CN202772481U - Electrified railway dedicated switching device - Google Patents
Electrified railway dedicated switching device Download PDFInfo
- Publication number
- CN202772481U CN202772481U CN201220490361.5U CN201220490361U CN202772481U CN 202772481 U CN202772481 U CN 202772481U CN 201220490361 U CN201220490361 U CN 201220490361U CN 202772481 U CN202772481 U CN 202772481U
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- CN
- China
- Prior art keywords
- cabinet
- breaker
- switchgear
- vacuum circuit
- cable vault
- 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 - Lifetime
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Abstract
The utility model provides an electrified railway dedicated switching device which is a switch cabinet comprising a cabinet body. A small bus-bar chamber is arranged above one side of the cabinet body. An instrument chamber is arranged in the cabinet body and is under the small bus-bar chamber correspondingly. A circuit breaker chamber is arranged at the middle part of the cabinet body and is under the instrument chamber. A vacuum circuit breaker is arranged in the circuit breaker chamber. A lower end of the vacuum circuit breaker is also provided with a current transformer. The other side of the cabinet body is a cable compartment. A wall bushing which passes through the whole cabinet body is arranged above the cable compartment. The wall bushing is provided with a through hole. An in and out bus-bar passes through the cabinet body from the through hole of the wall bushing, and one end of the in and out bus-bar is connected to the vacuum circuit breaker. The electrified railway dedicated switching device has the advantages of simple structure and convenient operation and is suitable for occasions of an electrified railway traction power supply system and the like, and safer protection is provided.
Description
Technical field
The utility model relates to the technical field of railway electrification, relates in particular to a kind of electric railway special switch equipment.
Background technology
Fast development along with national economy, railway is also in continuous fast development, and especially along with the electrified research that deepens continuously, the electrified technology that is applied on the railway obtains develop rapidly, and along with the speed of train is more and more faster, electrified equipment is also had higher requirement.
Standard and electrical standard according to the national Ministry of Railways, the electrified switch that is applied on the railway need to guarantee safety and the connection of being connected, and because the special circumstances on the railway,, the characteristics such as voltage high, system complex fast such as speed, this just has higher requirement to the switchgear that is applied to railway.
And in the prior art, usually adopt the switchgear of regular tap cabinet that the application of railway switch is provided, although can access basic support, owing to being not special equipment, and the characteristics for railway do not design targetedly, break away from, produce the defectives such as spark therefore easily produce contact.
In implementation, although the chance that produces these situations seldom, but still the defective that exists may have been brought hide dangerous and possible for railway electrification equipment.
For this reason, designer of the present utility model is because defects by concentrating on studies and designing, comprehensively is engaged in for a long time experience and the achievement of related industry for many years, and research and design goes out a kind of electric railway special switch equipment, to overcome defects.
Summary of the invention
The purpose of this utility model is to provide a kind of electric railway special switch equipment, and it is simple in structure, and operation is convenient, is applicable to the occasions such as electrified railway traction power supply system, and safer protection is provided.
For achieving the above object, the utility model discloses a kind of electric railway special switch equipment, is a switch cubicle, and it includes cabinet, it is characterized in that:
Above a side of cabinet, be provided with little bus-bar room;
In cabinet corresponding little bus-bar room below be provided with the control room;
Be provided with breaker chamber below cabinet middle part and control room, vacuum circuit-breaker is arranged in this breaker chamber, and the lower end of this vacuum circuit-breaker also is provided with current transformer;
The opposite side of this cabinet is the cable vault, and this top, cable vault is provided with the wall bushing that runs through whole cabinet, and this wall bushing has through hole;
One turnover busbar passes cabinet from the through hole of this wall bushing, and the one end is connected to this vacuum circuit-breaker.
Wherein: this vacuum circuit-breaker summation current transformer is arranged on the travelling car.
Wherein: this travelling car is promoted by a propulsive mechanism that is arranged in the breaker chamber, and an end of this propulsive mechanism is connected in the cabinet inboard, and the other end is connected in travelling car.
Wherein: this propulsive mechanism is hydraulic jack, pneumatic cylinder or Worm and worm-wheel gearing.
Wherein: this turnover busbar supports porcelain vase by two and is connected in the cabinet inwall, and this turnover busbar is connected to vacuum circuit-breaker by an arc insulating cover.
Wherein: this below, cable vault is provided with the contact busbar, and this contact busbar is connected to this current transformer, and it supports porcelain vase by two and is connected in the cabinet inwall, and this contact busbar is connected to this current transformer by another arc insulating cover.
Wherein: this below, cable vault also is provided with earthing bar.
Wherein: be provided with observation window in the cabinet side.
Wherein: in breaker chamber and cable vault, be equiped with heater or dehumidification equipment.
Wherein: above breaker chamber, little bus-bar room and cable vault, be provided with pressure relief device.
By said structure, electric railway special switch equipment of the present utility model has been realized following technique effect:
1, simple in structure, loading and unloading are convenient, and are safe and reliable;
2, provide multiple safety device, further improved security performance;
3, adopt modularized design, mutually general between each equipment, reduced cost;
4, design for rolling stock, applicability is stronger.
Detailed content of the present utility model can obtain by explanation described later and institute's accompanying drawing.
Description of drawings
Fig. 1 has shown the concrete structure figure of electric railway special switch equipment of the present utility model.
Fig. 2 has shown the end view of electric railway special switch equipment of the present utility model.
Description of reference numerals:
1 little bus-bar room
2 control rooms
3 breaker chambers
4 propulsive mechanisms
5 vacuum circuit-breakers
6 current transformers
7 wall bushings
8 support porcelain vase
9 turnover busbars
10 arc insulating covers
11 observation windows
12 analog bus
13 contact busbars
14 earthing bars
Embodiment
Referring to Fig. 1 and Fig. 2, shown respectively concrete structure figure and the end view of electric railway special switch equipment of the present utility model.
Wherein, this electric railway special switch equipment is a switch cubicle, and it includes cabinet, is provided with little bus-bar room 1 above a side of cabinet, and in cabinet, the below of corresponding little bus-bar room 1 is provided with control room 2.
Wherein, be provided with breaker chamber 3 below cabinet middle part and control room 2, vacuum circuit-breaker 5 is arranged in this breaker chamber 3, and the lower end of this vacuum circuit-breaker 5 also is provided with current transformer 6.
Preferably, these vacuum circuit-breaker 5 summation current transformers 6 are arranged on the travelling car, thus, can be convenient to movement and the maintenance of these vacuum circuit-breaker 5 summation current transformers 6.
More preferably, this travelling car can be promoted by a propulsive mechanism 4 that is arranged in the breaker chamber 3, and an end of this propulsive mechanism 4 is connected in the cabinet inboard, and the other end is connected in travelling car.
Preferably, this propulsive mechanism 4 is the various structures that the realizations such as hydraulic jack, pneumatic cylinder, Worm and worm-wheel gearing move forward and backward.
Wherein, the opposite side of this cabinet is the cable vault, this top, cable vault is provided with the wall bushing 7 that runs through whole cabinet, this wall bushing 7 has through hole, one turnover busbar 9 passes cabinet from the through hole of this wall bushing 7, and the one end is connected to this vacuum circuit-breaker 5, and this turnover busbar 9 is connected in the cabinet inwall by two support porcelain vases 8, preferably, this turnover busbar 9 is connected to vacuum circuit-breaker by an arc insulating cover 10.
Wherein, this below, cable vault is provided with contact busbar 13, and this contact busbar 13 is connected to this current transformer 6, and it supports porcelain vase by two and is connected in the cabinet inwall, and preferably, this contact busbar 13 is connected to this current transformer 6 by another arc insulating cover.
Wherein, this below, cable vault also is provided with earthing bar 14.
Preferably, be provided with observation window 11 in the cabinet side, thus, operating personnel can observe and safeguard by the inner case of observation window 11 switching devices, greatly facilitate in the course of the work maintenance and safety.
Preferably, also be provided with analog bus 12 in the cabinet side.
Preferably, this switchgear also is provided with the display unit with voltage that monitors the primary circuit electriferous state, and it not only can show the high tension loop electriferous state, can also cooperate the realization forced blocking, thereby improves the anti-error function of product.
Preferably, in order to prevent in the larger climatic environment of high humility or variations in temperature, producing condensation, in breaker chamber and cable vault, be equiped with heater or dehumidification equipment.
Preferably, above breaker chamber, little bus-bar room and cable vault, be provided with pressure relief device, when internal fault generation electric arc occurs when, the switchgear air pressure inside raises, this pressure relief device can in time be opened automatically according to predetermined force value, thereby release pressure, discharges high-temperature gas.
This shows, advantage of the present utility model is as follows:
1, simple in structure, loading and unloading are convenient, and are safe and reliable;
2, provide multiple safety device, further improved security performance;
3, adopt modularized design, mutually general between each equipment, reduced cost;
4, design for rolling stock, applicability is stronger.
It is evident that, above description and record only are for example rather than in order to limit disclosure of the present utility model, application or use.Although described in an embodiment and be described in the drawings embodiment, but the optimal mode that the utility model does not limit by the accompanying drawing example and the conduct of describing is in an embodiment thought at present to be implementing the specific examples of instruction of the present utility model, and scope of the present utility model will comprise any embodiment of the specification that falls into the front and appended claim.
Claims (10)
1. an electric railway special switch equipment is a switch cubicle, and it includes cabinet, it is characterized in that:
Above a side of cabinet, be provided with little bus-bar room;
In cabinet corresponding little bus-bar room below be provided with the control room;
Be provided with breaker chamber below cabinet middle part and control room, vacuum circuit-breaker is arranged in this breaker chamber, and the lower end of this vacuum circuit-breaker also is provided with current transformer;
The opposite side of this cabinet is the cable vault, and this top, cable vault is provided with the wall bushing that runs through whole cabinet, and this wall bushing has through hole;
One turnover busbar passes cabinet from the through hole of this wall bushing, and the one end is connected to this vacuum circuit-breaker.
2. switchgear as claimed in claim 1, it is characterized in that: this vacuum circuit-breaker summation current transformer is arranged on the travelling car.
3. switchgear as claimed in claim 2, it is characterized in that: this travelling car is promoted by a propulsive mechanism that is arranged in the breaker chamber, and an end of this propulsive mechanism is connected in the cabinet inboard, and the other end is connected in travelling car.
4. switchgear as claimed in claim 3, it is characterized in that: this propulsive mechanism is hydraulic jack, pneumatic cylinder or Worm and worm-wheel gearing.
5. such as arbitrary described switchgear in the claim 1 to 4, it is characterized in that: this turnover busbar supports porcelain vase by two and is connected in the cabinet inwall, and this turnover busbar is connected to vacuum circuit-breaker by an arc insulating cover.
6. switchgear as claimed in claim 5, it is characterized in that: this below, cable vault is provided with the contact busbar, this contact busbar is connected to this current transformer, and it supports porcelain vase by two and is connected in the cabinet inwall, and this contact busbar is connected to this current transformer by another arc insulating cover.
7. switchgear as claimed in claim 6 is characterized in that: also be provided with earthing bar below this cable vault.
8. such as arbitrary described switchgear in the claim 1 to 4, it is characterized in that: be provided with observation window in the cabinet side.
9. such as arbitrary described switchgear in the claim 1 to 4, it is characterized in that: in breaker chamber and cable vault, be equiped with heater or dehumidification equipment.
10. such as arbitrary described switchgear in the claim 1 to 4, it is characterized in that: above breaker chamber, little bus-bar room and cable vault, be provided with pressure relief device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220490361.5U CN202772481U (en) | 2012-09-25 | 2012-09-25 | Electrified railway dedicated switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220490361.5U CN202772481U (en) | 2012-09-25 | 2012-09-25 | Electrified railway dedicated switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202772481U true CN202772481U (en) | 2013-03-06 |
Family
ID=47779024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220490361.5U Expired - Lifetime CN202772481U (en) | 2012-09-25 | 2012-09-25 | Electrified railway dedicated switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202772481U (en) |
-
2012
- 2012-09-25 CN CN201220490361.5U patent/CN202772481U/en not_active Expired - Lifetime
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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: 20130306 |