Voltage sampling and conditioning circuit
The utility model provides a voltage sampling and conditioning circuit, which comprises a conversion circuit, an isolation circuit and a protection filtering circuit, and is characterized in that the conversion circuit comprises a plurality of resistors which are connected in series; the isolation c...
Saved in:
Main Authors | , , , , , , |
---|---|
Format | Patent |
Language | English |
Published |
08.04.2015
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Abstract | The utility model provides a voltage sampling and conditioning circuit, which comprises a conversion circuit, an isolation circuit and a protection filtering circuit, and is characterized in that the conversion circuit comprises a plurality of resistors which are connected in series; the isolation circuit comprises a current transformer; the protection filtering circuit is connected with a secondary winding of the current transformer in parallel, a first port a clamping diode V35 is connected with a second port of a clamping diode V36, a second port of the clamping diode V35 is connected with a first port of the clamping diode V36, a third port of the clamping diode V35 is connected with one end of the secondary winding of the current transformer PT3 and a first end of an inductor L9, a third port of the clamping diode V36 is connected with the other end of the secondary winding of the current transformer PT3 and a first end of an inductor L10, and a second end of the inductor L9 and a second end of the inductor L10 are connected to sampling resistors respectively. The circuit provided by the utility model has functions of converting, isolating and filtering measured power grid voltage. |
---|---|
AbstractList | The utility model provides a voltage sampling and conditioning circuit, which comprises a conversion circuit, an isolation circuit and a protection filtering circuit, and is characterized in that the conversion circuit comprises a plurality of resistors which are connected in series; the isolation circuit comprises a current transformer; the protection filtering circuit is connected with a secondary winding of the current transformer in parallel, a first port a clamping diode V35 is connected with a second port of a clamping diode V36, a second port of the clamping diode V35 is connected with a first port of the clamping diode V36, a third port of the clamping diode V35 is connected with one end of the secondary winding of the current transformer PT3 and a first end of an inductor L9, a third port of the clamping diode V36 is connected with the other end of the secondary winding of the current transformer PT3 and a first end of an inductor L10, and a second end of the inductor L9 and a second end of the inductor L10 are connected to sampling resistors respectively. The circuit provided by the utility model has functions of converting, isolating and filtering measured power grid voltage. |
Author | PANG JIANYE BI XIAOHUI ZHOU QIANG YU QIAO YAN ZHENKUN YU LITAO KOU YAN |
Author_xml | – fullname: YU QIAO – fullname: ZHOU QIANG – fullname: YAN ZHENKUN – fullname: KOU YAN – fullname: BI XIAOHUI – fullname: PANG JIANYE – fullname: YU LITAO |
BookMark | eNrjYmDJy89L5WTQDMvPKUlMT1UoTswtyMnMS1dIzEtRSM7PS8ksyczPAwkkZxYll2aW8DCwpiXmFKfyQmluBiU31xBnD93Ugvz41OKCxOTUvNSSeGc_IwMTI1MzAzOT0FBjohQBAF6sK3Q |
ContentType | Patent |
DBID | EVB |
DatabaseName | esp@cenet |
DatabaseTitleList | |
Database_xml | – sequence: 1 dbid: EVB name: esp@cenet url: http://worldwide.espacenet.com/singleLineSearch?locale=en_EP sourceTypes: Open Access Repository |
DeliveryMethod | fulltext_linktorsrc |
Discipline | Medicine Chemistry Sciences Physics |
ExternalDocumentID | CN204256064UU |
GroupedDBID | EVB |
ID | FETCH-epo_espacenet_CN204256064UU3 |
IEDL.DBID | EVB |
IngestDate | Fri Jul 19 11:52:25 EDT 2024 |
IsOpenAccess | true |
IsPeerReviewed | false |
IsScholarly | false |
Language | English |
LinkModel | DirectLink |
MergedId | FETCHMERGED-epo_espacenet_CN204256064UU3 |
Notes | Application Number: CN20142590312U |
OpenAccessLink | https://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150408&DB=EPODOC&CC=CN&NR=204256064U |
ParticipantIDs | epo_espacenet_CN204256064UU |
PublicationCentury | 2000 |
PublicationDate | 20150408 |
PublicationDateYYYYMMDD | 2015-04-08 |
PublicationDate_xml | – month: 04 year: 2015 text: 20150408 day: 08 |
PublicationDecade | 2010 |
PublicationYear | 2015 |
RelatedCompanies | QINGDAO POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER COMPANY STATE GRID CORPORATION OF CHINA |
RelatedCompanies_xml | – name: STATE GRID CORPORATION OF CHINA – name: QINGDAO POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER COMPANY |
Score | 2.9695895 |
Snippet | The utility model provides a voltage sampling and conditioning circuit, which comprises a conversion circuit, an isolation circuit and a protection filtering... |
SourceID | epo |
SourceType | Open Access Repository |
SubjectTerms | BASIC ELECTRONIC CIRCUITRY CODE CONVERSION IN GENERAL CODING DECODING ELECTRICITY MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
Title | Voltage sampling and conditioning circuit |
URI | https://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150408&DB=EPODOC&locale=&CC=CN&NR=204256064U |
hasFullText | 1 |
inHoldings | 1 |
isFullTextHit | |
isPrint | |
link | http://utb.summon.serialssolutions.com/2.0.0/link/0/eLvHCXMwfR1da8Iw8HDu823rNra5jTJGYQ9lraZRH2RgqsjAKkPFN0nSdnSMKjayv79LqHNPPuYOLsnBfeZyB_Cc6gYiIvFd4XHhokdMXU4EdSltN4jHSdo2Q_uGER1Myfs8mFfga_sXxvQJ_THNEVGiJMq7Mvp6tUtihaa2sngVGYKWb_1JJ3TK6Bi9G-K1nLDb6Y1H4Yg5jHVY5EQfiCPauFMyPYBD7UbrPvu9WVf_Sln9Nyn9czgaI7VcXUAlyS04ZdvJaxacDMsHbwuOTYWmLBBYSmFxCS-z5bdCPWAXXNeD5582z2MbA9s4K9OrtszWcpOpK3jq9yZs4OLui7-rLli0O-i0cQ3VfJknN2D79XpKuPQ5jT0ig0QETRmnsukluOIxvYXaHkJ3e7E1ONOcM-UorXuoqvUmeUBLq8SjYdEvFI2COw |
link.rule.ids | 230,309,786,891,25594,76906 |
linkProvider | European Patent Office |
linkToHtml | http://utb.summon.serialssolutions.com/2.0.0/link/0/eLvHCXMwfR1dT8Iw8IL4gW-KGhU_FmOW-LA4oHTwsJjQQVBhEAOEN9J2m5kxg7AR_77XZohPPPYuubaX3GevdwCPkWogIsKqJWwuLPSIqcWJoBalrTqxOYlaemjfwKe9CXmbNWYF-Nr8hdF9Qn90c0SUKInynml9vdwmsTxdW5k-ixhBi5fu2PXMPDpG74bYTdNru53R0BsykzGX-ab_gTiijDslkz3Yd1R3XuU6TdvqV8ryv0npnsDBCKkl2SkUwqQMJbaZvFaGo0H-4F2GQ12hKVME5lKYnsHTdPGdoR4wUq7qwZNPgyeBgYFtEOfpVUPGK7mOs3N46HbGrGfh7vO_q86Zvz3opH4BxWSRhJdgVGu1iHBZ5TSwiWyEouHIIJKOHeKKB_QKKjsIXe_E3kOpNx705_1X_70Cx4qLujSleQPFbLUOb9HqZuJOs-sXU_mFKA |
openUrl | ctx_ver=Z39.88-2004&ctx_enc=info%3Aofi%2Fenc%3AUTF-8&rfr_id=info%3Asid%2Fsummon.serialssolutions.com&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Apatent&rft.title=Voltage+sampling+and+conditioning+circuit&rft.inventor=YU+QIAO&rft.inventor=ZHOU+QIANG&rft.inventor=YAN+ZHENKUN&rft.inventor=KOU+YAN&rft.inventor=BI+XIAOHUI&rft.inventor=PANG+JIANYE&rft.inventor=YU+LITAO&rft.date=2015-04-08&rft.externalDBID=U&rft.externalDocID=CN204256064UU |