CN113873736A - A LED germicidal lamp control circuit - Google Patents
A LED germicidal lamp control circuitDownload PDFInfo
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- CN113873736A CN113873736ACN202111275947.XACN202111275947ACN113873736ACN 113873736 ACN113873736 ACN 113873736ACN 202111275947 ACN202111275947 ACN 202111275947ACN 113873736 ACN113873736 ACN 113873736A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/16—Controlling the light source by timing means
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultraviolet radiation
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/0033—Heating devices using lamps
- H05B3/0085—Heating devices using lamps for medical applications
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- 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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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
Translated fromChinese
Description
Technical Field
The invention relates to LED illumination, in particular to an LED sterilization lamp-loading control circuit.
Background
Medical staff in hospital clinical laboratories need to contact a large number of laboratory sheets, which are passed around in hospitals and easily spread diseases, thus causing harm to the medical staff.
Medical staff generally puts into sterilizing equipment with a large amount of laboratory test reports in unison, then utilize the ultraviolet ray disinfection of disinfecting, the trouble of comparison, current sterilizing equipment is generally heavier moreover, inconvenient carrying, lead to medical staff can disinfect to the laboratory test reports of hand at any time, still probably be infected with the disease by the laboratory test reports, in addition current sterilizing equipment's function is more single, can only disinfect alone, do not have the function of heat drying, to the above-mentioned problem, a LED dress lamp control circuit that disinfects that conveniently carries has been designed.
Disclosure of Invention
In order to overcome the defects that the existing sterilization devices are generally heavier and inconvenient to carry, the invention has the technical problems that: the portable LED sterilization lamp-loading control circuit is provided.
An LED sterilization lamp-loading control circuit comprises a USB interface, a battery charging management circuit, a voltage stabilizing circuit, a flashlight button, a storage battery, a timing chip control circuit, a disinfection output control circuit, an electric quantity adjustable circuit, an LED flashlight, a battery voltage detection circuit, a disinfection switch, an electric quantity display circuit, a heater, a heating switch, a safety switch, a heating output control circuit and a disinfection LED lamp, wherein the USB interface is connected with the input end of the battery charging management circuit, the flashlight button is connected with the input end of the battery charging management circuit, the output end of the electric quantity adjustable circuit is connected with the input end of the battery charging management circuit, the output end of the electric quantity display circuit is connected with the input end of the battery charging management circuit, the output end of the battery voltage detection circuit is connected with the input end of the battery charging management circuit, and the LED flashlight is connected with the output end of the battery charging management circuit, the output end of the battery charging management circuit is connected with the input end of the voltage stabilizing circuit, the output end of the voltage stabilizing circuit is connected with the input end of the timing chip control circuit, the disinfection switch is connected with the input end of the timing chip control circuit, the heating switch is connected with the input end of the timing chip control circuit, the safety switch is connected with the input end of the timing chip control circuit, the output end of the timing chip control circuit is connected with the input end of the disinfection output control circuit, the output end of the disinfection output control circuit is connected with the disinfection LED lamp, the output end of the timing chip control circuit is connected with the input end of the heating output control circuit, the output end of the heating output control circuit is connected with the heater, the storage battery is a battery charging management circuit, a voltage stabilizing circuit, a key, a timing chip control circuit, a disinfection output control circuit, a flashlight, a timing chip control circuit, a disinfection output control circuit, a timing chip control circuit, a safety switch, a switch and a switch, a switch, The electric quantity adjustable circuit, the LED flashlight, the battery voltage detection circuit, the disinfection switch, the electric quantity display circuit, the heater, the heating switch, the safety switch, the heating output control circuit and the disinfection LED lamp are powered.
Further, the USB interface, the battery charging management circuit, the flashlight button, the electric quantity adjustable circuit, the LED flashlight and the battery voltage detection circuit include an interface USB-U2, an electrolytic capacitor EC1, a battery charging management chip ETA9870-U4, capacitors C5-C6, an inductor L1, a battery BT1, a resistor R2, a resistor R4, a tact switch SW2 and a light emitting diode VD5, wherein a pin 1 of the interface USB-U2 is connected with a pin 1 of the battery charging management chip ETA9870-U4, apin 4 of the interface USB-U2 is grounded, a pin 1 of the battery charging management chip ETA9870-U4 is connected in series with the positive electrode of the electrolytic capacitor EC1, a negative electrode of the electrolytic capacitor EC1 is grounded, a resistor R2 is connected in series with a cathode of the light emitting diode VD5, two ends of the resistor R2 and the light emitting diode 5 are connected in parallel with a resistor R4 and a terminal SW 9857 of the light contact switch SW2, and a terminal of the battery charging management chip U4, the other end of the inductor L1 is connected with an inductor L1 in series after being connected in parallel, the other end of the inductor L1 is connected with 7 pins of a battery charging management chip ETA9870-U4, 6 pins of the battery charging management chip ETA9870-U4 are connected with the positive electrode of a battery BT1, the negative electrode of the battery BT1 is grounded, the positive electrode of the battery BT1 is connected with a capacitor C6 in series, the other end of the capacitor C6 is grounded, the 8 pins of the battery charging management chip ETA9870-U4 are connected with a capacitor C5 in series, and the other end of the capacitor C5 is grounded.
Further, the electric quantity display circuit comprises a resistor R1, a resistor R3 and light emitting diodes VD 1-VD 4, the anode of the light-emitting diode VD1 is connected with the anode of the light-emitting diode VD4 in series, the cathode of the light-emitting diode VD2 is connected with the cathode of the light-emitting diode VD3 in series, cathodes of the light emitting diode VD1 and the light emitting diode VD4 are connected in parallel with anodes of the light emitting diode VD2 and the light emitting diode VD3, one end of the resistor R1 is connected in series with a resistor R1, the other end of the resistor R1 is connected with the 2 pins of the battery charging management chip ETA9870-U4, the other end of the resistor R3 is connected with a resistor R3 in series after being connected in parallel, the other end of the resistor R3 is connected with the 4 pins of the battery charging management chip ETA9870-U4, the pin 3 of the battery charging management chip ETA9870-U4 is connected with the node between the light emitting diode VD1 and the light emitting diode VD4, the pin 3 of the battery charging management chip ETA9870-U4 is connected with the node between the light emitting diode VD2 and the light emitting diode VD 3.
Further, the voltage stabilizing circuit comprises three-terminal voltage stabilizing chips MD7130-U1 and capacitors C1-C4, wherein 1 pin of each of the three-terminal voltage stabilizing chips MD7130-U1 is grounded, 2 pins of the three-terminal voltage stabilizing chips MD7130-U1 are connected with 8 pins of a battery charging management chip ETA9870-U4, 2 pins of the three-terminal voltage stabilizing chips MD7130-U1 and 1 pin thereof are connected with a capacitor C1 in parallel, two ends of the capacitor C1 are connected with a capacitor C2 in parallel, 3 pins of the three-terminal voltage stabilizing chips MD7130-U1 and 1 pin thereof are connected with a capacitor C3 in parallel, and two ends of the capacitor C3 are connected with a capacitor C4 in parallel.
Further, the timing chip control circuit comprises a timing chip 9FF3-U3 and a capacitor C7, wherein 1 pin of the timing chip 9FF3-U3 is connected with 3 pins of three-terminal voltage stabilization chips MD7130-U1, 1 pin of the timing chip 9FF3-U3 is connected with 8 pins of the timing chip in parallel with the capacitor C7, and 8 pins of the timing chip 9FF3-U3 are grounded.
Further, the disinfection switch is a tact switch SW1, one end of the tact switch SW1 is grounded, and the other end of the tact switch SW1 is connected with the 2-pin of the timing chip 9FF 3-U3.
Further, the heating switch is a tact switch SW3, one end of the tact switch SW3 is grounded, and the other end of the tact switch SW3 is connected to pin 3 of the timing chip 9FF 3-U3.
Further, the disinfection switch is a switch S1, one end of the switch S1 is grounded, and the other end of the switch S1 is connected to the 4-pin of the timing chip 9FF 3-U3.
Further, the heating output control circuit comprises a light emitting diode VD12, a resistor R7, resistors R9-R10, a heater PTC1 and an N-channel field effect tube Q2, wherein the anode of the light emitting diode VD12 is connected with the 6 feet of the timing chip 9FF3-U3, the cathode of the light emitting diode VD12 is connected with the resistor R10 in series, the other end of the resistor R10 is connected with the drain of the N-channel field effect tube Q2, the source of the N-channel field effect tube Q2 is grounded, the gate of the N-channel field effect tube Q2 is connected with the resistor R7 in series, the other end of the resistor R7 is connected with the 6 feet of the timing chip 9FF3-U3, the gate of the N-channel field effect tube Q2 is connected with the source of the resistor R9 in parallel, one end of the heater PTC1 is connected with the drain of the N-channel field effect tube Q2, and the other end of the heater PTC1 is connected with the 6 feet of the three-terminal voltage stabilizing chip 7130-U1.
Further, the disinfection output control circuit comprises resistors R5-R6, a resistor R8, an N-channel field effect transistor Q1 and light emitting diodes VD 6-VD 11, the light emitting diodes VD 6-VD 11 are connected in parallel, an anode is connected with a resistor R5 in series after being connected in parallel, the other end of the resistor R5 is connected with apin 2 of a three-terminal voltage stabilization chip MD7130-U1, a cathode after being connected in parallel is connected with a drain electrode of the N-channel field effect transistor Q1, a source electrode of the N-channel field effect transistor Q1 is grounded, a grid electrode of the N-channel field effect transistor Q1 is connected with the resistor R6 in series, the other end of the resistor R6 is connected with apin 2 of the three-terminal voltage stabilization chip MD7130-U1, and a grid electrode of the N-channel field effect transistor Q1 is connected with a source electrode thereof in parallel with the resistor R8.
The invention has the beneficial effects that: 1. the LED disinfection lamp can disinfect the laboratory sheet, the laboratory sheet can be heated and dried by the heater in the disinfection process, and the LED disinfection lamp is small in size and convenient to carry.
2. According to the invention, the electric quantity of the storage battery can be displayed by pressing the flashlight key for a short time, and the LED flashlight can be controlled to be switched on and off by pressing the flashlight key for a long time, so that the LED flashlight is convenient for people to use.
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.
Reference numbers in the drawings: 1: USB interface, 2: battery charge management circuit, 3: voltage stabilizing circuit, 4: flashlight button, 5: a storage battery, 6: timing chip control circuit, 7: sterilization output control circuit, 8: electric quantity adjustable circuit, 9: LED flashlight, 10: battery voltage detection circuit, 11: disinfection switch, 12: electric quantity display circuit, 13: heater, 14: heating switch, 15: safety switch, 16: heating output control circuit, 17: and (4) sterilizing the LED lamp.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which presently preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for completeness and fully convey the scope of the invention to the skilled person.
Example 1
An LED sterilization lamp-loading control circuit is shown in figure 1 and comprises a USB interface 1, a batterycharging management circuit 2, a voltage stabilizing circuit 3, aflashlight button 4, a storage battery 5, a timingchip control circuit 6, a disinfection output control circuit 7, an electric quantityadjustable circuit 8, an LED flashlight 9, a batteryvoltage detection circuit 10, a disinfection switch 11, an electricquantity display circuit 12, aheater 13, aheating switch 14, asafety switch 15, a heatingoutput control circuit 16 and adisinfection LED lamp 17, wherein the USB interface 1 is connected with the input end of the batterycharging management circuit 2, theflashlight button 4 is connected with the input end of the batterycharging management circuit 2, the output end of the electric quantityadjustable circuit 8 is connected with the input end of the batterycharging management circuit 2, the output end of the electricquantity display circuit 12 is connected with the input end of the batterycharging management circuit 2, the output end of the batteryvoltage detection circuit 10 is connected with the input end of the batterycharging management circuit 2, the LED flashlight 9 is connected with the output end of the batterycharging management circuit 2, the output end of the batterycharging management circuit 2 is connected with the input end of the voltage stabilizing circuit 3, the output end of the voltage stabilizing circuit 3 is connected with the input end of the timingchip control circuit 6, the disinfection switch 11 is connected with the input end of the timingchip control circuit 6, theheating switch 14 is connected with the input end of the timingchip control circuit 6, thesafety switch 15 is connected with the input end of the timingchip control circuit 6, the output end of the timingchip control circuit 6 is connected with the input end of the disinfection output control circuit 7, the output end of the disinfection output control circuit 7 is connected with thedisinfection LED lamp 17, the output end of the timingchip control circuit 6 is connected with the input end of the heatingoutput control circuit 16, and the output end of the heatingoutput control circuit 16 is connected with theheater 13, the storage battery 5 supplies power for a batterycharging management circuit 2, a voltage stabilizing circuit 3, aflashlight button 4, a timingchip control circuit 6, a disinfection output control circuit 7, an electric quantityadjustable circuit 8, an LED flashlight 9, a batteryvoltage detection circuit 10, a disinfection switch 11, an electricquantity display circuit 12, aheater 13, aheating switch 14, asafety switch 15, a heatingoutput control circuit 16 and adisinfection LED lamp 17.
People can charge the storage battery 5 through the USB interface 1 and can supply power to the whole LED sterilization lamp control circuit, when the input voltage is low, the batterycharging management circuit 2 can enter a boosting mode to boost the voltage of the storage battery 5 to 5V to supply power to the output, if the load of the output end is lower than 30mA and exceeds 60s, the batterycharging management circuit 2 closes the boosting mode and enters a sleep mode, when the load of the sleep mode is loaded, the boosting mode is entered again, the electric quantity of the storage battery 5 can be displayed by the electricquantity display circuit 12 by pressing theflashlight button 4 for a short time, under the condition that the storage battery 5 is not provided, the output voltage is equal to the input voltage, the electricquantity display circuit 12 enters a horse race mode, when people need to illuminate, theLED flashlight button 4 can be illuminated by pressing the flashlight 9 for a long time, the lighting is provided for people, theflashlight button 4 is pressed for a long time again, the LED flashlight 9 can stop working, when people need to disinfect the laboratory sheet, the disinfection switch 11 is pressed for a short time, the disinfection switch 11 sends a signal, the timingchip control circuit 6 receives the signal and then controls the disinfection output control circuit 7 to start working, meanwhile, the timingchip control circuit 6 starts timing for 5 minutes, the disinfection output control circuit 7 controls thedisinfection LED lamp 17 to start working, thedisinfection LED lamp 17 can send purple light to disinfect the laboratory sheet, the voltage stabilizing circuit 3 has the function of stabilizing voltage, after 5 minutes, the timingchip control circuit 6 controls the disinfection output control circuit 7 to stop working, the disinfection output control circuit 7 controls thedisinfection LED lamp 17 to stop working, in the working process of thedisinfection LED lamp 17, people can directly press the disinfection switch 11 for a short time again to stop working thedisinfection LED lamp 17, when people need to heat the laboratory sheet, short press theheating switch 14, theheating switch 14 sends out a signal, the timingchip control circuit 6 receives the signal and then controls the heatingoutput control circuit 16 to start working, meanwhile, the timingchip control circuit 6 starts timing for 5 minutes, the heatingoutput control circuit 16 controls theheater 13 to start working, theheater 13 can heat the laboratory sheet, after 5 minutes, the timingchip control circuit 6 controls the heatingoutput control circuit 16 to stop working, the heatingoutput control circuit 16 controls theheater 13 to stop working, in the working process of theheater 13, people can directly press theheating switch 14 for a short time again, so that theheater 13 stops working, when people open thesafety switch 15, the disinfection switch 11 and theheating switch 14 are invalid, and people can be prevented from touching the disinfection switch 11 and theheating switch 14 by mistake.
Example 2
An LED sterilization and lamp-loading control circuit is disclosed, as shown in FIG. 2, comprising an interface USB-U2, an electrolytic capacitor EC1, a battery charging management chip ETA9870-U4, capacitors C5-C6, an inductor L1, a battery BT1, a resistor R2, a resistor R4, a tact switch SW2 and a light emitting diode VD5, wherein the 1 pin of the interface USB-U2 is connected with the 1 pin of the battery charging management chip ETA9870-U4, the 4 pin of the interface USB-U2 is grounded, the 1 pin of the battery charging management chip ETA9870-U4 is connected in series with the anode of an electrolytic capacitor EC1, the cathode of the electrolytic capacitor EC1 is grounded, the resistor R2 is connected in series with the cathode of a light emitting diode VD5, the two ends of the resistor R2 and the light emitting diode VD5 are connected in parallel with a light contact resistor SW 5928 and a light contact switch SW 599, one end after parallel connection is connected with a pin 5 of the battery charging management chip ETA9870-U4, the other end after parallel connection is connected with an inductor L1 in series, the other end of the inductor L1 is connected with a pin 7 of the battery charging management chip ETA9870-U4, apin 6 of the battery charging management chip ETA9870-U4 is connected with the positive electrode of the battery BT1, the negative electrode of the battery BT1 is grounded, the positive electrode of the battery BT1 is connected with a capacitor C6 in series, the other end of the capacitor C6 is grounded, an 8-pin series capacitor C5 of the battery charging management chip ETA9870-U4 is connected with apin 8, and the other end of the capacitor C5 is grounded.
The electricquantity display circuit 12 comprises a resistor R1, a resistor R3 and light emitting diodes VD 1-VD 4, the anode of the light-emitting diode VD1 is connected with the anode of the light-emitting diode VD4 in series, the cathode of the light-emitting diode VD2 is connected with the cathode of the light-emitting diode VD3 in series, cathodes of the light emitting diode VD1 and the light emitting diode VD4 are connected in parallel with anodes of the light emitting diode VD2 and the light emitting diode VD3, one end of the resistor R1 is connected in series with a resistor R1, the other end of the resistor R1 is connected with the 2 pins of the battery charging management chip ETA9870-U4, the other end of the resistor R3 is connected with a resistor R3 in series after being connected in parallel, the other end of the resistor R3 is connected with the 4 pins of the battery charging management chip ETA9870-U4, the pin 3 of the battery charging management chip ETA9870-U4 is connected with the node between the light emitting diode VD1 and the light emitting diode VD4, the pin 3 of the battery charging management chip ETA9870-U4 is connected with the node between the light emitting diode VD2 and the light emitting diode VD 3.
The voltage stabilizing circuit 3 comprises a three-end voltage stabilizing chip MD7130-U1 and capacitors C1-C4, wherein a pin 1 of the three-end voltage stabilizing chip MD7130-U1 is grounded, apin 2 of the three-end voltage stabilizing chip MD7130-U1 is connected with apin 8 of a battery charging management chip ETA9870-U4, apin 2 of the three-end voltage stabilizing chip MD7130-U1 and a pin 1 thereof are connected with a capacitor C1 in parallel, two ends of the capacitor C1 are connected with a capacitor C2 in parallel, a pin 3 of the three-end voltage stabilizing chip MD7130-U1 and a pin 1 thereof are connected with a capacitor C3 in parallel, and two ends of the capacitor C3 are connected with a capacitor C4 in parallel.
The timingchip control circuit 6 comprises a timing chip 9FF3-U3 and a capacitor C7, wherein 1 pin of the timing chip 9FF3-U3 is connected with 3 pins of a three-terminal voltage stabilization chip MD7130-U1, 1 pin of the timing chip 9FF3-U3 is connected with 8 pins of the timing chip in parallel with the capacitor C7, and 8 pins of the timing chip 9FF3-U3 are grounded.
The disinfection switch 11 is a touch switch SW1, one end of the touch switch SW1 is grounded, and the other end of the touch switch SW1 is connected with the 2 pins of the timing chip 9FF 3-U3.
Theheating switch 14 is a tact switch SW3, one end of the tact switch SW3 is grounded, and the other end of the tact switch SW3 is connected with pin 3 of the timing chip 9FF 3-U3.
The disinfection switch 11 is a switch S1, one end of the switch S1 is grounded, and the other end of the switch S1 is connected with the 4 pins of the timing chip 9FF 3-U3.
The heatingoutput control circuit 16 comprises a light emitting diode VD12, a resistor R7, resistors R9-R10, a heater PTC1 and an N-channel field effect tube Q2, wherein the anode of the light emitting diode VD12 is connected with the 6 pins of a timing chip 9FF3-U3, the cathode of the light emitting diode VD12 is connected with the resistor R10 in series, the other end of the resistor R10 is connected with the drain of the N-channel field effect tube Q2, the source of the N-channel field effect tube Q2 is grounded, the gate of the N-channel field effect tube Q2 is connected with the resistor R7 in series, the other end of the resistor R7 is connected with the 6 pins of the timing chip 9FF3-U3, the gate of the N-channel field effect tube Q2 is connected with the source of the resistor R9 in parallel, one end of the heater PTC1 is connected with the drain of the N-channel field effect tube Q2, and the other end of the heater 1 is connected with the pin of the PTC 7130-U1.
The disinfection output control circuit 7 comprises resistors R5-R6, resistors R8, an N-channel field effect tube Q1 and light emitting diodes VD 6-VD 11, the light emitting diodes VD 6-VD 11 are connected in parallel, an anode series resistor R5 is connected after the parallel connection, the other end of the resistor R5 is connected with apin 2 of a three-terminal voltage stabilization chip MD7130-U1, a cathode after the parallel connection is connected with a drain electrode of the N-channel field effect tube Q1, a source electrode of the N-channel field effect tube Q1 is grounded, a grid series resistor R6 of the N-channel field effect tube Q1, the other end of the resistor R6 is connected with apin 2 of the three-terminal voltage stabilization chip MD7130-U1, and a grid of the N-channel field effect tube Q1 is connected with a source electrode parallel resistor R8.
One can charge the battery BT1 through the interface USB-U2 and can supply power to the whole LED sterilizing and lighting control circuit, when the input voltage is low, the battery charging management chip ETA9870-U4 can enter a boosting mode to boost the voltage of the battery BT1 to 5V to supply power to the output, if the load of the output end is lower than 30mA and exceeds 60s, the battery charging management chip ETA9870-U4 can close the boosting mode and enter a sleeping mode, when the sleeping mode is loaded, the boosting mode can be entered again, when one presses a light touch switch SW2 for a short time, the light emitting diodes VD 1-VD 4 are lightened, the time is prolonged for 5 seconds, so as to display the power of the battery BT1, when the power of the battery BT1 is 100%, the four lamps are fully lightened, when the power of the battery BT1 is 75%, when the power of the battery BT1 is 50%, the two lamps are lightened, and when the power of the battery BT1 is 25%, one lamp is on, when the battery BT1 is not powered, four lamps are not on, after 5 seconds, the light emitting diodes VD1 to VD4 are extinguished, under the condition that the battery BT1 is not provided, the output voltage is equal to the input voltage, the light emitting diodes VD1 to VD4 do not work, when people need to illuminate, the light-touch switch SW2 can be pressed for a long time, the light emitting diodes VD5 are lightened, so that illumination is provided for people, the light-touch switch SW2 is pressed for a long time again, the light emitting diodes VD5 are extinguished, when people need to disinfect the laboratory sheet, the light-touch switch SW1 is pressed for a short time, the light-touch switch SW1 sends a signal to the 2 pin of the timing chips 9FF3-U3, so that the 5 pins of the timing chips 9FF3-U3 output high level, and the timingchip control circuit 6 starts timing for 5 minutes, at the moment, the light emitting diodes VD6 to VD11 are lightened, so that purple light is sent to disinfect the laboratory sheet, the voltage of which is stabilized by MD 71230-280 nm, after 5 minutes, the 5 feet of the timing chip 9FF3-U3 output low level, the light emitting diodes VD 6-VD 11 are extinguished, when the timing time is not up, people can directly press the tact switch SW1 for a short time again to extinguish the light emitting diodes VD 6-VD 11, when people need to heat the laboratory sheet, the tact switch SW3 is pressed for a short time, the tact switch SW3 sends a signal to the 3 feet of the timing chips 9FF3-U3 to enable the 6 feet of the timing chips 9FF3-U3 to output high level, meanwhile, the timingchip control circuit 6 starts to time for 5 minutes, at the moment, the light emitting diode VD12 lights up, the heater PTC1 starts to work, the PTC1 can heat the laboratory sheet, after 5 minutes, the 6 feet of the timing chip 9FF3-U3 output low level, the light emitting diode VD12 is extinguished, the heater PTC1 stops working, when the timing time is not up, people can directly press the tact switch SW3 again, the heater PTC1 is stopped, and when a person closes the switch S1, the tact switch SW1 and the tact switch SW3 are disabled, so that the tact switch SW1 and the tact switch SW3 can be prevented from being touched by mistake.
While the disclosure has been shown and described with reference to certain exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims and their equivalents. Accordingly, the scope of the present disclosure should not be limited to the above-described embodiments, but should be defined not only by the appended claims, but also by equivalents thereof.
Claims (10)
1. An LED sterilization lamp-loading control circuit is characterized by comprising a USB interface (1), a battery charging management circuit (2), a voltage stabilizing circuit (3), a flashlight button (4), a storage battery (5), a timing chip control circuit (6), a disinfection output control circuit (7), an electric quantity adjustable circuit (8), an LED flashlight (9), a battery voltage detection circuit (10), a disinfection switch (11), an electric quantity display circuit (12), a heater (13), a heating switch (14), a safety switch (15), a heating output control circuit (16) and a disinfection LED lamp (17), wherein the USB interface (1) is connected with the input end of the battery charging management circuit (2), the flashlight button (4) is connected with the input end of the battery charging management circuit (2), the output end of the electric quantity adjustable circuit (8) is connected with the input end of the battery charging management circuit (2), the output end of the electric quantity display circuit (12) is connected with the input end of the battery charging management circuit (2), the output end of the battery voltage detection circuit (10) is connected with the input end of the battery charging management circuit (2), the LED flashlight (9) is connected with the output end of the battery charging management circuit (2), the output end of the battery charging management circuit (2) is connected with the input end of the voltage stabilizing circuit (3), the output end of the voltage stabilizing circuit (3) is connected with the input end of the timing chip control circuit (6), the disinfection switch (11) is connected with the input end of the timing chip control circuit (6), the heating switch (14) is connected with the input end of the timing chip control circuit (6), the safety switch (15) is connected with the input end of the timing chip control circuit (6), the output end of the timing chip control circuit (6) is connected with the input end of the disinfection output control circuit (7), the output end of the disinfection output control circuit (7) is connected with the disinfection LED lamp (17), the output end of the timing chip control circuit (6) is connected with the input end of the heating output control circuit (16), the output end of the heating output control circuit (16) is connected with the heater (13), and the storage battery (5) supplies power for the battery charging management circuit (2), the voltage stabilizing circuit (3), the flashlight button (4), the timing chip control circuit (6), the disinfection output control circuit (7), the electric quantity adjustable circuit (8), the LED flashlight (9), the battery voltage detection circuit (10), the disinfection switch (11), the electric quantity display circuit (12), the heater (13), the heating switch (14), the safety switch (15), the heating output control circuit (16) and the disinfection LED lamp (17).
2. The LED sterilization and lamp-loading control circuit according to claim 1, wherein the USB interface (1), the battery charging management circuit (2), the flashlight button (4), the electric quantity adjustable circuit (8), the LED flashlight (9) and the battery voltage detection circuit (10) comprise an interface USB-U2, an electrolytic capacitor EC1, a battery charging management chip ETA9870-U4, capacitors C5-C6, an inductor L1, a battery BT1, a resistor R2, a resistor R4, a tact switch SW2 and a light emitting diode VD5, wherein a pin 1 of the interface USB-U2 is connected with a pin 1 of the battery charging management chip ETA9870-U4, a pin 4 of the interface USB-U2 is grounded, a pin 1 of the battery charging management chip ETA9870-U4 is connected in series with the electrolytic capacitor EC1, a negative pole of the electrolytic capacitor EC1 is grounded, a resistor R2 is connected in series with a cathode of the light emitting diode VD5, the resistor R2 and the two ends of the light-emitting diode VD5 are connected in parallel with a resistor R4 and a light-touch switch SW2, one end of the resistor R2 and the two ends of the light-emitting diode VD5 are connected in parallel with a pin 5 of a battery charging management chip ETA9870-U4, the other end of the inductor L1 is connected in series, the other end of the inductor L1 is connected with a pin 7 of the battery charging management chip ETA9870-U4, a pin 6 of the battery charging management chip ETA9870-U4 is connected with the anode of a battery BT1, the cathode of the battery BT1 is grounded, the anode of the battery BT1 is connected in series with a capacitor C6, the other end of the capacitor C6 is grounded, the pin 8 of the battery charging management chip ETA9870-U4 is connected in series with a capacitor C5, and the other end of the capacitor C5 is grounded.
3. The LED germicidal lamp control circuit as claimed in claim 2, wherein the power display circuit (12) comprises a resistor R1, a resistor R3 and LEDs VD 1-VD 4, the anode of the LED VD1 is connected in series with the anode of the LED VD4, the cathode of the LED VD2 is connected in series with the cathode of the LED VD3, the cathodes of the LED VD1 and the LED VD4 are connected in parallel with the anode of the LED VD2 and the anode of the LED VD3, one end of the resistor R1 is connected in series, the other end of the resistor R1 is connected with the 2 pin of the battery charge management chip ETA9870-U4, the other end of the resistor R3 is connected in series, the other end of the resistor R3 is connected with the 4 pin of the battery charge management chip ETA9870-U4, the 3 pin of the battery charge management chip ETA9870-U4 is connected with the node between the LED VD1 and the LED 4, the pin 3 of the battery charging management chip ETA9870-U4 is connected with the node between the light emitting diode VD2 and the light emitting diode VD 3.
4. The LED sterilization lamp control circuit according to claim 3, wherein the voltage regulator circuit (3) comprises a three-terminal voltage regulator chip MD7130-U1 and capacitors C1-C4, wherein pin 1 of the three-terminal voltage regulator chip MD7130-U1 is grounded, pin 2 of the three-terminal voltage regulator chip MD7130-U1 is connected with pin 8 of the battery charging management chip ETA9870-U4, pin 2 of the three-terminal voltage regulator chip MD7130-U1 is connected with pin 1 thereof in parallel with a capacitor C1, two ends of the capacitor C1 are connected with a capacitor C2 in parallel, pin 3 of the three-terminal voltage regulator chip MD7130-U1 is connected with pin 1 thereof in parallel with a capacitor C3, and two ends of the capacitor C3 are connected with a capacitor C4 in parallel.
5. The LED sterilization lamp control circuit according to claim 4, wherein the timing chip control circuit (6) comprises a timing chip 9FF3-U3 and a capacitor C7, wherein 1 pin of the timing chip 9FF3-U3 is connected with 3 pins of a three-terminal voltage stabilization chip MD7130-U1, 1 pin of the timing chip 9FF3-U3 is connected with 8 pins of the timing chip in parallel with the capacitor C7, and 8 pins of the timing chip 9FF3-U3 are grounded.
6. The LED sterilization lamp control circuit according to claim 5, wherein the disinfection switch (11) is a tact switch SW1, one end of the tact switch SW1 is grounded, and the other end of the tact switch SW1 is connected to pin 2 of the timing chip 9FF 3-U3.
7. The LED sterilization lamp control circuit according to claim 6, wherein the heating switch (14) is a tact switch SW3, one end of the tact switch SW3 is grounded, and the other end of the tact switch SW3 is connected to pin 3 of the timing chip 9FF 3-U3.
8. The LED sterilization lamp control circuit according to claim 7, wherein the disinfection switch (11) is a switch S1, one end of the switch S1 is grounded, and the other end of the switch S1 is connected to the 4-pin of the timing chip 9FF 3-U3.
9. The LED germicidal lamp control circuit as in claim 8, the heating output control circuit (16) comprises a light emitting diode VD12, a resistor R7, resistors R9-R10, a heater PTC1 and an N-channel field effect tube Q2, the anode of the light emitting diode VD12 is connected with the 6 pins of the timing chip 9FF3-U3, the cathode of the light emitting diode VD12 is connected with a resistor R10 in series, the other end of the resistor R10 is connected with the drain electrode of an N-channel field effect transistor Q2, the source of the N-channel FET Q2 is grounded, the gate of the N-channel FET Q2 is connected with a resistor R7 in series, the other end of the resistor R7 is connected with the 6 feet of the timing chip 9FF3-U3, the grid electrode of the N-channel field effect transistor Q2 is connected with the source electrode thereof in parallel with the resistor R9, one end of the heater PTC1 is connected with the drain electrode of the N-channel field effect transistor Q2, and the other end of the heater PTC1 is connected with the 2 pins of the three-terminal voltage-stabilizing chip MD 7130-U1.
10. The LED sterilization lamp control circuit according to claim 9, wherein the sterilization output control circuit (7) comprises resistors R5-R6, a resistor R8, N-channel field effect transistors Q1 and light emitting diodes VD 6-VD 11, the light emitting diodes VD 6-VD 11 are connected in parallel, anodes of the connected light emitting diodes are connected in series with the resistor R5, the other end of the resistor R5 is connected with the 2 pins of the three-terminal voltage stabilization chips MD7130-U1, the cathodes of the connected light emitting diodes are connected with the drain of the N-channel field effect transistor Q1, the source of the N-channel field effect transistor Q1 is grounded, the grid of the N-channel field effect transistor Q1 is connected in series with the resistor R6, the other end of the resistor R6 is connected with the 2 pins of the three-terminal voltage stabilization chips MD7130-U1, and the grid of the N-channel field effect transistor Q1 is connected with the source of the resistor R8 in parallel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111275947.XACN113873736A (en) | 2021-10-29 | 2021-10-29 | A LED germicidal lamp control circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111275947.XACN113873736A (en) | 2021-10-29 | 2021-10-29 | A LED germicidal lamp control circuit |
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| CN113873736Atrue CN113873736A (en) | 2021-12-31 |
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| CN202111275947.XAPendingCN113873736A (en) | 2021-10-29 | 2021-10-29 | A LED germicidal lamp control circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116669253A (en)* | 2023-06-25 | 2023-08-29 | 深圳市海洋王公消照明技术有限公司 | Lighting drive circuit and multi-function flashlight |
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