TWM530978U - Structure of heat dissipating fan capable of emitting light - Google Patents

Description

Luminous cooling fan structure

The present invention relates to a heat dissipating fan structure, and more particularly to a heat dissipating fan structure that utilizes light guiding to make the light source uniform.

According to the "energy saving and carbon reduction" is the most important global reduction of global warming, how to save electricity and save consumables, is the key goal of industrial technology.

With the rapid development and maturity of Light Emitting Diode (LED) technology, High Power LED is a high-performance and lightweight new light source. In addition to LED energy saving and environmental protection, it can respond to “energy saving”. The theme of “carbon reduction” is characterized by small size, long service life, low power consumption, low heat generation, high brightness, fast start-up rate, rich colors and environmentally friendly materials. In addition, it has the same general tradition. The brightness of the light source, even in terms of efficiency, far exceeds that of existing incandescent lamps and halogen bulbs, and is closer to the efficiency of High Pressure Sodium-lamp (HPS), suitable for mass production, high reliability, and easy to match applications. The need for lighting has been widely used in street lamps, factories, hypermarkets, indoor and outdoor, or stadiums.

In addition, in addition to the application of various types of lighting fixtures, the LEDs are also used in electronic devices or electronic devices for the application of aesthetics in life. In the peripheral products, the added value of the product is increased to increase the consumer's willingness to purchase. For example, when a computer product is operated, it may cause high temperature, which may cause damage to internal electronic components or shorten the service life due to high temperature. Generally, a cooling fan is installed to effectively dissipate the internal heat source of the computer product to the outside; The operation can add aesthetics, and the light-emitting diode can be applied to the structure of the heat-dissipating fan. By changing the brightness, color, color temperature or brightness state of the light-emitting diode, the structure of the cooling fan is raised to generate prompts, warnings and creations. The atmosphere and other lighting effects. However, the current cooling fan with a light effect may cause uneven brightness distribution of the light source due to the occlusion of the fan frame, the fan blade or other structural components, or the design problem that the light source is partially shielded to cause the light source to be discontinuous.

In view of this, the present invention proposes a illuminating cooling fan structure to effectively overcome the above problems in view of the above-mentioned lack of prior art.

The main purpose of the present invention is to provide a radiant heat dissipating fan structure that utilizes two stages of continuous light guiding to form a uniform annular brightness.

Another object of the present invention is to provide a heat-dissipating fan structure that utilizes a side-light type light-emitting element as a traveling path of an output light source, and uses a light-filling structure to design and cooperate with a light guiding path to form a uniform and uninterrupted ring shape. The light source can solve many design problems such as uneven brightness distribution of the light source of the prior art, or the light source being partially shielded to cause discontinuity of the light source.

A further object of the present invention is to provide a illuminating heat-dissipating fan structure which can be assembled by using a simple assembly method without using an additional locking tool, and has practical convenience.

For the purpose of the above, the present invention provides a radiant cooling fan structure, including a fan body, a circuit board, a first light guide frame and a second light guide frame. The circuit board is disposed in the fan body, and the circuit board is provided with a plurality of side light type light emitting elements, and each of the two side light type light emitting elements is oppositely and spacedly disposed on the periphery of the circuit board, and the side light type light emitting elements output one a light source; a bottom light ring of the first light guide frame is provided with a light-emitting reflective layer, the first light guide frame is mounted on the circuit board, and the side light-type light-emitting elements are located below the light-emitting reflective layer; the second light guide is disposed at the first On the light guide frame, the light-emitting reflective layer reflects the light source of the side light-type light-emitting elements through the periphery of the first light guide frame to the top and the second light guide frame to uniformly diverge to form an annular light source, thereby making the overall heat-dissipating fan structure more A light effect that can show a dazzling ring brightness.

The details of the creation, the technical content, the features and the effects achieved by the present invention are more easily explained by the detailed description of the specific embodiments.

Due to the development of the modern technology industry, in order to meet the needs of consumers, various manufacturers have continuously improved and improved the performance of the original cooling fan products, and even launched a multi-functional product. However, under the fierce competition in the market, the functionality of the cooling fan products is similar. If only the functions and practicability of the products are improved, it is difficult to have competitiveness in today's market. Therefore, various manufacturers have also started to The design aesthetics of the improved products, especially the design of the cooling fan products with the most effective lighting effects, but the lighting design has many uneven brightness or light source shielding, which leads to poor lighting effects. For this reason, the inventor has studied for many years. And development, using special structural design products to improve the criticism of existing products, will follow in detail how this creation uses a novel illuminating cooling fan structure to achieve uniform and dazzling functional appeal.

Please refer to Figure 1, Figure 2 and Figure 3 together. Figure 1 is a schematic diagram of the structure of the creation; Figure 2 is an exploded view of Figure 1 and Figure 3 is a diagram of Figure 1 along A-A' A cross-sectional view of the section line. First, the components of the cooling fan structure of the present invention and the connection relationship thereof will be described in detail in order to understand the novel structural design created by the inventor. The illuminating fan structure includes a fan body 10, a circuit board 12, a first light guide frame 14, and a second light guide frame 16. The circuit board 12 is disposed in the fan body 10. The fan body 10 further includes a frame body 18 and a blade 20. The blade 20 is located in the frame body 18. The frame body 18 has a mounting slot 182, and the mounting slot 182 is located. The outer side of the fan blade 20; wherein the fan body 10 further includes a ring 22 on the outer side of the blade 20, and the ring 22 is located between the mounting slot 182 and the blade 20, the mounting slot 182 and the circuit board The shape of the 12 is matched, and the circuit board 12 can be correspondingly disposed in the mounting groove 182.

The circuit board 12 is fixed in the mounting slot 182. The circuit board 12 is provided with a plurality of side light-type light-emitting elements 122. Each of the two-side light-type light-emitting elements 122 is reversed and spaced apart from the periphery of the circuit board 12. The side light-type light-emitting elements 122 output a light source. The preferred design of the present invention is to use eight side-light-type light-emitting elements 122, one for each of the two side-light-type light-emitting elements 122, and equidistantly disposed on the circuit board 12. On the periphery, each of the two side light-emitting elements 22 is reversed and spaced apart. This arrangement is to allow the eight side-light-emitting elements 122 to simultaneously output a light source, so that the light source can be connected into a ring-shaped light source. Said).

The first light guide frame 14 is mounted on the circuit board 12, and the side light-type light-emitting elements 122 are located on the light-emitting reflective layer 142, wherein The first light guide frame 14 is a transparent light guide frame. The circuit board 12 further includes a plurality of first card slots 126. The first light guide frame 14 further includes a plurality of first card slots 144. The first card slots 126 are matched with the first card slots 144. The first light guide frame 14 is fixedly mounted on the circuit board 12 by snapping. The heat dissipating fan structure further includes a plurality of fixing members 24, and the fixing members 24 are used to fix the circuit board 12 in the mounting groove 182. Preferably, the fixing members 24 are fixed to the circuit board 12 at intervals. In the peripheral position, the shape of the fixing members 24 is matched with the mounting groove 182 and the circuit board 12. For example, the frame 18 is further provided with a plurality of fixing portions 184, such as a fixing post, and is located in the mounting slot 182. The circuit board 12 is provided with a plurality of fixing holes 124 corresponding to the fixing portions 184. The fixing members 24 are provided. The fixing member 24 can be sleeved on the fixing portion 184 for fixing; when assembled, the fixing members 24 are correspondingly passed through the hollow fixing column. The diameter of the hollow fixing column is larger than the diameter of the fixing portions 184. The fixing holes 124 are fixed to the fixing portions 184 to fix the circuit board 12 in the mounting groove 182; at the same time, the periphery of the first light guiding frame 14 is fixed by the fixing member 24, and the circuit board 12 and the first light guiding frame are fixed. 14 can be effectively contacted and more stable.

In addition, the second light guide frame 16 is disposed on the first light guide frame 14, the second light guide frame 16 is a translucent sand surface light guide frame, and the side of the second light guide frame 16 is further provided with a plurality of snaps. Each of the engaging elements 26 includes at least two second latches 262. The side of the first light guide frame 14 is further provided with a plurality of second latching slots 146, and each of the second latching brackets 262 is connected to each of the second latching slots 262. The two card slots 146 are matched for locking, and the second light guide frame 16 is fixedly mounted on the first light guide frame 14.

After understanding the above-mentioned structural composition, at the same time, with the fourth figure, the structure diagram of the light walking path of the creation is shown. When the structure of the heat-dissipating fan is driven, the side light-type light-emitting elements 122 output a light source, and the light-emitting reflective layer 142 of the first light guide frame 14 reflects the light source of the side light-type light-emitting elements 122, and is guided by the first light guide. The circumference of the optical frame 14 to the top portion 148 and the second light guide frame 16 are uniformly diverged to form an annular light source. It is worth noting that although the side light type light-emitting elements 122 are equidistantly disposed on the periphery of the circuit board 12, and the two-side light-type light-emitting elements 22 are reversed and spaced apart, the side light types can be made. When the light-emitting elements 122 simultaneously output the light source, they can be connected into an annular light source, and are uniformly diverged by the light guiding paths of the first light guide frame 14 and the second light guide frame 16 to form an annular light source; however, in order to make each two-side light type The light source between the light-emitting elements 122 can also uniformly guide the light to the second light guide frame 16. Please also cooperate with the fifth figure to enlarge the partial structure of the creation. The first light guide frame 14 is further provided with a plurality of The opening 149, each opening 149 is corresponding to the position of each of the two side light-emitting elements 122, so that the two-side light-emitting elements 122 are located in the opening 149, and each of the engaging elements 26 is designed as a transparent engaging element. The arcuate transparent recess 264 corresponds to the two-side light-emitting element 122, the first light guide frame 14 is a transparent light guide frame, and the second light guide frame 16 is a translucent sand surface. The light guide frame guides the light between the two side light-emitting elements 122 by the arc-shaped transparent recess 264 The reverse light source is integrated, that is, the arc-shaped transparent recess 264 is used as a fill light, so that the second light guide frame 16 forms a uniform and uninterrupted annular light source.

Due to the increasing demand for visual aesthetics in the modern science and technology leap forward, lighting devices that want to attract consumers' attention must have a visual aesthetic design concept in addition to practicality; therefore, these sides The light-emitting element 122 can be designed as a light-emitting diode of different colors of monochromatic light or a light-emitting diode of mixed color light, so that the overall cooling fan structure can present a dazzling light effect.

In summary, the present invention utilizes a side-light type light-emitting element as a traveling path of an output light source, and uses a light-filling structure to design and cooperate with two continuous light guiding paths to form a uniform and uninterrupted annular light source, which can be rendered into a dazzling ring. The brightness effect of the brightness can not only bring more business opportunities to the industry, but also have practicality and beauty. Furthermore, the creation does not require the use of an additional locking tool, and the assembly of the entire product can be completed by simply using the matching snap-fit structure as a fixing means. For the assembler, not only is the operation simple, but also advantageous for manufacturing, and It can meet the needs of consumers' lighting effects and has a competitive advantage in the market.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention. Therefore, any change or modification of the characteristics and spirit described in the scope of this application shall be included in the scope of the patent application for this creation.

10‧‧‧fan body
12‧‧‧ boards
122‧‧‧Side-light type illuminating elements
124‧‧‧Fixed holes
126‧‧‧first card slot
14‧‧‧First light guide
142‧‧‧Light reflective layer
144‧‧‧ first card
146‧‧‧Second card slot
148‧‧‧ top
149‧‧‧Opening
16‧‧‧Second light guide
18‧‧‧ frame
182‧‧‧Installation slot
184‧‧‧ Fixed Department
20‧‧‧ fan leaves
22‧‧‧ Ring
24‧‧‧Fixed parts
26‧‧‧Clamping components
262‧‧‧Second card
264‧‧‧Arc-shaped transparent recess

The first picture is a schematic diagram of the structure of the creation. Fig. 2 is an exploded view of the structure of Fig. 1. Fig. 3 is a cross-sectional view taken along line A-A' of Fig. 1; Fig. 4 is a schematic view showing the structure of the light walking path of the creation. Fig. 5 is an enlarged view of a part of the structure of the creation.

10‧‧‧fan body

12‧‧‧ boards

122‧‧‧Side-light type illuminating elements

124‧‧‧Fixed holes

126‧‧‧first card slot

14‧‧‧First light guide

142‧‧‧Light reflective layer

144‧‧‧ first card

146‧‧‧Second card slot

148‧‧‧ top

149‧‧‧Opening

16‧‧‧Second light guide

18‧‧‧ frame

182‧‧‧Installation slot

184‧‧‧ Fixed Department

20‧‧‧ fan leaves

22‧‧‧ Ring

24‧‧‧Fixed parts

26‧‧‧Clamping components

262‧‧‧Second card

264‧‧‧Arc-shaped transparent recess

Claims (10)

An illuminating heat dissipating fan structure includes: a fan body; a circuit board disposed in the fan body, wherein the circuit board is provided with a plurality of side light type illuminating elements, and each of the side light type illuminating elements is reversed And spaced apart from the periphery of the circuit board, the side light-type light-emitting elements output a light source; a first light guide frame, the bottom ring of which is provided with a light-emitting reflective layer, and the first light guide frame is mounted on the circuit board And the light-emitting elements are disposed on the light-emitting reflective layer; and a second light guide frame is disposed on the first light guide frame, wherein the light-emitting reflective layer reflects the light source of the side light-type light-emitting elements The annular light source is formed by uniform dispersion from the periphery to the top of the first light guide frame and the second light guide frame. The heat-dissipating fan structure of claim 1, wherein the first light guide frame further comprises a plurality of openings, each of the openings being corresponding to the position of each of the side light-type light-emitting elements. The edge light type light emitting element is located in the opening. The illuminating fan structure of claim 1, wherein the fan body further comprises a frame and a blade, the blade is located in the frame, the frame has a mounting slot, and the mounting slot is located The outer side of the fan blade. The illuminating heat dissipating fan structure of claim 3, wherein the fan body further comprises a loop located on an outer side of the fan blade. The heat-dissipating fan structure as claimed in claim 3, further comprising a plurality of fixing members, wherein the circuit board is fixed in the mounting groove. The heat-dissipating fan structure of claim 5, wherein the frame is further provided with a plurality of fixing portions, and the circuit board is provided with a plurality of fixing holes corresponding to the fixing portions, The fixing members are fixed to the fixing portions by fixing the fixing holes to fix the circuit board in the mounting groove. The illuminating fan structure of claim 1, wherein the circuit board further comprises a plurality of first card slots, and the first light guide frame further comprises a plurality of first cards, the first cards The slot is matched with the first latches to be fixedly engaged, so that the first light guide frame is fixedly mounted on the circuit board. The illuminating fan structure of claim 1, wherein the side of the second light guide frame is further provided with a plurality of snap elements, each of the snap elements comprising at least two second cassettes, the first guide The second side of the optical frame is further provided with a plurality of second card slots, and each of the two second card slots is matched with each of the two second card slots to be engaged and fixed, so that the second light guide frame is fixedly fixed to The first light guide. The illuminating heat dissipating fan structure of claim 8, wherein each of the engaging elements is a transparent engaging element, and the arcuate transparent recess corresponds to the side light type illuminating element. The first light guide frame is a transparent light guide frame, and the second light guide frame is a translucent sand surface light guide frame, and the light source of the side light type light emitting element is guided by the arc transparent recess. The second light guide frame forms a uniform annular light source. The illuminating fan structure of claim 1, wherein the first light guide frame is a transparent light guide frame, and the second light guide frame is a translucent sand surface light guide frame.