WO2004085851A1

WO2004085851A1 - A rotating shining fan

Info

Publication number: WO2004085851A1
Application number: PCT/CN2003/000210
Authority: WO
Inventors: Chunqiu Xia; Donghong Qing
Original assignee: Chunqiu Xia; Donghong Qing
Priority date: 2003-03-24
Filing date: 2003-03-24
Publication date: 2004-10-07
Also published as: AU2003221228A1

Abstract

The invention relates to a rotating shining fan, which comprises a securing block and a rotating body which is mounted to the securing block rotatablely. The rotating body is driven by an inside power or an outside power and on which at least a shining bulb is mounted. A generator supplies the power used to the shining bulb. The rotor of the generator is Centrosymmetric, and is installed axially on the rotating body, and rotates synchronally with the rotating body. The shining bulb is electrical connected with the coil of the rotor. The stator of the generator mounted on a bracket supplies a magnetic field for the rotor. Said rotating shining fan can light rotatablely, and can form arc light. Since the electricity supplied to the shining bulb is generated by the rotor of the fan, additional power and control circuit is not required. The rotating shining fan has the advantages of materiel saving, simple structure, lowest cost.

Description

TECHNICAL FIELD:

The invention relates to a DC or AC electric fan that rotates and emits light.

Background technique:

In order to meet the needs of consumers, the functions of electric fans are also continuously enhanced. More and more electric fans have the function of emitting light in addition to the function of dissipating heat. However, in the prior art, there are many shortcomings whether it is a household AC light-emitting electric fan or a small DC light-emitting fan that is carried around or used to dissipate equipment such as a computer. For example, China's utility model patent No. 02216228. 3 issued on January 29, 2003, discloses a miniature fan, which is composed of a housing, a built-in motor, a base body with a blade on the motor shaft, and a buckle on the seat. The body consists of a seat cover. A fixed mounting plate is arranged between the seat body and the seat cover. The mounting plate is provided with a power source, a switch and a light emitting body connected in series with each other. Although the micro-fan can also emit light, it has at least two disadvantages: first, because the light-emitting body is arranged on a fixed mounting plate, it cannot rotate with the fan blades and cannot form an arc; second, an additional power source is required to supply power to the light-emitting body No energy savings. Another piece of Chinese Utility Model Patent No. 00260094. 3 issued on October 10, 2001, discloses a household floor electric fan, which is composed of a base, a column and a head. The machine head includes a net cover, a motor, and a fan blade mounted on the motor shaft. The fan blade is provided with a display hole for installing a display device. The display device is fixed on a control board that rotates with the fan blade. connection. The display device includes a light emitting diode and a control circuit thereof. The control circuit includes a sensor circuit and a microcontroller circuit. The sensor circuit includes a Hall sensor and a magnet. The external power supply supplies power to the light emitting diode through the control board. Although the electric fan can realize rotating light, it needs external power Power supply has complex structure and high cost.

Summary of the invention:

The purpose of the present invention is to overcome the above-mentioned shortcomings of the prior art, and to provide a rotating light emitting fan, which can not only realize rotating light emission, thereby forming an arc light, and achieve a better display effect; but also use the rotation of the electric fan rotor to emit light by itself to emit light. It can be powered by pipe, so no additional power lines and control circuits are needed, which saves material. In addition, the rotary light-emitting fan has a simple structure and low cost, and can ensure better balance when the rotating body and the rotor rotate together.

A rotating light emitting fan provided according to the present invention includes a fixed base and a rotating body rotatably mounted on the fixed base, the rotating body is driven to rotate by an external or built-in power source, and the rotating body is provided with at least one light-emitting tube. The light-emitting tube is powered by a generator, and the entire rotor of the generator is symmetrical about the center, which is coaxially mounted with the rotating body and rotates synchronously therewith, and the light-emitting tube and a coil winding on the rotor. Electrical connection; the stator of the generator is fixed on a bracket and provides a magnetic field for the coil windings of the rotor.

The rotating light-emitting fan provided according to the present invention also has the following subsidiary technical features: In a solution provided by the present invention, the stator is a hollow columnar body, which includes a ring magnet, and the ring magnet is located at a position of the bracket. Inside the hollow cylinder, a metal ring is provided between the ring magnet and the hollow cylinder; the rotor is a disc-shaped body and is located inside the ring magnet.

In an embodiment of the above solution provided by the present invention, the rotor is snapped together with the rotating body. Its specific structure is as follows: the rotor includes upper and lower insulation frames and a core sandwiched between the two insulation frames, and the coil winding is wound on the insulation frame, and is connected with the insulation frame through the insulation frame. Iron core insulation; a hook capable of being engaged with each other is formed on the upper insulating frame and an upper end shaft of the rotating body, and is connected together through the hook. In another embodiment of the above solution provided by the present invention, the rotor and the rotating body are connected together by a tight fit. The specific structure is as follows: the rotor includes upper and lower insulation frames and a core sandwiched between the two insulation frames, and the coil winding is wound on the insulation frame, and passes through the insulation frame and the core. Insulation; the middle hole of the insulation frame and the upper end shaft of the rotating body are concentric and closely fit.

In another aspect of the present invention, the stator is a cylindrical magnet, and an upper end of the stator is fixed in a hollow cylinder of the bracket; the rotor is a hollow disk-shaped body, and the cylindrical magnet The lower end extends into the inside of the rotor.

In an embodiment of the above solution provided by the present invention, the rotor is connected to the rotating body by means of screws. The specific structure is as follows: the rotor includes upper and lower insulation frames and a core sandwiched between the two insulation frames, and the coil winding is wound on the insulation frame, and passes through the insulation frame and the core. Insulation; at least two through holes through which screws pass are formed on the rotor, and screw holes are formed on the rotating body at positions corresponding to the through holes, so that the rotor is connected to the rotating body by means of screws Together.

In another embodiment of the above solution provided by the present invention, the rotor and the rotating body are connected together by a tight fit. The specific structure is as follows: the rotor includes upper and lower insulation frames and a core sandwiched between the two insulation frames, and the coil winding is wound on the insulation frame, and passes through the insulation frame and the core. Insulation; the upper end shaft of the rotating body is a hollow columnar body, and the rotor is disposed inside the hollow columnar body, and an outer surface of the rotor is closely matched with an inner surface of the hollow columnar body.

In yet another solution provided by the present invention, the stator is a disc-shaped magnet, which is fixed in a hollow cylinder of the bracket and located above the rotor.

In each of the above solutions provided by the present invention, a metal needle is provided on the rotor, and the hair The light pipe is connected to the coil winding through the metal pin.

The ring magnet is 2 poles or 4 poles or 6 poles or 8 poles, and the coil winding and the iron core are correspondingly 2 or 4 pairs or 6 or 8 pairs; the light emitting tube is 4 or 6 or 8 pairs. Light-emitting diodes of the same color in two pairs, two light-emitting diodes of the same color are located in the same radial position with the axis of the rotating body as the center, and light-emitting diodes of different colors are located in different radial positions.

The iron core is formed by stacking multiple silicon steel sheets or silicon steel sheets.

The rotating light-emitting fan provided according to the present invention has the following advantages over the prior art: First, because the light-emitting tube is arranged on the rotating body, when the rotating body rotates, the light-emitting tube is driven to rotate together, thereby forming an arc, and has a better display effect. ;

Secondly, since the kinetic energy generated during the rotation of the rotating body is used to generate electricity to provide power to the light-emitting tube, the additional power source in the prior art is omitted, and the material is saved compared to the brush device; and the existing technology is also effectively eliminated. Possible safety hazards due to electrical spots, etc.

Thirdly, since the coil windings of the rotor part of the generator are electrically connected to the load (light-emitting tube) to form a closed circuit, there is no need for components such as brushes and commutators, so the structure is simple, the cost is low, and the life is long. At the same time, because the entire rotor is symmetrical about the center, and it is installed coaxially with the rotating body, the rotating body and the rotor are balanced well and rotate smoothly.

Brief description of the drawings:

The present invention is described in detail below with reference to the embodiments given in the drawings:

FIG. 1 is a top view of an embodiment of a rotary light-emitting fan according to the present invention; FIG. 2 is a cross-sectional view taken along the line A-A of the embodiment shown in FIG. 1;

3 is a cross-sectional view taken along A-A of FIG. 1 according to another embodiment; 4 is a bottom view of a stator and a rotor of the generator shown in FIG. 2 and FIG. 3, and the principle of the magnetic circuit in the two embodiments is shown in the figure;

5 is a cross-sectional view of another embodiment of a rotating light-emitting fan provided according to the present invention; FIG. 6a is a bottom view of a stator and a rotor of a generator in the embodiment shown in FIG. Circuit principle; Figure 6b is a sectional view of the rotor in Figure 6a;

FIG. 7 is a cross-sectional view of still another embodiment of a rotary light-emitting fan provided according to the present invention; FIG. 8 is a cross-sectional view of still another embodiment of a rotary light-emitting fan provided according to the present invention; Top view of the rotor of the generator;

FIG. 10a is a cross-sectional view of another generator rotor in the embodiment shown in FIG. 8, and FIG. 10b is a top view of FIG. 10a;

11 is a plan view of another embodiment of a rotating light emitting fan provided according to the present invention, and the state of two light emitting tubes with different distribution radii on eight turns is shown in the figure;

FIG. 12 is a schematic circuit diagram of the present invention (the figure shows a state where a single coil winding drives two light emitting diodes);

Fig. 13 is also a circuit schematic diagram of the present invention (the state in which four light-emitting diodes are driven by a double coil winding is shown in the figure).

detailed description:

Referring to FIGS. 1 and 2, a rotating light-emitting fan (shown as a DC rotating light-emitting fan shown in the figure, which can be installed on a computer as a power supply or a CPU, etc.), includes a fixed base 1 and rotatably mounted on the The rotating body 2 on the fixed base 1 is driven by an external or built-in power source to rotate. In various embodiments of the present invention, the external power source is rotated toward the power source by a power line 10 shown in FIG. 2. The body ² supplies power and drives it to rotate.

The rotating body 2 is provided with at least one light-emitting tube ³ (two light-emitting tubes ³ are shown in the figure), The light-emitting tube 3 is powered by a generator. Referring to FIGS. 2 and 4, the whole of the rotor 4 of the generator is symmetrical about the center, which is coaxially mounted with the rotating body 2 and rotates synchronously therewith. Therefore, when the rotating body and the rotor are rotated together, the balance is better and more stable. The light-emitting tube 3 is electrically connected to the coil winding 41 on the rotor 4; the stator 5 of the generator is fixed on a bracket 6 and provides a magnetic field for the coil winding 41 of the rotor 4. Therefore, when the rotor 4 rotates with the rotating body 2, the coil winding 41 of the rotor 4 will cut the magnetic lines of force, so that an induced current is generated in a closed loop composed of the coil winding 41 and the light-emitting tube 3, and the light-emitting tube 3 emits light. Since the light-emitting tube 3 also rotates in synchronization with the rotating body, an arc light is formed, and a better display effect is achieved.

Referring to FIGS. 2 and 3, in a solution provided by the present invention, the stator 5 is a hollow columnar body, which includes a ring magnet 51, and the ring magnet 51 is located in a hollow column 61 of the bracket 6. A metal ring 52 is provided between the ring magnet 51 and the hollow cylinder 61; the rotor 4 is a disc-shaped body, which is located inside the ring magnet 51. Because the metal ring 52 is caught between the ring magnet 51 and the hollow cylinder 61, the ring magnet 51 is fixed more firmly and securely. At the same time, since the metal ring 52 is a magnetically conductive material, the magnetic flux can be increased, thereby increasing the induction. The electromotive force improves the brightness of the arc tube.

As an embodiment of the foregoing solution, as shown in FIG. 2, the rotor 4 and the rotating body 2 are snapped together. The specific structure is as follows: The rotor 4 includes upper and lower insulation frames 42 and an iron core 43 sandwiched between the two insulation frames 42. As shown in FIGS. 2 and 4, the coil winding 41 is wound around the The insulating frame 42 is insulated from the iron core 43 through the insulating frame 42 to prevent a short circuit; upper ends of the upper insulating frame 42 and the rotating body 2 are formed with hooks 421 and 21 that can be engaged with each other. And snap together through the hooks 421 and 21. This connection method is not only convenient to connect, but also stable and reliable. Referring to FIG. 3, as another embodiment of the foregoing solution, the rotor 4 and the rotating body 2 are connected together by a tight fit. The specific structure is as follows: The rotor 4 includes upper and lower insulation frames 42 and an iron core 43 sandwiched between the two insulation frames 42. As shown in FIGS. 1 and 4, the coil winding 41 is wound around the The insulating frame 42 is insulated from the iron core 43 through the insulating frame 42. The middle hole of the insulating frame 41 and the upper shaft of the rotating body 2 are concentric and closely fitted. This connection method makes the rotor 4 Installation is very convenient.

5 to 7, in another embodiment of the present invention, the stator 5 is a cylindrical magnet 51, and an upper end of the stator 5 is fixed in a hollow cylinder 61 of the bracket 6. The rotor 4 is A hollow disk-shaped body has a lower end of the cylindrical magnet 51 protruding into the rotor 4.

As shown in FIGS. 5, 6a, and 6b, as an embodiment of the foregoing solution, the rotor 4 is connected to the rotating body 2 by means of screws. The specific structure is as follows: the rotor 4 includes upper and lower insulating frames 42 and an iron core 43 sandwiched between the two insulating frames 42, and the coil winding 41 is wound on the insulating frame 42 and passes through the insulating frame 42. The insulating frame 42 is insulated from the iron core 43. The rotor 4 is formed with at least two through holes through which screws pass. In this embodiment, there are only two through holes, and the rotating body 2 corresponds to A screw hole is formed at the position of the through hole, so as to be connected with the rotating body 2 by a screw. The advantage of this connection method is that the connection is tight and secure and will not loosen.

As shown in FIG. 7, as another embodiment of the foregoing solution, the rotor 1 and the rotating body 1 are connected together by a tight fit. The specific structure is as follows: the rotor 4 includes upper and lower insulating frames 42 and a core 43 sandwiched between the two insulating frames 42, and the coil winding 41 is wound on the insulating frame 42 and passes through the insulating frame 42. An insulating frame 42 is insulated from the iron core 43; an upper end shaft of the rotating body 2 is a hollow columnar body, and the rotor 4 is disposed at The inner surface of the hollow cylindrical body is closely matched with the inner surface of the hollow cylindrical body. In this embodiment, the same rotor as the previous embodiment may be used.

8 to 10, in yet another solution provided by the present invention, the stator 5 is a disc-shaped magnet 51 that is fixed in a hollow cylinder 61 of the bracket 6 and is located in the rotor. Above 4, the rotor in this solution can adopt two types of rotor structures shown in FIG. 9 and FIG. 10.

In the above-mentioned embodiments, as shown in FIG. 4, the rotor 4 is provided with a metal pin 44, the metal pin is inlaid on the insulating frame 42, and the light-emitting tube 3 is a light-emitting diode. The metal pin 44 is connected to the coil winding 41, that is, the ends of the coil winding 41 and the pins of the light emitting diode 3 are connected to the metal pin 44 to form a closed loop; the iron core 43 It is made by stacking multiple silicon steel sheets or silicon steel sheets.

In the above first solution, the ring magnet 51 is 2 poles or 4 poles or 6 poles or 8 poles, and the coil winding 41 and the iron core 43 are correspondingly 2 pairs or 4 pairs or 6 pairs or 8 pairs. Referring to FIG. 11, there is shown a state where eight diodes are distributed in two turns.

The implementation circuit of the present invention is relatively simple. Referring to Figs. 12, 13, the circuit diagrams of a single-line coil winding driving two light-emitting diodes and a Chinese-coil winding driving four light-emitting diodes are shown, and so on.

As a more preferred embodiment of the present invention, the light-emitting tubes 3 are four or six or eight light-emitting diodes of the same color, and two light-emitting diodes of the same color are located at the same center with the axis of the rotating body 2 as the center. , The LEDs of different colors are located at different radial positions. In this way, multiple arcs of different colors can be formed, so as to achieve the best display effect.

Claims

Right claim

1. A rotating light emitting fan, comprising a fixed base (1) and a rotating body (2) rotatably mounted on the fixed base (1), the rotating body (2) being driven to rotate by an external or built-in power source, It is characterized in that: the rotating body (2) is provided with at least one light-emitting tube (3), the light-emitting tube (3) is powered by a generator, and the whole of the rotor (4) of the generator is symmetrical about the center, It is coaxially mounted with the rotating body (2) and rotates in synchronization therewith, the light-emitting tube (3) is electrically connected to the wire winding (41) on the rotor (4); the stator of the generator ( 5) It is fixed on a bracket (6) and provides a magnetic field for the coil winding (41) of the rotor (4).

2. The rotating light-emitting fan according to claim 1, characterized in that: the stator (5) is a hollow cylindrical body, which comprises a ring magnet (51), and the ring magnet (51) is located in the bracket (6) ) Inside a hollow cylinder (61); the rotor (4) is a disc-shaped body, which is located inside the ring magnet (51).

3. The rotating light-emitting fan according to claim 2, characterized in that: the rotor (4) and the rotating body (1) are snapped together.

4. The rotary light-emitting fan according to claim 3, characterized in that: the rotor (4) comprises an upper and a lower insulating frame (42), and an iron core clamped between the two insulating frames (42) ( 43), the coil winding (41) is wound on the insulation frame (42), and is insulated from the core (43) through the insulation frame (42); the upper insulation frame (42) and the A hook (421, 21) that can be engaged with each other is formed on the upper end shaft of the rotating body (2), and is clamped together through the hooks (421, 21).

5. The rotating light-emitting fan according to claim 2, wherein: the rotor (4) and the rotating body (2) are connected together by a tight fit. 6. The rotating light emitting fan according to claim 5, wherein the rotor

(4) comprising upper and lower insulation frames (42) and a core (43) sandwiched between the two insulation frames (42), the coil winding (41) is wound on the insulation frame (42), And is insulated from the iron core (43) by the insulation frame (42); the middle hole of the insulation frame (41) and the upper shaft of the rotating body (2) are concentrically and closely fitted.

7. The rotary light-emitting fan according to claim 2, characterized in that: a metal ring (52) is provided between the ring magnet (51) and the hollow cylinder (61).

8. The rotating light-emitting fan according to claim 1, wherein: the stator

(5) a cylindrical magnet (51), the upper end of which is fixed in a hollow cylinder (61) of the bracket (6); the rotor (4) is a hollow disc-shaped body, and the cylindrical shape The lower end of the magnet (51) projects into the rotor (4).

9. The rotating light-emitting fan according to claim 8, characterized in that: the rotor (4) is connected with the rotating body (2) by means of screws.

10. The rotary light-emitting fan according to claim 9, characterized in that: the rotor (4) comprises an upper and a lower insulation frame (42) and a core (43) sandwiched between the two insulation frames (42). ), The coil winding (41) is wound on the insulation frame (42), and is insulated from the iron core (43) through the insulation frame (42); the rotor (4) is formed with a screw thread At least two through holes, screw holes are formed on the rotating body (2) at positions corresponding to the through holes, so that the rotor (4) and the rotating body (2) are connected together by means of screws .

11. The rotating light-emitting fan according to claim 8, characterized in that: the rotor (1) and the rotating body (2) are connected together by a tight fit.

12. The rotary light-emitting fan according to claim 11, wherein: The sub (4) includes upper and lower insulating frames (42) and a core (43) sandwiched between the two insulating frames (42), and the coil winding (41) is wound on the insulating frame (42) And is insulated from the iron core (43) by the insulating frame (42); the upper end shaft of the rotating body (2) is a hollow columnar body, and the rotor (4) is disposed inside the hollow columnar body, The outer surface of the hollow cylindrical body is closely fitted.

13. The rotary light-emitting fan according to claim 1, wherein the stator (5) is a disc-shaped magnet (51), which is fixed to a hollow cylinder of the bracket (6).

(61), and above the rotor (4).

14. The rotary light emitting fan according to any one of the preceding claims, characterized in that: a metal needle (44) is provided on the rotor (4), and the light emitting tube (3) passes through the metal needle ( 44) Connected to the coil winding (41).

15. The rotating light emitting fan according to claim 3 or 6, characterized in that: the ring magnet (51) is 2 poles or 4 poles or 6 poles or 8 poles, the coil winding (41) and the iron core (43) ) Corresponds to 1 or 4 or 6 or 8 pairs.

16. The rotating light-emitting fan according to claim 1, wherein the at least one light-emitting tube (3) is four or six or eight light-emitting diodes of the same color, and two light-emitting diodes of the same color. The light emitting diodes with different colors are located at the same radial position with the axis of the rotating body (2) as the center.

17. The rotary light emitting fan according to claim 4 or 6 or 10 or 12, characterized in that the iron core (43) is formed by stacking a plurality of silicon steel sheets or silicon steel sheets.