WO2017022087A1 - Ventilateur soufflant - Google Patents

Ventilateur soufflant Download PDF

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Publication number
WO2017022087A1
WO2017022087A1 PCT/JP2015/072132 JP2015072132W WO2017022087A1 WO 2017022087 A1 WO2017022087 A1 WO 2017022087A1 JP 2015072132 W JP2015072132 W JP 2015072132W WO 2017022087 A1 WO2017022087 A1 WO 2017022087A1
Authority
WO
WIPO (PCT)
Prior art keywords
body frame
shutter
opening
main body
shutter plate
Prior art date
Application number
PCT/JP2015/072132
Other languages
English (en)
Japanese (ja)
Inventor
馨 中谷
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2017532307A priority Critical patent/JP6434151B2/ja
Priority to MYPI2018700361A priority patent/MY182319A/en
Priority to PCT/JP2015/072132 priority patent/WO2017022087A1/fr
Priority to CN201580081122.0A priority patent/CN107709885B/zh
Publication of WO2017022087A1 publication Critical patent/WO2017022087A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/02—Roof ventilation

Definitions

  • the present invention relates to a ventilation fan installed on the wall of a building.
  • a shutter of a ventilation fan in which a plurality of horizontally long shutter plates are arranged vertically at the open end of the box-like frame outside.
  • the shutter with shutter plates installed at the open ends of the box-shaped frame outside is equipped with long shutter support plates on both sides of the open end of the frame, and both ends of each shutter plate can be opened and closed to the shutter support section. It is fixed to.
  • Patent Document 1 discloses a ventilating fan in which overlapping portions are provided between shutter plates or between each shutter plate and a main body frame in order to prevent outside air inflow and light intrusion.
  • Ventilation fans are often used in residential kitchens, and a slight gap is provided between each shutter plate and the body frame so that the operation of each shutter plate does not deteriorate due to adhesion of oily smoke or dust. It has a structure. Therefore, inflow of outdoor air from the gap portion and intrusion of light become a problem.
  • the ventilation fan disclosed in Patent Document 1 has a gap in the upper portion where the main body frame and each shutter plate do not overlap. Therefore, there is room for reducing the inflow of outdoor air and the intrusion of light from the gap between the shutter plate and the main body frame. Further, it is easily assumed that the shutter plate protrudes from the main body frame in the lateral direction that is the axial direction of the rotation axis. Ventilation fans are often installed in square holes on the walls of houses using wooden frames. If the shutter plate protrudes from the main body frame, the shutter plate interferes with the inner surface of the square hole, which may cause malfunction of the shutter plate. There is a risk that the shutter cannot be opened or closed.
  • the present invention has been made in view of the above, and suppresses the occurrence of malfunctions when opening and closing the shutter while reducing the inflow of outdoor air and the intrusion of light from the gap between the shutter plate and the main body frame.
  • the purpose is to obtain a ventilation fan.
  • the present invention provides a ventilation fan having a rectangular tube-shaped main body frame and a shutter that is opened and closed by a shutter plate that rotatably supports an opening on one end side of the main body frame.
  • the main body frame has an upper end bent portion that protrudes downward from the edge of the upper edge of the opening on the one end side, and a lower end that protrudes upward from the edge of the lower edge of the opening on the one end side.
  • a bent portion and a front portion protruding from the inner side surface of the left and right edges of the opening on the one end side toward the center of the opening on the one end side.
  • the shutter plate has a shutter surface that closes the opening, and an upper end that is bent in a crank shape so that the upper end is located on the other end side of the main body frame with respect to the shutter surface in a state where the shutter surface closes the opening,
  • the width is smaller than the distance between the left and right edges of the main body frame and larger than the distance between the front surface portions.
  • the upper end portion is disposed on the other end side of the main body frame with respect to the upper end bend portion, and the lower end portion of the shutter plate is adjacent to the other end side of the main body frame. So as to overlap the bent portion at the lower end.
  • the ventilating fan according to the present invention has the effect of suppressing the occurrence of malfunctions when opening and closing the shutter, while reducing the inflow of outdoor air and the entry of light from the gap between the shutter plate and the main body frame.
  • FIG. 1 The fragmentary sectional view of the ventilation fan concerning Embodiment 1 of the present invention.
  • 1 is a perspective view of a ventilation fan according to Embodiment 1.
  • FIG. The figure which shows the structure of the shutter of the ventilation fan which concerns on Embodiment 1.
  • FIG. Sectional drawing which shows the state which the shutter board of the ventilation fan which concerns on Embodiment 1 closed the opening Sectional drawing in the upper part of the main body frame of the ventilation fan which concerns on Embodiment 1 Sectional drawing in the center part of the up-down direction of the main body frame of the ventilation fan which concerns on Embodiment 1.
  • Sectional drawing in the lower part of the main body frame of the ventilation fan which concerns on Embodiment 1 The perspective view which shows the one end side of the main body frame of the ventilation fan which concerns on Embodiment 1.
  • FIG. The perspective view of the shutter plate of the ventilation fan which concerns on Embodiment 1.
  • FIG. 1 is a partial cross-sectional view of a ventilation fan according to Embodiment 1 of the present invention.
  • FIG. 2 is a perspective view of the ventilation fan according to the first embodiment.
  • the ventilation fan 1 includes a rectangular tube-shaped main body frame 11 that houses an electric motor 14, an orifice 12 that houses a fan 15, and an oil receiver 13 attached to the orifice 12.
  • the fan 15 is attached to the rotating shaft of the electric motor 14.
  • the orifice 12 is made of synthetic resin and forms a wind tunnel.
  • the orifice 12 is detachable from the main body frame 11.
  • a shutter 16 that opens and closes an opening 111 on one end side of the main body frame 11 is provided outside the main body frame 11.
  • the shutter 16 is opened and closed by a shutter plate 161 that rotatably supports an opening 111 on one end side of the body frame 11.
  • One end of the main body frame 11 is an end on the side indicated by the arrow A in FIG. 1, and the other end of the main body frame 11 is an end on the opposite side to the direction indicated by the arrow A in FIG.
  • the ventilation fan 1 is installed in a wall hole 31 formed in the wall 30 and rotates the fan 15 to form a flow between the indoor air and the outdoor air, thereby ventilating the room.
  • the orifice 12 may have a structure to which dust collecting parts such as a filter and a mesh guard are attached. Orifice 12 may be integral with oil receiver 13.
  • FIG. 3 is a diagram showing a configuration of the shutter of the ventilation fan according to the first embodiment.
  • the shutter 16 includes a shutter plate 161 that is supported by the main body frame 11 so as to be rotatable up and down, and a shutter connecting rod 22 that couples the plurality of shutter plates 161 and interlocks the vertical rotation.
  • the shutter plate 161 rotates around the rotation shaft 21 between the open position and the closed position.
  • the shutter plate 161 is rotated upward around the rotation shaft 21 by the wind pressure of the ventilation flow generated by the fan 15 to be turned sideways to open the air path.
  • the shutter plate 161 is self-weighted when the fan 15 stops. Rotate downward about the rotation axis 21 and turn downward to close the air passage.
  • FIG. 4 is a cross-sectional view showing a state where the shutter plate of the ventilation fan according to Embodiment 1 blocks the opening.
  • FIG. 4 shows a cross section of the state in which the shutter plate 161 closes the opening 111 as viewed from above and below.
  • the shutter plate 161 is smaller than the interval W1 between the end portions 11e of the side frame portion 11a which is the left and right edges of the main body frame 11, and the front surface portion 11b protruding from the inner side surface 11g of the side frame portion 11a toward the center side of the opening 111.
  • the width W3 is larger than the interval W2.
  • the side end portion 16a of the shutter plate 161 is overlapped in parallel with the front surface portion 11b protruding from the inner side surface 11g of the side frame 11a of the main body frame 11. Inflow of outdoor air and intrusion of light from the gap between the main body frame 11 and the shutter plate 161 are less likely to occur.
  • FIG. 5 is a cross-sectional view of the upper part of the main body frame of the ventilation fan according to the first embodiment.
  • FIG. 6 is a cross-sectional view of the center frame of the main body frame of the ventilation fan according to Embodiment 1 in the vertical direction.
  • FIG. 7 is a cross-sectional view of the lower part of the main body frame of the ventilation fan according to the first embodiment.
  • the main body frame 11 includes an upper end bent portion 11c that protrudes downward from an end of the upper edge of the opening 111, a lower end bent portion 11f that protrudes upward from an end of the lower edge of the opening 111, It has a front surface portion 11 b that protrudes from the inner side surface 11 g of the side frame portion 11 a that is the left and right edges of the opening 111 to the center side of the opening 111.
  • the shutter plate 161 is bent in a crank shape so that the shutter surface 161a that closes the opening 111 and the upper end 161b is located on the other end side of the main body frame 11 with respect to the shutter surface 161a in a state where the shutter surface 161a closes the opening 111.
  • the upper end portion 16b and the lower end portion 16c bent to the other end side of the main body frame 11 so that the lower end 161c is located on the other end side of the main body frame 11 when the shutter surface 161a closes the opening.
  • the shutter plate 161 has an upper end portion 16 b bent in a crank shape.
  • the upper end portion 16 b of the shutter plate 161 is more than the upper end bent portion 11 c of the main body frame 11. It enters into the other end side of the main body frame 11. That is, in a state where the shutter plate 161 closes the opening 111, the upper end portion 16b is disposed on the other end side of the main body frame 11 with respect to the upper end portion bent portion 11c. Therefore, the inflow of outdoor air and the entry of light from the gap between the upper end bent portion 11c of the main body frame 11 and the shutter plate 161 are less likely to occur.
  • the upper end portion 16b of the shutter plate enters the indoor side from the lower end portion 16c of another shutter plate 161 positioned above. That is, in the state where the plurality of shutter plates 161 arranged in the vertical direction block the opening 111, the upper end portion 16b of the lower shutter plate 161 is closer to the lower end portion 16c of the upper shutter plate 161 than the lower end portion 16c of the upper shutter plate 161. Arranged on the other end side. Therefore, inflow of outdoor air and intrusion of light from the gap between the shutter plates 161 are less likely to occur.
  • the main body frame 11 is provided with a rib 11d at a lower end bent portion 11f.
  • the lower end portion 16c of the shutter plate 161 has a rib shape.
  • the lower end portion 16c has a lower end bent portion so that the lower end bent portion 11f is adjacent to the other end side of the main body frame 11. It overlaps with 11f.
  • the lower end portion 16c of the shutter plate 161 is bent toward the other end side of the main body frame 11 so that the lower end 161c is positioned on the other end side of the main body frame 11 in a state where the shutter surface 161a closes the opening 111.
  • an inclined surface 162 that forms an obtuse angle with the shutter surface 161a.
  • the lower end bent portion 11 f includes a rib 11 d that protrudes on the opposite side to the other end side of the main body frame 11. Therefore, inflow of outdoor air and intrusion of light from the gap between the lower end bent portion 11f of the main body frame 11 and the shutter plate 161 are difficult to occur. Since the lower end portion 16c of the shutter plate 161 has a shape including an inclined surface 162 having an obtuse angle ⁇ with respect to the shutter plate 161, it is difficult for stagnation to occur and the pressure loss of the air passage is unlikely to occur.
  • FIG. 8 is a perspective view showing one end side of the main body frame of the ventilation fan according to the first embodiment.
  • the main body frame 11 of the ventilation fan 1 has a front surface portion 11b protruding from the inner side surface 11g of the side frame 11a of the main body frame 11, and between the end surface of the side frame 11a and the front surface portion 11b. Due to the difference in level, the shutter plate 161 does not protrude laterally from the main body frame 11 when the shutter plate 161 is in the downwardly closed position.
  • the shutter plate 161 protrudes laterally from the main body frame 11, and malfunctions such as the shutter 16 not opening or closing due to interference between the shutter plate 161 and the inner surface of the wall hole 31 at the time of attachment occur. Can be prevented.
  • the step between the front surface portion 11b and the end surface 11e is made larger than the thickness of the shutter plate 161, so that when the ventilation fan 1 is placed with the shutter 16 down, the shutter plate 161 is loaded and rotated. It is possible to prevent the shaft 21 from being damaged.
  • FIG. 9 is a perspective view of the shutter plate of the ventilation fan according to the first embodiment.
  • ribs 16 d are provided at both ends of the rear surface of the shutter plate 161.
  • the rib 16d is provided on the shutter surface along the side frame portion 11a which is the left and right edges of the opening of the main body frame 11 in a state where the shutter plate 161 closes the opening. Accordingly, the shutter plate 161 has a structure that easily receives the ventilation flow, and the shutter 16 is easily opened by the wind pressure of the ventilation flow.
  • the main body frame 11 includes the upper end bent portion 11c that protrudes downward from the edge of the upper edge of the opening 111, and the upward direction from the edge of the lower edge of the opening 111.
  • a bottom end bent portion 11f that projects to the center of the opening 111 from the inner side surface 11g of the side frame portion 11a that is the left and right edges of the opening 111.
  • the shutter plate 161 includes a shutter surface 161a that closes the opening 111, and an upper end portion that is bent in a crank shape so that the upper end 161b is positioned on the other end side of the main body frame 11 in a state where the shutter surface 161a closes the opening 111.
  • the shutter plate 161 which is smaller than the interval between the side frame portions 11a which are the left and right edges of the main body frame 11, and larger than the interval between the front surface portions 11b.
  • the upper end portion 16b is disposed on the other end side of the main body frame 11 with respect to the upper end portion bent portion 11c, and the lower end portion 16c of the shutter plate 161 has the lower end portion bent portion 11f. It overlaps with the lower end bent portion 11f so as to be adjacent to the other end side of the main body frame 11. Therefore, inflow of outdoor air from the gap between the shutter plate 161 and the main body frame 11 and non-open intrusion can be reduced.
  • the ventilating fan 1 that opens and closes the shutter plate 161 depending on the presence or absence of the wind pressure of the ventilation flow by the fan 15 has been described, but the shutter 16 is opened and closed by a connecting rod connected to a manual opening and closing device. It may be a ventilation fan characterized by that. Further, it may be a ventilation fan that is connected to an electric opening / closing device by a connecting rod, and the shutter 16 is opened / closed by the opening / closing device. Furthermore, the present invention can be similarly applied to a ventilation fan in which the shutter 16 is composed of a single shutter plate.
  • the configuration described in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and can be combined with other configurations without departing from the gist of the present invention. It is also possible to omit or change the part.
  • Ventilation fan 11 Body frame, 11a Side frame, 11b Front part, 11c Upper end bent part, 11d Rib, 11e End face, 11f Lower end bent part, 11g Inner side face, 12 Orifice, 13 Oil receiver, 14 Electric motor, 15 Fan , 16 shutter, 16a side edge, 16b upper edge, 16c lower edge, 111 opening, 161 shutter plate, 161a shutter surface, 161b upper edge, 161c lower edge, 162 inclined surface.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Abstract

La présente invention concerne un ventilateur soufflant (1), dans lequel : un cadre de corps (11) comporte une partie incurvée d'extrémité supérieure faisant saillie vers le bas à partir de la partie d'extrémité de bord supérieur d'une ouverture (111) sur un côté extrémité du cadre de corps, une partie incurvée d'extrémité inférieure faisant saillie vers le haut à partir de la partie d'extrémité de bord inférieur de l'ouverture (111), et des parties de surface avant (11b) faisant saillie vers le centre de l'ouverture (111) à partir des surfaces intérieures de bord gauche et droit de l'ouverture (111) ; un volet d'obturation (161) comporte une surface d'obturation permettant de fermer l'ouverture (111), et une partie d'extrémité supérieure incurvée en forme de manivelle, de sorte que, une fois que la surface d'obturateur ferme l'ouverture (111), l'extrémité supérieure soit positionnée plus près de l'autre extrémité du cadre de corps que la surface d'obturateur ; la largeur du panneau d'obturateur est inférieure à l'espace entre les bords gauche et droit du cadre de corps (11) et supérieure à l'espace entre les parties de surface avant (11b) ; et, une fois que le panneau d'obturation (161) a fermé l'ouverture (111), la partie d'extrémité supérieure est disposée plus près de l'autre extrémité du cadre de corps (11) que la partie incurvée d'extrémité supérieure et la partie d'extrémité inférieure du panneau d'obturateur (161) chevauche la partie incurvée d'extrémité inférieure.
PCT/JP2015/072132 2015-08-04 2015-08-04 Ventilateur soufflant WO2017022087A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2017532307A JP6434151B2 (ja) 2015-08-04 2015-08-04 換気扇
MYPI2018700361A MY182319A (en) 2015-08-04 2015-08-04 Ventilation fan
PCT/JP2015/072132 WO2017022087A1 (fr) 2015-08-04 2015-08-04 Ventilateur soufflant
CN201580081122.0A CN107709885B (zh) 2015-08-04 2015-08-04 换气扇

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/072132 WO2017022087A1 (fr) 2015-08-04 2015-08-04 Ventilateur soufflant

Publications (1)

Publication Number Publication Date
WO2017022087A1 true WO2017022087A1 (fr) 2017-02-09

Family

ID=57942583

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/072132 WO2017022087A1 (fr) 2015-08-04 2015-08-04 Ventilateur soufflant

Country Status (4)

Country Link
JP (1) JP6434151B2 (fr)
CN (1) CN107709885B (fr)
MY (1) MY182319A (fr)
WO (1) WO2017022087A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107559959A (zh) * 2017-08-30 2018-01-09 青岛海尔空调器有限总公司 立式空调室内机、导风装置及其组装方法
WO2018235129A1 (fr) * 2017-06-19 2018-12-27 三菱電機株式会社 Ventilateur d'aération

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55149128U (fr) * 1979-12-19 1980-10-27
JPS5795523U (fr) * 1981-11-19 1982-06-12
US4779518A (en) * 1983-01-06 1988-10-25 Leslie-Locke, Inc. Whole house ventilating method, system and appartus
JPS63188430U (fr) * 1987-05-25 1988-12-02
US6149698A (en) * 1996-10-07 2000-11-21 Uehara; Kiyomasa Apparatus for installing a ventilation fan
JP2005016918A (ja) * 2003-06-30 2005-01-20 Max Co Ltd シャッタ装置およびそれを有する空調装置、換気装置、並びに住宅構造

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57203226U (fr) * 1981-06-23 1982-12-24
CN2919841Y (zh) * 2006-07-05 2007-07-11 河南工业大学 气密软体仓多功能气密出粮口
CN200989146Y (zh) * 2006-12-20 2007-12-12 唐伟建 电动的单层n型玻璃叶片的百叶窗
CN201401114Y (zh) * 2009-03-05 2010-02-10 金镀工业股份有限公司 气密门的结构
CN201650813U (zh) * 2010-03-09 2010-11-24 美的集团有限公司 一种百叶窗换气扇
CN102979433B (zh) * 2012-11-21 2014-08-06 苏州江南航天机电工业有限公司 一种换气扇孔口门
CN204225723U (zh) * 2014-11-03 2015-03-25 宁波欧适节能科技有限公司 一种可相互堆栈装设的窗体叶片型材
CN204191059U (zh) * 2014-11-11 2015-03-04 艾默生网络能源有限公司 风口栅搁

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55149128U (fr) * 1979-12-19 1980-10-27
JPS5795523U (fr) * 1981-11-19 1982-06-12
US4779518A (en) * 1983-01-06 1988-10-25 Leslie-Locke, Inc. Whole house ventilating method, system and appartus
JPS63188430U (fr) * 1987-05-25 1988-12-02
US6149698A (en) * 1996-10-07 2000-11-21 Uehara; Kiyomasa Apparatus for installing a ventilation fan
JP2005016918A (ja) * 2003-06-30 2005-01-20 Max Co Ltd シャッタ装置およびそれを有する空調装置、換気装置、並びに住宅構造

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018235129A1 (fr) * 2017-06-19 2018-12-27 三菱電機株式会社 Ventilateur d'aération
CN107559959A (zh) * 2017-08-30 2018-01-09 青岛海尔空调器有限总公司 立式空调室内机、导风装置及其组装方法
WO2019042325A1 (fr) * 2017-08-30 2019-03-07 青岛海尔空调器有限总公司 Unité intérieure de climatiseur de sol, dispositif de guidage d'air et procédé d'assemblage associé
CN107559959B (zh) * 2017-08-30 2020-08-04 青岛海尔空调器有限总公司 立式空调室内机、导风装置及其组装方法

Also Published As

Publication number Publication date
CN107709885A (zh) 2018-02-16
JP6434151B2 (ja) 2018-12-05
MY182319A (en) 2021-01-19
CN107709885B (zh) 2020-07-10
JPWO2017022087A1 (ja) 2017-11-02

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