WO2019140579A1 - Procédé et terminal pour effectuer une détection raman sur une substance pour détection - Google Patents

Procédé et terminal pour effectuer une détection raman sur une substance pour détection Download PDF

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Publication number
WO2019140579A1
WO2019140579A1 PCT/CN2018/073098 CN2018073098W WO2019140579A1 WO 2019140579 A1 WO2019140579 A1 WO 2019140579A1 CN 2018073098 W CN2018073098 W CN 2018073098W WO 2019140579 A1 WO2019140579 A1 WO 2019140579A1
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Prior art keywords
substance
detected
laser
distance
laser light
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PCT/CN2018/073098
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English (en)
Chinese (zh)
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骆磊
牟涛涛
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深圳达闼科技控股有限公司
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Priority to PCT/CN2018/073098 priority Critical patent/WO2019140579A1/fr
Priority to CN201880000028.1A priority patent/CN108401441A/zh
Publication of WO2019140579A1 publication Critical patent/WO2019140579A1/fr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65—Raman scattering

Definitions

  • the present disclosure relates to the field of Raman detection, and in particular to a method and terminal for Raman detection of a substance to be detected.
  • Raman detection techniques are commonly used to detect the composition of a substance to be detected.
  • the laser is irradiated onto the substance to be detected, and the Raman signal emitted by the substance to be detected under the action of the laser is used to detect the ratio of each component and each component.
  • Raman detection not only accurately detects the composition of the substance to be detected, but also accurately detects the proportion of each component. This is because, for liquids, since the liquid is fluid, sufficient mixing between molecules can be achieved, so that the laser focus irradiation range already contains numerous incompletely mixed molecules of different substances, so the ratio analysis is accurate. For powdery solid materials, the mixing of the components does not achieve absolute uniformity.
  • An object of the present disclosure is to provide a technique for Raman detection of a substance to be detected, which can accurately detect the proportion of components of a powdery substance to be detected.
  • a method for Raman detection of a substance to be detected comprising:
  • Determining that the substance to be detected is a powdery substance
  • the distance obtained by separating the substance to be detected from the focus of the laser when performing Raman detection on the substance to be detected is obtained.
  • determining that the substance to be detected is a powdery substance specifically comprises:
  • the substance to be detected is a powdery substance.
  • the distance between the substance to be detected and the laser focus of the laser light path for emitting the laser for Raman detection includes:
  • the distance obtained by separating the substance to be detected from the focus of the laser specifically includes: moving the detecting head on which the substance to be detected is placed along the optical axis of the laser light path according to the acquired distance .
  • the detecting head is coupled to the detecting body that houses the laser light path by a telescopic rod.
  • Moving the detecting head on which the substance to be detected is placed along the optical axis of the laser light path includes moving the detecting head along the optical axis of the laser light path by being elongated or shortened by the telescopic rod.
  • the detecting head is separated from the detecting body that accommodates the laser light path, and an electromagnet is respectively disposed on a side of the detecting head and the detecting body opposite to each other.
  • Moving the detecting head on which the substance to be detected is placed along the optical axis of the laser beam path includes: adjusting an electromagnetic field strength of an electromagnet respectively provided on a side of the detecting head and the detecting body opposite to each other The detecting head moves along the optical axis of the laser beam path.
  • the distance obtained by separating the substance to be detected from the focus of the laser specifically includes: moving the laser light path along the optical axis according to the acquired distance.
  • the distance obtained by separating the substance to be detected from the focus of the laser specifically includes: changing a focal length of the laser light path by a zooming manner.
  • the laser power irradiated to the substance to be detected is adjusted based on the acquired distance, wherein the laser power irradiated to the substance to be detected is an increasing function of the acquired distance.
  • the laser power that is irradiated to the substance to be detected is proportional to the acquired distance.
  • a terminal for Raman detection of a substance to be detected comprising:
  • test head for placing a substance to be tested
  • the substance to be detected is a powdery substance
  • Raman detection when the substance to be detected is subjected to Raman detection, the distance between the substance to be detected and the laser focus of the laser light path is set apart.
  • the terminal further includes:
  • An image recognition device configured to capture an image of the substance to be detected, and to identify from the captured image that the substance to be detected is a powdery substance.
  • the image recognition device is further configured to identify a particle size of the substance to be detected from the captured image.
  • the terminal further includes: a processor configured to set a distance between the substance to be detected and the focus of the laser when the substance to be detected is subjected to Raman detection based on the identified particle size, wherein the substance to be detected is pulled The distance between the substance to be detected and the focus of the laser at the time of the detection is an increasing function of the identified particle size.
  • the terminal further includes a driver configured to move the detecting head along an optical axis of the laser light path according to a set distance.
  • the terminal further includes: a telescopic rod between the detecting head and a detecting body that accommodates the laser light path, wherein the driver drives the telescopic rod to be elongated or shortened, so that The detecting head moves along the optical axis of the laser beam path.
  • the detecting head is separated from the detecting body, and an electromagnet is respectively disposed on a side of the detecting head and the detecting body opposite to each other, wherein the driver passes through the adjusting body
  • the electromagnetic field of the electromagnet is strong, and the detecting head is moved along the optical axis of the laser beam path.
  • the terminal further includes a driver configured to move the laser light path along the optical axis in accordance with the acquired distance.
  • the terminal further includes a processor configured to change a focal length of the laser light path by a zooming manner.
  • the terminal further includes: a processor configured to adjust a laser power to be irradiated to the substance to be detected based on the acquired distance, wherein the laser power irradiated to the substance to be detected is a set distance Increase function.
  • the laser power that is irradiated to the substance to be detected is proportional to the set distance.
  • the substance to be detected is a powdery substance
  • the Raman detection of the substance to be detected is performed, the distance between the substance to be detected and the focus of the laser is separated, instead of letting the laser focus fall right On the substance to be tested. Let the laser focus fall on the substance to be detected.
  • the area of the substance to be detected that can receive the laser is only a point, including few particles, and the detection result is not representative, so it is not accurate.
  • the laser focus is separated from the substance to be detected by a distance, so that the area of the area where the laser falls on the substance to be detected becomes larger, so that the area where the laser falls on the substance to be detected contains more particles, so that the Raman detection is to be detected.
  • the detection of the composition of the substance is more accurate.
  • FIG. 1 is a flow chart of a method of Raman detection of a substance to be detected, in accordance with an embodiment of the present disclosure.
  • 2a is a hardware configuration diagram of a terminal for performing Raman detection of a substance to be detected in a case where the head is moved while the laser beam path is not moving, according to an embodiment of the present disclosure.
  • 2b is a hardware configuration diagram of a terminal for performing Raman detection of a substance to be detected in a case where the head is moved while the laser beam path is not moving, according to another embodiment of the present disclosure.
  • FIG. 3 is a hardware configuration diagram of a terminal for performing Raman detection of a substance to be detected in a case where a detecting head does not move and a laser beam path moves, according to an embodiment of the present disclosure.
  • FIG. 4 is a hardware configuration diagram of a terminal for performing Raman detection of a substance to be detected in a case where a focal length of a laser light path is adjusted according to an embodiment of the present disclosure.
  • FIG. 5 is a flow chart of a method of Raman detection of a substance to be detected, in accordance with an embodiment of the present disclosure.
  • FIG. 6 is a detailed flowchart of step 110 of FIG. 1 or FIG. 5, in accordance with an embodiment of the present disclosure.
  • FIG. 7 is a detailed flowchart of step 120 of FIG. 1 or FIG. 5, in accordance with an embodiment of the present disclosure.
  • Figure 8a shows the area of illumination of the laser on the substance to be detected in the case where the substance to be detected is not separated from the focus of the laser.
  • Figure 8b illustrates an area of illumination of a laser on a substance to be detected with the substance to be detected separated from the focus of the laser by a distance, in accordance with an embodiment of the present disclosure.
  • embodiments of the present disclosure may be implemented as a system, apparatus, device, method, or computer program product. Accordingly, the present disclosure may be embodied in the form of full hardware, complete software (including firmware, resident software, microcode, etc.), or a combination of hardware and software.
  • a method and terminal for Raman detection of a substance to be detected are proposed.
  • a method for Raman detection of a substance to be detected including:
  • Step S110 determining that the substance to be detected is a powdery substance
  • Step S120 acquiring a distance between the substance to be detected and a laser focus of a laser light path for emitting laser light for Raman detection when performing Raman detection on the substance to be detected;
  • Step S130 separating the distance between the substance to be detected and the focus of the laser when Raman detection is performed on the substance to be detected.
  • FIGS. 2a, 2b, 3, and 4 the structure of the terminal implementing the above method will be briefly described.
  • the terminal for Raman detection of the substance to be detected comprises a detection head 2 and a detection body 1.
  • the detecting body 1 has a laser light path 11 that emits laser light for Raman detection and a Raman signal sensor 12 for sensing the intensity of the Raman signal emitted from the substance to be detected.
  • the laser light path 11 emits laser light to the substance to be detected.
  • the Raman signal sensor 12 senses the intensity of the Raman signal emitted by the substance to be detected, and converts it into an electrical signal for transmission to the processor 14 for analysis.
  • the processor 14 determines the composition and composition ratio of the substance to be detected based on the intensity of the Raman signal and other detection parameters that may be required, and sends it to the display 15 for display.
  • Figures 2a, 2b, 3, 4 illustrate a particular implementation structure of a terminal that implements the method of one embodiment of the present disclosure.
  • the present disclosure is not limited to these specific structures.
  • the substance to be detected may also be placed directly on the detecting head 2. on.
  • the laser light path 11, the Raman signal sensor 12, and the display 15 are placed inside the detecting body 1, it should be understood that they may also be placed outside the detecting body 1.
  • the detecting body 1 is openable, and the detecting head 2 can also be placed inside the detecting body 1 and kept at a certain distance from the laser light path 11.
  • the Raman signal sensor 12 may also be used to sense the intensity of the Raman signal emitted by the substance to be detected, but the Raman signal intensity emitted by the substance to be detected may be obtained by other methods known in the art.
  • the display 15 can also be replaced with a player as needed to broadcast the Raman detection result instead of displaying it.
  • steps S110-S130 will be described in detail respectively.
  • step S110 it is determined that the substance to be detected is a powdery substance.
  • step S110 can be implemented by detecting the input at the input interface 16.
  • an input interface 16 such as a touch screen, is provided in the detection body 1.
  • the user determines that the substance to be detected is a powdery substance and then inputs it on the input interface 16, such as an option to touch a "powdered substance" on the touch screen.
  • the substance to be detected is determined to be a powdery substance based on the detected user input on the input interface 16.
  • step S110 can be implemented by processor 14.
  • step S110 specifically includes:
  • S1102 Identifying, from the captured image, the substance to be detected is a powdery substance.
  • step S1101 and step S1102 can be implemented by the image recognition device 13.
  • the image recognition device 13 notifies the processor 14 after recognizing that the substance to be detected is a powdery substance.
  • the image recognition device automatically determines that the substance to be detected is a powdery substance, which overcomes the problem of low detection efficiency caused by manual operation.
  • step S120 the distance between the substance to be detected and the laser focus of the laser light path for emitting laser light for Raman detection when Raman detection is performed on the substance to be detected is acquired.
  • the area of the substance to be detected that can receive the laser is only a point, including few particles, and the detection result is not representative, so it is not accurate.
  • the laser focus is separated from the substance to be detected by a distance, so that the area of the area where the laser falls on the substance to be detected becomes larger, so that the area where the laser falls on the substance to be detected contains more particles, so that the Raman detection is to be detected.
  • the detection of the composition of the substance is more accurate. In general, the larger the particle size of the substance to be detected, the smaller the area of the area where the laser falls on the substance to be detected, the smaller the area of the area, and the lower the accuracy of the detection result.
  • the larger the particle size of the substance to be detected the larger the area of the area where the laser falls on the substance to be detected, and the larger the distance between the laser focus and the substance to be detected.
  • the distance between the laser focus and the substance to be detected is an increasing function of the particle size of the substance to be detected. Therefore, the distance between the laser focus and the substance to be detected should be determined according to the particle size of the substance to be detected.
  • step S120 is performed by detecting the distance of the substance to be detected from the laser focus when Raman detection is performed by the user on the input interface 16 for Raman detection.
  • the distance between the substance to be detected and the laser focus when Raman detection is performed on the substance to be detected is estimated according to the particle size of the substance to be detected observed by the naked eye.
  • the user then inputs the estimated distance through the input interface 16.
  • Input interface 16 transmits the input distance to processor 14.
  • the processor 14 obtains the distance between the substance to be detected and the laser focus of the laser beam path for emitting laser light for Raman detection when performing Raman detection on the substance to be detected.
  • step S120 detects the particle size of the substance to be detected input by the user at the input interface 16, and determines the substance to be detected and the issuance for pulling when performing Raman detection on the substance to be detected according to the input particle size.
  • a comparison table or a correspondence formula of the distance between the particle to be detected and the laser focus when the particle size is subjected to Raman detection of the substance to be detected is previously stored in the processor 14.
  • the distance between the substance to be detected and the laser focus when Raman detection is performed according to the input particle size can be performed by searching the comparison table or the correspondence formula according to the input particle size.
  • the comparison table or the correspondence formula may not be stored in the processor 14, but may be stored in a memory (not shown) external to the processor 14, which may be inside the detection interface 1 or outside the detection interface 1. .
  • the particle size of the substance to be detected can be expressed in a predetermined particle size level.
  • the particle size of the substance to be detected is divided into several levels.
  • the particle size of the substance to be detected can be observed from the naked eye and the level stated by the particle size is judged. The user then inputs the determined level to the input interface 16.
  • step S120 includes:
  • S1202 Identify a particle size of the substance to be detected from the captured image
  • S1203 determining, according to the identified particle size, a distance between the substance to be detected and the focus of the laser when performing Raman detection on the substance to be detected, wherein the substance to be detected is subjected to Raman detection of the substance to be detected
  • the distance of the laser focus is an increasing function of the identified particle size.
  • step S1201 step 1202 is performed by the image recognition device 13.
  • Step S1203 may be performed by the processor 14 searching for a comparison table or a correspondence formula of the distance between the particle to be detected and the distance of the laser focus when Raman detection is performed on the substance to be detected.
  • a comparison table or a correspondence formula of the distance between the substance to be detected and the focus of the laser when the processor 14 is subjected to Raman detection may be set in advance according to experience and stored in the processor 14. According to the particle size identified in step S1202, the pre-stored comparison table or the correspondence formula is searched for, and the distance between the substance to be detected and the laser focus when Raman detection is performed on the substance to be detected can be obtained.
  • the comparison table or the correspondence formula may not be stored in the processor 14, but may be stored in a memory (not shown) external to the processor 14, which may be inside the detection interface 1 or outside the detection interface 1. .
  • the particle size of the substance to be detected is identified by means of image recognition, and based on the identified particle size, the distance between the substance to be detected and the focus of the laser when Raman detection is performed on the substance to be detected is automatically determined. The entire process does not require human involvement, increasing the automation of detecting substances to be detected.
  • the laser may be made.
  • a large irradiation area is formed on the substance to be detected to include more particles, but since the noise mixed at this time is too large, it is disadvantageous for spectral analysis. Therefore, according to the identified particle size, determining the distance between the substance to be detected and the focus of the laser when performing Raman detection on the substance to be detected, taking into account the size of the irradiation area formed by the laser on the substance to be detected, Avoid introducing too much noise and improve the accuracy of the test results.
  • a proportional relationship between the distance between the substance to be detected and the laser focus and the identified particle size when performing Raman detection on the substance to be detected may be determined to be treated. The distance between the substance to be detected and the focus of the laser when the substance is detected for Raman detection.
  • Step S130 separating the distance between the substance to be detected and the focus of the laser when Raman detection is performed on the substance to be detected.
  • the distance obtained by separating the substance to be detected from the focus of the laser can be performed by moving the detection head on which the substance to be detected is moved without moving the laser light path, or by moving the detection path of the substance to be detected without moving the laser light path. It can also be done by adjusting the laser focus of the laser beam path.
  • step S130 includes, as shown in FIGS. 2a-2b, moving the detecting head 2 on which the substance to be detected is placed along the optical axis of the laser beam path 11 according to the acquired distance, including along the optical axis. It moves in a direction away from the laser light path 11 and in a direction along the optical axis toward the laser light path 11.
  • Figures 2a-2b implement two different implementations, respectively.
  • the detection head 2 is connected to the detection body 1 housing the laser beam path 11 via a telescopic rod 3.
  • the driver 17 drives the telescopic rod 3 to expand and contract.
  • Moving the detecting head 2 on which the substance to be detected is placed along the optical axis of the laser beam path 11 includes: elongating or shortening by the telescopic rod to move the detecting head along the optical axis of the laser beam path.
  • the telescopic rod 3 is telescopic.
  • the driver 17 drives the telescopic rod to extend or shorten, so that the distance between the detecting head and the laser beam path becomes larger or smaller, and the distance between the substance to be detected and the laser focus becomes larger or smaller.
  • the telescopic rod 3 is elongated, assuming that the distance from the center of the laser light path to the laser focus, that is, the focal length is f, and the distance between the substance to be detected and the laser focus is d, the center of the laser light path to the substance to be detected (ie, the detection head) The distance of the center is f+d.
  • the center of the laser light path to the substance to be detected (ie, the detection head) The distance from the center is fd.
  • the detecting head 2 is separated from the detecting body 1 that houses the laser beam path 11, and an electromagnet is respectively disposed on a side of the detecting head 2 and the detecting body 1 opposite to each other.
  • Moving the detecting head 2 on which the substance to be detected is placed along the optical axis of the laser beam path 11 includes: adjusting an electromagnet 19 respectively provided on a side of the detecting head 2 and the detecting body 1 opposite to each other The electromagnetic field is strong to move the detecting head 2 along the optical axis of the laser beam path 11.
  • the focal length is f
  • the distance between the substance to be detected and the focus of the laser is d
  • the electromagnetic field of the electromagnet 19 is adjusted so that the detection head moves away from the laser light path, the detection is made.
  • the distance from the center of the head to the equivalent center of the laser beam path lens group is f+d. If the electromagnetic field of the electromagnet 19 is adjusted so that the head moves toward the laser beam path, the distance from the center of the detecting head to the equivalent center of the laser beam path lens group is f-d.
  • the distance obtained by separating the substance to be detected from the focus of the laser specifically includes: detecting, by the obtained distance, the laser light path to face away from the substance to be detected. The direction of the head moves.
  • the laser light path 11 is mounted in a chute (not shown) provided in the detecting body 1.
  • the driver 17 controls the laser light path 11 to translate back and forth on the chute.
  • the driver 17 controls the laser beam path 11 to translate back and forth over the chute such that the distance from the center of the laser beam path lens set to the center of the head is f-d.
  • driver 17 controls the laser beam path 11 to translate back and forth over the chute
  • other ways may be employed to move the laser beam path along the optical axis, such as by magnetic force control.
  • the distance obtained by separating the substance to be detected from the focus of the laser specifically includes: changing the focal length of the laser light path by a zooming manner.
  • the changing the focal length of the laser light path includes increasing a focal length of the laser light path or reducing a focal length of the laser light path.
  • the processor 14 changes the focal length of the laser light path by instructing the laser light path 11 to zoom.
  • the default focal length before zooming is f1.
  • the distance from the equivalent center of the laser beam path lens group to the laser focus is restored to f1. .
  • the focal length after zooming is f1+d or f1-d.
  • the advantage of this embodiment is that it avoids possible damage caused by moving parts by zooming.
  • the method further includes: S140: adjusting a laser power to be irradiated to the substance to be detected based on the acquired distance, wherein the laser power irradiated to the substance to be detected is the acquired distance Increase function.
  • the laser does not illuminate the substance to be detected at the focus, but the substance to be detected is kept at a certain distance from the laser focus to form a larger spot on the substance to be detected, covering more particles.
  • the efficiency of spectral detection is reduced and the detection time is prolonged. This can be overcome by increasing the laser power according to the distance between the substance to be detected and the laser focus, and shortening the detection time. In this way, the detection time is shortened, the spectral detection efficiency is improved, and the accuracy of the detection of the proportion of the powdery substance can be greatly improved.
  • the laser power irradiated to the substance to be detected is an increasing function of the acquired distance.
  • the laser power to be irradiated to the substance to be detected is proportional to the acquired distance.
  • Fig. 8a when the laser focus is just on the substance to be detected, since the laser focus diameter is extremely small, the particles irradiated are extremely limited.
  • FIG. 8b if the laser focus is separated from the substance to be detected by a distance determined based on the particle size of the substance to be detected, the number of particles irradiated by the laser is significantly increased, so that the detection result is closer to accuracy.
  • the detection result may be 70:30.
  • the laser illuminates 26 substances A and 24 substances B, and the detection result may be 52:48.
  • a terminal for performing Raman detection on a substance to be detected includes:
  • a detection head 2 for placing a substance to be detected
  • a laser light path 11 that emits a laser for Raman detection
  • the substance to be detected is a powdery substance
  • Raman detection when the substance to be detected is subjected to Raman detection, the distance between the substance to be detected and the laser focus of the laser light path 11 is set apart.
  • the terminal further includes:
  • the image recognition device 13 is configured to take an image of the substance to be detected, and recognize that the substance to be detected is a powdery substance from the captured image.
  • the image recognition device 13 is further configured to identify the particle size of the substance to be detected from the captured image.
  • the terminal further includes: a processor 14 configured to set, according to the identified particle size, a distance between the substance to be detected and the focus of the laser when performing Raman detection on the substance to be detected, wherein the substance to be detected is performed.
  • the distance of the substance to be detected from the laser focus at the time of Raman detection is an increasing function of the identified particle size.
  • the terminal further includes a driver 17 configured to move the detecting head along an optical axis of the laser beam path according to a set distance.
  • the terminal further includes: a telescopic rod 3 between the detecting head 2 and the detecting body 1 accommodating the laser light path 11, wherein the driver 17 drives the telescopic rod 3 to elongate or Shortening, the detecting head 2 is moved along the optical axis of the laser beam path 11.
  • the detecting head 2 is separated from the detecting body 1 , and an electromagnet 19 is respectively disposed on a side of the detecting head 2 opposite to the detecting body 1 , wherein the driver The detection head 2 is moved along the optical axis of the laser light path 11 by adjusting the electromagnetic field strength of the electromagnet 19.
  • the terminal further includes a driver 17 configured to move the laser light path along the optical axis in accordance with the acquired distance.
  • the terminal further includes a processor 14 configured to change a focal length of the laser light path by a zooming manner.
  • the terminal further includes: a processor 14 configured to adjust a laser power to be irradiated to the substance to be detected based on the acquired distance, wherein the laser power irradiated to the substance to be detected is a set distance Increase function.
  • the laser power to be irradiated to the substance to be detected is proportional to the set distance.
  • modules or units of equipment for action execution are mentioned in the detailed description above, such division is not mandatory. Indeed, in accordance with embodiments of the present disclosure, the features and functions of two or more modules or units described above may be embodied in one module or unit. Conversely, the features and functions of one of the modules or units described above may be further divided into multiple modules or units.
  • the components displayed as modules or units may or may not be physical units, ie may be located in one place or may be distributed over multiple network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the wood disclosure scheme. Those of ordinary skill in the art can understand and implement without any creative effort.
  • a computer readable storage medium having stored thereon a computer program, the program being executable by the processor to implement the steps of the method of any one of the above embodiments.
  • the computer readable storage medium may be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, and an optical data storage device.
  • a computing device that can be applied to a server to be paired with a plurality of clients, and includes a processor, and a memory for storing executable instructions of the processor .
  • the processor is configured to cause the server to perform the steps of the method in any one of the above embodiments via execution of the executable instructions.
  • the computing device may be a mobile terminal such as a mobile phone or a tablet computer, or may be a terminal device such as a desktop computer or a server. This is not limited in this embodiment.
  • the example embodiments described herein may be implemented by software or by software in combination with necessary hardware. Therefore, the technical solution according to an embodiment of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a USB flash drive, a mobile hard disk, etc.) or on a network.
  • a non-volatile storage medium which may be a CD-ROM, a USB flash drive, a mobile hard disk, etc.
  • a number of instructions are included to cause a computing device (which may be a personal computer, server, touch terminal, or network device, etc.) to perform the above-described methods in accordance with embodiments of the present disclosure.

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Abstract

Un procédé pour effectuer une détection Raman sur une substance soumise à une détection, ledit procédé consistant à : déterminer que la substance soumise à la détection est une substance poudreuse (S110); obtenir une distance entre la substance soumise à la détection et un point focal de lumière laser d'un trajet de lumière laser (11) émis par une lumière laser utilisée pour la détection Raman pendant la réalisation de la détection Raman sur la substance soumise à la détection (S120); lors de la réalisation de la détection Raman sur la substance soumise à la détection, séparer la substance soumise à la détection et le point focal de lumière laser par la distance obtenue (S130).
PCT/CN2018/073098 2018-01-17 2018-01-17 Procédé et terminal pour effectuer une détection raman sur une substance pour détection WO2019140579A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/CN2018/073098 WO2019140579A1 (fr) 2018-01-17 2018-01-17 Procédé et terminal pour effectuer une détection raman sur une substance pour détection
CN201880000028.1A CN108401441A (zh) 2018-01-17 2018-01-17 对待检测物质进行拉曼检测的方法和终端

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Application Number Priority Date Filing Date Title
PCT/CN2018/073098 WO2019140579A1 (fr) 2018-01-17 2018-01-17 Procédé et terminal pour effectuer une détection raman sur une substance pour détection

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WO2019140579A1 true WO2019140579A1 (fr) 2019-07-25

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