CN107093306A - Electrokinetic cell method for early warning - Google Patents
Electrokinetic cell method for early warning Download PDFInfo
- Publication number
- CN107093306A CN107093306A CN201710247125.8A CN201710247125A CN107093306A CN 107093306 A CN107093306 A CN 107093306A CN 201710247125 A CN201710247125 A CN 201710247125A CN 107093306 A CN107093306 A CN 107093306A
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- China
- Prior art keywords
- electrokinetic cell
- management system
- battery management
- alarm
- fire
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000000779 smoke Substances 0.000 claims abstract description 31
- 230000002159 abnormal effect Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 4
- 239000000443 aerosol Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 238000004146 energy storage Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Secondary Cells (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Abstract
The invention discloses a kind of electrokinetic cell method for early warning, including the instrument board on automobile, including temperature sensor, Smoke Sensor, flame detector, alarm, fire extinguisher and battery management system, temperature sensor is contacted with the casing of electrokinetic cell, and Smoke Sensor and flame detector are close to electrokinetic cell, and temperature sensor, Smoke Sensor, flame detector, alarm and fire extinguisher are electrically connected with battery management system.The present invention has security good, the characteristics of reliability is high.
Description
Technical field
The present invention relates to power battery technology field, more particularly, to a kind of good electrokinetic cell method for early warning of security.
Background technology
Lithium-ion-power cell has been widely used in hand because service life length, energy storage density are big, advantages of environment protection
Machine, notebook computer, electric tool and other small-sized electric appliances.With the continuous hair of lithium-ion-power cell application technology in groups
Dynamic lithium battery used for electric vehicle is opened up as the new developing direction of lithium ion battery.Lithium-ion-power cell is used as electric automobile energy
Measuring storage device has higher energy storage energy, adds the continual mileage of electric automobile.And the longer cycle life of lithium battery
Energy storage device use time is set to meet the longer use time requirement of vehicle.
Domestic electric automobile enterprise has generally released the new energy vehicle using lithium-ion-power cell as energy storage device.
Lithium-ion-power cell is commonly used while, the problem of having leaked security performance cruelly, a lot of new-energy automobiles has occurred and has risen
Fiery accident.
The content of the invention
The goal of the invention of the present invention be in order to overcome lithium ion battery of the prior art hold it is ignitable it is not enough there is provided
A kind of good electrokinetic cell method for early warning of security.
To achieve these goals, the present invention uses following technical scheme：
A kind of electrokinetic cell method for early warning, including the instrument board on automobile, including temperature sensor, smog sensing
Device, flame detector, alarm, fire extinguisher and battery management system, temperature sensor are contacted with the casing of electrokinetic cell, smog
Sensor and flame detector are close to electrokinetic cell, temperature sensor, Smoke Sensor, flame detector, alarm and go out
Firearm is electrically connected with battery management system；
Comprise the following steps：
Temperature threshold W is provided with (1-1) battery management system, when the temperature that temperature sensor is detected is higher than W, cell tube
Reason system control electrokinetic cell reduction power output, alarm equipment alarm, instrument board display alarm icon；
(1-2) is higher than W, when Smoke Sensor detects smoke signal, battery management when the temperature that temperature sensor is detected
System control electrokinetic cell stops output, alarm equipment alarm, instrument board display alarm icon；
(1-3) is higher than W when the temperature that temperature sensor is detected, Smoke Sensor detects smoke signal, flame detector
When detecting flare up fire, battery management system control electrokinetic cell stops output, alarm equipment alarm, instrument board display alarm figure
Mark；Battery management system control fire extinguisher is opened, and electrokinetic cell is put out a fire.
The present invention for lithium ion power electrokinetic cell security performance it is poor easily there is catching fire the characteristics of, to lithium from
Sub- electrokinetic cell is monitored in real time, and the security incident that will occur is given warning in advance.In advance to human pilot and passenger
Warning reminding is carried out, accident vehicle is withdrawn for personnel and provides escape time.When there is pyrophoricity accident in lithium-ion-power cell
Control system puts out a fire automatic start extinguishing device to inside battery, spreading for control pyrophoricity accident, enters initial stage in accident
Row fire extinguishing.The safe and reliable operation of lithium-ion-power cell is ensure that, improves the riding experience of user, is lithium-ion-power cell
Potential safety hazard is eliminated in the application of electric automobile industry and other field.
The present invention carries out real-time monitoring analysis to electrokinetic cell status data without passing based on BMS (battery management system)
It is defeated.BMS has stronger data analysis and disposal ability, and abnormal data can be carried out to accurate analysis in real time, abnormal accident is judged
Warning level.Realize the real-time monitoring and the accurate early warning of the condition of a fire to lithium-ion-power cell abnormal data.BMS passes through CAN simultaneously
The condition of a fire can be reported monitor supervision platform by network in time.Control module quantity is reduced, simplifies data transfer flow, adds fire extinguishing
The reliability of system, and extra mounting arrangements space need not be increased be easily installed and use.
Preferably, also including wireless transceiver and monitor supervision platform, wireless transceiver is electrically connected with battery management system, when
The temperature of temperature sensor detection detects smoke signal higher than W, Smoke Sensor and flame detector detects flame letter
Number when, battery management system control wireless transceiver warning message is sent to monitor supervision platform, monitor supervision platform records the condition of a fire
Time, alarm signal is sent to staff, staff is handled.
Preferably, alarm includes buzzer and alarm lamp, buzzer and alarm lamp are electrically connected with battery management system
Connect；For reminding driver and passenger, which there is exception, in electrokinetic cell to be withdrawn as early as possible.
Preferably, the fire extinguisher is aerosol fire extinguisher, fire extinguisher is located at the box house of electrokinetic cell, fire extinguisher
Electrokinetic cell internal flame is put out a fire, contains fire spreading, flame is extinguished in a short time and be difficult resume combustion.
Preferably, also including the voltmeter for being used to measure electrokinetic cell voltage, voltmeter is electrically connected with battery management system
Connect；
Step (1-3) is replaced by following steps：
When the temperature that temperature sensor is detected is higher than W, Smoke Sensor detects smoke signal, and flame detector is detected
Flare up fire, when voltmeter detects the voltage instantaneous reduction of electrokinetic cell, battery management system control electrokinetic cell stops defeated
Go out, alarm equipment alarm, instrument board display alarm icon；Battery management system control fire extinguisher is opened, and electrokinetic cell is gone out
Fire.
Preferably, also comprising the following steps：
Battery management system chooses the current slot A1 and previous period B1 that temperature sensor detects signal, each
There is n detected value in period,
Setting time section A1 detected value is xi, period B1 each detected value is yi, i=1,2 ..., n；
Utilize formulaCalculate the similarity of two period correspondence detected values；
If si＜ 1, then will be with siCorresponding yiDelete；Wherein,For the average value of all detected values in period A1,It is
The average value of all detected values in period B1, battery management system calculates remaining y in period B1iAverage value is obtained, will
The detection temperature value that average value is exported as temperature sensor.
Therefore, the present invention has the advantages that：Security is good, and reliability is high, and real-time is good, is the people of driver and crew
Body safely provides Reliable guarantee.
Brief description of the drawings
Fig. 1 is a kind of theory diagram of the present invention；
Fig. 2 is a kind of flow chart of the present invention.
In figure：Instrument board 1, temperature sensor 2, Smoke Sensor 3, flame detector 4, alarm 5, fire extinguisher 6, battery
Management system 7, wireless transceiver 8, monitor supervision platform 9, voltmeter 10.
Embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
Embodiment 1
Embodiment as shown in Figure 1 is a kind of electrokinetic cell method for early warning, including the instrument board 1 on automobile, including
Temperature sensor 2, Smoke Sensor 3, flame detector 4, alarm 5, fire extinguisher 6 and battery management system 7, temperature sensor
Contacted with the casing of electrokinetic cell, Smoke Sensor and flame detector are close to electrokinetic cell, temperature sensor, smog sensing
Device, flame detector, alarm and fire extinguisher are electrically connected with battery management system；Also include wireless transceiver 8 and monitoring is flat
Platform 9, wireless transceiver is electrically connected with battery management system；
As shown in Fig. 2 comprising the following steps：
Step 100, one-level is alarmed
Temperature threshold W is provided with battery management system, when the temperature that temperature sensor is detected is higher than W, battery management system
System control electrokinetic cell reduction power output, alarm equipment alarm, instrument board display alarm icon；
Step 200, secondary alarm
When the temperature that temperature sensor is detected is higher than W, when Smoke Sensor detects smoke signal, battery management system control
Brake force battery stops output, alarm equipment alarm, instrument board display alarm icon；
Step 300, three-level is alarmed
When the temperature that temperature sensor is detected is higher than W, Smoke Sensor detects smoke signal, and flame detector is detected
During flare up fire, battery management system control electrokinetic cell stops output, alarm equipment alarm, instrument board display alarm icon；Electricity
Pond management system control fire extinguisher is opened, and electrokinetic cell is put out a fire；Battery management system control wireless transceiver will alarm
Information is sent to monitor supervision platform, and monitor supervision platform record condition of a fire time of origin sends alarm signal, staff enters to staff
Row processing.
Alarm includes buzzer and alarm lamp；For reminding driver and passenger, there is abnormal need as early as possible in electrokinetic cell
Withdraw.
Fire extinguisher is aerosol fire extinguisher, and fire extinguisher is located at the box house of electrokinetic cell, and fire extinguisher is in electrokinetic cell
Portion's flame is put out a fire, and is contained fire spreading, flame is extinguished in a short time and be difficult resume combustion.
Embodiment 2
Embodiment 2 includes all structures and the method part of embodiment 1, as shown in figure 1, embodiment 2 also includes being used to survey
The voltmeter 10 of electrokinetic cell voltage is measured, voltmeter is electrically connected with battery management system；
The step 300 of embodiment 1, is replaced by following steps：
When the temperature that temperature sensor is detected is higher than W, Smoke Sensor detects smoke signal, and flame detector is detected
Flare up fire, when voltmeter detects the voltage instantaneous reduction of electrokinetic cell, battery management system control electrokinetic cell stops defeated
Go out, alarm equipment alarm, instrument board display alarm icon；Battery management system control fire extinguisher is opened, and electrokinetic cell is gone out
Fire.
Embodiment 3
Embodiment 3 includes all structures and the method part of embodiment 1, also comprises the following steps：
Battery management system chooses the current slot A1 and previous period B1 that temperature sensor detects signal, each
There is n detected value in period,
Setting time section A1 detected value is xi, period B1 each detected value is yi, i=1,2 ..., n；N=60,
A1 and B1 are 1 minute.
Utilize formulaCalculate the similarity of two period correspondence detected values；
If si＜ 1, then will be with siCorresponding yiDelete；Wherein,For the average value of all detected values in period A1,It is
The average value of all detected values in period B1, battery management system calculates remaining y in period B1iAverage value is obtained, will
The detection temperature value that average value is exported as temperature sensor.
It should be understood that the present embodiment is only illustrative of the invention and is not intended to limit the scope of the invention.In addition, it is to be understood that
Read after the content of the invention lectured, those skilled in the art can make various changes or modifications to the present invention, these etc.
Valency form equally falls within the application appended claims limited range.
Claims (6)
1. a kind of electrokinetic cell method for early warning, including the instrument board (1) on automobile, it is characterized in that, including temperature sensor
(2), Smoke Sensor (3), flame detector (4), alarm (5), fire extinguisher (6) and battery management system (7), TEMP
Device is contacted with the casing of electrokinetic cell, and Smoke Sensor and flame detector are close to electrokinetic cell, and temperature sensor, smog are passed
Sensor, flame detector, alarm and fire extinguisher are electrically connected with battery management system；
Comprise the following steps：
Temperature threshold W is provided with (1-1) battery management system, when the temperature that temperature sensor is detected is higher than W, battery management system
System control electrokinetic cell reduction power output, alarm equipment alarm, instrument board display alarm icon；
(1-2) is higher than W, when Smoke Sensor detects smoke signal, battery management system when the temperature that temperature sensor is detected
Electrokinetic cell is controlled to stop output, alarm equipment alarm, instrument board display alarm icon；
(1-3) is higher than W when the temperature that temperature sensor is detected, Smoke Sensor detects smoke signal, flame detector detection
During to flare up fire, battery management system control electrokinetic cell stops output, alarm equipment alarm, instrument board display alarm icon；
Battery management system control fire extinguisher is opened, and electrokinetic cell is put out a fire.
2. electrokinetic cell method for early warning according to claim 1, it is characterized in that, in addition to wireless transceiver (8) and monitoring
Platform (9), wireless transceiver is electrically connected with battery management system, when the temperature that temperature sensor is detected is higher than W, Smoke Sensor
Detect smoke signal and when flame detector detects flare up fire, battery management system control wireless transceiver will alarm
Information is sent to monitor supervision platform, and monitor supervision platform record condition of a fire time of origin sends alarm signal, staff enters to staff
Row processing.
3. electrokinetic cell method for early warning according to claim 1, it is characterized in that, alarm includes buzzer and alarm lamp,
Buzzer and alarm lamp are electrically connected with battery management system；For reminding driver and passenger, there is abnormal need in electrokinetic cell
Withdraw as early as possible.
4. electrokinetic cell method for early warning according to claim 1, it is characterized in that, the fire extinguisher is aerosol fire extinguisher,
Fire extinguisher is located at the box house of electrokinetic cell, and fire extinguisher is put out a fire to electrokinetic cell internal flame, contains fire spreading, makes
Flame is extinguished and is difficult resume combustion in a short time.
5. electrokinetic cell method for early warning according to claim 1, it is characterized in that, in addition to for measuring electrokinetic cell voltage
Voltmeter (10), voltmeter is electrically connected with battery management system；
Step (1-3) is replaced by following steps：
When the temperature that temperature sensor is detected is higher than W, Smoke Sensor detects smoke signal, and flame detector detects flame
Signal, when voltmeter detects the voltage instantaneous reduction of electrokinetic cell, battery management system control electrokinetic cell stops output, report
Alert device alarm, instrument board display alarm icon；Battery management system control fire extinguisher is opened, and electrokinetic cell is put out a fire.
6. the electrokinetic cell method for early warning according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that, in addition to following step
Suddenly：
Battery management system chooses the current slot A1 and previous period B1 that temperature sensor detects signal, each time
There is n detected value in section,
Setting time section A1 detected value is xi, period B1 each detected value is yi, i=1,2 ..., n；
Utilize formulaCalculate the similarity of two period correspondence detected values；
If si＜ 1, then will be with siCorresponding yiDelete；Wherein,For the average value of all detected values in period A1,It is the time
The average value of all detected values in section B1, battery management system calculates remaining y in period B1iAverage value is obtained, will be average
The detection temperature value that value is exported as temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710247125.8A CN107093306A (en) | 2017-04-14 | 2017-04-14 | Electrokinetic cell method for early warning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710247125.8A CN107093306A (en) | 2017-04-14 | 2017-04-14 | Electrokinetic cell method for early warning |
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| Publication Number | Publication Date |
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| CN107093306A true CN107093306A (en) | 2017-08-25 |
Family
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| CN201710247125.8A Pending CN107093306A (en) | 2017-04-14 | 2017-04-14 | Electrokinetic cell method for early warning |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172731A (en) * | 2018-02-09 | 2018-06-15 | 广州中物高新科技有限公司 | Safe packaging, storing and transporting box for power battery for new energy vehicle |
| CN108790828A (en) * | 2018-06-08 | 2018-11-13 | 吉林大学 | Electric vehicle fire behavior active response based on novel battery babinet and auxiliary self-rescue system |
| CN109050330A (en) * | 2018-09-21 | 2018-12-21 | 中车资阳机车有限公司 | A kind of locomotive vehicle-mounted power battery pack fire safety control system and method |
| CN109167106A (en) * | 2018-08-13 | 2019-01-08 | 深圳康普盾科技股份有限公司 | The retired power battery security alarm system and method for communication base station |
| CN110797594A (en) * | 2019-11-07 | 2020-02-14 | 应急管理部天津消防研究所 | Quantitative early warning and display method for electric vehicle power battery fire |
| CN111450448A (en) * | 2020-02-13 | 2020-07-28 | 江苏大学 | Automatic fire extinguishing device for new energy automobile power battery system based on multi-source information detection and control method |
| CN111497743A (en) * | 2020-04-29 | 2020-08-07 | 江西凯马百路佳客车有限公司 | New energy automobile fire early warning control strategy |
| CN111645597A (en) * | 2020-05-27 | 2020-09-11 | 安徽安凯汽车股份有限公司 | Intelligent passenger car cabin temperature alarm system and passenger car |
| CN112161712A (en) * | 2020-09-29 | 2021-01-01 | 上海汽车工业(集团)总公司 | All-weather temperature monitoring system for electric automobile |
| CN112309069A (en) * | 2020-10-19 | 2021-02-02 | 格林美（武汉）新能源汽车服务有限公司 | Fire early warning method, device and system for lithium battery pack and storage medium |
| CN112504332A (en) * | 2020-10-16 | 2021-03-16 | 安徽中科中涣防务装备技术有限公司 | Composite sensing detection and intelligent control method, system and device |
| CN113745677A (en) * | 2021-08-27 | 2021-12-03 | 广东电网有限责任公司 | Unmanned aerial vehicle patrols and examines operation equipment |
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| CN205549285U (en) * | 2016-04-22 | 2016-09-07 | 厦门乐创智联科技有限公司 | Intelligent fire early warning and automatic fire extinguishing device for vehicle engine bin or power battery bin |
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| US20140152445A1 (en) * | 2012-12-03 | 2014-06-05 | Samsung Sdi Co., Ltd. | Warning system for monitoring a vehicle battery |
| CN204118159U (en) * | 2014-10-20 | 2015-01-21 | 江西凯马百路佳客车有限公司 | Temperature monitoring and defence installation in battery, electrical store storehouse, the pure electric automobile of this device is installed |
| CN104537793A (en) * | 2015-01-05 | 2015-04-22 | 中通客车控股股份有限公司 | Temperature and smoke joint control fire extinguishing circuit for bus power battery cabin |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172731A (en) * | 2018-02-09 | 2018-06-15 | 广州中物高新科技有限公司 | Safe packaging, storing and transporting box for power battery for new energy vehicle |
| CN108790828A (en) * | 2018-06-08 | 2018-11-13 | 吉林大学 | Electric vehicle fire behavior active response based on novel battery babinet and auxiliary self-rescue system |
| CN109167106A (en) * | 2018-08-13 | 2019-01-08 | 深圳康普盾科技股份有限公司 | The retired power battery security alarm system and method for communication base station |
| CN109050330A (en) * | 2018-09-21 | 2018-12-21 | 中车资阳机车有限公司 | A kind of locomotive vehicle-mounted power battery pack fire safety control system and method |
| CN110797594B (en) * | 2019-11-07 | 2021-03-26 | 应急管理部天津消防研究所 | Electric vehicle power battery fire hazard quantitative early warning and display method |
| CN110797594A (en) * | 2019-11-07 | 2020-02-14 | 应急管理部天津消防研究所 | Quantitative early warning and display method for electric vehicle power battery fire |
| CN111450448A (en) * | 2020-02-13 | 2020-07-28 | 江苏大学 | Automatic fire extinguishing device for new energy automobile power battery system based on multi-source information detection and control method |
| CN111450448B (en) * | 2020-02-13 | 2021-08-03 | 江苏大学 | Automatic fire extinguishing device for new energy automobile power battery system based on multi-source information detection and control method |
| CN111497743A (en) * | 2020-04-29 | 2020-08-07 | 江西凯马百路佳客车有限公司 | New energy automobile fire early warning control strategy |
| CN111645597A (en) * | 2020-05-27 | 2020-09-11 | 安徽安凯汽车股份有限公司 | Intelligent passenger car cabin temperature alarm system and passenger car |
| CN112161712A (en) * | 2020-09-29 | 2021-01-01 | 上海汽车工业(集团)总公司 | All-weather temperature monitoring system for electric automobile |
| CN112504332A (en) * | 2020-10-16 | 2021-03-16 | 安徽中科中涣防务装备技术有限公司 | Composite sensing detection and intelligent control method, system and device |
| CN112309069A (en) * | 2020-10-19 | 2021-02-02 | 格林美（武汉）新能源汽车服务有限公司 | Fire early warning method, device and system for lithium battery pack and storage medium |
| CN113745677A (en) * | 2021-08-27 | 2021-12-03 | 广东电网有限责任公司 | Unmanned aerial vehicle patrols and examines operation equipment |
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