CN209894907U - Ultrahigh frequency sensor for online detection of GIS partial discharge of wireless transmission - Google Patents
Ultrahigh frequency sensor for online detection of GIS partial discharge of wireless transmission Download PDFInfo
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- CN209894907U CN209894907U CN201821790795.0U CN201821790795U CN209894907U CN 209894907 U CN209894907 U CN 209894907U CN 201821790795 U CN201821790795 U CN 201821790795U CN 209894907 U CN209894907 U CN 209894907U
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Abstract
The ultrahigh frequency sensor for online detection of GIS partial discharge of wireless transmission comprises a signal conditioning circuit board, a high frequency partial discharge sensor, a wireless transmitting module, an antenna and a lithium battery; the lithium battery, the high-frequency partial discharge sensor and the wireless transmitting module are all arranged on the signal conditioning circuit board, the lithium battery is respectively and electrically connected with the high-frequency partial discharge sensor and the wireless transmitting module, the high-frequency partial discharge sensor is in signal connection with the wireless transmitting module, and the wireless transmitting module is further connected with the antenna; signals collected by the high-frequency partial discharge sensor are directly transmitted to the background wireless receiving module through radio frequency emitted by the antenna through the conditioning circuit, and are processed and analyzed by the monitoring terminal. The ultrahigh frequency sensor for GIS partial discharge online detection solves the problems of large amount of cables, complex installation and high cost in field installation, and realizes the isolation of a power supply and signal transmission, thereby reducing the influence of the power supply on monitoring signals and improving the accuracy of the monitoring signals.
Description
Technical Field
The utility model belongs to smart power grids on-line monitoring field relates to a GIS partial discharge on-line monitoring's that can wireless transmission high frequency sensor.
Background
With the rapid development of smart grid construction and the wide application of various monitoring sensors, the problems in sensor signal transmission are increasing day by day, so the requirements for stability, high efficiency and convenience of signal transmission are becoming stronger. Traditional superfrequency sensor uses the circular connector to supply power and signal transmission, as shown in fig. 1, traditional GIS partial discharge sensor includes high frequency partial discharge sensor 1, cable plug 2 and cable 3, cable 3 is used for transmitting the signal and supplies power for high frequency partial discharge sensor 1, cable plug 2 connects high frequency partial discharge sensor 1 and cable 3, but this kind of GIS partial discharge sensor easily leads to the signal easily to receive power supply's influence, and the field installation needs a large amount of cables, and is not convenient enough, and is with higher costs.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an ultrahigh frequency sensor for online detection of GIS partial discharge in wireless transmission is provided, so that the defects of the traditional GIS partial discharge sensor are overcome, the power supply and signal transmission isolation of the ultrahigh frequency sensor are realized, and the wireless transmission of signals is monitored.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
an ultrahigh frequency sensor for online detection of GIS partial discharge in wireless transmission comprises a signal conditioning circuit board, a high frequency partial discharge sensor, a wireless transmitting module, an antenna and a lithium battery; the lithium battery, the high-frequency partial discharge sensor and the wireless transmitting module are all arranged on the signal conditioning circuit board, the lithium battery is respectively and electrically connected with the high-frequency partial discharge sensor and the wireless transmitting module, the high-frequency partial discharge sensor is in signal connection with the wireless transmitting module, and the wireless transmitting module is connected with the antenna; signals collected by the high-frequency partial discharge sensor are directly transmitted to the background wireless receiving module through the radio frequency emitted by the antenna through the conditioning circuit, and are processed and analyzed by the monitoring terminal.
Preferably, the wireless transmission module is an RF radio frequency transmission wireless module.
Through the technical scheme, the utility model provides a very high frequency sensor that can wireless transmission, through setting up lithium cell, high frequency partial discharge sensor and wireless transmitting module on signal conditioning circuit board, the lithium cell is connected with high frequency partial discharge sensor and wireless transmitting module electricity respectively, and high frequency partial discharge sensor and wireless transmitting module signal connection, wireless transmitting module is connected with the antenna again; signals collected by the high-frequency partial discharge sensor are directly transmitted to the background wireless receiving module through radio frequency emitted by the antenna through the conditioning circuit, and are processed and analyzed by the monitoring terminal. The problems that a large number of cables are needed in field installation, installation is complicated, and cost is high are solved, more importantly, isolation between a power supply and signal transmission is achieved, influence of the power supply on monitoring signals is reduced, and accuracy of the monitoring signals is improved. Meanwhile, each sensor has a fixed IP through a wireless module, and background management and maintenance are facilitated, so that the purposes of novel design, reasonable structure and good application effect are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a conventional GIS partial discharge sensor;
fig. 2 is the embodiment of the utility model discloses a wireless transmission's GIS partial discharge on-line measuring's superfrequency sensor sketch map.
The corresponding part names indicated by the numbers and letters in the drawings:
1. high-frequency partial discharge sensor 2, cable plug 3, cable 4, signal modulation
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The present invention will be described in further detail with reference to examples and embodiments.
Examples are given.
As shown in fig. 2, an ultrahigh frequency sensor for online detection of wireless transmission GIS partial discharge comprises a signal conditioning circuit board 4, a high frequency partial discharge sensor 1, an RF radio frequency transmission wireless module 5, an antenna 6 and a lithium battery 7; the lithium battery 7, the high-frequency partial discharge sensor 1 and the RF wireless transmission module 5 are all arranged on the signal conditioning circuit board 4, the lithium battery 7 is respectively and electrically connected with the high-frequency partial discharge sensor 1 and the RF wireless transmission module 5, the high-frequency partial discharge sensor 1 is in signal connection with the RF wireless transmission module 5, and the RF wireless transmission module 5 is further connected with the antenna 6; signals collected by the high-frequency partial discharge sensor 1 are transmitted to the RF wireless transmission module 5 through the conditioning circuit, are processed and then are directly transmitted to the background wireless receiving module through the radio frequency emitted by the antenna 6, and are processed and analyzed by the monitoring terminal.
In the ultrahigh frequency sensor for online detection of GIS partial discharge in wireless transmission, a lithium battery, a high frequency partial discharge sensor and a wireless transmitting module are all arranged on a signal conditioning circuit board, the lithium battery is respectively and electrically connected with the high frequency partial discharge sensor and the wireless transmitting module, the high frequency partial discharge sensor is in signal connection with the wireless transmitting module, and the wireless transmitting module is further connected with an antenna; signals collected by the high-frequency partial discharge sensor are directly transmitted to the background wireless receiving module through radio frequency emitted by the antenna through the conditioning circuit, and are processed and analyzed by the monitoring terminal. The problems that a large number of cables are needed in field installation, installation is complicated, and cost is high are solved, more importantly, isolation between a power supply and signal transmission is achieved, influence of the power supply on monitoring signals is reduced, and accuracy of the monitoring signals is improved. Meanwhile, each sensor has a fixed IP through a wireless module, and background management and maintenance are facilitated.
According to the ultrahigh frequency sensor for GIS partial discharge online detection, an RF radio frequency transmission wireless module 5 and a signal conditioning circuit replace a cable interface of a traditional GIS partial discharge sensor by adopting an RF radio frequency transmission technology, and signals collected by the high frequency partial discharge sensor 1 are directly transmitted to a background wireless receiving module through the RF radio frequency transmission wireless module by the conditioning circuit and are processed and analyzed by a monitoring terminal. Each sensor has a fixed IP address, so that each high-frequency partial discharge sensor has a serial number, the monitoring and management of a background monitoring terminal are facilitated, and the sensor with a problem can be found and replaced in time. A lithium battery power supply module; the high-frequency partial discharge sensor 1 and the RF radio frequency transmission wireless module 5 are powered by lithium batteries, so that the power consumption of the high-frequency partial discharge sensor is small, the high-frequency partial discharge sensor can be controlled by programs, the sensor is awakened when monitoring is needed, the sensor is in a dormant state when monitoring is not needed, the power consumption is greatly reduced, and the lithium batteries can ensure that the sensor works for more than 3 years. The defects of a traditional GIS partial discharge sensor are overcome, the power supply and signal transmission isolation of the ultrahigh frequency sensor are realized, the wireless transmission of signals is monitored, and the purposes of novel design, reasonable structure and good application effect are achieved.
What has just been said above is the utility model discloses a wireless transmission's GIS partial discharge on-line measuring's ultrahigh frequency sensor preferred embodiment, should point out, to the ordinary skilled person in this field, do not deviate from the utility model discloses under the prerequisite of inventive concept, can also make a plurality of deformations and improvements, these all belong to the utility model discloses a protection scope.
Claims (2)
1. An ultrahigh frequency sensor for online detection of GIS partial discharge in wireless transmission is characterized by comprising a signal conditioning circuit board, a high frequency partial discharge sensor, a wireless transmitting module, an antenna and a lithium battery; the lithium battery, the high-frequency partial discharge sensor and the wireless transmitting module are all arranged on the signal conditioning circuit board, the lithium battery is respectively and electrically connected with the high-frequency partial discharge sensor and the wireless transmitting module, the high-frequency partial discharge sensor is in signal connection with the wireless transmitting module, and the wireless transmitting module is connected with the antenna; signals collected by the high-frequency partial discharge sensor are directly transmitted to the background wireless receiving module through the radio frequency emitted by the antenna through the conditioning circuit, and are processed and analyzed by the monitoring terminal.
2. The ultrahigh frequency sensor for online detection of GIS partial discharge of wireless transmission according to claim 1, wherein the wireless transmission module is an RF wireless transmission module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821790795.0U CN209894907U (en) | 2018-10-31 | 2018-10-31 | Ultrahigh frequency sensor for online detection of GIS partial discharge of wireless transmission |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821790795.0U CN209894907U (en) | 2018-10-31 | 2018-10-31 | Ultrahigh frequency sensor for online detection of GIS partial discharge of wireless transmission |
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| CN209894907U true CN209894907U (en) | 2020-01-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270417A (en) * | 2018-10-31 | 2019-01-25 | 江苏骏龙光电科技股份有限公司 | A kind of extra-high video sensor of the GIS partial discharge on-line checking of wireless transmission |
| CN112946438A (en) * | 2021-03-15 | 2021-06-11 | 哈尔滨理工大学 | Modularized wireless partial discharge detection device |
-
2018
- 2018-10-31 CN CN201821790795.0U patent/CN209894907U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270417A (en) * | 2018-10-31 | 2019-01-25 | 江苏骏龙光电科技股份有限公司 | A kind of extra-high video sensor of the GIS partial discharge on-line checking of wireless transmission |
| CN112946438A (en) * | 2021-03-15 | 2021-06-11 | 哈尔滨理工大学 | Modularized wireless partial discharge detection device |
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