CN217934108U

CN217934108U - Lithium battery protection board structure convenient to installation

Info

Publication number: CN217934108U
Application number: CN202221285752.3U
Authority: CN
Inventors: 李博; 王鑫; 玉曙光
Original assignee: Anhui Zhitong New Energy Co ltd
Current assignee: Anhui Zhitong New Energy Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-11-29
Anticipated expiration: 2032-05-25

Abstract

The utility model discloses a lithium battery protection plate structure convenient to install, including two covers that are symmetrically arranged, the top of two covers is provided with a handle, the both sides of the handle are all fixedly connected with buckles, the top of two covers are all fixedly provided with clamping arms, the buckles are all movably mounted inside the clamping arms, one side of the top of the cover is provided with a plug connector, and the insides of the two covers are provided with protection mechanisms; the protection mechanism comprises two fixed sleeves which are symmetrically and fixedly arranged on the inner side of the cover body, and heat dissipation aluminum sheets are arranged at the tops of the two fixed sleeves. The utility model discloses a lower heat dissipation aluminum sheet customization of protection shield is made one kind can match with the module support heat dissipation aluminum sheet structure, has solved the lithium cell protection shield and need fix through the switching support when the installation, and the relatively more troublesome and relatively higher problem of cost of installation sets up through the left and right sides lid symmetry of lid to cooperation fagging and screw realize the quick installation to the lid, and stability is strong.

Description

Lithium battery protection shield structure convenient to installation

Technical Field

The utility model relates to an electric bicycle technical field especially relates to a lithium battery protection plate structure convenient to installation.

Background

The protection shield of lithium cell is fixed in the module with a special structure on, is connected through pencil and module and connector, and the connector is fixed in the upper cover, can with outside pencil UNICOM, externally provide the protection device of voltage, electric current, and its wide application detects excessive pressure, under-voltage, open circuit, the excess temperature of group battery in lithium cell group to play the effect that the protection battery improved battery life.

Present lithium battery protection shield is mostly to beat to glue fixedly on protection shield switching support when using, glues the protection shield on the switching support again, and it is fixed insecure, easily takes place not hard up to influenced the normal work of protection shield, meanwhile, switching support mounting is very troublesome, and the cost is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of insecurity in fixation and trouble in installation in the prior art, and providing a lithium battery protection plate structure convenient to install.

In order to realize the purpose, the utility model adopts the following technical scheme:

a lithium battery protection plate structure convenient to install comprises two cover bodies which are symmetrically arranged, wherein handles are arranged at the tops of the two cover bodies, buckles are fixedly connected to the two sides of each handle, clamping arms are fixedly arranged at the tops of the two cover bodies, the buckles are movably arranged inside the clamping arms, a plug connector is arranged at the top of one cover body, and a protection mechanism is arranged inside the two cover bodies;

protection mechanism includes that symmetry fixed mounting is at two inboard fixed covers of lid, two the top of fixed cover is equipped with the heat dissipation aluminum sheet, the top fixedly connected with protection shield of heat dissipation aluminum sheet, the both sides of heat dissipation aluminum sheet are all sheathe in fixedly through first bolt fixed mounting, movable mounting has lithium ion battery module between the fixed cover, the top symmetry fixed mounting of protection shield has four second bolts, the terminal is installed to the bilateral symmetry of protection shield, one side two electric cores of roof fixedly connected with of fixed cover, two pencil of lateral wall fixedly connected with of protection shield.

Preferably, two the equal fixedly connected with fagging of bottom lateral wall of lid, install the screw between the fagging.

Preferably, the screw is a self-tapping screw.

Preferably, the side walls of the two cover bodies are provided with observation ports.

Preferably, the fixed slot has all been seted up to the inside wall of fixed cover, the inside at the fixed slot is installed to the lithium ion battery module.

Preferably, four second bolts fixedly mount the protection plate on the heat dissipation aluminum sheet.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a with the lower heat dissipation aluminum sheet customization of protection shield to one kind can match with the module support heat dissipation aluminum sheet structure, solved lithium cell protection shield and need fix through the switching support when the installation, the relatively more troublesome and relatively higher problem of cost of installation.

2. The utility model discloses a left and right sides lid symmetry setting of lid to cooperation fagging and screw realize the quick installation to the lid, the assembly of being convenient for, and stability is strong.

3. The utility model discloses a pencil ann installation back, the design of the viewing aperture of controlling the lid can observe the pencil state often, avoids appearing the line ball condition.

4. The utility model discloses a fixed box reinforcement cover deciding that adopts of lithium ion battery module, interference fit is fixed, has further strengthened the stability of protection shield.

Drawings

Fig. 1 is a schematic perspective view of a lithium battery protection plate structure convenient to mount according to the present invention;

fig. 2 is a schematic view of an internal cross-sectional three-dimensional structure in a lithium battery protection board structure convenient to mount according to the present invention;

fig. 3 is the utility model provides a lithium battery protection shield structure chart 2 middle A department structure enlarged schematic diagram convenient to installation.

In the figure: 1. a cover body; 2. a handle; 3. buckling; 4. a plug-in unit; 5. a viewing port; 6. a snap-in arm; 7. a supporting plate; 8. a screw; 9. radiating aluminum sheets; 10. a first bolt; 11. fixing a sleeve; 12. a lithium ion battery module; 13. a protection plate; 14. a second bolt; 15. a binding post; 16. an electric core; 17. a wire harness.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example one

Referring to fig. 1-3, a lithium battery protection plate structure convenient to mount comprises two cover bodies 1 which are symmetrically arranged, wherein the tops of the two cover bodies 1 are provided with handles 2, the two sides of each handle 2 are fixedly connected with buckles 3, the tops of the two cover bodies 1 are fixedly provided with clamping arms 6, the buckles 3 are movably mounted inside the clamping arms 6, the top of one cover body 1 is provided with a plug connector 4, and the insides of the two cover bodies 1 are provided with protection mechanisms;

protection mechanism is including two fixed covers 11 of symmetry fixed mounting in 1 inboard of lid, the top of two fixed covers 11 is equipped with heat dissipation aluminum sheet 9, the top fixedly connected with protection shield 13 of heat dissipation aluminum sheet 9, the both sides of heat dissipation aluminum sheet 9 are all through first bolt 10 fixed mounting on fixed cover 11, movable mounting has lithium ion battery module 12 between the fixed cover 11, the top symmetry fixed mounting of protection shield 13 has four second bolts 14, terminal 15 is installed to the bilateral symmetry of protection shield 13, two electric cores 16 of roof fixedly connected with of the fixed cover 11 of one side, terminal 15 is connected with electric core 16, the realization is to the monitoring protection of lithium ion battery group, two pencil 17 of lateral wall fixedly connected with of protection shield 13, terminal and the lithium ion battery group connector lug interconnect of pencil 17, the lower heat dissipation aluminum sheet 9 of protection shield is customized into a can match with the module support heat radiation structure, it needs to fix through the switching support when the installation, the problem of troublesome and cost relatively higher to install the protection shield.

Example two

Referring to fig. 1-3, the present embodiment is substantially the same as the first embodiment, and is more optimized in that the bottom side walls of the two cover bodies 1 are fixedly connected with supporting plates 7, screws 8 are installed between the supporting plates 7, the cover bodies are symmetrically arranged by the left and right covers of the cover bodies, and the supporting plates 7 and the screws 8 are matched to realize quick installation of the cover bodies, so that the assembly is facilitated, and the stability is strong;

the screw 8 is a self-tapping screw, so that the falling-off of the insert nut is avoided;

viewing aperture 5 has all been seted up to the lateral wall of two lids 1, and after pencil 17 ann was installed, about the design of lid can observe pencil 17 state often, avoid appearing the line ball condition.

The fixed slot has all been seted up to the inside wall of fixed cover 11, and the lithium ion battery module is installed in the inside of fixed slot, and the module is fixed to adopt the box to consolidate and decides the slot, and interference fit is fixed, reinforcing stability.

Four second bolts 14 with protection shield 13 fixed mounting on heat dissipation aluminum sheet 9, compare in gluing fixed mode, the fixed strength promotes greatly, be convenient for assembly and reduce cost.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The lithium battery protection board structure convenient to install comprises two cover bodies (1) which are symmetrically arranged, and is characterized in that handles (2) are arranged at the tops of the two cover bodies (1), buckles (3) are fixedly connected to two sides of each handle (2), clamping arms (6) are fixedly arranged at the tops of the two cover bodies (1), the buckles (3) are movably arranged inside the clamping arms (6), a plug connector (4) is arranged at the top of one side of each cover body (1), and a protection mechanism is arranged inside each cover body (1);

protection mechanism is including two fixed cover (11), two of symmetry fixed mounting in lid (1) inboard the top of fixed cover (11) is equipped with heat dissipation aluminum sheet (9), the top fixedly connected with protection shield (13) of heat dissipation aluminum sheet (9), the both sides of heat dissipation aluminum sheet (9) are all through first bolt (10) fixed mounting on fixed cover (11), movable mounting has lithium ion battery module (12) between fixed cover (11), the top symmetry fixed mounting of protection shield (13) has four second bolts (14), terminal (15), one side are installed to the bilateral symmetry of protection shield (13) two electric core (16) of roof fixedly connected with of fixed cover (11), two pencil (17) of lateral wall fixedly connected with of protection shield (13).

2. The lithium battery protection plate structure convenient to install according to claim 1, wherein: two the equal fixedly connected with fagging (7) of bottom lateral wall of lid (1), install screw (8) between fagging (7).

3. The lithium battery protection plate structure convenient to install according to claim 2, wherein: the screw (8) is a self-tapping screw.

4. The lithium battery protection plate structure convenient to install according to claim 1, wherein: and the side walls of the two cover bodies (1) are provided with observation ports (5).

5. The lithium battery protection plate structure convenient to install according to claim 1, wherein: the inside wall of fixed cover (11) has all seted up the fixed slot, lithium ion battery module installs in the inside of fixed slot.

6. The lithium battery protection plate structure convenient to install according to claim 1, wherein: the four second bolts (14) fixedly install the protective plate (13) on the radiating aluminum sheet (9).