CN207195234U - A cooling fan with two sets of light sources - Google Patents

Abstract

The utility model relates to the technical field of fans, in particular to a cooling fan with double groups of luminous sources, which comprises a fan frame and fan blades, wherein the fan blades are assembled corresponding to a central shaft in the fan frame; an inner annular light source is arranged on the periphery of the middle shaft of the fan frame and is positioned on the inner lower side of the fan blade; therefore, the fan is provided with the double-group light-emitting sources, light emitted by the outer annular light source is led out and diffused through the outer light guide ring to form an integral light ring, light emitted by the inner annular light source is irradiated on blades of the fan blades, and then the light ring is controlled by an external program to generate various light colors and light running changes, so that the fan is not influenced by processing materials, can present various light colors and mode changes, and is more colorful and attractive. Simple structure, easy preparation, the structurality is good, the maintenance of being convenient for.

Description

A cooling fan with two sets of light sources

technical field

The utility model relates to the technical field of fans, in particular to a radiating fan capable of emitting light.

Background technique

The heat dissipation fan is a common heat dissipation device. It is installed in the accessories of electronic components. The airflow generated by the rotation of the fan blades can take away the heat generated by the electronic components in time to achieve effective heat dissipation and protect the electronic components. At present, in order to increase the appearance of some cooling fans, many fan manufacturers have designed and installed LED (SMD or DIP) components on the fan, so that the fan will generate a set LED light when it is powered on. However, the aperture fans with light guide devices on the market now use LEDs to irradiate light from both ends and transmit light from the light guide powder material to form a full-circle halo. light effect, and the number of LED lamp beads is too small, the luminous intensity and full-color change effect are not much, in order to solve the shortage of the above-mentioned aperture fan, a new diversified full-color luminous fan is designed, which is not affected by the processing material , and can present a variety of light color and mode changes, making the aperture fan more colorful and charming.

Contents of the invention

The purpose of this utility model is to provide a heat dissipation fan with two groups of light sources, optimize the assembly design of the light source, not be affected by the processing material, and can present a variety of changes in light colors and modes, making the aperture fan more Colorful and charming.

In order to achieve the above object, the utility model adopts the following technical solutions:

A heat dissipation fan with two groups of light sources, the fan has a fan frame and fan blades, the fan blades are assembled corresponding to the inner axis of the fan frame, and an external light guide ring surrounding the outer periphery of the fan blade is also assembled on the fan frame, the outer light guide ring There is an outer ring light source in the middle; an inner ring light source is arranged around the central axis of the fan frame, and the inner ring light source is located on the inner lower side of the fan blade; thereby, the fan has two sets of light sources, and the light emitted by the outer ring light source passes through the outer The light guide ring is led out and diffused to form an integral light ring, and the light emitted by the inner ring light source is irradiated on the blades of the fan blades.

The above scheme is further as follows: the outer light guide ring is in an inverted convex shape, the outer ring light source is made of a light bar curved structure, and the outer ring light source is set on the steps of the outer light guide ring; the outer ring light source includes a ring body and is distributed on the inner side of the ring body Or the illuminant on the outer surface, the illuminant can use front-emitting LED or side-emitting LED to meet the actual needs of different customers.

The above solution is further as follows: the inner ring light source is formed by assembling a plurality of ring-shaped LEDs on a circuit board, the middle part of the circuit board has a through hole, and the circuit board is socketed on the central axis of the fan frame through the through hole.

The above solution further includes: the fan frame is provided with an outer ring groove, and the outer light guide ring is assembled in the outer ring groove.

In the utility model, an external light guide ring surrounding the outer periphery of the fan blade is assembled on the fan frame, and an outer annular light source is arranged in the outer light guide ring; an inner ring light source is arranged on the periphery of the central axis of the fan frame, and the inner ring light source is located on the inner lower side of the fan blade ; Thereby, the fan has two sets of light sources, the light emitted by the outer ring light source is led and diffused by the outer light guide ring respectively to form an integral light ring, and the light emitted by the inner ring light source is irradiated on the blades of the fan blades. Controlled by an external program, it can produce a variety of light colors and running light changes, which are not affected by the processing material, and can present a variety of light color and mode changes, making the aperture fan more colorful and charming. The structure is simple, easy to manufacture, good in structure and convenient in maintenance.

Description of drawings:

Accompanying drawing 1 is the utility model appearance structure schematic diagram;

Accompanying drawing 2 is the structural decomposition schematic diagram of one embodiment of the utility model;

Accompanying drawing 3 is the structural exploded schematic diagram of its second embodiment of the utility model.

Detailed ways:

The conception, specific structure and technical effects of the present utility model will be further described below in conjunction with the accompanying drawings, so as to fully understand the purpose, characteristics and effects of the present utility model.

Referring to Fig. 1, 2, and 3, it is a schematic diagram of a preferred embodiment of the utility model. The utility model relates to a light-emitting fan with a built-in light bar and double aperture. The fan has a fan frame 1, a fan blade 2, and a fan blade 2 is assembled corresponding to the inner axis 11 of the fan frame 1, and the outer light guide ring 3 surrounding the outer periphery of the fan blade is also assembled on the fan frame 1, and the outer ring light source 4 is arranged in the outer light guide ring 3. The central axis 11 of the fan frame is provided with an inner ring light source 5, and the inner ring light source 5 is located on the inner lower side of the fan blade 2; thereby, the fan has two sets of light sources, and the light emitted by the outer ring light source 4 passes through the outer light guide ring respectively. 3 is led out and diffused to form an integral halo, and the light emitted by the inner ring light source 5 is irradiated on the blades of the fan blades 2 . Controlled by an external program, it can produce a variety of light colors and running light changes, which are not affected by the processing material, and can present a variety of light color and mode changes, making the aperture fan more colorful and charming. Both the light emitted by the outer ring light source 4 and the light emitted by the inner ring light source 5 can be irradiated on the fan blade 2 to achieve a lighting effect without dead angle.

As shown in Figures 1, 2 and 3, in this embodiment, the outer light guide ring 3 is in an inverted convex shape, and the fan frame 1 is provided with an outer ring groove 12, and the outer light guide ring 3 is assembled in the outer ring groove 12. The outer ring light source 4 is made of a curved light bar, and the outer ring light source 4 is set on the steps of the outer light guide ring 3 . The outer ring light source 4 includes a ring body 41 and a luminous body 42 distributed on the inner side or the outer side of the ring body. The luminous body 42 can use a front-emitting LED or a side-emitting LED to meet the actual needs of different customers; The illuminant 42 adopts a front-emitting LED. The illuminant 42 shown in FIG. Uniform aura. The inner ring light source 5 is formed by assembling a plurality of ring-shaped LEDs 52 on a circuit board 51 . The middle part of the circuit board 51 has a through hole 511 , and the circuit board 51 is sleeved on the central axis 11 of the fan frame through the through hole 511 . As shown in the figure, the fan blade 2, the outer light guide ring 3, and the inner ring light source 5 of this embodiment are assembled one by one from one side of the fan frame 1. The structure is simple, easy to manufacture and assemble, good in structure, and easy to maintain.

As shown in Figures 1 and 2, in this embodiment, the outer ring light source 4 and the inner ring light source 5 use LEDs as illuminants, which have a long service life and are convenient for changing control of various lamp colors and modes. The outer light guide ring 3 is injection-molded with luminous diffusion material, which can make the luminescence of LED diffuse a piece of light from a single lamp pearlite, and can produce a variety of light colors and running light changes under the control of an external program.

Of course, the utility model has been described in detail above in conjunction with the embodiment, only to illustrate the technical concept and characteristics of the utility model, and its purpose is to let people familiar with this technology understand the content of the utility model and implement it. Equivalent changes or modifications made by the spirit of the present utility model shall be covered within the protection scope of the present utility model.

Claims (4)

1. A kind of 1. radiator fan with double group light emitting sources, it is characterised in that：The fan has fan frame, flabellum, and flabellum is corresponding to be fanned Inframe portion axis is assembled, and the outside light guide ring around flabellum periphery is also assembled with fan frame, is provided with the outside light guide ring outer Annular light source；The axis periphery of fan frame is provided with annular light source, and annular light source is located at the inner underside of flabellum；Thereby, the fan With double groups of light emitting sources, the light that outer ring light source the is sent integral light of shape after the export diffusion of outside light guide ring respectively Ring, and the light irradiation that annular light source is sent is on the blade of flabellum.
2. A kind of 2. radiator fan with double group light emitting sources according to claim 1, it is characterised in that：It is described outside guide-lighting Enclose as inverted convex shape, outer ring light source is twisted construction by lamp bar, and outer ring light source is sleeved on outside light guide ring step；Outside Annular light source includes ring body and the illuminator being distributed on ring body medial surface or lateral surface, and the illuminator is using front It is emitting led or side-emitting led.
3. A kind of 3. radiator fan with double group light emitting sources according to claim 1, it is characterised in that：The annular light Source is made up of some LED being circular layout of one piece of circuit board over-assemble, and the middle part of circuit board has through hole, and circuit board is led to by this Borehole jack is connected on the axis of fan frame.
4. A kind of 4. radiator fan with double group light emitting sources according to claim 1, it is characterised in that：Set in the fan frame There is outer groove, outside light guide ring is assembled in outer groove.