JP2010220513A - Plasma pesticidal lamp - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a plasma pesticidal lamp capable of killing insects by using a plasma more effectively than the conventional one. <P>SOLUTION: The plasma pesticidal lamp A2 includes a plasma-generating portion 3 for generating the plasma by an atmospheric microwave plasma-generating source, and plasma-controlling means 4 for allowing the plasma-generating portion to output the plasma. The pesticidal lamp also includes an insect approach-detecting sensor 7 for detecting the approach of insects and outputting a detection signal. The plasma-controlling means includes means for enabling the plasma-generating portion to enlarge the output plasma based on the detection signal input from the insect approach-detecting sensor when an insect approaches. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a plasma insecticidal lamp.

Patent Document 1 listed below discloses an ultra-small sterilization / insecticide / deodorization apparatus that can be easily used in any place.
In this ultra-small sterilization / insecticide / deodorization apparatus, an acid-resistant perforated case and the other metal or synthetic resin small case are configured in an ion / ozone generator that generates ions and ozone by plasma discharge. A substantially cylindrical electrode body is fixed in the perforated case, and a substantially elliptical electric body provided with a large number of pointed protruding electrodes on the inside surface is used as an outer cylindrical electrode body. A moderate space is provided and both ends are attached and supported. A high-voltage generating transformer is housed in a small case, and the high-voltage part of the transformer is connected to a cylindrical electrode body and a current-carrying body having a pointed protruding electrode to generate high voltage. By applying a transformer, a corona discharge is generated between both electrodes to ionize or ozonize the air.

JP 2001-54556 A

  By the way, in the above prior art, by miniaturizing the ion / ozone generator that generates ions and ozone generated in the plasma discharge, such as refrigerator, food storage, sink, bathroom, hospital room, closet, toilet, car interior, etc. Since it can be installed at any place, sterilization, insecticide and deodorization at the installation place are possible. However, in the above prior art, it is ions and ozone that exert an insecticidal / sterilizing effect, and the concentration of the ions and ozone in the space is not high. Therefore, in the above prior art, it is necessary to take time for insecticidal / sterilization, and it is possible to effectively sterilize fungi with a short moving distance per hour, but for insects that move for a long time in a short time. It is very difficult to kill insects.

  This invention is made | formed in view of the situation mentioned above, and it aims at providing the plasma insecticidal lamp which can kill insects more effectively than before using plasma.

  In order to achieve the above object, in the present invention, as a first means for solving a plasma insecticidal lamp, a plasma generating unit that generates plasma by an atmospheric pressure microwave plasma generating source, and outputting the plasma to the plasma generating unit A means of providing plasma control means is adopted.

  In the present invention, as a second solving means related to the plasma insecticidal lamp, in the first solving means, an insect approaching detection sensor that detects that an insect has approached and outputs a detection signal is provided, and the plasma control means includes: Based on a detection signal input from the insect approach detection sensor, means for enlarging the plasma to be output to the plasma generator when the insect is approaching is adopted.

  In the present invention, as a third solving means relating to the plasma insecticidal lamp, in the second solving means, the plasma control means is configured to respond to the number of approaching insects based on the detection signal input from the insect approaching detection sensor. Then, means for changing the magnitude of plasma to be output to the plasma generator in a stepwise manner is adopted.

  In the present invention, as a fourth solving means related to the plasma insecticidal lamp, in any one of the first to third solving means, the plasma control means includes a water electrolysis cell, and the plasma generation unit is provided by the water electrolysis cell. Adopts a means of generating oxygen from water for use in generating plasma.

According to the present invention, a plasma insecticidal lamp includes a plasma generation unit that generates plasma by an atmospheric pressure microwave plasma generation source, and plasma control means that outputs plasma to the plasma generation unit.
As described above, in the plasma insect lamp, the insects are collected by the high-density plasma ultraviolet rays output from the plasma generation unit composed of the atmospheric pressure microwave plasma generation source, and the insects are killed by the strong oxidizing power. Can kill insects more effectively.

It is a see-through | perspective perspective view which shows schematic structure of plasma insecticidal lamp A1 which concerns on 1st Embodiment of this invention. It is a functional block diagram of plasma insecticidal lamp A1 concerning a 1st embodiment of the present invention. It is a see-through | perspective perspective view which shows schematic structure of plasma insecticidal lamp A2 which concerns on 2nd Embodiment of this invention. It is a functional block diagram of plasma insecticidal lamp A2 concerning a 2nd embodiment of the present invention. It is a flowchart which shows operation | movement of the plasma insecticidal lamp A2 which concerns on 2nd Embodiment of this invention. It is a see-through | perspective perspective view which shows the modification of a structure of plasma insecticidal lamp A2 which concerns on 2nd Embodiment of this invention.

Embodiments of the present invention will be described below with reference to the drawings.
[First Embodiment]
First, the functional configuration of the plasma insecticidal lamp A1 according to the first embodiment will be described with reference to FIG. 1 and FIG. FIG. 1 is a perspective view showing a schematic configuration of a plasma insecticidal lamp A1 according to the first embodiment, and FIG. 2 is a functional block diagram of the plasma insecticidal lamp A1 according to the first embodiment.

  The plasma insecticidal lamp A1 is installed, for example, under the eaves of a house, in a garden, indoors, etc., generates ultraviolet rays, and kills insects such as moths and mosquitoes collected in the ultraviolet rays, and is shown in FIG. 1 and FIG. As shown, the transparent case 1, the second case 2, the plasma generation unit 3, the power source / control unit 4, the power supply line 5, and the gas supply line 6 are configured. The power supply / control unit 4 is a plasma control unit in the first embodiment.

  As shown in FIG. 1, the transparent case 1 is a substantially cylindrical case made of a transparent member that transmits ultraviolet rays, and is provided with a plurality of elliptical openings along its circumferential direction. And this transparent case 1 is attached to the 2nd case 2 so that the circumference | surroundings of the plasma generation part 3 which the front-end | tip part protrudes from the 2nd case 2 may be covered.

  As shown in FIG. 1, the second case encloses the plasma generation unit 3, the power supply / control unit 4, the power supply line 5, and the gas supply line 6, and has a substantially circular opening at the center of the upper surface thereof. Yes. And the front-end | tip part of the plasma generation part 3 protrudes from the said opening part of a 2nd case.

  The plasma generation unit 3 is configured by an atmospheric pressure microwave plasma generation source that generates plasma by microwaves under atmospheric pressure. From the power supplied via the power supply line 5 under the control of the power source / control unit 4. By discharging the generated microwave, high-density plasma is generated from oxygen supplied through the gas supply line 6. And this plasma generation part 3 is attached so that the front-end | tip part may protrude from the opening part of a 2nd case, and outputs the plasma flame | frame pf upward. The plasma flame pf output from the plasma generator 3 emits ultraviolet rays.

The power source / control unit 4 controls power supplied from the outside and supplies the power to each unit, and includes a CPU (Central Processing Unit), a ROM (Read Only Memory), and a RAM (Random Access Memory). The circuit 4a is configured to control the entire operation of the plasma insecticidal lamp A1.
Furthermore, the power supply / control unit 4 includes a water electrolysis cell 4b and a water storage tank 4c inside, generates oxygen from the water in the water storage tank 4c by electrolysis of the water electrolysis cell 4b, and supplies the oxygen to the gas supply line 6. Is supplied to the plasma generation unit 3 through the power supply line, and power is supplied to the plasma generation unit 3 through the power supply line 5. The power supply line 5 is composed of a coaxial cable.

Next, the operation of the thus constructed plasma insecticidal lamp A1 will be described in detail.
In the plasma insecticidal lamp A1, upon receiving an insecticidal instruction, the power supply / control unit 4 supplies power to the plasma generation unit 3 via the power supply line 5 and supplies oxygen to the plasma generation unit 3 via the gas supply line 6. The plasma flame pf is output to the plasma generator 3.

  As described above, in the plasma insecticidal lamp A1 according to the first embodiment, the plasma generation unit 3 configured by the atmospheric pressure microwave plasma generation source is mounted and radiated from the plasma frame pf generated by the plasma generation unit 3. Insects such as moths and mosquitoes are collected by ultraviolet rays, and the collected insects are killed by the oxidizing power of the plasma flame pf. Thus, in the plasma insecticidal lamp A1, insects are collected by the ultraviolet rays of the high-density plasma flame pf output from the plasma generating unit 3 composed of the atmospheric pressure microwave plasma generation source, and the insects are killed by a strong oxidizing power. Therefore, it can kill insects more effectively than before.

Although the embodiment of the present invention has been described above, the present invention is not limited to the first embodiment, and for example, the following modifications are conceivable.
(1) In the first embodiment, the power source / control unit 4 generates oxygen by electrolyzing the water in the water storage tank 4c by the water electrolysis cell 4b, and supplies the oxygen to the plasma generation unit 3. The present invention is not limited to this.
For example, the power supply / control unit 4 includes an intake fan, supplies air taken in from the outside by the intake fan to the plasma generation unit 3, and the plasma generation unit 3 generates a plasma flame pf from the air. Also good.

[Second Embodiment]
Next, the functional configuration of the plasma insecticidal lamp A2 according to the second embodiment will be described with reference to FIGS. FIG. 3 is a perspective view showing a schematic configuration of the plasma insect lamp A2 according to the second embodiment, and FIG. 4 is a functional block diagram of the plasma insect lamp A2 according to the second embodiment.
The plasma insect lamp A2 according to the second embodiment is different from the plasma insect lamp A1 according to the first embodiment in that an insect approach detection sensor 7 is provided. Therefore, in this plasma insecticidal lamp A2, the same functional components as those of the plasma insecticidal lamp A1 according to the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

As shown in FIGS. 3 and 4, the plasma insecticidal lamp A2 includes a transparent case 1, a second case 2, a plasma generating unit 3, a power source / control unit 4, a power supply line 5, a gas supply line 6, and an insect approach detection sensor 7. It is composed of
The insect approach detection sensor 7 is provided at the lower part of the outer peripheral surface of the transparent case 1, detects that an insect such as a moth or a mosquito has approached the plasma insecticidal lamp A 2, and outputs a detection signal to the power supply / control unit 4. This insect approach detection sensor 7 is, for example, an infrared sensor.

Next, the operation of the thus constructed plasma insecticidal lamp A2 will be described in detail with reference to FIG. FIG. 5 is a flowchart showing the operation of the plasma insecticidal lamp A2 according to the second embodiment.
In the plasma insecticidal lamp A2, upon receiving an insecticidal instruction, the power supply / control unit 4 supplies power to the plasma generation unit 3 through the power supply line 5 and supplies oxygen to the plasma generation unit 3 through the gas supply line 6. Supply the plasma flame pf to the plasma generator 3 (step S1).

Then, after step S1, the power source / control unit 4 determines whether an insect such as a moth or a mosquito is approaching the plasma insecticidal lamp A2 based on the detection signal input from the insect approach detection sensor 7 ( In step S2), if “YES” is determined in step S2, that is, if the insect is approaching the plasma insecticidal lamp A2, the amount of power and oxygen supplied to the plasma generator 3 is increased. The plasma flame pf to be output to the plasma generator 3 is increased (step S3).
If the power source / control unit 4 determines “NO” in step S2, that is, if the insect is not approaching the plasma insecticidal lamp A2, the plasma frame pf of normal size is generated as it is. The data is output to the unit 3 (step S4).

  As described above, in the plasma insecticidal lamp A2 according to the second embodiment, the plasma generation unit 3 including the atmospheric pressure microwave plasma generation source is mounted, and the plasma frame pf generated by the plasma generation unit 3 radiates. Insects such as moths and mosquitoes are collected by ultraviolet rays, and the collected insects are killed by the oxidizing power of the plasma flame pf. As described above, in the plasma insecticidal lamp A2, the insects are collected by the ultraviolet rays of the high-density plasma flame pf output from the plasma generating unit 3 constituted by the atmospheric pressure microwave plasma generation source, and the insects are killed by the strong oxidizing power. Therefore, it can kill insects more effectively than before.

  Further, in the plasma insecticidal lamp A2, when the power source / control unit 4 detects that the insect approaches the plasma insecticidal lamp A2 based on the detection signal input from the insect approaching detection sensor 7, the power is output to the plasma generating unit 3. Since the plasma flame pf to be enlarged is increased, insects near the plasma insecticidal lamp A2 can be effectively killed. In the plasma insecticidal lamp A2, since the output of the useless plasma flame pf can be suppressed when no insect is in the vicinity, it is possible to suppress useless consumption of power.

As mentioned above, although embodiment of this invention was described, this invention is not limited to the said 2nd Embodiment, For example, the following deformation | transformation can be considered.
(1) In the second embodiment, the power source / control unit 4 generates oxygen by electrolyzing the water in the water storage tank 4c by the water electrolysis cell 4b, and supplies the oxygen to the plasma generation unit 3. The present invention is not limited to this.
For example, the power supply / control unit 4 includes an intake fan, supplies air taken in from the outside by the intake fan to the plasma generation unit 3, and the plasma generation unit 3 generates a plasma flame pf from the air. Also good.

(2) In the second embodiment, an elliptical opening is provided in the circumferential direction of the transparent case 1, and insects are drawn into the plasma frame pf from the opening, but the present invention is not limited to this.
A modification of the configuration of the second embodiment will be described with reference to FIG. FIG. 6 is a perspective view showing a modification of the configuration of the plasma insecticidal lamp A2 according to the second embodiment.
For example, as shown in FIG. 4A, the transparent case of the plasma insecticidal lamp A2 is formed into a shape having an enlarged diameter around the central axis, and an opening is provided on the upper part of the transparent case. Insects may be called into the plasma frame pf.
Further, as shown in FIG. 4 (b), the transparent case 1 may be configured from a translucent member with a decoration through which ultraviolet rays are transmitted.

(3) In the second embodiment, the power supply / control unit 4 determines that the plasma generator 3 is in the vicinity of the plasma insecticidal lamp A2 based on the detection signal input from the insect approach detection sensor 7. When the plasma flame pf to be output is enlarged and the insect is not approaching the plasma insecticidal lamp A2, the plasma flame pf having a normal size is outputted to the plasma generator 3 as it is, but the present invention is limited to this. Not.
Based on the detection signal input from the insect approach detection sensor 7, the power source / control unit 4 determines the size of the plasma frame pf to be output to the plasma generator 3 according to the number of insects approaching the plasma insecticidal lamp A2. You may make it change in steps.

  A1, A2 ... Plasma insecticide lamp, 1 ... Transparent case, 2 ... Second case, 3 ... Plasma generator, 4 ... Power supply / control unit, 5 ... Power supply line, 6 ... Gas supply line, 7 ... Insect approach detection sensor

Claims (4)

A plasma generator that generates plasma by an atmospheric pressure microwave plasma source;
Plasma control means for outputting plasma to the plasma generation unit;
A plasma insecticidal lamp characterized by comprising. It is equipped with an insect approach detection sensor that detects that an insect has approached and outputs a detection signal.
2. The plasma control unit according to claim 1, wherein when the insect is approaching, the plasma to be output to the plasma generation unit is enlarged based on a detection signal input from the insect approach detection sensor. The described plasma insecticidal lamp.   The plasma control means, based on a detection signal input from an insect approach detection sensor, gradually changes the magnitude of plasma to be output to the plasma generator according to the number of approaching insects. Item 3. The plasma insecticidal lamp according to Item 2. The said plasma control means is equipped with the water electrolysis cell, The oxygen used when the said plasma generation part generate | occur | produces a plasma by the said water electrolysis cell produces | generates from water. Plasma insecticidal lamp.

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