CN110557867B - Touch nail-beautifying baking lamp control circuit - Google Patents
Touch nail-beautifying baking lamp control circuit Download PDFInfo
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- CN110557867B CN110557867B CN201910862331.9A CN201910862331A CN110557867B CN 110557867 B CN110557867 B CN 110557867B CN 201910862331 A CN201910862331 A CN 201910862331A CN 110557867 B CN110557867 B CN 110557867B
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D29/00—Manicuring or pedicuring implements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention relates to the field of electronic equipment, in particular to a touch type nail-beautifying baking lamp control circuit. The invention aims to provide a touch type nail-beautifying baking lamp control circuit which adopts a UV-ALED lamp as a light source, can adjust baking time, adopts touch as a switching mode, realizes dimming with the duty ratio of 0-100%, thereby controlling the illumination intensity of the nail-beautifying baking lamp and saving energy. The technical scheme is that the touch type nail beautifying baking lamp control circuit comprises a touch switch module, a relay driving circuit and the like, wherein the output end of the touch switch module is connected with the input end of the relay driving circuit, and the touch switch module is used for controlling the on-off of the relay driving circuit. The invention adopts the UV-ALED lamp as the light source, realizes that the baking time can be adjusted, and simultaneously adopts the working mode of the control circuit which adopts the touch switch as the control circuit, changes the duty ratio of the PWM signal in the PWM control module, and can realize the dimming of the duty ratio of 0-100 percent, thereby controlling the illumination intensity and saving energy.
Description
Technical Field
The invention relates to the field of electronic equipment, in particular to a touch type nail-beautifying baking lamp control circuit.
Background
With the rapid development of the LED lighting technology, the LED has the advantages of low power consumption, high luminous efficiency, long service life of 5-8 ten thousand hours, energy conservation, emission reduction, no toxicity and no harm, and with the rapid development of the LED manufacturing process, the radiation efficiency of the LED lamp in the UV-A wave band is higher and higher, and the manufacturing cost is lower and lower, so that the mercury lamp in the UV-A application field is gradually replaced by the LED lamp. At present, most of the existing intelligent control nail-beautifying baking lamps adopt a touch key switch or infrared induction switch mode to carry out on-off control on the nail-beautifying baking lamps. When the single-chip microcomputer is used, an operator firstly presses the power switch, the single-chip microcomputer detects whether the button is pressed down, then the UVLED is controlled to work, and the working time is also fixed. The switch operation is difficult to realize the synchronism of the nail-beautifying baking lamp operation and the on-off of the control circuit, and the key operation is complicated. In view of the drawbacks of the prior art, there is a need for new solutions. Therefore, research on the touch type nail-beautifying baking lamp meeting the market demand has certain positive significance for improving the life quality of people, and therefore the touch type nail-beautifying baking lamp control circuit is provided.
Disclosure of Invention
In order to overcome the defects that some nail-beautifying baking lamps set a light source as a mercury lamp at present, various baking times cannot be set, and key operation is complicated, the invention aims to provide the touch type nail-beautifying baking lamp control circuit which adopts the UV-ALED lamp as the light source, can adjust the baking time, adopts touch as a switching mode, realizes dimming with the duty ratio of 0-100%, thereby controlling the illumination intensity of the nail-beautifying baking lamp and saving energy.
The technical scheme of the invention is as follows: the utility model provides a touch first beautiful roast lamp control circuit, includes power module, touch switch module, relay drive circuit, LED power driver and UVLED light source module, the input of relay drive circuit is being connected to the output of touch switch module, touch switch module is used for controlling relay drive circuit's switch, LED power driver's input is being connected to relay drive circuit's output, UVLED light source module's input is being connected to LED power driver's output, the switch of UVLED light source module is controlled to relay drive circuit, and power module is for touching mould switch module, relay drive circuit and the power supply of LED power driver.
As an improvement of the scheme, the power module is characterized in that 220V alternating current is subjected to voltage reduction through a 12V output transformer, low-voltage alternating current obtained through voltage reduction is rectified through a rectifier bridge stack, full-wave direct current output by rectification is subjected to capacitance filtering, and then is subjected to voltage stabilization through three-terminal voltage regulators LM7812 and LM7805 to output stable DC12V/DC 5V.
As an improvement of the above scheme, the touch switch module includes VKD233DR, an inductive switch, a capacitor C4 and a capacitor C5, the inductive switch is connected to pin 1 of VKD233DR, pin 1 of VKD233DR is connected to one end of capacitor C4, the other end of capacitor C4 is grounded, pin 2 of VKD233DR is grounded, pin 4 of VKD233DR is connected to one end of capacitor C5, the other end of capacitor C5 is grounded, pins 5 and 6 of VKD233DR are connected to +5V, and pin 3 of VKD233DR is connected to pin 4 of EC340EGB as an output pin.
As an improvement of the above scheme, the relay driving circuit includes a resistor R3, a transistor Q1, a relay RL1 and a diode D2, an emitter of the transistor Q1 is connected with a power supply terminal +5V, one end of a collector of the transistor Q1 is connected with the relay RL1, the other end of the relay RL1 is grounded, the diode D2 is connected in parallel with two ends of the relay RL1, an 8-pin of the EC340EGB is connected with one end of the resistor R3 as an output terminal, and one end of the resistor R3 is connected with a base of the transistor Q1.
As an improvement of the scheme, the timing control device further comprises a time setting switch and a timing control module, the input end of the timing control module is connected with the output end of the touch switch module, the output end of the timing control module is connected with the input end of the relay driving circuit, the time setting switch is connected with the timing control module, the time setting switch is used for setting the time, the timing control module realizes time control of 8 gears through the time setting switch, and the power supply module supplies power for the time setting switch and the timing control module.
As an improvement of the scheme, the time setting switch comprises a code pulling switch S1 and resistors R1-R8, one end of the code pulling switch S1 is connected with 6 pins of the EC340EGB in parallel, pins at the other end of the code pulling switch S1 are connected with the resistors R1-R8 in series one by one, and the other ends of the resistors R1-R8 are connected with 5 pins of the EC340EGB in parallel.
As an improvement of the above scheme, the timing control module includes an EC340EGB and a diode D1, one end of the diode D1 is connected to the power supply terminal +5V, the other end of the diode D1 is connected to pin 1 of the EC340EGB, pin 7 of the EC340EGB is grounded, and pin 8 of the EC340EGB is connected as an output end to one end of a resistor R3.
As an improvement of the above scheme, the LED lighting device further comprises a PWM control module, an output end of the PWM control module is connected to an input end of the LED power driver, the PWM control module includes an oscillator and a PWM dimming circuit, and the PWM control module adjusts a current of the LED power driver, thereby adjusting the light of the UVLED light source module.
As an improvement of the above solution, the PWM control module includes an oscillator and a PWM dimming circuit, the oscillator includes a time-base circuit NE555-U5, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a capacitor C6, and a transistor Q6, one end of the resistor R6 is connected to +5V, the resistor R6 is connected in series with the resistor R6, one end of the resistor R6 is connected in series with the capacitor C6, the other end of the capacitor C6 is connected to ground, a node in series with the resistor R6 is connected to the pin 7 of the time-base circuit NE555-U6, one end of the resistor R6 is connected to the pin 2, 6 of the resistor NE 6 and the resistor R6, a node in series with the resistor R6 is connected to the base of the transistor Q6, a collector of the resistor Q6 is connected in series with the collector of the resistor R6, and the resistor R6 is connected to the collector of the transistor Q6 in series, the other end of the capacitor C10 is connected with an emitter of a triode Q2, the emitter of a triode Q2 is grounded through a resistor R11, a series node of a resistor R12 and a capacitor C10 is connected with a pin 2 of a time-base circuit NE555-U6, a series node of a resistor R12 and a capacitor C10 is grounded through a resistor R13, pins 4 and 8 of the time-base circuit NE555-U5 are respectively connected with +5V, a pin 5 of the time-base circuit NE555-U5 is grounded through a capacitor C9, the pin 8 of the time-base circuit NE555-U5 is connected with a capacitor C7 and a capacitor C8 in parallel, and the other ends of the capacitor C7 and the capacitor C8 are respectively grounded;
the PWM dimming circuit comprises a time-base circuit NE555-U6, a resistor R14, a resistor R15, a capacitor C11, a capacitor C12, a capacitor C13, a capacitor C14, a triode Q3 and a potentiometer VR1, wherein one end of the potentiometer VR1 is connected with a controllable end and is connected with +5V of a power supply, the other end of the potentiometer VR1 is connected with the resistor R14 in series, the other end of the resistor R14 is connected with the capacitor C11 in series, the other end of the capacitor C11 is grounded, the other end of the potentiometer VR1 is connected with a node in series with the resistor R1 and pins 6 and 7 of the time-base circuit NE 555-U1, pins 4 and 8 of the time-base circuit NE 555-U1 are respectively connected with +5V, the pin 5 of the time-base circuit NE 555-U1 is grounded through the capacitor C1, the pin 8 of the time-base circuit NE 555-U1 is connected with the capacitor C1 and the base of the triode Q6853 in parallel, the collector of the triode Q3 is connected with +5V, the emitter of the triode Q3 is grounded through a resistor R15, and the emitter of the triode Q3 is connected with the DIM + end of the LED power supply driver 7;
after the oscillator is powered on, a power supply Vcc charges a capacitor C6 through R9 and R10, and when Uc is less than 1/3Vcc, the OUTPUT OUTPUT =1 of the oscillator and a triode Q2 is cut off. When the Uc is charged to be greater than or equal to 2/3Vcc, the oscillator OUTPUT OUTPUT is turned to 0, the triode Q2 is conducted at the moment, the discharging end is grounded, the capacitor C6 discharges to the ground through the R10, and the Uc is lowered. When Uc drops to 1/3Vcc, oscillator OUTPUT is again inverted to 1, and this is repeated in cycles to obtain a continuously varying oscillating pulse waveform at OUTPUT. The PWM dimming circuit connects pins 6 and 7 of the NE555-U6 in parallel to a resistor R14, and a pulse signal Vi1 is input to pin 2. After the power is turned on, when the 2 pin inputs high level, the DIS (7 pin) terminal is grounded, the voltage at C11 is 0, and the output Vo1 is kept at 0. When a negative pulse is input, the output immediately reverses to Vo1=0, the DIS terminal is grounded, and the charge on C11 quickly drops to zero. When a pulse signal with a certain frequency is input into the pin 2, a square wave signal with a certain frequency is output from the pin 3, and the positive or negative duty ratio of the square wave signal is determined by the potentiometer VR1, the capacitor C11, the resistor R14 and the voltage supplied by the resistor R14. When the voltage of the power supply is fixed and unchanged, the duty ratio of the PWM signal can be changed by adjusting the potentiometer VR1, so that the dimming of the whole UVLED light source module can be carried out.
Compared with the prior art, the invention has the following beneficial effects: a touch type nail beautifying baking lamp control circuit adopts a UV-ALED lamp as a light source, achieves that baking time can be adjusted, the time can be selected from 35S, 46S, 53S, 71S, 85S, 108S, 169S and 208S, and meanwhile adopts a working mode of a control circuit with a touch switch as a control module to change the duty ratio of PWM signals in a PWM control module, so that dimming with the duty ratio of 0-100% can be achieved, the illumination intensity is controlled, and energy can be saved.
Drawings
FIG. 1 is a block diagram of the circuit of the present invention.
Fig. 2 is a schematic circuit diagram of the present invention.
Number designation in the figures: 1. the LED lamp module comprises a power module, 2 a touch switch module, 3 a time setting switch, 4 a timing control module, 5 a PWM control module, 6 a relay drive circuit, 7 an LED power driver and 8 a UVLED light source module.
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
A touch type nail-beautifying baking lamp control circuit is shown in figures 1-2 and comprises a power module 1, a touch switch module 2, a relay driving circuit 6, an LED power driver 7 and an UVLED light source module 8, wherein the output end of the touch switch module 2 is connected with the input end of the relay driving circuit 6, the touch switch module 2 is used for controlling the on and off of the relay driving circuit 6, the output end of the relay driving circuit 6 is connected with the input end of the LED power driver 7, the output end of the LED power driver 7 is connected with the input end of the UVLED light source module 8, the relay driving circuit 6 controls the on and off of the UVLED light source module 8, and the power module 1 supplies power for the touch switch module 2, the relay driving circuit 6 and the LED power driver 7.
The power module 1 is characterized in that 220V alternating current is subjected to voltage reduction through a 12V output transformer, low-voltage alternating current obtained by the voltage reduction is rectified through a rectifier bridge, full-wave direct current output by rectification is subjected to capacitor filtering, and then is subjected to voltage stabilization through three-terminal voltage stabilizers LM7812 and LM7805 to output stable DC12V/DC 5V.
Touch mode switch module 2 includes VKD233DR, inductive switch, electric capacity C4 and electric capacity C5, inductive switch is connected with VKD233 DR's 1 foot, 1 foot and electric capacity C4 one end of VKD233DR are connected, electric capacity C4 other end ground connection, 2 feet ground connection of VKD233DR, 4 feet and electric capacity C5 one end of VKD233DR are connected, electric capacity C5 other end ground connection, 5 feet, 6 feet of VKD233DR connect +5V, 3 feet of VKD233DR are connected with 4 feet of EC340EGB as output pin.
The relay driving circuit 6 comprises a resistor R3, a triode Q1, a relay RL1 and a diode D2, an emitter of the triode Q1 is connected with a power supply end +5V, one end of a collector of the triode Q1 is connected with the relay RL1, the other end of the relay RL1 is grounded, the diode D2 is connected with two ends of the relay RL1 in parallel, an 8-pin of the EC340EGB is used as an output end to be connected with one end of a resistor R3, and one end of the resistor R3 is connected with a base electrode of the triode Q1.
When a human hand contacts the inductive switch, the touch switch module 2 can detect the human hand, and the relay driving circuit 6 is electrified to work, so that the LED power supply driver 7 is controlled, and the UVLED light source module 8 is lightened. When the equipment is in operation, when the sensing touch panel is touched by a human hand, the touch module switch module 2 detects the change of frequency, so that the nail-beautifying baking lamp is controlled to be turned on, and when the touch panel is touched again, the equipment is turned off.
Example 2
The utility model provides a touch beautiful first roast lamp control circuit, as shown in fig. 1-2, still includes time setting switch 3 and timing control module 4, timing control module 4's input is connected with the output of touch switch module, timing control module 4's output is connected with relay drive circuit 6's input, time setting switch 3 is connected with timing control module 4, time setting switch 3 is used for the length of setting time, timing control module 4 has realized the time control of 8 gears through time setting switch 3, and power module 1 supplies power for time setting switch 3 and timing control module 4.
The time setting switch 3 comprises a code pulling switch S1 and resistors R1-R8, one end of the code pulling switch S1 is connected with 6 pins of the EC340EGB in parallel, pins at the other end of the code pulling switch S1 are connected with the resistors R1-R8 in series one by one, and the other ends of the resistors R1-R8 are connected with 5 pins of the EC340EGB in parallel.
The timing control module 4 comprises an EC340EGB and a diode D1, one end of the diode D1 is connected with a power supply end +5V, the other end of the diode D1 is connected with a pin 1 of the EC340EGB, a pin 7 of the EC340EGB is grounded, and a pin 8 of the EC340EGB is used as an output end and is connected with one end of a resistor R3.
When the human hand contacts the inductive switch, the touch switch module 2 can detect the human hand, so as to control the timing control module 4, and when the timing control module 4 works, the relay drive circuit 6, the LED power supply driver 7 and the UVLED light source module 8 can be controlled to work for a long time. The timing control module 4 is set through the code pulling of the code pulling switch, the timing control module 4 is powered on to output a high level, the key starts to time, the timing control module 4 outputs a low level, the timed time is up, and the timing control module 4 outputs the high level. The timing control module 4KEY1=0 and KEY2=0 are all suspended, and the timing control module 4 has 8 shift positions of time through the code pulling of the code pulling switch, and the time is selected from 35S, 46S, 53S, 71S, 85S, 108S, 169S and 208S.
Example 3
A touch type nail beautifying baking lamp control circuit is shown in figures 1-2 and further comprises a PWM control module 5, the output end of the PWM control module 5 is connected with the input end of an LED power supply driver 7, the PWM control module 5 comprises an oscillator and a PWM dimming circuit, and the PWM control module 5 achieves current regulation of the LED power supply driver 7 so as to achieve dimming of a UVLED light source module 8.
The PWM control module 5 comprises an oscillator and a PWM dimming circuit, the oscillator comprises a time-base circuit NE555-U5, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a capacitor C6 and a triode Q6, one end of the resistor R6 is connected with +5V, the resistor R6 is connected with the resistor R6 in series, one end of the resistor R6 is connected with the capacitor C6 in series, the other end of the capacitor C6 is connected with the ground, the serial node of the resistor R6 and the resistor R6 is connected with the base of the time-base circuit 555 NE-U6, one end of the resistor R6 is connected with the serial node of the capacitor C6 and the pins 2 and 6 of the time-base circuit NE-U6, the 3 pin of the time-base circuit NE555-U6 is connected with the base of the triode Q6, the collector of the transistor Q6 is connected with the +5V, the collector of the resistor R6 and the collector of the resistor 6 and the other end of the resistor 6 are connected with the transistor Q6 in series, the other end of the capacitor C10 is connected with an emitter of a triode Q2, the emitter of a triode Q2 is grounded through a resistor R11, a series node of a resistor R12 and a capacitor C10 is connected with a pin 2 of a time-base circuit NE555-U6, a series node of a resistor R12 and a capacitor C10 is grounded through a resistor R13, pins 4 and 8 of the time-base circuit NE555-U5 are respectively connected with +5V, a pin 5 of the time-base circuit NE555-U5 is grounded through a capacitor C9, the pin 8 of the time-base circuit NE555-U5 is connected with a capacitor C7 and a capacitor C8 in parallel, and the other ends of the capacitor C7 and the capacitor C8 are respectively grounded;
the PWM dimming circuit comprises a time-base circuit NE555-U6, a resistor R14, a resistor R15, a capacitor C11, a capacitor C12, a capacitor C13, a capacitor C14, a triode Q3 and a potentiometer VR1, wherein one end of the potentiometer VR1 is connected with a controllable end and is connected with +5V of a power supply, the other end of the potentiometer VR1 is connected with the resistor R14 in series, the other end of the resistor R14 is connected with the capacitor C11 in series, the other end of the capacitor C11 is grounded, the other end of the potentiometer VR1 is connected with a node in series with the resistor R1 and pins 6 and 7 of the time-base circuit NE 555-U1, pins 4 and 8 of the time-base circuit NE 555-U1 are respectively connected with +5V, the pin 5 of the time-base circuit NE 555-U1 is grounded through the capacitor C1, the pin 8 of the time-base circuit NE 555-U1 is connected with the capacitor C1 and the base of the triode Q6853 in parallel, the collector of the triode Q3 is connected with +5V, the emitter of the triode Q3 is grounded through a resistor R15, and the emitter of the triode Q3 is connected with the DIM + end of the LED power supply driver 7;
after the oscillator is powered on, a power supply Vcc charges a capacitor C6 through R9 and R10, and when Uc is less than 1/3Vcc, the OUTPUT OUTPUT =1 of the oscillator and a triode Q2 is cut off. When the Uc is charged to be greater than or equal to 2/3Vcc, the oscillator OUTPUT OUTPUT is turned to 0, the triode Q2 is conducted at the moment, the discharging end is grounded, the capacitor C6 discharges to the ground through the R10, and the Uc is lowered. When Uc drops to 1/3Vcc, oscillator OUTPUT is again inverted to 1, and this is repeated in cycles to obtain a continuously varying oscillating pulse waveform at OUTPUT. The PWM dimming circuit connects pins 6 and 7 of the NE555-U6 in parallel to a resistor R14, and a pulse signal Vi1 is input to pin 2. After the power is turned on, when the 2 pin inputs high level, the DIS (7 pin) terminal is grounded, the voltage at C11 is 0, and the output Vo1 is kept at 0. When a negative pulse is input, the output immediately reverses to Vo1=0, the DIS terminal is grounded, and the charge on C11 quickly drops to zero. When a pulse signal with a certain frequency is input into the pin 2, a square wave signal with a certain frequency is output from the pin 3, and the positive or negative duty ratio of the square wave signal is determined by the potentiometer VR1, the capacitor C11, the resistor R14 and the voltage supplied by the resistor R14. When the voltage of the power supply is constant, the duty ratio of the PWM signal can be changed by adjusting the potentiometer VR1, so that the entire UVLED light source module 8 can be dimmed.
The oscillator in the PWM control module 5 generates a unique, fixed frequency pulse signal as a reference control signal for the entire drive circuit. The PWM dimming circuit can respectively adjust the width of the positive duty ratio on the basis of fixed pulse signal period. The potentiometer VR1 in the PWM dimming circuit is adjusted to change the duty ratio of the PWM signal, so as to achieve the dimming effect. The light source part of the baking lamp consists of an LED power supply driver 7 and a UVLED light source module 8. The driving current output by the LED power driver 7 is in direct proportion to the received PWM positive duty ratio, PWM is set through a potentiometer VR1 in the PWM control module 5, the LED power driver 7 receives the PWM signal with the adjustable duty ratio, outputs the driving current consistent with the PWM signal, and drives the UVLED light source module 8 to emit light, so that the UVLED light source module 8 is controlled to emit light.
The touch mode switch module 2 adopts VKD233DR, the VKD233DR is a single-key touch detection chip, a voltage stabilizing circuit is built in the touch detection chip, stable voltage is provided for a touch sensing circuit, the stable touch detection effect can widely meet the requirements of different applications, the touch detection chip is specially designed for replacing the traditional keys, the size of a touch detection PAD can be designed in a reasonable range according to different sensitivities, and the touch detection PAD has low power consumption and wide working voltage, and is the characteristic of the touch chip in DC or AC application.
The low-level trigger is a trigger mode that the cathode voltage of a GND end is connected with a trigger end, and when the trigger end has 0V voltage or the voltage is low enough to trigger, the relay is closed.
The timing control module 4 adopts a timing IC chip EC340EGB, and the timing IC chip EC340EGB adopts a CMOS production manufacturing process, so that the power consumption of the timing control module is low. The working voltage is wide, and the anti-interference capability is strong. The OUT output level is selectable, the timing time range is wide, and the timing is 8 times different. The power-on outputs high level, the key starts to time, the IC chip EC340EGB outputs low level, the time of the timing is up, and the IC chip EC340EGB outputs high level.
The above description is only an example of the present invention and is not intended to limit the present invention. All equivalents which come within the spirit of the invention are therefore intended to be embraced therein. Details not described herein are well within the skill of those in the art.
Claims (1)
1. The utility model provides a touch nail beauty roast lamp control circuit which characterized in that: the touch control circuit comprises a power module (1), a touch switch module (2), a relay driving circuit (6), an LED power driver (7) and an UVLED light source module (8), wherein the output end of the touch switch module (2) is connected with the input end of the relay driving circuit (6), the touch switch module (2) is used for controlling the on and off of the relay driving circuit (6), the output end of the relay driving circuit (6) is connected with the input end of the LED power driver (7), the output end of the LED power driver (7) is connected with the input end of the UVLED light source module (8), the relay driving circuit (6) controls the on and off of the UVLED light source module (8), and the power module (1) supplies power for the touch switch module (2), the relay driving circuit (6) and the LED power driver (7); the power supply module (1) is characterized in that 220V alternating current is subjected to voltage reduction through a 12V output transformer, low-voltage alternating current obtained through voltage reduction is rectified through a rectifier bridge stack, full-wave direct current output by rectification is subjected to capacitor filtering, and then is subjected to voltage stabilization through a three-terminal voltage stabilizer LM7812 and an LM7805 to output stable DC12V/DC 5V; the touch switch module (2) comprises a VKD233DR, an inductive switch, a capacitor C4 and a capacitor C5, wherein the inductive switch is connected with pin 1 of the VKD233DR, pin 1 of the VKD233DR is connected with one end of a capacitor C4, the other end of the capacitor C4 is grounded, pin 2 of the VKD233DR is grounded, pin 4 of the VKD233DR is connected with one end of a capacitor C5, the other end of the capacitor C5 is grounded, pins 5 and 6 of the VKD233DR are connected with +5V, and pin 3 of the VKD233DR is connected with pin 4 of an EC340EGB as an output pin; the relay driving circuit (6) comprises a resistor R3, a triode Q1, a relay RL1 and a diode D2, an emitter of the triode Q1 is connected with a power supply end +5V, one end of a collector of the triode Q1 is connected with the relay RL1, the other end of the relay RL1 is grounded, the diode D2 is connected with two ends of the relay RL1 in parallel, an 8-pin of the EC340EGB is used as an output end to be connected with one end of a resistor R3, and one end of the resistor R3 is connected with a base of the triode Q1; the timing control circuit comprises a touch switch module, a timing control module (4), a time setting switch (3) and a power module (1), wherein the input end of the timing control module (4) is connected with the output end of the touch switch module, the output end of the timing control module (4) is connected with the input end of a relay driving circuit (6), the time setting switch (3) is connected with the timing control module (4), the time setting switch (3) is used for setting the length of time, the timing control module (4) realizes time control of 8 gears through the time setting switch (3), and the power module (1) supplies power for the time setting switch (3) and the timing control module (4); the time setting switch (3) comprises a code pulling switch S1 and resistors R1-R8, one end of the code pulling switch S1 is connected with 6 pins of the EC340EGB in parallel, pins at the other end of the code pulling switch S1 are connected with the resistors R1-R8 in series one by one, and the other ends of the resistors R1-R8 are connected with 5 pins of the EC340EGB in parallel; the timing control module (4) comprises an EC340EGB and a diode D1, one end of the diode D1 is connected with a power supply end +5V, the other end of the diode D1 is connected with a pin 1 of the EC340EGB, a pin 7 of the EC340EGB is grounded, and a pin 8 of the EC340EGB is used as an output end and is connected with one end of a resistor R3; the LED dimming circuit is characterized by further comprising a PWM control module (5), wherein the output end of the PWM control module (5) is connected with the input end of the LED power supply driver (7), the PWM control module (5) comprises an oscillator and a PWM dimming circuit, and the PWM control module (5) is used for adjusting the current of the LED power supply driver (7) so as to realize dimming of the UVLED light source module (8);
the PWM control module (5) comprises an oscillator and a PWM dimming circuit, the oscillator comprises a time-base circuit NE555-U5, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a capacitor C6 and a triode Q6, one end of the resistor R6 is connected with +5V, the resistor R6 is connected with the resistor R6 in series, one end of the resistor R6 is connected with the capacitor C6 in series, the other end of the capacitor C6 is connected with the ground, a serial node of the resistor R6 and the resistor R6 is connected with a pin 7 of the time-base circuit NE555-U6, one end of the resistor R6 is connected with a serial node of the capacitor C6 and pins 2 and 6 of the time-base circuit NE 6, a pin 3 of the time-base circuit NE555-U6 is connected with a base of the triode Q6, a collector of the transistor Q4 is connected with a +5V, and a collector of the resistor R6 and a collector of the resistor 6 and a resistor 6 are connected with a collector of the transistor Q6 in series, the other end of the capacitor C10 is connected with an emitter of a triode Q2, the emitter of a triode Q2 is grounded through a resistor R11, a series node of a resistor R12 and a capacitor C10 is connected with a pin 2 of a time-base circuit NE555-U6, a series node of a resistor R12 and a capacitor C10 is grounded through a resistor R13, pins 4 and 8 of the time-base circuit NE555-U5 are respectively connected with +5V, a pin 5 of the time-base circuit NE555-U5 is grounded through a capacitor C9, the pin 8 of the time-base circuit NE555-U5 is connected with a capacitor C7 and a capacitor C8 in parallel, and the other ends of the capacitor C7 and the capacitor C8 are respectively grounded;
the PWM dimming circuit comprises a time-base circuit NE555-U6, a resistor R14, a resistor R15, a capacitor C11, a capacitor C12, a capacitor C13, a capacitor C14, a triode Q3 and a potentiometer VR1, wherein one end of the potentiometer VR1 is connected with a controllable end and is connected with +5V of a power supply, the other end of the potentiometer VR1 is connected with the resistor R14 in series, the other end of the resistor R14 is connected with the capacitor C11 in series, the other end of the capacitor C11 is grounded, the other end of the potentiometer VR1 is connected with a node in series with the resistor R1 and pins 6 and 7 of the time-base circuit NE 555-U1, pins 4 and 8 of the time-base circuit NE 555-U1 are respectively connected with +5V, the pin 5 of the time-base circuit NE 555-U1 is grounded through the capacitor C1, the pin 8 of the time-base circuit NE 555-U1 is connected with the capacitor C1 and the base of the triode Q6853 in parallel, the collector of the triode Q3 is connected with +5V, the emitter of the triode Q3 is grounded through a resistor R15, and the emitter of the triode Q3 is connected with the DIM + end of the LED power supply driver 7;
after the oscillator is powered on, a power supply Vcc charges a capacitor C6 through R9 and R10, when Uc is less than 1/3Vcc, the OUTPUT OUTPUT =1 of the oscillator is cut off, and a triode Q2 is cut off; when the Uc is charged to be greater than or equal to 2/3Vcc, the OUTPUT of the oscillator is turned to 0, at the moment, the triode Q2 is conducted, the discharging end is grounded, the capacitor C6 discharges to the ground through the R10, and the Uc is lowered; when Uc drops to 1/3Vcc, the OUTPUT of the oscillator is turned to 1 again, and in this way, the continuously-changing oscillation pulse waveform is obtained at the OUTPUT end of the oscillator; the PWM dimming circuit connects pins 6 and 7 of the NE555-U6 in parallel to a resistor R14, and a pulse signal Vi1 is input to a pin 2; after the power is switched on, when a 2-pin inputs a high level, the DIS (7-pin) end is grounded, the voltage on the C11 is 0, and the output Vo1 is kept to be 0; when negative pulse is input, the output is immediately inverted to Vo1=0, the DIS end is grounded, and the charge on C11 is quickly put to zero; when a pulse signal with a certain frequency is input into the pin 2, a square wave signal with a certain frequency is output from the pin 3, and the positive or negative duty ratio of the square wave signal is determined by the potentiometer VR1, the capacitor C11, the resistor R14 and the voltage supplied by the resistor R14; when the voltage of the power supply is fixed, the duty ratio of the PWM signal can be changed by adjusting the potentiometer VR1, so that the dimming of the whole UVLED light source module (8) can be carried out.
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| CN201910862331.9A CN110557867B (en) | 2019-09-12 | 2019-09-12 | Touch nail-beautifying baking lamp control circuit |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207355688U (en) * | 2017-07-19 | 2018-05-15 | 中山市光圣半导体科技有限责任公司 | A kind of LED nail lamps |
| CN108668407A (en) * | 2018-04-02 | 2018-10-16 | 佛山市易恒照明光电有限公司 | A kind of mirror lamp touching light modulation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI411229B (en) * | 2009-12-30 | 2013-10-01 | Delta Electronics Inc | Touch sensing circuits and methods |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207355688U (en) * | 2017-07-19 | 2018-05-15 | 中山市光圣半导体科技有限责任公司 | A kind of LED nail lamps |
| CN108668407A (en) * | 2018-04-02 | 2018-10-16 | 佛山市易恒照明光电有限公司 | A kind of mirror lamp touching light modulation |
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