CN110836407A

CN110836407A - Filtering component and oil smoke purifier

Info

Publication number: CN110836407A
Application number: CN201911169765.7A
Authority: CN
Inventors: 谭柏豪; 王春旭; 蒋济武
Original assignee: Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-02-25
Anticipated expiration: 2039-11-25
Also published as: CN110836407B

Abstract

The invention discloses a filter assembly and an oil fume purification device, wherein the filter assembly comprises a filter cartridge, the peripheral wall of the filter cartridge is provided with a convex part and/or a concave part, at least part of the convex part and/or the concave part is provided with a filter hole, and at least part of the convex part and/or the concave part is provided with a wind shield, so that the filter cartridge can rotate automatically under the action of air flow. The technical scheme of the invention can improve the separation effect on the grease.

Description

Filtering component and oil smoke purifier

Technical Field

The invention relates to the field of kitchen appliances, in particular to a filtering component and an oil fume purifying device.

Background

In order to separate grease in the oil smoke, the filter screen that generally adopts the flat form in present oil smoke purifier filters the oil smoke, generally, in order to promote the grease separation degree, some filter screen models adopt the form increase filter screen surface area of positive awl or back taper to promote the filter effect. However, such flat screens still have poor contact with grease, and therefore do not completely separate grease.

Disclosure of Invention

The invention mainly aims to provide a filter assembly, aiming at improving the separation effect of grease.

In order to achieve the above object, the filter assembly provided by the present invention includes a filter cartridge, wherein a peripheral wall of the filter cartridge has a protrusion and/or a recess, at least a portion of the protrusion and/or the recess is provided with a filter hole, and at least a portion of the protrusion and/or the recess is provided with a wind shield, so that the filter cartridge can rotate automatically under the action of an air flow.

The setting of deep bead provides the atress working face for the air current, and after the air current was blockked by the deep bead plane through filtering component, the air current promoted filtering component rotatory. Then the air current flows to the filtration pore along the face of deep bead, flows through filtering component through filtering the pore. In the process that the air flow pushes the wind shield and flows through the filter holes, the filter assembly rotates to continuously collide the air flow, so that particulate matters in the air flow, such as grease and the like, are intercepted by the wind shield, the collision process can fully filter the air flow, the filter effect is enhanced, and the probability of oil smoke pollution of a fan system is reduced.

Optionally, the protruding portion has a first bending section, the recessed portion has a second bending section, the first bending section and/or the second bending section are provided with the filter hole, and the wind deflector is connected to the first bending section and the second bending section.

The width of the wind deflector extends in a direction substantially facing the direction of flow of the air flow, thereby ensuring that the wind deflector is better exposed to the air flow.

Optionally, the protruding portion further has a connecting section, and the connecting section is provided with the filtering hole;

the connecting section and the wind shield are respectively connected with two opposite side edges of the first bending section distributed along the width direction, and the connecting section is connected with the second bending section.

When the airflow flows to the connecting section, the airflow directly flows into the interior of the filter cartridge from the filter holes on the connecting section, the flowing direction of the airflow is not changed generally, the airflow continues to flow along the rotating path generally, and the airflow directly flows to the inner surface of the opposite wind shield, so that the filter cartridge is pushed to rotate from inside to outside along the rotating direction.

Optionally, the distance between the connection section and the wind deflector increases gradually in a direction in which the projection points toward the axis of rotation of the filter cartridge.

Therefore, the width of the connecting section and the wind shield can be larger, and the action area of the connecting section and the wind shield with the airflow is larger.

Optionally, the bending points of the first bending segments are located on the same circumference, the bending points of the second bending segments are located on the other same circumference, and the centers of the two circumferences are coincident.

The uniformity of the stress of each radial direction of the peripheral wall of the filter cartridge is ensured, and the eccentricity of the filter cartridge is avoided, so that the filter cartridge can rotate freely and better.

Optionally, two side edges of the first bending section distributed along the width direction are respectively connected with one wind deflector.

The air current can direct action on the deep bead, rather than on acting on the deep bead again after filtering through the filtration pore, so can reduce the filtration pore to blockking of air current, the power of reinforcing cartridge filter.

Optionally, one of the wind deflectors is adjacent to the other wind deflector in a direction in which the projection points toward the axis of rotation of the filter cartridge.

Optionally, two wind deflectors in the same second bending section are connected, wherein an included angle between one wind deflector and the second bending section is smaller than an included angle between the other wind deflector and the second bending section.

After the air current acted on first deep bead, partial air current can flow towards the junction of first deep bead and second bending segment, and this partial air current is concentrated in this junction, and littleer contained angle can make the concentrated effect of air current better, and the air current effort that the event this junction received is great, is favorable to promoting the cartridge filter rotation.

Optionally, the first bending section and the second bending section are both arc sections, the plurality of first bending sections are located on the same circumference, the plurality of second bending sections are located on the other same circumference, and centers of the two circumferences are overlapped.

The center of a circle of two circumferences is coincided and arranged, the uniformity of stress of each radial direction of the circumferential wall of the filter cartridge is guaranteed, and the eccentricity of the filter cartridge is avoided, so that the filter cartridge can rotate freely and better.

Optionally, one concave part is arranged between two adjacent convex parts.

All set up the filtration hole so between per two deep beads and be used for filtering the oil smoke, the deep bead constantly interlocks with filtering the hole and links to each other, is rolled up similar gear or plum blossom form finally.

Optionally, the filter assembly includes a plurality of filter cartridges, the plurality of filter cartridges are arranged along the same axial direction, and the protrusion of one filter cartridge is disposed corresponding to the recess of an adjacent filter cartridge.

On one hand, the weight of the filter assembly can be reduced, and on the other hand, the number of the wind shields can be made up to be insufficient, so that the filter assembly can be rotated more easily.

Optionally, the filter cartridge is formed by bending a mesh plate into the concave part and the convex part.

Integrative filter screen can be directly when wasing filter cartridge surface cleaning filtration pore and deep bead, does not need independent dismouting filter cartridge, promotes the abluent simplicity of user. Meanwhile, the strength of the filter screen can be enhanced by the integrally forming mode.

The invention also provides an oil fume purification device, which is a range hood or an integrated stove; the oil smoke purifier includes:

the shell is provided with a smoke suction port, a smoke exhaust port and an air duct, and the air duct is provided with an air inlet section connected with the smoke suction port and an air outlet section connected with the smoke exhaust port;

the fan is arranged at the air outlet section; and

the filter component is rotatably arranged on the air inlet section.

Through set up filtering component in fume purification device, because filtering component can rotate consequently simultaneously when the flue gas flows through filtering component from crossing the filtration pore, filtering component is rotatory constantly to collide the flue gas, makes the particulate matter in the flue gas for example grease etc. by filtering component interception, and this collision process can fully filter the flue gas, strengthens the filter effect. Because filtering component sets up in the air inlet section, so can filter the flue gas before the flue gas enters into the fan, consequently can reduce the probability that the fan is polluted by the oil smoke.

Optionally, the filter assembly extends along the length of the smoking port, the axis of rotation of the filter assembly being along the length thereof.

The filter assembly sets up between front panel and backplate, and the cavity that extends along left right direction that this department formed does benefit to filter assembly's left and right sides extension, and both match more in the shape, consequently can better adapt to filter assembly's setting to guarantee as far as possible that filter assembly separates the wind channel for upper and lower two parts, the gas that significantly reduces runs to the fan promptly through filter assembly filtration.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a lampblack purification device of the invention;

FIG. 2 is a schematic sectional view of the fume purifier shown in FIG. 1 taken along the line A-A-A;

FIG. 3 is a schematic view showing the internal structure of the oil fume purification apparatus shown in FIG. 1;

FIG. 4 is a schematic view of the filter assembly of FIG. 3;

FIG. 5 is a schematic structural view of the filter cartridge of FIG. 4;

FIG. 6 is a schematic plan view of an end face of the filter cartridge of FIG. 4;

FIG. 7 is a schematic plan view of an end face of a filter cartridge in another embodiment of a filter assembly of the present invention;

fig. 8 is an exploded view of the filter assembly of fig. 4.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Filter assembly	13	Support rod
11	Filter cartridge	131	Support strip
				111	Projecting part	14	Rotating shaft
1111	First bending section	20	Outer casing
				1112	Connecting segment	21	Smoking mouth
112	Concave part	22	Smoke outlet
				1121	Second bending section	23	Air duct
113	Filter hole	231	Air inlet section
				114	Wind deflector	232	Air outlet section
1141	First wind shield	24	Front panel
				1142	Second wind deflector	25	Back plate
115	Transition section	26	Supporting seat
				12	Support plate	30	Fan blower

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a filter assembly.

In an embodiment of the present invention, please refer to fig. 4 to fig. 6 in combination, the filter assembly 10 includes a filter cartridge 11, a peripheral wall of the filter cartridge 11 has a protrusion 111 and/or a recess 112, at least a portion of the protrusion 111 and/or the recess 112 is provided with a filter hole 113, and at least a portion of the protrusion 111 and/or the recess 112 is provided with a wind shield 114, so that the filter cartridge 11 can rotate by itself under the action of the air flow.

In the present embodiment, the filter cartridge 11 has a substantially circular cylindrical structure. In one embodiment, the peripheral wall of the filter cartridge 11 has the protrusion 111 and the recess 112, but the peripheral wall of the filter cartridge 11 may have only the protrusion 111 or the recess 112. The projections 111 and the recesses 112 are arranged in the circumferential direction of the filter cartridge 11, and specifically, the projections 111 and the recesses 112 are alternately arranged in the circumferential direction of the filter cartridge 11; alternatively, a plurality of concave parts 112 are arranged between two adjacent convex parts 111; alternatively, a plurality of protrusions 111 are disposed between two adjacent recesses 112.

In this embodiment, the wind deflector 114 acts as a force-bearing component for the air flow, and the air flow directly acts on the wind deflector 114, thereby pushing the filter cartridge 11 to rotate. Since the wind deflector 114 is a force-receiving member for the air flow, the extending direction of the width of the wind deflector 114 intersects at least the rotating direction of the filter cartridge 11 in order to ensure that the wind deflector 114 is in contact with the air flow. The provision of the projections 111 and/or the recesses 112 ensures that the peripheral wall of the filter cartridge 11 can be formed into a concavo-convex structure, thereby ensuring that the wind shielding plate 114 can serve as a force-receiving member for the air flow.

In the present invention, the wind deflector 114 provides a force-bearing surface for the air flow, and when the air flow passes through the filter assembly 10 and is blocked by the plane of the wind deflector 114, the air flow pushes the filter assembly 10 to rotate. The air then flows along the face of the air deflector 114 towards the filter aperture 113 and through the filter assembly 10 via the filter aperture 113. In the process that the air flow pushes the wind shield 114 and flows through the filter holes 113, the filter assembly 10 rotates to continuously collide with the air flow, so that particulate matters such as grease and the like in the air flow are intercepted by the wind shield 114, the collision process can fully filter the air flow, the filtering effect is enhanced, and the probability of oil smoke pollution of the fan 30 system is reduced.

Referring to fig. 6 and 7, in an embodiment, the protrusion 111 has a first bending section 1111, the recess 112 has a second bending section 1121, the first bending section 1111 and/or the second bending section 1121 is provided with the filtering holes 113, and the wind deflector 114 is connected to the first bending section 1111 and the second bending section 1121. In this embodiment, the first bending section 1111 and the second bending section 1121 may be circular arc sections or at least two straight sections. The first bent section 1111 of the protrusion 111 protrudes in a direction away from the rotational axis of the filter cartridge 11, and the second bent section 1121 of the recess 112 protrudes in a direction close to the rotational axis of the filter cartridge 11. The top point of the first bending section 1111 serves as the outermost edge of the peripheral wall of the filter cartridge 11, the bottom point of the second bending section 1121 serves as the innermost edge of the peripheral wall of the filter cartridge 11, and the airflow is generally tangential to the two positions, and if the two positions and the surrounding area thereof are used as the wind deflector 114, the component force of the airflow decomposed on the wind deflector 114 is small, that is, the wind deflector 114 is pushed by the airflow too little. Therefore, in the present embodiment, the wind deflector 114 is disposed between the two positions and is respectively connected to the first bending section 1111 and the second bending section 1121, so that the extending direction of the width of the wind deflector 114 is substantially facing the flowing direction of the airflow, thereby ensuring that the wind deflector 114 can better receive the airflow.

In the above, two sides of the first bending section 1111 in the width direction may be respectively connected to the wind deflector 114 and the filter plate having mesh; alternatively, one wind deflector 114 may be connected to each of both sides of the first bending section 1111 in the width direction. These two cases are specifically explained below:

referring to fig. 6, in an embodiment, the protruding portion 111 further has a connecting section 1112, and the connecting section 1112 is provided with the filtering hole 113; the connecting section 1112 and the wind deflector 114 are respectively connected to two opposite side edges of the first bending section 1111 distributed along the width direction, and the connecting section 1112 is connected to the second bending section 1121. In this embodiment, the connection segment 1112 is disposed at one end of the first bending segment 1111, so that the connection segment 1112 is disposed facing the wind deflector 114. The width direction of the connecting segment 1112 also extends to face the flowing direction of the air flow, so that the air flow flows into the connecting segment 1112 directly from the filter holes 113 on the connecting segment 1112 to the inside of the filter cartridge 11, and the flowing direction of the air flow is not changed substantially, continues to flow along the rotating path substantially and flows directly to the inner surface of the opposite wind shield 114, thereby pushing the filter cartridge 11 to rotate from inside to outside along the rotating direction.

Alternatively, the distance between the connection segment 1112 and the wind deflector 114 gradually increases in a direction in which the protrusion 111 points toward the rotational axis of the filter cartridge 11. Specifically, in the direction in which the protrusion 111 points to the rotation axis of the filter cartridge 11, the connecting section 1112 and the wind deflector 114 simultaneously extend in the direction away from each other, so that the width of the connecting section 1112 and the wind deflector 114 can be larger and the area of action with the air flow can be larger.

In this embodiment, one of the recesses 112 is disposed between two adjacent protrusions 111, that is, each of the first bent sections 1111 connects the connecting section 1112 and the wind deflector 114 at the same time, and each of the second bent sections 1121 connects the connecting section 1112 and the wind deflector 114 at the same time, so that each of the connecting sections 1112 faces the wind deflector 114. For example, assuming that the flow direction of the air flow is as shown in fig. 6, the air flow flows into the interior of the filter cartridge 11 from the filter holes 113 on the connecting segment 1112, and then acts on the wind deflector 114 to push the wind deflector 114 to move.

In the above embodiment, the bending points of the first bending segments 1111 are located on the same circle R1, the bending points of the second bending segments 1121 are located on another same circle R2, and the centers of the two circles coincide. Specifically, the bending points of the first bending sections 1111 are located on the same circle R1, so that the apexes of the protrusions 111 of the filter cartridge 11 are located on the same circle R1, the distances between the apexes of the protrusions 111 and the rotation axis are the same, and the centripetal forces applied to the apexes of the protrusions 111 are substantially the same, thereby ensuring the uniformity of the forces applied to the outer edge of the filter cartridge 11. Similarly, the bending points of the second bending segments 1121 are located on the same circle R2, so that the bottom points of the recesses 112 of the filter cartridge 11 are located on the same circle R2, the bottom points of the recesses 112 are located at the same distance from the rotation axis, and the centripetal forces applied to the bottom points of the recesses 112 are substantially the same, thereby ensuring the uniformity of the forces applied to the recesses of the filter cartridge 11. And the centre of a circle coincidence setting with two circumferences has guaranteed the homogeneity of each radial direction atress of cartridge filter 11 perisporium, has avoided cartridge filter 11 eccentric to make cartridge filter 11 can better free rotation.

Referring to fig. 7, in an embodiment, two side edges of the first bending section 1111 distributed along the width direction are respectively connected to one of the wind deflectors 114, the two wind deflectors 114 both extend from the first bending section 1111 toward the direction close to the rotation axis, and the two wind deflectors 114 both are connected to the second bending section 1121, such that one of the concave portions 112 is disposed between two adjacent protruding portions 111. In the filter screen in this embodiment, the wind shield 114 and the first bending section and the second bending section provided with the filter holes 113 are staggered with each other and are uniformly disposed on the periphery of the filter cartridge 11, so as to optimize the balance weight of the filter cartridge 11, and prevent an eccentric problem caused by too large weight in a certain region of the surface of the filter cartridge 11. When the filter cartridge 11 rotates, the air flow is blocked by the filter holes 113 and then pushes the wind shield 114, so that a part of power of the filter cartridge 11 is lost. In this embodiment, on the premise that the wind deflector 114 is connected with the first bending section and the second bending section in a staggered manner, the connection mode between the wind deflector 114 and the first bending section and the second bending section is improved, and the airflow can directly act on the wind deflector 114 instead of acting on the wind deflector 114 after being filtered through the filtering holes 113, so that the blocking of the filtering holes 113 to the airflow can be reduced, and the power of the filter cartridge 11 is enhanced.

In one embodiment, one of the wind deflectors 114 approaches the other wind deflector 114 in a direction in which the protrusions 111 point toward the rotational axis of the filter cartridge 11. Optionally, two wind deflectors 114 in the same first bending section 1111 are connected, and the extending directions of the widths are the same, where the extending directions of the widths are the same, which means that the wind deflectors extend from the first bending section 1111 in the same circumferential direction. For better illustration, two wind deflector 114 connected to the same first inflection section 1111 are defined as a first wind deflector 1141 and a second wind deflector 1142, respectively. During the rotation of the filter cartridge 11 in the clockwise direction, the first wind deflector 1141 directly faces the airflow direction of the airflow, so that the first wind deflector 1141 directly contacts the airflow as a direct acting surface of the airflow. In addition, a portion of the air flow flows into the interior of the filter cartridge 11 from the first inflection section 1111 and flows toward the second baffle 1142, which pushes the second baffle 1142 to move. All there is the air current effect so on first deep bead 1141 and the second deep bead 1142, and the windward area of whole cartridge filter 11 is great, and the driving force that cartridge filter 11 received is great to make cartridge filter 11's rotation more smooth and easy.

Optionally, an included angle α between the first wind deflector 1141 and the second bending section 1121 is smaller than an included angle β between the second wind deflector 1142 and the second bending section 1121, when the airflow acts on the first wind deflector 1141, a part of the airflow flows toward a joint of the first wind deflector 1141 and the second bending section 1121, the part of the airflow is concentrated at the joint, and the smaller included angle enables the concentration effect of the airflow to be better, so that the airflow acting force on the joint is larger, which is beneficial to pushing the filter cartridge 11 to rotate.

In an embodiment, the first bending sections 1111 and the second bending sections 1121 are circular arc sections, a plurality of the first bending sections 1111 are located on the same circumference R3, a plurality of the second bending sections 1121 are located on another same circumference R4, and the centers of the two circumferences are coincident. Specifically, the plurality of first inflection segments 1111 are located on the same circle R3, which means that each first inflection segment 1111 extends along the same circle R3, so as to ensure that the distance from the rotation axis of each first inflection segment 1111 is the same, and the centripetal force applied to each first inflection segment 1111 and each position of the first inflection segment 1111 is substantially the same, thereby ensuring the uniformity of the force applied to the outer edge of the filter cartridge 11. Similarly, a plurality of second bending segments 1121 are located on another same circumference R4, which means that each second bending segment 1121 extends along a same circumference R4, so that it is ensured that each second bending segment 1121 of the filter cartridge 11 is located on the same circumference R4, and the centripetal forces applied to each second bending segment 1121 and each position of the second bending segment 1121 are substantially the same, thereby ensuring the uniformity of the stress applied to the recess of the filter cartridge 11. And the centre of a circle coincidence setting with two circumferences has guaranteed the homogeneity of each radial direction atress of cartridge filter 11 perisporium, has avoided cartridge filter 11 eccentric to make cartridge filter 11 can better free rotation.

Optionally, the first bending section 1111 and the wind deflector 114 and the second bending section 1121 are transitionally connected by a transition section 115, so that the connection at each connection is smoother and less obstructed to the air flow, and the transition section 115 is a circular arc section. The transition section 115 may be provided with filter holes 113, and the transition section 115 may not be provided with filter holes 113. For example, the transition section 115 between the second bending section 1121 and the first wind deflector 1141 is not opened with the filter holes 113.

Referring again to fig. 4, in an embodiment, the filter assembly 10 includes a plurality of filter cartridges 11, the filter cartridges 11 are arranged along a same axial direction, wherein the protrusion 111 of one filter cartridge 11 is disposed corresponding to the recess 112 of the adjacent filter cartridge 11. By such arrangement, the concave portions 112 and the convex portions 111 in the two filter cartridges 11 are distributed in a staggered manner, so that the weight of the filter assembly 10 can be reduced, and the number of the wind shielding plates 114 can be made up for the shortage, so that the filter assembly 10 can be rotated more easily.

In the above, the filter cartridge 11 is formed by bending the filter holes 113 to form the concave part 112 and the convex part 111, so that the processing is convenient, and the concave part 112 and the convex part 111 are integrally formed by bending, which is beneficial to enhancing the structural strength of the whole filter cartridge 11. In other embodiments, the filter cartridge 11 may be an integrally molded structure.

In order to reduce the self weight of the filter cartridge 11 and reduce the moment of inertia, the filter cartridge 11 can also rotate freely under the premise of low wind speed, in this embodiment, a scheme of integrally forming the wind shield 114 and the filter screen is adopted. That is, the wind deflectors 114 are connected with the filter screen with the filtering holes 113 (that is, the wind deflectors 114, the first bending section 1111, the second bending section 1121 and the connecting section 1112 are connected into an integral structure), so that the filtering holes 113 are formed between every two wind deflectors 114 for filtering oil smoke, the wind deflectors 114 are continuously connected with the filtering holes 113 in a staggered manner, and finally are rolled into a shape similar to a gear or a plum blossom. For the gear shape, the connection part of the filter screen and the wind shield 114 is convex towards the periphery, that is, the connection part of the first bending section 1111 and the wind shield 114 adopts circular arc transitional connection, the connection part of the second bending section 1121 and the wind shield 114 adopts circular arc transitional connection, and the circular arc is convex towards the periphery, so that the strength of the filter screen is enhanced. For the plum blossom shape, the filter screen itself is convex or concave towards the periphery, i.e. the first bending section 1111 itself is convex towards the outside, and the second bending section 1121 itself is concave towards the inside, which also enhances the strength of the filter screen. In addition, the integrated filter screen can directly clean the filter holes 113 and the wind shield 114 on the surface of the filter cartridge 11 when cleaning, the filter cartridge 11 does not need to be detached independently, and the cleaning simplicity of a user is improved.

Referring to fig. 8, in an embodiment, the filter assembly 10 further includes a support plate 12, and the support plate 12 is disposed on an end of the filter cartridge 11 to close off the end of the filter cartridge 11. For example, in the embodiment where the filter assembly 10 comprises one filter cartridge 11, the filter assembly 10 has two support discs 12, i.e. one support disc 12 is provided at each end of the filter cartridge 11. In the embodiment where the filter assembly 10 comprises two filter cartridges 11, the filter assembly 10 has three support discs 12, and the adjacent ends between adjacent two filter cartridges 11 share one support disc 12. Optionally, the periphery of the support disc 12 is provided with a snap-fit flange for snap-fitting with the filter cartridge 11. In other embodiments, the support plate 12 may be welded, snapped, or screwed to the filter cartridge 11. The support disc 12 is substantially shaped as a radial section of the filter cartridge 11 to be able to fit the end of the filter cartridge 11.

In one embodiment, the filter assembly 10 further includes a support rod 13, the support rod 13 extends along the axial direction of the filter cartridge 11, the support rod 13 is exposed through the support plate 12, and a rotation shaft 14 is disposed on the support rod 13. By providing the support rod 13 to connect the rotation shafts 14, the coaxiality of the rotation shafts 14 at both ends of the filter assembly 10 can be ensured. Alternatively, the cross section of the supporting rod 13 generally includes two connecting sections arranged crosswise, for example, the two connecting sections are crossed to form a cross shape, and the supporting plate 12 is correspondingly provided with a cross-shaped offset hole for the supporting rod 13 to pass through. After the two connecting sections which are arranged in a crossed manner are matched with the abdicating holes, the supporting rod 13 can be prevented from rotating relative to the supporting disk 12. Optionally, the supporting rod 13 includes two supporting bars 131, each of the two supporting bars 131 is shaped like a long strip, a cross section of each supporting bar 131 is L-shaped, and the two supporting bars 131 form a cross-shaped cross section structure.

Optionally, a limiting groove is formed on the rotating shaft 14, the limiting groove has two limiting sections arranged in a crossed manner, and the two connecting sections 1112 of the supporting rod 13 are correspondingly inserted into the two limiting sections, so that the rotating shaft 14 is prevented from rotating relative to the supporting rod 13.

The invention also provides an oil fume purification device which is a range hood or an integrated stove, and for the dust collection stove, the dust collection stove comprises the range hood and a stove body, wherein the range hood is arranged on the stove body, and the range hood and the stove body are combined to form an integrated dust collection stove. Of course, the dust collecting range may also include one or more of a dishwasher, a sterilizer, or in an oven, etc.

In the embodiment of the present invention, please refer to fig. 1 to fig. 3 in combination, the lampblack purification device includes a housing 20 and a fan 30, the housing 20 is provided with a smoke suction port 21 and a smoke exhaust port 22, an air duct 23 is formed in the housing 20, and the air duct 23 communicates the smoke suction port 21 and the smoke exhaust port 22. The air duct 23 has an air inlet section 231 and an air outlet section 232, the air inlet section 231 is connected with the smoke suction port 21, the air outlet section 232 is connected with the smoke exhaust port 22, and the fan 30 is arranged at the air outlet section 232. This fan 30 is centrifugal fan 30 for the wind pressure is bigger, and the oil absorption cigarette effect is better. The dotted lines in the figure are only used for illustrating the division between the air inlet section 231 and the air outlet section 232, but in other embodiments, the air inlet section 231 and the air outlet section 232 may be divided from other positions.

Specifically, for the range hood, the housing 20 includes a decorative cover and a smoke collecting cover, the decorative cover is hollow, optionally, the decorative cover is substantially square, a smoke outlet 22 is further provided at the top of the decorative cover, and a check valve is provided at the smoke outlet 22. Of course, the trim cover may also be cylindrical or irregularly shaped, etc. The smoke collecting cover is arranged below the decorative cover and is provided with a smoke suction port 21, and the cooking smoke is sucked into the air duct 23 from the smoke suction port 21 and is discharged from the smoke discharge port 22 under the action of the centrifugal fan 30. Specifically, the housing 20 further includes a front panel 24, the front panel 24 forming a part of the smoke collecting hood, and the smoke suction port 21 is provided on the front panel 24. Range hood and collection dirt kitchen all have front panel and backplate, and the front panel refers to the plate body towards the user, and the backplate refers to the plate body that leans on the wall to set up.

In the embodiment of the present invention, the lampblack purification device further includes a filter assembly 10, the filter assembly 10 is rotatably disposed in the air duct 23, and the filter assembly 10 is the filter assembly 10 as described above. Optionally, the filter assembly 10 is disposed at the intake section 231. Referring to fig. 3, in an embodiment, a supporting seat 26 is disposed on the housing 20, a supporting groove is formed on the supporting seat 26, and the rotating shaft 14 of the filter screen assembly is rotatably engaged with the supporting groove.

In one embodiment, the filter assembly 10 can be driven by a fan 30 to rotate, the fan 30 drives the flue gas to move in the air duct 23, and the flue gas pushes the filter assembly 10 to rotate integrally. The filtering component 10 can realize self-rotation only by being pushed by smoke without being driven by a motor, and is beneficial to the simplification of the structure and the reduction of the cost. In one embodiment, a power source may be separately provided to drive the filter assembly 10 to rotate, for example, a motor may be additionally provided to drive the filter assembly 10 to rotate, so as to ensure the smoothness of rotation.

In the invention, the filtering component 10 is arranged in the oil fume purification device, because the filtering component 10 can rotate, when the smoke flows through the filtering component 10 from the filtering holes 113, the filtering component 10 rotates to continuously collide the smoke, so that particulate matters such as grease and the like in the smoke are intercepted by the filtering component 10, and the collision process can fully filter the smoke and enhance the filtering effect. Since the filter assembly 10 is disposed at the air inlet section 231, the smoke can be filtered before entering the fan 30, and therefore, the probability of the fan 30 being polluted by oil smoke can be reduced.

In one embodiment, the filter assembly 10 extends in a left-right direction, and the rotation axis of the filter assembly 10 is along the length direction thereof, i.e., the rotation axis of the filter assembly 10 is along the left-right direction. Specifically, the housing 20 includes a front panel 24 and a back panel 25 opposite to the front panel 24, the front panel 24 is provided with the smoke suction port 21, and the filter assembly 10 is disposed between the front panel 24 and the back panel 25, so as to ensure that smoke is filtered by the filter assembly 10 and then flows into the fan 30. In addition, filter element 10 sets up between front panel 24 and backplate 25, and the cavity that extends along left and right direction that forms here does benefit to filter element 10 and extends from side to side, and both are more matcing in the shape, consequently can better adapt to filter element 10's setting to guarantee filter element 10 as far as possible and separate wind channel 23 for upper and lower two parts, the gaseous air of significantly reducing is not filtered through filter element 10 and is gone towards fan 30 promptly. In addition, a plurality of filter assemblies 10 may be disposed in the housing 20, and the plurality of filter assemblies 10 may be arranged along the length direction of the smoking opening 21.

In this embodiment, the filter assembly 10 is located above the smoking port 21. A freely rotatable filter assembly 10 is provided below the fan 30 and above the mouthpiece 21. After the cigarette machine is started, airflow flowing through the smoke suction port 21 basically contacts the filtering component 10 to push the filtering component 10 to rotate, the filtering component 10 rotates to continuously collide with oil smoke, grease in the oil smoke is intercepted by the filter screen, and the probability that the fan 30 is polluted by the oil smoke is reduced.

Alternatively, the axis of the fan 30 is in the front-rear direction, and the rear end of the fan 30 is a main air inlet, and the air flow flows into the centrifugal volute from the rear end of the fan 30. Therefore, in the technical scheme of the invention, the effect of direct suction and direct discharge is achieved by utilizing the matching of the smoke suction port 21 at the lower side and the rear main air inlet of the fan 30, and the resistance of the forward airflow of the fan 30 is reduced. Because the main air inlet of the fan 30 is arranged backwards in the scheme, most of the air flow rises along the plane of the back plate 25 after entering the oil suction port. When the airflow passes through the filter screen assembly, the airflow passes through the filter holes 113 to push the wind shield 114 to rotate the filter screen assembly, and the filter screen assembly filters the soot through the filter holes 113 with the surface rotating continuously. Optionally, the distance between the filter assembly 10 and the front panel 24 is smaller than the distance between the filter assembly 10 and the back panel 25. Therefore, most of the smoke runs to the rear side, and flows upwards from the rear side to the main air inlet of the fan 30, so that the direct-suction and direct-discharge effect is achieved.

For the conventional oil smoke purifying device, because the filter screen is fixed at the position of the smoke suction port 21, the oil smoke pollution probability is high, and in order to avoid the condensed grease from blocking the filter holes 113, the size of the filter screen grating or the perforated holes is generally larger. The through hole rate of the filter screen is increased, the surface area is reduced, the area for the filter screen to collide with and intercept oil smoke is also reduced, and the oil-fat separation degree is reduced relatively. In addition, for the design of the filter screen, the surface of the filter screen is uneven after the filter screen is pressed into a certain shape in general.

In view of the above problems, in the embodiment of the present invention, the filter screen is disposed at the smoke suction port 21, the filter assembly 10 is disposed in the air duct 23, and the aperture of the filter hole 113 of the filter screen is larger than that of the filter hole 113 of the filter assembly 10, so that the filter screen primarily filters the oil smoke to filter large particles, the aperture of the filter assembly 10 is smaller, and the filter assembly 10 can freely rotate, thereby further filtering small particles and further increasing the oil smoke filtering efficiency. Because of adopting the double filtration form, the filtration hole 113 of the filter screen at the smoke suction port 21 can be larger, thus ensuring the smooth flow of the air flow, and simultaneously, the filtration area is not required to be increased by compression; the internal filtering component 10 can ensure high oil separation degree, thereby achieving double filtering effect.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The filter assembly is characterized by comprising a filter cartridge, wherein the peripheral wall of the filter cartridge is provided with a convex part and/or a concave part, at least part of the convex part and/or the concave part is provided with a filter hole, and at least part of the convex part and/or the concave part is provided with a wind shield, so that the filter cartridge can rotate automatically under the action of airflow.

2. The filter assembly according to claim 1, wherein the protrusion has a first bending section, the recess has a second bending section, the first bending section and/or the second bending section defines the filter hole, and the wind deflector connects the first bending section and the second bending section.

3. The filter assembly of claim 2, wherein the projection further comprises a connecting section, the connecting section having the filter aperture defined therein;

4. A filter assembly as claimed in claim 3, wherein the distance between the connection section and the wind deflector increases progressively in the direction in which the projection points towards the axis of rotation of the filter cartridge.

5. The filter assembly of claim 3, wherein the bending points of the first bending segments are located on the same circumference, the bending points of the second bending segments are located on the same other circumference, and the centers of the two circumferences are coincident.

6. The filter assembly of claim 2, wherein two side edges of the first bent section extending in the width direction are connected to one of the wind deflectors.

7. The filter assembly of claim 6, wherein one of the air deflectors is adjacent to the other air deflector in a direction in which the projection points toward the axis of rotation of the filter cartridge.

8. The filter assembly according to claim 7, wherein two wind deflectors of the same second bend are connected, and an included angle between one wind deflector and the second bend is smaller than an included angle between the other wind deflector and the second bend.

9. The filter assembly of claim 6, wherein the first bend section and the second bend section are circular arc sections, a plurality of the first bend sections are located on the same circumference, a plurality of the second bend sections are located on the same other circumference, and centers of the two circumferences are coincident.

10. The filter assembly of any of claims 1-9, wherein one of the recesses is disposed between two adjacent protrusions.

11. The filter assembly of claim 10, wherein the filter assembly includes a plurality of the filter cartridges arranged in a common axial direction, wherein the protrusion of one of the filter cartridges is disposed corresponding to the recess of an adjacent filter cartridge.

12. The filter assembly of claim 1, wherein the filter cartridge is formed by bending a mesh panel to form the recess and the projection.

13. An oil fume purification device is characterized in that the oil fume purification device is a range hood or an integrated stove; the oil smoke purifier includes:

the fan is arranged at the air outlet section; and

the filter assembly of any of claims 1-12, rotatably disposed in the intake section.

14. The fume purification apparatus of claim 13, wherein the filter assembly extends along a length of the smoke port, the filter assembly having an axis of rotation along the length thereof.