CN206706304U - A kind of embedded woof-selecting controller for rapier loom - Google Patents
A kind of embedded woof-selecting controller for rapier loom Download PDFInfo
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- CN206706304U CN206706304U CN201720559385.4U CN201720559385U CN206706304U CN 206706304 U CN206706304 U CN 206706304U CN 201720559385 U CN201720559385 U CN 201720559385U CN 206706304 U CN206706304 U CN 206706304U
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- stepper motor
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- microprocessor
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Abstract
It the utility model is related to a kind of embedded woof-selecting controller for rapier loom; it is characterized in that the controller includes microprocessor, power transfer module, the first stepper motor drive module, the second stepper motor drive module, high-speed light coupling control module and circuit protection module, the microprocessor, power transfer module, the first stepper motor drive module, the second stepper motor drive module, high-speed light coupling control module and circuit protection module are integrated on one piece of circuit board；The microprocessor is provided with SWIM interfaces；The power transfer module is connected with outside 24V dc sources, and outside 24V dc sources are switched to 3.3V dc source, is powered for whole controller；The input of the microprocessor couples control module with high-speed light by UART and is connected；Input of the output end of microprocessor respectively with the first stepper motor drive module and the second stepper motor drive module is connected.
Description
Technical field
It the utility model is related to one kind and select latitude control technology field for rapier loom, and in particular to one kind is knitted for arrow shaft
The embedded woof-selecting controller of machine.
Background technology
As the horizontal growth improved with products export of China's textile industry, the demand of shuttleless loom are growing day by day.
Develop from external shuttleless loom technology, in the technologies such as electromechanical integration, speed, selection, all there occurs great variety, and state
Producing equipment, also there is a big difference compared with external, and the performance for improving, developing and improving domestic shuttleless loom is extremely urgent thing
Feelings.One of most important machine is rapier loom in shuttleless loom, and Weft selector is the key components of rapier loom.One
As rapier loom select latitude work to complete by stepper motor, then a kind of rapier loom that can be applied to of design possess height
Precision, the controller of stepper motor of high stability are just particularly important.The use that existing controllor for step-by-step motor has can
Controlling programmer (PLC) is controlled, and cost is higher, and needs professional to carry out Operation and Maintenance, also has some steppings electricity
Machine controller can only drive a stepper motor, if with multiple this controllers are needed if on rapier loom, both add multiple
Polygamy, it also result in fund waste.Therefore need to invent a with safe and stable, efficient, explorative good, inexpensive step
Stepper motor woof-selecting controller.
Application No. 201320531731.X Chinese patent discloses a kind of drive system of stepper motor, wherein handling
Device is single-chip microcomputer, and single-chip microcomputer controls stepper motor by the motor drive ic in I/O port Driving Stepping Motor drive circuit
The rotating of rotating shaft simultaneously provides clock signal for the chip, and the motor drive ic in stepper motor driving circuit is THB7128
Chip.The input signal of single-chip microcomputer is isolated using two-way P817 photo-couplers, can meet to believe input to a certain extent
Number protective effect, have the function that the interference of isolation scene, but accelerate with the speed of loom update in recent years, in product
The rate of output and product quality on propose and higher require, this requires loom in operation stability and the speed of service (signal
Transmission rate is one of influence factor) on need further to improve, the signal transmission rate of existing drive system can not expire
Sufficient demand.
《The Weft selector analysis and design of rapier loom》(the Weft selector analysis and design of Zhang Limei rapier looms
[D] Shanghai Communications Universitys, 2010.) the rapier loom woof-selecting controller mentioned in selects the model of ALTERA companies
EP1K50QC208-3 programmable logic chip control, carries out modularized design, adds the workload of programming, and flexibility
It difference, need to such as change system motion form, need to redesign and process, the cycle is longer, and costly.
Utility model content
In view of the shortcomings of the prior art, actual techniques problem to be solved in the utility model, which is to provide, a kind of is used for arrow shaft
The embedded woof-selecting controller of loom, the controller, will by power transfer module using RAM stm8s003F chips as core
24V supply voltages are converted into 3.3V supply voltages, and constant supply voltage is provided for controller, to realize the guarantor to input signal
Protect and anti-interference, the part being disturbed from TLP290-4 high-speed lights coupling control module interference source and easily is kept apart, and is protected
Signal contact is held, meanwhile, the protective effect to circuit is realized from two high performance peace silicon electric capacity.In addition, to meet control
Application of the device in physical device, the utility model control two stepper motor cooperations respectively with two A3986 chips, from
And improve the control efficiency to the stepper motor on Weft selectors for Rapier Loom.
The utility model solves the technical scheme that the technical problem uses：A kind of insertion for rapier loom is provided
Formula woof-selecting controller, it is characterised in that the controller includes microprocessor, power transfer module, the first driving stepper motor mould
Block, the second stepper motor drive module, high-speed light coupling control module and circuit protection module, the microprocessor, power supply turn
Change the mold block, the first stepper motor drive module, the second stepper motor drive module, high-speed light coupling control module and circuit protection
Module is integrated on one piece of circuit board；The microprocessor is provided with SWIM interfaces；The power transfer module and outside 24V are straight
Power supply connection is flowed, outside 24V dc sources are switched to 3.3V dc source, powered for whole controller；The microprocessor
Input control module coupled by UART and high-speed light be connected；The output end of microprocessor is driven with the first stepper motor respectively
Dynamic model block and the connection of the input of the second stepper motor drive module；The first stepper motor drive module and the second stepping electricity
Machine drive module includes full-bridge circuit and A3986 chips, respectively the first stepper motor of external Weft selector and the second stepping
Motor, two driving stepper motor modules drive two stepper motors, can realize two stepping motor synchronous or asynchronous fortune simultaneously
OK；
The high-speed light coupling control module receives the defeated of rapier loom master control system from four road High-Speed Coupled Devices
Go out signal, receive pulse of the low and high level output signal of rapier loom master control system output needed for driving stepper motor module
And direction signal, stepper motor steering and the progress of speed are accordingly controlled by the signal；In full-bridge circuit and A3986 cores
The place that the LSS1 pins of piece are connected connects the sampling resistor no more than 0.05 ohm, and sampling resistor is connected with earth terminal.
Compared with prior art, the beneficial effects of the utility model are：
1) there is two-way driving stepper motor module can drive two independent stepper motors.The utility model passes through
Driving of the A3986 chips realization to stepper motor, every speed for using two full-bridges to realize stepping motor all the way and direction
Control, further realize to selecting the speed of latitude disk and the control in direction, in addition, drawing in the LSS1 of full-bridge circuit and A3986 chips
The place that pin is connected add one close to 0 ohm of resistance realize with the connection of earth terminal, realize the resistance to external interference signal,
Further improve the running precision and stability of stepper motor；
3) modularized design is used.The utility model carries out module by modularized design to each module in controller
Change design, reduce design and maintenance difficulties, reserve many inputs, output port, facilitate system to extend.Each module is carried out can
Plug design, is attached by bus, when some module is damaged, is not interfered with the normal operation of other modules,
The operation of the part of impaired module control is simply influenceed, can be by directly changing the method recovery system of module, finally
System normal operation.This design is more readily maintained system；
4) protective effect to circuit is realized using two peace silicon electric capacity, the circuit protection module circuit is simple, not only may be used
To avoid the occurrence of puncture short phenomenon, the pressure-resistant performance of electric capacity is also significant to protection personal safety；Power convert mould
Block and circuit protection module two parts can ensure the operation stability and security of whole control panel, reduce cost.
5) four road TLP290-4 High-Speed Coupled Devices are used, with common two-way photo-coupler than it can interference source and easily
The part being disturbed more effectively keeps apart, and keeps signal contact, improves the running accuracy of stepper motor, further improves production
The quality of product；
6) cost is low.Because the control system of current battery pole piece rolling equipment is mostly using PLC as control core, its
Cost is higher.The utility model application embedded technology designs controller, before ensureing system stable operation and normally producing
Put, with reach reduce cost, simplify equipment purpose, and using extensible modules design, without re-apply one or
Several control base board modules, be advantageous to loom and select the further genralrlization of latitude control device commercially.
Brief description of the drawings
Fig. 1 is the structured flowchart for the embedded woof-selecting controller that the utility model is used for rapier loom；
Fig. 2 is the circuit group of the circuit protection module 11 for the embedded woof-selecting controller that the utility model is used for rapier loom
Cheng Tu；
In figure, 1.24V dc sources, 2. power transfer modules, 3.RAM stm8s003F microprocessors, 4. the oneth A3986
Driving stepper motor module, 5. first stepper motors, 6. high-speed lights coupling control module, 7. rapier loom master control systems it is defeated
Go out signal, 8. the 2nd A3986 driving stepper motors modules, 9. second stepper motors, 10.SWIM interfaces, 11. circuit protection moulds
Block.
Embodiment
The utility model is explained further with reference to embodiment and accompanying drawing, but is not wanted in this, as to the application right
Ask the restriction of protection domain.
The embedded woof-selecting controller (abbreviation controller, referring to Fig. 1) that the utility model is used for rapier loom includes micro- place
Manage device 3, power transfer module 2, the first stepper motor drive module 4, the second stepper motor drive module 8, high-speed light coupling control
Molding block 6 and circuit protection module 11, the microprocessor 3, power transfer module 2, the first stepper motor drive module 4,
Two stepping motor drive module 8, high-speed light coupling control module 6 and circuit protection module 11 are integrated on one piece of circuit board；
The microprocessor is provided with SWIM interfaces 10, the control program for downloading controller；The power transfer module 2 and outside
24V dc sources 1 are connected, and outside 24V dc sources are switched to 3.3V dc source, are powered for whole controller；It is described micro-
The input of processor 3 couples control module 6 with high-speed light by UART and is connected；The output end of microprocessor respectively with the first step
Stepper motor drive module 4 connects with the input of the second stepper motor drive module 8；The first stepper motor drive module and
Second stepper motor drive module includes the first stepper motor 5 of full-bridge circuit and A3986 chips, respectively external Weft selector
With the second stepper motor 9, two driving stepper motor modules drive two stepper motors, can realize that two stepper motors are same simultaneously
Step or asynchronous operation；
The high-speed light coupling control module receives the defeated of rapier loom master control system from four road High-Speed Coupled Devices
Go out signal 7, receive arteries and veins of the low and high level output signal of rapier loom master control system output needed for driving stepper motor module
Punching and direction signal, stepper motor steering and the progress of speed are accordingly controlled by the signal；To ensure two stepping electricity
The output current of machine drive module is no more than 4A (electric current is maximum under original state, is 4A), in full-bridge circuit and A3986 chips
The place that LSS1 pins are connected connects the connection of the sampling resistor and earth terminal no more than 0.05 ohm, realizes to stepper motor
Protective effect, in order to avoid burn stepper motor.
Microprocessor described in the utility model is stm8s003F chips or stm32F chips, can meet to select latitude to work
Financial cost is reduced on the basis of it is required that；The model TLP290-4 of four road High-Speed Coupled Device, signaling rate
It is stronger with antijamming capability, realize and be efficiently received signal at a high speed.
The circuit of the circuit protection module 11 forms：Circuit protection module include two the earth ports (P5, P6) and
Two peace silicon electric capacity (C24, C25)；Two the earth ports are in parallel, and then connect (Edge1 and PGND in Fig. 2 with peace silicon electric capacity C25
For two the earth ports, two connection contacts in parallel), the peace silicon electric capacity C25 other end is connected with earth terminal GND；Pacify silicon electric capacity
C24 one end is connected with external 24V power supply signals VMM, the other end and earth terminal GND；The peace silicon electric capacity C24 and peace silicon electric capacity
C25 is preferably 100pF.
The operation principle and process of the utility model controller be：The utility model controller is by microprocessor and high-speed light
Control module connection is coupled, to receive the output signal of rapier loom master control system, enables the controller to safely and effectively connect
Receive external signal；Meanwhile microprocessor is connected with the first stepper motor drive module, the second stepper motor drive module respectively,
Being effectively accurately controlled to corresponding stepper motor is realized, in addition, the input of microprocessor is connected with SWIM interfaces to realize
To the program burn writing of controller；Possess power transfer module in the utility model on controller, external 24V direct currents can be changed latitude
3.3V dc source ensures the stable operation of controller.
The workflow of controller is：The utility model controller is used primarily on the Weft selector of rapier loom, control
Weft selector is completed to select latitude to work.Selecting for rapier loom has eight to select latitude to refer on latitude disk, each select latitude to penetrate different colours in referring to
Weft yarn, two stepper motors, institute can be controlled simultaneously by a step motor control, the controller of the application by each selecting latitude to refer to
To need the controller of four the application of installation to drive eight stepper motors in a Weft selector.In Weft selector work
The a certain moment can only have a stepper motor to send action, and the actuation time of each stepper motor is different, specific stepper motor
Program is different, and the utility model controller can drive two of which stepper motor to act simultaneously, while two steppings driven
Motor is asynchronous operation, and the steering of stepper motor and the speed of service need to be set in a program.Specifically used method is：
1) 24V direct current power source voltages are converted into 3.3V DC voltages by power-on, power transfer module, are supplied for controller
Electricity, ensure controller normal operation；
2) after upper thread layer and the operation of lower thread layer form shed open in place, rapier loom master control system face needed for
Color control corresponds to controller, corresponds to the output signal that the high-speed light coupling module on controller receives rapier loom master control system
(pulse and direction signal needed for driving stepper motor module), and the output signal is passed into microprocessor；
3) signal of reception is integrated to obtain by microprocessor integrates pulse；
4) the integration pulse obtained through step 3) signal integration is through corresponding driving stepper motor module (the first stepper motor
The stepper motor drive module 8 of drive module 4 and second) corresponding stepper motor (the first stepper motor 5 and the are transferred to after amplification
Two stepping motor 9), stepper motor drive select latitude refer to motion complete once select latitude to work, each time select latitude work only driving one
Individual stepper motor, remaining stepper motor wait the appointment for selecting latitude to work next time, and whole process safely and effectively improves stepping
The running precision of motor.
The utility model controller has the ability of stronger electromagnetism interference, to the control accuracy of stepper motor also very
It is high.
The utility model does not address part and is applied to prior art.
Claims (4)
1. a kind of embedded woof-selecting controller for rapier loom, it is characterised in that the controller includes microprocessor, power supply
Modular converter, the first stepper motor drive module, the second stepper motor drive module, high-speed light coupling control module and circuit are protected
Protect module, the microprocessor, power transfer module, the first stepper motor drive module, the second stepper motor drive module, height
Fast optical coupling control module and circuit protection module are integrated on one piece of circuit board；The microprocessor is provided with SWIM interfaces；
The power transfer module is connected with outside 24V dc sources, and outside 24V dc sources are switched to 3.3V dc source, are
Whole controller power supply；The input of the microprocessor couples control module with high-speed light by UART and is connected；Microprocessor
Input of the output end respectively with the first stepper motor drive module and the second stepper motor drive module be connected；Described first
Driving stepper motor module and the second stepper motor drive module include full-bridge circuit and A3986 chips, respectively outer selecting latitude
The first stepper motor and the second stepper motor of device, two driving stepper motor modules drive two stepper motors simultaneously；
The high-speed light coupling control module receives the output letter of rapier loom master control system from four road High-Speed Coupled Devices
Number；The sampling resistor no more than 0.05 ohm, sampling are connect with the place that the LSS1 pins of A3986 chips are connected in full-bridge circuit
Resistance is connected with earth terminal.
2. the embedded woof-selecting controller according to claim 1 for rapier loom, it is characterised in that described micro- place
It is stm8s003F chips or stm32F chips to manage device；The model TLP290-4 of four road High-Speed Coupled Device.
3. the embedded woof-selecting controller according to claim 1 for rapier loom, it is characterised in that the circuit is protected
The circuit of shield module forms：Circuit protection module include two the earth ports (P5, P6) and two pacify silicon electric capacity (C24,
C25)；Two the earth ports are in parallel, then connected with peace silicon electric capacity C25, and peace silicon electric capacity the C25 other end and earth terminal GND connect
Connect；Peace silicon electric capacity C24 one end is connected with external 24V power supply signals VMM, the other end and earth terminal GND.
4. the embedded woof-selecting controller according to claim 3 for rapier loom, it is characterised in that the peace silicon electricity
It is 100pF to hold C24 and peace silicon electric capacity C25.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720559385.4U CN206706304U (en) | 2017-05-19 | 2017-05-19 | A kind of embedded woof-selecting controller for rapier loom |
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| CN201720559385.4U CN206706304U (en) | 2017-05-19 | 2017-05-19 | A kind of embedded woof-selecting controller for rapier loom |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012571A (en) * | 2017-05-19 | 2017-08-04 | 河北工业大学 | A kind of embedded woof-selecting controller for rapier loom |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012571A (en) * | 2017-05-19 | 2017-08-04 | 河北工业大学 | A kind of embedded woof-selecting controller for rapier loom |
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