CN206292367U - A kind of breaker monitors sensor on-line - Google Patents
A kind of breaker monitors sensor on-line Download PDFInfo
- Publication number
- CN206292367U CN206292367U CN201621459282.2U CN201621459282U CN206292367U CN 206292367 U CN206292367 U CN 206292367U CN 201621459282 U CN201621459282 U CN 201621459282U CN 206292367 U CN206292367 U CN 206292367U
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- China
- Prior art keywords
- sensing element
- line
- sensor
- housing
- pedestal
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- Expired - Fee Related
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Abstract
The utility model is related to a kind of breaker on-line monitoring sensor, including housing and sensing device, housing includes pedestal, radome, pigtail splice and damping device, pedestal is provided with installation groove, housing is buckled in pedestal top, and pigtail splice is arranged on housing tip, and damping device is arranged on the bottom for installing groove, sensing device includes sensing element, charge amplifier and circuit board, sensing element are electrically connected with charge amplifier, and circuit board is electrically connected with sensing element, sensing element is arranged in installation groove, sensing element bottom damping device for connecting.The beneficial effects of the utility model are：Sensor is more sensitive, and resolution ratio and the degree of accuracy are higher, and measuring speed is fast, and small power consumption, low cost, with shockproof function, can be applied to various adverse circumstances；Sensor construction is simple, easy for installation, being capable of fast assembling-disassembling.
Description
Technical field
The utility model belongs to sensor field, and sensor is monitored on-line more particularly, to a kind of breaker.
Background technology
Breaker on-line checking is the premise for realizing Current Maintenance of Equipments, is the key for ensureing equipment safety reliability service.
The realization that equipment is dynamically monitored on-line, changed the mode of offline prophylactic tria in the past.
Switchgear operational monitoring is realized, first has to extract switchgear various signs its state in the process of running
The characteristic parameter of characteristic, this needs to use various sensors, and the crucial part of intelligent switch is sensing technology, and equipment is moved
State is monitored on-line, it is desirable to have perceptibility and considerable characteristic parameter, it is necessary to reliable senser element.Current on-line checking switch
Dynamic monitoring, the mechanical Characteristics Detection of switch substantially draw also without practical method by theoretical calculation.A kind of practical reliability was both
High-low pressure isolation is capable of achieving, the track during motion of moved end can be detected again, the senser element that output data is uploaded, is equipment dynamic
Important devices needed for on-line monitoring.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of breaker on-line monitoring sensor.
The technical solution adopted in the utility model is：A kind of breaker monitors sensor on-line, including housing and sensing are filled
Put, housing includes pedestal, radome, pigtail splice and damping device, pedestal is provided with installation groove, and housing is buckled on pedestal
Side, pigtail splice is arranged on housing tip, and damping device is arranged on the bottom for installing groove, and sensing device includes sensing element,
Charge amplifier and circuit board, sensing element are electrically connected with charge amplifier, and circuit board is electrically connected with sensing element, sensing element
It is arranged in installation groove, sensing element bottom damping device for connecting.
Preferably, sensing element is made up of circuit board and semiconductor piezo-resistance, and semiconductor piezo-resistance is fixed on circuit
On plate, semiconductor piezo-resistance is MYG14K471.
Preferably, charge amplifier is CA3140.
Preferably, damping device is damping spring.
Preferably, pigtail splice is a four core metal shell aviation sockets, and four heart yearns connect probe power respectively
VCC, sensor ground GND, the positive Va+ of difference output and the negative Va- of difference output.
Preferably, base bottom center is provided with connecting bolt, is fixed in pedestal inside connecting bolt, connecting bolt outside
Prominent base bottom surface.
The utility model has the advantages and positive effects that：Due to using above-mentioned technical proposal, sensor is more sensitive,
Resolution ratio and the degree of accuracy are higher, and measuring speed is fast, and small power consumption, low cost, with shockproof function, can be applied to various severe rings
Border；Sensor construction is simple, easy for installation, being capable of fast assembling-disassembling.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1st, radome；2nd, pedestal；3rd, pigtail splice；4th, charge amplifier；5th, sensing element；6th, circuit board；7th, even
Connecting bolt；The 8th, groove is installed；9th, damping device.
Specific embodiment
One embodiment of the present utility model is explained below in conjunction with the accompanying drawings.
As shown in figure 1, the utility model is related to a kind of breaker on-line monitoring sensor, including housing and sensing device,
Housing includes pedestal 2, radome 1, pigtail splice 3 and damping device 9, and housing is the tubular of cylinder, and pigtail splice 3 is arranged on shell
The center on body top, for cylindric, it is in Flange-shaped Parts that the base of pedestal 2 protrudes to pedestal 2, and housing covers on the base 2, housing bottom with
The flange of the bottom of pedestal 2 is fixedly connected so that housing can be closely chimeric with pedestal 2, and the bottom centre of pedestal 2 is provided with connection spiral shell
Bolt 7, the top of connecting bolt 7 fixation is embedded in the center of the bottom of pedestal 2, the screw rod of connecting bolt 7 bottom surface of pedestal 2 protruding outside, band
Threaded screw rod is used to fix sensor, and the ground of pedestal 2 is provided with rubber spring washer, and the pedestal 2 of this spline structure conveniently says sensor
It is quick fixed, make its easy for installation, it is easy to dismounting.
The upper end of pedestal 2 is provided with installation groove 8, and the inwardly protruding formation spacing ring of groove top edge, damping device 9 is damping bullet
Spring, damping spring is arranged on the bottom for installing groove 8, and sensing device, sensing dress are fixed in the top for installing damping spring in groove 8
Put including sensing element 5, charge amplifier 4 and circuit board 6, sensing element 5 is electrically connected with charge amplifier 4, circuit board 6 with it is quick
Sensing unit 5 is electrically connected, and sensing element 5 is arranged in installation groove 8, and sensing element 5 is by circuit board 6 and semiconductor piezo-resistance group
Into semiconductor piezo-resistance is fixed on circuit board 6, the bottom of circuit board 6 connection damping spring, the top edge clamping of circuit board 6
Under spacing ring, damping spring is by the jack-up of circuit board 6 so that circuit board 6 and spacing ring tight clamping fit.
Wherein, semiconductor piezo-resistance is MYG14K471, and charge amplifier 4 is CA3140, and pigtail splice 3 is one four
Core metal shell aviation socket, four heart yearns connect probe power VCC, sensor ground GND, the positive Va+ of difference output and difference respectively
Divide output negative Va-, sensor lead is the four core shielded cables that a two ends are connected to four core metal shell aviation plugs respectively, and it four
Root core is stranded two-by-two respectively, and one group of twisted pair wire connects VCC, GND, and another group of twisted pair wire connects Va+, Va-, four core shielded cables
Screen layer only with the aviation plug cage connection of sensor side, to avoid multipoint earthing because ground potential difference introduce it is dry
Disturb.The working power of sensor can be selected between 3.0~5.5V, should specifically meet the requirement of double operational IC1 working powers
Under the premise of as far as possible select lower grade working sensor supply voltage, to reduce the quiescent dissipation of sensor.
One embodiment of the present utility model has been described in detail above, but the content is only of the present utility model
Preferred embodiment, it is impossible to be considered as limiting practical range of the present utility model.It is all to be made according to present utility model application scope
Impartial change with improve etc., all should still belong within patent covering scope of the present utility model.
Claims (6)
1. a kind of breaker monitors sensor on-line, it is characterised in that：Including housing and sensing device, the housing includes base
Seat, radome, pigtail splice and damping device, the pedestal are provided with installation groove, and the housing is buckled in the pedestal top,
The pigtail splice is arranged on the housing tip, and the damping device is arranged on the bottom of the installation groove, the sensing
Device includes sensing element, charge amplifier and circuit board, and the sensing element is electrically connected with the charge amplifier, the electricity
Road plate is electrically connected with the sensing element, and the sensing element is arranged in the installation groove, and the sensing element bottom connects
Connect the damping device.
2. a kind of breaker according to claim 1 monitors sensor on-line, it is characterised in that：The sensing element is by half
Conductor piezo-resistance is constituted, and the semiconductor piezo-resistance is fixed on the circuit board, and the semiconductor piezo-resistance is
MYG14K471。
3. a kind of breaker according to claim 1 monitors sensor on-line, it is characterised in that：The charge amplifier is
CA3140。
4. a kind of breaker according to claim 1 monitors sensor on-line, it is characterised in that：The damping device is to subtract
Shake spring.
5. a kind of breaker according to claim 1 monitors sensor on-line, it is characterised in that：The pigtail splice is one
Individual four core metals shell aviation socket, four heart yearns connect probe power VCC, sensor ground GND, the positive Va+ of difference output respectively
Va- is born with difference output.
6. a kind of breaker according to claim 1 monitors sensor on-line, it is characterised in that：The base bottom center
Connecting bolt is provided with, the connecting bolt inside is fixed in the susceptor, the connecting bolt pedestal bottom protruding outside
Face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459282.2U CN206292367U (en) | 2016-12-29 | 2016-12-29 | A kind of breaker monitors sensor on-line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459282.2U CN206292367U (en) | 2016-12-29 | 2016-12-29 | A kind of breaker monitors sensor on-line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206292367U true CN206292367U (en) | 2017-06-30 |
Family
ID=59155062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621459282.2U Expired - Fee Related CN206292367U (en) | 2016-12-29 | 2016-12-29 | A kind of breaker monitors sensor on-line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206292367U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731794A (en) * | 2018-05-22 | 2018-11-02 | 南方电网科学研究院有限责任公司 | Multifunctional tester |
| CN109632079A (en) * | 2018-12-07 | 2019-04-16 | 苏州长风航空电子有限公司 | A kind of metallic shield lead cover, piezoelectric transducer and lead method |
-
2016
- 2016-12-29 CN CN201621459282.2U patent/CN206292367U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731794A (en) * | 2018-05-22 | 2018-11-02 | 南方电网科学研究院有限责任公司 | Multifunctional tester |
| CN109632079A (en) * | 2018-12-07 | 2019-04-16 | 苏州长风航空电子有限公司 | A kind of metallic shield lead cover, piezoelectric transducer and lead method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170630 Termination date: 20181229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |