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 PDF

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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.)
Withdrawn
Application number
CN201711085561.6A
Other languages
Chinese (zh)
Inventor
孙鹏
胡次惠
李静
杨海军
张国
卢洪涛
华周发
蒋中林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Rubik's Cube Amperex Technology Ltd
Original Assignee
Shandong Rubik's Cube Amperex Technology Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong Rubik's Cube Amperex Technology Ltd filed Critical Shandong Rubik's Cube Amperex Technology Ltd
Priority to CN201711085561.6A priority Critical patent/CN107702753A/en
Publication of CN107702753A publication Critical patent/CN107702753A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/25Pc structure of the system
    • G05B2219/25033Pc structure of the system structure, control, syncronization, data, alarm, connect I-O line to interface
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/25Pc structure of the system
    • G05B2219/25257Microcontroller
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/26Pc applications
    • G05B2219/2637Vehicle, car, auto, wheelchair
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy 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

The safety monitoring device and its monitoring method of electrokinetic cell bag
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.
CN201711085561.6A 2017-11-07 2017-11-07 The safety monitoring device and its monitoring method of electrokinetic cell bag Withdrawn CN107702753A (en)

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
CN107702753A true CN107702753A (en) 2018-02-16

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Country Status (1)

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Cited By (5)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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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Application publication date: 20180216

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