An electric appliance box assembly of a range hood and the range hood

Abstract

The utility model discloses an electric appliance box subassembly and range hood of range hood, electric appliance box subassembly of range hood includes electric appliance box, including box body, is established in the accommodation cavity in box body, the first side of box body is established with the air inlet, the second side of box body is established with the air outlet, is provided with the volute of integral moulding with box body on box body, forms the air chamber in the volute, the air chamber is linked together with the air outlet, the upside of air chamber has the installation opening, the downside of air chamber is established with the air intake that communicates with the accommodation cavity. The heat dissipation fan is installed in the air chamber and is connected with box body. The main control board is installed in the accommodation cavity. The utility model puts forward an electric appliance box subassembly of range hood, is directly integral moulding and is provided with the volute on the electric appliance box to make the heat dissipation fan can be installed in the air chamber formed in the volute directly, thereby simplifying the structure of heat dissipation fan, the installation of heat dissipation fan is convenient, makes the electric appliance box subassembly more compact, and has better heat dissipation effect.

Description

Technical Field

[0001] This utility model relates to the field of kitchen appliance technology, and in particular to an electrical box assembly and a range hood. Background Technology

[0002] When the air volume and maximum static pressure of the range hood increase, the power of the main motor will increase accordingly. The main control board located in the electrical box will generate more heat. If the heat cannot be dissipated quickly, the main control board will malfunction due to poor heat dissipation.

[0003] Therefore, there is an urgent need for an electrical box assembly for range hoods to solve the above problems. Utility Model Content

[0004] This utility model aims to at least partially solve one of the problems existing in the prior art. To this end, this utility model proposes an electrical box assembly for a range hood. By directly and integrally forming a volute on the electrical box, the cooling fan can be directly installed in the air cavity formed inside the volute, thereby simplifying the structure of the cooling fan, facilitating the installation of the cooling fan, making the electrical box assembly more compact, and having a better heat dissipation effect.

[0005] The above objectives are achieved through the following technical solutions:

[0006] An electrical box assembly for a range hood includes:

[0007] An electrical box includes a box body, a receiving cavity is provided inside the box body, an air inlet is provided on a first side of the box body, an air outlet is provided on a second side of the box body, a volute is provided on the box body integrally formed with the box body, an air cavity is formed inside the volute, the air cavity is connected to the air outlet, an installation opening is provided on the upper side of the air cavity, and an air inlet connected to the receiving cavity is provided on the lower side of the air cavity;

[0008] A cooling fan is installed in the air cavity and connected to the box body;

[0009] The main control board is installed inside the accommodating cavity.

[0010] Optionally, the cooling fan includes:

[0011] The fan body is housed within the air cavity;

[0012] A cover is provided on the upper side of the fan body and connected to the box body. The fan body is connected to the cover. The cover is provided at the installation opening and covers the installation opening.

[0013] Optionally, the cover is provided with a connecting part, and the fan body is mounted on the cover through the connecting part.

[0014] Optionally, the upper end of the volute is provided with a downwardly recessed step, and the periphery of the cover is mounted on the step.

[0015] Optionally, the upper side of the cover is flush with the upper side of the box body.

[0016] Optionally, it may also include a first oil mesh disposed at the air inlet and / or a second oil mesh disposed at the air outlet.

[0017] Optionally, it also includes a rectifier bridge disposed on the main control board, the rectifier bridge being located below the air cavity.

[0018] Optionally, it also includes a heat sink, which is mounted on the main control board and located on one side of the rectifier bridge, and the heat sink is disposed below the air inlet.

[0019] Another aspect of this utility model provides a range hood, including the electrical box assembly of the range hood described above.

[0020] Optionally, the device includes a chassis and a range hood fan, with the range hood fan installed inside the chassis and the electrical box assembly mounted on the top plate structure of the chassis.

[0021] Compared with the prior art, the present invention has at least the following beneficial effects:

[0022] The electrical box assembly of the range hood provided by this utility model has a volute integrally formed on the electrical box, which allows the cooling fan to be directly installed in the air cavity formed inside the volute. This simplifies the structure of the cooling fan, facilitates its installation, makes the electrical box assembly more compact, and provides better heat dissipation. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the electrical box assembly provided in a specific embodiment of the present invention installed on the top plate structure of the range hood's casing;

[0024] Figure 2 yes Figure 1 Exploded view;

[0025] Figure 3 This is an assembly diagram of the electrical box, cooling fan, first oil filter, and second oil filter provided in a specific embodiment of this utility model;

[0026] Figure 4 yes Figure 3 Exploded view;

[0027] Figure 5This is a three-dimensional structural diagram of the cover shell of the electrical box assembly provided in a specific embodiment of this utility model;

[0028] Figure 6 yes Figure 3 Top view;

[0029] Figure 7 yes Figure 6 Sectional view at point AA.

[0030] In the picture:

[0031] 1. Electrical box; 11. Box body; 10. Receptacle; 12. Air inlet; 13. Air outlet; 14. Volute; 140. Air cavity; 141. Step; 1401. Air inlet; 1402. Mounting opening;

[0032] 2. Top slab structure;

[0033] 3. Main control board;

[0034] 4. Rectifier bridge;

[0035] 5. Radiator;

[0036] 6. Cooling fan; 61. Fan body; 62. Cover; 621. Connecting part;

[0037] 71. First oil mesh; 72. Second oil mesh. Detailed Implementation

[0038] The following embodiments illustrate the present invention, but the present invention is not limited to these embodiments. Modifications to the specific implementation of the present invention or equivalent substitutions for some technical features, without departing from the spirit of the present invention, should all be covered within the scope of the technical solution claimed by the present invention.

[0039] Please refer to Figures 1-7This utility model provides an electrical box assembly for a range hood, including an electrical box 1, a cooling fan 6, and a main control board 3. The electrical box 1 includes a box body 11, with a receiving cavity 10 inside. An air inlet 12 is provided on the first side of the box body 11, and an air outlet 13 is provided on the second side. A volute 14 integrally formed with the box body 11 is provided on the box body 11, forming an air cavity 140 inside the volute 14. The air cavity 140 communicates with the air outlet 13. An installation opening 1402 is provided on the upper side of the air cavity 140, and an air inlet 1401 communicating with the receiving cavity 10 is provided on the lower side of the air cavity 140. The cooling fan 6 is installed in the air cavity 140 and connected to the box body 11. The cooling fan 6 is installed into the air cavity 140 via the installation opening 1402. The main control board 3 is installed within the receiving cavity 10. When the electrical box assembly is working, the main control board 3 runs and the cooling fan 6 runs, drawing in the cold air outside the electrical box 1 through the air inlet 12 into the accommodating cavity 10, and drawing the hot air generated by the main control board 3 into the air cavity 140 through the air inlet 1401, and then sending it out through the air outlet 13, thereby achieving the heat dissipation effect on the electrical box 1.

[0040] The electrical box assembly of the range hood provided by this utility model has a volute 14 integrally formed on the electrical box 1, so that the cooling fan 6 can be directly installed in the air cavity 140 formed inside the volute 14. This simplifies the structure of the cooling fan 6, facilitates the installation of the cooling fan 6, makes the electrical box assembly more compact, and has a better heat dissipation effect.

[0041] Optionally, the volute 14 is located on the upper part of the box body 11, and the main control board 3 is located below the air inlet 1401.

[0042] Optionally, the cooling fan 6 includes a fan body 61 and a cover 62. The fan body 61 is disposed within the air cavity 140. The cover 62 covers the upper side of the fan body 61 and is connected to the housing body 11. The fan body 61 is connected to the cover 62, and the cover 62 is disposed at and covers the mounting opening 1402. The cover 62 confines the fan body 61 within the air cavity 140, resulting in a simple structure and good stability.

[0043] Optionally, the cover 62 is provided with a connecting part 621, and the fan body 61 is mounted on the cover 62 through the connecting part 621.

[0044] Optionally, the upper end of the volute 14 is provided with a downwardly recessed step 141, and the periphery of the cover 62 is installed on the step 141 by screws, so as to realize the installation of the cover 62 on the box body 11.

[0045] Optionally, the upper side of the cover 62 is flush with the upper side of the box body 11, so as to make the external structure of the electrical box 1 simpler and reduce the accumulation of oil fumes between the cover 62 and the box body 11.

[0046] Optionally, the system also includes a first oil filter 71 disposed at the air inlet 12 and / or a second oil filter 72 disposed at the air outlet 13. The first oil filter 71 is used to filter oil fumes in the cold air outside the electrical box 1 and to block the air inlet 12 to reduce the entry of foreign objects into the receiving cavity 10 through the air inlet 12. The second oil filter 72 is used to further filter the air discharged from the electrical box 1 and to block the air outlet 13 to reduce the entry of foreign objects into the receiving cavity 10 through the air outlet 13.

[0047] Optionally, it also includes a rectifier bridge 4 disposed on the main control board 3. The rectifier bridge 4 is located below the air cavity 140 to facilitate heat dissipation of the rectifier bridge 4.

[0048] Optionally, it also includes a heat sink 5, which is mounted on the main control board 3 and located on one side of the rectifier bridge 4. The heat sink 5 is located below the air inlet 1401. The heat sink 5 is used to dissipate heat from the main control board 3 and the rectifier bridge 4. The heat absorbed by the heat sink 5 then flows through the air inlet 1401 into the air cavity 140, and then flows out of the electrical box 1 through the air outlet 13.

[0049] Another aspect of this utility model provides a range hood, including the electrical box assembly of the range hood described above.

[0050] Optionally, the system includes a chassis and a range hood fan, with the range hood fan installed inside the chassis and the electrical box assembly installed on the top plate structure 2 of the chassis.

[0051] The above descriptions are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and all such modifications and improvements fall within the protection scope of this utility model.

Claims

1. An electrical box assembly for a range hood, characterized in that, include: An electrical box (1) includes a box body (11), a receiving cavity (10) is provided inside the box body (11), an air inlet (12) is provided on the first side of the box body (11), an air outlet (13) is provided on the second side of the box body (11), a volute (14) integrally formed with the box body (11) is provided on the box body (11), a wind cavity (140) is formed inside the volute (14), the wind cavity (140) is connected to the air outlet (13), the upper side of the wind cavity (140) has an installation opening (1402), and the lower side of the wind cavity (140) has an air inlet (1401) connected to the receiving cavity (10); A cooling fan (6) is installed in the air cavity (140) and connected to the box body (11); The main control board (3) is installed in the accommodating cavity (10).

2. The electrical box assembly of the range hood according to claim 1, characterized in that, The cooling fan (6) includes: The fan body (61) is disposed inside the air cavity (140); A cover (62) is placed on the upper side of the fan body (61) and connected to the box body (11). The fan body (61) is connected to the cover (62). The cover (62) is located at the mounting opening (1402) and covers the mounting opening (1402).

3. The electrical box assembly of the range hood according to claim 2, characterized in that, The cover (62) is provided with a connecting part (621), and the fan body (61) is installed on the cover (62) through the connecting part (621).

4. The electrical box assembly of the range hood according to claim 2, characterized in that, The upper end of the volute (14) is provided with a downwardly recessed step (141), and the periphery of the cover (62) is mounted on the step (141).

5. The electrical box assembly of the range hood according to claim 4, characterized in that, The upper side of the cover (62) is flush with the upper side of the box body (11).

6. The electrical box assembly of the range hood according to any one of claims 1-5, characterized in that, It also includes a first oil mesh (71) disposed at the air inlet (12) and / or a second oil mesh (72) disposed at the air outlet (13).

7. The electrical box assembly of the range hood according to any one of claims 1-5, characterized in that, It also includes a rectifier bridge (4) disposed on the main control board (3), the rectifier bridge (4) being located below the air cavity (140).

8. The electrical box assembly of the range hood according to claim 7, characterized in that, It also includes a heat sink (5), which is mounted on the main control board (3) and located on one side of the rectifier bridge (4), and the heat sink (5) is located below the air inlet (1401).

9. A range hood, characterized in that, Includes the electrical box assembly of the range hood as described in any one of claims 1-8.

10. The range hood according to claim 9, characterized in that, It includes a chassis and a range hood fan, with the range hood fan installed inside the chassis and the electrical box assembly installed on the top plate structure (2) of the chassis.

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