CN218583250U

CN218583250U - Smoke exhaust ventilator

Info

Publication number: CN218583250U
Application number: CN202222940139.7U
Authority: CN
Inventors: 任富佳; 陈建卫; 吴童; 高少华; 周海昕; 余国成
Original assignee: Hangzhou Robam Appliances Co Ltd
Current assignee: Hangzhou Robam Appliances Co Ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-07
Anticipated expiration: 2032-11-04

Abstract

The utility model relates to the technical field of household appliances, a range hood is disclosed, range hood includes cigarette machine main part and air deflector subassembly, be provided with the air intake in the cigarette machine main part, the air deflector subassembly sets up in the cigarette machine main part, and set up relatively with the air intake, form the circulation passageway that is linked together with the air intake between air deflector subassembly and the cigarette machine main part, range hood is still including sheltering from the board subassembly, the sheltering from board subassembly sets up in the cigarette machine main part, and be located the inboard of air deflector subassembly, the sheltering from board subassembly is configured to can shelter from the left circulation passageway of air intake, or shelter from the circulation passageway on air intake right side. When the range hood is used, when a single pot is used for cooking, for example, when a right pot is used for cooking, the shielding plate component shields the circulation channel on the left side of the air inlet to improve the negative pressure intensity on the right side; on the contrary, when the left side pot is used for cooking, the shielding plate assembly shields the flow passage on the right side of the air inlet, so that the smoking effect in the range of the cooking area of the range hood is improved, and the oil smoke is prevented from escaping.

Description

Smoke exhaust ventilator

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to a range hood.

Background

The range hood has the main function of exhausting oil fume generated in the cooking process to the outdoor so as to avoid polluting the indoor environment. At present, most families adopt double-end stoves for cooking, as shown in fig. 1, most of range hoods matched with the double-end stoves are provided with a single air inlet on a main body 1 ' of the range hood, and the air inlet is basically arranged at the center of the main body 1 ' of the range hood, in order to improve the problem of exposed oil screens of the air inlet, an air guide plate component 2 ' for shielding is usually arranged outside the air inlet, a circulation channel 3 ' communicated with the air inlet is formed around the air guide plate component 2 ' (see fig. 2), and oil smoke is sucked into the range hood by a fan in the main body 1 ' of the range hood through the circulation channel 3 ' and is discharged outdoors. Due to the arrangement, the negative pressure of the range hood is concentrated around the air deflector assembly 2', and the negative pressure on the left side and the right side of the range hood is low, so that the oil smoke escapes in the rising process, air pollution in a kitchen is caused, and the product experience of a user is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a range hood, it is low on the left and right sides negative pressure to have solved current range hood, leads to the oil smoke to produce the escape and arouse kitchen air pollution at the in-process that rises, influences user's product experience's technical problem.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a range hood, including cigarette machine main part and air deflection assembly, be provided with the air intake in the cigarette machine main part, air deflection assembly set up in the cigarette machine main part, and with the air intake sets up relatively, air deflection assembly with form between the cigarette machine main part with the circulation passageway that the air intake is linked together, range hood still includes the shielding plate subassembly, the shielding plate subassembly set up in the cigarette machine main part, and be located the inboard of air deflection assembly, the shielding plate subassembly is configured to shelter from the air intake is left the circulation passageway, or shelter from the air intake right side the circulation passageway.

When the range hood is used, when a single pot is used for cooking, for example, when a right pot is used for cooking, the shielding plate component shields the circulation channel on the left side of the air inlet to improve the negative pressure intensity on the right side; on the contrary, when the left side pot is used for cooking, the shielding plate assembly shields the circulation channel on the right side of the air inlet to improve the negative pressure strength on the left side, so that the smoking effect in the range of the cooking area of the range hood is improved, and the oil smoke is prevented from escaping.

As a preferable scheme of the above range hood, the shielding plate assembly includes:

the bracket assembly is arranged on the cigarette machine main body and is positioned at the air inlet;

the driving assembly comprises a driving motor, the driving motor is arranged on the bracket assembly, and an output shaft of the driving motor is perpendicular to the air inlet and passes through the center of the air inlet; and

the baffle assembly is arranged on an output shaft of the driving motor, and the driving motor is configured to drive the baffle assembly to rotate, so that the baffle assembly shields the circulation channel on the left side of the air inlet or the circulation channel on the right side of the air inlet.

The shielding plate assembly supports the driving assembly and the baffle plate assembly through the support assembly, the driving assembly drives the baffle plate assembly to rotate, so that the baffle plate assembly shields the circulation channel on the left side of the air inlet or the circulation channel on the right side of the air inlet, and the shielding plate assembly is simple in structure and convenient to prepare.

As a preferable scheme of the above range hood, the baffle plate assembly further includes:

the mounting frame is sleeved on the output shaft of the driving assembly and synchronously rotates along with the output shaft of the driving motor; and

the wind shield is arranged on the mounting frame and located in the circumferential direction of the air inlet, and the driving motor is configured to drive the mounting frame to rotate so as to drive the wind shield to rotate around the center of the air inlet.

The baffle assembly supports the wind shield through the mounting frame, and the wind shield is located in the circumferential direction of the air inlet and can rotate around the center of the air inlet, so that the circulation channel is partially shielded.

As an optimal scheme of the range hood, the mounting rack comprises two mounting plates, the two mounting plates are arranged at an included angle, one ends of the mounting plates are connected and sleeved on an output shaft of the driving motor, the other ends of the wind shields are connected with the wind shields, and the wind shields and the two mounting plates form a through hole in a surrounding mode.

The baffle plate assembly of the structure circulates oil smoke through the through hole to avoid blocking the oil smoke from entering the cigarette machine main body.

As a preferable scheme of the range hood, the included angle formed by the two ends of the wind shield and the connecting line of the connecting parts of the two mounting plates is 120-150 degrees.

The arrangement enables the wind shield to have a good blocking effect on the circulation channel.

As a preferable scheme of the range hood, the wind shield has an arc structure or a rectangular structure.

The wind shield is of a rectangular structure, so that the structure is simple and the preparation is convenient; the wind shield is of an arc-shaped structure, and the shape can be matched with that of the circulation channel so as to achieve a good blocking effect on the circulation channel.

As a preferable scheme of the range hood, the section of the wind shield of the arc structure is arc.

The cross-section of the wind screen of the arc-shaped structure is arc-shaped, and the oil remained on the surface of the wind screen can be rapidly gathered at the middle hump under the action of gravity, so that the problem that the oil on the surface of the wind screen for long-time work of the range hood is not easy to clean due to long-time adhesion is prevented.

As a preferable scheme of the range hood, an oil collecting tray is arranged below the air inlet of the range hood main body, and when the end part of the wind shield rotates to the lowest limit position, the projection in the vertical direction falls into the range of the oil collecting tray.

The oil on the wind shield flows into the oil collecting tray by the arrangement, and is prevented from dropping on the cooking bench.

As a preferable scheme of the range hood, the bracket assembly includes a plurality of support plates, one ends of the plurality of support plates are connected, a connection point of the plurality of support plates is located at a central position of the air inlet, the other ends of the plurality of support plates radially extend and are connected with the range hood main body by taking the connection point as a center, and the driving assembly is installed at the connection point.

The bracket component has simple structure and easy preparation, and avoids blocking the oil smoke.

As a preferable scheme of the range hood, smoke sensing devices are disposed on left and right sides of the air inlet of the range hood main body, and the smoke sensing devices are configured to detect smoke.

The smoke sensing device is arranged on the left side and the right side of the air inlet, so that the cookware on the detected side is in a use state, and the negative pressure strength of the corresponding side can be adjusted through the shielding plate assembly.

The utility model has the advantages that:

the utility model provides a range hood sets up the shielding plate subassembly in the inboard of aviation baffle subassembly, and the shielding plate subassembly can shelter from the left circulation passageway of air intake or shelter from the circulation passageway on air intake right side, uses range hood, and when single pot cooks, for example when using the right side pot to cook, the shielding plate subassembly shelters from the left circulation passageway of air intake and promotes the negative pressure intensity on right side; on the contrary, when the left side pot is used for cooking, the shielding plate assembly shields the circulation channel on the right side of the air inlet to improve the negative pressure strength on the left side, so that the smoking effect in the range of the cooking area of the range hood is improved, and the oil smoke is prevented from escaping.

Drawings

Fig. 1 is a schematic structural diagram of a range hood provided in the prior art;

figure 2 is a side view of a range hood as provided in the prior art;

fig. 3 is a schematic structural view of the range hood provided by the present invention, in which an air deflector assembly is to be installed;

fig. 4 is a schematic structural view of the range hood provided by the present invention after the air deflector assembly and the filter screen are detached;

fig. 5 is a side view of the range hood provided by the present invention;

fig. 6 is a schematic structural diagram of a shielding plate assembly provided by the present invention;

fig. 7 is a first schematic structural diagram of a baffle plate assembly provided by the present invention;

fig. 8 is a schematic structural diagram ii of a baffle plate assembly provided by the present invention;

fig. 9 is a schematic structural diagram three of a baffle plate assembly provided by the present invention;

FIG. 10 is a cross-sectional view of a wind deflector provided by the present invention;

FIG. 11 is a cross-sectional view of another wind deflector provided by the present invention;

fig. 12 is a schematic structural view of the operating state of the range hood when the left and right side pans cook;

fig. 13 is a schematic structural view of the operating state of the range hood when cooking in the right pot.

In the figure:

1', a cigarette machine main body; 2', an air deflector assembly; 3', a flow channel;

1. a cigarette machine main body; 11. a hood housing; 111. an air inlet; 12. a fan assembly; 13. a filter screen;

2. an air deflector assembly; 20. a flow-through channel;

3. a shutter member; 31. a bracket assembly; 311. a support plate;

32. a drive assembly; 33. a baffle plate assembly; 331. a mounting frame; 3311. mounting a plate; 3312. a connecting member; 3313. inserting holes; 332. a wind deflector; 333. a through hole;

4. an oil collecting tray;

5. a smoke sensing device.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of 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.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, 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" and "second" are used only for descriptive purposes and are not intended to be limiting.

As shown in fig. 3, the present embodiment provides a range hood, including a range hood body 1 and an air guide plate assembly 2, the range hood body 1 includes a range hood housing 11 and a fan assembly 12, an air inlet 111 (see fig. 4) is disposed at a central position of a front side (a side of the range hood facing a user) of the range hood housing 11, the fan assembly 12 is disposed in the range hood housing 11, an air inlet of the fan assembly 12 is disposed opposite to the air inlet 111, a filter screen 13 is disposed at the air inlet 111 for filtering oil smoke, the air guide plate assembly 2 is disposed on the range hood housing 11 and located outside the air inlet 111, the air guide plate assembly 2 is disposed opposite to the air inlet 111, a circulation channel 20 (see fig. 5) communicated with the air inlet 111 is formed between the air guide plate assembly 2 and the range hood body 1, the oil smoke enters the fan assembly 12 through the circulation channel 20 and the air inlet 111, the fan assembly 12 discharges the oil smoke outdoors to avoid polluting an indoor environment.

Because the air inlet 111 is arranged at the center of the front side of the range hood shell 11, the negative pressure of the range hood is concentrated around the air deflector assembly 2, and the negative pressure at the left and right sides of the range hood is low, so that the oil smoke escapes in the rising process, air pollution in a kitchen is caused, and the product experience of a user is influenced.

In order to solve the above problem, as shown in fig. 3 and 4, the range hood further includes a shielding plate assembly 3, the shielding plate assembly 3 is disposed on the range hood housing 11 and located inside the air deflector assembly 2, and the shielding plate assembly 3 can shield the circulation channel 20 on the left side of the air inlet 111 or shield the circulation channel 20 on the right side of the air inlet 111 (see fig. 5). When a single pot is used for cooking, for example, when a right pot is used for cooking, the shielding plate assembly 3 shields the circulation channel 20 on the left side of the air inlet 111 to improve the negative pressure intensity on the right side; on the contrary, when using the left side pot culinary art, the flow channel 20 that shutter assembly 3 sheltered from air intake 111 right side promotes left negative pressure intensity to promote the smoking effect of range hood culinary art regional within range, avoid the escape of oil smoke, improve user's experience impression.

As shown in fig. 4 and 6, the shielding plate assembly 3 includes a bracket assembly 31, a driving assembly 32 and a baffle plate assembly 33, wherein the bracket assembly 31 is mounted on the smoke machine housing 11 and is located at the air inlet 111; the driving assembly 32 comprises a driving motor, the driving motor is mounted on the bracket assembly 31, an output shaft of the driving motor is perpendicular to the air inlet 111 and passes through the center of the air inlet 111, the driving motor is electrically connected with a control center of the cigarette machine main body 1, and the control center is used for controlling the opening, closing and rotating directions of the driving motor; the baffle plate assembly 33 is disposed on an output shaft of the driving motor, and the driving assembly 32 is used for driving the baffle plate assembly 33 to rotate, so that the baffle plate assembly 33 blocks the circulation channel 20 at the left side of the air inlet 111 or blocks the circulation channel 20 at the right side of the air inlet 111. In this embodiment, the baffle assembly 33 is located between the air deflector assembly 2 and the filter screen 13. The shielding plate assembly 3 supports the driving assembly 32 and the baffle plate assembly 33 through the bracket assembly 31, and the driving assembly 32 drives the baffle plate assembly 33 to rotate, so that the baffle plate assembly 33 shields the circulation passage 20 at the left side of the air inlet 111 or the circulation passage 20 at the right side of the air inlet 111.

It should be noted that: because baffle subassembly 33 sets up between aviation baffle subassembly 2 and filter screen 13, all have certain clearance between baffle subassembly 33 and aviation baffle subassembly 2 and the filter screen 13, avoid baffle subassembly 33 to produce the friction between aviation baffle subassembly 2 and the filter screen 13 in rotatory process.

Further, the bracket assembly 31 includes a plurality of supporting plates 311, one end of each of the plurality of supporting plates 311 is connected, a connection point of the plurality of supporting plates 311 is located at a central position of the air inlet 111, the other end of each of the plurality of supporting plates 311 extends in a radial direction with the connection point as a center and is connected to the cigarette machine housing 11, and the driving motor is installed at the connection point. The bracket assembly 31 has a simple structure, is easy to prepare, and avoids blocking oil smoke. In this embodiment, the bracket assembly 31 includes three support plates 311, the included angle between any two adjacent support plates 311 in the three support plates 311 is equal, and is 60 °, and the bracket assembly 31 formed by the three support plates 311 is stable in support and simple in structure.

As shown in fig. 7-9, the baffle plate assembly 33 includes a mounting frame 331 and a wind deflector 332, the mounting frame 331 is sleeved on the output shaft of the driving motor and rotates synchronously with the output shaft of the driving motor, so that the mounting frame 331 can rotate around the center of the air inlet 111; the wind shield 332 is disposed on the mounting frame 331 and located in the circumferential direction of the air inlet 111, and the driving motor is used for driving the mounting frame 331 to rotate so as to drive the wind shield 332 to rotate around the center of the air inlet 111. The baffle assembly 33 supports the wind deflector 332 through the mounting frame 331, and the wind deflector 332 is located at the periphery of the air inlet 111 and can rotate around the center of the air inlet 111, so as to partially shield the flow channel 20.

Furthermore, the mounting block 331 includes two mounting plates 3311, and two mounting plates 3311 are the contained angle setting, and the one end of two mounting plates 3311 links to each other to the cover is located on driving motor's the output shaft, and the other end of two mounting plates 3311 links to each other with deep bead 332, and two mounting plates 3311 and deep bead 332 enclose into similar triangle-shaped's structure, and structural stability is better. The wind shield 332 and the two mounting plates 3311 enclose a through hole 333 therebetween, and oil smoke is circulated through the through hole 333, thereby preventing the oil smoke from entering the range hood main body 1. In order to facilitate the installation of the mounting frame 331 on the output shaft of the driving motor, the connecting part 3312 is disposed at the joint of one end of the two mounting plates 3311, the connecting part 3312 is provided with a plugging hole 3313, and the mounting frame 331 is sleeved on the output shaft of the driving motor through the plugging hole 3313 and synchronously rotates along with the output shaft of the driving motor.

Preferably, as shown in fig. 8, the two ends of the wind deflector 332 form an included angle with a connecting line of the connecting portions of the two mounting plates 3311, and the included angle a ranges from 120 ° to 150 °, so that the wind deflector 332 can block the flow channel 20 well.

Alternatively, wind deflector 332 has an arcuate configuration or a rectangular configuration. As shown in fig. 10, the wind deflector 332 has a rectangular structure, and is simple in structure and convenient to manufacture. As shown in fig. 11, the wind deflector 332 has an arc-shaped structure, and the shape of the wind deflector can be adapted to the shape of the flow channel 20 to provide a good blocking effect for the flow channel 20. In this embodiment, the wind deflector 332 has an arc structure, preferably an arc structure, and the cross section of the wind deflector 332 having the arc structure is arc-shaped. The deep bead 332 of this shape is favorable to remaining under the effect of gravity that the oil on deep bead 332 surface can gather to middle hump department fast, prevents to appear that the long-time adhesion of oil on deep bead 332 surface of long-time work of lampblack absorber is difficult to abluent problem.

Optionally, as shown in fig. 4, an oil collecting tray 4 is disposed below the air inlet 111 of the cigarette maker case 11 and can receive the air deflector assembly 2 and oil on the air deflector 332. Preferably, the end of the wind deflector 332 is rotated to the lowest limit position, and the projection in the vertical direction falls within the range of the oil collecting tray 4, so that the oil on the wind deflector 332 flows into the oil collecting tray 4 and is prevented from dripping on the cooking bench.

Optionally, smoke sensing devices 5 are disposed on the left and right sides of the smoke machine body 1 at the air inlet 111, and the smoke sensing devices 5 are used for detecting smoke. The smoke sensing device 5 is electrically connected with a control center of the range hood, the smoke sensing device 5 sends a signal to the control center after detecting a signal of oil smoke, the control center sends an instruction to the driving motor, and the driving motor drives the baffle plate assembly 33 to rotate to one side opposite to the position of the oil smoke so as to improve the negative pressure strength of the corresponding side of the cooking pot. Device 5 is felt to the left and right sides through setting up the cigarette at air intake 111 to the pan that is located which side in the detection is in user state, and then can correspond the negative pressure intensity of side through shielding plate assembly 3 adjustment. In this embodiment, the smoke sensor 5 is a smoke sensor.

Under normal conditions, when the user does not cook or the left and right pans cook simultaneously, the wind screen 332 in the shutter assembly 3 is rotated to be at the bottommost position by the driving motor. As shown in fig. 12, which is a schematic structural view of the left and right pans cooking simultaneously, the wind shielding plate 332 of the shielding plate assembly 3 is located at the bottommost part. When the single pot culinary art, for example, right side pot culinary art, as shown in fig. 13, smoke transducer on this moment right side receives under the condition that the right side has the cigarette, signals give control center, control center gives the instruction and drives the deep bead 332 rotatory to the left side position for driving motor, promote the negative pressure intensity on right side through sheltering from the left circulation passageway 20 of air intake 111, thereby promote the smoking effect of lampblack absorber culinary art regional scope, at this moment, the projection of edge vertical direction when the tip of deep bead 332 rotates to minimum extreme position falls into the length size within range of deep bead 4, prevent that the oil on deep bead 332 surface from falling onto the top of a kitchen range. On the contrary, when the left pot is cooked, the wind screen 332 shields the circulation passage 20 at the right side of the air inlet 111.

It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. Range hood, including cigarette machine main part (1) and aviation baffle subassembly (2), be provided with air intake (111) on cigarette machine main part (1), aviation baffle subassembly (2) set up in on cigarette machine main part (1), and with air intake (111) set up relatively, form between aviation baffle subassembly (2) and the cigarette machine main part (1) with circulation passageway (20) that air intake (111) are linked together, its characterized in that, range hood still includes shielding plate subassembly (3), shielding plate subassembly (3) set up in on cigarette machine main part (1), and be located the inboard of aviation baffle subassembly (2), shielding plate subassembly (3) are configured as can shelter from air intake (111) left circulation passageway (20), or shelter from air intake (111) right side circulation passageway (20).

2. The extractor hood according to claim 1, characterized in that said shutter assembly (3) comprises:

the bracket assembly (31) is arranged on the cigarette machine main body (1) and is positioned at the air inlet (111);

the driving assembly (32) comprises a driving motor, the driving motor is mounted on the bracket assembly (31), and an output shaft of the driving motor is perpendicular to the air inlet (111) and passes through the center of the air inlet (111); and

the baffle assembly (33) is arranged on an output shaft of the driving motor, and the driving motor is configured to drive the baffle assembly (33) to rotate, so that the baffle assembly (33) shields the circulation channel (20) on the left side of the air inlet (111) or shields the circulation channel (20) on the right side of the air inlet (111).

3. The range hood according to claim 2, wherein the baffle assembly (33) comprises:

the mounting frame (331) is sleeved on the output shaft of the driving motor and synchronously rotates along with the output shaft of the driving motor; and

the wind shield plate (332) is arranged on the mounting frame (331) and is located in the circumferential direction of the air inlet (111), and the driving motor is configured to drive the mounting frame (331) to rotate so as to drive the wind shield plate (332) to rotate around the center of the air inlet (111).

4. The range hood according to claim 3, wherein the mounting frame (331) comprises two mounting plates (3311), the two mounting plates (3311) are disposed at an included angle, one ends of the two mounting plates (3311) are connected and sleeved on an output shaft of the driving motor, the other ends of the two wind shields (332) are connected to the wind shield (332), and a through hole (333) is defined between the wind shield (332) and the two mounting plates (3311).

5. The range hood according to claim 4, wherein the included angle formed by the two ends of the wind screen (332) and the connecting line of the connecting parts of the two mounting plates (3311) is 120-150 °.

6. The range hood according to claim 3, wherein the wind deflector (332) has an arc-shaped structure or a rectangular structure.

7. The range hood according to claim 6, wherein the cross section of the wind shield (332) of the arc structure is arc-shaped.

8. The range hood according to any one of claims 3-7, wherein an oil collecting tray (4) is arranged below the air inlet (111) of the range hood body (1), and a projection in a vertical direction when the end of the wind shield (332) rotates to a lowest limit position falls into the range of the oil collecting tray (4).

9. The range hood according to any one of claims 2-7, wherein the bracket assembly (31) comprises a plurality of support plates (311), one ends of the plurality of support plates (311) are connected, the connection point of the plurality of support plates (311) is located at the center of the air inlet (111), the other ends of the plurality of support plates (311) extend in the radial direction with the connection point as the center and are connected with the machine body (1), and the driving motor is installed at the connection point.

10. The range hood according to any one of claims 1-7, wherein smoke sensing devices (5) are disposed on the left and right sides of the air inlet (111) of the range hood body (1), and the smoke sensing devices (5) are configured to detect smoke.