Sampling system for online spectral analysis

Abstract

The utility model relates to the field of industrial automation equipment, in particular to a sampling system for online spectral analysis. The system comprises a sample loading device, a sampling device and an evaluator system, the sample loading device comprises a sample loading conveying belt mechanism and a spectrum analyzer and is used for collecting spectrum data information of sample incoming objects, and the sampling device comprises a driving part and a sample storage rotating disc and is used for storing and packaging the sampled objects; and the evaluator system is responsible for analyzing spectral data and controlling the operation of the whole system. The system can automatically carry out spectral analysis and quality evaluation on the sample articles, improve the production efficiency, ensure the product quality and reduce human errors.

Description

Technical Field

[0001] This application relates to the field of industrial automation, specifically to an online spectral analysis sampling system for automatically performing spectral analysis and quality assessment on incoming samples. Background Technology

[0002] Spectroscopic analysis is a commonly used technique for analyzing materials. It involves performing spectral analysis on samples to determine their chemical composition and material properties. This technology is widely used in industrial production, providing rapid and accurate analytical results that help optimize production processes, improve product quality, and reduce costs. Current online spectral analysis sampling methods are primarily manual, involving manual sample extraction and insertion into the spectral analysis device, followed by spectral acquisition, analysis, and modeling. This reliance on manual operation for spectral analysis and quality assessment is not only inefficient but also susceptible to human error, leading to inaccurate results. Therefore, developing an automated online spectral analysis sampling system is crucial for improving production efficiency and product quality. Utility Model Content

[0003] The purpose of this application is to provide an online spectral analysis sampling system that can automatically perform spectral analysis and quality assessment on incoming samples, thereby improving production efficiency, ensuring product quality, and reducing human error.

[0004] To achieve the above objectives, this application provides the following technical solution:

[0005] A sampling system for online spectral analysis includes a sample loading device, a sampling device, and an evaluation system;

[0006] The sample carrying device includes a sample conveyor belt mechanism and a spectrometer;

[0007] The inlet end of the sample conveyor belt mechanism is connected to transport the incoming sample; the sample conveyor belt mechanism is equipped with a spectrometer, which is connected to the evaluation system. The spectrometer is used to collect and analyze the spectral data of the incoming sample transported from the sample conveyor belt mechanism and transmit it to the evaluation system. The evaluation system analyzes and evaluates the spectral data of the incoming sample.

[0008] The sampling device includes a driving component and a sample storage turntable. The driving component is connected to the sample storage turntable to provide the power required for the rotation of the sample storage turntable. Multiple sample storage containers are distributed along the circumference of the sampling turntable.

[0009] The sampling device and the sample loading device are further provided with a transition transfer belt mechanism; the transition transfer belt mechanism is vertically arranged at the discharging end of the sample loading conveyor belt mechanism, one end of the transition transfer belt mechanism is connected to the sample storage turntable to serve as a transfer for sample input; the other end of the transition transfer belt mechanism is used for sample output transfer;

[0010] The driving members of the sample loading conveyor belt mechanism, the transition transfer belt mechanism and the sampling device are electrically connected with the evaluation instrument system, and the evaluation instrument system controls the operation of the sample loading conveyor belt mechanism, the transition transfer belt mechanism and the sampling device according to the analysis result of the spectral data information of the sample.

[0011] Further, the sample loading conveyor belt mechanism is used as a symmetric axis, and the two ends of the transition transfer belt mechanism are symmetrically arranged about the sample loading conveyor belt mechanism.

[0012] Further, the bottom of the center of the sample storage turntable is provided with a rotating shaft; the driving member is a rotary motor, and the output shaft of the rotary motor is connected with the rotating shaft through a shaft coupling or a transmission mechanism. The transmission mechanism includes one of a gear transmission mechanism, a belt transmission mechanism or a chain transmission mechanism.

[0013] Further, the spectral analyzer includes at least one light source and at least one detector, the light source is used for irradiating the sample, and the detector is used for receiving the spectral signal reflected or transmitted by the sample.

[0014] Further, the evaluation instrument system includes a data processing unit and a host computer, the data processing unit is in communication connection with the host computer, the data processing unit is used for processing spectral data information, and the host computer is used for controlling the operation of the sample loading conveyor belt mechanism, the transition transfer belt mechanism and the sampling device according to the processing result.

[0015] Further, the data processing unit includes a high-performance FPGA module, the FPGA module can realize the calculation of spectral data to LCH color value, and upload the result to the host computer.

[0016] Further, the evaluation instrument system can automatically adjust the irradiation intensity of the light source and the sensitivity of the detector according to the result of the spectral data information.

[0017] Further, the sampling system for online spectral analysis further includes an abnormality processing unit for automatically stopping the sample loading conveyor belt mechanism when the spectral data information is abnormal, and issuing an alarm signal.

[0018] Further, the abnormality processing unit includes a channel controller based on the data processing unit, and an acousto-optic alarm.

[0019] Further, the sample loading conveyor belt mechanism and the transition transfer belt mechanism are both conveyor belt conveying devices.

[0020] Compared with the prior art, the scheme has the following beneficial effects:

[0021] The sampling system for online spectral analysis of the application realizes automatic transfer of sample materials through the sample carrying conveyor belt mechanism in the sample carrying device. The spectral analyzer installed on the sample carrying conveyor belt mechanism can perform spectral analysis on the sample materials, thereby realizing continuous online spectral analysis of the sample materials. The sample materials enter from the feeding end of the sample carrying conveyor belt mechanism, are transferred and conveyed to the position of the spectral analyzer for measurement. After the test is completed, the test data are transmitted to the evaluation instrument system, which analyzes the spectral data of the test and evaluates whether the sampling information result is correct. If sampling is required, the sample materials output by the sample carrying conveyor belt mechanism are conveyed to the sample storage container of the sample storage turntable in the sampling device by the transition conveyor belt mechanism. If sampling is not required, the sampling process is not started, and the sample materials output by the sample carrying conveyor belt mechanism are conveyed from the other end by the transition conveyor belt mechanism and flow into the next process.

[0022] The sampling system for online spectral analysis of the application has the following advantages: high automation, the system can automatically perform spectral analysis and quality evaluation on sample materials, reducing manual operation and improving production efficiency; high accuracy, the influence of human factors is reduced through automatic spectral analysis and quality evaluation, improving the accuracy of the analysis result; good flexibility, the system can automatically adjust the sampling and storage process according to the evaluation result, adapting to different production requirements; low maintenance cost, the design of the system simplifies the maintenance process and reduces the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only some embodiments of the application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0024] Figure 1 The structure diagram of the sampling system for online spectral analysis of the application is shown in the figure.

[0025] Figure 2 The arrangement diagram of the spectral analyzer and the sample carrying conveyor belt mechanism is shown in the figure. Figure 1

[0026] Among them, 1, spectral analyzer, 2, evaluation instrument system, 3, sample carrying conveyor belt mechanism, 4, transition conveyor belt mechanism, 5, sample storage turntable, 501, sample storage container; 10, machine shell, 20, optical window, 30, light source, 40, detector. DETAILED DESCRIPTION ​

[0027] In order for those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly disposed on the other element; when an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0029] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0030] In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of", "several" is two or more, unless otherwise explicitly specified.

[0031] It should be understood that the structures, proportions, sizes, etc. shown in the drawings of the present application are only used to cooperate with the content disclosed in the specification, to enable those skilled in the art to understand and read, and are not used to limit the conditions that can be implemented by the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, which does not affect the effect and purpose that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application.

[0032] The embodiments of the present application are written in a progressive manner.

[0033] Referring to Figure 1 The utility model provides a kind of sampling system of online spectrum analysis, including sample carrying device, sampling device and evaluation instrument system 2;

[0034] The sample carrying device includes sample carrying conveyor belt mechanism 3 and spectrum analyzer 1;

[0035] The sample-carrying conveying belt mechanism is connected to the conveying of the sample objects; the sample-carrying conveying belt mechanism is provided with a spectrum analyzer, which is in communication connection with the evaluation instrument system, and is used for collecting and analyzing the spectrum data information of the sample objects conveyed from the sample-carrying conveying belt mechanism and transmitting the spectrum data information to the evaluation instrument system, and the evaluation instrument system analyzes and evaluates the spectrum data information of the sample objects;

[0036] The sampling device comprises a driving member and a sample storage turntable 5, the driving member is connected with the sample storage turntable to provide the power required for the rotation of the sample storage turntable; a plurality of sample storage containers 501 are arranged along the circumference of the sampling turntable;

[0037] The sampling device and the sample-carrying device are further provided with a transition transfer conveying belt mechanism 4; the transition transfer conveying belt mechanism is vertically arranged at the discharge end of the sample-carrying conveying belt mechanism, one end of the transition transfer conveying belt mechanism is connected to the sample storage turntable to serve as the transfer of the sample input of the sample objects; the other end of the transition transfer conveying belt mechanism is used for the transfer of the output of the sample objects;

[0038] The driving members of the sample-carrying conveying belt mechanism, the transition transfer conveying belt mechanism and the sampling device are in electrical connection with the evaluation instrument system, and the evaluation instrument system controls the operation of the sample-carrying conveying belt mechanism, the transition transfer conveying belt mechanism and the sampling device according to the results of analyzing the spectrum data information of the sample objects.

[0039] The sampling system for online spectrum analysis of the present application realizes the automatic transfer of the sample objects through the sample-carrying conveying belt mechanism in the sample-carrying device, the spectrum analyzer installed on the sample-carrying conveying belt mechanism can perform spectrum analysis on the sample objects, so that the continuous online spectrum analysis of the sample objects can be realized; the sample objects enter from the inlet end of the sample-carrying conveying belt mechanism, are conveyed and transferred to the position of the spectrum analyzer for measurement; after the test is completed, the test data are transmitted to the evaluation instrument system, the evaluation instrument system analyzes the spectrum data of the test and evaluates the information results of whether sampling is needed; if sampling is needed, the sample objects output from the sample-carrying conveying belt mechanism are conveyed to the sample storage containers of the sample storage turntable in the sampling device for storage; if sampling is not needed, the sampling process is not started, and the sample objects output from the sample-carrying conveying belt mechanism are conveyed from the other end of the transition transfer conveying belt mechanism to flow into the next process.

[0040] It should be noted that the sample-carrying conveying belt mechanism and the transition transfer conveying belt mechanism are both conveying belt conveying devices; the conveying belt conveying device is a prior art device, which comprises a conveying frame, driving rollers and transmission rollers arranged at both ends of the conveying frame, and a conveying belt sleeved on the driving rollers and the transmission rollers; the driving rollers are connected with a conveying motor to provide power. It can be understood that the spectrum analyzer is installed on the conveying frame and located above the conveying belt.

[0041] Further, the sample conveying belt mechanism is the symmetry axis, and the transition connection belt mechanisms are symmetrically arranged about the sample conveying belt mechanism.

[0042] Further, the bottom of the center of the sample storage turntable is provided with a rotating shaft; the driving member is a rotary motor, and the output shaft of the rotary motor is connected with the rotating shaft through a shaft coupling or through a transmission mechanism. The transmission mechanism includes one of a gear transmission mechanism, a belt transmission mechanism, or a chain transmission mechanism. Taking the gear transmission mechanism as an example, a driven gear is arranged on the rotating shaft, and a driving gear is arranged on the output shaft of the rotary motor, and the driving gear and the driven gear are engaged with each other.

[0043] It can be understood that the sample conveying belt mechanism and the transition connection belt mechanism, and the driving member rotary motor are connected with the evaluation instrument system and connected with the host computer of the evaluation instrument system.

[0044] Further, the evaluation instrument system can automatically adjust the illumination intensity of the light source and the sensitivity of the detector according to the result of the spectral data information.

[0045] Further, the spectral analyzer includes at least one light source and at least one detector, the light source is used for irradiating the sample object, and the detector is used for receiving the spectral signal reflected or transmitted by the sample object. Details are shown in Figure 2 The figure is a layout diagram of the spectral analyzer and the sample conveying belt mechanism of the present application; in the figure, the number 10 is the machine shell of the spectral analyzer, the number 20 is the optical window, the number 30 is the light source, and the number 40 is the detector; the light emitted by the light source can pass through the optical window and irradiate the sample object on the sample conveying belt mechanism.

[0046] The evaluation instrument system includes a data processing unit and a host computer, and the light source and the detector are electrically connected with the data processing unit and the host computer; the data processing unit is in communication connection with the host computer, the data processing unit is used for processing spectral data information, and the host computer is used for controlling the operation of the sample conveying belt mechanism, the transition connection belt mechanism, and the sampling device according to the processing result.

[0047] The data processing unit includes a high-performance FPGA module, the FPGA module can realize the calculation of spectral data to LCH color values, and upload the result to the host computer.

[0048] The sampling system of the online spectral analysis of the present application also includes an abnormality processing unit, which is used for automatically stopping the sample conveying belt mechanism when the spectral data information is abnormal, and issuing an alarm signal.

[0049] Further, the abnormality processing unit includes a channel controller based on the data processing unit, and an acousto-optic alarm.

[0050] In the evaluation instrument system, the processor on board the data processing unit is a high-performance FPGA module. The module is connected to the host computer and is responsible for calculating the spectral data into LCH color values and uploading the results to the host computer. The connection between the FPGA module and the host computer is usually achieved through a high-speed serial interface or a dedicated data bus to ensure the speed and accuracy of data transmission. The communication between the FPGA module and the host computer can also use a PCIe interface or an Ethernet interface,

[0051] The abnormal data processing unit is connected with the channel controller, and the audible and visual alarm is installed on the conveying frame of the conveying belt mechanism or the shell of the spectral analyzer. The audible and visual alarm includes a power line and a signal line. The power line is connected to the power supply terminal of the host computer, and the signal line is connected to the channel controller.

[0052] The channel controller is connected with the spectral analyzer to read the hardware device information of the spectral analyzer to determine whether the device is working normally. For example, by reading the hardware information of the light source, it can be determined whether the light source of the spectral analyzer is emitting light normally. The channel controller is also connected with the host computer through a bus or Ethernet to monitor the communication status between the channel controller and the host computer, ensuring the continuity and integrity of data transmission. For example, if the communication between the spectral analyzer and the evaluation instrument system is abnormal, the channel controller will generate an abnormal signal to the audible and visual alarm. The channel controller in the abnormal data processing unit is responsible for monitoring the system status and sending a signal to the audible and visual alarm when an abnormality is detected, realizing audible and visual alarm.

[0053] It should be noted that the spectral analyzer-evaluation instrument system of the present application is a prior art solution for evaluating and analyzing sample items. The spectral analyzer, channel controller, high-performance FPGA module and host computer in the evaluation instrument system are all prior art components. The communication control connection between the above components is configured in accordance with existing technical standards.

[0054] The online spectral analysis sampling system of the present application has high automation: the system can automatically perform spectral analysis and quality evaluation on sample items, reducing manual operation and improving production efficiency. It is accurate: through automatic spectral analysis and quality evaluation, the influence of human factors is reduced, and the accuracy of the analysis results is improved. It is flexible: the system can automatically adjust the sampling and storage process according to the evaluation results to adapt to different production needs. It has low maintenance cost: the design of the system simplifies the maintenance process and reduces the maintenance cost.

[0055] The foregoing description of the disclosed embodiments enables a person skilled in the art to make or use the application. Modifications of these embodiments will occur to persons of skill in the art, and that the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Therefore, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A sampling system for online spectroscopic analysis, characterized in that The system comprises a sample loading device, a sample extracting device and an evaluation instrument system; The sample loading device comprises a sample loading conveyor mechanism and a spectral analyzer; The sample loading conveyor mechanism is connected to the spectral analyzer, which is used to collect spectral data information of the sample and transmit it to the evaluation instrument system. The sample extracting device comprises a driving element and a sample storage turntable. The sample extracting device and the sample loading device are connected by a transition conveyor mechanism. The driving element of the sample loading conveyor mechanism, the transition conveyor mechanism and the sample extracting device are connected to the evaluation instrument system.

2. The sampling system for online spectroscopic analysis of claim 1, wherein, The transition conveyor mechanism is symmetrically arranged about the sample loading conveyor mechanism.

3. The sampling system for online spectroscopic analysis of claim 1, wherein, The driving element is a rotary motor.

4. The sampling system for online spectroscopic analysis of claim 2, wherein, The spectral analyzer comprises at least one light source and at least one detector.

5. A sampling system for on-line spectroscopic analysis according to any one of claims 1 to 4, characterised in that The evaluation instrument system comprises a data processing unit and a host computer.

6. A sampling system for online spectroscopic analysis according to claim 5, characterized in that The data processing unit is used to process spectral data information, and the host computer is used to control the operation of the sample loading conveyor mechanism, the transition conveyor mechanism and the sample extracting device according to the processing result.

7. The sampling system for online spectroscopic analysis of claim 5, wherein, The data processing unit comprises a high-performance FPGA module, which can calculate the spectral data to LCH color values and upload the result to the host computer.

8. The sampling system for online spectroscopic analysis according to any one of claims 1-4, 6-7, characterized in that, The evaluation instrument system can automatically adjust the illumination intensity of the light source and the sensitivity of the detector according to the result of the spectral data information.

9. A sampling system for online spectroscopic analysis according to claim 8, characterized in that The evaluation instrument system further comprises an abnormality processing unit, which is used to automatically stop the sample loading conveyor mechanism when the spectral data information is abnormal and send an alarm signal.

10. The sampling system for online spectral analysis according to any of claims 1-4, 6-7, 9, characterized in that, The abnormality processing unit comprises a channel controller based on the data processing unit and an audible and visual alarm. The sample loading conveyor mechanism and the transition conveyor mechanism are conveyor belt conveying devices.

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