CN107677966A - A kind of battery fire safety evaluating experimental system and experimental method using in-situ technique - Google Patents
A kind of battery fire safety evaluating experimental system and experimental method using in-situ technique Download PDFInfo
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- CN107677966A CN107677966A CN201710908357.3A CN201710908357A CN107677966A CN 107677966 A CN107677966 A CN 107677966A CN 201710908357 A CN201710908357 A CN 201710908357A CN 107677966 A CN107677966 A CN 107677966A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/003—Environmental or reliability tests
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
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Abstract
The present invention discloses a kind of battery fire safety evaluating experimental system and experimental method using in-situ technique, available for simulated battery overheat, overcharge with the Hot disaster event under loaded condition, and guide cell safety to design so as to be better understood from battery Hot disaster characteristic.Experiment porch realizes the mechanical load to the controllable stabilization of battery based on mechanics machine, and pass through the battery charging and discharging system of expansion, battery heating system, realize the over-charging of battery in identical platform, cross thermal condition, and stress, strain, thermal parameters, temperature, pressure, infrared thermal-image data, high speed imaging, the real-time monitoring of gas analysis data are completed using the in-situ technique of the present invention, the security of experimental system is improved using explosion-proof tank.
Description
Technical field
The present invention relates to lithium battery experiment test technical field, more particularly to a kind of battery fire using in-situ technique
Calamity safety experiment system, available for simulated battery overheat, overcharge with the Hot disaster event under loaded condition, so as to preferably managing
Electrolytic cell Hot disaster characteristic and guides cell safety to design.
Background technology
Under energy scarcity and the background of environmental pollution, electric automobile is fast-developing, has high-energy and power close
The lithium battery for the advantages that degree, cycle life are longer, high comprehensive performance, electric automobile is widely used in as electrokinetic cell
On.While the requirement to lithium battery performance and life-span increasingly improves, the fire safety of lithium battery is paid high attention to, its
Safety problem is to influence the key link of lithium battery development.
The fire safety evaluating accident of electric automobile in rapid succession, the bad condition such as collides, overcharged, overheating and being likely to cause electricity
The Hot disasters such as the short-circuit, on fire of pond, burning, blast.Especially on electric automobile, lithium battery uses in groups, lithium battery
Fire incident influences the battery around it, causes the fire safety evaluating accident of whole battery pack, causes the propagation of fire safety evaluating accident.
Because lithium battery is a complicated electro-chemical systems, during fire incident occurs, not only along with interior
The exothermic auxiliary reaction of short-circuit, the contained active material in portion, and battery energy instantaneous relase, has directly resulted in when fire occurs
Fire or blast.The fire safety of lithium battery is probed into, it is necessary to be carried out to its thermal characteristic, mechanical property, reactive kinetics parameters
Comprehensive measurement and assessment.
At present, it is no lack of Cell Experimentation An instrument both at home and abroad, such as circulating battery tester can probe into the discharge and recharge spy of battery
Property, impact testing machine can probe into response characteristic of the battery under mechanical load, and the heat that accelerating calorimeter can measure battery is anti-
Kinetic parameter is answered, and the gas for collecting cell reaction release carries out composition detection of battery, etc. using gas analyzer.
But still lacking the comprehensive battery fire safety evaluating research experiment system using in site measurement, this is to battery fire safety evaluating performance
Great limitation is probed into.
The content of the invention
The technology of the present invention solves problem：A kind of overcome the deficiencies in the prior art, there is provided battery using in-situ technique
Fire safety evaluating experimental system and experimental method, can simulated battery monomer or battery module overcharge, overheat, the abuse bar of stand under load
Caused Hot disaster phenomenon under part, realize mechanical characteristic, thermal characteristic, reaction power of the battery during fire incident occurs
Learn the in site measurement of parameter.
The technical solution adopted by the present invention is：A kind of battery fire safety evaluating experimental system using in-situ technique, its
Feature is：The platform based on mechanics machine, mechanics machine have transmission mechanism, servo control mechanism, load maintainer, stress
Measuring system, displacement measurement system；The load maintainer is disposable syringe needle disk and platen；By guide rail in mechanics machine
Middle introducing explosion-proof tank, the casing of explosion-proof tank is controllable sealing structure design, realizes the sealing of different experiments process and ensures real
Test the processing safety of personnel；Explosion-proof tank top drilling is so that the load maintainer passes through；One side of explosion-proof tank, front and
Top is equipped with infrared window, infrared window high temperature high voltage resistant, at the same can visible ray and infrared light thoroughly, high-speed camera, infrared heat
Realize that in-situ image gathers by infrared window as instrument to gather with in-situ temperature；The another side of explosion-proof tank is provided with resistant to elevated temperatures
Kapton windows, it is available for external heat gun to heat the experimental cell in explosion-proof tank；The explosion-proof tank back side be provided with scavenger fan,
Discharge duct, the processing of waste gas in experimentation is realized, wherein discharge duct realizes controllable diversion design by flow-stop valve, test
Passage is provided with flowmeter and gas analyzer, collection and detection and analysis for Cell Experimentation An gas；Explosion-proof tank has explosion-proof
Safety device, including insulating layer, relief valve and exhaust fan, ensure experiment safety；Heating resistance wire is provided with inside explosion-proof tank, it is right
Battery is heated；Charging/discharging apparatus, temperature measuring device, pressure test are placed with mechanical test machine base under explosion-proof tank
Instrument, simple calorimeter, it is connected by the string holes at the explosion-proof tank back side with the experimental cell in explosion-proof tank；Charging/discharging apparatus, temperature
Tester, pressure tester, simple calorimeter, which are equipped with basic operation button, can carry out simple operations, and screen can real-time display survey
Data are measured, while have data transmission interface to be connected with computer.
The experimental system application is battery cell or battery module.
The bottom of the explosion-proof tank, which is provided with to slide, extracts bottom plate, is easy to test remains cleaning；.
The experimental system can be used for simulated battery monomer or battery module overcharging, overheat, under the abuse conditions of stand under load
Caused Hot disaster phenomenon, realize mechanical characteristic of the battery during fire incident occurs, thermal characteristic, kinetics ginseng
Several in site measurements.
Convertible the syringe needle disk and platen material therefor of the experimental system are that yield strength is more than 300MPa, tensile strength
High strength steel more than 450MPa.
Convertible the syringe needle disk and platen of the experimental system are manufactured using the processing method of casting, cold-drawn or heat treatment.
The anti-explosion box body material therefor of the experimental system is steel, temperature insulating material, implosion guard, glass for infrared rays.
The anti-explosion box body of the experimental system is using punching press, the processing method manufacture of welding.
Mechanics machine, high-speed camera, thermal infrared imager, heat gun, scavenger fan, the blast pipe of the experimental system
Road, flowmeter, gas analyzer, resistance wire, charging/discharging apparatus, temperature measuring device, pressure tester, simple calorimeter are without solely
Meter is erected, requires to match according to actual experiment.
A kind of battery fire safety evaluating experimental method using in-situ technique provided by the invention, step are：In mechanics
Expanded on the basis of testing machine and realize multi-functional same platform experiential function to battery applications in site measurement, including overcharge experiment and
Overheat experiment；Wherein overcharging experiment is：Battery is placed in explosion-proof tank, battery plus-negative plate is connected by wire and charging/discharging apparatus
Connect, rate of charge, the charging interval of battery can be set in charging/discharging apparatus, complete battery pair overcharges experiment；Overheat experiment
For：Two kinds of mode of heatings a, first, heating, some point using heat gun through Kapton windows alignment battery surface, heat work(
Rate is by the power adjusting of heat gun, second, overall heating, resistive heater is in coiled type and is wrapped in battery surface, resistance wire
Connect with simple calorimeter and by calorimeter regulation heating power；Wherein it is possible to carry out Simple measuring hot function, utilization is convertible
Platen the bored closure at the top of explosion-proof tank, anti-explosion box body interlayer be temperature insulating material, form closed adiabatic space, utilize electricity
Hinder silk to heat battery, by the thermocouple measurement battery temperature of temperature measuring device, the measurement of thermal characteristic is completed, by simple
The reactive kinetics parameters of the measurable battery of temperature data of calorimeter analysis battery.Stand under load is tested：Can be compressed experiment and
Acupuncture is tested, and load maintainer is convertible syringe needle disk and platen, and platen and syringe needle disk can be exchanged, be fixed on load maintainer,
By platen to battery compression, by syringe needle to battery acupuncture；Above experimentation, battery can be measured by temperature measuring device
Temperature, thermal infrared imager collecting temperature field distribution, realize the in site measurement of thermal characteristic；Pressure tester measurement pressure, high speed
Photographic apparatus catches the measurement that dynamic response, the force snesor on mechanics machine and displacement transducer realize loading force and displacement,
Realize the in site measurement of mechanical characteristic；The temperature of battery sample is measured by thermocouple using simple calorimeter, and passes through heating
Resistance wire carries out heating battery, and easy amount of batteries hot function can be achieved, realize the measurement of reactive kinetics parameters；Discharge duct
In be provided with TCH test channel to collect, detect and analyze Cell Experimentation An gas.
The beneficial effect of the present invention and prior art：
(1) compared to existing battery measurement technology, experimental system of the present invention experiment porch based on mechanics machine,
Battery can be completed on same experiment porch to overcharge, overheat, under loaded condition, the simulation of Hot disaster accident, caused by triggering
Fire incident；
(2) in-situ technique is applied, can be realized on same experiment porch and fire incident mistake is being occurred to battery
The real-time in site measurement of mechanical characteristic, thermal characteristic, reactive kinetics parameters in journey, can operate with battery cell and battery
The experimental technique of module.
(4) the invention belongs to a kind of multi-functional Cell Experimentation An measuring system, it can realize that inducing battery occurs Hot disaster
The functions such as accident, in site measurement, calorimetric function, exhaust-gas treatment and cell reaction gas analysis.
(5) the maximum technical characteristic of the present invention is to use platform based on existing mechanics machine, by load maintainer,
The design of anti-explosion box body and the expansion of multiple equipment annex, it is possible to achieve the in site measurement of battery fire safety evaluating research is multi-functional
Platform.
(6) stress, strain, thermal parameters, temperature, pressure, infrared thermal imagery are completed using the in-situ technique of the present invention
Data, high speed imaging, the real-time monitoring of gas analysis data, the security of experimental system is improved using explosion-proof tank.
Brief description of the drawings
Fig. 1 is experimental system setup sketch in the present invention.
Embodiment
Below in conjunction with the accompanying drawings and example the present invention is described in detail.
The present invention platform, load maintainer based on mechanics machine are disposable syringe needle disk and platen；Pass through guide rail
Explosion-proof tank is introduced in mechanics machine, casing is controllable sealing structure design, realizes the sealing of different experiments process, and protect
Demonstrate,prove the processing safety of experimenter；Explosion-proof tank top drilling is so that load maintainer passes through；One side of explosion-proof tank, front and
Top is equipped with infrared window, infrared window high temperature high voltage resistant, at the same can visible ray and infrared light thoroughly, high-speed camera, infrared heat
As instrument can realize in-situ image collection and in-situ temperature collection by infrared window；The another side of explosion-proof tank is provided with resistant to elevated temperatures
Kapton windows, it is available for external heat gun to heat the experimental cell in explosion-proof tank；The explosion-proof tank back side be provided with scavenger fan,
Discharge duct, realize the processing of waste gas in experimentation；Wherein discharge duct realizes controllable diversion design by flow-stop valve, test
Passage is provided with flowmeter, gas analyzer etc., collection and detection and analysis available for Cell Experimentation An gas；Explosion-proof tank have every
The anti-explosion safety devices such as warm layer, relief valve, ensure experiment safety；Heating resistance wire is provided with inside explosion-proof tank, battery can be entered
Row heating；The bottom of explosion-proof tank, which is provided with to slide, extracts bottom plate, is easy to test remains cleaning；Under explosion-proof tank in mechanics tester base
Charging/discharging apparatus, temperature measuring device, pressure tester, simple calorimeter are placed with, by the string holes at the explosion-proof tank back side with preventing
Experimental cell in quick-fried case is connected；Charging/discharging apparatus, temperature measuring device, pressure tester, simple calorimeter are equipped with basic behaviour
Simple operations can be carried out by making button, screen can real-time display measurement data, while there is data transmission interface to be connected with computer.
Convertible syringe needle disk and platen are processed by casting, process of thermal treatment, explosion-proof tank is processed by the technique of punching press, welding
Body, and charge-discharge system, heating system, the exhaust-gas treatment system of battery are expanded, and each in-situ technique, to meet this hair
The operating mode of bright requirement and test.
Mechanics machine, high-speed camera, thermal infrared imager, heat gun, scavenger fan, discharge duct, the stream of the present invention
Gauge, gas analyzer, resistance wire, charging/discharging apparatus, temperature measuring device, pressure tester, simple calorimeter are without independently setting
Meter, require to match according to actual experiment.
The specific embodiment of the present invention is as follows：
As shown in figure 1, the battery fire safety evaluating experimental system of the present invention, is the application expanded based on mechanics machine
The Multi-function experimental platform of in-situ technique.It is made up of the casting of high strength steel process, cold-drawn, process of thermal treatment convertible
Syringe needle disk and platen, by steel, temperature insulating material, implosion guard, through infrared glass explosion-proof tank is made by punching press, welding procedure
Body.
As shown in figure 1, include motor, drive gear, data collecting system etc. in the base 1 of mechanics machine,
The range of mechanics machine, speed etc. can be according to experiment demand regulations.Charging/discharging apparatus 2, temperature measuring device are placed with base 1
3rd, pressure tester 4, simple calorimeter 5, wherein, charging/discharging apparatus 2 is connected by wire with battery, so as to be battery charge and discharge
Electricity, battery sample can be made to reach particular charge, or be set available for over-charging of battery experiment condition；Temperature measuring device 3 passes through thermoelectricity
It is even that battery surface point temperature is measured according to contact type measurement principle；Pressure tester 4 measures battery by pressure sensor and sent out
The splash pressure of battery during calamity security incident of lighting a fire；Simple calorimeter 5 measures the temperature of battery sample by thermocouple, and passes through
The resistive heater for being placed in explosion-proof tank 7 carries out heating battery, and easy amount of batteries hot function can be achieved or cross thermal technology for battery
The setting of condition；Wherein, charging/discharging apparatus 2, temperature measuring device 3, pressure tester 4, simple calorimeter 5 be equipped with basic operation by
Key can carry out simple operations, screen can real-time display measurement data, while there is data transmission interface to be connected with computer.It is explosion-proof
Case 7 is shelved on guide rail 6, may move adjustment position, and can locking.Explosion-proof tank 7 is made up of inside and outside two-layered steel plates, central filler every
Adiabator；Anti-explosion box body is provided with the infrared window 8 of the saturating visible ray of high temperature high voltage resistant in front, top, left surface, is available for
High-speed camera instrument 9, infrared thermography 10 shoot battery experimentation image, obtain battery occur fire safety evaluating accident when
Instant response and thermo parameters method；High temperature resistant Kapton forms 12 are provided with the right side of anti-explosion box body, hot blast can be used by the form
Rifle 11 carries out a heating to battery, so as to induce the internal short-circuit of battery and thermal runaway；Bottom, which is provided with, can extract bottom plate out, be easy to
Cleaning experiment remains.The top drilling 13 of anti-explosion box body, convertible syringe needle disk and platen 14,15 can be made free in box house
Mobile, convertible syringe needle disk 14 can change the syringe needle of different-diameter difference termination type, and convertible platen 15 can be with syringe needle
Disk 14 exchanges, and is fixed on spiral buckle on loading sliding block 17.Transmission mechanism is installed in mechanics machine both sides post jamb 16, will
The driving force of motor is transferred to loading sliding block 17 in base 1, so that convertible syringe needle disk 14 and platen 15 are with setting
Speed loads, and installation force sensor, can measure stressing conditions when loading in loading sliding block 17.The explosion-proof tank back side is provided with
Relief valve and exhaust fan, waste gas can be discharged by discharge duct 18, wherein gas can be controlled by flow-stop valve 19,21,
Composition detection is carried out into TCH test channel 20, includes flowmeter, gas analyzer etc. in test logical 20, it is real available for battery
Test the collection and detection and analysis of gas.
The present invention experimental system can complete battery overcharge, overheat, under loaded condition triggering caused by fire incident
Simulation.When overcharging experiment, experimental cell is placed in explosion-proof tank 7, and battery plus-negative plate is connected by wire with charging/discharging apparatus 2,
Charging/discharging apparatus 2 can set the rate of charge of battery, charging interval, realize and overcharge process to battery.During overheat experiment, two
Kind mode of heating a, first, heating, some point using heat gun 11 through the alignment battery surface of Kapton windows 12, heating power
Adjusted by heat gun 11, second, overall heating, resistive heater is in coiled type and is wrapped in battery surface, resistance wire with it is simple
Calorimeter 5 connects and by calorimeter regulation heating power；Wherein it is possible to carry out Simple measuring hot function, disposable pressure is utilized
Disk 15 closes the perforate 13 at the top of explosion-proof tank, and anti-explosion box body interlayer is temperature insulating material, forms closed adiabatic space, utilizes electricity
Hinder silk to heat battery, by the thermocouple measurement battery temperature of temperature measuring device 3, battery is analyzed by simple calorimeter 5
The reactive kinetics parameters of the measurable battery of temperature data.Stand under load experiment can be divided into compression experiment and acupuncture experiment, load maintainer
For convertible syringe needle disk 14 and platen 15, platen 15 and syringe needle disk 14 can exchange, and are fixed on loading sliding block 17, pass through platen
15 pairs of battery compressions, by syringe needle 14 to battery acupuncture, the convertible different-diameter difference termination type of syringe needle 14.Tested above
Journey, battery temperature, the collecting temperature field distribution of thermal infrared imager 10 can be measured by temperature measuring device 3, complete thermal characteristic
Measurement, pressure tester 4 measures pressure, high-speed camera 9 catches dynamic response, the force snesor on mechanics machine and displacement
Sensor realizes the measurement of loading force and displacement, completes the measurement of mechanics parameters；Pass through thermocouple using simple calorimeter 5
The temperature of battery sample is measured, and the resistive heater by being placed in explosion-proof tank 7 carries out heating battery, and easy battery can be achieved
Calorimetric function, realize the measurement of reactive kinetics parameters；TCH test channel 20 is provided with discharge duct 18 to collect, detect and analyze
Cell Experimentation An gas.
Above example is provided just for the sake of the description purpose of the present invention, rather than limitation the scope of the present invention.The present invention
Scope be defined by the following claims.The various equivalent alterations and modifications for not departing from spirit and principles of the present invention and making,
It all should cover within the scope of the present invention.
Claims (10)
- A kind of 1. battery fire safety evaluating experimental system using in-situ technique, it is characterised in that：Using mechanics machine as base Plinth platform, mechanics machine have transmission mechanism, servo control mechanism, load maintainer, stress measurement system, displacement measurement system；Institute It is disposable syringe needle disk and platen to state load maintainer；Explosion-proof tank, the case of explosion-proof tank are introduced in mechanics machine by guide rail Body is controllable sealing structure design, realizes the sealing of different experiments process and ensures the processing safety of experimenter；It is explosion-proof Box top perforate is so that the load maintainer passes through；A side, front and the top of explosion-proof tank are equipped with infrared window, infrared to regard Window high temperature high voltage resistant, while visible ray and infrared light, high-speed camera, thermal infrared imager can be realized by infrared window in situ thoroughly IMAQ and in-situ temperature collection；The another side of explosion-proof tank is provided with resistant to elevated temperatures Kapton windows, is available for external heat gun pair Experimental cell in explosion-proof tank is heated；The explosion-proof tank back side is provided with scavenger fan, discharge duct, realizes in experimentation and gives up The processing of gas, wherein discharge duct realize controllable diversion design by flow-stop valve, and TCH test channel is provided with flowmeter and gas point Analyzer, collection and detection and analysis for Cell Experimentation An gas；Explosion-proof tank has anti-explosion safety device, including insulating layer, pressure release Valve and exhaust fan, ensure experiment safety；Heating resistance wire is provided with inside explosion-proof tank, battery is heated；Under explosion-proof tank Charging/discharging apparatus, temperature measuring device, pressure tester, simple calorimeter are placed with mechanical test machine base, by explosion-proof The string holes at the case back side is connected with the experimental cell in explosion-proof tank；Charging/discharging apparatus, temperature measuring device, pressure tester, Simple measuring Heat meter, which is equipped with basic operation button, can carry out simple operations, screen can real-time display measurement data, while there is data transfer to connect Mouth can be connected with computer.
- A kind of 2. battery fire safety evaluating experimental system using in-situ technique according to claim 1, it is characterised in that：Institute It is battery cell or battery module to state experimental system application.
- A kind of 3. battery fire safety evaluating experimental system using in-situ technique according to claim 1, it is characterised in that：Institute The bottom for stating explosion-proof tank is provided with slip extraction bottom plate, is easy to test remains cleaning.
- A kind of 4. battery fire safety evaluating experimental system using in-situ technique according to claim 1, it is characterised in that：Institute State experimental system available for simulated battery monomer or battery module overcharge, overheat, caused hot calamity under the abuse conditions of stand under load Evil phenomenon, realize the survey in situ of mechanical characteristic, thermal characteristic, reactive kinetics parameters of the battery during fire incident occurs Amount.
- A kind of 5. battery fire safety evaluating experimental system using in-situ technique according to claim 1, it is characterised in that：Institute Convertible the syringe needle disk and platen material therefor for stating experimental system are more than 300MPa for yield strength, and tensile strength is more than 450MPa High strength steel.
- A kind of 6. battery fire safety evaluating experimental system using in-situ technique according to claim 1, it is characterised in that：Institute Convertible the syringe needle disk and platen of experimental system are stated using the processing method manufacture of casting, cold-drawn or heat treatment.
- A kind of 7. battery fire safety evaluating experimental system using in-situ technique according to claim 1, it is characterised in that：Institute The anti-explosion box body material therefor for stating experimental system is steel, temperature insulating material, implosion guard, glass for infrared rays.
- A kind of 8. battery fire safety evaluating experimental system using in-situ technique according to claim 1, it is characterised in that：Institute The anti-explosion box body of experimental system is stated using punching press, the processing method manufacture of welding.
- A kind of 9. battery fire safety evaluating experimental system using in-situ technique according to claim 1, it is characterised in that：Institute State the mechanics machine of experimental system, high-speed camera, thermal infrared imager, heat gun, scavenger fan, discharge duct, flowmeter, Gas analyzer, resistance wire, charging/discharging apparatus, temperature measuring device, pressure tester, simple calorimeter are without independent design, root Factually border requirement of experiment matches.
- A kind of 10. battery fire safety evaluating experimental method using in-situ technique, it is characterised in that：Step is to be tried in mechanics The multi-functional same platform experiential function expanded on the basis of machine and realized to battery applications in site measurement is tested, including overcharges experiment and mistake Heat experiment；Wherein overcharging experiment is：Battery is placed in explosion-proof tank, battery plus-negative plate is connected by wire with charging/discharging apparatus, Rate of charge, the charging interval of battery can be set in charging/discharging apparatus, complete battery pair overcharges experiment；Overheating experiment is： Two kinds of mode of heatings a, first, heating, some point using heat gun through Kapton windows alignment battery surface, heating power lead to The power adjusting of heat gun is crossed, second, overall heating, resistive heater is in coiled type and is wrapped in battery surface, resistance wire and letter Easy calorimeter connects and by calorimeter regulation heating power；Wherein it is possible to carry out Simple measuring hot function, disposable pressure is utilized Disk is temperature insulating material the bored closure at the top of explosion-proof tank, anti-explosion box body interlayer, forms closed adiabatic space, utilizes resistance wire Battery is heated, by the thermocouple measurement battery temperature of temperature measuring device, the measurement of thermal characteristic is completed, passes through simple calorimetric The reactive kinetics parameters of the measurable battery of temperature data of meter analysis battery；Stand under load is tested：Experiment and acupuncture can be compressed Experiment, load maintainer is convertible syringe needle disk and platen, and platen and syringe needle disk can exchange, be fixed on load maintainer, pass through Platen is to battery compression, by syringe needle to battery acupuncture；Above experimentation, battery temperature can be measured by temperature measuring device Degree, thermal infrared imager collecting temperature field distribution, realize the in site measurement of thermal characteristic；Pressure tester measurement pressure, take the photograph at a high speed Shadow instrument catches the measurement that dynamic response, the force snesor on mechanics machine and displacement transducer realize loading force and displacement, real The in site measurement of existing mechanical characteristic；The temperature of battery sample is measured by thermocouple using simple calorimeter, and by heating electricity Resistance silk carries out heating battery, and easy amount of batteries hot function can be achieved, realize the measurement of reactive kinetics parameters；In discharge duct Provided with TCH test channel to collect, detect and analyze Cell Experimentation An gas.
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| US20210025771A1 (en) * | 2018-10-25 | 2021-01-28 | Lg Chem, Ltd. | Explosion pressure prediction system for medium- and large-size cell module, and method for predicting explosion pressure of medium- and large-size cell module |
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| CN113253135A (en) * | 2021-05-11 | 2021-08-13 | 吉林大学 | Battery in-situ test system |
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| CN116449236A (en) * | 2023-06-16 | 2023-07-18 | 泉州经贸职业技术学院 | Energy storage battery production detection device and method thereof |
| CN116449236B (en) * | 2023-06-16 | 2023-08-29 | 泉州经贸职业技术学院 | Energy storage battery production detection device and method thereof |
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