CN212791954U

CN212791954U - Product detection system based on smart phone

Info

Publication number: CN212791954U
Application number: CN202020955437.1U
Authority: CN
Inventors: 欧阳剑
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-30
Filing date: 2020-05-30
Publication date: 2021-03-26
Anticipated expiration: 2030-05-30

Abstract

The invention discloses a product detection system based on a smart phone, which comprises the smart phone, an image acquisition module and a data processing module, wherein the image acquisition module is a camera of the smart phone, the data processing module is a data processing system of the smart phone, a control module makes an instruction to an execution module according to a signal transmitted by the smart phone, and the execution module makes a preset execution action after receiving the instruction. Simplify outward appearance detecting system's constitutional structure, reduce cost lets the customer can retrieve the cost in the short time, optimizes the core and detects the function, reduces the debugging degree of difficulty, adopts the scheme that the degree of integrating is high, and small in size imbeds easily in the production line, has very big popularization and application potentiality.

Description

Product detection system based on smart phone

Technical Field

The invention relates to the field of product detection, in particular to a product detection system based on a smart phone.

Background

With the improvement of the industrial automation degree, the machine vision plays an increasingly important role in the production process, and in many industries, the traditional post depending on manual inspection is gradually replaced by a machine vision system. A large number of machine vision systems are configured in the current and future new production lines, and the development prospect of the machine vision field is wide. With the increasing diversification and complexity of product varieties, the detection method for quality inspection personnel to detect the product quality by naked eyes cannot meet the current industrialized requirements, for example, the problems of package damage, character printing or neglected loading of parts, substandard appearance size and the like which may exist in the production process may occur, and due to the high false judgment rate of the naked eyes, the defective products may flow into the hands of consumers, thereby affecting the external image of the products. In addition, the traditional manual quality detection method has low detection efficiency, so that the production capacity of products is low. The existing machine vision technology mainly comprises the following parts: the visual part (camera, light source, image acquisition card, computer, visual detection program), the machine part (PLC control module, actuating mechanism), the visual part is responsible for gathering the image on the scene, through computer digital image processing, reachs the testing result and sends corresponding instruction to PLC, PLC control actuating mechanism makes corresponding letter sorting action. The machine vision technology in the prior art has the effects of replacing manual detection, improving sorting efficiency, reducing labor cost and reducing manual misjudgment and missed detection rate.

The existing machine vision detection system has many problems, so that the automatic detection system cannot be commonly used, for example, the structure is complex, a lens, a sensor, a light source, a trigger mechanism, program processing, communication and the like, the links which are easy to go wrong are many, the cost is high, the camera, the lens and software development all need higher cost, the mechanism debugging and software debugging are complex, professional training is needed, the debugging threshold is high, the occupied space is large, the wiring is disordered, the use scene is easy to limit, the requirement on the use environment of a production line is harsh, and the practicability is difficult to follow the change of actual production. It cannot completely replace manual detection.

Disclosure of Invention

In order to solve the existing problems, the invention discloses a product detection system based on a smart phone, which comprises the smart phone, an image acquisition module and a data processing module, wherein the image acquisition module is a smart phone camera, and the data processing module is a smart phone data processing system. Simplify outward appearance detecting system's constitutional structure, reduce cost lets the customer can retrieve the cost in the short time, optimizes the core and detects the function, reduces the debugging degree of difficulty, adopts the scheme that the degree of integrating is high, small in size, imbeds in the production line easily.

Further, the communication module is used for communication in one or more modes of WiFi, Bluetooth, mobile network and data line communication of the smart phone. The detection data may be transmitted.

Further, the smart phone is erected on the product detection production line through the detachable support. The detection is convenient and accurate.

Further, the device comprises a control module and an execution module. Is convenient for processing unqualified products.

Further, the control module gives an instruction to the execution module according to a signal transmitted by the smart phone, and the execution module gives a preset execution action after receiving the instruction. Is convenient for processing unqualified products.

Further, the system processes the picture captured by the mobile phone camera in real time, and when the product is captured in the picture, the product is analyzed in real time and compared with the product parameters input in advance.

Furthermore, after analysis, the analysis result is displayed on the smart phone or transmitted to the data output module through the communication module. And the analysis result is convenient to view.

Further, the result of the real-time analysis is transmitted to the control module through the communication module, the control module makes a preset instruction for the execution module according to the analysis result, and the execution module makes a corresponding execution action according to the instruction. Is convenient for processing unqualified products.

A smart phone is provided with any one of the product detection systems or a product is detected by using the product detection method.

Compared with the prior art, the cost of the appearance detection system can be greatly reduced, the lens, the camera, the acquisition card, the PC and the like are adopted for adjustment in the prior art, the requirement on the software and hardware integration capability of a development team is high, the development period is long, and the development cost and the hardware cost are high. The smart phone is highly integrated, has huge advantages in cost performance ratio compared with industrial products, directly adopts the smart phone as a hardware platform of machine vision, and has advantages in research and development cost, research and development period and hardware cost.

The invention can reduce the threshold of the appearance detection system, has small volume, can be designed into a low-cost and very practical embedded detection scheme, has small development difficulty and does not need professional software and hardware knowledge. The customer is easy to get with debugging.

The invention adopts the intelligent mobile phone as a main body, the intelligent mobile phone is developed and updated very fast, the performances of the processor and the camera can meet the requirements of industrial application scenes, the performance difference between the processor and the PC processor and the performance difference between the processor and the camera are continuously reduced in the future, and the intelligent mobile phone can replace the existing machine vision scheme in more and more occasions.

Has the advantages that: 1. simplify outward appearance detecting system's structural component, 2, reduce cost lets the customer can retrieve the cost in the short time, 3, optimize the core and detect the function, reduces the debugging degree of difficulty, 4, adopts the high programming of robustness, reduces the environment, and the light source etc. is to the influence of image processing precision, 5, adopts the scheme that the degree is high that integrates, and small in size imbeds in the production line easily.

Drawings

FIG. 1 is a schematic diagram of the module structure of the present invention.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The following detailed description of specific embodiments of the invention refers to the accompanying drawings.

Example 1

Solar cell blue membrane detecting system. The system is arranged in a blanking area of a solar PECVD process and is used for removing unqualified products such as defective products, color differences, spots, dirt and the like. The components comprise: the intelligent mobile phone comprises an intelligent mobile phone, an image acquisition module and a data processing module, wherein the image acquisition module is an intelligent mobile phone camera, the data processing module is an intelligent mobile phone data processing system, and the communication module adopts a data line mode for communication. The smart phone is mainly responsible for image acquisition and image processing; the USB communication module is mainly responsible for communication; the image processing and signal processing software is installed on the smart phone; the control module controls the execution module to execute operation, and the execution module is a motor slider and sucker combination and is responsible for grabbing out detected defective products; and the defective product box is used for placing the grabbed defective products.

The working mode is as follows: the smart phone is installed above a conveyor belt of a production line, a program calls a camera to process data of each frame, when a blue film passes through, the program detects film color data of a blue film object and judges whether the object meets the quality requirement. If the defective products are met, the operation is not carried out, if the defective products are not good products, the program sends a signal to the communication module, the control module sends an instruction to the execution module after receiving the signal, and the execution module receives the instruction, controls the sucker and the motor to operate and grabs the defective products to the defective product box.

Example 2

Solar cell printing quality detecting system. The system is installed after each screen printing process and is used for detecting whether defective products such as unfilled corners, fragments, poor printing, dirt, offset and the like are generated. The system comprises the following components: the intelligent mobile phone comprises an intelligent mobile phone, an image acquisition module and a data processing module, wherein the image acquisition module is an intelligent mobile phone camera, the data processing module is an intelligent mobile phone data processing system, and the communication module adopts a data line mode for communication. The smart phone is mainly responsible for image acquisition and image processing; the USB communication module is mainly responsible for communication; the image processing and signal processing software is installed on the smart phone; the control module controls the execution module to execute the operation.

The working mode is as follows: the smart phone is installed in the printing discharge gate, and every frame data is handled to the program call camera, and when the silicon chip process after the printing, the program detects silicon chip integrality, whether normal, whether have the skip printing, dirty, skew etc. of printing pattern. If the quality is qualified, the operation is not carried out, if the quality is unqualified, the program communication module transmits the program communication module to the control module and then sends a printing stop instruction, and the execution module informs an operator of the unqualified printing.

Example 3

Solar cell membrane look sorting system. The system is used for carrying out appearance detection and film color sorting on the solar cell. The components comprise: the intelligent mobile phone comprises an intelligent mobile phone, an image acquisition module and a data processing module, wherein the image acquisition module is an intelligent mobile phone camera, the data processing module is an intelligent mobile phone data processing system, and the communication module adopts a data line mode for communication. The smart phone is mainly responsible for image acquisition and image processing; the USB communication module is mainly responsible for communication; the image processing and signal processing software is installed on the smart phone; the control module controls the execution module to execute operation, and the smart phone and the LED light source are responsible for image acquisition and image processing; the execution module comprises a feeding chip grabbing machine, a sensor, a sorting chip grabbing machine, a transmission mechanism, a PLC and an industrial control and electrical control part.

The working mode is as follows: when the intelligent mobile phone starts to work, the feeding device grabs the battery piece onto the conveying belt, when the battery piece is conveyed to the position below the intelligent mobile phone, the intelligent mobile phone carries out image analysis on the battery piece, the result is sent to the PLC, and the PLC grabs the battery piece to the corresponding material box according to the result.

Example 4

Product detecting system based on smart mobile phone, including smart mobile phone, image acquisition module and data processing module, the image acquisition module is the smart mobile phone camera, and data processing module is smart mobile phone data processing system, and communication module adopts 5G mobile network communication, and smart mobile phone erects on the product detection assembly line through removable support.

Firstly, the smart phone is erected at a preset position of a product detection line, then software is started, the software processes pictures captured by a mobile phone camera in real time, when the products are captured in the pictures, the products are analyzed in real time and compared with pre-input product parameters, the analysis result is displayed on the smart phone after the analysis, and the analysis result is transmitted to a data output module through a communication module through a network and is output to a database for being checked conveniently. The qualification rate of the product can be counted.

The invention adopts the intelligent mobile phone to realize the machine vision detection function, is applied to industrial production, realizes image processing and hardware communication by the mobile phone APP, and realizes the communication between the intelligent mobile phone and the PLC and the execution mechanism by adopting the FT311D/FT312D module.

The technical scheme adopted by the invention comprises the following parts: the hardware part comprises a smart phone, a communication module and an execution mechanism; the software part comprises digital image processing, the smart phone only needs to select a middle-high-end model of a current mainstream brand, the software part adopts android studio to develop android applications, and the image processing is realized by opencv (or other open source libraries and commercial libraries) in an auxiliary mode.

Because the smart phone does not have a COM port similar to a computer and can be directly connected with a PLC for communication, the stability of communication through wireless technologies such as WIFI and Bluetooth is not ideal at present. The embodiment of the invention adopts a scheme of 5G network communication or communication between a mobile phone USB and a peripheral module, the adopted FT311D/FT312D module converts the android USB into a serial port, meanwhile, a power supply of the module can supply power to the smart phone, the conversion module does not need to compile complex circuit drivers, and a programming interface provided by a chip manufacturer can be conveniently called in source codes of project development to realize a communication function.

The utility model discloses: firstly, the smart phone is erected at a preset position of a product detection line, then software is started, the software processes pictures captured by a mobile phone camera in real time, when the products are captured in the pictures, the products are analyzed in real time and compared with pre-input product parameters, after analysis, an analysis result is displayed on the smart phone or transmitted to a data output module through a communication module, the real-time analysis result is transmitted to a control module through the communication module, the control module makes a preset instruction for an execution module according to the analysis result, and the execution module makes a corresponding execution action according to the instruction.

The above embodiments only describe the best mode of use of the existing equipment, and similar common mechanical means are used to replace the elements in the present embodiments, which fall into the protection scope.

Claims

1. Product detecting system based on smart mobile phone, its characterized in that: the intelligent mobile phone comprises an intelligent mobile phone, an image acquisition module and a data processing module, wherein the image acquisition module is an intelligent mobile phone camera, and the data processing module is an intelligent mobile phone data processing system.

2. The smartphone-based product detection system of claim 1, wherein: the product detection system comprises a communication module, wherein the communication module adopts one or more modes of WiFi, Bluetooth, mobile network and data line communication of a smart phone.

3. The smartphone-based product detection system of claim 2, wherein: the smart phone is erected on the product detection production line through the detachable support.

4. The smartphone-based product detection system of any one of claims 1-3, wherein: the device comprises a control module and an execution module.