CN201716372U - High and low voltage default phase alarm of distribution transformer - Google Patents
High and low voltage default phase alarm of distribution transformer Download PDFInfo
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- CN201716372U CN201716372U CN2010201761187U CN201020176118U CN201716372U CN 201716372 U CN201716372 U CN 201716372U CN 2010201761187 U CN2010201761187 U CN 2010201761187U CN 201020176118 U CN201020176118 U CN 201020176118U CN 201716372 U CN201716372 U CN 201716372U
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Abstract
The utility model relates to a high and low voltage default phase alarm of a distribution transformer, which comprises a signal acquisition circuit, a signal judgment circuit and a wireless alarming transmission circuit, wherein the signal acquisition circuit is connected with the signal judgment circuit, and the signal judgment circuit is connected with the wireless alarming transmission circuit. When the running distribution transformer generates the melt fusing of a certain fuse or the phase failure caused by other reasons, an induction electrode A induces no electricity, and the G (Grid) electrode of a junction-type field effect thyristor V1 is not electrified so that the resistance between the S (Source) electrode and the D (Drain) electrode of the junction-type field effect thyristor V1 is very small, and the circuits are conducted to make the normally open contact of a solid-state relay (SSR) closed, and at the time, a default phase signal is immediately transmitted to the wireless alarming transmission circuit to carry out the remote alarming; the signal is transmitted to the mobile phone of an operator on duty, and then the operator on duty carries out the power cut trouble removal at once after obtaining the alarming condition, and thereby, the electrical equipment fault treatment time is shortened, the power supply reliability is enhanced and the enterprise profits and the social benefits are increased.
Description
Technical field
The present invention relates to a kind of substation transformer high and low pressure phase failure alarm in service, be a kind of be applied to power distribution network supply transformer when operation when the melt fusing of high and low pressure fuse takes place or the other reasons phase failure carry out a distant place 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, owing to can not monitor in real time, basically be out of order, carry out overhaul of the equipments by the user notification maintainer, fault handling time of dragging is long, big to user's influence that has a power failure, so power supply reliability is low like this, device damage rate height, can not satisfy the requirement that living standards of the people improve constantly, if can popularize in an all-round way and use phase shortage distant place alarm technique, when transformer phase shortage accident takes place, 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
The invention provides a kind of substation transformer high and low pressure phase failure alarm, when the melt fusing of high and low pressure fuse takes place when transformer moves or other reasons cause the phase failure, then can carry out a distant place and report to the police, improved the reliability of power supply greatly.
Substation transformer high and low pressure phase failure alarm 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 two ends in addition 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 substation transformer high and low pressure phase failure alarm is to utilize advanced electronic technology, develop a kind of substation transformer phase shortage alarming and managing in service that is used for, the relative prior art of the present invention has outstanding substantive distinguishing features and obvious improvement, specifically, this substation transformer high and low pressure phase failure alarm technical progress, reasonable in design, desirable realization substation transformer high and low pressure phase shortage in service alarming and managing, will play positive guarantee effect for electric power netting safe running, the concrete advantage of this substation transformer high and low pressure phase failure alarm in service:
Substation transformer of the present invention high and low pressure phase failure alarm in service, when transformer overcurrent, phase shortage accident took place, 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, improved the reliability of power supply greatly, promoted the effect of the safety management integral level of power distribution network.
Description of drawings
Fig. 1 is a substation transformer high and low pressure phase failure alarm block diagram of the present invention;
Fig. 2 is signals collecting of the present invention, decision circuitry wiring diagram;
Fig. 3 is a 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 a substation transformer high and low pressure phase failure alarm 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 the high and low side fuse load-side of substation transformer respectively, when a certain melt fusing or the other reasons phase failure that fuse takes place mutually, 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 obtains alarm condition, and the very first time is carried out the power outage processing to the scene at once.
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 two ends in addition 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.
When normal substation transformer moves, 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 big and block, circuit can not conducting, and the normally opened contact that makes solid-state relay SSR is at open position.
The melt fusing or the other reasons phase failure of a certain phase fuse take place when the substation transformer of operation, induction electrode A induction does not have, the G utmost point of junction field thyristor V1 does not have, make between the S, the D utmost point of junction field thyristor V1 resistance very little, circuit turn-on, the normally opened contact that makes solid-state relay SSR is 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 a 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 or the other reasons phase failure of a certain phase fuse take place when the substation transformer of operation, induction electrode A induction does not have, the G utmost point of junction field thyristor V1 does not have, make between the S, the D utmost point of junction field thyristor V1 resistance very little, circuit turn-on, the normally opened contact that makes solid-state relay SSR is 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 (3)
1. a substation transformer high and low pressure phase failure alarm 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.
2. the described substation transformer high and low pressure of claim 1 phase failure alarm, it is characterized in that: 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 two ends in addition 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.
3. the described substation transformer high and low pressure of claim 1 phase failure alarm, 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 |
|---|---|---|---|
| CN2010201761187U CN201716372U (en) | 2010-04-06 | 2010-04-06 | High and low voltage default phase alarm of distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201761187U CN201716372U (en) | 2010-04-06 | 2010-04-06 | High and low voltage default phase alarm of distribution transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201716372U true CN201716372U (en) | 2011-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201761187U Expired - Lifetime CN201716372U (en) | 2010-04-06 | 2010-04-06 | High and low voltage default phase alarm of distribution transformer |
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| Country | Link |
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| CN (1) | CN201716372U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213734A (en) * | 2010-04-06 | 2011-10-12 | 陈家斌 | Phase-missing remote alarm for distribution transformer |
-
2010
- 2010-04-06 CN CN2010201761187U patent/CN201716372U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213734A (en) * | 2010-04-06 | 2011-10-12 | 陈家斌 | Phase-missing remote alarm for distribution transformer |
| CN102213734B (en) * | 2010-04-06 | 2013-04-03 | 陈家斌 | Phase-missing remote alarm for distribution transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110119 Effective date of abandoning: 20130403 |
|
| RGAV | Abandon patent right to avoid regrant |