CN215379452U

CN215379452U - Waterproof switch power supply with built-in dustproof and anti-vibration structure

Info

Publication number: CN215379452U
Application number: CN202121455939.9U
Authority: CN
Inventors: 代俊锋
Original assignee: Shenzhen Dianshi Electric Technology Co ltd
Current assignee: Shenzhen Dianshi Electric Technology Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-31
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses a waterproof switch power supply with a built-in dustproof and anti-vibration structure, which comprises a shell and four groups of damping mechanisms arranged in the shell, wherein each damping mechanism comprises a sleeve, the periphery of each sleeve is connected to the inner wall of a fixing ring through a second spring, each damping mechanism also comprises a support column and a first spring fixedly connected to the top of the support column, the upper and lower vibration of a circuit board contacting the ground when the circuit board falls can be fully absorbed through the arranged first springs and anti-vibration foam balls, when the side face of the switch power supply contacts the ground and falls, the circuit board is drawn to impact on a plane by inertia, the toughness of a glass fiber rod is good, the circuit board moves on the plane and can be buffered by the four groups of second springs under the action of a ball and the action of the glass fiber rod, the damping is carried out on the plane and in the upper and lower directions, and the protection effect is good.

Description

Waterproof switch power supply with built-in dustproof and anti-vibration structure

Technical Field

The utility model relates to the technical field of switching power supplies, in particular to a waterproof switching power supply with a built-in dustproof and anti-vibration structure.

Background

A switching power supply, also called switching power supply, switching converter, is a high-frequency power conversion device, which is a kind of power supply, and its function is to convert a level voltage into a voltage or a current required by a user terminal through different types of architectures, the input of the switching power supply is mostly an ac power supply (such as 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 the voltage and current conversion between the two.

The traditional switching power supply is characterized in that a circuit is arranged in a metal or plastic shell, the shock resistance of the switching power supply is insufficient, an internal circuit board is easy to damage when the switching power supply falls from a high place, and due to the fact that the internal circuit board can generate heat, air holes can be formed in the shell, and water and dust can enter the shell easily.

In order to solve the problems, the existing device is improved, and a waterproof switch power supply with a built-in dustproof and anti-vibration structure is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a waterproof switch power supply with a built-in dustproof and anti-vibration structure, which is operated by adopting the device, so that the problems of insufficient shock resistance of the switch power supply and easiness in water and dust inflow in the background are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a waterproof type switching power supply of built-in dustproof antivibration structure, includes the casing and sets up the damper in the casing inside, damper is provided with four groups, and damper includes the sleeve, and telescopic is all around through second spring coupling on the inner wall of retainer plate, and damper still includes pillar and the first spring of fixed connection at the pillar top.

Further, the retainer plate respectively with four angles fixed connection of shells inner wall, the material of casing is the aluminum alloy, the top gomphosis of casing has the upper cover, the equal fixedly connected with ball in bottom of pillar, and the ball all rotates to be connected on the bottom inner wall of casing.

Furthermore, glass fiber rods are uniformly distributed at the tops of the pillars, the glass fiber rods are connected to the mounting plate in a sliding mode, and the top of the mounting plate is in threaded connection with a circuit board.

Furthermore, the top of the glass fiber rod is fixedly connected with a top plate, a shockproof foam ball is arranged between the top plate and the mounting plate, and the other end of the first spring is fixedly connected with the bottom of the mounting plate.

Furthermore, both ends of the circuit board are fixedly connected with wires respectively, and the wires penetrate through the shell and extend outwards.

Furthermore, all be provided with the radiating groove around the casing, the inside evenly distributed of radiating groove has the water conservancy diversion piece, and the angle of inclination of water conservancy diversion piece is greater than 20, equal fixedly connected with baffle around the water conservancy diversion piece, the equal fixedly connected with baffle of opposite side top opposite side of water conservancy diversion piece.

Further, the equal fixedly connected with dust screen in inboard of water conservancy diversion piece, the equal fixedly connected with radiator fan in inboard of the dust screen of the inside left and right sides of casing.

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

1. according to the waterproof switch power supply with the built-in dustproof and anti-vibration structure, the first springs and the anti-vibration foam balls can fully absorb the vertical vibration of the circuit board when the circuit board contacts the ground when the circuit board falls off, when the side face of the switch power supply contacts the ground and the circuit board falls off, the circuit board is drawn to impact on a plane by inertia, the glass fiber rods are good in toughness, the circuit board moves on the plane and can be buffered by the four groups of second springs under the action of the balls and the action of the glass fiber rods, the shock absorption is carried out on the plane and in the vertical direction, and the protection effect is good.

2. According to the waterproof switch power supply with the built-in dustproof and anti-vibration structure, the flow deflector has a certain inclination angle, water can be effectively prevented from entering the shell by arranging the flow deflector, the baffle and the partition plate, meanwhile, the partition plate can also resist a part of dust, the dust can be effectively isolated outside the dustproof net by the dustproof net, and finally, the heat is dissipated by the cooling fan, so that the waterproof and dustproof effects are realized, and meanwhile, the air permeability is ensured.

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 housing of the present invention;

FIG. 3 is an exploded view of the shock absorbing mechanism structure of the present invention;

fig. 4 is an exploded view of the structure of the guide vane and the cooling fan of the present invention.

In the figure: 1. a housing; 11. an upper cover; 12. a circuit board; 13. mounting a plate; 14. a heat sink; 141. a flow deflector; 1411. a partition plate; 142. a baffle plate; 143. a dust screen; 144. a heat radiation fan; 15. a wire; 2. a damping mechanism; 21. a pillar; 211. a fiberglass rod; 212. a top plate; 213. a shock-absorbing foam ball; 214. a ball; 22. a first spring; 211. a fiberglass rod; 212. a top plate; 213. a shock-absorbing foam ball; 23. a sleeve; 231. a second spring; 232. and a fixing ring.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a waterproof switch power supply with a built-in dustproof and anti-vibration structure comprises a housing 1 and four damping mechanisms 2 arranged inside the housing 1, wherein the damping mechanisms 2 are four groups, each damping mechanism 2 comprises a sleeve 23, the periphery of each sleeve 23 is connected to the inner wall of a fixing ring 232 through a second spring 231, each damping mechanism 2 further comprises a strut 21 and a first spring 22 fixedly connected to the top of each strut 21, the fixing rings 232 are respectively and fixedly connected with the four corners of the inner wall of the housing 1, the housing 1 is made of aluminum alloy, an upper cover 11 is embedded on the top of the housing 1, round balls 214 are fixedly connected to the bottom of each strut 21, the round balls 214 are rotatably connected to the inner wall of the bottom of the housing 1, glass fiber rods 211 are uniformly distributed on the top of each strut 21, the glass fiber rods 211 are slidably connected to a mounting plate 13, and a circuit board 12 is connected to the top of the mounting plate 13 through threads, the top fixedly connected with roof 212 of glass fiber pole 211, all be provided with shockproof foam ball 213 between roof 212 and the mounting panel 13, first spring 22 and shockproof foam ball 213 can be with circuit board 12 the upper and lower vibration when falling contact ground fully absorb, the other end of first spring 22 and the bottom fixed connection of mounting panel 13, the both ends of circuit board 12 fixedly connected with wire 15 respectively, and wire 15 runs through casing 1 and outwards extends.

Referring to fig. 1 and 4, heat dissipation grooves 14 are formed around a housing 1, flow deflectors 141 are uniformly distributed in the heat dissipation grooves 14, the inclination angle of each flow deflector 141 is greater than 20 °, baffles 142 are fixedly connected to the front and the rear of each flow deflector 141, a partition 1411 is fixedly connected to the other side of the top of the other side of each flow deflector 141, dust screens 143 are fixedly connected to the inner sides of the flow deflectors 141, heat dissipation fans 144 are fixedly connected to the inner sides of the dust screens 143 on the left and the right sides of the interior of the housing 1, dust can be effectively isolated outside the dust screens 143 through the dust screens 143, and finally heat is dissipated through the heat dissipation fans 144, so that water and dust prevention are achieved, and air permeability is guaranteed.

The working principle is as follows: the first spring 22 and the anti-vibration foam balls 213 are arranged to sufficiently absorb the up and down vibration of the circuit board 12 when contacting the ground when falling, when the side surface of the switching power supply contacts the ground and falls, the circuit board 12 is drawn to impact on the plane by inertia, the glass fiber rod 211 has good toughness, under the action of the spherical balls 214 and the action of the fiberglass rods 211, the circuit board 12 performs a planar movement and may be buffered by four sets of second springs 231, the shock absorption is carried out on the plane and in the up-and-down direction, the protection effect is good, as the guide vanes 141 have a certain inclination angle, by arranging the baffle 141, the baffle 142 and the partition 1411, water can be effectively prevented from entering the inside of the housing 1, meanwhile, the partition 1411 can also resist a part of dust, the dust can be effectively isolated outside the dust screen 143 through the dust screen 143, and finally heat is dissipated through the heat dissipation fan 144, so that water and dust are prevented, and air permeability is guaranteed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a waterproof type switching power supply of built-in dustproof antivibration structure, includes casing (1) and sets up damper (2) inside casing (1), its characterized in that: damper (2) are provided with four groups, and damper (2) include sleeve (23), and connect on the inner wall of retainer plate (232) through second spring (231) around sleeve (23), and damper (2) still include pillar (21) and fixed connection first spring (22) at pillar (21) top.

2. The waterproof switching power supply with a built-in dustproof and anti-vibration structure according to claim 1, characterized in that: retainer plate (232) respectively with four angles fixed connection of casing (1) inner wall, the material of casing (1) is the aluminum alloy, and the top gomphosis of casing (1) has upper cover (11), the equal fixedly connected with ball (214) in bottom of pillar (21), and ball (214) all rotate to be connected on the bottom inner wall of casing (1).

3. The waterproof switching power supply with a built-in dustproof and anti-vibration structure according to claim 1, characterized in that: the top evenly distributed of pillar (21) has glass fiber pole (211), and glass fiber pole (211) sliding connection is on mounting panel (13), and the top threaded connection of mounting panel (13) has circuit board (12).

4. The waterproof switching power supply with a built-in dustproof and anti-vibration structure according to claim 3, wherein: the top of the glass fiber rod (211) is fixedly connected with a top plate (212), shockproof foam balls (213) are arranged between the top plate (212) and the mounting plate (13), and the other end of the first spring (22) is fixedly connected with the bottom of the mounting plate (13).

5. The waterproof switching power supply with a built-in dustproof and anti-vibration structure according to claim 3, wherein: the two ends of the circuit board (12) are respectively and fixedly connected with a lead (15), and the lead (15) penetrates through the shell (1) and extends outwards.

6. The waterproof switching power supply with a built-in dustproof and anti-vibration structure according to claim 1, characterized in that: all be provided with radiating groove (14) around casing (1), the inside evenly distributed of radiating groove (14) has water conservancy diversion piece (141), and the angle of inclination of water conservancy diversion piece (141) is greater than 20, and equal fixedly connected with baffle (142) around water conservancy diversion piece (141), equal fixedly connected with baffle (1411) of opposite side top opposite side of water conservancy diversion piece (141).

7. The waterproof switching power supply with a built-in dustproof and anti-vibration structure according to claim 6, wherein: the inner sides of the guide vanes (141) are fixedly connected with dust screens (143), and the inner sides of the dust screens (143) on the left side and the right side inside the shell (1) are fixedly connected with cooling fans (144).