JP2007162979A - Range hood - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce a workload to clean a filter and the back side of a straightening vane which are greasy with lamp black and the like. <P>SOLUTION: The range hood includes a hood 2 provided above or around a cooking apparatus with a suction port 1, a discharge port 4 communicating with outdoor and an exhaust fan 5 in the hood 2, a filter 10 for connecting a driving means 9 with a front of an air blow casing 6 provided in an air flow passage 7 for making the suction port 1 communicate with the discharge port 4 via the exhaust fan 5, a cleaning casing 11 for enclosing the filter 10, a water spray means 15 for supplying water from near the center of the filter 10, a recovering means 16 of dirty water scattered in the cleaning casing 11 and a straightening vane 8 provided near the suction port 1 at a position to face against the filter 10. Thus, in the range hood, dirt can be removed from the filter 10 and the back side of the straightening vane 8 without detaching respective parts. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to removing dirt from a filter attached to a range hood.

  Conventionally, a filter or a baffle plate or the like has been attached to a range hood for the purpose of collecting oily smoke or dust generated by cooking. Since the filter and the baffle plate are contaminated with use, the performance deteriorates and oil dripping occurs from the collecting portion, so it is necessary to perform regular cleaning.

  Further, as a means for automatically purifying the filter for the purpose of reducing the labor of cleaning, there is a method of removing dirt by centrifugal force by attaching a driving means to the filter and rotating it (for example, Patent Document 1). reference).

  Hereinafter, the exhaust device will be described with reference to FIG.

As shown in FIG. 5, the dirty air 101 passes through the suction port 102, passes through the filter 104 disposed in front of the exhaust fan 103, and the driving device 105 that rotates the filter 104 and the filter 104 become dirty. The sensor 106 for detecting the contamination of the filter 104 is detected, the filter 104 is rotated by the driving device 105, and the contamination is removed by centrifugal force.
Japanese Patent Laid-Open No. 3-16439 (page 3, FIG. 1)

  In such a conventional range hood, when it is dried with dirt such as oil adhering to the filter, it is difficult to remove it sufficiently only by centrifugal force, and the filter gradually becomes clogged, and the performance decreases. There was a problem.

  In addition, there is no effective removal means particularly in the vicinity of the suction port, and there is a problem that dirt accumulates and oil dripping occurs.

  The present invention solves such a conventional problem, and can remove dirt such as oil and dust adhering to the vicinity of the filter and the suction port without removing the filter and without trouble. The purpose is to provide.

  In order to achieve the above object, the range hood of the present invention is installed above or around a cooker, and has a flat rectifying plate provided around the suction port for sucking contaminated air, and a discharge port communicating with the outdoors. A hood provided with a ventilation passage in communication with an air blowing casing containing an exhaust fan for exhaust air blowing, a filter that is rotated by driving means on the downstream side of the suction port, a clean casing that surrounds the filter, and a filter It has a sprinkling means for supplying water from the vicinity of the center and a collecting means for collecting sewage scattered in the clean casing, and the filter is disposed at a position facing the rectifying plate.

  By this means, it is possible to remove the dirt on the front and back of the filter and the dirt on the back of the rectifying plate near the suction port without removing the filter and cleaning it. Can efficiently collect oily smoke and dust.

  The other means is such that the rectifying plate or the filter and the driving means come close to each other and can move so as to maintain a certain distance.

  By this means, dirt on the back side of the current plate, which is usually difficult to clean, can be efficiently removed in a short time simultaneously with the filter.

  In another means, a plate-shaped water conditioning plate is embedded inside the current plate, and the water conditioning plate is movable so as to be close to the filter and maintain a certain distance.

  By this means, using a simple moving device, it is possible to prevent the dirt from adhering to the back side of the filter and the current plate, and to clean the dirt via the water regulating plate.

  Another means is that the rectifying plate moves up and down so that the ventilation path can be switched between a closed state and an open state.

  By this means, it is possible to prevent water leakage that occurs when the filter and the back side of the current plate are cleaned, or to block water collision noise and filter rotation noise.

  According to the present invention, since the rectifying plate is disposed at a position opposite to the filter, when cleaning the filter, the supplied water is reflected on the rectifying plate, and the filter is moved back and forth to be cleaned, near the suction port. It is possible to provide a range hood that can easily remove the dirt on the back side of the current plate that has been positioned and can reduce the time and effort of cleaning.

  In addition, the other means is that the rectifying plate or the filter and the driving means approach and can move while maintaining a certain distance, so the distance between the watering means and the rectifying plate is relatively reduced, and is supplied from the watering means. After the filter is cleaned, the water immediately collides with the rectifying plate while keeping the momentum of the water, and the dirt is washed away, so that a range hood that can efficiently clean the back side of the filter and the rectifying plate can be provided in a short time. .

  Another means is that the water conditioning plate is embedded in the back side of the current plate, and the water is attached to the water surface of the water conditioning plate so that it is cleaned when the filter is cleaned. It is possible to provide a range hood capable of preventing the adhesion of dirt and purifying the dirt via a water conditioning plate.

  Another means is to close the ventilation path when the filter is cleaned by moving the baffle plate up and down so that the ventilation path can be switched between the closed state and the open state. It is possible to provide a range hood that can prevent water collision noise and filter rotation noise.

  A range hood according to claim 1 of the present invention is installed above or around a cooker, and has a flat rectifying plate provided around the suction port for sucking contaminated air, a discharge port communicating with the outdoors, and an exhaust fan. A hood having a ventilation passage in communication with a blower casing containing an exhaust fan, a filter that is rotated by driving means downstream of the suction port, a clean casing that surrounds the filter, and water from the center of the filter. This is a range hood that has a watering means for supplying water and a means for collecting sewage scattered in a clean casing, and a filter is disposed at a position opposite to the flow straightening plate. Dirt is collected on the back side of the plate, and when cleaning the filter, it is possible to remove the stain on the back side of the rectifying plate without removing the filter and without trouble. Having.

  The range hood according to claim 2 of the present invention is movable so that the rectifying plate or the filter and the driving means can approach and maintain a certain distance, and the dirt on the back side of the rectifying plate is efficiently removed using a strong water flow. It has an action that can be well removed.

  The range hood according to claim 3 of the present invention has a plate-shaped water conditioning plate embedded inside the rectifying plate and is movable so as to be close to the filter and maintain a certain distance, and uses a simple moving device. Thus, it has an effect of cleaning the back surface of the filter and the dirt on the water conditioning plate.

  The range hood according to claim 4 of the present invention moves the rectifying plate up and down so that the ventilation path can be switched between the closed state and the open state, and prevents water leakage that occurs when the filter is cleaned, It has the effect | action which can interrupt | block the collision sound and rotation sound of water.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
As shown in FIG. 1, in this Embodiment 1, the food | hood 2 which provided the suction inlet 1 which collects the oily smoke which generate | occur | produces from a cooking appliance, and the dust which floats around is provided above a cooking appliance (not shown). The hood 2 is provided with a discharge port 4 that communicates with the outside via a duct 3 that communicates with the outside, and a blower casing 6 that includes an exhaust fan 5 is disposed inside the hood 2. The ventilation path 7 which connects the suction inlet 1 and the discharge outlet 4 via is formed. Further, a box-shaped rectifying plate 8 is disposed near the suction port 1 in the hood 2, and a filter 10 that collects oil and dust connected to the driving means 9 is disposed on the front surface of the exhaust fan 5. 10 and the rectifying plate 8 are located opposite to each other and are fixed at a predetermined interval. Further, the outer peripheral portion of the filter 10 has a cylindrical clean casing 11 that covers the filter 10, and in the center of the filter 10, a watering means 15 is constituted by a watering nozzle 14 connected by a water storage device 12 and a water supply pump 13. ing. Further, a small hole is provided at the lower end portion of the clean casing 11 for drainage, and a recovery means 16 for recovering the sewage scattered in the clean casing 11 is provided at a lower portion thereof.

  In the above configuration, when the operation of the exhaust fan 5 is started when cooking with the cooking device, oily smoke and dust are sucked from the suction port 1 and enter the hood 2 through the rectifying plate 8. Dirt adheres and accumulates on the part due to the stagnant action of ventilation. Thereafter, the oil and dust that have passed through are collected by the filter 10 and directed to the exhaust fan 5. When cleaning the filter 10, the filter 10 is first rotated by the driving means 9, sprayed from the water spray nozzle 14 to the center of the filter 10, entering the back surface of the filter 10 while washing the surface of the filter 10, and reflecting / traversing to the rectifying plate 8. While washing the front and back, dirt attached to the back side of the current plate 8 can be washed away by the flow of water. Therefore, the front and back of the filter 10 can be washed, and the back side of the current plate 8 that is usually very difficult to clean can be easily cleaned.

(Embodiment 2)
In FIG. 2, the same components as those in FIG.

  As shown in FIG. 2, in the second embodiment, the rectifying plate 8 or the filter 10 and the driving means 9 approach each other and can move so as to be able to maintain a certain distance.

  In the above configuration, when the filter 10 is cleaned, the rectifying plate 8 rises to the hood 2 side or the filter 10 and the drive means 9 descend to the suction port 1 side, so that the rectifying plate 8 side and the filter 10 approach and the sprinkling means 15 Remove dirt. On the other hand, during normal smoke discharge, conversely, the flow straightening plate 8 is lowered to the cooking device side or the filter 10 and the drive means 9 are raised to the hood 2 side, so that a large air passage 7 can be secured, and the amount of air to be sucked in And the collection efficiency of contaminated air can be increased.

(Embodiment 3)
3, the same components as those in FIGS. 1 and 2 are denoted by the same reference numerals, and the description thereof is omitted.

  As shown in FIG. 3, in the third embodiment, a plate-like water conditioning plate 17 is embedded on the back side of the rectifying plate 8 installed in the vicinity of the suction port 1, and faces the filter 10 in the ventilation path 7. The water conditioning plate 17 is moved back and forth between the back of the rectifying plate 8 and the vicinity of the filter 10 by being connected and fixed via the interlocking column 18 so as to be positioned and rotating the interlocking column 18.

  In the above configuration, when the filter 10 is cleaned, the water conditioning plate 17 embedded on the back side of the rectifying plate 8 approaches the filter 10 to a place where a certain distance can be maintained and is fixed to remove the dirt adhering to the filter 10. Since only the water plate 17 is moved, a large-scale mechanism for raising and lowering the rectifying plate 8 and the filter 10 and the driving means 9 is not necessary, and the filter 10 is removed so that the back of the rectifying plate 8 is not contaminated. can do.

(Embodiment 4)
In FIG. 4, the same components as those in FIGS.

  As shown in FIG. 4, in the fourth embodiment, the rectifying plate 8 is connected and fixed to the hood 2 by the interlocking column 18, and the rectifying plate 8 has a box shape covering the suction port 1, The interlocking column 18 is actuated to close the suction port 1 and the ventilation path 7 is closed.

  In the above configuration, when the filter 10 is cleaned, the rectifying plate 8 is raised to cover and close the suction port 1, and even if the water that has cleaned the filter 10 is scattered, it does not leak into the room and is generated at the same time. Since the suction port 1 is closed, uncomfortable sounds such as the rotating sound of the filter 10 and the collision sound of water are also blocked, so that the sound transmitted to the indoor side is cut off. Cleaning can be performed.

  It can be applied to a ventilator that collects dirt with a filter by a structure in which a filter, a rectifying plate or a water conditioning plate is held in the ventilation path and the dirt is removed by water spray and centrifugal force.

The block diagram which shows the range hood in Embodiment 1 of this invention The block diagram which shows the range hood in Embodiment 2 of this invention The block diagram which shows the range hood in Embodiment 3 of this invention The block diagram which shows the range hood in Embodiment 4 of this invention Configuration diagram showing a conventional range hood

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Suction port 2 Hood 4 Discharge port 5 Exhaust fan 6 Blower casing 7 Ventilation path 8 Current plate 9 Driving means 10 Filter 11 Clean casing 15 Sprinkling means 16 Collection means 17 Water conditioning plate

Claims (4)

Installed above or around the cooker, around the flat baffle plate, and communicates the suction port that sucks contaminated air, the discharge port that communicates with the outside, and the ventilation casing that contains the exhaust fan for exhaust ventilation. A hood provided with a ventilation path, a filter that is rotated by driving means downstream of the suction port, a clean casing that surrounds the filter, a watering means that supplies water from the vicinity of the center of the filter, and an inside of the clean casing A range hood, wherein the filter is disposed at a position facing the current plate. 2. The range hood according to claim 1, wherein the rectifying plate or the filter is movable so that both of them are close to each other while maintaining a certain distance. A plate-shaped water conditioning plate is embedded on the filter side of the rectifying plate, the water conditioning plate approaches the filter, and is movable so as to maintain a certain distance that can repel water sprayed from the filter to the filter. The range hood according to claim 1. The cooker hood according to any one of claims 1 to 3, wherein the rectifying plate moves up and down so that the suction port can be switched between a closed state and an open state.

Images