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Publication numberCN100533094 C
Publication typeGrant
Application numberCN 200610083788
Publication date26 Aug 2009
Filing date6 Jun 2006
Priority date6 Jun 2006
Also published asCN1851435A
Publication number200610083788.2, CN 100533094 C, CN 100533094C, CN 200610083788, CN-C-100533094, CN100533094 C, CN100533094C, CN200610083788, CN200610083788.2
Inventors刘晓萌, 刘福长
Applicant刘晓萌
Export CitationBiBTeX, EndNote, RefMan
External Links: SIPO, Espacenet
Annular back-flow vertical wind tunnel, and its back-flow method
CN 100533094 C
Abstract  translated from Chinese
一种环形回流垂直风洞及其回流方法,本发明的环形回流垂直风洞包括动力系统和工作洞体,其中所述工作洞体包括入口进气端、安定段、收缩段、工作段、以及出口排气端,其特征在于:所述风洞还包括一个罩于所述工作洞体之外的外壳,在所述工作洞体和所述外壳之间有一个环形通道,所述动力系统将空气从所述工作洞体入口进气端吹入,穿过所述工作洞体并从所述工作洞体出口排气端吹出,经所述环形通道回流至所述工作洞体入口进气端,本发明的环形回流垂直风洞及其回流方法是通过在外壳和工作洞体之间形成环形回流工作的,动力要求低,设计、施工简单,噪音尤其是洞外噪音低,可以全天候使用,经济、安全、舒适。 A vertical wind tunnel ring reflux and reflux method, the ring of the present invention, the reflux vertical wind tunnel, including power systems and working cave, wherein the working cave include the inlet end of the inlet, stable segment, the contraction segment, operating segment, as well as an exhaust outlet end, characterized in that: said wind tunnel further comprises a cover to the housing body outside the working hole, between the work and the cave housing having an annular passage, said power system air inlet from the working hole blown into the inlet end through the hole in the body of work and from the working hole blown exhaust outlet end, through the annular channel is returned to the working cave entrance inlet end ring of the present invention reflux and reflux vertical wind tunnel is through between the housing and work to form an annular reflux cave work, low power requirements, design, simple construction, low noise, especially noise outside the cave, all-weather use, economic, safe, and comfortable.
Claims(10)  translated from Chinese
1、一种环形回流垂直风洞,包括动力系统和工作洞体,其特征在于:其中所述工作洞体包括入口进气端、使气流垂直向上的安定段、侧壁逐渐向上收缩的收缩段、工作段、以及出口排气端,所述工作段包括侧壁为直壁的下工作段和侧壁向上小角度扩张的上工作段,所述扩张角度的全角为6至8,所述风洞还包括一个罩于所述工作洞体之外的外壳,在所述工作洞体和所述外壳之间有一个环形通道,所述动力系统将空气从所述工作洞体入口进气端吹入,穿过所述工作洞体并从所述工作洞体出口排气端吹出,经所述环形通道回流至所述工作洞体入口进气端。 An annular reflux vertical wind tunnel, including power systems and working cave, wherein: wherein the working cave includes an inlet end of the inlet, the airflow upright stable segment, the side wall tapers upward contraction section Working section, and an outlet exhaust end, the working section includes a side wall of the working section of the working section and side walls straight walled small angle upward expansion of the whole angle of the spread angle of 6 to 8 , the said tunnel further comprises a cover to the housing body outside the working hole, between the work and the cave housing having an annular passage, said power system from the air intake inlet hole work end blown through the cave and work from the working hole blown exhaust outlet end, through the annular channel is returned to the working cave entrance inlet end.
2、 根据权利要求1所述的环形回流垂直风洞,其特征在于:所述动力系统设于所述工作洞体的入口进气端,所述工作洞体出口排气端设有回流导流器。 2, according to claim 1, wherein the annular reflux vertical wind tunnel, wherein: the power system provided in the inlet end of the inlet hole body of work, the working end is provided with an exhaust outlet hole reflux diversion device.
3、 根据权利要求2所述的环形回流垂直风洞,其特征在于:所述回流导流器为具有中心锥状物的碗状,扣置于所述工作洞体上。 3, according to claim 2, wherein the annular reflux vertical wind tunnel, characterized in that: said deflector is refluxed bowl having a central cone, the buckle is placed on the working cave.
4、 根据权利要求3所述的环形回流垂直风洞,其特征在于:所述回流导流器中设有至少一层导流隔板及整流装置。 4, according to claim 3, wherein the annular reflux vertical wind tunnel, wherein: the reflux is provided with at least one deflector baffle separator and the rectifying means.
5、 根据权利要求l、 2或3所述的环形回流垂直风洞,其特征在于:所述外壳上部设有至少一个排气窗,下部设有至少一个进气窗,在所述外壳和所述工作洞体之间且在排气窗下面的位置处设有阻尼网。 5, according to claim l, 2 or 3 wherein the annular reflux vertical wind tunnel, characterized in that: said housing upper portion has at least one exhaust window, the lower part has at least one air intake window, and that in the housing He said work between cave and is provided at the position of the exhaust damper network window below.
6、 根据权利要求l、 2或3所述的环形回流垂直风洞,其特征在于:所述工作段横截面为多边形。 6, according to claim l, 2 or 3 wherein the annular reflux vertical wind tunnel, characterized in that: the working section of polygonal cross-section.
7、 根据权利要求l、 2或3所述的环形回流垂直风洞,其特征在于:所述外壳和工作洞体至少在工作段处均由透明物质制成或者所述工作洞体内壁至少在工作段处设有电子屏幕或图画。 7, according to claim l, 2 or 3, wherein the annular reflux vertical wind tunnel, wherein: the housing and working cave at work, at least in sections by an inner wall made of a transparent material, or at least in the working-dong section of an electronic screen at work or drawing.
8、 一种环形回流垂直风洞回流方法,用于如权利要求l所述的风洞,风洞工作时,空气从工作洞体入口进气端吹入,穿过工作洞体后从工作洞体出口排气端吹出,其特征在于:空气由工作洞体吹出后通过外壳和工作洞体之间的环形通道实现回流。 8, a vertical wind tunnel ring reflux reflux method as claimed in claim for wind tunnel l said, when wind tunnel work, the work of air from the intake end of the inlet hole blown through the working cave after cave from work blown exhaust outlet end, characterized in that: the air is blown back by the working cave achieve reflux through the annular channel housing and work between the cave.
9、 根据权利要求8所述的方法,其特征在于:在空气回流过程中通过设于所述工作洞体的出口排气端的回流导流器进行回流。 9. A method according to claim 8 or claim, characterized in that: in the air through a reflow process at the outlet end of the exhaust gas reflux cave work deflector reflux.
10、 根据权利要求8或9所述的方法,其特征在于:在空气回流过程中还通过设于所述工作洞体外壳上部的至少一个排气窗和设于外壳下部的至少一个进气窗,对回流空气进行换气调节。 10. A method according to claim 8 or 9, characterized in that: in the air by the reflow process is also provided in the upper portion of the working cave at least one housing vent window provided in the lower portion of the housing and at least one air intake window , reflow air ventilation adjustment.
Description  translated from Chinese

环形回流垂直风洞及其回流方法 Vertical wind tunnel ring reflux and reflux method

技术领域 Technical Field

本发明涉及用于跳伞训练及飞人运动的垂直风洞,尤其涉及一种环形回流垂直风洞及其回流方法。 The present invention relates to a vertical wind tunnel for skydiving training and trapeze movement, particularly, to a vertical wind tunnel ring reflux and reflux method.

背景技术 Background

航空领域的一种特殊地面实验设备一垂直风洞,早在上世纪以美国为首的发达国家就已经建成多座。 A special test equipment aviation ground a vertical wind tunnel, early in the last century, led by the US have been built more than a dozen countries. 近年来,为了进行跳伞员和跳伞运动员在下落阶段身体控制和艺术表演的训练,以及一种时尚体育休闲运动——飞人运动的兴起,航空垂直风洞已演化和发展成为一种新的民用为主的飞人运动垂直风洞。 In recent years, in order to carry out the diver and skydiver falling stage in the training body control and performing arts, as well as a fashionable sports and leisure sports - sports rise trapeze, aerial vertical wind tunnel has evolved and developed into a new civil as main vertical wind tunnel trapeze movement. 垂直风洞飞行舱内的高速气流可使跳伞员和跳伞运动员得到高效优质的训练,也可以使飞行爱好者获得翱翔天空的乐趣。 Vertical wind tunnel flight cabin, high-speed air stream allows the diver and skydiver get efficient quality training, flight enthusiasts can also obtain soar sky fun. 到目前为止,欧美各国已建成多座这种飞行舱设备。 So far, European countries have built more than a dozen such flight deck equipment. 美国建成的数目最多,并已经获得广 The largest number of American built, and has received wide

泛应用。 Pan applications. 比如美国专利6083110号公开了一种垂直风洞训练系统,该风洞为开路式(即烟囱式),依靠置于风洞上部的几个风扇作为其动力系统,通过这几个风扇的作用,将风洞内的工作气体排到外界环境中,风洞内的气压将低于外界大气压,从而使外界空气通过其下部的空气入口进入风洞,实现工作气体的循环。 For example, US Patent No. 6,083,110 discloses a vertical wind tunnel training system, the wind tunnel is open-ended (ie chimney), relying on several fan placed in the upper part of the wind tunnel as part of its power system through which the role of several fans, The working gas is discharged to the external environment within the tunnel, the air pressure inside the tunnel will be lower than ambient atmospheric pressure, so that the outside air through the air inlet tunnel into the lower portion thereof, to achieve the cycle working gas. 美国专利US2006/0025227A1 公开了另一种垂直风洞系统方案,该风洞为一种回流式风洞,但其回流方法为管道式单回流或双回流,通过置于上部的风扇系统和复杂的管路系统在飞行舱内产生高速气流并实现回流。 U.S. Patent US2006 / 0025227A1 discloses another vertical wind tunnel system solutions, the wind tunnel as a reflux wind tunnel, but its approach to pipeline reflux single reflow or double back, by placing the upper part of the fan system and complex pipeline system to produce high-speed airflow in the flight chamber and to achieve reflux.

但是,现有的垂直风洞存在以下缺点:多采用开路式(即烟囱式),虽然结构简单, 但是高度大、噪音高,并且受外界天气影响较大,制约了其使用;现有的管道式回流风洞回流管路设计、施工都很复杂;并且风洞内部空气与外界大气交换很少,不易散热, 使风洞工作一段时间后,内部回流空气温度过高,并且不新鲜,易使人感到不适,不宜长时间工作。 However, existing vertical wind tunnel has the following disadvantages: use of open-ended (ie chimney), although the structure is simple, but highly large, noisy, and influenced by the external weather, restricted its use; existing pipeline reflow tunnel return line design, construction is very complicated; and wind tunnel inside air with outside air exchange rare and difficult to heat, so that the wind tunnel working for some time, the internal return air temperature is too high, and not fresh, easy to make people feel discomfort, not work long hours. 目前,发达国家以及我国正在大力研制新型、经济、安全、舒适的垂直风洞,以便更好的满足训练和娱乐方面的要求。 At present, the developed countries and China is vigorously develop new, economical, safe and comfortable vertical wind tunnel in order to better meet the requirements for training and entertainment.

发明内容 DISCLOSURE

本发明的目的是提供一种功率需求低,噪音较低,安全、舒适,可适应各种气象条 The purpose of the present invention is to provide a low power requirement, low noise, safety, comfort, can be adapted to a variety of meteorological conditions

3件的环形回流垂直风洞及其回流方法。 Three vertical wind tunnel ring reflux and reflux method.

为实现本发明目的,而提出以下技术方案: For purposes of this invention, the following technical solutions proposed:

一种环形回流垂直风洞,包括动力系统和工作洞体,其中所述工作洞体包括入口进气端、安定段、收縮段、工作段、以及出口排气端,其特征在于:所述风洞还包括一个罩于所述工作洞体之外的外壳,在所述工作洞体和所述外壳之间有一个环形通道,所述动力系统将空气从所述工作洞体入口进气端吹入,穿过所述工作洞体并从所述工作洞体出口排气端吹出,经所述环形通道回流至所述工作洞体入口进气端。 A toroidal reflux vertical wind tunnel, including power systems and working cave, which comprises the working cave entrance inlet end, stable segment, the contraction segment, operating segment, as well as the exhaust outlet end, characterized in that: the wind Cave also includes a cover of the housing of the working cave outside the cave between the work and the housing having an annular channel, the power system will work from the air inlet hole inlet end blow into, through the work of the working cave and cave exit from the exhaust end blown through the annular channel is returned to the working cave entrance inlet end.

上述环形回流垂直风洞,所述动力系统设于所述工作洞体的入口进气端,所述工作洞体出口排气端设有回流导流器。 Said annular reflux vertical wind tunnel, the power system provided in the working cave entrance of the inlet end, the working end is provided with an exhaust outlet hole reflux deflector.

上述环形回流垂直风洞,所述回流导流器为具有中心锥状物的碗状,扣置于所述工作洞体上。 Said annular reflux vertical wind tunnel, said return deflector having a bowl of center cone, buckle placed on the working cave.

上述环形回流垂直风洞,所述回流导流器中设有至少一层导流隔板及整流装置。 Said annular reflux vertical wind tunnel, the return deflector is provided with a baffle plate and at least one rectifier. 上述环形回流垂直风洞,所述外壳上部设有至少一个排气窗,下部设有至少一个进气窗,在所述外壳和所述工作洞体之间且在排气窗下面的位置处设有阻尼网。 Said annular reflux vertical wind tunnel, the upper portion of the housing provided with at least one exhaust window, the lower part has at least one air intake window, and is provided at a position between said housing and said work window in the exhaust cave below damping network. 上述环形回流垂直风洞,所述工作段横截面为多边形。 Said annular reflux vertical wind tunnel, the working cross-section of a polygonal section.

上述环形回流垂直风洞,所述外壳和工作洞体至少在工作段处均由透明物质制成或者所述工作洞体内壁至少在工作段处设有电子屏幕或图画。 Said annular reflux vertical wind tunnel, the cave housing and work at least in the working section made by a transparent material or the hole in the inner wall of at least work with electronic screen or picture in the segment of the work.

一种环形回流垂直风洞回流方法,用于上述环形回流垂直风洞,风洞工作时,空气从工作洞体入口进气端吹入,穿过工作洞体后从工作洞体出口排气端吹出,空气由工作洞体吹出后通过外壳和工作洞体之间的环形通道实现回流。 A vertical wind tunnel ring reflux reflux method for the ring reflux vertical wind tunnel, wind tunnel work when the air inlet hole from work inlet end is blown through the working cave after exit from the working cave exhaust end blowing air from the cave after work to achieve reflux blown through the annular passage between the housing and the work of the cave.

上述环形回流垂直风洞回流方法,在空气回流过程中通过设于所述工作洞体的出口排气端的回流导流器进行回流。 Said annular vertical wind tunnel reflux reflux method in air reflow process to exit through a discharge end of the working cave reflux deflector reflux.

上述环形回流垂直风洞回流方法,在空气回流过程中还通过设于所述工作洞体外壳上部的至少一个排气窗和设于外壳下部的至少一个进气窗,对回流空气进行换气调节。 Said annular vertical wind tunnel reflux reflux method, in air reflow process also by the housing provided in the upper part of the body work at least one vent hole is provided in the lower window and at least one shell into the transom, reflow air ventilation adjustment .

本发明的积极效果是:(1)本发明的环形回流垂直风洞是通过在外壳和工作洞体之间形成环形回流工作的,动力要求较开路式低,设计、施工较管道式回流风洞简单,噪音尤其是洞外噪音低,可以全天候使用,经济、安全、舒适。 The positive effect of the present invention are: (1) the ring of the present invention is carried out by reflux vertical wind tunnel between the housing and working cave forming an annular reflux work, low-power requirements more open design, construction pipeline reflux compared with wind tunnel Simple, low noise, especially noise outside the cave, all-weather use, economical, safe and comfortable. (2)本发明的环形回流垂直风洞采用穹形的回流导流器,使气流方向转变180。 Ring (2) of the invention reflux vertical wind tunnel using a dome reflux deflector, change the direction of airflow 180. ,简便的实现了回流,并且降低了能量损失;该导流器为具有中心锥状物的碗状,其中的中心锥状物能够防止涡流的产生,导流器内凹的型面及设置的分流隔板和整流装置可以改善导流,防止出现严重分离。 , To achieve a simple reflux, and reduces energy loss; the deflector cone is bowl has a center, wherein the central cone can prevent the generation of eddy currents, the deflector and the concave molding surface provided split partitions and rectifying means to improve diversion, to prevent serious separation. (3)本发明的环形回流垂直风洞的外壳上设有进气窗和排气窗,能够保证风洞长时间运行期间空气新鲜,并可使气温控制在合适的温度范围。 Has intake and exhaust transom windows on the ring (3) of the invention reflux vertical wind tunnel housing the fresh air during the wind tunnel to ensure a long-running, and allows the temperature control at a suitable temperature range. 在风洞外壳和工作洞体之间排气窗下面位置处设有阻尼网,可以使网上方气体压强稍大于室外大气压,以利于上方热空气的排出,同时,设置阻尼网也有助于降低回流区的噪音。 Vent window is provided at a position below the damping network tunnel between the housing body and the work hole can make online outdoor side gas pressure slightly greater than atmospheric pressure, in order to facilitate the discharge of the hot air above, at the same time, setting the damping network will also help to reduce reflux noise zone. (4)本发明的环形回流垂直风洞垂直的外壳和工作洞体至少在工作段区均由透明物质制成,或者工作洞体内壁至少在工作段处设有电子屏幕或图画,使飞行者能够获得翱翔天空的真实感觉。 Ring (4) of the invention reflux vertical wind tunnel vertical cave housing and work, at least in the work area by segment is made of transparent material, or at least work with a hole in the inner wall of the electronic screen or picture in the segment of the work, make flyers flying in the sky can get the true feeling. 另外,本发明的环形回流垂直风洞的工作段横截面为多边形,便于安装平面玻璃。 In addition, the annular working section perpendicular to the wind tunnel of the present invention is refluxed polygonal cross-section, easy to install flat glass.

附图说明 Brief Description

图1为本发明的环形回流垂直风洞的结构示意图。 Reflux vertical annular structure diagram of a wind tunnel of the present invention. 图2为动力系统风机布置平面示意图。 Figure 2 is a schematic plan view of the power system fan arrangement. 图3为工作段截面示意图。 Figure 3 is a cross-sectional schematic view of the working section.

具体实施方式 DETAILED DESCRIPTION

下面结合附图和实施例对本发明作进一步的描述,但应当说明的是,这些实施例仅用于说明本发明的方案,而并不能将本发明的范围局限于此。 Below in conjunction with the accompanying drawings and the embodiment of the present invention will be further described, it should be noted that these examples are merely illustrative of the present invention, but does not bring the scope of the invention is limited thereto.

如图1所示,本发明的环形回流垂直风洞具有以下几大部分:下置的动力系统l, As shown in Figure 1, the ring of the present invention, the reflux vertical wind tunnel has the following parts: the next set of power system l,

外壳2,支架3,工作洞体4,以及回流导流器5。 Case 2, frame 3, the working cave 4, and 5 reflux deflector. 下面分别就这几大部分说明本系统的工作原理。 Here most of these works were described this system.

本实施例中,本发明的动力系统不同于现有风洞的上置式动力系统,而是把动力系统1置于整个垂直风洞的底部,与上置式动力系统相比,这样设计的优点是不仅可以减轻支架3承载的重量及振动,而且可以大大降低安装成本,并且便于设备检修。 Example, the power system of the present invention differs from the existing wind tunnel mounted power system of the present embodiment, but the power system at the bottom of the entire vertical wind tunnel, compared with the top-mounted power system, the advantage of this design is not only can reduce the weight bearing bracket 3 and vibration, and can greatly reduce installation costs, and ease of equipment maintenance. 如图l 所示,在该实施例中甚至将动力系统1置于地面以下,同时减小了噪音尤其是洞外噪音。 It is shown in Figure l, in this embodiment, even the power system 1 is placed below ground level, while reducing the noise, especially the noise outside the cave.

如图l所示,本发明的环形回流垂直风洞包括一个外壳2,这使得本发明的风洞的工作洞体4处于外壳2形成的室内,虽然整个风洞系统置于室外大气环境,但不受外界 Shown in Figure l, the ring of the present invention comprises a housing refluxed vertical wind tunnel 2, which makes the work of the wind tunnel of the present invention, the hole in the interior body 4 of the housing 2 is formed, although the entire tunnel system is placed outside the atmosphere, but from outside

环境和气候的影响,可以全天候运行,大大提高了使用效率。 Impact on the environment and climate, all-weather operation, greatly improving efficiency.

支架3设置于外壳2和工作洞体4之间,用于支承外壳2、工作洞体4和回流导流 Bracket 3 provided in the housing 2 and working cave between 4 for bearing housing 2, 4 and the return to work of diversion cave

器5等结构,由于本发明将动力系统1下置,减轻了支架3承载的重量及振动,对于支架3的强度要求就大大减小,成本就可大幅减低。 5 and other structures, since the present invention is the power system under the home, reducing the weight carried by the cradle 3 and vibration strength requirements for the bracket 3 will be greatly reduced, the cost can be significantly reduced.

工作洞体4是风洞的主要部分,空气由工作洞体4的下部进入,从工作洞体4顶部流出,如图l中箭头方向所示,本发明的工作洞体4主要包括安定段42、收縮段43、 工作段44、扩压段45。 Working cave 4 is a major part of the wind tunnel, the air from the working hole lower part of the body 4 enters from the top job cave 4 outflow direction indicated by the arrows in Figure l Working hole 4 of the present invention include diazepam paragraph 42 contraction section 43, the working section 44, the diffuser segment 45.

回流导流器5的作用是将从工作洞体4顶部垂直向上流出的空气转变流向,改为垂 Deflector reflux for 5 from the body of work is to change the air flow 4 hole out of the top of the vertical upward instead hanging

直向下,从而实现本发明风洞的环形回流。 Under vertical, in order to achieve the present invention the ring reflux wind tunnel. 回流导流器5的形状为倒扣的具有中心锥状 Reflux shape deflector 5 is upside down with a central cone

物的碗状,其内凹的型面和分流隔板51及整流装置利于气流方向转180向下,并减少能量损失。 Bowl material, its concave profile and split in favor of the spacer 51 and the rectifier 180 airflow direction to turn down, and reduce energy losses.

以上是本系统工作原理的叙述,下面将结合具体实施例,对本发明进行详细描述。 The above description of the system works, in conjunction with the following specific embodiments of the present invention will be described in detail.

如图1所示,在该实施例中动力系统1被置于地面以下,本实施例的动力系统1包括六组电机系统ll,每组电机系统11包括电机111和风扇112,在地面以下呈与工作洞体4同轴心的环形均匀水平布置,如图2所示。 1, in this embodiment, the power system 1 is placed below the surface, the power system of the present embodiment 1 includes six groups of motor system ll, each group of motor system 11 includes a motor 111 and fan 112, on the ground below was uniform level of the ring and working cave 4 concentric arrangement shown in Figure 2. 每台电机功率为132至220千瓦。 Each motor power of 132-220 kilowatts. 当然,本发明还可以采用其它台数的电机系统,可以根据需要采用灵活多变的各种电机、 风扇组合。 Of course, the present invention may also employ other number of units of the motor system, according to the need to adopt flexible various motors, fan assembly. 多组小功率电机的设置避免了采用单个大型电机、风扇系统,可以采用380V 的低压电源,方便运行。 Multiple sets of small power motors is provided to avoid the use of a single large motors, fan system, you can use low voltage 380V power supply, convenient operation. 同时,采用多组小型电机、风扇系统,噪音低,造价低,降低了风洞的总高度,易于制造、安装、维修、更换;并且可以根据风洞使用者的多少及需求,开动不同数量的电机、风扇,因此运行灵活多变,节电潜力大。 At the same time, the use of multiple sets of small motors, fan system, low noise, low cost, lowering the total height of the wind tunnel, easy to manufacture, installation, maintenance, replacement; and according to the number of users and the needs of the wind tunnel, a different number of start motors, fans, running flexible, energy-saving potential. 另外很重要的一点是当其中一组电机、风扇突然出现故障时,其它组的电机、风扇仍能够正常工作,从而能够有效地避免安全事故的产生。 Another important point is that when one group of motor, the fan suddenly fails, the other group of motor, the fan still can work normally, which can effectively prevent the generation of accidents. 另外,电机系统11中电机111通过传动轴带动风扇112转动,可以縮短风扇段长度,并且有利于电机散热,可长时间运转。 Further, the motor system 11 driven by the fan motor 111 through the shaft 112 is rotated, the fan can be shortened length, and to facilitate motor heat, can operate for a long time.

当本发明的风洞开始工作时,电机lll、风扇112开启,空气进入风机入口进气段121,风机入口进气段121和出口排气段122分别设有拐角导流片113和U4,可以先使垂直向下进入的气流在风扇112的入口处变为水平方向,然后再变为垂直向上平稳流出,从而最大程度的降低了能量损失。 When the tunnel began to work the present invention, the motor lll, fan 112 is turned on, the intake air into the fan inlet section 121, section 121 intake fan inlet and outlet exhaust section 122, respectively, with corner baffle 113 and U4, can first vertically downwardly into the air flow so that the fan 112 at the entrance into the horizontal direction, and then flows vertically upward into a stable, in order to maximize the energy loss is reduced.

如图l所示,本发明的环形回流垂直风洞的动力系统1还包括一个集气段141,集气段141中设计了一个中心锥体1411,所述中心锥体1411由钢或其它材质制成,位于集气段141中心,与工作洞体4同轴心,高度与集气段141相近,顶角角度为45至60 。 Shown in Figure l, the ring of the present invention, the reflux vertical wind tunnel power system 1 also includes a gas collection section 141, section 141 gas collection in the design of a central cone 1411, the central cone made of steel or other materials 1411 made gas collection section 141 located in the center, and work with cave 4 axis, the height of the gas gathering segment 141 similar vertex angle of 45 to 60 . 所述中心锥体1411的作用是配合集气段141的外壁使集气段141的横截面随着气流上升而逐渐扩大,从而使来自多个风扇112的出口气流减速,平稳地进入工作洞体4,从而避免了将风扇112出口直接连接到工作洞体4时形成面积的突然扩大,降低了 The role of central cone 1411 is in line with the outer wall of the gas collection section 141 so that gas collection section 141 with the cross-section of air rising gradually expanded, so that the outlet air flow from the plurality of fans 112 decelerates smoothly into working cave 4, thus avoiding the fan 112 is directly connected to the sudden expansion of exports 4:00 cave formed work area, reducing the

能量损失。 Energy loss.

气流由底部通过集气段141比较平稳地进入工作洞体4的安定段42,在安定段42 还装有的使气流垂直向上的蜂窝器421,所述蜂窝器421的蜂窝格子口径为50至60mm,长度为500至600mm。 Relatively stable airflow 141 from the bottom into the air set by section 4 of the stable working cave section 42, section 42 is also equipped with the stability of the flow of air vertically upward cellular 421, 421 of the cellular honeycomb lattice diameter of 50 to 60mm, a length of 500 to 600mm.

工作气流进入收縮段43后,为保证进入工作段44的气流均匀、稳定,收縮段43 的侧面为收缩效果良好的流线型,收缩比(收缩比为入口面积与出口面积之比)为2.5 至4.0。 After working air into the contraction section 43, section 44 to enter the work in order to ensure uniform air flow, stable, shrinking the side section 43 is a good shrink effect, streamlined, shrinkage ratio (shrinkage ratio is the ratio of the area of the inlet and outlet area) of 2.5 to 4.0 .

工作段44底部设有安全网440,安全网440能够保证任何情况下工作段44中的人员不会坠入工作段44下方,并且为了避免人员下落时与安全网440相撞而造成伤害, 安全网440需要有足够的强度和适度的弹性。 44 has a safety net at the bottom of the working section 440, 440 safety net to ensure that the working section in any case does not fall into the bottom 44 staff working section 44, and the whereabouts of the persons in order to avoid a collision with safety nets 440 and cause injury, safety Network 440 need to have sufficient strength and moderate elasticity.

工作段44口径为3至4米,高度为3至6米,内部风速为50至65米/秒。 Working section 44 is 3-4 m diameter and a height of 3-6 m, the internal wind velocity is 50-65 m / sec. 工作段44分为下工作段441和上工作段442,下工作段441的外壁为直壁,有利于获得稳定的气流。 Work under section 44 into the working section 441 and section 442 on the work, the working section of the outer wall 441 is a straight wall, is conducive to stable airflow. 上工作段442为小角度扩张段,扩张角度的全角为6。 The working section 442 of the small-angle expansion section, the expansion angle of the whole angle of 6. 至8 ,以补偿壁面上附面层增长(空气粘性在物体表面上所形成的一层低速气体薄层称为附面层或边界层)以及避免飞行人员下坠速度过快。 To 8 , in order to compensate the wall boundary layer growth (a layer of thin air viscosity at low gas formed on the surface on the object called a boundary layer or boundary layer), and the flight crew to avoid excessive fall speed. 该上工作段442为主要飞行区,即人员主要在此段进行飞行训练或娱乐。 The working section 442 as the main flight zone, namely personnel mainly during this flight training or entertainment. 在本实施例中,工作段44以及外壳2与工作段44相对应处横截面为正八边形,如图3所示,与圆形相比,更便于安装玻璃,而且加工成本也大大降低。 In the present embodiment, the operating section 44 and the housing 2 and the working section 44 corresponds to a cross section at a regular octagon, as shown, compared with the circular, easier to install the glass, but also greatly reduces processing costs 3. 当然,在其他实施例中,该横截面也可以其它多边形或者圆形。 Of course, in other embodiments, the cross section may also be other polygonal or circular. 工作段44的侧面设有工作间和停靠区(图中未示),便于工作人员控制以及教练员和飞行者在风洞工作时停靠、 休息。 The side of the working section 44 is provided with workshops and docking area (not shown), to facilitate the work of staff and flight control, and coaches who work at the wind tunnel stops, rest. 工作段44和扩压段45交接处设有过渡填块450,将工作段44出口的多边形截面过渡到圆形,以与扩压段45有良好的连接。 Working section 44 and section 45 of the diffuser has a transition fill junction block 450, the transition section 44 of polygonal cross-section to a circular outlet to the diffuser section 45 has a good connection.

在工作段44中,为使飞行者能够获得翱翔天空的真实感觉,本发明的外壳2和工作洞体4与工作段44相对应处均由透明材料如:玻璃、亚克力等制成,外壳2其余部分可以为不透明的材料,如由玻璃钢、金属等制成,工作洞体4其余部分为钢或其它材质—制成。 In the working section 44, to make the flight were able to get the true feeling of flying in the sky, the housing 2 of the invention and working cave 4 and the working section 44 at a position corresponding by transparent materials such as: glass, acrylic, or the like, the housing 2 the rest may be an opaque material, such as steel made of glass, metal or the like, the remainder of the work 4 cave steel or other material - made. 当然,如果工作洞体内壁至少在工作段处设置电子屏幕或图画,也可以获得相类似的效果。 Of course, if you work at least the inner wall of the hole to set the electronic screen or picture in the segment of the work, you can get a similar effect.

扩压段45位于工作段44上方,扩压段45的扩散角度(扩散角为扩张壁面间夹角) 为8至12 ,以尽量减小高度并避免发生气流分离(过小的扩散角度造成扩压段过长, Diffuser segment 45 is located above the working section 44, the diffusion angle of the diffuser section 45 (the diffusion angle of expansion between the wall angle) of 8 to 12 , to minimize the height and avoid flow separation (small diffusion angle causing compression and expansion section is too long,

过大的扩散角使气流脱离壁面,造成流动分离)减小能量损失。 Too large diffusion angle so that air from the wall, causing flow separation) reduce energy loss.

回流导流器5的作用是将从工作洞体4顶部垂直向上流出的空气转变流向,改为垂直向下,从而实现本发明风洞的环形回流。 Deflector reflux for 5 from the working cave is 4 out of the top of the vertical upward flow of air change, read vertically downwards, in order to achieve the present invention the ring reflux wind tunnel. 回流导流器5的形状为倒扣的具有中心锥状物的碗状,其内凹的型面和内置多层分流隔板51及圆台表面形成的孔板52,将最大限度的减少能量的损失,且有利于气流的转向。 Reflux shape deflector 5 is upside down bowl with a central cone, the concave surface and built-in multi-split type separator plate 51 and the surface of a round table of 52, will reduce the maximum of energy loss, and is conducive to turning airflow. 在本实施例中回流导流器5中的整流装置为圆台表面形成的孔板52,当然,在其它实施例中也可以为其它形式。 Reflux deflector 5 fairing frustoconical orifice 52 formed on the surface in the present embodiment, of course, may have other forms in other embodiments. 工作气流沿回流导流器5向下进入位于外壳2和工作洞体4之间的回流段46,然后一路向下被送至风机入口进气段121,这样就完成了工作气流在本发明的风洞中的循环过程。 Working along reflux stream deflector 5 of the housing 2 and down into the cave reflux paragraph 4 work between 46 and all the way down to the inlet air is supplied to the fan section 121, thus completing the work stream in the present invention. wind tunnel cycle.

另外,为使经过长时间运行后风洞中的工作气体的温度不至于过高,同时确保工作段44中的空气保持新鲜,外壳2上部设有若干个排气窗21 ,下部设有若干个进气窗22。 In addition, after a long run so that after the temperature of the working gas in the wind tunnel not too high, while ensuring that the fresh air to keep the working section 44, the upper housing 2 has a plurality of exhaust windows 21, a lower portion provided with a plurality 22 into the transom. 随时都可根据情况控制进气量,使部分温度升高的工作气体可以通过排气窗21排出风洞系统,在排气窗21下面位置处设有阻尼网211,使阻尼网211上方的气压稍大于外界环境大气压,便于热的工作气体能够适量排出,同时,该网还有助于进一步降低回流段46中的噪音。 At any time can be under the circumstances controlling the intake air, so that part of the temperature rise of the working gas can be discharged through the exhaust window 21 tunnel system, with a damping network 211 at a location below the exhaust window 21, so that the damping network pressure above 211 slightly larger than the external ambient atmospheric pressure, to facilitate the appropriate amount of heat of the working gas can be discharged at the same time, the network also helps to further reduce noise in the reflux section 46. 与此同时,在回流段46下方设有多个进气窗22,外界环境中的新鲜空气通过进气窗22随时补充进风洞系统,以确保风洞中的工作气体在长时间运行期间温度适宜,新鲜。 Meanwhile, in the bottom section 46 is provided with a plurality of reflux into the transom 22, the external environment of fresh air through the air intake window 22 added at any time into the wind tunnel system to ensure the wind tunnel working gas temperature during the long-running fit, fresh.

风扇周围及集气段设有消音装置及消音材料(图中未示),确保了本发明的风洞具有低噪音特点。 Set around the fan and gas segment has a silencer and silencer material (not shown), to ensure that the wind tunnel of the present invention has a low noise characteristics.

外壳2和工作洞体4之间设有电梯(图中未示),以方便人员出入工作段44。 There is a lift (not shown) between 4 and working cave housing 2 to facilitate the work of personnel access segment 44.

在其它实施例中,环形回流垂直风洞与上述实施例中的基本相同,但为了安装方便, 下置的动力系统也可以不置于地坑之中,而是置于地面以上;此时,由于空气流动不会受到地坑的影响,且使设备更加简化。 In other embodiments, the annular reflux vertical wind tunnel with the above embodiment is substantially the same, but for ease of installation, the next set of power system may not be placed into the pit, but placed above ground; At this time, since the air flow is not affected by the pit, and make the device more streamlined.

显然,本发明的上述实施例仅仅是为清楚地说明本发明所作的举例,而并非是对本发明的实施方式的限定。 Obviously, the above-described embodiments of the present invention is merely to clearly illustrate the present invention made by way of example, and not limitative of the embodiments of the present invention. 对于所属领域的普通技术人员来说,在上述说明的基础上还可以做出其它不同形式的变化或变动。 For ordinary skill in the art that, in the above description of the change or changes may be made of various other forms. 这里无需也无法对所有的实施方式予以穷举。 It can not be here without exhaustive of all embodiments. 而这些属于本发明的精神所引伸出的显而易见的变化或变动仍处于本发明的保护范围之中。 Changes or variations of these obvious spirit of the present invention belong corollary is still in the midst of the scope of the invention.

8 8

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Classifications
International ClassificationG01M9/02
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