JPH10141724A - Filter cleaning device in range hood - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent cleaning liquid from entering an inner side of a blower. SOLUTION: An inner side of a hood member 1 is divided by a filter 11 into a suction side 12 and a discharging side 13. A blower 14 is arranged at the discharging side 13. Cleaning liquid is fed along the filter 11 so as to clean the filter 11. A cleaning liquid receiving pan 30 is arranged at a lower part of the filter 11. To the discharging section 13 of the hood member 1 are fixed a first water-preventing plate 20 and a second water-preventing plate 23. Cleaning liquid sucked at the discharging section 13 strikes against the first and second water-preventing plates 20 and 23 and drops onto the cleaning liquid receiving pan 30 so as to prevent the cleaning liquid from entering into the blower 14.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for cleaning a filter in a range hood which collects smoke, steam, odor, oil and the like generated during cooking and discharges it to the outside.

[0002]

2. Description of the Related Art Conventionally known range hoods have a filter mounted inside a hood body, a suction part and a discharge part formed inside the hood body with the filter as a boundary, and an exhaust fan at the discharge part. Is attached.

[0003] In this range hood, by driving an exhaust fan, air can be sucked from a suction portion, the sucked air can be sucked into a discharge portion through a filter, and can be discharged to the outside through an exhaust duct and the like. Also,
Oil and water vapor in the sucked air can be collected by the filter, and the amount of oil and water vapor in the air flowing through the discharge duct is significantly reduced.Therefore, oil and water vapor may condense in the discharge duct and flow out of the discharge duct. Absent.

In the above-described range hood, oil and the like adhere to the filter, and when used for a long time, the adhered oil drips from the filter, and contaminates the lower part of the range hood, for example, the range, or in a cooking pot. Will fall. To prevent this, the filter may be periodically cleaned.

However, since the filter is mounted inside the hood, and the hood is mounted above the range, it is easy to forget to clean it. However, dirt is stuck to the filter, and cleaning the filter is very troublesome.

Accordingly, the applicant has first provided a filter cleaning device for cleaning a filter by flowing a cleaning liquid along the filter in a range hood in which the inside of the hood is divided into a suction portion and a discharge portion by a vertical filter. Filed.

[0007]

In such a filter cleaning device, since the air in the suction portion is sucked through the filter by the blower provided in the discharge portion, the cleaning liquid flowing down along the filter is sucked into the discharge portion together with the air. May get into the blower.

When the cleaning liquid enters the blower, the cleaning liquid is discharged to a discharge duct and leaks from a joint of the discharge duct, or adheres to the blower to cause a decrease in durability. It is not preferable because the washed washing liquid flows along the hood body, infiltrates the electric parts, or flows down to the cooking table.

Accordingly, an object of the present invention is to provide a filter cleaning device for a range hood which can solve the above-mentioned problems.

[0010]

According to a first aspect of the present invention, a suction unit 12 and a discharge unit 13 are provided inside a hood 1 by a filter 11.
A range hood provided with a blower 14 at the discharge unit 13, a means for supplying a cleaning solution to the upper part of the filter 11, a cleaning solution receiving tray 30 for receiving the cleaning solution flowing down along the filter 11, A filter for cleaning a range hood, wherein a waterproof plate is provided closer to the filter 11 than the blower 14 in the discharge section 13 and the cleaning liquid sucked by the discharge section 13 collides and drops to the cleaning liquid receiving tray 30. Device.

According to a second aspect of the present invention, in the first aspect, a cleaning liquid gutter 33 provided above the filter 11, a cleaning liquid tank 31 into which the cleaning liquid in the cleaning liquid receiving tray 30 is dropped and supplied, and a cleaning liquid in the cleaning liquid tank 31 2. A filter cleaning device for a range hood according to claim 1, wherein said cleaning liquid is supplied to a cleaning liquid gutter 33 by a cleaning liquid supply pump 35, and said cleaning liquid is supplied to said cleaning liquid fall supply means.

[0012]

According to the first aspect of the present invention, smoke, steam, odor, oil and the like attached to the filter 11 can be cleaned by flowing the cleaning liquid along the filter 11.

When the cleaning fluid flowing along the filter 11 or the cleaning fluid adhering to the filter 11 is sucked into the discharge unit 13 by driving the blower 14, the cleaning fluid collides with the waterproof plate and falls into the cleaning fluid receiving tray 30. I do.

As a result, the cleaning liquid sucked into the discharge section 13 does not enter the inside of the blower 14, so that the cleaning liquid does not accumulate inside the blower 14 and cause a decrease in durability, and does not leak from the joint of the discharge duct. There is no. Also,
The cleaning liquid flowing along the hood body 1 does not enter the electric components, and does not drop onto the worktop.

According to the second aspect of the present invention, the cleaning liquid that has flowed down along the filter 11 and the cleaning liquid that has been sucked into the discharge unit 13 can be recovered and reused in the cleaning liquid tank 31.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a hood 1 has a rear hood 2 and a front hood 3. The rear hood body 2 includes a pair of side plates 5 and a top plate 6 that face the rear plate 4.
It has a box-like shape with the lower part and the front part opened. The front hood body 3 includes a front plate 7 and a pair of opposed side plates 8.
And a top plate 9 to form a box having a lower portion and a rear portion opened.

The rear hood 2 and the front hood 3 are connected to form a hood 1. The hood body 1 has a box shape with an open lower part.

A partition plate 10 is mounted between lower portions of the pair of side plates 5 of the rear hood body 2. This partition plate 10
A filter 11 is attached vertically between the top plate 6 and the top plate 6. The inside of the hood body 1 is divided into a suction part 12 and a discharge part 13 which are opened at a lower part with a filter 11 as a boundary. The filter 11 has a plurality of plate-shaped and slit-shaped openings spaced apart in the vertical and horizontal directions.

A blower 14 is provided in the discharge section 13. The blower 14 has a fan 1 in a fan case 15.
The fan 16 is driven by an electric motor 17.

As described above, when the fan 16 is rotated by the electric motor 17, air is sucked from the suction portion 12. The sucked air flows into the discharge unit 13 through the filter 11. The air that has flowed into the discharge unit 13 is sucked into the fan case 15 from the inlet 18 of the fan case 15 and is discharged from the discharge port 19 to the discharge duct.

A first waterproof plate 20 is attached to the side of the inlet 18 of the fan case 15. The first waterproof plate 20 contacts the side plate 5 and the top plate 6 as shown in FIG.
A hole 21 that faces the partition plate 10 with a slight gap and faces the entrance 18 is formed.

A second waterproof plate 23 is attached to the first waterproof plate 20 via a stay 22. This second waterproof plate 23
Has the same shape as the inlet 18, is slightly larger than the inlet 18, and forms an air path 24 between the first waterproof plate 20 and the second waterproof plate 23 facing the inlet 18 with a space therebetween.

A washing liquid receiving tray 30 is mounted on the partition plate 10. The cleaning liquid tray 30 has a length extending between the left and right side plates 5, and the first waterproof plate 2 is provided in the cleaning liquid tray 30.
The lower part of 0 is projected.

A cleaning liquid tank 31 is attached to the lower surface of the partition plate 10, and a cleaning liquid in a cleaning liquid receiving tray 30 is supplied to an outlet 32.
And falls into the cleaning liquid tank 31.

A cleaning liquid gutter 33 is attached to the top plate 6. The filter 11 is attached between the cleaning liquid gutter 33 and the cleaning liquid receiving tray 30. Cleaning liquid supply pump 3 driven by an electric pump 34 provided on the inner surface of the partition plate 10
5 are provided. The cleaning liquid supply pump 35 sucks the cleaning liquid in the cleaning liquid tank 31 and discharges it to the cleaning liquid supply pipe 36.

The cleaning liquid is supplied to the cleaning liquid gutter 33 by the cleaning liquid supply pipe 36, and the cleaning liquid in the cleaning liquid gutter 33 flows down the supply hole 37 over the entire length of the filter 11 in the longitudinal direction.

Thus, when the cleaning liquid flows along the filter 11 while the fan 16 of the blower 14 is rotating, the cleaning liquid is sucked into the discharge unit 13 through the slit-shaped opening of the filter 11. This discharge unit 1
The cleaning liquid sucked by the nozzle 3 collides with the second waterproof plate 23,
It flows along the waterproof plate 23 and falls into the washing liquid receiving tray 30.

The cleaning liquid that has not collided with the second waterproof plate 23 collides with the first waterproof plate 20, flows along the first waterproof plate 20, and falls on the cleaning liquid receiving tray 30.

Therefore, the cleaning liquid sucked into the discharge portion 13 does not enter the fan case 15, and the entire amount falls into the cleaning liquid receiving tray 30, is collected in the cleaning liquid tank 31, and is reused.

As described above, since the cleaning liquid does not enter the fan case 15, the cleaning liquid does not accumulate inside the fan case 15 and cause a decrease in durability. Does not leak from the joint of the discharge duct.

Further, since the cleaning liquid falls into the cleaning liquid receiving tray 30, it does not flow along the hood and does not flow down to the cooking table, nor does it penetrate into electric parts.

FIG. 3 shows a second embodiment of the present invention.
The second waterproof plate 23 is attached to the top plate 6.

In order to clean the filter 11, the electric motor 34 may be driven while the blower 14 is being driven so that the cleaning liquid flows along the filter 11, or the electric motor 17 of the blower 14 may be energized. The electric motor 34 may be driven after a lapse of a set time from the stop to cause the cleaning liquid to flow along the filter 11.

In any case, when the blower 14 is driven with the cleaning liquid attached to the filter 11, the cleaning liquid attached to the filter 11 is sucked into the discharge unit 13. , 23 to prevent the cleaning liquid from entering the fan case 15.

[0035]

According to the first aspect of the present invention, smoke, steam, odor, oil and the like attached to the filter 11 can be cleaned by flowing the cleaning liquid along the filter 11.

When the cleaning liquid flowing along the filter 11 or the cleaning liquid adhering to the filter 11 is sucked into the discharge unit 13 by driving the blower 14, the cleaning liquid collides with the waterproof plate and falls into the cleaning liquid receiving tray 30. I do.

As a result, the cleaning liquid sucked into the discharge section 13 does not enter the inside of the blower 14, so that the cleaning liquid does not accumulate inside the blower 14 and cause a decrease in durability. There is no leakage. Further, since the cleaning liquid sucked into the discharge unit 13 is stored in the cleaning liquid receiving tray 30, it flows along the hood body 1 and does not enter the electric parts, and does not drop on the cooking table.

According to the second aspect of the present invention, the cleaning liquid that has flowed down along the filter 11 and the cleaning liquid that has been sucked into the discharge unit 13 can be recovered and reused in the cleaning liquid tank 31.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a first embodiment of the present invention.

FIG. 2 is a perspective view of a waterproof plate mounting portion.

FIG. 3 is a longitudinal sectional view showing a second embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Hood body, 11 ... Filter, 12 ... Suction part, 13
... discharge unit, 14 ... blower, 20 ... first waterproof plate, 23 ... second waterproof plate, 30 ... washing liquid receiving tray, 31 ... washing liquid tank, 33
... cleaning liquid gutter, 35 ... cleaning liquid supply pump.

Claims (2)

[Claims] 1. A range hood in which the inside of a hood body 1 is divided into a suction part 12 and a discharge part 13 by a filter 11, and a blower 14 is provided in a discharge part 13. The washing liquid receiving tray 30 that receives the washing liquid that has flowed down along the filter 11 and the washing liquid that is provided closer to the filter 11 than the blower 14 in the outlet 13 of the hood body 1 and that is sucked into the outlet 13 collide with the washing liquid. A filter cleaning device for a range hood, wherein a waterproof plate that falls on a tray 30 is provided. 2. A cleaning liquid gutter 33 provided at an upper portion of the filter 11, a cleaning liquid tank 31 into which the cleaning liquid in the cleaning liquid receiving tray 30 is dropped and supplied, and a cleaning liquid supply pump for pumping the cleaning liquid in the cleaning liquid tank 31 to the cleaning liquid gutter 33. 3. The filter cleaning device for a range hood according to claim 1, wherein the cleaning liquid is supplied by a cleaning liquid drop supplying means.