CN203434504U - Handcart high-voltage switch cabinet of build-in type - Google Patents
Handcart high-voltage switch cabinet of build-in type Download PDFInfo
- Publication number
- CN203434504U CN203434504U CN201320458746.8U CN201320458746U CN203434504U CN 203434504 U CN203434504 U CN 203434504U CN 201320458746 U CN201320458746 U CN 201320458746U CN 203434504 U CN203434504 U CN 203434504U
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- handcart
- cabinet
- switch cabinet
- tension switch
- circuit breaker
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Abstract
The utility model discloses a handcart high-voltage switch cabinet of a build-in type, and the switch cabinet comprises a cabinet body. The interior of the cabinet body is provided with a circuit breaker chamber, a meter chamber, a bus chamber, and a cable chamber. The interior of the circuit breaker chamber is equipped with a handcart and a rotating handle. The handcart is provided with a circuit breaker which is disposed on a chassis. The rotating handle is connected with the handcart through a screw rod. In the high-voltage switch cabinet, the handcart is disposed at the central part of the cabinet body, and is pushed in or pulled out through the rotating handle and the screw rod. The internal structure of the cabinet body is arranged reasonably, thereby enabling the size of the cabinet body to be 2000mm*800mm*2300mm. Compared with the other high-voltage switch cabinets, the size of the high-voltage switch cabinet is greatly reduced, and a comprehensive relay protection device of a microcomputer relay is added for protecting internal electrical equipment, thereby improving safety.
Description
Technical field
The utility model relates to high-tension switch cabinet, is specifically related to a kind of handcart high-voltage switch cabinet of middle.
Background technology
High-tension switch cabinet is usually used in generating, petrochemical industry and metallurgy industry, as conventional switch control cabinet, is widely used in railway electrical system.In railway electrical management system, high-tension switch cabinet can monitor power consumption equipment, control and protection.Existing railway electric power system adopts L-type support as the main body of high-tension switch cabinet, current domestic colleague producer produce novel 27.5kV railway with the circuit breaker of switch cubicle, be underneath type mounting means, the circuit breaker adopting is still old-fashioned circuit breaker mostly; Modified structure only contact changes to some extent, and in breaker structure and cabinet, assembly structure is similar to L-type support mounting means, just on original L-type supporting structure basis, has increased cabinet shell, and its essence there is no too large difference.Use above-mentioned high-tension switch cabinet volume large, and comparatively heavy, assembling process is comparatively complicated, and security performance is poor.
In order to solve above-mentioned deficiency of the prior art, the utility model proposes a kind of new solution.
Utility model content
The purpose of this utility model is to provide a kind of being convenient to and installs, and volume is little, safety high-pressure easy to assembly.
For reaching above-mentioned purpose, the technical scheme that the utility model adopts is: a kind of middle truck high-tension switch cabinet is provided, comprises cabinet, be provided with breaker chamber, control room, bus-bar room and cable vault in cabinet.Described breaker chamber inside is provided with handcart and turning handle, and described handcart is provided with circuit breaker, and circuit breaker is arranged on chassis vehicle; Described turning handle is connected with handcart by screw mandrel.
Preferably, cabinet is of a size of 2000mm * 800mm * 2300mm.
Preferably, in bus-bar room, be provided with fixed contact box, between this fixed contact box and breaker chamber, be provided with the dodge gate of upper and lower Direct Action Type.
Preferably, control room is provided with comprehensive relay protection device for microcomputer.
Preferably, current transformer, lightning arrester, transducer and insulator are installed in cable vault.
Preferably, the displacement of handcart maximum is 440mm.
In sum, the utlity model has following advantage:
Handcart is arranged on the middle part of cabinet, and is controlled its propelling or exited by turning handle and screw mandrel; By cabinet internal structure connection and reasonable arrangement, make it be of a size of 2000mm * 800mm * 2300mm, compare other high-tension switch cabinets; volume greatly reduces; and increased microcomputer relay synthetic protective relaying device, the electric equipment of cabinet inside has been protected, strengthened fail safe.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is that circuit breaker is arranged on the schematic diagram on handcart.
Wherein, 1, cabinet; 2, breaker chamber; 3, control room; 4, bus-bar room; 5, cable vault; 6, handcart; 7, circuit breaker; 8, chassis vehicle; 9, fixed contact box; 10, dodge gate.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
As depicted in figs. 1 and 2, the utility model provides a kind of middle truck high-tension switch cabinet, comprises cabinet 1, is provided with breaker chamber 2, control room 3, bus-bar room 4 and cable vault 5 in cabinet 1.The middle part of breaker chamber 2 is provided with handcart 6, and this handcart 6 is provided with circuit breaker 7, and circuit breaker 7 is single-phase pole structure, and operating mechanism is spring mechanism.Handcart 6 bottoms are provided with chassis vehicle 8, and chassis vehicle 8 is provided with roller, as guiding and positioning action, handcart 6 can be moved in cabinet 1 inside.In order to make operating personnel control handcart, move, on cabinet 1, be provided with turning handle, this turning handle is connected with handcart by screw mandrel.In real process, operating personnel's turning handle, makes screw mandrel rotation, thereby handcart 6 is moved forward and backward.Screw mandrel and turning handle are common transmission mechanism, can rotating torque convert linear thrust to.
5 inside, cable vault are provided with current transformer, lightning arrester, transducer and insulator, and it is as current protection and lightning protection element.Control room 3 is provided with comprehensive relay protection device for microcomputer, and other measure, survey the secondary devices such as instrument and realize the comprehensive automation defencive function of switch cubicle, thereby has greatly improved reliability and the fail safe of power supply.
Further, cabinet 1 is of a size of 2000mm * 800mm * 2300mm.Because cabinet 1 volume reduces, cabinet 1 can be separately or and cabinet be installed in transformer room, also can be loaded in outdoor mobile transformer station.In cabinet 1, be provided with the dodge gate 10 of upper and lower Direct Action Type, when handcart 6 retreats to test position, dodge gate 10 auto-closings of upper and lower Direct Action Type, by handcart 6 and 9 isolation of fixed contact box.Work as rotary screw rod, when pushing away before handcart 6, need to open the dodge gate 10 of upper and lower Direct Action Type, allow the contact of circuit breaker 7 be connected with the contact in fixed contact box 9.Test position as herein described refers to position when handcart 6 and fixed contact box 9 distances are farthest.
Although by reference to the accompanying drawings embodiment of the present utility model is described in detail, should not be construed as the restriction to the protection range of this patent.In the described scope of claims, the various modifications that those skilled in the art can make without creative work and distortion still belong to the protection range of this patent.
Claims (6)
1. a middle truck high-tension switch cabinet, comprise cabinet, in cabinet, be provided with breaker chamber, control room, bus-bar room and cable vault, it is characterized in that: described breaker chamber inside is provided with handcart and turning handle, described handcart is provided with circuit breaker, and circuit breaker is arranged on chassis vehicle; Described turning handle is connected with handcart by screw mandrel.
2. middle truck high-tension switch cabinet as claimed in claim 1, is characterized in that: described cabinet is of a size of 2000mm * 800mm * 2300mm.
3. middle truck high-tension switch cabinet as claimed in claim 1, is characterized in that: in described bus-bar room, be provided with fixed contact box, be provided with the dodge gate of upper and lower Direct Action Type between this fixed contact box and breaker chamber.
4. middle truck high-tension switch cabinet as claimed in claim 1, is characterized in that: described control room is provided with comprehensive relay protection device for microcomputer.
5. middle truck high-tension switch cabinet as claimed in claim 1, is characterized in that: current transformer, lightning arrester, transducer and insulator are installed in described cable vault.
6. middle truck high-tension switch cabinet as claimed in claim 1, is characterized in that: the displacement of described handcart maximum is 440mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320458746.8U CN203434504U (en) | 2013-07-30 | 2013-07-30 | Handcart high-voltage switch cabinet of build-in type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320458746.8U CN203434504U (en) | 2013-07-30 | 2013-07-30 | Handcart high-voltage switch cabinet of build-in type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203434504U true CN203434504U (en) | 2014-02-12 |
Family
ID=50063522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320458746.8U Expired - Fee Related CN203434504U (en) | 2013-07-30 | 2013-07-30 | Handcart high-voltage switch cabinet of build-in type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203434504U (en) |
-
2013
- 2013-07-30 CN CN201320458746.8U patent/CN203434504U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20210730 |