CN201255130Y

CN201255130Y - Self-generating radiator fan

Info

Publication number: CN201255130Y
Application number: CNU200820207545XU
Authority: CN
Inventors: 陈建荣; 郑瑞鸿; 林信宏; 谭稊引
Original assignee: Yen Sun Technology Corp
Current assignee: Yen Sun Technology Corp
Priority date: 2008-09-01
Filing date: 2008-09-01
Publication date: 2009-06-10
Anticipated expiration: 2018-09-01

Abstract

The utility model provides a self-generation radiator fan, which comprises a shell unit, an impeller unit, a driving unit and a generation unit. The driving unit comprises a first magnet ring arranged on the impeller unit, a first circuit board arranged on the shell unit, and a plurality of first induction coils arranged on the circuit board in coiled shape. The generation unit comprises a second magnet ring arranged on the shell unit, a second circuit board arranged on the impeller unit, and a plurality of second induction coils arranged on the second circuit board in coiled shape. By virtue of the design of the first induction coils and the second induction coils arranged on the first circuit board and the second circuit board in coiled shape, the thinned structure of the radiator fan can be used for reducing the thickness, and significantly reducing the entire volume of the radiator fan.

Description

The radiation fan of self power generation

[technical field]

The utility model relates to a kind of radiation fan, particularly relates to a kind of radiation fan of self power generation.

[background technique]

Consult Fig. 1, M290267 number " radiation fan that can be luminous " disclosed radiation fan 1 of TaiWan, China patent announcement comprises a fan seat 11, a central siphon 12 of being located on this fan seat 11, a stator 16 that is sheathed on this central siphon 12, a rotating shaft 13 that is hubbed in this central siphon 12, and wheel hub 14 that is arranged in this rotating shaft 13, a magnet ring 17 of being located in this wheel hub 14, and several pieces are from these wheel hub 14 outward extending flabellums 10, be provided with a generator set 15 between this wheel hub 14 and this stator 16, this generator set 15 has a sheathed fixed base 151 that is equipped on this central siphon 12, a magnet frame 152 that is located on this fixed base 151, and one with this magnet frame 152 separately and be arranged at iron core 153 on this wheel hub 14, produce magnetic repulsion and then drive this wheel hub 14 rotations with this magnet ring 17 when these stator 16 energization excitations, this iron core 153 rotates and produces induction current relative to this magnet frame 152, and then reaches the effect of generating.

Yet, because this stator 16 needs by energization excitation, generation is enough to the magnetic repulsion for 17 rotations of this magnet ring, and relatedly this wheel hub 14 is rotated reach the rotating speed of expection, if dwindle the volume of this stator 16, then can cause magnetic force to reduce, and then influence the speed that this wheel hub 14 rotates, therefore, this stator 16 is if the magnetic repulsion that is produced need keep energization excitation the time makes its volume effectively reduce relatively; Moreover, because this generator set 15 is to be placed in this wheel hub 14 inboards, and by coating that this fixed base 151 centers on, and be provided with the magnet frame 152 that cooperates generating with this iron core 153 on this fixed base 151 in addition, therefore, these wheel hub 14 inboards must will have enough spaces and can hold whole generating unit 15, and then make the width of this wheel hub 14 and highly essential increasing, cause the overall volume of this radiation fan 1 also must increase relatively, and when this radiation fan 1 be in the time of must being applied to the field of small-sized mechanism, bigger volume potential must cause on its installation elasticity and reduce, or must sacrifice the area of flabellum 10 and cause radiating efficiency to reduce, therefore, general radiation fan 1 still has the space that can improve on structural design.

[model utility content]

The purpose of this utility model, the radiation fan that is to provide a kind of generating voluntarily and effectively reduces the self power generation of radiation fan ulking thickness simultaneously.

For achieving the above object, the radiation fan of the utility model self power generation comprises a housing unit, a driver element of being located at the interior impeller unit of this housing unit, this impeller unit rotational of driving, and a generator unit of being located in this housing unit.

This housing unit comprises a base, reaches one from the upwardly extending central siphon of this base.

This impeller unit comprises a wheel hub that is hubbed at the central siphon of this housing unit, and several pieces are from the flabellum that this wheel hub extends to external radiation, and wherein, this wheel hub has a basal wall portion, and a rampart portion that extends downwards from this basal wall portion periphery, described flabellum is an outer circumferential face of being located at this rampart portion.

This driver element comprise the first circuit board, one of first magnet ring that is located on the rampart portion inner peripheral surface of this wheel hub, central siphon outer periphery that a slice is arranged at this housing unit be electrically connected this first circuit board and with this first magnet ring sense cell separately, and several be laid on this first circuit board curlingly and with this first magnet ring first inductor coil separately.

This generator unit comprises second magnet ring, the second circuit board of basal wall portion that a slice is located at this wheel hub on the central siphon that is sheathed on this housing unit, and several be laid on this second circuit board curlingly and with this second magnet ring second inductor coil separately.

Effect of the present utility model is, first inductor coil by this driver element is the setting that is laid on this first circuit board curlingly, be not merely able to reach the effect that drives this impeller unit rotational, can also dwindle fan thickness by the design of its thinning, moreover, second inductor coil of this generator unit be too be laid in curlingly on this second circuit board thinning design and with this second magnet ring induction generating, therefore, can significantly reduce the overall volume of radiation fan.

[description of drawings]

Fig. 1 is a sectional view, and the aspect of TaiWan, China patent announcement M290267 number " radiation fan that can be luminous " is described;

Fig. 2 is a three-dimensional exploded view, and first preferred embodiment of the radiation fan of the utility model self power generation is described;

Fig. 3 is a sectional view, and the aspect after this first preferred embodiment is made up is described;

Fig. 4 is a top view, illustrates that second inductor coil of this first preferred embodiment is laid in the aspect of second circuit board curlingly;

Fig. 5 is a sectional view, and second preferred embodiment of the radiation fan of the utility model self power generation is described.

[embodiment]

Below in conjunction with drawings and Examples the utility model is elaborated:

Before the utility model is described in detail, be noted that in the following description that similar elements is to represent with identical numbering.

Consult Fig. 2, first preferred embodiment of the radiation fan of the utility model self power generation, comprise a housing unit 2, one and be located at impeller unit 3 in this housing unit 2, one and drive the driver element 4 that this impeller unit 3 rotates, and a generator unit 5 of being located in this housing unit 2.

Consult Fig. 2, this housing unit 2 has a base 21, one from these base 21 upwardly extending central siphons 22, and two bearings of being located in this central siphon 22 23.

Consult Fig. 2,3, this impeller unit 3 comprises a wheel hub 31, and several pieces flabellums 32 that extend to external radiation from this wheel hub 31, wherein, this wheel hub 31 has one can stretch the axostylus axostyle 311 in the bearing 23 that places this housing unit 2, a basal wall portion 312 that is connected with this axostylus axostyle 311 rotationally, and a rampart portion 313 that extends downwards from these basal wall portion 312 peripheries, described flabellum 32 is outer circumferential faces of being located at this rampart portion 313.

This driver element 4 comprise first magnet ring 41 that is located on rampart portion 313 inner peripheral surfaces of this wheel hub 31, central siphon 22 outer periphery that a slice is arranged at this housing unit 2 first circuit board 42, several are laid on this first circuit board 42 curlingly and with this first magnet ring 41 first inductor coil 43 separately, and one be electrically connected this first circuit board 42 and with this first magnet ring 41 sense cell 44 separately.

Wherein, described first inductor coil 43 is to adopt two metal line to form around laying with the opposite directions continuous crisping, each metal line can constitute several first coil turn 430, and each first coil turn 430 is to arrange around corresponding first circuit board 42 centers respectively as the fingerprint form and in the concentric circle mode in appearance.

In the present embodiment, this sense cell 44 is a Hall IC, is to change in order to the magnetic of detecting this first magnet ring 41, because this sense cell 44 knows usually that by having in the affiliated technical field the knowledgeable is known, its thin portion member is just no longer added to give unnecessary details with action.

Consult Fig. 3,4, this generator unit 5 comprises second magnet ring 51, the second circuit board 52 of basal wall portion 312 that a slice is located at this wheel hub 31 on the central siphon 22 that is sheathed on this housing unit 2, and several be laid on this second circuit board 52 curlingly and with this second magnet ring 51 second inductor coil 53 separately.

Described second inductor coil 53 is to adopt two metal line to form around laying with the opposite directions continuous crisping, each metal line can constitute several second coil turn 530, and each second coil turn 530 is to arrange around corresponding second circuit board 52 centers respectively as the fingerprint form and in the concentric circle mode in appearance.

According to above-mentioned structure, after this first circuit board 42 operates via extraneous power supply energising, first inductor coil 43 that is laid on this first circuit board 42 is also alived by these first circuit board 42 control flows curlingly, make described first inductor coil 43 produce induction field, the effect of repelling each other by the magnetic force and the aforementioned induction field of this first magnet ring 41, this first magnet ring 41 is rotated because of its magnetic repulsion, and then order about this impeller unit 3 and rotate.

Then, utilize this impeller unit 4 to continue to rotate, also drive second circuit board 52 rotations of the basal wall portion 312 that is sheathed on this wheel hub 31 simultaneously, make the ground that curls be subjected to the mutual variation of the magnetic of this second magnet ring 51 relatively, and produce induction current around second inductor coil 53 that is laid on this second circuit board 52.

By described first inductor coil 43 is laid on this first circuit board 42 curlingly, not only can reach equally and drive the effect that this impeller unit 4 rotates, can also be by the design reduction thickness of its thinning, and, second inductor coil 53 of this generator unit 5 be too be laid in curlingly on this second circuit board 52 thinning design and with these second magnet ring, 51 induction generatings, therefore, can significantly reduce the overall volume of radiation fan.

Consult Fig. 5, second preferred embodiment of the radiation fan of the utility model self power generation is identical with this first preferred embodiment haply, all comprises a housing unit 2, impeller unit 3, a driver element 4, and a generator unit 5.

Place inequality is, this driver element 4 also comprises a slice and adheres on the bottom surface of this first magnet ring 41 and silicon steel plate in the form of a ring 45, be posted by on this first magnet ring 41 by this silicon steel plate 45, the magnetic force influence that its magnetic conductive material is subjected to this first magnet ring 41 also produces magnetic field, and then with the 43 magnetic force mutual exclusions of described first inductor coil, increase the magnetic repulsion between this magnet ring 41 and described first inductor coil 43 relatively, improve the rotational velocity of this impeller unit 3.

Conclude above-mentioned, the radiation fan of the utility model self power generation, first inductor coil 43 that utilizes this driver element 4 is the designs that are laid on this first circuit board 42 curlingly, be not merely able to reach the effect that drives these impeller unit 3 rotations, can also dwindle fan thickness by the design of its thinning, moreover, second inductor coil 53 of this generator unit 5 be too be laid in curlingly on this second circuit board 52 thinning design and with these second magnet ring, 51 induction generatings, therefore, can significantly reduce the overall volume of radiation fan, so can reach the purpose of this utility model really.

Claims

1. the radiation fan of a self power generation, comprise a housing unit, an impeller unit of being located at this housing unit, a driver element of being located at this housing unit, and generator unit of being located at this housing unit, this housing unit comprises a base, reach one from the upwardly extending central siphon of this base, this impeller unit comprises a wheel hub that is hubbed at the central siphon of this housing unit, and several pieces flabellums that extend to external radiation from this wheel hub, wherein, this wheel hub has a basal wall portion, and a rampart portion that extends downwards from this basal wall portion periphery, described flabellum is an outer circumferential face of being located at this rampart portion, it is characterized in that:

This driver element comprises first magnet ring that is located on the rampart portion inner peripheral surface of this wheel hub, a slice is arranged at the first circuit board of the central siphon outer periphery of this housing unit, one be electrically connected this first circuit board and with this first magnet ring sense cell separately, and several be laid on this first circuit board curlingly and with this first magnet ring first inductor coil separately, this generator unit comprises second magnet ring on the central siphon that is sheathed on this housing unit, a slice is located at the second circuit board of the basal wall portion of this wheel hub, and several be laid on this second circuit board curlingly and with this second magnet ring second inductor coil separately.

2. the radiation fan of self power generation according to claim 1 is characterized in that:

Described first and second inductor coil is to adopt two metal line to form around laying with the opposite directions continuous crisping respectively, and each metal line can be to constitute several first and second coil turn.

3. as the radiation fan of self power generation as described in the claim 2, it is characterized in that:

Each first and second coil turn is to arrange around corresponding first and second circuit board center respectively in the concentric circle mode.

4. as the radiation fan of self power generation as described in the claim 3, it is characterized in that:

This driver element also comprises a slice and adheres on the bottom surface of this first magnet ring and silicon steel plate in the form of a ring.