Stage lighting framing system of endless rotation with wireless power transmission and wireless communication

10542609 ยท 2020-01-21

Assignee

Inventors

Cpc classification

International classification

Abstract

The present invention discloses a stage lighting framing system of rotation with wireless power transmission and wireless communication, comprising a rotating disc bracket, a fixing bracket fixedly connected with the rotating disc bracket, a wireless power supply device, and a framing and shaping mechanism rotatably connected with the rotating disc bracket, in which an electromagnetic field transmitting device is arranged on the fixing bracket, an electromagnetic field receiving device is arranged on the framing and shaping mechanism which is driven by a first drive device for unrestricted angle rotation. It further includes a wireless signal transmission device, and correspondingly a wireless signal receiving device arranged on the framing and shaping mechanism. The present invention can supply continuous power to a framing and shaping mechanism without a cable to achieve wireless power supply. Therefore, the framing and shaping mechanism will have greater rotational freedom and achieve richer light-beam shaping effects.

Claims

1. A stage lighting framing system of endless rotation with wireless power transmission and wireless communication, comprising: a rotating disc bracket; a fixing bracket fixedly connected with the rotating disc bracket; a wireless power supply device, and a framing and shaping mechanism rotatably connected with the rotating disc bracket, wherein the framing and shaping mechanism is configured to intercept and frame a light beam so as to obtain different lighting effects, and is driven by a first drive device for rotation at infinite angle, wherein the framing and shaping mechanism is provided with a second drive device for driving a framing and shaping piece thereon to function, wherein the wireless power supply device includes an electromagnetic field transmitting device arranged on the fixing bracket and an electromagnetic field receiving device arranged on the framing and shaping mechanism for transmitting power to the second drive device, wherein the stage lighting framing system of endless rotation further comprises a wireless signal transmission device, and a wireless signal receiving device corresponding to the wireless signal transmission device and arranged on the framing and shaping mechanism.

2. The stage lighting framing system of endless rotation with wireless power transmission and wireless communication according to claim 1, wherein the framing and shaping mechanism is provided with a motor control device which is in signal connection with the second drive device and the wireless signal receiving device, and is electrically connected with the electromagnetic field receiving device.

3. The stage lighting framing system of endless rotation with wireless power transmission and wireless communication according to claim 1, wherein the wireless signal transmission device and the wireless signal receiving device are provided with a micro controller unit (MCU).

4. The stage lighting framing system of endless rotation with wireless power transmission and wireless communication according to claim 1, wherein the electromagnetic field receiving device and the electromagnetic field transmitting device perform wireless power transmission by means of magnetic resonance or electromagnetic induction.

5. The stage lighting framing system of endless rotation with wireless power transmission and wireless communication according to claim 4, wherein the electromagnetic field transmitting device includes an electromagnetic field transmitting coil, a first mounting assembly for mounting the electromagnetic field transmitting coil, and an electromagnetic field transmission and wireless control circuit board for controlling transmission power of the electromagnetic field transmitting coil, and wherein the electromagnetic field receiving device includes an electromagnetic field receiving coil, a second mounting assembly for mounting the electromagnetic field receiving coil, and an electromagnetic field receiving and wireless control circuit board for converting an alternating current output from the electromagnetic field receiving coil into a direct current.

6. The stage lighting framing system of endless rotation with wireless power transmission and wireless communication according to claim 5, wherein the electromagnetic field transmission and wireless control circuit board includes an oscillator for converting a direct current into an alternating current, and an external current passes through the oscillator and the electromagnetic field transmitting coil in sequence after entering the electromagnetic field transmitting device, so that the electromagnetic field transmitting coil generates a strong varying magnetic field, then the electromagnetic field receiving coil generates an alternating current by electromagnetic induction.

7. The stage lighting framing system of endless rotation with wireless power transmission and wireless communication according to claim 5, wherein the first mounting assembly is in annular shape, and the electromagnetic field transmitting coil is nested inside the first mounting assembly which is fixed on the fixing bracket; and/or the second mounting assembly is in annular shape, and the electromagnetic field receiving coil is nested inside the second mounting assembly which is fixed on the framing and shaping mechanism.

8. The stage lighting framing system of endless rotation with wireless power transmission and wireless communication according to claim 5, wherein the wireless signal transmission device includes a wireless controller arranged on the electromagnetic field transmission and wireless control circuit board, and a transmitting antenna arranged on the electromagnetic field transmission and wireless control circuit board or on the first mounting assembly of the electromagnetic field transmitting coil; and/or wherein the wireless signal receiving device includes a wireless controller arranged on the electromagnetic field receiving and wireless control circuit board, and a receiving antenna arranged on the electromagnetic field receiving and wireless control circuit board or on the second mounting assembly of the electromagnetic field receiving coil.

9. The stage lighting framing system of endless rotation with wireless power transmission and wireless communication according to claim 8, wherein when the transmitting antenna and the receiving antenna are provided on the first mounting assembly of the electromagnetic field transmitting coil and on the second mounting assembly of the electromagnetic field receiving coil respectively, the transmitting antenna and the receiving antenna are in annular shape, the central axes thereof are coincident, and the central axes remain coincident during the rotation at infinite angle.

10. The stage lighting framing system of endless rotation with wireless power transmission and wireless communication according to claim 9, wherein the first mounting assembly is provided with a first annular extending sidewall on which the transmitting antenna is provided, the second mounting assembly is provided with a second annular extending sidewall on which the receiving antenna is provided, and the two antennas are opposingly set when the first mounting assembly and the second mounting assembly are mounted cooperatively.

11. The stage lighting framing system of endless rotation with wireless power transmission and wireless communication according to claim 7, wherein a first nested internal cavity of the first mounting assembly for mounting the electromagnetic field transmitting coil is partially overlapped with a second nested internal cavity of the second mounting assembly for mounting the electromagnetic field receiving coil, so that the electromagnetic field transmitting coil is sufficiently close to the electromagnetic field receiving coil.

12. The stage lighting framing system of endless rotation with wireless power transmission and wireless communication according to claim 11, wherein the first nested internal cavity is provided with a magnet around the electromagnetic field transmitting coil, and the second nested internal cavity is provided with a magnet around the electromagnetic field receiving coil.

13. The stage lighting framing system of endless rotation with wireless power transmission and wireless communication according to claim 1, wherein the framing and shaping mechanism includes a framing and shaping bracket rotatably connected with the rotating disc bracket, and a framing and shaping body set on the framing and shaping bracket.

14. The stage lighting framing system of endless rotation with wireless power transmission and wireless communication according to claim 1, wherein the first drive device includes a drive motor set on the fixing bracket or the rotating disc bracket, a driving wheel connected with the drive motor, and a driven wheel which is connected with the driving wheel and is provided on the framing and shaping mechanism, so that the drive motor drives the driving wheel and the driven wheel to rotate at infinite angle.

15. The stage lighting framing system of endless rotation with wireless power transmission and wireless communication according to claim 1, wherein the first drive device includes a drive motor set on the framing and shaping mechanism, a driving wheel connected with the drive motor, and a driven wheel which is connected with driving wheel and is provided on the rotating disc bracket, so that the drive motor drives the driving wheel and the driven wheel to rotate at infinite angle.

16. The stage lighting framing system of endless rotation with wireless power transmission and wireless communication according to claim 14, wherein the driving wheel and the driven wheel are 360 rotating gears.

17. The stage lighting framing system of endless rotation with wireless power transmission and wireless communication according to claim 15, wherein the driving wheel and the driven wheel are 360 rotating gears.

18. A stage lighting luminaire comprising: a light source, and a stage lighting framing system of endless rotation with wireless power transmission and wireless communication according to claim 1, which corresponds to the light source.

19. The stage lighting luminaire according to claim 18, further comprising: a control panel for controlling the light source and the stage lighting framing system of endless rotation.

Description

BRIEF DESCRIPTION OF DRAWINGS

(1) FIG. 1 is an exploded view of the present invention.

(2) FIG. 2 is a schematic structural view of a fixing bracket.

(3) FIG. 3 is a schematic structural view of a framing and shaping mechanism.

(4) FIG. 4 is a schematic structural view of a rotating disc bracket.

(5) FIG. 5 is a schematic structural view of an electromagnetic field transmitting device.

(6) FIG. 6 is a schematic structural view of a first mounting assembly.

(7) FIG. 7 is a schematic structural view of an electromagnetic field receiving device.

(8) FIG. 8a is a partial cross-sectional view of the first mounting assembly and the second mounting assembly when they are mounted cooperatively.

(9) FIG. 8b is a partial enlarged view of FIG. 8a.

(10) FIG. 9 is a schematic view of the present invention at combination state.

(11) Reference signs are as follows: 1: fixing bracket; 11: fixing member; 12: first drive device; 2: first mounting assembly; 21: first annular extending sidewall; 22: magnet; 3: electromagnetic field transmitting coil; 4: electromagnetic field transmission and wireless control circuit board; 5: electromagnetic field receiving and wireless control circuit board; 6: electromagnetic field receiving coil; 7: motor control device; 8: second mounting assembly; 81: second annular extending sidewall; 9: framing and shaping mechanism; 91: second drive device; 92: rotating gear; 10: rotating disc bracket.

DESCRIPTION OF EMBODIMENTS

(12) The present invention will be further illustrated below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. Further, it should be understood that various modifications and changes may be made to the present invention, and these equivalents also fall within the scope defined by the claims appended hereto.

(13) As shown in FIG. 1, a stage lighting framing system of endless rotation with wireless power transmission and wireless communication according to the present invention includes a rotating disc bracket 10, a fixing bracket 1 fixedly connected with the rotating disc bracket 10, a wireless power supply device, and a framing and shaping mechanism 9 rotatably connected with the rotating disc bracket 10, in which the framing and shaping mechanism 9 driven by a first drive device 12 for rotation at infinite angle is configured to intercept and shape a light beam so as to obtain different lighting effects, and is provided with a second drive device 91 for driving a framing and shaping piece thereon to function, in which the wireless power supply device includes an electromagnetic field transmitting device and an electromagnetic field receiving device for transmitting power to the second drive device 91. The stage lighting framing system of endless rotation further includes a wireless signal transmission device, and a wireless signal receiving device corresponding to the wireless signal transmission device, which is arranged on the framing and shaping mechanism 9. When the framing and shaping mechanism 9 rotates, the rotating disc bracket 10 and the fixing bracket 1 are stationary, but the electromagnetic field receiving device and the electromagnetic field transmitting device still perform power transmission. The combined structure of the present invention is shown in FIG. 9.

(14) As shown in FIG. 2, the fixing bracket includes a fixing member 11, and the electromagnetic field transmitting device set on the fixing bracket includes an electromagnetic field transmitting coil 3, a first mounting assembly 2 for mounting the electromagnetic field transmitting coil, and an electromagnetic field transmission and wireless control circuit board 4 for controlling the transmitting power of the electromagnetic field transmitting coil. As can be seen in conjunction with FIG. 5, the electromagnetic field transmitting coil 3 is nested inside the first mounting assembly 2 which is fixed to the fixing member. The specific structure of the first mounting assembly 2 is shown in FIG. 6.

(15) As can be seen from FIG. 3, the electromagnetic field receiving device is arranged on the framing and shaping mechanism 9 for transmitting power to the second drive device 91. The electromagnetic field receiving device includes an electromagnetic field receiving coil 6, a second mounting assembly 8 for mounting the electromagnetic field receiving coil, and an electromagnetic field receiving and wireless control circuit board 5 for converting an alternating current output from electromagnetic field receiving coil into a direct current. As can be seen in connection with FIG. 7, the electromagnetic field receiving coil 6 is nested inside the second mounting assembly 8 which is fixed on the framing and shaping mechanism 9. Both the first mounting assembly 2 and the second mounting assembly 8 may be in annular shape.

(16) The framing and shaping mechanism 9 further includes a framing and shaping bracket rotatably connected with the rotating disc bracket 10, and a framing and shaping body set on the framing and shaping bracket.

(17) The first drive device 12 includes a drive motor set on the framing and shaping mechanism 9, and a driving wheel connected with the drive motor. In the present embodiment, the driving wheel is a rotating gear 92. The rotating disc bracket 10 is provided with a driven wheel and a slide bearing which are connected with the driving wheel. The drive motor drives the driving wheel to rotate at infinite angle, and the driving wheel drives the driven wheel to rotate so as to drive the framing and shaping bracket and the framing and shaping body on the bracket to rotate at infinite angle.

(18) As an alternative, the drive device 91 may also include a drive motor set on the fixing bracket 1 or the rotating disc bracket 10, and a driving wheel connected with the drive motor. The framing and shaping mechanism 9 is provided with a driven wheel connected with the driving wheel. The second drive motor drives the driving wheel to rotate at infinite angle, and the driving wheel drives the driven wheel to rotate so as to drive the framing and shaping bracket and the framing and shaping body on the bracket to rotate at infinite angle.

(19) All the driving wheels and driven wheels are 360 rotating gears so as to achieve rotation at infinite angle.

(20) As shown in FIG. 4, the framing and shaping body includes a light framing piece, and a gear set for driving the light framing piece (the light framing piece and the gear set are not marked, but they can be clearly seen from FIG. 4). The motive power of the gear set may be from the drive motor of the framing and shaping body or the drive motor on the framing and shaping bracket. The motor drives the gear to rotate, so that the light framing piece achieves rotation to frame the light beams.

(21) Preferably, as shown in FIG. 3, the framing and shaping mechanism 9 is provided with a motor control device 7 which is in signal connection with the second drive device 91 and the wireless signal receiving device respectively, and is electrically connected with the electromagnetic field receiving device. The motor control device 7 is preferably a microcontroller.

(22) Preferably, the number of wireless signal transmission devices and wireless signal receiving devices may be more than one. The wireless signal transmission device is preferably set on the fixing bracket, and can be adjusted according to actual needs. The wireless signal transmission device and the wireless signal receiving device may be wireless communication equipment such as Bluetooth, a wireless router, and an antenna.

(23) Two-way communication can be achieved between the wireless signal transmission device and the wireless signal receiving device, and the motor control device 7 can send power supply information via the wireless signal transmission device and the wireless signal receiving device. Therefore, the motor control device 7 can adjust the power based on actual conditions or external control to avoid excessive or too small power supply.

(24) Preferably, the wireless signal transmission device and the wireless signal receiving device are provided with a micro controller unit (MCU).

(25) The wireless signal transmission device can only individually match the wireless signal receiving device, without affecting the framing and shaping mechanism 9 in the other lighting devices, by means of setting a specific transmission frequency or transmission key by the micro controller unit (MCU).

(26) Preferably, the electromagnetic field receiving device and the electromagnetic field transmitting device perform wireless power transmission by means of magnetic resonance or electromagnetic induction.

(27) The electromagnetic field transmitting device further includes a power control circuit and a filter. After entering the electromagnetic field transmitting device, an external current passes through an oscillator, the power control circuit, the filter, and the electromagnetic field transmitting coil 3 in sequence, so that the electromagnetic field transmitting coil 3 generates a strong varying magnetic field, and the electromagnetic field receiving coil 6 generates an alternating current by electromagnetic induction. The oscillator, the power control circuit and the filter are integrated in the electromagnetic field transmission and wireless control circuit board 4. The electromagnetic field receiving device includes an electromagnetic field receiving and wireless control circuit board 5 for converting a strong electromagnetic field, received from the electromagnetic field receiving coil 6, into a direct current and an electromagnetic field receiving coil 6. The electromagnetic field receiving and wireless control circuit board 5 is further provided with a rectifier.

(28) Preferably, the wireless signal transmission device includes a wireless controller and a transmitting antenna A. Both of the transmitting antenna A and the wireless controller can be arranged on the electromagnetic field transmission and wireless control circuit board 4. Alternatively, the transmitting antenna A is arranged on the first mounting assembly 2, and the wireless controller is arranged on the electromagnetic field transmission and wireless control circuit board 4.

(29) Preferably, the wireless signal receiving device includes a wireless controller and a receiving antenna B. Both of the receiving antenna B and the wireless controller can be arranged on the electromagnetic field receiving and wireless control circuit board 5.

(30) Alternatively, the receiving antenna Bis arranged on the second mounting assembly 8, and the wireless controller is arranged on the electromagnetic field receiving and wireless control circuit board 5.

(31) As shown in FIG. 8a and FIG. 8b, when the transmitting antenna A and the receiving antenna B are provided on the first mounting assembly 2 of the electromagnetic field transmitting coil and on the second mounting assembly 8 of the electromagnetic field receiving coil respectively, the transmitting antenna A and the receiving antenna Bare in annular shape, their central axes are coincident, and the central axes of the annular antennas will remain coincident during the rotation at infinite angle.

(32) In order to effectively prevent signal crosstalk, the first mounting assembly 2 is provided with a first annular extending sidewall 21 on which the transmitting antenna A is arranged, the second mounting assembly 8 is provided with a second annular extending sidewall 81 on which the receiving antenna B is arranged, and the two antennas are opposingly set when the first mounting assembly 2 and the second mounting assembly 8 are mounted cooperatively.

(33) Furthermore, a first nested internal cavity of the first mounting assembly 2 for mounting the electromagnetic field transmitting coil 3 is partially overlapped with a second nested internal cavity of the second mounting assembly 8 for mounting the electromagnetic field receiving coil 6, so that the electromagnetic field transmitting coil 3 is sufficiently close to the electromagnetic field receiving coil 6.

(34) In order to further reduce the interference of electromagnetic field on other equipment, the first nested internal cavity is provided with a magnet 22 around the electromagnetic field transmitting coil 3, and the second nested internal cavity is provided with a magnet 22 around the electromagnetic field receiving coil 6.

(35) The present invention further relates to a stage lighting luminaire including a light source, and an above-mentioned stage lighting framing system of endless rotation with wireless power transmission and wireless communication, which corresponds to the light source. When a light beam emitted by the light source passes through a hollow hole of the framing and shaping mechanism 9, the framing and shaping mechanism 9 can shape the light beam while rotating, and the rotation angle is not limited, so that a wider variety of lighting shapes and better lighting effects can be achieved.

(36) Preferably, the stage lighting luminaire further includes a control panel for controlling the light source and the stage lighting framing system of endless rotation.

(37) Obviously, the above embodiments of the present invention are merely examples for clear illustration, and are not intended to limit the implementations of the present invention. For those of ordinary skill in the art, modifications or changes can be made on the basis of the above description. There is no need and no way to exhaust all implementations. Any modification, equivalent substitution, improvement, or the like within the spirit and principle of the present invention will fall within the scope of the claims of the present invention