JP2016133229A - Range hood - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automatic cleaning function in which cleaning liquid having stain removed can be circulated and utilized through a simple method, detergent increasing cleaning power of cleaning liquid can be conveniently mixed with cleaning liquid and its convenience in usage can be attained.SOLUTION: There is provided a range hood 1 which comprises: a blower 20 having an impeller within a fan casing for generating air flow for sucking soot; and a cleaning mechanism 40 for cleaning either one of the blower and an oil content collecting part or both of them. The cleaning mechanism 40 comprises: a tank for storing liquid; a supply part 50 for taking out liquid from the tank and supplying the liquid to the blower and the like; a cleaning filter for passing moisture, impregnating detergent into raw material adsorbing the oil content and cleaning liquid after cleaning; and a recovery part 51 for recovering liquid after its cleaning to the tank via the cleaning filter. At a process in which the liquid is circulated at the cleaning mechanism, the detergent impregnated into the cleaning filter is mixed with the liquid and the cleaning mechanism cleans the blower and the like with the liquid mixed with the detergent.SELECTED DRAWING: Figure 10

Description

  The present invention relates to a range hood having a cleaning function.

  Conventionally, in a range hood that is installed near a cooker and sucks oil smoke generated by cooking, it is easy to remove dirt that adheres to the grease filter, blower, or exhaust flow path that exists on the flow path of air containing oil particles. The issue is whether to drop it. Therefore, various range hoods have been proposed that perform automatic cleaning instead of hand washing.

  In Patent Document 1, the cleaning liquid in the cleaning liquid tank is shared in the fan casing via the cleaning liquid pump and the water supply pipe, and the inside of the fan casing is cleaned, and then flows down to the cleaning liquid tank through the drain port at the bottom of the fan casing and collected. In addition, a cleaning liquid circulation type cleaning device is described in which the cleaning liquid is circulated and used again. Further, it is also described that this cleaning liquid circulation type cleaning device includes a cleaning agent supply device, and the cleaning agent supply device automatically supplies the cleaning agent into the cleaning solution tank by a cleaning solution replacement signal.

JP 2000-153242 A

However, in the above prior art, in order not to use the dirty cleaning solution as it is, a mechanism for optically monitoring the cleaning solution for contamination and automatically replacing the cleaning solution is provided. In order to supply, it is necessary to provide an electrically controlled cleaning agent supply device, and there is a problem that the device becomes complicated and large, and the cost becomes high.
Therefore, the present invention provides a range hood equipped with an easy-to-use automatic cleaning function, which can circulate and use the cleaning liquid from which dirt has been removed by a simple method, can easily mix detergent that enhances the cleaning power of the cleaning liquid with the cleaning liquid To do.

In order to solve the above problem, a range hood that collects oily smoke generated by cooking, has an impeller inside the fan casing, and generates a flow of air for sucking oily smoke, and in oily smoke An oil collecting part that collects the oil content of the oil, and a cleaning mechanism that cleans one or both of the blower and the oil content collecting part, the cleaning mechanism taking out the liquid from the tank that stores the liquid, A supply unit that supplies liquid to one or both of the blower and the oil collecting unit, a purification filter that purifies the liquid after washing by impregnating a detergent into a material that passes moisture and adsorbs oil, and a purification filter And a recovery unit for recovering the liquid after cleaning to the tank, and in the process of circulating the liquid in the cleaning mechanism, the detergent impregnated in the purification filter is mixed with the liquid, and the cleaning mechanism , Range hood for cleaning one or both of the blower and the oil collecting unit is provided by the detergent are mixed liquids.
According to this, it is possible to circulate and use a cleaning liquid from which dirt has been removed by a simple method, and a detergent that enhances the cleaning power of the cleaning liquid can be easily mixed with the cleaning liquid. be able to. In addition, the cleaning power is improved by the detergent, so that it is possible to clean strong oils and dusts that have been oxidized. In addition, since the detergent is impregnated with the specified amount in the purification filter, the amount of the detergent can be quantified, so cleaning with a cleaning cycle determined by design reduces the range hood performance due to dirt accumulation. Can be prevented.

Furthermore, the detergent impregnated in the purification filter may contain a surfactant.
According to this, even when the purifying filter is made finer, the surface-active action promotes the passage of water and enables circulation without slowing down.

Furthermore, the purification filter may be characterized by being dried in a state containing a detergent component.
According to this, the state change (preservation etc.) of a detergent can be reduced when preserve | saving for a long term.

Furthermore, the purification filter may be disposable.
According to this, by collecting dirt intensively, processing is easy and the user's trouble can be reduced.

  As described above, according to the present invention, it is possible to circulate and use the cleaning liquid from which dirt has been removed by a simple method, and it is possible to easily mix a detergent that enhances the cleaning power of the cleaning liquid into the cleaning liquid, and an easy-to-use automatic cleaning function. A range hood can be provided.

BRIEF DESCRIPTION OF THE DRAWINGS (A) Front view, (B) Bottom view, (C) Right side view, (D) Top view of the first embodiment of the range hood according to the present invention. BRIEF DESCRIPTION OF THE DRAWINGS (A) The perspective view seen from the upper right of the 1st Example of the range hood which concerns on this invention, (B) The perspective view seen from the lower right. Sectional drawing in the AA cross section of the 1st Example of the cooker hood which concerns on this invention. BRIEF DESCRIPTION OF THE DRAWINGS (A) Front view, (B) Bottom view, (C) Top view, (D) Right side view, (E) Left side view, (F) Back view of the first embodiment of the blower according to the present invention. Sectional drawing in CC cross section of the 1st Example of the air blower concerning this invention. BRIEF DESCRIPTION OF THE DRAWINGS (A) The perspective view seen from the upper right of the 1st Example of the air blower concerning this invention, (B) The perspective view seen from the lower right. BRIEF DESCRIPTION OF THE DRAWINGS (A) Front view, (B) Top view, (C) Left side view, (D) Back view, (E) Cross section in DD section of the first embodiment of the blower fan according to the present invention. Sectional drawing in the BB cross section of the 1st Example of the cooker hood which concerns on this invention. The expansion | deployment perspective view seen from the lower right of the 1st Example of the cooker hood which concerns on this invention. Explanatory drawing explaining the washing | cleaning mechanism of the 1st Example of the range hood which concerns on this invention.

Hereinafter, embodiments according to the present invention will be described with reference to the drawings.
<First Example>
FIG. 1 thru | or FIG. 3 shows the range hood 1 in the 1st Example which concerns on this invention. The range hood 1 includes a thin hood portion 2 having a concave inner panel 4 on the inner surface for collecting steam, oily smoke, and the like generated by cooking performed below. The hood portion 2 is coupled to the blower box 3 connected to the exhaust duct D in the vicinity of the communication port 6 located at the approximate center thereof. Moreover, the hood part 2 is equipped with the baffle plate 5 below, raises the wind speed around the hood part 2, and makes it easy to capture the oil smoke etc. which stand up from the downward direction. Further, a tank storage cover 44 for storing a tank to be described later is provided near the back side of the bottom surface of the hood 2.

  The blower box 3 includes an introduction unit 7 that introduces an air flow A <b> 1 including oil smoke captured by the hood unit 2 into the blower box 3 through the communication port 6, and a blower 20. The introduction unit 7 rises in the vertical direction while having a cross-sectional area substantially equal to the area of the communication port 6 from the communication port 6, and introduces the air flow A <b> 1 to the fan casing intake port 24. The fan casing intake port 24 is surrounded by a bell mouth 25 and is configured to smoothly draw in the air flow A2.

  The blower 20 will be described with reference to FIGS. 3 to 6. The blower 20 is a sirocco fan (impeller) inside and generates a flow of air (A1 / A2) by rotating, and a fan casing 23 provided inside so as to surround the blower fan 30. And a motor 21 that rotates the blower fan 30 by attaching a substantially horizontal rotary shaft 22 to the center of a power transmission member (described later) of the blower fan 30. The blower fan 30 is arranged so that the suction port 37 of the blower fan 30 matches the fan casing intake port 24 of the blower 20, and smoothly sucks the air flow A2 generated by itself. When the blower fan 30 operates, the pressure around the communication port 6 becomes negative pressure, and the air below the inner panel 4 passes through the introduction part 7 and the blower 20 and is discharged to the outside through the exhaust duct D.

  The fan casing 23 has a fan casing intake port 24 and a fan casing exhaust port 27, and after removing the oil component containing air sucked from the fan casing intake port 24, clean air is discharged from the fan casing exhaust port 27. To do. The type of the electric motor 21 is not particularly limited. The electric motor 21 has a capability of rotating at least about 200 rpm per unit time, but is not limited to this.

  The blower fan 30 will be described with reference to FIG. The blower fan 30 is generated when an impeller 32 having a plurality of blades 31, a power transmission member 35 that transmits a rotational force to the impeller 32, and a periphery of the power transmission member 35 are attached to the impeller 32. And a filter 33 having a slit-like hole 34 that allows a flow of air to pass therethrough. The impeller 32 rotates by rotating the rotating shaft 36 by the electric motor 21, sucks air from the suction port 37, and discharges it to the outside of the blade 31.

  The power transmission member 35 is attached to each blade 31 in order to transmit the rotational force to the impeller 32, and transmits the rotational force from the electric motor 21 to drive the impeller 32. At the center of the power transmission member 35, the rotating shaft 36 of the impeller 32 is detachably and firmly coupled to the rotating shaft 22 of the electric motor 21. The power transmission member 35 includes a hub portion that surrounds the rotation shaft 36, a peripheral portion that is attached to the blade 31, and five spoke portions that connect the hub portion and the peripheral portion.

  The filter 33 includes a hole 34, and a part of the air sucked from the suction port 37 passes through the hole 34. The periphery of the filter 33 is attached to the peripheral portion of the power transmission member 35, and the center portion thereof is also attached to the hub portion of the power transmission member 35. Furthermore, the filter 33 of the present embodiment is composed of five, and is attached to the spoke portion of the power transmission member 35 at each joint. The filter 33 functions as an oil collecting unit that collects oil in the oil smoke.

  The filter 33 is integrated with the hub portion and the peripheral portion of the power transmission member 35, and the filter 33 is substantially provided over the entire inner diameter of the impeller 32 including a portion where no hole is formed. According to this, almost all the air flowing through the inside of the impeller sucked from the suction port passes through the hole of the filter, and the collection efficiency of oil in the air can be improved.

  Further, the filter 33 has a truncated cone shape in plan view. In plan view, the center portion of the filter 33 corresponds to the upper bottom of the truncated cone, and the periphery of the filter 33 corresponds to the lower bottom of the truncated cone. When the filter 33 is attached to the blower fan 30, the position around the filter 33 in the rotation axis direction is different from the position in the rotation axis direction of the center portion of the filter 33, and the position of the center portion in the rotation axis direction is The position is farther from the suction port 37 than the position in the direction of the surrounding rotation axis, in other words, the downstream side of the air flow. By doing in this way, in the impeller which has the same internal diameter, since the area of a filter becomes large, ventilation resistance can be made small and an air volume can be enlarged.

  The hole 34 of the filter 33 has a slit shape. As a result, when the hole has an aspect ratio close to 1, when cleaning with a cleaning tool such as a brush, the hair of the brush may enter the hole and get caught. There are few, and cleaning property can be improved.

  With reference to FIG. 8 thru | or FIG. 10, the washing | cleaning mechanism 40 for wash | cleaning the air blower 20 and the filter 33 (oil content collection part) with which the range hood 1 is provided is demonstrated. The cleaning mechanism 40 is stored in a tank storage unit 43 located near the back side of the bottom surface of the hood unit 2, stores a liquid 41, a tank cover 42 serving as a cover of the tank 41, and takes out the liquid from the tank 41. The supply unit 50 that supplies liquid to both the blower 20 and the filter 33 (oil collecting unit), the purification filter 48 that is disposed in the tank lid 42 and purifies the liquid after washing, and the purification filter 48, A recovery unit 51 that recovers the liquid after washing into the tank 41.

  More specifically, the supply unit 50 draws the liquid suction port 45 that sucks the liquid from the tank 41 and the liquid sucked from the liquid suction port 45 to the front side that is the upstream side of the air flow of the blower fan 30. The liquid pipe 49 to be rotated and the liquid supplied from the liquid pipe 49 to the upstream side of the air flow with respect to the blower fan 30 are supplied to the inside of the filter 33 of the rotating fan fan 30 and the blower 20 (fan casing 23). And a nozzle 46 for direct injection from the upstream side of the air flow. The supply unit 50 may supply a liquid to either the blower 20 or the filter 33. When spraying to the filter 33, the nozzle 46 sprays with respect to a filter surface over the area | region which has the hole of a filter. According to this, since the liquid can be collided efficiently and strongly over the entire filter surface, the filter can be effectively cleaned.

  More specifically, the recovery unit 51 includes a fan casing 23 that recovers the liquid sprayed by the nozzle 46 on the inside of the blower 20 and the filter surface of the filter 33, and the liquid recovered by the fan casing 23 in the tank 41. The fan casing liquid discharge port 26 that discharges toward the direction and a position that coincides with the fan casing liquid discharge port 26, and the liquid discharge for returning the liquid discharged from the fan casing 23 by the fan casing liquid discharge port 26 to the tank 41. And an outlet 47. With these configurations, the cleaning mechanism 40 cleans either one or both of the blower 20 and the filter 33 (oil collecting unit). Although not shown, a pump that sucks liquid from the liquid suction port 45 and generates water pressure to be ejected from the nozzle 46 is provided.

  The tank lid 42 has a hole through which the liquid suction port 45 passes, and a lattice-like hole on which the purification filter 48 is placed so as to be replaceable and the liquid collected from the liquid discharge port 47 is returned to the tank 41. The tank 41 collects the liquid flowing out from the liquid discharge port 47 through the purification filter 48. In this way, the liquid is supplied from the tank 41 to the blower 20 and the filter 33 by the supply unit 50 and used for cleaning, and then is recovered by the recovery unit 51 to the tank 41 via the purification filter 48.

  The purification filter 48 is made of a material that allows moisture contained in the liquid to pass therethrough and adsorbs oil, and the material is impregnated with a detergent. In addition, it is preferable that the purification filter 48 is dried in a state including a detergent component. According to this, the state change (preservation etc.) of a detergent can be reduced when preserve | saving for a long term. The purification filter 48 is preferably disposable. According to this, by collecting dirt intensively, processing is easy and the user's trouble can be reduced.

  The liquid in the cleaning mechanism 40 may be hot water or water. In the process in which the liquid circulates through the cleaning mechanism 40, the detergent impregnated in the purification filter 48 is mixed with the liquid. The cleaning mechanism 40 cleans one or both of the blower 20 and the filter 33 (oil collecting unit) with the liquid thus mixed with the detergent.

  According to this, it is possible to circulate and use a cleaning liquid from which dirt has been removed by a simple method, and a detergent that enhances the cleaning power of the cleaning liquid can be easily mixed with the cleaning liquid, and a range hood having an easy-to-use automatic cleaning function is provided. be able to. In addition, the cleaning power is improved by the detergent, so that it is possible to clean strong oils and dusts that have been oxidized. In addition, since the detergent is impregnated with the specified amount in the purification filter, the amount of the detergent can be quantified, so cleaning with a cleaning cycle determined by design reduces the range hood performance due to dirt accumulation. Can be prevented. Moreover, since the dirty liquid is used after being circulated after removing the oil, it can be washed with a small amount of liquid.

  The detergent impregnated in the purification filter 48 preferably contains a surfactant. According to this, even when the purifying filter is made finer, the surface-active action promotes the passage of water and enables circulation without slowing down.

  Further, the purification filter 48 is replaceably mounted on the tank lid 42 so that the purification filter may be set in the tank when the liquid is put into the tank 41 before washing. When the liquid is discarded, the purification filter 48 may be discarded, so that labor can be reduced. The purification filter 48 mixes the detergent impregnated in itself with a circulating liquid such as water, and purifies the washed liquid containing oil that has been washed away from the filter 33 and the like. According to this, in the cleaning mechanism 40 that circulates the liquid, the purification filter 48 can adsorb and remove only the oil contained in the circulated liquid.

  The purification filter 48 is made of a material that is disposed on the tank lid 42 and that allows moisture contained in the liquid to pass therethrough and adsorbs oil. This material is a chemically synthesized fiber such as polyester fiber / polyolefin fiber (polypropylene, polyethylene, etc.) and a natural fiber containing cotton, paper, wood or the like, or a composite fiber of natural fiber and chemically synthesized fiber.

  In addition, this invention is not limited to the illustrated Example, The implementation by the structure of the range which does not deviate from the content described in each item of a claim is possible. That is, although the present invention has been particularly illustrated and described with respect to particular embodiments, it should be understood that the present invention has been described in terms of quantity, quantity, and amount without departing from the scope and spirit of the present invention. In other detailed configurations, various modifications can be made by those skilled in the art.

DESCRIPTION OF SYMBOLS 1 Range hood 2 Hood part 3 Blower box 4 Inner panel 5 Rectifier 6 Communication port 7 Introduction part 20 Blower 21 Electric motor 22 Motor rotating shaft 23 Fan casing 24 Fan casing inlet 25 Bell mouth 26 Fan casing washing liquid outlet 27 Fan casing Exhaust port 28 Oil reservoir 30 Blower fan 31 Blade 32 Impeller 33 Oil collecting part (filter)
34 hole (slit)
35 Power Transmission Member 36 Rotating Shaft 37 Suction Port 40 Cleaning Mechanism 41 Tank 42 Tank Cover 43 Tank Storage Unit 44 Tank Storage Unit Cover 45 Liquid Suction Port 46 Nozzle 47 Liquid Discharge Port 48 Purification Filter Unit 49 Liquid Piping 50 Supply Unit 51 Recovery Part D Exhaust duct A Air flow

Claims (4)

A range hood that collects oil smoke generated by cooking,
A blower having an impeller inside a fan casing and generating a flow of air for sucking the oil smoke;
An oil collecting section for collecting oil in the oil smoke;
A cleaning mechanism for cleaning one or both of the blower and the oil collecting unit;
With
The cleaning mechanism is
A tank for storing liquid,
A supply unit for taking out the liquid from the tank and supplying the liquid to one or both of the blower and the oil collecting unit;
A purification filter that purifies the liquid after washing by impregnating the material that passes moisture and adsorbs oil into the detergent,
A recovery unit for recovering the liquid after washing into the tank via the purification filter;
With
In the process in which the liquid in the cleaning mechanism circulates, the detergent impregnated in the purification filter is mixed with the liquid, and the cleaning mechanism has either one or both of the blower and the oil collecting unit depending on the liquid mixed with the detergent. Range hood to be cleaned.   The range hood according to claim 1, wherein the detergent impregnated in the purification filter contains a surfactant.   The range hood according to claim 1 or 2, wherein the purification filter is dried in a state containing a detergent component.   The range hood according to any one of claims 1 to 3, wherein the purification filter is disposable.