CN219536691U

CN219536691U - Inverter heat radiation structure

Info

Publication number: CN219536691U
Application number: CN202320300307.8U
Authority: CN
Inventors: 覃银茂; 张欣欣; 刘明; 武兴华; 邱大罗
Original assignee: Gaoding New Energy Shenzhen Co ltd
Current assignee: Gaoding New Energy Shenzhen Co ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-08-15
Anticipated expiration: 2033-02-16

Abstract

The utility model discloses an inverter radiating structure which comprises an inverter shell and a plurality of radiating fins, wherein an inverter main board and a heat conducting shell are arranged in the inverter shell, a heat conducting silica gel sheet is arranged on the bottom surface of the heat conducting shell, the lower ends of the radiating fins are inserted into strip-shaped openings, limiting plates are arranged at the lower ends of the radiating fins, the limiting plates are inserted into the limiting openings, a plurality of first air outlets are formed in the middle of the radiating fins on the top surface of the inverter shell, and second air outlets are formed in the positions, opposite to the first air outlets, of the heat conducting shell. The utility model has simple structure, heat on the electronic element can be transferred to the heat conduction shell through the heat conduction silica gel sheet at the first time and transferred to the heat dissipation wing leaf through the heat conduction shell, the heat is transferred to the outside through the heat dissipation wing leaf, wind energy generated by the fan is discharged along the second air outlet hole and the first air outlet hole, and the discharged wind energy just contacts with the heat dissipation wing leaf from bottom to top, so that the heat on the heat dissipation wing leaf is rapidly taken away.

Description

Inverter heat radiation structure

Technical Field

The utility model relates to the technical field of inverters, in particular to an inverter heat dissipation structure.

Background

The inverter has the main function of converting direct-current electric energy into alternating current and is widely applied to various occasions such as air conditioners, home theatres, electric grinding wheels, electric tools, field operation, emergency electricity utilization, disaster relief, outdoor life and travel, yachts, illumination, medical emergency appliances and the like.

The inverter is provided with a large number of electronic elements, after long-time use, the situation of heating can be avoided, in order to increase the heat dissipation effect, the heat dissipation fin is generally installed on the inverter, but the current heat dissipation fin is generally installed outside the inverter and is not contacted or separated from the electronic elements in the inverter, so that heat on the electronic elements cannot be exported in the first time is caused, and the heat dissipation efficiency is affected.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an inverter heat dissipation structure which is in direct contact with an internal electronic element, can lead out heat on the electronic element at first time, can rapidly take away the led-out heat through a fan and greatly increases heat dissipation efficiency.

The utility model is realized by the following technical scheme: the utility model provides an inverter heat radiation structure, includes inverter housing and polylith heat dissipation wing leaf, inverter housing's internally mounted has inverter mainboard and heat conduction shell, the inverter mainboard sets up in heat conduction shell below, install the heat conduction silica gel piece on the bottom surface of heat conduction shell, component on the inverter mainboard all imbeds the bottom of heat conduction silica gel piece, be equipped with many bar mouths on the top surface of inverter housing axially, bar mouths lower half all outwards expand and form spacing mouthful, the heat dissipation wing leaf lower extreme all inserts in the bar mouths, the limiting plate is all installed to the heat dissipation wing leaf lower extreme, the limiting plate all inserts in the spacing mouths, positioning mechanism is all installed at the both ends of limiting plate, the top surface of inverter housing is located the heat dissipation wing leaf intermediate part and all axially is equipped with a plurality of first apopores, the heat conduction shell just is just to first apopore department all is equipped with the second apopore, the one end of inverter housing is equipped with the rectangular mouth, the heat conduction shell just inwards reduces the air inlet portion in rectangular mouth department, the air inlet portion all passes the rectangular mouth and extends to external world, fan is installed to the one end of air inlet portion.

As the preferred technical scheme, positioning mechanism all includes pull block, locating lever and spring, and the both ends of limiting plate all are equipped with the shaft hole, and the heat conduction shell just is equipped with the locating hole to shaft hole department, and locating lever one end all passes in the shaft hole inserts corresponding locating hole, and the locating lever other end all with pull block fixed connection, the spring all overlaps and locates on the locating lever, and spring one end all installs on pulling block, and the other end all installs on the limiting plate, and the bottom surface of limiting plate all contacts with heat conduction shell top surface.

As the preferable technical scheme, the filter screen is arranged in the first air outlet holes.

As a preferable technical scheme, a rubber layer is arranged on the inner wall surface of the rectangular opening, and the inner side surface of the rubber layer is contacted with the outer side surface of the air inlet part.

As the preferable technical scheme, the materials of the heat conducting shell and the limiting plate are matched with the materials of the heat radiating fin blades.

The beneficial effects of the utility model are as follows: the heat conducting shell is arranged in the inverter shell and is directly contacted with the electronic element through the heat conducting silica gel sheet, heat on the electronic element can be transferred into the heat conducting shell through the heat conducting silica gel sheet at first time and into the heat radiating fin blade through the heat conducting shell, the heat is transferred to the outside through the heat radiating fin blade, in the heat radiating process, the fan can be started, wind energy generated by the fan is discharged along the second air outlet hole and the first air outlet hole, and the discharged wind energy is just contacted with the heat radiating fin blade from bottom to top, so that the heat on the heat radiating fin blade is rapidly taken away, and the heat radiating effect is greatly improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a top view of the present utility model with the heat dissipating fins and limiting plates removed;

FIG. 3 is a schematic view of a heat conductive shell according to the present utility model;

fig. 4 is a schematic structural view of a positioning mechanism in the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the inverter radiating structure of the utility model comprises an inverter shell 1 and a plurality of radiating fins 2, wherein an inverter main board 8 and a heat conducting shell 3 are arranged in the inverter shell 1, the inverter main board 8 is arranged below the heat conducting shell 3, a heat conducting silica gel sheet 7 is arranged on the bottom surface of the heat conducting shell 3, elements on the inverter main board 8 are embedded in the bottom of the heat conducting silica gel sheet 7, a plurality of strip-shaped openings 12 are axially arranged on the top surface of the inverter shell 1, the lower half parts of the strip-shaped openings 12 are outwards expanded to form limit openings, the lower ends of the radiating fins 2 are inserted into the strip-shaped openings 12, limiting plates 4 are arranged at the lower ends of the radiating fins 2, the limiting plates 4 are inserted into the limit openings, positioning mechanisms are arranged at the two ends of the limiting plates 4, a plurality of first air outlet holes 6 are axially arranged at the middle of the radiating fins on the top surface of the inverter shell 1, a second air outlet 5 is axially arranged at the position of the heat conducting shell 3, one end of the inverter shell 1 is provided with a rectangular opening, the rectangular opening right opposite to the top surface of the heat conducting shell 3 is opposite to the first air outlet, the rectangular opening is opposite to the rectangular opening, the rectangular opening 3 is opposite to the rectangular opening 9 is formed, the rectangular opening is opposite to the rectangular opening 9, and the air inlet 9 is extended to the outside 9 is formed to the outside, and the air inlet 9 is extended to the outside.

In this embodiment, positioning mechanism all includes pull block 14, locating lever 16 and spring 15, and the both ends of limiting plate 4 all are equipped with the shaft hole, and heat conduction shell 3 just is equipped with locating hole 13 to shaft hole department, and locating lever 16 one end all passes in the shaft hole inserts corresponding locating hole 13, and the locating lever 16 other end all with pull block 14 fixed connection, spring 15 all overlaps and locates on the locating lever 16, and spring 15 one end all installs on pull block 14, and the other end all installs on limiting plate 4, and the bottom surface of limiting plate 4 all contacts with heat conduction shell 3 top surface.

In this embodiment, all install the filter screen in the first air outlet 6, can block the dust through the filter screen, avoided external dust to enter into in the heat conduction shell.

In this embodiment, install the rubber layer on the internal face of rectangle mouth, the medial surface of rubber layer contacts with the lateral surface of air inlet portion 9, has increased the leakproofness between air inlet portion and the rectangle mouth through the rubber layer, has avoided external dust to enter into in the dc-to-ac converter casing.

In this embodiment, the materials of the heat conducting shell 3 and the limiting plate 4 are matched with the materials of the heat dissipation fin 2, so that the heat conducting effects are the same.

The heat conducting shell is arranged in the inverter shell, can absorb heat in the inverter shell better, is directly contacted with the electronic element through the heat conducting silica gel sheet, and can transfer heat on the electronic element to the heat conducting shell through the heat conducting silica gel sheet at first time, and is transferred to the heat radiating fin blade through the heat conducting shell, and the heat is transferred to the outside through the heat radiating fin blade;

the fan can be started in the use process, wind energy generated by the fan blows into the heat conducting shell along the air inlet part and is discharged through the second air outlet hole and the first air outlet hole, the discharged wind energy just contacts with the heat radiating fin blade from bottom to top, heat on the heat radiating fin blade is taken away rapidly through wind energy, and the heat radiating effect is greatly improved.

After the locating rod is pulled upwards, the locating rod can be pulled out of the locating hole, at this time, the limiting plate can be pulled to one side along the limiting opening and the strip-shaped opening, so that the limiting plate can be taken down from the inverter shell, and the inverter shell can be replaced and detached.

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims

1. An inverter heat radiation structure which is characterized in that: including inverter housing (1) and polylith heat dissipation wing leaf (2), inverter housing (1) internally mounted has inverter mainboard (8) and heat conduction shell (3), inverter mainboard (8) set up in heat conduction shell (3) below, install heat conduction silica gel piece (7) on the bottom surface of heat conduction shell (3), component on inverter mainboard (8) all imbeds the bottom of heat conduction silica gel piece (7), be equipped with many bar mouth (12) on inverter housing (1) the top surface axial, bar mouth (12) lower half all outwards expands and forms spacing mouth, heat dissipation wing leaf (2) lower extreme all inserts in bar mouth (12), limiting plate (4) are all installed to heat dissipation wing leaf (2) lower extreme, limiting plate (4) all insert in the spacing mouth, positioning mechanism is all installed at the both ends of limiting plate (4), the top surface of inverter housing (1) is located the equal axial in heat dissipation wing leaf middle part and is equipped with a plurality of first apopore (6), inverter housing (3) are just to first apopore department all is equipped with second apopore (5), rectangle housing (3) are just to be equipped with rectangle mouth (9) and are just to the outside of the department of forming air inlet (9), rectangle housing (9) are just to the department of reducing air inlet (9), the department is just to outside is formed to rectangle housing (9).

2. The inverter heat dissipation structure as defined in claim 1, wherein: the positioning mechanism comprises a pull block (14), a positioning rod (16) and a spring (15), shaft holes are formed in the two ends of the limiting plate (4), positioning holes (13) are formed in the positions, opposite to the shaft holes, of the heat conducting shell (3), one end of the positioning rod (16) is inserted into the corresponding positioning holes (13) through the shaft holes, the other end of the positioning rod (16) is fixedly connected with the pull block (14), the spring (15) is sleeved on the positioning rod (16), one end of the spring (15) is mounted on the pull block (14), the other end of the spring is mounted on the limiting plate (4), and the bottom surface of the limiting plate (4) is in contact with the top surface of the heat conducting shell (3).

3. The inverter heat dissipation structure as defined in claim 1, wherein: a filter screen is arranged in each first air outlet hole (6).

4. The inverter heat dissipation structure as defined in claim 1, wherein: a rubber layer is arranged on the inner wall surface of the rectangular opening, and the inner side surface of the rubber layer is contacted with the outer side surface of the air inlet part (9).

5. The inverter heat dissipation structure as defined in claim 1, wherein: the heat conducting shell (3) and the limiting plate (4) are made of materials matched with the heat radiating fin (2).