CN217741962U

CN217741962U - LED table lamp control circuit

Info

Publication number: CN217741962U
Application number: CN202221373056.8U
Authority: CN
Inventors: 霍东梅
Original assignee: Zhejiang Chenyi Photoelectric Technology Co ltd
Current assignee: Zhejiang Chenyi Photoelectric Technology Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-11-04
Anticipated expiration: 2032-06-02

Abstract

The utility model relates to a LED illumination especially relates to a LED table lamp control circuit. The technical problem is as follows: the LED table lamp control circuit can well protect eyes of people. A kind of LED desk lamp control circuit, including rectifier circuit, step-down circuit, alternating current input end, etc.; the input end of the rectifying circuit is connected with the output end of the voltage reduction circuit, and the voltage reduction circuit is connected with the alternating current input end. The utility model discloses a mode of LED lighting module can be selected to the function selection switch, so as to be applicable to the different circumstances, LED lighting module can reduce the stroboscopic, avoid injuring people's eyes, the battery can regard as stand-by power supply, for the power supply of LED lighting module under the circumstances that has a power failure, make LED lighting module can normally work, can control LED lighting module through timer circuit and light 50 minutes per hour, extinguish 10 minutes, can remind people to notice the rest like this, thereby be favorable to protecting eyes.

Description

LED table lamp control circuit

Technical Field

The utility model relates to a LED illumination especially relates to a LED table lamp control circuit.

Background

The desk lamp is the little electric light of putting on the desk, can provide the illumination, makes things convenient for people to study and work, and present most desk lamps all are the fluorescent lamp, have stroboscopic problem, influence people's sight, can cause the injury to people's eyes, and present desk lamp can not remind people to pay attention to protection eyes in addition, and the time of people's study and work is too long, can cause harmful effects to people's eyesight.

Therefore, the LED table lamp control circuit capable of well protecting eyes of people is designed.

SUMMERY OF THE UTILITY MODEL

In order to overcome present most desk lamps all are fluorescent lamps, have stroboscopic problem, influence people's sight, can cause the injury to people's eyes, present desk lamp can not remind people to pay attention to the protection eyes moreover, and the time of people's study and work is too long, can cause the shortcoming of harmful effects to people's eyesight, and the technical problem is: the LED table lamp control circuit can well protect eyes of people.

The technical scheme is as follows: the utility model provides a LED table lamp control circuit, is including rectifier circuit, step-down circuit, AC input end, function selection switch, touch sensitivity regulating circuit, single channel touch circuit, voltage stabilizing circuit, touch switch, MOS pipe control circuit, current setting circuit and LED lighting module, rectifier circuit's input and step-down circuit's output are connected, step-down circuit and AC input end are connected, rectifier circuit's output and voltage stabilizing circuit's input are connected, voltage stabilizing circuit's output and single channel touch circuit's input are connected, single channel touch circuit's input and touch sensitivity regulating circuit's output are connected, function selection switch and single channel touch circuit's input are connected, touch switch and single channel touch circuit's input are connected, single channel touch circuit's output and MOS pipe control circuit's input are connected, MOS pipe control circuit's output and current setting circuit's input are connected, current setting circuit's output and LED lighting module are connected.

As an improvement of the scheme, the LED illuminating lamp further comprises a storage battery, the storage battery is connected with the input end of the voltage stabilizing circuit, and the storage battery supplies power to the function selection switch, the touch sensitivity adjusting circuit, the single-channel touch circuit, the voltage stabilizing circuit, the touch switch, the MOS tube control circuit, the current setting circuit and the LED illuminating module.

As an improvement of the scheme, the timing control device further comprises a timing adjustment potentiometer, a timer circuit and a timing control circuit, the input end of the timing adjustment potentiometer is connected with the input end of the timer circuit, the output end of the timer circuit is connected with the input end of the timing control circuit, the output end of the timing control circuit is connected with the input end of the single-channel touch circuit, and the storage battery supplies power for the timing adjustment potentiometer, the timer circuit and the timing control circuit.

As an improvement of the above scheme, the rectifier circuit includes a rectifier bridge D1, a resistor R2, a resistor R6, a capacitor C4 and a battery BT1, wherein a pin 1 of the rectifier bridge D1 is connected to an end L of the alternating current section, a pin 4 of the rectifier bridge D1 is grounded, a pin 3 of the rectifier bridge D1 is connected in series with the capacitor C4 and the resistor R6, the other end of the resistor R6 is connected to an end N of alternating current, a pin 2 of the rectifier bridge D1 is connected in series with the resistor R2 and the battery BT1, and the other end of the battery BT1 is grounded.

As an improvement of the scheme, the voltage stabilizing circuit comprises a voltage stabilizing diode D2, a switch S2, a capacitor C1 and an electrolytic capacitor EC1, wherein the voltage stabilizing diode D2 is connected with the switch S2 in series, the anode of the voltage stabilizing diode D2 is grounded, the other end of the switch S2 is grounded, one ends of the capacitor C1 and the electrolytic capacitor EC1 are connected with +4.2V, and the other ends of the capacitor C1 and the electrolytic capacitor EC1 are grounded.

As an improvement of the scheme, the single-channel touch circuit comprises a single-channel touch chip EC022WS-U1, a dial switch S1, a capacitor C2, a capacitor C3 and a resistor R5, wherein 3 pins of the single-channel touch chip EC022WS-U1 are connected with +4.2V, 2 pins of the single-channel touch chip EC022WS-U1 are connected with a capacitor C2 in series, 2 pins of the single-channel touch chip EC022WS-U1 are connected with a capacitor C3 in series, 5 pins of the single-channel touch chip EC022WS-U1 are connected with a resistor R5, 1 pin of the single-channel touch chip EC022WS-U1 is connected with 4 pins of the dial switch S1, 8 pins of the single-channel touch chip EC022WS-U1 are connected with 5 pins of the dial switch S1, 6 pins of the single-channel touch chip EC022WS 1 are connected with 6 pins of the dial switch S1, and 1 pin, 2 and 3 pins of the dial switch S1 are all grounded.

As an improvement of the above scheme, the MOS tube control circuit includes an N-channel fet Q1, a resistor R3, a resistor R4, a light-emitting diode VD1, a light-emitting diode VD2, a light-emitting diode VD3, a light-emitting diode VD4, a light-emitting diode VD5, a light-emitting diode VD6, a light-emitting diode VD7, a light-emitting diode VD8, and a light-emitting diode VD9, the 7-pin series resistor R3 of the single-channel touch chip EC022WS-U1 and the gate of the N-channel fet Q1 are connected, the gate series resistor R4 of the N-channel fet Q1 is grounded, the source of the N-channel fet Q1 is grounded, the light-emitting diode VD1, the light-emitting diode VD2, and the light-emitting diode VD3 are connected in parallel, the cathode after parallel connection is connected to the drain of the N-channel fet Q1, the anode after parallel connection is connected to one end of the resistor R1, the other end of the resistor R1 is connected to +4.2V, the light-emitting diode VD4, the light-emitting diode VD5 and the light-emitting diode VD6 are connected in parallel, the cathode and the N-channel fet Q1 after parallel connection are connected to the cathode, the anode of the cathode and the drain of the light-diode VD9 are connected to the light-diode VD 9.

As an improvement of the scheme, the timer circuit comprises a time base integrated circuit NE555-U2, a resistor R8, a resistor R9 and an electrolytic capacitor EC2, wherein a pin 1 of the time base integrated circuit NE555-U2 is grounded,

pins

4 and 8 of the time base integrated circuit NE555-U2 are connected with +4.2V, a pin 2 of the time base integrated circuit NE555-U2 is connected with a pin 6 thereof, a pin 5 of the time base integrated circuit NE555-U2 is connected with one end of the resistor R9, the other end of the resistor R9 is connected with +4.2V, a pin 7 of the time base integrated circuit NE555-U2 is connected with the resistor R8 and the electrolytic capacitor EC2 in series, the other end of the electrolytic capacitor EC2 is grounded, and a pin 2 of the time base integrated circuit NE555-U2 is connected with a series intermediate point of the resistor R8 and the electrolytic capacitor EC 2.

As an improvement of the scheme, the timing adjustment potentiometer is a potentiometer VR1, a pin 7 of the time-base integrated circuit NE555-U2 is connected with one end of the potentiometer VR1, and the other end and the adjustable end of the potentiometer VR1 are connected with +4.2V.

As an improvement of the above scheme, the timing control circuit includes a transistor Q2, a resistor R7 and a resistor R10, the 3-pin series resistor R7 of the time base integrated circuit NE555-U2 and the base of the transistor Q2, the emitter of the transistor Q2 is grounded, the base series resistor R10 of the transistor Q2 is grounded, and the collector of the transistor Q2 is connected with the 4-pin of the single-channel touch chip EC022 WS-U1.

The utility model discloses a mode of LED lighting module can be selected to the function selection switch, so as to be applicable to the different circumstances, LED lighting module can reduce the stroboscopic, avoid injuring people's eyes, the battery can regard as stand-by power supply, for the power supply of LED lighting module under the circumstances that has a power failure, make LED lighting module can normally work, can control LED lighting module through timer circuit and light 50 minutes per hour, extinguish 10 minutes, can remind people to notice the rest like this, thereby be favorable to protecting eyes.

Drawings

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

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

Number designation in the figures: 1. rectifier circuit, 2, step-down circuit, 3, alternating current input, 4, function selection switch, 5, touch sensitivity adjusting circuit, 6, single channel touch circuit, 7, voltage stabilizing circuit, 8, battery, 9, touch switch, 10, MOS pipe control circuit, 11, current setting circuit, 12, LED illumination module, 13, timing adjustment potentiometre, 14, timer circuit, 15, timing control circuit.

Detailed Description

The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present application. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.

Example 1

An LED table lamp control circuit is shown in figure 1 and comprises a rectifying circuit 1, a voltage reduction circuit 2, an alternating current input end 3, a function selection switch 4, a touch sensitivity adjusting circuit 5, a single-channel touch circuit 6, a voltage stabilizing circuit 7, a touch switch 9, an MOS tube control circuit 10, a current setting circuit 11 and an LED illumination module 12, wherein the input end of the rectifying circuit 1 is connected with the output end of the voltage reduction circuit 2, the voltage reduction circuit 2 is connected with the alternating current input end 3, the output end of the rectifying circuit 1 is connected with the input end of the voltage stabilizing circuit 7, the output end of the voltage stabilizing circuit 7 is connected with the input end of the single-channel touch circuit 6, the input end of the single-channel touch circuit 6 is connected with the output end of the touch sensitivity adjusting circuit 5, the function selection switch 4 is connected with the input end of the single-channel touch circuit 6, the touch switch 9 is connected with the input end of the single-channel touch circuit 6, the output end of the single-channel touch circuit 6 is connected with the input end of the MOS tube control circuit 10, the output end of the MOS tube control circuit 10 is connected with the input end of the current setting circuit 11, and the output end of the current setting circuit 11 is connected with the LED illumination module 12.

After the LED desk lamp control circuit is powered on, alternating current is input through an alternating current input end 3, a voltage reduction circuit 2 reduces the voltage of the alternating current, a rectification circuit 1 rectifies the alternating current, a voltage stabilizing circuit 7 stabilizes the voltage of the alternating current and outputs stable alternating current, and power is supplied to a function selection switch 4, a touch sensitivity adjusting circuit 5, a single-channel touch circuit 6, a voltage stabilizing circuit 7, a touch switch 9, an MOS (metal oxide semiconductor) tube control circuit 10, a current setting circuit 11 and an LED lighting module 12, the sensitivity of the single-channel touch circuit 6 can be adjusted through the touch sensitivity adjusting circuit 5, the mode of the LED lighting module 12 can be selected through the function selection switch 4, and the two modes are total, namely a touch stepless dimming mode without brightness memory and brightness buffer, and a touch stepless dimming mode without brightness memory and brightness buffer, people can select a mode according to the actual situation, the selected mode is a touch stepless dimming mode without brightness memory, when the touch stepless dimming mode without brightness buffer is adopted, the touch switch 9 is pressed for a short time, the MOS tube control circuit 10 controls the LED illumination module 12 to be lightened through the current setting circuit 11, the brightness of the LED illumination module 12 is 100%, the touch switch 9 is pressed for a short time again, the MOS tube control circuit 10 controls the LED illumination module 12 to be extinguished through the current setting circuit 11, when the touch stepless dimming mode without brightness memory is adopted, the touch switch 9 is pressed for a long time, the brightness of the LED illumination module 12 is gradually lowered, the touch switch 9 is released, the LED illumination module 12 is stopped at the current brightness, the touch switch 9 is pressed for a long time again, the brightness of the LED illumination module 12 is gradually raised, the touch switch 9 is released, the LED illumination module 12 is stopped at the current brightness, and stroboflash of the LED illumination module 12 can be reduced, avoiding the injury of the eyes of people.

Example 2

On the basis of the embodiment 1, as shown in fig. 1, the touch screen display device further includes a storage battery 8, the storage battery 8 is connected with an input end of a voltage stabilizing circuit 7, and the storage battery 8 supplies power to a function selection switch 4, a touch sensitivity adjusting circuit 5, a single-channel touch circuit 6, the voltage stabilizing circuit 7, a touch switch 9, a MOS tube control circuit 10, a current setting circuit 11, and an LED lighting module 12.

The alternating current is function selection switch 4, touch sensitivity adjusting circuit 5, single channel touch circuit 6, voltage stabilizing circuit 7, touch switch 9, MOS pipe control circuit 10, when current setting circuit 11 and LED lighting module 12 supply power, also can charge battery 8 simultaneously, under the condition of having a power failure, battery 8 can regard as stand-by power supply, for function selection switch 4, touch sensitivity adjusting circuit 5, single channel touch circuit 6, voltage stabilizing circuit 7, touch switch 9, MOS pipe control circuit 10, current setting circuit 11 and LED lighting module 12 supply power, make LED lighting module 12 can normally work.

The intelligent control device is characterized by further comprising a timing adjustment potentiometer 13, a timer circuit 14 and a timing control circuit 15, wherein the input end of the timing adjustment potentiometer 13 is connected with the input end of the timer circuit 14, the output end of the timer circuit 14 is connected with the input end of the timing control circuit 15, the output end of the timing control circuit 15 is connected with the input end of the single-channel touch circuit 6, and the storage battery 8 supplies power for the timing adjustment potentiometer 13, the timer circuit 14 and the timing control circuit 15.

When the LED lighting module 12 is turned on, the timer circuit 14 starts timing, the timing time of the timer circuit 14 is adjusted through the timing adjusting potentiometer 13, the LED lighting module 12 is controlled to be turned on for 50 minutes and turned off for 10 minutes every hour, and therefore people can be reminded of taking a rest, and eye protection is facilitated.

Example 3

The utility model provides a LED table lamp control circuit, as shown in fig. 2, rectifier circuit 1 is including rectifier bridge D1, resistance R2, resistance R6, electric capacity C4 and battery BT1, rectifier bridge D1's 1 foot connects section L end, rectifier bridge D1's 4 feet ground connection, rectifier bridge D1's 3 feet series capacitance C4 and resistance R6, another termination alternating current N end of resistance R6, rectifier bridge D1's 2 feet series resistance R2 and battery BT1, battery BT 1's other end ground connection.

The voltage stabilizing circuit 7 comprises a voltage stabilizing diode D2, a switch S2, a capacitor C1 and an electrolytic capacitor EC1, wherein the voltage stabilizing diode D2 is connected with the switch S2 in series, the anode of the voltage stabilizing diode D2 is grounded, the other end of the switch S2 is grounded, one ends of the capacitor C1 and the electrolytic capacitor EC1 are both connected with +4.2V, and the other ends of the capacitor C1 and the electrolytic capacitor EC1 are both grounded.

The single-channel touch circuit 6 comprises a single-channel touch chip EC022WS-U1, a dial switch S1, a capacitor C2, a capacitor C3 and a resistor R5, wherein 3 pins of the single-channel touch chip EC022WS-U1 are connected with +4.2V, 2 pins of the single-channel touch chip EC022WS-U1 are connected with a capacitor C2 in series, 2 pins of the single-channel touch chip EC022WS-U1 are connected with a capacitor C3 in series, 5 pins of the single-channel touch chip EC022WS-U1 are connected with a resistor R5, 1 pin of the single-channel touch chip EC022WS-U1 is connected with 4 pins of the dial switch S1, 8 pins of the single-channel touch chip EC022WS-U1 are connected with 5 pins of the dial switch S1, 6 pins of the single-channel touch chip EC022WS-U1 are connected with 6 pins of the dial switch S1, and 1 pins, and 2 pins and 3 pins of the dial switch S1 are all grounded.

The MOS pipe control circuit 10 comprises an N-channel field effect tube Q1, a resistor R3, a resistor R4, a light emitting diode VD1, a light emitting diode VD2, a light emitting diode VD3, a light emitting diode VD4, a light emitting diode VD5, a light emitting diode VD6, a light emitting diode VD7, a light emitting diode VD8 and a light emitting diode VD9, a 7-pin series resistor R3 and a grid electrode of the single-channel touch chip EC022WS-U1 are connected with the N-channel field effect tube Q1, a grid electrode series resistor R4 of the N-channel field effect tube Q1 is grounded, a source electrode of the N-channel field effect tube Q1 is grounded, the light emitting diode VD1, the light emitting diode VD2 and the light emitting diode VD3 are connected in parallel, a cathode and a drain electrode of the N-channel field effect tube Q1 after parallel connection are connected, an anode and one end of the resistor R1 after parallel connection are connected with one end of the resistor R1 is connected with the other end of the +4.2V, the light emitting diode VD4, the light emitting diode VD5 and the light emitting diode VD6 are connected in parallel connection, a cathode and a drain electrode of the N-channel field effect tube Q1 after parallel connection are connected with the anode of the N-channel field effect tube Q1, and the anode of the drain electrode of the light emitting diode VD9 and the light emitting diode VD9, the light emitting diode VD9 are connected with the anode after parallel connection of the light emitting diode VD9, and the light emitting diode VD9, and the light emitting diode VD9 are connected in parallel connection.

The timer circuit 14 comprises a time-base integrated circuit NE555-U2, a resistor R8, a resistor R9 and an electrolytic capacitor EC2, wherein a pin 1 of the time-base integrated circuit NE555-U2 is grounded,

pins

4 and 8 of the time-base integrated circuit NE555-U2 are connected with +4.2V, a pin 2 of the time-base integrated circuit NE555-U2 is connected with a pin 6 thereof, a pin 5 of the time-base integrated circuit NE555-U2 is connected with one end of the resistor R9, the other end of the resistor R9 is connected with +4.2V, a pin 7 of the time-base integrated circuit NE555-U2 is connected with the resistor R8 and the electrolytic capacitor EC2 in series, the other end of the electrolytic capacitor EC2 is grounded, and a pin 2 of the time-base integrated circuit NE555-U2 is connected with a middle point of the resistor R8 and the electrolytic capacitor EC2 in series.

The timing adjustment potentiometer 13 is a potentiometer VR1, a pin 7 of the time-base integrated circuit NE555-U2 is connected with one end of the potentiometer VR1, and the other end of the potentiometer VR1 and the adjustable end of the potentiometer are connected with +4.2V.

The timing control circuit 15 comprises a triode Q2, a resistor R7 and a resistor R10, the 3-pin series resistor R7 of the time base integrated circuit NE555-U2 and the base electrode of the triode Q2 are connected, the emitting electrode of the triode Q2 is grounded, the base electrode series resistor R10 of the triode Q2 is grounded, and the collecting electrode of the triode Q2 is connected with the 4-pin of the single-channel touch chip EC022 WS-U1.

After the LED desk lamp control circuit is powered on, a rectifier bridge D1 can rectify alternating current, a voltage stabilizing diode D2 can stabilize the alternating current, a capacitor C1 and an electrolytic capacitor EC1 can filter the alternating current, the sensitivity of a single-channel touch chip EC022WS-U1 can be adjusted through the capacitor C2 and a capacitor C3, the mode of the single-channel touch chip EC022WS-U1 can be selected through a dial switch S1, and the two modes are total, wherein one mode is that a pin 1, a pin 2 and a pin 3 of the dial switch S1 are all suspended, namely, the touch stepless dimming mode without brightness memory and brightness buffer is adopted, the other mode is that a pin 1 of the dial switch S1 is grounded, a pin 2 and a pin 3 are suspended, namely, the touch stepless dimming mode without brightness memory and brightness buffer is adopted, one mode can be selected according to actual conditions and is not adopted, when the touch stepless dimming mode without brightness buffer is adopted, the single-channel touch chip EC022WS-U1 controls the conduction of the N-channel field effect tube Q1, the light emitting diodes VD1-VD9 are lightened, the brightness of the light emitting diodes VD1-VD9 is 100%, the touch switch 9 is pressed again, the single-channel touch chip EC022WS-U1 controls the cut-off of the N-channel field effect tube Q1, the light emitting diodes VD1-VD9 are extinguished, the touch stepless dimming mode without brightness buffer is selected, the long-press touch switch 9 is adopted, the brightness of the light emitting diodes VD1-VD9 is gradually lowered, the touch switch 9 is loosened, the light emitting diodes VD1-VD9 are stopped at the current brightness, the long-press touch switch 9 is adopted again, the brightness of the light emitting diodes VD1-VD9 is gradually raised, the touch switch 9 is loosened, the light emitting diodes VD1-VD9 are stopped at the current brightness, and at the AC power is charging the battery BT1, under the condition of power failure, the battery BT1 can be used as a standby power supply to supply power to the light emitting diodes VD1-VD9, so that the light emitting diodes VD1-VD9 can work normally, the time base integrated circuit NE555-U2 starts to time, when the time base integrated circuit NE555-U2 outputs a low level, the triode Q2 is switched on, the light emitting diodes VD1-VD9 are lightened, when the time base integrated circuit NE555-U2 outputs a high level, the triode Q2 is cut off, and the light emitting diodes VD1-VD9 are extinguished, the output working time of the time base integrated circuit NE555-U2 can be set through the potentiometer VR1, the high level is continuously output for 50 minutes, the low level is continuously output for 10 minutes, namely, the light emitting diodes VD1-VD9 are lightened for 50 minutes every hour and are extinguished for 10 minutes, and therefore people can be reminded of taking a rest, and eye protection is facilitated.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. The scope of the following claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.

Claims

1. A control circuit of an LED table lamp is characterized by comprising a rectifying circuit (1), a voltage reducing circuit (2), an alternating current input end (3), a function selection switch (4), a touch sensitivity adjusting circuit (5), a single-channel touch circuit (6), a voltage stabilizing circuit (7), a touch switch (9), an MOS tube control circuit (10), a current setting circuit (11) and an LED illumination module (12), the input end of the rectifying circuit (1) is connected with the output end of the voltage reducing circuit (2), the voltage reduction circuit (2) is connected with the alternating current input end (3), the output end of the rectification circuit (1) is connected with the input end of the voltage stabilizing circuit (7), the output end of the voltage stabilizing circuit (7) is connected with the input end of the single-channel touch circuit (6), the input end of the single-channel touch circuit (6) is connected with the output end of the touch sensitivity adjusting circuit (5), the function selection switch (4) is connected with the input end of the single-channel touch circuit (6), the touch switch (9) is connected with the input end of the single-channel touch circuit (6), the output end of the single-channel touch circuit (6) is connected with the input end of the MOS tube control circuit (10), the output end of the MOS tube control circuit (10) is connected with the input end of the current setting circuit (11), the output end of the current setting circuit (11) is connected with the LED lighting module (12).

2. The LED table lamp control circuit according to claim 1, further comprising a storage battery (8), wherein the storage battery (8) is connected with an input end of the voltage stabilizing circuit (7), and the storage battery (8) supplies power for the function selecting switch (4), the touch sensitivity adjusting circuit (5), the single-channel touch circuit (6), the voltage stabilizing circuit (7), the touch switch (9), the MOS tube control circuit (10), the current setting circuit (11) and the LED lighting module (12).

3. The LED table lamp control circuit according to claim 2, further comprising a timing adjustment potentiometer (13), a timer circuit (14) and a timing control circuit (15), wherein the timing adjustment potentiometer (13) is connected with an input end of the timer circuit (14), an output end of the timer circuit (14) is connected with an input end of the timing control circuit (15), an output end of the timing control circuit (15) is connected with an input end of the single-channel touch circuit (6), and the storage battery (8) supplies power for the timing adjustment potentiometer (13), the timer circuit (14) and the timing control circuit (15).

4. The LED table lamp control circuit according to claim 3, wherein the rectifier circuit (1) comprises a rectifier bridge D1, a resistor R2, a resistor R6, a capacitor C4 and a battery BT1, wherein a pin 1 of the rectifier bridge D1 is connected to an L end of an alternating current section, a pin 4 of the rectifier bridge D1 is grounded, a pin 3 of the rectifier bridge D1 is connected in series with the capacitor C4 and the resistor R6, the other end of the resistor R6 is connected to an N end of an alternating current, a pin 2 of the rectifier bridge D1 is connected in series with the resistor R2 and the battery BT1, and the other end of the battery BT1 is grounded.

5. The LED table lamp control circuit according to claim 4, wherein the voltage regulator circuit (7) comprises a zener diode D2, a switch S2, a capacitor C1 and an electrolytic capacitor EC1, the zener diode D2 is connected in series with the switch S2, the anode of the zener diode D2 is grounded, the other end of the switch S2 is grounded, one end of the capacitor C1 and one end of the electrolytic capacitor EC1 are both connected to +4.2V, and the other end of the capacitor C1 and the other end of the electrolytic capacitor EC1 are both grounded.

6. The LED desk lamp control circuit of claim 5, wherein the single-channel touch circuit (6) comprises a single-channel touch chip EC022WS-U1, a dial switch S1, a capacitor C2, a capacitor C3 and a resistor R5, wherein 3 pins of the single-channel touch chip EC022WS-U1 are connected with +4.2V, 2 pins of the single-channel touch chip EC022WS-U1 are connected with a capacitor C2, 2 pins of the single-channel touch chip EC022WS-U1 are connected with a capacitor C3, 5 pins of the single-channel touch chip EC022WS-U1 are connected with a resistor R5, 1 pin of the single-channel touch chip EC022WS-U1 is connected with 4 pins of the dial switch S1, 8 pins of the single-channel touch chip EC022WS-U1 are connected with 5 pins of the dial switch S1, and 6 pins of the dial switch S1 are connected with a pin of the dial switch S1, and 2 pins of the dial switch S022 and the dial switch S1 are connected with a pin.

7. The LED desk lamp control circuit as claimed in claim 6, wherein the MOS tube control circuit (10) comprises an N-channel FET Q1, a resistor R3, a resistor R4, an LED VD1, an LED VD2, an LED VD3, an LED VD4, an LED VD5, an LED VD6, an LED VD7, an LED VD8 and an LED VD9, the single-channel touch chip EC022WS-U1 has a 7-pin series resistor R3 and a grid of the N-channel FET Q1, the grid series resistor R4 of the N-channel FET Q1 is grounded, a source of the N-channel FET Q1 is grounded, the LED VD1, the LED VD2 and the LED VD3 are connected in parallel, a parallel cathode is connected with a drain of the N-channel FET Q1, a parallel anode is connected with one end of the resistor R1, the other end of the resistor R1 is connected with +4.2V, the LED VD5 and the LED VD6 are connected with a parallel cathode of the LED VD1, and a parallel anode of the LED VD1 and a parallel drain of the LED VD1 and a parallel anode of the LED VD1 and a parallel channel FET Q1, a parallel anode of the LED VD9 and a parallel anode of the LED are connected with a parallel channel FET Q1, and a parallel anode of the LED.

8. The LED desk lamp control circuit of claim 7, wherein the timer circuit (14) comprises a time base integrated circuit NE555-U2, a resistor R8, a resistor R9 and an electrolytic capacitor EC2, wherein a pin 1 of the time base integrated circuit NE555-U2 is grounded, pins 4 and 8 of the time base integrated circuit NE555-U2 are connected with +4.2V, a pin 2 of the time base integrated circuit NE555-U2 is connected with a pin 6 thereof, a pin 5 of the time base integrated circuit NE555-U2 is connected with one end of the resistor R9, the other end of the resistor R9 is connected with +4.2V, a pin 7 of the time base integrated circuit NE555-U2 is connected with a resistor R8 and an electrolytic capacitor EC2 in series, the other end of the electrolytic capacitor EC2 is grounded, and a pin 2 of the time base integrated circuit NE555-U2 is connected with a series intermediate point of the resistor R8 and the electrolytic capacitor EC 2.

9. The LED table lamp control circuit of claim 8, wherein the timing adjustment potentiometer (13) is a potentiometer VR1, the pin 7 of the time base integrated circuit NE555-U2 is connected to one end of the potentiometer VR1, and the other end of the potentiometer VR1 and the adjustable end thereof are both connected to +4.2V.

10. The LED desk lamp control circuit of claim 9, wherein the timing control circuit (15) comprises a transistor Q2, a resistor R7 and a resistor R10, the 3-pin series resistor R7 of the time base integrated circuit NE555-U2 and the base of the transistor Q2, the emitter of the transistor Q2 is grounded, the base series resistor R10 of the transistor Q2 is grounded, and the collector of the transistor Q2 is connected to the 4-pin of the single-channel touch chip EC022 WS-U1.