CN202906229U - Miniature fixed-type switch cabinet - Google Patents
Miniature fixed-type switch cabinet Download PDFInfo
- Publication number
- CN202906229U CN202906229U CN 201220583433 CN201220583433U CN202906229U CN 202906229 U CN202906229 U CN 202906229U CN 201220583433 CN201220583433 CN 201220583433 CN 201220583433 U CN201220583433 U CN 201220583433U CN 202906229 U CN202906229 U CN 202906229U
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- CN
- China
- Prior art keywords
- cabinet
- chamber
- fixed switching
- current transformer
- isolating switch
- 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 - Fee Related
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Abstract
The utility model provides a miniature fixed-type switch cabinet. The switch cabinet comprises a cabinet body, wherein separation plates are mounted in the cabinet body; the cabinet body is divided into a plurality of chambers by the separation plates; an isolation switch is mounted on the top of the chamber at the upper end of the cabinet body; a circuit breaker is mounted on the left side of the separation plate of the middle chamber of the cabinet body and connected with the isolation switch; a current transformer is mounted on the right side of the separation plate of the middle chamber and connected with the circuit breaker; a grounding switch is mounted on a right side wall of the chamber at the lower end of the cabinet body and connected with the current transformer. The miniature fixed-type switch cabinet disclosed by the utility model has the advantages of small area occupation, high protection grade, high power-on operation continuity and high reliability.
Description
Technical field
The utility model relates to a kind of miniaturization fixed switching cabinet.
Background technology
There are the problems such as volume is large, degree of protection is low, energising operation continuity is low, mechanical electric poor reliability in existing fixed switching cabinet.Such as XGN2-12 type switch cubicle, volume is excessive, and is unshielded in the cabinet, mechanical interlocking operation panel poor reliability, and when particularly operating the above isolating switch of 1600A, operating physical force is excessive, and moment of torsion is large, the accident that sometimes causes insulator to twist off; Circuit breaker parameters detection difficult, dismounting are all very inconvenient; The cable vault is without pressure release passage.
Existing middle truck cabinet because that plug is slidingly connected is unreliable, causes contact heating, and its structure poor radiation, often because of the overheated accidents such as insulation, blast that cause.
At present, above switch cubicle all can not satisfy electric power system to power supply quality and the more and more higher requirement of reliability, can not satisfy electric power system to the economy of high voltage switchgear, the requirement that reliability is more and more higher.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiency of above-mentioned prior art, and the energising operation continuity that a kind of floor space is little, degree of protection is high, higher, the miniaturization fixed switching cabinet of high reliability are provided.
The main technical schemes that a kind of miniaturization fixed switching cabinet that provides according to the utility model adopts is: comprise cabinet, on the described cabinet dividing plate is installed, described dividing plate is separated into a plurality of chambers with described cabinet, the top of described cabinet upper chamber is equipped with an isolating switch, the left side that is positioned at the dividing plate of described cabinet intermediate cavity is equipped with circuit breaker, described circuit breaker is connected with described isolating switch, the right side of the dividing plate of described intermediate cavity is equipped with current transformer, described current transformer is connected with described circuit breaker, on the right side wall of described cabinet lower end chamber earthed switch is installed, described earthed switch is connected with described current transformer.
The miniaturization fixed switching cabinet that the utility model provides also can have following attached technical characterictic:
Be equipped with the isolating switch with wall bushing on the dividing plate in the described cabinet upper chamber, the main bus bar of described isolating switch passes described wall bushing.
Operating mechanism, permanent magnetic vacuum breaker and the current transformer of the described isolating switch of control and earthed switch are installed in the chamber in the middle of in the described cabinet, and described vacuum circuit-breaker is connected with described isolating switch and current transformer.
Cable cover(ing) and cable clip are installed on the base plate of described cabinet, and external cable passes described cable cover(ing) and is clamped on the described cable clip.
In the chamber of described cabinet lower end lightning arrester is installed.
Be provided with pressure release passage on the described cabinet, each chamber rear of described cabinet back upper place and upper, middle and lower all is equipped with pressure relief device, the pressure relief device of described cabinet back upper place links to each other described pressure release passage with described cabinet, the pressure relief device at described each chamber rear separates described each chamber and described pressure release passage.
Be provided with the control room on the described cabinet, in the described control room control module be set.
The beneficial effect that the miniaturization fixed switching cabinet that adopts the utility model to provide brings is: the utility model integral layout is more reasonable, so that a major loop reaches the shortest, reduce loop resistance, effectively reduced pyrotoxin, ensured the realization of miniaturization switch cubicle; The utility model also has safe and reliable pressure relief device, the energising operation continuity that floor space is little, degree of protection is high, higher, the characteristics of high reliability.
Description of drawings
Fig. 1 is front view of the present utility model.
Fig. 2 is the structure chart that operating mechanism has been installed in the utility model.
Fig. 3 is end view of the present utility model.
Fig. 4 is major loop figure of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed description:
As shown in Figures 1 to 4, the embodiment of a kind of miniaturization fixed switching cabinet that provides according to the utility model, comprise cabinet 1, on the described cabinet 1 dividing plate 2 is installed, described dividing plate 2 is separated into a plurality of chambers with described cabinet 1, the top of described cabinet 1 upper chamber is equipped with an isolating switch 3, the left side that is positioned at the dividing plate 2 of described cabinet 1 intermediate cavity is equipped with circuit breaker 4, described circuit breaker 4 is connected with described isolating switch 3, the right side of the dividing plate 2 of described intermediate cavity is equipped with current transformer 5, described current transformer 5 is connected with described circuit breaker 4, on the right side wall of described cabinet 1 lower end chamber earthed switch 6 is installed, described earthed switch 6 is connected with described current transformer 5.The utility model integral layout is more reasonable, so that a major loop reaches the shortest, has reduced loop resistance, has effectively reduced pyrotoxin, has ensured the temperature rise requirement of miniaturization switch cubicle, has realized miniaturization.
Referring to Fig. 1 to Fig. 3, according to the miniaturization fixed switching cabinet that the utility model provides, be equipped with wall bushing 7 on described cabinet 1 rear wall, the fixed contact of described isolating switch 3 main bus bar 31 of holding concurrently passes described wall bushing 7.When the fixed contact of isolating switch 3 is held concurrently main bus bar 31 perforation switch cubicle, with wall bushing 7 adjacent switch cubicle is separated, effectively Accident prevention enlarges, and improves simultaneously the mechanical strength of main bus bar.
Referring to Fig. 1 to Fig. 3, the miniaturization fixed switching cabinet that provides according to the utility model, the forward right side of the dividing plate 2 in described cabinet 1 intermediate cavity is equipped with the operating mechanism 8 of the described isolating switch 3 of control and earthed switch 6, be provided with mechanical type interlock simulation board 81, can demonstrate accurately and easily isolating switch, circuit breaker, the actual working state of the primary equipments such as earthed switch.Permanent magnetic vacuum breaker 4 is equipped with in described cabinet 1 intermediate cavity left side, arc control device 41 and the operating mechanism 42 of described circuit breaker 4 are arranged up and down, effectively reduce transmission link, improve the reliability of switch, make simultaneously the width of switch reduce to Min., for the miniaturization of switch cubicle is laid a good foundation; Really accomplish simultaneously non-maintaining.
Referring to Fig. 1 to Fig. 3, the miniaturization fixed switching cabinet that provides according to the utility model, cable cover(ing) 9 and cable clip 10 are installed on the base plate of described cabinet 1, and external cable passes described cable cover(ing) 9 and is clamped on the described cable clip 10, in the chamber of described cabinet 1 lower end lightning arrester 11 is installed.
Referring to Fig. 3, according to the miniaturization fixed switching cabinet that the utility model provides, be provided with pressure release passage 12 on the described cabinet 1, described cabinet 1 back upper place is equipped with pressure relief device 13, and described pressure relief device 13 is connected described cabinet 1 with described pressure release passage 13.Each chamber rear, described cabinet upper, middle and lower all is equipped with pressure relief device, and the pressure relief device at described each chamber rear separates described each chamber and described pressure release passage.When arbitrary high-pressure chamber breaks down in the cabinet, follow the generation of electric arc, this chamber pressure raises, be loaded on the pressure relief device action at this chamber rear, the earth pressure release version is opened automatically, pressure is disposed to pressure release passage, this moment, the pressure relief device of cabinet back upper place moved, pressure releasing plate is opened automatically, reliable release pressure and drainage gas, and the pressure relief device of the chamber that does not break down can not move, and has effectively avoided the harm to non-fault chamber, guarantees operations staff's safety.
Referring to Fig. 3, according to the miniaturization fixed switching cabinet that the utility model provides, be provided with control room 14 on the described cabinet 1, the described control room 14 interior control modules that arrange.For observing more intuitively the actual motion state of isolating switch, special dividing plate in control room and main bus bar chamber arranges observation window, opens the fracture state that control room's door can be observed isolating switch easily.
The structure of switch cubicle and operation principle are technology well known in the art, and the miniaturization fixed switching cabinet that the utility model provides only relates to said structure, other parts are not changed.Therefore this specification only describes in detail said structure, miscellaneous part and the operation principle of miniaturization fixed switching cabinet repeated no more here.Those skilled in the art can realize miniaturization fixed switching cabinet described in the utility model on the content basis that this specification is described.
Claims (7)
1. miniaturization fixed switching cabinet, comprise cabinet, on the described cabinet dividing plate is installed, described dividing plate is separated into a plurality of chambers with described cabinet, it is characterized in that: the top of described cabinet upper chamber is equipped with an isolating switch, the left side that is positioned at the dividing plate of described cabinet intermediate cavity is equipped with circuit breaker, described circuit breaker is connected with described isolating switch, the right side of the dividing plate of described intermediate cavity is equipped with current transformer, described current transformer is connected with described circuit breaker, on the right side wall of described cabinet lower end chamber earthed switch is installed, described earthed switch is connected with described current transformer.
2. miniaturization fixed switching cabinet according to claim 1 is characterized in that: be equipped with the isolating switch with wall bushing on the dividing plate in the described cabinet upper chamber, the main bus bar of described isolating switch passes described wall bushing.
3. miniaturization fixed switching cabinet according to claim 1, it is characterized in that: operating mechanism, permanent magnetic vacuum breaker and the current transformer of the described isolating switch of control and earthed switch are installed in the chamber in the middle of in the described cabinet, and described vacuum circuit-breaker is connected with described isolating switch and current transformer.
4. miniaturization fixed switching cabinet according to claim 1, it is characterized in that: cable cover(ing) and cable clip are installed on the base plate of described cabinet, and external cable passes described cable cover(ing) and is clamped on the described cable clip.
5. miniaturization fixed switching cabinet according to claim 1 is characterized in that: in the chamber of described cabinet lower end lightning arrester is installed.
6. miniaturization fixed switching cabinet according to claim 1, it is characterized in that: be provided with pressure release passage on the described cabinet, each chamber rear of described cabinet back upper place and upper, middle and lower all is equipped with pressure relief device, the pressure relief device of described cabinet back upper place links to each other described pressure release passage with described cabinet, the pressure relief device at described each chamber rear separates described each chamber and described pressure release passage.
7. miniaturization fixed switching cabinet according to claim 1 is characterized in that: be provided with the control room on the described cabinet, in the described control room control module be set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220583433 CN202906229U (en) | 2012-11-07 | 2012-11-07 | Miniature fixed-type switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220583433 CN202906229U (en) | 2012-11-07 | 2012-11-07 | Miniature fixed-type switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202906229U true CN202906229U (en) | 2013-04-24 |
Family
ID=48126855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220583433 Expired - Fee Related CN202906229U (en) | 2012-11-07 | 2012-11-07 | Miniature fixed-type switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202906229U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916352A (en) * | 2012-11-07 | 2013-02-06 | 北京科锐配电自动化股份有限公司 | Miniaturized fixed type switch cabinet |
| CN104037624A (en) * | 2013-09-12 | 2014-09-10 | 袁茂银 | Switch cabinet body |
| CN106329377A (en) * | 2016-10-31 | 2017-01-11 | 江苏天港箱柜有限公司 | Compact switch cabinet |
-
2012
- 2012-11-07 CN CN 201220583433 patent/CN202906229U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916352A (en) * | 2012-11-07 | 2013-02-06 | 北京科锐配电自动化股份有限公司 | Miniaturized fixed type switch cabinet |
| CN104037624A (en) * | 2013-09-12 | 2014-09-10 | 袁茂银 | Switch cabinet body |
| CN104037624B (en) * | 2013-09-12 | 2016-05-11 | 袁茂银 | A kind of switch cabinet body |
| CN106329377A (en) * | 2016-10-31 | 2017-01-11 | 江苏天港箱柜有限公司 | Compact switch cabinet |
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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: 20130424 Termination date: 20191107 |