CN111031636B

CN111031636B - Light-operated LED lamp circuit capable of setting working mode

Info

Publication number: CN111031636B
Application number: CN201911408939.0A
Authority: CN
Inventors: 吴国明; 俞贤晓; 宋飞刚
Original assignee: Zhejiang Sunlight Illuminating Lamp Co ltd; Yingtan Yankon Lighting Co ltd; Zhejiang Yankon Group Co Ltd
Current assignee: Zhejiang Sunlight Illuminating Lamp Co ltd; Yingtan Yankon Lighting Co ltd; Zhejiang Yankon Group Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2022-05-27
Anticipated expiration: 2039-12-31
Also published as: CN111031636A

Abstract

The invention discloses a light-operated LED lamp circuit capable of setting a working mode, which comprises a rectifying filter circuit, an LED light-emitting module, a constant current driving circuit, a voltage stabilizing circuit, a microprocessor circuit, a sunlight detection circuit and a remote control receiving circuit, wherein the microprocessor circuit is provided with a working mode and a sleep mode, and is provided with a remote control working mode, a flow working mode and a sleep mode; the method has the advantages that on the basis of low cost and low power consumption, the working mode can be set according to the user requirements, and the actual requirements of different users can be met.

Description

Light-operated LED lamp circuit capable of setting working mode

Technical Field

The invention relates to a light-operated LED lamp circuit, in particular to a light-operated LED lamp circuit capable of setting a working mode.

Background

With the emergence and popularization of intelligent lighting, people-oriented lighting concepts are continuously emerging, and intelligent LED lighting products with novel characteristics are continuously emerging. The intelligent LED lighting product meets the requirements of users as much as possible in the aspects of functions, cost, energy conservation and the like.

The conventional intelligent LED lamp has the networking function, and if the intelligent LED lamp can be connected with a control center with a powerful function, the functions of controlling the intelligent LED lamp to be on and off, and being in different brightness states at different time and the like can be easily controlled according to the specific requirements of a user, so that various different lighting requirements of the user are met. However, the intelligent LED lamp has high standby power consumption, and the manufacturing cost and the use cost of the lamp are high. Many users prefer to use LED fixtures that have cost advantages and meet specific requirements in specific use situations. The light-operated LED lamp applied to corridor and outdoor lighting occasions is used as an LED lamp matched with a specific use occasion, and can automatically light up when falling at night on the premise of not needing special operation, so that necessary lighting is brought for people; when people are quiet at night and do not need illumination, the lamp can be automatically turned off or the low-brightness light-emitting state can be kept, so that unnecessary electric energy waste is avoided; when the day comes, the lamp can be automatically turned off, and the lamp is in a standby state with low power consumption. Compared with the conventional intelligent LED lamp, the light-operated LED lamp has the advantages that on the basis of meeting basic use requirements, the power consumption and the cost are low, and the light-operated LED lamp is widely applied. However, the lighting mode of the existing light-operated LED lamp is uniquely set when the light-operated LED lamp leaves a factory, and the existing light-operated LED lamp works according to the set working mode regardless of day or night, and the actual lamp requirements of different users on the working mode are not necessarily the same, so that the light-operated LED lamp is difficult to meet the use requirements of different users.

Disclosure of Invention

The invention aims to solve the technical problem of providing a light-operated LED lamp circuit which has multiple control modes on the basis of low cost and low standby power consumption, and can meet the actual requirements of different users by selecting a proper working mode according to the requirements of the users.

The technical scheme adopted by the invention for solving the technical problems is as follows: a light-operated LED lamp circuit capable of setting a working mode comprises a rectifying and filtering circuit, an LED light-emitting module, a constant-current driving circuit, a voltage stabilizing circuit, a microprocessor circuit, a sunlight detection circuit and a remote control receiving circuit, wherein the rectifying and filtering circuit is connected with commercial power and used for converting alternating-current voltage of the commercial power into direct-current voltage, the constant-current driving circuit is connected with the rectifying and filtering circuit and used for converting the direct-current voltage output by the rectifying and filtering circuit into direct current, the constant-current driving circuit is connected with the LED light-emitting module, the LED light-emitting module realizes the functions of light emitting, non-light emitting and brightness adjustment under the control of the constant-current driving circuit, the voltage stabilizing circuit is connected with the rectifying and filtering circuit or connected with the constant-current driving circuit, when the voltage stabilizing circuit is connected with the rectifying and filtering circuit, the voltage stabilizing circuit converts the direct-current voltage output by the rectifying and filtering circuit into constant voltage to provide working voltage for the remote control receiving circuit, the sunlight detection circuit and the microprocessor circuit, when the voltage stabilizing circuit is connected with the constant-current driving circuit, the voltage stabilizing circuit converts the direct-current voltage output by the constant-current driving circuit into constant voltage to provide working voltage for the remote control receiving circuit, the sunlight detection circuit and the microprocessor circuit, and the microprocessor circuit is respectively connected with the remote control receiving circuit, the sunlight detection circuit and the constant-current driving circuit. The microprocessor circuit is provided with a remote control working mode, a flow working mode and a sleep mode, a wake-up voltage threshold and a plurality of working modes under the flow working mode are prestored in the microprocessor circuit, any one of the working modes is set with a luminous brightness and working time corresponding to the luminous brightness, or is provided with gradually-changed and sequentially-arranged luminous brightness and working time corresponding to each luminous brightness, or is set with a value of 0 representing the luminous brightness of light-off and the working time corresponding to the luminous brightness, the starting time of each working mode is calculated from the moment of 0, and a user can use the microprocessor circuit to calculate the working mode according to the working mode when the user turns off the light, so that the user can use the microprocessor circuit to control the lighting mode according to the working modeThe control terminal sends a working mode selection instruction to the remote control receiving circuit, the remote control receiving circuit generates a corresponding working mode selection signal to the microprocessor circuit according to the working mode selection instruction, the microprocessor circuit selects a corresponding working mode as a set working mode, the priority of the remote control working mode of the microprocessor circuit is higher than that of a flow working mode and a sleep mode, when the microprocessor circuit is in the flow working mode or the sleep mode, if the microprocessor circuit receives a light-up instruction sent by the remote control receiving circuit, the microprocessor circuit enters the remote control working mode, at the moment, the light-operated LED lamp circuit enters a remote control light-up state, and when the microprocessor circuit receives a light-down instruction sent by the remote control receiving circuit, the light-operated LED lamp circuit enters a remote control light-off state, when the light-operated LED lamp circuit is in a remote control light-on state, the microprocessor circuit is in a normal working state and outputs a control signal with the highest brightness to control the output current of the constant current drive circuit to be the maximum current, the LED light-emitting module emits light with the maximum light-emitting brightness, when the light-operated LED lamp circuit is in the remote control light-off state, the microprocessor circuit keeps the normal working state and outputs the control signal for light-off to control the output current of the constant current drive circuit to be zero, and the LED light-emitting module does not emit light,in thatThe light-operated LED lamp circuit is in a remote control light-off state, the microprocessor circuit periodically acquires a voltage signal output by the sunlight detection circuit, when the acquired voltage signal output by the sunlight detection circuit is larger than or equal to a wake-up voltage threshold value, the microprocessor circuit keeps a normal working state, if the acquired voltage signal is smaller than the wake-up voltage threshold value, the microprocessor circuit enters a sleep mode, the microprocessor circuit controls the constant-current drive circuit to keep no current output to the LED light-emitting module, the LED light-emitting module does not emit light, the light-operated LED lamp circuit enters a low-power-consumption standby working state, and the microprocessor enables the self power consumption and the constant-current drive circuit to be in a standby working stateWhen the microprocessor circuit is in a sleep mode, when the voltage output by the sunlight detection circuit is changed from being smaller than a wake-up voltage threshold to being larger than or equal to the wake-up voltage threshold, the sunlight detection circuit wakes up the microprocessor circuit, the microprocessor circuit enters a flow working mode, the time point when the sunlight detection circuit wakes up the microprocessor circuit is 0 point, the 0 point is used as the starting time of a set working mode of the microprocessor circuit, at the moment, the microprocessor circuit outputs a corresponding control signal according to the set working mode within the set corresponding working time, so that the constant current driving circuit outputs current with corresponding magnitude to control the LED light-emitting module to emit light according to corresponding light-emitting brightness, and during the process working mode of the microprocessor circuit, the microprocessor circuit periodically outputs a control signal to the constant current driving circuit to enable the constant current driving circuit to control the LED light-emitting module to periodically and temporarily not emit light, the microprocessor circuit acquires a voltage signal output by the sunlight detection circuit within the temporary non-light-emitting time, if the acquired voltage signal is greater than or equal to a wake-up voltage threshold value, the microprocessor circuit keeps a flow working mode, and if the acquired voltage signal is smaller than the wake-up voltage threshold value, the microprocessor circuit is switched from the flow working mode to a sleep mode.

The circuit comprises a microprocessor circuit and a constant current driving circuit, wherein the microprocessor circuit is internally provided with time periods, when the circuit is in a remote control light-off state, the microprocessor circuit acquires a voltage signal output by the sunlight detection circuit within a preset short time in each time period, and when the circuit is in a flow working mode, the microprocessor circuit enables the output current of the constant current driving circuit to be zero within the preset short time to acquire the voltage signal output by the sunlight detection circuit within each time period. In the circuit, the sunlight detection circuit is prevented from being influenced by light rays emitted by the LED light emitting module, so that the sunlight detection circuit can correctly detect the sunlight intensity, and the control precision is improved.

The light-operated LED lamp circuit also comprises a zero voltage detection circuit, wherein the zero voltage detection circuit outputs a 0 level signal at the moment when the mains voltage is zero, and outputs a 1 level at the moment when the mains voltage is not zero, the microprocessor circuit is connected with the zero voltage detection circuit, when the light-operated LED lamp circuit is in a remote control light-out state, the microprocessor circuit obtains a voltage signal output by the sunlight detection circuit within a preset short time after receiving the 0 voltage signal, and when the light-operated LED lamp circuit is in a flow working mode, the microprocessor circuit makes the output current of the constant current driving circuit zero within a preset short time after receiving the 0 voltage signal, so that a voltage signal output by the sunlight detection circuit is obtained. In the circuit, the timing for acquiring the voltage signal output by the sunlight detection circuit when the zero voltage detection circuit judges the remote control light-out state and the flow working mode can be used for not only preventing the sunlight detection circuit from being influenced by light rays emitted by the LED light-emitting module, enabling the sunlight detection circuit to correctly detect the sunlight intensity and improving the control precision, but also preventing mutual optical interference when a plurality of same light-operated LED lamp circuits are used together.

The rectifying and filtering circuit is provided with a live wire input end, a zero line input end, an output end and a grounding end, the LED light-emitting module is provided with an anode and a cathode, the constant-current driving circuit is provided with an anode, a control end, a current output end, a voltage output end and a grounding end, the voltage stabilizing circuit is provided with an anode, a cathode and an output end, the remote control receiving circuit is provided with an anode, a cathode and an output end, the zero voltage detection circuit is provided with a live wire input end, a zero line input end and an output end, the sunlight detection circuit is provided with an anode, a cathode, a remote control signal input end, a sunlight signal input end, a zero voltage input end and an output end, the live wire input end of the rectifying and filtering circuit is used for connecting a live wire of commercial power, the zero line input end of the rectifying and filtering circuit is used for connecting a zero line of the commercial power, the live wire input end of the zero voltage detection circuit is connected with the live wire input end of the rectification filter circuit, the zero line input end of the rectification filter circuit is connected with the zero line input end of the zero voltage detection circuit, the output end of the rectification filter circuit is respectively connected with the anode of the LED light-emitting module and the anode of the constant current driving circuit, the cathode of the LED light-emitting module is connected with the current output end of the constant current driving circuit, the voltage output end of the constant current driving circuit is connected with the anode of the voltage stabilizing circuit, the output end of the voltage stabilizing circuit is respectively connected with the anode of the remote control receiving circuit, the anode of the sunlight detection circuit and the anode of the microprocessor circuit, the remote control signal input end of the microprocessor circuit is connected with the output end of the remote control receiving circuit, the sunlight signal input end of the microprocessor circuit is connected with the output end of the sunlight detection circuit, the zero voltage signal input end of the microprocessor circuit is connected with the output end of the zero voltage detection circuit, the output end of the microprocessor circuit is connected with the control end of the constant current drive circuit, and the grounding end of the rectification filter circuit, the grounding end of the constant current drive circuit, the negative electrode of the voltage stabilizing circuit, the negative electrode of the remote control receiving circuit and the negative electrode of the sunlight detection circuit are connected with the negative electrode of the microprocessor circuit.

The zero voltage detection circuit comprises a first resistor, a second resistor and a third resistor, wherein one end of the first resistor is a live wire input end of the zero voltage detection circuit, one end of the second resistor is a zero line input end of the zero voltage detection circuit, the other end of the first resistor, the other end of the second resistor and one end of the third resistor are connected, and the other end of the third resistor is an output end of the zero voltage detection circuit.

The microprocessor circuit comprises a fourth resistor, a fifth resistor, a first capacitor, a first diode and a first integrated circuit chip, wherein the first diode is a voltage stabilizing diode, the first integrated circuit chip is a single chip microcomputer chip, the single chip microcomputer chip at least comprises a positive electrode pin and a negative electrode pin which are connected with a power supply, a PWM output pin with a PWM output function, a general output pin with a common function, two input pins with an interruption function and an input pin with a general input function, the positive electrode pin of the single chip microcomputer chip is the positive electrode of the microprocessor circuit, the PWM output pin of the single chip microcomputer chip is the output end of the microprocessor circuit, the general output pin of the single chip microcomputer chip is connected with one end of the fifth resistor, the other end of the fifth resistor is connected with the input pin with the interruption function, and the connecting end of the fifth resistor is the sunlight signal input end of the microprocessor circuit The other input pin with interrupt function of the single chip is the remote control signal input end of the microprocessor circuit, the input pin with general input function of the single chip, one end of the fourth resistor, the cathode of the first diode and one end of the first capacitor are connected, the connecting end of the first diode and one end of the first capacitor are connected, the zero voltage input end of the microprocessor circuit is the negative electrode of the single chip, the other end of the fourth resistor, the anode of the first diode and the other end of the first capacitor are connected, and the connecting end of the first diode and the other end of the first diode are connected.

The sunlight detection circuit comprises a sixth resistor and a phototriode, the collector of the phototriode is the anode of the sunlight detection circuit, the emitter of the phototriode is connected with one end of the sixth resistor, the connecting end of the emitter of the phototriode is the output end of the sunlight detection circuit, and the other end of the sixth resistor is the cathode of the sunlight detection circuit.

The remote control receiving circuit comprises a remote control receiving module, a seventh resistor, an eighth resistor and a second capacitor, the remote control receiving module adopts a low-power consumption infrared remote control receiving module which is provided with a positive pole, a negative pole and an output pin, the second capacitor is an electrolytic capacitor, one end of the seventh resistor is connected with one end of the eighth resistor, and the connecting end of the seventh resistor is the anode of the remote control receiving circuit, the other end of the seventh resistor is connected with the output pin of the infrared remote control receiving module, the connecting end of the seventh resistor is the output end of the remote control receiving circuit, the anode of the infrared remote control receiving module and the other end of the eighth resistor are connected with the anode of the second capacitor, and the cathode of the infrared remote control receiving module is connected with the cathode of the second capacitor, and the connecting end of the infrared remote control receiving module is the cathode of the remote control receiving circuit.

The voltage stabilizing circuit comprises a third capacitor, a fourth capacitor and a second integrated circuit chip, wherein the third capacitor is an electrolytic capacitor, the second integrated circuit chip is a three-terminal LDO chip, the LDO chip is provided with an input pin, an output pin and a grounding pin, the input pin of the LDO is connected with the anode of the third capacitor, the connecting end of the input pin is the input end of the voltage stabilizing circuit, the output pin of the LDO is connected with one end of the fourth capacitor, the connecting end of the output pin is the output pin of the stabilized voltage, the grounding pin of the LDO, the cathode of the third capacitor is connected with the other end of the fourth capacitor, and the connecting end of the grounding pin is the cathode of the voltage stabilizing circuit.

The constant current driving circuit comprises a ninth resistor, a tenth resistor, an eleventh resistor and a third integrated circuit chip, wherein the third integrated circuit chip is a linear constant current driving circuit with a direct current voltage output function, the model is HZ2002BA, the 1 st pin of the third integrated circuit chip is a voltage output end of the constant current driving circuit, the 2 nd pin of the third integrated circuit chip is a control end of the constant current driving circuit, the 4 th pin of the third integrated circuit chip, one end of the tenth resistor and one end of the eleventh resistor are connected, the 5 th pin of the third integrated circuit chip is connected with one end of the ninth resistor, the 7 th pin of the third integrated circuit chip is a current output end of the constant current driving circuit, the 8 th pin of the third integrated circuit chip is connected with the other end of the tenth resistor, and the connecting end of the third integrated circuit chip is the anode of the constant current driving circuit, the bottom electrode of the third integrated circuit chip, the other end of the ninth resistor and the other end of the eleventh resistor are connected, and the connecting end of the ninth resistor and the eleventh resistor is the negative electrode of the constant current driving circuit. In the circuit, the third integrated circuit chip has the capability of outputting direct-current voltage, can provide electric energy required by a single chip microcomputer, simplifies the design of a light-operated LED lamp circuit, has the characteristic of constant power, and increases the adaptability of the constant-current driving circuit to mains supply voltage.

Rectifier filter circuit include full-bridge rectifier circuit chip and fifth electric capacity, the fifth electric capacity be electrolytic capacitor, the 1 st foot of full-bridge rectifier circuit chip be defeated rectifier filter circuit's live wire input, the 3 rd foot of full-bridge rectifier circuit chip be defeated rectifier filter circuit's zero line input, the 2 nd foot of full-bridge rectifier circuit chip with the positive pole of fifth electric capacity connect and its link do rectifier filter circuit's output, the 4 th foot of full-bridge rectifier circuit chip with the negative pole of fifth electric capacity connect and its link do rectifier filter circuit's earthing terminal.

The LED light-emitting module is manufactured by a mature process through a plurality of LED luminous bodies and is provided with two connecting ports, namely a positive electrode and a negative electrode.

Compared with the prior art, the light-operated LED lamp circuit has the advantages that the light-operated LED lamp circuit is formed by the rectifying and filtering circuit, the LED light-emitting module, the constant-current driving circuit, the voltage stabilizing circuit, the microprocessor circuit, the sunlight detection circuit and the remote control receiving circuit, the rectifying and filtering circuit is connected with commercial power and used for converting alternating-current voltage of the commercial power into direct-current voltage, the constant-current driving circuit is connected with the rectifying and filtering circuit and used for converting the direct-current voltage output by the rectifying and filtering circuit into direct current, the constant-current driving circuit is connected with the LED light-emitting module, the LED light-emitting module achieves the functions of light emitting, non-light emitting and brightness adjusting under the control of the constant-current driving circuit, the voltage stabilizing circuit is connected with the rectifying and filtering circuit or connected with the constant-current driving circuit, and when the voltage stabilizing circuit is connected with the rectifying and filtering circuit, the voltage stabilizing circuit converts the direct-current voltage output by the rectifying and filtering circuit into constant voltage to be used as the remote control receiving circuit, The sunlight detection circuit and the microprocessor circuit provide working voltage, when the voltage stabilizing circuit is connected with the constant current driving circuit, the voltage stabilizing circuit converts the direct current voltage output by the constant current driving circuit into constant voltage to provide working voltage for the remote control receiving circuit, the sunlight detection circuit and the microprocessor circuit, and the microprocessor circuit is respectively connected with the remote control receiving circuit, the sunlight detection circuit and the constant current driving circuitThen, the microprocessor circuit has a remote control working mode, a flow working mode and a sleep mode, the microprocessor circuit is internally pre-stored with a wake-up voltage threshold and a plurality of working modes under the flow working mode, any one of the plurality of working modes is set with a luminous brightness and a working time corresponding to the luminous brightness, or is provided with a gradually changed and sequentially arranged luminous brightness and a working time corresponding to each luminous brightness, or is set with a value of 0 representing the luminous brightness of the light-out and a working time corresponding to the luminous brightness, the starting time of each working mode is calculated from the moment 0, a user sends a working mode selection instruction to the remote control receiving circuit through the control terminal, the remote control receiving circuit generates a corresponding working mode selection signal to the microprocessor circuit according to the working mode selection instruction, and the microprocessor circuit selects the corresponding working mode as the set working mode, the priority of the remote control working mode of the microprocessor circuit is higher than that of the flow working mode and the sleep mode, when the microprocessor circuit is in the flow working mode or the sleep mode, if the microprocessor circuit receives a light-up instruction sent by the remote control receiving circuit, the microprocessor circuit enters the remote control working mode, at the moment, the light-operated LED lamp circuit enters the remote control light-up state, when the microprocessor circuit receives a light-down instruction sent by the remote control receiving circuit, the light-operated LED lamp circuit enters the remote control light-down state, when the light-operated LED lamp circuit is in the remote control light-up state, the microprocessor circuit is in the normal working state, and outputs a control signal with the highest brightness to control the output current of the constant current driving circuit to be the maximum current, the LED light-emitting module emits light with the maximum light-emitting brightness, when the light-operated LED lamp circuit is in the remote control light-down state, the microprocessor circuit keeps the normal working state, and the control signal for outputting the light-out controls the output current of the constant current driving circuit to be zero, the LED light-emitting module does not emit light,in thatWhen the light-operated LED lamp circuit is in a remote control light-off state, the microprocessor circuit periodically acquires a voltage signal output by the sunlight detection circuit, when the acquired voltage signal output by the sunlight detection circuit is larger than or equal to a wake-up voltage threshold value, the microprocessor circuit keeps a normal working state unchanged, and if the acquired voltage signal is smallWhen the microprocessor circuit is in the sleep mode, when the voltage output by the sunlight detection circuit is changed from being less than the wake-up voltage threshold value to being more than or equal to the wake-up voltage threshold value, the sunlight detection circuit wakes up the microprocessor circuit, the microprocessor circuit enters the flow working mode, the time when the sunlight detection circuit wakes up the microprocessor circuit is 0 point, the 0 point is used as the starting time of the set working mode of the microprocessor circuit, and at the moment, the microprocessor circuit is in the set working mode within the set corresponding working time, outputting a corresponding control signal to enable the constant current drive circuit to output current with corresponding magnitude to control the LED light-emitting module to emit light according to corresponding light-emitting brightness, periodically outputting the control signal to the constant current drive circuit by the microprocessor circuit during the process working mode of the microprocessor circuit, enabling the constant current drive circuit to control the LED light-emitting module to periodically and temporarily not emit light, acquiring a voltage signal output by the sunlight detection circuit by the microprocessor circuit during the temporary non-light-emitting time, if the acquired voltage signal is greater than or equal to a wake-up voltage threshold, keeping the process working mode by the microprocessor circuit, and if the acquired voltage signal is less than the wake-up voltage threshold, switching the process working mode to a sleep mode by the microprocessor circuit, thereby the light-controlled LED lamp circuit has the common functions of remotely controlling the lamp to be on the basis of low cost and low standby power consumption, the working mode can be set according to the user requirements, and the actual requirements of different users can be met.

Drawings

Fig. 1 is a block diagram of a first embodiment of a light-operated LED lamp circuit capable of setting an operation mode according to the present invention;

fig. 2 is a block diagram of a second embodiment of the light-controlled LED lamp circuit capable of setting an operation mode according to the present invention;

fig. 3 is a circuit diagram of a second embodiment of the light-controlled LED lamp circuit capable of setting an operation mode according to the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

The first embodiment is as follows: as shown in figure 1, the light-operated LED lamp circuit capable of setting the working mode comprises a rectifying and filtering circuit, an LED light-emitting module, a constant current driving circuit, a voltage stabilizing circuit, a microprocessor circuit, a sunlight detection circuit and a remote control receiving circuit, wherein the rectifying and filtering circuit is connected with mains supply and used for converting alternating current voltage of the mains supply into direct current voltage, the constant current driving circuit is connected with the rectifying and filtering circuit and used for converting the direct current voltage output by the rectifying and filtering circuit into direct current, the constant current driving circuit is connected with the LED light-emitting module, the LED light-emitting module realizes the functions of light emitting, non-light emitting and brightness adjustment under the control of the constant current driving circuit, the voltage stabilizing circuit is connected with the rectifying and filtering circuit or the constant current driving circuit, and when the voltage stabilizing circuit is connected with the rectifying and filtering circuit, the voltage stabilizing circuit converts the direct current voltage output by the rectifying and filtering circuit into constant voltage serving as the remote control receiving circuit, the remote control receiving circuit and the remote control receiving circuit, The sunlight detection circuit and the microprocessor circuit provide working voltage, when the voltage stabilizing circuit is connected with the constant current driving circuit, the voltage stabilizing circuit converts the direct-current voltage output by the constant current driving circuit into constant voltage to provide the working voltage for the remote control receiving circuit, the sunlight detection circuit and the microprocessor circuit, and the microprocessor circuit is respectively connected with the remote control receiving circuit, the sunlight detection circuit and the constant current driving circuit; the microprocessor circuit has a remote control working mode, a flow working mode and a dormancy mode, a plurality of working modes under the awakening voltage threshold value and the flow working mode are prestored in the microprocessor circuit, any one of the plurality of working modes is set with a luminous brightness and working time corresponding to the luminous brightness, or is set with the luminous brightness which is gradually changed and arranged in sequence and the working time corresponding to each luminous brightness, or is set with the luminous brightness which is 0 and represents the light-off and the working time corresponding to the luminous brightness, the starting time of each working mode is calculated from the 0 moment, a user sends a working mode selection instruction to the remote control receiving circuit through the control terminal, and the remote control receiving circuit sends a working mode selection instruction to the remote control receiving circuit according to the remote control working mode, the flow working mode and the dormancy modeThe working mode selection instruction generates a corresponding working mode selection signal to the microprocessor circuit, the microprocessor circuit selects the corresponding working mode as a set working mode, the priority of the remote control working mode of the microprocessor circuit is higher than that of the flow working mode and the sleep mode, when the microprocessor circuit is in the flow working mode or the sleep mode, if the microprocessor circuit receives a light-up instruction sent by the remote control receiving circuit, the microprocessor circuit enters the remote control working mode, at the moment, the light-operated LED lamp circuit enters the remote control light-up state, when the microprocessor circuit receives the light-down instruction sent by the remote control receiving circuit, the light-operated LED lamp circuit enters the remote control light-down state, when the light-operated LED lamp circuit is in the remote control light-up state, the microprocessor circuit is in the normal working state, and outputs a control signal with the highest brightness to control the output current of the constant current driving circuit to be the maximum current, the LED light-emitting module emits light with the maximum light-emitting brightness, when the light-operated LED lamp circuit is in a remote light-off state, the microprocessor circuit keeps a normal working state, and outputs a light-off control signal to control the output current of the constant current driving circuit to be zero, the LED light-emitting module does not emit light,in thatWhen the light-operated LED lamp circuit is in a remote control light-off state, the microprocessor circuit periodically acquires a voltage signal output by the sunlight detection circuit, when the acquired voltage signal output by the sunlight detection circuit is greater than or equal to a wake-up voltage threshold value, the microprocessor circuit keeps a normal working state, if the acquired voltage signal is less than the wake-up voltage threshold value, the microprocessor circuit enters a sleep mode, the microprocessor circuit controls the constant current driving circuit to keep no current output to the LED light-emitting module, the LED light-emitting module does not emit light, the light-operated LED lamp circuit enters a low-power consumption standby working state, the microprocessor enables the self power consumption and the power consumption of the constant current driving circuit to be in a lowest micro power consumption state, when the microprocessor circuit is in the sleep mode, when the voltage output by the sunlight detection circuit is changed from being less than the wake-up voltage threshold value to being greater than or equal to the wake-up voltage threshold value, the sunlight detection circuit wakes up the microprocessor circuit, the microprocessor circuit enters a flow working mode, the time when the sunlight detection circuit wakes up the microprocessor circuit is 0 point, and the 0 point is used as a set working party of the microprocessor circuitAnd during the transient non-light-emitting time, the microprocessor circuit acquires a voltage signal output by the sunlight detection circuit, if the acquired voltage signal is greater than or equal to a wake-up voltage threshold, the microprocessor circuit keeps the flow working mode, and if the acquired voltage signal is less than the wake-up voltage threshold, the microprocessor circuit is switched from the flow working mode to the sleep mode.

In this embodiment, a time period is set in the microprocessor circuit, when the circuit is in a remote control light-off state, the microprocessor circuit acquires a voltage signal output by the daylight detection circuit within a preset short time in each time period, and when the circuit is in a flow working mode, the microprocessor circuit makes an output current of the constant current driving circuit zero within a preset short time in each time period to acquire a voltage signal output by the daylight detection circuit. The preset short time is determined according to actual needs, and the condition that the naked eyes of a user cannot feel turning off the lamp is guaranteed.

Example two: as shown in fig. 2, a light-operated LED lamp circuit capable of setting a working mode includes a rectifying and filtering circuit, an LED light-emitting module, a constant current driving circuit, a voltage stabilizing circuit, a microprocessor circuit, a sunlight detection circuit and a remote control receiving circuit, the rectifying and filtering circuit is connected to the commercial power for converting the ac voltage of the commercial power into a dc voltage, the constant current driving circuit is connected to the rectifying and filtering circuit for converting the dc voltage output by the rectifying and filtering circuit into a dc current, the constant current driving circuit is connected to the LED light-emitting module, the LED light-emitting module realizes light emitting, non-light emitting and brightness adjusting functions under the control of the constant current driving circuit, the voltage stabilizing circuit is connected to the rectifying and filtering circuit or connected to the constant current driving circuit, and when the voltage stabilizing circuit is connected to the rectifying and filtering circuit, the voltage stabilizing circuit stabilizes the voltage of the LED light and adjusts brightness of the LED light under the control of the constant current driving circuitThe circuit converts the direct-current voltage output by the rectifying and filtering circuit into constant voltage to provide working voltage for the remote control receiving circuit, the sunlight detection circuit and the microprocessor circuit, when the voltage stabilizing circuit is connected with the constant-current driving circuit, the voltage stabilizing circuit converts the direct-current voltage output by the constant-current driving circuit into the constant voltage to provide the working voltage for the remote control receiving circuit, the sunlight detection circuit and the microprocessor circuit, and the microprocessor circuit is respectively connected with the remote control receiving circuit, the sunlight detection circuit and the constant-current driving circuit. The microprocessor circuit has a remote control working mode, a flow working mode and a sleep mode, a wake-up voltage threshold and a plurality of working modes under the flow working mode are pre-stored in the microprocessor circuit, any one of the plurality of working modes is set with a luminous brightness and working time corresponding to the luminous brightness, or is provided with the luminous brightness which is gradually changed and arranged in sequence and the working time corresponding to each luminous brightness, or is set with the luminous brightness which represents light-off and the working time corresponding to the luminous brightness, the starting time of each working mode is calculated from 0 moment, a user sends a working mode selection instruction to the remote control receiving circuit through the control terminal, the remote control receiving circuit generates a corresponding working mode selection signal to the microprocessor circuit according to the working mode selection instruction, and the microprocessor circuit selects the corresponding working mode as the set working mode, the remote control mode of operation of the microprocessor circuit has a higher priority than the flow mode of operation and the sleep mode, and when the microprocessor circuit is in the flow mode of operation or the sleep mode, if the microprocessor circuit receives a light-up instruction sent by the remote control receiving circuit, the microprocessor circuit enters a remote control working mode, at the moment, the light-operated LED lamp circuit enters a remote control light-up state, when the remote control is in a light-on state, if the microprocessor circuit receives a light-off command sent by the remote control receiving circuit, the light-operated LED lamp circuit enters a remote control light-off state, when the light-operated LED lamp circuit is in a remote control lighting state, the microprocessor circuit is in a normal working state, and the control signal of the highest luminance is output to control the output current of the constant current drive circuit to be the maximum current, the LED light-emitting module emits light with the maximum light-emitting brightness, and when the light-operated LED lamp circuit is in a remote control light-off state, the light-operated LED lamp circuit is small.The processor circuit keeps normal working state, and outputs the control signal of turning off the light to control the output current of the constant current drive circuit to be zero, the LED light-emitting module does not emit light,in thatWhen the light-operated LED lamp circuit is in a remote control light-off state, the microprocessor circuit periodically acquires a voltage signal output by the sunlight detection circuit, when the acquired voltage signal output by the sunlight detection circuit is greater than or equal to a wake-up voltage threshold value, the microprocessor circuit keeps a normal working state, if the acquired voltage signal is less than the wake-up voltage threshold value, the microprocessor circuit enters a sleep mode, the microprocessor circuit controls the constant current driving circuit to keep no current output to the LED light-emitting module, the LED light-emitting module does not emit light, the light-operated LED lamp circuit enters a low-power consumption standby working state, the microprocessor enables the self power consumption and the power consumption of the constant current driving circuit to be in a lowest micro power consumption state, when the microprocessor circuit is in the sleep mode, when the voltage output by the sunlight detection circuit is changed from being less than the wake-up voltage threshold value to being greater than or equal to the wake-up voltage threshold value, the sunlight detection circuit wakes up the microprocessor circuit, the microprocessor circuit enters a flow working mode, the moment when the sunlight detection circuit wakes up the microprocessor circuit is a point 0, the point 0 is used as the starting time of the set working mode of the microprocessor circuit, at the moment, the microprocessor circuit outputs a corresponding control signal according to the set working mode within the set corresponding working time, so that the constant current driving circuit outputs current with corresponding magnitude to control the LED light-emitting module to emit light according to corresponding light-emitting brightness, the microprocessor circuit periodically outputs the control signal to the constant current driving circuit during the flow working mode of the microprocessor circuit, so that the constant current driving circuit controls the LED light-emitting module to periodically and temporarily not emit light, the microprocessor circuit acquires a voltage signal output by the sunlight detection circuit during the temporary non-light-emitting time, and if the acquired voltage signal is greater than or equal to a wake-up voltage threshold value, the microprocessor circuit keeps the flow working mode, if the acquired voltage signal is less than the wake-up voltage threshold, the microprocessor circuit is switched from the process working mode to the sleep mode.

In this embodiment, the light-operated LED lamp circuit further includes a zero voltage detection circuit, the zero voltage detection circuit outputs a 0 level signal at a time when the mains voltage is zero, and outputs a 1 level signal at a time when the mains voltage is not zero, the microprocessor circuit is connected to the zero voltage detection circuit, when the light-off state is remote-controlled, the microprocessor circuit obtains a voltage signal output by the daylight detection circuit within a preset short time after receiving the 0 voltage signal, and when the light-off state is in the process operation mode, the microprocessor circuit makes the output current of the constant current driving circuit zero within a preset short time after receiving the 0 voltage signal, and obtains a voltage signal output by the daylight detection circuit. The preset short time is determined according to actual needs, and the condition that the naked eyes of a user cannot feel turning off the lamp is guaranteed.

As shown in fig. 3, in this embodiment, the rectifying filter circuit has a live wire input terminal, a null wire input terminal, an output terminal and a ground terminal, the LED lighting module has a positive electrode and a negative electrode, the constant current driving circuit has a positive electrode, a control terminal, a current output terminal, a voltage output terminal and a ground terminal, the voltage stabilizing circuit has a positive electrode, a negative electrode and an output terminal, the remote control receiving circuit has a positive electrode, a negative electrode and an output terminal, the zero voltage detecting circuit has a positive electrode, a negative electrode and an output terminal, the microprocessor has a positive electrode, a negative electrode, a remote control signal input terminal, a daylight signal input terminal, a null voltage input terminal and an output terminal, the live wire input terminal of the rectifying filter circuit is used for connecting to the live wire of the utility power, the null wire input terminal of the rectifying filter circuit is used for connecting to the null wire of the utility power, the live wire input terminal of the zero voltage detecting circuit is connected to the input terminal of the rectifying filter circuit, the zero line input end of the rectifying filter circuit is connected with the zero line input end of the zero voltage detection circuit, the output end of the rectifying filter circuit is respectively connected with the anode of the LED light-emitting module and the anode of the constant current driving circuit, the cathode of the LED light-emitting module is connected with the current output end of the constant current driving circuit, the voltage output end of the constant current driving circuit is connected with the anode of the voltage stabilizing circuit, the output end of the voltage stabilizing circuit is respectively connected with the anode of the remote control receiving circuit, the anode of the sunlight detection circuit and the anode of the microprocessor circuit, the remote control signal input end of the microprocessor circuit is connected with the output end of the remote control receiving circuit, the sunlight signal input end of the microprocessor circuit is connected with the output end of the sunlight detection circuit, the zero voltage signal input end of the microprocessing circuit is connected with the output end of the zero voltage detection circuit, and the output end of the microprocessing circuit is connected with the control end of the constant current driving circuit, the ground terminal of the rectification filter circuit, the ground terminal of the constant current drive circuit, the cathode of the voltage stabilizing circuit, the cathode of the remote control receiving circuit, the cathode of the sunlight detection circuit and the cathode of the microprocessing circuit are connected.

As shown in fig. 3, in this embodiment, the zero voltage detection circuit includes a first resistor R1, a second resistor R2, and a third resistor R3, one end of the first resistor R1 is a live line input end of the zero voltage detection circuit, one end of the second resistor R2 is a zero line input end of the zero voltage detection circuit, the other end of the first resistor R1, the other end of the second resistor R2, and one end of the third resistor R3 are connected, and the other end of the third resistor R3 is an output end of the zero voltage detection circuit.

As shown in fig. 3, in this embodiment, the microprocessor circuit includes a fourth resistor R4, a fifth resistor R5, a first capacitor C1, a first diode D1 and a first integrated circuit chip U1, the first diode D1 is a voltage regulator diode, the first integrated circuit chip U1 is a single chip, the single chip has at least a positive pin and a negative pin connected to a power supply, a PWM output pin for PWM output function, a general output pin for general function, two input pins with interrupt function and an input pin with general input function, the positive pin of the single chip is a positive electrode of the microprocessor circuit, the PWM output pin of the single chip is an output terminal of the microprocessor circuit, the general output pin of the single chip is connected to one end of the fifth resistor R5, the other end of the fifth resistor R5 is connected to one input pin with interrupt function of the single chip, and the connection end is a sunlight signal input terminal of the microprocessor circuit, the other input pin with the interrupt function of the single chip microcomputer chip is a remote control signal input end of the microprocessor circuit, the input pin with the general input function of the single chip microcomputer chip, one end of the fourth resistor R4, the cathode of the first diode D1 and one end of the first capacitor C1 are connected, the connecting end of the input pin is a zero-voltage input end of the microprocessor circuit, the cathode of the single chip microcomputer chip, the other end of the fourth resistor R4, the anode of the first diode D1 and the other end of the first capacitor C1 are connected, and the connecting end of the input pin is the cathode of the microprocessor circuit.

As shown in fig. 3, in this embodiment, the sunlight detecting circuit includes a sixth resistor R6 and a phototransistor Q1, a collector of the phototransistor Q1 is an anode of the sunlight detecting circuit, an emitter of the phototransistor Q1 is connected to one end of the sixth resistor R6, a connection end of the emitter is an output end of the sunlight detecting circuit, and another end of the sixth resistor R6 is a cathode of the sunlight detecting circuit.

As shown in fig. 3, in this embodiment, the remote control receiving circuit includes a remote control receiving module M1, a seventh resistor R7, an eighth resistor R8, and a second capacitor C2, the remote control receiving module M1 employs a low power consumption infrared remote control receiving module M1, the low power consumption infrared remote control receiving module M1 has a positive electrode, a negative electrode, and an output pin, the second capacitor C2 is an electrolytic capacitor, one end of the seventh resistor R7 is connected to one end of the eighth resistor R8, and its connection end is the positive electrode of the remote control receiving circuit, the other end of the seventh resistor R7 is connected to the output pin of the infrared remote control receiving module M1, and its connection end is the output end of the remote control receiving circuit, the positive electrode of the infrared remote control receiving module M1, the other end of the eighth resistor R8 is connected to the positive electrode of the second capacitor C2, and the negative electrode of the infrared remote control receiving module M1 is connected to the negative electrode of the second capacitor C2, and its connection end is the negative electrode of the remote control receiving circuit.

As shown in fig. 3, in this embodiment, the voltage regulator includes a third capacitor C3, a fourth capacitor C4, and a second integrated circuit chip U2, the third capacitor C3 is an electrolytic capacitor, the second integrated circuit chip U2 is a three-terminal LDO chip, the LDO chip has an input pin, an output pin, and a ground pin, the input pin of the LDO is connected to the positive electrode of the third capacitor C3, and the connection end of the input pin is the input end of the voltage regulator, the output pin of the LDO is connected to one end of the fourth capacitor C4, and the connection end of the output pin is the output pin of the regulated voltage, the ground pin of the LDO, the negative electrode of the third capacitor C3, and the other end of the fourth capacitor C4 are connected, and the connection end of the output pin is the negative electrode of the voltage regulator.

As shown in fig. 3, in this embodiment, the constant current driving circuit includes a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11 and a third integrated circuit chip U3, the third integrated circuit chip U3 is a linear constant current driving circuit with a dc voltage output function, and is of a model HZ2002BA, the 1 st pin of the third integrated circuit chip U3 is a voltage output terminal of the constant current driving circuit, the 2 nd pin of the third integrated circuit chip U3 is a control terminal of the constant current driving circuit, the 4 th pin of the third integrated circuit chip U3, one end of the tenth resistor R10 and one end of the eleventh resistor R11 are connected, the 5 th pin of the third integrated circuit chip U3 and one end of the ninth resistor R9 are connected, the 7 th pin of the third integrated circuit chip U3 is a current output terminal of the constant current driving circuit, the 8 th pin of the third integrated circuit chip U3 and the other end of the tenth resistor R10 are connected and the positive terminal of the constant current driving circuit, the bottom electrode of the third integrated circuit chip U3, the other end of the ninth resistor R9 and the other end of the eleventh resistor R11 are connected, and the connection end of the bottom electrode and the other end of the ninth resistor R9 is the negative electrode of the constant current driving circuit.

As shown in fig. 3, in this embodiment, the rectifying and filtering circuit includes a full-bridge rectifier chip Db and a fifth capacitor C5, the fifth capacitor C5 is an electrolytic capacitor, the 1 st pin of the full-bridge rectifier chip Db is a live wire input terminal of the input rectifying and filtering circuit, the 3 rd pin of the full-bridge rectifier chip Db is a zero line input terminal of the input rectifying and filtering circuit, the 2 nd pin of the full-bridge rectifier chip Db and the positive electrode of the fifth capacitor C5 are connected, and the connection end thereof is an output end of the rectifying and filtering circuit, the 4 th pin of the full-bridge rectifier chip Db and the negative electrode of the fifth capacitor C5 are connected, and the connection end thereof is a ground end of the rectifying and filtering circuit.

As shown in fig. 3, in the present embodiment, the LED light emitting module is manufactured by using a plurality of LED light emitters (LEDs 1-LEDn) through a mature process, and has two connection ports, i.e., a positive electrode and a negative electrode, where n is an integer greater than or equal to 1.

Claims

1. A light-operated LED lamp circuit capable of setting working modes is characterized by comprising a rectifying and filtering circuit, an LED light-emitting module, a constant-current driving circuit, a voltage stabilizing circuit, a microprocessor circuit, a sunlight detection circuit and a remote control receiving circuit, wherein the rectifying and filtering circuit is connected with mains supply and used for converting alternating-current voltage of the mains supply into direct-current voltage, and the constant-current driving circuit is connected with the rectifying and filtering circuit and used for converting direct-current voltage output by the rectifying and filtering circuit into direct-current voltageThe constant-current drive circuit is connected with the LED light-emitting module, the LED light-emitting module realizes the functions of light emitting, non-light emitting and brightness adjustment under the control of the constant-current drive circuit, the voltage stabilizing circuit is connected with the rectifying and filtering circuit or connected with the constant-current drive circuit, when the voltage stabilizing circuit is connected with the rectifying and filtering circuit, the voltage stabilizing circuit converts the direct-current voltage output by the rectifying and filtering circuit into constant voltage to provide working voltage for the remote control receiving circuit, the sunlight detection circuit and the microprocessor circuit, and when the voltage stabilizing circuit is connected with the constant-current drive circuit, the voltage stabilizing circuit converts the direct-current voltage output by the constant-current drive circuit into constant voltage to be used by the remote control receiving circuit, The sunlight detection circuit and the microprocessor circuit provide working voltage, and the microprocessor circuit is respectively connected with the remote control receiving circuit, the sunlight detection circuit and the constant current driving circuit; the microprocessor circuit is provided with a remote control working mode, a flow working mode and a sleep mode, a plurality of working modes under an awakening voltage threshold value and the flow working mode are prestored in the microprocessor circuit, any one of the plurality of working modes is set with a luminous brightness and working time corresponding to the luminous brightness, or is provided with gradually-changed and sequentially-arranged luminous brightness and working time corresponding to each luminous brightness, or is set with 0-represented luminous brightness for light-off and working time corresponding to the luminous brightness, the starting time of each working mode is calculated from 0 moment, a user sends a working mode selection instruction to the remote control receiving circuit through a control terminal, the remote control receiving circuit generates a corresponding working mode selection signal to the microprocessor circuit according to the working mode selection instruction, the microprocessor circuit selects a corresponding working mode as a set working mode, the priority of the remote control working mode of the microprocessor circuit is higher than that of the flow working mode and the sleep mode, and when the microprocessor circuit is in the flow working mode or the sleep mode, for example, the microprocessor circuit is in the flow working mode or the sleep modeIf the microprocessor circuit receives a light-up instruction sent by the remote control receiving circuit, the microprocessor circuit enters a remote control working mode, the light-operated LED lamp circuit enters a remote control light-up state, when the light-operated LED lamp circuit is in the remote control light-up state, if the microprocessor circuit receives a light-down instruction sent by the remote control receiving circuit, the light-operated LED lamp circuit enters the remote control light-down state, when the light-operated LED lamp circuit is in the remote control light-up state, the microprocessor circuit is in a normal working state and outputs a control signal with the highest brightness to control the output current of the constant current driving circuit to be the maximum current, the LED light-emitting module emits light with the maximum light-emitting brightness, when the light-operated LED lamp circuit is in the remote control light-down state, the microprocessor circuit keeps the normal working state and outputs the control signal for light-down to control the output current of the constant current driving circuit to be zero, the LED light-emitting module does not emit light,in thatThe light-operated LED lamp circuit is in a remote control light-off state, the microprocessor circuit periodically acquires a voltage signal output by the sunlight detection circuit, when the acquired voltage signal output by the sunlight detection circuit is greater than or equal to a wake-up voltage threshold value, the microprocessor circuit keeps a normal working state, if the acquired voltage signal is smaller than the wake-up voltage threshold value, the microprocessor circuit enters a sleep mode, the microprocessor circuit controls the constant current driving circuit to keep no current output to the LED light-emitting module, the LED light-emitting module does not emit light, the light-operated LED lamp circuit enters a low-power consumption standby working state, the microprocessor enables the self power consumption and the power consumption of the constant current driving circuit to be in a lowest micro power consumption state, and when the microprocessor circuit is in the sleep mode, when the voltage output by the sunlight detection circuit is changed from being smaller than the awakening voltage threshold value to being larger than or equal to the awakening voltage threshold value, the sunlight detection circuit awakens the microprocessor circuit, the microprocessor circuit enters a flow working mode, the time when the sunlight detection circuit awakens the microprocessor circuit is 0 point, and the 0 point is used as a set working party of the microprocessor circuitThe microprocessor circuit outputs corresponding control signals within the set corresponding working time according to a set working mode, so that the constant current drive circuit outputs currents with corresponding magnitudes to control the LED light-emitting module to emit light according to corresponding light-emitting brightness, the microprocessor circuit periodically outputs control signals to the constant current drive circuit during the period that the microprocessor circuit is in a process working mode, so that the constant current drive circuit controls the LED light-emitting module to periodically and temporarily not emit light, the microprocessor circuit acquires voltage signals output by the sunlight detection circuit within the temporary non-light-emitting time, if the acquired voltage signals are greater than or equal to a wake-up voltage threshold value, the microprocessor circuit keeps the process working mode, and if the acquired voltage signals are smaller than the wake-up voltage threshold value, the microprocessor circuit is switched from a flow working mode to a sleep mode.

2. The light-operated LED lamp circuit capable of setting an operation mode according to claim 1, wherein the microprocessor circuit has a time period, and when the circuit is in a remote light-off state, the microprocessor circuit obtains the voltage signal output by the daylight detection circuit within a predetermined short time period in each time period, and when the circuit is in a flow operation mode, the microprocessor circuit makes the output current of the constant current driving circuit zero within a predetermined short time period to obtain the voltage signal output by the daylight detection circuit.

3. The light-operated LED lamp circuit capable of setting an operation mode according to claim 1, wherein the light-operated LED lamp circuit further comprises a zero voltage detection circuit, the zero voltage detection circuit outputs a 0 level signal at a time when the utility voltage is zero and outputs a 1 level signal at a time when the utility voltage is not zero, the microprocessor circuit is connected to the zero voltage detection circuit, when the light-off state is remote-controlled, the microprocessor circuit obtains the voltage signal output by the daylight detection circuit within a preset short time after receiving the 0 voltage signal, and when the operation mode is performed, the microprocessor circuit makes the output current of the constant current driving circuit zero within a preset short time after receiving the 0 voltage signal to obtain the voltage signal output by the daylight detection circuit.

4. The light-operated LED lamp circuit capable of setting the working mode as claimed in claim 3, wherein the rectifying filter circuit has a live wire input terminal, a zero line input terminal, an output terminal and a ground terminal, the LED light-emitting module has an anode and a cathode, the constant current driving circuit has an anode, a control terminal, a current output terminal, a voltage output terminal and a ground terminal, the voltage stabilizing circuit has an anode, a cathode and an output terminal, the remote control receiving circuit has an anode, a cathode and an output terminal, the zero voltage detecting circuit has a live wire input terminal, a zero line input terminal and an output terminal, the daylight detecting circuit has an anode, a cathode and an output terminal, the microprocessor has an anode, a cathode, a remote control signal input terminal, a daylight signal input terminal, a zero voltage input terminal and an output terminal, the live wire input terminal of the rectifying filter circuit is used for connecting with the live wire of the commercial power, the zero line input end of the rectification filter circuit is used for being connected with a zero line of commercial power, the live wire input end of the zero voltage detection circuit is connected with the live wire input end of the rectification filter circuit, the zero line input end of the rectification filter circuit is connected with the zero line input end of the zero voltage detection circuit, the output end of the rectification filter circuit is respectively connected with the anode of the LED light-emitting module and the anode of the constant current driving circuit, the cathode of the LED light-emitting module is connected with the current output end of the constant current driving circuit, the voltage output end of the constant current driving circuit is connected with the anode of the voltage stabilizing circuit, the output end of the voltage stabilizing circuit is respectively connected with the anode of the remote control receiving circuit, the anode of the sunlight detection circuit and the anode of the microprocessor circuit, the remote control signal input end of the microprocessor circuit is connected with the output end of the remote control receiving circuit, the sunlight signal input end of the microprocessor circuit is connected with the output end of the sunlight detection circuit, the zero voltage signal input end of the microprocessor circuit is connected with the output end of the zero voltage detection circuit, the output end of the microprocessor circuit is connected with the control end of the constant current drive circuit, and the grounding end of the rectification filter circuit, the grounding end of the constant current drive circuit, the negative electrode of the voltage stabilizing circuit, the negative electrode of the remote control receiving circuit and the negative electrode of the sunlight detection circuit are connected with the negative electrode of the microprocessor circuit.

5. The light-operated LED lamp circuit capable of setting an operation mode according to claim 4, wherein the zero voltage detection circuit comprises a first resistor, a second resistor and a third resistor, one end of the first resistor is a live input end of the zero voltage detection circuit, one end of the second resistor is a neutral input end of the zero voltage detection circuit, the other end of the first resistor, the other end of the second resistor and one end of the third resistor are connected, and the other end of the third resistor is an output end of the zero voltage detection circuit.

6. The light-operated LED lamp circuit capable of setting the working mode as claimed in claim 4, wherein the microprocessor circuit comprises a fourth resistor, a fifth resistor, a first capacitor, a first diode and a first integrated circuit chip, the first diode is a voltage stabilizing diode, the first integrated circuit chip is a single chip, the single chip has at least a positive electrode pin and a negative electrode pin for connecting a power supply, a PWM output pin for PWM output function, a general output pin for general function, two input pins for interruption function and an input pin for general input function, the positive electrode pin of the single chip is the positive electrode of the microprocessor circuit, the PWM output pin of the single chip is the output end of the microprocessor circuit, the general output pin of the single chip is connected with one end of the fifth resistor, the other end of the fifth resistor is connected with one input pin with interrupt function of the single chip microcomputer chip, the connecting end of the input pin with interrupt function is the sunlight signal input end of the microprocessor circuit, the other input pin with interrupt function of the single chip microcomputer chip is the remote control signal input end of the microprocessor circuit, the input pin with universal input function of the single chip microcomputer chip, one end of the fourth resistor, the negative electrode of the first diode and one end of the first capacitor are connected, the connecting end of the input pin with universal input function of the single chip microcomputer chip is the zero voltage input end of the microprocessor circuit, the negative electrode of the single chip microcomputer chip, the other end of the fourth resistor, the positive electrode of the first diode and the other end of the first capacitor are connected, and the connecting end of the negative electrode of the single chip microcomputer chip is the negative electrode of the microprocessor circuit.

7. The light-operated LED lamp circuit capable of setting an operation mode according to claim 4, wherein the daylight detection circuit comprises a sixth resistor and a phototransistor, a collector of the phototransistor is an anode of the daylight detection circuit, an emitter of the phototransistor is connected to one end of the sixth resistor, a connection end of the emitter of the phototransistor and one end of the sixth resistor is an output end of the daylight detection circuit, and another end of the sixth resistor is a cathode of the daylight detection circuit.

8. The light-operated LED lamp circuit capable of setting the working mode according to claim 4, characterized in that the remote control receiving circuit comprises a remote control receiving module, a seventh resistor, an eighth resistor and a second capacitor, the remote control receiving module adopts a low-power consumption infrared remote control receiving module, the low-power consumption infrared remote control receiving module has a positive electrode, a negative electrode and an output pin, the second capacitor is an electrolytic capacitor, one end of the seventh resistor is connected with one end of the eighth resistor, the connection end of the seventh resistor is the positive electrode of the remote control receiving circuit, the other end of the seventh resistor is connected with the output pin of the infrared remote control receiving module, the connection end of the seventh resistor is the output end of the remote control receiving circuit, the positive electrode of the infrared remote control receiving module, the other end of the eighth resistor is connected with the positive electrode of the second capacitor, and the cathode of the infrared remote control receiving module is connected with the cathode of the second capacitor, and the connecting end of the infrared remote control receiving module is the cathode of the remote control receiving circuit.

9. The light-operated LED lamp circuit capable of setting the working mode as claimed in claim 4, wherein the voltage regulator circuit comprises a third capacitor, a fourth capacitor and a second integrated circuit chip, the third capacitor is an electrolytic capacitor, the second integrated circuit chip is a three-terminal LDO chip, the LDO chip has an input pin, an output pin and a ground pin, the input pin of the LDO is connected with the positive electrode of the third capacitor, the connection end of the input pin is the input end of the voltage regulator circuit, the output pin of the LDO is connected with one end of the fourth capacitor, the connection end of the output pin is the output pin of the voltage regulator circuit, the ground pin of the LDO, the negative electrode of the third capacitor and the other end of the fourth capacitor are connected, and the connection end of the output pin is the negative electrode of the voltage regulator circuit.

10. The light-operated LED lamp circuit capable of setting an operation mode according to claim 4, wherein the constant current driving circuit comprises a ninth resistor, a tenth resistor, an eleventh resistor and a third ic chip, the third ic chip is a linear constant current driving circuit with a dc voltage output function, the model is HZ2002BA, the pin 1 of the third ic chip is a voltage output terminal of the constant current driving circuit, the pin 2 of the third ic chip is a control terminal of the constant current driving circuit, the pin 4 of the third ic chip, one terminal of the tenth resistor and one terminal of the eleventh resistor are connected, the pin 5 of the third ic chip and one terminal of the ninth resistor are connected, the pin 7 of the third ic chip is a current output terminal of the constant current driving circuit, the 8 th pin of the third integrated circuit chip is connected with the other end of the tenth resistor, the connecting end of the third integrated circuit chip is the anode of the constant current driving circuit, the bottom electrode of the third integrated circuit chip, the other end of the ninth resistor and the other end of the eleventh resistor are connected, and the connecting end of the third integrated circuit chip is the cathode of the constant current driving circuit.