CN210861265U

CN210861265U - Fume exhaust fan

Info

Publication number: CN210861265U
Application number: CN201921395148.4U
Authority: CN
Inventors: 张鲁涛
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-06-26
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses a range hood, including casing (1), panel (2) of setting in casing (1) front side, air intake (21) have been seted up on panel (2), air intake (21) department still is provided with adjusting device (4) that can control air inlet region and air inlet area, its characterized in that: the adjusting device (4) comprises moving plates (42) which are respectively distributed at the left side and the right side of the air inlet (21) and can independently move in the left-right direction, and each moving plate (42) gradually inclines backwards and extends from one side far away from each other to one side close to each other. Compared with the prior art, the utility model has the advantages of: the movable plate can be driven to move according to the oil smoke concentrations on the left side and the right side of the kitchen range to control the air inlet area and the air inlet area of the air inlet, the oil smoke absorption performance of the range hood is exerted to the maximum extent, the oil smoke leakage phenomenon is prevented, and the oil smoke absorption efficiency is high.

Description

Fume exhaust fan

Technical Field

The utility model belongs to the technical field of kitchen appliances and specifically relates to a range hood.

Background

The range hood has become one of the indispensable kitchen household electrical appliances in modern families. The side-draft range hood absorbs most of oil smoke close to a cooking bench in an arc form by using a vortex air pressure principle, so that adverse effects on human health can be reduced, and the suction effect of a power source is basically not reduced because the power source is close to the cooking bench.

The utility model discloses a formula range hood is inhaled to side as application number 201821646604.3's china utility model discloses a formula range hood is inhaled to side, the formula range hood is inhaled to side includes the casing, the fan with hold together the cigarette board, the side shape of casing is close trapezoidal for invering, the front panel of casing is bent after by last vertical extension and is set up to the slope, be equipped with the air-inlet grid on the slope portion of front panel, the air-inlet grid has a plurality of fresh air inlets, the top of casing is equipped with the air outlet, the fan is established in the casing, the suction inlet of fan sets up towards the front panel, the export of fan links to each other with the air outlet, hold together the cigarette board and connect on the front panel, the junction that holds together cigarette.

Because the air inlet area and the air inlet area of the range hood are fixed, a user can generate more oil smoke when cooking and stir-frying, and the oil smoke can possibly escape. Especially, when the difference of the oil smoke pollutant discharge amount among various cooking utensils is large, the oil smoke escape phenomenon is easy to cause.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, a can adjust range hood of the air inlet region and the air inlet area of air intake is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a range hood, includes the casing, sets up the panel in the casing front side, the air intake has been seted up on the panel, air intake department still is provided with the adjusting device that can control air inlet region and air inlet area, its characterized in that: the adjusting device comprises moving plates which are respectively distributed on the left side and the right side of the air inlet and can independently move in the left-right direction, and each moving plate gradually inclines backwards and extends from one side far away from each other to one side close to each other.

In order to facilitate the range hood to suck away the oil smoke, the adjusting device can also comprise fixed plates respectively distributed at the left side and the right side of the air inlet, each movable plate can be movably arranged at the front side of the corresponding fixed plate, and the fixed plates can incline in the same direction with the corresponding movable plates.

In order to fix the moving plates, flanges with downward openings and upward and opposite bent flanges with upward openings are respectively formed at the upper end and the lower end of the front side of each fixed plate, and the upper end and the lower end of each moving plate can be clamped in the corresponding flanges.

In order to drive the movement of the moving plates, the adjustment means may also comprise drive means for driving the movement of the respective moving plates.

In order to detect the concentration of the oil smoke and control the driving device, a smoke detector capable of detecting the concentration of the oil smoke and controlling the driving device may be provided at the front side of each moving plate.

In order to facilitate the range hood to suck away the oil smoke, the inclination angle of each moving plate relative to the panel is α, which is in the range of 3 degrees < α <45 degrees.

In order to ensure that the movable plate moves, the initial position of the movable plate at the air inlet is certain in oil smoke suction capacity of the movable plate after moving to the section of the movable plate after moving, the air inlet is provided with an oil filter screen plate, the movable plate is arranged on the front side of the oil filter screen plate, a plurality of grid meshes arranged in parallel in the left-right direction of the oil filter screen plate are arranged on the oil filter screen plate, at least one through hole can be opened at the position, corresponding to the grid meshes, on the movable plate, and the size of the through hole in the left-right direction is smaller than the width of.

In order to ensure that the oil fume suction performance of the range hood is not influenced when the moving plate is not moved at the initial position. The fan is arranged in the shell, an air inlet ring is arranged at the position of an air inlet of the fan, one end, close to each other, of each moving plate is in a circular arc shape protruding towards one end, far away from each other, and the diameter of the arc-shaped end of each moving plate is not smaller than that of the air inlet ring.

In order to ensure the oil smoke absorbing capacity of the opposite side and prevent the oil smoke from escaping under the condition of improving the oil smoke absorbing capacity of the left side or the right side, the fan can comprise an impeller, and the maximum moving distance of the moving plate can be one third of the diameter of the impeller.

In order to improve the rigidity and the oil fume suction capability of the moving plate, the moving plate is provided with at least one profiling which is sunken towards the inner part of the shell.

Compared with the prior art, the utility model has the advantages of: the air inlet area and the air inlet area of the air inlet are controlled by the movement of the moving plate; the fixed plate and the movable plate are gradually inclined backwards and extend from one side far away from each other to one side close to each other, so that the range hood is more beneficial to sucking away oil smoke; the driving device and the smoke detector capable of detecting the oil smoke concentration and controlling the driving device are arranged on the moving plate, so that the moving plate is driven to move according to the oil smoke concentrations on two sides to control the air inlet area and the air inlet area of the air inlet, the oil smoke absorption performance of the range hood is exerted to the maximum extent, the oil smoke leakage phenomenon is prevented, and the oil smoke absorption efficiency is high.

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 the range hood according to the embodiment of the present invention;

fig. 3 is an exploded view of a fixed plate and a movable plate of the range hood according to the embodiment of the present invention;

fig. 4 is a schematic view of a fixed plate, a movable plate and an oil filter screen plate of the range hood according to the embodiment of the present invention.

Detailed Description

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

For convenience of description, in this specification, "front", "rear", "left", "right", "up" and "down" refer to directions of the extractor hood relative to a user when in use.

Referring to fig. 1 and 4, a range hood is a side-draft range hood, and includes a housing 1 and a panel 2 disposed at the front side of the housing 1, wherein an air inlet 21 is disposed on the panel 2. The panel 2 is inclined gradually backward from the top to the bottom.

The air inlet 21 is also provided with an adjusting device 4 capable of controlling an air inlet area and an air inlet area, the adjusting device 4 comprises fixed plates 41 respectively distributed on the left side and the right side of the air inlet 21 and moving plates 42 movably arranged on the front sides of the corresponding fixed plates 41, each moving plate 42 can independently move in the left-right direction, the moving plates 42 gradually extend backwards (in the shell 1) in an inclined mode from one side far away from each other to one side close to each other, and each fixed plate 41 and the corresponding moving plate 42 incline in the same direction, referring to fig. 3, the range of the inclination angle of the moving plate 42 relative to the panel 2 (the inclination angle of the moving plate 42 relative to the panel 2 is the same as the inclination angle relative to the oil filter screen 3 described below) is 3 degrees < α <45 degrees, preferably, the inclination angle of the moving plate α is 8 degrees, and the inclination of the moving plate 42 is more beneficial.

Referring to fig. 1 and 2, an oil filter screen plate 3 is disposed at the air inlet 21, and a fixed plate and a movable plate 42 are disposed at the front side of the oil filter screen plate 3. The oil filter screen plate 3 is provided with a plurality of grid meshes 31 which are arranged in parallel along the left and right direction of the oil filter screen plate 3, the movable plate 42 is provided with at least one through hole 421 corresponding to the grid meshes 31, and the size of the through hole 421 in the left and right direction is smaller than the width of the grid meshes 31 in the left and right direction. The through holes 421 are preferably circular, nine regularly and uniformly distributed, and have a diameter of half of the grid mesh 31. So that when the oil smoke pollutants of the two cooking ranges are inconsistent and the moving plate 42 moves leftwards or rightwards, the oil smoke absorbing capacity of the area from the initial position of the moving plate 42 at the air inlet 21 to the moved section is ensured, and the oil smoke is prevented from escaping.

A fan 6 is arranged in the shell 1, and an air inlet ring 61 is arranged at an air inlet of the fan 6. One end of each moving plate 42 close to each other is in the shape of an arc protruding to one end far away from each other, the diameter of the arc end of the moving plate 42 is not smaller than the diameter of the air inlet ring 61, and preferably, the diameter of the arc end of the moving plate 42 is equal to the diameter of the air inlet ring 61. Therefore, the oil fume suction performance of the range hood is not influenced when the movable plate 42 is not moved at the initial position.

The fan 6 further comprises an impeller 62, the maximum moving distance of the moving plate 42 is one third of the diameter of the impeller 62, and under the condition that the left side or right side oil smoke extraction capacity is improved, the oil smoke absorption capacity of the opposite side can be guaranteed, and oil smoke is prevented from escaping.

Referring to fig. 3, flange bends 411 having downward openings and upward openings are formed at upper and lower ends of the front side of each fixed plate 41, respectively, and upper and lower ends of each moving plate 42 are engaged with the corresponding flange bends 411, so that the moving plate 42 can be conveniently disposed and the moving plate 42 is prevented from being forwardly separated from the fixed plate 41.

The moving plate 42 has at least one profiling 422 recessed towards the filter screen plate 3 (inside the housing 1). In this embodiment, two profiling molds are provided, both of which are located on one side of the arc-shaped end portion of the moving plate 42, and the depth of the profiling mold is 2mm, so that the rigidity of the moving plate 42 is improved, and the oil smoke suction capability can be enhanced.

Referring again to fig. 1 and 2, the adjustment device 4 further comprises a drive device 43 for driving the movement of the respective moving plate 42. A smoke detector 5 capable of detecting the concentration of smoke and controlling the driving device 43 is provided on the front side of each moving plate 42. The smoke detector 5 is arranged near the edge of the moving plate 42 at a distance from each other, preferably around 30mm from the edge, and has a sensitivity in the range of 0.09 DB/M to 0.16 DB/M.

When the smoke detector 5 on one of the left side and the right side detects that the smoke concentration reaches or exceeds the highest value of the sensitivity range, the driving device 43 is started to drive the two moving plates 42 to move leftwards or rightwards simultaneously, and the movement is stopped until the smoke concentration detected by the smoke detector 5 on the side is lower than the lowest value of the sensitivity range or moves to the outermost side; when the smoke detectors 5 on the left and right sides detect that the smoke concentration reaches or exceeds the highest value of the sensitivity range, the driving device 43 is started, the corresponding driving device 43 drives the left and right moving plates 42 to move towards two sides respectively, and the movement is stopped until the smoke detectors 5 detect that the smoke concentration is lower than the lowest value of the sensitivity range or moves to the outermost side.

The adjusting device 4 can adjust the air inlet area and the air inlet area of the air inlet 21 by moving the movable plate 42 according to the discharge amount of the oil smoke pollutants or the inconsistent discharge amount of the oil smoke pollutants of the multiple cooking ranges, so that the oil smoke absorption performance of the range hood can be furthest exerted, the oil smoke leakage phenomenon is prevented, and the oil smoke absorption efficiency is high.

Claims

1. The utility model provides a range hood, includes casing (1), sets up panel (2) in casing (1) front side, air intake (21) have been seted up on panel (2), air intake (21) department still is provided with adjusting device (4) that can control the regional and air inlet area of air inlet, its characterized in that: the adjusting device (4) comprises moving plates (42) which are respectively distributed at the left side and the right side of the air inlet (21) and can independently move in the left-right direction, and each moving plate (42) gradually inclines backwards and extends from one side far away from each other to one side close to each other.

2. The range hood of claim 1, wherein: the adjusting device (4) further comprises fixed plates (41) respectively distributed on the left side and the right side of the air inlet (21), each moving plate (42) is movably arranged on the front side of the corresponding fixed plate (41), and the fixed plates (41) and the corresponding moving plates (42) incline in the same direction.

3. The range hood of claim 2, wherein: the upper end and the lower end of the front side of each fixed plate (41) are respectively provided with a flange bend (411) with a downward opening and an upward opening which are bent oppositely, and the upper end and the lower end of each moving plate (42) are clamped in the corresponding flange bends (411).

4. The range hood of claim 1, wherein: the adjusting device (4) further comprises a driving device (43) for driving the corresponding moving plate (42) to move.

5. The range hood of claim 4, wherein: a smoke detector (5) capable of detecting the concentration of smoke and controlling the driving device (43) is arranged on the front side of each moving plate (42).

6. The range hood according to any one of claims 1 to 5, wherein the inclination angle of each moving plate (42) relative to the panel (2) is α, which is in the range of 3 ° < α <45 °.

7. The range hood according to any one of claims 1 to 5, wherein: air intake (21) department is provided with oil filter screen plate (3), movable plate (42) set up in oil filter screen plate (3) front side, set up a plurality of grid mesh (31) that arrange side by side on the oil filter screen plate (3) left and right sides, at least one through-hole (421) have been seted up to corresponding grid mesh (31) department on movable plate (42), through-hole (421) are less than grid mesh (31) width on the left and right sides in the ascending size of left and right sides.

8. The range hood according to any one of claims 1 to 5, wherein: the fan-type air conditioner is characterized in that a fan (6) is arranged in the shell (1), an air inlet ring (61) is arranged at an air inlet of the fan (6), one end, close to each other, of each moving plate (42) is in the shape of a circular arc protruding towards one end, far away from each other, and the diameter of the arc-shaped end portion of each moving plate (42) is not smaller than that of the air inlet ring (61).

9. The range hood of claim 8, wherein: the fan (6) comprises an impeller (62), and the maximum moving distance of the moving plate (42) is one third of the diameter of the impeller (62).

10. The range hood according to any one of claims 1 to 5, wherein: the moving plate (42) is provided with at least one profiling (422) which is sunken towards the inner part of the shell (1).