CN115993343A - Detection method, near-infrared spectrum monitoring device and storage medium - Google Patents

Abstract

The invention discloses a detection method, a near infrared spectrum type monitoring device and a storage medium, wherein the method comprises the following steps: determining the current actual light intensity when the near infrared spectrum monitoring device irradiates the object to be detected; acquiring reference spectrum data corresponding to actual light intensity; acquiring corresponding actual spectrum data when the object to be measured is irradiated based on actual light intensity; comparing the actual spectrum data with the reference spectrum data; and determining the component information of the object to be detected according to the comparison result. When the near infrared spectrum type monitoring device is used for detecting the composition of the to-be-detected object, the current actual light intensity when the near infrared spectrum type monitoring device emits light to irradiate the to-be-detected object is firstly determined, the reference spectrum data corresponding to the actual light intensity is used as a reference standard, so that the reference standard when the composition of the to-be-detected object is detected is accurate, the actual spectrum data corresponding to the actual light intensity when the to-be-detected object is irradiated is obtained based on the comparison, and the component information of the to-be-detected object is accurately obtained.

Description

Detection method, near-infrared spectrum monitoring device and storage medium

technical field

The invention relates to the technical field of detection, in particular to a detection method, a near-infrared spectrum monitoring device and a storage medium.

Background technique

The near-infrared spectroscopy analysis method is to use the characteristics of various material components to produce differential absorption of light of specific frequencies, combined with chemometric methods to achieve quantitative and qualitative analysis of material components. When using a near-infrared spectroscopy monitoring device to collect spectra, the corresponding spectral data determined based on the initial light intensity of the near-infrared spectroscopy monitoring device is often used as reference data, and compared with the actual spectral data obtained by the actual light intensity to determine the substance However, after a long period of use, the light source of the spectrometer will attenuate, the light intensity will drop, and even the spectrum corresponding to the irradiated light will be missing. If the corresponding spectral data is determined based on the initial light intensity of the near-infrared spectral monitoring device As a reference data, it will lead to inaccurate analysis of the material composition.

The above content is only used to assist in understanding the technical solution of the present invention, and does not mean that the above content is admitted as prior art.

Contents of the invention

The main purpose of the present invention is to provide a detection method, a near-infrared spectroscopy monitoring device and a storage medium, aiming at solving the problem of using the corresponding spectral data determined based on the initial light intensity of the near-infrared spectroscopy monitoring device as reference data, which may cause serious problems with substances The problem of inaccurate analysis of components.

In order to achieve the above object, the present invention provides a detection method, which is applied to a near-infrared spectrum monitoring device, and the detection method includes:

Determine the current actual light intensity when the near-infrared spectral monitoring device irradiates the item to be tested;

Acquiring reference spectral data corresponding to the actual light intensity;

Acquiring corresponding actual spectral data when the item to be tested is irradiated based on the actual light intensity;

comparing the actual spectral data with the reference spectral data;

Determine the component information of the item to be tested according to the comparison result.

Optionally, before the step of obtaining the reference spectral data corresponding to the actual light intensity, it also includes:

According to the preset output current, the near-infrared spectrum monitoring device is controlled to irradiate the target area, and the target area is made of a whiteboard made of a total reflection material;

Obtaining reference spectral data corresponding to when the near-infrared spectral monitoring device irradiates the target area based on the output current;

Correlating the output current, the light intensity corresponding to the output current, and the reference spectral data.

Optionally, Teflon is used as the total reflection material.

Optionally, the output currents are different, and the associated reference spectral data are different.

Optionally, before the step of obtaining the reference spectral data corresponding to the actual light intensity, it also includes:

Determine the monitoring device identification of the near-infrared spectroscopy monitoring device;

generating request information for reference spectral data of the near-infrared spectroscopy monitoring device according to the monitoring device identification;

sending the request information to a server, where the request information includes a monitoring device identifier;

A mapping relationship between the light intensity fed back based on the request information and the reference spectral data is acquired.

Optionally, the detection method also includes:

When the near-infrared spectrum monitoring device is detected to irradiate the object to be tested, the step of determining the monitoring device identification of the near-infrared spectrum monitoring device is executed.

Optionally, the step of obtaining corresponding actual spectral data when the item under test is irradiated based on the actual light intensity includes:

Acquiring corresponding detection spectrum data and ambient temperature when the item to be tested is irradiated based on the actual light intensity;

Compensating the detected spectral data according to the ambient temperature to determine the actual spectral data.

Compensating the detected spectral data according to the ambient temperature, and determining the actual spectral data includes:

Obtaining the spectral data compensation value corresponding to the ambient temperature based on the temperature compensation table;

The detected spectral data is compensated according to the spectral data compensation value to determine the actual spectral data.

In addition, in order to achieve the above object, the present invention also provides a near-infrared spectrum monitoring device, the near-infrared spectrum monitoring device includes: a memory, a processor, and a A detection program, when the detection program is executed by the processor, each step of the detection method as described above is realized.

In addition, to achieve the above object, the present invention also provides a storage medium, on which a detection program is stored, and when the detection program is executed by the processor, each step of the detection method as described above is realized.

The detection method, the near-infrared spectrum monitoring device and the storage medium proposed by the present invention can first determine that the near-infrared spectrum monitoring device emits light and irradiates the components to be tested by using the near-infrared spectrum monitoring device to detect the composition of the item to be tested each time. The current actual light intensity of the item, the reference spectral data corresponding to the acquired actual light intensity is used as a reference standard, so that the reference standard is accurate each time the near-infrared spectral monitoring device is used to detect the composition of the item to be tested, and then Obtain the corresponding actual spectral data when the item to be tested is irradiated based on the actual light intensity, and compare the actual spectral data with the reference spectral data to accurately obtain the component information of the item to be tested according to the comparison result.

Description of drawings

Fig. 1 is the structural representation of the near-infrared spectroscopy monitoring device involved in each embodiment of the detection method of the present invention;

Fig. 2 is a schematic flow chart of an embodiment of the detection method of the present invention;

FIG. 3 is a schematic structural diagram of the probe module.

The realization of the purpose of the present invention, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

The present invention provides a detection method, which is applied to a near-infrared spectrum monitoring device, and the detection method comprises:

Determine the current actual light intensity when the near-infrared spectral monitoring device irradiates the item to be tested;

Acquiring reference spectral data corresponding to the actual light intensity;

Acquiring corresponding actual spectral data when the item to be tested is irradiated based on the actual light intensity;

comparing the actual spectral data with the reference spectral data;

Determine the component information of the item to be tested according to the comparison result.

The detection method of the present invention can determine the current actual light intensity when the near-infrared spectrum monitoring device emits light and irradiates the object to be tested by using the near-infrared spectrum monitoring device to detect the composition of the item to be tested each time, and the actual light intensity obtained will be obtained. The reference spectral data corresponding to the light intensity is used as a reference standard, so that the reference standard is accurate each time the near-infrared spectral monitoring device is used to detect the composition of the item to be tested, and then the corresponding data when the item to be tested is irradiated based on the actual light intensity is obtained. The actual spectral data, by comparing the actual spectral data with the reference spectral data, can accurately obtain the component information of the item to be tested according to the comparison result.

In the following description, use of suffixes such as 'module', 'part' or 'unit' for denoting elements is only for facilitating description of the present invention, and has no specific meaning by itself. Therefore, 'module', 'part' or 'unit' may be mixedly used.

Near-infrared spectroscopy monitoring devices can be implemented in various forms. For example, the near-infrared spectrum monitoring device described in the present invention may include mobile phones, tablet computers, notebook computers, palmtop computers, personal digital assistants (Personal Digital Assistant, PDA), portable media players (Portable Media Player, PMP) , navigation devices, wearable devices, smart bracelets, pedometers and other mobile terminals.

It will be understood by those skilled in the art that the configuration according to the embodiments of the present invention can also be applied to a stationary type of mobile terminal, in addition to being specifically used for a mobile purpose element.

Please refer to FIG. 1 , which is a schematic structural diagram of a near-infrared spectroscopy monitoring device involved in various embodiments of the detection method of the present invention.

As shown in FIG. 1 , the near-infrared spectroscopy monitoring device may include: a memory 101 and a processor 102 . Those skilled in the art can understand that the structural block diagram of the terminal shown in FIG. 1 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown in the figure, or combine certain components, or arrange different components. Wherein, an operating system and a detection program are stored in the memory 101 . The processor 102 is the control center of the near-infrared spectroscopy monitoring device, and the processor 102 executes the detection program stored in the memory 101 to realize the steps of each embodiment of the detection method of the present invention.

Optionally, the near-infrared spectrum monitoring device can also include a display unit 103, and the display unit 103 includes a display panel, which can be in the form of a liquid crystal display (Liquid Crystal Display, LCD), an organic light-emitting diode (Organic Light-Emitting Diode, OLED) etc. To configure the display panel, which is used to output and display the interface browsed by the user.

Optionally, the near-infrared spectroscopy monitoring device further includes a communication unit 104, which establishes data communication with the server through a network protocol (the data communication can be IP communication or Bluetooth channel), so as to realize data transmission with the server.

Based on the structural block diagram of the above-mentioned near-infrared spectroscopy monitoring device, various embodiments of the detection method of the present invention are proposed.

In an embodiment, the present invention provides a detection method, please refer to FIG. 2 , which is a schematic flowchart of an embodiment of the detection method of the present invention. In this embodiment, the detection method comprises the following steps:

Step S10, determining the current actual light intensity of the near-infrared spectroscopy monitoring device;

Step S20, acquiring reference spectral data corresponding to the actual light intensity;

Step S30, acquiring corresponding actual spectral data when the item to be tested is irradiated based on the actual light intensity;

Step S40, comparing the actual spectral data with the reference spectral data;

Step S50, determining the component information of the item to be tested according to the comparison result.

It should be noted that the probe module of the near-infrared spectroscopy monitoring device is mainly responsible for collecting the reflected light information of the object to be tested. Please refer to Figure 3. Figure 3 is a schematic structural diagram of the probe module. The probe module includes a probe bracket E, a glass cover F, Light source G, light sensor H, driving circuit I, optical fiber end J, optical fiber K, electric wire L and light reflection hole M. When the probe module is working, the driving circuit drives the light source to illuminate the fermented product to be measured, and the reflected light enters the end of the optical fiber from the reflective hole, so that the reflected light is transmitted to the control module through the optical fiber.

In the actual application process, by directly contacting the near-infrared spectroscopy monitoring device with the object to be tested, the probe module works by driving the light source to emit light by the driving circuit, irradiating the object to be tested, and the reflected light enters the end of the optical fiber from the optical hole to pass the reflected light through The optical fiber is transmitted to the control module, and the spectral data of the object to be tested can be obtained.

Optionally, the control module is provided with a near-infrared sensor, and the reflected light is transmitted to the near-infrared sensor of the control module through an optical fiber to convert the reflected light into spectral data.

Optionally, the light source refers to an LED lamp with a preset spectral range.

Based on the fact that different substances have different absorption capabilities for different bands of near-infrared light energy, when a light source with a known spectrum is used to irradiate the measured object, by comparing the spectral data of the reflected light with the reference spectral data corresponding to the irradiated light, it can be obtained from the reflected light Analyze and calculate the components of the item to be tested and the corresponding content of the components in the spectral data, and determine the material composition parameters of the item to be tested according to the components and the corresponding content of the components.

Exemplarily, the item to be tested is fermented product, fermented product such as grain and so on. When the fermented product in the cellar is in different stages of fermentation, the probe module of the near-infrared spectroscopy monitoring device can be used to drive the light source to emit light, and the fermented product to be tested is irradiated through the light-transmitting part, and the reflected light enters the optical fiber end from the light hole head to transmit the reflected light to the control module through the optical fiber to obtain the spectral data of the corresponding fermented product in the cellar, and then analyze and calculate the total acid, water content, sugar content and starch content of the fermented product based on the spectral data of the fermented product at least one of the

It should be noted that when the near-infrared spectroscopy monitoring device is used to detect the composition of the item to be tested, the corresponding spectral data determined based on the initial light intensity of the near-infrared spectroscopy monitoring device is often used as reference data, which is different from the actual light intensity obtained. The actual spectral data is compared to determine the composition of the substance. However, after a long period of use, the light source of the spectrometer will attenuate, the light intensity will decrease, and even the spectrum corresponding to the irradiated light will be missing. If the monitoring device based on near-infrared spectroscopy The spectral data corresponding to the initial light intensity determined as reference data will lead to inaccurate analysis of the composition of the material. The detection operation is performed by the type monitoring device, so that the near-infrared spectrum type monitoring device is based on the reference spectral data corresponding to the current actual light intensity as a reference, so as to ensure the accuracy of the measurement.

In the actual application process, when the near-infrared spectroscopy monitoring device is used for long-term detection of the substance to be tested, and the near-infrared spectroscopy monitoring device cannot be taken out at any time, the near-infrared spectroscopy monitoring device cannot be detected, resulting in the Inaccurate detection of the composition of the substance. Exemplarily, if the near-infrared spectroscopy monitoring device is placed inside the liquor solid-state fermentation tank to detect the fermentation status of the fermented product in the cellar for a long time, once the near-infrared spectroscopy monitoring device is installed inside the liquor solid-state fermentation tank, the The scene where the near-infrared spectroscopy monitoring device can only be taken out after several months of fermentation. In order to ensure the accuracy of the measurement by the near-infrared spectroscopy monitoring device, the component information of the item to be tested can be determined based on the following steps:

Determine the current actual light intensity of the near-infrared spectroscopy monitoring device;

Acquiring reference spectral data corresponding to the actual light intensity;

Acquiring corresponding actual spectral data when the item to be tested is irradiated based on the actual light intensity;

comparing the actual spectral data with the reference spectral data;

Determine the component information of the item to be tested according to the comparison result.

The reference spectral data is the complete spectrum without any absorption phenomenon when the near-infrared spectral monitoring device irradiates the object to be tested. The actual spectral data refers to the spectral data corresponding to the reflected light spectrum obtained when the infrared spectrometer irradiates the object to be tested. The near-infrared spectrum monitoring device is used to detect the composition of the item to be tested, and the spectral data (that is, the actual spectral data) corresponding to the reflected light spectrum obtained when the near-infrared spectral monitoring device is irradiated to the item to be tested is determined based on the reference spectral data. of.

To determine the current actual light intensity when the near-infrared spectral monitoring device irradiates the object to be tested, the driving current when the near-infrared spectral monitoring device emits light and irradiates the object to be tested can be obtained, and the current actual light intensity can be determined according to the driving current, or it can be based on The optical sensor installed in the probe module detects the irradiation light intensity when the near-infrared spectrum monitoring device irradiates the object to be tested, so as to determine the actual light intensity, and this step is not limited.

In this embodiment, by using the near-infrared spectroscopy monitoring device to detect the composition of the item to be tested, the current actual light intensity when the near-infrared spectroscopy monitoring device emits light on the item to be tested can be determined first, and the obtained The reference spectral data corresponding to the actual light intensity is used as a reference standard, so that the reference standard is accurate each time the near-infrared spectral monitoring device is used to detect the composition of the item to be tested, and then the corresponding By comparing the actual spectral data with the reference spectral data, the component information of the item to be tested can be accurately obtained according to the comparison results.

It should be noted that the mapping relationship between the light intensity and the reference spectral data can be set in advance. In the case of clarifying the current actual light intensity when the near-infrared spectral monitoring device illuminates the object to be tested, it can be based on the light intensity and the reference spectral data. Referring to the mapping relationship between the spectral data, the reference spectral data corresponding to the actual light intensity is obtained as a reference. Optionally, before the step of obtaining the reference spectral data corresponding to the actual light intensity, it also includes:

According to the preset output current, the near-infrared spectrum monitoring device is controlled to irradiate the target area, and the target area is made of a whiteboard made of a total reflection material;

Obtaining reference spectral data corresponding to when the near-infrared spectral monitoring device irradiates the target area based on the output current;

Correlating the output current, the light intensity corresponding to the output current, and the reference spectral data.

Specifically, the mapping relationship between light intensity and reference spectral data can be determined based on the following steps:

Step 1: The light intensity (ie, luminous intensity) L of the light source when the near-infrared spectroscopy monitoring device irradiates the object to be tested has a correlation with the driving current I, that is, L=f(I). There is a current sensor on the drive circuit. By adjusting the current In of different sizes, a set of light intensities Ln of different sizes can be obtained;

Step 2: Cover the probe with a whiteboard made of total reflection material;

Step 3: Control the drive circuit to output a set of current In from large to small, so as to obtain a set of light intensity Ln from strong to weak corresponding to the current, to simulate the near-infrared spectrum monitoring device after a long period of use, the near-infrared The light source of the spectral monitoring device undergoes a process of attenuation and light intensity decline, and then records a set of reference spectral data Sn corresponding to each light intensity;

Step 4: Establish a relationship mapping table between Ln and Sn to realize calibration.

Optionally, Teflon is used as the total reflection material.

As an optional implementation manner, before step S20, it also includes:

Determine the monitoring device identification of the near-infrared spectroscopy monitoring device;

generating request information for reference spectral data of the near-infrared spectroscopy monitoring device according to the monitoring device identification;

sending the request information to a server, where the request information includes a monitoring device identifier;

A mapping relationship between the light intensity fed back based on the request information and the reference spectral data is acquired.

In the actual application process, in order to avoid occupying additional resources of the near-infrared spectroscopy monitoring device and causing additional workload of the near-infrared spectroscopy monitoring device, the request information for the reference spectral data of the near-infrared spectroscopy monitoring device can be generated according to the identification of the monitoring device , send request information to the server, and obtain the mapping relationship between light intensity and reference spectral data from the server based on the request information. For example, the server stores light intensity and reference spectral data corresponding to different near-infrared spectroscopy monitoring devices In order to accurately obtain the mapping relationship between the corresponding light intensity of the corresponding near-infrared spectrum monitoring device and the reference spectrum data, the monitoring device identification, light intensity and reference spectrum of the near-infrared spectrum monitoring device are set The relationship between the data, when the server receives the request information sent by the near-infrared spectroscopy monitoring device, based on the monitoring device identification in the request information, the light intensity and reference spectral data corresponding to the monitoring device identification can be obtained.

Optionally, when it is detected that the near-infrared spectrum monitoring device irradiates the object to be tested, the step of determining the monitoring device identification of the near-infrared spectrum monitoring device is performed.

As an optional implementation manner, step S30 includes:

Acquiring corresponding detection spectrum data and ambient temperature when the item to be tested is irradiated based on the actual light intensity;

Compensating the detected spectral data according to the ambient temperature to determine the actual spectral data.

In one embodiment, due to the influence of environmental conditions such as ambient temperature, the near-infrared spectroscopy monitoring device causes poor stability and low precision of the collected detection spectral data, so that the detection results of the components of the object to be tested using the detection spectral data There is a deviation, and then by obtaining the corresponding ambient temperature when the actual light intensity is irradiated on the item to be tested, the corresponding detection spectrum data when the actual light intensity is irradiated on the item to be tested can be compensated according to the ambient temperature, and then the compensated detection spectrum data can be determined. It is the actual spectral data, and the actual spectral data is used to detect the composition of the item to be tested, so as to improve the accuracy of the detection result of the composition of the item to be tested.

Optionally, obtaining the corresponding ambient temperature when the item under test is irradiated based on the actual light intensity can be obtained by collecting the ambient temperature through a temperature sensor installed in the near-infrared spectrum monitoring device, which is not limited in this embodiment.

Optionally, the temperature sensor can be used to collect at least two detected temperatures within the corresponding preset sampling time period when the actual light intensity irradiates the item to be tested, determine the average temperature according to the at least two detected temperatures, and then determine the actual temperature based on the average temperature. The corresponding ambient temperature when the light intensity irradiates the object to be tested. By collecting at least two detection temperatures within the preset sampling time period when the actual light intensity irradiates the item to be tested, the temperature change during the preset sampling time period when the actual light intensity irradiates the item to be tested can be obtained, and at least two The average temperature of the detected temperature is used as the corresponding ambient temperature when irradiating the item to be tested based on the actual light intensity, which can avoid the inaccurate acquisition of the ambient temperature due to the sudden change of temperature, so as to obtain a more accurate actual light intensity to irradiate the item to be tested The ambient temperature corresponding to the item.

Optionally, the detected spectral data is compensated according to the ambient temperature, and the step of determining the actual spectral data includes:

Obtaining the spectral data compensation value corresponding to the ambient temperature based on the temperature compensation table;

The detected spectral data is compensated according to the spectral data compensation value to determine the actual spectral data.

It should be noted that the temperature compensation table is a correspondence table between ambient temperature and spectral data compensation values. In the case of determining the ambient temperature, the spectral data compensation value corresponding to the ambient temperature may be obtained based on the temperature compensation table.

Optionally, the detected spectral data is compensated according to the spectral data compensation value to determine the actual spectral data, the sum of the spectral data compensation value and the detected spectral data can be obtained, and the sum is determined as the actual spectral data.

Optionally, the spectral data compensation value can be a positive number, a negative number, or 0.

Optionally, before the step of obtaining the spectral data compensation value corresponding to the ambient temperature based on the temperature compensation table, it also includes:

The spectral data of the calibration plate is collected under different ambient temperatures, and a temperature compensation table is prepared according to the collected spectral data, and the temperature compensation table is a corresponding table of ambient temperature and spectral data compensation values.

The spectral data of the calibration plate can be collected at preset temperature intervals, and the spectral data compensation value corresponding to an interval of 1°C is calculated by interpolating the temperature difference corresponding to the light intensity to obtain a temperature compensation table.

Exemplarily, when the ambient temperature is 5-35° C., the corresponding relationship between the ambient temperature and the spectral data compensation value is determined. At ambient temperatures of 5°C, 10°C, 20°C, 25°C, 30°C and 35°C, the spectral data of the calibration plate can be collected by using a near-infrared spectral monitoring device, and then the spectral data compensation value can be determined according to the spectral data. The temperature interpolation corresponds to the light intensity interpolation method, and the spectral data compensation value corresponding to the interval of 1°C is calculated, that is, the spectral data compensation value of the calibration plate is obtained when the ambient temperature is all positive integer temperatures in the range of 5-35°C. The temperature compensation table is the correspondence table between ambient temperature and spectral data compensation value, and m is an integer in [1, 30].

Optionally, the spectral data compensation value is determined according to the spectral data, the spectral data to be compensated obtained by collecting the spectral data of the object to be measured at different ambient temperatures can be obtained, and the spectral data compensation is determined according to the spectral data of the calibration plate and the spectral data to be compensated The value, that is, the spectral data compensation value may be determined based on the difference between the spectral data of the calibration plate and the spectral data to be compensated. Exemplarily, at 35°C, the spectral data of the calibration plate is P1, the spectral data to be compensated is P2, and the spectral data compensation value is determined from P1-P2, and the spectral data compensation value determined by other ambient temperatures is the same as at 35°C The manner of determining the compensation value of the spectral data will not be repeated here.

In the technical solution disclosed in this embodiment, by using the near-infrared spectrum monitoring device to detect the composition of the item to be tested each time, the current actual light intensity when the near-infrared spectrum monitoring device illuminates the item to be tested can be determined first , the acquired reference spectral data corresponding to the actual light intensity is used as a reference standard, so that the reference standard is accurate each time the near-infrared spectral monitoring device is used to detect the composition of the item to be tested, and then the actual light intensity irradiated to be obtained based on the actual light intensity. The corresponding actual spectral data when measuring the item, by comparing the actual spectral data with the reference spectral data, can accurately obtain the component information of the item to be tested according to the comparison result.

The present invention also proposes a near-infrared spectrum monitoring device, which includes: a memory, a processor, and a detection program stored in the memory and operable on the processor, and the detection program is executed by the processor When implementing the steps of the detection method in any of the above-mentioned embodiments.

The present invention also proposes a storage medium, on which a detection program is stored, and when the detection program is executed by a processor, the steps of the detection method described in any of the above embodiments are implemented.

In the embodiments of the near-infrared spectroscopy monitoring device and storage medium provided by the present invention, all the technical features of the above-mentioned detection method embodiments are included, and the expansion and explanation of the description are basically the same as those of the above-mentioned detection method embodiments. Herein Do not repeat them.

It should be noted that, as used herein, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or system comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or system. Without further limitations, an element defined by the phrase "comprising a..." does not preclude the presence of additional identical elements in the process, method, article or system comprising that element.

The serial numbers of the above embodiments of the present invention are for description only, and do not represent the advantages and disadvantages of the embodiments.

Through the description of the above embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation. Based on such an understanding, the technical solution of the present invention can be embodied in the form of a software product in essence or the part that contributes to the prior art, and the computer software product is stored in one of the above storage media (such as ROM/RAM, magnetic CD, CD), including several instructions to make a mobile terminal (which can be a mobile phone, a computer, a server, a controlled terminal, or a network device, etc.) execute the method of each embodiment of the present invention.

The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process conversion made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in other related technical fields , are all included in the scope of patent protection of the present invention in the same way.

Claims (10)

1. A detection method, characterized in that it is applied to a near infrared spectrum type monitoring device, the detection method comprising:

determining the current actual light intensity when the near infrared spectrum monitoring device irradiates an object to be detected;

acquiring reference spectrum data corresponding to the actual light intensity;

acquiring corresponding actual spectrum data when the object to be measured is irradiated based on the actual light intensity;

comparing the actual spectral data with the reference spectral data;

and determining the component information of the object to be detected according to the comparison result.

2. The method of detecting as claimed in claim 1, wherein before the step of acquiring the reference spectrum data corresponding to the actual light intensity, further comprises:

controlling the near infrared spectrum monitoring device to irradiate a target area according to a preset output current, wherein the target area is a white board made of a total reflection material;

acquiring corresponding reference spectrum data when the near infrared spectrum type monitoring device irradiates a target area based on the output current;

and correlating the output current, the light intensity corresponding to the output current and the reference spectrum data.

3. The method of claim 2, wherein the total reflection material is teflon.

4. The method of claim 2, wherein the output currents are different and the associated reference spectral data are different.

5. The method of detecting as claimed in claim 1, wherein before the step of acquiring the reference spectrum data corresponding to the actual light intensity, further comprises:

determining a monitoring device identifier of the near infrared spectrum type monitoring device;

generating request information of reference spectrum data of the near infrared spectrum type monitoring device according to the monitoring device identification;

transmitting the request information to a server, wherein the request information comprises a monitoring device identifier;

and acquiring a mapping relation between the light intensity fed back based on the request information and the reference spectrum data.

6. The method of detection of claim 5, further comprising:

and executing the step of determining the monitoring device identification of the near infrared spectrum monitoring device when the monitoring device detecting the near infrared spectrum irradiates the object to be detected.

7. The method of claim 1, wherein the step of acquiring actual spectral data corresponding to the time of irradiating the object to be measured based on the actual light intensity comprises:

acquiring corresponding detection spectrum data and environmental temperature when the object to be detected is irradiated based on the actual light intensity;

and compensating the detected spectrum data according to the ambient temperature, and determining the actual spectrum data.

8. The method of detecting according to claim 7, wherein the step of compensating the detected spectral data based on the ambient temperature, and determining the actual spectral data includes:

acquiring a spectrum data compensation value corresponding to the ambient temperature based on a temperature compensation table;

and compensating the detected spectrum data according to the spectrum data compensation value, and determining the actual spectrum data.

9. A near infrared spectrum type monitoring device, characterized in that the near infrared spectrum type monitoring device comprises: memory, a processor and a detection program stored in the memory and executable on the processor, which detection program, when executed by the processor, implements the steps of the detection method according to any of claims 1-8.

10. A storage medium having stored thereon a detection program which, when executed by a processor, implements the steps of the detection method according to any of claims 1-8.

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