CN101457766A - Highly effective low noise axial fan for vehicle - Google Patents
Highly effective low noise axial fan for vehicle Download PDFInfo
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- CN101457766A CN101457766A CNA2008101636729A CN200810163672A CN101457766A CN 101457766 A CN101457766 A CN 101457766A CN A2008101636729 A CNA2008101636729 A CN A2008101636729A CN 200810163672 A CN200810163672 A CN 200810163672A CN 101457766 A CN101457766 A CN 101457766A
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Abstract
The invention relates to an effective low-noise axial-flow fan used for cars. Vanes are of an equal-thickness thin board conical curve wing shape with a sweepforward circumferential direction and a bent radial direction, which completely changes the defects of the prior vanes of arc shape, straight board shape and wing shape; when in working, the air amount can achieve 8000m<3>h, the noise can achieve 72dB, the static pressure can achieve 180 to 230 Pa and the efficiency can achieve more than 84 percent. The effective low-noise axial-flow fan is characterized by simple manufacture technique, small noise, high efficiency, low cost, and the like. The effective low-noise axial-flow fan is suitable to be used on trains in particular.
Description
Technical field
The present invention relates to a kind of ventilation equipment, particularly a kind of highly effective low noise axial fan for vehicle.
Background technique
Axial-flow blower in each ventilation applications more and more widely, efficient and noise are its main criterions.Along with improving constantly of China's train quality and quantity, also more and more higher to the requirement of train special fan, at present automobile-used axial-flow fan blade is wing two kinds: a kind of is airfoil, and another kind is that equal thickness thin plate circular arc is wing.The airfoil blade noise is low, and efficient is higher relatively, but complex process, and fabricating cost is higher; Equal thickness thin plate circular arc vane blower fan technology is simple, but efficient is low, and noise is big.
Summary of the invention
The objective of the invention is to design a kind of high working efficiency, noise is low, technology is simple, cost is low highly effective low noise axial fan for vehicle.Technological scheme of the present invention is so to realize:
Highly effective low noise axial fan for vehicle, comprise wheel hub, blade (1), petiole (2), the equal thickness thin plate conical section that blade (1) is circumferential forward sweep, radially bend is wing, the number of blade is the 5-8 sheet, the geometrical shape of blade (1) is determined by following parameter: the center of rotation with blade (1) is a central shaft, with the cylndrical surface cut blade of 5 different radiis, each cross section to be launched, its parameter is:
Section A-A: R1=84
Section B-B: R2=126
Cross section C-C:R3=182
Cross section D-D:R4=238
Cross section E-E:R5=294
The blade profile shape is determined by following parameter: set up plane right-angle coordinate on each cross section unfolded drawing, with blade (1) leading edge is the true origin of X-axis, with the petiole medial axis is the Y-axis true origin, is Z axle initial point with the rotating center, and the coordinate figure of the respective point in each cross section is: (mm)
1. section A-A: I X Y Z
0 -43～-44 -58～-59 67～68
1 -42～43 -53～-54 67～68
2 -40～-41 -49～-50 68～69
3 -38～-39 -44～-45 70～71
4 -35～-36 -39～-40 71～72
5 -32～-33 -34～-35 72～73
6 -29～-30 -29～-30 74～75
7 -25～-26 -24～-25 75～76
8 -21～-22 -19～-20 77～78
9 -16～-17 -14～-15 78～79
10 -11～-12 -9～-10 79～80
11 -6～-7 -5～-6 79～80
12 -0.2～-0.3?-0.1～-0.2 79～80
13 6～7 4～5 79～80
14 12～13 9～10 78～79
15 20～21 14～15 77～78
16 27～28 19～20 75～76
2. section B-B: I X Y Z
0 -60～-61 -52～-53 103～104
1 -57～-58 -47～-48 105～106
2 -54～-55 -43～-44 106～107
3 -51～-52 -38～-39 108～109
4 -47～-48 -34～-44 110～111
5 -43～-44 -30～-31 112～113
6 -38～-39 -25～-26 113～114
7 -32～-33 -21～-22 115～116
8 -27～-28 -16～-17 116～117
9 -20～-21 -12～-13 118～119
10 -13～-14 -8～-9 119～120
11 -6～-7 -3～-4 119～120
12 1～2 0.5～0.6 119～120
13 9～10 4～5 119～120
14 17～18 9～10 118～119
15 26～27 13～14 116～117
16 35～36 18～19 114～115
3. cross section C-C:I X Y Z
0 -683～-69 -43～-44 159～160
1 -64～-65 -39～-40 160～161
2 -60～-61 -35～-36 162～163
3 -55～-56 -31～-32 164～165
4 -50～-51 -27～-28 165～166
5 -44～-45 -23～-24 167～168
6 -38～-39 -19～-20 169～170
7 -31～-32 -15～-16 170～171
8 -24～-25 -11～-12 171～172
9 -16～-17 -7～-8 172～173
10 -7～-8 -3～-4 173～174
11 1～2 0.4～0.5 173～174
12 10～11 4～5 173～174
13 20～21 8～9 172～173
14 30～31 12～13 170～171
15 41～42 16～17 168～169
16 51～52 20～21 165～166 4. cross section D-D:I X Y Z
0 -62～-63 -33～-34 217～218
1 -57～-58 -29～-30 219～220
2 -51～-52 -26～-27 220～221
3 -46～-47 -22～-23 221～222
4 -39～-40 -18～-19 223～224
5 -32～-33 -14～-15 224～225
6 -25～-26 -10～-11 225～226
7 -17～-1 -7～-8 226～227
8 -8～-9 -3～-4 226～227
9 0.7～0.8 0.2～0.3 226～227
10 10～11 4～5 226～227
11 20～21 7～8 225～226
12 31～32 11～12 224～225
13 42～43 15～16 222～223
14 53～54 19～20 220～221
15 65～66 22～23 216～217
16 77～78 26～27 212～213
5. cross section E-E:I X Y Z
0 -41～-42 -21～-22 276～277
1 -35～-36 -17～-18 277～278
2 -28～-29 -13～-14 278～279
3 -21～-22 -10～-11 279～280
4 -14～-15 -6～-7 279～280
5 -6～-7 -2～-3 279～280
6 2～3 0.9～1 279～280
7 11～12 4～5 279～280
8 20～21 8～9 279～280
9 31～32 11～12 278～279
10 41～42 15～16 276～277
11 53～54 19～20 274～275
12 64～65 22～23 272～273
13 76～77 26～27 269～270
14 89～90 30～31 265～266
15 101～102 33～34 260～261
16 114～115 37～38 255～256
As preferably, the angle of described petiole and wheel hub end face is 26.5 °-27.5 °.
As preferably, the quantity of described blade (1) is 7.
The equal thickness thin plate conical section that blade of the present invention (1) is circumferential forward sweep, radially bend is wing, has thoroughly changed the deficiency of circular arc, straight plate shape and airfoil blade in the past, and air quantity can reach 8000m during work
3/ h, noise 72dB, static pressure 180-230Pa, efficient reaches more than 84%, has characteristics such as preparation process is simple, noise is little, efficient is high, cost is low, is specially adapted to use on the train.
Description of drawings
Accompanying drawing 1 is the structural representation of blade of the present invention;
Accompanying drawing 2 is the unfolded drawings in each cross section of blade among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing,, technological scheme of the present invention is described in further detail by embodiment.
Embodiment: with reference to the accompanying drawings 1, accompanying drawing 2, highly effective low noise axial fan for vehicle, comprise wheel hub, blade (1), petiole (2), the equal thickness thin plate conical section that blade (1) is circumferential forward sweep, radially bend is wing, the number of blade is 7, impeller diameter 560mm hub diameter 160mm, the angle of petiole and wheel hub end face is 27.18 °, petiole radius of curvature 424mm.
The geometrical shape of blade (1) is determined by following parameter: the center of rotation with blade (1) is a central shaft, with the cylndrical surface cut blade of 5 different radiis, each cross section is launched, and its parameter is:
Section A-A: R1=84
Section B-B: R2=126
Cross section C-C:R3=182
Cross section D-D:R4=238
Cross section E-E:R5=294
The blade profile shape is determined by following parameter: set up plane right-angle coordinate on each cross section unfolded drawing, with blade (1) leading edge is the true origin of X-axis, with the petiole medial axis is the Y-axis true origin, is Z axle initial point with the rotating center, and the coordinate figure of the respective point in each cross section is:
1. section A-A: I X Y Z
0 -43.56 -58.82 67.10
1 -42.20 -53.93 67.96
2 -40.48 -49.04 69.00
3 -38.38 -44.16 70.19
4 -35.89 -39.27 71.49
5 -32.99 -34.38 72.88
6 -29.66 -29.49 74.30
7 -25.89 -24.61 75.69
8 -21.66 -19.72 77.01
9 -16.98 -14.83 78.17
10 -11.84 -9.95 79.12
11 -6.25 -5.06 79.75
12 -0.22 -0.17 80.00
13 6.21 4.71 79.75
14 12.99 9.60 78.93
15 20.07 14.49 77.44
16 27.37 19.38 75.17
2. section B-B: I X Y Z
0 -60.18 -52.03 103.82
1 -57.62 -47.64 105.26
2 -54.64 -43.26 106.83
3 -51.23 -38.88 108.51
4 -47.36 -34.49 110.26
5 -43.02 -30.11 112.02
6 -38.20 -25.73 113.75
7 -32.89 -21.34 115.40
8 -27.09 -16.96 116.90
9 -20.78 -12.58 118.18
10 -13.98 -8.19 119.18
11 -6.70 -3.81 119.81
12 1.04 0.58 120.00
13 9.22 4.96 119.64
14 17.78 9.34 118.67
15 26.68 13.73 117.00
16 35.85 18.11 114.52
3. cross section C-C:I X Y Z
0 -68.37 -43.23 159.28
1 -64.58 -39.26 160.85
2 -60.31 -35.28 162.50
3 -55.54 -31.30 164.19
4 -50.27 -27.33 165.88
5 -44.49 -23.35 167.52
6 -38.18 -19.38 169.07
7 -31.35 -15.40 170.47
8 -24.00 -11.43 171.66
9 -16.13 -7.45 172.58
10 -7.74 -3.48 173.16
11 1.14 0.50 173.33
12 10.49 4.47 173.01
13 20.29 8.45 172.14
14 30.50 12.42 170.63
15 41.06 16.40 168.40
16 51.92 20.37 165.37
4. cross section D-D:I X Y Z
0 -62.22 -33.59 217.96
1 -57.37 -29.82 219.28
2 -52.00 -26.06 220.62
3 -46.09 -22.29 221.93
4 -39.64 -18.53 223.17
5 -32.65 -14.76 224.30
6 -25.10 -11.00 225.27
7 -17.02 -7.23 226.03
8 -8.40 -3.47 226.51
9 0.75 0.30 226.67
10 10.41 4.06 226.43
11 20.56 7.83 225.73
12 31.19 11.59 224.51
13 42.25 15.36 222.69
14 53.71 19.12 220.21
15 65.52 22.89 216.99
16 77.62 26.65 212.96
5. cross section E-E:I X Y Z
0 -41.01 -21.04 276.98
1 -35.21 -17.38 277.78
2 -28.86 -13.72 278.51
3 -21.94 -10.07 279.14
4 -14.46 -6.41 279.63
5 -6.42 -2.75 280.00
6 2.18 0.90 280.00
7 11.32 4.56 279.78
8 21.00 8.22 279.21
9 31.20 11.88 278.26
10 41.90 15.53 276.85
11 53.08 19.19 274.90
12 64.70 22.85 274.24
13 76.74 26.50 269.28
14 89.15 30.16 265.43
15 101.88 33.87 260.81
16 114.87 37.47 255.35
Above data unit is mm.
Air quantity is 8000m in the work
3/ h, static pressure 230Pa, rotating speed 1500rpm, real wasted work rate 0.952kw, noise 72dB, efficient is more than 84%, than A sound pressure level≤20Db.
Claims (3)
1, highly effective low noise axial fan for vehicle, comprise wheel hub, blade (1), petiole (2), it is characterized in that: blade (1) is wing for circumferential forward sweep, the equal thickness thin plate conical section that radially bends, the number of blade is the 5-8 sheet, the geometrical shape of blade (1) is determined by following parameter: the center of rotation with blade (1) is a central shaft, with the cylndrical surface cut blade of 5 different radiis, each cross section to be launched, its parameter is:
Section A-A: R1=84
Section B-B: R2=126
Cross section C-C:R3=182
Cross section D-D:R4=238
Cross section E-E:R5=294
The blade profile shape is determined by following parameter: set up plane right-angle coordinate on each cross section unfolded drawing, with blade (1) leading edge is the true origin of X-axis, with the petiole medial axis is the Y-axis true origin, is Z axle initial point with the rotating center, and the coordinate figure of the respective point in each cross section is: (mm)
1. section A-A: I X Y Z
0 -43～-44 -58～-59 67～68
1 -42～43 -53～-54 67～68
2 -40～-41 -49～-50 68～69
3 -38～-39 -44～-45 70～71
4 -35～-36 -39～-40 71～72
5 -32～-33 -34～-35 72～73
6 -29～-30 -29～-30 74～75
7 -25～-26 -24～-25 75～76
8 -21～-22 -19～-20 77～78
9 -16～-17 -14～-15 78～79
10 -11～-12 -9～-10 79～80
11 -6～-7 -5～-6 79～80
12 -0.2～-0.3 -0.1～-0.2 79～80
13 6～7 4～5 79～80
14 12～13 9～10 78～79
15 20～21 14～15 77～78
16 27～28 19～20 75～76
2. section B-B: I X Y Z
0 -60～-61 -52～-53 103～104
1 -57～-58 -47～-48 105～106
2 -54～-55 -43～-44 106～107
3 -51～-52 -38～-39 108～109
4 -47～-48 -34～-44 110～111
5 -43～-44 -30～-31 112～113
6 -38～-39 -25～-26 113～114
7 -32～-33 -21～-22 115～116
8 -27～-28 -16～-17 116～117
9 -20～-21 -12～-13 118～119
10 -13～-14 -8～-9 119～120
11 -6～-7 -3～-4 119～120
12 1～2 0.5～0.6 119～120
13 9～10 4～5 119～120
14 17～18 9～10 118～119
15 26～27 13～141 16～117
16 35～36 18～19 114～115
3. cross section C-C:I X Y Z
0 -683～-69?-43～-44 159～160
1 -64～-65 -39～-40 160～161
2 -60～-61 -35～-36 162～163
3 -55～-56 -31～-32 164～165
4 -50～-51 -27～-28 165～166
5 -44～-45 -23～-24 167～168
6 -38～-39 -19～-20 169～170
7 -31～-32 -15～-16 170～171
8 -24～-25 -11～-12 171～172
9 -16～-17 -7～-8 172～173
10 -7～-8 -3～-4 173～174
11 1～2 0.4～0.5 173～174
12 10～11 4～5 173～174
13 20～21 8～9 172～173
14 30～31 12～13 170～171
15 41～42 16～17 168～169
16 51～52 20～21 165～166
4. cross section D-D:I X Y Z
0 -62～-63 -33～-34 217～218
1 -57～-58 -29～-30 219～220
2 -51～-52 -26～-27 220～221
3 -46～-47 -22～-23 221～222
4 -39～-40 -18～-19 223～224
5 -32～-33 -14～-15 224～225
6 -25～-26 -10～-11 225～226
7 -17～-1 -7～-8 226～227
8 -8～-9 -3～-4 226～227
9 0.7～0.8 0.2～0.3 226～227
10 10～11 4～5 226～227
11 20～21 7～8 225～226
12 31～32 11～12 224～225
13 42～43 15～16 222～223
14 53～54 19～20 220～221
15 65～66 22～23 216～217
16 77～78 26～27 212～213
5. cross section E-E:I X Y Z
0 -41～-42 -21～-22 276～277
1 -35～-36 -17～-18 277～278
2 -28～-29 -13～-14 278～279
3 -21～-22 -10～-11 279～280
4 -14～-15 -6～-7 279～280
5 -6～-7 -2～-3 279～280
6 2～3 0.9～1 279～280
7 11～12 4～5 279～280
8 20～21 8～9 279～280
9 31～32 11～12 278～279
10 41～42 15～16 276～277
11 53～54 19～20 274～275
12 64～65 22～23 272～273
13 76～77 26～27 269～270
14 89～90 30～31 265～266
15 101～102 33～34 260～261
16 114～115 37～38 255～256。
2, highly effective low noise axial fan for vehicle according to claim 1, the angle that it is characterized in that described petiole and wheel hub end face are 26.5 °-27.5 °.
3, highly effective low noise axial fan for vehicle according to claim 1, the quantity that it is characterized in that described blade (1) is 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101636729A CN101457766A (en) | 2008-12-18 | 2008-12-18 | Highly effective low noise axial fan for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101636729A CN101457766A (en) | 2008-12-18 | 2008-12-18 | Highly effective low noise axial fan for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101457766A true CN101457766A (en) | 2009-06-17 |
Family
ID=40768814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101636729A Pending CN101457766A (en) | 2008-12-18 | 2008-12-18 | Highly effective low noise axial fan for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101457766A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161759A (en) * | 2011-12-09 | 2013-06-19 | 珠海格力电器股份有限公司 | Axial-flow fan blade |
| CN104791301A (en) * | 2015-04-02 | 2015-07-22 | 佛山市南海九洲普惠风机有限公司 | Swept-curved aluminum alloy axial flow blade |
| CN107013489A (en) * | 2017-04-07 | 2017-08-04 | 陕西金翼通风科技有限公司 | A kind of novel impeller and its installation method |
| CN108757568A (en) * | 2018-05-29 | 2018-11-06 | 青岛科技大学 | A kind of axial-flow fan blade |
-
2008
- 2008-12-18 CN CNA2008101636729A patent/CN101457766A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161759A (en) * | 2011-12-09 | 2013-06-19 | 珠海格力电器股份有限公司 | Axial-flow fan blade |
| CN104791301A (en) * | 2015-04-02 | 2015-07-22 | 佛山市南海九洲普惠风机有限公司 | Swept-curved aluminum alloy axial flow blade |
| CN104791301B (en) * | 2015-04-02 | 2017-12-15 | 佛山市南海九洲普惠风机有限公司 | One kind is curved to plunder aluminium alloy axial blade |
| CN107013489A (en) * | 2017-04-07 | 2017-08-04 | 陕西金翼通风科技有限公司 | A kind of novel impeller and its installation method |
| CN108757568A (en) * | 2018-05-29 | 2018-11-06 | 青岛科技大学 | A kind of axial-flow fan blade |
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Application publication date: 20090617 |