Cooling assembly of high-voltage frequency converter

Abstract

The utility model discloses a cooling assembly of a high-voltage frequency converter, and relates to the technical field of high-voltage frequency converter cooling. A fixing base is fixedly connected to the bottom end of the high-frequency transformer, a fixing groove is formed in the side end, close to the fixing base, of the high-frequency transformer, a fixing semicircular groove is formed in the top end of the fixing base, a supporting plate is connected to the top end of the fixing base in an abutting mode, and a sliding groove is formed in the supporting plate in the direction parallel to the center line of the fixing base. A heat dissipation plate is fixedly connected to the top end of the supporting plate, a sliding plate is slidably connected into the sliding groove, a fan is fixedly connected to the top end of the sliding plate, the fixing plate abuts against and is connected into the fixing groove, and a plurality of ventilation holes penetrating through the fixing plate are formed in the fixing plate. The high-frequency transformer has the beneficial effects that the supporting plate can be detached from the interior of the high-frequency transformer by bearing the heat dissipation plate and the fan, so that dust on the heat dissipation plate and the fan can be conveniently cleaned, and normal operation of the fan and the heat dissipation plate in the high-frequency transformer is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the field of high-voltage frequency converter cooling, and in particular relates to a cooling component of a high-voltage frequency converter. Background Art

[0002] A high-voltage inverter is an electronic device used to convert fixed-frequency AC power into adjustable-frequency power and feed it into a motor for control. It is widely used in industrial production processes, primarily to adjust the speed of high-power motors, thereby reducing energy consumption and improving production efficiency. Transformers generate heat during operation, which, if not properly dissipated, can lead to overheating and damage.

[0003] In the prior art, a high-voltage inverter is cooled by a fan. A heat sink is connected to the side of the high-voltage inverter by bolts. The airflow driven by the fan takes away the heat from the heat sink, thereby cooling the high-voltage inverter.

[0004] However, after the high-voltage inverter has been used for a long time, external dust will be adsorbed on the fan and heat sink, which reduces the heat dissipation effect of the fan. However, the current fan and heat sink are inside the high-voltage inverter and are not easy to disassemble and clean, thus affecting the heat dissipation effect of the high-voltage inverter. Utility Model Content

[0005] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a cooling assembly for a high-voltage inverter. This cooling assembly solves the problem that after long-term use of the high-voltage inverter, dust from the outside will be attracted to the fan and heat sink, thereby reducing the fan's heat dissipation effect. However, the fan and heat sink are currently located inside the high-voltage inverter, making them difficult to disassemble and clean, thus affecting the high-voltage inverter's heat dissipation effect.

[0006] To achieve the above objectives, according to an embodiment of the first aspect of the present invention, a cooling assembly for a high-voltage inverter is provided, comprising:

[0007] A high-frequency transformer, wherein the bottom end of the high-frequency transformer is fixedly connected to a fixed base, a fixing groove is opened on the side end of the high-frequency transformer close to the fixed base, and a fixed semicircular groove is opened on the top end of the fixed base;

[0008] A support plate, the support plate is connected to the top of the fixed base, the support plate is provided with a slide groove in a direction parallel to the center line of the fixed base, the top of the support plate is fixedly connected to the heat sink, the slide groove is slidably connected to the inside of the slide groove, and the top of the slide groove is fixedly connected to the fan; and

[0009] The fixing plate is connected in abutting relation in the fixing groove and is provided with a plurality of ventilation holes penetrating the fixing plate.

[0010] As a further solution of the present invention: a plurality of semi-cylinders are fixedly connected to the lower end of the support plate in a direction parallel to the edge of the high-frequency transformer, and the side ends of the semi-cylinders close to the fixed base are abutted and connected with the fixed semi-circular grooves.

[0011] As a further solution of the present invention: the high-frequency transformer is provided with a plurality of guiding semicircular grooves at the side ends parallel to the center line of the semi-cylinder, and the guiding semi-circular grooves are slidably connected to the semi-cylinder.

[0012] As a further solution of the present invention: the side end of the semi-cylinder close to the fixing plate is fixedly connected with a plurality of positioning columns, and the support plate is provided with a plurality of positioning holes in its interior parallel to the center line of the positioning columns, and the positioning holes are sleeved and connected with the positioning columns.

[0013] As a further solution of the present invention: a fixing hole is provided at the top of the fixed base, a threaded rod is connected to the inner thread of the fixing hole, a skateboard threaded hole is provided on the skateboard in a direction parallel to the center line of the threaded rod, and a fixing plate threaded hole is provided on the fixing plate in a direction parallel to the center line of the threaded rod.

[0014] As a further solution of the present invention: the threaded rod is threadedly connected to the threaded hole of the skateboard, and the threaded rod is threadedly connected to the threaded hole of the fixing plate.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. The support plate can support the heat sink and the fan. The support plate can be removed from the high-frequency transformer to facilitate cleaning of dust on the heat sink and the fan, thereby ensuring the normal operation of the fan and the heat sink in the high-frequency transformer;

[0017] 2. The positioning column further positions and supports the support plate to prevent the support plate from shifting up and down, thereby ensuring the overall stability of the support plate. The threaded rod is threadedly connected to the threaded holes of the skateboard and the threaded holes of the fixed plate respectively. The threaded rod fixes the skateboard and the fixed plate, thereby fixing the fixed plate and the support plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a front view of the overall structure of the utility model

[0020] Figure 3 This is the AA cross-sectional view of the overall structure of the utility model;

[0021] Figure 4 For the utility model Figure 3A magnified schematic diagram of the structure at A;

[0022] Figure 5 This is a schematic diagram of the support plate structure of the utility model;

[0023] Figure 6 This is a schematic diagram of the fixed base structure of the utility model;

[0024] Figure 7 This is a schematic diagram of the fixed plate structure of the present utility model.

[0025] Illustration: 1. High-frequency transformer; 2. Fixing plate; 3. Ventilation hole; 4. Threaded rod; 5. Fixing base; 6. Fixing hole; 7. Support plate; 8. Semi-cylinder; 9. Positioning hole; 10. Slide groove; 11. Slide plate; 12. Slide plate threaded hole; 13. Fan; 14. Heat sink; 15. Fixing groove; 16. Fixing semi-circular groove; 17. Guide semi-circular groove; 18. Positioning column; 19. Fixing plate threaded hole. DETAILED DESCRIPTION

[0026] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the embodiments. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] like Figures 1 to 7 As shown, a cooling assembly for a high-voltage frequency converter includes: a high-frequency transformer 1, a support plate 7 and a fixing plate 2.

[0028] The bottom end of the high-frequency transformer 1 is fixedly connected to a fixed base 5. The high-frequency transformer 1 has a fixing groove 15 at the side end near the fixed base 5, and a fixing semicircular groove 16 at the top of the fixed base 5. The fixed base 5 fixedly connected to the bottom end of the high-frequency transformer 1 can play a positioning and supporting role; it also includes:

[0029] The support plate 7 is connected to the top of the fixed base 5, and the support plate 7 is provided with a slide groove 10 in a direction parallel to the center line of the fixed base 5. The top of the support plate 7 is fixedly connected to the heat sink 14, and a slide plate 11 is slidably connected inside the slide groove 10. The top of the slide plate 11 is fixedly connected to the fan 13. The support plate 7 has the effect of carrying the heat sink 14 and the fan 13. The support plate 7 is kept stable by being abutted on the fixed base 5. The fan 13 is slidably connected to the slide groove 10 through the slide plate 11. When the support plate 7 is removed from the high-frequency transformer 1, the fan 13 is removed from the support plate 7, and the heat sink 14 and the fan 13 are cleaned respectively, so that the support plate 7 achieves the effect of removing the fan 13 and the heat sink 14 from the high-frequency transformer 1; and

[0030] The fixing plate 2 is connected in the fixing groove 15 by abutting, and a plurality of ventilation holes 3 are opened in the fixing plate 2 through the fixing plate 2. The fixing plate 2 is connected in the fixing groove 15 by abutting, thereby achieving the effect of positioning the support plate 7. When the fan 13 is running, the fan 13 discharges the hot air flow from the ventilation hole 3.

[0031] In some specific embodiments, a plurality of semi-cylinders 8 are fixedly connected to the lower end of the support plate 7 in a direction parallel to the edge of the high-frequency transformer 1. The side ends of the semi-cylinders 8 close to the fixed base 5 are abutted and connected with the fixed semi-circular grooves 16. The semi-cylinders 8 fixedly connected to the bottom end of the support plate 7 position the support plate 7 to prevent the support plate 7 from offsetting on the high-frequency transformer 1. The positioning effect generated by the abutment between the semi-cylinders 8 and the fixed semi-circular grooves 16 is transmitted to the support plate 7, thereby ensuring the stability of the side ends of the support plate 7 close to the fixed base 5.

[0032] In some specific embodiments, the high-frequency transformer 1 is provided with a plurality of guide semicircular grooves 17 at the side end parallel to the center line of the semi-cylinder 8. The guide semicircular grooves 17 are slidably connected to the semi-cylinder 8. The semi-cylinder 8 and the guide semicircular grooves 17 are slidably connected. On the one hand, it is convenient for the support plate 7 to be installed in the high-frequency transformer 1 for positioning and guiding, and on the other hand, it is convenient for the support plate 7 to be stable near the side end of the high-frequency transformer 1.

[0033] In some specific embodiments, a plurality of positioning columns 18 are fixedly connected to the side ends of the semi-cylinder 8 close to the fixing plate 2, and a plurality of positioning holes 9 are opened inside the support plate 7 parallel to the center lines of the positioning columns 18. The positioning holes 9 are sleeved and connected with the positioning columns 18. The fixing plate 2 supports and positions the support plate 7. When the positioning columns 18 on the fixing plate 2 are inserted into the positioning holes 9 of the support plate 7, the positioning columns 18 further position and support the support plate 7 to prevent the support plate 7 from shifting up and down, thereby ensuring the overall stability of the support plate 7.

[0034] In some specific embodiments, a fixing hole 6 is provided at the top of the fixed base 5, and a threaded rod 4 is connected to the inner thread of the fixing hole 6. A skateboard threaded hole 12 is provided on the skateboard 11 in a direction parallel to the center line of the threaded rod 4 and passes through the skateboard 11. A fixing plate threaded hole 19 is provided on the fixing plate 2 in a direction parallel to the center line of the threaded rod 4 and passes through the fixing plate 2. The fixing hole 6 is threadedly connected to the threaded rod 4 to ensure that the threaded rod 4 is fixed to the fixing hole 6. The skateboard threaded hole 12 can ensure that the bottom end of the skateboard 11 has a fixed connection function, and the fixing plate threaded hole 19 can ensure that the bottom end of the fixing plate 2 has a fixed connection function.

[0035] In some specific embodiments, the threaded rod 4 is threadedly connected to the threaded hole 12 of the skateboard, and the threaded rod 4 is threadedly connected to the threaded hole 19 of the fixing plate. The threaded rod 4 fixes the skateboard 11 and the fixing plate 2 by being threadedly connected to the threaded hole 12 of the skateboard and the threaded hole 19 of the fixing plate respectively.

[0036] In order for those skilled in the art to better understand the working principle of the embodiments of the present invention, the following is an explanation in conjunction with specific application scenarios:

[0037] When dust is absorbed on the surface of the heat sink 14 and the fan 13, the threaded rod 4 is rotated to release the fixing effect of the threaded rod 4 on the slide plate 11 and the fixed plate 2. The threaded rod 4 first disengages from the fixing hole 6, and the threaded rod 4 passes through the slide plate threaded hole 12. Finally, the threaded rod 4 disengages from the fixing plate threaded hole 19, and the fixing plate 2 is removed from the fixing groove 15. The fixing plate 2 drives the positioning column 18 to disengage from the positioning hole 9, and the support plate 7 is pulled out of the high-frequency transformer 1. The semi-cylinder 8 on the support plate 7 slides along the guide semi-circular groove 17, and the semi-cylinder 8 first disengages from the fixed base 5. When the support plate When taking it out from the high-frequency transformer 1, pull the fan 13 to be removed from the support plate 7, and the slide plate 11 on the fan 13 slides along the slide groove 10, and then the heat sink 14 and the fan 13 are cleaned. Compared with the traditional fan 13 and the fan 13 arranged inside the high-frequency transformer 1, the support plate 7 can support the heat sink 14 and the fan 13, and the support plate 7 can be removed from the high-frequency transformer 1, so that the dust on the heat sink 14 and the fan 13 can be cleaned, thereby ensuring the normal operation of the fan 13 and the heat sink 14 in the high-frequency transformer 1;

[0038] Among them, the fixed base 5 fixedly connected to the bottom end of the high-frequency transformer 1 can play the role of positioning support, the support plate 7 is kept stable by abutting on the fixed base 5, and the semi-cylinder 8 fixedly connected to the bottom end of the support plate 7 positions the support plate 7 to avoid the support plate 7 from deflecting on the high-frequency transformer 1. The positioning effect generated by the abutment of the semi-cylinder 8 and the fixed semi-circular groove 16 is transmitted to the support plate 7, thereby ensuring the stability of the side end of the support plate 7 close to the fixed base 5. The guide semi-circular groove 17 is slidably connected to the semi-cylinder 8. The semi-cylinder 8 and the guide semi-circular groove 17 are slidably connected, which is convenient for the support plate 7 to be installed on the high-frequency transformer 1. The transformer 1 is positioned and guided, and on the other hand, it is convenient for the stability of the support plate 7 near the side end of the high-frequency transformer 1. The fixing plate 2 holds the support plate 7 in position. When the positioning column 18 on the fixing plate 2 is inserted into the positioning hole 9 of the support plate 7, the positioning column 18 further positions and supports the support plate 7 to avoid the support plate 7 from shifting up and down, thereby ensuring the overall stability of the support plate 7. The threaded rod 4 is threadedly connected to the slide plate threaded hole 12 and the fixing plate threaded hole 19 respectively, and the threaded rod 4 fixes the slide plate 11 and the fixing plate 2, thereby fixing the fixing plate 2 and the support plate 7.

[0039] The above embodiments are only used to illustrate the technical method of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the present invention.

Claims

1. A cooling assembly for a high-voltage frequency converter, characterized in that: include: A high-frequency transformer (1), wherein the bottom end of the high-frequency transformer (1) is fixedly connected to a fixed base (5), the high-frequency transformer (1) is provided with a fixed groove (15) at a side end close to the fixed base (5), and the top end of the fixed base (5) is provided with a fixed semicircular groove (16); A support plate (7), the support plate (7) is connected to the top of the fixed base (5), the support plate (7) is provided with a slide groove (10) in a direction parallel to the center line of the fixed base (5), the top of the support plate (7) is fixedly connected to a heat sink (14), the slide groove (10) is slidably connected to a slide plate (11), and the top of the slide plate (11) is fixedly connected to a fan (13); and A fixing plate (2) is connected to and abutted in the fixing groove (15), and the fixing plate (2) is provided with a plurality of ventilation holes (3) penetrating the fixing plate (2).

2. The cooling assembly of a high-voltage frequency converter according to claim 1, characterized in that: The lower end of the support plate (7) is fixedly connected to a plurality of semi-circular cylinders (8) in a direction parallel to the edge of the high-frequency transformer (1), and the side ends of the semi-circular cylinders (8) close to the fixed base (5) are abutted and connected to the fixed semi-circular grooves (16).

3. The cooling assembly of a high-voltage frequency converter according to claim 2, characterized in that: The high-frequency transformer (1) is provided with a plurality of guiding semicircular grooves (17) at the side end parallel to the center line of the semicircular cylinder (8), and the guiding semicircular grooves (17) are slidably connected to the semicircular cylinder (8).

4. The cooling assembly of a high-voltage frequency converter according to claim 1, characterized in that: The side ends of the semi-cylinder (8) close to the fixing plate (2) are fixedly connected with a plurality of positioning columns (18); the support plate (7) is provided with a plurality of positioning holes (9) in parallel with the center lines of the positioning columns (18); the positioning holes (9) are sleeved and connected with the positioning columns (18).

5. The cooling assembly of a high-voltage frequency converter according to claim 1, characterized in that: The top of the fixed base (5) is provided with a fixing hole (6), the fixing hole (6) is internally threadedly connected to a threaded rod (4), the slide plate (11) is provided with a slide plate threaded hole (12) in a direction parallel to the center line of the threaded rod (4) and passing through the slide plate (11), and the fixing plate (2) is provided with a fixing plate threaded hole (19) in a direction parallel to the center line of the threaded rod (4) and passing through the fixing plate (2).

6. The cooling assembly of a high-voltage frequency converter according to claim 5, characterized in that: The threaded rod (4) is threadedly connected to the slide plate threaded hole (12), and the threaded rod (4) is threadedly connected to the fixing plate threaded hole (19).

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