CN201263054Y - Epoxy pouring solid insulation dual-isolation switch - Google Patents
Epoxy pouring solid insulation dual-isolation switch Download PDFInfo
- Publication number
- CN201263054Y CN201263054Y CNU2008202180954U CN200820218095U CN201263054Y CN 201263054 Y CN201263054 Y CN 201263054Y CN U2008202180954 U CNU2008202180954 U CN U2008202180954U CN 200820218095 U CN200820218095 U CN 200820218095U CN 201263054 Y CN201263054 Y CN 201263054Y
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Abstract
The utility model discloses an oxygen casting solid double insulated switchgear which comprises three uniform switch bodies arranged in a shell body. The switch body comprises a vacuum arc distinguishing chamber and two identical upper and lower isolating switches; the upper isolating switch, the vacuum arc distinguishing chamber and the lower isolating switch are mutually and fixedly connected. The upper isolating switch is positioned above the vacuum arc distinguishing chamber while the lower isolating switch is positioned under the vacuum arc distinguishing chamber and has the horizontal installation direction the same as that of the upper isolating switch and the vertical installation direction opposite to that of the upper isolating switch. The insulated switchgear has reasonable design, extremely high electrical safety performance, small volume, light weight, stable performance, reliable movement as well as extremely strong practicality and advancement, thus being a strong guarantee for power distribution reliability and also a precondition for reducing user investment.
Description
Technical field
The utility model relates to the power high voltage switch, concrete is the epoxy pouring solid insulation switch with double-isolation of all insulation.
Background technology
Power switch is one of key equipment of power supply industry; be used for the protection of the safe operation of power station generating set; serve as the switch of power transmission and transformation line; it is one of critical component in the relaying protection; play safety and send the effect of electricity; mine, oil field, enterprise serve as the equipment of industrial power distribution and electric traction, and in view of this power switch plays the important function of distributing electric energy, protection controller switching equipment.
The power switch of current use and switch cubicle volume matching used with it are comparatively bigger than normal, and use SF6 gas in a large number, can to environment bring serious pollution, with regard to poor expandability of power switch itself, install also inconvenient, sometimes because of the restriction of installation site, the actual installation of power switch and switch cubicle or replacing all have certain degree of difficulty.Also because factors such as insulation property, material material, environment for use make power switch and switch cubicle reliability relatively poor, thereby manufacturing cost and operation expense are increased greatly.
Present switchgear is in order to improve user's power supply reliability and power supply quality, determined that the electrical network equipment is to no oiling, high security, high reliability, miniaturization, integrated direction development, simplify electric pressure, build dual-ring network, make high voltage go deep into load center, strengthen the technical scheme of city web frame.Therefore, need a kind of switch of all insulation and switch cubicle should have all insulation, compact conformation, volume little, can expand, requirement that performance that round-the-clock, easy for installation, Maintenance free, compliance with environmental protection requirements etc. are superior and characteristics satisfy city, rural power grids power supply.
Summary of the invention
The purpose of this utility model be bigger than normal at current high-voltage switch gear and switch cubicle volume, use SF6 gas arc extinguishing to bring severe contamination, poor expandability, installation inconvenience, poor reliability to environment, and problems such as manufacturing cost and operation expense height, and a kind of compact conformation is provided, volume is little, operation expense is low, be not subjected to running environment to influence, can obviously reduce electric power facility investment and reduce epoxy pouring solid insulation switch with double-isolation defeated, feeder circuit loss.
Above-mentioned purpose is achieved through the following technical solutions:
Epoxy pouring solid insulation switch with double-isolation comprises housing and is installed in the housing Switch main body identical with interchange A, B, corresponding three structures of C three-phase and the operating mechanism of three finished parts;
Described Switch main body comprises vacuum explosion-chamber cabin and two upper and lower isolating switches that structure is identical; Last isolating switch, vacuum explosion-chamber cabin and following isolating switch are mutually permanently connected, last isolating switch be positioned at vacuum explosion-chamber cabin above, following isolating switch be positioned at vacuum explosion-chamber cabin below, and horizontal installation direction is identical with last isolating switch, vertical installation direction is relative with last isolating switch;
Upper and lower isolating switch comprises upper and lower bus contact, upper and lower isolation moving contact, upper and lower grounding contact, upper and lower insulating contact, upper and lower middle contact; Described upper and lower bus contact lays respectively at the top of upper and lower isolating switch, and the bottom of upper and lower bus contact is provided with upper and lower busbar, and fixedlys connected with an end of upper and lower busbar, and the other end of upper and lower busbar is fixedlyed connected with upper and lower insulating contact;
The bottom, two ends of upper and lower isolating switch fixedly is equiped with upper and lower grounding contact and upper and lower insulating contact respectively, the bottom of upper and lower isolating switch middle part fixedly is equiped with upper and lower middle contact, the bottom of upper and lower insulating contact, upper and lower middle contact and upper and lower grounding contact is respectively arranged with the identical contact base of structure, three contact bases of same isolating switch are positioned at same horizontal line, and the center of contact base is respectively equipped with the slip guide hole; Be equiped with commercially available finished parts watch chain fingertip in the slip guide hole, a upper and lower leading screw is set respectively in the slip guide hole of the contact base of upper and lower isolating switch, the front end of leading screw connects with the empire silk box thread, and the rear end of leading screw and finished parts operating mechanism link;
Above-mentioned upper and lower isolation moving contact is just as tubulose, the center of upper and lower isolation moving contact is provided with through hole, one end of upper and lower isolation moving contact correspondence respectively is provided with upper and lower insulation screw, upper and lower isolation moving contact is fixedlyed connected with the insulation screw respectively, and two empire silk mother stocks are not set on the upper and lower leading screw and with leading screw and are rotationally connected; The two ends of upper and lower isolation moving contact corresponding respectively with upper and lower insulating contact and upper and lower in the middle of watch chain fingertip elastic tight in the slip guide hole on the contact base of contact contact or with the rotation of upper and lower leading screw distinguish corresponding and upper and lower in the middle of watch chain fingertip elastic tight in the slip guide hole on the contact base of contact and upper and lower grounding contact contact;
Above-mentioned upper and lower isolating switch, upper and lower grounding contact, upper and lower bus contact, upper and lower insulating contact and upper and lower middle contact pour into the identical switch with double-isolation of upper and lower structure of hermetically sealed integrative-structure respectively with epoxy resin by known technology;
Described vacuum explosion-chamber cabin comprises vacuum interrupter and insulated tension pole; The rear end of insulated tension pole is connected with the rotatable parts of the operating mechanism that is positioned at the Switch main body right-hand member, the front end of insulated tension pole is connected with the moved end of vacuum interrupter, simultaneously with on draw an end that is flexible coupling and be fastenedly connected, on draw the other end that is flexible coupling and the contact base of last centre contact the bottom be fastenedly connected; The quiet end of vacuum interrupter moved end and vacuum interrupter is positioned at the two ends of vacuum interrupter; The quiet end of vacuum interrupter is fixedlyed connected with an end that draws busbar down, and the other end that draws busbar is down fixedlyed connected with following outlet contact;
Upper and lower isolating switch has combined floodgate, separating brake and three kinds of configuration states of ground connection, ground state designs for this isolating switch is in a safe condition, ground state is: isolate moving contact and rotate and move backward always along with leading screw, the front end of final isolation moving contact contacts with the watch chain fingertip in the middle contact, the interior watch chain fingertip of the rear end that isolates moving contact and the contact base of grounding contact contacts, and finishes the ground connection process.
Above-mentioned Switch main body adopts epoxy casting to make.
The principle of epoxy pouring solid insulation switch with double-isolation and working procedure:
Epoxy pouring solid insulation switch with double-isolation totally adopts the haplotype modular construction, sees shown in the accompanying drawing 1.Top is the last isolating switch of inlet wire, and the bottom is the following isolating switch of cable output, and the structural form of switch with double-isolation is convenient but also safety not only.
This switch inlet wire mode is flexible, if inlet wire in the employing, AC power A, B, C three-phase bus (also can be the grafting of cable), with one is that example is described below mutually: the Up Highway UHW contact of current delivery being given last isolating switch by the cable imported unit, through the Up Highway UHW contact to last insulating contact, if last isolating switch closes state in the pass, electric current from last insulating contact through last isolation moving contact contact in the middle of last, the electric current of contact output passes to the vacuum interrupter moved end in the middle of last through being flexible coupling, by the control of operating mechanism, make the moved end of vacuum interrupter and quiet end divide to open or close and close.If vacuum interrupter closes state in the pass, pass to down through drawing busbar contact in the middle of down down that isolation is middle lifts one's head from the electric current of the quiet end output of vacuum interrupter, if following isolating switch closes state in the pass, electric current is delivered to down through down middle contact isolates moving contact, arrive the following insulating contact of isolating switch down by isolating moving contact down then, export the Down Highway contact to, the Down Highway contact sends electric current to cable, receive external electric equipment, finally form the galvanic circle.
If adopt inlet wire down, the current flowing order is opposite with last inlet wire.AC power A, B, C three-phase bus (also can be the grafting of cable), with one is that example is described below mutually, source current is given the Down Highway contact of isolating switch down by the cable imported unit with current delivery, arrive insulating contact down through the Down Highway contact, if following isolating switch closes state in the pass, electric current is by contact in the middle of the isolation moving contact arrives down down, in the middle of following the electric current of contact output under draw busbar, by under draw busbar to the quiet end of vacuum interrupter, by the control of operating mechanism, make the moved end of vacuum interrupter and quiet end divide to open or close and close.If vacuum interrupter closes state in the pass, the electric current of exporting from the moved end of vacuum interrupter passes to the middle contact of isolating switch through being flexible coupling, if last isolating switch is in the state that closes that closes, electric current is the supreme isolation moving contact of contact in the middle of last isolation, then by last isolation moving contact to last insulating contact, export the Up Highway UHW contact to, the Up Highway UHW contact sends electric current to feed-out cable, receive external electric equipment, finally form the galvanic circle.
Characteristics of the present utility model:
1, the utility model is to adopt poured with epoxy resin all insulation equipment, and the surrounding environment influence that is not subjected in service is not subjected to condensation and filthy influence.
2, the utlity model has high electrical safety performance, switch cut-offs and does not exist during accident such as the electric current that is short-circuited the possibility of blast.
3, insulation of the present utility model is to adopt the good poured with epoxy resin of hydrophobicity, does not have the danger that gas and liquid are revealed, and can not pollute to environment.
4, the utility model switch adopts the epoxy sealing cavity, and sealing is not influenced by outside air.
5, the utlity model has two isolating switches, can form two isolation fractures, promptly upper and lower insulating contact and the corresponding spacing of upper and lower middle contact.
6, the inlet wire mode is flexible, can go up inlet wire, also can following inlet wire.
7, the utility model isolating switch has combined floodgate, separating brake and three kinds of states of ground connection.
8, the utility model isolating switch grounding contact, middle contact, insulating contact, bus contact are positioned on the same Switch main body, one-time cast-forming, fully guarantee the proper alignment of its three contact, the watch chain fingertip elastic tight that makes reliable transmission, isolates in the slip guide hole on moving contact and the contact base contact, contacts reliably.
9, the utility model adopts the insulation lead screw transmission, stable drive, accurate, noiselessness, owing to isolate the transmission of moving contact straight line, isolate and adopt cast to peg graft between the watch chain fingertip in moving contact and the contact base simultaneously, this kind structure improves a lot to the tolerance dynamic and thermal stability performance of power product.
10, isolation moving contact of the present utility model adopts tubular structure, and the isolation moving contact ampacity of this kind structure is big, perfect heat-dissipating.
11, the utility model vacuum interrupter, draw busbar, down outlet contact and Switch main body one-time cast-forming down.
The utility model is reasonable in design, manufacture process is comparatively simple, volume is little, in light weight, stable performance, reliable in action, no matter aspect the economy or on electric product is used, all have extremely strong practicality and advance, have high electrical safety performance, be the strong assurance of power supply reliability, also be the precondition that reduces customer investment.
Need to prove: under the prerequisite that does not change the utility model principle and design, change of having done or distortion all belong to protection range of the present utility model.
Description of drawings
Fig. 1 is an internal structure schematic diagram of the present utility model.
Fig. 2 is the utility model bus-bar room schematic top plan view.
Embodiment
Embodiment
The manufacturing of epoxy pouring solid insulation switch with double-isolation has very strong technical and manufacturability with installation, and the housing 1 that the utility model is processed into by sheet metal is isolated with surrounding environment, plays protection and buffer action.Shown in accompanying drawing 1,2.
Epoxy pouring solid insulation switch with double-isolation comprises housing 1 and is installed in the housing 1 Switch main body 33 identical with interchange A, B, corresponding three structures of C three-phase and the operating mechanism 10 of three finished parts;
Switch main body 33 comprises vacuum explosion-chamber cabin 12 and two upper and lower isolating switches 2 and 18 that structure is identical; Last isolating switch 2, vacuum explosion-chamber cabin 12 and following isolating switch 18 are mutually permanently connected, last isolating switch 2 be positioned at vacuum explosion-chamber cabin 12 above, following isolating switch 18 be positioned at vacuum explosion-chamber cabin 12 below, and horizontal installation direction is identical with last isolating switch 2, and vertical installation direction is relative with last isolating switch 2;
Upper and lower isolating switch 2 and 18 comprises upper and lower bus contact 32 and 22, upper and lower isolation moving contact 4 and 20, upper and lower grounding contact 11 and 14, upper and lower insulating contact 30 and 24, upper and lower middle contact 6 and 17; Upper and lower bus contact 32 and 22 lays respectively at the top of upper and lower isolating switch 2 and 18, upper and lower bus contact 32 and 22 bottom are respectively equipped with upper and lower busbar 31 and 23, upper and lower busbar 31 is fixedlyed connected with 22 with upper and lower bus contact 32 with 23 end difference is corresponding, and upper and lower busbar 31 is fixedlyed connected with 24 with upper and lower insulating contact 30 with 23 other end difference is corresponding;
Corresponding respectively upper and lower grounding contact 11,14 and the upper and lower insulating contact 30,24 of fixedly being equiped with in upper and lower isolating switch 2 and 18 bottom, two ends, the bottom of upper and lower isolating switch 2 and 18 middle part fixedly is equiped with upper and lower centre contact 6 and 17 respectively; Last insulating contact 30, go up in the middle of contact 6, go up grounding contact 11 and following insulating contact 24, down in the middle of the bottom of contact 17, following grounding contact 11 be respectively arranged with identical upper contact head base 29 of structure and following contact base 25, same go up isolating switch 2 or down three contact bases 29 or 25 of isolating switch 18 be positioned at same horizontal line, upper and lower contact base 29 and 25 center are respectively equipped with upper and lower slip guide hole 34 and 13; Be equiped with commercially available finished parts watch chain fingertip in the upper and lower slip guide hole 34 and 13, be respectively arranged with upper and lower leading screw 9 and 15 in the upper and lower slip guide hole 34 and 13, upper and lower leading screw 9 and 15 front end respectively with upper and lower insulation screw 7 and 16 thread connection, upper and lower leading screw 9 and 15 rear end are set to rotate the termination;
Above-mentioned upper and lower isolation moving contact 4 and 20 is just as tubulose, upper and lower isolation moving contact 4 and 20 center are respectively arranged with upper and lower through hole 3 and 21, upper and lower isolation moving contact 4 is fixedlyed connected with 16 with upper and lower insulation screw 7 respectively with an end of 20, two insulation screws 7 and 16 be set in respectively on upper and lower leading screw 9 and 15 and respectively with upper and lower leading screw 9 and 15 corresponding being rotationally connected; The two ends of last isolation moving contact 4 respectively with last insulating contact 4 and last in the middle of watch chain fingertip elastic tight in the last slip guide hole 34 of contact base 29 of contact 6 contact or contact with watch chain fingertip elastic tight in the slip guide hole 13 of last centre contact 6 and last grounding contact 11 respectively with the rotation of last leading screw 9; Synchronous therewith, the two ends of following isolation moving contact 20 respectively with following insulating contact 24 and down the watch chain fingertip elastic tight in the lower slider guide hole 13 on the following contact base 25 of contact 17 contact or with the rotation of following leading screw 15 respectively with the contact base 25 of following middle contact 17 and following grounding contact 14 on slip guide hole 13 in watch chain fingertip elastic tight contact; This be close a floodgate, separating brake has been so that the operating process of ground connection has had this earthing mode and operation, can make the maintainer safer.
Above-mentioned upper and lower isolating switch 2 and 18, upper and lower grounding contact 11 and 14, upper and lower bus contact 32 and 22, upper and lower insulating contact 30 with 24 with upper and lower in the middle of contact 6 pour into the identical switch with double-isolation of upper and lower structure of hermetically sealed one with 17 respectively with epoxy resin by known technology;
Described vacuum explosion-chamber cabin 12 comprises vacuum interrupter 28 and insulated tension pole 8; The rear end of insulated tension pole 8 is connected with the rotatable parts of the operating mechanism 10 that is positioned at Switch main body 33 right-hand members, the front end of insulated tension pole 8 is connected with the moved end 19 of vacuum interrupter 28, simultaneously with on draw 5 the end of being flexible coupling and be fastenedly connected, on draw be flexible coupling 5 the other end and the contact base 29 of last centre contact 6 the bottom be fastenedly connected; The moved end 19 and the quiet end 27 of vacuum interrupter 28 is positioned at the two ends of vacuum interrupter 28; The quiet end 27 of vacuum interrupter 28 is fixedlyed connected with an end that draws copper bar 26 down, and the other end that draws copper bar 26 is down fixedlyed connected with down middle contact 17;
Upper and lower isolating switch 2 and 18 has combined floodgate, separating brake and three kinds of states of ground connection, ground state designs for this isolating switch is in a safe condition, ground state is: upper and lower isolation moving contact 4 and 20 is along with upper and lower leading screw 9 and 15 rotates and moves backward always, final upper and lower isolation moving contact 4 and 20 front end with last in the middle of contact and down in the middle of watch chain fingertips in the contact 17 contact, upper and lower isolation moving contact 4 and 20 rear end contact with watch chain fingertip in upper and lower grounding contact 11 and 14, and finish the ground connection process.
Above-mentioned Switch main body 33 adopts epoxy casting to make.
Claims (2)
1, epoxy pouring solid insulation switch with double-isolation comprises housing (1) and is installed in the housing (1) and interchange A, B, Switch main body (33) and three operating mechanisms (10) that corresponding three structures of C three-phase are identical; It is characterized in that:
Described Switch main body (33) comprises vacuum explosion-chamber cabin (12) and two upper and lower isolating switch (2) and (18) that structure is identical; Last isolating switch (2), vacuum explosion-chamber cabin (12) and following isolating switch (18) are mutually permanently connected, last isolating switch (2) be positioned at vacuum explosion-chamber cabin (12) above, following isolating switch (18) be positioned at vacuum explosion-chamber cabin (12) below, and horizontal installation direction is identical with last isolating switch (2), and vertical installation direction is relative with last isolating switch (2);
Upper and lower isolating switch (2) and (18) comprise upper and lower bus contact (32) and (22), upper and lower isolation moving contact (4) and (20), upper and lower grounding contact (11) and (14), upper and lower insulating contact (30) and (24), upper and lower middle contact (6) and (17); Described upper and lower bus contact (32) and (22) lay respectively at the top of upper and lower isolating switch (2) and (18), the bottom of upper and lower bus contact (32) and (22) is respectively equipped with upper and lower busbar (31) and (23), one end of upper and lower busbar (31) and (23) is fixedlyed connected with (22) with upper and lower bus contact (32) respectively, and the other end of upper and lower busbar (31) and (23) is fixedlyed connected with (24) with upper and lower insulating contact (30) respectively;
Corresponding respectively upper and lower grounding contact (11), (14) and upper and lower insulating contact (30), (24) of fixedly being equiped with, the bottom, two ends of upper and lower isolating switch (2) and (18), the middle part of upper and lower isolating switch (2) and (18) fixedly is equiped with upper and lower middle contact (6) and (17) respectively; Last insulating contact (30), go up in the middle of contact (6), the bottom of going up grounding contact (11) and following insulating contact (24), down middle contact (17), following grounding contact (11) be respectively arranged with identical upper contact head base (29) of structure and following contact base (25), same three contact bases (29) or (25) of going up isolating switch (2) or following isolating switch (18) are positioned at same horizontal line, and the center of upper and lower contact base (29) and (25) is respectively equipped with upper and lower slip guide hole (34) and (13); Be equiped with the watch chain fingertip respectively in upper and lower slip guide hole (34) and (13), be respectively arranged with upper and lower leading screw (9) and (15) in upper and lower slip guide hole (34) and (13), the front end of upper and lower leading screw (9) and (15) is threaded with upper and lower insulation screw (7) and (16) respectively, and the rear end of upper and lower leading screw (9) and (15) is set to rotate the termination;
Above-mentioned upper and lower isolation moving contact (4) and (20) are just as tubulose, the center of upper and lower isolation moving contact (4) and (20) is respectively arranged with upper and lower through hole (3) and (21), one end of upper and lower isolation moving contact (4) and (20) is fixedlyed connected with (16) with upper and lower insulation screw (7) respectively, and upper and lower two insulation screws (7) and (16) are set on upper and lower leading screw (9) and (15) respectively and respectively with upper and lower leading screw (9) with (15) are corresponding is rotationally connected; The two ends of last isolation moving contact (4) respectively with last insulating contact (4) and last in the middle of watch chain fingertip elastic tight in the last slip guide hole (34) of contact base (29) of contact (6) contact or contact with watch chain fingertip elastic tight in the slip guide hole (13) of last centre contact (6) and last grounding contact (11) respectively with the rotation of last leading screw (9); Synchronous therewith, the two ends of following isolation moving contact (20) respectively with following insulating contact (24) and down the watch chain fingertip elastic tight in the lower slider guide hole (13) on the following contact base (25) of contact (17) contact or with the rotation of following leading screw (15) respectively with the contact base (25) of following middle contact (17) and following grounding contact (14) on slip guide hole (13) in watch chain fingertip elastic tight contact; Upper and lower isolating switch (2) and (18) have combined floodgate, separating brake and three kinds of configuration states of ground connection;
Above-mentioned upper and lower isolating switch (2) and (18), upper and lower grounding contact (11) and (14), upper and lower bus contact (32) and (22), upper and lower insulating contact (30) and (24) and upper and lower in the middle of contact (6) and (17) employing epoxy resin pour into the upper and lower switch with double-isolation of hermetically sealed one respectively with spline structure;
Described vacuum explosion-chamber cabin (12) comprises vacuum interrupter (28) and insulated tension pole (8); The rear end of insulated tension pole (8) is connected with the rotatable parts of the operating mechanism (10) that is positioned at Switch main body (33) right-hand member, the front end of insulated tension pole (8) is connected with the moved end (19) of vacuum interrupter (28), simultaneously with on draw be flexible coupling (5) an end be fastenedly connected, on draw be flexible coupling (5) the bottom of the other end and the contact base (29) of last centre contact (6) be fastenedly connected; The moved end (19) of vacuum interrupter (28) and quiet end (27) are positioned at the two ends of vacuum interrupter (28); The quiet end (27) of vacuum interrupter (28) is fixedlyed connected with an end that draws copper bar (26) down, and the other end that draws copper bar (26) is down fixedlyed connected with down middle contact (17).
2, epoxy pouring solid insulation switch with double-isolation according to claim 1 is characterized in that: above-mentioned Switch main body (33) adopts poured with epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202180954U CN201263054Y (en) | 2008-09-19 | 2008-09-19 | Epoxy pouring solid insulation dual-isolation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202180954U CN201263054Y (en) | 2008-09-19 | 2008-09-19 | Epoxy pouring solid insulation dual-isolation switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201263054Y true CN201263054Y (en) | 2009-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202180954U Expired - Lifetime CN201263054Y (en) | 2008-09-19 | 2008-09-19 | Epoxy pouring solid insulation dual-isolation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201263054Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010031290A1 (en) * | 2008-09-19 | 2010-03-25 | 沈阳昊诚电力科技有限公司 | Epoxy resin casted solid insulation switch with double isolators |
| CN102916362A (en) * | 2011-08-02 | 2013-02-06 | 湖南丰日电源电气股份有限公司 | Intelligent inflatable high-pressure vacuum switch cabinet for metro |
| CN105846335A (en) * | 2016-05-10 | 2016-08-10 | 广东紫光电气有限公司 | 12kV current-carrying 1250A solid insulation switchgear |
-
2008
- 2008-09-19 CN CNU2008202180954U patent/CN201263054Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010031290A1 (en) * | 2008-09-19 | 2010-03-25 | 沈阳昊诚电力科技有限公司 | Epoxy resin casted solid insulation switch with double isolators |
| CN101677178B (en) * | 2008-09-19 | 2011-11-09 | 沈阳昊诚电气股份有限公司 | Epoxy pouring solid insulation switch with double-isolation |
| CN102916362A (en) * | 2011-08-02 | 2013-02-06 | 湖南丰日电源电气股份有限公司 | Intelligent inflatable high-pressure vacuum switch cabinet for metro |
| CN102916362B (en) * | 2011-08-02 | 2016-03-02 | 湖南丰日电源电气股份有限公司 | A kind of Intelligent inflatable high-voltage vacuum switch cabinet for metros |
| CN105846335A (en) * | 2016-05-10 | 2016-08-10 | 广东紫光电气有限公司 | 12kV current-carrying 1250A solid insulation switchgear |
| CN105846335B (en) * | 2016-05-10 | 2018-02-02 | 广东紫光电气有限公司 | A kind of 12kV current-carrying 1250A solid insulation switch cabinets |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENYANG HAOCEN ELECTRIC CO., LTD. Free format text: FORMER OWNER: SHENYANG HAOCHENG ELECTRIC TECHNOLOGY CO., LTD. Effective date: 20101206 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 110018 NO.158, HUNHEBAO STREET, DONGLING DISTRICT, SHENYANG CITY, LIAONING PROVINCE TO: 110027 NO.12-A-3, KAIFA ROAD, SHENYANG ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, SHENYANG CITY, LIAONING PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101206 Address after: 110027 Shenyang economic and Technological Development Zone, Liaoning Province, No. 1, No. 12, No. 1, development road, Shenyang economic and Technological Development Zone Patentee after: Shenyang Haocheng Electric Co., Ltd. Address before: The Fort Street in Dongling District of Shenyang city of Liaoning Province, No. 158 110018 Patentee before: Shenyang Haocen Electric Power Technology Co., Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20090624 Effective date of abandoning: 20080919 |