CN203118846U - Load switch with evener electric field distribution between contactors - Google Patents
Load switch with evener electric field distribution between contactors Download PDFInfo
- Publication number
- CN203118846U CN203118846U CN 201320146418 CN201320146418U CN203118846U CN 203118846 U CN203118846 U CN 203118846U CN 201320146418 CN201320146418 CN 201320146418 CN 201320146418 U CN201320146418 U CN 201320146418U CN 203118846 U CN203118846 U CN 203118846U
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- China
- Prior art keywords
- electrode assembly
- contact
- movable electrode
- sleeve
- electric field
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses a switch device, particularly relates to a load switch with an evener electric field distribution between contactors. A contactor sleeve (9), a grounded electrode sleeve (25) and a grounded electrode assembly (14) are all fixed on a fixing plate (1). A movable electrode assembly (10) is nested in the contactor sleeve (9) through a movable electrode guide rod (8); and the bottom portion of the movable electrode assembly (10)matches with the top position of a stator assembly (21). The end face where the movable electrode assembly (10) is contacted with the stator assembly (21) is a quincuncial contactor. The grounded electrode assembly (14) is mounted in a grounded electrode sleeve (25) through a grounded electrode guide rod (13); and the end face where the grounded electrode assembly (14) is contacted with the stator assembly (21) is a quincuncial contactor. By the aid of the load switch, bounce is small when a closing contactor is switched on, conductive contactors are connected more reliably after switched on, electric field is distributed evener; and besides, contactors are tend to be pressed towards a conducting rod by electric power, and dynamic stability is excellent.
Description
Technical field
The utility model relates to a kind of switchgear, relates in particular to the more uniform on-load switch of Electric Field Distribution between a kind of contact.
Background technology
Gas-insulated switchgear has been widely used in height, middle pressure transmission and distribution network, can effectively carry out the distribution of electric energy and the protection of circuit.Meeting switch is one of main element of gas-insulated switchgear, be installed in the gas-insulated switchgear with totally enclosed type, be used for closing and close short circuit current and segmentation recombination current, adopt arc extinguishing structure, vacuum type such as metal deion grid formula, air pressing type structure and vacuum type structure usually; Wherein the air pressing type principle produces high velocity air in order to the principle of cooling and extinguish arcs by Compressed Gas, and this structure arc extinguishing ability is strong, and especially middle and high pressure field has obtained more general application.
The plenum chamber of existing pressure-operated load switch is located in the contact tube, and contact tube is because of the insulating sleeve spatial limitation, and size is thick inadequately, so the insufficient pressure of plenum chamber, and the arc extinguishing ability is restricted.
The utility model content
The purpose of this utility model is to provide the more uniform on-load switch of Electric Field Distribution between a kind of contact, solved existing pressure-operated load switch because of the insulating sleeve spatial limitation, size is thick inadequately, so the insufficient pressure of plenum chamber, the problem that the arc extinguishing ability is restricted.
For addressing the above problem, technical solution adopted in the utility model is:
The more uniform on-load switch of Electric Field Distribution between a kind of contact, comprise contact sleeve, movable electrode assembly, ground electrode sleeve, grounding electrode assembly, fixed end sub-component and grounding electrode guide post, wherein said contact sleeve ground electrode sleeve and grounding electrode assembly all are fixed on the fixed head, the movable electrode assembly be sleeved in the contact sleeve by the movable electrode guide post and its bottom suitable with the tip position of fixed end sub-component, on the described movable electrode assembly and the contacted end face of fixed end sub-component be Mume flower contact; Described grounding electrode assembly is installed in the ground electrode sleeve by the grounding electrode guide post, and grounding electrode assembly and the contacted end face of fixed end sub-component are Mume flower contact.
Further technical scheme is, described movable electrode assembly is installed on the fixed head by the movable electrode insulation arm, described grounding electrode assembly is installed on the fixed head by the grounding electrode insulation arm, the direction of motion of described movable electrode assembly is vertical mutually with the contacted end face of fixed end sub-component with the movable electrode assembly, and the direction of motion of described grounding electrode assembly is vertical mutually with the contacted end face of fixed end sub-component with the grounding electrode assembly.
Further technical scheme is, described contact sleeve and movable electrode assembly form plenum chamber, and sulphur hexafluoride insulating gas in the described plenum chamber is provided with the gas channeling concave groove that is communicated with plenum chamber in the described movable electrode assembly.
Further technical scheme is, the contact-making surface of described fixed end sub-component is provided with the copper-tungsten layer.
The beneficial effect that adopts technique scheme to produce is: the Mume flower contact formula that movable electrode assembly of the present utility model and grounding electrode assembly adopt, make when closing a floodgate, pressure direction between dynamic/static contact is vertical with the direction of motion, spring when contact is connected is little, the back conductive contact that closes a floodgate connects more reliable, Electric Field Distribution is more even than any cutter formula structure, when short circuit current passes through in addition, because the sense of current is consistent between fingertip and between fingertip and the conducting rod, the electric power trend is pressed to conducting rod with fingertip, and dynamic stability is better.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the more uniform on-load switch of Electric Field Distribution between a kind of contact of the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Fig. 1 shows an embodiment of the more uniform on-load switch of Electric Field Distribution between a kind of contact of the utility model: the more uniform on-load switch of Electric Field Distribution between a kind of contact, comprise contact sleeve 9, movable electrode assembly 10, ground electrode sleeve 25, grounding electrode assembly 14, fixed end sub-component 21 and grounding electrode guide post 13, wherein said contact sleeve 9, ground electrode sleeve 25 and grounding electrode assembly 14 all are fixed on the fixed head 1, movable electrode assembly 10 be sleeved in the contact sleeve 9 by movable electrode guide post 8 and its bottom suitable with the tip positions of fixed end sub-component 21, on the described movable electrode assembly 10 and fixed end sub-component 21 contacted end faces be Mume flower contact; Described grounding electrode assembly 14 is installed in the ground electrode sleeve 25 by grounding electrode guide post 13, and grounding electrode assembly 14 is Mume flower contact with fixed end sub-component 21 contacted end faces.
Another embodiment according to the more uniform on-load switch of Electric Field Distribution between a kind of contact of the utility model, described movable electrode assembly 10 is installed on the fixed head 1 by movable electrode insulation arm 24, described grounding electrode assembly 14 is installed on the fixed head 1 by grounding electrode insulation arm 11, the direction of motion of described movable electrode assembly 10 is vertical mutually with fixed end sub-component 21 contacted end faces with movable electrode assembly 10, and the direction of motion of described grounding electrode assembly 14 is vertical mutually with fixed end sub-component 21 contacted end faces with grounding electrode assembly 14.
Another preferred embodiment according to the more uniform on-load switch of Electric Field Distribution between a kind of contact of the utility model, described contact sleeve 9 and movable electrode assembly 10 form plenum chamber 23, sulphur hexafluoride insulating gas in the described plenum chamber 23, be provided with the gas channeling concave groove 22 that is communicated with plenum chamber 23 in the described movable electrode assembly 10, such frame mode, in the time of sub-switching operation, movable electrode assembly 10 moves upward fast, sulphur hexafluoride insulating gas in the compression plenum chamber 23, and blow to the electric arc that produces on the contact-making surface fast by the special gas channeling concave groove 22 in lower end, play arc quenching effect, tolerance abundance in this structure plenum chamber, the air-flow spouting velocity is fast, and directivity is accurate, and connecting-disconnecting function is big.
Another preferred embodiment according to the more uniform on-load switch of Electric Field Distribution between a kind of contact of the utility model, the contact-making surface of described fixed end sub-component 21 is provided with the copper-tungsten layer, also improves the segmentation ability useful life that can prolong main circuit of load switch greatly.
Although be described with reference to the utility model of a plurality of explanatory embodiment of the present utility model here, but, should be appreciated that, those skilled in the art can design a lot of other modification and execution modes, and these are revised and execution mode will drop within the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to building block and/or the layout of subject combination layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes also will be tangible.
Claims (4)
1. the more uniform on-load switch of Electric Field Distribution between the contact, it is characterized in that: comprise contact sleeve (9), movable electrode assembly (10), ground electrode sleeve (25), grounding electrode assembly (14), fixed end sub-component (21) and grounding electrode guide post (13), wherein said contact sleeve (9), ground electrode sleeve (25) and grounding electrode assembly (14) all are fixed on the fixed head (1), movable electrode assembly (10) is sleeved in the contact sleeve (9) by movable electrode guide post (8) and is suitable with the tip position of fixed end sub-component (21) bottom it, and described movable electrode assembly (10) is gone up and the contacted end face of fixed end sub-component (21) is Mume flower contact; Described grounding electrode assembly (14) is installed in the ground electrode sleeve (25) by grounding electrode guide post (13), and grounding electrode assembly (14) is Mume flower contact with the contacted end face of fixed end sub-component (21).
2. the more uniform on-load switch of Electric Field Distribution between a kind of contact according to claim 1, it is characterized in that: described movable electrode assembly (10) is installed on the fixed head (1) by movable electrode insulation arm (24), described grounding electrode assembly (14) is installed on the fixed head (1) by grounding electrode insulation arm (11), the direction of motion of described movable electrode assembly (10) is vertical mutually with the contacted end face of fixed end sub-component (21) with movable electrode assembly (10), and the direction of motion of described grounding electrode assembly (14) is vertical mutually with the contacted end face of fixed end sub-component (21) with grounding electrode assembly (14).
3. the more uniform on-load switch of Electric Field Distribution between a kind of contact according to claim 1, it is characterized in that: described contact sleeve (9) and movable electrode assembly (10) form plenum chamber (23), the interior sulphur hexafluoride insulating gas of described plenum chamber (23) is provided with the gas channeling concave groove (22) that is communicated with plenum chamber (23) in the described movable electrode assembly (10).
4. the more uniform on-load switch of Electric Field Distribution between a kind of contact according to claim 1, it is characterized in that: the contact-making surface of described fixed end sub-component (21) is provided with the copper-tungsten layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320146418 CN203118846U (en) | 2013-03-27 | 2013-03-27 | Load switch with evener electric field distribution between contactors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320146418 CN203118846U (en) | 2013-03-27 | 2013-03-27 | Load switch with evener electric field distribution between contactors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203118846U true CN203118846U (en) | 2013-08-07 |
Family
ID=48899168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320146418 Expired - Fee Related CN203118846U (en) | 2013-03-27 | 2013-03-27 | Load switch with evener electric field distribution between contactors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203118846U (en) |
-
2013
- 2013-03-27 CN CN 201320146418 patent/CN203118846U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20140327 |