CN211606399U

CN211606399U - High-efficient heat sink is used to high-voltage inverter

Info

Publication number: CN211606399U
Application number: CN202020594771.9U
Authority: CN
Inventors: 陈涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-09-29
Anticipated expiration: 2030-04-20

Abstract

The utility model discloses a high-efficient heat sink is used to high-voltage inverter, including high-voltage inverter body, box, the high-voltage inverter body inlays to be established on the positive side panel of box, the motor is installed to the rear side of box, four tuber pipes are installed to the inside longitudinal symmetry of box, are located two of homonymy linking department of tuber pipe installs the drainage tube jointly, two drainage tube symmetry sets up two corners of lateral part behind the high-voltage inverter body, two the drainage tube is close to the one end of high-voltage inverter body respectively with the inside intercommunication of keeping away from two tuber pipes of motor one side, run through respectively on the lateral wall of box and set up the inlet port that corresponds with the tuber pipe. The heat sink of this scheme can realize high-voltage inverter simultaneously, upside, downside and rear side cooling heat dissipation, and each other noninterference between the cold air current that all directions department is used for the cooling ensures that the air current can be quick carries the heat and leaves the device, improves cooling radiating efficiency.

Description

High-efficient heat sink is used to high-voltage inverter

Technical Field

The utility model relates to an electrical equipment technical field especially relates to a high-efficient heat sink is used to high-voltage inverter.

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.

The converter can produce a large amount of heats in service, leads to equipment operating efficiency low, and has the potential safety hazard, uses the heat sink to cool down because of attacking, and current heat sink, the structure sets up unreasonablely, can't realize multi-direction cooling to equipment simultaneously, and the heat sink mutual interference of different positions, cooling inefficiency, consequently needs improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-efficiency cooling device for a high-voltage frequency converter.

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

a high-efficiency cooling device for a high-voltage frequency converter comprises a high-voltage frequency converter body and a box body, wherein the high-voltage frequency converter body is embedded on a positive side panel of the box body, a motor is installed at the rear side of the box body, four air pipes are symmetrically installed in the box body in an up-down manner, two air pipes located on the same side are jointly provided with a drainage pipe at a joint part of the two air pipes, the two drainage pipes are symmetrically arranged at two corners of the rear side part of the high-voltage frequency converter body, one ends of the two drainage pipes, which are close to the high-voltage frequency converter body, are respectively communicated with the interiors of the two air pipes far away from one side of the motor, air inlet holes corresponding to the air pipes are respectively formed in the side wall of the box body in a penetrating manner, an air inlet filter screen is installed at the air, a gap is formed between one end of the air outlet pipe and the rear side of the box body, the other end of the air outlet pipe extends to the outer side of the box body, a partition plate is arranged in the air outlet pipe, and one end of the partition plate is fixed with the rear side part of the box body;

every the inside of tuber pipe all rotates through first rotation support and rotates and install the fan, the fan rotates through pivot and first rotation support and rotates and be connected, is located two of homonymy horizontal rotation is inserted in the tuber pipe and is equipped with the mobile jib, the mid-mounting of mobile jib has first bevel gear, install the second bevel gear with first bevel gear meshing in the pivot of fan, two the third bevel gear is all installed to the one end that the box was kept away from to the mobile jib, is located the downside the one end that the box was kept away from to the mobile jib is fixed with the drive end of motor, the inside of box and the vertical rotation in one side of keeping away from the box are equipped with sub-pole, the both ends of sub-pole extend respectively to the tip of two mobile jibs and install the fourth bevel gear.

Further, first rotation support includes first bracing piece and first bearing, first rotation support is connected through the pivot rotation of first bearing with the fan, the tip of first bracing piece is fixed with the inner wall of tuber pipe.

Further, two the middle part of mobile jib all rotates to install the second and rotates the support, the second rotates to support and includes second bracing piece and second pivot, the second rotates to support and rotates through second bearing and mobile jib, cross two bracing pieces and fix between two tuber pipes.

Further, the sub-rod is rotatably supported with the inner side wall of the box body through a third rotating support, the third rotating support comprises a third support rod and a third bearing, the third bearing is fixed with the third support rod, the third rotating support is rotatably connected with the sub-rod through the third bearing, and the third support rod is fixed with the inner side wall of the box body.

Further, the one end that the high-voltage inverter body was kept away from to the outlet duct is equipped with the protection network, and the protection network passes through the bolt fastening at the rear side wall of box.

Further, the drainage tube is of an L-shaped structure.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the heat sink of this scheme can realize high-voltage inverter simultaneously, upside, downside and rear side cooling heat dissipation, and each other noninterference between the cold air current that all directions department is used for the cooling ensures that the air current can be quick carries the heat and leaves the device, improves cooling radiating efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a front view of a high-efficiency cooling device for a high-voltage frequency converter provided by the present invention;

fig. 2 is a rear view of the high-efficiency cooling device for the high-voltage frequency converter provided by the utility model;

fig. 3 is a left side view of the high-efficiency cooling device for the high-voltage frequency converter provided by the present invention;

FIG. 4 is a cross-sectional view of FIG. 3;

fig. 5 is an enlarged view of a portion a of the structure of fig. 4.

In the figure: the device comprises a high-voltage frequency converter body 1, a box body 2, a motor 3, an air inlet filter screen 4, an air pipe 5, a guide plate 6, an air outlet pipe 7, a partition plate 8, a drainage pipe 9, a main rod 10, a sub rod 11, a fan 12, a first bevel gear 13, a second bevel gear 14, a third bevel gear 15, a fourth bevel gear 16, a first rotary support 17, a second rotary support 18, a third rotary support 19 and a protective net 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all 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, and are only for convenience of description and simplicity of 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 therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a high-efficiency cooling device for a high-voltage frequency converter comprises a high-voltage frequency converter body 1 and a box body 2, wherein the high-voltage frequency converter body 1 is embedded on a front side panel of the box body 2, a motor 3 is installed on the rear side of the box body 2, four air pipes 5 are symmetrically installed in the box body 2 from top to bottom, a drainage pipe 9 is installed at the joint of the two air pipes 5 on the same side, the two drainage pipes 9 are symmetrically arranged at two corners of the rear side portion of the high-voltage frequency converter body 1, one end of each drainage pipe 9 close to the high-voltage frequency converter body 1 is respectively communicated with the interiors of the two air pipes 5 on the side far away from the motor 3, air inlets corresponding to the air pipes 5 are respectively arranged on the side wall of the box body 2 in a penetrating manner, an air inlet filter screen 4 is installed at each air inlet, an air, the air outlet pipe 7 is transversely arranged, a gap is formed between one end of the air outlet pipe 7 and the rear side of the box body 2, the other end of the air outlet pipe 7 extends to the outer side of the box body 2, a partition plate 8 is arranged inside the air outlet pipe 7, and one end of the partition plate 8 is fixed with the rear side part of the box body 2;

the inside of every tuber pipe 5 all rotates through first rotation support 17 and installs fan 12, fan 12 rotates through the pivot and is connected with first rotation support 17, it is equipped with mobile jib 10 to be located two tuber pipes 5 of homonymy horizontal rotation insert, the mid-mounting of mobile jib 10 has first bevel gear 13, install the second bevel gear 14 with first bevel gear 13 meshing in the pivot of fan 12, three bevel gear 15 are all installed to the one end that box 2 was kept away from to two mobile jibs 10, the one end that box 2 was kept away from to the mobile jib 10 that is located the downside is fixed with the drive end of motor 3, the inside of box 2 and the vertical rotation in one side of keeping away from box 2 are equipped with sub-pole 11, the both ends of sub-pole 11 extend to the tip of two mobile jibs 10 respectively and install the fourth bevel gear 16 with third bevel.

Further, the first rotary support 17 comprises a first support rod and a first bearing, the first rotary support 17 is rotatably connected with the rotating shaft of the fan 12 through the first bearing, and the end part of the first support rod is fixed with the inner wall of the air duct 5.

Further, the middle parts of the two main rods 10 are rotatably provided with second rotating supports 18, each second rotating support 18 comprises a second supporting rod and a second rotating shaft, each second rotating support 18 rotates with the corresponding main rod 10 through a second bearing, and the corresponding second rotating support is fixed between the two air pipes 5 through the two supporting rods.

Further, the sub-rod 11 is rotatably supported with the inner side wall of the box body 2 through a third rotary support 19, the third rotary support 19 comprises a third support rod and a third bearing, the third bearing is fixed with the third support rod, the third rotary support 19 is rotatably connected with the sub-rod 11 through the third bearing, and the third support rod is fixed with the inner side wall of the box body 2.

Further, one end of the air outlet pipe 7, which is far away from the high-voltage inverter body 1, is provided with a protective net 20, and the protective net 20 is fixed on the rear side wall of the box body 2 through a bolt.

Further, the draft tube 9 is an L-shaped structure.

The utility model discloses a theory of operation and use flow: the driving end of the motor directly drives the main rods 10 on the same side to rotate, then the main rods 10 drive the sub rods 11 to rotate simultaneously through the third bevel gear 15 and the fourth bevel gear 16, then the sub rods 11 are meshed with the third bevel gear 15 at the end part of the other main rod 10 through the fourth bevel gear 16 at the other end, so as to drive the other main rod 10 to rotate simultaneously, when the two main rods 10 rotate, the rotating shaft where the fan 12 is located is driven to rotate through the meshing of the second bevel gear 14 and the first bevel gear 13, so as to enable the four fans 12 to rotate simultaneously.

When the fan 12 rotates, external air is introduced from the air inlet, airflow is formed among the air pipe 5, the guide plate 6, the air outlet pipe 7 and the partition plate 8, and the airflow carries heat at the upper side, the lower side and the rear side of the box body 2 out of the device, so that cooling and heat dissipation of the box body 2 are realized.

Wherein, two air currents in two tuber pipes 5 of upside combine into one through the setting of drainage tube 9, then get into in outlet duct 7 and be located the upper portion of baffle 8, two air currents in two tuber pipes 5 of downside combine into one through the setting of drainage tube 9, then get into in outlet duct 7 and be located the lower part of baffle 8, two air currents in outlet duct 7 are mutual noninterference, directly discharge from the end of outlet duct 7 at last.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The high-efficiency cooling device for the high-voltage frequency converter comprises a high-voltage frequency converter body (1) and a box body (2), and is characterized in that the high-voltage frequency converter body (1) is embedded on a positive side panel of the box body (2), a motor (3) is installed at the rear side of the box body (2), four air pipes (5) are symmetrically installed inside the box body (2) from top to bottom, two air pipes (9) are located at the same side, the connecting parts of the two air pipes (5) are jointly provided with drainage pipes (9), the two drainage pipes (9) are symmetrically arranged at two corners of the rear side part of the high-voltage frequency converter body (1), one ends of the two drainage pipes (9) close to the high-voltage frequency converter body (1) are respectively communicated with the inside of the two air pipes (5) far away from one side of the motor (3), and air inlets corresponding to the air pipes (5) are respectively, an air inlet filter screen (4) is installed at the air inlet, an air outlet pipe (7) is jointly fixed between two air pipes (5) which are located on the same side and far away from one side of the box body (2) through two guide plates (6), the air outlet pipe (7) is transversely arranged, a gap is formed between one end of the air outlet pipe (7) and the rear side of the box body (2), the other end of the air outlet pipe (7) extends to the outer side of the box body (2), a partition plate (8) is installed inside the air outlet pipe (7), and one end of the partition plate (8) is fixed with the rear side part of the box body (2);

every the inside of tuber pipe (5) all rotates through first rotation support (17) and installs fan (12), fan (12) rotate through pivot and first rotation support (17) and rotate and be connected, are located two of homonymy horizontal rotation is inserted in tuber pipe (5) and is equipped with mobile jib (10), the mid-mounting of mobile jib (10) has first bevel gear (13), install second bevel gear (14) with first bevel gear (13) meshing in the pivot of fan (12), two the one end that box (2) were kept away from in mobile jib (10) all installs third bevel gear (15), is located the downside the one end that box (2) were kept away from in mobile jib (10) is fixed with the drive end of motor (3), the inside of box (2) and the vertical rotation in one side of keeping away from box (2) are equipped with sub-rod (11), the both ends of sub-rod (11) extend to the tip of two mobile jibs (10) respectively and install the third bevel gear (15) engaged with Four bevel gears (16).

2. The efficient cooling device for the high-voltage frequency converter according to claim 1, wherein the first rotating support (17) comprises a first support rod and a first bearing, the first rotating support (17) is rotatably connected with a rotating shaft of the fan (12) through the first bearing, and an end of the first support rod is fixed to an inner wall of the air duct (5).

3. The efficient cooling device for the high-voltage frequency converter according to claim 1, wherein a second rotating support (18) is rotatably mounted in the middle of each of the two main rods (10), the second rotating support (18) comprises a second support rod and a second rotating shaft, the second rotating support (18) rotates with the main rods (10) through a second bearing, and the second support rod is fixed between the two air pipes (5).

4. The efficient cooling device for the high-voltage frequency converter is characterized in that the sub-rod (11) is rotatably supported on the inner side wall of the box body (2) through a third rotary support (19), the third rotary support (19) comprises a third support rod and a third bearing, the third bearing is fixed to the third support rod, the third rotary support (19) is rotatably connected with the sub-rod (11) through the third bearing, and the third support rod is fixed to the inner side wall of the box body (2).

5. The efficient cooling device for the high-voltage frequency converter is characterized in that a protective net (20) is arranged at one end, away from the high-voltage frequency converter body (1), of the air outlet pipe (7), and the protective net (20) is fixed on the rear side wall of the box body (2) through bolts.

6. The efficient cooling device for the high-voltage frequency converter is characterized in that the drainage tube (9) is of an L-shaped structure.