CN102683092A - High-current auxiliary switch of high-voltage switch - Google Patents
High-current auxiliary switch of high-voltage switch Download PDFInfo
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- CN102683092A CN102683092A CN2011100563065A CN201110056306A CN102683092A CN 102683092 A CN102683092 A CN 102683092A CN 2011100563065 A CN2011100563065 A CN 2011100563065A CN 201110056306 A CN201110056306 A CN 201110056306A CN 102683092 A CN102683092 A CN 102683092A
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- moving contact
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Abstract
The invention discloses a high-current auxiliary switch of a high-voltage switch, and relates to the technical field of switching devices for power distribution or power supply. The high-current auxiliary switch comprises a lower pressure plate, insulating sheets, a fixed contact plastic support, a fixed contact, a movable contact set, a plastic end plate, an upper pressure plate, a rotary shaft, screws and the like, the fixed contact is mounted in a clamp groove of the fixed contact plastic support, the movable contact set is assembled in a cavity of the fixed contact plastic support, the rotary shaft penetrates through all square holes of the movable contact set, the lower pressure plate, the insulating sheets, the assembled fixed contact plastic support, the plastic end plate and the upper pressure plate are fixedly assembled together by the two screws via nuts, holes for mounting the auxiliary switch are arranged on the upper pressure plate, the movable contact set consists of a movable contact fixing clamp, arc chutes, movable contacts and a fixing gasket, the movable contacts are clamped between the two arc chutes, and the two arc chutes are riveted together by the movable contact fixing clamp and the fixing gasket. The high-current auxiliary switch can bear high direct-current electricity higher than 220V/2A, and the movable contacts and the fixed contact cannot be burned easily, and are assured to reliably contact with each other and are centered.
Description
Technical field
The present invention relates to the switching device technical field of distribution or power supply usefulness, especially relate to the big electric current auxiliary switch of a kind of high-voltage switch gear.
Background technology
High-voltage switch gear is meant and is used for electric power system generating, transmission of electricity, distribution, electric energy conversion and has consumed effects such as break-make, control or protection; Electric pressure is in the electric equipment products of 3.6～550kv; Comprise that mainly primary cut-out, high voltage isolator overlap and sectionalizer with earthed switch, high voltage load switch, high pressure automatically, several big type of high-voltage actuating mechanism, high-voltage explosion-proof power distribution equipment and high-tension switch cabinet etc.The high-voltage switch gear manufacturing industry is the manufacturing important component part of power transmission and transforming equipment, in whole power industry, occupies important status.And wherein high-voltage switch secondary circuit is realized the functions such as control, supervision, protection and adjusting to an electric equipment, moves significant continuously, safely, reliably to an electric equipment.Therefore the high-voltage switch gear auxiliary switch that is applied in the high-voltage switch secondary circuit also is very important parts.The used auxiliary switch of high-voltage switch gear secondary control loop can be controlled high-voltage switch gear, the electrical interlock of switch room and usefulness that the relaying protection four-remote system provides control, signal.
Existing high-voltage switch gear auxiliary switch can only bear the electric current below the direct current 220V/2A on the market, when electric current be equal to or greater than direct current 220V/2A when above the contact of auxiliary switch make switch failure with regard to burning out easily.
Summary of the invention
Deficiency to above-mentioned prior art exists the purpose of this invention is to provide the big electric current auxiliary switch of a kind of high-voltage switch gear, and it can bear the above big electric current of direct current 220V/2A, makes not easy burn-out of dynamic/static contact, and guarantees the reliable contact between the dynamic/static contact.
To achieve these goals; The technical scheme that the present invention adopted is: the big electric current auxiliary switch of a kind of high-voltage switch gear; Comprise lower platen, insulating trip, fixed contact plastic stent, fixed contact, moving contact group, plastic end panel, top board, rotating shaft, screw rod etc., fixed contact is contained in the draw-in groove of fixed contact plastic stent, and moving contact is assembled in the cavity of fixed contact plastic stent; The square hole of all moving contact groups is passed in rotating shaft; Two screw rods tighten together lower platen, insulation board, the fixed contact plastic stent that assembles, plastic end panel, top board with the nut assembling, top board is provided with installing hole, and said moving contact group comprises moving contact geometrical clamp, arc-chute, moving contact and setting-up piece; Moving contact is clipped between two arc-chutes, and with moving contact geometrical clamp and stator two arc-chutes is riveted together.
As preferably, four four square holes wearing arc-chute of said moving contact geometrical clamp, and with setting-up piece two arc-chutes are riveted tightly.
As preferably, described fixed contact and moving contact are the sheet metal sheet, be linear contact when combining, and moving contact are processed by elastomeric material.
As preferably, said rotating shaft comprises the square heart of a metal and the square shaft of an engineering plastics injection mo(u)lding, and said side's heart is nested in the square shaft, and the square heart is contained in the center hole of top board.
As preferably, said fixed contact plastic stent cavity is an annular.
As preferably, the draw-in groove of said fixed contact plastic stent is distributed in the Si Jiaochu of fixed contact plastic stent.
As preferably, said fixed contact plastic stent and plastic end panel are by the flame retardant plastics injection mo(u)lding.
As preferably, the big electric current auxiliary switch of said a kind of high-voltage switch gear is that the rotating shaft that utilizes the operating mechanism of driving switch electrical equipment action to drive the big electric current auxiliary switch of high-voltage switch gear is rotated, thereby reaches the purpose of auxiliary switch function conversion.
After adopting said structure; The present invention compares the advantage that is had with prior art: the present invention is through being contained in fixed contact in the draw-in groove of fixed contact plastic stent, and moving contact is assembled in the cavity of fixed contact plastic stent, and the square hole of all moving contact groups is passed in rotating shaft; Rotating shaft rotates under the drive of operating mechanism; The moving contact group can be rotated with rotating shaft, guarantees that fixed contact reliably contacts and centering with moving contact, thereby realizes the switching to the high-voltage switch gear secondary control loop; Moving contact is riveted between two arc-chutes, and the interaction energy that arc-chute has dispersion, shielded arc reduces the scaling loss of electric arc to dynamic/static contact, thereby guarantees that dynamic/static contact is difficult for being burnt out.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is an outside drawing of the present invention;
Fig. 3 is a moving contact structure sketch map of the present invention.
Among the figure: 1 lower platen, 2 insulating trips, 3 fixed contact plastic stents, 4 fixed contacts; 5 moving contact groups, 6 plastic end panel, 7 top boards, 8, rotating shaft; 9, screw rod; 10 plain washers, 11 spring washers, 12 nuts, 13 moving contact geometrical clamps, 14 arc-chutes, 15 moving contacts, 16 setting-up pieces.
Embodiment
The following stated is merely preferred embodiment of the present invention, does not therefore limit protection scope of the present invention.
Embodiment; See that Fig. 1 is to shown in Figure 2: the big electric current auxiliary switch of a kind of high-voltage switch gear; Comprise: lower platen 1, insulating trip 2, fixed contact plastic stent 3, fixed contact 4, moving contact group 5, plastic end panel 6, top board 7, rotating shaft 8, screw rod 9, plain washer 10, spring washer 11, nut 12; Wherein fixed contact 4 is installed in four jiaos the draw-in groove of fixed contact plastic stent 3; Moving contact group 5 is contained in the cavity of annular of fixed contact plastic stent 3, guarantees that fixed contact 4 reliably contacts also centering with moving contact 15; The square hole of all moving contact groups 5 is passed in rotating shaft 8; Two screw rods 9 tighten together lower platen 1, insulating trip 2, the fixed contact plastic stent 3 that assembles, plastic end panel 6,12 assemblings of top board 7 usefulness nuts successively; Top board 7 is provided with installing hole, and the big electric current auxiliary switch of high-voltage switch gear fixes through installing hole and connects, and rotating shaft 8 comprises the square heart of a metal and the square shaft of an engineering plastics injection mo(u)lding; Side's heart is nested in the square shaft, and the square heart is contained in the center hole of top board 7.
Fixed contact plastic stent 3 and plastic end panel 6 are by the flame retardant plastics injection mo(u)lding;
Fixed contact 4 is the sheet metal sheet with moving contact 15, thereby fixed contact 4 has the favorable linearity contact-segment when engaging with moving contact 15, and moving contact 15 processed by elastomeric material, and generation strain assurance dynamic/static contact reliably contacts.
Moving contact group 5 as shown in Figure 3 comprises: moving contact geometrical clamp 13, arc-chute 14, moving contact 15, setting-up piece 16; Wherein two moving contacts 15 are clipped between two arc-chutes 14; With four four square holes wearing arc-chute 14 of moving contact geometrical clamp 13, and arc-chute 14 is riveted tightly with setting-up piece 16.
Operating procedure of the present invention: rotating shaft 8 rotates under the drive of operating mechanism; The contact of the every group of moving contact 15 in the rotating shaft 8 is corresponding with the contact of its corresponding fixed contact 4; When fixed contact corresponding on the moving contact in the rotating shaft 8 15 and the fixed contact plastic stent 34 engages, contacting; The contact is broken off during separation, realizes the switching to control loop.
Moving contact 15 has the favorable linearity contact-segment when engaging with fixed contact 4, and moving contact 15 generation strains guarantee that dynamic/static contact reliably contacts.
Moving contact 15 is riveted between two arc-chutes 14, and the interaction energy that arc-chute 14 has dispersion, shielded arc reduces the scaling loss of electric arc to dynamic/static contact, thereby guarantees that dynamic/static contact is difficult for being burnt out.
Claims (8)
1. big electric current auxiliary switch of high-voltage switch gear; Comprise lower platen, insulating trip, fixed contact plastic stent, fixed contact, moving contact group, plastic end panel, top board, rotating shaft, screw rod etc.; Fixed contact is contained in the draw-in groove of fixed contact plastic stent; Moving contact is assembled in the cavity of fixed contact plastic stent, and the square hole of all moving contact groups is passed in rotating shaft, and two screw rods tighten together lower platen, insulation board, the fixed contact plastic stent that assembles, plastic end panel, top board with the nut assembling; Top board is provided with installing hole; It is characterized in that: said moving contact group comprises moving contact geometrical clamp, arc-chute, moving contact and setting-up piece, and moving contact is clipped between two arc-chutes, and with moving contact geometrical clamp and stator two arc-chutes is riveted together.
2. the big electric current auxiliary switch of a kind of high-voltage switch gear according to claim 1 is characterized in that: four four square holes wearing arc-chute of said moving contact geometrical clamp, and with setting-up piece two arc-chutes are riveted tightly.
3. the big electric current auxiliary switch of a kind of high-voltage switch gear according to claim 2, it is characterized in that: described fixed contact and moving contact are the sheet metal sheet, be linear contact when combining, and moving contact are processed by elastomeric material.
4. the big electric current auxiliary switch of a kind of high-voltage switch gear according to claim 3; It is characterized in that: said rotating shaft comprises the square heart of a metal and the square shaft of an engineering plastics injection mo(u)lding; Said side's heart is nested in the square shaft, and the square heart is contained in the center hole of top board.
5. the big electric current auxiliary switch of a kind of high-voltage switch gear according to claim 4 is characterized in that: said fixed contact plastic stent cavity is an annular.
6. the big electric current auxiliary switch of a kind of high-voltage switch gear according to claim 5, it is characterized in that: the draw-in groove of said fixed contact plastic stent is distributed in the Si Jiaochu of fixed contact plastic stent.
7. the big electric current auxiliary switch of a kind of high-voltage switch gear according to claim 6 is characterized in that: said fixed contact plastic stent and plastic end panel are by the flame retardant plastics injection mo(u)lding.
8. the big electric current auxiliary switch of a kind of high-voltage switch gear according to claim 7; It is characterized in that: the big electric current auxiliary switch of said high-voltage switch gear is to utilize the operating mechanism of driving switch electrical equipment action to drive the rotating shaft rotation of the big electric current auxiliary switch of high-voltage switch gear, thereby reaches the purpose of auxiliary switch function conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100563065A CN102683092A (en) | 2011-03-09 | 2011-03-09 | High-current auxiliary switch of high-voltage switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100563065A CN102683092A (en) | 2011-03-09 | 2011-03-09 | High-current auxiliary switch of high-voltage switch |
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| Publication Number | Publication Date |
|---|---|
| CN102683092A true CN102683092A (en) | 2012-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100563065A Pending CN102683092A (en) | 2011-03-09 | 2011-03-09 | High-current auxiliary switch of high-voltage switch |
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| Country | Link |
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| CN (1) | CN102683092A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325590A (en) * | 2013-06-18 | 2013-09-25 | 苏州市吴中区欣鑫开关配件厂 | Contact support |
| CN105280424A (en) * | 2015-10-12 | 2016-01-27 | 沈阳兴华航空电器有限责任公司 | Auxiliary switch for power grid transformer |
| CN105751468A (en) * | 2016-04-13 | 2016-07-13 | 宁波耀华电气科技有限责任公司 | Auxiliary switch pressing plate formed by thermoplastic plastics and manufacturing process of auxiliary switch pressing plate |
| CN110493992A (en) * | 2019-08-28 | 2019-11-22 | 苏州艾克威尔科技有限公司 | A kind of outer anti-explosion cabinet of high pressure soft starting device |
-
2011
- 2011-03-09 CN CN2011100563065A patent/CN102683092A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325590A (en) * | 2013-06-18 | 2013-09-25 | 苏州市吴中区欣鑫开关配件厂 | Contact support |
| CN105280424A (en) * | 2015-10-12 | 2016-01-27 | 沈阳兴华航空电器有限责任公司 | Auxiliary switch for power grid transformer |
| CN105751468A (en) * | 2016-04-13 | 2016-07-13 | 宁波耀华电气科技有限责任公司 | Auxiliary switch pressing plate formed by thermoplastic plastics and manufacturing process of auxiliary switch pressing plate |
| CN110493992A (en) * | 2019-08-28 | 2019-11-22 | 苏州艾克威尔科技有限公司 | A kind of outer anti-explosion cabinet of high pressure soft starting device |
| CN110493992B (en) * | 2019-08-28 | 2024-04-05 | 苏州艾克威尔科技有限公司 | Outer explosion-proof cabinet for high-voltage soft starter |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120919 |