CN104089378A - Control method and control device of photovoltaic air conditioning system and photovoltaic air conditioning system - Google Patents
Control method and control device of photovoltaic air conditioning system and photovoltaic air conditioning system Download PDFInfo
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- CN104089378A CN104089378A CN201410353878.3A CN201410353878A CN104089378A CN 104089378 A CN104089378 A CN 104089378A CN 201410353878 A CN201410353878 A CN 201410353878A CN 104089378 A CN104089378 A CN 104089378A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 220
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 53
- 238000005057 refrigeration Methods 0.000 claims abstract description 53
- 238000012360 testing method Methods 0.000 claims description 51
- 238000005286 illumination Methods 0.000 description 12
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000037081 physical activity Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a control method and a control device of a photovoltaic air-conditioning system, which comprises the steps of firstly determining a light intensity value of the environment where the photovoltaic system is located, then comparing the light intensity value with a preset light intensity interval, and under the condition that the light intensity value is higher than the preset light intensity interval, reducing the set temperature of the air-conditioning system if the air-conditioning system is in a refrigeration mode and the current set temperature is higher than the lowest temperature of the refrigeration mode, and increasing the set temperature of the air-conditioning system if the air-conditioning system is in a heating mode and the current set temperature is lower than the highest temperature of the heating mode. According to the control method and the control device of the photovoltaic air-conditioning system, under the condition that the light intensity value of the environment where the photovoltaic system is located is higher than the preset light intensity interval, the air-conditioning system consumes more electric energy by adjusting the set temperature of the air-conditioning system, and therefore the electric energy generated by the photovoltaic system is effectively utilized under the condition that the comfort degree of a user is guaranteed. The invention also discloses a photovoltaic air conditioning system.
Description
Technical field
The invention belongs to air conditioner controlling technology field, relate in particular to control method, control device and the photovoltaic air-conditioning system of photovoltaic air-conditioning system.
Background technology
Photovoltaic air-conditioning system comprises photovoltaic system and air-conditioning system.Wherein, photovoltaic system can utilize solar energy to produce electric energy to power for air-conditioning system.The electric energy power output of photovoltaic system is subject to the impact of illumination condition, and in the time that intensity of illumination is larger, the electric energy of photovoltaic system output is more, when intensity of illumination hour, the electric energy of photovoltaic system output is less.
The electric energy how effectively to utilize photovoltaic system to produce is those skilled in the art's problem demanding prompt solutions.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of control method and control device of photovoltaic air-conditioning system, so that the electric energy that effectively utilizes photovoltaic system to produce.The present invention also discloses a kind of photovoltaic air-conditioning system.
For achieving the above object, the invention provides following technical scheme:
The present invention discloses a kind of control method of photovoltaic air-conditioning system, and described photovoltaic air-conditioning system comprises photovoltaic system and air-conditioning system, and described control method comprises:
Determine the light intensity value of described photovoltaic system environment of living in;
More described light intensity value and default light intensity interval;
In the time that described light intensity value is interval higher than described light intensity, run on refrigeration mode and current design temperature higher than refrigeration mode minimum temperature in described air-conditioning system, reduce the design temperature of described air-conditioning system, run on heating mode and current design temperature lower than heating mode maximum temperature in described air-conditioning system, improve the design temperature of described air-conditioning system.
Preferably, in above-mentioned control method, after more described light intensity value and default light intensity interval, also comprise:
In the time that described light intensity value is interval lower than described light intensity, run on refrigeration mode and current design temperature lower than refrigeration mode maximum temperature in described air-conditioning system, improve the design temperature of described air-conditioning system, run on heating mode and current design temperature higher than heating mode minimum temperature in described air-conditioning system, reduce the design temperature of described air-conditioning system.
Preferably, in above-mentioned control method, described photovoltaic system is provided with multiple light intensity test devices, and described multiple light intensity test devices are positioned at diverse location, and the described light intensity value of determining described photovoltaic system environment of living in, comprising:
Obtain the light intensity value of described multiple light intensity test device outputs;
The mean value of multiple light intensity values that calculating gets, determines that described mean value is the light intensity value of described photovoltaic system environment of living in.
Preferably, in above-mentioned control method, described photovoltaic system is provided with multiple light intensity test devices, and described multiple light intensity test devices are positioned at diverse location, and the described light intensity value of determining described photovoltaic system environment of living in, comprising:
Obtain the light intensity value of described multiple light intensity test device outputs;
The mean value of other light intensity values in multiple light intensity values that calculating gets except minimum of a value, determines that described mean value is the light intensity value of described photovoltaic system environment of living in.
The present invention also discloses a kind of control device of photovoltaic air-conditioning system, and described photovoltaic air-conditioning system comprises photovoltaic system and air-conditioning system, and described control device comprises:
Light intensity value determining unit, for determining the light intensity value of described photovoltaic system environment of living in;
Comparing unit, for more described light intensity value and default light intensity interval;
The first control module, for in the time that described light intensity value is interval higher than described light intensity, run on refrigeration mode and current design temperature higher than refrigeration mode minimum temperature in described air-conditioning system, reduce the design temperature of described air-conditioning system, run on heating mode and current design temperature lower than heating mode maximum temperature in described air-conditioning system, improve the design temperature of described air-conditioning system.
Preferably, above-mentioned control device also comprises: the second control module, for in the time that described light intensity value is interval lower than described light intensity, run on refrigeration mode and current design temperature lower than refrigeration mode maximum temperature in described air-conditioning system, improve the design temperature of described air-conditioning system, run on heating mode and current design temperature higher than heating mode minimum temperature in described air-conditioning system, reduce the design temperature of described air-conditioning system.
Preferably, in above-mentioned control device, described photovoltaic system is provided with multiple light intensity test devices, and described multiple light intensity test devices are positioned at diverse location, and described light intensity value determining unit comprises the first light intensity value determination module;
Described the first light intensity value determination module obtains the light intensity value of described multiple light intensity test device outputs, calculates the mean value of the multiple light intensity values that get, and determines that described mean value is the light intensity value of described photovoltaic system environment of living in.
Preferably, in above-mentioned control device, described photovoltaic system is provided with multiple light intensity test devices, and described multiple light intensity test devices are positioned at diverse location, and described light intensity value determining unit comprises the second light intensity value determination module;
Described the second light intensity value determination module obtains the light intensity value of described multiple light intensity test device outputs, the mean value of other light intensity values in multiple light intensity values that calculating gets except minimum of a value, determines that described mean value is the light intensity value of described photovoltaic system environment of living in.
The present invention also discloses a kind of photovoltaic air-conditioning system, comprises photovoltaic system and air-conditioning system, also comprises above-mentioned any one control device.
As can be seen here, beneficial effect of the present invention is: the control method of photovoltaic air-conditioning system disclosed by the invention, first determine the light intensity value of photovoltaic system environment of living in, relatively this light intensity value and default light intensity interval afterwards, at this light intensity value higher than default light intensity interval, if air-conditioning system is in refrigeration mode, and current design temperature is higher than refrigeration mode minimum temperature, reduce the design temperature of air-conditioning system, if air-conditioning system is in heating mode, and current design temperature is lower than heating mode maximum temperature, improve the design temperature of air-conditioning system.The control method of photovoltaic air-conditioning system disclosed by the invention, at the light intensity value of photovoltaic system environment of living in higher than default light intensity interval, by adjusting the design temperature of air-conditioning system, so that obtain the more electric energy of air-conditioning system consumption, thereby the electric energy that effectively utilizes photovoltaic system to produce in the situation that ensureing users'comfort.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 is the flow chart of the control method of a kind of photovoltaic air-conditioning system disclosed by the invention;
Fig. 2 is the flow chart of the control method of another kind of photovoltaic air-conditioning system disclosed by the invention;
Fig. 3 is the structural representation of the control device of a kind of photovoltaic air-conditioning system disclosed by the invention;
Fig. 4 is the structural representation of the control device of another kind of photovoltaic air-conditioning system disclosed by the invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The present invention discloses a kind of control method of photovoltaic air-conditioning system, the electric energy that makes air-conditioning system can effectively utilize photovoltaic system to produce.Photovoltaic air-conditioning system comprises photovoltaic system and air-conditioning system.
Referring to Fig. 1, Fig. 1 is the flow chart of the control method of a kind of photovoltaic air-conditioning system disclosed by the invention.This control method comprises:
Step S11: the light intensity value of determining photovoltaic system environment of living in.
At photovoltaic system, light intensity test device is set, utilizes light intensity test device to carry out light intensity detection, and output intensity value.In enforcement, light intensity test device is arranged to the upside of solar panel in photovoltaic system, so that testing result is more accurate.
Step S12: the relatively light intensity value of photovoltaic system environment of living in and default light intensity interval, in the time that this light intensity value is interval higher than this light intensity, execution step S13.
Step S13: run on refrigeration mode and current design temperature higher than refrigeration mode minimum temperature in air-conditioning system, reduce the design temperature of air-conditioning system, run on heating mode and current design temperature lower than heating mode maximum temperature in air-conditioning system, improve the design temperature of air-conditioning system.
After determining the light intensity value of photovoltaic system environment of living in, relatively this light intensity value and default light intensity interval, afterwards according to the operation of comparative result and the current operational mode control air-conditioning system of air-conditioning system.
Along with the variation of sunshine intensity of illumination, indoor temperature is affected also by solar irradiation to raise or to reduce, and the electric energy of photovoltaic system output can change thereupon.In the time that intensity of illumination is larger, indoor temperature can raise, the electric energy of photovoltaic system output is also more, now by adjusting the design temperature of air-conditioning system, so that obtain the more electric energy of air-conditioning system consumption, thereby the electric energy that effectively utilizes photovoltaic system to produce, and can meet the requirement of user to indoor temperature comfortableness simultaneously.When air-conditioning system is during in refrigeration mode, if the current design temperature of air-conditioning system is higher than refrigeration mode minimum temperature, reduce the design temperature of air-conditioning system, reducing after the design temperature of air-conditioning system, air-conditioning system will consume more electric energy, the electric energy that effectively utilizes photovoltaic system to produce, also can increase the cold output of air-conditioning system simultaneously, raise to offset the indoor temperature causing because of solar illuminating strength increase, make user can not feel well or need manual adjustments design temperature because solar irradiation strengthens, both reduced user's operation, can realize again the object that air-conditioning system automatically regulates cold output and additionally do not consume public electric wire net electric energy according to outdoor temperature.Equally, when air-conditioning system is during in heating mode, if the current design temperature of air-conditioning system is lower than heating mode maximum temperature, improve the design temperature of air-conditioning, improving after the design temperature of air-conditioning system, air-conditioning system will consume more electric energy, the electric energy that effectively utilizes photovoltaic system to produce, in not increasing public electric wire net power consumption, can further improve indoor environment temperature, make user feel more comfortable.
Here it should be noted that, air-conditioning system prestores minimum temperature and the maximum temperature under refrigeration mode, in the time that the design temperature of air-conditioning system under refrigeration mode is between this maximum temperature and minimum temperature, can make indoor temperature present the temperature of suitable physical activity in current season (as summer).Equally, air-conditioning system prestores minimum temperature and the maximum temperature under heating mode, in the time that the design temperature of air-conditioning system under heating mode is between this maximum temperature and minimum temperature, can make indoor temperature present the temperature of suitable physical activity in current season (as winter).Minimum temperature and the maximum temperature of air-conditioning system under refrigeration mode, and minimum temperature and maximum temperature under heating mode, can be the original start of air-conditioning system, also can be set voluntarily by user.
The control method of photovoltaic air-conditioning system disclosed by the invention, first determine the light intensity value of photovoltaic system environment of living in, relatively this light intensity value and default light intensity interval afterwards, at this light intensity value higher than default light intensity interval, if air-conditioning system in refrigeration mode and current design temperature higher than refrigeration mode minimum temperature, reduce the design temperature of air-conditioning system, if air-conditioning system lower than heating mode maximum temperature, improves the design temperature of air-conditioning system in heating mode and current design temperature.The control method of photovoltaic air-conditioning system disclosed by the invention, at the light intensity value of photovoltaic system environment of living in higher than default light intensity interval, by adjusting the design temperature of air-conditioning system, so that obtain the more electric energy of air-conditioning system consumption, thereby the electric energy that effectively utilizes photovoltaic system to produce in the situation that ensureing or promote users'comfort, without the extra electric energy that consumes public electric wire net, realize the good combination of photovoltaic system and air-conditioning system.
Referring to Fig. 2, Fig. 2 is the flow chart of the control method of another kind of photovoltaic air-conditioning system disclosed by the invention.This control method comprises:
Step S21: the light intensity value of determining photovoltaic system environment of living in.
Step S22: the relatively light intensity value of photovoltaic system environment of living in and default light intensity interval, in the time that this light intensity value is interval higher than this light intensity, execution step S23, in the time that this light intensity value is interval lower than this light intensity, execution step S24.
Step S23: run on refrigeration mode and current design temperature higher than refrigeration mode minimum temperature in air-conditioning system, reduce the design temperature of air-conditioning system, run on heating mode and current design temperature lower than heating mode maximum temperature in air-conditioning system, improve the design temperature of air-conditioning system.
Step S24: run on refrigeration mode and current design temperature lower than refrigeration mode maximum temperature in air-conditioning system, improve the design temperature of air-conditioning system, run on heating mode and current design temperature higher than heating mode minimum temperature in air-conditioning system, reduce the design temperature of air-conditioning system.
In intensity of illumination hour, the electric energy of photovoltaic system output is also less, now by adjusting the design temperature of air-conditioning system so that air-conditioning system consumes less electric energy.When air-conditioning system is during in refrigeration mode, if the current design temperature of air-conditioning system is lower than refrigeration mode maximum temperature, improve the design temperature of air-conditioning system, because sunshine intensity of illumination reduces, indoor temperature can reduce, user also will reduce the demand of air-conditioning cold flow output, now suitably improving design temperature can not affect user's comfortableness, improving after the design temperature of air-conditioning system, the electric energy that air-conditioning system consumes reduces, thereby can reduce the power consumption to public electric wire net, even avoid consuming the electric energy of public electric wire net.When air-conditioning system is during in heating mode, if the current design temperature of air-conditioning system is higher than heating mode minimum temperature, reduce the design temperature of air-conditioning system, reducing after the design temperature of air-conditioning system, the electric energy that air-conditioning system consumes reduces.In the time that photovoltaic system can not meet the need for electricity of air-conditioning system, be that air-conditioning system is carried out auxiliary power supply by public electric wire net, by execution step, S24 can reduce the electric energy that air-conditioning system consumes, therefore in the case of a little less than illumination, cause photovoltaic system produce electric energy less, can reduce the electric energy that air-conditioning system is obtained from public electric wire net.
The control method of the photovoltaic air-conditioning system based on shown in Fig. 2 of the present invention, in the situation that the stronger photovoltaic system of illumination produces a large amount of electric energy, the electric energy that can effectively utilize photovoltaic system to produce, in the case of a little less than illumination, cause photovoltaic system produce electric energy less, can in the situation that ensureing users'comfort, reduce the electric energy that air-conditioning system consumes, thereby reduce the electric energy that air-conditioning system is obtained from public electric wire net, realize the good combination of photovoltaic system and air-conditioning system.
In enforcement, improve the design temperature of air-conditioning system, can be in the following ways: in refrigeration mode in the situation that, directly the design temperature of air-conditioning system is adjusted to refrigeration mode maximum temperature in air-conditioning system; In heating mode in the situation that, directly the design temperature of air-conditioning system is adjusted to heating mode maximum temperature in air-conditioning system.Reduce the design temperature of air-conditioning system, can be in the following ways: in refrigeration mode in the situation that, directly the design temperature of air-conditioning system is adjusted to refrigeration mode minimum temperature in air-conditioning system; In heating mode in the situation that, directly the design temperature of air-conditioning system is adjusted to heating mode minimum temperature in air-conditioning system.
Certainly, improve the design temperature of air-conditioning system and reduce the empty design temperature of putting forward system, can also adopt other modes.For example:
In the situation that air-conditioning system runs on refrigeration mode, the design temperature that reduces air-conditioning system comprises: obtain the current design temperature of air-conditioning system, the design temperature that calculations of air conditioner system is current and temperature are adjusted the difference of step-length, judge that whether this difference is lower than refrigeration mode minimum temperature, if, the design temperature of air-conditioning system is adjusted to refrigeration mode minimum temperature, otherwise, the design temperature of air-conditioning system is adjusted to this difference.
In the situation that air-conditioning system runs on refrigeration mode, the design temperature that improves air-conditioning system comprises: obtain the current design temperature of air-conditioning system, calculate that the current design temperature of calculations of air conditioner system and temperature are adjusted step-length and be worth, whether judgement should and be worth higher than refrigeration mode maximum temperature, if, the design temperature of air-conditioning system is adjusted to refrigeration mode maximum temperature, otherwise, the design temperature of air-conditioning system is adjusted to this and value.
In the situation that air-conditioning system runs on heating mode, the design temperature that reduces air-conditioning system comprises: obtain the current design temperature of air-conditioning system, the design temperature that calculations of air conditioner system is current and temperature are adjusted the difference of step-length, judge that whether this difference is lower than heating mode minimum temperature, if, the design temperature of air-conditioning system is adjusted to heating mode minimum temperature, otherwise, the design temperature of air-conditioning system is adjusted to this difference.
In the situation that air-conditioning system runs on heating mode, the design temperature that improves air-conditioning system comprises: obtain the current design temperature of air-conditioning system, calculate that the current design temperature of calculations of air conditioner system and temperature are adjusted step-length and be worth, whether judgement should and be worth higher than heating mode maximum temperature, if, the design temperature of air-conditioning system is adjusted to heating mode maximum temperature, otherwise, the design temperature of air-conditioning system is adjusted to this and value.
It should be noted that, it can be certain value that said temperature is adjusted step-length.As preferred embodiment, it is corresponding with the light intensity value of photovoltaic system environment of living in that temperature is adjusted step-length, for example: prestore multiple light intensity interval and temperature are adjusted the corresponding relation of step-length, determining after the light intensity value of photovoltaic system environment of living in, determine the residing light intensity of this light intensity value interval, determine corresponding temperature adjustment step-length according to the corresponding relation of the light intensity interval prestoring and temperature adjustment step-length afterwards, utilize afterwards the temperature getting to adjust the design temperature of step-length adjustment air-conditioning system.
In enforcement, in the time that photovoltaic system only arranges a light intensity test device, if there are foreign material to block this light intensity test device, can cause the light intensity value of light intensity test device output to occur deviation, in the follow-up process according to this light intensity value control air-conditioning system operation, just there will be deviation.
In order addressing the above problem, can multiple light intensity test devices to be set at photovoltaic system, and multiple light intensity test devices are arranged to diverse location.Accordingly, the follow-up light intensity value based on the output of multiple light intensity test devices is determined the light intensity value of photovoltaic system environment of living in, reduces thus and blocks the probability that light intensity test device causes occurring control deviation because of foreign material.
Be provided with multiple light intensity test devices at photovoltaic system, and multiple light intensity test device is positioned in the situation of diverse location, determines that the light intensity value of photovoltaic system environment of living in can adopt various ways.
For example: obtain the light intensity value of multiple light intensity test device outputs, calculate afterwards the mean value of the multiple light intensity values that get, determine that the mean value calculating is the light intensity value of photovoltaic system environment of living in.
For example: obtain the light intensity value of described multiple light intensity test device outputs, calculate afterwards the mean value of other light intensity values except minimum of a value in the multiple light intensity values that get, determine that the mean value calculating is the light intensity value of photovoltaic system environment of living in.
Based on the second implementation, after certain light intensity test device is blocked by foreign material, the light intensity value of this light intensity test device output will be far below the light intensity value of other light intensity test device outputs, in the process of light intensity value of determining photovoltaic system environment of living in, reject this abnormal data, thereby make the light intensity value of the photovoltaic system environment of living in calculating more accurate, the corresponding follow-up control for air-conditioning system is also more accurate.
In addition, in above-mentioned disclosed each control method of the present invention, in the time that the light intensity value of photovoltaic system environment of living in is positioned at default light intensity interval, can controls air-conditioning system and maintain current design temperature continuation operation.
The above-mentioned control method that discloses photovoltaic air-conditioning system of the present invention, corresponding, the present invention also discloses the control device of photovoltaic air-conditioning system, to realize above-mentioned control method.
Referring to Fig. 3, Fig. 3 is the structural representation of the control device of a kind of photovoltaic air-conditioning system disclosed by the invention.This control device comprises light intensity value determining unit 100, comparing unit 200 and the first control module 300.
Wherein:
Light intensity value determining unit 100, for determining the light intensity value of photovoltaic system environment of living in.At photovoltaic system, light intensity test device is set, utilizes light intensity test device to carry out light intensity detection, and output intensity value.In enforcement, light intensity test device is arranged to the upside of solar panel in photovoltaic system, so that testing result is more accurate.
Comparing unit 200, the light intensity value of determining for comparison light intensity value determining unit 100 and default light intensity interval.
The first control module 300, for in the time that light intensity value is interval higher than light intensity, run on refrigeration mode and current design temperature higher than refrigeration mode minimum temperature in air-conditioning system, reduce the design temperature of air-conditioning system, run on heating mode and current design temperature lower than heating mode maximum temperature in air-conditioning system, improve the design temperature of air-conditioning system.
The control device of photovoltaic air-conditioning system disclosed by the invention, light intensity value determining unit 100 is determined the light intensity value of photovoltaic system environment of living in, relatively this light intensity value and default light intensity interval of comparing unit 200 afterwards, at this light intensity value higher than default light intensity interval, if air-conditioning system is in refrigeration mode, and current design temperature is higher than refrigeration mode minimum temperature, the first control module 300 reduces the design temperature of air-conditioning system, if air-conditioning system is in heating mode, and current design temperature is lower than heating mode maximum temperature, the first control module 300 improves the design temperature of air-conditioning system.The control device of photovoltaic air-conditioning system disclosed by the invention, at the light intensity value of photovoltaic system environment of living in higher than default light intensity interval, by adjusting the design temperature of air-conditioning system, so that obtain the more electric energy of air-conditioning system consumption, thereby the electric energy that effectively utilizes photovoltaic system to produce in the situation that ensureing or promote users'comfort, without the extra electric energy that consumes public electric wire net, realize the good combination of photovoltaic system and air-conditioning system.。
Referring to Fig. 4, Fig. 4 is the structural representation of the control device of another kind of photovoltaic air-conditioning system disclosed by the invention.This control device comprises light intensity value determining unit 100, comparing unit 200, the first control module 300 and the second control module 400.
Wherein:
Light intensity value determining unit 100, for determining the light intensity value of photovoltaic system environment of living in.
Comparing unit 200, the light intensity value of determining for comparison light intensity value determining unit 100 and default light intensity interval.
The first control module 300, for in the time that light intensity value is interval higher than light intensity, run on refrigeration mode and current design temperature higher than refrigeration mode minimum temperature in air-conditioning system, reduce the design temperature of air-conditioning system, run on heating mode and current design temperature lower than heating mode maximum temperature in air-conditioning system, improve the design temperature of air-conditioning system.
The second control module 400, for in the time that light intensity value is interval lower than light intensity, run on refrigeration mode and current design temperature lower than refrigeration mode maximum temperature in air-conditioning system, improve the design temperature of air-conditioning system, run on heating mode and current design temperature higher than heating mode minimum temperature in air-conditioning system, reduce the design temperature of air-conditioning system.
The control device of the photovoltaic air-conditioning system based on shown in Fig. 4 of the present invention, in the situation that the stronger photovoltaic system of illumination produces a large amount of electric energy, the electric energy that can effectively utilize photovoltaic system to produce, in the case of a little less than illumination, cause photovoltaic system produce electric energy less, can in the situation that ensureing users'comfort, reduce the electric energy that air-conditioning system consumes, thereby reduce the electric energy that air-conditioning system is obtained from public electric wire net, realize the good combination of photovoltaic system and air-conditioning system.
In addition, the first control module 300 and the second control module 400 improve the process of the design temperature of air-conditioning system, and the process of the design temperature of reduction air-conditioning system can, referring to description above, no longer repeat here.
In enforcement, be provided with multiple light intensity test devices at photovoltaic system, and multiple light intensity test devices are positioned in the situation of diverse location, the light intensity value that light intensity value determining unit 100 can be exported based on multiple light intensity test devices is determined the light intensity value of photovoltaic system environment of living in.
For example: light intensity value determining unit 100 comprises the first light intensity value determination module.The first light intensity value determination module obtains the light intensity value of multiple light intensity test device outputs, calculates the mean value of the multiple light intensity values that get, and determines that mean value is the light intensity value of photovoltaic system environment of living in.
Or light intensity value determining unit 100 comprises the second light intensity value determination module.The second light intensity value determination module obtains the light intensity value of multiple light intensity test device outputs, calculates the mean value of other light intensity values except minimum of a value in the multiple light intensity values that get, and determines that mean value is the light intensity value of photovoltaic system environment of living in.
The present invention also discloses a kind of photovoltaic air-conditioning system, comprises photovoltaic system and air-conditioning system, and comprises above-mentioned disclosed any one control device of the present invention.In photovoltaic air-conditioning system disclosed by the invention, the electric energy that air-conditioning system can effectively utilize photovoltaic system to produce.
Finally, also it should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.For the disclosed device of embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates referring to method part.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a control method for photovoltaic air-conditioning system, described photovoltaic air-conditioning system comprises photovoltaic system and air-conditioning system, it is characterized in that, described control method comprises:
Determine the light intensity value of described photovoltaic system environment of living in;
More described light intensity value and default light intensity interval;
In the time that described light intensity value is interval higher than described light intensity, run on refrigeration mode and current design temperature higher than refrigeration mode minimum temperature in described air-conditioning system, reduce the design temperature of described air-conditioning system, run on heating mode and current design temperature lower than heating mode maximum temperature in described air-conditioning system, improve the design temperature of described air-conditioning system.
2. control method according to claim 1, is characterized in that, after more described light intensity value and default light intensity interval, also comprises:
In the time that described light intensity value is interval lower than described light intensity, run on refrigeration mode and current design temperature lower than refrigeration mode maximum temperature in described air-conditioning system, improve the design temperature of described air-conditioning system, run on heating mode and current design temperature higher than heating mode minimum temperature in described air-conditioning system, reduce the design temperature of described air-conditioning system.
3. control method according to claim 1 and 2, is characterized in that, described photovoltaic system is provided with multiple light intensity test devices, and described multiple light intensity test devices are positioned at diverse location, and the described light intensity value of determining described photovoltaic system environment of living in, comprising:
Obtain the light intensity value of described multiple light intensity test device outputs;
The mean value of multiple light intensity values that calculating gets, determines that described mean value is the light intensity value of described photovoltaic system environment of living in.
4. control method according to claim 1 and 2, is characterized in that, described photovoltaic system is provided with multiple light intensity test devices, and described multiple light intensity test devices are positioned at diverse location, and the described light intensity value of determining described photovoltaic system environment of living in, comprising:
Obtain the light intensity value of described multiple light intensity test device outputs;
The mean value of other light intensity values in multiple light intensity values that calculating gets except minimum of a value, determines that described mean value is the light intensity value of described photovoltaic system environment of living in.
5. a control device for photovoltaic air-conditioning system, described photovoltaic air-conditioning system comprises photovoltaic system and air-conditioning system, it is characterized in that, described control device comprises:
Light intensity value determining unit, for determining the light intensity value of described photovoltaic system environment of living in;
Comparing unit, for more described light intensity value and default light intensity interval;
The first control module, for in the time that described light intensity value is interval higher than described light intensity, run on refrigeration mode and current design temperature higher than refrigeration mode minimum temperature in described air-conditioning system, reduce the design temperature of described air-conditioning system, run on heating mode and current design temperature lower than heating mode maximum temperature in described air-conditioning system, improve the design temperature of described air-conditioning system.
6. control device according to claim 5, is characterized in that, also comprises:
The second control module, for in the time that described light intensity value is interval lower than described light intensity, run on refrigeration mode and current design temperature lower than refrigeration mode maximum temperature in described air-conditioning system, improve the design temperature of described air-conditioning system, run on heating mode and current design temperature higher than heating mode minimum temperature in described air-conditioning system, reduce the design temperature of described air-conditioning system.
7. according to the control device described in claim 5 or 6, it is characterized in that, described photovoltaic system is provided with multiple light intensity test devices, and described multiple light intensity test devices are positioned at diverse location, and described light intensity value determining unit comprises the first light intensity value determination module;
Described the first light intensity value determination module obtains the light intensity value of described multiple light intensity test device outputs, calculates the mean value of the multiple light intensity values that get, and determines that described mean value is the light intensity value of described photovoltaic system environment of living in.
8. according to the control device described in claim 5 or 6, it is characterized in that, described photovoltaic system is provided with multiple light intensity test devices, and described multiple light intensity test devices are positioned at diverse location, and described light intensity value determining unit comprises the second light intensity value determination module;
Described the second light intensity value determination module obtains the light intensity value of described multiple light intensity test device outputs, the mean value of other light intensity values in multiple light intensity values that calculating gets except minimum of a value, determines that described mean value is the light intensity value of described photovoltaic system environment of living in.
9. a photovoltaic air-conditioning system, comprises photovoltaic system and air-conditioning system, it is characterized in that, also comprises the control device as described in any one in claim 5 to 8.
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| CN201410353878.3A CN104089378B (en) | 2014-07-23 | 2014-07-23 | Control method and control device of photovoltaic air conditioning system and photovoltaic air conditioning system |
| PCT/CN2015/084852 WO2016011954A1 (en) | 2014-07-23 | 2015-07-22 | Control method and control device for photovoltaic air conditioning system, and photovoltaic air conditioning system |
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| CN201410353878.3A CN104089378B (en) | 2014-07-23 | 2014-07-23 | Control method and control device of photovoltaic air conditioning system and photovoltaic air conditioning system |
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| CN107917502B (en) * | 2017-11-13 | 2020-06-19 | 广东美的制冷设备有限公司 | Solar air conditioner control method and solar air conditioner |
| CN109899941A (en) * | 2019-03-26 | 2019-06-18 | 安徽鼎博新能源科技发展有限公司 | A kind of photovoltaic power generation intelligent control temperature system and its temperature adjusting method |
| CN110068114A (en) * | 2019-04-24 | 2019-07-30 | 上海交通大学 | Photovoltaic variable frequency air conditioner power control method and control device |
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Also Published As
| Publication number | Publication date |
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| CN104089378B (en) | 2016-10-05 |
| WO2016011954A1 (en) | 2016-01-28 |
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