CN113540646B - Storage type electric vehicle battery pack integrated structure - Google Patents
Storage type electric vehicle battery pack integrated structure Download PDFInfo
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- CN113540646B CN113540646B CN202110709498.9A CN202110709498A CN113540646B CN 113540646 B CN113540646 B CN 113540646B CN 202110709498 A CN202110709498 A CN 202110709498A CN 113540646 B CN113540646 B CN 113540646B
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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
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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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
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
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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
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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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
- H01M50/249—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
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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
- H01M50/262—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
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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
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/505—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising a single busbar
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- 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
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- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Aviation & Aerospace Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a storage type electric vehicle battery pack integrated structure, and relates to the technical field of new energy automobiles; the battery module comprises a battery module, a bottom plate module for supporting the battery module, a frame module for supporting the bottom plate module and an upper cover module covered on the battery module; the frame assembly comprises threshold beam assemblies positioned on two opposite sides of the battery assembly, a front transverse plate assembly fixedly connected between one ends of the threshold beam assemblies, a rear transverse plate assembly fixedly connected between the other ends of the threshold beam assemblies, a rear floor assembly and A column assemblies fixedly connected on two opposite sides of the front transverse plate assembly; the lower end of the A column assembly is fixedly connected to the threshold beam assembly. The invention has a plurality of force transmission ways, when the automobile is impacted, the force is transmitted to the front transverse plate assembly from the automobile head, then part of the force is transmitted to the A-pillar assembly and then to the automobile roof, thereby reducing the stress of the battery and protecting the battery.
Description
Technical Field
The invention belongs to the technical field of new energy automobiles, and particularly relates to a storage type electric vehicle battery pack integrated structure.
Background
In the technical development process of the electric vehicle, the user expects to be higher and higher for the duration, and the battery electric quantity is a key factor for determining the duration of the electric vehicle.
The existing battery pack structure is few in force transmission path, when the vehicle head is impacted, force is directly transmitted to the threshold beam assembly through the front transverse plate assembly, and then is transmitted to the battery, and the battery is easy to break and explode.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a storage type electric vehicle battery pack integrated structure.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the storage type electric vehicle battery pack integrated structure comprises a battery assembly, a bottom plate assembly, a frame assembly and an upper cover assembly, wherein the bottom plate assembly is used for supporting the battery assembly; the frame assembly comprises threshold beam assemblies positioned on two opposite sides of the battery assembly, a front transverse plate assembly fixedly connected between one ends of the threshold beam assemblies, a rear transverse plate assembly fixedly connected between the other ends of the threshold beam assemblies, a rear floor assembly and A column assemblies fixedly connected on two opposite sides of the front transverse plate assembly; the lower end of the A column assembly is fixedly connected to the threshold beam assembly; the bottom plate assembly comprises a bottom plate body, a cross beam fixedly connected to the upper side of the bottom plate body and a longitudinal beam fixedly connected to the upper side of the bottom plate body; the cross beam and the longitudinal beam divide the area on the upper side of the bottom plate body into four areas; the battery assembly comprises four battery modules which are in one-to-one correspondence with the cells; the outside parcel of battery module has the outsourcing frame, outsourcing frame and bottom plate body sliding connection, will be close to the battery module that two district check corresponds of preceding diaphragm assembly and be named as preceding battery module, with two other battery modules name as back battery module, it has the longitudinal tie to pass on the crossbeam, preceding battery module and back battery module pass through the longitudinal tie connects, longitudinal tie and crossbeam sliding connection, it has the transverse link to pass on the longeron, pass between the preceding battery module through the transverse link connects, pass through between the back battery module transverse link connects, be equipped with the slot hole that is used for holding the transverse link on the longeron, be equipped with the force application spring that is used for applys the force towards back diaphragm assembly to the transverse link in the slot hole, be equipped with the pivot in the crossbeam, it is connected with the runner to rotate in the pivot, one side rigid coupling of runner has the latch, be equipped with the draw-in groove on the longitudinal tie, it is located the draw-in groove to rotate in the pivot, be connected with the friction wheel, be equipped with the unidirectional bearing that is used for restricting the direction of rotation of friction wheel between friction wheel and the crossbeam, through the transverse link connects between the longitudinal link the transverse link, the transverse link passes through transverse link connects, the return spring is equipped with the other side on the other side, the return spring is connected on the other side, the return spring is held down on the other side, the return spring is connected to the return spring.
Preferably, the bottom plate assembly comprises a supporting frame fixedly connected to the edge of the bottom plate body and a reinforcing frame fixedly connected to the lower side of the bottom plate body.
Preferably, the battery assembly comprises a copper bar used for connecting the battery modules in series and a water pipe used for cooling the battery modules.
Preferably, the battery assembly further comprises an insulating block positioned at the end part of the battery module, a distribution box positioned at the upper side of the battery module and a safety box.
Preferably, the upper cover assembly includes a front cover plate, a rear cover plate, and a cover plate cross member to cover between the front cover plate and the rear cover plate.
Preferably, the lower side of the upper cover assembly is provided with a distribution box bracket attached to the distribution box and a module pressing plate attached to the battery module.
Preferably, the inside of the wall of the outer wrapping frame is provided with a water channel, a transverse water channel is arranged in the transverse connecting rod, a longitudinal water channel is arranged in the longitudinal connecting rod, the water channels corresponding to the rear battery modules are communicated through the transverse water channel, the water channels corresponding to the front battery modules are communicated through the transverse water channel, the water channels corresponding to the rear battery modules and the front battery modules are communicated through the longitudinal water channel, and the water pipe is connected with the water channels.
The beneficial effects of the invention are as follows: 1. the force transmission way is multiple, when the automobile is impacted, the force is transmitted to the front transverse plate assembly through the automobile head, then part of the force is transmitted to the A column assembly and then to the automobile roof, so that the stress of the battery is reduced, and the battery is protected. 2. The integrated level of the bottom plate component and the vehicle body for supporting the battery component is high, and the stability of the vehicle body is improved. 3. When the battery is assembled, the battery is assembled to the vehicle body from top to bottom. 4. The rigidity of the whole car is good, and the collision performance is good. 5. The battery module is fully distributed with the cells, so that the chassis space is fully utilized, and the cruising time is further increased. And the frame component is highly integrated, so that the assembly efficiency is improved. In addition, an optimization scheme is provided, and the battery is buffered during collision.
Drawings
FIG. 1 is a schematic diagram of a battery pack integrated structure;
FIG. 2 is a schematic view of a bezel assembly;
FIG. 3 is a schematic view of a base plate assembly;
FIG. 4 is a schematic view of a battery assembly;
FIG. 5 is a partial cross-sectional view of example 2;
FIG. 6 is a cross-sectional view A-A of FIG. 5;
fig. 7 is a B-B cross-sectional view of fig. 5.
In the figure: the battery pack 1, the floor assembly 2, the frame assembly 3, the upper cover assembly 4, the threshold beam assembly 5, the a-pillar assembly 6, the front cross plate assembly 7, the rear cross plate assembly 8, the rear floor assembly 9, the floor body 10, the longitudinal beam 11, the cross beam 12, the supporting frame 13, the reinforcing frame 14, the battery module 16, the copper bar 17, the distribution box 18, the fuse box 19, the insulating block 20, the front cover 21, the rear cover 22, the cover cross beam 23, the outer cover 26, the longitudinal connecting rod 27, the transverse connecting rod 28, the long hole 29, the force application spring 30, the rotating shaft 31, the rotating wheel 32, the clamping teeth 33, the clamping groove 34, the friction wheel 35, the one-way bearing 36, the return spring 37, the water channel 38, the transverse water channel 39, the longitudinal water channel 40 and the water pipe 41.
Detailed Description
The invention is further described in detail below with reference to the attached drawings and detailed description:
example 1:
referring to fig. 1 to 4, a storage type electric vehicle battery pack integrated structure comprises a battery assembly 1, a bottom plate assembly 2 for supporting the battery assembly 1, a frame assembly 3 for supporting the bottom plate assembly 2, and an upper cover assembly 4 covering the battery assembly 1;
the frame assembly 3 comprises threshold beam assemblies 5 positioned on two opposite sides of the battery assembly 1, a front transverse plate assembly 7 fixedly connected between one ends of the threshold beam assemblies 5, a rear transverse plate assembly 8 and a rear floor assembly 9 fixedly connected between the other ends of the threshold beam assemblies 5, and A column assemblies 6 fixedly connected on two opposite sides of the front transverse plate assembly 7;
the lower end of the A column assembly 6 is fixedly connected to the threshold beam assembly 5.
The bottom plate assembly 2 comprises a bottom plate body 10, a supporting frame 13 fixedly connected to the edge of the bottom plate body 10, a cross beam 12 fixedly connected to the upper side of the bottom plate body 10, a longitudinal beam 11 fixedly connected to the upper side of the bottom plate body 10 and a reinforcing frame 14 fixedly connected to the lower side of the bottom plate body 10;
the cross members 12 and the side members 11 divide the upper region of the floor body 10 into four compartments.
The battery assembly 1 comprises four battery modules 16 in one-to-one correspondence with the cells, copper bars 17 for connecting the battery modules 16 in series, and a water pipe 41 for cooling the battery modules 16.
The battery assembly 1 further includes an insulating block 20 at the end of the battery module 16, a distribution box 18 at the upper side of the battery module 16, and a safety box 19.
The upper cover assembly 4 includes a front cover 21, a rear cover 22, and a cover beam 23 to cover between the front cover 21 and the rear cover 22.
The upper cover assembly 4 is provided with a distribution box bracket attached to the distribution box 18 and a module pressing plate attached to the battery module 16 at the lower side.
In the embodiment, the force transmission ways are more, when the automobile is impacted, the force is transmitted to the front transverse plate assembly from the automobile head, then part of the force is transmitted to the A-pillar assembly 6 and then to the automobile roof, so that the stress of the battery is reduced, and the battery is protected.
In this embodiment, the battery modules 16 are fully arranged in the cells, so that the chassis space is fully utilized, and the endurance is further increased.
And the frame component 3 is highly integrated, so that the assembly efficiency is improved.
Example 2:
this embodiment is substantially identical to embodiment 1 except that no distribution box bracket, die set press plate is provided on the underside of the upper cover assembly 4.
Referring to fig. 5 to 7, the outer side of the battery module 16 is wrapped with an outer wrapping frame 26, the outer wrapping frame 26 is slidably connected with the base plate body 10, the battery module 16 corresponding to two cells close to the front transverse plate assembly 7 is named as a front battery module, the other two battery modules 16 are named as rear battery modules, the transverse beam 12 is penetrated with a longitudinal connecting rod 27, the front battery module and the rear battery module are connected through the longitudinal connecting rod 27, the longitudinal connecting rod 27 is slidably connected with the transverse beam 12, the longitudinal beam 11 is penetrated with a transverse connecting rod 28, the front battery modules are connected through the transverse connecting rod 28, the rear battery modules are connected through the transverse connecting rod 28, a long hole 29 for accommodating the transverse connecting rod 28 is arranged on the longitudinal beam 11, a force application spring 30 for applying force to the transverse connecting rod 28 towards the rear transverse plate assembly 8 is arranged in the long hole 29, be equipped with pivot 31 in the crossbeam 12, be connected with runner 32 in the rotation on the pivot 31, one side rigid coupling of runner 32 has latch 33, be equipped with draw-in groove 34 on the longitudinal link 27, latch 33 is located draw-in groove 34, be connected with friction wheel 35 in the rotation on the pivot 31, be equipped with the one-way bearing 36 that is used for restricting friction wheel 35 direction of rotation between friction wheel 35 and the crossbeam 12, runner 32 one side supports and leans on friction wheel 35, runner 32 opposite side is equipped with return spring 37, return spring 37 cover is on pivot 31, return spring 37 one end is connected on the crossbeam 12 inner wall, the return spring 37 other end is connected on runner 32, return spring 37 applys the power towards friction wheel 35 one side to runner 32 so that runner 32 compresses tightly on friction wheel 35.
The inside of the wall of outsourcing frame 26 is equipped with water course 38, be equipped with horizontal water course 39 in the horizontal connecting rod 28, be equipped with vertical water course 40 in the vertical connecting rod 27, water course 38 that the back battery module corresponds communicates through horizontal water course 39, water course 38 that the front battery module corresponds communicates through horizontal water course 39, water course 38 that the back battery module corresponds with the front battery module communicates through vertical water course 40, water pipe 41 and water course 38 are connected.
In this embodiment, the battery module 16 is not fully covered, at ordinary times, the front battery module is abutted against the cross beam 12, referring to fig. 6, under the action of both friction forces between the one-way bearing 36, the friction wheel 35 and the rotating wheel 32, the battery module 16 cannot slide forward, after the vehicle head is impacted, under the inertia action of the battery module 16, the rotating wheel 32 rotates against the friction force, the latch rotates, the return spring twists, after the latch 33 and the latch groove 34 are disengaged, under the action of the return spring 37, the latch 33 abuts against the longitudinal connecting rod 27, the battery module 16 slides forward, the latch slides on the longitudinal connecting rod, the force spring 30 shortens, the battery module 16 is buffered, then the battery module 16 slides backward under the action of the force spring 30, the latch groove approaches the latch, when the latch groove moves to the latch position, the rotating wheel rotates, the latch enters the latch groove, the latch groove 34 is matched with the latch groove 33 again, and then the front battery module is abutted against the cross beam 12 again. In the sliding process of the battery module, the outer wrapping frame overcomes the friction force with the bottom plate body to do work and consume energy, and the impact force is greatly reduced although the battery module finally collides on the cross beam.
Claims (7)
1. The storage type electric vehicle battery pack integrated structure is characterized by comprising a battery assembly, a bottom plate assembly, a frame assembly and an upper cover assembly, wherein the bottom plate assembly is used for supporting the battery assembly;
the frame assembly comprises threshold beam assemblies positioned on two opposite sides of the battery assembly, a front transverse plate assembly fixedly connected between one ends of the threshold beam assemblies, a rear transverse plate assembly fixedly connected between the other ends of the threshold beam assemblies, a rear floor assembly and A column assemblies fixedly connected on two opposite sides of the front transverse plate assembly;
the lower end of the A column assembly is fixedly connected to the threshold beam assembly;
the bottom plate assembly comprises a bottom plate body, a cross beam fixedly connected to the upper side of the bottom plate body and a longitudinal beam fixedly connected to the upper side of the bottom plate body;
the cross beam and the longitudinal beam divide the area on the upper side of the bottom plate body into four areas;
the battery assembly comprises four battery modules which are in one-to-one correspondence with the cells;
the outside parcel of battery module has the outsourcing frame, outsourcing frame and bottom plate body sliding connection, will be close to the battery module that two district check corresponds of preceding diaphragm assembly and be named as preceding battery module, with two other battery modules name as back battery module, it has the longitudinal tie to pass on the crossbeam, preceding battery module and back battery module pass through the longitudinal tie connects, longitudinal tie and crossbeam sliding connection, it has the transverse link to pass on the longeron, pass between the preceding battery module through the transverse link connects, pass through between the back battery module transverse link connects, be equipped with the slot hole that is used for holding the transverse link on the longeron, be equipped with the force application spring that is used for applys the force towards back diaphragm assembly to the transverse link in the slot hole, be equipped with the pivot in the crossbeam, it is connected with the runner to rotate in the pivot, one side rigid coupling of runner has the latch, be equipped with the draw-in groove on the longitudinal tie, it is located the draw-in groove to rotate in the pivot, be connected with the friction wheel, be equipped with the unidirectional bearing that is used for restricting the direction of rotation of friction wheel between friction wheel and the crossbeam, through the transverse link connects between the longitudinal link the transverse link, the transverse link passes through transverse link connects, the return spring is equipped with the other side on the other side, the return spring is connected on the other side, the return spring is held down on the other side, the return spring is connected to the return spring.
2. The storage type electric vehicle battery pack integrated structure according to claim 1, wherein the bottom plate assembly comprises a supporting frame fixedly connected to the edge of the bottom plate body and a reinforcing frame fixedly connected to the lower side of the bottom plate body.
3. The integrated structure of claim 1, wherein the battery assembly comprises a copper bar for connecting the battery modules in series, and a water pipe for cooling the battery modules.
4. The storage type electric vehicle battery pack integrated structure according to claim 1, wherein the battery assembly further comprises an insulating block positioned at the end of the battery module, a distribution box positioned at the upper side of the battery module and a safety box.
5. The storage type electric vehicle battery pack integrated structure according to claim 1, wherein the upper cover assembly comprises a front cover plate, a rear cover plate, and a cover plate cross member for covering between the front cover plate and the rear cover plate.
6. The storage type electric vehicle battery pack integrated structure according to claim 4, wherein a distribution box support attached to the distribution box and a module pressing plate attached to the battery module are arranged on the lower side of the upper cover assembly.
7. The storage type electric vehicle battery pack integrated structure according to claim 3, wherein a water channel is arranged in the wall of the outer wrapping frame, a transverse water channel is arranged in the transverse connecting rod, a longitudinal water channel is arranged in the longitudinal connecting rod, the water channels corresponding to the rear battery modules are communicated through the transverse water channel, the water channels corresponding to the front battery modules are communicated through the transverse water channel, the water channels corresponding to the rear battery modules and the front battery modules are communicated through the longitudinal water channel, and the water pipe is connected with the water channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110709498.9A CN113540646B (en) | 2021-06-25 | 2021-06-25 | Storage type electric vehicle battery pack integrated structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110709498.9A CN113540646B (en) | 2021-06-25 | 2021-06-25 | Storage type electric vehicle battery pack integrated structure |
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| Publication Number | Publication Date |
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| CN113540646A CN113540646A (en) | 2021-10-22 |
| CN113540646B true CN113540646B (en) | 2023-08-01 |
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| CN202110709498.9A Active CN113540646B (en) | 2021-06-25 | 2021-06-25 | Storage type electric vehicle battery pack integrated structure |
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| CN212447084U (en) * | 2020-05-27 | 2021-02-02 | 湖北亿纬动力有限公司 | Chassis assembly and vehicle |
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| CN109204496B (en) * | 2017-06-30 | 2020-10-23 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
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| CN108583240B (en) * | 2018-04-03 | 2020-10-02 | 江苏卓燃工程咨询有限公司 | New energy automobile door with shock-absorbing function |
| CN209505418U (en) * | 2018-12-29 | 2019-10-18 | 爱驰汽车有限公司 | A kind of battery pack and vehicle body integral structure and automobile |
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| CN112793668B (en) * | 2021-01-29 | 2022-07-01 | 云度新能源汽车股份有限公司 | Electric vehicle lower body frame and electric vehicle thereof |
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2021
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209581631U (en) * | 2018-12-20 | 2019-11-05 | 众泰新能源汽车有限公司 | A kind of electric car side threshold rear structure of vehicle body |
| CN212447084U (en) * | 2020-05-27 | 2021-02-02 | 湖北亿纬动力有限公司 | Chassis assembly and vehicle |
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