CN107578960A - A kind of railway electrification breaker apparatus and its conductive structure - Google Patents
A kind of railway electrification breaker apparatus and its conductive structure Download PDFInfo
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- CN107578960A CN107578960A CN201710980595.5A CN201710980595A CN107578960A CN 107578960 A CN107578960 A CN 107578960A CN 201710980595 A CN201710980595 A CN 201710980595A CN 107578960 A CN107578960 A CN 107578960A
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- vacuum interrupter
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Abstract
The invention discloses a kind of railway electrification breaker apparatus and its conductive structure, the cabinet type cart frame of distribution on a chassis is set including chassis vehicle and vertically, main conductive structure is fixed on cart frame by high-voltage insulation strut, it includes lower contact arm, current transformer, vacuum interrupter, upper conductive clip and upper contact arm, the bottom and top of vacuum interrupter pass through upper bracket and square frame-shaped seat supports respectively, current transformer is electrically connected by mutual inductor interstar connection row with vacuum interrupter and tie point is located on the side of vacuum interrupter, chassis vehicle promotes and is provided with insulation board between screw mandrel and vacuum interrupter, insulation board is provided with silica gel full skirt.The present invention is conveniently replaceable the part-structure in main conductive structure so as to meet the requirement of the through-current capability of different current classes, reduce the improvement cost of product, silica gel full skirt is set simultaneously, creep age distance requirement can be met, air insulation distance is added simultaneously, the development and application for matching somebody with somebody cabinet type breaker with chassis vehicle can be met.
Description
Technical field
The present invention relates to breaker apparatus field, and in particular to a kind of railway electrification breaker apparatus and its conductive knot
Structure.
Background technology
Existing single-phase vacuum circuit breaker for railway electrification equipment is as shown in Figure 1：Including arc-chutes 6, current transformer 1
With a moving contact 10, one end of arc-chutes is fixedly arranged on the upper surface of square frame-shaped bearing 7, square frame-shaped bearing and current transformer
Between connected by transformer copper bar 8, there is transformer copper bar the transformer of left surface 2 parallel to square frame-shaped bearing vertically to connect
Fishplate bar section 5, connected between a moving contact 10 and current transformer by moving contact connecting plate 9, moving contact connecting plate have with
The vertical connecting plate section 3 of moving contact of the vertical 5 spaced and parallel setting of connecting plate section of transformer.The vertical connecting plate section of moving contact and mutual inductance
Insulation support plate 4 is folded between the vertical connecting plate section of device, insulation support plate is used to fix moving contact connecting plate.So by dynamic
Conduction is realized in the effect of contact connecting plate, transformer connecting plate, and this conductive structure has problems in that：1st, touched due to dynamic
Limited separation between the vertical connecting plate segment distance square frame-shaped bearing left surface of head, and insulation support plate will occupy certain space,
Therefore the thickness of the vertical connecting plate section of transformer can not be too thick, and the flow area that this results in whole conductive structure is limited, existing
The specified through-current capability for having conductive structure is 2000A, and as growth requirement, 2000A specified through-current capability can not expire
Sufficient requirement, it is necessary to increase the specified through-current capability of conductive structure, such as need specified through-current capability being promoted to
2500A, if changed to whole conductive structure, the improvement cost of product can be increased；2nd, as band chassis vehicle is with cabinet type disconnected
The development of road device, due to the requirement of voltage class, handcart stroke reaches 350mm, vacuum interrupter and chassis vehicle screw mandrel and metal
The space length of framework reduces therewith, and this requires to increase corresponding insulation position between vacuum interrupter and metal framework and screw mandrel
Reason.
The content of the invention
It is above-mentioned to solve it is an object of the invention to provide a kind of railway electrification breaker apparatus and its conductive structure
The problem of being proposed in background technology.
To achieve the above object, the present invention provides following technical scheme：A kind of railway electrification breaker apparatus and its
Conductive structure, including：
Chassis vehicle, it includes bottom plate and wheel construction, and the side of the bottom plate is vertically arranged with the cabinet type cart frame of distribution,
The one side of the cart frame towards the bottom plate is provided with chassis vehicle and promotes screw mandrel；
Current transformer, it is arranged on the bottom plate；
Square frame-shaped bearing and upper bracket, it is respectively positioned on the top of the current transformer, and the upper bracket is located at the side
The surface of frame shape bearing and the two be fixed on by high-voltage insulation strut on the cart frame of side, the square frame-shaped
Electrically connected between bearing and the current transformer by mutual inductor connection board, the mutual inductor connection board and the square frame-shaped branch
Tie point between seat is located on the side of the square frame-shaped bearing away from the cart frame；
Vacuum interrupter, it is fixed between the square frame-shaped bearing and the upper bracket, the vacuum interrupter and institute
State and electrically connect between square frame-shaped bearing；
Upper conductive clip, it is arranged on the upper bracket, is electrically connected between the upper conductive clip and the vacuum interrupter；
Moving contact, it has two, is set down, two moving contacts respectively by upper contact arm and it is lower touch
Arm electrically connects with the upper conductive clip and the current transformer；
First insulation board, it is vertically arranged between the square frame-shaped bearing and the upper bracket, first insulation board
Between the vacuum interrupter and the chassis vehicle promote screw mandrel, first insulation board is provided with silica gel full skirt.
Preferably, it is remote for described railway electrification breaker apparatus and its conductive structure, the vacuum interrupter
The second insulation board is provided with side from the cart frame.
Preferably, it is remote for described railway electrification breaker apparatus and its conductive structure, the square frame-shaped bearing
Side from the cart frame is provided with insulation support plate, passes through support member between the insulation support plate and the lower contact arm
Support is fixed.
Preferably, for described railway electrification breaker apparatus and its conductive structure, on the square frame-shaped bearing
Provided with insulating barrier.
Preferably, for described railway electrification breaker apparatus and its conductive structure, the upper conductive clip and institute
Soft structure is connected between stating between contact arm.
Preferably, for described railway electrification breaker apparatus and its conductive structure, the soft structure is red copper
Paper tinsel compacting forms.
Preferably, for described railway electrification breaker apparatus and its conductive structure, the silica gel full skirt is ring
Oxygen resin material is made.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the structure type of present invention adjustment upper bracket and square frame-shaped bearing, meets 630A~2500A difference current classes
Through-current capability requirement, the temperature rise of 35K under room temperature environment can be met, by the way that the installation site forward end of current transformer is adjusted
Whole, the distance for pulling open lower contact arm and insulation support plate is conveniently adjusted the sectional area of lower contact arm and mutual inductor connection board to adapt to difference
Current class requirement, support member can enable part strength of the lower contact arm when dynamic/static contact engages ensure that be flexible coupling installation
Between upper contact arm and upper conductive clip, upper bracket is not involved in through-flow, can be met not by adjusting the cross-sectional flow area that is flexible coupling
With the adjustment of current class, the improvement cost of product is reduced.
2nd, main conductive circuit of the invention is arranged on cart frame by high-voltage insulation strut, in upper bracket, square frame-shaped
First insulation board is installed, the first insulation board, which is provided with silica gel full skirt, can meet that creep age distance will between bearing and high-voltage insulation strut
Ask, while the silica gel full skirt on the first insulation board adds the air insulation between vacuum interrupter and chassis vehicle propulsion screw mandrel again
Distance, the development and application for matching somebody with somebody cabinet type breaker with chassis vehicle can be met.
Brief description of the drawings
Fig. 1 is the structural representation of existing single-phase vacuum circuit breaker for railway electrification equipment,
Fig. 2 is the structural representation of the present invention,
Wherein, 1, chassis vehicle, 101, bottom plate, 102, wheel construction, 2, cart frame, 3, chassis vehicle promote screw mandrel, 4, electric current
Transformer, 5, square frame-shaped bearing, 6, upper bracket, 7, high-voltage insulation strut, 8, mutual inductor connection board, 9, vacuum interrupter, 10, on
Conductive clip, 11, moving contacts, 12, upper contact arm, 13, lower contact arm, the 14, first insulation board, 15, silica gel full skirt, 16, second is exhausted
Listrium, 17, insulation support plate, 18, support member, 19, be flexible coupling.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 2, the present invention provides a kind of technical scheme：A kind of railway electrification breaker apparatus and its conductive knot
Structure, including：
Chassis vehicle 1, it includes bottom plate 101 and wheel construction 102, and it is cabinet type that the side of the bottom plate 101 is vertically arranged with distribution
Cart frame 2, the cart frame 2 towards the bottom plate 101 one side be provided with chassis vehicle promote screw mandrel 3；
Current transformer 4, it is arranged on the bottom plate 101；
Square frame-shaped bearing 5 and upper bracket 6, it is respectively positioned on the top of the current transformer 4, and the upper bracket 6 is located at institute
State the surface of square frame-shaped bearing 5 and the two is fixed on the cart frame 2 of side by high-voltage insulation strut 7, institute
State and electrically connected between square frame-shaped bearing 5 and the current transformer 4 by mutual inductor connection board 8, the mutual inductor connection board 8 with
Tie point between the square frame-shaped bearing 5 is located on side of the square frame-shaped bearing 5 away from the cart frame 2；
Vacuum interrupter 9, it is fixed between the square frame-shaped bearing 5 and the upper bracket 6, the vacuum interrupter 9
Electrically connected between the square frame-shaped bearing 5；
Upper conductive clip 10, it is arranged on the upper bracket 6, between the upper conductive clip 10 and the vacuum interrupter 9
Electrical connection；
Moving contact 11, it has two, is set down, and two moving contacts 11 pass through upper contact arm 12 respectively
Electrically connected with lower contact arm 13 with the upper conductive clip 10 and the current transformer 4；
First insulation board 14, it is vertically arranged between the square frame-shaped bearing 5 and the upper bracket 6, and described first is exhausted
Listrium 14 is located between the vacuum interrupter 9 and chassis vehicle propulsion screw mandrel 3, and first insulation board 14 is provided with silica gel
Full skirt 15.
The vacuum interrupter 9 is provided with the second insulation board 16 on the side away from the cart frame 2.
Side of the square frame-shaped bearing 5 away from the cart frame 2 is provided with insulation support plate 17, the insulating supporting
Supported and fixed by support member 18 between plate 17 and the lower contact arm 13.
The square frame-shaped bearing 5 is provided with insulating barrier.
Soft structure 19 is connected between the upper conductive clip 10 and the upper contact arm 12.
The soft structure 19 is that red copper foil compacting forms.
The silica gel full skirt 15 is made up of epoxide resin material.
In summary, railway electrification breaker apparatus and its conductive structure provided by the invention, have adjusted upper bracket 6
With the structure type of square frame-shaped bearing 5, meet the through-current capability requirement of 630A~2500A difference current classes, room temperature can be met
35K temperature rise under environment, by the way that the installation site forward end of current transformer 4 is adjusted, pull open lower contact arm 13 and insulating supporting
The distance of plate 17 is conveniently adjusted the sectional area of lower contact arm 13 and mutual inductor connection board 8 to adapt to different current class requirements, props up
Support member 18 can enable part strength of the lower contact arm 13 when dynamic/static contact engages ensure, be flexible coupling 19 be installed on contact arm 12 with
Between upper conductive clip 10, upper bracket 6 is not involved in through-flow, can meet different electric currents by be flexible coupling 19 cross-sectional flow area of adjustment
The adjustment of grade, reduce the improvement cost of product.The main conductive circuit of the present invention is arranged on handcart by high-voltage insulation strut 7
On framework 2, the first insulation board 14, the first insulation board 14 are installed between upper bracket 6, square frame-shaped bearing 5 and high-voltage insulation strut 7
Creep age distance requirement can be met by being provided with silica gel full skirt 15, while the silica gel full skirt 15 on the first insulation board 14 adds vacuum again
Arc-chutes 9 and chassis vehicle promote the air insulation distance between screw mandrel 3, can meet with development of the chassis vehicle with cabinet type breaker with
Using.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of railway electrification breaker apparatus and its conductive structure, it is characterised in that including：
Chassis vehicle, it includes bottom plate and wheel construction, and the side of the bottom plate is vertically arranged with the cabinet type cart frame of distribution, described
The one side of cart frame towards the bottom plate is provided with chassis vehicle and promotes screw mandrel；
Current transformer, it is arranged on the bottom plate；
Square frame-shaped bearing and upper bracket, it is respectively positioned on the top of the current transformer, and the upper bracket is located at the square frame-shaped
The surface of bearing and the two be fixed on by high-voltage insulation strut on the cart frame of side, the square frame-shaped bearing
Electrically connected between the current transformer by mutual inductor connection board, the mutual inductor connection board and the square frame-shaped bearing it
Between tie point be located on the side of the square frame-shaped bearing away from the cart frame；
Vacuum interrupter, it is fixed between the square frame-shaped bearing and the upper bracket, the vacuum interrupter and the side
Electrically connected between frame shape bearing；
Upper conductive clip, it is arranged on the upper bracket, is electrically connected between the upper conductive clip and the vacuum interrupter；
Moving contact, it has two, is set down, two moving contacts respectively by upper contact arm and lower contact arm with
The upper conductive clip and current transformer electrical connection；
First insulation board, it is vertically arranged between the square frame-shaped bearing and the upper bracket, and first insulation board is located at
Between the vacuum interrupter and the chassis vehicle promote screw mandrel, first insulation board is provided with silica gel full skirt.
2. railway electrification breaker apparatus according to claim 1 and its conductive structure, it is characterised in that described true
Empty arc-chutes are provided with the second insulation board on the side away from the cart frame.
3. railway electrification breaker apparatus according to claim 1 and its conductive structure, it is characterised in that the side
Side of the frame shape bearing away from the cart frame is provided with insulation support plate, between the insulation support plate and the lower contact arm
Fixed by supports support.
4. railway electrification breaker apparatus according to claim 1 and its conductive structure, it is characterised in that the side
Frame shape bearing is provided with insulating barrier.
5. railway electrification breaker apparatus according to claim 1 and its conductive structure, it is characterised in that on described
Soft structure is connected between conductive clip and the upper contact arm.
6. railway electrification breaker apparatus and its conductive structure according to claim 1 or 5, it is characterised in that institute
Soft structure is stated to form for red copper foil compacting.
7. railway electrification breaker apparatus according to claim 1 and its conductive structure, it is characterised in that the silicon
Glue full skirt is made up of epoxide resin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710980595.5A CN107578960A (en) | 2017-10-19 | 2017-10-19 | A kind of railway electrification breaker apparatus and its conductive structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710980595.5A CN107578960A (en) | 2017-10-19 | 2017-10-19 | A kind of railway electrification breaker apparatus and its conductive structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107578960A true CN107578960A (en) | 2018-01-12 |
Family
ID=61037471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710980595.5A Pending CN107578960A (en) | 2017-10-19 | 2017-10-19 | A kind of railway electrification breaker apparatus and its conductive structure |
Country Status (1)
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| CN2056788U (en) * | 1989-10-27 | 1990-05-02 | 李玉山 | General indoor high voltage vacuum breaker |
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| CN2606480Y (en) * | 2003-02-13 | 2004-03-10 | 杭州欣美成套电器制造有限公司 | Fuse lightning arrester handcart attached to high-voltage switch cabinet |
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| CN103855637A (en) * | 2012-12-03 | 2014-06-11 | 乐星湖开电气（湖北）有限公司 | 27.5kV railway-used vacuum circuit breaker |
| CN104392865A (en) * | 2014-10-29 | 2015-03-04 | 平高集团有限公司 | Circuit breaker equipment used for railway electrification and conductive structure thereof |
| CN204905738U (en) * | 2015-08-11 | 2015-12-23 | 成都交大川电科技有限公司 | Cubical switchboard and circuit breaker handcart thereof |
| CN204946792U (en) * | 2015-08-17 | 2016-01-06 | 格雷诺(厦门）开关有限公司 | A kind of Novel electric electrified railway single-stage solid sealing type vacuum circuit breaker |
| CN205264597U (en) * | 2016-01-04 | 2016-05-25 | 陕西西高开关有限责任公司 | Long -life mechanism railway vacuum circuit breaker |
| CN205959869U (en) * | 2016-09-07 | 2017-02-15 | 武汉齐飞电气有限公司 | Novel indoor handcart -type circuit breaker |
| CN207381344U (en) * | 2017-10-19 | 2018-05-18 | 武汉倍诺德开关股份有限公司 | A kind of railway electrification breaker apparatus and its conductive structure |
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2017
- 2017-10-19 CN CN201710980595.5A patent/CN107578960A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1230112B (en) * | 1961-02-14 | 1966-12-08 | Concordia Maschinen & Elek Zit | Exchangeable arrangement of the primary triggers on electrical switch trucks |
| CN2056788U (en) * | 1989-10-27 | 1990-05-02 | 李玉山 | General indoor high voltage vacuum breaker |
| CN2261081Y (en) * | 1996-02-14 | 1997-08-27 | 郑州铁路局西安科学技术研究所 | Indoor hand-cart type high-voltage circuit breaker |
| CN2606480Y (en) * | 2003-02-13 | 2004-03-10 | 杭州欣美成套电器制造有限公司 | Fuse lightning arrester handcart attached to high-voltage switch cabinet |
| CN201556879U (en) * | 2009-11-05 | 2010-08-18 | 江苏帕威尔电气有限公司 | Breaker handcart |
| CN201733004U (en) * | 2010-03-04 | 2011-02-02 | 四川电器集团有限公司 | Special intelligent circuit breaker for railways |
| CN201663379U (en) * | 2010-04-26 | 2010-12-01 | 山东泰开成套电器有限公司 | Single-pole switchgear for railroad electrification |
| CN202258991U (en) * | 2011-09-09 | 2012-05-30 | 许昌永新电器设备有限公司 | Single-phase monopole indoor railway embedded pole vacuum circuit breaker |
| CN202772483U (en) * | 2012-09-25 | 2013-03-06 | 武汉齐飞电气有限公司 | High voltage electrical switch cabinet |
| CN103855637A (en) * | 2012-12-03 | 2014-06-11 | 乐星湖开电气（湖北）有限公司 | 27.5kV railway-used vacuum circuit breaker |
| CN104392865A (en) * | 2014-10-29 | 2015-03-04 | 平高集团有限公司 | Circuit breaker equipment used for railway electrification and conductive structure thereof |
| CN204905738U (en) * | 2015-08-11 | 2015-12-23 | 成都交大川电科技有限公司 | Cubical switchboard and circuit breaker handcart thereof |
| CN204946792U (en) * | 2015-08-17 | 2016-01-06 | 格雷诺(厦门）开关有限公司 | A kind of Novel electric electrified railway single-stage solid sealing type vacuum circuit breaker |
| CN205264597U (en) * | 2016-01-04 | 2016-05-25 | 陕西西高开关有限责任公司 | Long -life mechanism railway vacuum circuit breaker |
| CN205959869U (en) * | 2016-09-07 | 2017-02-15 | 武汉齐飞电气有限公司 | Novel indoor handcart -type circuit breaker |
| CN207381344U (en) * | 2017-10-19 | 2018-05-18 | 武汉倍诺德开关股份有限公司 | A kind of railway electrification breaker apparatus and its conductive structure |
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| PB01 | Publication | ||
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Application publication date: 20180112 |