Secondary current detecting and judging device of resistance welding machine
The utility model discloses a secondary current detecting and judging device of a resistance welding machine. The secondary current detecting and judging device of the resistance welding machine comprises a detecting retaining circuit for detecting welding secondary current, a comparison control cir...
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| creator | LIU HONGXIAO WANG MIAOZHAO GUO JIANPO CHEN GUIDONG LI MING WANG GUOXING LI JINFA WANG GUANGFANG |
| description | The utility model discloses a secondary current detecting and judging device of a resistance welding machine. The secondary current detecting and judging device of the resistance welding machine comprises a detecting retaining circuit for detecting welding secondary current, a comparison control circuit, a relay K1 and a digital-display controller; the detecting retaining circuit, the comparison control circuit, the relay K1 and the digital-display controller are electrically connected to one another; the comparison control circuit follows up an external triggering pulse signal to control switch-on and switch-off of a contact of the relay K1, so that detecting retaining of the detecting retaining circuit on the secondary current is controlled; and a detecting retaining signal of the detecting retaining circuit is transmitted to the digital-display controller so as to be displayed by the digital-display controller. By the secondary current detecting and judging device of the resistance welding machine, unqualified welding products can be detected automatically, and the quality of welding products is kept. |
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The secondary current detecting and judging device of the resistance welding machine comprises a detecting retaining circuit for detecting welding secondary current, a comparison control circuit, a relay K1 and a digital-display controller; the detecting retaining circuit, the comparison control circuit, the relay K1 and the digital-display controller are electrically connected to one another; the comparison control circuit follows up an external triggering pulse signal to control switch-on and switch-off of a contact of the relay K1, so that detecting retaining of the detecting retaining circuit on the secondary current is controlled; and a detecting retaining signal of the detecting retaining circuit is transmitted to the digital-display controller so as to be displayed by the digital-display controller. By the secondary current detecting and judging device of the resistance welding machine, unqualified welding products can be detected automatically, and the quality of welding products is kept.</description><language>eng</language><subject>CLADDING OR PLATING BY SOLDERING OR WELDING ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; MACHINE TOOLS ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; PERFORMING OPERATIONS ; SOLDERING OR UNSOLDERING ; TRANSPORTING ; WELDING ; WORKING BY LASER BEAM</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=20150708&DB=EPODOC&CC=CN&NR=204449606U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150708&DB=EPODOC&CC=CN&NR=204449606U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LIU HONGXIAO</creatorcontrib><creatorcontrib>WANG MIAOZHAO</creatorcontrib><creatorcontrib>GUO JIANPO</creatorcontrib><creatorcontrib>CHEN GUIDONG</creatorcontrib><creatorcontrib>LI MING</creatorcontrib><creatorcontrib>WANG GUOXING</creatorcontrib><creatorcontrib>LI JINFA</creatorcontrib><creatorcontrib>WANG GUANGFANG</creatorcontrib><title>Secondary current detecting and judging device of resistance welding machine</title><description>The utility model discloses a secondary current detecting and judging device of a resistance welding machine. The secondary current detecting and judging device of the resistance welding machine comprises a detecting retaining circuit for detecting welding secondary current, a comparison control circuit, a relay K1 and a digital-display controller; the detecting retaining circuit, the comparison control circuit, the relay K1 and the digital-display controller are electrically connected to one another; the comparison control circuit follows up an external triggering pulse signal to control switch-on and switch-off of a contact of the relay K1, so that detecting retaining of the detecting retaining circuit on the secondary current is controlled; and a detecting retaining signal of the detecting retaining circuit is transmitted to the digital-display controller so as to be displayed by the digital-display controller. 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The secondary current detecting and judging device of the resistance welding machine comprises a detecting retaining circuit for detecting welding secondary current, a comparison control circuit, a relay K1 and a digital-display controller; the detecting retaining circuit, the comparison control circuit, the relay K1 and the digital-display controller are electrically connected to one another; the comparison control circuit follows up an external triggering pulse signal to control switch-on and switch-off of a contact of the relay K1, so that detecting retaining of the detecting retaining circuit on the secondary current is controlled; and a detecting retaining signal of the detecting retaining circuit is transmitted to the digital-display controller so as to be displayed by the digital-display controller. By the secondary current detecting and judging device of the resistance welding machine, unqualified welding products can be detected automatically, and the quality of welding products is kept.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM |
| title | Secondary current detecting and judging device of resistance welding machine |
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