CN214998317U - Centrifugal heat radiation fan - Google Patents
Centrifugal heat radiation fan Download PDFInfo
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- CN214998317U CN214998317U CN202120488071.6U CN202120488071U CN214998317U CN 214998317 U CN214998317 U CN 214998317U CN 202120488071 U CN202120488071 U CN 202120488071U CN 214998317 U CN214998317 U CN 214998317U
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- impeller
- side wall
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Abstract
The utility model discloses a centrifugal radiator fan, include: the impeller comprises an upper cover plate, a metal base plate and an impeller positioned between the upper cover plate and the metal base plate, wherein a side wall plate is arranged at the edge of the metal base plate, an air outlet is formed in one side of the side wall plate, an upper air inlet is formed in the upper cover plate, a positioning barrel is arranged in the center of the metal base plate, the impeller further comprises a hub with a shaft core rotor part at the bottom and a plurality of blades which are arranged on the outer side wall of the hub at intervals, and the shaft core rotor part of the impeller is connected with the positioning barrel of the metal base plate in a rotating fit manner; the metal soleplate's bar through-hole inside wall is provided with a plurality of pairs of arc branches at interval, and every 2 arc branches are in setting up in opposite directions in every pair of arc branches, and this arc branch embedding in the lateral wall of plastic sheet layer. The utility model discloses centrifugal radiator fan had both reduced the whole weight of axle center fan, had also improved the joint strength of metal soleplate and plastic sheet layer to the reliability and the life of fan have been improved.
Description
Technical Field
The utility model relates to a centrifugal radiator fan belongs to the electronic product heat dissipation field.
Background
As people pay more attention to quality and taste of life, the pursuit of science and technology is more perfect, and portable and trendy electronic devices such as notebook computers tend to be light, thin and exquisite. The heat dissipation fan is an important heat dissipation module for computer products (especially notebook computers), because the temperature directly affects the operating performance, stability and service life of the CPU, and the structural design of the heat dissipation fan relatively changes with the design development trend of computer product form.
Disclosure of Invention
The utility model aims at providing a centrifugal radiator fan, this centrifugal radiator fan had both reduced the whole weight of axle center fan, had also improved the bonding strength of metal soleplate and plastic sheet layer to the reliability and the life of fan have been improved.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a centrifugal heat-dissipating fan comprising: the impeller comprises an upper cover plate, a metal base plate and an impeller positioned between the upper cover plate and the metal base plate, wherein a side wall plate is arranged at the edge of the metal base plate, an air outlet is formed in one side of the side wall plate, an upper air inlet is formed in the upper cover plate, a positioning barrel is arranged in the center of the metal base plate, the impeller further comprises a hub with a shaft core rotor part at the bottom and a plurality of blades which are arranged on the outer side wall of the hub at intervals, and the shaft core rotor part of the impeller is connected with the positioning barrel of the metal base plate in a rotating fit manner;
the metal soleplate's bar through-hole inside wall is provided with a plurality of pairs of arc branches at interval, and every 2 arc branches are in setting up in opposite directions in every pair of arc branch, and this arc branch embedding in the lateral wall of plastic sheet layer.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the plurality of pairs of arc-shaped supporting strips are arranged on one side, far away from the positioning cylinder, of the inner side wall of the strip-shaped through hole.
2. In the above scheme, the upper air inlet of the upper cover plate is a circular through hole.
3. In the above scheme, the second aluminum plates protrude upwards relative to the joint points, so as to form the flow channel.
4. In the above scheme, the diameter ratio of the impeller to the upper air inlet of the upper cover plate is 10: 6-8.
Because of the application of the technical scheme, compared with the prior art, the utility model have following advantage and effect:
the utility model discloses centrifugal radiator fan, the bar through-hole inside wall interval of its metal bottom plate is provided with a plurality of pairs of arc branches, and every 2 arc branches are setting in opposite directions in every pair of arc branches, and this arc branch imbeds in the lateral wall of plastic sheet layer, both reduced the whole weight of axle center fan, also improved the joint strength of metal bottom plate and plastic sheet layer to the reliability and the life of fan have been improved.
Drawings
Fig. 1 is a schematic top view of a centrifugal heat dissipation fan according to the present invention;
fig. 2 is a schematic view of the centrifugal heat dissipation fan according to the present invention;
fig. 3 is a schematic view of a partial structure of the centrifugal heat dissipation fan of the present invention;
fig. 4 is an exploded schematic view of the centrifugal heat dissipation fan of the present invention.
In the above drawings: 1. an upper cover plate; 2. a metal base plate; 3. an impeller; 31. a hub; 32. a blade; 301. a shaft core rotor portion; 4. a side wall panel; 5. an air outlet; 6. an upper air inlet; 7. a positioning cylinder; 8. a strip-shaped through hole; 9. reinforcing ribs; 10. a plastic sheet layer; 12. arc-shaped branch bars; 13. and a lower air inlet.
Detailed Description
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the patent; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
Example 1: a centrifugal heat-dissipating fan comprising: the impeller comprises an upper cover plate 1, a metal base plate 2 and an impeller 3 positioned between the upper cover plate 1 and the metal base plate 2, wherein the edge of the metal base plate 2 is provided with a side wall plate 4, one side of the side wall plate 4 is provided with an air outlet 5, the upper cover plate 1 is provided with an upper air inlet 6, the center of the metal base plate 2 is provided with a positioning cylinder 7, the impeller 3 further comprises a hub 31 with a shaft core rotor part 301 at the bottom and a plurality of blades 32 arranged on the outer side wall of the hub 31 at intervals, and the shaft core rotor part 301 of the impeller 3 is connected with the positioning cylinder 7 of the metal base plate 2 in a rotating fit manner;
a plurality of pairs of arc-shaped supporting strips 12 are arranged on the inner side wall of the strip-shaped through hole 8 of the metal bottom plate 2 at intervals, 2 arc-shaped supporting strips 12 in each pair of arc-shaped supporting strips 12 are arranged in opposite directions, and the arc-shaped supporting strips 12 are embedded into the side wall of the plastic plate layer 10.
A lower air inlet 13 is arranged between the strip-shaped through hole 8 of the metal bottom plate 2 and the shaft core rotor part 301.
The upper air inlet 6 of the upper cover plate 1 is a circular through hole.
The diameter ratio of the impeller 3 to the upper air inlet 6 of the upper cover plate 1 is 10: 6.5.
example 2: a centrifugal heat-dissipating fan comprising: the impeller comprises an upper cover plate 1, a metal base plate 2 and an impeller 3 positioned between the upper cover plate 1 and the metal base plate 2, wherein the edge of the metal base plate 2 is provided with a side wall plate 4, one side of the side wall plate 4 is provided with an air outlet 5, the upper cover plate 1 is provided with an upper air inlet 6, the center of the metal base plate 2 is provided with a positioning cylinder 7, the impeller 3 further comprises a hub 31 with a shaft core rotor part 301 at the bottom and a plurality of blades 32 arranged on the outer side wall of the hub 31 at intervals, and the shaft core rotor part 301 of the impeller 3 is connected with the positioning cylinder 7 of the metal base plate 2 in a rotating fit manner;
a plurality of pairs of arc-shaped supporting strips 12 are arranged on the inner side wall of the strip-shaped through hole 8 of the metal bottom plate 2 at intervals, 2 arc-shaped supporting strips 12 in each pair of arc-shaped supporting strips 12 are arranged in opposite directions, and the arc-shaped supporting strips 12 are embedded into the side wall of the plastic plate layer 10.
The arc-shaped supporting strips 12 are arranged on one side, far away from the positioning cylinder, of the inner side wall of the strip-shaped through hole 8.
A lower air inlet 13 is arranged between the strip-shaped through hole 8 of the metal bottom plate 2 and the shaft core rotor part 301.
The diameter ratio of the impeller 3 to the upper air inlet 6 of the upper cover plate 1 is 10: 7.2.
when adopting above-mentioned blowing-up formula soaking structure that can antigravity, the bar through-hole inside wall of its metal bottom plate is provided with a plurality of pairs of arc branches at interval, and every 2 arc branches are setting up in opposite directions in every pair of arc branches, and this arc branch embedding in the lateral wall of plastic sheet layer, both reduced the whole weight of axle center fan, also improved the joint strength of metal bottom plate and plastic sheet layer to the reliability and the life of fan have been improved.
The above embodiments are merely illustrative of the technical concepts and features of the present invention, and are intended to enable one skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present patent shall be covered by the protection scope of the present patent.
Claims (5)
1. A centrifugal radiator fan, its characterized in that: the method comprises the following steps: the impeller comprises an upper cover plate (1), a metal base plate (2) and an impeller (3) positioned between the upper cover plate (1) and the metal base plate (2), wherein a side wall plate (4) is arranged at the edge of the metal base plate (2), an air outlet (5) is formed in one side of the side wall plate (4), an upper air inlet (6) is formed in the upper cover plate (1), a positioning barrel (7) is arranged at the center of the metal base plate (2), the impeller (3) further comprises a hub (31) with a shaft core rotor part (301) at the bottom and a plurality of blades (32) arranged on the outer side wall of the hub (31) at intervals, and the shaft core rotor part (301) of the impeller (3) is connected with the positioning barrel (7) of the metal base plate (2) in a rotating fit manner;
the strip-shaped through hole (8) inside wall of the metal bottom plate (2) is provided with a plurality of pairs of arc-shaped branches (12) at intervals, each pair of arc-shaped branches (12) are oppositely arranged, and the arc-shaped branches (12) are embedded into the side wall of a plastic plate layer (10).
2. The centrifugal heat dissipating fan according to claim 1, wherein: the arc-shaped supporting strips (12) are arranged on one side, far away from the positioning cylinder, of the inner side wall of the strip-shaped through hole (8).
3. The centrifugal heat dissipating fan according to claim 1, wherein: and a lower air inlet (13) is formed between the strip-shaped through hole (8) of the metal base plate (2) and the shaft core rotor part (301).
4. The centrifugal heat dissipating fan according to claim 1, wherein: the upper air inlet (6) of the upper cover plate (1) is a circular through hole.
5. The centrifugal heat dissipating fan according to claim 1, wherein: the diameter ratio of the impeller (3) to the upper air inlet (6) of the upper cover plate (1) is 10: 6-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120488071.6U CN214998317U (en) | 2021-03-08 | 2021-03-08 | Centrifugal heat radiation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120488071.6U CN214998317U (en) | 2021-03-08 | 2021-03-08 | Centrifugal heat radiation fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214998317U true CN214998317U (en) | 2021-12-03 |
Family
ID=79156039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120488071.6U Active CN214998317U (en) | 2021-03-08 | 2021-03-08 | Centrifugal heat radiation fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214998317U (en) |
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2021
- 2021-03-08 CN CN202120488071.6U patent/CN214998317U/en active Active
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