CN116634398A - Method and system for sharing production data of automobile part production line - Google Patents

Method and system for sharing production data of automobile part production line Download PDF

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Publication number
CN116634398A
CN116634398A CN202310919002.XA CN202310919002A CN116634398A CN 116634398 A CN116634398 A CN 116634398A CN 202310919002 A CN202310919002 A CN 202310919002A CN 116634398 A CN116634398 A CN 116634398A
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data
communication module
equipment
verification
communication
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CN202310919002.XA
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CN116634398B (en
Inventor
李昕
陆定邦
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Guangdong University of Technology
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Guangdong University of Technology
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/30—Computing systems specially adapted for manufacturing

Abstract

The application is applicable to the technical field of electric digital data processing, and particularly relates to a method and a system for sharing production data of an automobile part production line, wherein the method comprises the following steps: entering a data sharing mode, and receiving working parameters acquired from equipment to be shared; detecting wireless communication signals, identifying equipment and connecting with a communication module; the method comprises the steps of carrying out data pre-transmission with a communication module, receiving a pre-verification data packet, and carrying out identity verification through the verification data packet; after verification is passed, the communication module is disconnected with the local area network, receives working parameters acquired from equipment to be shared through the communication module, monitors real-time signals, and switches the communication module. According to the application, in the process of checking or overhauling, the equipment is pre-connected with the local area network, so that in the process of overhauling, data transmission is carried out according to the communication module on the production line, and in the moving process of overhauling equipment, seamless switching of the equipment is realized, the overhauling efficiency is improved, and the load on the local area network is reduced.

Description

Method and system for sharing production data of automobile part production line
Technical Field
The application belongs to the technical field of electric digital data processing, and particularly relates to a method and a system for sharing production data of an automobile part production line.
Background
The automobile parts are units constituting the whole automobile parts processing, and products serving the automobile parts processing.
In the current automobile part production process, no matter be cylinder cap, organism, oil pan or other spare part, all have a set of independent production line, in the in-process that the production line produced, need carry out data acquisition to the production line, and when needing to overhaul or inspect, acquire the parameter or carry out the parameter through a plurality of display device on the production line and draw the complex operation, be inconvenient for extracting data.
Disclosure of Invention
The embodiment of the application aims to provide a method for sharing production data of an automobile part production line, which aims to solve the problems that parameters are acquired through a background or parameter extraction operations are complicated through a plurality of display devices on the production line, and data extraction is inconvenient.
The embodiment of the application is realized in such a way that the production data sharing method of the automobile part production line comprises the following steps:
entering a data sharing mode, and receiving working parameters acquired from equipment to be shared through a local area network;
performing wireless communication signal detection, performing equipment identification based on a preset signal intensity limit value, and connecting with a communication module on a production line;
the method comprises the steps of carrying out data pre-transmission with a communication module, receiving a pre-verification data packet through a local area network, and carrying out identity verification through the verification data packet;
after verification is passed, the communication module is disconnected with the local area network, receives working parameters acquired from equipment to be shared through the communication module, monitors real-time signals, and switches the communication module.
Preferably, the step of performing wireless communication signal detection, performing equipment identification based on a preset signal intensity limit value, and connecting with a communication module on a production line specifically includes:
detecting wireless communication signals of surrounding equipment, and extracting a communication module with signal strength higher than a signal strength limit value;
the method comprises the steps of sending identity verification data to a communication module and receiving communication feedback data, wherein the communication feedback data are from a plurality of different communication modules;
and carrying out identity verification based on the identity verification data and the communication feedback data, determining a communication module to be connected, and establishing data connection with the communication module.
Preferably, the step of performing data pre-transmission with the communication module, receiving a pre-verification data packet through the local area network, and performing identity verification through the verification data packet specifically includes:
transmitting a data request to the communication module, and carrying out data pre-transmission with the communication module, wherein the data request comprises a request occurrence time sequence;
receiving a pre-verification data packet through a local area network, and receiving data packet verification data from a communication module, wherein the pre-verification data packet comprises time information and a serial number;
and finishing identity verification according to the pre-verification data packet and the data packet verification data, and determining the communication module to be connected.
Preferably, after the verification is passed, the device is disconnected from the local area network, and receives working parameters collected by the equipment to be shared through the communication module, monitors real-time signals, and switches the communication module, which specifically comprises the following steps:
after passing the verification, disconnecting the device from the local area network, and simultaneously transmitting data with the communication module to receive the working parameters acquired by the equipment to be shared;
continuously detecting the wireless communication signal, and judging whether to switch equipment or not based on the wireless communication signal obtained by detection;
when the equipment is switched, after data connection is established with the local area network, the local area network is disconnected with the current communication equipment, and the switching of the communication equipment is completed.
Preferably, the wireless communication signal is a bluetooth signal or a Wifi signal.
Preferably, entering a data sharing mode selects a communication module as the device to be shared.
Another object of an embodiment of the present application is to provide a system for sharing production data of an automobile part production line, the system including:
the data acquisition module is used for entering a data sharing mode and receiving working parameters acquired from equipment to be shared through a local area network;
the device pre-connection module is used for detecting wireless communication signals, identifying devices based on a preset signal intensity limit value and connecting with the communication module on the production line;
the identity verification module is used for carrying out data pre-transmission with the communication module, receiving a pre-verification data packet through the local area network and carrying out identity verification through the verification data packet;
and the equipment switching module is used for disconnecting with the local area network after verification is passed, receiving the working parameters acquired by the equipment to be shared through the communication module, monitoring the real-time signals and switching the communication module.
Preferably, the device pre-connection module includes:
the device information extraction unit is used for detecting wireless communication signals of surrounding devices and extracting communication modules with signal intensity higher than a signal intensity limit value;
the data receiving and transmitting unit is used for sending the authentication data to the communication module and receiving communication feedback data, wherein the communication feedback data are from a plurality of different communication modules;
and the data communication unit is used for carrying out identity verification based on the identity verification data and the communication feedback data, determining the communication module to be connected and establishing data connection with the communication module.
Preferably, the identity verification module includes:
the data pre-transmission unit is used for sending a data request to the communication module and carrying out data pre-transmission with the communication module, wherein the data request comprises a request occurrence time sequence;
the two-wire communication unit is used for receiving a pre-verification data packet through the local area network and receiving data packet verification data from the communication module, wherein the pre-verification data packet comprises time information and a serial number;
the device identification unit is used for completing identity verification according to the pre-verification data packet and the data packet verification data and determining the communication module to be connected.
Preferably, the device switching module includes:
the first data source switching unit is used for disconnecting with the local area network after verification is passed, and meanwhile, transmitting data with the communication module and receiving working parameters acquired from equipment to be shared;
the switching judging unit is used for continuously detecting the wireless communication signal and judging whether to switch the equipment or not based on the wireless communication signal obtained by detection;
and the second data source switching unit is used for disconnecting the current communication equipment after establishing data connection with the local area network when the equipment is switched, so as to finish the switching of the communication equipment.
According to the production data sharing method for the automobile part production line, which is provided by the embodiment of the application, in the process of checking or overhauling, the equipment is subjected to seamless switching in the process of overhauling according to the direct data transmission of the communication module on the production line and the moving of the overhauling equipment by being connected with the local area network in advance, so that the overhauling efficiency is improved, and the load on the local area network is reduced.
Drawings
FIG. 1 is a flow chart of a method for sharing production data of an automobile part production line according to an embodiment of the application;
FIG. 2 is a flowchart illustrating steps for performing wireless communication signal detection, performing device identification based on a preset signal strength limit, and connecting with a communication module on a production line according to an embodiment of the present application;
FIG. 3 is a flowchart illustrating steps for performing data pre-transmission with a communication module, receiving a pre-verification data packet through a local area network, and performing identity verification through the verification data packet according to an embodiment of the present application;
FIG. 4 is a flowchart showing steps for disconnecting from a LAN, receiving working parameters from a device to be shared through a communication module, monitoring real-time signals, and switching the communication module after verification is passed;
FIG. 5 is a schematic diagram of an architecture of a production line production data sharing system for an automobile part according to an embodiment of the present application;
FIG. 6 is a schematic diagram of a device pre-connection module according to an embodiment of the present application;
fig. 7 is a schematic diagram of an authentication module according to an embodiment of the present application;
fig. 8 is an architecture diagram of a device switching module according to an embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
As shown in fig. 1, a flowchart of a method for sharing production data of an automobile part production line according to an embodiment of the present application includes:
s100, entering a data sharing mode, and receiving working parameters acquired from equipment to be shared through a local area network.
In this step, entering a data sharing mode, when maintenance or inspection is required, selecting to enter the data sharing mode, entering the data sharing mode means that the maintenance equipment can acquire collected parameters from communication modules on each production line, for example, on an automobile part production line, the maintenance equipment is divided into a plurality of working procedures, each working procedure is configured with a communication module, the communication module collects data generated in the working procedure and transmits the data to a background for centralized storage through a local area network, when maintenance is required, the maintenance equipment can be used as maintenance equipment through a mobile device such as a tablet personal computer, and after entering the data sharing mode, the maintenance equipment is connected with the local area network, the communication module corresponding to the working procedure is selected for data transmission, and at the moment, the data transmitted by the communication module is transmitted to the maintenance equipment through the local area network, so that the data transmitted by the communication module is required to occupy the data transmission resources of the local area network, and the data transmitted by the communication module is the working parameters to be collected by the equipment to be shared.
S200, wireless communication signal detection is carried out, equipment identification is carried out based on a preset signal intensity limit value, and the wireless communication signal detection is connected with a communication module on a production line.
In this step, carry out wireless communication signal detection, specifically, can carry out signal detection through Wifi, also can carry out signal detection through bluetooth, this embodiment takes bluetooth communication as an example, the process of Wifi transmission is the same with bluetooth transmission's process, need not be repeated, carry out bluetooth signal detection, can learn the intensity of the bluetooth signal that each process corresponds the communication module that sends in the present region through maintenance equipment, when its signal strength value is higher than the default, then begin to carry out data connection with this communication equipment, the data connection who carries out this moment is the pre-connection, in the in-process of pre-connection, have the format requirement to the data content of transmission, in order to guarantee data transmission's security.
S300, data pre-transmission is carried out with the communication module, a pre-verification data packet is received through the local area network, and identity verification is carried out through the verification data packet.
In this step, after the data pre-transmission is established with the communication module, the maintenance equipment continuously acquires the data sent by the communication module through the local area network, the received data is transmitted to the communication module through the Bluetooth, after the communication module receives the data, data checking is performed, if the received data is matched with the data sent by the communication module, the verification of the maintenance equipment is judged to be passed, the pre-connection equipment is converted into formal connection, the format limitation of the data transmission content is removed, the data acquired by the pre-connection equipment is directly sent to the maintenance equipment in a Bluetooth mode, and at the moment, the data sent to the maintenance equipment can reach the maintenance equipment without the need of the local area network, but is directly transmitted in a Bluetooth mode.
And S400, disconnecting the device from the local area network after verification is passed, receiving the working parameters acquired by the equipment to be shared through the communication module, monitoring the real-time signals, and switching the communication module.
In this step, after verification, the data is disconnected from the lan, because the preliminary data connection is already established, the data can be directly disconnected from the lan without going through the lan, at this time, the data is transmitted to the maintenance device through bluetooth, and certainly, in the maintenance process, each procedure needs to be examined, therefore, it needs to be switched between each communication device, in order to improve convenience, signal monitoring is performed in real time, when the signal strength sent by the currently connected communication module is reduced, and a new communication module appears, the data connection is established with the new communication module, the above process automatically realizes the switching of the communication modules according to the strength of bluetooth signals, if the distance between each communication module on the production line is small, the corresponding communication module can be selected for connection in a manual selection mode, that is, after the bluetooth signal of the communication module is detected, the switching is performed, and in the switching, the device verification is performed according to the above process again, so that the safety of the data transmission can be ensured, and the situation of the data loss can be avoided on the other hand.
As shown in fig. 2, as a preferred embodiment of the present application, the step of performing wireless communication signal detection, performing device identification based on a preset signal strength limit, and connecting with a communication module on a production line specifically includes:
s201, detecting wireless communication signals of surrounding equipment, and extracting a communication module with signal strength higher than a signal strength limit value.
In this step, the wireless communication signals of the surrounding devices are detected, specifically, the bluetooth signal intensity of the surrounding communication module is detected, the real-time monitored bluetooth signal intensity is compared with a preset signal intensity limit value, and when the bluetooth signal intensity is higher than the signal intensity limit value, the communication module is indicated to be capable of being connected.
S202, sending authentication data to the communication module and receiving communication feedback data from a plurality of different communication modules.
In this step, authentication data is sent to the communication modules, and by performing signal strength detection, a plurality of communication modules meeting the conditions are detected at the same time, and in order to locate the selected communication module, data connection is established with each communication module, and authentication data including fixed content is sent thereto.
And S203, carrying out identity verification based on the identity verification data and the communication feedback data, determining a communication module to be connected, and establishing data connection with the communication module.
In this step, the authentication is performed based on the authentication data and the communication feedback data, after the communication module receives the authentication data, the communication feedback data is sent to the maintenance device, the communication feedback data at least includes a unique identity code of the communication device, and the maintenance device can query or compare the unique identity code of the selected communication module through the local area network, and if the two are the same, a data pre-connection is established with the communication module.
As shown in fig. 3, as a preferred embodiment of the present application, the steps of pre-transmitting data with the communication module, receiving a pre-verification data packet through the lan, and performing identity verification through the verification data packet specifically include:
s301, sending a data request to the communication module, and carrying out data pre-transmission with the communication module, wherein the data request comprises a request occurrence time sequence.
In this step, a data request is sent to the communication module, and because the data collected by the communication module is continuously transmitted, the data is packed according to a specific preset time interval, and each packed data packet is numbered, the data packet is sent to the local area network according to the serial number sequence, and is sent to the background for storage through the local area network, the data packet also records the generation time and the transmission time of the data, and the maintenance equipment can obtain the data packet through the local area network, and when the maintenance equipment selects one communication module, the data packet sent by the communication module is synchronously sent to the maintenance equipment.
S302, a pre-verification data packet is received through the local area network, and data packet verification data is received from the communication module, wherein the pre-verification data packet comprises time information and a serial number.
In this step, the pre-verification data packet is received through the local area network, where the pre-verification data packet is a data packet received by the maintenance device from the local area network, in order to verify the identity of the current maintenance device, a data request is sent to the communication module, and data is pre-transmitted with the communication module, at this time, the data sent by the maintenance device can be temporarily stored in the communication module, the communication module can only read the data, the maintenance device sends the data packet received through the local area network to the communication module, and the communication module performs content comparison according to the number of the data packet, so as to generate data packet verification data.
S303, finishing identity verification according to the pre-verification data packet and the data packet verification data, and determining the communication module to be connected.
In this step, authentication is completed according to the pre-authentication data packet and the data packet authentication data, and the authentication result is recorded in the data packet authentication data, and if the matching degree of the pre-authentication data packet and the data packet authentication data is greater than a preset value, it is indicated that the maintenance equipment passes equipment authentication, and then the current communication module is the communication module to be connected.
As shown in fig. 4, as a preferred embodiment of the present application, after the verification is passed, the communication module is disconnected from the lan, receives the working parameters collected from the device to be shared, monitors the real-time signals, and switches the communication module, which specifically includes:
s401, disconnecting the device from the local area network after verification is passed, and meanwhile, transmitting data with the communication module, and receiving the working parameters acquired from the device to be shared.
In this step, after the verification is passed, the communication module is disconnected from the lan, and at this time, the communication module determines the number of the communication module according to the data packet sent by the maintenance device, so that the data packet is directly sent to the maintenance device through the bluetooth signal, for example, the number sent by the maintenance device is 005, 006, 007, and no matter what data packet has been sent by the communication module through the lan, the communication module must start to send from the data packet No. 008 by means of bluetooth.
S402, continuously detecting the wireless communication signal, and judging whether to switch the equipment or not based on the wireless communication signal obtained by detection.
In this step, the wireless communication signal is continuously detected, and different communication modules need to be connected in the overhaul process, so that manual switching is not required during switching, the information of the current overhaul equipment is recorded in the local area network, and then the pre-verification process can be reduced when the current overhaul equipment is connected with other equipment, and the communication module which needs to be connected at present, namely the communication module with the strongest signal is always connected, is determined through the strength of the wireless communication signal.
S403, when the equipment is switched, after data connection is established with the local area network, the local area network is disconnected with the current communication equipment, and the switching of the communication equipment is completed.
In this step, when the device is switched, after establishing data connection with the lan, the wireless communication is disconnected, and communication through the lan is started, so that the step disclosed in the present application is repeated by switching the communication module.
As shown in fig. 5, an embodiment of the present application provides a production data sharing system for an automobile part production line, where the system includes:
the data acquisition module 100 is configured to enter a data sharing mode, and receive, through the local area network, an operating parameter acquired from a device to be shared.
In the system, the data acquisition module 100 enters a data sharing mode, when maintenance or inspection is required, the data acquisition module is selected to enter the data sharing mode, the data sharing mode means that the maintenance equipment can acquire acquired parameters from communication modules on each production line, for example, on an automobile part production line, the maintenance equipment is divided into a plurality of working procedures, each working procedure is provided with a communication module, the communication modules acquire data generated by the working procedure and transmit the data to a background for centralized storage through a local area network, when the maintenance is performed, the data acquisition module can be connected with the local area network through the maintenance equipment through mobile equipment such as a tablet personal computer and the like as the maintenance equipment after entering the data sharing mode, the communication module corresponding to the working procedure is selected for data transmission, and the data transmitted by the communication module is transmitted to the maintenance equipment through the local area network, so that the data transmitted by the communication module is required to occupy data transmission resources of the local area network and is the working parameters acquired by the equipment to be shared.
The device pre-connection module 200 is configured to perform wireless communication signal detection, perform device identification based on a preset signal intensity limit, and connect with a communication module on a production line.
In this system, the device pre-connection module 200 performs wireless communication signal detection, specifically, signal detection can be performed through Wifi, and signal detection can also be performed through bluetooth, in this embodiment, bluetooth communication is taken as an example, the process of Wifi transmission is the same as that of bluetooth transmission, and is not repeated, bluetooth signal detection is performed, the strength of bluetooth signals sent by the communication module corresponding to each procedure in the current area can be obtained through maintenance equipment, when the signal strength value is higher than a preset value, data connection with the communication device is started, and at this time, the data connection performed at this time is pre-connection, and in the pre-connection process, format requirements are provided for the transmitted data content, so as to ensure the security of data transmission.
The authentication module 300 is configured to perform data pre-transmission with the communication module, receive a pre-authentication data packet through the lan, and perform authentication through the authentication data packet.
In the system, the authentication module 300 performs data pre-transmission with the communication module, after the pre-transmission is established, the maintenance equipment continuously acquires data sent by the communication module through the local area network, the received data is transmitted to the communication module through the Bluetooth, after the communication module receives the data, data checking is performed, if the received data is matched with the data sent by the communication module, the maintenance equipment is judged to pass the authentication, the pre-connection equipment is converted into formal connection, the format limitation of data transmission content is removed, the data acquired by the pre-connection equipment is directly sent to the maintenance equipment in a Bluetooth mode, and at the moment, the data sent to the maintenance equipment can reach the maintenance equipment without the need of the local area network, but is directly transmitted in the Bluetooth mode.
And the device switching module 400 is used for disconnecting from the local area network after verification is passed, receiving the working parameters acquired by the device to be shared through the communication module, monitoring the real-time signals and switching the communication module.
In the system, the device switching module 400 is disconnected from the local area network after verification, and the data can be directly disconnected from the local area network without going through the local area network because the primary data connection is already established, at this time, the data is transmitted to the maintenance device through bluetooth, of course, each process needs to be examined in the maintenance process, and therefore, each communication device needs to be switched, in order to improve convenience, signal monitoring is performed in real time, when the signal intensity sent by the currently connected communication module is reduced, and a new communication module appears, the data connection is established with the new communication module, the process automatically realizes the switching of the communication modules according to the intensity of bluetooth signals, if the distance between each communication module on the production line is small, the situation that the signal overlapping range is large easily appears, the corresponding communication module can be selected through a manual selection mode, namely, after the selection of the communication module is completed, the bluetooth signal of the communication module is detected, the switching is performed, and in the switching, the device verification needs to be performed again according to the process, on the one hand, the safety of data transmission can be ensured, on the other hand, the synchronism of the data can be ensured, and the situation of the data can be avoided.
As shown in fig. 6, as a preferred embodiment of the present application, the device pre-connection module 200 includes:
the device information extraction unit 201 is configured to detect wireless communication signals of surrounding devices, and extract a communication module with signal strength higher than a signal strength limit value.
In this module, the device information extraction unit 201 detects wireless communication signals of surrounding devices, specifically, detects bluetooth signal intensity of a surrounding communication module, compares the bluetooth signal intensity monitored in real time with a preset signal intensity limit value, and when the bluetooth signal intensity is higher than the signal intensity limit value, indicates that the communication module can be connected.
The data transceiver unit 202 is configured to send authentication data to the communication module and receive communication feedback data, where the communication feedback data is from a plurality of different communication modules.
In this module, the data transceiver 202 sends authentication data to the communication modules, and by detecting the signal strength, a plurality of communication modules that meet the conditions are detected at the same time, and in order to locate the selected communication module, a data connection is established with each communication module, and authentication data including a fixed content is sent thereto.
The data communication unit 203 is configured to perform authentication based on the authentication data and the communication feedback data, determine a communication module to be connected, and establish a data connection with the communication module.
In this module, the data communication unit 203 performs identity verification based on the identity verification data and the communication feedback data, and after the communication module receives the identity verification data, the communication feedback data is sent to the maintenance device, where the communication feedback data at least includes a unique identity code of the communication device, and the maintenance device can query or compare the unique identity code of the selected communication module with the local area network, and if the unique identity code is the same, establish a data pre-connection with the communication module.
As shown in fig. 7, as a preferred embodiment of the present application, the authentication module 300 includes:
the data pre-transmission unit 301 is configured to send a data request to the communication module, and perform data pre-transmission with the communication module, where the data request includes a request occurrence time sequence.
In this module, the data pre-transmission unit 301 sends a data request to the communication module, because the data collected by the communication module is continuously transmitted, the data is specifically packaged according to a preset time interval, each packaged data packet is numbered, the data packets are sent to the local area network according to the serial number sequence, the local area network is used for storing the data packets, the data packets are further recorded with the generation time and the transmission time of the data, the maintenance equipment can obtain the data packets through the local area network, and when the maintenance equipment selects one communication module, the data packets sent by the communication module are synchronously sent to the maintenance equipment.
The two-wire communication unit 302 is configured to receive a pre-verification data packet through the lan, and receive data packet verification data from the communication module, where the pre-verification data packet includes time information and a serial number.
In this module, the two-wire communication unit 302 receives a pre-verification data packet through the local area network, where the pre-verification data packet is a data packet received by the maintenance device from the local area network, and in order to verify the identity of the current maintenance device, sends a data request to the communication module, and performs data pre-transmission with the communication module, where the data sent by the maintenance device may be temporarily stored in the communication module, the communication module can only read the data, and the maintenance device sends the data packet received through the local area network to the communication module, where the communication module performs content comparison according to the number of the data packet, so as to generate data packet verification data.
The device identification unit 303 is configured to complete identity verification according to the pre-verification data packet and the data packet verification data, and determine a communication module to be connected.
In this module, the device identification unit 303 completes identity verification according to the pre-verification data packet and the data packet verification data, records the verification result in the data packet verification data, and if the matching degree of the pre-verification data packet and the data packet verification data is greater than the preset value, it indicates that the overhaul equipment passes the device verification, and then the current communication module is the communication module to be connected.
As shown in fig. 8, as a preferred embodiment of the present application, the device switching module 400 includes:
the first data source switching unit 401 is configured to disconnect from the lan after the verification is passed, and at the same time perform data transmission with the communication module, and receive the operating parameters collected from the device to be shared.
In this module, the first data source switching unit 401 is disconnected from the lan after the verification is passed, at this time, the communication module determines the number of the packet according to the packet sent by the service device, so that the packet is directly sent to the service device through the bluetooth signal, for example, the number of the packet sent by the service device is 005, 006, 007, and no matter what packet has been sent by the communication module through the lan, it must be sent from the 008 number packet by means of bluetooth.
The switching determination unit 402 is configured to continuously detect the wireless communication signal, and determine whether to perform device switching based on the detected wireless communication signal.
In this module, the switching determination unit 402 continuously detects the wireless communication signal, and in the maintenance process, different communication modules need to be connected, so that manual switching is not needed during switching, the information of the current maintenance device is recorded in the local area network, and then the pre-verification process can be reduced when the current maintenance device is connected with other devices, and the communication module which needs to be connected at present, namely the communication module with the strongest signal is always connected, is determined according to the intensity of the wireless communication signal.
The second data source switching unit 403 is configured to disconnect the current communication device after establishing a data connection with the lan when performing device switching, and complete the communication device switching.
In this module, when the second data source switching unit 403 establishes a data connection with the lan and then disconnects the wireless communication, and starts to communicate through the lan, the switching communication module repeats the steps disclosed in the present application.
In one embodiment, a computer device is presented, the computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
entering a data sharing mode, and receiving working parameters acquired from equipment to be shared through a local area network;
performing wireless communication signal detection, performing equipment identification based on a preset signal intensity limit value, and connecting with a communication module on a production line;
the method comprises the steps of carrying out data pre-transmission with a communication module, receiving a pre-verification data packet through a local area network, and carrying out identity verification through the verification data packet;
after verification is passed, the communication module is disconnected with the local area network, receives working parameters acquired from equipment to be shared through the communication module, monitors real-time signals, and switches the communication module.
In one embodiment, a computer readable storage medium is provided, having a computer program stored thereon, which when executed by a processor causes the processor to perform the steps of:
entering a data sharing mode, and receiving working parameters acquired from equipment to be shared through a local area network;
performing wireless communication signal detection, performing equipment identification based on a preset signal intensity limit value, and connecting with a communication module on a production line;
the method comprises the steps of carrying out data pre-transmission with a communication module, receiving a pre-verification data packet through a local area network, and carrying out identity verification through the verification data packet;
after verification is passed, the communication module is disconnected with the local area network, receives working parameters acquired from equipment to be shared through the communication module, monitors real-time signals, and switches the communication module.
It should be understood that, although the steps in the flowcharts of the embodiments of the present application are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in various embodiments may include multiple sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, nor do the order in which the sub-steps or stages are performed necessarily performed in sequence, but may be performed alternately or alternately with at least a portion of the sub-steps or stages of other steps or other steps.
Those skilled in the art will appreciate that all or part of the processes in the methods of the above embodiments may be implemented by a computer program for instructing relevant hardware, where the program may be stored in a non-volatile computer readable storage medium, and where the program, when executed, may include processes in the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the application and are described in detail herein without thereby limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.

Claims (10)

1. The method for sharing production data of the automobile part production line is characterized by comprising the following steps of:
entering a data sharing mode, and receiving working parameters acquired from equipment to be shared through a local area network;
performing wireless communication signal detection, performing equipment identification based on a preset signal intensity limit value, and connecting with a communication module on a production line;
the method comprises the steps of carrying out data pre-transmission with a communication module, receiving a pre-verification data packet through a local area network, and carrying out identity verification through the verification data packet;
after verification is passed, the communication module is disconnected with the local area network, receives working parameters acquired from equipment to be shared through the communication module, monitors real-time signals, and switches the communication module.
2. The method for sharing production data of an automobile part production line according to claim 1, wherein the step of performing wireless communication signal detection, performing equipment identification based on a preset signal intensity limit, and connecting with a communication module on the production line specifically comprises the following steps:
detecting wireless communication signals of surrounding equipment, and extracting a communication module with signal strength higher than a signal strength limit value;
the method comprises the steps of sending identity verification data to a communication module and receiving communication feedback data, wherein the communication feedback data are from a plurality of different communication modules;
and carrying out identity verification based on the identity verification data and the communication feedback data, determining a communication module to be connected, and establishing data connection with the communication module.
3. The method for sharing production data of an automobile part production line according to claim 1, wherein the step of pre-transmitting data with the communication module, receiving a pre-verification data packet through the local area network, and performing identity verification through the verification data packet specifically comprises the steps of:
transmitting a data request to the communication module, and carrying out data pre-transmission with the communication module, wherein the data request comprises a request occurrence time sequence;
receiving a pre-verification data packet through a local area network, and receiving data packet verification data from a communication module, wherein the pre-verification data packet comprises time information and a serial number;
and finishing identity verification according to the pre-verification data packet and the data packet verification data, and determining the communication module to be connected.
4. The method for sharing production data of an automobile part production line according to claim 1, wherein after the verification is passed, the method is disconnected with a local area network, and receives working parameters collected from equipment to be shared through a communication module, monitors real-time signals, and switches the communication module, and specifically comprises the following steps:
after passing the verification, disconnecting the device from the local area network, and simultaneously transmitting data with the communication module to receive the working parameters acquired by the equipment to be shared;
continuously detecting the wireless communication signal, and judging whether to switch equipment or not based on the wireless communication signal obtained by detection;
when the equipment is switched, after data connection is established with the local area network, the local area network is disconnected with the current communication equipment, and the switching of the communication equipment is completed.
5. The method for sharing production data of an automobile part production line according to claim 1, wherein the wireless communication signal is a bluetooth signal or a Wifi signal.
6. The method for sharing production data of an automobile part production line according to claim 1, wherein entering a data sharing mode selects a communication module as the equipment to be shared.
7. An automotive component production line production data sharing system, the system comprising:
the data acquisition module is used for entering a data sharing mode and receiving working parameters acquired from equipment to be shared through a local area network;
the device pre-connection module is used for detecting wireless communication signals, identifying devices based on a preset signal intensity limit value and connecting with the communication module on the production line;
the identity verification module is used for carrying out data pre-transmission with the communication module, receiving a pre-verification data packet through the local area network and carrying out identity verification through the verification data packet;
and the equipment switching module is used for disconnecting with the local area network after verification is passed, receiving the working parameters acquired by the equipment to be shared through the communication module, monitoring the real-time signals and switching the communication module.
8. The system for sharing production data of an automotive part production line of claim 7, wherein the equipment pre-connection module comprises:
the device information extraction unit is used for detecting wireless communication signals of surrounding devices and extracting communication modules with signal intensity higher than a signal intensity limit value;
the data receiving and transmitting unit is used for sending the authentication data to the communication module and receiving communication feedback data, wherein the communication feedback data are from a plurality of different communication modules;
and the data communication unit is used for carrying out identity verification based on the identity verification data and the communication feedback data, determining the communication module to be connected and establishing data connection with the communication module.
9. The system for sharing production data of an automotive part production line of claim 7, wherein the authentication module comprises:
the data pre-transmission unit is used for sending a data request to the communication module and carrying out data pre-transmission with the communication module, wherein the data request comprises a request occurrence time sequence;
the two-wire communication unit is used for receiving a pre-verification data packet through the local area network and receiving data packet verification data from the communication module, wherein the pre-verification data packet comprises time information and a serial number;
the device identification unit is used for completing identity verification according to the pre-verification data packet and the data packet verification data and determining the communication module to be connected.
10. The system for sharing production data of an automotive part production line of claim 7, wherein the equipment switching module comprises:
the first data source switching unit is used for disconnecting with the local area network after verification is passed, and meanwhile, transmitting data with the communication module and receiving working parameters acquired from equipment to be shared;
the switching judging unit is used for continuously detecting the wireless communication signal and judging whether to switch the equipment or not based on the wireless communication signal obtained by detection;
and the second data source switching unit is used for disconnecting the current communication equipment after establishing data connection with the local area network when the equipment is switched, so as to finish the switching of the communication equipment.
CN202310919002.XA 2023-07-26 2023-07-26 Method and system for sharing production data of automobile part production line Active CN116634398B (en)

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