CN207425709U - The connection structure and breaker of vacuum interrupter and current transformer - Google Patents
The connection structure and breaker of vacuum interrupter and current transformer Download PDFInfo
- Publication number
- CN207425709U CN207425709U CN201721435143.0U CN201721435143U CN207425709U CN 207425709 U CN207425709 U CN 207425709U CN 201721435143 U CN201721435143 U CN 201721435143U CN 207425709 U CN207425709 U CN 207425709U
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- CN
- China
- Prior art keywords
- current transformer
- connection structure
- vacuum interrupter
- flexible connection
- breaker
- 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 - Fee Related
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Abstract
The utility model is related to the connection structures and breaker of a kind of vacuum interrupter and current transformer.The connection structure of the vacuum interrupter and current transformer includes vacuum interrupter and current transformer, the moving contact of vacuum interrupter and the positive terminal of current transformer are connected by flexible connection structure, the plane that the conductor of the flexible connection structure staggers between the positive terminal of current transformer and the negative terminal of current transformer where line.The moving contact for the vacuum interrupter that the vacuum interrupter passes through flexible connection structure with current transformer and the positive terminal of current transformer are connected by flexible connection structure, and the conductor of flexible connection structure staggers the plane between the positive terminal of current transformer and the negative terminal of current transformer where line, the conductor of flexible connection structure can be avoided to be connected with the negative terminal of current transformer, prevent occurring the problem of short circuit inside current transformer.
Description
Technical field
The utility model is related to the connection structures and breaker of a kind of vacuum interrupter and current transformer.
Background technology
In field of power transmission, being widely used for breaker is general, with the rapid development of the national economy, railway network needs to expand
Management on large scale scale, rapid expansion transport capacity improve rapidly equipment, and the development of railway electrification equipment is imperative.
At present, the connection of vacuum interrupter and current transformer is to be flexible coupling, the vacuum of most domestic railway breaker
The flexible connection structure of arc-chutes and current transformer includes vacuum interrupter 9 and current transformer 3, as shown in Figure 1 to Figure 2, very
The moving contact of empty arc-chutes 9 is connected with the positive terminal 12 of current transformer 3 by flexible connection structure 4, and connection mode is double
Layer is flexible coupling, and the connector of upper end two of double-deck flexible connection structure is overlapped on the conductive clip on the moving contact of vacuum interrupter 9 respectively
On 10 upper and lower surfaces, for double-deck flexible connection structure 4 around coming behind conductive clip 10, the connector of lower end two is overlapped on electricity
On the positive terminal of current transformer 3.But 13 longitudinal separation of the positive terminal 12 of current transformer 3 and negative terminal
Nearer, double-deck flexible connection structure 4 overlaps behind conductive clip 10 around coming with positive terminal 12, when vacuum interrupter moves
When making, double-deck flexible connection structure 4 is connected with the negative terminal easily with current transformer 3, be easy to cause in current transformer 3
Portion's short circuit further, since the conductor of double-deck flexible connection structure 4 stacks, is unfavorable for conductor heat dissipation.
Utility model content
The purpose of this utility model is to provide the connection structures of a kind of vacuum interrupter and current transformer, solve existing
The problem of double-deck flexible connection structure of breaker be easy to cause current transformer internal short-circuit in technology；The purpose of this utility model
It also resides in and a kind of breaker is provided.
To achieve the above object, the technical solution of the connection structure of the utility model vacuum interrupter and current transformer
It is：
Technical solution 1：The connection structure of vacuum interrupter and current transformer includes vacuum interrupter and current transformer,
The moving contact of vacuum interrupter and the positive terminal of current transformer are connected by flexible connection structure, the flexible connection structure
The plane that conductor staggers between the positive terminal of current transformer and the negative terminal of current transformer where line.It has
Beneficial effect is：The moving contact and Current Mutual Inductance for the vacuum interrupter that the vacuum interrupter passes through flexible connection structure with current transformer
The positive terminal of device is connected by flexible connection structure, and the conductor of flexible connection structure staggers the positive terminal of current transformer
Plane between column and the negative terminal of current transformer where line can avoid the conductor of flexible connection structure and electric current mutual
The negative terminal of sensor is connected, and prevents occurring the problem of short circuit inside current transformer.
Technical solution 2：On the basis of technical solution 1, the flexible connection structure includes at least two conductors, each conductor point
It opens in parallel with the positive terminal of current transformer.Its advantage is：The conductor of flexible connection structure separates and current transformer
Positive terminal it is in parallel, each conductor does not have overlapped area, increases the heat dissipation area of conductor.
Technical solution 3：On the basis of technical solution 2, the flexible connection structure includes two conductors, and two conductors are with dynamic
The axisymmetrical arrangement of contact.
Technical solution 4：On the basis of technical solution 3, described two conductors with the positive terminal of current transformer with
Plane between current transformer negative terminal where line is arranged symmetrically.Its advantage is：Two conductors are to flow mutual inductance
Plane between the positive terminal of device and current transformer negative terminal where line is arranged symmetrically, convenient for flexible connection structure
Conductor and the positive terminal of current transformer be connected in parallel.
Technical solution 5：On the basis of 1 to 4 any one of technical solution, the moving contact of the vacuum interrupter, which is equipped with, leads
Electricity folder, flexible connection structure are fastened on conductive clip.
The technical solution of the utility model breaker is：
Technical solution 1：A kind of breaker includes supporting rack and breaker mounting bracket, and the forepart of supporting rack is equipped with Current Mutual Inductance
Device, breaker mounting bracket are equipped with breaker, and breaker has vacuum interrupter, the moving contact and Current Mutual Inductance of vacuum interrupter
The positive terminal of device is connected by flexible connection structure, and the conductor of the flexible connection structure staggers the positive terminal of current transformer
Plane between column and the negative terminal of current transformer where line.
Technical solution 2：On the basis of technical solution 1, the flexible connection structure includes at least two conductors, each conductor point
It opens in parallel with the positive terminal of current transformer.
Technical solution 3：On the basis of technical solution 2, the flexible connection structure includes two conductors, and two conductors are with dynamic
The axisymmetrical arrangement of contact.
Technical solution 4：On the basis of technical solution 3, described two conductors with the positive terminal of current transformer with
Plane between current transformer negative terminal where line is arranged symmetrically.
Technical solution 5：On the basis of 1 to 4 any one of technical solution, the moving contact of the vacuum interrupter, which is equipped with, leads
Electricity folder, flexible connection structure are fastened on conductive clip.
Description of the drawings
Fig. 1 is the front view of the flexible connection structure of the vacuum interrupter and current transformer of breaker in the prior art；
Fig. 2 is the side view of the flexible connection structure of vacuum interrupter shown in FIG. 1 and current transformer；
Fig. 3 is the assembling structure schematic diagram of the utility model breaker；
Fig. 4 be breaker shown in Fig. 3 vacuum interrupter and current transformer flexible connection structure front view；
Fig. 5 is the side view of the flexible connection structure of vacuum interrupter shown in Fig. 4 and current transformer.
Reference sign：1. breaker mounting bracket；2. supporting rack；3. current transformer；4. flexible connection structure；It is 5. conductive
Plate；6. lower contact arm；7. collets；Contact arm on 8.；9. vacuum interrupter；10. conductive clip；11. aluminum frame；12. positive terminal；
13. negative terminal.
Specific embodiment
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The embodiment 1 of the breaker of the utility model, as shown in Figures 3 to 5, the breaker include assembling breaker
Mounting bracket 1 and be used to support the supporting rack 2 of breaker mounting bracket 1, supporting rack 2 is equipped with current transformer 3, and breaker has
The upper contact arm 8 of breaker mounting bracket 1 and lower contact arm 6 are stretched out, is equipped with aluminum frame 11 on upper contact arm 8 and lower contact arm 6, upper and lower two
The vacuum interrupter 9 of breaker is supported by between aluminum frame 11.
The upper end of vacuum interrupter 9 is connected with upper contact arm 8, and the lower end of vacuum interrupter 9 has moving contact, moving contact and electricity
Current transformer 3 is connected by flexible connection structure 4, the conductor of flexible connection structure 4 stagger current transformer 3 positive terminal 12 with
Plane between the negative terminal 13 of current transformer 3 where line.Flexible connection structure 4 includes two conductors, vacuum extinction
The moving contact of room 9 is equipped with conductive clip 10, and the conductor of flexible connection structure 4 is fastened on conductive clip 10, and two conductors are with moving contact
Axisymmetrical arrangement, and two conductors are with the negative terminal of the positive terminal 12 of current transformer 3 and current transformer 3
Plane between column 13 where line is arranged symmetrically, and two conductors are separately parallel on the positive terminal 12 of current transformer 3.
Conductive plate 5 is crimped on the negative terminal 13 of current transformer 3, conductive plate 5 and the lower contact arm 6 of breaker connect
Connect, conductive plate 5 and between set collets 7 conductive plate 5 and aluminum frame 11 are separated.
The vacuum interrupter 9 of the utility model breaker is with the connection structure of current transformer 3 compared with existing breaker
Vacuum interrupter 9 and current transformer 3 connection mode for, when vacuum interrupter 9 acts, reduce flexible connection structure
The overlapping area of 4 conductor increases the heat dissipation area of conductor in flexible connection structure 4, reduces the Wen Sheng of breaker, improves
The service life of breaker.Further, since two conductors in flexible connection structure 4 are with the positive terminal 12 of current transformer 3
Plane between the negative terminal 13 of current transformer 3 where line is arranged symmetrically, and conductor distance current transformer 3 is born
Pole binding post 13 has a certain distance, and will not be contacted because of conductor with the negative terminal 13 of current transformer 3 causes electric current mutual
3 internal short-circuit of sensor, connection mode is simple, easy to use.
The embodiment 2 of the utility model breaker, and the difference is that only for embodiment 1, two of flexible connection structure 4
Conductor does not arrange that two conductors are only separately in parallel with the positive terminal 12 of current transformer 3 with the axisymmetrical of moving contact,
The overlapping area of two conductors can be reduced, beneficial to the heat dissipation of conductor, but two conductor unsymmetrical arrangements and current transformer 3
Positive terminal 12 it is in parallel when, it is inconvenient since space is limited, it is preferable that two conductors of flexible connection structure 4 are touched with dynamic
The axis of head is symmetrically arranged.
In other embodiments, the conductor of flexible connection structure can only set a positive terminal with current transformer
Connection；Or the conductor of flexible connection structure overlaps, and still, the positive terminal and Current Mutual Inductance of conductor and current transformer
The plane where line between the negative terminal of device staggers.
In other embodiments, the conductor of flexible connection structure can be with the arrangement four of the axisymmetrical of moving contact or six
A or flexible connection structure conductor is arranged to the form of fingertip.
The embodiment of the connection structure of the utility model vacuum interrupter and current transformer, the vacuum interrupter and electric current
The vacuum interrupter and current transformer of the connection structure of mutual inductor and any embodiment of above-mentioned the utility model breaker
Connection structure is identical, is not repeated to illustrate.
Claims (10)
1. the connection structure of vacuum interrupter and current transformer, including vacuum interrupter and current transformer, vacuum interrupter
Moving contact and the positive terminal of current transformer connected by flexible connection structure, it is characterised in that：The flexible connection structure
The plane that staggers between the positive terminal of current transformer and the negative terminal of current transformer where line of conductor.
2. the connection structure of vacuum interrupter according to claim 1 and current transformer, it is characterised in that：The soft company
Binding structure includes at least two conductors, and each conductor separates in parallel with the positive terminal of current transformer.
3. the connection structure of vacuum interrupter according to claim 2 and current transformer, it is characterised in that：The soft company
Binding structure includes two conductors, and two conductors are arranged with the axisymmetrical of moving contact.
4. the connection structure of vacuum interrupter according to claim 3 and current transformer, it is characterised in that：It is described two
Plane of the conductor between the positive terminal of current transformer and current transformer negative terminal where line is arranged symmetrically.
5. the connection structure of vacuum interrupter according to any one of claims 1 to 4 and current transformer, feature exist
In：The moving contact of the vacuum interrupter is equipped with conductive clip, and flexible connection structure is fastened on conductive clip.
6. a kind of breaker, including supporting rack and breaker mounting bracket, the forepart of supporting rack is equipped with current transformer, breaker peace
It shelves equipped with breaker, breaker has vacuum interrupter, and the moving contact of vacuum interrupter and the anode of current transformer connect
Terminal is connected by flexible connection structure, it is characterised in that：The stagger anode of current transformer of the conductor of the flexible connection structure connects
Plane between terminal and the negative terminal of current transformer where line.
7. breaker according to claim 6, it is characterised in that：The flexible connection structure includes at least two conductors, respectively
Conductor separates in parallel with the positive terminal of current transformer.
8. breaker according to claim 7, it is characterised in that：The flexible connection structure includes two conductors, and two are led
Body is arranged with the axisymmetrical of moving contact.
9. breaker according to claim 8, it is characterised in that：Described two conductors are with the positive terminal of current transformer
Plane between column and current transformer negative terminal where line is arranged symmetrically.
10. according to claim 6 to 9 any one of them breaker, it is characterised in that：On the moving contact of the vacuum interrupter
Equipped with conductive clip, flexible connection structure is fastened on conductive clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721435143.0U CN207425709U (en) | 2017-11-01 | 2017-11-01 | The connection structure and breaker of vacuum interrupter and current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721435143.0U CN207425709U (en) | 2017-11-01 | 2017-11-01 | The connection structure and breaker of vacuum interrupter and current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207425709U true CN207425709U (en) | 2018-05-29 |
Family
ID=62310401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721435143.0U Expired - Fee Related CN207425709U (en) | 2017-11-01 | 2017-11-01 | The connection structure and breaker of vacuum interrupter and current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207425709U (en) |
-
2017
- 2017-11-01 CN CN201721435143.0U patent/CN207425709U/en not_active Expired - Fee Related
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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: 20180529 Termination date: 20211101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |