CN110515000A - A kind of one electrochemical cell thermal runaway test macro - Google Patents
A kind of one electrochemical cell thermal runaway test macro Download PDFInfo
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- CN110515000A CN110515000A CN201910732290.1A CN201910732290A CN110515000A CN 110515000 A CN110515000 A CN 110515000A CN 201910732290 A CN201910732290 A CN 201910732290A CN 110515000 A CN110515000 A CN 110515000A
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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]
- G01R31/3644—Constructional arrangements
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Abstract
The present invention relates to a kind of integrated electrochemical cell thermal runaway test macros, belong to battery security the field of test technology.The test macro includes test cabinet, control cabinet；The test cabinet is connected with control cabinet by the gentle body canal of data spool.Test macro of the present invention can for various models monocell and small-sized battery pack, it carries out the test out of control of flame heating battery, the test out of control of electric heating battery and short circuit and sends a telegraph pond thermal runaway, while the performance testing for causing battery out of control when battery overcharge and overdischarge can be expanded.The test space in test macro is closed isolation, can be with the temperature, pressure variation in real-time continuous monitoring battery and its neighbouring space, the variation for generating gas component etc. for the quantitative analysis of the component of the products such as test gas, solid.Test macro of the invention can other external peripheral hardwares, it is applied widely, be applicable to the battery securities test request such as school, scientific research institution, factory.
Description
Technical field
The present invention relates to a kind of integrated electrochemical cell thermal runaway test macros, belong to battery security the field of test technology.
Background technique
With universal (notebook, mobile phone, camera, battery-operated motor cycle and the electric car etc.) of electronic product, lithium battery is
Played the part of more and more important role in people's lives.However, took place frequently in recent years due to battery problems safety accident
The alarm bell of lithium electricity safety is beaten.(high temperature, flame, short circuit, extruding etc.) lithium battery is easy to produce especially under severe conditions
Overheat, smolder, it is on fire in addition explosion the case where.And causing it the factor of accident occur is mainly the out of control of battery heat, therefore is ground
Study carefully the influence such as temperature, gas toxicity of lithium battery thermal runaway mechanism and later period, there is Practical significance.
Summary of the invention
The purpose of the present invention is to propose to a kind of integrated electrochemical cell thermal runaway test macro, with for small-sized single battery and
The safety of middle-size and small-size battery pack is tested, and the mechanism of battery thermal runaway is studied, and determines thermal runaway trigger condition, and test
The composition of battery generates after thermal runaway fuel factor and toxic gas and content etc..
One electrochemical cell thermal runaway test macro proposed by the present invention, which is characterized in that including testing cabinet, control cabinet；
The test cabinet is connected with control cabinet by the gentle body canal of data spool；
The test cabinet, including main box, the upper surface of main box are provided with gas collector, set behind main box
Gas collection case is set, fixed bracket is set below main box, is laid with Data expansion depressed place, main box on the right side plate of main box
Bottom plate below be placed with fired heater, be placed with heating fixed plate above the bottom plate of main box；
The structure of main box in above-mentioned test cabinet is that cabinet door is provided on the front panel of main box, cabinet door
Surrounding installs refractory seals item, and cabinet door is equipped with anti-explosion airtight door, and the top integral finish of main box is gas collection end, main tank
Data string hole and gas line mouth are offered on the right side plate of body, the data string hole is connected with the data spool, institute
The gas line mouth stated is connected with the gas conduit, and the burner port that size is Φ 15~25 is provided on the bottom plate of main box；
The structure of gas collector in above-mentioned test cabinet is that rectangular gas pipeline is equipped on bullet, rectangular
One end of gas pipeline is equipped with detector, and the other end of rectangular gas pipeline is gas vent；Rectangular gas pipeline
Top is equipped with upper cover, for covering entire gas collector；Multiple gas-selectively sensors are installed on detector, are used
In the gas composition for testing rectangular gas pipeline；
The structure of gas collection case in above-mentioned test cabinet is, in the square groove open at one end of gas collection case, side
Piston is installed, by piston in square groove internal slide to collect gas inside shape slot；
Data expansion depressed place structure in above-mentioned test cabinet is to lay connecing for various criterion respectively above Data expansion depressed place
Mouthful；
The structure of fired heater in above-mentioned test cabinet is that the combustible gas import in fired heater is connected to mixing
On device, mixer is connected in auxiliary air import by gas-guide tube, and the end of fired heater is right angle spray head；
The structure of heating fixed plate in above-mentioned test cabinet is to open in heating fixed plate there are two groove, so that folder
Tool is horizontally slipped in heating fixed plate by bolt, and battery to be tested or battery pack are clamped by the fastening of bolt, is being added
Combustion flame outlet is provided on hot plate, combustion flame outlet is corresponding with the burner port that main body case is, heating plate passes through heating electricity
Line, the battery to be tested or battery pack that fastening is heated in a manner of electrically heated reach within 800 degree；
Control cabinet in above-mentioned test macro is made of cabinet body, control panel and gas distributing chamber, and the cabinet body includes double opens
Cabinet door and left side coffret, left side coffret are connected with the data spool, interior of the cabinet putting electronic device and
All kinds of conducting wires；Control panel includes display screen and display instrument, and display screen is to inquire, control and show data drawing list；Distribution
Room includes exporting with air pump and distribution, and distribution outlet is connected with the gas conduit.
One electrochemical cell thermal runaway test macro proposed by the present invention, its advantage is that:
Integrated electrochemical cell thermal runaway test macro of the invention can be directed to the monocell and small-sized battery of various models
Group carries out the test out of control of flame heating battery, the test out of control of electric heating battery and short circuit and sends a telegraph pond thermal runaway, while can expand
The performance testing for causing battery out of control when battery overcharge and overdischarge.In test macro of the invention, the test space is closed
Isolation, can be for the quantitative analysis of the components of products such as test gas, solid；Monitoring battery that can be real-time continuous and its attached
The temperature, pressure variation of near space, the variation etc. for generating gas component；Test box and control cabinet therein are separated from each other, Ke Yiti
High Security of test, the testing element damage caused by can reducing because of high temperature and vibration (explosion).Test macro of the invention can
Other external peripheral hardwares, such as thermal camera, high-speed camera, therefore applied widely, be applicable to school, scientific research institution,
The battery securities test request such as factory.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of integrated electrochemical cell thermal runaway test macro proposed by the present invention.
Fig. 2 is the structural schematic diagram that cabinet is tested in integrated electrochemical cell thermal runaway test macro shown in FIG. 1.
Fig. 3 is the structural schematic diagram of main body case in test cabinet shown in Fig. 2.
Fig. 4 is the structural schematic diagram of gas collector in test cabinet shown in Fig. 2, and in Fig. 4, (a) is gas collector,
It (b) is detector.
Fig. 5 is the structural schematic diagram of gas collection case in test cabinet shown in Fig. 2.
Fig. 6 is the structural schematic diagram in Data expansion depressed place in test cabinet shown in Fig. 2.
Fig. 7 is the structural schematic diagram of test cabinet Flame heater shown in Fig. 2.
Fig. 8 is the structural schematic diagram that fixed plate is heated in test cabinet shown in Fig. 2.
Fig. 9 is the knot schematic diagram of control cabinet in integrated electrochemical cell thermal runaway test macro shown in FIG. 1.In Fig. 9, (a) is
It is control cabinet front, is (b) the control cabinet back side.
In Fig. 1,1 is test cabinet, and 2 be control cabinet, and 3 be data spool, and 4 be gas conduit.In Fig. 2,11 be main box,
12 be gas collector, and 13 be gas collection case, and 14 be fixed bracket, and 15 be Data expansion depressed place, and 16 be fired heater, and 17 are
Heat fixed plate.In Fig. 3,111 be front panel, and 112 be cabinet door, and 113 be anti-explosion airtight door, and 114 be gas collection end, and 115 be right
Side plate, 116 be data string hole, and 117 be gas line mouth, and 118 be bottom plate, and 119 be burner port 119.In Fig. 4,121 be taper
Body, 122 be rectangular gas pipeline, and 123 be detector, and 124 be gas vent, and 125 be gas-selectively sensor, 126
It is upper cover.In Fig. 5,131 be square groove, and 132 be piston.In Fig. 6,151 be the interface of various criterion.In Fig. 7,161 be flammable
Gas import, 162 be mixer, and 163 be gas-guide tube, and 164 be auxiliary air import, and 165 be right angle spray head.In Fig. 8,171 be to add
Hot plate, 172 be groove, and 173 be fixture 174 be bolt, and 175 be combustion flame outlet, and 176 be heating wires.In Fig. 9,21 are
Cabinet body, 22 be control panel, and 23 be gas distributing chamber, and 211 be double-opening cabinet door, and 212 be left side coffret, and 221 be display screen, 222
It is display instrument, 231 be with air pump, and 232 be distribution outlet.
Specific embodiment
One electrochemical cell thermal runaway test macro proposed by the present invention, structure is as shown in Figure 1, include test cabinet 1, control
Cabinet 2 processed；The test cabinet is connected by data spool 3 with gas conduit 4 with control cabinet；
The structure of above-mentioned test cabinet 1 is as shown in Fig. 2, include main box 11, the upper surface of main box 11 is provided with gas and adopts
Gas collection case 13 is arranged behind main box 11, fixed bracket 14 is arranged below main box 11 for storage 12, main box 11
It is laid with Data expansion depressed place 15 on right side plate, is placed with fired heater 16, the bottom of main box 11 below the bottom plate of main box 11
Heating fixed plate 17 is placed with above plate；
The structure of main box 11 is as shown in figure 3, be provided with case on the front panel 111 of main box 11 in above-mentioned test cabinet 1
The surrounding of body door 112, cabinet door 112 installs refractory seals item, and cabinet door 112 is equipped with anti-explosion airtight door 113, main box 11
Top integral finish be gas collection end 114, offer data string hole 116 and gas line mouth on the right side plate 115 of main box 11
117, the data string hole 116 is connected with the data spool 3, and the gas line mouth 117 is led with the gas
Pipe 4 is connected, and the burner port 119 that size is Φ 15~25 is provided on the bottom plate 118 of main box 11；
The structure of gas collector 12 is as shown in figure 4, in Fig. 4 in above-mentioned test cabinet 1, and (a) is gas collector, (b)
It is detector.Rectangular gas pipeline 122 is installed on bullet 121, one end of rectangular gas pipeline 122 is equipped with
Detector 123, the other end of rectangular gas pipeline 122 are gas vent 124；The top of rectangular gas pipeline 122 is upper
Lid 126, for covering entire gas collector；Multiple gas-selectively sensors 125 are installed on detector 123, are used
In the gas composition for testing rectangular gas pipeline 122, predominantly detects carbon monoxide, carbon dioxide, oxygen, hydrogen, benzene and its spread out
The real-time composition of biology, the case where to detect battery thermal runaway.
The structure of gas collection case 13 is as shown in figure 5, in the open at one end of gas collection case 13 in above-mentioned test cabinet 1
Square groove 131 installs piston 132 inside square groove 131, by piston 132 in 131 internal slide of square groove to collect gas；
The structure in Data expansion depressed place 15 is as shown in fig. 6, cloth is distinguished in the top in Data expansion depressed place 15 in above-mentioned test cabinet 1
If the interface 151 of various criterion, interface 151 can be include power interface, data transmission, wherein data transmission includes internal view
Frequency output, temperature sensor data or gas composition sensors data.
The structure of fired heater 16 in above-mentioned test cabinet 1 as shown in fig. 7, combustible gas in fired heater 16 into
Mouth 161 is connected on mixer 162, and mixer 162 is connected in auxiliary air import 164 by gas-guide tube 163, flame heating
The end of device 16 is right angle spray head 165；
The structure structure of heating fixed plate 17 in test cabinet 1 is as shown in figure 8, be provided with two in heating fixed plate 171
A groove 172 so that fixture 173 by bolt 174 heating fixed plate 171 on horizontally slip, by the fastening of bolt 174 with
Battery to be tested or battery pack are clamped, combustion flame outlet 175, combustion flame outlet 175 and master are provided in heating plate 171
The burner port 119 that body case 11 is is corresponding, heating plate 171 by heating wires 176, heated in a manner of electrically heated fastening to
Test battery or battery pack reach within 800 degree；
For the structure of the control cabinet 2 as shown in figure 9, in Fig. 9, it is (b) the control cabinet back side that (a), which is control cabinet front,.
Control cabinet 2 is made of cabinet body 21, control panel 22 and gas distributing chamber 23, and the cabinet body 21 includes that double-opening cabinet door 211 and left side pass
Defeated interface 212, left side coffret 212 are connected with the data spool 3,21 interior of the cabinet putting electronic device of cabinet body and
All kinds of conducting wires；Control panel 22 includes display screen 221 and display instrument 222, and display screen 221 is to inquire, control and show number
According to chart；Mainly curve and distribution relevant information etc. are changed over time including temperature, pressure, gas componant.Gas distributing chamber 23 wraps
It includes with air pump 231 and distribution outlet 232, distribution outlet 232 is connected with the gas conduit 4, and the gas matched is test box
Defined gas component, including oxygen, nitrogen, argon gas, hydrogen and air etc. when test.
Below in conjunction with attached drawing, be discussed in detail integrated electrochemical cell thermal runaway test macro proposed by the present invention working principle and
The course of work:
Integrated electrochemical cell thermal runaway test macro of the invention obtains battery thermal runaway by burning and heating test
Temperature and time, while the component and content of the flue gas of real-time monitoring generation, while it is empty to detect battery and surrounding in whole process
Between temperature and pressure distribution curve.Characterisitic parameter when obtaining out of control.
The course of work of one electrochemical cell thermal runaway test macro of the present invention are as follows: be first put into mesuring battary or battery pack
It heats in fixed plate 17, is fixed clampings by fixture 173, is then shut off cabinet door 112, with this closed entire cabinet；
Then mesuring battary or battery pack are heated, flame heating is carried out by fired heater 16, directly to electricity
Pond carries out combustion testing, or is electrically heated by heating plate 171, triggers battery thermal runaway；
Temperature and pressure sensor is laid during burning and electric heating near battery surface and battery, these sensors connect
It is connected on Data expansion depressed place 15, the real-time display test data on the display screen 221 on control cabinet 2；Simultaneously on control cabinet 2
It can control temperature and heating time and the burning time of fired heater 16 of heating plate 171 in instrument 222；
After thermal runaway occurs for battery, it will independently generate a large amount of flue gases and explosion may be caused, at this moment pass through control cabinet 2
On display screen 221 or instrument 222 carry out control break heating operation；
When generating flue gas, gas can be by the bullet 121 of gas collector 12, so into rectangular gas pipeline 122
Afterwards by detector 123, detector 123 is passed by the component in real-time testing flue gas, and by Data expansion depressed place 15
On the defeated display screen 221 on control cabinet 2；Flue gas is entered in gas collection case 13 by gas vent 124, promotes piston 132
It is slided in square groove 131, the flue gas of generation is collected with this, determine its flue gas volume generated, final quantitative gas component
Content；
It wherein during heating, can according to demand, by being allotted in gas distributing chamber 23 on control cabinet 2 with air pump 231
The gas for needing ratio and component, is entered in gas conduit 4 by distribution outlet 232, is finally imported test cabinet 2 and is realized calibration
Gas component.
Claims (1)
1. a kind of one electrochemical cell thermal runaway test macro, which is characterized in that the test macro includes test cabinet, control cabinet；
The test cabinet is connected with control cabinet by the gentle body canal of data spool；
The test cabinet, including main box, the upper surface of main box are provided with gas collector, gas are arranged behind main box
Fixed bracket is arranged below main box, is laid with Data expansion depressed place, the bottom of main box on the right side plate of main box for body collecting box
It is placed with fired heater below plate, is placed with heating fixed plate above the bottom plate of main box；
The structure of main box in above-mentioned test cabinet is that cabinet door, the surrounding of cabinet door are provided on the front panel of main box
Refractory seals item is installed, cabinet door is equipped with anti-explosion airtight door, and the top integral finish of main box is gas collection end, main box
Data string hole and gas line mouth are offered on right side plate, the data string hole is connected with the data spool, described
Gas line mouth is connected with the gas conduit, and the burner port that size is Φ 15~25 is provided on the bottom plate of main box；
The structure of gas collector in above-mentioned test cabinet is that rectangular gas pipeline, rectangular gas are equipped on bullet
One end of pipeline is equipped with detector, and the other end of rectangular gas pipeline is gas vent；It is equipped on detector
Multiple gas-selectively sensors are upper cover above rectangular gas pipeline for testing the gas composition of rectangular gas pipeline；
The structure of gas collection case in above-mentioned test cabinet is, in the square groove open at one end of gas collection case, square groove
Inside installation piston, by piston in square groove internal slide to collect gas；
The structure in the Data expansion depressed place in above-mentioned test cabinet is to lay connecing for various criterion respectively in the top in Data expansion depressed place
Mouthful；
The structure of fired heater in above-mentioned test cabinet is that the combustible gas import in fired heater is connected to mixer
On, mixer is connected in auxiliary air import by gas-guide tube, and the end of fired heater is right angle spray head；
The structure of heating fixed plate in above-mentioned test cabinet is to open in heating fixed plate there are two groove, so that fixture is logical
It crosses bolt to horizontally slip in heating fixed plate, battery to be tested or battery pack is clamped by the fastening of bolt, in heating plate
On be provided with combustion flame outlet, combustion flame outlet it is corresponding with the burner port that main body case is, heating plate pass through heating wires, with
Electrically heated mode heats the battery to be tested of fastening or battery pack reaches within 800 degree；
Control cabinet in above-mentioned test macro is made of cabinet body, control panel and gas distributing chamber, and the cabinet body includes double-opening cabinet door
With left side coffret, left side coffret is connected with the data spool, interior of the cabinet putting electronic device and all kinds of
Conducting wire；Control panel includes display screen and display instrument, and display screen is to inquire, control and show data drawing list；Gas distributing chamber's packet
It includes and is exported with air pump and distribution, distribution outlet is connected with the gas conduit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910732290.1A CN110515000B (en) | 2019-08-09 | 2019-08-09 | Integrated battery thermal runaway test system |
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|---|---|---|---|
| CN201910732290.1A CN110515000B (en) | 2019-08-09 | 2019-08-09 | Integrated battery thermal runaway test system |
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| CN110515000A true CN110515000A (en) | 2019-11-29 |
| CN110515000B CN110515000B (en) | 2021-10-08 |
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Cited By (5)
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| CN111103404A (en) * | 2019-12-23 | 2020-05-05 | 国联汽车动力电池研究院有限责任公司 | Analysis device and method for thermal runaway tail gas of power battery |
| CN112436201A (en) * | 2020-11-25 | 2021-03-02 | 中国第一汽车股份有限公司 | Device and method for testing thermal runaway gas temperature of battery |
| CN112684357A (en) * | 2020-12-24 | 2021-04-20 | 广电计量检测(深圳)有限公司 | Battery module overcharge and overdischarge safety detection system and method |
| CN112858911A (en) * | 2021-01-08 | 2021-05-28 | 北京理工大学 | In-situ detection method for multiple gases in full life cycle of commercial battery |
| CN117309066A (en) * | 2023-11-29 | 2023-12-29 | 珠海科创储能科技有限公司 | Energy storage cabinet monitoring system, method and device, storage medium and electronic equipment |
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| CN117309066A (en) * | 2023-11-29 | 2023-12-29 | 珠海科创储能科技有限公司 | Energy storage cabinet monitoring system, method and device, storage medium and electronic equipment |
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|---|---|
| CN110515000B (en) | 2021-10-08 |
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