CN103208837A - Solar air conditioner and power supply method of same - Google Patents
Solar air conditioner and power supply method of same Download PDFInfo
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- CN103208837A CN103208837A CN2013100983198A CN201310098319A CN103208837A CN 103208837 A CN103208837 A CN 103208837A CN 2013100983198 A CN2013100983198 A CN 2013100983198A CN 201310098319 A CN201310098319 A CN 201310098319A CN 103208837 A CN103208837 A CN 103208837A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The invention discloses a solar air conditioner and a power supply method of the same. The method comprises the steps of controlling a photovoltaic battery pack to supply electricity; monitoring output power of the photovoltaic battery pack in real time; converting and managing the photovoltaic battery pack, and supplying the electricity for an air-conditioning device for usage after conversion and management; and if the output power of the photovoltaic battery pack is detected to be lower than a set value, controlling a built-in electrical storage device to supply electricity for the photovoltaic battery pack in a supplementary mode, wherein the built-in electrical storage device and the photovoltaic battery pack supply the electricity for the air-conditioning device together. According to the solar air conditioner and the power supply method of the same, direct input by an external power supply is supported, and bidirectional switching between a photovoltaic supply and a mains supply can be achieved according to changes of the output of photovoltaic batteries. By the aid of the solar air conditioner and the power supply method of the same, the problem that the air-conditioning device cannot be used due to the sudden power supply interruption of the air-conditioning device caused by sudden failures of a solar module or the photovoltaic battery pack or other reasons can be solved, and, damages to the air-conditioning device caused by abnormal starting and stopping can be avoided.
Description
Technical field
The present invention relates to a kind of air-conditioning equipment, particularly relate to the method for supplying power to of a kind of solar airconditioning and this air-conditioning.
Background technology
Now to family expenses such as air-conditioning or vehicle mounted electrical apparatus equipment, it is more and more higher that environmental protection, intelligence require, so developed solar airconditioning to satisfy the client to environmental protection requirement.But the efficient of existing solar airconditioning is lower, can't finely meet the demands.And existing solar airconditioning operated by rotary motion inverter is alternating current with the DC power supply inversion of the output of photovoltaic cell group, air-conditioning is given in power supply, further reduced the utilization ratio of solar energy, and owing to use inverter to make whole solar airconditioning volume bigger, and because the inverter volume is bigger, inverter and air-conditioning partly can only be installed separately setting, extremely inconvenience is installed, and owing to the restriction of automobile installing space can't well be installed and used at automobile.Because solar energy module part, inverter, air-conditioning part all are installed separately setting, its wiring is also comparatively loaded down with trivial details, installs, safeguards also extremely inconvenience.
In addition in the air-conditioning use; since compressor start when stopping percussion power be normal condition 5-7 doubly; so; alternator for vehicle; the inverter overload, overcurrent protection will often occur, and particularly type selecting coupling and the reservation surplus for the generator under the vehicle-mounted condition, inverter all will keep very big space; cause cost to increase, fail safe reduces.
The another one aspect, be used in particular for vehicle environment, the power supply less stable of solar energy, if solar panels occur because power supply trouble or obstructed situation appear in a variety of causes temporarily, then can't partly power to air-conditioning, make the air-conditioning part the out-of-work situation of cutting off the power supply suddenly can occur, must restart air-conditioning and carry out work, and often suddenly outage causes that air-conditioning is improper to stop also very easily to damage air-conditioning, has a strong impact on the useful life of air-conditioning.
Summary of the invention
The present invention has overcome the deficiencies in the prior art, aims to provide a kind of solar airconditioning method of supplying power to that improves power supply stability.
Simultaneously, provide a kind of solar airconditioning that can improve power supply stability.
Consider the problems referred to above of prior art, according to an aspect of the present invention, for solving above-mentioned technical problem, the present invention by the following technical solutions:
A kind of solar airconditioning method of supplying power to comprises:
Control photovoltaic cell group is powered to aircondition, and air-conditioning adopts the DC frequency-changing Driving technique, thereby avoids starting current to impact, and reduces automobile-used output load, reaches energy-saving effect simultaneously
Monitor the power output of photovoltaic cell group in real time,
, then control built-in electrical storage device and carry out supplementary power less than set point as if the power output that detects the photovoltaic cell group, and give aircondition with the common power supply of photovoltaic cell group.
In a preferred embodiment, the photovoltaic cell group is powered to aircondition by built-in electrical storage device and internal electric source management devices, and aircondition is the direct current supply aircondition; The out-put supply of photovoltaic cell group confluxes and power tracking through controller for solar, becomes the voltage source that is complementary with the aircondition power reguirements by the internal electric source management transitions via built-in electrical storage device again and gives aircondition with power supply.
In a preferred embodiment, if detect the power output of the power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device less than set point, then control external electrical storage device and photovoltaic cell group and inner electrical storage device and power to aircondition jointly.
In a preferred embodiment, described external power supply comprises: the power supply that external electric energy storage device, described external electric energy storage device output and inner electrical storage device power demands are complementary, give aircondition through center power supply management power supply; If detect the power output of the power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device less than set point, then control the common power supply of external electric energy storage device and photovoltaic cell group and give inner electrical storage device, after the conversion of center power supply management devices, offer aircondition again.
In a preferred embodiment, described external power supply also comprises: civil power is directly inserted the center power supply management system convert the voltage that is complementary with described aircondition power reguirements to, directly aircondition is given in power supply, if detect the power output of the power output of power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device less than set point, then control closure inserts the switch of mains supply, automatically switch to civil power, give aircondition with the output of control mains supply and the common power supply of photovoltaic cell group; Can charge to outside electrical storage device and inner electrical storage device automatically simultaneously.
In a preferred embodiment, described external power supply comprises: external electric energy storage device, outside civil power insert, outside storage power or dc low-voltage generating equipment power supply are converted to the voltage source that is complementary with described aircondition power reguirements the center power supply conversion equipment; If detect the power output of the power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device less than set point, then control the common power supply of external electric energy storage device and photovoltaic cell group and give aircondition, if the gross output that detects external electric energy storage device and photovoltaic cell group, is then controlled photovoltaic cell group, external electric energy storage device and outside civil power less than set point and is inserted common power supply to aircondition.
In a preferred embodiment, charge to built-in electrical storage device or external electrical storage device unnecessary power distribution if the power output that detects the photovoltaic cell group, is then controlled photovoltaic cell greater than the load power demand, and control is preferential to built-in electrical storage device charging; If being lower than, the output current that detects built-in electrical storage device allows set point, then control photovoltaic cell group or external electrical storage battery and external mains supply built-in electrical storage device is charged, and by center power supply management relative high output voltage control photovoltaic cell group is set built-in electrical storage device is preferentially powered.
A kind of solar airconditioning, comprise: the DC frequency converting air-conditioner device, be connected with described aircondition and be the center power supply management devices of the band external power source input interface of this aircondition power supply, is connected the built-in electrical storage device of moral, the photovoltaic cell group that is connected with described built-in electrical storage device with the center power supply management devices, reaches the air-conditioner controller that is connected with described photovoltaic cell group; Described photovoltaic cell group is connected with described built-in electrical storage device by controller for solar and powers to the center power supply management devices by this built-in electrical storage device, powers to aircondition by center power supply management conversion device; Described aircondition is the direct current supply aircondition, and described air-conditioner controller control photovoltaic cell group is powered to aircondition by center power supply management transitions device; Described controller for solar converts the out-put supply of photovoltaic cell group to power supply that the power reguirements with built-in electrical storage device or center power supply management conversion device is complementary and powers to described aircondition; Described air-conditioner controller is monitored the power output of photovoltaic cell group or controller for solar in real time, if described center power supply management conversion device detects the power output of photovoltaic cell group less than set point, then control built-in electrical storage device and carry out supplementary power, give aircondition with the common power supply of photovoltaic cell group.
In a preferred embodiment, also comprise: the external power supply that is connected with air-conditioner controller; If air-conditioner controller detects the power output of the power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device less than set point, then control starts external power supply and powers to aircondition jointly with the photovoltaic cell group.
In a preferred embodiment, described external power supply comprises: external electric energy storage device, civil power insert and the center power supply management conversion device of out-put supply that the power reguirements that converts to mutually between civil power and photo-voltaic power supply and the inner electrical storage device with described aircondition is complementary; If described air-conditioner controller detects the power output of the power output of described photovoltaic cell group or described photovoltaic cell group and built-in electrical storage device less than set point, then control external electric energy storage device and photovoltaic cell group and power jointly to aircondition; If the gross output that detects external electric energy storage device and photovoltaic cell group, is then controlled mains powered less than set point and is given aircondition.By the photovoltaic cell group external electric energy storage device and inner electrical storage device are charged simultaneously.
Compared with prior art, one of beneficial effect of the present invention is:
Above-mentioned solar airconditioning and the method for supplying power to of this air-conditioning, power output by real-time monitoring photovoltaic cell group, so that the photovoltaic cell group provides stable power supply for aircondition, if detect the power output of photovoltaic cell group less than set point, then control built-in electrical storage device and carry out supplementary power, give aircondition with the common power supply of photovoltaic cell group, avoid solar energy module or photovoltaic cell group to cause aircondition to cut off the power supply suddenly because of catastrophic failure or reason, cause aircondition to use, avoid aircondition to cause damage because of improper start-stop simultaneously.
Monitor the power output of photovoltaic cell group simultaneously in real time, if the power output of photovoltaic cell group is greater than set point, control then that the photovoltaic cell group is supplied with built-in electrical storage device with unnecessary electric energy or external storage battery charges, avoid photovoltaic cell group output current other components and parts of too high infringement or aircondition even load, simultaneously, can the storage of solar energy that daytime is relatively sufficient get up and use under the environment for evening or solar energy shortage, thereby reach the requirement of energy-conservation, accumulation of energy, raising energy utilization rate.
Description of drawings
For clearer explanation present specification embodiment or technical scheme of the prior art, to do simple the introduction to the accompanying drawing of required use in the description of embodiment or prior art below, apparently, the accompanying drawing that describes below only is the reference to some embodiment in the present specification, for those skilled in the art, under the situation of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the part-structure schematic diagram of the solar airconditioning of one embodiment of the invention;
Fig. 2 is the connection diagram of part of module of the solar airconditioning of one embodiment of the invention.
Embodiment
Be described in further detail below in conjunction with the present invention of embodiment, but embodiments of the present invention are not limited thereto.
As shown in Figure 1, the solar airconditioning of one embodiment of the invention comprises: aircondition 101, be connected with aircondition 101 and be the solar energy module of these aircondition 101 power supplies.
In the present embodiment, solar energy module comprises: photovoltaic cell group 103, controller for solar 102.The controller for solar of present embodiment excellent 102 is elected MPPT(Maximum Power Point Tracking, MPPT maximum power point tracking as) controller.The MPPT controller is controlled the photovoltaic cell group, and the out-put supply of photovoltaic cell group 103 converted to the center power supply administration module requires the power supply that is complementary, powers to aircondition 101 by the center power supply administration module again.
In the present embodiment, because photovoltaic cell group 103 is installed in outdoor absorption sunlight and carries out electric power storage.Photovoltaic cell group 103 has one section transmission range from the aircondition of power supply, and in order to reduce the loss in the transmission course, the photovoltaic cell group 103 of present embodiment can be selected the output voltage of DC100V-240V for use.According to test practice repeatedly, in conjunction with electrical safety with reduce the wastage etc. and comprehensively to consider that the output voltage of the photovoltaic cell group 103 of this enforcement is preferably DC150V.Logical MPPT controller converts photovoltaic cell group 103 output 150V power supplys to aircondition 101 even loads required voltage source such as DC48V again.
The photovoltaic cell group of present embodiment is powered to center power supply management conversion device by built-in electrical storage device, DC48V is changed DC310V offer aircondition, and aircondition 101 is full DC frequency converting air-conditioner device.
Further, the photovoltaic cell group 103 of present embodiment is converted into the voltage source that is complementary with center power supply management conversion device power reguirements through the MPPT controller, powers to aircondition by center power supply management conversion device through built-in electrical storage device power supply again.
Further, the built-in electrical storage device of present embodiment can be internal battery, also can be super capacitor or large bulk capacitance.
Aircondition 101 is connected with air-conditioner controller.Air-conditioner controller can be arranged in the aircondition, also can arrange separately.Air-conditioner controller comprises master controller, also the branch machine controller can be set as required.The quantity of aircondition arranges as required, can be set to the air-conditioning unit.
Air-conditioner controller control photovoltaic cell group 103 is powered by built-in electrical storage device and is powered to aircondition then to center power supply management conversion device.Air-conditioner controller is monitored the power output of photovoltaic cell group 103 simultaneously in real time, according to the power output situation control power supply of detected photovoltaic cell group 103.
If the power output that air-conditioner controller detects photovoltaic cell group 103 is then controlled built-in electrical storage device internal discharge and is carried out supplementary power less than set point.
Further, the solar airconditioning of present embodiment also is connected with external power supply.If air-conditioner controller detects the power output of the power output of photovoltaic cell group 103 or photovoltaic cell group 103 and built-in electrical storage device less than set point, then control external power supply and the 103 common power supplies of photovoltaic cell group to aircondition.
The external power supply of present embodiment can be set to external electrical storage device, outside Blast Furnace Top Gas Recovery Turbine Unit (TRT) and civil power as required and insert.
In conjunction with shown in Figure 2, if external power supply is set to external electrical storage device, then external electric energy storage device directly the power supply that is complementary of output and center power supply administration module, give aircondition with direct power supply.If air-conditioner controller detects the power output of the power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device less than set point, then air-conditioner controller is controlled the access switch of closed external electric energy storage device, start external electric energy storage device, control the common power supply of external electric energy storage device and photovoltaic cell group and give aircondition.Air-conditioner controller also can be controlled the common power supply of external electric energy storage device, built-in electrical storage device and photovoltaic cell group and give aircondition.
If external power supply is for inserting civil power, the changeable mains-supplied of air-conditioner controller is given aircondition.If air-conditioner controller detects the power output of the power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device less than set point, then air-conditioner controller is controlled the access switch of closed mains supply, switch to mains supply, the control mains supply is powered to air-conditioning system separately and with the common power supply of photovoltaic cell group inner electrical storage device is charged.When inner electrical storage device power output during greater than set point, air-conditioner controller also can automatically switch to the common power supply of center power supply management conversion device, built-in electrical storage device and photovoltaic cell group by mains supply and give aircondition.
If external power supply both had been provided with external electrical storage device, also be provided with the access civil power.
If air-conditioner controller detects the power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device less than set point, then air-conditioner controller is controlled closed external electric energy storage device and is inserted switch, start external electric energy storage device, so that aircondition is given in the common power supply of external electric energy storage device and photovoltaic cell group.Air-conditioner controller also can be controlled the common power supply of external electric energy storage device, built-in electrical storage device and photovoltaic cell group and give aircondition.
If air-conditioner controller detects the power output of the power output of photovoltaic cell group and external electric energy storage device or photovoltaic cell group and built-in electrical storage device and external electric energy storage device less than set point, then air-conditioner controller control automatic switchover inserts civil power, directly powered to the air-conditioning unit by civil power, and by the photovoltaic cell group external electric energy storage device and inner electric energy storage device are charged simultaneously, after charging is finished, automatic switchover light echo volt powering mode.Air-conditioner controller also can be controlled civil power charges to reach fast energy storage under the situation of photovoltaic energy deficiency simultaneously to external electric energy storage device, built-in electrical storage device by center power supply management conversion device purpose.
Because the required supply power voltage of load is in certain setting range, the photovoltaic cell group offers the power output of load and can determine according to output current.
The photovoltaic cell group is preferentially powered to aircondition.Present embodiment, preferred, the voltage of the sun-generated electric power that is complementary with the aircondition power reguirements of photovoltaic cell group output is higher than the voltage setting value of storage power, the output of photovoltaic cell group, is preferably aircondition and powers.
The photovoltaic cell group also is higher than the voltage setting of external electric energy storage device out-put supply through the voltage of the sun-generated electric power that is complementary with center power supply management conversion device power reguirements of MPPT controller conversion output so that the photovoltaic cell group by relatively high pressure output, be preferably aircondition and power.
The photovoltaic cell group also is higher than the voltage setting of built-in electrical storage device out-put supply through the voltage of the sun-generated electric power that is complementary with center power supply management conversion device power reguirements of MPPT controller conversion output so that the photovoltaic cell group by relatively high pressure output, be preferably aircondition and power.
Charge to built-in electrical storage device or external electrical storage device unnecessary power distribution if the power output that air-conditioner controller detects the photovoltaic cell group, is then controlled the photovoltaic cell group greater than the load power demand is set, and control is preferential to built-in electrical storage device charging.
Allow set point if the output current that air-conditioner controller detects built-in electrical storage device is lower than, then control the photovoltaic cell group built-in electrical storage device is charged; If detect the power output of photovoltaic cell group less than set point, then control starts external electrical storage device and jointly built-in electrical storage device is charged with the photovoltaic cell group, and the output voltage by the photovoltaic cell group is set to the output voltage that relatively high pressure output namely is higher than outside electrical storage device and preferentially powers to control the photovoltaic cell group.
In the present embodiment, preferred, the power supply voltage of aircondition is DC310V.The power supply voltage of the output of built-in electrical storage device, external electrical storage device is set to DC48V.
Certainly the power supply voltage of aircondition also can be set to other values as required.The output voltage of built-in electrical storage device, external electrical storage device is done respective change simultaneously.
In a preferred embodiment, the built-in electrical storage device of the photovoltaic cell group of present embodiment and configuration DC48V such as storage battery carry out powered operation for aircondition such as air-conditioning unit; When photovoltaic cell group output current can't satisfy aircondition such as the load of air-conditioning unit, additional temporarily by built-in electrical storage device such as the storage battery of DC48V.
When the built-in electrical storage device output gross power of photovoltaic cell group and configuration DC48V all can't satisfy aircondition such as the load of air-conditioning unit, by the external electrical storage device of outdoor DC48V such as large-capacity battery pack and photovoltaic cell group jointly to aircondition such as air-conditioning unit powered operation.
When photovoltaic cell group and the configuration external electrical storage device of DC48V such as large-capacity battery pack output total current all can't satisfy aircondition such as the load of air-conditioning unit, air-conditioner controller will automatically switch to city's power mode to offer the aircondition power supply when having detected the civil power access, and automatically inner electrical storage device and outside electrical storage device are charged by the photovoltaic cell group simultaneously, priority level is earlier inner electrical storage device to be charged.
When civil power inserts, can photovoltaic cell be set to air-conditioner controller and whether after inner electrical storage device charging is finished, switch light echo volt powering mode, perhaps can be set to photovoltaic cell and after inner electrical storage device charging is finished, carry out outside electrical storage device charging again.
When civil power inserts, in the charging of photovoltaic cell group slowly, during as cloudy day, night, can arrange whether by civil power inner electrical storage device and outside electrical storage device are carried out quick charge to air-conditioner controller.
When photovoltaic cell group and the configuration external electrical storage device of DC48V such as large-capacity battery pack output total current all can't satisfy aircondition such as the load of air-conditioning unit, air-conditioner controller when being lower than setting voltage value, will stop operation of air conditioner when detecting no civil power access,
The output voltage 150V of photovoltaic cell group, the relatively high pressure input can be saved the loss in the circuit process greatly, has reduced electric current and has also reduced cost simultaneously.The center power supply administration module of present embodiment can directly use the DC power supply of photovoltaic cell group output.Can select storage battery or directly use large bulk capacitance as built-in electrical storage device.The external power supply input, can be external civil power or external electrical storage device, external civil power mainly is that the power supply that the photovoltaic cell group is exported to aircondition is compensated, when the power output of photovoltaic cell is not enough, use civil power automatically, external electrical storage device can get up unnecessary power storage when sunny, can use night.
As when rainy weather or the solar energy module electricity shortage, will enable external power supply such as external civil power or external connection battery group this time automatically, such as the 1000W that need power of system, solar energy provides 400W, and 600W is just provided by external power supply in addition.The process of A+B+C=D, it is photovoltaic cell group power output that A represents solar energy, and B represents external power supply, and C represents built-in electrical storage device, and D represents load; The solar energy that utilizes that like this can maximal efficiency has guaranteed user's instructions for use simultaneously.In whole design process, A〉C〉B so preferentially uses the power supply of solar energy, and next uses built-in electrical storage device, uses external power supply at last.If external power supply adopts external civil power, adopt output at the center power supply administration module that diode is set direct current and the system of civil power conversion separated, only allow civil power that system is powered.If A〉D, A=B+C+D then, unnecessary electric energy will carry out charging process to internal battery and external battery group.If A＜D, then A+B+C=D.If built-in level brownout and A＜D then have A+B=C+D, external power source and photovoltaic cell group provide electric energy to built-in electrical storage device charging and to aircondition.
In the present embodiment, can be with integrated photovoltaic battery pack and aircondition in one, because the advantage in the design, the photovoltaic cell group volume of present embodiment is very little, can directly will solar powered and air-conditioning perfect adaptation.
The aircondition of present embodiment also can be provided with network interface, realizes networking, can parameter be set by the solar airconditioning of the Internet or family lan visit present embodiment.And can read ruuning situation, failure condition, the every day parameter such as energy output of photovoltaic cell group as required; Be convenient to safeguard and energy-conservation statistics
It is that the CFZ monocrystalline silicon piece will make the conversion efficiency of photovoltaic cell group be increased to 24%-26% that the solar energy module of present embodiment adopts the vertical pulling and zone melting process monocrystalline, and the parameter discrete phenomenon of photovoltaic cell group manufacture process is greatly improved; Because making the photovoltaic cell group not do any special processing, the ultralow oxygen content of CFZ monocrystalline silicon piece just the conversion efficiency decay almost can be reduced to zero simultaneously.
The under-chassis beam that the damping modes of the aircondition change compressor of present embodiment is about to compressor changes the spring shock absorption pad into, adjusts connecting line simultaneously and connects as changing compressor into the straight line flexible pipe by the welding of camber hard tube; To reduce the noise of compressor.
The electrical storage device of present embodiment such as built-in electrical storage device or external electrical storage device adopt golf cart efficient and environment-friendly type storage battery.
The above-mentioned solar airconditioning method of supplying power to of one embodiment of the invention, as follows:
Step 1, control photovoltaic cell group is powered to aircondition.In the present embodiment, powered to aircondition by air-conditioner controller control photovoltaic cell group.
Step 2 is monitored the power output of photovoltaic cell group in real time, if the power output that detects the photovoltaic cell group is then controlled built-in electrical storage device and carried out supplementary power less than set point, gives aircondition to power jointly with the photovoltaic cell group.
In the present embodiment, preferably, monitored the power output of photovoltaic cell group in real time by the air-conditioner controller of aircondition.
In the present embodiment, the photovoltaic cell group is powered to aircondition by built-in electrical storage device.Aircondition is the direct current supply aircondition.The photovoltaic cell group is converted to the voltage source that is complementary with the aircondition power reguirements by the MPPT controller, to power to aircondition by built-in electrical storage device.
Step 3 if air-conditioner controller detects the power output of the power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device less than set point, is then controlled external power supply and photovoltaic cell group and is powered to aircondition jointly.
The external power supply of present embodiment can be set to external electrical storage device as required or insert civil power.
If external power supply is set to external electrical storage device, then external electric energy storage device directly the power supply that is complementary of output and center power supply administration module demand, give aircondition with direct power supply.If air-conditioner controller detects the power output of the power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device less than set point, then air-conditioner controller is controlled closed external electric energy storage device and is inserted switch, start external electric energy storage device, control the common power supply of external electric energy storage device and photovoltaic cell group and give aircondition.Air-conditioner controller also can be controlled the common power supply of external electric energy storage device, built-in electrical storage device and photovoltaic cell group and give aircondition.
If external power supply is civil power, then civil power is converted to the DC power supply output that the power reguirements with aircondition is complementary through the center power supply administration module with civil power, and aircondition is given in power supply.The output of center power supply administration module is provided with unidirectional actuating switch.Unidirectional actuating switch is preferably diode, damages components and parts to prevent that direct current from flowing backwards.If air-conditioner controller detects the power output of the power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device less than set point, then air-conditioner controller is controlled the access switch of closed civil power, start civil power and insert, control civil power power supply is separately given aircondition.And the photovoltaic cell group is charged to built-in electrical storage device, and air-conditioner controller also can be controlled the common power supply of civil power, built-in electrical storage device and photovoltaic cell group and give aircondition.
If external power supply both had been provided with external electrical storage device, also be provided with the access civil power.
If air-conditioner controller detects the power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device less than set point, then air-conditioner controller is controlled closed external electric energy storage device and is inserted switch, start external electric energy storage device, control the common power supply of external electric energy storage device and photovoltaic cell group and give aircondition.Air-conditioner controller also can be controlled the common power supply of external electric energy storage device, built-in electrical storage device and photovoltaic cell group and give aircondition.
If air-conditioner controller detects the power output of the power output of photovoltaic cell group and external electric energy storage device or photovoltaic cell group and built-in electrical storage device and external electric energy storage device less than set point, then air-conditioner controller control starts the switch that inserts civil power, the center power supply administration module is converted to the DC power supply that the power reguirements with aircondition is complementary with civil power, and air-conditioner controller control civil power inserts, external electric energy storage device and the common power supply of photovoltaic cell group be to aircondition.Air-conditioner controller also can be controlled the common power supply of civil power access, external electric energy storage device, built-in electrical storage device and photovoltaic cell group and give aircondition.
In the present embodiment, detect the power output of photovoltaic cell group and can determine by the output current that detects the photovoltaic cell group; The set point of photovoltaic cell group power output is according to being determined by load such as the aircondition power demand of the power supply of photovoltaic cell group; This set point can be a setting range.
Because the required supply power voltage of load is in certain setting range, the photovoltaic cell group offers the power output of load and can determine according to output current.
The photovoltaic cell group is preferentially powered to aircondition.Present embodiment, preferably, the photovoltaic cell group converts the power supply that is complementary with center power supply administration module power reguirements to through the MPPT controller, and the voltage of sun-generated electric power is higher than the supply voltage of built-in electrical storage device, powers so that the photovoltaic cell group is preferably aircondition by relatively high pressure.
The voltage that the photovoltaic cell group converts the solar energy out-put supply that is complementary with the center power supply administration module to through the MPPT controller also is higher than the voltage setting of external electric energy storage device out-put supply, powers so that the photovoltaic cell group is preferably aircondition by relatively high pressure.
When inserting power supply by civil power, the photovoltaic cell group is higher than set point through the voltage that the MPPT controller converts the solar energy out-put supply that is complementary with the aircondition power reguirements to, air-conditioner controller is then controlled and is switched to the photovoltaic cell group, powers to be preferably aircondition by photovoltaic cell group relatively high pressure.
Charge to built-in electrical storage device or external electrical storage device unnecessary power distribution if the power output that detects the photovoltaic cell group, is then controlled the photovoltaic cell group greater than the load power demand is set, and control is preferential to built-in electrical storage device charging.
Allow set point if the output current that detects built-in electrical storage device is lower than, then control the photovoltaic cell group built-in electrical storage device is charged; If detect the power output of photovoltaic cell group less than set point, then control starts external power supply and jointly built-in electrical storage device is charged with the photovoltaic cell group, and the output voltage by the photovoltaic cell group is set to the output voltage that relatively high pressure namely is higher than external power supply and preferentially powers to control the photovoltaic cell group.The output voltage of out-put supply that is about to the suitable aircondition power reguirements of photovoltaic cell group conversion output as output voltage that can solar energy module is set to DC56V, the relative low-voltage setting of output voltage such as the DC53V of the relative solar energy module of charging output voltage of center power supply administration module preferentially powered so that solar energy module is the photovoltaic cell group when civil power was inserted.
The solar airconditioning of present embodiment can be used as the Vehicular solar air-conditioning and is installed on the vehicle.The photovoltaic cell group is contained on roof or the vehicle body by the riding frame.If the solar airconditioning of present embodiment is installed on the vehicle, then external power supply can be chosen as external electrical storage device as required, or is vehicle power etc.
The photovoltaic cell group of present embodiment comprises: the extinction plate, and the transform light energy that is connected with the extinction plate, the extinction plate is absorbed is the electrical storage device of electric energy and storage.
Further, the photovoltaic cell group of present embodiment is contained on roof or the vehicle body by the riding frame.
Further, in order to take full advantage of solar energy, the photovoltaic cell group of present embodiment becomes array to tilt to install respectively in the vehicle body both sides.
In order further to take full advantage of solar energy, the photovoltaic cell group becomes the array setting and is symmetrically arranged with two rows on roof.The acute angle setting of tilting of the primary flat at the relative roof of the extinction plate place of photovoltaic cell group.The photovoltaic cell group of present embodiment is arranged on the roof, and the extinction face of its extinction plate relatively outwards arranges.The cross section of the extinction plate that two row's symmetric array arrange becomes the setting of handstand V-type.
Further, the support of present embodiment comprises: be arranged on vehicle body or the roof and the underframe that is connected with vehicle body or roof, and be connected with underframe and the installing rack of the installation solar panels that tilt.
For the stable photovoltaic cell group of installing, the support that is arranged on the roof comprises: connect underframe and installing rack and support the bearing support of this installing rack.
An acute angle setting that the photovoltaic cell group of present embodiment is installed on the installing rack, the relative roof of its extinction board plane place primary flat tilts.Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part cross-references gets final product between each embodiment.
Although invention has been described with reference to a plurality of explanatory embodiment of the present invention here, but, should be appreciated that those skilled in the art can design a lot of other modification and execution modes, these are revised and execution mode will drop within the disclosed principle scope and spirit of the application.
Claims (10)
1. a solar airconditioning method of supplying power to is characterized in that, comprising:
The power supply of control photovoltaic cell group;
Monitor the power output of photovoltaic cell group in real time;
Its photovoltaic cell group is changed and managed, change and manage the back power supply and give aircondition to use;
If the power output that detects the photovoltaic cell group less than set point, is then controlled built-in electrical storage device the photovoltaic cell group is carried out supplementary power, and built-in electrical storage device and the common power supply of photovoltaic cell group are to aircondition;
The input of support external power source, and can between photovoltaic and civil power, carry out two-way switching according to the variation of photovoltaic cell output;
If detect the power output of photovoltaic cell group and built-in electrical storage device all less than set point, then control external power source photovoltaic cell group and/or built-in electrical storage device are carried out supplementary power, and aircondition is given in external power source and built-in electrical storage device and/or the common power supply of photovoltaic cell group.
2. solar airconditioning method of supplying power to according to claim 1 is characterized in that, described photovoltaic cell group is powered to aircondition by built-in electrical storage device, and aircondition is the direct current supply aircondition; The out-put supply of photovoltaic cell group is through controller for solar and built-in electrical storage device, becomes the voltage source that is complementary with the aircondition power reguirements by the internal electric source management to supply with aircondition.
3. solar airconditioning method of supplying power to according to claim 1 and 2 is characterized in that, described external power source comprises external electrical storage device.
4. solar airconditioning method of supplying power to according to claim 3 is characterized in that, described external electrical storage device inserts the power supply that power demands that the back is used for output and aircondition is complementary, and gives aircondition with power supply.
5. solar airconditioning method of supplying power to according to claim 3, it is characterized in that, if detect the photovoltaic cell group power output less than the power output of set point or photovoltaic cell group and built-in electrical storage device all less than set point, then the closed switch that inserts external power source of control is given aircondition to control external electrical storage device output with the common power supply of photovoltaic cell group; When described photovoltaic cell group inputs to built-in electric energy storage device after controller for solar conversion output power of power supply was higher than set point, the internal electric source management devices can cut off the external power source input automatically.
6. solar airconditioning method of supplying power to according to claim 3, it is characterized in that, described external power source also comprises external communication generating equipment, outside DC generation equipment and outside civil power, and described external power source offers the voltage source that is complementary with described aircondition power reguirements by conversion and after managing.
7. according to any described solar airconditioning method of supplying power to of claim 1 to 6, it is characterized in that, if detect the power output of photovoltaic cell group greater than the load power demand, then control photovoltaic cell and charge to built-in electrical storage device or external electrical storage device unnecessary power distribution, and control is preferential to built-in electrical storage device charging; If being lower than, the output current that detects built-in electrical storage device allows set point, then control photovoltaic cell group or photovoltaic cell group and external electrical storage device built-in electrical storage device is charged, and preferentially power by relative high output voltage control photovoltaic cell group is set; If external electrical storage device and in connect electrical storage device output current all be lower than and allow set point, under the situation that has other external power source directly to insert, automatically switch to other outside input power supply, and in uninterrupted use air-conditioning, can utilize the photovoltaic cell group that inner and external electrical storage device are charged.
8. an application is as the solar airconditioning of solar airconditioning method of supplying power to as described in any one of the claim 1 to 7, it is characterized in that, comprise: aircondition, be connected with described aircondition and for built-in electrical storage device, the photovoltaic cell group that is connected with described built-in electrical storage device of this aircondition power supply, reach the center power supply management system that is connected with described photovoltaic cell group, reach the air-conditioner controller that is connected with power-supply management system; Described photovoltaic cell group is connected with described built-in electrical storage device by controller for solar and is powered to aircondition by the center power supply management system by this built-in electrical storage device; Described aircondition is the direct current supply aircondition, and described controller for solar control photovoltaic cell group is given built-in power storage device system power supply; Described center power supply management system converts built-in electrical storage device output voltage to power supply that the power reguirements with aircondition is complementary and powers to described aircondition; Described air-conditioner controller is monitored the power output of photovoltaic cell group or controller for solar in real time, if described air-conditioner controller detects the power output of photovoltaic cell group less than set point, then control built-in electrical storage device and carry out supplementary power, to give aircondition with the common power supply of photovoltaic cell group.
9. solar airconditioning according to claim 8 is characterized in that, also comprises the external power source that is connected with aircondition; If air-conditioner controller detects the power output of the power output of photovoltaic cell group or photovoltaic cell group and built-in electrical storage device less than set point, then control starts external power supply and powers to aircondition jointly with the photovoltaic cell group.
10. solar airconditioning according to claim 9, it is characterized in that, described external power supply comprises external electric energy storage device, direct one or several in civil power access device and the external Blast Furnace Top Gas Recovery Turbine Unit (TRT), and external power supply is converted into the out-put supply that the power reguirements with described aircondition is complementary; If described air-conditioner controller detects the power output of the power output of described photovoltaic cell group or described photovoltaic cell group and built-in electrical storage device less than set point, then control external power supply and photovoltaic cell group and power jointly to aircondition; Common power supply also charges for aircondition simultaneously to external electrical storage device/built-in electrical storage device if the gross output that detects external power supply and photovoltaic cell group, is then controlled photovoltaic cell group and external power supply less than set point.
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