CN114157120B

CN114157120B - Power supply device with heat dissipation protection function

Info

Publication number: CN114157120B
Application number: CN202111482097.0A
Authority: CN
Inventors: 陈俊明; 杨峥辉; 陈锋
Original assignee: Shenzhen Yinghuiyuan Electronics Co ltd
Current assignee: Shenzhen Yinghuiyuan Electronics Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-11-22
Anticipated expiration: 2041-12-06
Also published as: CN114157120A

Abstract

The invention discloses a power supply device with a heat dissipation protection function, which comprises an encapsulation shell and a power supply module, wherein the encapsulation shell consists of an encapsulation lower shell and an encapsulation upper shell, the encapsulation upper shell is detachably arranged at the top of the encapsulation lower shell, the power supply module is arranged on the inner bottom wall of the encapsulation lower shell, rectangular heat dissipation ports are respectively formed in the encapsulation upper shell and the encapsulation lower shell, and heat transfer fin plates extending out of the encapsulation shell are fixedly arranged at the heat dissipation ports. This power supply unit with heat dissipation safeguard function encapsulates the back in encapsulation inferior valve and encapsulation epitheca with power module, and the heat transfer fin board switches on the encapsulation shell inside and outside, makes it can conduct the heat that power module produced to the outside fast, and L type protection frame and built on stilts mounting panel make the encapsulation shell position in midair, make and reserve sufficient space between built on stilts mounting panel and the encapsulation shell, not only realize protecting the encapsulation shell to guarantee power module's protecting effect, and make its radiating efficiency effectively promote moreover.

Description

Power supply device with heat dissipation protection function

Technical Field

The invention relates to the technical field of power supplies, in particular to a power supply device with a heat dissipation protection function.

Background

In the high-rate charge and discharge process of the lithium ion battery, a great deal of heat can be rapidly generated by the pole column and the battery body, and when the battery monomers are assembled into a battery module, the heat generated by each battery monomer is superposed with each other, so that the problem of serious heat accumulation in the battery module is directly caused; simultaneously because the battery box has better leakproofness, the battery module in the box can not in time carry out the heat exchange with the external world effectively, leads to the too high phenomenon of box inside temperature very easily to seriously influence the electrochemical properties and the cycle life of battery, the protective effect of battery body is not good moreover, leads to inside components and parts to drop or damage easily, influences the security performance. Therefore, it is necessary to design a power supply device with a heat dissipation protection function so as to solve the above problems.

Disclosure of Invention

The present invention is directed to a power supply device with a heat dissipation protection function, so as to solve the problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a power supply unit with heat dissipation safeguard function, includes packaging shell and power module, the packaging shell comprises encapsulation inferior valve and encapsulation epitheca, and encapsulates the top that the epitheca was removable installs in the encapsulation inferior valve, power module installs in the interior diapire of encapsulation inferior valve, and all offers the thermovent that is the rectangle on encapsulation epitheca and the encapsulation inferior valve, thermovent department fixed mounting extends the outer heat transfer fin board of packaging shell, and the heat transfer fin board arranges along the thermovent equidistance, the equal fixedly connected with L type protection frame in both sides of encapsulation epitheca, and the built on stilts mounting panel of bottom fixedly connected with of L type protection frame, built on stilts mounting panel and encapsulation inferior valve parallel arrangement.

Preferably, the interface head is detachably installed on the left side of the packaging lower shell through a screw, wire holes are formed in the interface head and the left side plate of the packaging lower shell, a cable connected with the power module is inserted in each wire hole, and the cable is bonded in each wire hole in the interface head.

Preferably, the top of the overhead mounting plate is fixedly provided with five radiating fan cylinders distributed at equal intervals, and the radiating fan cylinders are positioned under the radiating holes.

Preferably, five rotate between the heat dissipation fan section of thick bamboo and install the distribution axle, the top fixed mounting of built on stilts mounting panel has driving motor, and driving motor's output is equipped with the first bevel gear subassembly of drive distribution axle pivoted, first bevel gear subassembly contains first conical gear an and first conical gear b, and first conical gear a fixed connection in driving motor's output, a conical gear b is fixed overlaps in the distribution epaxially, and first conical gear a and the meshing of first conical gear b, install fan assembly in the heat dissipation fan section of thick bamboo.

Preferably, the fan assembly comprises a fan shaft, a heat-dissipating fan blade, a second bevel gear assembly and a dustproof filter screen plate, the dustproof filter screen plate is fixedly mounted at the top and the bottom of the heat-dissipating fan barrel, the fan shaft is rotatably mounted between the two dustproof filter screen plates, the heat-dissipating fan blade is fixedly sleeved on the fan shaft, the second bevel gear assembly comprises a second bevel gear a and a second bevel gear b, the second bevel gear a is fixedly sleeved on the fan shaft, the distribution shaft extends into the heat-dissipating fan barrel, the second bevel gear b is fixedly sleeved on the distribution shaft, and the second bevel gear a is meshed with the second bevel gear b.

Preferably, through locking Assembly detachable connection between encapsulation inferior valve and the encapsulation epitheca, and locking Assembly includes butt joint plate a, butt joint plate b, bolt axle and locking spiro, butt joint plate a fixed connection is on the encapsulation inferior valve, butt joint plate b fixed connection is on the encapsulation epitheca, and bolt axle activity runs through butt joint plate a and butt joint plate b, threaded connection has two locking spiro on the bolt axle, and two locking spiro offset with butt joint plate a and butt joint plate b respectively.

Preferably, the bolt shaft is movably sleeved with two anti-skid gaskets, the two anti-skid gaskets are located between the two locking spiral rings, and the two anti-skid gaskets are respectively abutted to the butt-joint plate a and the butt-joint plate b.

Preferably, the inner wall of the packaging lower shell is fixedly provided with a buffer mechanism, the power module is arranged in the packaging lower shell, and the buffer mechanism abuts against the power module.

Preferably, buffer gear includes spring holder, spacing groove and buffer spring, spring holder fixed mounting is in the inner wall of encapsulation inferior valve, and the spring holder is close to one side of power module and has seted up the spacing groove, the tank bottom fixedly connected with buffer spring of spacing groove, and buffer spring's the other end is worn out the spacing groove and is supported on power module.

Preferably, an external water cooling pipe extending to the outside of the packaging upper shell is installed in the packaging upper shell.

Compared with the prior art, the invention has the beneficial effects that:

(1) This power supply unit with heat dissipation safeguard function encapsulates the back in encapsulation inferior valve and encapsulation epitheca with power module, and heat transfer fin board is with the inside and outside switch-on of encapsulation shell, makes it can be with the heat that power module produced to the outside of conducting fast, and L type protection frame and built on stilts mounting panel make the encapsulation shell position in midair, make and reserve sufficient space between built on stilts mounting panel and the encapsulation shell, not only realize protecting the encapsulation shell to guarantee power module's protecting effect, make its radiating efficiency effectively promote moreover.

(2) This power supply unit with heat dissipation safeguard function, power module can start the driving motor in the use, the driving motor drives the distribution axle through first bevel gear subassembly and rotates, under the transmission of second bevel gear subassembly, make the fan axle in each heat dissipation fan section of thick bamboo rotate, and then make the rotation of drive heat leaf and blow towards the thermovent, with the derivation of heat in the encapsulation shell of acceleration, wind also blows to heat transfer fin board simultaneously, with the heat transfer efficiency who improves heat transfer fin board, in addition can also avoid the dust adhesion in the encapsulation shell at the during operation, life cycle is long.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a top cross-sectional view of the structural package lower case of the present invention;

FIG. 3 is a front view of the overall construction of the present invention;

FIG. 4 is a schematic view of the interior of the fan housing of the present invention;

FIG. 5 is an exploded view of the attachment of the structural package upper shell and the heat transfer fin plate of the present invention;

FIG. 6 is a perspective view of the structural locking assembly of the present invention;

FIG. 7 is an exploded view of the structural locking assembly of the present invention;

FIG. 8 is an enlarged view of portion A of FIG. 2 according to the present invention.

In the figure: 1. packaging the lower shell; 2. packaging the upper shell; 3. a power module; 4. a heat dissipation port; 5. a heat transfer fin plate; 6. an L-shaped protective frame; 7. an overhead mounting plate; 8. a heat-dissipating fan cylinder; 9. an interface end enclosure; 10. a locking assembly; 101. a butt plate a; 102. a butt plate b; 103. a bolt shaft; 104. locking a spiral ring; 105. an anti-slip gasket; 11. a distribution shaft; 12. a drive motor; 13. a first bevel gear assembly; 131. a first bevel gear a; 132. a first bevel gear b; 14. a fan shaft; 15. heat-expelling leaves; 16. a second bevel gear assembly; 161. a second bevel gear a; 162. a second bevel gear b; 17. a dustproof filter screen plate; 18. a spring seat; 19. a limiting groove; 20. a buffer spring; 21. and a water cooling pipe is arranged outside.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides the following embodiments:

example one

The utility model provides a power supply unit with heat dissipation safeguard function, including packaging shell and power module 3, the packaging shell comprises packaging shell 1 and packaging

upper shell

2, and 2 removable installations in packaging shell 1's tops of packaging shell, power module 3 installs in packaging shell 1's inner diapire, and all offer the thermovent 4 that is the rectangle on packaging shell 2 and the packaging shell 1, thermovent 4 department fixed mounting has the heat transfer fin board 5 that extends the packaging shell outside, and heat transfer fin board 5 arranges along thermovent 4 equidistance, the equal fixedly connected with L type protection frame 6 in both sides of packaging shell 2, and the bottom fixedly connected with of L type protection frame 6 makes somebody a mere figurehead mounting panel 7, make somebody a figurehead mounting panel 7 and packaging shell 1 parallel arrangement.

Further, removable the installing of screw has interface head 9 in the left side of encapsulation inferior valve 1, has all seted up the line hole in interface head 9 and the left side board of encapsulation inferior valve 1, and the downthehole interlude of line has the cable of being connected with power module 3, and the cable bonds in the line hole on interface head 9, makes cable and power module 3's connection more firm, avoids the accident to pull the interface joint.

Furthermore, five heat dissipation fan cylinders 8 which are distributed at equal intervals are fixedly installed at the top of the overhead installation plate 7, and the heat dissipation fan cylinders 8 are located right below the heat dissipation port 4, so that the heat dissipation benefit is kept to be optimal.

Further, through locking assembly 10 detachable connection between encapsulation inferior valve 1 and the encapsulation epitheca 2, and locking assembly 10 includes butt joint plate a101, butt joint plate b102, bolt shaft 103 and locking spiro 104, butt joint plate a101 fixed connection is on encapsulation inferior valve 1, butt joint plate b102 fixed connection is on encapsulation epitheca 2, and bolt shaft 103 activity runs through butt joint plate a101 and butt joint plate b102, threaded connection has two locking spiro 104 on bolt shaft 103, and two locking spiro 104 offset with butt joint plate a101 and butt joint plate b102 respectively, so that the dismouting to the encapsulation epitheca 2 of encapsulation inferior valve 1, and then conveniently encapsulate power module 3, later maintenance is also comparatively convenient.

Furthermore, two anti-slip gaskets 105 are movably sleeved on the bolt shaft 103, the two anti-slip gaskets 105 are located between the two locking spiral rings 104, and the two anti-slip gaskets 105 respectively abut against the butt plate a101 and the butt plate b102, so that the locking effect of the two locking spiral rings 104 on the butt plate a101 and the butt plate b102 is better, and further the firmness of the packaging shell is guaranteed.

Further, install the external water-cooled tube 21 that extends its outside in the encapsulation epitheca 2, external water-cooled tube 21 is made for heat conduction copper pipe material, radiating effect when further improving its heat exchange.

The specific implementation manner of this embodiment is: after the power module 3 is packaged in the packaging lower shell 1 and the packaging upper shell 2, the heat transfer fin plate 5 is used for communicating the inside and the outside of the packaging shell, so that the heat generated by the power module 3 can be quickly conducted to the outside, the packaging shell is positioned in an overhead manner by the L-shaped protective frame 6 and the overhead mounting plate 7, and enough space is reserved between the overhead mounting plate 7 and the packaging shell, so that the packaging shell is protected, the protection effect of the power module 3 is guaranteed, and the heat dissipation efficiency of the packaging shell is effectively improved;

after the power module 3 is packaged, the interface seal head 9 is installed at a wire hole through a screw, the cable is bonded in the wire hole on the interface seal head 9, so that the connection between the cable and the power module 3 is firmer, the interface joint is prevented from being accidentally torn off, and for the connection between the lower packaging shell 1 and the upper packaging shell 2, the bolt shaft 103 is in threaded connection with the two locking spiral rings 104, and the two locking spiral rings 104 are respectively abutted against the butt plate a101 and the butt plate b102, so that the upper packaging shell 2 of the lower packaging shell 1 can be conveniently disassembled and assembled, the power module 3 can be conveniently and quickly disassembled and assembled, convenience is provided for later maintenance, the locking effect of the locking spiral rings 104 is better due to the setting of the anti-slip gasket 105, and the looseness condition is reduced.

Example two

The difference from the first embodiment is that the following contents are also included:

the distribution shaft 11 is rotatably installed between the five heat dissipation fan cylinders 8, the driving motor 12 is fixedly installed at the top of the overhead mounting plate 7, the output end of the driving motor 12 is provided with a first bevel gear assembly 13 for driving the distribution shaft 11 to rotate, the first bevel gear assembly 13 comprises a first bevel gear a131 and a first bevel gear b132, the first bevel gear a131 is fixedly connected to the output end of the driving motor 12, the first bevel gear b132 is fixedly sleeved on the distribution shaft 11, the first bevel gear a131 is meshed with the first bevel gear b132, and the fan assembly is installed in the heat dissipation fan cylinder 8.

Further, the fan assembly comprises a fan shaft 14, a heat-dissipating blade 15, a second bevel gear assembly 16 and a dustproof filter screen plate 17, the dustproof filter screen plates 17 are fixedly installed at the top and the bottom of the radiating fan cylinder 8, the fan shaft 14 is rotatably installed between the two dustproof filter screen plates 17, the heat-dissipating blade 15 is fixedly sleeved on the fan shaft 14, the second bevel gear assembly 16 comprises a second bevel gear a161 and a second bevel gear b162, the second bevel gear a161 is fixedly sleeved on the fan shaft 14, the distribution shaft 11 extends into the radiating fan cylinder 8, the second bevel gear b162 is fixedly sleeved on the distribution shaft 11, the second bevel gear a161 is meshed with the second bevel gear b162, and the fan assembly in each radiating fan cylinder 8 blows air to dissipate heat of each area in the packaging shell, so that the heat dissipation is more uniform.

Furthermore, the inner wall of the packaging lower shell 1 is fixedly provided with a buffer mechanism, the power module 3 is arranged in the packaging lower shell 1, and the buffer mechanism supports against the power module 3, so that the power module 3 is convenient to install.

Further, buffer gear includes spring holder 18, spacing groove 19 and

buffer spring

20, 18 fixed mounting of spring holder in the inner wall of encapsulation inferior valve 1, and spring holder 18 has seted up spacing groove 19 near one side of power module 3, the tank bottom fixedly connected with buffer spring 20 of spacing groove 19, and buffer spring 20's the other end is worn out spacing groove 19 and is supported on power module 3, buffer spring 20 applys elasticity on power module 3's surface, make power module 3 can buffer protection, avoid power module 3 to collide with and damage in the inside emergence of encapsulation shell, safety and reliability.

In this embodiment: the power module 3 can start the driving motor 12 in the using process, the driving motor 12 rotates the distribution shaft 11 through the engagement of the first bevel gear a131 and the first bevel gear b132, the fan shafts 14 in the heat dissipation fan cylinders 8 rotate simultaneously under the engagement transmission of the second bevel gear a161 and the second bevel gear b162, and then the heat dissipating blades 15 rotate and blow air towards the heat dissipating ports 4 to accelerate the conduction of heat in the packaging shell, and the air blows towards the heat transfer fin plates 5 to improve the heat transfer efficiency of the heat transfer fin plates 5, and in addition, dust can be prevented from being adhered to the packaging shell during the operation;

the fan components in the radiating fan cylinders 8 blow and radiate all the areas in the packaging shell, so that the radiation is more uniform;

the buffer spring 20 applies an elastic force to the surface of the power module 3, so that the power module 3 can be protected by buffering, and the power module 3 is prevented from being damaged due to collision in the package casing.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a power supply unit with heat dissipation safeguard function, includes packaging shell and power module (3), its characterized in that: the packaging shell consists of a packaging lower shell (1) and a packaging upper shell (2), the packaging upper shell (2) is detachably mounted at the top of the packaging lower shell (1), the power module (3) is mounted on the inner bottom wall of the packaging lower shell (1), rectangular heat dissipation ports (4) are formed in the packaging upper shell (2) and the packaging lower shell (1), heat transfer fin plates (5) extending out of the packaging shell are fixedly mounted at the heat dissipation ports (4), the heat transfer fin plates (5) are arranged at equal intervals along the heat dissipation ports (4), L-shaped protective frame frames (6) are fixedly connected to two sides of the packaging upper shell (2), an overhead mounting plate (7) is fixedly connected to the bottom end of each L-shaped protective frame (6), and the overhead mounting plate (7) is arranged in parallel to the packaging lower shell (1);

the top of the overhead mounting plate (7) is fixedly provided with five radiating fan cylinders (8) which are distributed at equal intervals, and the radiating fan cylinders (8) are positioned right below the radiating port (4);

a distribution shaft (11) is rotatably mounted between the five heat dissipation air fan cylinders (8), a driving motor (12) is fixedly mounted at the top of the overhead mounting plate (7), a first bevel gear assembly (13) for driving the distribution shaft (11) to rotate is arranged at the output end of the driving motor (12), the first bevel gear assembly (13) comprises a first bevel gear a (131) and a first bevel gear b (132), the first bevel gear a (131) is fixedly connected to the output end of the driving motor (12), the first bevel gear b (132) is fixedly sleeved on the distribution shaft (11), the first bevel gear a (131) is meshed with the first bevel gear b (132), and a fan assembly is mounted in the heat dissipation air fan cylinder (8);

the fan assembly comprises a fan shaft (14), a heat dissipation blade (15), a second conical gear assembly (16) and a dustproof filter screen plate (17), wherein the dustproof filter screen plate (17) is fixedly mounted at the top and the bottom of the heat dissipation fan barrel (8), the fan shaft (14) is rotatably mounted between the two dustproof filter screen plates (17), the heat dissipation blade (15) is fixedly sleeved on the fan shaft (14), the second conical gear assembly (16) comprises a second conical gear a (161) and a second conical gear b (162), the second conical gear a (161) is fixedly sleeved on the fan shaft (14), the distribution shaft (11) extends into the heat dissipation fan barrel (8), the second conical gear b (162) is fixedly sleeved on the distribution shaft (11), and the second conical gear a (161) is meshed with the second conical gear b (162).

2. The power supply device with the heat dissipation protection function as claimed in claim 1, wherein: the left side of encapsulation inferior valve (1) is passed through the removable interface head (9) of installing of screw, all seted up the line hole in interface head (9) and the left side board of encapsulation inferior valve (1), and the downthehole interlude of line has the cable of being connected with power module (3), the cable bonds in the line hole on interface head (9).

3. The power supply device with the heat dissipation protection function as claimed in claim 1, wherein: through locking Assembly (10) detachable connection between encapsulation inferior valve (1) and the encapsulation epitheca (2), and locking Assembly (10) include butt joint board a (101), butt joint board b (102), bolt axle (103) and locking spiro (104), butt joint board a (101) fixed connection is on encapsulation inferior valve (1), butt joint board b (102) fixed connection is on encapsulation epitheca (2), and bolt axle (103) activity runs through butt joint board a (101) and butt joint board b (102), threaded connection has two locking spiro (104) on bolt axle (103), and two locking spiro (104) offset with butt joint board a (101) and butt joint board b (102) respectively.

4. The power supply device with the heat dissipation protection function as claimed in claim 3, wherein: two anti-skid gaskets (105) are movably sleeved on the bolt shaft (103), the two anti-skid gaskets (105) are positioned between the two locking spiral rings (104), and the two anti-skid gaskets (105) are respectively abutted against the butt joint plate a (101) and the butt joint plate b (102).

5. The power supply device with the heat dissipation protection function as claimed in claim 1, wherein: the inner wall of the packaging lower shell (1) is fixedly provided with a buffer mechanism, the power module (3) is arranged in the packaging lower shell (1), and the buffer mechanism is abutted to the power module (3).

6. The power supply device with the heat dissipation protection function as claimed in claim 5, wherein: buffer gear includes spring holder (18), spacing groove (19) and buffer spring (20), spring holder (18) fixed mounting has seted up spacing groove (19) in the inner wall of encapsulation inferior valve (1), and spring holder (18) are close to one side of power module (3), the tank bottom fixedly connected with buffer spring (20) of spacing groove (19), and the other end of buffer spring (20) wears out spacing groove (19) and supports on power module (3).

7. The power supply device with the heat dissipation protection function as claimed in claim 1, wherein: an external water-cooling pipe (21) extending to the outside of the packaging upper shell (2) is installed in the packaging upper shell.