CN105071275A - Railway switch cabinet - Google Patents
Railway switch cabinet Download PDFInfo
- Publication number
- CN105071275A CN105071275A CN201510492842.8A CN201510492842A CN105071275A CN 105071275 A CN105071275 A CN 105071275A CN 201510492842 A CN201510492842 A CN 201510492842A CN 105071275 A CN105071275 A CN 105071275A
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- CN
- China
- Prior art keywords
- cabinet
- circuit breaker
- breaker cart
- switch cubicle
- railway switch
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Abstract
The invention discloses a railway switch cabinet. The switch cabinet comprises a cabinet body, a static contact which is used for connection or disconnection and arranged in the cabinet body, and a circuit breaker handcart. A moving contact contacting with the static contact is arranged on the circuit breaker handcart. The circuit breaker handcart is arranged on an external railway and enters and comes out of the cabinet body via front and back movement. A current transformer communicated with the moving contact is arranged on the circuit breaker handcart. The current transformer is integrated into the circuit breaker handcart, so space occupied by them is reduced, space in the cabinet body is greatly saved, use condition of space of the switch cabinet is improved, and the circuit breaker handcart can be matched to the cabinet body just by adjusting the handcart with no need for adjusting the current transformer in the cabinet body. Thus, ability to adapt to different cabinet bodies of the circuit breaker handcart is improved and cost of devices is reduced.
Description
Technical field
The present invention relates to power supply unit technical field, more particularly, relate to a kind of railway switch cubicle.
Background technology
Parts in switch cubicle mainly contain the compositions such as circuit breaker, isolating switch, on-load switch, operating mechanism, instrument transformer and various protective devices.High-tension switch cabinet can be divided into, Medium Voltage Switchgear and low-tension switch cabinet etc. according to electric pressure difference.Mainly be applicable to various different occasion such as power plant, transformer station, petrochemical industry, metallurgical steel rolling, industry light industry textile industry, industrial enterprise and residential quarters, skyscraper etc.
Railway switch cubicle is the special complete power distribution equipment of a kind of electric railway, to accept and distribute electric energy for traction substation of electric railway, switching station, subregion booth as trunk railway power supply system of electric traction.
Railway switch cubicle comprises the entrance bushing being vertically installed on cabinet top mostly, upper and lower part, cabinet rear end is each fixes an insulator, upper and lower two insulators are furnished with fixed contact respectively, cabinet is equipped with wall bushing according to a scheme, main busbar passes from wall bushing, the fixed contact on top overlap with the lower end of entrance bushing by upper busbar, and the fixed contact of bottom passes through lower busbar 3 and main busbar overlaps.When cabinet is furnished with circuit breaker cart, circuit breaker cart is provided with upper and lower two moving contacts, moving contact contacts with upper and lower fixed contact respectively and coordinates; The top of cabinet front end arranges control room.
Inventor finds that railway switch cubicle of the prior art also exists certain use limitation, be in particular in, current transformer setting position is wherein reasonable not, mostly current transformer is arranged on cabinet in prior art, but limited space in cabinet, the loading of current transformer can be compressed space in cabinet and cause other electric elements installing spaces comparatively narrow.
In addition in the switch cubicle being furnished with circuit breaker cart, circuit breaker cart usually went wrong with mating of cabinet, and the switch cubicle of similar model often can not universal breaker handcart, causes device interchangeability poor, for equipment adds extra cost.
In sum, how effectively solving railway switch cabinet current transformer and arrange the problems such as unreasonable, is current those skilled in the art's urgent problem.
Summary of the invention
In view of this, first object of the present invention is to provide a kind of railway switch cubicle, and the structural design of this railway switch cubicle effectively can solve railway switch cabinet current transformer and arrange the problems such as unreasonable.
In order to achieve the above object, the invention provides following technical scheme:
A kind of railway switch cubicle, comprising:
Cabinet and the fixed contact for being turned on or off be arranged in cabinet;
Circuit breaker cart, circuit breaker cart is provided with the moving contact for contacting with fixed contact;
Outside track, outside track independent of cabinet, and to be connected with the underframe of cabinet by latch on it and to extend outside cabinet;
Circuit breaker cart is placed on outside track, and by movable turnover cabinet, circuit breaker cart is provided with current transformer, and current transformer is communicated with moving contact.
Preferably, in above-mentioned railway switch cubicle, circuit breaker cart enters cabinet from the front end of cabinet, and the left and right sides of the front end of cabinet is provided with side plate, and side board edge bends.
Preferably, in above-mentioned railway switch cubicle, the first half of the front end of cabinet is provided with control room, is provided with secondary cable groove in the space that side plate is bent to form.
Preferably, in above-mentioned railway switch cubicle, the opening part of secondary cable groove is provided with cover plate.
Preferably, in above-mentioned railway switch cubicle, the cabinet of circuit breaker cart top position is provided with pressure release cover plate, cabinet internal pressure exceedes threshold value pressure release cover plate and outwards opens.
Preferably, in above-mentioned railway switch cubicle, circuit breaker cart is provided with propulsion positioning mechanism, and propulsion positioning mechanism is for manipulating circuit breaker cart turnover cabinet.
Railway switch cubicle provided by the invention, comprising: cabinet and the fixed contact for being turned on or off be arranged in cabinet; Circuit breaker cart, circuit breaker cart is provided with the moving contact for contacting with fixed contact; Outside track, outside track independent of cabinet, and to be connected with the underframe of cabinet by latch on it and to extend outside cabinet; Circuit breaker cart is placed on outside track, and by movable turnover cabinet, circuit breaker cart is provided with current transformer, and current transformer is communicated with moving contact.Current transformer is arranged on circuit breaker cart by technical scheme provided by the invention, during work, fixed contact, moving contact ranks into complete loops through the current transformer of circuit breaker cart and upper installation thereof through line, the assigned address operation conjunction that circuit breaker cart is pre-designed in cabinet, separating brake, there is corresponding change to complete the work of switch cubicle in connecting and disconnecting of the circuit state, this design is owing to being wholely set current transformer and circuit breaker cart, decrease the space that original two parts occupy separately, greatly save the space in cabinet, improve the space service condition of switch cubicle, simultaneously due to current transformer and circuit breaker cart one are installed, when needs are to cabinet coupling circuit breaker cart, rival car is only needed to adjust accordingly, no longer need to adjust the current transformer in cabinet, enhance the ability that circuit breaker cart adapts to different cabinet, save the cost of equipment.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The internal structure schematic diagram of the railway switch cubicle that Fig. 1 provides for the embodiment of the present invention.
In accompanying drawing, mark is as follows:
Cabinet 1, entrance bushing 2, a busbar 3, insulator 4, fixed contact 5, moving contact 6, main busbar 7, current transformer 8, propulsion positioning mechanism 9, secondary cable groove 10, outside track 11, cover plate 12, circuit breaker cart 13, control room 14, pressure release cover plate 15.
Embodiment
The embodiment of the invention discloses a kind of for railway switch cubicle, solve railway switch cabinet current transformer and the problems such as unreasonable are set.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the internal structure schematic diagram of the railway switch cubicle that Fig. 1 provides for the embodiment of the present invention.
Railway switch cubicle provided by the invention, comprising: cabinet 1 and the fixed contact 5 for being turned on or off be arranged in cabinet 1; Circuit breaker cart 13, circuit breaker cart 13 is provided with the moving contact 6 for contacting with fixed contact 5; Outside track 11, outside track 11 independent of cabinet, and to be connected with the underframe of cabinet 1 by latch on it and to extend outside cabinet 1; Circuit breaker cart 13 is placed on outside track 11, and by movable turnover cabinet 1, circuit breaker cart 13 is provided with current transformer 8, current transformer 8 is communicated with moving contact 6.
Wherein it should be noted that, in groups, fixed contact 5 moving contact 6 of arranging in pairs or groups works, and the number of fixed contact 5 is determined with the need, generally includes a upper static contact 5 and a lower fixed contact 5 for fixed contact 5 mentioned in the present embodiment and moving contact 6.Cabinet 1 also comprise be arranged at top entrance bushing 2, busbar 3, main busbar 7, insulator 4, wherein insulator 4 coordinates with fixed contact 5 and installs as safety device, electric current is introduced from entrance bushing 2, through a busbar 3, be connected by the contact of fixed contact 5 with moving contact 6, through the current-carrying part of circuit breaker cart 13, then by current transformer 8, feed out eventually through main busbar 7.
Current transformer 8 is arranged on circuit breaker cart 13 by technical scheme provided by the invention, during work, fixed contact 5, moving contact 6 ranks into complete loops through the current transformer 8 of circuit breaker cart 13 and upper installation thereof through line, circuit breaker cart 13 designs assigned address operation and closes in cabinet, separating brake, there is corresponding change to complete the work of switch cubicle in connecting and disconnecting of the circuit state, this design is owing to being wholely set current transformer 8 and circuit breaker cart 13, decrease the space that original two parts occupy separately, greatly save the space in cabinet 1, improve the space service condition of switch cubicle, simultaneously due to current transformer 8 and circuit breaker cart 13 one are installed, when needs are to cabinet coupling circuit breaker cart 13, rival car is only needed to adjust accordingly, no longer need to adjust the current transformer 8 in cabinet 1, enhance the ability that circuit breaker cart 13 adapts to different cabinet, save the cost of equipment.
For optimizing the side spatial distribution of cabinet 1 in technique scheme further, on the basis of above-described embodiment preferably, in above-mentioned railway switch cubicle, circuit breaker cart 13 enters cabinet 1 from the front end of cabinet 1, the left and right sides of the front end of cabinet 1 is provided with side plate, and side board edge bends.
Wherein it should be noted that, direction circuit breaker cart 13 being entered cabinet 1 is decided to be the front end of cabinet 1, cabinet 1 left and right sides arranges side plate for strength support and closed consideration, but the space that have compressed further due to the reason arranging side plate in cabinet, make the space in existing cabinet 1 narrower, have impact on the wiring in cabinet 1.The technical scheme that the present embodiment provides, makes side board edge bend, and while ensure that side plate support strength, owing to having certain bending, has saved the space in cabinet, has optimized the spatial distribution in cabinet 1.
For optimizing the side spatial distribution of cabinet 1 in technique scheme further, on the basis of above-described embodiment preferably, in above-mentioned railway switch cubicle, the first half of the front end of cabinet 1 is provided with control room 14, is provided with secondary cable groove 10 in the space that side plate is bent to form.
Providing side plate bending in previous embodiment forms on the basis of the useful space, the present embodiment proposes secondary cable groove 10 to be arranged in the space of side plate bending formation further, optimize the space matching in cabinet 1 further, the space that the technical scheme proposed effectively has arranged in cabinet 1, makes wherein element distribution, wiring all more reasonable.Secondary cable can pass in and out control room 14 in the work of cabinet 1, herein conveniently its occupy-place, and effectively utilizes side plate to bend the space formed, and proposes the technical scheme arranging secondary cable groove 10 at this, facilitates secondary cable to pass in and out control room 14.
For optimizing the protection to cable in secondary cable groove 10 in technique scheme further, on the basis of above-described embodiment preferably, in above-mentioned railway switch cubicle, the opening part of secondary cable groove 10 is provided with cover plate 12.The present embodiment arranges cover plate 12 on secondary cable groove 10, prevents secondary cable from exposing, and can prevent electric leakage, short circuit to a certain extent, also more attractive in appearance.
For optimizing the fail safe of cabinet 1 in technique scheme further, on the basis of above-described embodiment preferably, in above-mentioned railway switch cubicle, the cabinet 1 of circuit breaker cart 13 top position is provided with pressure release cover plate 15, cabinet 1 internal pressure exceedes threshold value pressure release cover plate 15 and outwards opens.
Inventor finds when there is inner arcing fault; high temperature and high pressure gas is produced in cabinet 1; if can not get release at short notice; may blast and gently then damage power supply unit; heavy then cause casualties; for the needs protecting the person and property safety; the technical scheme arranging pressure release cover plate 15 is proposed in the present embodiment; pressure release cover plate 15 is arranged at the top of the cabinet 1 directly over cabinet inner breaker handcart 13; when producing high temperature and high pressure environment; high temperature and high pressure gas can wash rapidly pressure release cover plate 15 open, and effective pressure release prevents from causing larger accident.
For optimizing the exploitativeness of cabinet 1 in technique scheme further, on the basis of above-described embodiment preferably, in above-mentioned railway switch cubicle, circuit breaker cart 13 is provided with propulsion positioning mechanism 9, and propulsion positioning mechanism 9 passes in and out cabinet 1 for manipulating circuit breaker cart 13.Propulsion positioning mechanism 9 is also provided with the mechanism with positioning function, can be chute and the slide-bar that coordinates with chute and push rod, also can be other analog structures, by arranging propulsion positioning mechanism 9, making the motion of circuit breaker cart 13 be more prone to manipulation.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a railway switch cubicle, is characterized in that, comprising:
Cabinet (1) and the fixed contact (5) for being turned on or off be arranged in described cabinet (1);
Circuit breaker cart (13), described circuit breaker cart (13) is provided with the moving contact (6) for contacting with described fixed contact (5);
Outside track (11), described outside track (11) independent of described cabinet (1), and to be connected with the underframe of described cabinet (1) by latch on it and to extend described cabinet (1) outward;
Described circuit breaker cart (13) is placed on outside track (11), by the described cabinet of movable turnover (1), described circuit breaker cart (13) is provided with current transformer (8), described current transformer (8) is communicated with described moving contact (6).
2. railway switch cubicle according to claim 1, it is characterized in that, described circuit breaker cart (13) enters described cabinet (1) from the front end of described cabinet (1), the left and right sides of the front end of described cabinet (1) is provided with side plate, described side board edge bending.
3. railway switch cubicle according to claim 2, it is characterized in that, the first half of the front end of described cabinet (1) is provided with control room (14), is provided with secondary cable groove (10) in the space that described side plate is bent to form.
4. railway switch cubicle according to claim 3, is characterized in that, the opening part of described secondary cable groove (10) is provided with cover plate (12).
5. railway switch cubicle according to claim 1, it is characterized in that, the cabinet (1) of described circuit breaker cart (13) top position is provided with pressure release cover plate (15), and described cabinet (1) internal pressure exceedes pressure release cover plate (15) described in threshold value and outwards opens.
6. railway switch cubicle according to claim 1, it is characterized in that, described circuit breaker cart (13) is provided with propulsion positioning mechanism (9), and described propulsion positioning mechanism (9) passes in and out described cabinet (1) for manipulating described circuit breaker cart (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510492842.8A CN105071275A (en) | 2015-08-11 | 2015-08-11 | Railway switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510492842.8A CN105071275A (en) | 2015-08-11 | 2015-08-11 | Railway switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105071275A true CN105071275A (en) | 2015-11-18 |
Family
ID=54500588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510492842.8A Pending CN105071275A (en) | 2015-08-11 | 2015-08-11 | Railway switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105071275A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0974627A (en) * | 1995-08-31 | 1997-03-18 | Mitsubishi Electric Corp | Interlocking device of drawer-type circuit 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 |
| CN2394351Y (en) * | 1999-08-18 | 2000-08-30 | 郭宝库 | 43KV single phase metal switch cabinet |
| CN2638302Y (en) * | 2003-06-19 | 2004-09-01 | 四川电器有限责任公司 | Switch cubicle with electric propeller mechanism |
| CN201733004U (en) * | 2010-03-04 | 2011-02-02 | 四川电器集团有限公司 | Special intelligent circuit breaker for railways |
-
2015
- 2015-08-11 CN CN201510492842.8A patent/CN105071275A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0974627A (en) * | 1995-08-31 | 1997-03-18 | Mitsubishi Electric Corp | Interlocking device of drawer-type circuit 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 |
| CN2394351Y (en) * | 1999-08-18 | 2000-08-30 | 郭宝库 | 43KV single phase metal switch cabinet |
| CN2638302Y (en) * | 2003-06-19 | 2004-09-01 | 四川电器有限责任公司 | Switch cubicle with electric propeller mechanism |
| CN201733004U (en) * | 2010-03-04 | 2011-02-02 | 四川电器集团有限公司 | Special intelligent circuit breaker for railways |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151118 |
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| RJ01 | Rejection of invention patent application after publication |