CN113782895A - New energy automobile battery box - Google Patents
New energy automobile battery box Download PDFInfo
- Publication number
- CN113782895A CN113782895A CN202111054734.4A CN202111054734A CN113782895A CN 113782895 A CN113782895 A CN 113782895A CN 202111054734 A CN202111054734 A CN 202111054734A CN 113782895 A CN113782895 A CN 113782895A
- Authority
- CN
- China
- Prior art keywords
- box body
- outer box
- shells
- new energy
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
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 as a front end, one end, close to a vehicle tail, of the outer box body is defined as 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 sealed through 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 an opening, located below each second shell, of the bottom plate of the outer box body, each supporting plate is assembled with the outer box body in a restraining mode through a connecting piece, and restraint before the supporting plates and the outer box body disappear after an automobile collides. Receive the final adjacent battery module contactless or mutual extrusion force of compression back and will diminish, reduce the probability that the battery was crowded explosion, when whole box extrusion deformation, uncovered position is preferred to be out of shape, can avoid inside battery to extrude each other, can play the cushioning effect again.
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 automobile is exactly that battery module, for example lithium cell, probably leads to the explosion when receiving outside mechanical shock, when the car forward striking, can make whole automobile body length compression shorten, leads to squeezing each other between the battery, causes the battery to catch fire or explode, generally through the rigidity that increases the outer box of battery among the prior art, reduces the box and warp the problem that the back battery extrudes each other, and this kind of mode result of use is not good.
Disclosure of Invention
The invention aims to solve the problem that a new energy automobile battery is easy to explode due to extrusion in the prior art, and provides a new energy automobile battery box body.
In order to achieve the purpose, the invention adopts the following technical scheme:
a new energy automobile battery box body comprises an outer box body, wherein a top cover is arranged at the top of the outer box body, one end of the outer box body, which is close to a vehicle head, is defined as a front end, one end of the outer box body, which is close to a vehicle tail, is defined as a rear end, a plurality of first shells and a plurality of second shells are arranged in the outer box body, the first shells and the second shells are alternately distributed from the front end of the outer box body to the rear end of the outer box body, the first shells and the second shells 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 body, the top ends of the storage cavities are close to the rear end of the outer box body, the bottom end of the storage cavity of the first shell is blocked by a bottom plate of the outer box body, the bottom end of the storage cavity of the second shell is open, a support plate is arranged at an opening below each second shell, and is assembled with the outer box body in a restraining way through a connecting piece, the restraint before the support plate and the outer case disappears after the car impacts.
The utility model discloses a ball body, including outer box bottom plate, connecting piece, connecting cylinder, fender, outer box front end, upper bracket, connecting piece, and outer box bottom plate, fender, upper bracket, fender, lower bracket, upper bracket, connecting piece, and the connecting piece is equipped with the striking plate of vertical setting, striking plate top rigid coupling has the level to set up and extends to the rear of a vehicle, the connecting piece includes a plurality of and stores the same and with the connecting cylinder of backup pad rigid coupling of chamber incline direction, the connecting cylinder runs through outer box bottom plate, the part that the connecting cylinder is located outer box bottom plate top installs a plurality of spheroid, every the connecting cylinder correspondence is inserted and is equipped with a pin, the pin inserts promote when in the connecting cylinder the outstanding connecting cylinder outer peripheral face of spheroid, the pin breaks away from thrust disappears during the connecting cylinder in the spheroid falls into the connecting cylinder, every the pin all is connected with upper bracket through the stay cord.
The bottom of the battery module positioned in 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, the other 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 in the second shell is fixedly connected with a second connecting block, one end of the second connecting block is supported at the bottom of the battery module, and the other end of the second connecting block is supported above the supporting plate and 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 shell.
Every uncovered department in second shell top all is equipped with a push rod that is used for promoting battery module downstream, the push rod run through the top cap and with top cap sliding connection, be connected with the spring between push rod and the top cap, upper bracket bottom all is equipped with the wedge with the corresponding position of push rod, when upper bracket moved to the rear of a vehicle, the wedge promotes the push rod downstream.
The fire-retardant outer box comprises an outer box body and is characterized in that a thin-wall box body is installed at the front end of the outer box body and is communicated with an inner cavity of the outer box body through a vent hole, a compression air bag is arranged inside 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 spine bulge.
The invention provides a new energy automobile battery box body, which has the beneficial effects that: when length was compressed after the car striking, because inside battery module interval grow, receive the final adjacent battery module contactless or mutual extrusion force of compression back and will diminish, reduce the probability that the battery was crowded explosion, because second shell bottom is uncovered, when whole box extrusion deformation like this, uncovered position is preferred to be out of shape, can avoid inside battery to extrude each other, can play the cushioning effect again.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an enlarged structural diagram of a second housing according to the present invention.
In the figure: the device comprises a push rod 1, a wedge block 2, a spring 3, a top cover 4, an upper support frame 5, a vent hole 6, a spine bulge 7, a thin-wall box body 8, a striking plate 9, a compression air bag 10, a first shell 11, a first connecting block 12, a first bolt 13, a second shell 14, a second connecting block 15, a second bolt 16, a support plate 17, a roller 18, a connecting piece 19, a pull rope 20, a stop lever 21, a sphere 22, a connecting cylinder 23 and an outer box body 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, a new energy automobile battery box comprises an outer box 24, a top cover 4 is arranged on the top of the outer box 24, the end of the outer box 24 close to the automobile head is defined as a front end, the end close to the automobile tail 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 end of the storage cavity of the first shell 11 is blocked by a bottom plate of the outer box 24, the bottom end of the storage cavity of the second shell 14 is open, a support plate 17 is arranged at the opening of the bottom plate of the outer box 24 below each second shell 14, the support plate 17 is constrained and assembled with the outer box 24 by a connecting piece 19, after the automobile is impacted, the restraint between the supporting plate 17 and the outer box body 24 disappears, the connecting piece 19 can be made of a brittle material, and after the automobile is impacted, the connecting piece 19 is broken to make the restraining force disappear.
When the automobile impacts a front object, the restraint in front of the supporting plate 17 and the outer box body 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 shell storage cavity, the bottom end of the storage cavity is close to the front end of the outer box body 24, the top end of the storage cavity is close to the rear end of the outer box body 24, namely the storage cavity is arranged along the direction of the inertia force, after the restraint of 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 body 24 from the bottom end opening position of the second shell 14 under the action of the forward inertia, and as the battery module in the second shell 14 falls under the action of the inertia force, the inner cavity of the second shell 14 becomes a cavity, so that a cavity position is left between the adjacent battery modules in the first shell 11, when length was compressed after the car striking, because inside battery module interval grow, receive the final adjacent battery module contactless of compression back or mutual extrusion force will diminish, reduce the probability that the battery was crowded explosion, because second shell 14 bottom is uncovered, when whole box extrusion deformation like this, uncovered position is preferred to be out of shape, can avoid inside battery to extrude each other, can play the cushioning effect again.
Referring to fig. 2, the front end of the outer box 24 is provided with a vertically arranged impact plate 9, the top end of the impact plate 9 is fixedly connected with an upper support 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 have the same inclination direction with the storage cavity and are fixedly connected with the support plate 17, the connecting cylinders 23 penetrate through the bottom plate of the outer box 24, a plurality of balls 22 are arranged on the part of the connecting cylinders 23 which is positioned above the bottom plate of the outer box 24, each connecting cylinder 23 is correspondingly inserted with a stop lever 21, the stop levers 21 push the part of the balls 22 to protrude out of the outer peripheral surface of the connecting cylinder 23 when being inserted into the connecting cylinders 23, the push balls 22 fall into the connecting cylinders 23 when the stop levers 21 are separated from the connecting cylinders 23, each stop lever 21 is connected with the upper support frame 5 through a pull rope 20, when the balls 22 protrude out of the outer peripheral surface of the connecting cylinders 23, the connecting cylinders 23 cannot move downwards under the restriction action of the balls 22, when the support force of the stop levers 21 to the balls 22 disappears, the ball 22 will have difficulty restricting the downward movement of the connecting cylinder 23.
After the automobile collides with an object, the collision plate 9 drives the upper support frame 5 to move backwards, the upper support frame 5 pulls the stop lever 21 out of the connecting cylinder 23 through the pull rope 20, the limiting force of the sphere 22 on the connecting cylinder 23 disappears, the battery module and the support plate 17 inside the second shell 14 are separated from the outer box body 24 under the action of gravity and inertia force, and meanwhile, the battery can be prevented from falling off due to emergency braking.
In order to facilitate the battery module to be fixedly installed inside the casing, a first connecting block 12 is fixedly connected to the bottom of the battery module inside the first casing 11 and fixed through screws or strong glue, one end of the first connecting block 12 is supported at the bottom of the battery module, and the other end of the first connecting block 12 is supported above a bottom plate of the outer box body 24;
and/or a second connecting block 15 is fixedly connected to the bottom of the battery module inside the second housing 14, one end of the second connecting block 15 is supported at the bottom of the battery module, and the other end of the second connecting block 15 is supported above the supporting plate 17, and the second connecting block 15 is fixedly connected to the supporting plate 17 through a second bolt 16.
A plurality of rollers 18 are mounted on the inner wall of the second casing 14, and the rollers 18 reduce the friction between the battery module and the inner wall of the second casing 14, so that the battery module can fall off conveniently.
In order to further accelerate the battery module to break away from the second shell 14, an opening at the top end of each second shell 14 is provided with a push rod 1 used for pushing the battery module to move downwards, the push rod 1 penetrates through the top cover 4 and is connected with the top cover 4 in a sliding manner, a spring 3 is connected between the push rod 1 and the top cover 4, the bottom of the upper support frame 5 and the position corresponding to the push rod 1 are provided with a wedge block 2, when the upper support frame 5 moves towards the tail of the vehicle, the wedge block 2 pushes the push rod 1 to move downwards, when the upper support frame 5 moves backwards, the push rod 1 is pushed to move downwards through the wedge block 2, the push rod 1 is pushed to push the battery module inside the second shell 14 to break away from the second shell through the downward movement.
Thin-walled box 8 is installed to the front end of outer box 24, thin-walled box 8 communicates through air vent 6 and outer box 24 inner chamber, the inside compressed air bag 10 that is equipped with of thin-walled box 8, the flame retardant gas is equipped with in the compressed air bag 10, refer to fig. 2, when strikeing plate 9 backward movement, with thin-walled box 8 flat-pressing, the inside flame retardant gas of compressed air bag 10 gets into in the outer box 24, thin-walled box 8 and gasbag play the cushioning effect on the one hand, on the other hand plays naked light flame retardant efficiency, flame retardant gas is carbon dioxide, 8 inner walls of thin-walled box are equipped with spine arch 7.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any technical solutions, concepts and designs obtained by equivalent substitutions or changes of the technical solutions and the inventive concepts of the present invention by those skilled in the art within the technical scope of the present invention shall be covered by the scope of the present invention.
Claims (7)
1. The new energy automobile battery box body comprises an outer box body (24), wherein a top cover (4) is arranged at the top of the outer box body (24), and the new energy automobile battery box body is characterized in that one end, close to a vehicle head, of the outer box body (24) is defined as a front end, one end, close to a vehicle tail, of the outer box body 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 body (24), the first shells (11) and the second shells (14) are alternately distributed from the front end of the outer box body (24) to the rear end of the outer box body (24), storage cavities for storing battery modules are formed in the first shells (11) and the second shells (14), the storage cavities are obliquely arranged, the bottom ends of the storage cavities are close to the front end and the top end of the outer box body (24), the bottom ends of the storage cavities of the first shells (11) are plugged by bottom plates of the outer box body (24), the bottom ends of the storage cavities of the second shells (14) are open, the bottom plate of outer box (24) is located the uncovered department in every second shell (14) below and all is equipped with a backup pad (17), backup pad (17) pass through connecting piece (19) and outer box (24) restraint assembly together, the automobile impact back the restraint in advance of backup pad (17) and outer box (24) disappears.
2. The new energy automobile battery box body according to claim 1, characterized in that a vertically arranged impact plate (9) is arranged at the front end of the outer box body (24), an upper support frame (5) which is horizontally arranged and extends to the tail of the automobile is fixedly connected to the top end of the impact plate (9), the connecting piece (19) comprises a plurality of connecting cylinders (23) which are the same as the storage cavity in the inclined direction and are fixedly connected to the support plate (17), the connecting cylinders (23) penetrate through the bottom plate of the outer box body (24), a plurality of balls (22) are installed on the part of the connecting cylinders (23) above the bottom plate of the outer box body (24), a stop lever (21) is correspondingly inserted into each connecting cylinder (23), when the stop levers (21) are inserted into the connecting cylinders (23), the partial balls (22) are pushed to protrude out of the outer peripheral surface of the connecting cylinders (23), when the stop levers (21) are separated from the connecting cylinders (23), the pushing force disappears, and the balls (22) fall into the connecting cylinders (23), each stop lever (21) is connected with the upper support frame (5) through a pull rope (20).
3. The new energy automobile battery box body according to claim 1, characterized in that a first connecting block (12) is fixedly connected to the bottom of the battery module inside the first housing (11), one end of the first connecting block (12) is supported at the bottom of the battery module, and 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 to 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 is supported in battery module bottom, one end and is supported in backup pad (17) top, second connecting block (15) are through second bolt (16) and backup pad (17) rigid coupling.
4. The new energy automobile battery box body according to claim 1, characterized in that a plurality of rollers (18) are installed on the inner wall of the second shell (14).
5. The new energy automobile battery box body according to claim 2, characterized in that each open top end of the second housing (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 slidably connected with the top cover (4), a spring (3) is connected between the push rod (1) and the top cover (4), a wedge block (2) is arranged at a position corresponding to the push rod (1) at the bottom of the upper support frame (5), and when the upper support frame (5) moves to the tail of the automobile, the wedge block (2) pushes the push rod (1) to move downwards.
6. The new energy automobile battery box body according to any one of claims 1-5, characterized in that a thin-walled box body (8) is installed at the front end of the outer box body (24), the thin-walled box body (8) is communicated with the inner cavity of the outer box body (24) through a vent hole (6), a compression air bag (10) is arranged inside the thin-walled box body (8), and flame-retardant gas is filled in the compression air bag (10).
7. The new energy automobile battery box body according to claim 6, characterized in that the flame retardant gas is carbon dioxide, and the inner wall of the thin-wall box body (8) is provided with a spine 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 true CN113782895A (en) | 2021-12-10 |
| CN113782895B CN113782895B (en) | 2023-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111054734.4A Active CN113782895B (en) | 2021-09-09 | 2021-09-09 | New energy automobile battery box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113782895B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115000607A (en) * | 2022-06-21 | 2022-09-02 | 南通耐维特电源有限公司 | Lithium battery pack with anti-impact function |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113782895B (en) | 2023-05-26 |
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