CN115681207A - High-efficient silence impeller - Google Patents
High-efficient silence impeller Download PDFInfo
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- CN115681207A CN115681207A CN202211327258.3A CN202211327258A CN115681207A CN 115681207 A CN115681207 A CN 115681207A CN 202211327258 A CN202211327258 A CN 202211327258A CN 115681207 A CN115681207 A CN 115681207A
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- impeller
- base plate
- air inlet
- central
- connecting part
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Abstract
The invention discloses a high-efficiency mute impeller, which comprises an impeller base plate; the central part of the impeller base plate is provided with a central through hole; the upper surface of the impeller base plate is provided with regularly-arranged spiral blades; the air flow entering from the central through hole can be thrown outwards from the air flow channel between the adjacent spiral blades; the lower surface of the impeller base plate is also provided with regularly arranged spiral ribs so that gas between the impeller base plate and the air inlet base can be thrown outwards from an airflow channel between adjacent spiral ribs; the high-efficiency mute impeller can prevent the gas between the lower surface of the impeller base plate and the air inlet base from forming reverse-flow wind, and avoid efficiency loss.
Description
Technical Field
The invention relates to the field of dust collectors, in particular to a high-efficiency mute impeller which can prevent air between the lower surface of an impeller base plate and an air inlet base from forming reverse wind and avoid efficiency loss.
Background
The working principle of the dust collector is that a fan of the dust collector rotates at a high speed, air is sucked from a suction inlet, a dust barrel generates certain vacuum, dust enters the dust barrel and is separated out, and clean air flow is discharged through the fan; when the air conditioner works, air flow thrown out from the space between the adjacent spiral blades firstly touches the side wall of the groove on the upper surface of the air inlet base and then climbs, and after the air flow overturns the side wall, the air flow is discharged from the air outlet holes uniformly distributed on the air outlet cover; the fan increases the path of the airflow, and also has the problem of changing the advancing direction of the airflow, thereby causing energy loss and simultaneously having large noise; in addition, the cross section of the impeller base plate of the impeller is horizontal and even upwarps, namely, the cross section is kept horizontal from the central through hole of the impeller and even gradually raised to a height; the cross section area of the airflow channel between the adjacent spiral blades can be kept unchanged or even gradually reduced, the airflow can be kept unchanged along with the change of the cross section area of the airflow channel between the adjacent spiral blades, and even the speed is increased, so that the noise is increased; in addition, the air between the lower surface of the impeller base plate and the air inlet base can form reverse wind to enter the central through hole on the impeller base plate, and efficiency loss is caused.
Therefore, the efficient mute impeller capable of preventing the air between the lower surface of the impeller base plate and the air inlet base from forming reverse-flow air and avoiding efficiency loss is developed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the high-efficiency mute impeller which can prevent the gas between the lower surface of the impeller base plate and the air inlet base from forming reverse wind and avoid efficiency loss.
In order to achieve the purpose, the invention adopts the technical scheme that: a high-efficiency mute impeller comprises an impeller base plate; the central part of the impeller base plate is provided with a central through hole; the upper surface of the impeller base plate is provided with regularly-arranged spiral blades; the air flow entering from the central through hole can be thrown outwards from the air flow channel between the adjacent spiral blades; the lower surface of the impeller base plate is also provided with regularly arranged spiral ribs, so that gas between the impeller base plate and the air inlet base can be outwards thrown out from an air flow channel between adjacent spiral ribs.
Preferably, the spiral blades are arranged corresponding to the spiral ribs one by one.
Preferably, the cross section of the impeller base plate is inclined and gradually reduces in height from the central through hole; the included angle between the cross section of the impeller base plate and the horizontal plane is 0-45 degrees.
Preferably, the cross section of the impeller base plate forms an angle of 15 ° with the horizontal plane.
Preferably, the fan for the high-efficiency mute impeller comprises a main body, an air inlet base and an air outlet cover; the main body is connected with the air inlet base through a bracket; the main body is used for mounting a motor; an output shaft of the motor is connected with the impeller top cover and used for driving the impeller top cover to rotate; the impeller is fixed on the lower surface of the impeller top cover and rotates along with the impeller top cover; the central air guide hole of the air inlet base is at least partially inserted into the central through hole on the impeller; the main body and the air inlet base are arranged in the air outlet cover, the main body and the air outlet cover are sealed by a second sealing ring, and the air inlet base and the air outlet cover are sealed by a first sealing ring; most of the side surfaces of the bracket are hollowed out.
Preferably, the impeller head is disposed inside the bracket.
Preferably, the bracket comprises an upper connecting part and a lower connecting part; the upper connecting part is positioned above the lower connecting part, and the upper connecting part and the lower connecting part are connected through connecting blocks arranged at intervals.
Preferably, the connecting blocks are uniformly distributed.
Preferably, the upper connecting part is annular; the lower connecting part is also annular; the connecting blocks are 4 and evenly distributed.
Preferably, after assembly, the highest point of the periphery of the upper surface of the air intake base is not higher than half of the height of the helical blade on the impeller.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the lower surface of the impeller base plate in the high-efficiency mute impeller is also provided with regularly arranged spiral ribs; in the working process, due to the existence of centrifugal force, the gas between the lower surface of the impeller base plate and the air inlet base is thrown outwards along the airflow channel between the adjacent spiral ribs, so that the formation of reverse flow wind is prevented, and the loss of efficiency is avoided; in addition, the cross section of the impeller base plate is inclined, and the height of the impeller base plate is gradually reduced from the central through hole, so that the cross section area of an air flow channel between the adjacent spiral blades is gradually increased, the speed of the air flow is reduced along with the increase of the cross section area of the air flow channel between the adjacent spiral blades in operation, and the noise is reduced; meanwhile, the limited space can be fully utilized by the arrangement, so that the fan is more compact.
Drawings
The technical scheme of the invention is further explained by combining the accompanying drawings as follows:
FIG. 1 is an enlarged perspective view of a first angle of the high efficiency silent impeller of the present invention;
FIG. 2 is an enlarged perspective view of a second angle of the high efficiency silent impeller in accordance with the present invention;
FIG. 3 is an enlarged cross-sectional view of the high efficiency squelch impeller of the invention;
FIG. 4 is a perspective view of a fan for use with the high efficiency silent impeller of the present invention;
FIG. 5 is a front view of a fan for a high efficiency silent impeller application in accordance with the present invention;
FIG. 6 is a cross-sectional view of FIG. 5;
FIG. 7 is a perspective view of a fan with a fan housing removed for use with the high efficiency silent impeller of the present invention at a first angle;
FIG. 8 is a perspective view of a fan with an air outlet housing removed for use in the high efficiency silent impeller of the present invention at a second angle;
FIG. 9 is an enlarged perspective view of a fan mount for a high efficiency silent impeller according to the present invention;
wherein: 1. a main body; 2. an air inlet base; 3. a support; 4. a motor; 5. an impeller top cover; 6. an impeller; 7. an air outlet cover; 8. a first seal ring; 9. a second seal ring; 31. an upper connecting part; 32. a lower connecting portion; 33. connecting blocks; 61. an impeller base plate; 62. a blade; 63. a central through hole; 64. muscles and bones.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the high efficiency silent impeller of the present invention comprises an impeller base plate 61; the central part of the impeller base plate 61 is provided with a central through hole 63; the upper surface of the impeller base plate 61 is provided with regularly arranged helical blades 62; the air flow entering from the central through hole 63 can be thrown outward from the space between the adjacent helical blades 62; the cross section of the impeller base plate 61 is inclined and gradually reduces in height from the central through hole 63; in this embodiment, an included angle between the cross section of the impeller base plate 61 and the horizontal plane is 0 to 45 °, and the most preferable included angle is 15 °; the lower surface of the impeller base plate 61 is also provided with regularly arranged spiral ribs 64, so that gas between the impeller base plate 61 and the air inlet base 2 can be thrown out outwards from the gas flow channel between the adjacent spiral ribs 64; in this embodiment, the spiral blades 62 are disposed corresponding to the spiral ribs 64 one by one; by the arrangement, when in work, the gas between the lower surface of the impeller base plate 61 and the air inlet base 2 can be thrown out in the same way that the blades throw the gas on the upper surface of the impeller base plate 61, so that the gas between the lower surface of the impeller base plate 61 and the air inlet base 2 can be prevented from entering from the central through hole 63 on the impeller base plate 61, and the efficiency is lost; that is, in the working process, due to the existence of centrifugal force, the air between the lower surface of the impeller base plate 61 and the air inlet base 2 is thrown outwards along the air flow channel between the adjacent spiral ribs 64, so that the formation of reverse air is prevented, and the loss of efficiency is avoided.
The fan applied to the high-efficiency mute impeller comprises a main body 1, an air inlet base 2 and an air outlet cover 7; the main body 1 is connected with the air inlet base 2 through a bracket 3; the main body 1 is used for installing a motor 4; the impeller top cover 5 is arranged inside the bracket 3; an output shaft of the motor 4 is connected with the impeller top cover 5 and used for driving the impeller top cover 5 to rotate; the impeller 6 is fixed on the lower surface of the impeller top cover 5 and rotates along with the impeller top cover 5; a central air guide hole (not marked) of the air inlet base 2 is at least partially inserted into a central through hole 63 on the impeller 6; the main part 1 and the air inlet base 2 are arranged in the air outlet cover 7, the main part 1 and the air outlet cover 7 are sealed by a second sealing ring 9, and the air inlet base 2 and the air outlet cover 7 are sealed by a first sealing ring 8.
The bracket 3 comprises an upper connecting part 31 and a lower connecting part 32; the upper connecting part 31 is positioned above the lower connecting part 32, and the upper connecting part 31 and the lower connecting part 32 are connected through connecting blocks 33 arranged at intervals; the connecting blocks 33 are uniformly distributed; in this embodiment, the upper connecting portion 31 has a circular ring shape; the lower connecting portion 32 is also annular; the connecting blocks 33 are 4 and uniformly distributed.
After assembly, the highest point of the periphery of the upper surface of the air intake base 2 is not higher than half of the height of the helical blade 62 on the impeller 6.
During operation, external air flow enters from a central air guide hole in the middle of the lower surface of the air inlet base 2, is thrown out from the space between adjacent spiral blades after being stirred by the impeller 6, and after assembly, the highest point of the periphery of the upper surface of the air inlet base 2 is not higher than half of the height of the spiral blades; most of the air flow thrown out from the adjacent spiral blades can be directly discharged from the air outlet holes uniformly distributed on the air outlet cover 7, that is, the bracket 3 hardly blocks the advancing direction of the air flow thrown out from the adjacent spiral blades, and hardly forces the air flow thrown out from the adjacent spiral blades to change the original advancing direction, namely, the route of the air flow is direct, shortest and hardly blocked, so that the efficiency is high and the noise is low; meanwhile, the cross section of the impeller base plate 61 is inclined, and the height of the impeller base plate is gradually reduced from the central through hole 63, so that the cross section area of an airflow channel between adjacent spiral blades 62 is gradually increased, and when the impeller base plate works, the speed of the airflow is reduced along with the increase of the cross section area of the airflow channel, and the noise is reduced; in addition, the lower surface of the impeller base plate 61 is also provided with regularly arranged spiral ribs 64; in the working process, due to the existence of centrifugal force, the gas between the lower surface of the impeller base plate 61 and the air inlet base 2 is thrown outwards along the airflow channel between the adjacent spiral ribs 64, so that the formation of reverse wind is prevented, and the loss of efficiency is avoided.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the lower surface of the impeller base plate 61 in the high-efficiency mute impeller is also provided with regularly arranged spiral ribs 64; in the working process, due to the existence of centrifugal force, the gas between the lower surface of the impeller base plate 61 and the air inlet base 2 is thrown outwards along the airflow channel between the adjacent spiral ribs 64, so that the formation of reverse-flow wind is prevented, and the loss of efficiency is avoided; in addition, the cross section of the impeller base plate 61 is inclined, and the height gradually decreases from the central through hole 63, which causes the cross section area of the airflow channel between the adjacent spiral blades 62 to gradually increase, and during operation, the airflow reduces the speed along with the increase of the cross section area of the airflow channel between the adjacent spiral blades, and the noise also reduces; meanwhile, the arrangement can make full use of the limited space, so that the fan is more compact.
The above-mentioned embodiments are only for illustrating the technical idea and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the protection scope of the present invention by this, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (10)
1. A high-efficiency mute impeller comprises an impeller base plate; the central part of the impeller base plate is provided with a central through hole; the upper surface of the impeller base plate is provided with regularly-arranged spiral blades; the air flow entering from the central through hole can be thrown outwards from the air flow channel between the adjacent spiral blades; the method is characterized in that: the lower surface of the impeller base plate is also provided with regularly arranged spiral ribs so that gas between the impeller base plate and the air inlet base can be thrown outwards from the airflow channel between the adjacent spiral ribs.
2. The high efficiency silent impeller according to claim 1, wherein: the spiral blades are arranged corresponding to the spiral ribs one by one.
3. The high efficiency silent impeller according to claim 1, wherein: the cross section of the impeller base plate is inclined, and the height of the impeller base plate is gradually reduced from the central through hole; the included angle between the cross section of the impeller base plate and the horizontal plane is 0-45 degrees.
4. A high efficiency silent impeller according to claim 3, characterized in that: the cross section of the impeller base plate and the horizontal plane form an included angle of 15 degrees.
5. A highly efficient mute impeller according to claim 1 or 2 or 3 or 4 wherein: the fan for the efficient mute impeller comprises a main body, an air inlet base and an air outlet cover; the main body is connected with the air inlet base through a bracket; the main body is used for mounting a motor; an output shaft of the motor is connected with the impeller top cover and used for driving the impeller top cover to rotate; the impeller is fixed on the lower surface of the impeller top cover and rotates along with the impeller top cover; the central air guide hole of the air inlet base is at least partially inserted into the central through hole on the impeller; the main body and the air inlet base are arranged in the air outlet cover, the main body and the air outlet cover are sealed by a second sealing ring, and the air inlet base and the air outlet cover are sealed by a first sealing ring; most of the side surfaces of the bracket are hollowed out.
6. The high efficiency silent impeller according to claim 5, wherein: the impeller top cover is arranged inside the bracket.
7. The high efficiency squelch impeller of claim 5 wherein: the bracket comprises an upper connecting part and a lower connecting part; the upper connecting part is positioned above the lower connecting part, and the upper connecting part and the lower connecting part are connected through connecting blocks arranged at intervals.
8. The high efficiency squelch impeller of claim 7 wherein: the connecting blocks are uniformly distributed.
9. The high efficiency silent impeller of claim 7, wherein: the upper connecting part is annular; the lower connecting part is also in a circular ring shape; the connecting blocks are 4 and evenly distributed.
10. The high efficiency silent impeller according to claim 5, wherein: after assembly, the highest point of the periphery of the upper surface of the air inlet base is not higher than half of the height of the spiral blades on the impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211327258.3A CN115681207A (en) | 2022-10-26 | 2022-10-26 | High-efficient silence impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211327258.3A CN115681207A (en) | 2022-10-26 | 2022-10-26 | High-efficient silence impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115681207A true CN115681207A (en) | 2023-02-03 |
Family
ID=85099247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211327258.3A Pending CN115681207A (en) | 2022-10-26 | 2022-10-26 | High-efficient silence impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115681207A (en) |
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2022
- 2022-10-26 CN CN202211327258.3A patent/CN115681207A/en active Pending
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