WO2023072807A1 - Véhicule équipé d'une unité d'accumulation d'énergie électrique - Google Patents

Véhicule équipé d'une unité d'accumulation d'énergie électrique Download PDF

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Publication number
WO2023072807A1
WO2023072807A1 PCT/EP2022/079540 EP2022079540W WO2023072807A1 WO 2023072807 A1 WO2023072807 A1 WO 2023072807A1 EP 2022079540 W EP2022079540 W EP 2022079540W WO 2023072807 A1 WO2023072807 A1 WO 2023072807A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
storage unit
energy storage
electrical energy
cover element
Prior art date
Application number
PCT/EP2022/079540
Other languages
German (de)
English (en)
Inventor
Hubert Kazmaier
Jan Zickwert
Jürgen REINHARDT
Thomas Neff
Jochen Bisinger
Jan Rath
Jan Helber
Original Assignee
Mercedes-Benz Group AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mercedes-Benz Group AG filed Critical Mercedes-Benz Group AG
Publication of WO2023072807A1 publication Critical patent/WO2023072807A1/fr

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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
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0007—Measures or means for preventing or attenuating collisions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • 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
    • 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
    • B60K2001/0422—Arrangement under the front seats
    • 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
    • B60K2001/0433—Arrangement under the rear seats
    • 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
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/01—Reducing damages in case of crash, e.g. by improving battery protection
    • 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
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the invention relates to a vehicle with an electrical energy storage unit arranged in the area of a vehicle floor according to the preamble of claim 1.
  • the side impact system has a battery pack housing that includes a plurality of cross members that traverse the battery pack housing and absorb and distribute at least a portion of a received load during a side impact of the vehicle.
  • the battery pack housing is positioned between the front and rear vehicle suspension assemblies and is mounted between and mechanically coupled to vehicle structural members located on either side of the vehicle.
  • the cross members divide the batteries contained within the battery pack housing into battery groups.
  • a body floor structure of a vehicle is also known from US Pat. No. 10,464,406 B2.
  • the body floor structure includes a battery pack arranged under a floor panel, a side sill extending outward in a vehicle front-rear direction in a vehicle width direction, and a battery side frame.
  • the battery side frame has a lower surface positioned outward in the vehicle width direction and positioned lower than a support portion for the battery pack, the support portion being formed inside in the vehicle width direction of the battery side frame.
  • the invention is based on the object of creating a vehicle of the type discussed here, in which only a low overall weight can be realized with a large energy storage unit at the same time.
  • the vehicle is characterized in particular by the fact that a cover element forms at least one section of a passenger compartment floor of the vehicle. According to an advantageous development of the invention, this cover element can be designed specifically for the vehicle. A number of seat cross members and/or a center tunnel are integrated into the cover element and/or arranged on the cover element.
  • a box is arranged and/or formed on and/or on the cover element, which box contains a plurality of high-voltage electrical/electronic components.
  • Such an integration of the electrical energy storage unit into the vehicle allows an optimized power flow along longitudinal members and the seat cross member to be realized in the event of a collision of the vehicle.
  • the housing represents a partially load-bearing component, but the battery modules of the electrical energy storage unit are essentially not loaded in the event of a collision.
  • a so-called main vehicle floor is omitted when the bodyshell is produced, since this is formed by the cover element of the electrical energy storage unit.
  • the vehicle weight can be reduced by a lightweight construction thus formed, as a result of which a specific energy density of a system of the electrical energy storage unit can be increased. Lightweight construction potentials are therefore used in relation to the shell and in relation to the electrical energy storage unit, ie its support frame.
  • Voltage measuring sensors, temperature sensors and/or gas sensors for detecting gas escaping from the individual cells can be integrated into the side members and/or the seat cross members, so that a state of the electrical energy storage unit can be continuously monitored.
  • a cooling function for the electrical energy storage unit can be integrated into the cover element, which is designed in a so-called sandwich construction.
  • the floor element that closes the supporting frame downwards towards the roadway can be provided with such a cooling function.
  • Such a structure of the vehicle can result in cost savings through blocking within a series and across several series, for example for limousines, SUVs, etc.
  • FIG. 2 schematically shows an enlarged section of a sectional view of the electrical energy storage unit integrated in the vehicle in the area of a side sill
  • FIG. 3 shows a perspective view of the energy storage unit according to FIGS. 1 and 2 in a partially exploded view.
  • Fig. 1 shows a schematic perspective view of a structure 3 of a vehicle 1, also referred to as a shell or body, in particular of a motor vehicle designed as a passenger car, and an energy storage unit 5, which is brought up to it from the underside of the vehicle and inserted into an opening 7 in the structure 3 .
  • a vehicle also referred to as a shell or body, in particular of a motor vehicle designed as a passenger car, and an energy storage unit 5, which is brought up to it from the underside of the vehicle and inserted into an opening 7 in the structure 3 .
  • the vehicle 1 is, for example, an electric vehicle with an electric drive unit, by means of which the electric vehicle is driven.
  • the drive unit is supplied with energy by means of the electrical energy storage unit 5 .
  • a range of an electric vehicle 1, which can be achieved by means of electrical energy stored in the electrical energy storage unit 5, is essentially determined by efficiency and the consumption of electrical energy based on the distance traveled, for example kWh/100 km and a predetermined usable capacity electrical energy storage unit 5 determined. For this reason, in particular in a comparatively large and heavy motor vehicle, for example an SUV (sports utility vehicle), the aim is to install an electrical energy storage unit 5 with the highest possible capacity in the vehicle 1 .
  • SUV sports utility vehicle
  • various installation spaces are known for arranging an electrical energy storage unit, for example on a vehicle underbody, in the transmission tunnel, under a rear seat bench or in the trunk, in particular a spare wheel recess.
  • a solution is described below, which optimizes a usable installation space for arranging the electrical energy storage unit 5 in the vehicle 1, so that a relatively high electrical range can be achieved using the electrical energy made available in the electrical energy storage unit 5 while complying with safety requirements, in particular for side impact protection , and also the lowest possible total weight of the vehicle, is possible in a cost-effective manner.
  • the structure 3 of the exemplary embodiment of the vehicle 1 according to the invention shown in FIG. 1 is preferably designed as a self-supporting body.
  • body pillars 9, so-called A pillars, body pillars 11, so-called B pillars, body pillars 13, so-called C pillars, a roof element 14 and side skirts 15, also referred to as outer longitudinal members, can be seen.
  • the opening 7 is made in the transverse direction of the vehicle (y-direction) by the side skirts 15 and in the longitudinal direction of the vehicle by corresponding body parts, for example a front bulkhead 17 or a front cross member that connects the side skirts 15 to one another in the transverse direction of the vehicle, and a rear end wall 19 or a rear one that Side skirts 15 interconnecting cross members, limited.
  • the opening 7 is therefore located in the area, i.e. in the footwell, of a passenger compartment 21, also referred to as a passenger compartment, and in this exemplary embodiment is completely free of additional longitudinal members and cross members, which connect the end wall 17 and the end wall 19 or the side skirts 15 to one another. It can be seen particularly well from a combination of FIGS.
  • the rectangular support frame 23 which is closed on the circumference, comprises lateral longitudinal support elements 25 which are arranged at a distance from one another in the transverse direction of the vehicle and which have front and rear transverse support elements 27 which are at a distance from one another in the longitudinal direction of the vehicle and of which only the front transverse support element 27 can be seen in the representation according to Figure 3 , are connected to each other.
  • the side skirts 15 are designed in multiple parts and each have an inner or inner longitudinal support element 25, which is designed in particular in the form of a shell or as an extruded profile, and which at the same time forms part of the support frame 23 of the energy storage unit 5. and an outer or external longitudinal member element 35.
  • These outer longitudinal member elements 35 can be part of a side wall 37 of the vehicle body/structure 3 and, when the energy storage unit 5 is inserted into the body opening 7, are connected to the longitudinal member elements 25 that form part of the support frame 25, for example by means of mechanical connecting means 39, one of which can be seen in FIG. 2, and/or by means of a material connection and/or positive connection.
  • a component of the energy storage unit 5 has a dual function, namely the longitudinal support elements 25, which form both part of the support frame 23 of the energy storage unit and part of the body shell, namely the side skirts.
  • the energy storage unit 5 comprises a plurality of storage modules electrically connected to one another, which are preferably arranged and fastened in a non-destructively detachable manner on the supporting frame 23 or in at least one receiving space within the supporting frame 23 .
  • Such electrical storage modules are known, so that they are not discussed in detail here.
  • This base element 29 is also referred to as the lower cover.
  • the base element 27 is non-destructively held on the support frame 23 by means of suitable fasteners, for example screws or screw elements, such that it can be detached from the support frame 23 and removed even when the energy storage unit 5 is installed in the vehicle 1 . Access to the memory modules for maintenance purposes or replacement is thus made possible in a simple manner.
  • the energy storage unit 5 or its supporting frame 23 and the receiving space accommodating the storage modules are closed at the top by means of a plate-shaped cover element 33, preferably in a liquid-tight manner.
  • This cover element 33 also referred to as the upper cover, forms the main floor of the vehicle body when the energy storage unit 7 is inserted into the structure 3 from below in its opening 7, which prevents liquid and moisture from penetrating the interior of the vehicle when the motor vehicle is in the finished state.
  • the cover element 33 therefore also has a dual function, namely closure elements of the energy storage unit and at the same time the main floor of the body.
  • the flat, in particular tabular, preferably inherently rigid cover element 33 can be designed in one piece or in multiple pieces.
  • the electrical energy storage unit 5 is integrated into the vehicle body in such a way that it takes over or supports these functions of the vehicle body 3 .
  • the body 3 can thus be realized with a lower weight and/or a particularly large energy storage unit can be integrated into the vehicle 1 .
  • the electrical energy storage unit 5 is assembled in particular in its manufacturing plant, i.e. independently of the body 3 of the vehicle 1. Its underside or the floor element 29 fulfills the function of an underbody of the vehicle when the energy storage unit 5 is installed in the vehicle 1, ie the part of the vehicle which faces a roadway.
  • the battery modules are inserted into the support frame 23 .
  • the cover element 33 is then placed on the module with the support frame 23 as the passenger compartment floor.
  • the receiving space of the support frame 23 is then closed by means of the lower cover (bottom element 29) or beforehand. Subsequently, the electric Energy storage unit 5 with its electrics and electronics connected accordingly, for example, to carry out further assembly processes in production.
  • the electrical energy storage unit 5 with its support frame 23 thus forms the underbody of the vehicle 1, with the vehicle shell initially having no underbody after its manufacture.
  • the underbody formed by means of the electrical energy storage unit 5 is fastened to the shell during assembly of the vehicle 1 or is formed only when the energy storage unit 5 is assembled.
  • the underbody, which is formed by means of the electrical energy storage unit 5, is therefore integrated into the shell during assembly and is therefore an assembly component.
  • the electrical energy storage unit 5 is additionally provided with seat cross members 41 , preferably all seat cross members, a center tunnel 43 and console elements 45 .
  • the seat cross member 41, the center tunnel 43 and the console elements 45 are placed on the cover element 33 forming the main floor and fastened thereto.
  • one or more of these components is also formed in one piece with the cover element 33 .
  • the seat cross members 41 are connected to the structure 3 of the vehicle 1, for example screwed, which improves the stability of the vehicle body.
  • a box 47 is arranged and/or formed on and/or on the cover element 33, in which a plurality of high-voltage electrical/electronic components are arranged. Specifically, the box 47 is joined to the lid member 33 for assembly.
  • the electrical energy storage unit 5 as a battery system also has a lower cooling plate (not shown in detail), busbars, a cooling line, an upper cooling plate, busbars for contacting and control lines, a battery management system, a high-voltage protective cover, insulation and the lower housing cover (floor elements 29). , which is bolted to the side skirts 15 for comparatively easy service and assembly.
  • one half of the respective side sill 15 is integrated into the supporting frame 23 and in particular forms the housing frame.
  • Another half of the side sill is arranged on the outside of the side wall 37 of the body of the vehicle 1 .
  • the two halves of the respective side sill 15 are together screwed and/or attached to one another by means of another suitable connection technique.
  • the cover element 33 of the electrical energy storage unit 5 is vehicle-specific, since different vehicle classes have different underbody structures.
  • the supporting frame 23 and possibly also the base element 29 can be used across model series and only the cover element 33 is adapted differently or correspondingly for each vehicle type.
  • the body 3 can be built up as usual in its production and go through a specific coating process, with a rear seat cross member, ie for attaching rear seats, remaining on the body 3 itself for reinforcement, ie it can be provided.
  • the vehicle body 3 with its electric drive train and the electric energy storage unit 5 only meets rigidity, strength and so-called crash requirements in the assembled state.
  • battery modules or individual cells of the electrical energy storage unit 5 are only mounted in a structure that serves as high-voltage protection, with no load paths being routed along this structure within a vehicle structure in the event of a collision of the vehicle 1 .
  • the installation space for arranging the electrical energy storage unit 5 is used in an improved manner, since there are no stiffening structures in the installation space.
  • the module of the electrical energy storage unit 5 is integrated into a vehicle underbody structure, the respective side sill 15 with its two halves, which are designed as profiles, being used to separate the electrical energy storage unit 5 and the body 3 .
  • the proposed solution describes a lightweight integration of an electrical energy storage unit 5 in a body 3 of a vehicle 1.
  • the load on the supporting frame 23 of the energy storage unit is comparatively low, since the load paths run along the shell around the electrical energy storage device.
  • the electrical energy storage unit 5 with its interconnected individual cells is delivered finished or pre-assembled to the assembly line on which the energy storage unit 5 is attached to the structure 3 . This largely rules out the need for high-voltage work to be carried out on the assembly line.
  • the individual cells are connected to form a large module and are highly integrated, with space in the supporting frame 23 being optimally utilized.
  • space in the supporting frame 23 being optimally utilized.
  • the cover element 33 thus forms the main floor of the vehicle, with the box 47 and low-voltage electrical/electronic components being arranged on the cover element 33 of the electrical energy storage unit 5 above the individual cells.
  • the components of the low-voltage electrics/electronics are arranged in the so-called tunnel of the vehicle 1 .
  • the body structure 3 is stabilized by means of temporary, removable stiffening structures before the integration of the electrical energy storage unit 5 into the structure 3 to such an extent that the structure 3 can undergo cathodic dip painting and other anti-corrosion measures and painting.
  • the structure 3 is designed for optimal rigidity and strength with an integrated electrical energy storage unit 5 and joined side walls.
  • the temporary stiffening structures are exchanged before the electrical energy storage unit 5 is assembled.
  • the assembly of the electrical energy storage unit 5 and the connection of the seat cross member 41 and the support frame 23 to the body 3 via the halves of the side skirts 15 gives the body its final stability and rigidity.
  • the interior of the support frame 23 is sealed off by means of the cover element 33 and the lower base element 29 , the electrical energy storage unit 5 being delivered to the assembly line ready for operation. Electrical contact is made with the respective electric drive train on the assembly line.
  • a cooling function and a media guide required for this are integrated into the cover element 33, which is designed, for example, in a honeycomb sandwich structure.
  • the structure 3 has a split side sill 15, one half of which is formed by structures on the support frame 23, for example venting channels, and the other half is formed by structures of the side wall 37 of the structure 3.
  • the side sill 15 is finally created by joining the side wall to the support frame 23 after the electrical energy storage unit 5 has been introduced into the body 3 and integrated.
  • Venting channels for discharging hot gases in the event of a so-called thermal runaway of individual cells of the electrical energy storage unit 5 are integrated in the side sills 15 .
  • the side skirt 15 forms a load path for longitudinal forces, in particular in the event of a frontal collision of the vehicle 1.
  • the side skirt 15 supports transverse forces and represents a deformation zone, in particular in the event of a side collision of the vehicle 1.
  • Sensors can also be integrated into the side skirt 15, for example in the form of strain gauges, in order to measure a mechanical stress on the side sill 15 and optionally on the electrical energy storage unit 5 . Measured data can be stored in a control device so that it can be detected whether the electrical energy storage unit 5 was damaged or mechanically stressed after a collision of the vehicle 1.
  • Such sensors can also be integrated into the seat cross member 41 .
  • Sensors for example temperature sensors and/or gas sensors, can also be integrated into the side sill 15 in order to detect a thermal runaway event and initiate safety measures.
  • the electrical energy storage unit 5 If the electrical energy storage unit 5 is to be repaired, the other outer half of the side sill 35, which forms an integral part of the body 3, and the seat cross member 41 remain on the vehicle 1.
  • the lower housing cover (bottom elements 29) is opened, and cooling lines can be decoupled via so-called quick-release couplings.
  • Plug connectors for power and/or control scopes of the electrical energy storage unit 5 are unlocked from the interior of the vehicle 1, where the electrics/electronics are arranged and resolved. The connectors are accessed via so-called service openings. Once this has been done, the electrical energy storage unit 5 or a so-called battery pack, for example the large module, can be removed from the support frame 23 from below.
  • Such a battery pack has a comparatively thin-walled inner housing, which is closed due to high-voltage security. After removal, the battery pack is stowed in a stiffening and insulating transport case and can thus be safely transported to a repair center.
  • a customer immediately receives a replacement battery, so that the downtime of the vehicle 1, in particular with a weakened shell structure, can be reduced.
  • an underbody variant is conceivable which allows an internal combustion engine drive to be integrated into the body 3 .
  • the large module of the electrical energy storage unit 5 with the inner half 25 of the respective side sill 15 is the same within one architecture for all derivatives, with a cost saving resulting from the fact that the same sill profile, i.e. the inner half 25 of the side sill 15, across all series, for example sedan , SUV, is used. This means that essentially only the cover element 33 and the outer side sill element 37 have to be adjusted.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

L'invention concerne un véhicule (1) comprenant une unité d'accumulation d'énergie électrique (5) qui présente un cadre-support (23) et qui est disposée au niveau d'un plancher du véhicule. Le véhicule est caractérisé en ce que l'unité d'accumulation d'énergie électrique (5) forme au moins en partie un dessous de caisse du véhicule (1), en ce qu'un élément de couvercle (33) de l'unité d'accumulation d'énergie électrique (5) forme au moins une partie d'un plancher de l'habitacle du véhicule (1) et en ce qu'un certain nombre de traverses de sièges (4) et/ou un tunnel central (5) sont intégrés dans l'élément de couvercle (33) et/ou sont disposés sur l'élément de couvercle (33).
PCT/EP2022/079540 2021-10-29 2022-10-24 Véhicule équipé d'une unité d'accumulation d'énergie électrique WO2023072807A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021005378.8 2021-10-29
DE102021005378.8A DE102021005378A1 (de) 2021-10-29 2021-10-29 Fahrzeug mit einem elektrischen Energiespeicher

Publications (1)

Publication Number Publication Date
WO2023072807A1 true WO2023072807A1 (fr) 2023-05-04

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ID=78718963

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/EP2022/076888 WO2023072514A1 (fr) 2021-10-29 2022-09-28 Véhicule doté d'un dispositif de stockage d'énergie électrique
PCT/EP2022/079540 WO2023072807A1 (fr) 2021-10-29 2022-10-24 Véhicule équipé d'une unité d'accumulation d'énergie électrique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/EP2022/076888 WO2023072514A1 (fr) 2021-10-29 2022-09-28 Véhicule doté d'un dispositif de stockage d'énergie électrique

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Country Link
DE (1) DE102021005378A1 (fr)
WO (2) WO2023072514A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114435102A (zh) * 2022-01-21 2022-05-06 重庆长安新能源汽车科技有限公司 一种底盘总成及新能源汽车
DE102022128684A1 (de) 2022-10-28 2024-05-08 Phänomen Robur Beteiligungs UG (haftungsbeschränkt) Kontroll- und Batteriesystem für ein Elektrofahrzeug

Citations (5)

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EP2468609A2 (fr) 2010-12-22 2012-06-27 Tesla Motors, Inc. Système d'absorption et de répartition d'un impact latéral utilisant un bloc-batterie intégré
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