CN105389946B - A kind of power circuit safe distance monitoring caution system - Google Patents

A kind of power circuit safe distance monitoring caution system Download PDF

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Publication number
CN105389946B
CN105389946B CN201510950122.1A CN201510950122A CN105389946B CN 105389946 B CN105389946 B CN 105389946B CN 201510950122 A CN201510950122 A CN 201510950122A CN 105389946 B CN105389946 B CN 105389946B
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China
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module
power circuit
unit
microprocessor
safe distance
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CN201510950122.1A
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CN105389946A (en
Inventor
费鹏
段志国
梁爽
冯国义
李爱锋
李国忠
任鹏中
耿兆祥
崔文政
赵振华
李辉
崔浩
史海滨
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State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Baoding Power Supply Co of State Grid Hebei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Baoding Power Supply Co of State Grid Hebei Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, State Grid Hebei Electric Power Co Ltd, Baoding Power Supply Co of State Grid Hebei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201510950122.1A priority Critical patent/CN105389946B/en
Publication of CN105389946A publication Critical patent/CN105389946A/en
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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02Alarms for ensuring the safety of persons

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The invention discloses a kind of power circuit safe distances to monitor caution system, is related to overhead power line security protection detection, monitoring technology field.Being taken including power circuit can module, microprocessor control module, distance sensor module, flashing light module, audio-frequency module, LED display module, wireless data communication module, camera module;Power circuit takes energy module to provide stable voltage for entire caution system, and microprocessor control module is connected by peripheral control interface and the control of other corresponding modules, and assigns corresponding action command information after being handled according to the data that each unit module is fed back.The system can detect the mobile object in guard plot automatically and each functional component of intelligent control carries out completion warning, alarm, information collection and upload respectively, it is operated through background management system and transfers breakdown repair tissue fast reaction, solve the burst state of affairs of regional supply of electric power.

Description

A kind of power circuit safe distance monitoring caution system
Technical field
The present invention relates to the security protection detection of overhead power line, monitoring technology fields.
Background technology
The circuit warning class device that the country is appeared on the market comes from external similar product, and main function is used as tall and big What building or navigation mark avigation light one kind of super-high power shaft tower were configured, and it is used for general electric force pole tower, because of its humane ring Border and technical management mode are variant with the country, and the device simply indiscriminately imitated fails to really solve domestic electrical circuit The practical problem that security protection is faced especially arranges the intelligent measurement of mobile object in guard plot and monitoring without application It applies.
Existing power circuit warning class device mainly highlight its shape windproof feature and product it is declarative, and limit In material, the technical characteristic of component, and because many functions to user demand do not cause enough theoretic knowledgies and part material Expect that the processing and manufacturing of component is horizontal, even and if pair many ripe application technologies occurred, due to the factors such as cost is higher, It is not integrated effectively, considers and design to be mostly " ball " shape or " board " shape, be expired with complying with the characteristic of material therefor component Sufficient desired effect, to limit the application and development of many new technologies.
Cannot user's be met to the induction object and distance of monitoring object, security protection and warning effect in the prior art Actual demand, and having a single function.Such as:
1, the induction technology monitored in the prior art has been primarily targeted for life entity(People)And infrared inductor is used, reality In be mostly that the vehicle operated by people or equipment move, when people wherein or while being obscured by an object is difficult to use infrared induction Device detected, and monitoring purpose is not achieved;And part recognizes insufficient, detection zone using microwave technology due to protecting and monitoring Domain and distance cannot meet the requirement of shelter of power circuit.
2, display unit is used in the prior art, is caused power consumption to limit usage amount greatly since material technology limits, is shown Show that effect does not protrude:First, ball-type device, due to structure problem, the LED light tube of use is generally plate-like and relatively concentrates arrangement, only Luminous intact device can substantially be observed immediately below it by having, and its side(Namely nearby, close on)Also it is observable To fuzzy illuminator approximate location, its warning function is greatly weakened;Second is that board type device, general structure is that composition is shown Font or mark shape, and without Dynamic Announce effect, power consumption is big and shows and obscures, if region in the vicinity is especially moved Vehicle, equipment or movement class construction operation, it is difficult to identify the particular content of luminescence display.
3, in the prior art to love scene(Especially close on the construction operation behavior of power circuit zone of protection)'s Respond lacks, and management unit cannot be notified to pay close attention in time, cause management unit live event may further be expanded and The safety failure even accident of development and initiation, namely the monitoring effect of relevant apparatus cannot be grasped.
4, in the prior art due to the use of the limitation of material, volume is larger, from installation and places requirement, also shortage pair The understanding of power circuit safe operation, namely it is more than diameter of wire range to adhere to the object of volume and weight on line conductor When several multiples, the influence and threat of existing electrical safety, and mechanical-physical can be caused to change and influence line security operation.
Invention content
Technical problem to be solved by the invention is to provide a kind of power circuit safe distances to monitor caution system, the system High sensitivity, highly reliable, each functional component of mobile object and intelligent control that can be detected automatically in guard plot carries out respectively Warning, alarm, information collection and upload are completed, is operated through background management system and transfers breakdown repair tissue fast reaction, is solved The burst state of affairs of regional supply of electric power.
In order to solve the above technical problems, the technical solution used in the present invention is:A kind of power circuit safe distance monitoring Caution system, the system include that power circuit takes energy module, microprocessor control module, distance sensor module, safe distance Alarm module, camera module, wireless data communication module;
It includes taking energy mutual inductor module and draw-out power supply module that power circuit, which takes energy module, takes energy mutual inductor module can be from electricity Line of force road obtains electric energy, and gives draw-out power supply module, draw-out power supply module that the electric energy of acquisition is carried out rectification electrical energy transportation Stable power supply is provided after being filtered for entire caution system;
Microprocessor control module includes arithmetic unit unit and Logical processing unit, by peripheral control interface and apart from biography Sensor module, safe distance alarm module, camera module, wireless data communication module control connection, and according to each unit mould The data of block feedback carry out processing and assign corresponding action command information;
Distance sensor module is made of microwave induced module and/or ultrasonic sensing module, using directly emanant Detection pattern is detected mobile object, and sends the signal detected to microprocessor control module and carry out at signal Reason;
Safe distance monitoring alarm module is made of LED display module, flashing light module and audio-frequency module, passes through peripheral hardware control Interface processed is connect with microprocessor control module, and corresponding actions are excited according to the data information of microprocessor processes;
Camera module is made of photosensitive element, embedded microcontroller unit, amplification arithmetic element, is controlled by peripheral hardware Interface is connect with microprocessor control module, is taken pictures after receiving the instruction that microprocessor is assigned, and by data back to micro- Processor control module, for carrying out image recording to scene;
Wireless data communication module is by baseband control unit, data transmitter unit, antenna gain unit, micro-embedded control Unit forms, and is connect with microprocessor by Peripheral Interface, after receiving the instruction that microprocessor is assigned, for transmission and lower information carrying Breath.
The technical solution advanced optimized is that audio-frequency module includes audio data storage unit and audio treatment unit, audio For data storage cell for reading and writing various audio datas, audio treatment unit receives the instruction that microprocessor control module is assigned It carries out broadcasting audio data after information, for the sound alarm to mobile object.
The technical solution advanced optimized is that flashing light module is mainly made of flashing light, according to microprocessor control module The command information assigned controls the display pattern and intensity of flashing light, the alarm effect for improving flashing light.
The technical solution advanced optimized is that LED display module is mainly made of LED light strip, and mould is controlled according to microprocessor The command information that block is assigned controls the display pattern, speed, frequency of LED light strip, the warning for enhancing LED light and announcement Alert effect.
The technical solution advanced optimized is the data that the system further includes for storing entire caution system operation data Storage expanding module.
The technical solution advanced optimized is that the draw-out power supply module further includes that electricity is taken to adjust protection circuit, takes electric adjusting Protection circuit can adjust and limit in real time the acquisition electric energy received.
The technical solution advanced optimized is imaging sensor of the camera module using support various control pattern, is also wrapped Photographing unit is included, can complete to take pictures and by function that the compression of images taken pictures is multiple format picture.
The technical solution advanced optimized is the communication module that wireless data communication module is built-in processing function unit, energy It enough carries out tunnel data transport, support remote parameter transmission mode, after sending and downloading microprocessor control module processing Information.
It is using advantageous effect caused by above-mentioned technical proposal:The present invention utilizes two kinds of induction moulds of microwave and ultrasonic wave The sensor of formula can play the respective electromagnetic wave sensing advantage different with sound wave, in power circuit guard plot personnel, Other objects there may be approaching failure such as vehicle, machinery are detected, and contactless detection is carried out to detected material, And detection signal is sent to microcontroller and handles, microcontroller by acoustooptic form to the personnel of nearby lines, vehicle, Machinery etc. is other to carry out early warning there may be the object of approaching failure and informs;The system sensitivity is high, highly reliable, can be certainly Mobile object and each functional component of intelligent control in dynamic detection guard plot carry out respectively completion warning, alarm, information collection and It uploads, is operated through background management system and transfer breakdown repair tissue fast reaction, solve the burst state of affairs of regional supply of electric power.
Description of the drawings
Fig. 1 is principle of the invention structure chart.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, it includes taking energy mutual inductor module and draw-out power supply module that power circuit, which takes energy module, taking can mutual inductor Module can obtain electric energy from power circuit, and give electrical energy transportation to draw-out power supply module, and draw-out power supply module is by the electricity of acquisition Stable power supply is provided for entire caution system after capable of carrying out rectifying and wave-filtering processing, draw-out power supply module further includes taking electricity to adjust to protect Protection circuit, the acquisition electric energy received can be adjusted and limit in real time by taking electricity to adjust protection circuit, can also be absorbed because of spies such as lightning strokes Instantaneous large-current caused by different situation ensures that module can remain to the stable voltage of output when power circuit electric current is unstable;When When power circuit takes energy module to have operating voltage and electric current to export, each component starts the information that Intelligent treatment captures;By micro- The arithmetic unit and Logical processing unit of processor control module, each peripheral control interface and connection each unit module, system carry out Normal work;The signal that microwave induced module, ultrasonic sensing module receive tested object reflection by senser element is sent to Microprocessor is handled;Microprocessor control module is a kind of super large-scale integration, and operation dominant frequency is high, has arithmetic unit Memory space is not lost in unit and Logical processing unit, the power down for having abundant peripheral control interface and large capacity(FLASH), It can complete the information collection to various external unit modules, data storage analysis, process control, result treatment function;Micro- place Device control module is managed using high-performance, the control module of low-power consumption, has standby and awakening mode, it is each to be mainly responsible for Intelligent treatment The data of unit module feedback simultaneously assign action command information;The action command sent out through microprocessor, LED display module are completed The flash mode of setting changes and recycles flicker, audio-frequency module can send out men and women's sound rotation and play and " pay attention to!Height is pressed with electric danger, It please be far from other than 15 meters!" voice prompt alarm, audio-frequency module includes audio data storage unit and control unit, can repeatedly be wiped Except various audio datas are read and write, storage and the playing function of different phonetic are realized;Flashing light control module can then be sent out by setting Go out the strong light of quick-fried sudden strain of a muscle of different light-emitting modes and color, flashing light control module can complete the control work(to flashing light operating mode Can, improve the warning efficiency and effect of flashing light;When have mobile object close on setting monitoring distance and conducting wire under when, can also be same Shi Qidong wireless data communication modules and camera module can both preserve video image at the same time, and photos and sending messages give pipe simultaneously Reason personnel, and field download data can be carried out, to analyze the hidden danger or failure of determining user equipment;Transformation through some cycles After control mode cycle, in monitoring range such as without object, that is, be transferred to pause stage and be in Operating quiescent;Such as detect motive objects Body, by the cycle of the work of excitation monitoring device and overall process again.
To ensure the security implementation of the present invention, illustrate the ancillary measure condition as embodiment below:
1, transport installation:Moisture proof, anti-extrusion, anti-high vibration measure should be taken in transport, ensure Packing Sound;Installation Method can take power failure operation or livewire work mode, and operation is required according to power industry safety and technology;When installation, The fastening screw and hook card for opening caution system device of the present invention, clamp conducting wire, tightly by precalculated position and specification mask method Gu each screw;The method routinely operated when operation can be in since caution system device of the present invention has longitudinally extending degree One end of device shifts backward job position in order, in favor of the installation operation of device;Such as it is that livewire work is installed, device exists Ground before installation operates when preparing using external power supply, closes remote control switch, releases the microprocessor of device after external power supply Closed state can be remembered, caution system device of the present invention is made to be in power failure standby mode.
2, debugging setting:After caution system device of the present invention fixes, external power supply energization such as can be used for power failure operation Check that display module and LED display whether normal operation, working station indicator show normally;Such as it is that livewire work is pacified Dress, checks whether the connection of each portion and fastening are completed, and operating personnel, which should withdraw working at height environment and are remotely controlled on ground, to be beaten Format invention caution system device activates the method for operation, then carries out the inspection and debugging of other projects.
3, detection monitoring:After caution system device normal operation of the present invention, 500 outside the guard plot around installation point~ 1000 meters, the LED lamplight that can be clearly apparent caution system device of the present invention is shown and flash model, 20~30 meters in protection domain It can be clearly visible and start the flashing light light sent out and display pattern because caution system device of the present invention detects mobile object, and Hear clear loud phonic warning sound simultaneously, ground detection personnel, which can receive, download to caution system device of the present invention adopts The action message and installation site information of collection, the image letter of photographing module acquisition can be received simultaneously by such as carrying management backstage equipment Breath.
4, data acquire:After caution system device operation of the present invention, in addition to by above-mentioned 3rd stepping performing check, monitoring is checked The distance detection function of module, audible and visual alarm function, the data of communication module upload and download function, image photographic and on descend Function and operation method is carried, marks and carries out by operation instructions.
5, management disposition:Management regulation can be developed according to user demand;Mainly management process includes:The present invention warns system Bulk cargo sets power circuit equipment, geographical location and the environment of installation, the technical parameter of line facility, the name of product and type of device Number, installation and operation starting time, the background devices of device and administrative staff, supervision regulation, receive upload data after disposition Flow and measure etc..

Claims (4)

1. a kind of power circuit safe distance monitors caution system, it is characterised in that:The system include power circuit take can module, Microprocessor control module, distance sensor module, safe distance monitoring alarm module, camera module, wireless data communication Module;
It includes taking energy mutual inductor module and draw-out power supply module that power circuit, which takes energy module, takes energy mutual inductor module can be from power line Road obtains electric energy, and gives draw-out power supply module, draw-out power supply module that the electric energy of acquisition is carried out rectifying and wave-filtering electrical energy transportation Stable power supply is provided after processing for entire caution system;
Microprocessor control module includes arithmetic unit unit and Logical processing unit, passes through peripheral control interface and range sensor Module, safe distance alarm module, camera module, wireless data communication module control connection, and it is anti-according to each unit module The data of feedback carry out processing and assign corresponding action command information;
Safe distance monitoring alarm module carries out processing by LED display module and assigns corresponding action command information;LED shows mould Block is mainly made of LED light strip, display pattern, speed of the command information assigned according to microprocessor control module to LED light strip Degree, frequency are controlled, the warning for enhancing LED light and alarm effect;
Distance sensor module is made of microwave induced module and ultrasonic sensing module, using directly emanant detection pattern Mobile object is detected, and sends the signal detected to microprocessor control module and carries out signal processing;
It is connect, is excited according to the data information of microprocessor processes corresponding with microprocessor control module by peripheral control interface Action, flashing light module are mainly made of flashing light, and the command information assigned according to microprocessor control module is to flashing light Display pattern and intensity are controlled, the alarm effect for improving flashing light;
Camera module is made of photosensitive element, embedded microcontroller unit, amplification arithmetic element, passes through peripheral control interface It connect, takes pictures after receiving the instruction that microprocessor is assigned, and by data back to microprocessor with microprocessor control module Device control module, for carrying out image recording to scene, camera module uses the imaging sensor for supporting various control pattern, Further include photographing unit, can complete to take pictures and by function that the compression of images taken pictures is multiple format picture;
Wireless data communication module is by baseband control unit, data transmitter unit, antenna gain unit, micro-embedded control unit Composition, is connect by Peripheral Interface with microprocessor, after receiving the instruction that microprocessor is assigned, for transmission and download information; Wireless data communication module is the communication module of built-in processing function unit, can carry out tunnel data transport, support long-range ginseng Number transmission modes, information that treated for sending and download microprocessor control module;
The flash mode that LED display module completes setting changes and recycles flicker, audio-frequency module can send out men and women's sound rotation broadcasting Voice prompt alerts, and flashing light control module sends out the strong light of quick-fried sudden strain of a muscle of different light-emitting modes and color, flashing light control by setting Molding block is completed, to the control function of flashing light operating mode, to improve the warning efficiency and effect of flashing light;When there is mobile object Close on setting monitoring distance and conducting wire under when, can also start wireless data communication module and camera module simultaneously, both can be same Shi Baocun video images, and photos and sending messages and can carry out field download data to administrative staff simultaneously, to analyze determining user The hidden danger or failure of equipment;
After power circuit safe distance monitors caution system normal operation, 500~1000 meters outside the guard plot around installation point, The LED lamplight that the power circuit safe distance monitoring caution system can be clearly apparent is shown and flash model, in protection domain 20~30 meters can be clearly visible and start and send out because power circuit safe distance monitoring caution system detects mobile object Flashing light light and display pattern, and hear that clear loud phonic warning sound, ground detection personnel can receive, downloads simultaneously To the action message and installation site information of power circuit safe distance monitoring caution system acquisition.
2. a kind of power circuit safe distance according to claim 1 monitors caution system, it is characterised in that:Audio-frequency module Including audio data storage unit and audio treatment unit, audio data storage unit is for reading and writing various audio datas, audio Processing unit carries out broadcasting audio data after receiving the command information that microprocessor control module is assigned, for mobile object Sound alarm.
3. a kind of power circuit safe distance according to claim 1 monitors caution system, it is characterised in that:The system is also It include the data storage expanding module for storing entire caution system operation data.
4. a kind of power circuit safe distance according to claim 1 monitors caution system, it is characterised in that:It is described to take energy Power module further includes that electricity is taken to adjust protection circuit, and the acquisition electricity received can be adjusted and limit in real time by taking electricity to adjust protection circuit Energy.
CN201510950122.1A 2015-12-18 2015-12-18 A kind of power circuit safe distance monitoring caution system Active CN105389946B (en)

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Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107228647A (en) * 2016-03-23 2017-10-03 新昌县达科机电产品设计有限公司 Piston pin connecting rob bushing gap size positions accessory part
CN106101631A (en) * 2016-07-04 2016-11-09 安霸公司 Cloud video camera
CN106504447A (en) * 2016-12-29 2017-03-15 天津市帕金科技发展有限公司 Safety warning device of electromechanical equipment
CN106781238A (en) * 2017-03-22 2017-05-31 国网河南省电力公司商丘供电公司 Self-excitation type power transmission line warning range unit
CN107170160A (en) * 2017-04-29 2017-09-15 国网山东省电力公司寿光市供电公司 Sense flashing light caution system
CN107831362A (en) * 2017-10-24 2018-03-23 国家电网公司 A kind of power equipment information collects and records mobile terminal
CN108198382A (en) * 2018-01-12 2018-06-22 沈阳工程学院 Ultra-high-tension power transmission line anticollision on-line monitoring system and monitoring method
CN108986397A (en) * 2018-06-14 2018-12-11 江苏德泽智能电气科技有限公司 Supply network intelligent early-warning device
CN109633656B (en) * 2019-01-31 2024-01-12 国家电网有限公司 Non-contact overhead cable height measuring rod
CN110796815A (en) * 2019-11-08 2020-02-14 国网江苏省电力有限公司常州供电分公司 Warning device for preventing fishing along overhead power supply line from electric shock
CN112365667A (en) * 2020-09-23 2021-02-12 国家电网有限公司 Warning and driving device for protection area of power transmission line

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201674157U (en) * 2010-04-28 2010-12-15 严志宏 Pole cable anti-theft device
CN102024302A (en) * 2010-10-18 2011-04-20 航天科工深圳(集团)有限公司 Monitoring and early warning system for power transmission lines
CN202887379U (en) * 2012-09-25 2013-04-17 开封光利高科实业有限责任公司 Pre-winding type power line alarm device
KR101493399B1 (en) * 2012-11-26 2015-02-16 이재용 Near Offender Alarm System and Control Method of the Server in it
CN103021109A (en) * 2012-11-29 2013-04-03 西南交通大学 Anti-theft monitoring system for electric power facilities
CN102976210B (en) * 2012-12-03 2015-09-16 广州供电局有限公司 The safety distance of power construction equipment detects prior-warning device and method
CN203827941U (en) * 2014-04-30 2014-09-17 国家电网公司 Self-powered microwave ultrasonic bird repelling device
CN205264002U (en) * 2015-12-18 2016-05-25 国家电网公司 Power line safe distance control warning system

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