TWI516002B - Contactless power generation device and light output device with contactless power generation function - Google Patents

Description

Contactless power generation device and light output device with contactless power generation function

The present invention relates to a contactless power generation device, and components and applications thereof.

At present, existing generators, usually mechanical energy, are converted into electrical energy. In the bicycle or vehicle field, for example, in order to avoid the use of batteries, contact generators or electric drums are the mainstream in the market, but contact generators or electric drums have limitations and inconveniences in their use:

(1) Referring to the eighth figure, a contact generator 60 must directly contact the surface of a wheel or a rim 52 to drive a partial rotation (B) of the contact generator 60 when the wheel rotates (A). Generator 60 converts rotational mechanical energy into electrical energy output. However, although electrical energy can be generated during contact, it increases the force required by the user to ride, resulting in poor feeling or physical exertion.

(2) Although the hub dynamo has better feeling than the contact generator, it must be directly integrated and mounted on the wheel. The user cannot install or adjust the position by itself, and the procurement and maintenance costs are high.

In order to solve the technical problem that the prior art causes additional friction and causes bad feeling, or has to pay more maintenance and procurement costs, the present invention solves many of the existing technologies in a non-contact manner and does not need to be installed on a hub of a hub. The problem is to achieve the technical effect of easy use and low cost.

The present invention provides a contactless power generation device including a power generation module and a magnetic force group, the power generation module including a rotating component and an energy conversion group, The rotating component is rotatable relative to the energy conversion group, the magnetic force group is fixedly mounted on a partial surface of the rotating component, and the position of the magnetic force group corresponds to the energy conversion group, the magnetic force group generates a body magnetic field, and the body magnetic field is subjected to an external The force of the magnetic field drives the rotating element to rotate, and the energy conversion group senses part of the body magnetic field of the magnetic group to convert the rotational mechanical energy of the rotating element into an electric power output by a conversion means, the external magnetic field sensing the metal moving object Generated by the body magnetic field.

The conversion means generates an electric power output for the energy conversion group to sense the relative magnetic field of the body by an induction coil.

The conversion means is respectively provided with an independent magnetic component and an induction coil at a position corresponding to the position of the rotating component and the energy conversion group, and the induction coil induces a magnetic field generated by the magnetic field moving relative to the independent magnetic component to generate an electric power output.

The energy conversion component is at least partially disposed outside the magnetic group.

The invention provides an inductive rotor assembly, wherein a surface of a rotating shaft of the rotor assembly is fixedly provided with a magnetic group, the magnetic group is close to a moving metal object, and the magnetic group is driven by an external magnetic field generated by the moving metal object. The shaft rotates.

The magnetic force group is a powerful magnet provided on the rotating shaft by a plurality of rings.

The present invention further provides a light output device having a contactless power generation function, comprising a power generation module, a magnetic force group and a light emitting module, the power generation module comprising a rotating component and an energy conversion group, wherein the rotating component is opposite The energy conversion group rotates, the magnetic force group is fixedly mounted on a partial surface of the rotating component, and the position of the magnetic force group corresponds to the energy conversion group, the magnetic force group generates a body magnetic field, and the body magnetic field is subjected to an external magnetic field Driving the rotating element to rotate, the energy conversion group sensing a part of the body magnetic field of the magnetic group to The conversion means converts the rotational mechanical energy of the rotating component into an electric power output, wherein the external magnetic field is generated by sensing a magnetic field of the body by the metal moving object; the lighting module is directly or indirectly electrically connected to the energy conversion group, and The power output from the energy conversion group produces a light output.

Each of the light-emitting units is electrically connected to the energy conversion group, and the energy conversion group outputs alternating current power, and each of the light-emitting units generates light output in a positive half cycle and a negative half cycle of the alternating current power.

An energy storage component is connected between the light emitting module and the energy conversion group, and the energy storage component stores power generated by the energy conversion group, and the light emitting module generates power required for light output.

The light output device with the contactless power generation function is integrated or fixedly mounted on one of the front forks of a bicycle, a transmission, a brake device, a disc clamp, a soil removal, a soil removal foot, and a dish. a group or a frame; the energy storage component is further electrically connected to a warning light output component, wherein the warning light output component is configured to generate a warning light output when the energy conversion group suspends output power by the power provided by the energy storage component .

The invention further provides a device with contactless motion sensing, comprising a power generation module and a magnetic force group, the power generation module comprising a rotating component and an energy conversion group, the rotating component being rotatable relative to the energy conversion group, The magnetic group is fixedly mounted on a partial surface of the rotating component, and the position of the magnetic group corresponds to the energy conversion group, the magnetic force group generates a body magnetic field, and the body magnetic field is driven by an external magnetic field to drive the rotating component to rotate. The energy conversion group senses a part of the body magnetic field of the magnetic group to convert the rotational mechanical energy of the rotating element into an electric power output by a conversion means, wherein the external magnetic field is generated by sensing a magnetic field of the body by the metal moving object, the metal moving object is a Machine gear Piece, an electric fan blade or a motor vehicle wheel rim.

As can be seen from the foregoing description, the present invention has the following advantages:

1. Without contact, the bicycle rider can generate illumination or warning light output with almost no wear and tear loss, and solve the defects in the use of existing generators.

2. It does not need to be installed on the hub, and it is almost unlimited in use. The user can install it at any position where an induced magnetic field can be generated. It is easy to use and low in cost, and solves the limitation of the use of the existing electric drum.

3. It can be used to sense the rotation of specific metal objects, so it can be used for warning, power generation and so on.

Please refer to the first to fourth figures, which are a preferred embodiment of the contactless power generation device of the present invention, which includes a power generation module 10 and a magnetic force group 20. The power generation module 10 includes a rotating component 12 and an energy conversion group 16 . The rotating component 12 is relatively rotatable relative to the energy conversion group 16 or other portions of the power generating module 10. The rotating component 12 of the embodiment is partially rotatably inserted into the rotating shaft of the energy conversion group 16, and the rotating component 12 When the energy conversion group 16 is rotated, the energy conversion group 16 converts the rotational mechanical energy of the rotary member 12 into an electric power output by a conversion means. The conversion means of the embodiment is that an independent magnetic component is fixedly disposed at a position corresponding to the rotating component 12 and the energy conversion group 16, and the energy conversion group 16 is provided with an induction coil, and when the rotating component 12 rotates, the driving component The independent magnetic element rotates relative to the induction coil such that the induction coil produces an induced current output.

The magnetic group 20 is fixedly mounted to the rotating component 12, and the magnetic group 20 A body magnetic field is generated to be output outward relative to the rotating member 12, and the body magnetic field is urged by an external magnetic field to drive the rotating member 12 to rotate. The magnetic force group 20 of this embodiment includes a plurality of magnets fixed to the rotating element 12, and the plurality of magnets generate the body magnetic field. In use, the magnetic force group 20 approaches a metal moving object, so that the metal moving object senses the body magnetic field to generate and output the external magnetic field, and the external magnetic field exerts a force with the body magnetic field to rotate the rotating element 12. When the rotating element 12 is rotated, the energy conversion group 16 converts the mechanical energy into an electrical energy output by the aforementioned conversion means.

The configuration of the magnetic force group 20 is not limited, and may be a plurality of columnar strong magnets (such as the fourth figure) disposed on the circumferential side surface of the rotating element 12, or may be formed into a curved piece as shown in the fifth figure. A plurality of side-by-side powerful magnets, wherein all of the powerful magnets preferably have a relatively magnetic field facing outward to enhance the magnetic field of the body.

Further, the contactless power generating device may further include a light emitting module 14 electrically or directly connected to the energy conversion group 16 to generate light output by the power generated by the energy conversion group 16 . The illuminating module 14 can include two illuminating units 141 and 142. Each of the illuminating units 141 and 142 is electrically connected to the energy conversion group 16, and the power output from the energy conversion group 16 is AC. The light-emitting units 141 and 142 respectively generate light outputs in the positive half cycle and the negative half cycle of the AC output power, as shown in the sixth figure. The electrical connection between the light-emitting module 14 and the energy conversion group 16 can be connected to an energy storage component and/or a rectifier circuit, and the energy storage component stores the power generated by the energy conversion group 16 for The lighting module 14 produces the power required for light output. Among them, the hair The type of the optical element is not limited, and may be an element such as a light-emitting diode, an organic light-emitting diode, or a light bulb.

The illuminating module 14 can be integrally mounted on the power generating module 10 and the magnetic group 20, as shown in FIG. 5; the illuminating module 14 can also be independently installed outside the power generating module 10, as shown in FIG. Show.

Further, the energy conversion group 16 can also be correspondingly disposed at a corresponding position of the magnetic force group 20, so that when the magnetic force group 20 rotates, the energy conversion group 16 senses the body magnetic field in the movement of the magnetic force group 20 to generate an induced power output. For example, the energy conversion group 16 can be spaced apart from the outer portion of the magnetic force group 20, and the energy conversion group 16 is an induction coil that senses the body magnetic field of the magnetic force group 20 to generate an inductive power output. Alternatively, please refer to the seventh figure, the magnetic group 20 can be fixedly disposed on the surface of a sleeve 21 such that the magnetic group 20 is sleeved outside the energy conversion group 16; when the magnetic group 20 is subjected to the external magnetic field When the force is rotated, the sleeve 21 and the magnetic force group 20 rotate against the energy conversion group 16, so that the energy conversion group 16 senses the magnetic field of the magnetic force group 20 to generate an induced power output.

In use, the contactless power generating device can be applied to any metal moving member to generate an induced current output. With reference to the third embodiment, when the embodiment is applied to a bicycle 50, the magnetic force group 20 of the embodiment may correspond to the metal movement that is generated when the bicycle 50 moves during use or use. The vicinity of the object, such as a metal (aluminum, steel, magnesium aluminum, magnesium alloy, etc.) one of the rim 52, a disc, a toothed disc, etc., when the bicycle 50 travels, the magnetic group 20 is affected by the rim 52 The force of the external magnetic field generated by the disc is started to rotate, thereby achieving the effect of converting the aforementioned rotational mechanical energy into electric power output. In practice, the present embodiment is fixed. The method is not limited, for example, it can be fixed on a front fork, a transmission, a brake, a disc set, a soil removal, a soil removal foot, and a frame, as shown in the third figure.

Further, the energy storage component of the contactless power generation device may be further connected to a warning light output component, wherein when the energy conversion group 16 stops outputting the conversion power, the power provided by the energy storage component generates a power The warning light output is such that the warning light output element can impart a warning light output to the present invention during the process of temporarily stopping the movement (for example, stopping the red light). Judging how to temporarily stop moving

In terms of applications, the present embodiment can be applied to many different applications, such as for sensing the movement or inductive rotation of an object, for rotating a warning, and the like. When the metal object is moved or rotated, the magnetic group 20 is partially close to the movable metal object. When the metal object moves at a critical speed, the magnetic group 20 rotates to determine whether the metal object moves to a specific state. Speed; in the application of the rotation warning, the embodiment can be brought close to a rotating mechanism of a mechanical device (such as an implement belt drive wheel, a rotating shaft, an electric fan, a vehicle wheel rim, ...), when one of the rotating mechanisms rotates When the object starts to rotate to a certain speed, the embodiment can also start to rotate and output current or generate a warning light output to achieve the warning effect.

As can be seen from the foregoing description, the present invention has the following advantages:

1. Without contact, the bicycle rider can generate illumination or warning light output with almost no wear and tear loss, and solve the defects in the use of existing generators.

2. No need to install on the hub, the use is almost unlimited, the user can install in any position that can generate the induced magnetic field, easy to use, low cost Integrity, to solve the limitations of the use of the existing electric drum.

10‧‧‧Power Module

12‧‧‧Rotating components

14‧‧‧Lighting module

141, 142‧‧‧Lighting unit

16‧‧‧Energy Conversion Group

20‧‧‧Magnetic group

50‧‧‧Bicycle

52‧‧‧ rims

53‧‧‧ frame

54‧‧‧煞clipper

The first, second, third and fourth figures are schematic diagrams of the use of the invention.

Figure 5 is a perspective view of a preferred embodiment of the present invention.

Figure 6 is a perspective view of a second preferred embodiment of the present invention.

Figure 7 is a perspective view of a third preferred embodiment of the present invention.

The eighth picture is a schematic diagram of the use of conventional generators.

10‧‧‧Power Module

12‧‧‧Rotating components

14‧‧‧Lighting module

16‧‧‧Energy Conversion Group

20‧‧‧Magnetic group

52‧‧‧ rims

Claims (6)

A contactless power generation device includes a power generation module and a magnetic force group, wherein: the power generation module includes a rotating component and an energy conversion group, the rotating component is rotatable relative to the energy conversion group, and the rotating component is coupled to the The position of the energy conversion group is respectively provided with an independent magnetic component and an induction coil, and the induction coil induces a magnetic field generated by the magnetic field moving relative to the independent magnetic component to generate an electric power output; and the magnetic force group is fixedly mounted on a partial surface of the rotating component. The magnetic force group generates a body magnetic field, wherein: the magnetic force group moves the object near the outer metal to cause the metal moving object to sense the body magnetic field to generate and output an external magnetic field; and the external magnetic field and the body magnetic field exert an effect The force drives the rotating element to rotate. The contactless power generating device of claim 1, wherein the metal moving object is an implement transmission object, an electric fan blade or a motor vehicle wheel rim. A light output device having a contactless power generation function, comprising: a power generation module, a magnetic force group and a light emitting module, wherein: the power generation module comprises a rotating component and an energy conversion group, wherein the rotating component is opposite to the energy The conversion group is rotated, and the rotating element is respectively provided with an independent magnetic component and an induction coil at a position corresponding to the position of the energy conversion group, and the induction coil induces a magnetic field generated by a magnetic field moving relative to the independent magnetic component to generate an electric power output; and the magnetic force group Fixedly mounted on a partial surface of the rotating component, the magnetic group Generating a bulk magnetic field, wherein: the magnetic force group moves the object near the outer metal to cause the metal moving object to sense the body magnetic field to generate and output an external magnetic field; and the external magnetic field and the body magnetic field exert a force to drive the The rotating component rotates; and the lighting module is directly or indirectly electrically connected to the energy conversion group, and the light output is generated by the power output by the energy conversion group. The light output device having the contactless power generation function according to claim 3, wherein each of the light emitting units is electrically connected to the energy conversion group, and the energy conversion group outputs alternating current power, each of the light emitting units. The light output is generated in the positive half cycle and the negative half cycle of the alternating current power, respectively. An energy storage device having a contactless power generation function according to claim 3 or 4, wherein an energy storage component is connected between the light emitting module and the energy conversion group, and the energy storage component stores the energy conversion group The generated power is used by the lighting module to generate the power required for the light output. The light output device with contactless power generation function as described in claim 5 is integrated or fixedly mounted on one of a bicycle front fork, a transmission, a brake device, a disc clamp, and a soil removal device. The energy storage component is further electrically connected to a warning light output component, and the warning light output component is stored by the energy conversion group when the output power is suspended. The power provided by the component produces a warning light output.