CN109859905A - A kind of high-speed knitter intelligent controller - Google Patents
A kind of high-speed knitter intelligent controller Download PDFInfo
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- CN109859905A CN109859905A CN201910224918.7A CN201910224918A CN109859905A CN 109859905 A CN109859905 A CN 109859905A CN 201910224918 A CN201910224918 A CN 201910224918A CN 109859905 A CN109859905 A CN 109859905A
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- braider
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Abstract
A kind of high-speed knitter intelligent controller, a kind of controller that is novel, can be realized braider intelligence operation.There are two types of control models for it, first is that touch screen control mode, that is, pass through manual operation controller touch screen, control braider operation；Second is that the braider in one or more even entire workshop is run by PC control by network connection, unmanned plant operations are realized.Intelligent controller is by a Micro-processor MCV, one piece of touch screen, signal input and output conversion circuit, power conversion module, the devices such as serial communication and network connection composition on hardware.Master control chip of the Micro-processor MCV as intelligent controller, with 8 position datawires and several control lines, there is line to monitor braider operating status for it, automatic networking, automatic identification are connected to the driving equipment on serial ports, it realizes that braider failure illustrated position even failure is automatically repaired function, has memory function and host computer task recognition function etc..
Description
Technical field
The present invention relates to high-speed knitter intelligent controllers, belong to technical field of wire cable manufacture.
Background technique
High-speed knitter is used to woven cable shielded layer, there is two layers of spindle；When machine is run, two layers of spindle is reversely rotated,
By braided wires across, superposition ground, uniformly around on cable, form mesh shields layer.One braider has a controller,
Braider operation is controlled, the work such as unwrapping wire, braiding, take-up are completed.
As China's process of industrialization is constantly progressive, equipment requirement is also continuously improved in line cable industry, on the one hand requires to produce
Reliability that product have had, stability, on the other hand the demand desire to product in terms of industrial interconnection is also more and more strongly.It is based on
This, also performance and quality is being continuously improved in high-speed knitter, and making it to keep pace with the times paces or even goes before.For this purpose, I am public
Department develops a kind of high-speed knitter controller of novel intelligence, on the one hand it will be able to satisfy the demand for control of separate unit braider,
And automatization level is improved, and on the other hand meet industrial demand for interconnection, realizes and centralized control is carried out to more braiders, it is unified to grasp
Make, unmanned workshop purpose may be implemented.
Summary of the invention
The object of the present invention is achieved by the following technical solutions, a kind of high-speed knitter intelligent controller, it is wrapped
Include a Micro-processor MCV, one piece of touch screen, signal input and output conversion circuit, power conversion module, serial communication and net
Network connects circuit.There are the Micro-processor MCV 8 position datawires and control line to form, and have serial communication and network
Linkage function, interrupt control function with priority orders are also equipped with certain memory space, 8 position datawires and control line and the signal of the MCU
Input is connect with the driver of output conversion circuit, latch；Be equipped with serial port communication chip in the serial communication, and with communication
Line connection；Network chip in the network connecting function is connect with read-write line, the driver, latch, serial communication core
Piece, network chip become the level-one peripheral chip of MCU, realize the input and output of MCU digital signal, the serial port communication chip
It is also connect with touch screen and frequency converter and servo-driver, realize human-computer interaction work or controls other driving equipment work, institute
It states network chip to connect with the network equipment, realizes controller networking, the driver, latch are also inputted with signal to be turned with output
Circuit connection is changed, the digital signal of MCU is formed to the control signal of high-speed knitter by conversion circuit, while high speed being woven
The status information of machine is converted to digital signal and uses for MCU, and the power conversion module circuit provides corresponding power for each device
Power supply.
As preferred: the Micro-processor MCV is using the 16F877A chip in PIC family chip, the level-one periphery
Buffering driver and latch are using 244 or 373 in the high-speed cmos chip of 74 serial 8 data pins；The serial communication
Using the SP485EN in 485 family chips；The network chip is using the chip for having ICP/IP protocol.
As preferred: the signal input and output conversion circuit are by buffering driver, latch, signal isolation device
And power amplifying device composition, the signal isolation device are connect with power amplifying device, the power amplifying device connection is high
The control line of fast braider, the signal isolator are also connect with braider status signal；MCU passes through the every data of buffering driver
Position can receive input signal all the way, and can be exported by the every data bit of latch and control signal all the way.
As preferred: the touch screen has the function of serial communication, and band character library can carry out figure or Programming in Digital Image Processing,
It is connect by serial port chip with MCU, shows that high-speed knitter state is believed in a manner of text or graph image according to the instruction of MCU
Breath, while finger touch information formation data are transferred to MCU, realize human-computer interaction.
As preferred: the power conversion module has input all the way and three tunnel output functions, inputs 24V power supply, defeated
1 road 24V power supply and 2 road 5V power supplys out are powered to different components respectively, reduce interference, it is ensured that controller stable and reliable operation.
Detailed description of the invention
Fig. 1 is hardware structural diagram of the invention.
Fig. 2 is intelligent controller program flow diagram of the present invention.
Specific embodiment
The present invention is described in detail below in conjunction with attached drawing: being as shown in Figure 1 the hard of high-speed knitter intelligent controller
Part structure chart.Micro-processor MCV is core devices in figure, has the function of storage, operation, control, communication, interruption etc., software journey
Sequence and data parameters are stored in MCU；MCU is connect by control line with 8 position datawires with one or more buffering drivers, is delayed
The optical coupling isolator that driver reconnects corresponding number is rushed, optical coupling isolator is connected to signal input output interface, in this way, high speed
The various status signals (such as starting, stopping, reset, fault alarm, cable detection, metering) of braider are inputted defeated by signal
Outgoing interface reaches MCU by optical coupling isolator and buffering driver, forms input signal.MCU passes through control line and 8 position datawires
It is connect with one or more latch, latch reconnects the optical coupling isolator of corresponding number, and optical coupling isolator connects corresponding number
The power amplifier of amount, power amplifier are connected to signal input output interface, in this way, the control signal that MCU is generated (such as opens
Dynamic, stoppings, revolving speed, take-up, unwrapping wire etc.) latched device, optical coupling isolator, power amplifier reach control terminal, control braider
Corresponding operating is carried out, output signal is formed.
Buffering driver, latch, isolator, the signal input of amplifier composition control device and output conversion circuit, will
The switching signal of braider is converted to digital signal；The digital signal of MCU is converted into control braider run switch signal.
Serial port communication chip one end is connect with MCU in as shown in the figure, and one end is connect with touch screen, and MCU passes through serial ports and touching
Screen exchange data are touched, control touch screen carries out character or graphical display；Meanwhile touch screen passes screen touch signal by serial ports
It is defeated to arrive MCU, finishing man-machine interaction work.Serial port chip is also directly connect with input/output interface, other drivers of braider
(frequency converter, servo-driver etc.) can be parallel on the input/output interface terminal, theoretically at most can be 255 in parallel
Equipment forms powerful serial communication function.MCU can be easy to control each driver by serial ports, for example adjust the speed, is fixed
Position, read-write parameter etc..MCU also passes through read-write control line direct interconnection network chip, and network chip connects network interface.
From the external 24V power supply of power input interface, directly export 1 road 24V power supply is power conversion module circuit in such as figure
Power amplifying device power supply；1 road 5V power supply is exported by chip (this example selects 7805), is powered for optical coupling isolator；Pass through power supply
Conversion module exports road 5V power supply, is other chip power supplies such as MCU.Three road out-put supplies, power respectively, guarantee that controller is steady
Fixed, reliability service.
Micro-processor MCV of the present invention uses PIC16F877A chip；Buffering driver is using high-speed cmos system example
Chip considers to be made of 3 HC244 chips, can form the input of 24 road signals to expand punching；Latch is using high-speed cmos system example
Chip considers to be made of 2 HC373 chips, can form the output of 16 road signals to expand punching；Serial port communication chip uses 1
SP485 chip；Network chip uses a CH395 chip；Optical coupling isolator is using TLP series, such as TLP521, quantity and buffering
Driver and latch match；Power amplifier is serial using ULN, such as ULN2803, and quantity is corresponding with output signal quantity.
The optical coupling isolator and power amplifier of new controller can carry out flexible configuration according to braider semaphore, at most can be real
Existing 24 tunnel input signals and 16 tunnel output signals, meet all types braider demand for control.
Because braider is essentially switching signal to the input signal of controller, these are believed for Micro-processor MCV
Number delay time is longer, and enough MCU are timely responded to, therefore MCU obtains input signal using cyclic query mode.485 serial communications
It is connected to touch screen and other drivers, using MODBUS communication format, since the communication data of touch screen and each driver is long
Spend different, data transmission bauds is fast, therefore MCU carries out serial communication using interrupt mode, accomplishes real-time response for each communication side.
Network connection uses interrupt mode.
The invention has the following advantages that
One integrated level is high, and extension is convenient.New controller at most can receive the input of 24 road signals and export with 16 road signals；At most
(including touch screen) can be communicated with 255 serial equipments, can satisfy the demand for control of all braiders.Practice
In, isolator and amplifier chip are accordingly increased and decreased according to different type braider semaphore, that is, meet demand for control save again at
This.As long as the serial communications equipment such as frequency converter, servo-driver is connected on input/output interface terminal, controller can be identified
And carry out data exchange.
Second is that friendly man-machine interface.Touch screen band character library, can carry out character and show and displaying of graph and image, can be fine
Ground intuitively shows the various states and parameter of braider, extreme enrichment display interface；The menu of design and button control
Part, simple and clear, operator can skillfully use without training or through simple training.
Third is that of high quality and at a reasonable price, energy conservation and environmental protection.Controller chip and auxiliary element be all can purchase in the market it is logical
With device, reliable performance, quality is stablized, and price transparent, all components are nontoxic, and low energy consumption for integrated controller, meets
Energy conservation and environmental protection requirement.
Fourth is that intelligent operation.Mature cable weaving can be stored in by operator or host computer in the form of code name
In controller, convenient use from now on or other staff are used, and are not required to each inputting process parameters, avoid mistake, improve life
Produce efficiency；Graphicalization positioning is carried out to failure, so that maintenance personnel can be with rapidly removing faults；Real-time monitoring braider runs shape
State, the state deviation that early warning is likely to occur, and correct automatically；By serial ports by large number of braiding interconnection plane and according to host computer
Output services parameter is defined, or receives the operational order of host computer, is automatically performed task, realizes that workshop is unmanned.
Five, memory and monitoring function.In operation in case of power-off or other failures, controller will be saved and led braider
Running parameter is wanted, runs the state for continuing front after restarting, guarantees that product quality is unaffected.High-speed knitter operation
When, intelligent controller real-time monitoring braider state shuts down timely early warning or alarm if any exception, it is ensured that equipment safety and line
Cable weaving quality.
Software implementing course of the invention is as shown in Figure 2: MCU operation program, first intelligent control after controller is powered
Device self-test, then equipment state self-test is carried out, then determine that the machine is PC control or touch screen control.
Controller self-test predominantly detects MCU and whether touch screen data communication is normal, and just whether MCU and each driver communicate
Often, exception information is then shown if there is abnormal.Equipment state self-test detects each input of braider by input with output interface
Signal then shows exception information if any abnormal.No matter PC control or touch screen control, intelligent controller only controlling
Just allow to operate under device self-test and all normal situation of equipment state self-test and run.
Touch screen control: intelligent controller is for the first time touch screen control using default, and previous operation is touch screen control,
This operation is also touch screen control.Program work process is 1. to receive to execute touch screen order, parameter is arranged or to braider
Carry out operation control；2. monitoring braider operating status；3. handling network interruption event, upper machine information is handled.If upper
Machine information is PC control order, then intelligent controller is transferred to PC control working method, and otherwise program continues from 1. following
Inscription of loop.
PC control: the previous operation of controller is PC control, this operation is also PC control.Program work
Process is 1. shielding touch screen order, receives and executes host computer order, and parameter is arranged or carries out operation control to braider；2. supervising
Braider operating status is surveyed, and transmits information to host computer；3. handling network interruption event, upper machine information is handled.If
Upper machine information be touch screen control order, then intelligent controller is transferred to touch screen control working method, otherwise program continue from
1. circular flow.
No matter PC control or touch screen control, intelligent controller for braider operation control be just as
, but two kinds of control modes respectively have feature.Under touch screen control, careful control comprehensively can be carried out to separate unit braider and is operated,
When especially carrying out troubleshooting, the various control commands of touch screen can be flexibly used, accurate fault location solves to ask as early as possible
Topic.For hundreds and thousands of braider operations of control, PC control just plays its advantages: centralized control, real time monitoring.It is logical
Centralized displaying, a mesh can be carried out for working condition, job schedule, the running parameter etc. of all networking braiders by crossing host computer
It is clear, saves a large amount of manpowers.And pre-warning signal can be set, prepare braider action in advance, improves production efficiency.
So using PC control mode under normal operating conditions；When debugging, using touch screen control mode,
The strong point of intelligent controller can be made full use of, device intelligence operation is realized, realizes unmanned workshop.
Claims (5)
1. a kind of high-speed knitter intelligent controller, it includes a Micro-processor MCV, one piece of touch screen, signal input with it is defeated
Conversion circuit out, power conversion module, serial communication and network connection circuit, it is characterised in that the Micro-processor MCV tool
It is made of 8 position datawires with control line, and there is serial communication and network connecting function, interrupt control function with priority orders is also equipped with one
Determine memory space, driver, the lock of 8 position datawires and control line of the MCU and signal input with output conversion circuit
Storage connection；It is equipped with serial port communication chip in the serial communication, and is connect with connection；Net in the network connecting function
Network chip is connect with read-write line, and the driver, latch, serial port communication chip, network chip become the level-one periphery core of MCU
Piece, realize MCU digital signal input and output, the serial port communication chip also with touch screen and frequency converter and servo-driver
Connection realizes human-computer interaction work or controls other driving equipment work, and the network chip is connect with the network equipment, realizes control
Device networking processed, the driver, latch are also inputted with signal and are connect with output conversion circuit, the digital signal of MCU is passed through
Conversion circuit forms the control signal of high-speed knitter, while the status information of high-speed knitter is converted to digital signal and is supplied
MCU is used, and the power conversion module circuit provides corresponding power power supply for each device.
2. high-speed knitter intelligent controller according to claim 1, it is characterised in that the Micro-processor MCV uses
16F877A chip in PIC family chip, level-one periphery buffering driver and latch are using 74 serial 8 data pins
High-speed cmos chip in 244 or 373；The serial communication is using the SP485EN in 485 family chips；The network core
Piece is using the chip for having ICP/IP protocol.
3. high-speed knitter intelligent controller according to claim 1, it is characterised in that the signal input and output
Conversion circuit is made of buffering driver, latch, signal isolation device and power amplifying device, the signal isolation device with
Power amplifying device connection, the control line of power amplifying device connection high-speed knitter, the signal isolator also with volume
The connection of loom status signal；MCU can receive input signal all the way by the every data bit of buffering driver, and every by latch
Data bit can export and control signal all the way.
4. high-speed knitter intelligent controller according to claim 1, it is characterised in that the touch screen has serial ports
Communication function, band character library, can carry out figure or Programming in Digital Image Processing, it is connect by serial port chip with MCU, according to the instruction of MCU
High-speed knitter status information is shown in a manner of text or graph image, while finger touch information formation data being transferred to
MCU realizes human-computer interaction.
5. high-speed knitter intelligent controller according to claim 1, it is characterised in that the power conversion module tool
There are input all the way and three tunnel output functions, input 24V power supply, export 1 road 24V power supply and 2 road 5V power supplys, gives different components respectively
Power supply reduces interference, it is ensured that controller stable and reliable operation.
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| CN201910224918.7A CN109859905A (en) | 2019-03-24 | 2019-03-24 | A kind of high-speed knitter intelligent controller |
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| CN201910224918.7A CN109859905A (en) | 2019-03-24 | 2019-03-24 | A kind of high-speed knitter intelligent controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112149200A (en) * | 2020-08-12 | 2020-12-29 | 郑州地铁集团有限公司运营分公司 | Digital analog device of signal interlocking system |
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