CN101750988A - Cigarette making machine data communication and monitoring device and method for controlling same - Google Patents
Cigarette making machine data communication and monitoring device and method for controlling same Download PDFInfo
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- CN101750988A CN101750988A CN200810229666A CN200810229666A CN101750988A CN 101750988 A CN101750988 A CN 101750988A CN 200810229666 A CN200810229666 A CN 200810229666A CN 200810229666 A CN200810229666 A CN 200810229666A CN 101750988 A CN101750988 A CN 101750988A
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Abstract
The invention relates to a cigarette making machine data communication and monitoring device and a method for controlling the same. The cigarette making machine data communication and monitoring device comprises a cigarette detecting unit and a monitor. The cigarette detecting unit is used for collecting the real-time data for each quality detection signal of a cigarette making machine on line and analyzing the real-time data to remove the unqualified cigarettes. The monitor is used for receiving the real-time data uploaded by the cigarette detecting unit through a fieldbus, summing, updating and saving the real-time data. The method for controlling the cigarette making machine data communication and monitoring device comprises the following steps: the read-write command is sent to the cigarette detecting unit by the monitor; the receive interruption is triggered by the cigarette detecting unit; if the data received by the cigarette detecting unit meets the communication protocol, the read-write operation is carried out for an internal memory; the response frame data is sent to the monitor; and if the monitor receives the response frame data by the cigarette detecting unit and the response frame data meets the communication protocol, it means that the data communication is successful. The cigarette making machine data communication and monitoring device has stable signal, strong interference resisting ability and outstanding reliability, real time performance and flexibility and solves the problem that the communication between the monitor and each node of the cigarette detecting unit is frequent and the data object and data type are various.
Description
Technical field
The present invention relates to communication and monitoring technique in a kind of tobacco machine, specifically a kind of cigarette making machine data communication, supervising device and control method thereof of utilizing fieldbus to communicate.
Background technology
The detecting unit that uses in the production of cigarettes process is used for online detection cigarette and props up the quality of production, comprises density that cigarette props up, bear, gas leakage and detection such as hungry, and defective cigarette is propped up accurate rejecting.Original cigarette that uses props up online detection unit and mainly realizes by the polylith hardware circuit board, has following problems:
1. there is not the complete device that carries out data communication with watch-dog, testing result and the cigarette that can't directly monitor when front sensor prop up real time datas such as Information Statistics result, are unfavorable for that operating personnel make analysis and judgement directly and accurately to the current condition of production and machine run situation.
2. prop up the parameter adjustment that brand is changed and mechanical adjustment is brought for different cigarettes, often need the professional to revise setup parameter by the toggle switch on the printed circuit board (PCB) in the detecting unit is reset, can not on-line operation, cause a lot of inconvenience.
3. adopted the polylith printed circuit board (PCB), the interface relationship complexity, the failure rate height owing to there is not watch-dog on-line monitoring test function, in case go wrong, is difficult to find out reason on the polylith circuit board that disperses, bring very big difficulty for the debugging maintenance.
Summary of the invention
At the above-mentioned defective that exists in the prior art, the technical problem to be solved in the present invention provides the operation conditions of a kind of directly monitoring more to current unit, the serviceability of elevator system, and the cigarette making machine data communication of the stability of enhanced system and reliability, supervising device and control method thereof.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of cigarette making machine data communication of the present invention, supervising device comprise: cigarette props up detecting unit, the real time data of each quality testing signal of online acquisition cigarette machine, and above-mentioned data are analyzed, reject defective cigarette and prop up; Watch-dog receives cigarette by fieldbus and props up the real time data that detecting unit is uploaded, and these data are added up, upgrade, preserved; Cigarette is set props up the required controlled variable of detecting unit, and under reach cigarette and prop up detecting unit.
Described cigarette props up detecting unit and comprises central processing unit, A/D modular converter, useless cigarette rejecting module and bus transceiver, wherein central processing unit passes through the various kinds of sensors signal of A/D modular converter reception from cigarette machine by its inner input-output unit, data to above-mentioned each sensor signal are carried out analyzing and processing, output signal to useless cigarette through input-output unit and reject the module controls actuating unit cigarette that will give up and reject; Central processing unit carries out communication by bus transceiver by fieldbus and watch-dog and is connected; Described bus transceiver is of coupled connections by the bus controller in photoisolator and the central processing unit.
The control method of a kind of cigarette making machine data communication of the present invention, supervising device may further comprise the steps:
Watch-dog props up detecting unit to cigarette and sends read write command, timer is set simultaneously begins to await a response;
Cigarette props up detecting unit after detecting the order that watch-dog sends, and triggers to receive to interrupt;
Do you judge that the data that cigarette props up the detecting unit RX monitor satisfy communications protocol? if satisfy, then resolution data carries out read-write operation to internal memory;
Cigarette props up detecting unit and sends the response frame data to watch-dog, and cigarette props up the reception End of Interrupt of detecting unit;
Does watch-dog judge whether to receive cigarette and props up the response frame data that detecting unit sends?
If receive, judge that then cigarette props up detecting unit and whether satisfies communications protocol to the frame data that watch-dog sends, if satisfy, show that then this communicates by letter successfully, number of success adds 1;
This sign off.
If propping up the frame data of detecting unit transmission, cigarette do not satisfy communications protocol, then watch-dog display communication failure, and the record frequency of failure; This sign off;
Watch-dog does not receive cigarette and props up the response frame data that detecting unit sends in setting-up time, then watch-dog display communication failure, and the record frequency of failure; This sign off;
If the data from watch-dog do not satisfy communications protocol, then send erroneous frame information to watch-dog, cigarette props up the reception End of Interrupt of detecting unit;
Described communications protocol is utilized Extended Superframe Format based on the CAN bus protocol, forms the communications protocol with 29 self-defined identification codes, comprises five parts: 3 of command characters; 10 of data start addresses; 3 of source addresses; 3 of destination addresses; 10 of data lengths.
The present invention has following beneficial effect and advantage:
1. host computer in apparatus of the present invention and slave computer carry out communication by the fieldbus mode, can be on the operation interface of host computer to the setup parameter online modification of detecting unit, and can understand needed detection data and statistics at any time from slave computer, the ipc monitor device adopts complete Chinese friendly interface, offer the user with graphics mode, make convenient detecting unit is controlled of operating personnel.
2. apparatus of the present invention can be propped up communications status, sensor signal and the input and output dotted state of detecting unit to each cigarette by the watch-dog real-time monitored, in case break down, can make judgement very soon on the monitoring picture, have shortened fault correction time greatly.
3. the field bus communication that uses in the inventive method is the serial communication network of a kind of effective support dcs and real-time control, signal stabilization, antijamming capability is strong, have outstanding reliability, real-time and dirigibility, solved well that watch-dog and cigarette prop up that communication between each node of detecting unit is frequent, data object and miscellaneous problem.
4. apparatus of the present invention replace original mimic channel as the control core with digital signal processing, the performance of mimic channel is changed greatly by the component parameter performance impact, digital display circuit is subjected to environment temperature and noise effect little comparatively speaking, the reliability height, with other interfaces based on the system or equipment of modern digital technology all be compatible, the work of cooperatively interacting realizes that the function of apparatus of the present invention is more much easier than simulation system.
5. apparatus of the present invention have adopted the fieldbus data communication, spare interface is given management information system in enterprise, for the company information networking provides convenience, make enterprises can set up comprehensive data analysis and decision support, for vital role has been brought into play in the tobacco enterprise informatization.
6. the communication protocol of using in the inventive method is on the basis of CAN agreement, utilize 29 identification codes expanding frame to form the coded system of oneself, the requirement of both having satisfied the common field bus agreement guarantees the versatility of communicating by letter, the application layer protocol that oneself is also arranged, there is stronger confidentiality in the system that makes.
Description of drawings
Fig. 1 is apparatus of the present invention structural representation;
Fig. 2 props up the electrical principle block diagram of detecting unit for cigarette in apparatus of the present invention;
Fig. 3 props up the connection diagram of detecting unit and bus for cigarette in apparatus of the present invention;
Fig. 4 is a communication protocol frame structure key diagram in the inventive method;
Fig. 5 is the inventive method process flow diagram.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
(present embodiment adopts DSP to Fig. 1 in order the present invention is based on central processing unit, model is the TMS320F28x series of TI company) cigarette making machine data communication, the structural representation of supervising device, comprise that host computer is that watch-dog 1 (present embodiment adopt touch-screen industrial computer) and slave computer are that cigarette props up detecting unit (present embodiment comprises that the 1st cigarette that is used to detect density of tobacco rod props up detecting unit 2 and is used to detect cigarette and props up dilutability, bear, the 2nd cigarette of quality index such as scarce filter tip props up detecting unit 3), the topological structure of apparatus of the present invention is bus structure, adopt one main many from mode, with watch-dog 1 is main website, internal configurations network communication card, it is slave station that cigarette props up detecting unit, promptly the 1st cigarette props up detecting unit 2 and is slave station 1, the 2nd cigarette props up detecting unit 3 and is slave station 2, all hang on the fieldbus together as communication node with main website, slave station 1 and slave station 2 are equal, by software the different network addresss are set in inside and distinguish.
As shown in Figure 2, the 1st, 2 cigarettes prop up detecting unit 2,3 are used for finishing different measuring abilities respectively, its structure is identical, (comprise central processing unit 8, A/D modular converter 9, useless cigarette is rejected module 10 and bus transceiver 12) wherein central processing unit 8 be the control core, the various kinds of sensors signal that its inner input-output unit 7 receives from cigarette machine by A/D modular converter 9, data to above-mentioned various kinds of sensors signal are carried out analyzing and processing, be saved in digital quantity value in the internal memory 4 of central processing unit 8 by data bus and address bus, judge by the data analysis in 5 pairs of storeies of processor cores 4 of central processing unit 8, cigarette quality such as dilutability and situation such as hungry are judged, in case pinpoint the problems, cigarette propped up mark, when propping up and arrive ad-hoc location in process of production, the cigarette that goes wrong when quality (rejects certain fixed position of drum process in rotation process as cigarette machine), output signal to useless cigarette through input-output unit 7 and reject module 10, reject module 10 by useless cigarette and send the rejecting signal, control actuating unit (as being located at the pneumatic valve that cigarette machine the is rejected the drum rear end) cigarette that will give up is rejected, and upgrades and deposit in the built-in reservoir 4 statistics; Central processing unit 8 carries out communication by bus transceiver 12 by fieldbus and watch-dog and is connected, and 4 statistics in the internal memory in time is uploaded to watch-dog 1.
For the level on the fieldbus and the controller output level of central processing unit 8 inside are complementary, adopt high-speed bus transceiver 12 to cooperate bus controller 6 work of central processing unit 8 inside, bus transceiver 12 and high speed optoelectronic isolating device 13,14 constitute the level conversion buffer circuit, as shown in Figure 3, the port A of bus controller 6 and B are isolated 13 through photoelectricity, 14 backs link to each other with the R end with the port D end of bus transceiver 12, fieldbus links to each other with the L end with the port H end of bus transceiver 12 again, finish electrical isolation and level conversion function, realize the high reliability serial communication.
As shown in Figure 5, apparatus of the present invention cooperate execution host computer flow process and slave computer flow process to realize its control procedure by host computer (watch-dog) and slave computer (cigarette props up detecting unit), and are specific as follows:
Watch-dog props up detecting unit to cigarette and sends read write command, timer is set simultaneously begins to await a response;
Cigarette props up detecting unit after detecting the order that watch-dog sends, and the master routine that is propped up detecting unit by cigarette jumps to the reception interrupt routine;
Does cigarette prop up the data that detecting unit judges that the watch-dog receive is sent and satisfies communications protocol? if satisfy, resolution data then, when resolving to read command, the sense data from internal memory 4 according to the data start address that will read that receives and data length, and according to communications protocol to data packings and be saved in the transmission mailbox, response data is sent to watch-dog; When resolving to write order, cigarette props up detecting unit and at first the data in the internal memory 4 is carried out write operation according to the memory address that will write, data length and the data content that receive, and the data of having write are read from internal memory 4 and pack be saved in the transmission mailbox, send to watch-dog;
Cigarette props up the reception End of Interrupt of detecting unit, returns the master routine that cigarette props up detecting unit;
Does watch-dog judge whether to receive cigarette and props up the response frame data that detecting unit sends?
If receive, judge that then cigarette props up detecting unit and whether satisfies communications protocol to the response frame data that watch-dog sends, if satisfy, then resolution data order when data parsing is read command, is directly preserved the result and as monitoring display, show that this communicates by letter successfully, number of success adds 1; When resolving to write order, judge the data read back and whether will write data identical, as identical, show that then this communicates by letter successfully, number of success adds 1; If the data of reading back are then propped up detecting unit to cigarette again and are carried out write operation with to write data inconsistent, if in the present embodiment continuous three times unsuccessful, then think communication failure, display communication mistake on watch-dog, and the record frequency of failure, this sign off.
Do not satisfy communications protocol if cigarette props up detecting unit to the response frame data that watch-dog sends, the address that for example requires to read and write data exceeds setting range or order can not be discerned or the like, then watch-dog display communication failure, and the record frequency of failure; This sign off.
If watch-dog does not receive cigarette and props up the response frame data that detecting unit sends in setting-up time, then watch-dog display communication failure, and the record frequency of failure; This sign off.
If propping up the data of the watch-dog that detecting unit receives, cigarette do not satisfy communications protocol, the address that for example reads and writes data exceeds setting range or order can not be discerned or the like, then send erroneous frame information to watch-dog, the notice watch-dog sends information and receives, but the discontented football association of data view, cigarette props up the reception End of Interrupt of detecting unit.
As shown in Figure 4, described communication protocol is based on the CAN bus protocol, use information frame to transmit information, CAN itself has standard information frame and two kinds of information frames of expansion frame, and present embodiment has used the expansion frame, comprises 29 identification codes, 29 identification codes are formulated corresponding data definition, utilize it to form the communication protocol of oneself, be made up of five parts the message unit that identification code is formed, its meaning is as follows:
1. command character: form by 3, the recognition data frame type, judgement is read command, write order or erroneous frame;
2. data start address: 10 characters are formed, watch-dog and cigarette prop up the relative address table that detecting unit has been appointed the data place in advance, watch-dog sends to cigarette according to the data that will read or write with relative address and props up detecting unit, thereby guarantees the correspondence of both sides' data and address;
3. source address: 3 characters are formed, the sign sender address;
4. destination address: 3 characters are formed, sign take over party address;
5. data length: 10 characters are formed, and provide the number that will read or write data, according to data start address and these two parameters of data length, just can select the interior data of any plot location scope in the internal memory to read and write as object flexibly.
The formulation of communications protocol: at first 29 bit-identify sign indicating numbers are split according to communications protocol, obtain effective information (command character, data start address, source address, destination address and data length); Transmit leg and take over party's source address and destination address are carried out address filtering, and whether judgment data is the information that transmit leg sends to this node, is read command or write order if then analyze command character; Judge according to data start address and data length whether the data that will read and write surpass the read-write scope of internal memory 4.If above-mentioned condition all meets, then think and satisfy agreement, can carry out next step read-write operation.
Claims (8)
1. a cigarette making machine data communication, supervising device is characterized in that comprising:
Cigarette props up detecting unit, the real time data of each quality testing signal of online acquisition cigarette machine, and above-mentioned data are analyzed, reject defective cigarette and prop up;
Watch-dog (1) receives cigarette by fieldbus and props up the real time data that detecting unit is uploaded, and these data are added up, upgrade, preserved; Cigarette is set props up the required controlled variable of detecting unit, and under reach cigarette and prop up detecting unit.
2. by the described cigarette making machine data communication of claim 1, supervising device, it is characterized in that: described cigarette props up detecting unit and comprises central processing unit (8), A/D modular converter (9), useless cigarette rejecting module (10) and bus transceiver (12), wherein central processing unit (8) passes through the various kinds of sensors signal of A/D modular converter (9) reception from cigarette machine by its inner input-output unit (7), data to above-mentioned each sensor signal are carried out analyzing and processing, output signal to useless cigarette through input-output unit (7) and reject module (10) the control actuating unit cigarette that will give up and reject; Central processing unit (8) carries out communication by fieldbus with watch-dog (1) by bus transceiver (12) and is connected.
3. by the described cigarette making machine data communication of claim 2, supervising device, it is characterized in that: described bus transceiver (12) is of coupled connections by the bus controller (6) in photoisolator and the central processing unit (8).
4. the control method of a cigarette making machine data communication, supervising device is characterized in that may further comprise the steps:
Watch-dog props up detecting unit to cigarette and sends read write command, timer is set simultaneously begins to await a response;
Cigarette props up detecting unit after detecting the order that watch-dog sends, and triggers to receive to interrupt;
Do you judge that the data that cigarette props up the detecting unit RX monitor satisfy communications protocol? if satisfy, then resolution data carries out read-write operation to internal memory;
Cigarette props up detecting unit and sends the response frame data to watch-dog, and cigarette props up the reception End of Interrupt of detecting unit;
Does watch-dog judge whether to receive cigarette and props up the response frame data that detecting unit sends?
If receive, judge that then cigarette props up detecting unit and whether satisfies communications protocol to the frame data that watch-dog sends, if satisfy, show that then this communicates by letter successfully, number of success adds 1;
This sign off.
5. by the control method of the described cigarette making machine data communication of claim 4, supervising device, it is characterized in that:
If propping up the frame data of detecting unit transmission, cigarette do not satisfy communications protocol, then watch-dog display communication failure, and the record frequency of failure; This sign off.
6. by the control method of the described cigarette making machine data communication of claim 4, supervising device, it is characterized in that:
Watch-dog does not receive cigarette and props up the response frame data that detecting unit sends in setting-up time, then watch-dog display communication failure, and the record frequency of failure; This sign off.
7. by the control method of the described cigarette making machine data communication of claim 4, supervising device, it is characterized in that:
If the data from watch-dog do not satisfy communications protocol, then send erroneous frame information to watch-dog, cigarette props up the reception End of Interrupt of detecting unit.
8. by the control method of the described cigarette making machine data communication of claim 4, supervising device, it is characterized in that:
Described communications protocol is utilized Extended Superframe Format based on the CAN bus protocol, forms the communications protocol with 29 self-defined identification codes, comprises five parts: 3 of command characters; 10 of data start addresses; 3 of source addresses; 3 of destination addresses; 10 of data lengths.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810229666A CN101750988A (en) | 2008-12-12 | 2008-12-12 | Cigarette making machine data communication and monitoring device and method for controlling same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810229666A CN101750988A (en) | 2008-12-12 | 2008-12-12 | Cigarette making machine data communication and monitoring device and method for controlling same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103315393A (en) * | 2012-03-20 | 2013-09-25 | 豪尼机械制造股份公司 | Measuring arrangement for measuring rods manufactured and conveyed in rod-making machines in the tobacco-producing industry |
| CN103472754A (en) * | 2013-09-26 | 2013-12-25 | 常德烟草机械有限责任公司 | Cigarette signal real-time tracking, processing and removing method and device thereof |
| CN105547912A (en) * | 2015-12-15 | 2016-05-04 | 中国电子科技集团公司第四十一研究所 | Multipath continuous data acquisition device of two-channel microwave density and humidity detector and data acquisition method using the same |
| CN107018028A (en) * | 2017-05-24 | 2017-08-04 | 核工业理化工程研究院 | Data acquisition monitoring system and acquisition monitoring method based on CAN and OPC technology |
-
2008
- 2008-12-12 CN CN200810229666A patent/CN101750988A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103315393A (en) * | 2012-03-20 | 2013-09-25 | 豪尼机械制造股份公司 | Measuring arrangement for measuring rods manufactured and conveyed in rod-making machines in the tobacco-producing industry |
| CN103315393B (en) * | 2012-03-20 | 2017-07-18 | 虹霓机械制造有限公司 | Measurement apparatus for measuring rod that is obtained in the bar-producing machine of tobacco industry and being conveyed |
| CN103472754A (en) * | 2013-09-26 | 2013-12-25 | 常德烟草机械有限责任公司 | Cigarette signal real-time tracking, processing and removing method and device thereof |
| CN103472754B (en) * | 2013-09-26 | 2016-04-13 | 常德烟草机械有限责任公司 | A kind of cigarette signal real-time follow-up process and elimination method |
| CN105547912A (en) * | 2015-12-15 | 2016-05-04 | 中国电子科技集团公司第四十一研究所 | Multipath continuous data acquisition device of two-channel microwave density and humidity detector and data acquisition method using the same |
| CN107018028A (en) * | 2017-05-24 | 2017-08-04 | 核工业理化工程研究院 | Data acquisition monitoring system and acquisition monitoring method based on CAN and OPC technology |
| CN107018028B (en) * | 2017-05-24 | 2024-01-05 | 核工业理化工程研究院 | Data acquisition monitoring system and data acquisition monitoring method based on CAN bus and OPC technology |
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Open date: 20100623 |