HPLC module automatic detection device based on image recognition

Abstract

The utility model discloses an automatic HPLC (High Performance Liquid Chromatography) module detection device based on image recognition. The automatic HPLC module detection device comprises a frame, the tray is arranged in the frame, a groove for supporting a plurality of HPLC modules is formed in the tray, and an appearance recognition detection position suitable for carrying out image bar code recognition on the HPLC modules is arranged in the frame; the image acquisition assembly is used for acquiring image bar code information on the tops of the plurality of HPLC modules on the tray; the upper computer is used for inputting preset parameter information of the HPLC module and sending a control instruction; and the electric control system is respectively connected with the upper computer and the image acquisition assembly, and is used for receiving and processing the signal, comparing the actually acquired image bar code information with the input preset parameter information of the HPLC module, and reporting the result to the upper computer. According to the utility model, the plurality of HPLC module placing grooves are arranged on the tray, the batch detection of the HPLC modules is realized, the detection efficiency is high, the number of the detected HPLC modules can be adjusted as required, and the applicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to an automatic detection device for HPLC modules based on image recognition. Background Art

[0002] In the current HPLC module production process, the appearance inspection and communication inspection of the barcode usually use the scanning results of the infrared barcode scanner as the trigger condition, and communicate with the module through the host computer software + serial communication to check or set / compare parameters. Assuming a single-station operation, the operator uses an infrared barcode scanner to scan the barcodes one by one and then test, and 4 modules can be tested at a time. This is the current relatively mainstream test process step. This test method will have the following problems:

[0003] 1. The infrared barcode scanner needs to identify the barcodes of the modules one by one; as the number of modules increases, the number of scans also needs to increase accordingly; the number of modules that can be tested at a single station is limited, and the test efficiency is low.

[0004] 2. There is no anti-mistake measure for scanning codes at the workstation, which may easily lead to the problem of misalignment of the code scanning gun. Utility Model Content

[0005] The purpose of the utility model is to provide an automatic detection device for HPLC modules based on image recognition, so as to solve the problems of low detection efficiency, time and labor consumption, and easy misalignment of code scanning guns proposed in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic detection device for HPLC modules based on image recognition, comprising a frame;

[0007] A tray, the tray is arranged inside the frame, and a slot for supporting a plurality of HPLC modules is provided on the tray, and an appearance recognition detection position suitable for performing image barcode recognition on the HPLC modules is provided inside the frame;

[0008] An image acquisition component, disposed at the appearance recognition detection position, for collecting image barcode information on the tops of the plurality of HPLC modules located on the tray;

[0009] A host computer, used to input preset parameter information of the HPLC module and send control instructions;

[0010] The electronic control system is connected to the host computer and the image acquisition component respectively, and is used to receive and process signals, compare the image barcode information actually collected with the preset parameter information of the input HPLC module, and report the results to the host computer.

[0011] Preferably, the image acquisition component includes an industrial camera and a light source device, the industrial camera is electrically connected to the electronic control system and sends the collected image barcode information of the tops of multiple HPLC modules to the electronic control system, and the light source device irradiates toward the top of the HPLC module and provides light source.

[0012] Preferably, the electronic control system includes an image barcode recognition technology module, which is used for barcode recognition, automatic frame-by-frame analysis of image data, automatic recognition of different information, and processing of graphic rotation changes.

[0013] Preferably, a pressing mechanism is provided in the frame and directly above the tray, and the pressing mechanism is used to limit the positions of the multiple HPLC modules on the tray one by one.

[0014] Preferably, the pressing mechanism includes a pressing plate horizontally arranged above the tray, a plurality of limiting grooves are evenly opened on the pressing plate, and the plurality of limiting grooves correspond one by one to the positions of a plurality of HPLC modules, and lifting cylinders are arranged at the four corners of the bottom surface of the pressing plate.

[0015] Compared with the prior art, the advantages and benefits of this utility model are:

[0016] 1. The utility model is provided with a plurality of HPLC module placement slots on the tray, so as to realize batch detection of HPLC modules, with high detection efficiency, and the number of HPLC modules to be tested can be adjusted as needed, thereby improving the applicability of the device;

[0017] 2. The utility model is provided with an image acquisition component, which cooperates with a host computer and an electronic control system to realize automatic recognition and detection of multiple HPLC modules. While improving the detection efficiency, it can avoid the problem of misalignment of the barcode scanner, thereby reducing the false detection rate from the side, saving labor costs and time, and is simple and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0019] In the figure: 1. frame; 2. image acquisition component; 3. tray; 4. HPLC module; 5. pressing mechanism; 51. pressing plate; 52. limiting groove; 53. lifting cylinder; 6. appearance recognition detection position. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1 ,The utility model provides a technical solution: an automatic detection device for HPLC modules based on image recognition, comprising a frame 1;

[0022] The tray 3 is arranged inside the frame 1, and the tray 3 is provided with slots for supporting a plurality of HPLC modules 4, and the frame 1 is provided with an appearance recognition detection position 6 suitable for performing image barcode recognition on the HPLC modules 4;

[0023] The utility model is provided with a plurality of HPLC module 4 placement slots on the tray 3, so as to realize batch detection of the HPLC modules 4, with high detection efficiency, and the number of the HPLC modules 4 to be detected can be adjusted as needed, thereby improving the applicability of the device;

[0024] An image acquisition component 2, disposed at the appearance recognition detection position 6, is used to collect image barcode information on the top of a plurality of HPLC modules 4 located on the tray 3;

[0025] The host computer is used to input preset parameter information of the HPLC module 4 and send control instructions;

[0026] The electronic control system is connected to the host computer and the image acquisition component 2 respectively, and is used to receive and process signals, compare the image barcode information actually collected with the preset parameter information of the input HPLC module 4, and report the results to the host computer.

[0027] The utility model is provided with an image acquisition component 2, which cooperates with a host computer and an electronic control system to realize automatic recognition and detection of multiple HPLC modules 4. While improving the detection efficiency, it can avoid the problem of misalignment of the barcode scanning gun, thereby reducing the false detection rate from the side, saving labor costs and time, and is simple and easy to operate.

[0028] As a preferred embodiment, the image acquisition component 2 includes an industrial camera and a light source device. The industrial camera is electrically connected to the electronic control system and sends the collected image barcode information of the tops of multiple HPLC modules 4 to the electronic control system. The light source device irradiates toward the top of the HPLC module 4 and provides light source.

[0029] Based on the above structure, the electric control system includes an image barcode recognition technology module, which is used for barcode recognition, automatic frame-by-frame analysis of image data, automatic recognition of different information, and processing of graphic rotation changes. Through high-definition image acquisition equipment (industrial camera) and barcode recognition software algorithm, and using software multi-threading technology, the image data is automatically analyzed frame by frame, the barcode content information is obtained and the content results are output through the software interface. At the same time, it also has the functions of automatic recognition of different information and processing of graphic rotation changes.

[0030] On the basis of the above structure, a pressing mechanism 5 is arranged in the frame 1 and directly above the tray 3, and the pressing mechanism 5 is used to limit the positions of the multiple HPLC modules 4 on the tray 3 one by one. The pressing mechanism 5 is electrically connected to the electric control system and the host computer, and the host computer sends instructions to the electric control system to control the lifting and lowering of the lifting cylinder 53 in the pressing mechanism 5.

[0031] As a preferred embodiment, the pressing mechanism 5 includes a pressing plate 51 horizontally arranged above the tray 3, and a plurality of limiting grooves 52 are evenly opened on the pressing plate 51, and the plurality of limiting grooves 52 correspond one by one to the positions of the plurality of HPLC modules 4, and lifting cylinders 53 are arranged at the four corners of the bottom surface of the pressing plate 51.

[0032] Working principle: For this kind of HPLC module automatic detection device based on image recognition, first open the host computer test software, input the preset parameter information of the HPLC module 4, enter the state to be tested, put the HPLC module 4 to be tested into the slot of the tray 3, and put it in order as needed. The lifting cylinder 53 is lowered to control the pressure plate 51 to move downward, and its limit slot 52 fixes the HPLC module 4 to be tested, and cooperates with the high-definition image acquisition equipment (industrial camera and light source equipment) to obtain clear and bright real-time image information with barcodes. Then, through the host computer software and the electronic control system with image barcode recognition technology module, the real-time image information obtained by the image device is used, and the multi-threading and barcode recognition technology are combined to quickly and effectively identify the barcode information of the module to be tested. After the recognition is completed, the relevant parameters of the module to be tested are automatically copied according to the barcode information. The specific parameters need to adapt to the process requirements. After the detection is completed, the tray 3 is taken out and the defective products are picked out. In this way, the use process of the entire HPLC module automatic detection device based on image recognition is completed.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic detection device for HPLC modules based on image recognition, characterized in that: include Framework (1); A tray (3), the tray (3) being arranged inside the frame (1), and having slots for supporting a plurality of HPLC modules (4) on the tray (3), and an appearance recognition detection position (6) suitable for performing image barcode recognition on the HPLC modules (4) being arranged inside the frame (1); An image acquisition component (2) is disposed at the appearance recognition detection position (6) and is used to collect image barcode information on the top of a plurality of HPLC modules (4) located on the tray (3); A host computer, used for inputting preset parameter information of the HPLC module (4) and sending control instructions; The electronic control system is connected to the host computer and the image acquisition component (2) respectively, and is used to receive and process signals, compare the image barcode information actually collected with the preset parameter information of the input HPLC module (4), and report the results to the host computer.

2. The HPLC module automatic detection device based on image recognition according to claim 1, characterized in that: The image acquisition component (2) comprises an industrial camera and a light source device. The industrial camera is electrically connected to the electronic control system and sends the collected image barcode information of the tops of multiple HPLC modules (4) to the electronic control system. The light source device irradiates toward the tops of the HPLC modules (4) and provides light source.

3. The HPLC module automatic detection device based on image recognition according to claim 1, characterized in that: The electric control system includes an image barcode recognition technology module, which is used for barcode recognition, automatic frame-by-frame analysis of image data, automatic recognition of different information, and processing of graphic rotation changes.

4. The HPLC module automatic detection device based on image recognition according to claim 1, characterized in that: A pressing mechanism (5) is provided in the frame (1) and directly above the tray (3). The pressing mechanism (5) is used to position the multiple HPLC modules (4) on the tray (3) one by one.

5. The HPLC module automatic detection device based on image recognition according to claim 4, characterized in that: The pressing mechanism (5) comprises a pressing plate (51) horizontally arranged above the tray (3); a plurality of limiting grooves (52) are evenly arranged on the pressing plate (51); and the plurality of limiting grooves (52) correspond one by one to the positions of the plurality of HPLC modules (4); and lifting cylinders (53) are arranged at the four corners of the bottom surface of the pressing plate (51).

Images