EP3931016A1 - Plate for adapting a battery to a support member - Google Patents
Plate for adapting a battery to a support memberInfo
- Publication number
- EP3931016A1 EP3931016A1 EP19848810.8A EP19848810A EP3931016A1 EP 3931016 A1 EP3931016 A1 EP 3931016A1 EP 19848810 A EP19848810 A EP 19848810A EP 3931016 A1 EP3931016 A1 EP 3931016A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plate
- battery
- upper face
- face
- electrical connection
- 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.)
- Withdrawn
Links
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
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/04—Arrangement of batteries
-
- 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
- B60K2001/0438—Arrangement under the floor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2410/00—Constructional features of vehicle sub-units
- B60Y2410/115—Electric wiring; Electric connectors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a plate for adapting a battery to a support member comprising an upper face for receiving the battery and a lower face intended to be applied against a support member, as well as an assembly of such a turntable and a battery supported by the turntable.
- the present application finds a preferred but nonlimiting application for the positioning of a traction battery in a hybrid or electric vehicle for the electric power supply of an electric motor, in particular for the traction of the vehicle.
- Such a traction battery can be placed inside the motor vehicle on the floor of the passenger compartment of the vehicle, in particular under the driver's seat or between the driver's seat and the passenger's seat directly located behind the driver's seat.
- This traction battery can be an auxiliary battery, in which case a main traction battery is present in the motor vehicle or it can be the main battery.
- Such a battery advantageously a battery of 48 volts or more of the Ni-MH or Li-Ion type, is connected, directly or indirectly via another battery, to an inverter by a bundle of electric cables making it possible to supply power.
- the electric motor in three-phase voltage from the continuous voltage of the electric heater.
- the standards in force or to come governing motor vehicles require a reduction in C02 emissions.
- a traction battery makes it possible, because of its electrical supply to a traction motor, to lower the emission of C02 and therefore to comply with the regulations in force in this area.
- EP-B-2 868 505 describes an electric motor vehicle which is equipped with a battery, an electrical component unit, an electrical power harness which is connected to the component unit electric then to the battery and an electric motor which is driven by the electric energy supplied by the battery.
- the electrical component unit is installed on the top of a floor panel and the battery is installed under the floor panel.
- the traction battery should be cooled during use, which gives off heat. This requires the presence of a bulky cooling circuit in a necessarily small space under the floor.
- connection of the battery with the harness of electric cables or with a source of electric recharging of the battery when the recharging is not done by induction must be easy to install, which is particularly difficult due to the positioning. battery in the floor in an inaccessible position.
- the problem underlying the invention is to overcome the aforementioned drawbacks for positioning a battery on a support member without specific adaptation of the battery or of the support member.
- the present invention relates to a plate for adapting a battery to a support member comprising an upper face for receiving the battery and a lower face, remarkable in that the upper face comprises electrical connection means, a cavity for receiving a cooling plate circulating a heat transfer fluid and means for clamping and maintaining the battery and the lower face comprises an electronic power base connected to the electrical connection means connected to an outside of the adapter plate and inlet and outlet fittings for the heat transfer fluid in the cooling plate.
- the technical contribution of the present invention consisted in developing an adapter plate between a support member and an existing battery with passive cooling, for example but not limited to a passenger compartment floor of a motor vehicle, without requiring any modifications. shape of the battery and the support member.
- the adapter plate according to the present invention performs a triple function.
- this adapter plate allows effective retention of the battery relative to the support member as well as easy positioning of the battery on the support member, the adapter plate being specifically designed to match, d 'on the one hand, to the type of battery that the plate supports and, on the other hand, to the support member.
- the adapter plate allows efficient cooling of the battery by circulating cooling fluid in the interior of the plate given the presence of a cooling plate directly in contact with the face of the battery supported by the battery. platinum. Such cooling by circulating fluid is more efficient than cooling by air. It is the plate which has a connection with a fluid circulation system present outside, for example, for a motor vehicle, the cooling system of a heat engine. Thirdly, it is the adapter plate which carries the entire bundle of electric cables connecting the battery to another battery or, directly or indirectly, to an element to be supplied electrically, for example an electric motor.
- the present invention makes it possible to integrate the functions of fixing, cooling by circulating fluid and electrical connection interface in a single part, which is the adapter plate, by designing it as compact as possible.
- the plate is crossed from its upper face to its lower face by a first passage for connecting the means for electrical connection with the electronic power base and at least one second passage for communicating the cooling plate with the end pieces. 'inlet and outlet, the first passage and said at least one second passage being arranged at a distance from each other, the lower face of the plate carrying a seal surrounding the electronic power base and the end caps at a distance. 'inlet and outlet of the heat transfer fluid.
- the adapter plate comprises means for rapid electrical connection with the battery, for example means resiliently biased against one of the two terminals of the battery to establish a rapid so-called form contact between the battery and the plate.
- the plate carries two second communication passages of the cooling plate, one of the second passages being associated with the inlet nozzle and the other of the second passages being associated with the outlet nozzle.
- the plate is rectangular or square in shape and the holding means are in the form of a raised edge portion on at least one side edge of the plate acting as a stopper and the clamping means are in the form of two clamping members disposed each extending at least partially over a length of the plate near a longitudinal edge of the plate, each clamping member having a free insertion spacing between a curved free end and the top face of the plate. the plate, one of the clamping elements being removable from the upper face of the plate.
- the battery is thus held on all sides in relation to the plate.
- the removable clamping element is in the form of a flat bar comprising a base resting against the upper face and secured to the upper face by removable fixing means, the curved free end of the flat bar s' extending parallel and away from the base.
- the clamping spaces serve to receive opposite portions of the face of the battery carried by the plate, this between the upper face of the plate and the curved free end of the flat bar. This also applies to the fixed clamping element of the plate.
- the means of electrical connection of the plate with the battery are in the form of two connection arms, each connection arm exiting from the plate through an edge of the plate, having consecutively a first section extending perpendicularly to the plate. and from the upper face of the plate, a second section comprising an elastically deformable free end of connection support.
- the electrical connection means of the plate with the battery are means of rapid connection by pressure of the elastically deformable free end of each electrical connection means on the terminal of the battery which is associated with it. A quick connection by contact and support, therefore without screwing or fitting of fasteners, is thus obtained.
- the present invention relates to an assembly of a battery and an adapter plate, the battery being a rectangular or square parallelepiped with a lower face comprising, on its longitudinal edges, edges projecting outwardly from the battery, remarkable in that the adapter plate is as previously described, the upper face of the plate supporting the lower face of the battery while being conformed to the battery so that the flanges projecting from the lower face of the battery cooperate with the clamping means carried by the upper face of the plate and at least one lateral edge of the lower face of the battery is in abutment with the holding means carried by the upper face of the plate, the cooling plate with circulation of a heat transfer fluid extending below most of the underside of the battery.
- Such an assembly can be mounted as a whole in line under the same conditions as a battery with integrated cooling, without using a specific battery incorporating a cooling device.
- the assembly can be assembled in preparation at the edge of the assembly line or at a subcontractor.
- the battery can be removed without removing the entire support member. Cooling by circulation of fluid on a passive cooling battery can also be adapted, without modifying the latter.
- the battery carries positive and negative terminals on its upper face, the connection means electrical plate with the battery being separate and individual for each of the battery terminals, a free end of connection support for the electrical connection means associated with a terminal covering the terminal by being resiliently biased against the associated terminal.
- the present invention also relates to a battery support member, remarkable in that it carries such an assembly, the adapter plate being perforated between its upper face and its lower face with at least two orifices for removable attachment between the support member and the plate. There is therefore no need to secure the battery to the support member, this joining being done by means of the adapter plate.
- the support member does not need to be adapted to the assembly, it is the adapter plate which makes it possible to adapt the battery to the support member without modifying these two elements.
- the present invention finally relates to a motor vehicle, remarkable in that it comprises such a support member for a battery, the support member being a floor of the motor vehicle.
- the motor vehicle is advantageously an electric vehicle or a hybrid vehicle.
- the C02 emission performance of a hybrid is improved while respecting the industrial constraint of community floor and mounting conditions.
- FIG. 1 is a schematic representation of a perspective view of the upper face of an adapter plate according to an embodiment of the present invention, the cooling plate carried by the face upper having been removed from this figure 1 as well as the electrical connection means,
- FIG. 2 is a schematic representation of a perspective view of the underside of an adapter plate according to an embodiment of the present invention, the electrical connection means of the plate intended to be connected to the battery being also visible in this figure 2,
- FIG. 3 is a schematic representation of a top perspective view of a battery connectable to an adapter plate to form an assembly according to an embodiment of the present invention
- FIG. 4 is a schematic representation of a top perspective view of a battery assembly and adapter plate according to one embodiment of the present invention, the assembly being secured to a support member that can be a motor vehicle floor.
- the present invention relates to a plate 1 for adapting a battery 2 to a support member 3.
- This adapter plate 1 has an upper face 1a for receiving the battery and a lower face 1b facing the support member 3.
- the upper face 1a of the adapter plate 1, illustrated in FIG. 1, comprises electrical connection means 4a, 4b, visible in FIG. 2, a cavity 5 for receiving a cooling plate with circulation of a heat transfer fluid, the cooling plate being integrated into the adapter plate 1 but removed from FIG. 1.
- the upper face of the plate 1 also comprises clamping means 6, 7 and holding means 8 for the battery.
- the electrical connection means 4a, 4b are visible in FIG. 2 and will subsequently be more fully described.
- the lower face lb of the adapter plate 1, illustrated in FIG. 2, comprises an electronic power base 10 connected to the electrical connection means 4a, 4b connected to an outside of the adapter plate 1 and end pieces 11a, 11b inlet and outlet of the coolant in the cooling plate.
- the electronic power base 10 can be connected by a bundle of electric cables for connection with another battery or for a device to be supplied with electricity, for example an electric motor.
- the electrical power supply provided by the battery is therefore carried out only by adapter plate 1 and no connecting the wire harness directly to the battery is required.
- an inverter can be positioned between the battery and the electric motor to transform the direct current at the output of the battery into alternating current.
- the plate 1 can be traversed from its upper face la to its lower face lb by a first passage 12 for connecting the electrical connection means 4a, 4b with the power electronic base 10 and at least one second passage 13a, 13b for communicating the cooling plate with the inlet and outlet end pieces 11a, 11b.
- the first passage 12 and said at least one second passage 13a, 13b can be arranged at a distance from one another to isolate everything that is electrical from a possible leak of heat transfer fluid.
- the lower face lb of the plate 1 can carry a seal, not referenced in the figures, surrounding in its interior and at a distance the electronic power base 10 and the end pieces 11a, 11b for the inlet and outlet of the coolant fluid. , in order to isolate these elements from the support member 3.
- the seal can be of rectangular or circular configuration.
- the plate 1 can carry two second passages 13a, 13b for communicating with the cooling plate.
- One 13a of the second passages 13a, 13b can be associated with the inlet nozzle 11a to supply the cooling plate with cold fluid and the other 13b of the second passages 13a, 13b can be associated with the outlet nozzle 11b for evacuating hot fluid from the cooling plate.
- the adapter plate 1 may be rectangular or square.
- the holding means 8 may be in the form of a raised edge portion 8 on at least one lateral edge of the plate 1 acting as a stop.
- the lateral edge is one of the two edges perpendicular to the edges carrying the clamping means 6, 7.
- the clamping means 6, 7 may be in the form of two clamping elements 6, 7 each arranged extending at least partially over a length of the plate 1 near a longitudinal edge of the plate 1 while being in position. vis-a-vis.
- Each clamping element 6, 7 may have a free insertion spacing between a curved free end and the upper face la of the plate 1, one 7 of the clamping elements 6, 7 being removable from the upper face la of the plate 1. .
- clamping element 6, 7 The removable nature of a clamping element 6, 7 is necessary to allow the positioning of the battery on the plate 1 during its assembly.
- the spacings of the two clamping elements 6, 7 facing each other face each other and are open towards each other.
- the removable clamping element 6, 7 may be in the form of a flat bar 7 comprising a base bearing against the upper face 1a and secured to the upper face 1a by removable fixing means 9, visible in FIG. 4. , in particular screws 9 passing through recesses 9a formed in the flat bar 7 and visible in FIG. 1.
- the curved free end of the flat bar 7 can extend parallel and at a distance from the base, overhanging the upper face 1a.
- connection means 4a, 4b of the plate 1 with the battery can in the form of two connection arms 4a, 4b, each in the form of a flat profile or of a flexible blade.
- Each connection arm 4a, 4b can come out of the plate 1 by a slice or thickness of the plate 1 between the upper face 1a and the lower face 1b, having consecutively a first section 14a, 14b extending perpendicularly to the upper face 1a of plate 1 starting from this upper face 1a.
- This first section 14a, 14b can be extended by a second section 15a, 15b comprising an elastically deformable free end of connection support 16a, 16b.
- each second section 15a, 15b and therefore of each arm 4a, 4b can be brought back to rest on a terminal 18a, 18b of the battery 2, when the battery 2 is mounted on the adapter plate 1.
- Figure 3 shows a battery 2.
- the battery 2 forms a rectangular or square parallelepiped with a lower face comprising, on its longitudinal edges or a pair of parallel edges in a case of a square parallelepiped, flanges 17 projecting towards the battery exterior 2.
- the upper face 1a of the adapter plate 1 supports the lower face of the battery 2 while being conformed to the battery 2 so that the flanges 17 projecting from the face of the battery 2 cooperate with the clamping means 6, 7 carried by the upper face of the plate 1.
- At least one lateral edge of the lower face of the battery 2 is in abutment with the holding means 8 carried by the upper face of the plate 1.
- the cooling plate circulating a heat transfer fluid extends below the major part of the lower face of the battery 2, advantageously more than 80% of the lower face 2 of the battery 2.
- the battery can carry positive and negative terminals 18a, 18b on its upper face opposite to its lower face resting on the plate 1.
- connection support 16a, 16b of the electrical connection means 4a, 4b associated with a terminal 18a, 18b can cover the terminal 18a, 18b by being resiliently biased against the terminal 18a , 18b associated. This applies to the two terminals 18a, 18b of battery 2.
- each terminal 18a, 18b or a pad associated with each terminal 18a, 18b enters a passage hole made in the free end of the connection support 16a, 16b of the electrical connection means 4a, 4b associated with a terminal.
- the electrical connection means 4a, 4b can therefore have at least one elastic end part which can be moved away from its associated terminal 18a, 18b when mounting the battery 2 but which returns to its position by restoring force by pressing the button. top of terminal 18a, 18b to establish electrical contact.
- the present invention also relates to a member 3 for supporting a battery.
- the support member 3 carries an assembly of a battery and an adapter plate 1 as described above.
- the adapter plate 1 can be perforated between its upper face 1a and its lower face 1b with at least two orifices 19a for removable securing means 19 between the member.
- the plate 1 adaptation can include at least two removable rings 20 helping the descent of the assembly towards the support member 3, these two rings 20 being visible in Figure 1.
- the plate 1 of adaptation according to the present invention or an assembly of a battery 2 with such an adapter plate 1 mounted on a support member 3 can be used in a motor vehicle, advantageously hybrid or electric but also in a motor vehicle with a heat engine having '' an auxiliary electric motor.
- the support member 3 can be a floor 3 of the motor vehicle, the assembly being inserted into the floor 3.
- a floor 3 can integrate a liquid cooling circuit and a power harness which pass under the floor.
- a common battery does not include a cooling system and has its power harnesses and positive and negative terminals on its top face. It would therefore not have been possible to use such a battery without adapter plate 1.
- the floor 3 of the motor vehicle remains unchanged, which does not require a floor variant 3 to adapt to the battery and adapter plate 1 assembly.
- the process of mounting the floor 3 and the battery and plate 1 assembly is facilitated.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1901990A FR3093031B1 (en) | 2019-02-27 | 2019-02-27 | Adapter plate for a battery on a support member |
PCT/FR2019/053249 WO2020174130A1 (en) | 2019-02-27 | 2019-12-20 | Plate for adapting a battery to a support member |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3931016A1 true EP3931016A1 (en) | 2022-01-05 |
Family
ID=67002029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19848810.8A Withdrawn EP3931016A1 (en) | 2019-02-27 | 2019-12-20 | Plate for adapting a battery to a support member |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3931016A1 (en) |
CN (1) | CN113474193A (en) |
FR (1) | FR3093031B1 (en) |
WO (1) | WO2020174130A1 (en) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6190795B1 (en) * | 1998-02-09 | 2001-02-20 | Johnson Controls Technology Company | Snap-in battery mounting base |
DE102010041276A1 (en) * | 2010-09-23 | 2012-03-29 | Siemens Aktiengesellschaft | Vehicle with electrical energy storage and device and method for its cooling |
FR2972143B1 (en) * | 2011-03-01 | 2013-09-20 | Renault Sa | SYSTEM FOR CONNECTING A POWER BATTERY TO A MOTOR VEHICLE |
JP5874549B2 (en) * | 2012-06-29 | 2016-03-02 | 三菱自動車工業株式会社 | Electric vehicle |
US9640787B2 (en) * | 2012-09-10 | 2017-05-02 | Richard C. Lee | Electrified battery tray assemblies |
FR3037539B1 (en) * | 2015-06-19 | 2020-05-29 | Renault S.A.S | BATTERY SUPPORT ARRANGEMENT FOR A HYBRID VEHICLE. |
US10147986B2 (en) * | 2015-11-03 | 2018-12-04 | Ford Global Technologies, Llc | Traction battery assembly |
KR101836652B1 (en) * | 2016-06-16 | 2018-03-08 | 현대자동차주식회사 | Encapsulation structure for preventing thermal damage of battery and method for operating the same |
-
2019
- 2019-02-27 FR FR1901990A patent/FR3093031B1/en active Active
- 2019-12-20 CN CN201980093182.2A patent/CN113474193A/en active Pending
- 2019-12-20 WO PCT/FR2019/053249 patent/WO2020174130A1/en unknown
- 2019-12-20 EP EP19848810.8A patent/EP3931016A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CN113474193A (en) | 2021-10-01 |
FR3093031B1 (en) | 2021-02-19 |
WO2020174130A1 (en) | 2020-09-03 |
FR3093031A1 (en) | 2020-08-28 |
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