JP2001299889A - Fan type drug diffusing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fan type drug diffusing device which is simple in the structure within a device body and can be downsized. SOLUTION: The device body 1 is internally provided with a fan type blower 11 such that air flows from an intake port 29 to an air exit 18. A fan 13 of the fan type blower 11 is formed to a shape having a space part 21 in which the air passes. The space part 21 is internally provided with a body 23 impregnated with effective components, by which the need for a space for providing the inside of the device body 1 with the body 23 impregnated with the effective components may be eliminated, the structure in the device body simplified and the device downsized.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing volatile chemicals such as insecticides, insect repellents, fragrances, deodorants, etc. by passing air through an active ingredient impregnated body using a fan type blower powered by a motor. The present invention relates to a fan-type drug diffusion device for diffusing an active ingredient.

[0002]

2. Description of the Related Art There is known a fan-type drug diffusion device for diffusing active ingredients of volatile chemicals such as insecticides, insect repellents, fragrances, and deodorants into the atmosphere such as indoors by wind power. This typical fan-type drug diffusion device has an intake port for taking in air from the outside air and an exhaust port for discharging the taken-in air in the main body of the device, and a motor is provided in a ventilation passage between the intake port and the exhaust port. A fan type blower serving as a source, an active component impregnated body impregnated with an active component are arranged, and a storage chamber for a battery for supplying power to a motor is provided in the apparatus main body. The active ingredient-impregnated body is disposed in a ventilation flow path between an intake port and a fan, or in a ventilation flow path between a fan and an exhaust port, and rotates the fan to ventilate the impregnated body. It is of a type in which components diffuse into the atmosphere from the exhaust port.

Further, as disclosed in Japanese Utility Model Application Laid-Open No. 6-4393, a second fan-type drug diffusion device is known in which a fan of a fan-type blower contains a volatile agent.

[0004]

The above-described typical fan-type drug diffusion device has a fan-type blower and an active ingredient impregnated body in the main body of the device, and has a ventilation passage formed in the main body of the device. Therefore, the device has a complicated structure and a large size. In addition, since the arrangement of the active ingredient impregnated body and the fan is restricted such that the active ingredient impregnated body can efficiently ventilate, the structure tends to be complicated and large. When a battery is used as a power source, the space for storing the battery is further complicated and large. In particular, the position of the active ingredient impregnated body determines the size of the apparatus main body and the difficulty of the structure.

[0005] The second fan-type chemical vaporizer which makes the fan function as an active ingredient-impregnated body solves the problem of the arrangement position and simplifies the structure of the device. Many problems such as durability (brittleness, etc.), impregnation amount (trace amount, etc.) of the active ingredient or replacement time in the case of a replaceable fan, high cost, etc. have to be solved, and the utility is poor.

Accordingly, an object of the present invention is to provide a fan-type drug diffusion device which can solve the above-mentioned problems.

[0007]

According to a first aspect of the present invention, there is provided an intake port 2;
A fan blower 11 having a fan case 12, a fan 13 and a motor 14 is provided in the apparatus main body 1 having an exhaust port 9 and an exhaust port 18 so that air can flow from the intake port 29 to the exhaust port 18. 11 fans 13
A fan-type drug diffusion device having a shape having a space 21 through which air flows, and an active ingredient impregnated body 23 provided in the space 21.

The second invention is a fan-type drug diffusion device in which the active ingredient impregnated body 23 is fixed to the fan case 12 or the device main body 1 in the first invention.

A third invention is a fan-type drug diffusion device according to the first or second invention, wherein the active ingredient impregnated body 23 is detachably provided in the space 21.

[0010]

According to the first aspect of the present invention, the active component impregnated body is provided in the space portion of the fan.
Only the fan-type blower 11 may be provided therein, and a space for providing the active ingredient impregnated body 23 is unnecessary. Thereby, the inside of the apparatus main body has a simple structure, and the apparatus can be downsized. In addition, there is no restriction on disposing the active ingredient-impregnated body in the apparatus main body 1, and the degree of freedom in design is increased. Further, the durability of the fan is not reduced, and the amount of the active ingredient can be made sufficient.

According to the second invention, the active ingredient impregnated body 23
Does not rotate with the fan 13, the rotation resistance of the fan 13 does not increase, and the driving force of the fan 13 is not wasted.

According to the third aspect, only the active ingredient impregnated body 23 can be replaced without replacing the fan 13, which is economical.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 1 and 2, an apparatus main body 1 has a substantially rectangular box shape on one side 2 and another side 3. FIG. The one side portion 2 has a substantially rectangular side plate 2a and first, second, third, and fourth end plate 2b, 2 which are continuous with the peripheral edge of the side plate 2a.
c, 2d, 2e, a substantially rectangular box shape with one side surface opened, and a third end face plate 2 of a first end face plate 2b and a second end face plate 2c opposed to each other.
A partition plate 4 having a substantially U-shaped cross section is fixed to the position d, and partitions the inside of the apparatus main body 1 into a large fan-type blower storage section 5 and a battery storage chamber 6. An opening 7 is provided in the third end face plate 2d.
The opening 7 is closed by a lid 8. By removing the lid 8, a battery 9 can be inserted into the battery storage chamber 6,
You can put it out.

The other side 3 has a flat plate shape, and the first side 2
-It is detachably attached to the opening 10 formed by the second, third, and fourth end face plates 2b, 2c, 2d, 2e. For example, it can be mounted by snap-fitting or can be freely opened by a hinge.

The fan-type blower 11 includes a fan case 12, a fan 13, and a motor 14, and is provided in the fan-type blower housing 5. The fan case 12 has one side plate 12a, another side plate 12b, and a peripheral plate 12c. A concave portion 15 is formed at the center of the one side plate 12a, and a motor 14 is attached to the concave portion 15. A large-diameter hole 16 is formed in the other side plate 12b to have a donut shape. A discharge port 17 is formed in the peripheral face plate 12c, and the discharge port 17 is continuous with an exhaust port 18 formed in the first end face plate 2b.

The fan 13 is in the form of a centrifugal fan in which a number of blades 13b are radially fixed to a portion near the outer periphery of the rotating disk 13a, and a portion near the center of the rotating disk 13a is recessed toward the other side plate 12b. It has a tubular portion 19 and a flat plate portion 20 in a shape, and an annular space portion 21 is formed between the tubular portion 19 and the blade 13b. This space 21 is the other side plate 12
The opening b is open to the outside from the suction port 22 between the large-diameter hole 16 of FIG. The rotating shaft 14 a of the motor 14 is connected to the flat plate portion 20, and the fan 13 is rotated by driving the motor 14.

An effective component impregnated body 23 is detachably provided in the space 21 of the fan 13. The active ingredient impregnated body 23 has a hollow donut-shaped housing 24 and a large number of active-particulate processed products 25 put in the hollow part, and the housing 24 is moved from the suction port 22 into the space 21. The mounting piece 24a of the housing 24 is fixed to the other side plate 12b with a screw 26. The housing 24 has an air outlet 27 facing the blade 13b and an air inlet 28 facing the other side member 3.
Reference numeral 8 faces the intake port 29 of the other member 3. The other side member 3 is provided with a ventilation guide 30.

When the fan 13 is rotated by the motor 14, air flows through the inlet 29, the air inlet 28, and the inside of the housing 24, and is ventilated through the granulated workpiece 25 through the air outlet 27, the discharge port 17, and the exhaust port 18. Is volatilized. At this time,
Since the active ingredient impregnated body 23 does not rotate, the rotation resistance of the fan 13 does not increase.

Also, while removing the other side member 3, the screw 26
By loosening, the active ingredient impregnated body 23 can be pulled out from the space portion 21 and taken out of the apparatus main body 1, so that the active ingredient impregnated body 23 can be replaced.

Next, another embodiment of the present invention will be described. In the present embodiment, the ventilation direction is the fan type blower 1
1 rotation axis (rotation axis 14a of motor 14)
It is set so that it is located in the direction and sucks from the lower surface and discharges from the side surface.However, the air is blown in the ventilation direction of sucking in from the side surface and discharging to the side surface, or in the ventilation direction of sucking in from the upper surface and discharging to the side surface. 18 can be freely set. Further, it is also possible to position the rotation axis of the fan-type blower 11 (the rotation axis 14a of the motor 14) in the horizontal (front-rear) direction, so that the fan-type blower 11 can be installed vertically in a gap or the like. The device form can be selected according to the purpose of use.

As the fan 13 of the fan-type blower 11 used in the present invention, a centrifugal fan that gives energy by centrifugal force when the flow flows from the axial direction to the radial direction is used. This centrifugal fan having many blades 13b
It has many blades 13b whose width is wide and low,
It is preferable because there is no blade around the center of rotation of the structure and the space is provided. Further, the centrifugal fan is preferable because it has a high blowing capacity and a small size. For example, a turbo fan, an airfoil fan, a limit load fan, a radial fan, a multi-blade fan and the like can be exemplified. In addition, it is preferable that the centrifugal fan be disposed in a spiral chamber designed to efficiently collect and exhaust air generated by the rotation of the fan.

The active ingredient impregnated body 23 provided in the space 21 of the centrifugal fan is used as a processed product or molded product containing a volatile agent. For example, a processed product obtained by treating the active ingredient by spray coating or the like, or a product obtained by housing the processed product in a housing having air permeability as in FIGS. 1 and 2,
Alternatively, a molded article such as a synthetic resin containing an active ingredient may be used. The material forming the processed product and the molded product is not particularly limited as long as it can sufficiently contain the active ingredient and can release the contained active ingredient by blowing. For example, papers such as pulp, filter paper and cardboard, natural fibers such as cotton, wool and hemp, chemical fibers such as polyester, nylon and polyolefin, carbon fibers, glass fibers, ceramics, polyolefins, polyvinyl chloride, and highly absorbent polymers And the like, a nonwoven fabric, a porous natural substance, and the like.

The shape of the active ingredient-impregnated body is not particularly limited as long as it can be arranged in the space of the centrifugal fan. For example, a frame, such as a circle, a semicircle, a square, and a polygon, and a hollow body, such as a donut, may be used. The size of the shape is not particularly limited as long as it can be easily arranged in the space and does not impair the rotation of the fan. Furthermore, regarding the thickness and length related to the active ingredient content,
It may be set according to the purpose of use. At this time, the length can be designed to be larger than the space.

In the present embodiment, the arrangement of the active ingredient impregnated body 23 is such that a housing 24 accommodating a granular processed product 25 of the active ingredient is inserted into the space of the centrifugal fan and fixed to the casing. However, it is also possible to apply an insertion opening to the apparatus main body (an intake port 29 of the other side portion 3) provided with a separate fixing plate which is fixed to the apparatus main body and fixed thereto. Further, the fixing means is not limited to the screw, and any known means such as a fitting method, a plugging method, an adhesive method, and a covering method can be applied. It is preferable to select the fixing means according to the form of the active ingredient impregnated body designed according to the purpose of use.

The battery 9 as a power source for driving the fan type blower 11 is a primary battery such as an alkaline dry battery, a manganese dry battery, a button dry battery, an air battery, a lithium ion battery, a secondary battery such as a nickel-cadmium battery or a lithium ion battery. And the like. As a use form, when used,
The type of battery (such as alkaline or manganese or single or single), the number, and the connection method (series or parallel) can be arbitrarily determined in consideration of the usage period, the type of motor and fan, and the like.

A commercial power supply (100 V) can be used as a power supply for driving the fan-type blower 11. In this case, a built-in or external DC converter is required.

Further, the fan-type drug diffusion device of the present invention is not limited to the dedicated device shown in FIGS. 1 and 2, but can also be applied to home and business appliances using a centrifugal fan. It can also be used to control pests, deodorize foul odors, emit scents, etc.

The present invention is effective and advantageous as a battery-powered portable device that can be used anywhere without being particularly limited by the installation location.

The volatile agents used in the present invention include insecticides,
Various chemicals used as insect repellents, fragrances, deodorants and the like can be mentioned. The insecticide is preferably a pyrethroid insecticide, and among them, at least one selected from transfluthrin, terarethrin, prarethrin, framethrin, allethrin, and empensrin. Further, the growth control agent is preferably at least one selected from pyriproxyfen, methoprene, and hydroprene.

An antioxidant and / or
Alternatively, by blending an ultraviolet absorber and / or blending an ultraviolet absorber in the impregnated body case, the present invention can be used stably for a long period of time. There is also an advantage that it can be used outdoors.

As an end point indicating method, which is an essential function required for the preparation, a lipophilic anthraquinone dye is used for a hydrophilic impregnated material, and the color can be recognized when dissolved in a drug solution, and the dye can be recognized when the drug evaporates. Using a phenomenon in which the color penetrates into the impregnated body and the color cannot be recognized, a variable color comprising an electron-donating color-forming organic compound and a desensitizer, an electron-donating color-forming organic compound, a desensitizer and a color developer Examples of the method include a method using a dye, and a method in which the sublimation rate of the sublimation agent and the evaporation rate of the drug are substantially matched. These can be used alone, but the combination of a change in color tone and a sublimator increases the feeling of use and is more preferable. Adjustment of the sublimation speed can be arbitrarily controlled by the area of the vent provided in the sublimation agent-enclosed case.

The use of the following insecticides and / or repellents at any ratio to these active ingredients as a mixture is not limited at all.

For example, when used for the purpose of insecticide, various conventionally used transpirant insecticides can be used, and pyrethroid insecticides, carbamate insecticides,
Organic phosphorus insecticides and the like can be mentioned. In general, pyrethroid insecticides are preferably used because of their high safety, and the following are particularly preferable. -Generic name: Chemical name (trade name, manufacturer) * Arlesrin; dl-3-allyl-2-methyl-4-oxo-2-cyclopentenyl dl-cis / trans-
Chrisante Mart (Pinamine, Sumitomo Chemical Co., Ltd.). * Dl-d-T80-aresulin; dl-3-allyl-
2-methyl-4-oxo-2-cyclopentenyl d-
Cis / trans-chrysanthemate (Pinamine Forte, Sumitomo Chemical Co., Ltd.). * Dl · dT-aresulin; dl-3-allyl-2-
Methyl-4-oxo-2-cyclopentenyl d-trans-chrysanthemate (bioaresulin). * D · dT-aresulin; d-3-allyl-2-methyl-4-oxo-2-cyclopentenyl d-trans-chrysanthemate (esviol). * D · d-T80-Praletrin; (+)-2-methyl-4-oxo-3- (2-propynyl) -2-cyclopentenyl (+)-cis / trans-chrysanthemate (Ettok, Sumitomo Chemical Co., Ltd.) (stock)). * Resmethrin; 5-benzyl-3-furylmethyl d
l-cis / trans-chrysanthemate (chryslon,
Sumitomo Chemical Co., Ltd.). * Dl · d-T80-resmethrin; 5-benzyl-3
-Furylmethyl d-cis / trans-chrysanthemate (Chrislon Forte, Sumitomo Chemical Co., Ltd.). * Empentrin; 1-ethynyl-2-methyl-2-pentenyl dl-cis / trans-3- (2,2-dimethylvinyl) -2,2-dimethyl-1-cyclopropanecarboxylate (vaporthrin, Sumitomo Chemical Co., Ltd.) (stock)). * Terraresulin; dl-3-allyl-2-methyl-4-
Oxo-2-cyclopentenyl-dl-cis / trans-2,2,3,3-tetramethyl-cyclopropane camboxylate (Noxulin, Sumitomo Chemical Co., Ltd.). * Transfluthrin; d-trans-2,3,5,6
-Tetrafluorobenzyl-3- (2,2-dichlorovinyl) -2,2-dimethyl-1-cyclopropanecamboxylate. * Phthalthrin; N- (3,4,5,6-tetrahydrophthalimide) -methyl dl-cis / trans-chrysanthemate (neopinamin, Sumitomo Chemical Co., Ltd.). * Dl ・ d-T80-phthalthrin; (1,3,4,4)
5,6,7-hexahydro-1,3-dioxo-2-indolyl) methyl dl-cis / trans-chrysanthemate (neopinaminforte, Sumitomo Chemical Co., Ltd.). * Flamethrin; 5-propargyl-2-furylmethyl
d-cis / trans-chrysanthemate (pinamine D,
Sumitomo Chemical Co., Ltd.). * Permethrin; 3-phenoxybenzyl dl-cis / trans-3- (2,2-dichlorovinyl) -2,2
-Dimethyl-1-cyclopropanecarboxylate (Exmin, Sumitomo Chemical Co., Ltd.). * Phenothrin; 3-phenoxybenzyl d-cis /
Trans-Chrysanthemato (Smithulin, Sumitomo Chemical Co., Ltd.). * Imiprothrine; 2,4-dioxo-1- (prop-
2-ynyl) -imidazolidin-3-ylmethyl (1
R) -cis / trans-chrysanthemate (pral,
Sumitomo Chemical Co., Ltd.). * Fenvalerate; α-cyano-3-phenoxybenzyl-2- (4-chlorophenyl) -3-methylbutyrate (Sumicidin, Sumitomo Chemical Co., Ltd.). * Cypermethrin; α-cyano-3-phenoxybenzyl dl-cis / trans-3- (2,2-dichlorovinyl) -2,2-dimethylcyclopropanecarboxylate (Agrothrine, Sumitomo Chemical Co., Ltd.). * Cyphenothrin; (±) α-cyano-3-phenoxybenzyl (+)-cis / trans-chrysanthemate (Gokilate, Sumitomo Chemical Co., Ltd.). * Etofenprox; 2- (4-ethoxyphenyl) -2-methylpropyl-3-phenoxybenzyl ether (trebon). * Tefluthrin; 2,3,5,6-tetrafluoro-4
-Methylbenzyl-3- (2-chloro-3,3,3-trifluoro-1-propenyl) -2,2-dimethyl-1
-Cyclopropanecarboxylate. * Fenpropatrin; α-cyano-3-phenoxybenzyl-cis / trans-2,2,3,3-tetramethylcyclopropanecarboxylate. * Fenfluthrin; 2,3,4,5,6-pentafluorobenzyl-dl-cis / trans-3- (2,2-
Dichlorovinyl) -2,2'-dimethyl-1-cyclopropanecarboxylate. * 1-ethynyl-2-methyl-2-pentenyl cis /
Trans-2,2,3,3-tetramethyl-1-cyclopropanecarboxylate.

Specific examples of the organophosphorus insecticide include the following. * Diazinon; (2-isopropyl-4-methylpyrimidyl-6) -diethylthiophosphate (diazinone). * Fenitrothion, MEP; O, O-dimethyl-O-
(3-Methyl-4-nitrophenyl) thiophosphate (Sumithion). * Pyridafenthion; O, O-dimethyl-O- (3-
Oxo-2-phenyl-2H-pyridazin-6-yl)
Phosphorothioate (ofnac). * Malathion; dimethyl dicarbethoxyethyl dithiophosphate (marathon). * Dipterex; O, O-dimethyl-2,2,2-
Trichloro-1-hydroxyethyl phosphonate. * Chlorpyrifos; O, O-dimethyl-O- (3,5,
6-Trichloro-2-pyridyl) -phosphorothioate. * Fenthion; O, O-dimethyl-O- (3-methyl-4-methylthiophenyl) -phosphorothioate (Vitex). * Dichlorvos; O, O-dimethyl-2,2-dichlorovinyl phosphate (DDVP). * Propetanphos; O-[(E) -2-isopropoxycarbonyl-l-methylvinyl] -O-methylethylphosphoramide thioate (Safrotin). * Abate; O, O, O ', O'-tetramethyl-O,
O'-thiodi-P-phenylene phosphorothioate. * Prothiophos; dithiophosphoric acid O-2,4-dichlorophenyl O-ethyl S-propyl ester (Toyothione). * Foxime; O, O-diethyl-O- (α-cyanobenzylideneamino) thiophosphate.

Examples of the oxadiazole insecticides include the following. * Methoxadiazone; 5-methoxy-3- (2-methoxyphenyl) -O-1,3,4-oxadiazole-2
-(3H) -on (electric).

The following are specific examples of the chloronicotine insecticide. * Imidacloprid; 1- (6-chloro-3-pyridylmethyl) -N-nitroimidazolidin-2-ylideneamine (hachixan). * Acetamiprolide; (E) -N ¹ -[(6-chloro-
3-pyridyl) methyl] -N ² - cyano -N ¹ - methyl acetone amidine (Mosupiran).

[0037]

According to the first aspect of the present invention, the fan 1
Since the active ingredient impregnated body 23 was provided in the space 21 of No. 3,
Only the fan-type blower 11 needs to be provided in the apparatus main body 1, and a space for providing the active ingredient impregnated body 23 is unnecessary. Thereby, the inside of the apparatus main body has a simple structure, and the apparatus can be downsized. In addition, there is no restriction on disposing the active ingredient-impregnated body in the apparatus main body 1, and the degree of freedom in design is increased. Further, the durability of the fan is not reduced, and the amount of the active ingredient can be made sufficient.

According to the second aspect of the present invention, since the active ingredient impregnated body 23 does not rotate with the fan 13, the rotation resistance of the fan 13 does not increase, and there is no waste of the driving force of the fan 13.

According to the third aspect of the present invention, the fan 13
It is economical because only the active ingredient impregnated body 23 can be exchanged without exchanging.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a fan-type drug diffusion device according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Device main body, 11 ... Fan type blower, 12 ... Fan case, 13 ... Fan, 14 ... Motor, 18 ... Exhaust port, 2
3 ... active ingredient impregnated body, 29 ... intake port.

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3H033 AA02 AA13 BB02 BB06 BB11 BB20 CC01 CC03 CC07 DD03 DD06 DD28 DD29 DD30 EE00 4C002 AA03 BB01 CC04 DD06 DD12 DD13 FF02 HH07 KK01 4C080 AA03 AA04 BB02 BB07 CC05 KK

Claims (3)

[Claims] 1. A fan case 12, a fan 13, and a motor 14 in an apparatus main body 1 having an intake port 29 and an exhaust port 18.
The fan 13 of the fan type blower 11 is provided with a space 21 through which air flows, and the fan 13 is provided with a space 21 through which air flows. A fan-type drug diffusion device, characterized in that an active ingredient-impregnated body 23 is provided in the device. 2. The fan-type drug diffusion device according to claim 1, wherein the active ingredient-impregnated body is fixed to the fan case or the device main body. 3. The fan-type drug diffusion device according to claim 1, wherein the active ingredient impregnated body 23 is detachably provided in the space portion 21.