CN217468571U

CN217468571U - Battery module heat abstractor and battery package

Info

Publication number: CN217468571U
Application number: CN202221115446.5U
Authority: CN
Inventors: 施敏捷; 刘天皓; 孟祥金
Original assignee: Suzhou Jk Energy Ltd
Current assignee: Suzhou Jingkong Energy Technology Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-09-20
Anticipated expiration: 2032-05-10

Abstract

The utility model relates to a battery heat dissipation technical field, concretely relates to battery pack, battery pack include battery module and battery module heat abstractor, battery module heat abstractor includes the box, sets up the wind channel frame in the box and sets up the fan outside the box, six faces of box cladding battery module, including front end plate, rear end plate and layering, the both ends of layering are connected front end plate and rear end plate; the air duct frame is arranged in the middle of the battery module and divides the battery module into two parts which are arranged side by side, an air inlet is formed in the air duct frame, and the side wall where the pressing strip is located corresponds to the opening of the air duct frame; the fan is arranged on the outer side of the box body and is suitable for exhausting air to the inside of the air duct frame through the air inlet. The utility model discloses cancel the mode of traditional trilateral tank wall, set the lateral wall through with the box to and can dismantle the connection to set one of them lateral wall to the layering, the radiating effect is good.

Description

Battery module heat abstractor and battery package

Technical Field

The utility model relates to a battery heat dissipation technical field, concretely relates to battery module heat abstractor and battery package.

Background

Air cooling is a common heat dissipation method for a battery module, and generally, a fan is arranged in the battery module to accelerate heat dissipation of a battery and transmit the heat to a shell through blowing of the fan, so that the purpose of heat dissipation is achieved. The battery module is cooled by pure air cooling, the heat dissipation is that the heat of the battery is dispersed to the shell by taking the air as a medium, and then the shell dissipates the heat to the outside. Therefore, the simple air-cooling heat dissipation mode is adopted, the heat dissipation speed is low, and the heat dissipation is uneven (wind is easy to block, and the distance from the battery to the fan is different due to different wind forces). Particularly, when the external temperature is high (such as summer), the temperature difference between the shell and the outside is small, the heat transfer is slow, and the cooling effect is poor.

The existing battery module is in a sealing design of a box body, a box cover and a sealing ring, or an air hole is formed in the box wall of the box body of the battery module, and the existing battery module is in an air duct-free design, so that the existing battery module has the defects of high cost, poor heat dissipation, high air quantity attenuation, low assembly efficiency and complex structure.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the inefficient defect of battery module heat dissipation among the prior art to a battery module heat abstractor and battery package are provided.

In order to solve the above problem, the utility model provides a battery module heat abstractor, include:

the box body coats six surfaces of two parallel battery modules and comprises a front end plate, a rear end plate and a pressing strip, wherein two ends of the pressing strip are connected with the front end plate and the rear end plate;

the air duct frame is arranged between the two parallel battery modules, an air inlet is formed in the air duct frame, and the side wall where the pressing strip is located corresponds to the opening of the air duct frame;

and the fan is arranged on the outer side of the box body and is suitable for blowing air to the inside of the air duct frame through the air inlet.

Optionally, two side walls of the box body are press strips, and the two side walls correspond to the opening of the air duct frame.

Optionally, each of the pressing strips is provided with a vent hole suitable for ventilation at a gap between adjacent batteries.

Optionally, the number of the vent holes on the pressing strip is a plurality of, and the vent holes are uniformly arranged along the length direction of the pressing strip.

Optionally, the number of the pressing strips on each side wall is two, and the two pressing strips are arranged side by side.

Optionally, the top of the box body is a cover plate, and the cover plate is provided with a limiting opening corresponding to the positions of the two parallel battery modules.

Optionally, a front panel is disposed outside the box, the fan is disposed on the front panel, and end portions of the cover plate are respectively connected to the front panel and the rear end plate.

Optionally, the box further comprises a front end plate, and an air inlet duct is further arranged between the fan and the front end plate.

Optionally, the front panel is connected to the box body through a bolt.

The utility model also provides a battery package, including foretell battery module heat abstractor.

The utility model has the advantages of it is following:

1. the battery module heat radiation structure comprises a box body, an air duct frame arranged in the box body and a fan arranged outside the box body, wherein the box body comprises a front end plate, a rear end plate and a pressing strip, each side wall of the box body is detachably connected, and at least one side wall of the box body is formed by the pressing strip. The fan is to the wind channel frame convulsions in the box, produces the negative pressure in the wind channel frame, and outside cold wind gets into the wind channel frame from the lateral wall that the battery module middling pressure strip was located, and in concrete point says, from the gap entering wind channel frame between the battery module between the adjacent battery, flow from fan department at last, form and flow, and the wind that constantly flows takes away the heat between the battery module, reaches radiating effect.

2. The two ends of the pressing strip are respectively connected with the front end plate and the rear end plate, the pressing strip forms one side wall of the box body, and external cold air can enter the air duct frame from the side wall where the pressing strip is located, so that the strength is guaranteed, and the heat dissipation effect is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are 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 shows an overall schematic diagram of a battery pack according to an embodiment of the present invention;

fig. 2 is a schematic diagram illustrating a partial explosion of a heat dissipation device for a battery module according to an embodiment of the present invention;

fig. 3 is an explosion diagram illustrating the structure of the air duct of the heat dissipation device of the battery module according to the embodiment of the present invention;

fig. 4 shows a schematic view of a compression strip according to an embodiment of the present invention.

Description of reference numerals:

1. a box body; 2. a battery module; 3. an air duct frame; 4. a front panel; 5. an air inlet duct; 11. a front end plate; 111. a through hole; 12. a rear end plate; 13. a cover plate; 131. a limiting port; 14. a bottom wall panel; 15. layering; 151. a vent hole; 31. an air inlet hole; 41. a fan.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood 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 without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between 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.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The embodiment of the utility model discloses battery package, refer to fig. 1 to 4, including battery module 2 and cladding battery module 2's battery module heat abstractor, battery module heat abstractor includes box 1, and box 1 includes front end plate 11, back end plate 12, apron 13, end wall board 14 and

layering

15, and 1 cladding battery module 2 of box, and can dismantle the connection between each wallboard. Battery module 2 is set up by a plurality of batteries side by side together, and battery module 2 quantity is two in this scheme, and two battery modules 2 set up side by side. Be provided with wind channel frame 3 between two battery module 2, wind channel frame 3 is located inside box 1, the outside of box 1 still is provided with fan 41, fan 41 is to convulsions in the wind channel frame 3, fan 41 is to the wind channel frame 3 convulsions in the box 1, produce the negative pressure in the wind channel frame 3, outside cold wind gets into wind channel frame 3 from the lateral wall at battery module 2 middling pressure strip 15 place, it says so specifically, gap between the adjacent battery gets into wind channel frame 3 in the battery module 2, flow from fan 41 at last, the formation flows, the wind that constantly flows takes away the heat between battery module 2, reach radiating effect. This scheme is under the condition that does not influence intensity, cancels the mode of traditional trilateral tank wall, replaces the case lid in the past into plastic uptake apron 13, has guaranteed the security performance to increased the wind channel structure, the radiating effect is good, and the packaging efficiency is high, and convenient the maintenance.

Referring to fig. 1 and 2, in this embodiment, the positions of the side walls of the case 1 will be described by taking the case where the positive electrode of the battery in the battery module 2 is located above and the negative electrode is located below. Specifically, the battery module 2 is provided in a rectangular parallelepiped shape, the front end plate 11 and the rear end plate 12 are provided on the side surfaces in the width direction of the battery module 2, and the compression beads 15 are provided on the side surfaces in the length direction of the battery module 2. The cover plate 13 is a plastic-absorbing member and is disposed on the top of the battery module 2, and the bottom wall plate 14 is disposed on the bottom of the battery module 2. The front end plate 11, the rear end plate 12, the batten 15, the cover plate 13 and the bottom wall plate 14 are connected with each other through bolts, and therefore disassembly is convenient.

The cover plate 13 is provided with a limit opening 131, the position of the limit opening 131 corresponds to the gap position between the two battery modules 2 arranged side by side, the shape of the limit opening 131 is long, the limit opening 131 protrudes downwards, the limit opening adapts to the shape of the gap, the side wall of the protrusion is attached to the gap, and the battery modules 2 are clamped between the protrusion and the gap.

Referring to fig. 2 and 4, two lateral walls of battery module 2 horizontal direction comprise layering 15, layering 15 is rectangular form, the both ends of layering 15 are all through bolted connection on front end plate 11 and rear end plate 12, be provided with a plurality of ventilation holes 151 on the layering 15, the quantity of ventilation hole 151 is unlimited, the position of ventilation hole 151 corresponds with the clearance position between the adjacent battery, preferably evenly set up along its self length direction, like this, outside cold wind can be followed ventilation hole 151 and got into in wind channel frame 3, increase air inlet area, the circulation of air of being convenient for. The number of the pressing strips 15 on each side wall is preferably two, the two pressing strips 15 are arranged side by side, and in the scheme, the number of the pressing strips 15 on the two side walls is two.

Referring to fig. 2 and 3, a front panel 4 is further provided on the outer side of the case 1, the front panel 4 is spaced apart from the front end plate 11, and the front panel 4 is bolted to the bottom wall plate 14 and the cover plate 13, respectively. The fan 41 is installed on the front panel 4, an air inlet duct 5 is further arranged between the front panel 4 and the front end plate 11, the air inlet duct 5 is a square channel, two ends of the air inlet duct 5 are respectively connected with the front panel 4 and the front end plate 11, a through hole 111 is arranged on the front end plate 11, and an air inlet hole 31 is arranged on the air duct frame 3. When the fan 41 draws air into the duct frame 3, air flows from the duct frame 3 through the air inlet holes 31, then enters the air inlet duct 5 through the through holes 111 of the front end plate 11, and is blown out from the fan 41.

The air duct frame 3 is a square frame structure, and the air duct frame 3 is connected to the rear end plate 12 through bolts. When the air duct frame 3 is clamped between the two battery modules 2, a cavity is formed in the space inside the air duct frame 3 and between the two battery modules 2, and due to the fact that a gap is formed between the adjacent batteries in the battery modules 2, external cold air enters the cavity from the side wall where the pressing strip 15 is located, and heat on the batteries is taken away in the air flowing process.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. The utility model provides a battery module heat abstractor which characterized in that: the method comprises the following steps:

the box body (1) coats six faces of two battery modules (2) which are arranged side by side and comprises a front end plate (11), a rear end plate (12) and a pressing strip (15), and two ends of the pressing strip (15) are connected with the front end plate (11) and the rear end plate (12);

the air duct frame (3) is arranged between the two battery modules (2) which are arranged side by side, an air inlet hole (31) is formed in the air duct frame (3), and the side wall where the pressing strip (15) is located corresponds to an opening of the air duct frame (3);

and the fan (41) is arranged on the outer side of the box body (1) and is suitable for exhausting air from the air channel frame (3) through the air inlet hole (31).

2. The heat sink for battery modules as set forth in claim 1, wherein: two side walls of the box body (1) are pressing strips (15), and the two side walls correspond to the opening of the air duct frame (3).

3. The heat sink for battery modules as set forth in claim 2, wherein: each pressing strip (15) is provided with a vent hole (151) suitable for ventilation at the gap between adjacent batteries.

4. The heat sink for battery modules as set forth in claim 3, wherein: the number of the vent holes (151) on the pressing strip (15) is a plurality of, and the vent holes (151) are uniformly arranged along the length direction of the pressing strip (15).

5. The heat sink for battery module according to claim 4, wherein: the number of the pressing strips (15) on each side wall is two, and the two pressing strips (15) are arranged side by side.

6. The heat sink for battery modules as set forth in claim 1, wherein: the top of box (1) is apron (13), offer on apron (13) with two spacing mouthful (131) that correspond side by side battery module (2) position.

7. The heat sink for battery modules as set forth in claim 6, wherein: the outer side of the box body (1) is provided with a front panel (4), the fan (41) is arranged on the front panel (4), and the end part of the cover plate (13) is respectively connected with the front panel (4) and the rear end plate (12).

8. The heat sink for battery modules as set forth in claim 7, wherein: the box body (1) further comprises a front end plate (11), and an air inlet duct (5) is further arranged between the fan (41) and the front end plate (11).

9. The heat sink for battery modules as set forth in claim 8, wherein: the front panel (4) is connected to the box body (1) through bolts.

10. A battery pack, comprising: the heat sink including the battery module according to any one of claims 1 to 9.