CN104089378B - 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 PDF

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Publication number
CN104089378B
CN104089378B CN201410353878.3A CN201410353878A CN104089378B CN 104089378 B CN104089378 B CN 104089378B CN 201410353878 A CN201410353878 A CN 201410353878A CN 104089378 B CN104089378 B CN 104089378B
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light intensity
air
conditioning system
intensity value
temperature
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CN104089378A (en
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明开云
董玉红
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Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Energy Environment Technology Co Ltd
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Gree Electric Appliances Inc of Zhuhai
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Priority to PCT/CN2015/084852 priority patent/WO2016011954A1/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)

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

The control method of PV air-conditioner system, control device and PV air-conditioner system
Technical field
The invention belongs to air conditioner controlling technology field, particularly relate to control method, the control of PV air-conditioner system Device processed and PV air-conditioner system.
Background technology
PV air-conditioner system includes photovoltaic system and air-conditioning system.Wherein, photovoltaic system can utilize the sun Can produce electric energy is that air-conditioning system is powered.The electric energy power output of photovoltaic system is affected by illumination condition, When intensity of illumination is bigger, the electric energy of photovoltaic system output is more, when intensity of illumination is less, and photovoltaic system The electric energy of system output is less.
The patent of invention of Application No. 201310222134.3 discloses a kind of large-scale environment-friendly integrated heat pump system, The power source supply end of this large-scale environment-friendly integrated heat pump system includes solar power supply circuit, AC-powered electricity Road and backup battery power supply circuits, wherein in illuminance ideally, by solar power supply circuit For system power supply, in the case that rainy weather or illuminance are inadequate, by AC-powered circuit for being System power supply, commercial power supply and solar powered all abnormal when, be system power supply by backup battery. But, above-mentioned large-scale environment-friendly integrated heat pump system is only the extensive Land use systems of a kind of comparison to luminous energy.
How effectively to utilize electric energy produced by photovoltaic system, be urgently to be resolved hurrily the asking of those skilled in the art Topic.
Content of the invention
In view of this, it is an object of the invention to provide control method and the control of a kind of PV air-conditioner system Device, in order to effectively utilize the electric energy that photovoltaic system produces.Invention additionally discloses a kind of PV air-conditioner system.
For achieving the above object, the present invention provides following technical scheme:
The present invention discloses the control method of a kind of PV air-conditioner system, and described PV air-conditioner system includes photovoltaic System and air-conditioning system, described control method includes:
Determine the light intensity value of described photovoltaic system local environment;
Relatively more described light intensity value and the light intensity preset are interval;
When described light intensity value is interval higher than described light intensity, described air-conditioning system run on refrigeration mode, And current design temperature higher than refrigeration mode minimum temperature in the case of, reduce setting of described air-conditioning system Fixed temperature, runs on heating mode and current design temperature less than heating mode in described air-conditioning system In the case of maximum temperature, improve the design temperature of described air-conditioning system.
Preferably, in above-mentioned control method, after more described light intensity value and the light intensity preset are interval, Also include:
When described light intensity value is interval less than described light intensity, described air-conditioning system run on refrigeration mode, And current design temperature less than refrigeration mode maximum temperature in the case of, improve setting of described air-conditioning system Fixed temperature, runs on heating mode and current design temperature higher than heating mode in described air-conditioning system In the case of minimum temperature, 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 device, institute State multiple light intensity test device and be positioned at diverse location, the light intensity of described determination described photovoltaic system local environment Value, comprising:
Obtain the light intensity value of the plurality of light intensity test device output;
Calculate the mean value of the multiple light intensity values getting, determine that described mean value is described photovoltaic system institute The light intensity value of place's environment.
Preferably, in above-mentioned control method, described photovoltaic system is provided with multiple light intensity test device, institute State multiple light intensity test device and be positioned at diverse location, the light intensity of described determination described photovoltaic system local environment Value, comprising:
Obtain the light intensity value of the plurality of light intensity test device output;
Calculate the mean value of other light intensity values in addition to minimum of a value in the multiple light intensity values getting, determine Described mean value is the light intensity value of described photovoltaic system local environment.
Invention additionally discloses the control device of a kind of PV air-conditioner system, described PV air-conditioner system includes light Volt system and air-conditioning system, described control device includes:
Light intensity value determining unit, for determining the light intensity value of described photovoltaic system local environment;
Comparing unit, interval for relatively more described light intensity value and the light intensity preset;
First control unit, for when described light intensity value is interval higher than described light intensity, in described air-conditioning system In the case that system runs on refrigeration mode and current design temperature higher than refrigeration mode minimum temperature, fall The design temperature of low described air-conditioning system, runs on heating mode and current setting in described air-conditioning system In the case that fixed temperature is less than heating mode maximum temperature, improve the design temperature of described air-conditioning system.
Preferably, above-mentioned control device also includes: the second control unit, for being less than when described light intensity value When described light intensity is interval, run on refrigeration mode and current design temperature is less than in described air-conditioning system In the case of refrigeration mode maximum temperature, improve the design temperature of described air-conditioning system, in described air-conditioning system In the case that system runs on heating mode and current design temperature higher than heating mode minimum temperature, fall The design temperature of low described air-conditioning system.
Preferably, in above-mentioned control device, described photovoltaic system is provided with multiple light intensity test device, institute Stating multiple light intensity test device and being positioned at diverse location, described light intensity value determining unit includes that the first light intensity value is true Cover half block;
Described first light intensity value determining module obtains the light intensity value of the plurality of light intensity test device output, meter The mean value of the multiple light intensity values getting, determines that described mean value is described photovoltaic system local environment Light intensity value.
Preferably, in above-mentioned control device, described photovoltaic system is provided with multiple light intensity test device, institute Stating multiple light intensity test device and being positioned at diverse location, described light intensity value determining unit includes that the second light intensity value is true Cover half block;
Described second light intensity value determining module obtains the light intensity value of the plurality of light intensity test device output, meter The mean value of other light intensity values in addition to minimum of a value in the multiple light intensity values getting, determines described flat Average is the light intensity value of described photovoltaic system local environment.
Invention additionally discloses a kind of PV air-conditioner system, including photovoltaic system and air-conditioning system, also include State any one control device.
As can be seen here, the invention have the benefit that the controlling party of PV air-conditioner system disclosed by the invention Method, it is first determined the light intensity value of photovoltaic system local environment, compares this light intensity value and the light intensity preset afterwards Interval, in the case that this light intensity value is interval higher than the light intensity preset, if air-conditioning system is in refrigeration mould Formula and current design temperature are higher than refrigeration mode minimum temperature, then reduce the design temperature of air-conditioning system, If air-conditioning system is in heating mode and current design temperature is less than heating mode maximum temperature, then Improve the design temperature of air-conditioning system.The control method of PV air-conditioner system disclosed by the invention, at photovoltaic In the case that the light intensity value of system local environment is interval higher than the light intensity preset, by adjusting air-conditioning system Design temperature, so that air-conditioning system consumes more electric energy, thus is ensureing the situation of users'comfort Effectively utilize down the electric energy that photovoltaic system produces.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality The accompanying drawing executing required use in example or description of the prior art is briefly described, it should be apparent that below, Accompanying drawing in description is only embodiments of the invention, for those of ordinary skill in the art, not On the premise of paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing providing.
Fig. 1 is the flow chart of the control method of a kind of PV air-conditioner system disclosed by the invention;
Fig. 2 is the flow chart of the control method of another kind of PV air-conditioner system disclosed by the invention;
Fig. 3 is the structural representation of the control device of a kind of PV air-conditioner system disclosed by the invention;
Fig. 4 is the structural representation of the control device of another kind of PV air-conditioner 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 carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing The every other embodiment being obtained under the premise of going out creative work, broadly falls into the scope of protection of the invention.
The present invention discloses the control method of a kind of PV air-conditioner system so that air-conditioning system can effectively utilize The electric energy that photovoltaic system produces.PV air-conditioner system includes photovoltaic system and air-conditioning system.
Seeing Fig. 1, Fig. 1 is the flow chart of the control method of a kind of PV air-conditioner system disclosed by the invention. This control method includes:
Step S11: determine the light intensity value of photovoltaic system local environment.
Light intensity test device is set at photovoltaic system, utilizes light intensity test device to carry out light-intensity test, and defeated Go out light intensity value.In enforcement, light intensity test device is arranged at the upside of solar panel in photovoltaic system, So that testing result is more accurate.
Step S12: the light intensity value comparing photovoltaic system local environment and the light intensity preset are interval, when this light intensity When value is interval higher than this light intensity, step S13.
Step S13: run on refrigeration mode and current design temperature higher than refrigeration mode in air-conditioning system In the case of minimum temperature, reduce air-conditioning system design temperature, air-conditioning system run on heating mode, And current design temperature less than heating mode maximum temperature in the case of, improve air-conditioning system setting temperature Degree.
After determining the light intensity value of photovoltaic system local environment, compare this light intensity value and the light intensity district presetting Between, control the operation of air-conditioning system afterwards according to the current operational mode of comparative result and air-conditioning system.
With the change of sunshine intensity of illumination, indoor temperature is affected by solar irradiation also can be raised and lowered, The electric energy of photovoltaic system output can change therewith.When intensity of illumination is bigger, indoor temperature can raise, light The electric energy of volt system output is also more, now by the design temperature adjusting air-conditioning system, so that air-conditioning The more electric energy of system consumption, thus effectively utilize the electric energy that photovoltaic system produces, and can meet simultaneously The requirement to indoor temperature comfortableness for the user.When air-conditioning system is in refrigeration mode, if air-conditioning system Current design temperature is higher than refrigeration mode minimum temperature, then reduce the design temperature of air-conditioning system, in fall After the design temperature of low air-conditioning system, air-conditioning system will consume more electric energy, effectively utilize photovoltaic system The electric energy producing, also can increase the cold output of air-conditioning system, to offset because of solar illuminating intensity simultaneously Increase the indoor temperature causing to raise so that user will not feel well because solar irradiation strengthens or need Manually regulation design temperature, had both reduced the operation of user, can realize again air-conditioning system according to outdoor temperature certainly Dynamic regulation cold output and the purpose additionally not consuming public electric wire net electric energy.Equally, when air-conditioning system is in During heating mode, if the current design temperature of air-conditioning system is less than heating mode maximum temperature, then improve The design temperature of air-conditioning, after the design temperature improving air-conditioning system, air-conditioning system will consume more electricity Can, effectively utilize the electric energy that photovoltaic system produces, can while not increasing public electric wire net power consumption Improve indoor environment temperature further so that user feels more comfortable.
Needing exist for explanation, air-conditioning system prestores minimum temperature and maximum temperature under refrigeration mode, When air-conditioning system design temperature in cooling mode is between this maximum temperature and minimum temperature, energy Indoor temperature is enough made to present the temperature of the suitable physical activity of current season (such as summer).Equally, air-conditioning System prestores minimum temperature and maximum temperature under heating mode, when air-conditioning system in a heating mode When design temperature is between this maximum temperature and minimum temperature, enables to indoor temperature and present current season The temperature of the suitable physical activity of joint (such as winter).Air-conditioning system minimum temperature in cooling mode and High-temperature, and minimum temperature in a heating mode and maximum temperature, can be the original of air-conditioning system Set, it is also possible to by user's sets itself.
The control method of PV air-conditioner system disclosed by the invention, it is first determined photovoltaic system local environment Light intensity value, compares this light intensity value afterwards and the light intensity preset is interval, at this light intensity value higher than the light intensity preset In the case of interval, if air-conditioning system is in refrigeration mode and current design temperature higher than refrigeration mould Formula minimum temperature, then reduce air-conditioning system design temperature, if air-conditioning system be in heating mode and Current design temperature is less than heating mode maximum temperature, then improve the design temperature of air-conditioning system.This The control method of bright disclosed PV air-conditioner system, the light intensity value in photovoltaic system local environment is higher than to be preset Light intensity interval in the case of, by adjusting the design temperature of air-conditioning system, so that air-conditioning system consumption More electric energy, thus effectively utilize photovoltaic system to produce in the case of ensureing or promote users'comfort Electric energy, it is not necessary to the extra electric energy consuming public electric wire net, it is achieved the good knot of photovoltaic system and air-conditioning system Close.
Seeing Fig. 2, Fig. 2 is the flow chart of the control method of another kind of PV air-conditioner system disclosed by the invention. This control method includes:
Step S21: determine the light intensity value of photovoltaic system local environment.
Step S22: the light intensity value comparing photovoltaic system local environment and the light intensity preset are interval, when this light intensity When value is interval higher than this light intensity, step S23, when this light intensity value is interval less than this light intensity, perform step Rapid S24.
Step S23: run on refrigeration mode and current design temperature higher than refrigeration mode in air-conditioning system In the case of minimum temperature, reduce air-conditioning system design temperature, air-conditioning system run on heating mode, And current design temperature less than heating mode maximum temperature in the case of, improve air-conditioning system setting temperature Degree.
Step S24: run on refrigeration mode and current design temperature less than refrigeration mode in air-conditioning system In the case of maximum temperature, improve air-conditioning system design temperature, air-conditioning system run on heating mode, And current design temperature higher than heating mode minimum temperature in the case of, reduce air-conditioning system setting temperature Degree.
When intensity of illumination is less, the electric energy of photovoltaic system output is also less, now by adjustment air-conditioning system The design temperature of system, so that air-conditioning system consumes less electric energy.When air-conditioning system is in refrigeration mode When, if the current design temperature of air-conditioning system is less than refrigeration mode maximum temperature, then improve air-conditioning system Design temperature, due to sunshine intensity of illumination reduce, indoor temperature can reduce, and user is to air-conditioning cold flow The demand of output also will reduce, and now properly increase design temperature and does not interferes with the comfortableness of user, carry After the design temperature of high air-conditioning system, the electric energy that air-conditioning system consumes reduces, such that it is able to reduce to public The power consumption of electrical network, even avoids consuming the electric energy of public electric wire net.When air-conditioning system is in heating mode When, if the current design temperature of air-conditioning system is higher than heating mode minimum temperature, then reduce air-conditioning system Design temperature, reduce air-conditioning system design temperature after, air-conditioning system consume electric energy reduce.When It when photovoltaic system can not meet the need for electricity of air-conditioning system, is that air-conditioning system assists by public electric wire net Power supply, can reduce, by step S24, the electric energy that air-conditioning system consumes, therefore cause illumination is more weak Photovoltaic system produce electric energy less in the case of, it is possible to reduce the electricity that air-conditioning system obtains from public electric wire net Energy.
Based on the control method of the PV air-conditioner system shown in Fig. 2 of the present invention, produce at the stronger photovoltaic system of illumination In the case of raw a large amount of electric energy, can effectively utilize the electric energy that photovoltaic system produces, cause illumination is more weak Photovoltaic system produce electric energy less in the case of, can ensure users'comfort in the case of reduce sky The electric energy that adjusting system consumes, thus reduce the electric energy that air-conditioning system obtains from public electric wire net, it is achieved photovoltaic system System and the good combination of air-conditioning system.
In enforcement, improve the design temperature of air-conditioning system, can be in the following ways: at air-conditioning system In the case of refrigeration mode, directly adjust the design temperature of air-conditioning system to refrigeration mode maximum temperature; In the case that air-conditioning system is in heating mode, directly the design temperature of air-conditioning system is adjusted to heating Pattern maximum temperature.Reduce the design temperature of air-conditioning system, can be in the following ways: in air-conditioning system In the case of being in refrigeration mode, directly adjust the design temperature of air-conditioning system to refrigeration mode lowest temperature Degree;In the case that air-conditioning system is in heating mode, directly the design temperature of air-conditioning system is adjusted to Heating mode minimum temperature.
Certainly, improve the design temperature of air-conditioning system and reduction sky carries the design temperature of system, all right Adopt in other ways.For example:
In the case that air-conditioning system runs on refrigeration mode, the design temperature reducing air-conditioning system includes: Obtaining the current design temperature of air-conditioning system, the current design temperature of calculations of air conditioner system adjusts step with temperature Long difference, it is judged that whether this difference is less than refrigeration mode minimum temperature, if so, then by air-conditioning system Design temperature adjusts to refrigeration mode minimum temperature, otherwise, adjusts the design temperature of air-conditioning system to this Difference.
In the case that air-conditioning system runs on refrigeration mode, the design temperature improving air-conditioning system includes: Obtain the current design temperature of air-conditioning system, calculate the current design temperature of calculations of air conditioner system and adjust with temperature Synchronizing length and value, it is judged that should and value whether be higher than refrigeration mode maximum temperature, if so, then by air-conditioning system The design temperature of system adjusts to refrigeration mode maximum temperature, otherwise, adjusts the design temperature of air-conditioning system Extremely should and be worth.
In the case that air-conditioning system runs on heating mode, the design temperature reducing air-conditioning system includes: Obtaining the current design temperature of air-conditioning system, the current design temperature of calculations of air conditioner system adjusts step with temperature Long difference, it is judged that whether this difference is less than heating mode minimum temperature, if so, then by air-conditioning system Design temperature adjusts to heating mode minimum temperature, otherwise, adjusts the design temperature of air-conditioning system to this Difference.
In the case that air-conditioning system runs on heating mode, the design temperature improving air-conditioning system includes: Obtain the current design temperature of air-conditioning system, calculate the current design temperature of calculations of air conditioner system and adjust with temperature Synchronizing length and value, it is judged that should and value whether be higher than heating mode maximum temperature, if so, then by air-conditioning system The design temperature of system adjusts to heating mode maximum temperature, otherwise, adjusts the design temperature of air-conditioning system Extremely should and be worth.
It should be noted that it can be certain value that said temperature adjusts step-length.Preferably, It is corresponding with the light intensity value of photovoltaic system local environment, for example that temperature adjusts step-length: prestore multiple light intensity district Between with temperature adjust step-length corresponding relation, determine photovoltaic system local environment light intensity value after, determine Light intensity residing for this light intensity value is interval, and interval according to the light intensity prestoring afterwards and temperature adjusts the correspondence of step-length Relation determines that corresponding temperature adjusts step-length, utilizes the temperature getting to adjust step-length afterwards and adjusts air-conditioning system The design temperature of system.
In enforcement, when photovoltaic system only arranges a light intensity test device, if there being foreign material to block this light Strong detection device, there is deviation in the light intensity value that light intensity test device can be caused to export, follow-up according to this light intensity Value control air-conditioning system arises that deviation during running.
In order to solve the problems referred to above, multiple light intensity test device can be set at photovoltaic system, and will be many Individual light intensity test device is arranged at diverse location.Accordingly, follow-up based on the output of multiple light intensity test devices Light intensity value determine the light intensity value of photovoltaic system local environment, thus reduce because foreign material block light-intensity test dress Put the probability causing that control deviation occurs.
Photovoltaic system is provided with multiple light intensity test device, and multiple light intensity test device is positioned at difference In the case of position, determine that the light intensity value of photovoltaic system local environment can use various ways.
For example: obtain the light intensity value of multiple light intensity test device output, calculate the multiple light getting afterwards The mean value of intensity values, determines the light intensity value that calculated mean value is photovoltaic system local environment.
For example: obtaining the light intensity value of the plurality of light intensity test device output, calculating afterwards gets many The mean value of other light intensity values in addition to minimum of a value in individual light intensity value, determines that calculated mean value is The light intensity value of photovoltaic system local environment.
Based on the second implementation, after certain light intensity test device is blocked by foreign material, this light-intensity test The light intensity value of device output will determine photovoltaic far below the light intensity value of other light intensity test devices output During the light intensity value of system local environment, reject this abnormal data, so that be calculated The light intensity value of photovoltaic system local environment more accurate, the follow-up accordingly control for air-conditioning system is also More accurate.
In addition, in the present invention each control method disclosed above, when the light of photovoltaic system local environment When intensity values is positioned at default light intensity interval, air-conditioning system can be controlled and maintain current design temperature to continue fortune OK.
The control method of PV air-conditioner system that the present invention is disclosed above, accordingly, invention additionally discloses light The control device of volt air-conditioning system, to realize above-mentioned control method.
Seeing Fig. 3, Fig. 3 is the structural representation of the control device of a kind of PV air-conditioner system disclosed by the invention Figure.This control device includes light intensity value determining unit the 100th, comparing unit 200 and the first control unit 300.
Wherein:
Light intensity value determining unit 100, for determining the light intensity value of photovoltaic system local environment.At photovoltaic system Light intensity test device is set, utilizes light intensity test device to carry out light-intensity test, and output intensity value.Implement In, light intensity test device is arranged at the upside of solar panel in photovoltaic system, so that testing result More accurate.
Comparing unit 200, for comparing light intensity value and the light preset that light intensity value determining unit 100 is determined Strong interval.
First control unit 300, for when light intensity value is interval higher than light intensity, running on system in air-conditioning system In the case that chill formula and current design temperature are higher than refrigeration mode minimum temperature, reduce air-conditioning system Design temperature, run on heating mode and current design temperature in air-conditioning system and be less than heating mode In the case of maximum temperature, improve the design temperature of air-conditioning system.
The control device of PV air-conditioner system disclosed by the invention, light intensity value determining unit 100 determines photovoltaic system The light intensity value of system local environment, comparing unit 200 compares this light intensity value and the light intensity preset is interval afterwards, In the case that this light intensity value is interval higher than the light intensity preset, if air-conditioning system is in refrigeration mode and works as Front design temperature is higher than refrigeration mode minimum temperature, then the first control unit 300 reduces setting of air-conditioning system Fixed temperature, if to be in heating mode and current design temperature the highest less than heating mode for air-conditioning system Temperature, then the first control unit 300 improves the design temperature of air-conditioning system.PV air-conditioner disclosed by the invention The control device of system, the situation interval higher than the light intensity preset of the light intensity value in photovoltaic system local environment Under, by adjusting the design temperature of air-conditioning system, so that air-conditioning system consumes more electric energy, thus Effectively utilize the electric energy that photovoltaic system produces in the case of ensureing or promote users'comfort, it is not necessary to extra Consume the electric energy of public electric wire net, it is achieved the good combination of photovoltaic system and air-conditioning system..
Seeing Fig. 4, Fig. 4 is that the structure of the control device of another kind of PV air-conditioner system disclosed by the invention is shown It is intended to.This control device includes light intensity value determining unit the 100th, comparing unit the 200th, the first control unit 300 With the second control unit 400.
Wherein:
Light intensity value determining unit 100, for determining the light intensity value of photovoltaic system local environment.
Comparing unit 200, for comparing light intensity value and the light preset that light intensity value determining unit 100 is determined Strong interval.
First control unit 300, for when light intensity value is interval higher than light intensity, running on system in air-conditioning system In the case that chill formula and current design temperature are higher than refrigeration mode minimum temperature, reduce air-conditioning system Design temperature, run on heating mode and current design temperature in air-conditioning system and be less than heating mode In the case of maximum temperature, improve the design temperature of air-conditioning system.
Second control unit 400, for when light intensity value is interval less than light intensity, running on system in air-conditioning system In the case that chill formula and current design temperature are less than refrigeration mode maximum temperature, improve air-conditioning system Design temperature, run on heating mode and current design temperature in air-conditioning system and be higher than heating mode In the case of minimum temperature, reduce the design temperature of air-conditioning system.
Based on the control device of the PV air-conditioner system shown in Fig. 4 of the present invention, produce at the stronger photovoltaic system of illumination In the case of raw a large amount of electric energy, can effectively utilize the electric energy that photovoltaic system produces, cause illumination is more weak Photovoltaic system produce electric energy less in the case of, can ensure users'comfort in the case of reduce sky The electric energy that adjusting system consumes, thus reduce the electric energy that air-conditioning system obtains from public electric wire net, it is achieved photovoltaic system System and the good combination of air-conditioning system.
In addition, the first control unit 300 and the second control unit 400 improve the design temperature of air-conditioning system Process, and the process of design temperature reducing air-conditioning system may refer to description above, here not Repeat again.
In enforcement, photovoltaic system is provided with multiple light intensity test device, and multiple light intensity test device In the case of being positioned at diverse location, light intensity value determining unit 100 can be defeated based on multiple light intensity test devices The light intensity value going out determines the light intensity value of photovoltaic system local environment.
For example: light intensity value determining unit 100 includes the first light intensity value determining module.First light intensity value determines Module obtains the light intensity value of multiple light intensity test device output, calculates the average of the multiple light intensity values getting Value, determines the light intensity value that mean value is photovoltaic system local environment.
Or, light intensity value determining unit 100 includes the second light intensity value determining module.Second light intensity value determines Module obtains the light intensity value of multiple light intensity test device output, calculates in the multiple light intensity values getting except The mean value of other light intensity values outside little value, determines the light intensity value that mean value is photovoltaic system local environment.
Invention additionally discloses a kind of PV air-conditioner system, including photovoltaic system and air-conditioning system, and also bag Include the present invention any one control device disclosed above.In PV air-conditioner system disclosed by the invention, empty Adjusting system can effectively utilize the electric energy that photovoltaic system produces.
Finally, in addition it is also necessary to explanation, herein, the relational terms of such as first and second or the like It is used merely to separate an entity or operation with another entity or operating space, and not necessarily require Or imply relation or the order that there is any this reality between these entities or operation.And, art Language " includes ", "comprising" or its any other variant are intended to comprising of nonexcludability, thus The process, method, article or the equipment that include a series of key element is made not only to include those key elements, and Also include other key elements being not expressly set out, or also include for this process, method, article or The intrinsic key element of person's equipment.In the case of there is no more restriction, by statement " including ... " The key element limiting, it is not excluded that also deposit in process, method, article or the equipment include described key element At other identical element.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses Being the difference with other embodiments, between each embodiment, identical similar portion sees mutually. For device disclosed in embodiment, owing to it corresponds to the method disclosed in Example, so describing Fairly simple, related part sees method part and illustrates.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses The present invention.Multiple modifications to these embodiments will be aobvious and easy for those skilled in the art See, generic principles defined herein can without departing from the spirit or scope of the present invention, Realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, And it is to fit to the wide scope consistent with principles disclosed herein and features of novelty.

Claims (9)

1. a control method for PV air-conditioner system, described PV air-conditioner system includes photovoltaic system and sky Adjusting system, it is characterised in that described control method includes:
Determine the light intensity value of described photovoltaic system local environment;
Relatively more described light intensity value and the light intensity preset are interval;
When described light intensity value is interval higher than described light intensity, described air-conditioning system run on refrigeration mode, And current design temperature higher than refrigeration mode minimum temperature in the case of, reduce setting of described air-conditioning system Fixed temperature, runs on heating mode and current design temperature less than heating mode in described air-conditioning system In the case of maximum temperature, improve the design temperature of described air-conditioning system.
2. control method according to claim 1, it is characterised in that at more described light intensity value and After the light intensity preset is interval, also include:
When described light intensity value is interval less than described light intensity, described air-conditioning system run on refrigeration mode, And current design temperature less than refrigeration mode maximum temperature in the case of, improve setting of described air-conditioning system Fixed temperature, runs on heating mode and current design temperature higher than heating mode in described air-conditioning system In the case of minimum temperature, reduce the design temperature of described air-conditioning system.
3. control method according to claim 1 and 2, it is characterised in that described photovoltaic system sets Being equipped with multiple light intensity test device, the plurality of light intensity test device is positioned at diverse location, described determination institute State the light intensity value of photovoltaic system local environment, comprising:
Obtain the light intensity value of the plurality of light intensity test device output;
Calculate the mean value of the multiple light intensity values getting, determine that described mean value is described photovoltaic system institute The light intensity value of place's environment.
4. control method according to claim 1 and 2, it is characterised in that described photovoltaic system sets Being equipped with multiple light intensity test device, the plurality of light intensity test device is positioned at diverse location, described determination institute State the light intensity value of photovoltaic system local environment, comprising:
Obtain the light intensity value of the plurality of light intensity test device output;
Calculate the mean value of other light intensity values in addition to minimum of a value in the multiple light intensity values getting, determine Described mean value is the light intensity value of described photovoltaic system local environment.
5. a control device for PV air-conditioner system, described PV air-conditioner system includes photovoltaic system and sky Adjusting system, it is characterised in that described control device includes:
Light intensity value determining unit, for determining the light intensity value of described photovoltaic system local environment;
Comparing unit, interval for relatively more described light intensity value and the light intensity preset;
First control unit, for when described light intensity value is interval higher than described light intensity, in described air-conditioning system In the case that system runs on refrigeration mode and current design temperature higher than refrigeration mode minimum temperature, fall The design temperature of low described air-conditioning system, runs on heating mode and current setting in described air-conditioning system In the case that fixed temperature is less than heating mode maximum temperature, improve the design temperature of described air-conditioning system.
6. control device according to claim 5, it is characterised in that also include:
Second control unit, for when described light intensity value is interval less than described light intensity, in described air-conditioning system In the case that system runs on refrigeration mode and current design temperature less than refrigeration mode maximum temperature, carry The design temperature of high described air-conditioning system, runs on heating mode and current setting in described air-conditioning system In the case that fixed temperature is higher than heating mode minimum temperature, reduce the design temperature of described air-conditioning system.
7. the control device according to claim 5 or 6, it is characterised in that described photovoltaic system sets Being equipped with multiple light intensity test device, the plurality of light intensity test device is positioned at diverse location, described light intensity value Determining unit includes the first light intensity value determining module;
Described first light intensity value determining module obtains the light intensity value of the plurality of light intensity test device output, meter The mean value of the multiple light intensity values getting, determines that described mean value is described photovoltaic system local environment Light intensity value.
8. the control device according to claim 5 or 6, it is characterised in that described photovoltaic system sets Being equipped with multiple light intensity test device, the plurality of light intensity test device is positioned at diverse location, described light intensity value Determining unit includes the second light intensity value determining module;
Described second light intensity value determining module obtains the light intensity value of the plurality of light intensity test device output, meter The mean value of other light intensity values in addition to minimum of a value in the multiple light intensity values getting, determines described flat Average is the light intensity value of described photovoltaic system local environment.
9. a PV air-conditioner system, including photovoltaic system and air-conditioning system, it is characterised in that also include Control device as according to any one of claim 5 to 8.
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