CN203179221U - Transformer high/low voltage fuse burn-out remote alarm device - Google Patents
Transformer high/low voltage fuse burn-out remote alarm device Download PDFInfo
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- CN203179221U CN203179221U CN 201320078618 CN201320078618U CN203179221U CN 203179221 U CN203179221 U CN 203179221U CN 201320078618 CN201320078618 CN 201320078618 CN 201320078618 U CN201320078618 U CN 201320078618U CN 203179221 U CN203179221 U CN 203179221U
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Abstract
The utility model discloses a transformer high/low voltage fuse burn-out remote alarm device, comprising a transformer high/low voltage fuse burn-out signal acquisition circuit, a signal data judgement circuit, a remote communication circuit, and a power supply circuit; wherein the transformer high/low voltage fuse burn-out signal acquisition circuit is connected with the signal data judgement circuit, the signal data judgement circuit is connected with the remote communication circuit; the power supply circuit is connected with the signal data judgement circuit and the remote communication circuit; the transformer high/low voltage fuse burn-out signal acquisition circuit acquires a three-phase voltage signal of a low voltage side of a transformer, and transmits the signal to the signal data judgement circuit, the signal data judgement circuit is connected with the remote communication circuit, and the communication circuit is connected with a distribution network power supply management center circuit. Application of the transformer high/low voltage fuse burn-out remote alarm device of the utility model can greatly shorten fault maintenance time of high/low voltage fuse burn-out during the operation of the transformer, thereby reducing labor intensity of staff, and raising power supply reliability.
Description
Technical field
The utility model relates to a kind of transformer high and low pressure fuse failure in service distant place warning device, is a kind ofly to be applied to power distribution network supply transformer when operation when the melt fusing of high and low pressure fuse takes place or other reasons produces the phase failure and carries 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 the substation transformer height, when the melt of low-tension fuse fuses, by the user notification maintainer, after the maintainer has notice, arrive device context and check the trouble spot, needed material again goes back after inspection is out of order to prepare, returning device context overhauls, 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 height takes place when using the transformer operation, the melt fusing of transformer fuse when taking place in the melt fusing distant place alarm technique of low-tension fuse, 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
Above-mentioned defective at the prior art existence, the purpose of this utility model is to provide a kind of transformer high and low pressure fuse failure in service corrective maintenance time that shortens, reduce worker's labour intensity, improve the transformer high and low pressure fuse failure distant place warning device of power supply reliability.
The purpose of this utility model is to realize by following technical scheme:
A kind of transformer high and low pressure fuse failure distant place warning device is characterized in that: comprise transformer high and low pressure fuse failure signal acquisition circuit, signal data decision circuitry, distant place telecommunication circuit and power circuit; Described transformer high and low pressure fuse failure signal acquisition circuit connects described signal data decision circuitry, and the signal data decision circuitry connects described distant place telecommunication circuit; Described power circuit connects described signal data decision circuitry, distant place telecommunication circuit; Described transformer high and low pressure fuse failure signal acquisition circuit is to gather three-phase voltage signal from this step down side, described signal data decision circuitry is given in transmission, the signal data decision circuitry connects described distant place telecommunication circuit, and telecommunication circuit connects distribution power supply management central circuit.
Described power circuit comprises 3 rectifier power sources and 3 diodes; Described rectifier power source has two input ends, and two output terminals divide anodal, negative pole; The three-phase that described rectifier power source input end connects AC power respectively and N be electricity mutually, and negative pole of output end connects described diode cathode, positive terminal ground connection; Described diode cathode connects power cathode one end that connects signal data decision circuitry, distant place telecommunication circuit, the anodal termination ground connection of signal data decision circuitry, distant place telecommunication circuit power supply.
Described signal data decision circuitry comprises A/D translation circuit, signal judging circuit and executive circuit; Described transformer high and low pressure fuse failure signal acquisition circuit is to gather three-phase voltage signal from step down side, A/D is given in transmission translation circuit, the A/D translation circuit connects described signal judging circuit, signal judging circuit connects described executive circuit, and executive circuit connects described distant place telecommunication circuit.
Described telecommunication circuit has two kinds, is respectively the optical fiber communication circuit, radio communication circuit; Wherein, described optical fiber communication circuit comprises optical fibre communication cable, the fiber optic circuit; Described fiber optic circuit comprises optical transmission circuit, optical receiving circuit; Described optical fibre communication cable one end connects the optical transmission circuit of described fiber optic circuit, described optical transmission circuit connects the executive circuit of described signal data decision circuitry, the optical receiving circuit of the described fiber optic circuit of the optical fibre communication cable other end, described optical receiving circuit connect distribution power supply management central circuit;
Described radio communication circuit comprises radio transmitter, wireless receiving circuit; Described radio transmitter connects the executive circuit of described signal data decision circuitry, described wireless receiving circuit connects distribution power supply management center, and radio transmitter is transmitted into abnormal signal on the receiving circuit at distribution power supply management center or operator on duty's the mobile phone; Wherein, described signal transmission circuit comprises signal input circuit, coding circuit, radiating circuit; Described signal input circuit is connected with the executive circuit of described signal judging circuit, and described signal input circuit output connects described coding circuit, and coding circuit connects described radiating circuit.
This transformer height in service, low-tension fuse fusing distant place warning device is to utilize advanced electronic technology, develop a kind of for 10 ~ 20kV transformer height in service, low-tension fuse fusing distant place alarming and managing, specifically, this 10 ~ 20kV transformer height in service, low-tension fuse fusing distant place alarm technique progress, reasonable in design, desirable realization 10 ~ 20kV transformer height in service, low-tension fuse fusing distant place alarming and managing, will play positive guarantee effect for electric power netting safe running, this 10 ~ 20kV transformer height in service, the concrete advantage of low-tension fuse fusing distant place warning device:
1, this 10 ~ 20kV transformer high and low pressure fuse failure in service distant place warning device will play very big promotion to the power distribution system equipment safety and economic operation, and crucial effects is played in technical development to the electrical network intelligent management;
2, application of the present utility model will be shortened transformer high and low pressure fuse failure in service trouble shooting time greatly, reduce worker's labour intensity, reduce unsafe factor, improve power supply reliability, reduce the loss that do not have, increase delivery, improve enterprise and social benefit;
3, trouble shooting time is shortened in application of the present utility model, increases user satisfaction, improves society of power supply enterprise credit worthiness.
Description of drawings
Fig. 1 is the utility model transformer high and low pressure fuse failure distant place warning device block diagram.
Fig. 2 is the utility model power circuit wiring diagram.
Fig. 3 is the utility model signal data decision circuitry block diagram.
Fig. 4 is optical fiber communication circuit composition frame chart described in the utility model.
Fig. 5 is radio communication circuit circuit composition frame chart described in the utility model.
Fig. 6 is that the signal transmission circuit of radio communication circuit described in the utility model becomes block diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Fig. 1 is 10 ~ 20kV transformer high and low pressure fuse failure distant place warning device, comprises transformer high and low pressure fuse failure signal acquisition circuit 1, signal data decision circuitry 2, distant place telecommunication circuit 3, power circuit 4; Described transformer high and low pressure fuse failure signal acquisition circuit connects described signal data decision circuitry, and the signal data decision circuitry connects described distant place telecommunication circuit; Described power circuit connects described signal data decision circuitry and distant place telecommunication circuit; Described transformer high and low pressure fuse failure signal acquisition circuit is to gather three-phase voltage signal from step down side, described signal data decision circuitry is given in transmission, the signal data decision circuitry connects described distant place telecommunication circuit, and telecommunication circuit connects distribution power supply management central circuit.
The transformer height, low-tension fuse fusing distant place warning device is installed in the downside of substation transformer, the signals collecting line is connected on the low-tension fuse load-side, when the transformer height, a certain melt fusing or the other reasons phase failure that fuse takes place mutually of low pressure, the signals collecting decision circuitry, immediately this signal is passed to warning circuit, warning circuit is delivered to this signal on distribution power supply management center or operator on duty's the mobile phone, mobile phone distribution power supply management center or operator on duty is quoted the somewhere, the melt fusing of certain number transformer generation high pressure or a certain phase fuse of low pressure, the operator on duty obtains alarm condition, get melt according to transformer capacity, the very first time is carried out accident treatment to the scene at once.
Fig. 2 is the utility model power circuit wiring diagram, and described power circuit comprises 3 rectifier power sources, is respectively Z1, Z2, Z3, and 3 diodes are respectively D1, D2, D3; Described rectifier power source has two input ends, and two output terminals divide anodal, negative pole; Described rectifier power source Z1 input end connects AC power L1, N phase respectively, and negative pole of output end connects described diode D1 positive pole, positive terminal ground connection; Described rectifier power source Z2 input end connects AC power L2, N phase respectively, and negative pole of output end connects described diode D2 positive pole, positive terminal ground connection; Described rectifier power source Z3 input end connects AC power L3, N phase respectively, and negative pole of output end connects described diode D3 positive pole, plus earth; Described diode D1, D2, D3 negative pole connect and connect calculated signals decision circuitry, distant place telecommunication circuit power cathode one end, the anodal termination ground connection of calculated signals decision circuitry, distant place telecommunication circuit power supply.
This power circuit is by 3 rectifier power sources, 3 rectifier power sources connect 3 cross streams power supplys respectively, 3 rectifier power sources are connected in parallel to the device power supply, melt fusing or the other reasons phase failure of a certain phase fuse take place when the transformer of operation, can guarantee the warning circuit operate as normal fully, in time carry out a distant place and report to the police.
Fig. 3 is signal data decision circuitry described in the utility model, comprises A/D translation circuit 31, signal judging circuit 32, executive circuit 33; Described transformer high and low pressure fuse failure signal acquisition circuit is to gather three-phase voltage signal from this step down side, the A/D translation circuit of described signal data decision circuitry is given in transmission, the A/D translation circuit connects described signal judging circuit, signal judging circuit connects described executive circuit, and executive circuit connects described telecommunication circuit.
Described signal data decision circuitry comprises the A/D translation circuit, signal judging circuit, executive circuit; Described transformer high and low pressure fuse failure signal acquisition circuit is to gather three-phase voltage signal from this step down side, the A/D translation circuit of described signal data decision circuitry is given in transmission, the A/D translation circuit connects described signal judging circuit, signal judging circuit connects described executive circuit, and executive circuit connects described distant place telecommunication circuit.
Transformer high and low pressure fuse failure signal acquisition circuit is the phase voltage signal of gathering 3 phases from step down side, be connected to signal data and calculate decision circuitry, the scm software that calculates decision circuitry carries out a phase voltage signal calculating judgement mutually by program, judged result is if 1 phase voltage is normal, 2 phase voltages are lower than below the 150V, are judged as high-voltage wire iron-melting fusing 1 phase; If 2 phase voltages are normal, 1 phase voltage is lower than below the 100V, is judged as low-tension fuse 1 phase that fuses, if 1 phase voltage is normal, 2 phase voltages are lower than below the 100V, is judged as low-tension fuse 2 phases that fuse.
When the melt fusing of a certain phase fuse takes place the transformer of operation, transformer high and low pressure fuse failure signal acquisition circuit collects the fusing signal and is connected to signal data and calculates decision circuitry and calculate judgement, judges the result and passes to device and carry out a distant place and report to the police.In the melt fusing that distribution power supply management center or operator on duty's mobile phone is quoted somewhere, certain number transformer generation high pressure or a certain phase fuse of low pressure, the operator on duty gets melt according to transformer capacity, changes to the transformer scene at once.
Fig. 4 is optical fiber communication circuit composition frame chart described in the utility model, and the optical fiber communication circuit comprises optical fibre communication cable 42, optical receiving circuit 43, optical transmission circuit 41; Described optical fibre communication cable one end connects the optical transmission circuit of described fiber optic circuit, described optical transmission circuit connects the executive circuit of described signal data decision circuitry, the optical receiving circuit of the described fiber optic circuit of the optical fibre communication cable other end, described optical receiving circuit connect distribution power supply management central circuit.
If after judging transformer high and low pressure fuse failure signal, the executive circuit of signal judging circuit connects the optical transmission circuit of telecommunication circuit, optical transmission circuit is transformed to light signal with power cut signal, transmits the optical receiving circuit at distribution power supply management center by optical fibre communication cable and reports to the police.
Fig. 5 is radio communication circuit composition frame chart described in the utility model, and described radio communication circuit comprises radio transmitter 51, wireless receiving circuit 52; Described radio transmitter connects the executive circuit of described signal data decision circuitry, radio transmitter is transmitted to the wireless receiving circuit at distribution power supply management center, radio transmitter is transmitted into signal on the receiving circuit at distribution power supply management center or operator on duty's the mobile phone, reports to the police.
Fig. 6 is that the signal transmission circuit of radio communication circuit described in the utility model becomes block diagram, and described signal transmission circuit comprises signal input circuit, coding circuit, radiating circuit; Described signal input circuit is connected with the executive circuit of described signal judging circuit, described signal input circuit output connects described coding circuit, coding circuit connects described radiating circuit, and radiating circuit transmits signal on distribution power supply management center or operator on duty's the mobile phone.
Wireless alarming emissioning circuit can adopt mobile module, also can adopt radio transmitter.
Melt fusing or the other reasons phase failure of a certain phase fuse take place when the substation transformer of operation, immediately this signal is passed to wireless alarming emissioning circuit, this signal is delivered on operator on duty's the mobile phone, the operator on duty obtains alarm condition and carries out accident treatment at once.
Should be noted that at last: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although with reference to preferred embodiment the utility model 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 embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (4)
1. a transformer high and low pressure fuse failure distant place warning device is characterized in that: comprise transformer high and low pressure fuse failure signal acquisition circuit, signal data decision circuitry, distant place telecommunication circuit and power circuit; Described transformer high and low pressure fuse failure signal acquisition circuit connects described signal data decision circuitry, and the signal data decision circuitry connects described distant place telecommunication circuit; Described power circuit connects described signal data decision circuitry, distant place telecommunication circuit; Described transformer high and low pressure fuse failure signal acquisition circuit is to gather three-phase voltage signal from this step down side, described signal data decision circuitry is given in transmission, the signal data decision circuitry connects described distant place telecommunication circuit, and telecommunication circuit connects distribution power supply management central circuit.
2. transformer high and low pressure fuse failure as claimed in claim 1 distant place warning device, it is characterized in that: described power circuit comprises 3 rectifier power sources and 3 diodes; Described rectifier power source has two input ends, and two output terminals divide anodal, negative pole; The three-phase that described rectifier power source input end connects AC power respectively and N be electricity mutually, and negative pole of output end connects described diode cathode, positive terminal ground connection; Described diode cathode connects power cathode one end that connects signal data decision circuitry, distant place telecommunication circuit, the anodal termination ground connection of signal data decision circuitry, distant place telecommunication circuit power supply.
3. transformer high and low pressure fuse failure as claimed in claim 1 distant place warning device, it is characterized in that: described signal data decision circuitry comprises A/D translation circuit, signal judging circuit and executive circuit; Described transformer high and low pressure fuse failure signal acquisition circuit is to gather three-phase voltage signal from step down side, A/D is given in transmission translation circuit, the A/D translation circuit connects described signal judging circuit, signal judging circuit connects described executive circuit, and executive circuit connects described distant place telecommunication circuit.
4. transformer high and low pressure fuse failure as claimed in claim 1 distant place warning device, it is characterized in that: described telecommunication circuit has two kinds, is respectively the optical fiber communication circuit, radio communication circuit;
Wherein, described optical fiber communication circuit comprises optical fibre communication cable, the fiber optic circuit; Described fiber optic circuit comprises optical transmission circuit, optical receiving circuit; Described optical fibre communication cable one end connects the optical transmission circuit of described fiber optic circuit, described optical transmission circuit connects the executive circuit of described signal data decision circuitry, the optical receiving circuit of the described fiber optic circuit of the optical fibre communication cable other end, described optical receiving circuit connect distribution power supply management central circuit;
Described radio communication circuit comprises radio transmitter, wireless receiving circuit; Described radio transmitter connects the executive circuit of described signal data decision circuitry, described wireless receiving circuit connects distribution power supply management center, and radio transmitter is transmitted into abnormal signal on the receiving circuit at distribution power supply management center or operator on duty's the mobile phone;
Wherein, described signal transmission circuit comprises signal input circuit, coding circuit, radiating circuit; Described signal input circuit is connected with the executive circuit of 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 201320078618 CN203179221U (en) | 2013-02-20 | 2013-02-20 | Transformer high/low voltage fuse burn-out remote alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320078618 CN203179221U (en) | 2013-02-20 | 2013-02-20 | Transformer high/low voltage fuse burn-out remote alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203179221U true CN203179221U (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320078618 Expired - Fee Related CN203179221U (en) | 2013-02-20 | 2013-02-20 | Transformer high/low voltage fuse burn-out remote alarm device |
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| Country | Link |
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| CN (1) | CN203179221U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529355A (en) * | 2013-10-10 | 2014-01-22 | 江苏上能新特变压器有限公司 | Wireless protection device for high-voltage fuse protector |
| CN104569628A (en) * | 2014-12-30 | 2015-04-29 | 国家电网公司 | Remote alarm device for high voltage phase loss of distribution transformer |
| CN105223643A (en) * | 2015-10-30 | 2016-01-06 | 厦门市和奕华光电科技有限公司 | Optical fiber fusing protection system and method |
| CN108183420A (en) * | 2018-02-26 | 2018-06-19 | 广东炜创电气有限公司 | Combined type distribution ring main unit with fuse cutout monitoring |
-
2013
- 2013-02-20 CN CN 201320078618 patent/CN203179221U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529355A (en) * | 2013-10-10 | 2014-01-22 | 江苏上能新特变压器有限公司 | Wireless protection device for high-voltage fuse protector |
| CN104569628A (en) * | 2014-12-30 | 2015-04-29 | 国家电网公司 | Remote alarm device for high voltage phase loss of distribution transformer |
| CN105223643A (en) * | 2015-10-30 | 2016-01-06 | 厦门市和奕华光电科技有限公司 | Optical fiber fusing protection system and method |
| CN108183420A (en) * | 2018-02-26 | 2018-06-19 | 广东炜创电气有限公司 | Combined type distribution ring main unit with fuse cutout monitoring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130904 Termination date: 20160220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |