CN113941014A

CN113941014A - Portable ultraviolet LED sterilizing device

Info

Publication number: CN113941014A
Application number: CN202111383916.6A
Authority: CN
Inventors: 廖俊宇; 段颖颖; 陈万富; 陈禄文
Original assignee: Chongqing Silian Optoelectronics Science & Technology Co ltd
Current assignee: Chongqing Silian Optoelectronics Science & Technology Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-01-18

Abstract

A portable ultraviolet LED sterilization device, comprising a casing, a lamp board and a battery are arranged in the casing, a plurality of ultraviolet LEDs are arranged on the lamp plate, a power supply control unit is arranged in the casing, and the power supply control unit is provided with a A safety protection unit for controlling the opening and closing of the ultraviolet LED, the safety protection unit includes an infrared sensor and a gravity sensor, the infrared probe and the gravity sensor are arranged on a circuit board, and the lower side of the housing is provided with a reflector mounting hole, and the upper A cover mounting hole is provided on the side, and a reflector is installed in the reflector mounting hole to be clamped and fixed with the housing. The reflector is provided with a number of light-passing holes corresponding to a number of ultraviolet LEDs on the lamp board. The reflector The infrared probe is provided with a position hole, a cover is installed in the mounting hole of the cover and is fixedly connected with the shell, and the two ends of the shell are respectively provided with end covers.

Description

Portable ultraviolet LED sterilizing device

Technical Field

The invention relates to the technical field of ultraviolet LED sterilization, in particular to a portable ultraviolet LED sterilization device.

Background

Deep ultraviolet light refers to light having a wavelength of 200nm to 280nm, and is also called UVC. UVC can penetrate cell membranes and cell nucleuses of microorganisms, destroy genetic substances such as DNA, RNA and the like, play a role in killing microbes and can be used as a broad-spectrum and efficient sterilization means.

Along with the development of society, people have higher and higher requirements on health and safety, and portable ultraviolet LED lamps are also produced. Because ultraviolet rays can penetrate through cells to cause the cells to die, the ultraviolet rays cannot be directly irradiated to the skin of a person when the portable ultraviolet LED lamp is used for disinfection, otherwise skin lesions are easily caused, and even canceration is caused. However, the ultraviolet light is invisible light, and if no obvious mark is provided on the portable ultraviolet LED lamp, it is not easy to determine whether the ultraviolet light is irradiating the skin or even eyes of a person. Therefore, the current portable ultraviolet LED lamp is very easy to cause the children and the old to touch by mistake, thus causing harm to the health and safety of human bodies.

Disclosure of Invention

The invention aims to provide a portable ultraviolet LED sterilization device aiming at the corresponding defects of the prior art, wherein once ultraviolet rays are irradiated on the surface of a human body through an infrared sensing device, a power supply is automatically cut off immediately so as to ensure the use safety of the sterilization device and avoid harm to the human body.

The purpose of the invention is realized by adopting the following scheme: a portable ultraviolet LED sterilization device comprises a shell, a lamp panel and a battery are arranged in the shell, the lamp panel is provided with a plurality of ultraviolet LEDs, the shell is internally provided with a power supply control unit, the power supply control unit is provided with a safety protection unit for controlling the opening and closing of the ultraviolet LEDs, the safety protection unit comprises an infrared sensor and a gravity sensor which are arranged on a circuit board, the lower side of the shell is provided with a reflector mounting hole, the upper side of the shell is provided with a face cover mounting hole, a reflector is arranged in the reflector mounting hole and is clamped and fixed with the shell, be equipped with a plurality of unthreaded holes on the reflector and correspond with a plurality of ultraviolet LED on the lamp plate, be provided with the infrared probe hole of stepping down on the reflector, a face lid is installed in face lid mounting hole and casing fixed connection, the both ends of casing are equipped with the end cover respectively.

Preferably, the power control unit is provided with a touch switch, and the face cover is provided with a touch hole corresponding to the touch switch.

Preferably, the power control unit is provided with a power main switch, and the power main switch extends outwards from a switch hole arranged on one end cover.

Preferably, the ultraviolet LED is a UVC-LED lamp bead capable of emitting visible light.

Preferably, the housing is a cuboid having a length of 200mm, a width of 40mm and a height of 30 mm.

Preferably, the reflecting surface of the reflector is covered with a reflecting film.

Preferably, the shell is made of aluminum alloy and used for improving the heat dissipation efficiency.

Preferably, the power control unit is provided with a digital display module, and the face cover is provided with a display window corresponding to the digital display module for displaying the working state of the ultraviolet LED sterilization device.

Preferably, the inner wall symmetry of the left and right sides of the shell is provided with lamp panel installation clamping grooves, and the lamp panels are clamped and fixed on the shell through the installation clamping grooves.

Preferably, the power control unit is provided with a charging interface, and the charging interface is inserted into a charging hole formed in one end cover.

The invention has the following beneficial effects: set up a power control unit in the casing, power control unit is equipped with the safety protection unit that is used for controlling the switching of ultraviolet LED, the safety protection unit includes infrared ray sensor, gravity sensor, infrared probe, gravity sensor set up on a circuit board, the casing downside is equipped with the reflector mounting hole, and the upside is equipped with the face lid mounting hole, and a reflector is installed and is fixed with the casing joint in the reflector mounting hole, it corresponds with a plurality of ultraviolet LED on the lamp plate to be equipped with a plurality of unthreaded holes on the reflector, be provided with the infrared probe hole of stepping down on the reflector, a face lid is installed and is covered with casing fixed connection in the mounting hole, the both ends of casing are equipped with the end cover respectively.

When the ultraviolet LED sterilization device is used for sterilization, the irradiation direction of infrared rays emitted by the infrared probe is the same as that of ultraviolet rays emitted by the ultraviolet LED, once the infrared rays irradiate a human body, the infrared sensor on the power supply control unit induces the human body, and the infrared sensor sends a signal to the power supply control unit to immediately turn off the ultraviolet LED;

or the reverse rotation angle of the device exceeds a preset angle, the gravity sensor sends a signal to the power supply control unit to enable the ultraviolet LED to be immediately turned off so as to protect the safety of a human body.

Preferably, the power control unit is provided with a touch switch, and the face cover is provided with a touch hole corresponding to the touch switch. The user controls the touch switch to control the opening and closing of the ultraviolet LED by fingers through the touch hole.

Preferably, the power supply control unit is provided with a power supply main switch, the power supply main switch extends out of a switch hole arranged on one end cover, and when the ultraviolet LED lamp is not used, the power supply main switch is normally closed, so that a user cannot touch the touch switch by mistake to cause the accidental opening of the ultraviolet LED.

Preferably, the ultraviolet LED is a UVC-LED lamp bead capable of emitting visible light, so that a user can judge whether the ultraviolet LED is in an on state by naked eyes.

Preferably, the shell is a cuboid, the length of the cuboid is 200mm, the width of the cuboid is 40mm, and the height of the cuboid is 30mm, so that the portable multifunctional desk is convenient to carry and has wide application scenes.

Preferably, the reflecting surface of the reflector is covered with a layer of reflecting film for improving the utilization rate of ultraviolet light, thereby improving the sterilization efficiency.

Preferably, the shell is made of aluminum alloy, so that the heat dissipation efficiency is improved, and the use stability of the heat dissipation device is ensured.

Preferably, the power control unit is provided with a digital display module, and the face cover is provided with a display window corresponding to the digital display module and used for displaying the working state of the ultraviolet LED sterilization device, so that a user can visually know the using state of the ultraviolet LED sterilization device.

Preferably, the inner wall symmetry of side sets up lamp plate installation draw-in groove about the casing, the lamp plate passes through the installation draw-in groove joint to be fixed at the casing, makes things convenient for the dismantlement and the change of lamp plate.

Preferably, the power control unit is provided with a charging interface, the charging interface is inserted into a charging hole formed in one end cover, and a user can charge the battery through the charging interface so as to ensure the working endurance of the invention.

Drawings

FIG. 1 is a cross-sectional structural view of the present invention;

FIG. 2 is a fragmentary view of the present invention;

FIG. 3 is an exploded view B of the present invention;

FIG. 4 is an isometric view of the present invention;

fig. 5 is an isometric view B of the present invention.

Detailed Description

As shown in fig. 1 to 5, a portable ultraviolet LED sterilization device includes a housing 1, in this embodiment, the housing 1 is made of aluminum alloy, the housing 1 is a cuboid, and the cuboid has a length of 200mm, a width of 40mm, and a height of 30 mm. Set up lamp plate 3 and battery 4 in the casing 1, in this embodiment, it is cotton to fill insulating bubble between battery 4 and the casing 1. The inboard wall symmetry of side sets up lamp plate installation draw-in groove 21 about casing 1, lamp plate 3 passes through installation draw-in groove 21 joint to be fixed at casing 1. Set up a plurality of ultraviolet LED2 on the lamp plate 3, ultraviolet LED2 is the UVC-LED lamp pearl that can send visible light. In the embodiment, the UVC-LED lamp beads adopt lamp beads of UA275-35F type manufactured by crystal energy photoelectricity limited company, and the effect is good. Set up a power control unit 14 in casing 1, power control unit 14 is equipped with the safety protection unit that is used for controlling ultraviolet LED2 switching, the safety protection unit includes infrared ray sensor 5, gravity sensor 6, infrared probe 5, gravity sensor 6 set up on a circuit board 23, the circuit board 23 of safety protection unit also can be fixed at casing 1 intracavity through installation card slot 21 joint. The present embodiment employs an infrared sensor model C200TX, manufactured by shenzhen zhi core science and technology limited. The utility model discloses a novel ultraviolet ray lamp, including casing 1, upside, reflector 11, reflector mounting hole 7, the upside is equipped with face lid mounting hole 8, and it is fixed with 1 joint of casing in reflector mounting hole 7 that a reflector 11 is installed, the plane of reflection of reflector 11 covers one deck reflectance coating for improve the utilization ratio of ultraviolet ray, the reflectance coating in this embodiment adopts accurate multilayer dielectric film effect to be good. Be equipped with a plurality of unthreaded holes 12 on the reflector 11 and correspond with a plurality of ultraviolet LED2 on the lamp plate 3, the light that ultraviolet LED2 sent can shine the object surface through crossing unthreaded hole 12, be provided with infrared probe hole 13 of stepping down on the reflector 11, infrared ray sensor's infrared probe 5 is installed in infrared probe hole 13 of stepping down, and a face lid 18 is installed in face lid mounting hole 8 with 1 fixed connection of casing, in this embodiment, face lid 18 is equipped with the bolt, and power control unit 14 is equipped with the jack, face lid 18 is fixed together the back through bolt, jack joint with power control unit 14, adopts the screw to pass screw hole on face lid 18, the power control unit 14 in proper order, installs face lid 18 in face lid mounting hole 8 with 1 fixed connection of casing. The two ends of the shell 1 are respectively provided with an end cover, and the end covers are clamped and fixed with the two ends of the shell 1 through buckles.

In this embodiment, the power control unit 14 is provided with a touch switch 15, and the surface cover 18 is provided with a touch hole 16 corresponding to the touch switch 15. The power control unit 14 is provided with a power main switch 17, and the power main switch 17 extends out from a switch hole 9 formed in one end cover. The power control unit 14 is provided with a charging interface 22, and the charging interface 22 is inserted into the charging hole 10 formed in one end cover. The power control unit 14 is provided with a digital display module 19, and the face cover 18 is provided with a display window 20 corresponding to the digital display module 19 for displaying the working state of the ultraviolet LED sterilization device. The digital display module 19 is generally a nixie tube, and is used for displaying the working time of the ultraviolet LED, so that a user can turn off the ultraviolet LED in time when the on duration of the ultraviolet LED is too long. The digital display module 19 may also be a liquid crystal display for displaying more working states.

When the ultraviolet LED lamp is used, the power main switch 17 must be turned on firstly, the touch switch 15 starts to work, when the fingers of a user contact the touch switch 15, the ultraviolet LED2 on the lamp panel 3 starts to work, ultraviolet light is emitted for sterilization, and if the fingers contact the touch switch 15 again, the ultraviolet LED2 stops working. When the ultraviolet LED2 works, once the infrared probe 5 senses a human body, the ultraviolet LED2 stops working immediately, or the gravity sensor 6 senses that the reversal angle of the device exceeds a preset angle, the ultraviolet light emitted by the ultraviolet LED2 risks irradiating the human body, and the ultraviolet LED2 is closed immediately to protect the safety of the human body.

The electronic unit comprises an ultraviolet LED2, a lamp panel 3, a battery 4, a power supply control unit 14, an infrared probe 5 of a safety protection unit and a gravity sensor 6 which are electrically connected through wiring terminals on a circuit board.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and modifications of the present invention by those skilled in the art are within the scope of the present invention without departing from the spirit of the present invention.

Claims

1. A portable ultraviolet LED sterilizing device comprises a shell (1), wherein a lamp panel (3) and a battery (4) are arranged in the shell (1), a plurality of ultraviolet LEDs (2) are arranged on the lamp panel (3), and the portable ultraviolet LED sterilizing device is characterized in that a power control unit (14) is arranged in the shell (1), the power control unit (14) is provided with a safety protection unit for controlling the opening and closing of the ultraviolet LEDs (2), the safety protection unit comprises an infrared sensor (5) and a gravity sensor (6), the infrared probe (5) and the gravity sensor (6) are arranged on a circuit board (23), a reflector mounting hole (7) is arranged at the lower side of the shell (1), a face cover mounting hole (8) is arranged at the upper side of the shell, a reflector (11) is installed in the reflector mounting hole (7) and is fixedly connected with the shell (1) in a clamping manner, a plurality of light passing holes (12) are arranged on the reflector (11) and correspond to the plurality of ultraviolet LEDs (2) on the lamp panel (3), be provided with infrared probe hole of stepping down (13) on reflector (11), a face lid (18) is installed in face lid mounting hole (8) and casing (1) fixed connection, the both ends of casing (1) are equipped with the end cover respectively.

2. The portable ultraviolet LED sterilization device of claim 1, wherein: the power supply control unit (14) is provided with a touch switch (15), and the face cover (18) is provided with a touch hole (16) corresponding to the touch switch (15).

3. The portable ultraviolet LED sterilization device of claim 1, wherein: the power supply control unit (14) is provided with a power supply main switch (17), and the power supply main switch (17) extends outwards from a switch hole (9) arranged on one end cover.

4. The portable ultraviolet LED sterilization device of claim 1, wherein: the ultraviolet LED (2) is a UVC-LED lamp bead capable of emitting visible light.

5. The portable ultraviolet LED sterilization device of claim 1, wherein: the casing (1) is a cuboid, the length of the cuboid is 200mm, the width of the cuboid is 40mm, and the height of the cuboid is 30 mm.

6. The portable ultraviolet LED sterilization device of claim 1, wherein: the reflecting surface of the reflector (11) is covered with a reflecting film.

7. The portable ultraviolet LED sterilization device of claim 1, wherein: the shell (1) is made of aluminum alloy and used for improving the heat dissipation efficiency.

8. The portable ultraviolet LED sterilization device of claim 1, wherein: the power supply control unit (14) is provided with a digital display module (19), and the face cover (18) is provided with a display window (20) corresponding to the digital display module (19) and used for displaying the working state of the ultraviolet LED sterilization device.

9. The portable ultraviolet LED sterilization device of claim 1, wherein: the lamp panel installation clamping groove (21) is symmetrically arranged on the inner wall of the left side and the right side of the shell (1), and the lamp panel (3) is clamped and fixed on the shell (1) through the installation clamping groove (21).

10. The portable ultraviolet LED sterilization device of claim 1, wherein: the power supply control unit (14) is provided with a charging interface (22), and the charging interface (22) is inserted into a charging hole (10) formed in one end cover.