CN2735613Y - Handheld high-voltage gas generating current conducting switch - Google Patents
Handheld high-voltage gas generating current conducting switch Download PDFInfo
- Publication number
- CN2735613Y CN2735613Y CN 200420036298 CN200420036298U CN2735613Y CN 2735613 Y CN2735613 Y CN 2735613Y CN 200420036298 CN200420036298 CN 200420036298 CN 200420036298 U CN200420036298 U CN 200420036298U CN 2735613 Y CN2735613 Y CN 2735613Y
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- CN
- China
- Prior art keywords
- contact
- insulating bar
- arc
- outer tube
- moving contact
- 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
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Abstract
The utility model discloses a handheld high-voltage gas generating current conducting switch, which is applicable to the operation of 12KV or lower powerline in rural-urban electric network and industrial and mining establishments. During operation, an earth wire 19 is previously connected to the earth, and then a hanging hook is placed on a high-voltage cable or a trolley wire. When switched on, the handheld high-voltage gas generating current conducting switch rotates 90 DEG and is locked on a locating piece 15 through a thrust handle 14, and a trigger 18 buckles automatically; when switched off, the thrust handle 14 is erected and the trigger 18 is buckled, and then a moving casing tube 13 turns back along a bush 12 to finish the switch-off program depending on the action of the draught spring 16. When switched off, a movable contact 7 is separated from a static contact 5, and residual current is provided between the static contact 5 and the movable contact 7 to generate strong arc light, and an arc-blowout ring pad 6 can generate enough arc-blowout gas to blow out the arc light; moreover, the bigger the arc light, the higher the temperature, and then the more the generated arc-blowout gas and the stronger the arc-blowout ability; furthermore, the handheld high-voltage gas generating current conducting switch can shortly connect residual compatibility on the high-voltage cable or the trolley wire to the earth through the earth wire 19 to ensure safe operation to an electric utility person.
Description
Technical field
The utility model relates to a kind of hand-hold type high pressure aerogenesis drainage switch that is applied to urban and rural power grids, 12 kilovolts of industrial and mining enterprises and following transmission line operation, belongs to the H02G1/02 class.
Background technology
Before the utility model, the drainage earth connection that is applied to urban and rural power grids, 12 kilovolts of industrial and mining enterprises and following transmission line is fairly simple.For preventing that the operating personnel gets an electric shock to guarantee personal safety because of operate miss causes on the line, ad hoc have a drainage earth connection, but the weak point of these drainage earth connections is: when the drainage earth connection can produce electric arc when being affiliated to ultra-high-tension power transmission line, long bigger apart from the capacity current on the ultra-high-tension power transmission line, the arclight that produces is also big, can injure the online assignment personnel when serious.
Summary of the invention
It is a kind of simple in structure, easy to operate, practical that task to be solved in the utility model is to provide, the length that can connect the operation of waiting to have a power failure is safely guaranteed the hand-hold type high pressure aerogenesis drainage switch that the electrician operating personnel can use safely apart from ultra-high-tension power transmission line, the capacity current on the ultra-high-tension power transmission line reliably can be discharged again on ultra-high-tension power transmission line.
For guaranteeing the realization of above-mentioned task, the technical solution adopted in the utility model is: fixed contact and moving contact are set, the filler layer overlapping blow-out ring pad of red steel paper plate around fixed contact and the moving contact in Contact Cover in Contact Cover.Link with screw between protecgulum and the Contact Cover, hook is housed on protecgulum.Hook is communicated with current by flexible link with fixed contact, moving contact and insulating bar are connected as a single entity with screw thread, are wound with annular lead wire on insulating bar, and insulating bar moves back and forth in lining, lining cements in the overcoat, and outer tube is connected with the threaded one end of Contact Cover.Side at outer tube is equipped with binding post, and one of annular lead wire is connected on the binding post, and its other end is connected in an end of moving contact and insulating bar touching position, also is connected with earth connection on binding post.Mobile sleeve pipe is assemblied in the other end of insulating bar, and keeper is housed on the outer tube, and the thrust handle places the front end half-twist locking of keeper when switch closes a floodgate.And be manufactured with trigger at the opposite side of keeper.End at outer tube is equipped with position, back cap, between back position cap and insulating bar tension spring is arranged.
Adopt hand-hold type high pressure aerogenesis drainage switch that as above technical scheme provides compared with prior art, its characteristics are:
1, applicability is wide, is not only applicable to rural power grids, also is applicable to 12 kilovolts of industrial and mining enterprises and following transmission line operation, is applicable to open-air long operation apart from ultra-high-tension power transmission line especially;
2, can guarantee the safety of the electrician operating personnel person and equipment;
3, cocking has the tension spring effect, guarantees opening velocity;
4, blow-out ring pad produces enough blow-out gas for the separating brake arc light;
5, by being flexible coupling and reaction spring provides overtravel for switch.
Description of drawings
Fig. 1 is the cross-sectional schematic of hand-hold type high pressure aerogenesis drainage switch described in the utility model, also is specification digest accompanying drawing of the present utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
As shown in drawings, 1 is hook, and 2 is screw, and 3 is reaction spring, 4 is flexible link, and 5 is fixed contact, and 6 are blow-out ring pad, and 7 is moving contact, 8 is Contact Cover, and 9 is outer tube, and 10 is insulating bar, and 11 is annular lead wire, 12 is lining, and 13 is mobile sleeve pipe, and 14 is the thrust handle, and 15 is keeper, 16 is tension spring, and 17 is position, back cap, and 18 is trigger, 19 is earth connection, and 20 is binding post, and 21 is protecgulum.Fixed contact 5 and moving contact 7 are contained in the Contact Cover 8, and fixed contact 5 and the contact-making surface of moving contact 7 be the dimpling type and form point and contact, and moving contact 7 is threaded with insulating bar 10 usefulness, the formation one.Reaction spring 3 is arranged on the inner chamber of 8 one of Contact Cover and leans on mutually with the top board of fixed contact 5, and reaction spring 3 provides overtravel when closing a floodgate for moving contact 7, guarantees that moving contact 7 and fixed contact 5 contacts are reliable.In Contact Cover 8, install several layers between fixed contact 5 and the moving contact 7 with the overlapping blow-out ring pad 6 of red steel paper plate, blow-out ring pad 6 can produce blow-out gas under HTHP.Protecgulum 21 links with screw 2 with the termination of Contact Cover 8, and hook 1 is connected in the center of protecgulum 21, between the top board of protecgulum 21 and fixed contact 5 flexible link 4 is arranged.To link up with 1 during operation and hang on the ultra-high-tension power transmission line for the treatment of operation, and link up with bounce-back sheet on 1 and can guarantee to link up with 1 and be hung on restfully on the charged operation power transmission line.Annular lead wire 11 is on insulating bar 10, and of annular lead wire 11 is connected with binding post 19, and the other end of annular lead wire 11 is connected between moving contact 7 and the insulating bar 10.Lining 12 cements in the inwall of outer tube 9, and outer tube 9 is shells of aerogenesis drainage switch, and mobile sleeve pipe 13 moves in lining 12 with insulating bar 10.One of outer tube 9 is threaded with Contact Cover 8.One of mobile sleeve pipe 13 contacts with an end of insulating bar 10.Binding post 20 is installed in the below of outer tube 9.Keeper 15 cements on the outer tube 9, and mobile sleeve pipe 13 depends on insulating bar 10 and regulates the Operation Centre.Thrust handle 14 is according on keeper 15, and motion and 15 lockings of dependence keeper in keeper 15.The opposite side of keeper 15 has trigger 18.Thrust handle 14 can be according to the double locking of operation needs.The tail end of outer tube 9 is equipped with position, back cap 17, and linking between an end of back position cap 17 and insulating bar 10 has tension spring 16.Because the effect of tension spring 16 makes mobile sleeve pipe 13 can drive moving contact 7 quick acting switching-offs with insulating bar 10.
During enforcement, operating personnel can be suspended to three hand-hold type high pressure aerogenesis drainage switches on the high pressure three phase line of (or being placed into) Awaiting Overhaul.Set upright thrust handle 14, and promote thrust handle 14 fast and make and produce the drainage switch and close a floodgate, the circuit capacity current is introduced ground; Set upright thrust handle 14 during separating brake, fasten trigger 18 with hand simultaneously, make the snap close in the trigger 18 also leave mobile sleeve pipe 13, because the effect of keeper 15 and tension spring 16, mobile sleeve pipe 13 and insulating bar 10 are moved (as shown in the figure) backward, mobile sleeve pipe 13 and insulating bar 10 be motion backward also, because of insulating bar 10 directly is connected as a single entity with moving contact 7, so moving contact 7 joins with fixed contact 5 conflicts.Because the effect of reaction spring 3 makes fixed contact 5 and moving contact 7 that enough overtravels be arranged, make and close a floodgate reliably simultaneously.Thisly along lining 12 mobile sleeve pipe 13 and insulating bar 10 are pushed ahead by thrust handle 14 to be combined floodgate.Capacity current is through the annular lead wire 11 on insulating bar 10 at this moment, and 19 short circuits of the earth connection on binding post 20 are in ground again.This " combined floodgate " can not produce arclight on hand-hold type high pressure aerogenesis drainage switch.On the contrary, set upright thrust handle 14, unclamp trigger 18, make snap closes in the trigger 18 leave mobile sleeve pipe 13 and insulating bar 10 by trigger 18 and rely on the tension of tension spring 16, mobile sleeve pipe 13 and insulating bar 10 are moved to back as shown in the figure, make moving contact 7 and insulating bar 10 also to the back motion, this moment, moving contact 7 did not contact with fixed contact 5.This because moving contact 7 and insulating bar 10, binding post 20 and annular lead wire 11 make lining 12 and mobile sleeve pipe 13 move to the back and are separating brake.Have certain residual current when making separating brake and between fixed contact 5 and moving contact 7, will produce more powerful arclight.Because be filled with the several layers of blow-out ring pad 6 with the stack of red steel paper sheet between in fixed contact 5, moving contact 7 and Contact Cover 8, these blow-out ring pads 6 can produce enough blow-out gas.Arclight is big more, and the blow-out gas of the high more generation of ambient temperature is just many more, and blow-out gas can extinguish the arclight that residual current produces.
Claims (2)
1, a kind of hand-hold type high pressure aerogenesis drainage switch, it is characterized in that: by hook (1), reaction spring (3), fixed contact (5), Contact Cover (8), moving contact (7), insulating bar (10), outer tube (9), lining (12), mobile sleeve pipe (13), thrust handle (14), keeper (15), tension spring (16), position, back cap (17), trigger (18) and protecgulum (21) are formed, fixed contact (5) and moving contact (7) are in Contact Cover (8), overlapping blow-out ring pad (6) is installed between fixed contact (5) and the moving contact (7) in Contact Cover (8), reaction spring (3) is arranged on the inner chamber of (8) one of Contact Cover and leans on mutually with the top board of fixed contact (5), protecgulum (21) links with screw (12) with the termination of Contact Cover (8), and hook (1) is connected in the center of protecgulum (21); End with moving contact (7) of insulating bar (10) is threaded, and the other end headgear of insulating bar (10) is equipped with mobile sleeve pipe (13); Annular lead wire (11) is on insulating bar (10), and its one connects terminal (20), and the other end is connected between moving contact (7) and the insulating bar (10); Lining (12) cements in outer tube (9) inwall; One of outer tube (9) is threaded with Contact Cover (8), and its tail end is equipped with position, back cap (17), and binding post (20) is installed in the below of outer tube (9); Keeper (15) cements on the outer tube (9), and thrust handle (14) is according on keeper (15), and keeper (15) opposite side has trigger (18), and two of tension spring (16) links back position cap (17) and insulating bar (10).
2, hand-hold type high pressure aerogenesis drainage switch according to claim 1 is characterized in that: fixed contact (5) is the dimpling type with moving contact (7) contact-making surface each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420036298 CN2735613Y (en) | 2004-06-25 | 2004-06-25 | Handheld high-voltage gas generating current conducting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420036298 CN2735613Y (en) | 2004-06-25 | 2004-06-25 | Handheld high-voltage gas generating current conducting switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2735613Y true CN2735613Y (en) | 2005-10-19 |
Family
ID=35265474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420036298 Expired - Fee Related CN2735613Y (en) | 2004-06-25 | 2004-06-25 | Handheld high-voltage gas generating current conducting switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2735613Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091704A (en) * | 2014-06-30 | 2014-10-08 | 深圳供电局有限公司 | Spring power self-locking device of arc extinction switch |
| CN104112611A (en) * | 2013-04-22 | 2014-10-22 | 江苏省电力公司常州供电公司 | Portable single-phase air bypass switch |
| CN109859983A (en) * | 2018-12-29 | 2019-06-07 | 国网河南省电力公司新乡供电公司 | A kind of 10 KV hot-line work arc-extinction devices |
-
2004
- 2004-06-25 CN CN 200420036298 patent/CN2735613Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112611A (en) * | 2013-04-22 | 2014-10-22 | 江苏省电力公司常州供电公司 | Portable single-phase air bypass switch |
| CN105206441A (en) * | 2013-04-22 | 2015-12-30 | 江苏省电力公司常州供电公司 | Easy-to-maintain single-phase air bypass switch |
| CN104112611B (en) * | 2013-04-22 | 2016-01-20 | 江苏省电力公司常州供电公司 | Portable single-phase air bypass switch |
| CN105280406A (en) * | 2013-04-22 | 2016-01-27 | 江苏省电力公司常州供电公司 | Safe-to-use single phase air by-pass switch |
| CN105206441B (en) * | 2013-04-22 | 2017-07-18 | 国网江苏省电力公司常州供电公司 | The single-phase air bypass switch of easy care |
| CN105280406B (en) * | 2013-04-22 | 2017-10-17 | 国网江苏省电力公司常州供电公司 | Switched using the single-phase air bypass of safety |
| CN104091704A (en) * | 2014-06-30 | 2014-10-08 | 深圳供电局有限公司 | Spring power self-locking device of arc extinction switch |
| CN104091704B (en) * | 2014-06-30 | 2016-08-17 | 深圳供电局有限公司 | A kind of crowbar switch spring powered self-locking device |
| CN109859983A (en) * | 2018-12-29 | 2019-06-07 | 国网河南省电力公司新乡供电公司 | A kind of 10 KV hot-line work arc-extinction devices |
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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: 20051019 |