CN109616367A - A kind of disconnecting switch with a variety of divisions instruction function - Google Patents
A kind of disconnecting switch with a variety of divisions instruction function Download PDFInfo
- Publication number
- CN109616367A CN109616367A CN201811650421.3A CN201811650421A CN109616367A CN 109616367 A CN109616367 A CN 109616367A CN 201811650421 A CN201811650421 A CN 201811650421A CN 109616367 A CN109616367 A CN 109616367A
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- China
- Prior art keywords
- shaft
- divide
- sensor
- disconnecting switch
- traversing
- 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
-
- 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
-
- 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"
- H01H9/165—Indicators for switching condition, e.g. "on" or "off" comprising numbered dials
-
- 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"
- H01H9/167—Circuits for remote indication
Landscapes
- Mechanisms For Operating Contacts (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The present invention relates to a kind of disconnecting switch with a variety of divisions instruction function, including shell, fracture texture and drive mechanism are equipped in shell, drive mechanism includes shaft, shaft has the traversing through end positioned at hull outside, and traversing through end is equipped with indicating members, and hull outside is equipped with and the matching used direction board of indicating members, direction board has the divide-shut brake instruction area for cooperating with indicating members and the graduation mark of display shaft rotational angle, and shaft is fixedly provided with sensor on the traversing through end.The present invention had both been provided with indicating members, direction board at the traversing through end of shaft and had observed at the scene convenient for staff；Analysis and operation can also be carried out by the turn signal spread out of to sensor, obtain the relevant parameters such as the rotational angle of shaft, and judge separating brake, "on" position, the result that two kinds of observed patterns obtain can be mutually authenticated；Also, since indicating members and sensor are mounted on the same axial end of shaft, it is also convenient for carrying out unified installation and maintenance replacement.
Description
Technical field
The present invention relates to a kind of disconnecting switch with a variety of divisions instruction function.
Background technique
GIS (Gas Insulated Switchgear, gas-insulated switchgear) usually by breaker, disconnecting switch,
The components such as earthing switch, mutual inductor, lightning rod, bus, connector and outlet terminal composition.Wherein, as shown in figure 4, keeping apart
It closes 101 to generally include shell and be arranged in the intracorporal fracture texture of shell, fracture texture includes the moved end component of corresponding arrangement and quiet
End pieces, disconnecting switch 101 further include the drive mechanism that moved end component actuation can be driven to realize disconnecting switch separating brake, combined floodgate,
Drive mechanism includes drive shaft 1011.Observe separating brake, the combined floodgate situation of disconnecting switch 101 in real time in order to facilitate Field Force,
In the prior art, divide-shut brake instruction device 102 is provided with by the one end being pierced by shell in drive shaft 1011.Such as Fig. 5
With shown in Fig. 6, divide-shut brake instruction device 102 includes direction board 1021 and shield 1022, and direction board 1021 passes through elastic cylinder
Pin 1023 is fixed on the drive shaft of disconnecting switch, has separating brake instruction area on direction board and instruction area of closing a floodgate, on shield
It, can be for scene when separating brake indicates area or corresponding 1024 pairs of combined floodgate indicating area observation window with transparent observation window 1024
Personnel check with the separating brake of detection and isolation switch, "on" position.
The Chinese utility model patent that Authorization Notice No. is CN207068700U, authorized announcement date is 2018.03.02 discloses
A kind of GIS disconnecting switch divide-shut brake instruction device, divide-shut brake instruction device includes being identified with closing position and open position
Direction board and the pointer for being used to indicate open position and closing position, pointer are connected in rotation axis, and rotation axis is equivalent to shaft,
Direction board is fixedly mounted on Switch main body, and rotation axis can drive indicators turn in disconnecting switch and earthing switch division,
To indicate the division state of disconnecting switch and earthing switch in direction board.
From the foregoing, it will be observed that existing divide-shut brake instruction device can observe separating brake, "on" position at the scene, but for nobody
Substation on duty increases the amount of labour if manually scene is gone to be confirmed.Moreover, disconnecting switch is after prolonged use,
Pointer may deflect relative to shaft, and there may be error, misregisters for indicators turn.Simultaneously as being isolated
Pointer and direction board are only set on switch to show separating brake, "on" position, it can not be into the instruction result of pointer has error
Row verifying.
Summary of the invention
The purpose of the present invention is to provide a kind of disconnecting switch with a variety of divisions instruction function, to solve existing skill
The technology that the accuracy of result can not remotely be monitored, indicate and can not verify by keeping apart the divide-shut brake instruction device shut in art is asked
Topic.
To achieve the above object, the technical solution of the disconnecting switch with a variety of divisions instruction function of the invention is:
A kind of disconnecting switch with a variety of divisions instruction function, including shell, shell is interior to be equipped with fracture texture and driving
The drive mechanism of moved end component separating brake, feed motion in fracture texture, drive mechanism includes shaft, and the shaft, which has, to be located at
The traversing through end of hull outside, indicating members are installed on the traversing through end of the shaft, and hull outside is equipped with mating with indicating members
The direction board used, the direction board, which has, to be indicated for cooperating with indicating members with the divide-shut brake for showing separating brake, "on" position
Area is additionally provided on the direction board for cooperating the graduation mark to show shaft rotational angle with indicating members, the shaft
It is fixedly provided on the traversing through end and rotates with shaft with the sensor of output revolving shaft turn signal.
The beneficial effects of the present invention are: compared to the prior art, the present invention is both provided with pointer at the traversing through end of shaft
Component, direction board observe the rotational angle of disconnecting switch separating brake, "on" position and shaft for Field Force in real time；Shaft turns
Dynamic information can also pass through sensor transmissions to rear and carry out subsequent analysis and operation, with this obtain separating brake, "on" position and
The rotational angle of shaft can be realized long-range monitoring for unattended substation, does not need artificial carry out scene and checks,
Reduce the labor intensity of personnel.And the accuracy that two ways measures result can be mutually authenticated.Moreover, it is of the invention every
The Central Shanxi Plain is left, indicating members and sensor are arranged at the same shaft end position of shaft, are convenient for unified installation and inspection
Repair replacement.
Further, the end of the traversing through end is provided with sensor installation seat, and the sensor is removable assigned in sensing
In device mounting base.Sensor releasable connection is on sensor installation seat, convenient for being replaced after sensor breaks down.
Further, the sensor installation seat includes the ring set being set on the shaft and the sensor that is fixedly arranged on ring set
Mounting plate, the sensor are set to the end of the sensor mounting plate, and the corresponding position correspondence of the ring set and shaft opens up
There is radial perforation and the realization of the pin by being set in radial perforation is relatively fixed.Ring set is fixedly connected with shaft, sensor peace
Loading board is connect with sensor, and structure is simple and convenient for connection.
Further, the indicating members are fixedly mounted on sensor installation seat.Indicating members are directly fixedly mounted
On sensor installation seat, indicating members, sensor installation seat and sensor prepackage form a prepackage module, integrated level
Height, when in-site installation, are more convenient.
Further, the pivot center of the divide-shut brake instruction area and the graduation mark twisted rotary shaft is circumferentially sequentially arranged,
The indicating members include that successively spaced apart divide-shut brake pointer and angle indicator, divide-shut brake pointer are used for along the circumferential direction of shaft
Indicate that area is corresponding to show disconnecting switch separating brake, "on" position with the divide-shut brake, angle indicator is used for and the quarter on direction board
The corresponding rotational angle precisely to show shaft of degree line.Two kinds of pointers are provided separately, it is easy to produce processing and respectively with point
It closes a floodgate and indicates the corresponding installation in area, angle indicator point, and also easily facilitate observation, prevent from interacting in observation.
Further, the direction board includes having the divide-shut brake indicating section in divide-shut brake instruction area and having described
The angle indicator of graduation mark point, the divide-shut brake indicating section and angle indicator divide the pivot center of twisted rotary shaft circumferentially to divide
Body arrangement.Divide the divide-shut brake indicating section and angle indicator of direction board to split settings, convenient for carrying out respectively more to two parts
It changes and installs.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the specific embodiment of the disconnecting switch that function is indicated with a variety of divisions of the invention；
Fig. 2 is structure at traversing through end in the specific embodiment of the disconnecting switch for indicating function with a variety of divisions of the invention
Schematic diagram；
Fig. 3 is instruction sign meaning in the specific embodiment of the disconnecting switch with a variety of division instruction functions of the invention
Figure；
Fig. 4 is the schematic diagram of disconnecting switch in the prior art；
Fig. 5 is the schematic diagram of divide-shut brake instruction device in the prior art；
Fig. 6 is Fig. 5 right view.
Description of symbols: 1- disconnecting switch；2- drive shaft；3- shell；4- direction board；41- divide-shut brake indicating section；
42- angle indicator point；5- sensor installation seat；51- ring set；52- mounting plate；6- sensor；7- indicating members；71- division
Lock pointer；72- angle indicator；8- elastic cylindrical pin；101- disconnecting switch；1011- drive shaft；102- divide-shut brake instruction dress
It sets；1021- direction board；1022- shield；1023- elastic cylindrical pin；1024- observation window.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment of disconnecting switch with a variety of divisions instruction function of the invention, as shown in Figure 1 to Figure 3, every
Leaving pass 1 includes shell 3, is equipped with the fracture texture being made of moved end component and static side component in shell 3, further includes transmission knot
Structure, drive mechanism and moved end component are sequentially connected, to drive moved end component and static side component to carry out separating brake and combined floodgate.Drive mechanism
Including drive shaft 2, for the ease of observing 2 rotational angle of separating brake, "on" position and drive shaft of disconnecting switch 1, transmission turns
2 one end of axis is pierced by outside shell 3 to shell 3, and drive shaft 2 is located at the part outside shell 3 and constitutes traversing through end.Drive shaft 2
Traversing through end on be provided with indicating members 7, be provided with outside shell 3 and the matching used direction board 4 of indicating members 7, transmission turns
Axis 2 is fixedly provided on the traversing through end to be rotated with drive shaft 2 to transmit the sensor 6 of turn signal, sensor 6 with keep apart
1 control system communication connection is closed with to the turn signal of control system transferring drive shaft 2.
As shown in Fig. 2, sensor installation seat 5 is installed in the traversing through end end of drive shaft 2 in the present embodiment, sensor 6 is solid
It is scheduled on sensor installation seat 5 to realize and be fixedly connected with drive shaft 2.Specifically, sensor installation seat 5 includes ring set
51 and mounting plate 52, ring set 51 be directly set on traversing through end, while being additionally provided on the traversing through end of ring set 51 and drive shaft 2
For elastic cylindrical pin 8 on the location hole positioned, the location hole and drive shaft 2 of 5 upper ring cap 51 of sensor installation seat
Location hole it is corresponding after penetrate elastic cylindrical pin 8 and sensor installation seat 5 can be fixedly mounted on drive shaft 2.Sensor 6
Be then by the removable mounting plate 52 for being fixedly mounted on sensor installation seat 5 of bolt, when sensor 6 breaks down convenient for into
Row replacement.The sensor 6 that 2 rotation information of drive shaft is detected in the present embodiment is attitude transducer, specifically can be with reference to authorization
The attitude transducer recorded in the patent document that notification number is CN203519011U, the specific structure of attitude transducer are existing skill
Art, details are not described herein.
Go out the rotational angle of separating brake, "on" position and drive shaft 2 in order to more clear indication, as shown in figure 3,
Direction board 4 includes the divide-shut brake indicating section 41 equipped with divide-shut brake instruction area and the angle instruction equipped with graduation mark in the present embodiment
Part 42；Corresponding with direction board 4, indicating members 7 include the divide-shut brake pointer 71 and angle along the circumferential seperated arrangement of drive shaft 2
Pointer 72, for corresponding with divide-shut brake instruction area, angle indicator 72 is used to refer to the angle for being equipped with graduation mark divide-shut brake pointer 71
Show that part 42 is corresponding.
Divide-shut brake indicating section 41 and angle indicator point 42 are circumferentially sequentially arranged, and divide-shut brake indicating section 41, which is located at, to be referred to
Show 4 upper half of board, divide-shut brake pointer 71 is "on" position in left side, and divide-shut brake pointer 71 is gate-dividing state on right side；Angle refers to
Showing that part 42 is located at 4 lower half portion of direction board, 4 lower half portion of direction board is evenly arranged with graduation mark along the circumferential direction of drive shaft 2,
Angle indicator 72 is corresponding with graduation mark accurately to represent the angle that drive shaft 2 specifically rotates.By divide-shut brake instruction area with
Graduation mark, which separates and carries out instruction respectively, easily facilitates observation, prevents from interacting in observation.Direction board 4 in the present embodiment
It is mounted by means of bolts on the shell 3 of disconnecting switch 1, to guarantee that direction board 4 will not be rotated with drive shaft 2.
In order to improve integrated level, convenient for the installation of indicating members 7, indicating members 7 are directly anchored to sense in the present embodiment
On the mounting plate 52 of device mounting base 5, when drive shaft 2 rotates, it is able to drive sensor installation seat 5 and sensor 6 rotates, therefore
Also it is able to drive indicators turn, to realize the rotational angle and separating brake, "on" position of instruction drive shaft 2.
The present embodiment had been provided with indicating members 7, direction board 4 both at the traversing through end of drive shaft 2 for Field Force's reality
When observation disconnecting switch separating brake, "on" position and drive shaft 2 rotational angle；The rotation information of drive shaft 2 can also pass through
Sensor 6 is transmitted to rear and carries out subsequent analysis and operation, obtains turning for separating brake, "on" position and drive shaft 2 with this
Dynamic angle can be realized long-range monitoring for unattended substation, does not need artificial carry out scene and checks, reduces people
The labor intensity of member.And the accuracy that two ways measures result can be mutually authenticated.Moreover, disconnecting switch of the invention
In, indicating members 7 and sensor 6 are arranged at the same shaft end position of drive shaft 2, are convenient for unified installation and inspection
Repair replacement.
In the present embodiment, sensor is fixed on sensor installation seat by the way that bolt is removable, in other embodiments, can also
Weld part to be arranged on a sensor, it is directly welded at the traversing through end of drive shaft by weld part, sensor is set not in this way
Easily loosen still also not easy to disassemble and replacement.In other embodiments, sensor can also be welded on sensor installation seat,
It is fixed on drive shaft by the way that sensor installation seat is removable.
Sensor installation seat is fixed on drive shaft by elastic cylindrical pin in the present embodiment, in other embodiments,
It can also be mounted on drive shaft by screw, bolt；Or it is arranged on ring set internal perisporium and on drive shaft corresponding
Screw thread, sensor installation seat are threadedly secured on drive shaft；Or it is bonded on drive shaft by ring set.
Indicating members are fixedly mounted on sensor installation seat in the present embodiment, in other embodiments, can also will be referred to
Needle is fixedly connected on drive shaft.
There is direction board the divide-shut brake indicating section in divide-shut brake instruction area and the angle equipped with graduation mark to refer in the present embodiment
Show part, indicating members include the divide-shut brake pointer and angle indicator along the circumferential seperated arrangement of drive shaft, and divide-shut brake pointer is used
In indicating that area is corresponding with divide-shut brake, angle indicator is for corresponding with graduation mark；In other embodiments, one can also be only arranged
Pointer, and divide-shut brake indicating section and angle indicator set up separately and set in a piece of fan-shaped region, in direction board in the middle part of the pointer
The corresponding instruction separating brake, "on" position of internal layer, pointer finger tip are in direction board outer layer instruction drive shaft rotational angle.
The shaft of disconnecting switch of the invention can be the drive shaft for directly driving moved end component separating brake, feed motion,
Or the output revolving shaft that is connected with drive shaft, the output revolving shaft do not play driving moved end component actuation, be only for
The associated components of installation divide-shut brake and the output revolving shaft specially drawn.
Claims (6)
1. a kind of disconnecting switch with a variety of divisions instruction function, including shell, shell is interior to be equipped with fracture texture and drives disconnected
The drive mechanism of moved end component separating brake, feed motion in mouth structure, drive mechanism includes shaft, and the shaft, which has, is located at shell
Traversing through end outside body, it is characterised in that: indicating members are installed on the traversing through end of the shaft, hull outside is equipped with and pointer
The matching used direction board of component, the direction board have the pivot center arrangement of twisted rotary shaft and for cooperating with indicating members
To show that the divide-shut brake of separating brake, "on" position indicates area, the direction board is equipped with the pivot center of twisted rotary shaft circumferentially
For cooperating with indicating members to show the graduation mark of shaft rotational angle, be fixedly provided on the traversing through end of the shaft
It rotates with shaft with the sensor of output revolving shaft turn signal.
2. the disconnecting switch according to claim 1 with a variety of divisions instruction function, it is characterised in that: the shaft
The end of traversing through end is provided with sensor installation seat, and the sensor is removable assigned on sensor installation seat.
3. the disconnecting switch according to claim 2 with a variety of divisions instruction function, it is characterised in that: the sensor
Mounting base includes the ring set being set on the shaft and the sensor mounting plate that is fixedly arranged on ring set, and the sensor is set to the sensing
The corresponding position of the end of device mounting plate, the ring set and shaft is corresponding to offer radial perforation and by being set to radial perforation
In pin realize relatively fixed assembly.
4. the disconnecting switch according to claim 2 or 3 with a variety of divisions instruction function, it is characterised in that: the finger
Needle part is fixedly mounted on sensor installation seat.
5. the disconnecting switch according to claim 1 or 2 or 3 with a variety of divisions instruction function, it is characterised in that: described
The pivot center of divide-shut brake instruction area and the graduation mark twisted rotary shaft is circumferentially sequentially arranged, and the indicating members include along shaft
Circumferential direction successively spaced apart divide-shut brake pointer and angle indicator, divide-shut brake pointer is used for corresponding with divide-shut brake instruction area
To show disconnecting switch separating brake, "on" position, angle indicator is for corresponding with the graduation mark on direction board precisely to show shaft
Rotational angle.
6. the disconnecting switch according to claim 5 with a variety of divisions instruction function, it is characterised in that: the direction board
Divide including the divide-shut brake indicating section with divide-shut brake instruction area and the angle indicator with the graduation mark, described point
Combined floodgate indicating section and angle indicator divide the pivot center of twisted rotary shaft circumferential seperated arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650421.3A CN109616367B (en) | 2018-12-31 | 2018-12-31 | Isolating switch with multiple on-off indicating functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650421.3A CN109616367B (en) | 2018-12-31 | 2018-12-31 | Isolating switch with multiple on-off indicating functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109616367A true CN109616367A (en) | 2019-04-12 |
| CN109616367B CN109616367B (en) | 2021-05-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811650421.3A Active CN109616367B (en) | 2018-12-31 | 2018-12-31 | Isolating switch with multiple on-off indicating functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109616367B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114089180A (en) * | 2021-11-19 | 2022-02-25 | 中国南方电网有限责任公司超高压输电公司广州局 | Device, method and system for monitoring opening and closing of disconnecting link and computer readable storage medium |
| CN114121542A (en) * | 2021-12-04 | 2022-03-01 | 中国南方电网有限责任公司超高压输电公司梧州局 | Isolation switch state indicating device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6380718U (en) * | 1986-11-14 | 1988-05-27 | ||
| CN2872573Y (en) * | 2005-10-11 | 2007-02-21 | 綦学尧 | Operating mechanism of isolated switch |
| CN202442755U (en) * | 2012-01-15 | 2012-09-19 | 中国石油化工股份有限公司胜利油田分公司孤岛采油厂 | Float-ball liquid level indicator |
| CN202662519U (en) * | 2012-04-20 | 2013-01-09 | 许继集团有限公司 | Isolation switch |
| CN103700526A (en) * | 2013-12-30 | 2014-04-02 | 北京双杰电气股份有限公司 | Indication device |
| CN203966873U (en) * | 2014-05-23 | 2014-11-26 | 广东电网公司东莞供电局 | A kind of GIS isolating switch position indicator |
| CN105185618A (en) * | 2015-08-18 | 2015-12-23 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | GIS switch opening and closing indicating device |
| CN204946788U (en) * | 2015-09-14 | 2016-01-06 | 广东电网有限责任公司中山供电局 | GIS divide-shut brake position indicator |
| CN206877895U (en) * | 2017-06-12 | 2018-01-12 | 辽宁精通世创发展股份有限公司 | Disconnecting switch with angle detection device |
| CN207038376U (en) * | 2017-07-31 | 2018-02-23 | 中国西电电气股份有限公司 | It is a kind of that the GIS bindiny mechanisms divided with lock instruction device are housed |
| CN207068700U (en) * | 2017-08-08 | 2018-03-02 | 广东电网有限责任公司佛山供电局 | A kind of GIS disconnecting switch divide-shut brake instruction device |
-
2018
- 2018-12-31 CN CN201811650421.3A patent/CN109616367B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6380718U (en) * | 1986-11-14 | 1988-05-27 | ||
| CN2872573Y (en) * | 2005-10-11 | 2007-02-21 | 綦学尧 | Operating mechanism of isolated switch |
| CN202442755U (en) * | 2012-01-15 | 2012-09-19 | 中国石油化工股份有限公司胜利油田分公司孤岛采油厂 | Float-ball liquid level indicator |
| CN202662519U (en) * | 2012-04-20 | 2013-01-09 | 许继集团有限公司 | Isolation switch |
| CN103700526A (en) * | 2013-12-30 | 2014-04-02 | 北京双杰电气股份有限公司 | Indication device |
| CN203966873U (en) * | 2014-05-23 | 2014-11-26 | 广东电网公司东莞供电局 | A kind of GIS isolating switch position indicator |
| CN105185618A (en) * | 2015-08-18 | 2015-12-23 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | GIS switch opening and closing indicating device |
| CN204946788U (en) * | 2015-09-14 | 2016-01-06 | 广东电网有限责任公司中山供电局 | GIS divide-shut brake position indicator |
| CN206877895U (en) * | 2017-06-12 | 2018-01-12 | 辽宁精通世创发展股份有限公司 | Disconnecting switch with angle detection device |
| CN207038376U (en) * | 2017-07-31 | 2018-02-23 | 中国西电电气股份有限公司 | It is a kind of that the GIS bindiny mechanisms divided with lock instruction device are housed |
| CN207068700U (en) * | 2017-08-08 | 2018-03-02 | 广东电网有限责任公司佛山供电局 | A kind of GIS disconnecting switch divide-shut brake instruction device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114089180A (en) * | 2021-11-19 | 2022-02-25 | 中国南方电网有限责任公司超高压输电公司广州局 | Device, method and system for monitoring opening and closing of disconnecting link and computer readable storage medium |
| CN114089180B (en) * | 2021-11-19 | 2024-04-02 | 中国南方电网有限责任公司超高压输电公司广州局 | Knife switch opening and closing monitoring equipment, method, system and computer readable storage medium |
| CN114121542A (en) * | 2021-12-04 | 2022-03-01 | 中国南方电网有限责任公司超高压输电公司梧州局 | Isolation switch state indicating device |
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|---|---|
| CN109616367B (en) | 2021-05-14 |
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