CN211295198U

CN211295198U - Battery pack

Info

Publication number: CN211295198U
Application number: CN201922473954.5U
Authority: CN
Inventors: 陈宝梁; 吴敏; 王凯杰; 李兵
Original assignee: Anhui Xingma New Energy Co ltd
Current assignee: Anhui Xingma New Energy Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-18
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a battery pack, which comprises a housin, the top of casing is provided with the top cap, be provided with terminal and filling opening on the top cap, the inside of casing is provided with a plurality of baffle, the inside bottom of casing is provided with the rib, one side of baffle is provided with the polar plate, the inside of casing is provided with electrolyte, be provided with drying device on the baffle, be provided with cooling device on the inner wall of casing, cooling device includes a plurality of cooling tube, be provided with the battery between the baffle, the surface of battery is provided with the heat-conducting layer. The utility model has the advantages of novel structure, design benefit, facilitate the use, the security performance is strong, and long service life has solved the relatively poor problem of battery package heat-sinking capability among the prior art, greatly reduced the cost and improved the space occupancy of battery package.

Description

Battery pack

Technical Field

The utility model relates to a battery technology field particularly, relates to a battery package.

Background

The performance, service life and safety of a power battery of a new energy automobile have great influence on the heat productivity of a battery module of a battery pack during working, and in recent years, with the increasing requirements of the new energy automobile on high-power charge and discharge performance and environmental adaptability, the search for an effective and reliable battery pack thermal management system becomes the key point of current work. The common cooling modes of the power battery pack include natural cooling, air cooling, liquid cooling and direct refrigerant cooling, wherein a liquid cooling system is widely applied to domestic and foreign mainstream vehicle enterprises due to the advantage of high cooling efficiency. With the development of science and technology, the demand for electric energy is increasing day by day, and for the demand for electric power, alternating current can be used as a power supply, or a battery pack formed by connecting a plurality of battery cells in series can be used as the power supply. The advantage of using a battery pack as the power source is that the power source is mobile and not limited to use in a fixed location. A conventional battery pack mainly includes a plurality of battery core groups for providing power and a battery pack monitoring unit electrically connected to the battery core groups for detecting states of the battery core groups, such as voltage, current, temperature, etc. The battery pack monitoring unit can encode the state of the battery core group and an identification code into a state signal to be output so as to be used for a subsequent battery management device to identify the battery pack. The existing battery pack has a complex structure, numerous parts and low vehicle safety. An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

To the problem among the correlation technique, the utility model provides a battery package to overcome the above-mentioned technical problem that current correlation technique exists.

The technical scheme of the utility model is realized like this:

the utility model provides a battery pack, includes casing 1, the top of casing 1 is provided with top cap 2, be provided with terminal 3 and filling opening 4 on the top cap 2, the inside of casing 1 is provided with a plurality of baffle 5, the inside bottom of casing 1 is provided with rib 6, one side of baffle 5 is provided with polar plate 7, the inside of casing 1 is provided with electrolyte, be provided with drying device 8 on the baffle 5, be provided with cooling device 9 on the inner wall of casing 1, cooling device 9 includes a plurality of cooling tube, be provided with battery 10 between the baffle 5, the surface of battery 10 is provided with the heat-conducting layer.

Further, the terminals 3 are provided in two, and the injection ports are provided in six.

Further, the drying device 8 comprises a fixing box and a drying agent, the drying agent is arranged inside the fixing box, and a through hole is formed in the fixing box.

Furthermore, the cooling pipes extend along the horizontal direction and are sequentially arranged at intervals along the vertical direction.

Further, the cooling pipe comprises a main body pipe, a liquid inlet pipe and a liquid outlet pipe, and the main body pipe is connected with the liquid outlet pipe.

The utility model has the advantages that: the utility model provides a battery pack, novel structure has, and is ingenious in design, the advantage that facilitates the use, through setting up drying device, can absorb the vapor in the battery pack box, thereby guarantee the internal air drying of battery pack, effectively prevent that battery pack from insulating trouble, guarantee that battery pack's operational reliability is high, heat transfer to the exterior space through setting up the heat-conducting layer and producing in with the battery use, the inside thermal accumulation of battery pack has been prevented, thermal quick transmission has been realized, the relatively poor problem of battery pack heat-sinking capability among the prior art has been solved, the security performance is strong, long service life, greatly reduced the cost and improved the space occupancy of battery pack, the box that has prevented battery pack is because of removing, the deformation that collision or the inflation of internal battery arouses, greatly increased the bulk rigidity of battery pack.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a battery pack according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a cooling device of a battery pack according to an embodiment of the present invention;

in the figure:

1. a housing; 2. a top cover; 3. a terminal; 4. an injection port; 5. a partition plate; 6. a rib; 7. a polar plate; 8. a drying device; 9. a cooling device; 10. a battery.

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 all belong to the protection scope of the present invention.

According to the utility model discloses an embodiment provides a battery package.

As shown in fig. 1-2, a battery pack according to an embodiment of the present invention includes a housing 1, a top cover 2 is disposed on a top of the housing 1, a terminal 3 and an injection opening 4 are disposed on the top cover 2, a plurality of partition plates 5 are disposed inside the housing 1, a rib 6 is disposed at a bottom end inside the housing 1, a polar plate 7 is disposed on one side of each partition plate 5, an electrolyte is disposed inside the housing 1, a drying device 8 is disposed on each partition plate 5, a cooling device 9 is disposed on an inner wall of the housing 1, the cooling device 9 includes a plurality of cooling pipes, a battery 10 is disposed between the partition plates 5, a heat conducting layer is disposed on an outer surface of the battery 10, two terminals 3 are disposed, six injection openings are disposed, the drying device 8 includes a fixing box and a drying agent, and the drying agent is disposed inside the fixing box, the cooling device is characterized in that a through hole is formed in the fixing box, the cooling pipe extends along the horizontal direction and is sequentially arranged along the vertical direction at intervals, the cooling pipe comprises a main body pipe, a liquid inlet pipe and a liquid outlet pipe, and the main body pipe is connected with the liquid outlet pipe.

By means of the technical scheme, the battery pack comprises a shell 1, wherein a top cover 2 is arranged at the top of the shell 1, a terminal 3 and an injection port 4 are arranged on the top cover 2, a plurality of partition plates 5 are arranged in the shell 1, a rib 6 is arranged at the bottom end in the shell 1, a polar plate 7 is arranged on one side of each partition plate 5, electrolyte is arranged in the shell 1, a drying device 8 is arranged on each partition plate 5, a cooling device 9 is arranged on the inner wall of the shell 1, each cooling device 9 comprises a plurality of cooling pipes, a battery 10 is arranged between the partition plates 5, a heat conduction layer is arranged on the outer surface of each battery 10, two terminals 3 are arranged, six injection ports are arranged, each drying device 8 comprises a fixed box and a drying agent, the drying agent is arranged in the fixed box, and a through hole is formed in the fixed box, the cooling tube extends along the horizontal direction to set up along vertical direction interval in proper order, the cooling tube includes main part pipe, feed liquor pipe and drain pipe, main part pipe and drain pipe are connected. The utility model has the advantages of novel structure, design benefit, facilitate the use, through setting up drying device, can absorb the vapor in the battery package box, thereby guarantee the internal air drying of battery package, effectively prevent that battery package from insulating trouble, guarantee that battery package's operational reliability is high, heat transfer to the exterior space through setting up the heat-conducting layer and producing in with the battery use, the inside thermal accumulation of battery package has been prevented, thermal quick transmission has been realized, the relatively poor problem of battery package heat-sinking capability among the prior art has been solved, the security performance is strong, long service life, greatly reduced the cost and improved the space occupancy of battery package, the box that has prevented the battery package is because of removing, the deformation that the inflation of collision or inside battery arouses, greatly increased the bulk rigidity of battery package.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; 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.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a battery pack, includes casing (1), its characterized in that, the top of casing (1) is provided with top cap (2), be provided with terminal (3) and filling opening (4) on top cap (2), the inside of casing (1) is provided with a plurality of baffle (5), the inside bottom of casing (1) is provided with rib (6), one side of baffle (5) is provided with polar plate (7), the inside of casing (1) is provided with electrolyte, be provided with drying device (8) on baffle (5), be provided with cooling device (9) on the inner wall of casing (1), cooling device (9) include a plurality of cooling tube, be provided with battery (10) between baffle (5), the surface of battery (10) is provided with the heat-conducting layer.

2. A battery pack, as claimed in claim 1, characterised in that said terminals (3) are provided in two and said injection openings are provided in six.

3. A battery pack, as in claim 1, characterized in that said drying means (8) comprise a fixed box and a drying agent, said drying agent being arranged inside the fixed box, said box being provided with a through hole.

4. The battery pack according to claim 1, wherein the cooling pipes extend in a horizontal direction and are arranged at intervals in a vertical direction.

5. The battery pack of claim 1, wherein the cooling tube comprises a main tube, a liquid inlet tube and a liquid outlet tube, and the main tube and the liquid outlet tube are connected.