CN212430987U

CN212430987U - Device for filtering oil smoke and range hood

Info

Publication number: CN212430987U
Application number: CN202020720533.8U
Authority: CN
Inventors: 王中妮; 龚东巧; 王书春; 孟永哲; 盖其高; 姜文庆
Original assignee: Qingdao Haier Intelligent Cooking Appliances Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Intelligent Cooking Appliances Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Haier Smart Home Co Ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-01-29
Anticipated expiration: 2030-04-30

Abstract

The utility model relates to a household electrical appliances technical field discloses a device for filtering oil smoke, includes: oil net portion, power portion and magnetic field generating device. The oil screen part is coated with a closed thick film circuit; the power part is connected with the center of the oil net part and is configured to drive the oil net part to rotate; the magnetic field generating device is arranged on the side surface of the oil screen part. In this application, with the thick film circuit coating on oil net portion to set up magnetic field generating device at oil net portion side, produce magnetic field in oil net portion department, thick film circuit cutting magnetic field when making oil net pivoted, closed circuit cutting magnetic field forms the electric current, and make thick film circuit generate heat and heat oil net portion, thereby melt the oil stain on the oil net portion, make the oil stain on the oil net portion be convenient for clean, keep the clean of oil net portion. The application also discloses a range hood.

Description

Device for filtering oil smoke and range hood

Technical Field

The application relates to the technical field of household appliances, for example to a device, lampblack absorber for filtering oil smoke.

Background

At present, the lampblack absorber is the interior indispensable household electrical appliances of kitchen, and the oil smoke that will cook through the lampblack absorber produces discharges the enjoyment that makes the user can more comfortable enjoyment of enjoying the culinary art, but can produce the oil smoke and discharge the oil smoke in the air and can cause the pollution to the air at the culinary art in-process, and the lampblack absorber adopts the oil net to filter the oil stain in the oil smoke in the correlation technique more, reduces the oil stain content when the oil smoke discharges.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

however, the oil net can accumulate oil stains during use and is difficult to remove.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a device for filtering oil smoke, lampblack absorber to solve the problem that the oil net can accumulate the oil stain in the use, and is difficult to clear away.

In some embodiments, an apparatus for filtering cooking fumes comprises: oil net portion, power portion and magnetic field generating device. The oil screen part is coated with a closed thick film circuit; the power part is connected with the center of the oil screen part and is configured to drive the oil screen part to rotate; the magnetic field generating device is arranged on the side surface of the oil net part.

In some embodiments, a range hood includes: the device for filtering oil smoke of the above embodiment.

The device for filtering oil smoke, the range hood provided by the embodiment of the disclosure can realize the following technical effects:

the thick film circuit is coated on the oil screen part, the side face of the oil screen part is provided with a magnetic field generating device, a magnetic field is generated at the oil screen part, the thick film circuit cuts the magnetic field when the oil screen rotates, the circuit cutting magnetic field is closed to form current, the thick film circuit generates heat to heat the oil screen part, oil stains on the oil screen part are melted, the oil stains on the oil screen part are convenient to clean, and the cleanness of the oil screen part is kept.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

fig. 1 is a schematic structural diagram of an apparatus for filtering soot according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a fixing rib provided in the embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a thick film circuit provided by an embodiment of the present disclosure;

FIG. 4 is a schematic diagram of a magnetic field generating device provided by an embodiment of the present disclosure;

FIG. 5 is a schematic diagram of an oil screen section provided by an embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of another oil screen section provided by an embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of a range hood provided by the embodiment of the disclosure;

fig. 8 is an exploded schematic view of a range hood provided by the embodiment of the present disclosure;

FIG. 9 is a schematic structural diagram of an oil screen and oil guiding ring combination provided in an embodiment of the present disclosure;

fig. 10 is a schematic structural diagram of a dynamic oil screen provided in an embodiment of the present disclosure.

Reference numerals:

100. an oil screen section; 200. a power section; 300. a magnetic field generating device; 301. a first magnet; 302. a second magnet; 400. a thick film circuit; 401. a first part; 402. a second section; 403. a third section; 500. fixing the ribs; 501. a first axial rib; 502. a second axial rib; 503. a first radial rib; 504. a second radial rib; 600. a housing; 601. a flue; 700. a dynamic oil screen; 800. an oil guide ring; 801. a collecting section; 802. an oil guide part; 803. a circular through opening; 900. an oil cup; 901. a leak hole; 902. and (4) a protection net.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

In some embodiments, and as shown in conjunction with fig. 1-6, an apparatus for filtering cooking fumes, comprises: oil screen section 100, power section 200, and magnetic field generating device 300. An oil screen portion 100 coated with a closed thick film circuit 400; a power unit 200 connected to the center of the oil network unit 100 and configured to rotate the oil network unit 100; and a magnetic field generating device 300 installed on a side surface of the oil net unit 100.

Adopt the device for filtering oil smoke that this disclosed embodiment provided, coat thick film circuit 400 on oil net portion 100, and set up magnetic field generating device 300 in oil net portion 100 side, produce magnetic field in oil net portion 100 department, thick film circuit 400 cutting magnetic field when making oil net pivoted, closed circuit cutting magnetic field forms the electric current, and make thick film circuit 400 generate heat and heat oil net portion 100, thereby melt the oil stain on oil net portion 100, make the oil stain on oil net portion 100 be convenient for clean, keep oil net portion 100's cleanness.

Optionally, the oil screen portion 100 is circular and is provided with apertures of an arc-shaped groove structure which diverges outwards along the center of the oil screen portion 100. Like this, the hole of arc wall structure has the radian, can have different functions according to the difference of hole radian direction, and the crooked direction of radian in hole is the same with the rotatory direction of oil net portion 100, can reduce the wind of oil net portion 100 when rotatory and cut the noise, and when the crooked direction of radian in hole was opposite with the rotatory direction of oil net portion 100, the interception efficiency of usable oil net portion 100's hole cutting striking oil smoke gas stream improves the oil smoke.

Optionally, the oil screen portion 100 is divided into a plurality of annular regions from the center to the circumference, and the bending direction of the pores in one annular region is opposite to that in the other annular region. In this way, by using the characteristic that the bending directions of the pores in the annular region of the part of the oil screen part 100 are opposite to those of the pores in the other annular region, the oil screen part 100 can reduce wind-cut noise and improve the oil smoke interception effect.

Alternatively, the pore bending direction in the annular region near the circumference of the oil screen portion 100 is the same as the rotation direction of the oil screen portion 100, and the pore bending direction in the annular region near the center of the oil screen portion 100 is opposite to the rotation direction of the oil screen portion 100. Therefore, the linear velocity of the circle center area of the oil screen part 100 in the rotating process is smaller than that of the circumference area, so that the oil fume interception rate of the circle center area is lower, the wind-cut noise of the circumference area is higher, the wind-cut noise of the circumference area can be reduced by the annular area close to the circumference of the oil screen part 100, the holes in the annular area close to the circle center of the oil screen part 100 and the oil fume flow can be cut and collided, and the oil fume interception rate of the circle center area is improved.

Alternatively, the annular regions are arranged in pairs, the circle near the oil screen portion 100 refers to the one of the paired annular regions that is closer to the circumference of the oil screen portion 100, and the circle center near the oil screen portion 100 refers to the one of the paired annular regions that is closer to the circle center of the oil screen portion 100. Therefore, the characteristic that the bending directions of the holes in different annular areas are different can be utilized to achieve the effect of reducing noise or improving the oil smoke interception rate.

Alternatively, the power part 200 is a motor, and a rotating shaft of the motor is connected to the center of the oil screen part 100. Thus, when the power part 200 drives the oil net part 100 to rotate, the oil net part 100 is stressed uniformly.

Optionally, the rotating shaft of the motor is detachably connected to the oil screen portion 100. Thus, the oil screen part 100 is convenient to mount and dismount, and the oil screen part 100 is convenient to dismount for maintenance when the oil screen part 100 is damaged or seriously polluted.

Optionally, the oil mesh part 100 is provided with fixing ribs 500. Thus, the strength of the oil screen part 100 can be enhanced by the fixing ribs 500, the closed thick film circuit 400 can be conveniently coated on the oil screen part 100, the oil screen part 100 generates heat when the cutting magnetic field rotates to melt oil stains on the oil screen part 100, and the cleanness of the oil screen part 100 is kept.

Alternatively, the thick film wire 400 is coated on the fixing rib 500. In this way, the thick film circuit 400 is coated on the fixing rib 500, so that the oil screen part 100 generates heat to melt the oil stain on the oil screen part 100 when the cutting magnetic field is rotated, thereby keeping the oil screen part 100 clean.

Alternatively, the thick film circuit 400 refers to an integrated circuit fabricated by an array film process on the same substrate, and the materials for fabricating the thick film are five types of paste, such as conductor, resistor, dielectric, insulation, and encapsulation. Thus, the thick film circuit 400 has simple and convenient manufacturing process and low cost, and the production cost of the device is reduced.

Optionally, the fixing rib 500 includes: axial ribs and radial ribs. The axial ribs are in a circular ring structure; the radial ribs are connected to the axial ribs and connect the center and periphery of the oil screen portion 100. Like this, the axial muscle of ring structure can cover the circumference region of oil net portion 100, and radial muscle can cover the radial region of oil net portion 100, makes oil net portion 100 when rotatory cutting magnetic field, and the heat that produces on axial muscle and the radial muscle is more comprehensive heats oil net portion 100, makes melting that the oil stain on the oil net portion 100 is faster, the cleanness of the oil net portion 100 of being convenient for.

Optionally, there are a plurality of axial ribs and radial ribs, and the axial ribs are distributed in the circumferential direction of the oil screen portion 100, and the radial ribs are distributed in the diameter direction of the oil screen portion 100. Like this, can not only increase the intensity of oil net portion 100, can also increase the coverage area of axial muscle and radial muscle on the oil net portion 100, make oil net portion 100 by better heating, melt the oil stain on the oil net portion 100, the cleanness of the oil net portion 100 of being convenient for.

Optionally, the plurality of axial ribs comprises: a first axial rib 501 and a second axial rib 502. Like this, can increase the coverage area of the last axial muscle of oil net part 100, make oil net part 100 by better heating, melt the oil stain on oil net part 100, be convenient for oil net part 100's cleanness.

Optionally, the first axial rib 501 is located at the circumference of the oil pan section 100. In this way, the circumferential area of the oil screen portion 100 is heated by the first axial rib 501, so that oil stains on the circumferential area of the oil screen portion 100 are melted, and the oil screen portion 100 is convenient to clean.

Optionally, the second axial rib 502 is located within a circular area of the oil pan section 100. Thus, when the inner area of the oil screen part 100 is heated by the second axial rib 502, oil stains in the inner area of the oil screen part 100 are melted, and the oil screen part 100 is convenient to clean.

Optionally, the plurality of radial ribs comprises: a first radial rib 503 and a second radial rib 504. Like this, can increase the coverage area of radial muscle on the oil net part 100, make oil net part 100 by better heating, melt the oil stain on the oil net part 100, be convenient for oil net part 100's cleanness.

Alternatively, the thick film wire 400 includes: the first portion 401, the second portion 402 and the third portion 403, and the first portion 401 and the second portion 402 are communicated through the third portion 403 to form a closed loop. Thus, the coverage area of the thick film circuit 400 on the oil screen part 100 can be increased, more heat is generated when the oil screen part 100 rotates, oil stains on the oil screen part 100 are melted, and the oil screen part 100 is convenient to clean.

Alternatively, the first portion 401 is located on the first axial rib 501, the second portion 402 is located on the second axial rib 502, and the third portion 403 is located on the first radial rib 503 and the second radial rib 504. In this way, the thick film wire 400 is provided with a larger area covering the oil mesh portion 100, and the oil mesh portion 100 can be heated easily.

Alternatively, the magnetic field generating device 300 includes: a first magnet 301 and a second magnet 302. The first magnet 301 is disposed at one side of the oil mesh part 100; the second magnet 302 is disposed at the other side of the oil screen portion 100 symmetrically to the first magnet 301. Like this, through setting up first magnet 301 and the second magnet 302 in oil net portion 100 both sides and producing magnetic field, make oil net portion 100 cut magnetic field in rotatory process and produce the heat to make the faster melting of the oil stain on oil net portion 100, be convenient for oil net portion 100 clean.

Optionally, the first magnet 301 and the second magnet 302 are both in a long strip shape, and the length of the first magnet 301 and the length of the second magnet 302 are greater than or equal to the diameter of the oil mesh part 100. In this way, a magnetic field having a large space is formed between the first magnet 301 and the second magnet 302, and the oil screen portion 100 can generate heat by cutting the magnetic field more completely when rotating.

Optionally, distances between the first magnet 301 and the second magnet 302 and the oil screen part 100 are both L, and L is greater than or equal to 3cm and less than or equal to 5 cm. Thus, while ensuring the strength of the magnetic field formed between the first magnet 301 and the second magnet 302, the interference of the first magnet 301 and the second magnet 302 with the air flows on the air intake side and the air outlet side of the oil mesh portion 100 is reduced.

Alternatively, the distance L between the first and

second magnets

301 and 302 and the oil mesh part 100 is 4 cm. In this way, the strength of the magnetic field formed between the first magnet 301 and the second magnet 302 is made strong, and the degree of interference of the first magnet 301 and the second magnet 302 with the airflow of the oil screen portion 100 is made weak.

Optionally, the first magnet 301 and the second magnet 302 are both fixed at the air inlet end of the smoke flue of the range hood through a bracket. In this way, stability of the first and

second magnets

301 and 302 may be enhanced, and a magnetic field may be formed in a space between the first and

second magnets

301 and 302, which facilitates heat generation by the cutting magnetic field when the oil pan section 100 rotates.

Alternatively, the opposing faces of the first magnet 301 and the second magnet 302 are opposite in magnetic polarity. In this way, a magnetic field is generated in the region between the first magnet 301 and the second magnet 302, so that the cutting magnetic field generates heat when the oil screen portion 100 rotates, and the oil screen portion 100 is cleaned.

Alternatively, the oil mesh part 100 is provided in plurality, and the plurality of oil mesh parts 100 are concentrically provided. Therefore, the oil smoke is filtered layer by layer through the oil screen parts 100 which are concentrically arranged, and the interception rate of the oil smoke is improved.

Alternatively, the plurality of oil mesh portions 100 have different diameters. Therefore, the oil screen parts 100 with different diameters rotate to intercept oil smoke, and the rotation of the oil screen part 100 with a small diameter guides the oil smoke in the circle center area of the oil screen part 100 with a large diameter to the circumferential area, so that the oil smoke interception rate in the circle center area of the oil screen part 100 with a large diameter is improved.

Alternatively, the diameters of the plurality of oil screen portions 100 increase from windward side to leeward side layer by layer. Therefore, as the diameter of the oil screen part 100 positioned on the windward side is small, when oil smoke enters the oil screen part 100, the rotation of the oil screen part 100 with the small diameter on the windward side is beneficial to guiding the oil smoke positioned in the circle center area of the oil screen part 100 with the large diameter on the leeward side to the circumferential area, so that the oil smoke interception rate of the circle center area of the oil screen part 100 with the large diameter is beneficial to improving, and the oil smoke interception rate of the whole oil screen is further improved.

Optionally, the pore size of the pores of the plurality of oil screen sections 100 is enlarged layer by layer. Therefore, when the oil smoke is intercepted by the multilayer oil screen part 100, oil smoke particles with different particle sizes are intercepted according to different pore sizes of the oil screen part 100, the oil screen part 100 with the large pore size intercepts large-particle oil smoke, the oil screen part 100 with the small pore size intercepts small-particle oil smoke, and therefore the oil smoke with different particle sizes can be intercepted, and the oil smoke interception rate is improved.

Alternatively, the pore diameters of the pores of the plurality of oil screen portions 100 decrease layer by layer from the windward side to the leeward side. Therefore, when the oil smoke is intercepted through the multilayer oil net part 100, large-particle oil smoke particles are intercepted firstly, and small-particle oil smoke particles are intercepted later, so that the oil smoke interception rate is improved.

Referring to fig. 7-10, in some embodiments, a range hood further includes a device for filtering soot of any of the above embodiments.

In some embodiments, a range hood, comprising: casing 600, dynamic oil screen 700 and oil guiding ring 800. A vertical flue 601 is arranged inside the shell 600; the dynamic oil screen 700 is arranged in the flue 601 or at a port and comprises an oil screen part 100 and a power part 200 for driving the oil screen part 100 to rotate; the oil guide ring 800 includes a collecting portion 801 and an oil guide portion 802 provided below the collecting portion 801, and the collecting portion 801 is fitted around the periphery of the oil network portion 100.

Adopt this disclosed embodiment to provide's lampblack absorber, set up at dynamic oil net 700 and lead oil ring 800, wherein lead oil ring 800's collection portion 801 cover and establish at dynamic oil net 700's week circle, collect the oil stain that dynamic oil net 700 threw away after, make the oil stain store in oil guide portion 802 along with collection portion 801 flows in, better collect the oil stain on dynamic oil net 700, prevent oil stain sputtering.

Alternatively, the oil guide 802 is a rectangular groove with a circular through opening 803 in the middle. Thus, the oil guide part 802 can smoothly guide the collected oil stain out, and the oil stain is prevented from leaking.

Optionally, the diameter of the circular opening 803 is larger than the diameter of the oil mesh portion 100. Like this for outside oil smoke can smoothly get into dynamic oil net 700 through oil guide 802, the oil stain in the oil smoke of being convenient for is intercepted by dynamic oil net 700.

Optionally, the collecting portion 801 is a turned-over edge protruding upward relative to the oil guiding portion 802, and the collecting portion 801 and the oil guiding portion 802 are connected by welding. Like this for the oil stain that collection portion 801 can be better collected oil net portion 100 and thrown away prevents that oil stain from spattering.

Optionally, the detachable connection comprises a screw connection or a snap connection. Therefore, the screw connection and the buckle connection belong to common detachable connection modes, and are convenient to operate and install.

Alternatively, the power part 200 is fixed to the inner wall of the flue 601 by welding through the connecting ribs. Therefore, the power part 200 and the inner wall of the flue 601 are welded and fixed through the connecting ribs, so that the power part 200 is more stable, and vibration and noise generated when the power part 200 works are reduced.

Optionally, the oil guide ring 800 is detachably mounted on the side wall of the flue 601 corresponding to the dynamic oil screen 700. Thus, the oil guide ring 800 is convenient to disassemble for maintenance.

Optionally, a preset included angle is provided between the dynamic oil screen 700 and the horizontal plane. Therefore, oil stains intercepted on the dynamic oil screen 700 can smoothly flow down, and the dynamic oil screen 700 is convenient to clean.

Optionally, the oil deflector 800 is mounted parallel to the dynamic oil screen 700. Like this for lead oil ring 800 plane and dynamic oil net 700 plane parallel, do benefit to and lead oil ring 800 and collect the derivation to the oil stain that throws away when dynamic oil net 700 rotates, prevent that the oil stain from outwards sputtering.

Optionally, dynamic oil screen 700 is horizontally disposed. Therefore, the oil screen part 100 is stressed uniformly when rotating, and the service life of the oil screen part 100 is prolonged.

Optionally, the collecting part 801 is installed in parallel with the dynamic oil screen 700, and a preset included angle is formed between the lower side surface of the oil guiding part 802 and the horizontal plane. Like this for collection portion 801 and dynamic oil net 700 are in the coplanar, do benefit to collection portion 801 and collect the oil stain that throws away when rotating dynamic oil net 700, lead and be equipped with between oil portion 802 downside and the horizontal plane and predetermine the contained angle and do benefit to the oil stain that collection portion 801 collected and derive smoothly, the better oil stain to on the dynamic oil net 700 is collected, prevents that the oil stain from spattering.

Optionally, the preset included angle is greater than or equal to 5 degrees and less than or equal to 45 degrees. Like this for dynamic oil net 700 inclines for the horizontal plane, but the inclination of dynamic oil net 700 is less than or equal to the degree, has both guaranteed that the oil stain of intercepting on dynamic oil net 700 can flow down smoothly, and the atress is relatively even when making dynamic oil net 700 rotate again, can be better collect the oil stain on dynamic oil net 700, can prolong dynamic oil net 700's life again.

Optionally, the radial size difference between the oil guide ring 800 and the dynamic oil screen 700 is L, and L is greater than or equal to 3mm and less than or equal to 10 mm. Therefore, the collection part 801 of the oil guide ring 800 is sleeved on the dynamic oil screen 700, oil stains intercepted on the dynamic oil screen 700 are better collected while the rotation of the dynamic oil screen 700 is not influenced, and the oil stains are prevented from being sputtered.

Optionally, the vertical height difference of the oil guide ring 800 and the dynamic oil screen 700 is B, and B is greater than or equal to 2mm and less than or equal to 2 mm. Like this, make and lead to have vertical difference in height between oil portion 802 of leading of oil ring 800 and the oil net portion 100 of dynamic oil net 700, be convenient for carry out the water conservancy diversion to the oil stain of collecting when not influencing dynamic oil net 700 rotation, prevent oil stain sputtering.

Optionally, an oil cup 900 is disposed below the lower end of the oil guide ring 800. Like this for in the oil stain that leads oil portion 802 and derive can flow into oil cup 900 smoothly, the storage of the oil stain of being convenient for prevents that the oil stain from leaking outward.

Optionally, the oil cup 900 is detachably disposed at the lowest end of the oil guide 802. Thus, the oil cup 900 is convenient to disassemble and clean oil stains in the oil cup 900.

Optionally, the lowest end of the oil guide 802 is provided with a leak hole 901 configured to communicate the oil guide 802 with the oil cup 900. Thus, oil stains in the oil guide part 802 can drop into the oil cup 900 through the leakage hole 901, and the oil stains can be conveniently led out.

Optionally, the oil cup 900 is strip-shaped. Like this for more oil stain can be stored to oil cup 900 when not sheltering from dynamic oil net 700, prevents that the oil stain from leaking outward.

Optionally, the range hood further comprises: and a protection net 902 disposed under the dynamic oil net 700. In this way, the user is protected from contacting the rotating dynamic oil screen 700 during use, and safety is improved.

Optionally, protective mesh 902 is detachably mounted on oil guide ring 800, and mounted protective mesh 902 is concentric with dynamic oil mesh 700. Therefore, the protection net 902 is convenient to detach and maintain, and the installed protection net 902 cannot influence the oil smoke entering the flue 601 to be cleaned by the dynamic oil net 700.

Optionally, protective netting 902 is covered with an oil-repellent coating. Therefore, the adhesion of oil stains on the protection net 902 is reduced, and the oil smoke suction is prevented from being influenced by the adhesion of more oil stains on the protection net 902.

Optionally, the oil-repellent coating is a nanosilica coating. Thus, the nano-silica is sprayed on the protective net 902 to prevent oil stains from condensing on the protective net 902 and keep the protective net 902 clean.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A device for filtering cooking fumes, characterized by comprising:

an oil screen portion coated with a closed thick film circuit;

a power part connected with the center of the oil net part and configured to drive the oil net part to rotate;

and the magnetic field generating device is arranged on the side surface of the oil screen part.

2. The device of claim 1, wherein the oil mesh portion is provided with a fixing rib.

3. The apparatus of claim 2, wherein the thick film trace is coated on the anchor bars.

4. The device of claim 3, wherein the fixation rib comprises:

the axial rib is of a circular ring structure;

and the radial ribs are connected with the axial ribs and connected with the center and the periphery of the oil screen part.

5. The apparatus of claim 1, wherein the magnetic field generating means comprises:

a first magnet disposed at one side of the oil mesh part;

and the second magnet is arranged on the other side of the oil screen part and is symmetrical to the first magnet.

6. The apparatus of claim 5, wherein the opposing faces of the first magnet and the second magnet are oppositely poled.

7. The apparatus according to any one of claims 1 to 6, wherein the oil mesh portion is provided in plurality, and the plurality of oil mesh portions are concentrically provided.

8. The apparatus of claim 7, wherein a plurality of the oil mesh portions have different diameters.

9. The apparatus of claim 8, wherein the plurality of oil screen portions increase in diameter from windward to leeward in layers.

10. A range hood, characterized by further comprising a device for filtering cooking fumes according to any one of claims 1 to 9.