阅读说明：本技术 一种led广告灯控制电路 (LED advertising lamp control circuit ) 是由 赖微福 于 2021-09-26 设计创作，主要内容包括：本发明涉及控制电路,尤其涉及一种LED广告灯控制电路。要解决的技术问题：提供一种能够实现灯光进行闪烁,达到显目和凸出的效果的LED广告灯控制电路。技术方案是：一种LED广告灯控制电路,包括有电源供电电路、低频振荡器电路、计数器驱动电路、三极管开关电路、施密特比较器电路、光控放大检测电路等；所述低频振荡器电路输出端和计数器驱动电路输入端连接,所述计数器驱动电路输出端分别和三极管驱动电路一、三极管驱动电路二-三极管驱动电路十输入端连接。通过频率设定电位器,可以改变LED模组一和LED模组二-LED模组工十的工作频率。(The invention relates to a control circuit, in particular to an LED advertising lamp control circuit. The technical problem to be solved is as follows: the LED advertising lamp control circuit can realize the flickering of light and achieve the effects of eye display and projection. The technical scheme is as follows: an LED advertising lamp control circuit comprises a power supply circuit, a low-frequency oscillator circuit, a counter driving circuit, a triode switch circuit, a Schmidt comparator circuit, a light-operated amplification detection circuit and the like; the output end of the low-frequency oscillator circuit is connected with the input end of the counter driving circuit, and the output end of the counter driving circuit is respectively connected with the ten input ends of the triode driving circuit I and the triode driving circuit II-triode driving circuit. The working frequency of the LED module I and the working frequency of the LED module II-LED module I can be changed through the frequency setting potentiometer.)

1. An LED advertising lamp control circuit is characterized by comprising a power supply circuit (1), a low-frequency oscillator circuit (4), a counter drive circuit (11), a triode switch circuit (8), a Schmidt comparator circuit (7), a light-operated amplification detection circuit (3), a photoresistor (9), a triode, a drive circuit I, a triode drive circuit II (6) -a triode drive circuit ten (14), an LED module I (10) and an LED module II (16) -an LED module ten (15), wherein the output end of the low-frequency oscillator circuit (4) is connected with the input end of the counter drive circuit (11), the output end of the counter drive circuit (11) is respectively connected with the input ends of the triode drive circuit I (5), the triode drive circuit II (6) -the triode drive circuit ten (14), the output end of the triode drive circuit I (5) is connected with the input end of the LED module I (10), the LED constant current source comprises a triode drive circuit II (6) and an LED module II (16), wherein the input end of the triode drive circuit II (14) is connected with the input end of the LED module III (15), the output end of a Schmidt comparator circuit (7) is connected with the input end of a triode switch circuit (8), the output end of the triode switch circuit (8) is respectively connected with the input ends of a low-frequency oscillator circuit (4) and a counter drive circuit (11), the output end of a photoresistor (9) is connected with the input end of a light-operated amplification detection circuit (3), the output end of the light-operated amplification detection circuit (3) is connected with the input end of the Schmidt comparator circuit (7), and a power supply circuit (1) is a low-frequency oscillator circuit (4), a counter drive circuit (11), a triode switch circuit (8), a Schmidt comparator circuit (7), a light-operated amplification detection circuit (3), The LED light source is characterized in that a photoresistor (9) is powered by a triode, a first driving circuit, a second triode driving circuit (6) -a tenth triode driving circuit (14), a first LED module (10) and a second LED module (16) -a tenth LED module (15).

2. The LED advertising lamp control circuit according to claim 1, further comprising a frequency setting potentiometer (2), wherein an output end of the frequency setting potentiometer (2) is connected with an input end of the low-frequency oscillator circuit (4), and the power supply circuit (1) supplies power to the frequency setting potentiometer (2).

3. The LED advertising lamp control circuit according to claim 2, further comprising a discharge capacitor bank (12) and a switch (13), wherein an output end of the discharge capacitor bank (12) is connected with an input end of the switch (13), an output end of the switch (13) is connected with an input end of the Schmidt comparator circuit (7), and the power supply circuit (1) supplies power to the discharge capacitor bank (12) and the switch (13).

4. The LED advertising lamp control circuit according to claim 3, wherein the light-operated amplification detection circuit (3) comprises an electrolytic capacitor EC1, an NPN triode Q5 and a resistor R5, the base of the NPN triode Q5 is connected with the electrolytic capacitor EC1 and a photoresistor (9) in series, the photoresistor (9) is connected with the resistor R5, and the collector of the photoresistor (9), the electrolytic capacitor EC1 and the NPN triode Q5 are connected with + 12V.

5. The LED advertising lamp control circuit according to claim 4, wherein the Schmitt comparator circuit (7) comprises an NPN transistor Q6, an electrolytic capacitor EC2, a resistor R6 and a diode D1, the NPN transistor Q5 is connected with the electrolytic capacitor EC2, a node between the electrolytic capacitor EC2 and the resistor R6 is connected with the base of the NPN transistor Q6, and the emitter of the NPN transistor Q6 is connected with the diode D1.

6. An LED advertising lamp control circuit according to claim 5, wherein the discharge capacitor bank (12) comprises electrolytic capacitors EC3, EC5, EC6 and EC7, 1 pin of the switch (13) is connected with the electrolytic capacitor EC7, 2 pins of the switch (13) is connected with the electrolytic capacitor EC6, 3 pins of the switch (13) is connected with the electrolytic capacitor EC5, the node between the electrolytic capacitors EC3, EC5, EC6 and EC7 is connected with the electrolytic capacitor EC, the node between the resistor R5 and R6 and the other end of the electrolytic capacitor EC7 is grounded, the other end of the electrolytic capacitor EC3 is connected with the cathode of the diode D1, and the node between the 4, 5 and 6 pins of the switch (13) is connected with the cathode of the diode D1.

7. An LED advertising lamp control circuit according to claim 6, characterized in that the triode switch circuit (8) comprises a monostable timing circuit TLC555-U1, an NPN transistor Q4, a resistor R4 and a capacitor C1, wherein the monostable timing circuit TLC555-U1 is grounded at pin 1, the node between pins 2 and 6 of the monostable timing circuit TLC555-U1 is connected with the electrolytic capacitor EC3, the node between pins 3 and 7 of the monostable timing circuit TLC555-U1 is connected with the resistor R4, the other end of the resistor R4 is connected with the base of the NPN transistor Q4, the collector of the NPN transistor Q4 is connected with the collector of the NPN transistor Q5, the pin 4 of the monostable timing circuit TLC555-U1 is connected with the collector of the NPN transistor Q6, the other end of the monostable timing circuit TLC555-U1 is connected with the capacitor C1, and the capacitor C1 is grounded, the pin 8 of the monostable timing circuit TLC555-U1 is connected with + 12V.

8. An LED advertising lamp control circuit according to claim 7, characterized in that the low-frequency oscillator circuit (4) comprises a monostable timing circuit TLC555-U2, a capacitor C2, a variable resistor VR1 and an electrolytic capacitor EC4, the 1 pin of the monostable timing circuit TLC555-U2 is grounded, the node between the 2 pin and the 6 pin of the monostable timing circuit TLC555-U2 is connected with the electrolytic capacitor EC4, the other end of the electrolytic capacitor EC4 is grounded, the pin 3 of the monostable timing circuit TLC555-U2 is connected with a variable resistor VR1, the other end of the variable resistor VR1 is connected with an electrolytic capacitor EC4, a node between pins 4 and 8 of the monostable timing circuit TLC555-U2 is connected with the collector of an NPN type triode Q4, the pin 5 of the monostable timing circuit TLC555-U2 is connected with a capacitor C2, and the other end of the capacitor C2 is grounded.

9. An LED advertising lamp control circuit according to claim 8, wherein the counter driving circuit (11) comprises a decimal counter CD4017-U3, the decimal counter CD4017-U3 is grounded at pin 8, the node between pins 13 and 15 of the decimal counter CD4017-U3 is grounded, the pins 14 of the decimal counter CD4017-U3 are connected with the fixed end of a variable resistor VR1, and the pins 16 of the decimal counter CD4017-U3 are connected with the collector of an NPN type triode Q4.

10. An LED advertising lamp control circuit according to claim 9, wherein the first triode drive circuit (5) comprises a resistor R1 and an NPN triode Q1, the 3 feet of the decimal counter CD4017-U3 are connected with a resistor R1, and the other end of the resistor R1 is connected with an NPN triode Q1; the triode driving circuit II (6) comprises a resistor R2 and an NPN type triode Q2, the pin 2 of the decimal counter CD4017-U3 is connected with the resistor R2, and the other end of the resistor R2 is connected with the NPN type triode Q2; the triode driving circuit ten (14) comprises a resistor R10 and an NPN type triode Q10, the 11 pin of the decimal counter CD4017-U3 is connected with the resistor R10, the other end of the resistor R10 is connected with the NPN type triode Q10, the collector electrodes of the NPN type triode Q1-Q10 are connected with +12V, the emitter electrodes of the NPN type triode Q1-Q10 are respectively connected with the triode driving circuit one (5) -triode driving circuit ten (14), and the other end of the triode driving circuit one (5) -triode driving circuit ten (14) is respectively grounded.

Technical Field

The invention relates to a control circuit, in particular to an LED advertising lamp control circuit.

Background

Along with the continuous development of society, the application of LED advertising lamp is more and more important, need use the LED advertising lamp when propaganda material or propaganda product, on every different advertising material or propaganda product, all there is different LED advertising lamp, and current LED advertising lamp exists same and lights and extinguishes, and people are when seeing the advertisement, and the bright of LED advertising lamp can bulge the advertising content, but is difficult to accomplish to show the mesh.

Therefore, an LED advertising lamp control circuit which can realize the flickering of light and achieve the effects of visibility and protrusion is developed at present.

Disclosure of Invention

In order to overcome the defect that the prior LED advertising lamp is difficult to display, the technical problem to be solved is as follows: the LED advertising lamp control circuit can realize the flickering of light and achieve the effects of eye display and projection.

The technical scheme is as follows: an LED advertising lamp control circuit comprises a power supply circuit, a low-frequency oscillator circuit, a counter drive circuit, a triode switch circuit, a Schmidt comparator circuit, a light-operated amplification detection circuit, a photoresistor triode, a drive circuit I, a triode drive circuit II-a triode drive circuit ten, an LED module I and an LED module II-an LED module ten, wherein the output end of the low-frequency oscillator circuit is connected with the input end of the counter drive circuit, the output end of the counter drive circuit is respectively connected with the input ends of the triode drive circuit I and the triode drive circuit II-the triode drive circuit ten, the output end of the triode drive circuit is connected with the input end of the LED module I, the triode drive circuit II is connected with the input end of the LED module II, the triode drive circuit II is connected with the input end of the LED module III, the output end of the Schmidt comparator circuit is connected with the input end of the triode switch circuit, the output end of the triode switch circuit is connected with the input ends of the low-frequency oscillator circuit and the counter drive circuit respectively, the output end of the photosensitive resistor is connected with the input end of the light-operated amplification detection circuit, the output end of the light-operated amplification detection circuit is connected with the input end of the Schmidt comparator circuit, and the power supply circuit supplies power for the low-frequency oscillator circuit, the counter drive circuit, the triode switch circuit, the Schmidt comparator circuit, the light-operated amplification detection circuit, the photosensitive resistor triode, the first drive circuit, the second triode drive circuit, the tenth triode drive circuit, the first LED module and the second LED module, the tenth LED module.

Furthermore, the device also comprises a frequency setting potentiometer, the output end of the frequency setting potentiometer is connected with the input end of the low-frequency oscillator circuit, and the power supply circuit supplies power to the frequency setting potentiometer.

The output end of the discharge capacitor bank is connected with the input end of the change-over switch, the output end of the change-over switch is connected with the input end of the Schmidt comparator circuit, and the power supply circuit supplies power to the discharge capacitor bank and the change-over switch.

Further, the light-operated amplification detection circuit comprises an electrolytic capacitor EC1, an NPN type triode Q5 and a resistor R5, the base electrode of the NPN type triode Q5 is connected with the electrolytic capacitor EC1 and a photoresistor in series, the photoresistor is connected with the resistor R5, and the photoresistor, the electrolytic capacitor EC1 and the collector electrode of the NPN type triode Q5 are connected with + 12V.

Further, the schmitt comparator circuit comprises an NPN-type triode Q6, an electrolytic capacitor EC2, a resistor R6 and a diode D1, wherein an emitter of the NPN-type triode Q5 is connected with the electrolytic capacitor EC2, a node between the electrolytic capacitor EC2 and the resistor R6 is connected with a base of the NPN-type triode Q6, and an emitter of the NPN-type triode Q6 is connected with the diode D1.

Further, the discharging capacitor bank comprises electrolytic capacitors EC3, EC5, EC6 and EC7, wherein a pin 1 of the change-over switch is connected with the electrolytic capacitor EC7, a pin 2 of the change-over switch is connected with the electrolytic capacitor EC6, a pin 3 of the change-over switch is connected with the electrolytic capacitor EC5, a node between the electrolytic capacitors EC3, EC5, EC6 and EC7 is connected with the electrolytic capacitor EC, a node between the resistor R5, the resistor R6 and the other end of the electrolytic capacitor EC7 is grounded, the other end of the electrolytic capacitor EC3 is connected with a cathode of a diode D1, and a node between pins 4, 5 and 6 of the change-over switch is connected with a cathode of the diode D1.

Furthermore, the triode switch circuit comprises a monostable timing circuit TLC555-U1, an NPN type triode Q4, a resistor R4 and a capacitor C1, the 1 pin of the monostable timing circuit TLC555-U1 is grounded, the node between the 2 pin and the 6 pin of the monostable timing circuit TLC555-U1 is connected with the electrolytic capacitor EC3, the node between pin 3 and pin 7 of the monostable timing circuit TLC555-U1 is connected with a resistor R4, the other end of the resistor R4 is connected with the base electrode of an NPN type triode Q4, the collector electrode of the NPN type triode Q4 is connected with the collector electrode of an NPN type triode Q5, the pin 4 of the monostable timing circuit TLC555-U1 is connected with the collector of an NPN type triode Q6, the pin 5 of the monostable timing circuit TLC555-U1 is connected with a capacitor C1, the other end of the capacitor C1 is grounded, and the pin 8 of the monostable timing circuit TLC555-U1 is connected with + 12V.

Further, the low-frequency oscillator circuit comprises a monostable timing circuit TLC555-U2, a capacitor C2, a variable resistor VR1 and an electrolytic capacitor EC4, wherein a pin 1 of the monostable timing circuit TLC555-U2 is grounded, a node between a pin 2 and a pin 6 of the monostable timing circuit TLC555-U2 is connected with the electrolytic capacitor EC4, the other end of the electrolytic capacitor EC4 is grounded, a pin 3 of the monostable timing circuit TLC555-U2 is connected with the variable resistor VR1, the other end of the variable resistor VR1 is connected with the electrolytic capacitor EC4, a node between a pin 4 and a pin 8 of the monostable timing circuit TLC555-U2 is connected with an NPN type triode Q4 collector, a pin 5 of the monostable timing circuit TLC555-U2 is connected with the capacitor C2, and the other end of the capacitor C2 is grounded.

Further, the counter driving circuit comprises a decimal counter CD4017-U3, wherein pins 8 of the decimal counter CD4017-U3 are grounded, a node between pins 13 and 15 of the decimal counter CD4017-U3 is grounded, pins 14 of the decimal counter CD4017-U3 are connected with a fixed end of a variable resistor VR1, and pins 16 of the decimal counter CD4017-U3 are connected with a collector of an NPN type triode Q4.

Furthermore, the triode driving circuit I comprises a resistor R1 and an NPN type triode Q1, the pin 3 of the decimal counter CD4017-U3 is connected with the resistor R1, and the other end of the resistor R1 is connected with the NPN type triode Q1; the second triode driving circuit comprises a resistor R2 and an NPN triode Q2, the pin 2 of the decimal counter CD4017-U3 is connected with the resistor R2, and the other end of the resistor R2 is connected with the NPN triode Q2; the triode driving circuit ten comprises a resistor R10 and an NPN type triode Q10, the 11 pin of the decimal counter CD4017-U3 is connected with the resistor R10, the other end of the resistor R10 is connected with the NPN type triode Q10, the collector electrodes of the NPN type triodes Q1-Q10 are connected with +12V, the emitter electrodes of the NPN type triodes Q1-Q10 are respectively connected with the triode driving circuit I-triode driving circuit ten, and the other end of the triode driving circuit I-triode driving circuit ten is respectively connected with the ground.

The invention has the following advantages: 1. the working frequency of the LED module I and the working frequency of the LED module II-LED module I can be changed through the frequency setting potentiometer.

2. Through adjusting the discharge capacitor bank and the change-over switch, the working time of the LED module I and the working time of the LED module II-LED module I can be adjusted.

Drawings

FIG. 1 is a block diagram of the circuit of the present invention.

Fig. 2 is a first circuit schematic of the present invention.

Fig. 3 is a second circuit schematic of the present invention.

Reference numerals: the circuit comprises a power supply circuit 1, a frequency setting potentiometer 2, a light-operated amplification detection circuit 3, a low-frequency oscillator circuit 4, a triode driving circuit 5, a triode driving circuit 6, a triode driving circuit II, a Schmidt comparator circuit 7, a triode switching circuit 8, a photoresistor 9, an LED module I10, a counter driving circuit 11, a discharge capacitor bank 12, a change-over switch 13, a triode driving circuit ten 14, an LED module ten 15 and an LED module II 16.

Detailed Description

Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Example 1

An LED advertising lamp control circuit is shown in figures 1-3 and comprises a power supply circuit 1, a low-frequency oscillator circuit 4, a counter drive circuit 11, a triode switch circuit 8, a Schmidt comparator circuit 7, a light-operated amplification detection circuit 3, a photoresistor 9, a first drive circuit, a second triode drive circuit 6, a first triode drive circuit 14, an LED module 10 and a second LED module 16, a tenth LED module 15, wherein the output end of the low-frequency oscillator circuit 4 is connected with the input end of the counter drive circuit 11, the output end of the counter drive circuit 11 is respectively connected with the first triode drive circuit 5 and the second triode drive circuit 6, the tenth triode drive circuit 14, the output end of the first triode drive circuit 5 is connected with the input end of the first LED module 10, the second triode drive circuit 6 is connected with the input end of the second LED module 16, the triode driving circuit ten 14 is connected with the input end of the LED module ten 15, the output end of the Schmidt comparator circuit 7 is connected with the input end of the triode switch circuit 8, the output end of the triode switch circuit 8 is respectively connected with the input ends of the low-frequency oscillator circuit 4 and the counter drive circuit 11, the output end of the photoresistor 9 is connected with the input end of the light-operated amplification detection circuit 3, the output end of the light-operated amplification detection circuit 3 is connected with the input end of the Schmitt comparator circuit 7, the power supply circuit 1 supplies power to the low-frequency oscillator circuit 4, the counter driving circuit 11, the triode switch circuit 8, the Schmitt comparator circuit 7, the light-operated amplification detection circuit 3, the photoresistor 9, the triode, the driving circuit I, the triode driving circuit II 6-triode driving circuit ten 14, the LED module I10 and the LED module II 16-LED module ten 15.

When people need to use the device, a power supply can be turned on, the device is powered on, in daytime, due to the light control, under the detection of the light control amplification detection circuit 3, the light control amplification detection circuit 3 outputs a low level, the Schmitt comparator circuit 7 outputs a high level to the triode switch circuit 8, the triode switch circuit 8 stops working, the counter drive circuit 11 stops working, the triode drive circuit I5, the triode drive circuit II 6-the triode drive circuit III 14 stop working, and the LED module I10 and the LED module II 16-the LED module IV 15 keep the off state; after dark, under the detection of the light-operated amplification detection circuit 3, the light-operated amplification detection circuit 3 outputs a high level, the Schmitt comparator circuit 7 outputs a low level to the triode switch circuit 8, the triode switch circuit 8 outputs a low level to the counter drive circuit 11, the counter drive circuit 11 works, the triode drive circuit I5 and the triode drive circuit II 6-triode drive circuit III 14 work, the LED module I10 and the LED module II 16-LED module III 15 are circularly turned on, and the LED module I10 and the LED module II 16-LED module IV work for 8 hours and then are automatically turned off.

The device is characterized by further comprising a frequency setting potentiometer 2, wherein the output end of the frequency setting potentiometer 2 is connected with the input end of a low-frequency oscillator circuit 4, and a power supply circuit 1 supplies power to the frequency setting potentiometer 2.

If the working frequency of the first LED module 10 and the working frequency of the second LED module 16-LED module are required to be changed, the working frequency can be set to 0.3 Hz through the frequency setting potentiometer 2.

The power supply circuit also comprises a discharge capacitor bank 12 and a change-over switch 13, wherein the output end of the discharge capacitor bank 12 is connected with the input end of the change-over switch 13, the output end of the change-over switch 13 is connected with the input end of the Schmitt comparator circuit 7, and the power supply circuit 1 supplies power to the discharge capacitor bank 12 and the change-over switch 13.

By adjusting the discharge capacitor bank 12 and the change-over switch 13, the working time of the first LED module 10 and the second LED module 16-LED module can be adjusted.

The light-operated amplification detection circuit 3 comprises an electrolytic capacitor EC1, an NPN type triode Q5 and a resistor R5, the base electrode of the NPN type triode Q5 is connected with the electrolytic capacitor EC1 and a photosensitive resistor 9 in series, the photosensitive resistor 9 is connected with a resistor R5, and the photosensitive resistor 9, the electrolytic capacitor EC1 and the collector electrode of the NPN type triode Q5 are connected with + 12V.

The Schmitt comparator circuit 7 comprises an NPN type triode Q6, an electrolytic capacitor EC2, a resistor R6 and a diode D1, wherein an emitter of the NPN type triode Q5 is connected with the electrolytic capacitor EC2, a node between the electrolytic capacitor EC2 and the resistor R6 is connected with a base electrode of the NPN type triode Q6, and an emitter of the NPN type triode Q6 is connected with the diode D1.

The discharging capacitor bank 12 comprises electrolytic capacitors EC3, EC5, EC6 and EC7, wherein a pin 1 of the change-over switch 13 is connected with the electrolytic capacitor EC7, a pin 2 of the change-over switch 13 is connected with the electrolytic capacitor EC6, a pin 3 of the change-over switch 13 is connected with the electrolytic capacitor EC5, a node between the electrolytic capacitors EC3, EC5, EC6 and EC7 is connected with the electrolytic capacitor EC, a node between the resistor R5, the resistor R6 and the other end of the electrolytic capacitor EC7 is grounded, the other end of the electrolytic capacitor EC3 is connected with a cathode of a diode D1, and a node between pins 4, 5 and 6 of the change-over switch 13 is connected with a cathode of the diode D1.

The triode switch circuit 8 comprises a monostable timing circuit TLC555-U1, an NPN type triode Q4, a resistor R4 and a capacitor C1, the 1 pin of the monostable timing circuit TLC555-U1 is grounded, the node between the 2 pin and the 6 pin of the monostable timing circuit TLC555-U1 is connected with the electrolytic capacitor EC3, the node between pin 3 and pin 7 of the monostable timing circuit TLC555-U1 is connected with a resistor R4, the other end of the resistor R4 is connected with the base electrode of an NPN type triode Q4, the collector electrode of the NPN type triode Q4 is connected with the collector electrode of an NPN type triode Q5, the pin 4 of the monostable timing circuit TLC555-U1 is connected with the collector of an NPN type triode Q6, the pin 5 of the monostable timing circuit TLC555-U1 is connected with a capacitor C1, the other end of the capacitor C1 is grounded, and the pin 8 of the monostable timing circuit TLC555-U1 is connected with + 12V.

The low-frequency oscillator circuit 4 comprises a monostable timing circuit TLC555-U2, a capacitor C2, a variable resistor VR1 and an electrolytic capacitor EC4, wherein a pin 1 of the monostable timing circuit TLC555-U2 is grounded, a node between pins 2 and 6 of the monostable timing circuit TLC555-U2 is connected with the electrolytic capacitor EC4, the other end of the electrolytic capacitor EC4 is grounded, a pin 3 of the monostable timing circuit TLC555-U2 is connected with the variable resistor VR1, the other end of the variable resistor VR1 is connected with the electrolytic capacitor EC4, a node between pins 4 and 8 of the monostable timing circuit TLC555-U2 is connected with a collector of an NPN type triode Q4, a pin 5 of the monostable timing circuit TLC555-U2 is connected with the capacitor C2, and the other end of the capacitor C2 is grounded.

The counter driving circuit 11 comprises a decimal counter CD4017-U3, wherein pins 8 of the decimal counter CD4017-U3 are grounded, a node between pins 13 and 15 of the decimal counter CD4017-U3 is grounded, pins 14 of the decimal counter CD4017-U3 are connected with a fixed end of a variable resistor VR1, and pins 16 of the decimal counter CD4017-U3 are connected with a collector of an NPN type triode Q4.

The triode driving circuit I5 comprises a resistor R1 and an NPN type triode Q1, the pin 3 of the decimal counter CD4017-U3 is connected with the resistor R1, and the other end of the resistor R1 is connected with the NPN type triode Q1; the second triode driving circuit 6 comprises a resistor R2 and an NPN triode Q2, the pin 2 of the decimal counter CD4017-U3 is connected with the resistor R2, and the other end of the resistor R2 is connected with the NPN triode Q2; the triode driving circuit ten 14 comprises a resistor R10 and an NPN type triode Q10, the 11 pin of the decimal counter CD4017-U3 is connected with the resistor R10, the other end of the resistor R10 is connected with the NPN type triode Q10, the collector electrodes of the NPN type triode Q1-Q10 are connected with +12V, the emitter electrodes of the NPN type triode Q1-Q10 are respectively connected with the triode driving circuit one 5-triode driving circuit ten 14, and the other end of the triode driving circuit one 5-triode driving circuit ten 14 is respectively grounded.

If the NPN type triode Q5 and the NPN type triode Q6 are cut off in the daytime, the pin 3 of the monostable timing circuit TLC555-U1 outputs a high-level NPN type triode Q4 to be cut off, and the LED module I10 and the LED module II 16-LED module II 15 keep the off state; if the NPN type triode Q5 and the NPN type triode Q6 are conducted in the daytime, power is supplied through the electrolytic capacitors EC3, EC5, EC6 and EC7, the pin 3 of the monostable timing circuit TLC555-U1 outputs a low level, the NPN type triode Q4 is conducted, the monostable timing circuit TLC555-U2 and the decimal counter CD4017-U3 work normally, the NPN type triode Q1-Q10 outputs a high level, the LED module I10 and the LED module II 16-LED module II 15 are lighted, and the working frequency of the LED module I10 and the LED module II 16-LED module II can be adjusted through the variable resistor VR 1; the working time of the LED module I10 and the LED module II 16-LED module I can be adjusted through the electrolytic capacitors EC3, EC5, EC6 and EC 7.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.