CN109216099A - A kind of GIS device, switching device and its three-phase transmission mechanism - Google Patents
A kind of GIS device, switching device and its three-phase transmission mechanism Download PDFInfo
- Publication number
- CN109216099A CN109216099A CN201710525828.2A CN201710525828A CN109216099A CN 109216099 A CN109216099 A CN 109216099A CN 201710525828 A CN201710525828 A CN 201710525828A CN 109216099 A CN109216099 A CN 109216099A
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- CN
- China
- Prior art keywords
- uni
- drive gear
- gear box
- shaft
- transmission mechanism
- Prior art date
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Classifications
-
- 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
-
- 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
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0352—Gas-insulated switchgear for three phase switchgear
Abstract
The present invention provides a kind of GIS device, switching device and its three-phase transmission mechanisms, are indicated with realizing the division state of threephase switch.Switching device three-phase transmission mechanism includes the uni-drive gear box of three longitudinal gaps arrangement, each uni-drive gear box includes the inputting shaft extended longitudinally and for protruding into the indoor force-output shaft of respective switch gas, alternate transmission shaft is sequentially connected between the inputting shaft of two neighboring uni-drive gear box, there is power input unit, transmission mechanism further includes for acting under the driving of the inputting shaft of corresponding uni-drive gear box with the cue mark of the threephase switch gas chamber division state of display switch device on one of inputting shaft or alternate transmission shaft.By the cue mark that is sequentially connected on inputting shaft, division state is judged accurate and visually for operator, solve the problems, such as in the prior art not observing the physical location of moving contact.
Description
Technical field
The present invention relates to a kind of GIS device, switching device and its three-phase transmission mechanisms.
Background technique
With the development of global power system and the increasingly raising to system operation reliability requirement, SF6Gas-insulated gold
The application for belonging to sealing switch equipment (Gas Insulated metal-enclosed Switchgear, abbreviation GIS) is more and more wider
It is general.Isolation earthing switch is the Important Components in GIS device, and disconnecting switch (DS), which has, suits low current and bus conversion electricity
The ability of stream, earthing switch (ES) have the function of guaranteeing equipment and route reliable ground.In order to avoid maloperation, simplify electrical
Interlocking, usually in 126-252kV GIS device, using the isolation earthing switch of three station forms: disconnecting switch and ground connection are opened
It closes and shares a moving contact, three kinds of operating conditions, i.e. disconnecting switch closing position, earthing switch are realized by the linear motion of moving contact
Closing position and double quartiles are set.The moving contact is located inside isolation earthing switch, is in SF6In gas, need to utilize driver
The rotary force of exterior motor structure is transmitted on internal moving contact by structure, pushes moving contact movement.
Since current GIS device generallys use compact designed, the phase limited separation of equipment, traditional contact observation window without
Method realization carries out observation confirmation to the physical location of isolation earthing switch inside moving contact.Isolation earthing switch generallys use three-phase
Machine driving has the transmission of several levels, herein when the driving torque exported from motor drive mechanism is transmitted on the moving contact of farthest
It will appear driving error in transmission process, i.e., rotate the dynamic touching being unable to judge accurately after certain angle in the phase of side in motor drive mechanism
Head whether divide-shut brake in place.Therefore, it is necessary to each be isolated inside earthing switch is explicitly indicated out by division instruction device
The physical location of contact.
Summary of the invention
The purpose of the present invention is to provide a kind of three-phase transmission mechanisms, are referred to realizing to the division state of threephase switch
Show, additionally provides a kind of switching device and GIS device using the three-phase transmission mechanism.
To achieve the above object, switching device of the present invention is with the technical solution of three-phase transmission mechanism: a kind of switching device
With three-phase transmission mechanism, the uni-drive gear box including three longitudinal gaps arrangement, each uni-drive gear box includes extending longitudinally
Inputting shaft and for protruding into the indoor force-output shaft of respective switch gas, the company of transmission between the inputting shaft of two neighboring uni-drive gear box
It is connected to alternate transmission shaft, there is power input unit on one of inputting shaft or alternate transmission shaft, transmission mechanism further includes being used for
Movement is under the inputting shaft driving of corresponding uni-drive gear box with the instruction of the threephase switch gas chamber division state of display switch device
Label.
Further, uni-drive gear box described in three is respectively that intermediate drive gear case and the avris positioned at two sides are driven
Gear-box, the power input unit are located in one of on alternate transmission shaft, are driven on the inputting shaft of avris uni-drive gear box
It is connected with the cue mark.
Further, three-phase transmission mechanism includes the support frame for being fixed on switching gas chamber or uni-drive gear box, institute
Stating cue mark is the pointer that rotation is set on support frame, is additionally provided with direction board on support frame as described above, the pointer passes through deceleration
The inputting shaft of gear mechanism and corresponding uni-drive gear box is sequentially connected.
The technical solution of switching device of the present invention is: a kind of switching device, including threephase switch gas chamber, switching device also wrap
Three-phase transmission mechanism is included, three-phase transmission mechanism includes the uni-drive gear box of three longitudinal gaps arrangement, and each uni-drive gear box wraps
Include the inputting shaft extended longitudinally and protrude into the indoor force-output shaft of respective switch gas, the inputting shaft of two neighboring uni-drive gear box it
Between be sequentially connected with alternate transmission shaft, there is power input unit, transmission mechanism is also on one of inputting shaft or alternate transmission shaft
Including acting under the driving of the inputting shaft of corresponding uni-drive gear box with the threephase switch gas chamber division state of display switch device
Cue mark.
Further, uni-drive gear box described in three is respectively that intermediate drive gear case and the avris positioned at two sides are driven
Gear-box, the power input unit are located in one of on alternate transmission shaft, are driven on the inputting shaft of avris uni-drive gear box
It is connected with the cue mark.
Further, three-phase transmission mechanism includes the support frame being fixed on switching gas chamber or uni-drive gear box, the finger
Indicating is denoted as the pointer that rotation is set on support frame, is additionally provided with direction board on support frame as described above, the pointer passes through reduction gearing
The inputting shaft of mechanism and corresponding uni-drive gear box is sequentially connected.
Further, the switching device is isolation earthing switch device, and isolation earthing switch device includes that three-phase has
There is the isolation earthing switch of the switching gas chamber.
The technical solution of GIS device of the present invention is: a kind of GIS device, including isolation earthing switch device, and isolation ground connection is opened
Closing device includes three-phase isolation earthing switch, and respectively isolating earthing switch includes switching gas chamber, and isolation earthing switch device is also
Including three-phase transmission mechanism, three-phase transmission mechanism includes the uni-drive gear box of three longitudinal gaps arrangement, and each uni-drive gear box is equal
Including the inputting shaft extended longitudinally and protrude into the indoor force-output shaft of respective switch gas, the inputting shaft of two neighboring uni-drive gear box
Between be sequentially connected with alternate transmission shaft, there is power input unit, transmission mechanism on one of inputting shaft or alternate transmission shaft
It further include acting under the inputting shaft driving of corresponding uni-drive gear box with the threephase switch gas chamber division state of display switch device
Cue mark.
Further, uni-drive gear box described in three is respectively that intermediate drive gear case and the avris positioned at two sides are driven
Gear-box, the power input unit are located in one of on alternate transmission shaft, are driven on the inputting shaft of avris uni-drive gear box
It is connected with the cue mark.
Further, three-phase transmission mechanism includes the support frame being fixed on switching gas chamber or uni-drive gear box, the finger
Indicating is denoted as the pointer that rotation is set on support frame, is additionally provided with direction board on support frame as described above, the pointer passes through reduction gearing
The inputting shaft of mechanism and corresponding uni-drive gear box is sequentially connected.
The beneficial effects of the present invention are: three-phase transmission mechanism provided by the invention is when in use, power passes to wherein one
In the power input unit of a inputting shaft or alternate transmission shaft, and remaining inputting shaft and alternate transmission shaft is driven to be rotated.Enter
Active force is transferred to force-output shaft by power axis, and force-output shaft protrudes into respective switch gas chamber, and the moving contact in switching gas chamber is driven to carry out
The switching of division state is completed in movement.While inputting shaft rotates, cue mark can be transferred the force to, cue mark into
Action is made, and shows the division state of the threephase switch gas chamber of switching device.By the cue mark that is sequentially connected on inputting shaft,
Judge division state accurate and visually for operator, solving in the prior art can not see the physical location of moving contact
The problem of examining.
Power input site is when on alternate transmission shaft, it is only necessary to upload in the inputting shaft of the uni-drive gear box of two avris
Dynamic connection cue mark, since the rotational action of avris uni-drive gear box inputting shaft is by with the alternate of power input unit
Transmission axial sides are passed on, and division state shown by the cue mark of avris uni-drive gear box inputting shaft connection is also same
When show the division state of switching gas chamber corresponding to intermediate drive gear case.
Detailed description of the invention
Fig. 1 is the schematic diagram of gate-dividing state in switching device embodiment of the present invention；
Fig. 2 is the assembling schematic diagram of division instruction device and uni-drive gear box in Fig. 1；
Fig. 3 is the location diagram of pointer and direction board under gate-dividing state in switching device embodiment of the present invention；
Fig. 4 is the schematic diagram of uni-drive gear box in Fig. 1；
Fig. 5 is the general illustration of switching device embodiment of the present invention；
Fig. 6 is the schematic diagram of isolation earthing switch in Fig. 5；
Fig. 7 is the schematic diagram of ground state in switching device embodiment of the present invention；
Fig. 8 is the location diagram of pointer and direction board under ground state in switching device embodiment of the present invention.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment of switching device of the invention, as shown in Figures 1 to 8, the present embodiment is filled with isolation earthing switch
Example is set to be illustrated.Isolation earthing switch device includes the isolation earthing switch 2 of three phase sequences arrangement and each isolation is driven to connect
Ground switchs the three-phase transmission mechanism of divide-shut brake and ground connection.Three-phase transmission mechanism includes DS/ES mechanism 1, is three-phase transmission mechanism
Power source, DS/ES mechanism 1 are externally connected to drive rod 3, and the end of drive rod 3 is connected with commutation uni-drive gear box 5.This implementation
In example, a uni-drive gear box 4 is correspondingly arranged on each isolation earthing switch.
It is illustrated in figure 4 the structure of uni-drive gear box, uni-drive gear box includes transmission gear tank shell, transmission gear box shell
Laterally (direction with the vertical consistency of Fig. 1) is coated with inputting shaft 8 in vivo, and inputting shaft 8 runs through transmission gear tank shell, inputting shaft
8 are rotatably installed on transmission gear tank shell by first bearing 44, are equipped with the first bevel gear 41 on inputting shaft 8, and first
The shaft shoulder of the inputting shaft of 41 side of bevel gear and 46 holding position of first bearing 44, the first oil sealing 45 and first end cover of the other side
Fixation.Second bearing, the second oil sealing 48 and second end cover 47 also equally are provided with outside the side of inputting shaft 8 being pierced by.?
Vertical force-output shaft 43 is additionally provided in uni-drive gear box, the end rotation stop of force-output shaft 43 is equipped with the second bevel gear 42, the second umbrella
41 engaged transmission of gear 42 and the first bevel gear, by the way that sealing ring 49 is arranged between force-output shaft 43 and transmission gear tank shell,
It is filled with lubricant medium between sealing ring 49 and force-output shaft 43, guarantees greasy property.Pass through the first bevel gear 41 and the second umbrella
The rotational motion of lateral inputting shaft 8 is converted to the rotational motion of vertical force-output shaft 43, in force-output shaft by the engagement of gear 42
On can connect the structures such as insulating bar to drive contact to be acted.
As seen from Figure 1, isolation earthing switch device includes three-phase isolation earthing switch 2(arranged up and down i.e. longitudinal
Arrangement), uni-drive gear box 4 is mounted on each isolation earthing switch 2, between the inputting shaft 8 of two neighboring uni-drive gear box 4
It is connected with alternate transmission shaft 6.At alternate transmission shaft between intermediate isolation earthing switch and the isolation earthing switch of lower end
Equipped with commutation uni-drive gear box 5, drive rod 3, drive rod 3 and alternate transmission are connected on the input terminal for the uni-drive gear box 5 that commutates
The axis perpendicular of axis.Division instruction device is set on the isolation earthing switch and the lowermost isolation earthing switch of the top
7。
Division instruction device 7 includes the support frame being located on isolation earthing switch, and support frame passes through the fasteners such as screw 10
It is fixed on isolation earthing switch, support frame is L shape bending structure, and the vertical edge top of L shape support frame has direction board 14, refers to
Show that there are three indicating areas, respectively " ES conjunction ", " DS conjunction " and " dividing ", three circumferentially sequentially to arrange for tool on board 14.Referring to
Show and offer through-hole at board 14, is fixed with flange bearing 16 in the side of through-hole, needle pivot 13 is coated in flange bearing 16,
Thrust washer 17 is installed on needle pivot 13, prevents needle pivot 13 from generating the play in axial direction.Also rotation stop is pacified on needle pivot 13
Equipped with gear wheel 15, nut is separately installed at the both ends of needle pivot 13.Pass through holding screw 11 on the traversing through end of inputting shaft 8
Pinion shaft is installed, pinion shaft rotation stop cooperation synchronous with inputting shaft is realized, pinion gear 12 is installed on pinion shaft.
15 engaged transmission of pinion gear 12 and gear wheel, when inputting shaft 8 rotates, is able to drive bull gear drive.Simultaneously as small
The transmission ratio of gear and gear wheel, so that the angular speed of gear wheel is less than the angular speed of pinion gear, in pinion rotation multi-turn
In the case of, gear wheel is only rotated less than a circle.Pointer reciprocally swinging in the case where swinging less than a circle is set to complete three
The switching of indicating area.
In the present embodiment, it is only necessary to the setting point on the isolation earthing switch and the lowermost isolation earthing switch of the top
Instruction device 7 is closed, i.e., only needs to be arranged on the isolation earthing switch of side phase.Due to the isolation earthing switch of the top
Power is that the uni-drive gear box as corresponding to the isolation earthing switch of interphase is passed on, therefore, the isolation in the top
When earthing switch completes divide-shut brake and ground connection, the isolation earthing switch of interphase also completes divide-shut brake and ground connection.
The use process of isolation earthing switch device of the present invention is: setting the original state of isolation earthing switch device to divide
Lock state, i.e., the moving contact for respectively isolating earthing switch do not contact with static contact or grounding contact, at this time division instruction device
Pointer be directed toward " dividing " region in.When ground connection operation, DS/ES mechanism drives drive rod rotation, active force is gradually transferred to each
It is isolated on inputting shaft corresponding to earthing switch, inputting shaft rotation drives pinion gear to be turned while driving force-output shaft rotation
Dynamic, pinion gear drives gear wheel and pointer to be rotated, and makes in pointer counter-clockwise swing to the indicating area of " ES conjunction ", indicates
Ground connection is in place.In closing operation, drive rod drives inputting shaft to rotate backward first, and then returns to finger clockwise swing
In " dividing " region, then by " dividing " region continue to be rocked in the indicating area of " DS conjunction ", completes closing operation.
In the present embodiment, since drive rod is connected with alternate transmission shaft, therefore, it is necessary to be respectively provided with division in two side phases
Instruction device.In the present embodiment, power input site is on alternate transmission shaft, for the part being connected with reverse box.At it
In his embodiment, drive rod can be connected on inputting shaft corresponding to one of them of two side phases, at this point, power inputs
Portion is located in one of on the inputting shaft of avris uni-drive gear box, and power will be transmitted by the opposite other side in the side, the implementation
In example, it is only necessary to which division instruction device, the division instruction device are set at the traversing through end of the inputting shaft of another side phase
The state of three-phase isolation earthing switch can be shown simultaneously.
In the present embodiment, gear wheel and pinion gear together constitute train of reduction gears, in other embodiments, can not adopt
Divide-shut brake and ground state are indicated with the form of pointer, and divide-shut brake and ground connection shape are shown using the sphere with different colours
State.In the present embodiment, pointer constitutes cue mark.
In the present embodiment, cue mark occurs to swing the instruction for realizing different conditions.In other embodiments, can make to refer to
Indicating note is translatable, and covers loading nut in the external screw-thread of inputting shaft, cue mark is equipped on nut, while nut is oriented to
Or cue mark guiding is mounted on fixed structure, since nut structure guiding installation cannot achieve rotation, is rotated in inputting shaft
Afterwards, nut will drive cue mark and be translatable, and be directed toward different positions.
In the present embodiment, support frame is fixed on isolation earthing switch, in other embodiments, can be by support frame
It is fixed on uni-drive gear box.
The above embodiments are illustrated by taking isolation earthing switch as an example, and in other embodiments, switch can be
Common disconnecting switch or earthing switch.
The embodiment of three-phase transmission mechanism of the present invention, the structure of three-phase transmission mechanism and the structure of above-described embodiment are consistent,
Details are not described herein for its content.
The embodiment of GIS device of the present invention, GIS device include isolation earthing switch device, structure and above-described embodiment
Structure it is consistent, details are not described herein for content.
Claims (10)
1. a kind of switching device three-phase transmission mechanism, it is characterised in that: the uni-drive gear box including three longitudinal gaps arrangement,
Each uni-drive gear box includes the inputting shaft extended longitudinally and for protruding into the indoor force-output shaft of respective switch gas, two neighboring
It is sequentially connected with alternate transmission shaft between the inputting shaft of uni-drive gear box, has on one of inputting shaft or alternate transmission shaft dynamic
Power input unit, transmission mechanism further include for acting under the driving of the inputting shaft of corresponding uni-drive gear box with display switch device
The cue mark of threephase switch gas chamber division state.
2. switching device according to claim 1 three-phase transmission mechanism, it is characterised in that: transmission gear described in three
Case is respectively intermediate drive gear case and the avris uni-drive gear box positioned at two sides, and the power input unit is located in one of phase
Between on transmission shaft, the cue mark is sequentially connected on the inputting shaft of avris uni-drive gear box.
3. switching device according to claim 1 or 2 three-phase transmission mechanism, it is characterised in that: three-phase transmission mechanism packet
The support frame for being fixed on switching gas chamber or uni-drive gear box is included, the cue mark is the finger that rotation is set on support frame
Needle, direction board is additionally provided on support frame as described above, and the pointer passes through the inputting shaft of reduction gear and corresponding uni-drive gear box
Transmission connection.
4. a kind of switching device, including threephase switch gas chamber, it is characterised in that: switching device further includes three-phase transmission mechanism, and three
Phase transmission mechanism include three longitudinal gaps arrangement uni-drive gear box, each uni-drive gear box include extend longitudinally enter power
Axis and the indoor force-output shaft of respective switch gas is protruded into, is sequentially connected with alternate biography between the inputting shaft of two neighboring uni-drive gear box
There is power input unit, transmission mechanism further includes in corresponding transmission gear on moving axis, one of inputting shaft or alternate transmission shaft
The lower movement of the inputting shaft driving of case is with the cue mark of the threephase switch gas chamber division state of display switch device.
5. switching device according to claim 4, it is characterised in that: uni-drive gear box described in three is respectively intermediate passes
Movable tooth roller box and avris uni-drive gear box positioned at two sides, the power input unit are located in one of on alternate transmission shaft, side
The cue mark is sequentially connected on the inputting shaft of side uni-drive gear box.
6. switching device according to claim 4 or 5, it is characterised in that: three-phase transmission mechanism includes being fixed on switch gas
Support frame on room or uni-drive gear box, the cue mark are the pointer that rotation is set on support frame, are gone back on support frame as described above
Equipped with direction board, the pointer is sequentially connected by the inputting shaft of reduction gear and corresponding uni-drive gear box.
7. switching device according to claim 6, it is characterised in that: the switching device is isolation earthing switch device,
Isolation earthing switch device includes the isolation earthing switch that three-phase all has the switching gas chamber.
8. a kind of GIS device, including isolation earthing switch device, isolation earthing switch device includes three-phase isolation earthing switch,
Respectively isolating earthing switch includes switching gas chamber, it is characterised in that: and isolation earthing switch device further includes three-phase transmission mechanism,
Three-phase transmission mechanism includes the uni-drive gear box of three longitudinal gaps arrangement, and each uni-drive gear box includes entering of extending longitudinally
Power axis and the indoor force-output shaft of respective switch gas is protruded into, is sequentially connected between the inputting shaft of two neighboring uni-drive gear box alternate
There is power input unit, transmission mechanism further includes in corresponding driving cog on transmission shaft, one of inputting shaft or alternate transmission shaft
The lower movement of the inputting shaft driving of roller box is with the cue mark of the threephase switch gas chamber division state of display switch device.
9. GIS device according to claim 8, it is characterised in that: uni-drive gear box described in three is respectively intermediate passes
Movable tooth roller box and avris uni-drive gear box positioned at two sides, the power input unit are located in one of on alternate transmission shaft, side
The cue mark is sequentially connected on the inputting shaft of side uni-drive gear box.
10. GIS device according to claim 8 or claim 9, it is characterised in that: three-phase transmission mechanism includes being fixed on switch gas
Support frame on room or uni-drive gear box, the cue mark are the pointer that rotation is set on support frame, are gone back on support frame as described above
Equipped with direction board, the pointer is sequentially connected by the inputting shaft of reduction gear and corresponding uni-drive gear box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710525828.2A CN109216099B (en) | 2017-06-30 | 2017-06-30 | GIS equipment, switching device and three-phase transmission mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710525828.2A CN109216099B (en) | 2017-06-30 | 2017-06-30 | GIS equipment, switching device and three-phase transmission mechanism thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109216099A true CN109216099A (en) | 2019-01-15 |
| CN109216099B CN109216099B (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710525828.2A Active CN109216099B (en) | 2017-06-30 | 2017-06-30 | GIS equipment, switching device and three-phase transmission mechanism thereof |
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| Country | Link |
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| CN (1) | CN109216099B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110808189A (en) * | 2019-10-09 | 2020-02-18 | 平高集团有限公司 | Three-phase common-box isolating switch and high-voltage switch equipment |
| CN112713025A (en) * | 2020-12-14 | 2021-04-27 | 河南平高电气股份有限公司 | Three-phase linkage type electrical switch |
| CN113078010A (en) * | 2021-03-02 | 2021-07-06 | 正泰电气股份有限公司 | Centering device and centering method for insulating pull rod in three-station switch |
| CN116613023A (en) * | 2023-07-21 | 2023-08-18 | 江苏国控电力设备有限公司 | Misoperation preventing interlocking mechanism and device for gas-insulated metal-enclosed switch |
| CN113078010B (en) * | 2021-03-02 | 2024-05-14 | 正泰电气股份有限公司 | Centering device and centering method for insulating pull rod in three-station switch |
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| JP3473865B2 (en) * | 1994-05-13 | 2003-12-08 | 三菱電機株式会社 | Method and device for driving switchgear |
| CN201302944Y (en) * | 2008-10-22 | 2009-09-02 | 国网运行有限公司宜昌超高压管理处 | GIS slitter knife with position indicator |
| CN204045482U (en) * | 2014-06-30 | 2014-12-24 | 中国西电电气股份有限公司 | Isolating switch moving contact position monitoring device in a kind of GIS |
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| JP3473865B2 (en) * | 1994-05-13 | 2003-12-08 | 三菱電機株式会社 | Method and device for driving switchgear |
| CN201302944Y (en) * | 2008-10-22 | 2009-09-02 | 国网运行有限公司宜昌超高压管理处 | GIS slitter knife with position indicator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110808189A (en) * | 2019-10-09 | 2020-02-18 | 平高集团有限公司 | Three-phase common-box isolating switch and high-voltage switch equipment |
| CN110808189B (en) * | 2019-10-09 | 2022-03-08 | 平高集团有限公司 | Three-phase common-box isolating switch and high-voltage switch equipment |
| CN112713025A (en) * | 2020-12-14 | 2021-04-27 | 河南平高电气股份有限公司 | Three-phase linkage type electrical switch |
| CN113078010A (en) * | 2021-03-02 | 2021-07-06 | 正泰电气股份有限公司 | Centering device and centering method for insulating pull rod in three-station switch |
| CN113078010B (en) * | 2021-03-02 | 2024-05-14 | 正泰电气股份有限公司 | Centering device and centering method for insulating pull rod in three-station switch |
| CN116613023A (en) * | 2023-07-21 | 2023-08-18 | 江苏国控电力设备有限公司 | Misoperation preventing interlocking mechanism and device for gas-insulated metal-enclosed switch |
| CN116613023B (en) * | 2023-07-21 | 2023-09-26 | 江苏国控电力设备有限公司 | Misoperation preventing interlocking mechanism and device for gas-insulated metal-enclosed switch |
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| Publication number | Publication date |
|---|---|
| CN109216099B (en) | 2021-05-28 |
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