CN214173433U - High-voltage cable operation parameter on-line monitoring system - Google Patents
High-voltage cable operation parameter on-line monitoring system Download PDFInfo
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Abstract
The utility model provides an online monitoring system for the operating parameters of a high-voltage cable, which comprises a grounding box, a data acquisition module, a communication module, a main control module and a humidity control module, wherein the data acquisition module is used for acquiring the operating data of the high-voltage cable; the data acquisition module, the communication module and the main control module are sequentially connected, and the humidity control module is connected with the communication module; the main control module is used for receiving and storing the operation data. The monitoring sensor is used for detecting the operation data of the high-voltage cable and the grounding cable, and the communication module is used for transmitting the operation data to the main control module for centralized monitoring, so that the purpose of on-line monitoring of the high-voltage cable line is realized.
Description
Technical Field
The utility model relates to a high tension line monitoring technology field especially relates to high tension cable operating parameter on-line monitoring system.
Background
Along with the deepening of the urbanization process, the high-voltage power transmission line adopts a cable form more and more, the proportion of the high-voltage power transmission line in the power transmission line is larger and larger, and a high-voltage cable system mainly comprises a cable body, an accessory and a grounding element. The temperature, the cable running current, the environment temperature and humidity, the grounding current and the like of a joint are monitored for a high-voltage cable, all monitoring means of each manufacturer of each monitoring device are required to be installed, each monitoring means is difficult to unify, a unified comprehensive monitoring platform is difficult to establish, great difficulty is added to operation and maintenance, and a unified and complete comprehensive monitoring system is urgently needed. Meanwhile, under the condition that the grounding box runs for a long time, the existing grounding box has the problems of failure of the grounding box caused by condensation, moisture and water inflow for a long time, and the reliability of power supply of a power cable line is also influenced.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists among the prior art, according to the utility model discloses an embodiment provides high tension cable operating parameter on-line monitoring system, and it has solved the problem that lacks unified and complete cable monitoring system and ground connection case and lead to the ground connection case trouble because of humidity is too high that exists among the prior art.
According to the utility model discloses an embodiment provides following technical scheme:
the high-voltage cable operation parameter online monitoring system comprises a grounding box, a data acquisition module, a communication module, a main control module and a humidity control module, wherein the data acquisition module is used for acquiring operation data of the high-voltage cable; the data acquisition module, the communication module and the main control module are sequentially connected, and the humidity control module is connected with the communication module; the main control module is used for receiving and storing the operation data.
Further, the data acquisition module comprises a monitoring sensor, wherein the monitoring sensor comprises a running current sensor arranged on the high-voltage cable, a grounding circulating current sensor arranged on the grounding cable, a sheath voltage sensor arranged on the lower part of the sheath protector and a joint temperature sensor arranged at a cable joint.
Furthermore, the data acquisition module further comprises a data processing module, the data processing module is connected between the monitoring sensor and the communication module, and the data processing module is an analog-to-digital conversion module.
Furthermore, the communication module comprises a first communication end and a second communication end, the first communication end is installed in the grounding box and connected with the data acquisition module, and the second communication end is connected with the main control module; the first communication end and the second communication end are connected in a wired or wireless mode to achieve remote transmission of operation data.
Furthermore, the communication module further includes a signal conversion module, and the signal conversion module is disposed between the second communication terminal and the main control module, and is configured to perform format conversion on the operation data received by the second communication terminal.
Further, the data acquisition module still includes the humidity transducer who is used for detecting ground incasement humidity, humidity transducer with data processing module connects.
Further, humidity control module is including installing moisture absorbent and the camera in the ground connection incasement, the camera is connected with lighting device, the camera with communication module connects, the camera is used for regularly gathering the environmental image in the ground connection incasement.
Further, the humidity control module further comprises a dehumidifier connected with the communication module, the dehumidifier is installed in the grounding box and is communicated with the outside of the grounding box through a drain pipe, and the drain pipe is provided with a drain valve.
Further, the humidity control module further comprises a heating device connected with the communication module, and the heating device is installed in the grounding box.
And the power supply is respectively connected with the data acquisition module, the communication module and the temperature control module.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses except possessing the function of driven ground connection case, can also detect high tension cable and ground connection cable's operational data through monitoring sensor to transmit operational data to host system through communication module and carry out centralized monitoring, realize high tension cable line on-line monitoring's purpose, in case the data anomaly takes place in the operation, can the very first time discovery problem, reduced the fault rate of cable operation, improved the fail safe nature of cable operation. The humidity in the grounding box is controlled through the humidity control module, so that the service life and the use stability of the grounding box are obviously prolonged.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
fig. 2 is a structural diagram of an embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.
As shown in fig. 1, the high voltage cable operation parameter online monitoring system includes a grounding box, a data acquisition module for acquiring operation data of the high voltage cable, a communication module, a main control module, and a humidity control module for adjusting humidity in the grounding box; the data acquisition module, the communication module and the main control module are sequentially connected, and the humidity control module is connected with the communication module; the main control module is used for receiving and storing the operation data. The monitoring sensor is used for detecting the operation data of the high-voltage cable and the grounding cable, and the communication module is used for transmitting the operation data to the main control module for centralized monitoring, so that the purpose of on-line monitoring of the high-voltage cable line is realized.
As shown in fig. 2, the data acquisition module includes monitoring sensors, which include a running current sensor installed on the high-voltage cable, a grounding circulating current sensor installed on the grounding cable, a sheath voltage sensor installed on the lower portion of the sheath protector, and a joint temperature sensor installed at the cable joint. The operation data comprises load current data, grounding circulation data, sheath voltage data and joint temperature data which are monitored by the operation current sensor, the grounding circulation sensor, the sheath voltage sensor and the joint temperature sensor, and the monitoring sensors are used for comprehensively monitoring the cable.
As shown in fig. 2, the data acquisition module further includes a first data processing module and a second data processing module, both the first data processing module and the second data processing module are ADAM-4117 modules, an input end of the first data processing module is connected to the operating current sensor and the ground loop current sensor, an input end of the second data processing module is connected to the sheath voltage sensor and the joint temperature sensor, respectively, the first data processing module and the second data processing module are configured to convert the operating data acquired by the monitoring sensor from analog signals to digital transmission signals, and send the digital transmission signals to the communication module, where the digital transmission signals are RS-485 signals. A single ADAM-4117 module cannot accurately convert the signals of four sensors at the same time, so two ADAM-4117 modules are used.
As shown in fig. 2, the communication module includes a first communication end and a second communication end, the first communication module is installed in a ground box, an output end of the first data processing module and an output end of the second data processing module are both connected to the first communication end, the second communication end is connected to the main control module, and the second communication terminal is installed together with the main control module; the first communication end and the second communication end can be connected through optical fibers or the internet, and long-distance transmission of operation data is achieved.
As shown in fig. 2, the communication module further includes a signal conversion module, the signal conversion module is disposed between the second communication terminal and the main control module, the signal conversion module is an ADAM-4520I module, and is configured to convert the operation data received by the second communication terminal from a digital transmission signal into a digital conversion signal that can be directly recognized by the main control module, and the digital conversion signal is an RS-232 signal.
As shown in fig. 2, the data acquisition module further comprises a humidity sensor installed in the grounding box, the humidity sensor is connected with the second data processing module, and the humidity sensor is used for transmitting humidity data in the grounding box to the main control module.
As shown in fig. 2, the humidity control module comprises a moisture absorption agent and a camera which are installed in the grounding box, the camera is connected with a lighting device, the lighting device is used for providing lighting for shooting of the camera, the camera is connected with the first communication end, the camera is used for collecting environmental images in the grounding box at regular time, and the environmental images are transmitted to the main control module through the communication module. The environmental image includes that ground incasement dewfall, ground incasement intake and ground incasement moisture absorbent change state's photo or video, and the moisture absorbent that works as the ground incasement discolours, and the camera is shot the moisture absorbent and is discolourd and pass through environmental image communication module transmits the image to host system after, host system can cooperate the humidity data that humidity transducer transmitted to confirm whether there is the too big problem of humidity in the ground incasement.
As shown in fig. 2, the humidity control module further includes a dehumidifier and a heating lamp tube connected to the first communication end, the dehumidifier and the heating lamp tube are both installed in the grounding box, the dehumidifier is communicated with the outside of the grounding box through a drain pipe, and the drain pipe is provided with a drain valve. The main control module can control the heating pipe to heat the ground box, so that water in the ground box is changed into water vapor, and then the dehumidifier is started and the drainage valve is opened to dehumidify the ground box.
The device further comprises a power supply, wherein the power supply is connected with the data acquisition module, the communication module and the temperature control module, and is used for providing standard voltage required by each module.
As shown in fig. 2, the main control module includes a server and a human-computer interaction terminal connected with the server, the server is connected with the signal conversion module, the server is used for storing the operation data, and the human-computer interaction terminal is used for visually displaying the operation data and can remotely control the humidity control module through the human-computer interaction terminal.
Furthermore, the server is provided with an alarm module, when the alarm module monitors that the operation data received by the server exceeds a preset range, the alarm module automatically sends an abnormal prompt to a worker through the human-computer interaction terminal, the worker can check the data with problems through the human-computer interaction terminal, and can directly judge which kind of fault occurs, tools and schemes for solving the fault are prepared in advance, personnel investment is reduced, and the efficiency for solving the fault is improved.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (10)
1. High tension cable operating parameter on-line monitoring system, including the grounding box, its characterized in that: the grounding box also comprises a data acquisition module for acquiring the operation data of the high-voltage cable, a communication module, a main control module and a humidity control module for adjusting the humidity in the grounding box; the data acquisition module, the communication module and the main control module are sequentially connected, and the humidity control module is connected with the communication module; the main control module is used for receiving and storing the operation data.
2. The high voltage cable operating parameter on-line monitoring system of claim 1, wherein: the data acquisition module comprises a monitoring sensor, wherein the monitoring sensor comprises a running current sensor arranged on a high-voltage cable, a grounding circulating current sensor arranged on a grounding cable, a sheath voltage sensor arranged on the lower part of the sheath protector and a joint temperature sensor arranged at a cable joint.
3. The high voltage cable operating parameter on-line monitoring system of claim 2, wherein: the data acquisition module further comprises a data processing module, the data processing module is connected between the monitoring sensor and the communication module, and the data processing module is an analog-to-digital conversion module.
4. The high voltage cable operating parameter on-line monitoring system of claim 3, wherein: the communication module comprises a first communication end and a second communication end, the first communication end is arranged in the grounding box and connected with the data acquisition module, and the second communication end is connected with the main control module; the first communication end and the second communication end are connected in a wired or wireless mode to achieve remote transmission of operation data.
5. The high voltage cable operating parameter on-line monitoring system of claim 4, wherein: the communication module further comprises a signal conversion module, and the signal conversion module is arranged between the second communication terminal and the main control module and is used for carrying out format conversion on the operation data received by the second communication terminal.
6. The high voltage cable operating parameter on-line monitoring system of claim 5, wherein: the data acquisition module still includes the humidity transducer who is used for detecting ground incasement humidity, humidity transducer with data processing module connects.
7. The high voltage cable operating parameter on-line monitoring system of claim 1, wherein: humidity control module is including installing moisture absorbent and the camera in the ground connection incasement, the camera is connected with lighting device, the camera with communication module connects, the camera is used for regularly gathering the environmental image in the ground connection incasement.
8. The on-line monitoring system for the operating parameters of the high-voltage cable according to claim 6 or 7, characterized in that: the humidity control module further comprises a dehumidifier connected with the communication module, the dehumidifier is installed in the grounding box and is communicated with the outside of the grounding box through a drain pipe, and the drain pipe is provided with a drain valve.
9. The high voltage cable operating parameter on-line monitoring system of claim 8, wherein: the humidity control module further comprises a heating device connected with the communication module, and the heating device is installed in the grounding box.
10. The high voltage cable operating parameter on-line monitoring system of claim 1, wherein: the temperature control device further comprises a power supply which is respectively connected with the data acquisition module, the communication module and the temperature control module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023340056.1U CN214173433U (en) | 2020-12-31 | 2020-12-31 | High-voltage cable operation parameter on-line monitoring system |
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| CN202023340056.1U CN214173433U (en) | 2020-12-31 | 2020-12-31 | High-voltage cable operation parameter on-line monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629594A (en) * | 2020-12-31 | 2021-04-09 | 国网重庆市电力公司璧山供电分公司 | High-voltage cable operation parameter on-line monitoring alarm system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629594A (en) * | 2020-12-31 | 2021-04-09 | 国网重庆市电力公司璧山供电分公司 | High-voltage cable operation parameter on-line monitoring alarm system |
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