CN110148692A - Battery module and have its vehicle - Google Patents
Battery module and have its vehicle Download PDFInfo
- Publication number
- CN110148692A CN110148692A CN201910389593.8A CN201910389593A CN110148692A CN 110148692 A CN110148692 A CN 110148692A CN 201910389593 A CN201910389593 A CN 201910389593A CN 110148692 A CN110148692 A CN 110148692A
- Authority
- CN
- China
- Prior art keywords
- battery core
- thermal runaway
- battery
- rupture disk
- pressure release
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009413 insulation Methods 0.000 claims abstract description 41
- 238000004880 explosion Methods 0.000 claims description 39
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 23
- 229910052782 aluminium Inorganic materials 0.000 claims description 23
- 239000004411 aluminium Substances 0.000 claims description 23
- 230000005611 electricity Effects 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 abstract 4
- 239000000428 dust Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 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
-
- 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
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a battery module and a vehicle with the same. This battery module includes: the battery cell comprises a battery cell end part, and a rupture disk is arranged at the end part of the battery cell; the heat insulation plate is arranged on one side, away from the battery core, of the rupture membrane, and a pressure relief channel is formed between the rupture membrane and the heat insulation plate; and the thermal runaway detection element is used for detecting a thermal runaway signal in the pressure relief channel. According to the battery module provided by the embodiment of the invention, the rupture membrane is arranged at the end part of the battery core, when the battery core is out of control due to heat, high-temperature and high-pressure thermal runaway airflow can burst the rupture membrane, enter the pressure release channel and be discharged to the outside of the battery module through the pressure release channel, and in the process, the thermal runaway airflow can pass through the thermal runaway detection element, and the thermal runaway detection element can detect a thermal runaway signal so as to perform safety control measures on the battery core. In addition, the pressure release channel can make thermal runaway air current arrange to the battery module outside along specific route to reduce the influence of thermal runaway air current to other electric cores.
Description
Technical field
The present invention relates to Vehicular battery technical fields, in particular to a kind of battery modules and with its vehicle.
Background technique
Battery core energy density at present in the battery modules on vehicle is higher and higher, and the energy of battery core is increasing, energy
The raising of metric density causes thermal runaway (i.e. battery core top cover is washed open by the high pressure draught in the battery core) risk of battery core to improve.But
Current battery modules not can thermal pressure thermal runaway to the battery core in battery modules carry out the functions of Detection & Controling, from
And in the case where the energy of battery core is continuously improved, the harm of battery core thermal runaway is also continuously improved.
Summary of the invention
The present invention is directed to solve one of above-mentioned technical problem in the prior art at least to a certain extent.For this purpose, this hair
Bright to propose a kind of battery modules, which, can be high by high temperature that thermal runaway battery core sprays when thermal runaway occurs for battery core
Pressure gas stream is discharged outside battery modules, and carries out Detection & Controling in time, guarantees the work safety of battery modules.
The invention also provides a kind of vehicles with above-mentioned battery modules.
Battery modules according to an embodiment of the present invention include: battery core, thermal insulation board, thermal runaway detecting element, the battery core tool
Have a battery core end, the battery core end is provided with rupture disk, the thermal insulation board be arranged in the rupture disk away from the electricity
The side of core forms pressure release passage between the rupture disk and the thermal insulation board, the thermal runaway detecting element is for detecting institute
State the thermal runaway signal in pressure release passage.
Battery modules according to an embodiment of the present invention, by the way that rupture disk is arranged in the battery core end of battery core, when battery core occurs
When thermal runaway, high temperature and pressure thermal runaway air-flow can break through rupture disk, drain into battery mould into pressure release passage, and through pressure release passage
Group is external, and in the process, thermal runaway air-flow can pass through thermal runaway detecting element, and thermal runaway detecting element can detecte heat mistake
Signal is controlled, so that controller or user carry out safety control measures to battery core.In addition, the setting of pressure release passage, it is ensured that heat is lost
Control air-flow can drain into outside battery modules along particular path, to reduce influence of the thermal runaway air-flow to other battery cores.
According to some embodiments of the present invention, the thermal runaway detecting element is arranged inside the pressure release passage, or sets
It sets in the exit of the pressure release passage.
According to some embodiments of the present invention, the rupture disk is the unidirectional rupture disk ruptured towards the thermal insulation board.
Specifically, the rupture disk is arranged on the explosion plate with heat-blocking action.
According to some embodiments of the present invention, the explosion plate is convex towards support is provided on the surface of the thermal insulation board
Platform, to form the pressure release passage between the explosion plate and the thermal insulation board.
According to some embodiments of the present invention, battery modules further include: aluminium row, multiple battery cores are real by aluminium row
Existing serial or parallel connection.
Further, aluminium row is arranged between the explosion plate and the battery core, and the explosion plate towards institute
It states and is additionally provided with heating element on the surface of aluminium row.
Specifically, the battery core is mounted in battery core bracket, and battery core bracket hole, the aluminium are provided in the battery core bracket
Be provided with air-flow through-hole on row, the battery core bracket hole respectively with the battery core end, the air-flow through-hole, the rupture disk just
It is right.
Specifically, the battery core end is positive terminal.
Optionally, the thermal runaway detecting element is pressure sensor or heat-sensitive sensor or dust monitor.
The vehicle of embodiment according to a further aspect of the invention, including above-mentioned battery modules.
Detailed description of the invention
Fig. 1 is the schematic diagram of the thermal insulation board of battery modules；
Fig. 2 is schematic surface of the explosion plate towards thermal insulation board；
Fig. 3 is schematic surface of the explosion backboard to thermal insulation board；
Fig. 4 is the dismantling schematic diagram of battery modules；
Fig. 5 is the assembling schematic diagram of battery modules；
Fig. 6 is the enlarged diagram in Fig. 5 at A.
Appended drawing reference:
Battery modules 10, battery core 1, top cover 11, explosion plate 2, rupture disk 21, rupture disk mounting hole 211, support rim 22,
Heating element 23, thermal insulation board 3, thermal runaway detecting element 4, aluminium arrange 5, electrical interface 51, air-flow through-hole 52, battery core bracket 6, battery core branch
Frame aperture 61, bracket limit plate 62, pressure release passage F, first point of mould group 71, second points of mould groups 72, thirds divide mould group 73.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, the orientation or position of the instructions such as term "top", "bottom", "inner", "outside"
Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is interpreted as limitation of the present invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate with each other；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art,
The specific meanings of the above terms in the present invention can be understood according to specific conditions.
Battery modules 10 according to an embodiment of the present invention are described in detail below with reference to Fig. 1-Fig. 6.
Referring to shown in Fig. 4, Fig. 6, battery modules 10 according to an embodiment of the present invention may include: battery core 1, rupture disk 21,
Thermal insulation board 3 and thermal runaway detecting element 4, battery core 1 is interior to have highdensity energy, and required electric power can be provided for vehicle, leads to
It crosses multiple battery cores 1 to be applied in combination, the reserve of electricity of battery modules 10 can be increased.
Battery core 1 has battery core end, and when thermal runaway occurs for battery core 1, explosion, high temperature and pressure gas easily occur for battery core end
Stream is spouting from battery core end, and the battery core end of battery core 1 is arranged in rupture disk 21, and rupture disk 21 can be by 1 battery core end of battery core
The high pressure draught that portion sprays is broken through.
The side away from battery core 1 of rupture disk 21 is arranged in thermal insulation board 3, and in other words, the electricity of battery core 1 is arranged in rupture disk 21
Between core end and thermal insulation board 3, pressure release passage F is formed between rupture disk 21 and thermal insulation board 3, is sprayed from the battery core end of battery core 1
High pressure draught break through after rupture disk 21 and can enter in pressure release passage F, thermal runaway detecting element 4 is for detecting pressure release passage F
Interior thermal runaway signal.
Pressure release passage F can be formed in the flat space (such as rectangular parallelepiped space) between rupture disk 21 and thermal insulation board 3,
And the surrounding in the flat space is in communication with the outside, and thermal runaway air-flow enters after pressure release passage F, along the flat spatial flow, and
It is discharged from the surrounding in flat space, is conducive to the velocity of discharge for improving thermal runaway air-flow, accelerated the discharge of thermal runaway air-flow, prevent
Thermal runaway air-flow rapidly gathers inside battery modules 10 and leads to the danger such as explosion.
Specifically, when thermal runaway occurs for single battery core 1, the thermal runaway air-flow of high temperature and pressure is from the battery core end of battery core 1
Portion is sharply spouting, rushes at rupture disk 21, enters in pressure release passage F after rupture disk 21 is broken through, and drain into through pressure release passage F
Outside battery modules 10.In the process, thermal runaway air-flow can pass through thermal runaway detecting element 4, and thermal runaway detecting element 4 can be with
It detects thermal runaway signal, prompts battery core 1 that thermal runaway occurs.
In a particular embodiment, thermal runaway detecting element 4 can there are many ways of realization, such as when thermal runaway detecting element
When the parameter of 4 detections varies widely, show have battery core 1 that thermal runaway occurs.
In some alternative embodiments, thermal runaway detecting element 4 can be pressure sensor, and pressure sensor can be right
Stream pressure in pressure release passage F is detected, when change dramatically occurs for the pressure in pressure release passage F, such as pressure sensing
When device detects that pressure value is greater than targets threshold, show have battery core 1 that thermal runaway occurs.
In other optional embodiments, thermal runaway detecting element 4 can be heat-sensitive sensor, and heat-sensitive sensor can be with
Temperature in pressure release passage F is detected, when change dramatically occurs for the gas flow temperature in pressure release passage F, such as temperature-sensitive passes
When sensor detects that temperature value is greater than targets threshold, show have battery core 1 that thermal runaway occurs.
In some other optional embodiment, thermal runaway detecting element 4 can also be dust monitor, dust monitor
Dust in pressure release passage F can be detected, when the dust quantity carried in the air-flow in pressure release passage F sharply increases
When, such as when dust monitor detects that dust quantity is greater than targets threshold, show to have battery core 1 that thermal runaway occurs.
In a particular embodiment, thermal runaway detecting element 4 can be connected with controller, when thermal runaway occurs for battery core 1, electricity
After the high-temperature high-pressure air flow that core 1 is issued breaks through rupture disk 21, pressure release passage F can be sprayed into and be discharged to the external world along pressure release passage F,
During this, the parameter that thermal runaway detecting element 4 detects is varied widely, and shows that thermal runaway detecting element 4 detects hot mistake
Signal is controlled, signal is passed to controller by thermal runaway detecting element 4 later, and then, controller can take corresponding safety measure,
For example, controller can control the power-off of battery modules 10 or control alarm device signal an alert, so as to remind use in time
Family repairs or repairs to battery core 1, guarantees reliable operation, the safety of battery modules 10.
When thermal runaway occurs for battery core, the easy explosion of anode of battery core, therefore above-mentioned battery core end is positive terminal.Rupture disk 21
It is arranged at the positive terminal of battery core 1.
Certainly, in some embodiments, if explosion easily occurs for the cathode of battery core, above-mentioned battery core end may be cathode
End.
Battery modules 10 according to an embodiment of the present invention work as battery core by the way that rupture disk 21 is arranged in the battery core end of battery core 1
When 1 generation thermal runaway, high temperature and pressure thermal runaway air-flow can break through rupture disk 21, into pressure release passage F, and through pressure release passage F
It drains into outside battery modules 10, in the process, thermal runaway air-flow can pass through thermal runaway detecting element 4, thermal runaway detecting element 4
It can detecte thermal runaway signal, so that controller or user carry out safety control measures to battery core 1.In addition, pressure release passage F
Setting, it is ensured that thermal runaway air-flow can drain into outside battery modules 10 along particular path, to reduce thermal runaway air-flow to it
The influence of its battery core 1 prevents the heat sprawling in battery modules 10 between each battery core 1.
Optionally, thermal runaway detecting element 4 may be provided inside pressure release passage F, may also be arranged on the outlet of pressure release passage F
Place.After the thermal runaway air-flow that battery core 1 is issued breaks through rupture disk 21, it can enter in pressure release passage F, finally be arranged from pressure release passage F
Out, no matter thermal runaway detecting element 4 is located inside pressure release passage F or positioned at the exit of pressure release passage F, thermal runaway detection
Element 4 can contact thermal runaway air-flow, so that the thermal runaway signal that will test feeds back to controller or user, to guarantee battery mould
The safety in utilization of group 10.
Preferably, the battery core end of each battery core 1 is correspondingly arranged on a thermal runaway detecting element 4, in other words, thermal runaway
Detecting element 4 is preferably arranged to correspond with battery core end, and each battery core 1 has corresponding thermal runaway detecting element 4 as a result,
It can be detected, be monitored, when thermal runaway occurs for one of battery core 1, need to only disconnect the company of the battery core 1 and other battery cores
It connects, dangerous sprawling can be prevented, other battery cores is not interfered to work on, be conducive to the utilization rate for improving battery modules 10.
Optionally, thermal runaway detecting element 4 can be fixed on the side towards battery core 3 of thermal insulation board 3.
Thermal insulation board 3 has heat insulating function, and when thermal runaway occurs for battery core 1, thermal insulation board 3 can be carried out high-temperature high-pressure air flow
Barrier, the normal work for the other component for preventing high-temperature high-pressure air flow from influencing outside battery modules 10.
Specifically, as shown in Fig. 2, rupture disk 21 is arranged on explosion plate 2, and explosion plate 2 has heat-blocking action, anti-stopping leak
Heat in pressure passageway F is transmitted at battery core 1 again through explosion plate 2.
Multiple rupture disk mounting holes 211 are provided on explosion plate 2, the corresponding battery core 1 of each rupture disk mounting hole 211
Battery core end, and it is provided with rupture disk 21 at each rupture disk mounting hole 211, when thermal runaway occurs for single battery core 1, with this
The rupture disk 21 of the battery core end face of battery core 1 ruptures, and the rupture disk 21 of the battery core end face of other battery cores is intact,
The thermal runaway air-flow heat that explosion plate 2 can prevent single battery core 1 from being leaked influences periphery others battery core 1 and other zero
The work of part, i.e. thermal insulation board 3 and explosion plate 2 can stop heat, and heat is limited in pressure release passage F, and is passed through
Pressure release passage F is ultimately discharged into outside battery modules 10, guarantees that battery modules 10 have preferable security performance.
In other words, by the way that the one-to-one rupture disk 21 in battery core end with battery core 1 is arranged on explosion plate 2, when single
When thermal runaway occurs for battery core 1, explosion can occur for the rupture disk 21 of the corresponding 1 battery core end of battery core, to guarantee to work as single battery core 1
When thermal runaway occurs, generated high temperature and pressure thermal runaway air-flow enters pressure release passage F and is discharged to from corresponding rupture disk 21
The external world, and then thermal runaway air-flow can be efficiently controlled, other battery cores 1 are had an impact, prevent in battery modules 10 battery core 1 it
Between heat sprawling.
Further, as shown in figure 3, the battery core end of battery core 1 is provided with top cover 11, the thermal runaway air-flow in battery core 1 can
Top cover 11 is washed open.In some embodiments, the thermal runaway detecting element 4 on the rupture disk 21 on explosion plate 2 and thermal insulation board 3 is being just
To the top cover 11 of battery core 1, guarantee when the top cover 11 of battery core 1 is opened by thermal runaway air-flow, thermal runaway air-flow can break through explosion
Film 21 simultaneously directly rushes at thermal runaway detecting element 4, thus guarantee that thermal runaway detecting element 4 detects thermal runaway signal in time, and
And thermal runaway air-flow can be discharged to the external world through pressure release passage F in time by battery modules 10.
Further, rupture disk 21 is the unidirectional rupture disk 21 ruptured towards thermal insulation board 3, when each battery core 1 is one corresponding
When rupture disk 21, the unidirectional blasting property of rupture disk 21 can both guarantee that the thermal runaway air-flow of battery core 1 broke through corresponding rupture disk 21
Afterwards, it can be directly entered pressure release passage F, thermal runaway detecting element 4 is made to detect thermal runaway signal, so as in time to battery core
1 takes control, and can prevent thermal runaway air-flow from reversely breaking through other rupture disks 21.When the battery core end direction of multiple battery cores 1
When the same rupture disk 21, the unidirectional blasting property of rupture disk 21 can guarantee that the heat of this part battery core 1 enters pressure release passage
F, without influencing other positions battery core.
Further, as shown in figure 3, explosion plate 2 towards being provided with support rim 22 on the surface of thermal insulation board 3, with
Above-mentioned pressure release passage F is formed between explosion plate 2 and thermal insulation board 3, support rim 22 extends towards the direction of thermal insulation board 3, thus
The surface of explosion plate 2 is protruded, therefore, after explosion plate 2 and the mating connection of thermal insulation board 3, is had between explosion plate 2 and thermal insulation board 3
Certain gap, the gap are pressure release passage F, to guarantee that after thermal runaway occurs for battery core 1, high pressure draught can be logical along pressure release
Road F is discharged to the external world.Support rim 22 is used as rigid support, can prevent pressure release passage F from disappearing under the percussion of air-flow.This
When, pressure release passage F is the flat space with multiple support rims 22.
Referring to shown in Fig. 2-Fig. 3, there are four rupture disk mounting holes 211 for the periphery of each support rim 22, in other words, branch
It supports boss 22 to be arranged between adjacent four rupture disk mounting holes 211, thus support rim 22 can play the intensity of explosion plate 2
To booster action, avoids 211 quantity of rupture disk mounting hole excessive and cause the intensity of explosion plate 2 weaker.
Further, with reference to shown in Fig. 4, Fig. 6, battery modules 10 can also include: aluminium row 5, and aluminium row 5 has good lead
Electrical property and thermal conductivity, and lighter in weight, will not dramatically increase 10 weight of battery modules, and multiple battery cores 1 are realized by aluminium row 5 and connected
Or it is in parallel, to guarantee the normal power supply of battery modules 10.
The battery core end of battery core 1 is positive terminal, and inside battery modules 10, form that there are many arranged directions of battery core 1,
Such as in one embodiment, the positive terminal of all battery cores is towards the same direction, at this time only need to all battery cores 1 positive terminal that
Rupture disk 21, thermal insulation board 3, thermal runaway detecting element 4 is arranged in side, and negative pole end be due to that will not occur explosion, can
To save rupture disk 21, thermal insulation board 3, thermal runaway detecting element 4, be thus conducive to the structure for simplifying battery modules 10, be battery core 1
More spaces are reserved, to promote the reserve of electricity of battery modules 10.
Or in another embodiment, the positive terminal arranged direction of two neighboring battery core is on the contrary, at this point, be suitble in battery core
1 both ends are respectively provided with rupture disk 21, thermal insulation board 3, thermal runaway detecting element 4.
Or In yet another embodiment, there are multiple points of mould groups inside battery modules 10, each dividing the battery core of mould group just
Extremely towards the same direction, and the battery core positive terminal of two neighboring point of mould group is towards opposite direction.At this point, can be only in each point of mould
Rupture disk 21, thermal insulation board 3, thermal runaway detecting element 4 is arranged in the battery core positive terminal of group, each divides at the battery core negative pole end of mould group not
Rupture disk 21, thermal insulation board 3, thermal runaway detecting element 4 are set again.
In the fig. 4 embodiment, there are three divide mould group, i.e. first point of mould group, second point of mould group to tool inside battery modules 10
Divide mould group with third, first point of mould group and third divide the battery core positive terminal of mould group towards a left side, the battery core positive terminal court of second point of mould group
Therefore the right side can divide the left side of mould group that rupture disk 21, thermal insulation board 3, thermal runaway detecting element 4 is arranged in first point of mould group and third,
On the right side of second point of mould group, rupture disk 21, thermal insulation board 3, thermal runaway detecting element 4 are set.
Referring to shown in Fig. 4, each aluminium row 5 has electrical interface 51, and 51 quantity of electrical interface on the same aluminium row 5 can be more
A, the electrical interface 51 that the interface of each point of mould group can arrange 5 with aluminium is electrically connected, to realize the serial or parallel connection of each point of mould group.Electricity
Interface 51 extends towards 1 direction of battery core, is conducive to shorten connecting wire length, guarantees that the arrangement of 10 inner lead of battery modules is whole
Together.
Further, aluminium row 5 be arranged between explosion plate 2 and battery core 1, and explosion plate 2 towards aluminium row 5 surface on also
It is provided with heating element 23, heating element 23 can be in low temperature environment to 5 heating of aluminium row, and heat is transmitted to battery core from aluminium row 5
1, meet battery core 1 and still is able to work normally at low temperature.In some embodiments, heating element 23 can be heater strip.
Specifically, with reference to shown in Fig. 4-Fig. 6, battery core 1 is mounted in battery core bracket 6, battery core bracket 6 can to battery core 1 into
Row support, and multiple battery cores 1 are flocked together, to form battery modules 10, specifically, it is provided in battery core bracket 6
Battery core bracket hole 61, the gas that battery core 1 sprays can be discharged from battery core bracket hole 61.
Battery core bracket 6 also has bracket limit plate 62, and the periphery of battery core 1 is arranged in bracket limit plate 62, and to battery core 1
Position is limited, and in the embodiment shown in fig. 5, the both ends of battery core 1 are provided with battery core bracket 6, the bracket of battery core bracket 6
Limit plate 62 limits battery core 1 from both ends, is conducive to promote fixation degree of the battery core 1 inside battery modules 10.
Optionally, bracket limit plate 62 is 1/5th of 1 length of battery core to the limit length of battery core 1.
Specifically, as shown in figs. 4 and 6, it is provided with air-flow through-hole 52 on aluminium row 5, battery core bracket hole 61 is logical with air-flow respectively
Hole 52, the battery core end of battery core 1,21 face of rupture disk, the high-temperature high-pressure air flow that battery core end is erupted when 1 thermal runaway of battery core can
To rush at rupture disk 21 through battery core bracket hole 61, air-flow through-hole 52, and then enter pressure release passage F, then triggers thermal runaway detection
Element 4, the controller of battery modules 10 take corresponding control measure.
Battery core bracket hole 61 respectively with battery core end, air-flow through-hole 52, rupture disk 21, thermal runaway monitoring element 4 one by one
It is corresponding, the battery core to go wrong can quickly be positioned by thermal runaway monitoring element 4 as a result, be easy to adjust control strategy, help
In the battery management system judgement of battery modules 10 and policy control, failure battery core 1 is effectively inhibited to draw Surrounding Parts
Combustion, improves the security level of battery system.
Battery modules 10 according to the present invention have the following characteristics that
1, thermal runaway detecting element 4 can detect the thermal runaway signal in pressure release passage F, guarantee battery modules 10
Control can be taken to thermal runaway battery core 1 in time；
2, explosion plate 2 is equipped with unidirectional rupture disk 21, guarantees that battery core 1 can unidirectionally break through rupture disk 21 in thermal runaway,
And be discharged from pressure release passage F, it effectively prevent thermal runaway battery core 1 to influence periphery battery core 1 and the normal work of other components, mentions
The high safety of battery modules 10；
3, explosion plate 2 and thermal insulation board 3 all have heat insulating function, it is ensured that the thermal current heat that thermal runaway battery core 1 is issued is not
It is transmitted to inside battery modules 10；
4, heating element 23 can arrange aluminium 5 heating, and transfer heat to battery core 1, guarantee battery modules 10 at low temperature
Normal work.
The vehicle of embodiment according to a further aspect of the invention, the battery modules 10 including above-described embodiment.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means particular features, structures, materials, or characteristics described in conjunction with this embodiment or example
It is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms need not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.In addition, those skilled in the art can illustrate this
Different embodiments or examples described in book are engaged and are combined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of battery modules characterized by comprising
Battery core, the battery core have battery core end, and the battery core end is provided with rupture disk；
Thermal insulation board, the thermal insulation board are arranged in the side away from the battery core of the rupture disk, the rupture disk and it is described every
Pressure release passage is formed between hot plate；
Thermal runaway detecting element, the thermal runaway detecting element are used to detect the thermal runaway signal in the pressure release passage.
2. battery modules according to claim 1, which is characterized in that the thermal runaway detecting element is arranged in the pressure release
Channel interior, or the exit of the pressure release passage is set.
3. battery modules according to claim 1, which is characterized in that the rupture disk is to rupture towards the thermal insulation board
Unidirectional rupture disk.
4. battery modules according to claim 1 or 3, which is characterized in that the rupture disk is arranged with heat-blocking action
Explosion plate on.
5. battery modules according to claim 4, which is characterized in that the surface towards the thermal insulation board of the explosion plate
On be provided with support rim, to form the pressure release passage between the explosion plate and the thermal insulation board.
6. battery modules according to claim 4, which is characterized in that further include: aluminium row, multiple battery cores pass through described
Aluminium row realizes serial or parallel connection.
7. battery modules according to claim 6, which is characterized in that the aluminium row is arranged in the explosion plate and the electricity
Between core, and heating element is additionally provided on the surface of the explosion plate arranged towards the aluminium.
8. battery modules according to claim 6, which is characterized in that the battery core is mounted in battery core bracket, the electricity
Be provided with battery core bracket hole in core support, be provided with air-flow through-hole on the aluminium row, the battery core bracket hole respectively with the electricity
Core end, the air-flow through-hole, the rupture disk face.
9. battery modules according to claim 1 to 8, which is characterized in that the battery core end is positive terminal.
10. a kind of vehicle, which is characterized in that including battery modules according to claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910389593.8A CN110148692A (en) | 2019-05-10 | 2019-05-10 | Battery module and have its vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910389593.8A CN110148692A (en) | 2019-05-10 | 2019-05-10 | Battery module and have its vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110148692A true CN110148692A (en) | 2019-08-20 |
Family
ID=67594168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910389593.8A Pending CN110148692A (en) | 2019-05-10 | 2019-05-10 | Battery module and have its vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110148692A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518168A (en) * | 2019-08-31 | 2019-11-29 | 重庆长安汽车股份有限公司 | A kind of battery pack thermal runaway guard system |
| CN110739424A (en) * | 2019-10-28 | 2020-01-31 | 广州小鹏汽车科技有限公司 | Thermal runaway monitoring method for battery boxes and battery boxes |
| CN112531246A (en) * | 2019-08-31 | 2021-03-19 | 比亚迪股份有限公司 | Battery tray, power battery package and vehicle |
| CN112635882A (en) * | 2020-12-29 | 2021-04-09 | 蜂巢能源科技有限公司 | Battery module, power battery and vehicle |
| CN112838283A (en) * | 2019-11-01 | 2021-05-25 | 奥迪股份公司 | Battery system for vehicle and vehicle |
| CN113013545A (en) * | 2021-03-01 | 2021-06-22 | 苏州清陶新能源科技有限公司 | Laminate polymer battery and battery module |
| CN113437427A (en) * | 2020-03-05 | 2021-09-24 | 奥迪股份公司 | Battery system and vehicle |
| CN113437426A (en) * | 2020-03-05 | 2021-09-24 | 奥迪股份公司 | Battery system and vehicle |
| WO2022170485A1 (en) * | 2021-02-09 | 2022-08-18 | 宁德时代新能源科技股份有限公司 | Battery, electric device, and method and device for manufacturing battery |
| CN113646960B (en) * | 2020-06-18 | 2023-06-27 | 东莞新能安科技有限公司 | Battery pack and electric vehicle |
| WO2023142529A1 (en) * | 2022-01-29 | 2023-08-03 | 湖北亿纬动力有限公司 | Battery cell module and battery system |
| WO2023151296A1 (en) * | 2022-02-11 | 2023-08-17 | 湖北亿纬动力有限公司 | Battery module and electric vehicle |
| WO2024001482A1 (en) * | 2022-06-29 | 2024-01-04 | 宁德时代新能源科技股份有限公司 | Battery and electrical device |
| WO2024077450A1 (en) * | 2022-10-10 | 2024-04-18 | 宁德时代新能源科技股份有限公司 | Energy storage apparatus and energy storage system |
| WO2024093556A1 (en) * | 2022-11-03 | 2024-05-10 | 湖北亿纬动力有限公司 | Battery pack, vehicle, and thermal runaway detection method for battery pack |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011065906A (en) * | 2009-09-18 | 2011-03-31 | Panasonic Corp | Battery module |
| CN103081164A (en) * | 2010-08-06 | 2013-05-01 | 松下电器产业株式会社 | Cell module |
| CN205752284U (en) * | 2016-01-18 | 2016-11-30 | 上海中兴派能能源科技有限公司 | A kind of battery module structure |
| CN106602177A (en) * | 2016-12-16 | 2017-04-26 | 浙江南都电源动力股份有限公司 | Module top heating system suitable for soft package power battery and control method |
| CN206774615U (en) * | 2017-06-16 | 2017-12-19 | 宁波利维能储能系统有限公司 | The anti-thermal runaway structure of battery module battery core |
| CN206992202U (en) * | 2017-04-12 | 2018-02-09 | 苏州科易新动力科技有限公司 | A kind of module smoke evacuation heat insulation structural |
| CN207233837U (en) * | 2017-09-30 | 2018-04-13 | 惠州市亿能电子有限公司 | A kind of spliced battery module in U-shaped circuit |
-
2019
- 2019-05-10 CN CN201910389593.8A patent/CN110148692A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011065906A (en) * | 2009-09-18 | 2011-03-31 | Panasonic Corp | Battery module |
| CN103081164A (en) * | 2010-08-06 | 2013-05-01 | 松下电器产业株式会社 | Cell module |
| CN205752284U (en) * | 2016-01-18 | 2016-11-30 | 上海中兴派能能源科技有限公司 | A kind of battery module structure |
| CN106602177A (en) * | 2016-12-16 | 2017-04-26 | 浙江南都电源动力股份有限公司 | Module top heating system suitable for soft package power battery and control method |
| CN206992202U (en) * | 2017-04-12 | 2018-02-09 | 苏州科易新动力科技有限公司 | A kind of module smoke evacuation heat insulation structural |
| CN206774615U (en) * | 2017-06-16 | 2017-12-19 | 宁波利维能储能系统有限公司 | The anti-thermal runaway structure of battery module battery core |
| CN207233837U (en) * | 2017-09-30 | 2018-04-13 | 惠州市亿能电子有限公司 | A kind of spliced battery module in U-shaped circuit |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531246B (en) * | 2019-08-31 | 2022-06-14 | 比亚迪股份有限公司 | Battery tray, power battery package and vehicle |
| CN112531246A (en) * | 2019-08-31 | 2021-03-19 | 比亚迪股份有限公司 | Battery tray, power battery package and vehicle |
| CN110518168A (en) * | 2019-08-31 | 2019-11-29 | 重庆长安汽车股份有限公司 | A kind of battery pack thermal runaway guard system |
| CN110739424A (en) * | 2019-10-28 | 2020-01-31 | 广州小鹏汽车科技有限公司 | Thermal runaway monitoring method for battery boxes and battery boxes |
| CN112838283B (en) * | 2019-11-01 | 2024-06-11 | 奥迪股份公司 | Battery system for vehicle and vehicle |
| CN112838283A (en) * | 2019-11-01 | 2021-05-25 | 奥迪股份公司 | Battery system for vehicle and vehicle |
| CN113437427A (en) * | 2020-03-05 | 2021-09-24 | 奥迪股份公司 | Battery system and vehicle |
| CN113437426A (en) * | 2020-03-05 | 2021-09-24 | 奥迪股份公司 | Battery system and vehicle |
| CN113646960B (en) * | 2020-06-18 | 2023-06-27 | 东莞新能安科技有限公司 | Battery pack and electric vehicle |
| CN112635882B (en) * | 2020-12-29 | 2022-05-27 | 蜂巢能源科技有限公司 | Battery module, power battery and vehicle |
| CN112635882A (en) * | 2020-12-29 | 2021-04-09 | 蜂巢能源科技有限公司 | Battery module, power battery and vehicle |
| WO2022170485A1 (en) * | 2021-02-09 | 2022-08-18 | 宁德时代新能源科技股份有限公司 | Battery, electric device, and method and device for manufacturing battery |
| CN113013545A (en) * | 2021-03-01 | 2021-06-22 | 苏州清陶新能源科技有限公司 | Laminate polymer battery and battery module |
| CN113013545B (en) * | 2021-03-01 | 2023-10-27 | 苏州清陶新能源科技有限公司 | Soft package battery and battery module |
| WO2023142529A1 (en) * | 2022-01-29 | 2023-08-03 | 湖北亿纬动力有限公司 | Battery cell module and battery system |
| WO2023151296A1 (en) * | 2022-02-11 | 2023-08-17 | 湖北亿纬动力有限公司 | Battery module and electric vehicle |
| WO2024001482A1 (en) * | 2022-06-29 | 2024-01-04 | 宁德时代新能源科技股份有限公司 | Battery and electrical device |
| WO2024077450A1 (en) * | 2022-10-10 | 2024-04-18 | 宁德时代新能源科技股份有限公司 | Energy storage apparatus and energy storage system |
| WO2024093556A1 (en) * | 2022-11-03 | 2024-05-10 | 湖北亿纬动力有限公司 | Battery pack, vehicle, and thermal runaway detection method for battery pack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110148692A (en) | Battery module and have its vehicle | |
| WO2020220880A1 (en) | Thermal runaway detection circuit and method | |
| JP5119302B2 (en) | Active thermal runaway mitigation system for use in battery packs | |
| KR100778435B1 (en) | System for extinguishing fire of secondary battery module | |
| CN110313080A (en) | Battery pack including fire extinguishing system | |
| EP3761397B1 (en) | Battery module and battery pack | |
| US20190359070A1 (en) | Battery with extinguishing device, and motor vehicle | |
| WO2020220560A1 (en) | Thermal runaway detection circuit | |
| CN210224157U (en) | Battery module, power battery package and vehicle | |
| US20130214802A1 (en) | Submergence detecting device | |
| CN112688019A (en) | Power battery heat flow discharge device and power battery heat flow discharge method | |
| JP2015012797A (en) | Overcharge prevention device of battery | |
| EP3955333B1 (en) | Upper cover assembly and battery pack | |
| CN111668422A (en) | Battery module, power battery package and vehicle | |
| KR102531012B1 (en) | Electric mobility charging cable having fire extinguishing agent pipes, and inlet, connector and battery pack integrated with the same | |
| CN115548495A (en) | Battery pack, vehicle and thermal runaway detection method for battery pack | |
| CN209200034U (en) | Battery pack and vehicle | |
| CN112259838A (en) | Battery module structure and battery | |
| CN218677287U (en) | Battery package and vehicle | |
| CN109356706A (en) | A kind of monitoring of dual fuel engine and cooling device | |
| CN213520164U (en) | Battery module structure and battery | |
| CN213878331U (en) | Module exhaust structure and device | |
| CN211125703U (en) | Battery pack with alarm device | |
| CN113036237B (en) | Battery pack cooling liquid leakage detection system and vehicle | |
| CN218160567U (en) | Shell structure of battery pack, power battery pack and battery management system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190820 |