CN206618821U - A kind of electric power distribution network line-to-ground fault detects alarm device - Google Patents
A kind of electric power distribution network line-to-ground fault detects alarm device Download PDFInfo
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- CN206618821U CN206618821U CN201720410180.XU CN201720410180U CN206618821U CN 206618821 U CN206618821 U CN 206618821U CN 201720410180 U CN201720410180 U CN 201720410180U CN 206618821 U CN206618821 U CN 206618821U
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- signal input
- ground fault
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Abstract
Alarm device is detected the utility model discloses a kind of electric power distribution network line-to-ground fault of circuit safety technical field, including ground fault detection apparatus, the signal output part of the ground fault detection apparatus and the signal input part of data acquisition unit are connected, the signal output part of the data acquisition unit and the signal input part of AD conversion unit, the signal output part of the AD conversion unit and the signal input part of PLC are connected, the signal end of the PLC and the signal end of comparison unit are bi-directionally connected, the signal end of the comparison unit and the signal end of memory cell are bi-directionally connected, the electric power distribution network line-to-ground fault detects alarm device, by ground fault detection apparatus to being monitored in real time at detection, testing result is reminded into nearby staff by alarm, pass through the setting of Terminal Server Client, it is easy to notify the staff of distant place.
Description
Technical field
The utility model is related to circuit safety technical field, specially a kind of electric power distribution network line-to-ground fault detection alarm
Device.
Background technology
With being continuously increased for urban distribution network cable run, the harm of urban distribution network singlephase earth fault is increasingly
Greatly, the concentration line selection apparatus of transformer station is relatively more accurate on cable run, but in detection process, it is impossible to detection is tied
Fruit is transferred to the staff of distant place, it is impossible to the staff of distant place is timely reminded, therefore, we have proposed a kind of power distribution network
Route road Earth Fault Detection alarm device.
Utility model content
The purpose of this utility model is to provide a kind of electric power distribution network line-to-ground fault detection alarm device, with solution
State proposed in background technology in detection process, it is impossible to testing result is transferred to the staff of distant place, it is impossible to timely
The problem of reminding the staff of distant place.
To achieve the above object, the utility model provides following technical scheme：A kind of electric power distribution network line-to-ground fault inspection
Survey alarm device, including ground fault detection apparatus, the signal output part of the ground fault detection apparatus and data acquisition unit
Signal input part is connected, the signal output part of the data acquisition unit and the signal input part of AD conversion unit, the mould
The signal output part of number converting unit and the signal input part of PLC are connected, the signal end of the PLC and contrast
The signal end of unit is bi-directionally connected, and the signal end of the comparison unit and the signal end of memory cell are bi-directionally connected, the PLC controls
Signal input part of the signal output part of device processed respectively with circuit control unit and Cloud Server is connected, the PLC
Signal input part and the signal output part of input block connect, the signal output part of the circuit control unit and alarm
Signal input part is connected, and the signal output part of the Cloud Server and the signal input part of download unit are connected, described to download list
The signal output part of member and the signal input part of D/A conversion unit are connected, the signal output part of the D/A conversion unit with it is remote
The signal input part connection of journey client, the Terminal Server Client includes data receipt unit, the letter of the data receipt unit
The signal output part of number input and D/A conversion unit is connected, the signal output part and data conversion of the data receipt unit
The signal input part connection of unit, the signal output part of the Date Conversion Unit and the signal input part of microprocessor are connected,
Signal input part of the signal output part of the microprocessor respectively with memory, display unit and voice alerting unit is connected.
It is preferred that, the display unit is LED display.
It is preferred that, the Terminal Server Client is mobile phone A PP clients or computer client.
It is preferred that, the alarm is audible-visual annunciator.
Compared with prior art, the beneficial effects of the utility model are：Electric power distribution network line-to-ground fault detection alarm
Device, by ground fault detection apparatus to being monitored in real time at detection, testing result is reminded by alarm and nearby worked
Personnel, by the setting of Terminal Server Client, are easy to notify the staff of distant place.
Brief description of the drawings
Fig. 1 is the utility model theory diagram；
Fig. 2 is the utility model Terminal Server Client theory diagram.
In figure：1 ground fault detection apparatus, 2 data acquisition units, 3 AD conversion units, 4PLC controllers, 5 contrasts are single
It is member, 6 memory cell, 7 circuit control units, 8 alarms, 9 Cloud Servers, 10 download units, 11 D/A conversion units, 12 long-range
Client, 121 data receipt units, 122 Date Conversion Units, 123 microprocessors, 124 memories, 125 display units, 126
Voice alerting unit, 13 input blocks.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of electric power distribution network line-to-ground fault detection is accused
Alarm device, including ground fault detection apparatus 1, the signal of the signal output part and data acquisition unit 2 of ground fault detection apparatus 1 are defeated
Enter end connection, the signal output part of data acquisition unit 2 and the signal input part of AD conversion unit 3, AD conversion unit 3
Signal output part is connected with the signal input part of PLC 4, the signal end of PLC 4 and the signal end of comparison unit 5
It is bi-directionally connected, the signal end and the signal end of memory cell 6 of comparison unit 5 are bi-directionally connected, the signal output of PLC 4
The signal input part respectively with circuit control unit 7 and Cloud Server 9 is held to be connected, the signal input part of PLC 4 and input
The signal output part connection of unit 13, the signal output part of circuit control unit 7 is connected with the signal input part of alarm 8, cloud
The signal output part of server 9 is connected with the signal input part of download unit 10, the signal output part and digital-to-analogue of download unit 10
The signal input part connection of converting unit 11, the signal output part of D/A conversion unit 11 is inputted with the signal of Terminal Server Client 12
End connection, Terminal Server Client 12 includes data receipt unit 121, the signal input part of data receipt unit 121 and digital-to-analogue conversion
The signal output part connection of unit 11, the signal output part of data receipt unit 121 is inputted with the signal of Date Conversion Unit 122
End connection, the signal output part of Date Conversion Unit 122 is connected with the signal input part of microprocessor 123, microprocessor 123
Signal input part of the signal output part respectively with memory 124, display unit 125 and voice alerting unit 126 is connected.
Wherein, display unit 125 is LED display, and Terminal Server Client 12 is mobile phone A PP clients or computer client
End, alarm 8 is audible-visual annunciator.
Operation principle：1 pair of detection ground of ground fault detection apparatus is monitored in real time, and data acquisition unit 2 is to earth fault
The testing result of detector 1 is obtained, and the analog signal that data acquisition unit 2 is obtained is converted to electricity by AD conversion unit 3
Electric signal output to PLC 4 is pre-entered failure situation by input block 13 and deposited by signal, AD conversion unit 3
Store up in memory cell 6, PLC 4 passes through the prestored information in comparison unit 5 and memory cell 6 by big electric signal is received
Contrasted, if it is identical with the information prestored in memory cell 6 electric signal occur, PLC 4 sends instruction, circuit control
Unit 7 processed receives the power supply for instructing and connecting alarm 8, and alarm 8 is alarmed, meanwhile, PLC 4 is by signal output to cloud
Server 9, download unit 10 downloads fault message and is converted to analog signal, data receipt unit by D/A conversion unit 11
121 receive the analog signal of fault messages, and analog signal is converted to data-signal by Date Conversion Unit 122, and by data
Signal is handled by microprocessor 123, and microprocessor 123 stores data-signal, by display unit by memory 124
125 show, are broadcast by voice alerting unit 126, so that staff is responded according to information is understood.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of electric power distribution network line-to-ground fault detects alarm device, including ground fault detection apparatus (1), it is characterised in that：
The signal output part of the ground fault detection apparatus (1) is connected with the signal input part of data acquisition unit (2), and the data are adopted
Collect the signal output part of unit (2) and the signal input part of AD conversion unit (3), the signal of the AD conversion unit (3)
Output end is connected with the signal input part of PLC (4), signal end and the comparison unit (5) of the PLC (4)
Signal end is bi-directionally connected, and the signal end and the signal end of memory cell (6) of the comparison unit (5) are bi-directionally connected, the PLC controls
Signal input part of the signal output part of device (4) processed respectively with circuit control unit (7) and Cloud Server (9) is connected, the PLC
The signal input part of controller (4) is connected with the signal output part of input block (13), the signal of the circuit control unit (7)
Output end is connected with the signal input part of alarm (8), signal output part and the download unit (10) of the Cloud Server (9)
Signal input part is connected, and the signal output part of the download unit (10) connects with the signal input part of D/A conversion unit (11)
Connect, the signal output part of the D/A conversion unit (11) is connected with the signal input part of Terminal Server Client (12), it is described long-range
Client (12) includes data receipt unit (121), signal input part and the digital-to-analogue conversion list of the data receipt unit (121)
The signal output part connection of first (11), signal output part and the Date Conversion Unit (122) of the data receipt unit (121)
Signal input part is connected, and the signal output part of the Date Conversion Unit (122) connects with the signal input part of microprocessor (123)
Connect, the signal output part of the microprocessor (123) respectively with memory (124), display unit (125) and voice alerting unit
(126) signal input part connection.
2. a kind of electric power distribution network line-to-ground fault detection alarm device according to claim 1, it is characterised in that：It is described
Display unit (125) is LED display.
3. a kind of electric power distribution network line-to-ground fault detection alarm device according to claim 1, it is characterised in that：It is described
Terminal Server Client (12) is mobile phone A PP clients or computer client.
4. a kind of electric power distribution network line-to-ground fault detection alarm device according to claim 1, it is characterised in that：It is described
Alarm (8) is audible-visual annunciator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720410180.XU CN206618821U (en) | 2017-04-19 | 2017-04-19 | A kind of electric power distribution network line-to-ground fault detects alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720410180.XU CN206618821U (en) | 2017-04-19 | 2017-04-19 | A kind of electric power distribution network line-to-ground fault detects alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206618821U true CN206618821U (en) | 2017-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720410180.XU Expired - Fee Related CN206618821U (en) | 2017-04-19 | 2017-04-19 | A kind of electric power distribution network line-to-ground fault detects alarm device |
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| Country | Link |
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| CN (1) | CN206618821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994539A (en) * | 2017-12-06 | 2018-05-04 | 国网山东省电力公司滨州市滨城区供电公司 | A kind of distribution line failure detecting system based on Cloud Server |
-
2017
- 2017-04-19 CN CN201720410180.XU patent/CN206618821U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994539A (en) * | 2017-12-06 | 2018-05-04 | 国网山东省电力公司滨州市滨城区供电公司 | A kind of distribution line failure detecting system based on Cloud Server |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171107 Termination date: 20180419 |
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| CF01 | Termination of patent right due to non-payment of annual fee |