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Unloading expansion valve heat pump unit, control method and device thereof and storage medium

A technology of a heat pump unit and a control method, which is applied in the field of heat pumps, can solve problems such as difficult temperature control, and achieve the effect of reducing costs and realizing rapid fine adjustment

Active Publication Date: 2020-10-27
广东奥伯特节能设备有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Existing heat pump units are difficult to achieve precise and rapid temperature control

Method used

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  • Unloading expansion valve heat pump unit, control method and device thereof and storage medium
  • Unloading expansion valve heat pump unit, control method and device thereof and storage medium
  • Unloading expansion valve heat pump unit, control method and device thereof and storage medium

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Embodiment Construction

[0041] In the embodiments of the present invention, the unloaded expansion valve heat pump unit refers to a heat pump unit with an unloaded expansion valve on the compressor. refer to figure 1 , the unloaded expansion valve heat pump includes a compressor, an unloaded expansion valve, a temperature measurement module and a control module, the unloaded expansion valve is connected to the compressor, the control module is respectively connected to the compressor, the temperature measurement module and the unloaded expansion valve, and the control module controls the compressor Work with the unloading expansion valve, specifically, the control module can control the working state of the compressor, including opening or closing the compressor, and controlling the opening of the unloading expansion valve.

[0042] The temperature measurement module detects the output temperature of the unloaded expansion valve heat pump unit. In actual use, you can choose to detect the temperature ...

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Abstract

The invention discloses an unloading expansion valve heat pump unit, a control method and device thereof and a storage medium. The unloading expansion valve heat pump unit comprises a compressor, an unloading expansion valve, a temperature measurement module and a control module, and the control module controls the opening degree of the unloading expansion valve according to the output temperatureinterval. The unloading expansion valve is applied to a heat pump unit, and a control logic is configured for the unloading expansion valve, so that the unloading expansion valve can be controlled, fine adjustment of the output temperature can be realized, the rapid fine adjustment of the output temperature can be realized, and when the unloading expansion valve heat pump unit is applied to occasions such as material drying, various drying processes can be easily realized. Compared with some output temperature fine adjustment technologies realized by using a digital scroll compressor or a variable frequency compressor, fine adjustment of the output temperature is realized by using the unloading expansion valve, and the cost is reduced. The unloading expansion valve heat pump unit is widely applied to the technical field of heat pumps.

Description

technical field [0001] The invention relates to the technical field of heat pumps, in particular to an unloading expansion valve heat pump unit and its control method, device and storage medium. Background technique [0002] Most of the existing heat pump units use fixed-frequency compressors. Although they can output stable heat, when they are used in material drying and other occasions, it is often necessary to control the temperature of the material to change in multiple stages to achieve various drying processes. Existing heat pump units are difficult to achieve precise and rapid temperature control. [0003] Terminology Explanation [0004] Unloading expansion valve: It is an application form of electronic expansion valve. The electronic expansion valve uses the electrical signal generated by the adjusted parameters to control the voltage or current applied to the expansion valve, so as to achieve the purpose of adjusting the liquid supply. The electronic expansion v...

Claims

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Application Information

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IPC IPC(8): F25B30/02F26B23/10F25B41/06F25B49/02
CPCF25B30/02F25B49/02F26B23/10Y02B30/70
Inventor 杜泽波余栋伟陈曦
Owner 广东奥伯特节能设备有限公司
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