CN203797842U - Photovoltaic air conditioning system - Google Patents
Photovoltaic air conditioning system Download PDFInfo
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- CN203797842U CN203797842U CN201320861127.3U CN201320861127U CN203797842U CN 203797842 U CN203797842 U CN 203797842U CN 201320861127 U CN201320861127 U CN 201320861127U CN 203797842 U CN203797842 U CN 203797842U
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- air
- conditioning unit
- component
- electric energy
- power supply
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Classifications
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
- F24F2005/0067—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy with photovoltaic panels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The utility model discloses a photovoltaic air conditioning system which comprises a solar photovoltaic power generation component, a converter, an air conditioning unit, an energy storage component and an electric energy comparison component, wherein the converter is respectively connected with the solar photovoltaic power generation component and an alternating current power grid; the electric energy comparison component is respectively connected with the converter, the air conditioning unit and the energy storage component and used for determining a power supply of the air conditioning unit according to electric energy output by the solar photovoltaic power generation component, electric energy consumed by the air conditioning unit, the power supply state of the alternating current power grid and electric energy stored in the energy storage component. The photovoltaic air conditioning system solves the problem that an air conditioner in the prior art is single in power supply, so that power supply modes of the air conditioning unit are enriched, and it is guaranteed that the air conditioning unit can operate stably and reliably.
Description
Technical field
The utility model relates to air-conditioner field, in particular to a kind of photovoltaic air-conditioning system.
Background technology
Air-conditioner is all generally to adopt single mains powered at present, and not only power consumption is larger, and cost is higher, and the in the situation that of civil power power-off, air-conditioner can only be out of service.This kind out of service, brings inconvenience not only to the user of air-conditioner, and more easily because power-off suddenly causes, air-conditioner is anxious stops fault, affects operation stability and the service life of air-conditioner.
For the single problem of the power supply of air-conditioner in correlation technique, effective solution is not yet proposed at present.
Utility model content
Main purpose of the present utility model is to provide a kind of photovoltaic air-conditioning system, to solve the single problem of the power supply of air-conditioner in prior art.
According to the utility model, a kind of photovoltaic air-conditioning system is provided, comprising: solar photovoltaic electrification component; Current transformer, is all connected with AC network with solar photovoltaic electrification component; Air-conditioning unit; Energy storage component; Electric energy comparing component, all be connected with energy storage component with current transformer, air-conditioning unit, for determine the power supply of air-conditioning unit according to the consumption electric energy of the output electric energy of solar photovoltaic electrification component, air-conditioning unit, the power supply state of AC network and the store electrical energy of energy storage component.
Further, electric energy comparing component comprises: the first supply line, is connected between current transformer and air-conditioning unit; The second supply line, is connected between energy storage component and air-conditioning unit; Charging circuit, is connected between current transformer and energy storage component; And control part, all be connected with charging circuit with the first supply line, the second supply line, for determine the conducting state of the first supply line, the second supply line and charging circuit according to the consumption electric energy of the output electric energy of solar photovoltaic electrification component, air-conditioning unit, the power supply state of AC network and the store electrical energy of energy storage component.
Further, control part comprises: first sensor, is connected with current transformer, for detection of the output voltage of solar photovoltaic electrification component; The second sensor, is connected with air-conditioning unit, for detection of the operating voltage of air-conditioning unit; The 3rd sensor, is connected with current transformer, for detection of the power supply state of AC network; Four-sensor, is connected with energy storage component, for detection of the tank voltage of energy storage component; And first controller, all be connected with four-sensor with first sensor, the second sensor, the 3rd sensor, for according to the output voltage of solar photovoltaic electrification component, the operating voltage of air-conditioning unit, the tank voltage of the power supply state of AC network and energy storage component is determined the conducting state of the first supply line, the second supply line and charging circuit.
Further, current transformer is two way convertor, for the output electric energy of rectification AC network, or the output electric energy of inversion solar photovoltaic electrification component.
Further, photovoltaic air-conditioning system also comprises: direct current microgrid power supply, is connected with electric energy comparing component.
Further, air-conditioning unit comprises: blower fan; Blower fan driver module, is connected between electric energy comparing component and blower fan; Compressor; Driven compressor module, is connected between electric energy comparing component and compressor; Second controller, is all connected with driven compressor module with blower fan driver module; And voltage reduction module, be connected between electric energy comparing component and second controller.
The utility model adopts the photovoltaic air-conditioning system with following structure: solar photovoltaic electrification component; Current transformer, is all connected with AC network with solar photovoltaic electrification component; Air-conditioning unit; Energy storage component; Electric energy comparing component, all be connected with energy storage component with current transformer, air-conditioning unit, for determine the power supply of air-conditioning unit according to the consumption electric energy of the output electric energy of solar photovoltaic electrification component, air-conditioning unit, the power supply state of AC network and the store electrical energy of energy storage component.By solar photovoltaic electrification component and energy storage component are set in photovoltaic air-conditioning system, realized at air-conditioning unit and having had on the basis of AC network as power supply support, for air-conditioning unit provides new power supply, simultaneously, by arranging, the power supply of air-conditioning unit is carried out to definite electric energy comparing component, realized the stability that guarantees the power supply of air-conditioning unit, avoid occurring that supply voltage is too high or too low, solved the single problem of the power supply of air-conditioner in prior art, and then reached the power supply mode of enriching air-conditioning unit, guarantee air-conditioning set steady, the effect of reliability service.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is according to the schematic diagram of the photovoltaic air-conditioning system of the utility model embodiment;
Fig. 2 is according to the schematic diagram of the photovoltaic air-conditioning system of the utility model preferred embodiment; And
Fig. 3 is according to the flow chart of the control method of the photovoltaic air-conditioning system of the utility model embodiment.
The specific embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
The utility model embodiment provides a kind of photovoltaic air-conditioning system, below photovoltaic air-conditioning system that the utility model embodiment is provided do concrete introduction:
Fig. 1 is according to the schematic diagram of the photovoltaic air-conditioning system of the utility model embodiment, and as shown in Figure 1, this photovoltaic air-conditioner system mainly comprises solar photovoltaic electrification component 10, current transformer 20, air-conditioning unit 30, energy storage component 40 and electric energy comparing component 50, wherein:
Current transformer 20 is all connected with AC network 70 with solar photovoltaic electrification component 10, in the utility model embodiment, current transformer 20 is two-way four quadrant convertor, can work in inverter mode, by the electric energy inversion of solar photovoltaic electrification component 10 to AC network 70, also can work in rectification state, by the electric energy rectification of AC network 70 to air-conditioner unit 30.
Electric energy comparing component 50 is all connected with current transformer 20, air-conditioning unit 30 and energy storage component 40, for determine the power supply of air-conditioning unit 30 according to the store electrical energy of the power supply state of the consumption electric energy of the output electric energy of solar photovoltaic electrification component 10, air-conditioning unit 30, AC network 70 and energy storage component 40.Particularly, solar photovoltaic electrification component 10, AC network 70 and energy storage component 40 are as three power supplies of air-conditioning unit 30, electric energy comparing component 50 is a kind of voltage comparing components, it is mainly the supply voltage that can provide according to each power supply, and the required operating voltage of air-conditioner unit 30 work, determine one or several power source combination in three power supplies, the power supply that provides power supply to support to air-conditioning unit 30 as reality.
By solar photovoltaic electrification component and energy storage component are set in photovoltaic air-conditioning system, realized at air-conditioning unit and having had on the basis of AC network as power supply support, for air-conditioning unit provides new power supply, simultaneously, by arranging, the power supply of air-conditioning unit is carried out to definite electric energy comparing component, realized the stability that guarantees the power supply of air-conditioning unit, avoid occurring that supply voltage is too high or too low, solved the single problem of the power supply of air-conditioner in prior art, and then reached the power supply mode of enriching air-conditioning unit, guarantee air-conditioning set steady, the effect of reliability service.
Alternatively, electric energy comparing component 50 comprises the first supply line, the second supply line, charging circuit and control part, wherein, the first supply line is connected between current transformer 20 and air-conditioning unit 30, mainly that electric energy by current transformer 20 transmission AC networks 70 is to air-conditioning unit 30, or the electric energy by current transformer 20 transmission solar photovoltaic electrification components 10 is to air-conditioning unit 30, or transmit the electric energy of AC network 70 and the electric energy of solar photovoltaic electrification component 10 to air-conditioning unit 30 simultaneously.The second supply line is connected between energy storage component 40 and air-conditioning unit 30, is mainly that the electric energy of transmission energy storage component 40 is to air-conditioning unit 30.Charging circuit is connected between current transformer 20 and energy storage component 40, mainly in the situation that the electric energy abundance of solar photovoltaic electrification component 10, the electric energy of transmission solar photovoltaic electrification component 10 is to energy storage component 40, so that energy storage component 40 is charged, or the electric energy of transmission AC network 70 is to energy storage component 40, so that energy storage component 40 is charged.Control part is all connected with the first supply line, the second supply line, charging circuit and San supply line, for determine the conducting state of the first supply line, the second supply line and charging circuit according to the store electrical energy of the power supply state of the consumption electric energy of the output electric energy of solar photovoltaic electrification component 10, air-conditioning unit 30, AC network 70 and energy storage component 40.
Particularly, control part comprises first sensor, the second sensor, the 3rd sensor, four-sensor and the first controller, wherein, first sensor is connected with current transformer 20, for detection of the output voltage of solar photovoltaic electrification component 10, this first sensor can be any sensor that can detect the output voltage of solar photovoltaic electrification component 10.The second sensor is connected with air-conditioning unit 30, and for detection of the operating voltage of air-conditioning unit 30, this second sensor can be any sensor that can detect the operating voltage of air-conditioning unit 30.The 3rd sensor is connected with current transformer 20, for detection of the power supply state of AC network 70, is mainly to detect whether power down of AC network 70, if power down determines that AC network 70 is in power-down state, otherwise, determine that AC network 70 is in power-up state.Four-sensor is connected with energy storage component 40, and for detection of the tank voltage of energy storage component 40, this four-sensor can be any sensor that can detect the tank voltage of energy storage component 40.The first controller is all connected with four-sensor with first sensor, the second sensor, the 3rd sensor, for determine the conducting state of the first supply line, the second supply line and charging circuit according to the tank voltage of the power supply state of the operating voltage of the output voltage of solar photovoltaic electrification component 10, air-conditioning unit 30, AC network 70 and energy storage component 40.
Wherein, if detect AC network 70 in power-down state, the first controller is according to the size of the operating voltage of the output voltage of solar photovoltaic electrification component 10 and air-conditioning unit 30, control the conducting state of each circuit, if the output voltage of solar photovoltaic electrification component 10 is less than the operating voltage of air-conditioning unit 30, solar photovoltaic electrification component 10 is not enough to maintain the normal operation of air-conditioning unit 30, therefore, when 10 pairs of air-conditioning units 30 of control solar photovoltaic electrification component are powered, need energy storage component 40 to provide extra electric energy support to air-conditioning unit 30, this kind of situation, need to control the first supply line and the equal conducting of the second supply line.
If at AC network 70 under power-down state, the output voltage of solar photovoltaic electrification component 10 is greater than the operating voltage of air-conditioning unit 30, illustrate that solar photovoltaic electrification component 10 is enough to maintain the normal operation of air-conditioning unit 30, this kind of situation, controls the normal operation that the first line conduction can maintain unit 30.Meanwhile, can also control charging circuit conducting, to utilize the unnecessary electric energy of solar photovoltaic electrification component 10 to charge to energy storage component 40.
If under power-down state, the output voltage of solar photovoltaic electrification component 10 equals the operating voltage of air-conditioning unit 30 at AC network 70, this kind of situation, controls the first line conduction.
Wherein, if detect AC network 70 in power-up state, the first controller is equally according to the size of the operating voltage of the output voltage of solar photovoltaic electrification component 10 and air-conditioning unit 30, control the conducting state of each circuit, if the output voltage of solar photovoltaic electrification component 10 equals the operating voltage of air-conditioning unit 30, illustrate that solar photovoltaic electrification component 10 is enough to maintain the normal operation of air-conditioning unit 30, this kind of situation, controls the normal operation that the first line conduction can maintain unit 30.If the output voltage of solar photovoltaic electrification component 10 is greater than the operating voltage of air-conditioning unit 30, the output electric energy of solar photovoltaic electrification component 10 is enough to maintain the normal operation of air-conditioning unit 30 equally, this kind of situation, control the conducting of the first supply line, simultaneously, can also control current transformer 20 and work in inverter mode, by the unnecessary electric energy feedback of solar photovoltaic electrification component 10 to AC network 70, simultaneously, can also control charging circuit conducting, with when powering to air-conditioning unit 30, utilize the unnecessary electric energy of solar photovoltaic electrification component 10 to charge to energy storage component 40.
Fig. 2 is according to the schematic diagram of the photovoltaic air-conditioning system of the utility model preferred embodiment, as shown in Figure 2, the photovoltaic air-conditioning system that the preferred embodiment provides also comprises direct current microgrid power supply 60, this direct current microgrid power supply 60 is connected with electric energy comparing component 50, as another stand-by power supply of air-conditioning unit 30, further enriched the power supply mode of air-conditioning unit.
In addition, air-conditioning unit 30 comprises blower fan 31, blower fan driver module 32, compressor 33, driven compressor module 34, second controller 35 and voltage reduction module 36, wherein, blower fan driver module 32 is connected between electric energy comparing component 50 and blower fan 31, driven compressor module 34 is connected between electric energy comparing component 50 and compressor 33, second controller 35 is all connected with driven compressor module 34 with blower fan driver module 32, voltage reduction module 36, is connected between electric energy comparing component 50 and second controller 35.
The air-conditioning unit of said structure, realized the direct current transmitting by electric energy comparing component has been divided into two-way, the one direct fan driver module in tunnel and driven compressor module, after blower fan driver module and the inversion of driven compressor module, correspondence is input to blower fan and compressor; Another road by voltage reduction module by voltage transitions be stable DC24V directly to second controller, second controller carries the circuit such as relay again by some plates controls solenoid, heat tape, coil of electronic expansion valve, pressure sensor, the temperature-sensitive bag even load in air-conditioning unit.Wherein, voltage reduction module can be the DC/DC Switching Power Supply plate that a high-performance, capacity are 200W.
Can find out; the photovoltaic air-conditioning system with above-mentioned air-conditioning unit; only need to be by the good power line of three-phase mains AC power and the power supply wiring port of photovoltaic panel power line access air-conditioning unit of cloth during project installation; without zero line, connect, saved zero line, thoroughly solved three-phase imbalance problem; facilitate modular parallel application; can economize again the reverse protection of deferrization, greatly simplify electrical design, save cost.External power source is through becoming the direct current that voltage is about DC600V after four quadrant convertor, directly, after electric energy comparing component gating, give driver module and Switching Power Supply plate, guarantee air-conditioning set steady, operation reliably, and it is succinct to have control mode, the simple advantage of wiring.
The utility model embodiment also provides a kind of control method of photovoltaic air-conditioning system, this control method is mainly that the photovoltaic air-conditioning system that the utility model embodiment foregoing is provided is controlled, below the control method of photovoltaic air-conditioning system that the utility model embodiment is provided do concrete introduction:
Fig. 3 is according to the flow chart of the control method of the photovoltaic air-conditioning system of the utility model embodiment, and as shown in Figure 3, this control method mainly comprises the steps that S302 is to step S310:
S302: the output electric energy that detects solar photovoltaic electrification component in photovoltaic air-conditioner system, particularly, can, by detecting the parameters such as power output, output voltage or output current of solar photovoltaic electrification component, detect the output electric energy of determining solar photovoltaic electrification component.
S304: detect the consumption electric energy of air-conditioning unit in photovoltaic air-conditioner system, particularly, can, by detecting the parameters such as operate power, working voltage or running current of air-conditioning unit, detect the consumption electric energy of determining air-conditioning unit.
S306: detecting the power supply state of AC network in photovoltaic air-conditioner system, is mainly to detect whether power down of AC network, if AC network power down determines that AC network is in power-down state, otherwise, determine that AC network is in power-up state.
S308: detect the store electrical energy of energy storage component in photovoltaic air-conditioner system, particularly, can, by detecting the parameters such as power output, output voltage or output current of energy storage component, detect the store electrical energy of determining energy storage component.
S310: the power supply of determining air-conditioning unit according to the consumption electric energy of the output electric energy of solar photovoltaic electrification component, air-conditioning unit, the power supply state of AC network and the store electrical energy of energy storage component, particularly, mainly according to these three supply voltages that power supply can provide of solar photovoltaic electrification component, AC network and energy storage component, and the required operating voltage of air-conditioner unit work, determine one or several power source combination in three power supplies, the power supply that provides power supply to support to air-conditioning unit as reality.
By solar photovoltaic electrification component and energy storage component are set in photovoltaic air-conditioning system, realized at air-conditioning unit and having had on the basis of AC network as power supply support, for air-conditioning unit provides new power supply, simultaneously, by according to the output electric energy of solar photovoltaic electrification component, the consumption electric energy of air-conditioning unit, the power supply state of AC network and the store electrical energy of energy storage component are determined the power supply of air-conditioning unit, realized the stability that guarantees the power supply of air-conditioning unit, avoid occurring that supply voltage is too high or too low, solved the single problem of the power supply of air-conditioner in prior art, and then reached the power supply mode of enriching air-conditioning unit, guarantee air-conditioning set steady, the effect of reliability service.
Wherein, photovoltaic air-conditioner system also comprises the current transformer being all connected with AC network with solar photovoltaic electrification component, be connected to the first supply line between current transformer and air-conditioning unit, be connected to the second supply line between energy storage component and air-conditioning unit, be connected to the charging circuit between current transformer and energy storage component, the effect of each circuit and function have been done concrete introduction in the utility model embodiment foregoing provides photovoltaic air-conditioner system, repeat no more herein.According to the consumption electric energy of the output electric energy of solar photovoltaic electrification component, air-conditioning unit, the power supply state of AC network and the store electrical energy of energy storage component, determine that the power supply of air-conditioning unit is specially: the conducting state of determining the first supply line, the second supply line and charging circuit according to the consumption electric energy of the output electric energy of solar photovoltaic electrification component, air-conditioning unit, the power supply state of AC network and the store electrical energy of energy storage component.
Wherein, if detect AC network in power-down state, the first controller is according to the size of the operating voltage of the output voltage of solar photovoltaic electrification component and air-conditioning unit, control the conducting state of each circuit, if the output voltage of solar photovoltaic electrification component is less than the operating voltage of air-conditioning unit, solar photovoltaic electrification component is not enough to maintain the normal operation of air-conditioning unit, therefore, when control solar photovoltaic electrification component is powered to air-conditioning unit, need energy storage component to provide extra electric energy support to air-conditioning unit, this kind of situation, need to control the first supply line and the equal conducting of the second supply line.
If at AC network under power-down state, the output voltage of solar photovoltaic electrification component is greater than the operating voltage of air-conditioning unit 30, illustrate that solar photovoltaic electrification component is enough to maintain the normal operation of air-conditioning unit, this kind of situation, controls the normal operation that the first line conduction can maintain unit.Meanwhile, can also control charging circuit conducting, to utilize the unnecessary electric energy of solar photovoltaic electrification component to charge to energy storage component.
If under power-down state, the output voltage of solar photovoltaic electrification component equals the operating voltage of air-conditioning unit 30 at AC network, this kind of situation, controls the first line conduction.
Wherein, if detect AC network in power-up state, the first controller is equally according to the size of the operating voltage of the output voltage of solar photovoltaic electrification component and air-conditioning unit, control the conducting state of each circuit, if the output voltage of solar photovoltaic electrification component equals the operating voltage of air-conditioning unit, illustrate that solar photovoltaic electrification component is enough to maintain the normal operation of air-conditioning unit, this kind of situation, controls the normal operation that the first line conduction can maintain unit.If the output voltage of solar photovoltaic electrification component is greater than the operating voltage of air-conditioning unit, the output electric energy of solar photovoltaic electrification component is enough to maintain the normal operation of air-conditioning unit equally, this kind of situation, control the conducting of the first supply line, simultaneously, can also control current transformer and work in inverter mode, by the unnecessary electric energy feedback of solar photovoltaic electrification component to AC network, simultaneously, can also control charging circuit conducting, with in the power supply of air-conditioning unit, utilize the unnecessary electric energy of solar photovoltaic electrification component to charge to energy storage component.
From above description, can find out, the utility model has been realized at air-conditioning unit to be had on the basis of AC network as power supply support, for air-conditioning unit provides new power supply, meanwhile, realized the stability that guarantees the power supply of air-conditioning unit, avoid occurring that supply voltage is too high or too low, solve the single problem of the power supply of air-conditioner in prior art, and then reached the power supply mode of enriching air-conditioning unit, guaranteed the effect of air-conditioning set steady, reliability service.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a photovoltaic air-conditioning system, is characterized in that, comprising:
Solar photovoltaic electrification component (10);
Current transformer (20), is all connected with AC network (70) with described solar photovoltaic electrification component (10);
Air-conditioning unit (30);
Energy storage component (40); And
Electric energy comparing component (50), all be connected with described current transformer (20), described air-conditioning unit (30) and described energy storage component (40), for determine the power supply of described air-conditioning unit (30) according to the store electrical energy of the power supply state of the output electric energy of described solar photovoltaic electrification component (10), the consumption electric energy of described air-conditioning unit (30), described AC network (70) and described energy storage component (40)
Wherein, electric energy comparing component (50) comprising:
The first supply line, is connected between described current transformer (20) and described air-conditioning unit (30);
The second supply line, is connected between described energy storage component (40) and described air-conditioning unit (30);
Charging circuit, is connected between described current transformer (20) and described energy storage component (40); And
Control part, all be connected with described charging circuit with described the first supply line, described the second supply line, for determine the conducting state of described the first supply line, described the second supply line and described charging circuit according to the store electrical energy of the power supply state of the output electric energy of described solar photovoltaic electrification component (10), the consumption electric energy of described air-conditioning unit (30), described AC network (70) and described energy storage component (40).
2. photovoltaic air-conditioning system according to claim 1, is characterized in that, described control part comprises:
First sensor, is connected with described current transformer (20), for detection of the output voltage of described solar photovoltaic electrification component (10);
The second sensor, is connected with described air-conditioning unit (30), for detection of the operating voltage of described air-conditioning unit (30);
The 3rd sensor, is connected with described current transformer (20), for detection of the power supply state of described AC network (70);
Four-sensor, is connected with described energy storage component (40), for detection of the tank voltage of described energy storage component (40); And
The first controller, all be connected with described four-sensor with described first sensor, described the second sensor, described the 3rd sensor, for determine the conducting state of described the first supply line, described the second supply line and described charging circuit according to the tank voltage of the power supply state of the output voltage of described solar photovoltaic electrification component (10), the operating voltage of described air-conditioning unit (30), described AC network (70) and described energy storage component (40).
3. photovoltaic air-conditioning system according to claim 1, it is characterized in that, described current transformer (20) is two way convertor, for the output electric energy of AC network described in rectification (70), or the output electric energy of solar photovoltaic electrification component (10) described in inversion.
4. photovoltaic air-conditioning system according to claim 1, is characterized in that, described photovoltaic air-conditioning system also comprises: direct current microgrid power supply (60), is connected with described electric energy comparing component (50).
5. photovoltaic air-conditioning system according to claim 1, is characterized in that, described air-conditioning unit (30) comprising:
Blower fan (31);
Blower fan driver module (32), is connected between described electric energy comparing component (50) and described blower fan (31);
Compressor (33);
Driven compressor module (34), is connected between described electric energy comparing component (50) and described compressor (33);
Second controller (35), is all connected with described driven compressor module (34) with described blower fan driver module (32); And
Voltage reduction module (36), is connected between described electric energy comparing component (50) and described second controller (35).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320861127.3U CN203797842U (en) | 2013-12-24 | 2013-12-24 | Photovoltaic air conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320861127.3U CN203797842U (en) | 2013-12-24 | 2013-12-24 | Photovoltaic air conditioning system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566718A (en) * | 2014-12-26 | 2015-04-29 | 珠海格力电器股份有限公司 | Air conditioner system |
| CN104676832A (en) * | 2014-12-26 | 2015-06-03 | 珠海格力电器股份有限公司 | Air conditioning system |
| CN104728968A (en) * | 2013-12-24 | 2015-06-24 | 珠海格力电器股份有限公司 | Photovoltaic air conditioning system and control method thereof |
| CN104776536A (en) * | 2015-05-04 | 2015-07-15 | 珠海格力电器股份有限公司 | Photovoltaic air conditioner system |
| EP3413431A4 (en) * | 2016-02-03 | 2019-09-25 | Gree Electric Appliances, Inc. of Zhuhai | Photovoltaic energy storage air conditioner, and control method |
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2013
- 2013-12-24 CN CN201320861127.3U patent/CN203797842U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104728968A (en) * | 2013-12-24 | 2015-06-24 | 珠海格力电器股份有限公司 | Photovoltaic air conditioning system and control method thereof |
| CN107726496A (en) * | 2013-12-24 | 2018-02-23 | 珠海格力电器股份有限公司 | PV air-conditioner system and its control method |
| CN104566718A (en) * | 2014-12-26 | 2015-04-29 | 珠海格力电器股份有限公司 | Air conditioner system |
| CN104676832A (en) * | 2014-12-26 | 2015-06-03 | 珠海格力电器股份有限公司 | Air conditioning system |
| CN104776536A (en) * | 2015-05-04 | 2015-07-15 | 珠海格力电器股份有限公司 | Photovoltaic air conditioner system |
| EP3413431A4 (en) * | 2016-02-03 | 2019-09-25 | Gree Electric Appliances, Inc. of Zhuhai | Photovoltaic energy storage air conditioner, and control method |
| US10784711B2 (en) | 2016-02-03 | 2020-09-22 | Gree Electric Appliances, Inc. Of Zhuhai | Photovoltaic energy storage air conditioner and control method thereof |
| AU2017215605B2 (en) * | 2016-02-03 | 2020-10-01 | Gree Electric Appliances, Inc. Of Zhuhai | Photovoltaic energy storage air conditioner, and control method |
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