JP2009008348A - Range hood - Google Patents

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JP2009008348A
JP2009008348A JP2007171399A JP2007171399A JP2009008348A JP 2009008348 A JP2009008348 A JP 2009008348A JP 2007171399 A JP2007171399 A JP 2007171399A JP 2007171399 A JP2007171399 A JP 2007171399A JP 2009008348 A JP2009008348 A JP 2009008348A
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hood
ceiling
range hood
blower
room
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JP5008074B2 (en
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Keiichi Kashiwamura
桂一 柏村
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Fuji Industrial Co Ltd
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Fuji Industrial Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a range hood capable of preventing air behind a ceiling from flowing into a room from a space between an exhaust duct and a pass-through slot of the ceiling in an exhaust operation as a range hood. <P>SOLUTION: A shielding body 8 is mounted between this hood 1 and the ceiling 4 to form a space part 8a isolated from the inside of a room; the space 7 between the exhaust duct 3 and the pass-through opening 4a of the ceiling 4 is made to communicate with the space part 8a; an auxiliary suction opening 9 making the space part 8a communicate with the inside of the hood 1 is formed on the hood 1; a blower 2 is driven to execute an exhaust operation; thereby air behind the ceiling having flowed in the space part 8a is exhausted to the outside of the room from the auxiliary suction opening 9 through the exhaust duct 3; and the air behind the ceiling is prevented from flowing into the room from the space 7 between the exhaust duct 3 and the pass-through opening 4a of the ceiling 4 in the exhaust operation as a range hood. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、台所の加熱調理器上方に設けられ、調理により発生した燃焼ガス、油煙及び臭気などを屋外に排気するレンジフードに関する。   The present invention relates to a range hood that is provided above a cooking device in a kitchen and exhausts combustion gas, oily smoke, odor, and the like generated by cooking to the outside.

従来、レンジフードとしては、台所の加熱調理器上方に設けられるフードと、このフード内の空気を吸い込む送風機と、この送風機に接続した排気ダクトを備え、その送風機を駆動することで、調理により発生した燃焼ガス、油煙及び臭気などをフードで捕集し、排気ダクトを通して屋外に排気するものが知られている。   Conventionally, as a range hood, a hood provided above a cooking device in a kitchen, a blower that sucks air in the hood, and an exhaust duct connected to the blower are generated by cooking by driving the blower. It is known that collected combustion gas, oil smoke, odor and the like are collected by a hood and exhausted outdoors through an exhaust duct.

特開平１０−１９３３３号公報Japanese Patent Laid-Open No. 10-19333

前述のような従来のレンジフードにおいては、その排気ダクトは多くの場合、送風機の吐出口から垂直に延びて天井の貫通口を挿通して天井裏まで配管され、その後に曲がり管（エルボ）により水平に方向変換し、天井裏を水平に伸びて建物壁面へと案内される。
前述の排気ダクトの配管工事においては、天井にあらかじめダクト径よりも大きなサイズの貫通口を形成し、この貫通口に排気ダクトを挿通するのが一般的であるが、その配管工事の作業性を重視することから、排気ダクトのダクト径よりも大きな貫通口を天井に形成することがある。これによって、排気ダクトと天井の貫通口との間に大きな隙間が形成される。
なお、排気ダクトを断熱材で被覆した場合には、前記貫通口はより大きく形成されるので、前述の隙間がより大きくなる。 In the conventional range hood as described above, in many cases, the exhaust duct extends vertically from the discharge port of the blower, passes through the through-hole of the ceiling and is piped to the back of the ceiling, and then is bent by an elbow. The direction is changed horizontally, and the ceiling is extended horizontally and guided to the building wall.
In the above-described exhaust duct piping work, it is common to form a through-hole that is larger than the duct diameter in advance in the ceiling and insert the exhaust duct through this through-hole. Due to the importance, a through hole larger than the duct diameter of the exhaust duct may be formed in the ceiling. As a result, a large gap is formed between the exhaust duct and the through hole in the ceiling.
In addition, when the exhaust duct is covered with a heat insulating material, since the through-hole is formed larger, the aforementioned gap becomes larger.

一方、レンジフードの送風機を駆動してレンジフードを、レンジフードとしての排気運転することにより、台所（調理室）をはじめとする居室内が負圧状態となる。
このために、前述のように排気ダクトと天井の貫通口との間に大きな隙間があると、レンジフードとしての排気運転時に、その隙間を通って天井裏の空気が室内に流入することになる。 On the other hand, by driving the blower of the range hood and exhausting the range hood as a range hood, the living room including the kitchen (cooking room) is in a negative pressure state.
For this reason, if there is a large gap between the exhaust duct and the ceiling through-hole as described above, the air behind the ceiling flows into the room through the gap during the exhaust operation as a range hood. .

近年、建材等に使用される有機性の化学物質が問題となっており、天井裏等にホルムアルデヒドを発揮する建材を使用した場合には、前述のように天井裏の空気が室内に流入すると問題である。   In recent years, organic chemicals used for building materials have become a problem, and when building materials that exhibit formaldehyde are used on the ceiling, etc., the problem is that the air behind the ceiling flows into the room as described above. It is.

このことから、前述のように排気ダクトと天井の貫通口との間に大きな隙間がある場合には、その隙間を閉塞してレンジフードとしての排気運転時に天井裏の空気が室内に流入しないようにすることが考えられる。
しかし、排気ダクトと天井の貫通口との間の隙間を塞ぐ作業は大変面倒で、レンジフードの設置に時間がかかることになる。 Therefore, if there is a large gap between the exhaust duct and the ceiling through-hole as described above, the gap is closed so that the air behind the ceiling does not flow into the room during the exhaust operation as a range hood. Can be considered.
However, the work of closing the gap between the exhaust duct and the through hole in the ceiling is very troublesome, and it takes time to install the range hood.

本発明の目的は、排気ダクトと天井の貫通口との間の隙間を塞ぐことなしに、レンジフードとしての排気運転時に天井裏の空気が室内に流入しないようにできるレンジフードを提供することである。   An object of the present invention is to provide a range hood capable of preventing the air behind the ceiling from flowing into the room during exhaust operation as a range hood without blocking the gap between the exhaust duct and the through-hole of the ceiling. is there.

本発明は、天井４と対向して設置するフード１と、このフード１内を負圧とする送風機２と、この送風機２の吐出口２４と連通し、天井４の貫通口４ａを挿通して天井裏６に配設する排気ダクト３と、前記フード１と天井４とに亘って取付けられ前記天井４とフード１との間に、室内とは遮断された空間部８ａを形成する遮蔽体８を備え、
前記天井４の貫通口４ａと前記排気ダクト３との間の隙間７は、前記空間部８ａに開口連通し、
前記フード１に、前記空間部８ａをフード１内部に連通する副吸込口９を形成したことを特徴とするレンジフードである。 The present invention communicates with a hood 1 that is installed facing the ceiling 4, a blower 2 that makes negative pressure in the hood 1, a discharge port 24 of the blower 2, and a through-hole 4 a of the ceiling 4. An exhaust duct 3 arranged on the ceiling 6 and a shield 8 that is attached to the hood 1 and the ceiling 4 and forms a space 8 a that is blocked from the room between the ceiling 4 and the hood 1. With
A gap 7 between the through-hole 4a of the ceiling 4 and the exhaust duct 3 is in open communication with the space portion 8a.
The range hood is characterized in that the hood 1 is formed with a sub-suction port 9 for communicating the space 8 a with the hood 1.

本発明においては、レンジフードとしての排気運転停止時に室内を換気するために送風機２を駆動して換気運転するように構成できる。   In this invention, in order to ventilate the room | chamber interior at the time of the exhaust operation stop as a range hood, it can comprise so that the air blower 2 may be driven and ventilation operation may be carried out.

このようにすれば、レンジフードとしての排気運転停止時にも天井裏の空気を隙間７、空間部８ａ、副吸込口９を通して排気ダクト３で屋外に排気されるので、レンジフードとしての排気運転停止時に天井裏の空気がフード１内に通って室内に流入することがない。   In this way, even when the exhaust operation as a range hood is stopped, the air behind the ceiling is exhausted to the outside through the gap 7, the space 8 a and the auxiliary suction port 9 through the exhaust duct 3. Sometimes the air behind the ceiling does not pass through the hood 1 and flow into the room.

本発明においては、フード１の副吸込口９を開閉する開閉装置を設け
この開閉装置は、送風機２を駆動したレンジフードとしての排気運転時には副吸込口９を開放し、送風機２を停止したレンジフードとしての排気運転停止時には副吸込口９を閉じるように構成できる。 In the present invention, an opening / closing device that opens and closes the auxiliary suction port 9 of the hood 1 is provided. This opening / closing device opens the auxiliary suction port 9 and stops the blower 2 during exhaust operation as a range hood that drives the blower 2. When the exhaust operation as a hood is stopped, the auxiliary suction port 9 can be closed.

このようにすれば、レンジフードとしての排気運転停止時には副吸込口９が開閉装置で閉じられ、天井裏の空気がフード１内に流入しないので、レンジフードとしての排気運転停止時に天井裏の空気がフード１内を通って室内に流入することがない。   In this way, when the exhaust operation as a range hood is stopped, the auxiliary suction port 9 is closed by the opening / closing device, and the air behind the ceiling does not flow into the hood 1. Does not flow through the hood 1 into the room.

本発明によれば、天井裏の空気は、天井４の貫通口４ａと排気ダクト３との間の隙間７から空間部８ａに流入するが、その天井裏の空気は送風機２を駆動することで副吸込口９から吸い込まれて排気ダクト３で屋外に排気される。
したがって、排気ダクト３の配管工事をやり易いように天井４の貫通口４ａを大きくし、その貫通口４ａと排気ダクト３との間に大きな隙間７がある場合でも、その隙間７を塞ぐことなしに、レンジフードとしての排気運転時に天井裏の空気が室内に流入しないようにできる。 According to the present invention, the air behind the ceiling flows into the space 8 a from the gap 7 between the through-hole 4 a of the ceiling 4 and the exhaust duct 3, but the air behind the ceiling drives the blower 2. The air is sucked in from the auxiliary suction port 9 and exhausted to the outside through the exhaust duct 3.
Therefore, even if the through-hole 4a of the ceiling 4 is enlarged so that the piping work of the exhaust duct 3 can be easily performed and there is a large gap 7 between the through-hole 4a and the exhaust duct 3, the gap 7 is not blocked. In addition, the air behind the ceiling can be prevented from flowing into the room during the exhaust operation as the range hood.

本発明の第１の実施の形態を説明する。
図１に示すように、レンジフードはフード１と、送風機２と、排気ダクト３を備えている。
前記フード１は、天板１０と周面板１１とで下面が開口した箱形状で、このフード１は天井４と天板１０とが離隔して天井４と対向して設置される。例えば、壁５に固着して設置する。
前記送風機２は、ハウジング２０内にファン２１を回転自在に設け、そのファン２１をモータ２２で回転することで吸込口２３から空気を吸い込んで吐出口２４を吐出するものである。
前記送風機２の吸込口２３がフード１内に連通してファン２１が回転することでフード１内を負圧とすると共に、吐出口２４が排気ダクト３に連通している。 A first embodiment of the present invention will be described.
As shown in FIG. 1, the range hood includes a hood 1, a blower 2, and an exhaust duct 3.
The hood 1 has a box shape in which a lower surface is opened by a top plate 10 and a peripheral surface plate 11, and the hood 1 is installed facing the ceiling 4 with the ceiling 4 and the top plate 10 being separated from each other. For example, it is fixed to the wall 5 and installed.
The blower 2 is configured such that a fan 21 is rotatably provided in a housing 20, and the fan 21 is rotated by a motor 22 to suck air from a suction port 23 and discharge the discharge port 24.
The suction port 23 of the blower 2 communicates with the inside of the hood 1, and the fan 21 rotates to make the inside of the hood 1 have a negative pressure, and the discharge port 24 communicates with the exhaust duct 3.

この実施の形態では、フード１内が仕切板１２で空気捕集室１ａと送風機収容室１ｂに区画され、その空気捕集室１ａと送風機収容室１ｂは仕切板１２の開口１３で連通していると共に、その開口１３の周縁にフィルター１４が取付けてある。
前記空気捕集室１ａが下面に開口して図示しない加熱調理器と対向している。
前記送風機収容室１ｂ内に送風機２が設けてある。
レンジフードとしての排気運転時にはそのファン２１を回転することで送風機収容室１ｂ内が負圧となることで、開口１３を通して空気捕集室１ａも負圧となり、調理により発生した燃焼ガス、油煙及び臭気などを捕集して排気ダクト３に吐出する。 In this embodiment, the inside of the hood 1 is partitioned by a partition plate 12 into an air collection chamber 1a and a fan housing chamber 1b, and the air collection chamber 1a and the fan housing chamber 1b communicate with each other through an opening 13 of the partition plate 12. In addition, a filter 14 is attached to the periphery of the opening 13.
The air collection chamber 1a is opened on the lower surface and faces a cooking device (not shown).
A blower 2 is provided in the blower housing chamber 1b.
During exhaust operation as a range hood, the fan 21 is rotated to create a negative pressure in the blower housing chamber 1b, so that the air collection chamber 1a also has a negative pressure through the opening 13, and combustion gas, oil smoke generated by cooking, Odor is collected and discharged to the exhaust duct 3.

前記排気ダクト３は、垂直部３０と曲がり部３１と水平部３２を有している。
前記垂直部３０が継手３３で吐出口２４に連通し、天井４に形成した貫通口４ａを挿通して天井裏６まで配設され、水平部３２が天井裏６を水平に延びて図示しない建物壁面まで配設される。 The exhaust duct 3 has a vertical portion 30, a bent portion 31, and a horizontal portion 32.
The vertical portion 30 communicates with the discharge port 24 through a joint 33, is inserted through the through-hole 4a formed in the ceiling 4 to the ceiling 6 and the horizontal portion 32 extends horizontally through the ceiling 6 and is not shown. Arranged to the wall.

前記天井４の貫通口４ａは排気ダクト３（垂直部３１）の径に比べて大きく、配管工事をやり易くしているので、その貫通口４ａと排気ダクト３との間には大きな隙間７が形成される。
この隙間７を通してレンジフードとしての排気運転時に天井裏６の空気が室内に流入してしまう。 Since the through-hole 4a of the ceiling 4 is larger than the diameter of the exhaust duct 3 (vertical portion 31) and facilitates piping work, a large gap 7 is formed between the through-hole 4a and the exhaust duct 3. It is formed.
Air in the ceiling 6 flows into the room through the gap 7 during exhaust operation as a range hood.

そこで、本発明においてはフード１と天井４とに亘って遮蔽体８を取付けてレンジフード１と天井４との間に前記隙間７に連通した空間部８ａを形成すると共に、その隙間７が直接室内に連通しないように遮断し、前記空間部８ａをフード１内部、例えば送風機収容室１ｂに連通する副吸込口９を前記フード１に形成する。   Therefore, in the present invention, the shield 8 is attached over the hood 1 and the ceiling 4 to form a space portion 8a communicating with the gap 7 between the range hood 1 and the ceiling 4, and the gap 7 is directly formed. An auxiliary suction port 9 is formed in the hood 1 so as not to communicate with the room, and the space portion 8a communicates with the inside of the hood 1, for example, the blower housing chamber 1b.

このようにすることで、レンジフードとしての排気運転時に、前述の隙間７を通して空間部８ａ内に流入した天井裏の空気は、副吸込口９からフード１内に吸い込まれ、排気ダクト３で屋外に排気されるので、天井裏の空気がレンジフードとしての排気運転時に室内に流入しないようにできる。   By doing in this way, the air behind the ceiling that has flowed into the space portion 8a through the gap 7 during the exhaust operation as the range hood is sucked into the hood 1 from the auxiliary suction port 9 and is outdoors in the exhaust duct 3. Therefore, the air behind the ceiling can be prevented from flowing into the room during the exhaust operation as a range hood.

前記空間部８ａはレンジフード１の天板１０と天井４と壁５で形成され、副吸込口９は天板１０に形成してある。
すなわち、フード１が壁５に固着してあるので、遮蔽体８を平面コ字形状として壁５に接して取付けることによって空間部８ａを形成している。
なお、レンジフードのフード１の左右一方と隣接してキッチンキャビネットが設置されている場合には遮蔽体８は平面Ｌ字形状で良いし、左右両方と隣接してキッチンキャビネットが設置されている場合には遮蔽体８は平面直線形状で良い。 The space portion 8 a is formed by the top plate 10, the ceiling 4, and the wall 5 of the range hood 1, and the sub suction port 9 is formed in the top plate 10.
That is, since the hood 1 is fixed to the wall 5, the space 8 a is formed by attaching the shield 8 in contact with the wall 5 in a plane U shape.
In addition, when the kitchen cabinet is installed adjacent to the left and right sides of the hood 1 of the range hood, the shield 8 may have a flat L shape, or the kitchen cabinet is installed adjacent to both the left and right sides. Alternatively, the shield 8 may have a planar linear shape.

前記フード１には操作パネル４０が取付けてある。
この操作パネル４０は図２に示すように、換気スイッチ４１、強運転スイッチ４２、中運転スイッチ４３、弱運転スイッチ４４、切スイッチ４５、ランプスイッチ４６を備えている。
前記換気スイッチ４１をＯＮ操作するとモータ２２を任意速度で回転して室内の空気を排気ダクト３を経て室外に排気して室内を換気する。いわゆる換気運転できる。
前記強運転スイッチ４２をＯＮ操作すると送風機２のモータ２２を高速回転し、中運転スイッチ４２、弱運転スイッチ４３をそれぞれＯＮ操作すると前記モータ２２を中速回転、低速回転してレンジフードとしての排気運転の速度を３段階に切り換えできるようにしてある。
前記切スイッチ４５をＯＮ操作すると前述のレンジフードとしての排気運転が停止して前述の室内を換気するための換気運転となる。この排気運転が停止して換気運転となる、ということは、送風機２のモータ２２の回転速度を、レンジフードとして排気運転している時の速度よりも遅くすることでも良いし、送風機２のモータ２２を停止し、その後に再びモータ２２を、室内を換気するのに見合う速度で駆動することでも良い。
前記ランプスイッチ４６をＯＮ操作するとフード１に取付けたランプ４７が点灯する。 An operation panel 40 is attached to the hood 1.
As shown in FIG. 2, the operation panel 40 includes a ventilation switch 41, a strong operation switch 42, a medium operation switch 43, a weak operation switch 44, a turn-off switch 45, and a lamp switch 46.
When the ventilation switch 41 is turned on, the motor 22 is rotated at an arbitrary speed to exhaust the indoor air through the exhaust duct 3 and ventilate the room. So-called ventilation operation is possible.
When the strong operation switch 42 is turned ON, the motor 22 of the blower 2 is rotated at a high speed, and when the medium operation switch 42 and the weak operation switch 43 are turned ON, the motor 22 is rotated at a medium speed and a low speed to exhaust as a range hood. The driving speed can be switched in three stages.
When the switch 45 is turned on, the exhaust operation as the range hood is stopped and the ventilation operation for ventilating the room is performed. The fact that the exhaust operation is stopped and the ventilation operation is performed means that the rotation speed of the motor 22 of the blower 2 may be slower than the speed when the exhaust operation is performed as a range hood, or the motor of the blower 2 It is also possible to stop the motor 22 and then drive the motor 22 again at a speed suitable for ventilating the room.
When the lamp switch 46 is turned on, the lamp 47 attached to the hood 1 is turned on.

前述のように、レンジフードとしての排気運転停止時に送風機２を駆動して室内を換気するための換気運転するようにすれば、天井裏６の空気を排気ダクト３で屋外に排気するので、レンジフードとしての排気運転を停止した時にも天井裏の空気がフード１内部を通って室内に流入することがないようにできる。
すなわち、送風機２が停止したレンジフードとしての排気運転停止時には、天井裏の空気が隙間７、空間部８ａ、副吸込口９、フード１内部を通って室内に流れることがあるので、前述のようにレンジフードとしての排気運転停止時に換気運転することによって、天井裏の空気がフード１内を通って室内に流入することがないようにできる。 As described above, when the fan 2 is driven to stop the exhaust operation as a range hood and the ventilation operation is performed to ventilate the room, the air in the ceiling 6 is exhausted to the outside through the exhaust duct 3. Even when the exhaust operation as the hood is stopped, the air behind the ceiling can be prevented from flowing into the room through the inside of the hood 1.
That is, when the exhaust operation as the range hood with the blower 2 stopped is stopped, the air behind the ceiling may flow into the room through the gap 7, the space 8 a, the auxiliary suction port 9, and the inside of the hood 1. In addition, by performing the ventilation operation when the exhaust operation as the range hood is stopped, the air behind the ceiling can be prevented from flowing into the room through the hood 1.

次に、本発明の第２の実施の形態を説明する。
図３に示すように、フード１の副吸込口９を開閉する開閉装置、例えば電動式シャッター５０を設ける。
この電動式シャッター５０はレンジフードとしての排気運転時には副吸込口９を開放し、レンジフードとしての排気運転停止時には副吸込口９を閉じる。
このようにすることで、レンジフードとしての排気運転停止時に天井裏の空気がフード１内部を通って室内に流入しないようにできる。 Next, a second embodiment of the present invention will be described.
As shown in FIG. 3, an opening / closing device that opens and closes the sub suction port 9 of the hood 1, for example, an electric shutter 50 is provided.
The electric shutter 50 opens the auxiliary suction port 9 during the exhaust operation as the range hood, and closes the auxiliary suction port 9 when the exhaust operation as the range hood stops.
By doing in this way, when the exhaust operation as a range hood is stopped, the air behind the ceiling can be prevented from flowing into the room through the inside of the hood 1.

前記電動式シャッター５０は、筒体５１に弁５２を閉じ姿勢と開き姿勢に回動自在に設け、この弁５２をモータ５３で回転することで筒体５１を閉じたり、開放したりするもので、その筒体５１が副吸込口９と連通して取付けてある。
そして、弁５２で筒体５１を閉じることで副吸込口９を閉じ、弁５２で筒体５１を開放することで副吸込口９を開放する。
前記モータ５３は前記送風機２のモータ２２と同期して制御され、モータ２２が回転すると弁５２が開き姿勢となり、モータ２２が停止すると弁５２が閉じ姿勢となる。 The electric shutter 50 is provided in the cylinder 51 so that the valve 52 can be freely rotated between a closed position and an open position, and the cylinder 51 is closed or opened by rotating the valve 52 with a motor 53. The cylindrical body 51 is attached in communication with the auxiliary suction port 9.
Then, the sub suction port 9 is closed by closing the cylinder 51 with the valve 52, and the sub suction port 9 is opened by opening the cylinder 51 with the valve 52.
The motor 53 is controlled in synchronization with the motor 22 of the blower 2. When the motor 22 rotates, the valve 52 is in an open posture, and when the motor 22 is stopped, the valve 52 is in a closed posture.

例えば、弁５２をスプリング等で常時閉じ姿勢に保持し、前述した操作パネル４の強・中・弱スイッチ４２，４３，４４をＯＮ操作した時にはモータ５３に通電して駆動し、前記弁５２を閉じ姿勢とするようにし、切スイッチ４５をＯＮ操作するとモータ５３に通電しなくなり、弁５２がスプリング等で閉じ姿勢となるようにする。
この場合には、前述の換気スイッチ４１を設けなくとも良い。 For example, the valve 52 is always kept closed by a spring or the like, and when the above-mentioned strong / medium / weak switches 42, 43, 44 of the operation panel 4 are turned on, the motor 53 is energized to drive the valve 52. When the switch 45 is turned on and the switch 45 is turned on, the motor 53 is not energized, and the valve 52 is closed by a spring or the like.
In this case, the ventilation switch 41 described above may not be provided.

次に、本発明の第３の実施の形態を説明する。
図４に示すように、フード１を、空気捕集室１ａを形成するフード本体１−１と、送風機収容室１ｂを形成する送風機ボックス１−２で構成し、その送風機ボックス１−２内に送風機２を取付ける。
前記フード本体１−１は天板１５と周面板１６と下面板１７で扁平な箱形状で、その下面板１７は上向きに凹んだ形状で、開口１７ａが形成されていると共に、その開口１７ａと対向してプレート１８が設けてある。
前記送風機ボックス１−２は、天板６０と周面板６１と下面板６２で矩形箱形状で、その天板６０に前述の副吸込口９が形成してある。
前記送風機ボックス１−２の下面板６２には流入口６３が形成され、フード本体１−１の天板１５には流出口６４が形成してあり、この流出口６４と前記流入口６３が連通している。 Next, a third embodiment of the present invention will be described.
As shown in FIG. 4, the hood 1 is composed of a hood main body 1-1 that forms an air collecting chamber 1a and a blower box 1-2 that forms a blower housing chamber 1b. Install the blower 2.
The hood main body 1-1 has a flat box shape with a top plate 15, a peripheral surface plate 16 and a lower surface plate 17, and the lower surface plate 17 has an upwardly recessed shape with an opening 17a and an opening 17a. Opposing plate 18 is provided.
The blower box 1-2 has a rectangular box shape with a top plate 60, a peripheral plate 61 and a bottom plate 62, and the above-described auxiliary suction port 9 is formed in the top plate 60.
An inflow port 63 is formed in the lower surface plate 62 of the blower box 1-2, and an outflow port 64 is formed in the top plate 15 of the hood body 1-1. The outflow port 64 and the inflow port 63 communicate with each other. is doing.

この実施の形態においても前述と同様に換気運転するようにしても良いし、電動式シャッター５０を取付けて副吸込口９を開閉するようにしても良い。   Also in this embodiment, the ventilation operation may be performed in the same manner as described above, or the auxiliary suction port 9 may be opened and closed by attaching the electric shutter 50.

本発明の第１の実施の形態を示すレンジフードの設置状態の断面図である。It is sectional drawing of the installation state of the range hood which shows the 1st Embodiment of this invention. 操作パネルの説明図である。It is explanatory drawing of an operation panel. 本発明の第２の実施の形態を示すレンジフードの設置状態の断面図である。It is sectional drawing of the installation state of the range hood which shows the 2nd Embodiment of this invention. 本発明の第３の実施の形態を示すレンジフードの設置状態の断面図である。It is sectional drawing of the installation state of the range hood which shows the 3rd Embodiment of this invention.

符号の説明Explanation of symbols

１…フード、１ａ…空気捕集室、１ｂ…送風機収容室、２…送風機、３…排気ダクト、４…天井、４ａ…貫通口、５…壁、６…天井裏、７…隙間、８…遮蔽体、８ａ…空間部、０９…副吸込口、４０…操作パネル、５０…電動式シャッター。   DESCRIPTION OF SYMBOLS 1 ... Hood, 1a ... Air collection chamber, 1b ... Blower accommodation room, 2 ... Blower, 3 ... Exhaust duct, 4 ... Ceiling, 4a ... Through-hole, 5 ... Wall, 6 ... Back of ceiling, 7 ... Gap, 8 ... Shielding body, 8a ... space, 09 ... sub suction port, 40 ... operation panel, 50 ... electric shutter.

Claims (3)

天井４と対向して設置するフード１と、このフード１内を負圧とする送風機２と、この送風機２の吐出口２４と連通し、天井４の貫通口４ａを挿通して天井裏６に配設する排気ダクト３と、前記フード１と天井４とに亘って取付けられ前記天井４とフード１との間に、室内とは遮断された空間部８ａを形成する遮蔽体８を備え、
前記天井４の貫通口４ａと前記排気ダクト３との間の隙間７は、前記空間部８ａに開口連通し、
前記フード１に、前記空間部８ａをフード１内部に連通する副吸込口９を形成したことを特徴とするレンジフード。 A hood 1 installed opposite to the ceiling 4, a blower 2 that makes negative pressure in the hood 1, and a discharge port 24 of the blower 2, and a through-hole 4 a of the ceiling 4 are inserted into the ceiling back 6. An exhaust duct 3 to be disposed; and a shield 8 which is attached across the hood 1 and the ceiling 4 and forms a space portion 8a which is blocked from the room between the ceiling 4 and the hood 1,
A gap 7 between the through-hole 4a of the ceiling 4 and the exhaust duct 3 is in open communication with the space portion 8a.
A range hood, wherein the hood 1 is formed with a sub-suction port 9 for communicating the space 8a with the hood 1. レンジフードとしての排気運転停止時に、室内を換気するために送風機２を駆動して換気運転するようにした請求項１記載のレンジフード。   The range hood according to claim 1, wherein when the exhaust operation as the range hood is stopped, the blower 2 is driven to perform a ventilation operation in order to ventilate the room. フード１の副吸込口９を開閉する開閉装置を設け
この開閉装置は、送風機２を駆動したレンジフードとしての排気運転時には副吸込口９を開放し、送風機２を停止したレンジフードとしての排気運転停止時には副吸込口９を閉じるようにした請求項１記載のレンジフード。 An opening / closing device that opens and closes the sub suction port 9 of the hood 1 is provided. This opening / closing device opens the sub suction port 9 during exhaust operation as a range hood that drives the blower 2, and performs exhaust operation as a range hood that stops the blower 2. The range hood according to claim 1, wherein the auxiliary suction port 9 is closed when the vehicle is stopped.
JP2007171399A 2007-06-29 2007-06-29 Range food Expired - Fee Related JP5008074B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010230269A (en) * 2009-03-27 2010-10-14 Toho Gas Living Kk Exhaust duct and range hood using the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54168049U (en) * 1978-05-17 1979-11-27
JPH08226688A (en) * 1995-02-17 1996-09-03 Sun Wave Ind Co Ltd Ventilating hood device for kitchen
JP2003148779A (en) * 2001-11-07 2003-05-21 Akira Nakao Exhaust device
JP2004211945A (en) * 2002-12-27 2004-07-29 Yamazen:Kk Air supply and exhaust pipe connection box for range hood
JP2007107829A (en) * 2005-10-14 2007-04-26 Matsushita Electric Ind Co Ltd Bathroom ventilating device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54168049U (en) * 1978-05-17 1979-11-27
JPH08226688A (en) * 1995-02-17 1996-09-03 Sun Wave Ind Co Ltd Ventilating hood device for kitchen
JP2003148779A (en) * 2001-11-07 2003-05-21 Akira Nakao Exhaust device
JP2004211945A (en) * 2002-12-27 2004-07-29 Yamazen:Kk Air supply and exhaust pipe connection box for range hood
JP2007107829A (en) * 2005-10-14 2007-04-26 Matsushita Electric Ind Co Ltd Bathroom ventilating device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010230269A (en) * 2009-03-27 2010-10-14 Toho Gas Living Kk Exhaust duct and range hood using the same

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