CN213691868U - Indoor vacuum circuit breaker - Google Patents
Indoor vacuum circuit breaker Download PDFInfo
- Publication number
- CN213691868U CN213691868U CN202023174833.XU CN202023174833U CN213691868U CN 213691868 U CN213691868 U CN 213691868U CN 202023174833 U CN202023174833 U CN 202023174833U CN 213691868 U CN213691868 U CN 213691868U
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- insulating cylinder
- circuit breaker
- vacuum circuit
- cover
- shell
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Abstract
The utility model discloses an indoor vacuum circuit breaker, including operating shell, thermal-arrest cover, vacuum interrupter and insulating cylinder, the one end at operating shell top evenly is fixed with the insulating cylinder, and the inside top of insulating cylinder all is provided with vacuum interrupter, vacuum interrupter's bottom all is provided with contact spring, and contact spring's bottom all is provided with insulating pull rod, the top of insulating cylinder one side all is provided with the seat of being qualified for the next round of competitions, and the bottom of insulating cylinder one side all is provided with down the room of being qualified for the next round of competitions, one side that insulating cylinder was kept away from to operating shell is provided with the access cover. The utility model discloses an install operating shell, insulating cylinder, thermal-arrest cover, heat radiation fins, ventilation hole and fan do benefit to in the heat that produces at the in-process of this vacuum circuit breaker work adsorbs and transmits the thermal-arrest cover, and the fan operation produces suction simultaneously, takes steam outside out, improves ventilation cooling's effect.
Description
Technical Field
The utility model relates to a vacuum circuit breaker technical field specifically is an indoor vacuum circuit breaker.
Background
The indoor vacuum circuit breaker has the advantages of small volume, light weight and the like, is relatively popularized in power distribution networks, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, and is mostly simple in structure and single in function, and particularly has the following problems;
1. the existing indoor vacuum circuit breaker is easy to generate heat when working, and is easy to generate potential safety hazard if the heat cannot be dissipated in time;
2. most of the existing indoor vacuum circuit breakers are not convenient to overhaul and maintain, and the connection between an access cover and an operating shell is not tight enough;
3. the existing indoor vacuum circuit breaker is easy to generate vibration with larger amplitude in the moving and working processes and has poorer stability.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an indoor vacuum circuit breaker to the heat dissipation that proposes in solving above-mentioned background art is not good, is unfavorable for overhauing and the not good problem of stability.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an indoor vacuum circuit breaker, includes operating shell, thermal-arrest cover, vacuum interrupter and insulating cylinder, the one end at operating shell top evenly is fixed with the insulating cylinder, and the inside top of insulating cylinder all is provided with vacuum interrupter, vacuum interrupter's bottom all is provided with contact spring, and contact spring's bottom all is provided with insulating pull rod, the top of insulating cylinder one side all is provided with the seat of being qualified for the next round of competitions, and the bottom of insulating cylinder one side all is provided with down the room of being qualified for the next round of competitions, one side that the insulating cylinder was kept away from to the operating shell is provided with the access cover.
Preferably, the maintenance cover is uniformly provided with mounting holes, the operation shell is uniformly provided with screw holes matched with the mounting holes, and the mounting holes and the screw holes are locked and fixed through fixing bolts, so that the vacuum circuit breaker is convenient to maintain and overhaul.
Preferably, four corners of operation shell bottom all are provided with the removal support, and the inside of removing the support evenly is provided with the moving part through rigid spring, the top of moving part all with the bottom fixed connection of operation shell, improve stability.
Preferably, the top cover of operating shell is equipped with the heat collection cover, and the lateral wall evenly distributed of heat collection cover has the ventilation hole, the top of heat collection cover evenly is provided with the fan, does benefit to the heat dissipation.
Preferably, the top end of the insulating cylinder is uniformly distributed with heat dissipation fins, and the heat dissipation fins are made of copper alloy materials with high heat conductivity coefficient, so that heat conduction is facilitated.
Preferably, the maintenance covers on both sides of the mounting hole are both provided with a fixture block, one side of the operation shell close to the maintenance cover is uniformly provided with a clamping groove matched with the fixture block, the maintenance covers on both sides of the fixture block are both provided with a sealing gasket, and the sealing gasket is made of rubber materials, so that the sealing performance is improved.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) this indoor vacuum circuit breaker is through installing operating shell, insulating cylinder, heat collecting cover, heat radiation fins, ventilation hole and fan, and the top evenly distributed of insulating cylinder has the heat radiation fins of copper alloy material, does benefit to in the heat absorption that produces at this vacuum circuit breaker work in-process and transmits the heat collecting cover, and the fan operation produces suction simultaneously, takes hot gas out the outside, and the while has the ventilation hole at the lateral wall evenly distributed of heat collecting cover, further increases the steam circulation, improves ventilation radiating effect.
(2) This indoor vacuum circuit breaker is through installing the access cover, the mounting hole, fixture block and seal gasket, evenly distributed has the screw that matches with the mounting hole on the operating shell, through fixed bolt connection fixed screw and mounting hole, do benefit to the installation and the dismantlement of access cover, be convenient for this vacuum circuit breaker's inside maintenance and maintenance, during the connection simultaneously, the fixture block that the access was covered inserts the draw-in groove of reserving on the operating shell, the both sides of fixture block all are provided with seal gasket, improve the compactness when connecting, avoid steam or dust infiltration inside.
(3) This indoor vacuum circuit breaker all is provided with the removal support through four corners in the operation shell bottom, and the inside of removing the support is even to be provided with the moving part through stiff spring, the top of moving part all with the bottom fixed connection who removes the support, and the shaking force that produces makes operation shell bottom push down the moving part at the in-process that this vacuum circuit breaker removed and work for the moving part extrudes stiff spring in removing the support, and the elastic stretch out and draw back through stiff spring absorbs and disperses the shaking force, improves stability.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
fig. 2 is a schematic side view of the cross-sectional structure of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure of the access cover of the present invention;
fig. 4 is a schematic view of the sectional structure of the movable support of the present invention.
In the figure: 1. moving the support; 2. an access cover; 3. an operating shell; 4. a fan; 5. a heat collection cover; 6. an upper wire outlet seat; 7. a vacuum arc-extinguishing chamber; 8. an insulating cylinder; 9. a lower outlet chamber; 10. a contact spring; 11. an insulating pull rod; 12. a vent hole; 13. heat dissipation fins; 14. mounting holes; 15. a clamping block; 16. sealing gaskets; 17. a movable member; 18. a stiff spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: an indoor vacuum circuit breaker comprises an operating shell 3, a heat collection cover 5, a vacuum arc extinguish chamber 7 and an insulating cylinder 8, wherein the insulating cylinder 8 is uniformly fixed at one end of the top of the operating shell 3, the vacuum arc extinguish chamber 7 is arranged at the top end of the inside of the insulating cylinder 8, a contact spring 10 is arranged at the bottom of the vacuum arc extinguish chamber 7, an insulating pull rod 11 is arranged at the bottom end of the contact spring 10, an upper wire outlet seat 6 is arranged at the top end of one side of the insulating cylinder 8, a lower wire outlet chamber 9 is arranged at the bottom end of one side of the insulating cylinder 8, heat dissipation fins 13 are uniformly distributed at the top end of the insulating cylinder 8, the heat dissipation fins 13 are all made of copper alloy materials with high heat conductivity, the heat collection cover 5 is arranged at the top end of the operating shell 3, vent holes 12 are uniformly distributed on the side;
heat generated in the working process of the vacuum circuit breaker is absorbed by the radiating fins 13 and transferred into the heat collecting cover 5, meanwhile, the fan 4 operates to generate suction force to draw hot air out of the heat collecting cover 5, and meanwhile, the side wall of the heat collecting cover 5 is uniformly provided with the vent holes 12, so that hot air circulation is further increased, and the ventilation and heat dissipation effects are improved;
an access cover 2 is arranged on one side of the operation shell 3, which is far away from the insulating cylinder 8, mounting holes 14 are uniformly distributed on the access cover 2, screw holes matched with the mounting holes 14 are uniformly arranged on the operation shell 3, and the mounting holes 14 and the screw holes are locked and fixed through fixing bolts, so that the installation and the disassembly of the access cover 2 are facilitated, and the internal maintenance and the overhaul of the vacuum circuit breaker are facilitated;
the access covers 2 on two sides of the mounting hole 14 are respectively provided with a fixture block 15, one side of the operation shell 3 close to the access cover 2 is uniformly provided with a clamping groove matched with the fixture block 15, the access covers 2 on two sides of the fixture block 15 are respectively provided with a sealing gasket 16, and the sealing gaskets 16 are all made of rubber;
when the access cover 2 and the operation shell 3 are installed and connected, a clamping block 15 on the access cover 2 is inserted into a clamping groove reserved on the operation shell 3, sealing gaskets 16 are arranged on two sides of the clamping block 15, the tightness during connection is improved, and water vapor or dust is prevented from permeating into the operation shell 3;
four corners of the bottom of the operation shell 3 are respectively provided with a movable support 1, movable pieces 17 are uniformly arranged in the movable support 1 through rigid springs 18, and the top ends of the movable pieces 17 are fixedly connected with the bottom of the operation shell 3;
the vibration force generated in the moving and working process of the vacuum circuit breaker causes the bottom of the operating shell 3 to press the movable part 17 downwards, so that the movable part 17 extrudes the rigid spring 18 in the moving support 1, and the vibration force is absorbed and dispersed by the elastic expansion of the rigid spring 18, thereby improving the stability.
The working principle is as follows: when in use, the vacuum circuit breaker is moved to a use area through the movable support 1, the vibration force generated in the moving and working processes of the vacuum circuit breaker causes the bottom of the operation shell 3 to press the movable part 17 downwards, so that the movable part 17 extrudes the rigid spring 18 in the movable support 1, the vibration force is absorbed and dispersed through the elastic expansion of the rigid spring 18, the stability is improved, the heat radiating fins 13 made of copper alloy materials are uniformly distributed at the top of the insulating cylinder 8, the heat generated in the working process of the vacuum circuit breaker is favorably absorbed and transferred into the heat collecting cover 5, meanwhile, the fan 4 operates to generate suction to draw hot air out of the outside, meanwhile, the vent holes 12 are uniformly distributed on the side wall of the heat collecting cover 5, the hot air circulation is further increased, the ventilation and heat dissipation effects are improved, in addition, the installation holes 14 are uniformly arranged on the access cover 2, and screw holes matched with the installation holes 14 are uniformly distributed on, fixing screw holes and mounting holes 14 are connected through fixing bolts, so that the installation and the disassembly of the access cover 2 are facilitated, the internal maintenance and the maintenance of the vacuum circuit breaker are facilitated, the clamping block 15 on the access cover 2 is inserted into a clamping groove reserved on the operation shell 3 during connection, sealing gaskets 16 are arranged on two sides of the clamping block 15, the tightness during connection is improved, and water vapor or dust is prevented from permeating into the inside of the operation shell 3.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides an indoor vacuum circuit breaker, includes operating shell (3), thermal-arrest cover (5), vacuum interrupter (7) and insulating cylinder (8), its characterized in that: the one end at operation shell (3) top evenly is fixed with insulating cylinder (8), and the inside top of insulating cylinder (8) all is provided with vacuum interrupter (7), the bottom of vacuum interrupter (7) all is provided with contact spring (10), and the bottom of contact spring (10) all is provided with insulating pull rod (11), the top of insulating cylinder (8) one side all is provided with outlet socket (6), and the bottom of insulating cylinder (8) one side all is provided with down outlet chamber (9), one side that insulating cylinder (8) was kept away from in operation shell (3) is provided with access cover (2).
2. An indoor vacuum circuit breaker according to claim 1 wherein: mounting holes (14) are uniformly distributed in the access cover (2), screw holes matched with the mounting holes (14) are uniformly formed in the operation shell (3), and the mounting holes (14) and the screw holes are locked and fixed through fixing bolts.
3. An indoor vacuum circuit breaker according to claim 1 wherein: four corners of operation shell (3) bottom all are provided with movable support (1), and the inside of movable support (1) evenly is provided with moving part (17) through rigid spring (18), the top of moving part (17) all with the bottom fixed connection of operation shell (3).
4. An indoor vacuum circuit breaker according to claim 1 wherein: the heat collecting cover (5) is arranged at the top end of the operating shell (3) in a covering mode, vent holes (12) are evenly distributed in the side wall of the heat collecting cover (5), and fans (4) are evenly arranged at the top end of the heat collecting cover (5).
5. An indoor vacuum circuit breaker according to claim 1 wherein: the top end of the insulating cylinder (8) is uniformly distributed with radiating fins (13), and the radiating fins (13) are all made of copper alloy materials with high heat conductivity coefficient.
6. An indoor vacuum circuit breaker according to claim 2 wherein: the maintenance cover (2) on the two sides of the mounting hole (14) is provided with clamping blocks (15), one side, close to the maintenance cover (2), of the operation shell (3) is evenly provided with clamping grooves matched with the clamping blocks (15), the maintenance cover (2) on the two sides of the clamping blocks (15) is provided with sealing gaskets (16), and the sealing gaskets (16) are made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023174833.XU CN213691868U (en) | 2020-12-25 | 2020-12-25 | Indoor vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023174833.XU CN213691868U (en) | 2020-12-25 | 2020-12-25 | Indoor vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213691868U true CN213691868U (en) | 2021-07-13 |
Family
ID=76739932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023174833.XU Active CN213691868U (en) | 2020-12-25 | 2020-12-25 | Indoor vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213691868U (en) |
-
2020
- 2020-12-25 CN CN202023174833.XU patent/CN213691868U/en active Active
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