CN109637861B - Isolating switch - Google Patents
Isolating switch Download PDFInfo
- Publication number
- CN109637861B CN109637861B CN201811650412.4A CN201811650412A CN109637861B CN 109637861 B CN109637861 B CN 109637861B CN 201811650412 A CN201811650412 A CN 201811650412A CN 109637861 B CN109637861 B CN 109637861B
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- switching
- rotating shaft
- switch
- sensor
- pointer
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- 230000005540 biological transmission Effects 0.000 claims abstract description 53
- 230000000149 penetrating effect Effects 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000010354 integration Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—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
- H02B13/0356—Mounting of monitoring devices, e.g. current transformers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanisms For Operating Contacts (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention relates to an isolating switch which comprises a shell, wherein a fracture structure and a transmission structure are arranged in the shell, the transmission structure comprises a rotating shaft, the rotating shaft is provided with a penetrating end positioned outside the shell, a switching-off and switching-on pointer is arranged on the penetrating end, a sign matched with the switching-off and switching-on pointer is arranged outside the shell, the sign is provided with a switching-off and switching-on indication area matched with the switching-off and switching-on pointer, and a sensor is fixedly arranged on the penetrating end of the rotating shaft. The invention is provided with a switching-on/off pointer and a sign at the penetrating end of the rotating shaft so as to facilitate on-site observation; the rotating signals transmitted by the sensors can be analyzed and operated to obtain relevant parameters such as the rotating angle of the rotating shaft and judge the opening and closing state, and results obtained by the two observation modes can be verified mutually; and because the switching-on and switching-off pointer and the sensor are arranged at the same shaft end of the rotating shaft, uniform installation, overhaul and replacement are facilitated.
Description
Technical Field
The invention relates to an isolating switch.
Background
A Gas Insulated Switchgear (GIS) generally comprises a circuit breaker, a disconnecting switch, a grounding switch, a transformer, a lightning rod, a bus bar, a connecting piece, an outlet terminal and the like. As shown in fig. 4, the disconnecting switch 101 generally includes a housing and a fracture structure disposed in the housing, where the fracture structure includes a movable end component and a stationary end component that are disposed correspondingly, the disconnecting switch 101 further includes a transmission structure that can drive the movable end component to act to implement opening and closing of the disconnecting switch, and the transmission structure includes a transmission rotating shaft 1011. In order to facilitate field personnel to observe the opening and closing state of the isolating switch 101 in real time, in the prior art, an opening and closing indicating device 102 is arranged at one end of the transmission rotating shaft 1011, which penetrates out of the shell. As shown in fig. 5 and 6, the switching indication device 102 includes an indication plate 1021 and a protection cover 1022, the indication plate 1021 is fixed on a transmission rotation shaft 1011 of the disconnecting switch through an elastic cylindrical pin 1023, the indication plate 1021 has a switching indication area and a switching indication area, the protection cover 1022 has a transparent observation window 1024, and when the switching indication area or the switching indication area corresponds to the observation window 1024, a field person can observe and judge the switching and switching states of the disconnecting switch.
Chinese utility model patent that the bulletin number of authorizing is CN204857506U, the date of authorizing bulletin is 2015.12.09 discloses a GIS switch divide-shut brake indicating device, and the device has sign, instruction window and drive mechanism, and the sign has the sign axle, and the sign axle passes through drive mechanism transmission with isolator's transmission shaft to be connected, and isolator's transmission shaft is the pivot promptly. The transmission shaft can move after rotating and cross drive mechanism and drive the sign axle and rotate to drive the sign and rotate, be provided with red region, white region and green region on the sign, be provided with transparent region on the instruction window, isolator's separating brake, combined floodgate state can be instructed through transparent region on the instruction window to the sign.
As described above, although the conventional opening/closing indicating device can observe the opening/closing state on site, the amount of labor is increased if the unattended substation is manually confirmed on site.
Disclosure of Invention
The invention aims to provide a disconnecting switch, which is used for solving the technical problem that a switching-on and switching-off indicating device on the disconnecting switch in the prior art cannot be remotely monitored.
In order to achieve the purpose, the technical scheme of the isolating switch is as follows:
isolator, including the casing, be equipped with the transmission structure of moving end part separating brake, the combined floodgate action in fracture structure and the drive fracture structure in the casing, transmission structure includes the pivot, the pivot has the end of wearing out that is located the casing outside, be equipped with the divide-shut brake pointer on the end of wearing out of pivot, the casing outside is equipped with the sign with the supporting use of divide-shut brake pointer, the sign utensil encircles the axis of rotation of pivot and arranges and be used for and the divide-shut brake pointer cooperation is with the divide-shut brake instruction area that shows separating brake, combined floodgate state, the pivot is worn out to serve and still set firmly along with the pivot rotation with the sensor of transmission rotation signal this.
The invention has the beneficial effects that: compared with the prior art, the invention is provided with the opening and closing pointer and the indicating plate at the penetrating end of the transmission rotating shaft so that field personnel can observe the opening and closing states of the isolating switch in real time; and the rotation information of the transmission rotating shaft can be transmitted to the rear through the sensor and is subjected to subsequent analysis and calculation, so that the opening and closing states of the isolating switch and the accurate rotation angle of the transmission rotating shaft can be obtained. The unattended transformer substation can be remotely monitored, manual on-site checking is not needed, and labor intensity of personnel is reduced. And the results of the two measurements can be mutually verified. In the isolating switch, the switching-on and switching-off pointer and the sensor are arranged at the same shaft end position of the transmission rotating shaft, so that uniform and concentrated installation, maintenance and replacement are facilitated.
Furthermore, a sensor mounting seat is arranged at the end part of the penetrating end of the rotating shaft, and the sensor is detachably assembled on the sensor mounting seat. Sensor detachable connection is convenient for change after the sensor breaks down on the sensor mount pad.
Furthermore, the sensor mounting seat comprises a ring sleeve sleeved on the rotating shaft and a sensor mounting plate fixedly arranged on the ring sleeve, the sensor is arranged at the end part of the sensor mounting plate, radial through holes are correspondingly formed in the corresponding positions of the ring sleeve and the rotating shaft, and relative fixed assembly is realized through pins arranged in the radial through holes. The ring sleeve is fixedly connected with the transmission rotating shaft, and the mounting plate is connected with the sensor, so that the structure is simple and the connection is convenient.
Furthermore, the switching-on and switching-off pointer is fixedly arranged on the sensor mounting seat. The switching-on and switching-off pointer, the sensor mounting seat and the sensor are preassembled to form a preassembled module, the integration level is high, and the field installation is more convenient.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a disconnector according to the invention;
fig. 2 is a schematic structural diagram of a piercing end in an embodiment of the isolating switch of the invention;
FIG. 3 is a schematic diagram of the cooperation of a sign, pointer and sensor in an embodiment of the isolator switch of the present invention;
FIG. 4 is a schematic diagram of a prior art isolator switch;
fig. 5 is a schematic diagram of a switching-on/off indicating device in the prior art;
FIG. 6 is a right side view of FIG. 5;
description of reference numerals: 1-an isolating switch; 2-driving the rotating shaft; 3-a shell; 4-a sign; 41-switching on and off indication part; 5-a sensor mount; 51-loop sleeve; 52-a mounting plate; 6-a sensor; 7-switching on and off pointer; 8-elastic cylindrical pins; 101-an isolating switch; 1011-a transmission rotating shaft; 102-switching on and off indicating device; 1021-a sign; 1022-a protective cover; 1023-a resilient cylindrical pin; 1024 — observation window.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In the specific embodiment of the disconnecting switch of the present invention, as shown in fig. 1 to 3, the disconnecting switch 1 includes a housing 3, a fracture structure formed by a moving end component and a static end component is disposed in the housing 3, and the disconnecting switch 1 further includes a transmission structure, and the transmission structure is in transmission connection with the moving end component to drive the moving end component to act so as to implement opening and closing of the disconnecting switch 1. The transmission structure comprises a transmission rotating shaft 2, and in order to observe the opening and closing states of the isolating switch 1, one end of the transmission rotating shaft 2 penetrates out of the shell 3 to form a penetrating end. The penetrating end of the transmission rotating shaft is provided with a switching-on/off pointer 7, the outside of the shell 3 is provided with an indicating plate 4 matched with the switching-on/off pointer 7, and the penetrating end of the transmission rotating shaft 2 is further fixedly provided with a sensor 6 which rotates along with the transmission rotating shaft 2 to transmit a rotation signal.
As shown in fig. 2, in the embodiment, a sensor mounting seat 5 is installed at the end of the penetrating end of the transmission rotating shaft 2, and the sensor 6 is fixed on the sensor mounting seat 5 so as to be fixedly connected with the transmission rotating shaft 2. Specifically, the sensor mounting base 5 includes a ring sleeve and a mounting plate 52, the ring sleeve 51 is directly sleeved on the penetrating end, meanwhile, positioning holes for the elastic cylindrical pins 8 to penetrate through for positioning are further formed in the penetrating ends of the ring sleeve 51 and the transmission rotating shaft 2, namely, radial through holes are formed in the penetrating ends, and the sensor mounting base 5 can be fixedly mounted on the transmission rotating shaft 2 by penetrating the elastic cylindrical pins 8 after the positioning holes in the sensor mounting base 5 correspond to the positioning holes in the transmission rotating shaft 2. The sensor 6 is detachably and fixedly mounted on the mounting plate 52 of the sensor mounting seat 5 through bolts, and the sensor 6 is convenient to replace when in failure. In this embodiment, the sensor 6 for detecting the rotation information of the transmission rotating shaft 2 is an attitude sensor, and specifically, reference may be made to an attitude sensor described in a patent document with an authorization publication number of CN203519011U, and a specific structure of the attitude sensor is the prior art, which is not described herein again.
As shown in fig. 3, the indication board 4 has an opening/closing indication portion 41 having an opening/closing indication area, and the opening/closing indication portion 41 is located in the upper half of the indication board 4, and the pointer is in an opened state on the left side and in an opened state on the right side. Sign 4 in this embodiment is fixed to be passed through bolt fixed mounting on isolator 1's casing 3 to guarantee that sign 4 can not rotate along with transmission pivot 2.
In order to improve the integration level and facilitate the installation of the switching-on/off pointer 7, the switching-on/off pointer 7 is directly fixed on the mounting plate 52 of the sensor mounting seat 5 in this embodiment, and when the transmission rotating shaft 2 rotates, the sensor mounting seat 5 and the sensor 6 can be driven to rotate, so that the switching-on/off pointer 7 can also be driven to rotate, and the switching-on/off state of the transmission rotating shaft 2 can be indicated.
In the embodiment, the break-make pointer 7 and the indication board 4 are arranged at the penetrating end of the transmission rotating shaft 2 and used for observing the break-make and break-make states of the isolating switch on site; the rotation signal transmitted by the sensor 6 can be analyzed and operated to obtain relevant parameters such as the rotation angle of the transmission rotating shaft 2, the opening and closing states of the isolating switch can be judged according to the relevant parameters, and the results obtained by the two observation modes can be verified mutually; for an unattended transformer substation, signals transmitted by the sensor 6 can be automatically transmitted to a remote place to facilitate remote monitoring of workers; in addition, because the switching-on and switching-off pointer 7 and the sensor 6 are arranged at the same shaft end of the transmission rotating shaft, uniform installation, overhaul and replacement are facilitated.
In this embodiment, the sensor passes through the bolt removable fixation on the sensor mount pad, in other embodiments, also can set up the welding part on the sensor, through the end of wearing out of welding part lug connection at the transmission pivot, sets up the difficult not hard up but also quick detachable and change of sensor like this. In other embodiments, the sensor can also be welded on the sensor mounting seat, and the sensor mounting seat can be detachably fixed on the transmission rotating shaft.
In the embodiment, the sensor mounting seat is fixed on the transmission rotating shaft through the elastic cylindrical pin, and in other embodiments, the sensor mounting seat can be arranged on the transmission rotating shaft through a screw and a bolt; or corresponding threads are arranged on the inner peripheral wall of the ring sleeve and the transmission rotating shaft, and the sensor mounting seat is fixed on the transmission rotating shaft through the threads; or is adhered to the transmission rotating shaft through a ring sleeve.
In this embodiment, the switching-on/off pointer is fixedly installed on the sensor installation base, and in other embodiments, the pointer may also be fixedly connected to the transmission rotating shaft.
The rotating shaft of the isolating switch can be a transmission rotating shaft directly driving the opening and closing actions of the moving end part, and also can be an output rotating shaft connected with the transmission rotating shaft, and the output rotating shaft does not play a role in driving the moving end part to act, and is only an output rotating shaft specially led out for installing related parts of opening and closing.
Claims (2)
1. Isolator, including the casing, be equipped with the transmission structure of moving end part separating brake, combined floodgate action in fracture structure and the drive fracture structure in the casing, transmission structure includes the pivot, the pivot has the end of wearing out that is located the casing outside, its characterized in that: the switch-on and switch-off indicating device comprises a shell, a rotating shaft, a switch-on and switch-off indicating pointer, a switch-off indicating area, a sensor and a signal processing unit, wherein the switch-on and switch-off indicating area is arranged around the rotating axis of the rotating shaft and is used for being matched with the switch-on and switch-off indicating pointer to display the switch-on and switch-off states; the end part of the penetrating end of the rotating shaft is provided with a sensor mounting seat, and the sensor is detachably assembled on the sensor mounting seat; the opening and closing pointer is fixedly arranged on the sensor mounting seat; the switching-on and switching-off states read by the switching-on and switching-off pointer and the indicating plate and the switching-on and switching-off states measured by the sensor can be verified mutually.
2. The isolating switch of claim 1, wherein: the sensor mounting seat comprises a ring sleeve sleeved on the rotating shaft and a sensor mounting plate fixedly arranged on the ring sleeve, the sensor is arranged at the end part of the sensor mounting plate, radial through holes are correspondingly formed in the corresponding positions of the ring sleeve and the rotating shaft, and relative fixed assembly is realized through pins arranged in the radial through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650412.4A CN109637861B (en) | 2018-12-31 | 2018-12-31 | Isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650412.4A CN109637861B (en) | 2018-12-31 | 2018-12-31 | Isolating switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109637861A CN109637861A (en) | 2019-04-16 |
| CN109637861B true CN109637861B (en) | 2020-06-12 |
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ID=66055268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811650412.4A Active CN109637861B (en) | 2018-12-31 | 2018-12-31 | Isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109637861B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113451932B (en) * | 2020-03-24 | 2024-06-04 | 河南平芝高压开关有限公司 | Connecting seat for installing opening and closing confirming device and GIS |
| 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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| CN206849759U (en) * | 2017-05-16 | 2018-01-05 | 朝瑞电气有限公司 | A kind of built-in current sensor vacuum circuit breaker |
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| US6744259B2 (en) * | 2002-06-25 | 2004-06-01 | Associated Research, Inc. | System and method for verifying failure detect circuitry in safety compliance test instruments |
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| 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 |
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2018
- 2018-12-31 CN CN201811650412.4A patent/CN109637861B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4025190A (en) * | 1976-02-11 | 1977-05-24 | Marshall Hughes | Exposure control system for photographic copying |
| US4453448A (en) * | 1983-02-24 | 1984-06-12 | Miesak Edward J | Method and apparatus for tuning percussion instruments |
| CN103148882A (en) * | 2013-01-09 | 2013-06-12 | 华东理工大学 | Composite indication method of physical parameter measured value |
| CN107546045A (en) * | 2016-09-27 | 2018-01-05 | 河南众联云科工程技术有限公司 | One kind isolation exploitation division state monitoring method |
| CN206849759U (en) * | 2017-05-16 | 2018-01-05 | 朝瑞电气有限公司 | A kind of built-in current sensor vacuum circuit breaker |
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| Publication number | Publication date |
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| CN109637861A (en) | 2019-04-16 |
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