CN216648429U

CN216648429U - High heat dissipation power module

Info

Publication number: CN216648429U
Application number: CN202123260505.6U
Authority: CN
Inventors: 刘金鑫; 顾志鹏
Original assignee: Shenzhen Xianghe Measurement And Control Technology Co ltd
Current assignee: Shenzhen Xianghe Measurement And Control Technology Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-31
Anticipated expiration: 2031-12-23

Abstract

The utility model relates to the technical field of power supplies, in particular to a high-heat-dissipation power supply module which comprises a lithium battery module, a base and an upper cover, wherein the upper cover is buckled on the base, and an installation cavity is formed between the upper cover and the base. The base is provided with a first radiating side plate on each of two sides of the lithium battery module, a plurality of strip-shaped convection holes are vertically formed in the first radiating side plates, a heat conducting plate is further arranged between the base and the lithium battery module, one surface of the heat conducting plate is arranged in a manner of being tightly attached to the lithium battery module, a plurality of heat pipes are arranged on the surface, close to the lithium battery module, of the heat conducting plate, the heat pipes are parallel to each other, two ends of each heat pipe respectively extend to the interior of the first radiating side plate, and a plurality of radiating fins are arranged on the outer side of each first radiating side plate; at least one group of convection fans are arranged in the installation cavity. The high-heat-dissipation power module is convenient for high-efficiency heat dissipation of the lithium battery.

Description

High heat dissipation power module

Technical Field

The utility model relates to the technical field of power supplies, in particular to a high-heat-dissipation power supply module.

Background

The new energy electric automobile comprises the following components: an electric drive and control system, a mechanical system such as a drive transmission, a working device for performing a predetermined task, and the like. The electric drive and control system is the core of an electric vehicle and is the most different from an internal combustion engine vehicle. The power battery is a power source of the electric automobile and is an energy storage device. The existing pure electric vehicles mainly comprise lithium ion storage batteries, such as lithium iron phosphate ion storage batteries, ternary lithium ion storage batteries and the like. The lithium ion battery serving as the power core of the new energy automobile is an automobile battery pack formed in a direction of parallel connection and then series connection, and due to the intensive assembly mode among batteries, a high-temperature environment is easily formed, so that certain influence is caused on the performance and the charge state of the battery, and the control failure of a new energy automobile power system can be caused if the battery is serious.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problems, an object of the present invention is to provide a high heat dissipation power module, which facilitates efficient heat dissipation of a lithium battery.

In order to achieve the technical effect, the utility model adopts the following technical scheme:

a high-heat-dissipation power module comprises a lithium battery module, a base and an upper cover, wherein the upper cover is buckled on the base, an installation cavity is formed between the upper cover and the base, and the lithium battery module is arranged in the installation cavity and fixedly connected with the base; the base is provided with a first radiating side plate on each of two sides of the lithium battery module, a plurality of strip-shaped convection holes are vertically formed in the first radiating side plates, a heat conducting plate is further arranged between the base and the lithium battery module, one surface of the heat conducting plate is arranged in a manner of being tightly attached to the lithium battery module, a plurality of heat pipes are arranged on the surface, close to the lithium battery module, of the heat conducting plate, the heat pipes are parallel to each other, two ends of each heat pipe respectively extend to the interior of the first radiating side plate, and a plurality of radiating fins are arranged on the outer side of each first radiating side plate; at least one group of convection fans are arranged in the installation cavity.

Further, the first radiating side plate is vertically provided with a first reinforcing rib and a second reinforcing rib between adjacent strip-shaped convection holes, the first reinforcing rib and the second reinforcing rib are respectively arranged on the inner side and the outer side of the first radiating side plate, and the first reinforcing rib and the second reinforcing rib are right opposite.

Furthermore, two ends of the heat pipe are embedded in the heat dissipation side plate and located between the first reinforcing rib and the second reinforcing rib.

Further, the convection fan comprises a first convection fan, a mounting window is horizontally formed right above the strip-shaped convection hole by the first heat dissipation side plate, and the first convection fan is fixedly mounted in the mounting window.

Furthermore, an air deflector is arranged on the outer side of the mounting window.

Furthermore, two ends of the base are respectively provided with a second heat dissipation side plate, the convection fan further comprises a second convection fan, the second convection fan is fixedly installed on the inner side of the second heat dissipation side plate, and an air inlet is formed in the second heat dissipation side plate.

Compared with the prior art, the utility model has the beneficial effects that: according to the high-heat-dissipation power module, the base and the upper cover are arranged to form the installation cavity, the lithium battery module is arranged in the installation cavity, the first heat-dissipation side plates are arranged on the two sides of the base, heat generated at the bottom of the lithium battery module is conducted to the first heat-dissipation side plates through the heat pipes, and then heat on the first heat-dissipation side plates is promoted to be dissipated outwards through the heat dissipation fins on the first heat-dissipation side plates and the convection assembly in the installation cavity, so that the temperature in the installation cavity is reduced, and battery faults are avoided.

Drawings

Fig. 1 is a schematic overall structure diagram of a high heat dissipation power module according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a base of a high heat dissipation power module according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a partial enlarged structure at a position a of a high heat dissipation power module according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a partial enlarged structure at a position B of a high heat dissipation power module according to an embodiment of the present invention;

the reference signs are: 10, a base, 20, an upper cover, 3O, a first heat dissipation side plate, 31, a strip-shaped convection hole, 32, a heat conduction plate, 321, a heat pipe, 41, a first reinforcing rib, 42, a second reinforcing rib, 421, a heat dissipation fin, 43, a mounting window, 44, a mounting seat, 441, a through hole, 45, a first convection fan, 50, a second heat dissipation side plate, 51, a second convection fan, 52 and an air inlet.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1-4, the high heat dissipation power module provided in this embodiment includes a lithium battery module, a base 10, and an upper cover 20, where the upper cover 20 is fastened on the base 10, and an installation cavity is formed between the upper cover 20 and the base 10, and the lithium battery module is disposed in the installation cavity and fixedly connected to the base 10. The base 10 is in the both sides of lithium battery module respectively are equipped with a first heat dissipation curb plate 3O, the both ends of base 10 still respectively are equipped with a second heat dissipation curb plate 50, lithium battery module locates the rectangle space inboard that first heating panel and second heat dissipation curb plate 50 constitute.

In this embodiment, for right lithium battery module dispels the heat, a plurality of bar convection holes 31 have been seted up on the first heat dissipation curb plate 3O vertically, thereby bar convection holes 31 can supply the inside and outside air convection of this installation cavity outwards to derive the heat in this installation cavity to dispel the heat to the lithium cell. For improving the radiating effect, still be equipped with heat-conducting plate 32 between base 10 and the lithium cell module, the one side of heat-conducting plate 32 is hugged closely lithium cell module sets up just heat-conducting plate 32 is being close to lithium cell module's one side is equipped with a plurality of heat pipes 321, be parallel to each other and every between the heat pipe 321 the both ends of heat pipe 321 are equallyd divide and are extended to respectively first heat dissipation curb plate 3O's inside, thereby pass through heat-conducting plate 32 and heat pipe 321 derive the heat that this lithium cell module produced to both sides extremely on the first heat dissipation curb plate 3O, the outside of first heat dissipation curb plate 3O is equipped with a plurality of heat radiation fins 421, heat radiation fins 421 set up can make the heat on this first heat radiation plate scatter and disappear fast.

In this embodiment, for reducing the weight of this high heat dissipation power module in order to save the processing cost, first heat dissipation curb plate 3O is provided with first strengthening rib 41 and second strengthening rib 42 vertically between adjacent bar convection hole 31, first strengthening rib 41 and second strengthening rib 42 are located respectively the inboard and the outside of first heat dissipation curb plate 3O, just first strengthening rib 41 and second strengthening rib 42 are just right in order to guarantee the intensity of this base 10, the both ends of heat pipe 321 pre-bury in the heat dissipation curb plate and be located between first strengthening rib 41 and the second strengthening rib 42, heat radiation fins 421 are on a parallel with the length direction setting of second strengthening rib 42.

In this embodiment, in order to further accelerate the air convection, two sets of convection fans are arranged in the installation cavity. Specifically, convection fan includes first convection fan 45 and second convection fan 51, first heat dissipation curb plate 3O is in installation window 43 has been seted up directly over the bar convection hole 31 level, installation window 43 is rectangular shape, the top of installation window 43 is equipped with mount pad 44, mount pad 44 is in the outside of installation window 43 is equipped with through-hole 441 for the air inlet. The first convection fans 45 are disposed in the mounting window 43 at equal intervals along the mounting seat 44, in order to control the air outlet direction of the first convection fans 45, the first heat dissipation side plate 3O is disposed with an air deflector (not shown in the figure) at the outer side of the mounting window 43, specifically, one end of the air deflector close to the first heat dissipation side plate 30 is fixedly connected to the mounting seat 44, and the air deflector should avoid blocking the through hole 441 when being disposed, and one end of the air deflector far away from the first heat dissipation side plate 3O extends downward, so that air is blown downward along the air deflector and flows along the heat dissipation fins 421, thereby accelerating heat dissipation. The second convection fan 51 is fixedly installed at the inner side of the second heat dissipation side plate 50, and an air inlet 52 is formed in the second heat dissipation side plate 50. When the heat dissipation structure is specifically implemented, the second heat dissipation fan works to enable hot air at two ends of the installation cavity to flow towards two sides, meanwhile, the heat of the bottom of the lithium battery is transferred to the first heat dissipation side plates 3O of the two sides through the arrangement of the heat pipe 321, at the moment, the heat of the first heat dissipation side plates 3O can be rapidly led out through the work of the first convection fan 45, and therefore the lithium battery module is efficiently cooled.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the utility model as defined in the appended claims. The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.

Claims

1. The utility model provides a high heat dissipation power module which characterized in that: the lithium battery module comprises a lithium battery module, a base (10) and an upper cover (20), wherein the upper cover (20) is buckled on the base (10), an installation cavity is formed between the upper cover (20) and the base (10), and the lithium battery module is arranged in the installation cavity and fixedly connected with the base (10); the base (10) is provided with a first heat dissipation side plate (3O) on each of two sides of the lithium battery module, a plurality of strip-shaped convection holes (31) are vertically formed in the first heat dissipation side plates (3O), a heat conduction plate (32) is arranged between the base (10) and the lithium battery module, one surface of the heat conduction plate (32) is tightly attached to the lithium battery module, a plurality of heat pipes (321) are arranged on one surface, close to the lithium battery module, of the heat conduction plate (32), the heat pipes (321) are parallel to each other, two ends of each heat pipe (321) respectively extend to the inside of the first heat dissipation side plate (3O), and a plurality of heat dissipation fins (421) are arranged on the outer side of the first heat dissipation side plate (3O); at least one group of convection fans are arranged in the installation cavity.

2. The power module with high heat dissipation of claim 1, wherein: first heat dissipation curb plate (3O) is provided with first strengthening rib (41) and second strengthening rib (42) vertically between adjacent bar convection hole (31), first strengthening rib (41) and second strengthening rib (42) are located respectively the inboard and the outside of first heat dissipation curb plate (3O), just first strengthening rib (41) and second strengthening rib (42) are just right.

3. The power module with high heat dissipation of claim 2, wherein: two ends of the heat pipe (321) are embedded in the heat dissipation side plate and are positioned between the first reinforcing rib (41) and the second reinforcing rib (42).

4. The power module with high heat dissipation of claim 1, wherein: the convection fan comprises a first convection fan (45), a mounting window (43) is horizontally formed right above the strip-shaped convection hole (31) by the first heat dissipation side plate (3O), and the first convection fan (45) is fixedly mounted in the mounting window (43).

5. The power module with high heat dissipation of claim 4, wherein: and an air deflector is arranged on the outer side of the mounting window (43).

6. The power module with high heat dissipation of claim 1, wherein: the two ends of the base (10) are respectively provided with a second heat dissipation side plate (50), the convection fan further comprises a second convection fan (51), the second convection fan (51) is fixedly installed on the inner side of the second heat dissipation side plate, and an air inlet (52) is formed in the second heat dissipation side plate (50).