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Air conditioner and control method of air conditioner

A control method and air conditioner technology, which is applied in heating and ventilation control systems, heating methods, space heating and ventilation, etc., can solve the problems of reducing compressor reliability, shortening compressor life, and high cost of air conditioners, so as to reduce The effect of compression ratio, simple control and simple structure

Pending Publication Date: 2019-08-27
GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
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Problems solved by technology

[0002] In the related technology, the air-supplementing air-jet enthalpy-increasing compressor is used to improve the low-temperature heating performance of the compressor. This method will cause the refrigerant to enter the compressor cavity with liquid, and the long-term operation of the compressor with suction and liquid will cause serious problems. Shorten the life of the compressor and reduce the reliability of the compressor; in addition, if a two-stage compressor is used to enhance the low-temperature heating performance of the compressor, the cost of the air conditioner will be high, the floor space will be large, and the control will be difficult

Method used

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  • Air conditioner and control method of air conditioner
  • Air conditioner and control method of air conditioner
  • Air conditioner and control method of air conditioner

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Embodiment Construction

[0038] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0039] The following describes an air conditioner 100 according to an embodiment of the present invention with reference to the accompanying drawings.

[0040] refer to figure 1 As shown, the air conditioner 100 according to the embodiment of the present invention may include a compressor 1, a reversing assembly 2, an indoor fan 3, an indoor heat exchanger 4, a refrigerant mixer 5, a control valve 6, a throttling element 7, an outdoor exchanging Heater 8, outdoor fan 9, first temperature detection device 101, second temperature detectio...

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Abstract

The invention discloses an air conditioner and a control method of the air conditioner. The air conditioner comprises a compressor, a reversing assembly, an indoor heat exchanger, an outdoor heat exchanger, a refrigerant mixer, a control valve, a first temperature detecting device, a second temperature detecting device and a controller, wherein the compressor is provided with a gas return hole anda gas exhaust hole, a throttle element is in series connection between the second end of the outdoor heat exchanger and the second end of the indoor heat exchanger; the refrigerant mixer is providedwith a mixing cavity; the mixing cavity is provided with a first inlet, a second inlet and an outlet; the first inlet is connected to a gas return interface, and the outlet is connected to a gas return hole; the control valve is in series connection between the gas exhaust hole and the second inlet; and the controller is electrically connected to the first temperature detecting device, the secondtemperature detecting device and the control valve separately to control opening and closing of the control valve according to detected results of the first temperature detecting device and the secondtemperature detecting device. The air conditioner disclosed by the invention can improve returned gas superheat degree of the compressor, facilities realizing efficient reliable operation of the airconditioner, and is low in cost.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to an air conditioner and a control method for the air conditioner. Background technique [0002] In the related technology, the air-supplementing air-jet enthalpy-increasing compressor is used to improve the low-temperature heating performance of the compressor. This method will cause the refrigerant to enter the compressor cavity with liquid, and the long-term operation of the compressor with suction and liquid will cause serious problems. Shorten the life of the compressor and reduce the reliability of the compressor; in addition, if a two-stage compressor is used to enhance the low-temperature heating performance of the compressor, the cost of the air conditioner will be high, the floor space will be large, and the control will be difficult. Therefore, how to improve the energy efficiency of the air conditioner while reducing the cost is a technical problem urgently nee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/49F24F11/32F24F11/64F24F11/61F24F11/84F24F11/67F24F140/20F24F110/12
CPCF24F11/32F24F11/49F24F11/61F24F11/64F24F11/67F24F11/84F24F2110/12F24F2140/20
Inventor 苏仁杰王庆仙杨晓东
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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