A cooling fan
A fan and fan blade technology, applied in mechanical equipment, machines/engines, liquid fuel engines, etc., can solve problems such as unreasonable heat dissipation structure, poor gas fluidity of fan, and imperfect design of fan blades, etc.
Inactive Publication Date: 2019-02-12
佛山市朗然通风设备有限公司
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Problems solved by technology
[0003] In the prior art, the fan is usually supported by the casing, and the fan blades are arranged inside the casing. This kind of fan has poor gas fluidity, which leads to poor heat dissipation effect, and the design of the fan blade is not perfect, resulting in an unreasonable heat dissipation structure.
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[0023] Below in conjunction with accompanying drawing and embodiment, further elaborate the present invention. In the following detailed description, certain exemplary embodiments of the invention are described by way of illustration only. Needless to say, those skilled in the art would realize that the described embodiments can be modified in various different ways, all without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
[0024] Such as Figures 1 to 2 As shown, the cooling fan according to the embodiment of the present invention includes:
[0025] The main body 1, the main body 1 includes a protruding part 11 and a flat part 12;
[0026] Fan blade 2, the fan blade 2 is a three-dimensional structure, the lower surface of the fan blade 2 is paddle-shaped, and the narrow end is close to the protrusion 11, and the upper surface of the fan ...
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The invention discloses a draught fan for heat dissipation. The draught fan comprises a body, fan blades and supporting parts. The body comprises a protruding part and a plane part. The fan blades are of a stereoscopic structure, the lower surfaces of the fan blades are in a paddle shape, the narrow ends of the fan blades are close to the protruding part, and two opposite inclined surfaces forming a 4-degree included angle with the vertical surface are arranged at the end, close to the protruding part, of the upper surface of each fan blade. The supporting parts cover the plane part away from the protruding part and are connected to the side surface of the protruding part in an abutting mode. According to the draught fan for heat dissipation, the supporting parts are used for supporting the draught fan and do not completely cover the body, and thus the fan blades arranged on the side surface of the protruding part are not covered by the supporting parts so that hot air can be discharged from all sides with the cooperation of the fan blades distributed on the side surface of the protruding part in a radiation mode in the circumferential direction, the air mobility is enhanced, and the heat dissipating performance of the draught fan is improved.
Description
technical field [0001] The invention relates to the technical field of mechanical equipment, in particular to a cooling fan. Background technique [0002] The fan is a machine that relies on the input mechanical energy to increase the gas pressure and discharge the gas. It is a driven fluid machine. Fan is the customary abbreviation for gas compression and gas conveying machinery in my country. Usually, fans include ventilators, blowers and wind generators. [0003] In the prior art, the fan is usually supported by a casing, and the fan blades are arranged in the casing. This kind of fan has poor gas flow, which leads to poor heat dissipation effect, and the design of the fan blade is not perfect, resulting in an unreasonable heat dissipation structure. Contents of the invention [0004] The present invention aims to solve at least one of the problems of the prior art. [0005] The object of the present invention is to provide a cooling fan. [0006] The cooling fan acc...
Claims
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IPC IPC(8): F04D25/08F04D29/30F04D29/58
CPCF04D25/08F04D29/30F04D29/58
Inventor 汪宁沈建荣
Owner 佛山市朗然通风设备有限公司