CN212746628U

CN212746628U - Air purification device and range hood

Info

Publication number: CN212746628U
Application number: CN202021306371.XU
Authority: CN
Inventors: 梁泽锋; 刘智; 曲绍鹤
Original assignee: Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Current assignee: Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-03-19
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses an air purification device and range hood, air purification device is including purifying housing and establishing oil smoke filter screen in the purifying housing, purifying and filtering piece and clean-up fan, purifying housing is equipped with air intake and air outlet, the oil smoke filter screen purifying and filtering piece and clean-up fan all locates the air intake with between the air outlet, wherein, the oil smoke filter screen is located on the air current direction purifying and filtering piece with clean-up fan's upper reaches, the oil smoke filter screen be used for filter by grease in the air current that the air intake got into. The utility model discloses technical scheme has prolonged the life of air purification form.

Description

Air purification device and range hood

Technical Field

The utility model relates to a kitchen appliance technical field, in particular to air purification device and range hood of using this air purification device.

Background

During the cooking process, oil smoke is generated, and the oil smoke not only pollutes the air environment, but also damages the health of human bodies. The traditional range hood can rapidly discharge oil smoke to the outside, and reduces the pollution to the air environment in a kitchen and the damage to the health of human bodies. However, during cooking, there is always oil smoke escaping from the conventional range hood and dissipating into the kitchen space. The escaping oil smoke can still cause oil smoke pollution and harm to the health of human bodies.

In the related art, there is an air purification device applied to a range hood for filtering oil smoke escaping from a kitchen environment, but the structure of the air purification device in the related art is not well adapted to the kitchen environment, grease in the oil smoke in the kitchen is easily attached to the internal structure of the air purification device, and after long-time use, the power of the air purification device is easily reduced, and the service life of the air purification device is easily shortened.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide an air purification device aims at reducing the air purification device who is applied to in the range hood, and the oil smoke is attached to inner structure's possibility in kitchen environment, prolongs air purification device's life.

In order to achieve the above object, the utility model provides an air purification device is applied to range hood, air purification device is including purifying the shell and establishing oil smoke filter screen in the purifying the shell, purifying and filtering piece and purification fan, purifying the shell and being equipped with air intake and air outlet, the oil smoke filter screen purify filter piece and purification fan all locates the air intake with between the air outlet, wherein, the oil smoke filter screen is located on the air current direction purify filter piece with purification fan's upper reaches, the oil smoke filter screen be used for filter by grease in the air current that the air intake got into.

The utility model discloses among the technical scheme, through set up the oil smoke filter screen in the air purification device who is applied to range hood, and the oil smoke filter screen is located the upper reaches of purifying and filtering piece and clean-up fan on the air current direction, from this under kitchen environment, the oil smoke gets into from air purification device's air intake, pass through the filtering action of oil smoke filter screen earlier, with grease filtering wherein, then can reduce grease in the oil smoke and adhere to for example clean-up fan in the air purification device, purify the possibility on filtering the piece, thereby can avoid the long time when using, because of the adhering to of grease, lead to purifying fan power and descend, whole air purification device life-span shortens.

Optionally, the oil smoke filter screen includes the frame and locates metal filter in the frame, the edge of metal filter with frame fixed connection.

Therefore, the metal filtering part can filter the grease in the oil smoke through condensation, and the grease is efficiently removed.

Optionally, the metal filter part comprises a plurality of metal net layers arranged at intervals in the airflow direction.

Therefore, the oil fume can thoroughly filter the oil grease through the condensation and filtration effects of the multiple metal net layers in the flowing process.

Optionally, the meshes in two adjacent metal mesh layers in the metal filter part are arranged in a staggered mode in the airflow direction.

So, because the mesh of two adjacent metal mesh layers is dislocation set in the air current direction for the area of contact of oil smoke and metal mesh layer is bigger, and the filter effect is better.

Optionally, the purification housing is provided with a mounting opening, from which the soot filter and/or the purification filter can be drawn out.

So, after using for a long time, it is more convenient to change the oil smoke filter screen and purify and filter the piece.

Optionally, be equipped with in the purification shell towards the guide rail that the installing port extends, the oil smoke filter screen can follow the guide rail slides in order to be taken out by the installing port.

Therefore, the process of pumping the oil smoke filter screen is smoother.

Optionally, the air purification device further comprises a mounting box with an opening at one end, the oil smoke filter screen is contained in the mounting box, the opening of the mounting box is in butt joint with the mounting opening, and the guide rail is arranged in the mounting box.

So, the integral installation of oil smoke filter screen is fixed more convenient.

Optionally, the purifying filter element is also received in the mounting box.

Thus, the installation of both the fume filter screen and the purifying filter element is easier.

Optionally, a filter cover is arranged on the mounting opening.

In this way, the airtightness of the air passage in the air cleaning device can be ensured.

Optionally, the purifying filter comprises a HEPA filter and an activated carbon filter arranged side by side.

So, air purification device can also filter harmful substance in the oil smoke, promotes the filter effect.

Optionally, the air outlet is provided on the front surface of the purification housing and/or the air inlet is provided on the side surface of the purification housing.

So, when positive air-out, can effectually blow the fresh air after filtering to the culinary art person, and with the air intake setting in the side of purifying housing, the oil smoke of can effectual absorption lateral part.

The utility model also provides a range hood, include:

a cigarette machine main body; and

the air purification device as any one of the above, wherein the air purification device is connected with the cigarette machine main body.

Optionally, the range hood main body comprises a fan cover and a smoke collecting hood arranged below the fan cover, and the air purification device is arranged above the smoke collecting hood and is positioned on the front surface of the fan cover.

So, through locating air purification device fan guard openly, can make air purification device's air intake more set up before leaning on relatively to more be favorable to inhaling the purifying housing with the oil smoke that escapes to user's breathing zone in, with the oil smoke that reduces user's breathing zone department, further reduce the harm of oil smoke to user's health.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 perspective view of an embodiment of a range hood of the present invention;

FIG. 2 is a schematic top view of the range hood of FIG. 1;

FIG. 3 is an exploded view of the range hood of FIG. 1;

FIG. 4 is a schematic cross-sectional view of the range hood of FIG. 1 from a perspective;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is a schematic cross-sectional view of the range hood of FIG. 1 from another perspective;

FIG. 7 is a front view of the soot filter of the range hood of FIG. 1;

FIG. 8 is an enlarged view of FIG. 7 at B;

fig. 9 is a schematic view of an air circulation path of the air cleaning device of the range hood in fig. 1.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				1	Cigarette machine main body	232	Electric machine
11	Fan cover	233	Wind wheel
				12	Exhaust fume collecting hood	234	Air outlet grille
2	Air purifying device	24	Oil smoke filter screen
				21	Purifying shell	241	Rims
21a	Air inlet	242	Metal filter part
				21b	Air outlet	25	Mounting box
21c	Mounting port		251					Guide rail
				22	Purifying filter	26	Filter cover
23	Purifying fan	3	Controller
				231	Purification volute	4	Control switch

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

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to 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 technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a range hood, in an embodiment of the present invention, the range hood includes a range hood main body 1 and an air purification device 2 disposed outside the range hood main body 1.

Wherein:

the range hood main body 1 is provided with an oil fume suction duct, the smoke inlet of the oil fume suction duct is communicated with the indoor and is usually suspended above a kitchen range so as to suck oil fume into the oil fume suction duct; the smoke outlet of the oil smoke suction duct is communicated with the outside so as to discharge oil smoke to the outside; of course, the cigarette machine body 1 is further provided with a smoke exhaust fan for making the airflow flow from the smoke inlet to the smoke outlet. It can be understood that the range hood main body 1 has the functions of the traditional range hood.

The air purifying device 2 comprises a purifying shell 21 arranged outside the cigarette machine main body 1, and a purifying filter 22 and a purifying fan 23 arranged in the purifying shell 21, wherein the purifying shell 21 is provided with an air inlet 21a and an air outlet 21b, and the purifying filter 22 and the purifying fan 23 are both arranged between the air inlet 21a and the air outlet 21 b. It can be understood that a purifying air duct is formed in the purifying housing 21, and the purifying air duct and the oil smoke suction duct are independent from each other. The cleaning fan 23 is used to make the air flow from the air inlet 21a to the air outlet 21 b. The air inlet 21a and the air outlet 21b are communicated with each other indoors, the air inlet 21a is used for sucking air in a kitchen, the purifying and filtering piece 22 is used for filtering and purifying the sucked air, and the air outlet 21b is used for discharging the filtered and purified air back to the kitchen indoors. When the air purification device 2 and the cigarette machine main body 1 work cooperatively, most of oil smoke generated in the cooking process is discharged to the outside through the oil smoke suction air duct in the cigarette machine main body 1, a small part of oil smoke can escape to other spaces in a kitchen, and the small part of oil smoke can be further removed through the purification air duct in the air purification device 2, so that the pollution of the oil smoke to the air environment and the damage to the health of a human body are further reduced.

In the embodiment, the air purification device 2 is arranged outside the cigarette machine main body 1, so that the cigarette machine main body 1 does not need to be disassembled and assembled when parts (such as the purification filter 22) of the air purification device 2 are replaced or the air purification device 2 is maintained, and the convenience is achieved; in addition, the range hood main body 1 and the air purification device 2 can be assembled together after being assembled independently in modules, so that the modular assembly of the range hood is facilitated, and the assembly efficiency of the range hood can be improved.

Optionally, the range hood main body 1 and the air purification device 2 are connected to the same controller 3, that is, the range hood controls the range hood main body 1 and the air purification device 2 through the same controller 3; the controller 3 is typically provided on the cigarette maker body 1, and the cigarette maker body 1 is typically larger in volume than the air cleaning device 2, so that there is more space and location for the controller 3 to be installed. However, the design is not limited thereto, and in other embodiments, the range hood may also be provided with two different controllers 3 to respectively control the range hood body 1 and the air purification device 2.

Optionally, the cigarette machine main body 1 and the air purification device 2 share one control switch 4, so that when the cigarette machine main body 1 is turned on through the control switch 4 to work, the air purification device 2 can be turned on automatically at the same time to work, that is, the cooperative work of turning on the cigarette machine main body 1 and the air purification device 2 by one key can be realized. The control switch 4 is usually electrically connected to the controller 3 to realize the on/off control. When one control switch 4 is shared, the control switch 4 is normally provided on the cigarette maker main body 1.

However, the design is not limited thereto, in other embodiments, the cigarette maker main body 1 and the air purification device 2 may also use different control switches 4, respectively, to implement independent on/off control of the cigarette maker main body 1 and the air purification device 2, so that a user may use respective functions of the cigarette maker main body 1 and the air purification device 2 more flexibly. When different control switches 4 are respectively used, the two control switches 4 can be arranged on the cigarette machine main body 1; of course, the two control switches 4 can also be correspondingly arranged on the cigarette machine main body 1 and the air cleaning device 2 respectively.

In one embodiment, the range hood body 1 comprises a fan cover 11 and a smoke collecting hood 12 arranged below the fan cover 11, and the purifying shell 21 is arranged above the smoke collecting hood 12 and is positioned on the front surface of the fan cover 11. In this embodiment, the smoke inlet of the range hood main body 1 is disposed below the smoke collecting hood 12. The oil smoke below the smoke collecting hood 12 is mainly sucked by the smoke inlet, that is, is mainly discharged to the outside by the oil smoke suction duct. The oil smoke escaping upwards from the edge of the smoke-collecting hood 12 is mainly sucked and processed by the air inlet 21a of the purifying shell 21. The purifying shell 21 is positioned on the front surface of the fan cover 11, so that the air outlet 21b of the purifying shell 21 is arranged relatively more forwards, and the purified air is blown to a breathing zone of a user more favorably, and the air quality of the breathing zone of the user is improved.

Because air purification device 2 is in the heavier kitchen environment of oil smoke, in order to avoid air purification device 2 in long-time use, the grease is piled up in air purification device 2 in a large number, causes for example to adhere to too much because of the grease on purifying fan 23, leads to purifying fan 23 power decline, purifies and filters piece 22 and is polluted and often will change, consequently, the utility model discloses still provide a new air purification device 2 who is applicable to range hood, particularly, air purification device 2 still is provided with oil smoke filter screen 24 on the basis of foretell structure, and oil smoke filter screen 24 also locates between air intake 21a and the air outlet 21b, and wherein, oil smoke filter screen 24 is located the upper reaches of purifying and filtering piece 22 and purifying fan 23 on the air current direction, and oil smoke filter screen 24 is arranged in filtering the grease in the air current that gets into by air intake 21 a. The soot filter 24, the purifying filter 22 and the purifying fan 23 are arranged in sequence in the flowing direction of the air flow, that is, the soot filter 24 is closer to the air inlet 21 a.

The utility model discloses in the technical scheme, through set up oil smoke filter screen 24 in being applied to range hood's air purification device 2, and oil smoke filter screen 24 is located the upper reaches of purifying and filtering piece 22 and clean-up fan 23 on the air current direction, from this under kitchen environment, the oil smoke gets into from air purification device 2's air intake 21a, pass through oil smoke filter screen 24's filtering action earlier, grease filtering wherein, then can reduce grease in the oil smoke and adhere to for example clean-up fan 23 in air purification device 2, purify the possibility on filtering piece 22, thereby can avoid the long-term use time, because of the adhering to of grease, lead to clean-up fan 23 power decline, whole air purification device 2 life-span shortens.

Referring to fig. 7 and 8, the soot filter 24 includes a frame 241 and a metal filter 242 disposed in the frame 241, and an edge of the metal filter 242 is fixedly connected to the frame 241. Metal filter 242 can be through the condensation, filter the grease in the oil smoke, the grease is got rid of to the high efficiency, frame 241 is connected with metal filter 242 simultaneously, frame 241 can also regard as connecing the oil groove, accept the grease that metal filter 242 condensation produced, in some embodiments, metal filter 242 includes the metal mesh layer that the multilayer interval was arranged on the air current direction, so, the oil smoke is at the flow in-process, through the condensation filtering of multilayer metal mesh layer, filtering grease that can be thorough. Further, the meshes of the two adjacent metal mesh layers in the metal filter part 242 are arranged in a staggered manner in the airflow direction. Each metal mesh layer of this application is woven into honeycombedly by a plurality of wire and is had a plurality of meshs, and the mesh in two adjacent metal mesh layers in the metal filter part 242 sets up in the air current direction dislocation for the area of contact of oil smoke and metal mesh layer is bigger, and the filter effect is better.

Referring to fig. 3, 4, and 5, in one embodiment, the purifying filter 22 includes a HEPA filter (high efficiency air filter) and an activated carbon filter. The HEPA filter screen is mainly used for filtering particulate matters (liquid and solid) in oil smoke, the materials of the HEPA filter screen can comprise PP filter paper (polypropylene filter paper), glass fibers, PTFE filter paper (polytetrafluoroethylene filter paper), nano fibers, melt-blown polyester non-woven fabrics and the like, the HEPA filter screen has the advantages of being large in dust holding capacity and high in filter precision, the filter efficiency of the oil smoke particulate matters can exceed 90%, and the HEPA filter screen can be processed into required sizes and shapes according to machine type requirements. The active carbon filter screen is mainly used for filtering volatile organic compounds (smell) in the oil smoke, the material of the active carbon filter screen can comprise active carbon fiber, active carbon particles and the like, the adopted active carbon material can be coconut shell, fruit shell, coal carbon and the like, the specific surface area of the material is larger, or the adopted active carbon material can be molecular sieve material, and the material has better adsorption effect. Optionally, in the air current direction, the HEPA filter screen is located active carbon filter screen upper reaches, so, can avoid the particulate matter in the oil smoke to attach on active carbon filter screen to the life of extension active carbon filter screen.

In one embodiment, the purification housing 21 is provided with a mounting opening 21c through which the purification filter 22 and/or the soot screen 24 can be drawn. It will be appreciated that the purifying filter 22 generally has a certain life, for example, a HEPA filter screen used in the present embodiment, the design life of which is usually longer than 1 month, and the HEPA filter screen needs to be replaced after the life of the HEPA filter screen is reached, so as to ensure that the purifying capacity of the air purifying device 2 is good, and in addition, the HEPA filter screen is periodically or aperiodically removed for cleaning or washing, which is beneficial to prolonging the life of the HEPA filter screen.

Optionally, the air purifying device 2 further includes a mounting box 25 having an opening at one end, the soot filter 24 and the purifying filter 22 are both accommodated in the mounting box 25, the opening of the mounting box 25 is abutted to the mounting opening 21c, a guide rail 251 extending toward the mounting opening 21c is provided in the mounting box 25, and the soot filter 24 and the purifying filter 22 are both slidable along the guide rail 251 to be drawn out from the mounting opening 21 c. Wherein, through mounting box 25 integral erection oil smoke filter screen 24 and then purify and filter piece 22, realize overall structure simple to operate, and through the setting of guide rail 251 for the process that oil smoke filter screen 24 took out is more smooth and easy. Further, a filter cover 26 is arranged on the mounting opening 21 c; thus, after the purifying filter element 22 is installed into the purifying shell 21 from the filter element installing port 21c, the filter element cover 26 covers the installing port 21c, the filter element 22 can be prevented from shaking, the structural stability of the product is improved, foreign matters and the like can be prevented from entering the purifying shell 21 from the filter element installing port 21c210, and the air tightness of the air filtering device 2 is improved.

In an embodiment, referring to fig. 1 and 3, the air inlet 21a is disposed on a side surface of the purifying housing 21, so that the oil smoke escaping to the side of the range hood can be sucked into the purifying housing 21, and the oil smoke at the side of the range hood can be reduced. Particularly, when a dual-burner kitchen range is used below the range hood, the oil smoke generated during cooking easily escapes from the side direction of the range hood, and the air inlet 21a located on the side surface of the purifying housing 21 is more beneficial to sucking the oil smoke. Optionally, the air inlets 21a are disposed on two opposite sides of the purifying housing 21, so as to reduce oil smoke on two sides of the range hood. Of course, the air inlet 21a may be provided only on one of the two sides of the purification casing 21. Optionally, an air inlet grille is disposed on the air inlet 21a to prevent hands and other foreign objects from extending into the purifying housing 21.

In one embodiment, the air outlet 21b is disposed on the front surface of the purifying housing 21; thus, after the air purification device 2 is opened, the air purification device 2 blows air forward or at least has a forward air-out component. In the cooking process, a user usually stands in front of the range hood, and the space in front of the range hood can be defined as a user breathing zone. It can be understood that the forward air outlet is favorable for conveying the purified air to the user breathing area, thereby being favorable for improving the air quality of the user breathing area, further reducing the probability of the user sucking the oil smoke, and reducing the harm of the oil smoke to the health of the user. Referring to fig. 3, further, an air outlet grille 234 is further disposed at the air outlet 21b, the air outlet grille 234 has a plurality of air outlet bars disposed obliquely upward, as shown in fig. 6, the air purification apparatus 2 can blow air obliquely upward by disposing the plurality of air outlet bars obliquely upward, and further, referring to fig. 9, such a configuration is combined with the air outlet 21b disposed at the front, so that the area of the fresh air circulating in the kitchen environment after filtration is wider. In an embodiment, the purification fan 23 includes a purification volute 231, a motor 232, and a wind wheel 233, and the outlet grille 234 may be integrally formed at an outlet of the purification volute 231.

The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. The utility model provides an air purification device, is applied to range hood, a serial communication port, air purification device is including purifying the shell and establishing oil smoke filter screen, purification filter piece and purification fan in purifying the shell, purifying the shell and being equipped with air intake and air outlet, the oil smoke filter screen purify filter piece and purification fan all locates the air intake with between the air outlet, wherein, the oil smoke filter screen is located on the air current direction purify filter piece with purification fan's upper reaches, the oil smoke filter screen be used for filter by grease in the air current that the air intake got into.

2. The air purification device of claim 1, wherein the soot filter comprises a frame and a metal filter portion disposed in the frame, and an edge of the metal filter portion is fixedly connected to the frame.

3. The air cleaning device according to claim 2, wherein the metal filter portion includes a plurality of metal mesh layers arranged at intervals in an air flow direction.

4. The air cleaning device as claimed in claim 3, wherein the meshes of the two adjacent metal mesh layers in the metal filter part are arranged in a staggered manner in the airflow direction.

5. An air cleaning device according to any one of claims 1 to 4, wherein the cleaning housing is provided with a mounting opening from which the soot filter and/or the cleaning filter can be extracted.

6. The air cleaning apparatus according to claim 5, wherein a guide rail extending toward the mounting opening is provided in the cleaning housing, and the soot filter is slidable along the guide rail to be drawn out through the mounting opening.

7. The air purification device of claim 6, further comprising a mounting box having an opening at one end, wherein the soot filter is received in the mounting box, the opening of the mounting box is in abutting contact with the mounting opening, and the guide rail is disposed in the mounting box.

8. The air purification apparatus of claim 7, wherein the purification filter is also received in the mounting box.

9. The air cleaning apparatus according to claim 5, wherein a filter cover is provided on the mounting port.

10. The air purification apparatus of claim 1, wherein the purification filter comprises a HEPA filter and an activated carbon filter arranged side by side.

11. The air purification apparatus of claim 1, wherein the air outlet is disposed on a front surface of the purification housing and/or the air inlet is disposed on a side surface of the purification housing.

12. A range hood, comprising:

a cigarette machine main body; and

an air cleaning device as claimed in any one of claims 1 to 11, connected to the cigarette machine body.

13. The range hood according to claim 12, wherein the range hood body comprises a fan hood and a smoke collection hood disposed below the fan hood, and the air purification device is disposed above the smoke collection hood and on the front surface of the fan hood.