CN210005050U - on-line monitoring device for working state of high-voltage switch equipment - Google Patents
on-line monitoring device for working state of high-voltage switch equipment Download PDFInfo
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- CN210005050U CN210005050U CN201921331234.9U CN201921331234U CN210005050U CN 210005050 U CN210005050 U CN 210005050U CN 201921331234 U CN201921331234 U CN 201921331234U CN 210005050 U CN210005050 U CN 210005050U
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
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Abstract
The application discloses a on-line monitoring device for working state of high-voltage switch equipment, which is used for monitoring the opening state, closing state, operation times and working air pressure of the high-voltage switch equipment in real time and comprises pairs of shaft position sensors, a second pair of shaft position sensors, a third pair of shaft position sensors and a control unit, wherein the shaft position sensors are arranged at the opening and closing positions of a rotating shaft of an A-phase closing switch body and are used for respectively acquiring the opening state and closing state of the A-phase closing switch body, the second pair of shaft position sensors are arranged at the opening and closing positions of a rotating shaft of a B-phase closing switch body and are used for respectively acquiring the opening state and closing state of the B-phase closing switch body, the third pair of shaft position sensors are arranged at the opening and closing positions of a rotating shaft of a C-phase closing switch body and are used for respectively acquiring the opening state and closing state of the C-phase closing switch body, the pressure sensors are arranged at air sources of the A-phase closing switch body, the B-phase switch body or the.
Description
Technical Field
The utility model relates to an electrical technology field, more specifically say, relate to kinds of high tension switchgear operating condition on-line monitoring device.
Background
High-voltage switchgear refers to an electric appliance with a rated voltage of 1kV or more, which is mainly used for switching on and off a conductive loop. The online monitoring of the working state (such as the opening state, the closing state, the operation times, the working air pressure and the like) of the high-voltage switch equipment is very necessary, so that technicians can master abnormal symptoms and degradation information before the high-voltage switch equipment breaks down in real time, and can take targeted measures to control and prevent the breakdown in advance, thereby reducing the breakdown downtime and the loss caused by the breakdown, reducing the maintenance cost and improving the effective utilization rate of the equipment.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an kinds of high tension switchgear operating condition on-line monitoring device to realize monitoring high tension switchgear's divide-shut brake state, operation number of times and working pressure in real time.
kind of high tension switchgear operating condition on-line monitoring device, high tension switchgear includes A looks closing switch body, B looks closing switch body and C looks closing switch body, high tension switchgear operating condition on-line monitoring device includes:
counter shaft position sensor, which is separately set on the opening and closing position of the rotating shaft of the A phase closing switch body, and is used to collect the opening state and closing state of the A phase closing switch body;
the second pair of axial position sensors are respectively arranged at the opening and closing positions of the rotating shaft of the B-phase closing switch body and are used for respectively acquiring the opening state and the closing state of the B-phase closing switch body;
the third pair of shaft position sensors are respectively arranged at the opening and closing positions of the rotating shaft of the C-phase closing switch body and are used for respectively acquiring the opening state and the closing state of the C-phase closing switch body;
the pressure sensor is arranged at the air source of the A-phase, B-phase or C-phase closing switch body and is used for collecting the working air pressure of the high-voltage switch equipment;
and a control unit connected to all the sensors simultaneously.
Optionally, the shaft position sensor is an optical fiber sensor.
Alternatively, the shaft position sensor is a photosensor.
Or, the shaft position sensor is a limit switch.
Optionally, a display screen is arranged on the control unit.
Optionally, the control unit is in communication connection with a remote control room.
Optionally, the control unit is provided with a zero clearing button of a counter, which is respectively arranged for each -phase closing switch body, and is used for clearing the action time count value of the phase closing switch body.
Optionally, a local/remote control button is provided on the control unit, and is used for switching the local/remote control authority of the high-voltage switch device.
According to the above technical scheme, the utility model discloses establish the branch of closing switch body axis of rotation, the closing position with two sensor branches, judge the branch of this looks closing switch body, the combined floodgate state through the rotational position of discernment this looks closing switch body axis of rotation to accomplish the divide-shut brake state detection and the operation number of times statistics of closing switch body, simultaneously, the utility model discloses set up pressure sensor and detect high tension switchgear's working gas pressure in the air supply department of closing switch body, the utility model discloses carry out on-line monitoring to high tension switchgear operating condition, have higher reliability, sensitivity and intelligent degree, be suitable for and push away and use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of an kinds of online monitoring devices for working states of high-voltage switchgear according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the distribution positions of kinds of countershaft position sensors according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the distribution of shaft position sensors according to the embodiment of the present invention;
FIG. 4 is a schematic diagram of the distribution of shaft position sensors according to the embodiment of the present invention;
fig. 5 is a schematic structural view of an kinds of on-line monitoring devices for working states of high-voltage switchgear according to an embodiment of the present invention;
fig. 6 is a schematic structural view of an kinds of on-line monitoring devices for working states of high-voltage switchgear according to an embodiment of the present invention;
fig. 7 is a schematic structural view of an kinds of on-line monitoring devices for working states of high-voltage switchgear according to an embodiment of the present invention;
fig. 8 is a schematic structural view of the on-line monitoring device for the operating state of kinds of high-voltage switch equipments disclosed in the embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of , but not all embodiments.
High tension switchgear includes that A closes floodgate switch body, B closes floodgate switch body and C and closes floodgate switch body mutually, for its divide-shut brake state, operation number of times and work atmospheric pressure of monitoring in real time, the embodiment of the utility model discloses kinds of high tension switchgear operating condition on-line monitoring device, as shown in FIG. 1, include:
counter shaft position sensor 1, which is set on the opening and closing position of the rotating shaft of the A phase closing switch body, and is used to collect the opening state and closing state of the A phase closing switch body;
the second pair of axial position sensors 2 are respectively arranged at the opening and closing positions of the rotating shaft of the B-phase closing switch body and are used for respectively acquiring the opening state and the closing state of the B-phase closing switch body;
the third pair of shaft position sensors 3 are respectively arranged at the opening and closing positions of the rotating shaft of the C-phase closing switch body and are used for respectively acquiring the opening state and the closing state of the C-phase closing switch body;
the pressure sensor 4 is arranged at the air source of the A-phase, B-phase or C-phase closing switch body and is used for collecting the working air pressure of the high-voltage switch equipment;
and a control unit 5 connected to the th, second, third and pressure sensors 1, 2, 3, 4, respectively.
The working principle of the embodiment shown in fig. 1 is as follows:
in order to complete the switching state detection and the operation frequency statistics of each -phase closing switch body, in this embodiment, each -phase closing switch body is respectively provided with two axis position sensors, the two axis position sensors are respectively arranged at the switching position and the closing position of the rotating shaft of the current-phase closing switch body, the switching state and the closing state of the current-phase closing switch body are judged by identifying the rotating position of the rotating shaft of the current-phase closing switch body, information acquired by the two axis position sensors corresponding to each -phase closing switch body is analyzed and processed by the control unit 5, the switching state detection of the current-phase closing switch body is completed, and meanwhile, the control unit 5 counts the switching state of the current-phase closing switch body in the current detection period, completes the operation frequency statistics of the current-phase closing switch body in the current detection period, and outputs data.
When the switch-on state of the switch-on switch body is not detected and the switch-off state of the switch-on switch body is not detected by the control unit 5 in normal operation, it is indicated that the switch-on switch body of the current phase is running in the middle position of the switch-on and the switch-off, or the switch-on switch body of the current phase is blocked, and the blocking of the switch-on switch body is very dangerous and needs to be maintained by a worker in time. The operation frequency of the closing switch body represents the fatigue degree of the closing switch body, and when the operation frequency of the closing switch body is too high, a worker is required to maintain or replace the closing switch body in time.
The shaft position sensor may be an optical fiber sensor, a photoelectric sensor, a limit switch, or the like, but is not limited thereto.
As shown in fig. 2, the th pair of shaft position sensors 1 is composed of two optical fiber sensors, specifically two reflection type optical fiber sensors with their own light sources, wherein optical fiber sensors 11 are installed at the opening position of the a-phase closing switch body 13, another optical fiber sensors 12 are installed at the closing position of the a-phase closing switch body 13, when the rotating shaft drives the baffle 14 to rotate to the opening position, the optical signal emitted by the optical fiber sensors 11 is reflected to the receiving probe of the optical fiber sensors 11 through the baffle 14, the optical fiber amplifier converts the optical signal into an electrical signal and transmits the electrical signal to the control unit 5, the control unit 5 determines that the a-phase closing switch body is in the opening state, when the rotating shaft drives the baffle 14 to rotate to the closing position, the optical signal emitted by the optical fiber sensors 11 is reflected to the receiving probe of the optical fiber sensors 11 through the baffle 14, the optical fiber amplifier converts the optical signal into an electrical signal and transmits the electrical signal to the control unit 5, and the control unit 5 determines that the a-phase closing switch body is in the closing state.
As shown in fig. 3, the th counter shaft position sensor 1 is further exemplified by two photoelectric sensors, specifically two reflection-type photoelectric sensors with their own light sources, and the operation principle is that photoelectric sensors 15 are installed at the opening position of the a-phase closing switch body 13, and photoelectric sensors 16 are installed at the closing position of the a-phase closing switch body 13, when the rotating shaft drives the shutter 14 to rotate to the opening position, the light beams from the photoelectric sensors 15 are irradiated onto the shutter 14 and reflected back to the photoelectric sensors 15, and at this time, the photoelectric sensors 15 emit high level signals, the control unit 5 determines that the a-phase closing switch body is in the opening state, and when the shutter 14 rotates to the closing position, the light beams from the photoelectric sensors 16 are irradiated onto the shutter 14 and reflected back to the photoelectric sensors 16, and at this time, the photoelectric sensors 16 emit high level signals, and the control unit 5 determines that the a-phase closing switch body is in the closing state.
As shown in fig. 4, the th pair of shaft position sensors 1 is further exemplified by two limit switches, and the operation principle is that limit switches 17 are installed at the opening position of the a-phase closing switch body 13, and limit switches 18 are installed at the closing position of the a-phase closing switch body 13, and when the rotating shaft drives the baffle 14 to rotate to the opening position, the rotating shaft collides with the limit switches 17 to make the limit switches 17 send high level signals, and the control unit 5 determines that the receiving probe is in the opening state according to the determination, and when the rotating shaft drives the baffle 14 to rotate to the closing position, the rotating shaft collides with the limit switches 18 to make the limit switches 18 send high level signals, and the control unit 5 determines that the receiving probe is in the closing state according to the determination.
The optical fiber sensor and the photoelectric sensor are non-contact sensors, so that the loss caused by mechanical abrasion to the on-line monitoring device for the working state of the high-voltage switch equipment can be avoided, and the service life and the reliability of the on-line monitoring device for the working state of the high-voltage switch equipment are greatly prolonged. Especially, the optical fiber sensor has outstanding advantages in reliability, sensitivity, durability and insulation.
With continued reference to fig. 1, in order to complete the detection of the working air pressures of the a-phase, B-phase and C-phase closing switch bodies, pressure sensors 4 are disposed at the air sources of the a-phase, B-phase or C-phase closing switch bodies in this embodiment, since the air sources of the a-phase, B-phase and C-phase closing switch bodies are universal, the working air pressures of the a-phase, B-phase and C-phase closing switch bodies can be obtained as long as the working air pressures of any -phase closing switch body are detected, and the signals collected by the pressure sensors 4 are analyzed and processed by the control unit 5, so as to complete the detection of the working air pressures of the high-voltage switch equipment.
As can be seen from the above description of the embodiment, in the embodiment, two sensors are respectively disposed at the opening and closing positions of the closing switch body, and the opening and closing states of the closing switch body are determined by identifying the rotation position of the baffle driven by the rotation shaft of the closing switch body, so as to complete the opening and closing state detection and the operation frequency statistics of the closing switch body.
Alternatively, referring still to fig. 1, in any of the disclosed above on-line monitoring devices for the operating status of high-voltage switchgear, the output terminal of the control unit 5 may be connected to a relay for outputting the status information of the high-voltage switchgear to other parts in the test control system, such as an operation switch, a control simulation panel, a measurement and control console, a main control box of a closing switch, etc. the relay preferably employs an OMRON MKS1XTN-10 type relay having a mechanical life of 100 ten thousand times, and controls the voltage DC24V and the node voltage DC 220V.
In addition, according to the requirements of reliability, display, input and output quantity, the control unit 5 recommends to select OMRON CP1H-AX PLC. The control logic of OMRON CP1H-AX PLC may be programmed using CX-programmer software, but is not limited thereto.
Optionally, referring to fig. 5, in any disclosed above on-line monitoring devices for working states of high voltage switchgear, the control unit 5 is provided with a display screen 6 thereon, and is configured to cyclically display the number of actions of the high voltage switchgear and the working pressure on the two-digit digital display screen 6, as follows:
“A－→XX→XX→B－→XX→XX→C－→XX→XX→P－→XX→XX”。
wherein, A-represents the action frequency of the A-phase closing switch body, the unit is times, if the A-phase closing switch body is displayed as A- → 12 → 46, the action frequency of the A-phase closing switch body is 1246 times, and the B-phase and the C-phase are the same. P-represents the operating air pressure of the high voltage switchgear, and the unit thereof is KPa, and if it is displayed as P- → 19 → 32, it represents 1932 KPa.
Optionally, in any disclosed above on-line monitoring devices for operating conditions of high-voltage switchgear, as shown in fig. 6, the control unit 5 is in communication connection with a remote control room, and the control unit 5 may also upload the opening/closing state and the number of actions of the three-phase closing switch body and the operating air pressure data of the high-voltage switchgear to the remote control room, so as to facilitate remote monitoring by workers.
Optionally, in any disclosed above on-line monitoring devices for operating states of high-voltage switchgear, counter zero clearing buttons 7 are respectively provided on the control unit 5 for each phase closing switch body, as shown in fig. 7, after each phase closing switch body is repaired, the operator presses the corresponding counter zero clearing button, and the control unit 5 clears the statistical value of the number of times of actions of the phase closing switch body.
Optionally, in any disclosed above on-line monitoring devices for working states of high-voltage switchgear, as shown in fig. 8, a local/remote control button 8 is provided on the control unit 5 for switching the local/remote control authority of the high-voltage switchgear, so as to prevent a worker from locally performing maintenance operations on the high-voltage switchgear, and when the worker remotely starts to start the high-voltage switchgear to work, the device is damaged and the worker is injured.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a family of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the -like principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention.
Claims (8)
1, kinds of high tension switchgear operating condition on-line monitoring device, high tension switchgear includes A looks closing switch body, B looks closing switch body and C looks closing switch body, its characterized in that, the device includes:
counter shaft position sensor, which is separately set on the opening and closing position of the rotating shaft of the A phase closing switch body, and is used to collect the opening state and closing state of the A phase closing switch body;
the second pair of axial position sensors are respectively arranged at the opening and closing positions of the rotating shaft of the B-phase closing switch body and are used for respectively acquiring the opening state and the closing state of the B-phase closing switch body;
the third pair of shaft position sensors are respectively arranged at the opening and closing positions of the rotating shaft of the C-phase closing switch body and are used for respectively acquiring the opening state and the closing state of the C-phase closing switch body;
the pressure sensor is arranged at the air source of the A-phase, B-phase or C-phase closing switch body and is used for collecting the working air pressure of the high-voltage switch equipment;
and a control unit coupled to the th, second, third and pressure sensors simultaneously.
2. The on-line monitoring device for the working state of the high-voltage switch gear according to claim 1, wherein the shaft position sensor is an optical fiber sensor.
3. The on-line monitoring device for the working state of the high-voltage switch gear according to claim 1, wherein the shaft position sensor is a photoelectric sensor.
4. The on-line monitoring device for the working state of the high-voltage switch gear according to claim 1, wherein the shaft position sensor is a limit switch.
5. The on-line monitoring device for the working state of high-voltage switchgear equipment as claimed in any of claims 1-4, wherein the control unit is provided with a display screen.
6. The on-line monitoring device for the operating condition of a high voltage switchgear as claimed in any of , wherein the control unit is communicatively connected to a remote control room.
7. The on-line monitoring device for the working state of the high-voltage switchgear equipment according to any of claims 1-4, wherein the control unit is provided with a counter zero clearing button respectively arranged for each -phase closing switch body, and the counter zero clearing button is used for clearing the statistical value of the number of actions of the closing switch body of the phase.
8. The on-line monitoring device for monitoring the operating status of high-voltage switchgear equipment as claimed in any of claims 1-4, wherein the control unit is provided with a local/remote control button for switching the local/remote control authority of the high-voltage switchgear equipment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921331234.9U CN210005050U (en) | 2019-08-15 | 2019-08-15 | on-line monitoring device for working state of high-voltage switch equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921331234.9U CN210005050U (en) | 2019-08-15 | 2019-08-15 | on-line monitoring device for working state of high-voltage switch equipment |
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| CN210005050U true CN210005050U (en) | 2020-01-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999641A (en) * | 2020-08-07 | 2020-11-27 | 广安电气检测中心(广东)有限公司 | Method and system for measuring rigid point in short circuit breaking experiment of circuit breaker |
-
2019
- 2019-08-15 CN CN201921331234.9U patent/CN210005050U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999641A (en) * | 2020-08-07 | 2020-11-27 | 广安电气检测中心(广东)有限公司 | Method and system for measuring rigid point in short circuit breaking experiment of circuit breaker |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210816 Address after: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee after: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. Address before: No.18, north section of West 2nd Ring Road, Lianhu District, Xi'an City, Shaanxi Province, 710077 Patentee before: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. Patentee before: CHINA XD ELECTRIC Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee after: Xi'an High Voltage Electrical Apparatus Research Institute Co.,Ltd. Address before: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee before: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |