Zero -crossing time check out test set of power frequency sinusoidal ac signal
The utility model discloses a zero -crossing time check out test set of power frequency sinusoidal ac signal relates to the detection time technique in the electric signal measurement field. This equipment is: power frequency sinusoidal alternating current signal source (100), AD sampling circuit (2...
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| creator | WANG SHANGPENG GUO YUE YAN LIEQI MING DONGYUE LI JUN LEI MING XIA TIAN SHI HONG LIU HENG |
| description | The utility model discloses a zero -crossing time check out test set of power frequency sinusoidal ac signal relates to the detection time technique in the electric signal measurement field. This equipment is: power frequency sinusoidal alternating current signal source (100), AD sampling circuit (210), logic AND computing circuit (221) and pulse driving circuit (240) connect gradually, pulse generating circuit (230) and controller (222) are connected with logic AND computing circuit (221) respectively. This method is: 1. Initialization, 2. Frequency parameter estimation, 3. Phase parameter estimates, 4. Zero -crossing time calculates and output. The utility model discloses can effectively detect the zero -crossing time of industry frequency alternate current analog electrical signal, andwith the error control within 1 mu s, the small phase error who can be used to between analog signal and the data signal measures, the traceability of value of the phase place of the being convenientfor degree of accuracy.
本实 |
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本实</description><subject>MEASURING</subject><subject>MEASURING ELECTRIC VARIABLES</subject><subject>MEASURING MAGNETIC VARIABLES</subject><subject>PHYSICS</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyrEKwjAURuEsDqK-w8W9YBTRvShOneziUkL80wZjbs1NEN_eDj6A0-HAN1fNDYmpsolFfOwp-yfIDrAP4pIpQzIJMrGjkd9I5BJeBdF-aPJF2N9NIGOn66MJSzVzJghWvy7U-ny61pcKI3eQ0VhE5K5utpuDPuq91m27-wt9AWEBNxQ</recordid><startdate>20180403</startdate><enddate>20180403</enddate><creator>WANG SHANGPENG</creator><creator>GUO YUE</creator><creator>YAN LIEQI</creator><creator>MING DONGYUE</creator><creator>LI JUN</creator><creator>LEI MING</creator><creator>XIA TIAN</creator><creator>SHI HONG</creator><creator>LIU HENG</creator><scope>EVB</scope></search><sort><creationdate>20180403</creationdate><title>Zero -crossing time check out test set of power frequency sinusoidal ac signal</title><author>WANG SHANGPENG ; GUO YUE ; YAN LIEQI ; MING DONGYUE ; LI JUN ; LEI MING ; XIA TIAN ; SHI HONG ; LIU HENG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN207181511UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2018</creationdate><topic>MEASURING</topic><topic>MEASURING ELECTRIC VARIABLES</topic><topic>MEASURING MAGNETIC VARIABLES</topic><topic>PHYSICS</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>WANG SHANGPENG</creatorcontrib><creatorcontrib>GUO YUE</creatorcontrib><creatorcontrib>YAN LIEQI</creatorcontrib><creatorcontrib>MING DONGYUE</creatorcontrib><creatorcontrib>LI JUN</creatorcontrib><creatorcontrib>LEI MING</creatorcontrib><creatorcontrib>XIA TIAN</creatorcontrib><creatorcontrib>SHI HONG</creatorcontrib><creatorcontrib>LIU HENG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WANG SHANGPENG</au><au>GUO YUE</au><au>YAN LIEQI</au><au>MING DONGYUE</au><au>LI JUN</au><au>LEI MING</au><au>XIA TIAN</au><au>SHI HONG</au><au>LIU HENG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Zero -crossing time check out test set of power frequency sinusoidal ac signal</title><date>2018-04-03</date><risdate>2018</risdate><abstract>The utility model discloses a zero -crossing time check out test set of power frequency sinusoidal ac signal relates to the detection time technique in the electric signal measurement field. This equipment is: power frequency sinusoidal alternating current signal source (100), AD sampling circuit (210), logic AND computing circuit (221) and pulse driving circuit (240) connect gradually, pulse generating circuit (230) and controller (222) are connected with logic AND computing circuit (221) respectively. This method is: 1. Initialization, 2. Frequency parameter estimation, 3. Phase parameter estimates, 4. Zero -crossing time calculates and output. The utility model discloses can effectively detect the zero -crossing time of industry frequency alternate current analog electrical signal, andwith the error control within 1 mu s, the small phase error who can be used to between analog signal and the data signal measures, the traceability of value of the phase place of the being convenientfor degree of accuracy.
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| subjects | MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
| title | Zero -crossing time check out test set of power frequency sinusoidal ac signal |
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