CN217391206U - Fixed wavelength LED ultraviolet ray sterilization virus killing device - Google Patents

Fixed wavelength LED ultraviolet ray sterilization virus killing device Download PDF

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Publication number
CN217391206U
CN217391206U CN202120124663.XU CN202120124663U CN217391206U CN 217391206 U CN217391206 U CN 217391206U CN 202120124663 U CN202120124663 U CN 202120124663U CN 217391206 U CN217391206 U CN 217391206U
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pin
sop14
chip microcomputer
single chip
resistor
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郑波
周文斌
郑翰
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

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Abstract

The utility model relates to a fixed wavelength LED ultraviolet ray sterilization and disinfection device, which comprises a shell, a handle and a driving circuit fixedly arranged in the shell; the handle is fixedly connected with one side wall of the shell; the fixed base plate that is provided with on another lateral wall of casing, detachable is provided with the lamp pearl that sends fixed wavelength and be 265nm and 285nm on the base plate, drive circuit with base plate electric connection. Compared with the prior art, the utility model discloses simple structure conveniently carries and uses, and the disinfection of disinfecting is disinfected in the family travel of being convenient for, adopts the lamp pearl that sends 265nm and 285nm wavelength light, utilizes the light of 265nm and 285nm wavelength to disinfect the disinfection, and the disinfection efficiency of disinfecting is high, and the environmental protection does not have and remains.

Description

Fixed wavelength LED ultraviolet ray sterilization virus killing device
Technical Field
The invention relates to the technical field of LEDs, in particular to an LED ultraviolet sterilization and disinfection device with fixed wavelength.
Background
With the change of global environment, the increase of personnel movement, the rapid development of air transportation, road transportation and railway transportation, the contact of people with viruses and bacteria in the environment is more and more, the transportation amount of goods is also leaped over a new step, and the contact of people with goods is more and more frequent. During the process of handling and transporting goods, the goods inevitably contact various environments, and are very easy to carry some virus and bacteria, so that people are at risk of infecting germs when handling the goods.
And the development of express delivery industry, people's shopping more and more rely on shopping on the net, and various express delivery parcel transports frequently, and the contact personnel are more, have more uncertainties, and urgent need has the effective device that can kill goods outward appearance virus bacterium fast, ensures people's health.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the prior art. Therefore, one object of the present invention is to provide a fixed wavelength LED ultraviolet sterilization and disinfection device with simple structure, convenient carrying and use, high sterilization and disinfection efficiency, environmental protection and no residue.
The technical scheme for solving the technical problems is as follows: a fixed wavelength LED ultraviolet ray sterilization and disinfection device comprises a shell, a handle and a driving circuit fixedly arranged in the shell; the handle is fixedly connected with one side wall of the shell; the fixed base plate that is provided with on another lateral wall of casing, detachable is provided with the lamp pearl that sends fixed wavelength and be 265nm and 285nm on the base plate, drive circuit with base plate electric connection.
The invention has the beneficial effects that: simple structure conveniently carries and uses, and the disinfection of disinfecting is carried out in the travel of being convenient for at home, adopts the lamp pearl that sends 265nm and 285nm wavelength light, and the disinfection of disinfecting is carried out to the light that utilizes 265nm and 285nm wavelength, and the disinfection efficiency of disinfecting is high, and the environmental protection is not remained.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, an angle switch is arranged on the shell and can be rotatably connected with the shell; the angle switch is electrically connected with the driving circuit.
The beneficial effect of adopting the above further scheme is: the time is regulated and controlled by utilizing the angle switch, so that the sterilization and disinfection effects are guaranteed, and the convenience is improved.
Further, one end of the handle, which is far away from the shell, is provided with a button switch, and the button switch is electrically connected with the driving circuit.
The beneficial effect of adopting the further scheme is that: the power-on starting of the driving circuit is controlled through the button switch, and convenience is improved.
Further, a lampshade covering the substrate and the lamp beads is fixedly arranged on the shell, and the lampshade is made of quartz glass.
The beneficial effect of adopting the further scheme is that: the lampshade made of quartz glass has good light transmittance and small light attenuation loss, and ensures the sterilization and disinfection effects.
Furthermore, the driving circuit comprises a control unit, a USB unit and a boosting unit, wherein the signal output end of the control unit is respectively connected with the signal input ends of the USB unit and the boosting unit;
the control unit is used for generating a timing signal to be transmitted to the boosting unit and generating a conducting signal to be transmitted to the USB unit when the angle switch rotates to the right position and the button switch is pressed;
the USB unit is used for accessing an external power supply and charging a battery; the power supply is also used for transmitting electric energy to the control unit according to the conducting signal;
the boosting unit is used for conducting at regular time according to the timing signal, the electric energy introduced into the USB unit is boosted, and the boosted electric energy is conveyed to the lamp beads on the substrate.
The beneficial effect of adopting the further scheme is that: the control unit has high control efficiency, the boosting unit boosts voltage stably, and the sterilization and disinfection efficiency is guaranteed.
Further, the control unit comprises a single chip microcomputer SOP14, a capacitor C1, a resistor R1, an LED 1-LED 4, a 1 st pin of the single chip microcomputer SOP14 is grounded through a button switch, and a 2 nd pin and a 3 rd pin of the single chip microcomputer SOP14 are both connected with the angle switch; the 4 th pin of the single chip microcomputer SOP14 is grounded with the capacitor C1, and the 4 th pin of the single chip microcomputer SOP14 is also connected with the power-on end of the USB unit; a 6 th pin of the single chip microcomputer SOP14 is connected with a signal end of the USB unit, and a 7 th pin of the single chip microcomputer SOP14 is connected with a signal end of the USB unit;
the 8 th pin of the single chip microcomputer SOP14 is connected with the signal end of the boosting unit; the 10 th pin of the single chip microcomputer SOP14 is connected with the negative electrode of the LED 4; the 11 th pin of the single chip microcomputer SOP14 is grounded; the 12 th pin of the single chip microcomputer SOP14 is connected with the negative electrode of the LED 3; the 13 th pin of the single chip microcomputer SOP14 is connected with the negative electrode of the LED 2; the 14 th pin of the single chip microcomputer SOP14 is connected with the negative electrode of an LED1, one end of the resistor R1 is connected with the positive electrodes of the LED1, the LED2, the LED3 and the LED4 respectively, and the other end of the resistor R1 is connected with the power-on end of the USB unit.
Further, the USB unit comprises a USB interface, a capacitor C2, a capacitor C3, a resistor R2-resistor R4, a chip U1 and a battery BT 1; the 1 st pin and the 6 th pin of the USB interface are both grounded; the 5 th pin of the USB interface is grounded through a capacitor C2, the 5 th pin of the USB interface is connected with the 4 th pin of the chip U1, the 5 th pin of the USB interface is connected with the 7 th pin of the single chip SOP14 through a resistor R3, and the 5 th pin of the USB interface is grounded through a resistor R3 and a resistor R2;
the 5 th pin of the chip U1 is grounded through a resistor R4; the 1 st pin of the USB interface is connected with the 6 th pin of the single chip microcomputer SOP 14; the 2 nd pin of the USB interface is grounded; the 3 rd pin of the USB interface is grounded through a capacitor C3, the positive electrode of the battery BT1 is connected with one end of the capacitor C3, and the negative electrode of the battery BT1 is connected with the other end of the capacitor C3; the battery BT1 is connected with the 4 th pin of the single chip microcomputer SOP14 and the resistor R1, and the battery BT1 is also connected with the boosting unit.
Further, the boosting unit comprises a capacitor C4, a capacitor C5, an inductor L1, a chip U2, a diode D1, a MOS transistor Q1, a resistor R5 and a resistor R6, one end of the capacitor C4 is grounded, the other end of the capacitor C4 is connected with the battery BT1, one end of the inductor L1 is connected with the 6 th pins of the battery BT1 and the chip U2 respectively, the other end of the inductor L1 is connected with the positive electrode of the diode D1 and the 1 st pin of the chip U2 respectively, and the negative electrode of the diode D1 is grounded through the capacitor C5;
the 2 nd pin of the chip U2 is grounded, and the 2 nd pin of the chip U2 is also connected with the source electrode of the MOS transistor Q1; the No. 3 pin of the chip U2 is connected with the lamp bead; a 4 th pin of the chip U2 is connected with an 8 th pin of the single chip microcomputer SOP14, a 4 th pin of the chip U2 is further connected with a grid electrode of the MOS tube Q1, a 5 th pin of the chip U2 is respectively connected with a cathode of the diode D1 and a lamp bead, and a 6 th pin of the chip U2 is connected with the lamp bead through a resistor R5; the drain electrode of the MOS tube Q1 is connected with the lamp bead, and the drain electrode of the MOS tube Q1 is connected with the No. 3 pin of the chip U2 through a resistor R5.
Drawings
FIG. 1 is a front view of a fixed wavelength LED UV sterilizer of the present invention;
FIG. 2 is a block diagram of a driving circuit and a lamp bead according to the present invention;
FIG. 3 is a schematic circuit diagram of the control unit of the present invention;
FIG. 4 is a schematic circuit diagram of a USB unit according to the present invention;
fig. 5 is a schematic circuit diagram of the boosting unit of the present invention.
In the drawings, the reference numbers indicate the following list of parts:
1. a housing;
2. a handle;
3. the driving circuit 3.1, the control unit 3.2, the USB unit 3.3 and the boosting unit;
4. a substrate;
5. a lamp bead;
6. an angle switch;
7. a push button switch.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 5, a fixed wavelength LED ultraviolet sterilization device includes a housing 1, a handle 2, and a driving circuit 3 fixedly disposed in the housing 1; the handle 2 is fixedly connected with one side wall of the shell 1; a substrate 4 is fixedly arranged on the other side wall of the shell 1, a lamp bead 5 is arranged on the substrate 4, and the driving circuit 3 is electrically connected with the substrate 4; the driving circuit 3 controls the lamp bead 5 to emit light rays with fixed wavelengths of 265nm and 285nm through the substrate 4.
The LED ultraviolet sterilization and disinfection device with the fixed wavelength is moved to an article needing sterilization and disinfection by holding the handle 2, the distance between the LED ultraviolet sterilization and disinfection device and the article needing sterilization and disinfection is less than 10cm, the driving circuit 3 controls the lamp bead 5 to start, the lamp bead 5 emits light waves with the fixed wavelengths of 265nm and 285nm, the article needing sterilization and disinfection is sterilized and disinfected by using light waves with the fixed wavelengths of 265nm and 285nm, and the sterilization and disinfection are completed within 30 seconds; the light wave of 265nm is most effective in killing virus; but beads with a wavelength of 285nm are more easily available and are almost as effective; in less than 30 seconds, 285nm light is able to destroy 99.9% of viral pathogens.
When the distance between the LED ultraviolet sterilization and disinfection device with the fixed wavelength and the object to be sterilized and disinfected exceeds 10cm, the time for sterilizing and disinfecting the LED ultraviolet sterilization and disinfection device with the fixed wavelength is prolonged, and the object to be sterilized and disinfected is completely sterilized and disinfected; or the power of the lamp bead 5 is increased to ensure that the objects needing sterilization and disinfection are completely sterilized and disinfected.
The fixed wavelengths emitted by the lamp beads 5 are 265nm and 285nm, the wavelengths of the two light rays belong to UVC and UVB ultraviolet bands, the emitted light rays are ultraviolet light, DNA and RNA of related viruses and bacteria can be damaged, the viruses and the bacteria can be quickly and effectively killed in 30 seconds, the sterilization rate is up to 99.9%, the sterilization efficiency is high, the power of the lamp beads 5 is low, and the energy consumption is low; light rays with the wavelengths of 265nm and 285nm do not generate ozone in the disinfection and sterilization process, so that the disinfection and sterilization device is weak in harm to human bodies and environment-friendly; the movable air-conditioning box is convenient to move, can be applied to the fields of security inspection, logistics and air conditioning, and can sterilize and disinfect articles.
The casing 1 internal fixation is provided with forced air cooling device or liquid cooling device, utilizes forced air cooling device or liquid cooling device to dispel the heat through base plate 4 to lamp pearl 5.
Optionally, an angle switch 6 is arranged on the housing 1, and the angle switch 6 is rotatably connected with the housing 1; the angle switch 6 is electrically connected to the driving circuit 3.
Through angle regulation switch 6, select the time gear, time gear selects between 0-60 seconds, and to drive circuit 3 circular telegram again, drive circuit 3 control lamp pearl 5 sends the light that fixed wavelength is 265nm and 285nm to according to the luminous time of selected time gear control lamp pearl 5, thereby realize the control to lamp pearl 5 luminous time, promote the convenience.
Optionally, one end of the handle 2, which is far away from the housing 1, is provided with a button switch 7, and the button switch 7 is electrically connected to the driving circuit 3.
Through pressing button switch 7, can control drive circuit 3 and carry out the circular telegram operation, button switch 7 is located handle 2, can promote and control the convenience.
Optionally, a lampshade covering the substrate 4 and the lamp beads 5 is fixedly arranged on the shell 1, and the lampshade is made of quartz glass.
The lampshade made of quartz glass has good light transmittance and small light attenuation loss, and ensures the sterilization and disinfection effects.
Optionally, the driving circuit 3 includes a control unit 3.1, a USB unit 3.2, and a voltage boost unit 3.3, where a signal output end of the control unit 3.1 is connected to signal input ends of the USB unit 3.2 and the voltage boost unit 3.3, respectively;
the control unit 3.1 is configured to generate a timing signal and transmit the timing signal to the voltage boosting unit 3.3, and also generate a conducting signal and transmit the conducting signal to the USB unit 3.2 when the angle switch 6 is rotated to the right position and the button switch 7 is pressed;
the USB unit 3.2 is used for accessing an external power supply and charging a battery; and is also used for transmitting electric energy to the control unit 3.1 according to the conducting signal;
the boosting unit 3.3 is used for conducting regularly according to the timing signal, introducing the electric energy of the USB unit 3.2 for boosting, and conveying the boosted electric energy to the lamp beads 5 on the substrate 4.
The control unit 3.1 controls the USB unit 3.2 to transmit 5V electric energy to the boosting unit 3.3, the boosting unit 3.3 boosts the 5V electric energy to 12V and transmits the boosted electric energy to the lamp bead 5, the lamp bead 5 is controlled to start to emit light, and objects needing to be disinfected are disinfected and disinfected within a set time; the control unit 3.1 has high control efficiency, the boosting unit 3.3 boosts voltage stably, and the sterilization and disinfection efficiency is guaranteed.
Optionally, as shown in fig. 3, the control unit 3.1 includes a single chip microcomputer SOP14, a capacitor C1, a resistor R1, and LEDs 1 to LEDs 4, a 1 st pin of the single chip microcomputer SOP14 is grounded through a push switch 7, and a 2 nd pin and a 3 rd pin of the single chip microcomputer SOP14 are both connected to the angle switch 6; the 4 th pin of the single chip microcomputer SOP14 is grounded with the capacitor C1, and the 4 th pin of the single chip microcomputer SOP14 is also connected with the power-on end of the USB unit 3.2; a 6 th pin of the singlechip SOP14 is connected with a signal end of the USB unit 3.2, and a 7 th pin of the singlechip SOP14 is connected with a signal end of the USB unit 3.2;
the 8 th pin of the single chip microcomputer SOP14 is connected with the signal end of the boosting unit 3.3; the 10 th pin of the single chip microcomputer SOP14 is connected with the negative electrode of the LED 4; the 11 th pin of the single chip microcomputer SOP14 is grounded; the 12 th pin of the single chip microcomputer SOP14 is connected with the cathode of the LED 3; the 13 th pin of the single chip microcomputer SOP14 is connected with the negative electrode of the LED 2; the 14 th pin of the single chip microcomputer SOP14 is connected with the negative electrode of an LED1, one end of the resistor R1 is connected with the positive electrodes of the LED1, the LED2, the LED3 and the LED4 respectively, and the other end of the resistor R1 is connected with the power-on end of the USB unit 3.2.
Optionally, as shown in fig. 4, the USB unit 3.2 includes a USB interface, a capacitor C2, a capacitor C3, a resistor R2 to a resistor R4, a chip U1, and a battery BT 1; the 1 st pin and the 6 th pin of the USB interface are both grounded; the 5 th pin of the USB interface is grounded through a capacitor C2, the 5 th pin of the USB interface is connected with the 4 th pin of the chip U1, the 5 th pin of the USB interface is connected with the 7 th pin of the single chip microcomputer SOP14 through a resistor R3, and the 5 th pin of the USB interface is grounded through a resistor R3 and a resistor R2;
the 5 th pin of the chip U1 is grounded through a resistor R4; the 1 st pin of the USB interface is connected with the 6 th pin of the single chip microcomputer SOP 14; the 2 nd pin of the USB interface is grounded; the 3 rd pin of the USB interface is grounded through a capacitor C3, the positive electrode of the battery BT1 is connected with one end of the capacitor C3, and the negative electrode of the battery BT1 is connected with the other end of the capacitor C3; the battery BT1 is connected with the 4 th pin of the single chip microcomputer SOP14 and the resistor R1, and the battery BT1 is also connected with the boosting unit 3.3.
Optionally, as shown in fig. 5, the boosting unit 3.3 includes a capacitor C4, a capacitor C5, an inductor L1, a chip U2, a diode D1, a MOS transistor Q1, a resistor R5, and a resistor R6, one end of the capacitor C4 is grounded, the other end of the capacitor C4 is connected to the battery BT1, one end of the inductor L1 is connected to the 6 th pins of the battery BT1 and the chip U2, the other end of the inductor L1 is connected to the positive electrode of the diode D1 and the 1 st pin of the chip U2, and the negative electrode of the diode D1 is grounded via the capacitor C5;
the 2 nd pin of the chip U2 is grounded, and the 2 nd pin of the chip U2 is also connected with the source electrode of the MOS transistor Q1; the 3 rd pin of the chip U2 is connected with the lamp bead 5; a 4 th pin of the chip U2 is connected with an 8 th pin of the single chip microcomputer SOP14, a 4 th pin of the chip U2 is also connected with a grid electrode of the MOS tube Q1, a 5 th pin of the chip U2 is respectively connected with a cathode of the diode D1 and a lamp bead 5, and a 6 th pin of the chip U2 is connected with the lamp bead 5 through a resistor R5; the drain electrode of the MOS tube Q1 is connected with the lamp bead 5, and the drain electrode of the MOS tube Q1 is connected with the No. 3 pin of the chip U2 through a resistor R5.
The lamp beads 5 are arranged in a plurality of numbers, the lamp beads 5 are connected in parallel, and the lamp beads 5 are one or more of UVC lamp beads, UVA lamp beads and light-emitting diodes emitting purple light.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (6)

1. The utility model provides a fixed wavelength LED ultraviolet ray sterilization virus killing device which characterized in that: comprises a shell (1), a handle (2) and a driving circuit (3) which is fixedly arranged in the shell (1); the handle (2) is fixedly connected with one side wall of the shell (1); a substrate (4) is fixedly arranged on the other side wall of the shell (1), lamp beads (5) emitting fixed wavelengths of 265nm and 285nm are detachably arranged on the substrate (4), and the driving circuit (3) is electrically connected with the substrate (4); a wind cooling device or a liquid cooling device is fixedly arranged in the shell (1);
an angle switch (6) is arranged on the shell (1), and the angle switch (6) can be rotatably connected with the shell (1); the angle switch (6) is electrically connected with the driving circuit (3);
one end of the handle (2) far away from the shell (1) is provided with a button switch (7), and the button switch (7) is electrically connected with the driving circuit (3).
2. The fixed wavelength LED uv disinfection apparatus of claim 1, wherein: the lamp shade is fixedly arranged on the shell (1) and covers the substrate (4) and the lamp beads (5), and the lamp shade is made of quartz glass.
3. The fixed wavelength LED uv germicidal device as claimed in any one of claims 1 to 2, wherein: the driving circuit (3) comprises a control unit (3.1), a USB unit (3.2) and a boosting unit (3.3), wherein the signal output end of the control unit (3.1) is respectively connected with the signal input ends of the USB unit (3.2) and the boosting unit (3.3);
the control unit (3.1) is used for generating a timing signal to be transmitted to the boosting unit (3.3) and also generating a conducting signal to be transmitted to the USB unit (3.2) when the angle switch (6) rotates to the right position and the button switch (7) is pressed;
the USB unit (3.2) is used for connecting an external power supply and charging a battery; and is also used for transmitting electric energy to the control unit (3.1) according to the conducting signal;
the boosting unit (3.3) is used for conducting at regular time according to the timing signal, the electric energy introduced into the USB unit (3.2) is boosted, and the boosted electric energy is conveyed to the lamp beads (5) on the substrate (4).
4. The fixed wavelength LED ultraviolet disinfection and sterilization apparatus according to claim 3, wherein: the control unit (3.1) comprises a single chip microcomputer SOP14, a capacitor C1, a resistor R1, an LED 1-LED 4, a 1 st pin of the single chip microcomputer SOP14 is grounded through a button switch (7), and a 2 nd pin and a 3 rd pin of the single chip microcomputer SOP14 are both connected with the angle switch (6); the 4 th pin of the single chip microcomputer SOP14 is grounded with the capacitor C1, and the 4 th pin of the single chip microcomputer SOP14 is connected with the power-on end of the USB unit (3.2); the 6 th pin of the single chip microcomputer SOP14 is connected with the signal end of the USB unit (3.2), and the 7 th pin of the single chip microcomputer SOP14 is connected with the signal end of the USB unit (3.2);
the 8 th pin of the single chip microcomputer SOP14 is connected with the signal end of the boosting unit (3.3); the 10 th pin of the single chip microcomputer SOP14 is connected with the negative electrode of the LED 4; the 11 th pin of the single chip microcomputer SOP14 is grounded; the 12 th pin of the single chip microcomputer SOP14 is connected with the cathode of the LED 3; the 13 th pin of the single chip microcomputer SOP14 is connected with the negative electrode of the LED 2; the 14 th pin of the single chip microcomputer SOP14 is connected with the negative electrode of an LED1, one end of the resistor R1 is respectively connected with the positive electrodes of the LED1, the LED2, the LED3 and the LED4, and the other end of the resistor R1 is connected with the electrifying end of the USB unit (3.2).
5. The fixed wavelength LED ultraviolet disinfection and sterilization apparatus according to claim 4, wherein: the USB unit (3.2) comprises a USB interface, a capacitor C2, a capacitor C3, a resistor R2-resistor R4, a chip U1 and a battery BT 1; the 1 st pin and the 6 th pin of the USB interface are both grounded; the 5 th pin of the USB interface is grounded through a capacitor C2, the 5 th pin of the USB interface is connected with the 4 th pin of the chip U1, the 5 th pin of the USB interface is connected with the 7 th pin of the single chip microcomputer SOP14 through a resistor R3, and the 5 th pin of the USB interface is grounded through a resistor R3 and a resistor R2;
the 5 th pin of the chip U1 is grounded through a resistor R4; the 1 st pin of the USB interface is connected with the 6 th pin of the single chip microcomputer SOP 14; the 2 nd pin of the USB interface is grounded; the 3 rd pin of the USB interface is grounded through a capacitor C3, the positive electrode of the battery BT1 is connected with one end of the capacitor C3, and the negative electrode of the battery BT1 is connected with the other end of the capacitor C3; the battery BT1 is connected with the 4 th pin of the single chip microcomputer SOP14 and the resistor R1, and the battery BT1 is also connected with the boosting unit (3.3).
6. The fixed wavelength LED ultraviolet disinfection and sterilization apparatus according to claim 5, wherein: the boosting unit (3.3) comprises a capacitor C4, a capacitor C5, an inductor L1, a chip U2, a diode D1, a MOS transistor Q1, a resistor R5 and a resistor R6, one end of the capacitor C4 is grounded, the other end of the capacitor C3624 is connected with the battery BT1, one end of the inductor L1 is respectively connected with the 6 th pins of the battery BT1 and the chip U2, the other end of the inductor L1 is respectively connected with the positive electrode of the diode D1 and the 1 st pin of the chip U2, and the negative electrode of the diode D1 is grounded through the capacitor C5;
the 2 nd pin of the chip U2 is grounded, and the 2 nd pin of the chip U2 is also connected with the source electrode of the MOS transistor Q1; the No. 3 pin of the chip U2 is connected with the lamp bead (5); a 4 th pin of the chip U2 is connected with an 8 th pin of the single chip microcomputer SOP14, a 4 th pin of the chip U2 is also connected with a grid electrode of the MOS tube Q1, a 5 th pin of the chip U2 is respectively connected with a cathode of the diode D1 and a lamp bead (5), and a 6 th pin of the chip U2 is connected with the lamp bead (5) through a resistor R5; the drain electrode of the MOS tube Q1 is connected with the lamp bead (5), and the drain electrode of the MOS tube Q1 is connected with the No. 3 pin of the chip U2 through a resistor R5.
CN202120124663.XU 2021-01-18 2021-01-18 Fixed wavelength LED ultraviolet ray sterilization virus killing device Active CN217391206U (en)

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Application Number Priority Date Filing Date Title
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CN217391206U true CN217391206U (en) 2022-09-09

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