CN212810424U

CN212810424U - Waterproof and explosion-proof ternary lithium battery and electric vehicle

Info

Publication number: CN212810424U
Application number: CN202022243915.9U
Authority: CN
Inventors: 张毅
Original assignee: Shenyang Zhongke Energy Saving New Energy Co ltd
Current assignee: Shenyang Zhongke Energy Saving New Energy Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-03-26
Anticipated expiration: 2030-10-10

Abstract

The utility model relates to a waterproof and explosion-proof ternary lithium battery and an electric vehicle, which comprises a battery pack, an insulating protection plate, a waterproof membrane and a shell; the shell is a hollow cavity, and the insulating protection plate and the waterproof membrane are sequentially wrapped on the outer side of the battery pack and positioned inside the shell; and waterproof glue is injected outside the two ends of the waterproof membrane. The utility model discloses because the group battery adopts big monomer support to make and has had certain steadiness between the monomer lithium cell, adopt insulating guard plate, water proof membrane, waterproof glue and shell to make the lithium cell have waterproof, fire-retardant and anti performance that falls, add each item performance that the glue film has strengthened the lithium cell.

Description

Waterproof and explosion-proof ternary lithium battery and electric vehicle

Technical Field

The utility model relates to a lithium cell technical field especially relates to a waterproof and explosion-proof ternary lithium cell and electric motor car.

Background

Due to the prevalence of shared electric vehicles and take-away electric vehicles, the electric vehicles also have an increasingly large market, and the lithium batteries in the prior art are widely used, but due to the problem of regional temperature difference, the requirements on the lithium batteries are higher and higher, so that the lithium batteries not only have the basic function of power supply, but also need to adapt to different temperatures.

Because the manufacturing cost of the lithium battery and the required safety factor are higher, the lithium battery also needs to have the properties of falling resistance, water resistance, explosion resistance, flame retardance and the like, thereby prolonging the service life of the lithium battery, saving the cost and ensuring the safety. However, it is difficult for the existing lithium battery to have various performances.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the above shortcoming, the not enough of prior art, the utility model provides a waterproof and explosion-proof ternary lithium cell and electric motor car, it has solved the waterproof and explosion-proof, anti multiple technical problem such as fall fire-retardant of lithium cell.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

in a first aspect, an embodiment of the present invention provides a waterproof and explosion-proof ternary lithium battery, including a battery pack, an insulating protection plate, a waterproof film and a housing;

the shell is a hollow cavity, and the insulating protection plate and the waterproof membrane are sequentially wrapped on the outer side of the battery pack and are positioned in the shell;

and waterproof glue is injected outside the two ends of the waterproof membrane.

Optionally, a glue layer is filled between the waterproof membrane and the shell.

Optionally, the battery pack comprises a large cell bracket and a single lithium cell;

the large monomer support is provided with a plurality of grooves, the side wall of each groove is provided with an opening, and the single lithium battery is placed in each groove.

Optionally, the glue layer is a colloidal silica.

Optionally, a handle is provided on the housing.

Optionally, the housing is sealed by rivets, and the handle is fixed to the housing by rivets.

Optionally, a battery protection plate bound together with the battery pack is further included.

In a second aspect, an embodiment of the present invention provides an electric vehicle, wherein the electric vehicle adopts any one of the above three-element lithium battery to provide electric energy for the electric vehicle.

(III) advantageous effects

The utility model has the advantages that: the utility model discloses a waterproof and explosion-proof ternary lithium cell and electric motor car owing to adopt big monomer support to make and have had certain steadiness between the monomer lithium cell, adopts insulating guard plate, water proof membrane, waterproof glue and shell to make the lithium cell have waterproof, fire-retardant and anti performance of falling, adds each item performance that the glue film has strengthened the lithium cell.

Drawings

Fig. 1 is a schematic view of a three-element lithium battery according to the present invention;

FIG. 2 is an exterior top view of FIG. 1;

FIG. 3 is a schematic top view of the macro-cell support of FIG. 1 according to the present invention;

FIG. 4 is a schematic structural diagram of the macromonomer bracket of FIG. 3 after a portion of the single lithium battery is loaded therein;

fig. 5 is a left side view of the structure of fig. 3.

[ description of reference ]

1: a housing;

2: a water-resistant film; 21: waterproof glue;

3: an insulating protection plate;

4: a battery pack; 41: a macromonomer scaffold; 42: a single lithium battery; 411: an opening; 412: a groove;

5: and (6) a glue layer.

Detailed Description

In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

Example 1: referring to fig. 1 to 5, an embodiment of the present invention provides a waterproof and explosion-proof ternary lithium battery, including a battery pack 4, an insulating protection plate 3, a waterproof membrane 2 and a housing 1;

the shell 1 is a hollow cavity, and the insulating protection plate 3 and the waterproof membrane 2 are sequentially wrapped on the outer side of the battery pack 4 and are positioned inside the shell 1; the outer sides of the two ends of the waterproof membrane 2 are filled with waterproof glue 21, the waterproof glue 21 is used for sealing the two ends of the waterproof membrane 2, and the waterproof glue 21 can be colloid capable of being sealed. And a glue layer 5 is filled between the waterproof membrane 2 and the shell 1. The glue layer 5 is a colloidal silica body, and certainly the utility model is not limited to this, and other waterproof materials can also be adopted.

Group battery 4 is the structure of assembling together a plurality of small-size batteries, the utility model provides a group battery 4 includes big monomer support 41 and monomer lithium cell 42, connects through the automatic spot welding between the monomer lithium cell 42. The large cell support 41 is provided with a plurality of grooves 412, the side wall of each groove 412 is provided with an opening 411, the openings are communicated, and the single lithium battery 42 is placed in the groove 412.

The shell 1 is made of steel, a handle 11 is arranged on the shell 1, and the handle 11 is fixed on the shell 1 through rivets. When the housing 1 is a cuboid hollow cavity, a handle 11 is arranged on each of the square side and the rectangular side of the housing 1 for users to select freely. The housing 1 is sealed by rivets.

The utility model discloses a lithium cell still includes the battery protection shield of tying up together with group battery 4. The battery protection board is an integrated circuit board which plays a role in protecting the lithium battery.

The embodiment of the utility model provides an electric motor car is still provided, the electric motor car adopts above-mentioned arbitrary one ternary lithium cell provide the electric energy for it. The utility model discloses an electric motor car adopts the power supply behind the above-mentioned battery more stable, because the utility model discloses the structure of battery is relatively more stable, when the electric motor car is emptyd, also less to the battery influence, and the utility model discloses the insulation of doing in the battery is more perfect, has increased the factor of safety of battery.

To sum up, the utility model discloses a waterproof and explosion-proof ternary lithium cell and electric motor car owing to adopt big monomer support 41 to make and have certain steadiness between the monomer lithium cell 42, adopts insulating guard plate 3, water proof membrane 2, waterproof glue 21 and shell 1 to make the lithium cell have waterproof, fire-retardant and anti performance of falling, adds each item performance that the glue film 5 has strengthened the lithium cell.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.

In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a waterproof explosion-proof ternary lithium cell which characterized in that: comprises a battery pack (4), an insulating protection plate (3), a waterproof membrane (2) and a shell (1);

the shell (1) is a hollow cavity, and the insulating protection plate (3) and the waterproof membrane (2) are sequentially wrapped on the outer side of the battery pack (4) and are positioned inside the shell (1);

and waterproof glue (21) is filled on the outer sides of the two ends of the waterproof membrane (2).

2. The waterproof and explosion-proof ternary lithium battery of claim 1, wherein:

and a glue layer (5) is filled between the waterproof membrane (2) and the shell (1).

3. The waterproof and explosion-proof ternary lithium battery of claim 1, wherein:

the battery pack (4) comprises a large monomer bracket (41) and a single lithium battery (42);

the large-unit support (41) is provided with a plurality of grooves (412), an opening (411) is formed in the side wall of each groove (412), and the single lithium battery (42) is placed in each groove (412).

4. The waterproof and explosion-proof ternary lithium battery of claim 2, wherein:

the glue layer (5) is a colloidal silica body.

5. The waterproof and explosion-proof ternary lithium battery of claim 1, wherein:

the shell (1) is provided with a handle (11).

6. The waterproof and explosion-proof ternary lithium battery of claim 5, wherein:

the shell (1) is sealed through rivets, and the handle (11) is fixed on the shell (1) through the rivets.

7. The waterproof and explosion-proof ternary lithium battery of claim 1, wherein:

and the battery protection plate is bound with the battery pack (4).

8. An electric vehicle, characterized in that: the electric vehicle is provided with electric energy by the ternary lithium battery of any one of claims 1-7.