JP2006102203A - Air cleaning device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air cleaning device capable of deodorization and sterilization using water to be stably supplied and efficiently consumed/produced and discharge. <P>SOLUTION: This air cleaning device consists of a discharge electrode 1, an opposite electrode 2, a pulse high-voltage applying device 3 for applying high voltage between the electrodes to discharge electricity, a Peltier element 4, and a heat sink 5. As the air cleaning device has a recess 6 as a water reservoir part in the periphery of the discharge electrode 1 cooled by the Peltier element 4, the water condensed in the discharge electrode 1 can be stored in the recess 6, and therefore, water can be stably supplied from the condensation water stored in the recess when the interior environment is changed to a low-humidity atmosphere. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an air purification apparatus that uses discharge and water to remove malodorous substances and harmful substances in the air, and bacteria and allergens.

  Conventionally, an air purification device that uses discharge and water to deodorize and sterilize introduces water vapor into the discharge area and oxidizes by collisions between electrons and water molecules scattered at high speed by discharge, ultraviolet rays, etc. Strong OH radicals are generated, and the malodorous components and harmful substances are decomposed, and in addition, the bacteria and viruses in the air are inactivated and the DNA and RNA are destroyed to prevent breeding (see, for example, Patent Document 1) ).

In addition, water that contains water in the water reservoir is atomized to atomize the water containing it together with radicals with high oxidizability, and are released indoors to deodorize attached odors such as indoor air and indoor walls. Yes (see, for example, Patent Document 2).
JP 2001-96190 A JP 2004-85185 A

  However, the conventional apparatus needs to supply water from a water pipe or supply water to a discharge portion after being put in a water tank or the like, and cannot be easily moved once the apparatus is attached. Moreover, when water runs out, there is a problem that it takes time and effort to supply water to the tank.

  Therefore, in order to solve the above-described conventional problems, water is generated without water supply using a Peltier element for either or both of the discharge electrode and the counter electrode, a high voltage is applied between the electrodes to cause discharge, and more in the discharge region. Proposes long-lived radicals and ions with high oxidizing power, and fine water particles containing them, which are released downstream of the discharge area, where the discharged area is deodorized, sterilized, harmful substances removed, etc. Has been.

  However, when the high-voltage applying device applied between the electrodes is AC high voltage or DC high voltage, the amount of generated radicals, ions, and oxidizing substances is low because the energy required to dissociate and ionize water generated in the electrode part is low. Less. In other words, water cannot be consumed or generated efficiently.

  In addition, depending on the surrounding environmental temperature and humidity conditions, excessive water is generated, water flows out or jumps to the outside, and there is less water generation and less generation of radicals, ions, and oxidizing substances. Had.

  The present invention solves the above-described conventional problems, and provides an air purifier that can be deodorized and sterilized using water that can be stably supplied and efficiently consumed and generated, and discharge. The purpose is to do.

In order to solve the above-mentioned conventional problems, the air purifying apparatus of the present invention applies a pulsed high voltage between a discharge electrode and a counter electrode and discharges between both electrodes, and the discharge Provided with an electrode and / or a counter electrode, and water generating means for generating water with no water supply, using water and discharge generated between the electrodes, radicals and ions in the discharge region, and the like A fine water particle is generated and discharged to the downstream of the discharge region, and a water reservoir for storing water in the vicinity of the water generating means and between the discharge electrode and the counter electrode. In the arrangement, the condensed water accumulates in the reservoir, and the accumulated condensed water does not flow out. Therefore, by using the accumulated water when the humidity is low and the water supply is unstable, stable radicals, ions, and oxidizing substances can be generated.

  In other words, the water used in the electrostatic atomization phenomenon is about 0.1 g / h, and if there is a dent for the required operating time, once it is accumulated, it will be sufficiently electrostatic even if the current is turned off. It is possible to perform deodorization, sterilization, removal of harmful substances, etc. by the atomization phenomenon.

  In other words, even if the indoor environment changes to a low humidity environment, if there is water in the dent, water is stably supplied to the electrodes by the surface tension, and there is no need to energize Peltier while the condensed water remains. There is also an energy saving effect.

  ADVANTAGE OF THE INVENTION According to this invention, the air purification apparatus which can perform a deodorizing and sterilization using the water which can be supplied and produced | generated stably and efficiently, and discharge can be provided.

  A first invention is provided with pulse high voltage applying means for applying a pulsed high voltage between a discharge electrode and a counter electrode and discharging between both electrodes, and provided in the discharge electrode and / or the counter electrode. Water generating means for generating water by water supply, utilizing water and discharge generated between the electrodes, generating radicals and ions, etc., and fine water particles containing them in the discharge region, In addition to being discharged to the downstream of the region, a water storage part for storing water is disposed in the vicinity of the water generating means and between the discharge electrode and the counter electrode. Even in a low-humidity environment, water is stably supplied because condensed water exists in the reservoir.

  The second invention is characterized in that a non-woven fabric is disposed in the water storage part, and by providing the non-woven fabric in the dew condensation part around the electrode, the generated dew condensation water is absorbed and stored in the non-woven fabric, so that Even if it is installed in a place with a mark, it will not spill and water will always be supplied stably to the electrodes.

  The third invention is characterized in that the water storage portion has a substantially cylindrical shape. In the case of a prism, water remains in the corner portion due to surface tension, and the condensed water cannot be used up to the end. By using a cylinder, it is possible to use up all the condensed water accumulated in the depression. Moreover, since the electrode will be immersed in water when the discharge electrode end surface is lower than the height of the cylindrical water reservoir portion, it is necessary to be higher than the water reservoir portion.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a cross-sectional view showing a configuration of an air purification device according to a first embodiment of the present invention.

  In FIG. 1, 1 is a discharge electrode and 2 is a counter electrode. A pulse high voltage application device 3 is connected between the electrodes to generate a discharge by applying a high voltage. The Peltier element 4 is energized together with the high voltage applying device 3. The discharge electrode 1 is in close contact with the cooling surface of the Peltier element 4, and when the Peltier element 4 is energized, the discharge electrode 1 is also cooled by heat conduction. The discharge electrode 1 is made of aluminum (Al) because thermal conductivity is important and performance is affected.

  Further, the heat radiating side opposite to the Peltier element 4 is in close contact with the heat sink 5 to radiate heat generated by the Peltier element 4. Although not shown in the drawing, a silicon-based adhesive or filler is applied to the contact surface between the Peltier element 4 and the discharge electrode 1 and between the Peltier element 4 and the heat sink 5 in order to improve thermal conductivity.

  About the air purification apparatus comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  When the Peltier element 4 is energized, the discharge electrode 1 in close contact with the cooling surface of the Peltier element 4 is cooled and dewed below the dew point. In this state, since a high voltage is applied to the discharge electrode 1 and the discharge electrode 2 by the high voltage applying device 3, a discharge is generated between the electrodes, and electrostatic discharge due to electrostatic force is generated at the tip of the discharge electrode 1. Atomization is done.

  In the discharge, a pulse high voltage is applied between the electrodes, so that the energy level is significantly higher than that of the AC high voltage or DC high voltage, and sufficient energy can be supplied to dissociate or ionize water. This increases the amount of radicals, ions, and oxidizing substances produced. That is, water can be consumed and generated efficiently.

  In such a continuous operation, when the vicinity of the dew condensation portion is in a low humidity condition, the formation of dew condensation water becomes less than the consumption amount, and therefore, a recess 6 serving as a water storage portion is provided. Since this depression 6 can store dew condensation water that is not used when the Peltier is energized, it can be used when the vicinity of the dew condensation part is in a low humidity condition.

  The amount of water used in the electrostatic atomization phenomenon is about 0.1 g / h. If there is a dent for the required operating time, once it is stored, it will be sufficiently electrostatic atomized even if the current is turned off. It is possible to deodorize, sterilize, remove harmful substances, etc. by the phenomenon. That is, even if the indoor environment changes and becomes a low humidity environment, if there is water in the depression, water is stably supplied.

  As described above, in the present embodiment, by providing the depression 6 around the condensation of the discharge electrode 1, the condensed water can be stored in the depression 6, and the vicinity of the condensation portion is in a low humidity condition and water generation is extremely high. Can be used when low.

(Embodiment 2)
FIG. 2 is a schematic diagram showing the configuration of the air purification device according to the second embodiment of the present invention.

  In FIG. 2, a non-woven fabric 17 having good water absorption is installed in a recess 6 for storing condensed water. In this way, even when the air purification device is installed in a tilted state, the condensed water will not overflow, and the condensed water will not flow out. Become.

(Embodiment 3)
FIG. 3 is a perspective view showing a configuration of an air purification device according to the third embodiment of the present invention.

  The recess 6 of the air purification device is processed into a cylindrical shape. In the prism, water remains in the corner due to surface tension, and the condensed water cannot be used up to the end. As described above, it is possible to use up all the condensed water accumulated in the depression by using a cylinder.

As described above, the air purification apparatus according to the present invention is easily affected by the surrounding temperature and humidity conditions such as when condensed water is not generated excessively or when it is excessively generated. Variations occur in the amount of particles and ions, and the amount of fine water particles containing them. According to the present invention, it becomes possible to always supply water stably and also to reduce the amount of electricity used by Peltier, so that discharge and water can be used to prevent malodorous and harmful substances in the air, bacteria and The present invention can also be applied to applications such as an air purification device that removes allergens and the like.

Schematic diagram of the air purification device in Embodiment 1 of the present invention. Schematic diagram of an air purification device in Embodiment 2 of the present invention The perspective view of the air purification apparatus in Embodiment 3 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Discharge electrode 2 Counter electrode 3 Pulse high voltage application apparatus 4 Peltier element 5 Heat sink 6 Dimple (reservoir part)
17 Nonwoven fabric

Claims (3)

Pulse high voltage application means for applying a pulsed high voltage between the discharge electrode and the counter electrode and discharging between the two electrodes, and provided on the discharge electrode and / or the counter electrode to generate water without supplying water Water generating means, and using water and discharge generated between the electrodes to generate radicals, ions, and the like and fine water particles containing them in the discharge region, and to discharge the discharge region downstream An air purification apparatus in which a water storage part for storing water is disposed in the vicinity of the water generating means and between the discharge electrode and the counter electrode. The air purifier according to claim 1, wherein a nonwoven fabric is disposed in the water reservoir. The air purification apparatus according to claim 1 or 2, wherein the water storage portion has a substantially cylindrical shape.

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