WO2022036750A1

WO2022036750A1 - Exposure intensity calibration method for ultraviolet disinfection cabinet

Info

Publication number: WO2022036750A1
Application number: PCT/CN2020/112325
Authority: WO
Inventors: 刘彤; 龙威鑫
Original assignee: 深圳市路美康尔医疗科技有限公司
Priority date: 2020-08-20
Filing date: 2020-08-29
Publication date: 2022-02-24
Also published as: CN111811786A

Abstract

An exposure intensity calibration method for an ultraviolet disinfection cabinet (7), relating to the field of exposure calibration systems of ultraviolet disinfection cabinets (7). The method comprises the steps of: obtaining an initial illumination intensity of a photoelectric detector (10); stretching an illuminance meter (13) into the ultraviolet disinfection cabinet (7) to measure to obtain a correction illumination intensity; and calculating a measurement error according to the initial illumination intensity and the correction illumination intensity, and then feeding back the measurement error to the ultraviolet disinfection cabinet (7), so as to calibrate a measurement value of the photoelectric detector (10). The method solves the problem that existing ultraviolet disinfection cabinets (7) cannot accurately measure the exposure intensity, and the ultraviolet intensity and dosage can be accurately monitored so as to ensure disinfection quality.

Description

A kind of exposure intensity calibration method of ultraviolet disinfection cabinet

technical field

The invention belongs to the field of exposure measurement systems for ultraviolet disinfection cabinets, in particular to a method, device, electronic equipment and storage medium for calibrating exposure intensity of an ultraviolet disinfection cabinet.

Background technique

In the current UV disinfection cabinets on the market, there are few exposure measurement systems; and these disinfection cabinets with exposure measurement systems hardly do calibration of measurement accuracy. Therefore, the equipment cannot accurately monitor the ultraviolet intensity and dose, and the disinfection quality cannot be guaranteed. In this context, it is very important to calibrate the photodetector of the disinfection cabinet.

The ultraviolet disinfection cabinet irradiates the surface of the object to be disinfected in the ultraviolet disinfection cavity by ultraviolet rays, and the degree of disinfection is proportional to the dose of light received by the surface to be disinfected. Using the exposure measurement system in the UV disinfection cabinet, the exposure intensity during the disinfection process can be obtained, so that the disinfection light dose can be obtained by calculation. Exposure measurement system consists of photoelectric sensor, signal transmitter, analog-to-digital converter, and processor. The reason why the exposure measurement system needs to be calibrated is mainly due to the inconsistency of the photoelectric sensor and the signal transmitter. Due to the inconsistency of the selected device performance according to the production process, storage and transportation and other process conditions of the device, its performance is inconsistent, and its measurement results need to be calibrated according to a fixed standard to ensure the accuracy and consistency of its measurement.

Therefore, how to effectively calibrate the exposure measurement system to accurately measure the exposure intensity is a technical problem that needs to be solved urgently at present.

technical problem

The current UV disinfection cabinet performs exposure measurement, which cannot accurately measure the exposure intensity, so the equipment cannot accurately monitor the UV intensity and dose, and cannot guarantee the quality of disinfection.

technical solutions

The invention provides a method for calibrating exposure intensity of an ultraviolet disinfection cabinet, which is characterized by comprising the steps of:

Obtain the initial light intensity of the photodetector of the UV disinfection cabinet;

Obtain the corrected light intensity of the illuminance meter; the illuminance meter is used to extend into the UV disinfection cabinet to detect the corrected light intensity;

The measurement error is calculated according to the initial light intensity and the corrected light intensity, which is used to calibrate the detection value of the photodetector.

Correspondingly, the present application provides an exposure intensity calibration system for an ultraviolet disinfection cabinet, which is characterized in that it includes an ultraviolet disinfection cabinet and a detection end;

The detection end is used to obtain the initial light intensity of the photodetector of the ultraviolet disinfection cabinet; and is used to obtain the corrected light intensity of the illuminometer;

The illuminometer is used to extend into the ultraviolet disinfection cabinet to detect the corrected light intensity;

The detection end calculates the measurement error according to the initial light intensity and the corrected light intensity, so as to be used for calibrating the detection value of the photodetector.

Correspondingly, the present application provides an exposure intensity calibration device for an ultraviolet disinfection cabinet, which is characterized in that it includes:

The initial light intensity acquisition module is used to obtain the initial light intensity of the photodetector of the ultraviolet disinfection cabinet;

Correcting the light intensity acquisition module, extending the illuminometer into the ultraviolet disinfection cabinet to detect the corrected light intensity;

The calibration module calculates the measurement error according to the initial light intensity and the corrected light intensity, so as to be used to calibrate the detection value of the photodetector.

Description of technical effect, the present invention provides a method for calibrating the exposure intensity of an ultraviolet disinfection cabinet. First, the initial light intensity of the photodetector is obtained, and the corrected light intensity is obtained by extending the illuminometer into the interior of the ultraviolet disinfection cabinet to detect the corrected light intensity. According to the initial light intensity and the corrected light The measurement error is calculated from the intensity, and the measurement error is fed back to the ultraviolet disinfection cabinet for calibrating the detection value of the photodetector; it solves the problem that the existing ultraviolet disinfection cabinet cannot accurately measure the exposure intensity, so it can be realized Accurately monitor the UV intensity and dosage to ensure the quality of disinfection.

It should be noted that this application also provides an exposure intensity calibration system for an ultraviolet disinfection cabinet. The detection system includes a disinfection cabinet and a detection end, and the detection end is used to obtain the initial light intensity of the photodetector of the ultraviolet disinfection cabinet; and is used for The corrected light intensity of the illuminance meter is obtained; the detection end calculates the measurement error of the two light intensities through the initial light intensity and the corrected light intensity, and is used to correct the subsequent light intensity detection value.

It should also be noted that this application also uses an exposure intensity calibration device for an ultraviolet disinfection cabinet, including an initial illumination intensity acquisition module, a corrected illumination intensity acquisition module, and a calibration module, which are respectively used to obtain the photodetector of the ultraviolet disinfection cabinet. The initial light intensity, the corrected light intensity obtained from the detection of the ultraviolet disinfection cabinet, and the measurement error are calculated according to the initial light intensity and the corrected light intensity, so as to be used for calibrating the detection value of the photodetector.

The improved step of calculating the measurement error according to the initial light intensity and the corrected light intensity for calibrating the detection value of the photodetector includes:

Call the first preset formula, the first preset formula is Y=A·X+B; Y is the corrected light intensity, X is the initial light intensity, A is the correction coefficient, and B is the offset;

Calculate the correction coefficient and offset according to the initial light intensity and the corrected light intensity corresponding to at least two groups of light intensities; substitute the correction coefficient and the offset into the first preset formula to be used for the detection value of the photodetector Calibration is performed.

Correspondingly, the calibration module includes:

a first preset formula calling unit, used to call the first preset formula as Y=A·X+B; Y is the corrected light intensity, X is the initial light intensity, A is the correction coefficient, and B is the offset;

The correction coefficient and offset calculation unit is used to calculate the correction coefficient and the offset according to the initial light intensity and the corrected light intensity corresponding to at least two sets of light intensities;

The first detection value calibration unit is used for substituting the correction coefficient and the offset into the first preset formula, so as to calibrate the detection value of the photodetector.

Technical effect description, in this solution, the measurement error is calculated according to the initial light intensity and the corrected light intensity, so as to be used for calibrating the detection value of the photodetector. The step includes calling the first preset formula, according to at least two. The initial illumination intensity and the corrected illumination intensity of the group are used to calculate the correction coefficient and offset, and the coefficient of the first preset formula is obtained through the two sets of data, and the detection value of the photodetector is calibrated.

It should be noted that the calibration module in the calibration device of this solution includes a first preset formula calling unit, a correction coefficient and offset calculation unit, and a first detection value calibration unit, and the initial illumination obtained by at least two sets of illumination intensities corresponds to Intensity and corrected light intensity, calculate the correction coefficient and offset to obtain the correction coefficient and offset of the first preset formula downward from the first preset formula calling unit; then substitute the correction coefficient and offset into the first preset formula. A preset formula is used to calibrate the detection value of the photodetector.

Calling the second preset formula, the second preset formula is Y=X+M; Y is the corrected light intensity, X is the initial light intensity, and M is the error value;

The error value is calculated according to the initial illumination intensity and the corrected illumination intensity corresponding to a set of illumination intensities; the error value is substituted into the second preset formula for calibrating the detection value of the photodetector.

Improved, when the measurement bracket is placed in the UV disinfection cabinet, the measurement bracket is used to stabilize the illuminance meter.

Correspondingly, the calibration module includes:

The second preset formula calling unit is used to call the second preset formula as Y=X+M; Y is the corrected light intensity, X is the initial light intensity, and M is the error value;

The error value calculation unit is used to calculate the error value according to the initial light intensity and the corrected light intensity obtained corresponding to a set of light intensities;

The second detection value calibration unit is configured to substitute the error value into the second preset formula, so as to calibrate the detection value of the photodetector.

Technical effect description, in this solution, the measurement error is calculated according to the initial light intensity and the corrected light intensity, so as to be used for calibrating the detection value of the photodetector. The intensity corresponds to the obtained initial illumination intensity and corrected illumination intensity, and an error value is calculated; the error value is substituted into the second preset formula to calibrate the detection value of the photodetector.

It should be noted that the calibration module in the calibration device of this solution includes a second preset formula calling unit, an error value calculation unit and a second detection value calibration unit, which are respectively used to call the second preset formula and correspond to a set of light intensities. The obtained initial illumination intensity and corrected illumination intensity are used to calculate the error value and to substitute the error value into the second preset formula, so as to calibrate the detection value of the photodetector.

The present invention also provides an electronic device, comprising a memory and a processor, wherein the memory stores a computer program, and the computer program is executed in the processor to implement any one of the above methods. The electronic device may be a mobile terminal or a web terminal.

The present invention also provides a storage medium storing a computer program, and the computer program can implement any of the above methods when executed in a processor.

The invention belongs to the field of exposure measurement systems for ultraviolet disinfection cabinets, and provides a method for calibrating exposure intensity of an ultraviolet disinfection cabinet. First, the initial light intensity of a photodetector is obtained, and an illuminance meter is inserted into the ultraviolet disinfection cabinet to detect the corrected light intensity. , calculate the measurement error according to the initial light intensity and the corrected light intensity, and then feed back the measurement error to the ultraviolet disinfection cabinet for calibrating the detection value of the photodetector; it solves the problem that the existing ultraviolet disinfection cabinet cannot be accurately Therefore, it can accurately monitor the UV intensity and dose to ensure the quality of disinfection.

beneficial effect

Description of drawings

Fig. 1 is the flow chart of the exposure intensity calibration system method of the ultraviolet disinfection cabinet provided by one embodiment;

2 is a flow chart of steps for calibrating the detection value of a photodetector provided by an embodiment;

3 is a flowchart of steps for calibrating the detection value of a photodetector provided by an embodiment;

4 is a schematic flowchart of an exposure intensity calibration system of an ultraviolet disinfection cabinet provided in an embodiment;

5 is a schematic diagram of an exposure intensity calibration device of an ultraviolet disinfection cabinet provided by an embodiment;

6 is a schematic diagram corresponding to the calibration module in FIG. 5 provided by an embodiment;

FIG. 7 is a schematic diagram corresponding to the calibration module in FIG. 5 provided by an embodiment;

8 is a schematic structural diagram of a sterilization cabinet provided by an embodiment;

9 is a schematic structural diagram of an illuminance meter provided by an embodiment;

FIG. 10 is a schematic diagram of a sterilization cabinet and a detection end according to an embodiment.

BEST MODE FOR CARRYING OUT THE INVENTION

Example 1

Referring to FIG. 1, the present embodiment provides a method for calibrating exposure intensity of an ultraviolet disinfection cabinet, which is characterized in that it includes the steps:

S1 obtains the initial light intensity of the photodetector of the ultraviolet disinfection cabinet;

S2 obtains the corrected light intensity of the illuminance meter; the illuminance meter is used to extend into the UV disinfection cabinet to detect the corrected light intensity;

S3 calculates the measurement error according to the initial light intensity and the corrected light intensity, so as to be used for calibrating the detection value of the photodetector.

Embodiments of the present invention

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the invention.

In addition, in the description of the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, or Integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two components, and it can be a wireless connection or a wired connection. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

In addition, the technical features involved in the different embodiments of the present invention described later can be combined with each other as long as there is no conflict with each other.

Below, the present invention provides some preferred embodiments to teach those skilled in the art to realize them.

Example 1

Embodiment 2

4 and 10 , correspondingly, the present application provides an exposure intensity calibration system for an ultraviolet disinfection cabinet, characterized in that it includes an ultraviolet disinfection cabinet and a detection end;

The S10 detection end is used to obtain the initial light intensity of the photodetector of the ultraviolet disinfection cabinet; and is used to obtain the corrected light intensity of the illuminometer;

The S11 illuminometer is used to extend into the UV disinfection cabinet to detect the corrected light intensity;

The S12 detection end calculates the measurement error according to the initial light intensity and the corrected light intensity, so as to be used for calibrating the detection value of the photodetector.

Embodiment 3

5 , correspondingly, the present application provides an exposure intensity calibration device for an ultraviolet disinfection cabinet, characterized in that it includes:

The initial light intensity obtaining module 4 is used to obtain the initial light intensity of the photodetector of the ultraviolet disinfection cabinet;

Corrected light intensity acquisition module 5, extending the illuminance meter into the ultraviolet disinfection cabinet to detect and obtain the corrected light intensity;

The calibration module 6 calculates the measurement error according to the initial illumination intensity and the corrected illumination intensity, so as to be used to calibrate the detection value of the photodetector.

Embodiment 4

Referring to FIG. 2, the improved step of calculating the measurement error according to the initial light intensity and the corrected light intensity for calibrating the detection value of the photodetector includes:

S4 calls the first preset formula, and the first preset formula is Y=A·X+B; Y is the corrected light intensity, X is the initial light intensity, A is the correction coefficient, and B is the offset;

S5 calculates the correction coefficient and the offset according to the initial light intensity and the corrected light intensity corresponding to at least two groups of light intensities;

S6 substitutes the correction coefficient and the offset into the first preset formula, so as to calibrate the detection value of the photodetector.

Embodiment 5

Referring to Figure 6, correspondingly, the calibration module includes:

The first preset formula calling unit 61 is used to call the first preset formula as Y=A·X+B; Y is the corrected light intensity, X is the initial light intensity, A is the correction coefficient, and B is the offset;

The correction coefficient and offset calculation unit 62 is used to calculate the correction coefficient and the offset according to the initial light intensity and the corrected light intensity corresponding to at least two groups of light intensities;

The first detection value calibration unit 63 is configured to substitute the correction coefficient and the offset into the first preset formula, so as to calibrate the detection value of the photodetector.

Embodiment 6

Referring to FIG. 3 , the improved step of calculating the measurement error according to the initial illumination intensity and the corrected illumination intensity for calibrating the detection value of the photodetector includes:

S7 calls the second preset formula, and the second preset formula is Y=X+M; Y is the corrected light intensity, X is the initial light intensity, and M is the error value;

S8 calculates the error value according to the initial light intensity and the corrected light intensity corresponding to a set of light intensities;

S9 substitutes the error value into the second preset formula for calibrating the detection value of the photodetector.

Embodiment 7

Referring to Figure 7, the improved, when the measuring bracket is placed in the ultraviolet disinfection cabinet, the measuring bracket is used to stabilize the illuminance meter.

Correspondingly, the calibration module includes:

The second preset formula calling unit 64 is used to call the second preset formula as Y=X+M; Y is the corrected illumination intensity, X is the initial illumination intensity, and M is the error value;

The error value calculation unit 65 is used to calculate the error value according to the initial illumination intensity and the corrected illumination intensity corresponding to a group of illumination intensities;

The second detection value calibration unit 66 is configured to substitute the error value into the second preset formula, so as to calibrate the detection value of the photodetector.

Technical effect description, in this scheme, the measurement error is calculated according to the initial light intensity and the corrected light intensity, so as to be used for calibrating the detection value of the photodetector. The intensity corresponds to the obtained initial illumination intensity and corrected illumination intensity, and an error value is calculated; the error value is substituted into the second preset formula to calibrate the detection value of the photodetector.

It should be noted that the calibration module in the calibration device of this solution includes a second preset formula calling unit, an error value calculation unit, and a second detection value calibration unit, which are respectively used to call the second preset formula and correspond to a set of light intensities. The obtained initial illumination intensity and corrected illumination intensity are used to calculate the error value and to substitute the error value into the second preset formula, so as to calibrate the detection value of the photodetector.

Embodiment 8

Referring to FIGS. 8 and 9 , the measurement bracket 9 is arranged at a fixed position inside the disinfection cabinet 7 to ensure that the position and angle of the illuminance measuring instrument in the disinfection chamber cabinet 7 remain unchanged. Sterilization cabinet 7, fixed bracket 9, photoelectric sensor 10, bottom of fixed bracket 11, illuminance measuring instrument fixture 12, illuminance measuring instrument 13, positioning card beads 14.

Embodiment 9

The data connection method between the illuminance measuring instrument and the disinfection cabinet is wireless connection, and the wireless connection method is Bluetooth connection or WiFi connection.

Example 10

The data connection method between the illuminance measuring instrument and the disinfection cabinet is wired connection, and the wired connection method is data line connection or wired network connection.

Example 11

The measurement data of the illuminance meter can be manually input into the sterilizer through a graphical user interface or file editing.

Example 12

The measuring bracket and the illuminance meter can be integrated.

Industrial Applicability

The invention belongs to the field of exposure measurement systems for ultraviolet disinfection cabinets, and provides a method for calibrating exposure intensity of ultraviolet disinfection cabinets. First, the initial light intensity of a photodetector is obtained, and the corrected light intensity is obtained by extending an illuminometer into the interior of the ultraviolet disinfection cabinet for detection. , calculate the measurement error according to the initial light intensity and the corrected light intensity, and then feed back the measurement error to the ultraviolet disinfection cabinet for calibrating the detection value of the photodetector; it solves the problem that the existing ultraviolet disinfection cabinet cannot be accurately Therefore, it can accurately monitor the UV intensity and dose to ensure the quality of disinfection.

Sequence Listing Free Content

Claims

A method for calibrating exposure intensity of an ultraviolet disinfection cabinet, comprising the steps of:

Obtain the initial light intensity of the photodetector of the ultraviolet disinfection cabinet;

Obtain the corrected light intensity of the illuminance meter; the illuminance meter is used to extend into the ultraviolet disinfection cabinet to detect and obtain the corrected light intensity;

A measurement error is calculated according to the initial illumination intensity and the corrected illumination intensity, so as to be used for calibrating the detection value of the photodetector.
The method according to claim 1, wherein the step of calculating a measurement error according to the initial illumination intensity and the corrected illumination intensity for calibrating the detection value of the photodetector comprises the following steps: :

Calling the first preset formula, the first preset formula is Y=A·X+B; the Y is the corrected light intensity, the X is the initial light intensity, the A is the correction coefficient, The B is the offset;

Calculate the correction coefficient and the offset according to the initial light intensity and the corrected light intensity corresponding to at least two sets of light intensities;

Substituting the correction coefficient and the offset into the first preset formula for calibrating the detection value of the photodetector.
The method according to claim 1, wherein the step of calculating a measurement error according to the initial illumination intensity and the corrected illumination intensity for calibrating the detection value of the photodetector comprises the following steps: :

Calling a second preset formula, the second preset formula is Y=X+M; the Y is the corrected illumination intensity, the X is the initial illumination intensity, and the M is an error value;

Calculate the error value according to the initial illumination intensity and the corrected illumination intensity obtained corresponding to a set of illumination intensities;

The error value is substituted into the second preset formula for calibrating the detection value of the photodetector.
The method according to claim 1, wherein when a measurement bracket is placed in the ultraviolet disinfection cabinet, the measurement bracket is used to stabilize the illuminance meter.
An exposure intensity calibration system for an ultraviolet disinfection cabinet, characterized in that it comprises an ultraviolet disinfection cabinet and a detection end;

The detection end is used to obtain the initial light intensity of the photodetector of the ultraviolet disinfection cabinet; and is used to obtain the corrected light intensity of the illuminometer;

The illuminance meter is used to extend into the ultraviolet disinfection cabinet to detect and obtain the corrected light intensity;

The detection end calculates a measurement error according to the initial illumination intensity and the corrected illumination intensity, so as to calibrate the detection value of the photodetector.
A device for calibrating exposure intensity of an ultraviolet disinfection cabinet, comprising:

an initial light intensity acquisition module for acquiring the initial light intensity of the photodetector of the ultraviolet disinfection cabinet;

Correcting light intensity acquisition module, extending the illuminance meter into the ultraviolet disinfection cabinet to detect the corrected light intensity;

The calibration module calculates a measurement error according to the initial illumination intensity and the corrected illumination intensity, so as to calibrate the detection value of the photodetector.
The device of claim 6, wherein the calibration module comprises:

A first preset formula calling unit, used to call the first preset formula as Y=A·X+B; the Y is the corrected light intensity, the X is the initial light intensity, the A is the correction coefficient, and the B is the offset;

a correction coefficient and offset calculation unit, configured to calculate the correction coefficient and the offset according to the initial light intensity and the corrected light intensity obtained corresponding to at least two sets of light intensities;

A first detection value calibration unit, configured to substitute the correction coefficient and the offset into the first preset formula, so as to calibrate the detection value of the photodetector.
The device of claim 6, wherein the calibration module comprises:

The second preset formula calling unit is used to call the second preset formula as Y=X+M; the Y is the corrected light intensity, the X is the initial light intensity, and the M is the error value;

an error value calculation unit, configured to calculate the error value according to the initial illumination intensity and the corrected illumination intensity obtained corresponding to a set of illumination intensities;

The second detection value calibration unit is configured to substitute the error value into the second preset formula, so as to calibrate the detection value of the photodetector.
The method of claim 1, wherein the data connection between the illuminance meter and the ultraviolet disinfection cabinet is wireless or wired connection.
The method of claim 9, wherein the wireless connection mode is a Bluetooth connection or a WiFi connection.