JP2001292681A - Fan type apparatus for controlling insect pest - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fan type apparatus for controlling insect pests capable of affording sufficient efficacies and maintaining the sufficient efficacies over a long period when used in a living space. SOLUTION: This fan type apparatus for controlling the insect pests is capable of ventilating an impregnated material 4 of the active ingredient and vaporizing the active ingredient by driving the fan 3 with a motor 2. Furthermore, the apparatus is designed to alternately repeat driving and stopping and afford a stopping time of <=9 times the driving time at a larger quantity of electric current unconsumed in a downtime than the quantity of the electric current excessively consumed during the driving of the motor 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fan-type blower that uses a motor as a power source to ventilate an active ingredient-impregnated body to volatilize the active ingredient, thereby mainly producing mosquitoes, flies, cockroaches,
The present invention relates to a fan-type pest control apparatus for controlling sanitary pests such as mites, ants, and centipedes, and unpleasant pests, and clothing pests such as burrowing insects and iga.

[0002]

2. Description of the Related Art As a fan-type pest control device, for example, a device disclosed in Japanese Patent Application Laid-Open No. H11-308955 is known. This fan-type pest control device has a motor, a fan, a battery, and a drug holder in the main body of the device, and the battery drives the motor to ventilate the drug holder by the fan and volatilize the drug. Drive and alternately repeat the ventilation period and the ventilation suspension period,
This is a fan-type pest control device in which the ventilation suspension period is at least ten times longer than the ventilation period.

[0003] The above-mentioned fan-type pest control device is used in a storage space such as a clothes closet or a closet, so that the pest control component can be sufficiently distributed therein and a sufficient effect can be maintained for a long period of time.

[0004]

SUMMARY OF THE INVENTION The present inventors have used the above-mentioned fan-type pest control apparatus in a living space of a house,
Sufficient efficacy was not obtained.

Accordingly, the present invention has been made to solve the above-mentioned problems, and provides a fan-type pest control apparatus capable of obtaining sufficient efficacy when used in a living space and maintaining the sufficient efficacy over a long period of time. The purpose is to do.

[0006]

Means for Solving the Problems The present inventors have studied the reason why the conventional fan-type insect pest control device was not sufficiently effective when used in a living space and found the following. Was.

[0007] When a storage space such as a clothes closet or a closet is actually used, it is opened and closed about twice a day in the morning and evening, whereas a living space is frequently opened and closed because many people enter and leave. In addition, the inflow and outflow of air in the living space is remarkably higher than in the above-mentioned storage space. For this reason, if the ventilation stop period is longer than or equal to 10 times the ventilation period, the pest control component (active component) does not sufficiently spread to the living space, and sufficient efficacy cannot be obtained.

The present inventors have conducted intensive studies and experiments focusing on the above, and as a result, have arrived at the present invention.

According to the present invention, the vapor pressure at 30.degree.
× 10 ⁻⁴ mmHg or more, an active ingredient mainly composed of an agent having a function of controlling insect pests such as insecticide, miticide, growth control, blood sucking behavior inhibition, eating behavior inhibition, repellent, etc. In a fan-type insect pest control device equipped with a fan-type blower using a power source impregnated with an active ingredient to be volatilized and a motor as a power source, the fan-type blower alternately repeats driving and stopping, and the stopping time is nine times the driving time. A fan-type insect pest control device, wherein the amount of current not lost during the stop time is longer than the amount of current that is excessively consumed when the motor is driven.

[0010]

According to the fan-type pest control apparatus of the present invention described above, when used in a living space, sufficient efficacy can be obtained, and the sufficient efficacy can be maintained for a long period of time.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, an apparatus main body 1 is provided with a motor 2, a fan 3, an active ingredient impregnated body 4, and a battery 5. The battery 5 can be replaced by removing the cover 6. The motor 2 and the fan 3 form a fan-type blower, and the fan-type blower ventilates the active ingredient impregnated body 4 to volatilize the active ingredient.

The apparatus main body 1 is provided with an energization control circuit 7 for controlling energization of the motor 2 such as a timer.
By operating the operation member 8 such as a dial, the energization control circuit 7 alternately repeats energization and de-energization of the motor 2. For example, as shown in FIG. 2, the operation member 8 includes a scale 8a and a knob 8b, and the knob 8b is used by the user for the scale 8a.
The power supply time and the stop time can be set arbitrarily by adjusting to.

The energization control circuit 7 sets a drive time and a stop time in advance, and drives the motor for the set drive time by turning on the power switch, and repeatedly stops the motor for the set stop time. You may do it.

The relationship between the drive time and the stop time is as follows. The stop time is 9 times or less of the drive time, and the amount of current not lost during the stop time is greater than the amount of current consumed more than the stable current value at the moment when the motor is driven.

The stop time described above will be described. In FIG.
As shown, the current value I at the moment when the motor is driven is₁Is many
The predetermined time t ₀Stable current value I after elapse₂Becomes Mo
From the start of driving the motor until the current value stabilizes
t₀Current consumption S₁After the current value has stabilized
The time t₀Current consumption S₂More than
The amount of current consumed per minute is S₁-S₂It is. t₁it's time
Drive, and t₂When stopping only for a time, the stop time
t₂Current S not consumed in₃Is t₂× stable current
Value I₂It is.

[0016] The less than this downtime current amount S ₁ -S ₂ to t current amount S ₃ not consumed in ₂ is extra consumed during the above-mentioned motor drive, intermittently current consumption in the case of driving the amount in is greater than the amount of current consumed when driven continuously, intermittently no sense of driving, the current amount S ₃ stop time t ₂ described above that has not been consumed in its stop time t ₂ The time was set to be longer than the amount of current S ₁ -S ₂ that was excessively consumed when the motor was driven. The downtime _{t 2} is represented by the formula _{t 2>} is _{(S 1 -S 2) / I} 2.

The setting of the drive time and the stop time described above can be performed in various ways and in units of days, hours, minutes, or seconds according to the purpose. Stop, drive for 1 hour, stop for 2 hours, drive for 10 minutes, stop for 50 minutes, drive for 30 seconds,
You may stop for seconds. The stop time may be shorter than nine times the drive time, and is preferably set in consideration of the concentration of the active ingredient in the room during the stop time and the amount of decrease in the concentration of the active ingredient in the room per unit time.

The driving time is a time for giving an effective and sufficient effect to the target pest, for example, a time until 50% knockdown of Aedes albopictus (or a time until no blood sucking action occurs), or , And the time until knockdown by 50% (or the time until no harmful action occurs) is determined for the target pest, the active ingredient, the fan, and the motor.

The fan of the fan type blower used in the present invention includes a centrifugal fan that gives energy by centrifugal force when a flow flows from an axial direction to a radial direction, and a fan that blows energy when a flow flows in an axial direction. Axial-flow fans that provide energy by lift. Furthermore, examples of the centrifugal fan include a turbo fan, an airfoil fan, a limit load fan, a radial fan, and a multi-blade fan. Of the fans,
Centrifugal fans are preferred, and multi-blade fans are more preferred. Preferably, the centrifugal fan is disposed in a spiral chamber designed to efficiently collect and exhaust the wind generated by the rotation of the fan.

Alkaline batteries, manganese batteries, and the like, which are power sources for driving the fan type blower,
Primary batteries such as button dry batteries, air batteries, and lithium ion batteries, and secondary batteries such as nickel-cadmium batteries and lithium ion batteries are included. As the usage form, in case of use, considering the usage period, the type of motor and fan, etc., the type of battery (such as alkali or manganese or single or single C),
The connection method (series, parallel) can be arbitrarily determined.

The shape of the impregnated body of the active ingredient is preferably at least one selected from a honeycomb shape having a gas rectifying function, a granular shape having a large effective area, a linear shape, and a thread shape.
The material is preferably at least one selected from cellulose, polymer water-absorbing agent, polymer oil-absorbing agent, and gel from the viewpoint of retaining and / or releasing the active ingredient.

The active ingredient is preferably an insecticide or a growth regulator which is effective against pests and has high safety for humans and animals. The insecticide is preferably a pyrethroid insecticide, and among them, transfluthrin, terrareslin, It is preferably at least one selected from praletrin, framethrin, allethrin, and empensrin. Also,
The growth controlling 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-based 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 developer A method using a dye, a method of making the sublimation rate of the sublimation agent substantially equal to the evaporation rate of the drug, and the like can be mentioned. 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 in 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).

Specific examples of the chloronicotine insecticide include the following. * 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).

The following are specific examples of the growth controlling agent. * Pyriproxyfen; 4-phenoxyphenyl (R
S) -2- (2-Pyridyloxy) propyl ether. * Metoprene; 11-methoxy-3,7,11-trimethyl-2,4-dodecadienoic acid-1-methylethyl ester. * Hydroprene; ethyl (2E, 4E) -3, 7, 1
1, trimethyl-2,4 dodecadienoate. * Phenoxycarb; ethyl [2- (4-phenoxyphenoxy) ethyl] carbamate.

Specific examples of the repellent include the following. * N, N-diethyl-m-toluamide (diet). * Dimethyl phthalate. * Dibutyl phthalate. * 2-ethyl-1,3-hexanediol. * 1,4,4a, 5a, 6,9,9a, 9b-octahydrodibenzofuran-4a-carbaldehyde. * Di-n-propyl isosincomeronate. * P-dichlorobenzene. * Di-n-butyl succinate. * Capric acid diethylamide. * N-propylacetanilide. * Β-naphthol. *camphor.

The following are examples of natural essential oils and / or their components. * Citral, citronellal, citronellol, eugenol, methyleugenol, geraniol, cinamic aldehyde, linalool, perilaldehyde, nepetalic acid, methylheptenone, decylaldehyde,
Myrcene, geraniol acetate, thymol, limonene, lionell, pinene, cymene, terpinene, sabinene, elemen, cedren, elemol, pidolol, cedrol, hinokitiol, tuyaprisin, tropoloid, hinoktin, tsuyosen, borneol, camphene, terpineol, terpinyl diester , Farandrene, cineole, potassium olefin, vanillin,
Furfural, furfuryl alcohol, pinocalveol, pinocarbone, myrtenol, verbenone, carvone, oidesmol, piperiton, tsuen, funkyalcohol, methylanthranilate, bisabolene, bengaptol, nonylaldehyde, nonyl alcohol,
Nootkatone, octylaldehyde, linalyl acetate, geranyl acetate, nerolidol, ocimene, methyl anthranilate, indole, jasmon, benzaldehyde,
Plegon, etc. * The above isomers and / or derivatives. * Essential oil containing at least one or more selected from the above.

In the present invention, not only an antioxidant and an ultraviolet absorber for preventing the above-mentioned deterioration of the active ingredient but also an inhibitor for adjusting the amount of the active ingredient to be volatilized, aroma and deodorant.
A substance imparting a function such as sterilization can be arbitrarily added.

Next, test examples will be described. A blood-sucking test using Aedes albopictus (♀) was performed using the fan-type pest control apparatus shown in FIG. The motor in the fan-type pest control device is RF-330TK manufactured by Mabuchi Motor Co., Ltd.
Was used. Two alkaline AA batteries were used in series. The drug used was transfluthrin, and the impregnated body was a granular cellulose impregnated body.

The test conditions were as follows.・ Test rooms are 4.5, 8, 10 and 12 tatami mats.・ Ventilation windows of 1m x 1m were installed on one side of the four walls, and they were constantly opened. -Almost constant at room temperature of 25 ° C. -The test period was half a year (180 days).・ Those whose usage time was less than six months were replaced each time. -The measurement days were 1, 15, 30, 60, and 120 days.・ One mouse (♀) and 20 Aedes albopictus (♀) were placed in a gas-permeable gauge and placed in a room. After 24 hours, the presence or absence of blood sucking was confirmed.・ The preparation amount of the medicine was set for each tatami mat. -As a result, knockdown is 90% or more ◎, knockdown is 50% or more, ○, knockdown is less than 50%,
X was given due to blood sucking.

The test results at 4.5 tatami mats are shown in Table 1 below.

[0037]

[Table 1]

The test results for the 8 tatami mats are shown in Table 2 below.

[0039]

[Table 2]

The test results for 10 tatami mats are shown in Table 3 below.

[0041]

[Table 3]

The test results for 12 tatami mats are shown in Table 4 below.

[0043]

[Table 4]

In Test Examples 1 to 3, the use time was longer than in the case of continuous energization (Comparative Example 1), and equivalent results were obtained in terms of effects. Test Example 1 could be used three times longer than continuous use, and the efficacy was almost the same. Test example 2
Can be used 6 times longer than continuous use, with a decrease in efficacy towards the end, but no blood sucking. In Test Example 3, high knockdown was not obtained, but it was sufficiently effective in inhibiting blood sucking, and the use time was ten times longer than continuous use. In Comparative Example 2, the mosquito bites for a long time. Comparative Example 3 is sufficient in terms of efficacy, but t ₂ > (S ₁ −S ₂ ) /
Because it does not meet the conditions of I _2, in spite of the multiplied by the ON / OFF cycle, it has become shorter than those used time is continuous.

[0045]

According to the fan-type pest control apparatus according to the first aspect of the present invention, sufficient efficacy can be obtained when used in a living space, and the sufficient efficacy can be maintained for a long period of time.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a fan-type pest control device showing an embodiment of the present invention.

FIG. 2 is a front view of an operation member.

FIG. 3 is an explanatory diagram of a drive and stop cycle and a current consumption amount.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Device main body, 2 ... Motor, 3 ... Fan, 4 ... Active ingredient impregnation body, 5 ... Battery.

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2B121 AA11 AA12 AA16 CA02 CA24 CA43 CA51 CA52 CA53 CA58 CA61 CC01 CC02 CC03 CC22 DA61 EA01 4H011 AC02 AC04 BA01 BB15 BC19 DA02 DA10 DB07 DD05 DE17 DF04 DH02 DH10

Claims (1)

[Claims] 1. A vapor pressure at 30 ° C. of 1.0 × 10
^-4 mmHg or more, an active ingredient mainly composed of an agent having a function of controlling insect pests such as insecticide, miticide, growth control, blood sucking action, eating action inhibition, repellent, etc., and retains and volatilizes the active ingredient. In a fan-type insect pest control apparatus equipped with a fan-type blower using a power source impregnated with an active ingredient and a motor, the fan-type blower alternately repeats driving and stopping, and the stopping time is 9 times or less of the driving time. A fan-type insect pest control device, wherein the amount of current not lost during the stop time is longer than the amount of current consumed excessively when the motor is driven.