CN219612427U - Heat radiation structure of frequency converter - Google Patents

Abstract

The utility model discloses a radiating structure of a frequency converter, which comprises a top cover, clamping blocks, a notch and a shell, wherein the bottom of the top cover is connected with the clamping blocks, the clamping blocks are connected with the shell through the notch, connecting plates are arranged on two sides of the shell, radiating fins are sequentially arranged in the connecting plates at equal intervals from top to bottom, radiating fans are arranged on the left side and the right side of the shell, dust screens are arranged on one side of each radiating fan, and ventilation grids are arranged on the front side and the rear side of the shell.

Description

Heat radiation structure of frequency converter

Technical Field

The utility model relates to the technical field of frequency converters, in particular to a heat dissipation structure of a frequency converter.

Background

When the frequency converter works normally, the temperature inside the machine body can rise suddenly, and if the working temperature of the machine body cannot be reduced in a short time, internal devices can be damaged.

The temperature makes the semiconductor device more sensitive to the temperature, a key factor affecting the life of the electrical components. The radiator in the frequency converter generally occupies one third to one half of the whole volume, and the radiator is important to the function of the frequency converter.

The existing frequency converter is mostly fixed on the main body of the frequency converter through a threaded fastener, and when the frequency converter needs to be maintained, the frequency converter is complicated to detach; the application designs a frequency converter heat dissipation mechanism which is convenient to disassemble and maintain the frequency converter and has good heat dissipation effect.

Disclosure of Invention

The utility model aims to provide a heat dissipation structure of a frequency converter, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a heat radiation structure of converter, includes top cap, fixture block, notch, casing, the bottom of top cap is connected with the fixture block, the fixture block has the casing through the notch connection, and the converter main part sets up inside the casing, the both sides of casing all are provided with the connecting plate, the inside of connecting plate has set gradually radiator fin by last to even interval down, radiator fan is all installed to the left and right sides of casing, dust screen is installed to one side of radiator fan, both sides all are provided with the grid of taking a breath around the casing.

The air flow design of the utility model is to enter air from the front side and the back side of the shell and exit air from the left side and the right side of the shell; compared with the prior art, the air inlet is formed at one end, the air outlet is formed at the opposite end, and the heat dissipation effect is good.

The top cover is connected with the shell through the clamping block, so that the disassembly is convenient, and the frequency converter main body arranged in the shell is convenient to maintain.

Preferably, a plurality of air guide holes are formed in the connecting plate.

Preferably, a heat sink is mounted on top of the top cover.

Preferably, the notch has been seted up at the top of casing, the spread groove has all been seted up to the inside both sides of notch, the inside fixedly connected with reset spring of spread groove, the one end fixedly connected with spacing head of reset spring, the both sides of fixture block all are provided with the spacing groove, spacing groove and spacing head looks adaptation.

Preferably, the radiating fins are arranged in a V-shaped structure.

Preferably, the connecting plate and the radiating fins are integrally formed, and the connecting plate and the radiating fins are made of aluminum alloy.

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

1. through the inside of inserting the fixture block of top cap bottom notch, spacing head cooperation reset spring carries out spacing fixedly to the fixture block to the quick installation of top cap and casing, the inside converter body of maintenance of being convenient for.

2. The radiating fins are arranged into a V-shaped structure, the heat absorption area is increased, excessive installation space is not occupied, the radiating fan is started to cooperate with the air guide holes formed in the connecting plate to accelerate the air flow in the shell, the radiating effect is improved, the ventilation efficiency is improved, and the frequency converter body is quickly and comprehensively radiated.

3. The air flow design of the utility model is to enter air from the front and back sides of the shell and exit air from the left and right sides of the shell; compared with the prior art, the air inlet is formed at one end, the air outlet is formed at the opposite end, and the heat dissipation effect is good.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic cross-sectional structure of the present utility model.

Fig. 3 is a schematic view of a heat dissipation fin according to the present utility model.

Fig. 4 is a schematic view of a partial structure of the present utility model.

In the figure: 1. a heat sink; 2. a top cover; 3. a housing; 4. a heat radiation fan; 5. a dust screen; 6. an air guide hole; 7. a notch; 8. a transducer body; 9. a connecting plate; 10. a heat radiation fin; 11. a ventilation grille; 12. a clamping block; 13. a positioning head; 14. a return spring; 15. and a connecting groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Referring to fig. 1, 2, 3 and 4, in the embodiment of the utility model, a heat dissipation structure of a frequency converter comprises a top cover 2, a clamping block 12, a notch 7 and a shell 3, wherein the bottom of the top cover 2 is connected with the clamping block 12, the clamping block 12 is connected with the shell 3 through the notch 7, a frequency converter main body 8 is arranged in the shell 3, two sides of the frequency converter main body 8 are respectively provided with a connecting plate 9, heat dissipation fins 10 are sequentially arranged in the connecting plates 9 at equal intervals from top to bottom, a heat dissipation fan 4 is arranged on the left side and the right side of the shell 3, a dust screen 5 is arranged on one side of the heat dissipation fan 4, an air guide hole 6 formed in the heat dissipation fan 4 and matched with the inside of the connecting plates 9 is started to accelerate air flow in the shell 3, heat dissipation effect is improved, ventilation efficiency is increased, ventilation grids 11 are arranged on the front side and the rear side of the shell 3, the inside of connecting plate 9 has seted up a plurality of air vents 6, fin 1 is installed at the top of top cap 2, notch 7 has been seted up at the top of casing 3, spread groove 15 has all been seted up to the inside both sides of notch 7, spread groove 15's inside fixedly connected with reset spring 14, reset spring 14's one end fixedly connected with spacing head 13, fixture block 12's both sides all are provided with the spacing groove, spacing groove and spacing head 13 looks adaptation, through inserting the fixture block 12 of top cap 2 bottom into the inside of notch 7, spacing head 13 cooperates reset spring 14 to carry out spacing fixed to fixture block 12 to the quick installation of top cap 2 and casing 3, radiating fin 10 sets up to V type structure, has increased the heat absorption area, and does not occupy too much installation space, connecting plate 9 and radiating fin 10 are integrated into one piece design, the connecting plates 9 and the radiating fins 10 are all made of aluminum alloy.

The working principle of the utility model is as follows: through inserting fixture block 12 of top cap 2 bottom into notch 7's inside, spacing head 13 cooperation reset spring 14 carries out spacing fixed to fixture block 12 to the quick installation of top cap 2 and casing 3, the heat that converter body 8 produced absorbs through the fin 10 of both sides, and fin 10 sets up to V type structure, has increased the heat absorption area, starts the air vent 6 that the inside of radiator fan 4 cooperation connecting plate 9 offered and accelerates the inside air flow of casing 3, improves the radiating effect.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a heat radiation structure of converter, includes top cap (2), fixture block (12), notch (7), casing (3), its characterized in that: the utility model discloses a novel energy-saving device for the electric motor is characterized in that a clamping block (12) is connected with the bottom of a top cover (2), the clamping block (12) is connected with a shell (3) through a notch (7), a frequency converter main body (8) is arranged in the inside of the shell (3), connecting plates (9) are arranged on two sides of the shell (3), radiating fins (10) are sequentially arranged in the inside of the connecting plates (9) from top to bottom at uniform intervals, a radiating fan (4) is arranged on the left side and the right side of the shell (3), a dust screen (5) is arranged on one side of the radiating fan (4), and ventilation grids (11) are arranged on the front side and the rear side of the shell (3).

2. The heat dissipation structure of a frequency converter according to claim 1, wherein: a plurality of air guide holes (6) are formed in the connecting plate (9).

3. The heat dissipation structure of a frequency converter according to claim 1, wherein: the top of the top cover (2) is provided with a radiating fin (1).

4. The heat dissipation structure of a frequency converter according to claim 1, wherein: notch (7) have been seted up at the top of casing (3), spread groove (15) have all been seted up to the inside both sides of notch (7), the inside fixedly connected with reset spring (14) of spread groove (15), the one end fixedly connected with spacing head (13) of reset spring (14), the both sides of fixture block (12) all are provided with the spacing groove, spacing groove and spacing head (13) looks adaptation.

5. The heat dissipation structure of a frequency converter according to claim 1, wherein: the radiating fins (10) are arranged in a V-shaped structure.

6. The heat dissipation structure of a frequency converter according to claim 1, wherein: the connecting plate (9) and the radiating fins (10) are integrally formed, and the connecting plate (9) and the radiating fins (10) are made of aluminum alloy.