CN203929951U - Intelligent alarm is surveyed in integral type electric leakage - Google Patents
Intelligent alarm is surveyed in integral type electric leakage Download PDFInfo
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- CN203929951U CN203929951U CN201420046594.5U CN201420046594U CN203929951U CN 203929951 U CN203929951 U CN 203929951U CN 201420046594 U CN201420046594 U CN 201420046594U CN 203929951 U CN203929951 U CN 203929951U
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Abstract
The utility model relates to electric fire disaster monitoring technical field, is specifically related to a kind of integral type electric leakage and surveys intelligent alarm, comprising: be located at the zero sequence current mutual inductor in electric line the central controller being connected with described zero sequence current mutual inductor output terminal; Described central controller comprises pre-alarm fault judge module, pre-alarming device and fault verification and circuit protection module; Described central controller output terminal connects leakage current display device and alarm output device.The utility model can be monitored in real time to electrical network main line or branch line leakage current; when effectively leak current fault being carried out to alarm and protection by leakage protection circuit; leakage fire hidden danger electrical network being existed by electric leakage prealarm circuit is carried out pre-alarm; make power system monitor more reasonable; can prevent unnecessary misoperation; avoid affecting because of power-off suddenly people's life and production, reduce the economic loss therefore causing.
Description
Technical field
The utility model relates to electric fire disaster monitoring technical field, is specifically related to integral type electric leakage and surveys intelligent alarm.
background technology
Along with the fast development of Chinese national economy, living standards of the people improve rapidly, and consumer rolls up, and power consumption also increases year by year, and the electrical fire that electric wiring directly or indirectly causes also increases thereupon.Electrical fire cause is more, comprises short circuit, overheated, electric leakage, thunderbolt and electric fault etc.At present; the safeguard measures such as short circuit, overheated, thunderbolt are day by day ripe; and the leaky producing because cable is aging does not often cause enough attention due to ubiquity; the leaky producing because cable is aging not only causes the waste of the energy; more may cause electrical fire, and therefore jeopardize the great security of the lives and property.Existing Electric Leakage Fire Alarm is reported to the police by the leak current fault of monitoring electrical network main line or branch cable itself, this kind of Electric Leakage Fire Alarm once motion will cause the unexpected power-off of electrical network, not only affect people's normal life and production, for industrial tinuous production, may cause huge economic loss.
utility model content
Problem to be solved in the utility model is that traditional detection of electrical leakage warning system is used defect inconvenient, that easily cause economic loss, provide a kind of integral type electric leakage to survey intelligent alarm, its integrated design, can detect leak current fault early warning rapidly, exactly, reduces economic loss.
The utility model embodiment provides a kind of integral type electric leakage to survey intelligent alarm, comprising: be located at the zero sequence current mutual inductor in electric line, for gathering the real-time current value of circuit; The central controller being connected with described zero sequence current mutual inductor output terminal, for judging transducer signal, and sends command adapted thereto; Described central controller comprises pre-alarm fault judge module, for the electric current contrast with default, and judges whether to need to report to the police; Described central controller also comprises pre-alarming device, for reporting to the police after the alerting signal receiving pre-alarm fault judging circuit; Described central controller also comprises fault verification and circuit protection module, for detection of with line fault and according to emergency protection electric line.
To being further improved to of technique scheme, the output terminal of described zero sequence current mutual inductor connects a signal processing apparatus, for the output signal of zero sequence current mutual inductor is carried out exporting after independence, gain compensation computing, the output terminal of signal processing apparatus connects described central controller.
To being further improved to of technique scheme, the output terminal of described central controller connects a leakage current display device, for showing the real-time current value by electric line.
To being further improved to of technique scheme, described central controller also comprises alarm output device, and for fault-signal being transferred to man-machine picture, whether artificial decision takes corresponding measure to fault.
Preferably, described central controller is STC12C5630AD single-chip microcomputer.
To being further improved to of technique scheme, described pre-alarming device includes pre-alarm relay and the hand-reset button being serially connected with on central controller input end and central controller output loop.
Intelligent alarm is surveyed in integral type electric leakage described in the utility model; beneficial effect is compared to existing technology: can monitor in real time electrical network main line or branch line leakage current; when effectively leak current fault being carried out to alarm and protection by leakage protection circuit; leakage fire hidden danger electrical network being existed by electric leakage prealarm circuit is carried out pre-alarm; make power system monitor more reasonable; can prevent unnecessary misoperation; avoid affecting because of power-off suddenly people's life and production, reduce the economic loss therefore causing.
accompanying drawing explanation
Accompanying drawing 1 is the structured flowchart that intelligent alarm is surveyed in the electric leakage of the utility model embodiment integral type;
Accompanying drawing 2 is the workflow diagram that intelligent alarm is surveyed in the electric leakage of the utility model embodiment integral type.
embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is described in further detail.
Embodiment:
With reference to Fig. 1, intelligent alarm is surveyed in integral type described in the utility model electric leakage, and it comprises is located at the zero sequence current mutual inductor 1 in electric line, the signal processing apparatus 2 being connected with the output terminal of zero sequence current mutual inductor 1 and the central controller 3 that is connected with the output terminal of signal processing apparatus 2.Zero sequence current mutual inductor 1 is for gathering with the real-time current in electric line, signal processing apparatus 2 is exported to central controller 3 for the output signal of zero sequence current mutual inductor is carried out after independence, gain compensation computing, central controller 3 is for judging whether to break down according to real-time current signal, and sends corresponding instruction.
Wherein, central controller 3 is a STC12C5630AD single-chip microcomputer, it comprises pre-alarm fault judge module 31 and pre-alarming device 32, pre-alarm fault judge module 31 is connected with the output terminal of signal processing apparatus 2 and the input end of pre-alarming device 32, for the current signal of the signal processing apparatus 2 receiving and default electric current are contrasted, and judge whether to need to report to the police, as needed, report to the police, alerting signal is passed to pre-alarming device 32, pre-alarming device 32 sends sound and light signal, reports to the police; If do not needed to report to the police, normally work.Wherein, pre-alarming device 32 includes pre-alarm relay and the hand-reset button being serially connected with on central controller 3 input ends and output loop, when pre-alarming device 32 receives the alerting signal of pre-alarm fault judge module 31 transmission, pre-alarm relay closes, connect circuit, carry out sound and light alarm.Hand-reset button, when trouble shooting, cuts out alerting signal.
Central controller 3 also comprises fault verification and circuit protection module 33; be connected with pre-alarming device 32; for detection of using the fault of electric line as short circuit, open circuit etc., signal is transferred to pre-alarming device 32 carries out fault alarm, and according to fault, enables protection system protection and use electric line.
The output terminal of central controller 3 connects a leakage current display device 4, for showing the real-time current value by electric line, the failure condition for manual monitoring by electric line.
The output terminal of central controller 3 also connects an alarm output device 5, and for fault-signal being transferred to man-machine picture, whether artificial decision takes corresponding measure to fault.
With reference to Fig. 2, integral type electric leakage described in the utility model is surveyed intelligent alarm when work, zero sequence current mutual inductor 1 gathers by the real-time current value in electric line, after signal processing apparatus 2 independences, gain compensation computing, export to central controller 3, pre-alarm fault judge module 31 in central controller 3 is according to default current value and the real-time current value contrast collecting, if real-time current higher than preset value, starts pre-alarming device 32 and carries out sound and light alarm; Whether fault verification and circuit protection module 33 there is the faults such as short circuit, open circuit according to the signal judging circuit of signal processing apparatus 2 transmission; if break down; starting pre-alarming device 32 reports to the police; start-up circuit protection system is to carrying out circuit protection by electric line simultaneously; field monitoring personnel can close warning by the hand-reset button on pre-alarming device 32, fix a breakdown.Alarm output device 5 also can be transferred to real time fail signal man-machine picture, and whether artificial decision takes corresponding failure eliminating measure.
Leakage current display device 4 can show real-time current value, and as warning system erroneous judgement, on-site supervision personnel also can be by real-time current value artificial judgment fault, thereby directly fixes a breakdown.
The above is preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (6)
1. intelligent alarm is surveyed in integral type electric leakage, it is characterized in that, comprising:
Be located at the zero sequence current mutual inductor in electric line, for gathering the real-time current value of circuit;
The central controller being connected with described zero sequence current mutual inductor output terminal, for judging transducer signal, and sends command adapted thereto;
Described central controller comprises pre-alarm fault judge module, for the electric current contrast with default, and judges whether to need to report to the police;
Described central controller also comprises pre-alarming device, for reporting to the police after the alerting signal receiving pre-alarm fault judging circuit;
Described central controller also comprises fault verification and circuit protection module, for detection of with line fault and according to emergency protection electric line.
2. intelligent alarm is surveyed in integral type electric leakage according to claim 1, it is characterized in that:
The output terminal of described zero sequence current mutual inductor connects a signal processing apparatus, for the output signal of zero sequence current mutual inductor is carried out, after independence, gain compensation computing, exports, and the output terminal of signal processing apparatus connects described central controller.
3. intelligent alarm is surveyed in integral type electric leakage according to claim 1, it is characterized in that:
The output terminal of described central controller connects a leakage current display device, for showing the real-time current value by electric line.
4. intelligent alarm is surveyed in integral type electric leakage according to claim 1, it is characterized in that:
Described central controller also comprises alarm output device, and for fault-signal being transferred to man-machine picture, whether artificial decision takes corresponding measure to fault.
5. intelligent alarm is surveyed in integral type electric leakage according to claim 1, it is characterized in that:
Described central controller is STC12C5630AD single-chip microcomputer.
6. intelligent alarm is surveyed in integral type electric leakage according to claim 1, it is characterized in that:
Described pre-alarming device includes pre-alarm relay and the hand-reset button being serially connected with on central controller input end and central controller output loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420046594.5U CN203929951U (en) | 2014-01-25 | 2014-01-25 | Intelligent alarm is surveyed in integral type electric leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420046594.5U CN203929951U (en) | 2014-01-25 | 2014-01-25 | Intelligent alarm is surveyed in integral type electric leakage |
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| Publication Number | Publication Date |
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| CN203929951U true CN203929951U (en) | 2014-11-05 |
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| CN201420046594.5U Expired - Fee Related CN203929951U (en) | 2014-01-25 | 2014-01-25 | Intelligent alarm is surveyed in integral type electric leakage |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405311A (en) * | 2016-12-08 | 2017-02-15 | 国家电网公司 | Remote electric leakage fault alarming device for transformer substation |
| CN106707082A (en) * | 2016-11-29 | 2017-05-24 | 浙江方大智控科技有限公司 | Electric leakage monitoring and alarming method and system |
| CN108051694A (en) * | 2018-01-16 | 2018-05-18 | 欧朗电子科技有限公司 | Smart home production hand iron electric leakage real-time detection warning device |
| CN113219366A (en) * | 2021-04-19 | 2021-08-06 | 国网江苏省电力有限公司检修分公司 | Method for monitoring leakage of related alternating current secondary circuit of synchronous phase modulator |
| CN113219366B (en) * | 2021-04-19 | 2024-05-03 | 国网江苏省电力有限公司检修分公司 | Method for monitoring leakage of related alternating current secondary circuit of synchronous phase-change modulator |
-
2014
- 2014-01-25 CN CN201420046594.5U patent/CN203929951U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707082A (en) * | 2016-11-29 | 2017-05-24 | 浙江方大智控科技有限公司 | Electric leakage monitoring and alarming method and system |
| CN106405311A (en) * | 2016-12-08 | 2017-02-15 | 国家电网公司 | Remote electric leakage fault alarming device for transformer substation |
| CN108051694A (en) * | 2018-01-16 | 2018-05-18 | 欧朗电子科技有限公司 | Smart home production hand iron electric leakage real-time detection warning device |
| CN113219366A (en) * | 2021-04-19 | 2021-08-06 | 国网江苏省电力有限公司检修分公司 | Method for monitoring leakage of related alternating current secondary circuit of synchronous phase modulator |
| CN113219366B (en) * | 2021-04-19 | 2024-05-03 | 国网江苏省电力有限公司检修分公司 | Method for monitoring leakage of related alternating current secondary circuit of synchronous phase-change modulator |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20170125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |