CN201438606U - Switchgear - Google Patents
Switchgear Download PDFInfo
- Publication number
- CN201438606U CN201438606U CN2009203027706U CN200920302770U CN201438606U CN 201438606 U CN201438606 U CN 201438606U CN 2009203027706 U CN2009203027706 U CN 2009203027706U CN 200920302770 U CN200920302770 U CN 200920302770U CN 201438606 U CN201438606 U CN 201438606U
- Authority
- CN
- China
- Prior art keywords
- conductor
- electric
- breaker
- pole
- switch cubicle
- 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
Links
Images
Landscapes
- Thermally Actuated Switches (AREA)
Abstract
The embodiment of the utility model relates to a switchgear, which comprises a vacuum breaker, wherein, the vacuum breaker comprises at least one sealed post terminal, the sealed post terminal comprises a casing, and an air passage communicated with the interior space of the casing and the outside is longtudinally arranged on the casing, therefore, the heat quantity produced by a heavy-current passing through each element of a conductive circuit can be spilled out in the convective manner through the air passage, and the element temperature rise of the conductive circuit is controlled not to exceed the accepted value. The switchgear meets the national standard requirement, ensures the safe and reliable operation of the vacuum circuit breaker, and further ensures the safety of power system.
Description
Technical field
The utility model relates to a kind of switch cubicle.
Background technology
In electric power system, the vacuum circuit-breaker in the switch cubicle is widely used as power distribution equipment, and especially the pole type vacuum circuit breaker is paid attention to by the user especially.In existing rated current is in the pole type vacuum circuit breaker of 3150A, because between the locular wall of its vacuum interrupter and the housing of pole, each element of conducting channel (as above electric conductor, fixed contact, moving contact, hat type is flexible coupling, following electric conductor etc.) all wrapped up between by epoxy resin, the heat that produces when electric current is by conducting channel is greatly intercepted by epoxy resin layer, be difficult to shed, and when being used for the fan failure of forced air cooling, can cause temperature rise too high, jeopardize the vacuum circuit-breaker safe operation, cause electric network fault, and can not satisfy the concerned countries standard-required, hindered this type product and developed, can not satisfy the power consumer demand to high parameter.
The utility model content
The utility model embodiment technical problem to be solved is, a kind of switch cubicle is provided, can make the heat that produces during by each element of conducting channel wherein at big electric current be able to shed with convection type by the air channel, thereby the element temperature rise of conducting channel is controlled in the permissible value, satisfied the national standard requirement, guarantee the vacuum circuit-breaker safe and reliable operation, further guaranteed power grid security.
For solving the problems of the technologies described above, the utility model embodiment adopts following technical scheme:
A kind of switch cubicle comprises vacuum circuit-breaker, and described vacuum circuit-breaker comprises at least one pole, and described pole comprises housing, is vertically arranged with on the described housing to be communicated with described enclosure interior space and extraneous air channel.
The beneficial effect of the utility model embodiment is:
By a kind of switch cubicle is provided, can make the heat that produces during by each element of conducting channel wherein at big electric current be able to shed with convection type by the air channel, thereby the element temperature rise of conducting channel is controlled in the permissible value, satisfied the national standard requirement, guarantee the vacuum circuit-breaker safe and reliable operation, further guaranteed power grid security.
Below in conjunction with accompanying drawing the utility model embodiment is described in further detail.
Description of drawings
Fig. 1 is a profile of the vacuum circuit-breaker in the switch cubicle of the utility model embodiment;
Fig. 2 is another profile of the pole in the vacuum circuit-breaker in the switch cubicle of the utility model embodiment.
Embodiment
The switch cubicle of the utility model embodiment comprises vacuum circuit-breaker, vacuum circuit-breaker comprises at least one pole, described pole mainly comprises housing, and be vertically arranged with on the described housing and be communicated with described enclosure interior space and extraneous air channel, can make the heat that produces during by each element of conducting channel wherein at big electric current be able to shed with convection type by the air channel, thereby the element temperature rise of conducting channel is controlled in the permissible value, satisfied the national standard requirement, guarantee the vacuum circuit-breaker safe and reliable operation, further guaranteed power grid security.
Fig. 1 is a profile of the vacuum circuit-breaker in the switch cubicle of the utility model embodiment, the A of Fig. 1 is another profile of the pole in the vacuum circuit-breaker in the switch cubicle of the utility model embodiment of Fig. 2 to view, with reference to this Fig. 1, Fig. 2, this switch cubicle comprises vacuum circuit-breaker, the rated current of this vacuum circuit-breaker is 3150A, vacuum circuit-breaker mainly comprises at least one pole and operating mechanism 8, centre-to-centre spacing between the pole can be 230mm, and pole mainly comprises housing 1, be vertically arranged with on the housing 1 and be communicated with housing 1 inner space and extraneous air channel 9, the outer wall of housing 1 outwards protrudes and is symmetrical arranged two fins 10 longitudinally, an air channel 9 is set in every fin 10, the top end face of fin 10 is located in air channel 9 outlets, and also be provided with electric-conductor 3 among the pole, following electric-conductor 4, vacuum interrupter 2, last electric-conductor 3, following electric-conductor 4, the locular wall of vacuum interrupter 2 is injection molded into one with epoxy resin, housing 1 links to each other with the epoxy resin injection moulding with the locular wall of vacuum interrupter 2, pole also comprises fixed contact (unmarked among the figure), moving contact 7, pull bar 6, fixed contact is arranged on the electric-conductor 3, moving contact 7 is flexible coupling by hat type and 5 links to each other with last electric-conductor 3, pull bar 6 one ends link to each other with moving contact 7, and the other end links to each other with operating mechanism 8;
This pole can be realized the conducting of conducting channel and open circuit in vacuum interrupter 2, when fixed contact contacts with moving contact 7, form the path of conducting channel, electric current flow to the moving contact 7 of vacuum interrupter 2 from last electric-conductor 3 by fixed contact, is flexible coupling 5 and electric-conductor 4 down to hat type again; And when wanting open circuit, only need pulling pull bar 6, make fixed contact separate and get final product with moving contact 7;
When the vacuum circuit-breaker that pole is suitable for moves, conducting channel produces heat because big electric current is flowed through, hot-air rises in the pole, and the outer cold air of pole will flow into additional, and 9 flow direction is as shown by arrows along the air channel for its air, thereby form " stack effect ", heat is able to convection type and sheds, thereby the element temperature rise of conducting channel is controlled in the permissible value, has satisfied the national standard requirement, guarantee the vacuum circuit-breaker safe and reliable operation, further guaranteed power grid security.
The locular wall of electric-conductor 3, following electric-conductor 4, vacuum interrupter 2 is with epoxy resin injection moulding all-in-one-piece pole in the employing, can reduce parts, simplified structure, effectively reduced the volume of pole, reduce the centre-to-centre spacing between the pole greatly, thereby in the time of in vacuum circuit-breaker is packed high-tension switch cabinet into, the high-tension switch cabinet width is reduced, realize the high-tension switch cabinet miniaturization;
Adopt housing 1 to link to each other with the epoxy resin injection moulding with the locular wall of vacuum interrupter 2; the Mechanical Reliability height; simultaneously can protect vacuum interrupter 2 to avoid external force collision; anti-environment filth aspect electric property, condensation ability are strong; during current lead-through; electric current is long along the outer surface creepage distance of insulation of pole, has improved insulation level.
The above is an embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection range of the present utility model.
Claims (6)
1. a switch cubicle comprises vacuum circuit-breaker, and described vacuum circuit-breaker comprises at least one pole, and described pole comprises housing, it is characterized in that, is vertically arranged with on the described housing to be communicated with described enclosure interior space and extraneous air channel.
2. switch cubicle as claimed in claim 1 is characterized in that, the outer wall of described housing outwards protrudes and is symmetrical arranged two fins longitudinally, and an air channel is set in every fin, and ducting outlet is located at the top end face of fin.
3. switch cubicle as claimed in claim 1 is characterized in that, also is provided with electric-conductor, following electric-conductor, vacuum interrupter among the described pole, and described upward electric-conductor, the described locular wall of electric-conductor, described vacuum interrupter down are injection molded into one.
4. switch cubicle as claimed in claim 3 is characterized in that, described housing links to each other with the locular wall injection moulding of described vacuum interrupter.
5. switch cubicle as claimed in claim 3, it is characterized in that, described vacuum circuit-breaker also comprises operating mechanism, described pole also comprises fixed contact, moving contact, pull bar, described fixed contact is arranged at described going up on the electric-conductor, described moving contact is flexible coupling by hat type and links to each other with the described electric-conductor of going up, and described pull bar one end links to each other with described moving contact, and the other end links to each other with described operating mechanism.
6. as claim 3 or 4 described switch cubicles, it is characterized in that described injected plastics material adopts epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203027706U CN201438606U (en) | 2009-04-30 | 2009-04-30 | Switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203027706U CN201438606U (en) | 2009-04-30 | 2009-04-30 | Switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201438606U true CN201438606U (en) | 2010-04-14 |
Family
ID=42400575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203027706U Expired - Lifetime CN201438606U (en) | 2009-04-30 | 2009-04-30 | Switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201438606U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166132A (en) * | 2011-12-19 | 2013-06-19 | 施耐德电器工业公司 | Ventilation device for an electric disconnection apparatus |
| CN113991489A (en) * | 2021-11-15 | 2022-01-28 | 平高集团有限公司 | Switch cabinet |
-
2009
- 2009-04-30 CN CN2009203027706U patent/CN201438606U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166132A (en) * | 2011-12-19 | 2013-06-19 | 施耐德电器工业公司 | Ventilation device for an electric disconnection apparatus |
| CN103166132B (en) * | 2011-12-19 | 2018-03-27 | 施耐德电器工业公司 | The ventilation unit of electric off device |
| CN113991489A (en) * | 2021-11-15 | 2022-01-28 | 平高集团有限公司 | Switch cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201490078U (en) | Conductor components of encapsulated pole units and medium-voltage circuit interrupter comprising components | |
| CN203966948U (en) | A kind of three station isolation grounding switchs | |
| JP2011138778A (en) | Vacuum circuit breaker | |
| CN101409175B (en) | Combined high-voltage load switch and high-voltage switchgear thereof | |
| CN201438606U (en) | Switchgear | |
| CN201438438U (en) | Vacuum circuit breaker | |
| CN203312144U (en) | Ultra-short-type solid encapsulation pole column | |
| CN202373514U (en) | Intelligent power-saving high-voltage vacuum circuit breaker | |
| CN203300573U (en) | Multi-breakpoint plastic shell circuit breaker | |
| CN103733294B (en) | There is the circuit breaker of the vent passages for efficiently radiates heat | |
| CN202696036U (en) | Contact box device of switch device | |
| CN201498426U (en) | sealed pole | |
| CN207124409U (en) | A kind of side bus extends Cubicle Gas-Insulated Switchgear | |
| CN203134666U (en) | Solid-sealed polar pole and solid insulation ring main unit | |
| CN203312147U (en) | Vacuum circuit breaker | |
| CN103021755A (en) | Molded case circuit breaker with short flashover device and high arc extinction effect | |
| CN103117189A (en) | Solid encapsulated pole and solid insulated ring network cabinet | |
| CN205789779U (en) | Breaker of plastic casing | |
| CN202495388U (en) | Solid sealed pole for indoor vacuum circuit breaker | |
| CN104064962B (en) | Modularization high-pressure metal sealing switch equipment contact box | |
| CN205487920U (en) | Insulation system for vacuum circuit breaker | |
| CN204558349U (en) | A kind of Combined-type insulating part for vacuum circuit-breaker | |
| CN202495389U (en) | Assembly-type breaker pole part | |
| CN201084633Y (en) | A solid-sealed pole | |
| CN217281849U (en) | High-voltage alternating-current metal-enclosed switchgear |
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: 20100414 |