CN213304228U

CN213304228U - Radiating assembly with heat pipe and battery module

Info

Publication number: CN213304228U
Application number: CN202021981509.6U
Authority: CN
Inventors: 徐卫东
Original assignee: Xiamen Haichen New Energy Technology Co Ltd
Current assignee: Xiamen Hithium Energy Storage Technology Co Ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-05-28
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a heat radiation component with a heat pipe and a battery module, which comprises a pulling plate and a heat pipe; the pulling plate is made of a heat conduction material, and a fastening mechanism is arranged on the pulling plate and used for clamping the battery cell; the heat pipe is arranged on one side, far away from the battery core, of the pull plate, a fin used for heat dissipation is arranged at the high-position end of the heat pipe, a cooling medium is filled in the heat pipe, and heat generated by the battery core is conducted to the heat pipe through the pull plate. The utility model discloses utilize heat pipe and fin mating reaction to dispel the heat, equipment radiating efficiency is high, simple structure, and weight and size are little, accord with the requirement of car to subtracting weight and size restriction.

Description

Radiating assembly with heat pipe and battery module

Technical Field

The utility model belongs to the technical field of battery equipment, specifically speaking relates to a take radiator unit and battery module of heat pipe.

Background

The power battery core generally has large working current, and can generate a large amount of heat in the use process, and if the heat cannot be quickly and effectively dissipated, the accumulation of the heat can cause safety accidents such as battery heating, fire, explosion and the like. Set up air passage in power electricity core among some prior art, adopt air cooling's mode to cool down the battery, but air cooling's inefficiency, the difference in temperature is big in importing and exporting, and the heat that can take away in the gaseous short time of low velocity of flow is very limited, hardly digests the heat that battery heavy current charge-discharge produced.

And a plurality of flow channels or a plurality of metal pipes are embedded in the cooling plate, and the liquid pump drives the cooling liquid to flow to take away heat. Because the liquid flow channel is narrow and long, the flow resistance is large, and higher requirements are put forward on the liquid pump. In addition, the internal pressure of the cooling plate is high, and the thickness of the cooling plate is required to be large, usually more than 10mm, so that the weight of the cooling plate is increased, and the requirements of the automobile on weight reduction and size limitation are violated.

SUMMERY OF THE UTILITY MODEL

To foretell not enough among the prior art, the utility model provides a take radiator unit and battery module of heat pipe utilizes heat pipe and fin cooperation to dispel the heat, reduces heat radiation structure's complexity and weight when guaranteeing the radiating efficiency.

In order to achieve the above object, the utility model discloses a solution is: a heat radiation component with a heat pipe comprises a pulling plate and the heat pipe; the pulling plate is made of a heat conduction material, and a fastening mechanism is arranged on the pulling plate and used for clamping the battery cell; the heat pipe is arranged on one side, far away from the battery core, of the pull plate, the heat pipe is provided with fins for heat dissipation, cooling media are filled in the heat pipe, and heat generated by the battery core is conducted to the heat pipe through the pull plate.

Further, the pulling plate is made of a metal material.

Further, the fastening mechanism is a lug, and the lug is fixedly arranged at two ends of the pulling plate.

Further, the pulling plate and the lug are integrally formed.

Further, the pulling plate and the lug are connected through welding

Furthermore, the heat pipe comprises a heat dissipation pipe part and a capillary pipe part, the heat dissipation pipe part is arranged at the high-position end of the capillary pipe part, the capillary pipe parts are evenly arranged along the length direction of the pulling plate, and the high-position ends of the capillary pipe parts are communicated with the heat dissipation pipe part.

Further, the fins are fixedly arranged on the heat dissipation tube part.

Furthermore, a heat-conducting silica gel pad is attached to one side, close to the battery core, of the pulling plate.

The battery module comprises a battery core and the heat dissipation assemblies with the heat pipes, wherein the two heat dissipation assemblies with the heat pipes are symmetrically arranged on two sides of the battery core, and are clamped by a fastening mechanism.

Further, the battery cell protection device further comprises a protection mechanism, wherein the protection mechanism is attached to the outer side of the battery cell and is used for protecting the battery cell.

Furthermore, the protection mechanism comprises an outer shell and a puncture-proof plate, the shape of the outer shell is matched with the outline of the outer side of the electric core, an accommodating cavity is arranged in the outer shell, and a heat dissipation through hole communicated with the accommodating cavity is formed in the peripheral wall of the outer shell; the anti-puncturing plates are fixedly arranged in the accommodating cavities, the cross sections of the anti-puncturing plates are U-shaped, and the anti-puncturing plates are connected end to end in sequence; the middle part of the anti-puncturing plate is provided with a reinforcing rod, and the middle part of the anti-puncturing plate is connected with the outer shell through the reinforcing rod.

The utility model has the advantages that:

(1) the heat generated by the battery is conducted to the heat pipe through the pulling plate, the density of the cooling medium in the heat pipe is reduced after the cooling medium absorbs heat, and the cooling medium flows upwards;

(2) the pull plate has the effects of tensioning the battery cell and conducting heat, the equipment is simple in structure, small in weight and size and capable of meeting the requirements of automobiles on weight reduction and size limitation.

Drawings

FIG. 1 is a schematic view of a heat dissipation assembly with heat pipes according to the present invention;

FIG. 2 is a front view of the heat dissipating module with heat pipes of the present invention;

FIG. 3 is an enlarged view of a portion of the fin of FIG. 2;

fig. 4 is a schematic structural view of the battery module of the present invention;

fig. 5 is a schematic structural view of the battery module according to the present invention after the protection mechanism is disposed;

fig. 6 is a top view of the protection mechanism of the present invention;

fig. 7 is a schematic view of the internal structure of the protection mechanism of the present invention;

in the drawings: 1. pulling a plate; 11. a tab; 2. a heat pipe; 21. a heat dissipating pipe portion; 22. a capillary tube portion; 3. a fin; 4. an electric core; 5. a heat-conducting silica gel pad; 6. a protection mechanism; 61. an outer housing; 62. a stab-resistant plate; 63. an accommodating cavity; 64. a heat dissipating through hole; 65. a reinforcing rod.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example 1:

a heat sink assembly with heat pipes, as shown in fig. 1, 2 and 3, comprises a pull plate 1 and a heat pipe 2; the pulling plate 1 is made of high-strength heat conduction materials such as metal and the like, the pulling plate 1 is provided with the lug pieces 11, the lug pieces 11 are fixedly arranged at two ends of the pulling plate 1, the pulling plate 1 and the lug pieces 11 are integrally formed, and the battery cell 4 is clamped through the lug pieces 11.

One side of the pull plate 1 close to the battery core 4 is attached with a heat-conducting silica gel pad 5, the heat pipe 2 is arranged on one side of the pull plate 1 far away from the battery core 4, a cooling medium is filled in the heat pipe 2, and heat generated by the battery core 4 is conducted to the heat pipe 2 through the pull plate 1. Specifically, the heat pipe 2 includes a heat dissipation pipe portion 21 and a capillary pipe portion 22, the heat dissipation pipe portion 21 is disposed at a high-position end of the capillary pipe portion 22, the fins 3 are fixedly disposed on the heat dissipation pipe portion 21, the capillary pipe portions 22 are uniformly arranged along a length direction of the pulling plate 1, and the high-position ends of the capillary pipe portions 22 are communicated with the heat dissipation pipe portion 21.

Example 2:

the utility model provides a battery module, as shown in fig. 4, includes electric core 4 and as embodiment 1 take the radiator unit of heat pipe, two radiator unit symmetries of taking the heat pipe are located the both sides of electric core 4, and the radiator unit who takes the heat pipe passes through fastening mechanism chucking electric core 4.

Example 3:

the utility model provides a battery module, as shown in fig. 5, includes electric core 4, protection machanism 6 and as embodiment 1 take the radiator unit of heat pipe, two radiator unit symmetries of taking the heat pipe are located the both sides of electric core 4, and the radiator unit who takes the heat pipe passes through fastening mechanism chucking electric core 4.

Protection machanism 6 installs at the both ends of electric core 4, and protection machanism 6 is used for protecting electric core 4, avoids external sharp-pointed object to pierce the battery and leads to the short circuit. As shown in fig. 6 and 7, the protection mechanism 6 includes an outer casing 61 and a puncture-proof plate 62, the shape of the outer casing 61 matches with the outer contour of the battery cell 4, the outer casing 61 has a rectangular box structure, an accommodating cavity 63 is provided in the outer casing 61, and a heat dissipation through hole 64 communicated with the accommodating cavity 63 is provided in the peripheral wall of the outer casing 61; the puncture-proof plate 62 is fixedly arranged in the accommodating cavity 63, the cross section of the puncture-proof plate 62 is U-shaped, and the puncture-proof plates 62 are connected end to end in sequence; the middle part of the puncture-proof plate 62 is provided with a reinforcing rod 65, and the middle part of the puncture-proof plate 62 is connected with the outer shell 61 through the reinforcing rod 65.

When an external sharp object penetrates through one side of the outer shell 61 and is inserted into the accommodating cavity 63, the external sharp object is in contact with the puncture-proof plate 62, the cross section of the puncture-proof plate 62 is U-shaped, the surface of the puncture-proof plate 62 has radian, and the puncture-proof plate 62 can apply tangential component force to a puncture object, so that on one hand, the positive impact force of the puncture object on the puncture-proof plate 62 is reduced, and on the other hand, the tangential component force can bend or break the sharp end of the puncture object, so that the puncture capacity of the puncture object is greatly reduced. If the puncturing object is inserted perpendicular to the tangential direction of the surface of the puncture preventing plate 62, even if the puncturing object penetrates the puncture preventing plate 62, the puncturing object will contact the puncture preventing plate 62 at least for the second time, the moving direction of the puncturing object at the second contact is not perpendicular to the tangential direction of the surface of the puncture preventing plate 62 any more, and the puncture preventing plate 62 will also apply a tangential component force to the puncturing object.

The protection mechanism 6 has good puncture-proof performance, and compared with a single thick protection plate, the protection mechanism is of a hollow structure, has light weight and good heat conduction and heat dissipation capability.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a take radiator unit of heat pipe which characterized in that: comprises a pulling plate (1) and a heat pipe (2); the pull plate (1) is made of heat conducting materials, a fastening mechanism is arranged on the pull plate (1), and the fastening mechanism is used for clamping the battery cell (4);

the heat pipe (2) is arranged on one side, far away from the battery core (4), of the pull plate (1), the heat pipe (2) is provided with fins (3) used for heat dissipation, cooling media are filled in the heat pipe (2), and heat generated by the battery core (4) is conducted to the heat pipe (2) through the pull plate (1).

2. A heat pipe equipped heat sink assembly as recited in claim 1, wherein: the fastening mechanism is a lug (11) which is fixedly arranged at two ends of the pulling plate (1).

3. A heat pipe equipped heat sink assembly as recited in claim 2, wherein: the pulling plate (1) and the lug (11) are integrally formed.

4. A heat pipe equipped heat sink assembly as recited in claim 2, wherein: the pulling plate (1) is connected with the lug (11) through welding.

5. A heat pipe equipped heat sink assembly as recited in claim 1, wherein: the heat pipe (2) comprises a heat dissipation pipe part (21) and a capillary pipe part (22), the heat dissipation pipe part (21) is arranged at the high-position end of the capillary pipe part (22) and is multiple, the capillary pipe part (22) is arranged along the length direction of the pull plate (1) uniformly, and the high-position end of the capillary pipe part (22) is communicated with the heat dissipation pipe part (21).

6. A heat pipe equipped heat sink assembly as recited in claim 5, wherein: the fins (3) are fixedly arranged on the heat dissipation pipe parts (21).

7. A heat pipe equipped heat sink assembly as recited in claim 1, wherein: one side of the pulling plate (1) close to the battery core (4) is attached with a heat-conducting silica gel pad (5).

8. A battery module, its characterized in that: the battery comprises a battery cell (4) and the heat dissipation assembly with the heat pipe as set forth in any one of claims 1 to 7, wherein the two heat dissipation assemblies with the heat pipe are symmetrically arranged on two sides of the battery cell (4), and the battery cell (4) is clamped by the heat dissipation assembly with the heat pipe through a fastening mechanism.

9. The battery module according to claim 8, wherein: the battery cell protection device is characterized by further comprising a protection mechanism (6), wherein the protection mechanism (6) is attached to the outer side of the battery cell (4), and the protection mechanism (6) is used for protecting the battery cell (4).

10. The battery module according to claim 9, wherein: the protection mechanism (6) comprises an outer shell (61) and a puncture-proof plate (62), the shape of the outer shell (61) is matched with the outline of the outer side of the battery cell (4), an accommodating cavity (63) is arranged in the outer shell (61), and a heat dissipation through hole (64) communicated with the accommodating cavity (63) is formed in the peripheral wall of the outer shell (61); the puncture-proof plates (62) are fixedly arranged in the accommodating cavity (63), the cross sections of the puncture-proof plates (62) are U-shaped, and the puncture-proof plates (62) are connected end to end in sequence; the middle part of the puncture-proof plate (62) is provided with a reinforcing rod (65), and the middle part of the puncture-proof plate (62) is connected with the outer shell (61) through the reinforcing rod (65).