CN219496561U - Cable partial discharge capacity on-line measuring device - Google Patents
Cable partial discharge capacity on-line measuring device Download PDFInfo
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- CN219496561U CN219496561U CN202320156959.9U CN202320156959U CN219496561U CN 219496561 U CN219496561 U CN 219496561U CN 202320156959 U CN202320156959 U CN 202320156959U CN 219496561 U CN219496561 U CN 219496561U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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Abstract
The utility model relates to a cable partial discharge on-line detection device, which comprises a sensor, a data acquisition module, a data processing module and a terminal server, wherein the sensor is sleeved on a grounding wire or a cross interconnection wire of a cable and is used for acquiring a discharge signal of the cable; the utility model has the advantages of high efficiency, practicality, accuracy and convenience.
Description
Technical Field
The utility model belongs to the technical field of electric power, and particularly relates to an online detection device for local discharge capacity of a cable.
Background
With the development of urban construction, the cable is widely applied to the transmission line; however, due to the defects of the cable, the cable is often in a severe and complex environment, and has the defects of external force damage, loss caused by construction and installation, and partial discharge caused by the insulation defect, the service life of the cable is far lower than the theoretical service life; the condition that the large-area power failure of the power grid is caused by cable faults is frequent every year, which seriously threatens the running stability of the power system and greatly damages the national economy.
At present, most of monitoring and diagnosing of local discharge by cables in China adopt an off-line manual periodic mode, and although the accuracy is high, obvious defects exist: not only is time consuming and has large workload, but also the problem can not be found in time, so that the condition of missed detection is caused; meanwhile, because the discharging process is slow, the discharging process is difficult to find in the running process, and the running safety of the power system is seriously influenced, therefore, the development of an efficient, practical, accurate and convenient online detection device for the partial discharging amount of the cable is necessary.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides an efficient, practical, accurate and convenient online detection device for the partial discharge capacity of a cable.
The purpose of the utility model is realized in the following way: the utility model provides a cable partial discharge capacity on-line measuring device, includes sensor, data acquisition module, data processing module and terminal server, the sensor cup joints on the earth connection or the cross interconnection of cable, and is used for gathering the discharge signal of cable, and is provided with wave filter and signal amplifier between sensor and the data acquisition module, and wherein, the wave filter can carry out filter processing to the current signal that the sensor detected, and signal amplifier can carry out the conditioning to the current signal that the sensor detected, the data acquisition module is used for gathering and acquires the current signal after wave filter and signal amplifier pretreatment, data processing module is used for receiving the data that the data acquisition module gathered to carry out analog waveform, after making it convert binary data into binary data, the binary data after will handling the completion is passed through wireless transmission mode and is carried in the terminal server.
The sensor is a UHF sensor and is arranged on the outer surface of an insulating layer on a grounding wire or a cross interconnection wire of the cable in a seamless welding mode.
And a storage module is arranged in the data acquisition module and used for storing and backing up the signal data.
The data processing module is internally provided with a positioning unit, and the positioning unit can transmit the position information together with the processed data into the terminal server through the wireless transmission module.
The utility model has the beneficial effects that: according to the utility model, the UHF sensor is arranged, the sheet-shaped sensor can be used for cutting and installing according to actual needs, the filter and the signal amplifier are arranged, the filter can be used for carrying out filtering treatment on the current signal detected by the sensor, the signal amplifier can be used for carrying out conditioning amplification on the current signal detected by the sensor, and the wireless transmission module is arranged, so that the data transmission can be carried out in a wireless transmission mode, the purpose of high efficiency and rapidness is achieved, the storage module is arranged, the data can be conveniently stored and backed up, and the positioning unit is arranged, and the discharge part can be conveniently and rapidly positioned by using the position information sent by the positioning unit; in general, the utility model has the advantages of high efficiency, practicability, accuracy and convenience.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure: 1. sensor 2, data acquisition module 3, data processing module 4, terminal server 5, wave filter 6, signal amplifier 7, wireless transmission module 8, storage module 9, positioning unit 0, cable.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Examples: as shown in fig. 1, the device for detecting the partial discharge capacity of a cable on line comprises a sensor 1, a data acquisition module 2, a data processing module 3 and a terminal server 4, wherein the sensor 1 is sleeved on a ground wire or a cross interconnection wire of the cable 0 and is used for acquiring a discharge signal of the cable 0, a filter 5 and a signal amplifier 6 are arranged between the sensor 1 and the data acquisition module 2, the filter 5 can perform filtering processing on the current signal detected by the sensor 1, the signal amplifier 6 can perform conditioning amplification on the current signal detected by the sensor 1, the data acquisition module 2 is used for acquiring and acquiring the current signal preprocessed by the filter 5 and the signal amplifier 6, and the data processing module 3 is used for receiving data acquired by the data acquisition module 2 and performing analog waveform on the data so that the data after being converted into binary data, and the binary data after being processed are transmitted into the terminal server 4 in a wireless transmission mode through a wireless transmission module 7.
The sensor 1 is a UHF sensor and is arranged on the outer surface of an insulating layer on a grounding wire or a cross interconnection wire of the cable 0 in a seamless welding mode, and the sheet-shaped sensor 1 can be cut and installed according to actual needs; a storage module 8 is arranged in the data acquisition module 2 and is used for carrying out storage backup on signal data; the data processing module 3 is internally provided with a positioning unit 9, and the positioning unit 9 can transmit the position information together with the processed data to the terminal server 4 through the wireless transmission module 7.
According to the UHF sensor, the UHF sensor 1 is arranged, the sheet-shaped sensor 1 can be cut and installed according to actual needs, the filter 5 and the signal amplifier 6 are arranged, the current signal detected by the sensor 1 can be subjected to filtering treatment by the filter 5, the current signal detected by the sensor 1 can be conditioned and amplified by the signal amplifier 6, the wireless transmission module 7 is arranged, and data can be transmitted in a wireless transmission mode, so that the aim of high efficiency and rapidness of data transmission is achieved, the storage and backup of the data can be conveniently carried out by the storage module 8, and the discharge position can be conveniently and rapidly positioned by an maintainer by the aid of the position information sent by the positioning unit 9; in general, the utility model has the advantages of high efficiency, practicability, accuracy and convenience.
The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the specific embodiments of the present utility model without departing from the spirit and scope of the present utility model, and all modifications and equivalents are intended to be included in the scope of the claims of the present utility model.
Claims (4)
1. The utility model provides a cable partial discharge capacity on-line measuring device, includes sensor, data acquisition module, data processing module and terminal server, its characterized in that: the sensor is sleeved on a grounding wire or a cross interconnection wire of the cable and is used for collecting discharge signals of the cable, a filter and a signal amplifier are arranged between the sensor and the data collection module, the filter can carry out filtering processing on current signals detected by the sensor, the signal amplifier can condition and amplify the current signals detected by the sensor, the data collection module is used for collecting and obtaining the current signals preprocessed by the filter and the signal amplifier, and the data processing module is used for receiving data collected and obtained by the data collection module and carrying out analog waveform on the data so that the data are converted into binary data, and then the binary data after being processed are transmitted into the terminal server in a wireless transmission mode through the wireless transmission module.
2. The cable partial discharge amount on-line measuring device as set forth in claim 1, wherein: the sensor is a UHF sensor and is arranged on the outer surface of an insulating layer on a grounding wire or a cross interconnection wire of the cable in a seamless welding mode.
3. The cable partial discharge amount on-line measuring device as set forth in claim 1, wherein: and a storage module is arranged in the data acquisition module and used for storing and backing up the signal data.
4. The cable partial discharge amount on-line measuring device as set forth in claim 1, wherein: the data processing module is internally provided with a positioning unit, and the positioning unit can transmit the position information together with the processed data into the terminal server through the wireless transmission module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320156959.9U CN219496561U (en) | 2023-02-08 | 2023-02-08 | Cable partial discharge capacity on-line measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320156959.9U CN219496561U (en) | 2023-02-08 | 2023-02-08 | Cable partial discharge capacity on-line measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219496561U true CN219496561U (en) | 2023-08-08 |
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ID=87505274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320156959.9U Active CN219496561U (en) | 2023-02-08 | 2023-02-08 | Cable partial discharge capacity on-line measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219496561U (en) |
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2023
- 2023-02-08 CN CN202320156959.9U patent/CN219496561U/en active Active
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