Range hood

Abstract

The utility model relates to a range hood, which comprises an oil smoke suction device, an oil smoke exhaust device and a smoke exhaust device, the outdoor host device is arranged outdoors and comprises a box body, a fan system and a control box, and the fan system is arranged in the box body and is in fluid communication with the oil smoke suction device; the control box comprises a box body and a control panel arranged in the box body, and further comprises a cooling device used for cooling the box body and / or the control panel. The box body of the control box and / or the control panel are / is cooled through the cooling device, the problem that due to long-time operation, heat cannot be dissipated in time, and an outdoor host device breaks down is solved, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen appliances, in particular to a range hood. Background Art

[0002] A range hood is a kitchen appliance that purifies the kitchen environment. For example, the invention patent application with application publication number CN202010923493.1 discloses a multi-type range hood and a control method thereof. The multi-type range hood includes: an outdoor range hood main unit, multiple indoor terminal units, a main air duct, multiple branch air ducts, and a detection module. After obtaining information that at least one indoor terminal unit in the kitchen is in working condition, the main control box can control the fan to start exhaust at a preset initial speed. The fumes in the kitchen are drawn into the indoor terminal unit and merged into the main air duct through the branch air duct, and then discharged into the atmosphere after being processed by the outdoor range hood main unit.

[0003] However, the above-mentioned multi-stage intelligent range hood still has certain shortcomings. Since the outdoor host of the multi-stage intelligent range hood is usually placed in an outdoor environment, electrical components such as an integrated circuit board and a terminal board are arranged in the electrical control box of the outdoor unit to realize the connection and control with the indoor unit, and also a power interface that can realize electrical connection with an external power supply. When the outdoor host is working, the electrical components will generate heat. In particular, when the outdoor host runs for too long, the electrical components will accumulate more heat. If this heat cannot be dissipated in time, the host is prone to hidden dangers such as failure, and the life of the control board will be shortened, seriously affecting its performance. On the other hand, the electrical control box of the host of the range hood placed outdoors also needs to be rainproof to avoid rainwater infiltration that seriously affects the service life and safety.

[0004] Therefore, existing range hoods need further improvement. Utility Model Content

[0005] The first technical problem to be solved by the utility model is to provide a range hood which can effectively dissipate heat for a control box in view of the current status of the prior art.

[0006] The first technical problem to be solved by the utility model is to provide a range hood which can effectively prevent rain in view of the current status of the prior art.

[0007] The technical solution adopted by the utility model to solve the first technical problem is: a range hood, comprising:

[0008] The oil fume suction device is installed indoors to absorb and exhaust oil fume;

[0009] An outdoor host device is arranged outdoors, comprising a box, a fan system and a control box, wherein the fan system is arranged in the box and is fluidically connected to the oil fume suction device;

[0010] The control box comprises a box body and a control board arranged in the box body, and also comprises a cooling device for cooling the box body and / or the control board.

[0011] In order to simplify the structure of the cooling device and ensure the cooling effect, the cooling device is a cooling device that uses air cooling or water cooling to reduce the temperature.

[0012] In order to further improve the ventilation and heat dissipation effect, the box body has a front side wall opposite to the control board, and a local area on the front side wall protrudes outward relative to the main body of the front side wall to form a heat dissipation ventilation area, and the heat dissipation ventilation area is arranged with heat dissipation holes connected to the inside of the box body. The heat dissipation holes can also be used as air outlet holes for a cooling device that uses air cooling as a cooling method.

[0013] The technical solution adopted by the utility model to solve the second technical problem is: the heat dissipation and ventilation area is formed with an inner groove which is recessed toward the inside of the box body and extends along the circumference of the heat dissipation and ventilation area at the position where it is connected with the front side wall of the box body. The arrangement of the inner groove can facilitate rainwater to collect in the inner groove and fall along the inner groove, thereby preventing rainwater from entering the box body through the heat dissipation holes of the heat dissipation and ventilation area.

[0014] As a feasible cooling method, the cooling device includes a cooling circulation device for refrigerating a cooling medium and a cooling pipe for the cooling medium to circulate through, and the cooling pipe is arranged in the inner groove.

[0015] As another feasible cooling method, the cooling device includes an air supply device for conveying cold air and a cold air duct connected to the air supply device, and the cold air duct is connected to the interior of the box body.

[0016] In order to facilitate the positioning of the cold air duct, the cold air duct is arranged to extend along the inner groove.

[0017] In order to ensure the cooling effect of cold air cooling, the cold air duct has two cold air ducts arranged relatively in the left and right directions. Correspondingly, the inner grooves on the left and right sides of the heat dissipation and ventilation area are respectively provided with air inlets connected to the two cold air ducts.

[0018] In order to further prevent rainwater from entering the box body through the heat dissipation holes in the heat dissipation and ventilation zone, each heat dissipation hole in the heat dissipation and ventilation zone is provided with a protective cover extending downward and gradually outward from the top of the corresponding heat dissipation hole.

[0019] In order to prevent the control box from being exposed outside the box, the control box is arranged on the inner wall of the box.

[0020] In order to facilitate the inspection and replacement of the control box, a door panel for opening the control box from the outside is also provided on the box body in an area opposite to the control box.

[0021] Compared with the prior art, the utility model has the advantages of: cooling the box body and / or control board of the control box by means of the cooling device, thus avoiding the problem of failure of the outdoor host device due to the failure to dissipate heat in time due to long-term operation, and extending the service life. In the preferred embodiment, the inner groove of the heat dissipation and ventilation area of ​​the control box and the setting of the protective cover at the heat dissipation hole achieve the purpose of reliable rain protection, further extending the service life of the control box used outdoors. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the outdoor main unit of the range hood according to Embodiment 1 of the utility model;

[0023] Figure 2 It is a three-dimensional structural schematic diagram of the outdoor main unit of the range hood of Embodiment 1 of the utility model from another angle;

[0024] Figure 3 It is a sectional perspective view of an outdoor host device of a range hood according to Embodiment 1 of the present utility model;

[0025] Figure 4 It is a sectional perspective view of the control box of the range hood according to Embodiment 1 of the present utility model;

[0026] Figure 5 This is a schematic diagram of the three-dimensional structure of the control box of the range hood according to Embodiment 1 of the present utility model;

[0027] Figure 6 This is an exploded view of the control box of the range hood according to Embodiment 1 of the present utility model;

[0028] Figure 7 It is a sectional perspective view of an outdoor host device of a range hood according to Embodiment 2 of the present utility model;

[0029] Figure 8 It is a sectional stereoscopic view of the control box of the range hood according to Embodiment 2 of the present utility model. DETAILED DESCRIPTION

[0030] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0031] In the specification and claims of the present invention, terms indicating directions, such as "front", "rear", "up", "down", "left", "right", "side", "top", "bottom", etc., are used to describe various exemplary structural parts and elements of the present invention, but these terms are used here only for the purpose of convenience of description and are determined based on the exemplary orientations shown in the accompanying drawings. Since the embodiments disclosed in the present invention can be arranged in different directions, these terms indicating directions are only used as explanations and should not be regarded as limitations. For example, "up" and "down" are not necessarily limited to directions opposite to or consistent with the direction of gravity.

[0032] Example 1

[0033] See also Figure 1-Figure 6 The range hood includes a range hood and an outdoor host device, wherein the range hood is arranged indoors and generally includes a smoke collecting hood for taking in and collecting smoke. The outdoor host device is generally arranged outdoors, and includes a housing 10, a fan system 20, and a control box 30. The fan system 20 is arranged in the housing 10, provides negative pressure for sucking and exhausting the oil smoke, and is connected to the range hood through a corresponding air duct. The outdoor host device also includes a filter device arranged above the housing 10 where the fan system 20 is placed, and the filter device is used to filter the oil smoke before discharging it.

[0034] The main body of the control box 30 of this embodiment is vertically arranged on the inner wall of the box body 10. In order to facilitate the inspection and replacement of the control box 30, a door panel 11 that can be opened and closed is also provided on the box body 10 in the area opposite to the control box 30, so that the user can open the control box 30 from the outside.

[0035] The control box 30 includes a box body 31, a control board 32 disposed in the box body 31, and a cooling device for cooling the box body 31 and / or the control board 32. Generally, in order to simplify the structure of the cooling device and ensure the cooling effect, the cooling device is a cooling device that uses air cooling or water cooling to cool down.

[0036] This embodiment adopts a cooling device for cooling by air cooling. The box body 31 has a front side wall 311 opposite to the control board 32, and a local area on the front side wall 311 protrudes outward relative to the main body of the front side wall 311 to form a heat dissipation and ventilation area 312. Heat dissipation holes 3120 are arranged on the heat dissipation and ventilation area 312. The heat dissipation and ventilation area 312 is formed with an inner groove 315 that is recessed toward the inside of the box body 31 and extends along the circumference of the heat dissipation and ventilation area 312 at the position of the heat dissipation and ventilation area 312 that is connected with the main body of the front side wall 311 of the box body 31. The setting of the inner groove 315, on the one hand, can facilitate the collection of rainwater in the inner groove 315 and fall along the inner groove 315, so as to prevent rainwater from entering the box body 31 through the heat dissipation holes 3120 of the heat dissipation and ventilation area 312; on the other hand, it can also be used as a positioning groove in which the cold air pipe 52 of the cooling device for air cooling is embedded, which will be described in detail below.

[0037] The cooling device includes an air supply device 51 for conveying cold air and a cold air pipe 52 connected to the air supply device 51. The cold air pipe 52 is connected to the interior of the box body 31. The cold air pipe 52 is arranged along the inner groove 315. The cold air pipe 52 has two cold air pipes arranged opposite to each other in the left and right directions. Correspondingly, the positions of the inner grooves 315 on the left and right sides of the heat dissipation and ventilation area 312 are respectively provided with air inlets 313 connected to the two cold air pipes 52. The air supply device 51 blows out cold air, which is blown into the control box 30 through the cold air pipe 52. The cold air circulates in the control box 30 and is blown out from the heat dissipation holes 3120 of the heat dissipation and ventilation area 312 to take away the hot air, thereby realizing the cooling of the box body 31 and the internal components of the control box 30, avoiding the problem of failure of the outdoor host device due to the failure to dissipate heat in time due to long-term operation, and extending the service life.

[0038] Each heat dissipation hole 3120 of the heat dissipation ventilation area 312 is provided with a protective cover 314 which extends downward and gradually outward from the top of the corresponding heat dissipation hole 3120. Specifically, the protective cover 314 can be connected to the top edge and the left and right edges of the heat dissipation hole 3120, thereby effectively preventing rainwater from entering the box body 31 through the heat dissipation holes 3120 of the heat dissipation ventilation area 312.

[0039] In this embodiment, the box body 31 and / or the control board 32 of the control box 30 are cooled by a cooling device, thereby avoiding the problem of failure of the outdoor host device due to the failure to dissipate heat in time due to long-term operation, and extending the service life. In the preferred embodiment, the inner groove 315 of the heat dissipation and ventilation area 312 of the control box 30 and the protective cover 314 at the heat dissipation hole 3120 achieve the purpose of reliable rain protection, and further extend the service life of the control box 30 used outdoors.

[0040] Example 2

[0041] See also Figure 7 and Figure 8 The difference between this embodiment and the first embodiment is that the cooling device is different. The cooling device of this embodiment includes a cooling circulation device 41 for cooling the cooling medium and a cooling pipe 42 for the cooling medium to circulate through. The cooling pipe 42 is also arranged in the inner groove 315, specifically, in the inner groove 315 surrounding the upper side and the left and right sides of the heat dissipation and ventilation area 312. When cooling, the cooling medium flows out of the cooling circulation device 41, passes through the cooling pipe 42, and the cooling pipe 42 transfers the cold to the box body 31, thereby cooling the control box 30.

[0042] The "fluid communication" referred to in the present invention refers to the spatial position relationship between two parts or parts (hereinafter collectively referred to as the first part and the second part respectively), that is, the fluid (gas, liquid or a mixture of the two) can flow from the first part along the flow path or / and be transported to the second part. The first part and the second part can be directly connected, or the first part and the second part can be indirectly connected through at least one third party. The third party can be a fluid channel such as a pipe, channel, conduit, guide member, hole, groove, etc., or a chamber allowing fluid to flow through, or a combination of the above.

Claims

1. A range hood, comprising: The oil fume suction device is installed indoors to absorb and exhaust oil fume; An outdoor host device is arranged outdoors, comprising a housing (10), a fan system (20) and a control box (30), wherein the fan system (20) is arranged in the housing (10) and is fluidically connected to the oil fume suction device; The feature is that the control box (30) comprises a box body (31) and a control board (32) arranged in the box body (31), and also comprises a cooling device for cooling the box body (31) and / or the control board (32).

2. The range hood according to claim 1, characterized in that: The cooling device is a cooling device that adopts air cooling or water cooling to reduce the temperature.

3. The range hood according to claim 2, characterized in that: The box body (31) has a front side wall (311) opposite to the control panel (32); a local area on the front side wall (311) protrudes outward relative to the main body of the front side wall (311) to form a heat dissipation ventilation area (312); and a heat dissipation hole (3120) connected to the interior of the box body (31) is arranged on the heat dissipation ventilation area (312).

4. The range hood according to claim 3, characterized in that: The heat dissipation and ventilation area (312) is formed with an inner groove (315) at a position where it is joined to the front side wall (311) of the box body (31), which is recessed toward the inside of the box body (31) and is arranged to extend along the circumference of the heat dissipation and ventilation area (312).

5. The range hood according to claim 4, characterized in that: The cooling device comprises a cooling circulation device (41) for refrigerating a cooling medium and a cooling pipe (42) for the cooling medium to circulate through, and the cooling pipe (42) is arranged in the inner groove (315).

6. The range hood according to claim 4, characterized in that: The cooling device comprises an air supply device (51) for conveying cold air and a cold air pipe (52) connected to the air supply device (51); the cold air pipe (52) is connected to the interior of the box body (31).

7. The range hood according to claim 6, characterized in that: The cold air pipe (52) is arranged to extend along the inner groove (315).

8. The range hood according to claim 7, characterized in that: The cold air pipe (52) has two cold air pipes (52) arranged opposite to each other in the left and right directions, and correspondingly, air inlets (313) connected to the two cold air pipes (52) are respectively provided at the positions of the inner grooves (315) located on the left and right sides of the heat dissipation and ventilation area (312).

9. The range hood according to any one of claims 3 to 8, characterized in that: Each of the heat dissipation holes (3120) of the heat dissipation and ventilation area (312) is provided with a protective cover (314) extending downward and gradually outward from the top of the corresponding heat dissipation hole (3120).

10. The range hood according to any one of claims 1 to 8, characterized in that: The control box (30) is arranged on the inner side wall of the box body (10).

11. The range hood according to claim 10, characterized in that: A door panel (11) for opening the control box (30) from the outside is also provided on the box body (10) in an area opposite to the control box (30).

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