CN212177498U - High-efficiency centrifugal wind wheel - Google Patents
High-efficiency centrifugal wind wheel Download PDFInfo
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- CN212177498U CN212177498U CN202020848556.7U CN202020848556U CN212177498U CN 212177498 U CN212177498 U CN 212177498U CN 202020848556 U CN202020848556 U CN 202020848556U CN 212177498 U CN212177498 U CN 212177498U
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- centrifugal wind
- wind wheel
- fan blade
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Abstract
A high-efficiency centrifugal wind wheel comprises a wheel rim, a fixed disc and a plurality of fan blades circumferentially arranged between the wheel rim and the fixed disc, wherein the plurality of fan blades extend in a parabolic manner from inside to outside, each fan blade comprises a head part and a tail part which are arranged along the extending direction, and the tail parts of the fan blades are gradually bent and swing away from a radial line connected with the head parts of the fan blades; the centrifugal wind wheel of this structure is conventional wind wheel relatively, can obtain better dynamic balance, and in carrying out the dynamic balance test, the minimum condition needs the calibration, can save traditional wind wheel and increase the balancing weight adjustment when the calibration, and the length of the air runner that the fan blade of this structure formed increases in addition, prolongs for traditional wind wheel acting time, makes air-out efficiency higher.
Description
Technical Field
The utility model relates to a centrifugal wind wheel field specifically is an efficient centrifugal wind wheel.
Background
At present, in some bladeless fans, a centrifugal wind wheel is generally adopted to push air to flow, however, when the existing centrifugal wind wheel operates, noise is large, and an air flow channel between a fan blade and a fan blade is too short, so that the problem of small air volume is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve above-mentioned current problem, provide an efficient centrifugal wind wheel of simple structure, reasonable, its effect is through the speed that improves air discharge air runner, improves air-out efficiency.
The utility model provides an efficient centrifugal wind wheel, includes rim, fixed disk and circumference and sets up a plurality of fan blades between rim and fixed disk, and a plurality of fan blades are the parabola by interior toward outer direction and extend, and every fan blade includes head and the tail section that sets up along extending direction, and the tail section of fan blade is crooked gradually and is swung from the radial line that fan blade head starting point meets.
The utility model discloses can also adopt following technical measure to solve:
the width of the tail section of each fan blade is gradually reduced along the extension direction, an air flow channel is formed between every two adjacent fan blades, and the width of each air flow channel is gradually reduced from the air inlet end to the air outlet end of each air flow channel.
The fan blade comprises an inner edge surface, an outer edge surface, a windward surface and a leeward surface, wherein the windward surface and the leeward surface are connected with the inner edge surface and the outer edge surface, the windward surface is arranged in a convex arc mode relative to the air flow channel, the leeward surface is arranged in a concave arc mode relative to the air flow channel, and the distance between the windward surface and the leeward surface is gradually reduced from the inner edge surface to the outer edge surface.
The wind blade is provided with a first curvature section corresponding to the head, a second curvature section corresponding to the tail, curvatures of the windward side and the leeward side corresponding to the first curvature section are R1 and R2, curvatures of the windward side and the leeward side corresponding to the second curvature section are R3 and R4, wherein R1 is more than R3, and R2 is more than R4.
The air inlet angle position of the fan blade is alpha 1, wherein alpha 1 is more than or equal to 85 degrees and less than or equal to 95 degrees, the air outlet angle position of the fan blade is alpha 2, and alpha 2 is more than or equal to 20 degrees and less than or equal to 30 degrees.
The radial distance from the inner edge surface to the wheel rim is L1, the distance between the inner edge surface and the outer edge surface is L2, wherein L1/L2 is less than or equal to 0.8.
The connecting line of the inner edge surface and the outer edge surface is obliquely arranged relative to the radial line of the centrifugal wind wheel, and the included angle beta formed by the inclination is 45-65 degrees.
The fixed disk is including the solid fixed ring of connecting a plurality of fan blades, and solid fixed ring's central part extends to the air inlet side direction of centrifugal wind wheel has the fixed protruding dish that is the loudspeaker form, and the surface of fixed protruding dish is concave arc form down, and the central axis of fixed protruding dish is seted up the shaft hole of being connected with the power supply, and fixed protruding dish is equipped with a plurality of inlet port along the periphery in shaft hole equal interval.
The head part of the fan blade extends to the fixed convex disc.
The wheel rim is integrally connected to the outer edge of the fan blade and leans against the air inlet side of the centrifugal wind wheel.
The utility model has the advantages as follows:
the utility model relates to an efficient centrifugal wind wheel, a structure is simple, and reasonable design, the centrifugal wind wheel conventional wind wheel relatively of this structure, its fan blade shape is from the center to the border narrowing gradually, can obtain better dynamic balance, in carrying out the dynamic balance test, the minimum condition needs the calibration, can save traditional wind wheel and increase the balancing weight adjustment when the calibration, and can reduce the runner area, the length increase of the air runner that the fan blade of this structure formed in addition, for traditional wind wheel acting time extension, make air-out efficiency higher.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the fan blade structure of the present invention.
Fig. 3 is a schematic view of the curvature structure of the fan blade of the present invention.
Fig. 4 is a schematic sectional view of the present invention.
Fig. 5 is an enlarged schematic view of B in fig. 4.
Fig. 6 is a schematic sectional view of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1 to 6, the high-efficiency centrifugal wind wheel comprises a wheel rim 1, a fixed disk 2 and a plurality of fan blades 3 circumferentially arranged between the wheel rim 1 and the fixed disk 2, wherein the fan blades 3 extend in a parabolic manner from inside to outside, each fan blade 3 comprises a head 31 and a tail section 32 arranged along the extending direction, and the tail section 32 of each fan blade 3 gradually bends and swings away from a radial line C connected with a starting point a1 of the head 31 of the fan blade 3.
The centrifugal wind wheel of this structure is conventional wind wheel relatively, and its fan blade shape is from the center to the border narrowing gradually, can obtain better dynamic balance, in carrying out the dynamic balance test, the minimum condition needs the calibration, can save traditional wind wheel and increase the balancing weight adjustment when the calibration, and can reduce the runner area, the length increase of the air runner that the fan blade of this structure formed in addition, for traditional wind wheel working time extension, make air-out efficiency higher.
The radial line C is a line segment extending radially from the central axis of the stationary disk 2 through the starting point a1 of the head 31.
The width of the tail section 32 of each fan blade 3 is gradually reduced along the extension direction, an air flow channel 4 is formed between every two adjacent fan blades 3, and the width of each air flow channel 4 is gradually reduced from the air inlet end 401 of each air flow channel 4 to the air outlet end 402; when air passes through the air flow channel, the air is compressed due to the reduction of the width, the closer the air flow channel is to the air outlet end, the higher the air pressure in the air flow channel is, and the speed of the air discharged out of the air flow channel can be improved, so that the air outlet efficiency is improved.
The fan blade 3 comprises an inner edge surface 301, an outer edge surface 302, a windward surface 303 and a leeward surface 304, wherein the windward surface 303 and the leeward surface 304 are connected with the inner edge surface 301 and the outer edge surface 302, the windward surface 303 is arranged in a convex arc mode relative to the air flow channel 4, the leeward surface 304 is arranged in a concave arc mode relative to the air flow channel 4, and the distance between the windward surface 303 and the leeward surface 304 is gradually reduced from the inner edge surface 301 to the outer edge surface 302.
The wind blade 3 is provided with a first curvature section 3a corresponding to the head 31 and a second curvature section 3b corresponding to the tail 32, the curvatures of the windward side 303 and the leeward side 304 corresponding to the first curvature section 3a are R1 and R2, the curvatures of the windward side 303 and the leeward side 304 corresponding to the second curvature section 3b are R3 and R4, wherein R1 is more than R3, and R2 is more than R4; because the air flows radially from the central axis of the centrifugal wind wheel, the air is arranged on one side of the air inlet end 401, and the two adjacent first curvature sections 3a have lower curvature, so that the air is favorably guided into the air flow channel 4 radially, and the frontal collision with the windward side is reduced, and the wind speed is reduced.
The air inlet angle position of the fan blade 3 is alpha 1, wherein alpha 1 is more than or equal to 85 degrees and less than or equal to 95 degrees, the air outlet angle position of the fan blade is alpha 2, wherein alpha 2 is more than or equal to 20 degrees and less than or equal to 30 degrees.
The radial distance from the inner edge surface 301 to the rim 1 is L1, the distance from the inner edge surface 301 to the outer edge surface 302 is L2, wherein L1/L2 is less than or equal to 0.8.
The connecting line of the inner edge surface 301 and the outer edge surface 302 is obliquely arranged relative to the radial line of the centrifugal wind wheel, and the included angle beta formed by inclination is 45-65 degrees; this structure can prolong the length that the air flows under the same basis of the wheel footpath of centrifugal wind wheel and the radial distance of inner flange face 301 to rim 1, makes the air flow direction more regular, is favorable to reducing wind and makes an uproar.
The fixed disc 2 comprises a fixed ring 201 connected with a plurality of fan blades 3, a horn-shaped fixed convex disc 202 extends from the center of the fixed ring 201 to the air inlet side A of the centrifugal wind wheel, the outer surface of the fixed convex disc 202 is in a concave arc shape, a shaft hole 203 connected with a power source is formed in the central axis of the fixed convex disc 202, and a plurality of air inlets 204 are formed in the fixed convex disc 202 at equal intervals along the periphery of the shaft hole; the fixed disk 2 of this structure can be favorable to wind to accelerate, makes the air shunt to all around through the fixed protruding dish 202 of this structure behind the air inlet side entering centrifugal wind wheel, improves air inlet efficiency, reduces the resistance of reposition of redundant personnel in-process, makes the air flow more smooth and easy to improve the speed of wind.
And set up a plurality of inlet port 204 on fixed protruding dish 202, its effect is used for assisting centrifugal wind wheel to induced draft, under the dynamic condition, balanced centrifugal wind wheel internal pressure, because centrifugal wind wheel rotates at high speed, under the effect of centrifugal force, centrifugal wind wheel middle part space produces great negative pressure, when the air inlet efficiency of air inlet side A is not enough in time to fill up the negative pressure at centrifugal wind wheel middle part, inlet port 204 can realize assisting induced draft, the efficiency of induced drafting is improved, and inlet port 204 can make the air current smooth-going, reduce the noise that centrifugal wind wheel produced when high-speed rotation, play the effect of bloop simultaneously, can also reduce centrifugal wind wheel's weight.
The central axis of the fixed convex disc 202 is integrally connected with a cylinder, and the shaft hole 203 is arranged in the cylinder.
The head part of the fan blade 3 extends to the fixed convex disc 202, when the airflow flows outwards along the outer surface of the fixed convex disc 202, the part of the head part of the fan blade 3 protruding to the fixed convex disc 202 can enable the airflow to flow into the air flow channel 4 more smoothly, and the air outlet efficiency is improved.
The wheel rim 1 is integrally connected to the outer edge of the fan blade 3 and leans against the air inlet side A of the centrifugal wind wheel; the resistance to air entering the centrifugal wind wheel can be reduced, and the air inlet efficiency is improved.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but rather that various changes and modifications may be made without departing from the spirit and scope of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides an efficient centrifugal wind wheel, includes rim (1), fixed disk (2) and circumference and sets up a plurality of fan blades (3) between rim (1) and fixed disk (2), its characterized in that: the fan blades (3) extend in a parabolic manner from inside to outside, each fan blade (3) comprises a head (31) and a tail section (32) which are arranged along the extending direction, and the tail sections (32) of the fan blades (3) gradually bend and swing away from a radial line (C) connected with the head (31) of the fan blade (3) at the initial point (A1).
2. A high efficiency centrifugal wind rotor according to claim 1, wherein: the width of the tail section (32) of each fan blade (3) is gradually reduced along the extension direction, an air flow channel (4) is formed between every two adjacent fan blades (3), and the width of each air flow channel (4) is gradually reduced from the air inlet end (401) of each air flow channel (4) to the air outlet end (402).
3. A high efficiency centrifugal wind rotor according to claim 1, wherein: the fan blade (3) comprises an inner edge surface (301), an outer edge surface (302), a windward surface (303) and a leeward surface (304), wherein the windward surface (303) is connected with the inner edge surface (301) and the outer edge surface (302), the windward surface (303) is arranged in a convex arc mode relative to the air flow channel (4), the leeward surface (304) is arranged in a concave arc mode relative to the air flow channel (4), and the distance between the windward surface (303) and the leeward surface (304) is gradually reduced from the inner edge surface (301) to the outer edge surface (302).
4. A high efficiency centrifugal wind rotor according to claim 3, wherein: the wind blade (3) is provided with a first curvature section (3 a) corresponding to the head (31), a second curvature section (3 b) corresponding to the tail section (32), the curvatures of the windward side (303) and the leeward side (304) corresponding to the first curvature section (3 a) are R1 and R2, the curvatures of the windward side (303) and the leeward side (304) corresponding to the second curvature section (3 b) are R3 and R4, wherein R1 is more than R3, and R2 is more than R4.
5. A high efficiency centrifugal wind rotor according to claim 1, wherein: the air inlet angle position of the fan blade (3) is alpha 1, wherein alpha 1 is more than or equal to 85 degrees and less than or equal to 95 degrees, the air outlet angle position of the fan blade is alpha 2, and alpha 2 is more than or equal to 20 degrees and less than or equal to 30 degrees.
6. A high efficiency centrifugal wind rotor according to claim 3, wherein: the radial distance from the inner edge surface (301) to the wheel rim (1) is L1, the distance between the inner edge surface (301) and the outer edge surface (302) is L2, wherein L1/L2 is less than or equal to 0.8.
7. A high efficiency centrifugal wind rotor according to claim 3, wherein: the connecting line of the inner edge surface (301) and the outer edge surface (302) is obliquely arranged relative to the radial line of the centrifugal wind wheel, and the included angle beta formed by inclination is 45-65 degrees.
8. A high efficiency centrifugal wind rotor according to claim 1, wherein: fixed disk (2) are including solid fixed ring (201) of connecting a plurality of fan blades (3), and the central part of solid fixed ring (201) extends to the air inlet side (A) direction of centrifugal wind wheel has fixed protruding dish (202) that are the loudspeaker form, and the outward surface of fixed protruding dish (202) is concave arc form, and shaft hole (203) of being connected with the power supply are seted up to the central axis of fixed protruding dish (202), and fixed protruding dish (202) are equipped with a plurality of inlet port (204) along the periphery in shaft hole equal interval.
9. A high efficiency centrifugal wind rotor according to claim 8, wherein: the head part of the fan blade (3) extends to the fixed convex disc (202).
10. A high efficiency centrifugal wind rotor according to claim 1, wherein: the wheel rim (1) is integrally connected to the outer edge of the fan blade (3) and leans against the air inlet side (A) of the centrifugal wind wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020848556.7U CN212177498U (en) | 2020-05-19 | 2020-05-19 | High-efficiency centrifugal wind wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020848556.7U CN212177498U (en) | 2020-05-19 | 2020-05-19 | High-efficiency centrifugal wind wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212177498U true CN212177498U (en) | 2020-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020848556.7U Active CN212177498U (en) | 2020-05-19 | 2020-05-19 | High-efficiency centrifugal wind wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212177498U (en) |
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2020
- 2020-05-19 CN CN202020848556.7U patent/CN212177498U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20210817 Address after: 405400 plant 1 of Chongqing Qianyi Electric Appliance Co., Ltd., Zhaojia Industrial Park, Zhaojia street, Kaizhou District, Chongqing Patentee after: Xiaolu Technology (Chongqing) Co.,Ltd. Address before: Room 313, shop e313, Jiaxin city square phase II, Xingshun Road, Dehe neighborhood committee, Daliang sub district office, Shunde District, Foshan City, Guangdong Province 528300 Patentee before: KAIYOUQI TECHNOLOGY (GUANGDONG) Co.,Ltd. |