CN204905738U - Cubical switchboard and circuit breaker handcart thereof - Google Patents
Cubical switchboard and circuit breaker handcart thereof Download PDFInfo
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- CN204905738U CN204905738U CN201520605360.4U CN201520605360U CN204905738U CN 204905738 U CN204905738 U CN 204905738U CN 201520605360 U CN201520605360 U CN 201520605360U CN 204905738 U CN204905738 U CN 204905738U
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- circuit breaker
- current transformer
- breaker cart
- conductive plate
- handcart
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Abstract
The utility model discloses a cubical switchboard and circuit breaker handcart thereof, wherein the circuit breaker handcart includes that the handcart main part sets up the vacuum arc -extinguishing in the handcart main part with fixing, still include current transformer, current transformer is fixed in in the handcart main part bottom through the conducting rod elastic connection of soft connecting device with the vacuum interrupter lower extreme, current transformer. Adopt soft connecting device with current transformer with the fixed integrative installation of vacuum interrupter of handcart main part, this connected mode has reduced the circuit breaker handcart and in the internal required space that occupies of cubical switchboard, has connected fixed mode firm in connection for this kind simultaneously, can adapt to often the slide operational environment of business turn over cubical switchboard of circuit breaker handcart well, owing to be the fixed mode that has adopted elastic connection, vibrations that lead to the fact electrical equipment in the round trip movement of circuit breaker handcart or collision are also littleer in addition. The utility model also discloses a cubical switchboard that includes this kind of circuit breaker handcart.
Description
Technical field
The utility model relates to power supply unit technical field, more particularly, relates to a kind of circuit breaker cart, also relates to a kind of switch cubicle comprising this circuit breaker cart.
Background technology
Switch cubicle is a kind of electric equipment, and its Main Function carries out generating electricity in electric power system, transmits electricity, in the process of distribution and electric energy conversion, carries out folding, control and protection power consumption equipment.
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.
Market uses switch cubicle comparatively widely mostly adopt to be placed in by current transformer the technical scheme in cabinet, and inventor to find to adopt its cabinet intracorporeal space of the switch cubicle of this technical scheme narrow, affect the layout of other electric components, and mate circuit breaker cart comparatively to bother, the switch cubicle that circuit breaker cart adapts to different model is comparatively difficult.So and don't there is one and effectively current transformer is arranged at other positions in switch cabinet, and the technical scheme of good result of use can be reached.
In sum, how effectively solving installation position and the result of use problem of the current transformer in switch cabinet, is current those skilled in the art's urgent problem.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of circuit breaker cart, and the structural design of this circuit breaker cart can solve installation position and the result of use problem of the current transformer in switch cabinet effectively.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of circuit breaker cart, comprises handcart main body and is fixedly installed on the vacuum interrupter in handcart main body; Also comprise current transformer, current transformer is connected with the conducting rod elasticity of vacuum interrupter lower end by soft connection device, is fixed in handcart main body bottom current transformer.
Preferably, in above-mentioned circuit breaker cart, soft connection device one end is electrically connected by the conducting rod of conductive clip and vacuum interrupter, and the other end of soft connection device and current transformer inlet wire side are electrically connected.
Preferably, in above-mentioned circuit breaker cart, be also equipped with conductive plate between current transformer and vacuum interrupter, an outgoing line side of conductive plate one end and current transformer is electrically connected, and the moving contact of the other end and circuit breaker cart is electrically connected.
Preferably, in above-mentioned circuit breaker cart, the lower end of vacuum interrupter is equipped with lower wire outlet seat, and the position that conductive plate is adjacent with moving contact is fixedly connected with by screw with lower wire outlet seat.
Preferably, in above-mentioned circuit breaker cart, between conductive plate and lower wire outlet seat, be provided with insulating spacer, the screw in compression of insulating spacer by installing.
Preferably, in above-mentioned circuit breaker cart, between screw and conductive plate, also insulating washer is provided with.
Preferably, in above-mentioned circuit breaker cart, to be electrically connected between wire outlet seat and soft connection device down, insulating spacer is arranged between conductive plate and soft connection device, the two is isolated and insulate.
Preferably, in above-mentioned circuit breaker cart, the tie point place of conductive plate and current transformer is also provided with the insulated support by screw fastening, and insulated support is provided with baffle arrangement, and conductive plate and soft connection device position are isolated by baffle arrangement.
The circuit breaker cart that the utility model provides, comprises handcart main body and is fixedly installed on the vacuum interrupter in handcart main body; Also comprise current transformer, current transformer is connected with the conducting rod elasticity of vacuum interrupter lower end by soft connection device, is fixed in handcart main body bottom current transformer.Current transformer and circuit breaker cart are wholely set, are arranged in cabinet relative to current transformer, and reduce occupying cabinet intracorporeal space with the prior art that circuit breaker cart is provided separately, solve the problem that cabinet intracorporeal space is narrow; Current transformer and circuit breaker cart are arranged integrally also to facilitate simultaneously and adaptive adjustment is carried out to it, greatly strengthen the ability that circuit breaker cart adapts to the switch cubicle of different model; Soft connection device is adopted current transformer and the vacuum interrupter one fixing with handcart main body to be installed, this connected mode reduces the space that circuit breaker cart occupies needed in switch cabinet, simultaneously this mode be connected and fixed is connected firmly difficult drop-off, circuit breaker cart can be adapted to well and often pass in and out switch cubicle and the operational environment producing vibrations thus, in addition owing to being have employed the fixed form that elasticity connects, the vibrations in the moving around of circuit breaker cart, electric equipment caused or collision also less.In sum, above technical scheme efficiently solves installation position and the result of use problem of the current transformer in switch cabinet.
The utility model additionally provides a kind of switch cubicle, the circuit breaker cart comprising cabinet and mate with cabinet, and circuit breaker cart is the such as circuit breaker cart described in above-mentioned any one of utility model content.Because above-mentioned circuit breaker cart has above-mentioned technique effect, the switch cubicle with this circuit breaker cart also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, 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 structural representation of the circuit breaker cart that Fig. 1 provides for the utility model embodiment.
In accompanying drawing, mark is as follows:
Vacuum interrupter 1, lower wire outlet seat 2, handcart main body 3, conductive clip 4, insulating washer 5, insulating spacer 6, moving contact 7, conductive plate 8, insulated support 9, soft connection device 10, current transformer 11.
Embodiment
The utility model embodiment discloses a kind of circuit breaker cart, to solve installation position and the result of use problem of the current transformer in switch cabinet.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the structural representation of the circuit breaker cart that Fig. 1 provides for the utility model embodiment.The circuit breaker cart that the utility model provides, the vacuum interrupter 1 comprising handcart main body 3 and be fixedly installed in handcart main body 3; Also comprise current transformer 11, current transformer 11 is connected with the conducting rod elasticity of vacuum interrupter 1 lower end by soft connection device 10, is fixed in handcart main body 3 bottom current transformer 11.
Wherein it should be noted that, soft connection device 10 comprises and has flexible winding displacement, matches with it as the screw of connection fittings, bolt and pad etc., also comprises all kinds of packing ring back-up rings etc. with insulation function.Wherein mentioned elasticity connects can refer to that link itself is had elasticity or played the effect of elasticity connection by each connector.
Current transformer 11 and circuit breaker cart are wholely set, are arranged in cabinet relative to current transformer 11, and reduce occupying cabinet intracorporeal space with the prior art that circuit breaker cart is provided separately, solve the problem that cabinet intracorporeal space is narrow, current transformer 11 and circuit breaker cart are arranged integrally also to facilitate simultaneously and adaptive adjustment is carried out to it, greatly strengthen the ability that circuit breaker cart adapts to the switch cubicle of different model, soft connection device 10 is adopted current transformer 11 and vacuum interrupter 1 one fixing with handcart main body 3 to be installed, this connected mode reduces the space that circuit breaker cart occupies needed in switch cabinet, this mode be connected and fixed is connected firmly simultaneously, non-rigid owing to connecting itself, there is certain elasticity so be subject to extraneous stress difficult drop-off, circuit breaker cart can be adapted to well often to slide turnover switch cubicle produce the operational environment of vibrations thus, in addition owing to being the fixed form that have employed elasticity connection, the vibrations in the moving around of circuit breaker cart, electric equipment caused or collision also less.In sum, above technical scheme efficiently solves installation position and the result of use problem of the current transformer 11 in switch cabinet.
For optimizing the implementation result of soft connection device in technique scheme further, on the basis of above-described embodiment preferably, in above-mentioned circuit breaker cart, soft connection device 10 one end is electrically connected by the conducting rod of conductive clip 4 with vacuum interrupter 1, and the other end of soft connection device 10 and an inlet wire side of current transformer 11 are electrically connected.
Wherein it should be noted that, current transformer 11 has an inlet wire side and outgoing line side both sides, the two all has the 26S Proteasome Structure and Function of electrically conducting, in the technical scheme of the application, the position of vacuum interrupter 1 in circuit breaker cart relatively by the top, current transformer 11 is arranged at the below of vacuum interrupter 1, by soft connection device 10, vacuum interrupter 1 and current transformer 11 are electrically connected, adopt and conductive clip 4 is added the mode specific implementation being located at conducting rod, be wherein electrically connected the connection not only comprising circuit turn-on and also comprise structural connection.Adopt this technical scheme; by the Flexible Design of soft connection device 10, current transformer 11 is connected with vacuum interrupter 1 elasticity; make current transformer 11 be effectively protected and prevent from damaging, adopt conductive clip 4 to be the technology being applicable to the present embodiment, it implements convenient connection easily.
For optimizing the implementation result of soft connection device in technique scheme further, on the basis of above-described embodiment preferably, in above-mentioned circuit breaker cart, conductive plate 8 is also equipped with between current transformer 11 and vacuum interrupter 1, an outgoing line side of conductive plate 8 one end and current transformer 11 is electrically connected, and the moving contact 7 of the other end and circuit breaker cart is electrically connected.
Wherein it should be noted that, the conductive plate 8 that the technical program provides is for having larger rigidity and certain flexible conductive structure, based on the operation principle of circuit breaker cart, circuit breaker cart is provided with moving contact 7, moving contact 7 is for contacting conducting with the fixed contact on switch cabinet, moving contact 7 is generally setting, and one of them moving contact 7 is directly connected with current transformer 11.This technical scheme optimizes the protected effect of elasticity connection to equipment further, connects moving contact 7 and current transformer 11, make moving contact 7 also possess certain elastic characteristic, coordinate more smooth with the contact of fixed contact because employing has flexible conductive plate 8.
For optimizing the implementation result of soft connection device in technique scheme further, on the basis of above-described embodiment preferably, in above-mentioned circuit breaker cart, the lower end of vacuum interrupter 1 is equipped with lower wire outlet seat 2, and the position that conductive plate 8 is adjacent with moving contact 7 is fixedly connected with by screw with lower wire outlet seat 2.
Lower wire outlet seat 2 is fixed with vacuum interrupter 1 lower end, and vacuum interrupter 1 lower end is terminals, so the soft connection device 10 mentioned in embodiment above is in fact also the connection with lower wire outlet seat 2 with the connection of vacuum interrupter 1.Because vacuum interrupter 1 and handcart main body 3 are fixed, and there is between conductive plate 8 and current transformer 11 steadiness and elasticity, adopt this technical scheme, make the flexible connection of many one decks between vacuum interrupter 1 and current transformer 11, and the two other end is all fixing, this connected mode not only has good stationary positioned function, simultaneously due to the cause that elasticity connects, connects more durable not fragile.
For optimizing the insulation effect of soft connection device in technique scheme further, on the basis of above-described embodiment preferably, in above-mentioned circuit breaker cart, between conductive plate 8 and lower wire outlet seat 2, be provided with insulating spacer 6, the screw in compression of insulating spacer 6 by installing.Wherein it should be noted that the screw mentioned in this enforcement to be the screw that conductive plate 8 is fixing with lower wire outlet seat 2 in above-described embodiment, insulating spacer 6 is set herein and can effectively prevents current transformer 11 because the reason of assembling is by short circuit.
For optimizing the insulation effect of soft connection device in technique scheme further, on the basis of above-described embodiment preferably, in above-mentioned circuit breaker cart, between screw and conductive plate 8, be also provided with insulating washer 5.Give in the above-described embodiments between conductive plate 8 and the technical scheme of insulating spacer 6 has been set between lower wire outlet seat 2, the present embodiment on this basis, further insulating washer 5 is set between screw and conductive plate 8, optimizes insulation effect further, improve the performance preventing short circuit.
For optimizing the insulation effect of soft connection device in technique scheme further, on the basis of above-described embodiment preferably, be electrically connected between lower wire outlet seat 2 and soft connection device 10, insulating spacer 6 is arranged between conductive plate 8 and soft connection device 10, the two is isolated and insulate.Adopt this technical scheme conductive plate 8 and soft connection device 10 to be fixed with lower wire outlet seat 2 simultaneously, make the outlet position of device unified, be convenient to the position that associated appliance element is set, simultaneously in order to ensure that between conductive plate 8 and soft connection device 10, insulation prevents short circuit, insulating spacer 6 is adopted the two to be kept apart.
For optimizing the insulation effect of soft connection device in technique scheme further, on the basis of above-described embodiment preferably, in above-mentioned circuit breaker cart, conductive plate 8 is also provided with the insulated support 9 by screw fastening with the tie point place of current transformer 11, insulated support 9 is provided with baffle arrangement, and conductive plate 8 and soft connection device 10 position isolate by baffle arrangement.
Wherein it should be noted that, baffle arrangement is erected on the wiring point place of an outgoing line side of current transformer 11, by the conductive plate 8 picked out from outgoing line side and the soft connection device 10 points of used outside insulateds gone out from inlet wire side joint, adopt the technical scheme of this insulated support 9 effectively can completely cut off soft connection device 10 and conductive plate 8, prevent short circuit.
Based on the circuit breaker cart provided in above-described embodiment, the utility model additionally provides a kind of switch cubicle, and this switch cubicle comprises the circuit breaker cart of cabinet and coupling, and circuit breaker cart comprises the circuit breaker cart provided in above-mentioned any embodiment.The circuit breaker cart in above-described embodiment is have employed, so the beneficial effect of this switch cubicle please refer to above-described embodiment due to this switch cubicle.
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 utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model 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 (9)
1. a circuit breaker cart, is characterized in that, comprises handcart main body (3) and is fixedly installed on the vacuum interrupter (1) on described handcart main body (3); Also comprise current transformer (11), described current transformer (11) is connected by the conducting rod elasticity of soft connection device (10) with described vacuum interrupter (1) lower end, and described current transformer (11) bottom is fixed on described handcart main body (3).
2. circuit breaker cart according to claim 1, it is characterized in that, described soft connection device (10) one end is electrically connected by the conducting rod of conductive clip (4) with described vacuum interrupter (1), and the other end of described soft connection device (10) and an inlet wire side of described current transformer (11) are electrically connected.
3. circuit breaker cart according to claim 2, it is characterized in that, described current transformer (11) is also equipped with conductive plate (8), an outgoing line side of described conductive plate (8) one end and described current transformer (11) is electrically connected, and the moving contact (7) of the other end and described circuit breaker cart is electrically connected.
4. circuit breaker cart according to claim 3, it is characterized in that, the lower end of described vacuum interrupter (1) is equipped with lower wire outlet seat (2), and the position that described conductive plate (8) is adjacent with described moving contact (7) is fixedly connected with by screw with described lower wire outlet seat (2).
5. circuit breaker cart according to claim 4, it is characterized in that, insulating spacer (6) is provided with, the screw in compression of described insulating spacer (6) by installing between described conductive plate (8) and described lower wire outlet seat (2).
6. circuit breaker cart according to claim 5, is characterized in that, is also provided with insulating washer (5) between described screw and described conductive plate (8).
7. circuit breaker cart according to claim 5, it is characterized in that, be electrically connected between described lower wire outlet seat (2) and described soft connection device (10), described insulating spacer (6) is arranged between described conductive plate (8) and described soft connection device (10), the two is isolated and insulate.
8. circuit breaker cart according to claim 3, it is characterized in that, described conductive plate (8) is also provided with the insulated support (9) by screw fastening with the tie point place of described current transformer (11), described insulated support (9) is provided with baffle arrangement, and described conductive plate (8) and described soft connection device (10) position isolate by described baffle arrangement.
9. a switch cubicle, the circuit breaker cart comprising cabinet and mate with described cabinet, is characterized in that, described circuit breaker cart is the circuit breaker cart as described in any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520605360.4U CN204905738U (en) | 2015-08-11 | 2015-08-11 | Cubical switchboard and circuit breaker handcart thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520605360.4U CN204905738U (en) | 2015-08-11 | 2015-08-11 | Cubical switchboard and circuit breaker handcart thereof |
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| Publication Number | Publication Date |
|---|---|
| CN204905738U true CN204905738U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520605360.4U Active CN204905738U (en) | 2015-08-11 | 2015-08-11 | Cubical switchboard and circuit breaker handcart thereof |
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| CN (1) | CN204905738U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107578960A (en) * | 2017-10-19 | 2018-01-12 | 武汉倍诺德开关股份有限公司 | A kind of railway electrification breaker apparatus and its conductive structure |
| CN112701605A (en) * | 2020-12-24 | 2021-04-23 | 四川电器集团中低压智能配电有限公司 | Intelligent switchgear |
-
2015
- 2015-08-11 CN CN201520605360.4U patent/CN204905738U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107578960A (en) * | 2017-10-19 | 2018-01-12 | 武汉倍诺德开关股份有限公司 | A kind of railway electrification breaker apparatus and its conductive structure |
| CN112701605A (en) * | 2020-12-24 | 2021-04-23 | 四川电器集团中低压智能配电有限公司 | Intelligent switchgear |
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