Data acquisition and monitoring system applied to papermaking press felt equipment

[0022] In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementations obtained by a person of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0023] Reference figure 1 As shown, the embodiment of the present invention provides a data collection and monitoring system applied to paper-making press felt equipment, including: a server-based production service subsystem and an intelligent service subsystem;

[0024] The production service subsystem collects data in the papermaking press felt equipment based on the existing information collection points of the papermaking press felt equipment;

[0025] The intelligent service subsystem analyzes the data collected by the production service subsystem based on preset rules and stores the analysis results;

[0026] After obtaining the operation instruction, the production service subsystem obtains the target analysis result corresponding to the operation instruction stored in the intelligent service subsystem, and displays the target analysis result.

[0027] Specifically, according to different use site sizes and data transmission needs, the server can use dedicated servers (such as Baidu Cloud, Alibaba Cloud, etc.), industrial control server computers, industrial control computers, etc., as servers, and build in the server The production service subsystem and the intelligent service subsystem. The connection between the production service subsystem and the paper-making press felt equipment can be connected through the SCADA system. SCADA is a data collection, monitoring and control system for the production system with long distances and scattered production units. Control system. Knowing the production situation is the basis for implementing scientific production. If the production process is very close, you can use nearby control methods, local wiring, local monitoring, and local control. Comparison of DCS system control for complex process production Many, there are also PLC or professional controllers. Here, the SCADA system is used to collect various data of the paper-making press felt equipment. It can be used to make paper with the PLC controller, potentiometer, digital display and sensor of the paper-making press felt equipment. The data collection point of the press felt equipment is connected for collection.

[0028] The collected data may include key data in the production process: felt tension in the acupuncture process, acupuncture frequency, acupuncture depth, acupuncture walking speed, acupuncture density, and stripping board spacing. Pre-needling process feed amount, wool net expansion ratio, cylinder speed, doffer speed, carbon curtain speed, bottom curtain speed, number of layers, pre-needle depth, pre-needle frequency, pre-needle density, wool web progress speed, pre-needle Spacing of thorn stripping board. At the same time, some manual measurement data required by the process are manually entered and recorded, including: air permeability of the acupuncture process, acupuncture meters, cradle zero detection, stretch length, blanket weight, blanket thickness, ambient temperature and humidity , Blanket surface and light transmission. Pre-needling process pressure roller spacing, carding machine spacing, pre-needling machine zero detection, fleece width, fleece length, fleece weight, metal foreign body detection, other quality defects, environmental temperature and humidity and other papermaking blanket production processes Data collection; the intelligent service subsystem analyzes and processes the corresponding data based on the data collected by the production service subsystem and the preset processing standards and procedures, and stores the corresponding results, which are received and processed in the production service subsystem. The user terminal connected to the production service subsystem and other equipment with operating instructions input and viewing will retrieve the corresponding data and processing results for users to view after the corresponding operating instructions are input by the equipment that is connected to the production service subsystem, that is, through the production service subsystem and the intelligent service subsystem The automation and intelligence of data collection and analysis of paper-making press felt equipment are more stable and continuous than the data obtained by manual collection and processing, thereby ensuring the stability of paper-making felt product quality. At the same time, labor is saved and the cost of the enterprise is reduced.

[0029] It is understandable that, during the implementation of the above-mentioned embodiments of the present invention, when a user combines multiple papermaking press felt equipment to form a production line, he can deploy an intelligent service subsystem and a production service subsystem separately on the server. When upgrading, it can avoid the impact on the operation of the existing equipment system and data storage. In addition, in large-scale production workshops or factories, due to the large distribution of field equipment, in order to reduce the impact of field wiring on the workshop environment, the connection between the entire SCADA system and the server of the production service subsystem is through 5G, WIFI and other wireless Internet of Things. It is simple and convenient, and can save a lot of expenses such as wiring and pipe layout, and keep the workshop regular.

[0030] Reference figure 2 As shown, in a specific embodiment of the present invention, the production service subsystem includes a data collection module and a display module. The data collection module collects data in the paper press felt equipment based on the existing information collection points of the paper press felt equipment; The module is used to obtain operation instructions and display target analysis results.

[0031] Specifically, the data acquisition module can configure signals according to the existing information points of the equipment, and set rules for polling collection, and extract effective data storage for data extraction and analysis by the intelligent service subsystem; the display module can be a human-computer interaction interface, which can be used as The important task in the production process is assigned to the functional interface for data collection; the production service subsystem has a PLC data interface such as RJ45 interface connected to the paper-making press felt equipment, and performs data transmission based on the MODBUS protocol.

[0032] The intelligent service subsystem includes: an equipment management module, which is based on the management function of the paper-making press felt equipment to plan management content, push and collect on-site management, and statistically analyze the management data of the paper-making press felt equipment.

[0033] Specifically, the equipment management module processes and analyzes corresponding data from three aspects: equipment basic information, equipment parameter variable settings, and equipment maintenance management;

[0034] The basic equipment information includes the creation and maintenance of basic information, the setting of equipment component information, the associated management of equipment maintenance, the associated management of equipment vulnerable parts, etc. The above content can be counted in the form of generating corresponding tables. The specific table It can include: equipment number, equipment model, equipment name, installation date, equipment value, depreciation period, depreciation method, manufacturer, equipment use status, etc. Corresponding statistics of corresponding data, forming equipment management table for users to view and use ;

[0035] The equipment parameter variable setting is that after the papermaking press felt equipment is designed and manufactured, the basic collection information range has been determined accordingly. The parameter library of the equipment can be defined and then the collection parameter table of the equipment can be defined. Statistics can be made from the following four aspects: :Parameter definition at the moment of equipment status, equipment collection parameter variable definition, third-party data variable definition, and man-machine interface collection data definition. The corresponding parameters of the equipment can be classified according to four aspects, so as to facilitate the multiple data parameters of the equipment Clear analysis;

[0036] Equipment maintenance management, including the management of basic information of maintenance items, equipment maintenance related settings, and equipment maintenance project execution records. The equipment maintenance item parameter library can be established to ensure that the equipment maintenance items are complete. If incomplete, new Increase the basic data of maintenance items, and then call them by subsequent procedures;

[0037] Set up maintenance items, set up corresponding maintenance items under specific equipment, and enter corresponding management values;

[0038] Query the records of maintenance projects Record necessary data information according to the actual implementation of maintenance projects to form a maintenance detail list; it can be used for subsequent retrospective record query; it can also provide data basis for maintenance reports;

[0039] Vulnerable parts management of equipment, involving the information management of wearing parts, the association setting of equipment wearing parts, and the use records of equipment wearing parts, among which the basic information of wearing parts is maintained by establishing the basic information table of wearing parts for subsequent equipment association It can also be used to complete the replacement and association of wearing parts in the man-machine interface; according to different equipment, the threshold and counting method of wearing parts will be set correspondingly;

[0040] Maintenance of vulnerable parts of equipment: The maintenance of vulnerable parts of equipment can be associated with the maintenance of the vulnerable part information under the equipment management module of the intelligent service subsystem, and can also be completed in the vulnerable part replacement function of the human-machine interface. Associated maintenance

[0041] The detailed list of wearing parts records the relevant information of wearing parts, such as the equipment used, the wearing part codes, status, life value, replacement time and replacement time of the wearing parts;

[0042] Vulnerable parts replacement record table: record the replacement information of the wearing parts, such as the replacement, the replacement time, the reason for the replacement, the information of the wearing parts, and the information of the wearing parts.

[0043] Through the equipment management module, it is possible to have a detailed and timely understanding of the operation of the paper-making press felt equipment, and timely treatment can be obtained when the equipment fails to ensure the normal operation of the equipment.

[0044] The intelligent service subsystem also includes: a product process management module, which is used to construct the basic product files, bill of materials and manufacturing process of the paper-making press felt equipment.

[0045] Specifically, the product process management module records the product information required by the intelligent service subsystem, including finished products, parts, parts (raw materials); among them, most of the products are customized products, and each product corresponds to the finished product number, part number, The parts and material numbers are different, so the product process management module has the function of data copying and importing to ensure the fast and efficient entry of basic data; by building the material relationship according to the actual relationship, the product corresponding to the special and public materials The product is built according to the actual composition structure and quantity relationship, so as to support the subsequent decomposition of the finished product plan into part of the part plan, and at the same time generate the bill of materials corresponding to the plan, which can be copied and imported to achieve fast and efficient entry;

[0046] Since there is no direct relationship between the equipment processing technology and the product, they exist independently with the product; after the product information is confirmed, it can be associated with the existing processing technology version; it can also be added with a new processing technology and then associated with the new product;

[0047] Process management involves the setting of product process path (large process) and equipment processing technology (small process);

[0048] Among them, since the equipment and procedures are basically confirmed to be unique, the setting function of the product process path (large process) can be weakened, and only the relationship between the product and the equipment processing technology can be established;

[0049] For the confirmed processing equipment, the corresponding processing technology can be set. The processing technology includes the process parameters of the equipment and the corresponding parameter values; even the process parameter guide pictures, etc.;

[0050] For example, there are more than one hundred kinds of processing techniques for acupuncture equipment. After a specific product is added, the corresponding workpiece will be associated with the corresponding equipment processing technology; when the workpiece is scheduled, the associated equipment processing technology will be called to guide production;

[0051] As the PLC cannot directly accept the parameter delivery, the process parameters can be displayed on the man-machine interface operation screen to guide the processing workers to complete the parameter adjustment.

[0052]

[0053] Table 1

[0054] Refer to the table of acupuncture depth process parameters shown in Table 1, which records the detailed parameters of the acupuncture depth of zone 1 for the staff to view, thereby improving the efficiency of execution.

[0055] The intelligent service subsystem also includes: a quality management module, which performs statistical management of the corresponding product quality of the paper-making press felt equipment based on the processing process control table of the paper-making press felt equipment.

[0056] Specifically, for the existing equipment processing technology, the corresponding process parameter control table can be configured; used in the equipment processing process, after real-time data is collected, threshold control reference analysis is performed to alarm and record abnormal conditions during the processing process .

[0057] Process parameter number Process parameter name Parameter unit Parameter value [reference] Parameter accuracy Bad on alarm Alarm drop Pay attention to the difference Pay attention to the difference Threshold detection Collection method Collection address Remarks 4 Needle depth in G1-1 zone Mm 0 0.01 +0.2 -0.2 +0.1 -0.1 N PLC 4×Address Bottom online machine 13 Needle depth in G2-1 zone Mm 11.5 0.01 +0.2 -0.2 +0.1 -0.1 Y PLC 4×Address Lay the first layer of wool net on the front core layer 22 Needle depth in G3-1 zone Mm 11.5 0.01 +0.2 -0.2 +0.1 -0.1 Y PLC 4×Address Lay the second layer of wool net on the front core layer 31 Needle depth in G41 area Mm 0 0.01 +0.2 0.2 +0.1 -0.1 N PLC 4×Address Lay the first layer of wool net on the reverse side 40 Needle depth in G5-1 zone Mm 0 0.01 +0.2 0.2 +0.1 -0.1 N PLC 4×Address Lay the second layer of wool net on the reverse core 49 Needle penetration depth in G6-1 area Mm 11.5 0.01 +0.2 -0.2 +0.1 -0.1 Y PLC 4×Address Lay the first layer of wool net on the front 58 Needle penetration depth in G7-1 area Mm 11.5 0.01 +0.2 -0.2 +0.1 -0.1 Y PLC 4×Address Lay the second layer of wool net on the front 67 Needle depth in G8-1 zone Mm 10.5 0.01 +0.2 -0.2 +0.1 -0.1 Y PLC 4×Address The first puncture 76 Needle depth of G9-1 zone Mm 10 0.01 +0.2 -0.2 +0.1 -0.1 Y PLC 4×Address Puncture a second time 85 Acupuncture depth in G10-1 area Mm 10 0.01 +0.2 0.2 +0.1 -0.1 Y PLC 4×Address Third time 94 Needle penetration depth in G11-1 area Mm 8 0.01 +0.2 -0.2 +0.1 -0.1 Y PLC 4×Address Fourth puncture

[0058] Table 2

[0059] Refer to the process parameter control table shown in Table 2, the corresponding threshold and alarm information can be set for the acupuncture depth process in zone 1, and then the corresponding alarm and threshold information can be recorded for the user to view and use;

[0060] According to the existing equipment processing technology, the corresponding quality inspection control table can be configured; used in the equipment processing process, it is called by the man-machine interface to record the corresponding inspection results.

[0061]

[0062] table 3

[0063] Refer to Table 3 for the quality inspection control table in a specific implementation mode, and perform corresponding quality inspections according to the preset inspection methods, inspection tools and inspection values ​​to improve the control and monitoring of product quality;

[0064] According to the above inspection table and parameter control table, the abnormal workpieces in the production process of the paper-making press felt equipment can be marked and the corresponding processing information can be marked and the corresponding workpiece quality report can be provided. It can be used to query the abnormal workpieces including: Quality workpieces and unqualified workpieces, at the same time provide quality inspection item report query, record the actual workpiece inspection results and conclusions.

[0065] The intelligent service subsystem also includes: a production scheduling module, which schedules production instructions based on the waiting list of the paper-making press felt equipment.

[0066] Specifically, the product plan is issued through the intelligent service subsystem, which mainly involves information such as the plan number, product, quantity, demand time, remarks, etc., which can be obtained from the relevant scheduling system through a standard interface;

[0067] The generated product plan can query comprehensive information such as plan completion progress and quality status, and can jointly check the material requirement table corresponding to the product plan, as well as the subsequent parts plan, production order, workpiece information and production view information;

[0068] The part production plan is generated by the finished product production plan according to the papermaking blanket relationship, including the related product production plan number, part plan number, parts, quantity, etc.;

[0069] The part production plan is stored in an independent list, and the material requirement table corresponding to the part plan can be checked together, and the follow-up production order, workpiece information and production view information can also be queried in association;

[0070] At the same time, the processing technology, process parameter control, and quality inspection control of the corresponding workpiece can be inquired through the product process management module; after the subsequent production order of the part order is scheduled, the above data will be used in the production process to participate in production, data collection and quality control;

[0071] The production order is a specific production execution document. The production order is generated by the part plan through the set generation rules; including the product plan number, part plan number, production order number, workpiece, quantity and other information;

[0072] The generation rules of the production order are determined by the specific project requirements; for example, some projects require a single-to-one correspondence between the part plan and the production order, or break down into multiple orders according to the quantity;

[0073] By querying the production instruction sheet, you can query comprehensive information such as the completion progress and quality status, and can jointly check the material requirement table corresponding to the production instruction sheet, as well as subsequent workpiece information and production view information;

[0074] After the production order is released, it will enter the waiting list for production scheduling; the on-site personnel will complete the production scheduling of the order according to the actual situation on site;

[0075] The order form after production scheduling will complete the issuance of the corresponding production data, and the man-machine interface will display the corresponding production data to guide the smooth completion of production;

[0076] Through the real-time collection of processing parameter data, quality alarm information, and quality inspection information through the quality management module, it provides the quality alarm information and quality inspection information details link corresponding to the workpiece, and can trace the inspection information list and inspection report corresponding to the workpiece; Abnormal workpieces in the process, and provide corresponding processing functions to record the quality status and processing reasons of the final workpieces; such as scrap, rework, concession acceptance and corresponding level settings.

[0077] The intelligent service subsystem also includes: a report management module, which is used to generate corresponding reports from the target analysis results.

[0078] Specifically, the report management module can generate and export the reports generated by the above-mentioned functional modules accordingly, which may include:

[0079] The equipment status report defines the corresponding status of the equipment through the collected equipment information, and performs corresponding statistical display;

[0080] Plan information reports, analyze and track the current plan progress, quality, etc., and form corresponding data reports;

[0081] Quality information report forms, which classify and record the inspection items of the quality management module to generate product quality reports, so as to analyze and count the proportion of factors affecting quality;

[0082] Workpiece information report, by querying the work piece data in the intelligent service subsystem related to the work piece, forming a report for tracking and querying the work piece;

[0083] Maintenance statistical reports, through the statistics of the implementation of equipment maintenance items of the equipment management module, generate reports to analyze the impact on product quality;

[0084] Vulnerable parts statistical report, through the statistics of the use and replacement of the vulnerable parts of the equipment, generate a report corresponding to the analysis of the impact on product quality.

[0085] The intelligent service subsystem also includes: a system management module, which is used to perform statistical management on the management authority of the operator and the corresponding operation actions performed;

[0086] Specifically, the system management module is aimed at basic functions such as organization management, personnel information management, role authority management, system log management, etc., and separately performs personnel information management for the personnel involved in the operation of the intelligent service subsystem, and supports unity with the personnel of the production service subsystem Classified management, supporting the allocation of corresponding role permissions and private permissions;

[0087] Edit permissions for various operating roles to facilitate quick permission assignment. Different management permissions can be set for personnel of different management levels to facilitate the management of personnel with different identities;

[0088] Provides the log function of system operation record, which is convenient for retrospective query afterwards. Based on the corresponding operating system's log record function, corresponding diary records and management can be set respectively, which is convenient for the traceability and query of operation events.

[0089] In another specific embodiment of the present invention, the operation function of the human-computer interaction interface of the production service subsystem may be compatible with the functions of each module of the intelligent service subsystem, and may specifically include: operator login, logout, and shift shift; Equipment maintenance items confirmation; equipment wearing parts confirmation and replacement; production instruction information query; production process process data entry; production process parameter view query; production inspection item catalog entry; production process warning reminder and query; abnormal workpiece site inspection and processing functions , It is convenient for operators to produce.

[0090] In some specific embodiments of the present invention, the server can be built based on an industrial computer. The industrial computer is equipped with two network ports to meet the needs of communication with the paper-making press felt equipment and communication with the intranet; and a dedicated operation for the industrial computer It is convenient to communicate with the PLC of the paper-making press felt equipment, and the operator can operate conveniently; the industrial computer is based on the Linux operating system Ubuntu1 for the construction of the operating system, and the MYSQL Community Server 5.6-5.7 database for the intelligent service subsystem and production service subsystem For the construction of data transmission and sharing, the industrial computer can be integrated into the internal network under the premise that the application workshop has internal network wiring, and supports the network access to the industrial computer function to facilitate remote operation of the network.

[0091] The data collection and monitoring system applied to the papermaking press felt equipment provided by the above-mentioned embodiment of the present invention, compared with manual observation and recording of the time point parameters and operating results of the two-process production equipment in the production process, cannot realize the process recording and Monitoring, through the production service subsystem and intelligent service subsystem, realizes the automation and intelligence of data collection and analysis of paper-making press felt equipment, and realizes the functions of strengthening production management, stabilizing product quality, and reducing production costs.

[0092] In the description of this specification, descriptions with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean specific features described in conjunction with the embodiment or example , Structure, materials or features are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner.

[0093] The foregoing description includes examples of one or more embodiments. Of course, it is impossible to describe all possible combinations of components or methods in order to describe the above-mentioned embodiments, but those of ordinary skill in the art should recognize that the various embodiments can be further combined and arranged. Therefore, the embodiments described herein are intended to cover all such changes, modifications and variations that fall within the protection scope of the appended claims. In addition, with regard to the term "comprising" used in the specification or the claims, the covering manner of the word is similar to that of the term "including", just as "comprising" is explained as an adaptor in the claims. In addition, any term "or" used in the description of the claims is intended to mean a "non-exclusive or".

[0094] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention. It should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.