CN211781343U

CN211781343U - Fume exhaust fan

Info

Publication number: CN211781343U
Application number: CN202020437031.4U
Authority: CN
Inventors: 郭姿宇; 左双全; 李可强; 李金能
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-10-27
Anticipated expiration: 2030-03-30

Abstract

The utility model provides a range hood, including collection petticoat pipe and the inside spiral case of locating collection petticoat pipe, still include: the heating element is attached to the volute; the air injection assembly comprises an air supply part and an air transmission channel, one end of the air transmission channel is connected with the air supply part, and the other end of the air transmission channel is communicated with the volute and is suitable for outputting airflow to the inside of the volute; and the oil extraction assembly is arranged in the fume collecting hood and is communicated with the oil guide hole at the bottom of the volute. The heating element is arranged on the surface of the volute and heats the volute, so that oil stain on the inner wall of the volute and a fan blade in the volute is changed into liquid drops and drops to the bottom of the volute downwards, the liquid drops flow out of the oil guide hole to the oil discharge assembly, the oil discharge assembly collects and discharges the oil smoke exhaust ventilator, the air jet assembly can flow air flow in the air supply part into and out of the volute through the air transmission channel, heated oil drops are washed, and oil drop discharge is assisted. The problem that oil stains in the range hood are difficult to clean is solved.

Description

Fume exhaust fan

Technical Field

The utility model relates to the technical field of household appliances, concretely relates to range hood.

Background

China collects to fry in shallow oil, stew, boil, fries and produces the oil smoke volume in the culinary art mode of an organic whole many, has higher requirement to range hood, and the cigarette machine is after long-time the use, washs untimely, accumulates the greasy dirt in inner chamber and the inside wind channel of spiral case easily, causes the pollution of cigarette machine internal environment, more probably leads to causing the secondary pollution of indoor environment, influences the health, increases cigarette machine workload and consumed power.

However, on one hand, because the cigarette machine is of integral structural design, the cigarette machine is not easy to disassemble internally, the cleaning difficulty is high, adverse effects are caused to the use and maintenance of users, and on the other hand, oil stains in the cigarette machine are firmly adhered to the inner wall of the volute or the blades of the wind wheel and are difficult to wash down.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the inside greasy dirt of range hood among the prior art product and being difficult to abluent problem to a range hood is provided.

The utility model provides a range hood, include the collection petticoat pipe and locate the inside spiral case of collection petticoat pipe still includes: the heating element is attached to the volute;

the gas injection assembly comprises a gas supply part and a gas transmission channel, one end of the gas transmission channel is connected with the gas supply part, the other end of the gas transmission channel is communicated with the volute, and the gas injection assembly is suitable for outputting gas flow to the interior of the volute;

and the oil extraction assembly is arranged in the fume collecting hood and communicated with the oil guide hole at the bottom of the volute.

The heating element is arranged outside the volute and covers the surface of the volute.

The heating member is arranged in a sheet shape.

The gas supply part is arranged on the top side of the smoke collection cover, and a gas compression device is arranged in the gas supply part.

The gas transmission channel includes: the gas inlet end is connected with the gas compression device in a sealing way;

the exhaust end penetrates through a through hole formed in the volute, is fixed in the volute and is attached to the inner wall of the volute;

the exhaust end is provided with an exhaust port which is annularly arranged and is attached to the inner wall of the volute.

The oil extraction subassembly includes: and the oil guide groove is arranged in the fume collecting hood, and one end of the oil guide groove is fixedly connected with the oil guide hole and is arranged in a sealing manner.

And the oil cup is arranged below the oil guide groove and is suitable for receiving oil stains from the oil guide groove.

Lead the oil groove other end with collection petticoat pipe inner wall fixed connection, lead the oil groove and be equipped with the oil drain port, the oil drain port corresponds the setting and is in directly over the oil cup.

The oil guide groove is provided with a bending part with an upward opening, and the oil outlet is arranged at the bottom side of the bending part.

The range hood further comprises a control piece, and the control piece is electrically connected with the gas compression device and the heating piece respectively.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a range hood, include the collection petticoat pipe and locate the inside spiral case of collection petticoat pipe still includes: the heating element is attached to the volute; the gas injection assembly comprises a gas supply part and a gas transmission channel, one end of the gas transmission channel is connected with the gas supply part, the other end of the gas transmission channel is communicated with the volute, and the gas injection assembly is suitable for outputting gas flow to the interior of the volute; and the oil extraction assembly is arranged in the fume collecting hood and communicated with the oil guide hole at the bottom of the volute.

The heating element is arranged on the surface of the volute and heats the volute, so that oil stain on the inner wall of the volute and a fan blade in the volute is changed into liquid drops and drops to the bottom of the volute downwards, the liquid drops flow out of the oil guide hole to the oil discharge assembly, the oil discharge assembly collects and discharges the oil smoke exhaust ventilator, the air jet assembly can flow air flow in the air supply part into and out of the volute through the air transmission channel, heated oil drops are washed, and oil drop discharge is assisted. The problem that oil stains in the range hood are difficult to clean is solved.

2. The utility model provides a range hood, the heating member sets up the spiral case outside, and the cladding is in the spiral case surface.

The heating member sets up in the spiral case outside, and the installation and the maintenance of the heating member of being convenient for, in addition, the heating member cladding can carry out even heat supply to each position of spiral case, makes the greasy dirt of each position all obtain effective heating, improves the efficiency of getting rid of the greasy dirt on the spiral case surface.

3. The utility model provides a range hood, air feed portion sets up collection hood top side embeds there is gas compression device.

The gas compression device is arranged to pressurize gas in the gas supply part, so that the impact force of gas flow output to the inner wall of the volute is increased, and the oil stain scouring efficiency is improved.

4. The utility model provides a range hood, the exhaust is served and is provided with the gas vent, the gas vent is the annular setting, and with the laminating of spiral case inner wall.

The arrangement is that the direction of the exhaust port can enable the air flow to be blown to the maximum in the volute, the air flow blown from the exhaust port can be blown to all positions in the volute, and the oil stain cleaning speed and the oil stain cleaning effect are improved.

5. The utility model provides a range hood leads the oil groove other end with collection petticoat pipe inner wall fixed connection, it is equipped with the oil drain port to lead the oil groove, the oil drain port corresponds the setting and is in directly over the oil cup.

Lead the oil groove and be connected fixedly with the other end, improved and led the fixed stability of oil groove installation, avoided leading the oil groove and cause the deformation because of external forces such as vibrations, and made the greasy dirt spill and fall in collection petticoat pipe intracavity to guarantee that oil drain port department greasy dirt etc. that fall can fall to the oil cup.

6. The utility model provides a pair of range hood leads the oil groove and is provided with the ascending portion of bending of opening, the oil drain port sets up the portion bottom side of bending.

The oil drain port sets up in kink bottom side for the greasy dirt can be guaranteed that the greasy dirt can accurately and fall to the oil cup completely from leading the oil groove to this position, and the impact force that the greasy dirt that flows downwards was carried is effectively alleviated in setting up of kink, avoids taking place to splash at the in-process that falls into the oil cup, avoids causing the pollution.

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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of an internal structure of a smoke collecting hood of a range hood provided in an embodiment of the present invention;

FIG. 2 is a schematic structural view of the inside of the top of the fume collection hood shown in FIG. 1;

description of reference numerals:

1-a heating element; 2-a gas injection assembly; 3-oil discharge assembly; 4-smoke collecting hood; 5-a volute; 21-an air supply part; 22-a gas transmission channel; 51-oil guide holes; 221-an air inlet end; 222-a gas exhaust end; 31-an oil guide groove; 32-oil cup; 312-oil drain port; 6-control member.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-2, the present embodiment provides a range hood, which includes a smoke collecting hood 4, a volute 5 disposed inside the smoke collecting hood 4, a heating element 1, an air injection assembly 2, and an oil exhaust assembly 3, wherein the heating element 1 is attached to the volute 5; the air injection assembly 2 comprises an air supply part 21 and an air transmission channel 22, one end of the air transmission channel 22 is connected with the air supply part 21, and the other end of the air transmission channel 22 is communicated with the volute 5 and is suitable for outputting air flow to the interior of the volute 5; the oil extraction component 3 is arranged in the smoke collecting cover 4 and communicated with the oil guide hole 51 at the bottom of the volute 5.

The heating element 1 is arranged on the surface of the volute 5 to heat the volute 5, so that oil stain on the inner wall of the volute 5 and fan blades in the volute 5 is changed into liquid drops and drops downwards to the bottom of the volute 5, the liquid drops flow out of the oil guide hole 51 to the oil discharge assembly 3, the oil discharge assembly 3 collects and discharges oil smoke outside the range hood, the air injection assembly 2 is arranged to enable air flow in the air supply part 21 to flow into the volute 5 through the air transmission channel 22, heated oil drops are washed, and oil drop discharge is assisted. The problem that oil stains in the range hood are difficult to clean is solved.

In a preferred embodiment, the heating element 1 is disposed outside the volute 5 and covers the surface of the volute 5. Heating member 1 sets up in the spiral case 5 outside, be convenient for the installation and the maintenance of heating member 1, the unable rapid inflow oil cup 32 of greasy dirt after the melting though the mode of electrical heating among the prior art can melt the greasy dirt, but at the in-process that flows downwards, the cooling solidifies once more, adhere to on the spiral case inner chamber, in this embodiment, heating member 1 cladding is on spiral case 5 surface, can carry out even heat supply to every position of spiral case 5, make the greasy dirt of every position all obtain effective heating, prevent that the greasy dirt from cooling and solidifying once more at the flow in-process, the efficiency of getting rid of the greasy dirt is improved. As an alternative embodiment, the heating element 1 may be arranged inside the volute 5 and be water-and oil-repellent.

In the present embodiment, the heating member 1 is provided in a sheet shape. The volume occupied by the heating member 1 is reduced while ensuring the heating efficiency of the volute 5, and the weight of the heating member 1 is reduced. In the present embodiment, the heating member 1 is a silica gel heating sheet with a built-in heating wire, and as an alternative embodiment, the heating member 1 may be formed of graphene, an electromagnetic coil, a heating tube, a heating wire, ptc, or the like.

The gas supply part 21 is provided at the top side inside the smoke collecting hood 4, and a gas compression device is built in. The gas compression device is arranged to pressurize the gas in the gas supply part 21, so that the impact force of the gas flow output to the inner wall of the volute 5 is increased, and the oil stain scouring efficiency is improved. As an alternative embodiment, the air supply 21 may be provided outside the hood 4. Specifically, the gas compression device can be a motor with a fan, and the fan is driven to rotate through the rotation of the motor, so that the impact force of the airflow is improved.

The gas transmission channel 22 comprises a gas inlet end 221 and a gas outlet end 222, and the gas inlet end 221 is connected with the gas compression device in a sealing mode; the exhaust end 222 passes through a through hole arranged on the volute 5, is fixed inside the volute 5, and is attached to the inner wall of the volute 5. In this embodiment, the through holes are sealed and fixed to the gas transmission channel 22, and the gas transmission channel is partially arranged in a barrel shape and penetrates through the through holes arranged in a ring shape. Specifically, in this embodiment, the gas transmission channel 22 is fixedly connected to the through hole of the volute via a buckle, and the gas transmission channel 22 is provided with a protruding buckle body, which can be fixedly connected to the clamping hole of the volute and can be detached.

As an alternative embodiment, the exhaust port may be fixedly connected to the through hole, and the exhaust end 222 is disposed outside the scroll casing 5. As another alternative embodiment, the through holes may be disposed at different positions of the spiral case 5, as another alternative embodiment, the gas delivery channel 22 may be disposed in plurality and a plurality of through holes are correspondingly disposed on the spiral case 5, as another alternative embodiment, the gas delivery channel may be disposed at least partially adjacent to the heating member by extending the coverage area of the gas delivery channel or the heating member, so as to increase the outlet air temperature and enhance the cleaning effect.

As shown in fig. 1, an exhaust port is disposed at the exhaust end 222, and the exhaust port is disposed annularly and attached to the inner wall of the volute 5. Due to the arrangement, the direction of the exhaust port can enable the air flow to be blown to the maximum in the volute 5, the air flow blown from the exhaust port can blow each position in the volute 5, and the oil stain cleaning speed and the oil stain cleaning effect are improved. In a preferred embodiment, the end of the exhaust port may be narrowed to enhance the air outlet effect. As an alternative embodiment, an air adjusting device, such as a rotary tuyere, a tuyere adjusting valve, etc., may be provided at the air outlet, wherein the tuyere adjusting valve may adjust the air volume by blocking a portion of the area of the tuyere. On one hand, the arrangement can control the rotary air port to be aligned with the part which is relatively concentrated on oil liquid for washing, so that the cleaning efficiency is improved, or the rotary air port is controlled to automatically rotate for washing oil stains, so that the washing area and the automation level are increased; on the other hand can adjust the gas vent area through governing valve control wind gap area, and then the control amount of wind, can concentrate the air current, the greasy dirt washing is accelerated.

The oil discharge assembly 3 comprises an oil guide groove 31 and an oil cup 32, wherein the oil guide groove 31 is arranged in the fume collecting hood 4, and one end of the oil guide groove is fixedly connected with the oil guide hole 51 and is arranged in a sealing manner. The oil cup 32 is disposed below the oil guide groove 31 and adapted to receive oil from the oil guide groove 31. As shown in fig. 1, the other end of the oil guiding groove 31 is fixedly connected to the inner wall of the smoke collecting hood 4, the oil guiding groove 31 is provided with an oil discharge port 312, and the oil discharge port 312 is correspondingly arranged right above the oil cup 32.

Lead the oil groove 31 other end and gather the inner wall connection of petticoat pipe 4 fixed, improved and led the fixed stability of oil groove 31 installation, avoided leading oil groove 31 to cause the deformation because of external forces such as vibrations, and make the greasy dirt spill and fall in the 4 intracavity of petticoat pipe to guarantee that oil drain port 312 department's greasy dirt that falls etc. can fall to in the oil cup 32.

As an alternative embodiment, the oil cup 32 may not be provided, and the oil guide groove 31 may be directly communicated with the external dirt discharge groove of the range hood.

The oil guide groove 31 is provided with a bent portion with an upward opening, and the oil discharge port 312 is provided at a bottom side of the bent portion. Oil drain port 312 sets up in kink bottom side for the greasy dirt can be guaranteed that the greasy dirt can accurately and fall to oil cup 32 completely from leading oil groove 31 to this position of flowing downwards, and the impact force that the greasy dirt that flows downwards was carried is effectively alleviated in setting up of kink, avoids taking place to splash at the in-process that falls into oil cup 32, avoids causing the pollution.

As an alternative embodiment, one end of the oil guide groove 3131 may be directly connected to the oil cup 3232.

In this embodiment, the range hood further includes a control member 6, and the control member 6 is electrically connected to the gas compression device and the heating member 1, respectively. The control member 6 is a pcb control panel, and in this embodiment, the control member 6 is further electrically connected to the wind wheel and a sensor disposed in the volute 5, and can control opening and closing of each electrically connected component.

As shown in fig. 1, in the embodiment, an exhaust duct is disposed at a connection portion of the volute and the top end of the smoke collecting hood, and a check valve is disposed at an end of the exhaust duct to prevent the airflow from flowing backward or being smell-reversed.

The working process is as follows:

cleaning is started, the control part 6 controls the heating part to be started, the heating part heats the volute 5 and controls the wind wheel to be started, so that the temperature of the inner cavity of the volute 5 is uniform, after the heating part works for a preset time, the temperature in the volute 5 is measured through a sensor arranged in the volute 5, the wind wheel is controlled to stop rotating after the temperature reaches the preset temperature, the air compression device is controlled to be started, gas is pressurized and is conveyed to the exhaust end 222 in the volute 5 through the air inlet end 221 of the air conveying pipeline, the exhaust port of the exhaust end 222 is blown towards the blades of the wind wheel and the inner wall of the volute 5 to be cleaned under the control of the air regulating device, oil stains after cleaning fall to the oil cup 32 through the oil guide groove 31, after another preset time, the air compression component and the heating part 1 are controlled to stop.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides a range hood, includes collection petticoat pipe (4) and locates inside spiral case (5) of collection petticoat pipe (4), its characterized in that still includes:

the heating element (1) is attached to the volute (5);

the air injection assembly (2) comprises an air supply part (21) and an air transmission channel (22), one end of the air transmission channel (22) is connected with the air supply part (21), the other end of the air transmission channel is communicated with the volute (5), and the air injection assembly is suitable for outputting air flow to the interior of the volute (5);

and the oil exhaust assembly (3) is arranged in the oil collecting hood (4) and communicated with the oil guide hole (51) at the bottom of the volute (5).

2. The range hood according to claim 1, wherein the heating element (1) is arranged outside the volute (5) and covers the surface of the volute (5).

3. A range hood according to claim 2, characterized in that the heating element (1) is arranged in a sheet-like manner.

4. A range hood according to any of claims 1-3, characterized in that the air supply part (21) is arranged on the top side of the fume collecting hood (4) and is internally provided with an air compression device.

5. A range hood according to claim 4, wherein the gas transmission channel (22) comprises:

the gas inlet end (221) is connected with the gas compression device in a sealing mode;

the exhaust end (222) penetrates through a through hole formed in the volute (5), is fixed in the volute (5), and is attached to the inner wall of the volute (5).

6. The range hood of claim 5, wherein the exhaust end (222) is provided with an exhaust port, and the exhaust port is annularly arranged and attached to the inner wall of the volute.

7. The extractor hood according to any of the claims from 5 to 6, characterized in that the oil extraction assembly (3) comprises:

the oil guide groove (31) is arranged in the fume collecting hood (4), and one end of the oil guide groove is fixedly connected with the oil guide hole (51) and is arranged in a sealing way;

and the oil cup (32) is arranged below the oil guide groove (31) and is suitable for receiving oil stains from the oil guide groove (31).

8. The range hood according to claim 7, wherein the other end of the oil guide groove (31) is fixedly connected with the inner wall of the fume collecting hood (4), the oil guide groove (31) is provided with an oil discharge port (312), and the oil discharge port is correspondingly arranged right above the oil cup (32).

9. The range hood according to claim 8, wherein the oil guiding groove (31) is provided with a bent portion which is opened upward, and the oil outlet (312) is provided at a bottom side of the bent portion.

10. A range hood according to any of claims 5-6, 8-9, further comprising a control member (6), said control member (6) being electrically connected to said gas compressing device and said heating member (1), respectively.