CN111740185A - A heat dissipation device for a new energy battery pack and a heat dissipation method thereof - Google Patents

Abstract

The invention discloses a heat dissipation device of a new energy battery pack and a heat dissipation method thereof, the heat dissipation device comprises a shell and a first heat dissipation silica gel sheet, the shell is of a hollow inwards concave rectangular structure, the surface side in the shell is provided with the first heat dissipation silica gel sheet, the shell is fixedly connected with the first heat dissipation silica gel sheet through screws, the traditional baffles at two sides are arranged into a first baffle and a second baffle, thus the first heat dissipation fan and the second heat dissipation fan in the first baffle can have better heat dissipation effect, the invention can combine with a heat dissipation window in the second baffle to better dissipate the heat in the shell during heat dissipation, and the third heat dissipation silica gel sheet and the fourth heat dissipation silica gel sheet can better dissipate the heat in the battery pack, the accumulation of heat inside the battery pack is avoided.

Description

A heat dissipation device for a new energy battery pack and a heat dissipation method thereof

technical field

The invention belongs to the technical field related to new energy technology, and in particular relates to a heat dissipation device of a new energy battery pack and a heat dissipation method thereof.

Background technique

Graphene battery, a new energy battery developed by utilizing the characteristics of lithium ions moving rapidly and in large quantities between the graphene surface and the electrodes. The application advantages are also extremely prominent. Not long ago, NASA in the United States developed a graphene sensor used in the aerospace field, which can well detect trace elements in the earth's upper atmosphere and structural defects on spacecraft. Graphene will also play a more important role in potential applications such as ultra-light aircraft materials.

The existing heat dissipation device and heat dissipation method for new energy battery packs have the following problems: the heat dissipation device and heat dissipation method of the existing new energy battery pack generally use silica gel sheets to conduct heat during heat dissipation. The heat transfer may be better when conducting heat, but the heat dissipation device does not have good heat transfer inside the battery pack, which may cause the external heat dissipation to be too slow due to the high internal temperature. The outer shell of the fuselage is generally used for protection, and there is no good heat dissipation effect, so the problem of unstable heat dissipation may occur.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a heat dissipation device of a new energy battery pack and a heat dissipation method thereof, so as to solve the problem of heat dissipation during the heat dissipation of the existing heat dissipation device of a new energy battery pack and its heat dissipation method proposed in the above background technology. Not good and the way of heat dissipation is too monotonous may cause the problem of poor heat dissipation.

In order to achieve the above purpose, the present invention provides the following technical solutions: a heat dissipation device for a new energy battery pack and a heat dissipation method thereof, comprising a casing and a first heat dissipation silica gel sheet, wherein the casing is a hollow and concave rectangular body structure, so The inner surface side of the casing is provided with a first heat-dissipating silica gel sheet, the casing and the first heat-dissipating silica gel sheet are fixedly connected by screws, the upper end of the first heat-dissipating silica gel sheet is provided with a battery pack, and the battery pack is connected to the first heat-dissipating silica gel sheet. The heat-dissipating silicone sheet is fixedly connected by screws, the upper end of the battery pack is provided with a battery pack fixing cover, the battery pack fixing cover is fixed on the surface side of the upper end of the battery pack by screws, and the battery pack fixing cover fixes the battery pack stably , the battery pack fixing cover plays a certain protective role, the upper end of the battery pack fixing cover is provided with a second heat-dissipating silica gel sheet, and the size and shape of the second heat-dissipating silica gel sheet and the first heat-dissipating silica gel sheet are the same , the upper end of the second heat-dissipating silicone sheet is provided with a top cover, the top cover is fixedly connected with the shell by screws, the top cover is a flat plate-like structure, and the four corners of the top cover are close to the lower end of the shell Each is provided with a threaded hole, the surface side of the left end of the outer casing is provided with a first baffle plate, the first baffle plate is fixedly connected with the outer casing by screws, and the surface side of the right end of the outer casing is provided with a second baffle plate, The second baffle and the shell are fixedly connected by screws, the size and specifications of the first baffle and the second baffle are the same, and the first baffle, the shell, the second baffle and the top cover together form one The inner hollow rectangular body structure, the thickness of the first baffle, the shell, the second baffle and the top cover are all the same, and the materials of the first baffle, the shell, the second baffle and the top cover are the same, so The first baffle, the shell, the second baffle and the top cover are all fixedly connected with screws.

Preferably, the composition of the first baffle includes a first plate body, a first cooling fan and a second cooling fan, the first plate body is a flat plate-shaped structure, and the interior of the first plate body The left end is provided with a first cooling fan, the first cooling fan is electrically connected with the power switch, the first cooling fan is sleeved inside the first plate body, and the inner right end of the first plate body is provided with a A second cooling fan, the second cooling fan is electrically connected to the power switch, the second cooling fan is sleeved inside the first plate body, and the size and specifications of the first cooling fan and the second cooling fan are the same Similarly, the first baffle plate is fixedly connected to the housing by screws through the first plate body.

Preferably, the battery pack is composed of a heat dissipation base plate, a battery pack body, a third heat dissipation silicone sheet and a fourth heat dissipation silicone sheet, and a battery pack body is provided on the surface side of the upper end of the heat dissipation base plate, and the battery pack body is A number of small battery pack modules are arranged in total. The left end of the inner side of the battery pack body is provided with a third heat-dissipating silica gel sheet. The third heat-dissipating silica gel sheet is sleeved inside the battery pack body. The inner side of the battery pack body The right end is provided with a fourth heat-dissipating silicone sheet, the fourth heat-dissipating silicone sheet is sleeved inside the main body of the battery pack, the heat-dissipating base plate is a flat plate-like structure, and the inner axis of the heat-dissipating base plate is provided with a In the groove-shaped structure, the material of the heat dissipation base plate is a silica gel sheet, and the battery pack is fixedly connected with the shell through the heat dissipation base plate by screws.

Preferably, the composition of the second baffle plate includes a second plate body and a heat dissipation window, the second plate body is a flat plate-like structure, and the inner axis of the second plate body is provided with a rectangular shape The hole-like structure of the body, the surface side of the left end of the second plate body is provided with a heat dissipation window, the heat dissipation window is sleeved on the surface side of the left end of the second plate body, and the heat dissipation window is a striated structure, The interior of the heat dissipation window is provided with a plurality of horizontal plates, the distances between the horizontal plates inside the heat dissipation window are the same, and the second baffle is fixedly connected to the housing through the second plate body by screws.

Preferably, the outer casing is a concave rectangular body structure, the outer casing is provided with three side plates in total, and the dimensions and specifications of the three inner side plates of the outer casing are the same. The interior of the plate is sequentially provided with connecting holes, and the surface sides of the upper ends of the side plates on both sides of the casing are provided with positioning holes.

Preferably, the first baffle and the second baffle are both flat plate-like structures, the first baffle and the second baffle are the same in size and specification, and the first baffle and the second baffle are the same in size and specification. The inner four corners of the baffle are provided with threaded holes, and the first baffle and the second baffle are respectively fixedly connected to the casing by screws.

Preferably, both the first cooling fan and the second cooling fan are electrically connected to the power switch, the first cooling fan and the second cooling fan are respectively sleeved at the left and right ends of the inside of the first plate body, and the The size and specification of the first cooling fan and the second cooling fan are the same, and the connecting lines of the first cooling fan and the second cooling fan are different in a parallel connection manner.

Preferably, the third heat-dissipating silicone sheet and the fourth heat-dissipating silicone sheet are both flat and plate-like structures, and the third and fourth heat-dissipating silicone sheets are specially produced for the design scheme of using gaps to transfer heat. Filling the gap and completing the heat transfer between the heat-generating part and the heat-dissipating part, the third heat-dissipating silicone sheet and the fourth heat-dissipating silicone sheet also play the roles of insulation, shock absorption, and sealing.

Preferably, the battery pack fixing cover is a flat plate-like structure, the four corners of the inner lower end of the battery pack fixing cover are provided with threaded holes, and the size of the battery pack fixing cover is larger than that of the battery pack , the interior of the threaded holes at the four corners of the lower end of the battery pack fixing cover are provided with internal thread grooves.

Compared with the prior art, the present invention provides a heat dissipation device for a new energy battery pack and a heat dissipation method thereof, which have the following beneficial effects:

(1) In the present invention, the traditional baffles on both sides are set as the existing first baffle and the second baffle, and a first cooling fan and a second cooling fan are arranged inside the first baffle, In this way, the first cooling fan and the second cooling fan inside the first baffle can make better heat dissipation;

(2) In the present invention, when heat dissipation, the heat dissipation window inside the second baffle can be combined to make the heat inside the casing be better dissipated, so that the heat inside the casing can not be generated. The problem that cannot be dissipated, so that better heat dissipation can be achieved;

(3) In the present invention, a third heat dissipation silicone sheet and a fourth heat dissipation silicone sheet are arranged inside the battery pack, so that the battery pack can be made under the action of the third heat dissipation silicone sheet and the fourth heat dissipation silicone sheet. The internal heat is better dissipated, avoiding the accumulation of heat inside the battery pack, so as to solve the problem that the heat dissipation device and the heat dissipation method of the existing new energy battery pack have poor heat dissipation and excessive heat dissipation during heat dissipation. Monotonicity may have problems with poor heat dissipation.

Description of drawings

1 is a schematic structural diagram of a heat sink of a new energy battery pack of the present invention;

2 is a schematic structural diagram of a first baffle plate of the present invention;

3 is a schematic diagram of the structure of the battery pack of the present invention;

4 is a schematic structural diagram of a second baffle plate of the present invention;

In the figure: 1. The first baffle plate; 11. The first plate body; 12. The first cooling fan; 13. The second cooling fan; 2. The first cooling silicone sheet; 3. The battery pack; , the main body of the battery pack; 33, the third heat dissipation silicone sheet; 34, the fourth heat dissipation silicone sheet; 4, the shell; 5, the second baffle; 51, the second plate body; 52, the heat dissipation window; 6, the battery pack fixing cover ; 7. The second heat-dissipating silicone sheet; 8. The top cover.

Detailed ways

The technical solutions 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. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-4, the present invention provides a technical solution: a heat dissipation device for a new energy battery pack and a heat dissipation method thereof, including a casing 4 and a first heat dissipation silicone sheet 2, and the casing 4 is a hollow and concave rectangle inside. The inner surface of the casing 4 is provided with a first heat-dissipating silica gel sheet 2, the casing 4 and the first heat-dissipating silica gel sheet 2 are fixedly connected by screws, and the upper end of the first heat-dissipating silica gel sheet 2 is provided with a battery pack 3, and the battery pack 3 The composition includes a heat dissipation base plate 31, a battery pack main body 32, a third heat dissipation silicone sheet 33 and a fourth heat dissipation silicone sheet 34. The surface side of the upper end of the heat dissipation base plate 31 is provided with a battery pack main body 32. The battery pack main body 32 is provided with several A small battery pack module, the inner left end of the battery pack main body 32 is provided with a third heat-dissipating silicone sheet 33, the third heat-dissipating silicone sheet 33 and the fourth heat-dissipating silicone sheet 34 are both flat plate-like structures, and the third heat-dissipating silicone sheet 33 and the fourth heat-dissipating silicone sheet 34 are specially designed for the use of gaps to transfer heat, which can fill the gap and complete the heat transfer between the heat-generating part and the heat-dissipating part, so as to make better heat transfer, the third heat-dissipating silicone sheet 33 and the fourth heat-dissipating silicone sheet 34 also play the roles of insulation, shock absorption, sealing, etc., so as to make better heat dissipation and avoid heat accumulation,

A heat-dissipating device for a new energy battery pack and a heat-dissipating method thereof, comprising a third heat-dissipating silicone sheet 33 sleeved inside a battery pack main body 32, a fourth heat-dissipating silicone sheet 34 arranged on the right end of the inner side of the battery pack main body 32, and a fourth heat-dissipating silicone sheet 34. The heat-dissipating silicone sheet 34 is sleeved inside the battery pack body 32, the heat-dissipating base plate 31 is a flat plate-like structure, and a groove-shaped structure is provided at the inner axis of the heat-dissipating base plate 31, and the material of the heat-dissipating base plate 31 is a silicone sheet. The battery pack 3 is fixedly connected to the casing 4 through the heat dissipation base plate 31, and the battery pack 3 is fixedly connected to the first heat dissipation silicone sheet 2 by screws. The upper end of the battery pack 3 is provided with a battery pack fixing cover 6, and the battery pack fixing cover 6 is flat. The four corners of the lower end of the battery pack fixing cover 6 are each provided with a threaded hole. Through the arrangement of the threaded holes, a better fixed connection can be made, so that a better integrated , the size of the battery pack fixing cover 6 is larger than the size of the battery pack 3, and the inside of the threaded holes at the four corners of the lower end of the battery pack fixing cover 6 are provided with internal thread grooves,

A heat dissipation device for a new energy battery pack and a heat dissipation method thereof, comprising a battery pack fixing cover 6 fixed on the surface side of the upper end of the battery pack 3 by screws, the battery pack fixing cover 6 fixing the battery pack 3 stably, and the battery pack fixing cover 6 Playing a certain protective role, the upper end of the battery pack fixing cover 6 is provided with a second heat dissipation silicone sheet 7 , the size and shape of the second heat dissipation silicone sheet 7 and the first heat dissipation silicone sheet 2 are the same, and the second heat dissipation silicone sheet 7 The upper end is provided with a top cover 8, the top cover 8 is fixedly connected with the outer shell 4 by screws, the outer shell 4 is a concave rectangular body structure, the outer shell 4 is provided with three side plates in total, and the dimensions of the three inner side plates of the outer shell 4 are the same as The specifications are all the same, which can make better protection and avoid deviation. The interior of the three side plates inside the casing 4 is sequentially provided with connecting holes, and the upper ends of the side plates on both sides of the casing 4 are provided with positioning holes on the surface side. The top cover 8 is a flat plate-like structure. The four corners of the top cover 8 close to the lower end of the casing 4 are provided with a threaded hole. The surface side of the left end of the casing 4 is provided with a first baffle 1. The plate 1 and the second baffle 5 are both flat plate-like structures, and the dimensions and specifications of the first baffle 1 and the second baffle 5 are the same, so that they can better perform the limiting effect. The inner four corners of the plate 1 and the second baffle 5 are provided with threaded holes, the first baffle 1 and the second baffle 5 are respectively connected with the casing 4 by screws, and the first baffle 1 and the casing 4 are fixed by screws. connect,

A heat dissipation device for a new energy battery pack and a heat dissipation method thereof, comprising a second baffle 5 provided on the surface side of the right end of the casing 4, the second baffle 5 and the casing 4 are fixedly connected by screws, and the first baffle 1 and the second baffle 5 are fixedly connected with the casing 4. The dimensions and specifications of the two baffles 5 are the same. The first baffle 1 , the housing 4 , the second baffle 5 and the top cover 8 together form a rectangular structure with a hollow interior. The composition of the first baffle 1 includes a first baffle The plate body 11 , the first cooling fan 12 and the second cooling fan 13 . The first plate body 11 is a flat plate-like structure. The inner left end of the first plate body 11 is provided with a first cooling fan 12 . 12 and the second cooling fan 13 are both electrically connected to the power switch. The first cooling fan 12 and the second cooling fan 13 are respectively sleeved on the left and right ends of the interior of the first plate body 11. The first cooling fan 12 and the second cooling fan 13 The size and specifications of the cooling fan 13 are the same, so that the first cooling fan 12 and the second cooling fan 13 can perform better heat dissipation. The connection between the first cooling fan 12 and the second cooling fan 13 Different circuits are connected in parallel, the first cooling fan 12 is electrically connected to the power switch, the first cooling fan 12 is sleeved inside the first plate body 11, and the inner right end of the first plate body 11 is provided with a second The cooling fan 13, the second cooling fan 13 is electrically connected with the power switch, the second cooling fan 13 is sleeved inside the first plate body 11, the size and specification of the first cooling fan 12 and the second cooling fan 13 are the same, The first baffle 1 is fixedly connected with the casing 4 through the first plate body 11 by screws. The thickness of the first baffle 1, the casing 4, the second baffle 5 and the top cover 8 are all the same. , The materials of the second baffle 5 and the top cover 8 are the same. The composition of the second baffle 5 includes a second plate body 51 and a heat dissipation window 52. The second plate body 51 is a flat plate-like structure, and the second plate The inner axis of the body 51 is provided with a rectangular hole-like structure, and the surface side of the left end of the second plate body 51 is provided with a heat dissipation window 52, so that the heat dissipation window 52 can make better work. , the heat dissipation window 52 is sleeved on the surface side of the left end of the second plate body 51, the heat dissipation window 52 is a horizontal stripe structure, the interior of the heat dissipation window 52 is provided with a number of horizontal plates, and between the horizontal plates inside the heat dissipation window 52 The spacing is the same, the second baffle 5 is fixedly connected to the outer casing 4 through the second plate 51, and the first baffle 1, the outer casing 4, the second baffle 5 and the top cover 8 are all fixedly connected with screws.

The working principle and use process of the present invention: after the present invention is installed, firstly check whether the machine can work normally, check whether the plug and socket on the wire are connected, if there is abnormal noise, the machine should be shut down immediately, Waiting for professional maintenance, when the components of the battery pack 3 are to be used, firstly use professional tools to fix the first heat-dissipating silicone sheet 2 on the inner surface of the casing 4, and then fix the battery pack 3 on the inner surface of the casing 4. The front end of the first heat-dissipating silicone sheet 2, then the first baffle 1 is fixed on the front side of the left end of the casing 4 by screws, and then the second baffle 5 is fixed on the front side of the right end of the casing 4, and then the battery pack The surface side of the upper end of 3 is fixed with the second heat-dissipating silicone sheet 7. After the fixing is completed, the top cover 8 is fixed on the surface side of the upper end of the casing 4 by screws, thus completing the fixing of the device. The first baffle 1 , The thickness of the shell 4, the second baffle 5 and the top cover 8 are all the same, the materials of the first baffle 1, the shell 4, the second baffle 5 and the top cover 8 are all the same, the first baffle 1, the shell 4, The second baffle 5 and the top cover 8 are both fixedly connected with screws, and then the device is fixed at a suitable position, so that the battery pack can be made under the action of the first heat-dissipating silicone sheet 2 and the second heat-dissipating silicone sheet 7 The heat of 3 is dissipated, and the first heat-dissipating silicone sheet 2 and the second heat-dissipating silicone sheet 7 are specially produced for the design scheme of using the gap to transfer heat, which can fill the gap and complete the heat transfer between the heat-generating part and the heat-dissipating part. The silicone sheet 2 and the second heat dissipation silicone sheet 7 also play the roles of insulation, shock absorption, sealing, etc. The heat generated by the battery pack 3 is transferred to the first heat dissipation silicone sheet 2 and the second heat dissipation silicone sheet at the upper and lower ends of the battery pack 3 . 7, the heat is transferred through the first heat dissipation silicone sheet 2 and the second heat dissipation silicone sheet 7, and then further heat dissipation is performed by the first heat dissipation fan 12 and the second heat dissipation fan 13 inside the first baffle 1, so that the heat can be dissipated. To make the heat dissipation more effective, at the same time, the traditional baffles on both sides are set to the existing first baffle 1 and the second baffle 5, and the four corners of the inner lower end of the battery pack fixing cover 6 are provided with a screw thread The size of the battery pack fixing cover 6 is larger than the size of the battery pack 3. The battery pack body 32 is provided with a number of small battery pack modules, and the inner left end of the battery pack body 32 is provided with a third heat dissipation silicone sheet 33, so that the To better dissipate heat and avoid heat accumulation, the threaded holes at the four corners of the lower end of the battery pack fixing cover 6 are provided with internal thread grooves, and the interior of the first baffle 1 is provided with a first cooling fan 12 and the second cooling fan 13, so that the first cooling fan 12 and the second cooling fan 13 inside the first baffle 1 can make better heat dissipation. Combined with the heat dissipation window 52 inside the second baffle 5, the heat inside the casing 4 can be better dissipated, so that the heat inside the casing 4 can not be dissipated. of heat dissipation, and in the battery The inside of the group 3 is provided with a third heat dissipation silicone sheet 33 and a fourth heat dissipation silicone sheet 34 . The third heat dissipation silicone sheet 33 and the fourth heat dissipation silicone sheet 34 have the same functions as the first heat dissipation silicone sheet 2 and the second heat dissipation silicone sheet 7 . , so that the heat inside the battery pack 3 can be better dissipated under the action of the third heat-dissipating silica gel sheet 33 and the fourth heat-dissipating silica gel sheet 34, avoiding the accumulation of heat inside the battery pack 3, thus completing the device is used.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. The utility model provides a heat abstractor and heat dissipation method of new forms of energy group battery, includes shell (4) and first heat dissipation silica gel piece (2), its characterized in that: the battery pack is characterized in that the shell (4) is of a hollow inwards-concave rectangular structure, a first heat dissipation silica gel sheet (2) is arranged on the surface side of the interior of the shell (4), the shell (4) is fixedly connected with the first heat dissipation silica gel sheet (2) through screws, a battery pack (3) is arranged at the upper end of the first heat dissipation silica gel sheet (2), the battery pack (3) is fixedly connected with the first heat dissipation silica gel sheet (2) through screws, a battery pack fixing cover (6) is arranged at the upper end of the battery pack (3), the battery pack fixing cover (6) fixes and stabilizes the battery pack (3), the battery pack fixing cover (6) plays a certain protection role, and a second heat dissipation silica gel sheet (7) is arranged at the upper end of the battery pack fixing cover (6), the size and the shape of second heat dissipation silica gel piece (7) and first heat dissipation silica gel piece (2) are all the same, the upper end of second heat dissipation silica gel piece (7) is provided with top cap (8), top cap (8) pass through screw fixed connection with shell (4), top cap (8) are the platelike structure of platykurtic, the four corners department that is close to the lower extreme of shell (4) of top cap (8) respectively is provided with a screw hole, the table side of the left end of shell (4) is provided with first baffle (1), first baffle (1) passes through screw fixed connection with shell (4), the table side of the right-hand member of shell (4) is provided with second baffle (5), second baffle (5) passes through screw fixed connection with shell (4), the size and the specification of first baffle (1) and second baffle (5) are all the same, first baffle (1), The shell (4), the second baffle (5) and the top cover (8) jointly form a hollow cuboid structure, the thicknesses of the first baffle (1), the shell (4), the second baffle (5) and the top cover (8) are the same, the materials of the first baffle (1), the shell (4), the second baffle (5) and the top cover (8) are the same, and the first baffle (1), the shell (4), the second baffle (5) and the top cover (8) are fixedly connected through screws.

2. The heat dissipation device and the heat dissipation method for the new energy battery pack according to claim 1, wherein: the first baffle (1) comprises a first plate body (11), a first heat radiation fan (12) and a second heat radiation fan (13), the first plate body (11) is of a flat plate-shaped structure, the left end inside the first plate body (11) is provided with a first radiating fan (12), the first heat radiation fan (12) is electrically connected with the power switch, the first heat radiation fan (12) is sleeved inside the first plate body (11), a second heat radiation fan (13) is arranged at the right end inside the first plate body (11), the second heat radiation fan (13) is electrically connected with the power switch, the second heat radiation fan (13) is sleeved inside the first plate body (11), the sizes and specifications of the first heat radiation fan (12) and the second heat radiation fan (13) are the same, the first baffle (1) is fixedly connected with the shell (4) through a first plate body (11) through screws.

3. The heat dissipation device and the heat dissipation method for the new energy battery pack according to claim 1, wherein: the battery pack (3) comprises a heat dissipation bottom plate (31), a battery pack main body (32), a third heat dissipation silicone sheet (33) and a fourth heat dissipation silicone sheet (34), the battery pack main body (32) is arranged on the surface side of the upper end of the heat dissipation bottom plate (31), the battery pack main body (32) is provided with a plurality of small battery pack modules, the third heat dissipation silicone sheet (33) is arranged at the left end of the inner side of the battery pack main body (32), the third heat dissipation silicone sheet (33) is sleeved in the battery pack main body (32), the fourth heat dissipation silicone sheet (34) is arranged at the right end of the inner side of the battery pack main body (32), the fourth heat dissipation silicone sheet (34) is sleeved in the battery pack main body (32), the heat dissipation bottom plate (31) is of a flat plate-shaped structure, and a groove-shaped structure is arranged at the axis of the inner part of the heat dissipation bottom plate (31), the heat dissipation bottom plate (31) is made of silica gel sheets, and the battery pack (3) is fixedly connected with the shell (4) through the heat dissipation bottom plate (31) through screws.

4. The heat dissipation device and the heat dissipation method for the new energy battery pack according to claim 1, wherein: the constitution of second baffle (5) is including second plate body (51) and radiator window (52), second plate body (51) are the platelike structure of platykurtic, the axle center department of the inside of second plate body (51) is provided with the hole column structure of cuboid, the table side of the left end of second plate body (51) is provided with radiator window (52), radiator window (52) cup joint the table side at the left end of second plate body (51), radiator window (52) are the structure of cross striation form, the inside of radiator window (52) is provided with a plurality of diaphragm, the interval between the inside diaphragm of radiator window (52) is the same, second baffle (5) pass through second plate body (51) and shell (4) through screw fixed connection.

5. The heat dissipation device and the heat dissipation method for the new energy battery pack according to claim 1, wherein: the utility model discloses a portable electronic device, including shell (4), shell (4) are the cuboid structure of indent, shell (4) are provided with three curb plate altogether, the three curb plate size and the specification homogeneous phase of the inside of shell (4) are the same, the inside of the three curb plate of the inside of shell (4) has set gradually the connecting hole, the table side of the upper end of the curb plate of the both sides of shell (4) is provided with the locating hole.

6. The heat dissipation device and the heat dissipation method for the new energy battery pack according to claim 1, wherein: the first baffle (1) and the second baffle (5) are both flat plate-shaped structures, the first baffle (1) and the second baffle (5) are identical in size and specification, threaded holes are formed in four corners of the inner portions of the first baffle (1) and the second baffle (5), and the first baffle (1) and the second baffle (5) are fixedly connected with the shell (4) through screws respectively.

7. The heat dissipation device and the heat dissipation method for the new energy battery pack according to claim 2, wherein: the first heat dissipation fan (12) and the second heat dissipation fan (13) are electrically connected with the power switch, the first heat dissipation fan (12) and the second heat dissipation fan (13) are respectively sleeved at the left end and the right end of the inside of the first plate body (11), the first heat dissipation fan (12) and the second heat dissipation fan (13) are identical in size and specification, and the first heat dissipation fan (12) and the second heat dissipation fan (13) are connected in a parallel connection mode in different lines.

8. The heat dissipation device and the heat dissipation method for the new energy battery pack according to claim 3, wherein: the third heat dissipation silicone sheet (33) and the fourth heat dissipation silicone sheet (34) are both flat plate-shaped structures, the third heat dissipation silicone sheet (33) and the fourth heat dissipation silicone sheet (34) are specially designed for utilizing the gaps to transfer heat, the gaps can be filled, and heat transfer between a heating part and a heat dissipation part is completed, and the third heat dissipation silicone sheet (33) and the fourth heat dissipation silicone sheet (34) simultaneously play roles of insulation, shock absorption, sealing and the like.

9. The heat dissipation device and the heat dissipation method for the new energy battery pack according to claim 1, wherein: the battery pack fixing cover (6) is of a flat plate-shaped structure, four corners of the lower end of the inside of the battery pack fixing cover (6) are respectively provided with a threaded hole, the size of the battery pack fixing cover (6) is larger than that of the battery pack (3), and inner threaded grooves are formed in the threaded holes in the four corners of the lower end of the battery pack fixing cover (6).

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