CN203288494U - Real-time monitoring device for vacuum degree of vacuum circuit breaker arc extinguishing chamber - Google Patents
Real-time monitoring device for vacuum degree of vacuum circuit breaker arc extinguishing chamber Download PDFInfo
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- CN203288494U CN203288494U CN2013203233324U CN201320323332U CN203288494U CN 203288494 U CN203288494 U CN 203288494U CN 2013203233324 U CN2013203233324 U CN 2013203233324U CN 201320323332 U CN201320323332 U CN 201320323332U CN 203288494 U CN203288494 U CN 203288494U
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- vacuum
- vacuum degree
- extinguishing chamber
- arc extinguishing
- time monitoring
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Abstract
The utility model relates to a real-time monitoring device for the vacuum degree of a vacuum circuit breaker arc extinguishing chamber. The real-time monitoring device comprises three non-contact vacuum degree sensors and a data acquisition monitoring unit. The real-time monitoring device is characterized in that the data acquisition monitoring unit is arranged on a rack at the outer side of the vacuum circuit breaker three-phase arc extinguishing chamber, the three non-contact vacuum degree sensors are installed at corresponding positions of a three-phase arc extinguishing chamber shielding case respectively, the obverse sides of the three non-contact vacuum degree sensors face to the arc extinguishing chamber shielding case, the three non-contact vacuum degree sensors and the middle part of the arc extinguishing chamber shielding case are equal in height, the distance between the three non-contact vacuum degree sensor and an embedded pole shell is 50-80mm, and the three non-contact vacuum degree sensors and the data acquisition monitoring unit are connected wirelessly. The real-time monitoring device provided by the utility model has the advantages of simple structure, stable operation, accurate measurement data and wide measurement range, and can monitor vacuum degree conditions of vacuum switch equipment in operation timely and accurately, thereby reducing occurrence of accidents.
Description
Technical field
The utility model relates to vacuum degree monitoring device, specifically a kind of vacuum circuit-breaker arc extinguishing chamber vacuum degree real-time monitoring device.
Background technology
In middle pressure field, particularly 12-40.5KV electric pressure, the vacuum switch circuit breaker is widely adopted.The vacuum interrupter that is flush-mounted in epoxyresin insulator is the core component of vacuum switch circuit breaker, and it uses high vacuum as insulation and arc-extinguishing medium, and short circuit current and load current are played a part to disconnect and closure.After pressure is higher than certain value, vacuum switch will lose insulation and rupture capacity, even blast when serious, therefore must monitor the indoor vacuum degree of vacuum extinction.
The vacuum monitoring method of vacuum interrupter can be divided into off-line monitoring and the large class of on-line monitoring two: off-line monitoring must detect under powering-off state, can not Real-Time Monitoring vacuum degree, can't truly get rid of and reduce the hidden danger that causes vacuum switch to lose connecting-disconnecting function because of vacuum degree; Therefore, need to adopt on-line monitoring, namely under the prerequisite of not changing switch main body structure and running status, monitor at any time the variation of its vacuum degree.Existing on-line monitoring such as electro-optical conversion method, coupling capacitance method, ultrasonic Detection Method, pulse current detection method, three-phase bridge method, by dividing potential drop capacitance detecting radome discharging current method, detect self-closing equilibrium of forces spring and amesdial method etc., all because of the vacuum measurement narrow range, can't realize monitoring to the vacuum pressure change procedure.Therefore, design a kind of vacuum circuit-breaker arc extinguishing chamber vacuum degree real-time monitoring device simple in structure, stable, that measurement data is accurate and measuring range is wide very necessary.
Summary of the invention
The purpose of this utility model just is to provide a kind of simple in structure, stable, measurement data is accurate and measuring range is wide vacuum circuit-breaker arc extinguishing chamber vacuum degree real-time monitoring device.
for achieving the above object, the utility model adopts following technical scheme: a kind of vacuum circuit-breaker arc extinguishing chamber vacuum degree real-time monitoring device, comprise three contactless vacuum sensors and data acquisition and monitoring unit, it is characterized in that the data acquisition and monitoring unit is arranged on the frame in the vacuum circuit-breaker three-phase arc control device outside, three contactless vacuum sensors are arranged on respectively and A, B, C phase arc control device radome correspondence position, three contactless vacuum sensors are positive in the face of the arc control device radome, three contactless vacuum sensors and arc control device radome middle part equal altitudes, the distance of three contactless vacuum sensors and pole shell is 50-80mm, between three contactless vacuum sensors and data acquisition and monitoring unit by wireless connections.
Further, the distance of described three contactless vacuum sensors and pole shell is 60mm.
Further, described three contactless vacuum sensors are microwave technology and electrooptic crystal probe sensor.
Further, also be provided with antenna on described three contactless vacuum sensors.
The utility model is simple in structure, stable, measurement data is accurate and measuring range is wide, can monitor timely and accurately the vacuum degree situation of operating vacuum switchgear, thereby the minimizing accident occurs.
Description of drawings
Fig. 1 is structural representation of the present utility model.
In figure: 1a, 1b, the contactless vacuum sensor of 1c-; 2-data acquisition and monitoring unit; 3-arc control device radome; The 4-pole; The 5-antenna.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but this embodiment should not be construed as restriction of the present utility model:
vacuum circuit-breaker arc extinguishing chamber vacuum degree real-time monitoring device shown in figure, comprise three contactless vacuum sensor 1a, 1b, 1c and data acquisition and monitoring unit 2, data acquisition and monitoring unit 2 is arranged on the frame in the vacuum circuit-breaker three-phase arc control device outside, three contactless vacuum sensor 1a, 1b, 1c is arranged on respectively and A, B, C phase arc control device radome 3 correspondence positions, three contactless vacuum sensor 1a, 1b, 1c is positive in the face of arc control device radome 3, three contactless vacuum sensor 1a, 1b, 1c and arc control device radome 3 middle part equal altitudes, three contactless vacuum sensor 1a, 1b, the distance of 1c and pole 4 shells is 50-80mm, three contactless vacuum sensor 1a, 1b, be connected by wireless 5 between 1c and data acquisition and monitoring unit 2.
Preferred embodiment is: in such scheme, the distance of described three contactless vacuum sensor 1a, 1b, 1c and pole 4 shells is 60mm.
Preferred embodiment is: in such scheme, described three contactless vacuum sensor 1a, 1b, 1c are microwave technology and electrooptic crystal probe sensor.
Preferred embodiment is: in such scheme, also be provided with antenna 5 on described three contactless vacuum sensor 1a, 1b, 1c.
The content that is not described in detail in this specification, belong to the known prior art of those skilled in the art.
Claims (4)
1. a vacuum circuit-breaker arc extinguishing chamber vacuum degree real-time monitoring device, comprise three contactless vacuum sensors (1a), (1b), (1c), with data acquisition and monitoring unit (2), it is characterized in that: data acquisition and monitoring unit (2) are arranged on the frame in the vacuum circuit-breaker three-phase arc control device outside, three contactless vacuum sensors (1a), (1b), (1c) be arranged on respectively and A, B, the position that C phase arc control device radomes (3) are corresponding, three contactless vacuum sensors (1a), (1b), (1c) positive in the face of arc control device radome (3), three contactless vacuum sensors (1a), (1b), (1c) with arc control device radome (3) middle part equal altitudes, three contactless vacuum sensors (1a), (1b), with the distance of pole (4) shell, be (1c) 50-80mm, three contactless vacuum sensors (1a), (1b), (1c) with between data acquisition and monitoring unit (2) by wireless (5), be connected.
2. vacuum circuit-breaker arc extinguishing chamber vacuum degree real-time monitoring device according to claim 1 is characterized in that: three contactless vacuum sensors (1a), (1b), (1c) are 60mm with the distance of pole (4) shell.
3. vacuum circuit-breaker arc extinguishing chamber vacuum degree real-time monitoring device according to claim 1 and 2 is characterized in that: described three contactless vacuum sensors (1a), (1b), (1c) are microwave technology and electrooptic crystal probe sensor.
4. vacuum circuit-breaker arc extinguishing chamber vacuum degree real-time monitoring device according to claim 3, is characterized in that: also be provided with antenna (5) on described three contactless vacuum sensors (1a), (1b), (1c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203233324U CN203288494U (en) | 2013-06-05 | 2013-06-05 | Real-time monitoring device for vacuum degree of vacuum circuit breaker arc extinguishing chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203233324U CN203288494U (en) | 2013-06-05 | 2013-06-05 | Real-time monitoring device for vacuum degree of vacuum circuit breaker arc extinguishing chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203288494U true CN203288494U (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203233324U Expired - Lifetime CN203288494U (en) | 2013-06-05 | 2013-06-05 | Real-time monitoring device for vacuum degree of vacuum circuit breaker arc extinguishing chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203288494U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091720A (en) * | 2014-07-17 | 2014-10-08 | 江苏华通电气科技有限公司 | Vacuum circuit breaker of high-tension switch cabinet |
| CN105405714A (en) * | 2015-11-25 | 2016-03-16 | 国网河南省电力公司三门峡供电公司 | Non-contact type 10kV vacuum circuit breaker vacuum degree test apparatus |
-
2013
- 2013-06-05 CN CN2013203233324U patent/CN203288494U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091720A (en) * | 2014-07-17 | 2014-10-08 | 江苏华通电气科技有限公司 | Vacuum circuit breaker of high-tension switch cabinet |
| CN105405714A (en) * | 2015-11-25 | 2016-03-16 | 国网河南省电力公司三门峡供电公司 | Non-contact type 10kV vacuum circuit breaker vacuum degree test apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |