CN106646117A - Electronic information communication safety detecting system - Google Patents
Electronic information communication safety detecting system Download PDFInfo
- Publication number
- CN106646117A CN106646117A CN201611016871.8A CN201611016871A CN106646117A CN 106646117 A CN106646117 A CN 106646117A CN 201611016871 A CN201611016871 A CN 201611016871A CN 106646117 A CN106646117 A CN 106646117A
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- circuit
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- electric capacity
- triode
- potentiometer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
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- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses an electronic information communication safety detecting system. The detection system includes a single-chip microprocessor, a photocoupling circuit, an expansion interface circuit, an amplification circuit, a filtering circuit and a wireless transmission circuit. The single-chip is connected with the photocoupling circuit, the wireless transmission circuit and a wireless receiving module. According to the invention, the P87C591 single-chip microprocessor and a plurality of integrated circuit chips form a minimal system and all the circuits are centralized on one printed circuit board, so that the system is compact in structure, small in size and simple in technique. Compared with a traditional digital circuit, the system is good in automation degree and good in working performance, so that automation and intelligence of each branch circuit of the tour inspection DC system are realized reasonably. Ground branch circuit serial numbers and polarities can be positioned and a wireless alarm method can be adopted for prompting operation workers of grounding failures. Combined with a three-dimensional digital sand table of a man-machine interaction module, failure information of failure lines positioned through wireless alarm and surrounding information of the lines can be shown more directly and clearly and line failures can be processed timely and accurately.
Description
Technical field
The present invention relates to a kind of detecting system, specifically a kind of electronic information communication safety detecting system.
Background technology
As China Power Grids have been enter into bulk power grid, extra-high voltage, remote epoch, as the important step in electrical network ---
The safety problem of transmission line of electricity plays more and more important effect during administration of power networks.When transmission line of electricity breaks down,
The very first time finds abort situation, understanding failure condition and in time solution failure can improve the working water of administration of power networks department
It is flat, human and material resources, the financial resources of administrative department are saved, also can provide great convenience for the life of user.
But current power transmission line security is reported to the police and continues to use traditional approach always, in a large number by manual inspection, the report being positioned manually
Alert pattern, lacks the type of alarm to transmission line safety automation, visual monitoring management and accurately processes commander's hand
Section, with the development of country, transmission line of electricity spreads all over the country each corner of the even earth, goes wrong and is difficult to find in time and locate
Reason, causes to a certain extent transmission line of electricity operation and management level low.
The content of the invention
It is an object of the invention to provide a kind of electronic information communication safety detecting system, to solve above-mentioned background technology in
The problem of proposition.
For achieving the above object, the present invention provides following technical scheme:
A kind of electronic information communication safety detecting system, including single-chip microcomputer, photoelectric coupling circuit, expansion interface circuit, amplification electricity
Road, filter circuit and radio transmitter, the single-chip microcomputer connects respectively photoelectric coupling circuit, radio transmitter, wirelessly connects
Module, sound light alarming circuit, human-computer interaction module and V/F converters are received, the photoelectric coupling circuit other end is sequentially connected expansion
Exhibition interface circuit, amplifying circuit, filter circuit, selective frequency amplifier circuit and filter amplification circuit, the filter amplification circuit other end connects
The V/F converter other ends are connect, the radio transmitter transmits signals to wireless receiving warning circuit, the wireless receiving module
By wireless sending module connecting fault detection module;The filter amplification circuit include resistance R1, electric capacity C1, potentiometer RP1,
Triode VT1 and potentiometer RP2, electric capacity C1 one end ground connection, the electric capacity C1 other ends connect respectively resistance R1, resistance R2, electricity
Resistance R4, resistance R6 and power supply VCC, the resistance R1 other ends connect respectively input Vi and potentiometer RP1 one end, and potentiometer RP1 is slided
Piece connects electric capacity C6, and the electric capacity C6 other ends connect respectively the resistance R2 other ends, resistance R3 and triode VT1 base stages, triode VT1
Colelctor electrode connects respectively the resistance R4 other ends and electric capacity C3, triode VT1 emitter stages connection resistance R5, electric capacity C3 other ends difference
Connecting triode VT2 base stages, electric capacity C4, potentiometer RP2 one end and potentiometer RP2 slide plates, triode VT2 emitter stages connection resistance
R7, triode VT2 colelctor electrode connects respectively the resistance R6 other ends and triode VT3 base stages, and triode VT3 emitter stages connect respectively
The potentiometer RP2 other ends, resistance R8 and electric capacity C5, electric capacity C5 other ends connection output end vo, the resistance R8 other ends connect respectively
The resistance R7 other ends, the electric capacity C4 other ends, the resistance R5 other ends, the resistance R3 other ends, the potentiometer RP1 other ends.
As further scheme of the invention:Wireless receiving module model PCA82C250.
As further scheme of the invention:V/F converters model AD654, the single-chip microcomputer model
P87C591。
As further scheme of the invention:The expansion interface circuit adopts chip MAX306.
As further scheme of the invention:The radio transmitter is gsm wireless radiating circuit.
Compared with prior art, the invention has the beneficial effects as follows:(1)The present invention is using P87C591 single-chip microcomputers and some collection
Minimum system is constituted into circuit chip, its whole circuit is concentrated on a bar printing wiring board, compact conformation, small volume, technique
Simply.(2)Reliable operation, strong antijamming capability improves itinerant monitor system antijamming capability.(3)With traditional digital circuit
Compare, high degree of automation, favorable working performance, rationally realize automation and the intelligence of each bar branch road of circling measurment straight-flow system
Change;Energy positioning both ground branch number and polarity, and point out operations staff to find earth fault in time using radio alarming mode;
(4)In the controlling the heart is provided with sound light alarming circuit and human-computer interaction module, can remind the generation of controllers faulty line
Situation, and transmission line malfunction information, circuit peripheral information are shown in human-computer interaction module, conveniently more intuitively, clearly
Observation faulty line simultaneously makes timely, accurately troubleshooting.
Description of the drawings
Fig. 1 is a kind of circuit block diagram of electronic information communication safety detecting system;
Fig. 2 is a kind of main program block diagram of electronic information communication safety detecting system;
Fig. 3 is a kind of alert program block diagram of electronic information communication safety detecting system;
Fig. 4 is a kind of circuit diagram of filter amplification circuit in electronic information communication safety detecting system.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1~4 are referred to, in the embodiment of the present invention, a kind of electronic information communication safety detecting system, including single-chip microcomputer,
Photoelectric coupling circuit, expansion interface circuit, amplifying circuit, filter circuit and radio transmitter, the single-chip microcomputer connects respectively
Photoelectric coupling circuit, radio transmitter, wireless receiving module, sound light alarming circuit, human-computer interaction module and V/F converters,
The photoelectric coupling circuit other end is sequentially connected expansion interface circuit, amplifying circuit, filter circuit, selective frequency amplifier circuit and filter
Ripple amplifying circuit, the filter amplification circuit other end connection V/F converter other ends, the radio transmitter transmits signals to nothing
Line receives warning circuit, and the wireless receiving module passes through wireless sending module connecting fault detection module;The filter and amplification
Circuit includes resistance R1, electric capacity C1, potentiometer RP1, triode VT1 and potentiometer RP2, electric capacity C1 one end ground connection, electric capacity
The C1 other ends connect respectively resistance R1, resistance R2, resistance R4, resistance R6 and power supply VCC, and the resistance R1 other ends connect respectively input
End Vi and potentiometer RP1 one end, potentiometer RP1 slide plates connection electric capacity C6, the electric capacity C6 other ends connect respectively the resistance R2 other ends,
Resistance R3 and triode VT1 base stages, triode VT1 colelctor electrodes connect respectively the resistance R4 other ends and electric capacity C3, and triode VT1 sends out
Emitter-base bandgap grading connects resistance R5, electric capacity C3 other ends difference connecting triode VT2 base stages, electric capacity C4, potentiometer RP2 one end and potentiometer
RP2 slide plates, triode VT2 emitter stages connection resistance R7, triode VT2 colelctor electrodes connect respectively the resistance R6 other ends and triode
VT3 base stages, triode VT3 emitter stages connect respectively the potentiometer RP2 other ends, resistance R8 and electric capacity C5, and the electric capacity C5 other ends connect
Output end vo is connect, the resistance R8 other ends connect respectively the resistance R7 other ends, the electric capacity C4 other ends, the resistance R5 other ends, resistance R3
The other end, the potentiometer RP1 other ends.Wireless receiving module model PCA82C250.V/F converter models AD654, monolithic
Machine model P87C591.Expansion interface circuit adopts chip MAX306.Radio transmitter is gsm wireless radiating circuit.
With traditional Comparison between detecting methods, the expansion interface circuit of chip MAX306 compositions brings turn to whole detecting system
Throw-over degree is fast, contactless, life-span length, simple control circuit the advantages of.Traditional detection method has Vibrating pulse phenomenon, and signal is jumped
Jump is very big, it is necessary to pulse amplitude is escaped on software, so not only needs to increase filter circuit but also extends monitoring time, detects
Method has the life problems of break-make number of times, once certain relay breaks down, the branch road loses detection, and whole system i.e. can not
Normal work.There are internal system interference, external electrical field, Electromagnetic Interference etc. in power plant, electric substation working site, and sensor is each
Plant interference signal and together send into amplifier circuit amplification, therefore be filtered into the key issue that monitoring system normal reliable works,
It is complex using common operational amplifier composition high-order active filter circuit, what the present invention was used in hardware circuit design
It is chip MAX306, it can produce the output frequency of 0.1Hz to 25kHz, using Butterworth filter, though its shoulder characteristic
It is so more gentle, but the phase characteristic of passband is very flat, is best suited for the occasion that distortion transmits waveform very littlely.
Fig. 4 for filter amplification circuit circuit diagram, including resistance R1, electric capacity C1, potentiometer RP1, triode VT1 and current potential
Device RP2, electric capacity C1 one end ground connection, the electric capacity C1 other ends connect respectively resistance R1, resistance R2, resistance R4, resistance R6 and electricity
Source VCC, the resistance R1 other end connects respectively input Vi and potentiometer RP1 one end, potentiometer RP1 slide plates connection electric capacity C6, electricity
Hold the C6 other ends and connect the resistance R2 other ends, resistance R3 and triode VT1 base stages respectively, triode VT1 colelctor electrodes connect respectively
The resistance R4 other ends and electric capacity C3, triode VT1 emitter stages connection resistance R5, electric capacity C3 other ends difference connecting triode VT2
Base stage, electric capacity C4, potentiometer RP2 one end and potentiometer RP2 slide plates, triode VT2 emitter stages connection resistance R7, triode VT2
Colelctor electrode connects respectively the resistance R6 other ends and triode VT3 base stages, and it is another that triode VT3 emitter stages connect respectively potentiometer RP2
One end, resistance R8 and electric capacity C5, electric capacity C5 other ends connection output end vo, it is another that the resistance R8 other ends connect respectively resistance R7
End, the electric capacity C4 other ends, the resistance R5 other ends, the resistance R3 other ends, the potentiometer RP1 other ends, input Vi signals are by electricity
After the device RP1 adjusting sizes of position, then triode VT1 base stages are sent to by C6, audio signal exports Jing Jing after VT1 amplifications from colelctor electrode
Electric capacity C3 is crossed, triode VT2 base stages are sent to, VT3 base stages are sent to again from VT2 colelctor electrodes after amplification, it is defeated from VT3 emitter stages after amplification
Go out, then the audio signal amplified is exported through electric capacity C5;Power supply VCC provides power supply for whole circuit, and VT2 and VT3 are powered
Can turn on and enter magnifying state, potentiometer RP2 is feedback resistance, not only can provide electric current for VT2 base stages, can also be stablized
The quiescent point of VT2 and VT3, C4 is shunt capacitance, can improve the gain amplifier of VT2.
The present invention rationally realizes the automation and intellectuality of each bar branch road of circling measurment straight-flow system, can positioning both ground
Road is numbered and polarity, points out operations staff to find earth fault in time using radio alarming mode, and combines human-computer interaction module
3-dimensional digital sand table it is more directly perceived, clearly observe the fault message and circuit periphery of the faulty line that radio alarming is positioned
Information, in time, accurately process circuit failure.
Claims (5)
1. a kind of electronic information communication safety detecting system, including single-chip microcomputer, photoelectric coupling circuit, expansion interface circuit, amplification
Circuit, filter circuit and radio transmitter, it is characterised in that the single-chip microcomputer connects respectively photoelectric coupling circuit, wirelessly sends out
Transmit-receive radio road, wireless receiving module, sound light alarming circuit, human-computer interaction module and V/F converters, the photoelectric coupling circuit is another
End is sequentially connected expansion interface circuit, amplifying circuit, filter circuit, selective frequency amplifier circuit and filter amplification circuit, filter and amplification
The circuit other end connects the V/F converter other ends, and the radio transmitter transmits signals to wireless receiving warning circuit, described
Wireless receiving module passes through wireless sending module connecting fault detection module;The filter amplification circuit includes resistance R1, electric capacity
C1, potentiometer RP1, triode VT1 and potentiometer RP2, electric capacity C1 one end ground connection, the electric capacity C1 other ends connect respectively resistance
R1, resistance R2, resistance R4, resistance R6 and power supply VCC, the resistance R1 other ends connect respectively input Vi and potentiometer RP1 one end,
Potentiometer RP1 slide plates connect electric capacity C6, and the electric capacity C6 other ends connect respectively the resistance R2 other ends, resistance R3 and triode VT1 bases
Pole, triode VT1 colelctor electrodes connect respectively the resistance R4 other ends and electric capacity C3, triode VT1 emitter stages connection resistance R5, electric capacity
C3 other ends difference connecting triode VT2 base stages, electric capacity C4, potentiometer RP2 one end and potentiometer RP2 slide plates, triode VT2 sends out
Emitter-base bandgap grading connects resistance R7, and triode VT2 colelctor electrodes connect respectively the resistance R6 other ends and triode VT3 base stages, and triode VT3 sends out
Emitter-base bandgap grading connects respectively the potentiometer RP2 other ends, resistance R8 and electric capacity C5, and electric capacity C5 other ends connection output end vo, resistance R8 is another
It is another that one end connects respectively the resistance R7 other ends, the electric capacity C4 other ends, the resistance R5 other ends, the resistance R3 other ends, potentiometer RP1
End.
2. electronic information communication safety detecting system according to claim 1, it is characterised in that the wireless receiving module
Model PCA82C250.
3. electronic information communication safety detecting system according to claim 1, it is characterised in that the V/F converter types
Number be AD654, single-chip microcomputer model P87C591.
4. electronic information communication safety detecting system according to claim 1, it is characterised in that the expansion interface circuit
Using chip MAX306.
5. electronic information communication safety detecting system according to claim 1, it is characterised in that the radio transmitter
For gsm wireless radiating circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611016871.8A CN106646117A (en) | 2016-11-18 | 2016-11-18 | Electronic information communication safety detecting system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611016871.8A CN106646117A (en) | 2016-11-18 | 2016-11-18 | Electronic information communication safety detecting system |
Publications (1)
Publication Number | Publication Date |
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CN106646117A true CN106646117A (en) | 2017-05-10 |
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ID=58807509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201611016871.8A Withdrawn CN106646117A (en) | 2016-11-18 | 2016-11-18 | Electronic information communication safety detecting system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107219803A (en) * | 2017-07-27 | 2017-09-29 | 福建升腾资讯有限公司 | It is a kind of to be used to detect that terminal opens or closes the device of lid in real time |
CN107231040A (en) * | 2017-06-15 | 2017-10-03 | 合肥讯邦网络科技有限公司 | A kind of power communication intelligence control system |
CN109445341A (en) * | 2018-11-06 | 2019-03-08 | 国网河南省电力公司温县供电公司 | A kind of power communication intelligence control system |
-
2016
- 2016-11-18 CN CN201611016871.8A patent/CN106646117A/en not_active Withdrawn
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107231040A (en) * | 2017-06-15 | 2017-10-03 | 合肥讯邦网络科技有限公司 | A kind of power communication intelligence control system |
CN107219803A (en) * | 2017-07-27 | 2017-09-29 | 福建升腾资讯有限公司 | It is a kind of to be used to detect that terminal opens or closes the device of lid in real time |
CN107219803B (en) * | 2017-07-27 | 2024-03-26 | 福建升腾资讯有限公司 | Device for detecting opening or closing of terminal cover in real time |
CN109445341A (en) * | 2018-11-06 | 2019-03-08 | 国网河南省电力公司温县供电公司 | A kind of power communication intelligence control system |
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Application publication date: 20170510 |