CN107702753A - The safety monitoring device and its monitoring method of electrokinetic cell bag - Google Patents
The safety monitoring device and its monitoring method of electrokinetic cell bag Download PDFInfo
- Publication number
- CN107702753A CN107702753A CN201711085561.6A CN201711085561A CN107702753A CN 107702753 A CN107702753 A CN 107702753A CN 201711085561 A CN201711085561 A CN 201711085561A CN 107702753 A CN107702753 A CN 107702753A
- Authority
- CN
- China
- Prior art keywords
- sensor
- control unit
- bag
- electrokinetic cell
- micro control
- 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.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25033—Pc structure of the system structure, control, syncronization, data, alarm, connect I-O line to interface
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2637—Vehicle, car, auto, wheelchair
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The safety monitoring device of electrokinetic cell bag provided by the present invention, crash sensor including housing and in battery bag, angular transducer, humidity sensor, hydrogen gas sensor, pressure sensor, enclosure interior is provided with master control borad, master control borad includes power module, PCB connectors, micro control unit, Date Conversion Unit, power module connects micro control unit, crash sensor, angular transducer, humidity sensor, hydrogen gas sensor, fire detection alarm, crash sensor, pressure sensor is connected with PCB connectors respectively, PCB connectors connect micro control unit by Date Conversion Unit, smoke alarm is additionally provided with housing, smoke alarm is connected with micro control unit, the present invention also provides the monitoring method of the safety monitoring device of above-mentioned electrokinetic cell bag.The present invention can detect the safe condition of electrokinetic cell bag in real time, to reach the generation for preventing battery bag from the security incident such as burning or blast occurs, improve the purpose of safety guarantee.
Description
Technical field
The present invention relates to electrokinetic cell packet technology field, especially belongs to a kind of security monitoring suitable for electrokinetic cell bag
Device and its monitoring method.
Background technology
In order to solve energy crisis and environmental crisis, the high development of new energy industry has globalized, especially power electric
Pond extensive use on automobile.With being continuously increased for electric automobile recoverable amount, there is increasing electric automobile to participate in friendship
Among logical, inevitable electric automobile collision, security incident are consequently increased.Because electrokinetic cell energy density is high, voltage
Platform is high, using the reason such as organic electrolyte and specific both positive and negative polarity active material, so compared to conventional fuel oil automobile, electricity
Electrical automobile in the distinctive safety problem of many of collision process, such as electrokinetic cell may occur in collision process it is on fire very
Phenomena such as to blast, electrolyte leakage, high voltage short circuit.Therefore, the reliability of electrokinetic cell bag and security are most important.
At present, the safety protection function of cell management system of electric automobile mainly has overcurrent protection, super-charge super-discharge protection, mistake
Temperature protection etc., but battery bag collided, overturn etc. and protecting less be related to.Therefore, when battery bag collides, overturns
When, easily battery bag internal high pressure short circuit causes the major accident of burning on fire.
The content of the invention
The purpose of the present invention is to provide a kind of safety monitoring device and its monitoring method of electrokinetic cell bag, Neng Goushi
When detect electrokinetic cell bag safe condition, with reach prevent battery bag occur burning or blast etc. security incident generation,
Improve the purpose of safety guarantee.
The safety monitoring device of electrokinetic cell bag provided by the present invention, it is characterised in that including housing and be arranged on
Crash sensor, angular transducer, humidity sensor, hydrogen gas sensor, pressure sensor in battery bag, enclosure interior are provided with
Master control borad, master control borad include power module, PCB connectors, micro control unit, Date Conversion Unit, power module connection micro-control list
Member, crash sensor, angular transducer, humidity sensor, hydrogen gas sensor, fire detection alarm, crash sensor, pressure
Sensor is connected with PCB connectors respectively, and described PCB connectors connect micro control unit by Date Conversion Unit, described
Housing on be additionally provided with smoke alarm, smoke alarm is connected with micro control unit, wherein, hull outside is provided with early warning
Lamp and phonetic alarm, described early warning lamp and phonetic alarm are connected with micro control unit.
Further, enclosure interior is additionally provided with wireless communication module, and micro control unit is by wireless communication module, with outside
Battery management system is connected.
A kind of monitoring method of the safety monitoring device of electrokinetic cell bag provided by the present invention, it is characterised in that including
Following steps:
Step 1:Pass through the sensor in battery bag, including crash sensor, angular transducer, humidity sensor
Device, hydrogen gas sensor, fire detection alarm, crash sensor, pressure sensor, the safe shape of electrokinetic cell bag is detected in real time
State;
Step 2:Every safe condition of the electrokinetic cell bag collected by sensor, judges electric automobile phase indirectly
Vehicle-state in the case of answering, the signal that the sensor that electrokinetic cell is wrapped will collect, passes to micro control unit, micro control unit
By wireless communication module, outside battery management system is connected to;
Step 3:Impact strength is divided into battery management system into slight degree of crash and severe is collided, according to the letter of crash sensor
Number judge the grade of intensity, and take appropriate measures, if be judged as slight degree of crash, battery management system can cut off battery bag
Output circuit;If be judged as severe collision, battery management system can cut off the output circuit of battery bag, while trigger its control
The extinguishing device of system;And battery management system will be directed to every kind of detection signal and set threshold value, when the signal monitored is higher than this threshold
Value, battery management system cut off the High voltage output loop of battery bag by acting on relay.
The safety monitoring device and its monitoring method of electrokinetic cell bag provided by the present invention, can be dynamic by detecting in real time
The safe condition of power battery bag, indirectly judge whether electric automobile collides, overturn and battery bag inside humidity, pressure
Deng the signal that sensor is collected is delivered in micro control unit, and the signal after processing is passed through wireless telecommunications mould by micro control unit
Block, it is delivered in the battery management system of outside, outside battery management system and the upper early warning set of housing itself
Lamp and phonetic alarm, many safe early warnings, measure are taken in time, effectively prevent the burning or quick-fried of electrokinetic cell bag
The generation of the security incident such as fried.In summary, the present invention has practical, reliability high and improves the positive of safety guarantee
Effect.
Brief description of the drawings
Accompanying drawing part discloses the specific embodiment of the invention, wherein,
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the fundamental diagram of the present invention.
Embodiment
As Figure 1-Figure 2, the safety monitoring device and its monitoring method of electrokinetic cell bag provided by the present invention, including
Housing and crash sensor, angular transducer, humidity sensor, Smoke Sensor, hydrogen in battery bag sense
Device, pressure sensor.Enclosure interior is provided with master control borad, and master control borad includes power module, PCB connectors, micro control unit, data and turned
Change unit, power module connection micro control unit, crash sensor, angular transducer, humidity sensor, hydrogen gas sensor, smog
Sensor, pressure sensor are connected with PCB connectors respectively, and described PCB connectors are connected micro- by Date Conversion Unit
Control unit.In addition, enclosure interior is additionally provided with wireless communication module, micro control unit is by wireless communication module, the battery with outside
Management system is connected.Above-mentioned battery management system is the prior art directly used, by the way that the status signal of battery bag is passed
It is delivered in the battery management system of outside, battery bag management system takes a variety of safety in time according to the different conditions value of setting
Measure is protected, so as to effectively prevent the generation of the security incidents such as the burning of electrokinetic cell bag or blast.
In addition, hull outside is provided with early warning lamp and phonetic alarm, described early warning lamp and voice reporting
Alert device is connected with micro control unit, the safety precaution function set by housing itself so that the security protection to battery bag is more
Comprehensively.
Described crash sensor is in series by triggering crash sensor and protection crash sensor, triggers collision sensing
Device is used to detect impact strength and feedback signal, and protection crash sensor is used to prevent false positive signal;
Described angular transducer is used to detect the inclined angle of electric automobile, to judge whether electric automobile turns over
Turn;
Described hydrogen gas sensor is used for detecting whether have electrolyte leakage inside battery bag, can be decomposed after electrolyte leakage
Go out hydrogen, therefore the concentration for detecting hydrogen may determine that whether electrolyte leaks;
Described humidity sensor is used for the humidity for detecting inside battery;
Whether described Smoke Sensor is used to detect to burn inside battery bag;
Described pressure sensor is used to detect the gas pressure inside battery bag;
Described radio communication unit is made up of emitting portion and receiving portion, and emitting portion is single by coding unit and transmitting
Member composition, receiving portion are made up of receiving unit and decoding unit.
A kind of monitoring method of the safety monitoring system of electrokinetic cell bag provided by the present invention, specifically includes following step
Suddenly:
Step 1:Pass through the sensor in battery bag, including crash sensor, angular transducer, humidity sensor
Device, hydrogen gas sensor, the safe condition of crash sensor, in real time detection electrokinetic cell bag;
Step 2:Every safe condition of the electrokinetic cell bag collected by sensor, judges electric automobile phase indirectly
Vehicle-state in the case of answering, the signal that the sensor that electrokinetic cell is wrapped will collect, passes to micro control unit, micro control unit
By wireless communication module, the battery management system of outside is connected to, by the battery management system of outside, realizes electric automobile
Early warning and treatment measures;
Step 3:Impact strength is divided into battery management system into slight degree of crash and severe is collided, according to the letter of crash sensor
Number judge the grade of intensity, and take appropriate measures, if be judged as slight degree of crash, battery management system can cut off battery bag
Output circuit;If be judged as severe collision, battery management system can cut off the output circuit of battery bag, while trigger its control
The extinguishing device of system;And battery management system will be directed to every kind of detection signal and set threshold value, when the signal monitored is higher than this threshold
Value, battery management system cut off the High voltage output loop of battery bag by acting on relay.
Claims (3)
1. the safety monitoring device of electrokinetic cell bag, it is characterised in that the collision including housing and in battery bag passes
Sensor, angular transducer, humidity sensor, hydrogen gas sensor, pressure sensor, enclosure interior are provided with master control borad, master control borad bag
Include power module, PCB connectors, micro control unit, Date Conversion Unit, power module connection micro control unit, crash sensor, angle
Spend sensor, humidity sensor, hydrogen gas sensor, fire detection alarm, crash sensor, pressure sensor respectively with PCB
Connector is connected, and described PCB connectors connect micro control unit by Date Conversion Unit, and cigarette is additionally provided with described housing
Fog siren, smoke alarm are connected with micro control unit, wherein, hull outside is provided with early warning lamp and audio alert
Device, described early warning lamp and phonetic alarm are connected with micro control unit.
2. the safety monitoring device of electrokinetic cell bag according to claim 1, it is characterised in that enclosure interior is additionally provided with nothing
Line communication module, micro control unit are connected by wireless communication module with the battery management system of outside.
A kind of 3. monitoring method of the safety monitoring device of electrokinetic cell bag according to claim 1, it is characterised in that bag
Include following steps:
Step 1:Pass through the sensor in battery bag, including crash sensor, angular transducer, humidity sensor, hydrogen
Gas sensor, fire detection alarm, crash sensor, pressure sensor, the safe condition of electrokinetic cell bag is detected in real time;
Step 2:Every safe condition of the electrokinetic cell bag collected by sensor, the corresponding feelings of electric automobile are judged indirectly
Vehicle-state under condition, the signal that the sensor that electrokinetic cell is wrapped will collect pass to micro control unit, and micro control unit passes through
Wireless communication module, it is connected to the battery management system of outside;
Step 3:Impact strength is divided into battery management system into slight degree of crash and severe is collided, and is sentenced according to the signal of crash sensor
The grade of disconnected intensity, and take appropriate measures, if be judged as slight degree of crash, battery management system can cut off the defeated of battery bag
Go out circuit;If be judged as severe collision, battery management system can cut off the output circuit of battery bag, while trigger its control
Extinguishing device;It is electric when the signal monitored be higher than this threshold value and battery management system will be directed to every kind of detection signal and set threshold value
Pond management system cuts off the High voltage output loop of battery bag by acting on relay.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711085561.6A CN107702753A (en) | 2017-11-07 | 2017-11-07 | The safety monitoring device and its monitoring method of electrokinetic cell bag |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711085561.6A CN107702753A (en) | 2017-11-07 | 2017-11-07 | The safety monitoring device and its monitoring method of electrokinetic cell bag |
Publications (1)
Publication Number | Publication Date |
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CN107702753A true CN107702753A (en) | 2018-02-16 |
Family
ID=61179918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711085561.6A Withdrawn CN107702753A (en) | 2017-11-07 | 2017-11-07 | The safety monitoring device and its monitoring method of electrokinetic cell bag |
Country Status (1)
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CN (1) | CN107702753A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108767148A (en) * | 2018-04-12 | 2018-11-06 | 黄少君 | A kind of new energy car battery protective device |
CN109920197A (en) * | 2019-01-09 | 2019-06-21 | 中国电力科学研究院有限公司 | Fire-fighting prior-warning device and system for energy-accumulating power station |
WO2020019578A1 (en) * | 2018-07-27 | 2020-01-30 | 清华大学 | Battery fire early-warning system and method |
CN112421142A (en) * | 2020-11-12 | 2021-02-26 | 中国海洋大学 | Battery assembly and emergency alarm method for battery assembly |
CN113711073A (en) * | 2020-03-17 | 2021-11-26 | 株式会社Lg新能源 | Apparatus and method for predicting abnormal condition of battery and battery management system providing the same |
-
2017
- 2017-11-07 CN CN201711085561.6A patent/CN107702753A/en not_active Withdrawn
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108767148A (en) * | 2018-04-12 | 2018-11-06 | 黄少君 | A kind of new energy car battery protective device |
WO2020019578A1 (en) * | 2018-07-27 | 2020-01-30 | 清华大学 | Battery fire early-warning system and method |
CN109920197A (en) * | 2019-01-09 | 2019-06-21 | 中国电力科学研究院有限公司 | Fire-fighting prior-warning device and system for energy-accumulating power station |
CN113711073A (en) * | 2020-03-17 | 2021-11-26 | 株式会社Lg新能源 | Apparatus and method for predicting abnormal condition of battery and battery management system providing the same |
CN112421142A (en) * | 2020-11-12 | 2021-02-26 | 中国海洋大学 | Battery assembly and emergency alarm method for battery assembly |
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WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180216 |
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WW01 | Invention patent application withdrawn after publication |