CN1332277C - Circuit system for automatic material weighing and blending production line control - Google Patents
Circuit system for automatic material weighing and blending production line control Download PDFInfo
- Publication number
- CN1332277C CN1332277C CNB2004100078708A CN200410007870A CN1332277C CN 1332277 C CN1332277 C CN 1332277C CN B2004100078708 A CNB2004100078708 A CN B2004100078708A CN 200410007870 A CN200410007870 A CN 200410007870A CN 1332277 C CN1332277 C CN 1332277C
- Authority
- CN
- China
- Prior art keywords
- production line
- automatic material
- circuit system
- control circuit
- material weighing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005303 weighing Methods 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title claims description 32
- 239000000463 material Substances 0.000 title claims description 32
- 238000002156 mixing Methods 0.000 title description 4
- 239000000975 dye Substances 0.000 claims abstract description 18
- 238000004043 dyeing Methods 0.000 claims abstract description 10
- 239000004753 textile Substances 0.000 claims abstract description 6
- 239000004615 ingredient Substances 0.000 claims description 26
- 238000004891 communication Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000003491 array Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract 1
- 238000010801 machine learning Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000004744 fabric Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009183 running Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Landscapes
- Treatment Of Fiber Materials (AREA)
- Programmable Controllers (AREA)
Abstract
The present invention relates to an automatic batch weighing controlling system for powdery solid dyes in textile dyeing and finishing industry, which belongs to the technical field of automatic measurement. The system composed of a supervisory computer, a lower computer and a high-precision electronic scale is high-precision automatic batch dyeing controlling equipment highly automatizing the dye batching process by combining a modern automatized controlling technology. The lower computer of the system is composed of a multishaft motion controlling card and an electric appliance controlling cabinet; the supervisory computer is electrically connected with the multishaft motion controlling card of the lower computer by a PCI bus, and the supervisory computer and the high-precision electronic scale form a real-time closed loop feedback system by a serial port; the supervisory computer and the high-precision electronic scale are respectively connected with an alternating-current stabilized voltage power supply. In the system, the problems of low dynamic weighing precision, difficult automatized batching, difficult automatized feeding, etc. of the powdery dyeing batch are solved with an advanced control method based on machine learning, optimality principle, self-adaptive control theory and a computer network technology, and the present invention overcomes the disadvantages of batching with a manual weighing method, and the batching with a manual weighing method is adopted owing to the failure to improve the automatic weighing precision all the time for a long term in China.
Description
Technical field
The present invention relates to automatic measurement technology field, particularly in the High Precision Automatic batch weighing control system of textile dyeing and finishing industry pulverulent solids dyestuff.
Background technology
Domestic textile dyeing and finishing industry uses artificial weighing technique to prepare burden owing to can't overcome control automatic material weighing precision problem for a long time, the low assurance product quality that is difficult to of proportioning accuracy.Realize that compounding automation is always for each major company drops into great effort, material resources research has formed large-tonnage product both at home and abroad, as grain weigh packaging production line, petrochemical industry weighing and burden production line etc., and above all be to carry out under the not really small relatively situation of constant relatively or close and weighing at proportioning, need 20 to 100 kinds for dyeing dyed fabric dye, and various proportioning differ only need several grams or tens gram material in the prescription that certain fabric often occurs and require weighing precision can not be lower than 1% situation just powerless.
Summary of the invention
The objective of the invention is to overcome this phenomenon that textile dyeing and finishing industry proportioning instability differs greatly again and has ultralow value to occur that relates to, a kind of system is provided, be dye Powdered, light specific gravity, realize intellectuality, high precision, dynamic weighing automatic blending on a large scale.
For achieving the above object, technical scheme of the present invention provides a kind of automatic material weighing Ingredient Production Line control circuit system, is applied to the textile dyeing and finishing industry, is made up of host computer, slave computer, electronic scales, it is characterized in that slave computer is made up of multi-axis motion control card and electric control cabinet; Host computer is electrically connected with the multi-axis motion control card of slave computer by pci bus, and this host computer also is the electronic scales formation real-time closed-loop feedback system of 0.01~0.1 gram by serial ports and resolution; Host computer links to each other with alternating current steady voltage plug respectively with electronic scales, provides alternating current by alternating current steady voltage plug.
Described automatic material weighing Ingredient Production Line control circuit system, its described host computer is an industrial PC, it is equipped with system control program in advance, the Control Software that this control circuit system adopted " High Precision Automatic blanking system application software Dyestuff " is worked out with the visual c++ language by this problem group member, stable and reliable operation; Applied for the software copyright registration.
Described automatic material weighing Ingredient Production Line control circuit system, the DSP (digital signal processor) that its described multi-axis motion control card is produced by TIX---TMS320F206, pci bus constitute, and TMS320F206 controls the motion of a plurality of directions separate on the space simultaneously and carries out communication by pci bus and host computer.
Described automatic material weighing Ingredient Production Line control circuit system, its described electric control cabinet is made up of 2-10 piece change-over panel, 2-10 piece power board, 2-10 piece solid-state relay plate, two groups of output Switching Power Supplies and plurality of terminals row; Wherein, multi-axis motion control card is connected with socket by cable, and socket is electrically connected with change-over panel, stop means and AC servo motor respectively; Change-over panel is electrically connected with power board, solid-state relay plate, electronic scales air valve, feed opening open and close valve and feed motor driver respectively again, and links to each other with alternating current steady voltage plug by two Switching Power Supplies respectively, and obtains the direct current power supply from two Switching Power Supplies; Power board is electrically connected with a Switching Power Supply, solenoid valve, and obtains the direct current power supply from this Switching Power Supply; The solid-state relay plate is electrically connected with another Switching Power Supply, feed motor driver, and obtains the direct current power supply from another Switching Power Supply; The feed motor driver links to each other with the feed motor.
Described automatic material weighing Ingredient Production Line control circuit system, its described change-over panel contain programmable gate array EPLD7064 chip 3-15 sheet.
Described automatic material weighing Ingredient Production Line control circuit system, its described power board contains 20-100 triode BU826 and photoelectric isolated chip TIL117.
Described automatic material weighing Ingredient Production Line control circuit system, its described solid-state relay plate is made up of 20-100 group solid-state relay array, and each group comprises two solid-state relay NFM25.
Described automatic material weighing Ingredient Production Line control circuit system, its described electronic scales real-time closed-loop feedback system feeds back to speed and the precision that host computer is controlled blanking to the scale signal of gathering in real time by serial ports.
Described automatic material weighing Ingredient Production Line control circuit system, its slave computer output AC servo-control signal and limit signal are controlled the motion state of charging carriage, the blanking of output feed drive control signal control feed motor, weighing of output scale control signal control electronic scales, delivery valve control signal control 20-100 group solenoid valve, output feed driving power signal controlling 20-100 group power supply for step-by-step motor, the output feed opening opens and closes the switching of signal controlling 20-100 group feed opening.
Described automatic material weighing Ingredient Production Line control circuit system, it is when system works, the feed driving power signal of slave computer output, between different feed motors, distribute switching through the feed motor driver, promptly when a certain dyestuff of weighing, have only the feed motor driver corresponding with this dyestuff jar just to be enabled, the feed motor driver of all the other dyestuff jar correspondences is closed.
Described automatic material weighing Ingredient Production Line control circuit system, its described serial ports is 232 serial ports.
The present invention distributes 20-100 road feed motor signal to realize control 20-100 road feed motor-driven by the EPLD7604 Real-time and Dynamic, promptly when a certain dyestuff of weighing, have only the feed motor driver corresponding with this dyestuff jar just to be enabled, the feed motor driver of all the other dyestuff jar correspondences is closed.
The present invention has the characteristics of weighing (0.1g-32kg), high precision (0.01-0.1g) and intellectuality on a large scale (according to dye species proportion, the corresponding model parameter of the different couplings of granularity).Control circuit partial design thinking novelty, working stability have very strong antijamming capability, are applicable to complicated commercial Application environment fully.
Description of drawings
Fig. 1 is an automatic material weighing Charge Mixture Control Circuits System The general frame of the present invention;
Fig. 2 is electric control cabinet change-over panel circuit theory diagrams of the present invention (part one);
Fig. 3 is electric control cabinet change-over panel circuit theory diagrams of the present invention (part two);
Fig. 4 is electric control cabinet power board circuit theory diagrams of the present invention (part one);
Fig. 5 is electric control cabinet power board circuit theory diagrams of the present invention (part two).
Embodiment:
The present invention can realize high precision, the automatic blending control system of weighing on a large scale for a kind of, and is different with the drop size at dyestuff proportion, granularity, the flow of multiple dyestuff, sets up the proportioning dynamic model.Solving application network multi-task control technology composition 20-100 kind material dynamic weighing on the dynamic weighing precision basis, automatic blending production line.The utilization adaptive control algorithm is set up the corresponding last drop control time according to the proportion of various dyestuffs, granularity etc., and according to the real-time closed-loop feedback of high precision scale, final realization is accurately weighed.Every kind of dyestuff is weighed scope between 0.1g-32kg, minimum resolution between 0.01-0.1g, weighing precision≤1%.System is furnished with sample debug system and production system two parts, and both can independent complete operation.Can realize dyeing, batching full process automatization management.Adopt computer networking technology,, simultaneously, the high precision match color procedure is monitored in real time by the data sharing of network realization sample system, production system and Database Systems.
With reference to Fig. 1, be The general frame of the present invention, this control circuit system structure is: be made of host computer 1, slave computer 2, electronic scales 3.Wherein, host computer 1 mainly is an industrial PC, be electrically connected with the multi-axis motion control card 201 of slave computer 2 by pci bus, carry out communication, this host computer 1 also constitutes the real-time closed-loop feedback system with high-precision electronic scale 3 (resolution is the electronic scales of 0.01~0.1 gram) by 232 serial ports 101.Host computer 1 links to each other with alternating current steady voltage plug 4 respectively with electronic scales 3, provides 220V alternating current by alternating current steady voltage plug 4.
Change-over panel 2021 is mainly made up by programmable gate array EPLD7064, and power board 2022 is made up of triode BU826 and photoelectric isolated chip TIL117.The following control signal of slave computer 2 outputs: charging carriage operation limit signal, servo-control signal, feed drive control signal, feed opening open and close signal, feed driving power signal, solenoid control signal and scale control signal.
The native system course of work is summarized as follows: 232 serial ports 101 of host computer 1 link to each other with electronic scales 3 and constitute the real-time closed-loop feedback system, and an AC voltage regulator 4 provides AC220V stabilized voltage supply for host computer 1, electronic scales 3 and electric control cabinet 202.Host computer 1 is connected with multi-axis motion control card 201 in the slave computer 2 by pci expansion slot 102.The urgency that is input as of multi-axis motion control card 201 is stopped control signal, is used for cutting off rapidly when fortuitous event occurring the power supply of servomotor 6 and feed motor 10; Multi-axis motion control card 201 output signals are transferred to electric control cabinet 202 by one 37 core cable 11, and limit signal wherein and servo-control signal directly output to the stop means 5 of charging carriage orbit and the servomotor 6 of driving trolley with one 12 core cable 12 and one 10 core cable 13 respectively from the Electric Appliance Cabinet terminal row; And scale control signal and feed drive control signal are outputed to the electronic scales air valve 8 and the feed motor driver 9 of electronic scales device by one 12 core cable 14 by 2-10 piece change-over panel 2021 conversion back; Feed opening opens and closes signal and outputs to 20-100 road feed opening open and close valve 12 by 2-10 piece change-over panel 2021 conversion backs by 20-100 root 4 core cables 15; The solenoid control signal is to carry out power amplification by 2-10 piece power board 2022 again behind the signal of 20-100 road by 2-10 piece change-over panel 2021 conversion assignments, outputs to the solenoid valve 7 of 20-100 road blanking subsystem by 20-100 root 4 core cables 15; Feed driving power signal is that 20-100 road signal amplifies through 2-10 piece solid-state relay plate 2023 by 2-10 piece change-over panel 2021 conversion assignments, outputs to 20-100 road feed motor driver 9 by 20-100 root 7 core cables 16.
With reference to Fig. 2 and Fig. 3, be change-over panel 2021 circuit theory diagrams.Behind the input 4-20 sheet TLP521 photoelectric isolated chips such as signal X01-X17 such as the feed drive controlling of being come by multi-axis motion control card 201, scale control and valve control, OPADD signal A1-A8, solenoid valve signal OSCK, feed driving power signal STEP, feed drive control signal CHANGE, feed opening open and close signal OPEN, scale control signal LEVEL and four space signal B1-B4.Output to the electronic scales air valve 8 of feed motor driver 9 and electronic scales device after feed drive control signal CHANGE and scale control signal LEVEL amplify by power drive chip ULN2804 respectively, address signal A1-A8 is input to programmable gate array EPLD7064 chip U1-U15; Solenoid valve signal 0SCK is input to EPLD7064 chip U1-U5; Feed driving power signal STEP is input to EPLD7064 chip U6-U10; Feed opening opens and closes signal OPEN and is input to EPLD7064 chip U11-U15.Like this, by the conversion assignments of programmable gate array to signal, EPLD7064 chip U1-U15 exports nearly solenoid valve signal OSC0-OSC99, feed driving power signal STEP0-STEP19 and the feed opening switching signal OPEN0-OPEN99 on 20-100 road respectively.After above-mentioned signal amplifies through 10-30 piece power drive chip ULN2803, wherein feed driving power signal STEP0-STEP99 outputs to solid-state relay plate 2023, solenoid control signal OSC0-OSC99 outputs to power board 2022, and feed opening opens and closes signal OPEN0-OPEN99 and outputs to the switching that feed opening open and close valve coil array OPEN/A-OPEN/S among Fig. 3 controls 20-100 road feed opening.Afterflow was used when the diode array among Fig. 3 was used for the outage of feed opening open and close valve coil array.The annexation of each components and parts all provides with the network mark among the figure, has just repeated no more here.
With reference to Fig. 4 and Fig. 5, be power board 2022 circuit theory diagrams, to be formed by the individual independently driver element of 20-100, each driver element is made of a slice TIL117 photoelectric isolated chip and a triode BU826.The solenoid valve signal OSC0-OSC99 that comes from change-over panel 2021 power drive chip ULN2804 controls the nearly solenoid valve 7 on 20-100 road after driver element amplifies.With first driver element is that example is described as follows: 2 pins that are input to photoelectric isolated chip TIL117 from the solenoid control signal OSC0 of power drive chip ULN2804, when the OSC0 signal is low level, 1,2 pins have electric current to flow through, also there is electric current to flow through by optically-coupled effect 5,4 pins, solenoid valve 7 coils are flow through in then triode BU826 conducting, its emitter current.
Otherwise when the OSC0 signal was high level, triode BU826 ended, and solenoid valve 7 coils do not have electric current to flow through.Wherein diode Z11 is that the inductive load afterflow is used.The collector voltage DC1 of triode BU826 changes into DC+24V by the rectifier circuit among Fig. 4 with AC220V and obtains.The principle of work of all the other driver elements roughly the same.The annexation of each components and parts among the figure all provides with the network mark, has just repeated no more here.
Claims (14)
1. an automatic material weighing Ingredient Production Line control circuit system is applied to the textile dyeing and finishing industry, is made up of host computer, slave computer, electronic scales, it is characterized in that slave computer is made up of multi-axis motion control card and electric control cabinet; Host computer is electrically connected with the multi-axis motion control card of slave computer by pci bus, and this host computer also is the electronic scales formation real-time closed-loop feedback system of 0.01~0.1 gram by serial ports and resolution; Host computer links to each other with alternating current steady voltage plug respectively with electronic scales, provides alternating current by alternating current steady voltage plug.
2. automatic material weighing Ingredient Production Line control circuit system according to claim 1 is characterized in that described host computer is an industrial PC, and it is equipped with system control program in advance.
3. automatic material weighing Ingredient Production Line control circuit system according to claim 1, it is characterized in that, described multi-axis motion control card is made of digital signal processor-TMS320F206, the pci bus that TIX produces, and TMS320F206 controls the motion of a plurality of directions separate on the space simultaneously and carries out communication by pci bus and host computer.
4. automatic material weighing Ingredient Production Line control circuit system according to claim 1, it is characterized in that described electric control cabinet is made up of 2-10 piece change-over panel, 2-10 piece power board, 2-10 piece solid-state relay plate, two groups of output Switching Power Supplies and plurality of terminals row; Wherein, multi-axis motion control card is connected with socket by cable, and socket is electrically connected with change-over panel, stop means and AC servo motor respectively; Change-over panel is electrically connected with power board, solid-state relay plate, electronic scales air valve, feed opening open and close valve and feed motor driver respectively again, and links to each other with alternating current steady voltage plug by two Switching Power Supplies respectively, and obtains the direct current power supply from two Switching Power Supplies; Power board is electrically connected with a Switching Power Supply, solenoid valve, and obtains the direct current power supply from this Switching Power Supply; The solid-state relay plate is electrically connected with another Switching Power Supply, feed motor driver, and obtains the direct current power supply from another Switching Power Supply; The feed motor driver links to each other with the feed motor.
5. automatic material weighing Ingredient Production Line control circuit system according to claim 4 is characterized in that described change-over panel contains programmable gate array, photoelectric isolated chip and power drive chip.
6. automatic material weighing Ingredient Production Line control circuit system according to claim 4 is characterized in that described power board contains triode and photoelectric isolated chip.
7. automatic material weighing Ingredient Production Line control circuit system according to claim 4 is characterized in that, described 2-10 piece solid-state relay plate is made up of 20~100 groups of solid-state relay arrays, and each group comprises two solid-state relays.
8. automatic material weighing Ingredient Production Line control circuit system according to claim 1 is characterized in that, described electronic scales real-time closed-loop feedback system feeds back to speed and the precision that host computer is controlled blanking to the scale signal of gathering in real time by serial ports.
9. automatic material weighing Ingredient Production Line control circuit system according to claim 1, it is characterized in that, slave computer output AC servo-control signal and limit signal are controlled the motion state of charging carriage, the blanking of output feed drive control signal control feed motor, weighing of output scale control signal control electronic scales, 20~100 groups of solenoid valves of delivery valve control signal control, 20~100 groups of feed motor powers of output feed driving power signal controlling, the output feed opening opens and closes the switching of signal controlling 20-100 group feed opening.
10. automatic material weighing Ingredient Production Line control circuit system according to claim 9, it is characterized in that, when system works, the feed driving power signal of slave computer output, between different feed motors, distribute switching through the feed motor driver, promptly when a certain dyestuff of weighing, have only the feed motor driver corresponding with this dyestuff jar just to be enabled, the feed motor driver of all the other dyestuff jar correspondences is closed.
11., it is characterized in that described serial ports is 232 serial ports according to claim 1 or 8 described automatic material weighing Ingredient Production Line control circuit system.
12. automatic material weighing Ingredient Production Line control circuit system according to claim 5 is characterized in that described programmable gate array chip is the EPLD7064 model; Photoelectric isolated chip is the TLP521 model; The power drive chip is the ULN2804 model.
13. automatic material weighing Ingredient Production Line control circuit system according to claim 6 is characterized in that described triode is the BU826 model; Photoelectric isolated chip is the TIL117 model.
14. automatic material weighing Ingredient Production Line control circuit system according to claim 7 is characterized in that described solid-state relay is the NFM25 model.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100078708A CN1332277C (en) | 2004-03-03 | 2004-03-03 | Circuit system for automatic material weighing and blending production line control |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100078708A CN1332277C (en) | 2004-03-03 | 2004-03-03 | Circuit system for automatic material weighing and blending production line control |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1664734A CN1664734A (en) | 2005-09-07 |
CN1332277C true CN1332277C (en) | 2007-08-15 |
Family
ID=35035862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100078708A Expired - Fee Related CN1332277C (en) | 2004-03-03 | 2004-03-03 | Circuit system for automatic material weighing and blending production line control |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1332277C (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100358078C (en) * | 2005-10-28 | 2007-12-26 | 东南大学 | Method for observing and controlling colour picture tube light-spot, convergence and grating |
CN100449441C (en) * | 2005-12-27 | 2009-01-07 | 山东三金玻璃机械股份有限公司 | Integrated intelligence control system of bottle making machine production line |
CN100495449C (en) * | 2006-10-23 | 2009-06-03 | 浙江工业大学 | Interaction type dosage calibrating device of hot-cold drink automatic vending machine |
CN103019204A (en) * | 2012-12-12 | 2013-04-03 | 济南金钟电子衡器股份有限公司 | Centralized material distribution control system based on PROFIBUS-decentralized periphery (DP) technology |
CN103638869B (en) * | 2013-12-04 | 2016-03-16 | 深圳市赛亿科技开发有限公司 | A kind of precisely-proportioned mixing device and material proportion method thereof |
CN106371409B (en) * | 2016-08-27 | 2019-02-19 | 绍兴兴明染整有限公司 | A kind of dyeing and finishing production line administrative system and management method |
CN108873955B (en) * | 2018-04-27 | 2021-05-11 | 昆山保扬新型材料科技有限公司 | Color matching method for dope-dyed textile material |
CN109884973A (en) * | 2019-02-28 | 2019-06-14 | 宁波明兮信息技术有限公司 | A kind of method of multi-channel control shared components |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1031486A (en) * | 1987-04-22 | 1989-03-08 | 科罗尔服务公司 | Automatic weighing plant for dyes in powder form |
US4835701A (en) * | 1986-04-23 | 1989-05-30 | Kawasaki Steel Corp. | Post-mix method and system for supply of powderized materials |
JPH07319556A (en) * | 1994-05-27 | 1995-12-08 | Toshiba Corp | Color controller |
-
2004
- 2004-03-03 CN CNB2004100078708A patent/CN1332277C/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4835701A (en) * | 1986-04-23 | 1989-05-30 | Kawasaki Steel Corp. | Post-mix method and system for supply of powderized materials |
CN1031486A (en) * | 1987-04-22 | 1989-03-08 | 科罗尔服务公司 | Automatic weighing plant for dyes in powder form |
JPH07319556A (en) * | 1994-05-27 | 1995-12-08 | Toshiba Corp | Color controller |
Also Published As
Publication number | Publication date |
---|---|
CN1664734A (en) | 2005-09-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101560741B (en) | Method for controlling flow of transmission control system of paper machine | |
US8923993B2 (en) | Method and system for engineering a substation automation system | |
CN1332277C (en) | Circuit system for automatic material weighing and blending production line control | |
CN107005053B (en) | Device and method for controlling a decentralized energy production installation | |
US20120078431A1 (en) | Modular energy load management | |
CN109282884A (en) | A kind of intelligence batching weighing control system and its control method | |
CN105158718A (en) | Fault indicator comprehensive testing method and testing system | |
US9886028B2 (en) | Automation facility and method for expanding the automation facility with at least one field device | |
CN2781434Y (en) | Production tine control circuit system with automatic material weighing and distributing device | |
CN104615129A (en) | Hardware-in-loop testing device of alternating current servo motor | |
CN104578074A (en) | Loop communication network system based on optical fiber interface and control method thereof | |
CN104090525B (en) | Machine control equipment and driving means thereof | |
CN110262369B (en) | Simulation test system of ring crane direct current driving system | |
CN109991945A (en) | Mixing plant and concrete pump combined control system | |
CN105955113A (en) | Intelligent servo control device and equipment using same | |
CN204462838U (en) | AC servo motor hardware-in-the-loop test device | |
CN213748709U (en) | Single-scale batching system automatic control cabinet | |
CN212364818U (en) | Two input balance function block connection structure of thermal power generating unit | |
CN111600329B (en) | Distributed photovoltaic power station system and power compensation method | |
CN209120205U (en) | Constructing tunnel data interaction equipment based on Ethernet and CAN-bus network | |
EP3246126B1 (en) | Coolant delivery system and method of distributing coolant | |
CN214011791U (en) | Stock yard remote control system | |
CN207440168U (en) | A kind of high-precision PLC Analog input mModules frock tests system | |
CN207026686U (en) | Photovoltaic welding belt welding control system | |
CN101477360A (en) | Multi-module data transmission communication system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070815 Termination date: 20170303 |
|
CF01 | Termination of patent right due to non-payment of annual fee |