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Refrigeration system control method and control circuit

A refrigeration system and control method technology, applied in refrigeration and liquefaction, refrigerators, refrigeration components, etc., can solve the problems of inability to meet the requirements of users' refrigeration capacity, low refrigeration capacity, etc., and achieve the effect of strong refrigeration capacity and improved freezing speed

Active Publication Date: 2016-08-03
HAIER GRP CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of design tends to lead to the low cooling capacity of the single-system freezer when meeting the power consumption requirements, which cannot meet the user's cooling capacity requirements.

Method used

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  • Refrigeration system control method and control circuit
  • Refrigeration system control method and control circuit
  • Refrigeration system control method and control circuit

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Embodiment Construction

[0033] Aiming at the defects of the prior art, the embodiment of the present invention provides a control method of a refrigeration system, wherein the above-mentioned refrigeration system includes a compressor 1, a controller 2 and a heat exchanger 3, and the compressor 1 is used for exchanging heat The refrigerant delivered in the device is compressed, and the schematic diagram of the refrigeration system can be found in figure 1 shown. figure 2 It is a schematic flow chart of the control method of the refrigeration system in the embodiment of the present invention, such as figure 2 As shown, the control method includes:

[0034] Step 101, the controller 2 obtains a control instruction;

[0035] Step 102, the controller 2 controls the heat exchanger 3 of the refrigeration system to work in the first working mode or the second working mode according to the control instruction, and the heat exchanger 3 works in the first working mode with a temperature less than The heat ...

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Abstract

The invention provides a control method and a control circuit of a refrigeration system, wherein the refrigeration system includes a compressor, a controller and a heat exchanger, and the compressor is used to compress the refrigerant transported in the heat exchanger, and the control method It includes: the controller obtains the control instruction; the controller controls the heat exchanger of the refrigeration system to work in the first working mode or the second working mode according to the control command, and when the heat exchanger works in the first working mode It has a heat exchange area smaller than that of the heat exchanger in the second working mode. The invention also provides a corresponding control circuit. The technical solutions provided by the embodiments of the present invention can simultaneously meet the requirements on power consumption and refrigeration capacity.

Description

technical field [0001] The invention relates to refrigeration control technology, in particular to a control method and a control circuit of a refrigeration system. Background technique [0002] The refrigeration system of refrigeration equipment can be divided into two parts: a compressor and a heat exchanger. The heat exchanger can include a condenser, a dry filter, a capillary tube and an evaporator. After the refrigerant is output from the compressor, it flows through the above-mentioned For horizontal freezers, it usually uses a single refrigeration system, that is, there is only one light tube evaporator, and the evaporation temperature is adjusted through a capillary tube. The flow rate of the capillary tube is fixed, so the evaporation of the refrigeration system at a certain working temperature The temperature and condensing temperature are also fixed. The Coefficient Of Performance (COP) and cooling capacity of the same refrigeration system are also fixed. The COP ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B49/02F25D29/00
Inventor 马坚肖长亮刘越张天鹏芦小飞彭灿姚书强
Owner HAIER GRP CORP