CN218603357U - Switching power supply - Google Patents

Abstract

The utility model relates to the technical field of switching power supplies, and discloses a switching power supply, which comprises a box body, a sealing plate and a bottom plate, wherein the sealing plate is in sliding connection with the box body; through radiator fan, first dustproof subassembly, the cooperation between dustproof subassembly of second and the box, through radiator fan to the cooling of constant voltage constant current subassembly in the box, the air passes through louvre and ventilation hole introduction box heat dissipation with the external air under radiator fan's effect, can dismantle otter board and dust screen can effectually block the dust and get into the box, reduce the dust to constant voltage constant current subassembly's influence, convenient to detach washs, the efficiency of heat dissipation is improved, radiator fan's the amount of wind is big simultaneously, the noise is less during the heat dissipation.

Description

Switching power supply

Technical Field

The utility model relates to a switching power supply technical field specifically is switching power supply.

Background

The switching power supply is also called a power adapter, is used for charging a battery or supplying power to an electric appliance, is one of the most common electronic equipment in daily life, and has great significance on power utilization safety due to stability and reliability;

in the prior art, publication no: chinese utility model of CN215646597U discloses a constant voltage and constant current switching power supply, which includes: the device comprises a shell, a constant voltage and constant current assembly and a control switch, wherein the shell forms an installation space; the constant-voltage constant-current component is arranged in the installation space; the control switch is arranged on the shell and is electrically connected with the constant-voltage constant-current component; the casing includes the heating panel, the louvre has been seted up on the surface of heating panel, the heating panel includes a plurality of bending sections, and is a plurality of the bending section is the end-to-end connection in proper order, and this utility model can reduce thermal continuous accumulation, guarantees constant voltage and constant current regulating circuit and can normally work, improves electrical components's life.

However, the noise generated when the heat is dissipated in the housing is large, dust can enter the housing through the heat dissipation holes, the constant-voltage constant-current component is affected, and the service life of the constant-voltage constant-current component is affected, so that the switching power supply needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a switching power supply prevents that the dust from passing through the louvre and getting into the box, reduces the dust to constant voltage constant current component's influence, and noise when reducing the heat dissipation simultaneously is with lower costs, is convenient for wash the dust screen to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the switch power supply comprises a box body, a sealing plate and a bottom plate, wherein the sealing plate is connected with the box body in a sliding mode, the bottom plate is installed on one side of the box body, a plurality of groups of air inlet holes are formed in one side of the bottom plate, a first dustproof assembly is installed on one side of the bottom plate, a second dustproof assembly is installed on the upper surface of the sealing plate, and two groups of cooling fans are installed on one side in the box body;

the first dustproof assembly comprises two groups of limiting blocks and a frame, a dustproof net is arranged in the frame, two ends of the frame are respectively connected with the two groups of limiting blocks in a sliding mode, second sliding grooves are formed in opposite sides of the two groups of limiting blocks, and a first lug is bonded to one side of the frame;

the second dustproof assembly comprises a plurality of groups of positioning blocks, clamping grooves are formed in the side walls of the plurality of groups of positioning blocks, the plurality of groups of positioning blocks are connected with detachable screen plates in a clamping mode through the clamping grooves, and a plurality of groups of second convex blocks are bonded on the upper surfaces of the detachable screen plates.

Preferably, two sets of through holes are opened and closed on the other side of the box body, a protective frame is arranged at one end of each through hole, the protective frame is fixedly connected with the heat dissipation fans through a plurality of groups of fixing bolts, and the heat dissipation fans are double-ball fans.

Preferably, two sets of fixed blocks are welded on two sides of the inner cavity of the box body, the box body is fixedly connected with the bottom plate through a plurality of sets of positioning screws and the two sets of fixed blocks, and the bottom plate is arranged in an L shape.

Preferably, the upper end of the both sides of box inner chamber all is provided with spacing, and the upper surface of box is uncovered setting, the lower surface integrated into one piece of shrouding has the backing plate, and the first spout has all been seted up to the both sides of backing plate.

Preferably, the sealing plate and the box body are connected with the two groups of limiting strips in a sliding mode through two groups of first sliding grooves, and the lengths of the two groups of first sliding grooves are the same as those of the two groups of limiting strips.

Preferably, a circuit board is installed at the bottom of the inner cavity of the box body, a constant-voltage constant-current assembly is installed on the upper surface of the circuit board, and a plurality of groups of heat dissipation plates are arranged above the constant-voltage constant-current assembly.

Preferably, the upper surface of the sealing plate is provided with heat dissipation holes, the second dustproof assembly is arranged right above the heat dissipation holes, and the upper surfaces of the plurality of groups of heat dissipation plates are abutted to the lower surface of the base plate.

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

1. the utility model discloses mainly through radiator fan, first dustproof subassembly, the cooperation between dustproof subassembly of second and the box, through radiator fan to the box in cooling down, the air passes through louvre and ventilation hole introduction box heat dissipation with the external air under radiator fan's effect, can dismantle otter board and dust screen can effectually block the dust and get into the box, reduce the dust to constant voltage constant current subassembly's influence, convenient to detach washs, improves the radiating efficiency, radiator fan's the amount of wind is big simultaneously, the noise is less during the heat dissipation.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the case of the present invention;

FIG. 3 is a schematic view of the bottom plate structure of the present invention;

fig. 4 is the structural diagram of the sealing plate of the present invention.

In the figure: 1. a box body; 2. closing the plate; 21. a base plate; 211. a first chute; 22. heat dissipation holes; 3. a base plate; 4. a first dust-proof assembly; 41. a limiting block; 411. a second chute; 42. a frame; 421. a dust screen; 422. a first bump; 5. a second dust-proof component; 51. positioning blocks; 511. a card slot; 52. the screen plate can be disassembled; 521. a second bump; 6. a protective frame; 7. a heat radiation fan; 8. a heat dissipation plate; 9. a limiting strip; 10. a fixed block; 11. a circuit board; 12. a constant voltage and constant current component; 13. and (5) positioning screws.

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. 1-4, the present invention provides a technical solution: the switch power supply comprises a box body 1, a sealing plate 2 and a bottom plate 3, wherein the sealing plate 2 is in sliding connection with the box body 1, the bottom plate 3 is installed on one side of the box body 1, a plurality of groups of air inlet holes are formed in one side of the bottom plate 3, a first dustproof assembly 4 is installed on one side of the bottom plate 3, a second dustproof assembly 5 is installed on the upper surface of the sealing plate 2, and two groups of cooling fans 7 are installed on one side in the box body 1;

the first dustproof assembly 4 comprises two groups of limiting blocks 41 and a frame 42, a dustproof net 421 is installed in the frame 42, two ends of the frame 42 are respectively connected with the two groups of limiting blocks 41 in a sliding manner, second sliding grooves 411 are respectively formed in opposite sides of the two groups of limiting blocks 41, and a first bump 422 is bonded to one side of the frame 42;

the second dustproof assembly 5 comprises a plurality of groups of positioning blocks 51, clamping grooves 511 are formed in the side walls of the plurality of groups of positioning blocks 51, the plurality of groups of positioning blocks 51 are connected with detachable screen plates 52 in a clamping mode through the clamping grooves 511, and a plurality of groups of second convex blocks 521 are bonded on the upper surfaces of the detachable screen plates 52.

During the use, it is fixed with box 1 with bottom plate 3 through multiunit set screw 13 and fixed block 10, agree with shrouding 2 with two sets of spacing 9 through two sets of first spouts 211 simultaneously, promote shrouding 2 and seal box 1, accomplish the equipment to switching power supply, constant voltage constant current subassembly 12 is when the function, dispel the heat through two sets of heating panels 8, dispel the heat in the casing through two sets of radiator fan 7 simultaneously, and two sets of radiator fan 7 are two ball fans, noise when can reducing the heat dissipation, simultaneously protection frame 6 can prevent that the staff from being by radiator fan 7 fish tail when the function, the dismouting of being convenient for, can dismantle frame 42 and detachable otter board 52 through first lug 422 and second lug 521 after using a period, wash dust screen 421, prevent that the more influence of attached dust ventilates, reduce the radiating efficiency.

The opposite side of box 1 opens and shuts and has two sets of through-holes, and the one end of two sets of through-holes is provided with protection frame 6, and protection frame 6 passes through multiunit fixing bolt fixed connection with radiator fan 7, and two sets of radiator fan 7 are two ball fans, and the dismouting is convenient, has reduced the noise when dispelling the heat through two ball fans, and the rotational speed is higher, and the wind speed is great, and the radiating efficiency is high.

Two sets of fixed blocks 10 have all been welded to the both sides of 1 inner chamber of box, and box 1 and bottom plate 3 pass through multiunit set screw 13 and two sets of fixed block 10 fixed connection, and bottom plate 3 is L shape setting, and 3 dismouting of bottom plate are convenient, the switching power supply's of being convenient for equipment.

The upper end of the both sides of 1 inner chamber of box all is provided with spacing 9, and the upper surface of box 1 is uncovered setting, and the lower surface integrated into one piece of shrouding 2 has backing plate 21, and first spout 211 has all been seted up to the both sides of backing plate 21, and the installation of the shrouding 2 of being convenient for through the first spout 211 of backing plate 21 both sides has been compared in the fixing bolt installation, has improved the installation effectiveness, and convenient to detach maintains.

Shrouding 2 and box 1 are through two sets of first spouts 211 and two sets of spacing 9 sliding connection, and the length of two sets of first spouts 211 is the same with the length of two sets of spacing 9, has improved the stability after the installation of shrouding 2.

The circuit board 11 is installed to 1 inner chamber bottom of box, and the last surface mounting of circuit board 11 has constant voltage constant current subassembly 12, and the top of constant voltage constant current subassembly 12 is provided with multiunit heating panel 8, is convenient for through heating panel 8 to the heat conduction of constant voltage constant current subassembly 12, and the radiator fan 7 ventilation cooling of being convenient for improves the radiating efficiency.

Louvre 22 has been seted up to the upper surface of shrouding 2, and the dustproof subassembly 5 of second is established directly over louvre 22, and the upper surface of multiunit heating panel 8 is inconsistent with the lower surface of backing plate 21, has improved the inside and outside air replacement efficiency of box 1 through louvre 22 and ventilation hole, prevents simultaneously that the dust from getting into the casing, avoids dust influence constant voltage constant current subassembly 12.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (7)

1. Switching power supply, including box (1), shrouding (2) and bottom plate (3), its characterized in that: the sealing plate (2) is connected with the box body (1) in a sliding mode, the bottom plate (3) is installed on one side of the box body (1), multiple groups of air inlet holes are formed in one side of the bottom plate (3), a first dustproof assembly (4) is installed on one side of the bottom plate (3), a second dustproof assembly (5) is installed on the upper surface of the sealing plate (2), and two groups of cooling fans (7) are installed on one side in the box body (1);

the first dustproof assembly (4) comprises two groups of limiting blocks (41) and a frame (42), a dustproof net (421) is installed in the frame (42), two ends of the frame (42) are respectively connected with the two groups of limiting blocks (41) in a sliding mode, second sliding grooves (411) are formed in opposite sides of the two groups of limiting blocks (41), and a first convex block (422) is bonded to one side of the frame (42);

the second dustproof assembly (5) comprises a plurality of groups of positioning blocks (51), clamping grooves (511) are formed in the side walls of the groups of positioning blocks (51), the groups of positioning blocks (51) are connected with detachable screen plates (52) in a clamped mode through the clamping grooves (511), and a plurality of groups of second protruding blocks (521) are bonded on the upper surfaces of the detachable screen plates (52).

2. The switching power supply according to claim 1, wherein: the other side of box (1) opens and shuts and has two sets of through-holes, and the one end of two sets of through-holes is provided with protection frame (6), protection frame (6) pass through multiunit fixing bolt fixed connection with radiator fan (7), and is two sets of radiator fan (7) are two ball fans.

3. The switching power supply according to claim 1, wherein: two sets of fixed blocks (10) are all welded to the both sides of box (1) inner chamber, and box (1) and bottom plate (3) are through multiunit set screw (13) and two sets of fixed block (10) fixed connection, bottom plate (3) are L shape setting.

4. The switching power supply according to claim 1, characterized in that: the upper end of the both sides of box (1) inner chamber all is provided with spacing (9), and the upper surface of box (1) is uncovered setting, the lower surface integrated into one piece of shrouding (2) has backing plate (21), and first spout (211) have all been seted up to the both sides of backing plate (21).

5. The switching power supply according to claim 4, wherein: shrouding (2) and box (1) are through two sets of first spout (211) and two sets of spacing strip (9) sliding connection, and the length of two sets of first spout (211) is the same with the length of two sets of spacing strips (9).

6. The switching power supply according to claim 1, characterized in that: the box body (1) inner chamber bottom installs circuit board (11), and the upper surface mounting of circuit board (11) has constant voltage constant current subassembly (12), and the top of constant voltage constant current subassembly (12) is provided with multiunit heating panel (8).

7. The switching power supply according to claim 6, wherein: the upper surface of shrouding (2) has seted up louvre (22), second dustproof subassembly (5) are established directly over louvre (22), and the upper surface of multiunit heating panel (8) is inconsistent with the lower surface of backing plate (21).

Images