CN219286592U

CN219286592U - Square aluminum shell battery module

Info

Publication number: CN219286592U
Application number: CN202223188700.7U
Authority: CN
Inventors: 施寅; 张继强; 于可; 葛明
Original assignee: Zhejiang Tianhong Lithium Battery Ltd By Share Ltd
Current assignee: Zhejiang Tianhong Lithium Battery Ltd By Share Ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-06-30
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a square aluminum shell battery module, which comprises a battery main body, wherein insulating end plates are arranged on two sides of the battery main body, connecting holes are formed in the surfaces of the insulating end plates, a plurality of groups of serial aluminum bars are arranged at the top of the battery main body, nut bases are arranged at corners of the top of the battery main body, fixing grooves are formed in the positions of the nut bases at the top of the battery main body, heating films are arranged on the front side and the rear side of the battery main body, plastic steel belts are sleeved on the upper side and the lower side of the battery main body, a plurality of groups of battery cores can be assembled by the insulating end plates, the assembling stability and firmness among the battery cores are effectively improved, and meanwhile, the battery cores can be heated in a low-temperature environment by combining with the heating films.

Description

Square aluminum shell battery module

Technical Field

The utility model relates to the technical field of electric forklifts, in particular to a square aluminum shell battery module.

Background

In the application of new energy batteries, the consistency control of the battery cells is a key technology of battery cell grouping, wherein the consistency control also comprises two aspects: firstly, the consistency of battery basic performance matching, including capacity, voltage, internal resistance, self-discharge and the like; the consistency control of the use environment of the battery cell is that the consistency of the charge and discharge temperatures is the most important;

the square aluminum shell battery modules in the electric forklift are more in application, the square battery modules in the prior art are directly placed in groups in the battery box during installation, the fixing firmness is poor, the vibration resistance is poor, the type of battery cannot be normally used in a low-temperature environment, and the work of the electric forklift is affected;

therefore, it is important to design a square aluminum battery module to solve the above-mentioned drawbacks.

Disclosure of Invention

1) Technical problem to be solved by the utility model

Aiming at the defects of the prior art, the utility model designs a square aluminum-shell battery module, and the technical problems that the battery cells are directly grouped in a box body to cause unreliable fixation, poor vibration resistance and incapability of normal use in a low-temperature environment in the prior art are effectively solved by the design of the battery module.

2) Technical proposal

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a square aluminum hull battery module, includes the battery body, the both sides of battery body are provided with insulating end plate, insulating end plate's surface is provided with the linking hole, the top of battery body is provided with multiunit series connection aluminium bar, the corner at battery body top all is provided with the nut base, the top of battery body just is located the position department of nut base and is provided with the fixed slot, both sides all are provided with the heating film around the battery body, plastic steel area has all been cup jointed to the upper and lower both sides of battery body.

As a preferred embodiment of the present utility model, the insulating end plate is designed in a grid-like structure.

As a preferable scheme of the utility model, clamping parts are arranged on two sides of the insulating end plate in a matching way.

In a preferred embodiment of the present utility model, the size of the inner structure of the fixing groove corresponds to the size of the outer structure of the nut base.

As a preferable scheme of the utility model, the heating wire is arranged in the heating film, the front side and the rear side of the battery main body are provided with temperature sensors in a matching way and positioned on the inner side of the heating film, the temperature sensors are connected with a controller through wires, and the controller is connected with the heating wire through wires in an electric connection mode.

As a preferable scheme of the utility model, the plastic steel belt is of square structural design around the battery body.

3) Advantageous effects

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

according to the utility model, the insulating end plates can be used for assembling a plurality of groups of battery cells, so that the assembling stability and firmness among the battery cells are effectively improved, meanwhile, the battery cells can be heated in a low-temperature environment by combining the heating films, the normal use of the battery cells is effectively ensured, and the technical difficulty that the square battery module in the prior art is inconvenient to operate normally at low temperature is well solved.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a bottom view of the overall three-dimensional structure of the present utility model;

fig. 3 is a front view of the overall structure of the present utility model.

In the figure: 1-battery body, 2-insulating end plate, 21-joint portion, 3-linking hole, 4-series aluminium bar, 5-nut base, 6-fixed slot, 7-heating film, 8-plastic steel band.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Examples:

the embodiment of the utility model provides a square aluminum-shell battery module which effectively solves the technical problems that in the prior art, battery cells are directly grouped in a box body to cause unreliable fixation, poor vibration resistance and incapability of normal use in a low-temperature environment;

referring to fig. 1-3, the present utility model provides a technical solution:

the utility model provides a square aluminum shell battery module, including battery body 1, the both sides fixed mounting of battery body 1 has insulating end plate 2, insulating end plate 2 is grid structural design, grid structural design fine increase insulating end plate 2's self intensity for insulating end plate 2 is more stable safe when using, insulating end plate 2's fixed surface has linking hole 3, utilize linking hole 3 to be convenient for splice two sets of battery core equipment, the effectual assembly fastness and the convenience between the battery core that have increased, the both sides of insulating end plate 2 are all supporting to be equipped with joint portion 21, joint portion 21 can play fine positioning effect when assembling the battery core, be convenient for assemble fast between the multiunit battery core;

referring to fig. 1, in this embodiment, a plurality of groups of serial aluminum bars 4 are fixedly installed at the top of a battery main body 1, and the serial aluminum bars 4 are utilized to facilitate quick power connection to the battery main body 1, so that circuit connectivity is ensured, a nut base 5 is installed at corners of the top of the battery main body 1, a fixing groove 6 is formed at the top of the battery main body 1 and at the position of the nut base 5, the size of the inner structure of the fixing groove 6 is corresponding to that of the outer structure of the nut base 5, the nut base 5 facilitates quick fixed installation to the battery main body 1, and installation firmness and use stability of the battery main body 1 are ensured;

in addition, referring to fig. 1-3, in this embodiment, heating films 7 are disposed on both front and rear sides of a battery main body 1, heating wires are fixedly installed inside the heating films 7, temperature sensors are mounted on both front and rear sides of the battery main body 1 and located inside the heating films 7 in a matching manner, the temperature sensors are connected with a controller through wires, the controller is connected with the heating wires through wires and is electrically connected, during use of the battery main body 1, the temperature sensors monitor the temperature inside the battery main body 1 in real time, when the use temperature of the battery main body 1 is too low, the temperature sensors send signals to the controller, the controller is used for controlling the heating wires to operate, then the battery main body 1 is rapidly heated by the heating wires, normal operation temperature of the battery main body 1 is guaranteed, normal use of the battery main body 1 is not affected even in a low-temperature environment, and the operation stability of the battery main body 1 is guaranteed;

finally, referring to fig. 1-3, in this embodiment, plastic steel belts 8 are sleeved on the upper and lower sides of the battery main body 1, a square structural design is formed around the battery main body 1 by the plastic steel belts 8, the battery main body 1 is wrapped by the plastic steel belts 8, the use firmness of the battery main body 1 is effectively guaranteed, meanwhile, the battery main body 1 is well protected, the battery main body 1 is effectively prevented from being deformed and damaged, and the safety is high.

It should be specifically noted that the heating wire, the controller and the temperature sensor are all in the prior art, so the working principle and the operation structure thereof will not be described in detail in the present application.

The working flow of the utility model is as follows: the battery body 1 is placed in the battery box, then the plurality of battery bodies 1 are assembled and fixed through the connecting holes 3 of the insulating end plate 2, so that the battery body 1 is placed in the battery box better, meanwhile, the plurality of battery bodies 1 are well limited and fixed, the use firmness and stability of the battery body 1 are improved, the nut base 5 is utilized for fixedly mounting the battery body 1, the battery body 1 can be electrically connected with an external operation electric appliance through the serial aluminum bar 4, the nut base 5 is convenient to assemble in the fixing groove 6, during the use of the battery body 1, the heating film 7 can intelligently heat the battery body 1 according to the environmental use requirement, the influence of a low-temperature environment on the battery body 1 is effectively avoided, the normal use of the battery body 1 is ensured, the battery body 1 can be reinforced and fixed through the combination of the plastic steel belt 8, the use safety of the battery body 1 is ensured, and the whole operation flow is simple and convenient.

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

Claims

1. The utility model provides a square aluminum hull battery module, includes battery body (1), its characterized in that: the utility model discloses a battery, including battery main part (1), plastic steel strip (8) have all been cup jointed in the top of battery main part (1), both sides of battery main part (1) are provided with insulating end plate (2), the surface of insulating end plate (2) is provided with linking hole (3), the top of battery main part (1) is provided with multiunit series connection aluminium bar (4), the corner at battery main part (1) top all is provided with nut base (5), the top of battery main part (1) just is located the position department of nut base (5) and is provided with fixed slot (6), both sides all are provided with heating film (7) around battery main part (1), plastic steel strip (8) have all been cup jointed in the upper and lower both sides of battery main part (1).

2. The square aluminum battery module according to claim 1, wherein: the insulating end plate (2) is designed in a grid-shaped structure.

3. The square aluminum battery module according to claim 2, wherein: clamping parts (21) are arranged on two sides of the insulating end plate (2) in a matched mode.

4. The square aluminum battery module according to claim 1, wherein: the size of the inner structure of the fixing groove (6) is corresponding to that of the outer structure of the nut base (5).

5. The square aluminum battery module according to claim 1, wherein: the inside of heating membrane (7) is provided with the heater strip, both sides and be located the inboard supporting temperature sensor that is provided with of heating membrane (7) around battery body (1), temperature sensor is connected with the controller through the wire, the controller is connected with the heater strip through the wire, and connected mode is electric connection.

6. The square aluminum battery module according to claim 1, wherein: the plastic steel belt (8) surrounds the periphery of the battery main body (1) and is of square structural design.