CN216650324U

CN216650324U - Heat dissipation device for high-voltage frequency converter

Info

Publication number: CN216650324U
Application number: CN202122694216.0U
Authority: CN
Inventors: 王�华; 胡桂林; 周强
Original assignee: Yangchun New Iron and Steel Co Ltd
Current assignee: Yangchun New Iron and Steel Co Ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-05-31
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a heat dissipation device for a high-voltage frequency converter, which comprises a case body provided with the high-voltage frequency converter, wherein the side wall of the case body is provided with a mounting groove, the high-voltage frequency converter is mounted on the side wall of the bottom end of the mounting groove, the side wall of the mounting groove is fixedly connected with a positioning ring, the side wall of one side of the positioning ring is fixedly connected with a positioning rod, the side wall of the positioning rod is rotatably connected with a driving shaft, the upper end of the driving shaft is provided with a driving mechanism, the positioning ring is provided with a blowing mechanism, and the side walls of two sides of the mounting groove are respectively provided with a cooling mechanism. According to the utility model, through the positioning ring, the driving shaft, the motor, the rotating wheel, the rotating shaft, the driven wheel and the fan blades, the two fan blades can uniformly blow and radiate heat in the high-voltage frequency converter, so that the high-voltage frequency converter can be effectively cooled, dust in the high-voltage frequency converter can be discharged from the air outlet, equipment in the high-voltage frequency converter is effectively protected, and the service life of the equipment is prolonged.

Description

Heat dissipation device for high-voltage frequency converter

Technical Field

The utility model relates to the technical field of heat dissipation of electrical equipment, in particular to a heat dissipation device for a high-voltage frequency converter.

Background

The frequency converter is an electric energy control device which converts a power frequency power supply into another frequency by utilizing the on-off action of a power semiconductor device. With the rapid development of modern power electronic technology and microelectronic technology, high-voltage high-power variable-frequency speed regulation devices are continuously mature, and the high-voltage problem which is difficult to solve originally is solved well in recent years by device series connection or unit series connection. When the frequency converter operates, a large amount of heat can be generated, the frequency converter is subjected to relatively closed airborne reduction, and the heat can be always gathered in the frequency converter, so that the working efficiency of electronic elements in the frequency converter can be reduced, and even the service life of equipment can be prolonged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that the prior frequency converter generates a large amount of heat when in operation, is relatively sealed and airborne, and the heat is always gathered in the frequency converter, so that the working efficiency of electronic elements in the frequency converter is reduced, and even the service life of equipment is prolonged.

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

the utility model provides a heat abstractor for high-voltage inverter, is including the quick-witted box that is equipped with high-voltage inverter, the mounting groove has been seted up to quick-witted box lateral wall, high-voltage inverter installs on mounting groove bottom lateral wall, lateral wall fixedly connected with holding ring on the mounting groove, holding ring one side lateral wall fixedly connected with locating lever, the locating lever lateral wall rotates and is connected with the drive shaft, the drive shaft upper end is provided with actuating mechanism, the holding ring is provided with blast mechanism, mounting groove both sides lateral wall all is provided with cooling body.

Preferably, the driving mechanism comprises a motor arranged at the upper end of the machine box body, the upper end of the driving shaft penetrates through the side wall of the installation groove and extends to the outside, and the upper end of the driving shaft is fixedly connected to the output end of the motor.

Preferably, the blowing mechanism is including setting up the rack on the inboard lateral wall of holding ring, be located in the holding ring drive shaft lateral wall fixedly connected with rotates the wheel, the drive shaft tip rotates and is connected with the regulating plate, the regulating plate both ends all rotate and are connected with the axis of rotation, two the equal fixedly connected with of axis of rotation lateral wall is from the driving wheel, mesh with holding ring and rotation wheel respectively from the driving wheel, two the equal fixedly connected with flabellum of axis of rotation tip.

Preferably, cooling body is including seting up the ventilation groove on the lateral wall of mounting groove both sides, the air intake has all been seted up to mounting groove upper end both sides lateral wall, the ventilation groove upper end communicates in the air intake, in the ventilation tank bottom intercommunication mounting groove, two the ventilation groove lateral wall all is equipped with the cooling chamber.

Preferably, the driven wheel side wall is provided with a plurality of ventilation openings penetrating through the side wall.

Preferably, two the air intake lateral wall all is provided with air filter, mounting groove bottom both sides lateral wall all is provided with the outside air exit of intercommunication.

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

1. through holding ring, drive shaft, motor, rotation wheel, axis of rotation, from driving wheel and flabellum, can make two flabellums even blow the heat dissipation in to high-voltage inverter, not only can effectually cool down high-voltage inverter, can also discharge the dust in the high-voltage inverter from the air exit, the effectual equipment to in the high-voltage inverter has protected, has improved the life of equipment.

2. Through air intake, cooling chamber and air filter, can be effectual blow the ventilation inslot with the hot-air of high-voltage inverter inside part to after cooling chamber cools off, blown the high-voltage inverter by the flabellum again on, effectual improvement is to the efficiency of high-voltage inverter cooling.

Drawings

Fig. 1 is a schematic cross-sectional view of a main body of a heat dissipation apparatus for a high-voltage inverter according to the present invention;

fig. 2 is a schematic structural diagram of a blowing mechanism of a heat dissipation device for a high-voltage inverter according to the present invention.

In the figure: 1 high-voltage inverter, 2 holding rings, 3 locating levers, 4 drive shafts, 5 motors, 6 rotating wheels, 7 regulating plates, 8 rotating shafts, 9 driven wheels, 10 fan blades, 11 air inlets, 12 cooling chambers, 13 ventilation openings, 14 air filter plates, 15 air outlets and 16 machine box bodies.

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.

Referring to fig. 1-2, a heat abstractor for high-voltage inverter, including the quick-witted box 16 that is equipped with high-voltage inverter 1, the mounting groove has been seted up to quick-witted box 16 lateral wall, high-voltage inverter 1 installs on mounting groove bottom lateral wall, lateral wall fixedly connected with holding ring 2 on the mounting groove, 2 one side lateral wall fixedly connected with locating lever 3 of holding ring, 3 lateral walls of locating lever rotate and are connected with

drive shaft

4, 4 upper ends of drive shaft are provided with actuating mechanism, furthermore, actuating mechanism is including setting up motor 5 in quick-witted box 16 upper end, motor 5 is prior art, do not do here and describe repeatedly, 4 upper ends of drive shaft run through the mounting groove lateral wall, and extend to the outside, 4 upper ends fixed connection of drive shaft are on motor 5's output.

Holding ring 2 is provided with the mechanism of blowing, furtherly again, the mechanism of blowing is including setting up the rack on 2 inboard lateral walls in holding ring, 4 lateral wall fixedly connected with of drive shaft that are located holding ring 2

rotate wheel

6, 4 tip of drive shaft rotate and are connected with regulating

plate

7, 7 both ends of regulating plate all rotate and are connected with axis of

rotation

8, 8 equal fixedly connected with of lateral walls of two axis of rotation are from driving wheel 9, mesh with holding ring 2 and rotating wheel 6 respectively from

driving wheel

9, 8 equal fixedly connected with flabellum 10 in the 8 tip of two axis of rotation, the beneficial effect of adopting the above-mentioned further scheme is: can drive through drive shaft 4 and rotate simultaneously from driving wheel 9 and flabellum 10, can effectually carry out comprehensive effectual heat dissipation of blowing to quick-witted box 16, improve radiating efficiency.

Mounting groove both sides lateral wall all is provided with cooling body, and furtherly again, cooling body is including seting up the ventilation groove on the mounting groove both sides lateral wall, and air intake 11 has all been seted up to mounting groove upper end both sides lateral wall, and the ventilation groove upper end communicates to in air intake 11, and in the ventilation groove bottom intercommunication mounting groove, two ventilation groove lateral walls all were equipped with cooling chamber 12.

A plurality of ventilation openings 13 penetrating through the side wall are formed in the side wall of the driven wheel 9; two 11 lateral walls of air intake all are provided with air filter 14, and air filter 14's effect is avoided external air to enter into the mounting groove in, causes the harm to high-voltage inverter 1, and mounting groove bottom both sides lateral wall all is provided with the outside air exit 15 of intercommunication.

When the utility model is used, firstly, the motor 5 is turned on, the output end of the motor 5 can drive the driving shaft 4 to rotate, the driving shaft 4 can drive the rotating wheel 6 on the outer side wall to rotate, the rotating wheel 6 can simultaneously drive the two driven wheels 9 to rotate, the driven wheels 9 can drive the rotating shaft 8 to rotate, the rotating shaft 8 can drive the fan blade 10 at the end part to rotate, the fan blade 10 can drive the wind flow to blow and radiate the inside of the high-voltage frequency converter 1 when rotating, the hot wind in the machine box body 16 can be blown to the bottom end, part of the hot wind can enter the ventilating grooves at the two sides of the bottom end of the mounting groove, because the hot wind can move upwards and the blowing of the fan blade 10 can lead the hot wind to flow from the bottom end to the upper end of the ventilating groove, the hot wind can pass through the cooling chamber 12 on the side wall of the ventilating groove, the hot wind can be cooled to become cold wind, finally, the hot wind enters the mounting groove through the air inlet 15, and continues to cool the high-voltage frequency converter 1, the fan blade 10 drives the cold air on the outer side wall, and the cold air changed from the hot air passing through the cooling chamber 12 can effectively dissipate and cool the high-voltage inverter 1.

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. The utility model provides a heat abstractor for high-voltage inverter, includes quick-witted box (16) that is equipped with high-voltage inverter (1), its characterized in that, the mounting groove has been seted up to quick-witted box (16) lateral wall, install on mounting groove bottom lateral wall high-voltage inverter (1), lateral wall fixedly connected with holding ring (2) on the mounting groove, holding ring (2) one side lateral wall fixedly connected with locating lever (3), locating lever (3) lateral wall rotates and is connected with drive shaft (4), drive shaft (4) upper end is provided with actuating mechanism, holding ring (2) are provided with the mechanism of blowing, mounting groove both sides lateral wall all is provided with cooling body.

2. The heat sink for a high-voltage inverter as claimed in claim 1, wherein the driving mechanism comprises a motor (5) disposed at an upper end of a housing (16), the upper end of the driving shaft (4) penetrates through a side wall of the mounting groove and extends to the outside, and the upper end of the driving shaft (4) is fixedly connected to an output end of the motor (5).

3. The heat dissipation device for the high-voltage inverter according to claim 1, wherein the blowing mechanism includes a rack disposed on an inner side wall of the positioning ring (2), the outer side wall of the driving shaft (4) located in the positioning ring (2) is fixedly connected with a rotating wheel (6), an adjusting plate (7) is rotatably connected to an end portion of the driving shaft (4), two ends of the adjusting plate (7) are rotatably connected with a rotating shaft (8), two outer side walls of the rotating shaft (8) are fixedly connected with a driven wheel (9), the driven wheel (9) is respectively engaged with the positioning ring (2) and the rotating wheel (6), and two end portions of the rotating shaft (8) are fixedly connected with fan blades (10).

4. The heat dissipation device for a high-voltage inverter as claimed in claim 1, wherein the cooling mechanism comprises ventilation slots formed on two side walls of the mounting slot, the air inlets (11) are formed on two side walls of the upper end of the mounting slot, the upper end of the ventilation slot communicates with the air inlets (11), the bottom end of the ventilation slot communicates with the mounting slot, and cooling chambers (12) are formed on two side walls of the ventilation slot.

5. The heat sink for the high-voltage inverter as claimed in claim 3, wherein the driven wheel (9) has a plurality of ventilation openings (13) formed in a side wall thereof.

6. The heat dissipation device for the high-voltage inverter as claimed in claim 4, wherein the side walls of the two air inlets (11) are provided with air filtering plates (14), and the side walls of both sides of the bottom end of the mounting groove are provided with air outlets (15) communicated with the outside.