TWM550016U - Light emitting structure of heat dissipation fan - Google Patents

Description

Light-emitting structure of cooling fan

The present invention relates to a heat dissipation fan, and more particularly to a light-emitting structure of a heat dissipation fan that can exhibit the visual effect of ring-shaped illumination.

Due to the popularity of personal computers and advances in information technology, the functions and roles of personal computers are no longer simply transactional machines, with rich peripherals and high-definition audio and video output devices, making PCs universally used as multimedia. Playback devices and important entertainment devices.

Many personal computer enclosures or chassis are made of transparent materials (such as acrylic), or hollowed out, with multi-color LED (LED) strips or full-color LED bead, so that individuals The computer has a rich and colorful look.

In order to produce dynamic and color-changing illuminating effects in a personal computer, one of the methods is to install a multi-color LED, a light bar or a full-color LED lamp bead in a computer fan, such as the announced new Taiwan patent. M334280 "Flame LED Lighting Structure", Taiwan's new patent M346250 "Luminous Fan Device" and Taiwan's new patent M260084 "Luminous Cooling Fan" have proposed a fan with luminous effect. The above-mentioned known technology mainly installs a light-emitting diode in a fan frame of a heat-dissipating fan or a rib of a fan frame, and the light generated by the light-emitting diode directly illuminates the fan blade of the fan to obtain a heat-dissipating fan having a light-emitting effect. but The above-mentioned known techniques all directly illuminate the fan blade or the fan frame with light, and can only produce a localized and concentrated illuminating effect at a certain position.

In addition, the announced new Taiwanese patent M526006 "The structure of the illuminating fan device" uses a flexible circuit board provided with a plurality of light-emitting diodes to surround the fan frame provided in the fan, wherein the light emitted by the light-emitting diode It is directly irradiated to the rotating fan blade, so there will be dynamic light and shadow changes, and will not exhibit a uniform and stable light-emitting visual effect.

In addition, in the announced new Taiwanese patent M444697 "uniformly illuminating cooling fan", a light guide member is arranged around the circumference of the air flow passage of the fan frame body, and the air flow passage of the fan frame body is provided with a capacity for setting the light emitting diode. a portion, wherein the accommodating portion has an angle with respect to a tangent to the airflow passage, and the light emitted by the illuminating diode is conducted through the light guide to form an optical ring; wherein the illuminating diode needs to be connected to the electric wire through a general electrical connection. It is labor intensive and inconvenient in assembly.

The technical problem to be solved by the present invention is to provide a light-emitting structure of a heat-dissipating fan, which can exhibit the visual effect of ring-shaped light-emitting, and has the advantages of easy assembly and effective cost reduction.

In order to solve the above technical problem, an embodiment of the light-emitting structure of the novel heat-dissipating fan includes: a frame, a light guide ring and a light-emitting unit; wherein the frame comprises an annular central frame and a frame on the outer side of the central frame, the central frame including the upper portion and In the lower section, the light guide ring is an annular light-transmitting element, and the light guide ring is sleeved on the outer side of the upper portion of the central frame and between the central frame and the frame. The light-emitting unit comprises a circuit board and is electrically connected to the surface of the circuit board. The light-emitting diode has a groove on one side of the light guide facing the frame, and the light-emitting unit can be embedded in the groove. And the light emitting direction of the light emitting diode is directed toward the light guiding ring, and the visual effect of the uniform and circular light emitting can be generated by the light guiding ring; the frame is electrically connected to the power supply, and the circuit board of the light emitting unit is inserted into the socket and electrically connected to the socket Sexual connection.

The outer surface of the light guide ring has a plurality of protruding barbs, and the frame has an engaging hole at a position corresponding to the barb, and the light guide ring is fastened to the engaging hole by the barb.

The light guide ring is sleeved on the outer side of the upper portion of the center frame in a tight fit manner.

In other embodiments, the light guide ring can also be fixed at a position between the center frame and the frame by an adhesive.

The light emitting diode system of the light emitting unit is a side light emitting light emitting diode, wherein the side light emitting light emitting diode system is electrically connected to the surface of the circuit board by surface adhesion technology (SMT).

The circuit board of the light-emitting unit has an electrode and a light-emitting diode electrically connected. When the circuit board of the light-emitting unit is inserted into the socket, the electrode and the socket are electrically connected.

The frame further includes a plurality of light shielding sheets for preventing the light emitted from the light emitting unit from leaking out of the frame to cause light leakage.

10‧‧‧Frame

11‧‧‧Central Framework

111‧‧‧The last section

112‧‧‧The next section

12‧‧‧Border

13‧‧‧ socket

14‧‧‧Snap hole

15‧‧‧shading film

20‧‧‧Light guide

21‧‧‧Into the glossy surface

22‧‧‧ Groove

23‧‧‧ Barb

30‧‧‧Lighting unit

31‧‧‧ boards

32‧‧‧Lighting diode

33‧‧‧Electrode

41‧‧‧Motor

42‧‧‧ fan leaves

Fig. 1 is a structural view showing an embodiment of a light-emitting structure of the novel fan.

Fig. 2 is an exploded perspective view showing the embodiment of Fig. 1.

Fig. 3 is a structural exploded view of another angle of view of Fig. 1.

Fig. 4 is a sectional structural view of Fig. 1.

Please refer to FIGS. 1 to 3, which are a structural view and an exploded structural view of an embodiment of the light-emitting structure of the novel fan. An embodiment of the illumination structure of the novel heat dissipation fan includes a frame 10, a light guide ring 20, and a light emitting unit 30.

The frame 10 includes: a central frame 11 having an annular shape and a frame 12 on the outer side of the central frame 11, wherein the frame 11 is for carrying the motor 41 and the blade 42, and the frame 12 is disposed at four centers symmetric with the center of the center frame 11. In the corner position, the center frame 11 is an annular member. Preferably, the center frame 11 is a ring-shaped member, the motor 41 and the blade 42 are disposed at a central position of the center frame 11, and the center frame 11 includes an upper portion. 111 and lower section 112.

The light guide ring 20 is an annular light transmitting member, and the light guide ring 20 is sleeved on the outer side of the upper portion 111 of the center frame 11 and interposed between the center frame 11 and the frame 12. The light guide ring 20 is made of a light guiding material, and the light guide ring 20 is formed. The material may be any one of: a light guiding material comprising: acrylic, polyvinyl chloride (PolyVinyl Chloride, abbreviated PVC); the outer surface of the light guide ring 20 (the side surface facing the frame 12) has a light incident surface 21 The light-emitting unit 30 is disposed between the light-incident surface 21 and the frame 12, and the light-emitting unit 30 includes a circuit board 31 and a light-emitting diode 32 electrically connected to the surface of the circuit board 31. The number of 32 may be one or more, and the light emitted by the light-emitting diode 32 may enter the light guide ring 20 through the light-incident surface 21, and the circular light-emitting visual effect is exhibited in the light guide ring 20. Preferably, the frame 10 is an opaque element, and the light guide ring 20 is sleeved on the outer side of the upper portion 111 of the center frame 11, and the opaque upper portion 111 is used as a background, and the light of the light guide ring 20 is concentrated. Irradiation in the direction toward the outside and improving the uniformity of illumination.

An embodiment in which the light guide ring 20 is sleeved on the central frame 11 has a plurality of protruding barbs 23 on the outer side surface of the light guide ring 20 (the side facing the frame 12), and the frame 12 is correspondingly inverted. The position of the hook 23 has an engaging hole 14 , and the light guide ring 20 is fastened to the engaging hole 14 by the barbs 23 . In other embodiments, the light guide ring 20 is sleeved on the outside of the upper section 111 of the center frame 11 in a tight fit. In other embodiments, the light guide ring 20 can also be fixed at a position between the center frame 11 and the bezel 12 by an adhesive.

Preferably, the outer surface of the light guide ring 20 (the side surface facing the frame 12) has a recess 22, the bottom surface of the recess 22 is the light incident surface 21, and the light emitting unit 30 can be embedded in the recess 22 And the light emitting diode 32 is directed toward the light incident surface 21, and preferably, the light emitting diode 32 of the light emitting unit 30 is a side light emitting light emitting diode, and the side emitting light emitting diode system is The surface adhesion technology (SMT) is electrically connected to the surface of the circuit board 31, and the light emitted by the side-emitting light-emitting diode can enter the light guide ring 20 through the light-incident surface 21, and the light guide ring 20 generates uniform and circular light-emitting vision. effect.

In a preferred embodiment of the present invention, the frame 12 is electrically connected to the socket 13 and the circuit board 31 of the light unit 30 is inserted into the socket 13 and electrically connected to the socket 13. In one embodiment, the circuit board 31 of the light-emitting unit 30 has an electrode 33 (for example, a gold finger) and a light-emitting diode 32 electrically connected (see FIG. 4). The circuit board 31 of the light-emitting unit 32 is inserted into the socket 13 The electrode 33 and the socket 13 are electrically connected, and the socket 13 can be connected to the power input end of the motor 41 through the wire slot on the back of the frame 10 by a wire (shown in FIG. In the plug-in design, the light-emitting unit 30 can be easily assembled, and the light-emitting unit 30 capable of emitting light of different colors can be conveniently replaced to produce a heat-dissipating fan capable of emitting light of different colors.

Preferably, the frame 10 further includes a plurality of light shielding sheets 15 . One embodiment of the light shielding sheet 15 is a light-tight rubber sheet, and the light shielding sheet 15 is attached to the frame 12 of the frame 10 . The outer side and the top surface of the bezel 12 correspond to the position of the light emitting unit 30 to prevent the light emitted from the light emitting unit 30 from leaking out of the frame 10 to cause light leakage.

10‧‧‧Frame

11‧‧‧Central Framework

111‧‧‧The last section

112‧‧‧The next section

12‧‧‧Border

13‧‧‧ socket

14‧‧‧Snap hole

15‧‧‧shading film

20‧‧‧Light guide

21‧‧‧Into the glossy surface

22‧‧‧ Groove

23‧‧‧ Barb

30‧‧‧Lighting unit

31‧‧‧ boards

32‧‧‧Lighting diode

41‧‧‧Motor

42‧‧‧ fan leaves

Claims (8)

A light-emitting structure of a heat dissipation fan includes: a frame, a light guide ring, and a light-emitting unit; the frame includes a central frame and a frame on the outer side of the center frame, the center frame includes an upper portion and a lower portion The light guide ring is an annular light-transmitting element, and the light guide ring is disposed outside the upper portion of the central frame and between the central frame and the frame. The light-emitting unit comprises a circuit board and is electrically connected thereto. At least one light-emitting diode on the surface of the circuit board, the light guide ring has a groove facing the side of the frame, the light-emitting unit can be embedded in the groove, and the light-emitting diode has a light-emitting direction toward the The light guide ring is provided with a socket electrically connected to the power source, and the circuit board of the light emitting unit is inserted into the socket and electrically connected to the socket. The light-emitting structure of the heat-dissipating fan according to claim 1, wherein the center frame is a ring-shaped element. The light-emitting structure of the heat-dissipating fan of claim 1, wherein the outer surface of the light guide ring has a plurality of protruding barbs, and the frame has a snap hole at a position corresponding to the barbs, and the light guide ring is reversed by the holes Hooks are attached to the engaging holes. The light-emitting structure of the heat-dissipating fan according to claim 1, wherein the light guide ring is sleeved on the outer side of the upper portion of the center frame in a tight fit manner. The light-emitting structure of the heat-dissipating fan according to claim 1, wherein the light guide is fixed to the outside of the upper portion of the center frame by an adhesive. The illuminating structure of the heat dissipating fan according to claim 1, wherein the illuminating diode system is a side illuminating illuminating diode, and the side illuminating illuminating diode system is electrically connected to the surface of the circuit board by a surface bonding technique. The light-emitting structure of the heat-dissipating fan of claim 1, wherein the circuit board has an electrode and the light-emitting diode electrically connected, and the circuit board of the light-emitting unit is electrically connected to the socket when the circuit board is inserted into the socket. The light-emitting structure of the heat-dissipating fan of claim 1, wherein the frame comprises a plurality of light-shielding sheets that are opaque and attached to the outer side of the frame of the frame, and the top of the frame faces the light-emitting unit position.