EP4244929A1 - Batteriegehäuse, traktionsbatterie und kraftfahrzeug - Google Patents
Batteriegehäuse, traktionsbatterie und kraftfahrzeugInfo
- Publication number
- EP4244929A1 EP4244929A1 EP21807098.5A EP21807098A EP4244929A1 EP 4244929 A1 EP4244929 A1 EP 4244929A1 EP 21807098 A EP21807098 A EP 21807098A EP 4244929 A1 EP4244929 A1 EP 4244929A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- battery
- battery housing
- fastening
- fastening device
- housing shell
- 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
- 239000004033 plastic Substances 0.000 claims abstract description 15
- 229920003023 plastic Polymers 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 7
- 230000002787 reinforcement Effects 0.000 claims description 33
- 238000001816 cooling Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 238000007665 sagging Methods 0.000 description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000011151 fibre-reinforced plastic Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 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
- 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
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- 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
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
-
- 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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
-
- 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 invention relates to a battery housing of a traction battery, a traction battery and a motor vehicle.
- a battery in particular a traction battery for storing energy in a motor vehicle, consists of a large number of components.
- One of the tasks of a battery housing of the traction battery is to fasten and protect battery components in the form of battery modules and/or cooling modules and the like.
- a secure fixation of battery components on the battery housing under all operating conditions and over the life of the battery is of great importance in order to absorb and dissipate inertial forces that occur.
- the object of the invention is to provide an improvement or an alternative to the prior art.
- the object on which the present invention is based is achieved by a battery housing having the features of claim 1 .
- Advantageous configurations of the battery tray are described in the claims dependent on claim 1 .
- the object on which the present invention is based is achieved by a battery housing for accommodating at least one battery component in a battery housing volume, the battery housing being provided for a traction battery of a motor vehicle.
- the battery housing has at least one battery housing shell made of plastic, which at least partially delimits the battery housing volume, and at least one fastening device for fastening the battery component to the battery housing shell.
- the battery housing is characterized in that the battery housing shell has at least one reinforcement structure which is connected to a floor and/or a wall of the battery housing shell, the fastening device being supported on the reinforcement structure.
- the reinforcement structure preferably extends into the battery housing volume and/or delimits the battery housing volume.
- the battery housing according to the invention has a number of advantages.
- An advantage of the battery housing according to the invention is that a force application or a load application of the battery component to the battery housing shell takes place in an area in which the battery housing shell has increased stability or exhibits stiffness.
- a corresponding introduction of force or Load introduction takes place with any type of acceleration of a motor vehicle in which the battery housing is installed, for example during acceleration, braking, cornering or, in particular, in the event of an accident of the motor vehicle.
- a further advantage of the battery housing designed according to the invention is that it has improved installation space efficiency, since a minimal overall height of the battery housing remains below the battery component to be fastened.
- a further advantage of the battery housing according to the invention is that it has increased safety in the event of an external fire. Because the fastening device is through a floor structure or protected from direct fire exposure by the battery bottom.
- a further advantage of the battery housing according to the invention is that sagging of the bottom surface of the battery housing is reduced due to a reduced introduction of load and force into the battery floor of the battery housing.
- a corresponding sagging of the floor area or the bottom wall of the battery case has no or at least a reduced influence on the positioning of the battery components within the battery case. This ensures increased positioning accuracy and positioning stability of the battery components to be attached.
- Yet another advantage of the battery housing according to the invention is that the battery components are decoupled from the battery housing base, so that any loads on the battery housing base, for example from stone chips or other external influences, do not act directly, but only indirectly via the reinforcement structure on the battery component. This leads to improved protection of the battery components and thus to an improved longevity of a traction battery that has the battery housing according to the invention.
- Yet another advantage of the battery housing according to the invention is that a traction battery having the battery housing according to the invention has a significantly reduced assembly effort, since the attachment of the battery component or the battery components by means of the fastening device or. takes place by means of the fastening devices, so individual fastening elements (for example threaded sleeves embedded in the battery housing) are no longer necessary, so that a cycle time for producing the traction battery is reduced for producing a traction battery which has the battery housing according to the invention.
- the battery housing according to the invention has the advantage that the number of insert parts that have to be inserted in a device for producing a battery housing is reduced in the case of an injection-molded battery housing or in a battery housing produced by means of extrusion, which on the one hand reduces the cycle time on the other Production of the battery case is reduced and the handling of the battery case is simplified.
- the battery housing according to the invention has the advantage that the tolerances that must be observed for fastening and holding battery components are largely concentrated in a reduced number of components (namely the fastening device or fastening devices), because the respective battery components are each secured by means of the fastening device respectively . connected by means of the fastening devices with the battery housing shell.
- the tolerances to be observed when assembling a traction battery can be reduced to just a few components in the form of the fastening device or of the fastening devices is concentrated, resulting in shortened tolerance chains that are therefore easier to maintain. Furthermore, any changes in shape of the battery housing, which are induced, for example, by temperature fluctuations and/or by fluctuations in the moisture content of the environment, have a reduced influence on the positioning of the battery components.
- the fastening device is a component that is separate from the battery housing shell. Consequently, the battery component is indirectly connected to the battery housing shell by means of the fastening device.
- the battery housing shell preferably has polyamide as the plastic and more preferably consists of polyamide. More preferably, the plastic is fiber-reinforced, for example by means of glass fibers and/or by means of carbon fibers.
- the battery case volume can also be referred to as the battery case receiving space.
- the fastening device preferably comprises metal or is formed from metal. Suitable metals are iron, steel, aluminum, copper, brass or alloys of the aforementioned metals. With a corresponding design of the battery housing, the fastening device can be used as a grounding path and/or generally as potential equalization in the battery housing due to the electrical conductivity.
- the fastening device is formed from a plastic, more preferably from a fiber-reinforced plastic.
- a fastener or Fastening elements can be enclosed by the plastic material.
- a threaded sleeve or a large number of threaded sleeves can be embedded in the plastic material.
- the battery component to be attached is, for example, a
- the reinforcement structure is preferably integral, and even more preferably monolithic, with the battery housing shell.
- a monolithic configuration of the reinforcement structure is understood to mean a reinforcement structure that is formed in one manufacturing step together with the battery housing shell.
- the wall of the battery housing shell can also be referred to as an end wall or as a side wall.
- the reinforcement structure preferably extends into the battery housing volume. More preferably, the reinforcement structure is designed as a projection in the bottom and/or in the wall of the battery housing shell.
- the battery housing preferably has a cover closing the battery housing shell or a further second battery housing shell which closes the first battery housing shell.
- the battery housing is preferably designed in such a way that the fastening device has at least one fastening element, preferably a plurality of fastening elements, for fastening the at least one battery component to the fastening device.
- the correspondingly designed battery housing has the advantage that a battery component or a plurality of battery components can be fastened in the battery housing in a simplified manner, or are attachable.
- the fastener is the fastening elements are preferably each designed as a threaded bushing or as a threaded pin or as a locking projection or locking hook.
- the respective fastening elements are preferably formed in one piece with the fastening device.
- the respective fastening elements are preferably surrounded by the plastic material of the fastening device, in particular if the respective fastening elements are formed from a metal.
- the battery housing is preferably designed in such a way that the fastening device is positively connected to the battery housing shell.
- the correspondingly designed battery housing has a further reduced assembly effort.
- the fastening device is preferably screwed to the battery housing shell.
- the fastening device can be connected to the battery housing shell and preferably to the reinforcement structure of the battery housing shell, for example by means of one or by means of a large number of screws.
- the fastening device is connected to the battery housing shell by means of a snap-in connection.
- the fastening device can have a locking projection or a plurality of locking projections, each in a the number of latching projections corresponding number of latching openings of the battery tray or the reinforcing structure engages or intervene .
- the battery tray or the reinforcing structure can have a latching projection or a plurality of latching projections, each of which engages or engages in a number of latching openings of the fastening device that corresponds to the number of latching projections. intervene
- the battery housing is preferably designed in such a way that the fastening device is designed as a fastening rail.
- the correspondingly designed battery housing has the advantage that the fastening device can have a large number of fastening elements in a simplified manner, so that a battery component and in particular a large number of battery components can be connected to the battery housing shell in a simplified manner by means of the fastening device.
- a correspondingly designed battery housing therefore allows a further reduction in the effort involved in assembling a traction battery that has the correspondingly designed battery housing.
- the battery housing is designed in such a way that the fastening rail has at least one fastening strip, in which at least one fastening element is arranged.
- the outlay on assembly for a traction battery which has the appropriately designed battery housing is further reduced.
- the battery housing is designed in such a way that the fastening device has a receiving recess, in particular a receiving groove, in which the reinforcement structure is received.
- the correspondingly designed battery housing has the advantage that the positioning of the fastening device with respect to the battery housing shell is made possible in a simplified manner with increased accuracy. Consequently, the positioning of a battery component or made possible by a plurality of battery components in the battery housing with increased accuracy.
- the battery housing is preferably designed in such a way that the at least one reinforcement structure is designed as a central web which extends along a longitudinal extent of the battery housing shell.
- the appropriately designed battery housing combines several advantages, since the battery housing shell and thus the battery housing have improved stability and the battery component or. the battery components is essentially centrally supported by the fastening device / are, so that sagging of the battery component or. of the battery components is counteracted.
- the central web has at least one connecting device, by means of which the fastening device is connected to the central web.
- the connecting device is preferably designed as a threaded hole or as a threaded sleeve, so that the fastening device can be screwed to the middle web underneath.
- the battery housing is preferably designed in such a way that the at least one reinforcement structure is designed as a double web which extends along a longitudinal extension of the battery housing shell.
- the correspondingly designed battery housing has even greater stability and rigidity.
- the double web has two webs, ie a first and a second web, which run parallel to one another along the longitudinal extension of the battery housing shell.
- the double web is preferably formed centrally in the battery housing shell.
- the battery housing is designed in such a way that at least one connecting device is formed between two bars of the double bar, by means of which the fastening device is connected to the double bar.
- the connecting device is preferably designed as a threaded hole or as a threaded sleeve, so that the fastening device can be screwed to the central web underneath.
- the battery housing is preferably designed such that the at least one reinforcement structure is designed as an edge web that extends along a longitudinal extension and/or along a transverse extension of the battery housing shell and is adjacent to a side wall of the battery housing shell.
- the correspondingly designed battery housing has even better stability and rigidity, particularly in the area of its side walls.
- the correspondingly designed battery housing also enables a battery module or a plurality of battery modules to be installed in the battery housing in an even more simplified manner.
- the battery housing is preferably designed in such a way that the at least one reinforcement structure acts as a projection or wall projection of the wall or the side wall is formed.
- the corresponding battery housing is particularly easy to manufacture and therefore has low manufacturing costs.
- the wall protrusion can also be called the kink of the wall.
- the battery housing preferably has at least one hold-down device, with the hold-down device being connected to the battery housing shell, and with the fastening device being arranged between the at least one hold-down device and the battery housing shell and being subjected to a force in the direction of the reinforcement structure by means of the hold-down device.
- the correspondingly designed battery housing has the advantage that the built-in battery component is reliably subjected to a force in the direction of the housing base.
- the battery housing designed accordingly offers the advantage that the hold-down device improves the contact between the battery module and the cooling module. This achieves improved cooling of the battery modules.
- the hold-down device is preferably designed as a cross member. With a corresponding design of the battery housing, its stability and rigidity are improved, in particular when subjected to a load in the transverse direction.
- the object on which the present invention is based is also achieved by a traction battery having the features of claim 12 .
- Advantageous configurations of the traction battery are described in the claims dependent on claim 12 .
- the object on which the present invention is based is achieved by a traction battery for a motor vehicle, the traction battery having a battery housing described above and at least one battery component which is connected to the battery housing shell by means of the fastening device.
- the traction battery preferably has at least two battery components in the form of at least one battery module and at least one cooling module, with the cooling module being arranged between the fastening device and the battery module.
- the correspondingly designed traction battery has the advantage that improved thermal coupling of the battery module to the cooling module is achieved.
- the battery housing is designed with a hold-down device, which, as described above, can preferably be designed as a cross member, a further improved thermal coupling of the battery module with the cooling module is achieved, since the hold-down device achieves improved contact between the battery module and the cooling module will .
- the object on which the present invention is based is also achieved by a motor vehicle having the features of claim 15 .
- FIG. 1A a perspective representation of an interior area of a battery housing shell of a battery housing according to the invention
- FIG. 1B the battery housing shell shown in FIG. 1A with built-in battery components in the form of cooling modules;
- FIG. 2A a cross-sectional illustration of a traction battery which has the battery housing shell illustrated in FIG. 1B, the section through the battery housing shell being taken along the plane AA from FIG. 1B and the battery housing shell being illustrated in the area of a central web;
- FIG. 2B the traction battery shown in FIG. 2A with further built-in battery components in the form of battery modules;
- FIG. 3A a cross-sectional view of a traction battery which has the battery housing shell shown in FIG. 1B, the section through the battery housing shell being taken along the plane AA from FIG. 1B and the battery housing shell being shown in the area of an edge web;
- FIG. 3B the traction battery shown in FIG. 3A with further built-in battery components in the form of battery modules;
- FIG. 4A shows a further cross-sectional view of the traction battery shown in FIG. 3A
- FIG. 4B a further cross-sectional view of the traction battery shown in FIG. 2B with one battery module omitted
- FIG. 4A shows a further cross-sectional view of the traction battery shown in FIG. 3A
- FIG. 4B a further cross-sectional view of the traction battery shown in FIG. 2B with one battery module omitted
- FIG. 5 shows a cross-sectional illustration of a traction battery which has a battery housing according to a further embodiment of the present invention, the traction battery being illustrated in an area of a side wall of a battery housing shell.
- FIG. 1A shows a perspective representation of an interior area of a battery housing shell 20 of a battery housing 10 according to the invention, so that a battery housing volume 11 or a recording volume 11 can be seen.
- FIG. 1B shows the battery housing shell 20 illustrated in FIG. 1A with built-in battery components 4 in the form of cooling modules 4 .
- the battery housing shell 20 at least partially delimits the battery housing volume 11 .
- the battery housing shell 20 has a base 26 which is bordered by two side walls 27 running parallel to a longitudinal extent L of the battery housing shell 20 and by two end walls 29 .
- the battery housing shell 20 is formed from a plastic and more preferably from a fiber-reinforced plastic.
- the plastic is ideal a duroplastic plastic or a thermoplastic plastic, in particular polyamide is a suitable plastic.
- the battery housing 10 has impact protection devices 70 attached to two outer sides of the side walls 27, which are designed to protect the battery housing 10 in the event of an accident.
- this has three fastening devices 30 , 40 for fastening at least one battery component 2 , 4 to the battery housing shell 20 .
- a fastening device 30 is designed as a centrally arranged fastening device 30 which runs along a central axis and parallel to the longitudinal extent L of the battery housing 20 .
- the precise structure of the fastening device 30 is explained further below with reference to FIGS. 2A, 2B and 4B.
- the battery housing 20 has two further fastening devices 40 which also run parallel to the longitudinal extent L of the battery housing shell 20 , the two further fastening devices 40 running in the direct vicinity of the side walls 27 of the battery housing shell 20 .
- the precise design of the fastening devices 40 is explained further below with reference to FIGS. 3A, 3B, 4A and 5.
- the respective fastening devices 30 , 40 are connected to the battery housing shell 20 by means of screws 60 .
- the battery housing shell 20 has a reinforcement structure 22 that extends into the battery housing volume 11 .
- the fastening device 30 is supported on the reinforcement structure 22 away . Consequently, the fastening device 30 is at least indirectly and more preferably directly in contact with the reinforcement structure 22 .
- the reinforcement structure 22 is designed as a central web 22 which extends along the longitudinal extent L of the battery housing shell 20 .
- the central web 22 has a first web 22_1 and a second web 22_2 and can therefore also be referred to as a double web 22 .
- connecting devices 23 are formed, by means of which the fastening device 30 can be connected to the central web 22 .
- the connecting devices 23 are formed, by means of which the fastening device 30 can be connected to the central web 22 .
- the threaded sleeves 23 are in the present exemplary embodiment from designed as threaded sleeves.
- the threaded sleeves 23 can be formed in the central web 22 in one piece with the central web 22 .
- the connecting devices 23 are also designed as separate connecting devices 23 around which the plastic material of the central web 22 flows.
- the fastening rail 30 is then connected to the central web 22 by means of screws 60 in that the screws 60 engage in the threaded sleeves 23 .
- the screws 60 may be screwed directly into the center bar 22, with the screws 60 penetrating the material of the center bar 22 due to their external thread and creating a thread in the material of the center bar 22 by being screwed in.
- connection between the fastening rail 30 and the central web 22 could be achieved by means of a riveted connection and/or by means of a latching connection.
- the fastening device 30 is designed as a fastening rail 30 and has an exceptional recess 31 in the form of a Receiving groove 31 in which the reinforcing structure 22 is received. Furthermore, the fastening rail has two fastening strips 32 , 33 which are each formed as a projection of the fastening rail 30 . A large number of fastening elements 34 are arranged in each of the two fastening strips 32 , 33 , into which screws 61 can be screwed, so that battery components 2 , 4 to be fastened are reliably held within the battery housing volume 11 .
- cooling modules 4 shown each have a plurality of fastening openings 5 .
- the respective fastening elements 34 protrude through the fastening openings 5, so that the respective cooling modules 4 with the
- Mounting rail 30 are connected.
- FIG. 2B It can be seen from FIG. 2B that a battery module 2 rests on each cooling module 4 .
- the respective battery modules 2 also have fastening openings 3 (see FIG. 4B) through which the screws 61 protrude, so that the battery modules 2 are also reliably connected to the fastening rail 30 .
- the battery modules 2 can be subjected to a force in the direction of the cooling modules 4 by means of the screws 61, so that an intimate connection between the battery modules 2 and the cooling modules 4 is ensured, whereby a reliable thermal coupling between the battery modules 2 and cooling modules 4 that are in contact is ensured.
- the traction battery 1 is shown in cross section in the area of a side wall 27 .
- the battery housing shell 20 has a reinforcement structure 25 in the form of an edge web 25 in the area of its side wall 27 , which extends along the longitudinal extent L of the battery housing shell 20 and is arranged adjacent to the side wall 27 .
- the fastener 40 is designed as a fastening rail 40 and is supported on the edge web 25 .
- the fastening rail 40 also has a plurality of fastening elements 44 which are designed as threaded sleeves 44 .
- the fastening devices 44 are arranged in a fastening strip 42 of the fastening device 40 .
- Screws 61 can be screwed into the fastening elements 44, which protrude through both fastening openings 5 of the cooling modules 4 and fastening openings 3 of the battery modules 2, so that the respective battery modules 2 can be subjected to a force using the screws 61 in the direction of the respective cooling modules 4.
- the battery housing 10 has a plurality of hold-down devices 50 in the form of cross members 50 .
- the respective crossbeams 50 are connected to the battery housing shell 20 by a screw 60 protruding through the respective crossbeams 50 and a through-opening 45 in a tab of the fastening rail 40 and being screwed into a fastening dome 28 of the battery housing shell 20 .
- the respective cross members 50 are thus connected to the battery housing shell 20 .
- the fastening rail 40 is consequently arranged between a cross member 50 and the battery housing shell 20 and is subjected to a force in the direction of the reinforcement structure 25 by means of the cross member 50 .
- FIG. 5 shows a traction battery 1 according to a further embodiment of the present invention in cross section in the area of its side wall 27 .
- the wall 27 in the form of the side wall 27 has a reinforcement structure 27_1 in the form of a wall projection 27_1.
- the wall projection 27_1 extends along the longitudinal extent L of the battery housing shell 20 .
- the fastening device 40 is designed as a fastening rail 40 and is supported on the wall projection 27_1.
- connection device (of the reinforcement structure)
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020129785.8A DE102020129785A1 (de) | 2020-11-11 | 2020-11-11 | Batteriegehäuse, Traktionsbatterie und Kraftfahrzeug |
PCT/EP2021/081145 WO2022101220A1 (de) | 2020-11-11 | 2021-11-09 | Batteriegehäuse, traktionsbatterie und kraftfahrzeug |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4244929A1 true EP4244929A1 (de) | 2023-09-20 |
Family
ID=78621894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21807098.5A Pending EP4244929A1 (de) | 2020-11-11 | 2021-11-09 | Batteriegehäuse, traktionsbatterie und kraftfahrzeug |
Country Status (5)
Country | Link |
---|---|
US (1) | US20230387532A1 (de) |
EP (1) | EP4244929A1 (de) |
JP (1) | JP2023547948A (de) |
DE (1) | DE102020129785A1 (de) |
WO (1) | WO2022101220A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021130869A1 (de) | 2021-11-25 | 2023-05-25 | Bayerische Motoren Werke Aktiengesellschaft | Trageinrichtung für einen elektrischen Energiespeicher mit Abschottleiste sowie elektrischer Energiespeicher |
CN115360469B (zh) * | 2022-10-20 | 2023-01-24 | 楚能新能源股份有限公司 | 一种电池包下箱体 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5408440B2 (ja) * | 2010-01-18 | 2014-02-05 | 三菱自動車工業株式会社 | 車両用バッテリケース |
JP5790628B2 (ja) | 2012-12-04 | 2015-10-07 | 三菱自動車工業株式会社 | 電池パック |
JP6545212B2 (ja) | 2017-03-17 | 2019-07-17 | 本田技研工業株式会社 | 電池パック |
US11211656B2 (en) * | 2017-05-16 | 2021-12-28 | Shape Corp. | Vehicle battery tray with integrated battery retention and support feature |
DE102018120371B4 (de) * | 2018-08-21 | 2021-07-29 | Kirchhoff Automotive Deutschland Gmbh | Batteriegehäuse für ein elektromotorisch angetriebenes Fahrzeug |
-
2020
- 2020-11-11 DE DE102020129785.8A patent/DE102020129785A1/de active Pending
-
2021
- 2021-11-09 WO PCT/EP2021/081145 patent/WO2022101220A1/de active Application Filing
- 2021-11-09 US US18/036,223 patent/US20230387532A1/en active Pending
- 2021-11-09 EP EP21807098.5A patent/EP4244929A1/de active Pending
- 2021-11-09 JP JP2023528166A patent/JP2023547948A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE102020129785A1 (de) | 2022-05-12 |
WO2022101220A1 (de) | 2022-05-19 |
JP2023547948A (ja) | 2023-11-14 |
US20230387532A1 (en) | 2023-11-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2022101220A1 (de) | Batteriegehäuse, traktionsbatterie und kraftfahrzeug | |
EP3313679B1 (de) | Klimaanlage für ein fahrzeug, insbesondere aufdachklimaanlage und fahrzeug mit einer solchen klimaanlage | |
EP0876942A2 (de) | Gassack-Modul für ein Fahrzeuginsassen-Rückhaltesystem | |
EP3557654A1 (de) | Montageanordnung eines elektrisch antreibbaren kraftfahrzeugs | |
DE102011116630A1 (de) | Hochvoltspeicher für eine unfallsichere Montage | |
DE102019111769A1 (de) | Batteriemodul einer Hochvolt-Batterie für ein Elektrofahrzeug | |
DE102017217887A1 (de) | Batterieanordnung und Fahrzeug mit einer derartigen Batterieanordnung | |
DE102018222018A1 (de) | Vorderwagenstruktur eines Kraftfahrzeuges und Verfahren zur Montage einer Vorderwagenstruktur | |
DE102021005515A1 (de) | Fahrzeug mit einer Antriebsbatterie | |
DE102020117832B4 (de) | Traktionsbatteriesystem für ein Kraftfahrzeug und Kraftfahrzeug mit einem elektrischen Antrieb | |
EP1613848B1 (de) | Befestigungseinrichtung für einen wärmeübertrager und warmeübertragerbefestigung | |
EP1609703A2 (de) | Querträger | |
EP0661201B1 (de) | Kraftfahrzeug sowie Verfahren zur Herstellung eines Kraftfahrzeuges | |
DE102009051036A1 (de) | Verbindungsstruktur für die Verbindung von Strukturbauteilen und Tragstruktur einer Fahrzeugkarosserie | |
DE102017209524A1 (de) | Befestigungsanordnung zur Befestigung von Batteriemodulen in einem Batteriekasten und Traktionsbatterie für ein Kraftfahrzeug | |
WO2022101221A1 (de) | Befestigung von crashelementen an batteriegehäusen | |
DE102020107718A1 (de) | Speichergehäuse für ein Fahrzeug II | |
DE102020112656A1 (de) | Traktionsbatterie eines Kraftfahrzeugs | |
DE102022132121B3 (de) | Verstärkungsanordnung zur Längsabstützung | |
DE19906447B4 (de) | Gehäuse zur Aufnahme eines gefalteten Luftsacks | |
DE102018128094B4 (de) | Baugruppe für ein bordnetz eines kraftfahrzeugs und verfahren zum herstellen einer baugruppe für ein bordnetz eines kraftfahrzeugs | |
DE102020003907A1 (de) | Rahmen für eine Batterie | |
DE102017201258B4 (de) | Träger zum Lagern einer Fahrzeugeinrichtung für ein Kraftfahrzeug | |
DE102021209744A1 (de) | Strukturbauteil für einen Energiespeicher, Energiespeicher und Berechnungsverfahren für Toleranzen | |
EP4391152A2 (de) | Zellträgerstrebe, zellträgerverbundsystem sowie batterieträger und batteriegehäuse |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20230602 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20230925 |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |