CN213343163U

CN213343163U - Novel switching power supply's heat dissipation device

Info

Publication number: CN213343163U
Application number: CN202022563666.1U
Authority: CN
Inventors: 刘新华
Original assignee: Shenzhen Huayiteng Technology Development Co ltd
Current assignee: Shenzhen Huayiteng Technology Development Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-06-01
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a novel switching power supply's heat dissipation device, including the protection box, the top surface of protection box is equipped with the protective cover, the top surface both sides of protective cover are equipped with the coupling mechanism of symmetry, be equipped with first heat dissipation mechanism on the both sides lateral wall of protection box, the inside of protection box is equipped with second heat dissipation mechanism, be equipped with the switched mode power supply between the second heat dissipation mechanism. A novel switching power supply's heat abstractor, belong to the heat abstractor field, through installing second heat dissipation mechanism, be used for avoiding the heat to stop in the inside of switching mode power supply, and cause the ageing of inside components and parts, the first heat dissipation mechanism of installation, the heat that the mode through the heat exchange gived off the switching mode power supply exchanges with external cold air, realize the operation of cooling to switching mode power supply, the coupling mechanism of installation, be used for on protective cover fixed connection to protection box, and protect inside switching mode power supply.

Description

Novel switching power supply's heat dissipation device

Technical Field

The utility model relates to a heat abstractor field, in particular to novel switching power supply's heat abstractor.

Background

A Switch Mode Power Supply (SMPS), also called a switching Power Supply and a switching converter, is a high-frequency Power conversion device, and is a kind of Power Supply. The heat dissipation mode of the existing switching power supply is that heat dissipation is carried out through the heat dissipation holes in the switching power supply, the heat dissipation effect is poor, the temperature of the switching power supply is often too high, if a good heat dissipation device does not exist, after the temperature of the switching power supply is too high, the aging speed of components inside the switching power supply is easily accelerated, the service life of the switching power supply is shortened, and the switching power supply can be directly burnt seriously.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a novel switching power supply heat dissipation device, which can effectively solve the problems in the background art.

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

the utility model provides a novel switching power supply's heat dissipation device, includes the protection box, the top surface of protection box is equipped with the protective cover, the top surface both sides of protective cover are equipped with the coupling mechanism of symmetry, be equipped with first heat dissipation mechanism on the both sides lateral wall of protection box, the inside of protection box is equipped with second heat dissipation mechanism, be equipped with the switched mode power between the second heat dissipation mechanism.

Preferably, the lateral walls of the two sides of the protection box are provided with symmetrical square grooves, the square grooves penetrate through the lateral walls of the protection box, the front wall and the rear wall of the protection box are provided with through heat dissipation holes, the outer walls of the protection box at the upper end and the lower end of the notch of each square groove are provided with symmetrical thread grooves, and the protection box is used for being matched with the installation of the first heat dissipation mechanism.

Preferably, first heat dissipation mechanism includes radiator fan, fixed block and nut, fixed block of symmetry is installed to fixed mounting on radiator fan's the last lower extreme outer wall, set up the thread groove that link up on the fixed block, movable mounting has the nut in the thread groove, the front end of nut is arranged in the thread groove of seting up on the protection box, radiator fan is arranged in square groove, and its usage lies in, realizes the cooling through the mode of heat exchange to the switched mode power and handles.

Preferably, the second heat dissipation mechanism includes first compression spring and fin, fixed mounting has the first compression spring of symmetry on the inner wall about the protection box, front and back inner wall and the bottom surface wall, the front end fixed mounting of first compression spring has the fin, the switch mode power has been placed between the fin, and its usage lies in, gives off the external world rapidly with the heat that the switch mode power sent, avoids the heat too much to stop in the switch mode power.

Preferably, symmetrical grooves are formed in the upper wall and the lower wall of the top surface of the protection box, clamping grooves are formed in the outer side walls of the grooves, and the protection box is used in cooperation with a connecting mechanism.

Preferably, the movable groove of symmetry is seted up on the top surface both sides lateral wall that coupling mechanism includes dead lever, second compression spring and right angle pole protective cover, the movable groove link up the protective cover and with the mutual symmetry of recess that protective box top surface was seted up, fixed mounting has horizontal dead lever in the groove of movable groove, the spread groove has been seted up on the right angle pole, the right angle pole passes through spread groove movable mounting on the dead lever, second compression spring movable mounting is on the dead lever, second compression spring's rear end fixed mounting is on the cell wall of movable groove, second compression spring's front end fixed mounting is on the lateral wall of right angle pole, and its usage lies in, is connected to the protective cover on the protective box to the inside switch mode power of protective box protects.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through installation second heat dissipation mechanism, a be used for with the rapid transmission of the heat that the switch mode power gived off to the device on, and give off the heat to the air through the device, avoid the heat to stop in the inside of switch mode power, and cause the ageing of inside components and parts, the first heat dissipation mechanism of installation, the heat that gives off the switch mode power through the mode of heat exchange exchanges with external cold air, realize the operation of cooling to the switch mode power, the coupling mechanism of installation, a protection cover fixed connection is to on the protection box, and protect the switch mode power of inside.

Drawings

Fig. 1 is a schematic plan view of the overall structure of a heat dissipation device of a novel switching power supply of the present invention;

fig. 2 is a schematic plan side view of the overall structure of a heat dissipation device of the novel switching power supply of the present invention;

fig. 3 is a schematic plan top sectional view of a protection box of a heat dissipation device of a novel switching power supply according to the present invention;

fig. 4 is a schematic sectional view illustrating the installation between the cooling fan and the protection box of the cooling device of the switching power supply of the present invention;

fig. 5 is a schematic sectional view of the connection between the connection mechanism and the protection box of the heat dissipation device of the novel switching power supply of the present invention;

fig. 6 is a schematic cross-sectional view of a right-angle rod of a heat dissipation device of the novel switching power supply of the present invention;

fig. 7 is a schematic plan side view of the protection box of the novel heat dissipation device for a switching power supply of the present invention.

In the figure: 1. a protective case; 2. a protective cover; 3. a connecting mechanism; 4. a first heat dissipation mechanism; 5. heat dissipation holes; 6. a heat radiation fan; 7. a second heat dissipation mechanism; 8. a switched mode power supply; 9. a first compression spring; 10. a heat sink; 11. a groove; 12. a fixed block; 13. a thread groove; 14. a nut; 15. a card slot; 16. a movable groove; 17. fixing the rod; 18. a second compression spring; 19. a right-angle rod; 20. connecting grooves; 21. a square groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-7, a heat dissipation device for a novel switching power supply includes a protection box 1, a protection cover 2 is disposed on a top surface of the protection box 1, symmetrical connection mechanisms 3 are disposed on two sides of the top surface of the protection cover 2, first heat dissipation mechanisms 4 are disposed on side walls on two sides of the protection box 1, a second heat dissipation mechanism 7 is disposed inside the protection box 1, and a switching mode power supply 8 is disposed between the second heat dissipation mechanisms 7.

In this embodiment, in order to cooperate with the installation of the first heat dissipation mechanism 4, symmetrical square grooves 21 are formed on the side walls of the two sides of the protection box 1, the square grooves 21 run through the side walls of the protection box 1, the through heat dissipation holes 5 are formed in the front and rear walls of the protection box 1, symmetrical thread grooves 13 are formed in the outer wall of the protection box 1 at the upper and lower ends of the notch of the square grooves 21, the thread grooves 13 are used for fixing nuts 14, and the square grooves 21 enable the first heat dissipation mechanism 4 to be convenient for heat dissipation of the heat inside the protection box 1.

In this embodiment, in order to implement the cooling process for the switch mode power supply 8 inside the protection box 1, the first heat dissipation mechanism 4 includes a heat dissipation fan 6, a fixing block 12 and a nut 14, the fixing block 12 is fixed on the outer walls of the upper and lower ends of the heat dissipation fan 6, a through thread groove 13 is formed in the fixing block 12, the nut 14 is movably installed in the thread groove 13, the front end of the nut 14 is located in the thread groove 13 formed in the protection box 1, the heat dissipation fan 6 is located in the square groove 21, the heat dissipation fan 6 is fixed on the side wall of the protection box 1 through the nut 14, when the heat dissipation fan 6 operates, the heat inside the protection box 1 is sucked out, and the external cold air is brought into the protection box 1.

In this embodiment, in order to avoid the heat that switch mode power supply 8 gived off to stop in inside, second heat dissipation mechanism 7 includes first compression spring 9 and fin 10, the inner wall about protection box 1, fixed mounting has symmetrical first compression spring 9 on front and back inner wall and the bottom surface wall, the front end fixed mounting of first compression spring 9 has fin 10, switch mode power supply 8 has been placed between fin 10, elastic force through first compression spring 9, support fin 10 on switch mode power supply 8's outer wall, when switch mode power supply 8 generates heat, absorb its heat and give off to the external world.

In this embodiment, in order to cooperate with the use of the connecting mechanism 3, symmetrical grooves 11 are formed in the upper and lower walls of the top surface of the protective box 1, and clamping grooves 15 are formed on the outer side walls of the grooves 11, wherein the clamping grooves 15 on the side walls of the grooves 11 are used for fixing the right-angle rods 19.

In addition, the connecting mechanism 3 comprises a fixed rod 17, a second compression spring 18 and a right-angle rod 19, wherein symmetrical movable grooves 16 are formed in the side walls of the two sides of the top surface of the protective cover 2, the movable grooves 16 penetrate through the protective cover 2 and are mutually symmetrical with grooves 11 formed in the top surface of the protective box 1, a transverse fixed rod 17 is fixedly arranged in the grooves of the movable grooves 16, a connecting groove 20 is formed in the right-angle rod 19, the right-angle rod 19 is movably arranged on the fixed rod 17 through the connecting groove 20, the second compression spring 18 is movably arranged on the fixed rod 17, the rear end of the second compression spring 18 is fixedly arranged on the groove wall of the movable groove 16, the front end of the second compression spring 18 is fixedly arranged, when the right-angle rod 19 moves towards the rear end on the fixed rod 17, the second compression spring 18 makes retraction movement on the fixed rod 17, when the second compression spring 18 makes an extension movement, the front end of the right-angle rod 19 is driven to be clamped into the clamping groove 15.

It should be noted that, when the heat dissipation device of the switch power supply of the present invention is used, first, the first heat dissipation mechanism 4 is used to align the fixed block 12 installed on the heat dissipation fan 6 to the threaded groove 13 formed on the side wall of the protection box 1, then the nut 14 is screwed into the threaded groove 13 formed in the fixed block 12 and the front end of the nut enters the threaded groove 13 formed in the protection box 1, at this time, the heat dissipation fan 6 will be located at the notch of the square groove 21 and cover the same, and the remaining heat dissipation fan 6 is installed in sequence, then the switch mode power supply 8 is placed inside the protection box 1, during the placement process, the first compression spring 9 in the second heat dissipation mechanism 7 will make a retracting motion to drive the heat dissipation fin 10 at the front end to move to the rear end, so that the switch mode power supply 8 completely enters the inside of the protection box 1, meanwhile, the heat radiating fins 10 are abutted against the outer wall of the switch mode power supply 8 by the reverse force made by the first compression spring 9, then the connecting mechanism 3 is used, the right-angle rods 19 which are symmetrical on two sides of the top surface of the protection box 1 are mutually approached by two hands, in the process of approaching the right-angle rods 19, the right-angle rods 19 move to the rear ends on the fixed rods 17 which are installed in the movable grooves 16 through the connecting grooves 20, meanwhile, the second compression spring 18 retracts on the fixed rods 17, in the process of executing the operation, whether the right-angle rods 19 can enter the grooves 11 which are formed in the top surface of the protection box 1 is observed, the operation is carried out until the bottom ends of the right-angle rods 19 can enter the grooves 11, then the protective cover 2 is taken up to align the right-angle rods 19 on the grooves 11 and cover the top surface of the protection box 1, then the two hands are loosened, at the moment, due to the resilience of the second compression spring 18, the second compression spring 18, and with right angle pole 19 to the front end top for in the draw-in groove 15 of seting up on the front end entering into recess 11 lateral wall of right angle pole 19, at the switched mode power 8 during operation, heat that fin 10 can send it absorbs, and give off to the external world, and radiator fan 6 can be with the inside heat exchange of protection box 1 to the external world simultaneously, and the inside that introduces protection box 1 with external cold air is cooled down the processing to switched mode power 8.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel switching power supply's heat dissipation device which characterized in that: including protection box (1), the top surface of protection box (1) is equipped with protective cover (2), the top surface both sides of protective cover (2) are equipped with coupling mechanism (3) of symmetry, be equipped with first heat dissipation mechanism (4) on the both sides lateral wall of protection box (1), the inside of protection box (1) is equipped with second heat dissipation mechanism (7), be equipped with switched mode power (8) between second heat dissipation mechanism (7).

2. The novel heat dissipation device of the switching power supply as claimed in claim 1, wherein: the protective box is characterized in that symmetrical square grooves (21) are formed in the side walls of the two sides of the protective box (1), the square grooves (21) penetrate through the side walls of the protective box (1), through heat dissipation holes (5) are formed in the front wall and the rear wall of the protective box (1), and symmetrical thread grooves (13) are formed in the outer wall of the protective box (1) at the upper end and the lower end of the notch of each square groove (21).

3. The novel heat dissipation device of the switching power supply as claimed in claim 1, wherein: first heat dissipation mechanism (4) are including radiator fan (6), fixed block (12) and nut (14), fixed block (12) of symmetry are installed to fixed on the upper and lower end outer wall of radiator fan (6), threaded groove (13) that link up have been seted up on fixed block (12), movable mounting has nut (14) in threaded groove (13), the front end of nut (14) is arranged in threaded groove (13) of seting up on protection box (1), radiator fan (6) are arranged in square groove (21).

4. The novel heat dissipation device of the switching power supply as claimed in claim 1, wherein: second heat dissipation mechanism (7) include first compression spring (9) and fin (10), fixed mounting has symmetrical first compression spring (9) on the inner wall, front and back inner wall and the bottom surface wall about protection box (1), the front end fixed mounting of first compression spring (9) has fin (10), switch mode power (8) have been placed between fin (10).

5. The novel heat dissipation device of the switching power supply as claimed in claim 1, wherein: symmetrical grooves (11) are formed in the upper wall and the lower wall of the top surface of the protection box (1), and clamping grooves (15) are formed in the outer side walls of the grooves (11).

6. The novel heat dissipation device of the switching power supply as claimed in claim 1, wherein: the connecting mechanism (3) comprises a fixed rod (17), a second compression spring (18) and a right-angle rod (19), and two symmetrical movable grooves (16) are formed in the side walls of the two sides of the top surface of the protective cover (2), the movable groove (16) penetrates through the protective cover (2) and is symmetrical to the groove (11) formed on the top surface of the protective box (1), a transverse fixing rod (17) is fixedly arranged in the groove of the movable groove (16), the right-angle rod (19) is provided with a connecting groove (20), the right-angle rod (19) is movably arranged on the fixed rod (17) through the connecting groove (20), the second compression spring (18) is movably arranged on the fixed rod (17), the rear end of the second compression spring (18) is fixedly arranged on the wall of the movable groove (16), the front end of the second compression spring (18) is fixedly arranged on the side wall of the right-angle rod (19).