CN111537250B - Environment simulation system and equipment with same - Google Patents
Environment simulation system and equipment with same Download PDFInfo
- Publication number
- CN111537250B CN111537250B CN201911425126.2A CN201911425126A CN111537250B CN 111537250 B CN111537250 B CN 111537250B CN 201911425126 A CN201911425126 A CN 201911425126A CN 111537250 B CN111537250 B CN 111537250B
- Authority
- CN
- China
- Prior art keywords
- rainfall
- temperature
- solar radiation
- tested
- simulation system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004088 simulation Methods 0.000 title claims abstract description 101
- 230000005855 radiation Effects 0.000 claims abstract description 222
- 239000012530 fluid Substances 0.000 claims abstract description 146
- 230000033228 biological regulation Effects 0.000 claims abstract description 43
- 230000007613 environmental effect Effects 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims description 173
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 116
- 230000001105 regulatory effect Effects 0.000 claims description 78
- 238000001514 detection method Methods 0.000 claims description 41
- 238000001556 precipitation Methods 0.000 claims description 29
- 238000004364 calculation method Methods 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 23
- 238000001228 spectrum Methods 0.000 claims description 20
- 230000033001 locomotion Effects 0.000 claims description 14
- 238000005315 distribution function Methods 0.000 claims description 12
- 230000001276 controlling effect Effects 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 11
- 238000013519 translation Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 abstract description 20
- 238000010248 power generation Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 11
- 238000009826 distribution Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000003028 elevating effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000003760 hair shine Effects 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- NCGICGYLBXGBGN-UHFFFAOYSA-N 3-morpholin-4-yl-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine;hydrochloride Chemical compound Cl.[N-]1OC(=N)C=[N+]1N1CCOCC1 NCGICGYLBXGBGN-UHFFFAOYSA-N 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention relates to the technical field of power generation, in particular to an environment simulation system and equipment with the same. An environmental simulation system includes: one end of the fluid channel is used for being connected with an environment inlet where the component to be tested is located, and the other end of the fluid channel is used for being connected with an environment outlet where the component to be tested is located and used for providing a circulating channel for fluid; the temperature adjusting device is arranged on the fluid channel; the solar radiation simulation device is arranged above the component to be tested and used for simulating the solar radiation environment of the component to be tested; the rainfall simulation device is arranged above the component to be tested and used for simulating the rainfall environment in which the component to be tested is located. Through setting up temperature regulation apparatus, solar radiation analogue means and rainfall analogue means, can simulate the multiple environment that the part that awaits measuring is located, build comparatively true operating environment for the part that awaits measuring from a plurality of directions, not only be subject to the restraint of ambient temperature for the test environment of part that awaits measuring can match with actual environment as far as possible.
Description
Technical Field
The invention relates to the technical field of power generation, in particular to an environment simulation system and equipment with the same.
Background
With the increasing of the capacity of a single machine of the generator set, the installation environment of the generator set becomes severer, and the thermal problems of the whole machine, subsystems and subcomponents become great challenges for the design and operation of the generator set. The wind generating set is taken as an example for explanation, in terms of the capacity of a single machine of the set, the capacity level of the single machine is developed to be higher than 8MW and 10MW, the heat production of the set per se reaches hundreds KW or MW level, and the huge heat consumption becomes the largest restriction factor for the temperature rise control of the whole machine, a subsystem and subcomponents; as for the operation environment of the machine assembly machine, the temperature environment of a high-temperature area exceeds 40 ℃, the temperature rise indexes of all subsystems and parts become key restriction factors for ensuring the operation of the machine set in the high-temperature environment.
The prior art discloses a thermal simulation system, which can simulate different environmental temperatures of a wind driven generator, thereby facilitating the testing of the performance of the wind driven generator at different environmental temperatures. The solar radiation part is a part which contributes to the heat load of the generator except for the heat generated by the generator, so that the influence of external solar radiation on the temperature of the equipment needs to be considered from the beginning of the design of the wind driven generator, and the wind driven generator has good environmental adaptability and reliability; due to the fact that the contribution degree of external solar radiation to the heat load of the wind driven generator is different at different geographical positions, different time periods and different time periods in a day, the influence of the temperature distribution of the whole wind driven generator is different. Meanwhile, the rainfall of the external environment has a certain influence on the heat dissipation of the generator, the external rainfall reduces the thermal resistance of the whole path of the heating outward transmission of the generator winding to some extent, different rainfall temperatures are corresponding to different seasons, and the influence of rainfall on the generator temperature is difficult to predict and calculate from a theoretical or empirical formula, so that the solar radiation and rainfall simulation is carried out while the thermal simulation is carried out on the wind driven generator, the performance of the wind driven generator is tested, and the problem to be solved is urgently needed in the design optimization of the wind driven generator.
Disclosure of Invention
Therefore, a primary object of the present invention is to provide an environmental simulation system and an apparatus having the same, which can simultaneously perform thermal simulation, solar radiation simulation and rainfall simulation on a wind turbine.
A first aspect of the present invention provides an environmental simulation system, comprising:
one end of the fluid channel is used for being connected with an environment inlet where the component to be tested is located, the other end of the fluid channel is used for being connected with an environment outlet where the component to be tested is located, and the fluid channel is used for providing a circulating channel for fluid;
the temperature adjusting device is arranged on the fluid channel and used for adjusting the temperature of the fluid;
the solar radiation simulation device is arranged above the component to be tested and used for simulating the solar radiation environment of the component to be tested;
and the rainfall simulation device is arranged above the component to be tested and used for simulating the rainfall environment in which the component to be tested is positioned.
Through setting up temperature regulation apparatus, can simulate the ambient temperature of the difference that the part that awaits measuring locates, because the heat load in the part actual work process that awaits measuring, not only can receive ambient temperature's influence, still there can be solar radiation, the influence of a large amount of other factors such as rainfall, through set up solar radiation analogue means and rainfall analogue means in the top of the part that awaits measuring, can simulate the multiple environment that the part that awaits measuring locates, construct comparatively real operational environment for the part that awaits measuring from a plurality of directions, not only be subject to ambient temperature's restraint, make the test environment of the part that awaits measuring can match with actual environment as far as possible, and then make the performance in the part that awaits measuring can better satisfy the in-service use.
The solar radiation simulation apparatus includes:
a first bracket for being assembled above the component to be tested;
and the at least one solar radiation mechanism is fixed on the first support and used for simulating the solar radiation environment of the component to be tested.
The first support is arranged above the component to be tested, the solar radiation mechanism is fixed on the first support, solar radiation environments of different geographic positions and different time periods where the component to be tested is located can be simulated, and therefore the performance of the wind-power component group to be tested under different solar radiation environments can be tested, the structure is simple, and assembly is facilitated.
The solar radiation mechanism includes:
a first body;
the first light source is arranged at the top of the first body;
and the at least one filter lens is arranged between the first light source and the component to be detected.
Through setting up solar radiation mechanism to including first light source and at least one filter lens, the top of first body is located to first light source, shines the part to be measured from the top of part to be measured, sets up at least one filter lens between part to be measured and first light source, can filter the light of first light source transmission for shine the light on the part to be measured and more matcing with real sunlight, the better environment of building the sunlight.
The filter lenses are multiple and are arranged below the first light source; further comprising:
the mixing portion is arranged at the bottom of the first body, is positioned below the filter lenses and is used for mixing light emitted by the filter lenses and transmitting the mixed light to the part to be tested.
Through setting up the filter lens into a plurality ofly, can filter out respectively a plurality of light of first light source to on transmitting the part to be measured after mixing each light, because real sunlight is the complex of multiple light, make the light of shining on the part to be measured close with real sunlight as far as possible, better environment of building the sunlight.
The plurality of filter lenses are sequentially arranged along the propagation direction of the light emitted by the first light source.
The plurality of filter lenses include an ultraviolet filter lens, a visible light filter lens, and an infrared filter lens.
Because the vast majority of the solar radiation spectrum is ultraviolet rays, visible light and infrared rays, the mixed light rays emitted by the first light source and irradiating the component to be measured are matched with sunlight more by arranging the plurality of filter lenses to comprise the ultraviolet filter lenses, the visible light filter lenses and the infrared filter lenses.
And selecting a plane vertical to the propagation direction of the light emitted by the first light source to make a section for the first body, and sequentially arranging the ultraviolet light filter lens, the visible light filter lens and the infrared light filter lens along the outward direction of the center of the section.
The first body is provided with a plane perpendicular to the propagation direction of light emitted by the first light source, and the plane is used as a cross section of the first body, and the ultraviolet light filter lens, the visible light filter lens and the infrared light filter lens are sequentially arranged along the outward direction of the center of the cross section.
The first body is of a cylindrical structure.
Through setting up first body into cylindric structure, the route of light in first body also is cylindric, more accords with the propagation path of real sunlight.
The solar radiation mechanism is a plurality of, and a plurality of solar radiation mechanism is mutually independent to be located on the first support.
Through setting up solar radiation mechanism into a plurality ofly, and a plurality of solar radiation mechanism mutually independent locate on the first support for each solar radiation mechanism can control alone in the course of the work, the maintenance in the later stage of being convenient for.
The solar radiation mechanism is a plurality of, and every two solar radiation mechanisms or every four solar radiation mechanisms are mutually connected and arranged on the first support in groups.
Through setting up solar radiation mechanism into a plurality ofly, and per two solar radiation mechanisms or per four solar radiation mechanism interconnect, locate on the first support in groups for each solar radiation mechanism can control in groups in the course of the work, and need not every solar radiation mechanism and all dispose the control box during earlier stage installation, makes overall structure simpler.
The first support is of a fan ring structure.
Through setting up first support as fan ring structure for solar radiation mechanism is wider in the scope of setting up on first support, except can sending the sunlight directly over the part to be measured, can also radiate the sunlight to the both sides of part to be measured, and is closer with real solar radiation environment.
The included angle between the first edge of the fan ring structure and the second edge of the fan ring structure is 150 degrees, and the included angle between the first edge of the fan ring structure and the horizontal plane is 15 degrees.
The included angle between the first edge and the second edge of the fan ring structure is set to be 150 degrees, and the included angle between the first edge of the fan ring structure and the horizontal plane is 15 degrees, so that the sunlight radiation range is greatly fit with the generation mechanism of real solar radiation.
The environment simulation system further includes:
and the lifting translation structure is fixedly connected with the first support and is used for driving the first support to do lifting motion or horizontal motion relative to the part to be tested.
Through setting up the lift translation structure with first support fixed connection, can drive first support and do elevating movement or horizontal direction motion relatively to the part to be measured for first support can the more models of adaptation and the part to be measured of size, has improved heat radiation analogue means's suitability.
The environment simulation system further includes:
and the ground radiation simulation device is arranged below the component to be tested and used for simulating the ground radiation environment where the component to be tested is located.
Set up ground radiation analogue means through the below at the part that awaits measuring, can simulate the ground radiation environment that the part that awaits measuring is located, because in the actual environment, the part that awaits measuring not only can receive the radiation of sun, still can receive the influence of ground radiation, consequently set up ground radiation analogue means, can make the environment that the part that awaits measuring is located more match with the actual environment.
The ground radiation simulation device comprises:
the second bracket is used for being assembled below the component to be tested;
and the ground radiation mechanism is fixed on the second support and used for simulating the ground radiation environment where the part to be tested is located.
Set up the third support through the below at the part to be measured, fixed ground radiation mechanism on the third support, can simulate the ground radiation environment that the part to be measured located, because in the part to be measured in-service use process, except that daytime solar radiation can exert an influence to its performance, still can receive ground radiation's influence at night, therefore, set up ground radiation mechanism in the below of part to be measured simultaneously, can simulate the solar radiation environment and the ground radiation environment of part to be measured simultaneously, be convenient for test the performance of part to be measured under two kinds of radiation environment.
The ground radiation mechanism comprises:
a second body;
the second light source is arranged at the end part of the second body, which is far away from the part to be detected;
and the infrared filter lens is arranged on one side of the second light source close to the part to be detected and used for transmitting the light emitted by the infrared filter lens to the part to be detected.
The ground radiation mechanism is arranged to comprise the second light source and the infrared filter lens, and the ground surface temperature is relatively low, so that the energy of ground radiation is mainly concentrated in an infrared area, the infrared filter lens is directly arranged on the ground radiation mechanism, real ground radiation can be simulated, and the structure is simple.
The second support is of a fan ring structure.
Through setting up the third support into the fan ring structure for ground radiation mechanism is wider in the scope of setting up on the third support, except radiating under the part to be measured, can also radiate the both sides of part to be measured, and is closer with real ground radiation environment.
The environment simulation system further includes:
the system comprises a first input module, a second input module and a control module, wherein the first input module is used for acquiring first input information, and the first input information comprises time and/or longitude and latitude and/or weather information;
the first controller comprises a first calculation module and a first control adjustment module; the first calculation module is connected with the first input module and is used for calculating and generating solar radiation intensity and/or ground radiation intensity according to the first input information; the first control and regulation module is connected with the first calculation module and is used for regulating the radiation intensity of a first light source of the solar radiation mechanism according to the solar radiation intensity; and/or adjusting the radiation intensity of the second light source of the ground radiation mechanism according to the ground radiation intensity.
The rainfall simulation device includes:
a third bracket for being assembled above the component to be tested;
and the rainfall mechanisms are fixed on the third support at intervals, are connected with a water source and simulate the rainfall environment where the component to be tested is located.
The third support is arranged above the part to be tested, the rainfall mechanism is fixed on the third support and connected with the water source, water at the water source can flow to the part to be tested through the rainfall mechanism, the rainfall environment where the part to be tested is located is simulated, the rainfall environment can be created for the part to be tested, the performance of the part to be tested under the rainfall environment is tested, and the performance of the part to be tested under the actual rainfall environment can be guaranteed.
The first support of the solar radiation simulation device is an installation support, the third support is the installation support, and the rainfall mechanism and the solar radiation mechanism are arranged on the installation support at intervals.
Through setting up first support and third support into same installing support, and rainfall mechanism and solar radiation mechanism set up at the interval on the installing support for when guaranteeing rainfall environment and solar radiation environment, make the overall structure of system compacter.
The rainfall mechanism includes:
the rainfall body is used for being connected with the water source;
the rainfall device comprises at least one cavity, a rainfall body and a plurality of rainfall through holes, wherein the rainfall through holes are formed in the bottom of the cavity and used for enabling water from a water source to pass through the cavity and fall onto a component to be tested.
Through setting up rainfall mechanism to include the rainfall body of being connected with the water source to set up at least one cavity on the rainfall body, and the bottom of cavity is equipped with a plurality of rainfall through-holes, can fall the similar rain footpath of water simulation and actual rainfall through the diameter of rainfall through-hole with the water of water source.
The rainfall mechanism at least comprises:
the bottom of the first cavity is provided with a first rainfall through hole; and/or the presence of a gas in the gas,
the second cavity is not communicated with the first cavity, a second rainfall through hole is formed in the bottom of the second cavity, and the diameter of the second rainfall through hole is smaller than that of the first rainfall through hole; and/or the presence of a gas in the gas,
the third cavity, the second cavity and the first cavity are not communicated with each other, a third rainfall through hole is formed in the bottom of the third cavity, and the diameter of the third rainfall through hole is smaller than that of the second rainfall through hole.
Through setting up rainfall mechanism to including first cavity, second cavity and the third cavity that each other communicates with each other, and the diameter of the rainfall through-hole of every cavity bottom is all inequality for the rain footpath of rainfall at every turn all includes the raindrop of big rain footpath, well rain footpath and little rain footpath, makes the rain that falls by rainfall mechanism more similar with actual rainfall.
And selecting a plane vertical to the rainfall direction to make a section for the rainfall body, and sequentially arranging the third cavity, the second cavity and the first cavity along the outward direction of the center of the section.
Because during actual rainfall, the raindrop proportion of the large rain path is smaller, the raindrop proportion of the medium rain path is larger, in order to set the proportion of the raindrops of each rain path, a plane perpendicular to the rainfall direction is selected to make a section for the rainfall body, a third cavity, a second cavity and a first cavity are sequentially arranged in the outward direction of the center of the section, the arrangement of the raindrop proportion of each rain path is convenient, and the structure is simpler.
The rainfall mechanism further includes:
and the flow adjusting device is arranged on the cavity and used for adjusting the flow of water flowing into the cavity.
The flow regulating device is arranged on the cavity, so that the flow of water entering the cavity can be regulated, and the rainfall of the rainfall mechanism is more in line with the rainfall of actual requirements.
The flow regulation device comprises at least two flow regulation structures which are arranged in a stacked mode, and each flow regulation structure comprises:
adjusting the body;
the adjusting through hole on one of the flow adjusting structures at least has a first state opposite to the adjacent adjusting through hole on the flow adjusting structure and a second state opposite to the adjacent adjusting body and the adjacent adjusting through hole on the flow adjusting structure at the same time.
Through the flow regulation structure with flow regulation device including range upon range of setting, the flow regulation structure is including adjusting the body and adjusting the through-hole, through with the structural adjusting the through-hole of one of them flow regulation with the structural adjusting the through-hole pair or with the structural adjusting the body and adjusting the through-hole of adjacent flow regulation simultaneously relative, can adjust by the rainfall of another flow regulation structure of a flow regulation structure flow direction, and then adjust the rainfall of every cavity, it is more convenient to adjust, the structure is simpler.
Flow control device has at least two, and each flow control device sets gradually along the rainfall direction, flow control structure still includes:
and the at least one circulation through hole is arranged on the adjusting body and is at least opposite to the adjusting through hole of the adjacent flow adjusting device.
Through setting up flow control device to at least two, and each flow control device sets gradually along the rainfall direction to set up the circulation through-hole on adjusting the body, make the rainfall to every flow control device more conveniently adjust, and can guarantee that the rainfall can circulate to another flow control device by a flow control device, adjust the rainfall again.
The flow regulating device has at least three, the circulation through-hole is at least opposite to the regulating through-hole and the circulation through-hole of the adjacent flow regulating device.
The number of the rainfall mechanisms is multiple;
the rainfall simulation device further comprises:
the main pipeline is arranged on the third bracket and is used for connecting the water source;
and the bypass pipelines are arranged on the third support and are respectively connected with the main pipeline and the rainfall mechanisms.
Through setting up rainfall mechanism into a plurality ofly, set up main line and bypass line on the support, can conveniently carry the water source to each rainfall mechanism, and every rainfall mechanism's control is more convenient.
The third support is of a fan ring structure.
Through setting up the support into fan ring structure for rainfall mechanism's range of setting on the support is wider, except carrying out the rainfall directly over the part to be measured, can also radiate the both sides of part to be measured, and is more close with real rainfall environment.
The water source comprises:
a water storage device;
and the water inlet of the fluid pipeline is communicated with the water storage device, and the water outlet of the fluid pipeline is communicated with the rainfall mechanism.
The water source further comprises:
and the heat exchanger is arranged on the fluid pipeline, and fluid in the fluid pipeline exchanges heat with the external atmosphere through the heat exchanger.
Through setting up the heat exchanger on the fluid pipeline, supply the rainfall mechanism with fluid again after passing through the heat exchanger and external atmosphere heat transfer, can adjust the temperature of the rainfall of rainfall mechanism to the temperature of demand for the rainfall more matches with actual rainfall.
The water source further comprises:
and the heating device is arranged on the fluid pipeline, is positioned between the heat exchanger and the rainfall mechanism and is used for heating the fluid in the fluid pipeline.
Through set up heating device on the fluid pipeline, when fluidic temperature is lower, can heat the fluid, then supply rainfall mechanism again, can adjust the temperature of rainfall mechanism to the temperature of demand for rainfall and actual rainfall more match.
The water source further comprises:
the temperature detection device is arranged on the fluid pipeline and is positioned between the heat exchanger and the rainfall mechanism;
and the second controller is connected with the temperature detection device and used for controlling the opening and closing of the heat exchanger and the heating device according to a difference value between a detection value and a preset value of the temperature detection device.
Through setting up temperature-detecting device and second controller, according to the difference automatically regulated heat exchanger and the switching of heating device between the detected value of temperature-detecting device and the default for temperature regulation is more automatic, and more in time.
The water source further comprises:
the three-way valve is arranged on the fluid pipeline and located between the water storage device and the heat exchanger, the three-way valve is connected with the second controller, and the second controller controls the three-way valve to further control the opening and closing of the heat exchanger.
Through setting up the three-way valve, can open the heat exchanger or close the heat exchanger as required for the regulative mode is simpler.
The water source further comprises:
and the flow regulating component is connected with the second controller, arranged on the fluid pipeline and positioned between the heat exchanger and the rainfall mechanism.
Through setting up flow regulator on the fluid circuit, can adjust the rainfall flow who gets into rainfall mechanism for rainfall more accords with actual demand, more matches with real rainfall environment.
The environment simulation system further includes:
the second input module is connected with the temperature detection device and used for acquiring second input information, wherein the second input information comprises time, longitude and latitude and detection values of the temperature detection device;
the second controller comprises a second calculation module and a second control adjustment module; the second calculation module is connected with the second input module and used for calculating required precipitation water temperature, precipitation water quantity and a raindrop spectrum distribution function according to the time and the longitude and latitude and calculating the proportion of the cavity flow at different raindrop diameters according to the raindrop spectrum distribution function;
the second control and regulation module is connected with the second calculation module and is used for generating a first temperature regulation signal when the temperature of the rainfall water is greater than the detection value of the temperature detection device and regulating the working state of the heat exchanger and/or the three-way valve and/or the heating device according to the first temperature regulation signal; when the temperature of the precipitation water is less than or equal to the detection value of the temperature detection device, generating a second temperature adjusting signal, and adjusting the working state of the heat exchanger and/or the three-way valve according to the second temperature adjusting signal; and/or the presence of a gas in the atmosphere,
the device is used for generating a first flow regulating signal according to the amount of the precipitation water and regulating the working state of the flow regulating component according to the first flow regulating signal; and/or the presence of a gas in the gas,
and the flow regulating device is used for generating a second flow regulating signal according to the precipitation water amount and the proportion and regulating the working state of the flow regulating device of the rainfall mechanism according to the second flow regulating signal.
The part to be tested is a generator.
In a second aspect, the invention provides a device with an environmental simulation system, which comprises a generator and the environmental simulation system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of a partial structure of an environmental simulation system according to the present invention;
fig. 2 is a schematic structural diagram of a solar radiation simulation device and a ground radiation simulation device in an embodiment of the present invention;
FIG. 3 is a distribution diagram of a solar radiation mechanism in an embodiment of the present invention;
FIG. 4 is a distribution diagram of a solar radiation mechanism in another embodiment of the present invention;
FIG. 5 is a distribution diagram of a solar radiation mechanism in another embodiment of the present invention;
FIG. 6 is a cross-sectional view of a solar radiation mechanism in an embodiment of the present invention;
FIG. 7 is a cross-sectional view of a solar radiation mechanism in an embodiment of the present invention;
FIG. 8 is a cross-sectional view of a ground radiation mechanism in an embodiment of the present invention;
FIG. 9 is a cross-sectional view of a ground radiation mechanism in an embodiment of the invention;
FIG. 10 is a control schematic of a solar radiation simulation apparatus and a ground radiation simulation apparatus in an embodiment of the present invention;
FIG. 11 is a schematic structural diagram of a rainfall simulation device in an embodiment of the present invention;
FIG. 12 is a distribution diagram of a rainfall mechanism in an embodiment of the present invention;
FIG. 13 is a cross-sectional view of a rain mechanism in an embodiment of the present invention;
FIG. 14 is a bottom view of a rain mechanism in an embodiment of the present invention;
FIG. 15 is a schematic diagram of a water source of a rainfall simulation device in an embodiment of the present invention;
FIG. 16 is a diagram illustrating a distribution function of a raindrop spectrum according to an embodiment of the present invention;
fig. 17 is a control schematic diagram of a rainfall simulation device in an embodiment of the present invention;
FIG. 18 is a schematic structural view of a temperature adjustment device in an embodiment of the present invention;
fig. 19 is a schematic view of solar radiation.
Description of reference numerals:
01-solar radiation simulation device; 02-a rainfall simulation device; 03-ground radiation simulation device; 04-a temperature regulating device; 05-a fluid channel; 06-a generator; 07-a cabin; 1-a first scaffold; 2-a solar radiation mechanism; 3-a first body; 4-a first light source; 5-a mixing section; 6-ultraviolet filter lens; 7-visible light filter lens; 8-infrared filter lens; 9-first side; 10-a second edge; 11-a second support; 12-ground radiation means; 13-a second body; 14-a second light source; 15-a delivery section; 16-a first support; 17-adjusting the stent; 18-a second seat; 19-temperature regulating room; 20-a first valve body; 21-a second valve body; 22-a bypass channel; 23-a fluid outlet; 24-a power assembly; 25-a first detection device; 26-a second temperature measuring component; 27-a fluid inlet; 28-a first temperature measurement component; 29-temperature-regulating power components; 30-a rainfall mechanism; 31-a rainfall body; 32-a first cavity; 33-a second cavity; 34-a third cavity; 35-a first rain through hole; 36-a second rain through hole; 37-third rain through hole; 38-adjusting through holes; 39-flow through holes; 40-a main pipeline; 41-a bypass line; 42-a water storage device; 43-fluid line; 44-a heat exchanger; 45-a heating device; 46-temperature detection means; 47-three-way valve; 48-variable frequency pump; 49-a pressure gauge; 50-degassing and pressure stabilizing device; 51-a filter; 52-first flow regulating device; 53-second flow regulating means; 54-third flow regulating means; 55-a first input module; 56-a first calculation module; 57-a first control and regulation module; 58-a second input module; 59-a second calculation module; 60-a second control and regulation module; 61-centralized water cooling system.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The embodiment provides an environment simulation system, and the environment simulation system is used for simulating a thermal environment where a part to be tested is located, such as an environment temperature, solar radiation and a rainfall environment, and simulating a test environment when the part to be tested is subjected to temperature rise test. In the embodiment of the present invention, a generator set is taken as an example for illustration, and other heat generating components are also applicable to the concept of the present invention. The part to be tested is a heating part of the wind generating set, such as a wind generator 06 or an engine room 07 of the wind generating set, of course, the wind generator 06 and the engine room 07 can be simultaneously used as the part to be tested, and the environment simulation system can be used for carrying out experiments outdoors, such as a wind power plant or other power generation plants, so that a test environment of a thermostatic chamber is not required to be built, the cost is saved, and the test is convenient; the wind driven generator 06 can also be used indoors or in a specific experimental place, and various environmental parameters of the wind driven generator 06 can be provided, so that the test performance of the wind driven generator 06 can be matched with the performance in actual use.
The specific components of the environment simulation system in this embodiment can be seen from fig. 1. An environmental simulation system for a wind turbine, comprising: a fluid channel 05, a temperature regulating device 04, a solar radiation simulation device 01, and a rainfall simulation device 02.
One end of the fluid channel 05 is connected with an air inlet of a cabin 07 of the wind driven generator 06, the other end of the fluid channel 05 is connected with an air outlet of the cabin 07 of the wind driven generator 06, and the fluid channel 05 is used for providing a circulation channel for fluid; the temperature adjusting device 04 is arranged on the fluid channel 05 and is used for adjusting the temperature of the fluid; the solar radiation simulation device 01 is arranged above the wind driven generator 06 and is used for simulating the solar radiation environment of the wind driven generator 06; and the rainfall simulation device 02 is arranged above the wind driven generator 06 and is used for simulating the rainfall environment in which the wind driven generator 06 is positioned.
Through setting up temperature regulation apparatus 04, can simulate the different ambient temperature that aerogenerator 06 is located, because the heat load in the actual working process of aerogenerator 06, not only can receive ambient temperature's influence, still there is solar radiation, the influence of a large amount of other factors such as rainfall, through setting up solar radiation analogue means 01 and rainfall analogue means 02 in aerogenerator 06's top, can simulate the multiple environment that aerogenerator 06 is located, establish comparatively real operational environment for aerogenerator 06 from a plurality of directions, not only be limited to the restraint of ambient temperature, make aerogenerator 06's test environment can match with actual environment as far as possible, and then make aerogenerator 06 can be better satisfy the performance in the in-service use.
As shown in fig. 2 to 7, the solar radiation simulation apparatus 01 in this embodiment includes a first frame 1 and a solar radiation mechanism 2. The first bracket 1 is used for being assembled above a generator 06 of a wind generating set; and the plurality of solar radiation mechanisms 2 are fixed on the first bracket 1 at intervals and used for simulating the solar radiation environment of the generator 06. Specifically, a plurality of solar radiation mechanisms 2 can be uniformly arranged on the first support 1, the overall size of the plurality of solar radiation mechanisms 2 is close to that of the first support 1, for convenience of assembly, a plurality of through holes can be arranged on the first support 1, and one solar radiation mechanism 2 is clamped in each through hole. Through setting up first support 1 in the top of generator 06, fixed solar radiation mechanism 2 on first support 1 can simulate the solar radiation environment of the different geographical position, different time quantums that generator 06 is located to test the performance of wind generating set under the solar radiation environment of difference, and the structure is simpler, the assembly of being convenient for. As an alternative embodiment, the plurality of solar radiation mechanisms 2 may be fixed to the first support 1 at intervals, and may be disposed non-uniformly. As an alternative embodiment, the solar radiation mechanism 2 may be provided as one unit and disposed at the center of the first frame 1, and in this case, the size of the solar radiation mechanism 2 may be set to be large and substantially close to the size of the first frame 1.
As shown in fig. 6, the solar radiation mechanism 2 in the present embodiment includes: a first body 3; the first light source 4 is arranged at the top of the first body 3; at least one filter lens is arranged between the first light source 4 and the generator 06. Through setting up solar radiation mechanism 2 to include first light source 4 and at least one filter lens, first light source 4 is located the top of first body 3, shines generator 06 from the top of generator 06, sets up at least one filter lens between generator 06 and first light source 4, can filter the light of first light source 4 transmission for shine the light on generator 06 and more match with real sunlight, better environment of building the sunlight.
Specifically, a plurality of filter lenses are arranged below the first light source 4; the solar radiation mechanism 2 further comprises a mixing part 5, which is arranged at the bottom of the first body 3, is positioned below the plurality of filter lenses, and is used for mixing the light emitted by the plurality of filter lenses and transmitting the mixed light to the generator 06. Through setting up the filter lens to a plurality ofly, can filter out a plurality of light of first light source 4 respectively to on transmitting generator 06 after mixing each light, because real sunlight is the compound of multiple light also, make the light that shines on generator 06 be close with real sunlight as far as possible, better environment of building the sunlight. As an alternative embodiment, the filter may be provided as one filter, for example, the filter corresponding to the light with the largest ratio in the solar radiation spectrum is selected, or the filter corresponding to other light in the solar radiation spectrum is also selected.
The plurality of filter lenses in the present embodiment are sequentially arranged along the propagation direction of the light emitted from the first light source 4. As an alternative embodiment, a plurality of filter lenses may be arranged in parallel on the same horizontal plane on the first body 3.
Since the vast majority of the energy in the solar radiation spectrum is ultraviolet, visible, and infrared, with ultraviolet (wavelength < 0.38 μm) accounting for about 7%, visible (wavelength range 0.38-0.78 μm) accounting for about 47%, and infrared (wavelength > 0.78 μm) accounting for about 46%, the plurality of filter lenses in this embodiment include an ultraviolet filter lens 6, a visible filter lens 7, and an infrared filter lens 8. By providing a plurality of filter lenses including the ultraviolet filter lens 6, the visible light filter lens 7, and the infrared filter lens 8, the mixed light of the light emitted from the first light source 4 and incident on the generator 06 is more matched with the sunlight.
As shown in fig. 7, a plane perpendicular to the propagation direction of the light emitted from the first light source 4 is selected as a cross section of the first body 3, an ultraviolet filter lens 6, a visible light filter lens 7, and an infrared filter lens 8 are sequentially disposed along the outward direction of the center of the cross section, and the cross section area ratio of the ultraviolet filter lens 6, the visible light filter lens 7, and the infrared filter lens 8 is 7: 47: 46. by making a cross section of the first body 3 with a plane perpendicular to the propagation direction of the light emitted from the first light source 4, and sequentially arranging the ultraviolet filter lens 6, the visible light filter lens 7, and the infrared filter lens 8 in the direction outward from the center of the cross section, the ratio of ultraviolet light, visible light, and infrared light is relatively small, so that the ratio of ultraviolet light, visible light, and infrared light is relatively convenient to set.
In order to better conform to the real sunlight propagation path, the first body 3 in this embodiment has a cylindrical structure. As an alternative embodiment, the first body 3 may have a rectangular parallelepiped structure, a square structure, or another structure.
As shown in fig. 3, a plurality of solar radiation mechanisms 2 in the present embodiment are independently provided on the first frame 1, and each solar radiation mechanism 2 is connected to a control line for controlling the operation thereof. Through setting up solar radiation mechanism 2 to a plurality ofly, and a plurality of solar radiation mechanism 2 locate first support 1 mutually independently for each solar radiation mechanism 2 can control alone in the course of the work, the maintenance of the later stage of being convenient for.
As an alternative embodiment, as shown in fig. 4 and 5, every two solar radiation mechanisms 2 or every four solar radiation mechanisms 2 or every three solar radiation mechanisms 2 or more solar radiation mechanisms 2 may be connected to each other and set on the first frame 1. Through setting up solar radiation mechanism 2 into a plurality ofly, and per two solar radiation mechanisms 2 or per four solar radiation mechanism 2 interconnect locate first support 1 in groups for each solar radiation mechanism 2 can be controlled in groups in the course of the work, and need not every solar radiation mechanism 2 and all dispose the control box when installing earlier stage, makes overall structure simpler.
The first support 1 in this embodiment is a fan-ring structure. Through setting up first support 1 into the fan ring structure for solar radiation mechanism 2 is wider in the scope of setting up on first support 1, except can sending out the sunlight directly over to generator 06, can also radiate the sunlight to generator 06's both sides, and is closer with real solar radiation environment.
Specifically, the angle between the first side 9 of the fan ring structure and the second side 10 of the fan ring structure is 150 °, and the angle between the first side 9 of the fan ring structure and the horizontal plane is 15 °. The included angle between the first edge 9 and the second edge 10 of the fan ring structure is set to be 150 degrees, and the included angle between the first edge 9 of the fan ring structure and the horizontal plane is 15 degrees, so that the sunlight radiation range is greatly attached to the generation mechanism of real solar radiation. As an alternative embodiment, the first side 9 and the second side 10 of the fan ring structure may be arranged at other angles.
As shown in fig. 1 and fig. 2, the environmental simulation system in this embodiment further includes a ground radiation simulation device 03, where the ground radiation simulation device 03 includes: a second bracket 11 for fitting under the generator 06; and the ground radiation mechanisms 12 are fixed on the second support 11 at intervals and used for simulating the ground radiation environment of the generator 06. Specifically, a plurality of ground radiation mechanisms 12 may be uniformly disposed on the second support 11, the overall size of the plurality of ground radiation mechanisms 12 is similar to the size of the second support 11, for convenience of assembly, a plurality of through holes may be disposed on the second support 11, and one ground radiation mechanism 12 is clamped in each through hole. Set up second support 11 through the below at generator 06, fixed ground radiation mechanism 12 on second support 11, can simulate the ground radiation environment that generator 06 is located, because in the electricity generation 06 in-service use process, except that the solar radiation on daytime can produce the influence to its performance, still can receive the influence of ground radiation at night, consequently, set up ground radiation mechanism 12 simultaneously in the below of generator 06, can simulate the solar radiation environment and the ground radiation environment of generator 06 simultaneously, be convenient for test the performance of generator 06 under two kinds of radiation environment. As an alternative embodiment, the plurality of ground radiation mechanisms 12 may be fixed to the second bracket 11 at intervals, or may be non-uniformly arranged. As an alternative embodiment, the ground radiation means 12 may be provided as one unit, and may be provided at the center of the second frame 11, in which case the size of the ground radiation means 12 may be set to be larger and substantially similar to the size of the second frame 11.
When the ground radiation mechanisms 12 are controlled, the same manner as the control of the solar radiation mechanisms 2 can be adopted, that is, a plurality of ground radiation mechanisms 12 are independently arranged on the second bracket 11, and each ground radiation mechanism 12 is connected with a control line for controlling the work thereof. As an alternative embodiment, every second or every fourth or every third or more solar radiation means 2 may be connected to each other and arranged in groups on the carrier.
Specifically, as shown in fig. 8, the ground radiation mechanism 12 in the present embodiment includes: a second body 13; the second light source 14 is arranged at the end part of the second body 13 far away from the generator 06; the infrared filter lens 8 is arranged on one side of the second light source 14 close to the generator 06; and a transmission part 15 provided between the infrared filter 8 and the power generator 06, for transmitting the light emitted from the infrared filter 8 to the power generator 06. By arranging the ground radiation means 12 to include the second light source 14 and the infrared filter 8, since the ground surface temperature is relatively low and the energy of the ground radiation is mainly concentrated in the infrared region, the infrared filter 8 is directly arranged on the ground radiation means 12, so that the structure is simple while the real ground radiation can be simulated. As an alternative embodiment, the transmission unit 15 may not be provided.
The first light source 4 and the second light source 14 in this embodiment are both halogen lamps. As an alternative embodiment, the first light source 4 and the second light source 14 may be both xenon lamps or LED lamps; alternatively, the first light source 4 and the second light source 14 are each a combination of any two of the above-described lamps.
In this embodiment, the second body 13 is a cylindrical structure, the second support 11 is a fan-ring structure, an included angle between the first edge 9 of the fan-ring structure and the second edge 10 of the fan-ring structure is 150 °, and an included angle between the first edge 9 of the fan-ring structure and a horizontal plane is 15 °. Through setting up second support 11 to the fan ring structure for ground radiation mechanism 12 is wider in the scope of setting up on second support 11, in addition radiate under the generator 06, can also radiate the both sides of generator 06, and is closer with real ground radiation environment, and the setting of the contained angle of first limit 9 and second limit 10 of fan ring structure also more accords with the production mechanism of real ground radiation. As an alternative embodiment, the second body 13 may have a rectangular parallelepiped structure, a square structure, or another structure.
As shown in fig. 1, the environment simulation system in this embodiment further includes: and the lifting translation structure is fixedly connected with the first support 1 and used for driving the first support 1 to do lifting motion or horizontal motion relative to the generator 06. Through setting up the lift translation structure with 1 fixed connection of first support, can drive first support 1 and make elevating movement or horizontal direction motion relative to generator 06 for first support 1 can the more models of adaptation and the generator 06 of size, has improved heat radiation analogue means's suitability.
The specific form of the lifting and translating structure is various, and as shown in fig. 1, the lifting and translating structure in this embodiment includes: the first support 16, the first support 16 is equipped with the concrete chute; one end of the adjusting bracket 17 is provided with a sliding rail which is matched with the sliding chute to slide, and the other end of the adjusting bracket is fixedly connected with the first bracket 1; the lifting electric cylinder is connected to the first support 16 in a sliding manner and is fixedly connected with the adjusting bracket 17, and the lifting electric cylinder can drive the adjusting bracket 17 to drive the first bracket 1 to do lifting motion; the horizontal migration formula's electronic jar, with adjust support 17 fixed connection, can drive and adjust support 17 and drive first support 1 and make the motion of horizontal direction. As an alternative embodiment, any other elevating/translating mechanism may be used as long as it can realize both the elevating movement and the horizontal movement.
The second bracket 11 in this embodiment is fixed below the generator 06 by a second mount 18. As an alternative embodiment, the elevation/translation structure may also be fixedly connected to the second support 11.
Because the scenes corresponding to factors such as different years, different days, different times, different longitudes and latitudes, different weather conditions and the like are different, the solar radiation intensity and the ground radiation intensity are also different, and in order to adapt to the simulation of various scenes, the environment simulation system in the embodiment further comprises: a first input module 55, configured to obtain input information, where the input information includes time, longitude and latitude, and weather information; a controller including a first calculation module 56 and a first control adjustment module 57; the first calculating module 56 is connected to the first input module 55, and is configured to calculate and generate solar radiation intensity and ground radiation intensity according to the input information; the first control and adjustment module 57 is connected to the first calculation module 56, and is configured to adjust the radiation intensity of the first light source 4 of the solar radiation mechanism 2 according to the solar radiation intensity, and adjust the radiation intensity of the second light source 14 of the ground radiation mechanism 12 according to the ground radiation intensity.
Specifically, as shown in fig. 10, the first input module 55 in this embodiment may be a host computer or a human-computer interface, such as a touch screen, and when in use, a user may input different years, different days, different hours, different minutes, different latitudes and longitudes, different weather information and different altitudes on the touch screen, then the first calculating module 56 may automatically calculate corresponding solar radiation intensity and ground radiation intensity, and send the solar radiation intensity and the ground radiation intensity to the first control and adjustment module 57, the first control and adjustment module 57 may adjust the radiation intensity of the first light source 4 to the solar radiation intensity according to the solar radiation intensity, and adjust the radiation intensity of the second light source 14 to the ground radiation intensity according to the ground radiation intensity, and then project the radiation on the surface of the power generator 06 through a filter lens to obtain a true radiation spectrum and intensity, of course, for the daytime working condition, two areas of the upper half circumference of solar radiation and the lower half circumference of ground radiation work simultaneously, and for the night working condition, only the lower half circumference area of ground radiation works.
As shown in fig. 19, the calculation of the solar radiation intensity G can be calculated with reference to the following formula:
G＝fdirSc Re cosθ
wherein S iscIs the solar radiation constant, Sc＝1367W/m2(ii) a θ represents the angle of incidence of the sun; f. ofdirRepresents the direct solar coefficient (0 ≦ f)dir≤1)；ReThe following formula can be used for calculation:
Re＝1.00011+0.034221cos(αd)+0.00128sin(αd)+0.000719cos(2αd)+0.000077sin(2αd)
θ＝90-θr
θr＝α+f(-90°≤θr≤90°)
α＝90-Z
Z＝cos-1{sin(Dc)sin(La)+cos(Dc)cos(La)cos(βh)}(0°≤Z≤99°)
Dc＝sin-1{sin(Oe)sin(Le)}
βh＝Lm-Ra(-180°≤βh≤180°)
Lm＝15tg+L0(0°≤Lm≤360°)
tg＝6.697375+0.0657098242te+UTC(0≤tg≤24)
te＝dj-51545
Oe＝23.439-(4×107)te
Le＝Lm+1.915sin(Am)+0.02sin(2Am)(0°≤Le≤360°)
Am＝357.528+0.9856te(0°≤Am≤360°)
Lm＝280.46+0.9856te(0°≤Lm≤360°)
wherein: t ishRepresents the number of hours; t ismRepresents the number of minutes; t istzRepresenting the number of time zones; y represents a certain year; dyIndicating a day of the year; l is a radical of an alcohol0Represents a regional geographic longitude; l isaRepresenting the geographic latitude of the region.
The ground radiation intensity can be calculated by using a calculation formula in the prior art, and redundant description is not repeated here.
As shown in fig. 11 to 16, the rainfall simulation device 02 in the present embodiment includes a third support and a rainfall mechanism 30. The third bracket is used for being assembled above the generator 06 of the wind generating set; a plurality of rainfall mechanisms 30 are fixed on the third support at intervals and are used for being connected with a water source and simulating the rainfall environment of the generator 06. The third support is arranged above the generator 06 of the wind generating set, the rainfall mechanism 30 is fixed on the third support, the rainfall mechanism 30 is connected with a water source, water at the water source can flow to the generator 06 through the rainfall mechanism 30, and the rainfall environment where the generator 06 is located is simulated, so that the rainfall environment can be created for the generator 06, the performance of the generator 06 in the rainfall environment is tested, and the performance of the generator 06 in the actual rainfall environment can be guaranteed. In an alternative embodiment, the rain mechanism 30 may be provided at the center of the third frame, and the size of the rain mechanism 30 may be set to be large and substantially similar to the size of the third frame.
As shown in fig. 12, in order to facilitate water supply to each rainfall mechanism 30, the rainfall simulation device 02 in this embodiment further includes: the main pipeline 40 is arranged on the third bracket and is used for connecting a water source; and a plurality of bypass pipelines 41 arranged on the third bracket and respectively connected with the main pipeline 40 and the plurality of rainfall mechanisms 30. Specifically, the main pipeline 40 in this embodiment is disposed in the middle of the third support, the bypass pipelines 41 extend from the middle to both sides, and the bypass pipelines 41 are respectively connected to the two rainfall mechanisms 30 on each side through hoses, and a quick-connect manner is adopted, so as to improve the operability of the pipelines. As an alternative embodiment, the main line 40 may be provided on one side of the third rack, and water may be sent to each rainfall mechanism 30 through the bypass line 41.
As shown in fig. 13 and 14, the rainfall mechanism 30 in the present embodiment includes: the rainfall body 31 is used for being connected with a water source; a plurality of cavitys are located on the rainfall body 31, and the bottom of cavity is equipped with a plurality of rainfall through-holes for on falling the water of water source to generator 06 through the cavity. Through setting up rainfall mechanism 30 to include the rainfall body 31 of being connected with the water source to set up a plurality of cavitys on rainfall body 31, and the bottom of cavity is equipped with a plurality of rainfall through-holes, can fall the similar rain footpath of water simulation and actual rainfall through the diameter of rainfall through-hole with the water source. As an alternative embodiment, it is also possible for the rain mechanism 30 to comprise only one chamber.
Depending on the geographical location of the region, a raindrop spectrum distribution curve for the region may be obtained, as shown in fig. 16. The raindrop spectrum distribution curves in different areas are different, but are generally in a normal distribution form, so that the simulation of the raindrop diameter D can be performed in a cavity dividing mode, for example, as shown in a raindrop spectrum distribution function diagram, the normal distribution curve can be divided into cavities, for example, D is less than 1 mm; d is more than or equal to 1mm and less than or equal to 4 mm; d is more than 4 mm. The rainfall mechanism 30 in this embodiment thus comprises: the first cavity 32, the bottom of the first cavity 32 is provided with a first rainfall through hole 35; the second cavity 33 is not communicated with the first cavity 32, a second rainfall through hole 36 is formed in the bottom of the second cavity 33, and the diameter of the second rainfall through hole 36 is smaller than that of the first rainfall through hole 35; the third cavity 34, the second cavity 33 and the first cavity 32 are not communicated with each other, a third rainfall through hole 37 is arranged at the bottom of the third cavity 34, and the diameter of the third rainfall through hole 37 is smaller than that of the second rainfall through hole 36. The rainfall mechanism 30 is arranged to comprise the first cavity 32, the second cavity 33 and the third cavity 34 which are not communicated with each other, and the diameters of the rainfall through holes at the bottom of each cavity are different, so that the rain diameter of each rainfall is different from the rain drops of the large rain diameter, the medium rain diameter and the small rain diameter, and the rain falling by the rainfall mechanism 30 is more similar to the actual rainfall. As an alternative embodiment, the rainfall mechanism 30 may include only one of the first chamber 32, the second chamber 33 and the third chamber 34, or any two of them, or the rainfall mechanism 30 may include more chambers.
Because in actual rainfall, according to the raindrop spectrum distribution curve, the raindrop proportion of the large rain path is smaller, and the raindrop proportion of the medium rain path is larger, in order to set the raindrop proportion of each rain path, a plane perpendicular to the rainfall direction is selected to make a section for the rainfall body 31, and the third cavity 34, the second cavity 33 and the first cavity 32 are sequentially arranged along the outward direction of the center of the section, so that the arrangement of the raindrop proportion of each rain path is convenient, and the structure is simpler. Specifically, the rainfall mechanism 30 in this embodiment is a cylindrical structure, and a third cavity 34, a second cavity 33 and a first cavity 32 are sequentially arranged from a center line of the cylindrical structure to the outside along the radial direction.
The corresponding proportion of each sub-compartment can be calculated by an integral method according to the distribution function of the raindrop spectrum, and the corresponding flow rate of each sub-compartment can be calculated by combining the total rainfall, so that in order to control the flow rate of water entering each cavity and make the rainfall of the rainfall mechanism 30 more meet the actual demand, the rainfall mechanism 30 in this embodiment further includes three flow rate adjusting devices, which respectively correspond to the first cavity 32, the second cavity 33 and the third cavity 34 and are used for adjusting the flow rate of water flowing into each cavity. As an alternative embodiment, the flow regulating device can also be specifically configured according to the number of chambers.
Specifically, as shown in fig. 13, the flow rate adjusting device in the present embodiment includes two flow rate adjusting structures arranged in a stack, and the flow rate adjusting structure includes: adjusting the body; the adjusting through holes 38 are arranged on the adjusting body, at least two of the adjusting through holes 38 are different in aperture size in the adjusting through holes 38, the adjusting through hole 38 on one of the flow adjusting structures at least has a first state opposite to the adjusting through hole 38 on the adjacent flow adjusting structure and a second state opposite to the adjusting body and the adjusting through hole 38 on the adjacent flow adjusting structure at the same time, wherein the flow adjusting structures can be completely stacked or partially stacked and connected through a third support, and the flow adjusting structures can rotate relatively to each other to realize the conversion of the first state or the second state. Through the flow regulation structure with flow regulation device including range upon range of setting, flow regulation structure is including adjusting the body and adjusting through hole 38, through with the structural adjusting through hole 38 of one of them flow regulation and the structural adjusting through hole 38 of adjacent flow regulation to or with the structural adjusting body of adjacent flow regulation and adjusting through hole 38 simultaneously relative, can adjust the rainfall of flowing to another flow regulation structure by a flow regulation structure, and then adjust the rainfall of every cavity, it is more convenient to adjust, the structure is fairly simple. As an alternative embodiment, the flow rate control device may include a plurality of flow rate control structures arranged in a stack. As an alternative embodiment, the adjusting passage 38 may be provided as one or more. As an alternative embodiment, the first state and the second state may be switched by relative sliding between the flow rate adjustment structures. As an alternative embodiment, the adjustment through holes 38 may have the same diameter.
The flow regulation device in this embodiment has threely, and each flow regulation device sets gradually along the rainfall direction, and the flow regulation structure still includes: a through-flow opening 39, which is arranged in the shape of a ring, is provided at the edge of the regulating body, opposite the regulating through-flow opening 38 and the through-flow opening 39 of the adjacent flow regulating device. Through setting up flow control device to three, and each flow control device sets gradually along the rainfall direction to set up circulation through-hole 39 on adjusting the body, make to the rainfall ratio of every flow control device conveniently adjust, and can guarantee that the rainfall can circulate to another flow control device by a flow control device, adjust the rainfall again. As an alternative embodiment, a plurality of flow through holes 39 may be provided. As an alternative embodiment, the individual flow-rate control devices may be arranged in parallel in a direction perpendicular to the direction of rainfall. As an alternative embodiment, two flow rate control devices may be provided, and the flow through hole 39 of the upper flow rate control device may be opposed to the control through hole 38 of the lower flow rate control device.
Specifically, the flow rate adjusting device in the present embodiment includes a first flow rate adjusting device 52 disposed on the first cavity 32; a second flow regulating device 53 provided on the second cavity 33; and a third flow rate adjustment device 54 provided in the third chamber 34. Wherein, the third flow regulating device 54 is disposed at the top, and regulates the rainfall flowing into the third cavity 34 through the porosity between the regulating through holes 38 of the upper and lower flow regulating structures; the second flow regulating device 53 is arranged in the middle, the through hole 39 of the third flow regulating device 54 is arranged opposite to the regulating through hole 38 and the through hole 39 of the second flow regulating device 53, and the rainfall flowing into the second cavity 33 is regulated through the porosity between the regulating through holes 38 of the upper and lower flow regulating structures; the first flow rate adjusting means 52 is provided at the lowermost portion, the flow through hole 39 of the second flow rate adjusting means 53 is disposed opposite to the adjusting through hole 38 and the flow through hole 39 of the first flow rate adjusting means 52, and the amount of rain flowing into the first chamber 32 is adjusted by the porosity between the adjusting through holes 38 of the upper and lower flow rate adjusting structures. The porosity between the regulating through holes 38 of the particular up and down flow regulating structure can be regulated by: as with the upper flow regulating structure, the regulating through-hole 38 is diametrically opposed to the regulating through-hole 38 of the lower flow regulating structure (i.e., the first state), at which the flow rate is at a maximum; or, the adjusting through hole 38 of the upper flow rate adjusting structure is simultaneously opposite to the adjusting through hole 38 of the lower flow rate adjusting structure and the adjusting body (i.e. the second state), and at this time, because the adjusting through hole 38 of the upper flow rate adjusting structure is partially shielded by the adjusting body, the flow rate at this time is smaller than that in the first state; or, the adjusting through hole 38 of the upper flow adjusting structure is opposite to the adjusting body of the lower flow adjusting structure, and at this time, since the adjusting through hole 38 of the upper flow adjusting structure is completely shielded by the adjusting body, there is no flow.
As shown in fig. 11, the third support in this embodiment is a fan ring structure, specifically, an included angle between the first side of the fan ring structure and the second side of the fan ring structure is 150 °, and an included angle between the first side of the fan ring structure and the horizontal plane is 15 °. Through setting up the third support into fan ring structure for rainfall mechanism 30 is wider in the scope of setting up on the third support, except carrying out the rainfall directly over generator 06, can also radiate generator 06's both sides, is closer with real rainfall environment. As an alternative embodiment, the first side and the second side of the fan ring structure may be set at other angles.
The water source in this embodiment is a centralized water cooling system 61 of the wind turbine generator system, as shown in fig. 15, including: a water storage device 42; a fluid pipeline 43, wherein the water inlet of the fluid pipeline 43 is communicated with the water storage device 42, and the water outlet of the fluid pipeline 43 is communicated with the rainfall mechanism 30. By adopting the centralized water cooling system 61 of the wind generating set as the water source, the water source is provided for the rainfall mechanism 30 while providing water sources for other parts, so that the structure of the whole system is compact, the water source special for the rainfall mechanism 30 is not required to be independently arranged, and the cost is reduced. Alternatively, the water source may be another type of structure or a water source dedicated to the rainfall mechanism 30.
Because there is certain temperature during the actual rainfall, in order to match with the actual rainfall more, the centralized water cooling system 61 in this embodiment further includes: the heat exchanger 44 is arranged on the fluid pipeline 43, and fluid in the fluid pipeline 43 exchanges heat with the external atmosphere through the heat exchanger 44; and the heating device 45 is arranged on the fluid pipeline 43 and positioned between the heat exchanger 44 and the rainfall mechanism 30 and is used for heating the fluid in the fluid pipeline 43. By arranging the heat exchanger 44 on the fluid pipeline 43, the fluid is supplied to the rainfall mechanism 30 after being subjected to heat exchange with the outside atmosphere through the heat exchanger 44, and the temperature of rainfall of the rainfall mechanism 30 can be adjusted to a required temperature, so that the rainfall is more matched with actual rainfall. By arranging the heating device 45 on the fluid pipeline 43, when the temperature of the fluid is low, the fluid can be heated and then supplied to the rainfall mechanism 30, and the temperature of rainfall of the rainfall mechanism 30 can be adjusted to a required temperature, so that the rainfall is more matched with actual rainfall. The heat exchanger 44 in this embodiment may be a cooling tower, an air-water plate heat exchanger 44, etc., which realizes the transfer of heat inside the system to the external environment, and is not limited in particular. As an alternative embodiment, the heat exchanger 44 may not be provided.
In order to make the temperature adjustment more automatic and timely, the centralized water cooling system 61 in this embodiment further includes: the temperature detection device 46 is arranged on the fluid pipeline 43 and is positioned between the heat exchanger 44 and the rainfall mechanism 30; and the second controller is connected with the temperature detection device 46 and is used for controlling the opening and closing of the heat exchanger 44 and the heating device 45 according to the difference value between the detection value of the temperature detection device 46 and the preset value.
For the opening and closing of the second controller, the concentrated water cooling system 61 in the present embodiment further includes: and a three-way valve 47 provided on the fluid line 43 and located between the water storage device 42 and the heat exchanger 44, the three-way valve 47 being connected to a second controller, and the second controller controlling the three-way valve 47 to control the opening and closing of the heat exchanger 44. By arranging the three-way valve 47, the heat exchanger 44 can be opened or the heat exchanger 44 can be closed as required, that is, whether the fluid in the water storage device 42 passes through the heat exchanger 44 for heat exchange or not is controlled by the on-off of each path of the three-way valve 47, and then the fluid is led to the rainfall mechanism 30, so that the adjustment mode is simpler. The opening and closing of the heating device 45 may be controlled by the second controller directly whether or not the heating member of the heating device 45 is energized.
In order to adjust the rain flow entering the rainfall mechanism 30, so that the rain flow is more suitable for the actual demand and is more matched with the real rainfall environment, the centralized water cooling system 61 in this embodiment further includes a flow adjusting component, which is arranged on the fluid pipeline 43 and between the heat exchanger 44 and the rainfall mechanism 30. Specifically, the flow rate adjusting component in this embodiment is the variable frequency pump 48, and can provide power for the centralized water cooling system 61 while adjusting the flow rate. As an alternative embodiment, the flow rate adjustment means may be a flow rate adjustment valve.
According to the precipitation intensity classification standard, the centralized water cooling system 61 in the embodiment can meet the simulation of the environment of light rain, gust rain, medium rain, heavy rain and extra heavy rain, and the total precipitation in 24 hours can meet the requirement of more than 250 mm. In order to make the system operate more smoothly, the centralized water cooling system 61 in the embodiment further comprises a pressure measuring instrument 49 and a degassing and pressure stabilizing device 50; in order to ensure the water quality in the system, the centralized water cooling system 61 in the present embodiment further includes a filter 51.
As shown in fig. 17, since the environmental temperatures in different seasons and different times are different, and the actual rainfall water temperature is also different, in this embodiment, the precise control of the water temperature is realized through the system control itself, and the environmental simulation system in this embodiment further includes: the second input module 58 is connected with the temperature detection device 46 and used for acquiring input information, wherein the input information comprises time, longitude and latitude and detection values of the temperature detection device 46; the controller includes a second calculation module 59 and a second control adjustment module 60; the second calculating module 59 is connected with the second input module 58 and is used for calculating the required precipitation water temperature, precipitation water amount and raindrop spectrum distribution function according to time and longitude and latitude and calculating the proportion of the cavity flow at different raindrop diameters according to the raindrop spectrum distribution function; the second control and regulation module 60 is connected with the second calculation module 59 and is used for generating a first temperature regulation signal when the temperature of the precipitation water is greater than the detection value of the temperature detection device 46 and regulating the working state of the heat exchanger 44 and/or the three-way valve 47 and/or the heating device 45 according to the first temperature regulation signal; when the temperature of the precipitation water is less than or equal to the detection value of the temperature detection device 46, generating a second temperature adjusting signal, and adjusting the working state of the heat exchanger 44 and/or the three-way valve 47 according to the second temperature adjusting signal; and/or, the first flow regulating component is used for generating a first flow regulating signal according to the amount of the precipitation water and regulating the working state of the flow regulating component according to the first flow regulating signal; and/or the controller is used for generating a second flow regulating signal according to the precipitation water amount and the proportion and regulating the working state of the flow regulating device according to the second flow regulating signal.
The second input module 58 may be an upper computer or a human-computer interaction interface, such as a touch screen, and the user inputs time, longitude and latitude through the touch screen, where the time specifically includes season, day, hour, minute, and the like, and the longitude and latitude correspond to different areas, so that the rainfall simulation system can simulate scenes corresponding to factors such as different areas and different times, and then send the scenes to the second calculation module 59 of the controller, and the calculation module may be a computer program or the like, and obtains precipitation water temperature, precipitation water volume, and a distribution function of a raindrop spectrum in different areas and different times to be simulated through internal calculation, and calculates the proportion of cavity flow at different raindrop diameters according to the distribution function of the raindrop spectrum.
Specifically, for the control of the temperature of the precipitation water, for example, when the temperature T of the precipitation water is greater than the detection value T of the temperature detection device 46, the second control and adjustment module 60 generates a first temperature adjustment signal, and at this time, the centralized water cooling system 6133 adjusts the operating power of the heat exchanger 44; or the flow path from the three-way valve 47 to the heat exchanger 44 is closed, and the fluid does not pass through the heat exchanger 44; or the heating device 45 is started and the like to realize the matching of the water supply temperature and the rainfall water temperature; when the temperature T of the rainfall water is less than or equal to the detection value T of the temperature detection device 46, the second control and adjustment module 60 generates a second temperature adjustment signal, and at this time, the centralized water cooling system 6133 opens the flow path from the three-way valve 47 to the heat exchanger 44, or adjusts the operating power of the heat exchanger 44 to realize the matching of the water supply temperature and the rainfall water temperature. Of course, when the second control and adjustment module 60 generates the first temperature adjustment signal, the second control and adjustment module 60 may also control any two or three of the heat exchanger 44, the three-way valve 47 and the heating device 45 at the same time; the second control and regulation module 60 may also control the heat exchanger 44 and the three-way valve 47 simultaneously when the second control and regulation module 60 generates the second temperature regulation signal.
For controlling the amount of precipitation, the second control and adjustment module 60 generates a first flow adjustment signal according to the amount of precipitation, adjusts the operating frequency of the variable frequency pump 48 according to the first flow adjustment signal, further adjusts the fluid flow in the fluid pipeline 43 to the desired amount of precipitation, and then generates a second flow adjustment signal according to the amount of precipitation and the proportion of the cavity flows at different diameters of raindrops calculated by the raindrop spectrum distribution function in an integral manner, that is, the corresponding flow of each cavity can be calculated by combining the desired amount of precipitation and the proportion, since each cavity corresponds to one flow adjustment device, the second control and adjustment module 60 can adjust the operating state of the first flow adjustment device 52 according to the second flow adjustment signal to adjust the flow entering the first cavity 32, and adjust the operating state of the second flow adjustment device 53 to adjust the flow entering the second cavity 33, the third flow regulating device 54 is adjusted to adjust the operating state thereof to regulate the flow entering the third chamber 34, i.e., the rainfall flowing into each chamber is regulated by adjusting the porosity between the regulating through holes 38 of the upper and lower flow regulating structures. Of course, when controlling the amount of the precipitation water, the second control and adjustment module 60 may adjust the operating frequency of the variable frequency pump 48 only according to the first flow rate adjustment signal, or may adjust the operating state of each flow rate adjustment device only according to the second flow rate adjustment signal.
There are many specific forms of the temperature adjustment device 04, and the temperature adjustment device 04 in the present embodiment, as shown in fig. 18, includes: and a temperature-controlled chamber 19 provided in the fluid passage 05 for controlling the temperature of the fluid in the temperature-controlled chamber 19. In this embodiment, the temperature adjusting chamber 19 can adjust the temperature of the fluid in the fluid passage 05, and the wind turbine generator 06 using the fluid as air is taken as an example to be described, one end of the fluid passage 05 is connected to the fluid inlet 27, the other end is connected to the fluid outlet 23, the temperature adjusting chamber 19 is provided in the fluid passage 05, the exhaust gas of the generator 06 is introduced into the temperature adjusting chamber 19 through the fluid passage 05, and the temperature adjusting chamber 19 adjusts the temperature of the fluid discharged from the generator 06 to a desired temperature. And is conveyed to the wind driven generator 06 for heat exchange through the fluid channel 05.
In order to ensure the accuracy of temperature regulation of the fluid and grasp the heat generation condition of the measured object at any time, in this embodiment, the thermal simulation system may further include: and the first temperature measuring assembly 28 is arranged between the fluid inlet 27 and the temperature adjusting chamber 19 and is used for acquiring a first temperature value of the fluid entering the measured component. And the second temperature measuring component 26 is arranged between the fluid outlet and the temperature adjusting chamber 19 and is used for acquiring a second temperature value of the fluid output by the wind driven generator 06. In this embodiment, the first temperature measuring component 28 may be disposed at the fluid inlet 27, collect a first temperature value of the fluid entering the wind turbine 06, monitor the simulated environmental temperature of the wind turbine 06 at any time, feed back the temperature of the fluid entering the wind turbine 06 to the temperature adjusting device 04, and adjust the temperature of the fluid by the temperature adjusting device 04 more accurately according to the fed back temperature value. Further, the heat generation amount of the wind driven generator 06 can be calculated according to the temperature of the fluid measured by the first temperature measuring component 28 and the temperature measured by the second temperature measuring component 26, so as to better grasp the working temperature rise condition and the heat generation condition of the wind driven generator 06 in different temperature environments.
To ensure smooth fluid circulation in the fluid channel 05, the thermal simulation system may further include: and a power assembly 24 disposed within the fluid passage 05 for providing power for fluid transfer. Specifically, taking fluid as air for illustration, when the generator 06 is actually operated, the temperature of the cooling air is increased through the winding, the temperature of the cooled air discharged from the wind driven generator 06 is high (about 60 ℃), and in order to simulate the extreme high-temperature working condition (45 ℃ -55 ℃) of the generator 06, the high-temperature air discharged from the fluid outlet 23 of the wind driven generator 06 is fully utilized, the temperature of the discharged air is controlled and adjusted, and different environmental temperatures in the use of the generator 06 are simulated, so that the performance test of the generator 06 in various environmental temperatures can be performed. The power assembly 24 may further include a temperature adjustment power component 29 disposed in the temperature adjustment chamber 19 and configured to provide power for adjusting the temperature of the fluid in the temperature adjustment chamber 19, and the temperature adjustment power component 29 disposed in the temperature adjustment chamber 19 may be a wind mixing fan, so that not only the high-temperature air discharged from the air outlet of the cabin 07 of the wind turbine 06 can be introduced into the temperature adjustment chamber 19, but also the introduced external fluid can be sufficiently mixed with the high-temperature air discharged from the fluid outlet 23 of the wind turbine 06, thereby obtaining air at a certain temperature.
The temperature adjustment device 04 may further include: and the first valve body 20 is arranged on the temperature adjusting chamber 19, and controls the external fluid to enter the temperature adjusting chamber 19 according to the temperature adjusting opening of the fluid entering the wind driven generator 06 and mix with the fluid in the temperature adjusting chamber 19. In the embodiment of the present invention, when the fluid is a gaseous medium such as air, the first valve body 20 may be an air valve, and when the fluid is a liquid medium such as water, the first valve body 20 may be a liquid valve. The opening degree of the first valve body 20 can be adjusted, and the specific opening degree of the first valve body 20 can be adjusted according to the feedback of the first temperature value of the fluid entering the wind driven generator 06, which is measured by the first temperature measuring component 28, or can also be adjusted according to the temperature of the fluid in the temperature adjusting chamber 19, or can also be adjusted according to the temperature difference between the first temperature value of the fluid entering the wind driven generator 06 and the second temperature value of the fluid output from the wind driven generator 06. The specific adjusting mode can generate different voltages according to different feedback temperatures, and further control the first valve body 20 to perform rough adjustment, for example, after a feedback temperature value exceeds a preset value, a high level is correspondingly generated, so that the first valve body 20 is fully opened, and when the feedback temperature value is smaller than the preset value, a low level is correspondingly generated, so that the first valve body 20 is half opened. In order to improve the accuracy of temperature control, the opening degree of the first valve body 20 may be controlled by a controller, and specifically, the controller may execute an algorithm by a processor according to the received feedback temperature value to control the first valve body 20 to execute a corresponding opening degree.
Since the first valve body 20 introduces the fluid from the outside into the fluid passage 05 to increase the amount of the fluid, in order to ensure that the total amount of the fluid is stable, the second valve body 21 is required to discharge the fluid in the fluid passage 05 to the outside to maintain the balance of the total amount of the fluid in the fluid passage 05. The second valve body 21 may be arranged on the fluid passage 05 between the fluid outlet 23 and the tempering chamber 19. After the fluid is discharged by the wind power generator 06, a corresponding amount of fluid may be discharged before entering the temperature-controlled chamber 19, depending on the amount of the first valve body 20 introduced.
The temperature adjustment device 04 may further include: the bypass passage 22 is provided in the fluid passage 05 in parallel with the temperature control chamber 19, and the bypass passage 22 can control the temperature of the fluid. The bypass passage 22 is connected in parallel with the temperature adjusting chamber 19, and when the bypass passage 22 is opened, part of the fluid is not subjected to temperature adjustment by the temperature adjusting chamber 19, and is combined with the fluid subjected to temperature adjustment by the temperature adjusting chamber 19 and then is fed into the fluid inlet 27. The fluid can be tempered more accurately by the bypass channel 22 in cooperation with the tempering chamber 19. Specifically, the temperature difference between the fluid entering the wind driven generator 06 and the fluid output from the wind driven generator 06 can be fed back to the bypass passage 22 and the first valve body 20, the first valve body 20 is used for introducing the external fluid, the fluid passing through the bypass passage 22 does not pass through the temperature adjustment chamber 19 for temperature adjustment, and the temperature of the fluid entering the fluid inlet 27 can be accurately adjusted through the cooperation of the first valve body 20, the temperature adjustment chamber 19 and the opening degree of the bypass passage 22.
To ensure that the flow rate of the fluid in the fluid channel 05 is stable, a flow rate detection device 25 may be disposed at the fluid outlet 23 of the wind power generator 06, and the flow rate detection device 25 may detect the flow rate of the fluid output by the wind power generator 06.
In this embodiment, the temperature adjustment device 04 may be used to test the heat generating component, the temperature adjustment device 04 in the above embodiment may be installed on the heat generating component of the generator set to simulate the operating environment of the generator set, for example, the temperature adjustment device may be installed on the generator 06, the generator 06 may include an air-cooled generator, various environments of the generator set may be simulated by controlling the temperature of the heat exchange medium in the temperature adjustment device 04, and the limit temperature of the generator set may also be simulated to perform a thermal test on the generator set, in this embodiment, the thermal test may include temperature rise tests of the heat generating component of the generator set at different environmental temperatures, may include tests of the operating conditions of the heat generating component of the generator set at different temperature environments, and may also include tests of the operating conditions of the generator set at the limit temperature (45 ℃ -55 ℃), thermal testing of various heat-generating components, including gensets, can be accomplished using the thermal simulation system of the above embodiments.
The embodiment also provides equipment with an environment simulation system, which comprises the power generator 06 and the environment simulation system.
The equipment with environment simulation system in this embodiment, including temperature regulation apparatus 04, solar radiation analogue means 01, rainfall analogue means 02 and ground radiation analogue means 03, can work alone or simultaneous working between a plurality of devices, built comparatively real operational environment for generator 06 from a plurality of dimensions, and do not receive the constraint of laboratory ambient temperature and the external different ambient temperature in the four seasons of a year for generator 06's test performance can more with the performance phase-match in the in-service use.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (23)
1. An environmental simulation system, comprising:
the fluid channel (05) is used for connecting one end of the fluid channel with an environment inlet where the component to be tested is located, the other end of the fluid channel is used for connecting with an environment outlet where the component to be tested is located, and the fluid channel (05) is used for providing a circulating channel for fluid;
a temperature adjustment device (04) provided on the fluid passage (05) for adjusting the temperature of the fluid;
the solar radiation simulation device (01) is arranged above the component to be tested and used for simulating the solar radiation environment of the component to be tested;
the rainfall simulation device (02) is arranged above the component to be tested and used for simulating the rainfall environment of the component to be tested;
the solar radiation simulation apparatus (01) includes:
a first support (1) for fitting over the component to be tested;
at least one solar radiation mechanism (2) fixed on the first support (1) and used for simulating the solar radiation environment where the component to be tested is located, wherein the solar radiation mechanism (2) comprises:
a first body (3);
the first light source (4) is arranged at the top of the first body (3);
a plurality of filter lens are located first light source (4) with between the part that awaits measuring, a plurality of filter lens include ultraviolet ray filter lens (6), visible light filter lens (7) and infrared ray filter lens (8), select with the plane of the direction of propagation vertically of the light that first light source (4) sent is right first body (3) are done the cross-section, follow the outside direction in center on cross-section has set gradually ultraviolet ray filter lens (6), visible light filter lens (7) and infrared ray filter lens (8).
2. The environmental simulation system of claim 1, further comprising:
the mixing part (5) is arranged at the bottom of the first body (3) and located below the filter lenses and used for mixing light emitted by the filter lenses and transmitting the mixed light to the part to be tested.
3. The environment simulation system according to claim 2, characterized in that a plurality of said filter lenses are arranged in succession along the direction of propagation of the light emitted by said first light source (4).
4. The environmental simulation system according to claim 1, wherein the solar radiation mechanism (2) is plural, and the plural solar radiation mechanisms (2) are provided on the first support (1) independently of each other; or, the number of the solar radiation mechanisms (2) is multiple, and every two solar radiation mechanisms (2) or every four solar radiation mechanisms (2) are connected with each other and arranged on the first support (1) in groups.
5. The environmental simulation system according to claim 1, wherein the first support (1) is a fan ring structure, the angle between the first side (9) of the fan ring structure and the second side (10) of the fan ring structure being 150 °, and the angle between the first side (9) of the fan ring structure and the horizontal plane being 15 °.
6. The environmental simulation system of claim 1, further comprising:
and the lifting translation structure is fixedly connected with the first support (1) and is used for driving the first support (1) to do lifting motion or horizontal motion relative to the part to be tested.
7. The environmental simulation system of any one of claims 1-6, further comprising:
and the ground radiation simulation device (03) is arranged below the component to be tested and is used for simulating the ground radiation environment of the component to be tested.
8. The environmental simulation system according to claim 7, characterized in that the ground radiation simulation means (03) comprise:
a second bracket (11) for fitting under the component to be tested;
and the ground radiation mechanism (12) is fixed on the second support (11) and is used for simulating the ground radiation environment of the component to be tested.
9. The environmental simulation system according to claim 8, wherein the ground radiation mechanism (12) comprises:
a second body (13);
the second light source (14) is arranged at the end part of the second body (13) far away from the part to be measured;
and the infrared filter lens (8) is arranged on one side of the second light source (14) close to the part to be detected and used for transmitting the light emitted by the infrared filter lens (8) to the part to be detected.
10. The environmental simulation system of claim 9, further comprising:
the first input module (55) is used for acquiring first input information, and the first input information comprises time and/or longitude and latitude and/or weather information;
a first controller comprising a first calculation module (56) and a first control adjustment module (57); the first calculating module (56) is connected with the first input module (55) and is used for calculating and generating solar radiation intensity and/or ground radiation intensity according to the first input information; the first control and regulation module (57) is connected with the first calculation module (56) and is used for regulating the radiation intensity of the first light source (4) of the solar radiation mechanism (2) according to the solar radiation intensity; and/or adjusting the radiation intensity of a second light source (14) of the ground radiation mechanism (12) according to the ground radiation intensity.
11. The environmental simulation system according to any one of claims 1 to 6, wherein the rainfall simulation device (02) includes:
a third bracket for being assembled above the component to be tested;
and the rainfall mechanisms (30) are fixed on the third support at intervals, are connected with a water source and simulate the rainfall environment where the component to be tested is located.
12. The environmental simulation system according to claim 11, characterized in that the rainfall mechanism (30) comprises:
a rain body (31) for connection with the water source;
the rainfall device comprises at least one cavity, wherein the cavity is arranged on the rainfall body (31), and a plurality of rainfall through holes are formed in the bottom of the cavity and used for enabling water from the water source to fall onto the component to be tested through the cavity.
13. The environmental simulation system according to claim 12, characterized in that the rainfall mechanism (30) comprises at least:
the device comprises a first cavity (32), wherein a first rainfall through hole (35) is formed in the bottom of the first cavity (32); and/or the presence of a gas in the gas,
the second cavity (33) is not communicated with the first cavity (32), a second rainfall through hole (36) is formed in the bottom of the second cavity (33), and the diameter of the second rainfall through hole (36) is smaller than that of the first rainfall through hole (35); and/or the presence of a gas in the gas,
the third cavity (34), the second cavity (33) and the first cavity (32) are not communicated with each other, a third rainfall through hole (37) is formed in the bottom of the third cavity (34), and the diameter of the third rainfall through hole (37) is smaller than that of the second rainfall through hole (36).
14. The environmental simulation system according to claim 13, wherein a plane perpendicular to the direction of rainfall is selected to cross-section the rainfall body (31), and the third chamber (34), the second chamber (33) and the first chamber (32) are sequentially arranged in an outward direction from the center of the cross-section.
15. The environmental simulation system of claim 12, wherein the rainfall mechanism (30) further comprises:
and the flow adjusting device is arranged on the cavity and used for adjusting the flow of water flowing into the cavity.
16. The environmental simulation system of claim 15, wherein the flow regulating device comprises at least two flow regulating structures arranged in a stack, the flow regulating structures comprising:
adjusting the body;
and the adjusting through hole (38) on one of the flow adjusting structures at least has a first state opposite to the adjusting through hole (38) on the adjacent flow adjusting structure and a second state opposite to the adjusting body and the adjusting through hole (38) on the adjacent flow adjusting structure.
17. The environmental simulation system according to claim 16, wherein the flow rate adjustment devices have at least three, and each of the flow rate adjustment devices is sequentially arranged in a rainfall direction, the flow rate adjustment structure further comprising:
at least one through-flow opening (39) provided in the regulating body, the through-flow opening (39) being at least opposite to the regulating opening (38) and the through-flow opening (39) of the adjacent flow regulating device.
18. The environmental simulation system according to any one of claims 12 to 17, wherein the rainfall mechanism (30) is plural;
the rainfall simulation device (02) further comprises:
the main pipeline (40) is arranged on the third bracket and is used for connecting the water source;
and the bypass pipelines (41) are arranged on the third support and are respectively connected with the main pipeline (40) and the rainfall mechanisms (30).
19. The environmental simulation system of any one of claims 12-17, wherein the water source comprises:
a water storage device (42);
a fluid pipeline (43), wherein the water inlet of the fluid pipeline (43) is communicated with the water storage device (42), and the water outlet of the fluid pipeline (43) is communicated with the rainfall mechanism (30); and/or the presence of a gas in the gas,
the heat exchanger (44) is arranged on the fluid pipeline (43), and fluid in the fluid pipeline (43) exchanges heat with the external atmosphere through the heat exchanger (44); and/or the presence of a gas in the atmosphere,
and the heating device (45) is arranged on the fluid pipeline (43), is positioned between the heat exchanger (44) and the rainfall mechanism (30), and is used for heating the fluid in the fluid pipeline (43).
20. The environmental simulation system of claim 19, wherein the water source further comprises:
the temperature detection device (46) is arranged on the fluid pipeline (43) and is positioned between the heat exchanger (44) and the rainfall mechanism (30);
and the second controller is connected with the temperature detection device (46) and is used for controlling the opening and closing of the heat exchanger (44) and the heating device (45) according to the difference value between the detection value of the temperature detection device (46) and a preset value.
21. The environmental simulation system of claim 20, wherein the water source further comprises:
the three-way valve (47) is arranged on the fluid pipeline (43) and positioned between the water storage device (42) and the heat exchanger (44), the three-way valve (47) is connected with the second controller, and the second controller controls the opening and closing of the heat exchanger (44) by controlling the three-way valve (47); and/or the presence of a gas in the atmosphere,
and the flow regulating component is connected with the second controller, is arranged on the fluid pipeline (43), and is positioned between the heat exchanger (44) and the rainfall mechanism (30).
22. The environmental simulation system of claim 21, further comprising:
the second input module (58) is connected with the temperature detection device (46) and is used for acquiring second input information, and the second input information comprises time, longitude and latitude and detection values of the temperature detection device (46);
the second controller comprises a second calculation module (59) and a second control adjustment module (60); the second calculation module (59) is connected with the second input module (58) and is used for calculating the required precipitation water temperature, precipitation water quantity and raindrop spectrum distribution function according to the time and the longitude and latitude and calculating the proportion of the cavity flow at different raindrop diameters according to the raindrop spectrum distribution function;
the second control and regulation module (60) is connected with the second calculation module (59) and is used for generating a first temperature regulation signal when the temperature of the precipitation water is greater than the detection value of the temperature detection device (46), and regulating the working state of the heat exchanger (44) and/or the three-way valve (47) and/or the heating device (45) according to the first temperature regulation signal; when the temperature of the precipitation water is less than or equal to the detection value of the temperature detection device (46), generating a second temperature adjusting signal, and adjusting the working state of the heat exchanger (44) and/or the three-way valve (47) according to the second temperature adjusting signal; and/or the presence of a gas in the gas,
the device is used for generating a first flow regulating signal according to the amount of the precipitation water and regulating the working state of the flow regulating component according to the first flow regulating signal; and/or the presence of a gas in the gas,
and the flow regulating device is used for generating a second flow regulating signal according to the precipitation water amount and the proportion and regulating the working state of the flow regulating device of the rainfall mechanism according to the second flow regulating signal.
23. An apparatus having an environmental simulation system, characterized in that it comprises a generator (06) and an environmental simulation system according to any one of claims 1-22.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911425126.2A CN111537250B (en) | 2019-12-31 | 2019-12-31 | Environment simulation system and equipment with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911425126.2A CN111537250B (en) | 2019-12-31 | 2019-12-31 | Environment simulation system and equipment with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111537250A CN111537250A (en) | 2020-08-14 |
| CN111537250B true CN111537250B (en) | 2022-07-05 |
Family
ID=71972936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911425126.2A Active CN111537250B (en) | 2019-12-31 | 2019-12-31 | Environment simulation system and equipment with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111537250B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20103645U1 (en) * | 2001-03-02 | 2001-05-23 | Astrium GmbH, 81667 München | Sun simulator with sliding filter |
| JP4902790B1 (en) * | 2011-01-07 | 2012-03-21 | シャープ株式会社 | Simulated solar irradiation device |
| TW201248050A (en) * | 2011-05-27 | 2012-12-01 | Enli Technology Co Ltd | Sun light simulator |
| CN102421220B (en) * | 2011-08-23 | 2014-01-22 | 上海太阳能电池研究与发展中心 | Sunlight simulator with oversized irradiation area |
| JP2017015215A (en) * | 2015-07-03 | 2017-01-19 | アイシン精機株式会社 | Flow rate adjustment structure |
| CN208383471U (en) * | 2018-03-30 | 2019-01-15 | 无锡市锦华试验设备有限公司 | Underground heat radiation simulation device |
-
2019
- 2019-12-31 CN CN201911425126.2A patent/CN111537250B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111537250A (en) | 2020-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Gagliano et al. | Description and performance analysis of a flexible photovoltaic/thermal (PV/T) solar system | |
| US10908564B2 (en) | Intelligent building management systems | |
| Thomas | Solar steam generating systems using parabolic trough concentrators | |
| Fanney et al. | Thermal performance comparisons for solar hot water systems subjected to various collector and heat exchanger flow rates | |
| Novelli et al. | Experimental investigation of a building-integrated, transparent, concentrating photovoltaic and thermal collector | |
| WO2021082506A1 (en) | Hot-humid climatic wind tunnel and multi-field coupling control system therefor | |
| CN100501366C (en) | Apparatus and method for quick measurement of heat performance of solar heat collector | |
| CN108006809B (en) | Intelligent control navigation method for cooling and heating of distributed energy station | |
| Bodnár et al. | Design and construction of a sun simulator for laboratory testing of solar cells | |
| CN111537250B (en) | Environment simulation system and equipment with same | |
| CN105719543A (en) | Movable photovoltaic and photothermal integrated experimental training system | |
| CN111413271B (en) | Walk-in type test box for ultraviolet aging test of photovoltaic module | |
| CN111537231B (en) | Wind generating set's thermal radiation analogue means and have its system | |
| CN218297599U (en) | Laboratory thermal performance detection equipment for solar water heating system | |
| CN111550374B (en) | Rainfall simulation device and system of generator | |
| Yadav et al. | An assessment for the selection of weather profiles for performance testing of SPV pumps in Indian climate | |
| Mawoli et al. | Development and Performance Evaluation of Solar Photovoltaic Module’s Surface-to-Rear Temperature Controlled Valve for Cooling Application | |
| Choi et al. | Air-type photovoltaic thermal (PVT) system connected to heat recovery ventilators installed in typical classroom | |
| CN212747895U (en) | PVT heat collector-heat pump system performance testing device | |
| CN114294822B (en) | Warm air blower | |
| Katakumbura et al. | Irradiance and Temperature Control Chamber for Testing Solar Cell Performance | |
| EP3217111B1 (en) | Control system for air conditioning systems | |
| Blaesser et al. | The Solar Test Facility LS-1—Technical Description | |
| CN213983762U (en) | Intelligent hydraulic balance controller | |
| Abdullah et al. | Investigation the Impact of using Integrated PV System at Avro City in Duhok-Iraq |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |