CN217978950U

CN217978950U - Smoke exhaust ventilator

Info

Publication number: CN217978950U
Application number: CN202221611218.7U
Authority: CN
Inventors: 罗子健; 许运凌
Original assignee: Guangdong Chaoren Energy Saving Kitchen Electric Appliance Co ltd
Current assignee: Guangdong Chaoren Energy Saving Kitchen Electric Appliance Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-12-06
Anticipated expiration: 2032-06-24

Abstract

The utility model discloses a range hood, it includes the organism, air supply subassembly and wind-guiding leaf, the front side of organism has the panel, be equipped with the air outlet on the panel, be equipped with the air intake on the organism, be equipped with the wind channel between air intake and the air outlet and through the wind channel intercommunication, the air supply subassembly is connected in the organism, the air that the air supply subassembly at least part is arranged in the wind channel and can make in the wind channel flows to the air outlet by the air intake, the wind-guiding leaf rotates and connects in the organism, the wind-guiding leaf can rotate and carry out the water conservancy diversion to the air of air outlet output, the wind-guiding leaf can rotate to shielding air outlet or shutoff wind channel. When the range hood is used, air is supplied by the air supply assembly, the air guide blades are used for rotating and guiding, so that air is output from the air outlet at a preset angle to form an air curtain, oil smoke is prevented from overflowing and scattering, the front and back sizes of the range hood are reduced, the possibility of head collision to a user is reduced, the air outlet angle can be adjusted by rotating the air guide blades, the smoke collection range of the air curtain can be adjusted and changed, and the applicability is improved.

Description

Smoke exhaust ventilator

Technical Field

The utility model relates to a kitchen appliance technical field, in particular to range hood.

Background

In the existing range hood, part of machine types can be provided with an air curtain function for realizing a better oil smoke suction effect, and air blown out of an air outlet part forms the air curtain, so that oil smoke formed by cooking cannot easily escape into a kitchen space, the effect of gathering the oil smoke is realized, and the oil smoke can be better sucked into the range hood. The air curtain structure of the existing range hood generally adopts a drawer type structure, an air outlet part is telescopically arranged in a machine body like a drawer, and is driven by a driver to extend out when in use so as to blow air out to form an air curtain, and when not in use, the air curtain structure is driven by the driver to retract into the machine body so as to hide an air outlet and avoid foreign matters from entering. To the range hood of above-mentioned structure, the flexible setting of air-out part can increase range hood's front and back size, leads to the front and back space to occupy more, and especially when the air-out part stretches out, causes the condition of meeting the head to the user easily, and in addition, the angle of air-out is also comparatively fixed, leads to holding together the cigarette scope comparatively fixed of air curtain, and adaptability is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a range hood utilizes the air supply subassembly air supply and utilizes the wind guide vane to rotate the water conservancy diversion, makes the air from the air outlet in order predetermineeing angle output, forms the air curtain to be favorable to avoiding the oil smoke to overflow and scatter, be favorable to reducing range hood's preceding back size, reduce and cause the possibility of meeting the head to the user, and air-out angle accessible wind guide vane rotates the regulation, and the cigarette scope of holding together of air curtain can be adjusted and is changed, improves the suitability.

According to the embodiment of the utility model provides a range hood, it includes organism, air supply subassembly and air guide blade, the front side of organism has the panel, be equipped with the air outlet on the panel, be equipped with the air intake on the organism, the air intake with be equipped with the wind channel between the air outlet and pass through the wind channel intercommunication, the air supply subassembly connect in the organism, the air supply subassembly at least part is located in the wind channel and can make air in the wind channel by the air intake to the air outlet flows, the air guide blade rotate connect in the organism, the air guide blade can rotate to right the air of air outlet output carries out the water conservancy diversion, the air guide blade can rotate to shielding air outlet or shutoff the wind channel.

According to the utility model discloses range hood, it has following beneficial effect at least: when the air guide vane is idle, the air guide vane rotates to shield the air outlet or block the air channel, so that foreign matters can be prevented from entering the machine body, and the use reliability is improved; when the range hood is used, oil smoke is sucked by the range hood to work, the air supply assembly works, air in an air channel flows from the air inlet to the air outlet, and is supplied to the air outlet, the air guide blades are rotated to remove the shielding of the air outlet or the plugging of the air channel, and meanwhile, the air output from the air outlet is guided by the air guide blades, so that the air is output from the air outlet at a preset angle to form an air curtain, the oil smoke is prevented from overflowing, the air curtain is formed by guiding the air to flow through the rotating air guide blades, the problem of front and back size increase caused by the front and back telescopic arrangement of parts is solved, the front and back sizes of the range hood are reduced, the possibility of head collision to a user is reduced, the air outlet angle can be adjusted through the rotation of the air guide blades, the smoke collection range of the air curtain can be adjusted and changed, and the applicability is improved.

According to some embodiments of the utility model, the guide vane is located in the wind channel, the guide vane has the orientation first wind-guiding portion that the air outlet extends and dorsad the second wind-guiding portion that the air outlet extends, first wind-guiding portion can follow the guide vane rotate to with the upper wall butt of air outlet or rotate to with be formed with the air-out clearance between the lower wall of air outlet, second wind-guiding portion can follow the guide vane rotate to with the lateral wall butt in wind channel.

According to the utility model discloses a some embodiments, first wind-guiding part is followed the air outlet stretches out, be equipped with the wind-guiding curved surface in the first wind-guiding part, the wind-guiding curved surface can make the downward water conservancy diversion of air-out clearance output air is carried.

According to the utility model discloses a some embodiments, wind-guiding leaf is connected with first driver, first driver can drive the wind-guiding leaf rotates.

According to some embodiments of the utility model, the organism is connected with the subassembly that disinfects, the subassembly that disinfects is located at least partially in the wind channel and can be right air in the wind channel disinfects.

According to some embodiments of the present invention, the sterilization assembly includes a plasma generator or an anion generator, and the plasma generator or the anion generator partially extends into the air duct.

According to some embodiments of the utility model, be provided with the medicinal material box that supplies the medicinal material to place in the wind channel, be equipped with a plurality of air vents that supply the circulation of air on the medicinal material box.

According to the utility model discloses a some embodiments, the organism has first chamber and the second chamber of mutual intercommunication, first chamber intercommunication has the inlet flue, be equipped with the fan subassembly in the second chamber, the fan subassembly has suction opening and air exit, the suction opening with second chamber intercommunication, air exit and outside intercommunication, first chamber with be equipped with the separation net between the second chamber.

According to the utility model discloses a some embodiments, the organism in it is connected with and holds together the cigarette board to advance the rotation of cigarette mouth department, it is connected with the second driver to hold together the cigarette board, the second driver can drive it rotates to hold together the cigarette board.

According to the utility model discloses a some embodiments, the upside in first chamber is equipped with the oil trap, the separation net is relative the oil trap slope sets up, the downward sloping end of separation net is located the top of oil trap, the fan subassembly has the oil drain hole, the oil drain hole is located the top of oil trap, the downside of organism can be dismantled and is connected with the sump tank, the sump tank have the oil trap and with the oil inlet of sump tank intercommunication, the organism is equipped with leads the oiled-plate, it can follow to lead the oiled-plate the fluid water conservancy diversion that the oil trap flows extremely the oil inlet.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a range hood according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the range hood of FIG. 1;

FIG. 3 is a schematic sectional view of a portion of the range hood of FIG. 1;

FIG. 4 is a schematic cross-sectional view of a portion of the range hood of FIG. 3 in an operating state;

FIG. 5 is a schematic view of a portion of the range hood of FIG. 1;

fig. 6 is a second schematic view of a portion of the range hood of fig. 1.

Reference numerals:

the air conditioner comprises a machine body 100, an air inlet 101, an air duct 102, an air outlet gap 103, a smoke inlet 104, a first cavity 105, a second cavity 106, a panel 110, an air outlet 111, a separating net 120, a smoke collecting plate 130, an oil collecting tank 140, an oil collecting tank 150, an oil collecting cavity 151, an oil inlet 152 and an oil guide plate 160;

air supply assembly 200, wind wheel 210, third driver 220;

the air guide vane 300, the first air guiding part 310, the air guiding curved surface 311 and the second air guiding part 320;

a sterilization assembly 400, a plasma generator 410;

fan assembly 500, suction opening 501, exhaust opening 502, oil drain 503.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that if an orientation description is referred to, for example, the directions or positional relationships indicated by the upper, lower, front, rear, etc. are based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, 2, 3 and 4, a range hood includes a body 100, an air supply assembly 200 and a wind guide vane 300, the front side of the body 100 has a panel 110, the panel 110 has an air outlet 111, the body 100 has an air inlet 101, an air duct 102 is disposed between the air inlet 101 and the air outlet 111 and is communicated with the air duct 102, the air supply assembly 200 is connected to the body 100, at least a portion of the air supply assembly 200 is located in the air duct 102 and enables air in the air duct 102 to flow from the air inlet 101 to the air outlet 111, the wind guide vane 300 is rotatably connected to the body 100, the wind guide vane 300 can rotate to guide air output from the air outlet 111, and the wind guide vane 300 can rotate to shield the air outlet 111 or block the air duct 102.

It can be understood that, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the air duct 102 is an "L" shaped channel structure, the body 100 is provided with a plurality of air inlets 101 at an upper side of the air duct 102, and the panel 110 is obliquely arranged at a predetermined angle, so that the air outlet 111 faces obliquely downward to facilitate air outlet towards a user, and air supply and heat dissipation can be provided for the user while an air curtain is formed; referring to fig. 3 and 5, the air supply assembly 200 includes a wind wheel 210 disposed in the air duct 102 and a third driver 220 drivingly connected to the wind wheel 210, and the wind wheel 210 is driven to rotate by the third driver 220 so as to drive the air flow from the air inlet 101 to the air outlet 111. Referring to fig. 3, when the air guide vane 300 is idle, the air guide vane rotates to shield the air outlet 111 or block the air duct 102, so as to prevent foreign matters from entering the interior of the machine body 100, and improve the use reliability; referring to fig. 4, when in use, the range hood sucks oil smoke to work, the air supply assembly 200 works to enable air in the air duct 102 to flow from the air inlet 101 to the air outlet 111 and supply air to the air outlet 111, the air guide vane 300 is rotated to remove the shielding of the air outlet 111 or the blocking of the air duct 102, and meanwhile, the air output from the air outlet 111 is guided by the air guide vane 300, so that the air is output from the air outlet 111 at a preset angle to form an air curtain, which is beneficial to avoiding the overflow of the oil smoke, and the air curtain is formed by guiding the air flow through the rotation of the air guide vane 300, which is beneficial to avoiding the problem of the increase of the front and rear dimensions caused by the front and rear telescopic arrangement of components, thus being beneficial to reducing the front and rear dimensions of the range hood, reducing the possibility of head collision of a user, and enabling the air outlet angle to be adjusted through the rotation of the air guide vane 300, and enabling the smoke collection range of the air curtain to be adjusted and changed, thereby improving the applicability.

In practical applications, the specific structures of the machine body 100 and the fan 300 can be set according to practical needs, and will not be described in detail herein, and will be described in detail below; the air supply assembly 200 may be a direct current fan or a turbo fan, etc., and since the specific structure of the air supply assembly 200 according to the embodiment of the present invention is known to those skilled in the art, it will not be described in detail herein.

In some embodiments, the air guiding blade 300 is located in the air duct 102, the air guiding blade 300 has a first air guiding portion 310 extending toward the air outlet 111 and a second air guiding portion 320 extending away from the air outlet 111, the first air guiding portion 310 can rotate with the air guiding blade 300 to abut against an upper wall of the air outlet 111 or rotate to form an air outlet gap 103 with a lower wall of the air outlet 111, and the second air guiding portion 320 can rotate with the air guiding blade 300 to abut against a side wall of the air duct 102.

It can be understood that, as shown in fig. 3 and fig. 4, the wind guiding blade 300 is located in the wind channel 102 and has a first wind guiding portion 310 extending towards the wind outlet 111 and a second wind guiding portion 320 extending away from the wind outlet 111, when the wind guiding blade 300 is idle, the first wind guiding portion 310 abuts against the upper wall of the wind outlet 111, and the second wind guiding portion 320 abuts against the lower wall of the wind channel 102 to better seal the wind channel 102, which is beneficial to preventing the entry of foreign matters; when the wind curtain is used, the wind guide blades 300 are rotated to enable the first wind guide part 310 to rotate to form the wind outlet gap 103 with the lower wall of the wind outlet 111, and the second wind guide part 320 is abutted against the upper side wall of the wind channel 102 to enable wind at the wind outlet 111 to be output from the wind outlet gap 103, so that a wind curtain is convenient to form, and the wind curtain is simple in structure and convenient to use.

In practical application, besides the above structure, the wind guiding vane 300 can be rotatably connected to the air outlet 111, and the upper end thereof is rotatably connected to the panel 110, so as to shield the air outlet 111 by rotating to prevent foreign matters from entering, and rotate away from the air outlet 111 to open the air outlet 111 to guide the air flow output by the air guiding vane, which can be changed according to practical use requirements.

In some embodiments, the first air guiding portion 310 partially extends from the air outlet 111, and the air guiding curved surface 311 is disposed on the first air guiding portion 310, and the air guiding curved surface 311 enables the air output from the air outlet gap 103 to be guided and conveyed downwards.

It can be understood that, as shown in fig. 3 and fig. 4, the first air guiding portion 310 partially extends from the air outlet 111, the extending end of the first air guiding portion 310 is in a bent structure to form an air guiding curved surface 311, when the first air guiding portion 310 rotates to form the air outlet gap 103 with the lower wall of the air outlet 111, the air guiding curved surface 311 guides the air obliquely downward, so that the air output from the air outlet gap 103 is delivered obliquely downward to be convenient for air outlet toward a user, and the air curtain can provide air supply and heat dissipation for the user while forming an air curtain, and can achieve a better air curtain effect. In practical applications, the specific structure of the first air guiding portion 310 can be set according to practical usage requirements, and is not described herein again.

In some embodiments, the wind guiding blade 300 is connected to a first driver (not shown), and the first driver can drive the wind guiding blade 300 to rotate. It can be understood that the first driver is arranged to drive the air guide vane 300 to rotate, so that the electric opening and closing of the air curtain function are facilitated, the intelligent degree is improved, and the operation of a user is reduced. During practical application, the air guide vane 300 can also be manually rotated by a user to realize the opening and closing control of the air curtain function, and can be set according to practical use requirements.

In some embodiments, a sterilization assembly 400 is coupled to the body 100, the sterilization assembly 400 being at least partially disposed within the air chute 102 and capable of sterilizing air within the air chute 102.

It can be understood that as shown in fig. 3, 4 and 5, the sterilization assembly 400 is arranged to sterilize the air in the air duct 102, so that the air outlet 111 can output relatively clean air, which is beneficial to sterilizing and ventilating the air environment in the kitchen, thereby realizing the fresh air function and facilitating the use. In practical applications, the specific structure of the sterilization assembly 400 can be set according to practical needs.

In some embodiments, the sterilization assembly 400 includes a plasma generator 410 or an anion generator (not shown), and the plasma generator 410 or the anion generator partially extends into the air duct 102.

It can be understood that, as shown in fig. 3, 4 and 5, the sterilization assembly 400 includes a plasma generator 410, the plasma generator 410 partially extends into the air duct 102, when in use, the plasma generator 410 ionizes air to generate a large amount of positive ions and negative ions, and the generated positive ions and negative ions are neutralized in the air by positive and negative charges to generate energy release, so as to cause the change of the surrounding bacteria structure or the energy conversion, so as to kill bacteria and realize the sterilization effect. Moreover, because the quantity of the negative ions is generally larger than that of the positive ions, the redundant negative ions still float in the air, and the health care effects of eliminating smoke, removing life, eliminating peculiar smell and improving the quality of the air can be achieved so as to promote the health of human bodies.

During practical application, the sterilization assembly 400 can further comprise an anion generator, the anion generator is used for generating anions with negative charges, the anions with negative charges and smoke dust floating in the air and having positive charges are subjected to electrode neutralization, so that the anions and the smoke dust float in the air are naturally deposited, and the air cleaning effect is realized, or the sterilization assembly 400 can further comprise an ultraviolet sterilization lamp, sterilization is realized by irradiating the air with ultraviolet rays, and the specific composition of the sterilization assembly 400 can be changed correspondingly according to actual use requirements.

In some embodiments, a medicine box for placing medicine is disposed in the air duct 102, and a plurality of air holes for air circulation are disposed on the medicine box. Understandably, through setting the medicinal material box in the air duct 102, when in use, the medicinal materials beneficial to human body can be placed in the medicinal material box, and the air supply component 200 is utilized to supply air, so that the air flow is conveyed through the medicinal material box through the air holes on the medicinal material box, and the output air flow has the taste corresponding to the medicinal materials, thereby being beneficial to the health maintenance of users and increasing the functional diversity of the range hood. During the actual application, specific structure and specific position etc. that sets up of medicinal material box all can be according to the corresponding settlement of in-service use needs, do not do the restriction here.

In some embodiments, the body 100 has a first cavity 105 and a second cavity 106 which are communicated with each other, the first cavity 105 is communicated with the smoke inlet 104, the second cavity 106 is provided with a fan assembly 500, the fan assembly 500 is provided with an air suction opening 501 and an air exhaust opening 502, the air suction opening 501 is communicated with the second cavity 106, the air exhaust opening 502 is communicated with the outside, and the separation net 120 is arranged between the first cavity 105 and the second cavity 106.

It can be understood that, as shown in fig. 1 and fig. 2, the first cavity 105 is located at the lower side of the second cavity 106, the first cavity 105 and the second cavity 106 are communicated with each other, the separation net 120 is disposed between the first cavity 105 and the second cavity 106, when in use, the fan assembly 500 works, so that the oil smoke is sucked into the first cavity 105 from the smoke inlet 104, enters the second cavity 106 through the separation net 120, the grease in the oil smoke air is cooled and condensed on the separation net 120, so as to reduce the grease content of the oil smoke air in the second cavity 106, and the filtering and separating effects are achieved, and the use is convenient; the air in the second chamber 106 is sucked by the suction opening 501 of the fan assembly 500 and exhausted by the exhaust opening 502, so as to achieve the effect of sucking and exhausting the oil smoke.

In practical applications, the specific structure of the separation net 120 may be set according to practical needs, and may be a single-layer filter net structure, such as a metal mesh plate, an activated carbon filter net, or a multi-layer filter net structure formed by stacking a plurality of single-layer filter nets, since the specific structure of the separation net 120 according to the embodiments of the present invention is known to those skilled in the art, it will not be described in detail herein. .

In some embodiments, the cigarette collecting plate 130 is rotatably connected to the machine body 100 at the cigarette inlet 104, and the cigarette collecting plate 130 is connected to a second driver (not shown), which can drive the cigarette collecting plate 130 to rotate.

It can be understood that, as shown in fig. 1 and fig. 2, when in use, the second driver drives the smoke collecting plate 130 to rotate, so that the smoke collecting plate 130 is turned upwards and opened, thereby being beneficial to preventing the oil smoke from overflowing upwards, playing a role of collecting the smoke, and facilitating use. In practical application, the specific structures of the cigarette collecting plate 130 and the second driver can be set according to practical use requirements.

In some embodiments, the oil collecting groove 140 is disposed on the upper side of the first cavity 105, the separating mesh 120 is disposed obliquely with respect to the oil collecting groove 140, the downwardly inclined end of the separating mesh 120 is located above the oil collecting groove 140, the fan assembly 500 has an oil discharge hole 503, the oil discharge hole 503 is located above the oil collecting groove 140, the oil collecting groove 150 is detachably connected to the lower side of the machine body 100, the oil collecting groove 150 has an oil collecting cavity 151 and an oil inlet 152 communicated with the oil collecting cavity 151, the machine body 100 is provided with an oil guide plate 160, and the oil guide plate 160 can guide oil flowing out from the oil collecting groove 140 to the oil inlet 152.

It can be understood that, as shown in fig. 2 and 6, the oil collecting groove 140 is located on the upper side of the first cavity 105, the downward inclined end of the separating net 120 is located above the oil collecting groove 140 to facilitate collecting the grease liquid flowing down on the separating net 120, the fan assembly 500 is arranged obliquely, and the lowest side of the fan assembly is provided with an oil discharging hole 503 to facilitate discharging the grease liquid accumulated inside, so as to facilitate collecting the grease liquid; the oil collecting tank 140 has notches in its two sides for collecting oil to flow out from the notches, and the oil is guided via the oil guiding plate 160 to the oil inlet 152 and collected in the oil collecting cavity 151 via the oil inlet 152. During cleaning, the oil collecting tank 150 may be detached to drain the oil liquid from the oil collecting cavity 151 for cleaning. Above-mentioned simple structure is reasonable, is favorable to collecting the grease liquid on separation net 120 and fan subassembly 500, reduces the pollution of grease liquid to organism 100 inner wall, the clean use of being convenient for.

In practical applications, the oil collecting tank 150 may be detachably connected to the lower side of the machine body 100 through a threaded structure or a clamping structure, and the specific structure and the specific arrangement position of the oil guide plate 160 may be changed according to practical application requirements, which is not limited herein.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A range hood, characterized by comprising:

the air conditioner comprises a machine body (100), wherein a panel (110) is arranged on the front side of the machine body (100), an air outlet (111) is formed in the panel (110), an air inlet (101) is formed in the machine body (100), and an air duct (102) is arranged between the air inlet (101) and the air outlet (111) and is communicated with the air duct (102);

the air supply assembly (200) is connected to the machine body (100), the air supply assembly (200) is at least partially positioned in the air duct (102) and can enable air in the air duct (102) to flow from the air inlet (101) to the air outlet (111);

the air guide blade (300) is rotatably connected to the machine body (100), the air guide blade (300) can rotate to guide the air output by the air outlet (111), and the air guide blade (300) can rotate to cover the air outlet (111) or block the air duct (102).

2. The range hood according to claim 1, wherein the fan blade (300) is located in the air duct (102), the fan blade (300) has a first wind guiding portion (310) extending toward the air outlet (111) and a second wind guiding portion (320) extending away from the air outlet (111), the first wind guiding portion (310) can rotate with the fan blade (300) to abut against an upper wall of the air outlet (111) or rotate to form an air outlet gap (103) with a lower wall of the air outlet (111), and the second wind guiding portion (320) can rotate with the fan blade (300) to abut against a side wall of the air duct (102).

3. The range hood according to claim 2, wherein the first air guiding portion (310) partially extends from the air outlet (111), and an air guiding curved surface (311) is disposed on the first air guiding portion (310), and the air guiding curved surface (311) enables air output from the air outlet gap (103) to be guided and conveyed downwards.

4. The range hood according to claim 1, wherein the fan blade (300) is connected to a first driver, and the first driver can drive the fan blade (300) to rotate.

5. The range hood according to claim 1, wherein a sterilization assembly (400) is connected to the body (100), and the sterilization assembly (400) is at least partially located in the air duct (102) and can sterilize air in the air duct (102).

6. The range hood of claim 5, wherein the sterilization assembly (400) comprises a plasma generator (410) or a negative ion generator, and the plasma generator (410) or the negative ion generator partially extends into the air duct (102).

7. The range hood according to claim 1, wherein a medicinal material box for placing medicinal materials is arranged in the air duct (102), and a plurality of air holes for air circulation are arranged on the medicinal material box.

8. The range hood according to claim 1, wherein the body (100) has a first chamber (105) and a second chamber (106) which are communicated with each other, the first chamber (105) is communicated with a smoke inlet (104), a fan assembly (500) is arranged in the second chamber (106), the fan assembly (500) has a suction opening (501) and an exhaust opening (502), the suction opening (501) is communicated with the second chamber (106), the exhaust opening (502) is communicated with the outside, and a separation net (120) is arranged between the first chamber (105) and the second chamber (106).

9. The range hood according to claim 8, wherein the smoke collecting plate (130) is rotatably connected to the smoke inlet (104) of the machine body (100), and the smoke collecting plate (130) is connected to a second driver, and the second driver can drive the smoke collecting plate (130) to rotate.

10. The range hood according to claim 8, wherein an oil collecting groove (140) is formed in an upper side of the first cavity (105), the separating net (120) is obliquely arranged relative to the oil collecting groove (140), a downward-inclined end of the separating net (120) is located above the oil collecting groove (140), the fan assembly (500) is provided with an oil discharge hole (503), the oil discharge hole (503) is located above the oil collecting groove (140), an oil collecting tank (150) is detachably connected to a lower side of the machine body (100), the oil collecting tank (150) is provided with an oil collecting cavity (151) and an oil inlet (152) communicated with the oil collecting cavity (151), the machine body (100) is provided with an oil guide plate (160), and the oil guide plate (160) can guide oil flowing out from the oil collecting groove (140) to the oil inlet (152).