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
- Authority
- CN
- China
- Prior art keywords
- alarm
- management system
- power battery
- battery management
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000000779 smoke Substances 0.000 claims abstract description 33
- 238000001514 detection method Methods 0.000 claims description 18
- 238000012544 monitoring process Methods 0.000 claims description 14
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 239000000443 aerosol Substances 0.000 claims description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 13
- 229910001416 lithium ion Inorganic materials 0.000 description 13
- 238000004146 energy storage Methods 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device 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 invention relates to the technical field of power batteries, in particular to a power battery early warning method with good safety.
Background
Lithium ion power batteries have been widely used in mobile phones, notebook computers, power tools and other small electrical appliances due to their advantages of long service life, high energy storage density, environmental friendliness, etc. With the continuous development of the grouping application technology of the lithium ion power battery, the power lithium battery for the electric vehicle becomes a new development direction of the lithium ion battery. The lithium ion power battery has higher energy storage capacity as an energy storage device of the electric automobile, and the driving range of the electric automobile is increased. And the longer cycle life of the lithium battery enables the service time of the energy storage device to meet the longer service time requirement of the whole vehicle.
Domestic electric automobile enterprises have generally promoted new energy vehicles using lithium ion power batteries as energy storage devices. The lithium ion power battery is widely applied, meanwhile, the problem of safety performance is exposed, and more new energy vehicles have been in fire accidents.
Disclosure of Invention
The invention aims to overcome the defect that a lithium ion battery in the prior art is easy to catch fire, and provides a power battery early warning method with good safety.
In order to achieve the purpose, the invention adopts the following technical scheme:
a power battery early warning method comprises an instrument panel arranged on an automobile and comprising a temperature sensor, a smoke sensor, a flame detector, an alarm, a fire extinguisher and a battery management system, wherein the temperature sensor is in contact with a box body of a power battery;
the method comprises the following steps:
(1-1) a temperature threshold value W is arranged in the battery management system, when the temperature detected by the temperature sensor is higher than W, the battery management system controls the power battery to reduce the output power, the alarm gives an alarm, and an alarm icon is displayed on an instrument panel;
(1-2) when the temperature detected by the temperature sensor is higher than W and the smoke sensor detects a smoke signal, the battery management system controls the power battery to stop outputting, the alarm gives an alarm, and the instrument panel displays an alarm icon;
(1-3) when the temperature detected by the temperature sensor is higher than W, the smoke sensor detects smoke signals, the flame detector detects flame signals, the battery management system controls the power battery to stop outputting, the alarm gives an alarm, and the instrument panel displays alarm icons; the battery management system controls the fire extinguisher to be started to extinguish the fire of the power battery.
The invention aims at the characteristic that the power lithium ion power battery has poor safety performance and is easy to ignite and burn, and carries out real-time monitoring on the lithium ion power battery and early warning on safety accidents to be generated. The alarm reminding device can give an alarm to the driver and the passengers in advance, and provides the escape time for the people to evacuate the accident vehicle. When the lithium ion power battery has a combustion accident, the control system automatically starts the fire extinguishing device to extinguish the fire inside the battery, controls the spread of the combustion accident and extinguishes the fire at the initial stage of the accident. The safe and reliable operation of the lithium ion power battery is ensured, the driving experience of a user is improved, and potential safety hazards are eliminated for the application of the lithium ion power battery in the electric automobile industry and other fields.
The invention is based on a BMS (battery management system) to carry out real-time monitoring analysis on the state data of the power battery without transmission. BMS has stronger data analysis and throughput, can carry out real-time accurate analysis with unusual data, judges unusual accident early warning rank. The real-time monitoring of abnormal data of the lithium ion power battery and the accurate early warning of fire are realized. Meanwhile, the BMS CAN report the fire to the monitoring platform in time through the CAN network. The number of control modules is reduced, the data transmission flow is simplified, the reliability of the fire extinguishing system is improved, and additional installation and arrangement space is not required to be added, so that the fire extinguishing system is convenient to install and use.
Preferably, the monitoring device further comprises a wireless transceiver and a monitoring platform, the wireless transceiver is electrically connected with the battery management system, when the temperature detected by the temperature sensor is higher than W, the smoke sensor detects smoke signals and the flame detector detects flame signals, the battery management system controls the wireless transceiver to send alarm information to the monitoring platform, the monitoring platform records the time of occurrence of fire, an alarm signal is sent to a worker, and the worker processes the alarm signal.
Preferably, the alarm comprises a buzzer and an alarm lamp, and the buzzer and the alarm lamp are both electrically connected with the battery management system; the device is used for reminding a driver and passengers that the power battery is abnormal and needs to be evacuated as soon as possible.
Preferably, the fire extinguisher is an aerosol fire extinguisher, is arranged in the box body of the power battery and is used for extinguishing the flame in the power battery to suppress the spread of fire, so that the flame is extinguished in a short time and is not easy to re-ignite.
Preferably, the system also comprises a voltmeter used for measuring the voltage of the power battery, and the voltmeter is electrically connected with the battery management system;
the steps (1-3) are replaced by the following steps:
when the temperature detected by the temperature sensor is higher than W, the smoke sensor detects a smoke signal, the flame detector detects a flame signal, and the voltmeter detects that the voltage of the power battery is instantly reduced, the battery management system controls the power battery to stop outputting, the alarm gives an alarm, and the instrument panel displays an alarm icon; the battery management system controls the fire extinguisher to be started to extinguish the fire of the power battery.
Preferably, the method further comprises the following steps:
the battery management system selects a current time period A1 and a previous time period B1 of the detection signal of the temperature sensor, n detection values in each time period,
the detection value of the set time period A1 is xiEach detection value of the period B1 is yi，i＝1，2，...，n；
Using formulasCalculating the similarity of the detection values corresponding to the two time periods;
if siIf < 1, will be compared with siCorresponding to yiDeleting; wherein,is the average of all the detected values in the time period a1,is the average of all the detected values in the time period B1, and the battery management system calculates the remaining y in the time period B1iAnd obtaining an average value, and taking the average value as a detection temperature value output by the temperature sensor.
Therefore, the invention has the following beneficial effects: the safety, the reliability and the real-time performance are good, and reliable guarantee is provided for the personal safety of drivers and passengers.
Drawings
FIG. 1 is a functional block diagram of the present invention;
fig. 2 is a flow chart of the present invention.
In the figure: the device comprises an instrument panel 1, a temperature sensor 2, a smoke sensor 3, a flame detector 4, an alarm 5, a fire extinguisher 6, a battery management system 7, a wireless transceiver 8, a monitoring platform 9 and a voltmeter 10.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
Example 1
The embodiment shown in fig. 1 is a power battery early warning method, which comprises an instrument panel 1 arranged on an automobile and comprising a temperature sensor 2, a smoke sensor 3, a flame detector 4, an alarm 5, a fire extinguisher 6 and a battery management system 7, wherein the temperature sensor is in contact with a box body of a power battery, the smoke sensor and the flame detector are both close to the power battery, and the temperature sensor, the smoke sensor, the flame detector, the alarm and the fire extinguisher are all electrically connected with the battery management system; the system also comprises a wireless transceiver 8 and a monitoring platform 9, wherein the wireless transceiver is electrically connected with the battery management system;
as shown in fig. 2, the method comprises the following steps:
step 100, first-level alarm
A temperature threshold value W is set in the battery management system, when the temperature detected by the temperature sensor is higher than W, the battery management system controls the power battery to reduce the output power, the alarm gives an alarm, and the instrument panel displays an alarm icon;
step 200, secondary alarm
When the temperature detected by the temperature sensor is higher than W and the smoke sensor detects a smoke signal, the battery management system controls the power battery to stop outputting, the alarm gives an alarm, and the instrument panel displays an alarm icon;
step 300, three-level alarm
When the temperature detected by the temperature sensor is higher than W, the smoke sensor detects smoke signals, and the flame detector detects flame signals, the battery management system controls the power battery to stop outputting, the alarm gives an alarm, and the instrument panel displays alarm icons; the battery management system controls the fire extinguisher to be started to extinguish the fire of the power battery; the battery management system controls the wireless transceiver to send the alarm information to the monitoring platform, the monitoring platform records the time of occurrence of the fire, an alarm signal is sent to a worker, and the worker processes the alarm signal.
The alarm comprises a buzzer and an alarm lamp; the device is used for reminding a driver and passengers that the power battery is abnormal and needs to be evacuated as soon as possible.
The fire extinguisher is an aerosol fire extinguisher, is arranged in the box body of the power battery and is used for extinguishing the flame in the power battery to restrain the spread of fire, so that the flame is extinguished in a short time and is not easy to re-ignite.
Example 2
Embodiment 2 includes all the structure and method parts of embodiment 1, as shown in fig. 1, embodiment 2 further includes a voltmeter 10 for measuring the voltage of the power battery, the voltmeter is electrically connected with the battery management system;
step 300 of example 1, replaced by the following steps:
when the temperature detected by the temperature sensor is higher than W, the smoke sensor detects a smoke signal, the flame detector detects a flame signal, and the voltmeter detects that the voltage of the power battery is instantly reduced, the battery management system controls the power battery to stop outputting, the alarm gives an alarm, and the instrument panel displays an alarm icon; the battery management system controls the fire extinguisher to be started to extinguish the fire of the power battery.
Example 3
Embodiment 3 includes all the structure and method parts of embodiment 1, further including the steps of:
the battery management system selects a current time period A1 and a previous time period B1 of the detection signal of the temperature sensor, n detection values in each time period,
the detection value of the set time period A1 is xiEach detection value of the period B1 is yi1, 2, ·, n; n-60, a1 and B1 were both 1 minute.
Using formulasCalculating the similarity of the detection values corresponding to the two time periods;
if siIf < 1, will be compared with siCorresponding to yiDeleting; wherein,is the average of all the detected values in the time period a1,is the average of all the detected values in the time period B1, and the battery management system calculates the remaining y in the time period B1iAnd obtaining an average value, and taking the average value as a detection temperature value output by the temperature sensor.
It should be understood that this example is for illustrative purposes only and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (6)
1. A power battery early warning method comprises an instrument panel (1) arranged on an automobile and is characterized by comprising a temperature sensor (2), a smoke sensor (3), a flame detector (4), an alarm (5), a fire extinguisher (6) and a battery management system (7), wherein the temperature sensor is in contact with a box body of a power battery, the smoke sensor and the flame detector are close to the power battery, and the temperature sensor, the smoke sensor, the flame detector, the alarm and the fire extinguisher are electrically connected with the battery management system;
the method comprises the following steps:
(1-1) a temperature threshold value W is arranged in the battery management system, when the temperature detected by the temperature sensor is higher than W, the battery management system controls the power battery to reduce the output power, the alarm gives an alarm, and an alarm icon is displayed on an instrument panel;
(1-2) when the temperature detected by the temperature sensor is higher than W and the smoke sensor detects a smoke signal, the battery management system controls the power battery to stop outputting, the alarm gives an alarm, and the instrument panel displays an alarm icon;
(1-3) when the temperature detected by the temperature sensor is higher than W, the smoke sensor detects smoke signals, the flame detector detects flame signals, the battery management system controls the power battery to stop outputting, the alarm gives an alarm, and the instrument panel displays alarm icons; the battery management system controls the fire extinguisher to be started to extinguish the fire of the power battery.
2. The power battery early warning method as claimed in claim 1, characterized by further comprising a wireless transceiver (8) and a monitoring platform (9), wherein the wireless transceiver is electrically connected with the battery management system, when the temperature detected by the temperature sensor is higher than W, the smoke sensor detects smoke signals and the flame detector detects flame signals, the battery management system controls the wireless transceiver to send alarm information to the monitoring platform, and the monitoring platform records the occurrence time of fire and sends an alarm signal to workers for the workers to process.
3. The power battery early warning method according to claim 1, wherein the alarm comprises a buzzer and an alarm lamp, both of which are electrically connected with the battery management system; the device is used for reminding a driver and passengers that the power battery is abnormal and needs to be evacuated as soon as possible.
4. The power battery early warning method as claimed in claim 1, wherein the fire extinguisher is an aerosol fire extinguisher, the fire extinguisher is arranged inside a box body of the power battery, and the fire extinguisher extinguishes flames inside the power battery to suppress fire spread, so that the flames are extinguished in a short time and are not easy to reignite.
5. The power battery early warning method as claimed in claim 1, further comprising a voltmeter (10) for measuring the voltage of the power battery, wherein the voltmeter is electrically connected with the battery management system;
the steps (1-3) are replaced by the following steps:
when the temperature detected by the temperature sensor is higher than W, the smoke sensor detects a smoke signal, the flame detector detects a flame signal, and the voltmeter detects that the voltage of the power battery is instantly reduced, the battery management system controls the power battery to stop outputting, the alarm gives an alarm, and the instrument panel displays an alarm icon; the battery management system controls the fire extinguisher to be started to extinguish the fire of the power battery.
6. The early warning method for the power battery according to the claim 1, 2, 3, 4 or 5, which is characterized by further comprising the following steps:
the battery management system selects a current time period A1 and a previous time period B1 of the detection signal of the temperature sensor, n detection values in each time period,
the detection value of the set time period A1 is xiEach detection value of the period B1 is yi，i＝1，2，...，n；
Using formulasCalculating the similarity of the detection values corresponding to the two time periods;
if siIf < 1, will be compared with siCorresponding to yiDeleting; wherein,is the average of all the detected values in the time period a1,is the average of all the detected values in the time period B1, and the battery management system calculates the remaining y in the time period B1iAnd obtaining an average value, and taking the average value as a detection temperature value output by the 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107093306A true CN107093306A (en) | 2017-08-25 |
Family
ID=59637601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710247125.8A Pending CN107093306A (en) | 2017-04-14 | 2017-04-14 | Electrokinetic cell method for early warning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107093306A (en) |
Cited By (13)
| 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 |
| CN116052364A (en) * | 2022-12-29 | 2023-05-02 | 苏州珀斯方得电子有限公司 | Fire identification device, identification method and fire alarm |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN106345086A (en) * | 2016-10-10 | 2017-01-25 | 江苏鸿鹄电子科技有限公司 | New-energy automobile power battery security system |
-
2017
- 2017-04-14 CN CN201710247125.8A patent/CN107093306A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN106345086A (en) * | 2016-10-10 | 2017-01-25 | 江苏鸿鹄电子科技有限公司 | New-energy automobile power battery security system |
Cited By (15)
| 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 |
| CN116052364A (en) * | 2022-12-29 | 2023-05-02 | 苏州珀斯方得电子有限公司 | Fire identification device, identification method and fire alarm |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107093306A (en) | Electrokinetic cell method for early warning | |
| CN112886082B (en) | Power battery thermal runaway early warning method and device, electronic equipment and medium | |
| CN107611513B (en) | Method for monitoring thermal runaway of lithium ion battery of electric automobile | |
| US10302703B2 (en) | Lithium-ion battery safety monitoring | |
| CN106597299B (en) | A kind of lithium battery thermal runaway early warning and autocontrol method | |
| CN110635182B (en) | Battery thermal runaway early warning method and device, electronic equipment and storage medium | |
| CN110911772A (en) | Early warning method for thermal runaway of power lithium ion battery | |
| US9046580B2 (en) | Battery thermal event detection system utilizing battery pack isolation monitoring | |
| US8313850B1 (en) | Method for detecting battery thermal events via battery pack pressure monitoring | |
| Shan et al. | Explosion behavior investigation and safety assessment of large-format lithium-ion pouch cells | |
| CN106823198A (en) | A kind of lithium battery box extinguishing method | |
| CN104062924B (en) | Early warning method and system and air conditioner | |
| CN111942217A (en) | Battery monitoring method, device and system and vehicle | |
| CN205646043U (en) | Automotive power lithium battery box with initiative safety coefficient | |
| WO2023097507A1 (en) | Battery safety early warning method and apparatus | |
| CN113625692A (en) | Electric automobile battery security inspection system based on fault injection | |
| CN118299684A (en) | Power battery thermal runaway early warning system and method | |
| Wang et al. | [Retracted] Research on the Early Warning Mechanism for Thermal Runaway of Lithium‐Ion Power Batteries in Electric Vehicles | |
| CN109782184B (en) | Thermal runaway risk diagnosis method of Pack system and electronic equipment thereof | |
| CN116626492A (en) | Battery fault diagnosis method and device and vehicle | |
| CN216980663U (en) | New forms of energy electrodynamic force lithium cell safety precaution system | |
| CN113804855B (en) | Method and system for measuring overpressure of explosion shock waves of battery | |
| CN216139834U (en) | Vehicle early warning system and vehicle | |
| Cui et al. | Experimental analysis on comprehensive combustion performances of vehicle-level thermal runaway | |
| CN216389506U (en) | Battery management system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20190716 |
|
| AD01 | Patent right deemed abandoned |