Anti-freezing control circuit of welding equipment water-cooling system
The utility model discloses an anti-freezing control circuit of a water cooling system of welding equipment, which comprises a first branch, a second branch, a third branch, a fourth branch, a fifth branch, a sixth branch and a seventh branch. The anti-freezing control circuit further comprises a se...
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| creator | ZHANG CHUNYUAN XU JIANNAN CHEN SHUAI WEI BO WU ZENGJIE ZHANG WEI HUANG GUOQIANG LAI JINCHUN |
| description | The utility model discloses an anti-freezing control circuit of a water cooling system of welding equipment, which comprises a first branch, a second branch, a third branch, a fourth branch, a fifth branch, a sixth branch and a seventh branch. The anti-freezing control circuit further comprises a second branch connected to the two ends of the start-stop switch in parallel, and the second branch isformed by connecting a first contact, a second contact and a time relay contact of the selection switch in series. The contact of the time relay is controlled by a third branch circuit; and the thirdbranch circuit is formed by connecting an air circuit breaker, contacts (3 and 4) of a selection switch and a time relay coil in series. And the time relay is a DH48S-S time relay. And the selectionswitch is an XB2BD21C selection switch. The anti-frost-cracking device is simple in circuit structure, does not need to be attended by a specially-assigned person, can effectively prevent frost cracking of the cooling water pip |
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The anti-freezing control circuit further comprises a second branch connected to the two ends of the start-stop switch in parallel, and the second branch isformed by connecting a first contact, a second contact and a time relay contact of the selection switch in series. The contact of the time relay is controlled by a third branch circuit; and the thirdbranch circuit is formed by connecting an air circuit breaker, contacts (3 and 4) of a selection switch and a time relay coil in series. And the time relay is a DH48S-S time relay. And the selectionswitch is an XB2BD21C selection switch. The anti-frost-cracking device is simple in circuit structure, does not need to be attended by a specially-assigned person, can effectively prevent frost cracking of the cooling water pip</description><language>chi ; eng</language><subject>CLADDING OR PLATING BY SOLDERING OR WELDING ; CONTROL OR REGULATING SYSTEMS IN GENERAL ; CONTROLLING ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS ; MACHINE TOOLS ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS ; PERFORMING OPERATIONS ; PHYSICS ; REGULATING ; SOLDERING OR UNSOLDERING ; TRANSPORTING ; WELDING ; WORKING BY LASER BEAM</subject><creationdate>2019</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=20191112&DB=EPODOC&CC=CN&NR=209625036U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20191112&DB=EPODOC&CC=CN&NR=209625036U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHANG CHUNYUAN</creatorcontrib><creatorcontrib>XU JIANNAN</creatorcontrib><creatorcontrib>CHEN SHUAI</creatorcontrib><creatorcontrib>WEI BO</creatorcontrib><creatorcontrib>WU ZENGJIE</creatorcontrib><creatorcontrib>ZHANG WEI</creatorcontrib><creatorcontrib>HUANG GUOQIANG</creatorcontrib><creatorcontrib>LAI JINCHUN</creatorcontrib><title>Anti-freezing control circuit of welding equipment water-cooling system</title><description>The utility model discloses an anti-freezing control circuit of a water cooling system of welding equipment, which comprises a first branch, a second branch, a third branch, a fourth branch, a fifth branch, a sixth branch and a seventh branch. The anti-freezing control circuit further comprises a second branch connected to the two ends of the start-stop switch in parallel, and the second branch isformed by connecting a first contact, a second contact and a time relay contact of the selection switch in series. The contact of the time relay is controlled by a third branch circuit; and the thirdbranch circuit is formed by connecting an air circuit breaker, contacts (3 and 4) of a selection switch and a time relay coil in series. And the time relay is a DH48S-S time relay. And the selectionswitch is an XB2BD21C selection switch. 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| language | chi ; eng |
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| subjects | CLADDING OR PLATING BY SOLDERING OR WELDING CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PERFORMING OPERATIONS PHYSICS REGULATING SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM |
| title | Anti-freezing control circuit of welding equipment water-cooling system |
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