Grid-connected inverter capable of improving heat dissipation effect

Abstract

The utility model discloses a grid-connected inverter capable of improving heat dissipation effect, which relates to the technical field of grid-connected inverters, and comprises an inverter main body and a heat extraction mechanism, the heat extraction mechanism used for rapidly extracting heat is arranged in the middle of the rear part of the inverter main body, and the heat extraction mechanism is arranged in the middle of the rear part of the inverter main body. The heat removal mechanism comprises a mounting box, a heat conducting plate, an air hole, an exhaust fan, a ventilation net and a heat conducting film, the heat conducting plate is arranged on one side in the mounting box, the air hole is formed in the middle of the surface of the heat conducting plate, and the exhaust fan is mounted in the middle of the inner side of the mounting box. Compared with an existing device, the grid-connected inverter capable of improving the heat dissipation effect has the advantages that through the heat removal mechanism, heat generated when the inverter body works can be quickly conducted and absorbed, and heat absorbed by the inverter body and the heat conduction plate can be quickly discharged outwards; therefore, the efficiency and the effect of heat conduction and heat dissipation are improved, heat accumulation can be reduced, the use effect of the grid-connected inverter is improved, and the service life of the grid-connected inverter is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of grid-connected inverters, and specifically relates to a grid-connected inverter capable of improving the heat dissipation effect. Background Technique

[0002] A grid-connected inverter (abbreviated as GTI) is a special inverter. In addition to converting direct current into alternating current, the output alternating current can be synchronized with the frequency and phase of the commercial power, so the output alternating current can return to the commercial power. Grid-connected inverters are commonly used in applications where a DC voltage source (such as a solar panel or a small wind turbine) is connected to the power grid.

[0003] When the existing grid-connected inverter is in use, its heat dissipation and cooling ability is poor. And the grid-connected inverter is a continuously working device. Therefore, it is difficult to cool down the accumulated heat for a long time, which will affect the use effect and service life of the grid-connected inverter.

[0004] Therefore, research and improvement are carried out on the existing structure and deficiencies, and a grid-connected inverter capable of improving the heat dissipation effect is provided, in order to achieve a more practical and valuable purpose. Content of the Utility Model

[0005] The purpose of the utility model is to provide a grid-connected inverter capable of improving the heat dissipation effect, so as to solve the problem that when the existing grid-connected inverter is in use, its heat dissipation and cooling ability is poor. And the grid-connected inverter is a continuously working device. Therefore, it is difficult to cool down the accumulated heat for a long time, which will affect the use effect and service life of the grid-connected inverter mentioned in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A grid-connected inverter capable of improving the heat dissipation effect, including an inverter main body and a heat dissipation mechanism. The heat dissipation mechanism for quickly dissipating heat is arranged in the middle at the rear of the inverter main body. The heat dissipation mechanism includes an installation box, a heat conduction plate, ventilation holes, an exhaust fan, a ventilation net and a heat conduction film. One side inside the installation box is provided with a heat conduction plate. The ventilation holes are opened in the middle of the surface of the heat conduction plate. The exhaust fan is installed in the middle inside the installation box, and a ventilation net is fixed on the rear surface of the installation box. The front surface of the heat conduction plate is fixedly connected with a heat conduction film.

[0007] Furthermore, a covering mechanism for facilitating maintenance is installed in the middle of the front surface of the inverter main body, and a wire dividing mechanism for wire management is arranged in the middle inside the inverter main body.

[0008] Furthermore, the covering mechanism includes a first cover plate and a hinge shaft. One side of the first cover plate is provided with a hinge shaft.

[0009] Further, the covering mechanism further includes a keyhole, and the keyhole is installed on one side of the surface of the first cover plate.

[0010] Further, the covering mechanism further includes a second cover plate, and the second cover plate is disposed below the first cover plate.

[0011] Further, the wire dividing mechanism includes a support plate and a wire passing hole, and the wire passing hole is formed in the middle of the surface of the support plate.

[0012] Further, the wire dividing mechanism further includes a sponge ring, and the sponge ring is disposed in the middle of the inner side of the wire passing hole.

[0013] Further, the sponge ring communicates with the support plate, and the outer surface of the sponge ring fits with the inner surface of the wire passing hole.

[0014] Compared with the prior art, the present utility model provides a grid-connected inverter capable of improving the heat dissipation effect, and has the following beneficial effects:

[0015] 1. Through the heat dissipation mechanism of the present utility model, it is beneficial to quickly conduct and absorb the heat generated when the inverter main body works, and can quickly discharge the heat absorbed by the inverter main body and the heat conducting plate to the outside, thereby being beneficial to improving the efficiency and effect of heat conduction and dissipation, reducing the accumulation of heat, and improving the use effect and service life of the grid-connected inverter;

[0016] 2. Through the covering mechanism of the present utility model, it is safer compared to the fixed cover plate, and at the same time, it can be opened more quickly, facilitating subsequent maintenance. Through the wire dividing mechanism, the wiring inside the inverter main body can be arranged, thereby reducing the possibility of messy entanglement and being more conducive to subsequent maintenance of the inverter main body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is an overall external three-dimensional structure schematic diagram of a grid-connected inverter capable of improving the heat dissipation effect according to the present utility model;

[0018] Figure 2 is a side view internal structure schematic diagram of the heat dissipation mechanism of a grid-connected inverter capable of improving the heat dissipation effect according to the present utility model;

[0019] Figure 3 is a front view structure schematic diagram of the support plate of a grid-connected inverter capable of improving the heat dissipation effect according to the present utility model;

[0020] Figure 4 is a three-dimensional structure schematic diagram of the wire passing hole of a grid-connected inverter capable of improving the heat dissipation effect according to the present utility model.

[0021] In the figure: 1. Inverter main body; 2. Heat dissipation mechanism; 201. Installation box; 202. Heat conducting plate; 203. Ventilation hole; 204. Exhaust fan; 205. Ventilation net; 206. Heat conducting film; 3. Covering mechanism; 301. First cover plate; 302. Hinge shaft; 303. Keyhole; 304. Second cover plate; 4. Wiring distribution mechanism; 401. Support plate; 402. Wiring through hole; 403. Sponge ring. Detailed implementation manners

[0022] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs; the terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the present utility model; the term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0024] As Figure 1 and Figure 2 shown, a grid-connected inverter capable of improving the heat dissipation effect includes an inverter main body 1 and a heat dissipation mechanism 2. The heat dissipation mechanism 2 for quickly dissipating heat is arranged in the middle at the rear of the inverter main body 1. The heat dissipation mechanism 2 includes an installation box 201, a heat conducting plate 202, a ventilation hole 203, an exhaust fan 204, a ventilation net 205 and a heat conducting film 206. A heat conducting plate 202 is arranged on one side inside the installation box 201. The ventilation hole 203 is opened in the middle of the surface of the heat conducting plate 202. The exhaust fan 204 is installed in the middle inside the installation box 201, and a ventilation net 205 is fixed on the rear surface of the installation box 201. The front surface of the heat conducting plate 202 is fixedly connected with a heat conducting film 206;

[0025] By fitting the heat conducting plate 202 and the heat conducting film 206 with the circuit board, it can be fitted after the installation box 201 and the rear of the inverter main body 1 are installed, which is beneficial to quickly conduct and absorb the heat generated when the inverter main body 1 works. Through the ventilation hole 203 and the exhaust fan 204, the heat absorbed by the inverter main body 1 and the heat conducting plate 202 can be quickly discharged outwards from the ventilation net 205, which is beneficial to improving the efficiency and effect of heat conduction and dissipation, reducing the accumulation of heat, and improving the use effect and service life of the grid-connected inverter;

[0026] As Figure 1 、 Figure 3 and Figure 4As shown in the figure, a covering mechanism 3 for facilitating maintenance is installed in the middle of the front surface of the inverter body 1. A wire splitting mechanism 4 for wire management is arranged in the middle of the inner side of the inverter body 1. The covering mechanism 3 includes a first cover plate 301 and a hinge shaft 302. One side of the first cover plate 301 is installed with the hinge shaft 302. The covering mechanism 3 further includes a keyhole 303, and the keyhole 303 is installed on one side of the surface of the first cover plate 301. The covering mechanism 3 further includes a second cover plate 304, and the second cover plate 304 is arranged on the lower side of the first cover plate 301. Through the keyhole 303 and the hinge shaft 302 of the existing structure, the first cover plate 301 can be opened when the existing key is configured, so it is safer than the fixed cover plate, and at the same time it can be opened more quickly, which is convenient for subsequent maintenance. The wire splitting mechanism 4 includes a support plate 401 and a wire passing hole 402. A wire passing hole 402 is opened in the middle of the surface of the support plate 401. The wire splitting mechanism 4 further includes a sponge ring 403, and the sponge ring 403 is arranged in the middle of the inner side of the wire passing hole 402. The sponge ring 403 communicates with the support plate 401, and the outer surface of the sponge ring 403 fits with the inner surface of the wire passing hole 402. Through the wire passing hole 402 and the sponge ring 403, the wiring inside the inverter body 1 can be arranged, so as to reduce the possibility of messy entanglement and is more conducive to the subsequent maintenance of the inverter body 1.

[0027] Working principle: When using this grid-connected inverter that can improve the heat dissipation effect, first, through the fitting of the heat conduction plate 202 and the heat conduction film 206 with the circuit board, it can be fitted after the installation box 201 and the rear of the inverter body 1 are installed, so as to quickly conduct and absorb the heat generated when the inverter body 1 works. Subsequently, through the ventilation holes 203 and the exhaust fan 204, the heat absorbed by the inverter body 1 and the heat conduction plate 202 can be quickly discharged from the ventilation net 205 to the outside. At this time, through the keyhole 303 and the hinge shaft 302 of the existing structure, the first cover plate 301 can be opened when the existing key is configured, making it faster to open during maintenance. Finally, through the wire passing hole 402 and the sponge ring 403, the wiring inside the inverter body 1 can be arranged, which is more conducive to the subsequent maintenance of the inverter body 1.

[0028] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A grid-connected inverter capable of improving heat dissipation effect, comprising an inverter body (1) and a heat dissipation mechanism (2), characterized in that: The heat dissipation mechanism (2) for rapid heat dissipation is arranged at the middle of the rear of the inverter body (1), and comprises a mounting box (201), a heat conducting plate (202), an air vent (203), an exhaust fan (204), an air permeable net (205) and a heat conducting film (206). The heat conducting plate (202) is arranged on one side of the interior of the mounting box (201), the air vent (203) is opened in the middle of the surface of the heat conducting plate (202), the exhaust fan (204) is installed in the middle of the inner side of the mounting box (201), and the air permeable net (205) is fixed to the rear surface of the mounting box (201), and the heat conducting film (206) is fixedly connected to the front surface of the heat conducting plate (202).

2. A grid-connected inverter capable of improving heat dissipation effect according to claim 1, characterized in that: A covering mechanism (3) for facilitating maintenance is installed in the middle of the front surface of the inverter body (1), and a wiring branching mechanism (4) for wiring is provided in the middle of the inner side of the inverter body (1).

3. A grid-connected inverter capable of improving heat dissipation effect according to claim 2, characterized in that: The covering mechanism (3) comprises a first cover plate (301) and a hinge shaft (302); the hinge shaft (302) is installed on one side of the first cover plate (301).

4. A grid-connected inverter capable of improving heat dissipation effect according to claim 3, characterized in that: The covering mechanism (3) further comprises a key hole (303), and a key hole (303) is installed on one side of the surface of the first cover plate (301).

5. The grid-connected inverter capable of improving heat dissipation effect according to claim 3, characterized in that: The covering mechanism (3) further comprises a second cover plate (304), and the second cover plate (304) is arranged on the lower side of the first cover plate (301).

6. The grid-connected inverter capable of improving heat dissipation effect according to claim 2, characterized in that: The wire dividing mechanism (4) comprises a support plate (401) and a wire through hole (402), and a wire through hole (402) is provided in the middle of the surface of the support plate (401).

7. A grid-connected inverter capable of improving heat dissipation effect according to claim 6, characterized in that: The wire dividing mechanism (4) further comprises a sponge ring (403), and the sponge ring (403) is arranged at the middle part of the inner side of the wire passing hole (402).

8. The grid-connected inverter capable of improving heat dissipation effect according to claim 7, characterized in that: The sponge ring (403) is connected to the support plate (401), and the outer surface of the sponge ring (403) is in contact with the inner surface of the wire hole (402).

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