CN213245511U

CN213245511U - Stable structure for lithium ion battery power system

Info

Publication number: CN213245511U
Application number: CN202022362378.XU
Authority: CN
Inventors: 尹剑; 候杰; 江鹏懿; 黄新蔚; 叶彬
Original assignee: Anhui Tongsheng Energy Technology Co ltd
Current assignee: Anhui Tongsheng Energy Technology Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-05-21
Anticipated expiration: 2030-10-22

Abstract

The utility model discloses a lithium ion battery is stable structure for driving system, including fixed plate and the battery box of setting in the fixed plate top, bolt fixedly connected with case lid is passed through at the top of battery box, the fixed frame of top fixedly connected with of fixed plate to the inside of fixed frame is provided with the buffering subassembly, and the inside of case lid is provided with stop gear, and the inside of battery box is provided with side stop gear and interval subassembly, the utility model relates to a battery fixing technology field. This lithium ion battery is stable structure for driving system, the battery module is separated with the interval subassembly, be favorable to the heat dissipation of battery module to the life of extension battery module, and be convenient for maintain battery driving system, go up stop gear and side stop gear and mutually support, make this stable structure can fix alone to each group battery module, prevent that the battery module from floating, improved stability, and then be favorable to improving the life of battery module.

Description

Stable structure for lithium ion battery power system

Technical Field

The utility model relates to a technical field is fixed to the battery, specifically is a lithium ion battery is stable structure for driving system.

Background

The power battery module is formed by stacking and assembling a plurality of battery cores into a module, and a plurality of power battery modules are arranged and installed in a battery box body, so that a power battery system is formed.

The patent with publication number CN208622828U discloses a power battery module mounting structure and power battery system, this scheme has increased the contact surface between power battery module and the module mount pad, increased the restriction to the degree of freedom in the horizontal direction, reduced the not hard up that probably takes place between power battery module and the module mount pad, and then increased the steadiness and the reliability that the power battery module was installed in the box, and increased the damping, increased the buffering, reduced the vibration and strikeed, but this reference case still exists following defect:

1) the adjacent battery modules are tightly attached together, so that the heat dissipation of the battery power system is not facilitated, and the service life of the battery power system is influenced;

2) adopt same structure to fix all battery module, if a certain battery module size has the error, this battery module can take place to float in the battery box to produce the collision with the battery box inner wall, it is fixed unstable, influence battery module's life.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a lithium ion battery is stable structure for driving system has solved and has hugged closely together between the adjacent battery module, is unfavorable for battery driving system's heat dissipation to and the battery module of unable fixed different specifications size, use the great problem of limitation.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a lithium ion battery is stable structure for driving system, includes the fixed plate and sets up the battery box in the fixed plate top, bolt fixedly connected with case lid is passed through at the top of battery box, the fixed frame of top fixedly connected with of fixed plate to the inside of fixed frame is provided with the buffering subassembly, the inside of case lid is provided with stop gear, the inside of battery box is provided with side stop gear and interval subassembly.

The spacing subassembly includes first baffle and second baffle, the right side fixedly connected with stop sleeve of first baffle to the gag lever post of the left side fixedly connected with and stop sleeve looks adaptation of second baffle, the one end that the second baffle was kept away from to the gag lever post runs through stop sleeve and extends to stop sleeve's inside, stop sleeve's top sliding connection has the U-shaped pole, gag lever post and stop sleeve are run through and extend to stop sleeve's below to the bottom of U-shaped pole.

Preferably, the front and the back of the inner wall of the battery box are fixedly connected with sliding plates, and sliding grooves matched with the sliding plates are formed in the front and the back of the first partition plate and the back of the second partition plate.

Preferably, go up the position mechanism and include the first threaded rod with the top threaded connection of case lid, the one end that first threaded rod is located the inside case lid is rotated and is connected with the top board to first threaded rod is located the first rotating block of the outside one end fixedly connected with of case lid.

Preferably, the side limiting mechanism comprises a second threaded rod connected with the right side of the battery box in a threaded manner, one end, located inside the battery box, of the second threaded rod is rotatably connected with a side pressing plate, and the second threaded rod is located at one end, located outside the battery box, of the second rotating block fixedly connected with.

Preferably, the buffering assembly comprises a limiting frame fixed at the bottom of the inner wall of the fixing frame, a spring is fixedly connected to the bottom of the inner wall of the limiting frame, a movable plate is fixedly connected to the top end of the spring, a supporting block is fixedly connected to the top of the movable plate, the top of the supporting block penetrates through the limiting frame and extends to the position above the limiting frame, and the top of the supporting block is fixedly connected with the bottom of the battery box.

Preferably, the bottom of battery box runs through fixed frame and extends to the inside of fixed frame, the positive fixedly connected with mounting panel of battery box, the positive fixedly connected with heat dissipation fan of mounting panel.

Advantageous effects

The utility model provides a lithium ion battery is stable structure for driving system. Compared with the prior art, the method has the following beneficial effects:

(1) this lithium ion battery is stable structure for driving system, inside through the case lid is provided with stop gear, the inside of battery box is provided with the interval subassembly, the interval subassembly includes first baffle and second baffle, the right side fixedly connected with stop sleeve of first baffle, and the left side fixedly connected with of second baffle and the gag lever post of stop sleeve looks adaptation, stop sleeve's top sliding connection has the U-shaped pole, the battery module separates with the interval subassembly, be favorable to the heat dissipation of battery module, thereby the life of extension battery module, when needs change a certain set of battery module, only need open the case lid, take out the U-shaped pole on the interval subassembly that will correspond the position, can take out this battery module and change, be convenient for maintain battery driving system.

(2) This lithium ion battery is stable structure for driving system, fixed frame through the top fixedly connected with of fixed plate, and the inside of fixed frame is provided with buffering subassembly, the inside of case lid is provided with stop gear, the inside of battery box is provided with side stop gear, it mutually supports with side stop gear to go up stop gear, make this stable structure can fix alone to each group battery module, prevent that the battery module from floating, improved stability, and then be favorable to improving the life of battery module.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of the substrate of FIG. 2;

fig. 4 is a side sectional view of the present invention;

fig. 5 is a perspective view of the fixing plate, the fixing frame and the buffer assembly of the present invention;

fig. 6 is an exploded view of the spacer assembly of the present invention;

fig. 7 is a cross-sectional view of the cushioning assembly of the present invention.

In the figure: the device comprises a fixing plate 1, a battery box 2, a box cover 3, a fixing frame 4, a buffering assembly 5, a limiting frame 51, a spring 52, a movable plate 53, a supporting block 54, an upper limiting mechanism 6, a first threaded rod 61, an upper pressing plate 62, a first rotating block 63, a side limiting mechanism 7, a second threaded rod 71, a side pressing plate 72, a second rotating block 73, an interval assembly 8, a first partition plate 81, a second partition plate 82, a limiting sleeve 83, a limiting rod 84, a U-shaped rod 85, a sliding plate 9, a sliding groove 10, a mounting plate 11 and a heat dissipation fan 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a stabilizing structure for a lithium ion battery power system comprises a fixing plate 1 and a battery box 2 arranged above the fixing plate 1, wherein the bottom of the battery box 2 penetrates through the fixing frame 4 and extends into the fixing frame 4, the front of the battery box 2 is fixedly connected with a mounting plate 11, the front of the mounting plate 11 is fixedly connected with a heat dissipation fan 12, the mounting plate 11 can be selectively mounted or not mounted according to the heat dissipation condition of the battery power system, the heat dissipation fan 12 can accelerate the air circulation between adjacent battery modules, so that the heat dissipation purpose is achieved, the front and the back of the inner wall of the battery box 2 are fixedly connected with sliding plates 9, the front and the back of a first partition plate 81 and a second partition plate 82 are respectively provided with a sliding groove 10 matched with the sliding plates 9, the top of the battery box 2 is fixedly connected with a box cover 3 through bolts, the top of the fixing plate 1 is fixedly connected with the fixing frame 4, the inside of case lid 3 is provided with stop gear 6, stop gear 6 can carry out spacing on the upper and lower side to the battery module, stop gear 6 includes the first threaded rod 61 with the top threaded connection of case lid 3, first threaded rod 61 is located the inside one end of case lid 3 and rotates and is connected with top board 62, and first threaded rod 61 is located the outside one end fixedly connected with first turning block 63 of case lid 3, the inside of battery box 2 is provided with side stop gear 7 and interval subassembly 8, side stop gear 7 can carry out spacing on the left and right sides direction to the battery module, side stop gear 7 includes the second threaded rod 71 with the right side threaded connection of battery box 2, the inside one end rotation that second threaded rod 71 is located battery box 2 is connected with side pressure board 72, the outside one end fixedly connected with second turning block 73 of second threaded rod 71 is located battery box 2.

Referring to fig. 2-4 and fig. 6, the spacing assembly 8 includes a first partition plate 81 and a second partition plate 82, a limiting sleeve 83 is fixedly connected to the right side of the first partition plate 81, a limiting rod 84 matched with the limiting sleeve 83 is fixedly connected to the left side of the second partition plate 82, one end of the limiting rod 84, which is far away from the second partition plate 82, penetrates through the limiting sleeve 83 and extends into the limiting sleeve 83, a U-shaped rod 85 is slidably connected to the top of the limiting sleeve 83, the bottom end of the U-shaped rod 85 penetrates through the limiting rod 84 and the limiting sleeve 83 and extends to the lower side of the limiting sleeve 83, and the spacing assembly 8 can prevent two adjacent battery modules from being tightly attached to each other, thereby facilitating heat dissipation of the battery modules and prolonging service life of the battery modules.

Referring to fig. 7, the buffering assembly 5 includes a limiting frame 51 fixed at the bottom of the inner wall of the fixed frame 4, a spring 52 is fixedly connected to the bottom of the inner wall of the limiting frame 51, a movable plate 53 is fixedly connected to the top end of the spring 52, a supporting block 54 is fixedly connected to the top of the movable plate 53, the top of the supporting block 54 penetrates through the limiting frame 51 and extends to the upper side of the limiting frame 51, the top of the supporting block 54 is fixedly connected to the bottom of the battery box 2, and the buffering assembly 5 can buffer and damp the battery module, thereby being beneficial to prolonging the service life of the battery power system.

In use, the fixing plate 1 is fixed at the corresponding obtained position by using bolts, and then 4 battery modules are placed at the corresponding positions as shown in fig. 2, simultaneously, the upper and the lower second rotating blocks 73 are rotated to rotate the second threaded rod 71, so as to drive the side pressure plate 72 to move, pressure is applied to the rightmost battery module, and the battery modules and the spacing members 8 are pressed against each other, the battery module is limited in the left-right direction, then the box cover 3 is fixed on the top of the battery box 2 by using bolts, the first rotating block 63 is rotated to rotate the first threaded rod 61, and further the upper pressure plate 62 is driven to move, exert decurrent pressure to the battery module to the realization is to the spacing of battery module upper and lower direction, thereby fixes each battery module alone, prevents to take place the phenomenon of floating, passes through the bolt fastening with mounting panel 11 at last in the front of battery box 2, and for 12 circular telegrams of heat dissipation fan can.

When a certain battery module needs to be replaced, the bolt between the box cover 3 and the battery box 2 is firstly screwed off, the box cover 3 is opened, the limit of the battery module in the vertical direction disappears, then the U-shaped rod 85 on one side of the battery module is pulled out, the first partition plate 81 and the second partition plate 82 lose the limit at the moment and are drawn close to the middle, then the limiting rod 84 moves towards the inside of the limiting sleeve 83, the limit of the battery module in the left-right direction disappears, the battery module can be directly pulled out from the battery box 2 for replacement, after the replacement, the U-shaped rod 85 is inserted again, and the box cover 3 is covered and fixed.

In the use, when battery power system used in the environment of vibration, can make fixed plate 1 take place the vibration, fixed plate 1 drives fixed frame 4 vibration, transmits the vibration for buffering subassembly 5 then, and spacing frame 51 vibrates along with fixed frame 4 this moment, offsets partial vibrational force under the effect of spring 52 to reduce the vibrational force that fly leaf 53 and supporting shoe 54 received, and then play the cushioning effect to battery box 2, reach the purpose of damping.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lithium ion battery is stable structure for driving system, includes fixed plate (1) and sets up battery box (2) in fixed plate (1) top, bolt fixedly connected with case lid (3), its characterized in that are passed through to the top of battery box (2): the top of the fixed plate (1) is fixedly connected with a fixed frame (4), a buffer assembly (5) is arranged inside the fixed frame (4), an upper limiting mechanism (6) is arranged inside the box cover (3), and a side limiting mechanism (7) and a spacing assembly (8) are arranged inside the battery box (2);

spacing subassembly (8) include first baffle (81) and second baffle (82), the right side fixedly connected with stop sleeve (83) of first baffle (81) to the left side fixedly connected with of second baffle (82) and stop lever (84) of stop sleeve (83) looks adaptation, the one end that second baffle (82) were kept away from in stop lever (84) runs through stop sleeve (83) and extends to the inside of stop sleeve (83), the top sliding connection of stop sleeve (83) has U-shaped pole (85), the bottom of U-shaped pole (85) runs through stop lever (84) and stop sleeve (83) and extends to the below of stop sleeve (83).

2. The stabilization structure for a lithium ion battery power system according to claim 1, characterized in that: the front and the back of the inner wall of the battery box (2) are fixedly connected with sliding plates (9), and sliding grooves (10) matched with the sliding plates (9) are formed in the front and the back of the first partition plate (81) and the second partition plate (82).

3. The stabilization structure for a lithium ion battery power system according to claim 1, characterized in that: go up stop gear (6) including first threaded rod (61) with the top threaded connection of case lid (3), first threaded rod (61) are located the inside one end of case lid (3) and rotate and are connected with top board (62) to first threaded rod (61) are located the outside first rotating block (63) of one end fixedly connected with of case lid (3).

4. The stabilization structure for a lithium ion battery power system according to claim 1, characterized in that: side stop gear (7) include with battery box (2) right side threaded connection's second threaded rod (71), second threaded rod (71) are located the inside one end of battery box (2) and rotate and are connected with side pressure board (72), second threaded rod (71) are located the outside one end fixedly connected with second turning block (73) of battery box (2).

5. The stabilization structure for a lithium ion battery power system according to claim 1, characterized in that: the buffer assembly (5) comprises a limiting frame (51) fixed to the bottom of the inner wall of the fixing frame (4), a spring (52) is fixedly connected to the bottom of the inner wall of the limiting frame (51), a movable plate (53) is fixedly connected to the top end of the spring (52), a supporting block (54) is fixedly connected to the top of the movable plate (53), the top of the supporting block (54) penetrates through the limiting frame (51) and extends to the upper portion of the limiting frame (51), and the top of the supporting block (54) is fixedly connected with the bottom of the battery box (2).

6. The stabilization structure for a lithium ion battery power system according to claim 1, characterized in that: the bottom of battery box (2) runs through fixed frame (4) and extends to the inside of fixed frame (4), the positive fixedly connected with mounting panel (11) of battery box (2), the positive fixedly connected with heat dissipation fan (12) of mounting panel (11).