JP4675683B2 - Ventilation fan - Google Patents

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JP4675683B2
JP4675683B2 JP2005166882A JP2005166882A JP4675683B2 JP 4675683 B2 JP4675683 B2 JP 4675683B2 JP 2005166882 A JP2005166882 A JP 2005166882A JP 2005166882 A JP2005166882 A JP 2005166882A JP 4675683 B2 JP4675683 B2 JP 4675683B2
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flange
holder
human sensor
ventilation fan
wind tunnel
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JP2006342990A (en
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大輔 矢部
新 篠塚
博 横山
信幸 川又
比出晴 小野
一也 岡山
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Mitsubishi Electric Corp
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Description

本発明は、トイレ等の壁面や天井に取付けられ自動運転して換気を行う換気扇に関するものである。   The present invention relates to a ventilation fan that is attached to a wall surface or a ceiling of a toilet or the like and performs automatic ventilation to perform ventilation.

トイレ等に取付けられる換気扇の中には人を検知して自動運転するようにしたものがある。人を検知する手段としては、人の出す赤外線を検知して信号を出力する人感センサーが多く用いられている（特許文献１参照）。   Some ventilation fans attached to toilets, etc. are designed to detect people and automatically drive. As means for detecting a person, a human sensor that detects infrared rays emitted by a person and outputs a signal is often used (see Patent Document 1).

特開平７−４２９８２号公報Japanese Patent Laid-Open No. 7-42982

従来のこの種の換気扇においては、例えば壁に取付けた場合、取付位置によっては人感センサーの検知範囲が狭くなり人を検知しないことがある。こうした不具合を解消するために人感センサーを換気扇の前面の吸込みグリルから露出させたり、できるだけ本体の前面側に呈出させ、検知範囲を広くしている。しかし、こうした対処では、換気扇の意匠が損なわれたり、換気扇の取付面からの出っ張り寸法が大きくなりコンパクトな換気扇とならない。   In a conventional ventilation fan of this type, for example, when it is mounted on a wall, the detection range of the human sensor may become narrow depending on the mounting position, and a person may not be detected. In order to solve these problems, the human sensor is exposed from the suction grill on the front face of the ventilation fan, or presented as much as possible on the front side of the main body to widen the detection range. However, in such a countermeasure, the design of the ventilation fan is damaged, or the protruding dimension from the mounting surface of the ventilation fan is increased, so that the ventilation fan is not compact.

本発明は、上記した課題を解決するためになされたものであり、その目的とするところは、人感センサーの検知範囲の調整を簡単にでき、広範な人検知の可能なコンパクトな換気扇を得ることである。また、前面意匠の損なわれない換気扇を得ることも目的としている。   The present invention has been made to solve the above-described problems, and an object of the present invention is to obtain a compact ventilation fan that can easily adjust the detection range of the human sensor and can detect a wide range of people. That is. Moreover, it aims at obtaining the ventilation fan which does not impair the front design.

本発明は、風洞の吸込側に外方に張出すフランジを持つ本体の風洞にモーターにより回転する羽根車が組付けられ、トイレ等の壁面や天井に取付けられて、本体に設けられた赤外線を検知する人感センサーの検知出力により自動運転する換気扇について、その人感センサーを本体のフランジ外表にホルダーを介して前向きに取付け、このホルダーは正面及び左右に人感センサーの向きを変え得るよう可動に構成する手段を採用する。   In the present invention, an impeller that is rotated by a motor is assembled in a wind tunnel of a main body having a flange projecting outward on a suction side of the wind tunnel, and is attached to a wall or ceiling of a toilet or the like, and infrared rays provided in the main body are About the ventilation fan that operates automatically by the detection output of the human sensor to detect, the human sensor is mounted on the outer surface of the flange face forward through a holder, and this holder is movable so that the direction of the human sensor can be changed to the front and left and right The means to constitute is adopted.

本発明によれば、設置状態であっても、ホルダーを正面、左右に動かし人感センサーの検知領域を調整でき、広範な人検知の可能な換気扇が得られる。人感センサーは、本体の前側に大きく突出すことはなく、コンパクトで前面意匠も損なわれない換気扇が得られる。   According to the present invention, even in the installed state, the detection area of the human sensor can be adjusted by moving the holder to the front, left and right, and a ventilation fan capable of detecting a wide range of people can be obtained. The human sensor does not protrude greatly to the front side of the main body, and a ventilation fan that is compact and does not impair the front design can be obtained.

本発明の換気扇はトイレ等の壁や天井に取付けられるもので、室内外に通じる風洞を本体に備えている。風洞の吸込側には外方に張出すフランジが一体に構成されている。風洞内で回転する羽根車がモーターに取付けられ、この羽根車の回転によって風洞に排気流が形成され、換気が行われる。モーターの運転は、本体のフランジの壁取付け状態において下となる一側外表に取付けられたホルダーに前向きに保持された人感センサーの出力によって自動的に行われる。ホルダーは、フランジに対してある範囲を略平面内で回動できるように設けられ、正面と左右位置において位置が保持できるようになっている。本体の前面は、着脱可能な吸込みグリルが装着され、この吸込みグリルに人感センサーへ赤外線を透過するカバー付きの透過窓が設けられている。この換気扇では人感センサーの向きをホルダーを回動させ、正面、右向き、左向きに設置状態であっても簡単に変えることができ、これによって人感センサーの検知領域を調整することができる。即ち、障害物等で人を検知できないようなことがなくなり、広範な人検知の可能な換気扇が得られる。そして人感センサーは、本体の前側に大きく突出すことはなく、コンパクトで吸込みグリルの前面意匠も損なわれない。   The ventilation fan of the present invention is attached to a wall or ceiling of a toilet or the like, and has a wind tunnel communicating with the interior and exterior of the main body. A flange extending outward is integrally formed on the suction side of the wind tunnel. An impeller that rotates in the wind tunnel is attached to the motor, and an exhaust flow is formed in the wind tunnel by the rotation of the impeller to perform ventilation. The operation of the motor is automatically performed by the output of the human sensor held forward by a holder attached to the outer surface of the lower side in the state of wall mounting of the flange of the main body. The holder is provided so that a certain range can be rotated in a substantially plane with respect to the flange, and the position can be held at the front and left and right positions. A detachable suction grill is mounted on the front surface of the main body, and a transmission window with a cover that transmits infrared rays to the human sensor is provided on the suction grill. In this ventilation fan, the orientation of the human sensor can be easily changed even if it is installed in the front, right, and left directions by rotating the holder, thereby adjusting the detection area of the human sensor. In other words, it is possible to prevent a person from being detected by an obstacle or the like, and to obtain a ventilation fan capable of detecting a wide range of people. The human sensor does not protrude greatly to the front side of the main body, and is compact and does not impair the front design of the suction grille.

実施の形態１．
図１〜図６によって示す本実施の形態は、トイレ等の壁や天井に取付けられ在人検知によって自動運転する換気扇に関するものである。図１は、換気扇全体の斜視図、図２は、吸込みグリルを外した換気扇の斜視図、図３は、換気扇の断面図、図４は、ホルダーと人感センサーの関係を示す分解斜視図、図５は、ホルダーの動きを示す断面説明図、図６は、検知領域の変化を示す説明図である。 Embodiment 1 FIG.
The present embodiment shown in FIGS. 1 to 6 relates to a ventilation fan that is attached to a wall or ceiling of a toilet or the like and is automatically operated by occupant detection. 1 is a perspective view of the whole ventilation fan, FIG. 2 is a perspective view of the ventilation fan with the suction grill removed, FIG. 3 is a sectional view of the ventilation fan, and FIG. 4 is an exploded perspective view showing the relationship between the holder and the human sensor, FIG. 5 is an explanatory cross-sectional view showing the movement of the holder, and FIG. 6 is an explanatory view showing a change in the detection region.

本実施の形態の換気扇は、室内外に通じる筒状の風洞１がプラスチック製の本体２に備えられている。風洞１の室内側の吸込口縁には外方に張出す角形のフランジ３が一体に構成されている。風洞１内で回転する羽根車４が風洞１の後端に取付けられたモーター５の回転軸に取付けられ、この羽根車４の回転によって風洞１に排気流が形成され、換気が行われる。モーター５の運転は、本体２のフランジ３の壁取付け状態において下となる一側外表に取付けられたホルダー６に前向きに保持された人感センサー７の出力によって自動的に行われる。フランジ３のホルダー６を取付ける取付部８は、フランジ３の一部が前下りの２０度程度の勾配を付けた面に形成され、この面に直角に角形のホルダー取付窓が開設された構成である。このホルダー取付窓の上下の対向する面には、対向位置に支持孔が穿たれ、片方の支持孔の両側には小さな凹みが横並びに一つずつ形成されている。   In the ventilation fan of the present embodiment, a cylindrical wind tunnel 1 communicating with the interior and the exterior is provided in a plastic main body 2. A rectangular flange 3 projecting outward is integrally formed at the air inlet 1 on the indoor side of the wind tunnel 1. An impeller 4 that rotates in the wind tunnel 1 is attached to a rotating shaft of a motor 5 attached to the rear end of the wind tunnel 1, and an exhaust flow is formed in the wind tunnel 1 by the rotation of the impeller 4 to perform ventilation. The operation of the motor 5 is automatically performed by the output of the human sensor 7 held forward by the holder 6 attached to the outer surface of the lower side in the wall-mounted state of the flange 3 of the main body 2. The mounting portion 8 for attaching the holder 6 of the flange 3 is configured such that a part of the flange 3 is formed on a front and down inclined surface of about 20 degrees, and a rectangular holder mounting window is opened at right angles to this surface. is there. Supporting holes are formed in opposing positions on the upper and lower opposing surfaces of the holder mounting window, and small dents are formed side by side on both sides of one of the supporting holes.

回路基板Ａに装着された人感センサー７は、ホルダー６に保持され、ホルダー取付窓にホルダー６により左右方向へ略平面内で回動可能（首振り可能）に設けられている。ホルダー６には支持孔に係合する支持軸９と凹みに係合する突起１０があり、二つの突起１０が凹みに係合した状態では取付部８の面の正面に人感センサー７が向いている。ホルダー６を左に回動させると、一方の突起１０がホルダー取付窓の縁部に当り、もう一方の突起１０が凹みから抜け、取付部８に押さえられた状態でホルダー６が左向きの状態に保持される。右に回動させた場合も同様にして右向きの状態に保持される(図４，５参照)。ホルダー６の回動は、図５に示すように左に２５度、右に２５度程度に設定されている。本体２の前面は、着脱可能な吸込みグリル１１が装着され、この吸込みグリル１１に人感センサー７へ赤外線を透過するカバー付きの透過窓１２が設けられている。透過窓１２は人感センサー７の位置に対し左右方向に風洞１の中心位置を越えて設けられ、人感センサー７の回動による検知領域を妨害しない工夫がされている。より良い透過窓１２の大きさは、吸込みグリル１１の下部において正面、側面、下面にわたる大きさが良い。こうした透過窓１２とすることにより、カバーも吸込みグリル１１と同じ面構成にでき、前面意匠も向上する。   The human sensor 7 mounted on the circuit board A is held by a holder 6 and is provided on a holder mounting window so as to be rotatable (swingable) in a substantially plane in the horizontal direction by the holder 6. The holder 6 has a support shaft 9 that engages with the support hole and a protrusion 10 that engages with the recess. When the two protrusions 10 are engaged with the recess, the human sensor 7 faces the front surface of the mounting portion 8. ing. When the holder 6 is rotated to the left, one protrusion 10 hits the edge of the holder mounting window, the other protrusion 10 comes out of the recess, and the holder 6 is left facing while being pressed by the mounting portion 8. Retained. Similarly, when it is rotated to the right, it is held in a right-facing state (see FIGS. 4 and 5). The rotation of the holder 6 is set to about 25 degrees to the left and about 25 degrees to the right as shown in FIG. A detachable suction grill 11 is mounted on the front surface of the main body 2, and a transmission window 12 with a cover that transmits infrared rays to the human sensor 7 is provided on the suction grill 11. The transmission window 12 is provided in the left-right direction beyond the center position of the wind tunnel 1 with respect to the position of the human sensor 7, and is devised so as not to obstruct the detection area due to the rotation of the human sensor 7. A better size of the transmission window 12 is good in the lower part of the suction grill 11 over the front, side, and lower surfaces. By setting it as such a permeation | transmission window 12, a cover can also be made into the same surface structure as the suction grille 11, and a front design is also improved.

この換気扇では人感センサー７の向きをホルダー６を回動させ、正面、右向き、左向きに設置状態であっても簡単に変えることができ、これによって人感センサー７の検知領域を調整することができる。壁又は天井に取付けた場合の検知領域は、図６に示すように吸込みグリル１１の角部から１０度ずつを除いた概ね１６０度の範囲であり、正面、左右の回動によりトイレ等の略全域について人検知をすることができる。壁取付けの場合、フランジ３の取付部８が前傾の勾配を持っているので、下向きに人感センサー７が向いているので人検知には好都合である。ホルダー６は、正面向き、左向き、右向きの位置で凹みと突起１０により保持されるので調整後、向きが不用意に変わることもなく安定した人検知が可能である。即ち、障害物等で人を検知できないようなことがなくなり、広範な人検知の可能な換気扇が得られる。そして人感センサー７は、本体２の前側に大きく突出すことはなく、コンパクトな換気扇となる。   In this ventilation fan, the orientation of the human sensor 7 can be changed easily by rotating the holder 6 so that it can be installed in the front, right and left directions, thereby adjusting the detection area of the human sensor 7. it can. As shown in FIG. 6, the detection area when mounted on the wall or ceiling is in the range of approximately 160 degrees excluding 10 degrees from the corner of the suction grille 11 and is substantially the same as that of a toilet or the like by rotating the front and left and right. Human detection can be performed for the entire area. In the case of wall mounting, since the mounting portion 8 of the flange 3 has a forward inclination, the human sensor 7 faces downward, which is convenient for human detection. The holder 6 is held by the recesses and the protrusions 10 at the front, left, and right positions, so that stable adjustment can be performed without any inadvertent change in the orientation after adjustment. In other words, it is possible to prevent a person from being detected by an obstacle or the like, and to obtain a ventilation fan that can detect a wide range of people. The human sensor 7 does not protrude greatly to the front side of the main body 2 and becomes a compact ventilation fan.

換気扇全体の斜視図である。（実施の形態１）It is a perspective view of the whole ventilation fan. (Embodiment 1) 吸込みグリルを外した換気扇の斜視図である。（実施の形態１）It is a perspective view of the ventilation fan which removed the suction grille. (Embodiment 1) 換気扇の断面図である。（実施の形態１）It is sectional drawing of a ventilation fan. (Embodiment 1) ホルダーと人感センサーの関係を示す分解斜視図である。（実施の形態１）It is a disassembled perspective view which shows the relationship between a holder and a human sensitive sensor. (Embodiment 1) ホルダーの動きを示す断面説明図である。（実施の形態１）It is a section explanatory view showing movement of a holder. (Embodiment 1) 検知領域の変化を示す説明図である。（実施の形態１）It is explanatory drawing which shows the change of a detection area | region. (Embodiment 1)

符号の説明Explanation of symbols

１ 風洞、 ２ 本体、 ３ フランジ、 ４ 羽根車、 ５ モーター、 ６ ホルダー、 ７ 人感センサー、 ８ 取付部、 ９ 支持軸、 １０ 突起、 １１ 吸込みグリル、 １２ 透過窓。   DESCRIPTION OF SYMBOLS 1 Wind tunnel, 2 Main body, 3 Flange, 4 Impeller, 5 Motor, 6 Holder, 7 Human sensor, 8 Mounting part, 9 Support shaft, 10 Protrusion, 11 Suction grill, 12 Transmission window

Claims (1)

吸込側に外方に張出すフランジを持つ風洞にモーターにより回転する羽根車が組付けられ、トイレ等の壁面に前記フランジを前面に向けて取付けられて、前記フランジに設けられた赤外線を検知する人感センサーの検知出力により自動運転する換気扇であり、
前記フランジの下部に前方斜め下を向く傾斜面を形成し、前記傾斜面に取り付けたホルダーにより前記人感センサーを正面及び左右に向きを変え得るよう回動可能に支持し、
前記ホルダーの向きを所定の方向に保持する保持構造を備え、
さらに前記フランジの前面に装着される吸込みグリルを備え、前記吸込みグリルの下部に前記人感センサーへ赤外線を透過する透過窓を正面、側面、下面にわたって設けた
ことを特徴とする換気扇。 Impeller which is rotated by a motor flange to issue outwardly Zhang lifting one wind tunnel mounted on the suction write side, the flange is attached toward the front on the wall surface, such as toilet, provided on the flange Exhaust Fan der to automatic operation by the detection output of the human sensor for detecting the infrared radiation is,
It said flange to form an inclined surface facing downward and forward slant in the lower portion of, the motion sensors and rotatably supported so may change the can towards the front and right and left by a holder attached to the inclined surface,
A holding structure for holding the holder in a predetermined direction;
In addition, a suction grille mounted on the front surface of the flange is provided, and a transmission window that transmits infrared rays to the human sensor is provided on the lower surface of the suction grille over the front, side, and lower surfaces.
A ventilation fan characterized by that .
JP2005166882A 2005-06-07 2005-06-07 Ventilation fan Active JP4675683B2 (en)

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JP2008209091A (en) * 2007-02-28 2008-09-11 Matsushita Electric Ind Co Ltd Ventilation fan
JP2008215742A (en) * 2007-03-06 2008-09-18 Matsushita Electric Ind Co Ltd Ventilating device
CN101294577B (en) * 2007-04-24 2012-07-04 松下电器产业株式会社 Ventilation fan with illumination instrument and human motion perception sensor
JP5119784B2 (en) * 2007-07-25 2013-01-16 パナソニック株式会社 Air conditioner
WO2009098849A1 (en) * 2008-02-08 2009-08-13 Panasonic Corporation Air conditioner
JP5132498B2 (en) * 2008-09-17 2013-01-30 三菱電機株式会社 Air conditioner
KR101507163B1 (en) 2008-11-10 2015-03-30 엘지전자 주식회사 Indoor unit for air conditioning apparatus
JP5786119B2 (en) * 2010-10-28 2015-09-30 パナソニックＩｐマネジメント株式会社 Ventilation equipment
JP6197449B2 (en) * 2013-07-31 2017-09-20 株式会社富士通ゼネラル Air conditioner indoor unit
JP6261405B2 (en) * 2014-03-19 2018-01-17 三菱電機株式会社 Ventilation fan
JP6203108B2 (en) * 2014-04-22 2017-09-27 三菱電機株式会社 Ventilation fan

Citations (4)

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Publication number Priority date Publication date Assignee Title
JPH06300341A (en) * 1993-04-14 1994-10-28 Toshiba Corp Ventilating fan for ceiling
JPH0742982A (en) * 1993-07-30 1995-02-10 Matsushita Seiko Co Ltd Ventilation fan
JP2000097472A (en) * 1998-09-21 2000-04-04 Mitsubishi Electric Corp Ventilating device
JP2002175577A (en) * 2000-12-06 2002-06-21 Noritz Corp Human body detecting device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06300341A (en) * 1993-04-14 1994-10-28 Toshiba Corp Ventilating fan for ceiling
JPH0742982A (en) * 1993-07-30 1995-02-10 Matsushita Seiko Co Ltd Ventilation fan
JP2000097472A (en) * 1998-09-21 2000-04-04 Mitsubishi Electric Corp Ventilating device
JP2002175577A (en) * 2000-12-06 2002-06-21 Noritz Corp Human body detecting device

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