JP2001000361A - Blower - Google Patents

Abstract

(57) [Problem] To provide a blower that sterilizes microorganisms contained in air, removes and deodorizes harmful gas components, and facilitates maintenance and cleaning of a main body. A surface of an outer wall of a main body includes a blower including a motor and a fan, partially has an intake port and an exhaust port, and includes a front grill, a front body, and a rear body. Photocatalyst treatment, and the outer wall surface is irradiated with ultraviolet light to activate the photocatalyst. The contact reaction with the photocatalyst activates the disinfection of microorganisms and oxidizes harmful gas components. By adsorbing the product, the harmful gas component is removed, and the adhesion of the dirt is prevented. Further, the dirt is attached to the oxidized product which is easily peeled, so that the cleaning maintenance can be easily performed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air blower provided with air blowing means such as a hand dryer for washing hands with water and drying wet hands with warm air.

[0002]

2. Description of the Related Art A hand dryer, which is an example of a conventional air blower, is provided in a public toilet, a washroom, or a food factory where a large number of people enter and leave. Many hot air dryers are used to generate warm air, and have a structure as shown in FIGS. 5 to 9, for example.

[0003] 1 is a front grill having a lattice-shaped intake port 1a on the front surface of the main body, 2 is a front part of the main body forming an intermediate part, 3 is a rear part of the main body, and 3 is a rear part of the main body having a wall hole 4 and a power switch 5 on the back side. Numeral 6 designates a vortex chamber formed between the front part 2 of the main body and the rear part 3 of the main body. The vortex chamber 6 has a blower including a fan 8 connected to a motor 7 therein. A suction port 9 is formed on the front surface of the vortex chamber 6, and the front grill 1 and the main body front 2 constitute a main body front part. The suction port 9 is in communication with a motor 7 and a fan 8 in the main body. Reference numeral 10 denotes a lattice-shaped exhaust port formed in the front 2 of the main body. A tapered outlet 11 is provided below the vortex chamber 6, and a heater 12 serving as a heating means for heating air is built in the outlet 11, and a temperature fuse 13 for preventing overheating of the heater 12 is provided. It is attached to the outer surface of the heater 12. Reference numeral 14 denotes a sensing switch including a light emitting unit and a light receiving unit. Reference numeral 15 denotes a control circuit. Even when the power switch 5 is turned on, the motor 7 and the heater 12 do not operate immediately. Are turned on and off so that the motor 7 can be rotated and stopped, and the heater 12 can be turned on and off.

In the above configuration, the operation will be described. When a wet hand is inserted below the exhaust port 10, light from the light emitting section is cut off. When a hand is sensed, the sensing switch 14 is turned on and the motor 7 rotates. By rotating the fan 8, air taken in from the outside through the intake port 1 a is blown out from the exhaust port 10, and a warm air is blown out by the heater 12 installed inside the exhaust port 10 to dry wet hands. I have. After wet hands are dry, vent 1
When the hand is released from the vicinity of 0, the light of the light emitting section reaches the light receiving section, and when the sensing switch 14 is automatically turned off, the rotation of the motor 7 is stopped and the blowing of the warm air is interrupted.

[0005]

In the above-described conventional blower, the air around the main body is sucked in to blow out warm air, and wet hands are dried by warm air. Tobacco smoke, microorganisms such as bacteria including viruses, harmful gas components containing air pollutants (NOx, SOx, etc.) exhausted from vehicles entering from the outdoors, and odor components contained in them. Are suspended and contained, and odor components, air pollutants (NOx, SOx
If harmful gas components containing) or microorganisms such as bacteria containing viruses adhere to hands or are inhaled into the body, they can cause food poisoning and various diseases, which is not hygienic. In addition, there are many problems in that the odor is strong due to bad smell in the room such as a toilet, secretory odor of mold or various germs, odor of putrefaction, and the like, and discomfort is strong.

Further, there is also a problem that smoke and other dirt from the tobacco adhere to the lattice portion of the air inlet and the air outlet and the outer wall of the main body and become dirty, and are not easily removed by wiping with water or a dry cloth. Was.

Accordingly, the present invention provides sterilization of microorganisms such as bacteria containing viruses, removal and deodorization of harmful gas components containing air pollutants (NOx, SOx, etc.), and prevention of soiling of the main body, ie, antifouling. It is another object of the present invention to provide an air blower which can easily perform cleaning maintenance of dirt attached to a main body by wiping with water or dry wiping with a cloth or the like.

[0008]

In order to achieve the above object, the present invention provides a photocatalyst treatment by applying a photocatalyst treatment to an outer wall of a main body having a built-in air blower and partially having an intake port and an exhaust port. The photocatalyst is activated when irradiated with sunlight or a fluorescent lamp containing ultraviolet rays, kills microorganisms such as bacteria containing viruses by a contact reaction with the photocatalyst, and oxidizes harmful gas components, The harmful gas components are removed and deodorized by being adsorbed on the surface subjected to the photocatalytic treatment.

[0009] Further, oxidation products formed by oxidizing harmful gas components by the above-described contact reaction with the photocatalyst adhere to the surface subjected to the photocatalyst treatment, thereby causing smoke and other contaminants of the tobacco. Prevents it from adhering to the treated intake and exhaust grille and the outer wall surface of the main body, and also attaches it to oxidation products that are easy to peel off even if it adheres. This facilitates cleaning maintenance.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION
A photocatalyst treatment is applied to the outer wall of the main body, which has a built-in air blower and partially has an intake port and an exhaust port, so that the photocatalyst is activated when sunlight or fluorescent lamps containing ultraviolet rays are irradiated on the photocatalyst-treated surface. The contact reaction with the photocatalyst kills microorganisms such as bacteria containing viruses, oxidizes the harmful gas components, and removes the harmful gas components by adsorbing them on the photocatalyzed surface. It is capable of disinfecting air and removing harmful gas components in the air that floats around and is in contact with the outer wall surface of the main body.

[0011] Further, oxidation products formed by oxidizing harmful gas components by the above-described contact reaction with the photocatalyst adhere to the surface subjected to the photocatalyst treatment, and smoke and other dirt of the tobacco are subjected to the photocatalyst treatment. By preventing adhesion to the outer wall surface of the main body and attaching to an oxidation product which is easy to peel off even if it adheres, cleaning and maintenance can be easily performed by wiping with water or dry with a cloth or the like.

According to a second aspect of the present invention, a photocatalytic treatment is performed on at least one of the members constituting the intake port and the exhaust port, so that the main body is moved from the intake port and the exhaust port that have been subjected to the photocatalytic treatment. It can sterilize and remove harmful gas components in the air flow that is sucked and exhausted.

[0013] Further, tobacco smoke and other contaminants are prevented from adhering to the surface of the lattice portion of the intake port and the exhaust port which have been subjected to the photocatalytic treatment, and are attached to oxidation products which are liable to peel off even if they are attached. Thus, cleaning and maintenance can be easily performed by wiping with water or dry wiping with a cloth or the like.

According to a third aspect of the present invention, the air blowing means comprises a motor and a fan, and the fan is subjected to a photocatalytic treatment so as to float around the main body and contact the outer wall surface of the main body. Sterilization and removal of harmful gas components,
It prevents tobacco smoke and other dirt from adhering, and even if it does, can be easily cleaned and maintained.

According to a fourth aspect of the present invention, an ultraviolet ray transmitting member is used for the main body so that ultraviolet rays can be transmitted to the fan, and the ultraviolet ray is transmitted to irradiate the fan with the ultraviolet ray. It can sterilize air and remove harmful gas components from air flowing in contact with the photocatalyst-treated fan surface.

According to a fifth aspect of the present invention, a member to be subjected to a photocatalyst treatment is subjected to the same photocatalytic treatment by kneading a photocatalyst material. It can sterilize and remove harmful gas components in the air flowing in and in the air flow sucked and exhausted by the main body.

Further, by preventing tobacco smoke and other contaminants from adhering to the outer wall surface of the main body subjected to the photocatalyst treatment, and by adhering to an oxidation product which is easy to peel off even if it adheres, water such as a cloth is used. It can be easily cleaned and maintained by wiping or dry wiping.

[0018] The invention according to claim 6 of the present invention is provided with a heat generating means for heating the air passing through the air blowing means, and discharges clean warm air with less germs and harmful gases.
A hand dryer for drying wet hands and a hot air blower can be used comfortably and hygienically.

[0019]

(Embodiment 1) A first embodiment of the present invention will be described below with reference to FIGS. The same components as those in the conventional example are denoted by the same reference numerals, and description thereof will be omitted.

Reference numeral 16 denotes a main body in which a photocatalyst layer containing titanium dioxide as a main component is applied to a surface serving as an outer wall of the main body by painting or the like.
Similarly, reference numeral 17 denotes a front grill having a photocatalytic treatment applied to a surface serving as an outer wall of the main body, and is formed of a transparent resin material that transmits ultraviolet light. Reference numeral 18 denotes a transparent resin material that transmits ultraviolet light in front of the main body having a photocatalytic treatment applied to a surface serving as an outer wall of the main body.

Reference numeral 19 denotes a fan connected to the motor 7,
Similarly, a photocatalytic treatment is applied to the entire outer periphery. Needless to say, the front grille 17, the lattice-shaped intake ports 1a, and the exhaust ports 10 formed in the front part 18 of the main body are similarly subjected to a photocatalytic treatment on the surface to be the outer wall of the main body, and a transparent resin material that transmits ultraviolet light. It is formed with. Reference numeral 20 denotes a vortex chamber formed of a transparent resin material that transmits ultraviolet light.

As the transparent resin material, there are acrylic, polycarbonate, nylon, PMMA and the like.

The operation of the above configuration is as follows.
By applying photocatalytic treatment to the outer wall of the main body consisting of the main body rear 16, front grille 17, and main body front 18, sunlight or fluorescent light containing ultraviolet light is applied to the photocatalyzed surface regardless of whether the main body is operating or stopped. When the lamp is irradiated, the photocatalyst is activated and active oxygen is generated. This strong oxidizing power decomposes organic matter in the air that is in contact with the surface subjected to the photocatalytic treatment, that is, the outer wall of the main body, and kills microorganisms harmful to the human body.

[0024] When the photocatalyst is activated, nitric oxide in air in contact with the outer body wall drifting around the body (NO _1), nitrogen dioxide (NO _2), sulfur dioxide (S
Hazardous gas components such as O ₂ ) are oxidized and nitrate ions (N
O ₃ ), sulfated ions (SO ₃ ), etc. are converted to ionized oxidation products, which are adsorbed on the photocatalyzed surface,
Noxious gas components can be removed. Further, the iron-based metal oxide combines with the ions to form a salt and chemically captures an oxidation product, thereby further improving the effect of removing harmful gas components.

Further, as described above, since the harmful gas components around the main body are oxidized by the contact reaction with the photocatalyst, the resulting oxidation product adheres to the photocatalyst-treated surface, so that tobacco smoke and other Dirt is prevented from adhering to the photocatalyst-treated outer wall surface, and even if it adheres, it is attached to oxidation products that are easily peeled off from the outer wall surface of the main unit. And the outer wall surface of the main body can be easily cleaned.

Next, when the main body is in operation, the members constituting the air intake / exhaust port including the front grille 17 and the front part 18 of the main body are subjected to the photocatalytic treatment. The air passing through the intake port 1a 17 and the exhaust port 10 in front of the main body 18 sterilizes air sucked and exhausted by the main body and removes harmful gas components contained in the air.

Similarly, it is possible to prevent smoke and other contaminants of the tobacco from adhering to the surface of the lattice portion of the intake port 1a of the front grill 17 and the exhaust port 10 in front of the main body 18 which have been subjected to the photocatalytic treatment. Further, even if it adheres, it is attached to the oxidation product which is easily peeled off, so that it can be easily cleaned only by wiping with water or a dry cloth.

Ultraviolet light is transmitted through the front grill 17, the front body 18, and the vortex chamber 20 formed of a transparent material or the like, and is applied to the fan 19 having a photocatalytic treatment applied to the entire outer periphery. And fan 1 that has been subjected to photocatalytic treatment
Sterilization and harmful gas components in the air flowing while contacting the surface of No. 9 are removed.

(Embodiment 2) Next, a second embodiment of the present invention will be described with reference to FIGS. The same components as those in the above-described embodiment are denoted by the same reference numerals, and description thereof will be omitted.

Reference numeral 21 denotes a main body which has been subjected to the photocatalytic treatment by kneading a photocatalyst material containing titanium dioxide as a main component in a resin material forming the product, and 22 is a front grill which has been similarly subjected to the photocatalytic treatment. It is formed of a transparent resin material that transmits ultraviolet light. Reference numeral 23 designates a front portion of the main body similarly subjected to the photocatalytic treatment, which is formed of a transparent resin material that transmits ultraviolet light. Reference numeral 24 denotes a fan connected to the motor 7, which has been similarly subjected to photocatalytic treatment.
Numeral 25 denotes a vortex chamber made of a transparent resin material that transmits ultraviolet light.

The effect of the above configuration is that the photocatalytic treatment is performed by kneading a photocatalyst material containing titanium dioxide as a main component in a resin material forming the component parts.
The same effect as that of the embodiment can be obtained.

In this embodiment, a photocatalyst containing titanium dioxide as a main component is used. However, other photocatalysts may be used. The sterilization and harmful gas components are oxidized by a contact reaction with the photocatalyst. The harmful gas component may be removed by adsorbing the harmful gas component on the surface subjected to the treatment.

In this embodiment, the air blowing means comprising a motor and a fan and the heat generating means comprising a heater are used. However, it is needless to say that the same effect can be obtained by other means. .

[0034]

According to the first and third aspects of the present invention, by subjecting the outer wall of the main body to photocatalytic treatment, the surface subjected to the photocatalytic treatment is irradiated with sunlight or fluorescent light containing ultraviolet rays. And the photocatalyst is activated, the harmful gas component is oxidized by the contact reaction with the photocatalyst, and the harmful gas component is removed by being adsorbed on the surface subjected to the photocatalyst treatment. It has the effect of sterilizing air in contact with it and removing and deodorizing harmful gas components.

Further, by using the oxidation product formed by oxidizing the harmful gas component by the above-mentioned contact reaction with the photocatalyst and attaching it to the surface subjected to photocatalyst treatment, tobacco smoke and other dirt are removed from the photocatalyst. It has the effect that it can be easily cleaned and maintained by wiping with a cloth or the like by preventing it from adhering to the treated outer wall of the main body and attaching it to oxidation products that are easy to peel off even if it adheres. It is.

According to the second aspect of the present invention, at least one of the members constituting the intake port and the exhaust port is subjected to the photocatalytic treatment, so that the photocatalytically treated intake port and It has the effect of sterilizing air in the air stream sucked and exhausted from the exhaust port and removing and deodorizing harmful gas components.

In the same manner, tobacco smoke and other dirt are prevented from adhering to the surface of the lattice portion of the intake port and the exhaust port which have been subjected to the photocatalytic treatment, and even if they are adhered, oxidized products are easily peeled off. By attaching it to an object, it has an effect that cleaning maintenance can be easily performed by wiping with water or dry wiping with a cloth or the like.

According to the invention of claim 4 of the present invention, the fan is subjected to a photocatalytic treatment, and a member constituting the front portion of the main body is formed of a transparent material or the like, and the ultraviolet light is transmitted to the fan to transmit the ultraviolet light to the fan. Irradiation has the effect of sterilizing air in the air flowing in contact with the photocatalyzed fan surface and removing and deodorizing harmful gas components in the same manner.

According to the fifth aspect of the present invention, the photocatalyst material is kneaded into a member constituting the outer wall of the main body, a member constituting the intake port and the exhaust port, and a member such as a fan for performing a photocatalyst treatment. In the same way, the treatment has the effect of removing bacteria and removing and deodorizing harmful gas components in the air drifting around the main body and in contact with the outer wall surface of the main body or in the air flow sucked and exhausted by the main body. It is.

Similarly, by preventing tobacco smoke and other contaminants from adhering to the photocatalytically treated outer wall of the main body, and by adhering to oxidation products which are liable to peel off even if they adhere, It has an effect that cleaning maintenance can be easily performed by wiping with water or dry wiping with a cloth or the like.

According to the invention of claim 6 of the present invention, there is provided a heating means for heating the air which has passed through the blowing means, and since clean warm air with little germs and harmful gases is discharged, the wet A hand dryer for drying hands, a warm air blower, and the like can be used comfortably and hygienically.

[Brief description of the drawings]

FIG. 1 is a partial sectional side view of a blower showing a first embodiment of the present invention.

FIG. 2 is a front view of the blower.

FIG. 3 is a partial sectional side view of a blower according to a second embodiment of the present invention;

FIG. 4 is a front view of the blower.

FIG. 5 is a partial side cross-sectional view of a blower showing a conventional technology example.

FIG. 6 is a front view of the blower.

FIG. 7 is a bottom view of the blower.

FIG. 8 is a rear view of the blower.

FIG. 9 is a front view of the blower with the main body removed.

[Explanation of symbols]

 1, 17, 22 Front grille 1a Inlet 2, 18, 23 Front of main body 3, 16, 21 Rear of main body 4 Wall mounting hole 5 Power switch 6, 20, 25 Vortex chamber 7 Motor 8, 19, 24 Fan 10 Exhaust port 11 Blowing Outlet 12 Heater (heating means) 14 Sensor switch

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Osamu Tanaka 1006 Kadoma Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Inventor Masaru Kawakami 1006 Kadoma Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co. 72) Inventor Hideki Hayashi 1006 Kazuma Kadoma, Kadoma City, Osaka Prefecture F-term in Matsushita Electric Industrial Co., Ltd. 3H034 AA02 AA06 AA13 BB02 BB06 BB19 CC03 DD01 DD24 DD28 EE17

Claims (6)

[Claims] 1. An air blower having a built-in air blower and a photocatalyst treatment applied to a surface of an outer wall of a main body partially having an intake port and an exhaust port. 2. A photocatalytic treatment is applied to at least one of the surface of a member constituting one of an intake port and an exhaust port.
The blower as described. 3. The air blowing means comprises a motor and a fan, and the surface of the fan is subjected to a photocatalytic treatment.
4. The blower according to any one of claims 3 to 5. 4. The blower according to claim 3, wherein an ultraviolet ray transmitting member is used for the main body so that ultraviolet rays can be transmitted to the fan. 5. The blower according to claim 1, wherein a photocatalytic material is kneaded into the member to be subjected to the photocatalytic treatment. 6. The blower according to claim 1, further comprising a heat generator for heating the air passing through the blower.