CN215062716U

CN215062716U - Device for sterilizing and disinfecting closed space

Info

Publication number: CN215062716U
Application number: CN202120397028.9U
Authority: CN
Inventors: 冯晓东
Original assignee: Qingdao Hengjin Intelligent Technology Co ltd
Current assignee: Qingdao Hengjin Intelligent Technology Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-12-07
Anticipated expiration: 2031-02-23

Abstract

The utility model provides a to airtight space disinfection's device that disinfects, including ultraviolet lamp, its characteristics are: the rotary lamp holder is characterized by further comprising a base, rotary lamp holders and a control circuit board, wherein rotary shaft holes are formed in two side walls of the U-shaped base, rotary shafts are arranged at two ends of each rotary lamp holder, and the rotary shafts at two ends of each rotary lamp holder are respectively installed in the rotary shaft holes in one corresponding side. The bottom of base is equipped with the cavity, and control circuit board installs in the cavity. Ultraviolet lamp is dark ultraviolet LED group, and dark ultraviolet LED group includes a plurality of dark ultraviolet LED unit, and dark ultraviolet LED unit installs on rotatory lighting fixture. A timer, a power jack, a power switch and a light intensity sensor are arranged on the outer side surface of the base; the deep ultraviolet LED group, the timer and the illuminance sensor are connected to the control circuit board. Can kill virus and bacteria in sealed space effectively in all directions, and has small volume, low cost, safe and convenient use.

Description

Device for sterilizing and disinfecting closed space

Technical Field

The utility model belongs to the technical field of the disinfecting equipment that disinfects, a device to airtight space disinfection of disinfecting specifically says so.

Background

The drawer, the box, the wardrobe, the shoe cabinet, the cupboard and other darker spaces are easy to breed bacteria because the drawer, the box, the wardrobe, the shoe cabinet, the cupboard and other spaces cannot irradiate sunlight. Clothes, food, tableware, toys and the like are stored in the environment and are easy to go moldy and deteriorate, and the health of people is affected.

Currently, the main way to sterilize and disinfect the above-mentioned various enclosed spaces is to wipe them with a sponge or rag soaked with disinfectant. The mode can kill bacteria, but the wiping process is relatively complicated, time-consuming and labor-consuming; and drying after wiping. Some disinfectants have irritating peculiar smell and can be stained on stored articles. Therefore, new sterilization methods are continuously tried. At present, various techniques for sterilizing and disinfecting closed spaces are available:

chinese patent (application No. 202010270758.2) discloses an ultraviolet disinfection lamp control device for an intelligent wardrobe, which comprises an ultraviolet lamp, an electronic lock, a master control system, a lock control board, a lamp control board, a router and the like; each cabinet door is provided with an electronic lock and an ultraviolet lamp. According to introduction, the scheme can calculate the sterilization time of the ultraviolet lamp according to the number of the stored clothes, the cleaning degree of the clothes, the size of the cabinet door and other data, and resource waste is avoided. The system has the advantages of complex structure, higher cost, fussy use and difficult movement, and is suitable for large spaces such as cabinets and the like; is not suitable for small storage spaces such as boxes, drawers and the like.

Chinese patent application No. 202010282744.2 discloses a detachable ultraviolet disinfection device suitable for housing articles in a house. The device adopts the ultraviolet ray disinfection lamp to disinfect, adopts the removable assembly installation, is convenient for charge and dismantles. The scheme is convenient to use, but the operation of personnel is needed when the system is started; without a protective device, it is possible to irradiate the personnel during start-up and sterilization, causing injury.

Chinese patent (application No. 202020160729.6) discloses an ultraviolet cupboard lighting lamp with automatic disinfection and sterilization functions, which comprises a lighting mechanism and a sensing mechanism, wherein a lighting control module is connected with the sensing mechanism through a wireless network. The lighting module comprises a daylight module and an ultraviolet light module. The system can detect the action of opening and closing the cabinet door by personnel, automatically switch the illumination mode and the disinfection mode, effectively avoid the damage of strong ultraviolet rays to human bodies and has strong safety. The device has higher cost and large volume, is suitable for being fixedly arranged on the inner side of a cabinet door and is not suitable for disinfecting the space inside small furniture.

Deep Ultraviolet (UVC) light, generally referred to as ultraviolet light waves with a wavelength of 100 nm to 280 nm, has an energy of 12.4eV to 4.43 eV. Scientific researches show that when deep ultraviolet rays with proper dosage are applied, all microorganisms including bacteria, viruses, algae, spores and other microorganisms can be killed, and the killing effect is very obvious. In addition, ultraviolet sterilization belongs to physical sterilization and has the advantage of broad spectrum.

In the sterilization and disinfection application, the deep ultraviolet light emitting diode (UVC LED) has high irradiation intensity, no toxicity, no residue and no peculiar smell, ultraviolet light disappears after power failure, and the environment is completely unaffected and widely popularized and adopted; the deep ultraviolet LED is manufactured by adopting a semiconductor production process, has small volume, low working voltage, good safety and long working life, can generally reach 10000-20000 hours, and has simple control circuit and convenient use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device for sterilizing and disinfecting airtight space, which can effectively kill virus and bacteria in the airtight space in all directions and has the advantages of small volume, low cost, safe and convenient use.

The utility model aims at realizing through the following technical scheme:

a device for sterilizing and disinfecting a closed space comprises an ultraviolet lamp and is characterized by further comprising a base, a rotary lamp bracket and a control circuit board, wherein the base is U-shaped, rotary shaft holes are formed in two side walls of the base, rotary shafts are arranged at two ends of the rotary lamp bracket, and the rotary shafts at two ends of the rotary lamp bracket are respectively arranged in the rotary shaft holes on one corresponding side; the bottom of the base is provided with a cavity, and the control circuit board is arranged in the cavity; the ultraviolet lamp is a deep ultraviolet LED group, the deep ultraviolet LED group comprises a plurality of deep ultraviolet LED units, and the deep ultraviolet LED units are arranged on the rotary lamp frame; a timer, a power jack, a power switch and a light intensity sensor are arranged on the outer side surface of the base; the deep ultraviolet LED group, the timer and the illuminance sensor are connected to the control circuit board.

The improvement of the technical scheme is as follows: the rotary lamp holder is a cylinder, a V-shaped long groove with a fan-shaped cross section is axially arranged on the cylinder, the deep ultraviolet LED groups are fixed at the bottom in the V-shaped long groove, the light emitting surfaces of the deep ultraviolet LED units in the deep ultraviolet LED groups face the opening direction of the V-shaped long groove, and a reflecting cover is formed by the inner side wall of the V-shaped long groove.

The technical scheme is further improved as follows: and a status indicator lamp is also arranged at the bottom of the V-shaped long groove and is connected to the control circuit board.

The technical scheme is further improved as follows: and a mounting plate is axially arranged at the bottom of the V-shaped long groove, and the deep ultraviolet LED group and the status indicator lamp are arranged on the mounting plate.

The technical scheme is further improved as follows: a rechargeable battery pack is also arranged in the cavity at the bottom of the base.

The technical scheme is further improved as follows: and a protective cover is arranged at the opening of the V-shaped long groove and is made of quartz glass.

The technical scheme is further improved as follows: the base is characterized in that the hook is arranged on the bottom surface of the base and provided with a mounting plate, and a groove for inserting the hook is formed in the mounting plate.

The utility model has the advantages that:

1. the use is convenient: the disinfection is automatically finished without the participation of users; no consumption materials such as disinfectant are needed, and no damage is caused to the disinfected objects;

2. safe and reliable: the change of the environmental illumination is detected by an illumination sensor, when a person opens the container during disinfection, the deep ultraviolet LED is immediately closed, and the status indicator lamp flickers to give a warning;

3. the sterilization efficiency is high: the deep ultraviolet LED is adopted for sterilization and disinfection, the irradiation intensity is high, and complete sterilization can be completed within seconds when short-distance sterilization is performed;

4. the device has small volume, is convenient to move and install, can meet the disinfection requirements of closed spaces in most families and office environments by one device, and has low cost.

Drawings

FIG. 1 is a schematic structural view of a device for sterilizing and disinfecting a closed space according to the present invention;

FIG. 2 is a schematic structural view of a base in the device for sterilizing and disinfecting a closed space according to the present invention;

FIG. 3 is a schematic view of a rotary lamp holder of the device for sterilizing and disinfecting a closed space according to the present invention;

FIG. 4 is a schematic view of the device for sterilizing and disinfecting an enclosed space according to the present invention with a protective cover;

FIG. 5 is a schematic view of the apparatus for sterilizing and disinfecting a closed space according to the present invention before installation;

FIG. 6 is a schematic view of the device for sterilizing and disinfecting a closed space according to the present invention in use in a drawer;

fig. 7 is a control circuit block diagram of the device for sterilizing and disinfecting the enclosed space.

The reference numbers in the figures are: the LED lamp comprises a base 1, a rotating shaft 1.1, a cavity 1.2, a rotating lamp holder 2, a rotating shaft 2.1, a V-shaped long groove 2.2, a reflector 2.3, a deep ultraviolet LED group 3, a timer 4, a power jack 5, a power switch 6, a light intensity sensor 7, a rechargeable battery 8, a control circuit board 9, a status indicator lamp 10 and a protective cover 11.

Detailed Description

The invention will be described in further detail with reference to examples of the drawings, from which other embodiments can be derived by those skilled in the art without inventive step.

Referring to fig. 1 and 2, it is right to the embodiment of the utility model relates to a device for sterilizing and disinfecting airtight space, including ultraviolet lamp, base 1, rotatory lighting fixture 2 and control circuit board 9, above-mentioned base 1 is the U-shaped, all is provided with pivot hole 1.1 on base 1's both sides wall, and the both ends of rotatory lighting fixture 2 set up pivot 2.1, and the pivot 2.1 at rotatory lighting fixture 2 both ends is installed respectively in the pivot hole 1.1 that corresponds one side to can use the center line of two pivot holes 1.1 to rotate as the axis. The bottom of the base 1 is provided with a cavity 1.2, and the control circuit board 9 is arranged in the cavity 1.2. The ultraviolet lamp is a deep ultraviolet LED group 3, the deep ultraviolet LED group 3 comprises a plurality of deep ultraviolet LED units, and the deep ultraviolet LED units are installed on the rotary lamp frame 2. The outer side surface of the base 1 is provided with a timer 4, a power jack 5, a power switch 6 and a light intensity sensor 7, and the deep ultraviolet LED group 3, the timer 4 and the light intensity sensor 7 are all connected to a control circuit board 9.

Specifically, the method comprises the following steps: referring to fig. 3, the rotating lamp holder 2 is a cylinder, a V-shaped long groove 2.2 with a fan-shaped cross section is axially arranged on the cylinder, the deep ultraviolet LED group 3 is fixed at the bottom inside the V-shaped long groove 2.2, a light emitting surface of each deep ultraviolet LED unit in the deep ultraviolet LED group 3 faces the opening direction of the V-shaped long groove 2.2, and a reflector 2.3 is formed by the inner side wall of the V-shaped long groove 2.2. When the rotary lamp bracket 1 rotates, the irradiation area of the deep ultraviolet LED group 3 can be adjusted.

A status indicator light 10 is also arranged at the bottom of the V-shaped elongated slot 2.2, and the status indicator light 10 is connected to the control circuit board 9. The status indicator lamp 10 is an LED, can emit visible light, can identify a disinfection area, can also identify the working status of the deep ultraviolet LED group 3, and has a warning effect.

The specific installation mode is that an installation plate is axially arranged at the bottom of a V-shaped long groove on the cylinder, and the deep ultraviolet LED group 3 and the status indicator lamp 10 are arranged on the installation plate.

A rechargeable battery pack 8 is also arranged in the cavity 1.2 at the bottom of the base 1 and is used as a standby power supply.

Referring to fig. 4, optionally, a protective cover 11 is arranged at the opening of the V-shaped long groove 2.2, the protective cover 11 is used for protecting the deep ultraviolet LED group 3, and also has a decorative effect, and the normal disinfection operation of the device is not affected even if the protective cover 11 is not provided. The material of the shield 11 is a material that is transparent to ultraviolet and visible light, preferably quartz glass.

Referring to fig. 5, the utility model discloses still be furnished with the installation component, including the couple 12 that sets up on base 1 bottom surface and the mounting panel 13 that couple 12 was equipped with, set up on the mounting panel 13 and insert the recess of couple. The mounting plate 13 is fixed on the inner wall of the container, and the hook 12 can be inserted into a groove on the mounting plate 13 to be fixed. Besides the above installation method, other methods such as magnets and fasteners can be adopted for installation and fixation.

When in use, the device for sterilizing and disinfecting the closed space can be hung in the space to be disinfected by utilizing the hook 12 and the mounting plate 13, and the utility model is hung in the drawer to disinfect the drawer in the figure 6.

When the LED lamp is used, a power plug is firstly inserted into the power jack 5, the power switch 6 is turned on to switch on the power supply, and the time for the deep ultraviolet LED group 3 to be lightened is set on the timer 4. At this time, the status indicator lamp 10 is normally on, the irradiation range of the status indicator lamp 10 marks the irradiation disinfection range of the deep ultraviolet LED set 3, and the user can rotate the rotary lamp holder 2 to adjust the disinfection area accordingly.

Referring to fig. 7, the microprocessor on the control circuit board 9 reads the parameters set by the timer 4, and determines the disinfection time for the illumination of the deep ultraviolet LED set according to the parameters. The illuminance sensor 7 detects the illuminance of the surrounding environment, and sends the data to the microprocessor for calculation. When the system detects that the ambient brightness is changed from bright to dark to a certain threshold value, the space to be disinfected is closed, and the microprocessor lights the deep ultraviolet LED group to disinfect the closed space; at this point, the status indicator light 10 flashes to alert the user that the deep ultraviolet LED is operating. And after the disinfection time is up, the system automatically turns off the deep ultraviolet LED. When the deep ultraviolet LED group 3 is lighted and is in a disinfection process, the control circuit board 9 continuously detects data of the illuminance sensor 7, if the ambient brightness is changed from dark to bright to a certain threshold value, the user is considered to open the closed space, and the microprocessor closes the deep ultraviolet LED group 3 at the moment so as to prevent ultraviolet irradiation damage.

In practical implementation, the power switch 6 can be replaced by a timer 4 with a switch, and the system automatically turns off the deep ultraviolet LED and cuts off the power supply after disinfection. When the system is disinfected again, the knob of the timer 4 needs to be rotated, the power is supplied again, and the system can be disinfected again after being reset.

Referring to fig. 7, the control circuit operates as follows: the deep ultraviolet LED driving circuit outputs a square wave signal with adjustable duty ratio and frequency according to a control signal sent by the microprocessor, and the square wave signal is used for driving the deep ultraviolet LED group 3 to work; the indicator lamp driving circuit can change the color and the flashing frequency displayed by the status indicator lamp 10 according to the control signal sent by the microprocessor; the input signal of the illuminance sensor 7 is shaped, amplified and A/D converted by the signal processing circuit and then input to the microprocessor for calculating the ambient light intensity. The input signal of the timer 4 is input into the microprocessor for calculating the disinfection time, and the working power supply of the control circuit board 9 is from the commercial power or the rechargeable battery pack 8.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.

Claims

1. A device for sterilizing and disinfecting a closed space comprises an ultraviolet lamp and is characterized by further comprising a base, a rotary lamp bracket and a control circuit board, wherein the base is U-shaped, rotary shaft holes are formed in two side walls of the base, rotary shafts are arranged at two ends of the rotary lamp bracket, and the rotary shafts at two ends of the rotary lamp bracket are respectively arranged in the rotary shaft holes on one corresponding side; the bottom of the base is provided with a cavity, and the control circuit board is arranged in the cavity; the ultraviolet lamp is a deep ultraviolet LED group, the deep ultraviolet LED group comprises a plurality of deep ultraviolet LED units, and the deep ultraviolet LED units are arranged on the rotary lamp frame; a timer, a power jack, a power switch and a light intensity sensor are arranged on the outer side surface of the base; the deep ultraviolet LED group, the timer and the illuminance sensor are connected to the control circuit board.

2. The apparatus according to claim 1, wherein the rotary lamp holder is a cylinder, a V-shaped slot with a sector cross section is axially disposed on the cylinder, the deep ultraviolet LED groups are fixed at the bottom of the V-shaped slot, a light emitting surface of each deep ultraviolet LED unit in the deep ultraviolet LED groups faces the opening direction of the V-shaped slot, and a reflector is formed by an inner side wall of the V-shaped slot.

3. An apparatus for disinfecting and sterilizing a closed space according to claim 2, wherein a status indicator lamp is further provided at the bottom of said V-shaped elongated slot, said status indicator lamp being connected to said control circuit board.

4. The apparatus according to claim 3, wherein a mounting plate is disposed at the bottom of the V-shaped slot along the axial direction, and the deep ultraviolet LED set and the status indicator lamp are disposed on the mounting plate.

5. A device for sterilising and disinfecting a confined space as claimed in any one of claims 1 to 4, wherein a rechargeable battery pack is also provided in the cavity in the base of the base.

6. An apparatus for disinfecting and sterilizing a closed space according to any one of claims 2 to 4, wherein a protective cover is provided at the opening of said V-shaped elongated slot, said protective cover being made of quartz glass.

7. A device for disinfecting and sterilizing a closed space according to any one of claims 1 to 4, characterized in that a hook is provided on the bottom surface of said base, said hook being provided with a mounting plate, said mounting plate being provided with a groove into which said hook is inserted.

8. A device for sterilizing and disinfecting a closed space as claimed in claim 5, wherein said base is provided with a hook on the bottom surface thereof, said hook is provided with a mounting plate, and said mounting plate is provided with a groove for inserting said hook.

9. An apparatus for sterilizing and disinfecting a closed space as claimed in claim 6, wherein said base is provided with a hook on a bottom surface thereof, said hook is provided with a mounting plate, and said mounting plate is provided with a groove for inserting said hook.