CN215338633U - Device for monitoring temperature of contact of vacuum circuit breaker of high-voltage control cabinet - Google Patents
Device for monitoring temperature of contact of vacuum circuit breaker of high-voltage control cabinet Download PDFInfo
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- CN215338633U CN215338633U CN202121165334.6U CN202121165334U CN215338633U CN 215338633 U CN215338633 U CN 215338633U CN 202121165334 U CN202121165334 U CN 202121165334U CN 215338633 U CN215338633 U CN 215338633U
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Abstract
The utility model relates to the technical field of high-voltage control, in particular to a device for monitoring the temperature of a contact of a vacuum circuit breaker of a high-voltage control cabinet. The contact temperature of the vacuum circuit breaker is detected when the high-voltage control cabinet operates in real time; meanwhile, the temperature sensor does not need to be connected with an output through a hard wire, so that the daily maintenance of the vacuum circuit breaker is facilitated without causing the looseness of the contact, the phenomenon that the tripping protection of the protector is caused due to the overhigh working temperature of the contact is avoided, the production is influenced, and the production efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of high-voltage control, in particular to a device for monitoring the temperature of a contact of a vacuum circuit breaker of a high-voltage control cabinet.
Background
When the high-voltage control cabinet operates, the contact of the plug-in vacuum circuit breaker must be in contact with the high-voltage incoming busbar. Because of the high operating load of the equipment, the heat productivity at the contact position of the vacuum circuit breaker and the busbar approximately leads the temperature at the contact of the vacuum circuit breaker to be higher.
Because of the needs of overhauing and maintaining, vacuum circuit breaker often pulls in and pulls out, and the accumulation of maintenance operation leads to vacuum circuit breaker contact and female contact not hard up of arranging, leads to vacuum circuit breaker contact temperature further rising during the operation, causes the high voltage protection action trip-out, causes the large tracts of land to shut down, and serious still can trigger the trip-out of last level power station protection, influences production.
The existing plug-in vacuum circuit breaker contact is in a closed cabinet, and the temperature of the contact of the vacuum circuit breaker can not be measured by an infrared temperature measuring gun during normal operation. Furthermore, because the vacuum circuit breaker needs to be pulled out of the cabinet for inspection during maintenance, the sensor for monitoring the temperature of the contact of the vacuum circuit breaker and the panel for displaying the temperature of the contact cannot be connected by hard wiring, so that the conventional method for installing the temperature sensor cannot be implemented.
Therefore, a device for monitoring the contact temperature of the vacuum circuit breaker of the high-voltage control cabinet is urgently needed, the contact temperature can be accurately detected and displayed on an interactive screen, and the daily maintenance of the vacuum circuit breaker can be facilitated without loosening the contact.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: the device for monitoring the contact temperature of the vacuum circuit breaker of the high-voltage control cabinet is provided aiming at the defects that the temperature of the contact cannot be detected during operation of the high-voltage control cabinet and the high temperature is generated due to looseness of the contact easily caused during maintenance.
The technical solution of the utility model is as follows: the utility model provides a device of high tension switchgear vacuum circuit breaker contact temperature monitoring, the internally mounted vacuum circuit breaker of the cabinet body, the annular temperature sensor of vacuum circuit breaker's contact installation, temperature sensor transmission radio signal is installed the bluetooth receiver of the internal portion of cabinet receives, bluetooth receiver electricity connection temperature control instrument, temperature control instrument sets up mutual screen, temperature control instrument reads bluetooth receiver's temperature signal shows in mutual screen.
Preferably, the temperature sensor is a PT resistance temperature sensor.
Preferably, the temperature control instrument is also provided with a temperature alarm system and a functional configuration button.
Preferably, the bluetooth receiver is mounted in a position close to the vacuum circuit breaker.
Compared with the prior art, the utility model has the beneficial effects that: the PT resistance temperature sensor capable of emitting wireless signals and the Bluetooth receiver are arranged to detect the temperature of the contact, and detection data are finally displayed on an interactive screen of the temperature control instrument, so that the temperature of the contact of the vacuum circuit breaker can be detected when the high-voltage control cabinet runs in real time; meanwhile, the sensor does not need to be connected with an output through a hard wire, so that the daily maintenance of the vacuum circuit breaker is facilitated without causing the looseness of the contact, the phenomenon that the tripping protection of the protector is caused due to the overhigh working temperature of the contact is avoided, the production is influenced, and the production efficiency is improved.
Drawings
Fig. 1 is an overall schematic diagram of the device for monitoring the temperature of the contact of the vacuum circuit breaker of the high-voltage control cabinet.
Description of the main component symbols: 1. the cabinet body, 10, middle room, 11, middle room door, 2, vacuum circuit breaker, 20, contact, 3, temperature sensor, 4, bluetooth receiver, 5, temperature control instrument, 50, interactive screen, 51, function configuration button.
Detailed Description
The utility model will be described in more detail below with reference to the accompanying drawings:
the following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model more readily understood by those skilled in the art, and thus will more clearly and distinctly define the scope of the utility model. The directional terms used in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., refer to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention.
Referring to fig. 1, in the device for monitoring the temperature of the contact of the vacuum circuit breaker of the high-voltage control cabinet, the vacuum circuit breaker 2 is fixedly installed on the inner side surface of the chamber 10 in the cabinet body 1, the temperature sensor 3 is installed on the contact 20 of the vacuum circuit breaker 2, and the temperature sensor 3 is a PT resistance temperature sensor, and can convert a detected temperature signal into a radio signal to be transmitted. The temperature sensor 3 is annular and closely surrounds the outer diameter of the contact 20, and is used for detecting the working temperature of the contact 20 in real time.
Further, the bluetooth receiver 4 is installed on the side wall surface of the chamber 10 in the cabinet body 1, and the installation position of the bluetooth receiver 4 needs to be close to the vacuum circuit breaker 2 for installation, so that the bluetooth receiver 4 can well receive the radio signal sent by the temperature sensor 3. Bluetooth receiver 4 is connected with the temperature control instrument 5 electricity of installing at cabinet 1 upper chamber door (not shown), and Bluetooth receiver 4 converts the real-time temperature signal of receiving into the signal of telecommunication feedback to temperature control instrument 5 and finally shows on temperature control instrument 5's mutual screen 50, makes things convenient for the staff to acquire and monitor.
Furthermore, the temperature control instrument 5 is also provided with a temperature alarm system and a function configuration button 51, the temperature alarm system has the functions of temperature setting, temperature comparison temperature early warning, temperature alarm and the like, the function configuration button 51 can realize the setting of alarm temperature critical value, the calling of alarm record of the temperature control instrument 5, the setting of mutual matching of equipment and the like.
Further, an ammeter (not shown) is installed on the upper door of the cabinet 1 to observe the operating current of the vacuum circuit breaker 2 in real time. The lower chamber of the cabinet body 1 is formed as a cable chamber for arranging cables, and a lightning arrester (not shown) is installed in the chamber to ensure the safety of electric appliances in the high-voltage control cabinet. The upper chamber of the cabinet 1 is formed as a bus bar chamber for arranging the bus bars.
According to the device for monitoring the contact temperature of the vacuum circuit breaker of the high-voltage control cabinet, the PT resistance temperature sensor detects the working temperature of the contact in real time, converts the working temperature into a radio signal and sends the radio signal to the Bluetooth receiver for receiving, and the Bluetooth receiver feeds the temperature signal back to the temperature control instrument and finally displays the temperature signal on the interactive screen, so that the contact temperature of the vacuum circuit breaker can be detected when the high-voltage control cabinet runs in real time; meanwhile, the PT resistance temperature sensor does not need to be connected with output through a hard wire, so that the daily maintenance of the vacuum circuit breaker is facilitated without causing the looseness of the contact, the phenomenon that the tripping protection of the protector is caused due to overhigh working temperature of the contact, the production is influenced, and the production efficiency is improved.
The above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (4)
1. The utility model provides a device of high tension switchgear vacuum circuit breaker contact temperature monitoring, the internally mounted vacuum circuit breaker of the cabinet body, a serial communication port, the annular temperature sensor of vacuum circuit breaker's contact installation, temperature sensor transmission radio signal is installed the bluetooth receiver of the internal portion of cabinet receives, bluetooth receiver electricity connection temperature control instrument, temperature control instrument sets up mutual screen, temperature control instrument reads bluetooth receiver's temperature signal shows in mutual screen.
2. The device for monitoring the contact temperature of the vacuum circuit breaker of the high-voltage control cabinet according to claim 1, wherein the temperature sensor is a PT resistance temperature sensor.
3. The device for monitoring the temperature of the contact of the vacuum circuit breaker of the high-voltage control cabinet according to claim 1, wherein the temperature control instrument is further provided with a temperature alarm system and a functional configuration button.
4. The apparatus according to claim 1, wherein the bluetooth receiver is mounted close to the vacuum circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121165334.6U CN215338633U (en) | 2021-05-27 | 2021-05-27 | Device for monitoring temperature of contact of vacuum circuit breaker of high-voltage control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121165334.6U CN215338633U (en) | 2021-05-27 | 2021-05-27 | Device for monitoring temperature of contact of vacuum circuit breaker of high-voltage control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215338633U true CN215338633U (en) | 2021-12-28 |
Family
ID=79548708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121165334.6U Active CN215338633U (en) | 2021-05-27 | 2021-05-27 | Device for monitoring temperature of contact of vacuum circuit breaker of high-voltage control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215338633U (en) |
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2021
- 2021-05-27 CN CN202121165334.6U patent/CN215338633U/en active Active
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