CN219142028U - Substation movable ring monitoring and maintaining device - Google Patents
Substation movable ring monitoring and maintaining device Download PDFInfo
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- CN219142028U CN219142028U CN202222906951.8U CN202222906951U CN219142028U CN 219142028 U CN219142028 U CN 219142028U CN 202222906951 U CN202222906951 U CN 202222906951U CN 219142028 U CN219142028 U CN 219142028U
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- box body
- temperature sensor
- installation cavity
- transformer substation
- ring monitoring
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Abstract
The utility model discloses a transformer substation moving ring monitoring and maintaining device. Substation moving ring monitoring and maintaining device includes: the cable fixing device comprises a fixing block and a pressing block, wherein the fixing block and the pressing block are fixed on a cable through screws, an installation cavity is formed in the fixing block, a through hole is formed in the installation cavity, a temperature sensor is movably installed in the through hole and is in contact with a cable head, the temperature of the cable head is detected in real time, a telescopic assembly is arranged in the installation cavity and is used for moving the temperature sensor, the temperature sensor is in contact with or separated from the cable head, the telescopic assembly comprises a box body, a lifting plate is installed in the box body in a sliding sealing mode, and a pull rod is installed at the bottom of the lifting plate. The transformer substation moving ring monitoring and maintaining device provided by the utility model can avoid rapid aging caused by continuous contact of the temperature sensor with the cable head with higher temperature, and prolong the service life of the temperature sensor.
Description
Technical Field
The utility model relates to the technical field of movable ring monitoring, in particular to a movable ring monitoring maintenance device of a transformer substation.
Background
It is important to master the change of environment in the transformer substation, current transformer substation changes traditional environmental monitoring means through rotating ring monitoring device, can carry out real-time supervision and demonstration to factors such as remote environment's temperature, humidity through rotating ring monitoring device, it is comparatively more to need monitor in the transformer substation, such as cable head temperature, transformer temperature and change room humidity etc. rotating ring monitoring device's principle is mainly through a plurality of temperature sensor or humidity transducer to corresponding part real-time supervision, process in the treater with the data transfer of control and show on the display screen with the form of data, personnel just can judge the real-time service environment of each position through the data on the display screen.
Many cables in the transformer substation are high-voltage, the voltage is above ten thousand volts, the resistance at the cable head is generally larger, high temperature is easy to generate, if the temperature of the cable head exceeds the standard due to overload or other reasons, fire can possibly be caused, therefore, the monitoring of the temperature of the cable head is very important, the traditional monitoring mode is to directly install the temperature sensor on the cable head and contact the cable head, thereby detecting the temperature of the cable head in real time, but the mode has certain defects, if the temperature of the cable head is too high and lasts longer, the aging of the temperature sensor can be accelerated, the service life of the temperature sensor is shortened, frequent replacement is caused, the maintenance cost is increased, and more maintenance time and labor are occupied.
Therefore, it is necessary to provide a transformer substation moving ring monitoring and maintaining device to solve the above technical problems.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the movable ring monitoring maintenance device for the transformer substation, which can avoid rapid aging caused by continuous contact of a temperature sensor with a cable head with higher temperature, and prolong the service life of the temperature sensor.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
substation moving ring monitoring and maintaining device includes: the fixing block and the pressing block are fixed on the cable through screws, an installation cavity is formed in the fixing block, a through hole is formed in the installation cavity, a temperature sensor is movably installed in the through hole, the temperature sensor is in contact with the cable head and used for detecting the temperature of the cable head in real time, a telescopic component is arranged in the installation cavity and used for moving the temperature sensor to enable the temperature sensor to be in contact with or separated from the cable head, the telescopic component comprises a box body, a lifting plate is installed in the box body in a sliding sealing mode, a pull rod is installed at the bottom of the lifting plate, the bottom of the pull rod extends out of the box body and is in sliding sealing connection with the box body, the bottom of the pull rod is connected with the temperature sensor, and the movable ring monitoring maintenance device of the transformer substation further comprises an air supply component which is connected with the box body and used for supplying air to the box body, so that the lifting plate moves upwards to enable the lifting plate to drive the temperature sensor to move through the pull rod, and the temperature sensor to be separated from the cable head.
Preferably, the air supply assembly comprises a high-pressure air bag, high-pressure dry air is arranged in the high-pressure air bag, an air supply pipe is arranged on the high-pressure air bag and connected with the box body, a first electromagnetic valve is arranged on the air supply pipe, when air needs to be supplied to the box body, the first electromagnetic valve is opened, and air in the high-pressure air bag enters the box body through the air supply pipe.
Preferably, the box body is internally provided with a limit rod, a notch is formed in the limit rod, when the lifting plate moves upwards to the notch, high-pressure air in the box body below the lifting plate enters the upper portion of the lifting plate through the notch, an air outlet pipe is arranged on one side of the box body, the bottom end of the air outlet pipe is located below the box body, and when the high-pressure air enters the upper portion of the lifting plate through the notch, the high-pressure air flows out through the air outlet pipe and is blown to the temperature sensor to cool the high-pressure air.
Preferably, a spring is fixedly installed on the inner wall of the top of the box body, the bottom of the spring is connected with the lifting plate, when the lifting plate moves upwards to the middle position of the notch, the spring reaches the contraction limit, when the air supply in the box body is stopped, the spring releases elasticity to push the lifting plate downwards, a branch pipe is installed on the air supply pipe, a second electromagnetic valve is installed on the branch pipe, when the air supply in the box body is stopped, the first electromagnetic valve is in a closed state, the second electromagnetic valve is in an open state, and the spring compresses the lifting plate downwards, so that high-pressure air below the lifting plate is discharged through the branch pipe.
Preferably, a one-way valve is installed at the top of the fixed block, the one-way valve is communicated with the installation cavity, and high-pressure gas flowing out through the gas outlet pipe is finally discharged to the atmosphere from the one-way valve.
Compared with the prior art, the utility model has the following beneficial effects:
(1) According to the utility model, the temperature sensor can be separated from or contacted with the cable head through the telescopic component, so that the temperature sensor is separated from the cable head when the temperature of the cable head is higher, thereby cutting off a heat source, avoiding rapid aging caused by continuous contact of the temperature sensor with the cable head with higher temperature, and prolonging the service life of the temperature sensor;
(2) According to the utility model, the air supply assembly can supply air into the box body, so that the temperature sensor can be separated from the cable head, and meanwhile, the temperature sensor is cooled by matching with the notch on the limiting rod and the air outlet pipe, and further the protection of the temperature sensor is realized.
Drawings
Fig. 1 is a schematic structural diagram of a transformer substation moving ring monitoring and maintaining device provided by the utility model;
fig. 2 is a schematic cross-sectional structural diagram of a transformer substation moving ring monitoring and maintaining device provided by the utility model;
fig. 3 is a schematic cross-sectional structural diagram of a transformer substation moving ring monitoring and maintaining device provided by the utility model;
FIG. 4 is an enlarged view of portion A of FIG. 3;
fig. 5 is a schematic diagram of an embodiment of a transformer substation moving ring monitoring maintenance device provided by the utility model.
Wherein, the names corresponding to the reference numerals are: 1-fixed block, 2-briquetting, 3-installation cavity, 4-temperature sensor, 5-box body, 6-box body, 7-pull rod, 8-air supply pipe, 9-high pressure air bag, 10-first solenoid valve, 11-gag lever post, 12-breach, 13-outlet duct, 14-spring, 15-second solenoid valve, 16-check valve.
Detailed Description
The utility model will be further illustrated by the following description and examples, which include but are not limited to the following examples.
Example 1
As shown in fig. 1-5, the transformer substation moving ring monitoring and maintaining device provided by the utility model comprises: fixed block 1 and briquetting 2, fixed block 1 with briquetting 2 passes through the screw fixation on the cable, be provided with installation cavity 3 in the fixed block 1, the through-hole has been seted up to installation cavity 3, movable mounting has temperature sensor 4 in the through-hole, temperature sensor 4 and cable head contact, real-time detection cable head's temperature be provided with telescopic subassembly in installation cavity 3, telescopic subassembly is used for removing temperature sensor 4, makes temperature sensor 4 and cable head contact or separate, telescopic subassembly includes box body 5, sliding seal installs lifter plate 6 in box body 5, lifter plate 6's bottom is installed, the bottom of lifter plate 7 extends to outside box body 5 and with box body 5 sliding seal connects, the bottom of lifter plate 7 with temperature sensor 4 connects, the transformer substation's rotating ring control maintenance device still includes the air feed subassembly, the air feed subassembly with box body 5 is connected for to box body 5 interior removal temperature sensor 4, makes lifter plate 6 slide upward, makes lifter plate 6 and has realized that temperature sensor 4 and cable head 4 make the temperature sensor and temperature sensor 4 make high-speed and the temperature sensor's temperature sensor 4 and make the temperature sensor that make the temperature sensor 4 and the high-pressure sensor that makes the temperature sensor 4 and the temperature sensor 4, and the temperature sensor 4 that make the temperature sensor 4 and the high-pressure sensor that has reached after the time, and the life-span value that the cable is kept up to the cable.
Example 2
As shown in fig. 1, the air supply assembly includes a high-pressure air bag 9, high-pressure dry air is in the high-pressure air bag 9, an air supply pipe 8 is installed on the high-pressure air bag 9, the air supply pipe 8 is connected with the box body 5, a first electromagnetic valve 10 is installed on the air supply pipe 8, when air needs to be supplied to the box body 5, the first electromagnetic valve 10 is opened, and air in the high-pressure air bag 9 enters the box body 5 through the air supply pipe 8.
Example 3
As shown in fig. 4, a stop lever 11 is installed in the box body 5, a notch 12 is formed on the stop lever 11, when the lifting plate 6 moves up to the notch 12, high-pressure air below the lifting plate 6 in the box body 5 enters above the lifting plate 6 through the notch 12, an air outlet pipe 13 is installed at one side of the box body 5, the bottom end of the air outlet pipe 13 is located below the box body 5, when high-pressure air enters above the lifting plate 6 through the notch 12, the air flows out through the air outlet pipe 13, and because the air still has a certain pressure at this time, the flowing air blows to the temperature sensor 4 to cool and lower the temperature sensor 14, thereby achieving the purpose of protecting the temperature sensor 14.
Example 4
As shown in fig. 4, a spring 14 is fixedly installed on the top inner wall of the box 5, the bottom of the spring 14 is connected with the lifting plate 6, when the lifting plate 6 moves up to the middle position of the notch 12, the spring 14 reaches the contraction limit, even if the high-pressure gas continues to be added to the lower part of the lifting plate 6, the lifting plate 6 will not move up under the action of the spring 14, in this state, the high-pressure gas below the lifting plate 6 will flow to the upper part of the lifting plate 6 through the notch 12, when the air supply to the box 5 is stopped, the spring 14 will release elasticity to push the lifting plate 6 down, a branch pipe is installed on the air supply pipe 8, a second electromagnetic valve 15 is installed on the branch pipe, when the air supply to the box 5 is stopped, the first electromagnetic valve 10 is in the closed state, the second electromagnetic valve 15 is in the open state, the spring 14 compresses the lifting plate 6 down, so that the high-pressure gas below the lifting plate 6 is discharged through the branch pipe, and the lifting plate 6 can move down to the designated position, namely, the temperature sensor 4 moves down is realized.
Example 5
As shown in fig. 3, a check valve 16 is installed at the top of the fixed block 1, the check valve 16 is in communication with the installation cavity 3, and the high-pressure gas flowing out through the gas outlet pipe 13 is finally discharged to the atmosphere from the check valve 16.
The device also comprises a controller and an alarm device (the alarm device can be an acoustic alarm, an optical alarm or an acoustic-optical alarm in the prior art), wherein the alarm device, the temperature sensor 4, the first electromagnetic valve 10 and the second electromagnetic valve 15 are all connected with the controller, when the temperature of a cable head detected by the temperature sensor 4 exceeds the standard, the temperature sensor 4 transmits a temperature signal to the controller, the controller can send out a signal for starting the alarm device, so that the alarm device sends out an alarm to remind a person, meanwhile, the first electromagnetic valve 10 is opened, the second electromagnetic valve 15 is in a closed state, high-pressure gas in the high-pressure gas bag 9 enters the box body 5, the lifting plate 6 moves upwards, so that the temperature sensor 4 moves upwards and into the installation cavity 3, meanwhile, part of gas in the box body 5 is blown to the temperature sensor 4 through the air outlet pipe 13 to cool the temperature sensor, the alarm device can continuously alarm once the alarm device is started, even if the temperature sensor is separated from the cable head, only a reset key connected with the controller is manually started, the alarm can be contacted, and the alarm can be contacted after the reset key is started, the controller sends out the signal, the controller is closed, and the temperature sensor 4 can be cooled down after the temperature sensor is cooled, and the temperature sensor 4 is cooled down continuously, and the alarm device can be cooled down; when the reset key is manually activated, the controller also sends a signal for opening the second electromagnetic valve 15 and a signal for closing the first electromagnetic valve 10, the second electromagnetic valve 15 is in an open state, the first electromagnetic valve 10 is in a closed state, and at this time, the spring 14 releases elasticity, so that the temperature sensor 4 moves downwards and contacts with the cable head again.
The above embodiment is only one of the preferred embodiments of the present utility model, and should not be used to limit the scope of the present utility model, but all the insubstantial modifications or color changes made in the main design concept and spirit of the present utility model are still consistent with the present utility model, and all the technical problems to be solved are included in the scope of the present utility model.
Claims (5)
1. The utility model provides a transformer substation moving ring control maintenance device which characterized in that includes:
fixed block (1) and briquetting (2), fixed block (1) with briquetting (2) are fixed on the cable, be provided with installation cavity (3) in fixed block (1), the through-hole has been seted up to installation cavity (3), install temperature sensor (4) in the through-hole, temperature sensor (4) and cable head contact, be provided with flexible subassembly in installation cavity (3), flexible subassembly includes box body (5), install lifter plate (6) in box body (5), pull rod (7) are installed to the bottom of lifter plate (6), the bottom of pull rod (7) extends to outside box body (5), the bottom of pull rod (7) with temperature sensor (4) are connected, the rotating ring control maintenance device still includes the air feed subassembly, the air feed subassembly with box body (5) are connected.
2. The transformer substation movable ring monitoring and maintaining device according to claim 1, wherein the air supply assembly comprises a high-pressure air bag (9), an air supply pipe (8) is installed on the high-pressure air bag (9), the air supply pipe (8) is connected with the box body (5), and a first electromagnetic valve (10) is installed on the air supply pipe (8).
3. The transformer substation movable ring monitoring and maintaining device according to claim 1, wherein a limit rod (11) is installed in the box body (5), a notch (12) is formed in the limit rod (11), an air outlet pipe (13) is installed on one side of the box body (5), and the bottom end of the air outlet pipe (13) is located below the box body (5).
4. The transformer substation movable ring monitoring and maintenance device according to claim 2, wherein a spring (14) is installed on the top inner wall of the box body (5), the bottom of the spring (14) is connected with the lifting plate (6), a branch pipe is installed on the air supply pipe (8), and a second electromagnetic valve (15) is installed on the branch pipe.
5. The substation movable ring monitoring and maintenance device according to claim 1, wherein a one-way valve (16) is installed at the top of the fixed block (1), and the one-way valve (16) is communicated with the installation cavity (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222906951.8U CN219142028U (en) | 2022-11-02 | 2022-11-02 | Substation movable ring monitoring and maintaining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222906951.8U CN219142028U (en) | 2022-11-02 | 2022-11-02 | Substation movable ring monitoring and maintaining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219142028U true CN219142028U (en) | 2023-06-06 |
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ID=86595194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222906951.8U Active CN219142028U (en) | 2022-11-02 | 2022-11-02 | Substation movable ring monitoring and maintaining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219142028U (en) |
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2022
- 2022-11-02 CN CN202222906951.8U patent/CN219142028U/en active Active
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