CN203405507U - Integrally cast electronic voltage transformer for detecting current - Google Patents
Integrally cast electronic voltage transformer for detecting current Download PDFInfo
- Publication number
- CN203405507U CN203405507U CN201320485818.8U CN201320485818U CN203405507U CN 203405507 U CN203405507 U CN 203405507U CN 201320485818 U CN201320485818 U CN 201320485818U CN 203405507 U CN203405507 U CN 203405507U
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- CN
- China
- Prior art keywords
- current transformer
- transformer
- aviation socket
- precision current
- tension
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000009413 insulation Methods 0.000 claims abstract description 15
- 239000003822 epoxy resin Substances 0.000 claims abstract description 4
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 6
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Abstract
An integrally cast electronic voltage transformer for detecting current is characterized in that the upper end of a high voltage resistor is connected with a high voltage shielding case and a high voltage primary column in sequence, a lead wire from the lower end of the high voltage resistor passes through the center of a high precision current transformer and is connected with a low voltage shielding case and a grounding bolt, the secondary lead wire of the high precision current transformer is connected with an aviation socket, the above components are cast integrally by epoxy resin to form an insulation housing. The insulation structure is simple, primary and secondary systems are completely isolated, usage is save, the measure precision is high, the practicality is high, and the insulation structure is widely applied for various high and low voltage electric networks.
Description
Technical field
The utility model relates to a kind of electric power mutual-inductor, particularly a kind of integrated poured detection current mode electronic voltage transformer.
Background technology
At present, in 6～35KV electrical network, common electronic type voltage transformer is generally resistance or capacitance-voltage-distributing type structure, there is the advantage such as measure bandwidth, dynamic property is good, the range of linearity is large, insulation system is simple, volume is little, but also there is restricted application, the isolation completely, the electrical secondary system that do not realize primary system and electrical secondary system be subject to the weak points such as primary system interference.
Summary of the invention
The purpose of this utility model is in order to overcome above-mentioned weak point, and provides a kind of insulation system simple, and measuring accuracy is high, use the integrated poured detection current mode electronic voltage transformer that safe, practical property is strong.
The purpose of this utility model is achieved in that a kind of integrated poured detection current mode electronic voltage transformer, it is characterized in that it comprises insulation shell, high-tension shielding cover, low pressure radome, high-tension resistive, high precision current transformer, aviation socket, high pressure primary connection post, earth stud, wherein high-tension resistive upper end connects high-tension shielding cover successively, high pressure primary connection post, high-tension resistive lower end lead-in wire is connected with low pressure radome through high precision current transformer center, low pressure radome is connected with earth stud, high precision current transformer secondary wiring is connected with aviation socket, by epoxy resin by above-mentioned each zero, parts pour into an integrated entity, form insulation shell, high pressure primary connection post is exposed on insulation shell surface, earth stud, aviation socket.
The utility model is owing to adopting above design; by high precision current transformer measurement, flow through high-tension resistive to the weak current of earth terminal; its secondary current is sent to pulpit by wire; through current-voltage, convert corresponding secondary voltage signal to for instrument and protection interface again, measuring accuracy is high.Each parts and components is poured into an integrated entity, and insulation system is simple, and primary system and electrical secondary system are isolated completely, uses safety, practical, is extensively applicable to using in various height, medium voltage network.
Accompanying drawing explanation
Fig. 1 is the utility model example structure schematic diagram.
Embodiment
Now illustrated embodiment is made detailed description to the utility model by reference to the accompanying drawings.
As shown in Figure 1, a detection current mode electronic voltage transformer, comprise insulation shell 1, high-tension shielding cover 2, low pressure radome 3, high-tension resistive 4, high precision current transformer 5, discharge tube 6, aviation socket 7, high pressure primary connection post 8, earth stud 9.Wherein high-tension resistive 4 upper ends connect high-tension shielding cover 2, high pressure primary connection post 8 successively, high-tension resistive 4 lower end lead-in wires are connected with low pressure radome 3 through high precision current transformer 5 centers, lead-in wire two ends also connect discharge tube 6, low pressure radome 3 is connected with earth stud 9, high precision current transformer 5 secondary wirings are connected with aviation socket 7, by epoxy resin, above-mentioned each parts and components is poured into an integrated entity, form insulation shell 1, high pressure primary connection post 8, earth stud 9, aviation socket 7 are exposed in insulation shell 1 surface.
Claims (1)
1. an integrated poured detection current mode electronic voltage transformer, it is characterized in that it comprises insulation shell (1), high-tension shielding cover (2), low pressure radome (3), high-tension resistive (4), high precision current transformer (5), aviation socket (7), high pressure primary connection post (8), earth stud (9), wherein high-tension resistive (4) upper end connects high-tension shielding cover (2) successively, high pressure primary connection post (8), high-tension resistive (4) lower end lead-in wire is connected with low pressure radome (3) through high precision current transformer (5) center, low pressure radome (3) is connected with earth stud (9), high precision current transformer (5) secondary wiring is connected with aviation socket (7), by epoxy resin by above-mentioned each zero, parts pour into an integrated entity, form insulation shell (1), high pressure primary connection post (8) is exposed on insulation shell (1) surface, earth stud (9), aviation socket (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320485818.8U CN203405507U (en) | 2013-08-09 | 2013-08-09 | Integrally cast electronic voltage transformer for detecting current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320485818.8U CN203405507U (en) | 2013-08-09 | 2013-08-09 | Integrally cast electronic voltage transformer for detecting current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203405507U true CN203405507U (en) | 2014-01-22 |
Family
ID=49941437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320485818.8U Expired - Fee Related CN203405507U (en) | 2013-08-09 | 2013-08-09 | Integrally cast electronic voltage transformer for detecting current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203405507U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104345206A (en) * | 2014-11-14 | 2015-02-11 | 国家电网公司 | Voltage live-line measurement device capable of preventing fault arcs |
| CN104360160A (en) * | 2014-11-14 | 2015-02-18 | 国家电网公司 | High-voltage loop contact resistor live line measurement device |
| CN104360163A (en) * | 2014-11-14 | 2015-02-18 | 国家电网公司 | Contact resistor live-line measurement device capable of preventing fault arcs |
| CN104360135A (en) * | 2014-11-14 | 2015-02-18 | 国家电网公司 | Live line voltage measurement device |
| CN104360161A (en) * | 2014-11-14 | 2015-02-18 | 国家电网公司 | Contact resistance live line measurement device |
| CN104360133A (en) * | 2014-11-14 | 2015-02-18 | 国家电网公司 | Contact resistance voltage measuring device |
| CN104360162A (en) * | 2014-11-14 | 2015-02-18 | 国家电网公司 | Live line measurement device for contact resistance of high voltage loop |
| CN104360132A (en) * | 2014-11-14 | 2015-02-18 | 国家电网公司 | Contact resistance live line measurement device |
| CN104360134A (en) * | 2014-11-14 | 2015-02-18 | 国家电网公司 | A live voltage measurement device capable of preventing transient overvoltage |
| CN107782922A (en) * | 2017-11-06 | 2018-03-09 | 江苏科兴电器有限公司 | A kind of insulation plug with sensing function |
| CN109239439A (en) * | 2018-10-16 | 2019-01-18 | 国网江苏省电力有限公司南京供电分公司 | A kind of embedded-type electric pressure sensor |
| CN112924732A (en) * | 2021-01-29 | 2021-06-08 | 广东电网有限责任公司 | Metering device external member and metering system |
| CN114122810A (en) * | 2021-12-02 | 2022-03-01 | 江苏南瑞帕威尔电气有限公司 | An emergency interface socket |
-
2013
- 2013-08-09 CN CN201320485818.8U patent/CN203405507U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104345206A (en) * | 2014-11-14 | 2015-02-11 | 国家电网公司 | Voltage live-line measurement device capable of preventing fault arcs |
| CN104360160A (en) * | 2014-11-14 | 2015-02-18 | 国家电网公司 | High-voltage loop contact resistor live line measurement device |
| CN104360163A (en) * | 2014-11-14 | 2015-02-18 | 国家电网公司 | Contact resistor live-line measurement device capable of preventing fault arcs |
| CN104360135A (en) * | 2014-11-14 | 2015-02-18 | 国家电网公司 | Live line voltage measurement device |
| CN104360161A (en) * | 2014-11-14 | 2015-02-18 | 国家电网公司 | Contact resistance live line measurement device |
| CN104360133A (en) * | 2014-11-14 | 2015-02-18 | 国家电网公司 | Contact resistance voltage measuring device |
| CN104360162A (en) * | 2014-11-14 | 2015-02-18 | 国家电网公司 | Live line measurement device for contact resistance of high voltage loop |
| CN104360132A (en) * | 2014-11-14 | 2015-02-18 | 国家电网公司 | Contact resistance live line measurement device |
| CN104360134A (en) * | 2014-11-14 | 2015-02-18 | 国家电网公司 | A live voltage measurement device capable of preventing transient overvoltage |
| CN107782922A (en) * | 2017-11-06 | 2018-03-09 | 江苏科兴电器有限公司 | A kind of insulation plug with sensing function |
| CN109239439A (en) * | 2018-10-16 | 2019-01-18 | 国网江苏省电力有限公司南京供电分公司 | A kind of embedded-type electric pressure sensor |
| CN112924732A (en) * | 2021-01-29 | 2021-06-08 | 广东电网有限责任公司 | Metering device external member and metering system |
| CN114122810A (en) * | 2021-12-02 | 2022-03-01 | 江苏南瑞帕威尔电气有限公司 | An emergency interface socket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20180809 |