CN211144859U - Heat radiation fan - Google Patents

Abstract

The utility model belongs to the technical field of the forced air cooling heat dissipation, especially, relate to a radiator fan. This radiator fan includes the fan frame, flabellum and light-emitting component, the flabellum rotates to be connected in the fan frame, light-emitting component includes printing opacity piece and a plurality of illuminating part, the surface that the fan frame deviates from the flabellum is located to printing opacity piece adaptation cover, be provided with the mounting groove that is used for supplying each illuminating part installation on the fan frame, each illuminating part is all installed in the mounting groove and the light that each illuminating part produced jets out through printing opacity piece, the surface that the printing opacity piece deviates from the flabellum is provided with the reflector layer that is used for the reflection of light. When the illuminating part is lighted by the circular telegram, the light that the illuminating part produced shines out through the light-transmitting part, and the reflector layer of light-transmitting part surface can reflect light and change the exit angle of original light, makes the light that the illuminating part sent radiate towards each different angle, and the exit angle of illuminating part light is more various, and light distributes more evenly, and illumination is softer.

Description

Heat radiation fan

Technical Field

The utility model belongs to the technical field of the forced air cooling heat dissipation, especially, relate to a radiator fan.

Background

In a heat dissipation system of a computer, a heat dissipation fan is one of essential accessories, and is widely used for dissipating heat of a computer motherboard, a display card, a power supply, and the like. The heat radiation fan is provided with an air inlet and an air outlet, and directly utilizes air to generate airflow, thereby achieving the heat radiation effect.

In the prior art, in order to increase the overall aesthetic effect of the host, a light-emitting structure is often added in the heat dissipation fan, so that the heat dissipation fan can enhance the overall aesthetic property of the host while dissipating heat; in the conventional heat dissipation fan, a light emitting element is generally disposed inside or on an outer surface of the fan, and the light emitting element is turned on when the fan is operated. Generally, the light generated by the light emitting element is concentrated and directly irradiated from a certain position of the heat dissipation fan, the brightness and the intensity of the light at the emergent position are maximum, direct glare is easily generated, the sensory effect in use is not good, and the light effect created by the light emitting element is not ideal due to the fact that the emergent angle of the light is too concentrated and the light is not uniformly distributed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a radiator fan aims at solving the not good technical problem of light effect when radiator fan among the prior art sets up a plurality of illuminating parts.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a cooling fan, including fan frame and flabellum, the flabellum rotates to be connected in the fan frame, cooling fan is still including installing the light-emitting component on the fan frame, light-emitting component includes printing opacity piece and a plurality of illuminating part, the surface that fan frame deviates from the flabellum is located to printing opacity piece adaptation cover, be provided with the mounting groove that is used for supplying each illuminating part installation on the fan frame, each illuminating part is all installed in the mounting groove and the light that each illuminating part produced jets out through printing opacity piece, the surface that the printing opacity piece deviates from the flabellum is provided with the reflector layer that is used for the.

Optionally, the light-reflecting layer includes a plurality of light-reflecting ribs protruding from the outer wall of the light-transmitting member, and at least two light-reflecting ribs are capable of reflecting the light rays refracted from each other.

Optionally, the plurality of reflective ribs are uniformly covered on the outer wall surface of the light-transmitting piece.

Optionally, the light transmissive element is a plexiglas element.

Optionally, the light emitting assembly further comprises an installation circuit board for installing the light emitting pieces, an annular frame ring is arranged in the fan frame, the light transmitting pieces are sleeved on the outer surface of the annular frame ring in an adaptive mode, the installation circuit board is installed in the installation groove and arranged around the annular frame ring, and the light emitting pieces are evenly distributed on the installation circuit board.

Optionally, the mounting circuit board is a flexible circuit board in a ring shape provided with a notch.

Optionally, the light emitting assembly further includes a reflective inner ring, the reflective inner ring is clamped between the light transmitting member and the annular frame ring, the reflective inner ring has a connecting portion located in the mounting groove, and the mounting circuit board is sleeved on the connecting portion.

Optionally, the cooling fan further comprises a locking assembly for locking the light-transmitting member to the outer surface of the fan frame, and the light-transmitting member is detachably connected with the fan frame through the locking assembly.

Optionally, the locking subassembly is including setting up the locking post on the fan frame and the locking piece of being connected with locking post adaptation lock, and the position department that the printing opacity piece corresponds the locking post has the plane of dodging that is used for dodging the locking post, dodges the plane and is equipped with the spliced pole towards the locking post is protruding, and the spliced pole is locked in the locking post to the locking piece to with printing opacity piece locking in fan frame.

Optionally, the locking column has a locking groove and an opening communicated with the locking groove, a clamping groove is arranged in the locking groove, a clamping arm is arranged at the side part of the locking block, which faces the locking column, a clamping hook is arranged at the end part of the clamping arm, the clamping arm is adaptive to the clamping groove, and the clamping arm passes through the opening and extends into the clamping groove to clamp the clamping hook with the clamping groove;

the locking piece still has the linking arm that extends to outside the locking post and lid and locate the spliced pole top, has seted up the spliced eye on the linking arm, and the position department that the spliced pole corresponds the spliced eye is protruding to be equipped with the grafting convex closure that matches with the spliced eye, and the grafting convex closure is pegged graft in the spliced eye.

The utility model provides an above-mentioned one or more technical scheme in the radiator fan have one of following technological effect at least: light-transmitting member is established through the surface cover at the fan frame, the surface of light-transmitting member sets up the reflector layer, when the light-emitting member of mounting inslot was lighted by the circular telegram on the fan frame, the light that the light-emitting member produced shines out through the light-transmitting member, at this moment, the reflector layer of light-transmitting member surface can reflect and change the exit angle of original light to the light of emiting, the light that makes the light-emitting member send radiates towards each different angle, thus, light radiates according to the route of difference again after the reflector layer reflection, the exit angle of light-emitting member light is more various, can reduce the dazzling glare of light-emitting member because light outgoing is too concentrated and produce, make the light distribution of outgoing more even, the illumination is softer, thereby user's sense organ comfort level is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a heat dissipation fan according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is an exploded schematic view of a heat dissipation fan according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 5 is an enlarged schematic view at B in FIG. 4;

fig. 6 is a schematic structural view of a fan frame of a cooling fan according to an embodiment of the present invention;

fig. 7 is an assembly diagram of a fan frame and a light-transmitting member of a heat dissipation fan according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a locking block of a locking assembly of a cooling fan according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-fan frame 11-air inlet 12-air outlet

13-mounting groove 14-annular frame ring 15-rotating shaft

16-extension arm 20-fan blade 30-luminous component

31-light-transmitting member 32-light-emitting member 33-mounting circuit board

34-reflective inner ring 40-locking assembly 41-locking column

42-locking block 311-reflecting layer 312-reflecting rib

313-avoidance plane 314-connecting column 315-annular lap joint lug

341 connecting part 342 stop 411 locking groove

412-clamping groove 421-clamping arm 422-clamping hook

423-first mounting hole 424-connecting arm 3121-reflecting section

3141-inserting convex hull 4241-inserting hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1 to 8 are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-8, an embodiment of the present invention provides a heat dissipation fan, which is suitable for being installed in a computer host to dissipate heat of a motherboard, a graphics card, a power supply, etc. Specifically, as shown in fig. 1 to 3, the heat dissipation fan includes a fan frame 10 and fan blades 20, the fan blades 20 are rotatably connected in the fan frame 10, wherein the fan frame 10 is a hollow frame body, one side of the fan frame 10 has an air inlet 11, the other side opposite to the air inlet 11 has an air outlet 12, a rotation shaft 15 is vertically disposed at a central position of the fan frame 10, the fan blades 20 are rotatably mounted on the rotation shaft 15 through a hub (not shown), and a driving motor (not shown) is disposed inside the fan frame 10 and is used for driving the fan blades 20 to rotate on the rotation shaft 15, so that an air flow flows in from the air inlet 11 and flows out from the air outlet 12, thereby achieving an air cooling and heat dissipation effect. Further, radiator fan is still including installing the light-emitting component 30 on fan frame 10, light-emitting component 30 includes light transmission member 31 and a plurality of light-emitting member 32, the surface that fan frame 10 deviates from flabellum 20 is located to light transmission member 31 adaptation cover, be provided with the mounting groove 13 that is used for supplying each light-emitting member 32 installation on fan frame 10, each light-emitting member 32 all installs in mounting groove 13 and the light that each light-emitting member 32 produced jets out through light transmission member 31, the surface that light transmission member 31 deviates from flabellum 20 is provided with the reflector layer 311 that is used for the reflection of light, the light that each light-emitting member 32 produced can be reflected to reflector layer 311, thereby change the exit angle of light, make light exit angle more various.

The utility model discloses radiator fan, establish printing opacity piece 31 through the surface cover at fan frame 10, the surface of printing opacity piece 31 sets up reflector layer 311, when luminous piece 32 in mounting groove 13 is lighted by the circular telegram on fan frame 10, the light that luminous piece 32 produced shines out through printing opacity piece 31, at this moment, the reflector layer 311 of printing opacity piece 31 surface can reflect and change the exit angle of original light to the light that jets out, make the light that luminous piece 32 sent radiate towards each different angle, therefore, light radiates according to the route of difference after the reflection of reflector layer 311 reflects, the exit angle of luminous piece 32 light is more various, can reduce the dazzling glare that luminous piece 32 produced because the light outgoing is too concentrated, make the light distribution of outgoing more even, the illumination is softer, thereby user's sense organ comfort level is improved.

In another embodiment of the present invention, as shown in fig. 2 to 4, the reflective layer 311 includes a plurality of reflective ribs 312 protruding from the outer wall surface of the light-transmitting member 31, and at least two reflective ribs 312 can reflect the light refracted from each other, specifically, as shown in fig. 2, each reflective rib 312 has a plurality of reflective facets 3121 for reflecting the light, and the reflective facets 3121 of different reflective ribs 312 can reflect the light refracted from the reflective facets 3121 of the other one or more reflective ribs 312, as shown by the dotted line L in fig. 2₁And L₂Therefore, the transmission path of the refracted ray is changed, and the purpose of changing the emergent angle of the ray is achieved.

Preferably, in the present embodiment, as shown in fig. 2, the protruding edges of the adjacent reflective ridges 312 are connected to each other, that is, a plurality of reflective ridges 312 are continuously disposed on the outer wall surface of the light-transmitting member 31, so that the reflective layer 311 can reflect the outgoing light rays of different angles of different light-emitting members 32, the light dispersion effect is improved, the brightness is softer, the appearance effect of the light is more uniform, and the brightest light spot inside the light-transmitting member 31 cannot be directly seen from the outside; moreover, each reflection tangent plane 3121 of each reflection bead 312 carries out light reflection simultaneously, gives the aesthetic feeling that the diamond is bright and gorgeous in appearance, helps promoting the outward appearance aesthetic measure of the radiator fan of this embodiment.

In another embodiment of the present invention, as shown in fig. 1 and fig. 3, it is a plurality of the reflection of light bead 312 evenly covers the outer wall of light-transmitting member 31, that is, the surface of light-transmitting member 31 is covered by reflection of light bead 312, a plurality of illuminating members 32 are evenly arranged in mounting groove 13, the light produced by each illuminating member 32 can be reflected by the corresponding reflection of light bead 312, the light produced by each illuminating member 32 can not be emitted from fan frame 10 by a single emitting angle any more, the light of each illuminating member 32 is evenly dispersed, the composite effect of its light is better, thereby the composite light effect of uniformity and softness can be created.

In another embodiment of the present invention, the light-transmitting member 31 is an organic glass member, i.e. the light-transmitting member 31 is made of organic glass, i.e. commonly known as acrylic material. The reflective rib 312 is integrally formed on the outer wall surface of the light transmissive member 31, or after the light transmissive member 31 is formed, a plurality of broken organic glass ribs are embedded on the outer wall surface of the light transmissive member 31 to form the reflective layer 311, so as to obtain the light transmissive member 31 with the reflective layer 311. The light-transmitting piece 31 is made of organic glass, and can well refract and reflect light generated by the internal light-emitting piece 32, so that the light can be reflected in multiple angles while the normal emergent light is ensured; and organic glass material selection is convenient, and the cost is lower, the cost of manufacture of the radiator fan of this embodiment of control that can be reasonable.

Of course, in some other embodiments, other glass may be used to make the light-transmitting member 31, and if the conditions allow, crystal material may also be used to make the light-transmitting member 31, and the material of the light-transmitting member 31 is not limited herein.

In another embodiment of the present invention, as shown in fig. 3 to 5, the light emitting assembly 30 further includes a mounting circuit board 33 for mounting the light emitting element 32, an annular frame 14 defining the air inlet 11 and the air outlet 12 is disposed in the fan frame 10, the light transmitting element 31 is fittingly sleeved on an outer surface of the annular frame 14, the mounting groove 13 is an annular mounting groove 13 wound on the fan frame 10, the mounting circuit board 33 is mounted in the annular mounting groove 13 and disposed around the annular frame 14, the light emitting elements 32 are uniformly disposed on the mounting circuit board 33, the mounting circuit board 33 is electrically connected to a main circuit board (not shown) disposed inside the fan frame 10 for supplying power to the driving motor of the driving fan blade 20, therefore, when the main circuit board is electrified to start the driving motor to drive the fan blades 20 to rotate, the light-emitting pieces 32 on the mounting circuit board 33 are synchronously electrified and lightened, and the soft and beautiful light effect is created while heat dissipation is carried out.

Specifically, in this embodiment, as shown in fig. 3 to 5, the outer periphery of the bottom of the fan frame 10 extends radially in a direction away from the fan blade 20 and then turns over to the top to form an extension arm 16, the extension arm 16 and the annular frame ring 14 enclose to form an annular mounting groove 13 for mounting the circuit board 33, the bottom edge of the light transmissive member 31 facing the air inlet 11 is adapted to seal the notch of the annular mounting groove 13, the top edge of the light transmissive member 31 facing the air outlet 12 turns over radially towards the fan blade 20 to form an annular overlapping lug 315, the annular overlapping lug 315 overlaps with the top of the annular frame ring 14, so as to prevent light generated by the light emitting member 32 from being emitted from a gap between the annular frame ring 14 and the light transmissive member 31, and light generated by each light emitting member 32 can only pass through the light transmissive member 31 to be emitted, thereby preventing light leakage.

In another embodiment of the present invention, as shown in fig. 3, the mounting circuit board 33 is a flexible circuit board having a ring shape with a notch, and the size of the opening of the notch is adjustable, so that the mounting circuit board 33 can be adapted to be wound on the ring frames 14 with different sizes, and the mounting is more flexible and convenient.

In this embodiment, the number of the mounting circuit boards 33 may be one, and in this case, the plurality of light emitting members 32 are uniformly arranged on the same circuit board, as shown in fig. 3 and 4. The number of the mounting circuit boards 33 may also be multiple, the mounting circuit boards 33 are sequentially sleeved on the annular frame ring 14 along the direction from the air inlet 11 to the air outlet 12, and the light emitting elements 32 are uniformly disposed on the mounting circuit boards 33.

In another embodiment of the present invention, as shown in fig. 3 to 5, the light emitting assembly 30 further includes a reflective inner ring 34, the reflective inner ring 34 is sandwiched between the light transmissive member 31 and the annular frame ring 14, the reflective inner ring 34 is sleeved on the annular frame 10, and the reflective inner ring 34 has a connecting portion 341 located in the mounting groove 13, the mounting circuit board 33 is sleeved on the connecting portion 341 of the reflective inner ring 34, the reflective inner ring 34 is configured to reflect all the light generated by the light emitting member 32 to penetrate out from the light transmissive member 31, so as to avoid the light from penetrating out from the fan blade 20, thereby avoiding the occurrence of the light leakage at the fan blade 20, and simultaneously, the utilization rate of the light can be further improved, and the required light effect can be better created. Of course, in some other embodiments, the light-emitting inner ring may not be provided, and a light-reflecting coating layer capable of reflecting light may be coated on the outer wall surface of the annular frame ring 14 to reflect the light generated by the light-emitting member 32.

In another embodiment of the present invention, as shown in fig. 3 to 5, the end of the reflective inner ring 34 facing the air inlet 11 is formed with a stopping portion 342 along the radial direction toward the direction away from the fan blade 20, the connecting portion 341 is disposed at the end of the reflective inner ring 34 facing the air inlet 11, so, when the mounting circuit board 33 is mounted, the reflective inner ring 34 is sleeved with the connecting portion and the connecting portion moves to the abutting position with the stopping portion 342, the stopping portion 342 can play a role of positioning the mounting circuit board 33, and on the other hand, the mounting circuit board 33 can be stopped to prevent the mounting circuit board 33 from slipping down from the reflective inner ring 34. Specifically, the stopper portion 342 extends into the annular mounting groove 13 and abuts against the groove bottom wall of the annular mounting groove 13.

In another embodiment of the present invention, the light colors of the light emitting elements 32 are the same or different to create different light effects and satisfy various decoration requirements.

In another embodiment of the present invention, as shown in fig. 3 and fig. 6 to 8, the heat dissipation fan further includes a locking assembly 40 for locking the light-transmitting member 31 on the outer surface of the fan frame 10, and the light-transmitting member 31 is detachably connected to the fan frame 10 through the locking assembly 40. During assembly, the installation circuit board 33 provided with the luminous element 32 is sleeved outside the annular frame ring 14, then the light-transmitting element 31 is sleeved outside the annular frame ring 14 of the sash frame 10, and the light-transmitting element 31 is locked on the sash frame 10 by the assembly locking assembly 40.

Specifically, as shown in fig. 3 and fig. 6 to 8, the locking assembly 40 includes a locking post 41 disposed on the fan frame 10 and a locking block 42 in adaptive engagement with the locking post 41, an avoiding plane 313 for avoiding the locking post 41 is disposed at a position of the light-transmitting member 31 corresponding to the locking post 41, a connecting post 314 is convexly disposed on the avoiding plane 313 toward the locking post 41, and the locking member locks the connecting post 314 to the locking post 41, so that the light-transmitting member 31 is locked to the fan frame 10. During the radiator fan of this embodiment of equipment, establish light-permeable member 31 cover with annular frame circle 14 outer back, locking piece 42 lock is connected on locking post 41, when locking piece 42 is connected with locking post 41 with spliced pole 314 expert locking on light-permeable member 31 on locking post 41, so, can be fixed in on fan frame 10 with the printing opacity closure through locking piece 42, when needing to take off light-permeable member 31, with locking piece 42 detach locking post 41 can, connect reliably, convenient operation.

More specifically, as shown in fig. 6 to 8, the locking post 41 has a locking groove 411 and an opening communicated with the locking groove 411, a clamping groove 412 is provided in the locking groove 411, a clamping arm 421 is provided at a side of the locking block 42 facing the locking post 41, a clamping hook 422 adapted and clamped with the clamping groove 412 is provided at an end of the clamping arm 421, and the clamping arm 421 passes through the opening and extends into the clamping groove 412 to clamp the clamping hook 422 with the clamping groove 412, so that the locking block 42 and the locking post 41 are fastened and connected. Furthermore, the locking block 42 further has a connecting arm 424 extending to the outside of the locking column 41 and covering the connecting column 314, the connecting arm 424 is provided with an insertion hole 4241, an insertion convex hull 3141 adapted to the insertion hole 4241 is convexly provided at a position of the connecting column 314 corresponding to the insertion hole 4241, when the hook 422 is connected with the clamping groove 412 in a clamping manner, the insertion convex hull 3141 is correspondingly inserted into the insertion hole 4241, so that the light-transmitting member 31 is locked and fixed on the fan frame 10.

Preferably, as shown in fig. 7, the fan frame 10 and the light-transmitting member 31 are both square members, the locking assembly 40 includes four locking posts 41 and four locking blocks 42, the four locking posts 41 are respectively disposed at four corners of the fan frame 10, four corners of the light-transmitting member 31 are respectively formed with an avoiding plane 313 for correspondingly avoiding each locking post 41, two sides of each avoiding plane 313 are respectively provided with the connecting post 314 in a protruding manner, two sides of each locking block 42 corresponding to the two connecting posts 314 are respectively protruded with the connecting arm 424, and the four locking blocks 42 are respectively buckled with the corresponding locking posts 41 at four corners of the fan frame 10 to lock the light-transmitting member 31 on the fan frame 10.

In another embodiment of the present invention, as shown in fig. 6 and 7, the first mounting hole 423 is further formed on the locking block 42, the first mounting hole 423 is set to avoid the snap arm 421, the locking post 41 is provided with a second mounting hole (not shown) vertically penetrating through the first mounting hole 423, the second mounting hole is set to avoid the snap groove 412, and the first mounting hole 423 and the second mounting hole are used for connecting fasteners such as screws, so as to install the cooling fan of the present embodiment.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a cooling fan, includes fan frame and flabellum, the flabellum rotate connect in the fan frame, its characterized in that: the radiator fan is characterized in that the radiator fan further comprises a light-emitting assembly arranged on the fan frame, the light-emitting assembly comprises a light-transmitting piece and a plurality of light-emitting pieces, the light-transmitting piece is sleeved with the light-transmitting piece in an adaptive mode, the fan frame deviates from the outer surface of the fan blade, the fan frame is provided with mounting grooves for supplying light to the light-emitting pieces for mounting, the light-emitting pieces are mounted in the mounting grooves, light generated by the light-emitting pieces is emitted out through the light-transmitting piece, and the light-transmitting piece deviates from the outer surface of the fan blade is provided with a light reflecting layer used for reflecting.

2. The heat dissipating fan of claim 1, wherein: the light reflecting layer comprises a plurality of light reflecting convex edges which are convexly arranged on the outer wall surface of the light transmitting piece, and at least two light reflecting convex edges can reflect the light rays refracted out from each other.

3. The heat dissipating fan of claim 2, wherein: and the plurality of reflecting ribs are uniformly covered on the outer wall surface of the light-transmitting piece.

4. The heat dissipating fan of claim 1, wherein: the light-transmitting piece is an organic glass piece.

5. The heat dissipating fan of claim 1, wherein: the light-emitting component further comprises an installation circuit board used for installing the light-emitting component, an annular frame ring is arranged in the fan frame, the light-transmitting component is sleeved on the outer surface of the annular frame ring in an adaptive mode, the installation groove is formed in a winding mode and is an annular installation groove in the fan frame, the installation circuit board is installed in the annular installation groove and surrounds the annular frame ring, and the light-emitting component is evenly distributed on the installation circuit board.

6. The heat dissipating fan of claim 5, wherein: the mounting circuit board is a flexible circuit board with a gap and a ring shape.

7. The heat dissipating fan of claim 5, wherein: the light-emitting component further comprises a light-reflecting inner ring, the light-reflecting inner ring is clamped between the light-transmitting piece and the annular frame ring, the light-reflecting inner ring is provided with a connecting portion located in the mounting groove, and the mounting circuit board is sleeved on the connecting portion.

8. The heat dissipating fan according to any one of claims 1 to 7, wherein: the cooling fan further comprises a locking assembly used for locking the light-transmitting piece on the outer surface of the fan frame, and the light-transmitting piece is detachably connected with the fan frame through the locking assembly.

9. The heat dissipating fan of claim 8, wherein: the locking subassembly including set up in locking post on the fan frame and with the locking piece that locking post adaptation lock is connected, light-permeable piece corresponds the position department of locking post has and is used for dodging the plane of dodging of locking post, dodge the plane court the protruding spliced pole that is equipped with of locking post, the locking piece will the spliced pole lock in the locking post, thereby will light-permeable piece lock in fan frame.

10. The heat dissipating fan of claim 9, wherein: the locking post is provided with a locking groove and an opening communicated with the locking groove, a clamping groove is formed in the locking groove, a clamping arm is arranged on the side part, opposite to the locking post, of the locking block, a clamping hook matched and clamped with the clamping groove is arranged at the end part of the clamping arm, and the clamping arm penetrates through the opening and extends into the clamping groove to enable the clamping hook to be clamped with the clamping groove;

the locking block is further provided with a connecting arm which extends out of the locking column and covers the locking column and is arranged above the connecting column, an inserting hole is formed in the connecting arm, an inserting convex hull matched with the inserting hole is convexly arranged at the position, corresponding to the inserting hole, of the connecting column, and the inserting convex hull is inserted into the inserting hole.

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