JP2004020025A - Air conditioner - Google Patents

Air conditioner Download PDF

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Publication number
JP2004020025A
JP2004020025A JP2002174332A JP2002174332A JP2004020025A JP 2004020025 A JP2004020025 A JP 2004020025A JP 2002174332 A JP2002174332 A JP 2002174332A JP 2002174332 A JP2002174332 A JP 2002174332A JP 2004020025 A JP2004020025 A JP 2004020025A
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JP
Japan
Prior art keywords
resin
hole
air conditioner
casing
negative ions
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2002174332A
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Japanese (ja)
Inventor
Kiyoshi Abe
阿部 清
Toru Suzuki
鈴木 徹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Corona Corp
Original Assignee
Corona Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Corona Corp filed Critical Corona Corp
Priority to JP2002174332A priority Critical patent/JP2004020025A/en
Publication of JP2004020025A publication Critical patent/JP2004020025A/en
Pending legal-status Critical Current

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  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To stably generate sufficient negative ions inside a room from an emission electrode by smoothly leading charges generated in the periphery of a resin casing or lid body to a ground composed of a spring-like conductive piece. <P>SOLUTION: In this air conditioner, the negative ions are emitted into the room from an ion generation part provided near a blow off part. In the ion generation part provided inside the resin casing of the air conditioner, the casing or the resin lid body 17 installed to the casing is formed with a large number of hole parts 19 each composed of a slit-like oblong hole or a circular small hole, the negative ion-generating emission electrode 20 is positioned opposite to the hole parts 19, at least the lid body 17 or the casing around the hole parts 19 is formed of an antistatic resin or an electroconductive resin, and the lid body 17 or the casing around the hole parts 19 is grounded. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明の属する技術分野】
この発明は負イオンを発生するイオン発生装置を空気調和機に組み込んだ事に関する。
【0002】
【従来の技術】
従来より負イオンが人体に対して良い効果をもたらすことは知られており、生理作用の改善や医学療法等に利用されるものである。
また従来例として本出願人が先に出願した特開平11−72240号で示すように、空気調和機の筐体表面に備えた穴部の内側にイオン発用の針状放射電極を備え、この穴部から負イオンを室内に放出する空気調和機があり、また前記筐体が帯電して負イオンの発生量が減少する事を防止するために、筐体をアースするものであった。
【0003】
【発明が解決しようとする課題】
しかしながら、この従来例は筐体は通常の樹脂材料にて成形されており、放射電極とアースがかなり離れていたために、穴部周囲の電荷をスムーズにアースに流す事ができず、穴部の帯電状態によって室内に放出する負イオンの量にそれぞれの器具によってばらつきが発生する問題があった。
【0004】
【課題を解決するための手段】
この発明はこの点に着目し上記欠点を解決する為、特にその構成を、空気調和機の吹出口近傍に備えたイオン発生部から室内に向けて負イオンを放出するものに於いて、前記空気調和機の樹脂製筐体内方に備えたイオン発生部は前記筐体または筐体に取り付けた樹脂製蓋体に多数のスリット状長穴又は円形小穴から成る穴部を設けると共に、この穴部に対向して負イオン発生用の放射電極を位置させ、少なくとも前記穴部周囲の筐体または蓋体を帯電防止性樹脂又は導電性樹脂にて形成し、前記穴部周囲の筐体または蓋体をアースするものである。
【0005】
これによって樹脂製の筐体又は蓋体の穴部周囲に発生する電荷をスムーズにバネ状の導通片からなるアースに導くことで放射電極から室内に充分な負イオンを安定的に発生することができるものである。
また蓋によって取付も簡単で感電や指先のケガを防止するものである。
【0006】
【発明の実施の形態】
以下この発明の一実施例を図面をもとに説明すれば、1はセパレート式空気調和機の室内機で、本体ケーシング2と前方の前面カバー3によって筐体を形成し、前記前面カバー3の中央から上部には横長スリット状の吸込口4を有するオープンパネル5を備えこのパネル5上部左右に設けた軸(図示せず)を支点として前面カバー3前方へ開閉自在に取付られ、前記吸込口4下方から前面カバー3底面には横長の吹出口6を設け、また前面カバー3上面には前記吸込口4で不足する開口面積を補うために上部吸込口7を設けている。
【0007】
前記吸込口4・7の内側には横長で上下方向には多段に屈曲されたフィンチューブ式の熱交換器8を設け、この熱交換器8の後部には送風用のクロスフローファン9を配置している。
前記熱交換器8の下方には樹脂の発泡材で一体成形されたドレーンユニット10を設け、結露水を受けると共にファン9の送風を吹出口6へ導くエアーガイドの機能を兼ねるものである。
【0008】
11は静電式の空気清浄ユニットで約+2kvの直流電源に接続されアルミ板に多数の穴12aを設けた放電対極12と、この穴12aの略中心に向かって針先を位置させた針状電極13aで形成され約−2kvの直流電源に接続された放電極13とで構成し、空気中の目に見えない塵やタバコの煙を前記放電極13で帯電し放電対極12にて捕捉するものであり、前記熱交換器8と前面パネル3の間の上部空間に取り付けられるものである。
【0009】
また前記吸込口4と熱交換器8、又は吸込口4と空気清浄ユニット11の間には樹脂製で網目状のプレフィルタ14を備え、空気中の比較的大きなホコリを捕捉する。
前記吹出口6の右側には空気調和機の運転状態をランプ等で表示する表示部15を設け、この表示部15の更に右側にはイオン発生部16を設けている。
前記表示部15は前面パネル3の蓋体17に設けた表示穴18をこの蓋体17の背面に対向して位置するランプ等によって運転停止等の表示を行うものであり、前記蓋体17及び前面カバー3はABS等の樹脂により形成される。
【0010】
前記イオン発生部16は蓋体17に設けた穴部19の背面に対向してイオン発生用の放射電極20を位置させこの穴部19より負イオンを放出するものであり、放出したイオンは吹出口6からの送風に乗って室内に拡散するものである。
前記放射電極20は針状で−8kv程の電位がかけられ負イオンを発生するもので、針先は鋭利で有るため誤って指先で触った場合は感電と共に指先に刺さりケガをする危険も有るが、前面の穴部19は一個一個が指先の入らない大きさに設けられているため、放射電極20に指先が接触するようなことはないものである。
【0011】
尚前記穴部19は指先が入らなければ良く、スリット状の長穴をたくさん設けたり、或いは円形の多数の小穴等その穴形状にはこだわらないものである。
前記放射電極20はイオン発生用の高圧ユニット22から穴部19に向かって3本設けられている。
【0012】
23は前記穴部19の近傍で蓋体17の背面に接触する導通片で、該蓋体17の内側をアースするために本体ケーシング2やプリント基板等の電気部品を収納する電装ボックス24に固定され蓋体17が前記前面カバー3に取り付けられた際に、そのバネ性で簡単に取り付けられると共に取り付け後には蓋体17内面に押しつけられるので確実に接触できるものである。
【0013】
また前記導通片23の他端はオス形の端子形状でリード線等により前記電装ボックス24内のアース端子(図示せず)や熱交換器8等に接続して、導通片23の電位を0Vにするものである。
【0014】
図7はABS樹脂への帯電防止剤の添加量の変化によって、成形された樹脂部品の表面固有抵抗値の変化の一例を示すグラフであり、ここで示した添加剤はABS樹脂に約15%添加することで、表面固有抵抗値が約100ギガオーム以下に低下して、帯電防止の性質を示すものである。
【0015】
前記蓋体17及び前面カバー3は通常の樹脂材料に帯電防止剤や導電性の薬剤を添加して成形された帯電防止性または導電性の樹脂であり、通常の樹脂材料で成形されたものが約10,000テラオームであるものに対して、1から100,000メガオームの導電性を呈する事で、前記穴部19周囲の電荷をスムーズにバネ状の導通片23からなるアースに導くことで放射電極20から室内に充分な負イオンを安定的に発生することができるものである。
【0016】
また前記蓋体17を通常の樹脂材料で成型した場合には、運転時間の経過と共に蓋体17全体が負の電荷を帯びて放射電極20との相対的な電位差が小さくなり負イオンが発生しにくくなるものである。
【0017】
図6をもとに制御回路のブロック図を説明すれば、25は空気調和機の運転、停止や前記イオン発生部16の制御を行うマイクロコンピュータ等の制御装置で、ワイヤレスリモコン(図示せず)等に設けた操作部26やイオンセンサ27、温度センサ28、湿度センサ29等が入力側に接続され、出力側は前記表示部15やファンモータ30や室外機の制御装置31や前記イオン発生部16の高圧発生回路32へ通じる電源をON−OFFするリレー33や空気清浄装置34の高圧ユニット35へ通じる電源をON−OFFするリレー36に接続されている。
【0018】
前記表示部15は運転停止ランプ37やタイマランプ38の他に多数のダイオードが棒グラフ状に配置されたイオンランプ39を備え前記イオンセンサ27にて測定された現在イオン量の大小を使用者にわかりやすく表示するものである。前記イオンランプ39はこの実施例では横長にダイオードが5個直線状に配置されたもので、ダイオード1個の点灯で前記イオンセンサ27周辺に於いて約2000個/ccのイオンの存在を示すもので、左側より5個連続して点灯した場合には約10000個/ccのイオンの存在を示すものである。
【0019】
前記イオン発生部16は交流100v50Hz又は60Hzの商用電源を直流約8kvに昇圧する前記高圧発生回路31に先尖状のアルミ板や針からなる前記放射電極20をこの放射電極20が約−8kvの電位になるように接続し、高圧発生回路32と電源の間に設けた前記リレー33によって制御装置25にてイオン発生部16の作動を制御するものであり、前記放射電極20は蓋体17によって保護され穴部19から負イオンが室内に放出されるものであるが、イオン発生部16運転の初期は良いのだが、穴部19は感電及びケガの防止のために約3mm程の隙間しかないために、通常樹脂材料で蓋体17を成形した場合は、アースであるバネ状の導通片23へスムーズにマイナスの電荷を流すことができなくなり、時間が経過すると蓋体17全体がマイナスの電荷を帯びて放射電極20との相対的な電位差が小さくなり負イオンが発生しにくくなる事を防止するために、穴部19の近傍の蓋体17を帯電防止樹脂又は導電性樹脂で成形し、蓋体17の内面にバネ状の導通片23設ける事によって、マイナスの電荷をスムーズにアースに落とすことで、安定して負イオンを発生すると同時に、感電や指先のケガを防止するものである。
【0020】
また前記空気清浄装置34は交流100vの電源を高圧ユニット35にて約+2kvと約−2kvの直流に変換して前記空気清浄ユニット11に供給するもので、前記高圧ユニット35と電源の間に設けた前記リレー36によって制御装置25にて運転、停止するものである。
【0021】
【発明の効果】
以上のようにこの発明によれば、穴部周囲の電荷をスムーズにバネ状の導通片からなるアースに導くことで放射電極から室内に充分な負イオンを安定的に発生することができ、それぞれの器具によるばらつきも無くなるものである。
【図面の簡単な説明】
【図1】この発明の一実施例の斜面図。
【図2】同概略断面図。
【図3】同空気清浄ユニットの概略断面図。
【図4】同要部の断面図。
【図5】同要部の正面図。
【図6】同制御回路のブロック図。
【図7】同帯電防止剤の添加量と表面固有抵抗値の関係を示すグラフ。
【符号の説明】
4 吸込口
6 吹出口
9 ファン
15 表示部
16 イオン発生部
19 穴部
20 放射電極
23 導通片
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to incorporating an ion generator for generating negative ions into an air conditioner.
[0002]
[Prior art]
It has been known that negative ions have a good effect on the human body, and are used for improving physiological effects, medical treatments and the like.
As a conventional example, as shown in Japanese Patent Application Laid-Open No. 11-72240 filed earlier by the present applicant, a needle-shaped radiating electrode for emitting ions is provided inside a hole provided on the housing surface of an air conditioner. There is an air conditioner that discharges negative ions from a hole into a room, and the case is grounded in order to prevent the case from charging and reducing the amount of negative ions generated.
[0003]
[Problems to be solved by the invention]
However, in this conventional example, the housing is formed of a normal resin material, and since the radiation electrode and the ground are far apart, the charge around the hole cannot be smoothly flowed to the ground. There is a problem that the amount of negative ions released into the room varies depending on the equipment depending on the charging state.
[0004]
[Means for Solving the Problems]
The present invention focuses on this point, and in order to solve the above-mentioned drawbacks, in particular, in the configuration in which negative ions are emitted toward the room from an ion generating portion provided near the air outlet of the air conditioner, the air The ion generator provided inside the resin housing of the harmonic machine has holes formed of a large number of slit-shaped long holes or small circular holes in the housing or the resin lid attached to the housing. A radiation electrode for negative ion generation is positioned to face, and at least a housing or a lid around the hole is formed of an antistatic resin or a conductive resin, and a housing or a lid around the hole is formed. Is to be grounded.
[0005]
As a result, electric charges generated around the hole of the resin housing or lid can be smoothly guided to the ground made of the spring-like conductive pieces, whereby sufficient negative ions can be stably generated in the room from the radiation electrode. You can do it.
The lid is also easy to install, preventing electric shock and injury to the fingertips.
[0006]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described below with reference to the drawings. Reference numeral 1 denotes an indoor unit of a separate type air conditioner, wherein a housing is formed by a main body casing 2 and a front front cover 3. An open panel 5 having a horizontally elongated slit-shaped suction port 4 is provided from the center to the upper part. 4, a horizontally elongated outlet 6 is provided on the bottom surface of the front cover 3 from below, and an upper inlet 7 is provided on the upper surface of the front cover 3 in order to compensate for an opening area which is insufficient for the inlet 4.
[0007]
A fin tube type heat exchanger 8 which is horizontally long and bent in multiple stages in the vertical direction is provided inside the suction ports 4 and 7, and a cross flow fan 9 for blowing air is disposed at the rear of the heat exchanger 8. are doing.
A drain unit 10 integrally formed of a resin foam material is provided below the heat exchanger 8. The drain unit 10 also serves as an air guide that receives dew condensation water and guides the blast of the fan 9 to the outlet 6.
[0008]
Reference numeral 11 denotes an electrostatic air cleaning unit which is connected to a DC power supply of about +2 kv and has a discharge counter electrode 12 having a large number of holes 12a formed in an aluminum plate, and a needle-shaped electrode having a needle point positioned substantially at the center of the hole 12a. A discharge electrode 13 formed of the electrode 13a and connected to a DC power supply of about -2 kv, and invisible dust and cigarette smoke in the air are charged by the discharge electrode 13 and captured by the discharge counter electrode 12. And is mounted in an upper space between the heat exchanger 8 and the front panel 3.
[0009]
A mesh-shaped pre-filter 14 made of resin is provided between the suction port 4 and the heat exchanger 8 or between the suction port 4 and the air cleaning unit 11 to catch relatively large dust in the air.
On the right side of the outlet 6, there is provided a display unit 15 for displaying the operating state of the air conditioner with a lamp or the like, and further on the right side of the display unit 15, an ion generator 16 is provided.
The display unit 15 displays a display hole 18 provided in the cover 17 of the front panel 3 by, for example, a lamp or the like positioned opposite to the back surface of the cover 17, such as operation stop, and the like. The front cover 3 is formed of a resin such as ABS.
[0010]
The ion generator 16 has a radiation electrode 20 for ion generation positioned opposite to the back surface of a hole 19 provided in the lid 17 and emits negative ions through the hole 19. The air is diffused indoors by the blast from the outlet 6.
The radiation electrode 20 is needle-shaped and generates a negative ion when a potential of about -8 kv is applied. If the needle tip is accidentally touched with a fingertip, there is a danger of stabbing and injuring the fingertip if the fingertip is accidentally touched. However, each of the holes 19 on the front surface is provided in a size that does not allow a fingertip to enter, so that the fingertip does not contact the radiation electrode 20.
[0011]
It is sufficient that the hole portion 19 does not allow a fingertip to enter, and a lot of slit-like long holes are provided, or a number of circular small holes are used, and the hole shape is not limited.
Three radiation electrodes 20 are provided from the high-pressure unit 22 for generating ions toward the hole 19.
[0012]
Reference numeral 23 denotes a conductive piece which comes into contact with the back surface of the lid 17 in the vicinity of the hole 19, and is fixed to an electrical box 24 for accommodating electric components such as the main body casing 2 and a printed circuit board for grounding the inside of the lid 17. When the cover 17 is attached to the front cover 3, the cover 17 can be easily attached due to its spring property and pressed against the inner surface of the cover 17 after the attachment, so that the contact can be reliably made.
[0013]
The other end of the conductive piece 23 has a male terminal shape and is connected to a ground terminal (not shown) in the electrical component box 24 or the heat exchanger 8 by a lead wire or the like, and the potential of the conductive piece 23 is set to 0V. It is to be.
[0014]
FIG. 7 is a graph showing an example of a change in the surface resistivity of a molded resin part according to a change in the amount of the antistatic agent added to the ABS resin. The additive shown here is about 15% in the ABS resin. When added, the surface resistivity decreases to about 100 gigaohms or less, indicating antistatic properties.
[0015]
The lid 17 and the front cover 3 are an antistatic or conductive resin formed by adding an antistatic agent or a conductive agent to a normal resin material, and are formed of a normal resin material. By providing a conductivity of 1 to 100,000 megaohms for an object of about 10,000 teraohms, the charges around the hole 19 are smoothly led to the ground made of the spring-like conductive pieces 23 to radiate. Sufficient negative ions can be generated stably from the electrode 20 into the room.
[0016]
Further, when the lid 17 is molded from a normal resin material, the entire lid 17 becomes negatively charged with the elapse of the operation time, the relative potential difference between the lid 17 and the radiation electrode 20 decreases, and negative ions are generated. It becomes difficult.
[0017]
Referring to the block diagram of the control circuit based on FIG. 6, reference numeral 25 denotes a control device such as a microcomputer for operating and stopping the air conditioner and controlling the ion generating unit 16, and is a wireless remote controller (not shown). An operation unit 26, an ion sensor 27, a temperature sensor 28, a humidity sensor 29, etc. provided on the input side are connected to the input side, and the output side is the display unit 15, the fan motor 30, the control unit 31 of the outdoor unit, and the ion generation unit. It is connected to a relay 33 for turning on and off the power supply to the 16 high-voltage generating circuits 32 and a relay 36 for turning on and off the power supply to the high-pressure unit 35 of the air cleaning device 34.
[0018]
The display unit 15 includes an ion lamp 39 in which a large number of diodes are arranged in a bar graph shape in addition to the operation stop lamp 37 and the timer lamp 38. The user can know the magnitude of the current ion amount measured by the ion sensor 27. It is displayed easily. In this embodiment, the ion lamp 39 has five horizontally arranged diodes in a straight line, and when one diode is turned on, the presence of about 2000 ions / cc around the ion sensor 27 is indicated. In the case where five lamps are continuously lit from the left side, it indicates the presence of about 10,000 ions / cc.
[0019]
The ion generator 16 is provided with a high-voltage generating circuit 31 for boosting a commercial power supply of AC 100 V, 50 Hz or 60 Hz to DC of about 8 kV. The operation of the ion generator 16 is controlled by the control device 25 by the relay 33 provided between the high voltage generation circuit 32 and the power supply, and the radiation electrode 20 is connected to the cover 17 by the lid 17. Negative ions are emitted into the room through the hole 19, which is protected. The initial operation of the ion generator 16 is good, but the hole 19 has a gap of about 3 mm to prevent electric shock and injury. For this reason, when the lid 17 is usually formed of a resin material, it becomes impossible to smoothly flow a negative charge to the spring-like conductive piece 23 which is a ground, and when time elapses. In order to prevent the entire body 17 from being negatively charged and the relative potential difference from the radiation electrode 20 becoming small and generating negative ions hardly, the lid 17 near the hole 19 is made of an antistatic resin or By molding with conductive resin and providing a spring-shaped conductive piece 23 on the inner surface of the lid 17, negative charges are smoothly dropped to the ground, thereby generating negative ions stably, and at the same time causing electric shock and injury of fingertips. Is to prevent.
[0020]
The air purifying device 34 converts a power of 100 V AC into a DC of approximately +2 kv and a DC of approximately −2 kV by a high voltage unit 35 and supplies the DC to the air cleaning unit 11. The control device 25 is operated and stopped by the relay 36.
[0021]
【The invention's effect】
As described above, according to the present invention, a sufficient amount of negative ions can be stably generated in the room from the radiation electrode by smoothly leading the charge around the hole to the ground made of a spring-like conductive piece. This eliminates the variation due to the equipment.
[Brief description of the drawings]
FIG. 1 is a perspective view of one embodiment of the present invention.
FIG. 2 is a schematic sectional view of the same.
FIG. 3 is a schematic sectional view of the air cleaning unit.
FIG. 4 is a sectional view of the main part.
FIG. 5 is a front view of the main part.
FIG. 6 is a block diagram of the control circuit.
FIG. 7 is a graph showing the relationship between the amount of the antistatic agent added and the surface resistivity.
[Explanation of symbols]
4 Inlet 6 Outlet 9 Fan 15 Display 16 Ion generator 19 Hole 20 Radiation electrode 23 Conducting piece

Claims (1)

空気調和機の吹出口近傍に備えたイオン発生部から室内に向けて負イオンを放出するものに於いて、前記空気調和機の樹脂製筐体内方に備えたイオン発生部は前記筐体または筐体に取り付けた樹脂製蓋体に多数のスリット状長穴又は円形小穴から成る穴部を設けると共に、この穴部に対向して負イオン発生用の放射電極を位置させ、少なくとも前記穴部周囲の筐体または蓋体を帯電防止性樹脂又は導電性樹脂にて形成し、前記穴部周囲の筐体または蓋体をアースすることを特徴とする空気調和機。In the case where negative ions are emitted toward the room from an ion generator provided near the air outlet of the air conditioner, the ion generator provided inside the resin housing of the air conditioner may be the housing or the housing. A resin lid attached to the body is provided with a plurality of slit-shaped long holes or holes formed of small circular holes, and a radiation electrode for generating negative ions is positioned opposite to the holes, and at least the periphery of the holes. An air conditioner wherein a housing or a lid is formed of an antistatic resin or a conductive resin, and the housing or the lid around the hole is grounded.
JP2002174332A 2002-06-14 2002-06-14 Air conditioner Pending JP2004020025A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002174332A JP2004020025A (en) 2002-06-14 2002-06-14 Air conditioner

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Application Number Priority Date Filing Date Title
JP2002174332A JP2004020025A (en) 2002-06-14 2002-06-14 Air conditioner

Publications (1)

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JP2004020025A true JP2004020025A (en) 2004-01-22

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JP2002174332A Pending JP2004020025A (en) 2002-06-14 2002-06-14 Air conditioner

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007107826A (en) * 2005-10-14 2007-04-26 Matsushita Electric Ind Co Ltd Air conditioner
JP2009204230A (en) * 2008-02-28 2009-09-10 Panasonic Corp Air conditioner
JP2012042072A (en) * 2010-08-16 2012-03-01 Toshiba Corp Indoor unit for air conditioner
CN113587217A (en) * 2020-04-30 2021-11-02 大金工业株式会社 Air conditioner indoor unit and air conditioner comprising same
CN113587256A (en) * 2020-04-30 2021-11-02 大金工业株式会社 Air conditioner indoor unit and air conditioner comprising same

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007107826A (en) * 2005-10-14 2007-04-26 Matsushita Electric Ind Co Ltd Air conditioner
JP4701983B2 (en) * 2005-10-14 2011-06-15 パナソニック株式会社 Air conditioner indoor unit
JP2009204230A (en) * 2008-02-28 2009-09-10 Panasonic Corp Air conditioner
JP2012042072A (en) * 2010-08-16 2012-03-01 Toshiba Corp Indoor unit for air conditioner
CN113587217A (en) * 2020-04-30 2021-11-02 大金工业株式会社 Air conditioner indoor unit and air conditioner comprising same
CN113587256A (en) * 2020-04-30 2021-11-02 大金工业株式会社 Air conditioner indoor unit and air conditioner comprising same
WO2021221158A1 (en) * 2020-04-30 2021-11-04 ダイキン工業株式会社 Air conditioner indoor unit and air conditioner including said air conditioner indoor unit
WO2021221155A1 (en) * 2020-04-30 2021-11-04 ダイキン工業株式会社 Air conditioner indoor unit and air conditioner including said air conditioner indoor unit

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