CN115993343A - Detection method, near infrared spectrum type monitoring device and storage medium - Google Patents
Detection method, near infrared spectrum type monitoring device and storage medium Download PDFInfo
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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
Technical Field
The present invention relates to the field of detection technologies, and in particular, to a detection method, a near infrared spectrum type monitoring device, and a storage medium.
Background
The near infrared spectrum analysis method utilizes the characteristic that various substance components produce differential absorption to light with specific frequency, and combines a chemometric method to realize quantitative and qualitative analysis to the substance components. When the near infrared spectrum type monitoring device is used for collecting spectrums, the corresponding spectrum data determined based on the initial light intensity of the near infrared spectrum type monitoring device is often used as reference data and is compared with the actual spectrum data obtained by acquiring the actual light intensity to determine the material components, however, after long-time use, the light source of the spectrometer is attenuated, the light intensity is reduced, even the spectrum corresponding to the irradiation light is lost, and if the corresponding spectrum data determined based on the initial light intensity of the near infrared spectrum type monitoring device is used as reference data, the analysis of the material components is inaccurate.
The foregoing is provided merely for the purpose of facilitating understanding of the technical solutions of the present invention and is not intended to represent an admission that the foregoing is prior art.
Disclosure of Invention
The invention mainly aims to provide a detection method, a near infrared spectrum type monitoring device and a storage medium, and aims to solve the problem that inaccurate analysis of a substance component can be caused by taking spectrum data corresponding to the initial light intensity of the near infrared spectrum type monitoring device as reference data.
In order to achieve the above object, the present invention provides a detection method 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.
Optionally, before the step of obtaining the reference spectrum data corresponding to the actual light intensity, the method further includes:
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.
Alternatively, teflon is used as the total reflection material.
Optionally, the output current is different and the associated reference spectral data is different.
Optionally, before the step of obtaining the reference spectrum data corresponding to the actual light intensity, the method further includes:
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.
Optionally, the detection method further comprises:
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.
Optionally, the step of acquiring the corresponding actual spectrum data when the object to be measured is irradiated based on the actual light intensity includes:
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.
Compensating the detected spectrum data according to the ambient temperature, and determining the actual spectrum data comprises the following steps:
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.
In addition, in order to achieve the above object, the present invention also provides a near infrared spectrum type monitoring device, including: the device comprises a memory, a processor and a detection program stored in the memory and capable of running on the processor, wherein the detection program realizes the steps of the detection method when being executed by the processor.
In addition, in order to achieve the above object, the present invention also provides a storage medium having a detection program stored thereon, which when executed by the processor, implements the respective steps of the detection method as described above.
According to the detection method, the near infrared spectrum type monitoring device and the storage medium, when the near infrared spectrum type monitoring device is adopted to detect the component of the object to be detected, the current actual light intensity when the near infrared spectrum type monitoring device emits light to irradiate the object to be detected can be determined first, the obtained reference spectrum data corresponding to the actual light intensity is used as a reference standard, so that the reference standard when the near infrared spectrum type monitoring device is adopted to detect the component of the object to be detected is accurate, the actual spectrum data corresponding to the object to be detected based on the actual light intensity is obtained, and the actual spectrum data and the reference spectrum data are compared to accurately obtain the component information of the object to be detected according to the comparison result.
Drawings
Fig. 1 is a schematic structural diagram of a near infrared spectrum type monitoring device according to various embodiments of the detection method of the present invention;
FIG. 2 is a flow chart of an embodiment of the detection method of the present invention;
fig. 3 is a schematic structural view of the probe module.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The invention provides a detection method, which is applied to a near infrared spectrum type monitoring device, and comprises the following steps:
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.
According to the detection method, when the near infrared spectrum type monitoring device is adopted to detect the component of the object to be detected, the current actual light intensity of the object to be detected when the near infrared spectrum type monitoring device emits light to irradiate the object to be detected can be determined, the obtained reference spectrum data corresponding to the actual light intensity is used as a reference standard, so that the reference standard of the object to be detected when the near infrared spectrum type monitoring device is adopted to detect the component of the object to be detected is accurate, the corresponding actual spectrum data of the object to be detected when the object to be detected is irradiated based on the actual light intensity is obtained, and the actual spectrum data and the reference spectrum data are compared, so that the component information of the object to be detected is obtained accurately according to the comparison result.
In the following description, suffixes such as "module", "part" or "unit" for representing elements are used only for facilitating the description of the present invention, and have no specific meaning per se. Thus, "module," "component," or "unit" may be used in combination.
The near infrared spectroscopic monitoring apparatus can be implemented in various forms. For example, near infrared spectrum monitoring devices described in the present invention may include mobile terminals such as cell phones, tablet computers, notebook computers, palm computers, personal digital assistants (Personal Digital Assistant, PDA), portable media players (Portable Media Player, PMP), navigation devices, wearable devices, smart bracelets, pedometers, and the like.
It will be appreciated by those skilled in the art that the configuration according to the embodiment of the present invention can be applied to a fixed type mobile terminal in addition to an element particularly used for a moving purpose.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a near infrared spectrum monitoring device according to various embodiments of the detection method of the present invention.
As shown in fig. 1, the near infrared spectrum monitoring device may include: a memory 101 and a processor 102. It will be appreciated by those skilled in the art that the block diagram of the terminal shown in fig. 1 is not limiting of the terminal, and that the terminal may include more or fewer components than shown, or may combine certain components, or a different arrangement of components. The memory 101 stores therein an operating system and a detection program. The processor 102 is a control center of the near infrared spectrum type monitoring apparatus, and the processor 102 executes a detection program stored in the memory 101 to implement the steps of the detection method embodiments of the present invention.
Optionally, the near infrared spectrum monitoring device may further include a display unit 103, where the display unit 103 includes a display panel, and the display panel may be configured in a form of a liquid crystal display (Liquid Crystal Display, LCD), an Organic Light-Emitting Diode (OLED), or the like, for outputting and displaying an interface browsed by a user.
Optionally, the near infrared spectrum monitoring device further includes a communication unit 104, where the communication unit 104 establishes data communication with the server (the data communication may be IP communication or bluetooth channel) through a network protocol, so as to implement data transmission with the server.
Based on the above-mentioned block diagram of the near infrared spectrum type monitoring device, various embodiments of the detection method of the present invention are presented.
In an embodiment, please refer to fig. 2, fig. 2 is a flow chart of an embodiment of the detection method of the present invention. In this embodiment, the detection method includes the steps of:
step S10, determining the current actual light intensity of the near infrared spectrum type monitoring device;
step S20, obtaining reference spectrum data corresponding to the actual light intensity;
step S30, obtaining corresponding actual spectrum data when the object to be measured is irradiated based on the actual light intensity;
step S40, comparing the actual spectrum data with the reference spectrum data;
and S50, determining the component information of the object to be tested according to the comparison result.
It should be noted that, the probe module of the near infrared spectrum type monitoring device is mainly responsible for collecting the reflected light information of the object to be detected, please refer to fig. 3, fig. 3 is a schematic structural diagram of the probe module, and the probe module includes a probe bracket E, a glass cover F, a light source G, a light sensor H, a driving circuit I, an optical fiber end J, an optical fiber K, an electric wire L and a light reflecting hole M. When the probe module works, the driving circuit drives the light source to emit light to irradiate the fermented object to be detected, and reflected light enters the end head of the optical fiber from the reflecting hole so as to transmit the reflected light to the control module through the optical fiber.
In the practical application process, the near infrared spectrum type monitoring device is in direct contact with the object to be detected, the probe module works, the driving circuit drives the light source to emit light to irradiate the object to be detected, reflected light enters the optical fiber end head from the light hole, so that the reflected light is transmitted to the control module through the optical fiber, and the spectrum data of the object to be detected 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 is an LED lamp of a preset spectral range.
Based on the difference of the absorption capability of different substances to near infrared light energy of different wavebands, when a light source with a known spectrum is used for irradiating an object to be measured, the composition components of the object to be measured and the content corresponding to the composition components can be analyzed and calculated from the spectrum data of the reflected light by comparing the spectrum data of the reflected light with the reference spectrum data corresponding to the irradiated light, and the substance composition parameters of the object to be measured are determined according to the composition components and the content corresponding to the composition components.
Illustratively, the item to be tested is a ferment, such as grain cereal, or the like. When the fermented material in the pit is in different fermentation stages, the probe module of the near infrared spectrum type monitoring device can work and drive the light source to emit light, the detected fermented material is irradiated through the light transmission part, reflected light enters the optical fiber end head from the light hole, the reflected light is transmitted to the control module through the optical fiber, the spectrum data of the corresponding fermented material in the pit is obtained, and further at least one of the total acid, the water content, the sugar content and the starch content of the fermented material is analyzed and calculated based on the spectrum data of the fermented material.
When the near infrared spectrum type monitoring device is used for detecting the composition of the object to be detected, the spectrum data corresponding to the initial light intensity of the near infrared spectrum type monitoring device is often used as reference data, and is compared with the actual spectrum data obtained by acquiring the actual light intensity to determine the composition of the object, however, after long-time use, the light source of the spectrometer is attenuated, the light intensity is reduced, even the spectrum corresponding to the irradiation light is lost, if the spectrum data corresponding to the initial light intensity of the near infrared spectrum type monitoring device is used as reference data, the analysis of the composition of the object to be detected is inaccurate, therefore, before the near infrared spectrum type monitoring device is used for detecting the composition of the object to be detected, the near infrared spectrum type monitoring device needs to be used as reference standard to detect the composition of the object to be detected, so that the near infrared spectrum type monitoring device is used for ensuring the accuracy of measurement based on the reference spectrum data corresponding to the current actual light intensity.
In the practical application process, when the near infrared spectrum type monitoring device is adopted to detect the substance to be detected for a long time, and the near infrared spectrum type monitoring device cannot be taken out at any time, the near infrared spectrum type monitoring device cannot be detected, so that the detection of the composition components of the substance to be detected is inaccurate. For example, if the near infrared spectrum type monitoring device is placed in the white spirit solid fermentation tank to detect the fermentation condition of the fermented product in the fermentation tank for a long time, the near infrared spectrum type monitoring device can take out the scene of the near infrared spectrum type monitoring device after the fermented product in the fermentation tank is fermented for several months once the near infrared spectrum type monitoring device is installed in the white spirit solid fermentation tank. To ensure the accuracy of the near infrared spectrum monitoring device measurement, the component information of the object to be measured can be determined based on the following steps:
determining the current actual light intensity of the near infrared spectrum type monitoring device;
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.
The reference spectrum data is a complete spectrum without any absorption phenomenon when the near infrared spectrum type monitoring device irradiates the object to be detected. The actual spectrum data refers to spectrum data corresponding to a reflected light spectrum obtained when an infrared spectrometer irradiates an object to be measured. The near infrared spectrum type monitoring device is adopted to detect the composition of the object to be detected, and the spectrum data (namely, the actual spectrum data) corresponding to the reflected light spectrum obtained when the object to be detected is irradiated by the near infrared spectrum type monitoring device is determined based on the reference spectrum data.
The current actual light intensity when the near infrared spectrum type monitoring device irradiates the object to be measured is determined, the driving current when the near infrared spectrum type monitoring device irradiates the object to be measured based on the light emission of the near infrared spectrum type monitoring device can be obtained, the current actual light intensity is determined according to the driving current, and the irradiation light intensity when the near infrared spectrum type monitoring device irradiates the object to be measured can also be detected based on the light sensor arranged on the probe module to determine the actual light intensity, so that the step is not limited.
In this embodiment, when the near infrared spectrum type monitoring device is used to detect the component of the to-be-detected article, the current actual light intensity when the near infrared spectrum type monitoring device emits light to irradiate the to-be-detected article can be determined first, the obtained reference spectrum data corresponding to the actual light intensity is used as the reference standard, so that the reference standard when the near infrared spectrum type monitoring device is used to detect the component of the to-be-detected article is accurate, the corresponding actual spectrum data when the to-be-detected article is irradiated based on the actual light intensity is obtained, and the actual spectrum data and the reference spectrum data are compared, so that the component information of the to-be-detected article can be obtained accurately according to the comparison result.
It should be noted that, the mapping relationship between the light intensity and the reference spectrum data may be preset, and when it is clear that the near infrared spectrum monitoring device emits light to illuminate the to-be-detected object, the reference spectrum data corresponding to the actual light intensity may be obtained as the reference standard based on the mapping relationship between the light intensity and the reference spectrum data. Optionally, before the step of obtaining the reference spectrum data corresponding to the actual light intensity, the method further includes:
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.
Specifically, the mapping relationship between the light intensity and the reference spectrum data can be determined based on the following steps:
step 1: the light intensity (i.e., luminous intensity) L of the light source when the near infrared spectrum type monitoring device irradiates the object to be measured has a correlation with the driving current I, i.e., l=f (I). The driving circuit is provided with a current sensor, and a group of light intensities Ln with different magnitudes can be obtained by adjusting currents In with different magnitudes;
step 2: a white board made of total reflection material covers the probe;
step 3: the driving circuit is controlled to output a group of currents In from large to small respectively, so that a group of light intensities Ln from strong to weak corresponding to the currents are obtained, the process that the light source of the near infrared spectrum type monitoring device is attenuated and the light intensity is reduced after long-time use is simulated, and the next group of reference spectrum data Sn are recorded respectively corresponding to each light intensity;
step 4: and establishing a relation mapping table between Ln and Sn to realize calibration.
Alternatively, teflon is used as the total reflection material.
As an alternative embodiment, before step S20, further includes:
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.
In the practical application process, in order to avoid occupying extra resources of the near infrared spectrum type monitoring device and causing extra workload of the near infrared spectrum type monitoring device, request information of reference spectrum data of the near infrared spectrum type monitoring device can be generated according to the monitoring device identification, the request information is sent to a server, a mapping relation between light intensity and the reference spectrum data is obtained from the server based on the request information, and in an exemplary manner, mapping relations between light intensity corresponding to different near infrared spectrum type monitoring devices and the reference spectrum data are stored in the server, in order to accurately obtain the mapping relation between the corresponding light intensity of the corresponding near infrared spectrum type monitoring device and the reference spectrum data, association relations between monitoring device identification of the near infrared spectrum type monitoring device and the light intensity and the reference spectrum data are set, and when the server receives the request information sent by the near infrared spectrum type monitoring device, the light intensity corresponding to the monitoring device identification and the reference spectrum data can be obtained based on the monitoring device identification in the request information.
Optionally, the step of determining the monitoring device identifier of the near infrared spectrum monitoring device is performed when the monitoring device detecting the near infrared spectrum irradiates the object to be detected.
As an alternative embodiment, step S30 includes:
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.
In an embodiment, the near infrared spectrum type monitoring device has poor stability and low precision of collected detection spectrum data due to environmental conditions such as environmental temperature influence, so that the detection result of the components of the to-be-detected object is biased by using the detection spectrum data, and further, the detection spectrum data corresponding to the actual light intensity when the to-be-detected object is irradiated according to the environmental temperature can be compensated by acquiring the corresponding environmental temperature when the to-be-detected object is irradiated based on the actual light intensity, the compensated detection spectrum data is determined to be the actual spectrum data, the actual spectrum data is used for detecting the components of the to-be-detected object, and the accuracy of the detection result of the components of the to-be-detected object is improved.
Alternatively, the corresponding ambient temperature when the object to be measured is irradiated based on the actual light intensity may be obtained by collecting the ambient temperature by a temperature sensor provided in the near infrared spectrum type monitoring device, which is not limited in this embodiment.
Optionally, at least two detection temperatures in a preset sampling period corresponding to the time when the actual light intensity irradiates the object to be measured can be acquired through the temperature sensor, the average temperature is determined according to the at least two detection temperatures, and then the corresponding environment temperature when the object to be measured is irradiated based on the actual light intensity is determined according to the average temperature. The temperature change condition of the actual light intensity in the preset sampling time period when the actual light intensity irradiates the object to be measured can be obtained by collecting at least two detection temperatures in the preset sampling time period when the actual light intensity irradiates the object to be measured, and the average temperature of the at least two detection temperatures is obtained to serve as the corresponding environment temperature when the actual light intensity irradiates the object to be measured, so that inaccurate acquisition of the environment temperature due to the burstiness of the temperature change can be avoided, and the corresponding environment temperature when the more accurate actual light intensity irradiates the object to be measured can be obtained.
Optionally, the step of compensating the detected spectrum data according to the ambient temperature, and determining the actual spectrum 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.
The temperature compensation table is a table corresponding to the ambient temperature and the spectrum data compensation value. In the case of determining the ambient temperature, a spectral data compensation value corresponding to the ambient temperature may be acquired based on the temperature compensation table.
Optionally, the detected spectrum data is compensated according to the spectrum data compensation value, the actual spectrum data is determined, the sum value of the spectrum data compensation value and the detected spectrum data can be obtained, and the sum value is determined as the actual spectrum data.
Alternatively, the spectral data compensation value may be positive, negative, or 0.
Optionally, before the step of obtaining the spectral data compensation value corresponding to the ambient temperature based on the temperature compensation table, the method further includes:
and acquiring spectrum data of the calibration plate at different environment temperatures, and manufacturing a temperature compensation table according to the acquired spectrum data, wherein the temperature compensation table is a corresponding table of the environment temperature and the spectrum data compensation value.
The spectrum data of the calibration plate can be acquired at preset temperature intervals, and the spectrum data compensation value corresponding to the interval of 1 ℃ is calculated by means of interpolation of the light intensity corresponding to the temperature difference value, so that a temperature compensation table is obtained.
Illustratively, a correspondence between ambient temperature and the spectral data compensation value is determined in the range of 5-35 ℃. The spectrum data of the calibration plate can be collected by utilizing a near infrared spectrum type monitoring device at the environment temperature of 5 ℃, 10 ℃, 20 ℃, 25 ℃, 30 ℃ and 35 ℃ respectively, the spectrum data compensation value is determined according to the spectrum data, the spectrum data compensation value corresponding to the interval of 1 ℃ is calculated by a mode of interpolation of temperature corresponding to interpolation of light intensity, namely the spectrum data compensation value of the calibration plate when the environment temperature is all positive integer temperatures in the range of 5-35 ℃ is obtained, the temperature compensation table is a corresponding table of the environment temperature and the spectrum data compensation value, and m is an integer in [1, 30 ].
Optionally, the spectrum data compensation value is determined according to the spectrum data, spectrum data to be compensated obtained by collecting the spectrum data of the object to be measured at different environmental temperatures can be obtained, and the spectrum data compensation value is determined according to the spectrum data of the calibration plate and the spectrum data to be compensated, that is, the spectrum data compensation value can be determined based on the difference value between the spectrum data of the calibration plate and the spectrum data to be compensated. For example, at 35 ℃, the spectrum data of the calibration plate is P1, the spectrum data to be compensated is P2, the spectrum data compensation values are determined by determining P1-P2, and the spectrum data compensation values determined by other environmental temperatures are the same as the spectrum data compensation values determined at 35 ℃, which will not be described herein.
In the technical scheme disclosed in the embodiment, when the near infrared spectrum type monitoring device is adopted to detect the composition of the object to be detected, the current actual light intensity when the near infrared spectrum type monitoring device emits light to irradiate the object to be detected can be determined first, the obtained reference spectrum data corresponding to the actual light intensity is used as a reference standard, so that the reference standard when the near infrared spectrum type monitoring device is adopted to detect the composition of the object to be detected is accurate, the corresponding actual spectrum data when the object to be detected is irradiated based on the actual light intensity is further obtained, and the actual spectrum data and the reference spectrum data are compared, so that the component information of the object to be detected is accurately obtained according to the comparison result.
The invention also provides a near infrared spectrum type monitoring device, which comprises: comprising a memory, a processor and a detection program stored in the memory and executable on the processor, the detection program when executed by the processor implementing the steps of the detection method in any of the embodiments described above.
The present invention also proposes a storage medium having stored thereon a detection program which, when executed by a processor, implements the steps of the detection method as described in any of the above embodiments.
In the embodiments of the near infrared spectrum type monitoring device and the storage medium provided by the invention, all technical features of each embodiment of the detection method are included, and the expansion and explanation contents of the description are basically the same as those of each embodiment of the detection method, and are not repeated here.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) as above, comprising instructions for causing a mobile terminal (which may be a handset, a computer, a server, a controlled terminal, or a network device, etc.) to perform the method of each embodiment of the present invention.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
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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2023
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