CN212987330U

CN212987330U - Fume exhaust fan

Info

Publication number: CN212987330U
Application number: CN202021244146.8U
Authority: CN
Inventors: 于克阳; 胡玉波; 何崇伟
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-04-16
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a range hood, including the collection petticoat pipe, the air intake has been seted up on the collection petticoat pipe, form the collection smoke chamber in the collection petticoat pipe, the air intake communicates its characterized in that with the fluid in collection smoke chamber: the collection petticoat pipe extends in vertical direction, the air intake is including setting up first air intake and the second air intake on two relative lateral walls of collection petticoat pipe. Compared with the prior art, the utility model has the advantages of: the first air inlet and the second air inlet are formed in two opposite sides of the smoke collecting cover, so that the smoke collecting cover can be arranged between the two furnace ends, the first air inlet and the second air inlet are arranged corresponding to the furnace ends on the corresponding sides, and the balance of smoke suction effects on the two sides of the smoke collecting cover can be ensured; through setting up the collection petticoat pipe between two furnace ends for the collection petticoat pipe can not shelter from the sight, and can be close to the smoke source (furnace end) with the air intake and set up, thereby can promote the oil absorption cigarette effect.

Description

Fume exhaust fan

Technical Field

The utility model relates to an oil smoke purifier, especially a range hood.

Background

The range hood has become one of the indispensable kitchen household electrical appliances in modern families.

For example, the chinese utility model patent with application number 201420143819.9 discloses a range hood with an extended fan housing, which comprises a fan housing and a smoke collecting hood installed at the lower part of the fan housing, wherein a fan system is installed in the fan housing, and the ratio of the fan housing to the smoke collecting hood in the vertical projection is 1: 1-4: 1

As shown in this patent, this range hood's air intake is nearer apart from the smoke source, has fine range hood effect, but this range hood can shelter from the sight to because the air intake is nearer apart from the smoke source, can not use too high pan.

Still like chinese utility model patent that application number is 201720044678.9 discloses a ceiling type range hood, including collection petticoat pipe and fairing, the air intake has been seted up on the collection petticoat pipe, air intake department is provided with the oil cleaner screen, fairing sets up in the air intake below, fairing includes the cowling panel of a plurality of rectangular shapes, every cowling panel is preceding at range hood, extend on the rear direction, and arrange side by side in range hood's the left and right directions, constitute inlet air channel between two adjacent cowling panels, inlet air channel's air inlet area is left by fairing's centre, right side both sides crescent.

The range hood can not shield the sight, but cannot gather smoke well when the oil smoke amount is large because of the overhigh air inlet, so that the risk of oil smoke escape exists, and the oil smoke absorption effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art existence, provide a do not shelter from sight, air intake and nearer, the effectual range hood of oil absorption cigarette apart from the pan.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a range hood, includes the collection petticoat pipe, the air intake has been seted up on the collection petticoat pipe, form the collection smoke chamber in the collection petticoat pipe, the air intake communicates its characterized in that with the fluid in collection smoke chamber: the collection petticoat pipe extends in vertical direction, the air intake is including setting up first air intake and the second air intake on two relative lateral walls of collection petticoat pipe.

In order to gather the oil smoke together and prevent the oil smoke from escaping, the range hood further comprises a smoke baffle plate arranged at the air inlet, and the smoke baffle plate comprises a first smoke baffle plate arranged at the first air inlet and a second smoke baffle plate arranged at the second air inlet.

In order to arrange the first smoke baffle and the second smoke baffle, the first smoke baffle and the first air inlet are fixedly arranged at the upper part of the first air inlet in an angle mode, and the second smoke baffle and the second air inlet are fixedly arranged at the upper part of the second air inlet in an angle mode.

In order to control the opening areas of the first air inlet and the second air inlet, the range hood further comprises an air inlet plate for controlling the opening area of the air inlet, and the air inlet plate comprises a first air inlet plate for controlling the opening area of the first air inlet and a second air inlet plate for controlling the opening area of the second air inlet.

Preferably, for the convenience of adjusting the air inlet area by the air inlet plate, the first air inlet and the second air inlet are longitudinally arranged, the first air inlet plate can be longitudinally movably arranged at the first air inlet, and the second air inlet plate can be longitudinally movably arranged at the second air inlet.

In order to realize the opening and closing of the first air inlet and the second air inlet, the first smoke baffle is movably arranged at the first air inlet so as to open or close the first air inlet, and the second smoke baffle is movably arranged at the second air inlet so as to open or close the second air inlet.

Preferably, the first smoke baffle and the second smoke baffle are rotatably connected with the smoke collecting cover.

In order to suck and discharge the oil smoke, the range hood also comprises a fan frame, the interior of the fan frame is communicated with the fluid of the smoke collection cavity, and a fan system is arranged in the fan frame.

In order to realize the longitudinal adjustment of the air inlet and improve the effect of the range hood, the smoke collecting hood can be arranged in a longitudinal moving mode relative to the fan frame.

In order to enable the negative pressure area to be close to a smoke source, reduce the escape of oil smoke and improve the effect of oil smoke absorption, the first air inlet and the second air inlet are formed in the lower end of the smoke collecting cover.

Compared with the prior art, the utility model has the advantages of: the first air inlet and the second air inlet are formed in two opposite sides of the smoke collecting cover, the smoke collecting cover is arranged between the two furnace ends, and the first air inlet and the second air inlet are arranged corresponding to the furnace ends on the corresponding sides, so that the balance of smoke suction effects on the two sides of the smoke collecting cover can be ensured; through setting up the collection petticoat pipe between two furnace ends for the collection petticoat pipe can not shelter from the sight, and can be close to the smoke source (furnace end) with the air intake and set up, thereby can promote the oil absorption cigarette effect.

Drawings

Fig. 1 is a schematic view of a range hood according to an embodiment of the present invention;

fig. 2 is a sectional view of a range hood according to a first embodiment of the present invention;

fig. 3 is a schematic view of a range hood according to an embodiment of the present invention;

fig. 4 is a sectional view of a range hood according to a second embodiment of the present invention;

fig. 5 is a schematic view of a range hood according to a third embodiment of the present invention;

fig. 6 is a sectional view of a range hood according to a third embodiment of the present invention;

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the disclosed embodiments of the invention may be oriented in different directions and the directional terms are intended to be illustrative and should not be construed as limiting, such as "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Example one

Referring to fig. 1 to 2, a range hood includes a fume collecting hood 1 and a fan frame 4 disposed above the fume collecting hood 1, and a fan system 5 is disposed inside the fan frame 4.

The smoke collecting hood 1 is a substantially rectangular parallelepiped, and extends in the longitudinal direction as a whole (the length direction of the rectangular parallelepiped is along the longitudinal direction, that is, the dimension in the longitudinal direction is larger than the dimensions in the other directions), so that the lower end of the smoke collecting hood 1 can be close to the cooking range. The fume collecting hood 1 is provided with an air inlet 11, preferably, the air inlet 11 is arranged at the lower end of the fume collecting hood 1, so that the low-suction range hood is formed. The air inlet 11 includes a first air inlet 111 and a second air inlet 112 disposed on two opposite side walls of the smoke collecting hood 1, wherein the first air inlet 111 is located on the left side of the smoke collecting hood 1, and the second air inlet 112 is located on the right side of the smoke collecting hood 1. The fume collecting hood 1 is hollow to form a fume collecting chamber 12, and the first air inlet 111 and the second air inlet 112 are in fluid communication with the fume collecting chamber 12 of the fume collecting hood 1. The interior of the blower housing 4 is also in fluid communication with the smoke collection chamber 12.

The range hood further comprises a smoke baffle 2 arranged at the air inlet 11, and the smoke baffle 2 comprises a first smoke baffle 21 arranged at the first air inlet 111 and a second smoke baffle 22 arranged at the second air inlet 112. The first smoke barrier 21 and the first air inlet 111 are fixedly arranged at the upper part of the first air inlet 111 at an angle, and the second smoke barrier 22 and the second air inlet 112 are fixedly arranged at the upper part of the second air inlet 112 at an angle. Preferably, the first air inlet 111 and the second air inlet 112 are both vertically arranged, and the first smoke baffle 21 and the second smoke baffle 22 are both horizontally arranged.

At present, generally be two furnace ends 600 that control horizontal interval and set up on the kitchen range in the family, collection petticoat pipe 1 sets up between two furnace ends 600, and is preferred, and collection petticoat pipe 1 sets up in the centre of two furnace ends 600, and first air intake 111 and second air intake 112 are towards the furnace end 600 that corresponds the side respectively to guarantee that the smoking effect of the left and right sides is balanced.

Example two

Referring to fig. 3 to 4, the present embodiment is different from the first embodiment in that: the range hood further comprises an air inlet plate 3 for controlling the opening area of the air inlet 11, and the air inlet plate 3 comprises a first air inlet plate 31 for controlling the opening area of the first air inlet 111 and a second air inlet plate 32 for controlling the opening area of the second air inlet 112. The first intake port plate 31 is longitudinally movable with respect to the first intake port 111, and the second intake port plate 32 is longitudinally movable with respect to the second intake port 112. The movement of the air inlet plate 3 can be realized by a common linear driving module, such as a structure combining a motor and a gear rack or a combined structure of the motor, a screw nut and a guide rail.

The first air inlet plate 31 and the second air inlet plate 32 are independently controllable. The control mode can also be considered as control, and the opening and closing areas of the first air inlet 111 and the second air inlet 112 can also be respectively and automatically controlled according to the sizes of the smoke at the left side and the right side.

Specifically, the control method may have the following modes:

1) smoke sensors may be installed on both left and right sides of the smoke collecting cover 1, and the smoke sensors detect which side has smoke, and open the first air inlet plate 31 or the second air inlet plate 32 on the corresponding side. When the smoke sensors on the left and right sides detect smoke, the first air inlet plate 31 and the second air inlet plate 32 are both opened.

2) The infrared temperature sensors for detecting the temperature of the burner 600 on the corresponding side can be respectively installed on the left side and the right side of the smoke collecting hood 1, when the infrared temperature sensors detect that the temperature rises on the corresponding side, it is indicated that the burner 600 on the corresponding side is working, and the first air inlet plate 31 or the second air inlet plate 32 on the corresponding side is opened. When the infrared temperature sensor detects that both sides all have a temperature rise, then first air inlet plate 31 and second air inlet plate 32 are all opened.

3) The range hood is linked with the kitchen range, the knob of the kitchen range is ignited, the range hood receives the corresponding position signal of the burner 600, the range hood works, and the first air inlet plate 31 or the second air inlet plate 32 on the corresponding side is opened. When the left and right stove knobs are both ignited, the first air inlet plate 31 and the second air inlet plate 32 are both opened.

When the two burners 600 are operated simultaneously, the firepower selected according to the sizes of the smoke on the two sides/the knobs is different, and the opening degrees of the two sides are different. If the left side (smoke concentration or fire gear) is less than or equal to 1/3 and the right side (smoke concentration or fire gear), the second air inlet plate 32 on the right side moves up to the highest position, the second air inlet 112 is opened maximally, and the first air inlet 111 on the left side is opened 1/3. If 1/3 right side (smoke concentration or fire gear) < left side (smoke concentration or fire gear) ≦ 2/3 right side (smoke concentration or fire gear), then the right second air inlet 112 is opened maximally, and the left first air inlet 111 is opened 2/3. When the left side (smoke concentration or firepower gear) is more than 2/3 and the right side (smoke concentration or firepower gear) is more than 2/3, the air inlets on the left side and the right side are opened maximally.

EXAMPLE III

Referring to fig. 5 to 6, the first smoke barrier 21 is disposed at the first air inlet 111 in an inverted manner to open and close the first air inlet 111, and the second smoke barrier 22 is disposed at the second air inlet 112 in an inverted manner to open and close the second air inlet 112.

The control method of the embodiment can have the following modes:

1) smoke sensors can be respectively installed on the left side and the right side of the smoke collecting cover 1, and the smoke sensors detect smoke on which side, so that the first smoke baffle plate 21 or the second smoke baffle plate 22 on the corresponding side is opened. When the smoke sensors on the left and right sides detect smoke, the first smoke barrier 21 and the second smoke barrier 22 are opened.

2) The infrared temperature sensors for detecting the temperature of the furnace end 600 on the corresponding side can be respectively installed on the left side and the right side of the smoke collecting cover 1, when the infrared temperature sensors detect that the temperature rise exists on the corresponding side, it is indicated that the furnace end 600 on the corresponding side works, and then the first smoke baffle 21 or the second smoke baffle 22 on the corresponding side is opened. When the infrared temperature sensor detects that the left side and the right side both have temperature rises, the first smoke baffle 21 and the second smoke baffle 22 are both opened.

3) The range hood is linked with the kitchen range, the knob of the kitchen range is ignited, the range hood receives the corresponding position signal of the burner 600, the range hood works, and the first smoke baffle 21 or the second smoke baffle 22 on the corresponding side is opened. When the left and right stove knobs are both ignited, the first smoke baffle 21 and the second smoke baffle 22 are both opened.

On the basis of the third embodiment, the smoke collecting cover 1 can move longitudinally relative to the fan frame 4, so that the first air inlet 111 and the second air inlet 112 can be adjusted to the optimal height according to the height of the smoke source, and the smoke suction effect is improved.

The lifting control method of the fume collecting hood 1 comprises the following steps:

1) the range hood is linked with the kitchen range, the knob of the kitchen range is ignited, the range hood receives the working signal of the kitchen range to enable the smoke collecting hood 1 to descend, then the first smoke baffle 21 or the second smoke baffle 22 on the corresponding side is turned over and opened according to the corresponding knob position signal, the kitchen range works, and the range hood works.

2) When the stove is flamed out, the fan system 5 of the range hood stops working, the smoke baffle 2 is recovered to be in a closed state, and the smoke collecting hood 1 rises.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion), i.e., a fluid (gas, liquid or a mixture of both) can flow along a flow path from the first portion or/and be transported to the second portion, and may be directly communicated between the first portion and the second portion, or indirectly communicated between the first portion and the second portion via at least one third member, which may be a fluid passage such as a pipe, a channel, a duct, a flow guide, a hole, a groove, or a chamber allowing the fluid to flow therethrough, or a combination thereof.

Claims

1. The utility model provides a range hood, includes collection petticoat pipe (1), air intake (11) have been seted up on collection petticoat pipe (1), form collection smoke chamber (12) in collection petticoat pipe (1), fluid intercommunication, its characterized in that in air intake (11) and collection smoke chamber (12): the exhaust fume collecting hood (1) extends in the longitudinal direction, and the air inlet (11) comprises a first air inlet (111) and a second air inlet (112) which are arranged on two opposite side walls of the exhaust fume collecting hood (1).

2. The range hood of claim 1, wherein: the range hood further comprises a smoke baffle (2) arranged at the air inlet (11), and the smoke baffle (2) comprises a first smoke baffle (21) arranged at the first air inlet (111) and a second smoke baffle (22) arranged at the second air inlet (112).

3. The range hood of claim 2, wherein: the first smoke baffle (21) and the first air inlet (111) are fixedly arranged at the upper part of the first air inlet (111) in an angle mode, and the second smoke baffle (22) and the second air inlet (112) are fixedly arranged at the upper part of the second air inlet (112) in an angle mode.

4. The range hood of claim 3, wherein: the range hood further comprises an air inlet plate (3) used for controlling the opening area of the air inlet (11), and the air inlet plate (3) comprises a first air inlet plate (31) used for controlling the opening area of the first air inlet (111) and a second air inlet plate (32) used for controlling the opening area of the second air inlet (112).

5. The range hood of claim 4, wherein: the first air inlet (111) and the second air inlet (112) are arranged longitudinally, the first air inlet plate (31) is arranged at the first air inlet (111) in a longitudinally movable mode, and the second air inlet plate (32) is arranged at the second air inlet (112) in a longitudinally movable mode.

6. The range hood of claim 2, wherein: the first smoke baffle (21) is movably arranged at the first air inlet (111) so as to open or close the first air inlet (111), and the second smoke baffle (22) is movably arranged at the second air inlet (112) so as to open or close the second air inlet (112).

7. The range hood of claim 6, wherein: the first smoke baffle (21) and the second smoke baffle (22) are rotatably connected with the smoke collecting hood (1).

8. The range hood according to any one of claims 1 to 7, wherein: the range hood further comprises a fan frame (4) with the interior communicated with the smoke collection cavity (12) in a fluid mode, and a fan system (5) is arranged in the fan frame (4).

9. The range hood of claim 8, wherein: the smoke collecting hood (1) can be arranged in a longitudinally movable mode relative to the fan frame (4).

10. The range hood according to any one of claims 1 to 7, wherein: the first air inlet (111) and the second air inlet (112) are formed in the lower end of the smoke collecting hood (1).