CN203011990U - Combined current voltage sensor - Google Patents
Combined current voltage sensor Download PDFInfo
- Publication number
- CN203011990U CN203011990U CN2012206761549U CN201220676154U CN203011990U CN 203011990 U CN203011990 U CN 203011990U CN 2012206761549 U CN2012206761549 U CN 2012206761549U CN 201220676154 U CN201220676154 U CN 201220676154U CN 203011990 U CN203011990 U CN 203011990U
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- CN
- China
- Prior art keywords
- copper foil
- wall
- voltage sensor
- foil ring
- current
- Prior art date
- 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 - Lifetime
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Abstract
The utility model relates to a combined current voltage sensor used for acquiring on-line electrical parameters of high voltage switch equipment and belongs to te technical field of an intelligent high voltage switch data acquisition system. The combined current voltage sensor comprises a current transformer coil and a copper foil ring, wherein an inner wall of the current transformer coil is provided with an insulation layer, an outer wall of the copper foil ring is connected with shielding wire taken as voltage acquisition leading-out wire, the copper foil ring is arranged in a central hole of the current transformer coil, the outer wall of the copper foil ring attaches to the insulation layer at the inner wall of the current transformer coil, and the outer wall of the current transformer coil, the inner wall of the copper foil ring and two side walls of the current voltage sensor are respectively provided with a high temperature resistance insulation layer. The combined current voltage sensor can realize simultaneous acquisition of signals of three phase voltages and three phase currents and further has advantages of simple structure, good mechanical stability, reduced maintenance cost and relatively easy manufacturing and mounting technology.
Description
Technical field
The utility model relates to a kind of combined current voltage sensor for high-tension switch gear electric parameter online acquisition, belongs to intelligent high-pressure switch data acquisition system technical field.
Background technology
During the electric parameters such as existing Intelligent high voltage switch device online acquisition measurement electric current, voltage, general built-in current mutual inductor, the external voltage transformer (VT) of adopting carries out data acquisition, the disadvantage of external voltage transformer (VT) is exactly that fuse easily blows, particularly under thunder and lightning weather, damage probability is larger, affects the voltage measurement reliability.External voltage transformer (VT) cost is high in addition, particularly on distribution line, measures three-phase phase voltage and need to configure 3 external voltage transformer (VT), and the user needs to consider specially the installation site, and need to regularly carry out maintaining.
Summary of the invention
The purpose of this utility model is to provide the combined current voltage sensor of a kind of online acquisition three-phase voltage simultaneously and three-phase current signal.
The technical scheme that realizes above-mentioned purpose is: a kind of combined current voltage sensor is characterized in that: comprise current mutual inductor coil and Copper Foil ring; The inwall of described current mutual inductor coil is provided with insulation course, be connected with shielding line on the outer wall of described Copper Foil ring as the voltage acquisition extension line, described Copper Foil ring is placed in the center pit of current mutual inductor coil, the outer wall of described Copper Foil ring fits on the insulation course of current mutual inductor coil inwall, be respectively arranged with temperature-resistant insulation layer in the outer wall of current mutual inductor coil, the inwall of Copper Foil ring and the two side of current/voltage sensor, described shielding line stretches out high-temperature insulating layer.
Further, described insulation course is the electric insulation ply of paper.
Further, described temperature-resistant insulation layer comprises room temperature vulcanized silicone rubber layer and the outer field epoxy resin layer of internal layer.
Principle of work of the present utility model: during work, this combined current voltage sensor fixed cover is on the primary side electric-conductor of high-tension switch gear, when the primary side electric-conductor of high-tension switch gear flows through alternating current, current mutual inductor coil is sensed the alternating current size, the secondary current that output changes with the primary current size on the current transformer extension line carries out current acquisition for the protection measure and control device; When the primary side electric-conductor of high-tension switch gear adds alternating voltage, can induce the alternating voltage size on the Copper Foil ring, can export the secondary voltage that changes with the primary voltage size on shielding line, carry out voltage acquisition for the protection measure and control device.
The utility model provides the sensor of a kind of online acquisition three-phase voltage simultaneously and three-phase current signal, and simple in structure, good mechanical stability has reduced maintenance cost, and manufacturing is relative with mounting process simple.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the side view of Fig. 1.
Embodiment
As shown in Figure 1, 2, the utility model comprises current mutual inductor coil 1 and Copper Foil ring 2.
The inwall of described current mutual inductor coil 1 is provided with electric insulation ply of paper 3, be connected with shielding line 4 on the outer wall of described Copper Foil ring 2 as the voltage acquisition extension line, described Copper Foil ring 2 is placed in the center pit of current mutual inductor coil 1, the outer wall of described Copper Foil ring 2 fits on the insulation course 3 of current mutual inductor coil 1 inwall, is respectively arranged with room temperature vulcanized silicone rubber layer 5 and blending epoxy pouring layer 6 in the outer wall of current mutual inductor coil 1, the inwall of Copper Foil ring 2 and the two side of current/voltage sensor.
Claims (3)
1. a combined current voltage sensor, is characterized in that: comprise current mutual inductor coil and Copper Foil ring; The inwall of described current mutual inductor coil is provided with insulation course, be connected with shielding line on the outer wall of described Copper Foil ring as the voltage acquisition extension line, described Copper Foil ring is placed in the center pit of current mutual inductor coil, the outer wall of described Copper Foil ring fits on the insulation course of current mutual inductor coil inwall, be respectively arranged with temperature-resistant insulation layer in the outer wall of current mutual inductor coil, the inwall of Copper Foil ring and the two side of current/voltage sensor, described shielding line stretches out high-temperature insulating layer.
2. a kind of combined current voltage sensor according to claim 1, it is characterized in that: described insulation course is the electric insulation ply of paper.
3. a kind of combined current voltage sensor according to claim 1, it is characterized in that: described temperature-resistant insulation layer comprises room temperature vulcanized silicone rubber layer and the outer field epoxy resin layer of internal layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206761549U CN203011990U (en) | 2012-12-11 | 2012-12-11 | Combined current voltage sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206761549U CN203011990U (en) | 2012-12-11 | 2012-12-11 | Combined current voltage sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203011990U true CN203011990U (en) | 2013-06-19 |
Family
ID=48603572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206761549U Expired - Lifetime CN203011990U (en) | 2012-12-11 | 2012-12-11 | Combined current voltage sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203011990U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018529A (en) * | 2012-12-11 | 2013-04-03 | 扬州新概念电气有限公司 | Combined type current voltage sensor |
-
2012
- 2012-12-11 CN CN2012206761549U patent/CN203011990U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018529A (en) * | 2012-12-11 | 2013-04-03 | 扬州新概念电气有限公司 | Combined type current voltage sensor |
| CN103018529B (en) * | 2012-12-11 | 2015-06-03 | 扬州新概念电气有限公司 | Combined type current voltage sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A combined current and voltage sensor Effective date of registration: 20211026 Granted publication date: 20130619 Pledgee: Bank of China Limited Yangzhou Development Zone Branch Pledgor: YANGZHOU NEW CONCEPT ELECTRIC Co.,Ltd. Registration number: Y2021320000292 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |
|
| CX01 | Expiry of patent term |