CN113398303B

CN113398303B - Indoor sterilization method

Info

Publication number: CN113398303B
Application number: CN202110737637.9A
Authority: CN
Inventors: 吕鹤男; 朱从文; 吕天刚; 杨艳春; 刘玉生
Original assignee: Guangzhou Ledia Lighting Co Ltd
Current assignee: Guangzhou Ledia Lighting Co Ltd
Priority date: 2020-06-30
Filing date: 2021-06-30
Publication date: 2022-09-13
Anticipated expiration: 2041-06-30
Also published as: CN111920990A; CN113398303A

Abstract

The invention provides an indoor sterilization method.A indoor sterilization system comprises an upper computer, an intelligent gateway, a detection device, a lamp system, a prompt system and a protective device; according to the invention, the lamp system starts to work only when no person is detected by the human body sensor through confirming that the curtain and the door lock are completely closed; therefore, the sterilization space is ensured to be free of people, so that the personnel can be prevented from entering the sterilization space during sterilization, and the ultraviolet light can be prevented from irradiating the outside of the sterilization space, and the use is safe; by establishing the three-dimensional model, the sterilization method has good applicability and wide application scene; the method also comprises the steps of comparing the radiation intensity of ultraviolet light and a first irradiance detector under different focal lengths through formula operation, and obtaining corresponding focal length data according to the optimal radiation intensity; and controlling a focusing mechanism to adjust the focal distance between the germicidal lamp and the lens according to the focal distance data.

Description

Indoor sterilization method

Technical Field

The invention relates to the field of ultraviolet sterilization, in particular to an indoor sterilization method.

Background

Bacteria are easy to breed in daily life, a large number of bacteria can influence the health of people, and people pay more and more attention to the environment and personal health. Ultraviolet LEDs generally mean LEDs having an emission center wavelength of 400nm or less, but ultraviolet LEDs are often used in the sterilization field because they are sometimes called near ultraviolet LEDs when the emission wavelength is more than 380nm and deep ultraviolet LEDs when the emission wavelength is less than 300nm, and the sterilization effect of short-wavelength light is high.

A multifunctional classroom lamp and a lighting system thereof are disclosed in a patent document with a chinese application number of 201911077598.3 and a publication number of 2020.1.10; the multifunctional classroom lamp and the lighting system thereof comprise an air purification module, a lighting module, a temperature detection module, a display module, a camera module, a circuit switch module, a processing system module and a power supply module; wherein the lighting module comprises an ultraviolet light pattern.

The lamp system is applied to a classroom; meanwhile, short wave sterilization Ultraviolet (UVC) belongs to one type of ultraviolet, and the ultraviolet can burn the skin after being directly irradiated for a long time, thereby causing damage to the human body; the lamp system is not provided with a protection mechanism; when sterilization cannot be carried out, people are limited to enter a classroom; meanwhile, because the classroom is not closed, ultraviolet light emitted by the ultraviolet lamp tube can irradiate the outside of the classroom during sterilization; the personnel outside the classroom can be injured, so that potential safety hazards exist; meanwhile, the ultraviolet lamp tube can only rotate in the switching process of the common light mode and the ultraviolet lamp light mode; the ultraviolet lamp tube does not move during sterilization; thus, the irradiation range of the ultraviolet lamp is small during sterilization, and the sterilization range is small.

Disclosure of Invention

The invention provides an indoor sterilization method which is safe to use, good in sterilization effect and large in sterilization range.

In order to achieve the purpose, the technical scheme of the invention is as follows: an indoor sterilization method is characterized in that an indoor sterilization system comprises an upper computer, an intelligent gateway, a detection device, a lamp system, a prompt system, a protective device and an electric main switch; the electric main switch is electrically connected with the upper computer, the intelligent gateway, the detection device, the lamp system, the prompt system and the protective equipment; the upper computer, the intelligent gateway, the detection device, the lamp system, the prompt system and the protection device are respectively connected with the wireless router; the intelligent gateway controls the detection device, the lamp system, the prompt system and the protective equipment according to an instruction sent by the upper computer; the protection equipment comprises an intelligent door lock assembly and an intelligent curtain assembly;

the lamp system comprises a lamp control assembly, a lamp holder, a sterilizing device, a lamp lifting device, a track, a micro camera, a laser range finder and a second irradiance probe; the lamp lifting device is connected with the track, and the sterilizing device is arranged on the lamp holder; the lamp holder comprises a lamp holder moving driving mechanism and a sliding wheel, the sliding wheel is arranged on the track, and the lamp holder moving driving mechanism drives the sliding wheel to slide; the lamp lifting device drives the rail, the lamp holder and the sterilizing device to synchronously lift; the miniature camera and the laser range finder are connected with the lamp control component;

the sterilization device comprises a sterilization support, and a sterilization rotating mechanism, a sterilization swinging mechanism and a sterilization piece which are arranged on the sterilization support; the sterilization rotating mechanism drives the sterilization support, the sterilization swinging mechanism and the sterilization piece to synchronously rotate on the lamp holder; the sterilization swing mechanism drives the sterilization piece to swing on the sterilization support; the sterilizing part comprises a condenser, a sterilizing lamp, a focusing mechanism, a lens and a second irradiance probe; the condenser is provided with a sterilization opening; the sterilizing lamp and the focusing mechanism are arranged in the condenser; the focusing mechanism is positioned between the sterilizing lamp and the sterilizing opening; the lens and the second irradiance probe are arranged on the focusing mechanism;

the detection device comprises an air microorganism sensor, a first irradiance probe and a human body sensor; more than one air microorganism sensor, one first irradiance probe and one human body sensor are arranged respectively;

an indoor sterilization method of an indoor sterilization system comprises the following steps;

1) starting a sterilization mode, detecting by a human body sensor, controlling an intelligent curtain component to close a curtain and an intelligent door lock component to close a door lock by an intelligent gateway when nobody is detected, judging whether the curtain and the door lock are completely closed, and sending a prompt by a prompt system when the curtain and the door lock are completely closed and carrying out step 2); repeating the step if the closure is not complete;

2) the lamp control chip reads the indoor space three-dimensional model in the intelligent gateway; if the reading is successful, performing step 3); if the reading is unsuccessful, controlling the miniature camera and the laser range finder to obtain indoor space shape data, and establishing a three-dimensional model; storing the indoor space three-dimensional model in an intelligent gateway, and repeating the steps;

3) determining the radiation dose of the area to be sterilized, resetting the sterilizing device to the initial position by the lamp system, enabling the sterilizing device to descend to a preset distance, and reading the sterilizing data in the intelligent gateway by the lamp control chip; if the reading is successful, the step 4) is carried out; if the reading is unsuccessful, opening the primary light shield, then starting the ultraviolet LED lamp, starting the first sterilization heat dissipation device, aligning the ultraviolet LED lamp to a first irradiance probe on the area to be sterilized to calibrate sterilization data, storing the sterilization data in the intelligent gateway, and then performing step 4);

4) according to the sterilization data and the radiation intensity value of the ultraviolet LED lamp obtained by the ultraviolet LED lamp at the second irradiance probe after the focal length is adjusted, if the radiation intensity value meets the requirement of radiation dosage, the optimal focal length position is determined, and the adjusted focal length position and the current position value are stored;

5) acquiring the irradiation diameter of the ultraviolet LED lamp at the optimal focal length position on the area to be sterilized, and determining the irradiation diameter as the size of the area to be sterilized;

6) dividing the indoor space three-dimensional model into a plurality of transverse areas and longitudinal areas according to the size of an area to be sterilized, and sterilizing the ultraviolet LED lamp under the driving of the lamp lifting device; step 7) is carried out after the sterilization operation is finished;

7) turning off the ultraviolet LED lamp, turning off the primary light shield, and turning off the secondary light shield; the sterilization device is reset to the initial position; the lamp lifting device drives the sterilizing device to lift; when the temperature of the sterilizing device is reduced to below the designated temperature, the first sterilizing and heat radiating device is closed; then step 8) is carried out;

8) the intelligent gateway controls the intelligent curtain component to open the curtain, the intelligent door lock component to open the door lock, and the prompting system prompts.

Further, the method for calibrating the sterilization data in the step 3) comprises the following steps:

(3.1) presetting numerical values of an ultraviolet air propagation loss coefficient k and a constant t; and measuring the ultraviolet irradiation distance x1 from the current position to the area to be sterilized by the laser range finder, and measuring the irradiance value phi of the current position by the first irradiance probe _e (x 1), then carrying out step (3.2);

(3.2) according to I _e （x）=φ _e （x）* x ² + kx + t determining the radiation intensity I at the current position _e （x1）；

And (3.3) correspondingly storing the radiation intensity and the radiation dose corresponding to the distance by the intelligent gateway.

The influence of air on the irradiation intensity is fully considered in the equation of the method, and ultraviolet rays are absorbed by the atmosphere in the air transmission process, so that constants t and k are increased, wherein the constants k and t are obtained by measuring the corresponding irradiance and the radiation intensity value under different distances in advance in the same environment (the ultraviolet ray air transmission loss coefficient is constant), and then obtaining the fitting formula I _e （x）=φ _e （x）* x ² + kx + t and constants k and t in the formula, then determining the formula and values of the constants k and t in the same way under the condition of replacing another environment to obtain corresponding values of k and t under different environments, then directly using the formula and the corresponding constants k and t under the determined environment in the step (3.2), obtaining a radiation intensity value by measuring the irradiance at the current position, and obtaining the radiation intensity value through the irradiance at a plurality of positions and the corresponding positions in advance; this ensures the accuracy of the radiation intensity values.

Further, the method for determining the optimal focal length position in step 4) comprises the following steps:

(4.1) adjusting the focusing mechanism to enable the measured radiation intensity of the second irradiance probe to be A x I _e (x 1), A is 10% or 50%, determining the current focal length position as the optimal focal length position, and then performing the step (4.2);

and (4.2) the intelligent gateway saves the corresponding optimal focal length position, the radiation intensity and the radiation dose at the distance.

Because the irradiation surface of the lamp is generally a circular surface, the radiation intensity of the circular surface is uneven, the middle radiation intensity is strongest, and the edge is smallest, the radiation intensity measured at the edge of the lamp far away from the center direction is within a certain range of the radiation intensity of the center distance by adjusting the focusing mechanism, so that the radiation intensity of the edge area is ensured to meet specific requirements, the current position is further determined to be the optimal focal position, the radiation intensity is adjusted by adjusting the focal length, the best sterilization effect is achieved under certain power and distance, and the accuracy of data is ensured by comparing the measured value in the step with the value calculated in the step (3).

Further, the sterilization operation in step 6) comprises the following steps:

(6.1) the sterilizing device moves transversely from the starting position, and after the sterilization in one transverse area is finished, the step (6.2) is carried out;

(6.2) driving the lamp holder to move to the next transverse area by the lamp holder moving driving mechanism, and then repeating the step (6.2); until the sterilization of all the areas is finished;

the areas of the transverse region and the longitudinal region are determined according to the size under the optimal focal distance, and then the mobile scanning is carried out, so that the scanning accuracy and the comprehensiveness are improved.

Further, step 4) also includes: if the radiation intensity value does not meet the requirement of radiation dosage, the distance between the ultraviolet LED lamp and the area to be sterilized or the power of the ultraviolet LED lamp is adjusted through the lamp lifting device until the ultraviolet LED lamp can meet the requirement of radiation dosage, and if the distance cannot meet the requirement of radiation dosage after the focal length is adjusted, the radiation intensity value is achieved by adjusting the power and the distance with the sterilization area, and the sterilization reliability is ensured.

According to the sterilization method, whether the curtain and the door lock are completely closed or not is confirmed, and when no person is detected by the human body sensor, the lamp system starts to work; therefore, the sterilization space is ensured to be free of people, so that the personnel can be prevented from entering the sterilization space during sterilization, and the ultraviolet light can be prevented from irradiating the outside of the sterilization space, and the use is safe; meanwhile, because the internal structures of different sterilization spaces are different, three-dimensional model data are obtained according to the sterilization spaces; determining the irradiation size on the sterilization area with the optimal focal length position meeting the radiation dose requirement so as to determine a space three-dimensional model to determine the size of the area to be sterilized divided into a transverse area and a longitudinal area, thereby fully irradiating the size of the transverse area and the size of the longitudinal area by using the irradiation size, further improving the sterilization reliability, and performing sterilization through the data of the three-dimensional model; the sterilization method has good applicability and wide application scene; the method also comprises the steps of comparing the radiation intensity of ultraviolet light and a first irradiance detector under different focal lengths through formula operation, and obtaining corresponding focal length data according to the optimal radiation intensity; controlling a focusing mechanism to adjust the focal distance between the germicidal lamp and the lens according to the focal distance data; meanwhile, the optimal focal length position and the corresponding data such as radiation dose are stored in the intelligent gateway, so that the three-dimensional model data and the sterilization data can be directly read when the sterilization is performed in the same sterilization space next time, the data are directly called for sterilization, and the sterilization is efficient.

Drawings

Fig. 1 is a schematic structural view of an indoor sterilization system using the present invention.

Fig. 2 is a top view of the sterilizing unit with the secondary light shield removed using the indoor sterilizing system of the present invention.

Fig. 3 is a sectional view taken along a-a in fig. 2.

Fig. 4 is an enlarged view of a in fig. 3.

Fig. 5 is an exploded view of a sterilizing rotating mechanism using the indoor sterilizing system of the present invention.

Fig. 6 is a side view of a sterilization unit employing the indoor sterilization system of the present invention with the sterilization support cover, condenser and secondary light shield removed.

Fig. 7 is a front view of a sterilizing member using the indoor sterilizing system of the present invention.

Fig. 8 is an exploded view of a sterilizing swing mechanism using the indoor sterilizing system of the present invention.

Fig. 9 is a schematic structural view of a lamp holder movement driving mechanism and a sliding wheel using the indoor sterilization system of the present invention.

Fig. 10 is a schematic mechanism diagram of a lamp system using the indoor sterilization system of the present invention.

Fig. 11 is a perspective view of a condenser used in the indoor sterilization system according to the present invention.

Fig. 12 is an enlarged view of b in fig. 6.

Fig. 13 is an enlarged view of c in fig. 6.

Fig. 14 is a schematic structural view of a germicidal lamp and a secondary shutter using the indoor germicidal system of the present invention.

Fig. 15 is a schematic structural view of an intelligent curtain assembly using the indoor sterilization system of the present invention.

FIG. 16 is a flow chart of the present invention.

FIG. 17 is a flow chart of the present invention for calibrating sterilization data.

Fig. 18 is a flowchart of determining the optimal focal position in the present invention.

Fig. 19 is a flowchart of the sterilization operation in the present invention.

Detailed Description

The invention is described in further detail below with reference to the drawings and the detailed description.

As shown in fig. 1-15; an indoor sterilization system for sterilization by using the invention comprises an upper computer 1, an intelligent gateway 2, a detection device 3, a lamp system 4, a prompt system 5, a protective device 6 and an electric main switch 7; the intelligent gateway 2, the detection device 3, the lamp system 4, the prompt system 5 and the protection device 6 are electrically connected with the electric main switch 7. The prompting system 5 comprises a voice module (not shown in the figure) and a display module (not shown in the figure), and the prompting system carries out prompting through the voice module and the display module. When in use, the intelligent gateway 2, the detection device 3, the lamp system 4, the prompt system 5 and the protection device 6 are arranged in the sterilization space; the electric main switch 7 is arranged outside the sterilizing space; thus, the whole sterilization system can be turned off by manually controlling the electric main switch 7 in an emergency. The upper computer 1, the intelligent gateway 2, the detection device 3, the lamp system 4, the prompt system 5 and the protection device 6 are respectively connected with the wireless router; the intelligent gateway 2 controls the detection device 3, the lamp system 4, the prompt system 5 and the protection equipment 6 according to an instruction sent by the upper computer 1.

As shown in fig. 2-3; the lamp system 4 comprises a lamp control assembly 41 and a sterilization component; the sterilizing part comprises a lamp holder 42 and a sterilizing device 43; the lamp control assembly 41 is mounted within the socket 42; the lamp holder 42 and the sterilizing device 43 are connected with the lamp control component 41; the lamp control component 41 comprises a lamp control chip and a lamp communication chip, the lamp control chip is arranged to control the lamp system 4, and the lamp communication chip is arranged to transmit data with the intelligent gateway 2. The sterilizing device 43 is mounted on the lamp holder 42; the sterilization device 43 comprises a sterilization support cover plate 431, a sterilization support 432, and a sterilization rotating mechanism 434, a sterilization swinging mechanism 435 and a sterilization piece 436 which are arranged on the sterilization support 432; the sterilizing support cover 431 is wrapped outside the sterilizing support 432. The sterilization rotating mechanism 434, the sterilization swinging mechanism 435 and the sterilization piece 436 are electrically connected with the lamp control chip. The sterilization rotating mechanism 434 drives the sterilization support 432, the sterilization swinging mechanism 435 and the sterilization part 436 to synchronously rotate on the lamp holder 42; the sterilization swing mechanism 435 drives the sterilization member 436 to swing on the sterilization support 432.

As shown in fig. 2, 3, 7 and 11; the sterilizing member 436 comprises a sterilizing support plate 4361, a condenser 4362, a sterilizing lamp 4363, a focusing mechanism 4364, a lens 4365 and a first sterilizing and heat dissipating device 4366; in this embodiment, the first sterilization heat dissipation device is a heat dissipation device provided with a fan. The condenser 4362 is provided with a sterilization opening 43621; the germicidal lamp 4363, the focusing mechanism 4364 and the first germicidal heat sink 4366 are mounted on the bacteria support plate and are arranged in the condenser 4362; the first sterilization heat sink 4366 is located at an end of the light collector 4362 away from the sterilization opening 43621; the focusing mechanism 4364 is located between the germicidal lamp 4363 and the germicidal opening 43621; the lens 4365 is mounted on the focusing mechanism 4364. In this embodiment, the lens is a quartz lens.

As shown in fig. 6, 10, 13, 14; the sterilizing member 436 further includes a primary light shield 4367 and a secondary light shield 4368; the primary light shield 4367 is disposed between the germicidal lamp 4363 and the lens 4365; the germicidal lamp 4363 includes a germicidal lamp body 43634 and a germicidal lamp base 43631.

The germicidal lamp body is mounted on the germicidal lamp base 43631; the germicidal lamp base 43631 is provided with a primary guide column 43632 protruding from the outer wall of the germicidal lamp base 43631 in a direction facing the condenser 4362 for mounting the primary light shield 4367; the sterilization support plate 4361 is provided with a primary pushing cylinder 43612; the primary push cylinder 43612 is a micro cylinder; the primary push cylinder 43612 is connected with the primary light shield 4367; the primary push cylinder 43612 drives the primary light shield 4367 to approach and depart from the body of the germicidal lamp 4363; a scratch-proof part 43633 is arranged between the germicidal lamp base 43631 and the primary light shield 4367; the scraping-preventing piece 43633 is arranged to prevent the primary light shield 4367 from contacting with the germicidal lamp body, so that the primary light shield 4367 is prevented from scraping the germicidal lamp body in the moving process to influence the germicidal effect. The secondary light shield 4368 is disposed on the condenser 4362 at an end adjacent to the sterilizing aperture 43621. The secondary light shield 4368 is an openable and closable shield; the openable and closable cover body is the prior art, and will not be described in a repeated way.

By providing a primary light shield 4367 and a secondary light shield 4368; the primary light shield 4367 and the secondary light shield 4368 can block ultraviolet rays emitted from the ultraviolet LED lamp when closed; the damage of the generated ultraviolet rays to a human body after the ultraviolet LED lamp is abnormally started is avoided. Meanwhile, the primary light shield 4367 and the secondary light shield 4368 protect the germicidal device 43, the secondary light shield 4368 can block dust from entering the condenser 4362 when closed, and the primary light shield 4367 can block dust from entering the germicidal lamp 4363 when closed.

As shown in fig. 6 and 12; the focusing mechanism 4364 comprises a focusing lifting device and a focusing guide device; the focusing lifting device comprises a focusing lifting motor 43641, a focusing screw 43642, a focusing moving assembly and a focusing bracket 43643; the focus guide comprises focus first guide posts 43644 and focus second guide posts 43645; more than one focusing first guide column 43644 and focusing second guide column 43645 are arranged; in an embodiment; two of the first and second focusing guide columns 43644 and 43645 are provided; the focusing bracket 43643 penetrates through the focusing first guide column 43644 and the focusing second guide column 43645; two focusing first guide posts 43644 are located at one end of the focusing bracket 43643; two second focusing guide posts 43645 focus the other end of the bracket 43643; the lens 4365 is mounted on the focusing bracket 43643; the focusing moving assembly is arranged on the focusing screw 43642 and penetrates through the focusing second guide column 43645; two focusing second guide columns 43645 are respectively arranged at the left and right sides of the focusing screw 43642; the focus moving assembly comprises a focus moving member 43646, a focus first support plate 43647 and a focus second support plate 43648; a focusing guide 43649 is disposed on the focusing second guide column 43645; one end of the focusing guide 43649 is overlapped with the focusing first support plate 43647, and the other end is overlapped with the focusing second support plate 43648; the focusing moving piece 43646 is connected with the focusing first support plate 43647; the focusing moving piece 43646 is provided with a threaded hole, the focusing lifting motor 43641 drives the focusing screw rod 43642 to rotate, and the focusing screw rod 43642 drives the focusing moving piece 43646 to move up and down along the guiding direction of the focusing guide device, so that the lens 4365 is driven to be far away from or close to the bactericidal lamp 4363.

The first heat dissipation device is arranged to improve the heat dissipation effect of the sterilization part 436, so that the service life is prolonged; the focal length is changed by arranging a focusing lifting device to drive the focusing bracket 43643 to approach or depart from sterilization and the like; by arranging a focusing guide device; thus, the focus holder 43643 moves in the guide direction of the focus guide and the movement is stabilized.

As shown in fig. 3, 4, 5; the sterilizing rotating mechanism 434 includes a sterilizing rotation driving device 4346, a rotating sleeve 4341, a rotating member 4342, a toggle member 4343, a first rotating connecting shaft 4344 and a second rotating connecting shaft 4345; in this embodiment, the first and second rotating connecting shafts are connecting shafts with threaded ends.

The sterilizing rotary driving means 4346 includes a sterilizing rotary motor 43461 and a rotary synchronizing wheel 43463; the sterilization rotary motor 43461 is arranged on the sterilization support 432; the sterilization rotary motor 43461 is connected with a rotary driving wheel 43462; a rotating synchronous belt 43464 is sleeved between the rotating driving wheel 43462 and the rotating synchronous wheel 43463; the rotating synchronizing wheel 43463 is connected to the rotating sleeve 4341 via a first rotating connecting shaft 4344; the rotating sleeve 4341 is fixed on the lamp holder 42; the rotating member 4342 includes a rotating mounting plate 43421 and a rotating shaft 43422; the rotating shaft 43422 is arranged on the rotating mounting plate 43421, the toggle member 4343 and the rotating sleeve 4341 in a penetrating manner; a rotating bearing 4347 is arranged between the rotating sleeve 4341 and the rotating shaft 43422; one end of the rotating shaft 43422 far away from the rotating sleeve 4341 is provided with a rotating fixing part 43423; the toggle member 4343 is located between the rotation sleeve 4341 and the rotation fixing portion 43423; the rotation mounting plate 43421 is located between the dial 4343 and the rotation fixing portion 43423; the sterilizing support 432 is installed between the rotation fixing part 43423 and the rotation mounting plate 43421; in this embodiment, the rotation fixing portion 4342 is provided with a rotation threaded hole 43425, and the rotation mounting plate 4342 is provided with a rotation mounting through hole 43426; the sterilization support 432 is provided with a support mounting through hole (not shown in the figure); the bolt passes through the rotation mounting through hole 43426, the holder mounting through hole and then is fixed to the rotation threaded hole 43425.

The rotation mounting plate 43421 is provided with a rotation groove 43424; the second rotating connecting shaft 4345 is connected with the sterilization support 432 in an installing manner, and one end of the second rotating connecting shaft 4345 close to the sterilization support 432 is arranged in the rotating groove; the toggle piece 4343 is provided with a limit block 43431 in an outward protruding way; the stopper is provided between the first rotation connecting shaft 4344 and the second rotation connecting shaft 4345.

By providing the rotating sleeve 4341 fixed to the lamp socket 42, the rotating synchronizing wheel 43463 and the rotating sleeve 4341 are connected by the first rotating connecting shaft 4344 at the same time; thus the rotating sleeve 4341 and the rotating sync wheel 43463 are stationary; meanwhile, a sterilization rotary motor 43461 is arranged on the sterilization support 432; when the rotating motor 43461 rotates to drive the rotating capstan 43462 to rotate in a forward direction, since the rotating timing wheel 43463 is fixed on the rotating sleeve 4341 and thus is stationary, the balance of the movement is maintained under the action of the rotating timing belt 43464, so that the sterilization rotating motor 43461 rotates around the rotating timing wheel 43463, and the sterilization rotating motor 43461 is fixed on the sterilization support 432, thereby driving the sterilization support 432 and the rotating member 4342 to rotate.

The sterilization support 432 is connected by a second rotary connecting shaft 4345; thus, when the rotating member 4342 rotates, the second rotating connecting shaft 4345 is also driven to rotate in one direction in the plane; meanwhile, the toggle piece 4343 with the limit block 43431 is arranged, so that the second rotary connecting shaft 4345 is attached to the limit block under the driving of the rotary piece 4342; the second rotating connecting shaft 4345 drives the limiting block to rotate, and when the limiting block is attached to the first rotating connecting shaft 4344 in the rotating process; the first rotating connecting shaft 4344 limits the limiting block, and then stops the rotation of the toggle member 4343, and further stops the rotation of the second rotating connecting shaft 4345, the rotating member 4342 and the sterilization support 432.

When the rotating driving wheel 43462 rotates reversely, the rotating member 4342 is driven to rotate in the other direction in the plane, so that the rotating member 4342 also drives the second rotating connecting shaft 4345 to rotate; the second rotating connecting shaft 4345 is attached to the limiting block under the driving of the rotating part 4342; under the driving of the second rotating connecting shaft 4345, the limiting block is separated from the first rotating connecting shaft 4344; the limiting block rotates; the limiting block is attached to the first rotating connecting shaft 4344 from the same rotating direction of the rotating member 4342; the first rotating connecting shaft 4344 limits the limiting block, and then stops the rotation of the toggle member 4343, and further stops the rotation of the second rotating connecting shaft 4345, the rotating member 4342 and the sterilization support 432. Therefore, the sterilization rotary driving device 4346 drives the sterilization support 432 to rotate, and meanwhile, the sterilization support 432 can be prevented from being damaged due to excessive rotation.

The sterilizing support 432 includes a first swing through hole (not shown) and a second swing through hole (not shown); the centers of the first swing through hole and the second swing through hole are on the same straight line and are respectively arranged at one side of the sterilization support 432; the sterilizing part 436 is provided with a first swinging part 43691 and a second swinging part 43692, and the first swinging part 43691 penetrates through the first swinging through hole; the second swinging member 43692 penetrates through the second swinging through hole. A first swing through hole and a second swing through hole having centers on a uniform straight line are provided; the sterilizing bracket installed on the sterilizing support 432 has good swinging effect.

As shown in fig. 6 and 8; the sterilization swing mechanism 435 comprises a sterilization swing driving device 4351 and a first swing connecting piece 4352; a second swing link 4353 and a swing limit 4354; the sterilization swing driving means 4351 includes a sterilization swing motor 43511 and a swing synchronizing wheel 43513; the sterilization swing motor 43511 is connected with a sterilization driving wheel 43512, and a swing synchronous belt 43514 is sleeved between the sterilization driving wheel 43512 and the swing synchronous wheel 43513; a first swing link 4352; the second swing connector 4353 is fixed on the sterilization support 432; the first swinging piece 43691 passes through the first swinging through hole and the first swinging connecting piece 4352 to be connected with the swinging synchronizing wheel 43513; the second swing piece 43692 penetrates through the second swing through hole and is arranged on the second swing connecting piece 4353; the end of the second swing connector 4353 is connected to the swing limiter 4354; the second swing connecting piece 4353 is located between the swing limiting piece 4354 and the second swing through hole; the second swinging connecting element 4353 is provided with a swinging limiting block 43531 protruding toward the swinging limiting block 4354; the swing limiting block limits the swing limiting piece 4354; swing bearings 4355 are connected between the first swing connecting member 4352 and the first swing member 43691, and between the second swing connecting member 4353 and the second swing member 43692.

A second swing element 43692 arranged on the second swing link element through a first swing element 43691 arranged on the first swing connector 4352; the first swing connecting piece 4352 supports the first swing piece 43691, the second swing connecting piece 4353 supports the second swing piece 43692, and the first swing connecting piece 43691 is connected with the sterilization swing driving device 4351; the sterilization swing driving device 4351 drives the sterilization bracket to swing; the swinging limiting part 4354 is matched with the swinging limiting block; the limit of the sterilization bracket is realized; by means of the arrangement, the sterilization support is prevented from excessively swinging.

The detection device 3 comprises an air microorganism sensor 31, a first irradiance probe 32 and a human body sensor 33. The air microorganism sensor 31 is used for detecting the bacterial content in the air, and the first irradiance probe 32 is used for detecting the irradiance of the germicidal lamp; the human body sensor 33 is used to detect a human body. The specific structure of the air microbial sensor, the first irradiance probe and the body sensor is prior art and will not be described herein in detail.

By arranging the air microorganism sensor, the condition of microorganisms in the air can be detected, and data can be fed back to the intelligent gateway 2; the intelligent gateway 2 controls the lamp system 4 to sterilize according to the data, and the sterilization effect is good; the irradiance of the sterilization working surface can be detected by arranging the first irradiance probe; the intelligent gateway 2 can control the lamp system 4 to adjust the focal length according to different radiation illumination intensities for sterilization; thus ensuring that the sterilization effects of different sterilization working surfaces in the space are the same; the phenomenon that bacteria on the part of the sterilization working surface are not killed, so that viruses are infected is avoided; through setting up human sensor, when no one was discerned to human sensor, lamp system 4 began to disinfect again, avoids ultraviolet irradiation human, and is safe in utilization like this.

As shown in fig. 10; the lamp system 4 further comprises a lamp lifting device 44, a rail 45, a lamp horizontal moving device 46, a micro camera (not shown in the figure), a laser range finder (not shown in the figure) and a second irradiance probe (not shown in the figure); the lamp lifting device is connected with the track; the lamp lifting device, the miniature camera, the laser range finder and the second irradiance probe are connected with the lamp control component 41; the second irradiance probe is disposed on the focusing bracket 43643.

The moving direction of the lamp horizontal moving device 46 is vertical to the moving direction of the lamp lifting device 44; the lamp horizontal moving device 46 drives the lamp lifting device 44 to move horizontally, so as to drive the track 45 and the lamp holder 42 and the sterilization device 43 arranged on the track 45 to move. The lamp horizontal moving device 46 comprises a horizontal moving driving motor 461, a horizontal moving screw rod 462, a horizontal moving connecting piece 463, a horizontal moving guide rod 464, a horizontal fixed seat 465 and a horizontal support 466; the horizontal movement driving motor 461 is mounted on the horizontal support 466; two ends of the horizontal moving guide rod 464 are respectively connected with the horizontal fixing seat 465 and the horizontal support 466; the horizontal movement driving motor 461 is connected with a horizontal movement screw rod 462, and one end of the horizontal movement screw rod 462 far away from the horizontal movement driving motor 461 is arranged on a horizontal fixed seat 465; the horizontal moving connecting piece 463 is connected with the horizontal moving screw rod 462 and is arranged on the horizontal moving guide rod 464 in a penetrating way; the horizontal moving connecting piece 463 is connected with a lamp lifting device; the horizontal movement driving motor 461 drives the horizontal movement connecting piece 463 and the lamp lifting device to move along the guiding direction of the horizontal movement guiding rod 464; this enables the lamp system 4 to move horizontally.

The lamp lifting device 44 comprises a lamp lifting driving device 441, a lamp lifting guiding device 442 and a lifting moving member 443; in this embodiment, the lamp lifting driving device 441 is a driving motor; the lamp lifting guide device is used for guiding; the lamp lifting driving device 441 is connected with a lifting screw rod 444; the lifting moving member 443 is connected with the lifting screw rod 444 and penetrates through the lamp lifting guide device 442; the rail 45 is connected with a lifting moving element 443, and the lifting moving element 443 is connected with a lifting driving device; the lifting driving device is connected to drive the lifting moving member 443 to move along the guiding direction of the lamp lifting guiding device 442. This enables the lamp system 4 to move vertically.

As shown in fig. 3, 9; the lamp socket 42 includes a lamp socket movement driving mechanism 421, a sliding wheel, and a second heat dissipation fan 422; the second heat dissipation fan 422 is disposed to improve the heat dissipation effect of the lamp control assembly 41. The pulleys include a first pulley 42181, a second pulley 42182, a third pulley 42183, and a fourth pulley 42184; a first sliding wheel 42181, a second sliding wheel 42182 are provided at one side of the lamp socket 42, and a third sliding wheel 42183 and a fourth sliding wheel 42184 are provided at the other side of the lamp socket 42; the first, second, third and fourth pulleys are provided on the rail 45.

In the present embodiment, the outer surfaces of the first sliding wheel, the second sliding wheel, the third sliding wheel and the fourth sliding wheel are provided with convex teeth (not shown in the figure); racks (not shown in the figure) are arranged on the end faces of the tracks, which are attached to the first sliding wheel, the second sliding wheel, the third sliding wheel and the fourth sliding wheel; the convex teeth on the outer surfaces of the first sliding wheel, the second sliding wheel, the third sliding wheel and the fourth sliding wheel are meshed with the rack.

The lamp socket movement driving mechanism 421 includes; a lamp socket driving motor 4211, a lamp socket first driving pulley 4212, a lamp socket second driving pulley 4213, a lamp socket third driving pulley 4214, a lamp socket fourth driving pulley 4215 and a lamp socket driving shaft 4216; the lamp holder driving motor 4211 is provided with a lamp holder driving belt wheel 4217, and the lamp holder first driving belt wheel 4212 is connected with the first sliding wheel; the lamp holder second transmission belt wheel 4213 is connected with the second sliding wheel; the lamp holder third transmission belt wheel 4214 is connected with a third sliding wheel; the lamp socket fourth driving pulley 4215 is connected with the fourth sliding wheel.

A lamp holder transmission first synchronous belt 4219 is sleeved among the lamp holder first transmission belt pulley 4212, the lamp holder driving belt pulley 4217 and the lamp holder second transmission belt pulley 4213; a second synchronous lamp holder transmission belt 42192 is sleeved between the third lamp holder transmission belt pulley 4214 and the fourth lamp holder transmission belt pulley 4215; the lamp holder transmission shaft 4216 is connected with the lamp holder second transmission belt wheel 4213 and the lamp holder third transmission belt wheel 4214; the lamp holder second transmission belt wheel 4213 is driven to rotate by the lamp holder driving belt wheel 4217; thereby driving the first synchronous belt 4218 through the lamp holder to drive the first lamp holder driving belt wheel 4212 to rotate; the third transmission belt wheel 4214 is driven to rotate by the lamp holder transmission shaft 4216, and the third transmission belt wheel 4214 drives the lamp holder to transmit the second synchronous belt 42192 to rotate; the lamp holder drives the second synchronous belt 42192 to drive the lamp holder fourth driving belt wheel 4215 to rotate. By arranging the lamp lifting device, the lamp system 4 can be driven to lift through the lamp lifting device; when sterilization is needed, the lamp lifting device drives the whole lamp system 4 to move downwards, so that the space is saved; by arranging the rail, the lamp holder 42 is arranged on the rail in a sliding manner, so that the lamp holder is convenient to move, and meanwhile, the connection structure is simple; the irradiance of ultraviolet rays at the light outlet of the sterilizing device 43 can be detected by arranging the second irradiance probe; this allows the initial radiation intensity of the ultraviolet rays to be detected, so that the change in radiation intensity can be clarified. The environment is shot in multiple angles by arranging the miniature camera, and the distance relation can be measured by arranging the laser range finder; the space shape data is acquired by combining the two types of data, so that the intelligent gateway can control the sterilization process of the lamp system 4 according to the data.

As shown in fig. 1, 15; the protective equipment 6 comprises an intelligent door lock assembly 61 and an intelligent curtain assembly 62; in the present embodiment, the smart door lock assembly 61 is a smart door lock with a mechanical lock cylinder, and the smart door lock is a prior art, which will not be described herein in detail. The smart window shade assembly 62 includes a window shade control assembly (not shown), a window shade (not shown), and a window shade sliding device; in this embodiment, the curtain control component is a control chip with a communication function; the control chip with communication function is the prior art, and will not be described herein. A curtain (not shown) is arranged on the curtain sliding device; the curtain sliding device comprises a curtain sliding driving motor 621 and a curtain transmission rod 622; a first curtain sliding member 623, a second curtain sliding member 624, a curtain guide rod 625, a curtain fixing seat 626 and a curtain support 627.

The curtain slide driving motor 621 is installed on the curtain support 627; two ends of the curtain guide rod 625 are respectively connected with the curtain fixing seat 626 and the curtain support 627; the curtain sliding driving motor 621 is connected with the curtain transmission rod 622, and a curtain sliding limiting part is arranged on the curtain transmission rod 622; the curtain slide stop divides the curtain drive rod 622 into a curtain first drive rod and a curtain second drive rod; the second transmission rod of the curtain is provided with threads; the first curtain sliding piece 623 is arranged on the first curtain transmission rod, and the second curtain sliding piece 624 is arranged on the second curtain transmission rod; two ends of the curtain are respectively connected with the first curtain sliding piece 623 and the second curtain sliding piece 624; the curtain sliding driving motor 621 drives the curtain transmission rod 622 to rotate, and the curtain transmission rod 622 drives one end of the curtain to move away from and close to the curtain sliding limiting part; this achieves opening and closing of the curtain. The curtain is an ultraviolet transmission prevention curtain. By arranging the curtain control component, the curtain control component controls the curtain according to the signal of the intelligent gateway 2.

In this implementation; a first electromagnetic sheet is arranged on a window body provided with the intelligent curtain component; the curtain is provided with a second electromagnetic sheet; when the intelligent curtain component controls the curtain to be closed; the first electromagnetic sheet and the second electromagnetic sheet are electrified and adsorbed; after sterilization is finished; the first electromagnetic sheet and the second electromagnetic sheet are disconnected in a power-off mode, and then the intelligent curtain component controls the curtain to be opened.

By arranging the intelligent door lock assembly, when the intelligent door lock assembly is damaged, the door cannot be locked, or the intelligent door lock assembly is forcibly opened; the intelligent door lock component sends a control signal to the intelligent gateway; the intelligent gateway sends out a sterilization stopping instruction; turning off the germicidal lamp; by arranging the intelligent curtain component; the first electromagnetic sheet and the second electromagnetic sheet are electrified and adsorbed in the sterilization process; when the first electromagnetic sheet is separated from the second electromagnetic sheet; the intelligent curtain component sends a control signal to the intelligent gateway; the intelligent gateway can also send out a command of stopping sterilization; the germicidal lamp is turned off.

By arranging the detection device 3, the intelligent gateway 2 can control the lamp system 4 to sterilize according to the result of the detection device 3; sending out a prompt by setting a prompt system 5; thus, when sterilization is carried out, a person can know that sterilization is carried out; meanwhile, an intelligent door lock component 61 and an intelligent curtain component 62 are arranged; during sterilization, the intelligent door lock component 61 can lock the door tightly, the intelligent curtain component 62 closes the curtain, and the curtain shields ultraviolet light emitted by the ultraviolet LED lamp; the ultraviolet light avoided can irradiate outside the classroom; thus, the use is safe; the lamp system 4 receives a control signal sent by the intelligent gateway 2 through a lamp communication chip; the sterilizing device 43 and the lamp holder 42 are controlled by arranging a lamp control chip.

The sterilization rotating mechanism 434 is arranged to drive the sterilization support 432, the sterilization swinging mechanism 435 and the sterilization piece 436 to synchronously rotate; thus, the sterilization rotating mechanism 434 does not influence the sterilization swinging mechanism 435 to swing when rotating; meanwhile, a sterilization swing mechanism 435 is arranged to drive the sterilization part 436 to swing; thus, the sterilizing part 436 can be swung to a certain angle by the sterilizing swing mechanism 435; then the sterilization rotating mechanism 434 drives the sterilization part 436 to rotate; when the sterilization rotating mechanism 434 drives the sterilization part 436 to rotate, the sterilization swinging mechanism 435 simultaneously drives the sterilization part 436 to swing; therefore, the sterilizing lamp 4363 has a wide irradiation range and a wide sterilizing range.

By providing the focusing mechanism 4364, and the focusing mechanism 4364 is provided between the germicidal lamp 4363 and the germicidal opening 43621; ultraviolet rays emitted by the ultraviolet LED lamp need to pass through the focusing mechanism 4364 and then irradiate an object through the sterilizing opening 43621; the focal length between the ultraviolet LED lamp and the lens is changed by arranging a focusing mechanism 4364; therefore, the ultraviolet LED lamp can irradiate on an object with the maximum brightness, the focal length can be adjusted according to the distance between different objects and the sterilizing device 43, and the sterilizing effect is effectively improved.

As shown in fig. 16-19; the invention comprises the following steps:

1) starting a sterilization mode, detecting by a human body sensor, when no person is detected, controlling an intelligent curtain component to close a curtain and an intelligent door lock component to close a door lock by an intelligent gateway, judging whether the curtain and the door lock are completely closed, and sending a prompt by a prompt system when the curtain and the door lock are completely closed, and performing the step 2); repeating the step if the closure is not complete;

2) reading an indoor space three-dimensional model in the intelligent gateway by the lamp control chip; if the reading is successful, performing step 3); if the reading is unsuccessful, controlling the miniature camera and the laser range finder to obtain indoor space shape data, and establishing a three-dimensional model; storing the indoor space three-dimensional model in an intelligent gateway, and repeating the steps;

3) determining the radiation dose of the area to be sterilized, resetting the sterilizing device to the initial position by the lamp system, enabling the sterilizing device to descend to a preset distance, and reading the sterilizing data in the intelligent gateway by the lamp control chip; if the reading is successful, the step 4) is carried out; if the reading is unsuccessful, opening the primary light shield, then starting the ultraviolet LED lamp, starting the first sterilization heat dissipation device, aligning the ultraviolet LED lamp to a first irradiance probe on the area to be sterilized to calibrate sterilization data, storing the sterilization data in the intelligent gateway, and then performing step 4); the radiation dose is the amount of radiation energy received per unit area.

4) Determining the optimal focal position and storing the adjusted focal position and the current position value according to the sterilization data and the radiation intensity value of the ultraviolet LED lamp obtained by the ultraviolet LED lamp at the second irradiance probe after the focal length is adjusted, if the radiation intensity value meets the requirement of radiation dosage,

8) the intelligent gateway controls the intelligent curtain component to open the curtain and the intelligent door lock component to open the door lock, and the prompt system gives a prompt.

(3.2) according to I _e （x）=φ _e （x）* x ² + kx + t determining the radiation intensity I of the current location _e （x1）；

Through adjusting the focusing mechanism, the radiation intensity measured at two sides of the lamp is within a certain range of the radiation intensity of the central distance, so that the radiation intensity of the edge area is ensured to meet specific requirements, the current position is determined to be the optimal focal length position, the radiation intensity is adjusted through adjusting the focal length, and the best sterilization effect is achieved at certain power and distance.

Further, the sterilization operation in step 6) includes the following steps:

The sterilization method comprises the following steps 1); the intelligent door lock component closes the door lock; the intelligent curtain component drives the curtain to slide through the curtain sliding device to realize the closing of the curtain; and meanwhile, the first electromagnetic sheet and the second electromagnetic sheet are electrified and adsorbed.

In step 2); the method of establishing a three-dimensional model based on indoor space shape data acquired by a micro camera and a laser range finder is the prior art and will not be described herein.

In step 3); the lamp lifting driving device drives the lifting moving piece to move downwards, so that the rail, the lamp holder and the sterilizing device which are arranged on the rail are driven to move downwards; the primary light shield is driven by the primary pushing cylinder to be away from the germicidal lamp, and the primary light shield is opened.

Step 5); the method comprises the steps of obtaining the radiation dose of an ultraviolet LED lamp through a plurality of first radiation illumination probes, determining a radiation area on three-dimensional modeling, measuring the radiation diameter on the radiation area, and determining the radiation diameter by enabling a preset radiation diameter to correspond to an actual radiation area.

Step 7); the primary light shield is driven to be close to the germicidal lamp by the primary pushing cylinder, so that the primary light shield is closed; the sterilization device resets under the action of the sterilization swing mechanism and the sterilization rotating mechanism; the lamp lifting driving device drives the lifting moving piece to rise, so that the rail, the lamp holder and the sterilizing device which are arranged on the rail are driven to rise; presetting a designated temperature through an upper level; when the temperature of the sterilizing device is reduced to below the designated temperature, the first sterilizing and heat radiating device is closed; thus, heat can be sufficiently dissipated.

Step 8); the intelligent door lock component unlocks a door lock; the intelligent curtain component drives the curtain to slide towards the other direction through the curtain sliding device, so that the curtain is opened; and meanwhile, the first electromagnetic sheet and the second electromagnetic sheet are disconnected in a power-off mode.

In the step 6), the focal length is adjusted by driving the lens to be close to and far away from the germicidal lamp through the focusing lifting device to change the focal length.

Presetting reminding words according to different working conditions by the upper computer; in the steps of the sterilization method, the prompt system can send out prompts through the voice module and the display module.

Claims

1. An indoor sterilization method is characterized in that: the indoor sterilization system comprises an upper computer, an intelligent gateway, a detection device, a lamp system, a prompt system, a protective device and an electric main switch; the electric main switch is electrically connected with the upper computer, the intelligent gateway, the detection device, the lamp system, the prompt system and the protective equipment; the upper computer, the intelligent gateway, the detection device, the lamp system, the prompt system and the protection device are respectively connected with the wireless router; the intelligent gateway controls the detection device, the lamp system, the prompt system and the protective equipment according to an instruction sent by the upper computer; the protection equipment comprises an intelligent door lock assembly and an intelligent curtain assembly;

1) starting a sterilization mode, detecting by a human body sensor, controlling an intelligent curtain component to close a curtain and an intelligent door lock component to close a door lock by an intelligent gateway when nobody is detected, judging whether the curtain and the door lock are completely closed, and prompting a system to prompt and carry out step 2) if the curtain and the door lock are completely closed; repeating the step if the closure is not complete;

2) reading an indoor space three-dimensional model in the intelligent gateway by the lamp control chip; if the reading is successful, performing step 3); if the reading is unsuccessful, controlling the miniature camera and the laser range finder to acquire indoor space shape data, and establishing a three-dimensional model; storing the indoor space three-dimensional model in an intelligent gateway, and repeating the steps;

3) determining the radiation dose of the area to be sterilized, resetting the sterilizing device to the initial position by the lamp system, enabling the sterilizing device to descend to a preset distance, and reading sterilizing data in the intelligent gateway by the lamp control chip; if the reading is successful, the step 4) is carried out; if the reading is unsuccessful, opening the primary light shield, then starting the ultraviolet LED lamp, starting the first sterilization heat dissipation device, aligning the ultraviolet LED lamp to a first irradiance probe on the area to be sterilized to calibrate sterilization data, storing the sterilization data in the intelligent gateway, and then performing step 4);

4) determining the optimal focal length position and storing the adjusted focal length position and the current position value if the radiation intensity value meets the requirement of radiation dosage according to the sterilization data and the radiation intensity value of the ultraviolet LED lamp obtained by the ultraviolet LED lamp at the second irradiance probe after the focal length is adjusted;

2. The indoor sterilization method according to claim 1, wherein: the method for marking sterilization data in the step 3) comprises the following steps:

(3.1) presetting numerical values of an ultraviolet air propagation loss coefficient k and a constant t; measuring the ultraviolet irradiation distance x1 between the current position and the area to be sterilized by the laser range finder, and measuring the irradiance value phi of the current position by the first irradiance probe _e (x 1), then carrying out step (3.2);

(3.2) according to I _e （x）=φ _e （x）* x ² + kx + t determining the radiation intensity I at the current location _e （x1）；

3. The indoor sterilization method according to claim 2, wherein: the method for determining the optimal focal length position in the step 4) comprises the following steps:

4. An indoor sterilization method according to claim 3, characterized in that: the sterilization operation in step 6) comprises the following steps:

the sterilizing device moves transversely from the initial position, and after the sterilization in one transverse area is finished, the step (6.2) is carried out;

(6.2) driving the lamp holder to move to the next transverse area by the lamp holder moving driving mechanism, and then repeating the step (6.2); until sterilization of all the areas is completed.

5. The indoor sterilization method according to claim 1, wherein: step 4) also includes: if the radiation intensity value does not meet the requirement of the radiation dose, the distance between the ultraviolet LED lamp and the area to be sterilized or the power of the ultraviolet LED lamp is adjusted through the lamp lifting device until the ultraviolet LED lamp can meet the requirement of the radiation dose.