[實(shí)用新型]一種低噪音大風(fēng)量軸流風(fēng)機(jī)

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• 申請(qǐng)?zhí)枺?/td>: 200820106596.3
• 申請(qǐng)日: 2008-11-18
• 公開（公告）號(hào): CN201301831Y
• 公開（公告）日: 2009-09-02
• 發(fā)明（設(shè)計(jì)）人: 慕建國(guó)
• 申請(qǐng)（專利權(quán)）人: 石家莊紅葉風(fēng)機(jī)有限公司
• 主分類號(hào): F04D29/38
• 分類號(hào): F04D29/38
• 代理公司: 石家莊冀科專利商標(biāo)事務(wù)所有限公司
• 代理人: 曹淑敏;高錫明

1、一種低噪音大風(fēng)量軸流風(fēng)機(jī)，包括殼體(8)、輪轂(7)以及設(shè)置于輪轂周圍的機(jī)翼形葉片(4)，其特征是，所述葉片(4)的幾何形狀由其截面的幾何形狀和截面的空間位置確定：

a、葉片截面的幾何形狀由下述參數(shù)確定：

以六個(gè)不同半徑的以葉片(4)的轉(zhuǎn)動(dòng)軸為軸線的圓柱面截割葉片(4)，在每個(gè)截面展開平面內(nèi)以截面前端為原點(diǎn)的直角坐標(biāo)系中，各截面外緣上相應(yīng)點(diǎn)的坐標(biāo)值為：

第一截面(半徑R＝99.7mm)：

X/B????????x(mm)????????Y1(mm)????????Y2(mm)

0??????????0.0??????????0.0???????????0.0

0.002??????0.2??????????2.8???????????-2.9

0.005??????0.5??????????4.3???????????-3.8

0.0125?????1.3??????????6.0???????????-4.8

0.025??????2.7??????????7.8???????????-6.0

0.05???????5.4??????????10.4??????????-8.1

0.1????????10.7?????????13.5??????????-10.6

0.2????????21.4?????????16.8??????????-13.2

0.3????????32.1?????????18.5??????????-14.4

0.4????????42.8?????????19.1??????????-14.6

0.5????????53.6?????????18.6??????????-13.9

0.6????????64.3?????????17.0??????????-12.7

0.7????????75.0?????????14.6??????????-10.9

0.8????????85.7?????????11.5??????????-8.9

0.9????????96.4?????????7.5???????????-6.5

0.95???????101.8????????5.4???????????-5.2

1??????????107.1????????0.0???????????0.0

第二截面(半徑R＝134.7mm)：

X/B????????x(mm)????????Y1(mm)????????Y2(mm)

0??????????0.0??????????0.0???????????0.0

0.002??????0.3??????????2.2???????????-1.7

0.005??????0.8??????????3.5???????????-2.5

0.0125?????2.1??????????5.2???????????-3.5

0.025??????4.1??????????7.1???????????-4.6

0.05???????8.2??????????9.5???????????-6.1

0.1????????16.4?????????12.4??????????-8.1

0.2????????32.9?????????15.6??????????-10.2

0.3????????49.4?????????17.2??????????-11.1

0.4????????65.8?????????17.8??????????-11.1

0.5????????82.3?????????17.4??????????-10.5

0.6????????98.7?????????15.8??????????-8.8

0.7????????115.2????????12.9??????????-5.9

0.8????????131.6????????8.9???????????-2.8

0.9????????148.1????????4.4???????????-0.6

0.95???????156.3????????2.2???????????-0.4

1??????????164.5????????-0.1??????????-1.3

第三截面(半徑R＝234.7mm)：

X/B????????x(mm)????????Y1(mm)????????Y2(mm)

0??????????0.0??????????0.0???????????0.0

0.002??????0.3??????????1.7???????????-1.2

0.005??????0.7??????????2.7???????????-1.9

0.0125?????1.8??????????4.1???????????-2.7

0.025??????3.6??????????5.7???????????-3.6

0.05???????7.2??????????7.6???????????-4.7

0.1????????14.4?????????9.9???????????-6.2

0.2????????28.8????????12.6????????-7.9

0.3????????43.2????????13.9????????-8.5

0.4????????57.5????????14.3????????-8.6

0.5????????71.9????????14.0????????-8.0

0.6????????86.3????????12.8????????-6.6

0.7????????100.7???????10.5????????-4.4

0.8????????115.1???????7.3?????????-2.0

0.9????????129.4???????3.7?????????-0.4

0.95???????136.7???????1.8?????????-0.3

1??????????143.9???????-0.1????????-1.1

第四截面(半徑R＝334.7mm)：

X/B????????x(mm)???????Y1(mm)??????Y2(mm)

0??????????0.0?????????0.0?????????0.0

0.002??????0.3?????????1.3?????????-0.9

0.005??????0.6?????????2.1?????????-1.3

0.0125?????1.5?????????3.2?????????-2.0

0.025??????2.9?????????4.4?????????-2.7

0.05???????5.9?????????5.9?????????-3.5

0.1????????11.8????????7.7?????????-4.6

0.2????????23.6????????9.7?????????-5.9

0.3????????35.3????????10.7????????-6.4

0.4????????47.1????????11.1????????-6.4

0.5????????58.9????????10.9????????-6.0

0.6????????70.6????????9.9?????????-4.9

0.7????????82.4????????8.2?????????-3.2

0.8????????94.2????????5.7?????????-1.4

0.9????????105.9???????2.9?????????-0.3

0.95???????111.8???????1.4?????????-0.3

1????????117.7????????-0.1????????-0.9

第五截面(半徑R＝434.7mm)：

X/B??????x(mm)????????Y1(mm)??????Y2(mm)

0????????0.0??????????0.0?????????0.0

0.002????0.2??????????1.1????????-0.6

0.005????0.5??????????1.7????????-1.0

0.0125???1.3??????????2.7????????-1.6

0.025????2.7??????????3.7????????-2.2

0.05?????5.3??????????5.0????????-2.9

0.1??????10.7?????????6.6????????-3.8

0.2??????21.3?????????8.3????????-4.8

0.3??????32.0?????????9.2????????-5.2

0.4??????42.7?????????9.4????????-5.2

0.5??????53.3?????????9.3????????-4.8

0.6??????64.0?????????8.5????????-3.9

0.7??????74.7?????????7.0????????-2.5

0.8??????85.3?????????4.9????????-1.1

0.9??????96.0?????????2.5????????-0.2

0.95?????101.3????????1.2????????-0.2

1????????106.7????????-0.2???????-0.8

第六截面(半徑R＝500mm)：

X/B??????x(mm)????????Y1(mm)?????Y2(mm)

0????????0.0??????????0.0????????0.0

0.002????0.2??????????1.0????????-0.5

0.005????0.5??????????1.6????????-0.9

0.0125???1.3??????????2.5????????-1.5

0.025????2.6??????????3.5????????-2.0

0.05?????5.2??????????4.7????????-2.6

0.1????????10.4????????6.1????????-3.4

0.2????????20.9????????7.8????????-4.4

0.3????????31.3????????8.6????????-4.7

0.4????????41.8????????8.9????????-4.7

0.5????????52.2????????8.7????????-4.4

0.6????????62.6????????8.0????????-3.5

0.7????????73.1????????6.6????????-2.2

0.8????????83.5????????4.7????????-0.9

0.9????????93.9????????2.4????????-0.1

0.95???????99.2????????1.2????????-0.2

1??????????104.4???????-0.2???????-0.8

其中B為截面的最大弦長(zhǎng)；

b、葉片截面的空間位置由下述參數(shù)確定：

各截面展開平面內(nèi)的直角坐標(biāo)系的原點(diǎn)位于葉片漿根(9)中軸線(OP)上，且其Y軸平行于葉片轉(zhuǎn)動(dòng)軸，X軸與截割葉片的圓柱面相切時(shí)，各截面繞直角坐標(biāo)系的原點(diǎn)順時(shí)針轉(zhuǎn)角(φ)以及轉(zhuǎn)動(dòng)后向X軸反向位移(A)、向Y軸正方向位移(H)的值為：

???????????φ(°)??????A??????????H

第一截面???35.5????????38.4???????24.8

第二截面???35.1????????59.8???????38.3

第三截面???28.2????????56.0???????27.0

第四截面???19.3????????48.7???????14.8

第五截面???14.1????????45.2???????9.4

第六截面???12??????????44.6???????7.5