CN106409596A - Three-gang switch of gas-insulated switch, and gas-insulated switch - Google Patents
Three-gang switch of gas-insulated switch, and gas-insulated switch Download PDFInfo
- Publication number
- CN106409596A CN106409596A CN201510463695.1A CN201510463695A CN106409596A CN 106409596 A CN106409596 A CN 106409596A CN 201510463695 A CN201510463695 A CN 201510463695A CN 106409596 A CN106409596 A CN 106409596A
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- China
- Prior art keywords
- isolation
- ground connection
- contact
- linkage
- moving contact
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- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/42—Driving mechanisms
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- Gas-Insulated Switchgears (AREA)
Abstract
The invention relates to a three-gang switch of a gas-insulated switch. The three-gang switch comprises an isolating moving contact, a grounding moving contact, and a linkage. The isolating moving contact is moved along a first direction among a closed position, an isolated position and an isolation linkage position. The isolating moving contact has an isolating contact portion and an isolating contact portion. The grounding moving contact is moved along a second direction among a ground position, a ground opening position and a ground linkage position, and the grounding moving contact has a ground contact portion and a ground linkage portion. The two ends of the linkage are respectively hinged to the isolation linkage portion and the ground linkage portion. The isolating moving contact is in the isolated position and the grounding moving contact is in the opening position. When the isolating moving contact moves from the isolated position to the isolation linkage position, the linkage drives the grounding moving contact to move from the opening position to the ground position. When the grounding moving contact moves from the opening position to the ground linkage position, the linkage drives the isolating moving contact to move from the isolated position to the closing position. The invention also relates to a gas-insulated switch having the three-gang switch.
Description
Technical field
The present invention relates to a kind of construction of switch, more particularly, to a kind of three-station of gas-insulated switch.Additionally, the present invention
Further relate to a kind of gas-insulated switch with above-mentioned three-station.
Background technology
Three-station combines disconnecting switch and the function of earthed switch, and it includes three working conditions：1st, close a floodgate
State, now disconnecting switch be on the closing position of isolation circuit, earthed switch is in open position；2nd, it is grounded shape
State, now earthed switch be on the earthing position of grounded circuit, disconnecting switch is in isolated location；3rd, isolation,
Now disconnecting switch is in isolated location, earthed switch is in open position.
Content of the invention
It is an object of the invention to provide a kind of three-station of gas-insulated switch, its simple and ingenious structure, can be reliable
Switch between three working conditions.
It is a further object to provide a kind of gas-insulated switch with above-mentioned three-station.
The invention provides a kind of three-station of gas-insulated switch, gas-insulated switch include an isolation static contact and
One grounding static contact, three-station includes an isolation moving contact, a ground connection moving contact and a gangbar.Isolation
Moving contact can move successively along a first direction between a closing position, an isolated location and an isolation linkage position
Dynamic, isolation moving contact has an isolation contact site and an isolation linkage portion in a first direction, be in closing position every
Contact isolation static contact from contact site.Ground connection moving contact can be along a second direction successively in an earthing position, a separating brake
Position and one ground connection linkage position between move, ground connection moving contact have in a second direction one ground connection contact site and one connect
Ground linkage portion, is in the ground connection contact site contact grounding static contact of earthing position.Gangbar two ends are hingedly connected to isolation linkage
Portion and ground connection linkage portion.When isolation moving contact is in isolated location, ground connection moving contact is in open position.Isolation moving contact from
During the mobile linkage position to isolation in isolated location, gangbar can rotate with respect to isolation linkage portion and ground connection linkage portion, to carry
Dynamic ground connection moving contact is from open position movement to earthing position.Ground connection moving contact is from open position movement to ground connection linkage position
When, gangbar can rotate with respect to isolation linkage portion and ground connection linkage portion, to drive isolation moving contact to move from isolated location
To described closing position.The operations linkage process of the three-station of above-mentioned gas insulated switch is ingenious, can be reliably three
Switch between individual working condition.
In a kind of exemplary embodiment of the three-station of gas-insulated switch, wherein, first direction and second direction
It is mutually perpendicular to；The isolation linkage portion of isolation moving contact has an isolation linkage seat；The ground connection linkage portion of ground connection moving contact has
One ground connection linkage seat；First joint face and second joint face that gangbar has relatively and be arranged in parallel, first
Joint face and the second joint face are parallel to first direction, and parallel to second direction, isolation linkage seat is articulated with the first joint face,
Ground connection linkage seat is articulated with the second joint face.Using such design, can make that structure design is simpler, linkage process more may be used
Lean on.
In a kind of exemplary embodiment of the three-station of gas-insulated switch, three-station also includes a transmission
Axle, an action bars and a connecting rod.Power transmission shaft be arranged in isolation linkage seat, its perpendicular to first direction and second direction,
Isolation linkage seat is articulated with the first joint face by one end of power transmission shaft.Action bars there is an operating portion and one can be around operation
The connecting portion that portion rotates, the rotating shaft direction of connecting portion is perpendicular to first direction and second direction.Connecting rod is parallel with gangbar
Setting, its two ends is hingedly connected to the other end of connecting portion and power transmission shaft.Said structure design can conveniently control three stations to open
Close.
In a kind of exemplary embodiment of the three-station of gas-insulated switch, three-station also includes a cover
Body, first fixed seat and second fixed seat.Cover body can house isolation moving contact, ground connection moving contact and gangbar.
First fixed seat is fixedly arranged on cover body, and the first fixed seat has and is available for isolating the isolation contact site stretch out first of moving contact and leads to
Hole.Second fixed seat is fixedly arranged on cover body, and the second fixed seat has and is available for being grounded that the ground connection contact site of moving contact stretches out the
Two through holes.Cover body design can make the more compact structure of three-station.
In a kind of exemplary embodiment of the three-station of gas-insulated switch, three-station also includes two first
Guide post and two the second guide posts.Two the first guide posts are fixedly arranged on the first fixed seat, and two the first guide posts are parallel to
One direction, and it is arranged in isolation linkage seat.Two the second guide posts are fixedly arranged on the second fixed seat, and two the second guide posts are parallel
In second direction, and it is arranged in ground connection linkage seat.First guide post and the second guide post can strengthen isolation moving contact and be grounded dynamic
The moving stability of contact, makes whole linkage structure more preferably stable.
Present invention also offers a kind of gas-insulated switch, it includes an isolation static contact, a grounding static contact and one
Above-mentioned three-station.Wherein, it is in the isolation contact site contact isolation static contact of closing position；It is in connecing of earthing position
Ground contact site contact grounding static contact.
Hereafter by the way of clearly understandable, preferred embodiment is described with reference to the drawings, the three-station to gas-insulated switch
And its above-mentioned characteristic of gas-insulated switch, technical characteristic, advantage and its implementation are further described.
Brief description
The following drawings only does schematic illustration and explanation to the present invention, not delimit the scope of the invention.
Fig. 1 is in order to illustrate a kind of decomposition texture of exemplary embodiment of the three-station of gas-insulated switch.
Fig. 2 is in order to illustrate the structural representation after the three-station combination shown in Fig. 1.
Fig. 3 is in order to illustrate the isolation of the three-station shown in Fig. 1.
Fig. 4 is in order to illustrate the ground state of the three-station shown in Fig. 1.
Fig. 5 is in order to illustrate the "on" position of the three-station shown in Fig. 1.
Fig. 6 decomposes in order to the part-structure that another kind of exemplary embodiment of the three-station of gas-insulated switch is described and shows
It is intended to.
Fig. 7 is in order to illustrate assembled state and the operation principle of three-station shown in Fig. 6.
Fig. 8 is in order to illustrate the structural representation of another exemplary embodiment of the three-station of gas-insulated switch.
Fig. 9 is the part-structure decomposing schematic representation of the three-station shown in Fig. 8.
Label declaration
10 isolation moving contacts
12 isolation contact sites
14 isolation linkage portion
142 isolation linkage seats
16 first fixed seats
162 first through holes
164 first guide posts
20 ground connection moving contacts
22 ground connection contact sites
24 ground connection linkage portion
242 ground connection linkage seats
26 second fixed seats
262 second through holes
264 second guide posts
30 gangbar
32 first joint faces
34 second joint faces
40 power transmission shafts
42 power transmission shafts one end hinged with the first joint face
44 power transmission shafts one end hinged with connecting rod
50 connecting rods
60 action bars
62 operating portions
64 connecting portions
70 isolation static contacts
80 ground connection moving contacts
90 cover bodies.
Specific embodiment
In order to be more clearly understood to the technical characteristic of invention, purpose and effect, now compare the tool of the brief description present invention
Body embodiment, in the various figures identical label represent that structure is identical or structure is similar but function identical part.
Herein, " schematic " expression " serving as example, example or explanation ", should not will be described herein as " showing
Any diagram of meaning property ", embodiment are construed to a kind of preferred or more advantage technical scheme.
For making simplified form, each in figure only schematically show part related to the present invention, and they do not represent its work
Practical structures for product.In addition, for making simplified form readily appreciate, there is in some in figures the portion of identical structure or function
Part, only symbolically depicts one of, or has only marked one of.
Herein, " on ", D score, "front", "rear", "left", "right" etc. be only used for representing the position between relevant portion
Put relation, and their absolute position non-limiting.
Herein, " first ", " second " etc. are only used for differentiation each other, rather than significance level and the order representing them
Deng.
Herein, the restriction in the mathematics of " parallel ", " vertical " etc. non-critical and/or geometry meaning, also comprises this
Skilled person may be appreciated and manufacture or using etc. permission error.
A kind of structure of exemplary embodiment of the three-station of gas-insulated switch is described in conjunction with Fig. 1 and Fig. 2.As
Shown in Fig. 1 and Fig. 2, three-station includes isolation 10, ground connection moving contact 20 of moving contact and a gangbar
30.Wherein, isolation moving contact 10 can move first direction a shown in along in figure arrow, and isolates moving contact 10 along the
One direction a has an isolation linkage portion 14 and an isolation contact jaw 12.Ground connection moving contact 20 can be along in figure arrow institute
Second direction b shown moves, and this second direction b is vertical with first direction a, and is grounded moving contact 20 b in a second direction
There is a ground connection contact site 22 and a ground connection linkage portion 24.The two ends of gangbar 30 can be hingedly connected to isolate moving contact
10 isolation linkage portion 14 and the ground connection linkage portion 24 of ground connection moving contact 20, make the gangbar 30 can be with respect to isolation linkage portion
14 rotate and rotate with respect to ground connection linkage portion 24.
In addition, isolation moving contact 10 can along above-mentioned first direction a successively a closing position (position shown in Fig. 5), one
Move between individual isolated location (position shown in Fig. 3) and isolation linkage position (position shown in Fig. 4).Ground connection moving contact
20 can be along in above-mentioned second direction b successively in an earthing position (position shown in Fig. 4), open position (Fig. 3 institute
Show position), move between ground connection linkage position (position shown in Fig. 5).And as shown in figure 3, at isolation moving contact 10
When isolated location, ground connection moving contact 20 is in open position, and now three-station is in its isolation.As Fig. 4
Shown, when isolation moving contact 10 is from isolated location movement to isolation linkage position, ground connection can be driven dynamic by gangbar 30 by nationality
From open position movement to earthing position, now three-station is in its ground state to contact 20.As shown in figure 5, connecing
When ground moving contact 20 is from ground connection open position movement to ground connection linkage position, nationality isolation moving contact can be driven by gangbar 30
10 from isolated location movement to closing position, and now three-station is in its "on" position.
As shown in Figures 3 to 5, gas-insulated switch has an isolation static contact 70 and a grounding static contact 80, on
The specific operation process stating three-station is, as shown in figure 3, in the isolation of three-station, isolating moving contact
10 are in the centre position in its three positions, i.e. isolated location.During ground connection moving contact 20 is also in its three positions
Between position, i.e. open position.Now the isolation contact site 12 of isolation moving contact 10 cannot isolation static contact 70 in hookup,
The ground connection contact site 22 of ground connection moving contact 20 also cannot grounding static contact 80 in hookup.Ability can be managed with regard to technical staff
Solution, the isolation static contact 70 of in figure and grounding static contact 80 can adopt arbitrarily known structure of contact terminal.When three-station needs
Will when isolation switches to ground state, control isolation moving contact 10 from its isolated location in figure on the right side of move to it
Isolation linkage position.As shown in figure 4, the isolation linkage portion 14 of isolation moving contact 10 can drive gangbar 30 hinged with it
One end side shifting to the right.Because the other end of gangbar 30 is hinged with the ground connection linkage portion 24 of ground connection moving contact 20, and
Grounding contact 20 can only move b in a second direction, therefore gangbar 30 can be with respect to isolation linkage portion 14 and ground connection linkage portion
24 rotations, and drive grounding contact 20 to be moved upward to from its open position by the ground connection linkage portion 24 of grounding contact 20
Its earthing position, the ground connection contact site 22 being in earthing position can contact grounding static contact 80, is grounded the conducting of circuit.
The ground state of three-station is contrary with above-mentioned steps to the switching of isolation, switches to Fig. 3 state from Fig. 4, its
Process here is not repeating.When three-station needs to switch to "on" position from isolation, the state from Fig. 3 to Fig. 5
Switching, need control isolation moving contact 10 from its isolated location in figure on the left of move to its closing position.Now isolate
The isolation contact site 12 of moving contact 10 is contacted with isolation static contact 70, realizes isolation circuit conducting.Meanwhile, isolate dynamic touching
10 isolation linkage portion 14 drives the gangbar 30 one end to the left side shifting hinged with it, another due to gangbar 30
End is hinged with the ground connection linkage portion 24 of ground connection moving contact 20, and grounding contact 20 can only move b in a second direction, therefore connection
Lever 30 can rotate with respect to isolation linkage portion 14 and ground connection linkage portion 24, and by the ground connection linkage portion of grounding contact 20
24 drive grounding contacts 20 are moved downward to its ground connection linkage position from its open position.The "on" position of three-station is extremely
The switching of isolation is contrary with above-mentioned steps, switches to Fig. 3 state from Fig. 5, and its process here is not repeating.In addition,
Aforesaid operations process all taking control isolation moving contact 10 to drive ground connection moving contact 20 as a example describes, and those skilled in the art are permissible
Understand, because the linkage between isolation moving contact 10, ground connection moving contact 20 and gangbar 30 is acted on it is also possible to be connect by control
Ground moving contact 20 drives isolation moving contact 10.
The operations linkage process of the three-station of above-mentioned gas insulated switch is ingenious, can be reliably between three working conditions
Switching.
The three-station of the gas-insulated switch in embodiment shown in Fig. 1 to Fig. 2, its isolation moving contact 10 is mobile
First direction a and ground connection moving contact 20 movement second direction b be mutually perpendicular to, and isolate moving contact 10 isolation link
Portion 14 has an isolation linkage seat 142, and the ground connection linkage portion 24 of ground connection moving contact 20 has a ground connection linkage seat 242.
First joint face 32 and second joint face 34 that gangbar 30 has relatively and be arranged in parallel, the first joint face
32 and second joint face 34 parallel to first direction a, and parallel to second direction b.Isolation linkage seat 142 is articulated with first
Joint face 32, ground connection linkage seat 242 is articulated with the second joint face 34.Using such design, structure design can be made more
Simply, linkage process is more reliable, the difference certainly being needed according to design, and first direction a and second direction b can not also phases
Mutually vertical, as long as ensureing in linkage process, gangbar 30 can be with respect to isolation linkage portion 14 and 24 turns of linkage portion of ground connection
Dynamic.
Fig. 6 decomposes in order to the part-structure that another kind of exemplary embodiment of the three-station of gas-insulated switch is described and shows
It is intended to.For convenience of description, this in figure eliminates ground connection moving contact 20 and gangbar 30.As shown in fig. 6, three-station
May also include 40, connecting rod 50 of a power transmission shaft and an action bars 60.Wherein, isolate the isolation of moving contact 10
Linkage portion 14 (can be found in Fig. 1 and Fig. 2) can be realized hinged with gangbar 30 by linkage seat 142 and power transmission shaft 40.
Concrete structure is that power transmission shaft 40 is arranged in isolation linkage seat 142, and both perpendicular to above-mentioned first direction a and second direction
B, isolation linkage seat 142 is articulated with the first joint face 34 by one end 42 of power transmission shaft 40.Action bars 60 has a behaviour
Make portion 62 and a connecting portion 64 that can rotate around operating portion 62, the rotating shaft direction c of connecting portion 64 is perpendicular to first party
To a and second direction b.Connecting rod 50 is be arranged in parallel with gangbar 30, and its two ends is hingedly connected to connecting portion 64 and transmission
The other end 44 of axle 40.After above-mentioned design, can referring also to Fig. 7, can be by the operating portion 62 of control operation bar 60
Direction shown in along in figure rotates to c around rotary shaft, is rotated around described operating portion 62 with the connecting portion 64 driving action bars 60.
The connecting portion 64 rotating can promote connecting rod 50 to drive a movement in the first direction of isolation moving contact 10, and can pass through connection simultaneously
Lever 30 drives ground connection moving contact 20, and b is mobile (this process refers to Fig. 3 to Fig. 5) in a second direction.
Fig. 8 is in order to illustrate the structural representation of another exemplary embodiment of the three-station of gas-insulated switch.As
Shown in Fig. 8, three-station may also include a cover body 16, second fixed seat 26 of 90, first fixed seat.
Cover body 90 can house isolation moving contact 10, ground connection moving contact 20 and gangbar 30.First fixed seat 16 and the second fixed seat
26 may be disposed at cover body 90, the first fixed seat 16 have be available for isolate moving contact 10 isolation contact site 12 stretch out first
Through hole 162, the second fixed seat 26 has the second through hole 262 being available for that the ground connection contact site 22 of ground connection moving contact 20 stretches out.
Cover body 90 can make the more compact structure of three-station.
Fig. 9 illustrates in order to the decomposition texture that a kind of other exemplary embodiment of the three-station of gas-insulated switch are described
Figure.The cover body 90 in Fig. 8 is eliminated in Fig. 9.As shown in figure 9, three-station may also include two is fixedly arranged on first admittedly
First guide post 164 of reservation 16 and two the second guide posts 264 being fixedly arranged on the second fixed seat 26.Two first guiding
Bar 164 is parallel to first direction a, and is arranged in isolation linkage seat 142.Two the second guide posts 264 are parallel to second direction
B, and it is arranged in ground connection linkage seat 242.First guide post 164 and the second guide post 264 can strengthen isolation moving contact 10 and
The moving stability of ground connection moving contact 20, makes whole linkage structure more preferably stable.
Present invention also offers a kind of gas-insulated switch, refer to Fig. 3 to Fig. 5, gas-insulated switch includes an isolation
70, grounding static contact 80 of static contact and an above-mentioned three-station.Wherein, the isolation moving contact of three-station
10 isolation contact site 12 accessible isolation static contact 70, ground connection moving contact 20 of three-station when being in closing position
Ground connection contact site 22 when being in earthing position can contact grounding static contact.
It should be understood that although this specification is according to the description of each embodiment, but not each embodiment only comprises one solely
Vertical technical scheme, only for clarity, those skilled in the art should be by description for this narrating mode of description
As an entirety, the technical scheme in each embodiment can also through appropriately combined, formed it will be appreciated by those skilled in the art that
Other embodiment.
The a series of detailed description of those listed above is only for illustrating of the possible embodiments of the present invention, they
And be not used to limit the scope of the invention, all equivalent embodiments made without departing from skill spirit of the present invention or change,
As combination, segmentation or the repetition of feature, should be included within the scope of the present invention.
Claims (6)
1. the three-station of gas-insulated switch, gas-insulated switch includes an isolation static contact and a grounding static contact, wherein,
Described three-station includes：
One isolation moving contact (10), it can be along a first direction (a) successively in a closing position, an isolated location and
Move between individual isolation linkage position, described isolation moving contact (10) has an isolation contact site on described first direction (a)
(12) and one isolation linkage portion (14), the described isolation contact site (12) being in closing position contacts described isolation static contact；
One ground connection moving contact (20), it can be along a second direction (b) successively in an earthing position, an open position and
Move between individual ground connection linkage position, described ground connection moving contact (20) has a ground connection contact site on described second direction (b)
(22) and one ground connection linkage portion (24), the described ground connection of described ground connection contact site (22) contact being in described earthing position is quiet
Contact；With
One gangbar (30), its two ends is hingedly connected to described isolation linkage portion (14) and described ground connection linkage portion (24),
When described isolation moving contact (10) is in described isolated location, described ground connection moving contact (20) is in described open position,
When described isolation moving contact (10) is from the movement of described isolated location to described isolation linkage position, described gangbar (30) can
Rotate with respect to described isolation linkage portion (14) and described ground connection linkage portion (24), to drive described ground connection moving contact (20)
From described open position movement to described earthing position,
When described ground connection moving contact (20) is from described open position movement to described ground connection linkage position, described gangbar (30) can
Rotate with respect to described isolation linkage portion (14) and described ground connection linkage portion (24), to drive described isolation moving contact (10)
From the movement of described isolated location to described closing position.
2. three-station as claimed in claim 1, wherein,
Described first direction (a) is mutually perpendicular to described second direction (b)；
The described isolation linkage portion (14) of described isolation moving contact (10) has isolation linkage seat (142)；
The described ground connection linkage portion (24) of described ground connection moving contact (20) has ground connection linkage seat (242)；
First joint face (32) and second joint face (34) that described gangbar (30) has relatively and be arranged in parallel, institute
State the first joint face (32) and described second joint face (34) parallel to described first direction (a), and parallel to described second
Direction (b), described isolation linkage seat (142) is articulated with described first joint face (32), described ground connection linkage seat (242) hinge
It is connected to described second joint face (34).
3. three-station as claimed in claim 2, wherein also includes：
One power transmission shaft (40) being arranged in described isolation linkage seat (142), it is perpendicular to described first direction (a) and described second
Direction (b), described isolation linkage seat (142) is articulated with described first connection by one end (42) of described power transmission shaft (40)
Face (34)；
One action bars (60), it has an operating portion (62) and a connecting portion (64) that can rotate around described operating portion (62),
The rotating shaft direction (c) of described connecting portion (64) is perpendicular to described first direction (a) and described second direction (b)；With
The connecting rod (50) that one is be arranged in parallel with described gangbar (30), its two ends is hingedly connected to described connecting portion (64) and institute
State the other end (44) of power transmission shaft (40).
4. three-station as claimed in claim 2, wherein also includes：
One accommodating described isolation moving contact (10), the described cover body (90) being grounded moving contact (20) and described gangbar (30)；
One the first fixed seat (16) being fixedly arranged on described cover body (90), described first fixed seat (16) has that to be available for described isolation dynamic
The first through hole (162) that the isolation contact site (12) of contact (10) stretches out；
One the second fixed seat (26) being fixedly arranged on described cover body (90), described second fixed seat (26) has that to be available for described ground connection dynamic
Second through hole (262) that the ground connection contact site (22) of contact (20) stretches out.
5. three-station as claimed in claim 4, wherein also includes
Two the first guide posts (164) being fixedly arranged on described first fixed seat (16), two described first guide posts are parallel to described
One direction (a), and it is arranged in described isolation linkage seat (142)；
Two the second guide posts (264) being fixedly arranged on described second fixed seat (26), two described second guide posts are parallel to described
Two directions (b), and it is arranged in described ground connection linkage seat (242).
6. gas-insulated switch, wherein, including：
One isolation static contact (70)；
One grounding static contact (80)；With
One three-station as any one of claim 1 to 5, is wherein in the described isolation contact site (12) of closing position
Contact described isolation static contact (70)；The described ground connection contact site (22) being in earthing position contacts described grounding static contact (80).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510463695.1A CN106409596A (en) | 2015-07-31 | 2015-07-31 | Three-gang switch of gas-insulated switch, and gas-insulated switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510463695.1A CN106409596A (en) | 2015-07-31 | 2015-07-31 | Three-gang switch of gas-insulated switch, and gas-insulated switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106409596A true CN106409596A (en) | 2017-02-15 |
Family
ID=58007766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510463695.1A Pending CN106409596A (en) | 2015-07-31 | 2015-07-31 | Three-gang switch of gas-insulated switch, and gas-insulated switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106409596A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002510847A (en) * | 1998-04-03 | 2002-04-09 | シーメンス アクチエンゲゼルシヤフト | Hermetically sealed container module for gas-insulated switchgear with three-position switch incorporated in electrical circuit |
| CN202736817U (en) * | 2012-08-23 | 2013-02-13 | 中国西电电气股份有限公司 | High-voltage isolation/grounding switch device |
-
2015
- 2015-07-31 CN CN201510463695.1A patent/CN106409596A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002510847A (en) * | 1998-04-03 | 2002-04-09 | シーメンス アクチエンゲゼルシヤフト | Hermetically sealed container module for gas-insulated switchgear with three-position switch incorporated in electrical circuit |
| CN202736817U (en) * | 2012-08-23 | 2013-02-13 | 中国西电电气股份有限公司 | High-voltage isolation/grounding switch device |
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Application publication date: 20170215 |