Water flow detection method, device and system for hot water machine unit
The invention discloses a water flow detection method, device and system for a hot water machine unit. The water flow detection method comprises the following steps: an inlet water and outlet water temperature difference of the hot water machine unit at a first environmental temperature is acquired,...
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| creator | LIU BIN CHEN WANRUI YANG WENJUN MO BINCHAO NIU AN TAN ZEHAN |
| description | The invention discloses a water flow detection method, device and system for a hot water machine unit. The water flow detection method comprises the following steps: an inlet water and outlet water temperature difference of the hot water machine unit at a first environmental temperature is acquired, wherein the inlet water and outlet water temperature difference is the difference of an inlet water temperature and an outlet water temperature of the hot water machine unit at the first environmental temperature; whether the inlet water and outlet water temperature difference is larger than a reference inlet water and outlet water temperature difference, the reference inlet water and outlet water temperature difference is the difference of the inlet water temperature and the outlet water temperature of the hot water machine unit at the first environmental temperature and under the condition of standard water flow; the water flow of the hot water machine unit is determined to be smaller when the inlet water and outlet water temperature difference is detected to be larger than a reference inlet water and outlet water temperature difference. The water flow detection method solves the technical problem that the service life of the hot water machine unit is shortened due to the fact that smaller water flow of the unit can be detected only when the hot water machine unit reports a high-voltage fault in a correlation technique. |
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The water flow detection method comprises the following steps: an inlet water and outlet water temperature difference of the hot water machine unit at a first environmental temperature is acquired, wherein the inlet water and outlet water temperature difference is the difference of an inlet water temperature and an outlet water temperature of the hot water machine unit at the first environmental temperature; whether the inlet water and outlet water temperature difference is larger than a reference inlet water and outlet water temperature difference, the reference inlet water and outlet water temperature difference is the difference of the inlet water temperature and the outlet water temperature of the hot water machine unit at the first environmental temperature and under the condition of standard water flow; the water flow of the hot water machine unit is determined to be smaller when the inlet water and outlet water temperature difference is detected to be larger than a reference inlet water and outlet water temperature difference. The water flow detection method solves the technical problem that the service life of the hot water machine unit is shortened due to the fact that smaller water flow of the unit can be detected only when the hot water machine unit reports a high-voltage fault in a correlation technique.</description><language>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>2015</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=20151230&DB=EPODOC&CC=CN&NR=105202836A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151230&DB=EPODOC&CC=CN&NR=105202836A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LIU BIN</creatorcontrib><creatorcontrib>CHEN WANRUI</creatorcontrib><creatorcontrib>YANG WENJUN</creatorcontrib><creatorcontrib>MO BINCHAO</creatorcontrib><creatorcontrib>NIU AN</creatorcontrib><creatorcontrib>TAN ZEHAN</creatorcontrib><title>Water flow detection method, device and system for hot water machine unit</title><description>The invention discloses a water flow detection method, device and system for a hot water machine unit. The water flow detection method comprises the following steps: an inlet water and outlet water temperature difference of the hot water machine unit at a first environmental temperature is acquired, wherein the inlet water and outlet water temperature difference is the difference of an inlet water temperature and an outlet water temperature of the hot water machine unit at the first environmental temperature; whether the inlet water and outlet water temperature difference is larger than a reference inlet water and outlet water temperature difference, the reference inlet water and outlet water temperature difference is the difference of the inlet water temperature and the outlet water temperature of the hot water machine unit at the first environmental temperature and under the condition of standard water flow; the water flow of the hot water machine unit is determined to be smaller when the inlet water and outlet water temperature difference is detected to be larger than a reference inlet water and outlet water temperature difference. 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The water flow detection method comprises the following steps: an inlet water and outlet water temperature difference of the hot water machine unit at a first environmental temperature is acquired, wherein the inlet water and outlet water temperature difference is the difference of an inlet water temperature and an outlet water temperature of the hot water machine unit at the first environmental temperature; whether the inlet water and outlet water temperature difference is larger than a reference inlet water and outlet water temperature difference, the reference inlet water and outlet water temperature difference is the difference of the inlet water temperature and the outlet water temperature of the hot water machine unit at the first environmental temperature and under the condition of standard water flow; the water flow of the hot water machine unit is determined to be smaller when the inlet water and outlet water temperature difference is detected to be larger than a reference inlet water and outlet water temperature difference. The water flow detection method solves the technical problem that the service life of the hot water machine unit is shortened due to the fact that smaller water flow of the unit can be detected only when the hot water machine unit reports a high-voltage fault in a correlation technique.</abstract><oa>free_for_read</oa></addata></record> |
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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 | Water flow detection method, device and system for hot water machine unit |
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