JP3192776B2 - Electric shock insecticide - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric shock killer for killing insects such as fly and mosquito flying in a food processing plant or a factory.

[0002]

2. Description of the Related Art FIG. 3 shows the structure of a conventional electric shock insect killer of this type. FIG. 1A is a plan view showing the entire configuration, and FIG. 1B is a cross-sectional view taken along line AA in FIG. 1A.

In FIG. 3, reference numeral 01 denotes an electrode for electric shock insect killing,
02 is an insulator for supporting the electrode 01, 03 is a step-up transformer for obtaining a high voltage for killing insects, 04 is a receiving tray for receiving insects, 05 is an insect trap lamp, and 06 is a frame.

The electrodes 01 are bar-shaped metal wires facing each other, and are electrically insulated by insulators 02, respectively. The step-up transformer 03 has a commercial frequency of AC100V
To an AC 3000 V or 7000 V (effective value), and the secondary side (high voltage side) is connected to the electrode 01. The tray 04 is a plate for receiving insects that have been killed by electric shock, and has a structure that can be removed so that it can be cleaned periodically.

The insect trap lamp 05 is a lamp for collecting insects. The insects gathered in the insect trap lamp 05 approach or come into contact with the electrode 01 while flying around the lamp 05, and are killed by an electric shock. It collects in the saucer 04.

[0006]

The above-mentioned conventional electric shock insect killer uses a step-up transformer 03 to boost a commercial power supply voltage of AC100V or AC200V to a voltage of about AC3000V to 7000V, and the electric shock insecticide is used for the electric shock insecticide. The insect is killed by the electric shock at the time of the spark discharge generated when the insect approaches or comes into contact with the electrode 01.

[0007] However, in such a conventional electric shock insect killer, only the electric shocked insects accumulate in the saucer 04 provided below the electrode 01, and the user periodically receives the insect.
4 needs to be cleaned, and therefore, when used in a food processing plant, a factory, or the like, where cleanliness is important, maintenance is troublesome, and it is liable to be eliminated, which is not preferable in terms of hygiene. In addition, since a neon transformer or the like is used for the high-voltage power supply, the weight is increased, the size is increased, and this is a major obstacle in achieving a compact design. Another problem is that it is not possible to extract a signal for controlling the collection operation when attempting to automate it.

[0008] The present invention has been made in view of the above circumstances,
It is an object of the present invention to provide a lightning and insecticide that is lightweight and compact, can collect efficiently, does not require maintenance such as cleaning, and can maintain a sanitary clean environment.

[0009]

SUMMARY OF THE INVENTION The present invention relates to FIGS.
As shown in (1), a high-voltage power supply circuit (inverter circuit 21, pulse transformer 22, rectifier circuit 23) for boosting and rectifying a commercial AC power supply to obtain a DC high voltage, and a DC high voltage obtained by the circuit are applied. Electrode 1 for electric shock and insect, and Rogowski coil 2 for detecting the generation of discharge current at the time of electric shock by the electrode
6, a current detection circuit 24, a counter 25 that counts the number of electric shocks based on the detection signal of the circuit, and a suction device that operates for a predetermined time when the counter reaches a set value and suctions the insects that have received the electric shock. (Fan 11).

[0010]

According to the present invention, there is provided an electric shock insect killer which applies a high DC voltage to electrodes facing each other and catches the insects by the electric shock of a spark discharge generated when the insect approaches or contacts the electrodes. Power supply (for example, AC100V or A
C200V) is converted into a high frequency by an inverter circuit 21 using the switching of a transistor, boosted by a pulse transformer 22, and then rectified by a rectifier circuit 23 to output a high DC voltage. By using such a high-voltage power supply circuit, the size and weight can be significantly reduced as compared with a conventional high-voltage power supply using a neon transformer or the like, and the apparatus can be made compact.

More specifically, when the commercial frequency AC 100 V is converted into a high frequency of 25 kHz by the inverter circuit 21, the voltage can be easily raised to about 3000 V to 7000 V with a conventional small pulse transformer of about 1/10 to 1/20. By converting the boosted high-frequency voltage into a direct current by the rectifier circuit 23, it is possible to realize a very compact high-voltage power supply device having the power required for electric shock killing and having a high electric shock effect.

Further, by converting the high-voltage power supply of the electric shock killer to DC as described above, it is possible to easily detect electric shock, for example, to detect a discharge current using a Rogowski coil. Since this information is almost equal to the number of insects that have been killed, it can be used as a control signal for collecting and processing the insects collected in the saucer below the electrode. Therefore, according to the present invention, the generation of the discharge current at the time of electric shock killing is detected by the Rogowski coil 26 and the current detection circuit 24, and the number of times is counted by the counter circuit 25.

When the count number of the counter circuit 25 reaches a set value, the fan 11 for sucking insects operates for a certain period of time to suck the electric shocked insects accumulated under the electrode 1, and the paper pack 10 or the like is sucked. Collect and collect with a filter.

Further, at this time, below the electrode 1, a tray 4 for receiving the electric shocked insects and an insect suction pipe 7 connected to the plate via a slit-shaped opening are provided to receive the electric shocked insects. By providing a mechanism for guiding the insects to the insect suction pipe 7 via the suction pipe 4, the collecting operation can be surely performed by eliminating the collecting. This makes it possible to automate the process of collecting insects after the electric shock insect killing, thereby facilitating maintenance and improving environmental hygiene.

[0015]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows the configuration of an electric shock insecticide according to the present invention. FIG. 1 (a) is a front view, and FIG. 1 (b) is A in FIG.
It is sectional drawing which follows the -A line. FIG. 2 is a block diagram showing a circuit configuration of the electric shock insecticide according to the present invention.

In FIG. 1, reference numeral 1 denotes an electrode for electric shock insect killing;
Is an insulator for supporting the electrode 1, 3 is a high voltage power supply for obtaining a DC high voltage for lightning insect killing, 4 is a saucer for receiving insects dropped by electric shock, 5 is a trapping lamp, 6 is a frame, 7 is an insect A suction tube, 8 is a motor for opening and closing the slit (opening) 13 of the insect suction tube 7, 9 is a duct connecting the insect suction tube 7 and the collector, 10 is a paper pack for collecting insects, and 11 is a paper pack for collecting insects. A suction fan, 12 is a guard, 13 is a slit of the insect suction pipe 7, and 14 is a bell mouth for closing the end of the insect suction pipe 7 to allow air to flow.

The electrode 1 is composed of a combination of several thin metal rods, and is electrically insulated from the frame 6 by the insulator 2, one of which is connected to the ground and the other is connected to the high-voltage power supply 3 and alternately. Are located.

The tray 4 is provided below the electrode 1 and is inclined at about 45 ° to 60 ° toward the center so that the insects falling from the electrode 1 can smoothly enter the insect suction pipe 7.
That is, the receiving tray 4 has a wide upper opening corresponding to the electrode arrangement surface, a slit-like lower opening sandwiched therebetween (a width narrow enough for insects to easily pass), and a tapered surface portion (a dish portion having an inclined surface) formed therebetween. ), And the lower opening is connected to the opening (slit portion 13) provided in the insect suction pipe 7.

The insect trap 5 is a lamp for attracting insects, and is supported by the frame 6 and provided above the electrode 1. The frame 6 includes an electrode 1, a high-voltage power supply 3, a saucer 4,
A support for fixing the components such as the insect trap lamp 5, the insect suction tube 7, the motor 8, the guard 12, and the like in place.

The insect suction tube 7 is provided with a slit 13 having a width enough to allow the insect to easily pass through the lower opening of the tray 4, and a bell mouth 14 is provided at the end. The bell mouth 14 is provided with a wire mesh to allow air to flow and to prevent insects from coming out. The insect suction pipe 7 is rotated by a motor 8 to open and close the slit 13. That is, at the time of suction by the fan 11, the slit portion 13 is closed, and air is sucked from the bell mouth 14. As a result, pressure loss at the suction portion is reduced, and collection is ensured.
In addition, the opening / closing structure of the slit portion 13 of the insect suction tube 7 is, for example, a double tube structure in which slit portions are formed with each other, or a structure in which a slit portion formed in a single insect suction tube is selectively covered with a shutter. In this case, the slit opening / closing drive mechanism is not limited to the rotary motor. For example, the slit opening / closing drive mechanism using an electromagnetic plunger or the fan 11 may be used.
An opening / closing drive mechanism utilizing the suction force of the above may be used.

The duct 9 includes a suction fan 11 and an insect suction pipe 7.
The insects which have received an electric shock and which have been guided to the insect suction pipe 7 through the receiving tray 4 are collected by the paper pack 10 through this pipe.

The guard 12 is a safety fence attached so that no one touches the electrode 1. When the guard 12 is touched, the touch sensor circuit 27 incorporated in the high-voltage power supply 3 and utilizing a change in capacitance detects the contact and turns off the output of the high-voltage power supply 3.

FIG. 2 shows the circuit configuration of the above embodiment. Reference numeral 21 denotes an inverter circuit using switching of a transistor, 22 denotes a pulse transformer for boosting a high-frequency voltage obtained from the inverter circuit 21, and 23 denotes a pulse transformer 22. This is a rectifier circuit for converting the high-voltage power supply obtained in the above into DC. Reference numeral 24 denotes a current detection circuit for detecting the generation of a discharge current on the electrode 1 of the high-voltage power supply 3 using the Rogowski coil 26. 25 is a counter circuit for counting the detection signal of the current detection circuit 24. Reference numeral 26 denotes a Rogowski coil for detecting the generation of a discharge current on the electrode 1 of the high-voltage power supply 3. Reference numeral 27 denotes a touch sensor circuit that uses a change in capacitance to detect the state of the human body when it touches the guard 12, and turns off the output of the high-voltage power supply 3 when the contact is detected. The set value count output of the counter circuit 25 (that is, a detection signal indicating that the count value has reached the set value) is supplied to a sequence control circuit (not shown) as a feedback signal. When the count number of the counter circuit 25 reaches a preset value, the sequence control circuit
The motor 8 is driven and controlled by the detection signal (the feedback signal). When the slit 13 of the insect suction pipe 7 is closed, a slit blockage detection signal is generated and the suction fan 11 is driven by the signal for a predetermined time. After that, the drive of the motor 8 is controlled again to control the slit portion 13 of the insect suction pipe 7.
Releases a set of sequence controls.

The high-voltage power supply 3 includes an inverter circuit 21 using transistor switching, a pulse transformer 22, and a rectifier circuit 23. The inverter circuit 21 uses a commercial frequency power supply (AC100V) of 25 k
Convert to high frequency of Hz. This high frequency voltage is applied to the pulse transformer 22 and is boosted to 2500 to 3000V. This high-voltage power supply is rectified by the rectifier circuit 23 and is converted to DC. The DC high voltage obtained by the high voltage power supply 3 is applied to the electrode 1 as a high voltage power supply for electric shock. Then, the insects attracted by the insect trap lamp 5 and gathered around the lamp 5 approach or contact the electrode 1 and receive an electric shock. In the discharge at this time, the current which hardly flows usually reaches, at the moment, 10 mA to 100 mA.

The current at the time of this discharge is applied to a Rogowski coil 26 provided on a low-voltage output (ground side) line of the high-voltage power supply 3.
Is detected by the current detection circuit 24, and the number of times is detected by the counter circuit 25. This count corresponds approximately to the number of dead insects. The Rogowski coil 26 has a configuration similar to that of a current transformer for an instrument used for measuring an alternating current, but since the rate of change of the current is measured, a resistor and a capacitor are connected in series to the output terminal, and the measured value is measured. The current is obtained by integration.

When the count number of the counter circuit 25 exceeds a preset value (ie, when a certain amount of dead insects accumulate in the insect suction pipe 7), the suction fan 11 is operated for a certain period of time, and Insects in the suction pipe 7 are collected in the paper pack 10. Here, the overall operation in the above embodiment will be described.

Insects attracted by the insect trap lamp 5 and gathered around the lamp 5 approach or contact the electrode 1 and receive an electric shock from a high-voltage electric power source for electric shock.
It is led to. At this time, the slit portion 1 of the insect suction pipe 7
Numeral 3 is in a released state until the count value of the counter circuit 25 becomes equal to or greater than a preset value, and is communicated with the lower opening of the tray 4.

When the number of insects guided to the insect suction pipe 7 via the tray 4 reaches a certain amount, that is, when the count number of the counter circuit 25 exceeds a preset value, the motor 8 is driven and controlled by the detection signal. Then, the slit portion 13 of the insect suction pipe 7 is closed. At this time, the insects that have been shocked by the high-voltage power supply for shocking the electrodes 1 are held in the tray 4 until the slit 13 is released again.

When the slit section 13 of the insect suction pipe 7 is closed, the suction fan 11 is driven for a predetermined time by the detection signal, and air is sucked into the insect suction pipe 7 from the bell mouth 14, and Insects in paper pack (filter)
Collected in 10.

When the suction fan 11 is driven for a certain period of time and the insects in the insect suction pipe 7 are collected in the paper pack 10, the motor 8 is driven again to release the slit 13 of the insect suction pipe 7. The above-described collecting operation is repeatedly executed.

[0032]

As described above in detail, according to the present invention, the high-voltage power supply can be reduced in weight and size, and accordingly, the device can be downsized. In addition, since DC charging is employed, the number of electric shocks can be easily detected. Insects that have been electrically shocked by the detection can be intermittently and efficiently sucked and collected, so that maintenance such as cleaning is not required, and collection can be reliably performed without elimination.

[Brief description of the drawings]

FIG. 1 is a diagram showing a structure of an electric shock insecticide according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a circuit configuration of the embodiment shown in FIG. 1;

FIG. 3 is a diagram showing the structure of a conventional electric shock insect killer.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Electrode, 2 ... Insulator, 3 ... High-voltage power supply, 4 ... Sink, 5 ...
Insect trapping lamp, 6 frame, 7 insect suction tube, 8 motor, 9 duct, 10 paper pack, 11 suction fan,
12 guard, 13 slit, 14 bellmouth, 2
REFERENCE SIGNS LIST 1 inverter circuit 22 pulse transformer 23 rectifier circuit 24 current detection circuit 25 counter circuit 2
6 ... Rogowski coil, 27 ... Touch sensor circuit.

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hiroyuki Katayama 2-1-1, Shinhama, Arai-machi, Takasago City, Hyogo Prefecture Inside the Mitsubishi Heavy Industries, Ltd. Takasago Research Laboratory (72) Inventor Yasutoshi Ueda 2-1-1, Shinama, Arai-machi, Takasago City, Hyogo Prefecture No. 1 Inside the Takasago Research Laboratory, Mitsubishi Heavy Industries, Ltd. (72) Inventor 2-28, Arai-machi, Niihama, Arai-cho, Takasago-shi, Hyogo Prefecture Inventor Koichi Minami 2-chome, Niihama, Arai-machi, Takasago-shi, Hyogo No. 8-25 Inside Takahashi Engineering Co., Ltd. (72) Inventor Toshiki Kurosawa 3-23-7 Shinjuku, Shinjuku-ku, Tokyo Inside Ikari Disinfection Co., Ltd. (72) Takashi Kurosawa 3-23 Shinjuku, Shinjuku-ku, Tokyo No. 7 Ikari Disinfection Co., Ltd. (72) Inventor Seiji Oda 3-23-7 Shinjuku, Shinjuku-ku, Tokyo Toxin Inc. (72) Inventor Jiro Takemasa 3-23-7, Shinjuku, Shinjuku-ku, Tokyo Inside Squid Disinfection Co., Ltd. (72) Keigo Shiraishi 3-23-7 Shinjuku, Shinjuku-ku, Tokyo Squid Disinfection Stock In-company (72) Inventor Kunio Terauchi 3-23-7 Shinjuku, Shinjuku-ku, Tokyo Inside Ikari Disinfection Co., Ltd. (72) Inventor Masayuki Tanaka 3-23-7 Shinjuku, Shinjuku-ku, Tokyo Inside Ikari Disinfection Co., Ltd. (56) References JP-A-63-48472 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A01M 1/22

Claims (2)

(57) [Claims] 1. A high-voltage power supply circuit for boosting and rectifying a commercial AC power supply to obtain a DC high voltage, an electrode for electric shock and insect killing to which the DC high voltage obtained by the circuit is applied, Rogowski coil and current detection circuit that detects the occurrence of discharge current, a counter that counts the number of electric shocks based on the detection signal of the circuit, and operates for a predetermined time when the counter reaches a set value to receive an electric shock. An electric shock insect killer comprising: a suction device for sucking insects. 2. An insect trap lamp provided near the electrode.
And an opening for receiving an insect that has been shocked by the electrode
Insects in the tube are closed by closing the insect suction tube and the opening of the tube
And a suction and collection device for collecting and collecting.
The electric shock insect killer according to claim 1 .