CN110247388A - air conditioning system - Google Patents

air conditioning system Download PDF

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Publication number
CN110247388A
CN110247388A CN201910556024.8A CN201910556024A CN110247388A CN 110247388 A CN110247388 A CN 110247388A CN 201910556024 A CN201910556024 A CN 201910556024A CN 110247388 A CN110247388 A CN 110247388A
Authority
CN
China
Prior art keywords
bus
air
conditioning system
energy
direct
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910556024.8A
Other languages
Chinese (zh)
Inventor
文武
蒋世用
赵志刚
刘克勤
王京
吕鹏飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201910556024.8A priority Critical patent/CN110247388A/en
Publication of CN110247388A publication Critical patent/CN110247388A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F24F11/88Electrical aspects, e.g. circuits
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10Parallel operation of dc sources
    • H02J3/383
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The present application provides an air conditioning system. The air conditioning system comprises an alternating current rectifier, a direct current air conditioner, a photovoltaic battery pack and a direct current power supply end. The alternating current end of the alternating current rectifier is used for being connected with an alternating current power grid, and the direct current air conditioner is connected with the direct current end of the alternating current rectifier through a direct current bus. The photovoltaic battery pack and the direct-current power supply end are connected with the direct-current bus, the photovoltaic battery pack is used for supplying power to the direct-current bus, and the direct-current power supply end is used for supplying power to the direct-current bus. By applying the technical scheme of the invention, the combined input of alternating current energy, direct current energy and photovoltaic energy of the air conditioning system can be realized, multiple energy modes are provided for the air conditioner at the same time, a user can conveniently and flexibly select and configure according to needs, and meanwhile, the energy-saving effect and the flexibility of energy utilization are enhanced.

Description

Air-conditioning system
Technical field
The present invention relates to technical field of refrigeration equipment, in particular to a kind of air-conditioning system.
Background technique
Traditional inverter and power load exchanging end carry out it is in parallel, there are the waste of the two times transfer of using energy source, with And the energy flows to uncontrollable, can not be with the coordination and response of local power load the problem of.For this purpose, distributed local energy source interconnection Net provides a kind of good mode for the in-site collecting of new energy and consumption.Photovoltaic directly drives air-conditioning technical in this convenient application Play good exemplary role, it is obvious that photovoltaic directly drives technical energy saving effect, quickly grows.
Currently, the demand that air-conditioning carries out photovoltaic directly drive is huge, and demand differenceization is larger, if for not of the same race The air-conditioning of class and watt level all carries out the research and development that photovoltaic directly drives, and development will be very huge, be unable to satisfy the needs in market. Still further aspect, DC distribution technology is rapid in developed recently, and the demand to air-conditioning direct current increases.
And existing air-conditioning system is difficult to be compatible with the use of above-mentioned PV air-conditioner and direct-flow air conditioner, is not able to satisfy client's The use demand of diversification.
Summary of the invention
The embodiment of the invention provides a kind of air-conditioning systems, to solve to be compatible with existing for air-conditioning system in the prior art The technical issues of use of PV air-conditioner and direct-flow air conditioner.
The application embodiment provides a kind of air-conditioning system, comprising: uses at the exchange end of AC adapter, AC adapter It is connected in AC network;Direct-flow air conditioner is connected with the DC terminal of AC adapter by DC bus;Photovoltaic cell group, with DC bus is connected, for DC bus powered;DC power supply terminal is connected with DC bus, for DC bus powered.
In one embodiment, air-conditioning system further includes unidirectional DC/DC module, and the first port of photovoltaic cell group passes through Unidirectional DC/DC module is connected with DC bus, and unidirectional DC/DC module is used to adjust the output voltage of photovoltaic cell.
In one embodiment, air-conditioning system further includes direct current protecting module, and DC power supply terminal passes through direct current protecting mould Block is connect with DC bus.
In one embodiment, air-conditioning system further includes energy-storage battery, and the port of energy-storage battery is connected with DC bus, Energy-storage battery is used for DC bus powered or from DC bus storage.
In one embodiment, air-conditioning system further includes two-way DC/DC module, and the port of energy-storage battery passes through two-way DC/DC module is connected with DC bus, and two-way DC/DC module is used to adjust energy-storage battery to the supply voltage of DC bus, or Person adjusts DC bus to the charging voltage of energy-storage battery.
In one embodiment, air-conditioning system further includes DC/AC current transformer, and DC bus also passes through DC/AC current transformer It is connected with AC network, DC bus powers to AC network by DC/AC current transformer.
In one embodiment, the second port of photovoltaic cell group is also connected with DC/AC current transformer, and photovoltaic cell group is logical DC/AC current transformer is crossed to power to AC network.
In one embodiment, it is provided on the flow path that the second port of photovoltaic cell group is connected with DC/AC current transformer First diode, first diode are connected from the second port of photovoltaic cell group to DC/AC current transformer individual event.
In one embodiment, the second port of photovoltaic cell group is connected with DC bus, and the second of photovoltaic cell group Be provided with the second diode on the flow path that port is connected with DC bus, the second diode from the second port of photovoltaic cell group to DC bus individual event conducting.
In one embodiment, direct-flow air conditioner is DC frequency converting air-conditioner.
In the above-described embodiments, photovoltaic cell group is by may be implemented the first of direct-flow air conditioner to DC bus powered It is driven by electricity the method for operation;AC network can be to DC bus powered, to realize direct-flow air conditioner by AC adapter conversion Be driven by electricity the method for operation second;DC power supply terminal is by may be implemented the third of direct-flow air conditioner to DC bus powered Kind is driven by electricity the method for operation.Above-mentioned three kinds are driven by electricity the method for operation, and alternative energy sources, the direct current of air-conditioning system may be implemented The combination input of the energy, photovoltaic energy, provides various energy resources mode simultaneously for air-conditioning, the flexible selection for facilitating user as needed Configuration, while enhancing the flexibility of energy-saving effect and using energy source.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the overall structure diagram of the embodiment of air-conditioning system according to the present invention;
Fig. 2 is the voltage control strategy schematic diagram of the DC bus of the air-conditioning system of Fig. 1.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, right below with reference to embodiment and attached drawing The present invention is described in further details.Here, exemplary embodiment and its explanation of the invention is used to explain the present invention, but simultaneously It is not as a limitation of the invention.
Traditional photovoltaic directly drives air-conditioning technical and generally passes through photovoltaic cell group generation direct current, carries out work to driving air-conditioning Make.The use that the photovoltaic directly drives air-conditioning technical will receive the influence such as environmental factor and battery storage factor, and use limited.It is existing Direct-flow air conditioner be then to be driven using direct current, direct-flow air conditioner simultaneously do not have energy-saving and environment-friendly effect.
The present invention is directed to directly drive technical solution in parallel by direct current, combined by modular interface, realization PV air-conditioner, Direct-flow air conditioner, the compatibility and modular combination for exchanging air-conditioning, provide the mode that various energy resources are incorporated to for air-conditioning equipment, make full use of Solar energy, energy conservation and environmental protection.
Fig. 1 shows the embodiment of air-conditioning system of the invention, which includes AC adapter 10, direct current sky Tune, photovoltaic cell group and DC power supply terminal.The exchange end of AC adapter 10 for being connected with AC network a, direct-flow air conditioner and The DC terminal of AC adapter 10 is connected by DC bus b.Photovoltaic cell group and DC power supply terminal are connected with DC bus b, Photovoltaic cell group is used to power to DC bus b, and DC power supply terminal is used to power to DC bus b.
It applies the technical scheme of the present invention, direct-flow air conditioner may be implemented by powering to DC bus b in photovoltaic cell group The first is driven by electricity the method for operation;AC network a can power to DC bus b by the conversion of AC adapter 10, with reality Second of existing direct-flow air conditioner is driven by electricity the method for operation;Direct current may be implemented by powering to DC bus b in DC power supply terminal The third of air-conditioning is driven by electricity the method for operation.Above-mentioned three kinds are driven by electricity the method for operation, and the friendship of air-conditioning system may be implemented The combination input for flowing the energy, DC energy source, photovoltaic energy, provides various energy resources mode simultaneously for air-conditioning, facilitates user according to need The flexible selection and deployment wanted, while enhancing the flexibility of energy-saving effect and using energy source.
It should be noted that above-mentioned three kinds are driven by electricity the method for operation, can be selected according to specific electricity needs Direct-flow air conditioner is driven by electricity the operation of one of method of operation with above-mentioned three kinds, or is transported in a manner of a variety of be driven by electricity simultaneously Row.
It should also be noted that, direct current supply port can be provided after DC frequency converting air-conditioner apolegamy direct current protecting module, directly Receive the power supply of DC distribution net.Direct current protecting module provides the charging soft start function of direct current initial power-on DC bus, with And Current Voltage monitoring and the defencive function of route.The AC adapter of DC frequency converting air-conditioner apolegamy corresponding power grade.It can be with It is used as exchange air-conditioning, it is consistent with traditional air conditioner power mode.
More preferably, air-conditioning system further includes unidirectional DC/DC module, and the first port of photovoltaic cell group passes through unidirectional DC/DC module is connected with DC bus b.When in use, unidirectional DC/DC module is used to adjust the output voltage of photovoltaic cell, with So that the voltage adaptation that photovoltaic cell group generates is in the power supply of DC bus b.More preferably, air-conditioning system further includes that direct current is protected Module is protected, DC power supply terminal is connect by direct current protecting module with DC bus b.When in use, unidirectional DC/DC module can benefit Accessed with photovoltaic battery pack direct current, it is mating with energy-storage battery and other modules, photovoltaic energy completely internal system storage and It uses, does not feed back to AC network.In addition, direct current protecting module is the protection device of direct current supply port, it is capable of providing direct current The charging soft start of access and protection and the fault detection alarm of Current Voltage.Match two-way DC/DC module and energy storage electricity Pond, unidirectional DC/DC module and photovoltaic power generation array, convenient, flexible building off-network light storage integrated system or.Match unidirectional DC/DC Module and photovoltaic power generation array, convenient, flexible building off-network light storage integrated system or.
Preferably, in the technical scheme of this embodiment, direct-flow air conditioner is DC frequency converting air-conditioner, to be adapted to refrigeration demand Diversified client.
As a kind of more preferably embodiment, as shown in Figure 1, air-conditioning system further includes energy-storage battery, energy-storage battery Port be connected with DC bus b, energy-storage battery is used to power to DC bus b or from DC bus b storage.In this way, energy storage Battery can be stored by the extra electricity that DC bus b generates photovoltaic cell group, in case using convenient for direct-flow air conditioner Photovoltaic energy.More preferably, air-conditioning system further includes two-way DC/DC module, and the port of energy-storage battery passes through two-way DC/DC mould Block is connected with DC bus b.When in use, when energy-storage battery is used to power to DC bus b, two-way DC/DC module is used for Energy-storage battery is adjusted to the supply voltage of DC bus b;When energy-storage battery is used for from DC bus b storage, two-way DC/DC mould Block is for adjusting DC bus b to the charging voltage of energy-storage battery.Two-way DC/DC module and energy-storage battery can multiple modules in parallel The real-time status that fluctuation and each module of each module according to DC bus b voltage pass through bus communication data feedback is inputted, it is real The now linkage control of each module avoids the circulation problem of energy-storage module.
As shown in Figure 1, more preferably, in the inventive solutions, DC bus b also passes through DC/AC current transformer It is connected with AC network a, DC bus b powers to AC network a by DC/AC current transformer.It, can be with by DC/AC current transformer The extra electricity generated on DC bus b is conveyed to AC network a.For example, after direct-flow air conditioner stops working, if energy storage Battery has been also filled with electricity, so that it may which net is presented in photovoltaic battery pack for power generation inversion.Optionally, in the technical solution of the present embodiment In, photovoltaic cell group is connected by the second port of photovoltaic cell group with DC/AC current transformer.
As shown in Figure 1, in the technical scheme of this embodiment, second port and the DC/AC current transformer phase of photovoltaic cell group First diode D1 is provided on flow path even, and first diode D1 is from the second port of photovoltaic cell group to DC/AC current transformer Individual event conducting.More preferably, the second port of photovoltaic cell group is connected with DC bus b, the second port of photovoltaic cell group The second diode D2, the second diode D2 is provided on the flow path being connected with DC bus b by the second port of photovoltaic cell group It is connected to DC bus b individual event.By first diode D1 and the second diode D2, may be implemented to the opposite of DC bus b Isolation avoids the equal flow problem of bidirectional converter, and the circulation problem constituted with rectifier.
In the technical scheme of this embodiment, first diode D1 and the second diode D2 are only relative to DC/AC current transformer It erects and sets, in other optional embodiments, first diode D1 and the second diode D2 can also be integrated in DC/AC The inside of current transformer.
In the technical scheme of this embodiment, because mainly wanting to realize power-generation inversion feedback net, become using individual event DC/AC Flow device.In addition it is also possible to other than realizing power-generation inversion feedback net, can also be realized by double using two-way DC/AC current transformer It powers to DC/AC to DC bus b, and two-way DC/AC current transformer is able to achieve the MPPT tracking maximum of photovoltaic cell group direct current Power points.Since photovoltaic battery pack for power generation ability is laid with area effect, in order to increase flexibility, digital control system allocation by photovoltaic panel The configuration power of two-way DC/AC current transformer can be with flexible choice, such as 10KW or 20KW.Due to using isolation scheme, solution It has determined circulation, the technical issues of flowing, therefore 2 or more two-way DC/AC current transformer Parallel Controls can have been matched simultaneously, Meet different configuration needs.The compatible control that photovoltaic directly drives air-conditioning with exchange air-conditioning may be implemented in the configuration, and control method is such as Under: photovoltaic has input+DC load to open --- and-two-way DC/AC current transformer control inversion function is closed, and the photovoltaic power generation energy mentions For directly driving the energy;Photovoltaic has input+DC load to close --- and-two-way DC/AC current transformer control inversion function is opened, photovoltaic hair Electric energy feedback grid;Photovoltaic is opened without input+DC load --- and-two-way DC/AC current transformer inversion function is closed, by exchanging Rectifier provides alternative energy sources for load.Meanwhile photovoltaic power generation array is accessed first diode after unidirectional DC/DC module The common point of D1 and the second diode D2, can larger promote photovoltaic efficiency.Based on photovoltaic battery pack for power generation power energy The adjustable DC bus-bar voltage control strategy of power is as shown in Figure 2.
Optionally, above-mentioned each module can be communicated with CAN bus, and each module respectively sends oneself state and data, be received The data of other modules of system realize convenient, flexible system building.
It should also be noted that, above-mentioned each module can be individually present, it can also be with function integrated combination together.
In addition it is also necessary to explanation, traditional photovoltaic directly drives air-conditioning technical with AC adapter and DC frequency-changing pressure Two major part of contracting machine driver is integrated.The present invention is on this basis using rectifier and DC frequency-changeable compressor driver as two A independent module, i.e. AC adapter module 10 and direct-flow air conditioner, while " DC+ " and " DC- " of open DC bus b, can To allow the access of other DC energy sources.
Air-conditioning system of the invention can construct as follows:
1, DC frequency converting air-conditioner is chosen, two-way DC/DC module and energy-storage battery, unidirectional DC/DC module and photovoltaic hair are matched Electric array, convenient, flexible building off-network light storage integrated system or.
2, two-way DC/DC module and energy-storage battery can multiple modules in parallel input each module according to DC bus b voltage Fluctuation and each module pass through the real-time status of bus communication data feedback, realize the linkage control of each module, avoid energy storage mould The circulation problem of block.
1. being inputted as the control of DC bus b voltage in 600V, DC load power is constant under stable state in photovoltaic power generation Power increases, and DC bus b voltage is increased to 605V, if each energy-storage module reduces discharge power in discharge condition;If In charged state, then increase charge power., whereas if photovoltaic power generation input power reduce, then DC bus b voltage drop down to After 595V, each energy-storage module increases discharge power;If photovoltaic is discharged by energy storage without output and provides the energy.
2. if DC frequency converting air-conditioner needs to improve frequency and increases power, by issuing demand on the data bus in advance, Each energy-storage module is ready, and is opened energy storage if DC bus b voltage starts to be reduced to 595V and is stepped up discharge power. The amplitude that DC frequency converting air-conditioner increases or decreases power is limited in 500W/s hereinafter, ensureing the stationarity of bus control.
3. if DC frequency converting air-conditioner needs to reduce frequency and reduces power, by issuing demand on the data bus in advance, Each energy-storage module is ready, and is opened energy storage if DC bus b voltage starts to be increased to 605V and is stepped up charge power. The amplitude that DC frequency converting air-conditioner increases or decreases power is limited in 500W/s hereinafter, ensureing the stationarity of bus control.
As shown in the above, technical solution of the present invention realizes following technical effect:
1, by standardized module interface, the input in parallel of the various energy resources of DC frequency converting air-conditioner is realized;
2, by first diode D1 and the second diode D2 isolated DC bus b, prevent the shunting unevenness of each module from asking Topic.
3, dereliction bus marco strategy realizes the Optimum utilization strategy of the energy, controls energy using the voltage change of DC bus Current power flow direction between source module.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the embodiment of the present invention can have various modifications and variations.All within the spirits and principles of the present invention, made Any modification, equivalent substitution, improvement and etc. should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of air-conditioning system characterized by comprising
AC adapter (10), the exchange end of the AC adapter (10) with AC network (a) for being connected;
Direct-flow air conditioner is connected with the DC terminal of the AC adapter (10) by DC bus (b);
Photovoltaic cell group is connected with the DC bus (b), for powering to the DC bus (b);
DC power supply terminal is connected with the DC bus (b), for powering to the DC bus (b).
2. air-conditioning system according to claim 1, which is characterized in that the air-conditioning system further includes unidirectional DC/DC module (50), the first port of the photovoltaic cell group is connected by the unidirectional DC/DC module (50) with the DC bus (b), The unidirectional DC/DC module (50) is used to adjust the output voltage of the photovoltaic cell.
3. air-conditioning system according to claim 1, which is characterized in that the air-conditioning system further includes direct current protecting module (60), the DC power supply terminal is connect by the direct current protecting module (60) with the DC bus (b).
4. air-conditioning system according to claim 1, which is characterized in that the air-conditioning system further includes energy-storage battery, described The port of energy-storage battery is connected with the DC bus (b), the energy-storage battery be used for the DC bus (b) power or from DC bus (b) storage.
5. air-conditioning system according to claim 4, which is characterized in that the air-conditioning system further includes two-way DC/DC module, The port of the energy-storage battery is connected by the two-way DC/DC module with the DC bus (b), the two-way DC/DC mould Block is used to adjust the energy-storage battery to the supply voltage of the DC bus (b), or adjusts the DC bus (b) to institute State the charging voltage of energy-storage battery.
6. air-conditioning system according to claim 1, which is characterized in that the air-conditioning system further includes DC/AC current transformer, institute It states DC bus (b) to be also connected by the DC/AC current transformer with the AC network (a), the DC bus (b) passes through institute DC/AC current transformer is stated to power to the AC network (a).
7. air-conditioning system according to claim 6, which is characterized in that the second port of the photovoltaic cell group also with it is described DC/AC current transformer is connected, and the photovoltaic cell group powers to the AC network (a) by the DC/AC current transformer.
8. air-conditioning system according to claim 6, which is characterized in that the second port of the photovoltaic cell group with it is described It is provided with first diode (D1) on the connected flow path of DC/AC current transformer, the first diode (D1) is by the photovoltaic cell The second port of group is connected to the DC/AC current transformer individual event.
9. air-conditioning system according to claim 6, which is characterized in that the second port of the photovoltaic cell group and described straight It flows bus (b) to be connected, is provided with second on the flow path that the second port of the photovoltaic cell group is connected with the DC bus (b) Diode (D2), second diode (D2) is from the second port of the photovoltaic cell group to DC bus (b) individual event Conducting.
10. air-conditioning system according to claim 1, which is characterized in that the direct-flow air conditioner is DC frequency converting air-conditioner.
CN201910556024.8A 2019-06-25 2019-06-25 air conditioning system Pending CN110247388A (en)

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Application Number Priority Date Filing Date Title
CN201910556024.8A CN110247388A (en) 2019-06-25 2019-06-25 air conditioning system

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Application Number Priority Date Filing Date Title
CN201910556024.8A CN110247388A (en) 2019-06-25 2019-06-25 air conditioning system

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CN110247388A true CN110247388A (en) 2019-09-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114234307A (en) * 2021-11-17 2022-03-25 青岛海尔空调器有限总公司 Solar air conditioner, control method thereof, electronic device and storage medium

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Publication number Priority date Publication date Assignee Title
WO2011051765A1 (en) * 2009-10-02 2011-05-05 パナソニック電工株式会社 Power source optimisation device for electric power supply system
CN102705944A (en) * 2012-06-28 2012-10-03 南车株洲电力机车研究所有限公司 Solar frequency-conversion air-conditioning system
CN105281352A (en) * 2014-06-06 2016-01-27 �林昌明 Photovoltaic power-energy storage integrated off-grid system and multistage optimization control method thereof
CN205104903U (en) * 2015-10-27 2016-03-23 中广核太阳能开发有限公司 Non - contravariant type light stores up little electric wire netting of direct current system for modern architecture

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011051765A1 (en) * 2009-10-02 2011-05-05 パナソニック電工株式会社 Power source optimisation device for electric power supply system
CN102705944A (en) * 2012-06-28 2012-10-03 南车株洲电力机车研究所有限公司 Solar frequency-conversion air-conditioning system
CN105281352A (en) * 2014-06-06 2016-01-27 �林昌明 Photovoltaic power-energy storage integrated off-grid system and multistage optimization control method thereof
CN205104903U (en) * 2015-10-27 2016-03-23 中广核太阳能开发有限公司 Non - contravariant type light stores up little electric wire netting of direct current system for modern architecture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114234307A (en) * 2021-11-17 2022-03-25 青岛海尔空调器有限总公司 Solar air conditioner, control method thereof, electronic device and storage medium

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