CN204361550U - A kind of solid all-insulated switch - Google Patents
A kind of solid all-insulated switch Download PDFInfo
- Publication number
- CN204361550U CN204361550U CN201420866138.5U CN201420866138U CN204361550U CN 204361550 U CN204361550 U CN 204361550U CN 201420866138 U CN201420866138 U CN 201420866138U CN 204361550 U CN204361550 U CN 204361550U
- Authority
- CN
- China
- Prior art keywords
- guide rod
- moving contact
- ground connection
- electrically connected
- insulated
- 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
Links
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
A kind of solid all-insulated switch, comprise mother, mother base guide rod, ground connection base, ground connection guide rod and electric cable accessories, it is characterized in that: also comprise double-station vacuum arc extinguishing chamber, insulated tension pole, operating mechanism, the first moving contact, the second moving contact, conductive link, under the state that the first moving contact and ground connection guide rod are electrically connected, second moving contact disconnects mutually with mother base guide rod, under the state that the second moving contact and mother base guide rod are electrically connected, the first moving contact disconnects mutually with ground connection guide rod.The vacuum interrupter of this solid insulation switch, insulated tension pole, the first moving contact, the second moving contact and conductive link insulation sealing is Switch main body part, under push-pull mechanism drives, while the first moving contact and ground connection guide rod can be made to be electrically connected, the second moving contact and mother base guide rod disconnect mutually, under isolation, by operating mechanism, closing operation is carried out to vacuum interrupter and make electric cable accessories ground connection, now can detect earth current, overhaul convenient, safety.
Description
Technical field
The utility model relates to a kind of power switch, especially relates to a kind of solid all-insulated switch.
Background technology
Power switch is the key equipment of electrical network, and mainly playing cut-offfing and protective effect of power transmission and transformation line, is one of critical component in relaying protection, plays the important function of distributing electric energy, protection controller switching equipment.Often there is following deficiency in existing power switch, first be that in the power switch of current use, major part is sulphur hexafloride circuit breaker, SF6 gas wherein brings serious pollution to environment, is classified as obsolete product by the World Health Organization, and China's power department is also progressively eliminating this product; Next is the ordinary solid insulation cabinet several years ago risen, although meet the direction of industry of country, and the problem had a power failure completely when current technology all exists product bug, coverage is wide, brings about great losses to power department and user; Moreover be that existing solid insulation drawer type switch contact is directly in atmosphere exposed, not only cause volume of switch large, nor safety.
As the improvement to above-mentioned existing power switch, the applicant has proposed a kind of small volume, environmentally safe and overhaul the drawer type solid all-insulated switch that do not have a power failure, this drawer type solid all-insulated switch comprises drawer, drawer room, drawout chassis and the line jockey be arranged on drawout chassis, drawout chassis is be fixed on the first drawout chassis on drawer room and the second drawout chassis, three station vacuum arc extinguish chambers are provided with in drawer, first moving contact and the second moving contact, first moving contact and the second moving contact synchronously plug cooperation along with the twitch of drawer is formed with the first drawout chassis and the second drawout chassis respectively, first drawout chassis and the first moving contact and described second drawout chassis and the second moving contact are equipped with can inserting respective current-carrying part is hidden in inner insulating case mutually, three station vacuum arc extinguish chambers include static conductive rod, moving conductive rod and earth terminal, earth terminal is electrically connected with the ground connection guide rod being located at drawer indoor, static conductive rod remains with described first moving contact and is electrically connected, moving conductive rod is electrically connected with the second described moving contact, also be provided with in drawer and described three station vacuum arc extinguish chambers are closed a floodgate, the operating mechanism of separating brake and ground connection operation.Although, this follow-on drawer type solid all-insulated switch tool has the following advantages: moving contact and corresponding drawout chassis due to this drawer type solid all-insulated switch are formed to plug and coordinate, and the first drawout chassis and the first moving contact and the second drawout chassis and the second moving contact are equipped with can inserting respective current-carrying part is hidden in inner insulating case mutually, thus the phase spacing of switch can be made little, volume of switch is little, and switch can be made to have combined floodgate by the cooperation of operating mechanism, separating brake, ground connection and isolation four kinds of states, easy and simple to handle, can not have a power failure and safeguard replacing, reduce the inconvenience and economic loss that have a power failure, and environmentally safe.But, also there is following defect: switch cannot carry out ground connection operation and test earth current under isolation, and the maintenance safety thus under isolation need to improve simultaneously.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned prior art present situation, provides a kind of and can test earth current under isolation, overhauls safer solid all-insulated switch.
The utility model solves the problems of the technologies described above adopted technical scheme: this solid all-insulated switch, comprise mother, mother base guide rod, ground connection base, ground connection guide rod and electric cable accessories, it is characterized in that: also include double-station vacuum arc extinguishing chamber, insulated tension pole, operating mechanism, first moving contact, second moving contact, conductive link, described double-station vacuum arc extinguishing chamber has moving conductive rod and static conductive rod, described insulated tension pole is connected with described moving conductive rod, described operating mechanism drive described insulated tension pole and and then described double-station vacuum arc extinguishing chamber is closed a floodgate and sub-switching operation, the first described moving contact forms grafting with described ground connection guide rod and coordinates, the second described moving contact forms grafting with described mother base guide rod and coordinates, described conductive link is connected electrically between the first described moving contact and the second moving contact, described electric cable accessories and described moving conductive rod are electrically connected, described double-station vacuum arc extinguishing chamber, insulated tension pole, first moving contact, the Switch main body part that second moving contact and conductive link insulation sealing are integrated, described Switch main body part entirety under push-pull mechanism drives moves around, and, under the state that described first moving contact and ground connection guide rod are electrically connected, described second moving contact disconnects mutually with mother base guide rod, under the state that described second moving contact and mother base guide rod are electrically connected, described first moving contact disconnects mutually with ground connection guide rod.
Preferably, described electric cable accessories insulation sealing is on described Switch main body part.Like this, can make between electric cable accessories and Switch main body part very close to each other, connecting surface between the two can not be adhered to by impurity such as dusts, thus effectively reduces creepage distance, uses safer.
Further preferably, described electric cable accessories comprises cable guide rod, connector, insulating plug and stress cone, the upper end of described cable guide rod is electrically connected by the first spring contact and described static conductive rod, longitudinal installing hole is had in the lower end of described cable guide rod, in described longitudinal installing hole, the second spring contact is installed, described connector is inserted described longitudinal installing hole from bottom to top and is electrically connected by described second spring contact and cable guide rod, described cable guide rod is positioned at above the second spring contact and has the first cross through hole, the correspondence position of described connector has the second cross through hole, described insulating plug has conducting end, described conducting end is through the first described cross through hole and the second cross through hole and be electrically connected with described cable guide rod, described stress cone to be arranged on described connector and to be positioned at the below of described cable guide rod, and, described cable guide rod, connector, insulating plug and stress cone insulation sealing are on described Switch main body part.After adopting said structure, only need to load onto the assembling that insulating plug just can complete the connector of electric cable accessories, thus make the assembling of electric cable accessories more convenient.
Further preferably, described first cross through hole is internal thread hole near the side of insulating plug, and described conducting end is shaped with external screw thread, and described conducting end is threaded on described internal thread hole.Like this, as long as rotating insulated plug just can complete the handling of the connector of electric cable accessories, operate very simple.
Further preferably, described double-station vacuum arc extinguishing chamber, insulated tension pole, the first moving contact, the second moving contact and conductive link are described Switch main body part by epoxy resins insulation sealing, described cable guide rod, connector, insulating plug and stress cone are by EPDM rubber-covered sealing on above-mentioned Switch main body part, and described mother, mother base guide rod, ground connection base and ground connection guide rod are integral by EPDM rubber-covered sealing.
Described push-pull mechanism can adopt various structures, preferably, described push-pull mechanism is a dolly that can move around along dolly connecting rod, described Switch main body part and the electric cable accessories be fixed on this Switch main body part are arranged on described dolly, and described operating mechanism is arranged on described dolly.
Preferred as above-mentioned either a program, the first described moving contact is electrically connected by the 3rd spring contact and described ground connection guide rod, and the second described moving contact is electrically connected by the 4th spring contact and described mother base guide rod.After adopting above-mentioned spring electric connection structure, can make between the first moving contact and ground connection guide rod and electrical connection between the second moving contact and mother base guide rod more reliable.
Compared with prior art, the utility model has the advantage of: due to the double-station vacuum arc extinguishing chamber of this solid insulation switch, insulated tension pole, first moving contact, the Switch main body part that second moving contact and conductive link insulation sealing are integrated, under the driving of push-pull mechanism, while the first moving contact and ground connection guide rod can be made to be electrically connected, the second moving contact and mother base guide rod disconnect mutually, and closing operation can also be carried out by operating mechanism to vacuum interrupter under this isolation, thus make electric cable accessories ground connection, now can detect earth current easily, convenient to reach maintenance, the object of safety.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment under "on" position;
Fig. 2 is the structural representation of the utility model embodiment under gate-dividing state;
Fig. 3 is the structural representation of the utility model embodiment under isolation;
Fig. 4 is the structural representation of the utility model embodiment under ground state;
Fig. 5 is the structural representation of the dolly in the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
As shown in Figures 1 to 5, the solid all-insulated switch in the present embodiment comprises the assemblies such as mother 1, mother base guide rod 2, ground connection base 3, ground connection guide rod 4, double-station vacuum arc extinguishing chamber 5, insulated tension pole 6, operating mechanism 7, first moving contact 8, second moving contact 9, conductive link 10, electric cable accessories b, dolly 16.Wherein, double-station vacuum arc extinguishing chamber 5 has moving conductive rod 51 and static conductive rod 52, insulated tension pole 6 is connected with moving conductive rod 51, and operating mechanism 7 to be arranged on dolly 16 and to drive insulated tension pole 6, insulated tension pole 6 and then close a floodgate and sub-switching operation to double-station vacuum arc extinguishing chamber 5.First moving contact 8 forms grafting with ground connection guide rod 4 and coordinates, second moving contact 9 forms grafting with mother base guide rod 2 and coordinates, and, first moving contact 8 is electrically connected with ground connection guide rod 4 by the 3rd spring contact 23, and the second moving contact 9 is electrically connected with mother base guide rod 2 by the 4th spring contact 24.Conductive link 10 is connected electrically between the first moving contact 8 and the second moving contact 9, thus the first moving contact 8 is remained with the second moving contact 9 be electrically connected.
Double-station vacuum arc extinguishing chamber 5, insulated tension pole 6, first moving contact 8, second moving contact 9 and conductive link 10 insulate the Switch main body part a that sealing is integrated, dolly 16 moves around along dolly connecting rod 15, and as the push-pull mechanism driving above-mentioned Switch main body part a entirety to move around.And, under the push-and-pull of dolly, under the state that the first moving contact 8 and ground connection guide rod 4 are electrically connected, the second moving contact 9 disconnects with mother base guide rod 2 phase, under the state that the second moving contact 9 and mother base guide rod 2 are electrically connected, the first moving contact 8 disconnects with ground connection guide rod 4 phase.
Electric cable accessories b insulate sealing on above-mentioned Switch main body part a, and electric cable accessories b and this Switch main body part a is all fixed on dolly 16 along with dolly 16 synchronizing moving back and forth.In the present embodiment, electric cable accessories b comprises cable guide rod 11, connector 12, insulating plug 13 and stress cone 14, wherein, the upper end of cable guide rod 11 is electrically connected with moving conductive rod 51 by the first spring contact 21, longitudinal installing hole is had in the lower end of cable guide rod 11, in longitudinal installing hole, be provided with the second spring contact 22, connector 12 is inserted longitudinal installing hole from bottom to top and is electrically connected with cable guide rod 11 by the second spring contact 22.Cable guide rod 11 is positioned at above the second spring contact 22 and has the first cross through hole, first cross through hole is internal thread hole near the side of insulating plug, the correspondence position of connector 12 has the second cross through hole, insulating plug 13 has conducting end 131, conducting end 31 is shaped with external screw thread, conducting end 131 is through the first cross through hole and the second cross through hole and be threaded on above-mentioned internal thread hole, thus be electrically connected with cable guide rod 11, and also play the effect be fixed on by connector 12 on cable guide rod 11 simultaneously.In addition, stress cone 14 to be arranged on connector 12 and to be positioned at the below of cable guide rod 11.
In addition, double-station vacuum arc extinguishing chamber 5 in the present embodiment, insulated tension pole 6, first moving contact 8, second moving contact 9 and conductive link 10 are Switch main body part a by epoxy resin 17 sealing that insulate, cable guide rod 11, connector 12, insulating plug 13 and stress cone 14 insulate sealing on above-mentioned Switch main body part a by EPDM rubber 18, and mother 1, mother base guide rod 2, ground connection base 3 and ground connection guide rod 4 are integral by EPDM rubber 18 sealing that insulate.
The operation principle of this solid all-insulated switch is as follows:
This solid all-insulated switch has combined floodgate, separating brake, isolation and ground connection four kinds of states.
When dolly 16 be pushed into the second moving contact 9 to be electrically connected with mother base guide rod 2 and the first moving contact 8 is separated with ground connection guide rod 4 time, operating mechanism 7 drives insulated tension pole 6, the moving conductive rod 51 of insulated tension pole 6 and then drive double-station vacuum arc extinguishing chamber 5, if make the moving conductive rod 51 of double-station vacuum arc extinguishing chamber 5 contact with each other with static conductive rod 52, then switch is in "on" position, if make the moving conductive rod 51 of double-station vacuum arc extinguishing chamber 5 be separated from each other with static conductive rod 52, then switch is in gate-dividing state;
When dolly 16 be drawn out to the first moving contact 8 to be electrically connected with ground connection guide rod 4 and the second moving contact 9 is separated with mother base guide rod 2 time, operating mechanism 7 drives insulated tension pole 6, the moving conductive rod 51 of insulated tension pole 6 and then drive double-station vacuum arc extinguishing chamber 5, if make the moving conductive rod 51 of double-station vacuum arc extinguishing chamber 5 be separated from each other with static conductive rod 52, then switch is in isolation, if make the moving conductive rod 51 of double-station vacuum arc extinguishing chamber 5 contact with each other with static conductive rod 52, then switch is in ground state.As can be seen here, this solid all-insulated switch has obvious breaking point under isolation, and after closing operation can being carried out by operating mechanism 7 pairs of double-station vacuum arc extinguishing chambers 5, electric cable accessories b ground connection can be made, now can detect earth current easily, to reach convenient, the safe object of maintenance.
Claims (7)
1. a solid all-insulated switch, comprise mother (1), mother base guide rod (2), ground connection base (3), ground connection guide rod (4) and electric cable accessories (b), it is characterized in that: also include double-station vacuum arc extinguishing chamber (5), insulated tension pole (6), operating mechanism (7), first moving contact (8), second moving contact (9), conductive link (10), described double-station vacuum arc extinguishing chamber (5) has moving conductive rod (51) and static conductive rod (52), described insulated tension pole (6) is connected with described moving conductive rod (51), described operating mechanism (7) drive described insulated tension pole (6) and and then described double-station vacuum arc extinguishing chamber (5) is closed a floodgate and sub-switching operation, described the first moving contact (8) forms grafting with described ground connection guide rod (4) and coordinates, described the second moving contact (9) forms grafting with described mother base guide rod (2) and coordinates, described conductive link (10) is connected electrically between described the first moving contact (8) and the second moving contact (9), described electric cable accessories (b) and described static conductive rod (52) are electrically connected, described double-station vacuum arc extinguishing chamber (5), insulated tension pole (6), first moving contact (8), Switch main body part (a) that second moving contact (9) and conductive link (10) insulation sealing are integrated, described Switch main body part (a) entirety under push-pull mechanism drives moves around, and, under the state that described first moving contact (8) and ground connection guide rod (4) are electrically connected, described second moving contact (9) disconnects mutually with mother base guide rod (2), under the state that described second moving contact (9) and mother base guide rod (2) are electrically connected, described first moving contact (8) disconnects mutually with ground connection guide rod (4).
2. solid all-insulated switch according to claim 1, is characterized in that: described electric cable accessories (b) insulate sealing on described Switch main body part (a).
3. solid all-insulated switch according to claim 2, it is characterized in that: described electric cable accessories (b) comprises cable guide rod (11), connector (12), insulating plug (13) and stress cone (14), the upper end of described cable guide rod (11) is electrically connected by the first spring contact (21) and described moving conductive rod (51), longitudinal installing hole is had in the lower end of described cable guide rod (11), second spring contact (22) is installed in described longitudinal installing hole, described connector (12) is inserted described longitudinal installing hole from bottom to top and is electrically connected by described second spring contact (22) and cable guide rod (11), the top that described cable guide rod (11) is positioned at the second spring contact (22) has the first cross through hole, the correspondence position of described connector has the second cross through hole, described insulating plug (13) has conducting end (131), described conducting end (131) is through the first described cross through hole and the second cross through hole and be electrically connected with described cable guide rod (11), described stress cone (14) is arranged on described connector (12) and goes up and the below being positioned at described cable guide rod (11), and, described cable guide rod (11), connector (12), insulating plug (13) and stress cone (14) insulation sealing are on described Switch main body part (a).
4. solid all-insulated switch according to claim 3, it is characterized in that: described first cross through hole is internal thread hole near the side of insulating plug (13), described conducting end (131) is shaped with external screw thread, and described conducting end (131) is threaded on described internal thread hole.
5. solid all-insulated switch according to claim 3, it is characterized in that: described double-station vacuum arc extinguishing chamber (5), insulated tension pole (6), first moving contact (8), second moving contact (9) and conductive link (10) are described Switch main body part (a) by epoxy resin (17) insulation sealing, described cable guide rod (11), connector (12), insulating plug (13) and stress cone (14) insulate sealing on above-mentioned Switch main body part (a) by EPDM rubber (18), described mother (1), mother base guide rod (2), ground connection base (3) and ground connection guide rod (4) are integral by EPDM rubber (18) insulation sealing.
6. solid all-insulated switch according to claim 2, it is characterized in that: described push-pull mechanism is a dolly (16) that can move around along dolly connecting rod (15), described Switch main body part (a) and the electric cable accessories (b) be fixed on this Switch main body part (a) are arranged on described dolly (16), and described operating mechanism (7) is arranged on described dolly (16).
7. the solid all-insulated switch according to claim arbitrary in claim 1 to 6, it is characterized in that: described the first moving contact (8) is electrically connected by the 3rd spring contact (23) and described ground connection guide rod (4), described the second moving contact (9) is electrically connected by the 4th spring contact (24) and described mother base guide rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420866138.5U CN204361550U (en) | 2014-12-30 | 2014-12-30 | A kind of solid all-insulated switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420866138.5U CN204361550U (en) | 2014-12-30 | 2014-12-30 | A kind of solid all-insulated switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204361550U true CN204361550U (en) | 2015-05-27 |
Family
ID=53262997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420866138.5U Expired - Fee Related CN204361550U (en) | 2014-12-30 | 2014-12-30 | A kind of solid all-insulated switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204361550U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111064111A (en) * | 2020-01-15 | 2020-04-24 | 云南电网有限责任公司电力科学研究院 | An inflatable switch cabinet |
| CN111487510A (en) * | 2019-01-28 | 2020-08-04 | 平高集团有限公司 | Insulating pull rod characteristic testing device |
-
2014
- 2014-12-30 CN CN201420866138.5U patent/CN204361550U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487510A (en) * | 2019-01-28 | 2020-08-04 | 平高集团有限公司 | Insulating pull rod characteristic testing device |
| CN111487510B (en) * | 2019-01-28 | 2022-11-22 | 平高集团有限公司 | Insulating pull rod characteristic testing device |
| CN111064111A (en) * | 2020-01-15 | 2020-04-24 | 云南电网有限责任公司电力科学研究院 | An inflatable switch cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202855605U (en) | Three-column horizontal double-fracture turnover-type outdoor high-voltage alternating-current disconnector | |
| CN201498869U (en) | Vacuum ring main unit | |
| CN203192672U (en) | Direct-acting three-position isolating switch | |
| CN204361550U (en) | A kind of solid all-insulated switch | |
| CN202839451U (en) | Vacuum arc extinguish chamber | |
| CN204102789U (en) | Piston type isolating switch | |
| CN203491177U (en) | Built-in isolating device of load switch on outdoor column | |
| CN104112999B (en) | A kind of solid insulation ring main unit | |
| CN204179553U (en) | A kind of drawer type solid all-insulated switch | |
| CN203134666U (en) | Solid-sealed polar pole and solid insulation ring main unit | |
| CN202205648U (en) | Totally-closed solid-sealed polar pole | |
| CN206516553U (en) | A kind of gas-insulated switchgear disconnecting switch | |
| CN201417898Y (en) | Outdoor high voltage cable branch box | |
| CN203339559U (en) | Multifunctional fixing sealing assembly with lower-grounding | |
| CN203135303U (en) | Environmentally-friendly gas-insulated vacuum sealed-type switch device | |
| CN202949199U (en) | Solid insulation busbar connection structure for connecting switch device and user side | |
| CN207338216U (en) | A kind of disconnecting switch of outdoor vacuum circuit breaker | |
| CN102176609A (en) | Vacuum arch-quenching final assembly chamber of console type alternative current intelligent switch cubicle | |
| CN202712031U (en) | Moving contact structure of 12kV three-position SF6 load switch | |
| CN202977287U (en) | Insulation pull bar structure | |
| CN203491590U (en) | Electrical switch control cabinet | |
| CN204102779U (en) | With the isolating switch of wedge shape seal | |
| CN203055773U (en) | Three-position vacuum interrupter | |
| CN203242554U (en) | Vacuum circuit breaker | |
| CN203119374U (en) | Miniaturized split solid insulation ring main unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20191230 |