WO2004021778A1 - Dispositif pour lutter contre des insectes - Google Patents

Dispositif pour lutter contre des insectes Download PDF

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Publication number
WO2004021778A1
WO2004021778A1 PCT/EP2003/008396 EP0308396W WO2004021778A1 WO 2004021778 A1 WO2004021778 A1 WO 2004021778A1 EP 0308396 W EP0308396 W EP 0308396W WO 2004021778 A1 WO2004021778 A1 WO 2004021778A1
Authority
WO
WIPO (PCT)
Prior art keywords
control
insecticide
insecticides
temperature control
heating apparatus
Prior art date
Application number
PCT/EP2003/008396
Other languages
German (de)
English (en)
Inventor
Andrew Chapple
Original Assignee
Bayer Cropscience Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer Cropscience Gmbh filed Critical Bayer Cropscience Gmbh
Priority to AU2003255326A priority Critical patent/AU2003255326A1/en
Publication of WO2004021778A1 publication Critical patent/WO2004021778A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M1/00—Stationary means for catching or killing insects
    • A01M1/02—Stationary means for catching or killing insects with devices or substances, e.g. food, pheronones attracting the insects
    • A01M1/026—Stationary means for catching or killing insects with devices or substances, e.g. food, pheronones attracting the insects combined with devices for monitoring insect presence, e.g. termites
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M1/00—Stationary means for catching or killing insects
    • A01M1/20—Poisoning, narcotising, or burning insects
    • A01M1/2022—Poisoning or narcotising insects by vaporising an insecticide
    • A01M1/2061—Poisoning or narcotising insects by vaporising an insecticide using a heat source
    • A01M1/2077—Poisoning or narcotising insects by vaporising an insecticide using a heat source using an electrical resistance as heat source
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M2200/00—Kind of animal
    • A01M2200/01—Insects
    • A01M2200/011—Crawling insects
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M2200/00—Kind of animal
    • A01M2200/01—Insects
    • A01M2200/012—Flying insects

Definitions

  • the invention relates to a device for controlling insects containing a heating apparatus and one or more insecticides in carriers.
  • heating devices are common for the volatilization of substances such as deodorants, disinfectants or insecticides in the room air.
  • the substances to be volatilized can be contained in solid carriers, such as so-called 'mats', or in liquid carriers, which are then in a vessel and released via a wick.
  • the heating devices are mainly electrically operated devices with thermally controllable elements.
  • a constant, fixed temperature setting is used by using thermocouples with positive thermal coefficients, for example shown in EP-A-0965267 and WO-A-97/02054.
  • thermocouples with positive thermal coefficients
  • Heating devices with pulse generator which is controlled by a single, fixed program, the power supply to the thermocouple (heating element) being regulated so that time intervals with higher and lower intensity are possible, as set out in EP-A-0911046.
  • heating devices known to date are used in a variety of ways to control insects, the desired effect is achieved predominantly by an excess of the insecticides to be released. The amount of insecticide used is therefore consumed faster and the duration of action is shorter than necessary. This applies in particular to heating devices with a constant, fixed temperature setting. Heating devices with a variable temperature setting, for example by manually operating a setting wheel, theoretically allow temperature control with which the intensity of the release of the insecticide can be controlled, but one is special temperature control tailored to the control of individual insect species is less practical due to the repeated manual actuation of the temperature setting for the respective time interval.
  • Heating devices with pulse generator where the pulse generator is permanently installed and controlled by a single, permanently set program, can realize an automatic temperature control between the respective time intervals, but they lack the necessary flexibility for use in the various fields of application. This applies in particular with regard to the improved duration of action of the amounts of insecticide used in each case.
  • the diversity of the application areas results from the fact that the insect species to be controlled in each case have a different, individual sensitivity to insecticides and that they occur to different extents during the course of the day.
  • the prevailing spatial conditions such as the volume of the room and the air circulation, must also be taken into account.
  • the object of the present invention is to provide a device for controlling insects which contains a heating apparatus in which one or more insecticides can be used to control a wide variety of insect species, and which, depending on the type of insect to be combated, has an improved duration of action the amount of insecticide used should be achieved.
  • a device comprising a heating apparatus which is controlled over the control period by one or more control elements variably programmed with a temperature control.
  • the temperature control programmed on these control elements is matched to the type of insect to be controlled with regard to an improved duration of action of the amount of insecticide used.
  • improved duration of action describes the product of the quantities 'effective dosage' and 'frequency of release', the effective dosage depending on the individual sensitivity of the insect species and the Frequency of delivery is determined by the actual occurrence of the insect species. To achieve the improved duration of action, therefore, only the adequately dosed amount of insecticide is released with a frequency that allows the maximum possible period of control with the amount used.
  • insect species that occur periodically throughout the day are Aedes spp. (Mosquito; strong in the evening, never at night, weak in the morning, hardly during the day), Anopheles spp. (Mosquito; weak in the evening, strong at night, weak in the morning, never during the day), Cujex spp. (Mosquito; strong in the evening, hardly at night, strong in the morning, never during the day), Phlebotomus spp. (Sand fly; strong in the evening, weak at night, weak in the morning, never during the day), Lutzomyia spp.
  • insects to be controlled with the device according to the invention are all insects which are considered harmful or annoying in the area of application; preferred are insects from the mosquito groups, for example from the Culicidae family and representatives such as
  • Vespula spp. Polistes spp .
  • the fleas for example from the Pulicidae family
  • cockroaches for example from the Blattelidae family
  • bugs for example from the family of the Cimicidae, and moths, for example from the family of the Pyralidae.
  • all areas of application come into consideration in which insects are considered harmful or annoying, preferably the protection of stored goods and materials, the hygiene sector and the domestic area, the device according to the invention being used and, if appropriate, as an embodiment of the invention in the corresponding rooms can be combined with other standard measures, such as adhesive boards or traps.
  • Heating devices are preferred which are suitable for the use of insecticides in solid and liquid carriers and which have the appropriate thermocouples for this purpose.
  • the commercially available heating devices that can use insecticides in solid carriers are, for example, devices for heating so-called 'insecticidal mats', such as those manufactured by DBK (DBK Espana SA, Parc Tecnolögic del Valles, C / Argenters 8 , 08290 Cerdanyola del Valles, Barcelona, Spain) with the types SBP MK-04 and MD4, Reckitt & Colman (Reckitt Benckiser Inc., 1655 Valley Road, PO Box 943, Wayne, New Jersey 07470-0943, USA) the type UFO 1, Godrej (Godrej Sara Lee Ltd., Pirojshanagar, Eastern Express Highway, Vikhroli (East), Mumbai 400 079, India) with the type Good Knight / Electronic Mosquito Destroyer and SC Johnson
  • the commercially available heating devices that can use insecticides in liquid carriers are, for example, liquid evaporators, such as those manufactured by DBK with types ED2 and ED4, Godrej with types Good Knight / Expert Liquidator System and Fa. Zobele (Zobele SPA, Via Fersina 4, 38100 Trento, Italy) with the types Kapo, Spira 3 and Spira 4.
  • control element is designed as an adapter in the form of a plug and socket combination between the power supply socket and the plug of the heating apparatus
  • insecticides which have the necessary physico-chemical properties and which have an active principle suitable for controlling and / or controlling insects.
  • insecticide includes not only substances for killing and / or immobilizing insects, but also substances which can lead to their expulsion from the area of application or to attraction in, for example, cases.
  • Insecticides from the groups of natural and synthetic pyrethroids are preferably used, particularly preferably Pyrethrum cinerariaefolium, (RS) -3-allyl-2-methyl-4-oxocyclopent-2-enyl (1 R, 3f?) - 2,2-dimethyl -3- (2-methylprop-1-enyl) cyclopropanecarboxylate (d-trans-allethrin), (RS) -2-methyl-3- (2-propynyl) -4-oxocyclopent-2-enyl (1 R) -cis , trans-chrysanthemate (d-prallethrin, trade name: Etoc), (-) 1 R trans 2,2-dimethyl-2- (2,2-dichlorovinyl) -cyclopropanecarboxylic acid 2,3,5,6-tetra-fluorobenzyl ester (transfluthrin ), (S) -3-allyl-2-methyl-4-oxocyclopent-2-
  • insecticides in their commercially available formulations and in the use forms prepared from these formulations, can be mixed with other active compounds, such as, for example, Fungicides or sterilants.
  • the formulations optionally contain the customary dispersants, emulsifiers, solvents, fillers or carriers which are familiar to the person skilled in the art.
  • Suitable dosages depend in particular on the type and the level of the infestation pressure from the insects and can be easily determined and determined according to the usual methods known to the person skilled in the art.
  • the carriers for the insecticides can be solid or liquid and are known to the person skilled in the art in their scope, their material and their design.
  • firm Carriers are used, for example, for active substance-containing mats (eg flat or in pillow form, hereinafter also referred to as 'insecticidal mats').
  • the mats or pillows used in this process are made of non-combustible fibers into which the insecticides and possibly other substances have been incorporated. When used, the mats or pillows are heated under controlled conditions, with the solid carriers largely behaving intimately, and the insecticides are released.
  • Liquid carriers are liquids containing active ingredients, such as vaporizable oils, to which the insecticides are added and which, for example via an electrically heated wick made of non-flammable fibers, cause the insecticides contained in the oil to be distributed in space.
  • active ingredients such as vaporizable oils
  • the insecticides are applied and / or applied to the carriers either directly or in the form already formulated. Often, e.g. Dyes and fragrances added, as well as suitable active ingredients, such as Fungicides or sterilants, to protect the carriers from natural decomposition.
  • insectsicide in the carrier substances can vary within a wide range, they are generally in the range of 0.1 to 60% by weight for mats and pillows and in the range of 0.1 to 90% by weight for oils.
  • temperature control in the sense of the invention, denotes the continuous change in the intensity of the release of the insecticide over time, which must be controlled individually for the greatest possible efficiency of the insecticide (s) used. This is done by directly regulating the current supply of the thermocouple of the heating apparatus, the current supply being longer and more frequent in moments of high intensity than in moments of low intensity. The insecticide is then released by the thermocouple of the heating apparatus.
  • the variably programmed control elements used in the device according to the invention are units in which the Information about the temperature control can be saved as a program, read and - depending on the selection - processed further.
  • the addition "variably programmed" means according to the invention that the control elements are either already provided internally with two or more programs for temperature control or can be provided externally with one or more programs for temperature control. Examples of this are the refinements and developments described below.
  • Chip cards are plastic cards with memory chip or programmable according to the definition of the Brockhaus encyclopedia (F.A. Brockhaus GmbH, Mannheim)
  • Microprocessor can also be used as a credit, telephone and ID card.
  • a preferred further development of this embodiment consists in that the chip card is combined with insecticides in carrier substances, for example in so-called 'insecticidal mats'.
  • This combination element is inserted with a handle with the chip side into the reader, so that the insecticide-containing carrier either rests simultaneously on the thermocouple of the heating apparatus or the thermocouple is immersed in it, for example over a wick.
  • Temperature control then controls the power supply to the thermocouple - directly matched to the insecticides in the solid carrier.
  • the origin, as well as the packaging and programming of the chip cards is known to the person skilled in the art or takes place according to the usual methods known to the person skilled in the art.
  • a further preferred embodiment of the device according to the invention provides for a group of several EEPROMs, one on each EEPROM Temperature control program is saved.
  • a corresponding EEPROM can be selected by means of a switching group to be operated from the outside, for example push buttons, which then regulates the current supply to the thermocouple and thus controls the release of the insecticide.
  • EEPROM is the English abbreviation for electrically erasable and programmable read-only memory (in German: electrically erasable and programmable read-only memory), with which a component from the Computer technology is called (further names: E2PROM, EAROM).
  • E2PROM electrically erasable and programmable read-only memory
  • EAROM a component from the Computer technology
  • a preferred development of this embodiment consists in the fact that several EEPROMs are used which contain special partial programs for temperature control, which can then be combined with one another via the switching group described above. For example, sub-programs that determine the occurrence of insect species and / or their frequency during the day can be combined with other components, such as an optional sub-program that e.g. the room volume and / or the frequency of the air change are taken into account.
  • a single EEPROM can also be used for this, which contains the above-mentioned programs as separate sub-programs or 'sub-routines'. The selection and setting for the desired combination is then carried out as described above.
  • Magnetic tapes, floppy disks, disk storage and CD-ROM can be used with the appropriate reading and further processing units in a further embodiment of the device according to the invention.
  • Preferred developments of the above-mentioned configurations include additional devices, such as measuring units and sensors, with which the control element and thus the program for temperature control are coupled and can be further refined.
  • additional devices such as measuring units and sensors, with which the control element and thus the program for temperature control are coupled and can be further refined.
  • To determine a specific starting point of the program it can be linked to the time of day, for example by setting a time on a timepiece or by using a radio clock, in each case in combination with the control element.
  • a photocell in combination with the control element light and dark cycles can be taken into account.
  • measuring devices for temperature, air flow and relative humidity, as well as motion detectors in combination with the control element further important parameters can be coupled with the execution of the temperature control program.
  • the above-mentioned refinements and developments can either be connected directly to the heating apparatus, for example as a built-in, add-on or plug-on element, or as an adapter, for example in the form of a plug and socket combination between the power supply socket (power source) and the plug of the heating apparatus can be used.
  • the device according to the invention thus offers the possibility of adapting to the respective, in some cases individual, requirements for targeted control of the insects which occur at very different times.
  • the requirements are also determined by the respective location. For example, different room volumes as well as the different levels of air exchange in rest, lounge and transit rooms can be taken into account individually during the day.
  • the temperature control adapted to the above-mentioned conditions thus brings about the greatest possible efficiency of the insecticides used, which manifests itself, for example, in a longer period of use of a given amount of the insecticide or in a lower requirement for insecticide for a given period of time.
  • the device according to the invention therefore also results in the least possible exposure of the user to the insecticides used, an effect which is of particular importance in the home.
  • a higher level of safety during use is achieved.
  • the device according to the invention delivers the corresponding chip card together with the insecticide-containing carrier material belonging to the heating apparatus part. This gives the user the certainty that the subsequent delivery will take place with the optimal temperature control for the insecticide present in the carrier. Overheating of sensitive insecticides is therefore impossible.
  • control element is designed as an adapter in the form of a plug and socket combination between the socket of the energy supply and the plug of the heating apparatus, existing heating apparatuses, for example with a constant, fixed temperature setting, retrofitted and thus continue to be used.
  • FIG. 1 circuit diagram of the experimental apparatus
  • FIG. 2 evaporation rate of an insecticide over time with constant, fixed temperature control (prior art)
  • FIG. 3 evaporation rate of an insecticide over time with a variably programmed temperature control (according to the invention)
  • FIG. 6 circuit diagram of an embodiment of the control element
  • FIG. 1 shows the circuit diagram of the control element of a device according to the invention, in which the control element can later be implemented as an adapter in the form of a plug and socket combination between the power supply socket and the plug of the heating apparatus, in order to convert existing heating apparatuses, e.g. with a constant, fixed temperature setting.
  • the results shown in FIG. 5 were determined with this embodiment.
  • a relay card (2, 3) was connected via the parallel interface of a personal computer, which was controlled via the program used for variable temperature control, here specially tailored to combat the mosquito species Aedes aegypti. The switching capacity of the relay card was not sufficient to switch the 230V mains voltage directly.
  • a 24V power supply unit (1) was therefore used to control a 24V relay (3) via the relay card, which could switch the 230V / 8A for the thermocouple of the heating apparatus (1, 2, 3). This then switched the socket (4), which supplied a commercial heating apparatus with constant temperature setting, for this 'insecticidal mats', with electricity.
  • Figure 2 describes the state of the art and shows in a stylized form, expressed as the evaporation rate [mg xh "1 ], the amount of an insecticide (m) from a heating apparatus, given off over time (t) from hours [h] (5) at a constant Temperature setting (6), the temperature (T) being 150 ° C.
  • FIG. 3 describes a device according to the invention and shows, in comparison to FIG. 2, also in a stylized form, expressed as an evaporation rate [mg xh "1 ], the amount of an insecticide (m) released from a heating apparatus over time (t) of hours [h] (7) when using a control element with variably programmed temperature control (8).
  • T temperature
  • the amount of insecticide released was set to a constant level in the next few hours (9), which prevented the occurrence of the harmful or annoying insects over the period of more than 8 hours after the start, the comparison period to FIG. 2 (10). This resulted in extended protection compared to the prior art with the same amount of insecticide used.
  • FIG. 4 describes the prior art and shows the weight loss of the composition No 18 (m) insecticide composition in milligrams [mg] from a so-called 'insecticidal mat' in a heater with a constant temperature setting of 150 ° C. over the course of time (t) of hours [ H].
  • the originally used amount of the insecticide composition (20 mg) is almost completely used up after 13 hours (11) under these conditions and no longer provides protection, for example against mosquitoes.
  • FIG. 5 describes a device according to the invention and shows the killing time for 50% of the mosquitoes tested (KT50) in minutes [min] by means of the insecticide Composition No 18 from a so-called 'insecticidal mat' in a semi-logarithmic representation (12) using the one in FIG 1 described embodiment of the device according to the invention (note: low KT50 values indicate high effectiveness).
  • the temperature control was adapted to the mosquito species Aedes aegypti and its occurrence over the course of the day, with the symbols T 100 ° C and T 150 ° C identifying the respectively controlled temperature in the course of the temperature control.
  • the same amount of insecticide as in FIG. 4 was used in this experiment.
  • FIG. 6 shows the circuit diagram of an embodiment of the control element (use: EEPROM).
  • the control element contains one or a group of EEPROMs (16) which contain programs for temperature control and which are selected by a switching group (17). These switch the energy supply of an electrical thermocouple (20), which causes the release of one or more insecticides from carriers (21).
  • the control element can be implemented by measuring units (18), e.g. a radio clock, and / or by sensors (19), e.g. a photocell.
  • FIG. 7 shows the circuit diagram of an embodiment of the control element (use: chip card).
  • the control element contains one or more chip card readers (22) into which one or more chip cards (23) containing programs for temperature control can be inserted. These switch the energy supply of an electrical thermocouple (20), which the
  • the control element can be implemented by measuring units (18), e.g. radio clock; and / or by sensors (19), e.g. Photocells; be expanded.
  • the control element of the experimental apparatus containing a programmable relay card, power supply, plug and socket combination (circuit diagram, Figure 1), was set so that the mosquito species Aedes aegypti and its occurrence during the day could be detected by the programmed temperature control ,

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  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Engineering & Computer Science (AREA)
  • Insects & Arthropods (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Catching Or Destruction (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

L'invention concerne un dispositif pour lutter contre des insectes, comprenant un appareil de chauffage (20), un ou plusieurs insecticides placés dans des supports (21) et un ou plusieurs éléments de commande (16) programmé(s) de manière variable avec un système de pilotage de la température, lesdits éléments de commande commandant l'appareil de chauffage au cours d'une période de lutte contre les insectes, en fonction d'une sélection (17) et en fonction des besoins. L'élément de commande peut comporter en outre des dispositifs supplémentaires, par exemple des unités de mesure (18) et des détecteurs (19) couplés au système de pilotage de la température.
PCT/EP2003/008396 2002-08-16 2003-07-30 Dispositif pour lutter contre des insectes WO2004021778A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003255326A AU2003255326A1 (en) 2002-08-16 2003-07-30 Device for combating insects

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2002138428 DE10238428A1 (de) 2002-08-16 2002-08-16 Vorrichtung zur Bekämpfung von Insekten
DE10238428.2 2002-08-16

Publications (1)

Publication Number Publication Date
WO2004021778A1 true WO2004021778A1 (fr) 2004-03-18

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ID=30469805

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Application Number Title Priority Date Filing Date
PCT/EP2003/008396 WO2004021778A1 (fr) 2002-08-16 2003-07-30 Dispositif pour lutter contre des insectes

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AU (1) AU2003255326A1 (fr)
DE (1) DE10238428A1 (fr)
WO (1) WO2004021778A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007033284A1 (de) * 2007-07-17 2009-01-22 Sari Maria Mahmoudi Verfahren zur Abwehr von Schaben und Vorrichtung zur Durchführung des Verfahrens

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0911041A2 (fr) * 1997-10-27 1999-04-28 FALP S.r.l. Dispositif de vaporisation électrique de substances actives
EP0965267A1 (fr) * 1998-03-26 1999-12-22 ZOBELE INDUSTRIE CHIMICHE S.p.A. Vaporisateur du type PCT pour des insecticides et des parfumes
GB2347860A (en) * 1998-10-15 2000-09-20 Pankhurst Design & Development Air freshener
WO2001050849A1 (fr) * 2000-01-13 2001-07-19 Bayer Aktiengesellschaft Puce a matiere active et a element chauffant integre
US6264548B1 (en) * 1999-09-15 2001-07-24 Transcents, Inc. Dispensing system and method
US20020066967A1 (en) * 2000-07-27 2002-06-06 Bartsch Eric Richard Dispensing device for dispensing scents

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0911041A2 (fr) * 1997-10-27 1999-04-28 FALP S.r.l. Dispositif de vaporisation électrique de substances actives
EP0965267A1 (fr) * 1998-03-26 1999-12-22 ZOBELE INDUSTRIE CHIMICHE S.p.A. Vaporisateur du type PCT pour des insecticides et des parfumes
GB2347860A (en) * 1998-10-15 2000-09-20 Pankhurst Design & Development Air freshener
US6264548B1 (en) * 1999-09-15 2001-07-24 Transcents, Inc. Dispensing system and method
WO2001050849A1 (fr) * 2000-01-13 2001-07-19 Bayer Aktiengesellschaft Puce a matiere active et a element chauffant integre
US20020066967A1 (en) * 2000-07-27 2002-06-06 Bartsch Eric Richard Dispensing device for dispensing scents

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007033284A1 (de) * 2007-07-17 2009-01-22 Sari Maria Mahmoudi Verfahren zur Abwehr von Schaben und Vorrichtung zur Durchführung des Verfahrens

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AU2003255326A1 (en) 2004-03-29
DE10238428A1 (de) 2004-02-19

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