CN212936532U

CN212936532U - Convection type heat dissipation structure for power module

Info

Publication number: CN212936532U
Application number: CN202022293040.3U
Authority: CN
Inventors: 宇娜
Original assignee: Hefei Boyuan Electronic Technology Co ltd
Current assignee: Hefei Boyuan Electronic Technology Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-04-09
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a power module is with STREAMING heat radiation structure, including the casing to and set up at the inside power module of casing, the side fixed mounting of casing has the driving machine, the output of driving machine is fixed with the pivot, and the fixed surface that driving machine one end was kept away from in the pivot has the air inlet flabellum, the side of casing is seted up and is supplied air inlet flabellum pivoted air inlet notch, and the air inlet flabellum rotates and blows external cold air into in the casing, shells inner wall's left side is fixed with the subassembly of blowing. The utility model discloses an above-mentioned isotructure's cooperation has realized the setting through air inlet flabellum and air-out flabellum for the inside convection current that has formed with the outside of casing has accelerated the convection velocity of external cold air and the inside air of casing simultaneously, has improved the radiating efficiency to power module, and the wind energy that the fan blade of just blowing blew off directly acts on power module's surface, has further improved the radiating effect to power module.

Description

Convection type heat dissipation structure for power module

Technical Field

The utility model relates to a power module technical field specifically is a power module is with to STREAMING heat radiation structure.

Background

The power supply module is a power supply device which can be directly attached to a printed circuit board and is characterized by supplying power to an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a microprocessor, a memory, a Field Programmable Gate Array (FPGA) and other digital or analog loads. Generally, such modules are referred to as point-of-load (POL) power supply systems or point-of-use power supply systems (PUPS). Because the modular structure has many advantages, the modular power supply is widely applied to the communication fields of exchange equipment, access equipment, mobile communication, microwave communication, optical transmission, routers and the like, and the communication fields of automotive electronics, aerospace and the like.

Because current power module simple structure mostly carries out the heat dissipation treatment through natural cooling's mode to power module, leads to being difficult to in time to carry out the heat dissipation treatment to power module, and the radiating effect is relatively poor, has produced the influence for power module's normal use, consequently needs to improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power module is with STREAMING heat radiation structure, possess the setting through air inlet flabellum and air-out flabellum, make the inside convection current that has formed with the outside of casing, accelerated the convection velocity of external cold air and the inside air of casing simultaneously, improved the radiating efficiency to power module, and the wind energy that the fan blade of just blowing blew off directly acts on power module's surface, further improved the radiating effect to power module, the problem of proposing among the above-mentioned background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a power module is with STREAMING heat radiation structure, includes the casing to and set up at the inside power module of casing, the side fixed mounting of casing has the driving machine, the output of driving machine is fixed with the pivot, and the fixed surface that driving machine one end was kept away from in the pivot has the air inlet flabellum, the side of casing is seted up and is supplied air inlet flabellum pivoted air inlet notch, and the air inlet flabellum rotates and blows external cold air into in the casing.

The left side of the inner wall of the shell is fixed with the blowing assembly, the blowing assembly blows hot air in the shell to the outside of the shell, and the blowing assembly and the fan inlet blades form convection, so that the efficiency of external air entering the power module is improved.

Preferably, the subassembly of blowing includes the side U type pole of fixed connection on the left of shells inner wall, the surperficial inner wall of side U type pole rotates and is connected with the dwang, and the dwang carries out the transmission with the pivot through drive assembly and is connected, the fixed surface that power module one end was kept away from to the dwang has the air-out flabellum, and the side of casing has been seted up and has been supplied out fan blade pivoted air-out notch.

Preferably, the transmission assembly comprises belt wheels fixed on the rotating shaft and the rotating rod, and the two belt wheels are in transmission connection through a belt.

Preferably, the fixed surface of pivot has two worms, shells inner wall's top is connected with the worm wheel with worm meshing and adaptation through changeing post and bearing rotation, the bottom mounting of changeing the post has the fan leaf of blowing, and the vent has been seted up at the top of casing.

Preferably, the inner walls of the air inlet notch, the air outlet notch and the ventilation opening are all fixed with dust screens.

Preferably, a supporting plate is fixed on the top of the inner wall of the shell, and the rotating shaft penetrates through the supporting plate and is rotatably connected with the supporting plate through a bearing.

Compared with the prior art, the beneficial effects of the utility model are as follows:

one, the utility model discloses a set up the rotation of driving machine, pivot, air inlet flabellum, drive assembly and air-out flabellum, the air inlet flabellum rotates and to blow external cold air into in the casing, and the air-out flabellum then can blow off the inside hot-air of casing for the casing is inside to have formed the convection current with the outside, has accelerated the convection velocity of external cold air and the inside air of casing simultaneously, has improved the radiating efficiency to power module.

Two, the utility model discloses a set up rotation post, worm and worm wheel for the pivot is rotated and also can be driven the rotation post and is rotated, thereby drives the fan leaf of blowing and rotates, and the wind energy that the fan leaf of blowing blew off can directly act on power module's surface, has further improved the radiating effect to power module.

Drawings

Fig. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a partial cross-sectional top view of the worm gear and worm of the present invention;

fig. 3 is an enlarged view of the structure of the present invention at a.

In the figure: 1. a housing; 2. a power supply module; 3. a driver; 4. a rotating shaft; 5. air inlet fan blades; 6. a side U-shaped bar; 7. rotating the rod; 8. an air outlet fan blade; 9. a belt; 10. a worm; 11. a worm gear; 12. a blower blade; 13. a dust screen; 14. and a support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a power module is with STREAMING heat radiation structure, includes casing 1 to and set up power module 2 in casing 1 inside, the side fixed mounting of casing 1 has driving machine 3, and the output end of driving machine 3 is fixed with pivot 4.

Further, a supporting plate 14 is fixed to the top of the inner wall of the housing 1, the rotating shaft 4 penetrates through the supporting plate 14 and is rotatably connected with the supporting plate 14 through a bearing, and the supporting plate 14 supports the rotating shaft 4, so that the rotating shaft 4 can rotate more stably and smoothly.

And the surface of the end of the rotating shaft 4 far away from the driving machine 3 is fixed with an air inlet fan blade 5, the side surface of the shell 1 is provided with an air inlet notch for rotating the air inlet fan blade 5, and the air inlet fan blade 5 rotates to blow external cold air into the shell 1.

Further, the fixed surface of pivot 4 has two worms 10, the top of 1 inner wall of casing rotates through rotary column and bearing and is connected with the worm wheel 11 with worm 10 meshing and adaptation, the bottom mounting of rotary column has the fan leaf 12 of blowing, and the vent has been seted up at casing 1's top, 4 pivoted in the pivot, can drive worm 10 and rotate, worm 10 then can drive worm wheel 11 and rotate, thereby can drive the rotary column and rotate, thereby it rotates to drive fan leaf 12 of blowing, the wind energy that fan leaf 12 of blowing blew out can directly be used in power module 2's surface, the radiating effect to power module 2 has been improved.

The left side of the inner wall of the shell 1 is fixed with a blowing assembly, the blowing assembly blows hot air inside the shell 1 to the outside of the shell 1, and the blowing assembly and the air inlet fan blades 5 form convection, so that the efficiency of the outside air entering the power module 2 is accelerated.

Furthermore, the blowing assembly comprises a side U-shaped rod 6 fixedly connected to the left side of the inner wall of the casing 1, the inner wall of the surface of the side U-shaped rod 6 is rotatably connected with a rotating rod 7, the rotating rod 7 is in transmission connection with the rotating shaft 4 through a transmission assembly, an air outlet fan blade 8 is fixed on the surface of the rotating rod 7 far away from one end of the power module 2, an air outlet notch for rotating the air outlet fan blade 8 is formed in the side surface of the casing 1, the output end of the driving machine 3 drives the rotating shaft 4 to rotate, so that the air inlet fan blade 5 can be driven to rotate, the air inlet fan blade 5 can blow outside cold air into the casing 1, meanwhile, the rotating shaft 4 rotates, the rotating rod 7 can be driven to rotate under the transmission action of the belt wheel and the belt 9, so that the air outlet fan blade 8 can be driven to rotate, and the air outlet fan blade 8 can blow, meanwhile, the convection speed of the outside cold air and the air in the shell is increased, and the heat dissipation efficiency of the power module 2 is improved.

Further, the transmission assembly comprises belt wheels fixed on the rotating shaft 4 and the rotating rod 7, and the two belt wheels are in transmission connection through a belt 9.

Furthermore, the inner walls of the air inlet notch, the air outlet notch and the ventilation opening are respectively fixed with a dustproof net 13, and the dustproof net 13 prevents outside air from entering the shell 1.

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

Claims

1. The utility model provides a power module is with STREAMING heat radiation structure, includes casing (1) to and set up power module (2) inside casing (1), its characterized in that: a driving machine (3) is fixedly mounted on the side surface of the shell (1), a rotating shaft (4) is fixed at the output end of the driving machine (3), an air inlet fan blade (5) is fixed on the surface of one end, away from the driving machine (3), of the rotating shaft (4), an air inlet notch for rotating the air inlet fan blade (5) is formed in the side surface of the shell (1), and the air inlet fan blade (5) rotates to blow external cold air into the shell (1);

the left side of casing (1) inner wall is fixed with the subassembly of blowing, and the subassembly of blowing blows casing (1) outside with the inside hot-air of casing (1), and the subassembly of blowing has formed the convection current with air inlet flabellum (5) for the efficiency in the outside air gets into power module (2).

2. A convective heat-dissipating structure for a power module according to claim 1, wherein: the subassembly of blowing includes side U type pole (6) of fixed connection on casing (1) inner wall left side, the surperficial inner wall of side U type pole (6) rotates and is connected with dwang (7), and dwang (7) carry out the transmission with pivot (4) through drive assembly and be connected, the fixed surface that power module (2) one end was kept away from in dwang (7) has air-out flabellum (8), and the side of casing (1) has been seted up and has been offered out fan leaf (8) pivoted air-out notch.

3. A convective heat-dissipating structure for a power module according to claim 2, wherein: the transmission assembly comprises belt wheels fixed on the rotating shaft (4) and the rotating rod (7), and the two belt wheels are in transmission connection through a belt (9).

4. A convective heat-dissipating structure for a power module according to claim 1, wherein: the surface mounting of pivot (4) has two worms (10), the top of casing (1) inner wall is connected with through changeing post and bearing rotation with worm (10) meshing and worm wheel (11) of adaptation, the bottom mounting of changeing post has blowing fan leaf (12), and the vent has been seted up at the top of casing (1).

5. A convective heat dissipation structure for power module in accordance with claim 4, wherein: and the inner walls of the air inlet notch, the air outlet notch and the ventilation opening are all fixed with dustproof nets (13).

6. A convective heat-dissipating structure for a power module according to claim 1, wherein: a supporting plate (14) is fixed to the top of the inner wall of the shell (1), and the rotating shaft (4) penetrates through the supporting plate (14) and is rotatably connected with the supporting plate (14) through a bearing.