JP4839814B2 - Range food - Google Patents

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 rectifying plate, a discharge port, and an exhaust fan for exhaust air blowing provided around the suction port for sucking contaminated air. A hood having an air passage that communicates with a blower casing that contains air, a filter that is rotated by driving means downstream of the suction port, a clean casing that surrounds the filter, and water from the vicinity of the center of the filter Water spraying means for collecting the sewage scattered in the clean casing, and spraying water from the watering nozzle to the center of the filter and entering the back surface of the filter while washing the filter surface and reflecting on the current plate. · traffic and with washing the front and back while, even for dirt attached to the current plate back side, the rectifier which can be washed away by the water flow The filter at a position of facing those that were disposed.

  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.

Another means is that a plate-shaped water conditioning plate is embedded on the filter side of the current plate , and is connected and fixed via an interlocking column so as to face the filter in the ventilation path, and the interlocking column rotates. by the water conditioner plate the water conditioner plate closer to the filter by moving traffic of the filter near to the straightening vane back side, a certain distance that can repel water spray from the filter to the filter It is movable so that it can be held.

  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.

Further, as another means, the rectifying plate is connected and fixed to the hood by an interlocking column so that the suction port can be switched between a closed state and an open state, and the rectifying plate has a box shape covering the suction port. And the rectifying plate moves up and down by operating the interlocking column .

  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, water is sprayed from the watering nozzle to the center of the filter and the front and back surfaces of the filter are washed while reflecting on and coming back from the filter while cleaning the filter surface. Since the filter is disposed at the opposite position of the rectifying plate that can be washed away by the flow of water against the attached dirt, when the filter is cleaned, the supplied water is reflected on the rectifying plate and the filter It is possible to provide a range hood that can be cleaned by going back and forth, easily removing dirt on the back of the current plate located near the suction port, and reducing the labor of cleaning.

In addition, the other means can be moved so that the current plate or the filter and the drive means can approach and maintain a certain distance, so the distance between the water spray means and the current plate is relatively reduced, and is supplied from the water spray 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. .

Also, other means, the filter side of the rectifier plate is set embedded a plate-like Seimizuban, fixedly connected via interlocking columns so as to filter the facing position in the ventilation path, the interlocking pillars By rotating, the water regulating plate moves back and forth between the back side of the current plate and the vicinity of the filter, so that the water regulating plate approaches the filter, and the water spray from the filter can be returned to the filter by a certain distance. It is possible to move so as to hold the filter, and the dirt is attached to the water conditioning plate to clean it when the filter is cleaned.Therefore, a simple moving device is used to prevent the dirt on the back of the filter and rectifying plate from being attached. A range hood that can clean dirt through a plate can be provided.

Further, as another means, the rectifying plate is connected and fixed to the hood by an interlocking column so that the suction port can be switched between a closed state and an open state, and the rectifying plate has a box shape covering the suction port. And the rectifying plate is moved up and down by operating the interlocking column, thereby closing the ventilation path when the filter is cleaned, preventing leakage of water sprayed and sewage after removal, A range hood capable of blocking the rotational sound of the filter can be provided.

Range hood of claim 1, wherein the present invention is placed above or around the cooker, provided around the rectifying plates, the exhaust blower with contaminated straightening plate and the discharge port to suck inlet air provided around A hood provided with a ventilation passage in communication with a blower casing containing an exhaust fan for use, a filter that is rotated by driving means downstream of the suction port, a clean casing that surrounds the filter, and from near the center of the filter Water supply means for supplying water, and means for collecting sewage scattered in a clean casing, and water is sprayed from the water spray nozzle to the center of the filter and enters the back surface of the filter while cleaning the filter surface. front and back is washed with reflection and traffic in conjunction with, even for dirt attached to the current plate back side, the rectifier which can be washed away by the water flow This is a range hood that is characterized by the fact that a filter is arranged at the opposite position of the filter, which collects dirt on the back side of the filter and the current plate during normal use, and without removing the filter and hassle-free when cleaning the filter. It has an effect of removing dirt on the back side of the current plate.

The range hood according to claim 2 of the present invention is such that the rectifying plate or the filter and the driving means are close to each other and movable so as to be able to maintain a certain distance. It has the effect | action which can be removed efficiently.

The range hood according to claim 3 of the present invention has a plate-shaped water conditioning plate embedded on the filter side of the rectifying plate , and is connected and fixed via an interlocking column so as to face the filter in the ventilation path, When the interlocking column is rotated, the water conditioning plate moves back and forth between the back of the current plate and the vicinity of the filter, so that the water conditioning plate approaches the filter, and water spray from the filter is repelled to the filter. It can be moved so that a certain distance can be maintained , and has an effect of cleaning the back surface of the filter and the dirt of the water conditioning plate using a simple moving device.

In the range hood according to claim 4 of the present invention, the current plate is connected and fixed to the hood by an interlocking column so that the suction port can be switched between a closed state and an open state, and the current plate covers the suction port. It has a box shape and moves the baffle plate up and down by operating the interlocking column , preventing water leakage that occurs when cleaning the filter and blocking water collision noise and rotation sound It has the action that can be done.

  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 current 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 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, is fixed, and the dirt adhering to the filter 10 is removed. 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, provided around the baffle plate, and provided a ventilation path by connecting the suction port for sucking contaminated air, the discharge port, and the air blowing casing containing the exhaust fan for exhaust air blowing A hood, 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 collection of sewage scattered in the clean casing Means for spraying water from the watering nozzle to the center of the filter and cleaning the surface of the filter while cleaning the front and back of the filter while entering the back surface of the filter and reflecting to and from the current plate. JP that even for embedded contamination were provided with the filter in a position facing the straightening vanes can be washed away by the water flow Range hood to be. 2. The range hood according to claim 1, wherein the rectifying plate or the filter and the driving means are close to each other and movable so as to maintain a constant distance. A plate-shaped water conditioning plate is embedded on the filter side of the rectifying plate , and is connected and fixed via an interlocking column so as to face the filter in the ventilation path. as the plate is that the water conditioner plate closer to the filter by moving traffic of the filter near to the current plate back, to maintain a constant distance that can repel water spray from the filter to the filter, and movable The range hood according to claim 1, wherein The rectifying plate is connected and fixed to the hood by an interlocking column so that the suction port can be switched between a closed state and an open state, and the rectifying plate has a box shape covering the suction port. The range hood according to any one of claims 1 to 3, wherein the baffle plate moves up and down by being operated .

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