CN218735675U

CN218735675U - 4KW converter heat abstractor

Info

Publication number: CN218735675U
Application number: CN202222238560.3U
Authority: CN
Inventors: 彭向阳; 刘标; 彭闯闯; 王斌; 邓仔优
Original assignee: Suzhou Geruosi Electric Co ltd
Current assignee: Suzhou Geruosi Electric Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-03-24
Anticipated expiration: 2032-08-24

Abstract

The application relates to radiating technical field of converter especially relates to a 4KW converter heat abstractor, and it is including the casing that is used for installing IGBT, be provided with in the casing and be used for carrying out forced air cooling's forced air cooling subassembly to IGBT: the air cooling assembly comprises an air cooling piece attached to the IGBT and an air blowing piece used for blowing air to the air cooling piece. The IGBT temperature control device has the effects of preventing the temperature of the IGBT from being too high and guaranteeing the processing capacity of the IGBT.

Description

4KW converter heat abstractor

Technical Field

The application relates to the technical field of frequency converter heat dissipation, in particular to a 4KW frequency converter heat dissipation device.

Background

The high-voltage frequency converter realizes the frequency conversion and speed regulation of large, medium and small industrial motors. The common frequency setting modes of the frequency converter mainly include: operator keyboard setting, contact signal setting, analog signal setting, pulse signal setting, communication mode setting and the like. The frequency setting modes have advantages and disadvantages, and the frequency setting modes are selected according to actual requirements, and simultaneously, different frequency setting modes can be selected according to functional requirements for superposition and switching.

Therefore, the 4KW adjustable frequency converter researched and developed by the department of China before mainly comprises a shell and a frequency conversion control circuit board arranged in the shell, but the IGBT module for controlling frequency conversion output needs to process current in real time, and carries out frequency modulation and voltage stabilization and other processing, so that the heat productivity is larger, and the temperature of the IGBT is overhigh, and the processing capacity is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the application provides a 4KW converter heat abstractor, and it has the advantage that prevents that the IGBT high temperature from guaranteeing its throughput.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a 4KW converter heat abstractor, is including the casing that is used for installing the IGBT, be provided with the air-cooled subassembly that is used for carrying out forced air cooling to the IGBT in the casing:

the air cooling assembly comprises an air cooling piece attached to the IGBT and an air blowing piece used for blowing air to the air cooling piece.

Realize above-mentioned technical scheme, through air-cooled piece and IGBT laminating promptly for the heat that produces on the IGBT can be quick transmit for air-cooled piece, then take away the heat on the air-cooled piece through the piece of blowing fast, thereby guaranteed that the heat that the IGBT produced can be taken away fast, and then guaranteed IGBT's functional stability.

As a preferred scheme of this application, the forced air cooling piece includes the base plate with the IGBT laminating, be provided with a plurality of forced air cooling boards on the base plate, the forced air cooling board is bloied the orientation setting along blowing.

Realize above-mentioned technical scheme, base plate and IGBT laminating for the heat that IGBT produced can transmit for the base plate, design through the forced air cooling board increases forced air cooling convection area, thereby increase the radiating efficiency of forced air cooling board, thereby can take away the heat on the base plate fast, guarantee the difference in temperature between base plate and the IGBT, thereby make the heat on the IGBT can be taken away fast, thereby guarantee that the IGBT temperature can not be too high, guaranteed IGBT's function normality.

As a preferable scheme of the present application, each of the air-cooling plates is provided with raised grains for increasing a heat dissipation area on a side wall thereof.

By the technical scheme, the heat dissipation area is further increased, and the heat dissipation effect is increased.

As a preferred scheme of this application, the subassembly of blowing includes a plurality of fans of setting on the casing and the mounting that is used for fixed fan, be provided with the air outlet on the opposite side casing of fan.

According to the technical scheme, the air cooling plates are arranged along the direction from the fan to the air outlet, so that air flow blown out by the fan can enter the space between the two adjacent air cooling plates, and the heat exchange efficiency is guaranteed.

As an optimal scheme of this application, the mounting is including setting up the mounting groove on the casing, be provided with the reference column that a plurality of air feed fans pegged graft in the mounting groove, the joint has the apron on the mounting groove.

According to the technical scheme, when the fan needs to be replaced and maintained, the fan can be taken out only by taking down the baffle from the mounting groove without dismounting and mounting screws in the whole process, and the simplicity of installation and replacement of personnel is improved.

As a preferred scheme of this application, be provided with the deep bead on the casing between fan and the air outlet, two distance between the deep bead keeps unchangeable after increasing gradually along being close to the air outlet direction, the air cooling spare sets up between two deep beads.

Realize above-mentioned technical scheme, and make the air current discharge from the air outlet after can gathering between two deep beads, the forced air cooling board sets up between two deep beads to guarantee the radiating effect of forced air cooling board.

As a preferred solution of the present application, a bottom plate for closing the housing is screwed to the housing, and the air cooling element is screwed to the bottom plate.

By the technical scheme, the stability of the air cooling plate is guaranteed.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the base plate and the laminating of IGBT for the heat that the IGBT produced can be transmitted for the base plate, and design through the forced air cooling board increases forced air cooling convection area, thereby increases the radiating efficiency of forced air cooling board, thereby can take away the heat on the base plate fast, guarantees the difference in temperature between base plate and the IGBT, thereby makes the heat on the IGBT can be taken away fast, thereby guarantees that the IGBT temperature can not be too high, has guaranteed IGBT's function normality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an overall heat dissipation device of a 4KW frequency converter according to an embodiment of the present application.

Fig. 2 is an exploded view of a heat dissipation device of a 4KW frequency converter according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a 4KW frequency converter heat dissipation device for showing a partition in the embodiment of the present application.

Fig. 4 is a schematic structural diagram for showing a blowing piece in the heat dissipation device of the 4KW frequency converter according to the embodiment of the present application.

Fig. 5 is a schematic structural diagram for showing a wind deflector and the like in the heat dissipation device of the 4KW frequency converter according to the embodiment of the present application.

Reference numerals: 1. a housing; 11. a partition portion; 12. an avoidance groove; 2. an air-cooled piece; 21. a substrate; 22. an air-cooled panel; 23. wave lines; 3. a blowing member; 31. a fan; 32. an air outlet; 33. mounting grooves; 34. a positioning column; 35. a baffle plate; 36. a wind deflector; 4. a base plate; 5. an IGBT.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a 4KW frequency converter heat abstractor. Referring to fig. 1-3, a 4KW frequency converter heat abstractor includes casing 1, and casing 1 includes the partition 11 that is used for installing IGBT5, offers the groove 12 of dodging that is used for naked IGBT5 on the partition 11. An air cooling assembly for performing forced air cooling on the IGBT5 is provided in the housing 1. The air cooling assembly comprises an air cooling piece 2 attached to the IGBT5 and a blowing piece 3 used for blowing air to the air cooling piece 2.

Referring to fig. 2 and 3, forced air cooling piece 2 includes base plate 21, base plate 21 passes and dodges groove 12 and the laminating of IGBT5, make the heat that IGBT5 produced can transmit for base plate 21, base plate 21 is kept away from IGBT5 one side and is provided with a plurality of forced air cooling boards 22 of a plurality of integrative making with base plate 21, design through forced air cooling board 22 increases forced air cooling convection area, thereby increase the radiating efficiency of forced air cooling board 22, thereby can take away the heat on base plate 21 fast, guarantee the difference in temperature between base plate 21 and the IGBT5, thereby make the heat on the IGBT5 can be taken away fast, thereby guarantee that IGBT5 temperature can not be too high, IGBT 5's function normality has been guaranteed. In order to further increase the heat dissipation efficiency of the air cooling plate 22, the side wall of the air cooling plate 22 is provided with the raised grains 23, so that the heat dissipation area is further increased, and the heat dissipation effect is increased.

Referring to fig. 3 and 4, the blowing assembly includes a pair of fans 31 provided on the casing 1 at the side of the air-cooling panel 22 and a mounting member for mounting and fixing the fans 31. An air outlet 32 is formed in the casing 1 on the opposite side of the fan 31, and the air cooling plates 22 are arranged along the direction from the fan 31 to the air outlet 32, so that air flow blown out by the fan 31 can enter between two adjacent air cooling plates 22, and the heat exchange efficiency is ensured. Simultaneously in order to guarantee that the wind current that fan 31 blew out can not be scattered, be provided with a pair of deep bead 36 between two fan 31 and the air outlet 32, it is inconvenient after the distance between two deep bead 36 increases gradually to make the wind current discharge from air outlet 32 after can gathering between two deep bead 36, forced air cooling board 22 sets up between two deep bead 36, thereby guarantee forced air cooling board 22's radiating effect.

Referring to fig. 3 and 4, in order to facilitate the installation of the fan 31, the installation member includes an installation groove 33 provided on the housing 1 for the fan 31 to be inserted therein, and a positioning post 34 inserted into a screw hole of the fan 31 is provided in the installation groove 33 to prevent the fan 31 from shaking. Meanwhile, in order to prevent the fan 31 from falling off from the mounting groove 33, a baffle 35 is inserted into the end face of the mounting groove 33. When the replacement and maintenance are needed, the fan 31 can be taken out only by taking down the baffle 35 from the mounting groove 33, the screws do not need to be dismounted in the whole process, and the convenience of mounting and replacing is improved for personnel.

Referring to fig. 1 and 2, a bottom plate 4 for closing the housing 1 is screwed to the housing 1, and the cooling plate 22 is screwed to the bottom plate 4, thereby ensuring the stability of the cooling plate 22.

The implementation principle of the heat dissipation device of the 4KW frequency converter in the embodiment of the application is as follows: base plate 21 and the laminating of IGBT5 for the heat that IGBT5 produced can be given base plate 21, design through air-cooling board 22 increases forced air cooling convection area, thereby increase air-cooling board 22's radiating efficiency, thereby can take away the heat on base plate 21 fast, guarantee the difference in temperature between base plate 21 and the IGBT5, thereby make the heat on the IGBT5 can be taken away fast, thereby guarantee that IGBT5 temperature can not be too high, guaranteed IGBT 5's function normality.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a 4KW converter heat abstractor which characterized in that: the IGBT device comprises a shell (1) for mounting an IGBT (5), wherein an air cooling component for carrying out forced air cooling on the TGBT is arranged in the shell (1):

the air cooling assembly comprises an air cooling piece (2) attached to the IGBT (5) and a blowing piece (3) used for blowing the air cooling piece (2).

2. The heat dissipation device for a 4KW frequency converter of claim 1, wherein: the air cooling part (2) comprises a substrate (21) attached to the IGBT (5), a plurality of air cooling plates (22) are arranged on the substrate (21), and the air cooling plates (22) are arranged along the air blowing direction of the air blowing part (3).

3. The heat dissipation device for a 4KW frequency converter of claim 2, wherein: the side wall of each air cooling plate (22) is provided with raised grains (23) for increasing the heat dissipation area.

4. The heat dissipation device for a 4KW frequency converter of claim 3, wherein: the blowing piece (3) comprises a fan (31) arranged on the shell (1) and a mounting piece used for fixing the fan (31), and an air outlet (32) is formed in the shell (1) on the opposite side of the fan (31).

5. The heat dissipation device for a 4KW frequency converter of claim 4, wherein: the mounting part comprises a mounting groove (33) formed in the shell (1), a plurality of positioning columns (34) for the fans (31) to be connected in an inserting mode are arranged in the mounting groove (33), and a baffle (35) is clamped on the mounting groove (33).

6. The heat dissipation device for a 4KW frequency converter of claim 4, wherein: be provided with deep bead (36) on casing (1) between fan (31) and air outlet (32), two distance between deep bead (36) keeps unchangeable after increasing gradually along being close to air outlet (32) direction, air-cooled spare (2) set up between two deep bead (36).

7. The heat dissipation device for a 4KW frequency converter of claim 1, wherein: the shell (1) is connected with a bottom plate (4) used for closing the shell (1) in a threaded mode, and the air cooling piece (2) is connected to the bottom plate (4) in a threaded mode.