CN114739972A - Raman spectrum non-invasive customs detection device - Google Patents
Raman spectrum non-invasive customs detection device Download PDFInfo
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- CN114739972A CN114739972A CN202210286449.3A CN202210286449A CN114739972A CN 114739972 A CN114739972 A CN 114739972A CN 202210286449 A CN202210286449 A CN 202210286449A CN 114739972 A CN114739972 A CN 114739972A
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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
Abstract
The invention belongs to the technical field of customs detection equipment, and discloses a Raman spectrum non-invasive customs detection device.A conveyor belt is fixed in the middle of a support frame, a detection bin is fixed on the upper side of the support frame, and two ends of the detection bin are respectively provided with an opening matched with the conveyor belt; the detection module and the main control module are fixed on the inner side of the detection bin, the detection module is used for collecting Raman spectrum data of the article to be detected by using a Raman spectrometer, and the Raman spectrometer is installed towards the conveyor belt; the cloud processing module is connected with the main control module and the monitoring terminal through wireless signals. The invention detects the types and components of the articles to be detected through Raman spectrum, is a spectrum measurement technology for analyzing the molecular structure by measuring the scattered light with different frequencies from the excited light based on Raman scattering effect, has high chemical specificity, can realize accurate analysis and identification of the material components, has simple integral structure and low cost, and effectively avoids the hidden trouble of X-ray leakage.
Description
Technical Field
The invention belongs to the technical field of customs detection equipment, and particularly relates to a Raman spectrum non-invasive customs detection device.
Background
At present, customs inspection work tasks are various under the situation that the economy of China is rapidly increased and the external trade is rapidly developed. The existing customs inspection modes are divided into five types: the method comprises the steps of box opening inspection, appearance inspection, machine inspection, thorough inspection and spot inspection. All the inspection modes except the machine inspection are manual inspection modes, the dependence on the experience of personnel is large, and the effect of customs inspection is directly influenced by the old inspection mode.
The existing customs inspection mode is an X-ray radiation imaging detection mode, the goods are scanned by using an X-ray radiation imaging inspection device, and whether the actual condition of the checked goods conforms to the declared content or not is analyzed according to the scanned and formed image. The equipment of the X-ray radiation imaging technology equipment is well known by the characteristics of high checking speed and no need of opening an outer package, but the X-ray radiation imaging technology equipment has the problems of large volume, large occupied space and higher equipment cost, and also has the hidden danger of X-ray leakage. Meanwhile, a single X-ray radiation imaging device can only give an alarm on the material attribute of a suspicious substance, cannot give the name of the substance on site, cannot effectively distinguish the substances such as plastics, jewels, rare earth and the like, and cannot identify the effective substances of the substances needing to be tested again.
Through the above analysis, the problems and defects of the prior art are as follows:
(1) the existing customs inspection device has the problems of large volume, large occupied space and higher equipment cost, and also has the hidden danger of X-ray leakage.
(2) A single X-ray radiation imaging device can only give an alarm on the material attribute of a suspicious substance, cannot give the name of the substance on site, cannot effectively distinguish the substances such as plastics, jewels, rare earth and the like, and cannot identify the effective substances of the substances needing to be tested again.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a Raman spectrum non-invasive customs inspection device.
The Raman spectrum non-invasive customs inspection device comprises a supporting frame, a conveying module, an inspection module, a main control module, a cloud processing module and a monitoring terminal, wherein the conveying module is used for conveying a Raman spectrum to the inspection module;
the conveying module is provided with a conveying belt, the conveying belt is fixed in the middle of a supporting frame, a detection bin is fixed on the upper side of the supporting frame, and openings matched with the conveying belt are formed in two ends of the detection bin respectively;
the detection module and the main control module are fixed on the inner side of the detection bin, the detection module is used for collecting Raman spectrum data of an article to be detected by using a Raman spectrometer, and the Raman spectrometer is installed towards the conveyor belt;
the main control module is used for performing coordination control on the operation of the whole device by using the controller;
the cloud processing module is connected with the main control module and the monitoring terminal through wireless signals and used for further detecting and analyzing the collected Raman spectrum data by using the cloud server and feeding detection results back to the monitoring terminal.
Further, a plurality of Raman spectrometers are installed at the upper end of the inner side of the detection bin, and the plurality of Raman spectrometers are distributed in a horizontal equidistant mode.
Further, a main control box is installed at the upper end of the inner side of the detection bin, the controller is installed on the inner side of the main control box, and a plurality of connecting ports are formed in the outer side of the main control box.
Furthermore, the inner side of the main control box is also provided with a signal transmission module, and the signal transmission module is used for being connected with the cloud server and the monitoring terminal in a wired or wireless transmission mode.
Further, the outer side of the detection bin is embedded with a control panel, and the control panel is connected with the main control module through a connecting circuit.
Furthermore, the support frame is provided with an inclined sliding plate on one side of the output end of the conveyor belt, and one end of the inclined sliding plate is connected with the support frame through a rotating shaft.
Further, the conveying module is provided with a counting unit, and the counting unit is provided with a grating counter arranged on the side face of the conveying belt and used for counting the number of the detected articles by using the grating counter.
Further, the main control module is also connected with a storage module, and the storage module is used for storing the control parameters and the standard Raman spectrum data by using a memory.
Further, the standard raman spectrum data is preset standard spectrogram data of raman spectra of various different substances.
Further, the specific steps of the raman spectrum non-invasive customs inspection device for inspection include:
placing an article to be detected at the input end of a conveyor belt, and driving the article to be detected to enter a detection bin by the conveyor belt;
secondly, collecting Raman spectrum data of the article to be detected by a Raman spectrometer in the detection bin, and transmitting the Raman spectrum data to a controller;
step three, the controller compares the received Raman spectrum data of the article to be detected with pre-stored standard Raman spectrum data, and determines the standard Raman spectrum data associated with the Raman spectrum data of the article to be detected;
confirming the material type of the article to be detected according to the determined standard Raman spectrum data, and sending the confirmed material type to a monitoring terminal for displaying;
and step five, the controller simultaneously transmits the Raman spectrum data of the article to be detected to the cloud server, the cloud server further performs detection analysis on the collected Raman spectrum data, and the detection result is fed back to the monitoring terminal.
In combination with the technical solutions and the technical problems to be solved, please analyze the advantages and positive effects of the technical solutions to be protected in the present invention from the following aspects:
first, aiming at the technical problems existing in the prior art and the difficulty in solving the problems, the technical problems to be solved by the technical scheme of the present invention are closely combined with the technical scheme to be protected and the results and data in the research and development process, and some creative technical effects brought after the problems are solved are analyzed in detail and deeply. The specific description is as follows:
the invention detects the types and components of the articles to be detected through Raman spectrum, is a spectrum measurement technology for analyzing the molecular structure by measuring the scattered light with different frequencies from the excited light based on Raman scattering effect, has high chemical specificity, can realize accurate analysis and identification of the material components, has simple integral structure and low cost, and effectively avoids the hidden trouble of X-ray leakage.
Secondly, considering the technical scheme as a whole or from the perspective of products, the technical effect and advantages of the technical scheme to be protected by the invention are specifically described as follows:
the invention can accurately identify the substance components of the article to be detected in a non-invasive manner, and improves the detection efficiency and accuracy.
Drawings
Fig. 1 is a schematic structural diagram of a raman spectroscopy noninvasive customs inspection apparatus provided in an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a master control box according to an embodiment of the present invention.
Fig. 3 is a flowchart of a method for detecting by the raman spectroscopy noninvasive customs inspection device according to the embodiment of the present invention.
In the figure: 1. a support frame; 2. a conveyor belt; 3. a detection bin; 4. a Raman spectrometer; 5. a master control box; 6. an opening; 7. a grating counter; 8. a tilting slide plate; 9. a connection port; 10. a signal transmission module; 11. and a controller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Illustrative embodiments are explained. This section is an explanatory embodiment expanding on the claims so as to fully understand how the present invention is embodied by those skilled in the art.
As shown in fig. 1 and fig. 2, the raman spectrum non-invasive customs inspection apparatus provided in the embodiment of the present invention includes a supporting frame 1, a conveying module, an inspection module, a main control module, a cloud processing module, and a monitoring terminal;
the conveying module is provided with a conveying belt 2, the conveying belt 2 is fixed in the middle of a supporting frame 1, a detection bin 3 is fixed on the upper side of the supporting frame 1, and openings 6 matched with the conveying belt are respectively formed in two ends of the detection bin 3; the detection module and the main control module are both fixed inside the detection bin, the detection module is used for collecting Raman spectrum data of an article to be detected by using a Raman spectrometer 4, and the Raman spectrometer 4 is installed towards the conveyor belt 2; the main control module is used for performing coordination control on the operation of the whole device by using the controller; the cloud processing module is connected with the main control module and the monitoring terminal through wireless signals and used for further detecting and analyzing the collected Raman spectrum data by using the cloud server and feeding detection results back to the monitoring terminal.
The upper end of the inner side of the detection bin 3 in the embodiment of the invention is provided with a plurality of Raman spectrometers which are horizontally distributed at equal intervals.
In the embodiment of the invention, a main control box 5 is arranged at the upper end of the inner side of a detection bin 3, a controller is arranged at the inner side of the main control box 5, and a plurality of connecting ports 9 are arranged at the outer side of the main control box 5.
The inside of the main control box 5 in the embodiment of the invention is also provided with a signal transmission module 10, and the signal transmission module is used for being connected with a cloud server and a monitoring terminal in a wired or wireless transmission mode.
The outer side of the detection bin 3 in the embodiment of the invention is embedded with a control panel, and the control panel is connected with the main control module through a connecting circuit.
The support frame 1 in the embodiment of the invention is provided with an inclined sliding plate 8 at one side of the output end of the conveyor belt, and one end of the inclined sliding plate is connected with the support frame through a rotating shaft.
The conveying module in the embodiment of the invention is provided with a counting unit, and the counting unit is provided with a grating counter 7 arranged on the side surface of the conveying belt and used for counting the number of detected articles by using the grating counter 7.
The main control module in the embodiment of the invention is also connected with a storage module, and the storage module is used for storing the control parameters and the standard Raman spectrum data by using a memory.
The standard raman spectrum data in the embodiment of the invention is preset standard spectrogram data of raman spectra of various different substances.
As shown in fig. 3, the specific steps of the raman spectroscopy noninvasive customs inspection apparatus in the embodiment of the present invention include:
s101, placing an article to be detected at the input end of a conveyor belt, and driving the article to be detected to enter a detection bin by the conveyor belt;
s102, collecting Raman spectrum data of the article to be detected by a Raman spectrometer in the detection bin, and transmitting the Raman spectrum data to a controller;
s103, the controller compares the received Raman spectrum data of the article to be detected with pre-stored standard Raman spectrum data, and determines the standard Raman spectrum data associated with the Raman spectrum data of the article to be detected;
s104, confirming the material type of the article to be detected according to the determined standard Raman spectrum data, and sending the confirmed material type to a monitoring terminal for displaying;
and S105, the controller simultaneously transmits the Raman spectrum data of the article to be detected to the cloud server, the cloud server further performs detection analysis on the collected Raman spectrum data, and the detection result is fed back to the monitoring terminal.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The Raman spectrum non-invasive customs inspection device is characterized by comprising a supporting frame, a conveying module, an inspection module, a main control module, a cloud processing module and a monitoring terminal;
the conveying module is provided with a conveying belt, the conveying belt is fixed in the middle of a supporting frame, a detection bin is fixed on the upper side of the supporting frame, and openings matched with the conveying belt are formed in two ends of the detection bin respectively;
the detection module and the main control module are fixed on the inner side of the detection bin, the detection module is used for collecting Raman spectrum data of an article to be detected by using a Raman spectrometer, and the Raman spectrometer is installed towards the conveyor belt;
the main control module is used for performing coordination control on the operation of the whole device by using the controller;
the cloud processing module is connected with the main control module and the monitoring terminal through wireless signals and used for further detecting and analyzing the collected Raman spectrum data by using the cloud server and feeding detection results back to the monitoring terminal.
2. The raman spectroscopy noninvasive customs inspection apparatus of claim 1, wherein a plurality of raman spectrometers are installed at an upper end of an inner side of the inspection chamber, and the plurality of raman spectrometers are horizontally equidistantly distributed.
3. The raman spectroscopy noninvasive customs inspection apparatus of claim 1, wherein a main control box is installed at an upper end of an inner side of the inspection chamber, the controller is installed at an inner side of the main control box, and a plurality of connection ports are opened at an outer side of the main control box.
4. The Raman spectrum non-invasive customs inspection apparatus according to claim 3, wherein a signal transmission module is further disposed inside the main control box, and the signal transmission module is configured to be connected to the cloud server and the monitoring terminal by a wired or wireless transmission method.
5. The Raman spectrum non-invasive customs inspection apparatus according to claim 1, wherein a control panel is embedded outside the inspection chamber, and the control panel is connected to the main control module through a connection line.
6. The raman spectroscopy noninvasive customs inspection apparatus of claim 1, wherein the support frame is provided with an inclined slide plate at an output end side of the conveyor belt, the inclined slide plate being connected at one end to the support frame by a pivot.
7. Raman spectroscopy non-invasive customs inspection apparatus according to claim 1, wherein said conveyor module is provided with a counting unit provided with a grating counter mounted on the side of the conveyor belt for counting the number of inspected items using the grating counter.
8. The raman spectroscopy noninvasive customs inspection device of claim 1, wherein the master control module is further coupled to a storage module for storing the control parameters and the standard raman spectroscopy data using a memory.
9. The raman spectroscopy noninvasive customs inspection apparatus of claim 8, wherein the standard raman spectroscopy data is standard spectrum data of raman spectroscopy of predetermined various substances.
10. The raman spectroscopy noninvasive customs inspection device of claim 1, wherein the specific steps of performing inspection by the raman spectroscopy noninvasive customs inspection device comprise:
placing an article to be detected at the input end of a conveyor belt, and driving the article to be detected to enter a detection bin by the conveyor belt;
secondly, collecting Raman spectrum data of the article to be detected by a Raman spectrometer in the detection bin, and transmitting the Raman spectrum data to a controller;
step three, the controller compares the received Raman spectrum data of the article to be detected with pre-stored standard Raman spectrum data, and determines the standard Raman spectrum data associated with the Raman spectrum data of the article to be detected;
confirming the material type of the article to be detected according to the determined standard Raman spectrum data, and sending the confirmed material type to a monitoring terminal for displaying;
and step five, the controller simultaneously transmits the Raman spectrum data of the article to be detected to the cloud server, the cloud server further performs detection analysis on the collected Raman spectrum data, and the detection result is fed back to the monitoring terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210286449.3A CN114739972A (en) | 2022-03-23 | 2022-03-23 | Raman spectrum non-invasive customs detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210286449.3A CN114739972A (en) | 2022-03-23 | 2022-03-23 | Raman spectrum non-invasive customs detection device |
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| CN114739972A true CN114739972A (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210286449.3A Pending CN114739972A (en) | 2022-03-23 | 2022-03-23 | Raman spectrum non-invasive customs detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116539531A (en) * | 2023-05-13 | 2023-08-04 | 奥岚仪器(北京)有限公司 | Device for combining spectrometer with other instruments and application thereof |
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2022
- 2022-03-23 CN CN202210286449.3A patent/CN114739972A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116539531A (en) * | 2023-05-13 | 2023-08-04 | 奥岚仪器(北京)有限公司 | Device for combining spectrometer with other instruments and application thereof |
| CN116539531B (en) * | 2023-05-13 | 2024-03-19 | 奥岚仪器(北京)有限公司 | Device for combining spectrometer with other instruments and application thereof |
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