CN215601090U - 10kV cable intermediate head monitoring devices - Google Patents
10kV cable intermediate head monitoring devices Download PDFInfo
- Publication number
- CN215601090U CN215601090U CN202121881135.5U CN202121881135U CN215601090U CN 215601090 U CN215601090 U CN 215601090U CN 202121881135 U CN202121881135 U CN 202121881135U CN 215601090 U CN215601090 U CN 215601090U
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- power supply
- water leakage
- communication module
- temperature
- wireless communication
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Abstract
The utility model relates to a 10kV cable intermediate joint monitoring device which comprises a communication host, a wireless communication module, a data line and an interface thereof, a temperature and humidity sensor, a water leakage monitoring sensor, a power supply protection board, a data line and an interface thereof, wherein the wireless communication module is used for communicating with the data line and the interface thereof; the communication host wirelessly transmits signals from the temperature and humidity sensor and the water leakage monitoring sensor after processing and analyzing the signals; the power supply is used for supplying power to the communication host, the wireless communication module, the temperature and humidity sensor and the water leakage monitoring sensor; the water leakage detection lines of the temperature and humidity sensor and the water leakage monitoring sensor are arranged in the cable middle joint, and the communication host, the wireless communication module, the power supply and the power supply protection board are fixedly installed through the installation box. The utility model greatly shortens the patrol time, improves the patrol efficiency and avoids the danger caused by the operation of going into the well when the staff patrol.
Description
Technical Field
The utility model belongs to the technical field of cable laying, and particularly relates to a 10kV cable intermediate joint monitoring device.
Background
With the advance of city transformation in recent years, the power supply mode is gradually changed from overhead line power supply to cable line power supply, so that a more beautiful environment can be provided for the city, the problem of increasing cable transformation projects is solved, the cable production is limited by transportation, the length is always limited, the lines of several kilometers frequently cannot be laid by the whole cable, the problem of numerous intermediate joints cannot be solved, the manufacture of the intermediate joint of the cable becomes a short plate and hidden danger of stable operation of the cable due to the process limitation, the cable is laid underground, the joint is in a pipe gallery or a cable well, the inspection is inconvenient, and a new monitoring mode of the intermediate joint of the cable is urgently needed to overcome the defect of the inspection of the cable.
According to the requirement of cable patrol, we conclude several requirements of cable well patrol: 1. whether the pipe well is filled with water or not; 2. temperature of the cable intermediate joint; 3. whether the cable intermediate joint is water-in or not.
The tradition mode of patrolling is for opening cable management corridor well lid one by one and is observed with the flashlight irradiation, uses infrared radiation thermoscope measuring cable middle head temperature, and the tradition is patrolled the line and is not only consuming time and can not reach effective effect of patrolling.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a 10kV cable intermediate joint monitoring device.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a10 kV cable intermediate joint monitoring device comprises a communication host, a wireless communication module, a data line and an interface thereof, a temperature and humidity sensor, a water leakage monitoring sensor, a power supply protection board, a data line and an interface thereof; the temperature and humidity sensor and the water leakage monitoring sensor are respectively connected with the communication host through a data line and interfaces thereof in a wired mode, the communication host is in wired communication connection with the wireless communication module, and the communication host processes and analyzes signals from the temperature and humidity sensor and the water leakage monitoring sensor and then wirelessly transmits the signals through the wireless communication module; the power supply is used for supplying power to the communication host, the wireless communication module, the temperature and humidity sensor and the water leakage monitoring sensor, and the power supply protection board is used for protecting the power supply; the water leakage detection lines of the temperature and humidity sensor and the water leakage monitoring sensor are arranged in the cable middle joint, and the communication host, the wireless communication module, the power supply and the power supply protection board are fixedly installed through the installation box.
Further, the data line and the interface thereof are an RS485 data line and an interface module thereof.
Furthermore, the wireless communication module is a 4G communication module and further comprises a wireless transmitting antenna.
Furthermore, alarm information can be sent to a preset mobile phone terminal through the 4G communication module.
Furthermore, the temperature and humidity sensor and the water leakage monitoring sensor are both sensors with switch signal output.
Further, the power supply is a 12V lithium iron phosphate battery.
Has the advantages that: the utility model greatly shortens the patrol time, improves the patrol efficiency, improves the patrol effect, has the real-time monitoring and alarming function which is not possessed by the prior patrol, avoids the line tripping and power failure caused by the faults of the middle heads of cables and ensures the stable operation of a power grid; the danger caused by the operation of going into the well when the staff is patrolling is avoided, and the danger points are reduced.
Drawings
Fig. 1 is a main connection schematic diagram of a 10kV cable intermediate joint monitoring device.
Detailed Description
The utility model is described in further detail below with reference to the figures and specific examples.
Through analysis, firstly, the middle head of the cable is used as a weak point of the operation of the cable, the fault rate is not low, the fault mode is usually interphase short circuit and is grounded with a single phase, the fault is caused by that the cable head is poorly sealed and water enters to cause the damage of an insulating layer, the insulating capability is reduced, and therefore, in order to detect and eliminate the condition, water leakage detection is needed; furthermore, the fault operation of the cable head shows that the fault point generates heat, so that the temperature and humidity detection of the cable middle joint is needed.
As shown in fig. 1, a 10kV cable intermediate joint monitoring device comprises a communication host, a wireless communication module, a data line and an interface thereof, a temperature and humidity sensor, a water leakage monitoring sensor, a power supply, a power protection board, a data line and an interface thereof; the temperature and humidity sensor and the water leakage monitoring sensor are respectively connected with the communication host through a data line and interfaces thereof in a wired mode, the communication host is in wired communication connection with the wireless communication module, and the communication host processes and analyzes signals from the temperature and humidity sensor and the water leakage monitoring sensor and then wirelessly transmits the signals through the wireless communication module; the power supply is used for supplying power to the communication host, the wireless communication module, the temperature and humidity sensor and the water leakage monitoring sensor, and the power supply protection board is used for protecting the power supply; the water leakage detection lines of the temperature and humidity sensor and the water leakage monitoring sensor are arranged in the cable middle joint, and the communication host, the wireless communication module, the power supply and the power supply protection board are fixedly installed through the installation box.
The data line and the interface thereof are the RS485 data line and the interface module thereof, because the environment of the device is in an underground well or a pipeline, the environment is poor, the wired connection is mainly selected, the anti-interference capability of the wired connection is strong, the signal transmission is stable, and the temperature and humidity sensor and the water leakage monitoring sensor are both selected from sensors which are suitable for the switch signal output of simple data transmission under the condition of a dislike environment. Moreover, the functions to be realized include a data processing function, a wireless signal transmitting and receiving function, a GPS positioning function, a data storage function, and the like, and the number of the required sensors is 2 or more, so that two or more RS485 data lines with data volume to transmit data to the host and without interference need to be selected.
The wireless communication module is a 4G communication module and further comprises a wireless transmitting antenna. And alarm information can be sent to a preset mobile phone terminal through the 4G communication module. The embodiment selects the 4G communication module of the AGS 600. The AGS 6004G communication module has the function of alarming to preset mobile phone numbers by voice and short messages when information can be checked in a background and alarming signals can be uploaded by a sensor.
The power supply is a 12V lithium iron phosphate battery. Lithium phosphate has good electrochemical properties and low resistance. The main advantages are high rated current and long cycle life; good thermal stability, enhanced safety and tolerance to abuse. Lithium phosphate is more resistant to full charge conditions and is less stressed than other lithium ion systems if kept at high voltage for long periods of time.
Has the advantages that: the utility model greatly shortens the patrol time, improves the patrol efficiency, improves the patrol effect, has the real-time monitoring and alarming function which is not possessed by the prior patrol, avoids the line tripping and power failure caused by the faults of the middle heads of cables and realizes the stable operation of the power grid; the danger caused by the operation of going into the well when the staff is patrolling is avoided, and the danger points are reduced.
In conclusion, the utility model has the following obvious advantages: the patrol time is greatly shortened, the patrol efficiency is improved, the patrol effect is improved, and the system also has a real-time monitoring and alarming function which is not possessed by the previous patrol, so that the line tripping and power failure caused by faults at the middle head of a cable are avoided, and the stable operation of a power grid is ensured; the danger caused by the operation of going into the well when the staff is patrolling is avoided, and the danger points are reduced.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A10 kV cable intermediate joint monitoring device is characterized by comprising a communication host, a wireless communication module, a data line and an interface thereof, a temperature and humidity sensor, a water leakage monitoring sensor, a power supply protection board, a data line and an interface thereof; the temperature and humidity sensor and the water leakage monitoring sensor are respectively connected with a communication host through a data line and interfaces thereof in a wired communication manner, and the communication host is connected with the wireless communication module in a wired communication manner; the power supply is used for supplying power to the communication host, the wireless communication module, the temperature and humidity sensor and the water leakage monitoring sensor, and the power supply protection board is used for protecting the power supply; the water leakage detection lines of the temperature and humidity sensor and the water leakage monitoring sensor are arranged in the cable middle joint, and the communication host, the wireless communication module, the power supply and the power supply protection board are fixedly installed through the installation box.
2. The 10kV cable intermediate joint monitoring device according to claim 1, wherein the data line and the interface thereof are an RS485 data line and an interface module thereof.
3. The 10kV cable intermediate joint monitoring device according to claim 1, wherein the wireless communication module is a 4G communication module, and further comprises a wireless transmitting antenna.
4. The 10kV cable intermediate joint monitoring device according to claim 3, wherein alarm information can be sent to a preset mobile phone terminal through the 4G communication module.
5. The 10kV cable intermediate joint monitoring device according to claim 1, wherein the temperature and humidity sensor and the water leakage monitoring sensor are both sensors with switch signal output.
6. The 10kV cable intermediate joint monitoring device according to claim 1, wherein the power supply is a lithium iron phosphate battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121881135.5U CN215601090U (en) | 2021-08-12 | 2021-08-12 | 10kV cable intermediate head monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121881135.5U CN215601090U (en) | 2021-08-12 | 2021-08-12 | 10kV cable intermediate head monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215601090U true CN215601090U (en) | 2022-01-21 |
Family
ID=79881164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121881135.5U Expired - Fee Related CN215601090U (en) | 2021-08-12 | 2021-08-12 | 10kV cable intermediate head monitoring devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215601090U (en) |
-
2021
- 2021-08-12 CN CN202121881135.5U patent/CN215601090U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220121 |