CN201173206Y - Self-luminous radiating fan - Google Patents

Abstract

A self-luminous heat radiation fan is prepared as setting a second stator at bottom of wheel hub of heat radiation fan, setting several induction coils on said stator, connecting said induction coils to the second circuit board on top surface of wheel hub, setting a second magnet ring on position of generating magnetic interaction change with said induction coils, forming said second stator not to be limited on inner side of wheel hub for effectively enlarging volume and increasing number of turns of induction coils.

Description

self-illuminating cooling fan

【Technical field】

The utility model relates to a cooling fan, in particular to a cooling fan capable of self-illumination.

【Background technique】

Referring to Fig. 1, the existing luminous cooling fan mainly adds the design of a generator set 2 in the structure of the general cooling fan 1, as follows:

The cooling fan 1 has a base 11, a shaft tube 12 arranged on the base 11, a first stator 13 passing through the shaft tube 12, a first stator 13 electrically connected to the first stator 13 A circuit board 14, a mandrel 15 pivotally arranged in the shaft tube 12, a wheel hub 16 fixed on the top of the mandrel 15 and surrounding the shaft tube 12, several pieces extending outwards from the outer periphery of the wheel hub 16 at intervals blades 17, a first magnet ring 18 fixed on the inner periphery of the hub 16 and surrounding the first stator 13, and a ring-shaped protrusion arranged on the top surface of the first stator 13 and positioned inside the hub 16. Yuan 19.

The generator set 2 has a second magnet ring 21 fixed on the inner side of the convex wall 19, a second circuit board 22 arranged on the inner top surface of the hub 16 and protruding outside the hub 16, an electrical connection The second stator 23 fixed on the second circuit board 22 and located inside the second magnet ring 21, and a light emitting diode 24 (that is, an LED lamp), the light emitting diode 24 is electrically connected to the second stator 23 The two circuit boards 22 protrude from the outer side of the hub 16 .

With the above design, when the first stator 13 of the cooling fan 1 is energized through the first circuit board 14 to generate inductive excitation with the first magnet ring 18, the first magnet ring 18 will be driven by magnetic repulsion. Rotation occurs, and at the same time, the hub 16, the blades 17, the second circuit board 22, the second stator 23, and the light-emitting diode 24 will rotate together, and the second stator 23 will be on the fixed second magnet ring. Inside 21, the cutting line magnetic force line moves, thereby generating electric energy to supply to the second circuit board 22, so that the light emitting diode 24 electrically connected to the second circuit board 22 can generate light at the same time when rotating.

However, since the second stator 23 is hidden inside the wheel hub 16 and surrounded by the raised wall 19, its inherent volume is limited and cannot exceed the size of the raised wall 19. Therefore, the second stator 23 The coil that can be wound by the second stator 23 will not be easy to increase the number of turns because the volume of the stator is too small, so that the electric energy that the second stator 23 can produce is low and it is not easy to improve the brightness of the light-emitting diode 24; simply, When the cooling fan 1 is energized and running, because the brightness of the light emitting diodes 24 is low, the glare effect that can be presented as a whole will be poor.

【Content of utility model】

The purpose of the utility model is to provide a self-illuminating cooling fan, which has high luminous brightness and excellent glare effect.

In order to achieve the above purpose, the self-illuminating cooling fan of the present utility model includes: a frame unit, a driving unit, a fan wheel unit, a light emitting unit, a second stator, and a second magnet ring.

The frame unit has a base, and a shaft tube arranged on the base, and the drive unit has a first stator which passes through the shaft tube, and a stator which is arranged on the base and is electrically connected to For the first circuit board of the first stator, the fan wheel unit has a mandrel pivotally arranged in the shaft tube, a hub fixed on the top of the mandrel and surrounding the shaft tube, several pieces formed by the outer periphery of the hub The blades extending outward at intervals, and a first magnet ring fixed on the inner periphery of the hub and surrounding the first stator, the light-emitting unit has a second circuit board arranged on the top surface of the hub, and at least A light-emitting element arranged on the second circuit board and capable of supplying power to generate light.

The second stator has a base plate fixed on the bottom of the hub, several induction coils arranged around the bottom surface of the base plate and electrically connected to the second circuit board, and a magnetization coil covered under the induction coils. The second magnet ring is fixedly arranged at a position capable of interacting with the induction coil to generate magnetic interaction changes.

When the first circuit board is energized and operated by the external power supply, it can make the first stator conduct electricity and generate an alternating magnetic field, and repel the magnetic force of the first magnet ring to generate rotation. The hub, blades, and second stator It will also rotate accordingly, wherein, the second stator will continue to rotate through its magnetic accumulation piece relative to the fixed second magnet ring, thereby generating a reverse electromotive force, which will cause the induction coil to generate current and transmit it to the The second circuit board is used to electrically connect the light-emitting elements arranged on the second circuit board to conduct electricity and emit light.

Therefore, the effect of the present invention is that, since the base plate of the second stator is not limited to the inner side of the hub, the volume of the base plate can be effectively enlarged, so that the number of turns of the induction coil arranged around the bottom surface of the base plate can be increased When the cooling fan is energized and running, the induction coil will generate more electric energy and conduct it to the second circuit board and the light-emitting element, so as to increase the brightness of the light-emitting element and produce a more excellent glare effect.

【Description of drawings】

FIG. 1 is a side sectional view illustrating a conventional light-emitting cooling fan.

Fig. 2 is a side sectional view illustrating a preferred embodiment of the self-luminous cooling fan of the present invention.

FIG. 3 is a perspective view illustrating that the preferred embodiment is a fan type with lateral airflow.

FIG. 4 is a side cross-sectional view illustrating the preferred embodiment as a fan type without a casing design.

【Detailed ways】

The self-luminous cooling fan of the present invention will be described in detail below through preferred embodiments and accompanying drawings.

Referring to Fig. 2, a preferred embodiment of the self-luminous cooling fan 3 of the present invention includes a frame unit 31, a driving unit 32, a fan wheel unit 33, a light emitting unit 34, a second stator 35, and a The second magnet ring 36 .

The frame unit 31 has a base 311, a shaft tube 312 disposed on the base 311, and a housing 313 covering the base 311, and both the base 311 and the housing 313 have several airflows. Holes 315, 316 for air flow in and out.

The driving unit 32 has a first stator 321 that passes through the shaft tube 312, and a first circuit board 322 that is arranged on the base 311 and is electrically connected to the first stator 321. The fan wheel unit 33 is a mandrel 331 pivotally arranged in the shaft tube 312, a hub 332 fixed on the top of the mandrel 331 and surrounding the shaft tube 312, and several blades extending outward from the outer periphery of the hub 332 at intervals. 333, and a first magnet ring 334 fixed on the inner periphery of the hub 332 and surrounding the first stator 321, the light emitting unit 34 has a second circuit board 341 arranged on the top surface of the hub 332, and a number A light-emitting element 342 that is arranged on the second circuit board 341 and can supply power to generate light, wherein the light-emitting element 342 is a light-emitting diode (LED), and of course other types of light-emitting elements 342 (such as small bulbs) can also be used. ), the number can also be changed to a single piece or several pieces according to design requirements, so it should not be limited to the description of this embodiment.

The second stator 35 has a base plate 351 fixed on the bottom of the hub 332, a plurality of induction coils 352 arranged around the bottom surface of the base plate 351 and electrically connected to the second circuit board 341, and a cover on the The magnetic accumulation sheet 353 below the induction coil 352, wherein the induction coil 352 adopts two metal wires to be coiled continuously in opposite directions to each other, and each metal wire can constitute a number of coil turns (the number of coil turns The appearance is concentric circles in the form of fingerprints, and each coil turn is arranged concentrically around the center of the substrate 351), and the second magnet ring 36 is fixedly arranged on the induction coil 352 to interact with the induction coil 352 to generate The position where the magnetism changes alternately, in this embodiment, is that the second magnet ring 36 is passed through the shaft tube 312 and fixed on the first circuit board 322, and is located relatively below the magnetic accumulation sheet 353 .

When the first circuit board 322 is energized and operated by the external power supply, it can make the first stator 321 conduct electricity and generate an alternating magnetic field, and repel the magnetic force of the first magnet ring 334 to generate rotation. The hub 332, blades 333. The base plate 351 and the induction coil 352 of the second stator 35 will also rotate accordingly.

As for the self-illumination technology contained in this embodiment, the second stator 35 is continuously rotated with respect to the fixed second magnet ring 36 through its magnetic accumulation piece 353, thereby generating a reverse electromotive force, which in turn causes all The induction coil 352 generates current and transmits it to the second circuit board 341 , so that the light emitting element 342 electrically connected to the second circuit board 341 can conduct electricity and emit light.

It should be further explained here that the self-illumination technology contained in the above-mentioned embodiments is applied to the axial flow fan, of course, this self-illumination technology can also be applied to the type of fan with lateral air outlet as shown in Figure 3 On the contrary, the base 311 and the casing 313 of this fan are not provided with airflow holes 315, 316 as shown in FIG. Go out an airflow guide hole 318; Or be applied in the fan type as shown in Figure 4, it only has base 311 and does not exist shell 313, this drive unit 32, fan wheel unit 33, light emitting unit 34, second stator 35, The second magnet ring 36 is all located above the base 311. The above various types of fans are well known to those skilled in the art. Therefore, the self-illumination technology described in this specification can be applied. It is easy to complete, so it should not be limited by the content disclosed in this manual.

To sum up, the self-illuminating cooling fan 3 of the present invention, the embodiment disclosed in FIG. 2 is fixed on the bottom of the hub 332 by the base plate 351 of the second stator 35, and will not be limited. Inside the hub 332, therefore, the volume of the base plate 351 can be effectively expanded, so that the number of turns of the induction coil 352 surrounding the bottom surface of the base plate 351 can be increased. When the cooling fan 3 is energized and operated, the induction coil 352 More electric energy will be generated and transmitted to the second circuit board 341 and the light-emitting element 342 to increase the brightness of the light-emitting element 342 and produce a more excellent glare effect, so the purpose of the present utility model can indeed be achieved.

Claims (6)

1. One kind can self luminous radiation fan, comprise: a frame unit, one is arranged at the driver element on this frame unit, an and impeller unit that is turned round by this driver element institute's energization excitation, this frame unit has a pedestal, an and central siphon of being located on this pedestal, this driver element then has first stator that wore this central siphon, and one be located on this pedestal and be electrically connected to the first circuit board of this first stator, this impeller unit then has an axle that is hubbed in this central siphon, one is fixedly arranged on this axle top and around the wheel hub of this central siphon, several pieces are by this outward extending blade in wheel hub outer periphery interval, and one be fixedly arranged on this wheel hub inner circumference edge and around first magnet ring of this first stator, it is characterized in that:

   This radiation fan also comprises:

   A luminescence unit has the second circuit board that a slice is arranged at this wheel hub end face, and at least one is arranged on this second circuit board and can powers to produce the light-emitting component of light;

   One second stator, have a slice be fixedly arranged on this wheel hub bottom substrate, several are around the inductor coil that is laid in this substrate bottom surface and is electrically connected to this second circuit board, and a slice is covered on the long-pending magnetic sheet of described inductor coil below; And

   One second magnet ring is fixedly arranged at and can produces on the mutual position that changes of magnetic with described inductor coil interaction.
2. 2. according to claim 1 can self luminous radiation fan, it is characterized in that:

   This second magnet ring is to wear this central siphon and be fixedly arranged on this first circuit board, and is positioned at the relative below of this long-pending magnetic sheet.
3. 3. as can self luminous radiation fan as described in the claim 2, it is characterized in that:

   This frame unit also has a shell, is to be covered on the pedestal of this frame unit.
4. 4. as can self luminous radiation fan as described in the claim 3, it is characterized in that:

   The light-emitting component of this luminescence unit is to adopt light emitting diode.
5. 5. as can self luminous radiation fan as described in the claim 4, it is characterized in that:

   The pedestal of this frame unit and shell all have several airflow holes.
6. 6. as can self luminous radiation fan as described in the claim 4, it is characterized in that:

   The shell of this frame unit has several air-flow introduction holes, and this pedestal then cooperates with shell and defines an air-flow leadout hole.

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