Heat pump air conditioning system, heat exchanger and control method of heat pump air conditioning system

A technology of heat pump air conditioner and air conditioner controller, which is applied in the direction of air conditioner system, heating method, heating and ventilation control system, etc., to achieve the effect of effective defrosting

Active Publication Date: 2017-02-15
HANGZHOU SANHUA RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

(2) The frost has been serious, but the defrosting program has not been started

Method used

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  • Heat pump air conditioning system, heat exchanger and control method of heat pump air conditioning system
  • Heat pump air conditioning system, heat exchanger and control method of heat pump air conditioning system
  • Heat pump air conditioning system, heat exchanger and control method of heat pump air conditioning system

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Embodiment Construction

[0034] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0035] It should be noted that the heat pump air-conditioning system in the embodiment of the present invention can be applied not only to an automobile heat pump air-conditioning system, but also to a household heat pump air-conditioning system. The following is an example of an application in an automotive heat pump air-conditioning system.

[0036] refer to figure 1 , which is a schematic diagram of connection of some modules of the heat pump air-conditioning system in the embodiment of the present invention.

[0037] Such as figure 1 As shown, the automobile air conditioning system of this embodiment includes a first sensor 11, a second sensor 12, a controller 13 and a heat exchanger 14;

[0038] In the heating state, the heat exchanger 14 is used as an evaporator, and a gas-liquid boundary is formed between the different states of the r...

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PUM

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Abstract

The embodiment of the invention provides a heat pump air conditioning system which comprises a heat exchanger, a first sensor, a second sensor and an air conditioning controller. The first sensor is arranged on the upstream side, relatively close to the refrigerant flowing direction of the heat exchanger, of a first gas-liquid boundary; the second sensor is arranged on the other side, relatively close to an outlet, of the first gas-liquid boundary and located at the corresponding position of a gas-liquid boundary, namely the second gas-liquid boundary corresponding to a preset bearable heat exchanger frost extreme position; and the air conditioning controller determines whether the frosting area of the heat exchanger reaches the preset frosting extreme position or not according to the signals sent from the first sensor and the second sensor, and makes the heat pump air conditioning system to conduct deforesting treatment if it is judged that the frosting area of the heat exchanger reaches the preset frosting extreme position. In addition, the invention further discloses the heat exchanger of the heat pump air conditioning system and a control method of the heat pump air conditioning system. According to the heat pump air conditioning system, the heat exchanger and the control method of the heat pump air conditioning system, defrosting treatment can be effectively started through monitoring on frosting conditions of the heat pump air conditioning system.

Description

[0001] 【Technical field】 [0002] The invention relates to a heat pump air conditioning system, a heat exchanger and a control method thereof, which are specifically applied in the field of heat pump air conditioning. [0003] 【Background technique】 [0004] At present, in the general heat pump air conditioner, the defrosting strategy is that after the heat pump core operates as an evaporator for a set period of time (Ts), it is forced to enter the defrosting process, and there is no frosting detection process. However, there are many factors that affect the formation of frost, such as ambient temperature and humidity, evaporation temperature, air volume, vehicle speed, etc. In the process of realizing the present invention, when one or more factors of the aforementioned factors change, the speed of frost formation may be different. Entered the defrost program, so more often it may be: (1) There is little or no frost, but the defrost program has been started. (2) The frost ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F5/00F24F11/00F25B47/02
CPCF24F5/001F25B47/02
Inventor 不公告发明人
Owner HANGZHOU SANHUA RES INST CO LTD
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