CN110212454A - A kind of power grid obstacle monitoring device and relevant apparatus - Google Patents
A kind of power grid obstacle monitoring device and relevant apparatus Download PDFInfo
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- CN110212454A CN110212454A CN201910662203.XA CN201910662203A CN110212454A CN 110212454 A CN110212454 A CN 110212454A CN 201910662203 A CN201910662203 A CN 201910662203A CN 110212454 A CN110212454 A CN 110212454A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 46
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- 230000004888 barrier function Effects 0.000 claims abstract description 19
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- H02J13/0075—
Abstract
This application discloses a kind of power grid obstacle monitoring devices, include: microcontroller, blocks signal for receiving, block whether signal disturbance in judgement object is less than safe distance at a distance from power grid according to described, when barrier is less than safe distance at a distance from power grid, early warning order is sent；It is connect with the microcontroller, for blocking the infrared emission inductive switch of signal described in the transmission when infrared ray is blocked；It is connect with the microcontroller, for receiving the early warning order, wireless communication unit that the early warning order is sent in the form of short message.Barrier is detected by infrared emission inductive switch, is then judged by microcontroller, realizes to the automatically-monitored of power grid barrier, improves monitoring efficiency.Disclosed herein as well is a kind of electric power supervisory control main website and power grid obstruction forewarning methods, have the above beneficial effect.
Description
Technical field
This application involves grid monitoring techniques field, in particular to a kind of power grid obstacle monitoring device, electric power supervisory control
Main website and power grid obstruction forewarning method.
Background technique
In power grid maintenance technical field, since power grid is set up outdoors, and general outdoor environment is uncontrollable, can be with
Building time extends, and power grid will receive the influence of outdoor force majeure, damage the basic function of power grid.For example, around power grid
Trees encounter high-tension line with time growth, cause high-tension line to trip, influence the normal electricity consumption of surrounding resident.Therefore, it needs
Maintenance inspection is carried out to power grid, avoid the occurrence of the case where number encounters high-voltage line.
In the prior art, inspection usually is carried out to high-tension line by artificial mode, needs to put into a large amount of manpower
And material resources, repetition is cumbersome, and heavy workload and low efficiency, artificial line walking are often limited by the shadow of the factors such as weather and environment
Ring, can not discovery security risk promptly and accurately, cause the number of high-voltage trip and power failure, even and if screen of trees get to high pressure
After line, it is at which place, after line tripping that operation maintenance personnel, which is not known, yet, it is also necessary to go to search line fault point, inherently increase
The time for adding power failure causes to postpone the problem of sending a telegram in reply, influences the normal electricity consumption of resident.
Therefore, the difficulty for how reducing high-tension line inspection, the efficiency for improving inspection is those skilled in the art's concern
Important Problems.
Summary of the invention
It is pre- that the purpose of the application is to provide a kind of power grid obstacle monitoring device, electric power supervisory control main website and power grid obstacle
Alarm method detects barrier by infrared emission inductive switch, is then judged by microcontroller, realizes to electricity
Automatically-monitored, the raising monitoring efficiency of net barrier.
In order to solve the above technical problems, the application provides a kind of power grid obstacle monitoring device, comprising:
Microcontroller, for receive block signal, according to it is described block signal disturbance in judgement object at a distance from power grid whether
Early warning order is sent when barrier is less than safe distance at a distance from power grid less than safe distance；
It is connect with the microcontroller, for blocking the infrared emission induction of signal described in the transmission when infrared ray is blocked
Switch；
It connect with the microcontroller, for receiving the early warning order, the early warning order is sent out in the form of short message
The wireless communication unit sent.
Optionally, the wireless communication unit, comprising:
It is connect with the microcontroller, it is single for receiving serial communication of transmission early warning order of the microcontroller
Member；
It is connect with the serial communication subelement, GSM for sending the early warning order in the form of short message is single
Member.
Optionally, further includes:
It is connect with the microcontroller, for obtaining the high-definition camera of power system monitor video.
Optionally, further includes:
It is connect with the microcontroller, for sending the WIFI module of the power system monitor video by WIFI.
Optionally, further includes:
It is connect with the microcontroller, the solar energy photovoltaic power generation module for being powered by solar energy to microcontroller.
Optionally, the microcontroller is STM32F101R6.
Optionally, the infrared emission inductive switch is LX18-DJ30MNK.
The application also provides a kind of electric power supervisory control main website, including power grid obstacle monitoring device as described above；Wherein,
The power grid obstacle monitoring device is connect with the controller of the electric power supervisory control main website.
The application also provides a kind of power grid obstruction forewarning method, comprising:
Obtain the transmission of infrared emission inductive switch blocks signal；
Whether the duration that signal is blocked described in judgement is greater than the first preset duration；
When the duration for blocking signal is greater than first preset duration, judge to receive in the second preset duration
To the number for blocking signal whether be greater than preset times；
If so, sending pre-warning signal.
Optionally, pre-warning signal is sent, comprising:
Pre-warning signal is sent by way of short message.
A kind of power grid obstacle monitoring device provided herein, comprising: microcontroller blocks signal, root for receiving
Block whether signal disturbance in judgement object is less than safe distance at a distance from power grid according to described, when barrier is less than at a distance from power grid
When safe distance, early warning order is sent；It is connect with the microcontroller, for blocking letter described in the transmission when infrared ray is blocked
Number infrared emission inductive switch；Connect with the microcontroller, for receiving the early warning order, by the early warning order with
The wireless communication unit that the form of short message is sent.
By the infrared emission inductive switch being connect with microcontroller, the shelter close to power grid is detected, screening is worked as
Signal is blocked to microcontroller transmission when block material is in the detection range of infrared ray, then microcontroller blocks signal according to this and sentences
Whether disconnected barrier is less than safe distance at a distance from power grid, and early warning order is sent when being less than safe distance, finally again should
Early warning order is relayed, and realizes the wireless monitor to power grid security, rather than is monitored by the way of artificial to power grid,
The cost for reducing power system monitor, improves the efficiency and effectiveness of power system monitor.
The application also provides a kind of electric power supervisory control main website and power grid obstruction forewarning method, has above beneficial to effect
Fruit, therefore not to repeat here.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of power grid obstacle monitoring device provided by the embodiment of the present application；
Fig. 2 is a kind of flow chart of power grid obstruction forewarning method provided by the embodiment of the present application.
Specific embodiment
It is pre- that the core of the application is to provide a kind of power grid obstacle monitoring device, electric power supervisory control main website and power grid obstacle
Alarm method detects barrier by infrared emission inductive switch, is then judged by microcontroller, realizes to electricity
Automatically-monitored, the raising monitoring efficiency of net barrier.
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
In the prior art, inspection usually is carried out to high-tension line by artificial mode, needs to put into a large amount of manpower
And material resources, repetition is cumbersome, and heavy workload and low efficiency, artificial line walking are often limited by the shadow of the factors such as weather and environment
Ring, can not discovery security risk promptly and accurately, cause the number of high-voltage trip and power failure, even and if screen of trees get to high pressure
After line, it is at which place, after line tripping that operation maintenance personnel, which is not known, yet, it is also necessary to go to search line fault point, inherently increase
The time for adding power failure causes to postpone the problem of sending a telegram in reply, influences the normal electricity consumption of resident.
Therefore, the application provides a kind of power grid obstacle monitoring device, is incuded by the infrared emission connecting with microcontroller
Switch detects the shelter close to power grid, sends when shelter is in the detection range of infrared ray to microcontroller
Signal is blocked, then microcontroller blocks whether signal disturbance in judgement object is less than safe distance at a distance from power grid according to this, when
Early warning order is sent when less than safe distance, finally again relays the early warning order, realizes the wireless prison to power grid security
Control, rather than is monitored power grid using artificial by the way of, reduces the cost of power system monitor, improve the efficiency of power system monitor with
Effectiveness.
Referring to FIG. 1, Fig. 1 is a kind of structural schematic diagram of power grid obstacle monitoring device provided by the embodiment of the present application.
In the present embodiment, the apparatus may include:
Microcontroller 100 blocks signal for receiving, and according to blocking, whether signal disturbance in judgement object is small at a distance from power grid
Early warning order is sent when barrier is less than safe distance at a distance from power grid in safe distance；
It is connect with microcontroller 100, for sending the infrared emission inductive switch for blocking signal when infrared ray is blocked
200；
It is connect with microcontroller 100, for receiving early warning order, channel radio that early warning order is sent in the form of short message
Believe unit 300.
As it can be seen that including microcontroller 100, infrared emission inductive switch 200 and wireless communication unit in the present embodiment
300.It is sent first by infrared induction switch when infrared ray is blocked and blocks signal, then pass through 100 basis of microcontroller
This blocks whether the distance between signal disturbance in judgement object and power grid are less than safe distance, when distance is less than safe distance, hair
Early warning order is sent, sends early warning order in the form of short message finally by wireless communication unit 300.It realizes and passes through barrier
Hinder monitoring device to judge the barrier of power grid, and can just be judged when bar contact is to power grid, is realized
It gives warning in advance, rather than occurs just checking after barrier reaches power grid.Also, it avoids through artificial mode to power grid
Phenomenon of the failure is judged.
Not only avoid and operation be monitored by artificial mode, and can in advance to the barrier close to power grid into
Row monitoring, in advance to barrier the problem of carry out early warning.While reducing maintenance cost, effective journey of monitoring is also improved
Degree.
Optionally, wireless communication unit 300, comprising:
It is connect with microcontroller 100, the serial communication subelement of the transmission early warning order for receiving microcontroller 100；
It is connect with serial communication subelement, the GSM subelement for sending early warning order in the form of short message.
As it can be seen that the wireless communication unit 300 in this optinal plan includes serial communication subelement and GSM subelement.Respectively
It is realized by the two subelements and sends corresponding warning information, to improve the transmitting efficiency of warning information.
Optionally, the power grid obstacle monitoring device can also include:
It is connect with microcontroller 100, for obtaining the high-definition camera of power system monitor video.
As it can be seen that the device can also include a high-definition camera in this optinal plan.Pass through the camera, technical staff
The state of power grid can be checked, to determine whether barrier influences power grid.And the case where getting obstacle in advance or
The case where power grid, determines maintenance service.
Optionally, the power grid obstacle monitoring device can also include:
It is connect with microcontroller 100, for sending the WIFI module of power system monitor video by WIFI.
In this optinal plan, which can also include WIFI module.By the WIFI module, monitoring device can be with
More data are transmitted by the peripherad monitoring module of WIFI network or mobile terminal, and the speed for transmitting data is faster, makes
Maintenance personnel can pass through the obstacle monitoring device in time determine power grid on state.
Optionally, the power grid obstacle monitoring device can also include:
It is connect with microcontroller 100, the solar energy power generating mould for being powered by solar energy to microcontroller 100
Block.
It in this optinal plan, can be powered to microcontroller 100 by solar energy photovoltaic power generation module, reduce electricity
While consumption, the cruising ability of monitoring device can also be improved.
Optionally, the power grid obstacle monitoring device, microcontroller 100 are STM32F101R6.
Optionally, the power grid obstacle monitoring device, infrared emission inductive switch 200 are LX18-DJ30MNK.
Further, it is also possible to expect that the monitoring device is attached with other monitoring devices, to make multiple monitoring devices pair
The environment of power grid carries out linkage surveillance, the efficiency and level of coverage of monitoring is improved, specifically, can be straight between multiple monitoring devices
It connects and is attached, can also will be attached between multiple monitoring devices by interchanger, both the above can also be used simultaneously
Multiple monitoring devices are attached by connection type.As it can be seen that the mode for connecting multiple monitoring devices herein is not unique, herein not
It is specifically limited.
To sum up, the present embodiment is by the infrared emission inductive switch that connect with microcontroller, to the shelter close to power grid
It is detected, blocks signal to microcontroller transmission when shelter is in the detection range of infrared ray, then microcontroller root
It blocks whether signal disturbance in judgement object is less than safe distance at a distance from power grid according to this, early warning life is sent when being less than safe distance
It enables, finally again relays the early warning order, realize to the wireless monitor of power grid security, rather than by the way of artificial pair
Power grid is monitored, and reduces the cost of power system monitor, improves the efficiency and effectiveness of power system monitor.
Below by way of one embodiment, a kind of electric power supervisory control main website provided herein is illustrated.
The present embodiment provides a kind of electric power supervisory control main website, which may include as implemented above
The power grid obstacle monitoring device of example；Wherein, power grid obstacle monitoring device is connect with the controller of electric power supervisory control main website.
It can be seen that, that is to say, that it include power grid obstacle monitoring device in the electric power supervisory control main website in the present embodiment.It can
To carry out control processing to each monitoring device by the electric power supervisory control main website, the control structure of total score is realized, improve prison
The covering power for controlling main website guarantees that each monitoring device can carry out effective monitoring to corresponding region.Also, the electric power
The master station of system can carry out linkage control to multiple monitoring devices of connection, so as to the shape to entire monitoring area
State carries out effective monitoring.
A kind of power grid obstruction forewarning method provided by the embodiments of the present application is introduced below, a kind of electricity described below
Net obstruction forewarning method can correspond to each other reference with a kind of above-described power grid obstacle monitoring device.
Referring to FIG. 2, Fig. 2 is a kind of flow chart of power grid obstruction forewarning method provided by the embodiment of the present application.
In the present embodiment, this method may include:
S101, obtain the transmission of infrared emission inductive switch blocks signal；
Whether S102, the duration that signal is blocked in judgement are greater than the first preset duration；If so, executing S103；If it is not,
Then execute S101；
S103 judges to receive in the second preset duration when the duration for blocking signal is greater than the first preset duration
The number for blocking signal whether be greater than preset times；If so, executing S104；If it is not, then executing S101；
S104 sends pre-warning signal.
Since the signal that blocks of infrared emission inductive switch is when there is shelter, what is persistently sent blocks signal.Only
Have when shelter disappears, can just stop sending and block signal.Therefore, in order to avoid the shelter of such as leaf or branch etc. is even
So appear in infrared emission inductive switch, the duration that first signal is blocked in judgement in the present embodiment whether be greater than first it is default when
It is long, when being greater than, just execute S103.To exclude the fortuitous phenomena occurred.Further, judged by S103 default second
Whether the number for blocking signal received in duration is greater than preset times.Wherein, when the first preset duration is default less than second
It is long.This step is that is, over a longer period of time, determine the number for blocking signal.Also for fortuitous phenomena are excluded, mention
The accuracy rate of high early warning.
Optionally, S104 may include: in the present embodiment
Pre-warning signal is sent by way of short message.
As it can be seen that the mode for sending pre-warning signal is mainly described in this optinal plan, that is, sent by the way of short message
Pre-warning signal.The spread speed of pre-warning signal is improved, and expands the spread speed of pre-warning signal.
On the basis of all of above embodiment, the embodiment of the present application also provides a kind of intelligent monitoring of automatic detection screen of trees
System.
The function that the system needs to realize includes 9 modules, respectively smart phone APP module, WiFi module, detection tree
Hinder SMS alarm subsystem, WirelessHD camera, infrared emission inductive switch, solar energy photovoltaic power generation module, system monitoring
Main website, wherein the present embodiment is used to detect trees or the close sensor of bamboo is: infrared emission inductive switch LX18-
The precision of DJ30MNK, sensor detection are high, and detection range is wide, strong anti-interference performance, and microcontroller is to use
STM32F101R6, the chip have low-power consumption, the fast advantage of operation speed.
Wherein, intelligent movable mobile phone APP, for monitoring the real-time pictures at high-tension line scene；WiFi module passes through WiFi
Picture is real-time transmitted on mobile terminal, is observed for user；The serial communication module of screen of trees SMS alarm subsystem is monitored,
Communication for master controller and gsm module；Gsm module has and sends SMS messaging, voice communication, the bases such as GPRS data transmission
All basic functions that this GSM network is communicated, can by system detection to information be converted to the form of short message and be transmitted to
On intelligent mobile phone terminal；Intelligent mobile phone terminal, the SMS alarm information sended over for receiving gsm module；System monitoring
Main website, can by the picture of all camera head monitors being mounted on high-tension line of power supply station, and at the same time be displayed on the screen,
Power supply station's distribution operation maintenance personnel open-and-shut can watch the actual conditions of screen of trees on all high-tension lines, be equivalent to primary
Property can patrol a plurality of high-voltage line simultaneously；WirelessHD camera passes through for being mounted on the high-tension line shaft tower of more screens of trees
Wireless network is remotely controlled, and maximum observation visual angle is level 360, vertical 204 degree, guarantees that camera takes ideal picture
Face；Solar energy photovoltaic power generation module is mounted in system hardware, green for providing electric energy required for hardware system operates
Colour circle is protected, and is powered without individual power supply；Infrared emission inductive switch, the present embodiment is using LX18-DJ30MNK model
Sensor, the precision of sensor detection is high, and detection range is wide, the advantage of strong anti-interference performance etc., for detect trees or
Person's bamboo is close, and microcontroller is using STM32F101R6, which has low-power consumption, and the fast advantage of arithmetic speed is reduced defeated
The unplanned power failure of electric line improves user experience.
Electric energy required for the operating of the hardware system of the present embodiment is to provide electric energy, nothing by solar energy photovoltaic power generation module
Power supply line power supply need to be individually connect, it is environmentally protective.In use, can be by the bar of high-tension line of the hardware installation of system more than the screen of trees
On tower, detection range can be flexibly set according to the actual situation on site, once there are trees or bamboo more than the peace of setting
The infrared ray of full early warning range, infrared emission inductive switch LX18-DJ30MNK will be blocked by screen of trees, and infrared sensor will
Controller is sent commands to, controller is according to the length of time and number for covering infrared ray to determine whether being genuine trees and bamboo
Son prevents contingency close to high-tension line, and controller receives after the signal that infrared sensor is sent according to the journey write
Sequence automatically judges whether it is really to have trees and bamboo close to high-tension line, if detecting bamboo close to high-tension line, control
Device processed will send commands to gsm module by serial ports, and gsm module will be by wireless after receiving the order that controller is sent
Communication network sends short message on mobile terminal mobile phone terminal.The staff of O&M class receives short message: " the station 35KV** * *
701 bars of line 7, system detection are please handled in time to having screen of trees close to high-tension line ", staff can after receiving short message
To know where is it trees or bamboo close to high-tension line, at this moment staff can also open intelligent movable mobile phone APP, far
Process control WirelessHD camera.Picture is real-time transmitted on mobile terminal by WiF module again, O&M powers personnel can
To monitor the actual conditions at scene in real time, so that targetedly reaching specified position carries out cleaning screen of trees.
To sum up, system provided in this embodiment has the advantages that
1, long-range monitoring, reduces human cost, can targetedly go the rounds, and improves the working efficiency of O&M teams and groups；2,
Using infrared emission inductive switch LX18-DJ30MNK sensor, detecting distance is long, and the range of monitoring is wide；3, barrier is leaned on
Closely prevent in advance, discovery in time and cleaning screen of trees can effectively reduce the number of the tripping of high-tension line；4, solar energy is utilized
Photovoltaic generating module, it is not necessary that in addition individually power supply provides electricity consumption, raising utilization rate of electrical；5, low manufacture cost, installation and tune
Examination is simple, practical, and the working efficiency of O&M teams and groups can be improved；6, the precision of infrared sensor detection is high, interference free performance
By force, the Different field working environment being adapted to；7, the workload for greatly reducing scene, lowers the risk of field operation, and
Application easy to spread.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
Speech, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration
?.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond scope of the present application.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Above to a kind of power grid obstacle monitoring device, electric power supervisory control main website and power grid obstacle provided herein
Method for early warning is described in detail.Specific case used herein explains the principle and embodiment of the application
It states, the description of the example is only used to help understand the method for the present application and its core ideas.It should be pointed out that for this skill
For the those of ordinary skill in art field, under the premise of not departing from the application principle, several change can also be carried out to the application
Into and modification, these improvement and modification also fall into the protection scope of the claim of this application.
Claims (10)
1. a kind of power grid obstacle monitoring device characterized by comprising
Microcontroller blocks signal for receiving, blocks whether signal disturbance in judgement object is less than at a distance from power grid according to described
Safe distance sends early warning order when barrier is less than safe distance at a distance from power grid；
It is connect with the microcontroller, the infrared emission induction for blocking signal described in the transmission when infrared ray is blocked is opened
It closes；
It connect with the microcontroller, for receiving the early warning order, the early warning order is sent in the form of short message
Wireless communication unit.
2. power grid obstacle monitoring device according to claim 1, which is characterized in that the wireless communication unit, comprising:
It is connect with the microcontroller, the serial communication subelement of the transmission early warning order for receiving the microcontroller；
It is connect with the serial communication subelement, the GSM subelement for sending the early warning order in the form of short message.
3. power grid obstacle monitoring device according to claim 1, which is characterized in that further include:
It is connect with the microcontroller, for obtaining the high-definition camera of power system monitor video.
4. power grid obstacle monitoring device according to claim 3, which is characterized in that further include:
It is connect with the microcontroller, for sending the WIFI module of the power system monitor video by WIFI.
5. power grid obstacle monitoring device according to claim 1, which is characterized in that further include:
It is connect with the microcontroller, the solar energy photovoltaic power generation module for being powered by solar energy to microcontroller.
6. power grid obstacle monitoring device according to claim 1, which is characterized in that the microcontroller is
STM32F101R6。
7. power grid obstacle monitoring device according to claim 1, which is characterized in that the infrared emission inductive switch is
LX18-DJ30MNK。
8. a kind of electric power supervisory control main website, which is characterized in that including power grid obstacle as described in any one of claim 1 to 7
Monitoring device；Wherein, the power grid obstacle monitoring device is connect with the controller of the electric power supervisory control main website.
9. a kind of power grid obstruction forewarning method characterized by comprising
Obtain the transmission of infrared emission inductive switch blocks signal；
Whether the duration that signal is blocked described in judgement is greater than the first preset duration；
When the duration for blocking signal is greater than first preset duration, judge to receive in the second preset duration
Whether the number for blocking signal is greater than preset times；
If so, sending pre-warning signal.
10. power grid obstruction forewarning method according to claim 1, which is characterized in that send pre-warning signal, comprising:
Pre-warning signal is sent by way of short message.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110661202A (en) * | 2019-10-14 | 2020-01-07 | 国网山东省电力公司潍坊供电公司 | Automatic detection device for wire |
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| CN112653831B (en) * | 2019-10-12 | 2022-06-24 | 青岛海信移动通信技术股份有限公司 | Photographing terminal and photographing control method |
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