CN213808170U - Fan with optimized structure - Google Patents
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- CN213808170U CN213808170U CN202022862162.XU CN202022862162U CN213808170U CN 213808170 U CN213808170 U CN 213808170U CN 202022862162 U CN202022862162 U CN 202022862162U CN 213808170 U CN213808170 U CN 213808170U
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Abstract
The utility model discloses a fan of configuration optimization. The fan with the optimized structure comprises a fan frame, wherein the fan frame is provided with a motor, the output shaft of the motor is connected with fan blades, the fan blades comprise a hub and a blade frame which are coaxially arranged, the hub and the blade frame are connected into a whole through a plurality of uniformly distributed fan blades, and the number of the fan blades is 3\5\7\9\11\13\ 15. The utility model provides a current car heat dissipation blast air inefficiency, problem that the noise is big.
Description
Technical Field
The utility model belongs to the technical field of a fan technique and specifically relates to a configuration optimization's fan is related to.
Background
In recent years, commercial vehicle engines are rapidly developed to have high horsepower, automatic transmissions, retarders are increasingly widely matched, and the like, which all result in obvious increase of heat dissipation capacity, especially new emission regulations. Meanwhile, requirements for energy conservation, emission reduction and comfort are gradually improved, energy is required to be saved as much as possible while performance requirements are met in the design of the whole vehicle and parts, and higher requirements for fan blowing efficiency and noise reduction are provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fan of fan blade intensity is good, fan blast air efficiency is high, the good configuration optimization of noise reduction effect's fan to the not enough of prior art.
In order to achieve the above object, the utility model discloses a technical scheme that configuration optimization's fan adopted is:
the fan with the optimized structure comprises a fan frame, wherein a motor is arranged on the fan frame, fan blades are connected to an output shaft of the motor, the fan blades comprise a hub and a blade frame which are coaxially arranged, the hub and the blade frame are connected into a whole through a plurality of uniformly distributed fan blades, and the number of the fan blades is 3\5\7\9\11\13\ 15. The asymmetric equipartition of flabellum is global in wheel hub, the flabellum takes place the resonance rather than relative flabellum when avoiding rotatory, reduces the loss rate of motor output, the leaf frame links the end of each flabellum as an organic whole, has improved flabellum bulk strength, avoids the end of flabellum to receive wind pressure deformation vibration in the course of the work, the leaf frame leads the air current of fan blade air intake simultaneously, and prevent the air current that gets into the fan at the terminal loss of blade, thereby improve blast efficiency, the noise reduction.
Preferably, the fan blades are in a sail blade shape, and the included angle between the fan blades and the end face of the hub is 25-45 degrees. The sail leaf-shaped fan blades have good strength and large stressed draught area.
Preferably, the fan frame comprises a base for mounting the motor, an annular frame is coaxially arranged on the base and extends to the outer side of the blade frame, and the annular frame is connected with the base into a whole through a plurality of spokes. The annular frame protects the fan blades and prevents airflow from escaping at the air outlets of the fan blades, so that the blast efficiency is improved; the space between the spokes can be used as a fixed space for fixing and reserving wire harnesses, resistors and the like.
Preferably, the spokes are straight plates, and the included angle between the spokes and the bottom surface of the base is 55-75 degrees. The oblique arrangement of the spokes plays a role in guiding the air flow.
Preferably, the end face of the hub facing the wind is provided with a plurality of strip-shaped bulges, and the strip-shaped bulges point to the central position of the root of the corresponding fan blade. The strip-shaped protrusion plays a certain role in guiding the airflow.
Compared with the prior art, the utility model, have following advantage:
1. the sail-shaped fan blades have good strength and large stressed draught area, are asymmetrically arranged on the peripheral surface of the hub, avoid resonance between the fan blades and the opposite fan blades during rotation, reduce the loss rate of the output of the motor and improve the blast efficiency of the fan;
2. the blade frame connects the tail ends of the fan blades into a whole, so that the integral strength of the fan blades is improved, the tail ends of the fan blades are prevented from being deformed and vibrated by wind pressure in the working process, the noise is reduced, meanwhile, the blade frame guides the airflow at the air inlet of the fan blades, and the airflow entering the fan is prevented from escaping from the tail ends of the fan blades, so that the blast efficiency is improved;
3. the annular frame protects the fan blades and prevents airflow from escaping at the air outlets of the fan blades, so that the blast efficiency is improved;
4. the spokes and the strip-shaped protrusions which are arranged in an inclined mode play a certain guiding role in air flow, and the blowing efficiency of the fan is further improved.
Drawings
FIG. 1 is a schematic diagram of a structurally optimized fan;
FIG. 2 is an exploded view of a structurally optimized fan;
FIG. 3 is a front view of the fan frame;
FIG. 4 is a cross-sectional view B-B of FIG. 3;
FIG. 5 is a front view of a fan blade;
fig. 6 is a sectional view a-a of fig. 5.
The fan comprises a fan frame 1, a base 11, a ring frame 12, spokes 13, a motor 2, fan blades 3, a hub 31, a blade frame 32, fan blades 33 and strip-shaped protrusions 34.
Detailed Description
The present invention will be further clarified by the following description in conjunction with the accompanying drawings, which are to be understood as illustrative only and not as limiting the scope of the invention, and modifications of the various equivalent forms of the invention by those skilled in the art after reading the present invention are within the scope defined by the appended claims.
As shown in fig. 1 to 6, a fan with optimized structure comprises a fan frame 1, the fan frame comprises a base 11, a motor 2 is arranged on the base, the output end of the motor is connected with a fan blade 3, the fan blade comprises a hub 31 and a blade frame 32 which are coaxially arranged, the hub and the blade frame are connected into a whole through 9 evenly distributed fan blades 33, the fan blades are in a sail blade shape, the included angle between the fan blades and the end surface of the hub is 35 degrees, the strength of the sail blade in the sail blade shape is good, the stressed area is large, the fan is facilitated to improve the blowing efficiency, 9 strip-shaped bulges 34 are arranged on the windward end surface of the hub and point to the central position corresponding to the root parts of the fan blades, the strip-shaped bulges introduce the airflow of the end surface of the hub into the space between the fan blades, an annular frame 12 is coaxially arranged on the outer side of the blade frame, one end of the annular frame is flush with the windward end surface of the blade frame, the other end of the annular frame is connected with the base through 9 spokes 13, and the spokes are straight plates, the spoke and the base end face included angle are 65 degrees, the spoke is obliquely arranged to guide the air flow, and the space between the spoke and the spoke can be used as a fixed reserved fixing space for wiring harnesses, resistors and the like.
The utility model discloses a concrete working process and principle: the fan blade rotates along with the fan blade, the blade frame introduces airflow of the fan air inlet, the strip-shaped protrusions introduce the airflow of the end face of the hub into the fan blades, the fan blades are asymmetrically arranged on the peripheral face of the hub, resonance between the fan blades and the opposite fan blades is avoided when the fan blades rotate, mechanical energy loss is reduced, the strength of the tail ends of the fan blades is improved by the blade frame, noise caused by deformation and vibration of the tail ends of the fan blades is avoided, the stressed draught area of the fan blades is ensured, the airflow at the tail ends of the fan blades is prevented from escaping everywhere, the annular frame prevents the airflow at the fan air outlet from escaping everywhere, and the fact that the airflow passing through the fan blades is completely discharged through the spoke guide is ensured. The utility model discloses simple structure, flabellum intensity is high, and furthest reduces the mechanical energy loss, and the noise reduction guarantees the air current utilization ratio who gets into the fan to the blast air efficiency of fan has been improved.
Claims (4)
1. A fan with optimized structure is characterized in that: including fan frame, fan frame is provided with the motor, and motor output shaft has the fan blade, and the fan blade is including the wheel hub and the leaf frame of coaxial setting, and wheel hub and leaf frame are even as an organic whole through the flabellum of a plurality of equipartition, and flabellum quantity is 3\5\7\9\11\13\15, fan frame is including the base of installation motor, and the base is coaxial to be provided with annular frame, and annular frame stretches to the leaf frame outside, and annular frame is even as an organic whole with the base through a plurality of spoke.
2. The structurally optimized fan of claim 1, wherein: the fan blades are in a sail blade shape, and the included angle between the fan blades and the end face of the hub is 25-45 degrees.
3. The structurally optimized fan of claim 1, wherein: the spokes are straight plates, and the included angle between the spokes and the bottom surface of the base is 55-75 degrees.
4. A structurally optimized fan according to any one of claims 1-2, wherein: the end face of the hub facing the wind is provided with a plurality of strip-shaped bulges, and the strip-shaped bulges point to the central position of the root of the corresponding fan blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022862162.XU CN213808170U (en) | 2020-12-03 | 2020-12-03 | Fan with optimized structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022862162.XU CN213808170U (en) | 2020-12-03 | 2020-12-03 | Fan with optimized structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213808170U true CN213808170U (en) | 2021-07-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022862162.XU Active CN213808170U (en) | 2020-12-03 | 2020-12-03 | Fan with optimized structure |
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| Country | Link |
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| CN (1) | CN213808170U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738288A (en) * | 2022-04-07 | 2022-07-12 | 武汉理工大学 | Integrated motor-driven pump and motor-driven pump set |
-
2020
- 2020-12-03 CN CN202022862162.XU patent/CN213808170U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738288A (en) * | 2022-04-07 | 2022-07-12 | 武汉理工大学 | Integrated motor-driven pump and motor-driven pump set |
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