CN110362528A - A kind of lightning arrestor movement data logging system and implementation method - Google Patents
A kind of lightning arrestor movement data logging system and implementation method Download PDFInfo
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- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 10
- 238000004146 energy storage Methods 0.000 claims description 79
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- 229910000838 Al alloy Inorganic materials 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/76—Architectures of general purpose stored program computers
- G06F15/78—Architectures of general purpose stored program computers comprising a single central processing unit
- G06F15/7807—System on chip, i.e. computer system on a single chip; System in package, i.e. computer system on one or more chips in a single package
- G06F15/7817—Specially adapted for signal processing, e.g. Harvard architectures
Abstract
The present invention relates to electronic technology fields, and in particular to a kind of lightning arrestor movement data logging system and implementation method, device include current sensor, signal amplification integration module, signal trigger recording module, processor, clock module, solar power supply circuit；Device records lightning arrestor movement information by the way of electric signal driving bistable relay movement, when bistable relay set, processor is waken up, and exits suspend mode standby mode, and lightning arrestor movement information recording and storage is stored, simultaneously, bistable relay is resetted, lightning arrestor movement triggers next time for waiting, and processor is transferred to standby dormant state again, entire recording process, device per treatment wake up the working time about one second.
Description
Technical field
The present invention relates to electronic technology fields, and in particular to a kind of lightning arrestor movement data logging system and implementation method.
Background technique
Arrester is very widely used in the power system, and arrester is the most common overvoltage protection in electric system
Device acts overvoltage energy of releasing by itself, protects electric power facility not by over-voltage protection.
Movement counter for lightning arrester is the key that arrester affiliated facility, its effect is to record the movement time of arrester
Number, be record arrester whether a archives of " to hilllock fulfilling ".When current progress Hyper-Voltage of Power Systems accident event investigation,
The action situation for having to understand fully arrester is moved since the movement counter for lightning arrester being widely used at present can not record arrester
Make the time, whether arrester acts also just at " unsolved mystery " when accident event occurs.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of lightning arrestor movement data logging system and implementation method, tools
Body technique scheme is as follows:
A kind of lightning arrestor movement data logging system, including current sensor, signal amplify integration module, signal trigger recording mould
Block, processor, clock module, solar power supply circuit；The signal trigger recording module includes bistable relay；
The current sensor is used for the current signal that arrester ground lead flows through；The signal amplification integration module is used for will
The current signal equal proportion of current sensor acquisition is converted to voltage signal；The signal trigger recording module is used for according to conversion
Voltage signal afterwards drives bistable relay set；The processor be used for record, store arrester action moment and
Bistable relay is resetted after lightning arrestor movement；The clock module is used to provide clock source for processor；The solar energy
Power supply circuit is used to provide power supply for device；The current sensor is socketed on arrester ground lead, the current sense
Device, signal amplification integration module, signal trigger recording module, processor are sequentially connected；The clock module, solar powered electricity
Road is connect with processor respectively.
It preferably, further include bluetooth module；The bluetooth module is connect with processor, for lightning-arrest to mobile terminal transmission
The action message of device records.
Preferably, the current sensor uses Rogowski coil sensor.
Preferably, the solar power supply circuit includes solar panel, super capacitor energy-storage module, lithium battery energy storage battery
Module, power management module, bluetooth monitoring modular；The solar panel is connect with super capacitor energy-storage module, described super
Grade capacitive energy storage module, lithium battery energy storage battery module are connect with power management module respectively；The super capacitor energy-storage module and lithium
The connection of battery energy storage module；The bluetooth monitoring modular respectively with super capacitor energy-storage module, lithium battery energy storage battery module, power supply pipe
Manage module connection；The super capacitor energy-storage module includes super capacitor；The lithium battery energy storage battery module includes lithium battery；
The solar panel inputs super capacitor energy-storage mould for converting solar energy into electrical energy, and by the electric energy after conversion
Block；The super capacitor energy-storage module for store electric energy and by power management module to small load equipment provide power supply or to
The charging of lithium battery energy storage battery module；The lithium battery energy storage battery module is greater than small load for the electric energy in super capacitor energy-storage module
It charges when the power consumption of equipment, passes through power management when super capacitor energy-storage module supplies the electric energy deficiency of small load equipment
Module discharges to small load equipment；The power management module is for controlling super capacitor energy-storage module and lithium battery energy storage battery module
Switching, and export stable voltage source；The bluetooth monitoring modular is for monitoring super capacitor energy-storage module, lithium battery energy storage battery
The state of module, and control the output of power management module.
Preferably, the solar panel is connect by anti-backflow diode with super capacitor energy-storage block coupled in series.
Preferably, the super capacitor energy-storage module further includes overvoltage protection diode；The super capacitor and over-voltage are protected
Protect diodes in parallel connection；For protecting super capacitor overvoltage breakdown, voltage protection value is the overvoltage protection diode
The voltage rating of super capacitor.
Preferably, the maximum power Pomax of the maximum charge power Pcmax of the super capacitor and small load equipment exists
Following relationship:
Pcmax>10*Pomax。
It preferably, further include switching tube；The switching tube is connect with power management module, for controlling the on-off of power supply.
A kind of implementation method of lightning arrestor movement data logging system, comprising the following steps:
S1: initializing processor and is in the standby state of suspend mode；
S2: when lightning arrestor movement, the electric current for flowing through down conductor is greater than 50A, and the duration, which is greater than 1 millisecond, to be triggered
The action message of arrester is recorded, the current signal that the arrester ground lead of current sensor acquisition at this time flows through；
S3: signal amplifies integration module and the current signal equal proportion that current sensor acquires is converted to voltage signal；
S4: signal trigger recording module drives bistable relay set according to the voltage signal after conversion；
S5: processor obtains clock source from clock module, and record stores the action moment of arrester and answers bistable relay
Position waits corresponding signal when lightning arrestor movement next time to drive set；Simultaneous processor enters dormant state simultaneously；
S6: processor receives the instruction of mobile terminal by bluetooth module, and lightning-arrest to mobile terminal transmission by bluetooth module
The action message of device records.
The invention has the benefit that current sensor of the invention uses flexible Luo-coil, frequency response range is wide,
The current measurement linearity is good, and installation is simple and convenient, and installation process only need to be by Rogowski coil ring set on down conductor, without stopping
Electricity installation and the wiring for dismantling arrester ground downlead, do not reduce the safe operation of arrester.
The present invention uses ultralow Consumption, is not necessarily to external power supply, and particularly, the lithium electricity of one piece of 3000mA can normal 3
Year or more, solar panel and super capacitor of the cooperation on machine box can reach long-term work requirement.
The present invention integration, ultralow Consumption, it is provided by the invention when not thering is breakdown current to flow through down conductor
System is in standby dormant state, and for operating current less than 300 microamperes, power consumption is less than the milliwatt of 3.3*0.3=0.99.
The present invention can accurate recording lightning arrestor movement time and accumulative action frequency, be arranged have temperature-compensating high-precision
Clock module, the cumulative errors time in year was less than 2.6 minutes.
System records lightning arrestor movement information, bistable state relay by the way of electric signal driving bistable relay movement
When device set, processor is waken up, and exits suspend mode standby mode, and lightning arrestor movement information recording and storage is stored, meanwhile, it is right
Bistable relay is resetted, and lightning arrestor movement triggers next time for waiting, and processor is transferred to standby dormant state again, entirely
Recording process, device per treatment wake up the working time about one second.
System uses the bluetooth module of low-power consumption, can be attached and download the movement letter of arrester by Bluetooth of mobile phone
Breath, communication distance are not less than 60 meters, it is convenient to read the lightning arrestor movement information for being installed on equal-height position on shaft tower.
Detailed description of the invention
Fig. 1 is a kind of lightning arrestor movement data logging system schematic diagram provided by the invention；
Fig. 2 is the basic circuit diagram that signal amplifies integration module；
Fig. 3 is the basic circuit diagram of signal trigger recording module；
Fig. 4 is the schematic illustration of solar power supply circuit；
Fig. 5 is the circuit diagram that solar panel is connect with super capacitor energy-storage module；
Fig. 6 is the circuit diagram of power management module；
Fig. 7 is the circuit diagram of bluetooth monitoring modular；
Fig. 8 is a kind of flow diagram of the implementation method of lightning arrestor movement data logging system.
Specific embodiment
In order to better understand the present invention, the present invention will be further explained below with reference to the attached drawings and specific examples:
A kind of lightning arrestor movement data logging system, including current sensor, signal amplify integration module, signal trigger recording mould
Block, processor, clock module, solar power supply circuit, bluetooth module；Device signal trigger recording module includes bistable state relay
Device.Device current sensor is used for the current signal that arrester ground lead flows through；Device signal amplification integration module is used for will
The voltage signal that the current signal equal proportion of current sensor acquisition is converted to；Device signal trigger recording module is used for basis and turns
Voltage signal after changing drives bistable relay set；De-vice processor is used to record, store the action moment of arrester simultaneously
Bistable relay is resetted after lightning arrestor movement；Device clock module is used to provide clock source for processor；The device sun
Energy power supply circuit is used to provide power supply for device；Device bluetooth module is used for the action message note to mobile terminal transmission arrester
Record.Device current sensor is socketed on arrester ground lead, and device current sensor, signal amplify integration module, signal
Trigger recording module, processor are sequentially connected；Device clock module, solar power supply circuit are connect with processor respectively；Device
Bluetooth module is connect with processor, mobile terminal.
Wherein, current sensor uses Rogowski coil sensor, and Rogowski coil is the air core coil of 2000 circles, frequency response
Range 0.1Hz ~ 3MHz can respond 50Hz power current and lightning wave pulse current simultaneously.
The small-signal that signal amplification integration module exports Rogowski coil current sensor, by first order operation amplifier
Device amplification, the second level operational amplifier integral after, current signal is converted to the voltage signal of 0 ~ 3V, schematic diagram as shown in Fig. 2,
Wherein second level operational amplifier uses LP358.
Signal trigger recording module includes bistable relay, and the current signal of input Rogowski coil sensor passes through signal
It is converted into voltage signal after amplification integration module processing, drives bistable relay action record to keep away according to the size of voltage signal
The movement of thunder device.The electric current for flowing through down conductor is greater than 50A, and it is lightning-arrest that the duration can carry out trigger recording greater than 1 millisecond
The action message of device.Schematic diagram is as shown in figure 3, the wherein model DS2E_SL2_DC3V of bistable relay.
Processor use embedded scm, model STM32L151, for recording, storing the action moment of arrester,
Bistable relay is resetted after lightning arrestor movement, is communicated with low-power consumption bluetooth module, with 4kB in embedded scm
Eeprom memory is stored using pop down mode, can store newest 200 lightning-arrester action recordings.
Clock module uses SD2501 module, and the cumulative errors time in year was less than 2.6 minutes.Bluetooth module uses low-power consumption
HC-42 bluetooth module is held in BLE4.2 bluetooth module, model remittance.
As shown in Figure 4-Figure 7, solar power supply circuit includes solar panel, super capacitor energy-storage module, lithium battery
Energy-storage module, power management module and bluetooth monitoring modular；Solar panel is stored up by anti-backflow diode and super capacitor
Energy block coupled in series connection, super capacitor energy-storage module, lithium battery energy storage battery module are connect with power management module respectively；Super capacitor
Energy-storage module is connect with lithium battery energy storage battery module；Lithium battery energy storage battery module includes lithium battery；Bluetooth monitoring modular respectively with it is super
Capacitive energy storage module, lithium battery energy storage battery module, power management module connection；Super capacitor energy-storage module includes super capacitor, mistake
Press protection diode；Super capacitor is connected in parallel with overvoltage protection diode；Overvoltage protection diode is for protecting super capacitor
Overvoltage is breakdown, and voltage protection value is the voltage rating of super capacitor.
Solar panel inputs super capacitor energy-storage mould for converting solar energy into electrical energy, and by the electric energy after conversion
Block；Super capacitor energy-storage module is for storing electric energy and being provided by power management module to lightning arrestor movement data logging system
Power supply charges to lithium battery energy storage battery module；Lithium battery energy storage battery module is greater than dress for the electric energy in super capacitor energy-storage module
It charges when the power consumption set, it is logical in the electric energy deficiency of super capacitor energy-storage module supply lightning arrestor movement data logging system
Power management module is crossed to discharge to lightning arrestor movement data logging system；Power management module is for controlling super capacitor energy-storage mould
The switching of block and lithium battery energy storage battery module, and export stable voltage source；Bluetooth monitoring modular is for monitoring super capacitor energy-storage
The state of module, lithium battery energy storage battery module, and control the output of power management module.It is connect using the AD sampling of bluetooth monitoring modular
Mouth and I/O interface, can effectively be monitored each state of solar power supply circuit, and the output of controllable power load.This
Select the voltage of super capacitor in invention, the pressure stabilizing output of the voltage of lithium battery and power management module as monitoring, control
Object, can also be as needed, the more monitoring objects of flexible configuration.
As shown in fig. 6, power management module with maintain regulated power supply output+5VD for control target, be provided simultaneously with overcurrent,
Input voltage+the VCC of the functions such as over-voltage, overheating protection, following (1) solar panel of main control strategies is greater than lithium battery
When pressure+Vbat, by+Vcc power input after power management module pressure stabilizing output+5VD.(2) the input electricity of solar panel
When pressure+VC is less than lithium battery voltage, lithium battery input+Vbat output+5VD power supply after power management module pressure stabilizing.(3) when too
When positive energy input voltage+Vcc is greater than lithium battery voltage+Vbat and lithium battery voltage is less than full charge pressure 4.2V, sun-generated electric power+
A part of Vcc is used to charge to lithium battery, must preferentially satisfaction+5VD regulated power supply export.
The capacity of super capacitor is it is ensured that the maximum charge power Pcmax of capacitor should be much larger than the maximum power of device
Pomax such as can get preferably by Pcmax > 10*Pomax as a result, when i.e. night can not collect solar energy, and most of electric energy is still
It is powered by super capacitor, can avoid lithium battery repeated charge.
Solar power supply circuit further includes switching tube；Switching tube is connect with power management module, for controlling the logical of power supply
Disconnected, bluetooth monitoring modular can be transmitted by wireless blue tooth, realize mobile terminal to electric energy, the lithium battery energy on super capacitor
Etc. states be monitored, the power supply of device is switched on or switched off by Bluetooth commands control switch pipe.
Wherein, anti-backflow diode uses Schottky diode IN5822, and overvoltage protection diode uses SMAJ6.0A, opens
The model IRF5210 of pipe is closed, bluetooth monitoring modular includes bluetooth module JDY-17.
The workflow of solar power supply circuit is as follows:
S1: solar panel collects solar energy and produces electricl energy the input super capacitor energy-storage module after anti-backflow diode.
S2: super capacitor energy-storage module receives the electric energy of solar panel input and makes the voltage Vc liter on super capacitor
It is high.
S3: power management module is used to manage the charge and discharge of super capacitor energy-storage module and lithium battery energy storage battery module, when too
When input voltage Vcc on positive energy solar panel is greater than the voltage Vbat of lithium battery, small load equipment is by super capacitor energy-storage module
Power supply, and if when the voltage Vbat of lithium battery is less than lithium battery fully charged ceiling voltage when Vmax, super capacitor energy-storage mould
The electric energy of block storage charges to lithium battery energy storage battery module, and the voltage Vc on super capacitor is restricted to close to the electricity on lithium battery
Press Vbat.
S4: when the electricity of the storage on lithium battery has been expired, and fully charged voltage reaches Vmax, lithium battery energy storage battery module is not
Receive the electric energy in super capacitor energy-storage module again；Super capacitor is persistently inputted in addition to powering load, solar panel
Electric energy can be such that the voltage Vc on super capacitor increases, when the voltage on super capacitor reaches the discharge voltage of overvoltage protection diode
When, extra electric energy carries out vent discharge by overvoltage protection diode over the ground, prevents super capacitor over-voltage breakdown.
S5: when solar panel is collected less than electric energy, super capacitor energy-storage module continues to lightning arrestor movement information
System power supply is recorded, until the voltage Vc on super capacitor is less than the voltage Vbat on lithium battery, power management module is switched to
Lithium battery energy storage battery module powers to lightning arrestor movement data logging system, it is ensured that the stable operation of device.
S6: bluetooth monitoring modular is activated by mobile terminal, and bluetooth monitoring modular is in super low-power consumption when not connected
Dormant state, Bluetooth power consumption only have tens microamperes, and mobile terminal passes through voltage, lithium battery of the bluetooth monitoring modular to super capacitor
Electricity, device payload size detected and acquire corresponding data.
Signal amplifies integration module, signal trigger recording module, processor, clock module, super capacitor energy-storage module, lithium
In in aluminium alloy signal box, carrying out waterproof and dampproof processing, signal box retains for battery energy storage module, power management module enclosed package
Four interfaces, i.e. current sensor access port, solar panel access port and bluetooth module antenna access port, bluetooth monitor mould
The access port of block.
As shown in figure 8, a kind of implementation method of lightning arrestor movement data logging system, comprising the following steps:
S1: initializing processor and is in the standby state of suspend mode；
S2: when lightning arrestor movement, the electric current for flowing through down conductor is greater than 50A, and the duration, which is greater than 1 millisecond, to be triggered
The action message of arrester is recorded, the current signal that the arrester ground lead of current sensor acquisition at this time flows through；
S3: signal amplifies integration module and the current signal equal proportion that current sensor acquires is converted to voltage signal；
S4: signal trigger recording module drives bistable relay set according to the voltage signal after conversion；
S5: processor obtains clock source from clock module, and record stores the action moment of arrester and answers bistable relay
Position waits corresponding signal when lightning arrestor movement next time to drive set；Simultaneous processor enters dormant state simultaneously；
S6: processor receives the instruction of mobile terminal by bluetooth module, and lightning-arrest to mobile terminal transmission by bluetooth module
The action message of device records.
The present invention is not limited to the specific embodiment of apparatus above, and apparatus above is only preferable case study on implementation of the invention
, it is not intended to limit the invention, any modification done within the spirit and principles of the present invention and changes equivalent replacement
Into etc., it should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of lightning arrestor movement data logging system, it is characterised in that: including current sensor, signal amplification integration module,
Signal trigger recording module, processor, clock module, solar power supply circuit；The signal trigger recording module includes bistable
State relay；
The current sensor is used for the current signal that arrester ground lead flows through；The signal amplification integration module is used for will
The current signal equal proportion of current sensor acquisition is converted to voltage signal；The signal trigger recording module is used for according to conversion
Voltage signal afterwards drives bistable relay set；The processor be used for record, store arrester action moment and
Bistable relay is resetted after lightning arrestor movement；The clock module is used to provide clock source for processor；The solar energy
Power supply circuit is used to provide power supply for device；The current sensor is socketed on arrester ground lead, the current sense
Device, signal amplification integration module, signal trigger recording module, processor are sequentially connected；The clock module, solar powered electricity
Road is connect with processor respectively.
2. a kind of lightning arrestor movement data logging system according to claim 1, it is characterised in that: further include bluetooth mould
Block；The bluetooth module is connect with processor, for the action message record to mobile terminal transmission arrester.
3. a kind of lightning arrestor movement data logging system according to claim 1, it is characterised in that: the current sensor
Using Rogowski coil sensor.
4. a kind of lightning arrestor movement data logging system according to claim 1, it is characterised in that: described solar powered
Circuit includes solar panel, super capacitor energy-storage module, lithium battery energy storage battery module, power management module, bluetooth monitoring mould
Block；The solar panel is connect with super capacitor energy-storage module, the super capacitor energy-storage module, lithium battery energy storage battery module
It is connect respectively with power management module；The super capacitor energy-storage module is connect with lithium battery energy storage battery module；The bluetooth monitoring
Module is connect with super capacitor energy-storage module, lithium battery energy storage battery module, power management module respectively；The super capacitor energy-storage mould
Block includes super capacitor；The lithium battery energy storage battery module includes lithium battery；
The solar panel inputs super capacitor energy-storage mould for converting solar energy into electrical energy, and by the electric energy after conversion
Block；The super capacitor energy-storage module for store electric energy and by power management module to small load equipment provide power supply or to
The charging of lithium battery energy storage battery module；The lithium battery energy storage battery module is greater than small load for the electric energy in super capacitor energy-storage module
It charges when the power consumption of equipment, passes through power management when super capacitor energy-storage module supplies the electric energy deficiency of small load equipment
Module discharges to small load equipment；The power management module is for controlling super capacitor energy-storage module and lithium battery energy storage battery module
Switching, and export stable voltage source；The bluetooth monitoring modular is for monitoring super capacitor energy-storage module, lithium battery energy storage battery
The state of module, and control the output of power management module.
5. a kind of lightning arrestor movement data logging system according to claim 4, it is characterised in that: the solar battery
Plate is connect by anti-backflow diode with super capacitor energy-storage block coupled in series.
6. a kind of lightning arrestor movement data logging system according to claim 4, it is characterised in that: the super capacitor storage
Energy module further includes overvoltage protection diode；The super capacitor is connected in parallel with overvoltage protection diode；The overvoltage protection
For diode for protecting super capacitor overvoltage breakdown, voltage protection value is the voltage rating of super capacitor.
7. a kind of lightning arrestor movement data logging system according to claim 4, it is characterised in that: the super capacitor
There are following relationships by the maximum power Pomax of maximum charge power Pcmax and small load equipment:
Pcmax>10*Pomax。
8. a kind of lightning arrestor movement data logging system according to claim 4, it is characterised in that: further include switching tube；
The switching tube is connect with power management module, for controlling the on-off of power supply.
9. based on a kind of implementation method of any lightning arrestor movement data logging system of claim 1-8, feature exists
In: the following steps are included:
S1: initializing processor and is in the standby state of suspend mode；
S2: when lightning arrestor movement, the electric current for flowing through down conductor is greater than 50A, and the duration, which is greater than 1 millisecond, to be triggered
The action message of arrester is recorded, the current signal that the arrester ground lead of current sensor acquisition at this time flows through；
S3: signal amplifies integration module and the current signal equal proportion that current sensor acquires is converted to voltage signal；
S4: signal trigger recording module drives bistable relay set according to the voltage signal after conversion；
S5: processor obtains clock source from clock module, and record stores the action moment of arrester and answers bistable relay
Position waits corresponding signal when lightning arrestor movement next time to drive set；Simultaneous processor enters dormant state simultaneously；
S6: processor receives the instruction of mobile terminal by bluetooth module, and lightning-arrest to mobile terminal transmission by bluetooth module
The action message of device records.
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| CN111289823A (en) * | 2020-03-02 | 2020-06-16 | 南京世都科技有限公司 | Lightning arrester monitoring device |
| CN112213664A (en) * | 2020-09-29 | 2021-01-12 | 国网陕西省电力公司咸阳供电公司 | Internal monitoring method and system for lightning arrester |
| CN113376470A (en) * | 2021-07-08 | 2021-09-10 | 广西电网有限责任公司电力科学研究院 | Remote monitoring system for running state of lightning protection device |
| CN113419127A (en) * | 2021-06-23 | 2021-09-21 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Lightning arrester state monitoring method, device, equipment and storage medium |
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| CN111289823A (en) * | 2020-03-02 | 2020-06-16 | 南京世都科技有限公司 | Lightning arrester monitoring device |
| CN112213664A (en) * | 2020-09-29 | 2021-01-12 | 国网陕西省电力公司咸阳供电公司 | Internal monitoring method and system for lightning arrester |
| CN113419127A (en) * | 2021-06-23 | 2021-09-21 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Lightning arrester state monitoring method, device, equipment and storage medium |
| CN113376470A (en) * | 2021-07-08 | 2021-09-10 | 广西电网有限责任公司电力科学研究院 | Remote monitoring system for running state of lightning protection device |
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