CN2476029Y - Radio alarm device for high voltage transmission line - Google Patents
Radio alarm device for high voltage transmission line Download PDFInfo
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- CN2476029Y CN2476029Y CN 01236005 CN01236005U CN2476029Y CN 2476029 Y CN2476029 Y CN 2476029Y CN 01236005 CN01236005 CN 01236005 CN 01236005 U CN01236005 U CN 01236005U CN 2476029 Y CN2476029 Y CN 2476029Y
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Abstract
The utility model is a wireless alarm device of the high voltage transmission line, comprising a box body, a dry-type voltage transformer, a current transformer, a wireless alarm, antennae and a mainframe station. The wireless alarm mainly consists of three SCMs, an A/D converter, a modem, a date memorizer, a flip-latch, a trigger, a NAND gate, three transformers and two current transformers. The mainframe station consists of a PC, a control software, a teledata communication plate. The radio is used as the channels for receiving and dispatching signals. The utility model is used for showing the voltage and the current date of the high voltage transmission line automatically and giving an alarm when the line is cut off or a phase failure occurs with the distance of 40 kilometers.
Description
The utility model relates to high pressure and monitors automatically and warning device for distribution, also relates to wireless transmitting system, particularly is a kind of ultra-high-tension power transmission line radio alarming device.
For many years, the ultra-high-tension power transmission line of units such as China oil field, mine, generating plant is often cut theft steathily by the lawless person, cause enormous economic loss to industrial and agricultural production, electric administrative department has to adopt the method for artificial line walking strictly to take precautions against, not only drop into great amount of manpower and material resources, and atrocious weather and night line walking very arduous.Patent documentation is found advanced more patented product and effective monitoring technique by retrieval.
The purpose of this utility model just is to provide a kind of ultra-high-tension power transmission line radio alarming device, has two major functions.The one, energy automatic monitoring display length is apart from electric current, the voltage status of high-tension line; The 2nd, as long as there is a phase circuit to be cut off a place, just can reports to the police immediately, and can show the place of the phase failure, so that in time take corresponding measure.Can overcome all shortcomings of artificial line walking.
Above-mentioned purpose is realized by following technical proposals:
Ultra-high-tension power transmission line radio alarming device is made up of casing, dry-type voltage inductor, current transformer, wireless alarm, antenna and master station.Wireless alarm is made up of three single-chip microcomputers, A/D converter, modulator-demodular unit, data-carrier store, latch, trigger, Sheffer stroke gate, three transformers, three rectifier bridges and output circuit, two current transformers, two cover regulator rectifier circuits, two switching tubes, Switching Power Supply, electrochemical capacitors.Master station is made up of PC, Control Software, Modem remote data communication plate.With the passage of wireless station as signal transmitting and receiving.Wherein single-chip microcomputer 1 is connected with A/D converter, data-carrier store, latch, modulator-demodular unit, Sheffer stroke gate and single-chip microcomputer 2 respectively.Data-carrier store is connected with latch.Sheffer stroke gate is connected with single-chip microcomputer 2, modulator-demodular unit.From the voltage signal of dry-type voltage inductor respectively through three transformer transformations, after rectification, connect A/D converter again.Current signal from current transformer carries out connecing A/D converter after the current/voltage conversion through two current transformers respectively.The positive pole of three rectifier bridges connects the input end of trigger respectively.Trigger connects single-chip microcomputer 3 again, and single-chip microcomputer 3 connects single-chip microcomputer 2 external interrupt input pins again, and single-chip microcomputer 2 connects the external interrupt input pin of single-chip microcomputer 1 again, and the INT0 pin of single-chip microcomputer 3 connects the base stage of switching tube, the emission in control radio station.
Above-mentioned high-tension line radio alarming device, the secondary side joint Switching Power Supply by dry-type voltage inductor provides working power to wireless alarm.(total capacitance is 0.07～0.36F) to be connected in parallel on the output terminal of the Switching Power Supply of wireless alarm to a plurality of high capacity electrochemical capacitors.Temporarily power for single-chip microcomputer, each chip and radio station by above-mentioned electrochemical capacitor during the phase failure.
The utility model is applicable to 6～10KV, the high pressure of frequency 50Hz is in the power distribution network, automatic monitoring display and phase breaking alarm isolated plant as long distance transmission line and each branched line, can replace artificial line walking, save a large amount of manpower and materials, be not subjected to weather and restriction round the clock, to the alert reaction fast, accurately, help timely disposal, utilize master station in radius 20～40 kilometer range, to receive the phase breaking alarm signal and observe voltage, current value at any time, can prevent effectively that transmission line of electricity from being cut the robber.
Accompanying drawing 1 is the partial sectional view of facing of the present utility model.
Accompanying drawing 2 is that partial sectional view is looked on the left side of Fig. 1.
Accompanying drawing 3 is the partial sectional views of overlooking of Fig. 1.
Accompanying drawing 4 is circuit theory sketches of the present utility model.
In conjunction with the accompanying drawings embodiment of the present utility model is described below:
Shown in Fig. 1,2,3, the utility model is made up of antenna 1, casing 2, high voltage porcelain bushing 3, dry-type voltage inductor 4, wireless alarm 5, current transformer 6 and master station.
The A of circuit, B, C three-phase voltage connect voltage transformer (VT) 4 summation current transformers 6 through high voltage porcelain bushing 3.The secondary side joint wireless alarm 5 of the secondary side summation current transformer 6 of voltage transformer (VT) 4.
As seen from Figure 4, wireless alarm 5 (RSE) is by singlechip CPU 1, CPU2, CPU3, A/D converter, modulator-demodular unit, data-carrier store, latch, trigger, Sheffer stroke gate, three transformer B1, B2, B3, three rectifier bridge D1, D2, D3 and output circuits thereof, and two current transformers, two cover regulator rectifier circuits, two switching tube G1, G2, Switching Power Supply and electrochemical capacitors are formed.With the passage of wireless station as signal transmitting and receiving.PTT connects the control knob in radio station.Wherein P0.0～the P0.7 of singlechip CPU 1 meets D0～D7, the I/O0～I/O7 of latch, the 1D～8D of data-carrier store of A/D converter respectively.Singlechip CPU 1 also is connected with modulator-demodular unit, Sheffer stroke gate and singlechip CPU 2.Singlechip CPU 2 connects external interrupt input INT0, the INT1 pin of single-chip microcomputer CPU1.A0～the A7 of latch meets the 1Q～8Q of data-carrier store respectively.Sheffer stroke gate also is connected with singlechip CPU 2, modulator-demodular unit TDK.The power monitoring chip meets single-chip microcomputer CPU1, and control single chip computer CPU1 resets.Voltage signal Va, Vb, Vc from dry-type voltage inductor 1YH, 2YH pass through transformer B1, B2, B3 respectively, meet IN3, IN4, the IN5 of A/D converter again after rectification.From current signal Ia, the Ic of current transformer 1LH, 2LH respectively through meeting IN6, the IN7 of A/D converter after two current transformers, the current/voltage conversion.The positive pole of three rectifier bridge D1, D2, D3 connects the input end of trigger respectively.Trigger meets single-chip microcomputer CPU3 again, and CPU3 meets external interrupt input pin INT0, the INT1 of CPU2 again, and CPU2 meets the external interrupt input pin INT1 of CPU1 again.The INT0 of CPU3 connects the base stage of switch triode G1, the emission in control radio station.
As seen from Figure 4, voltage signal Va, Vb, Vc connect A/D converter after transformation, rectification.Current signal Ia, Ic carry out connecing A/D converter after the current/voltage conversion through current transformer.By A/D converter the analog signal conversion of Va, Vb, Vc and Ia, Ic is become digital signal again, and export to data-carrier store, the instantaneous value of voltage and current is stored at any time.When wireless station receives the signal of master station,, after the modulator-demodular unit demodulation,, confirm earlier by 2 pairs of signals of singlechip CPU again through Sheffer stroke gate through capacitor C 5 filtering.When confirming as the identification signal of oneself, to interrupt to the INT0 of CPU1 application, singlechip CPU 1 is sent steering order, and the electric current of circuit, voltage signal are launched by the radio station after the modulator-demodular unit modulation more earlier through Sheffer stroke gate.The wireless station of master station receives signal, carries out demodulation by Modem remote data communication plate, and PC is handled, and realizes that the electric current of circuit, voltage show.
The input end of trigger is just often kept high level at transformer voltage, and the INT0 pin of singlechip CPU 3 is a high level.As long as the lawless person cuts off a wherein phase transmission line of electricity, or when having one mutually the phase failure to take place for some reason, the secondary side decompression of dry-type voltage inductor, transformer B1, B2, will have at least a decompression among the B3, the input end of trigger has two pins to become low level, two high level of trigger output, the INT0 pin of singlechip CPU 3 becomes low level, the radio station emission, singlechip CPU 3 is interrupted to singlechip CPU 2 applications simultaneously, when singlechip CPU 2 was confirmed as phase failure signal, output Gao Ping interrupted to singlechip CPU 1 application, singlechip CPU 1 is sent steering order, the Sheffer stroke gate conducting, the address of this circuit, phase failure signal is launched by the radio station after the modulator-demodular unit modulation, when the wireless station of master station receives signal, pass to Modem remote data communication plate and carry out demodulation, after routine processes, the phase breaking alarm signal is reflected on the desktop of PC again, realizes the phase failure or have a power failure reporting to the police.Electrochemical capacitor discharge during the phase failure in the wireless alarm temporarily powers for radio station, single-chip microcomputer and chip.
Claims (2)
1. ultra-high-tension power transmission line radio alarming device, by casing, dry-type voltage inductor, current transformer, wireless alarm, antenna and master station are formed, it is characterized in that wireless alarm is by three single-chip microcomputers, A/D converter, modulator-demodular unit, data-carrier store, latch, trigger, Sheffer stroke gate, three transformers, three rectifier bridges and output circuit, two current transformers, two cover regulator rectifier circuits, two switching tubes, Switching Power Supply, electrochemical capacitor is formed, master station is by PC, Control Software, Modem remote data communication plate is formed, with the passage of wireless station as signal transmitting and receiving, wherein single-chip microcomputer 1 respectively with A/D converter, data-carrier store, latch, modulator-demodular unit, Sheffer stroke gate and single-chip microcomputer 2 connect, data-carrier store is connected with latch, Sheffer stroke gate and single-chip microcomputer 2, modulator-demodular unit connects, from the voltage signal of dry-type voltage inductor respectively through three transformer transformations, after rectification, connect A/D converter again, current signal from current transformer carries out connecing A/D converter after the current/voltage conversion through two current transformers respectively, the positive pole of three rectifier bridges connects the input end of trigger respectively, trigger connects single-chip microcomputer 3 again, single-chip microcomputer 3 connects single-chip microcomputer 2 external interrupt input pins again, single-chip microcomputer 2 connects the external interrupt input pin of single-chip microcomputer 1 again, the INT0 pin of single-chip microcomputer 3 connects the base stage of switch triode, the emission in control radio station.
2. ultra-high-tension power transmission line radio alarming device according to claim 1, it is characterized in that secondary side joint Switching Power Supply by dry-type voltage inductor, provide working power to wireless alarm, (total capacitance is 0.07～0.36F) to be connected in parallel on the Switching Power Supply output terminal of wireless alarm to a plurality of high capacity electrochemical capacitors, temporarily powers for single-chip microcomputer, each chip and radio station by above-mentioned electrochemical capacitor during the phase failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01236005 CN2476029Y (en) | 2001-03-15 | 2001-03-15 | Radio alarm device for high voltage transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01236005 CN2476029Y (en) | 2001-03-15 | 2001-03-15 | Radio alarm device for high voltage transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2476029Y true CN2476029Y (en) | 2002-02-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01236005 Expired - Fee Related CN2476029Y (en) | 2001-03-15 | 2001-03-15 | Radio alarm device for high voltage transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2476029Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1909326B (en) * | 2005-08-05 | 2010-12-29 | 万达集团股份有限公司 | Low-voltage intelligent anti-theft measuring pocket |
| CN102213731A (en) * | 2010-04-06 | 2011-10-12 | 陈家斌 | Overcurrent phase-missing remote alarm for distribution transformer |
| CN104374426A (en) * | 2014-11-07 | 2015-02-25 | 国网上海市电力公司 | Low-cost easily-installed power line working state real-time monitoring point and system |
| CN104375057A (en) * | 2014-11-07 | 2015-02-25 | 国网上海市电力公司 | Automatic underground power line fault positioning and warning system |
| CN104867652A (en) * | 2014-02-25 | 2015-08-26 | 国家电网公司 | Transformer housing, transformer and power distribution equipment with transformer |
-
2001
- 2001-03-15 CN CN 01236005 patent/CN2476029Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1909326B (en) * | 2005-08-05 | 2010-12-29 | 万达集团股份有限公司 | Low-voltage intelligent anti-theft measuring pocket |
| CN102213731A (en) * | 2010-04-06 | 2011-10-12 | 陈家斌 | Overcurrent phase-missing remote alarm for distribution transformer |
| CN104867652A (en) * | 2014-02-25 | 2015-08-26 | 国家电网公司 | Transformer housing, transformer and power distribution equipment with transformer |
| CN104867652B (en) * | 2014-02-25 | 2018-04-06 | 国家电网公司 | Transformer shell, transformer and the controller switching equipment with the transformer |
| CN104374426A (en) * | 2014-11-07 | 2015-02-25 | 国网上海市电力公司 | Low-cost easily-installed power line working state real-time monitoring point and system |
| CN104375057A (en) * | 2014-11-07 | 2015-02-25 | 国网上海市电力公司 | Automatic underground power line fault positioning and warning system |
| CN104374426B (en) * | 2014-11-07 | 2017-07-25 | 国网上海市电力公司 | Power circuit work status real time monitor point and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |