CN104752094A - Heat dissipating rack for solid-sealed polar pole - Google Patents
Heat dissipating rack for solid-sealed polar pole Download PDFInfo
- Publication number
- CN104752094A CN104752094A CN201410353991.1A CN201410353991A CN104752094A CN 104752094 A CN104752094 A CN 104752094A CN 201410353991 A CN201410353991 A CN 201410353991A CN 104752094 A CN104752094 A CN 104752094A
- Authority
- CN
- China
- Prior art keywords
- heat dissipating
- fin
- solid
- polar pole
- sealed polar
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
- H01H2009/526—Cooling of switch parts of the high voltage switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/6606—Terminal arrangements
- H01H2033/6613—Cooling arrangements directly associated with the terminal arrangements
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to switch equipment parts in power systems, particularly to a heat dissipating rack for a solid-sealed polar pole. The heat dissipating rack for the solid-sealed polar pole comprises a heat dissipating rack body. The heat dissipating rack body comprises a bottom plate in a door-shaped structure and heat dissipating fins arranged on the bottom plate, wherein the heat dissipating fins are composed of bar-shape-structured heat dissipating fins and wave-shape-structured heat dissipating fins; the back surface of the bottom plate is provided with a connecting seat connected with the solid-sealed polar pole; the connecting seat is provided with a threaded hole; the four corners of the bottom plate are provided with sealing members. The heat dissipating rack for the solid-sealed polar pole is simple in structure and reasonable in design, obtains good thermal conductivity and can cool cathode spots and reduce metal vapor concentration, thereby ensuring normal on and off of a vacuum arc-extinguishing chamber.
Description
Technical field
The present invention relates to the switchgear spare and accessory parts in electric power system, especially a kind of heat radiation rack on pole.
Background technology
Vacuum interrupter is also vacuum switch tube or vacuum bubbles, is the core devices of vacuum circuit-breaker (switch), is loaded in pole.It is with a pair sealing electrode in a vacuum (contact) and other part, the insulation excellent by vacuum and blow-out performance, closing or disjunction of realizing circuit, can rapidly blow-out restrain the vacuum device of electric current after cutting off the electricity supply.
Vacuum interrupter is in the process of drop-out current, and in vacuum switch, the melting welding of contact is distinct issues.Melting welding between vacuum contact is almost inevitable, and thus can only require that the melting welding power between contact is not too large, after contact generation melting welding, melting welding point can be fallen by broken ring easily under the effect of separating brake power.In order to reach this object, usually utilizing the segregation phenomena of alloy material, making the point of the melting welding between contact become very fragile.In order to meet the requirement of large rated current, contact material must have very high conductance, high conductive coefficient and little contact resistance, to make the power loss of contact portion less and distributed by the heat of generation as soon as possible, high mechanical strength is that mechanical shock when ensureing that contact bears divide-shut brake is necessary.So the area in contact surface arc spot melting zone is little, depth as shallow, thermal inertia is little, its, constant only had several microsecond cooling time, in vacuum interrupter normal operating conditions, contact is closed, and by the electric current of contact and circuit breaker often up to 2000A, the rising by causing each contact temperature in vacuum interrupter of big current, has had a strong impact on the useful life of vacuum interrupter and circuit breaker.Therefore utilizing has the heat abstractor of good heat conductivity to cool by cathode protection, makes metallic vapour concentration low, is the essential condition ensureing that vacuum interrupter normally cut-offs.
Summary of the invention
The technical problem to be solved in the present invention is: based on the problems referred to above, the invention provides a kind of heat radiation rack on pole.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of heat radiation rack on pole, comprise heat radiation rack body, the base plate that described heat radiation rack body comprises portal structures and the fin be positioned on base plate, described fin comprises the fin of string configuration and the fin of wavy shaped configuration, the back side of described base plate is provided with the Connection Block be connected with pole, Connection Block offers screwed hole, four angles of described base plate are also provided with seal.
Further, described fin has five, and wherein a slice is the fin of wavy shaped configuration.The fin of prior art is all the fin of string configuration, a slice is had to be the fin of wavy shaped configuration in design fin, because solid-state pole has metallic vapour, directly enter air to prevent metallic vapour just to need to reduce metallic vapour concentration, the fin of design wave shape structure can increase the shock of metallic vapour, reaches the effect reducing metallic vapour concentration.
Further, the height of described Connection Block and the height of base plate consistent.
The invention has the beneficial effects as follows: structure of the present invention is simple, reasonable in design, has good heat conductivity, cathode protection can be allowed to cool, make metallic vapour concentration low, ensure that vacuum interrupter normally cut-offs.
Accompanying drawing explanation
Below in conjunction with accompanying drawing embodiment, the present invention is further described.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
In figure: 1. base plate, 2. fin, 3. Connection Block, 4. screwed hole, 5. seal, the fin of 21. string configuration, the fin of 22. wavy shaped configuration.
Embodiment
The invention will be further described in conjunction with specific embodiments now, and following examples are intended to the present invention instead of limitation of the invention further are described.
As shown in Figures 1 to 3, a kind of heat radiation rack on pole, comprise heat radiation rack body, the base plate 1 that heat radiation rack body comprises portal structures and the fin 2 be positioned on base plate 1, fin 2 comprises the fin 21 of string configuration and the fin 22 of wavy shaped configuration, the back side of base plate 1 is provided with the Connection Block 3 be connected with pole, Connection Block 3 offers screwed hole 4, and four angles of base plate 1 are also provided with seal 5.
Further, fin 2 has five, and wherein a slice is the fin 22 of wavy shaped configuration.The fin 2 of prior art is all the fin 21 of string configuration, a slice is had to be the fin 22 of wavy shaped configuration in design fin 2, because solid-state pole has metallic vapour, directly enter air to prevent metallic vapour just to need to lower the temperature to metallic vapour, the fin 22 of design wave shape structure can increase the shock of metallic vapour, reaches the effect of cooling.
Further, the height of Connection Block 3 is consistent with the height of base plate 1.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on specification, must determine its technical scope according to right.
Claims (3)
1. the heat radiation rack on pole, it is characterized in that: comprise heat radiation rack body, the base plate (1) that described heat radiation rack body comprises portal structures and the fin (2) be positioned on base plate (1), described fin (2) comprises the fin (21) of string configuration and the fin (22) of wavy shaped configuration, the back side of described base plate (1) is provided with the Connection Block (3) be connected with pole, Connection Block (3) offers screwed hole (4), four angles of described base plate (1) are also provided with seal (5).
2. a kind of heat radiation rack on pole according to claim 1, is characterized in that: described fin (2) has five, and wherein a slice is the fin (22) of wavy shaped configuration.
3. a kind of heat radiation rack on pole according to claim 1, is characterized in that: the height of described Connection Block (3) is consistent with the height of base plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410353991.1A CN104752094A (en) | 2014-07-23 | 2014-07-23 | Heat dissipating rack for solid-sealed polar pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410353991.1A CN104752094A (en) | 2014-07-23 | 2014-07-23 | Heat dissipating rack for solid-sealed polar pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104752094A true CN104752094A (en) | 2015-07-01 |
Family
ID=53591623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410353991.1A Pending CN104752094A (en) | 2014-07-23 | 2014-07-23 | Heat dissipating rack for solid-sealed polar pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104752094A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107452531A (en) * | 2017-09-15 | 2017-12-08 | 西安京工智鑫电磁技术有限责任公司 | A kind of high-voltage pulsed source main switch of high repetition frequency |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2157590A1 (en) * | 2008-08-20 | 2010-02-24 | ABB Technology AG | High voltage switch with cooling |
| CN202888054U (en) * | 2012-09-03 | 2013-04-17 | 湖南德意电气有限公司 | Solid-sealed polar pole of indoor high-voltage vacuum circuit breaker |
| CN204011232U (en) * | 2014-04-30 | 2014-12-10 | 王敏 | Heat radiation rack on pole |
-
2014
- 2014-07-23 CN CN201410353991.1A patent/CN104752094A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2157590A1 (en) * | 2008-08-20 | 2010-02-24 | ABB Technology AG | High voltage switch with cooling |
| CN202888054U (en) * | 2012-09-03 | 2013-04-17 | 湖南德意电气有限公司 | Solid-sealed polar pole of indoor high-voltage vacuum circuit breaker |
| CN204011232U (en) * | 2014-04-30 | 2014-12-10 | 王敏 | Heat radiation rack on pole |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107452531A (en) * | 2017-09-15 | 2017-12-08 | 西安京工智鑫电磁技术有限责任公司 | A kind of high-voltage pulsed source main switch of high repetition frequency |
| CN107452531B (en) * | 2017-09-15 | 2022-02-11 | 西安京工智鑫电磁技术有限责任公司 | High-repetition-frequency high-voltage pulse source main switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150701 |