CN201673397U - Production data reporting system - Google Patents
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- CN201673397U CN201673397U CN2010201879761U CN201020187976U CN201673397U CN 201673397 U CN201673397 U CN 201673397U CN 2010201879761 U CN2010201879761 U CN 2010201879761U CN 201020187976 U CN201020187976 U CN 201020187976U CN 201673397 U CN201673397 U CN 201673397U
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Abstract
The utility model discloses a production data reporting system, belonging to the technical field of production data reporting, and mainly solves the technical problems that the efficiency is low, the labor strength is high, the data is mistakenly reported and the operation equipment is affected because the existing production data reporting method depends on telephone communication. The production data reporting system is characterized in that the production data reporting system comprises a master computer, a slave computer, an analog quantity input module, a bus converter, an LED display screen control panel and an LED display screen. The master computer is connected with the bus converter through a cable and the slave computer is connected with the bus converter through a cable. The bus converter, the analog quantity input module and the LED display screen control panel are connected in series through twisted pair lines, the master computer is connected with a centralized control system through a network cable, and the LED display screen is connected with the LED display screen control panel by using a flat cable. The utility model has the advantages of rapid transmission speed, high automation level, high data reporting accuracy and reliability and high commonality. The production data reporting system can be used for reporting production data in mineral dressing and other processing industries.
Description
Technical field
The utility model belongs to process plants datagram feed technique field, relates in particular to a kind of production data that utilizes detection technique, computer networking technology, the communication technology, LED display technology and computer programming to realize automatic number-sounding and reports and submits system.
Background technology
In ore dressing or coal separation industry, many links also do not break away from people's operation, and the foundation of operation is the product quantity index or the quality index of screening installation, but because the characteristics of material and the restriction of detection technique, the index of some material is difficult to realize on-line automatic measurement, so must be by after people's timing sampling and the chemical examination result being fed back to the execute-in-place person (or being called the post driver) of relevant device.To the operation of equipment, except the separation index of this equipment of needs, sometimes also need the separation index of adjacent link, that is to say that an analysis data may be shared for a plurality of posies.For example, in the coal flotation technology, the ash content of floatation clean coal and tail coal does not also have the instrument of this respect can realize automatic on-line measurement at present, and the operator can only regulate technological parameters such as flotation dosing amount and proportioning according to the result of the artificial chemical examination in laboratory.And the floatation clean coal filter cake moisture of laboratory chemical examination need be reported and submitted to dehydration equipment post driver, also will tell the flotation driver simultaneously, dewaters because add the floatation clean coal that how much also influences of dose.
Present production data mode of submitting all is by telephone contact, as shown in Figure 1, the laboratory personnel inserts result of laboratory test the form of papery earlier, offer corresponding post driver by phone again, so that the post driver in time adjusts screening installation, also to offer centralized control room simultaneously, so that collection control personnel fill up a form.For production scheduling and management, what all production datas comprised chemical examination automatic detection and artificial all will be aggregated into centralized control room.Automatically the production data that detects is that host computer by programmable controller (PLC) reads the PLC analog module and obtains.Anyone comprises that the post driver understands the condition of production of full factory if desired in real time, such as ore dressing amount at that time, the quality of dressing product and the separation index of certain screening installation etc., and all must be by the centralized control room inquiry of making a telephone call to.If each post driver is smudgy to the laboratory indexes of equipment sorted product, inquiry is gone in the laboratory of also can initiatively making a telephone call to.
Mainly there is following problem in present this production data count off mode:
(1) efficient is low, labour intensity is bigger.The laboratory personnel need make a call a plurality ofly for data being offered different post drivers, and sometimes the post driver has forgotten or do not remembered clearly, and the inquiry laboratory personnel must call back.In process of production, need the project of sampling and chemical examination a lot, and the project that has at regular intervals (such as 20 minutes) need resampling and chemical examination, so these analysis datas will be reported and submitted to post driver and collection control personnel, labour intensity is very big.
(2) influence operation.Because telephone set and screening installation often have certain distance, consider dustproof, waterproof and antitheft, telephone set generally is placed in room or the pavilion, phone one sound, the operation driver must leave equipment and go to answer the call, and has brought certain influence for the operation of equipment.
(3) owing to noise in the factory is big, the phenomenon that data are misheard may appear.
(4) form in producing is by manually filling in, and writes lack of standardizationly, and the reliability of data is affected.
(5) the post driver can not be in time or is obtained the concrete separation index of equipment in real time, can only comment experiential operating, and it is bigger to cause operation to equipment to be subjected to artificial factor.
Though the ore dressing plant or the coal preparation plant that have are equiped with LAN (Local Area Network) in the workshop, infeasible, also uneconomical at the post installing terminal computing machine that has, and on graphoscope video data, the little visual range of font is also little, is unfavorable for the operation to screening installation.
Summary of the invention
In order to solve the problem that exists in the existing count off technology, the purpose of the present utility model provides that a kind of transmission speed is fast, automaticity is high, time saving and energy saving, count off accurately and reliably, the production data of highly versatile reports and submits system.
In order to reach the foregoing invention purpose, the technical solution adopted in the utility model is: a kind of production data is reported and submitted system, it is characterized in that: comprise principal computer, from computing machine, analog quantity load module, bus converter, LED display control panel and LED display.Described principal computer comprises RS-232 serial ports or USB mouth, is connected with bus converter by cable.Describedly comprise RS-232 serial ports or USB mouth, be connected with bus converter by cable from computing machine.The bus converter that links to each other with principal computer, be connected in series by Shielded Twisted Pair, adopt the communication of RS-485 bus mode with the bus converter that links to each other from computing machine, analog quantity load module and LED display control panel.Described principal computer also comprises the RJ45 network interface, is connected with the supervisory control comuter of centralized control system by netting twine.Described LED display comprises LED display driver circuit and LED lattice module, and the winding displacement by 20 lines links to each other with described LED display control panel.Described LED display control panel also comprises page turning and two buttons of following page turning.
Principal computer is the main website on the RS-485 bus, and the miscellaneous equipment on the RS-485 bus is a slave station.The all devices that connects on the RS-485 bus all has different addresses, and the equipment sum of connection is relevant with the RS-485 conversion chip on the equipment, and normal conditions are no more than 32, are 256 to the maximum.Equipment on the RS-485 bus adopts the MS master-slave mode to communicate by letter, principal computer (the perhaps bus converter that links to each other with principal computer) is a main website, the analog quantity load module, be respectively slave station from computing machine (perhaps with the bus converter that links to each other from computing machine) and LED display control panel, can not direct communication between the slave station, can only transfer by main website.
Described analog quantity load module be input as the standard signal that liquid level gauge, Ash analyser and belt such as claim at instrument or sensor output, the output of analog quantity load module is by RS-485 bus and main computer communication.Because computing machine does not generally all have the RS-485 interface, desk-top computer has only the RS-232 serial ports, and nearly all notebook does not all have the RS-232 serial ports, so computing machine must be converted to the RS-485 bus with RS-232 interface or the USB interface that computing machine often has by bus converter.RS-232/RS-485 bus converter or USB/RS-485 bus converter that described bus converter is isolated for band photoelectricity.Dissimilar bus converters should select for use corresponding cable to be connected with computing machine.Described bus converter can also be PCI/RS-485 bus transition card, is inserted in the PCI slot on the computer motherboard, is converted to the RS-485 interface that band photoelectricity is isolated.
In ore dressing or coal separation industry, production data is meant the technological parameter that takes place in process of production, reflect each link sorting situation in the production run, comprise by sensor and detect the data that obtain automatically, claim to record the coal washing amount and densitometer records black water concentration etc. such as belt, and the data that obtain by artificial sample chemical examination, such as fast floating, fast ash and filter cake moisture etc.Principal computer is collected production data from following three aspects, according to the production data characteristics of each aspect, produces and constitutes summary of the invention of the present utility model.
(1) from the analysis data of computing machine
In the ore dressing plant or a large amount of production datas of coal preparation plant derive from artificial chemical examination, it directly reflects post driver's operating effect, the post driver often adjusts their operation to screening installation according to these analysis datas.The coal sample quantity that needs in process of production to sample and chemically examine is often above 40, this scale and sorting process with ore dressing plant or coal preparation plant is relevant, and need resampling and chemical examination at regular intervals, such as the fast floating and fast ash of gravity treatment cleaned coal, be 30 minutes interval time.These data are that the lab technician is directly inputted to from computing machine by keyboard, by after Computer Storage, again by with the bus converter that links to each other from computing machine, RS-485 bus and the bus converter that links to each other with principal computer, realize and main computer communication that communication protocol is as follows:
The machine-readable order of host computer from computing machine chemical examination data:
Return to the character string of principal computer from computing machine:
| # | AA | D1 | D2 | …… | ?Dn | V | E |
(the initial symbol of #-1 byte; The address of AA-two bytes; D1～Dn-represents n group data, and every group of data are made up of 5 bytes, if D1 is complete 0, then representing does not have new analysis data from computing machine, and D2～Dn can omit at this moment; The check code of V-1 byte, E-1 byte end mark)
(2) data of database in the centralized control system supervisory control comuter
All there are the centralized control system that is realized by programmable controller (PLC) in ore dressing plant or coal preparation plant, the simulating signal of some sensors or automatic detection instrument output is connected to the PLC module, is read, stores from the CPU module of PLC and shown these analog quantitys by the supervisory control comuter of centralized control system.Described principal computer is communicated by letter with the supervisory control comuter of centralized control system by netting twine, follows ICP/IP protocol, directly reads analog data the database in the supervisory control comuter of centralized control system.
Be set to share by the database in the supervisory control comuter of centralized control system, and allow read-onlyly, then principal computer realizes directly visiting data of database in the centralized control system supervisory control comuter by network.
(3) translation data of analog quantity load module
Some are not connected to the sensor of centralized control system PLC module or the simulating signal of automatic detection instrument output, finish the automatic collection of this class production data by described analog quantity load module.The simulating signal that is input as sensor or automatic detection instrument output of described analog quantity load module, the output of described analog quantity load module is by RS-485 bus, bus converter and corresponding bus cable, with main computer communication, communication protocol is as follows:
The order of the machine-readable analog quantity load module of host computer:
The analog quantity load module returns to the character string of principal computer:
| # | AA | D1 | D2 | …… | D8 | V | E |
(the initial symbol of #-1 byte; The address of AA-two bytes; D1～D8-represents 8 groups of data, and every group of data are made up of 6 bytes; The check code of V-1 byte; E-1 byte end mark)
Described principal computer also comprises the application software by the VB language development, and the collection, storage, inquiry, report printing, the management of LED display and the LED display of production data that are used for production data show.Principal computer is the center that the utility model production data is reported and submitted system, is the promoter of RS-485 bus communication.Application software by the VB language development be used for collection, storage, inquiry, printing and the transmission of analysis data described also comprising from computing machine.
The embedded system that described analog quantity load module is made up of single-chip microcomputer, comprise single-chip microcomputer, program storage, data-carrier store (RAM), A/D change-over circuit, photoelectric isolating circuit and RS-485 communication device, has the input of 8 tunnels analogy amounts, it is a digital quantity with the analog-signal transitions of sensor or detecting instrument output, by RS-485 bus and main computer communication.The analog quantity load module is in the reception waiting status when operate as normal, when receiving after principal computer sends the order of read data, start the conversion to 8 tunnels analogy amounts, and the result is formed character string according to communication protocol sends to principal computer.
The embedded system that described LED display control panel is made up of microprocessor, comprise microprocessor, program storage, data-carrier store (RAM), photoelectric isolating circuit, RS-485 communication device and current drives chip, the LED display control panel receives the production data character string to be shown that principal computer is sent, from character library, take out type matrix according to character code, be stored among the RAM according to a definite sequence, according to sequential dot matrix font exported to LED display according to scan mode again.Because LED display is for producing and the operation of equipment service; displaying contents does not need to consider power down protection and off line use; so in the FLASH storer that data dot matrix font to be shown is stored among the RAM rather than generally use, can improve the speed that reads dot array data.The LED display control panel returns confirmation after receiving the data character string of principal computer.
Described LED display control panel also comprises page turning and two buttons of following page turning, has been used in the history display data of this display screen of local search since changing shifts.
The utility model production data reports and submits the course of work of system to be:
(1) lab technician will adopt coal sample chemical examination after the result is input to from computing machine, by storing and manage from computing machine, wait for that from computing machine principal computer reads analysis data simultaneously, in case after receiving read command, form the data character string from computing machine according to communication protocol and return to principal computer;
(2) the analog quantity load module waits for that principal computer sends the order of read data, in case after receiving this order, start the A/D conversion, and return to principal computer according to communication protocol composition data character string;
(3) principal computer reads the analysis data from computing machine, the translation data of analog quantity load module and the database data of centralized control system supervisory control comuter successively, deposits the database of this machine in, and shows on the principal computer display;
(4) according to the parameter configuration of each LED display, selectively production data is sent on the LED display control panel that is distributed in each key post; The communication protocol of principal computer and LED display control panel is:
Principal computer sends data to the form of LED display control panel:
| # | AA | DH1 | DL1 | DH2 | DL2 | …… | DHn | DLn | V | E |
(the initial symbol of #-1 byte; The address of AA-two bytes; District's sign indicating number of DH1～DHn-the 1st～n character, the bit code of DL1～DLn-the 1st～n character; The check code of V-1 byte; E-1 byte end mark)
The LED display control panel returns to the affirmation information format of principal computer:
| $ | AA | S | E |
The initial symbol of ($-1 byte; The address of AA-two bytes; The information content of S-1 byte, S is that to represent that the LED display control panel received the data character string at 0 o'clock normal, is to represent that the LED display control board receives data character string mistake, required principal computer to resend at 1 o'clock.E-1 byte end mark)
(5) the LED display control panel is preserved data code and is exported type matrix chronologically, the demonstration of control LED display.
(6) the post driver can be by the key board that is connected with the LED display control panel, the production data index in this post of local search since changing shifts.
The utility model production data reports and submits the advantage of system to be:
(1) collect, preserve all production datas automatically, make things convenient for the query history record, be convenient to the analysis and the statistics of production data, and printing reports on demand.
(2) production data is in time sent on the LED display that is installed on key post selectively show, make the post driver can understand the sorting situation of equipment in real time, and in time adjust, guarantee that equipment work is in optimum condition.
(3) the post driver can also search own equipment separation index since changing shifts by button in this locality, analyzes and sums up operating experience, and in time adjust operation strategy, and is therefore very convenient and practical.
(4) on the LED display except showing production data, can also show caveat such as red-letter day, safety and notice, clear display is directly perceived, displaying contents and effect are abundant, have improved post driver's mood, thereby improve post driver's work efficiency.
(5) in addition, have also that the production data transmission speed is fast, automaticity is high, time saving and energy saving, count off accurately and reliably with advantages such as highly versatile, can be widely used in ore dressing, coal separation and other processing industry.
Description of drawings
Fig. 1 is the theory diagram of production data count off mode traditional in the background technology;
Fig. 2 reports and submits the structural representation of first embodiment of system for the utility model production data;
Fig. 3 reports and submits the structural representation of second embodiment of system for the utility model production data;
Fig. 4 is the principle of work block diagram of principal computer of the present utility model;
Fig. 5 reports and submits the structural representation of the 3rd embodiment of system for the utility model production data;
Fig. 6 reports and submits the structural representation of the 4th embodiment of system for the utility model production data;
Embodiment
Below in conjunction with the drawings and specific embodiments the technical solution of the utility model is described in further detail.
The structural representation that Fig. 2 reports and submits first embodiment of system for the utility model production data specifically comprises principal computer 10, from computing machine 20, analog quantity load module 40, bus converter 12, bus converter 22, LED display control panel 501 and LED display 511.Described principal computer 10 is connected with bus converter 12 by cable 11, describedly be connected with bus converter 22 by cable 21 from computing machine 20, described LED display 511 links to each other with the winding displacement 521 of LED display control panel 501 usefulness 20 lines, bus converter 12, analog quantity load module 40, bus converter 22 and LED display control panel 501 use RS-485 bus 30 to communicate by letter, and adopt Shielded Twisted Pair to connect.Be integrated with the RJ45 network interface on the mainboard of described principal computer 10, be connected with supervisory control comuter in the centralized control system by netting twine 13.Described LED display control panel also comprises page turning and two buttons of following page turning.
In the present embodiment, principal computer 10 also comprises the program with the VB language compilation, is responsible for the major function that realizes that the utility model production data is reported and submitted system.Also comprise the program of using the VB language compilation from computing machine 20, be responsible for accepting, preserve, send, inquire about and print analysis data.
In the present embodiment, all devices on the RS-485 bus 30 all has different addresses.RS-485 bus 30 starts from bus converter 12, and the order of connection of analog quantity load module 40, bus converter 22 and LED display control panel 501 can change, as long as contact with twisted-pair feeder.
Described bus converter 12 or 22 can be the RS-232/RS-485 converter, it also can be the USB/RS-485 converter, this interface with computing machine is relevant, if select the RS-232 serial ports of computing machine for use, then bus converter is the RS-232/RS-485 converter of band photoelectricity isolation, and connects computing machine and bus converter with the RS-232 serial interface cable.If select the USB mouth of computing machine for use, then bus converter is the USB/RS-485 converter of band photoelectricity isolation, and connects computing machine and bus converter with USB cable.Described bus converter 12 or 22 can also be PCI/RS-485 bus transition card, is inserted in the PCI slot on the computer motherboard, is converted to the RS-485 interface that band photoelectricity is isolated, and in this case, cable 11 or cable 21 just do not need.
In the present embodiment, principal computer 10 is positioned at centralized control room, is positioned at the laboratory from computing machine 20, and analog quantity load module 40 is installed on the low-voltage distribution chamber, and LED display control panel 501 and LED display 511 are positioned at the operation planar of certain screening installation.The input of analog quantity load module 40 connects the output signal of sensor or on-line detector device.
The course of work of present embodiment is, the result that the lab technician will chemically examine is input to from computing machine 20 by computer keyboard, principal computer 10 reads from the analysis data of computing machine 20 by RS-485 communication, principal computer 10 also reads the translation data of analog quantity load module 40 by RS-485 communication, principal computer 10 also reads database data in the supervisory control comuter of centralized control system by netting twine 13, principal computer 10 is saved in these production datas in the database of this machine, optionally production data is sent to LED display control panel 501 according to disposing again, the post driver in time adjusts the operation to screening installation according to the production data that shows on the LED display 511.
The post driver can be with the external button of LED display control panel 501, last page turning or page turning down, inquiry is kept at the production data on the LED display control panel 501 temporarily, these data be from the changing shifts since, the production data relevant with this screening installation, in case this production class comes off duty, during next class of class, LED display control panel 501 is removed these production datas automatically according to the fixing commuter time, its reason is that the data volume of LED display control panel 501 preservations is limited, and long preservation is also nonsensical, because it is in order to allow this post driver understand own operational circumstances since relieving, so that control screening installation better that the purpose that searches is provided.Owing to be to search separately in this locality, be not subjected to the restriction of principal computer 10, can check own total operational circumstances at any time to the post driver, analyze and sum up operating experience, in time adjust operation strategy, therefore very practical, and convenient, flexible.
Fig. 3 reports and submits the structural representation of second embodiment of system for the utility model production data, on the basis of technical scheme shown in Figure 2, in order to realize that the more collection of multimode analog signal and the LED display in more posies show, enlarge the scope that production data is reported and submitted, present embodiment can also comprise analog quantity load module 41, LED display control panel 502 and LED display control panel 503, and LED display control panel 502 usefulness 20 line winding displacements are connected with LED display 512, LED display control panel 503 usefulness 20 line winding displacements are connected with LED display 513.
Can also connect more LED display control panel on the bus 31, the LED display control panel connects LED display with 20 line winding displacements again, but in order to guarantee the reliability and the rapidity of RS-485 communication, bus 31 is a Shielded Twisted Pair, the equipment sum that connects on it should be less than 32, total length should be less than 1000 meters, series connection mutually in twos, do not allow ring-type to connect, at the head end (initiating terminal) of bus 31 with tail end (clearing end) also should be distinguished and go up suitable build-out resistor such as 120 ohm, to improve interference free performance.
Present embodiment can also comprise RS-485 repeater 60, the Shielded Twisted Pair of one end connecting bus 31 of RS-485 repeater 60, the Shielded Twisted Pair of other end connecting bus 32, purpose is to forward from the other end after a termination is received data again, thereby prolongs the communication distance and the restriction that overcomes the total platform number of equipment of RS-485.Present embodiment can also comprise LED display control panel 50n, is connected with bus 32, and LED display control panel 50n is connected with LED display 51n with 20 line winding displacements.
The described LED display 511 of present embodiment, LED display 512, LED display 513 lay respectively at different posies with LED display 51n, and content displayed is also different because of the difference in post on the LED display, and is concrete relevant with the screening installation in this post.Can dispose different displaying contents for display screen by the software on principal computer 10, production data be reported and submitted on the display screen in different posies selectively.The post driver in these posies can also search the history display data of this post since changing shifts by LED display control panel 501, LED display control panel 502, LED display control panel 503 or LED display control panel 50n alone, so that operate screening installation better.
Fig. 4 reports and submits the principle of work block diagram of the principal computer of system for the utility model production data, principal computer at first sends the order of reading from computer data, wait is from computing machine return data character string, after principal computer is received character string is carried out verification, if data transmission is wrong, then abandon the data character string of receiving, resend and read, warning if triplicate is still unsuccessful from computer commands.If data transmission is correct, whether the principal computer analysis is new analysis data, if then character string is decomposed and is converted into the database that analysis data is saved in this machine, upgrade LED display immediately if host computer software has disposed, then turn to the program entry that sends data to LED display.If be not new analysis data, principal computer is left intact.
Principal computer initiates to read the order of analog quantity load module then, after receiving, the analog quantity load module returns the analog data character string, if the principal computer inspection does not have error of transmission, then character string is decomposed and be converted into the database that is saved in this machine after the analog quantity translation data, otherwise resend the order of reading the analog quantity load module, warning if triplicate is still unsuccessful.
Principal computer then directly reads database in centralized control system (abbreviation centralized control system) supervisory control comuter by netting twine.Content on the principal computer refresh display, if regularly upgrading the LED display time simultaneously arrives, then principal computer is according to the demonstration variable number of each LED display configuration, data are converted to region-position code (i.e. character comprise Chinese character be made up of two bytes), and form byte serial according to communication protocol and send to the LED display control panel, the LED display control panel is received the back check data, return confirmation then, if the LED display control panel correctly receives video data, then principal computer carries out the production data transmission of next LED display, till all LED display have all obtained upgrading.
Fig. 5 reports and submits the structural representation of the 3rd embodiment of system for the utility model production data, on the basis of technical scheme shown in Figure 2, principal computer 10 can also be connected in series LED display control panel 502 on RS-485 bus 33, even it is more, such as LED display control panel 50n, and correspondingly connect LED display 512, LED display 51n with 20 line winding displacements.
Present embodiment can also comprise LED display control panel 701 and LED display 711, LED display control panel 702 and LED display 712, LED display control panel 70m and LED display 71m, analog quantity load module 41.LED display control panel 701 usefulness 20 line winding displacements connect LED display 711, and LED display control panel 702 usefulness 20 line winding displacements connect LED display 712, and LED display control panel 70m connects LED display 71m with 20 line winding displacements.Bus converter 14 usefulness Shielded Twisted Pairs connect LED display control panel 701, LED display control panel 702, LED display control panel 70m and analog quantity load module 41, and at the head end and the tail end of RS-485 bus and connect 120 ohm terminal build-out resistor.
The structural representation that Fig. 6 reports and submits the 4th embodiment of system for the utility model production data on the basis of technical scheme shown in Figure 2, can also comprise 8 mouthfuls RS-485 hub 80.Principal computer 10 is connected with bus converter 12 by cable 11, and bus converter 12 is by the inlet of Shielded Twisted Pair connection RS-485 hub 80, and the outlet of RS-485 hub 80 connects different RS-485 equipment.The outlet of RS-485 hub 80 connects LED display control panel 501 by Shielded Twisted Pair, and the winding displacement of LED display control panel 501 usefulness 20 lines connects LED display 511; The outlet of RS-485 hub 80 connects LED display control panel 502 by Shielded Twisted Pair, and the winding displacement of LED display control panel 502 usefulness 20 lines connects LED display 512, can also comprise analog quantity load module 40, connects with Shielded Twisted Pair; The outlet of RS-485 hub 80 is by Shielded Twisted Pair connecting bus converter 22, and bus converter 22 connects from computing machine 20 by cable 21 again; The outlet of RS-485 hub 80 can also connect the inlet of an other RS-485 hub 81 by Shielded Twisted Pair.Outlet at RS-485 hub 81 can connect LED display control panel 503 by Shielded Twisted Pair, and LED display control panel 503 usefulness 20 line winding displacements are connected with LED display 513; The outlet of RS-485 hub 81 can also connect more LED display control panel; The outlet of RS-485 hub 81 can also connect analog quantity load module 41 by Shielded Twisted Pair.
Present embodiment connects each equipment with RS-485 hub 80 or 81, change into connected mode star-like by bus-type, expanded the RS-485 network communications capability, prolonged RS-485 network service distance, in addition, present embodiment also makes things convenient for networking, maintenance and management, and RS-485 equipment bad after, do not influence the communication of miscellaneous equipment, and first embodiment, second embodiment and the 3rd embodiment just do not possess this characteristics, but need to increase the investment of RS-485 hub device.The RS-485 hub is the best expansion and a trunking of realizing RS-485 network areaization and point-to-multipoint communication.
Specific embodiment described herein just illustrates the utility model spirit, the technician can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment under the utility model, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (6)
1. a production data is reported and submitted system, it is characterized in that: comprise principal computer, from computing machine, the analog quantity load module, bus converter, LED display control panel and LED display, described principal computer is connected with bus converter by cable, describedly be connected with bus converter by cable from computing machine, the bus converter that links to each other with principal computer, with the bus converter that links to each other from computing machine, analog quantity load module and LED display control panel are connected in series by Shielded Twisted Pair, described principal computer also comprises the RJ45 network interface, be connected with the supervisory control comuter of centralized control system by netting twine, described LED display links to each other with described LED display control panel by the winding displacement of 20 lines.
2. production data according to claim 1 is reported and submitted system, it is characterized in that: the RS-232/485 converter that described bus converter is isolated for band photoelectricity, also can be the USB/RS-485 converter of band photoelectricity isolation, can also be that PCI/RS-485 photoelectricity is isolated transition card.
3. production data according to claim 1 is reported and submitted system, it is characterized in that: described LED display comprises LED display driver circuit and LED lattice module.
4. production data according to claim 1 is reported and submitted system, it is characterized in that: the embedded system that described LED display control panel is made up of microprocessor, comprise microprocessor, program storage, data-carrier store, photoelectric isolating circuit, RS-485 communication device and current drives chip, also comprise page turning and two buttons of following page turning, be used for history display data at this display screen of local search.
5. production data according to claim 1 is reported and submitted system, it is characterized in that: the embedded system that described analog quantity load module is made up of single-chip microcomputer, comprise single-chip microcomputer, program storage, data-carrier store, A/D change-over circuit, photoelectric isolating circuit and RS-485 communication device, has the input of 8 tunnels analogy amounts, with the analog-signal transitions of sensor or detecting instrument output is digital quantity, again by RS-485 bus and described main computer communication.
6. production data according to claim 1 is reported and submitted system, it is characterized in that: described principal computer, from adopting RS-485 communication between computing machine, analog quantity load module and the LED display control panel, connected mode can be bus-type or star-like, for improving communication capacity, the utility model can comprise the RS-485 repeater, can also comprise the RS-485 hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201879761U CN201673397U (en) | 2010-05-13 | 2010-05-13 | Production data reporting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201879761U CN201673397U (en) | 2010-05-13 | 2010-05-13 | Production data reporting system |
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| Publication Number | Publication Date |
|---|---|
| CN201673397U true CN201673397U (en) | 2010-12-15 |
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|---|---|---|---|
| CN2010201879761U Expired - Lifetime CN201673397U (en) | 2010-05-13 | 2010-05-13 | Production data reporting system |
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| Country | Link |
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| CN (1) | CN201673397U (en) |
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2010
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