批量化流水线中药材检测装置
By using a batch production line for Chinese medicinal materials testing, and combining a depth camera and a three-axis displacement platform with a laser-induced breakdown spectroscopy system, precise positioning and spectral data acquisition of Chinese medicinal materials samples are achieved. This solves the problems of long time consumption and low efficiency of traditional testing methods, and realizes efficient and accurate quality testing of Chinese medicinal materials.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NORTHWEST NORMAL UNIVERSITY
- Filing Date
- 2025-06-18
- Publication Date
- 2026-07-17
AI Technical Summary
Traditional methods for testing Chinese medicinal materials are time-consuming and inefficient, making it difficult to meet the needs of large-scale batch testing.
A batch production line testing device for Chinese medicinal materials is adopted, including a conveyor belt system, a laser-induced breakdown spectroscopy automatic focusing detection system, a depth camera, and a three-axis displacement platform. The depth camera acquires three-dimensional image information of the Chinese medicinal materials, and the three-axis displacement platform and the laser-induced breakdown spectroscopy system are combined to perform automatic focusing detection, so as to achieve precise positioning and spectral data acquisition of Chinese medicinal material samples. The main control unit analyzes the data to determine the qualification information of the samples.
It enables batch, efficient, and accurate quality testing of Chinese medicinal materials, meeting the quality control needs of modern production lines and improving testing efficiency and accuracy.
Smart Images

Figure CN224518550U_ABST
Abstract
Claims
1. A batched pipeline traditional Chinese medicine detection device, characterized in that, include: The system comprises a conveyor belt system, a laser-induced breakdown spectroscopy autofocus detection system, a main control unit, and a depth camera and a three-axis displacement platform fixed to a fixed frame; the laser-induced breakdown spectroscopy autofocus detection system is connected to the three-axis displacement platform; the main control unit is communicatively connected to the conveyor belt system, the laser-induced breakdown spectroscopy autofocus detection system, the depth camera, and the three-axis displacement platform, respectively. The conveyor belt system carries and transports the samples of Chinese medicinal materials to be tested. The depth camera acquires three-dimensional image information of the Chinese medicinal material sample to be detected and transmits the complete three-dimensional image information of the Chinese medicinal material sample to be detected to the main control unit. After receiving complete 3D image information, the main control unit controls the conveyor belt system to stop running; The triaxial displacement platform controls the laser-induced breakdown spectroscopy autofocus detection system to move to each detection point corresponding to the Chinese medicinal material sample to be tested, according to the detection task parameters, so that the laser-induced breakdown spectroscopy autofocus detection system can collect spectral data of the Chinese medicinal material sample to be tested and obtain the spectral data of the Chinese medicinal material; wherein, the detection task parameters are determined based on the three-dimensional image information; The main control unit analyzes the spectral data of the Chinese medicinal materials to determine the qualification information of the Chinese medicinal material sample to be tested.
2. The bulk pipeline traditional Chinese medicine detection device according to claim 1, characterized in that, The conveyor belt system includes: a conveyor belt drive module, a conveyor belt stepper motor, a conveyor belt drive pulley, a conveyor belt driven pulley, and a conveyor belt; The conveyor belt drive module is communicatively connected to the main control unit and is used to control the operation of the conveyor belt stepper motor. The conveyor belt stepper motor is used to drive the conveyor belt drive wheel, and the conveyor belt drive wheel is used to drive the conveyor belt driven wheel to rotate through the conveyor belt belt. The conveyor belt is used to carry the Chinese medicinal material sample to be tested.
3. The bulk pipeline traditional Chinese medicine detection device according to claim 1, characterized in that, The three-axis displacement platform includes: a three-axis displacement platform control module, an X-axis slider, an X-axis guide rail, an X-axis stepper servo motor, a Z-axis stepper servo motor, a Z-axis guide rail, a Z-axis slider, a Y-axis drive shaft, a Y-axis stepper servo motor, a left Y-axis slider, a left Y-axis guide rail, a right Y-axis slider, and a right Y-axis guide rail. The three-axis displacement platform control module controls the operation of the X-axis stepper servo motor, Z-axis stepper servo motor, and Y-axis stepper servo motor according to the detection task parameters, thereby controlling the movement of the X-axis slider, Y-axis slider, and Z-axis slider to achieve position control of the laser-induced breakdown spectrum autofocus detection system. The X-axis slider and the X-axis guide rail enable the movement of the laser-induced breakdown spectroscopy autofocus detection system along the X-axis. The Z-axis guide rail and the Z-axis slider enable the movement of the laser-induced breakdown spectroscopy autofocus detection system along the Z-axis. The left Y-axis slider, the left Y-axis guide rail, the Y-axis drive shaft, the right Y-axis slider, and the right Y-axis guide rail work together to enable the movement of the laser-induced breakdown spectroscopy autofocus detection system along the Y-axis.
4. The bulk pipeline traditional Chinese medicine detection device according to claim 3, characterized in that, The laser-induced breakdown spectrum autofocus detection system includes: a linear motor, a laser, a spectral signal acquisition optical path system, a laser range sensor, a laser focusing optical path system, a spectrometer, a linear motor guide rail, a linear motor slider, a linear motor driver, and a main control board. The laser, the spectral signal acquisition optical path system, the laser range sensor, and the laser focusing optical path system are mounted on the linear motor slider. The main control board controls the operation of the linear motor driver according to the detection task parameters sent by the main control unit. The linear motor driver is used to control the start, stop and movement of the linear motor. The linear motor is used to control the linear motor slider to slide on the linear motor guide rail, so as to control the laser, the spectral signal acquisition optical path system, the laser range sensor and the laser focusing optical path system to achieve automatic focusing function.
5. The bulk pipeline traditional Chinese medicine detection device according to claim 4, characterized in that, The laser is used to generate a high-energy laser beam, and the laser focusing optical path system focuses the laser beam generated by the laser so that the laser beam is focused on the detection point on the surface of the Chinese herbal medicine sample to be tested. The optical path system for acquiring spectral signals is used to collect the optical signals generated by the laser beam excitation and transmit the optical signals to the spectrometer; The spectrometer is used to perform spectral processing on the optical signal and convert the optical signal into spectral data.
6. The bulked pipeline traditional Chinese medicine detection device according to claim 5, characterized in that, The laser rangefinder detects the distance information between the Chinese medicinal material sample to be tested and the laser focal point of the laser emitted by the laser, and transmits the distance information to the main control board; The main control board generates distance adjustment feedback information based on the distance information and transmits the distance adjustment feedback information to the linear motor driver to ensure that the laser beam is focused on the detection point position on the surface of the Chinese herbal medicine sample to be detected.