Summary of the invention
The objective of the invention is for crucial assembly process on the air bag production line, set up a kind of production line of safe automobile air bag based on multi-sensor information fusion bag folding process quality traceability system.The various sensor informations that this system takes full advantage of in the airbag fold process are carried out the failure judgement state and reach alarm, automatically record the related data in the air bag assembling process.Generate unique identification code according to the specification product production process data, realize that manufacturer, to air bag production run quality tracing and quality management, finally improves air bag safety.
the present invention is by information collecting device, PLC system and computer processing system form, described information collecting device includes the magnetic switch sensor, approach switch sensor, torque sensor and speed pickup, magnetic switch sensor and approach switch sensor are arranged on the air bag production line rolls up bag in assembly process, press in the bag station, for detection of volume bag in assembly process on the air bag production line, press the bag operation whether to put in place, the magnetic switch sensor is connected with the PLC system with approach switch sensor, the PLC system is connected with computer processing system by Profi Bus bus, realize the transmission of data, torque sensor and speed pickup are arranged on volume bag motor, rotating speed and moment of torsion for detection of volume bag motor, torque sensor is connected the RS485 bus and is connected with computer processing system with speed pickup, the information that realizes rotating speed and moment of torsion transmits to computer processing system, computer processing system is equipped with the fault diagnosis system based on multi-sensor information fusion, the information collecting device Real-time Obtaining is from the parameters of each station in air bag production line bag folding operation, and information is passed in computer processing system, by the fault diagnosis system based on multi-sensor information fusion, data are carried out fault judgement and early warning, the data that collect and failure message leave SQL Server 2005 databases in, algorithm in Software for Design is write by Java language, the interface, foreground is HTML, DIV, CSS, the dynamic web page form that the Jsp code is realized, the form of fault statistics result with chart shown, the bag folding procedural information of form web page statistics and inquiry simultaneously provides more convenient browse mode.
Beneficial effect of the present invention:
Owing to having adopted information collecting device, but Real-time Obtaining is from the parameters of airbag folding process, and information is passed to computer processing system, by multi-sensor information fusion technology, data are carried out the fault judgement and reported to the police, the deposit data that collects is at SQL Server 2005 databases, algorithm in Software for Design is write by Java language, and the interface, foreground is the dynamic web page form of HTML, DIV, CSS, the realization of Jsp code.The form of fault statistics result with chart shown, the Information Statistics of form web page simultaneously and inquiry provide more convenient browse mode.
Embodiment
as shown in Figure 1, the present invention is by information collecting device 1, PLC system 2 and computer processing system 3 form, described information collecting device 1 includes magnetic switch sensor 11, approach switch sensor 12, torque sensor 13 and speed pickup 14, magnetic switch sensor 11 and approach switch sensor 12 are arranged on the air bag production line rolls up bag in assembly process, press in the bag station, for detection of volume bag in assembly process on the air bag production line, press the bag operation whether to put in place, magnetic switch sensor 11 is connected with approach switch sensor and is connected with PLC system 2, PLC system 2 is connected with computer processing system 3 by Profi Bus bus, realize the transmission of data, torque sensor 13 and speed pickup 14 are arranged on volume bag motor, rotating speed and moment of torsion for detection of volume bag motor, torque sensor 13 is connected with speed pickup and is connected with computer processing system 3 by the RS485 bus, the information that realizes rotating speed and moment of torsion transmits to computer processing system, computer processing system is equipped with the fault diagnosis system based on multi-sensor information fusion, the information collecting device Real-time Obtaining is from the parameters of each station in air bag production line bag folding operation, and information is passed in computer processing system, by the fault diagnosis system based on multi-sensor information fusion, data are carried out fault judgement and early warning, the data that collect and failure message leave SQL Server 2005 databases in, algorithm in Software for Design is write by Java language, the interface, foreground is HTML, DIV, CSS, the dynamic web page form that the Jsp code is realized.The form of fault statistics result with chart shown, the bag folding procedural information of form web page statistics and inquiry simultaneously provides more convenient browse mode.
Functional block diagram of the present invention as shown in Figure 2.Mainly complete two tasks:
1) air bag production line bag folding process quality is reviewed and the quality management service
Record security air bag production process data, each station of production line bag folding operation be the information such as status of equipment, fault type of crucial station particularly, foundation as air bag quality judging and early warning, in case find undesirable production operation result, according to default quality warning line, the prompting slave computer carries out timely early warning to abnormal quality, according to pre-set rule, show the emergency processing instruction on the data collection station of the workshop of corresponding station, by the workman, enter emergent manual treatment scheme; Perhaps by with being connected of machinery and equipment field bus system, assign instruction, automatically complete the predetermined emergency operation by machine, thereby realize the Prior Control of production run.Simultaneously these data in time are kept in database,, by a series of later stage work such as mathematical analysis, mathematical statistics and data minings, generate interior qualification rate of certain time period, failure rate etc., further realize the quality management of air bag.The specific implementation flow process as shown in Figure 3.
Air bag production line bag folding process quality traceability system is as host computer, and by data-interface, real time access air bag fault diagnosis system,, if the equal non-fault of all stations occurs, be saved in the related data of each station in database successively; Otherwise if fault diagnosis system detects a certain position equipment or accessory fault, record trouble state and this type of fault is encoded, deposit database in.Qualified product generates the bar-code label of final finished automatically according to the coding rule system, stick on finished product and get final product after printing.
2) the barcode encoding print management of air bag product is to realize quality tracing after sale
By barcode technology, according to certain coding rule, need to set up the data Unified coding of production daily record to production line, operation, station, operating personnel, product type, parts batch number, date of manufacture etc., form the unique identification of this product, and by this sign, reach inquiry and review the detailed production process data of this product and logistics information, being convenient to the foundation of quality tracing system after sale.
Air bag product bar code in quality tracing system adopts UCC/EAN 128 bar codes.Table 1 is air bag product quality tracing information table.When with 128 yards, it being encoded, coding comprises three partial informations: Corporate Identity code, product clause code, check code and batch code.Wherein first three part forms product ID, in the coding rule of 128 yards of UCC/EAN, with application identifier (01); Batch code is reflection date of manufacture and production line information, with application identifier (10).
Table 1 air bag product quality is reviewed the bar code information table
128 yards of the UCC/EAN that the bar code system employing is 21, wherein front 13 form product IDs, comprise goods producer's title, name of product and main specifications etc.Rear 8 is a batch code, can comprise production or packing date, production or packing batch.This bar code system product ID partly adopts the UCC/EAN-13 code.
Design of Software Platform
As host computer, by data-interface, real time access air bag production line bag folding operation fault diagnosis system,, if the equal non-fault of all stations occurs, be saved in the related data of each station in database successively; Otherwise if fault diagnosis system detects a certain position equipment or accessory fault, record trouble state and this type of fault is encoded, deposit database in.In air bag bag folding operation, most common failure comprises mainly whether airbag is just being put, whether pave, whether be rolled onto position or bag folding machine is not worked etc., if arbitrary station has this type of fault to occur, produce and report to the police and provide the respective handling measure by the PLC system, after Failure elimination, continue to review the process data of this station and following station.Qualified product generates the bar-code label of final finished automatically according to the coding rule system, stick on finished product and get final product after printing.
The real time data that the sensor collection comes adopts SQL Server 2005 data base management system (DBMS)s to preserve, and storage format is as shown in table 2.By selecting different stage to log in personnel, the input password, click " logging in " button, and system logs on staff's page, uses the personnel of this website and corresponding informance as shown in Figure 4, and different stage staff corresponding information as shown in Figure 5.System is carried out airbag fold procedural information statistics (day output, monthly output, qualification rate, failure rate etc.), information inquiry (by conditions such as time, numbering, bar code or faults/normal), bar code generation and print management and logs in personnel's personal information management (Modify password etc.) from data base call page desired data (right volume bag, left pressure bag, left back/right back volume bag whether put in place information and right volume bag motor, left back/right back volume bag motor torque values, tachometer value).
Algorithm in Software for Design adopts Java language to write.Interface is the dynamic web page form that the Jsp code is realized.
Table 2 air bag production line bag folding operation process data information table
The backstage algorithm of air bag production line bag folding process quality traceability system realizes adopting the current most popular J2EE frameworks such as Struts2, Hibernate, Spring.Simultaneously with Ajaxanywhere, realize the asynchronous refresh function.Barcode4j carries out generation and the printing of bar code, and JFreeChart carries out representing of statistics, and this system comprises following functions:
1) personal management menu
The personal management menu is divided into managerial personnel's information, worker information and three submenus of staff's schedule management.If managerial personnel's information spinner is to functions such as managerial personnel increase, delete, change, look into.First the Administrator Info is found in paging in database,, by buttons such as increase, deletion, modifications, adopts pop-up box to realize these functions.In the realization of locating function,, by managerial personnel's name, carry out fuzzy query, can find out the managerial personnel of this name, also can find the close managerial personnel of name simultaneously.The performing step of worker information and work schedule management and managerial personnel's is consistent.
2) air bag Information Statistics menu
Air bag Information Statistics menu is divided into a plurality of submenus of adding up by conditions such as product day output, monthly output, annual production, product percent of pass, station qualification rates.When statistics, select the corresponding time, add up the product in the time period.In implementation procedure, find the data that satisfy condition on backstage and add up, then by JFreeChart, generate statistical graph, the two kinds of forms of histogram and broken line graph statistics of passing through of statistics represent by date.The statistics of failure rate and qualification rate represents by cake chart, can provide two kinds of plane and 3D effects to represent form.
3) air bag information inquiry menu
Air bag information inquiry menu divides into by date, by the air bag numbering, by bar code, by fault and a plurality of submenus of inquiring about by the condition such as normal.During inquiry, first by paging query, find air bag information in database, input inquiry condition in corresponding querying condition, just can find out the air bag relevant information that meets corresponding conditions in backstage, then be illustrated on front page layout., by fault, by in the normal queries process, find respectively fault and qualified air bag production data information.
4) bar code printing management menu
The bar code printing management menu is divided into and is generated bar code and two submenus of type slug shape code.Backstage is by barcode4j, according to the coding rule of aforementioned UCC/EAN 128, for each qualified air bag generates the bar code that can uniquely be identified.Go out to comprise the bar code picture of bar code information by printing bar code.
5) personal information management menu
The personal information management menu provides the function of revising personal information, finds out the current personnel that log in database, then according to the modification information of submitting to, personal information is modified.