WO2020134051A1 - 电池托盘及动力电池包 - Google Patents
电池托盘及动力电池包 Download PDFInfo
- Publication number
- WO2020134051A1 WO2020134051A1 PCT/CN2019/097479 CN2019097479W WO2020134051A1 WO 2020134051 A1 WO2020134051 A1 WO 2020134051A1 CN 2019097479 W CN2019097479 W CN 2019097479W WO 2020134051 A1 WO2020134051 A1 WO 2020134051A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bottom plate
- gas
- battery
- gas channel
- side beam
- Prior art date
Links
- 238000005192 partition Methods 0.000 claims abstract description 117
- 239000000779 smoke Substances 0.000 claims abstract description 95
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims 2
- 238000000034 method Methods 0.000 description 8
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 229920002323 Silicone foam Polymers 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000013514 silicone foam Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- H01M50/358—External gas exhaust passages located on the battery cover or case
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
- A62C3/08—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles in aircraft
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- 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
- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
-
- 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
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- 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
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
- H01M50/291—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
-
- 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
-
- 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
-
- 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
- H01M50/367—Internal gas exhaust passages forming part of the battery cover or case; Double cover vent systems
-
- 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
- H01M50/375—Vent means sensitive to or responsive to 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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/383—Flame arresting or ignition-preventing means
-
- 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
- H01M50/394—Gas-pervious parts or elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/20—Pressure-sensitive devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
Definitions
- the present disclosure relates to the field of electric vehicles, and in particular, to a battery tray and a power battery pack.
- the power battery pack is the core component of hybrid electric vehicles and electric vehicles.
- the power battery pack is mainly composed of several battery cells, a battery tray, and a cover plate.
- the battery tray is installed at the bottom of the car, and the cover plate is sealedly connected with the battery tray and jointly forms an enclosed space for accommodating the battery cells.
- the battery cell is usually provided with an explosion-proof valve structure.
- the explosion-proof valve opens, and the flame, smoke, or gas inside the battery cell is discharged through the explosion-proof valve.
- the discharged flame, smoke, or gas will accumulate inside the battery pack and cannot be discharged in time, which may easily cause secondary damage to the battery or affect other batteries.
- An object of the present disclosure is to provide a battery tray that can effectively prevent flame, smoke, or gas discharged from battery cells from accumulating inside the battery pack.
- the present disclosure provides a battery tray including a tray body, the tray body includes a bottom plate, a side beam, and a plurality of partition plates, the side beam is disposed around the bottom plate and is common with the bottom plate A storage space for battery cells is defined, the separator is provided on the bottom plate and divides the bottom plate into several areas for placing battery cells, and the interior of the separator and the side beam are formed There are gas channels and penetrate each other, the partition plate is provided with a plurality of air inlet holes, and the side beam is provided with at least one air outlet hole, the air inlet hole is used to discharge the flame, smoke or gas of the battery cell The gas channel is introduced, and the exhaust hole is used to exhaust flame, smoke or gas in the gas channel.
- the partition and the side beam are both hollow structures, and the hollow structure serves as the gas channel.
- a gas channel is formed inside the bottom plate, a gas channel inside the separator penetrates a gas channel inside the bottom plate, and a gas channel inside the bottom plate penetrates a gas channel inside the side beam .
- the partition, the side beams, and the bottom plate are all hollow structures, and the hollow structure serves as the gas channel.
- the battery tray further includes a battery pack explosion-proof valve, and the exhaust hole is blocked by the battery pack explosion-proof valve.
- the battery tray further includes at least one of a smoke and gas sensor, and at least one of the smoke and gas sensor is disposed in the gas channel.
- the present disclosure also provides a battery tray including a tray body.
- the tray body includes a bottom plate, a side beam, and a plurality of partition plates.
- the side beam is disposed around the bottom plate and defines a battery unit with the bottom plate.
- the space for the body, the separator is provided on the bottom plate and divides the bottom plate into several areas for placing battery cells, and gas channels are formed inside the separator and inside the bottom plate
- the partition plate is provided with a plurality of air inlet holes
- the bottom plate is provided with at least one air outlet hole, the air inlet hole is used to introduce the flame, smoke or gas discharged from the battery cell into the gas channel,
- the exhaust hole is used to exhaust flame, smoke or gas in the gas channel.
- the separator and the bottom plate are both hollow structures, and the hollow structure serves as the gas channel.
- a gas channel is formed inside the side beam, a gas channel inside the partition penetrates a gas channel inside the side beam, a gas channel inside the side beam and a gas inside the bottom plate The channel runs through.
- the partition, the side beams, and the bottom plate are all hollow structures, and the hollow structure serves as the gas channel.
- the battery tray further includes a battery pack explosion-proof valve, and the exhaust hole is blocked by the battery pack explosion-proof valve.
- the battery tray further includes at least one of a smoke and gas sensor, and at least one of the smoke and gas sensor is disposed in the gas channel.
- the present disclosure also provides a power battery pack, including a plurality of battery cells, a cover plate, and the battery tray as described above, the cover plate and the battery tray are sealingly connected and jointly formed to accommodate the plurality of battery cells Confined space.
- each battery cell has a single explosion-proof valve
- the air inlet holes are arranged opposite to the single explosion-proof valve and one-to-one correspondence, so that the flame, smoke or gas discharged from each single explosion-proof valve passes through
- the corresponding air inlet hole enters the gas channel
- the power battery pack further includes a sealing pad, the sealing pad is disposed between the battery cell and the separator, and the sealing pad is provided with a through hole.
- the through holes correspond to the air intake holes in one-to-one correspondence, and the through holes are located between the corresponding air intake holes and the single explosion-proof valve.
- FIG. 1A is a schematic perspective view of a battery tray according to an embodiment of the present disclosure
- FIG. 1B is a top view of the battery tray of FIG. 1A;
- FIG. 1C is an exploded plan view of the battery module, the gasket, and the separator in the battery tray of FIG. 1A;
- FIG. 1D is an exploded perspective view of the battery module, the gasket, and the separator in the battery tray of FIG. 1A;
- FIG. 2A is a schematic perspective view of a battery tray according to another embodiment of the present disclosure.
- FIG. 2B is a schematic perspective view of the battery tray of FIG. 2A, showing a gasket at the same time;
- FIG. 2C is a schematic top view of the battery tray of FIG. 2A, showing a gasket at the same time;
- FIG. 2D is an assembled perspective view of the battery tray and battery cell of FIG. 2A;
- FIG. 2E is a top view of the assembly of the battery tray and battery cell of FIG. 2A;
- FIG. 2F is a cross-sectional view taken along A-A in FIG. 2E;
- 3A is a schematic perspective view of a battery tray according to another embodiment of the present disclosure.
- FIG. 3B is an assembled perspective view of the battery tray and battery cell of FIG. 3A;
- 3C is a schematic top view of the battery tray and battery cells of FIG. 3A;
- 3D is a cross-sectional view taken along B-B in FIG. 3C;
- FIG. 4A is a schematic perspective view of a battery tray according to another embodiment of the present disclosure.
- FIG. 4B is a schematic top view of the battery tray of FIG. 4A;
- 4C is a cross-sectional view taken along C-C in FIG. 4B;
- FIG. 5 is a schematic perspective view of a battery tray according to another embodiment of the present disclosure.
- FIG. 6 is a schematic perspective view of a battery tray according to another embodiment of the present disclosure, in which the air intake hole is not shown.
- a battery tray 100 and a power battery pack having the battery tray 100 are provided.
- the power battery pack may further include a cover plate (not shown) and a plurality of battery cells 200.
- the cover plate is sealingly connected to the battery tray 100 and jointly forms an enclosed space for accommodating the plurality of battery cells 200 .
- Each battery cell 200 has a cell explosion-proof valve 201 (see FIG. 1D).
- the battery tray 100 includes a tray body. At least a portion of the tray body has a gas channel formed therein.
- the tray body is provided with a plurality of air inlet holes 31 and at least one exhaust hole communicating with the gas channel.
- the air inlet holes 31 are arranged opposite to the one-piece explosion-proof valves 201 and correspond to each other. Each air inlet hole 31 is used to introduce flame, smoke or gas inside the battery cell 200 into the gas channel when the corresponding one-piece explosion-proof valve 201 is opened. Inside. The exhaust hole communicates with the gas channel and the external space of the battery pack, and is used to discharge the flame, smoke or gas in the gas channel to the outside of the battery pack. When the air pressure inside the battery cell 200 increases, causing the cell explosion-proof valve 201 to open, the flame, smoke, or gas inside the battery cell 200 is discharged from the battery cell 200 by the cell explosion-proof valve 201, and then rushes to the intake air The hole 31 further enters the interior of the gas channel.
- the power battery The package also includes a sealing gasket 300, which is disposed between the battery cell 200 and the tray body and has flame retardant performance and certain compressibility.
- the sealing gasket 300 is provided with a plurality of through holes 301, the through holes 301 and the tray
- the intake holes 31 on the body correspond to each other one by one, and each through hole 301 is located between the corresponding intake hole 31 and the single explosion-proof valve 201.
- the pressing of the battery cell 200 and the tray body causes the gasket 300 to form a seal around the air inlet hole 31 to prevent flame, smoke, or gas from leaking into the battery housing space.
- the battery tray 100 further includes a battery pack explosion-proof valve 40 installed on the exhaust hole to block the exhaust hole through the battery pack explosion-proof valve 40.
- the flame, smoke or gas discharged from the single explosion-proof valve 201 enters through the air inlet hole 31 and accumulates in the gas channel.
- the battery pack explosion-proof valve 40 opens to accumulate in the gas channel The flame, smoke or gas is exhausted.
- the battery pack explosion-proof valve 40 and the single-piece explosion-proof valve 201 are well known to those skilled in the art, and their structures and working principles will not be repeated here.
- the battery tray 100 may have any appropriate structure, which is not limited in the present disclosure.
- the following specifically introduces several embodiments of the battery tray 100. It should be understood that these embodiments are only used to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.
- the tray body includes a bottom plate 10, a side beam 20, and a plurality of separators 30.
- the side beam 20 is disposed around the bottom plate 10 and defines the battery together with the bottom plate 10
- the separator 30 is provided on the bottom plate 10, and the separator 30 divides the bottom plate 10 into several areas for placing the battery cells 200, and gas passages are formed inside the separator 30 and the side beams 20 and penetrate each other.
- the air inlet hole 31 is provided on the partition plate 30, and the air outlet hole is provided on the side beam 20.
- the flame, smoke, or gas discharged from the single explosion-proof valve 201 enters the gas channel inside the partition 30 through the air inlet 31 on the partition 30, and then diffuses from the gas channel inside the partition 30 to The gas channel inside the side beam 20, when the gas pressure in the gas channel reaches a certain value, the battery pack explosion-proof valve 40 on the side beam 20 is opened, and the flame, smoke or gas accumulated in the gas channel is discharged to the battery through the battery pack explosion-proof valve 40 Outsourcing.
- a plurality of battery cells 200 constitute a battery module, and a gasket 300 is provided between the battery module and the separator 30, and each gasket 300 is provided There are a plurality of through holes 301, and the through holes 301 correspond to the air inlet holes 31 on the partition plate 30 one by one, and each through hole 301 is located between the corresponding air inlet hole 31 and the single explosion-proof valve 201.
- the tray body includes a bottom plate 10, a side beam 20, and a plurality of partitions 30.
- the side beam 20 is disposed around the bottom plate 10 and is defined together with the bottom plate 10
- a battery accommodating space a separator 30 is provided on the bottom plate 10, the separator 30 divides the bottom plate 10 into several areas for placing the battery cells 200, and gas channels are formed inside the separator 30 and the bottom plate 10 and penetrate each other,
- the air intake hole 31 is provided on the partition plate 30, and the air exhaust hole is provided on the bottom plate 10.
- the flame, smoke, or gas discharged from the single explosion-proof valve 201 enters the gas channel inside the partition 30 through the air intake hole 31 on the partition 30, and then diffuses from the gas channel inside the partition 30 to the bottom
- the explosion-proof valve 40 of the battery pack on the bottom plate 10 opens, and the flame, smoke, or gas accumulated in the gas passage is discharged to the outside of the battery pack through the explosion-proof valve 40 of the battery pack.
- the tray body includes a bottom plate 10, a side beam 20, and a plurality of partitions 30.
- the side beams 20 are disposed around the bottom plate 10 and jointly define a battery accommodating space with the bottom plate 10.
- the partition 30 is provided in On the bottom plate 10, the partition plate 30 divides the bottom plate 10 into several areas for placing the battery cells 200.
- Both the interior of the partition plate 30 and the side beam 20 are formed with gas channels and penetrate each other, and a part of the intake holes 31 are provided in the partition On the plate 30, another part of the intake hole 31 is provided on the side beam 20, and the exhaust hole is provided on the side beam 20.
- the flame, smoke, or gas discharged from the single explosion-proof valve 201 enters the gas passage inside the partition 30 through the air inlet 31 on the partition 30, or through the air inlet on the side beam 20 31 into the gas channel inside the side beam 20, of course, the flame, smoke or gas discharged from the single explosion-proof valve 201 can also enter the gas channel through the above two methods at the same time, when the gas pressure in the gas channel reaches a certain value
- the explosion protection valve 40 of the battery pack on the side beam 20 is opened, and the flame, smoke or gas accumulated in the gas passage is discharged to the outside of the battery pack through the explosion protection valve 40 of the battery pack.
- the tray body includes a bottom plate 10, a side beam 20, and a plurality of partition plates 30.
- the side beam 20 is disposed around the bottom plate 10 and defines a battery accommodating space together with the bottom plate 10, and the partition plate 30 is disposed at On the bottom plate 10, the partition plate 30 divides the bottom plate 10 into several areas for placing the battery cells 200.
- Both the interior of the partition plate 30 and the bottom plate 10 are formed with gas channels and penetrate each other, and a part of the intake holes 31 are provided in the partition plate On 30, another part of the intake hole 31 is provided on the bottom plate 10, and the exhaust hole is provided on the bottom plate 10.
- the flame, smoke, or gas discharged from the single explosion-proof valve 201 enters the gas passage inside the partition 30 through the air inlet 31 on the partition 30, or through the air inlet 31 on the bottom plate 10 Into the gas channel inside the bottom plate 10, of course, the flame, smoke or gas discharged from the single explosion-proof valve 201 can also enter the gas channel through the above two methods at the same time, when the gas pressure in the gas channel reaches a certain value, the bottom plate The battery pack explosion-proof valve 40 on 10 is opened, and the flame, smoke or gas accumulated in the gas passage is discharged to the outside of the battery pack through the battery pack explosion-proof valve 40.
- the tray body includes a bottom plate 10, a side beam 20, and a plurality of partition plates 30.
- the side beam 20 is disposed around the bottom plate 10 and defines a battery accommodating space together with the bottom plate 10, and the partition plate 30 is disposed at On the bottom plate 10, the partition plate 30 divides the bottom plate 10 into several areas for placing the battery cells 200.
- the partition plate 30, the side beams 20, and the bottom plate 10 are all formed with gas passages and penetrate each other, and a part of the air intake holes 31 is provided in the partition plate 30, a part of the air inlet holes 31 are provided in the side beam 20, a part of the air inlet holes 31 are provided in the bottom plate 10, and the air discharge holes are provided in the side beam 20.
- the flame, smoke or gas discharged from the single explosion-proof valve 201 may enter the gas passage inside the partition 30 through the air inlet 31 on the partition 30 or through the air inlet on the bottom plate 10 31 enters the gas channel inside the bottom plate 10, or enters the gas channel inside the side beam 20 through the air inlet hole 31 on the side beam 20.
- the flame, smoke or gas discharged from the single explosion-proof valve 201 can also pass through the above three At least two of the cases enter the gas channel.
- the battery pack explosion-proof valve 40 on the side beam 20 opens, and the flame, smoke, or gas accumulated in the gas channel passes through the battery pack explosion-proof valve 40 Discharge out of the battery pack.
- the tray body includes a bottom plate 10, a side beam 20, and a plurality of partitions 30.
- the side beams 20 are arranged around the bottom plate 10 and jointly define a battery accommodating space with the bottom plate 10, and the partition plate 30 is provided at On the bottom plate 10, the partition plate 30 divides the bottom plate 10 into several areas for placing the battery cells 200.
- the partition plate 30, the side beams 20, and the bottom plate 10 are all formed with gas passages and penetrate each other, and a part of the air intake holes 31 is provided in the partition plate 30, a part of the intake holes 31 is provided in the side beam 20, and a part of the intake holes 31 is provided in the bottom plate 10, and the exhaust holes are provided in the bottom plate 10.
- the flame, smoke, or gas discharged from the single explosion-proof valve 201 enters the gas passage inside the partition 30 through the air inlet 31 on the partition 30, or through the air inlet 31 on the bottom plate 10 Enter the gas channel inside the bottom plate 10, or enter the gas channel inside the side beam 20 through the air inlet 31 on the side beam 20.
- the flame, smoke or gas discharged from the single explosion-proof valve 201 can also pass through the above three At least two of the cases enter the gas channel.
- the battery pack explosion-proof valve 40 on the bottom plate 10 opens, and the flame, smoke, or gas accumulated in the gas channel is discharged through the battery pack explosion-proof valve 40 Outside the battery pack.
- the tray body includes a bottom plate 10, a side beam 20, and a plurality of partition plates 30.
- the side beams 20 are disposed around the bottom plate 10 and jointly define a battery accommodating space with the bottom plate 10.
- the partition plate 30 is provided at On the bottom plate 10, the partition plate 30 divides the bottom plate 10 into several areas for placing the battery cells 200.
- the partition plate 30, the side beams 20, and the bottom plate 10 are all formed with gas passages and penetrate each other, and a part of the air intake holes 31 is provided on the partition plate 30, a part of the air inlet holes 31 are provided on the side beam 20, a part of the air inlet holes 31 are provided on the bottom plate 10, a part of the air discharge holes are provided on the side beam 20, and the other part of the air discharge holes are provided on the bottom plate 10 on.
- the flame, smoke, or gas discharged from the single explosion-proof valve 201 enters the gas passage inside the partition 30 through the air inlet 31 on the partition 30, or through the air inlet 31 on the bottom plate 10 Enter the gas channel inside the bottom plate 10, or enter the gas channel inside the side beam 20 through the air inlet 31 on the side beam 20.
- the flame, smoke or gas discharged from the single explosion-proof valve 201 can also pass through the above three At least two of the cases enter the gas channel.
- the battery pack explosion-proof valve 40 on at least one of the bottom plate 10 and the side beam 20 opens, and the flame, smoke or The gas is discharged to the outside of the battery pack through the battery pack explosion-proof valve 40.
- the tray body includes a bottom plate 10, a side beam 20, and a plurality of partition plates 30.
- the side beam 20 is disposed around the bottom plate 10 and defines a battery accommodating space together with the bottom plate 10, and the partition plate 30 is disposed at On the bottom plate 10, the partition plate 30 divides the bottom plate 10 into a plurality of areas for placing the battery cells 200.
- the interior of the partition plate 30, the side beams 20, and the bottom plate 10 are all formed with gas channels and penetrate each other, and the air inlet hole 31
- the partition 30 is provided, a part of the exhaust holes are provided on the side beam 20, and the other part of the exhaust holes are provided on the bottom plate 10.
- the flame, smoke or gas discharged from the single explosion-proof valve 201 enters the gas channel inside the partition 30 through the air inlet hole 31 on the partition 30, and when the gas pressure in the gas channel reaches a certain value,
- the battery pack explosion-proof valve 40 on at least one of the bottom plate 10 and the side beam 20 is opened, and the flame, smoke, or gas accumulated in the gas passage is discharged to the outside of the battery pack through the battery pack explosion-proof valve 40.
- the tray body includes a bottom plate 10, a side beam 20, and a plurality of partition plates 30.
- the side beam 20 is disposed around the bottom plate 10 and defines a battery accommodating space together with the bottom plate 10, and the partition plate 30 is disposed at On the bottom plate 10, the partition plate 30 divides the bottom plate 10 into several areas for placing the battery cells 200.
- the partition plate 30, the side beams 20, and the bottom plate 10 are all formed with gas passages and penetrate each other, and a part of the air intake holes 31 is provided on the partition plate 30, another part of the intake hole 31 is provided on the side beam 20, a part of the exhaust hole is provided on the side beam 20, and the other part of the exhaust hole is provided on the bottom plate 10.
- the flame, smoke, or gas discharged from the single explosion-proof valve 201 enters the gas passage inside the partition 30 through the air inlet 31 on the partition 30, or through the air inlet on the side beam 20 31 into the gas channel inside the side beam 20, of course, the flame, smoke or gas discharged from the single explosion-proof valve 201 can also enter the gas channel through the above two methods at the same time, when the gas pressure in the gas channel reaches a certain value, the bottom plate
- the battery pack explosion-proof valve 40 on at least one of 10 and the side beam 20 is opened, and flame, smoke, or gas accumulated in the gas passage is discharged to the outside of the battery pack through the battery pack explosion-proof valve 40.
- the tray body includes a bottom plate 10, a side beam 20, and a plurality of partition plates 30.
- the side beam 20 is disposed around the bottom plate 10 and defines a battery accommodating space together with the bottom plate 10, and the partition plate 30 is disposed at On the bottom plate 10, the partition plate 30 divides the bottom plate 10 into several areas for placing the battery cells 200.
- the partition plate 30, the side beams 20, and the bottom plate 10 are all formed with gas passages and penetrate each other, and a part of the air intake holes 31 is provided on the partition plate 30, another part of the intake hole 31 is provided on the bottom plate 10, a part of the exhaust hole is provided on the side beam 20, and another part of the exhaust hole is provided on the bottom plate 10.
- the flame, smoke, or gas discharged from the single explosion-proof valve 201 enters the gas passage inside the partition 30 through the air inlet 31 on the partition 30, or through the air inlet 31 on the bottom plate 10 Enter the gas channel inside the bottom plate 10.
- the flame, smoke or gas discharged from the single explosion-proof valve 201 can also enter the gas channel at the same time through the above two methods.
- the gas pressure in the gas channel reaches a certain value
- the bottom plate 10 and The battery pack explosion-proof valve 40 on at least one of the side beams 20 is opened, and the flame, smoke, or gas accumulated in the gas passage is discharged to the outside of the battery pack through the battery pack explosion-proof valve 40.
- the tray body includes a bottom plate 10, a side beam 20, and a plurality of partitions 30.
- the side beams 20 are disposed around the bottom plate 10 and jointly define a battery accommodating space with the bottom plate 10, and the partition 30 is provided
- the separator 30 divides the bottom plate 10 into several areas for placing the battery cells 200, and gas passages are formed inside the separator 30, inside the side beam 20, and inside the bottom plate 10, and the separator 30
- the internal gas channel penetrates the gas channel inside the side beam 20, the gas channel inside the side beam 20 penetrates the gas channel inside the bottom plate 10, and the gas channel inside the separator 30 passes through the side beam
- the gas channel inside 20 communicates with the gas channel inside the bottom plate 10, the air inlet hole 31 is provided on the partition plate 30, and the air outlet hole is provided on the bottom board 10.
- the flame, smoke, or gas discharged from the single explosion-proof valve 201 enters the gas channel inside the partition 30 through the air inlet hole 31 on the partition 30, and diffuses from the gas channel inside the partition 30 to The gas channel inside the side beam 20 diffuses from the gas channel inside the side beam 20 to the gas channel inside the bottom plate 10.
- the battery pack explosion-proof valve 40 on the bottom plate 10 opens, and the gas channel The flame, smoke or gas accumulated inside is discharged to the outside of the battery pack through the battery pack explosion-proof valve 40.
- the tray body includes a bottom plate 10, a side beam 20, and a plurality of partitions 30.
- the side beams 20 are disposed around the bottom plate 10 and jointly define a battery accommodating space with the bottom plate 10, and the partition 30 is provided
- the separator 30 divides the bottom plate 10 into several areas for placing the battery cells 200, and gas passages are formed inside the separator 30, inside the side beam 20, and inside the bottom plate 10, and the separator 30
- the internal gas channel penetrates the gas channel inside the bottom plate 10, the gas channel inside the bottom plate 10 penetrates the gas channel inside the side beam 20, and the gas channel inside the separator 30 passes through the inside of the bottom plate 10 Is connected to the gas channel inside the side beam 20, the air inlet hole 31 is provided on the partition plate 30, and the air outlet hole is provided on the side beam 20.
- the flame, smoke, or gas discharged from the single explosion-proof valve 201 enters the gas channel inside the partition 30 through the air inlet hole 31 on the partition 30, and diffuses from the gas channel inside the partition 30 to The gas channel inside the bottom plate 10 diffuses from the gas channel inside the bottom plate 10 to the gas channel inside the side beam 20.
- the battery pack explosion-proof valve 40 on the side beam 20 opens and the gas channel The flame, smoke or gas accumulated inside is discharged to the outside of the battery pack through the battery pack explosion-proof valve 40.
- the tray body includes a bottom plate 10 and side beams 20.
- the side beams 20 are disposed around the bottom plate 10 and jointly define the battery receiving space with the bottom plate 10.
- the side beams A gas channel is formed inside the 20, and the intake hole 31 and the exhaust hole are both provided on the side beam 20.
- the gas channel is formed in the side beam 20, and the flame, smoke or gas discharged from the single explosion-proof valve 201 enters the gas channel inside the side beam 20 through the air inlet 31 on the side beam 20.
- the battery pack explosion-proof valve 40 on the side beam 20 is opened, and the flame, smoke, or gas accumulated in the gas channel is discharged to the outside of the battery pack through the battery pack explosion-proof valve 40.
- a plurality of battery cells 200 constitute a battery module
- a gasket 300 is disposed between the battery module and the side beam 20
- each gasket 300 is provided with a number of
- the through holes 301 correspond to the air inlet holes 31 on the side beam 20 one by one.
- Each through hole 301 is located between the corresponding air inlet hole 31 and the single explosion-proof valve 201.
- the battery cell 200 thermally loses control, it generally generates tens or even hundreds of liters of smoke or gas in a short period of time.
- the exhaust path is shorter, so that smoke or gas is discharged faster, and the safety of the battery pack is improved.
- the tray body includes a bottom plate 10 and side beams 20.
- the side beams 20 are disposed around the bottom plate 10 and jointly define a battery accommodating space with the bottom plate 10.
- the bottom plate 10 A gas passage is formed inside, and both the inlet hole 31 and the exhaust hole are provided on the bottom plate 10.
- the gas channel is formed in the bottom plate 10, and the flame, smoke, or gas discharged from the single explosion-proof valve 201 enters the gas channel inside the bottom plate 10 through the air inlet hole 31 on the bottom plate 10.
- the battery pack explosion-proof valve 40 on the bottom plate 10 opens, and the flame, smoke, or gas accumulated in the gas channel is discharged to the outside of the battery pack through the battery pack explosion-proof valve 40.
- a plurality of battery cells 200 constitute a battery module, and a gasket 300 is provided between the battery module and the side beam 20, and each gasket 300 A plurality of through holes 301 are provided, and the through holes 301 correspond one-to-one with the air inlet holes 31 on the bottom plate 10, and each through hole 301 is located between the corresponding air inlet hole 31 and the single explosion-proof valve 201.
- the battery cell 200 thermally loses control, it generally generates tens or even hundreds of liters of smoke or gas in a short period of time.
- the exhaust path is shorter, so that smoke or gas is exhausted faster, and the safety of the battery pack is improved.
- the tray body includes a bottom plate 10 and side beams 20.
- the side beams 20 are disposed around the bottom plate 10 and jointly define the battery accommodating space with the bottom plate 10. Gas channels are formed inside the bottom plate 10 and penetrate each other.
- the intake holes 31 are provided on the bottom plate 10 and the exhaust holes are provided on the side beam 20.
- the flame, smoke or gas discharged from the single explosion-proof valve 201 enters the gas channel inside the bottom panel 10 through the air inlet hole 31 on the bottom panel 10, and then diffuses from the gas channel inside the bottom panel 10 to the inside of the side beam 20
- the battery pack explosion-proof valve 40 on the side beam 20 opens, and the flame, smoke, or gas accumulated in the gas channel is discharged to the outside of the battery pack through the battery pack explosion-proof valve 40.
- the tray body includes a bottom plate 10 and side beams 20.
- the side beams 20 are disposed around the bottom plate 10 and jointly define the battery accommodating space with the bottom plate 10. Both the side beam 20 and the bottom plate 10 are formed with The gas passages penetrate each other, the air inlet hole 31 is provided on the side beam 20, and the air outlet hole is provided on the bottom plate 10.
- the flame, smoke or gas discharged from the single explosion-proof valve 201 enters the gas channel inside the side beam 20 through the air inlet hole 31 on the side beam 20, and then diffuses from the gas channel inside the side beam 20 to the bottom plate 10 Inside the gas channel, when the air pressure in the gas channel reaches a certain value, the battery pack explosion-proof valve 40 on the bottom edge 10 is opened, and the flame, smoke or gas accumulated in the gas channel is discharged to the outside of the battery pack through the battery pack explosion-proof valve 40 .
- the battery tray 100 may be rectangular, including a rectangular bottom plate 10 and side beams 20 disposed around the bottom plate 10.
- the side beam 20 may be made into an integral structure with the bottom plate 10, or may be a split structure, for example, the side beam 20 is installed around the bottom plate by welding or other processes.
- the side beam 20 may be an integrated structure, and may be formed by welding four side beams 20 end to end or connected by other processes.
- the partition 30 may be made into an integral structure with the bottom plate 10, or may be a split structure, for example, the partition 30 is connected to the bottom plate 10 by welding or other processes.
- the battery tray 100 is provided with a separator 30 inside.
- the separator 30 serves to reinforce the battery tray 100, and at least a part of the air inlet holes 31 is provided on the separator 30.
- the separator 30 may be arranged in the battery tray according to any suitable arrangement, which is not limited in this disclosure.
- the partition plates 30 may be parallel to each other and spaced apart from each other.
- the partition plate 30 is perpendicular to the bottom plate 10, and both ends of the partition plate 30 are connected to the side beam 20.
- the partition 30 may also include one or more longitudinal partitions 31 extending along the length of the tray body and one or more horizontal partitions 32 extending along the width of the tray body.
- the longitudinal partitions 31 and the transverse partitions 32 are arranged to cross, the two ends of the longitudinal partitions 31 are connected to the side beam 20, and the two ends of the transverse partitions 32 are connected to the side beam 20.
- the gas channel formed inside the tray body is used to receive and store the flame, smoke or gas discharged from the battery cell 200, and all the smoke and gas discharged from the battery cell 200 may enter through the corresponding air inlet hole 31
- the gas channel, the battery pack explosion-proof valve 40 is used to control the exhaust of the gas channel.
- the disclosure does not limit the number of gas channels, and one battery cell 200 may correspond to one gas channel, or a plurality of battery cells 200 may share one gas channel.
- only one gas channel may be formed inside the side beam 20, and the gas channel penetrates through the gas channel inside each partition 30; or a plurality of mutual gas channels may be formed inside the side beam 20.
- Independent gas channels, the gas channels inside each partition 30 only pass through the corresponding gas channels inside the side beam 20.
- only one gas channel may be formed inside the bottom plate 10, and the gas channel penetrates through the gas channel inside each partition 30; or a plurality of independent ones may be formed inside the bottom plate 10
- the gas channel inside each partition 30 only penetrates the corresponding gas channel inside the bottom plate 10.
- only one gas channel may be formed inside the side beam 20, and all the battery cells 200 share the gas channel, that is, all the inlet holes 31 and the exhaust holes are
- the gas channels are connected; there may also be multiple independent gas channels formed inside the side beam 20, each gas channel corresponding to a plurality of battery cells 200, that is, each gas channel has a plurality of inlet holes 31 and at least one row
- each gas channel is formed inside the bottom plate 10, and all the battery cells 200 share the gas channel, that is, all the inlet holes 31 and the exhaust holes are connected to the gas
- the channels are connected; there may also be multiple independent gas channels formed in the bottom plate 10, each gas channel corresponding to a plurality of battery cells 200, that is, each gas channel has a plurality of intake holes 31 and at least one exhaust hole
- a plurality of mutually independent gas channels are formed inside the bottom plate 10, and each gas channel corresponds to a battery cell 200, that is, each gas channel has an intake hole 31 and an exhaust hole.
- each gas channel corresponds to a plurality of battery cells 200, that is, the plurality of battery cells 200 can share a gas channel, which can reduce exhaust holes and battery pack explosion-proof valves
- the number of 40 makes the number of exhaust holes and the number of battery pack explosion-proof valves 40 smaller than the number of intake holes 31, thereby reducing the difficulty of processing the tray body and reducing the number of battery pack explosion-proof valves 40 required, Reduced manufacturing costs.
- the number of battery pack explosion-proof valves 40 may be one, two, three, or more, which is not limited in this disclosure.
- the number of the gaskets 300 may be equal to the number of the separators 30, and correspond to the separators 30 one by one, each of the gaskets 300 Set between the corresponding separator 30 and the battery cell 200, the gasket 300 can be integrally formed, or can be arranged separately. In some embodiments, the gasket is arranged separately, which is convenient for matching batteries with different numbers
- the material of the gasket is not particularly limited in this application. Specifically, it may be one or a combination of polyurethane foam material, silicone foam, and flame retardant polypropylene foam material.
- the upper edge of the side beam 20 may be provided with a plurality of first mounting holes 21, and bolts pass through the first mounting holes 21 and are connected to the cover plate, thereby realizing the side beam 20 and the cover plate Connection.
- the upper edge of the partition 30 may be flush with the upper edge of the side beam 20, and the upper edge of the partition 30 may be provided with a second mounting hole 32 The bolt passes through the second mounting hole 32 and is connected to the cover plate, so as to realize the connection between the partition plate 30 and the cover plate.
- one or more mounting blocks 50 may be provided on the outer side of the side beam 20, one or more third mounting holes 51 are provided on the mounting block 50, and the bolts pass through the third mounting holes 51 And connected to the bottom of the vehicle, thereby fixing the battery tray 100 to the bottom of the vehicle.
- At least one of the smoke and gas sensors is provided in the battery tray.
- the explosion-proof valve opens The gas or smoke is released. Due to the large size of the tray, the gas or smoke released will diffuse around the battery tray and be diluted.
- At least one of the smoke and the gas sensor may not be able to detect the exhaust gas or smoke in time, sensitivity
- smoke or gas sensors can be provided in the gas channel of the battery tray 100, the space of the gas channel is significantly smaller than the volume of the battery tray, and the gas channel will reduce the corresponding smoke Or the gas is eliminated in a predetermined direction, therefore, once a single explosion-proof valve 201 is opened, at least one of the smoke and gas sensors will sense the corresponding smoke or gas, and the smoke or gas sensor will feedback the signal to the vehicle control The system reminds the driver to react, or to start the gas fire extinguishing and flame retardant actions of the battery pack to improve the safety of the battery pack.
- the disclosure discloses that at least one of the smoke and gas sensors is located inside the gas passage and the smoke and The number of at least one of the gas sensors is not particularly limited. In some embodiments, at least one of the smoke and the gas sensor is located near the exhaust hole, so that the corresponding gas or smoke can be detected more sensitively.
- a vehicle including the power battery pack as described above.
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Abstract
Description
Claims (14)
- 一种电池托盘,其特征在于,包括托盘本体,所述托盘本体包括底板(10)、边梁(20)、以及若干个隔板(30),所述边梁(20)设置在所述底板(10)的四周并与所述底板(10)共同限定出电池单体(200)的容纳空间,所述隔板(30)设置在所述底板(10)上并且将所述底板(10)分隔成若干个用于放置电池单体(200)的区域,所述隔板(30)内部和所述边梁(20)内部均形成有气体通道且相互贯通,所述隔板(30)上设置有若干进气孔(31),所述边梁(20)上设置有至少一个排气孔,所述进气孔(31)用于将电池单体(200)排出的火焰、烟雾或气体导入所述气体通道,所述排气孔用于将所述气体通道内的火焰、烟雾或气体排出。
- 根据权利要求1所述电池托盘,其特征在于,所述隔板(30)和所述边梁(20)均为中空结构,所述中空结构作为所述气体通道。
- 根据权利要求1或2所述电池托盘,其特征在于,所述底板(10)内部形成有气体通道,所述隔板(30)内部的气体通道与所述底板(10)内部的气体通道贯通,所述底板(10)内部的气体通道与所述边梁(20)内部的气体通道贯通。
- 根据权利要求3所述电池托盘,其特征在于,所述隔板(30)、所述边梁(20)和所述底板(10)均为中空结构,所述中空结构作为所述气体通道。
- 根据权利要求1-4中任一项所述的电池托盘,其特征在于,所述电池托盘(100)还包括电池包防爆阀(40),所述排气孔通过所述电池包防爆阀(40)封堵。
- 根据权利要求1-4中任一项所述的电池托盘,其特征在于,所述电池托盘(100)还包括烟雾和气体感应器中的至少一个,所述烟雾和气体感应器中的至少一个设置在所述气体通道内。
- 一种电池托盘,其特征在于,包括托盘本体,所述托盘本体包括底板(10)、边梁(20)、以及若干个隔板(30),所述边梁(20)设置在所述底板(10)的四周并与所述底板(10)共同限定出电池单体(200)的容纳空间,所述隔板(30)设置在所述底板(10)上并且将所述底板(10)分隔成若干个用于放置电池单体(200)的区域,所述隔板(30)内部和所述底板(10)内部均形成有气体通道且相互贯通,所述隔板(30)上设置有若干进气孔(31),所述底板(10)上设置有至少一个排气孔,所述进气孔(31)用于将电池单体(200)排出的火焰、烟雾或气体导入所述气体通道,所述排气孔用于将所述气体通道内的火焰、烟雾或气体排出。
- 根据权利要求7所述电池托盘,其特征在于,所述隔板(30)和所述底板(10)均为中空结构,所述中空结构作为所述气体通道。
- 根据权利要求7或8所述电池托盘,其特征在于,所述边梁(20)内部形成有气体通道,所述隔板(30)内部的气体通道与所述边梁(20)内部的气体通道贯通,所述边梁(10)内部的气体通道与所述底板(10)内部的气体通道贯通。
- 根据权利要求9所述电池托盘,其特征在于,所述隔板(30)、所述边梁(20)和所述底板(10)均为中空结构,所述中空结构作为所述气体通道。
- 根据权利要求7-10中任一项所述的电池托盘,其特征在于,所述电池托盘(100)还包括电池包防爆阀(40),所述排气孔通过所述电池包防爆阀(40)封堵。
- 根据权利要求7-10中任一项所述的电池托盘,其特征在于,所述电池托盘(100)还包括烟雾和气体感应器中的至少一个,所述烟雾和气体感应器中的至少一个设置在所述气体通道内。
- 一种动力电池包,其特征在于,包括若干电池单体(200)、盖板、以及权利要求1-12中任一项所述的电池托盘(100),所述盖板与所述电池托盘(100)密封连接并共同形成用于容纳所述若干电池单体(200)的密闭空间。
- 根据权利要求13所述的动力电池包,其特征在于,每个电池单体(200)具有单体防爆阀(201),所述进气孔(31)与单体防爆阀(201)相对设置且一一对应,使得从每个单体防爆阀(201)排出的火焰、烟雾或气体经由对应的进气孔(31)进入所述气体通道,所述动力电池包还包括密封垫(300),所述密封垫(300)设置在所述电池单体(200)和所述隔板(30)之间,所述密封垫(300)上设置有通孔(301),所述通孔(301)与所述进气孔(31)一一对应,所述通孔(301)位于对应的进气孔(31)和单体防爆阀(201)之间。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020217023718A KR102659543B1 (ko) | 2018-12-29 | 2019-07-24 | 배터리 트레이 및 전력 배터리 팩 |
JP2021538297A JP7116263B2 (ja) | 2018-12-29 | 2019-07-24 | 電池トレイ及び動力電池パック |
EP19902127.0A EP3905368A4 (en) | 2018-12-29 | 2019-07-24 | BATTERY COMPARTMENT AND POWER BATTERY PACK |
US17/419,433 US20220059901A1 (en) | 2018-12-29 | 2019-07-24 | Battery tray and power battery pack |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201811642602.1 | 2018-12-29 | ||
CN201811642602.1A CN110190211B (zh) | 2018-12-29 | 2018-12-29 | 电池托盘、动力电池包及车辆 |
Publications (1)
Publication Number | Publication Date |
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WO2020134051A1 true WO2020134051A1 (zh) | 2020-07-02 |
Family
ID=67713932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2019/097479 WO2020134051A1 (zh) | 2018-12-29 | 2019-07-24 | 电池托盘及动力电池包 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20220059901A1 (zh) |
EP (1) | EP3905368A4 (zh) |
JP (1) | JP7116263B2 (zh) |
KR (1) | KR102659543B1 (zh) |
CN (1) | CN110190211B (zh) |
WO (1) | WO2020134051A1 (zh) |
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WO2022231188A1 (ko) * | 2021-04-30 | 2022-11-03 | 주식회사 엘지에너지솔루션 | 화염 방지기 및 이를 포함하는 전지 팩 |
EP4123807A1 (en) * | 2021-07-23 | 2023-01-25 | SK On Co., Ltd. | Battery pack case and battery pack including the same |
JP2023020843A (ja) * | 2021-07-28 | 2023-02-09 | リヴィアン アイピー ホールディングス,エルエルシー | 電池モジュールの熱隔離 |
WO2023027372A1 (ko) * | 2021-08-25 | 2023-03-02 | 주식회사 엘지에너지솔루션 | 전지 모듈 및 이를 포함하는 전지 팩 |
JP2023038041A (ja) * | 2021-09-06 | 2023-03-16 | 本田技研工業株式会社 | バッテリユニット及び電動車両 |
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US11699821B2 (en) | 2016-07-29 | 2023-07-11 | Apple Inc. | Battery packs having structural members for improving thermal management |
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Also Published As
Publication number | Publication date |
---|---|
EP3905368A1 (en) | 2021-11-03 |
JP7116263B2 (ja) | 2022-08-09 |
CN110190211A (zh) | 2019-08-30 |
US20220059901A1 (en) | 2022-02-24 |
EP3905368A4 (en) | 2022-03-02 |
CN110190211B (zh) | 2020-03-31 |
JP2022515674A (ja) | 2022-02-21 |
KR20210108452A (ko) | 2021-09-02 |
KR102659543B1 (ko) | 2024-04-23 |
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