CN210897432U

CN210897432U - Lithium battery module

Info

Publication number: CN210897432U
Application number: CN201922460239.8U
Authority: CN
Inventors: 郑海明; 蒋春涛
Original assignee: Shenzhen Qianhai Paiwo Technology Co ltd
Current assignee: Shenzhen Qianhai Paiwo Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-06-30
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a lithium battery module, which comprises a module shell, a battery pack and a cover plate arranged at the top of the module shell; the module shell comprises a bottom plate, a front vertical plate and a rear vertical plate, wherein the front vertical plate is vertically and fixedly connected to the front side of the module shell, and the rear vertical plate is vertically and fixedly connected to the back of the module shell; the left side of the top end of the module shell is movably inserted with a left baffle, the right side of the top end of the module shell is movably inserted with a right baffle, and the right side of the right baffle is provided with a cooling fan. The utility model has the characteristics of dismouting portable is convenient for maintain lithium battery module, and the produced heat of group battery assembles in heat dissipation channel when lithium battery module uses simultaneously, improves the radiating effect of this lithium battery module, is favorable to prolonging the life of this lithium battery module.

Description

Lithium battery module

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium cell module.

Background

With the continuous development of battery technology, the requirements on the battery module are also continuously improved; the lithium battery module is one of the battery modules, and the lithium battery module comprises a battery pack, a module shell and a baffle.

However, the conventional lithium battery module, the module shell and the baffle plate are mostly fixed and connected in an integrated manner and cannot be disassembled, the lithium battery module is difficult to maintain, and meanwhile, the heat dissipation effect of the lithium battery module is poor, so that the lithium battery module is not beneficial to long-term use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium battery module to the module casing and the baffle that provide are difficult to unpack apart difficult maintenance, the poor problem of lithium battery module radiating effect among the above-mentioned background art of solution.

In order to achieve the above object, the utility model provides a following technical scheme:

a lithium battery module comprises a module shell, a battery pack and a cover plate arranged at the top of the module shell; the module shell comprises a bottom plate, a front vertical plate and a rear vertical plate, wherein the front vertical plate is vertically and fixedly connected to the front side of the module shell, and the rear vertical plate is vertically and fixedly connected to the back of the module shell; the middle part of the top end of the bottom plate is provided with a placement groove for placing a battery pack, the left side of the top end of the module shell is movably inserted with a left baffle, and the left side of the plate body of the left baffle is provided with through heat dissipation grooves at intervals; a right baffle is movably inserted at the right side of the top end of the module shell, and a cooling fan is arranged at the right side of the right baffle; both sides of the top end of the front vertical plate and both sides of the top end of the rear vertical plate are provided with guide holes, and the middle part of the top end of the front vertical plate and the middle part of the top end of the rear vertical plate are provided with screw holes; the guide posts are vertically and fixedly connected to four corners of the bottom end of the plate body of the cover plate and are vertically inserted into the hole cavities of the guide holes.

Preferably, a first cavity is formed between the left side of the battery pack and the right side of the left baffle, a second cavity is formed between the right side of the battery pack and the left side of the right baffle, a third cavity is formed between the front side of the battery pack and the back side of the front vertical plate, a fourth cavity is formed between the back side of the battery pack and the front side of the rear vertical plate, the first cavity, the second cavity, the third cavity and the fourth cavity form a 'return' type heat dissipation channel, the 'return' type heat dissipation channel is communicated with a groove cavity of the heat dissipation groove, and the second cavity is communicated with an air inlet of the heat dissipation fan.

Preferably, the top of the battery pack is provided with a heat conducting fin, the top of the heat conducting fin is tightly attached to the bottom of the cover plate, and the heat conducting fin is made of a heat conducting silica gel sheet.

Preferably, the top end of the cover plate is provided with a fastener, and the fastener comprises a bolt, a screw or a screw; the bottom end of the fastener penetrates through the cover plate and extends into the screw hole through threads.

Preferably, the right side of the right baffle is provided with a mounting hole for mounting the cooling fan, and the cross section of the mounting hole is of a circular structure.

Preferably, the left side of the back of the front vertical plate and the left side of the front of the rear vertical plate are both provided with a first slot, and the right side of the back of the front vertical plate and the right side of the front of the rear vertical plate are both provided with a second slot; the left baffle is vertically inserted into the groove cavity of the first slot, and the bottom of the left baffle is tightly attached to the left side of the top end of the bottom plate; the right baffle is vertically inserted into the groove cavity of the second slot, and the bottom of the right baffle is tightly attached to the right side of the top end of the bottom plate.

Preferably, the top surfaces of the plate bodies of the front vertical plate, the rear vertical plate, the left baffle and the right baffle are positioned on the same horizontal plane.

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

1. the utility model has the characteristics of dismouting portable, can realize the dismouting of lithium cell module rapidly, be convenient for maintain the lithium cell module, be favorable to prolonging the life of this lithium cell module; meanwhile, when the lithium battery module is used, the heat generated by the battery pack is gathered in the heat dissipation channel, so that the heat gathered in the heat dissipation channel can be rapidly dissipated by the heat dissipation fan, the heat dissipation effect of the lithium battery module is improved, and the long-term use of the lithium battery module is facilitated.

Drawings

FIG. 1 is an exploded view of the structure of the present invention;

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

fig. 3 is a perspective view of the module housing and the battery pack of the present invention;

FIG. 4 is a perspective view of the module housing according to the present invention;

fig. 5 is a schematic view of the overall structure of the module housing, the front vertical plate and the rear vertical plate;

fig. 6 is a top view of the structure of fig. 3 according to the present invention.

In the figure: 1 module casing, 11 bottom plates, 111 arrangement groove, 12 preceding riser, 13 back riser, 131 first slot, 132 second slot, 133 guiding hole, 134 screw, 14 cavity, 15 cavity, 16 cavity No. three, 17 cavity No. four, 2 left baffle, 21 radiating groove, 3 right baffle, 31 mounting hole, 4 radiator fan, 5 group battery, 6 conducting strip, 7 apron, 8 guide posts, 9 fasteners.

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 lithium battery module comprises a module shell 1, a battery pack 5 and a cover plate 7 arranged at the top of the module shell 1; the module shell 1 comprises a bottom plate 11, a front vertical plate 12 vertically and fixedly connected to the front side of the module shell 1 and a rear vertical plate 13 vertically and fixedly connected to the back of the module shell 1; the middle part of the top end of the bottom plate 11 is provided with a placement groove 111 for accommodating the battery pack 5, the left side of the top end of the module shell 1 is movably inserted with a left baffle plate 2, and the left side of the plate body of the left baffle plate 2 is provided with through heat dissipation grooves 21 at intervals; a right baffle 3 is movably inserted at the right side of the top end of the module shell 1, and a cooling fan 4 is arranged at the right side of the right baffle 3; both sides of the top end of the front vertical plate 12 and both sides of the top end of the rear vertical plate 13 are provided with guide holes 133, and both the middle part of the top end of the front vertical plate 12 and the middle part of the top end of the rear vertical plate 13 are provided with screw holes 134; four corners of the bottom end of the plate body of the cover plate 7 are vertically and fixedly connected with guide posts 8, and the guide posts 8 are vertically inserted into the hole cavities of the guide holes 133; the top end of the cover plate 7 is provided with a fastening piece 9, and the fastening piece 9 comprises a bolt, a screw or a screw; the bottom end of the fastening piece 9 penetrates through the cover plate 7 and is threaded into the screw hole 134; the cover plate 7 can be fastened to the module case 1 by means of the fastening members 9.

Referring to fig. 1, 3 and 6, a first chamber 14 is formed between the left side of the battery pack 5 and the right side of the left baffle 2, a second chamber 15 is formed between the right side of the battery pack 5 and the left side of the right baffle 3, a third chamber 16 is formed between the front side of the battery pack 5 and the back of the front upright plate 12, a fourth chamber 17 is formed between the back of the battery pack 5 and the front side of the rear upright plate 13, the first chamber 14, the second chamber 15, the third chamber 16 and the fourth chamber 17 form a 'return' type heat dissipation channel, the 'return' type heat dissipation channel is communicated with a groove cavity of the heat dissipation groove 21, and the second chamber 15 is communicated with an air inlet of the heat dissipation fan 4; the top of the battery pack 5 is provided with a heat conducting sheet 6, the top of the heat conducting sheet 6 is tightly attached to the bottom of the cover plate 7, and the heat conducting sheet 6 is a heat conducting silica gel sheet; in the heat conducting fin 6 of the present embodiment, the adopted heat conducting silica gel sheet is a heat conducting medium material synthesized by using silica gel as a base material, adding various auxiliary materials such as metal oxide and the like, and through a special process; in the industry, the heat conducting silica gel pad is also called as a heat conducting silica gel pad, a heat conducting silica gel sheet, a soft heat conducting pad, a heat conducting silica gel gasket and the like, is specially produced by a design scheme of utilizing gaps to transfer heat, can fill the gaps, and get through a heat channel between a heating part and a radiating part, so that the heat transfer efficiency is effectively improved, and meanwhile, the heat conducting silica gel pad has the effects of insulation, shock absorption, sealing and the like, can meet the design requirements of miniaturization and ultra-thinness of equipment, has manufacturability and usability, has wide thickness application range, and is an excellent heat conducting filling material.

The working principle of the cooling fan 4 is realized according to energy conversion, the circuit principle of the cooling fan is generally divided into a plurality of forms, and the performance of the cooling fan 4 is different due to different circuits; the radiator fan 4 is of the NF-F12 type.

Referring to fig. 1, 2 and 4, a mounting hole 31 for mounting the heat dissipation fan 4 is formed on the right side of the right baffle 3, and the cross-sectional shape of the mounting hole 31 is a circular structure; a first slot 131 is formed in the left side of the back of the front vertical plate 12 and the left side of the front of the rear vertical plate 13, and a second slot 132 is formed in the right side of the back of the front vertical plate 12 and the right side of the front of the rear vertical plate 13; the left baffle 2 is vertically inserted into the slot cavity of the first slot 131, and the bottom of the left baffle 2 is tightly attached to the left side of the top end of the bottom plate 11; the right baffle 3 is vertically inserted into the groove cavity of the second slot 132, and the bottom of the right baffle 3 is tightly attached to the right side of the top end of the bottom plate 11; the top surfaces of the front vertical plate 12, the rear vertical plate 13, the left baffle 2 and the right baffle 3 are positioned on the same horizontal plane.

The working principle is as follows: when in use, firstly, the battery pack 5 is placed in the placing groove 111, and the heat conducting sheet 6 is arranged on the battery pack 5; then, the left baffle 2 is vertically inserted into the first slot 131, the right baffle 3 is vertically inserted into the second slot 132, then the guide post 8 at the bottom end of the cover plate 7 is vertically inserted into the guide hole 133, and the cover plate 7 is tightly mounted on the module shell 1 by screwing the fastener 9, so that the lithium battery module can be assembled; when maintaining lithium battery module, can unscrew fastener 9 earlier and take off apron 7, take off again and maintain group battery 5 behind left baffle 2 and the right baffle 3.

The utility model has the characteristics of the dismouting is portable, has simplified the equipment degree of difficulty of lithium cell module, can realize the dismouting of lithium cell module rapidly, is convenient for maintain the lithium cell module, is favorable to prolonging the life of this lithium cell module; meanwhile, a first cavity 14, a second cavity 15, a third cavity 16 and a fourth cavity 17 between the battery pack 5 and the module shell 1 form a heat dissipation channel, heat generated by the battery pack 5 is gathered in the heat dissipation channel when the lithium battery module is used, and then the heat gathered in the heat dissipation channel is discharged through the heat dissipation fan 4, so that the heat dissipation effect of the lithium battery module is improved, and the long-term use of the lithium battery module is facilitated.

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 lithium battery module comprises a module shell (1), a battery pack (5) and a cover plate (7) arranged at the top of the module shell (1); the method is characterized in that: the module shell (1) comprises a bottom plate (11), a front vertical plate (12) vertically and fixedly connected to the front side of the module shell (1), and a rear vertical plate (13) vertically and fixedly connected to the back of the module shell (1); a placement groove (111) for placing a battery pack (5) is formed in the middle of the top end of the bottom plate (11), a left baffle plate (2) is movably inserted into the left side of the top end of the module shell (1), and through heat dissipation grooves (21) are formed in the left side of a plate body of the left baffle plate (2) at intervals; a right baffle (3) is movably inserted at the right side of the top end of the module shell (1), and a cooling fan (4) is arranged at the right side of the right baffle (3); both sides of the top end of the front vertical plate (12) and both sides of the top end of the rear vertical plate (13) are provided with guide holes (133), and both the middle part of the top end of the front vertical plate (12) and the middle part of the top end of the rear vertical plate (13) are provided with screw holes (134); four corners of the bottom end of the plate body of the cover plate (7) are vertically and fixedly connected with guide columns (8), and the guide columns (8) are vertically inserted into the hole cavities of the guide holes (133).

2. The lithium battery module as claimed in claim 1, wherein: form cavity (14) No. one between the left side of group battery (5) and left baffle (2) right side, form cavity (15) No. two between the right side of group battery (5) and right baffle (3) left side, form cavity (16) No. three between the front of group battery (5) and preceding riser (12) back, form cavity (17) No. four between the back of group battery (5) and back riser (13) front, cavity (14) No. two, cavity (15) No. three and cavity (17) No. four constitute "return" type heat dissipation channel, "return" type heat dissipation channel and the groove cavity of radiating groove (21) link up mutually, cavity (15) No. two link up mutually with the air intake of radiator fan (4).

3. The lithium battery module as claimed in claim 1, wherein: the top of the battery pack (5) is provided with a heat conducting fin (6), the top of the heat conducting fin (6) is tightly attached to the bottom of the cover plate (7), and the heat conducting fin (6) adopts a heat conducting silica gel sheet.

4. The lithium battery module as claimed in claim 1, wherein: a fastening piece (9) is arranged at the top end of the cover plate (7), and the fastening piece (9) comprises a bolt, a screw or a screw; the bottom end of the fastener (9) penetrates through the cover plate (7) and extends into the screw hole (134) in a threaded manner.

5. The lithium battery module as claimed in claim 1, wherein: and a mounting hole (31) for mounting the cooling fan (4) is formed in the right side of the right baffle (3), and the cross section of the mounting hole (31) is of a circular structure.

6. The lithium battery module as claimed in claim 1, wherein: a first slot (131) is formed in the left side of the back of the front vertical plate (12) and the left side of the front of the rear vertical plate (13), and a second slot (132) is formed in the right side of the back of the front vertical plate (12) and the right side of the front of the rear vertical plate (13); the left baffle (2) is vertically inserted into the groove cavity of the first slot (131), and the bottom of the left baffle (2) is tightly attached to the left side of the top end of the bottom plate (11); the right baffle (3) is vertically inserted into the groove cavity of the second slot (132), and the bottom of the right baffle (3) is tightly attached to the right side of the top end of the bottom plate (11).

7. The lithium battery module as claimed in claim 1, wherein: the top surfaces of the front vertical plate (12), the rear vertical plate (13), the left baffle (2) and the right baffle (3) are positioned on the same horizontal plane.