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Photovoltaic air conditioning system

A photovoltaic air-conditioning and photovoltaic technology, applied in air-conditioning systems, photovoltaic power generation, photovoltaic modules, etc., can solve the problems of poor applicability of photovoltaic air-conditioning systems

Active Publication Date: 2021-09-28
GREE ELECTRIC APPLIANCE INC OF ZHUHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to overcome the deficiencies of the prior art, the present invention provides a photovoltaic air-conditioning system to solve the problem of poor applicability of the photovoltaic air-conditioning system in the prior art

Method used

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Embodiment 1

[0023] refer to figure 1 , is a schematic structural frame diagram of the photovoltaic air-conditioning system in Embodiment 1 of the present invention, the photovoltaic air-conditioning system includes a photovoltaic cell array 10 , a converter unit 20 , an air-conditioning unit 30 , a first DC bus 40 and a second DC bus 50 . The air conditioner unit 30 also includes a first inverter module 31, the first inverter module 31 is a standard part of the air conditioner unit 30 as a part of the air conditioner frequency converter, the first inverter module 31 is used to convert direct current into alternating current to supply power to the load 32, The load 32 includes at least an inverter compressor of the air conditioning unit, and the capacity of the first inverter module 31 is configured according to the power demand of the air conditioning unit 30 . Preferably, the first inverter module 31 is installed onboard and installed on the air conditioning unit 30 .

[0024] The photo...

Embodiment 2

[0034] The photovoltaic air-conditioning system provided by Embodiment 2 of the present invention also includes a cooling device for the inverter unit 20, which uses cooling methods such as air cooling, water cooling, and refrigerant cooling. In an air-cooled manner, a radiator and a cooling fan are provided to cool down the temperature of the inverter unit 20 . In the way of water cooling, the temperature of the variable flow unit 20 is cooled by setting a water pump and a water circulation pipeline.

[0035] Preferably, the flow conversion unit is cooled by means of refrigerant cooling. Such as figure 2 As shown, the air conditioning unit 30 includes an evaporator 33, a condenser 34, a compressor 35 and a first throttling element 36 connected to form a refrigeration cycle system.

[0036] The cooling device for the variable flow unit includes a refrigerant pump 61 , a second throttling element 63 and a heat exchanger (not shown in the figure) which are sequentially arrang...

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Abstract

The invention discloses a photovoltaic air-conditioning system. The photovoltaic air-conditioning system includes a photovoltaic cell array, an air-conditioning unit, a converter unit, and a DC bus. A converter unit is provided between a public grid and an inverter module. The converter unit The capacity is configured according to the demand of the photovoltaic cell array or the public grid. The air conditioning unit is equipped with an inverter module as a standard accessory of the unit. The direct current generated by the photovoltaic cell array and the direct current rectified by the converter unit are sent to the inverter module to supply power to the unit. . According to the technical solution provided by the present invention, the problem of poor applicability of the photovoltaic air-conditioning system in the prior art can be solved. The photovoltaic air-conditioning system provided by the present invention can adapt to various photovoltaic power stations with different capacities, and can make the photovoltaic power station and HVAC seamless Efficient combination.

Description

technical field [0001] The invention relates to the technical fields of power electronics and air conditioning and refrigeration, in particular to a photovoltaic air conditioning system. Background technique [0002] Solar energy, as a clean energy source, has attracted increasing attention. With the development of electrical technology and air-conditioning technology, the technology of using photovoltaics as the energy source of air-conditioners has also emerged. Many patents and papers have disclosed related technologies. For example, Chinese invention patent application CN102705944A discloses a solar inverter air conditioner system, which has an air conditioner inverter including an inverter module and a rectification inverter grid-connected module, which realizes power supply to the air conditioner through photovoltaic cells, and can also be connected to the grid for power generation. [0003] However, the photovoltaic air-conditioning system in the prior art has the pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F5/00F24F11/89F24F11/88H02S40/32H02J3/38
CPCF24F2005/0067H02J2300/24H02J3/381Y02E10/56Y02E70/30H02S40/32H02S40/38F24F5/0046H01L31/042H01L31/05H02J3/38
Inventor 赵志刚陈颖刘怀灿
Owner GREE ELECTRIC APPLIANCE INC OF ZHUHAI
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