WO2012130100A1 - 换气扇 - Google Patents

换气扇 Download PDF

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Publication number
WO2012130100A1
WO2012130100A1 PCT/CN2012/072908 CN2012072908W WO2012130100A1 WO 2012130100 A1 WO2012130100 A1 WO 2012130100A1 CN 2012072908 W CN2012072908 W CN 2012072908W WO 2012130100 A1 WO2012130100 A1 WO 2012130100A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
air outlet
joint
ventilating fan
ventilating
Prior art date
Application number
PCT/CN2012/072908
Other languages
English (en)
French (fr)
Inventor
袁洪坚
曾广民
田亮
铃木康浩
Original Assignee
广东松下环境系统有限公司
松下电器产业株式会社
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 广东松下环境系统有限公司, 松下电器产业株式会社 filed Critical 广东松下环境系统有限公司
Priority to US14/000,755 priority Critical patent/US9709066B2/en
Priority to CN201280010633.XA priority patent/CN103403358B/zh
Publication of WO2012130100A1 publication Critical patent/WO2012130100A1/zh
Priority to HK14100467.8A priority patent/HK1187663A1/zh

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F04D29/4246—Fan casings comprising more than one outlet

Definitions

  • the present invention relates to a ventilating fan, and more particularly to a thin ventilating fan mounted on an indoor ceiling. Background technique
  • FIG. 1 is a schematic diagram of a known technique.
  • a ventilating fan 10 includes a ventilating fan body provided with a blade, a motor, a frame 11, and the like, a joint 13 fixed to the frame 11 by providing a card slot 12, and an electrical component box 14 disposed on a top surface of the frame 11, the frame 11
  • One side of the ventilation outlet 15 is provided, and one end of the joint 13 connected to the ventilation outlet 15 is a fixing portion 16, and the other end connected to the duct is a tail portion 17, and the fixing portion 16 and the tail portion passing through the joint 13 17
  • the indoor and outdoor phases are connected to perform ventilation.
  • the ventilation air outlet 15 is provided on the side of the frame 11 of the ventilating fan 10. To ensure the air volume, it is necessary to ensure that the ventilation air outlet 15 is sufficiently large.
  • the ceiling is located between the ventilation air outlet 15 and the flange 19, so that the joint 13 attached to the ventilation air outlet 15 is prevented from interfering with the ceiling, and the lowest point of the ventilation air outlet 15 and the flange 19 are secured to a certain distance.
  • the ventilating fan must be set to be thicker. At present, the distance between the ceiling and the roof installed by people is different. When the thickness of the ventilation fan is large and the distance between the ceiling and the roof is small, the prior art ventilation fan may not be installed.
  • a ventilating fan provided by the present invention includes a ventilating fan body, a joint, and an electrical component box provided with a fan blade, a motor, a frame, and the like, and the ventilating air outlet includes a joint arrangement.
  • the ridge structure is such that an upper portion of the fixing portion of the joint surrounds the top surface air outlet and forms a structure that is gradually inclined upward, and the height thereof is less than or equal to the height of the electrical component box.
  • the raised structure is a resin material.
  • the top air outlet is provided with a latching structure integrally formed with the frame and engaged with the joint on the side of the electrical component box.
  • the latching structure is a flap which is disposed on the side of the top air outlet and is engaged with the joint, and the upper end of the flap is a first inclined surface, and the lower end is a first vertical surface perpendicular to the frame.
  • the upper portion of the fixing portion of the joint is disposed on the ventilation air passage side of the ridge structure to match the flap, and the upper end is a second inclined surface, and the lower end is a second vertical surface perpendicular to the frame.
  • the top surface of the frame is provided with reinforcing ribs.
  • the fixing portion of the joint has a shape to be fitted with the frame, and includes a horizontal portion surrounding the top air outlet and a vertical portion surrounding the side air outlet, and a lower end of the vertical portion is provided with a protrusion inserted into the frame flange, and a vertical portion
  • the upper portion is provided with a mounting portion for fixing the joint fixing frame to the frame.
  • the present invention has an advantage in that the height of the ventilating fan is reduced while ensuring the air volume, so that it can be adapted to the installation of various ceilings, and the cost is saved while the joint mounting is simplified.
  • Figure 1 is a schematic view of a known technique
  • Figure 2 is a general schematic view of the present invention
  • Figure 3 is a schematic cross-sectional view of the ventilating joint of the present invention.
  • FIG. 4 is a schematic view of the ventilation air outlet of the present invention.
  • FIG. 5A and FIG. 5B are schematic perspective views of two different angles of the ventilation joint of the present invention
  • FIG. 6 is a schematic cross-sectional view showing the installation process of the ventilation joint of the present invention
  • FIG. 2 is a general schematic view of the present invention
  • Figure 3 is a schematic cross-sectional view of the ventilating joint of the present invention.
  • the ventilating fan 10 includes a ventilating fan body including a blade, a motor, a frame 100, and the like, a joint 200, and an electrical component box 300.
  • 4 is a schematic view of a ventilation vent of the present invention
  • FIGS. 5A and 5B are perspective views of two different angles of the ventilating joint of the present invention.
  • the ventilation air outlet 110 includes a top air outlet 111 provided on the top surface 101 of the ventilating fan frame 100 and a side air outlet 112 provided on the side surface 102 of the ventilating fan frame 100.
  • the top air outlet 111 and the side air outlet 112 together form a ventilation air outlet 110 of the ventilation fan, so that the total area of the ventilation air outlet 110 can remain unchanged or can be expanded even if the area of the side air outlet 112 is reduced.
  • One end of the joint 200 connected to the ventilation air outlet 110 is a fixing portion 220, and the other end connected to the pipe on the downstream side of the ventilation air outlet 110 is a tail portion 210.
  • the fixed portion 220 is an approximate reverse L-shape that is fixed around the periphery of the ventilation vent 110.
  • the fixing portion 220 has a shape in which the fitting frame 100 is mounted, and includes a horizontal portion 221 surrounding the periphery of the top surface air outlet 111 and a vertical portion 222 surrounding the side air outlet opening 112.
  • the lower end of the vertical portion 222 is formed with a joint fixing frame 225.
  • the joint fixing frame 225 is provided with a protruding piece 223 inserted into the flange 106 of the frame 100, and the upper part of the vertical portion 222 is provided with a mounting portion 224 for fixing the fixing portion 220 of the joint 200 to the frame 100.
  • the close fit of the joint fixing frame 225 and the frame 100 is important.
  • the face-to-face contact is easily adhered tightly, but it is difficult to make the joint 200 closely conform to the corner line 104 formed by the intersection of the frame top surface 101 and the side surface 102. Therefore, the tab 223 of the insertion frame 100 flange 106 provided at the lower end of the vertical portion 222 is first inserted into the opening 105 of the flange 106, and then the vertical portion 222 is fixed to the screw hole 107 at the upper portion of the frame 100 through the mounting portion 224.
  • the joint fixing frame 225 is fixed to the frame 100 by screws, so that the corner line 104 formed by the intersection of the top surface 101 of the top surface air outlet 111 and the side surface 102 provided with the side air outlet 112 can also be connected with the joint.
  • the fixing frame 225 is closely fitted. This allows the top air outlet 111 and the side air outlet 112 to be reliably connected to the joint 200, thereby preventing air leakage.
  • the screw hole 107 is preferably provided at the outer side of the side air outlet 112 near the end of the side air outlet 112, the corner line 104, and the corner portion of the end portion.
  • the fixing portion 220 of the joint 200 includes an upper portion of the horizontal portion 221 surrounding the top surface air outlet 111, and the air blowing in the direction of the tail portion 210 in cooperation with the top surface air outlet 111 forms a ridge structure 211 which is gradually inclined upward, and the height of the ridge structure 211 HI is less than or equal to the height of the electrical component box 300 Degree H2.
  • the air is ventilated, the wind blown from the blade is simultaneously blown toward the top air outlet 111 and the side air outlet 112. Since the ridge structure 211 forms an inclined slope, the guiding action of the inclined slope causes the wind to be blown toward the top air outlet 111.
  • the ridge structure 211 is smoothly blown toward the joint tail portion 210 and discharged to the outside through the duct without turbulence. Since the ventilating fan frame top surface 101 itself is provided with the electrical component box 300, the thickness of the ridge structure 211 is repeated with the height of the electrical component box 300, and the thickness of the ventilating fan is not additionally increased. Thus, since the side air outlet 112 becomes smaller, the height of the ventilating fan frame 100 can be set smaller, that is, the frame 100 as a whole is thinned. In this way, even if the distance between the ceiling and the roof is small, there is enough space to install the ventilation fan. In addition, since the ridge structure is provided on the joint of the resin material and is not provided to the frame, the metal material can be saved.
  • a rib 103 projecting upwardly from the top surface 101 to strengthen the strength of the frame 100, improving product safety and durability.
  • the reinforcing ribs 103 can be set to any shape and disposed at any position on the top surface 101 of the frame 100, for example, in the electrical component box 300, the elongated reinforcing ribs 103 are disposed on the side of the joint 200, and the reinforcing ribs are provided. 103 strengthens the strength of the top surface 101 of the frame 100 without affecting the component settings of the top surface 101 of the frame 100.
  • Fig. 6 is a schematic cross-sectional view showing the installation process of the ventilating joint of the present invention.
  • the top air outlet 111 is provided with a card structure which is formed integrally with the frame 100 and engaged with the joint 200 on the side of the electrical component box 300.
  • the latching structure is a flap 120 that is disposed on the side of the electrical outlet box 300 on the side of the top air outlet 111 and engages with the joint 200.
  • the upper end of the flap 120 is a first inclined surface 127, and the lower end is a first vertical perpendicular to the frame 100. Face 128.
  • the joint fixing portion 220 is provided at a position in contact with the flap 120, and the upper portion of the joint fixing portion 220 is disposed on the ventilation air passage side of the ridge structure 211 (inside of the ridge structure 211).
  • the second inclined surface 227 has a structure in which the lower end is a second vertical surface 228 perpendicular to the frame 100. Since the frame 100 is integrally formed with the card structure 120, there is no need to additionally set the card position as in the prior art.
  • the card structure 120 is disposed on the side of the top air outlet 111 on the side of the electrical component box 300. After the connector 200 is installed, the connector 200 can completely cover the top air outlet 111.
  • the joint 200 is first fixed to the ceiling by screws, and then the ventilating fan 10 is aligned from the bottom to the top, that is, the flap 120 and the joint 200 formed integrally with the frame 100 are aligned with each other.
  • the upper end of the flap 120 is a first inclined surface 127.
  • the upper lower end of the joint fixing portion 220 is a second vertical surface 228 perpendicular to the frame 100, and the two vertical surfaces cooperate to prevent the joint 200 from being outwardly opposite to the body. Move so that the mounting of the joint 200 is stronger.

Description

换气扇
技术领域
本发明是关于一种换气扇， 特别是关于一种安装于室内天花板上的薄 型换气扇。 背景技术
图 1为公知技术示意图。 一种换气扇 10， 包括设有扇叶、 马达、 框架 11等的换气扇本体、 通过设置卡位 12固定在框架 11上的接头 13、 设置 在框架 11顶面的电气部品盒 14， 所述框架 11一侧设置换气出风口 15， 所述接头 13与所述换气出风口 15相连接的一端为固定部 16，与管道相连 接的另一端为尾部 17， 通过接头 13的固定部 16和尾部 17使室内外相连 通从而进行换气。
像上述的现有技术，在换气扇 10框架 11一侧设置换气出风口 15， 为 确保风量， 必须确保换气出风口 15有足够大小。 天花板位于换气出风口 15与法兰 19之间， 因此为防止安装于换气出风口 15上的接头 13与天花 板干涉， 换气出风口 15最低点与法兰 19要确保有一定距离， 这样换气扇 就必须设置成较厚。 现时人们安装的天花板与屋顶之间的距离不一， 当换 气扇厚度较大， 而室内天花板与屋顶距离较小时， 先有技术的换气扇有可 能不能安装。
而且， 像上述的现有技术， 由于还要另外设置卡位安装接头， 所以需 要另外制作新模具， 并经过碰悍和喷粉等工艺， 其成本较高； 而且， 当将 其固定到换气扇框架上时， 存在浪费工时等课题。 发明内容
本发明的目的在于提供一种新的薄型换气扇， 不但可以在确保风量的 同时降低了换气扇厚度。
为实现上述目的， 本发明提供的一种换气扇， 包括设有扇叶、 马达、 框架等的换气扇本体、 接头、 电气部品盒， 换气出风口包括连在一起的设 所述的隆起结构为所述接头的固定部的上部包围所述顶面出风口并 且形成逐渐向上倾斜的结构， 其高度小于或等于电气部品盒的高度。
所述的隆起结构为树脂材料。
所述的顶面出风口靠电气部品盒侧设有与框架一体成型、与接头相卡 合的卡位结构。
所述卡位结构是在顶面出风口靠电气部品盒侧设置的与接头相卡合 的折片， 该折片上端为第一倾斜面， 下端为与框架垂直的第一垂直面。
所述的接头的固定部上部在所述隆起结构的换气风路侧设置与所述 折片相配合，上端为第二倾斜面，下端为与框架垂直的第二垂直面的结构。
所述框架顶面设有加强筋。
所述的接头的固定部具有配合框架安装的形状， 包括包围顶面出风口 周围的水平部和包围侧面出风口周围的垂直部， 垂直部的下端设有插入框 架法兰的突片， 垂直部的上部设有把接头固定框固定在框架的安装部。
本发明的优点在于在确保风量的同时降低了换气扇的高度， 使之能够 适应多种天花板的安装， 且在接头安装简单化的同时节省成本。 附图说明
图 1为公知技术示意图；
图 2为本发明的总示意图；
图 3为本发明的换气接头的剖面示意图；
图 4为本发明的换气出风口的示意图；
图 5A、 图 5B为本发明的换气接头的两个不同角度的立体示意图； 图 6为本发明的换气接头的安装过程剖视示意图； 具体实施方式
图 2为本发明的总示意图， 图 3为本发明的换气接头的剖面示意图。 如图所示， 换气扇 10， 包括设有扇叶、 马达、 框架 100等的换气扇本体、 接头 200、 电气部品盒 300。 图 4为本发明的换气出风口的示意图； 图 5A、 图 5B为本发明的换气 接头的两个不同角度的立体示意图。 如图 3-图 5B所示， 换气出风口 110 包括连在一起的设于换气扇框架 100顶面 101的顶面出风口 111及设于换 气扇框架 100侧面 102的侧面出风口 112。 顶面出风口 111和侧面出风口 112共同形成换气扇的换气出风口 110， 这样在侧面出风口 112面积缩小 的情况下， 换气出风口 110总面积还可以保持不变或者可以扩展的更大。 接头 200与换气出风口 110相连接的一端为固定部 220，换气出风口 110 下流侧、 与管道相连接的另一端为尾部 210。 如图所示， 固定部 220为一 个近似的反向 L型， 围绕固定在换气出风口 110的周边。 也就是说， 固定 部 220具有配合框架 100安装的形状， 包括包围顶面出风口 111周围的水 平部 221和包围侧面出风口 112周围的垂直部 222， 垂直部 222的下端形 成有接头固定框 225， 接头固定框 225上设有插入框架 100法兰 106的突 片 223， 垂直部 222的上部设有把接头 200固定部 220固定在框架 100的 安装部 224。
因为接头 200要和顶面出风口 111和侧面出风口 112连接， 所以接头 固定框 225和框架 100的紧密贴合很重要。面和面的接触很容易做到紧密 贴合， 但是使接头 200与包括框架顶面 101和侧面 102相交形成的边角线 104部分紧贴很困难。 因此， 先把垂直部 222的下端设置的插入框架 100 法兰 106的突片 223插入法兰 106上的开孔 105， 然后通过安装部 224将 垂直部 222固定于框架 100上部的螺钉孔 107上， 最后通过螺钉把接头固 定框 225固定在框架 100上， 这样设有顶面出风口 111的顶面 101和设有 侧面出风口 112的侧面 102相交所形成的边角线 104部分也能够与接头固 定框 225紧密贴合了。 这样可以使顶面出风口 111和侧面出风口 112与接 头 200切实连接， 从而防止漏风。
为使接头固定框 225紧密贴合， 螺钉孔 107设置于侧面出风口 112外 侧靠近侧面出风口 112的端部、边角线 104和上述端部围成的角部位置为 最佳。
在接头 200的固定部 220包括水平部 221的上部包围顶面出风口 111， 并且配合该顶面出风口 111吹向尾部 210方向的出风形成逐渐向上倾斜的 隆起结构 211， 隆起结构 211的高度 HI小于或等于电气部品盒 300的高 度 H2。 这样换气时， 从扇叶吹出的风同时吹向所述顶面出风口 111 和侧 面出风口 112， 由于隆起结构 211形成倾斜斜面， 倾斜斜面的导向作用使 吹向顶面出风口 111的风沿着隆起结构 211顺畅地吹向接头尾部 210再通 过管道排出室外而不产生乱流。 由于换气扇框架顶面 101本身设有电气部 品盒 300， 隆起结构 211的厚度与所述电气部品盒 300的高度重复， 并不 会额外增加换气扇的厚度。 这样由于侧面出风口 112变小， 因此换气扇框 架 100高度就可以设置成较小， 即框架 100整体变薄。 这样即使天花板与 屋顶距离较小， 也有足够的空间安装换气扇。 另外， 由于隆起结构设置于 树脂材料的接头而不设置于框架， 因此可以节省金属材料。
还在上述框架 100顶面 101设置向上突出于顶面 101的加强筋 103加 强框架 100强度， 提高产品使用安全性和耐用性。 只要不影响产品性能， 所述的加强筋 103可以设为任何形状及设置于框架 100顶面 101任何位置， 如在电气部品盒 300靠接头 200侧设置长条状的加强筋 103， 上述加强筋 103在不影响框架 100顶面 101的部品设置的前提下加强了框架 100顶面 101的强度。
图 6为本发明的换气接头的安装过程剖视示意图。 如图所示， 顶面出 风口 111靠电气部品盒 300侧设有与框架 100—体成型、与接头 200相卡 合的卡位结构。卡位结构是在顶面出风口 111靠电气部品盒 300侧设置的 与接头 200相卡合的折片 120， 折片 120上端为第一倾斜面 127， 下端为 与框架 100垂直的第一垂直面 128。 接头固定部 220与上述折片 120接触 处设有与该折片 120相配合的结构，即接头固定部 220上部在隆起结构 211 的换气风路侧 （隆起结构 211的里面） 设置上端为第二倾斜面 227， 下端 为与框架 100垂直的第二垂直面 228的结构。由于框架 100与卡位结构 120 为一体形成， 就不用像现有技术那样需要另外设置卡位。 卡位结构 120设 于顶面出风口 111靠电气部品盒 300侧， 安装接头 200后， 接头 200就可 以完全罩住顶面出风口 111。
安装换气扇 10到天花板时， 先用螺钉将接头 200固定于天花板上， 然后将换气扇 10由下向上进行对准，即将与框架 100—体成形的折片 120 与接头 200相互对准卡合， 由于上述的折片 120上端为第一倾斜面 127， 当由下向上将上述折片 120卡入接头固定部 220时， 第一倾斜面 127具有 引导作用， 使折片 120可以简单、 顺畅卡入接头固定部 220内； 从而最终 将整个机体安装并固定在天花板上。 安装后， 由于折片 120下端为与框架 100垂直的第一垂直面 128， 接头固定部 220上部下端为与框架 100垂直 的第二垂直面 228， 两垂直面相配合， 防止接头 200相对本体向外移动， 从而使接头 200的安装更牢固。

Claims

权 利 要 求
1、 一种换气扇， 包括设有扇叶、 马达、 框架等的换气扇本体、 接头、 电气部品盒， 其特征在于： 换气出风口包括连在一起的设于换气扇框架顶 面的顶面出风口及设于换气扇框架侧面的侧面出风口， 且接头设有配合所 述换气出风口的隆起结构。
2、 根据权利要求 1所述的换气扇， 其特征在于： 所述的隆起结构为 所述接头的固定部的上部包围所述顶面出风口并且形成逐渐向上倾斜的 结构， 其高度小于或等于电气部品盒的高度。
3、 根据权利要求 1所述的换气扇， 其特征在于： 所述的隆起结构为 树脂材料。
4、 根据权利要求 1所述的换气扇， 其特征在于： 所述的顶面出风口 靠电气部品盒侧设有与框架一体成型、 与接头相卡合的卡位结构。
5、 根据权利要求 4所述的换气扇， 其特征在于： 所述卡位结构是在 顶面出风口靠电气部品盒侧设置的与接头相卡合的折片， 该折片上端为第 一倾斜面， 下端为与框架垂直的第一垂直面。
6、 根据权利要求 5所述的换气扇， 其特征在于： 所述的接头的固定 部上部在所述隆起结构的换气风路侧设置与所述折片相配合， 上端为第二 倾斜面， 下端为与框架垂直的第二垂直面的结构。
7、 根据权利要求 1所述的换气扇， 其特征在于： 所述框架顶面设有 加强筋。
8、 根据权利要求 1所述的换气扇， 其特征在于： 所述的接头的固定 部具有配合框架安装的形状， 包括包围顶面出风口周围的水平部和包围侧 面出风口周围的垂直部， 垂直部的下端设有插入框架法兰的突片， 垂直部 的上部设有把接头固定框固定在框架的安装部。
PCT/CN2012/072908 2011-03-31 2012-03-23 换气扇 WO2012130100A1 (zh)

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US14/000,755 US9709066B2 (en) 2011-03-31 2012-03-23 Ventilating fan
CN201280010633.XA CN103403358B (zh) 2011-03-31 2012-03-23 换气扇
HK14100467.8A HK1187663A1 (zh) 2011-03-31 2014-01-16 換氣扇

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CN2011100895287A CN102734190A (zh) 2011-03-31 2011-03-31 换气扇

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TWI542824B (zh) * 2015-03-19 2016-07-21 建準電機工業股份有限公司 具有通風扇之燈具
CN212901853U (zh) * 2020-07-31 2021-04-06 广东松下环境系统有限公司 换气装置
CN215412327U (zh) * 2021-06-17 2022-01-04 广东松下环境系统有限公司 换气装置
DE102022117314A1 (de) 2022-07-12 2024-01-18 Andreas Seibold Vorrichtung zum austausch von wärmeenergie mit der umgebungsluft

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US9709066B2 (en) 2017-07-18
TW201241320A (en) 2012-10-16
CN103403358B (zh) 2016-03-16
TWI493110B (zh) 2015-07-21
US20140037478A1 (en) 2014-02-06
CN102734190A (zh) 2012-10-17
HK1187663A1 (zh) 2014-04-11

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