Cloud-based multi-channel stage light adjustment system technical field

The present patent application relates to a stage control, and more particularly, to a cloud-based multi-channel stage light adjustment system.

The existing stage lighting systems typically include a plurality of lighting units. In order to achieve the predetermined lighting effects, each lighting unit need to be regulated. The existing regulation methods are mostly based on manual adjustment, which result in a low efficiency. But since stage lighting system is a systematic engineering, each set of lighting units can affect each other, so it is difficult for engineers to predict what the effect will be of the adjusted lighting unit on the other sets of lighting units. Therefore it can only be estimated by experience, furthermore the engineers cannot predict whether or not some set of the adjusted lighting units can interfere with other stage systems, for example, the sound system.

Secondly, since a serious interference exists on live performance of stage, it should be considered that how to ensure each lighting unit can receive an instruction from the cloud-based control center accurately.

The purpose of the present patent application is achieved by the following technical solution.

According to the embodiment of the present patent application, it provides a cloud-based multi-channel stage light adjustment system. The system includes a cloud-based control center, an encoding and modulation unit, a ZIGBEE transceiving unit, a proximal end lighting regulation unit and stage lighting sets. Wherein:

The cloud-based control center is configured to generate a stage lighting regulation instruction and a scenarios control instruction.

The encoding and modulation unit is configured to encode and modulate the stage lighting regulation instruction and the scenarios control instruction, and transmits the encoded and modulated data to the stage lighting sets with the ZIGBEE transceiving unit.

The ZIGBEE transceiver unit is connected to the cloud-based control center, and transfers the lighting regulation instruction and the scenarios control instruction to the stage lighting sets, according to a high-speed wireless transmission protocol. And

The proximal end lighting regulation unit is connected to the cloud-based control center, and corresponds to the stage lighting sets. The proximal end lighting regulation unit is configured to receive the lighting regulation instruction and the scenarios control instruction so as to drive the stage lighting sets.

According to the embodiment of the present patent application, the cloud-based control center includes an interference reduce and light adjustment unit. The interference reduce and light adjustment unit includes a plurality of channel sets. Each of the channel sets corresponds to one of the stage lighting sets and includes a plurality of channels. The channel corresponds to the lighting regulation parameter. The interference reduce and light adjustment unit is configured to regulate the value of the lighting regulation parameter of the channel. The interference reduce and light adjustment unit determines whether or not the channel sets are multi-selected to regulate the lighting regulation parameters of the multi-selected channel sets synchronously or regulate the lighting regulation parameters of each channel set respectively.

According to the embodiment of the present patent application, the cloud-based control center also includes a scenario generation unit. The scenario generation unit is configured to determine whether at least one scenarios parameter corresponding to a plurality of scenarios points exists to decide to wait for the generated scenarios parameter to be sent the scenarios points or store the regulated lighting regulation parameters to the scenarios points. Furthermore, the scenario generation unit can cascade the lighting regulation parameters to generate each scenarios parameter.

According to the embodiment of the present patent application, the cloud-based control center also includes an instruction switching unit. According to a lighting regulation standard protocol, the instruction switching unit switches the lighting regulation parameters and the scenarios parameters to generate a plurality of lighting regulation instructions and a plurality of the scenarios control instructions of the channel set. According to the lighting regulation standard protocol, the instruction switching unit switches the preprogrammed adjustment parameters to generate a programmed control instruction. And according to the high-speed wireless transmission protocol, the ZIGBEE transceiving unit transfers the programmed control instruction to the stage lighting sets so as to adjust the lighting effect of the stage lighting sets.

According to the embodiment of the present patent application, the interference reduce and light adjustment unit specifically includes: a data receiving unit, a micro processing unit, a pulse width modulation unit, an insulated gate driver protection unit, an insulated gate voltage adjustment unit and a filter unit. The data receiving unit receives the light adjustment signal, then transmits the signal to the micro processing unit. The pulse width modulation unit is electrically connected to the output of the micro processing unit. The output of the micro processing unit is electrically connected to the input of the insulated gate driver protection unit. The output of the insulated gate driver protection unit is electrically connected to the input of the insulated gate voltage adjustment unit. The insulated gate voltage adjustment unit is electrically connected to the input of the filter unit. The output of the filter unit is electrically connected to the stage lighting sets.

The instruction verification unit is configured to perform the accuracy detection of the signal from a second ZIGBEE transceiving unit. If difference between the signal and the control signal which is sent previously exists, the instruction verification unit can send an error signal to the cloud-based control center.

The cloud-based multi-channel stage light adjustment system of the present patent application includes a cloud-based control center, an encoding and modulation unit, a ZIGBEE transceiving unit, a proximal end lighting regulation unit and stage lighting sets. The cloud-based control center also includes an interference reduce and light adjustment unit, a scenarios generation unit and an instruction switching unit to achieve multi-channel control of stage light adjustment and greatly reduces interference with other stage system. While the cloud-based stage multi-channel light adjustment system adopts the multi-point transceiving model based on ZIGBEE to improve the transmission efficiency of regulation.

By reading the following detailed description of preferred embodiments below, a variety of other advantages and benefits will become clear to those of ordinary skill in the art. The drawings are only for illustrating the purpose of the preferred embodiment, and should not be considered as a limitation on the present patent application. And throughout the drawings, like parts may be referred to by like numerals, in which:

FIG. 1 illustrates a structure schematic of a cloud-base multi-channel stage light adjustment system, according to an embodiment of the present patent application;

FIG. 2 illustrates a structure schematic of a cloud-based control center, according to an embodiment of the present patent application;

FIG. 3 illustrates a structure schematic of an interference reduce and light adjustment unit, according to an embodiment of the present patent application;

FIG. 4 illustrates a schematic diagram of the circuit component of the insulated gate driver protection unit, according to an embodiment of the present patent application;

FIG. 5 illustrates a schematic diagram of the circuit component of the insulated gate voltage adjustment unit, according to an embodiment of the present patent application; and

FIG. 6 illustrates a schematic diagram of the proximal end lighting regulation unit, according to an embodiment of the present patent application.

Below with reference to the drawings, the exemplary embodiment of the present disclosure is described in more detail. Although the drawings show the exemplary embodiments of the present disclosure, However, it should be considered that the present disclosure may be implemented in various forms and should not be limited to the embodiments illustrated herein. Rather, these embodiments are enable person to understand the present disclosure more thoroughly, and can completely convey the scope of the disclosure to those skilled in the art.

According to the embodiment of the present patent application, it provides a cloud-based multi-channel stage light adjustment system. As shown in FIG. 1 , the system includes a cloud-based control center, an encoding and modulation unit, a ZIGBEE transceiving unit, a storage unit, a display unit, an interactive unit, an interface unit, a preprogrammed adjustment unit, a proximal end lighting regulation unit and stage lighting sets. Wherein,

The cloud-based control center is configured to generate a stage lighting regulation instruction and a scenarios control instruction.

The encoding and modulation unit is configured to encode and modulate the stage lighting regulation instruction and the scenarios control instruction, and transmits the encoded and modulated data to the stage lighting sets with the ZIGBEE transceiving unit.

The ZIGBEE transceiving unit is connected to the cloud-based control center, and transfers the stage lighting regulation instruction and the scenarios control instruction to the stage lighting sets, according to a high-speed wireless transmission protocol.

The storage unit is connected to the cloud-based control center and is configured to store lighting regulation parameters and scenarios parameters.

The display unit is connected to the cloud-based control center, and is configured to display the lighting regulation parameters of the lighting regulation instruction and the scenarios parameters of the scenarios control instruction.

The interactive unit is connected to the cloud-based control center, and is configured to adjust the execution time of the scenarios parameters to finish adding the scenarios parameters to the preprogrammed adjustment parameters so that the scenarios generation unit of the cloud-based control center can switch between the storage state and cut-in state of the scenarios

The interface unit is connected to the cloud-based control center, and is configured to update the control program of the cloud-based control center and correct the control parameters of the cloud-based control center.

The preprogrammed adjustment unit is connected to the cloud-based control center, and is configured to cascade multi-set scenarios parameters to create various lighting converting effects. The preprogrammed adjustment unit determines whether a scenarios point stores a scenarios parameter to decide to generate a preprogrammed adjustment parameter or maintain at preprogrammed adjustment state until it stores the scenarios parameters. And

The proximal end lighting regulation unit is connected to the cloud-based control center, and corresponds to the stage lighting sets, configured to receive the lighting regulation instruction and the scenarios control instruction so as to drive the stage lighting sets.

According to the embodiment of the present patent application, as shown in FIG. 2 , the cloud-based control center specifically includes an interference reduce and light adjustment unit, a scenario generation unit and an instruction switching unit, wherein,

The interference reduce and light adjustment unit includes a plurality of channel sets. Each of the channel sets corresponds to one of the stage lighting sets and includes plurality of channels. The channels corresponds to lighting regulation parameters. The interference reduce and light adjustment unit is configured to adjust the value of the lighting regulation parameters of the channels. The interference reduce and light adjustment unit determines whether multi-channels are selected to decide regulate the lighting regulation parameters of the multi-selected channels synchronously or regulate the lighting regulation parameters of different channel sets respectively.

The scenario generation unit is configured to determine whether multiple scenarios points correspond to at least one scenarios parameter so as to decide to wait for the generated scenarios parameter to be sent to the scenarios point or store the regulated lighting regulation parameter into the scenarios point. Furthermore, the scenario generation unit cascades the lighting regulation parameters to generate each scenarios parameter.

The instruction switching unit is configured to switch the lighting regulation parameters and the scenarios parameters according to the lighting regulation standard protocol to generate a plurality of lighting regulation instructions and a plurality of scenarios regulation instructions of the channel set. The instruction switching unit is configured to switch the preprogrammed regulation parameters according to the lighting regulation standard protocol to generate one programmed control instruction. And the ZIGBEE transceiving unit transmits the programmed control instruction to the stage lighting sets according to the high-speed wireless transmission protocol so as to adjust the lighting effect of the stage lighting sets.

According to the embodiment of the present patent application, as shown in FIG. 3 , the interference reduce and light adjustment unit specifically includes: a data receiving unit, a micro processing unit, a pulse width modulation unit, an insulated gate driver protection unit, an insulated gate voltage adjustment unit and a filter unit. The data receiving unit receives the light adjustment signal, and transmits the signal to the micro processing unit. The pulse width modulation unit is electrically connected to the output of the micro processing unit. The output of the micro processing unit is electrically connected to the input of the insulated gate driver protection unit. The output of the insulated gate driver protection unit is electrically connected to the input of the insulated gate voltage adjustment unit. The insulated gate voltage adjustment unit is electrically connected to the input of the filter unit. The output of the filter unit is electrically connected to the stage lighting sets.

According to the preferred embodiment of the present patent application, as shown in FIG. 4 , the insulated gate drive protection unit includes a driving chip, a diode D 2 , a voltage regulator diode D 3 , a voltage regulator diode D 4 and a voltage regulator diode D 5 . The overcurrent protection end of the driver chip EXB841 is connected with the collector of the insulated gate in series. Resistor R 3 and diode D 2 is connected between the driving output of the driving chip and the gate of the insulated gate in series. The anode of the diode D 2 is connected with the resistor R 3 in series. One end of the resistor R 4 is electrically connected to the cathode of the diode D 2 . The other end of the resistor R 4 is electrically connected to the driving output of the driving chip. Resistor R 1 is connected between the power supply end of the driving chip and the emitter of the insulated gate in series. The voltage regulator diode D 3 and the voltage regulator diode D 4 is connected between the gate of the insulated gate and the emitter of the insulated gate in series. The cathode of the voltage regulator diode D 3 is electrically connected to the gate of the insulated gate. The anode of the voltage regulator diode D 3 is electrically connected to the anode of the voltage regulator diode D 4 . The cathode of the voltage regulator diode D 4 is electrically connected to the emitter of the insulated gate. The Resistor R 6 is connects to capacitor C 2 in parallel. And the capacitor R 6 is electrically connected between the gate of the insulated gate and the emitter of the insulated gate.

According to the embodiment of the present patent application, as shown in FIG. 5 , the insulated gate voltage regulation unit includes an insulated gate bipolar transistor V 1 , an insulated gate bipolar transistor V 2 and an insulated gate bipolar transistor V 3 . The collectors and the emitters of the insulated gate bipolar transistor V 1 , the insulated gate bipolar transistor V 2 and the insulated gate bipolar transistor V 3 are all connected with a diode D 3 , a diode D 6 and a diode D 7 . Each anode of the diode D 3 , the diode D 6 and the diode D 7 is electrically connected to each emitter of the insulated gate bipolar transistor V 1 , the insulated gate bipolar transistor V 2 and the insulated gate bipolar transistor V 3 respectively. The collector of the insulated gate bipolar transistor V 1 is connected with the cathode of the diode D 2 in series. The anode of the diode D 2 is connected to the collector of the insulated gate bipolar transistor V 2 in series. The emitter of the insulated gate bipolar transistor V 2 is connected with the emitter of the insulated gate bipolar transistor V 3 in series. The emitter of the insulated gate bipolar transistor V 1 is connected with the anode of the diode D 5 in series. The cathode of the diode D 5 is connected to the collector of the emitter of the insulated gate bipolar transistor V 2 in series.

According to the embodiment of the present patent application, the interface unit causes the scenario generation unit to switch between the scenario storage state and the scenario cut-in state, specially including:

When in the scenario storage state, the scenario generation unit determines whether a scenario parameter at the scenario point exists. When a scenario parameter exists, the scenario generation unit maintains in the scenario storage state. When a scenario parameter does not exist, it stores the regulated lighting regulation parameters of the channel set to the scenario point.

When in the scenario cut-in state, the scenario generation unit determines whether there exists a scenario parameter at the scenario point. When there exists a scenario parameter, the scenario generation unit cuts in the scenario parameter from the storage unit to the scenario point. When there does not exit a scenario parameter, the scenario generation unit maintains in the scenario cut-in state until there exists a scenario parameter.

According to the embodiment of the present patent application, the preprogrammed regulation unit determines whether the remaining operating time of the preprogrammed regulation parameter is more than a predetermined time. When more than the predetermined time, the preprogrammed regulation unit adds the scenario parameter to the preprogrammed regulation parameter. When less than the predetermined time, the preprogrammed regulation unit maintains in the preprogrammed adjustment state.

According to the embodiment of the present patent application, as shown in FIG. 6 , the proximal end lighting regulation unit includes: a second ZIGBEE transceiving unit, an instruction verification unit, a distributed ZIGBEE control interface, a decoding demodulator unit, a feedback unit and a correction adjustment unit. The instruction verification unit is connected to the second ZIGBEE transceiving unit and the cloud-base control center respectively.

The decoding demodulation unit is configured to decode and demodulate the control signal of the distributed ZIGBEE control interface, then transmits the decoded and demodulated signal to the correction adjustment unit and the feedback unit respectively.

The correction adjustment unit processes data and drives LED light sets based on the received signal which is corrected by simulation.

The feedback unit is configured to return the decoded and demodulated signal to the second ZIGBEE transceiving unit with the distributed ZIGBEE control interface.

The instruction verification unit is configured to carry out the accuracy detection of the returned signal from the second ZIGBEE transceiving unit. When the instruction verification unit detects the difference with the control signal which is sent previously, an error signal is sent to the cloud-based control center.

The above is only the preferred embodiment of the present patent application, but the scope of the present patent application is not limited therein, and within the scope of the present patent application disclosed in the present patent application, all the changes and replacements which any skilled in the art can be easily think of should fall within the scope of the present patent application. Accordingly, the scope of the present patent applications is defined by reference to the claims.