200916663 九、發明說明： 【發明所屬之技術領域】 本發明係有關於一種降低噪音 洛可風扇及空氣調和裝置。 並使送風特 性提升的西 【先前技術】 在習知技術中，西洛可風扇中， 渦管吹出的空氣流的—部份會從肖知從渦捲狀的 而產生逆流的現象。當產生逆二風扇内部流動 流產生衝突，不僅送風量降低,…二於與吸入空氣 抑制相關的逆流現象，形成渦管 、匕，為了 圓周方向的區域產生變化。(例如泉昭：錯口的形狀在 除了舌部之外，設置輔助舌部從舌部；==1)°又， 獻2)。 大出（例如參照專利文 1 261 93號公報（第t -138268號公報（第200916663 IX. DESCRIPTION OF THE INVENTION: TECHNICAL FIELD OF THE INVENTION The present invention relates to a noise reduction roco fan and an air blending device. West which improves the air supply characteristics [Prior Art] In the prior art, in the sirocco fan, the portion of the air flow blown by the scroll will be reversed from the vortex. When there is a conflict in the internal flow of the counter-fan, not only the amount of blown air is reduced, but also the countercurrent phenomenon associated with the suppression of the intake air, forming a scroll and a weir, and changing the area in the circumferential direction. (For example, Izumi: The shape of the wrong mouth is in addition to the tongue, and the auxiliary tongue is set from the tongue; ==1) °, and 2). Large out (for example, refer to Patent Document 1 261 93 (T-138268 (No.)
專利文獻1:特開平9 - -5頁，圖 4頁，圖Patent Document 1: Special Kaiping 9 - 5 pages, Figure 4, Figure
圖2) 專利文獻2 :特開2 〇 〇 6 圖3) 【發明内容】 [發明所欲解決的問題] 方面在格载習知的西、夂 町四〜了風扇的空氣調和裝 中，在既定噪音值時西洛 扳置 ^ 各T風扇的吹出風量變小，由於 父換器性能降低，壓縮機 、，、'、 钱的負载變大，C0P(性能係數）降 2148-9541-PF;Chentf 5 200916663 低’，為了抑㈣P降低’當西洛可風扇的吹出風量變大 時，°呆音值變大，會給予使用者不舒服的感覺。 有鑑於此，本發明的目的在於提供—種西洛可風扇及 具備該西洛可風扇的空氣調和裝i ’使既定噪音時的風量 變大，換言之在既定風量時可減低噪音值及轉數。 又，本發明的其他的目的為藉由形成渦管的形狀而抑 制逆流現象，保持既定風量並降低噪音值。 [解決問題的手段] +贫明的西洛可風扇包括 =並具有排列成圓筒狀的複數個翼片的風扇本體、以及 該風扇本體的馬達，其中上述渦f在渦捲狀的外 , 便上逆馬達的轉軸位於 #近上述渦管的舌部的該直線部的位置上。 [發明之效果] 該渦可風扇包括涡管、可旋轉地配置於 以及 叙排列成圓筒狀的複數個翼片的風扇本體、 m«該⑽本體的馬達，其甲上 的外形上具有略呈平行 …捲狀 位於靠近上述πμ μ 直線$，使上述馬達的轉軸 办近上这屑官的舌部的該直線部的位置上 既定噪音時的風量變大，… 错此了使 仃工s周時，可提升C0P。 【實施方式】 以下，參照圖式 眚,…t L兒明本發明的實施形態 貫施形態1 -954l-PF；chentf 6 200916663 第1 a、1 b圖為本發明的實施形態1的具備西洛可風扇 的空氣調和裝置的室内單元的内部構造的平面圖與側視 圖0 f'.Fig. 2) Patent Document 2: Special Opening 2 〇〇 6 Fig. 3) [Summary of the Invention] [Problems to be Solved by the Invention] In the air conditioning of the fan, the West, and the 夂 四 ～ When the noise value is set, the Silo triggers the air volume of each T fan to become smaller. Due to the lower performance of the parent converter, the load of the compressor, and, ', money becomes larger, and the COP (performance coefficient) drops 2148-9541-PF; Chentf 5 200916663 Low ', in order to suppress (four) P lowering 'When the volume of the air blown by the sirocco fan becomes larger, the value of the lingering sound becomes larger, giving the user an uncomfortable feeling. In view of the above, an object of the present invention is to provide a sirocco fan and an air conditioning device having the sirocco fan, which can increase the air volume at a predetermined noise, in other words, reduce the noise value and the number of revolutions at a predetermined air volume. . Further, another object of the present invention is to suppress the backflow phenomenon by forming the shape of the scroll, to maintain a predetermined air volume and to reduce the noise value. [Means for Solving the Problem] + A poor sirocco fan includes a fan body having a plurality of fins arranged in a cylindrical shape, and a motor of the fan body, wherein the vortex f is outside the spiral shape, The rotation axis of the upper reverse motor is located at the position of the straight portion of the tongue of the scroll. [Effects of the Invention] The vortex fan includes a scroll tube, a fan body rotatably disposed in a plurality of fins arranged in a cylindrical shape, and a motor of the main body of the (10) body. It is parallel...the volume is located close to the above-mentioned πμ μ straight line $, so that the air shaft of the above-mentioned motor is close to the position of the straight portion of the tongue of the chip, and the air volume at the predetermined noise becomes large, and the wrong one makes the completion s In the week, the COP can be upgraded. [Embodiment] Hereinafter, an embodiment of the present invention will be described with reference to the drawings: -1 L L L L L L L L l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l Plan view and side view of the internal structure of the indoor unit of the Arcco fan air conditioning unit 0 f'.
在第1圖中，1〇為構成室内空調機的室内單元，包括 對西洛可風扇1、同時旋轉驅動該等西洛可風扇1的風 扇馬達2、與從西洛可風扇丨吹出的空氣進行熱交換的熱 父換器3。西洛可風扇i具有渦捲狀的渦管6以及可旋轉 地配置於渦官6内並具有排列成圓筒狀的複數個翼片的風 扇本體。圖中，4為空氣吸入口，5為冷風或溫風的吹出口， 7為風扇馬達2的轉轴，8為舌部。 上述室内單元1 〇具備未圖示的壓縮機、冷凝器、膨脹 閥及蒸發器所構成的冷媒的冷凍回路而進行室内的冷房或: 暖房的構造。X ’本實施形態】中的一例，西洛可風扇工 為風扇直徑Φ為160議，寬度尺寸為190mm，翼片數量為 片’熱交換g 3具有12段傳熱管，該傳熱管的列間距 為12.7mm，段間距為20·4_，傳熱管轴方向長度為7〇〇職， 通風阻抗:速度[m/s])。 —室内的空氣從室内單元10的吸入口 4吸入，而且從渦 f 6的吸入口轴向吸入。由風扇馬達2驅動而在渴管6内 旋轉的圓筒狀的翼片列給予動壓與靜壓的空氣從開口於室 :單元1〇的風路内的吐出口吹出，與設置於該風路内的孰 =換器3做熱交換，成為冷風或温風而從吹出^ 5吹出至 室内。 的馬達的轉軸與鈐鐺口 第2圖為本發明的實施形態 2148-9541-PF;Chentf 7 200916663 的中心的位置關係的圖，點 馬達2的轉軸的中心（風扇的 0為鈴鐺D 9的中， 旋轉中心）。 點P為 上具有略呈平行 7的中心係配置 風扇旋轉十心p 偏心位置係設置 本實施形態的滿管6在渦捲狀的外形 的二個直線部12、13,風扇馬達2的轉輕 於靠近渦管6的舌部8的直線部丨2。即， 係相對於鈐鐺口中心〇而偏心之同時，节 於偏向靠近舌部8的直線部12。 r% x 衣丄尸/f不 •V 上 urn /m 1 ur 從表1可知，0P為2_時，噪音值、轉數變小。 接著說明其理由。在表2表示〇p的長度為〇_、轉麥In Fig. 1, 1〇 is an indoor unit constituting an indoor air conditioner, and includes a fan motor 2 for simultaneously rotating the sirocco fan 1 and an air blown from the sirocco fan 1 A hot parent converter 3 that performs heat exchange. The sirocco fan i has a scroll-shaped scroll 6 and a fan body rotatably disposed in the vortex 6 and having a plurality of fins arranged in a cylindrical shape. In the figure, 4 is an air intake port, 5 is a blower port for cold air or warm air, 7 is a rotating shaft of the fan motor 2, and 8 is a tongue. The indoor unit 1 includes a refrigeration circuit including a compressor, a condenser, an expansion valve, and an evaporator (not shown) to perform a cold room in the room or a greenhouse. In an example of X 'this embodiment, the sirocco fan has a fan diameter of Φ of 160 and a width of 190 mm, and the number of fins is a sheet of heat exchange g 3 having 12 sections of heat transfer tubes, the heat transfer tubes The column spacing is 12.7 mm, the segment spacing is 20·4 _, the length of the heat transfer tube axis is 7 〇〇, ventilation resistance: speed [m/s]). - The indoor air is taken in from the suction port 4 of the indoor unit 10, and is sucked in from the suction port of the vortex f 6 in the axial direction. The cylindrical fin array that is driven by the fan motor 2 and rotated in the thirteen tube 6 supplies air for dynamic pressure and static pressure from the discharge port in the air passage opening to the chamber: unit 1〇, and is installed in the wind. The 孰=changer 3 in the road performs heat exchange, and is blown out to the room from the blown air 5 by cold air or warm air. Fig. 2 is a view showing the positional relationship of the center of the embodiment 2148-9541-PF; Chent 7 200916663 of the present invention, and the center of the rotating shaft of the point motor 2 (the 0 of the fan is the bell D 9) Medium, rotating center). The point P is a center line having a slightly parallel parallel arrangement. The fan rotates at the center of ten. The eccentric position is provided. The two straight portions 12 and 13 of the full-tube 6 of the present embodiment are formed in a spiral shape, and the fan motor 2 is lightly turned. It is near the straight portion 丨2 of the tongue 8 of the scroll 6. That is, it is eccentric with respect to the center of the mouth, and is also biased toward the straight portion 12 of the tongue 8. r% x 丄 丄 / f not • V urn / m 1 ur As can be seen from Table 1, when 0P is 2_, the noise value and the number of revolutions become smaller. Next, the reason will be explained. Table 2 shows that the length of 〇p is 〇_, 麦麦
長度為Omm、2mm時的噪音值、轉數ς 表1 16mVmin時的噪音值、轉數 OP長度 0刪 2mm 噪音值dB 45.8 45.3 轉數rpm ΓΪ03 ~ 1092 為。ll〇3rpm時，0P的長度為2_、轉數為i〇92rpm時的萬 間最大風量。風量為1 6m3/min。 表2 16mVmi η時翼間最 翼間最大風量mVmin 0mm —— 2mm 0.682 0.661 0Ρ長度 由表2，翼間最大風量0P長度為2_的較小。聲壓能 i與速度的6倍成比例，噪音值以下列式子表示 SPL= 10 l〇g,〇(p/p〇)2 [dB] p ··聲壓能量[Pa]，p〇 : 2xlO—5[PaJ D喿音值變小，即，為了使聲壓能變小，最大速度有效 地變小’西洛可風扇在翼間風量分佈不平均的情況下，翼 2148-9541-PF；Chentf 8 200916663 間風量的最大值變/ 實施形態2 第3圖為本發 在本實施形態中， 0)。 明的 鈐靖 實施形態2的渦管的 啦狀的圖。但， 口中心與旋轉Noise value and number of revolutions when the length is Omm, 2mm ς Table 1 Noise value at 16mVmin, number of revolutions OP length 0 Delete 2mm Noise value dB 45.8 45.3 Number of revolutions rpm ΓΪ03 ~ 1092 When ll 〇 3 rpm, the length of 0P is 2_, and the maximum number of revolutions when the number of revolutions is i 〇 92 rpm. The air volume is 16 m3/min. Table 2 Maximum airflow between the wings of the 16mVmi η mVmin 0mm —— 2mm 0.682 0.661 0Ρ Length From Table 2, the maximum air volume between the wings 0P is smaller than 2_. The sound pressure energy i is proportional to 6 times the speed. The noise value is expressed by the following equation: SPL = 10 l〇g, 〇(p/p〇) 2 [dB] p · Sound pressure energy [Pa], p〇: 2xlO—5[PaJ D 喿 值 变 , , , , , , , , , , , , 为了 为了 为了 为了 为了 为了 为了 为了 为了 为了 为了 为了 为了 为了 为了 为了 为了 为了 为了 为了 为了 为了 为了 148 148 148 148 148 148 148 148 148 148 148 148 148 ; Chentf 8 200916663 Maximum change in air volume / Embodiment 2 Fig. 3 is the present embodiment in this embodiment, 0). Appeasement of the Ming Dynasty The diagram of the scroll of the embodiment 2 is shown. But, the center of the mouth and the rotation
致（偏心量為 渦管6在渦捲狀的外形上具有 FU、：EB，二條直線 ^ 千仃的二個直線苦 FH、EB平行且通過於的取紐距離為⑶’與渴管的直線奇 點為" 口中心、Q的平行線與渴管外形的5 乂 形與風扇旋轉中心。的距離為最墙 官外形上的點為點R，、s、ra ^ ~取入Θ7成 通過風扇旋轉中心〇而垂 的直線部FH、EB阽千姑t 叩ϊ置於屬官 ' ^線與渦管的直線部FH、 點C、，點G，風扇半押A p給λ 的又點為 為R，線0Α與線0Β的夾角為β。 表不S知的渦營形壯 n/rr , Λ 形狀的曲線fghabce為對數螺旋， R/CG大約為〇· 68，由 疋 '本只轭形態中0.72SR/CGS0.82, 風扇直徑變小，為了 J无疋的風量，轉數必須變大。 ^另 > 方面# R/CG變大時，為了得到既定的風量 > 轉 H „ 接近風扇，風量集中於接近線EB的翼 片間，噪音值變大。 異 於此，R/CG轡夬夕π 口士 之同日守’曲線AB從對數螺旋脫離風 扇’曲線AB附近的習y π 翼片間風I變大，此時，線Εβ附近的 翼片間風量變少。 表3表不驾知形狀的渦管形狀為^⑶二u8的情況 (例 1)以及 R/CGH (〇c —r)/r=〇375、θ=6〇。的情 、（例2)至内早兀的吹出風量為—3/min時的噪音值與 2l48-9541-PF；Chentf 9 200916663 轉數 例1 嗓音值dB 45.3 轉數rpm 1092 —-- 如表 3 所示，R/CG= 0. π，/D n (〇C-R)/R=： 〇. 375，0 的渴管形狀的本實施形態的西洛可風扇與習知的呈 螺旋渴管形狀的西洛可風扇相比，r/cg值較大，藉文 AB從風扇分離，噪音值、轉數變小。 银 而且，針對（〇C-R)/R的上卩 值，S渦管6的直線部EB 44風扇外周端的距離大於〇 4 5日士 , .4b日守，由於送風量降低且哮立 變大，因此（〇c-r)/rs〇_45。 * 曰 實施形態3 第4圖表示風扇本、風扇馬達以及馬達支持台 14組合時的立體圖。第5圖為馬達支持台 15時的立體圖。第6圖為馬達 ，八風口 的立體圖。 達支持台Η上有通風口 15時 馬達 *二，“表示室内單元的吹出風量為黯mi 支持台有及無通風口時的噪音值與轉數。(The eccentricity is that the scroll 6 has FU, EB in the shape of a spiral, two straight lines of two straight lines ^ 仃, the EB parallel and the straight line distance of (3)' and the thirsty tube The singularity is the center of the mouth, the parallel line of Q and the shape of the 5th shape of the thirsty tube and the center of rotation of the fan. The distance between the shape of the most wall official is the point R, s, ra ^ ~ take in Θ 7 The straight portion FH and EB 阽 姑 姑 t 叩ϊ 风扇 叩ϊ 叩ϊ 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇 风扇For R, the angle between line 0Α and line 0Β is β. The vortex camp is strong and n/rr, Λ The shape of the curve fghabce is logarithmic spiral, R/CG is about 〇·68, due to 疋In the yoke form, 0.72SR/CGS0.82, the fan diameter becomes small, and the number of revolutions must be increased for J's flawless air volume. ^Others> Aspect # When R/CG becomes large, in order to obtain a given air volume> „ Close to the fan, the air volume is concentrated between the fins close to the line EB, and the noise value becomes larger. Unlike this, R/CG π π π 之 之 ' ' 'curve AB from the logarithmic spiral off the wind 'In the vicinity of the curve AB, the wind y φ between the fins becomes larger. At this time, the air volume between the fins near the line Εβ decreases. Table 3 shows the case where the shape of the scroll is ^(3) two u8 (example) 1) and R/CGH (〇c - r) / r = 〇 375, θ = 6 〇. (2) The noise value of the airflow to the early 兀 is -3/min and 2l48-9541 -PF;Chentf 9 200916663 Number of revolutions 1 Arpeggio value dB 45.3 Number of revolutions rpm 1092 —-- As shown in Table 3, R/CG = 0. π, /D n (〇CR)/R=: 〇. 375, The sirocco fan of the present embodiment having a quenching tube shape of 0 has a larger r/cg value than the conventional sirocco fan having a spiral thirteen tube shape, and the borrowing text AB is separated from the fan, and the noise value and the number of revolutions are In addition, for the upper 卩 value of (〇CR)/R, the distance between the outer peripheral end of the straight portion EB 44 of the S scroll 6 is greater than 〇45 士士, .4b 守守, because the air supply volume is reduced and stands (〇cr)/rs〇_45. * 曰 Embodiment 3 Fig. 4 is a perspective view showing a combination of a fan unit, a fan motor, and a motor support table 14. Fig. 5 is a perspective view of the motor support table 15. Figure 6 shows the motor, eight winds Stereo view of the mouth. There is a vent on the support table. 15 hours Motor *2, "The air volume of the indoor unit is 噪音mi. The noise value and number of revolutions when the support station has and without a vent.
$_生16m3/min時的唾奇倌、棘黏 馬； :、 ---— —-~~±__iuyz 從表4可知，當馬達支持- 不㈣，品$ j ^ D八有通風口時，轉數幾乎 ’交，而D呆曰值變小。1理由异民、告+ π , 由疋馬達支持台14上不且備通 風口 15時，由風扇產 ' 文動傳遞至馬達支持台1 4， 10 2148-9541-PF；Chentf 200916663 ::j支持台14的壁面產生靜屢變動而成為噪 支持口 14具有通風口 15時，風 θ ，·、、達 在馬達支持a u ^ & μ 生的諍壓變動彼此 逐又待口 U附近的空間中抵銷而可抑 14的壁面的靜壓變動。 馬達支持台 又，由於轉數幾乎不變，即使在 ， 風口 &西洛可風扇的吸入空間也 置通 τ όιί. Θ笑化。而且，如 所述’在馬達支持台14設置通風 上述實施形態1與實施形態2的組合。仏也可以是 實施形態4 第7圖為本實施形態的渦管 條“的立體圖。第8圖為其側視圖/"的兩側上設置肋 土肋條16的為略呈長方形，離風扇16的風扇本體^最 :的：為點Χ’離舌部8的圓弧部的風扇本體Η最遠㈣ 為點γ，離本體η最近的點相Ζ，線批ΧΖ。 又，第9圖表示無肋侔 忠八η 則条16日文垂直於吹出口 18的速度 成分。在第9圖中，吹屮π 9Π /Λ π ^ 出18的以點線表示的逆流區域 2〇攸風扇的外部向内部流動。在第圖中，為了證明逆 :現象’例如以煙從吸入口 17上的線心入時的流線表 ΤΤΤ 〇 表5表示室内單㈣吹出風量為心/心中 具有及$_ raw 16m3/min when the singularity, thorny sticky horse; :, ------~~±__iuyz From Table 4, when the motor supports - not (four), the product $ j ^ D eight have vents The number of revolutions is almost 'cross, and the value of D is small. 1 Reasons for different people, sue + π, due to the fact that the fan support 15 is not provided on the motor support table 14, the fan is transferred to the motor support station 1 4, 10 2148-9541-PF; Chentf 200916663 ::j When the wall surface of the support table 14 is statically changed, and the noise support port 14 has the vent 15, the wind θ, ·, reaches the space where the motor supports the au ^ & μ raw rolling fluctuations and the vicinity of the mouth U In the middle of the offset, the static pressure variation of the wall of 14 can be suppressed. Motor support table In addition, since the number of revolutions is almost the same, even in the air intake & The sirocco fan's suction space is also set to τ όιί. Further, as described above, the motor support table 14 is provided with ventilation. The combination of the first embodiment and the second embodiment is combined.仏 实施 实施 第 第 第 第 第 第 第 第 第 第 第 第 第 第 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 16 16 16 16 16 16 16 The fan body ^ is the most: the point that is the farthest from the fan body of the arc portion of the tongue 8 (four) is the point γ, the point closest to the body η is opposite to the line, and the line is batch. The ribless 侔 八 η η 条 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 Internal flow. In the figure, in order to prove the inverse: the phenomenon 'for example, the flow line when the smoke enters from the center of the suction port 17 〇 5 Table 5 indicates that the indoor single (four) blown air volume has a heart/heart
不具有肋條時的噪音值與轉數 ,5 l6mVmii|時的噪音值與y盤 月Λ格 ~ ^ ~~' °喿音值dBNoise value and number of revolutions without ribs, noise value at 5 l6mVmii| and y disk monthly grid ~ ^ ~~' ° 喿 sound value dB
Lj〇92_ 2148-9541-PF;Ghentf 11 200916663 如表5所示，藉由設置肋條，可使nA立 成木《值及轉數變小。 其理由是在無肋條而具有熱交換器等的、、* J机動的阻抗體的情 況，阻抗體的通風阻抗變大，在第9圖祕- 矛y圖所不的西洛可風扇 的吹出口 18中，會產生風從吹出口 丄《朝風扇内部的逆流 現象’此乃噪音值、轉數增大的原因。釦货t n 如第10圖所示，從 主板側的翼片間吹出的風沿著渦管向讲技 snl/尚管的兩端，在舌部 8的兩端附近，不會流入吹出口 1 8，而a 而疋流入舌部8與風 r 扇本體U的間隙’甚至流入翼片之間，從主板側的翼片之 間吹出’產生向渦管的外部吹出的氣流22。當如此的氣流 時，在舌部兩端附近，壁面的靜壓變動變大，產生複數次 通過翼間的氣流，#由在風扇内部循環的風量增加，由於 翼片間風量也增加，翼面的靜壓變動也變大，噪音值增大。 另-方面’具有肋條16的情況下，從主板側的翼曰片間 吹出的風沿著渦管向渦管的兩端， ^ 隹古0卩8的兩端附近， 不流入吹出口 18而流入舌部8盘厨戶太辨彳 | 〇興風扇本體11的間隙的流 量減少’與表5所示的不具備肋條的情況相比，噪音值、 轉數變小。而且’肋條16的寬度的範圍為5〜ι〇_… 本實施形態的肋條16的構造可以是上述實施形態卜3中 的任一種的構造及其組合。 【圖式簡單說明】 第la、lb圖為具備本發 的空氣調和裝置的室内單元 側視圖。 明的實施形態1的西洛可風扇 的内部構造的示意的平面圖與 12 2148-9541-PF/Chentf 200916663 第2圖為實施形態1中的鈴錯 的位置關係的圖。 口的中心與轉軸的 中心 第3圖為實施形態2的渦管形狀的圖。 第4圖為實施形態3的馬達支持台、風 本體的組立體的立體圖。 風扇 第5 第6 第7 的不意圖 Λ. 圖為第4圖的馬達支持台的立體圖。 圖為在馬達支持台設置通風口的立體圖。 圖為實施形態4中在渴管的舌部的兩端設置肋條 第8圖為第7圖肋條的側面。 第9圖為西洛可風扇的吹出口的速度分佈圖。 第10圖西洛可風扇的吹出口的逆流現 【主要元件符號說明】 1〜西洛可風扇； 2、 一風扇馬達； 3〜熱交換器； 4、 "及入口； 5〜吹出口； 6、 X ,Γ3,々々 ^ Τ ； 7〜轉軸； 8、 1部； 9〜鈐鐺口； 10 〜室内單元； Π〜風扇本體； 12 〜直線部； 1 3〜直線部； 14- 〜馬達支持台； 15〜通風口； 16, 〜肋條； Π〜吸入口； 1 8〜吹出口； 2 0〜逆流區域； 22' 〜氣流。 2148-9541-PF；chentf 13Lj〇92_ 2148-9541-PF; Ghentf 11 200916663 As shown in Table 5, by setting the ribs, nA can be made into wood, and the value and the number of revolutions become smaller. The reason is that when there is a rib without a rib and a *J motorized resistor body, the ventilation resistance of the resistor body becomes large, and the sirocco fan blows in the ninth figure - the spear In the outlet 18, there is a cause of the increase in the noise value and the number of revolutions from the blowout port "the counterflow phenomenon toward the inside of the fan". Deduction of goods tn As shown in Fig. 10, the wind blown from the fins on the main board side along the scroll to the ends of the slug/swing tube, near the ends of the tongue 8, does not flow into the blowout port 1 8, and a, the gap between the inflow into the tongue 8 and the wind fan body U, even flows between the fins, and blows out from between the fins on the main board side to generate a flow 22 that is blown toward the outside of the scroll. When such a gas flow occurs, the static pressure fluctuation of the wall surface becomes large near the both ends of the tongue, and the airflow passing through the airfoil is generated plural times. #The air volume circulating inside the fan increases, and the air volume between the airfoil increases, the airfoil surface The static pressure variation also becomes larger, and the noise value increases. On the other hand, in the case of the rib 16 , the wind blown from the blade pieces on the main plate side flows along the scroll to the both ends of the scroll, and near the both ends of the 卩 0 0, does not flow into the blowout port 18 The flow rate of the gap in the gap between the fan body 11 and the fan is reduced. The noise value and the number of revolutions are smaller than those in the case where the rib is not shown in Table 5. Further, the width of the rib 16 is in the range of 5 to ι 〇. The structure of the rib 16 of the present embodiment may be any of the structures of the above-described embodiment 3 and a combination thereof. BRIEF DESCRIPTION OF THE DRAWINGS The first and fifth figures are side views of an indoor unit having the air conditioning apparatus of the present invention. A schematic plan view of the internal structure of the sirocco fan of the first embodiment and a view of the positional relationship of the ring error in the first embodiment are shown in Fig. 2 2148-9541-PF/Chentf 200916663. Center of the port and center of the rotating shaft Fig. 3 is a view showing the shape of the scroll of the second embodiment. Fig. 4 is a perspective view showing a three-dimensional perspective view of the motor support table and the wind main body of the third embodiment. Fan No. 5, No. 6 and No. 7 图. The figure is a perspective view of the motor support table of Fig. 4. The picture shows a perspective view of the vents on the motor support. In the fourth embodiment, ribs are provided at both ends of the tongue portion of the thirsty tube. Fig. 8 is a side view of the rib of Fig. 7. Figure 9 is a velocity distribution diagram of the outlet of the sirocco fan. Figure 10: The backflow of the sirocco fan's blowout port [main component symbol description] 1 ~ sirocco fan; 2, a fan motor; 3 ~ heat exchanger; 4, " and inlet; 5 ~ blowout; 6, X, Γ 3, 々々 ^ Τ; 7 ~ shaft; 8, 1; 9 ~ ;; 10 ~ indoor unit; Π ~ fan body; 12 ~ straight section; 1 3 ~ straight section; 14- ~ Motor support table; 15 ~ vents; 16, ~ ribs; Π ~ suction port; 1 8 ~ blow outlet; 2 0 ~ counterflow area; 22' ~ airflow. 2148-9541-PF;chentf 13