阅读说明：本技术 一种吸油烟机 (Fume exhaust fan ) 是由 李永波 潘叶江 于 2020-11-10 设计创作，主要内容包括：本发明提出了一种吸油烟机,包括集烟罩、设置在所述集烟罩上的箱体及设置在所述箱体内的风机系统,在所述集烟罩上形成第一进烟口及第二进烟口,在所述第一进烟口与所述风机系统之间形成第一进风风道,在所述第二进烟口与所述风机系统之间形成第二进风风道,在所述集烟罩内还设有风量调节装置,所述风量调节装置用于调节所述第一进风风道和所述第二进风风道进风面积,以调节所述第一进烟口与所述第二进烟口的进风流量。通过风量调节装置增大进风风道的进风面积,以减小烟机进入的阻力,或减小进风风道的进风面积,以增大烟机进入的阻力,更多的烟气进入到被增大的进风风道内,达到调节进烟口的进风流量的目的。(The invention provides a range hood, which comprises a smoke collecting hood, a box body arranged on the smoke collecting hood and a fan system arranged in the box body, wherein a first smoke inlet and a second smoke inlet are formed on the smoke collecting hood, a first air inlet duct is formed between the first smoke inlet and the fan system, a second air inlet duct is formed between the second smoke inlet and the fan system, and an air volume adjusting device is also arranged in the smoke collecting hood and used for adjusting the air inlet areas of the first air inlet duct and the second air inlet duct so as to adjust the air inlet flow of the first smoke inlet and the second smoke inlet. The air inlet area of the air inlet duct is increased through the air volume adjusting device so as to reduce the resistance of the cigarette machine entering or reduce the air inlet area of the air inlet duct so as to increase the resistance of the cigarette machine entering, more smoke enters the increased air inlet duct, and the purpose of adjusting the air inlet flow of the smoke inlet is achieved.)

1. A range hood comprises a fume collecting hood (6), a box body (3) arranged on the fume collecting hood (6) and a fan system (4) arranged in the box body (3), it is characterized in that a first smoke inlet (21) and a second smoke inlet (22) are formed on the smoke collecting hood (6), a first air inlet duct (23) is formed between the first smoke inlet (21) and the fan system (4), a second air inlet duct (24) is formed between the second smoke inlet (22) and the fan system (4), an air volume adjusting device (5) is also arranged in the fume collecting hood (6), the air volume adjusting device (5) is used for adjusting the air inlet areas of the first air inlet duct (23) and the second air inlet duct (24), so as to adjust the intake air flow of the first smoke inlet (21) and the second smoke inlet (22).

2. A range hood as claimed in claim 1, wherein the air volume adjusting device (5) comprises an air volume adjusting plate (51), one end of the air volume adjusting plate (51) is rotatably mounted on the fume collecting hood (6), and the other end extends towards the fan system (4).

3. A range hood according to claim 2, wherein one end of the air volume adjusting plate (51) connected with the fume collecting hood (6) is arranged between the first fume inlet (21) and the second fume inlet (22).

4. The range hood according to claim 3, wherein the air volume adjusting device (5) further comprises a driving motor (52) for driving the air volume adjusting plate (51) to rotate, the air volume adjusting plate (51) is installed on a motor shaft of the driving motor (52), and the driving motor (52) drives the air volume adjusting plate (51) to rotate so as to adjust the air inlet areas of the first air inlet duct (23) and the second air inlet duct (24).

5. A range hood according to claim 4, wherein the air volume adjusting device (5) further comprises a support (53), the support (53) is mounted on the inner wall of the fume collecting hood (6), and the air volume adjusting plate (51) is rotatably connected with the support (53).

6. A range hood as claimed in any one of claims 1 to 5, wherein the smoke collecting hood (6) comprises a bottom cover panel (61), a first side panel (62) and a second side panel (63) disposed at two ends of the bottom cover panel (61), the first side panel (62) is disposed obliquely upward from the position close to the bottom cover panel (61) to the position far from the bottom cover panel (61), the second side panel (63) is disposed obliquely upward from the position close to the bottom cover panel (61) to the position far from the bottom cover panel (61), the first smoke inlet (21) is disposed on the first side panel (62), and the second smoke inlet (22) is disposed on the second side panel (63).

7. A range hood according to any one of claims 1-5, characterized in that a cooking bench is arranged below the fume collecting hood (6), a first burner and a second burner are arranged on the cooking bench, the first fume inlet (21) is opposite to the first burner, and the second fume inlet (22) is opposite to the second burner.

8. The range hood according to any one of claims 1 to 5, wherein a smoke guide plate (7) is disposed on the first smoke inlet (21) and/or the second smoke inlet (22), a smoke inlet channel (8) is formed between the smoke guide plate (7) and the first smoke inlet (21) or the second smoke inlet (22), and the smoke guide plate (7) is used for guiding smoke to the smoke inlet channel (8).

9. The range hood according to claim 8, wherein the smoke guide plate (7) comprises a first smoke guide plate (71) and a second smoke guide plate (72), one end of the first smoke guide plate (71) is connected with one end of the second smoke guide plate (72), the first smoke guide plate (71) is inclined upwards from one end close to the second smoke guide plate (72) to one end far away from the second smoke guide plate (72), and the second smoke guide plate (72) is inclined upwards from one end close to the first smoke guide plate (71) to one end far away from the first smoke guide plate (71).

10. The range hood according to claim 8, wherein a support structure is provided on the first smoke inlet (21) and the second smoke inlet (22), and the support structure is connected to the smoke guide plate (7) to mount the smoke guide plate (7) on the first smoke inlet (21) or the second smoke inlet (22).

Technical Field

The invention relates to the technical field of range hoods, in particular to a range hood.

Background

In the cooking process of most families, one side of the stove is usually working, the generated oil smoke is large, the other side is little, and even no oil smoke is generated; however, in the current range hood, the air inlet is arranged in the middle, although the air volume of the whole range hood is very large, the range hood is indiscriminate during use and fixedly sucks the whole range hood area, so that when the furnace end on one side works and the furnace end on the other side does not work, or when the oil smoke volume on one side is small during work, clean invalid air is sucked into one half of the exhaust volume of the range hood, the pumping potential of the range hood is seriously wasted, the energy is wasted, the defect of large noise is caused, and the use experience of a user is poor.

In addition, the negative pressure generated by the suction of the current range hood is mainly concentrated right above the centers of the two cooking ranges, the negative pressure is very small at two outer side positions above the cooking ranges, and the negative pressure cannot be sucked into the range hood under the condition of large oil smoke impact, so that the range hood overflows from the outer side edges of the two cooking ranges and is poor in experience.

Disclosure of Invention

The invention solves one of the problems in the prior art to a certain extent, and therefore the invention aims to provide a range hood for adjusting the air intake flow of a smoke inlet.

The above purpose is realized by the following technical scheme:

the utility model provides a range hood, is in including collection petticoat pipe, setting box and setting on the collection petticoat pipe are in fan system in the box, its characterized in that it forms first inlet flue and second inlet flue on the collection petticoat pipe first inlet flue with form first air inlet duct between the fan system the second inlet flue with form second air inlet duct between the fan system still be equipped with air regulation device in the collection petticoat pipe, air regulation device is used for adjusting first air inlet duct with second air inlet duct air inlet area, in order to adjust first inlet flue with the inlet air flow of second inlet flue.

As a further improvement of the invention, the air quantity adjusting device comprises an air quantity adjusting plate, one end of the air quantity adjusting plate is rotatably arranged on the fume collecting cover, and the other end of the air quantity adjusting plate extends towards the direction of the fan system.

As a further improvement of the invention, one end of the air volume adjusting plate connected with the smoke collecting hood is arranged between the first smoke inlet and the second smoke inlet.

As a further improvement of the present invention, the air volume adjusting device further includes a driving motor for driving the air volume adjusting plate to rotate, the air volume adjusting plate is mounted on a motor shaft of the driving motor, and the driving motor drives the air volume adjusting plate to rotate so as to adjust the air inlet areas of the first air inlet duct and the second air inlet duct.

As a further improvement of the invention, the air volume adjusting device further comprises a support, the support is mounted on the inner wall of the fume collecting hood, and the air volume adjusting plate is rotatably connected with the support.

As a further improvement of the present invention, the smoke collecting hood includes a bottom cover panel, a first side panel and a second side panel, the first side panel and the second side panel are disposed at two ends of the bottom cover panel, the first side panel is disposed from being close to the bottom cover panel to being far from the bottom cover panel, the second side panel is disposed from being close to the bottom cover panel to being far from the bottom cover panel, the first smoke inlet is disposed on the first side panel, and the second smoke inlet is disposed on the second side panel.

As a further improvement of the present invention, a cooking bench is arranged below the smoke collecting hood, a first furnace end and a second furnace end are arranged on the cooking bench, the first smoke inlet is opposite to the first furnace end, and the second smoke inlet is opposite to the second furnace end.

As a further improvement of the present invention, a smoke guide plate is disposed on the first smoke inlet and/or the second smoke inlet, a smoke inlet channel is formed between the smoke guide plate and the first smoke inlet or the second smoke inlet, and the smoke guide plate is used for guiding smoke to the smoke inlet channel.

As a further improvement of the present invention, the smoke guide plate includes a first smoke guide plate and a second smoke guide plate, one end of the first smoke guide plate is connected to one end of the second smoke guide plate, the first smoke guide plate is disposed to be inclined upward from one end close to the second smoke guide plate to one end far away from the second smoke guide plate, and the second smoke guide plate is disposed to be inclined upward from one end close to the first smoke guide plate to one end far away from the first smoke guide plate.

As a further improvement of the present invention, a support structure is provided on the first smoke inlet and the second smoke inlet, and the support structure is connected to the smoke guide plate to mount the smoke guide plate on the first smoke inlet or the second smoke inlet.

Compared with the prior art, the invention at least comprises the following beneficial effects:

1. the invention provides a range hood, which increases the air inlet area of an air inlet duct through an air volume adjusting device so as to reduce the entering resistance of a range hood, or decreases the air inlet area of the air inlet duct so as to increase the entering resistance of the range hood, so that more smoke enters the increased air inlet duct, and the aim of adjusting the air inlet flow of a smoke inlet is fulfilled.

Drawings

FIG. 1 is a schematic structural diagram of a range hood according to an embodiment;

FIG. 2 is another schematic structural diagram of a range hood according to an embodiment;

FIG. 3 is a schematic view of another embodiment of a range hood;

FIG. 4 is an exploded view of an exemplary range hood;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is another exploded view of an exemplary range hood;

FIG. 7 is an enlarged view of a portion of FIG. 6 at B;

fig. 8 is a further exploded view of the range hood according to the embodiment.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. Modifications to the embodiments of the invention or equivalent substitutions of parts of technical features without departing from the spirit of the invention are intended to be covered by the scope of the claims of the invention.

Referring to fig. 1-8, a range hood 1 of the present invention is shown, including a smoke collecting hood 6, a box 3 disposed on the smoke collecting hood 6, and a fan system 4 disposed in the box 3, a first smoke inlet 21 and a second smoke inlet 22 are formed on the smoke collecting hood 6, a first air inlet duct 23 is formed between the first smoke inlet 21 and the fan system 4, a second air inlet duct 24 is formed between the second smoke inlet 22 and the fan system 4, an air volume adjusting device 5 is further disposed in the smoke collecting hood 6, and the air volume adjusting device 5 is configured to adjust air inlet areas of the first air inlet duct 23 and the second air inlet duct 24, so as to adjust air inlet flow volumes of the first smoke inlet 21 and the second smoke inlet 22.

The invention provides a range hood 1, wherein flue gas can enter a first air inlet duct 23 through a first smoke inlet 21 on a smoke collecting hood 6, then enter a fan system 4, and is discharged from an air outlet end of the fan system 4, or enter a second air inlet duct 24 from a second smoke inlet 22 on the smoke collecting hood 6, then enter the fan system 4, and is discharged from an air outlet end of the fan system 4, an air volume adjusting device 5 is arranged between the first air inlet duct 23 and the second air inlet duct 24, the air inlet area of the air inlet duct is increased through the air volume adjusting device 5 to reduce the resistance of the entering flue gas, and more flue gas enters the increased air inlet duct to achieve the purpose of adjusting the air inlet flow of the smoke inlet.

When the air volume adjusting device 5 increases the area of the first air inlet duct 23 and decreases the area of the second air inlet duct 24, that is, the area of the first air inlet duct 23 increases and the resistance decreases, and the area of the second air inlet duct 24 decreases and the resistance increases, more flue gas enters the first air inlet duct 23, the flow of flue gas entering the first air inlet duct 23 increases, the flow of flue gas entering the second air inlet duct 24 decreases, and the purpose of adjusting the air intake flow of the first smoke inlet 21 and the second smoke inlet 22 is achieved.

A cooking bench is arranged below the smoke collecting cover 6, and a first furnace end and a second furnace end are arranged on the cooking bench. The upper part of the first furnace end corresponds to a first air inlet channel 23, and the upper part of the second furnace end corresponds to a second air inlet channel 24. When the first furnace end works, the second furnace end does not work, or the oil smoke volume produced by the second furnace end is smaller in working, the first air inlet duct 23 and the air inlet area of the second air inlet duct 24 are adjusted by the air volume adjusting device 5, the area of the first air inlet duct 23 is increased, the area of the second air inlet duct 24 is reduced, the area of the air inlet duct corresponding to the end furnace end producing more oil smoke volume is increased, and the generated smoke is sucked better to prevent the oil smoke from escaping.

The air volume adjusting device 5 comprises an air volume adjusting plate 51, one end of the air volume adjusting plate 51 is rotatably arranged on the fume collecting hood 6, and the other end of the air volume adjusting plate extends towards the fan system 4. One end of the air volume adjusting plate 51 connected with the smoke collecting hood 6 is arranged between the first smoke inlet 21 and the second smoke inlet 22. By rotating the air volume adjusting plate 51, the air inlet area of the first air inlet duct 23 is increased, the air inlet area of the second air inlet duct 24 is decreased, or the air inlet area of the first air inlet duct 23 is decreased, and the air inlet area of the second air inlet duct 24 is increased.

In this embodiment, when the air volume adjusting plate 51 is perpendicular to the first smoke inlet 21 or the second smoke inlet 22, the air inlet area of the first air inlet duct 23 is equal to the air inlet area of the second air inlet duct 24, that is, the smoke inlet resistances of the first smoke inlet 21 and the second smoke inlet 22 are equal, and the smoke inlet flow rates are equal.

Work as air regulation board 51 orientation first air inlet duct 23 or first inlet flue 21 direction is rotated, reduces the air inlet area of first air inlet duct 23, increases second air inlet duct 24's air inlet area promptly, works as air regulation board 51 with form acute angle, air regulation board 51 between the first inlet flue 21 with form the obtuse angle between the second inlet flue 22, the air inlet area of first air inlet duct 23 is less than the air inlet area of second air inlet duct 24, the cigarette resistance of advancing of first inlet flue 21 is greater than the cigarette resistance of advancing of second inlet flue 22, and the cigarette flow of advancing of first inlet flue 21 is less than the cigarette flow of advancing of second inlet flue 22.

Work as air regulation board 51 orientation second air inlet duct 24 or second inlet flue 22 direction is rotated, reduces second air inlet duct 24's air inlet area, the air inlet area of the first air inlet duct 23 of increase promptly, works as air regulation board 51 with form acute angle, air regulation board 51 between the second inlet flue 22 with form the obtuse angle between the first inlet flue 21, the air inlet area of second air inlet duct 24 is less than the air inlet area of first air inlet duct 23, the resistance of advancing of first inlet flue 21 is less than the resistance of second inlet flue 22, and the flow of advancing of first inlet flue 21 is greater than the flow of advancing of second inlet flue 22.

Air regulation device 5 is still including being used for the drive air regulation plate 51 pivoted driving motor 52, air regulation plate 51 is installed on driving motor 52's the motor shaft, through driving motor 52 drives air regulation plate 51 rotates in order to adjust first air inlet wind channel 23 with the air inlet area in second air inlet wind channel 24. The motor shaft of the driving motor 52 rotates to drive the air volume adjusting plate 51 to rotate towards the first smoke inlet 21 or towards the second smoke inlet 22, so as to adjust the air inlet area of the first air inlet duct 23 and the second air inlet duct 24. Preferably, the device further comprises a controller, wherein the controller is electrically connected with the driving motor 52, and the electrical connection includes a wired connection and a wireless connection. The cigarette machine is also provided with a control panel, a user can control the rotation of the motor through the control panel to control the rotation of the air adjusting plate 51, and then the air inlet area of the first air inlet channel 23 and the second air inlet channel 24 is adjusted.

The air volume adjusting device 5 further comprises a support 53, the support 53 is installed on the inner wall of the fume collecting hood 6, and the air volume adjusting plate 51 is rotatably connected with the support 53. One end of the air volume adjusting plate 51 connected with the fume collecting hood 6 is installed on the fume collecting hood 6 through the bracket and the driving motor 52.

Collection petticoat pipe 6 includes bottom cover panel 61, sets up the first side board 62 and the second side board 63 at bottom cover panel 61 both ends, first side board 62 is by being close to bottom cover panel 61 is to keeping away from bottom cover panel 61 slope upwards sets up, second side board 63 is by being close to bottom cover panel 61 is to keeping away from bottom cover panel 61 slope upwards sets up, first inlet flue 21 sets up on the first side board 62, the second inlet flue 22 sets up on the second side board 63. The fume collecting hood 6 is thick in the middle and thin at two ends and is of a V-shaped structure.

A cooking bench is arranged below the smoke collecting cover 6, a first furnace end and a second furnace end are arranged on the cooking bench, the first smoke inlet 21 is opposite to the first furnace end, and the second smoke inlet 22 is opposite to the second furnace end.

A smoke guide plate 7 is arranged on the first smoke inlet 21 and/or the second smoke inlet 22, a smoke inlet channel 8 is formed between the smoke guide plate 7 and the first smoke inlet 21 or the second smoke inlet 22, and the smoke guide plate 7 is used for guiding smoke to the smoke inlet channel 8.

Cigarette guide 7 includes first cigarette guide 71 and second cigarette guide 72, the one end of first cigarette guide 71 with the one end of second cigarette guide 72 is connected, first cigarette guide 71 is by being close to the one end of second cigarette guide 72 is to keeping away from the one end slope up setting of second cigarette guide 72, second cigarette guide 72 is by being close to the one end of first cigarette guide 71 is to keeping away from the one end slope up setting of first cigarette guide 71. So that the smoke guide plate 7 is in a V-shaped structure. The oil smoke is guided to the two sides in a shunting way, the situation that the oil smoke overflows from the smoke inlet due to the fact that a large amount of smoke instantaneously impacts the smoke inlet is avoided, and the smoking effect is improved.

And a support structure is arranged on the first smoke inlet 21 and the second smoke inlet 22, and the first smoke inlet 21 and the second smoke inlet 22 are connected with the smoke guide plate 7 through the support structure so as to install the smoke guide plate 7 on the first smoke inlet 21 or the second smoke inlet 22.

The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.