CN210866316U

CN210866316U - Combined small lithium battery

Info

Publication number: CN210866316U
Application number: CN201922328566.8U
Authority: CN
Inventors: 汤大明
Original assignee: Dongguan Sunly Battery Technology Co ltd
Current assignee: Dongguan Sunly Battery Technology Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-06-26
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a combined small lithium battery, which comprises a battery frame, wherein first U-shaped rails are equidistantly distributed at the bottom of the inner side of the battery frame, second U-shaped rails corresponding to the first U-shaped rails are equidistantly distributed at the top of the inner side of the battery frame, lithium battery blocks are clamped between the second U-shaped rails and the first U-shaped rails, a partition plate is vertically fixed between the lithium battery blocks, a heat dissipation cavity is arranged between the partition plate and the lithium battery blocks, a fixing plate is arranged at one side of the battery frame, the combined small lithium battery is characterized in that the lithium battery blocks are clamped between the first U-shaped rails and the second U-shaped rails inside the battery frame through a first slide block and a second slide block until electrode contacts at one ends of the lithium battery blocks are butted to an electrode groove, so that the lithium battery blocks are mutually connected in series for centralized power supply, and after a sealing cover is closed, a positioning block is fixed at one end of the battery frame, at this moment, the cushion pad is correspondingly attached to the damping cushion block, so that the lithium battery is not easy to damage when vibrating and bumping.

Description

Combined small lithium battery

Technical Field

The utility model relates to a lithium cell, in particular to modular small-size lithium cell belongs to battery equipment technical field.

Background

The lithium battery is a primary battery using lithium metal or lithium alloy as a negative electrode material and using a non-aqueous electrolyte solution, unlike a lithium ion battery, which is a rechargeable battery, and a lithium ion polymer battery. The inventor of the lithium battery is edison, and the chemical characteristics of the lithium metal are very active, so that the lithium metal has very high requirements on the environment in processing, storage and use. With the development of microelectronic technology at the end of the twentieth century, miniaturized devices are increasing day by day, high requirements are put on power supplies, and lithium batteries enter a large-scale practical stage.

The existing lithium batteries for the electric vehicle are all formed by combining a plurality of batteries, but the combined lithium batteries are not provided with a special fixed connecting mechanism, and only a plurality of lithium batteries are arranged in a container box, so that in the use process, collision is easily caused by walking bump among a plurality of lithium batteries, and the normal use of the lithium batteries is influenced. Therefore, the combined small lithium battery is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modular small-size lithium cell to the lithium cell that the tradition that proposes in solving above-mentioned background art is used for the electric motor car all adopts the several battery combination to form, but this kind of modular lithium cell does not have dedicated fixed connection mechanism, only installs the several lithium cell in a container box, like this in the use, jolts the bump because of the walking very easily between a plurality of lithium cells, influences the problem of lithium cell normal use.

In order to achieve the above object, the utility model provides a following technical scheme: a combined small lithium battery comprises a battery frame, wherein first U-shaped rails are distributed on the bottom of the inner side of the battery frame at equal intervals, second U-shaped rails corresponding to the first U-shaped rails are distributed on the top of the inner side of the battery frame at equal intervals, lithium battery blocks are clamped between the second U-shaped rails and the first U-shaped rails, a partition plate is vertically fixed between the lithium battery blocks, a heat dissipation cavity is arranged between the partition plate and the lithium battery blocks, a fixing plate is mounted on one side of the battery frame, an electrode groove is arranged in the middle of the fixing plate, a connecting terminal is arranged at one end of the electrode groove, a sealing cover is hinged to the other side of the battery frame, a positioning block is integrally formed in the middle of one end of the sealing cover, a first mounting hole is formed in the middle of the positioning block, a second mounting hole corresponding to the first mounting hole is formed in the side of one end of the battery, the inside laminating of sealed lid has the blotter that corresponds with the lithium cell piece, lithium cell piece both sides distribute has the louvre.

As an optimized technical scheme of the utility model, the baffle outside is provided with thermal-insulated fire-retardant layer.

As a preferred technical scheme of the utility model, lithium cell bottom mounting has the first slider that corresponds with first U type rail, lithium cell top mounting has the second slider that corresponds with second U type rail.

As an optimized technical scheme of the utility model, battery frame outside evenly distributed has the radiating fin who corresponds with the heat dissipation chamber.

As a preferred technical scheme of the utility model, lithium cell piece one end is installed with electrode tank electric connection's electrode contact, and the lithium cell piece other end is fixed with the cushion block who corresponds with the blotter.

As an optimized technical scheme of the utility model, first U type rail and second U type rail and battery frame are integrated into one piece structure.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a modular small-size lithium cell has and can not bump each other between a plurality of lithium cells, ensures the advantage of lithium cell normal use, in concrete use, with traditional lithium cell relatively speaking, the utility model discloses a first slider and second slider block lithium cell block card between inside first U type rail of battery frame and the second U type rail, conflict to the electrode tank until the electrode contact of lithium cell block one end for a plurality of lithium cell blocks establish ties each other and concentrate the power supply, close sealed lid back, utilize the hand to twist the bolt and fix the locating piece in battery frame one end, the blotter corresponds the laminating with the cushion that cushions this moment, when making lithium cell vibrations jolt, be difficult for impaired, and baffle and heat dissipation chamber all avoid the lithium cell to produce the potential safety hazard, ensure that lithium cell working property is stable, long service life.

Drawings

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

fig. 2 is a schematic diagram of a lithium battery block structure of the present invention;

in the figure: 1. a first mounting hole; 2. positioning blocks; 3. a cushion pad; 4. a sealing cover; 5. a first U-shaped rail; 6. a partition plate; 7. a lithium battery block; 8. a heat insulating flame retardant layer; 9. a heat dissipation cavity; 10. a second mounting hole; 11. a battery frame; 12. a second U-shaped rail; 13. an electrode tank; 14. screwing the bolt by hand; 15. a fixing plate; 16. a connection terminal; 17. a first slider; 18. a second slider; 19. damping cushion blocks; 20. heat dissipation holes; 21. and an electrode contact.

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. 1-2, the present invention provides a combined small lithium battery, which comprises a battery frame 11, wherein first U-shaped rails 5 are equidistantly distributed on the bottom of the inner side of the battery frame 11, second U-shaped rails 12 corresponding to the first U-shaped rails 5 are equidistantly spaced on the top of the inner side of the battery frame 11, a lithium battery block 7 is clamped between the second U-shaped rails 12 and the first U-shaped rails 5, a partition plate 6 is vertically fixed between the lithium battery blocks 7, a heat dissipation chamber 9 is arranged between the partition plate 6 and the lithium battery block 7, a fixing plate 15 is installed on one side of the battery frame 11, an electrode tank 13 is arranged in the middle of the fixing plate 15, a connecting terminal 16 is arranged at one end of the electrode tank 13, a sealing cover 4 is hinged to the other side of the battery frame 11, a positioning block 2 is integrally formed in the middle of one end of the sealing cover 4, a first mounting hole, the second mounting hole 10 that corresponds with first mounting hole 1 is seted up to 11 one end avris of battery frame, wear to be equipped with between second mounting hole 10 and the first mounting hole 1 hand and twist bolt 14, 4 inboard laminating of sealed lid have with the blotter 3 that lithium cell 7 corresponds, lithium cell 7 both sides distribution has louvre 20.

Preferably, the outer side of the partition board 6 is provided with a heat-insulating flame-retardant layer 8, so that the burning and explosion phenomena between the adjacent lithium battery blocks 7 are avoided.

Preferably, the bottom end of the lithium battery block 7 is fixed with a first sliding block 17 corresponding to the first U-shaped rail 5, and the top end of the lithium battery block 7 is fixed with a second sliding block 18 corresponding to the second U-shaped rail 12, so that the lithium battery block 7 can be conveniently disassembled and repaired.

Preferably, the outer side of the battery frame 11 is uniformly distributed with radiating fins corresponding to the radiating cavity 9, so that the radiating is efficient.

Preferably, the electrode contact 21 electrically connected with the electrode groove 13 is installed at one end of the lithium battery block 7, and the damping cushion block 19 corresponding to the buffer pad 3 is fixed at the other end of the lithium battery block 7, so that the damping effect of the lithium battery is improved, and the lithium battery is prevented from being damaged by collision.

Preferably, the first U-shaped rail 5 and the second U-shaped rail 12 are integrally formed with the battery frame 11, so that the structure is stable.

When in specific use, the utility model relates to a modular small-size lithium cell, can not bump each other between a plurality of lithium cells, ensure the advantage of lithium cell normal use, go into between the inside first U type rail 5 of battery frame 11 and the second U type rail 12 with 7 card of lithium cell piece through first slider 17 and second slider 18, conflict to electrode tank 13 until the electrode contact 21 of 7 one ends of lithium cell piece, make a plurality of 7 mutual series connection of lithium cell pieces concentrate the power supply, close sealed lid 4 after, utilize the hand to twist bolt 14 and fix locating piece 2 in 11 one ends of battery frame, blotter 3 corresponds the laminating with shock attenuation cushion 19 this moment, when making the lithium cell vibrations jolt, be difficult impaired, and baffle 6 and heat dissipation chamber 9 all avoid the lithium cell to produce the potential safety hazard, ensure that lithium cell working property is stable, long service life, be worth extensively promoting.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. A combined small lithium battery comprises a battery frame (11) and is characterized in that first U-shaped rails (5) are equidistantly distributed at the bottom of the inner side of the battery frame (11), second U-shaped rails (12) corresponding to the first U-shaped rails (5) are equidistantly distributed at the top of the inner side of the battery frame (11) at intervals, lithium battery blocks (7) are clamped between the second U-shaped rails (12) and the first U-shaped rails (5), partition plates (6) are vertically fixed between the lithium battery blocks (7), heat dissipation cavities (9) are arranged between the partition plates (6) and the lithium battery blocks (7), a fixing plate (15) is installed on one side of the battery frame (11), an electrode groove (13) is arranged in the middle of the fixing plate (15), a connecting terminal (16) is arranged at one end of the electrode groove (13), a sealing cover (4) is hinged to the other side of the battery frame (11), and a positioning block (2) is integrally formed in the middle of one end, first mounting hole (1) has been seted up in the middle of locating piece (2), second mounting hole (10) that correspond with first mounting hole (1) are seted up to battery frame (11) one end avris, wear to be equipped with between second mounting hole (10) and first mounting hole (1) hand and twist bolt (14), sealed lid (4) inboard laminating has blotter (3) that correspond with lithium cell (7), lithium cell (7) both sides distribution has louvre (20).

2. A modular small lithium battery as claimed in claim 1, characterized in that: and a heat-insulating flame-retardant layer (8) is arranged on the outer side of the partition plate (6).

3. A modular small lithium battery as claimed in claim 1, characterized in that: the bottom end of the lithium battery block (7) is fixedly provided with a first sliding block (17) corresponding to the first U-shaped rail (5), and the top end of the lithium battery block (7) is fixedly provided with a second sliding block (18) corresponding to the second U-shaped rail (12).

4. A modular small lithium battery as claimed in claim 1, characterized in that: and radiating fins corresponding to the radiating cavity (9) are uniformly distributed on the outer side of the battery frame (11).

5. A modular small lithium battery as claimed in claim 1, characterized in that: and an electrode contact (21) electrically connected with the electrode groove (13) is installed at one end of the lithium battery block (7), and a damping cushion block (19) corresponding to the buffer cushion (3) is fixed at the other end of the lithium battery block (7).

6. A modular small lithium battery as claimed in claim 1, characterized in that: the first U-shaped rail (5), the second U-shaped rail (12) and the battery frame (11) are of an integrated structure.