JP4742572B2 - Air conditioner air purifier - Google Patents

Air conditioner air purifier Download PDF

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JP4742572B2
JP4742572B2 JP2004342213A JP2004342213A JP4742572B2 JP 4742572 B2 JP4742572 B2 JP 4742572B2 JP 2004342213 A JP2004342213 A JP 2004342213A JP 2004342213 A JP2004342213 A JP 2004342213A JP 4742572 B2 JP4742572 B2 JP 4742572B2
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peltier element
air
high voltage
air conditioner
power supply
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JP2006149538A (en
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靖人 向井
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Panasonic Corp
Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
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Description

本発明は、室内空気の脱臭や室内壁面等の付着物の脱臭を行うことができる空気調和機の空気清浄装置に関するものである。   The present invention relates to an air purifier for an air conditioner that can deodorize indoor air and deodorize deposits such as indoor wall surfaces.

従来の、空気調和機の空気清浄装置としては、臭い分子を吸着する活性炭等のフィルタや空気中の埃や臭い分子を帯電させてフィルタに吸着させる空気清浄機などが提供されている。しかしながら、フィルタに吸着させる空気清浄機では、空気清浄機内に取り込んだ空気を浄化するだけで室内壁面などの付着物は脱臭できなかった。これを解決するために、静電霧化の技術を利用して脱臭を行うものも提供されている（例えば、特許文献１及び２参照）。静電霧化とは、水などの液体に高電圧を印加すると液体が霧化するという現象であり、この現象は、古くから知られている。   As a conventional air purifier for an air conditioner, there are provided a filter such as activated carbon that adsorbs odor molecules, an air cleaner that charges dust and odor molecules in the air and adsorbs them on the filter, and the like. However, in the air cleaner to be adsorbed by the filter, the deposits such as the indoor wall surface cannot be deodorized only by purifying the air taken into the air cleaner. In order to solve this, what deodorizes using the technique of electrostatic atomization is also provided (for example, refer patent document 1 and 2). Electrostatic atomization is a phenomenon in which when a high voltage is applied to a liquid such as water, the liquid is atomized. This phenomenon has been known for a long time.

図１５は、上記特許文献１に記載された従来の静電霧化式空気浄化装置を示すもので、静電霧化式空気浄化装置には、汚染空気の中心部に向け、細水柱を噴出せしめる噴水ノズル１８が設けられ、高圧電極１３と細水注の間に直流バイアスを付与した交流高電圧１９を印加し、微細水滴を霧状に有する静電霧化雰囲気を形成せしめるものである。   FIG. 15 shows a conventional electrostatic atomization type air purification device described in Patent Document 1, in which a fine water column is ejected toward the center of contaminated air. A fountain nozzle 18 is provided, and an AC high voltage 19 imparted with a DC bias is applied between the high-voltage electrode 13 and the fine water injection to form an electrostatic atomization atmosphere having fine water droplets in a mist form.

また、図１６は、上記特許文献２に開示された従来の空気清浄機を示すもので、内部に静電霧化装置９が配され、その静電霧化装置９は、水溜め部５と、水溜め部５の水を水溜め部５の外部に位置する先端側へ搬送する搬送部（図示せず）と、搬送部に対向するように配置された電極（図示せず）とを備え、搬送部と電極との間に高電圧を印加することにより搬送部の水が霧化してミストを発生せしめるものである。
特開昭５３−１４１１６７号公報 特開２００４−８５１８５号公報 Moreover, FIG. 16 shows the conventional air cleaner disclosed by the said patent document 2, The electrostatic atomizer 9 is distribute | arranged inside and the electrostatic atomizer 9 is the water reservoir part 5 and the inside. A transport unit (not shown) for transporting the water in the water reservoir 5 to the tip side located outside the water reservoir 5, and an electrode (not shown) arranged to face the transport unit By applying a high voltage between the transport unit and the electrode, water in the transport unit is atomized to generate mist.
JP-A-53-141167 JP 2004-85185 A

しかしながら、このような静電霧化により室内空気の脱臭や室内壁面等の付着物の脱臭を行う空気清浄装置を一般空気調和機に搭載する場合、人手あるいは、水道配管により静電霧化に必要な水を供給しなければならないという課題を有していた。   However, when air purifiers that deodorize indoor air and deodorize deposits on the walls of the room by electrostatic atomization are installed in general air conditioners, they are necessary for electrostatic atomization by hand or water pipes. Had the problem of having to supply fresh water.

本発明は、前記従来の課題を解決するもので、空気中より静電霧化に必要な水を得て、無給水で静電霧化による脱臭を実現する空気調和機の空気清浄装置を提供することを目的とする。   The present invention solves the above-mentioned conventional problems, and provides an air purifier for an air conditioner that obtains water necessary for electrostatic atomization from the air and realizes deodorization by electrostatic atomization without water supply. The purpose is to do.

前記従来の課題を解決するために、本発明の空気調和機の空気清浄装置は、空気調和機内に配され静電霧化してミストを発生させる静電霧化ユニットと、高電圧電源ユニットと、空気調和機周辺の空気の温度を検出する吸い込み温度検出手段と、同空気の湿度を検出する湿度検出手段と、ペルチェ素子駆動電源とを備え、前記静電霧化ユニットは、前記ペルチェ素子駆動電源で駆動されるペルチェ素子と、前記ペルチェ素子の冷却面の温度を測定する冷却面温度測定手段と、前記冷却面に配された高電圧電極と、前記高電圧電極に対向して設けられた対向電極を有し、前記高電圧電源ユニットは、前記高電圧電極と前記対向電極間に高電圧を印加する高電圧電源と、前記高電圧電極と前記対向電極との間に流れる放電電流によりミストの発生状況を検出する静電霧化状態検出手段を有し、前記吸い込み温度検出手段と前記湿度検出手段の検出結果に基づいて、前記ペルチェ素子駆動電源及び高電圧電源を制御することにより前記高電圧電極を空気調和機周辺の空気の露点温度以下にするもので、ペルチェ素子により空気中から静電霧化に必要な水を無給水で安定して得られ、それを静電霧化によりミストを発生させ室内空気の脱臭や室内壁面等の付着物の脱臭を行うことができる。 In order to solve the conventional problems, an air conditioner for an air conditioner according to the present invention includes an electrostatic atomization unit that is disposed in an air conditioner and generates mist by electrostatic atomization, a high voltage power supply unit, A suction temperature detecting means for detecting the temperature of the air around the air conditioner; a humidity detecting means for detecting the humidity of the air; and a Peltier element driving power source, wherein the electrostatic atomization unit is provided with the Peltier element driving power source. A Peltier element driven by the cooling element, a cooling surface temperature measuring means for measuring the temperature of the cooling surface of the Peltier element, a high voltage electrode disposed on the cooling surface, and a counter provided facing the high voltage electrode The high voltage power supply unit includes a high voltage power source that applies a high voltage between the high voltage electrode and the counter electrode, and a discharge current that flows between the high voltage electrode and the counter electrode . Occurrence Has an electrostatic atomization state detecting means for detecting a situation, based on the detection result of the suction temperature detecting means and the humidity detecting means, said high voltage electrode by controlling the Peltier element drive power source and the high voltage power supply The water required for electrostatic atomization is stably obtained from the air with no water supply by the Peltier element, and mist is generated by electrostatic atomization. It is possible to deodorize indoor air and deodorize deposits such as indoor wall surfaces.

本発明の空気調和機の空気清浄装置は、無給水で静電霧化による室内空気の脱臭や室内壁面等の付着物の脱臭を行うことができる。   The air purifier for an air conditioner of the present invention can perform deodorization of indoor air and deodorization of deposits such as an indoor wall surface by electrostatic atomization with no water supply.

第１の発明は、空気調和機内に配され静電霧化してミストを発生させる静電霧化ユニットと、高電圧電源ユニットと、空気調和機周辺の空気の温度を検出する吸い込み温度検出手段と、同空気の湿度を検出する湿度検出手段と、ペルチェ素子駆動電源とを備え、前記静電霧化ユニットは、前記ペルチェ素子駆動電源で駆動されるペルチェ素子と、前記ペルチェ素子の冷却面の温度を測定する冷却面温度測定手段と、前記冷却面に配された高電圧電極と、前記高電圧電極に対向して設けられた対向電極を有し、前記高電圧電源ユニットは、前記高電圧電極と前記対向電極間に高電圧を印加する高電圧電源と、前記高電圧電極と前記対向電極との間に流れる放電電流によりミストの発生状況を検出する静電霧化状態検出手段を有し、前記吸い込み温度検出手段と前記湿度検出手段の検出結果に基づいて、前記ペルチェ素子駆動電源及び高電圧電源を制御することにより前記高電圧電極を空気調和機周辺の空気の露点温度以下にするもので、ペルチェ素子により空気中から静電霧化に必要な水を無給水で安定して得られ、それを静電霧化によりミストを発生させ室内空気の脱臭や室内壁面等の付着物の脱臭を行うことができる。 The first invention is an electrostatic atomization unit that is arranged in an air conditioner and generates mist by electrostatic atomization, a high-voltage power supply unit, and a suction temperature detection means that detects the temperature of air around the air conditioner. , A humidity detecting means for detecting the humidity of the air, and a Peltier element driving power source, wherein the electrostatic atomization unit includes a Peltier element driven by the Peltier element driving power source and a temperature of a cooling surface of the Peltier element A cooling surface temperature measuring means for measuring, a high voltage electrode disposed on the cooling surface, and a counter electrode provided to face the high voltage electrode, wherein the high voltage power supply unit includes the high voltage electrode And a high voltage power source that applies a high voltage between the counter electrodes, and an electrostatic atomization state detection unit that detects a mist generation state by a discharge current flowing between the high voltage electrode and the counter electrode , Inhalation Based on the detection result of the degree detecting means and the humidity detecting means, said high voltage electrode by controlling the Peltier element drive power source and the high voltage power supply intended to below the dew point temperature of the air around the air conditioner, a Peltier The water required for electrostatic atomization can be stably obtained from the air with no water supply by the element, and mist is generated by electrostatic atomization to deodorize indoor air and debris such as indoor walls. Can do.

第２の発明は、特に、第１の発明のペルチェ素子駆動電源の出力電圧を一定とし、吸い込み温度検出手段及び湿度検出手段の検出結果から求められた空気調和機周辺の空気の露点温度に対応した電圧印加時間デューティーで、ペルチェ素子に高電圧を印加するようにしたもので、比較的簡単なペルチェ素子駆動電源の構成で静電霧化に必要な水を安定して生成することができる。   The second invention is particularly adapted to the dew point temperature of the air around the air conditioner obtained from the detection results of the suction temperature detecting means and the humidity detecting means, with the output voltage of the Peltier element driving power source of the first invention being constant. A high voltage is applied to the Peltier element with the applied voltage application time duty, and water necessary for electrostatic atomization can be stably generated with a relatively simple configuration of the Peltier element driving power source.

第３の発明は、特に、第２の発明のペルチェ素子のペルチェ素子の冷却面が露点温度以下になるようにする制御開始から一定時間経過後に、高電圧電源ユニットを駆動すると共に、静電霧化状態検出手段により放電の正常あるいは不良の判定を行い、放電不良時に、前記露点温度及び前記露点温度に対応した電圧印加時間デューティーを補正するもので、ペルチェ素子の冷却能力個体差や各検出手段の個体差に関わらず、静電霧化に必要な水を安定して生成することができる。 In particular, the third invention drives the high-voltage power supply unit after a certain period of time has elapsed since the start of the control so that the cooling surface of the Peltier element of the Peltier element of the second invention is equal to or lower than the dew point temperature. The normal state or failure of discharge is determined by the activated state detection means, and when the discharge is defective, the dew point temperature and the voltage application time duty corresponding to the dew point temperature are corrected. Regardless of individual differences, water necessary for electrostatic atomization can be stably generated.

第４の発明は、特に、第１の発明のペルチェ素子に印加されるペルチェ素子駆動電源の出力電圧を、吸い込み温度検出手段及び湿度検出手段から求められた空気調和機周辺の空気の露点温度に応じて変えて前記ペルチェ素子の冷却面が露点温度以下になるようにする制御を行うようにしたもので、静電霧化に必要な水を安定して生成することができる。 In the fourth aspect of the invention, in particular, the output voltage of the Peltier element driving power source applied to the Peltier element of the first aspect of the invention is set to the dew point temperature of the air around the air conditioner obtained from the suction temperature detecting means and the humidity detecting means. According to this, control is performed so that the cooling surface of the Peltier element is equal to or lower than the dew point temperature , and water necessary for electrostatic atomization can be stably generated.

第５の発明は、特に、第４の発明のペルチェ素子が露点温度以下になるようにする制御開始から一定時間経過後に、高電圧電源ユニットを駆動すると共に静電霧化状態検出手段により放電の正常あるいは不良の判定を行い、放電不良時に、前記露点温度及び前記露点温度に対応した前記ペルチェ素子の駆動電圧を補正するもので、静電霧化に必要な水を安定して生成することができる。 In particular, the fifth aspect of the invention drives the high voltage power supply unit after the elapse of a certain time from the start of the control so that the Peltier element of the fourth aspect of the invention is at or below the dew point temperature , and discharges the discharge by the electrostatic atomization state detection means. Normal or defective determination is performed, and when the discharge is defective, the dew point temperature and the driving voltage of the Peltier element corresponding to the dew point temperature are corrected, and water necessary for electrostatic atomization can be stably generated. it can.

第６の発明は、特に、第４又は第５の発明の空気調和機の運転状態に応じてペルチェ素子に供給する最大電力に上限を設け、前記最大電力内で、前記ペルチェ素子の冷却面を露点温度以下にする制御が可能な場合のみ、前記ペルチェ素子への電圧印加を継続するもので、空気清浄装置の運転よりも空気調和機の運転を優先させることができる。 In particular, the sixth invention provides an upper limit for the maximum power supplied to the Peltier element according to the operating state of the air conditioner of the fourth or fifth invention, and the cooling surface of the Peltier element is within the maximum power. Only when it is possible to control to the dew point temperature or lower, the voltage application to the Peltier element is continued, and the operation of the air conditioner can be prioritized over the operation of the air purifier.

第７の発明は、特に、第１〜６のいずれか一つの発明の高電圧電源ユニットに、高電圧電極と対向電極間の短絡を防止する短絡保護装置を設けたもので、空気清浄装置の安全性を保つことができる。   In the seventh aspect of the invention, in particular, the high voltage power supply unit according to any one of the first to sixth aspects is provided with a short circuit protection device for preventing a short circuit between the high voltage electrode and the counter electrode. Safety can be maintained.

第８の発明は、特に、第１〜７のいずれか一つの発明の高電圧電源ユニットに、高電圧電極と対向電極間の短絡等の異常を検出する異常検出手段を設けたもので、空気調和機の安全性を保つことができる。   In the eighth invention, in particular, the high voltage power supply unit according to any one of the first to seventh inventions is provided with an abnormality detection means for detecting an abnormality such as a short circuit between the high voltage electrode and the counter electrode. The safety of the harmony machine can be maintained.

以下、本発明の実施の形態について、図面を参照しながら説明する。なお、この実施の形態によって本発明が限定されるものではない。   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.

（実施の形態１）
図１は、本発明の第１の実施の形態における空気清浄装置を搭載した空気調和機の断面図、図２は、同空気清浄装置の静電霧化ユニットの断面図、図３は、同空気清浄装置のブロックダイアグラム、図４は、空気の温度及び相対湿度と露点温度の相関関係を示すテーブルを示すものである。 (Embodiment 1)
FIG. 1 is a cross-sectional view of an air conditioner equipped with the air purifier according to the first embodiment of the present invention, FIG. 2 is a cross-sectional view of an electrostatic atomization unit of the air purifier, and FIG. FIG. 4 is a block diagram of an air cleaning device, and shows a table showing the correlation between air temperature and relative humidity and dew point temperature.

空気調和機２は、熱交換された空気を吹出す吹き出し口４５と、吹き出し風の向きを変える上下羽根４６とフイルタ３を備えている。   The air conditioner 2 includes a blowout port 45 that blows out heat-exchanged air, upper and lower blades 46 that change the direction of the blown air, and the filter 3.

本実施の形態における空気調和機の空気清浄装置１は、図１〜３に示すように、空気調和機２の吹出し口４５に配設されると共に、後述の高電圧電極８に結露した水を霧化してミストを発生させる静電霧化ユニット１２と、空気調和機の吸い込み側に配され空気調和機周辺の空気の露点温度を求めるための吸い込み温度検出手段４と湿度検出手段３０と、高電圧電源ユニット１４と、ペルチェ素子駆動電源１５と、制御手段１６から構成されている。   As shown in FIGS. 1 to 3, the air purifier 1 for an air conditioner in the present embodiment is disposed at a blow-out port 45 of the air conditioner 2 and also condenses water condensed on a high-voltage electrode 8 described later. An electrostatic atomization unit 12 that atomizes and generates mist, a suction temperature detection means 4 and a humidity detection means 30 that are arranged on the suction side of the air conditioner to determine the dew point temperature of the air around the air conditioner, The power supply unit 14 includes a Peltier element drive power supply 15 and a control means 16.

静電霧化ユニット１２から発生したミスト１１は、空気調和機２の吹出し流れに乗って、室内空間に拡散し、室内空気や室内壁面等の付着物の脱臭を行う。   The mist 11 generated from the electrostatic atomization unit 12 rides on the blowout flow of the air conditioner 2 and diffuses into the indoor space, thereby deodorizing deposits such as indoor air and indoor wall surfaces.

図２において、６は、ペルチェ素子であり、ペルチェ素子６の上面側は、冷却面６ａであり、冷却面６ａの温度を測定する冷却面温度測定手段７と高電圧電極８が配され、ペルチェ素子６に電圧が印加され、高電圧電極８が露点温度以下に冷却されると高電圧電極８に結露水３１が生じ、対向電極３２との間に高電圧を印加されると、結露水３１は、静電霧化して、ミスト１１となり、空気調和機２の吹出し流れに乗って、居室内に拡散していく。 In FIG. 2, 6 is a Peltier element, and the upper surface side of the Peltier element 6 is a cooling surface 6a. A cooling surface temperature measuring means 7 for measuring the temperature of the cooling surface 6a and a high voltage electrode 8 are arranged. When a voltage is applied to the element 6 and the high voltage electrode 8 is cooled below the dew point temperature, dew condensation water 31 is generated on the high voltage electrode 8, and when a high voltage is applied between the counter electrode 32, the dew condensation water 31 is generated. Becomes electrostatic mist, becomes mist 11, rides on the flow of air conditioner 2, and diffuses into the room.

１４は、高電圧電源ユニットで、高電圧電極８と対向電極３２に高電圧を印加する高電圧電源１４ｃと、ミスト１１の発生状況を検出する静電霧化状態検出手段１３を備えている。   Reference numeral 14 denotes a high-voltage power supply unit that includes a high-voltage power supply 14 c that applies a high voltage to the high-voltage electrode 8 and the counter electrode 32, and an electrostatic atomization state detection means 13 that detects the occurrence of mist 11.

１６は、空気調和機２に設けられた空気清浄装置１の制御手段であり、吸い込み温度検出手段４、湿度検出手段３０、静電霧化状態検出手段１３、ペルチェ素子６の冷却面温度測定手段７など各検出手段の検出情報が入力され、前記検出情報や制御系の応答時間に応じて、高電圧電源ユニット１４やペルチェ素子駆動電源１５の制御を行うものである。 Reference numeral 16 denotes control means for the air purifying apparatus 1 provided in the air conditioner 2, which includes suction temperature detection means 4, humidity detection means 30, electrostatic atomization state detection means 13, and cooling surface temperature measurement means for the Peltier element 6. Detection information of each detection means such as 7 is input, and the high voltage power supply unit 14 and the Peltier element driving power supply 15 are controlled according to the detection information and the response time of the control system.

以上のように構成された空気調和機の空気清浄装置について、以下その動作、作用を説明する。   About the air purifier of the air conditioner comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

空気調和機２の空気清浄装置１の制御手段１６は、吸い込み温度検出手段４と湿度検出手段３０から得られた空気の温度及び相対湿度により、演算あるいは、テーブル参照により、空気調和機周辺の空気の露点温度を求める。ここで、制御手段１６は、空気調和機２の制御手段（図示せず）の一部であっても、空気清浄装置１専用の制御装置であってもよい。   The control means 16 of the air cleaning device 1 of the air conditioner 2 calculates the air around the air conditioner by calculation or referring to a table based on the air temperature and relative humidity obtained from the suction temperature detection means 4 and the humidity detection means 30. Find the dew point temperature. Here, the control means 16 may be a part of the control means (not shown) of the air conditioner 2 or may be a control device dedicated to the air cleaning device 1.

テーブル参照の場合は、図４のように、空気の温度及び相対湿度と露点温度の相関関係を示すテーブルを設け、空気清浄装置１の使用温度・湿度範囲を複数領域に分割し、分割された各領域内における露点温度の最小値を湿り空気線図から求め、分割された各領域の露点温度とする。図４において、太線で囲まれた領域３３が、空気清浄装置１の使用温度・湿度範囲であり、領域３３は、空気調和機２から空気清浄装置１に対して供給可能電力や空気調和機２の実使用範囲や露点温度などにより定められている。   In the case of table reference, as shown in FIG. 4, a table showing the correlation between air temperature and relative humidity and dew point temperature is provided, and the operating temperature / humidity range of the air cleaning device 1 is divided into a plurality of regions. The minimum value of the dew point temperature in each region is obtained from the wet air diagram and used as the dew point temperature of each divided region. In FIG. 4, a region 33 surrounded by a thick line is the operating temperature / humidity range of the air purifier 1, and the region 33 is the power that can be supplied from the air conditioner 2 to the air purifier 1 and the air conditioner 2. It is determined by the actual use range and dew point temperature.

制御手段１６は、吸い込み温度検出手段４で得られた空気温度Ｔ１と湿度検出手段３０で得られた空気の相対湿度ＲＨ１から図４のテーブルに基づいて、露点温度ＴＯが求められる。制御手段１６は、冷却面温度測定手段７で検出される冷却面６ａの温度を露点温度ＴＯに近づけるようにペルチェ素子駆動電源１５の電圧の制御を行う。ペルチェ素子駆動電源１５の制御開始からしばらく時間が経過すると、冷却面６ａに配された高電圧電極８も露点温度に達し、高電圧電極８の表面に結露水３１が生じる。   The control means 16 obtains the dew point temperature TO from the air temperature T1 obtained by the suction temperature detection means 4 and the relative humidity RH1 of the air obtained by the humidity detection means 30 based on the table of FIG. The control means 16 controls the voltage of the Peltier element driving power supply 15 so that the temperature of the cooling surface 6a detected by the cooling surface temperature measuring means 7 is close to the dew point temperature TO. When a certain amount of time elapses from the start of control of the Peltier element driving power supply 15, the high voltage electrode 8 disposed on the cooling surface 6 a also reaches the dew point temperature, and dew condensation water 31 is generated on the surface of the high voltage electrode 8.

この状態で制御手段１６により高電圧電源ユニット１４を駆動し、静電霧化ユニット１２の高電圧電極８と対向電極３２間に高電圧を印加すると、高電圧電極８の表面の結露水３１は、静電霧化現象によりミスト１１となり、空気調和機２の吹出し流れに乗って、居室に拡散していく。静電霧化によりミスト１１が良好に発生しているかどうかは、静電霧化状態検出手段１３から得られる放電電流の状況から判断できる。 In this state, when the high voltage power supply unit 14 is driven by the control means 16 and a high voltage is applied between the high voltage electrode 8 and the counter electrode 32 of the electrostatic atomization unit 12, the dew condensation water 31 on the surface of the high voltage electrode 8 is Then, it becomes mist 11 due to the electrostatic atomization phenomenon and rides on the blowing flow of the air conditioner 2 and diffuses into the living room. Whether or not the mist 11 is favorably generated by electrostatic atomization can be determined from the state of the discharge current obtained from the electrostatic atomization state detection means 13 .

これにより、無給水で静電霧化による室内空気の脱臭や室内壁面等の付着物の脱臭を行うことができる。   Thereby, deodorization of indoor air and debris such as indoor wall surface by electrostatic atomization can be performed without water supply.

（実施の形態２）
図５は、本発明の第２の実施の形態における空気調和機の空気清浄装置におけるペルチェ素子の冷却面の露点温度制御方法を示すタイミングチャート、図６は、同空気清浄装置における空気の温度及び相対湿度とペルチェ素子電圧印加時間Ｔｏｎ／Ｔｏｆｆのデューティーの相関関係を示すテーブルである。なお、上記実施の形態と同一部分については、同一符号を付してその説明を省略する。 (Embodiment 2)
FIG. 5 is a timing chart showing a dew point temperature control method for the cooling surface of the Peltier element in the air purifier of the air conditioner according to the second embodiment of the present invention, and FIG. It is a table | surface which shows the correlation of the relative humidity and the duty of Peltier device voltage application time Ton / Toff. In addition, about the same part as the said embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

図５において、ペルチェ素子駆動電源１５は、制御手段１６からの指示により、ｔ１周期で、Ｔｏｎ／Ｔｏｆｆの任意のデューティーでペルチェ素子６に電圧を印加する。ｔ１周期が、ペルチェ素子６の熱時定数に対して、十分に短い範囲なら、Ｔｏｎ／Ｔｏｆｆのデューティーでの電圧制御によって、ペルチェ素子６の冷却が可能であり、ペルチェ素子６の熱的耐久性にも大きな影響を与えない。   In FIG. 5, the Peltier element driving power supply 15 applies a voltage to the Peltier element 6 at an arbitrary duty of Ton / Toff at a cycle t 1 according to an instruction from the control means 16. When the period t1 is sufficiently short with respect to the thermal time constant of the Peltier element 6, the Peltier element 6 can be cooled by voltage control with a duty of Ton / Toff, and the thermal durability of the Peltier element 6 It does not have a big influence on.

２０は、ペルチェ素子駆動電源１５の出力波形を示したものであり、一定電圧Ｖｃｏｎｓｔが出力される。２４は、ペルチェ素子６の冷却面６ａの温度の目標となる露点温度ＴＯであり、２５は、ペルチェ素子６の冷却面温度である。   Reference numeral 20 denotes an output waveform of the Peltier element driving power source 15, and a constant voltage Vconst is output. Reference numeral 24 denotes a dew point temperature TO that is a target of the temperature of the cooling surface 6 a of the Peltier element 6, and reference numeral 25 denotes a cooling surface temperature of the Peltier element 6.

以上のように構成されたペルチェ素子６の冷却面６ａの露点温度制御方法について、以下その動作、作用を説明する。   About the dew point temperature control method of the cooling surface 6a of the Peltier element 6 comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

制御手段１６は、吸い込み温度検出手段４と湿度検出手段５で得られた空気の温度と相対湿度から空気調和機周辺の空気の露点温度ＴＯ２４を求め、ペルチェ素子６の冷却面温度２５と露点温度ＴＯ２４の温度差によって、ペルチェ素子駆動電源１５のＴｏｎ／Ｔｏｆｆのデューティーを変更して、ペルチェ素子６の冷却面６ａの温度を制御する。   The control means 16 obtains the dew point temperature TO24 of the air around the air conditioner from the air temperature and the relative humidity obtained by the suction temperature detection means 4 and the humidity detection means 5, and the cooling surface temperature 25 and the dew point temperature of the Peltier element 6 The temperature of the cooling surface 6a of the Peltier element 6 is controlled by changing the Ton / Toff duty of the Peltier element drive power supply 15 according to the temperature difference of the TO24.

ペルチェ素子駆動電源１５の制御開始から高電圧電極８に結露水が発生していると考えられる時間ｔａ経過後より、ペルチェ素子６の冷却面温度２５と露点温度ＴＯ２４の差が±△Ｔａの領域では、空気の温度、相対湿度から予め実験で求められた一定のＴｏｎ／Ｔｏｆｆのデューティーサイクルでペルチェ素子駆動電源１５の制御を行う。   A region where the difference between the cooling surface temperature 25 of the Peltier element 6 and the dew point temperature TO24 is ± ΔTa from the time ta when it is considered that condensed water is generated in the high voltage electrode 8 from the start of the control of the Peltier element driving power supply 15. Then, the Peltier device driving power source 15 is controlled at a constant Ton / Toff duty cycle obtained in advance from experiments based on the temperature and relative humidity of the air.

空気の温度、相対湿度から実験によって得られたＴｏｎ／Ｔｏｆｆのデューティーは、図６のようなテーブルを有する。例えば、制御手段１６は、吸い込み温度検出手段４で得られた空気温度Ｔ１と湿度検出手段５で得られた空気の相対湿度ＲＨ１から図６のテーブルに基づいて、Ｔｏｎ／Ｔｏｆｆのデューティー５０：５０が求められる。   The Ton / Toff duty obtained by experiments from the air temperature and relative humidity has a table as shown in FIG. For example, the control means 16 uses the air temperature T1 obtained by the suction temperature detection means 4 and the relative humidity RH1 of the air obtained by the humidity detection means 5 based on the table of FIG. Is required.

高電圧電極８に過不足なく結露を発生させるためには、空気の温度、湿度と静電霧化の状態を確認しながら求められたＴｏｎ／Ｔｏｆｆのデューティーサイクルを維持することが必要であり、図６のテーブルは、図４のテーブルと対応して、空気清浄装置１の使用温度、湿度範囲を複数領域に分割され、分割された各領域内には、実験にて求められたＴｏｎ／Ｔｏｆｆデューティーが各領域の代表値として代入されている。   In order to generate condensation without excess or deficiency in the high voltage electrode 8, it is necessary to maintain the duty cycle of Ton / Toff determined while confirming the temperature, humidity and electrostatic atomization state of the air, The table in FIG. 6 corresponds to the table in FIG. 4, and the operating temperature and humidity range of the air cleaning device 1 are divided into a plurality of regions, and in each of the divided regions, Ton / Toff determined by experiments. Duty is substituted as a representative value of each area.

ペルチェ素子駆動電源１５によるペルチェ素子６の冷却面温度２５の制御開始からｔａの時間が経過すると、冷却面６ａに配された高電圧電極８も冷却され、高電圧電極８の表面に結露水３１が生じる。この状態で制御手段１６により高電圧電源ユニット１４を制御して、静電霧化ユニット１２の高電圧電極８と対向電極３２間に高電圧を印加すると、高電圧電極８の表面の結露水は、静電霧化によりミスト１１となり、空気中に拡散していく。静電霧化によりミスト１１が良好に発生しているかどうかは、静電霧化状態検出手段１３から得られる放電電流の状況から判断できる。 When the time ta has elapsed since the start of the control of the cooling surface temperature 25 of the Peltier element 6 by the Peltier element driving power supply 15, the high voltage electrode 8 disposed on the cooling surface 6 a is also cooled, and condensed water 31 is formed on the surface of the high voltage electrode 8. Occurs. In this state, when the high voltage power supply unit 14 is controlled by the control means 16 and a high voltage is applied between the high voltage electrode 8 and the counter electrode 32 of the electrostatic atomization unit 12, the condensed water on the surface of the high voltage electrode 8 is Then, it becomes mist 11 by electrostatic atomization and diffuses in the air. Whether or not the mist 11 is favorably generated by electrostatic atomization can be determined from the state of the discharge current obtained from the electrostatic atomization state detection means 13 .

これにより、比較的簡単なペルチェ素子駆動電源１５で、無給水で静電霧化による室内空気の脱臭や室内壁面等の付着物の脱臭を行うことができる。   Thereby, with a relatively simple Peltier device driving power source 15, it is possible to deodorize indoor air or deodorize deposits such as indoor wall surfaces by electrostatic atomization without water supply.

（実施の形態３）
図７は、本発明の第３の実施の形態における空気調和機の空気清浄装置のペルチェ素子の冷却面の露点温度制御方法を示すタイミングチャートである。なお、上記実施の形態と同一部分については、同一符号を付してその説明を省略する。 (Embodiment 3)
FIG. 7 is a timing chart showing a dew point temperature control method for the cooling surface of the Peltier element of the air purifier for an air conditioner according to the third embodiment of the present invention. In addition, about the same part as the said embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

ペルチェ素子駆動電源１５は、制御手段１６からの指示により、ｔ１周期で、Ｔｏｎ／Ｔｏｆｆの任意のデューティーでペルチェ素子６に電圧を印加する。ｔ１周期が、ペルチェ素子６の熱時定数に対して、十分に短い範囲なら、Ｔｏｎ／Ｔｏｆｆのデューティーサイクルでの電圧制御によって、ペルチェ素子６の冷却が可能となる。一旦、ペルチェ素子６の冷却面温度２５が露点温度の±Ｔａ範囲内に入ると、図６で示される空気の温度、相対湿度から予め実験で求められた一定のＴｏｎ／Ｔｏｆｆのデューティーサイクルでペルチェ素子駆動電源１５が制御される。   The Peltier element driving power supply 15 applies a voltage to the Peltier element 6 at an arbitrary duty of Ton / Toff in a cycle t1 according to an instruction from the control unit 16. If the period t1 is in a sufficiently short range with respect to the thermal time constant of the Peltier element 6, the Peltier element 6 can be cooled by voltage control with a duty cycle of Ton / Toff. Once the cooling surface temperature 25 of the Peltier element 6 falls within the ± Ta range of the dew point temperature, the Peltier is operated at a constant Ton / Toff duty cycle obtained in advance from experiments based on the air temperature and relative humidity shown in FIG. The element drive power supply 15 is controlled.

２７は、高電圧電源１４ｃの出力状態を示し、図７では、高電圧電極８と対向電極３２間には、高電圧が印加された状態となっている。また、２６は、静電霧化状態検出手段１３から得られたミスト発生状況である。 Reference numeral 27 denotes an output state of the high voltage power supply 14c. In FIG. 7, a high voltage is applied between the high voltage electrode 8 and the counter electrode 32. Reference numeral 26 denotes a mist generation state obtained from the electrostatic atomization state detection means 13 .

以上のように構成されたペルチェ素子の冷却面の露点温度制御方法について、以下その動作、作用を説明する。   About the dew point temperature control method of the cooling surface of the Peltier device comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

ペルチェ素子６の冷却面温度２５を吸い込み温度検出手段４と湿度検出手段５で得られた空気の温度、相対湿度から空気調和機周辺の空気の露点温度ＴＯとペルチェ素子駆動電源１５のＴｏｎ／Ｔｏｆｆのデューティーにより、理想的には、図７のＡ区間において、高電圧電極８に結露水が生じ、静電霧化によりミストが発生することになるが、吸い込み温度検出手段４と湿度検出手段５の個体差や検出誤差、冷却面温度測定手段７の個体差や検出誤差及びペルチェ素子６自体の冷却能力の個体差により図６のように予め定められたペルチェ素子駆動電源１５のＴｏｎ／Ｔｏｆｆのデューティーでは、図７の区間Ａのようにペルチェ素子６の冷却面温度２５が見かけ上、露点温度以下に達しているにも関わらず、静電霧化状態検出手段１３で、ミストが良好でないことが検出される可能性がある。 The cooling surface temperature 25 of the Peltier element 6 is sucked in. The dew point temperature TO of the air around the air conditioner and the Ton / Toff of the Peltier element drive power supply 15 from the air temperature and relative humidity obtained by the temperature detection means 4 and the humidity detection means 5. Ideally, in the section A in FIG. 7, condensed water is generated in the high voltage electrode 8 and mist is generated due to electrostatic atomization. However, the suction temperature detecting means 4 and the humidity detecting means 5 The Ton / Toff of the Peltier element drive power supply 15 determined in advance as shown in FIG. 6 due to individual differences and detection errors of the cooling surface, individual differences and detection errors of the cooling surface temperature measuring means 7, and individual differences in the cooling capacity of the Peltier elements 6 themselves. the duty, the cooling surface temperature 25 apparently the Peltier element 6 as the section a in FIG. 7, despite reaching below the dew point temperature, in the electrostatic atomization state detecting means 13 There is a possibility that the mist is detected to be not good.

したがって、高電圧電極８に高電圧を印加してから、一定時間経過しても、静電霧化状態検出手段１３により、良好なミストが検出されない場合には、図７の区間Ｂのように冷却面６ａの温度目標である露点温度ＴＯ２４を下げるとともに、予め定められたペルチェ素子駆動電源１５のＴｏｎ／Ｔｏｆｆデュ−ティーをＴｏｎが増加する方向に補正する。これにより、ペルチェ素子６の冷却能力を向上させ、ペルチェ素子６の冷却面温度２５を露点温度ＴＯ２４以下に到達させることができる。この制御における露点温度ＴＯ２４の変更値及びＴｏｎの補正値については、空気清浄装置１の使用温度、湿度範囲を複数領域に分割し、分割された各領域毎に、露点温度変更値及びＴｏｎの補正値を定めてもよいし、全ての領域において、一律に変更させてもよい。 Therefore, if a good mist is not detected by the electrostatic atomization state detection means 13 even after a lapse of a certain time after applying a high voltage to the high voltage electrode 8, as shown in section B of FIG. The dew point temperature TO24 which is the temperature target of the cooling surface 6a is lowered, and the predetermined Ton / Toff duty of the Peltier element driving power supply 15 is corrected in a direction in which Ton increases. Thereby, the cooling capacity of the Peltier element 6 can be improved, and the cooling surface temperature 25 of the Peltier element 6 can be made to reach the dew point temperature TO24 or less. Regarding the change value of the dew point temperature TO24 and the correction value of Ton in this control, the operating temperature and humidity range of the air cleaning device 1 are divided into a plurality of regions, and the dew point temperature change value and the correction of Ton are divided for each divided region. A value may be set, or may be changed uniformly in all regions.

冷却面６ａが真の露点温度に達すると、冷却面６ａに配された高電圧電極８も冷却され、高電圧電極８の表面に結露水３１が生じ、静電霧化ユニット１２の高電圧電極８と対向電極３２間に高電圧を印加すると、高電圧電極８の表面の結露水３１は、静電霧化によりミスト１１となり、空気中に拡散していく。   When the cooling surface 6a reaches the true dew point temperature, the high voltage electrode 8 disposed on the cooling surface 6a is also cooled, and dew condensation water 31 is generated on the surface of the high voltage electrode 8, and the high voltage electrode of the electrostatic atomization unit 12 When a high voltage is applied between 8 and the counter electrode 32, the dew condensation water 31 on the surface of the high voltage electrode 8 becomes mist 11 due to electrostatic atomization and diffuses into the air.

これにより、比較的簡単なペルチェ素子駆動電源１５及び制御方法で、無給水で静電霧化による室内空気の脱臭や室内壁面等の付着物の脱臭を行うことができる。   Thereby, with the relatively simple Peltier element drive power supply 15 and control method, it is possible to deodorize indoor air and deodorize deposits such as indoor wall surfaces by electrostatic atomization without water supply.

（実施の形態４）
図８は、本発明の第４の実施の形態における空気調和機の空気清浄装置のペルチェ素子の冷却面の露点温度制御方法を示すタイミングチャート、図９は、空気の温度及び相対湿度とペルチェ素子印加電圧のデューティーの相関関係を示すテーブルである。なお、上記実施の形態と同一部分については、同一符号を付してその説明を省略する。 (Embodiment 4)
FIG. 8 is a timing chart showing a dew point temperature control method for the cooling surface of the Peltier element of the air purifier of the air conditioner according to the fourth embodiment of the present invention, and FIG. 9 shows the air temperature, relative humidity and Peltier element. It is a table which shows the correlation of the duty of an applied voltage. In addition, about the same part as the said embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

ペルチェ素子駆動電源１５は、制御手段１６からの指示された任意の電圧をペルチェ素子６に対して印加することができる構成となっている。図８において、２０は、ペルチェ素子駆動電源１５の出力波形、２４は、ペルチェ素子６の冷却面温度の目標となる露点温度ＴＯであり、２５は、ペルチェ素子６の冷却面温度である。   The Peltier element drive power supply 15 is configured to be able to apply an arbitrary voltage instructed from the control means 16 to the Peltier element 6. In FIG. 8, 20 is an output waveform of the Peltier element driving power supply 15, 24 is a dew point temperature TO that is a target of the cooling surface temperature of the Peltier element 6, and 25 is a cooling surface temperature of the Peltier element 6.

以上のように構成されたペルチェ素子６の冷却面の露点温度制御方法について、以下その動作、作用を説明する。   The operation and action of the dew point temperature control method for the cooling surface of the Peltier element 6 configured as described above will be described below.

制御手段１６は、ペルチェ素子６の冷却面温度２５を、吸い込み温度検出手段４と湿度検出手段５で得られた空気の温度と相対湿度から空気調和機周辺の空気の露点温度ＴＯ２４を求め、ペルチェ素子６の冷却面温度２５と露点温度ＴＯ２４との温度差によって、ペルチェ素子駆動電源１５の電圧を変えて、ペルチェ素子６の冷却面６ａの露点温度制御を行う。   The control means 16 obtains the dew point temperature TO24 of the air around the air conditioner from the air temperature and the relative humidity obtained by the suction temperature detection means 4 and the humidity detection means 5 from the cooling surface temperature 25 of the Peltier element 6, and The dew point temperature of the cooling surface 6a of the Peltier element 6 is controlled by changing the voltage of the Peltier element driving power supply 15 according to the temperature difference between the cooling surface temperature 25 of the element 6 and the dew point temperature TO24.

また、ペルチェ素子６の冷却面温度２５と露点温度ＴＯ２４の差が±△Ｔａの領域では、空気の温度と相対湿度から予め実験で求められた一定の電圧となるようにペルチェ素子駆動電源１５を制御する。空気の温度と相対湿度から実験によって得られた露点温度制御に必要なペルチェ素子駆動電圧は、図９のようなテーブルを有する。   Further, in the region where the difference between the cooling surface temperature 25 of the Peltier element 6 and the dew point temperature TO24 is ± ΔTa, the Peltier element driving power source 15 is set so as to be a constant voltage obtained beforehand through experiments from the air temperature and relative humidity. Control. The Peltier element driving voltage necessary for dew point temperature control obtained by experiments from the air temperature and relative humidity has a table as shown in FIG.

例えば、制御手段１６は、吸い込み温度検出手段４で得られた空気温度Ｔ１と湿度検出手段５で得られた空気の相対湿度ＲＨ１から図９のテーブルに基づいて、１．４Ｖが求められる。高電圧電極８に過不足なく結露を発生させるためには、空気の温度と湿度と静電霧化の状態を確認しながら求められたペルチェ素子印加電圧を維持することが必要であり、図９のテーブルは、図４のテーブルと対応して、空気清浄装置１の使用温度・湿度範囲を複数領域に分割され、分割された領域毎に印加すべき電圧が割り当てられている。   For example, the control means 16 obtains 1.4V from the air temperature T1 obtained by the suction temperature detection means 4 and the relative humidity RH1 of the air obtained by the humidity detection means 5 based on the table of FIG. In order to generate dew condensation on the high voltage electrode 8 without excess or deficiency, it is necessary to maintain the Peltier element applied voltage obtained while confirming the temperature and humidity of the air and the state of electrostatic atomization. 4 corresponds to the table of FIG. 4, the operating temperature / humidity range of the air cleaning device 1 is divided into a plurality of regions, and a voltage to be applied is assigned to each of the divided regions.

ペルチェ素子駆動電源１５による冷却面６ａの露点温度の制御開始からしばらく時間が経過すると、冷却面６ａに配された高電圧電極８も冷却され、高電圧電極８の表面に結露水３１が生じる。この状態で制御手段１６により高電圧電源ユニット１４を制御して、静電霧化ユニット１２の高電圧電極８と対向電極３２間に高電圧を印加すると、高電圧電極８の表面の結露水３１は、静電霧化によりミスト１１となり、空気中に拡散していく。静電霧化によりミスト１１が良好に発生しているかどうかは、静電霧化状態検出手段１３から得られる放電電流の状況から判断できる。 When a certain amount of time elapses from the start of control of the dew point temperature of the cooling surface 6 a by the Peltier element driving power supply 15, the high voltage electrode 8 disposed on the cooling surface 6 a is also cooled, and dew condensation water 31 is generated on the surface of the high voltage electrode 8. In this state, when the high voltage power supply unit 14 is controlled by the control means 16 and a high voltage is applied between the high voltage electrode 8 and the counter electrode 32 of the electrostatic atomization unit 12, condensed water 31 on the surface of the high voltage electrode 8. Becomes mist 11 by electrostatic atomization and diffuses in the air. Whether or not the mist 11 is favorably generated by electrostatic atomization can be determined from the state of the discharge current obtained from the electrostatic atomization state detection means 13 .

以上のように、ペルチェ素子駆動電源１５の電圧を細かく制御することで、無給水で静電霧化による室内空気の脱臭や室内壁面等の付着物の脱臭を行うことができる。   As described above, by finely controlling the voltage of the Peltier device driving power source 15, it is possible to deodorize indoor air and deodorize deposits such as indoor wall surfaces by electrostatic atomization without water supply.

（実施の形態５）
図１０は、本発明の第５の実施の形態における空気調和機の空気清浄装置のペルチェ素子の冷却面の露点温度制御方法を示すタイミングチャートである。なお、上記実施の形態と同一部分については、同一符号を付してその説明を省略する。 (Embodiment 5)
FIG. 10 is a timing chart showing a dew point temperature control method for the cooling surface of the Peltier element of the air purifier for an air conditioner according to the fifth embodiment of the present invention. In addition, about the same part as the said embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

ペルチェ素子駆動電源１５は、制御手段１６からの指示により、任意の電圧をペルチェ
素子６に印加し、ペルチェ素子６の冷却を行う。一旦、ペルチェ素子６の冷却面温度２５が露点温度ＴＯ２４の±Ｔａ範囲内に入ると、図９で示される空気の温度・相対湿度から予め実験で求められた電圧をペルチェ素子６に印加する。 The Peltier element driving power supply 15 applies an arbitrary voltage to the Peltier element 6 according to an instruction from the control unit 16 to cool the Peltier element 6. Once the cooling surface temperature 25 of the Peltier element 6 falls within the ± Ta range of the dew point temperature TO24, a voltage obtained in advance by experiments from the air temperature and relative humidity shown in FIG. 9 is applied to the Peltier element 6.

２７は、高電圧電源１４ｃの出力状態を示し、高電圧電極８と対向電極３２間に、高電圧が印加された状態となっている。また、２６は、静電霧化状態検出手段１３から得られたミスト発生状況である。 Reference numeral 27 denotes an output state of the high voltage power supply 14 c, in which a high voltage is applied between the high voltage electrode 8 and the counter electrode 32. Reference numeral 26 denotes a mist generation state obtained from the electrostatic atomization state detection means 13 .

以上のように構成された空気清浄装置１の冷却面６ａの温度制御方法について、以下その動作、作用を説明する。   About the temperature control method of the cooling surface 6a of the air purifying apparatus 1 comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

ペルチェ素子６の冷却面温度２５を、吸い込み温度検出手段４と湿度検出手段５で得られた空気の温度と相対湿度から、空気調和機２周辺の空気の露点温度ＴＯ２４とペルチェ素子駆動電源１５の電圧により、理想的には、図１０のＡ区間において、高電圧電極８に結露水３１が生じ、静電霧化によりミストが発生することになる。   The cooling surface temperature 25 of the Peltier element 6 is determined from the air temperature and relative humidity obtained by the suction temperature detection means 4 and the humidity detection means 5, and the dew point temperature TO24 of the air around the air conditioner 2 and the Peltier element drive power supply 15. Ideally, the condensed water 31 is generated in the high voltage electrode 8 in the section A of FIG. 10 due to the voltage, and mist is generated by electrostatic atomization.

しかしながら、吸い込み温度検出手段４と湿度検出手段５の個体差や検出誤差や冷却面温度測定手段７の個体差や検出誤差及びペルチェ素子６自体の冷却能力の個体差により予め定められたペルチェ素子６への印加電圧では、図１０の区間Ａのようにペルチェ素子６の冷却面温度２５が見かけ上、露点温度ＴＯ２４以下に達しているにも関わらず、静電霧化状態検出手段１３で良好なミストが検出されないことも考えられる。 However, the Peltier element 6 is determined in advance by individual differences and detection errors between the suction temperature detecting means 4 and the humidity detecting means 5, individual differences and detection errors of the cooling surface temperature measuring means 7, and individual differences in the cooling capacity of the Peltier element 6 itself. As shown in the section A of FIG. 10, the electrostatic atomization state detection means 13 is satisfactory even though the cooling surface temperature 25 of the Peltier element 6 apparently reaches the dew point temperature TO24 or less. It is also conceivable that mist is not detected.

したがって、高電圧電極８に高電圧を印加してから、一定時間経過しても、静電霧化状態検出手段１３で、ミストが良好に発生していないと検出された場合には、図１０の区間Ｂのようにペルチェ素子６の冷却面６ａの温度目標である露点温度ＴＯ２４を補正するとともに、予め定められたペルチェ素子駆動電源１５の電圧も増加する方向に補正する。 Therefore, when it is detected by the electrostatic atomization state detection means 13 that mist is not generated well even after a predetermined time has elapsed since the high voltage is applied to the high voltage electrode 8, FIG. As in section B, the dew point temperature TO24 that is the temperature target of the cooling surface 6a of the Peltier element 6 is corrected, and the predetermined voltage of the Peltier element driving power supply 15 is also corrected to increase.

これにより、ペルチェ素子６の冷却能力を増大させ、ペルチェ素子６の冷却面温度２５が露点温度ＴＯ２４以下に到達させることができる。この制御における露点温度ＴＯ２４の変更値及び印加電圧の補正値については、空気清浄装置１の使用温度、湿度範囲を複数領域に分割し、分割各領域毎に露点温度変更値及び印加電圧の補正値を定めてもよいし、全ての領域において、一律に変更させてもよい。   Thereby, the cooling capacity of the Peltier element 6 can be increased, and the cooling surface temperature 25 of the Peltier element 6 can reach the dew point temperature TO24 or less. Regarding the change value of the dew point temperature TO24 and the correction value of the applied voltage in this control, the operating temperature and humidity range of the air cleaning device 1 are divided into a plurality of regions, and the dew point temperature change value and the correction value of the applied voltage are divided for each divided region. Or may be changed uniformly in all regions.

ペルチェ素子の冷却面６ａが真の露点温度に達すると、冷却面６ａに配された高電圧電極８も冷却され、高電圧電極８の表面に結露水３１が生じ、静電霧化ユニット１２の高電圧電極８と対向電極３２間に高電圧が印加されると、高電圧電極８の表面の結露水３１は、静電霧化によりミスト１１となり、空気中に拡散していく。   When the cooling surface 6a of the Peltier element reaches the true dew point temperature, the high voltage electrode 8 disposed on the cooling surface 6a is also cooled, and dew condensation water 31 is generated on the surface of the high voltage electrode 8, and the electrostatic atomizing unit 12 When a high voltage is applied between the high voltage electrode 8 and the counter electrode 32, the dew condensation water 31 on the surface of the high voltage electrode 8 becomes mist 11 due to electrostatic atomization and diffuses into the air.

これにより、比較的簡単なペルチェ素子駆動電源１５及び制御方法で、無給水で静電霧化による室内空気の脱臭や室内壁面等の付着物の脱臭を行うことができる。   Thereby, with the relatively simple Peltier element drive power supply 15 and control method, it is possible to deodorize indoor air and deodorize deposits such as indoor wall surfaces by electrostatic atomization without water supply.

（実施の形態６）
図１１は、本発明の第６の実施の形態における空気調和機の空気清浄装置を搭載した空気調和機の各部の消費電力を示す関係図、図１２は、空気の温度及び相対湿度とペルチェ素子の消費電力の相関関係を示すテーブルである。なお、上記実施の形態と同一部分については、同一符号を付してその説明を省略する。 (Embodiment 6)
FIG. 11 is a relational diagram showing the power consumption of each part of an air conditioner equipped with the air purifier for an air conditioner according to the sixth embodiment of the present invention, and FIG. 12 is the temperature and relative humidity of air and the Peltier element. It is a table which shows the correlation of power consumption. In addition, about the same part as the said embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

当然のことながら、空気調和機２の各機能動作は、電源の許容電力内で行なうことが必要となる。   As a matter of course, each functional operation of the air conditioner 2 needs to be performed within the allowable power of the power source.

図１１において、空気調和機２の電源許容出力は、１８Ｗであり、マイコンなどの定常的に消費される電力は１０Ｗ、残された８Ｗを用いて、空気清浄装置１やその他の機能を並列運転させなければならない。したがって、空気調和機２の運転状態によって、ペルチェ素子６に対する最大供給電力に上限を設けることが必要となり、例えば、空気調和機２の上下羽根４６が動作している場合には、これに要する２Ｗと高電圧電源ユニット１４の消費電力２Ｗが差し引かれ、ペルチェ素子６への最大供給電力は、４Ｗとなる。   In FIG. 11, the allowable power output of the air conditioner 2 is 18 W, the constant power consumed by a microcomputer or the like is 10 W, and the remaining 8 W is used to operate the air purifier 1 and other functions in parallel. I have to let it. Therefore, it is necessary to set an upper limit on the maximum power supply to the Peltier element 6 depending on the operating state of the air conditioner 2. For example, when the upper and lower blades 46 of the air conditioner 2 are operating, 2 W required for this is required. And the power consumption 2 W of the high voltage power supply unit 14 is subtracted, and the maximum power supplied to the Peltier element 6 is 4 W.

図１２は、吸い込み温度検出手段４と湿度検出手段５から得られた空気の温度及び相対湿度と冷却面６ａの露点温度制御を行った時のペルチェ素子６の消費電力を示すもので、空気清浄装置１の使用温度、湿度範囲を複数領域に分割し、各領域内におけるペルチェ素子６の消費電力が収められてある。制御手段１６は、上記図１２のテーブルを有し、上記のような例では、空気温度及び相対湿度が図１２の斜線部の領域にあるときのみ、空気清浄装置１を動作させるようにする。   FIG. 12 shows the air temperature and relative humidity obtained from the suction temperature detecting means 4 and the humidity detecting means 5 and the power consumption of the Peltier element 6 when the dew point temperature control of the cooling surface 6a is performed. The operating temperature and humidity range of the device 1 is divided into a plurality of regions, and the power consumption of the Peltier element 6 in each region is stored. The control means 16 has the table of FIG. 12, and in the example as described above, the air purifier 1 is operated only when the air temperature and relative humidity are in the shaded area of FIG.

これにより、空気調和機２の安定運転を確保できるとともに、空気調和機２の電源容量を小さくすることができ、空気調和機２の電源コストを抑えることができる。   Thereby, while being able to ensure the stable operation of the air conditioner 2, the power capacity of the air conditioner 2 can be reduced, and the power supply cost of the air conditioner 2 can be suppressed.

（実施の形７）
図１３は、本発明の第７の実施の形態における空気調和機の空気清浄装置の高電圧電源の垂下特性を示したものである。なお、上記実施の形態と同一部分については、同一符号を付してその説明を省略する。 (Embodiment 7)
FIG. 13 shows the drooping characteristic of the high voltage power supply of the air purifier of the air conditioner according to the seventh embodiment of the present invention. In addition, about the same part as the said embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

本実施の形態は、図１３に示すように、正常な静電霧化状態で高電圧電源１４ｃの２次側を流れる電流を基準に、垂下点負荷電流４０を設定し、垂下点を超える負荷電流が流れると急激に出力電圧及び電流を低下させる特性を持たせたものである。   In the present embodiment, as shown in FIG. 13, a droop point load current 40 is set based on the current flowing through the secondary side of the high voltage power supply 14c in a normal electrostatic atomization state, and the load exceeds the droop point. When current flows, the output voltage and current are rapidly reduced.

以上のように構成された空気調和機２の空気清浄装置１について、以下その動作、作用を説明する。   About the air purifying apparatus 1 of the air conditioner 2 comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

第１の実施の形態で述べたように、高電圧電極８に結露した水を霧化してミストを発生させる静電霧化ユニット１２を空気調和機２の吹き出し口４５に配設しているため、高電圧電極８と対向電極３２間は塵埃に晒され、前記２つの電極間で異常放電が発生する恐れがある。さらに、高電圧電極８は、ペルチェ素子６で冷却され、結露水３１が発生することを考えると、高電圧電極８と対向電極間３２は、塵埃の積層により短絡異常あるいは、異常放電が発生する恐れがある。短絡異常や異常放電を放置しておくと最悪、静電霧化ユニット１２あるいは、空気調和機２から発火・発煙に至るケースが考えられるが、高電圧電源１４ｃに、短絡異常あるいは、異常放電に対して、負荷電流の垂下特性４１を持たせる事により、短絡異常及び異常放電の継続を防止することができる。   As described in the first embodiment, the electrostatic atomization unit 12 that atomizes the water condensed on the high voltage electrode 8 to generate mist is disposed at the outlet 45 of the air conditioner 2. The high voltage electrode 8 and the counter electrode 32 are exposed to dust, and abnormal discharge may occur between the two electrodes. Further, considering that the high voltage electrode 8 is cooled by the Peltier element 6 and the condensed water 31 is generated, a short circuit abnormality or abnormal discharge occurs between the high voltage electrode 8 and the counter electrode 32 due to the accumulation of dust. There is a fear. If the short circuit abnormality or abnormal discharge is left as it is, the worst case is that the electrostatic atomization unit 12 or the air conditioner 2 leads to ignition / smoke. However, the high voltage power supply 14c may cause short circuit abnormality or abnormal discharge. On the other hand, by providing the load current drooping characteristic 41, it is possible to prevent the short-circuit abnormality and the abnormal discharge from continuing.

すなわち、高電圧電源１４ｃに、負荷電流が所定の値を超えたときに出力電圧及び電流を低下させる垂下特性を持たせて、短絡保護装置としたものである。   That is, the high-voltage power supply 14c has a drooping characteristic that lowers the output voltage and current when the load current exceeds a predetermined value, thereby providing a short-circuit protection device.

これにより、静電霧化ユニット１２の高電圧電極８と対向電極間３２間に異常放電や短絡異常が発生しても、高電圧電源１４ｃにて、前記２つの異常を継続させないため、静電霧化ユニット１２及び空気調和機２の発火・発煙を防止、空気清浄装置１の安全性を向上させることができる。   Thereby, even if abnormal discharge or short circuit abnormality occurs between the high voltage electrode 8 and the counter electrode 32 of the electrostatic atomization unit 12, the two abnormalities are not continued in the high voltage power supply 14c. The ignition / smoke of the atomizing unit 12 and the air conditioner 2 can be prevented, and the safety of the air cleaning device 1 can be improved.

（実施の形態８）
図１４は、本発明の第８の実施の形態における空気調和機の空気清浄装置の高電圧電源ユニット１４のブロックダイアグラムを示したものである。 (Embodiment 8)
FIG. 14 shows a block diagram of the high voltage power supply unit 14 of the air purifier of the air conditioner according to the eighth embodiment of the present invention.

本実施の形態は、高電圧電源ユニット１４に、垂下特性を有する高電圧発生回路１４ａと短絡異常や放電異常を検出する異常検出回路１４ｂを備え、高電圧電源ユニット１４への電力供給を入り切りするスイッチ４３と、ユーザーに対して、短絡や放電等の異常発生を表示する異常表示手段４２を設けたものである。   In the present embodiment, the high voltage power supply unit 14 includes a high voltage generation circuit 14a having a drooping characteristic and an abnormality detection circuit 14b that detects a short circuit abnormality or a discharge abnormality, and turns on and off the power supply to the high voltage power supply unit 14. The switch 43 and an abnormality display means 42 for displaying the occurrence of an abnormality such as a short circuit or discharge to the user are provided.

以上のように構成された空気調和機の空気清浄装置について、以下その動作、作用を説明する。   About the air purifier of the air conditioner comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

高電圧電極８に結露した水を霧化してミストを発生させる静電霧化ユニット１２が、空気調和機２の吹き出し口４５に配設されているため、高電圧電極８と対向電極３２間が塵埃で短絡され、前記２つの電極間で異常放電が発生したり、高電圧電極８は、ペルチェ素子６で冷却され、結露水が発生することを考えると、高電圧電極８と対向電極３２間に、短絡異常あるいは、異常放電が発生する恐れがある。また、短絡異常や異常放電を放置しておくと最悪、発火発煙に至るケースが考えられるが、本実施の形態では、高電圧電源ユニット１４の高電圧発生回路１４ａは、短絡異常あるいは、異常放電の際に流れる負荷電流の垂下特性を有しているので、短絡異常及び異常放電の継続を防止することができる。さらに、異常検出回路１４ｂで短絡異常や放電異常が検出された時に、その発生状況を制御手段１６に伝達することにより、制御手段１６により高電圧電源ユニット１４への電力供給をスイッチ４３で切ったり、ユーザーに対して、異常表示手段４２にて、静電霧化ユニット１２の保守・点検を知らしめることができる。   Since the electrostatic atomization unit 12 that atomizes water condensed on the high voltage electrode 8 to generate mist is disposed at the outlet 45 of the air conditioner 2, the gap between the high voltage electrode 8 and the counter electrode 32 is provided. Considering that a short circuit is caused by dust and abnormal discharge occurs between the two electrodes, or that the high voltage electrode 8 is cooled by the Peltier element 6 to generate dew condensation water, the condensation between the high voltage electrode 8 and the counter electrode 32 occurs. In addition, there is a risk of short circuit abnormality or abnormal discharge. In addition, in the present embodiment, the high voltage generation circuit 14a of the high voltage power supply unit 14 may be short circuit abnormal or abnormal discharge. Therefore, it is possible to prevent the short-circuit abnormality and the abnormal discharge from continuing. Further, when a short circuit abnormality or a discharge abnormality is detected by the abnormality detection circuit 14b, the state of occurrence is transmitted to the control means 16, whereby the control means 16 cuts off the power supply to the high voltage power supply unit 14 with the switch 43. The user can be informed of maintenance / inspection of the electrostatic atomizing unit 12 by the abnormality display means 42.

これにより、静電霧化ユニット１２の高電圧電極８と対向電極３２間に異常放電や短絡異常が発生しても、高電圧電源１４ｃにて前記２つの異常を継続させないため、静電霧化ユニット１２及び空気調和機２の発火・発煙を防止、空気清浄装置１及び空気調和機２の安全性を向上させることができる。   Thereby, even if abnormal discharge or short circuit abnormality occurs between the high voltage electrode 8 and the counter electrode 32 of the electrostatic atomization unit 12, the two abnormalities are not continued in the high voltage power supply 14c. It is possible to prevent the unit 12 and the air conditioner 2 from igniting and smoking, and to improve the safety of the air purifier 1 and the air conditioner 2.

以上のように、本発明にかかる空気調和機の空気清浄装置は、安全性が高く、しかも無給水で放電霧化による脱臭を実現することが可能であり、居室やトイレや車室内などの空間の脱臭用途に適用できる。また、生ゴミ処理機や洗濯機や掃除機など機器から発生する臭気の脱臭の用途にも適用できる。   As described above, the air purifier for an air conditioner according to the present invention is highly safe and can realize deodorization by discharge atomization with no water supply, such as a living room, a toilet, or a vehicle interior. It can be used for deodorizing purposes. It can also be applied to deodorizing odors generated from devices such as garbage disposal machines, washing machines and vacuum cleaners.

本発明の実施の形態１における空気清浄装置を搭載した空気調和機の断面図Sectional drawing of the air conditioner carrying the air purifying apparatus in Embodiment 1 of this invention. 同空気清浄装置の静電霧化ユニットの断面図Sectional view of the electrostatic atomization unit of the air purifier 同空気清浄装置のブロックダイアグラムを示す図The figure which shows the block diagram of the same air purifier 同空気清浄装置における空気の温度及び相対湿度と露点温度の相関関係を示すテーブルを示す図The figure which shows the table which shows the correlation of the temperature of air, relative humidity, and dew point temperature in the same air purifying apparatus. 本発明の実施の形態２における空気調和機の空気清浄装置のペルチェ素子の冷却面の露点温度制御方法を示すタイミングチャートTiming chart showing a method for controlling the dew point temperature of the cooling surface of the Peltier element of the air purifier for an air conditioner according to Embodiment 2 of the present invention 同空気清浄装置における空気の温度及び相対湿度とペルチェ素子電圧印加時間Ｔｏｎ／Ｔｏｆｆのデューティーの相関関係を示すテーブルを示す図The figure which shows the table which shows the correlation of the temperature of air, relative humidity, and the duty of Peltier device voltage application time Ton / Toff in the same air purifier. 本発明の実施の形態３における空気調和機の空気清浄装置のペルチェ素子の冷却面の露点温度制御方法を示すタイミングチャートTiming chart showing a method for controlling the dew point temperature of the cooling surface of the Peltier element of the air purifier for an air conditioner according to Embodiment 3 of the present invention 本発明の実施の形態４における空気調和機の空気清浄装置のペルチェ素子の冷却面の露点温度制御方法を示すタイミングチャートTiming chart showing a dew point temperature control method for the cooling surface of the Peltier element of the air purifier for an air conditioner according to Embodiment 4 of the present invention 同空気清浄装置における空気の温度及び相対湿度とペルチェ素子印加電圧のデューティーの相関関係を示すテーブルを示す図The figure which shows the table which shows the correlation of the duty of the temperature of air, relative humidity, and the Peltier device applied voltage in the air purifier 本発明の実施の形態５における空気調和機の空気清浄装置のペルチェ素子の冷却面の露点温度制御方法を示すタイミングチャートTiming chart showing the dew point temperature control method for the cooling surface of the Peltier element of the air purifier for an air conditioner according to Embodiment 5 of the present invention 本発明の実施の形態６における空気調和機の空気清浄装置を搭載した空気調和機の各部の消費電力を示す関係図The relationship figure which shows the power consumption of each part of the air conditioner which mounts the air purifier of the air conditioner in Embodiment 6 of this invention. 同空気清浄装置における空気の温度及び相対湿度とペルチェ素子の消費電力の相関関係を示すテーブルを示す図The figure which shows the table which shows the correlation of the temperature and relative humidity of air in the same air purifier, and the power consumption of a Peltier device 本発明の実施の形態７における空気調和機の空気浄化装置の高電圧電源の垂下特性を示す図The figure which shows the drooping characteristic of the high voltage power supply of the air purification apparatus of the air conditioner in Embodiment 7 of this invention 本発明の実施の形態８における空気調和機の空気清浄装置の一部の回路を示すブロックダイアグラムを示す図The figure which shows the block diagram which shows the one part circuit of the air cleaner of the air conditioner in Embodiment 8 of this invention. 従来の空気調和機の静電霧化式空気浄化装置の具体的構造を示す正面図The front view which shows the specific structure of the electrostatic atomization type air purification apparatus of the conventional air conditioner 従来の空気清浄機の断面図Cross section of conventional air purifier

１ 空気清浄装置
２ 空気調和機
４ 吸い込み温度検出手段
６ ペルチェ素子
７ 冷却面温度測定手段
８ 高電圧電極
１１ ミスト
１２ 静電霧化ユニット
１３ 静電霧化状態検出手段
１４ 高電圧電源ユニット
１４ｃ 高電圧電源
１５ ペルチェ素子駆動電源
３０ 湿度検出手段
３１ 結露水
３２ 対向電極 DESCRIPTION OF SYMBOLS 1 Air purifier 2 Air conditioner 4 Suction temperature detection means 6 Peltier element 7 Cooling surface temperature measurement means 8 High voltage electrode 11 Mist 12 Electrostatic atomization unit 13 Electrostatic atomization state detection means 14 High voltage power supply unit 14c High voltage Power supply 15 Peltier element drive power supply 30 Humidity detection means 31 Condensation water 32 Counter electrode

Claims (8)

空気調和機内に配され静電霧化してミストを発生させる静電霧化ユニットと、高電圧電源ユニットと、空気調和機周辺の空気の温度を検出する吸い込み温度検出手段と、同空気の湿度を検出する湿度検出手段と、ペルチェ素子駆動電源とを備え、前記静電霧化ユニットは、前記ペルチェ素子駆動電源で駆動されるペルチェ素子と、前記ペルチェ素子の冷却面の温度を測定する冷却面温度測定手段と、前記冷却面に配された高電圧電極と、前記高電圧電極に対向して設けられた対向電極を有し、前記高電圧電源ユニットは、前記高電圧電極と前記対向電極間に高電圧を印加する高電圧電源と、前記高電圧電極と前記対向電極との間に流れる放電電流によりミストの発生状況を検出する静電霧化状態検出手段を有し、前記吸い込み温度検出手段と前記湿度検出手段の検出結果に基づいて、前記ペルチェ素子駆動電源及び高電圧電源を制御することにより前記高電圧電極を空気調和機周辺の空気の露点温度以下にすることを特徴とする空気調和機の空気清浄装置。 An electrostatic atomization unit that is arranged in the air conditioner and generates mist by electrostatic atomization, a high-voltage power supply unit, a suction temperature detection means for detecting the temperature of the air around the air conditioner, and the humidity of the air Humidity detection means for detecting, and a Peltier element drive power supply, the electrostatic atomization unit is a Peltier element driven by the Peltier element drive power supply, and a cooling surface temperature for measuring the temperature of the cooling surface of the Peltier element Measuring means; a high voltage electrode disposed on the cooling surface; and a counter electrode provided to face the high voltage electrode, wherein the high voltage power supply unit is disposed between the high voltage electrode and the counter electrode. a high voltage power supply for applying a high voltage, the high voltage electrode and having an electrostatic atomization state detection means for detecting the occurrence of mist by the discharge current flowing between the counter electrode, and the suction temperature detecting means Based on the serial humidity detecting means of the detection result, the Peltier element air conditioner, characterized by the high voltage electrode to below the dew point temperature of the air around the air conditioner by controlling the drive power supply and the high voltage power supply Air purification equipment. ペルチェ素子駆動電源の出力電圧を一定とし、吸い込み温度検出手段及び湿度検出手段の検出結果から求められた空気調和機周辺の空気の露点温度に対応した電圧印加時間デューティーで、ペルチェ素子に高電圧を印加するようにしたことを特徴とする請求項１に記載の空気調和機の空気清浄装置。 The output voltage of the Peltier element drive power supply is kept constant, and a high voltage is applied to the Peltier element with a voltage application time duty corresponding to the dew point temperature of the air around the air conditioner obtained from the detection results of the suction temperature detection means and the humidity detection means. The air purifier for an air conditioner according to claim 1, wherein the air purifier is applied. ペルチェ素子の冷却面が露点温度以下になるようにする制御開始から一定時間経過後に、高電圧電源ユニットを駆動すると共に、静電霧化状態検出手段により放電の正常あるいは不良の判定を行い、放電不良時に、前記露点温度及び前記露点温度に対応した電圧印加時間デューティーを補正することを特徴とする請求項２に記載の空気調和機の空気清浄装置。 After a certain period of time has elapsed since the start of the control so that the cooling surface of the Peltier element is below the dew point temperature , the high-voltage power supply unit is driven and the electrostatic atomization state detection means determines whether the discharge is normal or defective. The air purifier for an air conditioner according to claim 2, wherein the dew point temperature and a voltage application time duty corresponding to the dew point temperature are corrected when defective. ペルチェ素子に印加されるペルチェ素子駆動電源の出力電圧を、吸い込み温度検出手段及び湿度検出手段から求められた空気調和機周辺の空気の露点温度に応じて変えて前記ペルチェ素子の冷却面が露点温度以下になるようにする制御を行うようにした請求項１に記載の空気調和機の空気清浄装置。 The output voltage of the Peltier element driving power source applied to the Peltier element is changed according to the dew point temperature of the air around the air conditioner obtained from the suction temperature detecting means and the humidity detecting means, and the cooling surface of the Peltier element is dew point temperature. The air purifier for an air conditioner according to claim 1 , wherein control is performed so as to be as follows . ペルチェ素子の冷却面が露点温度以下になるようにする制御開始から一定時間経過後に、
高電圧電源ユニットを駆動すると共に静電霧化状態検出手段により放電の正常あるいは不良の判定を行い、放電不良時に、前記露点温度及び前記露点温度に対応した前記ペルチェ素子の駆動電圧を補正することを特徴とする請求４に記載の空気調和機の空気清浄装置。 After a certain period of time has elapsed since the start of the control so that the cooling surface of the Peltier element is below the dew point temperature ,
Driving the high-voltage power supply unit and determining whether the discharge is normal or defective by the electrostatic atomization state detecting means, and correcting the dew point temperature and the driving voltage of the Peltier element corresponding to the dew point temperature when the discharge is defective The air purifier for an air conditioner according to claim 4. 空気調和機の運転状態に応じてペルチェ素子に供給する最大電力に上限を設け、前記最大電力内で、前記ペルチェ素子の冷却面を露点温度以下にする制御が可能な場合のみ、前記ペルチェ素子への電圧印加を継続することを特徴とする請求項４又は５に記載の空気調和機の空気清浄装置。 An upper limit is set on the maximum power supplied to the Peltier element according to the operating state of the air conditioner, and only when the cooling surface of the Peltier element can be controlled to the dew point temperature or less within the maximum power, to the Peltier element. 6. The air purifier for an air conditioner according to claim 4 or 5, wherein the voltage application is continued. 高電圧電源ユニットに、高電圧電極と対向電極間の短絡を防止する短絡保護装置を設けたことを特徴とする請求項１〜６のいずれか１項に記載の空気調和機の空気清浄装置。 The air purifier for an air conditioner according to any one of claims 1 to 6, wherein a short circuit protection device for preventing a short circuit between the high voltage electrode and the counter electrode is provided in the high voltage power supply unit. 高電圧電源ユニットに、高電圧電極と対向電極間の短絡等の異常を検出する異常検出手段を設けたことを特徴とする請求項１〜７のいずれか１項に記載の空気調和機の空気清浄装置。 The air of an air conditioner according to any one of claims 1 to 7, wherein an abnormality detection means for detecting an abnormality such as a short circuit between the high voltage electrode and the counter electrode is provided in the high voltage power supply unit. Cleaning device.
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