Wide voltage output driving circuit, driving device and lamp

Abstract

The application belongs to the technical field of lamps, and provides a wide-voltage output driving circuit, a driving device and a lamp. The wide-voltage output driving circuit comprises a power driving module, a voltage adjusting module, a current adjusting module, an output current detecting module, an output voltage detecting module and a main control module. The output current detecting module and the output voltage detecting module are arranged to detect the output current of the voltage adjusting module and the output voltage of the current adjusting module. The main control module generates a voltage adjusting signal according to a current detecting signal and a voltage detecting signal to adjust the output voltage of the voltage adjusting module, so that the range of the output voltage can be adjusted to adapt to more specifications of lamps. The main control module also generates a dimming driving signal according to a dimming signal to adjust the output current of the current adjusting module, thereby realizing dimming of a light source module and increasing the application scenarios of the light source module.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of lamps, and particularly relates to a wide-voltage output driving circuit, a driving device and a lamp. BACKGROUND

[0002] Lamp lighting is everywhere in modern society, and lamps used in various industries have different purposes. In particular, in fixed lamps, the voltage used is mains electricity, and the lamp can ensure normal service life within its rated voltage operating range. However, different specifications of lighting appliances have different voltage requirements. In the prior art, a power supply circuit generally outputs a fixed power supply voltage. When different lamps require different power supply voltages, for example, the output voltage range is 50-250V or wider, a corresponding power supply circuit generally needs to be replaced, and the dimming depth of lamps with different voltage requirements is also inconsistent.

[0003] In summary, the existing power supply circuit has the problems of being unable to adjust the range of the output voltage and inconsistent dimming curves. SUMMARY

[0004] The application aims to provide a wide-voltage output driving circuit, a driving device and a lamp, and aims to solve the problems of the existing power supply circuit being unable to adjust the range of the output voltage and inconsistent dimming curves.

[0005] A first aspect of the application provides a wide-voltage output driving circuit connected to a light source module, the wide-voltage output driving circuit comprising:

[0006] a power driving module configured to access alternating current and generate a power driving signal according to the alternating current;

[0007] a voltage adjustment module connected to the power driving module and configured to generate a wide-voltage driving signal according to the power driving signal;

[0008] a current adjustment module connected to the voltage adjustment module and configured to receive the wide-voltage driving signal and generate a direct-current power supply signal according to the wide-voltage driving signal to drive the light source module to light up;

[0009] an output current detection module connected to the voltage adjustment module and configured to detect an output current of the voltage adjustment module and generate an output current detection signal;

[0010] an output voltage detection module connected to the current adjustment module and configured to detect a voltage of an output end of the current adjustment module and generate an output voltage detection signal;

[0011] The main control module is connected with the output current detection module and the output voltage detection module respectively, and is configured to generate a voltage adjustment signal according to the output current detection signal and the output voltage detection signal, and generate a dimming driving signal according to a received dimming signal;

[0012] The voltage adjustment module is further configured to adjust a voltage range of the wide voltage driving signal according to the voltage adjustment signal, and the current adjustment module is further configured to adjust a current size of the direct current power supply signal according to the dimming driving signal.

[0013] In an embodiment, the wide voltage output driving circuit further comprises:

[0014] The AC detection module is connected with the power driving module, and is configured to detect AC power at an input end of the power driving module to generate an AC detection signal.

[0015] The zero-crossing detection module is connected with the power driving module, and is configured to perform zero-crossing detection on an output current of the power driving module to generate a zero-crossing detection signal.

[0016] The power voltage detection module is connected with the power driving module, and is configured to detect a voltage at an output end of the power driving module to generate a power voltage detection signal.

[0017] The main control module is further connected with the AC detection module, the zero-crossing detection module and the power voltage detection module, and is configured to generate a power adjustment signal according to the AC detection signal, the zero-crossing detection signal and the power voltage detection signal.

[0018] The power driving module is configured to adjust a power of the power driving signal according to the power adjustment signal.

[0019] In an embodiment, the wide voltage output driving circuit further comprises:

[0020] The auxiliary power module is connected with the output end of the power driving module and the main control module respectively, and is configured to generate an auxiliary power signal according to the power driving signal to supply power to the main control module.

[0021] In an embodiment, the wide voltage output driving circuit further comprises:

[0022] The signal isolation module is configured to receive a dimming control signal, perform optocoupler isolation transmission on the dimming control signal, and output the dimming signal to the main control module.

[0023] In an embodiment, the output current detection module comprises:

[0024] The voltage dividing unit is connected with the inductor unit of the voltage adjustment module, configured to detect the current value of the inductor unit, generate an inductor current signal, and perform voltage dividing processing on the inductor current signal.

[0025] The comparison unit is connected with the voltage dividing unit, configured to receive the inductor current signal and a zero-crossing reference value, and compare the inductor current signal with the zero-crossing reference value to generate the output current detection signal.

[0026] In one embodiment, the voltage dividing unit comprises a first resistor, a second resistor, a third resistor, a fourth resistor and a first capacitor; wherein the first end of the first resistor and the first end of the fourth resistor are connected to the inductor unit of the voltage adjustment module, the second end of the first resistor is connected to the ground in series with the second resistor, the second end of the first resistor is also connected to the ground in series with the third resistor and the first capacitor, and the second end of the fourth resistor is connected with the comparison unit.

[0027] In one embodiment, the comparison unit comprises a first diode and a second diode; wherein,

[0028] The first end of the first diode is connected with a zero-crossing reference value port, the second end of the first diode and the first end of the second diode are both connected with the voltage dividing unit, the second end of the second diode is connected to the ground, and the first end of the second diode is also connected with the master control module.

[0029] In one embodiment, the output voltage detection module comprises a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor and a second capacitor; wherein,

[0030] The first end of the fifth resistor is connected with the current adjustment module, the second end of the fifth resistor is connected with the first end of the seventh resistor in series with the sixth resistor, the second end of the seventh resistor is connected with the master control module, the second end of the seventh resistor is also connected to the ground in series with the eighth resistor, and the second capacitor is connected with the eighth resistor in parallel.

[0031] The second aspect of the embodiment of the present application provides a dimming device comprising the wide-voltage output driving circuit according to any one of the above.

[0032] The third aspect of the embodiment of the present application provides a lamp comprising a light source module, characterized in that the lamp further comprises the wide-voltage output driving circuit according to any one of the above, wherein the wide-voltage output driving circuit is connected with the light source module.

[0033] The beneficial effects of the embodiments of the present application compared with the prior art are that the embodiments of the present application provide a wide voltage output driving circuit, the output current of the voltage adjusting module is detected through the setting of the output current detection module and the output voltage detection module, the output voltage of the current adjusting module is detected, and the voltage adjusting signal is generated by the main control module according to the current detection signal and the voltage detection signal, so as to adjust the output voltage of the voltage adjusting module, so as to adjust the range of the output voltage, so that it can adapt to more specifications of lamps, and the dimming driving signal is generated by the main control module according to the dimming signal, so as to adjust the output current of the current adjusting module, and then the dimming of the light source module is realized, so as to increase the application scene of the light source module. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 Structure diagram of the wide voltage output driving circuit provided by the embodiments of the present application Figure 1

[0035] Figure 2 Structure diagram of the wide voltage output driving circuit provided by the embodiments of the present application Figure 2

[0036] Figure 3 Structure diagram of the wide voltage output driving circuit provided by the embodiments of the present application Figure 3

[0037] Figure 4 Structure diagram of the wide voltage output driving circuit provided by the embodiments of the present application Figure 4

[0038] Figure 5 Specific circuit diagram of the output current detection module provided by the embodiments of the present application

[0039] Figure 6 Specific circuit diagram of the output voltage detection module provided by the embodiments of the present application

[0040] Figure 7 Specific circuit diagram of the AC detection module provided by the embodiments of the present application

[0041] Figure 8 Specific circuit diagram of the power voltage detection module provided by the embodiments of the present application

[0042] Figure 9 Specific circuit diagram of the zero-crossing detection module provided by the embodiments of the present application

[0043] Figure 10 Specific circuit diagram of the auxiliary power module provided by the embodiments of the present application Figure 1

[0044] ​​​​​Figure 11 The specific circuit schematic of the auxiliary power module provided for the embodiment of the present application Figure 2

[0045] Figure 12 The specific circuit schematic of the signal isolation module provided for the embodiment of the present application

[0046] Figure 13 The specific circuit schematic of the power drive module provided for the embodiment of the present application

[0047] Figure 14 The specific circuit schematic of the voltage adjustment module provided for the embodiment of the present application

[0048] Figure 15 The specific circuit schematic of the current adjustment module provided for the embodiment of the present application

[0049] Figure 16 The specific circuit schematic of the main control module provided for the embodiment of the present application. DETAILED DESCRIPTION

[0050] In order to make the technical problems to be solved by the present application, the technical solutions and beneficial effects clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0051] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0052] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0053] In addition, the terms "first", "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited. ​

[0054] Lamp lighting is everywhere in modern society, the lamps used in various industries have different purposes, especially in fixed lamps, the voltage used is the mains, the lamp can ensure normal service life within the rated voltage operating range, but different specifications of lighting appliances have different demand voltages, or if it involves unstable power grid, or long-term relative to the mains high or low, it may damage the control circuit board of the lamp, and reduce the service life of the lamp, and seriously may damage the light source.

[0055] Therefore, the existing lamp power supply circuit cannot adjust the range of the input voltage.

[0056] In order to solve the above technical problems, referring to Figure 1 The embodiment of the application provides a wide voltage output driving circuit connected with a light source module 200, the wide voltage output driving circuit comprises a power driving module 10, a voltage adjusting module 20, a current adjusting module 30, an output current detection module 40, an output voltage detection module 50 and a main control module 60.

[0057] Specifically, the power driving module 10 is used for connecting AC power and generating a power driving signal according to the AC power; the voltage adjusting module 20 is connected with the power driving module 10, and the voltage adjusting module 20 is used for generating a wide voltage driving signal according to the power driving signal; the current adjusting module 30 is connected with the voltage adjusting module 20, and the current adjusting module 30 is used for receiving the wide voltage driving signal and generating a direct current power supply signal according to the wide voltage driving signal to drive the light source module 200 to light; the output current detection module 40 is connected with the voltage adjusting module 20, and the output current detection module 40 is used for detecting the output current of the voltage adjusting module 20 to generate an output current detection signal; the output voltage detection module 50 is connected with the current adjusting module 30, and the output voltage detection module 50 is used for detecting the voltage of the output end of the current adjusting module 30 to generate an output voltage detection signal; the main control module 60 is connected with the output current detection module 40 and the output voltage detection module 50 respectively, and the main control module 60 is used for generating a voltage adjusting signal according to the output current detection signal and the output voltage detection signal, and generating a dimming driving signal according to the received dimming signal; wherein the voltage adjusting module 20 is further used for adjusting the voltage range of the wide voltage driving signal according to the voltage adjusting signal, and the current adjusting module 30 is further used for adjusting the current size of the direct current power supply signal according to the dimming driving signal.

[0058] In the embodiment, the power driving module 10 is connected with an external power supply device, rectifies, filters and processes the accessed alternating current signal to generate a power driving signal, and the voltage adjustment module 20 is used to generate a wide voltage driving signal according to the power driving signal. It can be understood that the voltage range of the wide voltage driving signal output by the voltage adjustment module 20 is adjustable, so as to output wide voltage driving signals with different voltage sizes according to the needs of different light source modules 200, thereby solving the problem that the existing lamp power supply circuit cannot adjust the range of the input voltage.

[0059] In the embodiment, the current adjustment module 30 generates a direct current power supply signal according to the wide voltage driving signal to drive the light source module 200 to light. Specifically, the current adjustment signal outputs the direct current power supply signal to supply power to the light source module 200. It can be understood that the current size of the direct current power supply signal output by the current adjustment signal can be different. When the current size of the direct current power supply signal is different, the light-on state of the light source module 200 can be different, and the light adjustment function of the light source module 200 can be realized.

[0060] In the embodiment, the wide voltage output driving circuit further comprises an output current detection module 40 and an output voltage detection module 50. The output current detection module 40 can detect the output current of the output end of the voltage adjustment module 20 in real time and generate an output current detection signal. The output voltage detection module 50 can detect the voltage of the output end of the current adjustment module 30 in real time and generate an output voltage detection signal. In the embodiment, the main control module 60 is used to receive the output current detection signal and the output voltage detection signal, generate a voltage reference signal according to the output current detection signal and a preset reference, and perform analog-to-digital conversion and filtering processing on the output voltage detection signal according to the voltage reference signal as a reference to generate a voltage adjustment signal and output the voltage adjustment signal to the voltage adjustment module 20. The voltage adjustment module 20 adjusts the voltage range of the wide voltage driving signal according to the voltage adjustment signal, so as to realize the adjustable voltage range of the wide voltage driving signal, expand the application scenarios of the wide voltage output driving circuit, and make it applicable to lamps with different voltage requirements.

[0061] In the embodiment, the main control module 60 is further used to generate a light adjustment driving signal according to the received light adjustment signal, and the current adjustment module 30 is further used to adjust the current size of the direct current power supply signal according to the light adjustment driving signal, so as to adjust the light depth and light curve of the light source module 200 by controlling the current size of the direct current power supply signal, make the light adjustment uplink and downlink light adjustment curves of the light source module 200 consistent, and improve the user experience.

[0062] In the embodiment, the range of the input voltage of the light source module 200 is adjustable through the voltage adjustment signal, and the current of the DC power supply signal is adjustable through the dimming drive signal, so that the illumination brightness of the light source module 200 is adjustable, thereby solving the problem that the existing lamp power supply circuit cannot adjust the range of the input voltage and the problem that the uplink and downlink dimming curves of the existing lamp dimming are inconsistent.

[0063] In one embodiment, referring to Figure 2 The wide voltage output driving circuit further includes an AC detection module 70, a zero-crossing detection module 80, and a power voltage detection module 90.

[0064] Specifically, the AC detection module 70 is connected with the power driving module 10, and the AC detection module 70 is configured to detect the AC power at the input end of the power driving module 10 to generate an AC detection signal; the zero-crossing detection module 80 is connected with the power driving module 10, and the zero-crossing detection module 80 is configured to detect the zero-crossing of the output current of the power driving module 10 to generate a zero-crossing detection signal; the power voltage detection module 90 is connected with the power driving module 10, and the power voltage detection module 90 is configured to detect the voltage at the output end of the power driving module 10 to generate a power voltage detection signal; the main control module 60 is further connected with the AC detection module 70, the zero-crossing detection module 80, and the power voltage detection module 90, and the main control module 60 is configured to generate a power adjustment signal according to the AC detection signal, the zero-crossing detection signal, and the power voltage detection signal; and the power driving module 10 is configured to adjust the power of the power driving signal according to the power adjustment signal.

[0065] In the embodiment, the AC detection module 70 is connected with the input end of the power driving module 10, and the AC detection module 70 is configured to detect the AC power at the input end of the power driving module 10 to generate an AC detection signal; the zero-crossing detection module 80 is configured to detect the zero-crossing of the output current of the power driving module 10 to generate a zero-crossing detection signal, for example, the zero-crossing detection module 80 is connected with the inductor in the power driving module 10, and outputs the zero-crossing detection signal when the waveform of the power driving module 10 passes through the zero position; and the power voltage detection module 90 is connected with the output end of the power driving module 10, and the power voltage detection module 90 is configured to detect the voltage at the output end of the power driving module 10 in real time to generate a power voltage detection signal. In the embodiment, the AC detection module 70 is configured to detect the AC power at the input end of the power driving module 10 in real time, the power voltage detection module 90 is configured to detect the voltage at the output end of the power driving module 10 in real time, and the zero-crossing detection module 80 is configured to detect the zero-crossing of the AC power in the power driving module 10 in real time, so as to prepare for the output power of the power driving module 10 by the rear-end circuit.

[0066] In the embodiment, the main control module 60 generates a power adjustment signal according to the AC detection signal, the zero-crossing detection signal and the power voltage detection signal; the power driving module 10 is configured to adjust the power of the power driving signal according to the power adjustment signal. Specifically, the main control module 60 generates the power adjustment signal by means of analog-to-digital conversion and filtering and stabilizing treatment of the AC detection signal and the power voltage detection signal with the zero-crossing detection signal as a reference, so as to adjust the output power of the power driving module 10.

[0067] In the embodiment, as shown in Figure 16 The chip used by the main control module 60 is XMC1400.

[0068] In one embodiment, it can be understood that the main control module 60 generates the power adjustment signal according to the AC detection signal and the power voltage detection signal with the voltage of the zero-crossing detection signal as a reference, the power driving module 10 adjusts the power of the power driving signal according to the power adjustment signal, the main control module 60 generates the voltage adjustment signal according to the output current detection signal and the output voltage detection signal, and the voltage adjustment module 20 adjusts the voltage range of the wide voltage driving signal according to the voltage adjustment signal; the main control module 60 generates the dimming driving signal according to the externally input dimming signal, and the current adjustment module 30 adjusts the current size of the direct-current power supply signal according to the dimming driving signal; in this way, the output voltage of the wide voltage output driving circuit can be adjusted to adapt to the light source module 200 of different voltage ranges, the output current can be adjusted to realize the dimming control of the light source module 200, and the present application first adjusts the output power of the power driving module 10, and then adjusts the output voltage in the voltage adjustment module 20 and adjusts the output current in the current adjustment module 30, so that the circuit structure is simplified and the output voltage is adjustable and the light source module 200 is dimmed.

[0069] In one embodiment, as shown in Figure 3 The wide voltage output driving circuit further comprises an auxiliary power supply module 100.

[0070] Specifically, the auxiliary power supply module 100 is connected with the output end of the power driving module 10 and the main control module 60 respectively, and generates an auxiliary power supply signal according to the power driving signal to supply power to the main control module 60.

[0071] In the embodiment, the auxiliary power module 100 is connected with the output end of the power driving module 10, that is, the auxiliary power module 100 takes power from the output end of the power driving module 10 to generate an auxiliary power signal to supply power to the master control module 60. In the embodiment, the master control module 60 and the light source module 200 are both supplied with power by the power driving module 10, and it is not necessary to separately set a power supply for the master control module 60. In this way, the number of power supplies can be reduced, the circuit structure is simplified, and the probability of circuit error can also be reduced.

[0072] In one embodiment, referring to Figure 3 The wide voltage output driving circuit further includes a signal isolation module 110.

[0073] Specifically, the signal isolation module 110 is configured to receive a dimming control signal and perform optocoupler isolation transmission on the dimming control signal to output a dimming signal to the master control module 60. In the embodiment, the dimming control signal is sent by a user according to different application requirements, the signal isolation module 110 performs optocoupler isolation transmission on the dimming control signal to output the dimming signal, and the master control module 60 outputs a dimming driving signal according to the dimming signal to adjust the current size of the direct-current power signal, so that the light source module 200 can adjust the light brightness. In this way, the problem that the existing lamp power supply circuit cannot adjust the range of input voltage and the problem that the uplink and downlink dimming curves of the existing lamp dimming are inconsistent can be solved at the same time.

[0074] In one embodiment, referring to Figure 4 The output current detection module 40 includes a voltage dividing unit 41 and a comparison unit 42.

[0075] Specifically, the voltage dividing unit 41 is connected with the inductor unit of the voltage adjustment module 20, and is configured to detect the current value of the inductor unit to generate an inductor current signal and perform voltage dividing processing on the inductor current signal. The comparison unit 42 is connected with the voltage dividing unit 41, and is configured to receive the inductor current signal and a zero-crossing reference value, compare the inductor current signal with the zero-crossing reference value, and generate an output current detection signal.

[0076] In the embodiment, the voltage dividing unit 41 is configured to detect the current value of the inductor unit in real time, generate an inductor current signal, and output the inductor current signal to the comparison unit 42 after voltage division by the voltage dividing resistor. The comparison unit 42 compares the inductor current signal with the zero-crossing reference value, and generates an output current detection signal when the voltage value of the inductor current signal is greater than the zero-crossing reference value. The main control module 60 generates a voltage reference signal according to the output current detection signal and a preset reference. The output voltage detection signal is converted into a digital signal and filtered according to the voltage reference signal as a reference, to generate a voltage adjustment signal output to the voltage adjustment module 20. The voltage adjustment module 20 adjusts the voltage range of the wide voltage driving signal according to the voltage adjustment signal, so as to realize the adjustable voltage range of the wide voltage driving signal, expand the application scenarios of the wide voltage output driving circuit, and enable the wide voltage output driving circuit to be applied to lamps with different voltage requirements.

[0077] In one embodiment, as shown in FIG. 1, the voltage dividing unit 41 includes a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, and a first capacitor C1. Figure 5

[0078] Specifically, the first end of the first resistor R1 and the first end of the fourth resistor R4 are connected to the inductor unit of the voltage adjustment module 20. The second end of the first resistor R1 is connected to the ground in series with the second resistor R2. The second end of the first resistor R1 is also connected to the ground in series with the third resistor R3 and the first capacitor C1. The second end of the fourth resistor R4 is connected to the comparison unit 42. In the embodiment, the voltage dividing unit 41 is connected to the voltage adjustment module 20 through the port B1, configured to detect the output current of the voltage adjustment module 20, perform voltage division, and output the inductor current signal to the comparison unit 42 through the fourth resistor R4, so that the comparison unit 42 generates the output current detection signal. The voltage dividing unit 41 is also connected to the main control module 60 through the port B2 (as shown in FIG. 2), configured to output the voltage division signal to the main control module 60, so that the main control module 60 adjusts the output current detection signal according to the voltage division signal. Figure 16

[0079] In one embodiment, as shown in FIG. 1, the comparison unit 42 includes a first diode D1 and a second diode D2. Figure 5

[0080] Specifically, the first end of the first diode D1 is connected to the zero-crossing reference value port. The second end of the first diode D1 and the first end of the second diode D2 are connected to the voltage dividing unit 41. The second end of the second diode D2 is connected to the ground. The first end of the second diode D2 is also connected to the main control module 60. In the embodiment, the zero-crossing reference value port provides a 5V voltage. The comparison unit 42 is connected to the main control module 60 through the port b1 (as shown in FIG. 2). Figure 16 ​​​As shown in FIG. 6, the output current detection module 50 includes a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, and a second capacitor C2.

[0081] In one embodiment, referring to FIG. 6, the output voltage detection module 50 includes a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, and a second capacitor C2. Figure 6 As shown in FIG. 6, the output voltage detection module 50 includes a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, and a second capacitor C2.

[0082] Specifically, the first end of the fifth resistor R5 is connected with the current adjustment module 30, the second end of the fifth resistor R5 is connected with the first end of the seventh resistor R7 in series with the sixth resistor R6, the second end of the seventh resistor R7 is connected with the main control module 60, the second end of the seventh resistor R7 is grounded in series with the eighth resistor R8, and the second capacitor C2 is connected with the eighth resistor R8 in parallel. In this embodiment, the output voltage detection module 50 is connected with the current adjustment module 30 through the port VOUT, for detecting the voltage of the output end of the current adjustment module 30, generating the output voltage detection signal through the voltage division of the fifth resistor R5, the sixth resistor R6, the seventh resistor R7, and the eighth resistor R8, and outputting the output voltage detection signal to the main control module 60 through the port V0 (as shown in FIG. 6), while the second capacitor C2 is used for voltage stabilizing the output voltage detection signal. Figure 16

[0083] In one embodiment, referring to FIG. 6, the output voltage detection module 50 includes a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, and a second capacitor C2. Figure 7 As shown in FIG. 6, the output voltage detection module 50 includes a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, and a second capacitor C2.

[0084] Specifically, the first end of the fifth resistor R5 is connected with the current adjustment module 30, the second end of the fifth resistor R5 is connected with the first end of the seventh resistor R7 in series with the sixth resistor R6, the second end of the seventh resistor R7 is connected with the main control module 60, the second end of the seventh resistor R7 is grounded in series with the eighth resistor R8, and the second capacitor C2 is connected with the eighth resistor R8 in parallel. In this embodiment, the output voltage detection module 50 is connected with the current adjustment module 30 through the port VOUT, for detecting the voltage of the output end of the current adjustment module 30, generating the output voltage detection signal through the voltage division of the fifth resistor R5, the sixth resistor R6, the seventh resistor R7, and the eighth resistor R8, and outputting the output voltage detection signal to the main control module 60 through the port V0 (as shown in FIG. 6), while the second capacitor C2 is used for voltage stabilizing the output voltage detection signal. Figure 16

[0085] In one embodiment, referring to FIG. 6, the output voltage detection module 50 includes a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, and a second capacitor C2. Figure 8 ​​As shown, the power voltage detection module 90 includes a thirteenth resistor R13, a fourteenth resistor R14, a fifteenth resistor R15, a sixteenth resistor R16, and a fourth capacitor C4.

[0086] Specifically, a first end of the thirteenth resistor R13 is connected with the power driving module 10, a second end of the thirteenth resistor R13 is connected with a first end of the fifteenth resistor R15 in series with the fourteenth resistor R14, a second end of the fifteenth resistor R15 is connected with the master control module 60, the second end of the fifteenth resistor R15 is grounded in series with the sixteenth resistor R16, and the fourth capacitor C4 is connected with the sixteenth resistor R16 in parallel. In this embodiment, the power voltage detection module 90 is connected with the output end of the power driving module 10 through the port VB for detecting the voltage of the output end of the power driving module 10, and a power voltage detection signal is generated through the voltage division of the thirteenth resistor R13, the fourteenth resistor R14, the fifteenth resistor R15, and the sixteenth resistor R16 and output to the master control module 60 through the port Vbus (see Figure 16 As shown), and the fourth capacitor C4 is used for voltage stabilization of the power voltage detection signal.

[0087] In one embodiment, as shown in Figure 9 As shown, the zero-crossing detection module 80 includes a seventeenth resistor R17, a fifth capacitor C5, a third diode D3, and a fourth diode D4.

[0088] Specifically, a first end of the seventeenth resistor R17 is connected with the power driving module 10, a second end of the seventeenth resistor R17 is connected with a second end of the third diode D3 and a second end of the fourth diode D4 to the master control module 60, a first end of the third diode D3 is connected with a 5V voltage, a first end of the fourth diode D4 is grounded, and the fifth capacitor C5 is connected with the fourth diode D4 in parallel. In this embodiment, the zero-crossing detection module 80 is connected with the power driving module 10 through the port Z1 for zero-crossing detection of the output current of the power driving module 10, and a zero-crossing detection signal is generated through the seventeenth resistor R17, the third diode D3, and the fourth diode D4 and output to the master control module 60 through the port Z2 (see Figure 16 As shown).

[0089] In one embodiment, as shown in Figure 10 As shown, the auxiliary power supply module 100 includes a power supply chip U1, a sixth capacitor C6, a seventh capacitor C7, a fifth diode D5, a sixth diode D6, a first inductor L1, and an eighteenth resistor R18.

[0090] Specifically, the high-voltage pin SW and the suspended pin NC of the power chip U1 are connected with the output end of the power driving module 10 through the port VB, the power output end VDD of the power chip U1 is connected with the first end of the sixth capacitor C6 and the first end of the sixth diode D6, the ground end GND of the power chip U1 is connected with the second end of the sixth capacitor C6, the first end of the fifth diode D5 and the first end of the first inductor L1, the second end of the first inductor L1 is connected with the second end of the sixth diode D6 and the first end of the seventh capacitor C7 through the port VS to output 15V voltage, the second end of the fifth diode D5 and the second end of the seventh capacitor C7 are grounded, and the eighteenth resistor R18 is connected with the seventh capacitor C7 in parallel. In the embodiment, the model of the power chip U1 is PN8054S.

[0091] In one embodiment, referring to Figure 11 The auxiliary power module 100 further includes a power chip U7, a twenty-fourth capacitor C24 and a twenty-fifth capacitor C25.

[0092] Specifically, the input pin VIN of the power chip U7 is connected with the port VS to receive 15V voltage output by the port VS, the input pin of the power chip U7 is connected with the ground in series after the twenty-fourth capacitor C24, the ground pin GND of the power chip U7 is grounded, the output pin OUT of the power chip U7 outputs 5V voltage to supply power for the main control module 60, the output pin OUT of the power chip U7 is connected with the ground in series after the twenty-fifth capacitor C25, the enable pin EN of the power chip U7 is connected with 15V voltage, and the pin NC of the power chip U7 is suspended.

[0093] In one embodiment, the signal isolation module 110 can be one or a combination of two or more of the following circuits: DALI control, PWM control, NFC control, 0-10V dimming, resistance dimming, etc.

[0094] In one embodiment, when the signal isolation module 110 is DALI control, referring to Figure 12 The control circuit includes a nineteenth resistor R19, a twentieth resistor R20, a twenty-first resistor R21, a twenty-second resistor R22, a twenty-third resistor R23, a twenty-fourth resistor R24, a first optocoupler chip U2, a second optocoupler chip U3, a first voltage stabilizing tube Z1, a seventh diode D7, an eighth capacitor C8, a first switch tube Q1 and a rectifier bridge BD1.

[0095] In the embodiment, the signal isolation module 110 communicates with the main control module 60 through the port DALI-RX and the port DALI-TX (referring to Figure 16As shown, the first end of the nineteenth resistor R19 is connected with the port DALI-RX, the second end of the nineteenth resistor R19 is grounded, the first end of the first optocoupler chip U2 is connected with the port DALI-RX, the second end of the first optocoupler chip U2 is connected with 5V voltage, the third end of the first optocoupler chip U2 is connected with the first output end of the rectifier bridge BD1 in series with the twentieth resistor R20, the fourth end of the first optocoupler chip U2 is connected with the second output end of the rectifier bridge BD1 in series with the first voltage stabilizing tube Z1, the rectifier bridge BD1 receives input voltage through the port DALI+ and the port DALI-, the twenty-first resistor R21 is connected in series between the first end of the second optocoupler chip U3 and the port DALI-TX, the second end of the second optocoupler chip U3 is connected with 5V voltage, the third end of the second optocoupler chip U3 is connected with the first output end of the rectifier bridge BD1 in series with the seventh diode D7, the twenty-second resistor R22 is connected in series between the first output end of the rectifier bridge BD1 and the first end of the first switch tube Q1, the twenty-third resistor R23 is connected in series between the fourth end of the second optocoupler chip U3 and the control end of the first switch tube Q1, the twenty-fourth resistor R24 is connected in series between the control end and the second end of the first switch tube Q1, the second end of the first switch tube Q1 is also connected with the second output end of the rectifier bridge BD1, the eighth capacitor C8 is connected in series between the third end of the second optocoupler chip U3 and the second output end of the rectifier bridge BD1.

[0096] In one embodiment, with reference to Figure 13 As shown, the power driving module 10 comprises a fuse S1, a first voltage-dependent resistor RV1, a second voltage-dependent resistor RV2, a first mutual inductor LC1, a second mutual inductor LC2, a ninth capacitor C9, a tenth capacitor C10, an eleventh capacitor C11, a twelfth capacitor C12, a thirteenth capacitor C13, a fourteenth capacitor C14, a fifteenth capacitor C15, a sixteenth capacitor C16, a twenty-fifth resistor R25, a twenty-sixth resistor R26, a twenty-seventh resistor R27, a twenty-eighth resistor R28, a twenty-ninth resistor R29, a rectifier bridge BD2, an eighth diode D8, a ninth diode D9, a twelfth diode D10, a second switch tube Q2, a second inductor L2, and a control chip U4.

[0097] Specifically, the fuse S1 is connected in series between the first end of the AC input interface J1 and the first end of the first voltage-dependent resistor RV1, the third end of the AC input interface J1 is grounded, the second end of the AC input interface J1 is connected to the second end of the second voltage-dependent resistor RV2 and the second end of the ninth capacitor C9, the first end of the second voltage-dependent resistor RV2 is connected to the first end of the first voltage-dependent resistor RV1, the second end of the first voltage-dependent resistor RV1 is connected to the first end of the ninth capacitor C9, the first end of the first transformer LC1 is connected to the port DC+ after being connected in series with the eighth diode D8, the second end of the first transformer LC1 is connected to the port DC+ after being connected in series with the ninth diode D9, the third end of the first transformer LC1 is connected to the first input end of the rectifier bridge BD2 after being connected in series with the second inductor L2, the second end of the tenth capacitor C10 is grounded, the first end of the eleventh capacitor C11 is connected to the second end of the tenth capacitor C10, the second end of the eleventh capacitor C11 is connected to the second input end of the rectifier bridge BD2 after being connected to the fourth end of the first transformer LC1 and the second end of the twelfth capacitor C12, the first output end of the rectifier bridge BD2 is grounded, the second output end of the rectifier bridge BD2 and the first end of the thirteenth capacitor C13 are connected to the first end of the second transformer LC2, the second end of the second transformer LC2 is connected to the port VB after being connected in series with the twelfth diode D10, the third end of the second transformer LC2 is connected to the port Z1, and the fourth end of the second transformer LC2 is grounded.

[0098] In the embodiment, the second end of the thirteenth capacitor C13 is grounded, the power pin VCC of the control chip U4 is connected to a 15V voltage, the COM pin of the control chip U4 is connected to the 15V voltage after being connected in series with the fourteenth capacitor C14, the COM pin of the control chip U4 is also grounded, the input pin IN of the control chip U4 is connected to the main control module 60 through the port PFC (see Figure 16 the input pin IN of the control chip U4 is also grounded after being connected in series with the thirtieth resistor R30, the output pin OUT of the control chip U4 is connected to the control end of the second switch tube Q2 after being connected in series with the twenty-fifth resistor R25, the first end of the second switch tube Q2 is connected to the second end of the second transformer LC2, the second end of the second switch tube Q2 is grounded after being connected in series with the twenty-eighth resistor R28, the twenty-sixth resistor R26 is connected in series between the control end and the second end of the second switch tube Q2, the twenty-ninth resistor R29 is connected in parallel with the twenty-eighth resistor R28, and the first end of the twenty-seventh resistor R27 is connected to the main control module 60 through the port PFC_1 (see Figure 16The second end of the twenty-seventh resistor R27 is connected with the second end of the second switch tube Q2, the fifteenth capacitor C15 is connected in series between the first end of the twenty-seventh resistor R27 and the ground, and the sixteenth capacitor C16 is connected in series between the port VB and the ground. In the embodiment, the main control module 60 can send a voltage signal through the port PFC to control the switching frequency of the second switch tube Q2 (refer to Figure 16 The second end of the twenty-seventh resistor R27 is connected with the second end of the second switch tube Q2, the fifteenth capacitor C15 is connected in series between the first end of the twenty-seventh resistor R27 and the ground, and the sixteenth capacitor C16 is connected in series between the port VB and the ground. In the embodiment, the main control module 60 can send a voltage signal through the port PFC to control the switching frequency of the second switch tube Q2 (refer to

[0099] In one embodiment, referring to Figure 14 As shown in the figure, the voltage adjustment module 20 comprises a thirtieth resistor R30, a thirty-first resistor R31, a thirty-second resistor R32, a thirty-third resistor R33, a thirty-fourth resistor R34, a thirty-fifth resistor R35, a thirty-sixth resistor R36, a thirty-seventh resistor R37, a thirty-eighth resistor R38, a thirty-ninth resistor R39, a fortieth resistor R40, a seventeenth capacitor C17, an eighteenth capacitor C18, a nineteenth capacitor C19, a twentieth capacitor C20, a thirteenth diode D13, a fourteenth diode D14, a third switch tube Q3, a fourth switch tube Q4, a third inductor L3, a third mutual inductor LC3, and a voltage chip U5.

[0100] Specifically, the input pin HIN1 of the voltage chip U5 is connected with the main control module 60 through the port HIN after being connected in series with the thirtieth resistor R30, and the input pin HIN1 of the voltage chip U5 is grounded after being connected in series with the thirty-third resistor R33. The input pin LIN1 of the voltage chip U5 is connected with the main control module 60 through the port LIN after being connected in series with the thirty-first resistor R31 (refer to Figure 16As shown in the diagram, the main control module 60 outputs voltage adjustment signals through ports HIN and LIN to adjust the output voltage of the voltage adjustment module 20. The input pin LIN1 of voltage chip U5 is connected to ground via a 32nd resistor R32 in series. The COM pin of voltage chip U5 is grounded. The control pin LO of voltage chip U5 is connected to the control terminal of the fourth switch Q4 via a 37th resistor R37 in series. The power supply pin VCC of voltage chip U5 is connected to the 15V power supply port. The 17th capacitor C17 is connected in series between the power supply pin VCC and ground. The first end of the 34th resistor R34 is connected to the 15V power supply port. The second end of the 34th resistor R34 is connected to the first end of the 13th diode D13. The second end of the 13th diode D13 and the first end of the 18th capacitor C18 are both connected to the VB1 pin of voltage chip U5. The second end of the 18th capacitor C18 is connected to the output pin VS1 of voltage chip U5. The output control pin HO of voltage chip U5 is connected to the third switch Q4 via a 35th resistor R35 in series. The control terminal of Q3 is connected. The first terminal of the third switch Q3 is connected to port VB. The second terminal of the third switch Q3 and the first terminal of the fourth switch are connected to the output pin VS1 of the voltage chip U5. The thirty-sixth resistor R36 is connected in series between the control terminal and the second terminal of the third switch Q3. The second terminal of the fourth switch Q4 is grounded. The thirty-eighth resistor R38 is connected in series between the control terminal and the second terminal of the fourth switch Q4. The first terminal of the thirty-ninth resistor R39 and the first terminal of the third inductor L3 are connected to the first terminal of the fourth switch Q4. The second terminal of the thirty-ninth resistor R39 is connected in series with the nineteenth capacitor C19 and then grounded. The second terminal of the third inductor L3 is connected to the first terminal of the third current transformer LC3. The second terminal of the third current transformer LC3 is connected to port VOUT. The third terminal of the third current transformer LC3 is connected in series with the fourteenth diode D14 and then connected to port B1. The fourth terminal of the third current transformer LC3 is grounded. The fortieth resistor R40 is connected in series between the third and fourth terminals of the third current transformer LC3. The twentieth capacitor C20 is connected in series between port VOUT and ground.

[0101] In one embodiment, reference Figure 15 As shown, the current adjustment module 30 includes: resistor R41 (41st), resistor R42 (42nd), resistor R43 (43rd), resistor R44 (44th), resistor R45 (45th), resistor R46 (46th), resistor R47 (47th), capacitor C21 (21st), capacitor C22 (22nd), capacitor C23 (23rd), diode D15 (15th), switching transistor Q5 (5th), inductor L4 (4th), and control chip U6.

[0102] Specifically, the first terminal of the forty-first resistor R41 is connected to the main control module 60 via port GATE-R (see reference). Figure 16As shown in FIG. 6, the main control module 60 sends a dimming drive signal through the port GATE-R to control the switching frequency of the fifth switch tube Q5, thereby realizing dimming of the light source module 200. The second end of the forty-first resistor R41 and the first end of the forty-second resistor R42 are connected to the input pin IN of the control chip U6. The second end of the forty-second resistor R42 is grounded. The first end of the twenty-first capacitor C21 and the power pin VCC of the control chip U6 are connected to a 15V power supply. The second end of the twenty-first capacitor C21 is grounded. The ground pin COM of the control chip U6 is grounded. The output pin OUT of the control chip U6 is connected to the control end of the fifth switch tube Q5 after being connected in series with the forty-third resistor R43. The first end of the fifth switch tube Q5 is grounded after being connected in series with the forty-fifth resistor R45. The first end of the fifth switch tube Q5 is also connected to the main control module 60 through the port IP_R after being connected in series with the forty-sixth resistor R46 (see FIG. 6). Figure 16 As shown in FIG. 7, the main control module 60 controls the voltage at the first end of the fifth switch tube Q5 through the port IP_R. The twenty-second capacitor C22 is connected in series between the port IP_R and the ground. The forty-fourth resistor R44 is connected in series between the control end and the first end of the fifth switch tube Q5. The second end of the fifth switch tube Q5 and the second end of the fifteenth diode D15 are connected to the first end of the fourth inductor L4. The second end of the fourth inductor L4 is connected to the port VOUT after being connected in series with the twenty-third capacitor C23. The first end of the fifteenth diode D15 is connected to the port VOUT. The forty-seventh resistor R47 is connected in parallel with the twenty-third capacitor C23. The light source module 200 is connected in parallel with the twenty-third capacitor C23.

[0103] In one embodiment, the chip used by the main control module 60 is XMC1400, and the peripheral circuit thereof includes the forty-eighth resistor R48, the forty-ninth resistor R49, the fiftieth resistor R50, the fifty-first resistor R51, the fifty-second resistor R52, the fifty-third resistor R53, the fifty-fourth resistor R54, the twenty-sixth capacitor C26, the twenty-seventh capacitor C27, the twenty-eighth capacitor C28, the twenty-ninth capacitor C29, the thirtieth capacitor C30, the thirty-first capacitor C31, the thirty-second capacitor C32, the thirty-third capacitor C32, the thirty-fourth capacitor C34, and the fifth inductor L5.

[0104] Specifically, the pin P4.5 of the chip XMC1400 is connected with 5V voltage after being connected with the forty-eighth resistor R48 in series, the pin P4.4 of the chip XMC1400 is connected with 5V voltage after being connected with the forty-ninth resistor R49 in series, the pin P0.12 of the chip XMC1400 is connected with the pin P0.11 after being connected with the fiftieth resistor R50 in series, the pin P0.9 of the chip XMC1400 is connected with the pin P0.10 after being connected with the fifty-first resistor R51 in series, the power supply pin VDDP of the chip XMC1400 is connected with 5V voltage, the power supply pin VDDP of the chip XMC1400 is also connected with the ground after being connected with the twenty-sixth capacitor C26 in series, the twenty-seventh capacitor C27 is connected with the twenty-sixth capacitor C26 in parallel, the ground pin VSSP of the chip XMC1400 is grounded, the pin P0.7 of the chip XMC1400 is connected with the pin P0.5 after being connected with the fifty-second resistor R52 in series, the power supply pin VDDP1 of the chip XMC1400 is connected with 5V voltage, the power supply pin VDDP1 of the chip XMC1400 is also connected with the ground after being connected with the twenty-eighth capacitor C28 in series, the twenty-ninth capacitor C29 is connected with the twenty-eighth capacitor C28 in parallel, the pin P2.12 of the chip XMC1400 is connected with 5V voltage after being connected with the fifty-third resistor R53 in series, the pin P2.12 of the chip XMC1400 is also connected with the ground after being connected with the thirtieth capacitor in series, the fifty-fourth resistor R54 is connected with the thirtieth capacitor C30 in parallel, the ground pin VSS of the chip XMC1400 is grounded, the power supply pin VDD of the chip XMC1400 is connected with 5V voltage after being connected with the fifth inductor L5 in series, the power supply pin VDDP2 of the chip XMC1400 is connected with 5V voltage, the power supply pin VDDP2 of the chip XMC1400 is also connected with the ground after being connected with the thirty-third capacitor C32 in series, the thirty-fourth capacitor C34 is connected with the thirty-third capacitor C32 in parallel, the power supply pin VDD of the chip XMC1400 is connected with the ground after being connected with the thirty-first capacitor C31 in series, the thirty-second capacitor C32 is connected with the thirty-first capacitor C31 in parallel, and the other pins of the chip XMC1400 are left floating.

[0105] The embodiment of the present application also provides a dimming device, which comprises the wide voltage output driving circuit according to any one of the above.

[0106] The embodiment of the present application also provides a lamp, which comprises a light source module 200 and a wide voltage output driving circuit according to any one of the above, wherein the wide voltage output driving circuit is connected with the light source module 200.

[0107] In the above embodiments, the description of each embodiment has its own focus, and the parts not described or recorded in a certain embodiment can be referred to the related description of other embodiments.

[0108] In the embodiments of the present application, it should be understood that the disclosed apparatus / terminal device and method can be implemented in other manners. For example, the embodiments of the apparatus / terminal device described above are merely schematic; for example, the division of the modules or units is merely logical function division; an actual mapping of the embodiments of the apparatus / terminal device can be different, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the displayed or discussed mutual couplings or direct couplings or communication connections between different units, or the logical couplings or communication connections between different units, can be indirect couplings or communication connections through some interfaces, devices or units, and can be in electrical, mechanical or other forms.

[0109] The units described as separated components can or can not be physically separated, and the components displayed as units can or can not be physical units, i.e., can be located in one place, or can be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purposes of the embodiments of the present application.

[0110] In addition, each functional unit in the embodiments of the present application can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit. The integrated unit can be implemented in the form of hardware, or in the form of software functional units.

[0111] The above-described embodiments are merely used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalent; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A wide voltage output driving circuit, connected with a light source module, characterized in that, The wide voltage output driving circuit comprises: a power driving module configured to access alternating current and generate a power driving signal according to the alternating current; a voltage adjusting module connected with the power driving module and configured to generate a wide voltage driving signal according to the power driving signal; a current adjusting module connected with the voltage adjusting module and configured to receive the wide voltage driving signal and generate a direct current power supply signal according to the wide voltage driving signal to drive the light source module to light up; an output current detection module connected with the voltage adjusting module and configured to detect an output current of the voltage adjusting module and generate an output current detection signal; an output voltage detection module connected with the current adjusting module and configured to detect a voltage of an output terminal of the current adjusting module and generate an output voltage detection signal; a master control module connected with the output current detection module and the output voltage detection module respectively and configured to generate a voltage adjusting signal according to the output current detection signal and the output voltage detection signal and generate a dimming driving signal according to a received dimming signal; wherein the voltage adjusting module is further configured to adjust a voltage range of the wide voltage driving signal according to the voltage adjusting signal, and the current adjusting module is further configured to adjust a current size of the direct current power supply signal according to the dimming driving signal; the output current detection module comprises: a voltage dividing unit connected with an inductor unit of the voltage adjusting module, configured to detect a current value of the inductor unit, generate an inductor current signal and perform voltage dividing processing on the inductor current signal; a comparison unit connected with the voltage dividing unit, configured to receive the inductor current signal and a zero-crossing reference value, compare the inductor current signal with the zero-crossing reference value and generate the output current detection signal; the voltage dividing unit comprises a first resistor, a second resistor, a third resistor, a fourth resistor and a first capacitor; wherein a first end of the first resistor and a first end of the fourth resistor are connected to the inductor unit of the voltage adjusting module, a second end of the first resistor is connected to the second resistor and then grounded, the second end of the first resistor is also connected to the third resistor and the first capacitor and then grounded, and a second end of the fourth resistor is connected with the comparison unit; the comparison unit comprises a first diode and a second diode; wherein a first end of the first diode is connected with a zero-crossing reference value port, a second end of the first diode and a first end of the second diode are connected with the voltage dividing unit, a second end of the second diode is grounded, and the first end of the second diode is also connected with the master control module; the output voltage detection module comprises a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor and a second capacitor; wherein a first end of the fifth resistor is connected with the current adjusting module, a second end of the fifth resistor is connected with a first end of the seventh resistor after being connected with the sixth resistor, a second end of the seventh resistor is connected with the master control module, the second end of the seventh resistor is also connected with the eighth resistor and then grounded, and the second capacitor is connected with the eighth resistor in parallel.

2. The wide voltage output driver circuit of claim 1, wherein, The wide-voltage output driving circuit further comprises: An AC detection module connected with the power driving module, configured to detect AC power at an input end of the power driving module and generate an AC detection signal; A zero-crossing detection module connected with the power driving module, configured to perform zero-crossing detection on output current of the power driving module and generate a zero-crossing detection signal; A power voltage detection module connected with the power driving module, configured to detect voltage at an output end of the power driving module and generate a power voltage detection signal; The main control module is further connected with the AC detection module, the zero-crossing detection module and the power voltage detection module, configured to generate a power adjustment signal according to the AC detection signal, the zero-crossing detection signal and the power voltage detection signal; The power driving module is configured to adjust power of the power driving signal according to the power adjustment signal.

3. The wide voltage output driver circuit of claim 2, wherein, The wide-voltage output driving circuit further comprises: An auxiliary power module connected with the output end of the power driving module and the main control module, respectively, configured to generate an auxiliary power signal according to the power driving signal to supply power to the main control module.

4. The wide voltage output driver circuit of claim 1, wherein, The wide-voltage output driving circuit further comprises: A signal isolation module configured to receive a dimming control signal, perform opto-coupler isolation transmission on the dimming control signal and output the dimming signal to the main control module.

5. A light adjusting device, characterized by The wide-voltage output driving circuit comprises any one of claims 1 to 4.

6. A luminaire comprising a light source module, characterized in that The wide-voltage output driving circuit comprises any one of claims 1 to 4, wherein the wide-voltage output driving circuit is connected with the light source module.

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