CN117499443A - Distributed control system DCS communication loose coupling management system - Google Patents
Distributed control system DCS communication loose coupling management system Download PDFInfo
- Publication number
- CN117499443A CN117499443A CN202311838985.0A CN202311838985A CN117499443A CN 117499443 A CN117499443 A CN 117499443A CN 202311838985 A CN202311838985 A CN 202311838985A CN 117499443 A CN117499443 A CN 117499443A
- Authority
- CN
- China
- Prior art keywords
- communication
- production line
- unit
- module
- dry film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004891 communication Methods 0.000 title claims abstract description 262
- 238000010168 coupling process Methods 0.000 title claims abstract description 26
- 230000008878 coupling Effects 0.000 title claims abstract description 25
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 94
- 238000012545 processing Methods 0.000 claims abstract description 52
- 238000011084 recovery Methods 0.000 claims abstract description 52
- 238000001514 detection method Methods 0.000 claims abstract description 46
- 238000011156 evaluation Methods 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 66
- 239000000758 substrate Substances 0.000 claims description 42
- 238000012544 monitoring process Methods 0.000 claims description 35
- 238000007726 management method Methods 0.000 claims description 29
- 239000011248 coating agent Substances 0.000 claims description 19
- 238000000576 coating method Methods 0.000 claims description 19
- 238000011897 real-time detection Methods 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 8
- 206010000117 Abnormal behaviour Diseases 0.000 claims description 6
- 238000012795 verification Methods 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000011161 development Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 description 39
- 238000005096 rolling process Methods 0.000 description 31
- 238000007731 hot pressing Methods 0.000 description 20
- 238000010438 heat treatment Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 12
- 238000001179 sorption measurement Methods 0.000 description 10
- 230000032258 transport Effects 0.000 description 10
- 230000009471 action Effects 0.000 description 4
- 238000003745 diagnosis Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000011217 control strategy Methods 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 239000007888 film coating Substances 0.000 description 2
- 238000009501 film coating Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004092 self-diagnosis Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/04—Network management architectures or arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0876—Network utilisation, e.g. volume of load or congestion level
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
- H04L63/105—Multiple levels of security
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/40—Network security protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
- H04L2463/082—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying multi-factor authentication
-
- 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
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention relates to the technical field of digital information transmission, and provides a distributed control system DCS communication loose coupling management system which comprises a server, a production line, a communication coordination module, a fault detection and recovery module and a safety authentication module, wherein the safety authentication module authenticates a communication request for establishing connection with the production line, the communication coordination module is used for processing and coordinating the communication request of the production line after authentication so as to transmit the communication request to a receiving end of the production line in a correct format at a correct time, the fault detection and recovery module is used for detecting the communication state of the production line, evaluating faults according to detected data to form an evaluation result, and triggering the recovery or reconstruction of the communication of the production line according to the evaluation result. According to the invention, through the cooperation of the evaluation module and the fault detection and recovery module, loose coupling is realized in communication, and the whole system is promoted to have the advantages of high data processing efficiency, accurate self-evaluation means, high fault processing efficiency and high intelligent degree.
Description
Technical Field
The invention relates to the technical field of digital information transmission, in particular to a distributed control system DCS communication loose coupling management system.
Background
In modern industrial control systems, particularly in areas requiring precise control (such as photo-dry film coating), communication management of Distributed Control Systems (DCS) is critical. However, existing DCS communication management methods face several major challenges:
in existing traditional DCS, the communication between devices is usually tightly coupled, resulting in poor adaptability of the system to environmental changes. This is particularly evident in application scenarios where fast response and highly accurate control are required.
The data processing unit in the existing system often cannot efficiently process mass data from a plurality of sensors and controllers, and the real-time performance and accuracy of the control system are affected.
In the face of communication failure or data loss, existing systems often lack an effective self-diagnostic and recovery mechanism, which can lead to interruption of the overall control process.
Another typical chinese patent, such as CN107231433B, discloses a distributed control system DCS communication loose coupling management method, which reduces the complexity of resetting and debugging of the communication system caused by system modification and upgrading, but cannot perform self-diagnosis and recovery on the loose coupling process, and has the defects of poor intelligence and control accuracy.
The invention is made to solve the problems of poor practicality, low data processing efficiency, lack of self diagnosis, lack of self evaluation, low control efficiency, limited fault processing capability, low intelligent degree and the like in the communication transmission process in the production process in the general field.
Disclosure of Invention
The invention aims to provide a distributed control system DCS communication loose coupling management system aiming at the defects existing at present.
In order to overcome the defects in the prior art, the invention adopts the following technical scheme:
the DCS communication loose coupling management system comprises a server and a production line, and further comprises a communication coordination module, a fault detection and recovery module and a safety authentication module, wherein the server is respectively in communication connection with the production line, the communication coordination module, the fault detection and recovery module and the safety authentication module;
the safety authentication module authenticates a communication request for establishing connection of a production line, the communication coordination module is used for processing and coordinating the communication request of the production line after authentication so as to ensure that the communication request is transmitted to a receiving end of the production line in a correct format at a correct time, the fault detection and recovery module is used for detecting the communication state of the production line, evaluating faults according to detected detection data to form an evaluation result, and simultaneously triggering the recovery or reconstruction of the communication of the production line according to the evaluation result;
The production line comprises a frame, a dry film material, a PCB panel substrate, a coating module, a dry film supply module, a photosensitive processing module and a transportation module, wherein the dry film supply module is used for supplying the dry film material to a processing station, the coating module is used for coating the dry film material supplied by the dry film supply module on the surface of the PCB panel substrate, the photosensitive processing module is used for exposing the dry film material coated on the PCB panel substrate to light so that the dry film in a non-pattern area can be hardened due to illumination, the pattern area is kept unhardened, and the exposed PCB is subjected to development processing to remove the unhardened dry film, so that an accurate circuit pattern is formed;
the fault detection and recovery module comprises a real-time detection unit, an evaluation unit and a recovery unit, wherein the real-time detection unit collects communication state data of the production line, the evaluation unit evaluates the state of the production line according to the communication state data detected by the real-time detection unit to form an evaluation result, and the recovery unit triggers the recovery or reconstruction of the communication of the production line according to the evaluation result;
wherein the restored or reestablished communication refers to a communication for which a communication request has been established and authentication has passed.
Optionally, the authentication module includes an access control unit and an authentication unit, the authentication unit authenticates the communication request of the production line, and the access control unit controls the authenticated communication request;
the authentication unit comprises a user identity verification component, a digital certificate processing component, a permission distribution component and an abnormal behavior monitoring component, wherein the user identity verification component verifies the identity of a communication request according to the provided communication request name and password, the digital certificate processing component is responsible for processing and verifying the digital certificate of the communication request to ensure the validity and the integrity of the digital certificate, the permission distribution component distributes corresponding access permission according to the role and the permission of the communication request, and the abnormal behavior monitoring component is used for authenticating and monitoring suspicious authentication activities.
Optionally, the communication coordination module includes a communication unit, a request scheduling unit, a time synchronization unit and a route management unit, where the request scheduling unit receives and analyzes the authenticated communication request, decides a processing sequence and a priority thereof, the communication unit is used to establish a communication request connection between the production lines, the time synchronization unit obtains time of all the communication requests and synchronizes the time of the communication requests to keep the time of the communication requests consistent, and the route management unit routes the communication request from a transmitting end to a receiving end.
Optionally, the real-time detection unit includes a connection status detector, a communication delay detector and a bandwidth usage detector, where the connection status detector is used to monitor a connection status between production line devices, the communication delay detector measures a transmission time of a data packet from a transmitting end to a receiving end, and the bandwidth usage detector is used to monitor a bandwidth usage of a production line communication network.
Optionally, the evaluation unit acquires the communication state data detected by the real-time detection unit, and calculates a communication state index communication status of the production line communication request according to the following formula:
；
wherein CS is a connection stability index, CD is a communication delay value, BU is a bandwidth utilization rate, w 1 、w 2 、w 3 The value of the weight coefficient is set by a manager according to historical data;
the connection stability index CS is calculated according to the following formula:
；
wherein T is total For the total observation time, the value is taken according to the actual condition, T connected The time for maintaining the communication connection of the equipment in the total observation time is taken as a value according to the actual situation;
and if the communication State index communication status of the production line communication request is lower than the set monitoring threshold value State, triggering the recovery unit to recover or reconstruct the communication of the production line.
Optionally, the recovery unit includes a communication executor, a router device, a standby communication interface, a network detection tool and a log recorder, where the communication executor is used to evaluate the communication state index and make a decision according to the evaluation result, the router device is used to reset or reconfigure the network path, the standby communication interface is used to reset or reconfigure the network path when needed, the network detection tool is used to verify the effect of the recovery operation, ensure that the communication state has been improved, and the log recorder records the detailed information of the recovery operation, so as to facilitate subsequent analysis and reporting.
Optionally, the step of recovering or reestablishing the communication of the production line by the recovery unit includes:
s1, the recovery unit evaluates a communication status and a set monitoring threshold State;
s2, judging whether the communication State of the production line is lower than a monitoring threshold value State, wherein the monitoring threshold value State represents the lowest acceptable level of communication quality, if so, executing S3, otherwise, continuing to judge;
s3, the router equipment determines available standby communication paths based on a network topological graph and the current network condition, and the router equipment configures network equipment (such as a router and a switch) to use the standby communication interfaces for data transmission, wherein after the standby communication paths are established, if the original communication paths are required to be restored or rebuilt, the step S4 is skipped, and otherwise, the step S5 is entered;
S4, sending a reset instruction to the router equipment through a management console or an automation script, wherein the communication unit performs restarting operation on an original communication path after receiving the reset instruction, and the restarting operation comprises hardware restarting and software reloading;
s5, analyzing the current network performance index by the network detection tool, determining whether the configuration parameters need to be adjusted, if so, carrying out corresponding adjustment, otherwise, returning to S2.
Optionally, each sensor of the production line is provided with a unique identity identifier, wherein the identity identifier comprises a device ID and a serial number;
wherein the user authentication component uses a pre-configured key or digital certificate for authentication when the device attempts to connect to the system.
Optionally, the permission distribution component distributes corresponding access permissions for each sensor according to the roles of each sensor in the production process.
Optionally, the production line is used for implementing a printed circuit board manufacturing process.
The beneficial effects obtained by the invention are as follows:
1. through the mutual matching of the evaluation module and the fault detection and recovery module, the intelligent whole control system can realize loose coupling in communication, and the whole system is promoted to have the advantages of high data processing efficiency, accurate self-evaluation means, accurate control, high fault processing efficiency and high intelligent degree;
2. The authentication module is used for identifying each sensor and carrying out authentication on communication requests so as to effectively improve the accurate control of each communication request;
3. the efficiency of communication transmission of the production line is optimized through the mutual coordination among the recovery unit, the real-time detection unit and the evaluation unit, so that the production line can be optimized in the process of communication transmission and request, the whole system is ensured to have the functions of automatic diagnosis and different control strategies triggered according to the diagnosis result, and the fault processing capacity of the whole system is improved;
4. through the communication loose coupling system with the combination of production line has promoted the production efficiency to the PCB of production line, has also reduced artifical the participation, has promoted the preparation efficiency and the reliability of PCB panel.
Drawings
The invention will be further understood from the following description taken in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate like parts in the different views.
Fig. 1 is a schematic block diagram of the overall structure of the present invention.
Fig. 2 is a block diagram of an authentication unit and an access control unit according to the present invention.
FIG. 3 is a schematic diagram of an evaluation flow of the evaluation unit of the present invention.
Fig. 4 is a schematic rear view of the production line of the present invention.
Fig. 5 is an enlarged schematic view at B in fig. 4.
Fig. 6 is a schematic cross-sectional view at AA in fig. 4.
Fig. 7 is a schematic front view of the dry film supply module of the present invention.
Fig. 8 is a schematic view of a part of the structure of the production line of the present invention.
Fig. 9 is an enlarged schematic view at C in fig. 8.
Reference numerals illustrate: 1. a frame; 2. a telescopic rod; 3. a limit rod; 4. a film tearing roller; 5. a photoelectric sensor; 6. a supply driving mechanism; 7. a conveyor belt; 8. an exposure control unit; 9. a developing unit; 10. a shaping unit; 11. a dry film material; 12. a limit seat; 13. a clamping seat; 14. a PCB panel substrate; 15. a swinging rod; 16. a rotating lever; 17. an adjusting lever; 18. a hot pressing rod; 19. a rolling roller; 20. a heating chamber; 21. a film tearing nozzle; 22. a lifting rod; 23. and a supply roller.
Detailed Description
The following embodiments of the present invention are described in terms of specific examples, and those skilled in the art will appreciate the advantages and effects of the present invention from the disclosure herein. The invention is capable of other and different embodiments and its several details are capable of modification and variation in various respects, all without departing from the spirit of the present invention. The drawings of the present invention are merely schematic illustrations, and are not intended to be drawn to actual dimensions. The following embodiments will further illustrate the related art content of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention.
Embodiment one: according to fig. 1, 2, 3, 4, 5, 6, 7, 8 and 9, the present embodiment provides a DCS communication loose coupling management system of a distributed control system, the DCS communication loose coupling management system includes a server, a production line, a communication coordination module, a fault detection and recovery module and a security authentication module, the server is respectively in communication connection with the production line, the communication coordination module, the fault detection and recovery module and the security authentication module, and intermediate data and process data of the communication coordination module, the fault detection and recovery module and the security authentication module are stored in a database of the server;
the safety authentication module authenticates a communication request for establishing connection of a production line, the communication coordination module is used for processing and coordinating the communication request of the production line after authentication so as to ensure that the communication request is transmitted to a receiving end of the production line in a correct format at a correct time, the fault detection and recovery module is used for detecting the communication state of the production line, evaluating faults according to detected detection data to form an evaluation result, and simultaneously triggering the recovery or reconstruction of the communication of the production line according to the evaluation result;
The DCS communication loose coupling management system further comprises a central processor, wherein the central processor is respectively in control connection with the production line, the communication coordination module, the fault detection and recovery module and the safety authentication module, and the central processor is used for carrying out centralized control on the production line, the communication coordination module, the fault detection and recovery module and the safety authentication module;
optionally, the production line is used for implementing a Printed Circuit Board (PCB) manufacturing process, the manufacturing process including a photosensitive dry film coating process;
the production line comprises a frame 1, a dry film material 11, a PCB panel substrate 14, a coating module, a dry film supply module, a photosensitive processing module and a transportation module, wherein the dry film supply module is used for supplying the dry film material 11 to a processing station, the coating module is used for coating the dry film material 11 supplied by the dry film supply module on the surface of the PCB panel substrate 14, the photosensitive processing module is used for exposing the dry film material 11 coated on the PCB panel substrate 14 to light so that the dry film of a non-pattern area can be hardened due to illumination, the pattern area remains unhardened, and the exposed PCB is subjected to development processing to remove the unhardened dry film, so that an accurate circuit pattern is formed;
Wherein the transport module is used for transporting the PCB panel substrate 14;
the coating module, the dry film supply module, the photosensitive processing module and the transportation module are all arranged in the frame 1;
when the coating module, the dry film supply module, the photosensitive processing module and the transportation module carry out communication transmission, a DCS communication loose coupling management system is applied, so that communication requests and communication transmission among the coating module, the dry film supply module, the photosensitive processing module and the transportation module can operate more efficiently and cooperatively;
in this embodiment, the dry film material 11 is set as a photosensitive material, and chemically reacts under light;
the dry film supply unit is disposed above the coating module, and coats the dry film on the PCB panel substrate 14 through the coating module during the dry film supply process;
the transport module is arranged below the coating module and transports the PCB panel substrate 14 so that the PCB panel substrate 14 can be attached to the dry film material 11;
the transport module comprises a transport unit, a positioning unit and at least one clamping seat 13 arranged on the transport unit, wherein the at least one clamping seat 13 is used for placing the PCB panel substrate 14, and the transport unit is used for transporting the PCB panel substrate 14;
The conveying unit comprises a conveying belt 7 and a conveying driving mechanism, wherein the conveying driving mechanism is in driving connection with the conveying belt 7 so that the PCB panel base material 14 can be conveyed smoothly, and at least one clamping seat 13 is arranged on the conveying belt 7 at equal intervals;
in this embodiment, the processing station is disposed at the center of symmetry of the conveyor belt 7, as shown in fig. 6, when the conveyor belt 7 transports the PCB panel to the processing position, it is positioned by the positioning unit, and data of the positioning position is transmitted to the transport driving mechanism so that the transport driving mechanism stops driving the conveyor belt 7;
the positioning unit comprises a photoelectric sensor 5 and a vertical rod, one end of the vertical rod is connected with the frame 1, the other end of the vertical rod extends towards one side far away from the frame 1 and is suspended to extend below the processing station, and the photoelectric sensor 5 is arranged at the end part of the vertical rod and is arranged towards one side of the conveying belt 7;
when the PCB panel substrate 14 is manually placed or automatically placed on the at least one clamping seat 13, the PCB panel substrate 14 is transported, and simultaneously, the dry film material 11 is attached to the surface of the PCB panel substrate 14 during the forward transportation;
The dry film supply module comprises a supply cavity, a dry film supply unit and a limiting unit, wherein the supply cavity is used for placing a dry film material 11, the dry film supply unit and the limiting unit, the dry film supply unit is used for supplying the dry film material 11, and the limiting unit is used for limiting the dry film material 11 so that the dry film material 11 can be placed in the supply cavity;
the dry film supply unit comprises a supply roller and a supply driving mechanism 6, one end of the supply roller is in driving connection with the supply driving mechanism 6 to form a supply part, the other end of the supply roller extends towards one side far away from the supply part, and the supply part is arranged in the supply cavity;
in addition, the control signal of the supply driving mechanism 6 is used as a communication request to be in communication connection with the central processing unit, so that the central processing unit can accurately control the supply driving mechanism 6;
in this embodiment, the dry film material 11 is selected according to the size of the PCB panel substrate 14, and is placed in the supply roller;
in this embodiment, the dry film material 11 is referred to as a bundle of dry film material 11;
The limiting units are arranged at two sides of the dry film material 11 supply path and limit the dry film material 11 to prevent the dry film material 11 from shifting;
the limiting unit comprises a limiting rod 3, a fixing seat, a telescopic rod 2, a telescopic driving mechanism and a telescopic detection piece, wherein the fixing seat is arranged on the inner wall of the supply cavity, one end of the limiting rod 3 is hinged with the fixing seat, the other end of the limiting rod 3 extends towards one side far away from the fixing seat, the tail end of the limiting rod is contacted with the dry film material 11, one end of the telescopic rod 2 is hinged with a rod body of the limiting rod 3, the other end of the telescopic rod 2 is in driving connection with the telescopic driving mechanism to form a telescopic part, the telescopic part is arranged on the inner wall of the supply cavity, and the telescopic detection piece detects the telescopic length of the telescopic rod 2;
the arrangement modes of the limiting rod 3, the telescopic rod 2 and the supply seat are shown in fig. 7;
meanwhile, the limiting unit further comprises a limiting seat 12 and a limiting groove arranged on the limiting seat 12, and the groove width of the limiting groove is matched with the thickness of the dry film material 11, so that the supplying part can be more stable in the process of supplying the dry film material 11 to the PCB panel substrate 14, and deviation or dislocation cannot occur;
In addition, the limit seat 12 is detachably connected with the limit rod 3, so that different dry film materials 11 are aimed at;
the coating module comprises a coating unit, a hot pressing unit and a rolling unit, wherein the coating unit coats the dry film material 11 so that the dry film material 11 can be flatly paved on the surface of the PCB panel substrate 14, the hot pressing unit uncovers the film of the dry film material 11 and hot presses the dry film material 11 so that the dry film material 11 can be attached to the PCB panel substrate 14, and the rolling unit rolls the dry film material 11 flat (tightly attached) on the PCB panel substrate 14;
the coating unit comprises a posture adjusting member, an adsorption member and a rolling member, wherein the rolling member is used for pressing the dry film material 11, the adsorption member is used for adsorbing the dry film material 11 and pulling the dry film material 11 to the upper side of the PCB panel substrate 14, and the posture adjusting unit is used for adjusting the position of the rolling member so that the rolling member can press the dry film material 11 on the PCB panel substrate 14;
the adsorption member is disposed on a supply path of the dry film material 11 and is adsorbed on a surface of the dry film material 11 so that the dry film material 11 can be drawn onto the PCB panel substrate 14;
The adsorption component comprises an adsorption nozzle, an adsorption pump, a rotating rod 16, a connecting seat, a swinging rod 15 and a swinging driving mechanism, wherein the adsorption nozzle is arranged at one end part of the rotating rod 16 and is connected with the adsorption pump through an adsorption pipeline to form an adsorption part, the other end of the rotating rod 16 is hinged with the connecting seat, one end of the swinging rod 15 is hinged with a rod body of the rotating rod 16, the other end of the swinging rod 15 is in driving connection with the swinging driving mechanism to form a swinging part, and the swinging part is arranged on the connecting seat;
wherein the swinging direction of the swinging part is parallel to the supply direction of the dry film material 11; meanwhile, the dry film material 11 is adsorbed by the swinging part and under the swinging operation of the swinging part, the dry film material 11 can be driven to the lower part of the rolling member, and the rolling member is triggered to press the dry film material 11 on the PCB panel substrate 14;
the rolling members comprise a first supporting seat, a second supporting seat, a rolling driving mechanism and a rolling roller 19, wherein the first supporting seat and the second supporting seat are arranged at two ends of the rolling roller 19, the first supporting seat is hinged with the rolling roller 19, and the rolling driving mechanism is arranged on the second supporting seat and is in driving connection with the rolling roller 19 so that the rolling roller 19 can rotate along the axis of the rolling roller 19;
The posture adjusting unit is connected with the first supporting seat and the second supporting seat and is used for adjusting the positions of the first supporting seat and the second supporting seat;
the gesture adjusting unit comprises a first adjusting rod 17, a second adjusting rod, a first adjusting driving mechanism, a second adjusting driving mechanism, a first extending detecting piece and a second extending detecting piece, wherein one end of the first adjusting rod 17 is connected with the first supporting seat, one end of the second adjusting rod is connected with the second supporting seat, the other end of the first adjusting rod 17 is in driving connection with the first adjusting driving mechanism to form a first adjusting part, the other end of the second adjusting rod is in driving connection with the second adjusting driving mechanism to form a second adjusting part, the first adjusting part and the second adjusting part are respectively symmetrically arranged above two sides of a conveying path of the dry film material 11 and press-cover the supplied dry film material 11, so that the dry film material 11 can be coated on the surface of the PCB panel substrate 14, the first extending detecting piece detects the adjusting length of the first adjusting rod 17, and the second extending detecting piece detects the adjusting length of the second adjusting rod;
Preferably, when the first adjustment driving mechanism and the second adjustment driving mechanism are both synchronous, the first adjustment lever and the second adjustment lever can be adjusted by using only one extending detection piece.
In this embodiment, the dry film material 11 is provided with a layer of film, after being pressed on the surface of the PCB panel substrate 14, the layer of film needs to be torn off, and the dry film material 11 can be hot pressed and attached on the PCB panel substrate 14 through a hot pressing procedure;
the hot-pressing unit comprises a film tearing member, a hot-pressing member and a heating member, wherein the film tearing member winds a film of the dry film material 11, and the hot-pressing member hot-presses the dry film material 11 after film tearing, so that the dry film material 11 can be hot-pressed on the PCB panel substrate 14;
the heating member is arranged in the hot pressing member, the heating member comprises a heating piece, a temperature sensor and a heating cavity 20, the heating piece is arranged in the inner cavity of the heating cavity 20 and is used for heating the heating cavity 20 (through heat conduction), the hot pressing member is arranged at two sides of the heating cavity 20 and is used for enabling the heating cavity 20 to be close to the dry film material 11 and the PCB panel, so that the dry film material 11 can be thermally printed on the PCB panel base material 14, and the temperature sensor is used for detecting the temperature of the heating cavity 20 and feeding back the temperature to the central processor;
The hot pressing component comprises a clamping seat, a hot pressing rod 18, an extension detecting piece and a rolling driving mechanism, wherein the clamping seat is arranged at one end of the heating cavity 20, one end of the hot pressing rod 18 is connected with the clamping seat, the other end of the hot pressing rod 18 is in driving connection with the rolling driving mechanism, so that the hot pressing rod 18 performs telescopic action, and the extension detecting piece is used for collecting the telescopic action of the hot pressing rod 18; namely, after the hot pressing rod stretches and contracts, the hot pressing rod is captured by the stretching detection piece, and stretching data are transmitted and fed back; the hot press bar 18 is arranged above the conveying path of the dry film material 11;
the film tearing component comprises a film tearing roller 4, a film tearing driving mechanism, a film tearing nozzle 21, an air pump, a lifting rod 22 and a lifting driving mechanism, wherein the film tearing nozzle 21 is connected with the air pump to form a film tearing part, the film tearing part is arranged on the film tearing roller 4 and distributed at equal intervals along the length direction of the film tearing roller 4, the film tearing driving mechanism is in driving connection with the film tearing roller 4, the film tearing roller 4 rotates along the axis of the film tearing roller, one end of the lifting rod 22 is connected with one end of the film tearing roller 4, the other end of the lifting rod 22 is in driving connection with the lifting driving mechanism to form a lifting part, and the lifting part is arranged on the frame 1;
Wherein, the lifting rod 22 is provided with a telescopic structure and realizes telescopic action under the drive of the lifting driving mechanism;
the rolling unit comprises a rolling rod, a first connecting rod, a second connecting rod, a first lifting driving mechanism, a second lifting driving mechanism and a pressure sensor arranged on the rolling rod, one end of the first connecting rod is connected with one end of the rolling rod, the other end of the first connecting rod is in driving connection with the first lifting driving mechanism to form a first rolling part, one end of the second connecting rod is connected with the other end of the rolling rod, and the other end of the first connecting rod is in driving connection with the second lifting driving mechanism to form a second rolling part;
the first connecting rod and the second connecting rod are arranged to be retractable, and the first lifting driving mechanism and the second lifting driving mechanism synchronously drive the first connecting rod and the second connecting rod respectively;
the first lifting driving mechanism, the second lifting driving mechanism, the central processing unit and the pressure sensor form a closed loop, when the rolling rod is contacted with the dry film material 11 under the telescopic adjustment of the first connecting rod and the second connecting rod, the contact force between the rolling rod and the dry film material 11 and the contact force between the rolling rod and the PCB panel substrate 14 are collected by the pressure sensor, and if the pressure value of the pressure sensor exceeds a set monitoring threshold value, the central processing unit controls the first lifting driving mechanism and the second lifting driving mechanism to stop driving the first connecting rod and the second connecting rod;
The hot pressing process of the hot pressing unit is as follows:
the heating component is used for placing the photosensitive surface of the dry film on the surface of the PCB, and the dry film is tightly attached to the surface of the PCB at a certain temperature and under a certain pressure by using a hot rolling mill or similar equipment, and in the process, the photosensitive material of the dry film is softened due to heat, so that uniform and tight adhesion is formed between the photosensitive material and the surface of the PCB panel substrate 14;
after the dry film is attached and cooled, the film tearing member peels off the protective film on the surface, leaving the photosensitive layer attached to the PCB panel substrate 14;
in order to ensure that the surface of the dry film is flat and bubble-free, the coated dry film is subjected to light rolling through the hot pressing unit, any bubbles or wrinkles are eliminated, and the dry film is completely attached to the surface of the PCB panel substrate 14;
in addition, in the case of transporting the PCB panel substrate 14 by the transporting mold, the dry film material 11 is pressed on the PCB panel substrate 14 by the combined action of the roll-off bar and the transporting belt 7;
the photosensitive processing module comprises an exposure control unit 8, a developing unit 9, a shaping unit 10 and a cleaning unit, wherein the exposure control unit 8 is used for exposing a dry film covered PCB panel substrate 14, the PCB panel substrate is exposed to a light source with a specific wavelength, and in the process, the PCB is exposed to the light with the specific wavelength, and a photomask is generally used for defining a circuit pattern; the uncovered part of the photomask allows light to pass through, and the dry film is hardened; the covered portion protects the dry film from exposure;
The mask is a technical means well known to those skilled in the art, so in this embodiment, details are not repeated;
the developing unit 9 is used for immersing the exposed PCB panel substrate 14 in a developer, wherein the developer dissolves the dry film part which is not hardened by light, leaving a hardened pattern, the shaping unit 10 is used for carrying out a heat treatment process on the developed PCB panel substrate 14, and the cleaning unit cleans the developed and shaped PCB to remove any residual developer or other chemicals;
the exposure control unit 8, the developing unit 9, the shaping unit 10 and the cleaning unit are conventional means, which are well known to those skilled in the art, and those skilled in the art can query related technical manuals to obtain the technology, so that the description is omitted in this embodiment;
in this embodiment, the communication request includes, but is not limited to, the following list of several:
the expansion detection of the expansion detection piece feeds back a communication request;
the photoelectric sensor 5 detects a feedback communication request;
the extension detection of the first extension detection feeds back the communication request;
The extension detection of the second extension detection feeds back the communication request;
the extension of the extension detecting member detects a feedback communication request;
a feedback communication request of the pressure sensor;
a temperature feedback communication request of the temperature sensor;
the fault detection and recovery module comprises a real-time detection unit, an evaluation unit and a recovery unit, wherein the real-time detection unit collects communication state data of the production line, the evaluation unit evaluates the state of the production line according to the communication state data detected by the real-time detection unit to form an evaluation result, and the recovery unit triggers the recovery or reconstruction of the communication of the production line according to the evaluation result;
wherein the restored or reestablished communication refers to a communication for which a communication request has been established and authentication has passed;
optionally, the authentication module includes an access control unit and an authentication unit, the authentication unit authenticates the communication request of the production line, and the access control unit controls the authenticated communication request;
the authentication unit comprises a user identity verification component, a digital certificate processing component, a permission distribution component and an abnormal behavior monitoring component, wherein the user identity verification component verifies the identity of a communication request according to a provided communication request name and a password or other credentials (such as a digital certificate and a token), the digital certificate processing component is responsible for processing and verifying the digital certificate of the communication request to ensure the validity and the integrity of the digital certificate, the permission distribution component distributes corresponding access permission according to the role and the permission of the communication request, and the abnormal behavior monitoring component is used for authenticating and monitoring suspicious authentication activities;
Optionally, each sensor of the production line is provided with a unique identity identifier, wherein the identity identifier comprises a device ID and a serial number;
wherein the user authentication component performs authentication using a pre-configured key or digital certificate when the device attempts to connect to the system;
optionally, the permission distribution component distributes corresponding access permissions for each sensor according to the roles of each sensor in the production process;
the sensors referred to in this embodiment include, but are not limited to, the following list of several: the device comprises a telescopic detection piece, a photoelectric sensor 5, a first extension detection piece, a second extension detection piece, an extension detection piece, a pressure sensor and a temperature sensor; the authentication module is used for identifying each sensor and carrying out communication request authentication so as to effectively improve the accurate control of each communication request;
optionally, the communication coordination module includes a communication unit, a request scheduling unit, a time synchronization unit and a route management unit, where the request scheduling unit receives and analyzes the authenticated communication request, determines a processing sequence and a priority thereof, the communication unit is used to establish a communication request connection between the production lines, the time synchronization unit obtains time of all the communication requests and synchronizes the time of the communication requests so as to keep the time of the communication requests consistent, and the route management unit routes the communication requests from a transmitting end to a receiving end;
In this embodiment, the transmitting end refers to a communication request of the sensor, and the receiving end refers to the central processing unit;
optionally, the real-time detection unit includes a connection state detector, a communication delay detector and a bandwidth usage detector, where the connection state detector is used to monitor a connection state between production line devices, including an on-line/off-line state of the devices and connection persistence, the communication delay detector measures a transmission time of a data packet from a transmitting end to a receiving end, and the bandwidth usage detector is used to monitor a bandwidth usage condition of a production line communication network;
optionally, the evaluation unit acquires the communication state data detected by the real-time detection unit, and calculates a communication state index communication status of the production line communication request according to the following formula:
；
wherein CS is a connection stability index, CD is a communication delay value, BU is a bandwidth utilization rate, w 1 、w 2 、w 3 The value of the weight coefficient is set by a manager according to historical data;
in this embodiment, the connection stability index CS is calculated according to the following formula:
；
wherein T is total For the total observation time, the value is taken according to the actual condition, T connected The time for maintaining the communication connection of the equipment in the total observation time is taken as a value according to the actual situation;
the communication delay value CD is calculated according to the following equation:
；
wherein t is send Is the time of data packet transmission, the value of which is taken according to the actual situation, t receive Is the time of reception, the value of which is according to the actual situationTaking a value under the condition;
the bandwidth utilization BU is calculated according to the following formula:
；
in the formula, long is the total data quantity transmitted in the measurement period, the value of the total data quantity is measured by a network monitoring tool or software, sum is the total available bandwidth in the measurement period, and the value of the total data quantity is measured by the network monitoring tool or software;
in the present embodiment, the weight coefficient w 1 、w 2 、w 3 Wherein 0 indicates that the index has no effect in calculating the communication state, and 1 indicates that the index has the greatest effect on the communication state;
wherein, in the present embodiment, a weight coefficient w is provided 1 、w 2 、w 3 Several examples of (a) are:
1) Assuming that the main problem faced by the system is network congestion, which causes the bandwidth utilization to become a key concern, the weight is given by the following value:
w1 (connection stability weight): 0.2
w2 (communication delay weight): 0.3
w3 (bandwidth utilization weight): 0.5
In this example, the bandwidth utilization is weighted highest, reflecting that the most critical issue in current systems is to handle network congestion;
2) Normal operating state:
assuming that the network state is good, all parameters are important; weights may be assigned on average:
w 1 =0.33；
w 2 =0.33；
w 3 =0.33；
3) High bandwidth demand state:
in a data-intensive production process, bandwidth becomes a key factor:
w 1 =0.2；
w 2 =0.2；
w 3 =0.6；
4) Frequent connection interrupt status:
if the connection stability problem becomes prominent:
w 1 =0.5；
w 2 =0.25；
w 3 =0.25；
5) Severe delay state:
when the delay has a large influence on production:
w 1 =0.2；
w 2 =0.6；
w 3 =0.2；
in summary, the weight coefficient w 1 、w 2 、w 3 The specific value of (2) needs to be determined by a system or a manager/operator according to actual conditions, and is not described in detail herein;
if the communication State index communication status of the production line communication request is lower than a set monitoring threshold value State, triggering the recovery unit to recover or reconstruct the communication of the production line;
if the communication State index communication status of the production line communication request is higher than the set monitoring threshold value State, triggering the recovery unit to recover or reconstruct the communication of the production line;
the set monitoring threshold State is set by the system or the manager according to the actual situation, which is a technical means well known to those skilled in the art, and those skilled in the art can query the related technical manual to obtain the technology, so that the details are not repeated in the embodiment;
Through the mutual matching of the evaluation module and the fault detection and recovery module, the intelligent whole control system can realize loose coupling in communication, and the whole system is promoted to have the advantages of high data processing efficiency, accurate self-evaluation means, accurate control, high fault processing efficiency and high intelligent degree;
optionally, the recovery unit includes a communication executor, a router device, a standby communication interface, a network detection tool and a log recorder, where the communication executor is used to evaluate the communication state index and make a decision according to the evaluation result, the router device is used to reset or reconfigure the network path, the standby communication interface is used to reset or reconfigure the network path when needed, the network detection tool is used to verify the effect of the recovery operation, ensure that the communication state has been improved, and the log recorder records the detailed information of the recovery operation, so as to facilitate subsequent analysis and reporting;
optionally, the step of recovering or reestablishing the communication of the production line by the recovery unit includes:
s1, the recovery unit evaluates a communication status and a set monitoring threshold State;
s2, judging whether the communication State of the production line is lower than a monitoring threshold value State, wherein the monitoring threshold value State represents the lowest acceptable level of communication quality, if so, executing S3, otherwise, continuing to judge;
S3, the router equipment determines available standby communication paths based on a network topological graph and the current network condition, and the router equipment configures network equipment (such as a router and a switch) to use the standby communication interfaces for data transmission, wherein after the standby communication paths are established, if the original communication paths are required to be restored or rebuilt, the step S4 is skipped, and otherwise, the step S5 is entered;
s4, sending a reset instruction to the router equipment through a management console or an automation script, wherein the communication unit performs restarting operation on an original communication path after receiving the reset instruction, and the restarting operation comprises hardware restarting and software reloading;
s5, analyzing the current network performance index by the network detection tool, determining whether configuration parameters need to be adjusted, if so, carrying out corresponding adjustment, otherwise, returning to S2;
if the configuration parameters need to be adjusted, the configuration of the related network equipment is adjusted;
through the mutual cooperation among the recovery unit, the real-time detection unit and the evaluation unit, the communication transmission efficiency of the production line is optimized, so that the production line can be optimized in the process of communication transmission and request, the whole system is ensured to have the functions of automatic diagnosis and triggering different control strategies according to the diagnosis result, and the fault processing capacity of the whole system is improved.
Embodiment two: this embodiment should be understood to include all the features of any one of the foregoing embodiments and further improve thereon, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, and fig. 9, and further include an adaptive network configuration module, where the adaptive network configuration module is configured to automatically adjust a network configuration for a network state detected in real time;
the self-adaptive network configuration module comprises a network state monitoring unit and a priority evaluation unit, wherein the network state monitoring unit is used for collecting performance index data of each communication request, the performance indexes comprise but are not limited to broadband utilization rate, delay data and communication error rate, and the priority evaluation unit evaluates the priority of the communication request according to the indexes detected by the network state monitoring unit;
the network state monitoring unit comprises a network monitoring tool and a data storage, wherein the network monitoring tool collects performance index data of each communication request, and the data storage stores the network performance index data collected by the network monitoring tool;
The priority evaluation unit acquires performance index data of each communication request, and calculates a priority index Rank of each communication request according to the following formula:
；
wherein U represents bandwidth utilization, D represents communication delay time, E represents communication error rate, the value is directly obtained by a network state detection unit, U max To be the theoretical maximum of bandwidth utilization, its value is determined by the actual condition of the communication link, D max E is the maximum value of communication delay time in the historical data max The method comprises the steps that alpha, beta and gamma are weight coefficients for the maximum value of the communication error rate in historical data, and the values are set or valued according to experience or the historical data;
in the present embodiment, examples of the weight coefficients α, β, γ are provided:
1) Normal network conditions:
α=0.3；
β=0.3；
γ=0.4；
2) High bandwidth demand scenario:
α=0.6；
β=0.2；
γ=0.2；
3) Delay sensitive applications:
α=0.2；
β=0.6；
γ=0.2；
in summary, the specific values of the weight coefficients α, β, γ need to be determined by the system or the manager/operator according to the actual situation, which is not described in detail herein;
the priority evaluation unit ranks according to the priority index Rank, and sets the communication request ranked earlier as the highest priority;
meanwhile, sending the communication request with the highest priority into the network equipment, and automatically adjusting the network state of the communication request through the network equipment;
The network device adjusts the network status of the communication request according to the technical means known to those skilled in the art, and those skilled in the art can query the related technical manual to obtain the technology, so that the description is omitted in this embodiment;
the self-adaptive network configuration module evaluates the priority of the communication requests, so that the network configuration speed of each communication request and the collaborative coordination capacity of a production line are improved, the transmission efficiency of the whole communication request is improved, and the whole system has the advantages of high data processing efficiency and high intelligent degree.
The foregoing disclosure is only a preferred embodiment of the present invention and is not intended to limit the scope of the invention, so that all equivalent technical changes made by applying the description of the present invention and the accompanying drawings are included in the scope of the present invention, and in addition, elements in the present invention can be updated as the technology develops.
Claims (10)
1. The DCS communication loose coupling management system is characterized by further comprising a communication coordination module, a fault detection and recovery module and a safety authentication module, wherein the server is respectively in communication connection with the production line, the communication coordination module, the fault detection and recovery module and the safety authentication module;
The safety authentication module authenticates a communication request for establishing connection of a production line, the communication coordination module is used for processing and coordinating the communication request of the production line after authentication so as to ensure that the communication request is transmitted to a receiving end of the production line in a correct format at a correct time, the fault detection and recovery module is used for detecting the communication state of the production line, evaluating faults according to detected detection data to form an evaluation result, and simultaneously triggering the recovery or reconstruction of the communication of the production line according to the evaluation result;
the production line comprises a frame, a dry film material, a PCB panel substrate, a coating module, a dry film supply module, a photosensitive processing module and a transportation module, wherein the dry film supply module is used for supplying the dry film material to a processing station, the coating module is used for coating the dry film material supplied by the dry film supply module on the surface of the PCB panel substrate, the photosensitive processing module is used for exposing the dry film material coated on the PCB panel substrate to light so that the dry film in a non-pattern area can be hardened due to illumination, the pattern area is kept unhardened, and the exposed PCB is subjected to development processing to remove the unhardened dry film, so that an accurate circuit pattern is formed;
The fault detection and recovery module comprises a real-time detection unit, an evaluation unit and a recovery unit, wherein the real-time detection unit collects communication state data of the production line, the evaluation unit evaluates the state of the production line according to the communication state data detected by the real-time detection unit to form an evaluation result, and the recovery unit triggers the recovery or reconstruction of the communication of the production line according to the evaluation result;
wherein the restored or reestablished communication refers to a communication for which a communication request has been established and authentication has passed.
2. The DCS communication loose coupling management system of claim 1, wherein the authentication module comprises an access control unit and an authentication unit, the authentication unit authenticating the communication request of the production line, the access control unit controlling the authenticated communication request;
the authentication unit comprises a user identity verification component, a digital certificate processing component, a permission distribution component and an abnormal behavior monitoring component, wherein the user identity verification component verifies the identity of a communication request according to the provided communication request name and password, the digital certificate processing component is responsible for processing and verifying the digital certificate of the communication request to ensure the validity and the integrity of the digital certificate, the permission distribution component distributes corresponding access permission according to the role and the permission of the communication request, and the abnormal behavior monitoring component is used for authenticating and monitoring suspicious authentication activities.
3. The DCS communication loose coupling management system of claim 2, wherein the communication coordination module comprises a communication unit for receiving and analyzing authenticated communication requests and determining their processing order and priority, a request scheduling unit for establishing communication request connections between the production lines, a time synchronizing unit for acquiring the time of all communication requests and synchronizing the time of communication requests to keep the time of communication requests consistent, and a route management unit for routing communication requests from a transmitting end to a receiving end.
4. A distributed control system DCS communication loose coupling management system as claimed in claim 3, wherein the real time detection unit comprises a connection status detector for monitoring the connection status between the production line devices, a communication delay detector for measuring the transmission time of data packets from the transmitting end to the receiving end, and a bandwidth usage detector for monitoring the bandwidth usage of the production line communication network.
5. The DCS communication loose coupling management system of claim 4, wherein said evaluation unit acquires the communication status data detected by said real-time detection unit, and calculates the communication status index communication status of said line communication request according to the following formula:
；
wherein CS is a connection stability index, CD is a communication delay value, BU is a bandwidth utilization rate, w 1 、w 2 、w 3 The value of the weight coefficient is set by a manager according to historical data;
the connection stability index CS is calculated according to the following formula:
；
wherein T is total For the total observation time, the value is taken according to the actual condition, T connected The time for maintaining the communication connection of the equipment in the total observation time is taken as a value according to the actual situation;
and if the communication State index communication status of the production line communication request is lower than the set monitoring threshold value State, triggering the recovery unit to recover or reconstruct the communication of the production line.
6. The DCS communication loose coupling management system of claim 5, wherein the restoration unit comprises a communication executor for taking charge of evaluating the communication state index and making a decision based on the evaluation result, a router device for resetting or reconfiguring the network path, a backup communication interface for resetting or reconfiguring the network path when necessary, and a network detection tool for verifying the effect of the restoration operation, ensuring that the communication state has been improved, and a log recorder for recording detailed information of the restoration operation for the subsequent analysis and reporting.
7. The distributed control system DCS communication loose coupling management system of claim 6, wherein the recovering unit recovers or reconstructs the communication of the production line comprising:
s1, the recovery unit evaluates a communication status and a set monitoring threshold State;
s2, judging whether the communication State of the production line is lower than a monitoring threshold value State, wherein the monitoring threshold value State represents the lowest acceptable level of communication quality, if so, executing S3, otherwise, continuing to judge;
s3, the router equipment determines available standby communication paths based on a network topological graph and the current network condition, and configures the network equipment to use the standby communication interfaces to perform data transmission, wherein after the standby communication paths are established, if the original communication paths need to be restored or rebuilt, the router equipment jumps to the step S4, otherwise, the router equipment enters the step S5;
s4, sending a reset instruction to the router equipment through a management console or an automation script, wherein the communication unit performs restarting operation on an original communication path after receiving the reset instruction, and the restarting operation comprises hardware restarting and software reloading;
s5, analyzing the current network performance index by the network detection tool, determining whether the configuration parameters need to be adjusted, if so, carrying out corresponding adjustment, otherwise, returning to S2.
8. The distributed control system DCS communication loose coupling management system of claim 7, wherein each sensor of the production line is provided with a unique identifier, said identifier comprising a device ID and a serial number;
wherein the user authentication component uses a pre-configured key or digital certificate for authentication when the device attempts to connect to the system.
9. The distributed control system DCS communication loose coupling management system of claim 8, wherein the rights assignment component assigns respective access rights to each sensor according to the role of each sensor in the production process.
10. The distributed control system DCS communication loose coupling management system of claim 9, wherein the production line is used to implement a printed circuit board manufacturing process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311838985.0A CN117499443B (en) | 2023-12-28 | 2023-12-28 | Distributed control system DCS communication loose coupling management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311838985.0A CN117499443B (en) | 2023-12-28 | 2023-12-28 | Distributed control system DCS communication loose coupling management system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117499443A true CN117499443A (en) | 2024-02-02 |
| CN117499443B CN117499443B (en) | 2024-03-29 |
Family
ID=89685272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311838985.0A Active CN117499443B (en) | 2023-12-28 | 2023-12-28 | Distributed control system DCS communication loose coupling management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117499443B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150222517A1 (en) * | 2014-02-05 | 2015-08-06 | Apple Inc. | Uniform communication protocols for communication between controllers and accessories |
| US20160139999A1 (en) * | 2014-11-14 | 2016-05-19 | Invensys Systems, Inc. | Unified communications module (ucm) |
| KR20170130823A (en) * | 2016-05-19 | 2017-11-29 | 대구대학교 산학협력단 | In order to small, medium size enterprise, Visible prognostics system for the machinery out of order and quality failure on the advanced factory automatic based on the embeded I.O.T technology |
| CN108171422A (en) * | 2017-12-28 | 2018-06-15 | 鞍钢集团自动化有限公司 | A kind of platform construction method of steel intelligent plant |
| CN108762224A (en) * | 2018-08-23 | 2018-11-06 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of wisdom power plant comprehensive monitoring management system |
| CN111164952A (en) * | 2017-11-16 | 2020-05-15 | 英特尔公司 | Distributed software-defined industrial system |
| CN114553537A (en) * | 2022-02-22 | 2022-05-27 | 上海帝焚思信息科技有限公司 | Abnormal flow monitoring method and system for industrial Internet |
| EP4060438A1 (en) * | 2021-03-18 | 2022-09-21 | Bühler GmbH | Modular control system and method for dynamically adaptive process control of a plant in a machine-to-machine network |
| CN115720302A (en) * | 2022-11-04 | 2023-02-28 | 中国电信股份有限公司 | Communication control method, system, device and storage medium |
| CN116208467A (en) * | 2023-03-07 | 2023-06-02 | 武汉光网信息技术有限公司 | Intelligent pipeline closed-loop processing method and device for transmission network faults |
| CN116506275A (en) * | 2023-05-15 | 2023-07-28 | 肇庆学院 | Communication network fault early warning method and system based on artificial intelligence |
-
2023
- 2023-12-28 CN CN202311838985.0A patent/CN117499443B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150222517A1 (en) * | 2014-02-05 | 2015-08-06 | Apple Inc. | Uniform communication protocols for communication between controllers and accessories |
| US20160139999A1 (en) * | 2014-11-14 | 2016-05-19 | Invensys Systems, Inc. | Unified communications module (ucm) |
| KR20170130823A (en) * | 2016-05-19 | 2017-11-29 | 대구대학교 산학협력단 | In order to small, medium size enterprise, Visible prognostics system for the machinery out of order and quality failure on the advanced factory automatic based on the embeded I.O.T technology |
| CN111164952A (en) * | 2017-11-16 | 2020-05-15 | 英特尔公司 | Distributed software-defined industrial system |
| CN108171422A (en) * | 2017-12-28 | 2018-06-15 | 鞍钢集团自动化有限公司 | A kind of platform construction method of steel intelligent plant |
| CN108762224A (en) * | 2018-08-23 | 2018-11-06 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of wisdom power plant comprehensive monitoring management system |
| EP4060438A1 (en) * | 2021-03-18 | 2022-09-21 | Bühler GmbH | Modular control system and method for dynamically adaptive process control of a plant in a machine-to-machine network |
| CN114553537A (en) * | 2022-02-22 | 2022-05-27 | 上海帝焚思信息科技有限公司 | Abnormal flow monitoring method and system for industrial Internet |
| CN115720302A (en) * | 2022-11-04 | 2023-02-28 | 中国电信股份有限公司 | Communication control method, system, device and storage medium |
| CN116208467A (en) * | 2023-03-07 | 2023-06-02 | 武汉光网信息技术有限公司 | Intelligent pipeline closed-loop processing method and device for transmission network faults |
| CN116506275A (en) * | 2023-05-15 | 2023-07-28 | 肇庆学院 | Communication network fault early warning method and system based on artificial intelligence |
Non-Patent Citations (3)
| Title |
|---|
| GANG WANG，ET AL.: "Toward_Cloud-Assisted_Industrial_IoT_Platform_for_Large-Scale_Continuous_Condition_Monitoring", IEEE, 30 June 2019 (2019-06-30) * |
| 汪敏;施荣荣;陈荣;: "面向多样化任务的指挥信息系统松耦合功能集成模型", 指挥信息系统与技术, no. 05, 28 October 2013 (2013-10-28) * |
| 高珊珊: "基于安卓的智能生产线移动控制终端的设计与实现", 《中国优秀硕士学位论文全文数据库（信息科技辑）》, 15 July 2020 (2020-07-15), pages 2 - 4 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117499443B (en) | 2024-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100602509B1 (en) | Substrate processing system managing apparatus information of substrate processing apparatus | |
| JP4136544B2 (en) | Image backup system | |
| EP3219053B1 (en) | Methods, systems, and computer readable media for monitoring and/or testing network communications | |
| CN117499443B (en) | Distributed control system DCS communication loose coupling management system | |
| CN102546344B (en) | link switching method and device | |
| JP3851060B2 (en) | Production apparatus, production apparatus control method, and recording medium | |
| US11029672B2 (en) | Manufacturing system and method of granting authority | |
| CN115277784B (en) | Industrial Internet of things system convenient for realizing local authority control and control method | |
| CN116389319A (en) | Network online analysis and monitoring method and system based on node big data | |
| JPH0587007B2 (en) | ||
| CN105610740B (en) | A kind of method, routing device and the network processing unit of control port state | |
| US11870676B2 (en) | Method for testing networks using test data flows | |
| CN117440410B (en) | FTP protocol-based debugging control method and debugging controller | |
| CN111211989B (en) | CDN quality analysis method based on broadband television | |
| US20230276107A1 (en) | Media Data Transmission and Processing System and Method for Operating such System | |
| CN103544553B (en) | A kind of method, apparatus and system based on mobile phone fortune pipe two dimension and detection | |
| KR20040083714A (en) | System for controlling total management of spinner apparatus and method of the same | |
| JP2826774B2 (en) | Data transfer device | |
| KR100204056B1 (en) | Method for testing protocol by interrupt in remote tester | |
| JPH05108198A (en) | Time correction system by means of plural reference stations | |
| JPH11252298A (en) | Failure analyzing method and program updating method for image information device | |
| JPH08287020A (en) | Time adjusting device for distributed system | |
| KR100413251B1 (en) | Method for Setting up Parameter and Timer When High Speed Signaling Link Align | |
| TWI423694B (en) | Intelligent digital subscriber line (DSL) high stability of the service installation method | |
| KR20230024467A (en) | Substrate type sensor for measuring condition of process chamber and data collecting system having the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xiao Zhiyi Inventor after: Zhu Guoqiang Inventor after: Mao Can Inventor before: Xiao Zhiyi Inventor before: Zhu Guoqiang Inventor before: Mao Can Inventor before: Wang Zhijun |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |