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A method and device for controlling an electronic expansion valve

A technology of an electronic expansion valve and a control method, applied in the electromechanical field

Active Publication Date: 2021-07-02
GUANGDONG CHICO ELECTRONIC INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the above problems, the purpose of the embodiment of the present invention is to provide a control method and device for an electronic expansion valve, which solves the problem of coordinating the electronic expansion valve of the main circuit and the electronic expansion valve of the auxiliary circuit in various modes of the variable frequency low-temperature hot and cold water machine. Problems with the valve working

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  • A method and device for controlling an electronic expansion valve
  • A method and device for controlling an electronic expansion valve
  • A method and device for controlling an electronic expansion valve

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Embodiment Construction

[0048] refer to figure 1 and figure 2 , an embodiment of the present invention provides a control method for an electronic expansion valve, including a control method for a main circuit electronic expansion valve and a control method for an auxiliary circuit electronic expansion valve;

[0049] The method for controlling the main circuit electronic expansion valve includes the following steps:

[0050] S100, the electronic expansion valve of the main circuit is initialized;

[0051] S200, the unit is powered on, and the main circuit electronic expansion valve sets the initial opening of the main circuit according to the setting mode and ambient temperature;

[0052] S300, the compressor is turned on, and the electronic expansion valve of the main circuit realizes exhaust protection;

[0053]S400, when the discharge temperature of the compressor is less than or equal to the set value of the discharge temperature of the first main circuit compressor, the electronic expansion...

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Abstract

The invention discloses a control method of an electronic expansion valve, which includes a main circuit electronic expansion valve control method and an auxiliary circuit electronic expansion valve control method. At the same time, an electronic expansion valve control device adopts the above electronic expansion valve control method to control the electronic expansion valve; it ensures that the equipment can adjust the throttling depth by itself in different environments and different working conditions , so that the equipment can run efficiently, safely and stably.

Description

technical field [0001] The invention relates to the electromechanical field, in particular to a method and device for controlling an electronic expansion valve. Background technique [0002] At present, the electronic expansion valve is an important part of the cold cycle circuit of the variable frequency low temperature cold and hot water machine. For better results, some frequency conversion low temperature cold water machines are applied to the main circuit electronic expansion valve and auxiliary circuit electronic expansion valve, and the frequency conversion low temperature cold water machine has multiple modes. How to coordinate the work of the main circuit electronic expansion valve and the auxiliary circuit electronic expansion valve in multiple modes of the variable frequency low-temperature cold and hot water machine has become an important problem in this field. Contents of the invention [0003] In order to solve the above problems, the purpose of the embodim...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B49/02F25B41/31F25B41/34
CPCF25B49/02F25B41/31Y02B30/70
Inventor 李百尧贾捷何卫华
Owner GUANGDONG CHICO ELECTRONIC INC