Table top range hood

Abstract

The utility model relates to the technical field of flue gas purification, and particularly discloses a desktop range hood which comprises a shell, an air inlet is formed in one side of the shell, an air outlet is formed in the top of the shell, a first filter component is mounted at the air inlet of the shell, an air inducing component is arranged in the shell, and a second filter component is mounted at the air outlet of the shell. When outside oil fume is sucked by the air inducing assembly, the oil fume is firstly purified by the first filtering assembly, then is purified by the second filtering assembly under the action of the air inducing assembly, and is discharged from the air outlet. Oil smoke is purified on the two sides in the table top range hood, so that the discharged oil smoke basically does not contain peculiar smell and oil stain, and the indoor environment is ensured to be clean.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas purification, in particular to a desktop range hood. Background Art

[0002] As cooking environments are further removed from traditional range hoods, the resulting fumes and odors are a pressing issue to address. Application Publication No. CN 221705591 U discloses a tabletop range hood. However, this application fails to consider the exhaust environment. The filter in front of the fan disclosed in this application alone cannot completely remove fumes. Direct exhaust into the room creates odor and contaminates walls.

[0003] Therefore, the existing technology still needs to be improved and developed. Utility Model Content

[0004] The utility model discloses a desktop range hood, which is used to improve the problem of indoor emission pollution of ordinary desktop range hoods.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The utility model discloses a desktop range hood, which includes a shell, an air inlet is provided on the side of the shell, an air outlet is provided on the top of the shell, a first filter component and a second filter component are installed in the shell, the first filter component is provided at the air inlet, and the second filter component is provided at the air outlet, and an air induction component is also installed in the shell, the air induction component is used to introduce external oil smoke from the air inlet into the shell after being filtered by the first filter component, and to guide the oil smoke in the shell out from the air outlet after being filtered by the second filter component.

[0007] Preferably, the first filter assembly includes a first filter screen and an oil collecting box, and the oil collecting box is installed below the first filter screen.

[0008] Preferably, the first filter assembly further comprises a first filter box and a condensation filter, the first filter box is installed on one side of the first filter, and the condensation filter is installed in the first filter box.

[0009] Preferably, the second filter assembly includes a second filter box, a filter element fixing box, a second filter screen and an air outlet grille. The second filter box is installed on the upper part of the shell, the filter element fixing box is installed in the second filter box, the second filter screen is installed in the filter element fixing box, and the air outlet grille is installed on the top of the shell to isolate the second filter screen from the outside world.

[0010] Preferably, the air induced component includes a volute and a fan, the volute is provided with an air inlet and an air outlet, the air inlet and the air outlet are connected to form an air duct, the air inlet is provided downstream of the first filter component, the air outlet is provided upstream of the second filter component, and the fan is installed in the volute.

[0011] Preferably, the volute includes a front volute and a rear volute, and the air inlet is arranged on the front volute; the air inlet assembly also includes a partition grille, which is installed at the air inlet, and the partition grille is used to separate the fan and the first filter.

[0012] Preferably, a plurality of limiting blocks are provided on the front volute, and the limiting blocks and the side walls of the front volute form a limiting groove for limiting the first filter screen.

[0013] Preferably, an oil guide plate is provided on the shell, and the oil guide plate is used to guide the oil on the condensation filter to the oil collecting box.

[0014] Preferably, the first filter screen is a glass fiber filter screen, a PP melt-blown filter screen, a PET filter screen, a PE filter screen or a MOF filter screen.

[0015] Preferably, the second filter is a filter made of carbon block, zeolite, quartz sand or ceramic.

[0016] Compared with the prior art, the present invention has the following advantages: the desktop range hood disclosed in the present application includes a housing, an air inlet disposed on the side of the housing, and an air outlet disposed on the top of the housing. Furthermore, a first filter assembly and a second filter assembly are disposed within the housing. After the induced draft assembly draws ambient fumes into the range hood, the fumes pass through the first and second filter assemblies, fully absorbing the oil and odor in the fumes before being discharged, thereby ensuring low pollution levels in the fumes emitted indoors. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of a desktop range hood provided in one embodiment of the present invention.

[0018] Figure 2 An exploded view of a desktop range hood provided in one embodiment of the present invention;

[0019] Figure 3 This is a schematic structural diagram of a front volute provided in one embodiment of the present utility model.

[0020] Explanation of the main component symbols: 10-housing; 11-front cover; 111-air inlet; 12-middle housing; 13-rear housing; 131-air outlet; 14-bottom plate; 15-oil guide plate; 20-first filter assembly; 21-first filter screen; 22-oil collecting box; 23-first filter box; 231-front filter cover, 232-rear filter box; 24-condensation filter; 30-second filter assembly; 31-second filter box; 32-filter element fixing box; 33-second filter screen; 34-air outlet grille; 40-draft induced draft assembly; 41-volute; 411-front volute; 412-rear volute; 413-air inlet; 414-air outlet; 42-partition grille; 43-fan; 431-motor; 432-wind wheel; 44-limiting block; 45-limiting slot. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] In this utility model, terms such as "upper," "lower," "left," "right," "front," "back," "top," "bottom," "inner," "outer," "center," "vertical," "horizontal," "transverse," and "longitudinal" indicate positions or locations based on the positions or locations shown in the accompanying drawings. These terms are primarily intended to better describe the utility model and its embodiments and are not intended to limit the devices, elements, or components indicated to having a specific orientation, or to being constructed or operated in a specific orientation.

[0023] Furthermore, some of the above terms may be used to express other meanings besides indicating a position or location. For example, the term "on" may also be used to indicate a dependency or connection in certain circumstances. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0024] Furthermore, the terms "installed," "disposed," "provided with," "connected," and "connected" should be interpreted broadly. For example, they can refer to fixed connections, removable connections, or integral structures; mechanical connections or electrical connections; direct connections, indirect connections through an intermediary, or internal communication between two devices, elements, or components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0025] Furthermore, the terms "first," "second," etc., are primarily used to distinguish between different devices, elements, or components (which may or may not be of the same type and configuration), and are not intended to indicate or imply the relative importance or quantity of the devices, elements, or components indicated. Unless otherwise specified, "plurality" means two or more.

[0026] The technical solution of the present utility model will be further described below in conjunction with the embodiments and drawings.

[0027] Example

[0028] Since the existing desktop range hood only absorbs the inhaled oil smoke once, the treated oil smoke still contains a certain amount of oil pollution, which will pollute the indoor environment if it is discharged directly into the room. Therefore, this application discloses a desktop range hood, referring to Figure 1-2 The desktop range hood includes a housing 10, with an air inlet 111 provided on the side of the housing 10 and an air outlet 131 provided on the top of the housing 10. A first filter assembly 20, a second filter assembly 30, and an air induction assembly 40 are installed in the housing 10. The first filter assembly 20 is installed at the air inlet 111, and the second filter assembly 30 is installed at the air outlet 131. When external oil smoke is attracted by the air induction assembly 40, the oil smoke enters the housing 10 after being filtered by the first filter assembly 20 at the air inlet 111. Then, under the attraction of the air induction assembly 40, the oil smoke passes through the second filter assembly 30 and is discharged from the exhaust port 414. After being filtered twice, the oil smoke is discharged. The exhaust gas contains only a trace amount of oil smoke, thereby ensuring a clean indoor environment.

[0029] Specifically, refer to Figure 2 The housing 10 includes a front cover 11, a middle shell 12, and a rear shell, which are snap-connected together, and a bottom plate 14 disposed at the bottom. The front cover 11 is provided with an air inlet 111, and the middle shell 12 and rear shell 13 enclose an upper-opening air outlet 131. The front cover 11, rear shell 13, and bottom plate 14 together isolate the interior of the range hood from the outside world.

[0030] In one embodiment of the present invention, referring to Figure 2 The first filter assembly 20 includes a first filter 21 and an oil collection box 22. The first filter 21 is installed at the air inlet 111 and is located between the front cover 11 and the middle shell 12. When oil smoke is drawn into the shell 10, it is filtered by the first filter 21 and the oil therein is adsorbed onto the first filter 21. An oil collection box 22 is provided below the first filter 21. After a certain amount of oil accumulates on the first filter 21, the oil drips into the oil collection box 22 under the action of gravity for storage.

[0031] Specifically, in an embodiment of the present invention, a mounting hole is provided on the middle shell 12 , and the first filter screen 21 and the oil collecting box 22 are both installed at the location of the mounting hole.

[0032] Preferably, in one embodiment of the present invention, referring to Figure 2 , the first filter assembly 20 also includes a first filter box 23 and a condensation filter 24. The first filter box 23 is installed on one side of the first filter 21, that is, the first filter box 23 is installed at the air inlet 111 of the front cover 11, and the shape of the first filter box 23 is adapted to the shape of the air inlet 111. The first filter box 23 is an annular structure, which is composed of a front filter cover 231 and a rear filter box 232 connected by a snap. A condensation filter 24 is provided between the front filter cover 231 and the rear filter box 232. The condensation filter 24 is a porous layer supported by an alloy material, which is used to condense high-temperature oil smoke to improve the oil smoke removal rate and extend the life of the subsequent first filter 21.

[0033] Furthermore, in one embodiment of the present invention, an oil leakage hole is provided at the bottom of the rear filter box, and the oil accumulated on the condensation filter 24 falls through the oil leakage hole.

[0034] Furthermore, in one embodiment of the present invention, referring to Figure 2 An oil guide plate 15 is provided at the front cover 11 . The oil guide plate 15 is provided below the oil leakage hole. The oil guide plate 15 is used to guide the oil falling from the condensation filter 24 to the oil collecting box 22 .

[0035] In one embodiment of the present invention, referring to Figure 2 The second filter assembly 30 includes a second filter box 31, a filter element fixing box 32, a second filter screen 33 and an air outlet grille 34. The second filter box 31 is installed on the upper part of the inner wall of the housing 10 for connecting to the volute 41. The filter element fixing box 32 is installed in the second filter box 31 for fixing the second filter screen 33. The second filter screen 33 is installed in the filter element fixing box 32. The air outlet grille 34 is installed at the air outlet 131 position at the top of the housing 10, and the shape of the air outlet grille 34 is adapted to the position of the air outlet 131. The air outlet grille 34 is used to evenly distribute the air and isolate the second filter screen 33 from the outside world.

[0036] In one embodiment of the present invention, the air induced component 40 includes a volute 41 and a fan 43, the fan 43 is installed in the volute 41, and an air inlet and an air outlet 414 are provided on the volute 41, wherein the air inlet and the air outlet 414 are connected and form an air duct, the air inlet is provided downstream of the first filter 21, and the air outlet 414 is provided upstream of the second filter 33.

[0037] Specifically, the volute 41 includes a front volute 411 and a rear volute 412, which are fixedly connected. The air inlet is set on the front volute 41. The fan 43 includes a motor 431 and a wind wheel 432. The wind wheel 432 is mounted on the output shaft of the motor 431, and the motor 431 is mounted on the rear volute 412. The air induction assembly 40 also includes a partition grille 42, which is mounted on the front volute 411 and at the air inlet. The partition grille 42 is used to connect the river section fan 43 and the first filter 21 to prevent the user from touching the fan 43 when removing the first filter 21.

[0038] In one embodiment of the present invention, referring to Figure 3 A limiting block 44 is also provided on the front volute 411, and a limiting groove 45 for limiting the first filter screen 21 is formed between the limiting blocks 44 and the side wall of the front volute 411, so that a certain distance is maintained between the first filter screen 21 and the partition grille 42, thereby avoiding the air duct being too narrow and causing excessive noise due to friction between the air and the flow channel wall.

[0039] Preferably, in one embodiment of the present invention, the first filter 21 is made of a composite folded polymer material, such as glass fiber, PP melt-blown, PET, PE, MOF and other materials; its main function is to adsorb and intercept oil fume particles and protect the subsequent wind wheel 432 and motor 431.

[0040] Preferably, in one embodiment of the present invention, the second filter 33 is a square mesh filter made of filter materials such as carbon blocks, zeolite, quartz sand, and ceramics, and is used to remove oil fume odor, volatile organic pollutants formed by the reaction of oil fume with air or filter components, and remove secondary pollution and odor caused by excessive oil adsorption by the pre-filter.

[0041] After the oil smoke is sucked into the desktop range hood by the fan 43, it is purified by the condensation filter 24, the first filter 21 and the second filter 33. The discharged oil smoke is basically free of oil stains and odors, so that the indoor environment can be kept clean.

[0042] It is understandable that those skilled in the art can make equivalent substitutions or changes based on the technical solution and the utility model concept of the present invention, and all these changes or substitutions should fall within the scope of protection of the present invention.

Claims

1. A desktop range hood, characterized in that: It includes a shell, an air inlet is provided on the side of the shell, an air outlet is provided on the top of the shell, a first filter component and a second filter component are installed in the shell, the first filter component is provided at the air inlet, and the second filter component is provided at the air outlet, and an air induced component is also installed in the shell, the air induced component is used to introduce external oil smoke from the air inlet into the shell after being filtered by the first filter component, and to lead the oil smoke in the shell out from the air outlet after being filtered by the second filter component.

2. A desktop range hood according to claim 1, characterized in that: The first filter assembly includes a first filter screen and an oil collecting box, and the oil collecting box is installed below the first filter screen.

3. A desktop range hood according to claim 2, characterized in that: The first filter assembly further includes a first filter box and a condensation filter. The first filter box is installed on one side of the first filter, and the condensation filter is installed in the first filter box.

4. The desktop range hood according to claim 1, characterized in that: The second filter assembly includes a second filter box, a filter element fixing box, a second filter screen and an air outlet grille. The second filter box is installed on the upper part of the shell, the filter element fixing box is installed in the second filter box, the second filter screen is installed in the filter element fixing box, and the air outlet grille is installed on the top of the shell to isolate the second filter screen from the outside world.

5. The desktop range hood according to claim 1, characterized in that: The air induced component includes a volute and a fan, the volute is provided with an air induced port and an air exhaust port, the air induced port and the air exhaust port are connected to form an air duct, the air induced port is provided downstream of the first filter component, the air exhaust port is provided upstream of the second filter component, and the fan is installed in the volute.

6. The desktop range hood according to claim 5, characterized in that: The volute includes a front volute and a rear volute, and the air inlet is arranged on the front volute; the air inlet assembly also includes a partition grille, which is installed at the air inlet and is used to separate the fan and the first filter.

7. The desktop range hood according to claim 6, characterized in that: A plurality of limiting blocks are provided on the front volute, and the limiting blocks and the side walls of the front volute form a limiting groove for limiting the first filter screen.

8. The desktop range hood according to claim 3, characterized in that: An oil guide plate is provided on the shell, and the oil guide plate is used to guide the oil on the condensation filter to the oil collecting box.

9. The desktop range hood according to claim 2, characterized in that: The first filter screen is a glass fiber filter screen, a PP melt-blown filter screen, a PET filter screen, a PE filter screen or a MOF filter screen.

10. The desktop range hood according to claim 4, characterized in that: The second filter is made of carbon block, zeolite, quartz sand or ceramic.

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