JP4833765B2 - Fog generator - Google Patents

Description

The present invention relates to a mist generating apparatus using ultrasonic waves for releasing chemical substances used in daily life, such as fragrances, pharmaceuticals, bactericides, insecticides, deodorants, and detergents. In particular, the present invention relates to an apparatus configuration with high atomization efficiency, easy cleaning maintenance, and easy switching of chemical substances.

The prior art and its problems will be described by taking as an example a device for releasing a fragrance-containing mist which is a main application example of the present invention. In today's stressful environment, fragrances that use ultrasonic fog generators are attracting attention as products that provide healing. If various fragrances can be switched and presented, it will be an attractive product.

In general, ultrasonic transducers used in fog generators use elements that have a piezoelectric effect or magnetostrictive effect. The element structure is a cantilever support structure, that is, one end of the transducer is fixed. However, there is a type in which the other tip is brought into contact with the liquid and vibrated at high speed, and a type such as a disc-shaped vibrator that supports the periphery of the element and vibrates in the thickness direction.

As an example of the former cantilever support structure, in the fragrance generator of Japanese Patent Publication No. 7-112491, liquid is stored in a liquid holding material such as a small sponge, and the vibration end is brought into contact with the liquid holding material to generate mist. A structure is disclosed. If a plurality of liquid holding materials holding various fragrance liquids are prepared and brought into contact with the vibration end, various scents can be generated.

However, in the case of a cantilever support structure, since it is difficult to vibrate at high frequency, the particle size of the generated mist tends to be large and uneven. A mist having a large particle size is not vaporized but is scattered around the device, causing a problem of contamination.

In addition, since the contact part is small, the amount of atomization per unit time is small, the contact mechanism part between the vibrator tip and the liquid holding part is required to have high accuracy, making the manufacture difficult, and the mechanism part easily deteriorating. There is also. For this reason, there are few examples commercialized for home use.

On the other hand, an apparatus for generating a mist by putting a disk-type ultrasonic vibrator in a liquid reservoir and vibrating the liquid at high speed with ultrasonic waves is disclosed in, for example, an ultrasonic atomizing apparatus disclosed in Japanese Patent Application Laid-Open No. 2003-245580. It is disclosed in the humidifier of 3000873. Since the vibrator can be vibrated at a high frequency exceeding 1 MHz, the particle diameter of the mist can be made extremely small. Considering application to a fragrance generator, the fragrance is easy to vaporize, so the device has good olfactory characteristics.

However, the disk-type ultrasonic vibrator driven at high frequency has a problem that when the liquid is no longer present on the vibration surface, the ultrasonic wave is reflected by the surface of the element, and the ultrasonic vibrator itself generates heat and becomes high temperature.

In the case of a piezoelectric element, when the element exceeds a predetermined temperature, the piezoelectric polarization characteristics deteriorate, or the element itself breaks and breaks. Although it depends on the material, the polarization deteriorates when the element temperature is about 80 ° C. or higher, and may break when the device temperature is about 150 ° C. or higher. There is a similar problem even in an element using the magnetostrictive effect.

Therefore, it is general to use an ultrasonic vibrator that is driven at a high frequency so that a sufficient liquid always exists on the vibration surface. In other words, mist generating devices that atomize a small amount of liquid with high frequency ultrasonic waves have not been commercialized so far in the field of household goods because there is a risk that the ultrasonic transducer will be destroyed.

Many of the ultrasonic fog generators currently commercialized for home use atomize water or one kind of fragrance-containing liquid. Further, most of the methods are atomization in a state where a sufficient amount of the atomization target liquid is supplied onto the ultrasonic vibrator.

However, even if one kind of fragrance is released for a long time, humans have olfactory adaptation characteristics, so that they do not feel the fragrance in a short time, and expensive fragrance tends to be wasted. When a fragrance having a strong physiological influence is used, there is an undesirable health problem.

For example, Japanese Patent Laid-Open No. 3-65264 and Japanese Patent No. 3547132 describe that the vibration surface is filled with an ultrasonic propagation medium in order to atomize the small amount of liquid and reduce the risk of the ultrasonic transducer being destroyed. A method of using a liquid container with an ultrasonic wave passage film so as to be in contact with the ultrasonic wave propagation medium has been proposed.

The fragrance-containing liquid is put into the liquid container and atomized, and the type of the mist can be changed by replacing the liquid container.

However, the conventional disclosed documents have the following problems.
(1) When a substance having different acoustic impedance enters between the ultrasonic wave propagation medium and the ultrasonic wave passage film of the liquid container or the liquid to be atomized, the reflection of ultrasonic waves occurs at the interface, so the atomization efficiency is large. There is a problem that decreases. Specifically, when the ultrasonic wave passage film of the liquid container is flat, bubbles or air layers are easily generated between the ultrasonic wave propagation medium and the ultrasonic wave passage film during driving, and the atomization efficiency is high. May decrease.

(2) The bottom of the liquid container with an ultrasonic wave passing film is often flat and does not have a structure for storing a small amount of liquid. Therefore, it is not suitable for the usage method in which the atomization target liquid contained in the liquid container is used up and then another atomization target liquid is injected to change the type of mist.

(3) There is a case where distilled water or natural water is continuously supplied to the liquid container as the atomization target liquid and the water is desired to be atomized for a long time. However, the conventional literature does not disclose a mechanism in which the liquid container can be easily detached and the liquid container can be supplied with an appropriate amount of the atomization target liquid.

(4) Since part of the energy generated from the ultrasonic transducer is converted into heat, the ultrasonic propagation medium and the atomization target liquid are warmed. In particular, since the temperature is high in summer, the medium and the liquid are often heated by driving the ultrasonic transducer. When bacteria in the air are mixed in, it is easy to propagate and to rot or mold. If such a liquid is atomized, it is not good for your health. Although it is necessary to clean frequently, there are many problems that the cleaning is troublesome and the maintainability is poor.

Specifically, it is often difficult or complicated to remove the liquid container. In addition, a liquid such as water is often used as the ultrasonic propagation medium, but the liquid may spill when the apparatus is tilted. When cleaning a container in which an ultrasonic wave propagation medium is removed and an ultrasonic vibrator is housed, the vibrator is usually attached to the bottom of the container, so that there is a problem that cleaning is troublesome. Using a tool such as a brush, it is necessary to carefully clean the vibrator mounted in a narrow space. Having poor maintainability is fatal for this type of product.

As explained above, many ultrasonic fog generators used in the conventional life are not designed to switch fragrances in the first place. Even if it is applied to atomize the fragrance-containing liquid, there are problems such as a decrease in atomization efficiency, difficulty in using up the liquid, troublesome cleaning and poor maintainability.

JP 7-11491 JP 2003-245580 A Actual climbing 3100873 JP 3-65264 A Japanese Patent No. 3547132

The main problem to be solved by the fog generator of the present invention is to release chemical substances used in daily life, such as fragrances, pharmaceuticals, fungicides, insecticides, deodorants, and detergents, in the fog. It is to realize a suitable fog generator. Specifically, it is as follows.

(1) Attenuation of ultrasonic energy from the ultrasonic propagation medium to the atomization target liquid is prevented, and the atomization efficiency is increased.
(2) A structure in which a small amount of liquid to be atomized in a small liquid container is used up. This facilitates switching of chemical substances.
(3) A mechanism for supplying an appropriate amount of liquid to the small liquid container while the small liquid container is easily attached and detached is realized. Thereby, the chemical substance-containing liquid or special water can be stably atomized for a long time.
(4) Prevent corrosion and deterioration of the ultrasonic propagation medium. Moreover, the small liquid container which puts the atomization object liquid is made easy to remove | desorb. This facilitates cleaning and improves maintainability. It also facilitates switching of chemical substances.

<Means 1>
The fog generator according to claim 1 according to the present invention will be described in association with, for example, FIG. 1 (C), FIG. 4 and FIG.
Small liquid container having an ultrasonic transducer (40), an ultrasonic wave propagation medium (Liq1) that fills the vibration surface of the transducer, and an ultrasonic wave passage film B (23) for containing the atomization target liquid (Liq2) (20), a small liquid container holding mechanism (203) for guiding ultrasonic waves to Liq2 via Liq1 and the membrane B, and a constant water level in the vicinity of the atomization operation by ultrasonic waves occurring in the small container Therefore, it is characterized by comprising a mechanism for injecting the atomization target liquid (Liq2) in one direction into the container from below the water level .

In the means 1, water (W), alcohol, oil, liquid resin, silicon resin, or the like can be applied to Liq1. High thermal conductivity is desirable.
The ultrasonic wave passage film B has a downwardly convex arch shape, and can be configured to disperse stress in the lateral direction of the film and to store a liquid .

Liq2 includes water (W), fragrance-containing water (Wa), liquid medicine, alcoholic beverages, alcohol, bactericidal liquid, deodorant liquid, liquid insecticide, and other chemical substance-containing liquids it can.

In the means 1, as shown in FIG. 1 and FIG. 2, an ultrasonic passage film A (24) made of a soft material thin film is provided at the interface of the Liq1, and the ultrasonic passage film B (23) is hard. The small liquid container holding mechanism (203) can be configured to press the arch portion against the membrane A.

In the means 1, stainless steel, titanium alloy, glass, noble metal alloy, resin, or the like can be used for the hard material thin film of the ultrasonic wave passing film B (23). Silicon rubber, vinyl chloride, soft acrylic, and other resins can be used for the soft material thin film of the ultrasonic wave passing film A (24) provided at the interface of Liq1. Since the ultrasonic wave passing film may become high temperature due to focused irradiation of ultrasonic waves, a film having high thermal conductivity is desirable.

In the means 1, the container (19) for storing the Liq1 may be provided with an ultrasonic propagation medium deformation adjusting mechanism (205) for deforming the interface of the Liq1 into an arch shape.

In the means 1, as shown in FIG. 3, the Liq1 is made of a gel material (GL), the ultrasonic wave passing film B (23) is made of an arch shape by a hard material thin film, and the small liquid container is held. The mechanism (203) can be configured to press the arch portion against the gel material.

In the means 1, for example, as shown in FIG. 4, an ultrasonic wave passage film A (24H) configured in an arch shape with a hard material thin film is provided between the small liquid container (20) and the interface between Liq1. be able to.

The small liquid container ultrasound passing film B (23) is constructed in arched a hard material film, small liquid container holding mechanism (203), the arch portion of the said arch portion ultrasound passing film A (24H) Can be held so as to substantially overlap. Further, a liquid can be filled between 1 and 2 described above.

Omitted

<Means 2>
The fog generator according to claim 2 according to the present invention will be described with reference to FIGS. 2 to 4, for example.
In the means 1, the ultrasonic wave emitted from the ultrasonic transducer (40) is focused on the end of the atomization target liquid (Liq2) by the ultrasonic focusing / reflecting mechanism (25) to cause an atomization operation. Scattered ultrasonic waves that do not contribute to the atomization operation are guided to an ultrasonic reflecting cylinder to generate traveling waves and convey the fog to the outside .

A concave mirror lens, a cylindrical lens, or the like can be used for the ultrasonic focusing / reflecting mechanism. The ultrasonic wave passes through the ultrasonic wave passing film A or B and atomizes Liq2, but the lens is rapidly focused so that the ultrasonic wave is smallly focused at the film part and focused at the end of Liq2. (See FIG. 2D).

< Effects of Means 1 >
As shown in FIGS. 1C and 4, the small liquid container (20) is provided with a mechanism (201) for allowing liquid to pass in one direction from the outside to the inside. By simply attaching to (203), water (W) flows into 20 and reaches a predetermined water level suitable for atomization. If a fragrance | flavor is dripped at 20, it will become fragrance | flavor containing water Liq2 (Wa). Since the liquid does not flow backward, the outside of 20 is not contaminated.

The removal of the small liquid container (20) can be simply lifted and is very easy. This is effective when cleaning or switching chemicals to be atomized.

By the way, as shown in FIG. 1 (A), when liquid is supplied into the nozzle 20, it is necessary to lift the liquid container (10) or rotate the nozzle (101) before removing the 20. This is troublesome as compared with the case where a unidirectional liquid passage mechanism is used.

Also, as shown in FIG. 4B, when a filtration membrane or semipermeable membrane (22) is used for the unidirectional liquid passage mechanism, dirt and unnecessary ions are removed, and clean water is always supplied to the small liquid container (20). To be atomized. Can release a good mist for health.

In FIG. 4, the effect that the water level of Liq2 is set at a predetermined position is particularly great when the ultrasonic wave is applied to the liquid end using the ultrasonic focusing / reflecting mechanism (25). That is, if the liquid end is significantly deviated from the focal point of the ultrasonic focusing / reflecting mechanism, the atomization characteristic is deteriorated.However, in the case of the present invention, the liquid end can be adjusted so that the liquid end comes to the focal position. It can be atomized efficiently.

< Effects of Means 2 >
As shown in FIGS. 2 to 4, the ultrasonic wave can be focused on the end of the atomization target liquid (Liq2) by the ultrasonic focusing and reflecting mechanism (25). Thus, a small amount of liquid can be put into a small liquid container and used up. It is suitable for applications where chemical substances are switched by injecting the next liquid after it has been used up. The effect of the combination of the ultrasonic reflection mechanism and the ultrasonic wave passage film will be described in more detail.

In general, since the ultrasonic energy density is increased by focusing the ultrasonic wave, the vicinity of the film through which the ultrasonic wave passes is greatly influenced by the push-up force from below and heat generation. In particular, this effect is significant when the remaining amount of liquid in the small liquid container (20) decreases. In a conventional flat film or weak soft film, bubbles may be generated by vibration, or holes may be formed due to high heat.

However, the ultrasonic wave passage film B (see 23 in FIGS. 2 and 3) or the ultrasonic wave passage film A (24H in FIG. 4) of the present invention is a thin thin film made of a hard material and has a downwardly convex arch shape. Since the stress is distributed in the lateral direction of the film, the film surface is stable even when subjected to the pushing-up force by the ultrasonic wave. Moreover, the influence of heat can be avoided by using metal or the like. In other words, by specializing the material and structure of the ultrasonic wave passing film as described above, the liquid is completely consumed to the end without reducing the atomization efficiency when the ultrasonic focusing / reflecting mechanism (25) is used. It has the effect of being able to do it.

Other effects will be described.
In an apparatus that atomizes the atomization target liquid (Liq2) via the ultrasonic propagation medium (Liq1), it is important not to create an air layer between the medium and the liquid. In the present invention, as shown in FIG. 1 and FIG. 2, the ultrasonic wave passing film B has a downwardly convex arch shape and is configured to disperse stress in the lateral direction of the film. B (23) can be firmly pressed against the ultrasonic wave passing film A (24) made of a soft material thin film. Thereby, the air layer does not exist. Therefore, stable atomization can be realized without lowering the propagation efficiency of ultrasonic waves.

As shown in FIGS. 1 and 2, the ultrasonic wave propagates through the ultrasonic wave propagation medium (Liq1) and travels toward the ultrasonic wave passing film B (23). At this time, Liq1 is pushed up by ultrasonic waves. Since the membrane B of the present invention has a downwardly convex arch shape and is configured to disperse the stress in the lateral direction of the membrane, the membrane surface is stable even when subjected to the force pushed up by the ultrasonic waves. ing. Therefore, the atomization target liquid can be completely consumed to the end without reducing the atomization efficiency.

When the ultrasonic wave passage film is a flat type as in the prior art, the film surface tends to become unstable when pressure is applied from below. As a result, bubbles may enter between the ultrasonic propagation medium and the film, resulting in poor energy propagation efficiency. In the structure of the conventional ultrasonic wave passage film, it is difficult to completely consume the atomization target liquid to the end without reducing the atomization efficiency. Therefore, unlike the present invention, the drive is usually stopped with a certain amount of liquid remaining.

In the present invention, even if bubbles are generated between the ultrasonic propagation medium (Liq1) and the ultrasonic wave passing film B (23), the bubbles (BL) move around along the curved surface of the film B. Therefore, an air layer is formed at the interface, and the atomization efficiency does not decrease. Atomization is stable for a long time.

The container (19) for containing the ultrasonic propagation medium (Liq1) is provided with an ultrasonic propagation medium deformation adjusting mechanism (205) for deforming the interface of the medium into an arch shape. The adhesion property between (24) and the ultrasonic wave passage film B (23) is good, and the loss of ultrasonic wave passage is small. That is, the atomization efficiency is good.

The downwardly convex arch surface can hold a small amount of the liquid to be atomized and can be used up. By injecting the next atomization target liquid after it has been used up, the chemical substances mixed in the mist can be switched to clear.

In addition, since the small liquid container can be easily detached, the chemical substance contained in the mist can be switched by replacing the container.

The ultrasonic propagation medium (Liq1) can be sealed with the ultrasonic wave passage film A (24) (see FIG. 2). Since the outside air can be blocked, the ultrasonic wave propagation medium is less corroded and deteriorated. Therefore, the medium does not need to be replaced or the replacement period can be greatly increased.

Since the small liquid container (20) is easy to remove, the container can be easily cleaned. Further, since the ultrasonic passage film A appears on the surface with the container removed (see FIG. 2C), the cleaning of the surface of the small liquid container holding mechanism (203) and the ultrasonic passage film A is performed. Easy. In other words, maintainability is very good.

As shown in FIG. 3, since the ultrasonic passage film B (23) has a downwardly convex arch shape and is configured to disperse the stress in the lateral direction of the film, the film B is formed in a gel-like shape. It can be firmly pressed against the ultrasonic propagation medium (GL). Thus, there is no air layer between the medium and the film B. Therefore, there is little propagation loss of ultrasonic waves, and stable atomization can be realized.

Further, since the ultrasonic wave propagation medium deformation adjusting mechanism (205) is provided, the interface of the gel ultrasonic wave propagation medium is easily deformed into an arch shape. The adhesion property between Liq1 and the ultrasonic wave passing film B (23) is good, and the ultrasonic wave propagation loss is small. That is, the atomization characteristic is good.

As shown in FIG. 4, since the ultrasonic wave passing film A (24H) of the arch type hard material thin film is provided at the interface of the ultrasonic wave propagation medium (Liq1), even when the medium is pushed up by ultrasonic waves. Since the medium flows as indicated by a broken line (MV) in the figure, the film A is stable. Therefore, the ultrasonic wave can be efficiently propagated to the ultrasonic wave propagation medium (Liq3) on the film A, the ultrasonic wave passing film B (23) thereon, and the atomization target liquid (Lig2). Air bubbles are less likely to occur.

Even when bubbles are generated, the bubbles (BL) easily move around as shown in FIG.

As shown in FIG. 5, Liq1 is less deteriorated because it is in a sealed container. When the small liquid container (20) is removed at the time of disassembly and cleaning, the ultrasonic passage film A (24H) appears, so that cleaning such as wiping the surface is easy.

FIG. 1 shows a first embodiment of the present invention, in which a soft material thin film 24 is used for the ultrasonic passage film A, and a hard material thin film 23 is used for the ultrasonic passage film B of the small liquid container 20, and various chemical substances are contained. A mist generating device that atomizes and discharges liquid.

FIG. 1A is a view of a vertical section of the apparatus as viewed from the side. 05 is a liquid atomizing means, 06 is a lower housing, 04 is an upper housing, 40 is an ultrasonic transducer, and 41 is an attachment of the transducer. , 19 is a container in which the ultrasonic propagation medium Liq1 is placed so as to fill the vibration surface 40F, 205 is an ultrasonic propagation medium deformation adjustment mechanism, 10 is a liquid container that supplies the atomized liquid Liq2 to the small liquid container 20, and 203 is This is a small liquid container holding mechanism for detachably mounting 20. FIG. 1B shows a rotation operation mechanism of the liquid injection nozzle of the liquid container 10.

Liq1 uses water W, and Liq2 uses fragrance-containing water Wa containing fragrance a in water W. In addition to water, alcohol, oil, liquid resin, silicon resin, or the like can be applied to Liq1. High thermal conductivity is desirable. For Liq2, liquid medicine, alcoholic beverages, alcohol, liquid with bactericidal action, liquid with deodorizing effect, liquid insecticide, and other chemical substance-containing liquid can be applied in addition to perfume-containing water.

A thin film made of silicon rubber, vinyl chloride, soft acrylic, or other resin can be used for the soft material thin film 24 that is the ultrasonic wave passing film A. The material is preferably a material whose acoustic impedance is close to that of the ultrasonic propagation medium, but may be a thin film that has a small attenuation when passing through the ultrasonic wave, even if they are different. Moreover, since it may become high temperature when focusing and passing an ultrasonic wave, a thing with high heat conductivity is desirable. The thickness is preferably as thin as 0.5 mm or less.

A thin film made of stainless steel, titanium alloy, glass, noble metal alloy, resin or the like can be used for the hard material thin film 23 which is the ultrasonic wave passing film B. The thickness is preferably as thin as 0.2 mm or less.

When the small liquid container 20 is placed on the holding mechanism 203, the ultrasonic wave passage film A (soft material thin film 24) is pressed by the arch type ultrasonic wave passage film B (hard material thin film 23). Deforms and adheres. An air layer hardly exists and ultrasonic waves pass efficiently.

Reference numeral 205 denotes a buffer space in which a part of Liq1 is deformed and moved by the deformation of the film A (24). Due to the presence of the space, the deformation of the film A is easily realized. Reference numeral 205 denotes an air chamber, which can be depressurized or pressurized. When pressure is applied, the pressing resistance increases and the degree of adhesion increases. When the pressure is reduced, the pressing force is weakened, but even a light small liquid container 20 is easily adhered. An atmospheric pressure adjustment valve not shown in the figure may be provided.

The liquid atomization operation will be described. In FIG. 1A, an ultrasonic transducer 40 is a piezoelectric plate element using ferroelectric ceramics and is driven at a high frequency of 1 megahertz or higher, preferably 2 to 3 megahertz. The higher the frequency, the smaller the fog particles, which is suitable for a scent generator. However, when increasing the frequency, a manufacturing technique for reducing the thickness of the vibrator becomes an issue. Naturally, a vibrator having a driving frequency exceeding 3 megahertz can be used if it can be manufactured.

The ultrasonic wave US exiting from the vibration surface 40F of 40 passes through the ultrasonic wave propagation medium Liq1 (W), the ultrasonic wave passage film A (24), and the ultrasonic wave passage film B (23), and the atomization target liquid Liq2 (Wa ). Liq2 is extruded by ultrasonic waves to generate a liquid column AK1. The ultrasonic waves reach the upper part of the liquid column. However, since the liquid column is limited to a predetermined height by gravity, the ultrasonic wave repeatedly reflects at the end of the liquid column and vibrates the liquid violently. Due to this vibration, the surface tension is reduced, and the liquid Wa is released as a mist ma. At the same time, the liquid drop AK2 is also released.

Reference numeral 26 denotes a liquid column guide tube. The lower end is in the liquid and the tip is thin. By making the tip thin, the ultrasonic wave is focused in the guide tube, so that the atomization efficiency increases. Further, since the lower end is in the liquid, the influence of the wave generated in 20 by the dropped liquid AK2 does not affect the inside of the guide cylinder, and is therefore effective in stabilizing the atomization. In addition, atomization will not be stabilized if the liquid level of Liq2 shakes greatly. No. 26 has the effect of preventing the liquid surface from shaking in the vicinity where the liquid column is generated.

Bubbles BL may be generated in Liq1, but since the film A (24) has an arch shape, the bubbles easily move around along the film surface as indicated by arrows in the figure. Therefore, it is difficult to cause a problem that air bubbles gather at the ultrasonic wave passing portion to lower the atomization efficiency.

Next, the release of fog will be described. 70 is an air flow generating means, 71 is a blower blade, 72 is a motor, and Air is an air passage hole. Airflow is generated in the path of the alternate long and short dash line Fg. Chemical substance-containing mist ma is released to the outside by the air flow.

The droplet-like liquid AK2 having large particles collides with the scattering liquid preventing mechanism 49 and falls. Reference numeral 50 denotes a scattered liquid recovery mechanism. An air passage hole is provided in the upper part, and the lower part constitutes a guide for returning the liquid drop to 20.

Most of the liquid drops fall along the 50 walls like AK3 and drop into the 20 liquid reservoirs one by one. At this time, a water drop sound reverberates in 20. Sb is a vibration sensor or an acoustic sensor and detects the water drop sound. This signal is converted by the audio signal generator Audio and presented as a pleasant sound by a loudspeaker not shown in the figure.

The processing by the audio includes calculating the frequency spectrum of the sensor signal and reconstructing by emphasizing or suppressing bass, medium and treble, respectively. It is also possible to generate an echo. Such frequency characteristic conversion can be performed according to the kind of fragrance. In addition, the processing includes activation processing (trigger processing) for detecting movement of the liquid and generating sound.

Citrus scents such as lemon, grapefruit, and lime, which are known as refreshing scents, have high frequency components to make them light and rhythmic water droplets. It is possible to give a change such as increasing the frequency component of the bass to make the water drop sound calm and low.

The Audio is capable of even more advanced sound processing, removes noise components that people feel unpleasant from the water drop sound or vibration sound, and fluctuates the pitch and magnitude of the sound, triggers the water drop sound or vibration sound It is possible to synthesize sounds that feel comfortable. Further, it is possible to generate sound and music from another sound source based on the trigger signal generated based on the liquid movement detection result.

Sounds that feel comfortable include the sound of water drops, the sound of suikinkutsu, the sound of rain, the sound of tidal waves, the sound of creeks, the sound of the wind, and the sound of the trees. Moreover, these timbres can be changed according to the kind of fragrance. If editing is performed so that the image of the scent matches the image of the sound, the sensory integration action of the olfactory stimulus and the auditory stimulus occurs, and the healing effect is increased.

For example, combining marine scents with the sound of sea breezes gives you an image of relaxing while listening to the sea breezes at the seaside summer resort, and combining the scent of forests with the sound of trees and the sound of creeks, You can create an image of relaxing while listening to the sound of a quiet wind.

Next, a disassembling method for cleaning will be described. The upper casing 04 is lifted and removed, and the component 50 and 27 are removed. Then, as shown in FIG. 1B, the liquid injection nozzle 101 of the liquid container 10 is rotated up and removed. And 20 can be removed. Here, RV is a liquid on-off valve / nozzle rotation mechanism. By providing the RV, the nozzle can be removed from the inside without removing the heavy liquid container 10.

When the small liquid container 20 is removed, 203 and the film A (24) appear on the surface. The dirt on this part can be wiped off lightly with paper, cotton or the like.

Since Liq1 is sealed by 19 and 24, it hardly deteriorates. In normal use, there is no need to replace it. As described above, the internal cleaning is easy and the maintainability is good.

FIG. 1 (C) is an improvement of the liquid supply means to the small liquid container 20 in the embodiment of FIG. 1 (A). 20 is provided with a mechanism 201 (plug type) that allows liquid to pass in one direction from the outside to the inside. Water W is accumulated in the liquid container 10, and the water is poured from the nozzle 102 into the liquid reservoir 21. Part of 21 forms a small liquid container holding mechanism 203. The water level 21 is determined by the position of the tip of the nozzle 102 when the on-off valve 103 is open.

When 20 is put in 21, the stopper of the one-way liquid passage mechanism 201 is opened by water pressure, and the water W enters from the liquid passage hole 202 and is filled to a predetermined water level. In the figure, a state where the water level is almost the same as the water level of 21 is shown. Further, 20 sinks and is fixed to the holding mechanism 203 by its own weight. At this time, since 23 presses 24, they are in close contact as shown in FIG. Ultrasound passes through this area with low loss.

When a chemical substance (fragrance a) is injected from the chemical substance injection means 60 in a state where water is contained in 20, the atomization target liquid Liq2 in 20 becomes a fragrance-containing liquid Wa. Since 201 forms a check valve, Wa in 20 does not flow out to 21. When Wa is atomized, a fragrance-containing mist ma is generated.

When the liquid in 20 is consumed and the water level falls, water is replenished from 10. The fragrance is gradually diluted and eventually becomes a water mist. It is usually ideal for users who enjoy fog as a humidifier and sometimes want to enjoy the scent. When the scent becomes thin, if the fragrance is added from 60, the scent is presented again. Moreover, another fragrance | flavor can be inject | poured and a fragrance can also be switched.

201 in the figure shows a check valve using a rotary weight, but it is natural that another mechanism may be used as long as it allows the liquid to pass through the container 20 in one direction. For example, a liquid unidirectional passage film may be provided in a part of 20. Details will be described later. Further, in the figure, the water level of 20 and the water level of 21 are made the same level, but it is also possible to set the water level of 20 lower than the water level of 21 using a water pressure control mechanism.

When cleaning, the nozzle opening / closing valve 103 is closed, and the nozzle 20 can be easily removed by lifting it up. Cleaning 20 is extremely simple. Regarding the cleaning of the liquid reservoir 21, after removing 20, there is a little water remaining in the 21, so that it can be easily cleaned by wiping with paper or the like. Since it is not necessary to remove the heavy liquid container 10, it is easy to use. 10 can store a large amount of distilled water or natural water. If air is kept out of the container, the water will hardly deteriorate.

FIG. 2 shows a second embodiment of the present invention, in which a soft material thin film 24 is used for the ultrasonic passage film A, a hard material thin film 23 is used for the ultrasonic passage film B of the small liquid container 20, and the liquid in the container is used. It is a fog generator that focuses and radiates ultrasonic waves.

2A is a view of the vertical cross section of the apparatus as viewed from the side, and FIG. 2B is a state where the small liquid container 20 is removed. When 20 is put on the ultrasonic wave-transmitting membrane A (24) in the same figure (B), pressure Pr is applied to the membrane B (23), but since 23 is an arch-shaped hard material thin film, it does not deform, Both come into close contact with each other and become the state shown in FIG.

205 is an ultrasonic wave propagation medium deformation adjusting mechanism for applying a uniform pressure Pr to 23 as in the case of FIG. This mechanism allows 23 to use a thinner membrane. Even a thin film can be brought into close contact with 24 because there is little deformation of the film.

The atomization operation will be described focusing on differences from the embodiment of FIG. In FIG. 2A, an ultrasonic focusing / reflecting mechanism 25 made of a concave mirror lens is provided in the container 19 into which Liq1 is placed. The ultrasonic wave US emitted from the transducer 40 is reflected by 25 and converged near the focal point Foc of the lens.

When the liquid Wa is poured into the tank 20 from the injection unit 01 and the amount of the liquid is set so that the liquid end pushed out by the ultrasonic wave is close to the Foc, the liquid Wa is locally scattered in the vicinity of the AK1C.

When the local scattering portion is set in the 23 depressions, a small amount of liquid can be atomized and used up. It is suitable for applications where chemical substances are switched by injecting the next liquid after it has been used up.

If Foc is set in the depression immediately above 23, the energy density of the ultrasonic wave passing through the film A and the film B is increased, so that the vicinity of the film through which the ultrasonic wave passes is influenced by the pushing force from below or heat generation. Receive greatly.

However, in the present invention, the film B (see 23 in FIGS. 2 and 3) is a hard material thin film and has a downwardly convex arch shape and is configured to disperse the stress in the lateral direction of the film. The film surface is stable even when subjected to the pushing-up force by the ultrasonic waves. Moreover, the influence of heat can be avoided by using metal or the like.

Even if bubbles BL are generated in Liq1, since the film A (24) has an arch shape, the bubbles are surrounded along the film surface as indicated by arrows in the figure. Easy to move to. This operation is the same as that of the embodiment of FIG.

FIG. 2D is a diagram illustrating desirable ultrasonic focusing. Reference numerals 251 and 252 denote concave mirror lenses, in which 251 is lowly focused and 252 is highly focused. In the case of H.251, the ultrasonic energy density is small, with a small difference between the vicinity of the ultrasonic wave passing film 23 and the end of the liquid Liq2. In this case, the impact of ultrasonic waves on 23 is large, and when the amount of liquid decreases, a part of the film tends to become high temperature. It causes film deterioration.

On the other hand, in the case of 252, since the ultrasonic wave near 23 is not sufficiently focused, the energy density is not higher than that in the case of 251. Therefore, the energy concentration on the film is small and the deterioration is difficult. Since the ultrasonic waves are focused at the end of Liq2, atomization occurs efficiently. As described above, it is desirable to design the concave mirror lens so that the ultrasonic wave is small at the film part and is focused at the end of Liq2.

Next, the fog release operation will be described. In AK1C, the liquid locally scatters and generates a large amount of mist ma and droplet-like liquid AK2. At the same time, highly directional ultrasonic waves are scattered in the air.

Reference numeral 27 denotes an ultrasonic reflection cylinder which introduces the scattered ultrasonic wave to create a traveling wave. The ultrasonic wave travels while being reflected upward as indicated by a solid arrow in the cylinder. Therefore, the fog generated in the cylinder is conveyed by the traveling wave.

Further, a part of the droplet liquid AK2 is vibrated vigorously by the traveling wave, and atomization is promoted. That is, a large amount of mist is created in the reflecting cylinder 27, conveyed by traveling waves, and emitted from the mist emitting cylinder 80. 80 can rotate around 27 and can change the direction of mist emission. The air flow and the fog release path are indicated by a one-dot chain line Fg.

In this embodiment, fog can be emitted only by traveling waves, but heating means can be used to accelerate the emission. HT2 is a device that heats 27 from the outside. FIG. 2C shows a state of the heating device mounted so as to be wound around the cylinder 27. When the tube is heated, an upward air flow is generated inside, so that the mist continues to rise even after being transported and released from the tube.

Here, the airflow temperature above the heating means is desirably in the range of 30 to 50 degrees in order to properly vaporize the fragrance and to raise the fog visually beautifully.

As described above, since the mist is conveyed using the ultrasonic reflecting cylinder 27 and the heating means HT2, the airflow generation device can be omitted. The movement of the mist slowly rises up and reminds me of incense smoke, so it has a healing effect. Of course, airflow generating means such as an impeller can be used according to the purpose.

The droplet liquid AK2 that has not atomized in the cylinder 27 falls and is collected in 20. Since a small amount of BR> t in the small liquid container is locally atomized and the liquid that has not been atomized returns to the small liquid container, the liquid scattering range is extremely limited as compared with the conventional mist generating device. Therefore, cleaning and switching of chemical substances are easy.

Further, since the small liquid container 20 and the ultrasonic reflecting cylinder 27 can be integrated as shown in the figure, they can be used in a cartridge type with different perfumes. If you change the cartridge according to your mood, you can enjoy various scents.

Here, when the cartridge is replaced, the driving method may be changed in accordance with 20 fragrances. For example, the atomization amount is changed, the atomization time is changed, and the like. In some cases, it may be desirable to present images and sounds that match the scent.

For this purpose, 20 can be equipped with an integrated memory circuit. Reference numeral 02 in FIG. 2A denotes an IC memory. 03 is a device for reading power supply and storage information attached to the lower housing. 02 can store drive information such as ultrasonic transducers and heating means, and atmosphere effect information such as video and music as described above. By simply mounting the cartridge in the lower housing, the information is read by 03, atomized under optimum conditions, and video and music are presented. The production effect is high.

FIG. 3 shows a third embodiment of the present invention, in which a gel-like substance GL is used for the ultrasonic propagation medium Liq1, a hard material thin film 23 is used for the ultrasonic passage film B of the small liquid container 20, and the liquid in the container is used. It is a fog generator that focuses and radiates ultrasonic waves.

FIG. 3A is a view of the longitudinal section of the apparatus seen from the side, and FIG. 3B is a state where 20 is removed. When 20 is placed on the gel-like substance GL in FIG. 5B, pressure Pr is applied to the film B (23), but the film is not deformed because 23 is an arch-shaped hard material thin film. Both come into close contact with each other and become the state shown in FIG.

Reference numeral 205 denotes an ultrasonic wave propagation medium deformation adjustment mechanism similar to the case of FIGS. The amount of deformation of the gel substance is smaller than that of the liquid, but the effect is the same.

FIG. 4 shows a fourth embodiment of the present invention, in which a hard material thin film 24H is used for the ultrasonic wave passing film A, and a hard material thin film 23 is used for the ultrasonic wave passing film B of the small liquid container 20. Is a mist generating apparatus that fills the ultrasonic wave propagation medium Liq3 and focuses and irradiates the liquid Liq2 in the container 20 with ultrasonic waves. It is the figure which looked at the longitudinal section of the device from the side. FIG. 5 is an exploded view showing a component configuration of the embodiment. The description will focus on the differences from the embodiment of FIG.

In FIG. 5, the ultrasonic wave propagation medium Liq1 (oil OL) is filled in the container 19 of the lower housing 06, leaving the space 205. How to assemble the device will be described. 20 is installed so that the edge of 20 is hung on the holding mechanism 203, and the atmospheric pressure generation case 28 to which the curved ultrasonic reflecting cylinder 29 is attached is installed on the 20. The liquid container 10 is placed on 06 and covered with the upper housing 04. This state corresponds to FIG.

In the figure, when the liquid on-off valve 103 is opened, water W is injected from the nozzle 102 into the liquid reservoir 21 and filled to the tip of the nozzle with water W. The plug of the one-way liquid passing mechanism 201 is opened by water pressure, and water W flows into 20. When the fragrance a in 60 is dropped from the upper part of 29, the 20 atomization target liquid Liq2 becomes the fragrance-containing liquid Wa. Water W intervenes between 23 and 24H and acts as the ultrasonic propagation medium Liq3.

FIG. 4B shows another embodiment of the twenty embodiment. In the figure, reference numeral 22 denotes a membrane type unidirectional liquid passage mechanism. Water W flows through the membrane as shown by the arrow Flow. Wa is obtained by injecting the fragrance a. The unidirectional function of 22 can be realized by using water pressure, using the difference in molecular weight between Liq3 (W) and Liq2 (Wa), concentration, reverse osmotic pressure, or the like. Further, the ultrasonic passage film 23 may have the function 22 described above. In that case, 22 can be omitted.

As a specific example, an example using a reverse osmosis membrane will be described. A reverse osmosis membrane (or semipermeable membrane) is a membrane that allows only molecules and ions of a certain size to pass through. When water and chemical substance-containing water are separated by the membrane, when the chemical substance has a molecular weight greater than that of water, the chemical substance cannot pass through the membrane, but water can pass through. For example, cellulose acetate used for seawater desalination etc. passes water but does not pass chemicals such as hypochlorous acid. Incidentally, the molecular size of water is about 0.38 nm, and the molecular weight of salts and fragrances is considerably larger than this, so that separation is possible. In particular, natural fragrances are often organic and have a molecular weight far greater than that of water, so separation is easy.

Accordingly, when the small liquid container 20 using a cellulose acetate film for the 22 is submerged in the container 21, the water W flows from 21 to 20. Here, when hypochlorous acid compound b having a bactericidal action is dropped into 20, liquid Liq2 becomes hypochlorous acid-containing water Wb. Hypochlorous acid does not flow out to 21. When Liq2 is atomized, the surrounding air is sterilized. When Liq2 is consumed, the water level goes down, so the water pressure at 21 becomes higher than 20, and the water flows into 20 again from 21.

As the material of the membrane, cellulose acetate, aromatic polyamide, polyvinyl alcohol, polysulfone, and the like can be used. As the structure, it can be overlapped with a net or rolled in order to increase the strength.

In addition, another advantage of using a reverse osmosis membrane (or semipermeable membrane) is that when 21 water is allowed to flow into 20 to be atomized, bacteria may be mixed in the 21 water. When the membrane is a porous membrane that does not allow bacteria to pass through, the water W in 21 is filtered and flows into 20, so that there is no bacteria in the water in 20 and a healthy mist can be released.

The unidirectional liquid passing mechanism may be a mechanism in which the stopper mold 201 and the membrane mold 22 are combined. A part of the stopper may be composed of a semipermeable membrane.

The atomization operation is the same as in the embodiment of FIG. A broken-line arrow MV in FIG. 4A is an oil flow generated by focused ultrasonic waves. Since 23 and 24H form a downwardly convex arch shape, the film surface is stable, and the bubbles BL are not easily generated on the film surface. Atomization is stable.

The generated fog ma is transported by the traveling wave generated in the ultrasonic reflecting cylinder 29 and the airflow generating means 70 and is discharged from the upper part of 29. The airflow enters from the air hole Air of the lower housing 06 as indicated by the alternate long and short dash line Fg, passes through the case 28 for generating atmospheric pressure, and exits from the lower portion of 29 to the upper portion. Since 29 has a curved line, the droplet liquid AK2 that has not been atomized collides with the wall and easily falls.

In this embodiment, as in the other cases, 28 and 20 can be simply lifted and disassembled, so that they are easy to clean and easy to maintain.

In the embodiment of FIGS. 1 to 4, although not shown in the figure, any small liquid container is used by using a plurality of small liquid containers, providing a moving mechanism in the ultrasonic transducer 40, and moving the 40. The liquid may be selectively irradiated with ultrasonic waves to be atomized. The scent can be switched at high speed.

The present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the invention in the implementation stage. Further, the above-described embodiments include various stages of the invention, and may be implemented by an appropriate combination. Furthermore, the constituent elements of the above-described embodiments can be omitted as appropriate based on the purpose, or can be supplemented by well-known conventional techniques.

(1) High-function fragrance generator: Since a small amount of perfume-containing water can be efficiently atomized, there is little waste. For this reason, a high-quality natural fragrance | flavor (natural fragrance | flavor) can be used. A high quality fragrance space can be created economically. Moreover, a fragrance can be switched by the control which puts a small amount of fragrance | flavor containing water in the small liquid container 20, and uses up and uses another fragrance | flavor containing water. In addition, since the replacement of the small liquid container is simple, it can be enjoyed by switching to various cartridges. Furthermore, if the sound is generated in accordance with the mist emission or the illumination color is changed, the healing effect is enhanced.

The fragrance generator is a hospital waiting room where demands for stress relief and pain relief are high, hotel rooms, study rooms for children who want to increase their concentration, sports practice areas where they want to eliminate sweat odors, and to induce a peaceful sleep Ideal for bedrooms, airlines serving special customers, bank lobby, conference rooms, etc. It is also effective when producing a refreshing feeling in airy places such as pachinko parlors.

Moreover, since it can comprise a small size, it can be used as an electronic incense burner which emits fog instead of smoke. Because it does not use fire, it is safe and has excellent olfactory characteristics. If the outside of the device is decorated with woodwork or porcelain sculpture, it becomes a high-class electronic incense burner.

(2) Infectious disease prevention air purifier: Some natural fragrances have the effect of enhancing immunity and repelling viruses. By releasing these as mist, they can be used as infectious disease prevention. For example, cypress, lemon and herbal scents are effective in preventing colds. Eucalyptus and peppermint are effective for hay fever. Since sodium hypochlorite has a bactericidal action, it can be used to prevent infection by dissolving and spraying in water. It is suitable for the living space of the physically weak, such as hospitals and nursing homes. In addition, since a large amount of negative ions is generated during atomization, it has a refreshing effect similar to a forest bath. It can also be linked to an air conditioner or fan heater.

(3) Scent-generating toilet; this device can be linked to the toilet bowl. When the user approaches the toilet, this is detected and a scent is generated. Since this invention can generate | occur | produce or switch a scent at high speed, it can generate a refreshing scent only while using the toilet bowl. Alternatively, chemicals for decomposing odors may be put in, fog generation operation may be performed for deodorization, and thereafter, control may be performed so as to generate a favorite scent for each user.

(4) Scent generation clock: A plurality of scents can be associated with time and used as a time signal. For example, refreshing aromas such as bergamot, lemon, peppermint, and coffee in the morning; refreshing aromas such as grapefruit and cedarwood during the day; and relaxing aromas such as lavender, rosewood, and sweet orange at night Can be released.

(5) Automobile driving support device: If you feel tired while driving, present a refreshing citrus fragrance, and if you feel annoyed by traffic jams, relax your lavender Etc. can be presented. Combined with a device that detects snoozing, it can be used as an aroma device for safe driving assistance, such as by presenting a scent to alert and giving a warning.

(6) Drug intake device; a drug can be put in the small liquid container 20 as a liquid to be atomized, atomized or vaporized, and absorbed from the lungs. It is suitable for patients who cannot absorb tablets from the stomach and are not suitable for infusion. In addition, liquor can be used in place of pharmaceuticals because of its immediate effect.

(7) Insecticide spraying apparatus: An insecticide can be sprayed in the small liquid container 20 and used as an insect repellent apparatus. Moreover, an insecticide, a fragrance | flavor, distilled water, etc. can be put into several small liquid containers, and these can be switched and atomized. When using only insecticides and vaporizing for a long time, some people are concerned about health effects such as the drug does not match the constitution, but switching between insecticides and fragrances requires the minimum amount of insecticide At the same time, the incense can change the mood and is comfortable.

(8) Atmosphere effect device: It is possible to produce a visual and olfactory atmosphere by controlling the direction and concentration of the mist and the type and concentration of the scent mixed in the mist. It can be used as a stage production device, a device for attracting customers at the store entrance, and a device for producing healing in a park. In addition, the effect of production can be enhanced by linking video, music, and the like to the fog. It can also be used for highly realistic movies and product introductions via mail order.

(9) Application to a dishwasher: By putting a liquid detergent into the small liquid container 20 and making it into a mist and diffusing it around the tableware, it is possible to clean even finely shaped dishes.

(10) Application to a refrigerator; the humidity can be controlled moderately by releasing mist into the cabinet so as to keep the freshness of the food. You may spray the liquid with bactericidal action or deodorizing.

(11) Others: Toys that emit scented simulated smoke, game devices that generate odors, disaster prevention alarm devices that notify danger by smell, robots that generate odors, harmful animal repelling devices that drive away harmful animals by smell, alcohol, etc. The present invention can be applied to a combustion apparatus for enjoying the color and smell of flame by evaporating and burning, a thin film forming apparatus for generating a crystal film using fog, and the like.

In the first embodiment of the present invention, the soft material thin film 24 is used for the ultrasonic passage film A, and the hard material thin film 23 is used for the ultrasonic passage film B of the small liquid container 20 to atomize various chemical substance-containing liquids. This is a mist generating device that discharges. In the second embodiment of the present invention, the soft material thin film 24 is used for the ultrasonic passage film A, the hard material thin film 23 is used for the ultrasonic passage film B of the small liquid container 20, and the ultrasonic waves are focused on the liquid in the container. It is a fog generating device which irradiates. In the third embodiment of the present invention, the gel material GL is used for the ultrasonic wave propagation medium Liq1, the hard material thin film 23 is used for the ultrasonic wave passage film B of the small liquid container 20, and the ultrasonic waves are focused on the liquid in the container. It is a fog generating device which irradiates. In the fourth embodiment of the present invention, the hard material thin film 24H is used for the ultrasonic passage film A, the hard material thin film 23 is used for the ultrasonic passage film B of the small liquid container 20, and ultrasonic propagation is performed between 24H and 23. It is a mist generating device that fills the medium Liq3 and focuses and irradiates the liquid in the container 20 with ultrasonic waves. It is an exploded view which shows the components structure of the said 4th Example.

01... Liquid injection means 02 to the small liquid container 20... Integrated storage circuit 03... Power feeding and signal transmission and reception circuit 04 to the integrated storage circuit 04. Liquid atomizing means 06 ... Lower housing 10 ... Liquid container 101 ... Liquid injection nozzle (rotary type)
102 ... Liquid injection nozzle (fixed type)
103... Liquid on-off valve 19... Container 20 in which the ultrasonic propagation medium Liq 1 is filled so as to fill the vibration surface of the ultrasonic vibrator... Small liquid container 201 with ultrasonic passage film B. Directional liquid passage mechanism (plug type)
202... Liquid passage hole 203... Part of a small liquid container holding mechanism 205 for detachably mounting a small liquid container 205... Ultrasonic propagation medium deformation adjusting mechanism 21. .... One-way liquid passage mechanism (membrane type)
23... Ultrasonic wave passage film B (hard material thin film) provided in the small liquid container 20
24... Ultrasonic wave passing film A (soft material thin film) provided at the interface of the ultrasonic propagation medium Liq1
24H: Ultrasonic wave passing film A (hard material thin film) provided at the interface of the ultrasonic wave propagation medium Liq1
25 .... Ultrasonic focusing and reflection mechanism (ultrasonic concave mirror lens)
251 ... Concave mirror lens (low focusing)
252 ... Concave mirror lens (high focusing)
26 ··· Liquid column guide tube 27 ··· Ultrasonic reflection tube 28 ··· Pressure generation case 29 ··· Ultrasonic reflection tube (curve tube)
40 ... Ultrasonic vibrator 40F ... Vibration surface 41 ... Ultrasonic vibrator mounting part 49 ... Liquid scattering prevention mechanism 50 ... Spattering liquid recovery mechanism 60 ... Chemical Substance (fragrance a) injection means 70... Air flow generation means (air blower type)
71 ... Blower 72 ... Motor 80 ... Mist discharge cylinder a ... Chemical substance (fragrance)
Air: Air passage hole AK1: Columnar scattered liquid (liquid column)
AK1C ·· Liquid splashing part AK2 ··· Drop-like splashing liquid AK3 ··· Liquid audio hanging on the wall ··· Acoustic signal generator BL · ············ Fog or gas release path Flow Foc passing through the membrane ... Focal point GL of ultrasonic focusing and reflection mechanism ... Gel-like substance HT2 ... Heating means (cylinder outside heating type)
Liq1 ·· Ultrasonic wave propagation medium Liq2 ·· Atomization target liquid Liq3 ·· Ultrasonic wave propagation medium ma ··· Fog MV containing chemical substance (fragrance a) ··· Liquid flow OL · ·· Oil Pr ... Pressure RV ... Liquid on-off valve / nozzle rotation mechanism Sb ... Vibration sensor or acoustic sensor US ... Ultrasonic W ... Water Wa ... Chemical Liquid containing substance (fragrance a)

Claims (2)

A small liquid container (20) having an ultrasonic transducer, an ultrasonic propagation medium (Liq1) that fills the vibration surface of the transducer, and an ultrasonic passage film B (23) for containing the liquid to be atomized (Liq2) And a small liquid container holding mechanism for guiding ultrasonic waves to Liq2 via Liq1 and the membrane B, and a lower level than the water level in order to keep the water level near the atomization operation by ultrasonic waves occurring in the small container constant. And a mechanism for injecting the liquid to be atomized (Liq2) in one direction into the container . In Claim 1, the ultrasonic wave emitted from the ultrasonic transducer is focused on the end of the atomization target liquid (Liq2) by the ultrasonic focusing and reflecting mechanism to cause the atomization operation. The fog generating apparatus characterized in that the scattered ultrasonic waves that do not contribute are guided to the ultrasonic reflecting cylinder to generate traveling waves and convey the fog to the outside .

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