Control method for electronic expansion valve of heat pump dryer

The invention discloses a control method for an electronic expansion valve of a heat pump dryer. The control method comprises the following steps that S1, a control mode is determined; s2, whether a compressor is started or not is determined; if the compressor is started, the initial opening degree...

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Hauptverfasser:	LI BICHAO, SUN YOUCHENG, WU ZILAI, LU YULIN, PAN JINGSONG, LI XIAOJUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS
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creator	LI BICHAO SUN YOUCHENG WU ZILAI LU YULIN PAN JINGSONG LI XIAOJUN
description	The invention discloses a control method for an electronic expansion valve of a heat pump dryer. The control method comprises the following steps that S1, a control mode is determined; s2, whether a compressor is started or not is determined; if the compressor is started, the initial opening degree is maintained, waiting is carried out for 60 seconds, and S3 is carried out; if the compressor is not started, the initial opening degree is maintained, and the compressor is started again; s3, the exhaust temperature is collected, and the target exhaust temperature is obtained; s4, performing PID calculation to obtain an execution action step; s5, the electronic expansion valve executes the corresponding step number; s6, whether the compressor is started or not is determined; if so, waiting for a PID regulation period; if not, entering S2; s7, determining the minimum opening degree of the electronic expansion valve, wherein the minimum opening degree is determined by the minimum opening degree of the parameter mai
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The control method comprises the following steps that S1, a control mode is determined; s2, whether a compressor is started or not is determined; if the compressor is started, the initial opening degree is maintained, waiting is carried out for 60 seconds, and S3 is carried out; if the compressor is not started, the initial opening degree is maintained, and the compressor is started again; s3, the exhaust temperature is collected, and the target exhaust temperature is obtained; s4, performing PID calculation to obtain an execution action step; s5, the electronic expansion valve executes the corresponding step number; s6, whether the compressor is started or not is determined; if so, waiting for a PID regulation period; if not, entering S2; s7, determining the minimum opening degree of the electronic expansion valve, wherein the minimum opening degree is determined by the minimum opening degree of the parameter mai</description><language>chi ; eng</language><subject>BLASTING ; COMBINED HEATING AND REFRIGERATION SYSTEMS ; HEAT PUMP SYSTEMS ; HEATING ; LIGHTING ; LIQUEFACTION SOLIDIFICATION OF GASES ; MANUFACTURE OR STORAGE OF ICE ; MECHANICAL ENGINEERING ; REFRIGERATION MACHINES, PLANTS OR SYSTEMS ; REFRIGERATION OR COOLING ; WEAPONS</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20231010&DB=EPODOC&CC=CN&NR=116857856A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20231010&DB=EPODOC&CC=CN&NR=116857856A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LI BICHAO</creatorcontrib><creatorcontrib>SUN YOUCHENG</creatorcontrib><creatorcontrib>WU ZILAI</creatorcontrib><creatorcontrib>LU YULIN</creatorcontrib><creatorcontrib>PAN JINGSONG</creatorcontrib><creatorcontrib>LI XIAOJUN</creatorcontrib><title>Control method for electronic expansion valve of heat pump dryer</title><description>The invention discloses a control method for an electronic expansion valve of a heat pump dryer. 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subjects	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS
title	Control method for electronic expansion valve of heat pump dryer
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