CN109449519A - Lithium ion battery detection device - Google Patents
Lithium ion battery detection device Download PDFInfo
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- CN109449519A CN109449519A CN201811458466.0A CN201811458466A CN109449519A CN 109449519 A CN109449519 A CN 109449519A CN 201811458466 A CN201811458466 A CN 201811458466A CN 109449519 A CN109449519 A CN 109449519A
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- Prior art keywords
- ion battery
- temperature
- lithium ion
- detection faces
- detection device
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- 238000001514 detection method Methods 0.000 title claims abstract description 125
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 105
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 102
- 230000000007 visual effect Effects 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000178 monomer Substances 0.000 abstract description 30
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 8
- 238000004088 simulation Methods 0.000 abstract description 4
- 210000004027 cell Anatomy 0.000 description 20
- 239000007789 gas Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229930002839 ionone Natural products 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Secondary Cells (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
Abstract
The application provides a kind of lithium ion battery detection device.The lithium ion battery detection device includes box-like body, cabinet safety valve, temperature sensor and pressure sensor.Box-like body seals to form a battery modules storage space.The battery modules storage space is for storing lithium-ion battery monomer.And the box-like body has detection faces, and the temperature detector and the pressure sensor are arranged at intervals at the detection faces.Lithium-ion battery monomer or the test of mould group thermal runaway can be carried out in the box-like body of the lithium ion battery detection device.When in the lithium-ion battery monomer ejection process, temperature, the pressure and other parameters on the temperature detector and pressure sensor acquisition lithium-ion battery monomer or mould group packet surface, surrounding or battery core center, in order to provide initial boundary conditions for numerical simulation study.When eruption can be generated in the lithium-ion battery monomer ejection process, the eruption can be exported by the cabinet safety valve.
Description
Technical field
This application involves power source technical fields, more particularly to a kind of lithium ion battery detection device.
Background technique
In recent years, the market share of electric car is promoted steadily.There is lithium ion battery high voltage, high-energy-density, length to follow
The excellent performances such as ring service life, no pollution to the environment, the highest attention by ev industry.However, lithium ion battery erupts
Process can generate combustion mixture.The combustion mixture accumulates in inside lithium ion cell.Reach in inside lithium ion cell
After certain pressure boundary, safety valve is opened, and the combustion mixture is discharged into external environment as lithium ion battery erupts.
In lithium ion battery ejection process, surface temperature of lithium ion battery can reach 1000 DEG C or so.The electricity of lithium ion battery
Core inner temperature is higher, therefore therefore eruption has usually contained the high temperature particulate matter such as Mars, high-temperature particle eruption surface temperature
About 600~1200 DEG C or so.Since high-temperature lithium ion battery surface and high-temperature particle eruption temperature are much higher than gaseous state
The ignition temperature of eruption Ignition Phenomena will easily occur, and cause once eruption injection contacts in air and with oxygen
Fire.Also it is easy to appear certainly after high temperature combustible is contacted with the air for entering inside lithium ion cell after lithium ion battery eruption
Fire phenomenon.In addition, even if there is not Ignition Phenomena in the gaseous state eruption after lithium ion battery eruption, but if gradually running up to one
Fixed number amount, will likely also will appear explosion phenomenon, and harmfulness will be bigger.Therefore, lithium ion battery eruption is to cause lithium ion
One of the security risk of battery fire even explosion accident.The fire and explosion accident that lithium ion battery eruption causes appear in the newspapers repeatly
Road, safety issue, which becomes, hinders its one of principal element in the application of electrical source of power industry large-scale commercial.
Carry out lithium-ion battery monomer insulation thermal runaway test in traditional scheme in accelerating calorimeter mostly, or is opening
It puts and carries out battery cell or the test of mould group in environment.However, electric in environment locating for above-mentioned battery cell or mould group and battery pack
Environmental difference locating for pond monomer or mould group is larger, i.e., the environment in battery pack is simultaneously nonadiabatic, also unlike can be in open environment
Auto-radiating.Also, temperature, the pressure and other parameters in battery ejection process around battery pack can not be acquired in traditional scheme.
Summary of the invention
Based on this, it is necessary to can not be simulated really for space locating for battery eruption in traditional scheme and oxygen concentration environment
Inside battery pack, and can not temperature around set battery packet, pressure and other parameters the problem of, a kind of lithium ion battery detection dress is provided
It sets.
A kind of lithium ion battery detection device, comprising:
Box-like body, sealing forms a battery modules storage space, for storing battery modules, and the cabinet sheet
Body has at least one detection faces, at least one described detection faces offer gas outlet；
Cabinet safety valve is set to the gas outlet；
Temperature detector is set to the detection faces, is arranged with the gas outlet interval；And
Multiple pressure sensors are set to the detection faces, are arranged with the multiple temperature-detecting device interval.
At least one described detection faces include the first detection faces and the second detection faces in one of the embodiments,；
The temperature detector includes:
Multiple first temperature sensors are set at least one described detection faces, for detecting the electricity of the battery modules
Core central temperature；
Multiple second temperature sensors, are set at least one described detection faces, and with the multiple first temperature sensing
The setting of device interval, the surface temperature for battery cell in the detection battery modules；And
Multiple third temperature sensors, are set at least one described detection faces, and with the multiple first temperature sensing
Device and the multiple second temperature sensor are spaced setting, for detecting the lithium ion battery detection device and the battery
Environment temperature between mould group；
The multiple first temperature sensor, the multiple second temperature sensor and the multiple third temperature sensor
One of be set to first detection faces with the multiple pressure sensor, it is the multiple first temperature sensor, described
Other two kinds in more than the two temperature sensors and the multiple third temperature sensor are set to second detection faces.
The multiple third temperature sensor is alternated with the multiple pressure sensor in one of the embodiments,
First detection faces are set to, the multiple first temperature sensor is alternated with the multiple second temperature sensor to be set
It is placed in second detection faces.
In one of the embodiments, two adjacent third temperature sensors, two adjacent pressure sensors or
Distance is first distance between one third temperature sensor pressure sensor adjacent thereto, and the first distance exists
Within the scope of 25mm-55mm.
Two adjacent first temperature sensors, two adjacent second temperature sensors in one of the embodiments,
Or distance is second distance between first temperature sensor second temperature sensor adjacent thereto, described second
Distance is within the scope of 25mm-45mm.
The battery modules are set to the center of the battery modules storage space in one of the embodiments,
One in each wall surface to the box-like body adjacent thereto and parallel in each wall surface of the battery modules
The distance between be third distance, the third distance is within the scope of 10mm-50mm.
In one of the embodiments, the box-like body have visible surface, at least one described detection faces and it is described can
The wall surface of the box-like body is constituted depending on face, the wall surface surrounds to form the battery modules storage space；
The lithium ion battery detection device further include:
Visual windows are set to the visible surface, for observing the situation in the box-like body.
The area of the visual windows accounts for the 50% or 100% of the visible surface in one of the embodiments,.
In one of the embodiments, further include:
Cable connector is set at least one described detection faces, is arranged with the gas outlet interval, and electric with external equipment
Connection, for providing the voltage of heat or the detection battery modules into the lithium ion battery detection device.
The cable connector includes: in one of the embodiments,
First cable connector, is set at least one described detection faces, external equipment by first cable connector to
Heat is provided in the lithium ion battery detection device；And
Second cable connector is set at least one detection faces, and is arranged with first cable connector interval, external
Equipment detects the voltage of the battery modules by second cable connector.
The application provides a kind of lithium ion battery detection device.The lithium ion battery detection device include box-like body,
Cabinet safety valve, temperature sensor and pressure sensor.Box-like body seals to form a battery modules storage space.The electricity
Chi Mo group storage space is for storing lithium-ion battery monomer.And the box-like body has detection faces, the temperature detection
Device and the pressure sensor are arranged at intervals at the detection faces.The box-like body of the lithium ion battery detection device
It is interior to carry out lithium-ion battery monomer or the test of mould group thermal runaway.It is described in the lithium-ion battery monomer ejection process
The temperature on temperature detector and pressure sensor acquisition lithium-ion battery monomer or mould group packet surface, surrounding or battery core center
Degree, pressure and other parameters, in order to provide initial boundary conditions for numerical simulation study.When the lithium-ion battery monomer erupted
Cheng Zhonghui generates eruption, can be exported the eruption by the cabinet safety valve.
Detailed description of the invention
Fig. 1 is the lithium ion battery structure of the detecting device schematic diagram provided in one embodiment；
Fig. 2 is the lithium ion battery structure of the detecting device schematic diagram provided in one embodiment；
Fig. 3 is the sectional view of the first detection faces figure provided in one embodiment；
Fig. 4 is the sectional view of the first detection faces figure provided in one embodiment；
Fig. 5 is the sectional view of the first detection faces figure provided in one embodiment；
Fig. 6 is the sectional view of the second detection faces figure provided in one embodiment；
Fig. 7 is the sectional view of the second detection faces figure provided in one embodiment；
Fig. 8 is the sectional view of the second detection faces figure provided in one embodiment；
Fig. 9 is the lithium ion battery structure of the detecting device schematic diagram provided in one embodiment；
Figure 10 is the lithium ion battery structure of the detecting device schematic diagram provided in one embodiment；
Figure 11 is the lithium ion battery structure of the detecting device schematic diagram provided in one embodiment；
Figure 12 is the lithium-ion battery systems structural schematic diagram provided in one embodiment.
Main element drawing reference numeral explanation
Lithium ion battery detection device 100
Box-like body 10
Detection faces 11
Visible surface 12
Wall surface 13
Battery modules storage space 101
Gas outlet 103
Visual windows 20
Cabinet safety valve 30
Cable connector 50
First cable connector 51
Second cable connector 52
Temperature detector 60
First temperature sensor 61
Second temperature sensor 62
Third temperature sensor 63
Pressure sensor 70
Battery modules 200
Battery cell safety valve 201
Guiding device 300
Lithium-ion battery systems 400
Specific embodiment
In order to which the objects, technical solutions and advantages of the application are more clearly understood, by the following examples, and combine attached
Figure, is further elaborated a kind of lithium ion battery detection device of the application.It should be appreciated that tool described herein
Body embodiment only to explain the application, is not used to limit the application.
Referring to Figure 1, a kind of lithium ion battery detection device 100 is provided in one embodiment.The lithium ion battery
Detection device 100 includes box-like body 10, cabinet safety valve 30, temperature detector 60 and multiple pressure sensors 70.
The sealing of box-like body 10 forms a battery modules storage space 101.The battery modules storage space 101
In be stored with one or more lithium-ion battery monomer or lithium ion battery mould group 200.The battery modules storage space
The lithium-ion battery monomer in 101 can be lithium ion battery with hard shell, can also be soft bag lithium ionic cell and square shell
Lithium ion battery.And the box-like body 10 has at least one detection faces 11.At least one described detection faces 11 offer
Gas outlet 103.The cabinet safety valve 30 is set to the gas outlet 103.The temperature detector 60 is set to the detection
Face 11 is spaced with the gas outlet 103 and is arranged.The multiple pressure sensor 70 is set to the detection faces 11, and described more
The setting of a interval of temperature-detecting device 60.
Specifically, the making material of the box-like body 10 can be high-temperature and high-presure resistent rubber, plastics or quartz glass.Institute
Stating box-like body 10 can be sealed by sealing ring.The box-like body 10 has the battery modules storage space 101.It is described
Lithium ion battery mould group 200 or monomer are set to the battery modules storage space 101.It can be set in the box-like body 10
Multiple lithium-ion battery monomers.Series-parallel company can be carried out between multiple lithium ion battery mould groups 200 or monomer
It connects.The surface of the box-like body 10 is provided with the cabinet safety valve 30, temperature detector 60 and pressure sensor 70.Institute
State temperature detector 60 and the pressure sensor 70 can be set to it is multiple.The temperature detector 60 and the pressure sensing
Device 70 can detecte real time temperature and pressure in the box-like body 10 at different location.Spray in the box-like body 10
When hair object concentration is higher, the pressure in the box-like body 10 can be more than its endurance.The cabinet safety valve 30 is opened at this time.
The eruption is discharged the cabinet safety valve 30.
In the present embodiment, the sealing of box-like body 10 forms a battery modules storage space 101.The battery modules
Storage space 200 is for storing lithium-ion battery monomer.And the box-like body 10 has detection faces 11, the temperature detection
Device 60 and the pressure sensor 70 are arranged at intervals at the detection faces 11.The institute of the lithium ion battery detection device 100
Lithium-ion battery monomer or the test of mould group thermal runaway can be carried out by stating in box-like body 10.When the lithium-ion battery monomer erupts
In the process, the temperature detector 60 and the pressure sensor 70 acquire lithium-ion battery monomer or mould group packet surface, surrounding
Or temperature, the pressure and other parameters at battery core center, in order to provide initial boundary conditions for numerical simulation study.When the lithium ion
Eruption can be generated in battery cell ejection process, can be exported the eruption by the cabinet safety valve 30.
Refer to Fig. 2-8, in one embodiment, the temperature detector 60 include multiple first temperature sensors 61,
Multiple second temperature sensors 62 and multiple third temperature sensors 63.The detection faces 11 include the first detection faces 111 and the
Two detection faces 112.
The multiple first temperature sensor 61 is set at least one described detection faces 11, for detecting the battery mould
The battery core central temperature of group 200.Wherein, a battery cell has a battery core.The multiple second temperature sensor 62 is set
At least one described detection faces 11 are placed in, and is spaced and is arranged with the multiple first temperature sensor 61, for the detection electricity
The surface temperature of battery cell in Chi Mo group 200.The multiple third temperature sensor 63 is set at least one described detection
Face 11, and setting is spaced with the multiple first temperature sensor 61 and the multiple second temperature sensor 62, for examining
Survey the environment temperature between the lithium ion battery detection device 100 and the battery modules 200.
Specifically, first temperature sensor 61 and the second temperature sensor 62 can use thermocouple.It is described
Thermocouple includes probe and extension line.First temperature sensor 61 it is probe internally provided inside battery cell, for detecting
The temperature of battery battery core.The probe of the second temperature sensor 62 is placed in battery cell surface, for detecting battery cell
Surface temperature.First temperature sensor 61 and the extension line of the second temperature sensor 62 are sealed in the detection faces
11.The third temperature sensor 63 can select fixed thread formula temperature sensor.When the third temperature sensor 63 selects
When with fixed thread formula temperature sensor, the stud of the third temperature sensor 63 can be enclosed in the detection faces 11 completely
It is interior.
The multiple first temperature sensor 61, the multiple second temperature sensor 62 and the multiple third temperature pass
One of sensor 63 is set to first detection faces 111 with the multiple pressure sensor 70.The multiple first temperature
Other two kinds in sensor 61, more than the two temperature sensors 62 and the multiple third temperature sensor 63 are set to
Second detection faces 112.
For example, in one embodiment, between the multiple third temperature sensor 63 and the multiple pressure sensor 70
Every being alternately disposed at first detection faces 111, the multiple first temperature sensor 61 is sensed with the multiple second temperature
Device 62, which alternates, is set to second detection faces 112.At this point, two adjacent third temperature sensors 63, two are adjacent
Pressure sensor 70 or a third temperature sensor 63 pressure sensor 70 adjacent thereto between distance be the
One distance.The first distance is within the scope of 25mm-55mm.For example the first distance can be 27mm, 30mm or 40mm.Two
A the first adjacent temperature sensor 61, two adjacent second temperature sensors 62 or first temperature sensor 61 with
Distance is second distance between its adjacent second temperature sensor 62, and the second distance is within the scope of 25mm-45mm.
For example the second distance can be 30mm or 35mm.Such as Fig. 3-Fig. 5, when the multiple first temperature sensor 61 and described more
When a second temperature sensor 62 is arranged at intervals at the second detection faces 112, the multiple first temperature sensor 61 and described more
The arrangement mode of the installation site of a second temperature sensor 62 can there are many.
Such as Fig. 6-Fig. 8, when the multiple third temperature sensor 63 and the multiple pressure sensor 70 are arranged at intervals at
When the first detection faces 111, the row of the installation site of the multiple third temperature sensor 63 and the multiple pressure sensor 70
Mode for cloth can there are many.For example, in one embodiment, the center of first detection faces 111 can install one
The third temperature sensor 63 alternately installs other third temperature sensors 63 and the multiple pressure biography equally spaced
Sensor 70.
The battery modules 200 are set to the center of the battery modules storage space 101, the battery modules
Between one in each wall surface 13 to the box-like body 10 adjacent thereto and parallel in 200 each wall surface
Distance is third distance, and the third distance is within the scope of 10mm-50mm, for example third distance is 15mm, 25mm, 35mm
Or 45mm.
In the present embodiment, the arrangement of the installation site of first temperature sensor 61 and the second temperature sensor 62
Mode may refer to Fig. 3-Fig. 5, the arrangement side of the installation site of the third temperature sensor 63 and the pressure sensor 70
Formula may refer to Fig. 6-Fig. 8.When the battery modules 200 or battery cell erupt, first temperature can be passed through
Sensor 61, the second temperature sensor 62, the third temperature sensor 63 and the pressure sensor 70 acquire respectively
Temperature, the pressure and other parameters on lithium-ion battery monomer or mould group packet surface, surrounding or battery core center, in order to be ground for numerical simulation
Offer initial boundary conditions are provided.
Fig. 9 and Figure 10 are referred to, in one embodiment, the lithium ion battery detection device 100 includes box-like body
10, visual windows 20 and cabinet safety valve 30.The wherein box-like body 10 and the cabinet safety valve 30 and above-described embodiment
In embodiment it is identical, details are not described herein again.
The box-like body 10 has detection faces 11 and visible surface 12.At least one described detection faces 11 and the visible surface
12 constitute the wall surface 13 of the box-like body 10.The encirclement of wall surface 13 forms the battery modules storage space 101.It is described can
Viewing window 20 can select transparent, oil-stain-preventing and material easy to clean.For example, the material of the visual windows 20 can be stone
English glass.The visual windows 20 are set to the visible surface 12, for observing the situation in the box-like body 10.It is described can
The area of viewing window 20 accounts for the 50% or 100% of the visible surface 12.When the area of the visual windows 20 accounts for the visible surface
12 100% when, but described window 20 is the visible surface 12.The box-like body 10 with a thickness of 5mm-15mm.Institute
The shape for stating box-like body 10 is cube shaped or cylindrical.For example, the shape of box-like body 10 described in Figure 10 is cylinder
Body.
In the present embodiment, the box-like body 10 have detection faces 11 and visible surface 12, the detection faces 11 and it is described can
It is surrounded depending on face 12 and forms the battery modules storage space 101.The detection faces 11 offer gas outlet 103.The visual window
Mouth 20 is set to the visible surface 12.Lithium can be carried out in the box-like body 10 of the lithium ion battery detection device 100
Ion battery monomer or the test of mould group thermal runaway, and observe the lithium-ion battery monomer by the visual windows 20 and erupted
Whether will appear open fire inside battery pack in journey.
Referring to Figure 11, the lithium ion battery detection device 100 further includes cable connector in one of the embodiments,
50。
The cable connector 50 includes the first cable connector 51 and the second cable connector 52.First cable connector 51 is set
It is placed in the detection faces 11.External heating equipment is by first cable connector 51 to the lithium ion battery detection device
Heat is provided in 100.Second cable connector 52 is set to detection faces 11, and sets with first cable connector 51 interval
It sets.External voltage detection device detects the voltage of the battery modules 200 by second cable connector 52.
In the present embodiment, the cable connector 50 is set to the detection faces 11, is spaced and is arranged with the gas outlet 103,
And it is electrically connected with external equipment.The cable connector 50 be used for into the lithium ion battery detection device 100 provide heat with
Convenient for carrying out lithium-ion battery monomer or the test of mould group thermal runaway or the voltage for detecting the battery modules 200.
Referring to Figure 12, in one embodiment, provide a kind of lithium-ion battery systems 400.The lithium ion battery system
System 400 includes lithium ion battery detection device 100 and guiding device 300 as described in provided by the above embodiment.The export dress
Set 300 and the cabinet safety valve 30 pass through piping connection.
Battery cell safety valve 201 is provided on the lithium-ion battery monomer as shown in figure 12.When the lithium-ion electric
When battery eruption phenomenon occurs for pond monomer, the eruption breaks through the battery cell safety valve 201.The lithium ion battery system
The lithium-ion battery monomer in system 400 can be lithium ion battery with hard shell, can also be soft bag lithium ionic cell and side
Case lithium ion battery.When the lithium-ion battery monomer is soft-package battery, the battery cell safety valve may be not present
201, at this time can the guiding device 300 according to the space layout designed, designed of the lithium-ion battery systems 100 installation
Position.The lithium-ion battery systems 400 are by the cabinet safety valve 30 and the guiding device 300 by the battery modules
Eruption export in storage space 101.
In the present embodiment, the lithium-ion battery systems 400 can be exported the eruption to far from the lithium ion
The high temperature surface of battery cell.And the lithium-ion battery systems 400 can to discharge in the eruption to extraneous ring
In border.When eruption air current flow direction change occurs with the guiding device 300, particle eruption is greater than due to inertia
Gas eruption object, and due to being solid-state, therefore can collide with the derived type structure 40, consume the energy of solid particulate matter.And
And the particle eruption deposits to the bottom of the guiding device 300 under the effect of gravity.Meanwhile gaseous state eruption by
Then gaseous state can be discharged in external environment, to realize in the eruption with the guiding device 300 under the action of pressure
High-temperature particle object and the lithium-ion battery monomer combustion mixture isolation.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to claim therefore cannot be interpreted as.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of lithium ion battery detection device (100) characterized by comprising
Box-like body (10), sealing forms a battery modules storage space (101), for storing battery modules (200), and
The box-like body (10) has at least one detection faces (11), at least one described detection faces (11) offer gas outlet
(103)；
Cabinet safety valve (30) is set to the gas outlet (103)；
Temperature detector (60) is set to the detection faces (11), is spaced and is arranged with the gas outlet (103)；And
Multiple pressure sensors (70), are set to the detection faces (11), set with the multiple temperature-detecting device (60) interval
It sets.
2. lithium ion battery detection device (100) according to claim 1, which is characterized in that at least one described detection
Face (11) includes the first detection faces (111) and the second detection faces (112)；
The temperature detector (60) includes:
Multiple first temperature sensors (61) are set at least one described detection faces (11), for detecting the battery modules
(200) battery core central temperature；
Multiple second temperature sensors (62), are set at least one described detection faces (11), and with the multiple first temperature
The setting of sensor (61) interval, the surface temperature for battery cell in detection battery modules (200)；And
Multiple third temperature sensors (63), are set at least one described detection faces (11), and with the multiple first temperature
Sensor (61) and the multiple second temperature sensor (62) are spaced setting, for detecting the lithium ion battery detection dress
Set the environment temperature between (100) and the battery modules (200)；
The multiple first temperature sensor (61), the multiple second temperature sensor (62) and the multiple third temperature pass
One of sensor (63) and the multiple pressure sensor (70) are set to first detection faces (111), and the multiple
It is another in one temperature sensor (61), more than the two temperature sensors (62) and the multiple third temperature sensor (63)
Outer two kinds are set to second detection faces (112).
3. lithium ion battery detection device (100) according to claim 2, which is characterized in that the multiple third temperature
Sensor (63) and the multiple pressure sensor (70), which alternate, is set to first detection faces (111), the multiple
First temperature sensor (61) and the multiple second temperature sensor (62), which alternate, is set to second detection faces
(112)。
4. lithium ion battery detection device (100) according to claim 3, which is characterized in that two adjacent third temperature
Spend sensor (63), two adjacent pressure sensors (70) or adjacent thereto one of a third temperature sensor (63)
Distance is first distance between pressure sensor (70), and the first distance is within the scope of 25mm-55mm.
5. lithium ion battery detection device (100) according to claim 3, which is characterized in that two adjacent first temperature
It is adjacent thereto to spend sensor (61), two adjacent second temperature sensors (62) or first temperature sensor (61)
Distance is second distance between one second temperature sensor (62), and the second distance is within the scope of 25mm-45mm.
6. lithium ion battery detection device (100) according to claim 2, which is characterized in that the battery modules (200)
It is set to the center of the battery modules storage space (101), one in each wall surface of the battery modules (200)
It is third distance, institute to the distance between one in each wall surface (13) of the box-like body (10) adjacent thereto and parallel
Third distance is stated within the scope of 10mm-50mm.
7. lithium ion battery detection device (100) according to claim 1, which is characterized in that the box-like body (10)
With visible surface (12), the wall of at least one described detection faces (11) and the visible surface (12) the composition box-like body (10)
Face (13), the wall surface (13) surround and form the battery modules storage space (101)；
The lithium ion battery detection device (100) further include:
Visual windows (20) are set to the visible surface (12), for observing the situation in the box-like body (10).
8. lithium ion battery detection device (100) according to claim 7, which is characterized in that the visual windows (20)
Area account for the 50% or 100% of the visible surface (12).
9. lithium ion battery detection device (100) according to claim 1, which is characterized in that further include:
Cable connector (50) is set at least one described detection faces (11), is spaced and is arranged with the gas outlet (103), and with
External equipment electrical connection, for providing heat or the detection battery modules into the lithium ion battery detection device (100)
(200) voltage.
10. lithium ion battery detection device (100) according to claim 9, which is characterized in that the cable connector (50)
Include:
First cable connector (51), is set at least one described detection faces (11), and external equipment is connect by first cable
Heat is provided in head (51) Xiang Suoshu lithium ion battery detection device (100)；And
Second cable connector (52) is set at least one detection faces (11), and is spaced with first cable connector (51)
Setting, external equipment detect the voltage of the battery modules (200) by second cable connector (52).
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