CN215453699U

CN215453699U - Heat radiator for converter power unit

Info

Publication number: CN215453699U
Application number: CN202121063578.3U
Authority: CN
Inventors: 曾伯军
Original assignee: Kechuan Electric Chongqing Co ltd
Current assignee: Kechuan Electric Chongqing Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2022-01-07
Anticipated expiration: 2031-05-18

Abstract

The utility model relates to the technical field of frequency converters and discloses a heat dissipation device for a power unit of a frequency converter, which comprises a U-shaped mounting seat, wherein two heat-conducting supporting plates are fixedly clamped on the upper and lower inner walls of the left and right opposite sides of the U-shaped mounting seat, a plurality of mounting grooves are uniformly formed in the upper ends of the heat-conducting supporting plates, a plurality of heat dissipation fins are uniformly formed in the lower ends of the heat-conducting supporting plates, a blower and an exhaust fan are respectively and fixedly arranged at the lower ends of the left and right opposite sides of the U-shaped mounting seat, a ventilation main pipe is fixedly communicated with an air outlet of the blower and an air inlet of the exhaust fan, two ventilation branch pipes are fixedly communicated with the side wall of the ventilation main pipe, one ends of the ventilation branch pipes penetrate into the U-shaped mounting seat and are fixedly communicated with a hollow disc, and a plurality of air heads are fixedly communicated with the side wall of the hollow disc. The utility model can realize the separated installation of a plurality of electronic elements, ensures the air circulation, has better heat dissipation performance, is convenient for the installation of the electronic elements and is more convenient and faster to use.

Description

Heat radiator for converter power unit

Technical Field

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

Background

The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor.

As an important component of the frequency converter, the power unit mainly utilizes each power component to perform rectification, filtering, inversion and other processing, and is a main part constituting a main loop of the frequency converter, and the temperature of the power component will increase continuously during normal operation of the power unit, so a heat dissipation device is usually designed in the power unit.

When the existing heat dissipation device is used, due to the fact that all electronic elements are compactly installed, heat accumulation is serious, heat dissipation performance is poor, and normal use operation of a frequency converter is greatly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that when the heat dissipation device in the prior art is used, due to the fact that electronic elements are compactly arranged, heat accumulation is serious, heat dissipation performance is poor, and normal use and operation of a frequency converter are affected greatly.

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

the utility model provides a heat abstractor of converter power unit, includes the U-shaped mount pad, the U-shaped mount pad is controlled relative one side inner wall and is fixed the joint from top to bottom have two heat conduction layer boards, a plurality of mounting grooves have evenly been seted up to the upper end of heat conduction layer board, a plurality of radiating fin have evenly been seted up to the lower extreme of heat conduction layer board, the lower extreme of the back of the body both sides of mutually backing on the left and right sides of U-shaped mount pad is fixed hair-dryer and the air exhauster respectively, the air outlet of hair-dryer and the air intake of air exhauster all fixed intercommunication have the ventilation person in charge, the fixed intercommunication of lateral wall that the ventilation was responsible for has two ventilation branch pipes, the one end of ventilation branch pipe is run through and is stretched into in the U-shaped mount pad and fixed intercommunication has the cavity dish, the fixed intercommunication of lateral wall of cavity dish has a plurality of wind heads.

Preferably, the hollow disc is fixedly connected to the inner side of the U-shaped mounting seat through a plurality of connecting columns.

Preferably, the left and right sides of heat conduction layer board is carried on the back the same side equal fixedly connected with joint piece, the joint groove that matches the joint with the joint piece is seted up to the vertical portion inboard of U-shaped mount pad, the jack that sets up around a plurality of is seted up in the outside that the U-shaped mount pad corresponds the joint groove and jack internalization is inserted and is equipped with the chucking pole, the chucking groove that corresponds the grafting with the chucking pole is seted up in the outside of joint piece, many the same arm-tie that resets of outer end fixedly connected with of chucking pole, reset arm-tie and U-shaped mount pad are established a plurality of reset spring that establish respectively outside many chucking poles to one side fixedly connected with relatively.

Preferably, the upper end of the heat conduction supporting plate is provided with a plurality of positioning screw grooves which are symmetrically arranged relative to the mounting groove.

Preferably, the heat dissipation fin is composed of a plurality of bent portions.

Preferably, the specific materials of the heat-conducting supporting plate and the heat-radiating fins are copper alloys.

Compared with the prior art, the utility model provides a heat dissipation device of a frequency converter power unit, which has the following beneficial effects:

1. this heat abstractor of converter power unit, heat conduction layer board through being equipped with, install all kinds of electronic component in the mounting groove of heat conduction layer board upper end, realize installing fast fixedly, the matching joint in rethread joint piece and joint groove makes heat conduction layer board quick connection in the inboard of U-shaped mount pad, many chucking poles are aimed at the chucking groove this moment, reset spring draws back the arm-tie that resets, it can realize the firm connection between U-shaped mount pad and the heat conduction layer board to reset the arm-tie with the chucking pole propulsion chucking inslot, can realize comparatively detached installation to a plurality of electronic component, the circulation of air has been guaranteed, make the thermal diffusivity better, and convenient installation to electronic component, it is more convenient to use.

2. This heat abstractor of converter power unit, through hair-dryer and the air exhauster that is equipped with, when the heat accumulation is too big, start hair-dryer and air exhauster, the hair-dryer is responsible for through the ventilation and ventilates the branch pipe and to the air delivery in the left cavity dish, the air exhauster is responsible for through the ventilation and ventilates the branch pipe and induced draft to the cavity dish on right side, forms fast-speed heat dissipation air current between a plurality of radiating fin, has greatly improved heat dispersion, has guaranteed the normal use of converter.

The utility model can realize the installation of a plurality of electronic elements separately, ensures the air circulation, ensures better heat dissipation, is convenient for the installation of the electronic elements and is more convenient and faster to use.

Drawings

Fig. 1 is a schematic structural diagram of a heat dissipation device of a power unit of a frequency converter according to the present invention;

fig. 2 is a schematic diagram of a portion a of a heat dissipation device a of a power unit of a frequency converter according to the present invention.

In the figure: the heat-conducting cooling device comprises a U-shaped mounting seat 1, a heat-conducting supporting plate 2, a mounting groove 3, a heat-radiating fin 4, a blower 5, an exhaust fan 6, a main ventilation pipe 7, a branch ventilation pipe 8, a hollow disc 9, a wind head 10, a connecting column 11, a clamping block 12, a clamping groove 13, a clamping rod 14, a clamping groove 15, a reset pull plate 16, a reset spring 17 and a positioning screw groove 18.

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.

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, are merely for convenience in describing the present invention and simplifying the 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 thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, a heat abstractor of converter power unit, including U-shaped mount pad 1, U-shaped mount pad 1 is controlled relative one side inner wall and is fixed the joint from top to bottom and have two heat conduction layer boards 2, a plurality of mounting grooves 3 have evenly been seted up to heat conduction layer board 2's upper end, a plurality of radiating fin 4 have evenly been seted up to heat conduction layer board 2's lower extreme, the lower extreme of the back of the body both sides that carry on the back about U-shaped mount pad 1 is fixed hair-dryer 5 and air exhauster 6 respectively, the air outlet of hair-dryer 5 and the air intake of air exhauster 6 all are fixed the intercommunication have the main pipe of ventilating 7, the fixed intercommunication of the lateral wall of the main pipe of ventilating 7 has two ventilation branch 8, the one end of ventilation branch 8 runs through and stretches into in U-shaped mount pad 1 and fixed intercommunication has well hollow disc 9, the fixed intercommunication of the lateral wall of well hollow disc 9 has a plurality of tup 10.

The hollow discs 9 are fixedly connected to the inner side of the U-shaped mounting seat 1 through a plurality of connecting columns 11, so that the hollow discs 9 are stably connected.

The equal fixedly connected with joint piece 12 in the left and right sides mutually opposite to each other of heat conduction layer board 2, joint groove 13 that matches the joint with joint piece 12 is seted up to the vertical portion inboard of U-shaped mount pad 1, jack and the jack internalization that sets up around a plurality of are seted up in the outside that U-shaped mount pad 1 corresponds joint groove 13 are inserted and are equipped with chucking pole 14, chucking groove 15 that corresponds the grafting with chucking pole 14 is seted up in the outside of joint piece 12, the same arm-tie 16 that resets of the outer end fixedly connected with of many chucking pole 14, reset arm-tie 16 and the relative one side fixedly connected with of U-shaped mount pad 1 a plurality of reset spring 17 that establish respectively outside many chucking poles 14.

The upper end of the heat conduction supporting plate 2 is provided with a plurality of positioning screw grooves 18 which are symmetrically arranged relative to the mounting groove 3, so that the electronic elements can be conveniently positioned and mounted.

The heat dissipation fins 4 are formed by a plurality of bent portions, so that the heat dissipation fins 4 provide better heat dissipation performance in a limited space.

The specific materials of the heat-conducting supporting plate 2 and the heat-radiating fins 4 are copper alloy, so that the heat-radiating performance of the heat-conducting supporting plate 2 and the heat-radiating fins 4 is ensured.

In the utility model, when in use, various electronic components are arranged in the mounting groove 3 at the upper end of the heat-conducting supporting plate 2 through the arranged heat-conducting supporting plate 2 to realize quick mounting and fixing, the heat-conducting supporting plate 2 is quickly connected to the inner side of the U-shaped mounting seat 1 through matching clamping of the clamping block 12 and the clamping groove 13, at the moment, the clamping rods 14 are aligned with the clamping grooves 15, the reset spring 17 pulls the reset pull plate 16 back, the reset pull plate 16 pushes the clamping rods 14 into the clamping grooves 15 to realize stable connection between the U-shaped mounting seat 1 and the heat-conducting supporting plate 2, the installation of a plurality of electronic components can be realized in a separated way, air circulation is ensured, the heat dissipation performance is better, the electronic components are convenient to install, the use is more convenient, the blower 5 and the exhaust fan 6 are started through the arranged blower 5 and the exhaust fan 6, when the heat is accumulated excessively, the blower 5 conveys air into the left hollow disc 9 through the ventilation main pipe 7 and the ventilation branch pipe 8, the exhaust fan 6 is used for sucking air to the hollow disc 9 on the right side through the main ventilation pipe 7 and the branch ventilation pipes 8, high-speed heat dissipation air flow is formed among the plurality of heat dissipation fins 4, heat dissipation performance is greatly improved, and normal use of the frequency converter is guaranteed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A heat dissipation device of a frequency converter power unit comprises a U-shaped mounting seat (1) and is characterized in that two heat-conducting supporting plates (2) are fixedly connected to the inner wall of the left side and the right side of the U-shaped mounting seat (1) in a vertically fixed mode, a plurality of mounting grooves (3) are uniformly formed in the upper end of each heat-conducting supporting plate (2), a plurality of heat dissipation fins (4) are uniformly formed in the lower end of each heat-conducting supporting plate (2), a blower (5) and an exhaust fan (6) are fixedly arranged at the lower ends of the left side and the right side of the U-shaped mounting seat (1) in a back-to-back mode respectively, a ventilation main pipe (7) is fixedly communicated with an air outlet of the blower (5) and an air inlet of the exhaust fan (6), two ventilation branch pipes (8) are fixedly communicated with the side wall of the ventilation main pipe (7), one ends of the ventilation branch pipes (8) penetrate into the U-shaped mounting seat (1) and are fixedly communicated with a hollow disc (9), the side wall of the hollow disc (9) is fixedly communicated with a plurality of blast heads (10).

2. The heat sink for a frequency converter power unit according to claim 1, wherein the hollow disc (9) is fixedly connected to the inside of the U-shaped mounting base (1) by a plurality of connecting posts (11).

3. The heat dissipation device of the frequency converter power unit as claimed in claim 1, the left and right back sides of the heat-conducting supporting plate (2) are fixedly connected with clamping blocks (12), the inner side of the vertical part of the U-shaped mounting seat (1) is provided with a clamping groove (13) which is matched and clamped with the clamping block (12), a plurality of jacks arranged in the front and back are arranged on the outer side of the U-shaped mounting seat (1) corresponding to the clamping groove (13), clamping rods (14) are movably inserted in the jacks, the outer side of the clamping block (12) is provided with a clamping groove (15) which is correspondingly inserted with the clamping rod (14), the outer ends of the clamping rods (14) are fixedly connected with the same reset pull plate (16), the reset pull plate (16) and one side, opposite to the U-shaped mounting seat (1), of the U-shaped mounting seat are fixedly connected with a plurality of reset springs (17) which are respectively sleeved outside the clamping rods (14).

4. The heat dissipation device for the power unit of the frequency converter according to claim 1, wherein the upper end of the heat-conducting supporting plate (2) is provided with a plurality of positioning screw grooves (18) symmetrically arranged about the mounting groove (3).

5. The heat dissipation device of the frequency converter power unit as claimed in claim 1, wherein the heat dissipation fin (4) is composed of a plurality of bent portions.

6. The heat dissipation device for the power unit of the frequency converter according to claim 1, wherein the specific materials of the heat-conducting supporting plate (2) and the heat dissipation fins (4) are copper alloys.