JP5798711B2 - Hand dryer - Google Patents

Hand dryer Download PDF

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JP5798711B2
JP5798711B2 JP2009127688A JP2009127688A JP5798711B2 JP 5798711 B2 JP5798711 B2 JP 5798711B2 JP 2009127688 A JP2009127688 A JP 2009127688A JP 2009127688 A JP2009127688 A JP 2009127688A JP 5798711 B2 JP5798711 B2 JP 5798711B2
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hand
air
main body
casing
water
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JP2010273781A (en
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宏 都筑
宏 都筑
健司 澤部
健司 澤部
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Mitsubishi Electric Corp
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Description

本発明は、濡れた手を空気流により乾燥させる手乾燥装置に関するものである。   The present invention relates to a hand drying apparatus that dries a wet hand by an air flow.

洗浄後の濡れた手を乾燥させる装置として、高速空気流により手に付着した水滴を吹き飛ばし乾燥させる手乾燥装置があり、一例が特許文献１に開示されている。この装置は、処理空間である凹状の手挿入部が箱体に設けられており、手挿入部にエアーノズルが配設されたものである。エアーノズルには高圧空気流発生装置に接続されたエアーダクトが繋がれ、高圧空気流をエアーノズルから手挿入部内に噴き出す構造となっている。手の乾燥処理に伴い手挿入部に吹き飛ばされた水は、手挿入部の底部に設けられた排水口から手挿入部の下方に備えられたドレン容器に滴下し受容される。   As an apparatus for drying wet hands after washing, there is a hand drying apparatus that blows off water droplets adhering to the hands by a high-speed air flow, and an example is disclosed in Patent Document 1. In this apparatus, a concave hand insertion portion, which is a processing space, is provided in a box, and an air nozzle is provided in the hand insertion portion. The air nozzle is connected to an air duct connected to a high-pressure airflow generator, and the high-pressure airflow is ejected from the air nozzle into the manual insertion portion. The water blown off by the hand insertion part in accordance with the hand drying process is dropped and received from a drain port provided at the bottom of the hand insertion part into a drain container provided below the hand insertion part.

特開２００５−１６０８３９号公報JP 2005-160839 A

手乾燥装置においては、高圧空気流により手から吹き飛ばされた水、または手乾燥装置の使用者の手や洗面台などの洗浄エリアから飛び散った水などが手乾燥装置に付着すると、これらの水滴は手乾燥装置の本体を伝って本体下部に到達する場合がある。上記の手乾燥装置においては、本体下面に開口した吸気口から空気を吸い込む構造であるため、吸気口が本体下部に集まった水滴を吸い込んでしまい、機器の故障やカビの繁殖、それに伴う悪臭の発生といった問題が発生する。   In the hand dryer, when water blown from the hand by the high-pressure air flow or water splashed from the washing area such as the hand of the user of the hand dryer or the washstand adheres to the hand dryer, these water drops In some cases, the lower part of the main body of the hand dryer may be reached. In the above-mentioned hand dryer, since the air is sucked through the air intake opening on the lower surface of the main body, the air intake sucks the water droplets collected at the lower part of the main body, causing malfunction of the device, mold growth, and the bad smell accompanying it. The problem of occurrence occurs.

また、手乾燥装置を洗面台や調理台などの台上に設置した場合、台に付着した水滴を本体下面に開口している吸気口から吸い込んだり、吸気口と台との間が狭いために十分な量の空気が吸気口から高圧空気流発生装置に送られなくなり、高圧空気流発生装置に負荷が加わり故障を引き起こすといった問題も発生する。   In addition, when the hand dryer is installed on a table such as a wash basin or a kitchen table, water droplets adhering to the table are sucked from the air intake opening that opens on the bottom of the main unit, or the space between the air intake and the table is narrow. A sufficient amount of air is not sent from the intake port to the high-pressure airflow generator, causing a problem that a load is applied to the high-pressure airflow generator and causes a failure.

本発明は、上述の問題点を解決するものであり、水滴を手乾燥装置内部に吸い込まないことにより衛生的で安全な手乾燥装置を得ることを目的とする。   The present invention solves the above-described problems, and an object thereof is to obtain a sanitary and safe hand drying device by not sucking water droplets into the hand drying device.

本発明に係る手乾燥装置は、空気を吸い込んで下方に噴き出す空気流発生装置と、手が挿入される開口部を有し、前記空気流発生装置からの空気が噴き出される手挿入部と、前記手挿入部の下方に設けられた水受け部と、前記空気流発生装置を内部に備え、前記手挿入部および前記水受け部を備えたケーシングと、前記ケーシングの外部側面の前記水受け部より上方かつ前記空気流発生装置より下方に後方を向くように設けられ、前記空気流発生装置に連通して前記ケーシングの外部の空気を吸い込む吸気口と、を備えたものである。

Hand drying apparatus according to the present invention includes a hand insertion portion having an air flow generating device spewing downward draws in air, the opening hands are inserted, the air from the air flow generating device is blown out, a water receiving part that is provided under the hand insertion unit, and said air flow generating device therein, the casing with the hand insertion unit and the water receiving unit, the water receiving portion of the outer side surface of the casing And an intake port which is provided to face rearward and further downward from the air flow generator, and which communicates with the air flow generator and sucks air outside the casing.

本発明によれば、空気流発生装置に連通してケーシング外部の空気を吸い込む吸気口がケーシングの外部側面またはケーシング背面に設けられているので、手挿入部の下部や台に付着した水滴を手乾燥装置内部に吸い込まず、衛生的で安全な手乾燥装置を得ることができる。   According to the present invention, since the air inlet that communicates with the air flow generator and sucks air outside the casing is provided on the outer side surface or the back surface of the casing, water droplets adhering to the lower part or the base of the hand insertion portion are manually removed. A hygienic and safe hand dryer can be obtained without being sucked into the dryer.

本発明の実施の形態１に係る手乾燥装置の斜視図The perspective view of the hand-drying apparatus which concerns on Embodiment 1 of this invention. 本発明の実施の形態１に係る手乾燥装置の垂直断面図Vertical sectional view of the hand dryer according to Embodiment 1 of the present invention 本発明の実施の形態１に係る手乾燥装置の水平断面図Horizontal sectional view of the hand dryer according to Embodiment 1 of the present invention 本発明の実施の形態２に係る手乾燥装置の垂直断面図Vertical sectional view of a hand dryer according to Embodiment 2 of the present invention

実施の形態１．
図１および図２は、この発明の実施の形態１に係る手乾燥装置の斜視図および垂直断面図である。手乾燥装置の外郭を形成する本体ケーシング１は、本体上部１ａの内部に高圧空気流発生装置２を備え、本体中部１ｂに手挿入部３が形成され、本体下部１ｃに水受け部６が形成されたものである。図１において、点線は本体ケーシング１内部に設けられた高圧空気流発生装置２を、一点鎖線は手挿入部３を示し、図１および２の矢印は空気の流れを示す。 Embodiment 1 FIG.
1 and 2 are a perspective view and a vertical sectional view of a hand dryer according to Embodiment 1 of the present invention. The main body casing 1 that forms the outline of the hand dryer includes a high-pressure airflow generator 2 inside the main body upper portion 1a, a hand insertion portion 3 is formed in the main body middle portion 1b, and a water receiving portion 6 is formed in the main body lower portion 1c. It has been done. In FIG. 1, the dotted line indicates the high-pressure airflow generator 2 provided inside the main casing 1, the alternate long and short dash line indicates the manual insertion portion 3, and the arrows in FIGS. 1 and 2 indicate the air flow.

ここでは、本体ケーシング１は背面側外郭であるベース４と正面側外郭である正面パネル５とにより構成されており、本体上部１ａと本体中部１ｂと本体下部１ｃの背面側はベース４により連続して形成されており、側面は正面パネル５により連続して形成されている。
なお、本体ケーシング１は、ベース４と正面パネル５とに分解する構成に限られず、本体上部１ａと本体中部１ｂと本体下部１ｃとで構成させたり、本体上部１ａ、本体中部１ｂおよび本体下部１ｃが更に背面側と正面側とに分解するような構成にしても良い。 Here, the main body casing 1 is composed of a base 4 which is a back side outer shell and a front panel 5 which is a front side outer shell, and the back side of the main body upper portion 1a, the main body middle portion 1b and the main body lower portion 1c is continuous by the base 4. The side surface is continuously formed by the front panel 5.
The main body casing 1 is not limited to a structure that is disassembled into the base 4 and the front panel 5, but may be composed of a main body upper portion 1a, a main body middle portion 1b, and a lower main body portion 1c, or a main body upper portion 1a, a main body middle portion 1b, and a lower main body portion 1c. However, it may be configured to be further disassembled into the back side and the front side.

本体上部１ａ内部に組み込まれた高圧空気流発生装置２は、ＤＣブラシレスモーターと、ＤＣブラシレスモータを駆動させる駆動回路と、ＤＣブラシレスモーターによって回転するターボファンとにより構成され、本体中部１ｂの手挿入部３の直上において、ベース４側に吸気側が位置するように取り付けられている。   The high-pressure airflow generator 2 incorporated in the main body upper part 1a is composed of a DC brushless motor, a drive circuit for driving the DC brushless motor, and a turbo fan that is rotated by the DC brushless motor. It is attached so that the intake side is located on the base 4 side immediately above the portion 3.

この高圧空気流発生装置２は、本体ケーシング１の外部と連通する吸気通路９を介して空気を吸い込み、ノズル１７から手挿入部３内に下方に噴き出す。吸気通路９は、本体ケーシング１の背面側、特に本体中部１ｂの奥側背面部に縦方向に延び、本体中部１ｂの外側面に開口した吸気口１０ａに連通している。この吸気口１０ａは本体中部１ｂの両側面の外側に設けられている。このような構成により、本体ケーシング１の側面付近の空気が吸気口１０ａおよび吸気通路９を介して高圧空気流発生装置内２に吸い込まれる。   The high-pressure airflow generator 2 sucks air through an intake passage 9 that communicates with the outside of the main casing 1, and ejects the air downward from the nozzle 17 into the manual insertion portion 3. The intake passage 9 extends in the longitudinal direction on the back side of the main body casing 1, particularly the back side of the main body middle portion 1b, and communicates with an intake port 10a opened on the outer side surface of the main body middle portion 1b. The intake port 10a is provided outside the both side surfaces of the main body middle portion 1b. With such a configuration, the air in the vicinity of the side surface of the main casing 1 is sucked into the high-pressure airflow generator 2 via the intake port 10 a and the intake passage 9.

高圧空気流発生装置２およびノズル１７の下方にある本体中部１ｂには、手の挿抜が可能なように正面および両側面の正面側が開放した開放シンク状の凹状空間である手挿入部３が形成されており、ノズル１７からの空気は手挿入部３に向かって噴き出される。使用者は乾燥処理空間である手挿入部３に手を挿入し、ノズル１７から噴き出される空気により手に付着した水滴を吹き飛ばして手を乾燥させることができる。   The main body central portion 1b below the high-pressure airflow generator 2 and the nozzle 17 is formed with a hand insertion portion 3 which is an open sink-like concave space where the front side and the front side of both side surfaces are open so that the hand can be inserted and removed. The air from the nozzle 17 is ejected toward the hand insertion portion 3. The user can dry his / her hand by inserting his / her hand into the hand insertion portion 3, which is a drying processing space, and blowing off water droplets adhering to the hand by the air blown from the nozzle 17.

本体下部１ｃにおいて、手挿入部３の下面に水受け部６が形成されている。この水受け部６は、手挿入部３の下面の端緑部に内壁が曲面状に立ち上がった防壁構造を有しており、この防壁構造と底面と手挿入部３の奥側内壁とが手から吹き飛ばされた水分を受けている。特に防壁構造により側方や前方への水の飛散が防止される。また、水受け部６の底部は前方に向かって下傾しており、その傾斜下端部に排水口７が設けられている。   A water receiving portion 6 is formed on the lower surface of the manual insertion portion 3 in the lower portion 1c of the main body. The water receiving portion 6 has a barrier structure in which the inner wall rises in a curved shape at the edge green portion of the lower surface of the hand insertion portion 3, and the barrier structure, the bottom surface, and the inner wall on the back side of the hand insertion portion 3 are hand-held. Receiving moisture blown from. In particular, the barrier structure prevents water from splashing sideways or forward. Moreover, the bottom part of the water receiving part 6 inclines downward toward the front, and the drain port 7 is provided in the inclination lower end part.

水受け部６の下方には排水口７から滴下する水を貯溜する開放容器構造のドレン容器８が前後方向への抜き差しにより着脱可能に設けられており、ドレン容器を本体ケーシング１から抜き出すことでドレン容器８に貯留した水を捨てることができる。ドレン容器８の上部の開口部分には取外し可能な蓋（図示せず）が設けられており、ドレン容器８を本体ケーシング１から取り出すときに、ドレン容器に貯留された水がドレン容器８からこぼれ落ちるのを防ぐ。なお、この蓋には排水口７に対向した孔が形成されており、排水口７からの水がこの孔を通ってドレン容器８に流れ込む。また、ドレン容器８および蓋は、耐薬品性のある樹脂で作られ、中性洗剤及びアルコール等を使って洗浄し清掃することができる。また、手挿入部３の表面には、シリコン系もしくはフッ素系等の撥水性コーティング、又は酸化チタン等の親水性を有するコーティング、又は抗菌剤が含浸され、表面への汚れの付着の軽減や細菌の繁殖の低減が図られている。   A drain container 8 having an open container structure for storing water dripping from the drain port 7 is provided below the water receiving portion 6 in a detachable manner by inserting and removing in the front-rear direction. The water stored in the drain container 8 can be discarded. A removable lid (not shown) is provided at the upper opening of the drain container 8, and when the drain container 8 is taken out from the main body casing 1, water stored in the drain container 8 spills from the drain container 8. Is prevented. Note that a hole facing the drain port 7 is formed in the lid, and water from the drain port 7 flows into the drain container 8 through the hole. Further, the drain container 8 and the lid are made of a chemical resistant resin, and can be cleaned and cleaned using a neutral detergent and alcohol. In addition, the surface of the hand insertion portion 3 is impregnated with a water-repellent coating such as silicon or fluorine, or a hydrophilic coating such as titanium oxide, or an antibacterial agent, thereby reducing the adhesion of dirt to the surface and bacteria. Reducing breeding is being attempted.

ここで、手から吹き飛ばされた水が水受け部６内だけでなく本体ケーシング１の外側に吹き飛ぶ場合や、水受け部６の底面に溜まった水が吹き飛ばされたり溢れ出たりした場合や、ドレン容器８に貯留された水があふれ出た場合について考える。これらの水は本体ケーシング１の外側を伝って下面に集まる。吸気口１０ａは本体ケーシング１の側面に設けられているため、本体ケーシング１の下面に溜まった水は吸気口１０ａを介して手乾燥装置内部、特に吸気通路９や高圧空気流発生装置２内に吸い込まれることがなく、カビの繁殖やそれに伴う悪臭の発生、水分の付着による機器の故障を防ぐことができ、衛生的で安全な手乾燥装置を得ることができる。   Here, when water blown off from the hand blows not only in the water receiving portion 6 but also to the outside of the main body casing 1, or when water accumulated on the bottom surface of the water receiving portion 6 is blown out or overflows, Consider the case where the water stored in the container 8 overflows. These waters gather on the lower surface along the outside of the main casing 1. Since the intake port 10a is provided on the side surface of the main body casing 1, water accumulated on the lower surface of the main body casing 1 enters the inside of the hand dryer, particularly the intake passage 9 and the high-pressure airflow generator 2 through the intake port 10a. Without being sucked in, it is possible to prevent mold growth, generation of malodor associated therewith, and equipment failure due to moisture adhesion, and a hygienic and safe hand drying device can be obtained.

また、本体ケーシング１が洗面台や調理台などの台１２の上に設置されたとき、台１２の上には手の洗浄などの際に飛び散った水、手乾燥装置における高圧空気発生装置２からの空気で手から吹き飛ばされた水、水受け部６から吹き飛ばされた水やドレン容器８からあふれ出た水などが台１２の上に溜まっている可能性がある。しかし、吸気口１０ａは手乾燥装置の下面でなく側面に開口しており、台１２の表面から離れているので、これらの水を吸い込むことがない。特に、台１２の上に手乾燥装置を設置した場合、台１２と本体ケーシング１の下面との間が狭くなり、手乾燥装置の下面に吸気口が開口している場合には空気の吸い込み流速が早くなるために、吸気口は本体下面に集まる水滴だけでなく台に付着した水滴も吸い込み易くなったり、吸気口から高圧空気流発生装置に十分な空気が送られなくなり、手を乾燥させる送風性能が低下するだけでなく高圧空気流発生装置に負荷が加わり故障を引き起こすといった問題も発生し得る。   Further, when the main casing 1 is installed on a table 12 such as a wash basin or a cooking table, the water splashed on the table 12 when washing hands, etc., from the high-pressure air generator 2 in the hand dryer. There is a possibility that the water blown off from the hand by the air, the water blown off from the water receiving portion 6, the water overflowing from the drain container 8, etc. are accumulated on the table 12. However, since the air inlet 10a is opened not on the lower surface of the hand dryer but on the side surface and is away from the surface of the table 12, the water is not sucked. In particular, when a hand dryer is installed on the table 12, the space between the table 12 and the lower surface of the main casing 1 is narrow, and when the air intake port is open on the lower surface of the hand dryer, the air suction flow rate Because of this, the air intake vent makes it easier to suck not only water droplets that collect on the bottom surface of the main unit but also water droplets attached to the base, or air that dries the hands because sufficient air cannot be sent from the air intake port to the high-pressure airflow generator. Not only is the performance deteriorated, but a problem may occur that a load is applied to the high-pressure airflow generator to cause a failure.

しかし、この実施の形態１においては吸気口１０ａが本体ケーシング１の側面に設けられているため、手乾燥装置の下面と台との距離は空気の吸い込み量に影響せず、高圧空気発生装置２の送風性能の低下や負荷による故障を回避し、台１２に付着した水分を吸い込むこともない。   However, in this Embodiment 1, since the inlet 10a is provided in the side surface of the main body casing 1, the distance between the lower surface of the hand dryer and the base does not affect the amount of air sucked in, and the high pressure air generator 2 This prevents the deterioration of the air blowing performance and the failure due to the load, and does not suck the moisture adhering to the table 12.

また、高圧空気流発生装置２の空気の吸い込みの際に発生する騒音は、吸気口１０ａから手乾燥装置の正面から見てほぼ側面に放たれるため、使用者が立つ正面側に届きにくくなり、使用者の不快感を軽減することもできる。   In addition, noise generated when the high-pressure airflow generator 2 sucks air is radiated from the air inlet 10a to the side as viewed from the front of the hand dryer, so that it is difficult to reach the front side where the user stands. , User discomfort can also be reduced.

また、水受け部６の底部は前方に向かって傾斜しており、水受け部６が受けた水は手乾燥装置の前方に向かって流れるので、手乾燥装置の奥側に設けられた吸気口１０ａは水受け部６において水が多く存在する部分と離れるので、水受け部６から溢れ出たり飛び散ったりした水は吸気口１０ａに吸い込まれ難くなる。   Moreover, since the bottom part of the water receiving part 6 inclines toward the front and the water which the water receiving part 6 received flows toward the front of a hand dryer, the inlet provided in the back | inner side of the hand dryer Since 10a is separated from the portion in the water receiving portion 6 where a lot of water exists, the water overflowing or splashing from the water receiving portion 6 is hardly sucked into the intake port 10a.

ところで、吸気口１０ａが本体ケーシング１の外側面のいずれかの部分にあれば、手乾燥装置下部に付着した水滴を吸気口１０ａが吸い込むのを低減させることができるが、吸気口１０ａが本体上部１ａの高圧空気流発生装置２が収納される部分より下方に設けられていれば、吸気口１０ａは乾燥させる手よりも下になるので、乾燥時に手の平や手の甲に衝突して向きを上方に変え水滴を含んだ高速空気流を吸気することがなく、水分の本体内部への流入を防ぐことができる。   By the way, if the air inlet 10a is in any part of the outer surface of the main casing 1, it is possible to reduce the intake 10a from sucking water droplets adhering to the lower part of the hand dryer. If it is provided below the part where the high-pressure airflow generator 2 of 1a is housed, the air inlet 10a will be lower than the hand to be dried, so it will collide with the palm and back of the hand when drying and change the direction upward It is possible to prevent inflow of moisture into the main body without inhaling a high-speed air flow containing water droplets.

また、水受け部６から跳ね飛んだりあふれ出た水滴が本体ケーシング１の下部に到達し切っておらず外側面に付着している場合もあるが、このような水滴は水受け部６の上の縁よりも下に付着することが多いため、吸気口１０ａが水受け部６よりも上部、更に言えば防壁構造の上端よりも上に設けることで、吸気口１０ａは本体ケーシング１外側面に付着した水滴を吸い込みにくくなる。   In addition, there are cases where water droplets splashing or overflowing from the water receiving portion 6 do not reach the lower part of the main body casing 1 and adhere to the outer surface. Since the intake port 10a is provided above the water receiving portion 6, more specifically, above the upper end of the barrier structure, the intake port 10a is formed on the outer surface of the main body casing 1. It becomes difficult to suck the attached water droplets.

また、図１では吸気口１０ａの開口面が手乾燥装置の正面から見てほぼ真横を向いていたが、吸気口１０ａが後方に向くようにすれば、水滴が本体ケーシング１の側面を越えて吸込口１０ａまで到達し難く、手乾燥装置内に水分が吸い込まれることを更に防ぐことができる。例えば、図３のように、手挿入部３の正面側開口部が広がるように本体ケーシング１の側面１ｄを背面側に近づければ、本体ケーシング１の側面１ｄにより手挿入部３から吸気口１０ａへの水分の進入が阻まれる。また、図３のように側面１ｄ全体を本体背面側に近づけても良いが、本体ケーシング１の外側面とベース４とがなす角度（手挿入部３側の角度）が鈍角になるようにすれば、水分の吸気口１０ａへの回りこみを低減することができる。この場合、高圧空気流発生装置２からの騒音は、側面斜め後方に放たれるため、使用者に届く騒音を更に低減することもできる。   Further, in FIG. 1, the opening surface of the air inlet 10 a faces almost right side when viewed from the front of the hand dryer, but if the air inlet 10 a is directed rearward, water droplets pass over the side surface of the main casing 1. It is difficult to reach the suction port 10a, and it is possible to further prevent moisture from being sucked into the hand dryer. For example, as shown in FIG. 3, if the side surface 1 d of the main body casing 1 is brought close to the back side so that the front-side opening of the hand insertion portion 3 is widened, the side surface 1 d of the main body casing 1 causes the air inlet 10 a from the hand insertion portion 3. Intrusion of moisture into the water is blocked. Further, as shown in FIG. 3, the entire side surface 1d may be brought closer to the back side of the main body, but the angle formed by the outer surface of the main body casing 1 and the base 4 (the angle on the hand insertion portion 3 side) is obtuse. In this case, it is possible to reduce the sneaking of moisture into the air inlet 10a. In this case, since the noise from the high-pressure airflow generator 2 is released obliquely rearward on the side surface, the noise reaching the user can be further reduced.

また、図１から３では、手挿入部３は正面と本体中部１ｂの側面部のうち正面側が開放した構成であった。つまり、本体中部１ｂの側面部の水平方向の長さは、本体上部１ａや本体下部１ｃの水受け部６の側面部の水平方向の長さの半分程度であって、本体中部１ｂの側面部の正面側は欠けていた。しかし、本体中部１ｂの側面部を開放させなくても良い。具体的には、手挿入部３の空間は正面側だけ開放して両側面も上下面と同様に壁などで囲われた構成にしても良い。この場合は、手挿入部３内で手から吹き飛ばされた水分が本体中部１ｂの外側に飛び散り難くなり、吸込口１０ａが水分を吸い込むことを更に防ぐことができる。   1 to 3, the manual insertion portion 3 has a configuration in which the front side of the front surface and the side surface portion of the main body middle portion 1 b is open. That is, the horizontal length of the side surface portion of the main body middle portion 1b is about half of the horizontal length of the side surface portion of the water receiving portion 6 of the main body upper portion 1a and the lower body portion 1c. The front side of was missing. However, it is not necessary to open the side surface portion of the main body middle portion 1b. Specifically, the space of the hand insertion portion 3 may be open only on the front side, and both side surfaces may be surrounded by walls or the like in the same manner as the upper and lower surfaces. In this case, the moisture blown from the hand in the hand insertion portion 3 is less likely to scatter outside the main body middle portion 1b, and the suction port 10a can be further prevented from sucking moisture.

また、吸気口１０ａは本体ケーシング１の両側面に設けられていても良いが、片面に設けられていても良く、この実施の形態１のように本体ケーシング１の両側面に吸気通路９に連通する開口（吸気口１０ａ）を設けた上で、この開口（吸気口１０ａ）や吸気通路９のうち一部をシール材（図示せず）で塞いでも良い。更には、本体ケーシング１の側面の上部から下部に掛けて吸気通路９に連通する開口を設けた上で、開口の一部をシール材で塞ぐようにしても良い。この場合、開口部分のうちシール部材で塞がれていない部分が吸気口１０ａとして機能することになる。このような構成にすることで、手乾燥装置の設置場所に応じて吸気口１０ａの位置や面積を変えることができ、十分な量の空気を吸い込めるような空気流入路を確保し、吸い込み面積を広くすることで吸い込み流速を緩和して騒音を低減することもできる。   The intake port 10a may be provided on both side surfaces of the main body casing 1, but may be provided on one side surface, and communicates with the intake passage 9 on both side surfaces of the main body casing 1 as in the first embodiment. In addition, an opening (intake port 10a) may be provided, and a part of the opening (intake port 10a) and the intake passage 9 may be closed with a sealing material (not shown). Further, an opening that extends from the upper part to the lower part of the side surface of the main casing 1 and communicates with the intake passage 9 may be provided, and a part of the opening may be closed with a sealing material. In this case, a portion of the opening portion that is not blocked by the seal member functions as the intake port 10a. By adopting such a configuration, the position and area of the air inlet 10a can be changed according to the installation location of the hand dryer, ensuring an air inflow path that can suck in a sufficient amount of air, and the suction area By widening, the suction flow velocity can be reduced and noise can be reduced.

また、吸気口１０ａを外側面に設けることで水の浸入を防ぐことができるが、吸気口１０ａにエアーフィルタを設ければ、埃や水の浸入を更に防ぐことができる。エアーフィルタは、例えば樹脂製や金属製の他、ＨＥＰＡフィルタや抗菌フィルタであってもよい。   In addition, water can be prevented from entering by providing the air inlet 10a on the outer surface. However, if an air filter is provided at the air inlet 10a, dust and water can be further prevented from entering. The air filter may be a HEPA filter or an antibacterial filter in addition to a resin or metal, for example.

また、本願の手乾燥装置は、ベース４を介して壁に取り付けられても良いが、台１２の上に設置するための脚１１を本体ケーシング１の底面に設け、手乾燥装置を底面を介して台に設置しても良い。これにより、置き型の手乾燥装置となり、壁への設置工事の手間を省くことができる。また、底面には吸気口１０ａがないため、脚１１の面積を広く取ることができ、安定した設置を実現できる。   In addition, the hand drying device of the present application may be attached to the wall via the base 4, but a leg 11 for installation on the base 12 is provided on the bottom surface of the main body casing 1, and the hand drying device is disposed on the bottom surface. It may be installed on the table. Thereby, it becomes a stand-type hand-drying apparatus, and the effort of the installation work to a wall can be saved. In addition, since there is no air inlet 10a on the bottom surface, the area of the leg 11 can be increased, and stable installation can be realized.

実施の形態２．
図４はこの発明の実施の形態２に係る手乾燥装置の垂直断面図である。実施の形態１では、吸気口１０ａが本体ケーシング１の外側面に設けられた場合について説明したが、この実施の形態２では、吸気口１０ｂが手乾燥装置の背面、つまりベース４に設けられた場合について説明し、実施の形態１と同じ構成については実施の形態１と同じ符号を用いるとともにそれらについての説明を省略する。 Embodiment 2. FIG.
FIG. 4 is a vertical sectional view of a hand dryer according to Embodiment 2 of the present invention. In the first embodiment, the case where the air inlet 10a is provided on the outer side surface of the main body casing 1 has been described. However, in the second embodiment, the air inlet 10b is provided on the back surface of the hand dryer, that is, the base 4. The same reference numerals as those in the first embodiment are used for the same configurations as those in the first embodiment, and descriptions thereof are omitted.

図４において、吸気口１０ｂは手乾燥装置の背面に設けられており、具体的にはベース４の一部が開口して吸気通路９を介して高圧空気発生装置２に連通した構成となっている。空気は手乾燥装置の背面から吸気口１０ｂおよび吸気通路９を介して高圧空気流発生装置２に吸い込まれる。   In FIG. 4, the air inlet 10 b is provided on the back surface of the hand dryer, specifically, a part of the base 4 is opened and communicated with the high-pressure air generator 2 through the air intake passage 9. Yes. Air is sucked into the high-pressure airflow generator 2 through the air inlet 10b and the air intake passage 9 from the back of the hand dryer.

このような構成の場合も、手から吹き飛ばされた水滴、水受け部６から飛び散った水、台１２などに付着している水分は手乾燥装置の背面に回り込み難いので、吸気口１０ｂから吸い込まれるのを防ぐことができる。   Even in such a configuration, water droplets blown from the hand, water splashed from the water receiving portion 6, water adhering to the base 12 and the like are difficult to go around the back of the hand dryer, and are sucked from the air inlet 10b. Can be prevented.

また、吸気口１０ｂが背面に開口しているため、高圧空気流発生装置２の空気吸い込み音が正面に向かって直接放たれず、使用者の不快感を低減できる。   In addition, since the intake port 10b is open at the back, the air suction sound of the high-pressure airflow generator 2 is not directly emitted toward the front, and the user's discomfort can be reduced.

また手乾燥装置の背面は側面に比べて広く、吸気口１０ｂの面積を広く取ることができるので、吸い込み面積を確保して低い流速で空気を吸い込ませることで騒音を低減させることができる。特に、吸気口１０ｂと隣接する壁との間が狭くなるものの、吸い込み面積を確保できるので、十分な空気を取り込むことができるとともに騒音も低減できる。   Further, since the back surface of the hand dryer is wider than the side surface, and the area of the intake port 10b can be increased, noise can be reduced by securing the suction area and sucking air at a low flow rate. In particular, although the space between the air inlet 10b and the adjacent wall becomes narrow, the suction area can be secured, so that sufficient air can be taken in and noise can be reduced.

ところで、吸気口１０ｂはベース４の任意の箇所に設けても上記の効果を得ることができるが、ベース４の広範囲に開口部を設けておき、実施の形態１と同様にシール部材で開口部を塞ぐようにすれば、手乾燥装置の設置箇所に応じて十分な空気量を吸い込む吸気口１０ｂを得ることができる。   By the way, although the above-mentioned effect can be obtained even if the intake port 10b is provided at an arbitrary position of the base 4, an opening is provided in a wide range of the base 4, and the opening is formed by a seal member as in the first embodiment. If it is made to block, the inlet 10b which inhales sufficient air quantity according to the installation location of the hand dryer can be obtained.

実施の形態３．
実施の形態１および２では、吸気口１０ａ、ｂが本体ケーシング１の側面に設けられた場合および背面に設けられた場合について説明したが、側面および背面のいずれにも吸気通路９に連通する吸気口１０を設けても良い。この場合も、手挿入部３で吹き飛ばされた水が本体ケーシング１の外側に回り込むことが少ないため、吸気口１０が水を吸い込むことを防ぐことができる。この場合、吸気口１０の吸い込み面積が広くなるため、十分な空気の吸い込みを確保することができるとともに、吸い込み流速が低くなるために騒音を低減することができる。 Embodiment 3 FIG.
In the first and second embodiments, the case where the intake ports 10a and 10b are provided on the side surface of the main body casing 1 and the case where the intake ports are provided on the back surface has been described. A mouth 10 may be provided. Also in this case, since the water blown off by the hand insertion part 3 rarely wraps around the outside of the main body casing 1, the intake port 10 can be prevented from sucking water. In this case, since the suction area of the intake port 10 is widened, sufficient air suction can be ensured, and noise can be reduced because the suction flow velocity is low.

また、側面および背面に吸気通路９に連通する開口を設けておき、シール部材で開口部を塞ぐようにすれば、開口部のうちシール部材で塞がれていない部分が吸気口１０として機能する。このような構成により、手乾燥装置の設置箇所に応じて適切な吸気口１０を得ることができる。   Further, if an opening communicating with the intake passage 9 is provided on the side surface and the back surface, and the opening is closed by the sealing member, the portion of the opening that is not blocked by the sealing member functions as the inlet 10. . With such a configuration, an appropriate air inlet 10 can be obtained according to the installation location of the hand dryer.

１ 本体ケーシング、１ａ 本体上部、１ｂ 本体中部、１ｃ 本体下部、１ｄ 外側面、２ 高圧空気流発生装置、３ 手挿入部、４ ベース、５ 正面パネル、６ 水受け部、７ 排水口、８ ドレン容器、９ 吸気通路、１０ａ １０ｂ 吸気口、１１ 脚、１２ 台、１７ ノズル DESCRIPTION OF SYMBOLS 1 Main body casing, 1a Main body upper part, 1b Main body middle part, 1c Main body lower part, 1d Outer side surface, 2 High pressure air flow generator, 3 Hand insertion part, 4 Base, 5 Front panel, 6 Water receiving part, 7 Drain outlet, 8 Drain Container, 9 intake passage, 10a 10b intake port, 11 legs, 12 units, 17 nozzles

Claims (4)

空気を吸い込んで下方に噴き出す空気流発生装置と、
手が挿入される開口部を有し、前記空気流発生装置からの空気が噴き出される手挿入部と、
前記手挿入部の下方に設けられた水受け部と、
前記空気流発生装置を内部に備え、前記手挿入部および前記水受け部を備えたケーシングと、
前記ケーシングの外部側面の前記水受け部より上方かつ前記空気流発生装置より下方に後方を向くように設けられ、前記空気流発生装置に連通して前記ケーシングの外部の空気を吸い込む吸気口と、
を備えた手乾燥装置。 An air flow generating device spewing downward sucking air,
Has an opening hand is inserted, a hand insertion portion of the air from the air flow generating device is blown,
A water receiving part that is provided under the hand insertion portion,
With the air flow generating device therein, the casing with the hand insertion unit and the water receiving portion,
An intake port that is provided so as to face rearward from the water receiving portion on the outer side surface of the casing and below the airflow generation device, and communicates with the airflow generation device and sucks air outside the casing ;
Hand-drying device equipped with. 前記ケーシングの外部側面を開口し、前記空気流発生装置に連通する開口部と、前記開口部を塞ぐシール部材とを備え、吸気口は前記開口部のうち前記シール部材を取り外したものであることを特徴とする請求項１記載の手乾燥装置。 An opening is provided on the outer side surface of the casing and communicates with the air flow generator, and a seal member that closes the opening, and the intake port is obtained by removing the seal member from the opening. The hand dryer according to claim 1. 前記水受け部は前記ケーシングの背面側から正面側に向かって下に傾斜していることを特徴とする請求項１または２に記載の手乾燥装置。 The hand dryer according to claim 1, wherein the water receiving portion is inclined downward from the back side to the front side of the casing. 台上に接地して手乾燥装置を台上で保持する脚を前記ケーシングの下側に備えたことを特徴とする請求項１乃至３のいずれかに記載の手乾燥装置。 The hand drying device according to any one of claims 1 to 3, further comprising a leg on the lower side of the casing for grounding on the table and holding the hand drying device on the table.
JP2009127688A 2009-05-27 2009-05-27 Hand dryer Expired - Fee Related JP5798711B2 (en)

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