CN204154803U - A kind of recombination current sensor for lightning arrester monitoring - Google Patents
A kind of recombination current sensor for lightning arrester monitoring Download PDFInfo
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- CN204154803U CN204154803U CN201420542339.XU CN201420542339U CN204154803U CN 204154803 U CN204154803 U CN 204154803U CN 201420542339 U CN201420542339 U CN 201420542339U CN 204154803 U CN204154803 U CN 204154803U
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- fixed part
- electromagnetic induction
- induction portion
- lightning arrester
- current sensor
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Abstract
The utility model discloses a kind of recombination current sensor for lightning arrester monitoring, it comprises electromagnetic induction portion and fixed part, and both connections are an entirety; Described electromagnetic induction portion is hollow cylinder structure, inside has magnet, magnet is wound with coil; The single-turn circular coil input of described electromagnetic induction portion, two secondary coils export, a secondary coil output current signal, and another secondary coil exports lightning strike signals; Described fixed part is rectangular cylindrical structures, and side has signal output port, and described fixed part bottom surface has mounting hole.The utility model integrates Zero flux current sensor and sensor for countering function, can simultaneously output current signal and lightning strike signals, effectively saves sensor and taken up space in lightning arrester on-Line Monitor Device, reduction production cost.
Description
Technical field
The utility model belongs to electricity monitoring apparatus field, particularly a kind of recombination current sensor for lightning arrester monitoring.
Background technology
Lightning arrester is a part indispensable in electric system; lightning arrester bears power-frequency voltage, the effect of the thunderbolt factor such as surge voltage and internal wetted and aging or deteriorated gradually at work for a long time; its insulation characterisitic is destroyed; show as resistive Leakage Current to increase; cause thermal runaway; serious caused lightning arrester is blasted, and other electrical equipment will lose overvoltage protection simultaneously, directly affect the safe operation of electric system.Therefore, as one of the visual plant of electric system, be necessary to monitor it.Need in existing lightning arrester on-Line Monitor Device to use Zero flux current sensor and sensor for countering comes monitoring current value and number of lightning strokes, and Zero flux current sensor and sensor for countering take up space greatly, make monitoring device overall volume large, shell institute consumption material is many.
Summary of the invention
The purpose of this utility model is to solve the problem, and provides a kind of volume little, integrates the recombination current sensor of Zero flux current sensor and sensor for countering function.
For this reason, the technical solution of the utility model is: a kind of recombination current sensor for lightning arrester monitoring, is characterized in that: it comprises electromagnetic induction portion and fixed part, and both connections are an entirety; Described electromagnetic induction portion is hollow cylinder structure, inside has magnet, magnet is wound with coil; The single-turn circular coil input of described electromagnetic induction portion, two secondary coils export, a secondary coil output current signal, and another secondary coil exports lightning strike signals; Described fixed part is rectangular cylindrical structures, and side has signal output port, and described fixed part bottom surface has mounting hole.
The utility model has two output channels, first output channel exports lightning strike signals to an operational amplifier, lightning strike signals is by being sent on MCU controller after comparer chip, second output channel is to another operational amplifier output current signal, and current signal is by being sent on MCU controller after analog to digital converter chip.The utility model integrates Zero flux current sensor and sensor for countering function, can simultaneously output current signal and lightning strike signals, effectively save sensor taken up space in lightning arrester on-Line Monitor Device, lightning arrester on-Line Monitor Device overall volume is reduced, and production cost reduces.
Accompanying drawing explanation
Be described in further detail below in conjunction with accompanying drawing and embodiment of the present utility model.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is principle of work block diagram of the present utility model.
Fig. 3 is work block diagram of the present utility model.
Embodiment
See accompanying drawing.The recombination current sensor of the present embodiment comprises electromagnetic induction portion 1 and fixed part 2, and both connections are an entirety; Described electromagnetic induction portion 1 is hollow cylinder structure, inside has magnet 11, magnet 11 is wound with coil 12; The single-turn circular coil input of described electromagnetic induction portion, two secondary coils export, a secondary coil output current signal, and another secondary coil exports lightning strike signals; Described fixed part 2 is rectangular cylindrical structures, and side has signal output port 21, and described fixed part 2 bottom surface has mounting hole.
The recombination current sensor of the present embodiment has two output channels, first output channel S1 exports lightning strike signals to an operational amplifier, lightning strike signals is by being sent on MCU controller after comparer chip, second output channel S2 is to another operational amplifier output current signal, and current signal is by being sent on MCU controller after analog to digital converter chip.
Claims (1)
1. for a recombination current sensor for lightning arrester monitoring, it is characterized in that: it comprises electromagnetic induction portion and fixed part, both connections are an entirety; Described electromagnetic induction portion is hollow cylinder structure, inside has magnet, magnet is wound with coil; The single-turn circular coil input of described electromagnetic induction portion, two secondary coils export, a secondary coil output current signal, and another secondary coil exports lightning strike signals; Described fixed part is rectangular cylindrical structures, and side has signal output port, and described fixed part bottom surface has mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420542339.XU CN204154803U (en) | 2014-09-22 | 2014-09-22 | A kind of recombination current sensor for lightning arrester monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420542339.XU CN204154803U (en) | 2014-09-22 | 2014-09-22 | A kind of recombination current sensor for lightning arrester monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204154803U true CN204154803U (en) | 2015-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420542339.XU Active CN204154803U (en) | 2014-09-22 | 2014-09-22 | A kind of recombination current sensor for lightning arrester monitoring |
Country Status (1)
| Country | Link |
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| CN (1) | CN204154803U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896812A (en) * | 2018-06-25 | 2018-11-27 | 国网湖南省电力有限公司 | A kind of counter for lightning arrester being easily installed |
| CN110361606A (en) * | 2018-04-10 | 2019-10-22 | 福建和盛高科技产业有限公司 | Leakage conductor on-line monitoring system |
-
2014
- 2014-09-22 CN CN201420542339.XU patent/CN204154803U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361606A (en) * | 2018-04-10 | 2019-10-22 | 福建和盛高科技产业有限公司 | Leakage conductor on-line monitoring system |
| CN108896812A (en) * | 2018-06-25 | 2018-11-27 | 国网湖南省电力有限公司 | A kind of counter for lightning arrester being easily installed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |