CN216357956U - High-efficient radiating switching power supply device - Google Patents

Abstract

The utility model relates to the technical field of switching power supplies, and discloses a high-efficiency heat-dissipation switching power supply device which comprises a bottom plate, wherein the upper end of the bottom plate is connected with a power supply assembly, the outer side of the power supply assembly is sleeved with a shell, the upper end of the shell is fixedly connected with a round sleeve, a round hole is formed in the position, located inside the round sleeve, of the upper end of the shell, a heat-dissipation fan and a dust screen are fixedly arranged inside the round sleeve, the dust screen is arranged above the heat-dissipation fan, the upper end of the round sleeve is fixedly connected with a plurality of connecting rods, the upper ends of the connecting rods are fixedly connected with a top cover together, a dust-removal brush is arranged below the top cover, the lower end of the dust-removal brush is in contact with the upper end of the dust screen, and the top cover is connected with a driving mechanism and is connected with the dust-removal brush through the driving mechanism. The utility model can avoid dust and the like from blocking the dustproof mesh, ensure continuous and efficient heat dissipation on the switching power supply, has good heat dissipation effect and effectively reduces the influence of moisture on the switching power supply.

Description

High-efficient radiating switching power supply device

Technical Field

The utility model relates to the technical field of switching power supplies, in particular to a switching power supply device capable of efficiently dissipating heat.

Background

The switching power supply is a power supply which utilizes modern power electronic technology to control the on-off time ratio of a switching tube and maintain stable output voltage, and generally consists of a Pulse Width Modulation (PWM) control IC and a MOSFET.

At present, be the fretwork design on the shell of switching power supply homonymy for the heat dissipation, but this kind of protective effect is relatively poor, also has to carry out radiating through radiator fan, but the dust can be along with the distinguished and admirable accumulation on the dust screen surface, gathers too much and can lead to the mesh to block up, influences ventilation efficiency, and then influences the radiating effect, consequently, provides a high-efficient radiating switching power supply unit.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, a shell on the same side of a switching power supply is in a hollow design and used for heat dissipation, but the protection effect is poor, and heat dissipation is performed through a heat dissipation fan, but dust is accumulated on the surface of a dustproof net along with wind flow, and excessive accumulation can cause mesh blockage, influence the ventilation efficiency and further influence the heat dissipation effect, and the switching power supply device with high heat dissipation efficiency is provided.

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

the utility model provides a high-efficient radiating switching power supply unit, includes the bottom plate, the upper end of bottom plate is connected with power supply module, power supply module's outside cover is equipped with the shell, the upper end fixedly connected with circle cover of shell, and the upper end of shell is located the inside position of circle cover and has seted up the round hole, the fixed radiator fan and the dust screen of being equipped with in inside of circle cover, the dust screen is located the top setting of radiator fan, a plurality of connecting rods of the upper end fixedly connected with of circle cover, it is a plurality of the common fixedly connected with top cap in upper end of connecting rod, the below of top cap is equipped with the dust removal brush, the lower extreme of dust removal brush contacts the setting with the upper end of dust screen, the top cap is connected with actuating mechanism and is connected with the dust removal brush through actuating mechanism, a plurality of louvres have all been seted up to the lateral wall about the shell.

Preferably, the position that the inside of shell is located power supply module top is connected with the cotton pad of moisture absorption corresponding with the round hole position, the left and right sides of shell all is equipped with the closing plate, and is a plurality of the louvre all is located and sets up between two closing plates, the lateral wall all is connected with two sets of elastic telescoping mechanism and is connected with two closing plates through two sets of elastic telescoping mechanism about the shell.

Preferably, actuating mechanism is including rotating the pivot that sets up at the top cap lower extreme, the lower extreme of pivot and the upper end fixed connection of dust removal brush, the upper end fixedly connected with driving motor of top cap, and driving motor's output and pivot are connected.

Preferably, every elastic telescoping mechanism all includes dead lever, movable rod and spring, the dead lever is located the fixed grafting of the lateral wall of shell, the tip of dead lever seted up with movable rod assorted circular slot, the spring is located and is fixed the setting between the tip of movable rod and the tank bottom of circular slot, the one end that the shell was kept away from to the movable rod is fixedly connected with the lateral wall of closing plate.

Preferably, the lower end of the outer side wall of the shell is fixedly connected with a plurality of mounting blocks, and the upper end of each mounting block and the upper end of the bottom plate are connected with mounting screws in a threaded mode.

Preferably, the cotton below that fills up of moisture absorption is equipped with the clamping ring, the common threaded connection in the upper end of the lower extreme of clamping ring and shell has a set of crimping screw.

Compared with the prior art, the utility model provides a switching power supply device with high-efficiency heat dissipation, which has the following beneficial effects:

1. this high-efficient radiating switching power supply unit, through mutually supporting of bottom plate, power supply module and the shell that is equipped with, can regard as switching power supply to use, through mutually supporting of the circle cover that is equipped with, radiator fan, dust screen, connecting rod, top cap, dust removal brush and actuating mechanism, can dispel the heat to power supply module, and can avoid the dust etc. to block up dustproof mesh, ensures the high-efficient heat dissipation that lasts, and the radiating effect is good.

2. This high-efficient radiating switching power supply device, through the cotton pad of moisture absorption that is equipped with, two closing plates and two sets of elastic expansion mechanism mutually support, can avoid external moisture and power supply module contact as far as possible, effectively reduce the influence of moisture to power supply module.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, dust and the like can be prevented from blocking the dustproof mesh, continuous and efficient heat dissipation on the switching power supply is ensured, the heat dissipation effect is good, and meanwhile, the influence of moisture on the switching power supply is effectively reduced.

Drawings

Fig. 1 is a schematic structural diagram of a switching power supply device with high heat dissipation efficiency according to the present invention;

FIG. 2 is an enlarged view of the portion A in FIG. 1;

fig. 3 is an enlarged view of a portion B of fig. 1.

In the figure: the device comprises a base plate 1, a power supply assembly 2, a shell 3, a round sleeve 4, a cooling fan 5, a dust screen 6, a connecting rod 7, a top cover 8, a dust removing brush 9, a moisture absorption cotton pad 10, a sealing plate 11, a driving motor 12, a fixed rod 13, a movable rod 14, a spring 15, a mounting block 16, a mounting screw 17, a pressing ring 18 and a pressing screw 19.

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.

Referring to fig. 1-3, a high-efficient radiating switching power supply unit, including bottom plate 1, the upper end of bottom plate 1 is connected with power supply module 2, power supply module 2's outside cover is equipped with shell 3, shell 3's upper end fixedly connected with circle cover 4, and the round hole has been seted up to the upper end of shell 3 position inside the circle cover 4, circle cover 4's inside is fixed and is equipped with radiator fan 5 and dust screen 6, dust screen 6 is located radiator fan 5's top setting, a plurality of connecting rods 7 of the upper end fixedly connected with of circle cover 4, the common fixedly connected with top cap 8 in upper end of a plurality of connecting rods 7, the below of top cap 8 is equipped with dust removal brush 9, the lower extreme of dust removal brush 9 contacts the setting with the upper end of dust screen 6, top cap 8 is connected with actuating mechanism and is connected with dust removal brush 9 through actuating mechanism, a plurality of louvres have all been seted up to the lateral wall about shell 3.

The inside position that is located 2 tops of power supply module of shell 3 is connected with the cotton pad 10 of moisture absorption corresponding with the round hole position, the left and right sides of shell 3 all is equipped with closing plate 11, a plurality of louvres all are located and set up between two closing plate 11, the lateral wall all is connected with two sets of elastic telescoping mechanism and is connected with two closing plate 11 through two sets of elastic telescoping mechanism about shell 3, through the cotton pad 10 of moisture absorption, can dehumidify the drying to the distinguished and admirable of entering, through two closing plate 11, when not using, can seal up a plurality of louvres and block, thereby can effectively prevent the moisture, dust etc. gets into from the louvre.

Actuating mechanism is including rotating the pivot that sets up at top cap 8 lower extreme, the lower extreme of pivot and the upper end fixed connection of dust removal brush 9, and the upper end fixedly connected with driving motor 12 of top cap 8, and driving motor 12's output is connected with the pivot, and driving motor 12 work can make the pivot rotate to can make dust removal brush 9 rotate, and then can scrape the dust removal to dust screen 6.

Every elasticity telescopic machanism all includes dead lever 13, movable rod 14 and spring 15, dead lever 13 is located the fixed grafting of lateral wall of shell 3, the tip of dead lever 13 seted up with 14 assorted slots of movable rod, spring 15 is located fixed the setting between the tip of movable rod 14 and the tank bottom of slot, the one end that shell 3 was kept away from to movable rod 14 and closing plate 11's lateral wall fixed connection, when the heat dissipation, the wind current that radiator fan 5 blown can increase the inside atmospheric pressure of shell 3, along with the atmospheric pressure increase, can make two closing plate 11 remove to opposite one side, then can spill the louvre, radiating wind current can be discharged through the louvre.

A plurality of installation pieces 16 of lateral wall lower extreme fixedly connected with of shell 3, the equal common threaded connection in upper end of every installation piece 16 and the upper end of bottom plate 1 has mounting screw 17, can be convenient for dismantle shell 3 to overhaul and maintain power supply module 2.

The lower part of the moisture absorption cotton pad 10 is provided with a press ring 18, the lower end of the press ring 18 and the upper end of the shell 3 are in threaded connection with a group of compression screws 19, and the moisture absorption cotton pad 10 can be replaced conveniently.

When the dust removal brush is used, the bottom plate 1, the power supply module 2 and the shell 3 can be used as a switching power supply, the heat dissipation fan 5 works to accelerate air flow in the shell 3, so that heat of the power supply module 2 can be dissipated, the driving motor 12 works while heat is dissipated, the rotating shaft can rotate, the dust removal brush 9 can rotate, and the dust screen 6 can be scraped to prevent dust accumulated on the surface of the dust screen 6 from affecting ventilation efficiency.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. A high-efficiency heat-dissipation switching power supply device comprises a bottom plate (1) and is characterized in that a power supply assembly (2) is connected to the upper end of the bottom plate (1), a shell (3) is sleeved on the outer side of the power supply assembly (2), a round sleeve (4) is fixedly connected to the upper end of the shell (3), a round hole is formed in the position, located inside the round sleeve (4), of the upper end of the shell (3), a heat-dissipation fan (5) and a dust-proof screen (6) are fixedly arranged inside the round sleeve (4), the dust-proof screen (6) is arranged above the heat-dissipation fan (5), a plurality of connecting rods (7) are fixedly connected to the upper end of the round sleeve (4), a top cover (8) is fixedly connected to the upper ends of the connecting rods (7) jointly, a dust-removal brush (9) is arranged below the top cover (8), and the lower end of the dust-removal brush (9) is in contact with the upper end of the dust-proof screen (6), the top cover (8) is connected with a driving mechanism and is connected with the dust removal brush (9) through the driving mechanism, and a plurality of heat dissipation holes are formed in the left side wall and the right side wall of the shell (3).

2. The switching power supply unit with high heat dissipation efficiency as claimed in claim 1, wherein the position inside the casing (3) above the power supply module (2) is connected with a moisture absorption cotton pad (10) corresponding to the position of the circular hole, the left and right sides of the casing (3) are respectively provided with a sealing plate (11), the heat dissipation holes are respectively arranged between the two sealing plates (11), and the left and right side walls of the casing (3) are respectively connected with two sets of elastic telescopic mechanisms and are connected with the two sealing plates (11) through the two sets of elastic telescopic mechanisms.

3. The switching power supply device with high heat dissipation efficiency as defined in claim 1, wherein the driving mechanism comprises a rotating shaft rotatably disposed at a lower end of the top cover (8), a lower end of the rotating shaft is fixedly connected with an upper end of the dust removing brush (9), a driving motor (12) is fixedly connected with an upper end of the top cover (8), and an output end of the driving motor (12) is connected with the rotating shaft.

4. The switching power supply device with high heat dissipation efficiency as claimed in claim 2, wherein each elastic telescopic mechanism comprises a fixed rod (13), a movable rod (14) and a spring (15), the fixed rod (13) is located on the side wall of the housing (3) and fixedly inserted, a circular groove matched with the movable rod (14) is formed in the end portion of the fixed rod (13), the spring (15) is located between the end portion of the movable rod (14) and the bottom of the circular groove, and one end, far away from the housing (3), of the movable rod (14) is fixedly connected with the side wall of the sealing plate (11).

5. The switching power supply device with high heat dissipation efficiency as recited in claim 1, wherein a plurality of mounting blocks (16) are fixedly connected to the lower end of the outer side wall of the casing (3), and a mounting screw (17) is commonly and threadedly connected to the upper end of each mounting block (16) and the upper end of the bottom plate (1).

6. The switching power supply device with high heat dissipation efficiency as recited in claim 2, wherein a press ring (18) is arranged below the moisture absorption cotton pad (10), and a set of compression screws (19) are connected with the lower end of the press ring (18) and the upper end of the shell (3) through common threads.

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