TWM467985U - Pattern display device - Google Patents

Abstract

A pattern display device is applied on a rotating body. The pattern display device comprises a power transmission unit, a pattern display unit, and at least one light emitting unit. The power transmission unit is disposed on the fixed position. The pattern display device is disposed on the rotating body. The light emitting unit is disposed on the rotating body and electrically connects to the pattern display unit. When the pattern display unit rotates to the fixed position, the power transmission unit charges the pattern display unit, so as to enable the pattern display unit to have the ability to make the at least one light emitting unit emit light.

Description

Pattern display device

The present invention relates to a pattern display device, and more particularly to a pattern display device applied to a rotating body.

Nowadays, the application of LED display screens has become very popular. From multimedia playback, advertising, texts, to simple numbering machines, etc., there are also rotating effects to install single or multiple LEDs on wheels, except for the increase. In addition to the decorative effect of fashion, the warning recognition function can be enhanced at night to increase driving safety. However, because the rotation of the wheel during the movement causes the pattern to follow the wheel, the pattern is designed to be monotonous in geometry; In addition, the Republic of China Patent Publication No. 201007646 "A device for displaying an icon with a LED light on a rotating body" is also a pattern display device applied to a rotating body, but the display content is changed by changing a program or editing a display pattern. When finished, the average user cannot design the pattern by himself.

Therefore, how to provide a pattern display device to display a variety of patterns when the swivel is rotated is one of the current important issues.

In view of the above problems, the present invention provides a pattern display device that can be applied to a rotating body.

A pattern display device of the present invention is applied to a rotating body, which comprises a power transmission unit, a pattern display unit and at least one lighting unit. The power transmission unit is disposed at a fixed position; the pattern display unit is disposed on the rotating body; the light emitting unit is disposed on the rotating body and electrically connected to the pattern display unit; and when the pattern display unit is turned to the fixed position, the power transmission unit displays the pattern The unit is charged and the pattern display unit is activated to illuminate at least one of the light emitting units.

In summary, according to a pattern display device according to the present invention, the control pattern display unit emits light when the rotating body is turned to a fixed position, so that the pattern display device applied to the rotating body can have a variety of display patterns and can At the same time, it enhances the alert identification function and also has a fashionable decorative effect.

[study]
no

[this creation]
1‧‧‧ pattern display device
10‧‧‧Power Transfer Unit
11‧‧‧AC signal generation circuit
12‧‧‧First position sensing circuit
121, 221‧‧‧ magnetic sensor
13‧‧‧Transfer coil
14‧‧‧Battery
15‧‧‧First positioning magnet
20‧‧‧ pattern display unit
21‧‧‧ Energy storage and lighting drive circuit
211‧‧‧ pulse width modulation circuit
212‧‧‧Constant current supply circuit
22‧‧‧Second position sensing circuit
23‧‧‧Induction coil
24‧‧‧Battery
25‧‧‧Second positioning magnet
26‧‧‧Light sensing circuit
30‧‧‧Lighting unit
40‧‧‧fixed position
50‧‧‧Swivel
B‧‧‧Bicycle
C1‧‧‧First current
C2‧‧‧second current
C3‧‧‧third current
S‧‧‧Fixed bracket
S1‧‧‧ first sensing signal
S2‧‧‧ second sensing signal

FIG. 1 is a schematic view showing an application diagram of a pattern display device according to the present invention.
2 is a schematic view showing a functional block diagram of a pattern display device according to the present invention.
3 is a schematic view showing a block diagram of a module of a pattern display device according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a pattern display device according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings, wherein the same elements will be described with the same reference numerals.

Please refer to FIG. 1 , which is a schematic diagram of the application of a pattern display device. A pattern display device of the present invention is applied to a rotating body and cooperates with a fixed position, and the rotating body can be a wheel of a car, a wheel of a locomotive, or a wheel of a bicycle, and the fixed position is not the above-mentioned rotating body. The present invention is based on the wheel 50 of the bicycle B, and takes a fixed position 40 on the fixed bracket S of the bicycle B as an example, which is not used to limit the creation. A pattern display device of the present invention includes a power transmission unit 10, a pattern display unit 20, and at least one light emitting unit 30. The power transmission unit 10 of the pattern display device is disposed at the fixed position 40, and the pattern display unit 20 and the light-emitting unit 30 are disposed on the rotating body 50, and the pattern display unit 20 is electrically connected to the light-emitting unit 30. When the pattern display unit 20 is rotated to the fixed position 40 with the swivel 50, the power transfer unit 10 supplies power to the pattern display unit 20 in a wireless transmission manner, and the touch pattern display unit 20 illuminates the light emitting unit 30.

2 is a functional block diagram of a pattern display device of the present invention. The power transmission unit 10 of the pattern display device 1 supplies power to the pattern display unit 20 in a wireless transmission manner, and causes the pattern display unit 20 to illuminate the light-emitting unit 30. The wireless transmission mode is based on the principle of electromagnetism and magnetoelectricity, and the magnetic field is generated by the power transmission unit 10, so that the pattern display unit 20 generates a current through the magnetic field to illuminate the illumination unit 30, due to electromagnetism and magnetism. The electrical principles are well known to those of ordinary skill in the art and will not be described herein.

FIG. 3 is a block diagram of a module of a pattern display device according to the present invention. The operation principle of the pattern display device 1 will be described in detail below. Referring to FIG. 1 and FIG. 3 simultaneously, the power transmission unit 10 of the pattern display device 1 includes an AC signal generating circuit 11 , a first position sensing circuit 12 , a transmitting coil 13 , a battery 14 , and a first positioning magnet 15 . . The AC signal generating circuit 11 is powered by the battery 14 , the transmitting coil 13 is electrically connected to the AC signal generating circuit 11 , and the first position sensing circuit 12 is electrically connected to the AC signal generating circuit 11 . The first position sensing circuit 12 is configured to detect whether the position of the pattern display unit 20 is located at the fixed position 40. If the pattern display unit 20 is rotated to the fixed position 40 with the rotating body 50, the first position sensing circuit 12 controls The AC signal generating circuit 11 outputs the first current C1 to the transmitting coil 13, causing the transmitting coil 13 to generate a magnetic field via the first current C1, wherein the first current C1 is an alternating current.

Referring to FIG. 3, the pattern display unit 20 of the present pattern display device 1 includes an energy storage and illumination driving circuit 21, a second position sensing circuit 22, an induction coil 23, and a battery 24. And a second positioning magnet 25. The energy storage and illumination driving circuit 21 is electrically connected to the battery 24, the energy storage and illumination driving circuit 21 is electrically connected to the light emitting unit 30, and the second position sensing circuit 22 is electrically connected to the energy storage and illumination driving circuit 21, and the induction coil is electrically connected. 23 is electrically connected to the energy storage and illumination driving circuit 21. When the induction coil 23 senses a magnetic field generated by the transmission coil 13 of the power transmission unit 10 via the alternating current signal, the induction coil 23 generates a second current C2 to the energy storage and illumination drive circuit 21 via electromagnetic coupling, wherein the second current C2 is an alternating current Current. The energy storage and illumination driving circuit 21 has a rectifying circuit (not shown) for rectifying the second current C2 into a direct current and transferring it to the battery 24. When the second position sensing circuit 22 detects that the pattern display unit 20 is rotated to the fixed position 40 with the rotating body 50, the second position sensing circuit 22 controls the energy storage and illumination driving circuit 21. The third current C3 is transmitted to the light emitting unit 30 to illuminate the light emitting unit 30.

It should be noted that the first position sensing circuit 12 has a magnetic sensor 121 for sensing whether the second positioning magnet 25 of the pattern display unit 20 is turned to the fixed position 40, and the output of the AC signal generating circuit 11 is controlled. The signal is exchanged to the transmitting coil 13 and a magnetic field is generated. Similarly, the second position sensing circuit 22 also has a magnetic sensor 221 for sensing the relative position of the first positioning magnet 15 of the power transmission unit 10 to further control the energy storage and illumination driving circuit 21 to illuminate. Light emitting unit 30.

Further, when the pattern display unit 20 is rotated to the fixed position 40, the second positioning magnet 25 triggers the first position sensing circuit 12 of the power transmission unit 10 to transmit a first sensing signal S1 to the alternating current signal generating circuit 11, The AC signal generating circuit 11 is caused to output a first current C1 to the transmitting coil 13 and generate a magnetic field. Similarly, when the pattern display unit 20 is rotated to the fixed position 40, the first positioning magnet 15 triggers the second position sensing circuit 22 of the pattern display unit 20 to transmit a second sensing signal S2 to the energy storage and illumination driving circuit 21. The energy storage and illumination driving circuit 21 is caused to illuminate the light emitting unit 30.

It is worth mentioning that the pattern display unit 20 further includes a light sensing circuit 26 and is electrically connected to the energy storage and illumination driving circuit 21 . Light sensing circuit 26 can be used to sense ambient light, such as sunlight. When the external light is strong, the light sensing circuit 26 can control the energy storage and illumination driving circuit 21 not to illuminate the light emitting unit 30, thereby saving the power of the battery 24. Although the light sensing circuit 26 prohibits the energy storage and illumination driving circuit 21 from illuminating the light emitting unit 30 when the external light is strong, the battery 24 can continue to charge and store power while the rotating body continues to rotate.

In addition, when there are a plurality of light emitting units 30, the energy storage and illumination driving circuit 21 can respectively control the lighting thereof, for example, only a single light emitting unit 30 or a plurality of light emitting units 30 can be illuminated.

It is worth mentioning that the energy storage and illumination driving circuit 21 further includes a Pulse Width Modulation (PWM) circuit 211 and/or a constant current supply circuit 212, and the pulse width of the energy storage and illumination driving circuit 21. The modulation circuit 211 or the constant current supply circuit 212 can respectively control the lighting time of the light emitting unit 30, for example, the display unit is constantly brightened, extinguished, blinked, faded, or faded, etc., to achieve various changes. The pattern shows the effect. The pulse width modulation circuit of the energy storage and illumination driving circuit 21 can also automatically turn off the power supply of the light-emitting unit 30 by the energy storage and illumination driving circuit 21 after the pattern display device 1 stands by (ie, the rotating body is not rotated) for a period of time. Save electricity.

In addition, in the pattern display device of the present invention, the light-emitting unit 30 may be a combination of a light-emitting diode (LED), a light tube, a light bulb, a light bar, or other light-emitting elements, which is not limited herein. And the display shape of the light-emitting unit can be freely designed according to the needs of the user.

In summary, according to a pattern display device according to the present invention, the principle of electromagnetism and magnetoelectricity is utilized, and the control pattern display unit emits light when the rotating body is turned to a fixed position, and the user can design the display of the light emitting unit by himself. The shape enables the pattern display device applied to the rotating body to have a variety of display patterns, and can enhance the warning recognition function at night, and also has a fashionable decorative effect.

The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of this creation shall be included in the scope of the appended patent application.

1‧‧‧ pattern display device

10‧‧‧Power Transfer Unit

11‧‧‧AC signal generation circuit

12‧‧‧First position sensing circuit

121, 221‧‧‧ magnetic sensor

13‧‧‧Transfer coil

14‧‧‧Battery

15‧‧‧First positioning magnet

20‧‧‧ pattern display unit

21‧‧‧ Energy storage and lighting drive circuit

211‧‧‧ pulse width modulation circuit

212‧‧‧Constant current supply circuit

22‧‧‧Second position sensing circuit

23‧‧‧Induction coil

24‧‧‧Battery

25‧‧‧Second positioning magnet

26‧‧‧Light sensing circuit

30‧‧‧Lighting unit

C1‧‧‧First current

C2‧‧‧second current

C3‧‧‧third current

S1‧‧‧ first sensing signal

S2‧‧‧ second sensing signal

Claims (10)

A pattern display device applied to a rotating body, comprising:
a power transmission unit disposed at a fixed position;
a pattern display unit is disposed on the rotating body; and at least one light emitting unit is disposed on the rotating body and electrically connected to the pattern display unit;
When the pattern display unit is turned to the fixed position, the power transmission unit charges the pattern display unit and touches the pattern display unit to illuminate the at least one light emitting unit. The pattern display device of claim 1, wherein the power transmission unit comprises an AC signal generating circuit, a transmitting coil, a first position sensing circuit, a first positioning magnet, and a battery. The pattern display device of claim 2, wherein the first position sensing circuit comprises a magnetic sensor. The pattern display device of claim 1, wherein the pattern display unit comprises an energy storage and illumination driving circuit, a battery, a second position sensing circuit, an induction coil, and a second positioning magnet. The pattern display device of claim 4, wherein the pattern display unit further comprises a light sensing circuit. The pattern display device of claim 4, wherein the second position sensing circuit comprises a magnetic sensor. The pattern display device of claim 1, wherein the at least one light emitting unit is a light emitting diode, a light tube, a light bulb, a light bar, or a combination thereof. The pattern display device of claim 4, wherein the energy storage and illumination driving circuit comprises a Pulse Width Modulation (Pulse Width Modulation). The pattern display device of claim 4, wherein the energy storage and illumination driving circuit comprises a constant current supply circuit. The pattern display device of claim 1, wherein the power transmission unit is fixed to the fixed position of a fixing bracket, and the rotating system is connected to the fixing bracket by a rotating shaft, and the rotating shaft is opposite to the rotating shaft Rotating on the fixed bracket.