CN105551849B - Every connecing stacked switch - Google Patents
Every connecing stacked switch Download PDFInfo
- Publication number
- CN105551849B CN105551849B CN201610039888.9A CN201610039888A CN105551849B CN 105551849 B CN105551849 B CN 105551849B CN 201610039888 A CN201610039888 A CN 201610039888A CN 105551849 B CN105551849 B CN 105551849B
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- CN
- China
- Prior art keywords
- switch
- touch base
- shell
- static side
- conducting rod
- 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.)
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Classifications
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- 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
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The present invention relates to one kind every connecing stacked switch.It is good every connecing stacked switch its purpose is to provide a kind of long lifespan, air-tightness.The present invention includes shell,First touch base and the first conducting rod,Housing forward end is equipped with earthing switch static side component,Housing rear end is equipped with the second disc insulator,Enclosure interior is provided with disconnecting switch static side component and the first touch base,Disconnecting switch static side component is fixedly connected with the second disc insulator,The opening of shell bottom end is equipped with the first disc insulator,The bottom end of first touch base is connect with the top of the first disc insulator,First touch base top is horizontally disposed with along the longitudinal direction the first conducting rod,It is connected by transmission mechanism between first conducting rod and the first touch base,Transmission mechanism is connect with the operating mechanism positioned at hull outside,The outside packet of first touch base is equipped with shielding case,The first groove is offered in the inner walls below earthing switch static side component,The second groove is offered in the inner walls below disconnecting switch static side component.
Description
Technical field
The present invention relates to high-voltage switch gear technical field, more particularly to one kind every connecing stacked switch.
Background technology
It is respectively placed in three mutually independent metal cans every the three-phase for connecing stacked switch used in currently on the market,
It is connected by external interphase connecting rod, since interphase connecting rod is exposed, causes to be likely to result in connecting rod icing, corruption in the presence of a harsh environment
The problems such as erosion, influences operating characteristics；Simultaneously as three-phase is respectively placed in three independent metal cans, can be deposited in assembling process
Three-phase not in the same plane the case where, be unfavorable for installation and adjustment.Now in product in the market, high speed grounding switch be isolated
Switch is separately positioned in two different mutually independent tank bodies, must be increased disc insulator when the two being caused to be spliced, is
Ensure that air-tightness must increase corresponding sealing structure, had both increased the possibility of gas leakage in this way, and also created and improve
The cost of product.In addition, there can be fit clearance during high speed grounding switch and disconnecting switch assemble, need to add respectively
Encryption seal prevents the entrance of moisture, and structure is more complex, is unfavorable for the performance guarantee of product.
Application publication number CN102024606A discloses a kind of three-station isolating grounding switch, although by isolation earthing switch
Three-phase be all disposed within inside same housing, but due to needing external operating mechanism babinet during the work time, and assemble
It is still to separately match the components such as shell insulator contact conductor when high speed grounding switch, very big shadow can be generated to the air-tightness of whole equipment
It rings, the possibility of water inlet and electric leakage greatly improves, and very unsightly.In the transmission process of wheel and rack, due to friction
Tiny particulate debris is will produce, these clasts can be slipped to enclosure interior with transmission device, once clast is excessively likely to out
The phenomenon that existing tribo-charging, serious damage is caused to equipment itself, can also clast be caused to exist in addition, operation hours is long
Narrow space accumulation, influences the operation of equipment, shortens the service life of equipment inside equipment.
Invention content
The technical problem to be solved in the present invention is to provide it is a kind of it is simple in structure, usage time is long, air-tightness is good every connecing group
Combination switch.
The present invention is every connecing stacked switch, wherein including shell, the first touch base, the first conducting rod, disconnecting switch static side component
Earthing switch static side component, the opening peace of housing rear end are installed with the opening of earthing switch static side component, housing forward end
Equipped with the second disc insulator, in the first cavity of disconnecting switch static side component and the setting of the first touch base inside housings, isolation
Switch static side component is fixedly connected with the second disc insulator, and the opening of shell bottom end is equipped with the first disc insulator, the
The bottom end of one touch base is connect with the top of the first disc insulator, and the first touch base top is horizontally disposed with along the longitudinal direction has first to lead
Electric pole is connected between the first conducting rod and the first touch base by transmission mechanism, transmission mechanism and the operation machine for being located at hull outside
Structure connects, and the outside packet of the first touch base is equipped with shielding case, and the second cavity is reserved between shielding case and the first touch base, is located at ground connection
The first groove is offered in inner walls below switch static side component, the inner walls being located at below disconnecting switch static side component
On offer the second groove.
The present invention is every connecing stacked switch, wherein the disconnecting switch static side component includes disconnecting switch touch base and fast quick access again
Ground switchs touch base, and high speed grounding switch touch base is arranged in the inside of disconnecting switch touch base, and the top of disconnecting switch touch base offers
Through-hole, through-hole are located at the surface of high speed grounding switch touch base, and housing tip is provided with external fast earthing switch, external fast ground connection
The bottom end of second conducting rod of switch internal is directed at through-hole；It is outer by manipulating when needing to carry out high speed grounding switch closing operation
Internal the second conducting rod (18) of fast earthing switch (14) is set, so that the bottom end of the second conducting rod (18) is extend into through-hole (17) internal
And contacted with high speed grounding switch touch base (13), to realize that high speed grounding switch closes a floodgate；When need carry out disconnecting switch separating brake
Or when high speed grounding switch sub-switching operation, rotated counterclockwise by being located at the external operating mechanism band moving gear (7) of shell (1),
The first conducting rod (4) is driven to be transported to far from disconnecting switch static side component (5) side by the engagement of gear (7) and rack (10)
It is dynamic, it is separated between the rear end and disconnecting switch static side component (5) of the first conducting rod (4), the first conducting rod (4) is eventually returned to centre
The separating brake or high speed grounding switch separating brake of disconnecting switch are realized in position.
The present invention every connecing stacked switch, wherein be provided on the side wall of the shell the first observation window, the second observation window and
Third observation window, the first observation window between earthing switch static side component and the first touch base between incision position, the second observation window
Incision position between disconnecting switch static side component and the first touch base, third observation window be located at external fast earthing switch with it is fast
Incision position between fast earthing switch touch base.
The present invention is every connecing stacked switch, wherein the transmission mechanism includes gear and rack again, rack is fixed on first and leads
Electric pole bottom end, gear are arranged below the first conducting rod, and the tooth intermeshing on the tooth and rack on gear, the end of gear is worn
It crosses the side wall of shell and is connect with the operating mechanism positioned at hull outside.
The present invention is every connecing stacked switch, wherein being provided with lip-type packing, lip-type packing between the gear and shell
It is fixed on shell.
The present invention is every connecing stacked switch, wherein being smoothly connected between the bottom end and top of first groove, the second groove
Bottom end and top between be smoothly connected.
The present invention is every connecing stacked switch, wherein the side wall of the shell and external mechanism case integrally casting, operating mechanism
Control section is arranged inside outer connection mechanism case.
The present invention is every connecing stacked switch difference from prior art：The present invention is by the static side portion of three-phase isolation switch
Part, earthing switch static side component and the first conducting rod are provided in same housing, and three alternate connecting components are not in exposed
The case where, influence of the external environment to component is avoided, the service life of isolation stacked switch is substantially prolonged.In the first touch base
Outside be provided with shielding case, generated clast is only between shielding case and the first touch base in gear and rack motion process
It floats in second cavity, is finally deposited in inside shielding case, without the other positions being scattered inside housings, avoids clast
The tribo-charging phenomenon crossed and generated, and avoid clast and the other component of enclosure interior is had an impact.Earthing switch is quiet
It is provided with the first groove on shell below end pieces, the second groove is provided on the shell below disconnecting switch static side component,
When earthing switch static side component and disconnecting switch static side component generate fine debris due to friction, under self gravitation effect,
Clast can be slipped to the first groove and the second inside grooves, and under the action of electrostatic field force, clast can be by the first groove and second
The bottom wall of groove is adsorbed, without carrying out secondary drift.Lip-type packing is provided between gear and shell, it is effective to reduce
Influence of the gear in transmission process due to radial load caused by installation accuracy to air-tightness, lip-type packing are fixed on shell
On body, reduce the number of parts of enclosure interior, keep sealing structure simpler, preferably ensure that running part and shell it
Between air-tightness.The outer wall of shell and external mechanism case integrally casting, further ensure the air-tightness of enclosure interior.Keep apart
The inside for closing touch base is additionally provided with high speed grounding switch touch base, ensure that without using external high speed grounding switch,
Disconnecting switch touch base can play high speed grounding switch touch base good shielding action.Multiple sights are provided on the side wall of shell
Window is examined, the convenient working condition to inside isolation stacked switch is observed.
The present invention is described further every connecing stacked switch below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is the present invention every the front view for connecing stacked switch；
Fig. 2 is the present invention every connecing sectional view of the stacked switch along the faces A-A；
Fig. 3 is the present invention every the enlarged drawing for connecing the first touch base in stacked switch；
Fig. 4 is the present invention every the enlarged drawing for connecing disconnecting switch static side in stacked switch；
Fig. 5 is the present invention every connecing the state diagram kept apart in stacked switch when closing lock；
Fig. 6 is state diagram of present invention when connecing earthing switch combined floodgate in stacked switch.
Specific implementation mode
As shown in Figure 1 and Figure 2, be the present invention every connecing stacked switch, including shell 1, the first touch base 3, the first conducting rod 4, every
It leaves and closes static side component 5 and earthing switch static side component 6.Shell 1 is placed in the horizontal direction, and the first sky is offered inside shell 1
Chamber, the opening of 1 front end of shell are equipped with earthing switch static side component 6, and it is exhausted that the opening of 1 rear end of shell is equipped with the second benzvalene form
Edge 2 ' is provided with disconnecting switch static side component 5, disconnecting switch static side component 5 and second in the first cavity inside shell 1
Disc insulator 2 ' is fixedly connected, as shown in figure 4, disconnecting switch static side component 5 includes disconnecting switch touch base 12 and fast quick access again
Ground switchs touch base 13, and high speed grounding switch touch base 13 is arranged on the inside of disconnecting switch touch base 12, the top of disconnecting switch touch base 12
End offers through-hole 17, and through-hole 17 is located at the surface of high speed grounding switch touch base 13.The opening of 1 bottom end of shell is equipped with
One disc insulator 2 is provided with the first touch base 3, bottom end and the first benzvalene form of the first touch base 3 in the first cavity inside shell 1
The top of insulator 2 connects, as shown in figure 3,3 top of the first touch base is horizontally disposed with along the longitudinal direction the first conducting rod 4, first
The front end of conducting rod 4 is close to earthing switch static side component 6, and the rear end of the first conducting rod 4 is close to disconnecting switch static side component 5, and
One conducting rod, 4 bottom end is fixed with rack 10, and 4 lower section of the first conducting rod is provided with gear 7, on the tooth on gear 7 and rack 10
Tooth is intermeshed, and the end of gear 7 passes through the side wall of shell 1 and connect with the operating mechanism outside shell 1, passes through operation
Mechanism controls the rotation direction of gear 7, and lip-type packing is provided between gear 7 and shell 1, and lip-type packing is solid
It is scheduled on shell 1.In the outside of the first touch base 3, packet is equipped with shielding case 11, and the is reserved between shielding case 11 and the first touch base 3
Two cavitys 15.Offer the first groove 8 and the second groove 9 respectively on the inner wall of 1 bottom end of shell, the bottom end of the first groove 8 with
It is smoothly connected between top, is smoothly connected between the bottom end and top of the second groove 9, the first groove 8 is located at earthing switch static side
The lower section of component 6, the second groove 9 are located at the lower section of disconnecting switch static side component 5.1 top of shell is additionally provided with external fast ground connection
Switch 14, the through-hole on the top of the bottom end alignment disconnecting switch touch base 12 of the second conducting rod 18 inside external fast earthing switch 14
17.It is respectively arranged with the first observation window 16, the second observation window 16 ' and third observation window 16 " on the first side wall of shell 1, first
Incision position between observation window 16 is located between earthing switch static side component 6 and the first touch base 3, the second observation window 16 ' are located at isolation
Incision position between switching between static side component 5 and the first touch base 3, third observation window 16 " be located at external fast earthing switch 14 with soon
Incision position between fast earthing switch touch base 13.Outer pick is provided on shell 1 in the second sidewall opposite with the first side wall
The control section of structure case 19, integrally casting between shell 1 and external mechanism case 19, operating mechanism is arranged in outer connection mechanism case 19
Portion.
The present invention the course of work be：As shown in Fig. 2, being in bilateral gate-dividing state, the first touch base 3 for isolation stacked switch
On gear 7 connect with the operating mechanism of hull outside, earthing switch static side component 6 is connect with shell 1, disconnecting switch static side portion
Part 5 is connect by the second disc insulator 2 ' with shell 1, at this time the first conducting rod 4 respectively with earthing switch static side component 6 and every
It leaves and closes 5 disconnection of static side component.
As shown in figure 5, be the present invention every connecing the state diagram kept apart in stacked switch when closing lock, when being isolated
It when switch closes a floodgate, is rotated clockwise with moving gear 7 by the operating mechanism positioned at shell 1 outside, passes through nibbling for gear 7 and rack 10
Crossed belt moves the first conducting rod 4 and is moved to close to 5 side of disconnecting switch static side component, the rear end of final first conducting rod 4 be isolated
It switchs touch base 12 to contact, to realize the combined floodgate of disconnecting switch；When needing to carry out high speed grounding switch closing operation, pass through manipulation
The second conducting rod 18 inside external fast earthing switch 14, make the bottom end of the second conducting rod 18 extend into the inside of through-hole 17 and with it is fast
Fast earthing switch touch base 13 contacts, to realize that high speed grounding switch closes a floodgate；When need carry out disconnecting switch separating brake or quickly
When grounding switch tripping operates, is rotated counterclockwise by the operating mechanism band moving gear 7 outside shell 1, pass through gear 7 and tooth
The engagement of item 10 drives the first conducting rod 4 move to far from 5 side of disconnecting switch static side component, the rear end of the first conducting rod 4 and
It is separated between disconnecting switch static side component 5, the first conducting rod 4 is eventually returned to centre position, to realize the separating brake of disconnecting switch
Or high speed grounding switch separating brake.
As shown in fig. 6, the state diagram for the present invention when connecing earthing switch in stacked switch and closing a floodgate, when being grounded
When switch closes a floodgate, by operating mechanism band moving gear 7 rotation counterclockwise positioned at shell 1 outside, pass through nibbling for gear 7 and rack 10
Crossed belt moves the first conducting rod 4 and is moved to close to 6 side of earthing switch static side component, the front end of final first conducting rod 4 and ground connection
It switchs static side component 6 to contact, to be grounded the combined floodgate of switch；When needing to carry out grounding switch tripping operation, by being located at
Operating mechanism band moving gear 7 outside shell 1 rotates clockwise, and the first conducting rod 4 is driven by the engagement of gear 7 and rack 10
It moves to far from 6 side of earthing switch static side component, is separated between the front end and earthing switch static side component 6 of the first conducting rod 4,
First conducting rod 4 is eventually returned to centre position, to be grounded switch separating brake.
Stacked switch is isolated in the present invention, by the static side component 5 of three-phase isolation switch, earthing switch static side component 6 and first
Conducting rod 4 is provided in same housing 1, and three alternate connecting components are not in exposed situation, avoid external environment pair
The influence of component substantially prolongs the service life of isolation stacked switch.The outside of first touch base 3 is provided with shielding case 11,
In 10 motion process of gear 7 and rack in the second cavity 15 of the generated clast between shielding case 11 and the first touch base 3
It floats, is finally deposited in inside shielding case 11, without the other positions being scattered in inside shell 1, avoids clast and cross and produce
Raw tribo-charging phenomenon, and avoid clast and the other component of enclosure interior is had an impact.Earthing switch static side component 6
It is provided with the first groove 8 on the shell 1 of lower section, the second groove 9 is provided on the shell 1 of 5 lower section of disconnecting switch static side component, when
When earthing switch static side component 6 and disconnecting switch static side component 5 generate fine debris due to friction, under self gravitation effect,
Clast can be slipped to inside the first groove 8 and the second groove 9, and under the action of electrostatic field force, clast can be by the first groove 8 and
The bottom wall of two grooves 9 is adsorbed, without carrying out secondary drift.Lip-type packing is provided between gear 7 and shell 1, effectively
Reduce influence of the gear 7 due to radial load caused by installation accuracy to air-tightness in transmission process, lip-type packing
It is fixed on shell 1, reduces the number of parts inside shell 1, keep sealing structure simpler, preferably ensure that driving section
Divide the air-tightness between shell 1.The outer wall of shell 1 and 14 integrally casting of external mechanism case, further ensure inside shell 1
Air-tightness.The inside of disconnecting switch touch base 12 is additionally provided with high speed grounding switch touch base 13, ensure that without using external fast
In the case of fast earthing switch, disconnecting switch touch base 12 can play good shielding action to high speed grounding switch touch base 13.
Multiple observation windows are provided on the side wall of shell 1, the convenient working condition to inside isolation stacked switch is observed.The present invention
It is simple in structure, air-tightness is good, integraty is strong, compared with prior art have clear advantage.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
It encloses and is defined, under the premise of not departing from design spirit of the present invention, technical side of the those of ordinary skill in the art to the present invention
The various modifications and improvement that case is made should all be fallen into the protection domain of claims of the present invention determination.
Claims (6)
1. a kind of every connecing stacked switch, it is characterised in that：Including shell (1), the first touch base (3), the first conducting rod (4), isolation
Switch static side component (5) and earthing switch static side component (6), the opening of shell (1) front end are equipped with earthing switch static side portion
The opening of part (6), shell (1) rear end is equipped with the second disc insulator (2 '), and disconnecting switch static side component (5) and first touch
In the first internal cavity of shell (1), disconnecting switch static side component (5) is solid with the second disc insulator (2 ') for seat (3) setting
The opening of fixed connection, shell (1) bottom end is equipped with the first disc insulator (2), bottom end and the first benzvalene form of the first touch base (3)
The top of insulator (2) connects, and the first touch base (3) top is horizontally disposed with along the longitudinal direction the first conducting rod (4), and first is conductive
It is connect by transmission mechanism between bar (4) and the first touch base (3), transmission mechanism connects with positioned at the external operating mechanism of shell (1)
It connects, the outside packet of the first touch base (3) is equipped with shielding case (11), and the second sky is reserved between shielding case (11) and the first touch base (3)
Chamber (15) is located on shell (1) inner wall below earthing switch static side component (6) and offers the first groove (8), positioned at keeping apart
It closes and offers the second groove (9) on shell (1) inner wall below static side component (5)；
The disconnecting switch static side component (5) and include disconnecting switch touch base (12) and high speed grounding switch touch base (13), quickly
Earthing switch touch base (13) is arranged in the inside of disconnecting switch touch base (12), and the top of disconnecting switch touch base (12) offers through-hole
(17), through-hole (17) is located at the surface of high speed grounding switch touch base (13), and shell (1) top is provided with external fast earthing switch
(14), the bottom end alignment through-hole (17) of internal the second conducting rod (18) of external fast earthing switch (14)；Second conducting rod (18)
To extend into through-hole (17) internal and contacted with high speed grounding switch touch base (13) for bottom end；
When needing to carry out high speed grounding switch closing operation, second conducting rod internal by manipulating external fast earthing switch (14)
(18), so that the bottom end of the second conducting rod (18) is extend into through-hole (17) inside and contacted with high speed grounding switch touch base (13), from
And it realizes high speed grounding switch and closes a floodgate；When needing to carry out disconnecting switch separating brake or high speed grounding switch sub-switching operation, by position
It rotates in the external operating mechanism band moving gear (7) of shell (1), is driven by the engagement of gear (7) and rack (10) counterclockwise
First conducting rod (4) is moved to far from disconnecting switch static side component (5) side, the rear end of the first conducting rod (4) and disconnecting switch
It is separated between static side component (5), the first conducting rod (4) is eventually returned to centre position, realizes the separating brake or quick of disconnecting switch
Grounding switch tripping.
2. according to claim 1 every connecing stacked switch, it is characterised in that：Is provided on the side wall of the shell (1)
One observation window (16), the second observation window (16 ') and third observation window (16 "), the first observation window (16) are located at earthing switch static side
Incision position between component (6) and the first touch base (3), the second observation window (16 ') are located at disconnecting switch static side component (5) and the
Incision position between one touch base (3), third observation window (16 ") are located at external fast earthing switch (14) and are touched with high speed grounding switch
Incision position between seat (13).
3. according to claim 1 every connecing stacked switch, it is characterised in that：The transmission mechanism again include gear (7) and
Rack (10), rack (10) are fixed on the first conducting rod (4) bottom end, and gear (7) setting is below the first conducting rod (4), gear
(7) tooth on is intermeshed with the tooth on rack (10), the end of gear (7) pass through the side wall of shell (1) and with positioned at shell
(1) external operating mechanism connection.
4. according to claim 3 every connecing stacked switch, it is characterised in that：It is arranged between the gear (7) and shell (1)
There are lip-type packing, lip-type packing to be fixed on shell (1).
5. according to claim 1 every connecing stacked switch, it is characterised in that：The bottom end and top of first groove (8)
Between be smoothly connected, be smoothly connected between the bottom end and top of the second groove (9).
6. according to claim 1 every connecing stacked switch, it is characterised in that：The side wall of the shell (1) and outer connection mechanism
The control section setting of case (19) integrally casting, operating mechanism is internal in outer connection mechanism case (19).
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 CN105551849A (en) | 2016-05-04 |
| CN105551849B true 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020234463A1 (en) * | 2019-05-22 | 2020-11-26 | Siemens Aktiengesellschaft | Three-position switch |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110829327B (en) * | 2019-10-09 | 2021-06-29 | 平高集团有限公司 | Bus extension device |
| CN112563065B (en) * | 2020-09-24 | 2021-12-17 | 河南平高电气股份有限公司 | Quiet end subassembly and isolation earthing switch |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3424284B2 (en) * | 1993-11-24 | 2003-07-07 | 富士電機株式会社 | Electric drive shaft equipment for switchboard |
| CN200950415Y (en) * | 2006-06-12 | 2007-09-19 | 包红旗 | Combination type high voltage isolated ground switch |
| CN100563070C (en) * | 2007-02-02 | 2009-11-25 | 河南平高电气股份有限公司 | Gas isolated combination switch device |
| CN101320648B (en) * | 2008-07-02 | 2012-02-01 | 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
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020234463A1 (en) * | 2019-05-22 | 2020-11-26 | Siemens Aktiengesellschaft | Three-position switch |
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| Publication number | Publication date |
|---|---|
| CN105551849A (en) | 2016-05-04 |
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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. |
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