CN111341959B

CN111341959B - A battery box anticollision structure for lithium battery power supply system

Info

Publication number: CN111341959B
Application number: CN202010137377.7A
Authority: CN
Inventors: 郭凯; 杨玫; 朱海; 靖恒昌; 杨芳; 刘汝霞; 杨杰
Original assignee: Henan Jianhang Energy Technology Co ltd
Current assignee: Henan Jianhang Energy Technology Co ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2022-04-15
Anticipated expiration: 2040-02-28
Also published as: CN111341959A

Abstract

The invention discloses a battery box anti-collision structure for a lithium battery power supply system, which comprises a main supporting seat, a side connecting wall, a fastening component, a damping component, a protective side plate and a fixed clapboard, two supporting blocks are respectively fixed on the left side and the right side of the lower end surface of the main supporting seat through screws, four side connecting walls are embedded and fixed on the periphery of the upper end surface of the main supporting seat to form a battery accommodating cavity, a fixed clapboard is arranged in the middle position in the battery accommodating cavity, so that the battery accommodating cavity is divided into two chambers for fixing two groups of lithium battery power packs, two fastening components are symmetrically arranged on the inner sides of the side connecting walls on the left side and the right side, the fastening components and the fixed partition plate fixedly install the lithium battery power pack in the battery box, the protection side plates are symmetrically arranged in the side connecting walls at the front end and the rear end, and a damping assembly is arranged in the middle of the upper end face of the main supporting seat.

Description

A battery box anticollision structure for lithium battery power supply system

Technical Field

The invention relates to the technical field of lithium battery protection, in particular to a battery box anti-collision structure for a lithium battery power supply system.

Background

The lithium battery is a power supply that has high energy density, low pollution, cycle life is high, no memory effect, can quick charge along with the continuous development in markets such as new energy automobile, electric wire netting energy storage, communication base station, the application market of lithium battery is also expanding further, when using, generally can neatly place multiunit lithium cell in the battery box, and current battery box generally only possesses the holding function, when the vehicle receives the striking, the box of battery box extremely easily receives the impact and warp, cause the power battery to damage, consequently it is necessary to propose a battery box anticollision structure for lithium battery electrical power generating system, in order to solve above-mentioned problem.

Disclosure of Invention

In order to achieve the purpose, the invention provides the following technical scheme: a battery box anti-collision structure for a lithium battery power supply system comprises a main supporting seat, a side connecting wall, a fastening assembly, a damping assembly, a protective side plate and a fixed partition plate, two supporting blocks are respectively fixed on the left side and the right side of the lower end surface of the main supporting seat through screws, four side connecting walls are embedded and fixed on the periphery of the upper end surface of the main supporting seat to form a battery accommodating cavity, a fixed clapboard is arranged in the middle position in the battery accommodating cavity, so that the battery accommodating cavity is divided into two chambers, used for fixing two groups of lithium battery power packs, two fastening components are symmetrically arranged on the inner sides of the side connecting walls on the left side and the right side, the fastening assembly and the fixed partition plate fixedly install the lithium battery power supply pack in the battery box, the protection side plates are symmetrically installed inside the side connecting walls at the front end and the rear end, and the damping assembly is arranged in the middle of the upper end face of the main support seat.

As a preferable technical scheme of the invention, the fastening assembly comprises a fixed clamping plate, a clamping piece, a pressing device and a pressure sensor, the clamping piece and the pressing device are both arranged on the fixed clamping plate and are fixed with the side connecting wall through the fixed clamping plate, the fixed clamping plate is fixed with the side connecting wall through a connecting piece, the connecting piece is of a two-section sleeve type structure, so that relative sliding is generated between the fixed clamping plate and the side connecting wall, an elastic air bag is arranged between the fixed clamping plate and the side connecting wall, the elastic air bag supplies air inwards through an external air pressure pump, two pressure sensors are vertically fixed on one side of the fixed clamping plate close to the elastic air bag from top to bottom, the pressure sensors measure contact pressure between the lithium battery power supply pack and the fastening assembly as well as the fixed separating plate, so as to conveniently regulate and control the air pressure inside the elastic air bag, and the pressing device comprises a fixing piece, Connecting spring and bracing piece, one side that the solid fixed splint leaned on near side connection wall is arranged from top to bottom and is fixed with two mountings, sliding connection has the bracing piece in the mounting, connecting spring sets up in the mounting for connecting support pole and mounting, and with the ejecting mounting outside of one end of bracing piece under general state, the other end of bracing piece rotates and is connected with the holder, the transversal zigzag of personally submitting of holder, circular through-hole has been seted up on the terminal surface of holder, the holder passes circular through-hole through the screw and articulates with solid fixed splint mutually.

As a preferred technical scheme of the invention, the fixed baffle comprises a first baffle, a second baffle and a buffer assembly, the first baffle and the second baffle are mutually attached and fixed, a plurality of fixing grooves are formed in the end surface of the first baffle opposite to the second baffle, the buffer assembly is fixedly arranged in the fixing grooves, the buffer assembly comprises an arc-shaped template, a supporting column, a rear pressing seat and a contact head, the rear pressing seat is embedded in the fixing grooves and fixed with the arc-shaped template, the cross section of the arc-shaped template is of an inward concave structure, the supporting column is provided with a plurality of groups and fixedly arranged on the inward concave surface of the arc-shaped template, the other end of the supporting column is provided with the contact head, and the end surface of one side of the contact head close to a lithium battery power supply pack is a friction surface.

As a preferred technical scheme of the invention, the protective side plates are provided with four blocks which are evenly distributed on the two side connecting walls, one side end face of each protective side plate is tightly attached to the side connecting wall, and the other side end face of each protective side plate is provided with two sponge sheets in parallel.

As a preferred technical solution of the present invention, the damping assembly includes a main support plate, a fixed plate, reinforcing struts, and a damping plate, two ends of the fixed plate are respectively fixed to the side connection walls, a space is left between the fixed plate and the main support seat to form a sliding cavity, the main support plate is slidably connected in the fixed plate, a plurality of reinforcing struts are uniformly arranged on an upper end surface of the main support seat, two adjacent reinforcing struts are respectively fixed to two ends of the damping plate, the damping plate protrudes outward to a side away from the main support seat and contacts with a lower surface of the main support plate to push the main support plate out of the sliding cavity, the damping plate includes an outer plate, a micro spring, and an inner plate, cross sections of the outer plate and the inner plate are concentric, and a plurality of micro springs are disposed between the outer plate and the inner plate.

As a preferred technical scheme of the invention, the outer plate is made of plastic and has high flexibility, the inner plate is made of low-carbon iron, and the compressive strength of the inner plate is far greater than that of the outer plate.

Compared with the prior art, the invention provides a battery box anti-collision structure for a lithium battery power supply system, which has the following beneficial effects:

1. according to the invention, the fastening assembly is arranged in the battery box, so that the fastening and clamping of the lithium battery power pack are realized, and the fixing partition plates are arranged among the lithium battery packs, so that the batteries can be effectively separated and fixed;

2. according to the invention, the protective side plates are arranged on the side connecting walls at the front side and the rear side, so that the protection performance of the lithium battery is improved, the damping component is arranged on the upper end surface of the main supporting seat, the vibration from the outside is reduced, the lithium battery is prevented from being affected by the vibration to cause poor contact, and the anti-collision effect is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the fastener assembly of the present invention;

FIG. 3 is an enlarged view of the point B in FIG. 1;

FIG. 4 is an enlarged view of the point A in FIG. 1;

in the figure: 1. a main supporting seat; 2. a side connecting wall; 3. a fastening assembly; 301. a clamping member; 302. fixing the clamping plate; 303. a support bar; 304. a connecting spring; 305. a pressure sensor; 306. a fixing member; 307. a circular through hole; 308. a connecting member; 4. a protective side plate; 401. a sponge sheet; 5. fixing the partition board; 501. a first clapboard; 502. a second clapboard; 503. a contact head; 504. a support pillar; 505. an arc-shaped template; 506. fixing grooves; 507. a rear pressing seat; 6. an elastic air bag; 7. a support block; 701. a screw; 8. a shock absorbing assembly; 801. a fixing plate; 802. a reinforcing strut; 803. a sliding cavity; 804. an inner layer board; 805. a micro-spring; 806. an outer plate; 807. the main supporting plate.

Detailed Description

Referring to fig. 1, the present invention provides a technical solution: a battery box anti-collision structure for a lithium battery power supply system comprises a main support seat 1, side connecting walls 2, fastening components 3, a damping component 8, protective side plates 4 and a fixed partition plate 5, wherein the left side and the right side of the lower end surface of the main support seat 1 are respectively fixed with two support blocks 7 through screws 701, four side connecting walls 2 are embedded and fixed on the periphery of the upper end surface of the main support seat 1 to form a battery accommodating cavity, the fixed partition plate 5 is arranged at the middle position in the battery accommodating cavity to divide the battery accommodating cavity into two cavities for fixing two groups of lithium battery power supplies, two fastening components 3 are symmetrically installed on the inner sides of the side connecting walls 2 on the left side and the right side, the fastening components 3 and the fixed partition plate 5 fixedly install the lithium battery power supplies in a battery box, the protective side plates 4 are symmetrically installed inside the side connecting walls 2 at the front end and the rear end, the upper end face middle position of main tributary support seat 1 is provided with damper 8, carries out the centre gripping through fastening assembly to one side of lithium cell fixed, and the opposite side utilizes fixed stop to keep apart fixedly, has higher fastness, and damper receives under the condition of striking at the battery box, reduces inside vibrations, reaches the buffering effect.

Referring to fig. 2, in the present embodiment, the fastening assembly 3 includes a fixing clamp plate 302, a clamping member 301, a biasing device, and a pressure sensor 305, the clamping member 301 and the biasing device are both disposed on the fixing clamp plate 302 and fixed to the side connecting wall 2 through the fixing clamp plate 302, the fixing clamp plate 302 is fixed to the side connecting wall 2 through a connecting member 308, the connecting member 308 is of a two-section sleeve type structure, so that relative sliding between the fixing clamp plate 302 and the side connecting wall 2 is generated, an elastic air bag 6 is disposed between the fixing clamp plate 302 and the side connecting wall 2, the elastic air bag 6 supplies air internally through an external air pressure pump, two pressure sensors 305 are vertically fixed on one side of the fixing clamp plate 302 near the elastic air bag 6, the pressure sensors 305 measure contact pressures between the lithium battery power pack and the fastening assembly 3 and the fixing partition 5, so as to regulate and control the air pressure inside the elastic air bag 6, the elastic pressing device comprises a fixing piece 306, a connecting spring 304 and a supporting rod 303, two fixing pieces 306 are arranged and fixed on one side of the fixing splint 302 close to the side connecting wall 2 from top to bottom, the supporting rod 303 is connected in the fixing piece 306 in a sliding way, the connecting spring 304 is arranged in the fixing piece 306 and is used for connecting the supporting rod 303 with the fixing piece 306, one end of the supporting rod 303 is ejected out of the fixing piece 306 in a general state, the other end of the supporting rod 303 is rotatably connected with a clamping piece 301, the cross section of the clamping piece 301 is Z-shaped, a circular through hole 307 is arranged on the end surface of the clamping piece 301, the clamping piece 301 passes through the circular through hole 307 through a screw to be hinged with the fixing splint 302, the elastic air bag is arranged between the fixing splint and the side connecting wall, and the elastic air bag is inflated, thereby the interval between control solid fixed splint and the fixed stop reaches the effect to the lithium cell fastening, utilizes the holder can effectively carry out the centre gripping to lithium cell one end, prevents that the lithium cell from receiving the impact to pop out.

Referring to fig. 3, in this embodiment, the fixed partition board 5 includes a first partition board 501, a second partition board 502 and a buffer assembly, the first partition board 501 and the second partition board 502 are attached to each other, a plurality of fixing grooves 506 are formed in opposite end surfaces of the first partition board 501 and the second partition board 502, the buffer assembly is fixedly disposed in the fixing grooves 506, the buffer assembly includes an arc-shaped template 505, a supporting pillar 504, a rear pressing seat 507 and a contact head 503, the rear pressing seat 507 is embedded in the fixing grooves 506, the rear pressing seat 507 is fixed to the arc-shaped template 505, a cross section of the arc-shaped template 505 is a concave structure, the supporting pillar 504 is provided with a plurality of sets and is fixedly mounted on a concave surface of the arc-shaped template 505, the contact head 503 is disposed at the other end of the supporting pillar 504, a side end surface of the contact head 503 close to a power supply group of a lithium battery is a friction surface, the lithium battery is buffered and damped by the plurality of sets of buffer assemblies, has high coordination.

In this embodiment, the protection curb plate 4 is equipped with four, and evenly distributed is on two side connection walls 2, a lateral surface of protection curb plate 4 and side connection wall 2 closely laminate, the opposite side terminal surface parallel arrangement of protection curb plate 4 has two sponge thin slices 401.

Referring to fig. 4, in the present embodiment, the damping assembly 8 includes a main supporting plate 807, a fixing plate 801, reinforcing struts 802, and a damping plate, two ends of the fixing plate 801 are respectively fixed to the side connecting walls 2, a space is left between the fixing plate 801 and the main supporting seat 1 to form a sliding cavity 803, the main supporting plate 807 is slidably connected in the fixing plate 801, a plurality of reinforcing struts 802 are uniformly arranged on an upper end surface of the main supporting seat 1, two adjacent reinforcing struts 802 are respectively fixed to two ends of the damping plate, the damping plate protrudes outward from a side away from the main supporting seat 1 and contacts with a lower surface of the main supporting plate 807 to push the main supporting plate out of the sliding cavity, the damping plate includes an outer plate 806, a micro-spring 805, and an inner plate 804, the plate 806 and the inner plate 804 are concentric circular in cross section, a plurality of micro-springs 805 are disposed between the outer plate 806 and the inner plate 804, two groups of damping plates are arranged on the upper end face of the main supporting seat, so that the damping efficiency can be effectively improved.

In this embodiment, the outer plate 806 is made of plastic and has high flexibility, the inner plate 804 is made of low-carbon iron, and the compressive strength of the inner plate is much greater than that of the outer plate.

Specifically, when using, earlier it is fixed with the one end of lithium battery power through the holder, the other end is kept apart fixedly through fixed stop plate, rethread peripheral hardware air pump is aerifyd elastic airbag, when pressure sensor detects appropriate pressure value, stop to aerify, the lithium cell is fixed completely in the battery box this moment, when the outside receives the striking, the last buffer unit of fixed stop plate reduces the impact force about the lithium cell on the one hand, on the other hand protection curb plate prevents rocking around the lithium cell, when the lithium cell has certain up-and-down fluctuation vibrations, the shock attenuation board reduces vibrations through inboard micro spring, thereby reach the mesh of anticollision, crashproof performance is strong.

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 person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept within the technical scope of the present invention, and the technical solution and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a battery box anticollision structure for lithium battery power supply system, its includes main tributary seat (1), side connection wall (2), fastening components (3), damper (8), protection curb plate (4) and fixed stop (5), its characterized in that: the left side and the right side of the lower end face of the main support seat (1) are respectively fixed with two support blocks (7) through screws (701), four side connecting walls (2) are embedded and fixed on the periphery of the upper end face of the main support seat (1) to form a battery accommodating cavity, a fixing partition plate (5) is arranged in the middle of the battery accommodating cavity, so that the battery accommodating cavity is divided into two cavities for fixing two groups of lithium battery power packs, two fastening assemblies (3) are symmetrically arranged on the inner sides of the side connecting walls (2) on the left side and the right side, the lithium battery power packs are fixedly arranged in a battery box through the fastening assemblies (3) and the fixing partition plate (5), protective side plates (4) are symmetrically arranged in the side connecting walls (2) at the front end and the rear end, and a damping assembly (8) is arranged in the middle of the upper end face of the main support seat (1);

the fastening assembly (3) comprises a fixed clamping plate (302), a clamping piece (301), a spring pressing device and a pressure sensor (305), wherein the clamping piece (301) and the spring pressing device are arranged on the fixed clamping plate (302) and are fixed with the side connecting wall (2) through the fixed clamping plate (302), the fixed clamping plate (302) is fixed with the side connecting wall (2) through a connecting piece (308), the connecting piece (308) is of a two-section sleeve type structure, so that relative sliding is generated between the fixed clamping plate (302) and the side connecting wall (2), an elastic air bag (6) is arranged between the fixed clamping plate (302) and the side connecting wall (2), the elastic air bag (6) supplies air through an external air pressure pump, two pressure sensors (305) are vertically fixed on the upper side and the lower side of the fixed clamping plate (302) close to the elastic air bag (6), and the pressure sensor (305) measures the lithium battery power supply and the fastening assembly (3) and a fixed partition plate (5) The contact pressure between the elastic air bag and the base is convenient for regulating and controlling the air pressure inside the elastic air bag (6), the elastic device comprises a fixing piece (306), a connecting spring (304) and a supporting rod (303), two fixing pieces (306) are vertically arranged and fixed on one side of the fixing splint (302) close to the side connecting wall (2), the fixing piece (306) is connected with a support rod (303) in a sliding way, the connecting spring (304) is arranged in the fixing piece (306), used for connecting the supporting rod (303) and the fixing piece (306), and ejecting one end of the supporting rod (303) out of the fixing piece (306) under a normal state, the other end of the supporting rod (303) is rotatably connected with a clamping piece (301), the cross section of the clamping piece (301) is Z-shaped, a circular through hole (307) is formed in the end face of the clamping piece (301), and the clamping piece (301) penetrates through the circular through hole (307) through a screw to be hinged with the fixed clamping plate (302);

the fixed baffle plate (5) comprises a first baffle plate (501), a second baffle plate (502) and a buffer assembly, the first baffle plate (501) and the second baffle plate (502) are mutually attached and fixed, a plurality of fixing grooves (506) are formed in the opposite end faces of the first baffle plate (501) and the second baffle plate (502), the buffer assembly is fixedly arranged in the fixing grooves (506), the buffer assembly comprises an arc-shaped template (505), a supporting pillar (504), a rear pressing seat (507) and a contact head (503), the rear pressing seat (507) is embedded in the fixing grooves (506), the rear pressing seat (507) is fixed with the arc-shaped template (505), the cross section of the arc-shaped template (505) is of an inwards concave structure, the supporting pillar (504) is provided with a plurality of groups and is fixedly installed on the inwards concave surface of the arc-shaped template (505), the other end of the supporting pillar (504) is provided with the contact head (503), the end face of one side of the contact head (503), which is close to the lithium battery power pack, is a friction surface.

2. The battery box anti-collision structure for the lithium battery power supply system according to claim 1, characterized in that: protection curb plate (4) are equipped with four, and evenly distributed is on two side connection wall (2), a side end face and the side connection wall (2) of protection curb plate (4) closely laminate, the opposite side terminal surface parallel arrangement of protection curb plate (4) has two sponge thin slices (401).

3. The battery box anti-collision structure for the lithium battery power supply system according to claim 1, characterized in that: the damping component (8) comprises a main support plate (807), a fixing plate (801), reinforcing struts (802) and a damping plate, wherein two ends of the fixing plate (801) are respectively fixed with a side connecting wall (2), a space is reserved between the fixing plate (801) and the main support seat (1) to form a sliding cavity (803), the main support plate (807) is connected in the fixing plate (801) in a sliding manner, a plurality of reinforcing struts (802) are uniformly arranged on the upper end face of the main support seat (1), two adjacent reinforcing struts (802) are respectively fixed with two ends of the damping plate, the damping plate protrudes outwards from one side far away from the main support seat (1) and is in contact with the lower surface of the main support plate (807) so as to push the main support plate (807) out of the sliding cavity, the damping plate comprises an outer plate (806), a micro spring (805) and an inner plate (804), the cross sections of the outer plate (806) and the inner plate (804) are of a concentric circle structure, a plurality of micro springs (805) are arranged between the outer plate (806) and the inner plate (804).

4. The battery box anti-collision structure for the lithium battery power supply system according to claim 3, characterized in that: the outer plate (806) is made of plastic and has high flexibility, the inner plate (804) is made of low-carbon iron, and the compressive strength of the inner plate is far greater than that of the outer plate.