TW202100874A - Fan - Google Patents

Abstract

A fan is provided to solve the problem that the light-emitting module of the conventional fan cannot be changed as desired. The fan includes a fan frame having a lateral wall, an impeller rotatably mounted in the fan frame, a decorative ring located in the lateral wall and having at least one first magnetically attractive portion, and a light-emitting unit having at least one second magnetically attractive portion and coupled with fan frame through the magnetic attraction between the second magnetically attractive portion and the first magnetically attractive portion of the decorative ring.

Description

fan

The invention relates to a fan, especially a fan that can produce glare visual effects.

In addition to the existing heat dissipation function, in order to increase the aesthetics of the fan in operation, the existing fans are more widely used in light-emitting diodes and integrated into the fan, so that the fan can produce glare visual effects while running, and thus can Increase the added value of products and increase consumers' willingness to buy.

The conventional fan has a fan frame and a fan wheel. The fan frame can be used for assembling and positioning a plurality of light emitting elements and at least one light homogenizing element, and the at least one light homogenizing element is aligned with the plurality of light emitting elements so that the The light generated by the light-emitting element can be projected out through the at least one light homogenizing member; the fan wheel is rotatably combined with the fan frame. Thereby, during the rotation of the fan wheel, the light generated by the plurality of light-emitting elements can be projected on the light homogenizing member to increase the variability of the fan's glare. An embodiment similar to the conventional fan has been disclosed in the patent case of the Republic of China Announcement No. M530978 "Light emitting cooling fan structure".

However, although the conventional fan can achieve the effect of heat dissipation and glare generation, the light-emitting elements are fixedly arranged in the fan frame, and it is difficult for users to disassemble and replace by themselves, so that the light color and glare generated by the fan are The effects are all set in stone. Consumers can only choose to repurchase other fans with different glare effects in the pursuit of new and novel mentality, which leads to unnecessary waste.

In view of this, the conventional fan does still have to be improved.

In order to solve the above-mentioned problems, the object of the present invention is to provide a fan. Users can choose light-emitting groups with different light-emitting types according to their preferences, and achieve simple and rapid assembly operations through magnetic coupling.

The second objective of the present invention is to provide a fan whose ring wall is not combined with the light-emitting group, but a decorative ring located in the ring wall can be seen from the outside through the hollow part of the ring wall, so that the decorative ring Those who provide beautiful decorative effects.

Another object of the present invention is to provide a fan that can make the light projected by the light-emitting group more uniform and can produce halos.

Another object of the present invention is to provide a fan that can reduce manufacturing costs.

The directionality described in the full text of the present invention or its similar terms, such as "front", "rear", "left", "right", "up (top)", "down (bottom)", "inner", "outer" , "Side", etc., mainly refer to the directions of the attached drawings. The directional or similar terms are only used to help explain and understand the embodiments of the present invention, and are not used to limit the present invention.

The elements and components described in the full text of the present invention use the quantifiers "one" or "one" for convenience and to provide the general meaning of the scope of the present invention; the present invention should be interpreted as including one or at least one, and single The concept of also includes the plural, unless it clearly implies other meanings.

The approximate terms such as "combination", "combination" or "assembly" mentioned in the full text of the present invention mainly include the types that can be separated without destroying the components after being connected, or the components can not be separated after being connected, which are common knowledge in the field Those can be selected based on the materials of the components to be connected or assembly requirements.

The fan of the present invention includes: a fan frame with a ring wall; a fan wheel rotatably arranged on the fan frame; a decorative ring located in the ring wall, the decorative ring having at least one first magnetic attraction part; And a light-emitting group having at least one second magnetic attraction portion, and the light-emitting group is coupled to the fan frame by the second magnetic attraction portion and the first magnetic attraction portion of the ornament ring being magnetically attracted.

According to this, in the fan of the present invention, the light-emitting set is magnetically attached to the fan frame by the second magnetic attraction portion and the first magnetic attraction portion of the ornament ring, so that the light-emitting set can be easily assembled or disassembled and replaced; As a result, users can purchase light-emitting sets with different light-emitting types according to their preferences, and assemble them into the fan frame through magnetic attraction. The assembly can be completed simply and quickly, which not only improves the convenience of use, but also Bringing more business opportunities to the industry, but also has both practicality and beauty.

Wherein, the ring wall has an inner wall surface and an outer wall surface opposite to each other, the light-emitting group has at least one first light-emitting module combined with the outer wall surface, and the ring wall can be located radially opposite to the decorative ring and the first light-emitting mold Between groups. In this way, the first light-emitting module can be easily integrated on the outer periphery of the ring wall, and has the effect of improving the magnetic attraction effect.

Wherein, the fan frame has a plurality of spaced corners respectively connected to the ring wall, the outer periphery of the fan frame may be formed with at least one first alignment portion between any two adjacent corners, and the first light emitting mold The set may have at least one second alignment part that is aligned and coupled to the first alignment part. In this way, when assembling the first light-emitting module, the first light-emitting module can be easily positioned at the correct position, which has the effect of improving the convenience of assembly.

Wherein, the first light-emitting module may cover one side of the ring wall and the corresponding two adjacent corner portions, and the first alignment portion of the fan frame may be located closer to the corner portion. In this way, the wall thickness of the fan frame is thicker near the corner portion, which has the effect of preventing the structural strength of the fan frame from being affected by the recessed first alignment portion.

The number of the second alignment portions of the first light-emitting module may be two, and the second magnetic attraction portion may be located between the two second alignment portions. In this way, the at least one second magnetic attraction portion can be positioned at the thinner part in the middle of each side of the ring wall, which has the effect of increasing the magnetic attraction strength of the second magnetic attraction portion and the ornament ring.

Wherein, the number of the first light emitting module and the corner portion may be four respectively, and the width of the first light emitting module may not be greater than the maximum width between any two adjacent corner portions. In this way, the adjacent first light-emitting modules can be prevented from abutting each other, which has the effect of improving assembly convenience.

Wherein, a hollow portion of the ring wall can penetrate through the inner wall surface and the outer wall surface, and the hollow portion is located radially between the ornament ring and the at least one first light-emitting module. In this way, the hollow portion can further enhance the magnetic attraction effect of the at least one second magnetic attraction portion and the ornament ring, and has the effect of improving the stability of the combination.

Wherein, the ring wall has an axial end surface connecting the inner wall surface and the outer wall surface, the light emitting group may have a second light emitting module coupled to the axial end surface, and a plurality of second magnetic attraction of the second light emitting module The part can axially align the ornament ring. In this way, the structure is simple and easy to manufacture, and has the effect of reducing manufacturing costs.

Wherein, the ring wall may have an axial end surface connecting the inner wall surface and the outer wall surface, the fan frame may have a plurality of magnetic attraction members located on the axial end surface, and the light-emitting set has a second light-emitting module coupled to the shaft Toward the end surface, the plurality of second magnetic attraction parts of the second light emitting module can axially align the plurality of magnetic attraction members. In this way, the second light-emitting module can be easily combined on the axial end surface of the ring wall, which has the effect of improving the convenience of assembly.

Wherein, the ring wall has an axial end surface connecting the inner wall surface and the outer wall surface, the outer periphery of the decorative ring may have several lugs, the light-emitting group has a second light-emitting module which can be combined with the axial end surface, and the first The plurality of second magnetic attraction parts of the two light-emitting modules are respectively magnetically attracted to the plurality of lugs. In this way, the magnetic attraction area of the second magnetic attraction portion and the plurality of lugs can be increased, which has the effect of increasing the magnetic attraction strength.

Wherein, the ring wall has an outer wall surface connected to an axial end surface, and the light-emitting group can be combined with the axial end surface. In this way, the structure is simple and easy to manufacture, and has the effect of reducing manufacturing costs.

Wherein, the light-emitting group has a second light-emitting module that can be combined with the axial end surface of the ring wall, and the plurality of second magnetic attraction parts of the second light-emitting module are axially aligned with the decorative ring. In this way, the structure is simple and easy to manufacture, and has the effect of reducing manufacturing costs.

Wherein, a housing of the second light-emitting module can be made of matte acrylic or PC material. In this way, the light projected by the plurality of light-emitting elements is more uniform, and it has the effect of generating halo.

Wherein, a hollow part of the ring wall can penetrate an inner wall surface and the outer wall surface, and the hollow part is radially opposite to the ornament ring. In this way, the decorative ring located in the ring wall can be seen from the outside of the fan through the hollow part of the ring wall, which has the effect of providing beautiful decoration.

Wherein, the fan frame may have at least one latching portion located on the ring wall, and the second light emitting module may have at least one anti-rotation convex portion coupled to each latching portion. In this way, when assembling the second light-emitting module, it is easy to position the second light-emitting module in a correct position, which has the effect of improving the convenience of assembly.

Wherein, the decorative ring can be tightly combined with the ring wall. In this way, the ornament ring can be prevented from loosening, and it has the effect of improving the bonding stability.

Wherein, the ornament ring is made of a material that can be magnetically attracted to form the aforementioned first magnetic attraction portion, and the light-emitting assembly has at least one magnetic element to form at least one aforementioned second magnetic attraction portion. In this way, not only the range that can be magnetically attracted is larger, wider, and less dead, but also easy to manufacture and shape, which has the effect of reducing manufacturing costs.

In order to make the above and other objectives, features and advantages of the present invention more comprehensible, the following describes the preferred embodiments of the present invention in conjunction with the accompanying drawings in detail as follows:

Please refer to Figure 1, which is the first embodiment of the fan of the present invention, which includes a fan frame 1, a fan wheel 2, a decorative ring 3 and a light-emitting group 4, the fan wheel 2 is rotatably arranged on The fan frame 1 and the decorative ring 3 are located in the fan frame 1, and the light-emitting group 4 can be magnetically combined with the fan frame 1. It is worth mentioning that the present invention can be applied to fans such as blower fans or axial fans. Although this embodiment takes an axial fan as an example, it is not limited thereto.

The fan frame 1 has a ring wall 11 and a plurality of corners 12, and the corners 12 are connected to the ring wall 11 at intervals. In detail, the ring wall 11 may have an inner wall surface 111 and an outer wall surface 112 opposite to each other. The inner wall surface 111 can be used for the combination of the decorative ring 3 and the outer wall surface 112 can be used for the combination of the light-emitting group 4.

In addition, at least one first alignment portion 13 may be formed on the outer periphery of the fan frame 1 between any two adjacent corner portions 12, so as to guide the light-emitting group 4 to be assembled between any two adjacent corner portions 12 correctly. Position; In this embodiment, the first alignment portion 13 can be formed in a recessed state, and because the wall thickness of the fan frame 1 is thicker near the corner portion 12, and adjacent to the ring wall 11 each The middle part of the side is relatively thin, so the first positioning part 13 is preferably located closer to the corner part 12 and farther away from the middle part of each side of the ring wall 11 to avoid recessing the first positioning part 13 This affects the overall structural strength of the fan frame 1. In addition, in this embodiment, the number of the first alignment portions 13 between any two adjacent corner portions 12 can be set to an even number, and the center portion of each side of the ring wall 11 is arranged symmetrically. , So that the light-emitting group 4 does not have to consider the issue of directionality when assembling.

Please refer to the first and second figures, the decorative ring 3 is combined with the inner wall surface 111 of the ring wall 11 so that the decorative ring 3 is located between the ring wall 11 and the fan wheel 2. In detail, the decorative ring 3 can be assembled and combined with the ring wall 11 by means of adhesion, snapping or screwing; in this embodiment, the decorative ring 3 can be selected to be tightly connected to the ring wall 11 to avoid The ornament ring 3 is loose.

In addition, the bezel 3 has at least one first magnetic attraction portion 31 for magnetically attracting at least one second magnetic attraction portion 41 of the light-emitting group 4. For example, the bezel 3 can be made of a non-magnetic material (such as plastic), and several iron sheets (or magnets) are embedded in the bezel 3 to form the aforementioned first magnetic attraction portion 31 respectively. Group 4 is correspondingly provided with at least one magnet (or iron sheet) to form the aforementioned second magnetic attraction portion 41, so that the light-emitting group 4 can be attracted by the second magnetic attraction portion 41 and the first magnetic attraction of the bezel 3 The part 31 is magnetically attracted to the fan frame 1. Alternatively, as shown in the diagram of this embodiment, the bezel 3 may be made of a material that can be magnetically attracted (for example, iron, cobalt, nickel, etc.) to form a single first magnetic material. The suction part 31 can not only be magnetically attracted in a larger, wider, and less dead space, but also easy to manufacture and shape; in contrast, the light-emitting assembly 4 may have at least one magnetic element 41a (for example, a magnet) to form at least one The aforementioned second magnetic attraction portion 41. In other embodiments, the materials of the first magnetic attraction portion 31 and the second magnetic attraction portion 41 can also be exchanged.

On the other hand, the light-emitting group 4 may have at least one first light-emitting module 4a, and the at least one first light-emitting module 4a is coupled to the outer wall 112 of the ring wall 11, and the ring wall 11 may be radially opposed to the decoration Between the ring 3 and the at least one first light-emitting module 4a, by the at least one second magnetic attraction portion 41 and the bezel 3 being magnetically attracted, the at least one first light-emitting module 4a can be firmly combined with the Fan frame 1. In this embodiment, the number of the first light-emitting module 4a is one, and the length of the first light-emitting module 4a is sufficient to cover one side of the ring wall 11 and the corresponding two adjacent corner portions 12.

In addition, the first light-emitting module 4a has at least one second alignment portion 42, the at least one second alignment portion 42 is located at the at least one first alignment portion 13 of the fan frame 1, and the at least one second alignment portion The positioning portion 42 is formed in a convex pattern, so that the at least one second positioning portion 42 can be matched and combined with the at least one first positioning portion 13; in this way, when the first light-emitting module 4a is assembled, it is possible to It is easy to locate the first light-emitting module 4a in the correct position. In this embodiment, the number of second alignment portions 42 of the first light-emitting module 4a is two, and the at least one second magnetic attraction portion 41 is preferably located between the two second alignment portions 42, so The at least one second magnetic attraction portion 41 can be aligned at a thinner part in the middle of each side of the ring wall 11 to enhance the magnetic attraction strength of the at least one second magnetic attraction portion 41 and the ornament ring 3.

In addition, it is noted that the first light-emitting module 4a may also have at least one light-transmitting portion 43 and at least one light-emitting element 44. Wherein, the at least one light-transmitting portion 43 may be located only on the upper and lower surfaces of the first light-emitting module 4a, or the at least one light-transmitting portion 43 may also be located on the first light-emitting module 4a away from the surrounding wall 11. Side surface; in this embodiment, the number of the light-transmitting portion 43 is preferably several, the multiple light-transmitting portions 43 are respectively provided on the upper surface, the lower surface of the first light-emitting module 4a and away from the ring wall 11 The side surface. The material and type of the light-transmitting portion 43 are not limited, and the principle is that it can transmit light. For example, it can be made of a matte material or directly open through holes, so that the light generated by the at least one light-emitting element 44 can penetrate the plurality of light-transmitting parts 43.

Please refer to Figures 1 and 2. According to the aforementioned structure, the decorative ring 3 is combined with the inner wall surface 111 of the ring wall 11, and the first light emitting module 4a can be removed from the outside of the fan frame 1 by the at least one The magnetic attraction between the second magnetic attraction portion 41 and the decorative ring 3 is combined with the ring wall 11. Therefore, at least one light-emitting element 44 of the first light-emitting module 4a can provide a glare visual effect on the surrounding wall 11 where the first light-emitting module 4a is combined. In this way, users can purchase different light-emitting types of light-emitting groups 4 according to their preferences, such as different light colors and glare flashing frequencies, etc., and assemble them on the ring wall 11 through a combination of magnetic attraction, which can achieve simplicity The assembly work is completed quickly.

Please refer to Figures 3, 4, and 5, which are the second embodiment of the fan of the present invention. The ring wall 11 may have a hollow portion 11a; for example, the hollow portion 11a may include a plurality of holes passing through the inner wall 11a. For the holes H of the wall 111 and the outer wall 112, the present invention does not limit the size and shape of the holes H, nor is it limited to the drawings disclosed in this embodiment; among them, it is preferable to make any two adjacent corners There is at least one hole H between the parts 12. In addition, the ring wall 11 may also have patterns or text patterns and other shapes adjacent to the hollow portion 11a, so that the patterns or texts can be used to provide identification and decoration.

In this way, the hollow portion 11a of the ring wall 11 is located radially between the decorative ring 3 and the at least one first light-emitting module 4a, and the hollow portion 11a can make the at least one second magnetic attraction portion 41 and the decorative ring The magnetic effect of 3 is improved. Therefore, in addition to the ring wall 11 where the first light-emitting module 4a is combined, at least one light-emitting element 44 of the first light-emitting module 4a can provide glare visual effects; The ring wall 11 of a light-emitting module 4a can also see through the hollow portion 11a of the ring wall 11 to see from the outside of the fan the decorative ring 3 located in the ring wall 11, so that the decorative ring 3 provides a beautiful decorative effect. Preferably, the decorative ring 3 can be in a brighter color system such as silver gray, pink, or gold, so that the decorative ring 3 has a better texture and provides a beautiful decorative effect.

Please refer to FIG. 6, which is the third embodiment of the fan of the present invention. The number of the first light emitting module 4a and the corner portion 12 are four respectively, and each of the first light emitting modules 4a is located at any two Between adjacent corners 12, the entire ring wall 11 is combined with the first light emitting module 4a; thereby, each of the first light emitting modules 4a can make the entire outer circumference of the fan more dazzling. In addition, the width W1 of the first light-emitting module 4a is preferably not greater than the maximum width W2 between any two adjacent corner portions 12 (as shown in FIG. 3) to avoid adjacent first light-emitting modules 4a Abutting each other causes inconvenience in assembly.

Please refer to Figures 7, 8, and 9, which are the fourth embodiment of the fan of the present invention. The ring wall 11 may also have an axial end surface 113 that connects the inner wall surface 111 and the outer wall surface 112; The plurality of second magnetic attraction portions 41 of the second light emitting module 4b are preferably axially aligned with the ornament ring 3, so that the second light emitting module 4b can be from above the fan frame 1. Thus, in this embodiment, except for the magnetic attraction between the at least one second magnetic portion 41 of the first light-emitting module 4a and the bezel 3, which is combined with the outer wall 112 (as shown in FIG. 7 ), it can also be combined to the axial end surface 113 by the magnetic attraction between the plurality of second magnetic attraction portions 41 of the second light emitting module 4b and the ornament ring 3. In this way, each of the first light-emitting module 4a and the second light-emitting module 4b can emit light in the lateral and axial directions of the fan, which can further exhibit different glare visual effects. In addition, in this embodiment, a housing 40 of the second light-emitting module 4b can be made of matte acrylic or PC material, and the light-emitting elements 44 are embedded in the second light-emitting module. Inside 4b, the light generated by the plurality of light-emitting elements 44 can penetrate the second light-emitting module 4b, so that the projected light is more uniform.

Please refer to Figure 10, which is the fifth embodiment of the fan of the present invention. The fifth embodiment of the present invention is substantially the same as the above-mentioned fourth embodiment. The main difference lies in: The second light-emitting module 4b is selectively magnetically attracted to the fan frame 1. In detail, the fan frame 1 may have a plurality of magnetic attracting members 14 located on the axial end surface 113, the plurality of magnetic attracting members 14 are arranged on the outer periphery of the ornament ring 3; and the plurality of second light emitting modules 4b The bezel 3 of the magnetic part 41 axially aligns the plurality of magnetic parts 14 so that the second light-emitting module 4b can be seen from above the fan frame 1. Thus, in this embodiment, except for the magnetic attraction between the at least one second magnetic portion 41 of the first light-emitting module 4a and the bezel 3, which is combined with the outer wall 112 (as shown in FIG. 7 ), the second light-emitting module 4b can also be made by the magnetic attraction between the plurality of second magnetic attraction portions 41 of the second light-emitting module 4b and the plurality of magnetic attraction members 14 of the fan frame 1 It is combined with the axial end surface 113 so that the assembly operation can be completed simply and quickly. In this way, each of the first light-emitting module 4a and the second light-emitting module 4b can emit light in the lateral and axial directions of the fan, which can further exhibit different glare visual effects.

Please refer to Figures 11, 12, and 14, which are the sixth embodiment of the fan of the present invention. The bezel 3 may have a plurality of lugs 32 on the outer periphery, and the plurality of lugs 32 form the at least one first magnetic attraction. Portion 31, so that the plurality of lugs 32 can be combined with the plurality of concave portions 15 of the fan frame 1; the plurality of second magnetic attraction portions 41 of the second light-emitting module 4b respectively axially align the plurality of lugs 32. The magnetic attraction area of the plurality of second magnetic attraction portions 41 and the plurality of lugs 32 can be increased, so that the plurality of second magnetic attraction portions 41 of the second light-emitting module 4b are magnetically attracted to the plurality of Lug 32. In this way, the second light-emitting module 4b can be moved from above the fan frame 1 by the gap between the second magnetic attraction portions 41 of the second light-emitting module 4b and the lugs 32 of the bezel 3 Magnetic attraction enables the second light emitting module 4b to be combined with the axial end surface 113.

Please refer to Figures 11 and 13, in addition, the fan frame 1 can also have at least one detent portion 16 located on the ring wall 11, the detent portion 16 is preferably formed in a straight shape, the detent portion in this embodiment There are four parts 16 and each of the catch parts 16 are respectively located between any two adjacent corner parts 12; the second light-emitting module 4b may also have at least one anti-rotation convex part 45, the anti-rotation convex part 45 Located on the lower surface of the second light emitting module 4b, the at least one anti-rotation convex portion 45 can be combined with one of the latching portions 16 of the fan frame 1. When assembling the second light-emitting module 4b, the second light-emitting module 4b can be easily positioned in the correct position, and at the same time, the second light-emitting module 4b can be firmly combined with the fan frame 1. In this embodiment, the anti-rotation convex portions 45 are described as several, and each anti-rotation convex portion 45 aligns with each of the latching portions 16 of the fan frame 1 respectively.

In summary, in the fan of the present invention, the light-emitting assembly is magnetically attached to the fan frame by the second magnetic attraction portion and the first magnetic attraction portion of the ornament ring, so that the light-emitting assembly is easy to assemble or disassemble and replace ; In this way, users can purchase different light-emitting types of light-emitting groups according to their preferences, and assemble them in the fan frame by means of magnetic attraction, which can achieve simple and fast assembly operations, which not only improves the convenience of use, but also It can bring more business opportunities to the industry, but also has both practicality and beauty.

Although the present invention has been disclosed using the above-mentioned preferred embodiments, it is not intended to limit the present invention. Anyone who is familiar with the art without departing from the spirit and scope of the present invention may make various changes and modifications relative to the above-mentioned embodiments. The technical scope of the invention is protected. Therefore, the scope of protection of the invention shall be subject to the scope of the attached patent application.

﹝this invention﹞ 1: fan frame 11: Ring wall 11a: hollow part 111: inner wall 112: Outer wall 113: Axial end face 12: Corner 13: The first alignment part 14: Magnetic parts 15: recess 16: Card switch 2: Fan wheel 3: ornament ring 31: The first magnetic part 32: lug 4: Luminous group 4a: The first light-emitting module 4b: The second light-emitting module 40: shell 41: The second magnetic part 41a: Magnetic parts 42: The second counterpoint 43: Translucent part 44: Light-emitting element 45: Anti-rotation convex part W1: width W2: Maximum width H: Hole

[Figure 1] An exploded perspective view of the first embodiment of the present invention. [Figure 2] The combined cross-sectional view of the first embodiment of the present invention. [Figure 3] An exploded perspective view of the second embodiment of the present invention. [Figure 4] The combined perspective view of the second embodiment of the present invention. [Figure 5] A cross-sectional view along the line A-A in Figure 4. [Figure 6] A combined perspective view of the third embodiment of the present invention. [Figure 7] An exploded perspective view of the fourth embodiment of the present invention. [Figure 8] A combined perspective view of the fourth embodiment of the present invention. [Figure 9] A cross-sectional view along the line B-B in Figure 8. [Figure 10] A partial sectional view of the fifth embodiment of the present invention. [Figure 11] An exploded perspective view of the sixth embodiment of the present invention. [Figure 12] A combined perspective view of the sixth embodiment of the present invention. [Picture 13] A cross-sectional view along the line C-C in Fig. 12. [Picture 14] A cross-sectional view taken along the line D-D in Picture 12.

1: fan frame

11: Ring wall

111: inner wall

112: Outer wall

113: Axial end face

12: Corner

13: The first alignment part

2: Fan wheel

3: ornament ring

31: The first magnetic part

4: Luminous group

4a: The first light-emitting module

41: The second magnetic part

41a: Magnetic parts

42: The second counterpoint

43: Translucent part

44: Light-emitting element

W1: width

W2: Maximum width

Claims (18)

A fan that contains: A frame with a ring wall; A fan wheel is rotatably arranged on the fan frame; A decorative ring located in the ring wall, the decorative ring having at least one first magnetic attraction part; and A light-emitting group has at least one second magnetic attraction portion, and the light-emitting group is coupled to the fan frame by the second magnetic attraction portion and the first magnetic attraction portion of the ornament ring. The fan described in claim 1, wherein the ring wall has an inner wall surface and an outer wall surface opposite to each other, the light-emitting group has at least one first light-emitting module coupled to the outer wall surface, and the ring wall is radially The pair is located between the ornament ring and the at least one first light-emitting module. The fan described in item 2 of the scope of patent application, wherein the fan frame has a plurality of spaced corners respectively connected to the ring wall, and at least one corner is formed on the outer periphery of the fan frame between any two adjacent corners. The first alignment portion, the first light emitting module has at least one second alignment portion to be coupled to the first alignment portion in alignment. The fan described in item 3 of the scope of patent application, wherein the first light-emitting module covers one side of the ring wall and the corresponding two adjacent corner portions, and the first alignment portion of the fan frame is located relatively adjacent The corner. For the fan described in item 4 of the scope of patent application, the number of the second alignment portions of the first light-emitting module is two, and the second magnetic attraction portion is located between the two second alignment portions. The fan described in item 4 of the scope of patent application, wherein the number of the first light-emitting module and the corner portion is four respectively, and the width of the first light-emitting module is not greater than that of any two adjacent corner portions The maximum width of the room. The fan described in item 2 of the scope of patent application, wherein a hollow portion of the ring wall penetrates the inner wall surface and the outer wall surface, and the hollow portion is located radially between the decorative ring and the at least one first light-emitting module between. For the fan described in any one of items 2 to 7 of the scope of patent application, wherein the ring wall has an axial end surface connecting the inner wall surface and the outer wall surface, and the light-emitting group has a second light-emitting module connected to the On the axial end surface, the plurality of second magnetic attraction parts of the second light emitting module are axially aligned with the ornament ring. For the fan described in any one of items 2 to 7 in the scope of the patent application, wherein the ring wall has an axial end surface connecting the inner wall surface and the outer wall surface, and the fan frame has a plurality of magnetic attraction members located in the axial direction. On the end surface, the light emitting group has a second light emitting module coupled to the axial end surface, and the plurality of second magnetic attraction parts of the second light emitting module axially align the plurality of magnetic attraction members. The fan described in any one of items 2 to 7 of the scope of patent application, wherein the ring wall has an axial end surface connecting the inner wall surface and the outer wall surface, the outer periphery of the decorative ring has a plurality of lugs, and the light-emitting group A second light emitting module is combined with the axial end surface, and a plurality of second magnetic attraction parts of the second light emitting module are respectively magnetically attracted to the plurality of lugs. The fan described in item 1 of the scope of patent application, wherein the ring wall has an outer wall surface connected to an axial end surface, and the light-emitting group is coupled to the axial end surface. The fan described in claim 11, wherein the light-emitting group has a second light-emitting module coupled to the axial end surface of the ring wall, and the plurality of second magnetic attraction parts of the second light-emitting module are axially Align the ring. As for the fan described in item 12 of the scope of patent application, a housing of the second light-emitting module is made of matte acrylic or PC material. The fan described in item 11 of the scope of patent application, wherein the outer periphery of the decorative ring has a plurality of lugs, the light-emitting group has a second light-emitting module coupled to the axial end surface of the ring wall, and the second light-emitting module The plurality of second magnetic attraction parts are respectively magnetically attracted to the plurality of lugs. The fan described in item 11 of the scope of patent application, wherein a hollow portion of the ring wall penetrates an inner wall surface and the outer wall surface, and the hollow portion is located radially opposite to the decorative ring. The fan according to any one of the 11 to 15 patents, wherein the fan frame has at least one latching portion located on the ring wall, and the second light emitting module has at least one anti-rotation convex portion connected to each The card switch. The fan described in item 1 of the scope of patent application, wherein the decorative ring is tightly coupled with the ring wall. The fan described in item 1 of the scope of patent application, wherein the ornament ring is made of a material that can be magnetically attracted to form the aforementioned first magnetic attraction portion, and the light-emitting group has at least one magnetic element to form at least one of the aforementioned The second magnetic attraction part.

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