CN214672823U

CN214672823U - Storage battery protection device and storage battery

Info

Publication number: CN214672823U
Application number: CN202120171230.XU
Authority: CN
Inventors: 钱义红; 张壮壮; 钟海辉
Original assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Geely New Energy Commercial Vehicle Group Co Ltd; Geely Sichuan Commercial Vehicle Co Ltd; Jiangxi Geely New Energy Commercial Vehicle Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Geely New Energy Commercial Vehicle Group Co Ltd; Geely Sichuan Commercial Vehicle Co Ltd; Jiangxi Geely New Energy Commercial Vehicle Co Ltd; Zhejiang Remote Commercial Vehicle R&D Co Ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-11-09
Anticipated expiration: 2031-01-21

Abstract

The utility model discloses a storage battery protection device and a storage battery, wherein the storage battery protection device comprises a top cover and a side wall; the top cover is provided with a plurality of reinforcing structures; the top cover with the side wall forms the chamber that holds that supplies the battery top embedding for the protection positive negative pole and the air vent of battery. The utility model discloses a battery protection device and battery have improved the commonality of safety cover with the safety cover integrated design of positive negative pole of battery, and have improved the protecting effect to the positive negative pole of battery, simultaneously, can protect the air vent of battery, help improving the security performance of battery.

Description

Storage battery protection device and storage battery

Technical Field

The utility model relates to a power battery field, in particular to battery protection device and battery.

Background

Under the background that non-renewable resources such as petroleum are gradually exhausted and environmental pollution is more serious, people have great expectations for new energy. Regardless of wind energy, solar energy or electric vehicles, the new energy technologies which are concerned about are few, and are used for energy storage or battery modules used as power sources, so the performance of the battery modules directly influences the development of the current novel energy technologies. The vehicle-mounted power battery is the most complex in use condition, which puts extremely high requirements on the safety, reliability and low cost of the power battery pack.

In order to achieve higher energy density and power density, the battery module provided by the prior art mostly increases output voltage and current by forming a high-voltage and large-capacity battery module through series-parallel connection between cells, so as to meet higher and higher use requirements. The batteries connected in series and parallel need to be led out through a uniform power leading-out terminal, and a protective cover needs to be additionally arranged outside the leading-out terminal in consideration of current safety and insulation in the leading-out terminal. The power leading-out terminal on the current market has various shapes, and is commonly used in a sheet-shaped and cylindrical structure, so that a general power leading-out terminal protective cover is specially designed according to the shape of the terminal of the general power leading-out terminal protective cover, a gap is always formed between the protective cover and a battery, when rainwater is sprayed on the surface of the battery, the terminal is easily touched, and therefore the protection effect is weak; in addition, the structure of the maintenance-free lead-acid storage battery is generally provided with a vent hole, the vent hole has the function of giving a channel for water vapor in the storage battery to go out in the charging process of the storage battery, the vent hole cannot be blocked, otherwise, the storage battery can bulge, the service life of the storage battery is shortened, and the protection of the vent hole is not considered in the battery protection in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a battery protection device and battery for improve the protection to the positive negative pole of battery, can protect the air vent of battery simultaneously.

In order to achieve the purpose, the utility model discloses a storage battery protection device, which comprises a top cover and a side wall;

the top cover is provided with a plurality of reinforcing structures;

the top cover with the side wall forms the chamber that holds that supplies the battery top embedding for the protection positive negative pole and the air vent of battery.

Optionally, the battery protection device further comprises a plurality of securing structures for detachably connecting the battery protection device to the battery.

Optionally, the number of the fixing structures is two, and both the fixing structures are through holes;

the two through holes are respectively arranged at two ends of the top cover, and the top cover and the storage battery are connected through the two through holes and the bolts.

Optionally, the number of the fixing structures is two, and both the two fixing structures are buckles;

the two buckles are arranged on the side wall, and the side wall is connected with the storage battery through the two buckles.

Optionally, a notch is formed in the side wall.

Optionally, the reinforcing structure is a reinforcing bar.

Optionally, the top cover and the side wall are integrally formed by injection molding.

Optionally, the battery protection device further comprises a battery protection box, the battery protection box is a box body with an upward opening and used for accommodating the battery, and the side wall of the battery protection box is connected to the side wall.

Optionally, the side wall is detachably connected with the side wall of the storage battery protection box.

The utility model also provides a battery, including foretell any kind of battery protection device.

Adopt above-mentioned technical scheme, battery protection device and battery have following beneficial effect:

the utility model discloses a battery protection device and battery have improved the commonality of safety cover with the safety cover integrated design of positive negative pole of battery, and have improved the protecting effect to the positive negative pole of battery, simultaneously, can protect the air vent of battery, help improving the security performance of battery.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of a prior art battery protection cover;

FIG. 2 is a schematic view of an alternative battery protection cover according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of an alternative battery cover according to an embodiment of the present disclosure;

FIG. 4 is a schematic diagram illustrating an application of an alternative battery protection cover according to an embodiment of the present disclosure;

fig. 5 is a schematic application diagram of an alternative battery protection cover according to an embodiment of the present application.

The following is a supplementary description of the drawings:

1-a top cover; 101-a reinforcing structure; 2-side wall; 3-a fixed structure; 201-gap; 4-a storage battery; 401-a vent; 5-a protective cover; 6-fixing the bracket.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", 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 referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, 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 implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.

In the prior art, as shown in fig. 1, a protective cover 5 is usually designed according to the position and shape of an electrode, a gap often exists between the protective cover 5 and a battery, and when rainwater is drenched on the surface of the battery, the electrode is easily touched, so that the protective effect is weak; in addition, a vent 401 is usually arranged on the structure of the maintenance-free lead-acid storage battery, the vent 401 is used for providing a path for water vapor inside the storage battery to go out in the charging process of the storage battery, the vent 401 cannot be blocked, otherwise, the storage battery is bulged, the service life of the storage battery is shortened, and the prior art battery protection does not consider protecting the vent 401.

Referring to fig. 2, fig. 2 is a schematic view of an alternative battery protection device according to an embodiment of the present application, where fig. 2 includes a top cover 1 and a side wall 2; wherein, a plurality of reinforcing structures 101 are arranged on the top cover 1; the top cover 1 and the side wall 2 form an accommodating cavity for embedding the top of the storage battery 4, and are used for protecting the positive and negative electrodes at the top of the storage battery 4 and the vent 401.

In the specific implementation, the size and the shape of the top cover 1 are generally matched with the top of the storage battery 4, the side wall 2 is arranged around the top cover 1 to form an accommodating cavity for embedding the top of the storage battery 4, and the height of the side wall 2 can be designed according to specific requirements; the protection cover of the integral type is formed, the positive electrode and the negative electrode of the battery and the air holes can be protected simultaneously, the universality is good, and the cost is reduced.

As an alternative embodiment, the battery protection device shown in fig. 2 also comprises a plurality of fixing structures 3, which fixing structures 3 are used to detachably connect the battery protection device to the battery 4.

In specific implementation, as shown in fig. 3 to 5, the number of the fixing structures 3 may be two through holes respectively disposed at two ends of the top cover 1, so that the top cover 1 may be connected to the fixing bracket 6 of the battery 4 through the two through holes and then fixed by nuts.

As an alternative embodiment, the fixing structure 3 shown in fig. 2 may also be two buckles; these two buckles can set up on side wall 2, so, side wall 2 and battery 4 can be connected through these two buckles, and it can be understood that should be equipped with the joint portion that corresponds with these two buckles on the battery 4, like draw-in groove isotructure.

As an alternative embodiment, the side wall 2 shown in fig. 2 is provided with a notch 201, and as shown in fig. 4, the notch 201 is used for avoiding parts on the battery 4 or for avoiding the wire harness.

As an alternative embodiment, the reinforcing structure 101 shown in fig. 2 is a reinforcing rib, and a plurality of reinforcing ribs are provided on the top cover 1, so that the overall structural strength can be improved.

As an alternative embodiment, the top cover 1 and the side panel 2 shown in fig. 2 are integrally formed by injection molding.

In the specific implementation, because the storage battery protection device does not bear weight, the storage battery protection device is made of plastic; because the requirement on the external structure is non-deformable, the specific material can be PP-GF30, PP material is adopted, and 30% of glass fiber is added to enhance the plasticity of the product; the plastic structure is adopted, so that the weight of the product can be reduced to the greatest extent, and the cost of the product is reduced.

As an alternative embodiment, the battery protection device shown in fig. 2 may further include a battery protection box, which is a box body with an upward opening for accommodating the battery, and a side wall of the battery protection box is connected to the side wall 2, and preferably, the side wall 2 is hinged with the side wall of the battery protection box, so as to form a protection structure of the box body with an upper cover.

As an alternative embodiment, the side wall 2 and the side wall of the battery protection box may also be detachably connected, such as by a snap and a slot.

The embodiment of the application also provides a storage battery which comprises any one of the storage battery protection devices.

The storage battery protection device and the storage battery provided by the embodiment of the application have the following beneficial effects:

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The storage battery protection device is characterized by comprising a top cover (1) and a side wall (2);

a plurality of reinforcing structures (101) are arranged on the top cover (1);

the top cover (1) and the side wall (2) form a containing cavity for embedding the top of the storage battery, and are used for protecting the anode, the cathode and the air holes of the storage battery.

2. The battery protection device according to claim 1, further comprising a plurality of securing structures (3) for removably attaching the battery protection device to the battery.

3. Accumulator protection device according to claim 2, characterized in that said fixing structures (3) are two in number and both said fixing structures (3) are through holes;

the two through holes are respectively formed in two ends of the top cover (1), and the top cover (1) and the storage battery are connected through the two through holes and the bolts.

4. The battery protection device according to claim 2, characterized in that the number of said fixing structures (3) is two, and both said fixing structures (3) are snap-fit;

the two buckles are arranged on the side wall (2), and the side wall (2) is connected with the storage battery through the two buckles.

5. Accumulator protection device according to claim 1, characterized in that the side walls (2) are provided with notches (201).

6. Accumulator protection device according to claim 1, characterized in that said reinforcing structure (101) is a reinforcing bar.

7. Accumulator protection device according to claim 1, characterized in that said top cover (1) and said side walls (2) are made in one piece by injection moulding.

8. The battery protection device according to claim 1, further comprising a battery protection case which is a case body having an upward opening for accommodating the battery, the side wall of the battery protection case being connected to the side wall (2).

9. Accumulator protection device according to claim 8, characterized in that the side walls (2) are detachably connected to the side walls of the accumulator protection box.

10. A storage battery comprising the storage battery protection device according to any one of claims 1 to 9.