Method and apparatus for quantifying output of ultraviolet disinfectant dose

Abstract

The application provides a method and device for quantifying the output of ultraviolet disinfection dose, comprising: acquiring the current distance between the disinfection module of the disinfection device and the surface of the object to be disinfected; determining the first ultraviolet radiation intensity of the disinfection module on the surface of the object based on the current distance and the preset initial ultraviolet radiation intensity through an irradiation attenuation model; during the operation of the disinfection module, calculating the cumulative irradiation dose applied to the surface of the object based on the first ultraviolet radiation intensity and the corresponding operation time; and controlling the output of label information representing the cumulative irradiation dose. The application solves the key problems that the traditional handheld ultraviolet disinfection equipment cannot quantify and record the disinfection effect, and the user only relies on the operation time, resulting in the inability to accurately trace the disinfection effect by measuring the distance between the object surface and the disinfection module and timing the operation, calculating the cumulative irradiation dose applied to the object surface, and finally printing the label.

Description

Technical Field

[0001] This invention relates to the field of ultraviolet sterilization technology, specifically to a method and apparatus for quantifying ultraviolet disinfection dosage. Background Technology

[0002] In healthcare facilities, reliable disinfection of object surfaces (such as medical devices, instrument tables, and bedside tables) is a crucial step in preventing hospital-acquired infections. Ultraviolet (UVC) disinfection, as a physical method with no chemical residue, is being widely applied in such settings.

[0003] Currently, the effectiveness of handheld UVC disinfection devices used in hospitals heavily relies on the user's personal experience. During disinfection, the distance between the device and the object surface directly determines the irradiation intensity, while the irradiation time determines the total irradiation dose. However, existing devices generally lack real-time monitoring and quantitative feedback of these two key parameters. Medical staff can only rely on the device's timing or their own estimation to operate the device, making it impossible to ensure that the actual irradiation dose at different distances meets the scientific standards required to kill pathogens.

[0004] This leads to two prominent problems: first, the disinfection effect is inconsistent, and there is a risk of disinfection failure due to insufficient dosage; second, the whole process lacks objective records, making it impossible to form traceable disinfection quality control evidence, which makes it difficult to meet the increasingly strict infection control management and auditing requirements of hospitals. Summary of the Invention

[0005] The present invention provides a method and apparatus for quantifying and outputting ultraviolet disinfection dose. This application solves the key problem that traditional handheld ultraviolet disinfection devices cannot quantify and record the disinfection effect, and users can only rely on working time, resulting in the inability to accurately trace the disinfection effect. This is achieved by measuring the distance between the object surface and the disinfection module and timing the operation. Finally, a label is printed.

[0006] In a first aspect, the present invention provides a method for quantifying ultraviolet disinfection dosage, applied to a handheld object surface disinfection device, the method comprising: Obtain the current distance between the disinfection module of the disinfection device and the surface of the object to be disinfected; Based on the current distance and the preset initial ultraviolet radiation intensity, the first ultraviolet radiation intensity of the disinfection module on the object surface is determined by the irradiation attenuation model; During the operation of the disinfection module, the cumulative irradiation dose applied to the surface of the object is calculated based on the first ultraviolet radiation intensity and the corresponding working time. The control output represents the tag information that characterizes the cumulative irradiation dose.

[0007] In some embodiments of this application, determining the first ultraviolet radiation intensity of the disinfection module on the object surface based on the current distance and a preset initial ultraviolet radiation intensity using an irradiation attenuation model includes: The intensity of the second ultraviolet radiation emitted from the disinfection module is obtained, and the intensity of the second ultraviolet radiation is used as the initial ultraviolet radiation intensity. Based on the second ultraviolet radiation intensity and the current distance, the first ultraviolet radiation intensity on the surface of the object is determined by an irradiation attenuation model.

[0008] In some embodiments of this application, after determining the first ultraviolet radiation intensity of the disinfection module on the object surface based on the current distance and a preset initial ultraviolet radiation intensity using an irradiation attenuation model, the method further includes: Based on the pre-stored target irradiation dose required for effective disinfection and the intensity of the first ultraviolet radiation, the recommended operating time required for the disinfection module to reach the target irradiation dose at the current distance is calculated; or, Based on the pre-stored target irradiation dose required for effective disinfection and the current distance, the recommended working time required for the disinfection module to reach the target irradiation dose at the current distance is calculated.

[0009] Secondly, this application discloses a handheld object surface disinfection device, which is applied to the quantification output method described in any one of the above-mentioned methods, and the device includes: The disinfection body includes a grip, a disinfection module at one end, and a shielding cover surrounding the disinfection module. The detection module includes a laser ranging unit and a timing unit. The laser ranging unit is disposed on the disinfection body and is used to measure the distance from the disinfection module to the surface of the object to be disinfected. The timing unit is used to measure the working time of the disinfection module. Label printing module; The controller is communicatively connected to the laser ranging unit, the timing unit, the disinfection module, and the label printing module.

[0010] In some embodiments of this application, the disinfection module includes a UVC fixed lamp holder and a plurality of UVC LED beads arranged on one side of the UVC fixed lamp holder, and the disinfection module is disposed at the end of the grip portion through the UVC fixed lamp holder.

[0011] In some embodiments of this application, the shielding cover surrounds the disinfection module and forms an irradiation opening, and the inner wall of the shielding cover is provided with a reflective layer.

[0012] In some embodiments of this application, a liquid crystal display screen is also included. The timing unit and the liquid crystal display screen are both integrated on the grip portion, and the liquid crystal display screen is communicatively connected to the timing unit for displaying the working time of the disinfection module recorded by the timing unit in real time.

[0013] In some embodiments of this application, the top surface of the fixed base is provided with a receiving groove that matches the shape of the second end of the grip, for placing and fixing the disinfection body when not in operation.

[0014] In some embodiments of this application, a charging contact is provided in the receiving groove, a power receiving contact is provided at the corresponding position of the second end of the gripping part, and a rechargeable battery is built into the disinfection body so that when the disinfection body is inserted into the fixed base, the disinfection device is charged through the contact between the charging contact and the power receiving contact.

[0015] In some embodiments of this application, the label printing module is integrated into the fixed base; The label printing module is connected to a first wireless communication unit, and the controller is connected to a second wireless communication unit, which is used for the label printing module to establish a wireless data connection with the controller of the disinfection body to receive the label information to be printed.

[0016] In some embodiments of this application, at least one indicator light is provided on the outer periphery of the UVC fixed lamp holder; the outer shell of the disinfection body partially forms a light-transmitting part, which is configured to allow the light from the indicator light to pass through to the outside but prevent ultraviolet rays from passing through to the outside.

[0017] The beneficial effects of the embodiments of the present invention are as follows: In an embodiment of the present invention, the current distance between the disinfection module and the surface of the object to be disinfected is sensed in real time by ranging. The first ultraviolet radiation intensity of the object surface is calculated based on the current distance and the preset initial ultraviolet radiation intensity. Then, the cumulative irradiation dose applied to the object surface is calculated based on the first ultraviolet radiation intensity and the working time. Physical recording is achieved through label printing. This solves the key problem that traditional handheld ultraviolet disinfection devices cannot quantify and record the disinfection effect, and users rely only on the working time, resulting in the inability to accurately trace the disinfection effect. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic flowchart of a method for quantifying ultraviolet disinfection dosage according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the second process of a method for quantifying ultraviolet disinfection dosage provided by an embodiment of the present invention; Figure 3 This is a schematic diagram of the third process of an ultraviolet disinfection dose quantification output method provided by an embodiment of the present invention; Figure 4 This is a schematic diagram of the fourth process of an ultraviolet disinfection dose quantification output method provided by an embodiment of the present invention; Figure 5 This is a schematic diagram of the overall structure of a handheld object surface disinfection device provided in an embodiment of the present invention; Figure 6 This is provided by an embodiment of the present invention. Figure 5 An enlarged schematic diagram of part A in the middle; Figure 7 This is a schematic diagram of a handheld object surface disinfection device in working state according to an embodiment of the present invention; Figure 8 This is a schematic diagram of a handheld object surface disinfection device in a non-working state, provided by an embodiment of the present invention; Figure 9 This is a block diagram illustrating an electronic device 1300 according to an exemplary embodiment.

[0020] Explanation of reference numerals in the attached figures: 1. Disinfection main body; 11. Handle; 12. Disinfection module; 121. UVC fixed lamp holder; 122. UVC LED lamp beads; 13. Shielding cover; 131. Reflective layer; 12. Detection module; 21. Laser ranging unit; 3. Label printing module; 4. Display screen; 5. Fixed base; 51. Receiving groove. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Furthermore, it should be understood that the specific embodiments described herein are only for illustration and explanation of the present invention and are not intended to limit the present invention. In the present invention, unless otherwise stated, directional terms such as "upper" and "lower" generally refer to the upper and lower positions of the device in actual use or operation, specifically the drawing directions in the accompanying drawings; while "inner" and "outer" refer to the outline of the device.

[0022] In medical laboratories, biosafety workbenches, and emergency departments, rapid and verifiable surface disinfection of small, critical items (such as smartphones, smartwatches, walkie-talkies, barcode scanners, test tube racks, and small reagent kits) is a crucial step in preventing the spread of pathogens through frequently touched objects. Currently, healthcare workers commonly use handheld ultraviolet (UVC) lamps for this type of disinfection.

[0023] However, existing handheld UVC disinfection methods have significant drawbacks: Dosage blindness: The core parameter of disinfection effectiveness—the actual UV radiation dose received by the surface—is determined by the lamp source intensity, irradiation distance, and time. Existing equipment generally lacks distance sensing capabilities, leading operators to rely on experience, resulting in significant dose variations at different distances. In an attempt to be "safe," irradiation time is often blindly extended, which is inefficient and still fails to guarantee the correct dose.

[0024] The effectiveness is unverifiable: the disinfection process lacks objective and quantifiable records. Whether disinfection was performed or the dosage was sufficient cannot be verified without any documentation other than manual records, making it difficult to meet the audit requirements for disinfection of critical items in laboratory quality control or infection control tracing.

[0025] Inconsistent operation: Ordinary handheld lights have a large illumination range and blurry boundaries, making it difficult to focus on small objects and potentially causing unnecessary illumination of surrounding non-target areas.

[0026] Therefore, there is an urgent need for a dedicated disinfection solution for small object surfaces that can be precisely controlled, quantitatively output, and leave physical evidence, in order to make up for the shortcomings of existing technologies such as low efficiency, uncertain effectiveness, and untraceable process.

[0027] Firstly, Figure 1 This diagram illustrates a flowchart of a method for quantifying ultraviolet disinfection dosage according to an embodiment of the present invention. Figure 1 The flowchart shown illustrates that the control method of this embodiment may include the following specific steps: S10: Obtain the current distance between the disinfection module 12 of the disinfection device and the surface of the object to be disinfected.

[0028] Specifically, the user turns on the handheld device via a function button. The controller initializes all modules. The user aligns the device's irradiation opening 131 with the surface to be disinfected, and the controller drives the laser ranging unit 21 to obtain the current distance D.

[0029] S20: Based on the current distance and the preset initial ultraviolet radiation intensity, determine the first ultraviolet radiation intensity of the disinfection module 12 on the object surface through the irradiation attenuation model.

[0030] Specifically, during the calculation of the first ultraviolet radiation intensity, the controller executes a preset algorithm: 1. The device pre-stores the initial ultraviolet radiation intensity I0 of the disinfection module 12 (UVC irradiance measured at a standard distance, in mW / cm²), and the irradiance attenuation model I1 = I0 / (D²) based on the inverse square law. Based on the above irradiance attenuation model and the current distance, the first ultraviolet radiation intensity of the disinfection module 12 on the object surface is obtained.

[0031] S30: During the operation of the disinfection module 12, the cumulative irradiation dose applied to the surface of the object is calculated based on the first ultraviolet radiation intensity and the corresponding working time.

[0032] Specifically, the cumulative irradiation dose applied to the object's surface is obtained by multiplying the first ultraviolet radiation intensity by the corresponding working time.

[0033] S40: Control output of tag information representing the cumulative irradiation dose.

[0034] It is understandable that the label printing module is included, but is not limited to, the label output module.

[0035] Specifically, after receiving the cumulative irradiation dose data, the label printing module 3 drives the print head to print the label information (including the final cumulative dose, disinfection date and time, distance D, etc.) on the self-adhesive label in the form of text, barcode, or QR code. Users can then peel off the label and affix it to the disinfected area or their logbook to complete the quantitative recording and traceability of the disinfection effect.

[0036] The implementation effect of this application is: to obtain the current distance between the disinfection module of the disinfection device and the surface of the object to be disinfected; Based on the current distance and the preset initial ultraviolet radiation intensity, the first ultraviolet radiation intensity of the disinfection module on the object surface is determined by the irradiation attenuation model; During the operation of the disinfection module, the cumulative irradiation dose applied to the surface of the object is calculated based on the first ultraviolet radiation intensity and the corresponding working time. The control output represents the tag information characterizing the cumulative irradiation dose. This embodiment uses distance measurement to sense the current distance between the disinfection module and the surface of the object to be disinfected in real time. Based on the current distance and the preset initial ultraviolet radiation intensity, it calculates the first ultraviolet radiation intensity on the object surface. Then, based on the first ultraviolet radiation intensity and the working time, it calculates the cumulative irradiation dose applied to the object surface and achieves physical recording through label printing. This solves the key problem that traditional handheld ultraviolet disinfection devices cannot quantify and record the disinfection effect, and users rely only on the working time, resulting in the inability to accurately trace the disinfection effect.

[0037] In some embodiments of this application, Figure 2 This diagram illustrates a second flowchart of a method for quantifying ultraviolet disinfection dosage according to an embodiment of the present invention. Figure 2 As shown, based on the current distance and a preset initial ultraviolet radiation intensity, the first ultraviolet radiation intensity of the disinfection module on the object surface is determined using an irradiation attenuation model, and may further include the following steps: S21. Obtain the intensity of the second ultraviolet radiation emitted from 12 points of the disinfection module; S22. Based on the second ultraviolet radiation intensity and the current distance, determine the first ultraviolet radiation intensity on the object surface using the irradiation attenuation model.

[0038] It is understandable that the intensity of the second ultraviolet radiation emitted from the disinfection module 12 will decrease (age) over time compared to the preset initial ultraviolet radiation intensity.

[0039] To compensate for the aging of the LED beads in the disinfection module 11, an ultraviolet intensity sensor is added to the disinfection module 12. The distance of the second ultraviolet radiation emitted by the disinfection module 12 is monitored in real time and the calculation results are dynamically calibrated to correct the initial ultraviolet radiation intensity. This makes the final cumulative irradiation dose highly accurate and further enhances the credibility and traceability of the disinfection effect recorded by the label information output by the label printing module 3.

[0040] In some embodiments of this application, Figure 3 This diagram illustrates a third process flow of an ultraviolet disinfection dose quantification output method provided by an embodiment of the present invention. Figure 4 This diagram illustrates a fourth process flow of an ultraviolet disinfection dose quantification output method provided by an embodiment of the present invention, in conjunction with... Figure 3 and Figure 4 As shown, after determining the first ultraviolet radiation intensity of the disinfection module on the object surface based on the current distance and the preset initial ultraviolet radiation intensity using an irradiation attenuation model, the following steps may also be included: S201. Based on the pre-stored target irradiation dose required for effective disinfection and the first ultraviolet radiation intensity, calculate the recommended operating time required for the disinfection module 12 to reach the target irradiation dose at the current distance; or, S202. Based on the pre-stored target irradiation dose required for effective disinfection and the current distance, calculate the recommended working time required for the disinfection module 12 to reach the target irradiation dose at the current distance.

[0041] Since the target irradiation doses for different disinfection scenarios are different, the recommended working time is also different. For example, for medical disinfection scenarios and consumer-grade scenarios, or bacterial detection scenarios, the target irradiation doses for different scenarios (different levels) can be preset. The current distance between different objects and the disinfection module 12 (the first ultraviolet radiation intensity of objects at different heights) is also different, so the recommended working time is also different.

[0042] Specifically, the controller has pre-stored target radiation doses (in mJ / cm²) for different usage scenarios. Based on the formula Recommended Working Time = Target Radiation Dose / First Ultraviolet Radiation Intensity, the recommended working time required to achieve effective disinfection is calculated. This recommended working time can be displayed on the LCD screen 4, providing clear operating guidance for the user.

[0043] Then, disinfection and real-time monitoring are initiated. The user presses the disinfection start button. The controller drives the UVC LED beads 122 to light up and simultaneously starts the timing unit. During the disinfection process, the LCD screen 4 displays the recommended working time and the actual working time, a countdown, or the real-time cumulative dose. When the actual working time exceeds the recommended working time, the controller drives the UVC LED beads 122 to turn off, and the indicator light shows that disinfection is successful.

[0044] It is understandable that by calculating the recommended working time based on the pre-stored target irradiation dose required for effective disinfection and the measured current distance, the intelligent control of this application is upgraded from post-event calculation to pre-event guidance and in-event monitoring. It not only provides users with a clear operational target (recommended working time) based on scientific calculation before disinfection begins, eliminating the uncertainty of experience-based judgment, but also provides intuitive progress feedback (such as the time already worked) during the disinfection process, transforming the entire operation from "blind operation" to a "visualized, predictable, and controlled process." Therefore, this technical approach greatly improves the reliability of the final disinfection effect in different disinfection scenarios.

[0045] Secondly, this application also provides a handheld object surface disinfection device that can automatically calculate and output an accurate ultraviolet radiation dose based on the distance from the object surface, ensuring the verifiability and traceability of the disinfection effect.

[0046] Combination Figures 5 to 6 As shown, Figure 5 This diagram illustrates an overall structure of a handheld object surface disinfection device according to an embodiment of the present invention. Figure 6 The embodiments of the present invention are shown. Figure 5 The enlarged schematic diagram of part A shows that the handheld object surface disinfection device in this embodiment mainly includes: The disinfection body 1 includes a grip 11, a disinfection module 12 located at one end, and a shield 13 surrounding the disinfection module 12.

[0047] Specifically, the grip 11 is an ergonomically designed long handle structure, and the main circuitry and battery are housed inside the grip 11. The surface of the grip 11 is provided with anti-slip texture. Furthermore, a liquid crystal display screen 4 and several function buttons can be integrated on the outer shell near the upper end of the grip 11.

[0048] Specifically, the disinfection module 12 is fixedly connected to the top of the grip part 11.

[0049] The detection module 22 includes a laser ranging unit 21 and a timing unit. The laser ranging unit 21 is set on the disinfection body 1 and is used to measure the distance from the disinfection module 12 to the surface of the object to be disinfected. The timing unit is used to measure the working time of the disinfection module 12.

[0050] Specifically, the detection module 22 is integrated inside the disinfection body 10, including: The specific laser ranging unit 21 is set next to the disinfection module 12, and is used to emit laser light to the surface to be disinfected and receive reflected light to accurately measure the current distance from the disinfection module 12 to the surface of the object.

[0051] Specifically, the timing unit is usually a clock circuit within the controller, used to accurately measure the cumulative working time of the UVC LED beads 122.

[0052] It is understood that the laser ranging unit 21 is set on the side or in the center gap of the UVC fixed lamp plate 121, and its ranging direction is parallel to the center irradiation direction of the disinfection module 12, which is used to accurately measure the real-time distance from the disinfection module 12 to the surface of the object to be disinfected.

[0053] Label printing module 3.

[0054] Specifically, the label printing module 3 can be set on the grip part 11 or it can be set separately from the grip part 11. The specific label content in the label printing module 3 can include, but is not limited to, item name / number, disinfection date, irradiation distance, cumulative irradiation dose, target dose, and operation status (whether the standard is met), thereby reflecting the "traceability" of the disinfection operation.

[0055] The controller is communicatively connected to the laser ranging unit 21, the timing unit, the disinfection module 12, and the label printing module 3, respectively. The controller has a preset initial ultraviolet radiation intensity and irradiance attenuation model stored in it, and is configured to execute any of the above-mentioned quantization output methods.

[0056] Specifically, the controller (such as an MCU) is the core of the entire device. It communicates with the laser ranging unit 21, the timing unit, the disinfection module 12 (UVC LED beads 122), the label printing module 3, and the power supply module via circuits, and is configured to acquire the current distance between the disinfection module of the disinfection device and the surface of the object to be disinfected; based on the current distance and the preset initial ultraviolet radiation intensity, it determines the first ultraviolet radiation intensity of the disinfection module on the object surface through an irradiation attenuation model; during the operation of the disinfection module, it calculates the cumulative irradiation dose applied to the object surface based on the first ultraviolet radiation intensity and the corresponding working time; and controls the output of label information representing the cumulative irradiation dose.

[0057] Furthermore, the controller can also be connected to the LCD screen 4, indicator lights, wireless communication unit, and function buttons.

[0058] Combination Figure 7 As shown, Figure 7 The diagram shows a handheld object surface disinfection device in operation according to an embodiment of the present invention.

[0059] Workflow: After the user aims the disinfection equipment at the object to be disinfected on the operating platform, the operation is started. The shielding cover 13 prevents ultraviolet light leakage that may occur during the sterilization process. The controller first drives the laser ranging unit 21 to obtain the precise distance between the device and the object surface, and calculates the first ultraviolet radiation intensity on the object surface based on the preset initial ultraviolet radiation intensity parameters and the irradiation attenuation model. After the user starts disinfection, the controller monitors the working time in real time and calculates the cumulative irradiation dose on the object surface. After disinfection is completed, the label printing module 3 is immediately driven to print out a physical label containing key data (such as final dose, distance, and timestamp), completing a closed-loop operation from sensing to recording.

[0060] Achieved Results: This device, by incorporating a laser ranging unit 21 into the disinfection module 12 of the handheld disinfection unit, calculates the cumulative ultraviolet radiation intensity of the disinfection module 12 on the object surface and the cumulative irradiation dose applied to the object surface based on the measured distance. This enables precise and controllable dosage and objective traceability of the effects of handheld disinfection. It fundamentally solves the problem of dosage uncertainty caused by distance in traditional methods and provides tamper-proof quantitative evidence through automatically generated labels, meeting the standardized operation and traceability requirements of high-demand scenarios such as medical and laboratory settings.

[0061] In some embodiments of this application, combined with Figures 5 to 6 As shown, the disinfection module 12 includes a UVC fixed lamp holder 121 and a plurality of UVC LED beads 122 arranged on one side of the UVC fixed lamp holder 121. The disinfection module 12 is disposed at the end of the grip part 11 through the UVC fixed lamp holder 121.

[0062] Specifically, the wavelength of the UVC LED lamp bead 122 can be 275 nanometers.

[0063] The disinfection module 12 uses a circular UVC lamp mounting plate, and multiple UVC LED beads 122 (e.g., with a wavelength of 275nm) are arranged in an array on the front of the UVC lamp mounting plate. This allows the UVC lamp mounting plate to not only fix the LED beads, but also serve as a heat dissipation substrate.

[0064] In some embodiments of this application, the shield 13 surrounds the disinfection module 12 and forms an irradiation opening, and the inner wall of the shield 13 is provided with a reflective layer 131.

[0065] Specifically, the shield 13 is a bowl-shaped or cylindrical structure that extends outward from the top of the grip 11 and completely surrounds the disinfection module 12. Its front end forms an irradiation opening to concentrate ultraviolet light onto the target surface. Understandably, the shield 13 needs to be made of an opaque material to effectively protect the operator's eyes and skin.

[0066] A highly reflective aluminum film reflective layer 131 is deposited on the inner wall of the shield 13 to reflect lateral ultraviolet rays back to the irradiated area, improving light energy utilization while preventing lateral ultraviolet leakage. The body of the shield 13 is made of UVC-free engineering plastic (such as ABS with added UV absorbers) to ensure safe use.

[0067] It is understandable that the disinfection module 12 improves light energy utilization by setting the inner wall of the shield 13 as a reflective layer 131.

[0068] In some embodiments of this application, the disinfection device also includes a liquid crystal display screen 4. The timing unit and the liquid crystal display screen 4 are both integrated on the grip part 11, and the liquid crystal display screen 4 is communicatively connected to the timing unit to display the working time of the disinfection module 12 recorded by the timing unit in real time.

[0069] Furthermore, the LCD screen 4 can also display the target working time of the disinfection module 12, and even a countdown timer and warning lights or alarms.

[0070] In some embodiments of this application, combined with Figure 8 As shown, Figure 8 The diagram shows a handheld object surface disinfection device provided by an embodiment of the present invention in a non-working state. The disinfection device may also include a fixed base 5. The top surface of the fixed base 5 is provided with a receiving groove 51 that matches the shape of the second end of the grip portion 11, for placing and fixing the disinfection body 1 in a non-working state.

[0071] Specifically, the fixed base 5 is used to securely place the disinfection body 1, thereby storing the disinfection body 1.

[0072] By separating the fixed base 5 and the disinfection body 1 in the disinfection device, the disinfection body 1 can be placed and fixed when not in operation, thereby reducing the possibility of bacterial contamination of the surface of the disinfection device by the surrounding environment during the disinfection interval.

[0073] In some embodiments of this application, a charging contact is provided in the receiving groove 51, and a receiving contact is provided at the corresponding position of the second end of the gripping part 11. The disinfection body 1 has a built-in rechargeable battery so that when the disinfection body 1 is inserted into the fixed base 5, the disinfection device is charged through the contact between the charging contact and the receiving contact.

[0074] Specifically, the charging contacts are located at the bottom of the receiving groove 51. When the disinfection body 1 is inserted, it contacts the power-receiving contacts at its bottom to charge the built-in rechargeable battery.

[0075] In this embodiment, when the disinfection body 1 is inserted into the receiving groove 51 for storage, the rechargeable battery inside the disinfection body 1 is automatically charged, which solves the problem of insufficient power of the disinfection body 1 caused by the staff forgetting to charge it after the power is used up, and saves the work process of charging the disinfection body 1.

[0076] In some embodiments of this application, the label printing module 3 is integrated into the fixed base 5; The label printing module 3 is connected to a first wireless communication unit, and the controller is connected to a second wireless communication unit, which is used to establish a wireless data connection between the label printing module 3 and the controller of the disinfection body 1 to receive the label information to be printed.

[0077] Specifically, the label printing module 3 is integrated inside the fixed base 5, and the thermal printer head is located at the paper output port on the side or bottom of the fixed base 5.

[0078] Specifically, the wireless communication unit inside the fixed base 5 is paired with the wireless communication unit of the disinfection body 1 and is used to receive printed data.

[0079] Through the embodiments of this application, the fixed base 5 can not only be used to store the disinfection body 1, but also integrates charging and label printing functions to avoid the problem of the grip part 11 being too heavy during use, thereby making the operation process of the operator more convenient.

[0080] In some embodiments of this application, at least one indicator light is provided on the outer periphery of the UVC fixed lamp holder 121; the outer shell of the disinfection body 1 partially forms a light-transmitting part, which is configured to allow the light from the indicator light to pass through to the outside but not to allow ultraviolet light to pass through to the outside.

[0081] Specifically, this disinfection device also includes indicator lights (such as dual-color LEDs) located on the edge of the UVC fixed lamp holder 121, and an independent light-transmitting window is provided on the housing of the handle 11 corresponding to the position of the indicator light. The light-transmitting window is made of a material that blocks UVC but transmits visible light, ensuring that the status light of the indicator light (such as green for disinfection in progress and blue for disinfection completion) can be safely transmitted without any ultraviolet leakage.

[0082] Furthermore, the controller can be configured to allow the disinfection module 12 to be activated only when the laser ranging unit 21 measures an effective distance (e.g., within the range of 3cm-30cm), and to immediately stop working when the distance is abnormal, thereby enhancing safety.

[0083] See Figure 9 As shown, Figure 9 This is a block diagram illustrating an electronic device 1300 according to an exemplary embodiment. For example... Figure 9 As shown, the electronic device 1300 can be the aforementioned handheld object surface disinfection device, including: a processor 1301 and a memory 1302. The electronic device 1300 may also include one or more of a multimedia component 1303, an input / output (I / O) interface 1304, and a communication component 1305.

[0084] The processor 1301 controls the overall operation of the electronic device 1300 to complete all or part of the steps in the device control method described above. The memory 1302 stores various types of data to support the operation of the electronic device 1300. This data may include, for example, instructions for any application or method operating on the electronic device 1300, and application-related data such as contact data, sent and received messages, pictures, audio, video, etc. The memory 1302 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as Static Random Access Memory (SRAM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Erasable Programmable Read-Only Memory (EPROM), Programmable Read-Only Memory (PROM), Read-Only Memory (ROM), magnetic storage, flash memory, magnetic disk, or optical disk. Multimedia component 1303 may include a screen and an audio component. The screen may be, for example, a touchscreen, and the audio component is used to output and / or input audio signals. For example, the audio component may include a microphone for receiving external audio signals. The received audio signals may be further stored in memory 1302 or transmitted via communication component 1305. The audio component also includes at least one speaker for outputting audio signals. I / O interface 1304 provides an interface between processor 1301 and other interface modules, such as a keyboard, mouse, buttons, etc. These buttons may be virtual or physical buttons. Communication component 1305 is used for wired or wireless communication between the electronic device 1300 and other devices. Wireless communication, such as Wi-Fi, Bluetooth, Near Field Communication (NFC), 2G, 3G, 4G, NB-IoT, eMTC, or other 5G technologies, or combinations thereof, is not limited here. Therefore, the corresponding communication component 1305 may include: a Wi-Fi module, a Bluetooth module, an NFC module, etc.

[0085] In an exemplary embodiment, the electronic device 1300 may be implemented by one or more application-specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field-programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components to perform the device control method described above.

[0086] In another exemplary embodiment, a computer-readable storage medium including program instructions is also provided, which, when executed by a processor, implement the steps of the device control method described above. For example, the computer-readable storage medium may be the memory 1302 including program instructions, which may be executed by the processor 1301 of the electronic device 1300 to complete the device control method described above.

[0087] The embodiments of the present invention have been described in detail above. Specific examples are used in this document to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of the present invention. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of the present invention. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A method for quantifying ultraviolet disinfection dosage, applied to a handheld object surface disinfection device, characterized in that, The method includes: Obtain the current distance between the disinfection module of the disinfection device and the surface of the object to be disinfected; Based on the current distance and the preset initial ultraviolet radiation intensity, the first ultraviolet radiation intensity of the disinfection module on the object surface is determined by the irradiation attenuation model; During the operation of the disinfection module, the cumulative irradiation dose applied to the surface of the object is calculated based on the first ultraviolet radiation intensity and the corresponding working time. The control output represents the tag information that characterizes the cumulative irradiation dose.

2. The quantization output method according to claim 1, characterized in that, The step of determining the first ultraviolet radiation intensity of the disinfection module on the object surface based on the current distance and a preset initial ultraviolet radiation intensity using an irradiation attenuation model includes: The intensity of the second ultraviolet radiation emitted from the disinfection module is obtained, and the intensity of the second ultraviolet radiation is used as the initial ultraviolet radiation intensity. Based on the second ultraviolet radiation intensity and the current distance, the first ultraviolet radiation intensity on the surface of the object is determined by an irradiation attenuation model.

3. The quantization output method according to claim 1, characterized in that, After determining the first ultraviolet radiation intensity of the disinfection module on the object surface based on the current distance and a preset initial ultraviolet radiation intensity using an irradiation attenuation model, the method further includes: Based on the pre-stored target irradiation dose required for effective disinfection and the intensity of the first ultraviolet radiation, the recommended operating time required for the disinfection module to reach the target irradiation dose at the current distance is calculated; or, Based on the pre-stored target irradiation dose required for effective disinfection and the current distance, the recommended working time required for the disinfection module to reach the target irradiation dose at the current distance is calculated.

4. A handheld object surface disinfection device, wherein the device is applied to the quantitative output method according to any one of claims 1 to 3, characterized in that, include: The disinfection body (1) includes a grip (11), a disinfection module (12) located at one end, and a shield (13) surrounding the disinfection module (12). The detection module (2) includes a laser ranging unit (21) and a timing unit. The laser ranging unit (21) is disposed on the disinfection body (1) and is used to measure the distance from the disinfection module (12) to the surface of the object to be disinfected. The timing unit is used to measure the working time of the disinfection module (12). Label printing module (3); The controller is communicatively connected to the laser ranging unit (21), the timing unit, the disinfection module (12), and the label printing module (3), respectively.

5. The disinfection device according to claim 4, characterized in that, The disinfection module (12) includes a UVC fixed lamp holder (121) and a plurality of UVC LED beads (122) arranged on one side of the UVC fixed lamp holder (121). The disinfection module (12) is disposed at the end of the grip part (11) through the UVC fixed lamp holder (121).

6. The disinfection device according to claim 4, characterized in that, The shield (13) surrounds the disinfection module (12) and forms an irradiation opening, and the inner wall of the shield (13) is provided with a reflective layer (131).

7. The disinfection device according to claim 4, characterized in that, It also includes an LCD screen (4), the timing unit and the LCD screen (4) are both integrated on the grip (11), and the LCD screen (4) is communicatively connected to the timing unit to display the working time of the disinfection module (12) recorded by the timing unit in real time.

8. The disinfection device according to claim 4, characterized in that, It also includes a fixed base (5), the top surface of which is provided with a receiving groove (51) that matches the shape of the second end of the grip (11), for placing and fixing the disinfection body (1) when not in operation.

9. The disinfection device according to claim 8, characterized in that, A charging contact is provided in the receiving groove (51), and a power receiving contact is provided at the corresponding position of the second end of the grip (11). The disinfection body (1) has a built-in rechargeable battery so that when the disinfection body (1) is inserted into the fixed base (5), the disinfection device is charged through the contact between the charging contact and the power receiving contact.

10. The disinfection device according to claim 9, characterized in that, The label printing module (3) is integrated into the fixed base (6); The label printing module (3) is connected to a first wireless communication unit, and the controller is connected to a second wireless communication unit for establishing a wireless data connection between the label printing module (3) and the controller (3) of the disinfection body (1) to receive the label information to be printed.

11. The disinfection device according to claim 4 or 5, characterized in that, At least one indicator light is provided on the outer periphery of the UVC fixed lamp holder (121); the outer shell of the disinfection body (1) partially forms a light-transmitting part, which is configured to allow the light from the indicator light to pass through to the outside and prevent the ultraviolet light from passing through to the outside.

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