CN115290665A - Automatic diaphragm detection system for hydrogen diaphragm compressor - Google Patents

Abstract

The invention relates to the technical field of diaphragm detection, and discloses an automatic diaphragm detection system for a hydrogen diaphragm compressor; the automatic diaphragm detection system for the hydrogen diaphragm compressor comprises a data transfer system, wherein the data transfer system is used for transferring and transmitting all data in the automatic diaphragm detection system, and all data comprise image data and text data.

Description

A Diaphragm Automatic Detection System for Hydrogen Diaphragm Compressor

technical field

The invention belongs to the technical field of diaphragm detection, in particular to an automatic diaphragm detection system for a hydrogen diaphragm compressor.

Background technique

The diaphragm compressor is a volumetric compressor with a special structure. The cylinder does not need lubrication, and the sealing performance is very good. The compressed medium does not come into contact with any lubricant. Therefore, the diaphragm compressor can compress gas with extremely high purity, generally reaching 99.999%. purity.

The quality requirements of the diaphragm in the hydrogen diaphragm compressor are very high, so the diaphragm must be inspected after production. The existing diaphragm inspection system can only detect whether the diaphragm is defective. In the subsequent process adjustment, manual judgment and adjustment are required , the processing efficiency is low, and there may be errors in the judgment results, so it may affect the reduction of the defect rate; therefore, in view of the current situation, it needs to be improved now.

Contents of the invention

In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a diaphragm automatic detection system for a hydrogen diaphragm compressor, which effectively solves the high quality requirements for the diaphragm in the hydrogen diaphragm compressor, so the diaphragm is in production. Afterwards, quality inspection must be carried out. The existing diaphragm inspection system generally can only detect whether the diaphragm is a defective product. In the subsequent process adjustment, manual judgment and adjustment are required, the processing efficiency is low, and there may be errors in the judgment results. Therefore, for the defect rate The reduction may cause problems of impact.

In order to achieve the above object, the present invention provides the following technical solutions: a diaphragm automatic detection system for hydrogen diaphragm compressors, including a data transfer system, the data transfer system is used to transfer and transmit all the data in the diaphragm automatic detection system , all data includes image data and text data;

Automatic sensing system: The automatic sensing system is used for automatic sensing detection of the diaphragm that needs to be detected, that is, after the diaphragm that needs to be detected enters the detection area, it will automatically sense the diaphragm that needs to be detected, and at the same time transmit the signal to the automatic GPS;

Automatic positioning system: After receiving the signal sent by the automatic sensing system, the automatic positioning system locates the position of the diaphragm that needs to be detected, and at the same time, it is equipped with position correction equipment to move the position of the diaphragm that needs to be detected, so that it enters the specified detection area;

Image capture system: The image capture system is used to capture the surface image of the diaphragm that needs to be tested after it enters the specified detection area. The shooting system shoots the surface image of the flipped surface, and after the shooting is completed, the shooting data is edited, grouped and transmitted;

Detection operation system: the detection operation system is used to receive the captured image transmitted by the above-mentioned image capture system, and after processing the image, judge the surface flaw, and the judgment content includes dirty spots, streaks, damage, edge cracks, wrinkles, and dark spots , bright spots, edge damage, black spots, hair and mosquitoes, and transmit the results after the results are obtained;

Result feedback system: the result feedback system is used to receive the operation results transmitted by the above-mentioned detection operation system, and feed back the results to the data receiving port and the data statistics system connected with the diaphragm automatic detection system;

Data statistics system: the data statistics system is used to receive the data transmitted by the above-mentioned result feedback system, and perform statistics of data results according to 100-300 per group. Feedback to the data receiving port connected with the diaphragm automatic detection system;

Data storage system: the data storage system is used to store all the data running in the diaphragm automatic detection system, and upload it to the cloud in a cycle of 5-7 days.

Preferably, the specific carrier of the automatic sensing system is an infrared sensing device and a counting device, the infrared sensing device is a SE2470 infrared sensor, and the counting device is a 74HC4060D counter.

Preferably, the automatic positioning system specifically adopts one or a combination of computer vision positioning technology, infrared positioning technology, ultrasonic positioning technology or laser positioning technology, and the specific algorithm of the automatic positioning system adopts proximity detection method, centroid One or a combination of positioning methods or multilateral positioning methods.

Preferably, the image capture system is specifically equipped with one or a combination of pan/tilt, infrared video camera, motion camera or AI smart sensor camera.

Preferably, the step of processing the captured image by the detection operation system includes ①, identifying the diaphragm image that needs to be detected; ②: adjusting the image resolution, angle and light intensity to the standard data; ③: using the identification system to identify The defects existing on the image surface are identified and marked; ④: Through the comparison system and the defect library, the specific types of defects are compared and identified, and the results are obtained.

Preferably, the data statistics system specifically adopts one or a combination of linear regression technology, subset selection technology, feature reduction technology, nonlinear model, tree-based method or support vector machine.

Preferably, the cloud in the data storage system is specifically one or a combination of private cloud, mobile cloud, Unicom cloud, telecom cloud or google cloud.

Compared with the prior art, the beneficial effects of the present invention are: 1. The front and back sides of the diaphragm are edited and grouped by the image capture system and then transmitted to the detection operation system, and the image recognition, standard data adjustment, and surface recognition are carried out by the detection operation system And after the type identification, the diaphragm detection calculation result data is obtained, which is fed back to the data receiving port and the data statistics system through the result feedback system, and then the data statistics system performs statistics on the data results, and feeds back the statistical results to the diaphragm automatic detection system. The data receiving port, after the data receiving port receives the statistical data, the corresponding processing technology is modified according to the defect type and statistics in the data, thereby improving the processing quality of the diaphragm, reducing the defect rate, automatic statistics through the program, compared with manual judgment, and processing efficiency Higher, and the results are more objective and accurate;

2. The diaphragm that needs to be detected is sent to the diaphragm automatic detection system through the conveyor belt. After it enters the detection area, the automatic sensing system senses it and sends the signal of its entry to the automatic positioning system. Through the automatic positioning system Position the diaphragm that needs to be tested, and use the position correction device to move the diaphragm to the specified detection area, thereby avoiding the change of the predetermined data due to different detection areas and affecting the subsequent detection results. Compared with manual placement and positioning, automatic positioning More accurate and greatly improved efficiency;

3. The data storage system saves all test data and regularly stores them in the cloud, so that the test data can be quickly found during subsequent product traceability, and the possibility of data loss can be avoided.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, and are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention.

In the attached picture:

Fig. 1 is a block diagram of a diaphragm automatic detection system for a hydrogen diaphragm compressor of the present invention;

Fig. 2 is a flow chart of the present invention for an automatic diaphragm detection system for a hydrogen diaphragm compressor.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them; based on The embodiments of the present invention and all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Figures 1 and 2, the present invention provides a technical solution: a diaphragm automatic detection system for hydrogen diaphragm compressors, including a data transfer system, and the data transfer system is used to perform all data in the diaphragm automatic detection system Transit transmission, all data includes image data and text data;

Automatic sensing system: The automatic sensing system is used for automatic sensing detection of the diaphragm that needs to be detected, that is, after the diaphragm that needs to be detected enters the detection area, it will automatically sense the diaphragm that needs to be detected, and at the same time transmit the signal to the automatic positioning system ;

Automatic positioning system: After receiving the signal sent by the automatic induction system, the automatic positioning system will position the diaphragm to be detected, and at the same time, it will be equipped with position correction equipment to move the position of the diaphragm to be detected so that it enters the specified detection area;

Image capture system: The image capture system is used to capture the surface image of the diaphragm that needs to be tested after it enters the specified detection area. Take surface image shooting of the flipped surface, edit and group the shooting data and transmit them after shooting;

Detection operation system: The detection operation system is used to receive the captured image transmitted by the above-mentioned image capture system, and after processing the image, judge the surface flaw. The judgment content includes dirty spots, streaks, damage, edge cracks, wrinkles, dark spots, bright Spots, edge damage, black spots, hair and mosquitoes, and transmit the results after they are obtained;

Result feedback system: the result feedback system is used to receive the operation results transmitted by the above detection operation system, and feed back the results to the data receiving port and the data statistics system connected to the diaphragm automatic detection system;

Data statistics system: The data statistics system is used to receive the data transmitted by the above-mentioned result feedback system, and perform statistics on the data results according to 100-300 per group. The statistical content mainly includes statistics on the number of specific defects in each group of data, and the statistical results are fed back to A data receiving port connected to the diaphragm automatic detection system;

Data storage system: The data storage system is used to store all the data running in the diaphragm automatic detection system, and upload it to the cloud in a period of 5-7 days.

Among them, the specific carrier of the automatic sensing system is infrared sensing equipment and counting equipment. The infrared sensing device is specifically SE2470 infrared sensor, and the counting device is specifically 74HC4060D counter. technology or laser positioning technology, and the specific algorithm of the automatic positioning system uses one or a combination of proximity detection method, centroid positioning method or multilateral positioning method; the image capture system is specifically equipped with a pan-tilt , infrared video camera, motion camera or AI smart sensor camera or a combination of several; the steps of processing the captured image by the detection computing system include ①, identifying the diaphragm image that needs to be detected; ②: converting the image Adjust the discrimination, angle and light intensity to the standard data; ③: identify and mark the defects existing on the image surface through the recognition system; ④: compare and identify the specific types of defects through the comparison system and the defect library, and obtain the results; data statistics The system specifically adopts one or a combination of linear regression technology, subset selection technology, feature reduction technology, nonlinear model, tree-based method or support vector machine; the cloud in the data storage system is specifically a private cloud, a mobile cloud , Unicom Cloud, Telecom Cloud or Google Cloud or a combination of several.

Working principle: The diaphragm that needs to be detected is sent to the diaphragm automatic detection system through the conveyor belt. After it enters the detection area, the automatic sensing system senses it and sends the signal of its entry to the automatic positioning system. Through automatic positioning The system locates the position of the diaphragm that needs to be detected, and uses the position correction device to move the diaphragm to the specified detection area, thereby avoiding the change of the predetermined data due to different detection areas and affecting the subsequent detection results. Compared with manual placement, automatic positioning The positioning is more accurate, and the efficiency is greatly improved. After positioning, the current top surface is photographed by the image capture system. After the photographing is completed, the diaphragm is flipped over by the automatic flipping device, and the photograph is taken again, and the pictures taken twice are edited. After grouping, it is transmitted to the detection operation system, and the detection operation system performs image recognition, standard data adjustment, surface recognition and type recognition to obtain the diaphragm detection operation result data, which is fed back to the data receiving port and the data statistics system through the result feedback system, and then The data statistics system will carry out statistics of data results according to 100-300 groups, the statistical content mainly includes statistics of the number of specific flaws in each group of data, and the statistical results will be fed back to the data receiving port connected to the diaphragm automatic detection system, the data receiving port After receiving the statistical data, modify the corresponding processing technology according to the defect type and statistics in the data, thereby improving the processing quality of the diaphragm and reducing the defect rate. Through the automatic statistics of the program, compared with manual judgment, the processing efficiency is higher and the results are more objective. Accurate, and the data storage system saves all test data and regularly stores them in the cloud, so that the test data can be quickly found during subsequent product traceability, and the possibility of data loss can be avoided.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. any such actual relationship or order exists between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (7)

1. A diaphragm automatic detection system for a hydrogen diaphragm compressor, characterized in that: it includes a data transfer system, and the data transfer system is used to transfer and transmit all data in the diaphragm automatic detection system, and all data includes image data and text data; Automatic sensing system: The automatic sensing system is used for automatic sensing detection of the diaphragm that needs to be detected, that is, after the diaphragm that needs to be detected enters the detection area, it will automatically sense the diaphragm that needs to be detected, and at the same time transmit the signal to the automatic GPS; Automatic positioning system: After receiving the signal sent by the automatic sensing system, the automatic positioning system locates the position of the diaphragm that needs to be detected, and at the same time, it is equipped with position correction equipment to move the position of the diaphragm that needs to be detected, so that it enters the specified detection area; Image capture system: The image capture system is used to capture the surface image of the diaphragm that needs to be tested after it enters the specified detection area. The shooting system shoots the surface image of the flipped surface, and after the shooting is completed, the shooting data is edited, grouped and transmitted; Detection operation system: the detection operation system is used to receive the captured image transmitted by the above-mentioned image capture system, and after processing the image, judge the surface flaw, and the judgment content includes dirty spots, streaks, damage, edge cracks, wrinkles, and dark spots , bright spots, edge damage, black spots, hair and mosquitoes, and transmit the results after the results are obtained; Result feedback system: the result feedback system is used to receive the operation results transmitted by the above-mentioned detection operation system, and feed back the results to the data receiving port and the data statistics system connected with the diaphragm automatic detection system; Data statistics system: the data statistics system is used to receive the data transmitted by the above-mentioned result feedback system, and perform statistics of data results according to 100-300 per group. Feedback to the data receiving port connected with the diaphragm automatic detection system; Data storage system: the data storage system is used to store all the data running in the diaphragm automatic detection system, and upload it to the cloud in a cycle of 5-7 days. 2. A diaphragm automatic detection system for hydrogen diaphragm compressors according to claim 1, characterized in that: the specific carrier of the automatic sensing system is an infrared sensing device and a counting device, and the infrared sensing device is specifically SE2470 type infrared sensor, and the counting device is specifically a 74HC4060D type counter. 3. A diaphragm automatic detection system for hydrogen diaphragm compressors according to claim 1, wherein the automatic positioning system specifically adopts computer vision positioning technology, infrared positioning technology, ultrasonic positioning technology or laser positioning technology One or a combination of several of them, and the specific algorithm of the automatic positioning system uses one or a combination of proximity detection, centroid positioning or multilateral positioning. 4. A diaphragm automatic detection system for hydrogen diaphragm compressors according to claim 1, characterized in that: the image capture system is specifically equipped with a pan/tilt, an infrared camera, a motion camera or an AI intelligent sensor camera one or a combination of several. 5. A diaphragm automatic detection system for a hydrogen diaphragm compressor according to claim 1, characterized in that: the step of processing the photographed image by the detection operation system includes ①, performing a process on the diaphragm image that needs to be detected Recognition; ②: Adjust the image resolution, angle and light intensity to the standard data; ③: Identify and mark the defects existing on the image surface through the recognition system; ④: Compare the specific types of defects through the comparison system and the defect library Identify and get results. 6. A kind of diaphragm automatic detection system for hydrogen diaphragm compressor according to claim 1, characterized in that: said data statistics system specifically adopts linear regression technology, subset selection technology, feature reduction technology, nonlinear model , tree-based method or support vector machine or a combination of several. 7. A diaphragm automatic detection system for a hydrogen diaphragm compressor according to claim 1, wherein the cloud in the data storage system is specifically a private cloud, a mobile cloud, a Unicom cloud, a telecom cloud or a Google cloud one or a combination of several.

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