CN201654116U - High-low voltage overcurrent and open-phase remote warner of distribution transformer - Google Patents
High-low voltage overcurrent and open-phase remote warner of distribution transformer Download PDFInfo
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- CN201654116U CN201654116U CN2010201761064U CN201020176106U CN201654116U CN 201654116 U CN201654116 U CN 201654116U CN 2010201761064 U CN2010201761064 U CN 2010201761064U CN 201020176106 U CN201020176106 U CN 201020176106U CN 201654116 U CN201654116 U CN 201654116U
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Abstract
The utility model provides a high-low voltage overcurrent and open-phase remote warner of a distribution transformer, which comprises a signal acquisition circuit, a signal judgment circuit and a wireless warning transmitting circuit; the signal acquisition circuit is connected with the signal judgment circuit; the signal judgment circuit is connected with the wireless warning transmitting circuit; when the overcurrent, or open phase caused by the fusing of a fuse element of a fuse with certain phase or other reasons of the operating distribution transformer occurs, the current relay operates, and the overcurrent and open-phase signals are immediately transmitted to a wireless warning transmitting circuit for remote warning; furthermore, when the signals are transmitted to a mobile phone of an operator on duty, the operator arrives at the site for handling immediately after obtaining warning, so that the fault treatment time of the electrical equipment 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 high-low pressure overcurrent in service, phase shortage distant place alarm, be a kind of be applied to power distribution network supply transformer when operation when the melt fusing of high-low pressure overcurrent, 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 like this, the user is had a power failure influence greatly, therefore power supply reliability is low, device damage rate height, the requirement that living standards of the people improve constantly can not be satisfied, the application overcurrent if can be popularized in an all-round way, phase shortage distant place alarm technique is when the transformer overcurrent takes place, during the phase shortage accident, 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.Positive facilitation is also played in development to the distribution system intellectualized technology simultaneously.
Summary of the invention
Substation transformer high-low pressure overcurrent, phase shortage distant place alarm 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 a current transformer, a current relay; Described electric current mutual inductance has four terminations, is respectively 1,2,3,4; Described current transformer 1,2 terminations connect power supply, and described current transformer 3 terminations connect described current relay coil one termination, and described current transformer 4 terminations connect ground connection behind another termination of described current relay coil.
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-low pressure overcurrent, phase shortage distant place alarm is to utilize advanced electronic technology, develop a kind of substation transformer overcurrent in service that is used for, the phase shortage alarming and managing, the relative prior art of the present invention has outstanding substantive distinguishing features and obvious improvement, specifically, this substation transformer high-low pressure overcurrent, the alarm technical progress of a phase shortage distant place, reasonable in design, desirable realization substation transformer high-low pressure overcurrent in service, the phase shortage alarming and managing, will play positive guarantee effect for electric power netting safe running, this substation transformer high-low pressure overcurrent in service, the concrete advantage of phase failure alarm:
Substation transformer of the present invention high-low pressure overcurrent in service, phase shortage distant place alarm, during for substation transformer generation high-low pressure in service overcurrent, phase shortage accident, 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.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 substation transformer high-low pressure overcurrent of the present invention, phase shortage distant place alarm block diagram;
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 substation transformer high-low pressure overcurrent of the present invention, phase shortage distant place alarm block diagram, 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.
Signal acquisition circuit, signal judging circuit is installed in the high and low side of substation transformer respectively, when a certain side generation overcurrent or the phase failure, the signals collecting decision circuitry, immediately this signal is passed to wireless alarming emissioning circuit, carry out a distant place and report 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 handles 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 a current transformer, a current relay; Described electric current mutual inductance has four terminations, is respectively 1,2,3,4; Described current transformer 1,2 terminations connect power supply, and described current transformer 3 terminations connect described current relay coil one termination, and described current transformer 4 terminations connect ground connection behind another termination of described current relay coil.
Substation transformer generation overcurrent when operation, the adhesive of current relay action normally opened contact, immediately this over-current 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 handles to the scene at once.
The melt fusing or the other reasons phase failure of a certain phase fuse take place when the substation transformer of operation, current relay outage action normally closed contact closure, 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 handles 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 when substation transformer generation overcurrent that moves or a certain phase fuse, the current relay action, immediately this overcurrent, default phase signal are 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 handles to the scene 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-low pressure overcurrent, phase shortage distant place 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-low pressure of claim 1 overcurrent, phase shortage distant place alarm, it is characterized in that: described signals collecting, decision circuitry comprise a current transformer, a current relay; Described electric current mutual inductance has four terminations, is respectively 1,2,3,4; Described current transformer 1,2 terminations connect power supply, and described current transformer 3 terminations connect described current relay coil one termination, and described current transformer 4 terminations connect ground connection behind another termination of described current relay coil.
3. the described substation transformer high-low pressure of claim 1 overcurrent, phase shortage distant place 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 |
|---|---|---|---|
| CN2010201761064U CN201654116U (en) | 2010-04-06 | 2010-04-06 | High-low voltage overcurrent and open-phase remote warner of distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201761064U CN201654116U (en) | 2010-04-06 | 2010-04-06 | High-low voltage overcurrent and open-phase remote warner of distribution transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201654116U true CN201654116U (en) | 2010-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201761064U Expired - Fee Related CN201654116U (en) | 2010-04-06 | 2010-04-06 | High-low voltage overcurrent and open-phase remote warner of distribution transformer |
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| Country | Link |
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| CN (1) | CN201654116U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122842A (en) * | 2011-02-07 | 2011-07-13 | 陈家斌 | Abnormal operation remote alarm device for distribution transformer distribution room equipment |
-
2010
- 2010-04-06 CN CN2010201761064U patent/CN201654116U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122842A (en) * | 2011-02-07 | 2011-07-13 | 陈家斌 | Abnormal operation remote alarm device for distribution transformer distribution room equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20110406 |