CN113782895B - New energy automobile battery box - Google Patents
New energy automobile battery box Download PDFInfo
- Publication number
- CN113782895B CN113782895B CN202111054734.4A CN202111054734A CN113782895B CN 113782895 B CN113782895 B CN 113782895B CN 202111054734 A CN202111054734 A CN 202111054734A CN 113782895 B CN113782895 B CN 113782895B
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- Prior art keywords
- outer box
- shell
- box body
- box
- battery
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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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- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention relates to the technical field of battery boxes, in particular to a new energy automobile battery box, which comprises an outer box body, wherein a top cover is arranged at the top of the outer box body, one end, close to a vehicle head, of the outer box body is defined to be a front end, one end, close to a vehicle tail, of the outer box body is defined to be a rear end, a plurality of first shells and a plurality of second shells are arranged in the outer box body, the bottom end of a storage cavity of each first shell is blocked by a bottom plate of the outer box body, the bottom end of the storage cavity of each second shell is open, a supporting plate is arranged at the opening of the bottom plate of the outer box body below each second shell, the supporting plates are assembled with the outer box body in a constraint mode through connecting pieces, and the constraint between the supporting plates and the outer box body after the vehicle is impacted is eliminated. After being compressed, the adjacent battery modules are not contacted or the mutual extrusion force is reduced, the probability of explosion of the batteries is reduced, and when the whole box body is extruded and deformed, the open position is deformed preferentially, so that the internal batteries can be prevented from being extruded mutually, and a buffer effect can be achieved.
Description
Technical Field
The invention relates to the technical field of battery boxes, in particular to a new energy automobile battery box.
Background
The important but dangerous part of new energy automobiles is that battery modules, such as lithium batteries, possibly cause explosion when being impacted by external machinery, and the length of the whole automobile body is compressed and shortened when the automobile is impacted positively, so that the batteries are mutually extruded to cause ignition or explosion of the batteries.
Disclosure of Invention
The invention aims to solve the defect that a new energy automobile battery is easy to be extruded to cause explosion in the prior art, and provides a new energy automobile battery box body.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a new energy automobile battery box, includes outer box, outer box top is equipped with the top cap, and the one end that defines outer box to be close to the locomotive is the front end, the one end that is close to the tail is the rear end, be equipped with a plurality of first shell, a plurality of second shell in the outer box, first shell and second shell are by the outside box front end to the alternating distribution in outer box rear end, first shell, second shell have all seted up the storage chamber that is used for depositing battery module, the storage chamber slope sets up, the storage chamber bottom is close to outer box front end, top is close to outer box rear end, the storage chamber bottom of first shell is through the bottom plate shutoff of outer box, the storage chamber bottom of second shell is uncovered, the bottom plate of outer box is located the uncovered department in every second shell below and all is equipped with a backup pad, the backup pad is in the same place through connecting piece and outer box restraint assembly, after the car striking the backup pad disappears with restraint before the outer box.
The utility model discloses a car, including outer box, connecting piece, wherein the outer box front end is equipped with the striking board of vertical setting, striking board top rigid coupling has the level to set up and to the upper bracket that the car tail extends, the connecting piece includes a plurality of and storage chamber incline direction the same and with the connecting cylinder of backup pad rigid coupling, the connecting cylinder runs through outer box bottom plate, a plurality of spheroid is installed to the part that the connecting cylinder is located outer box bottom plate top, every the connecting cylinder corresponds to be inserted and is equipped with a pin, the pin is inserted promote when in the connecting cylinder spheroid part outstanding connecting cylinder outer peripheral face, the pin breaks away from thrust disappears when the connecting cylinder in the spheroid falls into the connecting cylinder, every the pin is all connected with the upper bracket through the stay cord.
The bottom of the battery module inside the first shell is fixedly connected with a first connecting block, one end of the first connecting block is supported at the bottom of the battery module, one end of the first connecting block is supported above the bottom plate of the outer box body, and the first connecting block is fixedly connected with the bottom plate of the outer box body through a first bolt;
and/or the bottom of the battery module inside the second housing is fixedly connected with a second connecting block, one end of the second connecting block is supported at the bottom of the battery module, one end of the second connecting block is supported above the supporting plate, and the second connecting block is fixedly connected with the supporting plate through a second bolt.
And a plurality of rollers are arranged on the inner wall of the second housing.
Every the uncovered department in second shell top all is equipped with a push rod that is used for promoting battery module downward movement, the push rod runs through the top cap and with top cap sliding connection, be connected with the spring between push rod and the top cap, the upper support frame bottom all is equipped with the wedge with the corresponding position of push rod, when the upper support frame moves to the tail, the wedge promotes the push rod downward movement.
The front end of the outer box body is provided with a thin-wall box body, the thin-wall box body is communicated with the inner cavity of the outer box body through a vent hole, a compression air bag is arranged in the thin-wall box body, and flame-retardant gas is filled in the compression air bag.
The flame-retardant gas is carbon dioxide, and the inner wall of the thin-wall box body is provided with a spike protrusion.
The battery box body of the new energy automobile has the beneficial effects that: when the length is compressed after the automobile is impacted, because the interval between the internal battery modules is increased, the eventually adjacent battery modules are not contacted or mutual extrusion force is reduced after the internal battery modules are compressed, the probability that the battery is extruded and exploded is reduced, and because the bottom of the second housing is open, when the whole box body is extruded and deformed, the position of the opening is deformed preferentially, so that the internal battery can be prevented from being extruded mutually, and the buffer effect can be achieved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
fig. 2 is an enlarged structural view of the second housing of the present invention.
In the figure: push rod 1, wedge 2, spring 3, top cap 4, upper support 5, air vent 6, spike protrusion 7, thin wall box 8, strike plate 9, compression gasbag 10, first shell 11, first connecting block 12, first bolt 13, second shell 14, second connecting block 15, second bolt 16, backup pad 17, gyro wheel 18, connecting piece 19, stay 20, pin 21, spheroid 22, connecting cylinder 23, outer box 24.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-2, a battery box of a new energy automobile includes an outer box 24, a top cover 4 is arranged at the top of the outer box 24, one end of the outer box 24, which is close to a front end, and one end, which is close to a tail, of the outer box 24 is defined as a rear end, a plurality of first shells 11 and a plurality of second shells 14 are arranged in the outer box 24, the first shells 11 and the second shells 14 are alternately distributed from the front end of the outer box 24 to the rear end of the outer box 24, the first shells 11 and the second shells 14 are respectively provided with a storage cavity for storing battery modules, the storage cavities are obliquely arranged, the bottom ends of the storage cavities are close to the front end of the outer box 24, the top ends of the storage cavities are close to the rear end of the outer box 24, the bottom ends of the storage cavities of the first shells 11 are plugged by a bottom plate of the outer box 24, the bottom plate of the outer box 24 is open, a supporting plate 17 is arranged at the opening below each second shell 14, the supporting plate 17 is assembled with the outer box 24 in a constraint mode through a connecting piece 19, the supporting plate 17 and the constraint piece 19 before the automobile is impacted, the supporting plate 17 and the outer box 24 disappear, the connecting piece 19 can be broken, and the brittle material can disappear after the connecting piece 19 is impacted, and the constraint force is lost.
When an automobile collides with a front object, the restraint between the supporting plate 17 and the outer box 24 disappears, the forward movement of the automobile is suddenly blocked by the front object, all objects in the automobile can generate forward movement inertia, the battery module of the device is arranged in the inclined storage cavity of the outer shell, the bottom end of the storage cavity is close to the front end of the outer box 24, the top end of the storage cavity is close to the rear end of the outer box 24, namely, the storage cavity is arranged along the direction of the inertia force, after the restraint on the supporting plate 17 below the second shell 14 disappears, the bottom end opening position of the second shell 14 is in an unconstrained state, the battery module in the second shell 14 is separated from the outer box 24 from the bottom end opening position of the second shell 14 under the forward inertia action, and the battery module in the second shell 14 falls under the inertia force action, so that the storage cavity in the second shell 14 becomes a cavity, and the adjacent battery modules in the first shell 11 can be free from the cavity position.
Referring to fig. 2, the front end of the outer case 24 is provided with a vertically arranged striking plate 9, the top end of the striking plate 9 is fixedly connected with an upper supporting frame 5 which is horizontally arranged and extends towards the tail of the vehicle, the connecting piece 19 comprises a plurality of connecting cylinders 23 which are the same as the inclination direction of the storage cavity and fixedly connected with the supporting plate 17, the connecting cylinders 23 penetrate through the bottom plate of the outer case 24, a plurality of balls 22 are installed on the parts, above the bottom plate of the outer case 24, of the connecting cylinders 23, each connecting cylinder 23 is correspondingly inserted with a stop lever 21, when the stop lever 21 is inserted into the connecting cylinder 23, the balls 22 are pushed to partially protrude out of the outer peripheral surface of the connecting cylinder 23, when the stop lever 21 is separated from the connecting cylinders 23, the thrust-lost balls 22 fall into the connecting cylinders 23, each stop lever 21 is connected with the upper supporting frame 5 through a pull rope 20, when the balls 22 protrude out of the outer peripheral surface of the connecting cylinders 23, under the limiting effect of the balls 22, when the stop levers 21 lose supporting force to the balls 22, the balls 22 are difficult to limit the downward movement of the connecting cylinders 23.
When the automobile collides with an object, the impact plate 9 drives the upper supporting frame 5 to move backwards, the upper supporting frame 5 pulls the stop lever 21 out of the connecting cylinder 23 through the pull rope 20, the limiting force of the ball 22 on the connecting cylinder 23 disappears, the battery module and the supporting plate 17 in the second shell 14 are separated from the outer box 24 under the action of gravity and inertia force, and meanwhile, the structure can avoid the falling of a battery caused by emergency braking.
In order to facilitate the battery module to be fixedly installed inside the shell, the bottom of the battery module positioned inside the first shell 11 is fixedly connected with a first connecting block 12, and is fixed through a screw or a strong adhesive, one end of the first connecting block 12 is supported at the bottom of the battery module, and the other end is supported above the bottom plate of the outer box 24, and the first connecting block 12 is fixedly connected with the bottom plate of the outer box 24 through a first bolt 13;
and/or the bottom of the battery module positioned in the second housing 14 is fixedly connected with a second connecting block 15, one end of the second connecting block 15 is supported at the bottom of the battery module, one end of the second connecting block 15 is supported above the supporting plate 17, and the second connecting block 15 is fixedly connected with the supporting plate 17 through a second bolt 16.
A plurality of rollers 18 are arranged on the inner wall of the second shell 14, and the rollers 18 reduce friction between the battery module and the inner wall of the second shell 14, so that the battery module can fall off conveniently.
In order to further accelerate the battery module to separate from the second shell 14, the opening at the top end of each second shell 14 is provided with a push rod 1 for pushing the battery module to move downwards, the push rod 1 penetrates through the top cover 4 and is in sliding connection with the top cover 4, a spring 3 is connected between the push rod 1 and the top cover 4, the bottom of the upper support frame 5 is provided with a wedge block 2 corresponding to the push rod 1, when the upper support frame 5 moves towards the tail, the wedge block 2 pushes the push rod 1 to move downwards, when the upper support frame 5 moves backwards, the wedge block 2 pushes the push rod 1 to move downwards, and when the push rod 1 moves downwards, the battery module inside the second shell 14 is pushed to separate from the second shell.
The front end of the outer box 24 is provided with the thin-wall box 8, the thin-wall box 8 is communicated with the inner cavity of the outer box 24 through the vent holes 6, the compression air bag 10 is arranged in the thin-wall box 8, flame retardant gas is filled in the compression air bag 10, when the impact plate 9 moves backwards, referring to fig. 2, the thin-wall box 8 is shrunken, the flame retardant gas in the compression air bag 10 enters the outer box 24, on one hand, the thin-wall box 8 and the air bag play a buffering role, on the other hand, an open flame retardant effect is achieved, the flame retardant gas is carbon dioxide, and the inner wall of the thin-wall box 8 is provided with the spike protrusion 7.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any technical solution, conception and design obtained by equivalent substitution or modification of the technical solution and the inventive concept thereof by those skilled in the art within the scope of the present invention should be covered in the scope of the present invention.
Claims (6)
1. The utility model provides a new energy automobile battery box, includes outer box (24), outer box (24) top is equipped with top cap (4), and its characterized in that, define that the one end that outer box (24) is close to the locomotive is the front end, the one end that is close to the tail is the rear end, be equipped with a plurality of first shell (11), a plurality of second shell (14) in outer box (24), first shell (11) and second shell (14) are by outer box (24) front end to outer box (24) rear end alternate distribution, first shell (11), second shell (14) all offer the storage chamber that is used for depositing the battery module, the storage chamber slope sets up, the storage chamber bottom is close to outer box (24) front end, the top is close to outer box (24) rear end, the storage chamber bottom of first shell (11) is through the bottom plate of outer box (24), the storage chamber bottom of second shell (14) is uncovered, the bottom plate of outer box (24) is located every second shell (24) and is equipped with restraint (17) together in the back of the back end of car (17) that is equipped with the back end of each support plate (17) and is equipped with in the back end of car and is equipped with restraint (17;
the utility model provides a battery pack, including outer box (24) front end, outer box (24) front end is equipped with impact board (9) of vertical setting, impact board (9) top rigid coupling has level to set up and go up support frame (5) to the tail extension, connecting piece (19) include a plurality of with the connecting cylinder (23) of storage chamber incline direction the same and with backup pad (17) rigid coupling, connecting cylinder (23) run through outer box (24) bottom plate, a plurality of spheroid (22) are installed to the part that connecting cylinder (23) are located outer box (24) bottom plate top, every connecting cylinder (23) correspond to insert one pin (21), pin (21) are inserted promote when connecting cylinder (23) the partly outstanding connecting cylinder (23) outer peripheral face of spheroid (22), pin (21) break away from thrust disappearance when connecting cylinder (23) spheroid (22) fall into in connecting cylinder (23), every pin (21) all are connected with last support frame (5) through stay cord (20), and automobile impact back second shell (14) bottom is in the inside of the uncovered state of outer shell (14) from the outside of the battery pack (14).
2. The battery box body of the new energy automobile according to claim 1, wherein a first connecting block (12) is fixedly connected to the bottom of the battery module in the first shell (11), one end of the first connecting block (12) is supported at the bottom of the battery module, the other end of the first connecting block is supported above the bottom plate of the outer box body (24), and the first connecting block (12) is fixedly connected with the bottom plate of the outer box body (24) through a first bolt (13);
and/or be located the inside battery module bottom rigid coupling of second shell (14) has second connecting block (15), second connecting block (15) one end support is in battery module bottom, one end support is above backup pad (17), second connecting block (15) pass through second bolt (16) and backup pad (17) rigid coupling.
3. A battery box for a new energy vehicle according to claim 1, wherein the second housing (14) has a plurality of rollers (18) mounted on an inner wall thereof.
4. The battery box body of the new energy automobile according to claim 1, wherein a push rod (1) for pushing the battery module to move downwards is arranged at the opening position at the top end of each second shell (14), the push rod (1) penetrates through the top cover (4) and is connected with the top cover (4) in a sliding mode, a spring (3) is connected between the push rod (1) and the top cover (4), wedge-shaped blocks (2) are arranged at positions, corresponding to the push rod (1), of the bottom of the upper support frame (5), and when the upper support frame (5) moves towards the tail of the automobile, the wedge-shaped blocks (2) push the push rod (1) to move downwards.
5. The battery box of the new energy automobile according to any one of claims 1 to 4, wherein the front end of the outer box (24) is provided with a thin-wall box (8), the thin-wall box (8) is communicated with the inner cavity of the outer box (24) through a vent hole (6), a compression air bag (10) is arranged in the thin-wall box (8), and flame-retardant gas is filled in the compression air bag (10).
6. The battery box body of the new energy automobile according to claim 5, wherein the flame retardant gas is carbon dioxide, and the inner wall of the thin-wall box body (8) is provided with a spike protrusion (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111054734.4A CN113782895B (en) | 2021-09-09 | 2021-09-09 | New energy automobile battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111054734.4A CN113782895B (en) | 2021-09-09 | 2021-09-09 | New energy automobile battery box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113782895A CN113782895A (en) | 2021-12-10 |
| CN113782895B true CN113782895B (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111054734.4A Active CN113782895B (en) | 2021-09-09 | 2021-09-09 | New energy automobile battery box |
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| CN (1) | CN113782895B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115000607B (en) * | 2022-06-21 | 2023-05-09 | 南通耐维特电源有限公司 | Lithium battery assembly with anti-impact function |
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| JPH09257826A (en) * | 1995-06-07 | 1997-10-03 | Automot Technol Internatl Inc | Air damping type collision sensor and manufacture thereof |
| WO2018113301A1 (en) * | 2016-12-21 | 2018-06-28 | 杨雅 | Mechanical vehicle intercepting and stopping strip |
| CN110137410A (en) * | 2018-02-08 | 2019-08-16 | 宁德时代新能源科技股份有限公司 | Check valve, top cap subassembly, box and battery module |
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| CN113782895A (en) | 2021-12-10 |
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