CN102213734B - Phase-missing remote alarm for distribution transformer - Google Patents
Phase-missing remote alarm for distribution transformer Download PDFInfo
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- CN102213734B CN102213734B CN 201010162711 CN201010162711A CN102213734B CN 102213734 B CN102213734 B CN 102213734B CN 201010162711 CN201010162711 CN 201010162711 CN 201010162711 A CN201010162711 A CN 201010162711A CN 102213734 B CN102213734 B CN 102213734B
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Abstract
The invention relates to a phase-missing remote alarm for a distribution transformer, comprising a signal acquisition circuit, a signal judgment circuit and a wireless alarm transmission circuit; the signal acquisition circuit is connected with the signal judgment circuit which is connected with the wireless alarm transmission circuit; when the running distribution transformer generates phase loss of a certain phase of fuse, due to melt fusing or other reasons, an induction electrode A induces no power, and a G electrode of a junction field effect thyristor V1 is not electrified so that the resistance between an S electrode and a D electrode of the junction-type field effect thyristor V1 is very little; a circuit is switched on so that a normally open contact of a solid-state relay (SSR) is closed to immediately transmit a phase-missing signal to the wireless alarm transmission circuit for remote alarming; the phase-missing signal is transmitted to a mobilephone of an operator on duty; the operator on duty goes to the site in the first time for processing as soon as acquiring the alarming situation; and therefore the time for processing electrical equipment malfunction is shortened, the power supply reliability is improved, and enterprise and social benefits are increased.
Description
Technical field
The present invention relates to a kind of substation transformer open-phase remote warner in service, is a kind ofly to be applied to power distribution network supply transformer when operation and to carry out a distant place when melt fusing of high and low pressure fuse occurs and report to the police.
Background technology
At present, along with the industrial and agricultural production great development, national economy improves rapidly, and living standards of the people constantly promote, and power industry is also developed on an unprecedented scale, and the nationwide integrated power grid construction is maked rapid progress.The electric power of electrical network is delivered to huge numbers of families after by the substation transformer transformation, the substation transformer of current operation, and following 400V distribution system, because can not Real Time Monitoring, basically be out of order, carry out overhaul of the equipments by the user notification maintainer, fault handling time of dragging is long, large on user's impact that has a power failure, so power supply reliability is low like this, the device damage rate is high, can not satisfy the requirement that living standards of the people improve constantly, use the phase remote alarm technique if popularize in an all-round way, when the transformer phase failure accident occurs, maintainer's very first time can in time rush to repair to the scene, shorten the accident treatment time, improve delivery, increase enterprise and social benefit.Active promoting function is also played in development to the distribution system intellectualized technology simultaneously.
Summary of the invention
Phase-missing remote alarm for distribution transformer comprises signal acquisition circuit, signal judging circuit, wireless alarming emissioning circuit; Described signal acquisition circuit connects described signal judging circuit, and signal judging circuit connects described wireless alarming emissioning circuit.
Described signals collecting, decision circuitry comprise an induction electrode, a junction field thyristor, a potentiometer, a resistor, a solid-state relay; Described solid-state relay has four terminations, is respectively 1,2,3,4, and described junction field thyristor has three utmost points, is respectively D, S, G; Described induction electrode connects the described junction field thyristor G utmost point, the described junction field thyristor S utmost point connects described potentiometer one end, the described field effect thyristor D utmost point connects described solid-state relay 1 termination, described potentiometer in addition two ends connects positive source, described solid-state relay 2 terminations connect described resistance one end, described solid-state relay 3,4 terminations are output signal, and the described resistance other end connects power cathode.
Described wireless alarming emissioning circuit comprises signal input circuit, coding circuit, radiating circuit; Described signal input circuit is connected with described signal judging circuit, and described signal input circuit output connects described coding circuit, and coding circuit connects described radiating circuit.
This phase-missing remote alarm for distribution transformer is to utilize advanced electronic technology, develop a kind of for substation transformer phase remote alarming and managing in service, the relative prior art of the present invention has outstanding substantive distinguishing features and significant progressive, specifically, this phase-missing remote alarm for distribution transformer technical progress, reasonable in design, desirable realization substation transformer phase shortage alarming and managing in service, will play positive guarantee effect for electric power netting safe running, the concrete advantage of this substation transformer open-phase remote warner in service:
Substation transformer of the present invention open-phase remote warner in service, when the transformer phase failure accident occured, maintainer's very first time can in time rush to repair to the scene, shortened the accident treatment time, improved delivery, increased enterprise and social benefit.Positive facilitation is also played in development to the distribution system intellectualized technology simultaneously.
Strengthen the safe operation management of power distribution network, greatly improved power supply reliability, promoted the effect of the safety management integral level of power distribution network.
Description of drawings
Fig. 1 is phase-missing remote alarm for distribution transformer block diagram of the present invention;
Fig. 2 is signals collecting of the present invention, decision circuitry wiring diagram;
Fig. 3 is wireless alarming emissioning circuit block diagram of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is phase-missing remote alarm for distribution transformer block diagram of the present invention, comprises signal acquisition circuit 1, signal judging circuit 2, wireless alarming emissioning circuit 3; Described signal acquisition circuit connects described signal judging circuit, and signal judging circuit connects described wireless alarming emissioning circuit.
Phase failure alarm is installed in respectively the high and low side fuse load-side of substation transformer, when the melt of a certain phase fuse fuses, the signals collecting decision circuitry, immediately this default phase signal is passed to wireless alarming emissioning circuit, carrying out a distant place reports to the police, this signal is delivered on operator on duty's the mobile phone, the operator on duty obtain alarm condition at once the very first time change to the scene, power outage obtains processing immediately.
Fig. 2 is signals collecting of the present invention, decision circuitry wiring diagram, and described signals collecting, decision circuitry comprise an induction electrode A, a junction field thyristor V1, a potentiometer RP, a resistor R, a solid-state relay SSR; Described solid-state relay has four terminations, is respectively 1,2,3,4, and described junction field thyristor has three utmost points, is respectively D, S, G; Described induction electrode connects the described junction field thyristor G utmost point, the described junction field thyristor S utmost point connects described potentiometer one end, the described field effect thyristor D utmost point connects described solid-state relay 1 termination, described potentiometer in addition two ends connects positive source, described solid-state relay 2 terminations connect described resistance one end, described solid-state relay 3,4 terminations are output signal, and the described resistance other end connects power cathode.
During normal substation transformer operation, induction electrode A induction has electricity, and the G utmost point of junction field thyristor V1 has electricity, makes between the S, the D utmost point of junction field thyristor V1 resistance very large and block, circuit can not conducting, makes the normally opened contact of solid-state relay SSR at open position.
The melt fusing of a certain phase fuse occurs when the substation transformer of operation, induction electrode A induction does not have electricity, the G utmost point of junction field thyristor V1 does not have electricity, make between the S, the D utmost point of junction field thyristor V1 resistance very little, circuit turn-on, make the normally opened contact of solid-state relay SSR in make-position, immediately this default phase signal is passed to wireless alarming emissioning circuit, carrying out a distant place reports to the police, this signal is delivered on operator on duty's the mobile phone, the operator on duty obtains alarm condition, and the very first time is carried out the power outage processing to the scene at once.
Fig. 3 is wireless alarming emissioning circuit block diagram of the present invention, and described wireless alarming emissioning circuit comprises signal input circuit 31, coding circuit 32, radiating circuit 33; Described signal input circuit is connected with described signal judging circuit, and described signal input circuit output connects described coding circuit, and coding circuit connects described radiating circuit.
Wireless alarming emissioning circuit can adopt mobile module, also can adopt radio transmitter.
The melt fusing of a certain phase fuse occurs when the substation transformer of operation, induction electrode A induction does not have electricity, the G utmost point of junction field thyristor V1 does not have electricity, make between the S, the D utmost point of junction field thyristor V1 resistance very little, circuit turn-on, make the normally opened contact of solid-state relay SSR in make-position, immediately this default phase signal is passed to wireless alarming emissioning circuit, carrying out a distant place reports to the police, this signal is delivered on operator on duty's the mobile phone, the operator on duty obtains alarm condition and carries out the power outage processing at once.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (2)
1. a phase-missing remote alarm for distribution transformer is characterized in that: comprise signal acquisition circuit, signal judging circuit, wireless alarming emissioning circuit; Described signal acquisition circuit connects described signal judging circuit, and signal judging circuit connects described wireless alarming emissioning circuit;
Described signals collecting, decision circuitry comprise an induction electrode, a junction field thyristor, a potentiometer, a resistor, a solid-state relay; Described solid-state relay has four terminations, is respectively 1,2,3,4, and described junction field thyristor has three utmost points, is respectively D, S, G; Described induction electrode connects the described junction field thyristor G utmost point, the described junction field thyristor S utmost point connects described potentiometer one end, the described field effect thyristor D utmost point connects described solid-state relay 1 termination, described potentiometer in addition two ends connects positive source, described solid-state relay 2 terminations connect described resistance one end, described solid-state relay 3,4 terminations are output signal, and the described resistance other end connects power cathode.
2. phase-missing remote alarm for distribution transformer as claimed in claim 1, it is characterized in that: described wireless alarming emissioning circuit comprises signal input circuit, coding circuit, radiating circuit; Described signal input circuit is connected with described signal judging circuit, and described signal input circuit output connects described coding circuit, and coding circuit connects described radiating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010162711 CN102213734B (en) | 2010-04-06 | 2010-04-06 | Phase-missing remote alarm for distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010162711 CN102213734B (en) | 2010-04-06 | 2010-04-06 | Phase-missing remote alarm for distribution transformer |
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| Publication Number | Publication Date |
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| CN102213734A CN102213734A (en) | 2011-10-12 |
| CN102213734B true CN102213734B (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010162711 Expired - Fee Related CN102213734B (en) | 2010-04-06 | 2010-04-06 | Phase-missing remote alarm for distribution transformer |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102298098A (en) * | 2010-06-24 | 2011-12-28 | 陈家斌 | Intelligent remote phase-missing alarm device for distribution transformer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000074972A (en) * | 1998-08-31 | 2000-03-14 | Miwa Electric Co Ltd | Method for detecting open phase of neutral conductor at distribution line of single-phase three-wire system, and detector used therein |
| CN200989933Y (en) * | 2006-06-27 | 2007-12-12 | 叶金海 | Electric line antitheft alarming device |
| CN101256211A (en) * | 2008-03-31 | 2008-09-03 | 刘仁臣 | Transformer multifunctional monitoring system |
| CN201138498Y (en) * | 2008-01-08 | 2008-10-22 | 武汉大学 | Theft-resisting early alarming apparatus of distributing transformer based on GSM technique |
| CN201413981Y (en) * | 2009-05-20 | 2010-02-24 | 吴明 | Protective device of power supply equipment in communication base station |
| CN201716372U (en) * | 2010-04-06 | 2011-01-19 | 陈家斌 | High and low voltage default phase alarm of distribution transformer |
-
2010
- 2010-04-06 CN CN 201010162711 patent/CN102213734B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000074972A (en) * | 1998-08-31 | 2000-03-14 | Miwa Electric Co Ltd | Method for detecting open phase of neutral conductor at distribution line of single-phase three-wire system, and detector used therein |
| CN200989933Y (en) * | 2006-06-27 | 2007-12-12 | 叶金海 | Electric line antitheft alarming device |
| CN201138498Y (en) * | 2008-01-08 | 2008-10-22 | 武汉大学 | Theft-resisting early alarming apparatus of distributing transformer based on GSM technique |
| CN101256211A (en) * | 2008-03-31 | 2008-09-03 | 刘仁臣 | Transformer multifunctional monitoring system |
| CN201413981Y (en) * | 2009-05-20 | 2010-02-24 | 吴明 | Protective device of power supply equipment in communication base station |
| CN201716372U (en) * | 2010-04-06 | 2011-01-19 | 陈家斌 | High and low voltage default phase alarm of distribution transformer |
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| CN102213734A (en) | 2011-10-12 |
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