CN213666898U

CN213666898U - Handheld ultraviolet germicidal lamp

Info

Publication number: CN213666898U
Application number: CN202020797712.1U
Authority: CN
Inventors: 蔡明卫
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-07-13
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a hand-held ultraviolet germicidal lamp, which is composed of an arc upper cover and an arc lower cover into a spheroid, wherein the upper part of the arc upper cover is provided with a planar round platform, the middle part of the planar round platform is provided with a button, and one end of the arc lower cover, which is far away from the arc upper cover, is provided with an annular arc seat; the annular arc seat is concave, a bowl-shaped reflecting cup is arranged on the inner side of the annular arc seat, and an ultraviolet disinfection module is arranged on the inner side of the reflecting cup; a circuit board is arranged in the arc-shaped lower cover, the circuit board is arranged on the first concave cavity step, and an ultraviolet disinfection module is arranged on the circuit board; the circuit board is provided with a chip circuit, and the chip circuit is connected with the ultraviolet disinfection module after passing through the driving circuit; the charging interface is connected with the battery circuit after passing through the charging circuit, and the battery circuit is electrically connected with the ultraviolet disinfection module. The utility model can effectively kill common virus and bacteria, such as influenza virus, colon bacillus and the like, and is convenient to use.

Description

Handheld ultraviolet germicidal lamp

Technical Field

The utility model relates to a disinfecting equipment field, in particular to ultraviolet germicidal lamp of hand-held type, apple shape.

Background

Invisible bacteria and germs in daily life directly threaten the health of people, tens of thousands of bacteria exist on mobile phone screens, toothbrushes and chopsticks which are contacted all the time, the people can live clean, and more professional care is needed. Scenarios where disinfection and sterilization are generally required: for example, home locations, hotel tours, cosmetic tools, car kits, pet toys, office supplies, and the like; in addition, the keyboard and mouse used every day, the feeding bottle used by mother and baby, and the children plush toy are easy to be polluted by bacteria and virus. The bacterial and viral hazards are as follows:

coli: the diarrhea of children and old people is easily caused;

staphylococcus aureus: pyogenic infection, pneumonia, food poisoning;

other bacteria: avian influenza, hand-foot-and-mouth disease, and the like.

And the short-wave ultraviolet rays can effectively destroy the structures of germs, and destroy the structures of DNA or PNA of the germs when the short-wave ultraviolet rays are generated. There is a great demand for hand-held ultraviolet germicidal lamps in the market.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, an object of the present invention is to provide a portable and convenient ultraviolet germicidal lamp, which is suitable for sterilizing articles: masks, hygiene products, cosmetics, baby products, toys, bedding products, toilets, kitchen products, office products, and the like. The utility model discloses the usage is many, and irradiation range is wide, labour saving and time saving. The ultraviolet disinfection ball can be used as soon as being opened and carried with a person, and gives the user the greatest safety anytime and anywhere.

The specific technical scheme is as follows:

a handheld ultraviolet germicidal lamp comprises an arc-shaped upper cover and an arc-shaped lower cover which are combined into a spherical body, wherein the arc-shaped upper cover is buckled with the arc-shaped lower cover, a round table is arranged at the upper part of the arc-shaped upper cover, a button S1 is arranged in the middle of the round table, and an annular arc seat is arranged at one end of the arc-shaped lower cover, which is far away from the arc-shaped upper cover; the annular arc seat is concave, and the outer ring of the annular arc seat is higher than the inner ring of the annular arc seat; a reflective cup is arranged on the inner side of the inner ring of the annular arc seat, and an ultraviolet disinfection module is arranged on the inner side of the reflective cup;

a circuit board is arranged in the arc-shaped lower cover, and an ultraviolet disinfection module (UVC LED lamp module) is arranged on the circuit board;

the circuit board is provided with a chip circuit, and the chip circuit is connected with the ultraviolet disinfection module after passing through the driving circuit; the charging interface is connected with the battery circuit after passing through the charging circuit, and the battery circuit is electrically connected with the ultraviolet disinfection module.

Further, in some embodiments, the circuit board is disposed on the first cavity step, and the ultraviolet disinfection module is disposed on the second cavity step through the connection column; a reflection cup is arranged on the fixed seat of the second concave cavity step; an inner cavity of the arc-shaped lower cover, which is close to the annular arc seat, is provided with a second concave cavity step which is concavely embedded, a first concave cavity step which is concavely embedded is arranged on the second concave cavity step, the cavity of the first concave cavity step is larger than that of the second concave cavity step, and a vertical fixed seat is arranged on the inward side of the second concave cavity step; the charging circuit, the battery circuit, the driving circuit and the chip circuit can be arranged on the circuit board.

Further, in some embodiments, the diameter of the widest part of the upper cover is 70-100 mm, and a charging interface is arranged on the side edge of the circular truncated cone; the diameter D1 of the circular truncated cone is 34-49 mm; the diameter D3 of the inner ring of the annular arc seat is 24-34.5 mm; the outer ring diameter D2 of the annular arc seat is 51-72.5 mm.

Further, in some embodiments, the charging interface pin 2 is grounded, and the charging interface pin 1 is connected to the pin 4 of the chip U1 of the charging circuit; a power supply VCC (power supply voltage) is connected with the charging interface pin 1;

the charging circuit comprises a chip U1, a resistor R3 is connected between a pin 2 of a chip U1 and a ground end GND, and a resistor R1 is connected between a power supply VCC and a pin 4 of a chip U1; pin 4 of chip U1 is connected with pin 8 of chip U1, pin 1 of chip U1 is grounded with pin 3, pin 8 of chip U1 is connected with pin 7 of chip U1 after passing through resistance R2 and the positive and negative poles of indicator light D1, pin 8 of chip U1 is connected with pin 6 of chip U1 after passing through resistance R2 and the positive and negative poles of indicator light D2, and pin 5 of chip U1 is connected with battery interface BAT.

Further, in some embodiments, the battery circuit includes a battery pack BT1, the positive electrode of the battery pack BT1 is connected to the battery interface BAT, the negative electrode of the battery pack BT1 is grounded, and a capacitor C3 and a capacitor C4 which are connected in parallel are arranged between the positive electrode of the battery pack BT1 and the ground end GND;

the ultraviolet disinfection module comprises UVC LED lamps D3, D4, D5 and D6, the UVC LED lamps D3, D4, D5 and D6 are arranged in parallel, positive electrodes of the UVC LED lamps D3, D4, D5 and D6 are connected with a positive electrode of a battery pack BT1, and negative electrodes of the UVC LED lamps D3, D4, D5 and D6 are connected with a driving circuit through resistors R4, R5, R6 and R7 respectively.

Further, in some embodiments, the driving circuit includes an NMOS transistor Q1, a drain D of the NMOS transistor Q1 is connected to resistors R4, R5, R6, and R7, respectively, a source S of the NMOS transistor Q1 is grounded, and a gate G of the NMOS transistor Q1 is grounded after passing through the resistor R13;

the gate G (input) of the NMOS transistor Q1 is connected to the pin 5 (output) of the U2 of the single chip microcomputer of the chip circuit 67 through the resistor R12.

Further, in some embodiments, the chip circuit includes a single chip microcomputer U2, a pin 8 of the single chip microcomputer U2 is grounded, and a button S1 is connected between a pin 4 of the single chip microcomputer U2 and a ground GND; the pin 2 of the singlechip U2 is connected with a power supply VCC after passing through a resistor R8, and a resistor R10 is connected between the pin 2 of the singlechip U2 and a ground end GND; the pin 3 of the singlechip U2 is connected with the battery interface BAT after passing through the resistor R9, and the resistor R11 is connected between the pin 3 of the singlechip U2 and the ground GND.

The utility model discloses a handheld ultraviolet germicidal lamp uses UVC deep ultraviolet 260nm ~ 280nm output wavelength, and the product is all effective to killing our common virus bacterium, for example kills influenza virus, mite, bacillus anthracis, escherichia coli etc.. The utility model is convenient to use and carry, and is a necessary product for travel and home.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention

Fig. 2 is a schematic top view of an embodiment of the invention;

FIG. 3 is a schematic view of section A-A in FIG. 2;

fig. 4 is a schematic structural diagram of an embodiment of the present invention;

fig. 5 is a schematic structural view of an inner cavity of a cover body according to an embodiment of the present invention;

fig. 6 is a circuit schematic of an embodiment of the invention;

fig. 7 is an electronic circuit diagram of an embodiment of the invention.

The figure is marked with:

the ultraviolet disinfection module comprises an arc-shaped upper cover 21, an arc-shaped lower cover 22, an annular arc seat 24, a reflective cup 25, an ultraviolet disinfection module 26, a circular table 31, a charging interface 36, a circuit board 37, a first concave step 52, a second concave step 53, a fixed seat 55, a connecting column 57, a charging circuit 62, a battery circuit 63, a driving circuit 66, a chip circuit 67 and a button S1.

Detailed Description

In order to better illustrate the technical features, technical solutions and functional effects that can be achieved by the present invention, the present invention is further explained below with reference to the accompanying drawings. Please refer to the attached drawings.

The arc-shaped upper cover 21 and the arc-shaped lower cover 22 of the utility model are combined into a spherical body, the arc-shaped upper cover 21 is buckled with the arc-shaped lower cover 22, the upper part of the arc-shaped upper cover 21 is provided with the planar circular table 31, the middle part of the planar circular table 31 is provided with the button S1 (circular), and the circular table 31 is provided with the charging interface 36 by the side edge; in FIG. 2, the diameter of the section A-A of the upper cover 21 is 70 to 100mm, and the diameter D1 of the circular truncated cone 31 is 34 to 49 mm.

An annular arc seat 24 is arranged at one end of the arc lower cover 22 away from the arc upper cover 21; the annular arc seat 24 is concave, and the diameter D2 of the outer ring of the annular arc seat 24 is higher than the diameter D3 of the inner ring; the inner ring diameter D3 of the annular arc seat 24 is 24-34.5 mm; the outer ring diameter D2 of the annular arc seat 24 is 51-72.5 mm;

the product can be more gathered when being made into a ball-shaped structure, and ultraviolet rays are used instead of scattered rays. The sterilization can be finished by projection irradiation through the structures of the annular arc seat 24 and the reflective cup 25.

A bowl-shaped reflecting cup 25 is arranged on the inner side of the inner ring diameter D3 of the annular arc seat 24, and an ultraviolet disinfection module 26(UVC LED lamp module) is arranged on the inner side of the reflecting cup 25;

the inner cavity of the arc-shaped lower cover 22 close to the annular arc seat 24 is provided with a second concave cavity step 53 which is concavely embedded, a first concave cavity step 52 which is concavely embedded is arranged on the second concave cavity step 53, the cavity of the first concave cavity step 52 is larger than that of the second concave cavity step 53, and a vertical fixed seat 55 is arranged on the inward side of the second concave cavity step 53;

a circuit board 37 is arranged in the arc-shaped lower cover 22, the circuit board 37 is arranged on the first concave cavity step 52, and an ultraviolet disinfection module 26(UVC LED lamp module) is arranged on the circuit board 37; the ultraviolet disinfection module 26 is arranged on the second cavity step 53 through the connecting column 57; the fixed seat 55 of the second concave step 53 is provided with a reflecting cup 25; the inner side of the reflective cup 25 is provided with an ultraviolet disinfection module 26.

The utility model discloses use the item of noticing:

1. can not directly irradiate the eyes;

2. it is not suitable to irradiate the skin for a long time;

3. cannot be used continuously for more than three minutes;

4. the charging power supply is 5V-2A (mobile phone charger);

5. the product can not be used by children to avoid injuring eyes, and the children should place a safe place after using the product.

The utility model uses 260-280 nm UVC wavelength light beam irradiation, the sterilization working distance is 5 cm, and the sterilization device is effective to common viruses and bacteria, such as influenza virus, acarid, bacillus anthracis, escherichia coli and the like; is convenient to use and carry, and is a necessary product for travel and home. The product can not contact human skin and eyes for a long time, and eyes can not be directly watched with ultraviolet rays during disinfection and can not irradiate human bodies and other animals with ultraviolet lamps.

A chip circuit 67 is arranged on the circuit board 37, and the chip circuit 67 is connected with the ultraviolet disinfection module 26(UVC LED lamp module) after passing through the driving circuit 66; the charging interface 36 is connected with the battery circuit 63 after passing through the charging circuit 62, and the battery circuit 63 is electrically connected with the ultraviolet disinfection module 26; the charging circuit 62, the battery circuit 63, the driving circuit 66, and the chip circuit 67 may be provided on the circuit board 37.

Pin 2 of the charging interface 36 is grounded, and pin 1 of the charging interface 36 is connected with pin 4 of the chip U1 of the charging circuit 62; a power supply VCC (power supply voltage) is connected with pin 1 of the charging interface 36;

the charging circuit 62 comprises a chip U1, a resistor R3 is connected between a pin 2 of a chip U1 and a ground end GND, and a resistor R1 is connected between a power supply VCC and a pin 4 of a chip U1; pin 4 of chip U1 is connected with pin 8 of chip U1, pin 1 of chip U1 is grounded with pin 3, pin 8 of chip U1 is connected with pin 7 of chip U1 after passing through resistance R2 and the positive and negative poles of indicator light D1, pin 8 of chip U1 is connected with pin 6 of chip U1 after passing through resistance R2 and the positive and negative poles of indicator light D2, and pin 5 of chip U1 is connected with battery interface BAT.

The battery circuit 63 comprises a battery pack BT1, the positive electrode of the battery pack BT1 is connected with a battery interface BAT, the negative electrode of the battery pack BT1 is grounded, and a capacitor C3 and a capacitor C4 which are connected in parallel are arranged between the positive electrode of the battery pack BT1 and a ground end GND;

the ultraviolet disinfection module 26 comprises UVC LED lamps D3, D4, D5 and D6, the UVC LED lamps D3, D4, D5 and D6 are arranged in parallel, the positive electrodes of the UVC LED lamps D3, D4, D5 and D6 are connected with the positive electrode of the battery pack BT1, and the negative electrodes of the UVC LED lamps D3, D4, D5 and D6 are connected with the driving circuit 66 through resistors R4, R5, R6 and R7 respectively;

the driving circuit 66 comprises an NMOS tube Q1, the drain D of the NMOS tube Q1 is respectively connected with resistors R4, R5, R6 and R7, the source S of the NMOS tube Q1 is grounded, and the gate G of the NMOS tube Q1 is grounded after passing through the resistor R13;

a grid G (input end) of the NMOS tube Q1 is connected with a pin 5 (output end) of a singlechip U2 of the chip circuit 67 after passing through a resistor R12;

the chip circuit 67 comprises a singlechip U2, a pin 8 of the singlechip U2 is grounded, and a button S1 is connected between a pin 4 of the singlechip U2 and a ground end GND; the pin 2 of the singlechip U2 is connected with a power supply VCC (power supply voltage) after passing through a resistor R8, and a resistor R10 is connected between the pin 2 of the singlechip U2 and a ground end GND; the pin 3 of the singlechip U2 is connected with the battery interface BAT after passing through the resistor R9, and the resistor R11 is connected between the pin 3 of the singlechip U2 and the ground GND.

The utility model discloses the use:

1. turning on the power (on/off manner is touch);

2. sterilizing by irradiating the surface of the object within a distance of five centimeters;

3. after the use, please turn off the power supply immediately.

The foregoing description of the embodiments is provided to enable one of ordinary skill in the art to understand and apply the techniques herein, and it is to be understood that various modifications may be readily made to the embodiments, and that the general principles defined herein may be applied to other embodiments without the use of inventive faculty. Therefore, the present disclosure is not limited to the above embodiments, and modifications to the following cases should be included within the scope of the present disclosure: firstly, a new technical scheme is implemented on the basis of the technical scheme of the utility model and by combining the prior common general knowledge, and the technical effect generated by the new technical scheme does not exceed the technical effect of the utility model; secondly, equivalent replacement of part of the characteristics of the technical scheme of the utility model by adopting the known technology produces the same technical effect as the utility model; the technical scheme of the utility model is used as a basis for expansion, and the essential content of the expanded technical scheme does not exceed the technical scheme of the utility model; and fourthly, the equivalent transformation made by the contents of the specification and the attached drawings of the utility model is directly or indirectly applied to other related technical fields.

Claims

1. A handheld ultraviolet germicidal lamp is characterized in that an arc-shaped upper cover (21) and an arc-shaped lower cover (22) are combined into a spherical body, the arc-shaped upper cover (21) is buckled with the arc-shaped lower cover (22), a circular table (31) is arranged at the upper part of the arc-shaped upper cover (21), a button S1 is arranged in the middle of the circular table (31), and an annular arc seat (24) is arranged at one end, far away from the arc-shaped upper cover (21), of the arc-shaped lower cover (22); the annular arc seat (24) is concave, and the outer ring of the annular arc seat (24) is higher than the inner ring thereof; a reflective cup (25) is arranged on the inner side of the inner ring of the annular arc seat (24), and an ultraviolet disinfection module (26) is arranged on the inner side of the reflective cup (25);

a circuit board (37) is arranged in the arc-shaped lower cover (22), and an ultraviolet disinfection module (26) is arranged on the circuit board (37);

a chip circuit (67) is arranged on the circuit board (37), and the chip circuit (67) is connected with the ultraviolet disinfection module (26) after passing through the driving circuit (66); the charging interface (36) is connected with a battery circuit (63) after passing through the charging circuit (62), and the battery circuit (63) is electrically connected with the ultraviolet disinfection module (26).

2. A hand-held ultraviolet germicidal lamp as claimed in claim 1, characterized in that the circuit board (37) is arranged on a first cavity step (52) and the ultraviolet disinfection module (26) is arranged on a second cavity step (53) by means of a connection post (57); a reflection cup (25) is arranged on the fixed seat (55) of the second concave cavity step (53);

an inner cavity of the arc-shaped lower cover (22) close to the annular arc seat (24) is provided with a second concave cavity step (53) which is concavely embedded, a first concave cavity step (52) which is concavely embedded is arranged on the second concave cavity step (53), the cavity of the first concave cavity step (52) is larger than that of the second concave cavity step (53), and a vertical fixed seat (55) is arranged on one inward side of the second concave cavity step (53);

a charging circuit (62), a battery circuit (63), a drive circuit (66), and a chip circuit (67) are provided on the circuit board (37).

3. The hand-held ultraviolet germicidal lamp as claimed in claim 1, wherein the widest diameter of the upper cover (21) is 70-100 mm, and the side of the circular truncated cone (31) is provided with a charging interface (36); the diameter D1 of the round table (31) is 34-49 mm; the inner ring diameter D3 of the annular arc seat (24) is 24-34.5 mm; the outer ring diameter D2 of the annular arc seat (24) is 51-72.5 mm.

4. The hand-held ultraviolet germicidal lamp as claimed in claim 1, wherein pin 2 of the charging interface (36) is grounded, pin 1 of the charging interface (36) is connected to pin 4 of a chip U1 of the charging circuit (62); the power supply VCC is connected with a pin 1 of a charging interface (36);

the charging circuit (62) comprises a chip U1, a resistor R3 is connected between a pin 2 of a chip U1 and a ground end GND, and a resistor R1 is connected between a power supply VCC and a pin 4 of a chip U1; pin 4 of chip U1 is connected with pin 8 of chip U1, pin 1 of chip U1 is grounded with pin 3, pin 8 of chip U1 is connected with pin 7 of chip U1 after passing through resistance R2 and the positive and negative poles of indicator light D1, pin 8 of chip U1 is connected with pin 6 of chip U1 after passing through resistance R2 and the positive and negative poles of indicator light D2, and pin 5 of chip U1 is connected with battery interface BAT.

5. The hand-held ultraviolet germicidal lamp as claimed in claim 4, characterized in that the battery circuit (63) comprises a battery set BT1, the positive pole of the battery set BT1 is connected with a battery interface BAT, the negative pole of the battery set BT1 is grounded, and a capacitor C3 and a capacitor C4 which are connected in parallel are arranged between the positive pole of the battery set BT1 and a ground GND;

the ultraviolet disinfection module (26) comprises UVC LED lamps D3, D4, D5 and D6, the UVC LED lamps D3, D4, D5 and D6 are arranged in parallel, positive electrodes of the UVC LED lamps D3, D4, D5 and D6 are connected with a positive electrode of a battery pack BT1, and negative electrodes of the UVC LED lamps D3, D4, D5 and D6 are connected with a driving circuit (66) through resistors R4, R5, R6 and R7 respectively.

6. The hand-held ultraviolet germicidal lamp as claimed in claim 4, wherein the driving circuit (66) includes an NMOS transistor Q1, a drain D of the NMOS transistor Q1 is connected to resistors R4, R5, R6, R7, respectively, a source S of the NMOS transistor Q1 is grounded, and a gate G of the NMOS transistor Q1 is grounded through a resistor R13;

the grid G of the NMOS tube Q1 is connected with a pin 5 of a U2 of the singlechip of the chip circuit (67) through a resistor R12.

7. The hand-held ultraviolet germicidal lamp as claimed in claim 4, characterized in that the chip circuit (67) comprises a single chip microcomputer U2, a pin 8 of the single chip microcomputer U2 is grounded, and a button S1 is connected between a pin 4 of the single chip microcomputer U2 and a ground GND; the pin 2 of the singlechip U2 is connected with a power supply VCC after passing through a resistor R8, and a resistor R10 is connected between the pin 2 of the singlechip U2 and a ground end GND; the pin 3 of the singlechip U2 is connected with the battery interface BAT after passing through the resistor R9, and the resistor R11 is connected between the pin 3 of the singlechip U2 and the ground GND.