CN202268284U - Moving and static contact connecting assembly and high voltage isolation grounding switch thereof - Google Patents
Moving and static contact connecting assembly and high voltage isolation grounding switch thereof Download PDFInfo
- Publication number
- CN202268284U CN202268284U CN2011203281653U CN201120328165U CN202268284U CN 202268284 U CN202268284 U CN 202268284U CN 2011203281653 U CN2011203281653 U CN 2011203281653U CN 201120328165 U CN201120328165 U CN 201120328165U CN 202268284 U CN202268284 U CN 202268284U
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- contact
- moving
- static
- arcing
- quiet arc
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Abstract
The present utility model relates to a moving and static contact connecting assembly and a high voltage isolation grounding switch thereof. The moving and static contact connecting assembling comprises a moving contact and a static contact which are correspondingly plugged and fitted, the static contact comprises a static contacting finger and a static arc contact axially arranged on a center of a static contacting pedestal, and the static arc contact is provided with a cylindrical contacting rod which is extended axially and has a complete circumference. An end part center of the moving contact, which is fitted with the static contacting finger, is provided with an installing hole extended along the axial direction, the installing hole is provided with a hollow cylindrical moving arc contact which is coaxially plugged and fitted with the contacting rod of the static arc contact when closing, and the static arc contact is contacted and fitted with the moving arc contact. A complete cylindrical structure is adopted in the static arc contact of the static contact, a corresponding plugging and matching structure is arranged on the moving contact, an opening on the static arc contact will be avoided, the static contacting finger will not be divided, and self structure intensity will not be reduced, and problems that pin fingers of the static arc contact are easy to deform, and excessive stroke is not accurate after deformation can be avoided.
Description
Technical field
The utility model belongs to high voltage electric equipment device technology field, relates to a kind of high pressure isolation earthing switch of Cubicle Gas-Insulated Switchgear.
Background technology
Be used for Cubicle Gas-Insulated Switchgear; The dynamic and static contact of isolation earthing switch or the assembling of dynamic and static contact at present has following two kinds of patterns: (1) fixed contact or fixed contact assembling; Use fixedly static contact finger of spring coil, make static contact finger form a cup structure.During combined floodgate, moving contact directly inserts in the cup, fixed contact or fixed contact assembling place, and no guided rings or guide bar only depend on moving contact or moving contact to assemble the guiding device of side, guarantee axiality between the two; (2) application number is 200680013925.3 to disclose the patent document that a kind of name is called " load-break switch "; Quiet arc contact wherein (being called " contact plug " in the contrast patent) is to process by having certain flexible warping resistance electric conducting material; Its external diameter is greater than the external diameter of remaining quiet arc contact part; The quiet arc contact has at least one opening that extends in the vertical, and this opening is divided at least two static contact finger lobes with the quiet arc contact.
Because isolating switch must possess folding bus switching current; Reach the little capacitive of folding, the needs of inductance current; Isolating switch must have the arcing contact structure, make when in the moving process arc current being arranged, arcing contact scaling loss rather than main contact (galvanic circle) scaling loss; To connect prior to main contact when therefore the arcing contact structure is closed a floodgate in operation, will be later than main contact during separating brake and separate.Moving contact has one and is used to portion's section of guiding, conducting electricity on its interior profile, its narrowest internal diameter is less than the external diameter that is used on the quiet arc contact with moving contact contact site section.
More than two kinds of structures all be well known in the art, though first kind simple in structure, compact, when having assembling, well under the situation, moving contact can not well reliably contact with the static contact finger of fixed contact fit on axiality; Second kind of structure; Be used for conduction, guiding moving contact though in the fixed contact assembling, increased the quiet arc contact; Guaranteed that moving contact reliably contacts with static contact finger; But the quiet arc contact is provided with and makes its rubber-like longitudinal opening, therefore exists the pin on the quiet arc contact to refer to easy deformation, causes being out of shape the inaccurate problem of the back excess of stroke.
The utility model content
The purpose of the utility model provide a kind of dynamic/static contact coupling assembling with the isolation earthing switch assembling axiality that solves existing structure on the good or quiet arc contact pin refer to that easy deformation causes the inaccurate problem of the excess of stroke, provides a kind of high pressure isolation earthing switch that uses this dynamic/static contact coupling assembling simultaneously.
Realize above-mentioned purpose; The technical scheme of the dynamic/static contact coupling assembling that the utility model provides is following: a kind of dynamic/static contact coupling assembling; Comprise the corresponding moving contact and the fixed contact of pegging graft and cooperating; Said fixed contact comprises static contact seat, static contact finger and static contact seat central shaft to the quiet arc contact that is provided with, and said quiet arc contact has complete cylindric contact lever that extend vertically and circumferential; The center, end that said moving contact cooperates with static contact finger has the installing hole that extends vertically; Be provided with moving arcing contact in the said installing hole with the contact lever of the quiet arc contact hollow columnar that coaxial grafting cooperates when closing a floodgate; The external diameter of said quiet arc contact is less than the internal diameter of moving arcing contact, and quiet arc contact and moving arcing contact grafting contact matching; The end of said quiet arc contact contact lever is provided with the quiet contact that draws, and is provided with the little arcing contact of a column in the said moving arcing contact, is provided with the spring with little arcing contact roof pressure assembling in the installing hole.
Be provided with insulation cushion between little arcing contact and the spring.
Said little arcing contact outer peripheral face is provided with the groove that is provided with at interval, is provided with at least one power spring in the said groove.
The end of said moving arcing contact is provided with the guided rings that cooperates with little arcing contact block.
Said moving arcing contact one end is provided with the retaining edge that cooperates with the moving contact block.
The utility model provide high pressure isolation earthing switch technical scheme following: a kind of high pressure isolation earthing switch; Comprise the dynamic/static contact coupling assembling; The dynamic/static contact coupling assembling comprises the corresponding moving contact and the fixed contact of pegging graft and cooperating; Said fixed contact comprises static contact seat, static contact finger and static contact seat central shaft to the quiet arc contact that is provided with, and said quiet arc contact has complete cylindric contact lever that extend vertically and circumferential; The center, end that said moving contact cooperates with static contact finger has the installing hole that extends vertically; Be provided with moving arcing contact in the said installing hole with the contact lever of the quiet arc contact hollow columnar that coaxial grafting cooperates when closing a floodgate; The external diameter of said quiet arc contact is less than the internal diameter of moving arcing contact, and quiet arc contact and moving arcing contact grafting contact matching.
The end of said quiet arc contact contact lever is provided with the quiet contact that draws, and is provided with the little arcing contact of a column in the said moving arcing contact, is provided with the spring with little arcing contact roof pressure assembling in the installing hole.
Be provided with insulation cushion between little arcing contact and the spring.
Said little arcing contact outer peripheral face is provided with the groove that is provided with at interval, is provided with at least one power spring in the said groove.
The end of said moving arcing contact is provided with the guided rings that cooperates with little arcing contact block.
Said moving arcing contact one end is provided with the retaining edge that cooperates with the moving contact block.
The quiet arc contact that is provided with on dynamic/static contact coupling assembling of the utility model and the high pressure isolation earthing switch fixed contact adopts complete cylindrical structural; And the supporting structure of corresponding grafting is set in moving contact; Avoided making the static contact finger distinguish and reducing self structure intensity in the upper shed of quiet arc contact; Avoid the pin on the quiet arc contact to refer to easy deformation simultaneously, caused being out of shape the inaccurate problem of the back excess of stroke; In addition, cooperate with the plug-in mounting of moving arcing contact, guaranteed dynamic/static contact assembling axiality through the quiet arc contact.
Description of drawings
Fig. 1 is the structural representation of the utility model dynamic/static contact coupling assembling when sub-switching operation;
Fig. 2 is that the dynamic and static contact of the utility model rigidly connects the structural representation when touching;
Fig. 3 is the structural representation of the utility model dynamic/static contact coupling assembling when closing operation;
Fig. 4 is the structural representation of moving contact link;
Fig. 5 is the structural representation of the utility model high pressure isolation earthing switch.
Embodiment
Below in conjunction with concrete embodiment the utility model is done further introduction.
Like Fig. 1～shown in Figure 3 is the structural representation of the utility model dynamic/static contact coupling assembling; Can know by figure; This high pressure isolation earthing switch comprises main contact component and electric arc contact component; Wherein main contact component when sub-switching operation, break off prior to the electric arc contact component and when closing operation after connect in the electric arc contact component, main contact component comprises static contact finger 2 and moving contact 13, the electric arc contact component comprises the intracardiac moving arcing contact of establishing 3 in quiet arc contact 6 and the moving contact; Moving contact 13 and corresponding the pegging graft of fixed contact cooperate, and fixed contact comprises static contact seat 1, static contact finger 2 and static contact seat 1 central shaft to the quiet arc contact 6 that is provided with, and the quiet arc contact has the cylindric contact lever that extends vertically; The center, end that moving contact cooperates with static contact finger has the installing hole that extends vertically; Be provided with moving arcing contact 3 in the installing hole with the contact lever of quiet arc contact 6 hollow columnar that coaxial grafting cooperates when closing a floodgate; The external diameter of quiet arc contact is less than the internal diameter of moving arcing contact, and quiet arc contact and moving arcing contact grafting contact matching.
In the present embodiment; Moving contact 13 moves axially and is assemblied in the moving contact seat 5, and the outward flange of moving contact seat 5 ends is provided with movable contact and refers to 14, movable contact refer to 14 with moving contact 13 contact matching; In addition, the retaining edge that cooperates with moving contact end block of the moving arcing contact 3 one end settings of present embodiment.
For guaranteeing the good contact of dynamic and static arcing contact; The end of quiet arc contact 6 contact levers is provided with the quiet contact 7 that draws; The little arcing contact 9 of one column is set in the moving arcing contact, between the spring 4 little arcing contacts of setting and little arcing contact roof pressure assembling and the spring 4 insulation cushion 11 is set in the installing hole; Little arcing contact 9, power spring 12, insulation cushion 11, spring 4 are formed assembled in series, and in the end of moving arcing contact the guided rings 8 that cooperates with little arcing contact block are set, and prevent that the interior load module of whole moving contact from skidding off moving contact.The effect of insulation cushion 11 is to prevent the electric current spring 4 of flowing through, and avoids existing unreliable loop, and the ablation spring.Simultaneously, guided rings 8 can be used for guiding quiet arc contact 6 to contact with little arcing contact earlier, guarantees the axiality of dynamic and static contact assembling.
In addition,, on little arcing contact outer peripheral face, be provided with at interval groove is set, at least one power spring 12 (present embodiment is 1) is set in groove for guaranteeing that moving arcing contact contacts with the good of finger tip of moving contact.
Movable contact refer to 14 with the outer radomes 10 that are equipped with of static contact finger 2.
Quiet striking 7 in the utility model, moving arcing contact 3, little arcing contact 9 are processed by ablation resistant material, and guided rings 8 adopts insulating material to process.
Be illustrated in figure 4 as the structural representation of the utility model moving contact link; Can know by figure; Little arcing contact 9 has thin slightly shell of column with insulation cushion 11 contact jaws; Insulation cushion 11 is provided with the groove that is used for the little arcing contact of setting-in with little arcing contact 9 contact jaws, and its other end is provided with and is used to twine the buttress shaft section of establishing spring 4.
The radome 10 of dynamic and static both sides is general part with dynamic and static fingertip in the utility model, makes things convenient for production and processing and simplifies working process.
The course of work and the operation principle of the utility model are following: like Fig. 1～shown in Figure 3; When carrying out closing operation; Moving contact 13 under the promotion of gear, along the guide rail of moving contact seat 5, the quiet end assembling motion that constitutes to static contact seat 1, static contact finger 2, quiet arc contact 6, quiet striking 7, radome 10.Moving contact 13 persistent movements contact (see figure 2) up to little arcing contact 9 and quiet striking 7.Electric current begins through the contact circulation between little arcing contact 9 and the quiet striking 7, this moment moving contact 13 not with static contact seat 1 on static contact finger 2 contact, so combined floodgate fully.Along with moving contact 13 continues motion, quiet arc contact 6 inserts moving arcing contacts 3, moving contact 13 fully with static contact seat 1 on static contact finger 2 contact combined floodgate completion (see figure 3).Because there being quiet arc contact 6 to play the effect of guide bar with the guiding inserting of moving arcing contact endoporus moral, thus close a floodgate fully put in place after, moving contact 13 can guarantee to contact fully with dynamic and static two sections fingertip, accomplishes final through-flow.
The separating brake manner of execution is just in time opposite with the combined floodgate motion mode: at first the static contact finger 2 on moving contact 13 and the static contact seat 1 disengages; Next is that quiet arc contact 6 is extracted out from moving arcing contact 3; Be little arcing contact 9 once more and quiet striking 7 disengages; Last under the drive of gear, moving contact 13 is got back to start bit; Separating brake finishes.
Because quiet arc contact 6 contacts with little arcing contact 9 at first when closing a floodgate, when carrying out sub-switching operation, quiet arc contact 6 disengages with little arcing contact 9 at last; Thereby satisfy isolating switch and must possess folding bus switching current; And the little capacitive of folding, the needs of inductance current, and isolating switch must have the arcing contact structure, make when in the moving process arc current being arranged; Between arcing contact scaling loss rather than static contact finger 2 and the moving contact 13, i.e. the direct scaling loss of galvanic circle.
In addition; Be employed in the guided rings that cooperates with little arcing contact block that the end of moving arcing contact is provided with in the utility model and prevent that the load module in the whole moving contact from skidding off moving contact, also can be employed in and on the relevant position of little arcing contact inwall boss is set or the retaining edge is realized.
Be illustrated in figure 5 as the structural representation of the utility model high pressure isolation earthing switch; Can know by figure; This high pressure isolation earthing switch is one three a station isolation earthing switch; Comprise that corresponding the pegging graft that have that is provided with in housing 18 and the housing cooperates the dynamic/static contact coupling assembling of moving contact and fixed contact: during combined floodgate; Moving contact 3 is assemblied in rotation under the promotion of the gear 15 on the isolation end 17 that set tooth bar moves to the direction of fixed contact 1 on the moving contact 3, until the assembling of pegging graft of moving contact and fixed contact 1, accomplishes feed motion; Otherwise moving contact 3 moves in the other direction, break away from fully until moving contact and fixed contact, and moving contact 3 does not contact with ground connection fixed contact 16, and switch is in isolation at this moment; Moving contact continues to move to ground connection fixed contact 16 directions, and moving contact and ground connection fixed contact 16 are pegged graft and assembled, and this moment, switch was in ground state.
The quiet arc contact that is provided with on the high pressure isolation earthing switch fixed contact of the utility model adopts complete cylindrical structural; And adopt supporting moving contact structure; Avoided making the static contact finger distinguish and reducing self structure intensity in the upper shed of quiet arc contact in the prior art; Avoid the radial peg on the quiet arc contact to refer to easy deformation simultaneously, caused being out of shape the inaccurate problem of the back excess of stroke; In addition, cooperate with the plug-in mounting of moving arcing contact, guaranteed dynamic/static contact assembling axiality through the quiet arc contact.
Claims (10)
1. dynamic/static contact coupling assembling; Comprise the corresponding moving contact and the fixed contact of pegging graft and cooperating; It is characterized in that: said fixed contact comprises static contact seat, static contact finger and static contact seat central shaft to the quiet arc contact that is provided with, and said quiet arc contact has complete cylindric contact lever that extend vertically and circumferential; The center, end that said moving contact cooperates with static contact finger has the installing hole that extends vertically; Be provided with moving arcing contact in the said installing hole with the contact lever of the quiet arc contact hollow columnar that coaxial grafting cooperates when closing a floodgate; The external diameter of said quiet arc contact is less than the internal diameter of moving arcing contact, and quiet arc contact and moving arcing contact grafting contact matching; The end of said quiet arc contact contact lever is provided with the quiet contact that draws, and is provided with the little arcing contact of a column in the said moving arcing contact, is provided with the spring with little arcing contact roof pressure assembling in the installing hole.
2. dynamic/static contact coupling assembling according to claim 1 is characterized in that: be provided with insulation cushion between little arcing contact and the spring.
3. dynamic/static contact coupling assembling according to claim 2 is characterized in that: said little arcing contact outer peripheral face is provided with the groove that is provided with at interval, is provided with at least one power spring in the said groove.
4. according to claim 2 or 3 described dynamic/static contact coupling assemblings, it is characterized in that: the end of said moving arcing contact is provided with the guided rings that cooperates with little arcing contact block.
5. dynamic/static contact coupling assembling according to claim 1 is characterized in that: said moving arcing contact one end is provided with the retaining edge that cooperates with the moving contact block.
6. high pressure isolation earthing switch; Comprise dynamic/static contact coupling assembling and driving mechanism thereof set in housing and the housing; The dynamic/static contact coupling assembling comprises the corresponding moving contact and the fixed contact of pegging graft and cooperating; It is characterized in that: said fixed contact comprises static contact seat, static contact finger and static contact seat central shaft to the quiet arc contact that is provided with, and said quiet arc contact has complete cylindric contact lever that extend vertically and circumferential; The center, end that said moving contact cooperates with static contact finger has the installing hole that extends vertically; Be provided with moving arcing contact in the said installing hole with the contact lever of the quiet arc contact hollow columnar that coaxial grafting cooperates when closing a floodgate; The external diameter of said quiet arc contact is less than the internal diameter of moving arcing contact, and quiet arc contact and moving arcing contact grafting contact matching; The end of said quiet arc contact contact lever is provided with the quiet contact that draws, and is provided with the little arcing contact of a column in the said moving arcing contact, is provided with the spring with little arcing contact roof pressure assembling in the installing hole.
7. high pressure isolation earthing switch according to claim 6 is characterized in that: be provided with insulation cushion between little arcing contact and the spring.
8. high pressure isolation earthing switch according to claim 7 is characterized in that: said little arcing contact outer peripheral face is provided with the groove that is provided with at interval, is provided with at least one power spring in the said groove.
9. according to claim 7 or 8 described high pressure isolation earthing switch, it is characterized in that: the end of said moving arcing contact is provided with the guided rings that cooperates with little arcing contact block.
10. high pressure isolation earthing switch according to claim 6 is characterized in that: said moving arcing contact one end is provided with the retaining edge that cooperates with the moving contact block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203281653U CN202268284U (en) | 2011-09-02 | 2011-09-02 | Moving and static contact connecting assembly and high voltage isolation grounding switch thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203281653U CN202268284U (en) | 2011-09-02 | 2011-09-02 | Moving and static contact connecting assembly and high voltage isolation grounding switch thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202268284U true CN202268284U (en) | 2012-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203281653U Expired - Lifetime CN202268284U (en) | 2011-09-02 | 2011-09-02 | Moving and static contact connecting assembly and high voltage isolation grounding switch thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202268284U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306559A (en) * | 2011-09-02 | 2012-01-04 | 平高集团有限公司 | Movable and static contact connection assembly and high-voltage isolation grounding switch |
| CN109872885A (en) * | 2017-12-04 | 2019-06-11 | 江苏大全封闭母线有限公司 | A kind of dynamic/static contact plug position-limit mechanism |
| CN110993431A (en) * | 2019-10-31 | 2020-04-10 | 特变电工中发上海高压开关有限公司 | Novel arc extinguishing contact structure of high-voltage switch SF6 gas arc extinguishing chamber |
| CN112701005A (en) * | 2020-12-07 | 2021-04-23 | 河南平高电气股份有限公司 | Combined electric connection and isolation grounding switch using same |
| CN114400170A (en) * | 2021-12-14 | 2022-04-26 | 河南平高电气股份有限公司 | Arc contact screwing wrench head of circuit breaker |
| CN114709092A (en) * | 2021-12-24 | 2022-07-05 | 平高集团有限公司 | Static contact, circuit breaker and gas insulated metal enclosed switchgear |
-
2011
- 2011-09-02 CN CN2011203281653U patent/CN202268284U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306559A (en) * | 2011-09-02 | 2012-01-04 | 平高集团有限公司 | Movable and static contact connection assembly and high-voltage isolation grounding switch |
| WO2013029334A1 (en) * | 2011-09-02 | 2013-03-07 | 平高集团有限公司 | Movable and static contact connection assembly and high-voltage isolation grounding switch |
| CN102306559B (en) * | 2011-09-02 | 2013-10-09 | 平高集团有限公司 | Movable and static contact connection assembly and high-voltage isolation grounding switch |
| CN109872885A (en) * | 2017-12-04 | 2019-06-11 | 江苏大全封闭母线有限公司 | A kind of dynamic/static contact plug position-limit mechanism |
| CN110993431A (en) * | 2019-10-31 | 2020-04-10 | 特变电工中发上海高压开关有限公司 | Novel arc extinguishing contact structure of high-voltage switch SF6 gas arc extinguishing chamber |
| CN112701005A (en) * | 2020-12-07 | 2021-04-23 | 河南平高电气股份有限公司 | Combined electric connection and isolation grounding switch using same |
| CN114400170A (en) * | 2021-12-14 | 2022-04-26 | 河南平高电气股份有限公司 | Arc contact screwing wrench head of circuit breaker |
| CN114400170B (en) * | 2021-12-14 | 2024-03-22 | 河南平高电气股份有限公司 | Arc contact screwing spanner head of circuit breaker |
| CN114709092A (en) * | 2021-12-24 | 2022-07-05 | 平高集团有限公司 | Static contact, circuit breaker and gas insulated metal enclosed switchgear |
| CN114709092B (en) * | 2021-12-24 | 2024-05-31 | 平高集团有限公司 | Static contact, circuit breaker and gas-insulated metal-enclosed switchgear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120606 Effective date of abandoning: 20131009 |
|
| RGAV | Abandon patent right to avoid regrant |