Wiring terminal overheating detection circuit and single-phase charge control intelligent ammeter
The invention discloses a wiring terminal overheating detection circuit and a single-phase charge control intelligent ammeter, and belongs to the field of electric energy measurement. The problems that according to an existing single-phase charge control intelligent ammeter, due to the overheating p...
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| creator | WU ZHIWEI SHEN SICHEN LI XIAOHUI GAO SHUHAN SONG BAIYAN LIU ZHONGYU XU JIDONG ZHANG CHUANGANG LIU MINGHUI |
| description | The invention discloses a wiring terminal overheating detection circuit and a single-phase charge control intelligent ammeter, and belongs to the field of electric energy measurement. The problems that according to an existing single-phase charge control intelligent ammeter, due to the overheating phenomenon of a wiring terminal, an ammeter is scrapped, a fire is even caused, and economic loss iscaused are solved. The wiring terminal overheating detection circuit comprises an integrated circuit, two thermistors, six resistors and a diode. Temperature collection is completed through the two thermistors, conversion from temperature to voltage is completed through the first resistor and the second resistor, reference voltage is set through the first resistor and the second resistor, the sixth resistor is a pull-up resistor shared by two voltage comparators, the one-way return difference function is completed through the fifth resistor and the diode, and comparison of two ways of voltageis completed through the i |
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The problems that according to an existing single-phase charge control intelligent ammeter, due to the overheating phenomenon of a wiring terminal, an ammeter is scrapped, a fire is even caused, and economic loss iscaused are solved. The wiring terminal overheating detection circuit comprises an integrated circuit, two thermistors, six resistors and a diode. Temperature collection is completed through the two thermistors, conversion from temperature to voltage is completed through the first resistor and the second resistor, reference voltage is set through the first resistor and the second resistor, the sixth resistor is a pull-up resistor shared by two voltage comparators, the one-way return difference function is completed through the fifth resistor and the diode, and comparison of two ways of voltageis completed through the i</description><language>chi ; eng</language><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS ; GENERATION ; MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; MEASURING QUANTITY OF HEAT ; MEASURING TEMPERATURE ; PHYSICS ; TESTING ; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR</subject><creationdate>2018</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=20180720&DB=EPODOC&CC=CN&NR=108303193A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25555,76308</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180720&DB=EPODOC&CC=CN&NR=108303193A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WU ZHIWEI</creatorcontrib><creatorcontrib>SHEN SICHEN</creatorcontrib><creatorcontrib>LI XIAOHUI</creatorcontrib><creatorcontrib>GAO SHUHAN</creatorcontrib><creatorcontrib>SONG BAIYAN</creatorcontrib><creatorcontrib>LIU ZHONGYU</creatorcontrib><creatorcontrib>XU JIDONG</creatorcontrib><creatorcontrib>ZHANG CHUANGANG</creatorcontrib><creatorcontrib>LIU MINGHUI</creatorcontrib><title>Wiring terminal overheating detection circuit and single-phase charge control intelligent ammeter</title><description>The invention discloses a wiring terminal overheating detection circuit and a single-phase charge control intelligent ammeter, and belongs to the field of electric energy measurement. 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The problems that according to an existing single-phase charge control intelligent ammeter, due to the overheating phenomenon of a wiring terminal, an ammeter is scrapped, a fire is even caused, and economic loss iscaused are solved. The wiring terminal overheating detection circuit comprises an integrated circuit, two thermistors, six resistors and a diode. Temperature collection is completed through the two thermistors, conversion from temperature to voltage is completed through the first resistor and the second resistor, reference voltage is set through the first resistor and the second resistor, the sixth resistor is a pull-up resistor shared by two voltage comparators, the one-way return difference function is completed through the fifth resistor and the diode, and comparison of two ways of voltageis completed through the i</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE PHYSICS TESTING THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR |
| title | Wiring terminal overheating detection circuit and single-phase charge control intelligent ammeter |
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