Digital mobile assembly system in industrial wireless local area network environment

Abstract

The application discloses a digital mobile assembly system in an industrial wireless local area network environment. The application realizes wireless connection of equipment and production control network under the wireless network environment based on the industrial wireless local area network communication technology; realizes automatic acquisition, uploading, judging and storage of process data through the intelligent terminal management system; realizes production process data acquisition through real-time data analysis function of the production management and control system and the digital mobile assembly station; and carries industrial all-in-one machine and industrial PAD, deploys various upper system clients, and visually displays task information, process information, manufacturing resources, manufacturing process data, test data and other information.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of digital mobile assembly, in particular to a digital mobile assembly system in an industrial wireless local area network environment. BACKGROUND

[0002] At present, the general wireless network coverage cannot be realized in the total assembly workshop of aerospace products due to information security and other reasons. After the production task is issued to the production station, the operator uses the corresponding manufacturing resources (mechanical wrench, click wrench, multimedia recording camera, measuring tool, testing tool, etc.) to operate under the premise of checking the corresponding assembly process file, drawing and confirming the correctness of the operation. The quality points that need to be controlled in the operation process are realized through manual recording or tool guaranteeing mode. The operation is complicated, low in efficiency, and there are hidden dangers of misreading, misjudgment and misrecording. The objectivity and accuracy of data are difficult to guarantee. At the same time, the management personnel cannot real-time understand the manufacturing resource state of the production site, and cannot effectively optimize the process.

[0003] With the high-speed development and continuous integration of advanced manufacturing technology and new generation information technology, modern manufacturing resources are mostly complex equipment integrating machinery and electricity. The state data and a series of quality data generated by the equipment all have the ability of remote collection and uploading. The wireless communication technology solution meeting the relevant safety requirements of the country has also initially met the conditions and can be used to design and manufacture a digital mobile assembly station based on the wireless communication technology in a safe environment. SUMMARY

[0004] The present application provides a digital mobile assembly system in an industrial wireless local area network environment, which aims to improve the current operation mode, more conveniently, quickly and accurately control the assembly process and record the process parameters. Through the corresponding manufacturing resources, the functions of receiving production tasks, production process control, production process data automatic collection, uploading, judgment, storage, analysis and display are realized in the wireless network environment based on industrial safe wireless communication technology.

[0005] In a first aspect, a digital mobile assembly system in an industrial wireless local area network environment is provided, comprising a digital mobile assembly workstation vehicle body, a secure wireless access gateway and a workshop industrial control network; the digital mobile assembly workstation vehicle body comprises a secure wireless access module and a data acquisition terminal device; the secure wireless access gateway is connected with a network port of the workshop industrial control network, so that the data acquisition terminal device is connected with the secure wireless access gateway through the secure wireless access module; in a wireless network environment based on secure wireless communication technology, wireless connection of the digital mobile assembly workstation and the production control network is realized; automatic acquisition, uploading, judging and storage of process data are realized through the intelligent terminal management system carried thereon; and automatic display of production process data on a data acquisition display screen is realized through a real-time data interaction function of the digital mobile assembly workstation vehicle body.

[0006] In combination with the first aspect, in some implementations of the first aspect, the data acquisition terminal device comprises a workstation vehicle body desktop, a touch all-in-one machine, a temperature and humidity meter, a secure wireless communication module, a card reader, and a power supply expansion interface; the touch all-in-one machine is located at the middle front side of the workstation vehicle body desktop, and the power supply expansion interface and the secure wireless communication module are respectively located at the two sides of the touch all-in-one machine; the temperature and humidity meter is inserted into a slot on the workstation vehicle body desktop; and the card reader is located at the right edge of the workstation vehicle body desktop.

[0007] In combination with the first aspect, in some implementations of the first aspect, the data acquisition terminal device comprises a code scanning gun, a drawer group, a button control panel, a battery system, a heavy load electrostatic caster, a network interface, a power supply interface, an HMI, a torque tightening tool, and a power supply expansion interface; the workstation vehicle body desktop is arranged on the top of the drawer group; the torque tightening tool is arranged on the left side of the drawer group; the code scanning gun is arranged on the right side of the drawer group; the HMI and the button control panel are arranged below the drawer group; the battery system is arranged below the button control panel, and the power supply interface and the network interface are arranged on the left side of the battery system; and the heavy load electrostatic caster is arranged at the lowermost part of the data acquisition terminal device, for realizing movement of the data acquisition terminal device.

[0008] In combination with the first aspect, in some implementations of the first aspect, the touch all-in-one machine adopts an adjustable mask, which can adjust the pitch angle.

[0009] The temperature and humidity meter is arranged above the vehicle body and at the rear side of the battery box, for simultaneously monitoring the environmental temperature and humidity and the temperature and humidity of the vehicle body, collecting production environmental temperature and humidity data, abnormally alarming when the battery overheats, and timely cutting off the battery output to ensure safety.

[0010] The secure wireless communication module is arranged on the upper part of the desktop, for preventing unstable communication caused by signal shielding.

[0011] The card reader is arranged on the desktop, for recording employee login / logout system and production work card data.

[0012] In some implementations of the first aspect, the code scanning gun is configured to scan workpiece, work order bar code and / or two-dimensional code.

[0013] The drawer group is arranged on the front side of the vehicle body, facilitating drawing and closing, and each layer is arranged with different contents, tools and intelligent devices are arranged in profiled slots to prevent the tools from being displaced or damaged during movement of the vehicle body.

[0014] The button control panel is connected with the power supply and PLC, and includes a power switch, an emergency switch, sensors and indicator lights of the trace management system.

[0015] The battery system is configured with batteries and inverters of the battery box arranged in the lowermost drawer; the batteries are installed in the lowermost layer of the vehicle body to stabilize the gravity center of the whole vehicle.

[0016] The heavy-load electrostatic castor adopts a high-strength polyester wheel.

[0017] The network interface is associated with an intelligent adaptive industrial gateway, and is adapted to Profinet, Ethernet and serial communication interfaces.

[0018] The power supply interface is located on the side of the vehicle body.

[0019] The HMI is used for total control of the equipment and display of the equipment state, and is arranged on the front of the equipment.

[0020] The torque tightening tool is arranged on the clamping groove on the left side of the vehicle body.

[0021] The power supply expansion interface is arranged below the safety cover plate on the front left of the table, and is configured with a 220V power socket, a USB interface and a serial interface.

[0022] In some implementations of the first aspect, the data acquisition terminal device has an outer dimension of 800mmx620mmx1000mm.

[0023] The second aspect provides a use method of the digital mobile assembly system in the industrial wireless local area network environment as described in any one of the implementations of the first aspect, comprising:

[0024] Before the digital mobile assembly station is applied, a secure wireless access gateway is deployed in an actual application scene industrial control environment, and a secure wireless access module is configured on the vehicle body of the digital mobile assembly station to realize secure access of the data acquisition terminal device to the wireless network.

[0025] Through the data acquisition terminal device, open the station intelligent terminal management system, receive the process quality integration file decomposed and issued by the production line management system, bind and load the intelligent tool according to the task requirements of the work step, and start to execute the sub-work-step assembly work;

[0026] After each sub-work-step is completed, the end execution data of the intelligent tool bound with the execution instruction is automatically transmitted back to the intelligent terminal management system, after the production report is confirmed, the data is uploaded to the production line management system and a data package is formed, and finally returned to the integration file in the process quality integration file system.

[0027] In combination with the second aspect, in some implementations of the second aspect, before the sub-work-step is executed, the process of linking the intelligent tool includes:

[0028] The safety wireless access gateway connected with the digital mobile assembly station body sends a connection message to the intelligent tool according to the communication protocol, returns a state message after connecting the related controller, completes the list data binding, and successfully connects the intelligent tool;

[0029] After the data acquisition terminal device displays that the intelligent tool is connected normally, related parameters are set in the sub-work-step, an execution instruction is sent to the intelligent tool, end execution data of the intelligent tool is automatically collected after the operation is completed, and the data is bound with the instruction list data.

[0030] In combination with the second aspect, in some implementations of the second aspect, the intelligent tool includes at least one of the following: a multimedia acquisition device, a torque tightening tool, a code scanning gun, a temperature and humidity meter, a digital multimeter, an insulation resistance tester, a flow meter, and a card swiping device.

[0031] In combination with the second aspect, in some implementations of the second aspect, the assembly work flow includes: collecting and scanning the tooling and material bar code through the scanning gun to determine the product and logistics information, sequentially completing torque tightening, multimedia shooting, electrical performance detection, air pressure measurement and other assembly work, and completing end data collection.

[0032] Compared with the prior art, the scheme provided by the present application has at least the following beneficial technical effects:

[0033] (1) The present application adopts an industrial wireless local area network solution specially designed for the actual application scene in the industrial control environment, realizes that the digital mobile assembly station safely accesses the industrial control network through a wireless mode under the premise of controllable industrial network security, and further realizes the mobile operation of the present application in the production area.

[0034] (2) The application is equipped with intelligent tools such as cameras, tightening tools, calipers, tablets, code scanning guns, card swipers, flow meters, digital multimeters, insulation electronic testers, and hygrostats, and an intelligent industrial gateway with data acquisition, edge computing, and numerical control program transmission functions, which can realize communication protocol analysis of intelligent devices with different communication protocols, and automatically acquire, judge, store, and upload quality data such as measurement / testing and tool state data; the application reserves expandable functions, and reserves more than 30% of I / O point resources for the integration of other manufacturing resources in the later stage.

[0035] (3) The intelligent terminal management system with a C / S architecture of the application interfaces with upper systems such as production control systems, automatically receives production tasks, automatically starts work, reports work, and automatically switches programs according to production tasks to realize production process control, obtains relevant operation instruction information of each step from integrated files, guides operators to perform corresponding operations using corresponding manufacturing resources, and automatically receives, stores, and judges production process data. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 It is a schematic diagram of an industrial safety wireless local area network link.

[0037] Figure 2 It is a structural schematic diagram of a digital mobile assembly station data acquisition terminal device.

[0038] Figure 3 It is a business process schematic diagram of an intelligent terminal management system. DETAILED DESCRIPTION

[0039] The application will be described in further detail below in combination with the drawings and specific embodiments.

[0040] The application provides a digital mobile assembly system in an industrial wireless local area network environment.

[0041] Figure 1 The communication link of the digital mobile assembly system is shown. The digital mobile assembly system includes a digital mobile assembly station vehicle body, a safety wireless access gateway, and a workshop industrial control network. The digital mobile assembly station vehicle body includes a safety wireless access module and a data acquisition terminal device. The safety wireless access gateway is connected with the network port of the workshop industrial control network, so that the data acquisition terminal device is connected with the safety wireless access gateway through the safety wireless access module. In a wireless network environment based on safety wireless communication technology, the digital mobile assembly station and the production control network are wirelessly connected. Through the intelligent terminal management system, process data is automatically acquired, uploaded, judged, and stored; and through the real-time data interaction function of the digital mobile assembly station vehicle body, production process data is automatically displayed on the data acquisition display screen.

[0042] Figure 2 The application provides a digital mobile assembly data acquisition terminal device. The data acquisition terminal device has a size of 800 mm x 620 mm x 1000 mm, and a one-piece customized design is adopted for the workstation body, which is deeply optimized in terms of ergonomics, electromagnetic adaptability, structural strength, space utilization, weight reduction and efficiency improvement, and the body is designed with handle structures on both sides to facilitate movement of the body from various directions.

[0043] All the structures and components of the data acquisition terminal device are stably and reliably connected, so that risks caused by displacement and the like are avoided during movement of the body. The body adopts a profile frame, and the outer side is designed to be smooth and flat, and the surface is painted (the color and LOGO can be customized), so that the body is solid, beautiful, strong and durable, and can adapt to various complex working environments; the desktop is green and anti-static; the drawer and the track adopt high-quality domestic standard parts, so that the drawer can be smoothly pulled out and is solid and durable; the heavy-duty castor wheel is impact-resistant and highly wear-resistant.

[0044] The data acquisition terminal device comprises a touch all-in-one machine, a temperature and humidity meter, a safe wireless communication module, a card swiping device, a workstation body desktop, a code scanning gun, a drawer group, a button control panel, a battery system, a heavy-duty static castor wheel, a network interface, a power interface, an HMI, a torque tightening tool and a power expansion interface.

[0045] The workstation body desktop is arranged on the top of the drawer group. The touch all-in-one machine, the temperature and humidity meter, the safe wireless communication module, the card swiping device and the power expansion interface are arranged on the workstation body desktop. The touch all-in-one machine is located at the middle front side of the workstation body desktop, and the power expansion interface and the safe wireless communication module are respectively located at the two sides of the touch all-in-one machine. The temperature and humidity meter is inserted into a slot on the workstation body desktop. The card swiping device is located at the right edge of the workstation body desktop.

[0046] The torque tightening tool is arranged at the left side of the drawer group. The code scanning gun is arranged at the right side of the drawer group. The HMI and the button control panel are arranged below the drawer group. The battery system, the power interface and the network interface are arranged at the left side of the battery system. The heavy-duty static castor wheel is arranged at the lowermost part of the data acquisition terminal device, and is used to move the data acquisition terminal device.

[0047] 1) The touch all-in-one machine adopts an adjustable shade, and the pitch angle can be adjusted according to the use requirement, so as to facilitate operation of the operator.

[0048] 2) The temperature and humidity meter is arranged above the body and at the rear side of the battery box, and is used to monitor the environmental temperature and humidity and the body temperature and humidity, so as to collect the production environmental temperature and humidity data, and to alarm when the battery is overheated, so as to cut off the battery output in time and ensure safety.

[0049] 3) Secure wireless communication module, placed on the upper part of the desktop, to prevent unstable communication caused by signal obstruction.

[0050] 4) Card reader, placed on the desktop, for employee login / logout system and production report card data recording.

[0051] 5) Workstation trolley desktop, including trolley body, appearance parts, anti-static desktop, and various component fixing and installation structures.

[0052] 6) Code scanning gun, scanning workpiece, work order barcode and / or two-dimensional code.

[0053] 7) Drawer group, placed on the front side of the trolley body, convenient to pull out and close, each layer contains different content, tools, measuring tools and intelligent devices are placed in the profiled slots according to needs, to prevent tools from shifting or being damaged during trolley movement.

[0054] 8) Button control panel, connected with power supply and PLC, with power switch, emergency switch, sensors and indicator lights of trace management system.

[0055] 9) Battery system, with battery and inverter in the battery box placed in the lowermost drawer. The battery uses a shell installed in the lowermost layer of the trolley body to stabilize the overall center of gravity.

[0056] 10) Heavy-duty static wheels, made of high-strength polyester wheels, with high hardness, corrosion resistance, impact resistance, high wear resistance, and flexible steering performance, allowing smooth and safe driving on different ground types.

[0057] 11) Network interface, associated with intelligent adaptive industrial gateway, adapting communication interfaces such as Profinet, Ethernet, serial port, etc.

[0058] 12) Power interface, located on the side of the trolley body, convenient to plug in without affecting operation.

[0059] 13) HMI, used for total control equipment and display device status, placed on the front of the device for real-time operation.

[0060] 14) Torque tightening tool, placed on the left side of the trolley body, convenient for operators to use immediately.

[0061] 15) Power expansion interface, placed under the safety cover on the left front of the desktop, with 220V power socket, USB, serial port interface, convenient for subsequent expansion and use of other devices.

[0062] The digital mobile assembly system in the industrial wireless local area network environment provided by the application is a soft and hard combined system, mainly integrating industrial wireless communication hardware and intelligent industrial gateway system, and connecting intelligent assembly tools, intelligent detection tools and the like. Through loading the intelligent terminal management system on the digital mobile assembly data acquisition terminal device, the production task receiving and result uploading functions are supported, the production task issued by the upper system is received, the production result and process data are returned to the upper system, and the result is uploaded to the integrated system platform in real time. The specific business process is as follows Figure 3 .

[0063] Step 1, before applying the digital mobile assembly station, a safe wireless access gateway is deployed in the actual application scene industrial control environment, a small and customized safe wireless access module is configured on the digital mobile assembly station vehicle body, and the data acquisition terminal device is safely accessed to the wireless network.

[0064] Step 2, through the data acquisition terminal device, the station intelligent terminal management system is opened, the process quality integrated file issued by the production line management system is received, the required intelligent tool is bound and loaded according to the task requirements of the work step, and the sub-workstep assembly work is started.

[0065] Step 3, before the sub-workstep execution, the operator clicks the link intelligent tool, the safe wireless access gateway connected with the digital mobile assembly station vehicle body parses the communication protocol thereof, connection messages are issued to the multimedia acquisition device, torque tightening tool, code scanning gun, temperature and humidity meter, digital multimeter, insulation resistance tester, flowmeter, card swiping device and other intelligent tools, state messages are returned after the connection of the related controllers, the list data binding is completed, and the intelligent tool is successfully connected.

[0066] Step 4, after the data acquisition terminal device displays that the intelligent tool connection is normal, the operator sets related parameters in the sub-workstep, issues an execution instruction to the intelligent tool, automatically collects the end execution data of the intelligent tool after the operation, and binds the end execution data with the instruction list data.

[0067] The example process of the assembly work is as follows: the product and logistics information are determined by scanning the tool and material bar code through the scanning gun, the torque tightening, multimedia shooting, electrical performance detection, air pressure measurement and other assembly work are sequentially completed, and the end data acquisition is completed.

[0068] Step 5, after the completion of each sub-workstep, the end execution data of the intelligent tool bound with the execution instruction is automatically returned to the intelligent terminal management system, the operator completes the production report confirmation, uploads the data to the production line management system and forms a data package, and finally returns to the integrated file in the process quality integrated file system, so as to facilitate the technical personnel to carry out process optimization, quality improvement and other business activities.

[0069] The intelligent terminal management system supports management setting and data result reporting of offline intelligent manufacturing resources on site, can report the data result and production task documents in association after centralized offline operation task completion in a network environment. In an industrial safety wireless local area network environment, production tasks can be issued at any time, end data can be collected in real time, and on-site production can be safer, more efficient and more intelligent.

[0070] In the wireless network environment based on the industrial wireless local area network communication technology, the application realizes wireless connection of equipment and production control network; through the intelligent terminal management system, automatic collection, uploading, judgment and storage of process data are realized; through the production management system and real-time data analysis function of the digital mobile assembly station, production process data collection is realized; industrial all-in-one machine and industrial PAD are carried, various upper system clients are deployed, and task information, process information, manufacturing resources, manufacturing process data, test data and other information are visually displayed.

[0071] Although the application is disclosed in the above preferred embodiments, it is not intended to limit the application, and any person skilled in the art can make possible changes and modifications without departing from the spirit and scope of the application, therefore, the protection scope of the application should be defined by the scope defined in the claims of the application.

Claims

1. A digital mobile assembly system in an industrial wireless local area network environment, characterized by, The digital mobile assembly workstation vehicle body, the safe wireless access gateway and the workshop industrial control network are included; the digital mobile assembly workstation vehicle body includes a safe wireless access module and a data acquisition terminal device; the safe wireless access gateway is connected with a network port of the workshop industrial control network, so that the data acquisition terminal device is connected with the safe wireless access gateway through the safe wireless access module; under the wireless network environment based on the safe wireless communication technology, the wireless connection of the digital mobile assembly workstation and the production control network is realized; the automatic acquisition, uploading, judgment and storage of process data are realized through the intelligent terminal management system carried; and through the real-time data interaction function of the digital mobile assembly workstation vehicle body, the automatic display of the production process data on the data acquisition display screen is realized. The data acquisition terminal device includes a workstation vehicle body desktop, a touch all-in-one machine, a temperature and humidity meter, a safe wireless communication module, a card reader and a power supply expansion interface; the touch all-in-one machine is located at the middle front side of the workstation vehicle body desktop, the power supply expansion interface and the safe wireless communication module are respectively located at the two sides of the touch all-in-one machine; the temperature and humidity meter is inserted into a slot on the workstation vehicle body desktop; the card reader is located at the right edge of the workstation vehicle body desktop. The data acquisition terminal device includes a code scanning gun, a drawer group, a button control panel, a battery system, a heavy load electrostatic caster, a network interface, a power supply interface, an HMI, a torque tightening tool and a power supply expansion interface; the workstation vehicle body desktop is arranged on the top of the drawer group; the torque tightening tool is arranged on the left side of the drawer group; the code scanning gun is arranged on the right side of the drawer group; the HMI and the button control panel are arranged below the drawer group; the battery system is arranged below the button control panel; the power supply interface and the network interface are located on the left side of the battery system; the heavy load electrostatic caster is arranged at the lowermost part of the data acquisition terminal device, and is used for realizing the movement of the data acquisition terminal device. The touch all-in-one machine adopts an adjustable mask, and the pitch angle can be adjusted. The temperature and humidity meter is arranged above the vehicle body and at the rear side of the battery box, and simultaneously monitors the environment temperature and humidity and the vehicle body temperature and humidity, is used for collecting production environment temperature and humidity data, abnormally alarms when the battery overheats, timely cuts off the battery output, and guarantees safety. The safe wireless communication module is arranged on the upper part of the desktop, and prevents unstable communication caused by signal shielding. The card reader is arranged on the desktop, and is used for recording the data of employee login / logout system and production reporting. The code scanning gun is used for scanning workpieces, work order bar codes and / or two-dimensional codes. The drawer group is arranged on the front side of the vehicle body, is convenient to draw and close, each layer is arranged with different contents, tools, measuring tools and intelligent devices are arranged in profiled slots to prevent the tools from being displaced or damaged during the movement of the vehicle body. The button control panel is connected with the power supply and the PLC, and includes a power switch, an emergency switch, a sensor of the trace management system and an indicator. The battery system is configured with batteries and an inverter of the battery box, and is arranged in the lowermost drawer; the battery adopts a shell, and is installed on the lowermost layer of the vehicle body to stabilize the gravity center of the whole vehicle. The heavy load electrostatic caster adopts a high-strength polyester wheel. The network interface is associated with an intelligent adaptive industrial gateway, and adapts to Profinet, Ethernet and serial communication interfaces. The power interface is located on the side of the vehicle body; The HMI is used for overall control of the equipment and display of the equipment state, and is placed on the front of the equipment; The torque tightening tool is placed on the left slot of the vehicle body; The power extension interface is placed under the safety cover plate in the front left of the table, and is configured with a 220V power socket, a USB, and a serial port interface.

2. The digitizing mobile assembly system of claim 1, wherein, The data acquisition terminal equipment has an outer dimension of 800mmx620mmx1000mm.

3. A method of using a digital mobile assembly system in an industrial wireless LAN environment as claimed in claim 1 or 2, characterized in that, The application comprises the following steps: Before the digital mobile assembly station is applied, a secure wireless access gateway is deployed in an actual application scene industrial control environment, and a secure wireless access module is configured on the vehicle body of the digital mobile assembly station to realize secure access of the data acquisition terminal equipment to a wireless network; Through the data acquisition terminal equipment, an intelligent terminal management system is opened, a process quality integrated file is received from a production line management system, an intelligent tool is bound and loaded according to a task requirement of a work step, and sub-work step assembly work is started to be executed; After each sub-work step is completed, end execution data of the intelligent tool bound with an execution instruction is automatically transmitted back to the intelligent terminal management system, data is uploaded to the production line management system and a data packet is formed after production reporting is confirmed, and finally the data is returned to an integrated file in the process quality integrated file system.

4. The method of use of claim 3, wherein, Before the sub-work step is executed, the process of linking the intelligent tool comprises the following steps: A secure wireless access gateway connected with the digital mobile assembly station sends a connection message to the intelligent tool according to a communication protocol, returns a state message after connecting a related controller, completes list data binding, and successfully connects the intelligent tool; After the data acquisition terminal equipment displays that the intelligent tool is connected normally, related parameters are set in the sub-work step, an execution instruction is sent to the intelligent tool, end execution data of the intelligent tool is automatically collected after operation is completed, and the end execution data is bound with the instruction list data.

5. The method of use of claim 4, wherein, The intelligent tool comprises at least one of the following: a multimedia acquisition device, a torque tightening tool, a code scanning gun, a temperature and humidity meter, a digital multimeter, an insulation resistance tester, a flowmeter, and a card swiping device.

6. The method of use of claim 4, wherein, The assembly work process comprises the following steps: product and logistics information is determined by scanning a tool and material barcode through a scanning gun, torque tightening, multimedia shooting, electrical performance detection, and air pressure measurement are sequentially completed, and end data acquisition is completed.

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