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Control method of heat pump drying system

A technology of heat pump drying and control method, which is applied in drying, drying machine, drying gas arrangement, etc., can solve the problems of lack of heat pump drying system control method, achieve automatic control, avoid manual operation, and improve work efficiency Effect

Active Publication Date: 2021-02-12
张勇
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is a lack of technology related to the control method of the heat pump drying system in the prior art

Method used

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  • Control method of heat pump drying system
  • Control method of heat pump drying system
  • Control method of heat pump drying system

Examples

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Embodiment 1

[0056] This embodiment provides a control method for a heat pump drying system, such as figure 1 As shown, the heat pump drying system includes a controller, a return air duct 101, a first air supply duct 102, a second air supply duct 103, a compressor driven by the controller 104, and a first heat exchanger 105. , the second heat exchanger 106, the throttling structure 109, the first fan 107 and the second fan 108, the first heat exchanger 105 includes a first heat exchange part 1051 and a second heat exchange part 1052;

[0057] The control method of the heat pump drying system is executed by a controller, and the control method of the heat pump drying system includes the following steps:

[0058] S1. Receive the start request of the heat pump drying system, output the fan start command to the first fan 107 and the second fan 108, and output the compressor start command to the compressor 104;

[0059] S2. Receive and process the relative humidity data of the return air duct...

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Abstract

The invention relates to the technical field of heat pump drying, and aims to provide a control method of a heat pump drying system. The control method of the heat pump drying system is executed by acontroller and comprises the following steps: receiving a starting request of the heat pump drying system, outputting a draught fan starting command to a first draught fan and a second draught fan, and outputting a compressor starting command to a compressor; receiving and processing relative humidity data of an air return duct, relative humidity data of a first air supply duct, dry-bulb temperature data of the first air supply duct and / or wet-bulb temperature data of the first air supply duct in real time; outputting an air volume decreasing command of a first heat exchange part and outputting an air volume increasing command of a second heat exchange part; or outputting an air volume increasing command of the first heat exchange part and outputting an air volume decreasing command of thesecond heat exchange part. According to the control method of the heat pump drying system, automatic control over the heat pump drying system is achieved, manual operation of operators is avoided, inaddition, the control method of the heat pump drying system can perform controlling according to different dried objects and drying technologies, and the working efficiency of the heat pump drying system can be further improved.

Description

technical field [0001] The invention relates to the technical field of heat pump drying, in particular to a control method for a heat pump drying system. Background technique [0002] In order to increase the dehumidification capacity, the treated space of the conventional dehumidification-type heat pump drying system often reduces the air volume after passing through the evaporator, and then passes through the condenser, which will cause the temperature difference of the treated air to be large and the flow rate to be small, making the condensation temperature very high, thus cooling Cycle efficiency is low. [0003] In order to solve the problem of low efficiency of the refrigeration cycle in the prior art, the invention application with application number 202010923235.3 discloses a high-efficiency heat pump drying system. The high-efficiency heat pump drying system includes a return air duct, a first air supply duct, a second An air supply duct, a compressor, a first hea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B21/00F26B21/06F26B21/08F26B21/10F26B21/12
CPCF26B21/002F26B21/004F26B21/06F26B21/08F26B21/10F26B21/12Y02P70/10
Inventor 张勇
Owner 张勇
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