Stage lighting control circuit

Abstract

The utility model relates to the technical field of lighting control, and discloses a stage lighting control circuit comprising a power supply module used for supplying power; the light control module is used for intermittently providing a driving signal; the first path module is used for controlling a transmission path of a signal; the direct-current lamp module is used for performing high-frequency flickering illumination and low-frequency flickering illumination; the state detection module is used for detecting whether the direct current lamp module performs high-frequency flickering illumination or low-frequency flickering illumination work; the second access module is used for transmitting the driving signal to the alternating-current lamp module when the direct-current lamp module does not perform high-frequency flickering illumination or low-frequency flickering illumination; and the alternating current lamp module is used for performing high-frequency flickering illumination or low-frequency flickering illumination. The stage lighting control circuit does not need a redundant driving device, reduces the cost, achieves the alternate control of an AC lamp and a DC lamp, and improves the control intelligence of the circuit.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of light control, specifically a stage light control circuit. BACKGROUND

[0002] With the progress of lighting technology, light art has become a main means in stage performance, the stage lamp in the prior art has alternating current power supply light equipment and direct current power supply light equipment, but the alternating current power supply light equipment and the direct current power supply light equipment need different driving control means due to different power supply modes, lead to two different driving equipment, increase circuit cost, and cannot control alternating current power supply light equipment and direct current power supply light equipment simultaneously to alternate illumination, the control intelligence degree of circuit is lower, therefore, there is to be improved. SUMMARY

[0003] The utility model embodiment provides a stage light control circuit to solve the problem in the above background art.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A stage light control circuit, comprising: a power module, a light control module, a first channel module, a direct current lamp module, a state detection module, a second channel module and an alternating current lamp module;

[0006] The power module is used for connecting alternating current energy and carrying out voltage transformation to the alternating current energy, outputting first electric energy, carrying out rectification filtering to the first electric energy and outputting second electric energy;

[0007] The light control module is connected with the power module, is used for carrying out voltage stabilization to the second electric energy and intermittently outputting first drive signal and second drive signal;

[0008] The first channel module is connected with the power module, the state detection module and the light control module, is used for receiving the second electric energy and transmitting the first drive signal or the second drive signal to the direct current lamp module, stops transmitting the first drive signal when receiving the first control signal outputted by the state detection module, stops transmitting the second drive signal when receiving the second control signal outputted by the state detection module;

[0009] The direct current lamp module is connected with the power module and the first channel module, is used for receiving the second electric energy and carrying out high-frequency flicker illumination work when receiving the first drive signal, receiving the second electric energy and carrying out low-frequency flicker illumination work when receiving the second drive signal;

[0010] The state detection module is connected with the direct current lamp module, and is configured to output a first control signal when the direct current lamp module does not perform high-frequency flickering lighting work, and output a second control signal when the direct current lamp module does not perform low-frequency flickering lighting work;

[0011] The second channel module is connected with the state detection module, and is configured to transmit a first driving signal to the alternating current lamp module when the first control signal is received, and transmit a second driving signal to the alternating current lamp module when the second control signal is received;

[0012] The alternating current lamp module is connected with the power supply module and the second channel module, and is configured to receive the first electric energy and perform high-frequency flickering lighting work when the first driving signal is received, and receive the first electric energy and perform low-frequency flickering lighting work when the second driving signal is received.

[0013] As a further scheme of the utility model: the power supply module includes a power supply interface, a first transformer, a first rectifier and a third capacitor; the light control module includes a first resistor, a first diode, a second resistor, a first potentiometer, a second capacitor, a third resistor, a first capacitor, a first controller, a fourth resistor and a fifth resistor;

[0014] Preferably, the first end and the second end of the power supply interface are connected with the first end of the primary side of the first transformer and the second end of the primary side of the first transformer respectively, the first end of the secondary side of the first transformer is connected with the first end of the first rectifier, the second end of the secondary side of the first transformer is connected with the second end of the first rectifier, the third end of the first rectifier is connected with the first end of the third capacitor and the cathode of the first diode, one end of the first capacitor and the sixteenth end of the first controller through the first resistor, the fourth end of the first rectifier is connected with the second end of the third capacitor, the anode of the first diode, the other end of the first capacitor, the twelfth end of the first controller, the eighth end of the first controller and the ground end, the tenth end of the first controller is connected with one end of the first potentiometer through the second resistor, the other end of the first potentiometer and the slide end are both connected with one end of the third resistor and the ninth end of the first controller through the second capacitor, the other end of the third resistor is connected with the eleventh end of the first controller, the seventh end and the fifth end of the first controller are connected with the first end of the fourth resistor and the first end of the fifth resistor respectively, and the second end of the fourth resistor and the second end of the fifth resistor are both connected with the first channel module and the second channel module.

[0015] As a further scheme of the utility model: the first channel module includes a sixth resistor, a seventh resistor, a first analog switch, a first switch tube and a second switch tube;

[0016] Preferably, the fifth end of the first analog switch is connected to the collector of the first switch tube and is connected to the first end of the third capacitor and one end of the seventh resistor through the sixth resistor, the other end of the seventh resistor is connected to the collector of the second switch tube and the sixth end of the first controller, the third end and the eighth end of the first analog switch are connected to the second end of the fourth resistor and the second end of the fifth resistor respectively, the fourth end and the ninth end of the first analog switch are connected to the direct current lamp module, the emitter of the first switch tube is connected to the emitter of the second switch tube and the second end of the third capacitor, and the base of the first switch tube and the base of the second switch tube are connected to the state detection module.

[0017] As a further scheme of the utility model: the direct current lamp module includes a first direct current lamp interface, a second direct current lamp interface, a first thyristor and a second thyristor;

[0018] Preferably, the first end of the first direct current lamp interface is connected to the first end of the second direct current lamp interface and the first end of the third capacitor, the second end of the first direct current lamp interface is connected to the anode of the first thyristor, the second end of the second direct current lamp interface is connected to the anode of the second thyristor, the cathode of the first thyristor and the cathode of the second thyristor are connected to the state detection module, the control end of the first thyristor is connected to the fourth end of the first analog switch, and the control end of the second thyristor is connected to the ninth end of the first analog switch.

[0019] As a further scheme of the utility model: the second path module includes a second analog switch; the alternating current lamp module includes a first alternating current lamp interface, a second alternating current lamp interface, a third thyristor and a fourth thyristor;

[0020] Preferably, the first end and the fourteenth end of the second analog switch are connected to the second end of the fourth resistor and the second end of the fifth resistor respectively, the second end and the eleventh end of the second analog switch are connected to the control end of the third thyristor and the control end of the fourth thyristor respectively, one end of the third thyristor is connected to the first end of the first alternating current lamp interface, one end of the fourth thyristor is connected to the first end of the first alternating current lamp interface, the other end of the third thyristor is connected to the other end of the fourth thyristor and the second end of the secondary side of the first transformer, the second end of the first alternating current lamp interface is connected to the second end of the second alternating current lamp interface and the first end of the secondary side of the first transformer, the thirteenth end of the second analog switch is connected to the base of the first switch tube, and the twelfth end of the second analog switch is connected to the base of the second switch tube.

[0021] As a further scheme of the utility model: the state detection module includes a first power supply, an eighth resistor, a ninth resistor, a first optocoupler and a second optocoupler;

[0022] Preferably, the first end of the first optocoupler is connected to the cathode of the first thyristor, the second end of the first optocoupler is connected to the second end of the second optocoupler and the ground end, the first end of the second optocoupler is connected to the cathode of the second thyristor, the third end of the first optocoupler is connected to the base of the first switch tube and is connected to one end of the ninth resistor through the eighth resistor, the other end of the ninth resistor is connected to the base of the second switch tube and the third end of the second optocoupler, and the fourth end of the first optocoupler and the fourth end of the second optocoupler are both grounded.

[0023] The stage light control circuit can control the power module to provide direct current for the direct current lamp module through the light control module and the first channel module, and control the direct current lamp module to perform high-frequency flickering lighting and low-frequency flickering lighting work, and the state detection module detects whether the direct current lamp module is connected for lighting, and when the direct current lamp module does not perform high-frequency flickering lighting work, the second channel module is triggered to control the alternating current lamp module to receive alternating current provided by the power module and perform high-frequency flickering lighting work, and when the direct current lamp module does not perform low-frequency flickering lighting work, the alternating current lamp module performs low-frequency flickering lighting work, without the need for additional driving devices, thereby reducing cost, realizing alternating control of the alternating current lamp and the direct current lamp, and improving the control intelligence of the circuit. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A principle block diagram of a stage light control circuit is provided for the utility model example.

[0025] Figure 2 A circuit diagram of a stage light control circuit is provided for the utility model example.

[0026] Figure 3 A connection circuit diagram of a state detection module is provided for the utility model example. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] In one embodiment, referring to Figure 1 A stage light control circuit, comprising: a power module 1, a light control module 2, a first channel module 3, a direct current lamp module 4, a state detection module 5, a second channel module 6 and an alternating current lamp module 7.

[0029] Specifically, the power module 1 is used for accessing and transforming AC power, outputting first power, rectifying and filtering the first power and outputting second power;

[0030] The light control module 2 is connected with the power module 1, and is used for stabilizing the second power and intermittently outputting first and second driving signals;

[0031] The first channel module 3 is connected with the power module 1, the state detection module 5 and the light control module 2, and is used for receiving the second power and transmitting the first or second driving signal to the DC lamp module 4, stopping transmission of the first driving signal when receiving the first control signal output by the state detection module 5, and stopping transmission of the second driving signal when receiving the second control signal output by the state detection module 5;

[0032] The DC lamp module 4 is connected with the power module 1 and the first channel module 3, and is used for receiving the second power and performing high-frequency flickering lighting work when receiving the first driving signal, and receiving the second power and performing low-frequency flickering lighting work when receiving the second driving signal;

[0033] The state detection module 5 is connected with the DC lamp module 4, and is used for outputting the first control signal when the DC lamp module 4 does not perform high-frequency flickering lighting work, and outputting the second control signal when the DC lamp module 4 does not perform low-frequency flickering lighting work;

[0034] The second channel module 6 is connected with the state detection module 5, and is used for transmitting the first driving signal to the AC lamp module 7 when receiving the first control signal, and transmitting the second driving signal to the AC lamp module 7 when receiving the second control signal;

[0035] The AC lamp module 7 is connected with the power module 1 and the second channel module 6, and is used for receiving the first power and performing high-frequency flickering lighting work when receiving the first driving signal, and receiving the first power and performing low-frequency flickering lighting work when receiving the second driving signal.

[0036] In a specific embodiment, the power module 1 can adopt a power circuit composed of a power interface, a transformer, a rectifier, etc., can be connected to AC power and perform voltage transformation, rectification and filtering on AC power; the light control module 2 can adopt a light control circuit composed of a resistor, a capacitor, a counting distributor, etc., can perform oscillation work and generate a driving signal; the first path module 3 can adopt a first path circuit composed of an analog switch, a resistor and a triode, can transmit the signal provided by the light control module 2 to the DC lamp module 4; the DC lamp module 4 can adopt a DC lamp circuit composed of a thyristor and a DC lamp interface, can be connected with an LED and connected to DC power and perform high-frequency flickering lighting work or low-frequency flickering lighting work; the state detection module 5 can adopt a state detection circuit composed of a photoelectric coupler, a resistor and a constant voltage source, can detect the working state of the DC lamp module 4, and control the signal transmission state of the first path module 3 and the second path module 6; the second path module 6 can adopt a second path circuit composed of an analog switch, can transmit the input signal to the AC lamp module 7; the AC lamp module 7 can adopt an AC lamp circuit composed of a thyristor and an AC lamp interface, can be connected with a lighting lamp and connected to AC power and perform high-frequency flickering lighting work or low-frequency flickering lighting work.

[0037] In another embodiment, please refer to Figure 1 , Figure 2 and Figure 3 , the power module 1 includes a power interface, a first transformer B1, a first rectifier T1 and a third capacitor C3; the light control module 2 includes a first resistor R1, a first diode D1, a second resistor R2, a first potentiometer RP1, a second capacitor C2, a third resistor R3, a first capacitor C1, a first controller IC1, a fourth resistor R4 and a fifth resistor R5;

[0038] Specifically, the first end and the second end of the power interface are connected to the first end of the primary side of the first transformer B1 and the second end of the primary side of the first transformer B1 respectively, the first end of the secondary side of the first transformer B1 is connected to the first end of the first rectifier T1, the second end of the secondary side of the first transformer B1 is connected to the second end of the first rectifier T1, the third end of the first rectifier T1 is connected to the first end of the third capacitor C3 and the cathode of the first diode D1, one end of the first capacitor C1 and the sixteenth end of the first controller IC1 through the first resistor R1, the fourth end of the first rectifier T1 is connected to the second end of the third capacitor C3, the anode of the first diode D1, the other end of the first capacitor C1, the twelfth end of the first controller IC1, the eighth end of the first controller IC1 and the ground, the tenth end of the first controller IC1 is connected to one end of the first potentiometer RP1 through the second resistor R2, the other end of the first potentiometer RP1 and the wiper end are both connected to one end of the third resistor R3 and the ninth end of the first controller IC1 through the second capacitor C2, the other end of the third resistor R3 is connected to the eleventh end of the first controller IC1, the seventh end and the fifth end of the first controller IC1 are connected to the first end of the fourth resistor R4 and the first end of the fifth resistor R5 respectively, and the second end of the fourth resistor R4 and the second end of the fifth resistor R5 are both connected to the first channel module 3 and the second channel module 6.

[0039] In specific embodiments, the first controller IC1 can be selected from a 14-stage binary counter frequency divider integrated chip; the third resistor R3, the second capacitor C2, the first potentiometer RP1 and the second resistor R2 cooperate with the internal circuit of the first controller IC1 to form a multivibrator.

[0040] Further, the first channel module 3 includes a sixth resistor R6, a seventh resistor R7, a first analog switch IC2, a first switch tube V1 and a second switch tube V2.

[0041] Specifically, the fifth end of the first analog switch IC2 is connected to the collector of the first switch tube V1 and connected to the first end of the third capacitor C3 and one end of the seventh resistor R7 through the sixth resistor R6, the other end of the seventh resistor R7 is connected to the collector of the second switch tube V2 and the sixth end of the first controller IC1, the third end and the eighth end of the first analog switch IC2 are connected to the second end of the fourth resistor R4 and the second end of the fifth resistor R5 respectively, the fourth end and the ninth end of the first analog switch IC2 are connected to the direct current lamp module 4, the emitter of the first switch tube V1 is connected to the emitter of the second switch tube V2 and the second end of the third capacitor C3, and the base of the first switch tube V1 and the base of the second switch tube V2 are both connected to the state detection module 5.

[0042] In specific embodiments, the first analog switch IC2 can be selected from CD4066; the first switch tube V1 and the second switch tube V2 can both be selected from NPN type triodes.

[0043] Further, the direct current lamp module 4 comprises a first direct current lamp interface, a second direct current lamp interface, a first thyristor S1 and a second thyristor S2;

[0044] Specifically, the first end of the first direct current lamp interface is connected with the first end of the second direct current lamp interface and the first end of the third capacitor C3, the second end of the first direct current lamp interface is connected with the anode of the first thyristor S1, the second end of the second direct current lamp interface is connected with the anode of the second thyristor S2, the cathode of the first thyristor S1 and the cathode of the second thyristor S2 are connected with the state detection module 5, the control end of the first thyristor S1 is connected with the fourth end of the first analog switch IC2, and the control end of the second thyristor S2 is connected with the ninth end of the first analog switch IC2.

[0045] In specific embodiments, the first direct current lamp interface and the second direct current lamp interface can be connected with LED lamps, and the first thyristor S1 and the second thyristor S2 can be single-directional thyristors.

[0046] Further, the second path module 6 comprises a second analog switch IC3, and the alternating current lamp module 7 comprises a first alternating current lamp interface, a second alternating current lamp interface, a third thyristor S3 and a fourth thyristor S4;

[0047] Specifically, the first end and the fourteenth end of the second analog switch IC3 are respectively connected with the second end of the fourth resistor R4 and the second end of the fifth resistor R5, the second end and the eleventh end of the second analog switch IC3 are respectively connected with the control end of the third thyristor S3 and the control end of the fourth thyristor S4, one end of the third thyristor S3 is connected with the first end of the first alternating current lamp interface, one end of the fourth thyristor S4 is connected with the first end of the first alternating current lamp interface, the other end of the third thyristor S3 is connected with the other end of the fourth thyristor S4 and the second end of the secondary side of the first transformer B1, the second end of the first alternating current lamp interface is connected with the second end of the second alternating current lamp interface and the first end of the secondary side of the first transformer B1, the thirteenth end of the second analog switch IC3 is connected with the base of the first switch tube V1, and the twelfth end of the second analog switch IC3 is connected with the base of the second switch tube V2.

[0048] In specific embodiments, the second analog switch IC3 can be CD4066, the first alternating current lamp interface and the second alternating current lamp interface are connected with lighting lamps connected with alternating current, and the third thyristor S3 and the fourth thyristor S4 can be bidirectional thyristors.

[0049] Further, the state detection module 5 comprises a first power supply VCC1, an eighth resistor R8, a ninth resistor R9, a first optocoupler J1 and a second optocoupler J2;

[0050] Specifically, the first end of the first optocoupler J1 is connected to the cathode of the first thyristor S1, the second end of the first optocoupler J1 is connected to the second end and the ground end of the second optocoupler J2, the first end of the second optocoupler J2 is connected to the cathode of the second thyristor S2, the third end of the first optocoupler J1 is connected to the base of the first switch tube V1 and is connected to one end of the ninth resistor R9 through the eighth resistor R8, the other end of the ninth resistor R9 is connected to the base of the second switch tube V2 and the third end of the second optocoupler J2, and the fourth end of the first optocoupler J1 and the fourth end of the second optocoupler J2 are both grounded.

[0051] In specific embodiments, the first optocoupler J1 and the second optocoupler J2 can both be PC817 optocouplers.

[0052] In the stage light control circuit of the embodiment, AC power is connected through the power interface, the first transformer B1 performs voltage conversion and outputs first power, the first power is rectified and filtered by the first rectifier T1 and the third capacitor C3 to output second power, the first resistor R1 and the first diode D1 perform voltage stabilization, the first controller IC1 cooperates with the third resistor R3, the second capacitor C2, the first potentiometer RP1 and the second resistor R2 to perform oscillation work, and intermittently outputs the first drive signal and the second drive signal through the seventh end and the fifth end of the first controller IC1 respectively, the first drive signal and the second drive signal are transmitted to the control end of the first thyristor S1 and the control end of the second thyristor S2 through the first analog switch IC2, thereby triggering the LED connected to the first DC lamp interface and the LED connected to the second DC lamp interface to perform high-frequency flickering lighting work and low-frequency flickering lighting work respectively, and at the same time, when the LED connected to the first DC lamp interface does not work, the first optocoupler J1 is cut off, at this time, the first power VCC1 triggers the first switch tube V1 to conduct through the eighth resistor R8, and controls the first end and the second end of the second analog switch IC3 to conduct, the first drive signal is transmitted to the third thyristor S3 through the second analog switch IC3, the third thyristor S3 controls the lighting lamp connected to the first AC lamp interface to receive the second power and perform high-frequency flickering lighting work, and similarly, when the LED connected to the second DC lamp interface does not work, the second optocoupler J2 is cut off, the second drive signal is transmitted to the fourth thyristor S4 through the second analog switch IC3, and the lighting lamp connected to the second AC lamp interface performs low-frequency flickering lighting work.

[0053] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0054] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A stage light control circuit, characterized by, The application relates to a lamp light control device, which comprises a power module, a light control module, a first channel module, a direct current lamp module, a state detection module, a second channel module and an alternating current lamp module. The power module is used for connecting to alternating current power and performing voltage transformation on the alternating current power, outputting first electric energy, performing rectification filtering on the first electric energy and outputting second electric energy. The light control module is connected with the power module and is used for performing voltage stabilization on the second electric energy and intermittently outputting first driving signals and second driving signals. The first channel module is connected with the power module, the state detection module and the light control module, is used for receiving the second electric energy and transmitting the first driving signals or the second driving signals to the direct current lamp module, stops transmitting the first driving signals when receiving the first control signals output by the state detection module, and stops transmitting the second driving signals when receiving the second control signals output by the state detection module. The direct current lamp module is connected with the power module and the first channel module, is used for receiving the second electric energy and performing high-frequency flashing illumination work when receiving the first driving signals, and is used for receiving the second electric energy and performing low-frequency flashing illumination work when receiving the second driving signals. The state detection module is connected with the direct current lamp module, is used for outputting the first control signals when the direct current lamp module does not perform high-frequency flashing illumination work, and is used for outputting the second control signals when the direct current lamp module does not perform low-frequency flashing illumination work. The second channel module is connected with the state detection module, is used for transmitting the first driving signals to the alternating current lamp module when receiving the first control signals, and is used for transmitting the second driving signals to the alternating current lamp module when receiving the second control signals. The alternating current lamp module is connected with the power module and the second channel module, is used for receiving the first electric energy and performing high-frequency flashing illumination work when receiving the first driving signals, and is used for receiving the first electric energy and performing low-frequency flashing illumination work when receiving the second driving signals. The power module comprises a power interface, a first transformer, a first rectifier and a third capacitor; the light control module comprises a first resistor, a first diode, a second resistor, a first potentiometer, a second capacitor, a third resistor, a first capacitor, a first controller, a fourth resistor and a fifth resistor.

2. A stage light control circuit according to claim 1, characterised in that, ​ The first end and the second end of the power interface are connected to the first end of the primary side of the first transformer and the second end of the primary side of the first transformer respectively, the first end of the secondary side of the first transformer is connected to the first end of the first rectifier, the second end of the secondary side of the first transformer is connected to the second end of the first rectifier, the third end of the first rectifier is connected to the first end of the third capacitor and the cathode of the first diode, one end of the first capacitor and the sixteenth end of the first controller through the first resistor, the fourth end of the first rectifier is connected to the second end of the third capacitor, the anode of the first diode, the other end of the first capacitor, the twelfth end of the first controller, the eighth end of the first controller and the ground end, the tenth end of the first controller is connected to one end of the first potentiometer through the second resistor, the other end of the first potentiometer and the wiper end are connected to one end of the third resistor and the ninth end of the first controller through the second capacitor, the other end of the third resistor is connected to the eleventh end of the first controller, the seventh end and the fifth end of the first controller are connected to the first end of the fourth resistor and the first end of the fifth resistor respectively, and the second end of the fourth resistor and the second end of the fifth resistor are connected to the first path module and the second path module.

3. A stage light control circuit according to claim 2, characterised in that, The first path module comprises a sixth resistor, a seventh resistor, a first analog switch, a first switch tube and a second switch tube. The fifth end of the first analog switch is connected to the collector of the first switch tube and the first end of the third capacitor and one end of the seventh resistor through the sixth resistor, the other end of the seventh resistor is connected to the collector of the second switch tube and the sixth end of the first controller, the third end and the eighth end of the first analog switch are connected to the second end of the fourth resistor and the second end of the fifth resistor respectively, the fourth end and the ninth end of the first analog switch are connected to the direct current lamp module, the emitter of the first switch tube is connected to the emitter of the second switch tube and the second end of the third capacitor, and the base of the first switch tube and the base of the second switch tube are connected to the state detection module.

4. A stage light control circuit according to claim 3, wherein The direct current lamp module comprises a first direct current lamp interface, a second direct current lamp interface, a first thyristor and a second thyristor. The first end of the first direct current lamp interface is connected to the first end of the second direct current lamp interface and the first end of the third capacitor, the second end of the first direct current lamp interface is connected to the anode of the first thyristor, the second end of the second direct current lamp interface is connected to the anode of the second thyristor, the cathode of the first thyristor and the cathode of the second thyristor are connected to the state detection module, the control end of the first thyristor is connected to the fourth end of the first analog switch, and the control end of the second thyristor is connected to the ninth end of the first analog switch.

5. A stage light control circuit according to claim 4, wherein The second path module comprises a second analog switch, and the alternating current lamp module comprises a first alternating current lamp interface, a second alternating current lamp interface, a third thyristor and a fourth thyristor. The first end and the fourteenth end of the second analog switch are connected with the second end of the fourth resistor and the second end of the fifth resistor respectively, the second end and the eleventh end of the second analog switch are connected with the control end of the third thyristor and the control end of the fourth thyristor respectively, one end of the third thyristor is connected with the first end of the first alternating current lamp interface, one end of the fourth thyristor is connected with the first end of the first alternating current lamp interface, the other end of the third thyristor is connected with the other end of the fourth thyristor and the second end of the secondary side of the first transformer, the second end of the first alternating current lamp interface is connected with the second end of the second alternating current lamp interface and the first end of the secondary side of the first transformer, the thirteenth end of the second analog switch is connected with the base of the first switch tube, and the twelfth end of the second analog switch is connected with the base of the second switch tube.

6. A stage light control circuit according to claim 5, wherein The state detection module comprises a first power supply, an eighth resistor, a ninth resistor, a first optocoupler and a second optocoupler; The first end of the first optocoupler is connected with the cathode of the first thyristor, the second end of the first optocoupler is connected with the second end of the second optocoupler and the ground end, the first end of the second optocoupler is connected with the cathode of the second thyristor, the third end of the first optocoupler is connected with the base of the first switch tube and connected with the first power supply and one end of the ninth resistor through the eighth resistor, the other end of the ninth resistor is connected with the base of the second switch tube and the third end of the second optocoupler, and the fourth end of the first optocoupler and the fourth end of the second optocoupler are grounded.

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