CN219999905U

CN219999905U - Heat radiation structure of generator inverter assembly

Info

Publication number: CN219999905U
Application number: CN202321655489.7U
Authority: CN
Inventors: 胡尚颂; 杨晨; 辜志明
Original assignee: Zhejiang Beilide Electromechanical Co ltd
Current assignee: Zhejiang Beilide Electromechanical Co ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-11-10
Anticipated expiration: 2033-06-27

Abstract

The utility model provides a heat radiation structure of a generator inverter assembly, and belongs to the technical field of inverter assemblies. The problem that the heat dissipation effect of an existing inverter assembly is poor is solved. The heat radiation structure of this generator inverter assembly includes the heating panel, the both sides in the heating panel outside all have first fin, the both ends in the heating panel outside all have the second fin that a plurality of interval set up, all second fin all are located between two first fins, have first heat dissipation passageway between first fin and the adjacent second fin, have second heat dissipation passageway between two adjacent second fins, enclose into a heat dissipation chamber between two first fins and the second fin that is located both ends, first heat dissipation passageway and second heat dissipation passageway all are linked together with the heat dissipation chamber, radiator fan is installed to heat dissipation chamber department. The heat radiation structure has the advantage of improving the heat radiation effect of the inverter assembly.

Description

Heat radiation structure of generator inverter assembly

Technical Field

The utility model belongs to the technical field of inverter assemblies, and relates to a heat dissipation structure of a generator inverter assembly.

Background

The inverter consists of an inverter bridge, a control logic and a filter circuit, is equipment for converting direct current electric energy (a battery and an accumulator jar) into alternating current (generally 220V,50Hz sine wave), and is a device for converting direct current into alternating current.

An inverter is used on the generator, for example, chinese patent literature data discloses a heat dissipation structure of a generator set and the generator set [ patent number: 202020945245.2; application publication number: CN212013407U ], the inverter assembly comprises an inverter and an inverter shell, the inverter shell comprises an inverter cover and an inverter cover; the inverter is placed in a space surrounded by the inverter cover and the inverter cover; the long side of the inverter assembly is transversely placed, and the wide side is vertically placed; the air inlet is arranged in the lower part area of the inverter cover, and the air outlet is arranged outside the top end area of the inverter cover.

The inverter assembly of this kind of structure, air inlet department sets up in the lower part region of inverter cover, and air-out department sets up in the top region of inverter cover, and the generator work back, cold air gets into from the air inlet department of low department, and hot air rises and discharges from the air-out department of eminence, realizes the heat transfer, but this kind of heat transfer mode, and the circulation cross-sectional area of air is little, and the velocity of flow is slow, leads to the radiating effect of inverter assembly poor.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a heat dissipation structure of a generator inverter assembly, which solves the technical problem of how to improve the heat dissipation effect of the inverter assembly.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a heat radiation structure of generator inverter assembly, includes the heating panel, its characterized in that, the both sides in the heating panel outside all have first fin, the both ends in the heating panel outside all have the second fin that a plurality of interval set up, all the second fin all is located two between the first fin, have first heat dissipation passageway between first fin and the adjacent second fin, two adjacent have second heat dissipation passageway between the second fin, two enclose into a heat dissipation chamber between first fin and the second fin that is located both ends, first heat dissipation passageway and second heat dissipation passageway all with the heat dissipation chamber is linked together, radiator fan is installed to heat dissipation chamber department.

The first radiating fins, the second radiating fins, the first radiating channels and the second radiating channels are all arranged in the vertical direction, and when the cooling fan is started in operation, cold air is enabled to enter the radiating cavity along the first radiating channels and the second radiating channels which are located below, and then is discharged along the first radiating channels and the second radiating channels which are located above. The setting of radiator fan can improve the velocity of flow of wind, and first fin makes the wind of entering can not follow the lateral part and leak, guarantees the amount of wind, improves heat exchange efficiency, improves the radiating effect of dc-to-ac converter assembly.

In the heat dissipation structure of the generator inverter assembly, a part of the second heat dissipation fins are bent and arranged near the inner end of the heat dissipation cavity to form the guide part. The guiding part plays a role in guiding, so that wind can better pass through, thereby improving the heat exchange efficiency and the heat dissipation effect of the inverter assembly.

In the above-mentioned heat radiation structure of a generator inverter assembly, the middle of two first cooling fins are provided with protruding sections protruding towards the cooling cavity, and the protruding sections are abutted against the cooling fan or a gap is formed between the protruding sections and the cooling fan. The inner wall of protruding section plays the effect of direction, makes wind can be better pass through to improve heat exchange efficiency, improve the radiating effect of dc-to-ac converter assembly.

In the heat dissipation structure of the generator inverter assembly, the protruding section is in a V shape, and a reinforcing rib is arranged in the bottom of the V shape of the protruding section. The strength is improved by the arrangement of the reinforcing ribs, so that the protruding section is not easy to damage.

In the heat dissipation structure of the generator inverter assembly, the heat dissipation plate is in a strip shape, and the first heat dissipation plate and the second heat dissipation plate are all arranged along the length direction of the heat dissipation plate.

In the heat radiation structure of the generator inverter assembly, the heat radiation cavity is fixedly connected with a plurality of fixing columns, the height of each fixing column is smaller than that of the first radiating fin and the second radiating fin, the heat radiation fan is fixedly connected with the fixing columns, the heat radiation fan and the heat radiation plate are separated through the fixing columns, and the heat radiation fan is located in the heat radiation cavity. The structure ensures that the cooling fan can not block wind, ensures that the cooling fan has the best function of driving wind speed, and simultaneously ensures that the cooling structure is compact and occupies small space.

Compared with the prior art, the heat dissipation structure of the generator inverter assembly provided by the utility model has the following advantages:

1. the cooling fan of the cooling structure can not block wind, the cooling fan can improve the flow velocity of the wind, the heat exchange efficiency is improved while the cooling structure is compact, and the cooling effect of the inverter assembly is improved.

2. The arrangement of the first radiating fins of the radiating structure ensures that the entering air cannot leak from the side part, ensures the air quantity, improves the heat exchange efficiency and improves the radiating effect of the inverter assembly.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the heat dissipation structure.

Fig. 2 is a schematic structural diagram of a heat dissipation cavity of the heat dissipation structure.

In the figure, 1, a heat dissipation plate; 2. a first heat sink; 21. a protruding section; 3. a second heat sink; 31. a guide part; 4. a first heat dissipation channel; 5. a second heat dissipation channel; 6. a heat dissipation cavity; 7. a heat radiation fan; 8. reinforcing ribs; 9. and fixing the column.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 and 2, the heat dissipation structure of the generator inverter assembly includes a heat dissipation plate 1, a first heat dissipation plate 2, a second heat dissipation plate 3, and a heat dissipation fan 7.

The heating panel 1 is rectangular form, and the heating panel 1 is vertical to be installed. Both sides outside the heat dissipation plate 1 are provided with the first heat dissipation fins 2, in this embodiment, both ends outside the heat dissipation plate 1 are provided with the second heat dissipation fins 3 arranged at ten intervals, and in actual production, the number of the second heat dissipation fins 3 at both ends may be six or twelve. The first heat sink 2 and the second heat sink 3 are each arranged along the length direction of the heat dissipation plate 1.

All the second radiating fins 3 are positioned between the two first radiating fins 2, and a radiating cavity 6 is defined between the two first radiating fins 2 and the second radiating fins 3 positioned at two ends. In this embodiment, four fixing columns 9 are fixedly connected in the heat dissipation cavity 6, the height of the fixing columns 9 is smaller than the heights of the first heat dissipation fins 2 and the second heat dissipation fins 3, the heat dissipation fan 7 is fixedly connected with the fixing columns 9, the heat dissipation fan 7 and the heat dissipation plate 1 are separated through the fixing columns 9, and part of the heat dissipation fan 7 is located in the heat dissipation cavity 6.

A first heat dissipation channel 4 is arranged between the first heat dissipation fin 2 and the adjacent second heat dissipation fin 3, a second heat dissipation channel 5 is arranged between the two adjacent second heat dissipation fins 3, the first heat dissipation channel 4 and the second heat dissipation channel 5 are both communicated with the heat dissipation cavity 6, and part of the second heat dissipation fins 3 are bent near the inner end of the heat dissipation cavity 6 to form a guide part 31.

The middle parts of the two first radiating fins 2 are provided with convex sections 21 which are arranged towards the radiating cavity 6 in a protruding way, the convex sections 21 are V-shaped, and the bottom of the V-shaped convex sections 21 is provided with reinforcing ribs 8. In the present embodiment, the protruding section 21 abuts against the radiator fan 7, and in actual production, there is a gap between the protruding section 21 and the radiator fan 7.

When the cooling fan 7 is started in operation, cold air enters the cooling cavity 6 along the first cooling channel 4 and the second cooling channel which are positioned below, and then is discharged along the first cooling channel 4 and the second cooling channel which are positioned above. The cold air is communicated with the first heat dissipation channel 4 and the second heat dissipation channel, and exchanges heat with the heat dissipation plate 1, the first heat dissipation plate 2 and the second heat dissipation plate 3 to take away heat, so that the heat is changed into hot air to be exhausted.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although terms such as the heat radiating plate 1, the first heat radiating fin 2, the protruding section 21, the second heat radiating fin 3, the guide portion 31, the first heat radiating passage 4, the second heat radiating passage 5, the heat radiating cavity 6, the heat radiating fan 7, the reinforcing rib 8, the fixing post 9, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims

1. The utility model provides a heat radiation structure of generator dc-to-ac converter assembly, includes heating panel (1), its characterized in that, both sides in the heating panel (1) outside all have first fin (2), the both ends in the heating panel (1) outside all have second fin (3) that a plurality of interval set up, all second fin (3) all are located two between first fin (2), have first radiating channel (4) between first fin (2) and the adjacent second fin (3), two adjacent have second radiating channel (5) between second fin (3), two enclose into a radiating cavity (6) between first fin (2) and the second fin (3) that are located both ends, first radiating channel (4) and second radiating channel (5) all with radiating cavity (6) are linked together, radiator fan (7) are installed to radiating cavity (6) department.

2. A heat dissipation structure of a generator inverter assembly according to claim 1, wherein part of the second heat sink (3) is bent near the inner end of the heat dissipation cavity (6) to form a guide portion (31).

3. A heat radiation structure of a generator inverter assembly according to claim 1 or 2, characterized in that the middle of both the first heat radiation fins (2) is provided with a protruding section (21) protruding towards the heat radiation cavity (6), the protruding section (21) being abutted against the heat radiation fan (7) or a gap is provided between the protruding section (21) and the heat radiation fan (7).

4. A heat dissipating structure of a generator inverter assembly according to claim 3, wherein said protruding section (21) is V-shaped, and wherein the bottom of said V-shape of said protruding section (21) has a reinforcing rib (8).

5. The heat radiation structure of a generator inverter assembly according to claim 1 or 2, wherein the heat radiation plate (1) is in a long strip shape, and the first heat radiation fin (2) and the second heat radiation fin (3) are arranged along a length direction of the heat radiation plate (1).

6. The heat radiation structure of the generator inverter assembly according to claim 1 or 2, wherein a plurality of fixing columns (9) are fixedly connected in the heat radiation cavity (6), the height of the fixing columns (9) is smaller than the heights of the first heat radiation fins (2) and the second heat radiation fins (3), the heat radiation fan (7) is fixedly connected with the fixing columns (9), the heat radiation fan (7) and the heat radiation plate (1) are separated through the fixing columns (9), and the heat radiation fan (7) is partially positioned in the heat radiation cavity (6).