CN211980496U - Vacuum circuit breaker with heat dissipation pole - Google Patents
Vacuum circuit breaker with heat dissipation pole Download PDFInfo
- Publication number
- CN211980496U CN211980496U CN201922497341.5U CN201922497341U CN211980496U CN 211980496 U CN211980496 U CN 211980496U CN 201922497341 U CN201922497341 U CN 201922497341U CN 211980496 U CN211980496 U CN 211980496U
- Authority
- CN
- China
- Prior art keywords
- contact arm
- utmost point
- point post
- heat dissipation
- circuit breaker
- 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
Links
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 16
- 238000009423 ventilation Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model belongs to the technical field of the high tension switchgear technique and specifically relates to a vacuum circuit breaker with heat dissipation utmost point post, the upper and lower both ends of utmost point post body respectively corresponding connection have last wiring contact arm and lower wiring contact arm, be equipped with quiet contact arm and movable contact arm on the vacuum interrupter, quiet contact arm is connected with last line seat fastening, it is connected with last wiring contact arm to go up the line seat, movable contact arm is connected with the pull rod, the lower extreme and the operating device of operating device incasement of pull rod are connected, the ventilation opening has been seted up to the trailing flank of the operating device case of utmost point post body below, the ventilation opening air inlet is cooled down to this internal spare part of utmost point post. The air exhaust function improves the heat dissipation effect, the heat dissipation efficiency is improved, the structure is simple, and the market demand can be met.
Description
Technical Field
The utility model belongs to the technical field of the high tension switchgear technique and specifically relates to a vacuum circuit breaker with heat dissipation utmost point post.
Background
The vacuum circuit breaker is configured for controlling and protecting high voltage electrical equipment. The high-voltage vacuum circuit breaker is characterized in that a main contact of the high-voltage vacuum circuit breaker is arranged in a closed vacuum chamber, when the contact is switched on and off, electric arcs of the high-voltage vacuum circuit breaker are free of gas combustion supporting and are not burnt out, and the high-voltage vacuum circuit breaker is durable in use.
Vacuum circuit breaker on the existing market is when the working current circulation is great, and vacuum circuit breaker's utmost point post produces great calorific capacity easily in the use, at some specific application places, then can't satisfy operational environment's demand.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: provided is a vacuum circuit breaker having a heat-dissipating terminal.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a vacuum circuit breaker with heat dissipation utmost point post, is including installing the utmost point post body on the operating device case, and utmost point post body includes insulating housing, establishes vacuum interrupter in insulating housing and goes out the line seat on, the upper and lower both ends of utmost point post body respectively corresponding connection have last wiring contact arm and lower wiring contact arm, are equipped with static contact arm and movable contact arm on the vacuum interrupter, and the static contact arm is connected with last line seat fastening, and lower wiring contact arm is connected with the movable contact arm, goes up the line seat and is connected with last wiring contact arm, and the movable contact arm is connected with the pull rod, and the lower extreme of pull rod is connected with the operating device of operating device incasement, and the ventilation opening has been seted up to the trailing flank of the operating device case of utmost point post body below, and ventilation opening air inlet cools down to this internal.
Furthermore, a first radiating fin assembly is arranged on the outer surface of the upper wire outlet seat, and a radiating hole is formed in the upper end of the insulating shell.
Furthermore, the second heat dissipation fin assembly is arranged on the outer surface of the insulating shell, the insulating shell 6 is formed by pouring epoxy resin through an APG process, and therefore the anti-creep vacuum arc extinguishing chamber is particularly resistant to creepage, the structural design greatly reduces the accumulation of dust on the surface of the arc extinguishing chamber, the vacuum arc extinguishing chamber can be prevented from being damaged by external factors, and the high resistance state to voltage effect can be ensured even in a damp-heat and serious pollution environment.
Furthermore, the first radiating fin component is made of the same material as the upper wire outlet base, and the second radiating fin component is made of the same material as the insulating shell.
The utility model has the advantages that: the air exhaust function improves the heat dissipation effect, the heat dissipation efficiency is improved, the structure is simple, and the market demand can be met.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural view of a preferred embodiment of the present invention;
fig. 2 is a schematic structural view of the upper wire outlet seat of the present invention.
In the figure: 1. the terminal post comprises a terminal post body, 2 an operating mechanism box, 4 an upper wiring contact arm, 5 a lower wiring contact arm, 6 an insulating shell, 7 a vacuum arc-extinguishing chamber, 8 a movable contact arm, 9 a pull rod, 10 an upper wire outlet seat, 13 a static contact arm, 14 a ventilation opening, 15 a first radiating fin assembly and 16 a second radiating fin assembly.
Detailed Description
The invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
The vacuum circuit breaker with the heat dissipation pole as shown in fig. 1-2 comprises a pole body 1 installed on an operating mechanism box 2, the pole body 1 comprises an insulating housing 6, a vacuum arc-extinguishing chamber 7 arranged in the insulating housing 6 and an upper wire outlet seat 10, the upper end and the lower end of the pole body 1 are respectively and correspondingly connected with an upper wiring contact arm 4 and a lower wiring contact arm 5, a vacuum arc extinguish chamber 7 is provided with a static contact arm 13 and a movable contact arm 8, the static contact arm 13 is tightly connected with an upper wire outlet seat 10, the lower wiring contact arm 5 is connected with the movable contact arm 8, the upper wire outlet seat 10 is connected with the upper wiring contact arm 4, the movable contact arm 8 is connected with a pull rod 9, the lower end of the pull rod 9 is connected with an operating mechanism in an operating mechanism box 2, a ventilation opening 14 is formed in the rear side face of the operating mechanism box 2 below the pole body 1, and air entering from the ventilation opening 14 cools down parts in the pole body 1.
The outer surface of the upper outlet base 10 is provided with a first radiating fin assembly 15, and the upper end of the insulating shell 6 is provided with a radiating hole.
The outer surface of the insulating shell 6 is provided with the second radiating fin assembly 16, the second radiating fin assembly 16 increases the creepage distance while increasing the radiating effect, and the insulating effect is better.
The first heat dissipation fin assembly 15 is made of the same material as the upper outlet base 10, and the second heat dissipation fin assembly 16 is made of the same material as the insulating housing 6.
After the specific natural air enters the operating mechanism box 2 through the ventilation opening 14, the natural air enters the insulating shell 6 and cools the temperature of each component in the pole from bottom to top, and the hot air in the insulating shell 6 is discharged through the heat dissipation holes to form the air suction effect.
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (4)
1. The utility model provides a vacuum circuit breaker with heat dissipation utmost point post, is including installing utmost point post body (1) on operating device case (2), and utmost point post body (1) includes insulating housing (6), establishes vacuum interrupter (7) in insulating housing (6) and goes up outlet wire seat (10), the upper and lower both ends of utmost point post body (1) respectively corresponding connection have go up the wiring and touch arm (4) and lower wiring and touch arm (5), are equipped with quiet contact arm (13) and movable contact arm (8) on vacuum interrupter (7), quiet contact arm (13) and last outlet wire seat (10) fastening connection, lower wiring touch arm (5) and movable contact arm (8) are connected, go up outlet wire seat (10) and last wiring and touch arm (4) and be connected, movable contact arm (8) are connected with pull rod (9), the lower extreme of pull rod (9) is connected with the operating device in operating device case (2), its characterized in that: the rear side face of the operating mechanism box (2) below the pole column body (1) is provided with a ventilation opening (14), and air is fed into the ventilation opening (14) to cool parts in the pole column body (1).
2. The vacuum circuit breaker with a thermal terminal according to claim 1, wherein: the outer surface of the upper wire outlet seat (10) is provided with a first radiating fin assembly (15), and the upper end of the insulating shell (6) is provided with a radiating hole.
3. The vacuum circuit breaker with a thermal terminal according to claim 1, wherein: and a second heat dissipation fin assembly (16) is arranged on the outer surface of the insulating shell (6).
4. The vacuum circuit breaker with a thermal terminal according to claim 2, wherein: the first radiating fin component (15) is made of the same material as the upper wire outlet seat (10), and the second radiating fin component (16) is made of the same material as the insulating shell (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922497341.5U CN211980496U (en) | 2019-12-31 | 2019-12-31 | Vacuum circuit breaker with heat dissipation pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922497341.5U CN211980496U (en) | 2019-12-31 | 2019-12-31 | Vacuum circuit breaker with heat dissipation pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211980496U true CN211980496U (en) | 2020-11-20 |
Family
ID=73386536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922497341.5U Expired - Fee Related CN211980496U (en) | 2019-12-31 | 2019-12-31 | Vacuum circuit breaker with heat dissipation pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211980496U (en) |
-
2019
- 2019-12-31 CN CN201922497341.5U patent/CN211980496U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |