CN219248465U - Power module heat radiation structure - Google Patents

Abstract

The utility model discloses a power module radiating structure, which relates to the technical field of power devices and comprises a protective box body, wherein one side of the protective box body is provided with two limiting plates, the lower ends of the two limiting plates, which are close to one side, are provided with limiting grooves, the other side of the protective box body is provided with a fixing plate, the lower ends of the fixing plates are provided with fixing grooves at positions corresponding to the limiting grooves, the inside of the protective box body is provided with a power module, the outer surfaces of the two sides of the protective box body are provided with radiating fins, the inside of each radiating fin is provided with a fixing fin, the inner side ends of each fixing fin are provided with a heat conducting end, the power module is fixed through the fixing fins, the radiating fins are not required to be fixed on a heating element by using screws, the temperature of the element is reduced, and the normal operation of the radiating module is ensured. The heat dissipation mode does not need to purchase parts such as a radiator and the like independently, so that the cost is reduced, and the installation and the operation are more convenient.

Description

Power module heat radiation structure

Technical Field

The utility model relates to the technical field of power supply devices, in particular to a heat dissipation structure of a power supply module.

Background

The power supply module is a power supply functional component which is formed by making power supply functional components into parts and can be directly attached or installed on a printed circuit board through a connector, is used for supplying power to various loads in various electronic equipment, and can greatly simplify the power supply design of an electronic application system. The existing power module heat dissipation structure generally discharges heat through a fin radiator, and the fin radiator is generally fixed on the surface of a heating element by using screws or heat-conducting double-sided adhesive tape, so that the element temperature is reduced, and the normal operation of the heat dissipation module is ensured. The heat dissipation mode needs to purchase parts such as a radiator, screws, heat conduction double-sided adhesive tape and the like independently, so that the cost is increased and the installation is more complicated.

Disclosure of Invention

The utility model aims to provide a power module heat dissipation structure, which is used for solving the problems that the prior power module heat dissipation structure provided in the background art generally discharges heat through a fin radiator, and the fin radiator is generally fixed on the surface of a heating element by using screws or heat-conducting double-sided adhesive tape, so that the element temperature is reduced, and the normal operation of a heat dissipation module is ensured. The heat dissipation mode needs to purchase parts such as a radiator, screws, heat conduction double-sided adhesive tape and the like independently, so that the cost is increased and the installation is more complicated.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a power module heat radiation structure, includes the protection box body, one side of protection box body is equipped with the limiting plate, the quantity of limiting plate is two, two the limiting plate is close to one side lower extreme mutually and has seted up the spacing groove, the opposite side of protection box body is equipped with the fixed plate, the lower extreme of fixed plate with the position that the spacing groove corresponds is equipped with the fixed slot, the inside of protection box body is equipped with power module, the both sides surface of protection box body is equipped with radiator fin, radiator fin's inside is equipped with fixed fin, fixed fin's inboard end is equipped with the heat conduction end.

Preferably, the power module comprises a circuit board, the circuit board with the spacing groove reaches the fixed slot slides and pieces together and insert and be connected, one side of circuit board is equipped with the plug wire end, the plug wire end sets up two between the spacing board and be in the outside of protection box body, the upper surface opposite side of circuit board is equipped with the radiating block, the heat conduction end supports on the radiating block, the upper surface of circuit board just is in be equipped with electronic component around the radiating block.

Preferably, the inner side end of the fixed fin is provided with a base, the fixed fin is fixedly connected with the base through welding, the inner side end of the fixed base is provided with a threaded rod, the threaded rod is in threaded connection with the protection box body through threads, and the heat conducting end is fixedly connected with the threaded rod through threads.

Preferably, the protection box body, the limiting plate and the fixing plate are of a cube structure formed by bending, forming and welding a sheet metal.

Preferably, a heat dissipation hole is formed in a position, corresponding to the power module, of the upper wall of the protection box body.

Compared with the prior art, the utility model has the beneficial effects that: the heat dissipation structure of the power module replaces the existing heat dissipation structure of the power module, on the basis of discharging heat through the fin radiator, the heat dissipation fins are fixed in the heat dissipation fins through threaded connection, the power module is fixed through the fixed fins, screws or heat conduction double faced adhesive tape are not needed to be used for fixing the heat dissipation fins on the surface of a heating element, the temperature of the element is reduced, and the normal operation of the heat dissipation module is ensured. The heat dissipation mode does not need to purchase parts such as a radiator, screws, heat conduction double-sided adhesive tape and the like independently, so that the cost is reduced, and the installation and operation are more convenient.

Drawings

FIG. 1 is an isometric view of a body structure of the present utility model;

FIG. 2 is an isometric cross-sectional view of a body structure of the present utility model;

FIG. 3 is a schematic front view of the main structure of the present utility model;

FIG. 4 is a left side schematic view of the main structure of the present utility model;

FIG. 5 is a schematic top view of the main structure of the present utility model;

fig. 6 is a schematic top view of the power module structure of the present utility model.

In the figure: 1-protection box body, 2-limiting plate, 3-limiting groove, 4-fixed plate, 5-fixed groove, 6-power module, 601-circuit board, 602-plug terminal, 603-radiating block, 604-electronic component, 7-radiating fin, 8-fixed fin, 9-heat conduction end, 10-base, 11-threaded rod, 12-radiating hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the utility model provides a heat dissipation structure of a power module, which comprises a protection box body 1, wherein one side of the protection box body 1 is provided with two limiting plates 2, the two limiting plates 2 are provided with limiting grooves 3 close to the lower ends of one sides, the other side of the protection box body 1 is provided with a fixing plate 4, the lower ends of the fixing plates 4 are provided with fixing grooves 5 corresponding to the limiting grooves 3, the inside of the protection box body 1 is provided with a power module 6, the outer surfaces of two sides of the protection box body 1 are provided with heat dissipation fins 7, the inside of the heat dissipation fins 7 are provided with fixing fins 8, and the inner ends of the fixing fins 8 are provided with heat-conducting ends 9.

During the use, through setting up limiting plate 2 in the one side of protection box body 1, and set up spacing groove 3 on limiting plate 2, carry out the centre gripping fixed to the one end of power module 6, through setting up fixed plate 4 in the opposite side of protection box body 1, and set up fixed slot 5 on fixed plate 4, carry out the centre gripping fixed to the other end of power module 6 through fixed slot 5, through setting up radiator fin 7 in the both sides of protection box body 1, promote the heat dispersion of protection box body 1, and set up fixed fin 8 in radiator fin 7's inside, fix fixed fin 8 on protection box body 1 through the screw thread when guaranteeing radiator fin 7's heat dispersion, through carrying out the centre gripping fixed with fixed fin 8 on protection box body 1, through setting up heat conduction end 9 at the inboard end of fixed fin 8, with heat conduction end 9 support on power module 6, heat conduction to fixed fin 8 on the external radiation afterwards.

The power module 6 comprises a circuit board 601, the circuit board 601 with the spacing groove 3 reaches fixed slot 5 slides and pieces together and insert and be connected, one side of circuit board 601 is equipped with plug terminal 602, plug terminal 602 sets up two between the spacing board 2 and be in the outside of protection box 1, the upper surface opposite side of circuit board 601 is equipped with the heat dissipation piece 603, heat conduction end 9 supports on the heat dissipation piece 603, the upper surface of circuit board 601 just is equipped with electronic component 604 around the heat dissipation piece 603, through setting up circuit board 601, through the slip of circuit board 601 with spacing groove 3 and fixed slot 5 piece together and be connected, fix through protection box body and circuit board 601, through setting up plug terminal 602 on circuit board 601, carry out the electricity with external equipment through plug terminal 602 and be connected, set up the heat dissipation piece 603 on circuit board 601, heat conduction end 9 supports on the heat dissipation piece 603, conducts the heat that electronic component 604 produced to on the heat conduction end 9 through the heat dissipation piece 603.

The inner side end of each fixed fin 8 is provided with a base 10, each fixed fin 8 is fixedly connected with the corresponding base 10 through welding, the inner side end of each fixed base 10 is provided with a threaded rod 11, each threaded rod 11 is in threaded connection with the corresponding protection box body 1 through threads, each heat conducting end 9 is fixedly connected with each threaded rod 11 through threads, each fixed fin 8 is fixedly arranged on the corresponding base 10 through welding, each threaded rod 11 is arranged at the inner side end of each base 10, each threaded rod 11 is in threaded connection with the corresponding protection box body 1 through threads, the fixed fins 8 can rotate on the corresponding protection box body 1 through the corresponding threaded rods 11, so that the power module 6 is clamped and fixed, and each heat conducting end 9 is fixedly arranged on each threaded rod 11 through threads.

The protection box body 1 the limiting plate 2 with the fixed plate 4 is the cube structure that forms through a sheet metal bending forming welded fastening, through the protection box body 1 of an integrated structural design, guarantees the bulk strength of protection box body 1.

The upper wall of the protection box body 1 is provided with a heat dissipation hole 12 at a position corresponding to the power module 6, and the heat dissipation capacity of the protection box body 1 is improved by arranging the heat dissipation hole 12 in the protection box body 1.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (5)

1. A power module heat radiation structure is characterized in that: including protection box body (1), one side of protection box body (1) is equipped with limiting plate (2), the quantity of limiting plate (2) is two, two limiting plate (2) are close to one side lower extreme mutually and have been seted up spacing groove (3), the opposite side of protection box body (1) is equipped with fixed plate (4), the lower extreme of fixed plate (4) with the position that spacing groove (3) corresponds is equipped with fixed slot (5), the inside of protection box body (1) is equipped with power module (6), the both sides surface of protection box body (1) is equipped with radiator fin (7), the inside of radiator fin (7) is equipped with fixed fin (8), the inboard end of fixed fin (8) is equipped with heat conduction end (9).

2. The power module heat dissipation structure as defined in claim 1, wherein: the power module (6) comprises a circuit board (601), the circuit board (601) is connected with the limiting groove (3) and the fixing groove (5) in a sliding splicing mode, one side of the circuit board (601) is provided with a wire inserting end (602), the wire inserting end (602) is arranged between the two limiting plates (2) and is arranged outside the protection box body (1), a radiating block (603) is arranged on the other side of the upper surface of the circuit board (601), the heat conducting end (9) abuts against the radiating block (603), and an electronic element (604) is arranged on the upper surface of the circuit board (601) and around the radiating block (603).

3. The power module heat dissipation structure as defined in claim 1, wherein: the inner side end of each fixed fin (8) is provided with a base (10), each fixed fin (8) is fixedly connected with each base (10) through welding, the inner side end of each base (10) is provided with a threaded rod (11), each threaded rod (11) is in threaded connection with the corresponding protection box body (1) through threads, and each heat conducting end (9) is fixedly connected with each threaded rod (11) through threads.

4. The power module heat dissipation structure as defined in claim 1, wherein: the protection box body (1), the limiting plate (2) and the fixing plate (4) are of a cube structure formed by bending, forming, welding and fixing a sheet metal.

5. The power module heat dissipation structure as defined in claim 1, wherein: and a heat dissipation hole (12) is formed in the position, corresponding to the power module (6), of the upper wall of the protection box body (1).

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