Power-off braking system for electric wheelchair

The utility model discloses a power-off braking system for an electric wheelchair. The power-off braking system comprises a controller, a power-off detection circuit, a feedback power supply circuit, a DC/DC step-down circuit, an upper bridge braking circuit and a lower bridge braking circuit, the c...

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1. Verfasser:	DONG SHIKUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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creator	DONG SHIKUN
description	The utility model discloses a power-off braking system for an electric wheelchair. The power-off braking system comprises a controller, a power-off detection circuit, a feedback power supply circuit, a DC/DC step-down circuit, an upper bridge braking circuit and a lower bridge braking circuit, the controller is electrically connected with the power-off detection circuit, the feedback power supply circuit, the upper bridge braking circuit and the lower bridge braking circuit. According to the power-off braking system for the electric wheelchair, the power-off detection circuit can be used for monitoring whether power supply of the battery pack is cut off in real time, so that feedback power supply is performed by the feedback power supply circuit and the DC/DC step-down circuit in time when power supply is cut off, and power generated by the transmission wheel motor is supplied to the power-off braking system; furthermore, the upper bridge braking circuit and the lower bridge braking circuit are used for perfo
format	Patent
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The power-off braking system comprises a controller, a power-off detection circuit, a feedback power supply circuit, a DC/DC step-down circuit, an upper bridge braking circuit and a lower bridge braking circuit, the controller is electrically connected with the power-off detection circuit, the feedback power supply circuit, the upper bridge braking circuit and the lower bridge braking circuit. According to the power-off braking system for the electric wheelchair, the power-off detection circuit can be used for monitoring whether power supply of the battery pack is cut off in real time, so that feedback power supply is performed by the feedback power supply circuit and the DC/DC step-down circuit in time when power supply is cut off, and power generated by the transmission wheel motor is supplied to the power-off braking system; furthermore, the upper bridge braking circuit and the lower bridge braking circuit are used for perfo</description><language>chi ; eng</language><subject>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; DYNAMO-ELECTRIC MACHINES ; ELECTRICITY ; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS ; GENERATION ; SYSTEMS FOR STORING ELECTRIC ENERGY</subject><creationdate>2022</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=20220712&DB=EPODOC&CC=CN&NR=216959425U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220712&DB=EPODOC&CC=CN&NR=216959425U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DONG SHIKUN</creatorcontrib><title>Power-off braking system for electric wheelchair</title><description>The utility model discloses a power-off braking system for an electric wheelchair. 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According to the power-off braking system for the electric wheelchair, the power-off detection circuit can be used for monitoring whether power supply of the battery pack is cut off in real time, so that feedback power supply is performed by the feedback power supply circuit and the DC/DC step-down circuit in time when power supply is cut off, and power generated by the transmission wheel motor is supplied to the power-off braking system; furthermore, the upper bridge braking circuit and the lower bridge braking circuit are used for perfo</description><subject>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>DYNAMO-ELECTRIC MACHINES</subject><subject>ELECTRICITY</subject><subject>EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS</subject><subject>GENERATION</subject><subject>SYSTEMS FOR STORING ELECTRIC ENERGY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAIyC9PLdLNT0tTSCpKzM7MS1coriwuSc1VSMsvUkjNSU0uKcpMVijPSE3NSc5IzCziYWBNS8wpTuWF0twMSm6uIc4euqkF-fGpxQWJyal5qSXxzn5GhmaWppYmRqahocZEKQIAxSksRw</recordid><startdate>20220712</startdate><enddate>20220712</enddate><creator>DONG SHIKUN</creator><scope>EVB</scope></search><sort><creationdate>20220712</creationdate><title>Power-off braking system for electric wheelchair</title><author>DONG SHIKUN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN216959425UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2022</creationdate><topic>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>DYNAMO-ELECTRIC MACHINES</topic><topic>ELECTRICITY</topic><topic>EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS</topic><topic>GENERATION</topic><topic>SYSTEMS FOR STORING ELECTRIC ENERGY</topic><toplevel>online_resources</toplevel><creatorcontrib>DONG SHIKUN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>DONG SHIKUN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Power-off braking system for electric wheelchair</title><date>2022-07-12</date><risdate>2022</risdate><abstract>The utility model discloses a power-off braking system for an electric wheelchair. 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language	chi ; eng
recordid	cdi_epo_espacenet_CN216959425UU
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subjects	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
title	Power-off braking system for electric wheelchair
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