CN211507706U

CN211507706U - Battery pack with stable structure

Info

Publication number: CN211507706U
Application number: CN201922474017.1U
Authority: CN
Inventors: 陈宝梁; 郑培辉; 李�柱; 吴敏; 李兵; 王凯杰
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: 2020-09-15
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a stable in structure's battery package, include battery case, first heat dissipation baffle, first battery module, decide frame, second battery module and second heat dissipation baffle, a serial communication port, first heat dissipation baffle, first battery module, decide frame, second battery module and second heat dissipation baffle are from last to installing in proper order down in battery case, the casing includes cap, drain pan, cap and drain pan cooperation, the one end lateral wall of drain pan is provided with the air intake, the corresponding other end lateral wall of drain pan is provided with the air outlet. The utility model provides a battery package structural design is simple, and the compactness is strong, and buffer spring on first heat dissipation baffle and the second heat dissipation baffle can guarantee that the battery is inside can not rock because the outside jolts, leads to the inside device of battery package to take place inside not hard up, and this battery package has guaranteed the stable and radiating normal clear of inside of battery package under the condition of holding in not influencing the battery package simultaneously.

Description

Battery pack with stable structure

Technical Field

The utility model relates to a battery technology field particularly, relates to a stable in structure 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.

However, because the liquid cooling system structural design of battery package is comparatively complicated, and pipeline and interface spare part are numerous, and the car is during operation under complicated operating mode for a long time, when the condition of jolting appears, leads to battery package inside not hard up easily, arouses the potential safety hazard, if battery package structural design is unreasonable simultaneously, the heat dissipation goes wrong and influences battery package life-span and use.

Disclosure of Invention

An object of the utility model is to provide a stable in structure's battery package to prevent that the battery package from leading to the battery package inside not hard up owing to vibrations, arouse the potential safety hazard, promote the security of battery package.

In order to achieve the above object, the technical solution of the present invention is thus achieved.

A battery pack with a stable structure comprises a battery shell, a first heat dissipation partition plate, a first battery module, a fixed frame, a second battery module and a second heat dissipation partition plate, wherein the first heat dissipation partition plate, the first battery module, the fixed frame, the second battery module and the second heat dissipation partition plate are sequentially arranged in the battery shell from top to bottom, the shell comprises a shell cover and a bottom shell, the shell cover is matched with the bottom shell, two bayonets are symmetrically arranged above the first heat dissipation partition plate, the first battery module and the second battery module are fixed through the fixed frame, the first battery module and the second battery module are separated in the fixed frame through a separating plate, two symmetrical single-head buckles are arranged at two ends above the fixed frame, the single-head buckles correspond to the bayonets above the first heat dissipation partition plate, the single-head buckles are buckled with the bayonets, and an air inlet is arranged on one end side wall of the bottom shell, and an air outlet is formed in the side wall of the other end corresponding to the bottom shell.

Preferably, a plurality of buffer springs are arranged above the first heat dissipation partition plate and below the second heat dissipation partition plate.

Preferably, the first heat dissipation partition plate, the second heat dissipation partition plate and the outer walls of the left side and the right side of the fixed frame are respectively provided with a first protruding portion, a second protruding portion and a third protruding portion, and the inner walls of the left side and the right side of the bottom cover are provided with column grooves for accommodating and fixing the first protruding portion, the second protruding portion and the third protruding portion.

Preferably, the first, second and third projections are semi-cylindrical.

Preferably, the battery case, the first heat dissipation spacer and the second heat dissipation spacer are all made of a metal material.

Compared with the prior art, battery package have following advantage:

the utility model provides a pair of stable in structure's battery package, simple structure, during operation under complicated operating mode for a long time, buffer spring on first heat dissipation baffle and the second heat dissipation baffle can guarantee that the battery is inside can not jolt because of the outside and rock, leads to the inside device of battery package to take place inside not hard up, and first heat dissipation baffle and second heat dissipation baffle cooperate with air intake and air outlet simultaneously, guarantee the heat dissipation and normally go on. The service life of the battery pack is prolonged.

Drawings

Fig. 1 is a schematic structural diagram provided by the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "fixed", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore 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. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Referring to fig. 1, a battery pack with stable structure comprises a battery housing 1, a first heat dissipation partition plate 2, a first battery module 3, a fixed frame 4, a second battery module 5 and a second heat dissipation partition plate 6, wherein the first heat dissipation partition plate 2, the first battery module 3, the fixed frame 4, the second battery module 5 and the second heat dissipation partition plate 6 are sequentially installed in the battery housing 1 from top to bottom, the housing comprises a housing cover 7 and a bottom housing 8, the housing cover 7 is matched with the bottom housing 8, two bayonets 9 are symmetrically arranged above the first heat dissipation partition plate 2, the first battery module 3 and the second battery module 5 are fixed through the fixed frame 4, the first battery module 3 and the second battery module 5 are isolated in the fixed frame 4 through a separating plate 10, two symmetrical single-head buckles 11 are arranged at two ends above the fixed frame 4, the single-head buckles 11 correspond to the bayonets 9 above the first heat dissipation partition plate 2, the single-end buckle 11 is buckled with the bayonet 9, an air inlet 12 is arranged on one side wall of the bottom shell 8, and an air outlet 13 is arranged on the other side wall corresponding to the bottom shell 8.

Further, a plurality of buffer springs 14 are arranged above the first heat dissipation partition plate 2 and below the second heat dissipation partition plate 6, the shell cover 7 and the bottom shell 8 are supported by the buffer springs 14, a buffer space is reserved, the first battery module 3 and the second battery module 5 are integrally stable in the fixed frame 4, and external influence is avoided.

Furthermore, the outer walls of the left side and the right side of the first heat dissipation partition board 2, the second heat dissipation partition board 6 and the fixed frame 4 are respectively provided with a first protruding part 16, a second protruding part 17 and a third protruding part 18, the inner walls of the left side and the right side of the bottom cover are provided with a column groove 15 for accommodating and fixing the first protruding part 16, the second protruding part 17 and the third protruding part 18, the first protruding part 16, the second protruding part 17 and the third protruding part 18 can be placed in the column groove 15 to be stacked, and the first protruding part 16, the second protruding part 17 and the third protruding part 18 are of a semi-cylindrical shape, so that the dislocation inside the battery is prevented.

In addition, battery case 1, first thermal baffle 2 and second thermal baffle 6 are in order to do benefit to the heat dissipation of battery module by metal material by making, adopt aluminum alloy material to make, not only heat conductivility is good, and the quality is light, reduces battery package whole weight.

The utility model provides a stable in structure's battery package, decide frame 4 and carry out the lock joint through single-end buckle 11 and first heat dissipation baffle 2, first heat dissipation baffle 2 and second heat dissipation baffle 6 will decide the battery module in the frame 4 and press from both sides, first heat dissipation baffle 2, decide frame 4, the second heat dissipation is installed between cap 7 and drain pan 8, and protruding portion and post groove 15 cooperation are fixed, first heat dissipation baffle 2, second heat dissipation baffle 6, air intake 12 and air outlet 13 cooperation distribute the heat that the battery package work produced, guarantee that the battery is inside stable.

The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.

Claims

1. A battery pack with a stable structure comprises a battery shell (1), a first heat dissipation partition plate (2), a first battery module (3), a fixed frame (4), a second battery module (5) and a second heat dissipation partition plate (6), and is characterized in that the first heat dissipation partition plate (2), the first battery module (3), the fixed frame (4), the second battery module (5) and the second heat dissipation partition plate (6) are sequentially arranged in the battery shell (1) from top to bottom, the shell comprises a shell cover (7) and a bottom shell (8), the shell cover (7) is matched with the bottom shell (8), two bayonets (9) are symmetrically arranged above the first heat dissipation partition plate (2), the first battery module (3) and the second battery module (5) are fixed through the fixed frame (4), and the first battery module (3) and the second battery module (5) are isolated in the fixed frame (4) through a separation plate (10), decide top both ends of frame (4) and be provided with single-end buckle (11) of two symmetries, single-end buckle (11) correspond with bayonet socket (9) of first heat dissipation baffle (2) top, single-end buckle (11) and bayonet socket (9) lock joint, the one end lateral wall of drain pan (8) is provided with air intake (12), the corresponding other end lateral wall of drain pan (8) is provided with air outlet (13).

2. A structurally stable battery pack according to claim 1, characterized in that a plurality of buffer springs (14) are provided above the first heat dissipating partition (2) and below the second heat dissipating partition (6).

3. The battery pack with stable structure as claimed in claim 1, wherein the first heat-dissipating partition (2), the second heat-dissipating partition (6) and the outer walls of the fixed frame (4) at the left and right sides are respectively provided with a first protrusion (16), a second protrusion (17) and a third protrusion (18), and the inner walls at the left and right sides of the bottom case (8) are provided with a column groove (15) for accommodating and fixing the first protrusion (16), the second protrusion (17) and the third protrusion (18).

4. A structurally stable battery pack, according to claim 3, characterized in that said first (16), second (17) and third (18) protrusions are of semi-cylindrical shape.

5. A structurally stable battery pack according to claim 1, wherein the battery case (1), the first heat-dissipating spacer (2) and the second heat-dissipating spacer (6) are made of a metal material.