CN115122894A - Power battery assembly inversely integrated with sliding plate chassis, electric vehicle and design method - Google Patents
Power battery assembly inversely integrated with sliding plate chassis, electric vehicle and design method Download PDFInfo
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- CN115122894A CN115122894A CN202210643222.XA CN202210643222A CN115122894A CN 115122894 A CN115122894 A CN 115122894A CN 202210643222 A CN202210643222 A CN 202210643222A CN 115122894 A CN115122894 A CN 115122894A
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- battery
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- box body
- chassis
- skateboard
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- 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
- 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
- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—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
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—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
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
- H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
-
- 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
-
- 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
Abstract
The invention discloses a power battery assembly inversely integrated with a chassis of a sliding plate, an electric vehicle and a design method, belonging to the technical field of automobiles. The bottom of the lower box body structure is provided with an opening, and the lower box body structure is connected and assembled with the battery bottom plate. The battery module is put into down inside the box structure through the open structure of body structure, can realize electric vehicle's highly integrated, the reliable fixed of battery module is in groups, promotes electric vehicle's integrated performance, processing property, security performance, life.
Description
Technical Field
The invention belongs to the technical field of automobiles, and particularly relates to a power battery assembly inversely integrated with a sliding plate chassis, an electric vehicle and a design method.
Background
The power battery is used as a key core part of the new energy automobile, and the structure integration performance is very important. The current mainstream battery assembly scheme is a standard module or a CTP configuration battery assembly, the two schemes have complicated structures and have two problems:
1. the integration is low due to the limitation of the arrangement height in the Z direction;
2. the assembly performance with the whole vehicle is poor, and the space utilization rate is low.
The prior art discloses a power battery pack and an electric vehicle, wherein the power battery pack comprises a tray and a plurality of single batteries arranged on the tray, the single batteries are arranged along a first direction, and the single batteries extend along a second direction; the tray includes first side and the second side that extends along first direction, and first side and second side set up relatively in the second direction, still including setting up the battery cell locating part on the tray, the battery cell locating part includes the first locating part that sets up adjacent first side and the second locating part that sets up adjacent second side, and first locating part and second locating part carry on spacingly at battery cell's thickness, length direction. The electric vehicle comprises the power battery pack. The single battery limiting pieces limit the single batteries in the first direction and the second direction, and can limit a plurality of single batteries simultaneously, so that the efficiency of assembling the power battery pack is effectively improved, and the assembling cost is reduced.
The prior art discloses a battery pack, which includes more than two battery modules; the battery modules comprise frames and a plurality of battery monomers accommodated in the frames; a sleeve is fixedly arranged between the adjacent frames; the sleeve is provided with a channel for penetrating the fixing piece; the fixing piece is used for fixing the battery pack on the whole vehicle. The application provides a battery package, including more than two battery modules, when realizing that the battery package is lightweight, also improved the joint strength of battery package in whole car.
The prior art also discloses a power battery system for a vehicle, such a tank comprising: a heat exchange plate; the lower frame body is positioned on the upper frame body, the lower frame body and the heat exchange plate, and forms an upward opening containing space for containing the battery; the protection plate is positioned below the heat exchange plate and protects the heat exchange plate from the lower part; the self-sealing riveting element fixes the protection plate, the heat exchange plate and the lower frame body together, penetrates through the protection plate and the heat exchange plate along the vertical direction, is inserted into the lower frame body and at least partially exposes out of the lower frame body, seals at a first position where the protection plate penetrates through, and seals at a second position where the self-sealing riveting element penetrates into the lower frame body. The self-sealing riveting element can directly seal at a first position penetrating through the protection plate and a second position inserted into the lower frame body, the sealing problem of a conventional fastener is solved, the assembly process is simplified, and the cost is reduced.
However, the above-mentioned applications are clearly distinguished from the summary of the present invention in terms of the technical problems and technical solutions to be solved, and the battery solutions for sealing and preventing heat diffusion are not possessed by the above-mentioned applications, and are not easily determined by a person skilled in the art through common knowledge and conventional means by a limited number of tests.
Disclosure of Invention
In order to overcome the technical problems of low volume space utilization rate, low integration level and complex structure of the electric vehicle in the prior art, the invention provides a power battery assembly which is inversely integrated with a sliding plate chassis, an electric vehicle and a design method. The battery module is put into down inside the box structure through the open structure of body structure, can realize electric vehicle's highly integrated, the reliable fixed of battery module is in groups, promotes electric vehicle's integrated performance, processing property, security performance, life.
The invention is realized by the following technical scheme:
in a first aspect, the invention provides a power battery assembly inversely integrated with a chassis of a skateboard, which comprises an independent suspension integrated structure 1, a battery module 2, a lower frame box 3 and a battery floor 5, wherein the lower frame box 3 is fixed on the independent suspension integrated structure 1, a lower box body of the lower frame box 3 is downwards opened, the battery module 2 is inversely arranged in the lower frame box 3, and the battery floor 5 is fixed at the opening of the lower box body.
Further, the frame lower box 3 is connected with the independent suspension integrated structure 1 through a steering structure 4.
Further, the independent suspension integrated structure 1 is composed of a suspension structure, a hub and a hub electric drive; wheel hub connects the front and back both sides at the suspension structure, wheel hub electricity drives to be fixed on the suspension structure, wheel hub electricity drives and is connected with wheel and wheel hub, and wheel hub electricity drives and is used for driving wheel and wheel hub.
Further, battery module 2 comprises a plurality of battery monomer 201 and the fixed ribbon 202 of module, a plurality of battery monomer 201 are arranged side by side, and the outer lane of a plurality of battery monomer 201 passes through the fixed ribbon 202 of module and fixes.
Further, the frame lower box body 3 is composed of a steering fixed end and a lower box body structure, and the front side and the rear side of the lower box body structure are fixed on the independent suspension integrated structure 1 through the steering fixed end.
Further, the upper portion integration of box 3 has battery liquid cold drawing under the frame, and battery module 2 bonds in box 3 under the frame through heat-conducting glue, realizes that battery module's fixed bearing is integrated with the heat management function.
Further, the lower box body of box 3 is the cuboid structure under the frame, the below opening, and inside cavity, battery module pack into the inside of lower box body through open structure, realize high integration, and battery floor 5 is connected with open structure.
In a second aspect, the invention provides an electric vehicle comprising a power battery assembly of the invention integrated with a skateboard chassis upside down.
In a third aspect, the invention further provides a design method of a power battery assembly inversely integrated with the chassis of the skateboard, which comprises the following steps:
step A: taking the layout boundary of the chassis of the sliding plate and the performance requirement of the battery assembly as design input;
and B: determining the number of single batteries according to the matching of the layout boundary of the lower chassis box body and the battery performance requirements, further determining the number of battery modules, and determining the size of the bottom of the lower chassis box body according to the number and the size of the battery modules; confirming the bonding strength of the heat-conducting structural adhesive according to the weight design of the battery module;
and C: the thickness of the sliding plate chassis is determined according to the number of the battery modules, the expansion force direction and the size of the battery modules;
step D: selecting the performance parameters of the heat-conducting structural adhesive; determining the final structure of the lower box body of the frame through CFD thermal management calculation and CAE strength calculation;
step E: and checking the electrical safety and the structural strength of the battery pack.
Compared with the prior art, the invention has the following advantages:
the invention relates to a power battery assembly inversely integrated with a sliding plate chassis, an electric vehicle and a design method. The battery module is put into down inside the box structure through the open structure of body structure, can realize electric vehicle's highly integrated, the reliable fixed of battery module is in groups, promotes electric vehicle's integrated performance, processing property, security performance, life.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural diagram I of a power battery assembly of the present invention integrated with a skateboard chassis in an inverted manner;
FIG. 2 is a schematic structural diagram II of a power battery assembly of the present invention integrated with a skateboard chassis in an inverted configuration;
FIG. 3 is a schematic structural diagram III of a power battery assembly of the present invention integrated with a skateboard chassis in an inverted configuration;
FIG. 4 is a schematic structural diagram of a battery module of a power battery assembly of the present invention integrated with a chassis of a skateboard in an inverted manner;
FIG. 5 is a schematic diagram IV of a power battery assembly of the present invention integrated with a skateboard chassis in an inverted configuration;
in the figure: the device comprises an independent suspension integrated structure 1, a battery module 2, a frame lower box body 3, a steering structure 4 and a battery upper box body 5;
Detailed Description
For clearly and completely describing the technical scheme and the specific working process thereof, the specific implementation mode of the invention is as follows by combining the attached drawings of the specification:
in the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
The power battery is used as a key core part of the new energy automobile, and the structure integration performance is very important. The current mainstream battery assembly scheme is a standard module or a CTP configuration battery assembly, the two schemes have complicated structures and have two problems: 1. the integration is low due to the limitation of the Z-direction arrangement height; 2. the assembly performance with the whole vehicle is poor, and the space utilization rate is low. The invention aims to provide a power battery assembly which is inversely integrated with a sliding plate chassis, and mainly solves the technical problems of low volume space utilization rate, low integration level and complex structure of an electric vehicle in the prior art.
Example 1
As shown in fig. 1, fig. 2, fig. 3, and fig. 5, the present embodiment provides a power battery assembly inversely integrated with a chassis of a skateboard, including an independent suspension integrated structure 1, a battery module 2, a lower frame box 3, and a battery floor 5, where the lower frame box 3 is fixed on the independent suspension integrated structure 1, a lower box body of the lower frame box 3 is downward opened, the battery module 2 is inversely arranged inside the lower frame box 3, and the battery floor 5 is fixed at an opening of the lower box body.
In the embodiment, the lower frame box 3 is connected with the independent suspension integrated structure 1 through a steering structure 4.
In this embodiment, the independent suspension integrated structure 1 is composed of a suspension structure, a hub and a hub electric drive; wheel hub connects in the preceding, the back both sides of suspension structure, wheel hub electricity drives to be fixed in suspension structure, wheel hub electricity drives to be connected with wheel hub, and wheel hub electricity drives to be used for driving wheel hub.
Referring to fig. 4, describing the structure of the battery module in detail, the battery module 2 is composed of a plurality of battery cells 201 and a module fixing tie 202, the battery cells 201 are arranged side by side, and the outer rings of the battery cells 201 are fixed by the module fixing tie 202.
In this embodiment, the lower box 3 of the frame is composed of a steering fixing end and a lower box structure, and the front and rear sides of the lower box structure are fixed on the independent suspension integrated structure 1 through the steering fixing end.
In this embodiment, the integrated battery liquid cold drawing that has on the upper portion of box 3 under the frame, battery module 2 bonds in box 3 under the frame through heat-conducting glue, realizes that battery module's fixed bearing is integrated with the heat management function.
In this embodiment, the lower box body of box 3 is the cuboid structure under the frame, the below opening, and inside cavity, the inside of lower box body is put into through open structure to the battery module, realizes high integration, and battery floor 5 is connected with open structure.
Example 2
The embodiment provides an electric vehicle comprising the power battery assembly which is inversely integrated with a chassis of the skateboard as in the embodiment 1.
Example 3
The embodiment provides a method for designing a power battery assembly inversely integrated with a skateboard chassis, which is used for designing the power battery assembly inversely integrated with the skateboard chassis described in embodiment 1, and the method comprises the following steps:
step A: taking the layout boundary of the chassis of the sliding plate and the performance requirement of the battery assembly as design input;
and B: determining the number of single batteries according to the matching of the layout boundary of the lower chassis box body and the battery performance requirements, further determining the number of battery modules, and determining the size of the bottom of the lower chassis box body according to the number and the size of the battery modules; confirming the bonding strength of the heat-conducting structural adhesive according to the weight design of the battery module;
and C: the thickness of the sliding plate chassis is determined according to the number of the battery modules, the expansion force direction and the size of the battery modules;
step D: selecting the performance parameters of the heat-conducting structural adhesive; determining the final structure of the lower box body of the frame through CFD thermal management calculation and CAE strength calculation;
step E: and checking the electrical safety and the structural strength of the battery pack.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (9)
1. The utility model provides a power battery assembly with slide chassis is invertd integrated which characterized in that, includes independent suspension integrated structure (1), battery module (2), box (3) and battery floor (5) under the frame, box (3) are fixed on independent suspension integrated structure (1) under the frame, the lower box body of box (3) is the downward opening under the frame, battery module (2) are invertd inside box (3) under the frame, and battery floor (5) are fixed at the opening part of box body down.
2. A power battery assembly integrated with a chassis of a skateboard upside down according to claim 1, characterized in that the lower box (3) of the frame is connected with the independent suspension integrated structure (1) through a steering structure (4).
3. A power cell assembly integrated with skateboard chassis upside down according to claim 1, characterized in that the independent suspension integrated structure (1) is composed of a suspension structure and a hub electric drive; wheel hub connects the front and back both sides at the suspension structure, wheel hub electricity drives to be fixed on the suspension structure, wheel hub electricity drives to be connected with wheel hub, and wheel hub electricity drives and is used for driving wheel hub.
4. The power battery assembly integrated with the chassis of the skateboard in the inverted mode is characterized in that the battery module (2) is composed of a plurality of battery cells (201) and module fixing bands (202), the battery cells (201) are arranged side by side, and the outer rings of the battery cells (201) are fixed through the module fixing bands (202).
5. The power battery assembly integrated with the chassis of the skateboard in the inverted manner as claimed in claim 1, wherein the lower box body (3) of the frame is composed of a steering fixing end and a lower box body structure, and the front and rear sides of the lower box body structure are fixed on the integrated structure (1) of the independent suspension through the steering fixing end.
6. The power battery assembly integrated with the chassis of the skateboard in an inverted manner is characterized in that a battery liquid cooling plate is integrated on the upper portion of the lower box body (3) of the skateboard frame, and the battery module (2) is bonded in the lower box body (3) of the skateboard frame through heat-conducting glue, so that the integration of the fixed bearing and the heat management functions of the battery module is realized.
7. The power battery assembly integrated with the chassis of the skateboard in an inverted manner as claimed in claim 1, wherein the lower box body of the lower box body (3) of the skateboard frame is of a cuboid structure, the lower part of the lower box body is open, the interior of the lower box body is hollow, the battery module is arranged in the lower box body through the open structure, high integration is achieved, and the battery floor (5) is connected with the open structure.
8. An electric vehicle comprising a power cell assembly according to any of claims 1 to 7 integrated upside down with a skateboard chassis.
9. A design method of a power battery assembly inversely integrated with a chassis of a skateboard is characterized by comprising the following steps:
step A: taking the layout boundary of the sliding plate chassis and the performance requirement of the battery assembly as design input;
and B: determining the number of single batteries according to the matching of the layout boundary of the lower chassis box body and the battery performance requirements, further determining the number of battery modules, and determining the size of the bottom of the lower chassis box body according to the number and the size of the battery modules; confirming the bonding strength of the heat-conducting structural adhesive according to the weight design of the battery module;
and C: the thickness of the sliding plate chassis is determined according to the number of the battery modules, the expansion force direction and the size of the battery modules;
step D: selecting the performance parameters of the heat-conducting structural adhesive; determining the final structure of the lower box body of the frame through CFD thermal management calculation and CAE strength calculation;
and E, step E: and checking the electrical safety and the structural strength of the battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210643222.XA CN115122894A (en) | 2022-06-08 | 2022-06-08 | Power battery assembly inversely integrated with sliding plate chassis, electric vehicle and design method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210643222.XA CN115122894A (en) | 2022-06-08 | 2022-06-08 | Power battery assembly inversely integrated with sliding plate chassis, electric vehicle and design method |
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| Publication Number | Publication Date |
|---|---|
| CN115122894A true CN115122894A (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210643222.XA Pending CN115122894A (en) | 2022-06-08 | 2022-06-08 | Power battery assembly inversely integrated with sliding plate chassis, electric vehicle and design method |
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| CN (1) | CN115122894A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023240389A1 (en) * | 2022-06-13 | 2023-12-21 | 宁德时代新能源科技股份有限公司 | Battery pack and electrical apparatus |
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2022
- 2022-06-08 CN CN202210643222.XA patent/CN115122894A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023240389A1 (en) * | 2022-06-13 | 2023-12-21 | 宁德时代新能源科技股份有限公司 | Battery pack and electrical apparatus |
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