CN105548812B - Flash of light control device and method for fault detector - Google Patents

Flash of light control device and method for fault detector Download PDF

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Publication number
CN105548812B
CN105548812B CN201510996184.6A CN201510996184A CN105548812B CN 105548812 B CN105548812 B CN 105548812B CN 201510996184 A CN201510996184 A CN 201510996184A CN 105548812 B CN105548812 B CN 105548812B
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Prior art keywords
led light
control
accumulator
triode
solar panels
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CN201510996184.6A
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CN105548812A (en
Inventor
李�瑞
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Guangzhou Stratac Information Technology Co., Ltd.
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Guangzhou Maritime University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08Locating faults in cables, transmission lines, or networks
    • G01R31/081Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/085Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/38Arrangements for altering the indicating characteristic, e.g. by modifying the air gap
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors

Abstract

The present invention relates to the flash of light control device and methods for fault detector, its device includes solar panels, bleeder circuit, ON-OFF control circuit, microprocessor, accumulator and LED light, solar panels, bleeder circuit, ON-OFF control circuit, LED light are sequentially connected, microprocessor is connect with LED light, and LED light is connect by ON-OFF control circuit with accumulator.Its method includes the following steps:Daytime, solar panels were by sunlight, and output end is to bleeder circuit output voltage;The branch pressure voltage signal of bleeder circuit output makes ON-OFF control circuit disconnect power supply of the accumulator to LED light;Night solar panels Non voltage output, ON-OFF control circuit are closed, and accumulator is made to power to LED light;When breaking down, microprocessor controls LED light flicker.The present invention takes electrical characteristics and identifies day and night using the solar panels of fault detector itself, controls LED flashing light states, can reliably reduce LED light and flicker power consumption when daytime is unnecessary, can effectively extend battery life.

Description

Flash of light control device and method for fault detector
Technical field
The invention belongs to overhead distribution fault diagnosis technology fields, and in particular to be used for the flash of light control of fault detector Device and method processed.
Background technology
Country's overhead distribution fault section diagnosis is all made of fault detector and carries out fault location at present, when failure is sent out After life, fault detector drives turn over control device and several highlighting mounted on shell transparent part using battery capacity Red LED lamp flicker carries out indicating fault.In the event of failure, the control device that turns over is overturn to red status, while LED light carries out slowly It dodges, also event whether can occur by the highlighted glint identification of red LED fault detector position when night being facilitated to break down Barrier;When fault-free, the control device that turns over cancels red rollover states, while extinguishing LED flickers.
But when occurring due to overhead distribution failure, general inspection maintenance time is long, to ensure that circuit patrols Inspection personnel can have found that failure, generic failure indicator keep failure to turn over LED flashes of light more than 24 hours when breaking down, Even have and reaches 72 hours.It is general individually to be powered using lithium piezoelectric battery since fault detector is generally outdoor self-contained unit, Or it is powered in such a way that solar cell takes electricity plus lithium piezoelectric battery to integrate.Control device turn over due to utilizing electromagnet Principle turns over do not need to keep to be powered Electromagnetic Control for a long time, but LED flickering positions are if you need to be kept for 24 hours Flash of light, must carry out pulse power supply, the retention time is longer, and power consumption is also more to it.It takes place frequently state as broken down, Necessarily cause fault detector battery capacity itself to exhaust quickly, substantially reduces fault detector service life itself.
It when daytime, is influenced by sunlight, human eye seems that unobvious, line data-logging personnel pass through red when LED flickers It turns over to identify failure, it is contemplated that cancel LED flash of light power supplies, arrived and just opened LED flickers at night, line data-logging personnel is facilitated to see It examines.As being improved in this way, when failure occurs, LED scintillation times can shorten more than half, greatly reduce pair The loss of battery capacity improves the fault indicator service life.How to identify that day and night is exactly the crucial of this problem.
Clock can be added in the microprocessor inside fault detector, by setting a time point, such as afternoon 18 Whether point glistens to switch over.Adding the method for clock, there are the following problems:(1) when each fault detector manufacture or installation Shi Junxu carries out time service step to it, influences to produce installation effectiveness;(2) some time set may be different due to installation place Lead to have error, i.e., certain local sunshine-durations are partially long, and at 19 points in possible afternoon, yet non-darkness, just caused still to open in advance in this way LED flickers are opened, battery capacity also suffers from some influences;(3) microprocessor internal time error problem, in general, error Larger, long-play may cause time cumulation error to be likely to be breached several hours or 10 several hours, same impact effect; (4) such as increase clock chip inside fault detector, since accurate clock chip price general charged is higher, economic value is not high.
Light-sensitive device can be installed additional to fault detector, day and night is identified using the characteristic of light-sensitive device, to have In terms of effect solves the problems, such as time service, regional sunshine error, clock accuracy.But fault detector shell needs light-sensitive device exposed To at visible light, possible the problem of need to being related to shell mechanism change aspect;Moreover, because light-sensitive device light unicity, it can Can occur the case where being blocked by leaf or other shelters in fault detector actual installation process, light-sensitive device is made to lose work With.
Invention content
In order to overcome the technical problem that prior art power-on time is long, battery life is short, the present invention is provided to failures to refer to The flash of light control device and method of showing device takes electrical characteristics and identifies that daytime is black using the solar panels of fault detector itself Night controls LED flashing light states, can reliably reduce LED light and flicker power consumption when daytime is unnecessary, can effectively extend battery Service life.
Technical solution is as follows used by present invention flash of light control device:For the flash of light control device of fault detector, Including solar panels, bleeder circuit, ON-OFF control circuit, microprocessor, accumulator and LED light, solar panels, bleeder circuit, ON-OFF control circuit, LED light are sequentially connected, and microprocessor is connect with LED light, and LED light passes through ON-OFF control circuit and accumulator Connection;When having sunlight daytime, the output voltage of the solar panels passes through bleeder circuit, ON-OFF control circuit, cut-out Power supply of the accumulator to LED light;When night without sunlight is irradiated, the solar panels are supplied without output voltage, accumulator to LED light Electricity, microprocessor control LED light flicker when failure.
The bleeder circuit includes divider resistance R1, the R2 being in series.
The ON-OFF control circuit includes triode Q1, triode Q2 and PNP pipe Q3;The base stage of triode Q1 is through resistance R3 It is connect with bleeder circuit, collector is connect through resistance R5 with the base stage of triode Q2;The collector of triode Q2 is with PNP pipe Q3's Base stage connects, and the collector of PNP pipe Q3 is connect with LED light;The emitter of PNP pipe Q3 is connect with accumulator.
The solar panels are what fault detector carried.
Flash control method of the present invention uses following technical scheme:For the flash control method of fault detector, including Following steps:
S1, daytime, solar panels are by sunlight, and output end is to bleeder circuit output voltage;Bleeder circuit output Branch pressure voltage signal makes ON-OFF control circuit disconnect power supply of the accumulator to LED light;
S2, night, solar panels Non voltage output, ON-OFF control circuit are closed, and accumulator is made to power to LED light;
S3, when breaking down, microprocessor controls LED light flicker;When fault-free, microprocessor controls LED light and extinguishes.
Further, the bleeder circuit includes divider resistance R1, the R2 being in series;Adjust point of divider resistance R1, R2 Pressure ratio changes the resolution to daytime, night light.
Compared with the existing technology, the present invention has the advantages that:
1, day and night is identified using fault detector solar panel itself, and by controlling LED flickers, always It is maintained at the characteristic for not working daytime, working at night, the LED that can effectively shorten flickers duration, greatly reduces to battery capacity Loss saves energy, extends the working life of fault detector.
2, since the solar panel installed using fault detector itself identifies day and night, LED sudden strains of a muscle are automatically controlled Bright state, will not be influenced by time service, clock accuracy, regional disparity, improve the accuracy of identification.
3, auto-changeover control state can be realized by simple divider resistance and transistor circuit, is not necessarily to microprocessor Procedure identification is carried out, it is simple and reliable, it is of low cost.
Description of the drawings
Fig. 1 is the structure diagram of the embodiment of the present invention;
Fig. 2 is the circuit diagram of the embodiment of the present invention;
Fig. 3 is the control flow of the embodiment of the present invention.
Specific implementation mode
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but the specific implementation mode of the present invention It is not limited to this.
Embodiment
Flash of light control device and method proposed by the present invention for fault detector, too using fault detector itself Positive energy plate takes electrical characteristics to control LED flashing light states.When solar panels light on daytime is irradiated, solar panels output end has voltage The characteristic of output, LED do not flicker;When entering night, solar panels Non voltage output opens LED flickers, facilitates circuit at this time Patrol officer observes.
As shown in Figure 1, the present invention is glistened, control device includes solar panels, bleeder circuit, ON-OFF control circuit, microprocessor Device and LED light, solar panels, bleeder circuit, ON-OFF control circuit, LED light are sequentially connected, and microprocessor is connect with LED light, is given The accumulator of LED light power supply is connect by ON-OFF control circuit with LED light.
Referring to Fig. 2, bleeder circuit includes mainly divider resistance R1, the R2 being in series, the input terminal and the sun of bleeder circuit The output end connection of energy plate, the output end of bleeder circuit are connect with ON-OFF control circuit.ON-OFF control circuit includes mainly three poles Pipe Q1, triode Q2 and PNP pipe Q3.The base stage of triode Q1 is connect through resistance R3 with the series connection point of divider resistance R1, R2, current collection Pole is connect through resistance R5 with the base stage of triode Q2;The collector of triode Q2 is connect with the base stage of PNP pipe Q3, PNP pipe Q3's Collector is connect with LED light, and the emitter of PNP pipe Q3 is connect with accumulator.The Pulse Width Control port of microprocessor connects with LED light It connects.3.6V accumulators are turned off the light and microprocessor power supply to triode Q1, triode Q2, the sudden strain of a muscle of PNP pipe Q3, LED.
The output end of solar panels accesses two divider resistances R1, R2, when daytime, solar panels cell output voltage When, the bleeder circuit of R1, R2 composition is divided into the output voltage voltage signal of one controllable triode Q1 conducting.Three poles After pipe Q1 conductings, collector level is 0, and triode Q2 base voltages are 0, so Q2 is not turned on;Triode Q2 collector level Base level for height, PNP pipe Q3 is height, and ON-OFF control circuit is not turned on, LED flash anode Non voltage output.When night Solar panels Non voltage output, PNP pipe Q3 base levels are pulled low, therefore PNP pipe Q3 is in the conduction state, and cell voltage is straight at this time It connected PNP pipe Q3 to power to LED light, such as fault detector is malfunction at this time, and microprocessor will be controlled in a pulsed fashion LED flickers processed;As fault-free, microprocessor control terminal export high level, LED made to be in OFF state at this time.
As shown in figure 3, flash control method of the present invention, includes the following steps:
S1, daytime, solar panels are by sunlight, and output end is to bleeder circuit output voltage;Bleeder circuit output Branch pressure voltage signal makes ON-OFF control circuit disconnect power supply of the accumulator to LED light;
S2, night, solar panels Non voltage output, ON-OFF control circuit are closed, and accumulator is made to power to LED light;
S3, when breaking down, microprocessor controls LED light flicker;When fault-free, microprocessor controls LED light and extinguishes.
Further, the bright resolution of dialogue darkness noctilucence can be changed in the intrinsic standoff ratio of adjustment divider resistance R1, R2.
Technical scheme of the present invention is equipped with solar panels, without increasing newly for knowing since fault detector itself is included The component on other daytime and night, characteristic are not necessarily to time service, error without sunshine, no clocking error as light-sensitive device.In addition, Fault detector consideration takes electrical efficiency, is typically mounted at shell both sides or even is partially installed on four sides, failure can be effectively prevent to refer to Show the problem of certain of device is blocked by leaf or shelter on one side.
Embodiment of the present invention are not limited by the above embodiments, other any Spirit Essences without departing from the present invention With under principle made by changes, modifications, substitutions, combinations, simplifications, should be equivalent substitute mode, be included in the present invention Within protection domain.

Claims (6)

1. the flash of light control device for fault detector, which is characterized in that including solar panels, bleeder circuit, switch control Circuit, microprocessor, accumulator and LED light, solar panels, bleeder circuit, ON-OFF control circuit, LED light are sequentially connected, micro- place Reason device is connect with LED light, and LED light is connect by ON-OFF control circuit with accumulator;When having sunlight daytime, the sun The output voltage of energy plate passes through bleeder circuit, ON-OFF control circuit, cuts off power supply of the accumulator to LED light;In night without sunlight When irradiation, the solar panels without output voltage, to LED light power by accumulator, and microprocessor control LED light is dodged when failure It is bright;
The ON-OFF control circuit includes triode Q1, triode Q2 and PNP pipe Q3;The base stage of triode Q1 is through resistance R3 and divides Volt circuit connects, and collector is connect through resistance R5 with the base stage of triode Q2;The base stage of the collector and PNP pipe Q3 of triode Q2 Connection, the collector of PNP pipe Q3 are connect with LED light;The emitter of PNP pipe Q3 is connect with accumulator.
2. the flash of light control device according to claim 1 for fault detector, which is characterized in that the bleeder circuit Including divider resistance R1, the R2 being in series.
3. the flash of light control device according to claim 1 for fault detector, which is characterized in that the microprocessor Pulse Width Control port connect with LED light.
4. the flash of light control device according to claim 1 for fault detector, which is characterized in that the solar panels It is carried for fault detector.
5. the flash control method for fault detector, which is characterized in that include the following steps:
S1, daytime, solar panels are by sunlight, and output end is to bleeder circuit output voltage;The partial pressure of bleeder circuit output Voltage signal makes ON-OFF control circuit disconnect power supply of the accumulator to LED light;
S2, night, solar panels Non voltage output, ON-OFF control circuit are closed, and accumulator is made to power to LED light;
S3, when breaking down, microprocessor controls LED light flicker;When fault-free, microprocessor controls LED light and extinguishes;
The ON-OFF control circuit includes triode Q1, triode Q2 and PNP pipe Q3;The base stage of triode Q1 is through resistance R3 and divides Volt circuit connects, and collector is connect through resistance R5 with the base stage of triode Q2;The base stage of the collector and PNP pipe Q3 of triode Q2 Connection, the collector of PNP pipe Q3 are connect with LED light;The emitter of PNP pipe Q3 is connect with accumulator.
6. flash control method according to claim 5, which is characterized in that the bleeder circuit includes the partial pressure being in series Resistance R1, R2;The intrinsic standoff ratio of divider resistance R1, R2 are adjusted, the resolution to daytime, night light is changed.
CN201510996184.6A 2015-12-24 2015-12-24 Flash of light control device and method for fault detector Active CN105548812B (en)

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Publication number Priority date Publication date Assignee Title
CN108471160B (en) * 2018-04-08 2021-10-08 深圳绿米联创科技有限公司 Charging control circuit and method of single-live-wire switch and intelligent household system

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CN103415122A (en) * 2013-08-28 2013-11-27 深圳市林润实业有限公司 Intelligent energy-saving LED traffic signal lamp processing system
CN203748069U (en) * 2014-02-27 2014-07-30 深圳市林润实业有限公司 Power management circuit of novel LED road indicating board
CN204330945U (en) * 2014-07-31 2015-05-13 国家电网公司 A kind of intelligent solar digital fault indicator

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Publication number Priority date Publication date Assignee Title
CN102595716A (en) * 2012-01-19 2012-07-18 成都国腾实业集团有限公司 Solar light-emitting diode (LED) street lamp monitoring system
CN202907256U (en) * 2012-06-26 2013-04-24 孙婷婷 An intelligent identifying board
CN103415122A (en) * 2013-08-28 2013-11-27 深圳市林润实业有限公司 Intelligent energy-saving LED traffic signal lamp processing system
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Effective date of registration: 20190904

Address after: Room 1111, No. 10 Guanhong Road, Guangzhou High-tech Industrial Development Zone, Guangdong 510000

Patentee after: Guangzhou Stratac Information Technology Co., Ltd.

Address before: 510000 No. 101 Hongshan Third Road, Huangpu District, Guangzhou City, Guangdong Province

Patentee before: GUANGZHOU MARITIME INSTITUTE