Heat dissipation device of grid-forming type grid-connected inverter

Abstract

The utility model relates to the technical field of inverter production and processing, and discloses a heat dissipation device of a grid-forming type grid-connected inverter, which comprises an inverter body, a power supply assembly is arranged on the inner wall of the inverter body, a fan is fixedly connected to the outer wall of the power supply assembly, a fixing rod is fixedly connected to the outer wall of the fan, and the fixing rod is fixedly connected to the outer wall of the inverter body. The outer wall of the fixing rod is fixedly connected to the inner wall of the inverter body, the inner wall of the inverter body is fixedly connected with a fixing plate, and the outer wall of the fixing plate is provided with a heat dissipation assembly. According to the utility model, the first holes and the second holes can improve the exchange between the interior of the inverter body and the outside air, so that the cooling effect of the cooling fins can be improved, and through the mutual cooperation of the fan, the cooling fins, the first holes and the second holes, the problem that the working solution needs to be frequently replaced when a traditional heat pipe is used for heat dissipation is solved; and therefore, the effect of improving the heat dissipation efficiency of the inverter body can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to inverter production and processing technical field especially relates to the heat abstractor of network type grid connected inverter. BACKGROUND

[0002] The basic working principle of inverter is to use the switching characteristic of power electronic devices such as transistor, field effect transistor, thyristor etc., to convert DC into AC of different frequency and voltage through a series of switching actions.

[0003] The existing inverter heat abstractor usually adopts heat pipe heat dissipation, is composed of pipe shell, liquid absorbing core and end cover, is filled with working liquid in the inside, and this heat abstractor has simple structure, and the cost is relatively low, but the heat dissipation performance is poor, and the working liquid needs to be replaced frequently, greatly reduces the working efficiency of heat abstractor. UTILITY MODEL CONTENTS

[0004] In order to make up for the above insufficient, the utility model provides the heat abstractor of network type grid connected inverter, aims at improving the existing inverter heat abstractor usually adopts heat pipe heat dissipation, the heat dissipation performance is poor, and the working liquid needs to be replaced frequently, greatly reduces the working efficiency of heat abstractor problem.

[0005] In order to realize the above purpose, the utility model provides the following technical scheme:

[0006] The heat abstractor of network type grid connected inverter, including inverter body, the inner wall of inverter body is provided with power supply assembly, the outer wall of power supply assembly is fixedly connected with fan, the outer wall of fan is fixedly connected with fixed link, the outer wall of fixed link is fixedly connected in the inner wall of inverter body, the inner wall of inverter body is fixedly connected with fixed plate, and the outer wall of fixed plate is provided with heat dissipation assembly.

[0007] Preferably, the power supply assembly includes a power supply, the outer wall of the power supply is fixedly connected to the inner wall of the inverter body, the inner wall of the power supply is fixedly connected to a connecting line, and the outer wall of the connecting line is fixedly connected to the inner wall of the fan.

[0008] Preferably, the heat dissipation assembly includes a heat sink, the outer wall of the fixed plate is fixedly connected to the outer wall of the heat sink, and the inner wall of the fixed plate is provided with a first hole.

[0009] Preferably, the inner wall of the inverter body is provided with a second hole.

[0010] Preferably, the outer wall of the inverter body is fixedly connected to a silica gel plate.

[0011] Preferably, the outer wall of the inverter body is fixedly connected to a handle, and the outer wall of the handle is provided with an anti-skid ring.

[0012] Preferably, the outer wall of the inverter body is fixedly connected with a shell, the inner wall of the shell is provided with a sliding assembly, the outer wall of the sliding assembly is provided with a spring, the outer wall of the spring is arranged on the inner wall of the shell, the outer wall of the sliding assembly is slidably connected with a connecting plate, the lower surface of the connecting plate is fixedly connected with a rotating plate, the inner wall of the rotating plate is fixedly connected with a protective net, and the inner wall of the rotating plate is provided with a supporting assembly.

[0013] Preferably, the sliding assembly comprises a sliding column, the outer wall of the sliding column is slidably connected with the inner wall of the shell, the outer wall of the sliding column is fixedly connected with a handle, the outer wall of the handle is slidably connected with the inner wall of the shell, the outer wall of the sliding column is slidably connected with the inner wall of the connecting plate, and the outer wall of the sliding column is arranged on the outer wall of the spring.

[0014] Preferably, the supporting assembly comprises a supporting column, the inner wall of the rotating plate is rotatably connected with the outer wall of the supporting column, the outer wall of the supporting column is fixedly connected with a supporting block, and the outer wall of the supporting block is fixedly connected with the outer wall of the inverter body.

[0015] Preferably, the inner wall of the shell is provided with a sliding groove, and the handle is slidably connected with the inner wall of the shell through the sliding groove.

[0016] The inverter body has the following beneficial effects:

[0017] 1. In the inverter body, the heat generated during the operation of the inverter body is first absorbed by the heat dissipation fins, and then the heat dissipation fins are cooled by the fan. The first hole and the second hole can improve the exchange between the inside of the inverter body and the outside air, thereby improving the cooling effect of the heat dissipation fins. Through the cooperation between the fan, the heat dissipation fins, the first hole and the second hole, the problem of traditional heat pipe heat dissipation that requires frequent replacement of working fluid is improved, and the heat dissipation efficiency of the inverter body is improved.

[0018] 2. In the inverter body, the sliding handle drives the sliding column to slide on the inner wall of the shell. When the sliding column slides, the spring is compressed. When the handle is slid to the appropriate position, the handle is fixed on the inner wall of the sleeve. At this time, the connecting plate is rotated. Since the connecting plate and the rotating plate are fixedly connected, the rotating plate can be quickly opened, the time cost required for maintenance of the inverter body in the later period is reduced, and the working efficiency of the inverter body is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The utility model provides a three -dimensional structure schematic diagram of heat dissipation device of network type grid connected inverter is to the utility model;

[0020] Figure 2The utility model provides a fan local structure schematic view of the heat dissipation device of grid type grid-connected inverter.

[0021] Figure 3 For Figure 2 The enlarged schematic view of position A in the middle;

[0022] Figure 4 The utility model provides a support column local structure schematic view of the heat dissipation device of grid type grid-connected inverter.

[0023] Figure 5 For Figure 4 The enlarged schematic view of position B in the middle.

[0024] Legend:

[0025] 1, inverter body;2, power supply;3, connecting line;4, fan;5, fixed rod;6, fixed plate;7, fin;8, first hole;9, second hole;10, silica gel plate;11, cover;12, sliding column;13, handle;14, spring;15, sliding slot;16, connecting plate;17, rotating plate;18, protective net;19, support column;20, support block;21, handle;22, antiskid ring. Specific implementation

[0026] The technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the specification of the utility model, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0027] Referring to Figures 1-3 , the utility model provides an embodiment: the heat dissipation device of grid type grid-connected inverter, including inverter body 1, the inner wall of inverter body 1 is provided with power supply assembly, the outer wall of power supply assembly is fixedly connected with fan 4, the outer wall of fan 4 is fixedly connected with fixed rod 5, the outer wall of fixed rod 5 is fixedly connected in the inner wall of inverter body 1, the inner wall of inverter body 1 is fixedly connected with fixed plate 6, and the outer wall of fixed plate 6 is provided with heat dissipation assembly;

[0028] Specifically, power supply assembly is used to provide power for fan 4, inverter body 1 is used to support fixed plate 6, inverter body 1 is used to support fixed rod 5, and fixed rod 5 is used to support fan 4.

[0029] Referring to Figures 1-3The power supply assembly includes a power supply 2, the outer wall of the power supply 2 is fixedly connected to the inner wall of the inverter body 1, the inner wall of the power supply 2 is fixedly connected with a connecting wire 3, and the outer wall of the connecting wire 3 is fixedly connected to the inner wall of a fan 4; the heat dissipation assembly includes a heat dissipation fin 7, the outer wall of a fixed plate 6 is fixedly connected to the outer wall of the heat dissipation fin 7, and the inner wall of the fixed plate 6 is provided with a first hole 8; the inner wall of the inverter body 1 is provided with a second hole 9; the outer wall of the inverter body 1 is fixedly connected with a silica gel plate 10; the outer wall of the inverter body 1 is fixedly connected with a handle 21, and the outer wall of the handle 21 is provided with an anti-skid ring 22;

[0030] Specifically, the heat dissipation fin 7 is used for absorbing heat generated during the operation of the inverter body 1, the fan 4 is used for cooling the heat dissipation fin 7, the first hole 8 and the second hole 9 are used for improving the overall heat dissipation effect of the inverter body 1, the silica gel plate 10 is used for providing a certain buffer protection for the inverter body 1 when the inverter body 1 is placed, the anti-skid ring 22 is used for facilitating the movement of the inverter body 1 by the operator, and the fan 4, the heat dissipation fin 7, the first hole 8 and the second hole 9 are cooperated with each other, so as to improve the heat dissipation effect of the inverter body 1.

[0031] Referring to Figure 4 and Figure 5 The outer wall of the inverter body 1 is fixedly connected with a sleeve 11, the inner wall of the sleeve 11 is provided with a sliding assembly, the outer wall of the sliding assembly is provided with a spring 14, the outer wall of the spring 14 is arranged on the inner wall of the sleeve 11, the outer wall of the sliding assembly is slidingly connected with a connecting plate 16, the lower surface of the connecting plate 16 is fixedly connected with a rotating plate 17, the inner wall of the rotating plate 17 is fixedly connected with a protective net 18, and the inner wall of the rotating plate 17 is provided with a supporting assembly; the sliding assembly includes a sliding column 12, the outer wall of the sliding column 12 is slidingly connected to the inner wall of the sleeve 11, the outer wall of the sliding column 12 is fixedly connected with a handle 13, the outer wall of the handle 13 is slidingly connected to the inner wall of the sleeve 11, the outer wall of the sliding column 12 is slidingly connected to the inner wall of the connecting plate 16, and the outer wall of the sliding column 12 is arranged on the outer wall of the spring 14; the supporting assembly includes a supporting column 19, the inner wall of the rotating plate 17 is rotatably connected to the outer wall of the supporting column 19, the outer wall of the supporting column 19 is fixedly connected with a supporting block 20, and the outer wall of the supporting block 20 is fixedly connected to the outer wall of the inverter body 1; the inner wall of the sleeve 11 is provided with a sliding groove 15, and the handle 13 is slidingly connected to the inner wall of the sleeve 11 through the sliding groove 15;

[0032] Specifically, the sliding handle 13, through the fixed action of the handle 13 and the sliding column 12, will drive the sliding column 12 to slide, and the sliding column 12 will compress the spring 14 in cooperation with the sleeve shell 11 when sliding, when the handle 13 is slid to the appropriate position, rotate the handle 13 to fix the handle 13 on the inner wall of the sleeve shell 11, at this time, rotate the connecting plate 16, through the fixed action of the connecting plate 16 and the rotating plate 17, will drive the rotating plate 17 to rotate on the outer wall of the supporting column 19, and then realize the effect of quickly opening the rotating plate 17 by the sliding handle 13, which is convenient for later maintenance of the internal parts of the inverter body 1.

[0033] Working principle: the heat dissipation device of the network type grid-connected inverter first absorbs the heat generated by the inverter body 1 during operation through the heat dissipation fin 7, then controls the fan 4 to open for cooling the heat dissipation fin 7 through the power supply 2 and the connecting line 3, improves the air circulation between the inverter body 1 and the outside through the first hole 8 and the second hole 9, and through the cooperation between the heat dissipation fin 7, the fan 4, the first hole 8 and the second hole 9, the heat dissipation performance of the inverter body 1 during operation is improved; the sliding handle 13 drives the sliding column 12 to move, and the sliding column 12 will compress the spring 14 when moving in cooperation with the sleeve shell 11, after the handle 13 is slid to the appropriate position, rotate the handle 13 to fix the handle 13 on the inner wall of the sleeve shell 11 through the sliding groove 15, then rotate the connecting plate 16, which will drive the rotating plate 17 to rotate when rotating, and then achieve the effect of quickly opening the rotating plate 17 for maintenance of the internal electronic parts of the inverter body 1, finally, the heat dissipation device of the network type grid-connected inverter not only can improve the overall heat dissipation effect of the inverter body 1 through the cooperation between the fan 4, the heat dissipation fin 7, the first hole 8 and the second hole 9, but also can quickly open the rotating plate 17 through the sliding handle 13, thereby reducing the time cost required for later maintenance of the inverter body 1.

[0034] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A heat dissipation device for a grid-tied inverter of a grid-forming type, characterized in that: The heat dissipation device includes an inverter body (1), the inner wall of the inverter body (1) is provided with a power supply assembly, the outer wall of the power supply assembly is fixedly connected with a fan (4), the outer wall of the fan (4) is fixedly connected with a fixed rod (5), the outer wall of the fixed rod (5) is fixedly connected to the inner wall of the inverter body (1), the inner wall of the inverter body (1) is fixedly connected with a fixed plate (6), and the outer wall of the fixed plate (6) is provided with a heat dissipation assembly.

2. The heat dissipation device of the network-forming grid-connected inverter according to claim 1, characterized in that: The power supply assembly includes a power supply (2), the outer wall of the power supply (2) is fixedly connected to the inner wall of the inverter body (1), the inner wall of the power supply (2) is fixedly connected with a connecting line (3), and the outer wall of the connecting line (3) is fixedly connected to the inner wall of the fan (4).

3. The heat dissipation device of the network-forming grid-connected inverter according to claim 1, characterized in that: The heat dissipation assembly includes a heat dissipation fin (7), the outer wall of the fixed plate (6) is fixedly connected to the outer wall of the heat dissipation fin (7), and the inner wall of the fixed plate (6) is provided with a first hole (8).

4. The heat dissipation device of the network-forming grid-connected inverter according to claim 1, characterized in that: The inner wall of the inverter body (1) is provided with a second hole (9).

5. The heat dissipation device of the network-forming grid-connected inverter according to claim 1, characterized in that: The outer wall of the inverter body (1) is fixedly connected with a silica gel plate (10).

6. The heat dissipation device of the network-forming grid-connected inverter according to claim 1, characterized in that: The outer wall of the inverter body (1) is fixedly connected with a handle (21), and the outer wall of the handle (21) is provided with an anti-skid ring (22).

7. The heat dissipation device of the network-forming grid-connected inverter according to claim 1, characterized in that: The outer wall of the inverter body (1) is fixedly connected with a sleeve shell (11), the inner wall of the sleeve shell (11) is provided with a sliding assembly, the outer wall of the sliding assembly is provided with a spring (14), the outer wall of the spring (14) is arranged on the inner wall of the sleeve shell (11), the outer wall of the sliding assembly is slidingly connected with a connecting plate (16), the lower surface of the connecting plate (16) is fixedly connected with a rotating plate (17), the inner wall of the rotating plate (17) is fixedly connected with a protective net (18), and the inner wall of the rotating plate (17) is provided with a supporting assembly.

8. The heat dissipation device of the network-forming grid-connected inverter according to claim 7, characterized in that: The sliding assembly includes a sliding column (12), the outer wall of the sliding column (12) is slidingly connected to the inner wall of the sleeve shell (11), the outer wall of the sliding column (12) is fixedly connected with a handle (13), the outer wall of the handle (13) is slidingly connected to the inner wall of the sleeve shell (11), the outer wall of the sliding column (12) is slidingly connected to the inner wall of the connecting plate (16), and the outer wall of the sliding column (12) is arranged on the outer wall of the spring (14).

9. The heat dissipation device of the network-forming grid-connected inverter according to claim 7, characterized in that: The supporting assembly includes a supporting column (19), the inner wall of the rotating plate (17) is rotatably connected to the outer wall of the supporting column (19), the outer wall of the supporting column (19) is fixedly connected with a supporting block (20), and the outer wall of the supporting block (20) is fixedly connected to the outer wall of the inverter body (1).

10. The heat dissipation device of the network-forming grid-connected inverter according to claim 8, characterized in that: The inner wall of the sleeve shell (11) is provided with a sliding groove (15), and the handle (13) is slidingly connected to the inner wall of the sleeve shell (11) through the sliding groove (15). The inner wall of the sleeve shell (11) is provided with a sliding groove (15), and the handle (13) is slidingly connected to the inner wall of the sleeve shell (11) through the sliding groove (15).

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