CN208078871U - Switching power supply with new heat sink - Google Patents

Abstract

The utility model discloses a switching power supply who possesses novel radiator, including the switching power supply body, the mounting hole has been seted up to one side of switching power supply body, and slidable mounting has the mounting box in the mounting hole, and one side of mounting box is the opening structure to extend to switching power supply originally internally, fixed mounting has the motor on mounting box one side inner wall is kept away from to the mounting box, and the flabellum has all been welded to motor output shaft's top and bottom, has all seted up one side on the top inner wall of mounting hole and the bottom inner wall and has been the open-ended spout, and the slider has all been welded to the top and the bottom of mounting box. The utility model discloses simple structure, the simple operation utilizes the motor to drive the flabellum and rotates, increases the inside air flow of switching power supply body to carry out the heat exchange with external air, can be quick moreover dismantle the mounting box, the cleanness of being convenient for, it is also more convenient to install, has improved the radiating effect and the radiating efficiency of switching power supply body.

Description

Switching power supply with new heat sink

technical field

The utility model relates to the technical field of switching power supplies, in particular to a switching power supply equipped with a novel radiator.

Background technique

Switching power supply, also known as switching power supply or switching converter, is a high-frequency power conversion device. Switching power supply is a power supply that uses modern power electronics technology to control the time ratio of switching tubes on and off to maintain a stable output voltage. , switching power supply is generally composed of pulse width modulation control IC and MOSFET, switching power supply is widely used in almost all electronic equipment, and is an indispensable power supply method for the rapid development of today's electronic information industry.

When the switching power supply is working normally, heat will be generated inside it. When the heat continues to rise, it will cause the switching power supply to fail to work normally, which will affect the service life of the switching power supply. Most of the existing switching power supplies only have cooling holes. Air heat exchange, radiating heat inside it, and natural cooling, but this heat radiating efficiency is relatively low, and the heat radiating effect is not good, so the utility model proposes a solution to the above problems.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a switching power supply with a novel radiator.

In order to achieve the above object, the utility model adopts the following technical solutions:

A switching power supply with a new type of radiator, including a switching power supply body, one side of the switching power supply body is provided with a mounting hole, and a mounting box is slidably installed in the mounting hole, one side of the mounting box is an open structure, and extends to the switching power supply body Inside, the motor is fixedly installed on the inner wall of the installation box away from the opening of the installation box, the top and bottom of the output shaft of the motor are welded with fan blades, the top inner wall and the bottom inner wall of the installation hole are provided with a chute with an opening on one side, The top and bottom of the installation box are welded with sliders, and the sides of the two sliders away from each other are slid and installed in the two chute respectively;

There are fixing grooves on the inner wall of the side of the two chutes far away from each other, and a block is slidably installed in the fixing groove. One side of the block extends into the chute, and the block is in contact with one side of the slider. The two blocks are provided with threaded grooves on the sides away from each other, and a threaded rod is installed in the threaded grooves. The threaded rods are threadedly connected with the threaded grooves. One end of the threaded rods extends out of the threaded grooves and is welded with a first bevel gear. One side of the fixing groove is provided with a first through hole, and a rotating shaft is installed in the first through hole, and both ends of the rotating shaft extend to the outside of the first through hole. And the second bevel gear meshes with the first bevel gear.

Preferably, a positioning block is welded on the side of the slider away from the clamping block, a positioning slot is opened on the inner wall of one side of the chute, and the positioning block is slidably installed in the positioning slot.

Preferably, both sides of the clamping block are provided with limiting grooves, and limiting blocks are welded on the inner walls of both sides of the fixing groove, and the limiting blocks are slidably installed in the limiting grooves.

Preferably, a support plate is fixedly installed on the inner wall of the fixing groove, and a second through hole is opened on the top of the support plate, and the end of the threaded rod away from the block passes through the second through hole, and the inner wall of the second through hole is fixedly installed with a Bearings, and the bearings are rotatably sleeved on the threaded rods.

Preferably, a plurality of cooling holes are opened on the inner wall of the switching power supply body away from the installation hole, and a plurality of ventilation holes are opened on the inner wall of the installation box away from the opening of the installation box.

Preferably, an annular groove is formed on the inner wall of the first through hole, an annular block is fixedly sleeved on the rotating shaft, and the annular block is rotatably sleeved in the annular groove.

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

In the utility model, through the main body of the switching power supply, the installation hole, the installation box, the motor, the fan blade, the chute, the slider, the fixed groove, the block, the thread groove, the thread rod, the first bevel gear, the first through hole, The rotating shaft cooperates with the second bevel gear, and the fan blade is driven by the motor to rotate, which increases the air flow inside the switching power supply body and exchanges heat with the outside air, and facilitates the disassembly and cleaning of the installation box. A rotating shaft, the rotating shaft drives the second bevel gear to rotate, because the second bevel gear meshes with the first bevel gear, the second bevel gear drives the first bevel gear and the threaded rod to rotate, and the threaded rod is in the thread groove When rotating inside, due to the threaded connection between the threaded rod and the thread groove, the block slides into the fixed groove, and the limit block slides in the limit groove. The installation box can be disassembled from the installation hole. The utility model has simple structure and convenient operation. The fan blade is driven by the motor to rotate, which increases the air flow inside the switch power supply body and exchanges heat with the outside air, and can quickly The installation box is disassembled, which is convenient for cleaning and installation, and improves the heat dissipation effect and heat dissipation efficiency of the switching power supply body.

Description of drawings

Fig. 1 is the sectional structure schematic diagram of the front view of the switching power supply with novel radiator proposed by the utility model;

Fig. 2 is a schematic cross-sectional structure diagram of part A of the switching power supply provided by the utility model with a new radiator.

In the figure: 1 switching power supply body, 2 mounting holes, 3 mounting box, 4 motor, 5 blades, 6 chute, 7 slider, 8 fixing slot, 9 block, 10 threaded groove, 11 threaded rod, 12 first Bevel gear, 13 first through holes, 14 rotating shafts, 15 second bevel gears.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Referring to Figure 1-2, the switching power supply equipped with a new type of radiator includes a switching power supply body 1, a mounting hole 2 is opened on one side of the switching power supply body 1, and a mounting box 3 is slidably installed in the mounting hole 2, and one side of the mounting box 3 It is an open structure and extends into the switching power supply body 1. A motor 4 is fixedly installed on the inner wall of the installation box 3 away from the opening of the installation box 3. The top and bottom of the output shaft of the motor 4 are welded with fan blades 5, and the installation holes 2 A chute 6 with an opening on one side is provided on the top inner wall and the bottom inner wall of the installation box 3, and a slider 7 is welded on the top and bottom of the installation box 3, and the sides of the two sliders 7 that are far away from each other are respectively slidably installed on two sliders. In the groove 6; the inner wall of the side where the two chute 6 are far away from each other is provided with a fixed groove 8, and a block 9 is slidably installed in the fixed groove 8, and one side of the block 9 extends into the chute 6, and the block 9 is in contact with one side of the slider 7, and the side of the two blocks 9 away from each other is provided with a threaded groove 10, and a threaded rod 11 is rotated in the threaded groove 10, and the threaded rod 11 is threadedly connected with the threaded groove 10, and the threaded One end of the rod 11 extends to the outside of the threaded groove 10, and is welded with a first bevel gear 12. One side of the fixed groove 8 is provided with a first through hole 13, and a rotating shaft 14 is installed in the first through hole 13 for rotation. Both ends extend to the outside of the first through hole 13, and one end of the rotating shaft 14 located in the fixed groove 8 is welded with a second bevel gear 15, and the second bevel gear 15 is meshed with the first bevel gear 12, and through the switching power supply Body 1, installation hole 2, installation box 3, motor 4, fan blade 5, chute 6, slider 7, fixing groove 8, block 9, thread groove 10, thread rod 11, first bevel gear 12, second A through hole 13, a rotating shaft 14 and a second bevel gear 15 cooperate, and the motor 4 is used to drive the fan blade 5 to rotate, thereby increasing the air flow inside the switching power supply body 1, and exchanging heat with the outside air, and is convenient for installation The box 3 is disassembled and cleaned, and the two rotating shafts 14 are rotated clockwise in turn. The rotating shaft 14 drives the second bevel gear 15 to rotate. Since the second bevel gear 15 meshes with the first bevel gear 12, the second bevel gear 15 Drive the first bevel gear 12 and the threaded rod 11 to rotate, and when the threaded rod 11 rotates in the threaded groove 10, because the threaded rod 11 is threadedly connected with the threaded groove 10, the clamping block 9 slides in the fixed groove 8, and the limit block Slide in the limit groove, when the block 9 is no longer in contact with the slider 7, stop rotating the shaft 14, at this time the installation box 3 can be disassembled from the installation hole 2, the utility model is simple in structure, easy to operate, The fan blade 5 is driven by the motor 4 to rotate, increasing the air flow inside the switching power supply body 1, and exchanging heat with the outside air, and the installation box 3 can be quickly disassembled, which is convenient for cleaning and installation, and improves the The heat dissipation effect and heat dissipation efficiency of the switching power supply body 1.

In the utility model, a positioning block is welded on the side of the slider 7 away from the clamping block 9, a positioning groove is provided on the inner wall of one side of the chute 6, and the positioning block is slidably installed in the positioning groove, and both sides of the clamping block 9 are A limit slot is provided, a limit block is welded on both sides of the fixed groove 8, and the limit block is slidably installed in the limit groove, a support plate is fixedly installed on the inwall of the fix groove 8, and a second support plate is provided on the top of the support plate. Two through holes, the end of the threaded rod 11 away from the block 9 runs through the second through hole, the inner wall of the second through hole is fixedly installed with a bearing, and the bearing is rotatably sleeved on the threaded rod 11, and the switching power supply body 1 is far away from the installation hole 2 A plurality of heat dissipation holes are provided on the inner wall of one side of the installation box 3, and a plurality of ventilation holes are provided on the inner wall of the side of the installation box 3 away from the opening of the installation box 3, and an annular groove is provided on the inner wall of the first through hole 13, and the rotating shaft 14 is fixed A ring-shaped block is set, and the ring-shaped block is rotatably set in the ring-shaped groove, through the switching power supply body 1, the installation hole 2, the installation box 3, the motor 4, the fan blade 5, the chute 6, the slider 7, fixed The groove 8, the block 9, the threaded groove 10, the threaded rod 11, the first bevel gear 12, the first through hole 13, the rotating shaft 14 and the second bevel gear 15 cooperate to drive the fan blade 5 to rotate by the motor 4, Increase the air flow inside the switching power supply body 1, and perform heat exchange with the outside air, and facilitate the dismantling and cleaning of the installation box 3, turn the two rotating shafts 14 clockwise in turn, and the rotating shaft 14 drives the second bevel gear 15 to rotate, Because the second bevel gear 15 meshes with the first bevel gear 12, the second bevel gear 15 drives the first bevel gear 12 and the threaded rod 11 to rotate, and when the threaded rod 11 rotates in the thread groove 10, due to Threaded rod 11 is threadedly connected with threaded groove 10, and block 9 slides in fixed groove 8, and limit block slides in limit groove, and when block 9 no longer contacts with slide block 7, stops rotating shaft 14, at this moment The installation box 3 can be disassembled from the installation hole 2. The utility model has simple structure and convenient operation. The motor 4 is used to drive the fan blade 5 to rotate, so as to increase the air flow inside the switching power supply body 1 and conduct heat with the outside air. exchange, and the installation box 3 can be quickly disassembled, which is convenient for cleaning and installation, and improves the heat dissipation effect and heat dissipation efficiency of the switching power supply body 1 .

Working principle: In actual use, when the switching power supply body 1 is working, the starting motor 4 drives the fan blade 5 to rotate, and the rotation of the fan blade 5 generates air convection, which rapidly increases the air flow inside the switching power supply body 1, and passes through the cooling holes and ventilation holes, allowing the outside air and the air inside the switching power supply body 1 to circulate for heat exchange, so that the inside of the switching power supply body 1 can be cooled quickly. After a long period of use, the ventilation holes and fan blades 5 on the installation box 3 A lot of dust will accumulate on the surface, which will affect the heat dissipation effect. It is necessary to disassemble and clean the installation box 3 and the fan blade 5. The bevel gear 15 rotates, and because the second bevel gear 15 and the first bevel gear 12 mesh with each other, the second bevel gear 15 drives the first bevel gear 12 and the threaded rod 11 to rotate, and the threaded rod 11 is in the thread groove When rotating in 10, because threaded rod 11 is threadedly connected with thread groove 10, clamp block 9 slides in fixed groove 8, and limit block slides in limit groove, when clamp block 9 no longer contacts slide block 7, Stop rotating the rotating shaft 14, then the installation box 3 can be disassembled from the installation hole 2, which is convenient for cleaning the installation box 3 and the fan blade 5. When reinstalling the cleaned installation box 3, first put the installation box 3 into the installation hole 2, the installation box 3 drives the two sliders 7 to slide into the two chute 6 respectively, the slider 7 drives the positioning block to slide into the positioning groove, and then rotates the two rotating shafts 14 counterclockwise in turn, the rotating shaft 14 drives the second bevel gear 15 to rotate, and the second bevel gear 15 drives the first bevel gear 12 and the threaded rod 11 to rotate. Sliding outside, the limit block slides in the limit groove, when the block 9 slides out of the fixed groove 8, stop rotating the rotating shaft 14, the block 9 contacts with the slide block 7, and the block 9 blocks the slide block 7 in the slide In the slot 6, the slider 7 is fixed, so that the installation box 3 is fixed in the installation hole 2.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. Any equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (6)

1. A switching power supply with a new radiator, including a switching power supply body (1), characterized in that a mounting hole (2) is provided on one side of the switching power supply body (1), and a mounting hole (2) is slidably installed in the mounting hole (2). The installation box (3), one side of the installation box (3) is an opening structure, and extends into the switching power supply body (1), and the inner wall of the installation box (3) away from the opening of the installation box (3) is fixed with a motor (4), the top and bottom of the output shaft of the motor (4) are welded with fan blades (5), the top inner wall and the bottom inner wall of the mounting hole (2) are provided with a chute (6) with an opening on one side, and the installation box The top and bottom of (3) are welded with sliders (7), and the sides of the two sliders (7) away from each other are slidably installed in the two slide grooves (6); A fixed groove (8) is provided on the inner wall of the two chutes (6) on the side far away from each other, and a block (9) is slidably installed in the fixed groove (8), and one side of the block (9) extends to the chute (6), and the clamping block (9) is in contact with one side of the slider (7), and the side of the two clamping blocks (9) away from each other is provided with a thread groove (10), and the thread groove (10) A threaded rod (11) is installed for rotation, and the threaded rod (11) is threadedly connected with the threaded groove (10), and one end of the threaded rod (11) extends outside the threaded groove (10), and is welded with a first bevel gear (12) , one side of the fixing groove (8) is provided with a first through hole (13), and a rotating shaft (14) is installed in the first through hole (13), and the two ends of the rotating shaft (14) all extend to the first through hole ( 13) Outside, the rotating shaft (14) is welded with a second bevel gear (15) at one end in the fixed groove (8), and the second bevel gear (15) is meshed with the first bevel gear (12). 2. The switching power supply with novel radiator according to claim 1, characterized in that, the side of the slide block (7) away from the clamping block (9) is welded with a positioning block, and the side of the chute (6) A positioning groove is opened on the inner wall, and the positioning block is slidably installed in the positioning groove. 3. The switching power supply with novel radiator according to claim 1, characterized in that, both sides of the block (9) are provided with limiting slots, and the inner walls of both sides of the fixing slot (8) are welded with limited slots. Position block, and the limit block is slidably installed in the limit slot. 4. The switching power supply with novel radiator according to claim 1, characterized in that, a support plate is fixedly installed on the inner wall of the fixed groove (8), the top of the support plate is provided with a second through hole, and the threaded rod (11) The end away from the clamping block (9) passes through the second through hole, the inner wall of the second through hole is fixedly equipped with a bearing, and the bearing is rotatably sleeved on the threaded rod (11). 5. The switching power supply with novel radiator according to claim 1, characterized in that, the switching power supply body (1) is provided with a plurality of cooling holes on the side inner wall away from the mounting hole (2), and the mounting box ( 3) A plurality of ventilation holes are opened on the inner wall of the side away from the opening of the installation box (3). 6. The switching power supply equipped with a novel radiator according to claim 1, characterized in that, an annular groove is provided on the inner wall of the first through hole (13), and an annular groove is fixedly sleeved on the rotating shaft (14). block, and the ring block is rotatably set in the ring groove.