CN213662284U

CN213662284U - Heat radiation structure for switching power supply capable of being quickly disassembled and assembled

Info

Publication number: CN213662284U
Application number: CN202022997323.6U
Authority: CN
Inventors: 王强生
Original assignee: W&t Electronics Co ltd
Current assignee: W&t Electronics Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-07-09
Anticipated expiration: 2030-12-14

Abstract

The utility model discloses a but be used for switching power supply quick assembly disassembly's heat radiation structure, which comprises a housing, the inside fixed mounting of casing has the circuit board, the standing groove has been seted up at the top of casing, the heating panel has been placed to the inside of standing groove, the bottom fixed mounting of heating panel has the heat-conducting plate, the bottom fixed mounting of heat-conducting plate has a plurality of fin, the bottom fixed mounting of fin has the conducting strip, the circuit board is inconsistent with the conducting strip, the mounting groove has been seted up at the top of casing, the inner wall of mounting groove is pegged graft and is had the inserted bar, the one end fixed mounting of inserted bar has the fixed block, the outside cover of inserted bar is equipped with extension spring, extension spring's one end and the. The utility model relates to a switching power supply technical field, simple structure, the practicality is strong, has solved the difficult quick assembly disassembly of current switching power supply's heat radiation structure, is not convenient for clear up the problem that the last dust of heat radiation structure influences the radiating effect.

Description

Heat radiation structure for switching power supply capable of being quickly disassembled and assembled

Technical Field

The utility model relates to a switching power supply technical field especially relates to a but, heat radiation structure for switching power supply quick assembly disassembly.

Background

A Switching Mode Power Supply (SMPS), also called as a switching Power Supply (SMPS), is a high-frequency Power conversion device, and is a kind of Power Supply, and functions to convert a voltage with one level into a voltage or a current required by a user terminal through different types of architectures, an input of the switching Power Supply is mostly an ac Power Supply (e.g., a commercial Power) or a dc Power Supply, and an output of the switching Power Supply is mostly a device requiring the dc Power Supply, such as a personal computer, and the switching Power Supply performs voltage and current conversion between the two devices.

When the switching power supply is used for a long time, the circuit board inside the switching power supply is easy to generate heat and is damaged, and normal use of the switching power supply is influenced, however, the heat dissipation structure of the existing switching power supply is not easy to assemble and disassemble, dust on the heat dissipation structure is not convenient to clean, and the heat dissipation effect is influenced.

Therefore, we propose a heat dissipation structure for a switching power supply capable of being quickly disassembled and assembled to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem existing in the prior art, and the heat radiation structure who provides but is used for switching power supply quick assembly disassembly.

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

a heat dissipation structure capable of being quickly disassembled and assembled for a switching power supply comprises a casing, wherein a circuit board is fixedly installed inside the casing, a placement groove is formed in the top of the casing, a heat dissipation plate is placed inside the placement groove, a heat conduction plate is fixedly installed at the bottom of the heat dissipation plate, a plurality of heat dissipation fins are fixedly installed at the bottom of the heat conduction plate, heat conduction fins are fixedly installed at the bottom of the heat dissipation fins, the circuit board is abutted against the heat conduction fins, a mounting groove is formed in the top of the casing, an insertion rod is inserted into the inner wall of the mounting groove, a fixing block is fixedly installed at one end of the insertion rod, an extension spring is sleeved outside the insertion rod, one end of the extension spring is fixedly connected with the inner wall of the mounting groove, the other end of the extension spring is fixedly connected with the fixing block, a slot is formed in, the inner wall of the casing is provided with a butt joint groove matched with the limiting block, the limiting rod is inserted into the slot, the inner wall of the casing is provided with a limiting groove matched with the limiting rod, a clamping block is fixedly mounted on the outer wall of the limiting rod, a clamping groove matched with the clamping block is formed in the inner wall of the slot, a compression spring is sleeved outside the limiting rod, one end of the compression spring is fixedly connected with the clamping block, and the other end of the compression spring is fixedly connected with the inner wall of the clamping groove.

Preferably, the casing is made of aluminum alloy, and the thickness of the casing is 0.5 cm.

Preferably, the outer wall of the fixing block is fixedly provided with a pull ring, and a cavity is formed in the pull ring.

Preferably, a plurality of ventilation holes are all seted up to the both sides of casing, the ventilation hole is the annular.

Preferably, the inner wall of the casing is fixedly provided with two filter screens.

Preferably, the outer wall of the pull ring is fixedly provided with an anti-slip sleeve, and the outer wall of the anti-slip sleeve is integrally formed with anti-slip particles.

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

1. through setting up and pulling the fixed block, the inserted bar is followed the fixed block and is broken away from the slot completely, elasticity principle that resets through utilizing compression spring, the gag lever post of this moment can break away from the spacing groove completely, elasticity principle that resets through utilizing extension spring, it can make stopper and gag lever post reset to loosen the fixed block, the cooperation of going up the structure uses the heat radiation structure quick assembly disassembly on the casing of being convenient for, wherein heat radiation structure includes the heating panel, the heat-conducting plate, fin and conducting strip, through setting up the heating panel, the heat-conducting plate, fin and conducting strip are convenient for dispel the heat to the circuit board in the casing, wherein extension spring's elasticity is greater than.

2. Through setting up the filter screen can be under the circumstances of guaranteeing the interior air of casing unblocked, the dust in the direct filtration air to the internal environment of casing has been ensured.

Drawings

Fig. 1 is a schematic view of an overall structure of a heat dissipation structure for a switching power supply, which is capable of being quickly disassembled and assembled according to the present invention;

fig. 2 is a schematic cross-sectional view of a casing of a heat dissipation structure for a switching power supply capable of being quickly disassembled;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

FIG. 4 is an enlarged view of the structure at B in FIG. 2

Fig. 5 is an enlarged view of the structure at C in fig. 2.

In the figure: 1. a housing; 2. a circuit board; 3. a heat dissipation plate; 4. a heat conducting plate; 5. a heat sink; 6. a heat conductive sheet; 7. mounting grooves; 8. inserting a rod; 9. a fixed block; 10. an extension spring; 11. a slot; 12. a limiting block; 13. a limiting rod; 14. a limiting groove; 15. a clamping block; 16. a card slot; 17. a compression spring; 18. a pull ring; 19. a vent hole; 20. filtering with a screen; 21. an anti-slip sleeve; 22. and (4) butting the grooves.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a heat dissipation structure for a switching power supply capable of being quickly disassembled and assembled comprises a casing 1, a circuit board 2 is fixedly installed inside the casing 1, a placement groove is formed at the top of the casing 1, a heat dissipation plate 3 is placed inside the placement groove, a heat conduction plate 4 is fixedly installed at the bottom of the heat dissipation plate 3, a plurality of heat dissipation plates 5 are fixedly installed at the bottom of the heat conduction plate 4, heat conduction plates 6 are fixedly installed at the bottoms of the heat dissipation plates 5, the circuit board 2 is abutted against the heat conduction plates 6, an installation groove 7 is formed at the top of the casing 1, an insertion rod 8 is inserted into the inner wall of the installation groove 7, a fixed block 9 is fixedly installed at one end of the insertion rod 8, an extension spring 10 is sleeved outside the insertion rod 8, one end of the extension spring 10 is fixedly connected with the inner wall of, a limit block 12 is fixedly arranged at one end of the inserted link 8 extending into the slot 11, a butt-joint groove 22 matched with the limit block 12 is arranged on the inner wall of the casing 1, a limit rod 13 is inserted into the slot 11, a limit groove 14 matched with the limit rod 13 is arranged on the inner wall of the casing 1, a clamping block 15 is fixedly arranged on the outer wall of the limit rod 13, a clamping groove 16 matched with the clamping block 15 is arranged on the inner wall of the slot 11, a compression spring 17 is sleeved outside the limit rod 13, one end of the compression spring 17 is fixedly connected with the clamping block 15, the other end of the compression spring 17 is fixedly connected with the inner wall of the clamping groove 16, when in use, the fixing block 9 is pulled by hand, the inserted link 8 is completely separated from the slot 11 along with the fixing block 9, by utilizing the elastic reset principle of the compression spring 17, the limit rod 13 can be completely separated from the limit groove 14, and the limit block 12 and the limit rod, the cooperation of above structure is used and is convenient for heat radiation structure quick assembly disassembly on the casing 1, and wherein heat radiation structure includes heating panel 3, heat-conducting plate 4, fin 5 and conducting strip 6, is convenient for dispel the heat to circuit board 2 in the casing 1 through setting up heating panel 3, heat-conducting plate 4, fin 5 and conducting strip 6, and wherein extension spring 10's elasticity is greater than compression spring 17's elasticity far away.

Wherein, casing 1's material is the aluminum alloy, and casing 1's thickness is 0.5cm, and the aluminum alloy has advantages such as the heat conductivity is good, plasticity is many and the low price, through setting up to aluminum alloy material's casing 1, makes the utility model has the advantages of better thermal diffusivity and good appearance quality.

Wherein, the outer wall fixed mounting of fixed block 9 has pull ring 18, and the cavity has been seted up to pull ring 18's inside, through setting up pull ring 18, is convenient for spur fixed block 9, and then has promoted the utility model discloses a practicality.

Wherein, a plurality of ventilation holes 19 have all been seted up to the both sides of casing 1, and ventilation hole 19 is the annular, through setting up ventilation hole 19, the inside ventilation of casing 1 of being convenient for, and then promote the utility model discloses a heat dissipation function.

Wherein, the inner wall fixed mounting of casing 1 has filter screen 20, and the quantity of filter screen 20 is two, can be under the circumstances of guaranteeing the air is unblocked in the casing 1 through setting up filter screen 20, directly filters the dust in the air to the internal environment of casing 1 has been ensured.

Wherein, the outer wall fixed mounting of pull ring 18 has anti-skidding cover 21, and the outer wall integrated into one piece of anti-skidding cover 21 has anti-skidding granule, has improved the frictional force between finger and the pull ring 18 through setting up anti-skidding cover 21 that has anti-skidding granule, and then has avoided taking place to take off the hand phenomenon, has promoted the utility model discloses a security.

The working principle is as follows: the utility model discloses in, during the use, with hand pulling fixed block 9, inserted bar 8 follows fixed block 9 and breaks away from slot 11 completely, elasticity principle that resets through utilizing compression spring 17, gag lever post 13 at this moment can break away from spacing groove 14 completely, elasticity principle that resets through utilizing extension spring 10, it can make stopper 12 and gag lever post 13 reset to loosen fixed block 9, the cooperation of going up the structure uses the quick dismouting of heat radiation structure on the casing 1 of being convenient for, wherein heat radiation structure includes heating panel 3, heat-conducting plate 4, fin 5 and conducting strip 6, through setting up heating panel 3, heat-conducting plate 4, fin 5 and conducting strip 6 are convenient for dispel the heat to circuit board 2 in the casing 1, wherein extension spring 10's elasticity is greater than compression spring 17's elasticity far away.

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 heat dissipation structure comprises a machine shell (1) and is characterized in that a circuit board (2) is fixedly mounted inside the machine shell (1), a placing groove is formed in the top of the machine shell (1), a heat dissipation plate (3) is placed inside the placing groove, a heat conduction plate (4) is fixedly mounted at the bottom of the heat dissipation plate (3), a plurality of radiating fins (5) are fixedly mounted at the bottom of the heat conduction plate (4), heat conduction fins (6) are fixedly mounted at the bottom of the radiating fins (5), the circuit board (2) is abutted to the heat conduction fins (6), a mounting groove (7) is formed in the top of the machine shell (1), an insertion rod (8) is inserted into the inner wall of the mounting groove (7), a fixed block (9) is fixedly mounted at one end of the insertion rod (8), and a tension spring (10) is sleeved outside the insertion rod (8), one end of the extension spring (10) is fixedly connected with the inner wall of the mounting groove (7), the other end of the extension spring (10) is fixedly connected with the fixing block (9), a slot (11) is formed in the heat dissipation plate (3) in a penetrating manner, a limiting block (12) is fixedly mounted at one end of the inserted rod (8) extending into the slot (11), a butt joint groove (22) matched with the limiting block (12) is formed in the inner wall of the casing (1), a limiting rod (13) is inserted into the slot (11), a limiting groove (14) matched with the limiting rod (13) is formed in the inner wall of the casing (1), a clamping block (15) is fixedly mounted on the outer wall of the limiting rod (13), a clamping groove (16) matched with the clamping block (15) is formed in the inner wall of the slot (11), and a compression spring (17) is sleeved outside the limiting rod (13), one end of the compression spring (17) is fixedly connected with the clamping block (15), and the other end of the compression spring (17) is fixedly connected with the inner wall of the clamping groove (16).

2. The heat dissipation structure capable of being disassembled and assembled quickly for the switching power supply as claimed in claim 1, wherein the material of the casing (1) is aluminum alloy, and the thickness of the casing (1) is 0.5 cm.

3. The heat dissipation structure capable of being disassembled and assembled quickly for the switching power supply as claimed in claim 1, wherein a pull ring (18) is fixedly installed on the outer wall of the fixing block (9), and a cavity is opened inside the pull ring (18).

4. The heat dissipation structure capable of being disassembled and assembled quickly for the switching power supply as claimed in claim 1, wherein both sides of the casing (1) are opened with a plurality of ventilation holes (19), and the ventilation holes (19) are ring-shaped.

5. The heat dissipation structure capable of being disassembled and assembled quickly for the switching power supply as claimed in claim 1, wherein the inner wall of the casing (1) is fixedly provided with two filter screens (20), and the number of the filter screens (20) is two.

6. The fast detachable heat dissipation structure for switching power supply according to claim 3, wherein an anti-slip sleeve (21) is fixedly installed on an outer wall of the pull ring (18), and anti-slip particles are integrally formed on an outer wall of the anti-slip sleeve (21).