CN105352101B - Indoor ventilation based on the Coanda effect - Google Patents

Indoor ventilation based on the Coanda effect Download PDF

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CN105352101B
CN105352101B CN 201510905580 CN201510905580A CN105352101B CN 105352101 B CN105352101 B CN 105352101B CN 201510905580 CN201510905580 CN 201510905580 CN 201510905580 A CN201510905580 A CN 201510905580A CN 105352101 B CN105352101 B CN 105352101B
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coanda
plate
airfoil
curved
mounted
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CN 201510905580
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Chinese (zh)
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CN105352101A (en )
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彭小勇
叶雅玲
张园
符智秋
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南华大学
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Abstract

基于科恩达效应的室内通风装置,包括科恩达翼型片、弧形罩板、底板、侧板、进风筒、环形框架及变频风机。 Room ventilation Coanda effect, comprising an airfoil Coanda plate, an arcuate cover plate, a bottom plate, side plates, into the duct, and the annular frame frequency based fan. 科恩达翼型片、弧形罩板及侧板安装在底板上,弧形罩板设置在科恩达翼型片具有平滑曲面弧形导流头的上端,两块侧板分别安装在科恩达翼型片和弧形罩板的两侧,由科恩达翼型片、弧形罩板、侧板及底板组成进风腔,科恩达翼型片的弧形导流头与弧形罩板之间设有条形出风口;进风筒安装在底板上,并与进风腔相通,进风筒的安装高度低于条形出风口,以减少气流在进风腔流出时产生的噪音;环形框架安装在进风筒一端的筒孔内,变频风机设在进风筒的筒孔内,并通过螺钉固定在环形框架上。 The airfoil Coanda plate, curved plate and the cover plate is mounted on the base plate, a cover plate is provided having a curved upper flow smoothly curved surface curved head in the airfoil Coanda plate, two side plates are mounted on the wing Coanda the curved sides of the cover plate and the sheet type of sheets by the Coanda airfoil, an arcuate cover plate, the side plates and the bottom plate between the arcuate guide and the arcuate head cowl airfoil Coanda sheet composed of air intake chamber, bar with air outlet; annular frame; intake duct is mounted on the base plate and communicating with the air intake chamber, the intake duct is installed below the strip outlet height to reduce noise generated in the air intake stream outflow chamber mounted on one end into the bore of duct, fan disposed in the feed duct inverter cylindrical bore and fixed to the annular frame by screws.

Description

基于科恩达效应的室内通风装置 Indoor ventilation based on the Coanda effect

技术领域 FIELD

[0001] 本发明涉及通风装置,特别是基于科恩达效应的室内通风装置。 [0001] The present invention relates to a ventilation device, in particular based on the Coanda effect room ventilation.

背景技术 Background technique

[0002] 室内通风装置是借助换气稀释或通风排除等手段,控制空气污染物的传播与危害,实现室内空气环境质量保障的一种建筑环境控制技术。 [0002] indoor air by the ventilation means is a ventilation dilution or exclude other means, and control the spread of harmful air pollutants, environmental control technology to realize a construction indoor air environment quality assurance. 虽然现在市面上的室内通风装置种类繁多,但大多都是依靠初速度射流的方式进行通风换气,对室内空气的扰动范围小, 换气效率较低,人的舒适性体验较差,并且叶片转动剪切气流产生噪声,影响使用体验。 Although the indoor ventilation market a wide now, but mostly rely on the initial velocity of the jet way for ventilation, small disturbance range of indoor air, the lower the efficiency of ventilation, poor people experience comfort and leaves rotational shear flow generator noise, impact user experience.

发明内容 SUMMARY

[0003] 本发明的目的是克服现有技术的不足,而提供一种基于科恩达效应的新风诱导室内通风装置。 [0003] The object of the present invention is to overcome the disadvantages of the prior art, and to provide a means for inducing a ventilation based on the new indoor air Coanda effect. 它不仅兼顾了普通风扇带给人的吹风感和普通新风装置的通风用途,还解决了普通风扇叶片转动产生噪声及射流出流舒适感差的问题。 Not only does it take into account the common purpose to bring people's ventilation fan blowing fresh air and the general sense of the device, but also solve the problem of the ordinary fan blades rotating jet noise and the outflow comfort poor.

[0004] 本发明的技术方案是:基于科恩达效应的室内通风装置,包括科恩达翼型片、弧形罩板、底板、侧板、进风筒、环形框架及变频风机。 [0004] aspect of the present invention is: based on the Coanda effect room ventilation, comprising an airfoil Coanda plate, an arcuate cover plate, a bottom plate, side plates, into the duct, an annular fan frame and frequency.

[0005] 科恩达翼型片的一端为具有平滑曲面的弧形导流头。 [0005] One end of the airfoil Coanda sheet having a smooth curved surface is arcuate guide head.

[0006] 环形框架上安装有金属纱网。 [0006] The metal gauze is mounted on the ring frame.

[0007] 科恩达翼型片、弧形罩板及侧板安装在底板上,弧形罩板设置在科恩达翼型片具有平滑曲面弧形导流头的上端,两块侧板分别安装在科恩达翼型片和弧形罩板的两侧,由科恩达翼型片、弧形罩板、侧板及底板组成进风腔,科恩达翼型片的弧形导流头与弧形罩板之间设有条形出风口;进风筒安装在底板上,并与进风腔相通,进风筒的安装高度低于条形出风口,以减少气流在进风腔流出时产生的噪音;环形框架安装在进风筒一端的筒孔内,变频风机设在进风筒的筒孔内,并通过螺钉固定在环形框架上。 [0007] airfoil Coanda plate, curved plate and the cover plate is mounted on the base plate, a cover plate disposed at the upper end of the curved airfoil Coanda curved sheet guide having a smooth curved surface of the head, two side plates respectively mounted both sides of the sheet and the airfoil Coanda curved cover plate, sheet by the Coanda airfoil, an arcuate cover plate, the side plates and the bottom plate consisting of air intake chamber, the airfoil Coanda curved sheet guide heads with the arcuate cover It is provided between the slab outlet; noise generated in the intake air stream flowing out of the chamber when the intake duct is mounted on the base plate and communicating with the air intake chamber, the intake duct is installed below the strip outlet height to reduce ; ring frame is mounted in an end bore of the intake duct, the fan provided in the inverter into the bore of the duct, and fixed to the annular frame by screws.

[0008] 本发明进一步的技术方案是:在底板上的进风筒的筒口设有空气加热器,通过空气加热器加热进入进风腔的气流。 A further aspect of [0008] the present invention is: the intake duct of the cylinder port is provided on the bottom plate air heater, air heater airflow into the air intake chamber.

[0009] 使用时,将基于科恩达效应的室内通风装置安装在室内的墙壁上,进风筒与室外相通,启动变频风机,将室外新风诱导入室内。 [0009] In use, the Coanda effect based indoor ventilation device mounted on an indoor wall, in communication with the outdoor inlet duct, fan start frequency, the outdoor air induced into the chamber.

[0010] 本发明再进一步的技术方案是:将两个基于科恩达效应的室内通风装置通过连接板连接在一起,组成一个组合型的室内通风装置,连接板通过螺钉安装在基于科恩达效应的室内通风装置的底板上,基于科恩达效应的室内通风装置的弧形罩板相互对应,在底板上通过螺钉安装有外罩,外罩的内壁与底板之间形成长方体形进风腔,在外罩上设有两个用于安装滤网的进风框,进风框分别与进风筒对应,滤网安装在进风框内。 [0010] Still further aspect of the present invention is: based on the Coanda effect of room ventilation is connected via two webs together to form a combination-type indoor ventilation means, mounted on the connecting plate by screws Coanda effect the floor room ventilation based indoor ventilation cowl curved Coanda effect device correspond to each other, the base plate is attached to the housing by screws to form a rectangular parallelepiped-shaped air intake chamber between the inner housing and the bottom plate, the outer cover is provided there are two air intake frame for mounting the strainer, into the air intake duct respectively corresponding to frame, mounted in the air intake filter frame.

[0011] 使用时,启动变频风机,变频风机将室内空气从进风框抽入长方体形进风腔,再从进风筒进入进风腔,并从条形出风口流出,流出后的空气受到科恩达翼型片外壁科恩达曲面的导流带动室内空循环,从而实现室内大范围有组织的气流循环。 [0011] In use, the blower start frequency, frequency fan draws air from the room into the air intake box-shaped rectangular air intake chamber, and then into the air intake chamber from the intake duct, and flows out from the outlet bar, air flows by the diversion Coanda Coanda curved airfoil outer wall piece led indoor air circulation, in order to achieve a wide range of organized indoor air circulation.

[0012]本发明与现有技术相比具有如下优点: [0012] The present invention and the prior art has the following advantages:

[0013]丨、满足新风要求。 [0013] Shu, to meet the new requirements of the wind. 基于科恩达效应的室内通风装置贴墙壁安装,采用室外新风诱导,可根据特定功能房间的新风量需求确定风量,变频风机可实现风量可调。 Based paste room ventilation installation wall Coanda effect, induction using outdoor air, air flow may be determined, frequency adjustable air flow fan can be achieved according to the needs of a specific function of the room fresh air.

[0014] 2、能耗小、噪音低。 [0014] 2, low energy consumption, low noise. 基于科恩达效应的室内通风装置利用部分新风诱导,即利用小流量诱导出流,诱导率尚达10〜15倍,这使得流经风机的风量会明显减少,对风机的功率要求也会大大降低;利用出风口和科恩达曲面诱导,实现小流量小功率诱导出风产生普通大功率风扇的出风效果,从而减少电能消耗3〇%以上;弧形导流头的平滑曲面可减少由于气流遇到尖锐物产生乱流噪音。 Based on the Coanda effect indoor ventilation apparatus using a portion of fresh air induced, i.e., induced flow with a small flow rate, 10 ~ 15-fold induction rate Chanda, which makes the air volume flowing through the turbine will be significantly reduced, the fan power requirements will be greatly reduced ; use of a Coanda surface, and the outlet induction, induced to achieve low flow low power wind power generating wind general effect of the fan, thereby reducing power consumption than 3〇%; smooth curved surface curved flow-guiding head may reduce the airflow in case of sharp object to turbulent noise.

[0015] 3、气流柔和、舒适性好。 [0015] 3, air soft, comfortable and good. 空气由出风口流出,沿科恩达曲面运动的同时带动周围气体运动,气流比单纯射流出流更加柔和,使室内空气循环流动的范围增大,室内环境更加舒适D The air flow from the air, driven by the gas around the Coanda surface while moving along the movement of the air flow is more gentle than a simple jet, the indoor air circulating range increases, more comfortable indoor environment D

[0016] 4、外形美观、使用安全。 [0016] 4, appearance, safe use. 科恩达翼型片为曲面结构,外观新颖时尚;风机内置,避免了因叶片的高速转动而引起的人身伤害。 The airfoil is curved Coanda sheet structure, fashionable appearance; built-in fan, avoid injury due to high speed rotation of the blade caused.

[0017] 5、将两个基于科恩达效应的室内通风装置通过连接板连接在一起,组成一个组合型的室内通风装置,不需要室外新风诱导,变频风机将室内空气从进风框抽入长方体形进风腔,再从进风筒进入进风腔,并从条形出风口流出,流出后的空气受到科恩达翼型片外壁科恩达曲面的导流带动室内空循环,从而实现室内大范围有组织的气流循环。 [0017] 5, the two based on the Coanda effect ventilation chamber connected by webs together to form a combination-type indoor ventilation, no outdoor air induction frequency the indoor fan draws air from the air intake into the rectangular frame shaped air intake chamber, and then into the air intake chamber from the intake duct, and flows out from the strip outlet, air flowing out of the airfoil Coanda deflector sheet by an outer wall surface of the Coanda driven indoor air circulation, in order to achieve a wide range of chamber organized air circulation.

[0018]以下结合图和实施例对本发明作进一步描述。 [0018] in conjunction with the following figures and examples of the present invention will be further described.

附图说明 BRIEF DESCRIPTION

[0019]附图1为本发明的结构示意图; [0019] FIG. 1 is a schematic structural diagram of the present invention;

[0020]附图2为附图1中的AA剖视图; 1 is a sectional view AA [0020] Figure 2 is a drawings;

[0021]附图3为环形框架的结构示意图; [0021] Figure 3 is a schematic diagram of the structure of the ring frame;

[0022]附图4为附图3中的BB剖视图; [0022] Figures 4 is a cross-sectional view of figures 3 BB;

[0023]附图5为组合型室内通风装置结构示意图。 [0023] Figure 5 is a schematic view of a combination-type indoor ventilation structure.

具体实施方式 detailed description

[G024]实施例一:基于科恩达效应的室内通风装置,包括科恩达翼型片1、弧形罩板2、底板3、侧板4、进风筒5、环形框架6及变频风机7。 [G024] Example a: based on the Coanda effect room ventilation, comprising an airfoil Coanda sheet 1, the arcuate cover plate 2, the bottom plate 3, side plates 4, 5 into the duct, the annular frame 6 and the fan 7 frequency.

[0025]科恩达翼型片1的一端为具有平滑曲面的弧形导流头1-1。 [0025] One end of the airfoil Coanda sheet having a smooth curved surface is arcuate guide head 1-1.

[0026] 环形框架6上安装有金属纱网6-1。 [0026] The annular frame 6 is mounted on a metal gauze 6-1.

[0027] 科恩达翼型片1、弧形罩板2及侧板4安装在底板3上,弧形罩板2设置在科恩达翼型片1具有平滑曲面弧形导流头1-1的上端,两块侧板4分别安装在科恩达翼型片1和弧形罩板2的两侧,由科恩达翼型片1、弧形罩板2、侧板4及底板3组成进风腔10,科恩达翼型片1的弧形导流头1-1与弧形罩板2之间设有条形出风口9。 [0027] airfoil Coanda sheet 1, the curved plate 4 and the cover plate 2 mounted on the chassis 3, the cover plate 2 is provided with an arcuate surface having a smooth arcuate guide head 1-1 in the airfoil Coanda sheet 1 an upper end, two side plates 4 are mounted at both sides of the airfoil Coanda curved sheet 1 and the cover plate 2 by the sheet composed of the airfoil Coanda air intake chamber 1, the arcuate cover plate 2, the side plate 4 and the bottom plate 3 10, is provided between the curved plate airfoil Coanda deflector 2 1 1-1 arcuate head cover outlet 9 slab. 进风筒5安装在底板3上,并与进风腔10相通,进风筒5的安装高度低于条形出风口9,以减少气流在进风腔10流出时产生的噪音。 The intake duct 5 mounted on the floor 3, and communicates with the inlet chamber 10, into the installation duct a height lower than 5 bar outlet 9 to reduce airflow noise generated when air flows into the chamber 10. 环形框架6安装在进风筒5—端的筒孔内,变频风机7设在进风筒5的筒孔内,并通过螺钉固定在环形框架6上。 Ring frame 6 is mounted on the intake side of the cylinder bore 5- duct, the fan 7 is provided in the frequency conversion into the duct bore 5 of the cylinder, and fixed to the annular frame 6 by screws.

[0028]实施例二:本实施例包括实施例一中的全部技术特征,与实施例一的区别是,在底板3上的进风筒5的筒口设有空气加热器8,通过空气加热器8加热进入进风腔10的气流。 [0028] Second Embodiment: This embodiment comprises all the technical features of an embodiment of the difference with the first embodiment is that the intake duct 3 on the bottom plate 5 of the cylinder port 8 is provided with the air heater, air heater 8 heated gas stream into the inlet chamber 10.

[0029] 实施例三、将两个基于科恩达效应的室内通风装置通过连接板I4连接在一起,组成一个组合型的室内通风装置,连接板14通过螺钉安装在基于科恩达效应的室内通风装置的底板3上,基于科恩达效应的室内通风装置的弧形罩板2相互对应,在底板3上通过螺钉安装有外罩11,外罩11的内壁与底板3之间形成长方体形进风腔I5,在外罩U上设有两个用于安装滤网I3的进风框12,进风框12分别与进风筒5对应,滤网13安装在进风框12内。 [0029] Embodiment 3 will be based on the Coanda effect of room ventilation is connected via two webs I4 together to form a combination-type indoor ventilation, the connecting plate 14 by a screw means mounted on the indoor air based on the Coanda effect 3 on the basis of indoor ventilation cowl curved Coanda effect device 2 corresponding to each base plate, the housing 11 is mounted by screws on the bottom plate 3, a rectangular parallelepiped shape is formed between the air intake chamber I5 housing 3 and the bottom plate 11 of the inner wall, for mounting the screen is provided with two air inlet I3 frame 12 on the cover U, the air intake box 12 respectively corresponding to the intake duct 5, the filter 13 is mounted within the air intake box 12.

Claims (2)

  1. 1.基于科恩达效应的室内通风装置,其特征是:将两个基于科恩达效应的室内通风装置通过连接板连接在一起,组成一个组合型的室内通风装置,连接板通过螺钉安装在基于科恩达效应的室内通风装置的底板上,基于科恩达效应的室内通风装置的弧形罩板相互对应,在底板上通过螺钉安装有外罩,外罩的内壁与底板之间形成长方体形进风腔,在外罩上设有两个用于安装滤网的进风框,进风框分别与进风筒对应,滤网安装在进风框内; 所述的基于科恩达效应的室内通风装置包括科恩达翼型片、弧形罩板、底板、侧板、进风筒、环形框架及变频风机; 科恩达翼型片的一端为具有平滑曲面的弧形导流头; 环形框架上安装有金属纱网; 科恩达翼型片、弧形罩板及侧板安装在底板上,弧形罩板设置在科恩达翼型片具有平滑曲面弧形导流头的上端,两块侧板分 1. Based on the Coanda effect of the ventilation chamber, characterized in that: based on the Coanda effect of room ventilation is connected via two webs together to form a combination-type indoor ventilation apparatus installed on a connecting plate by screws Cohen effect on the floor of the room ventilation, based on the indoor ventilation cowl curved Coanda effect device correspond to each other, the base plate is attached to the housing by screws to form a rectangular parallelepiped-shaped air intake chamber between the inner wall of the housing and the base plate, and in frame is provided with two air intake filters for mounting on the housing, into the air intake duct respectively corresponding to frame, mounted in the air intake filter frame; based on the Coanda effect of the ventilation chamber comprises a Coanda wing type sheet, the arcuate cover plate, a bottom plate, side plates, into the duct, an annular fan frame and frequency; end of the airfoil Coanda sheet having a smooth curved surface is arcuate guide head; metal gauze is mounted on an annular frame; the airfoil Coanda plate, curved plate and the cover plate is mounted on the base plate, a cover plate is provided having a curved upper flow smoothly curved surface curved head in the airfoil Coanda plate, two side plates minutes 别安装在科恩达翼型片和弧形罩板的两侧,由科恩达翼型片、弧形罩板、侧板及底板组成进风腔,科恩达翼型片的弧形导流头与弧形罩板之间设有条形出风口;进风筒安装在底板上,并与进风腔相通,进风筒的安装高度低于条形出风口,以减少气流在进风腔流出时产生的噪音;环形框架安装在进风筒一端的筒孔内,变频风机设在进风筒的筒孔内,并通过螺钉固定在环形框架上。 Respectively installed at both sides of the airfoil Coanda curved sheet and the mask sheet, the sheet Coanda airfoil, an arcuate cover plate, the side plates and the bottom plate consisting of air intake chamber, the first curved guide plate and the airfoil Coanda a cover plate is provided between the arcuate strip outlet; the intake duct is mounted on the base plate and communicating with the air intake chamber, the intake duct installation height than the strip outlet to reduce airflow flowing in the air intake chamber noise generated; ring frame is mounted in an end bore of the intake duct, the fan provided in the inverter into the bore of the duct, and fixed to the annular frame by screws.
  2. 2.如权利要求1所述的基于科恩达效应的室内通风装置,其特征是:在底板上的进风筒的筒口设有空气加热器,通过空气加热器加热进入进风腔的气流。 As claimed in claim 1, based on the Coanda effect of the ventilation chamber, wherein: the intake duct of the cylinder port is provided on the bottom plate air heater, air heater airflow into the air intake chamber.
CN 201510905580 2015-12-10 2015-12-10 Indoor ventilation based on the Coanda effect CN105352101B (en)

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