WO2021025525A1 - 자동차용 언더 바디 - Google Patents
자동차용 언더 바디 Download PDFInfo
- Publication number
- WO2021025525A1 WO2021025525A1 PCT/KR2020/010485 KR2020010485W WO2021025525A1 WO 2021025525 A1 WO2021025525 A1 WO 2021025525A1 KR 2020010485 W KR2020010485 W KR 2020010485W WO 2021025525 A1 WO2021025525 A1 WO 2021025525A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vehicle
- cover member
- battery module
- layer
- cover
- 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.)
- Ceased
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- 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
-
- 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
- H01M50/233—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
- 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
- H01M50/271—Lids or covers for the racks or secondary casings
- H01M50/273—Lids or covers for the racks or secondary casings characterised by the material
- H01M50/278—Organic material
-
- 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
- H01M50/271—Lids or covers for the racks or secondary casings
- H01M50/273—Lids or covers for the racks or secondary casings characterised by the material
- H01M50/282—Lids or covers for the racks or secondary casings characterised by the material having a layered structure
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
- B60K2001/0416—Arrangement in the rear part of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
- B60K2001/0438—Arrangement under the floor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/91—Electric vehicles
-
- 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 invention relates to an under body for a vehicle, and more particularly, to an under body that is directly fastened to a lower portion of a vehicle body frame and capable of storing a battery module therein.
- Eco-friendly vehicles that can reduce environmental pollution are attracting attention as a means to replace conventional vehicles using only fossil fuels.
- Eco-friendly vehicles include cases where driving power is obtained from secondary batteries, such as hybrid or electric vehicles.
- a hybrid or electric vehicle has a structure in which a battery pack or battery module including a plurality of secondary batteries is mounted on a vehicle body.
- a battery pack or battery module including a plurality of secondary batteries is mounted on a vehicle body.
- a relatively large-capacity battery pack is required.
- a sufficient mounting space is required.
- Korean Patent Publication No. 10-2019-0029954 discloses an under body for an electric vehicle to which a battery pack can be mounted.
- a center floor panel is assembled between both side sills consisting of a side sill inner panel and a side sill outer panel of a vehicle, and a battery pack is provided under the center floor panel by a mounting member mounted inside the side sill. Secure storage space.
- Korean Patent Registration No. 10-1565980 discloses a follower panel assembly agent for an electric vehicle.
- the content of cooling the battery module by air cooling is disclosed, and this cooling method has a limitation in that the temperature of the battery module cannot be effectively lowered when driving a vehicle.
- a separate space for forming an air flow path is required.
- the present invention has been devised to solve the above problems, and an object of the present invention is to provide an underbody for a vehicle capable of directly fastening a battery module to a vehicle body frame.
- a tray member that is fastened to the lower portion of the vehicle body frame and includes a storage unit having a structure in which a lower surface is opened to accommodate the battery module; And a cover member covering an opened lower surface of the receiving portion, wherein the cover member includes a flow path through which the refrigerant fluidly moves.
- the cover member has a structure in which irregularities are formed on one or both surfaces of the plate-shaped panel, and the irregularities of the cover member are formed in a form in which protrusions or depressions are formed along a flow path on the surface of the plate-shaped panel.
- the protrusions or depressions are arranged at regular intervals and include a curved region on the same plane.
- the protrusions or depressions are arranged at regular intervals and include a patterned region oriented in one direction.
- the cover member includes: a cooling layer having a flow path through which a refrigerant fluid moves; And a cover layer protecting the lower surface of the cooling layer.
- the cooling layer and the cover layer have a structure in which irregularities are formed, and the irregularities of the cooling layer have a shape in which a protrusion is formed along a flow path on the surface of the plate-shaped panel,
- the unevenness of the cover layer has a shape in which a depression is formed on the surface of the plate-shaped panel so as to correspond to the projection of the cooling layer, and the cooling layer and the cover layer have a structure in which the projection of the cooling layer is inserted into the depression of the cover layer to be in close contact.
- the cooling layer is formed of a metal material
- the cover layer is formed of a plastic material
- the vibration preventing layer may be formed of a fibrous layer such as a nonwoven fabric or a foam layer of a resin.
- the cover member has a single-layer plate-shaped panel structure, and a flow path is formed on one surface of the plate-shaped panel or is recessed inside the plate-shaped panel.
- the cover member includes a region for opening and closing part or all of the open surface of the receiving portion.
- the receiving unit may include an outer wall member surrounding a side surface of a battery module to be accommodated; And a partition wall member dividing the interior of the receiving part into a plurality of compartments.
- the receiving unit may include an outer wall member surrounding a side surface of a battery module to be accommodated; And a partition member for dividing the interior of the receiving unit into a plurality of compartments, each of which is a structure in which an individual battery module is accommodated.
- the outer wall member forms a quadrangular structure surrounded by a slope based on a cross-sectional structure on a plane, but the first and second front-rear outer wall members are arranged to be perpendicular to the front-rear direction of the vehicle. ; And first and second left and right outer wall members arranged to be perpendicular to the left and right directions of the vehicle.
- at least one of the first and second left and right outer wall members has a structure capable of changing its position in the front-rear direction of the vehicle.
- the outer wall member includes: first and second front-rear outer wall members arranged to be perpendicular to the front-rear direction of the vehicle, but forming a structure in which three surfaces are enclosed based on the cross-sectional structure on a plane; And a first left and right outer wall member arranged to be perpendicular to the left and right direction of the vehicle.
- the first left and right outer wall members have a structure capable of changing their position in the front and rear directions of the vehicle.
- the cover member has a shape of a bent panel, and has a structure covering a lower surface of the receiving unit and an open side surface.
- the present invention provides a battery pack, wherein the battery pack may be a battery module accommodated in the underbody for a vehicle.
- the present invention provides a vehicle including the battery pack, and the vehicle may be a hybrid vehicle or an electric vehicle.
- the underbody for a vehicle according to the present invention can sufficiently secure a space for accommodating a battery module, can omit a process of separately assembling a battery tray after manufacturing the vehicle, and can effectively cool the housed battery module.
- FIG. 1 is an exploded perspective view showing a coupling structure of an under body for a vehicle according to an embodiment of the present invention.
- FIGS. 2 and 3 are schematic views of a cover member of an underbody for a vehicle according to an embodiment of the present invention observed from below and above, respectively.
- FIG. 4 is a schematic view of an observation of a cover member of an underbody for a vehicle according to another embodiment of the present invention.
- FIG. 5 and 6 are cross-sectional views of a cover member of an underbody for a vehicle according to an embodiment of the present invention, respectively.
- FIG. 7 is a schematic diagram showing the main configuration of a battery module according to an embodiment of the present invention.
- FIG. 8 is a perspective view showing a tray member of an under body for a vehicle according to an embodiment of the present invention.
- FIG. 9 is a schematic diagram showing a state in which a battery module is mounted on a tray member of an underbody for a vehicle according to an embodiment of the present invention.
- FIG. 10 is a view showing an underbody for a vehicle according to an embodiment of the present invention.
- the longitudinal direction of the vehicle body is defined as'front and rear direction'
- the width direction of the vehicle body is defined as'left and right direction'
- the height of the vehicle body is defined as'up-down direction'.
- the length direction, width direction, and height direction are defined based on the shape of a general vehicle.
- the present invention relates to an underbody for a vehicle, comprising: a tray member fastened to a lower portion of a vehicle body frame and including a storage unit having a structure in which a lower side is opened to accommodate a battery module; And a cover member covering an opened lower surface of the receiving portion, wherein the cover member includes a flow path through which the refrigerant fluidly moves.
- the under body is a structure that is directly fastened to the lower portion of the vehicle body frame.
- "direct fastening” means fastening without using a separate intermediate material or parts for fastening.
- the under body may be directly fastened to the lower portion of the vehicle body frame through welding or bolting.
- a battery pack in which a battery module is accommodated in a tray member is assembled from the outside, and the assembled battery pack is coupled to a lower portion of a vehicle body through an additional assembly process.
- the battery pack and the vehicle are manufactured separately, and the battery pack assembled on one surface of the underbody of the vehicle is mounted in a separate process.
- the present invention provides an under body including a battery module receiving portion.
- the under body is an element of a vehicle body constituting an automobile. Specifically, the under body constitutes the bottom surface of the vehicle body and at the same time constitutes one surface of the battery module receiving portion.
- An underbody for a vehicle according to the present invention includes a tray member and a cover member.
- the cover member has a structure in which irregularities are formed on one or both surfaces of the plate-shaped panel.
- the unevenness of the cover member is formed on the surface of the plate-shaped panel, and has a structure in which protrusions or depressions are formed along the flow path.
- the cover member has an effect of increasing rigidity by forming an uneven structure.
- the volume required for forming the cover member can be minimized.
- the protrusions or depressions are arranged at regular intervals, and include a curved area on the same plane.
- the protruding portion or the concave portion it is possible to increase resistance to an impact applied in unspecified or various directions.
- the protrusions or depressions are arranged at regular intervals and include a patterned region oriented in one direction.
- the protrusion includes a pattern oriented in one direction, thereby increasing the rigidity of the vehicle body.
- the protrusion or depression includes a patterned region oriented in the front and rear or width direction, and in this case, resistance to a force applied perpendicular to the pattern direction of the protrusion or depression may be increased.
- the unevenness of the cover member according to the present invention includes a pattern in which the uneven structure oriented in one direction is repeated, and the ends of the uneven structure oriented in each one direction may have a shape connected through a curved uneven structure. have.
- FIG. 1 is an exploded perspective view of an under body according to an embodiment of the present invention, and shows a coupling structure of the under body.
- the underbody for a vehicle is fastened to a lower portion of a vehicle body frame and includes a tray member 300 for accommodating a battery module, a battery module 210 accommodated in a receiving portion of the tray member 300, And a cover member 100 covering the receiving portion of the tray member 300.
- the tray member 300 is located at the uppermost part of the under body for a vehicle, and the cover member 100 is located at the lowermost end of the vehicle body.
- one or more electrical equipment 230 is mounted as necessary.
- the electrical equipment 230 is mounted adjacent to the battery module 210, the battery management system (BMS) for monitoring and controlling the operation of the battery module 210;
- BMS battery management system
- a BDU Battery Disconnect Unit mounted adjacent to the battery module 210 and the BMS and controlling electrical connection of the battery module 210;
- a fuse positioned between the battery module 210 and the BMS and providing an overcurrent blocking function;
- a bus bar connected to the module terminal of the battery module 210 to electrically connect the battery module 210; And an LV wire electrically connecting the electronic device. And the like.
- the BMS may further include components such as a current sensor or a relay.
- the current sensor is a component that senses the charging/discharging current of the battery pack
- the relay is a switching component that selectively opens and closes the charging/discharging path through which the charging/discharging current of the battery pack flows, and can be controlled while exchanging information with the BMS.
- a thermal interface material (TIM) 231 may be interposed between the battery module 210 and the cover member 100.
- the TIM 231 includes a material having excellent thermal conductivity, and a thermal pad or resin may be used.
- the TIM 231 fills an empty space due to the surface roughness of the contact surface between the battery module 210 and the cover member 100 to reduce thermal contact resistance therebetween. Heat generated from the battery module 210 can be quickly discharged toward the cover member 100 below.
- the TIM 231 is in direct contact with one surface of the battery module 210 and the cover member 100, and may have a size corresponding to the area of the battery module 210 accommodated in the tray member 300, and the TIM is each
- the structure may be separated to correspond to each battery module, but is not limited thereto.
- the battery module 210 may be fastened to the tray member 300 by a predetermined method, and is mechanically fastened using, for example, a mounting bolt 220 and a mounting nut (not shown). It may be collectively referred to as the battery pack 200 including the battery module 210 and the electrical equipment 230, and may further include a mounting bolt 220 for fixing the battery module 210.
- the underbody for a vehicle may include a battery module 210 and an electrical component 230 mounted on one surface of the battery module 210.
- the tray member 300 simultaneously serves as a lower tray of a conventional battery module and an undercover of a vehicle.
- the cover member includes a flow path through which the refrigerant fluid moves.
- the battery module generates a lot of heat during operation, and cooling is essential for maintaining battery performance and safety. Cooling of the battery module may be performed by forming an air flow path on one surface of the battery module or attaching a cooling plate to heat radiation.
- cooling efficiency is lower than when cooling is performed using a cooling plate, and in particular, a separate space must be secured to form the flow path.
- the cooling plate should be located below the battery module. This is because when the cooling plate is located above the battery module, if the cooling plate is damaged, the refrigerant may leak from the cooling plate and cause a short circuit while contacting terminals of the battery.
- the flow path through which the refrigerant flows is integrated with the cover member, thereby minimizing space waste due to the installation of the cooling plate, and cooling at the lower end of the vehicle body.
- the cover member is disposed under the battery module, through which the contact force with the battery module is strengthened by the load of the battery module, thereby improving cooling efficiency.
- the cover member of the present invention includes a cooling layer in which a flow path through which a refrigerant fluid moves is formed; And a cover layer protecting a lower surface of the cooling layer.
- the cooling layer and the cover layer have a structure in which unevenness is formed, the unevenness of the cooling layer is a form in which a protrusion is formed along a flow path on the surface of the plate-shaped panel, and the unevenness of the cover layer is In the form of a recessed portion formed on the surface of the panel to correspond to the protrusion of the cooling layer.
- the cooling layer and the cover layer may have a structure in which the protrusion of the cooling layer is inserted into the recessed portion of the cover layer to be in close contact.
- the cover member has a structure to supplement rigidity by forming irregularities. In the present invention, cooling and space efficiency can be simultaneously improved by integrating the unevenness of the cover member and the arrangement of the flow path.
- each of the layers may be formed of a different material.
- the cooling layer is formed of a metal material
- the cover layer is formed of a plastic material.
- the metal material forming the cooling layer is not particularly limited as long as it is a metal material having thermal conductivity, but may be, for example, at least one selected from copper, aluminum, iron, and alloys thereof.
- the cover layer is not particularly limited as long as it is a plastic material having a certain level of stiffness, but for example, a plastic material including at least one of PP, PE, and PET can be used, and fibers dispersed in the layer, etc., if necessary. It may include.
- the present invention may further include an anti-vibration layer positioned between the cooling layer and the cover layer.
- the anti-vibration layer serves to block vibration and noise coming up from the lower portion of the vehicle body when driving the vehicle.
- the anti-vibration layer may be formed of, for example, one or more of a nonwoven fabric layer, a resin fiber layer, a resin layer, and a foam layer.
- the cover member has a single-layer plate-shaped panel structure, and the flow path may be formed on one surface of the plate-shaped panel or recessed inside the plate-shaped panel.
- the flow path is formed on one surface of the plate-shaped panel when the flow path is attached to one surface of the plate-shaped panel.
- the flow path has a shape attached to the surface of the cover member or partially recessed inside the cover member based on the cross section of the flow path, and a protrusion is formed in the cover member along the flow path.
- the form in which the flow path is recessed inside the plate-shaped panel is a case where the flow path is recessed in the cover member.
- the flow path is partially or entirely embedded in the cover member based on the cross-section of the flow path, and protrusions are formed on one or both surfaces of the cover member along the flow path.
- the cover member of the present invention has a single-layer plate-shaped panel structure
- the cover member may be formed of a metal material.
- the metal material is not particularly limited as long as it is a metal material having excellent thermal conductivity, but may be, for example, at least one selected from copper, aluminum, iron, and alloys thereof.
- the cover member may include a region for opening and closing part or all of the open surface of the receiving portion formed on the tray member.
- the cover member serves to cover the open surface of the receiving unit, and can be opened if necessary. In the process of using the battery module, there are cases in which repair or replacement is required. At this time, by removing only the cover member, it is possible to repair or replace the battery module.
- the cover member is detachably attached to the tray member, and is, for example, a bolted structure.
- FIGS. 2 and 3 are schematic views of a cover member of an underbody for a vehicle according to an embodiment of the present invention observed from below and above, respectively.
- the cover member 100 has a plate-shaped panel structure, a structure in which a flow path is formed, and irregularities 111 are formed on the surface of the cover member 100.
- a central fixing point 112 for intermediate fastening is formed in a specific area among the irregularities 111 of the cover member 100, and a bolt through hole 113 for fastening is formed at the edge of the cover member 100. .
- the cover member 100 is a plate-shaped structure having a size covering the open surface of the receiving unit, and bolt through holes 111 for coupling are formed at a predetermined interval on the outer periphery of the cover member 100.
- the outer periphery of the cover member 100 may have irregularities having a shape corresponding to the irregularities of the ends of the outer wall members.
- irregularities 111 are formed on the outer surface of the cover member 100.
- the irregularities 111 are formed on the surface of the cover member 100 and are recessed along a flow path.
- the irregularities 111 have a shape protruding or recessed from the outer surface in a direction in contact with the battery module. Accordingly, the cover member 100 may more effectively and safely protect the battery module against physical shock or stress applied from the outside in various operating environments.
- one side of the cover member 100 is vertically bent.
- the vertically bent cover member 100 may cover an open surface and/or a side surface.
- One side of the cover member 100 that is vertically bent is again vertically bent to form a mating surface with the tray member 300, and a hole is formed on the mating surface excluding the vehicle body frame and bolt fastening.
- the central portion of the vertically bent side may have a structure that protrudes toward the outside in order to improve the bonding force and rigidity with the tray member 300, and the width of the protruding portion is the same as the distance apart from each other by the battery module assembly. can do.
- the cover member 100 has a central fixing point 112 formed at a portion of the tray member in contact with the partition wall member in the central portion, and further coupling with the partition wall member through bolts or the like is possible.
- FIG. 3 is a schematic view of the cover member observed from above.
- an inlet port 121 and an outlet port 122 through which refrigerant flows into or out of a flow path are formed at one side of the cover member 100.
- a refrigerant flow path connected to the inlet port 121 and the outlet port 122 is formed so that the refrigerant introduced through the inlet port 121 cools the battery module by heat exchange.
- valves capable of adjusting the flow of refrigerant may be installed at the inlet port 121 and the outlet port 122.
- the inlet port 121 and the outlet port 122 are located at the end of the cover member in one direction, and accordingly, the inlet port 121 and the outlet port 122 can pass through one side of the tray member.
- a through hole capable of being formed is formed, and the inlet port 121 and the outlet port 122 are connected to an external refrigerant storage space through the through hole.
- the refrigerant a fluid that easily flows in a flow path and has excellent cooling properties may be used, and water, antifreeze, gas refrigerant, or air may be used, but water capable of maximizing cooling efficiency due to high latent heat is most preferred.
- the refrigerant flow path has a serpentine hairpin loop structure so that the temperature distribution can be uniform, so that several straight sections and curved sections coexist.
- FIG. 4 is a schematic view of an observation of a cover member of an underbody for a vehicle according to another embodiment of the present invention.
- 4 is a schematic view of the cover member observed from below.
- the cover member 100 has a plate-shaped panel structure, a structure in which a flow path is formed, and irregularities 111 are formed on the surface of the cover member 100.
- the unevenness 111 formed on the surface of the cover member 100 has a shape in which a linear pattern extending in the left and right direction is repeated, which is formed along a linear pattern among regions in which a flow path is formed.
- a central fixing point 112 for intermediate fastening is formed in a specific area among the irregularities 111 of the cover member 100, and a bolt through hole 113 for fastening is formed at the edge of the cover member 100. .
- FIG. 5 and 6 are cross-sectional views of a cover member of an underbody for a vehicle according to an embodiment of the present invention, respectively.
- the cover member 100 has a structure in which the cooling layer 103 and the cover layer 104 are formed with irregularities.
- the cooling layer 103 has a flow path 101 formed therein, and a protrusion is formed on the surface along the flow path 101.
- the cover layer 104 has a shape in which a recess is formed on the surface of the plate-shaped panel to correspond to the protrusion of the cooling layer 103, and the protrusion of the cooling layer 103 is inserted into the recess of the cover layer 104 and is in close contact.
- the cooling layer 103 may be formed of an aluminum alloy, and the cover layer 104 may be formed of a plastic material.
- the cover member 100 has a single-layer plate-shaped panel structure, and a channel 102 is formed in the panel structure.
- the flow path 102 is located in a form partially recessed inside the plate-shaped panel structure.
- the plate-shaped panel may be formed of an aluminum alloy or the like.
- One area for forming the flow paths 101 and 102 of the cover member 100 may be provided per battery module, but it is preferable that the cover member 100 be formed as an integral type covering all of the battery modules in order to simplify the number of parts and the assembly process.
- the receiving portion is an outer wall member surrounding the side of the battery module to be accommodated; And a partition wall member that divides the interior of the receiving part into a plurality of compartments. Individual battery modules are accommodated in each fractional area divided by the partition member.
- the outer wall member divides a region in which the battery module is accommodated, and the partition wall member divides the interior of the receiving portion when two or more battery modules are accommodated.
- the outer wall member and the partition wall member serve to fix the received battery module from the side.
- the outer wall member has a rectangular structure in which slopes are enclosed based on a planar cross-sectional structure.
- the outer wall member may include first and second front-rear outer wall members arranged to be perpendicular to the front-rear direction of the vehicle; And first and second left and right outer wall members arranged to be perpendicular to the left and right directions of the vehicle.
- at least one of the first and second left and right outer wall members may have a structure capable of changing their position in the front-rear direction of the vehicle.
- the outer wall member forms a structure in which three surfaces are wrapped based on a planar cross-sectional structure.
- the outer wall member forms a "c" structure in which three surfaces are continuously wrapped and the other surface is open.
- the outer wall member may include first and second front-rear outer wall members arranged to be perpendicular to the front-rear direction of the vehicle; And a first left and right outer wall member arranged to be perpendicular to the left and right direction of the vehicle.
- the first left and right outer wall member may have a structure capable of changing its position in the front-rear direction of the vehicle.
- the cover member when the outer wall member has a structure in which three surfaces are enclosed based on a planar cross-sectional structure, the cover member has a bent panel shape. Through this, the cover member forms a structure covering the lower surface of the receiving unit and the open side surface.
- FIG. 7 is a schematic diagram showing the main configuration of a battery module according to an embodiment of the present invention.
- the battery module 210 includes a case in which a plurality of divided battery modules are assembled, and each battery module may include a secondary battery (not shown).
- the secondary battery may be a pouch-type secondary battery
- the pouch-type secondary battery may include an electrode assembly, an electrolyte, and a pouch case.
- the electrode assembly is an assembly of an electrode and a separator, and may be configured in a form in which one or more positive electrode plates and one or more negative electrode plates are disposed with the separator interposed therebetween.
- each electrode plate of the electrode assembly is provided with an electrode tab, and one or more electrode tabs may be connected to the electrode lead.
- the electrode lead is interposed between the pouch case and one end is exposed to the outside, and the exposed portion may function as an electrode terminal of the secondary battery.
- the pouch case may contain an electrolyte solution together with the electrode assembly in the inner space.
- the pouch exterior material may be configured in a form in which the edge portion is sealed by a method such as heat fusion.
- the pouch case may be composed of an upper pouch and a lower pouch, and each pouch includes an outer insulating layer, a metal layer, and an inner adhesive layer, so that the inner adhesive layers may be fused to each other.
- the battery module 210 may include a plurality of secondary batteries.
- a plurality of secondary batteries as pouch-type secondary batteries, may be stacked vertically or horizontally in a form in which wide surfaces face each other to form a secondary battery stack.
- such a secondary battery may include a cartridge in the form of a square ring surrounding the rim of the secondary battery, or may be mounted in a state in which the secondary battery is stacked in the module case 211. In this case, it is more preferable to use a module case in terms of securing space for the secondary battery.
- the module case 211 may be formed of a metal material having high mechanical strength and excellent thermal conductivity, and there is no particular limitation on the shape of the module case 211, but may be formed as a mono frame in the shape of a square column. , After bonding the U-shaped frame to both sides of the secondary battery stack, the U-shaped frames may be connected with a separate plate-shaped frame. A groove for mounting a secondary battery may be formed inside the module case 211. Such a module case can prevent its flow by holding the secondary battery.
- the battery module is completed by mounting the cover on the open front and rear portions of the module case 211.
- a duct through which air flows between the inside and outside of the battery module, a sensing assembly that is connected to an electrode lead of the secondary battery and senses a voltage of the secondary battery, and the like may be further provided.
- the sensing assembly may include a plurality of busbars, connectors, harness wires, printed circuit boards, etc. that are individually connected to the pouch-type secondary battery, respectively.
- one or more battery modules 210 are mounted on a tray member 300 to be described later.
- the battery module 210 includes a case where a plurality of battery modules 210 form one pack. That is, a plurality of battery modules 210 may be connected in series and/or in parallel according to the output and capacity required for the battery pack.
- FIG. 8 is a perspective view showing the structure of the tray member 300 according to an embodiment of the present invention
- FIG. 9 is a view in which the battery module 210 according to an embodiment of the present invention is coupled on the tray member 300 Is a perspective view showing.
- the tray member 300 includes outer wall members 320 and 340 surrounding the side surfaces of the storage unit 310, which is a battery module accommodation space; And a partition member 330 extending in the front and rear and left and right directions so as to divide the receiving part 310 into a plurality of partitions.
- the outer wall member 340 positioned perpendicular to the front-rear direction is formed in the form of a side cover, and can be moved in the front-rear direction as necessary.
- the outer wall members 320 and 340 form three or four walls from the bottom of the tray member 300 and form an insertion portion 310 into which the battery module 210 is inserted.
- the tray member 300 has a bottom surface of a certain area, and the battery module is mounted on the bottom surface of the tray member 300.
- the bottom surface is formed with a plurality of uneven portions or ribs 311 so that the battery module does not move due to external shock or vibration and a stable mounting state is maintained.
- the outer wall members 320 and 340 protrude to a predetermined height from the bottom surface of the tray member 300 and protrude to a length corresponding to the height of the battery module 210.
- the outer wall members 320 and 340 extend along the front and rear or left and right sides of the battery module 210 to surround the battery module 210.
- the outer wall member 320 formed to extend along the left and right sides of the battery module 210 has bolt insertion grooves 321 for fastening to the frame of the vehicle body.
- An unevenness is formed at an end of the outer wall member 320 to enhance a coupling force with the vehicle body frame. More specifically, a portion in which the bolt insertion groove 321 is formed protrudes, and a portion that is not formed may have a recessed structure.
- the partition wall member 330 is installed on the tray member 300 to which the battery module 210 is fastened, and the plurality of battery modules 210 can be fastened in units of a predetermined number of battery modules by dividing the insertion part 310. To be.
- the partition member 330 has a shape extending in the front and rear and left and right directions of the tray member 300.
- a plurality of battery modules 210 according to the present invention can be applied. 8 and 9, there are a first partition member 331 extending in the front and rear direction and a second partition member 332 extending in the left and right direction, so that the battery modules 210 are composed of two battery modules. Divided into an assembly, each assembly of four battery modules is mounted, but there are no special restrictions on the number of partition members, the number of battery module assemblies, the number of battery modules included in the battery module assembly, and the arrangement of battery modules. .
- first partition wall members extending in the front-rear direction may be installed
- second partition wall members extending in the left-right direction may be installed
- the battery modules may be arranged in parallel in the left-right direction, or It can also be arranged parallel to the front and rear directions.
- the outer wall member 340 positioned in the front-rear direction is formed on one side of the battery module 210 to fix and protect the battery module 210.
- the outer wall member 340 positioned in the front-rear direction is a structure that can be detached from the tray member 300, and the outer wall member 140 positioned in the front-rear direction is bent to form a mounting surface 341 for coupling with the cover member.
- the mounting surface 341 is formed with a bolt through hole to enable bolt coupling.
- a support part 343 for supporting the outer wall member 340 protrudes in the center of the outer wall member 340 positioned in the front-rear direction.
- the support part 343 is a support 344 extending in a diagonal direction toward the tray member 300 from the center of the outer wall member 340 positioned in the front and rear direction, and the support 344 is connected to the support 344 and is connected to the tray member ( It consists of a support plate 345 in contact with the 300).
- the support 344 and the support plate 345 form a flange structure. Since the outer wall member 340 positioned in the front-rear direction is coupled to the tray member 300 and the cover member through the narrow mounting surface 341, the portion bent by an external impact is bent in the front-rear direction and is easily damaged. , It may be stably fixed to the vehicle body frame through the support part 343.
- a portion in which the tray member 300 and the support part contact may have a structure in which the tray member 300 and the support part contact each other to correspond to the shape of the support part 343.
- the support plate 345 constituting the support part 343 may have a plate-like structure, and the portion in which the tray member 300 and the support plate 345 contact is a left-right side portion of the support plate 345 It is indented compared to. That is, the support part 343 has a shape that is fixed between the recessed portions of the tray member 300, and through this, it is possible to prevent the horizontal direction flow of the outer wall member 340 positioned in the front-rear direction.
- a mounting bracket (not shown) for fixing the battery module to the insertion part 310 may be installed on the tray member 300.
- the undercover for a vehicle according to the present invention exhibits superior performance compared to separately manufacturing and then combining the battery pack by directly fastening the battery module to the body frame.
- the undercover for a vehicle according to the present invention exhibits superior performance compared to separately manufacturing and then combining the battery pack by directly fastening the battery module to the body frame.
- the under cover according to the present invention is inserted into the tray member 300 having the outer wall members 320 and 340 surrounding the side of the battery module 210 and the partition member 330 mounted thereon.
- the cover member 100 in which the cooling flow path is integrated is positioned. Accordingly, the floor area ratio of the battery module can be increased, the efficiency and safety of the battery module mounting process can be improved, and it is easy to repair or replace the battery module by opening and closing the cover member as needed.
- the present invention provides a battery pack including the underbody, wherein the battery pack includes a battery module in the underbody for a vehicle.
- the battery pack includes a tray member including a storage unit having an open lower surface under a vehicle body frame; And a cover member covering an opened lower surface of the receiving part; It includes a vehicle underbody including a and a battery module accommodated in the storage unit.
- the cover member is provided with the flow path through which the refrigerant fluidly moves. That is, in the present invention, since the battery module is directly fastened to the vehicle body frame, the vehicle body frame and the battery module accommodated therein form one battery pack.
- the present invention provides a vehicle including the battery pack, wherein the vehicle includes a battery module accommodated in an underbody under the vehicle body and a storage unit.
- the vehicle may be a hybrid vehicle or an electric vehicle.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Secondary Cells (AREA)
- Body Structure For Vehicles (AREA)
- Inorganic Chemistry (AREA)
Abstract
Description
Claims (17)
- 차체 프레임 하부에 체결되며, 전지 모듈을 수납하되 하방면이 개방된 구조의 수납부를 포함하는 트레이 부재; 및 상기 수납부의 개방된 하방면을 덮는 커버 부재를 포함하고,상기 커버 부재는, 냉매가 유체 이동하는 유로를 포함하는 자동차용 언더 바디.
- 제 1 항에 있어서,상기 커버 부재는 판형 패널의 일면 또는 양면에 요철이 형성된 구조이며,커버 부재의 요철은 판형 패널의 표면에 유로를 따라 돌출부 또는 함입부가 형성된 형태인 자동차용 언더 바디.
- 제 2 항에 있어서,상기 돌출부 또는 함입부는 일정 간격을 두고 배열되며, 동일 평면 상에서 굴곡된 영역을 포함하는 자동차용 언더 바디.
- 제 2 항에 있어서,상기 돌출부 또는 함입부는 일정 간격을 두고 배열되며, 일방향으로 배향된 패턴화된 영역을 포함하는 자동차용 언더 바디.
- 제 1 항에 있어서,상기 커버 부재는,내부에 냉매가 유체 이동하는 유로가 형성된 냉각층; 및상기 냉각층의 하방면을 보호하는 커버층;을 포함하는 것을 특징으로 하는 자동차용 언더 바디.
- 제 5 항에 있어서,상기 커버 부재에서,상기 냉각층 및 커버층은 요철이 형성된 구조이며,상기 냉각층의 요철은, 판상형 패널의 표면에 유로를 따라 돌출부가 형성된 형태이고,상기 커버층의 요철은, 판상형 패널의 표면에 냉각층의 돌출부에 대응하도록 함입부가 형성된 형태이고,상기 냉각층 및 커버층은, 냉각층의 돌출부가 커버층의 함입부에 삽입되어 밀착되는 구조인 자동차용 언더 바디.
- 제 5 항에 있어서,상기 냉각층은 금속 소재로 형성되고, 상기 커버층은 플라스틱 소재로 형성된 것을 특징으로 하는 자동차용 언더 바디.
- 제 5 항에 있어서,상기 냉각층과 커버층 사이에 개재된 진동 방지층을 더 포함하는 자동차용 언더 바디.
- 제 1 항에 있어서,상기 커버 부재는 단일층의 판상형 패널 구조이고,상기 유로는, 판상형 패널의 일면에 형성되거나 판상형의 패널 내부에 함입된 형태인 자동차용 언더 바디.
- 제 1 항에 있어서,상기 커버 부재는, 상기 수납부의 개방된 면의 일부 또는 전부를 개폐하는 영역을 포함하는 자동차용 언더 바디.
- 제 1 항에 있어서,상기 수납부는,수납되는 전지 모듈의 측면을 둘러싸는 외벽 부재; 및상기 수납부 내부를 다수의 구획으로 분할하는 격벽 부재를 포함하며,각 분획 영역은 개별 전지 모듈이 수납되는 구조인 자동차용 언더 바디.
- 제 11 항에 있어서,상기 외벽 부재는, 평면상의 단면 구조를 기준으로, 사면이 감싸진 사각 구조를 형성하되,자동차의 전후 방향과 수직하도록 배열되는 제1 및 제2 전후 방향 외벽 부재; 및자동차의 좌우 방향과 수직하도록 배열되는 제1 및 제2 좌우 방향 외벽 부재를 포함하며,상기 제1 및 제2 좌우 방향 외벽 부재 중 어느 하나 이상은, 자동차의 전후 방향으로 위치 변동이 가능한 구조인 자동차용 언더 바디.
- 제 11 항에 있어서,상기 외벽 부재는, 평면상의 단면 구조를 기준으로, 삼면이 감싸진 구조를 형성하되,자동차의 전후 방향과 수직하도록 배열되는 제1 및 제2 전후 방향 외벽 부재; 및자동차의 좌우 방향과 수직하도록 배열되는 제1 좌우 방향 외벽 부재를 포함하며,상기 제1 좌우 방향 외벽 부재는, 자동차의 전후 방향으로 위치 변동이 가능한 구조인 자동차용 언더 바디.
- 제 13 항에 있어서,커버 부재는 절곡된 패널 형태이며, 수납부의 하방면과 개방된 일측면을 덮는 구조인 자동차용 언더바디.
- 제 1항 내지 제 14항 중 어느 한 항에 따른 자동차용 언더바디에 전지 모듈이 수납된 것을 특징으로 하는 전지팩.
- 제 15항에 따른 전지팩을 포함하는 자동차.
- 제 16항에 있어서, 상기 자동차는 하이브리드 자동차 또는 전기자동차인 것을 특징으로 하는 자동차.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20849612.5A EP3984865B1 (en) | 2019-08-07 | 2020-08-07 | Underbody for vehicle |
| EP25184967.5A EP4601082A3 (en) | 2019-08-07 | 2020-08-07 | Underbody for vehicle |
| PL20849612.5T PL3984865T3 (pl) | 2019-08-07 | 2020-08-07 | Podwozie do pojazdu |
| ES20849612T ES3049537T3 (en) | 2019-08-07 | 2020-08-07 | Underbody for vehicle |
| US17/625,285 US12286003B2 (en) | 2019-08-07 | 2020-08-07 | Battery cooling arrangement in an underbody of a vehicle |
| JP2022501321A JP7354405B2 (ja) | 2019-08-07 | 2020-08-07 | 自動車用アンダーボディ |
| CN202511137015.7A CN121084138A (zh) | 2019-08-07 | 2020-08-07 | 用于车辆的车身底部 |
| CN202080049644.3A CN114342169B (zh) | 2019-08-07 | 2020-08-07 | 用于车辆的车身底部 |
| US19/080,500 US20250206126A1 (en) | 2019-08-07 | 2025-03-14 | Battery cooling arrangement in an underbody of a vehicle |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190096006A KR102705400B1 (ko) | 2019-08-07 | 2019-08-07 | 자동차용 언더 바디 |
| KR10-2019-0096006 | 2019-08-07 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US17/625,285 A-371-Of-International US12286003B2 (en) | 2019-08-07 | 2020-08-07 | Battery cooling arrangement in an underbody of a vehicle |
| US19/080,500 Continuation US20250206126A1 (en) | 2019-08-07 | 2025-03-14 | Battery cooling arrangement in an underbody of a vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2021025525A1 true WO2021025525A1 (ko) | 2021-02-11 |
Family
ID=74502751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2020/010485 Ceased WO2021025525A1 (ko) | 2019-08-07 | 2020-08-07 | 자동차용 언더 바디 |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US12286003B2 (ko) |
| EP (2) | EP3984865B1 (ko) |
| JP (1) | JP7354405B2 (ko) |
| KR (2) | KR102705400B1 (ko) |
| CN (2) | CN121084138A (ko) |
| ES (1) | ES3049537T3 (ko) |
| PL (1) | PL3984865T3 (ko) |
| WO (1) | WO2021025525A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023020402A1 (zh) * | 2021-08-17 | 2023-02-23 | 蜂巢能源科技股份有限公司 | 车身地板总成和具有其的车辆 |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019123844A1 (de) * | 2019-09-05 | 2021-03-11 | Bayerische Motoren Werke Aktiengesellschaft | Fahrzeugboden für eine Energiespeicher-Bodengruppe eines Kraftwagens |
| US12017501B2 (en) * | 2019-11-18 | 2024-06-25 | Bollinger Motors, Inc. | Electric automotive vehicle |
| JP7501335B2 (ja) * | 2020-12-07 | 2024-06-18 | トヨタ自動車株式会社 | 車両下部構造 |
| EP4166428B1 (en) * | 2021-02-19 | 2026-04-01 | LG Energy Solution, Ltd. | Electric vehicle underbody having water tank |
| KR102892943B1 (ko) | 2021-03-22 | 2025-11-27 | 주식회사 엘지에너지솔루션 | 전지 모듈 및 이를 포함하는 전지팩 |
| KR102895043B1 (ko) * | 2021-08-25 | 2025-12-02 | 주식회사 엘지에너지솔루션 | 연결 와이어 및 이를 포함하는 전지팩 |
| CN218228623U (zh) * | 2022-09-30 | 2023-01-06 | 比亚迪股份有限公司 | 车辆 |
| EP4475282A4 (en) * | 2022-12-01 | 2026-03-04 | Lg Energy Solution Ltd | BATTERY PACK |
| EP4611127A4 (en) * | 2022-12-02 | 2025-12-31 | Lg Energy Solution Ltd | BATTERY BLOCK AND ITS MANUFACTURING PROCESS |
| JP7564273B1 (ja) | 2023-03-24 | 2024-10-08 | 本田技研工業株式会社 | バッテリケース及びその製造方法 |
| WO2024221232A1 (zh) * | 2023-04-25 | 2024-10-31 | 宁德时代(上海)智能科技有限公司 | 底盘组件及车辆 |
| EP4566117A4 (en) * | 2023-06-27 | 2026-03-04 | Lg Energy Solution Ltd | BATTERY CELL ARRANGEMENT AND BATTERY PACK SO THAT |
| US20250007028A1 (en) * | 2023-06-27 | 2025-01-02 | Lg Energy Solution, Ltd. | Battery cell assembly and battery pack including the same |
| CN222463041U (zh) * | 2023-11-28 | 2025-02-11 | 比亚迪股份有限公司 | 阀组件、调温装置、电池托盘、电池包及用电设备 |
| WO2025220412A1 (ja) * | 2024-04-16 | 2025-10-23 | 株式会社アイシン | 保護構造 |
| CN221315772U (zh) * | 2024-04-23 | 2024-07-12 | 宁德时代新能源科技股份有限公司 | 车身和车辆 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120018238A1 (en) * | 2009-05-26 | 2012-01-26 | Nissan Motor Co., Ltd. | Vehicle battery cooling structure |
| KR20120012648A (ko) * | 2010-08-02 | 2012-02-10 | (주)브이이엔에스 | 전기자동차 |
| KR101565980B1 (ko) | 2014-05-14 | 2015-11-05 | 주식회사 신영 | 전기 자동차용 플로워 패널 조립체 |
| KR20170033070A (ko) * | 2015-09-16 | 2017-03-24 | 현대모비스 주식회사 | 냉각용 유로공을 갖는 고전압 배터리 서브모듈 |
| US20190044203A1 (en) * | 2017-08-07 | 2019-02-07 | Ford Global Technologies, Llc | Battery enclosure having a composite structure with a coolant channel |
| KR20190029954A (ko) | 2017-09-13 | 2019-03-21 | 현대자동차주식회사 | 전기자동차용 언더바디 |
| KR20190084523A (ko) * | 2018-01-08 | 2019-07-17 | 현대자동차주식회사 | 측방 차체 보강구조 |
| KR20190096006A (ko) | 2018-02-08 | 2019-08-19 | (주)한국알앤드디 | 적재함용 복합소재 보강부재 및 이를 구비하는 차량 |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100568134B1 (ko) | 2003-10-16 | 2006-04-05 | 현대모비스 주식회사 | 차량의 개방형 언더커버 |
| KR20100135039A (ko) | 2009-06-16 | 2010-12-24 | 현대로템 주식회사 | 철도차량의 하부 구조물 설치구조 |
| JP5321836B2 (ja) * | 2009-12-07 | 2013-10-23 | 三菱自動車工業株式会社 | 電池パックの冷却構造 |
| JP5505667B2 (ja) | 2011-09-30 | 2014-05-28 | Toto株式会社 | 交流駆動静電チャック |
| JP5277362B1 (ja) * | 2011-12-09 | 2013-08-28 | 本田技研工業株式会社 | バッテリパックの車載構造 |
| JP6290522B2 (ja) | 2012-03-01 | 2018-03-07 | トヨタ自動車株式会社 | 燃料電池ユニット及び燃料電池車両 |
| KR101478701B1 (ko) | 2012-03-26 | 2015-01-02 | 주식회사 엘지화학 | 용접 결합부 및 체결 만입부를 포함하는 결속 부재 및 이를 포함하는 전지모듈 어셈블리 |
| JP2014157756A (ja) | 2013-02-18 | 2014-08-28 | Nissan Motor Co Ltd | バッテリユニット |
| JP6337603B2 (ja) | 2014-05-13 | 2018-06-06 | 三菱自動車工業株式会社 | 電池パック |
| DE102014110307A1 (de) * | 2014-07-22 | 2016-01-28 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Unterbodeneinheit für ein Kraftfahrzeug |
| GB2541203B (en) * | 2015-08-11 | 2019-02-06 | Jaguar Land Rover Ltd | Apparatus for supporting a battery with integrated cooling channels |
| CN108293310B (zh) | 2015-12-02 | 2020-07-03 | 日本精工株式会社 | 安装有电子元器件的基板以及用来容纳该基板的外壳的结构 |
| US11312219B2 (en) * | 2017-01-05 | 2022-04-26 | Samsung Sdi Co., Ltd. | Chassis components, vehicle battery system integrally formed with chassis components, and integrated battery system vehicle comprising same |
| HRP20221219T1 (hr) * | 2017-02-17 | 2022-12-23 | Mubea Carbo Tech Gmbh | Struktura baterije i zaštitni uređaj |
| DE102017202768A1 (de) * | 2017-02-21 | 2018-08-23 | Audi Ag | Energiespeicheranordnung und Kraftfahrzeug |
| WO2018218404A1 (zh) | 2017-05-27 | 2018-12-06 | 深圳市乃斯网络科技有限公司 | 智能交通拥堵播放方法及系统 |
| JP6469768B2 (ja) | 2017-07-06 | 2019-02-13 | 日立オートモティブシステムズ株式会社 | 電池モジュール |
| JP6541724B2 (ja) | 2017-07-10 | 2019-07-10 | 株式会社Subaru | 自動車車両 |
| US11142058B2 (en) * | 2017-07-26 | 2021-10-12 | Autotech Engineering S.L. | Battery box floor for electric vehicles and corresponding vehicle body |
| JP6489194B1 (ja) | 2017-11-13 | 2019-03-27 | マツダ株式会社 | 電気車両のバッテリ搭載構造 |
| JP6515980B1 (ja) | 2017-11-13 | 2019-05-22 | マツダ株式会社 | 電気車両のバッテリ搭載構造 |
| JP6555550B2 (ja) | 2017-11-13 | 2019-08-07 | マツダ株式会社 | 電気車両のバッテリ搭載構造 |
| JP6555549B2 (ja) | 2017-11-13 | 2019-08-07 | マツダ株式会社 | 電気車両の車体構造 |
| DE102017128529B4 (de) * | 2017-12-01 | 2023-03-23 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Kraftfahrzeugbatterie |
| KR102872962B1 (ko) * | 2019-05-16 | 2025-10-20 | 현대자동차주식회사 | 차량용 배터리 냉각 시스템 |
-
2019
- 2019-08-07 KR KR1020190096006A patent/KR102705400B1/ko active Active
-
2020
- 2020-08-07 EP EP20849612.5A patent/EP3984865B1/en active Active
- 2020-08-07 ES ES20849612T patent/ES3049537T3/es active Active
- 2020-08-07 JP JP2022501321A patent/JP7354405B2/ja active Active
- 2020-08-07 EP EP25184967.5A patent/EP4601082A3/en active Pending
- 2020-08-07 CN CN202511137015.7A patent/CN121084138A/zh active Pending
- 2020-08-07 WO PCT/KR2020/010485 patent/WO2021025525A1/ko not_active Ceased
- 2020-08-07 PL PL20849612.5T patent/PL3984865T3/pl unknown
- 2020-08-07 US US17/625,285 patent/US12286003B2/en active Active
- 2020-08-07 CN CN202080049644.3A patent/CN114342169B/zh active Active
-
2024
- 2024-09-04 KR KR1020240120362A patent/KR102835262B1/ko active Active
-
2025
- 2025-03-14 US US19/080,500 patent/US20250206126A1/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120018238A1 (en) * | 2009-05-26 | 2012-01-26 | Nissan Motor Co., Ltd. | Vehicle battery cooling structure |
| KR20120012648A (ko) * | 2010-08-02 | 2012-02-10 | (주)브이이엔에스 | 전기자동차 |
| KR101565980B1 (ko) | 2014-05-14 | 2015-11-05 | 주식회사 신영 | 전기 자동차용 플로워 패널 조립체 |
| KR20170033070A (ko) * | 2015-09-16 | 2017-03-24 | 현대모비스 주식회사 | 냉각용 유로공을 갖는 고전압 배터리 서브모듈 |
| US20190044203A1 (en) * | 2017-08-07 | 2019-02-07 | Ford Global Technologies, Llc | Battery enclosure having a composite structure with a coolant channel |
| KR20190029954A (ko) | 2017-09-13 | 2019-03-21 | 현대자동차주식회사 | 전기자동차용 언더바디 |
| KR20190084523A (ko) * | 2018-01-08 | 2019-07-17 | 현대자동차주식회사 | 측방 차체 보강구조 |
| KR20190096006A (ko) | 2018-02-08 | 2019-08-19 | (주)한국알앤드디 | 적재함용 복합소재 보강부재 및 이를 구비하는 차량 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023020402A1 (zh) * | 2021-08-17 | 2023-02-23 | 蜂巢能源科技股份有限公司 | 车身地板总成和具有其的车辆 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7354405B2 (ja) | 2023-10-02 |
| EP3984865A1 (en) | 2022-04-20 |
| CN114342169A (zh) | 2022-04-12 |
| EP3984865A4 (en) | 2022-08-17 |
| JP2022540234A (ja) | 2022-09-14 |
| US20250206126A1 (en) | 2025-06-26 |
| CN114342169B (zh) | 2025-09-05 |
| KR102835262B1 (ko) | 2025-07-16 |
| KR102705400B1 (ko) | 2024-09-12 |
| KR20210017172A (ko) | 2021-02-17 |
| US12286003B2 (en) | 2025-04-29 |
| PL3984865T3 (pl) | 2026-02-02 |
| KR20240137523A (ko) | 2024-09-20 |
| EP4601082A3 (en) | 2025-11-12 |
| EP4601082A2 (en) | 2025-08-13 |
| EP3984865B1 (en) | 2025-10-01 |
| ES3049537T3 (en) | 2025-12-17 |
| US20220314772A1 (en) | 2022-10-06 |
| CN121084138A (zh) | 2025-12-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021071071A1 (ko) | 배터리 팩 및 이를 포함하는 자동차 | |
| US12286003B2 (en) | Battery cooling arrangement in an underbody of a vehicle | |
| WO2021221353A1 (ko) | 냉각 유로 구조의 효율화 및 안정성을 향상시킨 배터리 팩 및 이를 포함하는 자동차 | |
| WO2021025469A1 (ko) | 배터리 모듈과 강성 빔을 통합하고 역방향 조립 방식을 채용한 배터리 팩 | |
| WO2018009003A1 (en) | Battery module carrier, battery module, and vehicle with a battery system | |
| WO2019177275A1 (ko) | 배터리 모듈, 이러한 배터리 모듈을 포함하는 배터리 팩 및 이러한 배터리 팩을 포함하는 자동차 | |
| WO2022149965A1 (ko) | 배터리 팩 및 이를 포함하는 자동차 | |
| WO2019107717A1 (ko) | 방열 플레이트를 구비한 배터리 모듈 | |
| WO2019221376A1 (ko) | 일체형 냉매 회로 부재를 갖는 프레임 프로파일을 포함한 전지 팩 | |
| WO2018186616A1 (ko) | 크래쉬 빔과 배수 구조를 갖는 배터리 팩 | |
| WO2021256878A1 (ko) | 배터리 모듈, 이를 포함하는 배터리 팩, 자동차, 및 배터리 팩을 제조하는 방법 | |
| WO2017188560A1 (ko) | 배터리 팩 및 이러한 배터리 팩을 포함하는 자동차 | |
| KR20130043209A (ko) | 축전장치 및 차량 | |
| WO2011065675A2 (ko) | 배터리 | |
| WO2022019624A1 (ko) | 배터리 팩 및 이를 포함하는 자동차 | |
| WO2022065650A1 (ko) | 전지 모듈, 전지팩 및 이를 포함하는 자동차 | |
| WO2021206514A1 (ko) | 전지 모듈 및 이를 포함하는 전지팩 | |
| WO2021206383A1 (ko) | 전지팩 및 이를 포함하는 디바이스 | |
| WO2021221340A1 (ko) | 전지팩 및 이를 포함하는 디바이스 | |
| WO2021002710A1 (ko) | 접속 플레이트를 구비한 배터리 팩 및 전자 디바이스 및 자동차 | |
| WO2022234943A1 (ko) | 전지팩 및 이를 포함하는 디바이스 | |
| WO2021221310A1 (ko) | 전지 모듈 및 이를 포함하는 전지 팩 | |
| WO2024019400A1 (ko) | 배터리 팩 및 이를 포함하는 자동차 | |
| WO2024019427A1 (ko) | 셀 어셈블리와 이를 포함하는 배터리 팩 및 자동차 | |
| WO2025037908A1 (ko) | 배터리 셀 어셈블리 및 이를 포함하는 배터리 팩 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 20849612 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2022501321 Country of ref document: JP Kind code of ref document: A |
|
| ENP | Entry into the national phase |
Ref document number: 2020849612 Country of ref document: EP Effective date: 20220114 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWG | Wipo information: grant in national office |
Ref document number: 17625285 Country of ref document: US |
|
| WWG | Wipo information: grant in national office |
Ref document number: 202080049644.3 Country of ref document: CN |
|
| WWG | Wipo information: grant in national office |
Ref document number: 2020849612 Country of ref document: EP |