CN105551849A - Isolated and connected combination switch - Google Patents
Isolated and connected combination switch Download PDFInfo
- Publication number
- CN105551849A CN105551849A CN201610039888.9A CN201610039888A CN105551849A CN 105551849 A CN105551849 A CN 105551849A CN 201610039888 A CN201610039888 A CN 201610039888A CN 105551849 A CN105551849 A CN 105551849A
- Authority
- CN
- China
- Prior art keywords
- switch
- housing
- touch base
- end pieces
- quiet end
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to an isolated and connected combination switch, and aims to provide the isolated and connected combination switch with long service life and good air impermeability. The isolated and connected combination switch comprises a shell, a first contact seat and a first conducting rod, wherein a grounding switch static end component is mounted at the front end of the shell, and a second basin-type insulator is mounted at the rear end of the shell; the interior of the shell is provided with an isolating switch static end component and the first contact seat; the isolating switch static end component is fixedly connected with the second basin-type insulator; a first basin-type insulator is mounted at the position of an opening in the bottom end of the shell; the bottom end of the first contact seat is connected with the top end of the first basin-type insulator; the top end of the first contact seat, along the front-and-back direction, is horizontally provided with the first conducting rod; the first conducting rod and the first contact seat are connected through a transmission mechanism; the transmission mechanism is connected with an operating mechanism positioned outside the shell; a shielding case is wrapped and arranged on the outer side of the first contact seat; a first groove is formed in the inner wall of the shell positioned below the grounding switch static end component; and a second groove is formed in the inner wall of the shell positioned below the isolating switch static end component.
Description
Technical field
The present invention relates to high-voltage switch gear technical field, particularly relating to a kind of every connecing unit switch.
Background technology
Now commercially used be placed in three separate metal cans respectively every the three-phase connecing unit switch, connected by external interphase connecting rod, because interphase connecting rod exposes, cause may causing the problems such as connecting rod icing, corrosion in the presence of a harsh environment, affect operating characteristics; Simultaneously because three-phase is placed in three independently metal cans respectively, three-phase not situation at grade in assembling process, can be there is, be unfavorable for installing and regulate.In product on existing market, high speed grounding switch and isolating switch are separately positioned in different two separate tank bodies, cause must increasing disc insulator during both splicings, for ensureing that air-tightness must increase corresponding hermetically-sealed construction, so both add the possibility of Leakage Gas, also create the cost that improve product.In addition, can there is fit clearance in the process that high speed grounding switch and isolating switch assemble, need to add sealing ring respectively and prevent entering of moisture, structure is more complicated, is unfavorable for the performance guarantee of product.
Application publication number CN102024606A discloses a kind of three station isolation grounding switchs, although the three-phase of isolation earthing switch is all arranged on same enclosure interior, but owing to needing external operating mechanism casing in the course of the work, and still separately to join the parts such as housing insulator contact conductor when assembling high speed grounding switch, can produce a very large impact the air-tightness of whole equipment, the possibility of water inlet and electric leakage improves greatly, and very unsightly.In the transmission process of wheel and rack, because friction can produce tiny particulate debris, these chips can be slipped to enclosure interior with transmission device, once too much probably there is the phenomenon of tribo-charging in chip, cause serious damage to equipment self, in addition, the long chip that also can cause of operation hours is piled up at device interior narrow space, affect the operation of equipment, shorten the useful life of equipment.
Summary of the invention
The technical problem to be solved in the present invention is to provide that a kind of structure is simple, service time is long, air-tightness is good every connecing unit switch.
The present invention is every connecing unit switch, wherein, comprise housing, first touch base, first conducting rod, the quiet end pieces of isolating switch and the quiet end pieces of earthed switch, the opening part of housing forward end is provided with the quiet end pieces of earthed switch, the opening part of housing rear end is provided with the second disc insulator, the quiet end pieces of isolating switch and the first touch base are arranged in the first cavity of enclosure interior, the quiet end pieces of isolating switch is fixedly connected with the second disc insulator, the opening part of housing bottom is provided with the first disc insulator, the bottom of the first touch base is connected with the top of the first disc insulator, first touch base top has been horizontally disposed with the first conducting rod along the longitudinal direction, be connected by transmission mechanism between first conducting rod with the first touch base, transmission mechanism is connected with the operating mechanism being positioned at outside, the outside bag of the first touch base is provided with radome, the second cavity is reserved with between radome and the first touch base, be positioned in the inner walls below the quiet end pieces of earthed switch and offer the first groove, be positioned in the inner walls below the quiet end pieces of isolating switch and offer the second groove.
The present invention is every connecing unit switch, the quiet end pieces of wherein said isolating switch comprises again isolating switch touch base and high speed grounding switch touch base, high speed grounding switch touch base is arranged on the inside of isolating switch touch base, the top of isolating switch touch base offers through hole, through hole is positioned at directly over high speed grounding switch touch base, housing tip is provided with external fast earthed switch, the bottom aligned through holes of the second conducting rod of external fast earthed switch inside.
The present invention is every connecing unit switch, the sidewall of wherein said housing is provided with the first observation window, the second observation window and the 3rd observation window, first observation window between the quiet end pieces of earthed switch and the first touch base between incision position, second observation window between the quiet end pieces of isolating switch and the first touch base between incision position, the 3rd observation window between external fast earthed switch and high speed grounding switch touch base between incision position.
The present invention is every connecing unit switch, wherein said transmission mechanism comprises again gear and tooth bar, tooth bar is fixed on the first conducting rod bottom, gear is arranged on below the first conducting rod, tooth on gear and the tooth on tooth bar engage each other, and the end of gear is passed the sidewall of housing and is connected with the operating mechanism being positioned at outside.
The present invention is every connecing unit switch, and be provided with lip-type packing between wherein said gear and housing, lip-type packing is fixed on housing.
The present invention every connecing unit switch, smooth connection between the bottom of wherein said first groove and top, smooth connection between the bottom of the second groove and top.
The present invention is every connecing unit switch, and the sidewall of wherein said housing and external mechanism case integrally casting, the control section of operating mechanism is arranged on external mechanism case inside.
The present invention is every connecing unit switch difference from prior art: the quiet end pieces of three-phase isolation switch, the quiet end pieces of earthed switch and the first conducting rod are provided with in same housing by the present invention, three alternate links there will not be situation about exposing, avoid the impact of external environment condition on parts, substantially prolongs the useful life of isolation unit switch.Radome is had in the arranged outside of the first touch base, float in second cavity of the chip produced in gear and tooth bar motion process only between radome and the first touch base, finally be deposited in radome inside, and other positions of enclosure interior can not be scattered in, avoid chip to cross and the tribo-charging phenomenon produced, and avoid the miscellaneous part of chip to enclosure interior and have an impact.Housing below the quiet end pieces of earthed switch is provided with the first groove, housing below the quiet end pieces of isolating switch is provided with the second groove, when the quiet end pieces of earthed switch and the quiet end pieces of isolating switch produce fine debris due to friction, under self gravitation effect, chip can be slipped to the first groove and the second inside grooves, under the effect of electrostatic field force, chip can adsorb by the diapire of the first groove and the second groove, and secondary can not be carried out fly away.Lip-type packing is provided with between gear and housing, effectively reduce radial load that gear produces due to installation accuracy in transmission process to bubble-tight impact, lip-type packing is fixed on housing, decrease the number of spare parts of enclosure interior, make hermetically-sealed construction more simple, better ensure that the air-tightness between running part and housing.The outer wall of housing and external mechanism case integrally casting, further ensure the air-tightness of enclosure interior.The inside of isolating switch touch base is also provided with high speed grounding switch touch base, ensure that when not using external high speed grounding switch, and isolating switch touch base can play good shielding action to high speed grounding switch touch base.The sidewall of housing is provided with multiple observation window, and the convenient operating state to isolation unit switch inside is observed.
Below in conjunction with accompanying drawing, the present invention is described further every connecing unit switch.
Accompanying drawing explanation
Fig. 1 is that the present invention is every the front view connecing unit switch;
Fig. 2 is that the present invention is every connecing the cutaway view of unit switch along A-A face;
Fig. 3 is that the present invention is every the enlarged drawing connecing the first touch base in unit switch;
Fig. 4 is that the present invention is every the enlarged drawing connecing the quiet end of isolating switch in unit switch;
Fig. 5 is the state diagram of the present invention in time connecing isolating switch combined floodgate in unit switch;
Fig. 6 is the state diagram of the present invention in time connecing earthed switch combined floodgate in unit switch.
Embodiment
As shown in Figure 1 and Figure 2, for the present invention is every connecing unit switch, comprise housing 1, first touch base 3, first conducting rod 4, the quiet end pieces of isolating switch 5 and the quiet end pieces 6 of earthed switch.Housing 1 is placed in the horizontal direction, housing 1 inside offers the first cavity, the opening part of housing 1 front end is provided with the quiet end pieces 6 of earthed switch, the opening part of housing 1 rear end is provided with the second disc insulator 2 ', the quiet end pieces 5 of isolating switch is provided with in first cavity of housing 1 inside, the quiet end pieces 5 of isolating switch is fixedly connected with the second disc insulator 2 ', as shown in Figure 4, the quiet end pieces 5 of isolating switch comprises again isolating switch touch base 12 and high speed grounding switch touch base 13, high speed grounding switch touch base 13 is arranged on the inside of isolating switch touch base 12, the top of isolating switch touch base 12 offers through hole 17, through hole 17 is positioned at directly over high speed grounding switch touch base 13.The opening part of housing 1 bottom is provided with the first disc insulator 2, the first touch base 3 is provided with in first cavity of housing 1 inside, the bottom of the first touch base 3 is connected with the top of the first disc insulator 2, as shown in Figure 3, first touch base 3 top has been horizontally disposed with the first conducting rod 4 along the longitudinal direction, the front end of the first conducting rod 4 is near the quiet end pieces 6 of earthed switch, the rear end of the first conducting rod 4 is near the quiet end pieces 5 of isolating switch, first conducting rod 4 bottom is fixed with tooth bar 10, gear 7 is provided with below first conducting rod 4, tooth on tooth on gear 7 and tooth bar 10 engages each other, the end of gear 7 is passed the sidewall of housing 1 and is connected with the operating mechanism being positioned at housing 1 outside, controlled by the rotation direction of operating mechanism to gear 7, lip-type packing is provided with between gear 7 and housing 1, lip-type packing is fixed on housing 1.In the outside of the first touch base 3, bag is provided with radome 11, is reserved with the second cavity 15 between radome 11 and the first touch base 3.The inwall of housing 1 bottom offers the first groove 8 and the second groove 9 respectively, smooth connection between the bottom of the first groove 8 and top, smooth connection between the bottom of the second groove 9 and top, first groove 8 is positioned at the below of the quiet end pieces 6 of earthed switch, and the second groove 9 is positioned at the below of the quiet end pieces 5 of isolating switch.Housing 1 top is also provided with external fast earthed switch 14, and the through hole 17 on the top of isolating switch touch base 12 is aimed in the bottom of the second conducting rod 18 of external fast earthed switch 14 inside.The first side wall of housing 1 is respectively arranged with the first observation window 16, second observation window 16 ' and the 3rd observation window 16 "; the first observation window 16 between the quiet end pieces 6 of earthed switch and the first touch base 3 between incision position; the second observation window 16 ' between the quiet end pieces 5 of isolating switch and the first touch base 3 between incision position, the 3rd observation window 16 " between external fast earthed switch 14 and high speed grounding switch touch base 13 between incision position.The second sidewall relative with the first side wall on housing 1 is provided with external mechanism case 19, integrally casting between housing 1 and external mechanism case 19, the control section of operating mechanism is arranged on external mechanism case 19 inside.
The course of work of the present invention is: as shown in Figure 2, for isolation unit switch is in bilateral gate-dividing state, gear 7 on first touch base 3 is connected with the operating mechanism of outside, the quiet end pieces 6 of earthed switch is connected with housing 1, the quiet end pieces 5 of isolating switch is connected with housing 1 by the second disc insulator 2 ', and now quiet end pieces 6 and the quiet end pieces 5 of isolating switch disconnect the first conducting rod 4 with earthed switch respectively.
As shown in Figure 5, for the state diagram of the present invention in time connecing isolating switch combined floodgate in unit switch, when needs carry out isolating switch combined floodgate, turned clockwise by the operating mechanism driven gear 7 being positioned at housing 1 outside, drive the first conducting rod 4 to close isolating switch quiet end pieces 5 one lateral movement by the engagement of gear 7 and tooth bar 10, the rear end of final first conducting rod 4 contacts with isolating switch touch base 12, thus realizes the combined floodgate of isolating switch; When needing to carry out high speed grounding switch closing operation, by manipulating the second conducting rod 18 of external fast earthed switch 14 inside, make the bottom of the second conducting rod 18 extend into through hole 17 inside and contact with high speed grounding switch touch base 13, thus realize high speed grounding switch combined floodgate; When needs carry out isolating switch separating brake or high speed grounding switch sub-switching operation, be rotated counterclockwise by the operating mechanism driven gear 7 being positioned at housing 1 outside, drive the first conducting rod 4 to away from the lateral movement of isolating switch quiet end pieces 5 one by the engagement of gear 7 and tooth bar 10, separate between the rear end of the first conducting rod 4 and the quiet end pieces 5 of isolating switch, first conducting rod 4 finally gets back to centre position, thus realizes separating brake or the high speed grounding switch separating brake of isolating switch.
As shown in Figure 6, for the state diagram of the present invention in time connecing earthed switch combined floodgate in unit switch, when needs carry out earthed switch combined floodgate, be rotated counterclockwise by the operating mechanism driven gear 7 being positioned at housing 1 outside, drive the first conducting rod 4 to close earthed switch quiet end pieces 6 one lateral movement by the engagement of gear 7 and tooth bar 10, the front end of final first conducting rod 4 contacts with the quiet end pieces 6 of earthed switch, thus is grounded the combined floodgate of switch; When needs carry out grounding switch tripping operation, turned clockwise by the operating mechanism driven gear 7 being positioned at housing 1 outside, drive the first conducting rod 4 to away from the lateral movement of earthed switch quiet end pieces 6 one by the engagement of gear 7 and tooth bar 10, separate between the front end of the first conducting rod 4 and the quiet end pieces 6 of earthed switch, first conducting rod 4 finally gets back to centre position, thus is grounded switch separating brake.
The present invention isolates unit switch, the quiet end pieces 5 of three-phase isolation switch, the quiet end pieces of earthed switch 6 and the first conducting rod 4 are provided with in same housing 1, three alternate links there will not be situation about exposing, avoid the impact of external environment condition on parts, substantially prolongs the useful life of isolation unit switch.Radome 11 is had in the arranged outside of the first touch base 3, float in second cavity 15 of the chip produced in gear 7 and tooth bar 10 motion process only between radome 11 and the first touch base 3, finally be deposited in radome 11 inner, and other positions of housing 1 inside can not be scattered in, avoid chip to cross and the tribo-charging phenomenon produced, and avoid the miscellaneous part of chip to enclosure interior and have an impact.Housing 1 below the quiet end pieces 6 of earthed switch is provided with the first groove 8, housing 1 below the quiet end pieces 5 of isolating switch is provided with the second groove 9, when the quiet end pieces of earthed switch 6 and the quiet end pieces 5 of isolating switch produce fine debris due to friction, under self gravitation effect, chip can be slipped to the first groove 8 and the second groove 9 is inner, under the effect of electrostatic field force, chip can adsorb by the diapire of the first groove 8 and the second groove 9, and secondary can not be carried out fly away.Lip-type packing is provided with between gear 7 and housing 1, effectively reduce radial load that gear 7 produces due to installation accuracy in transmission process to bubble-tight impact, lip-type packing is fixed on housing 1, decrease the number of spare parts of housing 1 inside, make hermetically-sealed construction more simple, better ensure that the air-tightness between running part and housing 1.The outer wall of housing 1 and external mechanism case 14 integrally casting, further ensure the air-tightness of housing 1 inside.The inside of isolating switch touch base 12 is also provided with high speed grounding switch touch base 13, ensure that when not using external high speed grounding switch, and isolating switch touch base 12 can play good shielding action to high speed grounding switch touch base 13.The sidewall of housing 1 is provided with multiple observation window, and the convenient operating state to isolation unit switch inside is observed.Structure of the present invention is simple, air-tightness good, integraty is strong, compared with prior art has obvious advantage.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection range that claims of the present invention determines.
Claims (7)
1. one kind every connecing unit switch, it is characterized in that: comprise housing (1), first touch base (3), first conducting rod (4), the quiet end pieces of isolating switch (5) and the quiet end pieces of earthed switch (6), the opening part of housing (1) front end is provided with the quiet end pieces of earthed switch (6), the opening part of housing (1) rear end is provided with the second disc insulator (2 '), the quiet end pieces of isolating switch (5) and the first touch base (3) are arranged in the first inner cavity of housing (1), the quiet end pieces of isolating switch (5) is fixedly connected with the second disc insulator (2 '), the opening part of housing (1) bottom is provided with the first disc insulator (2), the bottom of the first touch base (3) is connected with the top of the first disc insulator (2), first touch base (3) top has been horizontally disposed with the first conducting rod (4) along the longitudinal direction, be connected by transmission mechanism between first conducting rod (4) with the first touch base (3), transmission mechanism is connected with the operating mechanism being positioned at housing (1) outside, the outside bag of the first touch base (3) is provided with radome (11), the second cavity (15) is reserved with between radome (11) and the first touch base (3), be positioned on housing (1) inwall below the quiet end pieces of earthed switch (6) and offer the first groove (8), be positioned on housing (1) inwall below the quiet end pieces of isolating switch (5) and offer the second groove (9).
2. according to claim 1 every connecing unit switch, it is characterized in that: the quiet end pieces of described isolating switch (5) comprises again isolating switch touch base (12) and high speed grounding switch touch base (13), high speed grounding switch touch base (13) is arranged on the inside of isolating switch touch base (12), the top of isolating switch touch base (12) offers through hole (17), through hole (17) is positioned at directly over high speed grounding switch touch base (13), housing (1) top is provided with external fast earthed switch (14), the bottom aligned through holes (17) of the second conducting rod (18) that external fast earthed switch (14) is inner.
3. according to claim 2 every connecing unit switch, it is characterized in that: the sidewall of described housing (1) is provided with the first observation window (16), second observation window (16 ') and the 3rd observation window (16 "), incision position between first observation window (16) is positioned between the quiet end pieces of earthed switch (6) and the first touch base (3), incision position between second observation window (16 ') is positioned between the quiet end pieces of isolating switch (5) and the first touch base (3), incision position between 3rd observation window (16 ") is positioned between external fast earthed switch (14) and high speed grounding switch touch base (13).
4. according to claim 1 every connecing unit switch, it is characterized in that: described transmission mechanism comprises again gear (7) and tooth bar (10), tooth bar (10) is fixed on the first conducting rod (4) bottom, gear (7) is arranged on the first conducting rod (4) below, tooth on tooth on gear (7) and tooth bar (10) engages each other, the end of gear (7) through the sidewall of housing (1) and the operating mechanism outside with being positioned at housing (1) be connected.
5. according to claim 3 every connecing unit switch, it is characterized in that: be provided with lip-type packing between described gear (7) and housing (1), lip-type packing is fixed on housing (1).
6. according to claim 1 every connecing unit switch, it is characterized in that: smooth connection between the bottom of described first groove (8) and top, smooth connection between the bottom of the second groove (9) and top.
7. according to claim 1 every connecing unit switch, it is characterized in that: the sidewall of described housing (1) and external mechanism case (19) integrally casting, the control section of operating mechanism is arranged on external mechanism case (19) inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610039888.9A CN105551849B (en) | 2016-01-20 | 2016-01-20 | Every connecing stacked switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610039888.9A CN105551849B (en) | 2016-01-20 | 2016-01-20 | Every connecing stacked switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105551849A true CN105551849A (en) | 2016-05-04 |
| CN105551849B CN105551849B (en) | 2018-08-17 |
Family
ID=55830973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610039888.9A Active CN105551849B (en) | 2016-01-20 | 2016-01-20 | Every connecing stacked switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105551849B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710901A (en) * | 2017-02-08 | 2017-05-24 | 河南平高电气股份有限公司 | Contact base, contact base assembly and isolation ground-connection combination switch |
| CN110829327A (en) * | 2019-10-09 | 2020-02-21 | 平高集团有限公司 | Bus extension device |
| WO2022062210A1 (en) * | 2020-09-24 | 2022-03-31 | 河南平高电气股份有限公司 | Static end assembly and disconnecting and earthing switch |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209658067U (en) * | 2019-05-22 | 2019-11-19 | 西门子股份公司 | Three-station |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07147711A (en) * | 1993-11-24 | 1995-06-06 | Fuji Electric Co Ltd | Electrical-equipment driving shaft device for switchboard |
| CN101013800A (en) * | 2007-02-02 | 2007-08-08 | 河南平高电气股份有限公司 | Gas-insulated combination switchgear |
| CN200950415Y (en) * | 2006-06-12 | 2007-09-19 | 包红旗 | Combination type high voltage isolated ground switch |
| CN101320648A (en) * | 2008-07-02 | 2008-12-10 | 中国西电电气股份有限公司 | Air insulated isolation switch device |
| CN201910581U (en) * | 2010-12-31 | 2011-07-27 | 国电博纳（北京）电力设备有限公司 | Metal-enclosed combined electric switch |
-
2016
- 2016-01-20 CN CN201610039888.9A patent/CN105551849B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07147711A (en) * | 1993-11-24 | 1995-06-06 | Fuji Electric Co Ltd | Electrical-equipment driving shaft device for switchboard |
| CN200950415Y (en) * | 2006-06-12 | 2007-09-19 | 包红旗 | Combination type high voltage isolated ground switch |
| CN101013800A (en) * | 2007-02-02 | 2007-08-08 | 河南平高电气股份有限公司 | Gas-insulated combination switchgear |
| CN101320648A (en) * | 2008-07-02 | 2008-12-10 | 中国西电电气股份有限公司 | Air insulated isolation switch device |
| CN201910581U (en) * | 2010-12-31 | 2011-07-27 | 国电博纳（北京）电力设备有限公司 | Metal-enclosed combined electric switch |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710901A (en) * | 2017-02-08 | 2017-05-24 | 河南平高电气股份有限公司 | Contact base, contact base assembly and isolation ground-connection combination switch |
| CN106710901B (en) * | 2017-02-08 | 2019-11-01 | 河南平高电气股份有限公司 | Touch base, touch base component and isolation ground connection stacked switch |
| CN110829327A (en) * | 2019-10-09 | 2020-02-21 | 平高集团有限公司 | Bus extension device |
| WO2022062210A1 (en) * | 2020-09-24 | 2022-03-31 | 河南平高电气股份有限公司 | Static end assembly and disconnecting and earthing switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105551849B (en) | 2018-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105551849A (en) | Isolated and connected combination switch | |
| CN100442615C (en) | Gas insulation switch device | |
| CN102420399B (en) | Isolated insulation cover and isolating switch device | |
| JP2005276839A (en) | Control device for driving in conditioned manner at least two components of switch gear in which one component performs shielding in vacuum | |
| WO2017094449A1 (en) | Gas-insulated switchgear | |
| CN1661874B (en) | Compact earthing switch for gas-insulated switchgear assemblies | |
| CN102623231B (en) | Solid-sealed polar column unit for solid insulation switch equipment | |
| CN201084626Y (en) | An ultra-high pressure GIS-purpose isolation switch | |
| CN102403668A (en) | High-voltage combined electrical apparatus | |
| KR20140084321A (en) | Switchgear | |
| CN101897092B (en) | Medium voltage panel | |
| EP1152444A1 (en) | Switch gear | |
| CN105162025B (en) | A kind of breaker gas chamber and double isolation feeder cabinets with the breaker gas chamber | |
| KR102135381B1 (en) | High Speed Earthing Switch of Gas Insulated Switchgear | |
| JP5744351B2 (en) | Vacuum circuit breaker | |
| CN205487804U (en) | Separate and meet combination switch | |
| WO2024098876A1 (en) | Integrated switchgear | |
| CN202473734U (en) | Embedded pole unit for solid insulated switchgear | |
| CN103683083B (en) | A kind of isolation earthing switch | |
| US9825438B2 (en) | Switchgear | |
| KR102517739B1 (en) | Earthing Switch of Distribution Board | |
| JP5510442B2 (en) | Gas circuit breaker | |
| CN202856230U (en) | Solid insulating switch | |
| CN201788882U (en) | Main transmission shaft kit of SF6 load switch | |
| CN117477417B (en) | Environment-friendly gas-insulated closed combined electrical apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210113 Address after: 102200 Beijing Changping District Huilongguan town Er Bozi Village North No.1 building 1-4 floor all 3 sets 1 floor 103 Patentee after: STATE GRID BONA (BEIJING) ELECTRIC POWER EQUIPMENT Co.,Ltd. Address before: 301914 west side of Jiudingshan road and north side of guandonghe street, Tianjin special purpose vehicle industrial park, Jixian Economic Development Zone, Tianjin Patentee before: BONA FANGGE (TIANJIN) ELECTRIC EQUIPMENT Co.,Ltd. |