CN213990470U

CN213990470U - Dustproof protection device for switching power supply

Info

Publication number: CN213990470U
Application number: CN202022016463.0U
Authority: CN
Inventors: 林岳角
Original assignee: Xi'an Qiushi Electronic Technology Co ltd
Current assignee: Xi'an Qiushi Electronic Technology Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-08-17
Anticipated expiration: 2030-09-15

Abstract

The utility model provides a switching power supply is with dustproof protection device, including outer box and control switch, the right side top fixed mounting of outer box has control switch, the inside top fixed mounting of outer box has the draught fan, the upper left side of outer box and the equal vertical inserting in right side below are equipped with the rose box, the equal vertical fixed mounting in one side that the rose box is close to outer box middle part has the filter screen, the bottom of rose box all imbeds and is provided with the collecting box, one side that outer box middle part was kept away from to the rose box all rotates and is connected with the stainless steel and hinders the sideboard, the equal fixed mounting in one side that outer box middle part was kept away from to the rose box has the magnetic seal piece, the equal fixed mounting in bottom of outer box has the support column, the equal fixed mounting in the bottom outside of outer box has outer supporting leg, the equal fixed mounting in left side below and the right side below of outer box has the air discharge plate. The utility model discloses possess good sealed dustproof and radiating effect, can prevent effectively that the dust from getting into inside the device, further extension switching power supply's life.

Description

Dustproof protection device for switching power supply

Technical Field

The utility model relates to a switching power supply technical field especially relates to a switching power supply is with dustproof protection device.

Background

A switch mode power supply, also called a switching power supply, a switching converter, is a high frequency power conversion device, which is a kind of power supply. The function is to convert a level voltage into a voltage or current required by the user terminal through different types of architectures. The input of the switching power supply is mostly an ac power supply (e.g., commercial power) or a dc power supply, and the output is mostly equipment requiring a dc power supply, such as a personal computer, and the switching power supply performs voltage and current conversion between the two. Switch power supply type on the market is various, and most switch power supply can produce a large amount of heats when using, but current protection device heat dispersion and dustproof performance for switch power supply are less strong, can't carry out effective and quick heat dissipation and dustproof processing to switch power supply for switch power supply's life reduces.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art, and provides a dustproof protection device for a switching power supply.

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

a dustproof protection device for a switching power supply comprises an outer box body and a control switch, wherein the control switch is fixedly mounted above the right side of the outer box body, an induced draft fan is fixedly mounted above the inner part of the outer box body, filter boxes are vertically inserted into the upper left side and the lower right side of the outer box body, a filter screen is vertically and fixedly mounted on one side, close to the middle part of the outer box body, of each filter box, a collecting box is embedded into the bottom end of each filter box, one side, far away from the middle part of the outer box body, of each filter box is rotatably connected with a stainless steel blocking plate, a magnetic sealing block is fixedly mounted on one side, far away from the middle part of the outer box body, supporting columns are fixedly mounted at the bottom end of the outer box body, outer supporting legs are fixedly mounted at the outer side of the bottom end of the outer box body, exhaust plates are fixedly mounted at the lower left side and the lower right side of the outer box body, extension grooves are formed in openings in the inner bottom ends of the exhaust plates, the spring is fixedly connected inside the extending groove, the sealing plate is inserted into the bottom of the extending groove, and the embedded plate is fixedly mounted in the middle of the upper portion of the sealing plate.

Preferably, the vertical trompil in bottom of heating panel is provided with the exhaust hole, the middle part of heating panel and the middle part of draught fan all are in on the same vertical horizontal plane.

Preferably, the upper left side and the upper right side of the interior of the outer box body are provided with air inlet channels in an opening mode, and the filter box is embedded into the air inlet channels.

Preferably, the middle parts of the stainless steel blocking plate and the filter screen are on the same horizontal plane, and the collecting box is arranged below the space between the stainless steel blocking plate and the filter screen.

Preferably, the stainless steel blocking plate rotates up and down for 90 degrees in the air inlet groove in the filter box, and the magnetic sealing block is tightly attached to the outer wall of the bottom end of the stainless steel blocking plate.

Preferably, the sealing plate slides up and down in the extension groove of the exhaust plate in the horizontal direction, and the nesting plate of the sealing plate is just embedded in the inner bottom end of the exhaust plate when the spring in the extension groove is in the initial uncompressed state.

Preferably, the induced draft fan is independently electrically connected with an external power supply through a control switch.

Has the advantages that:

1. this kind of dustproof protection device for switching power supply is through being provided with the rose box, make when the draught fan dispels the heat to switching power supply, outside air current can pass the rose box, the stainless steel that promotes the rose box hinders the sideboard and opens the back, the filtration dust removal through the filter screen blows to switching power supply again, remove dust to the air current in the access device, and the draught fan is when closing, the stainless steel hinders the sideboard and can resume the normal position, hug closely the magnetism seal block, seal the air inlet duct in the rose box outside, avoid the dust to pass inside the rose box access device, the dustproof sealing effect is better.

2. This kind of switching power supply is with dustproof protection device is through being provided with the closing plate for when the draught fan produced the air current and dispel the heat in the inside to the air discharge plate, the air current is discharged from the air discharge plate, promote the closing plate and move down and extrude the spring compression, make the bottom of air discharge plate open the exhaust, and the draught fan is closing, the nested board of spring recovery normal position pulling closing plate seals the air discharge plate, inside avoiding the dust to pass the air discharge plate admission gear, the dustproof sealing effect is better.

3. This kind of switching power supply is with dustproof protection device is through being provided with the heating panel, because the vertical trompil in bottom of heating panel is provided with the exhaust hole for air current that produces when the draught fan enters into to the inside back of heating panel, can discharge in the exhaust hole, blows to each face in the device, and the radiating effect is better, can effectively avoid overheated and damage in the switching power supply use.

Drawings

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

FIG. 2 is a schematic sectional view of a partial structure of a filter box according to the present invention;

FIG. 3 is a schematic view of a partial structure of a middle sealing plate according to the present invention;

fig. 4 is an enlarged schematic structural diagram of fig. 1A of the present invention.

Illustration of the drawings:

the method comprises the following steps of 1-an outer box body, 2-a control switch, 3-an induced draft fan, 301-a heat dissipation plate, 4-a filter box, 401-a filter screen, 5-a collection box, 501-a stainless steel barrier plate, 502-a magnetic sealing block, 6-support columns, 601-outer support legs, 7-an exhaust plate, 701-an extension groove, 8-a spring, 9-a sealing plate and 10-a nesting 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, a dustproof protection device for a switching power supply comprises an outer box 1 and a control switch 2, wherein the control switch 2 is fixedly installed above the right side of the outer box 1, an induced draft fan 3 is fixedly installed above the inside of the outer box 1, filter boxes 4 are vertically inserted above the left side and below the right side of the outer box 1, a filter screen 401 is vertically and fixedly installed on one side of each filter box 4 close to the middle of the outer box 1, a collection box 5 is embedded into the bottom end of each filter box 4, a stainless steel baffle plate 501 is rotatably connected to one side of each filter box 4 far from the middle of the outer box 1, a magnetic sealing block 502 is fixedly installed on one side of each filter box 4 far from the middle of the outer box 1, support columns 6 are fixedly installed on the bottom end of the outer box 1, outer support legs 601 are fixedly installed on the outer side of the bottom end of the outer box 1, exhaust plates 7 are fixedly installed on the left lower side and the right lower side of the outer box 1, all the openings of the bottom end in the exhaust plate 7 are provided with extension grooves 701, springs 8 are fixedly connected to the interior of the extension grooves 701, sealing plates 9 are inserted into the bottoms of the extension grooves 701, and embedded plates 10 are fixedly mounted in the middle of the upper portions of the sealing plates 9.

In this embodiment, the vertical trompil in bottom of heating panel 301 is provided with the exhaust hole, and the middle part of heating panel 301 and the middle part of draught fan 3 all are in same vertical horizontal plane for air current that draught fan 3 produced gets into to the inside back of heating panel 301, can follow and discharge in the exhaust hole, blows to each face in the device, and the radiating effect is better, can effectively avoid overheated and damage in the switching power supply use.

In this embodiment, the equal opening in the upper left side and the upper right side of outer box 1 inside is provided with inlet channel, and the 4 imbeds of rose box and is provided with in the inlet channel for the air current in the entering device can be through the filtration of 401 of filter screen in the rose box 4, and dust and impurity in the detached flow are dust proof performance better.

In this embodiment, the middle of the stainless steel baffle plate 501 and the middle of the filter screen 401 are both located on the same horizontal plane, and the collection box 5 is disposed below the stainless steel baffle plate 501 and the filter screen 401, so that the dust and impurities filtered out by the filter screen 401 can fall into the collection box 5 for storage.

In this embodiment, the stainless steel blocking plate 501 rotates 90 degrees from top to bottom in the air inlet duct inside the filter box 4, the magnetic sealing block 502 is tightly attached to the outer wall of the bottom end of the stainless steel blocking plate 501, when the induced draft fan 3 dissipates heat to the switching power supply in the device, the external air flow can pass through the filter box 4, the stainless steel blocking plate 501 pushing the filter box 4 is opened, the stainless steel blocking plate is dedusted by the filter screen 401 and then blown to the switching power supply, the air flow entering the device is dedusted, when the induced draft fan 3 is closed, the stainless steel blocking plate 501 can recover to the original position, the magnetic sealing block 502 is tightly attached, the air inlet duct outside the filter box 4 is sealed, the dust is prevented from passing through the filter box 4 and entering the device, and the dustproof sealing effect is better.

In this embodiment, the sealing plate 9 is horizontal direction and slides from top to bottom in the extending groove 701 of exhaust plate 7, when the spring 8 in the extending groove 701 is in initial uncompressed state, nested board 10 of sealing plate 9 just imbeds in the inside bottom of exhaust plate 7, the air current is discharged from exhaust plate 7, promote sealing plate 9 and move down and extrude the compression of spring 8, make the bottom of exhaust 7 board open the exhaust, and draught fan 3 is closing, spring 8 resumes the nested board 10 of normal position pulling sealing plate 9 and seals exhaust plate 7, avoid the dust to pass inside exhaust plate 7 access to equipment, the dustproof sealing effect is better.

In this embodiment, draught fan 3 is through independent electric connection between control switch 2 and the external power source for draught fan 3 is opened to accessible control switch 2, lets draught fan 3 dispel the heat to the switch power supply.

The working principle is as follows: when the induced draft fan 3 dissipates heat of the switching power supply in the device, external air flow can pass through the filter box 4, the stainless steel blocking plate 501 of the filter box 4 is pushed to be opened, the stainless steel blocking plate is filtered and dedusted by the filter screen 401 and then blown to the switching power supply to dedust the air flow entering the device, when the induced draft fan 3 is closed, the stainless steel blocking plate 501 can be restored to the original position and is tightly attached to the magnetic sealing block 502 to seal an air inlet groove at the outer side of the filter box 4, dust is prevented from passing through the filter box 4 to enter the device, the dustproof sealing effect is better, the air flow is blown to each surface in the device after entering the interior of the heat dissipation plate 301, then the air flow is discharged from the exhaust plate 7, the sealing plate 9 is pushed to move downwards and is compressed by the compression spring 8, so that the bottom end of the exhaust plate 7 is opened for exhaust, when the induced draft fan 3 is closed, the spring 8 is restored to pull the nested plate 10 of the sealing plate 9 to seal the exhaust plate 7, the dust is prevented from passing through the exhaust plate 7 and entering the device, and the dustproof sealing effect is better.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a switching power supply is with dustproof protection device, includes outer box (1) and control switch (2), the right side top fixed mounting of outer box (1) has control switch (2), its characterized in that: the inner upper part of the outer box body (1) is fixedly provided with a draught fan (3), the upper left part and the lower right part of the outer box body (1) are vertically inserted with filter boxes (4), one side of each filter box (4) close to the middle part of the outer box body (1) is vertically and fixedly provided with a filter screen (401), the bottom of each filter box (4) is embedded with a collecting box (5), one side of each filter box (4) far away from the middle part of the outer box body (1) is rotatably connected with a stainless steel blocking plate (501), one side of each filter box (4) far away from the middle part of the outer box body (1) is fixedly provided with a magnetic sealing block (502), the bottom of the outer box body (1) is fixedly provided with supporting columns (6), the bottom of the outer box body (1) is fixedly provided with outer supporting legs (601), and the left side and lower right side of the outer box body (1) are fixedly provided with an exhaust plate (7), the exhaust plate is characterized in that extension grooves (701) are formed in the bottom ends of the inner portions of the exhaust plate (7), springs (8) are fixedly connected to the inner portions of the extension grooves (701), sealing plates (9) are inserted into the bottoms of the extension grooves (701), and embedded plates (10) are fixedly mounted in the middle of the upper portions of the sealing plates (9).

2. The switching power supply dust-proof protection device according to claim 1, wherein: the air inlet channel is arranged at the upper left side and the upper right side of the interior of the outer box body (1), and the filter box (4) is embedded into the air inlet channel.

3. The switching power supply dust-proof protection device according to claim 1, wherein: the middle parts of the stainless steel blocking plate (501) and the filter screen (401) are positioned on the same horizontal plane, and the collecting box (5) is arranged below the space between the stainless steel blocking plate (501) and the filter screen (401).

4. The switching power supply dust-proof protection device according to claim 1, wherein: the stainless steel blocking plate (501) rotates up and down for 90 degrees in the air inlet groove in the filter box (4), and the magnetic sealing block (502) is tightly attached to the outer wall of the bottom end of the stainless steel blocking plate (501).

5. The switching power supply dust-proof protection device according to claim 1, wherein: the sealing plate (9) slides up and down in the horizontal direction in an extending groove (701) of the exhaust plate (7), and when a spring (8) in the extending groove (701) is in an initial uncompressed state, a nested plate (10) of the sealing plate (9) is just embedded into the inner bottom end of the exhaust plate (7).

6. The switching power supply dust-proof protection device according to claim 1, wherein: the draught fan (3) is electrically connected with an external power supply independently through the control switch (2).