CN212337721U - Fan frame structure - Google Patents
Fan frame structure Download PDFInfo
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- CN212337721U CN212337721U CN202021296856.5U CN202021296856U CN212337721U CN 212337721 U CN212337721 U CN 212337721U CN 202021296856 U CN202021296856 U CN 202021296856U CN 212337721 U CN212337721 U CN 212337721U
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- frame structure
- fan
- fan frame
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- flow channel
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Abstract
The utility model provides a fan frame structure, have a bottom surface and a top surface and a runner including a framework, this runner is established between this bottom surface and this top surface, and this bottom surface and this top surface have an export and this runner of entry intercommunication respectively, and wherein this export has an export edge, and this export edge is equipped with plural recess and this runner intercommunication, relies on the structural design of these recesses, go into with the produced noise problem when reducing the fan operation by a wide margin.
Description
Technical Field
The present invention relates to a fan frame structure, and more particularly to a fan frame structure capable of substantially reducing noise generated during operation of a fan.
Background
With the rapid development of electronic products toward high performance, high frequency, high speed and light weight, the heating temperature of electronic products is higher and higher, which is likely to cause instability, and affects the reliability and service life of the products.
The principle of the fan generating cooling airflow is not limited to the wing-shaped design of the fan blades on the rotor, the rotor is driven by the motor and the circuit board, so that the rotor rotates at a rated speed, the rotating wing-shaped blades turn to do work to generate thrust to generate cooling airflow, the frame body often generates unnecessary fundamental frequency vibration to derive extra noise when the rotor rotates, and the fan with the common rotating speed is overloaded along with the stricter heat dissipation requirements of a server and network communication equipment, so that the rotating speed of the fan needs to be increased more, and the airflow at the outlet of the fan is turbulent, so that the problem of huge overall noise of the fan is accompanied and needs to be solved.
As described above, the prior art has the following disadvantages:
1. the fan generates huge noise when running at high rotating speed;
2. the fan generates severe vibration when operating.
Therefore, how to solve the above-mentioned problems and disadvantages is a direction in which the inventors of the present invention and related manufacturers engaged in the industry need to research and improve.
SUMMERY OF THE UTILITY MODEL
Accordingly, to effectively solve the above problems, a main object of the present invention is to provide a fan housing structure that greatly reduces noise generated when a fan operates.
The secondary objective of the present invention is to provide a fan frame structure that can greatly reduce the vibration generated during the operation of the fan.
To achieve the above object, the present invention provides a fan frame structure, which comprises a frame body having a bottom surface, a top surface and a flow channel, wherein the flow channel is disposed between the bottom surface and the top surface, the bottom surface and the top surface have an outlet and an inlet respectively communicating with the flow channel, the outlet has an outlet edge, and the outlet edge is disposed with a plurality of grooves and communicating with the flow channel.
The fan frame structure, wherein: the grooves are arranged around the outlet edge at equal or unequal intervals or staggered intervals.
The fan frame structure, wherein: the outlet edge is a curved included angle surface or an inclined surface.
The fan frame structure, wherein: the shape of the groove is in a strip shape or a triangle shape or an isosceles trapezoid shape.
The fan frame structure, wherein: the grooves are disposed orthogonally or non-orthogonally to the outlet edge.
The fan frame structure, wherein: and a base positioned in the flow passage, the base being connected to the frame via a plurality of connectors and supported at the outlet.
The fan frame structure, wherein: the connecting pieces are vanes or ribs.
The fan frame structure, wherein: a fan wheel is pivoted in the flow channel.
The fan frame structure, wherein: the frame body is provided with an inner side wall facing the flow channel.
The fan frame structure, wherein: the outlet edge is located between or at the junction of the inner side wall and the bottom surface.
Therefore, through the utility model discloses the design of this structure, when the air current via export discharge to the framework outside, rely on the recess design that this export edge was seted up, can let the turbulent gas of export contact the outside air of framework in advance, not only can reduce the noise that the fan produced when moving, still can reduce the vibration that the fan produced when moving by a wide margin.
Drawings
Fig. 1 is a perspective view of a first embodiment of the fan frame structure of the present invention;
FIG. 2 is another perspective view of the first embodiment of the fan frame of the present invention;
FIG. 3 is a perspective view of a second embodiment of the fan frame structure of the present invention;
fig. 4 is a perspective view of a third embodiment of the fan frame structure of the present invention;
fig. 5 is a perspective view of a fourth embodiment of the fan frame structure of the present invention;
fig. 6 is a perspective view of a fifth embodiment of the fan frame structure of the present invention.
Description of reference numerals: a fan frame structure 2; a bottom surface 20; a top surface 21; a flow passage 22; an inner side wall 23; an outlet 24; an outlet edge 240; an inlet 25; a bevel 26; a frame 27; a groove 3; a base 4; a connecting member 40; and a fan wheel 5.
Detailed Description
The above objects, together with the structure and functional characteristics of the invention, will be best understood from the following description of the preferred embodiments when read in connection with the accompanying drawings.
Please refer to fig. 1 and 2, which are perspective views of a fan frame structure of the present invention, as shown in the figure, a fan frame structure 2 includes a frame 27, the frame 27 has a bottom surface 20, a top surface 21 and a flow channel 22, the flow channel 22 is disposed between the bottom surface 20 and the top surface 21, the flow channel 22 faces an inner sidewall 23 of the frame 27, and the bottom surface 20 and the top surface 21 respectively have an outlet 24 and an inlet 25 communicating with the flow channel 22.
A fan wheel 5 is correspondingly pivoted in the flow channel 22 of the frame 27, and the structure of the fan wheel 5 is the structure of the existing fan wheel (having a hub, and a plurality of fan blades outwardly extending from the outer periphery of the hub), so that the detailed description thereof is omitted.
In addition, the fan frame structure 2 further has a base 4, the base 4 is connected to the frame 27 via a plurality of connecting members 40 and supported at the outlet 24, the connecting members 40 are illustrated as ribs in the preferred embodiment, but the invention is not limited thereto, and can also be stationary blades or other equivalent.
The outlet 24 of the frame 27 has an outlet edge 240, the outlet edge 240 is a folded included angle surface, that is, the outlet edge 240 is a joint of the bottom surface 20 and the inner side wall 23 of the frame 27, the outlet edge 240 is provided with a plurality of grooves 3 to communicate with the flow channel 22, in this embodiment, each of the grooves 3 is arranged around the outlet edge 240 at equal intervals (i.e., a joint of the bottom surface 20 and the inner side wall 23 of the frame 27), but not limited thereto, the grooves 3 may also be arranged around the outlet edge 240 at unequal intervals (as shown in fig. 3, which is a second embodiment of the present invention), and the grooves 3 and the outlet edge 240 of this embodiment are orthogonal (i.e., the joint of the grooves 3 and the outlet edge 240 forms an included angle of 90 °), or, as shown in fig. 4, the grooves 3 and the outlet edge 240 may be non-orthogonal (i.e. the joint of the grooves 3 and the outlet edge 240 forms an included angle different from 90 °, which is the third embodiment of the present invention), and in addition, the number and size of the grooves 3 may also be adjusted according to the user's requirements, which will be described in advance.
Referring to fig. 5, a perspective view of a fourth embodiment of the fan frame structure of the present invention is shown, wherein the outlet edge 240 in this embodiment is an inclined plane 26, that is, the inclined plane 26 is formed at the junction of the inner sidewall 23 and the bottom surface 20 of the frame 27, the groove 3 is formed on the inclined plane 26, and the shape of the groove 3 is a strip-shaped structure, or a triangle-shaped structure similar to an isosceles triangle, an equilateral triangle, or an isosceles trapezoid, as shown in fig. 6 (which is a fifth embodiment of the present invention), in other words, the shape of the groove 3 can be adjusted and changed according to the needs of the user, so as to achieve the effects of the present invention.
Therefore, through the design of the present invention, when the air current passes through the outlet 24 is discharged to the outside of the frame 27, the design of the groove 3 provided at the outlet edge 240 can make the turbulent air at the outlet 24 contact the outside air of the frame 27 in advance, which not only can reduce the noise generated during the operation of the fan, but also can greatly reduce the vibration generated during the operation of the fan.
It is above, compared with the prior art, the utility model has the following advantages:
1. greatly reducing the noise of the fan when the fan runs at high rotating speed;
2. greatly reduce the vibration generated when the fan runs.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A fan frame structure, comprising:
the frame body is provided with a bottom surface, a top surface and a flow channel, the flow channel is arranged between the bottom surface and the top surface, the bottom surface and the top surface are respectively provided with an outlet and an inlet which are communicated with the flow channel, wherein the outlet is provided with an outlet edge, and the outlet edge is provided with a plurality of grooves which are communicated with the flow channel.
2. The fan frame structure of claim 1, wherein: the grooves are arranged around the outlet edge at equal or unequal intervals or staggered intervals.
3. The fan frame structure of claim 1, wherein: the outlet edge is a curved included angle surface or an inclined surface.
4. The fan frame structure of claim 1, wherein: the shape of the groove is in a strip shape or a triangle shape or an isosceles trapezoid shape.
5. The fan frame structure of claim 1, wherein: the grooves are disposed orthogonally or non-orthogonally to the outlet edge.
6. The fan frame structure of claim 1, wherein: and a base positioned in the flow passage, the base being connected to the frame via a plurality of connectors and supported at the outlet.
7. The fan frame structure of claim 6, wherein: the connecting pieces are vanes or ribs.
8. The fan frame structure of claim 1, wherein: a fan wheel is pivoted in the flow channel.
9. The fan frame structure of claim 1, wherein: the frame body is provided with an inner side wall facing the flow channel.
10. The fan frame structure of claim 9, wherein: the outlet edge is located between or at the junction of the inner side wall and the bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021296856.5U CN212337721U (en) | 2020-07-03 | 2020-07-03 | Fan frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021296856.5U CN212337721U (en) | 2020-07-03 | 2020-07-03 | Fan frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212337721U true CN212337721U (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021296856.5U Active CN212337721U (en) | 2020-07-03 | 2020-07-03 | Fan frame structure |
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| CN (1) | CN212337721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828394A (en) * | 2020-07-03 | 2020-10-27 | 奇宏电子(深圳)有限公司 | Fan frame structure |
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2020
- 2020-07-03 CN CN202021296856.5U patent/CN212337721U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828394A (en) * | 2020-07-03 | 2020-10-27 | 奇宏电子(深圳)有限公司 | Fan frame structure |
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