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Control method and device of heat pump unit

The technology of a heat pump unit and a control method, which is applied in the field of heat pumps, can solve the problems of low indoor temperature adjustment accuracy and the like, and achieve the effects of good control accuracy and high control accuracy.

Inactive Publication Date: 2018-04-17
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention aims to solve the technical problem of low adjustment accuracy of the heat pump unit for indoor temperature in the prior art, thereby providing a control method and device for the heat pump unit

Method used

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  • Control method and device of heat pump unit
  • Control method and device of heat pump unit
  • Control method and device of heat pump unit

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Embodiment Construction

[0032] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0033] In the description of the present invention, it should be noted that the terms "first", "second", and "third" are used for description purposes only, and should not be understood as indicating or implying relative importance.

[0034] In addition, the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not constitute conflicts with each other.

[0035] An embodiment of the present invention provides a control me...

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Abstract

The invention discloses a control method and device of a heat pump unit. The method comprises the following steps: acquiring an outdoor ambient temperature; determining a frequency regulating parameter according to the outdoor ambient temperature, wherein the frequency regulating parameter is used for regulating and correcting compressor running frequency; utilizing the frequency regulating parameter and the compressor running frequency determined at the last moment to calculate compressor running frequency at the current moment; and controlling a compressor work according to the compressor running frequency at the current moment. The control accuracy of the compressor running frequency is better, and the control precision of indoor ambient temperature is higher.

Description

technical field [0001] The invention relates to the technical field of heat pumps, in particular to a control method and device for a heat pump unit. Background technique [0002] In recent years, the application of heat pump technology in residential heating in winter has become the mainstream. Considering the comfort of water system heating, most of them use heat pump water heaters. Since in the process of practical application, the building envelope and the heating end of the user end are different, how to control the heat pump host to match the heat load required by the building to meet the comfort required by the user has become a major research direction. At present, the control of heat pump units usually takes the outlet water temperature as the control target, and the operating frequency of the compressor is controlled by detecting the outlet water temperature. However, for different building envelope structures and heating terminals, the outlet water temperature is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B49/02F24D19/10
CPCF25B49/022F24D19/1039F24D2200/123F25B2600/0253F25B2700/2104F25B2700/2106
Inventor 柯彬彬林海佳尚瑞刘彩赢吴一梅
Owner GREE ELECTRIC APPLIANCES INC
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