CN210894555U - Low-voltage fault discrimination system - Google Patents
Low-voltage fault discrimination system Download PDFInfo
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- CN210894555U CN210894555U CN201920810045.3U CN201920810045U CN210894555U CN 210894555 U CN210894555 U CN 210894555U CN 201920810045 U CN201920810045 U CN 201920810045U CN 210894555 U CN210894555 U CN 210894555U
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Abstract
The utility model discloses a low-voltage fault judging system, which comprises an acquisition module, a plurality of collection modules and a judging module; the acquisition module is used for detecting the short circuit and ground fault information of the low-voltage line and transmitting the fault information; the collecting module is used for repacking and transmitting the received fault information to the judging module after the received fault information is checked; and the judging module judges the position of a fault point and the fault state of the line according to the topological structure of the power distribution network and by combining a self logic algorithm. The utility model provides a low pressure trouble discrimination system is through carrying out fault detection, collecting the back when joining in marriage net low pressure circuit and breaking down, judges fault information, and more accurate location fault point, the maintenance personal of being convenient for directly catch up to the fault point and handle.
Description
Technical Field
The utility model relates to the electrical overhaul field, more specifically, a low pressure trouble discrimination system.
Background
Along with the rapid advance of the urbanization construction process, buildings and factories are more and more constructed, a large number of aging circuits are difficult to meet the operation requirement of the urban power system at present, in addition, the emergence of residential areas and industrial areas increases the complexity of low-voltage circuits of the urban distribution network, a large number of short-circuit faults with unknown reasons exist in the low-voltage circuits, and the technical means which can directly record the state information of the circuits at the moment when the faults of the low-voltage distribution network occur, such as the waveforms of circuit current and circuit voltage to ground, are lacked at present, so that the after-the-fact analysis of the faults cannot be realized. In order to analyze and search the low-voltage distribution network line fault more purposefully and efficiently, optimize the low-voltage distribution network line management and improve the operation, maintenance, management and first-aid repair efficiency of a power system, a low-voltage fault judging system is developed, the equipment is suitable for being installed on the low-voltage distribution network line, compared with the traditional fault judging system, the low-voltage fault judging system can record waves in time and position fault points more accurately, the power failure range and the fault searching time are shortened, the power failure time is greatly reduced, and the waste of manpower and material resources is reduced.
The distribution network low-voltage line is the most common distribution line, the line corridor range is wide, the line supplementing is complex, various faults such as short circuit and grounding are easy to occur to the line, the fault troubleshooting is time-consuming and wastes manpower and material resources, the huge operation and maintenance work which is wasted in investment is relatively complicated, a set of fault judgment system which can record waves in time and accurately position fault points aiming at the low-voltage line is lacked, and the power failure range and the fault finding time are shortened.
SUMMERY OF THE UTILITY MODEL
Fail in time record wave to prior art when joining in marriage net low pressure circuit and break down, the technical defect in the more accurate location fault point, the utility model provides a low pressure fault discrimination system, the utility model discloses a technical scheme be:
a low-voltage fault discrimination system comprises an acquisition module, a plurality of collection modules and a judgment module; the acquisition module, the collection module and the judgment module are in communication connection in sequence;
the acquisition module is used for detecting the short circuit and ground fault information of the low-voltage line and transmitting the fault information;
the collecting module is used for repacking and transmitting the received fault information to the judging module after the received fault information is checked;
and the judging module judges the position of a fault point and the fault state of the line according to the topological structure of the power distribution network and by combining a self logic algorithm.
In a preferred scheme, the collecting module and the judging module carry out data communication through GPRS, the collecting module carries out inspection processing on received fault information, then the fault information is repackaged, and the fault information is sent to the remote judging module through GPRS.
In a preferred scheme, the acquisition module and the aggregation module are in data communication through wireless radio frequency, and the acquisition module sends the detected fault information to the adjacent aggregation module through wireless radio frequency.
In a preferred scheme, the power distribution system further comprises a display module, wherein the display module is electrically connected with the judgment module, the judgment module receives the fault information of the collection module, and the position of the fault point is judged according to the topological structure combination of the power distribution network.
In a preferred scheme, the system further comprises a terminal, the terminal is in communication connection with the judging module, the judging module transmits the fault information to the terminal, and maintenance personnel can know the fault position and the fault state at the terminal.
In a preferred scheme, the terminal further includes a display module, and the display module displays the position information and the fault state in the fault information on the terminal.
In a preferred scheme, the system adopts a ct electricity taking device or uses a solar panel to supply power.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a low pressure trouble discrimination system is through carrying out fault detection, collecting the back when joining in marriage net low pressure circuit and breaking down, judges fault information, and more accurate location fault point, the maintenance personal of being convenient for directly catch up to the fault point and handle.
Drawings
Fig. 1 is a schematic connection diagram of a low-voltage fault determination system provided by the present invention.
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, which are used for illustration only and are not to be construed as limitations of the present patent. 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 technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
Example 1
A low-voltage fault discrimination system comprises an acquisition module 1, a plurality of collection modules 2 and a judgment module 3; the acquisition module 1, the collection module 2 and the judgment module 3 are sequentially in communication connection
The acquisition module 1 is used for detecting short circuit and ground fault information of the low-voltage line and transmitting the fault information;
the collection module 2 is used for repackaging and transmitting the received fault information to the judgment module 3 after the received fault information is checked;
the judging module 3 judges the position of a fault point and the fault state of the line according to the topological structure of the power distribution network and by combining a self logic algorithm;
and the terminal receives the fault information processed by the judging module 3 and sends the fault information to maintenance personnel.
In a preferred scheme, the collecting module 2 uses GPRS as a remote communication mode, and the collecting module 2 performs inspection processing on received fault information, repacks the fault information, and transmits the fault information to the remote judging module 3 in the GPRS communication mode.
In a preferred scheme, the acquisition module 1 and the aggregation module 2 perform data communication through wireless radio frequency, and the acquisition module 1 transmits the detected fault information to the adjacent aggregation module 2 through wireless radio frequency.
In a preferred scheme, the power distribution system further comprises a display module, the display module is electrically connected with the judging module 3, the judging module 3 receives the fault information of the collecting module 2, and the position of a fault point is judged according to the topological structure combination of the power distribution network.
In a preferred scheme, the system adopts a ct electricity taking device or uses a solar power supply to supply power.
In a preferred scheme, the acquisition module 1 has an online wave recording function.
Example 2
The low voltage fault determination system provided in this embodiment is the same as that in embodiment 1, and only the low voltage fault determination system provided in embodiment 1 is further limited.
A low-voltage fault discrimination system comprises an acquisition module 1, a plurality of collection modules 2, a judgment module 3 and a terminal; the acquisition module 1, the collection module 2 and the judgment module 3 are sequentially in communication connection
The acquisition module 1 is used for detecting short circuit and ground fault information of the low-voltage line and transmitting the fault information;
the collection module 2 is used for repackaging and transmitting the received fault information to the judgment module 3 after the received fault information is checked;
the judging module 3 judges the position of a fault point and the fault state of the line according to the topological structure of the power distribution network and by combining a self logic algorithm;
and the terminal receives the fault information processed by the judging module 3 and sends the fault information to maintenance personnel.
In a preferred scheme, the collection module 2 uses GPRS as a remote communication mode, the collection module 2 performs inspection processing on received fault information and then repackages the fault information, and the fault information is sent to the remote judgment module 3 in the GPRS communication mode.
In a preferred scheme, the acquisition module 1 and the aggregation module 2 perform data communication through wireless radio frequency, and the acquisition module 1 transmits the detected fault information to the adjacent aggregation module 2 through wireless radio frequency.
In a preferred scheme, the power distribution system further comprises a display module, the display module is electrically connected with the judging module 3, the judging module 3 receives the fault information of the collecting module 2, and the position of a fault point is judged according to the topological structure combination of the power distribution network.
In a preferred scheme, the system further comprises a terminal, the terminal is in communication connection with the judging module 3, the judging module 3 transmits the fault information to the terminal, and maintenance personnel can know the fault position and the fault state at the terminal.
In a preferred scheme, the terminal further includes a display module, and the display module displays the position information and the fault state in the fault information on the terminal.
In a preferred scheme, the system adopts a ct electricity taking device or uses a solar power supply to supply power.
In a preferred scheme, the acquisition module 1 has an online wave recording function.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (2)
1. A low-voltage fault distinguishing system is characterized by comprising an acquisition module, a collection module and a judgment module; the acquisition module, the collection module and the judgment module are sequentially connected; the collection module and the judgment module carry out data communication through GPRS; the acquisition module and the collection module are in data communication through wireless radio frequency; the display module is electrically connected with the judging module; the terminal is in communication connection with the judging module and receives the fault information processed by the judging module; the terminal also comprises a display module, and the display module displays the position information and the fault state in the fault information; the system is connected with an external high-voltage wire and is powered by high-voltage power supply.
2. The low voltage fault discrimination system of claim 1, wherein the system is connected to an external solar panel, the solar panel providing power to the system.
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| CN201920810045.3U CN210894555U (en) | 2019-05-30 | 2019-05-30 | Low-voltage fault discrimination system |
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| CN201920810045.3U CN210894555U (en) | 2019-05-30 | 2019-05-30 | Low-voltage fault discrimination system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112731062A (en) * | 2020-12-28 | 2021-04-30 | 广东电网有限责任公司佛山供电局 | Method for diagnosing low-voltage user power failure by utilizing telecommunication terminal equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112731062A (en) * | 2020-12-28 | 2021-04-30 | 广东电网有限责任公司佛山供电局 | Method for diagnosing low-voltage user power failure by utilizing telecommunication terminal equipment |
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