CN207249408U - A kind of loom control system - Google Patents
A kind of loom control system Download PDFInfo
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- CN207249408U CN207249408U CN201720534661.1U CN201720534661U CN207249408U CN 207249408 U CN207249408 U CN 207249408U CN 201720534661 U CN201720534661 U CN 201720534661U CN 207249408 U CN207249408 U CN 207249408U
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Abstract
The utility model discloses a kind of loom control system, including main control unit and wefting insertion control unit positioned at loom master control borad；The main control unit includes main control chip and the serial communication module being connected respectively with main control chip, code device signal acquisition module, the first Parallel communication module, input scan module, data memory module, state machine module, control signal output module；The wefting insertion control unit includes auxiliary control chip and the code device signal detection module, high-low pressure signal generator module, the second Parallel communication module that are connected respectively with auxiliary control chip；Wherein, the first Parallel communication module is connected with the second Parallel communication module, so that being communicated to connect between the main control unit and wefting insertion control unit.It follows that controlling high-low pressure drive signal by high-low pressure signal generator module, without additional hardware circuit, from the influence of temperature and resistance capacitance precision, the reliability, stability and the uniformity of control of wefting insertion ensure that.
Description
Technical field
Loom control technology is the utility model is related to, is to be related to a kind of loom control system more specifically.
Background technology
At present, as loom constantly improves progress, market is also more next high for loom control system requirement, and use is advanced
Electronic technology, utilize the automatic monitoring and control of movement and product quality of the various monitoring sensors installed on loom to loom
System so that the production efficiency of loom greatly improves, and product quality is protected, and varietal adaptation greatly increases.This just needs electricity
Strong antijamming capability, the stability of gas control system are good, easy to maintenance, failure rate is low.Most domestic control system employ with
PLC (Programmable Logic Controller, programmable logic controller (PLC)) and low side ARM is the control system of core,
Each function subdivision independent control, since control point is too many, magnitude control is big, and wiring is cumbersome, and application environment is very severe, makes
High, the maintenance difficult into system failure rate.
In existing control system, to ensure that loom wefting insertion solenoid valve can be opened securely and reliably, generally 48V voltages are used
Solenoid valve is opened, and it is accurate 8ms that signal duration is required in existing control system, and traditional method is using monostable
State circuit produces the signal of 8ms, but monostable circuit is easily influenced be subject to resistance capacitance precision and temperature, causes timing essence
Degree is not high.
The solenoid valve on general up to tens tunnels, thus needs tens monostables in the circuit of loom wefting insertion solenoid valve
Circuit could meet the needs in existing control system, and it is not only existed by the control circuit that this tens monostable circuits form
It is complicated in connection structure, and since single monostable circuit is easily influenced to cause timing essence in itself by resistance capacitance precision and temperature
Degree is not high, this also directly results in the control circuit less reliable of tens monostable circuits composition, and price is also very
It is expensive.
Utility model content
The technical problem to be solved by the utility model is to loom wefting insertion solenoid valve in the prior art to use tens lists
Caused by steady-state circuit control the problem of poor reliability.
For this reason, the utility model proposes a kind of loom control system, using the resource of ARM chips and fpga chip and
Characteristic so that high-low pressure drive signal is realized in fpga chip completely, it is not necessary to any additional hardware circuit, from temperature
With the influence of resistance capacitance precision, the reliability, stability and the uniformity of control of wefting insertion ensure that, while also simplify circuit,
Reduce hardware fault, reduce cost.
Technical solution is used by the utility model solves its technical problem：
A kind of loom control system, including main control unit and wefting insertion control unit positioned at loom master control borad are provided；
The main control unit includes main control chip and the serial communication module being connected respectively with the main control chip, coding
Device signal acquisition module, the first Parallel communication module, input scan module, data memory module, state machine module, control signal
Output module；
The wefting insertion control unit includes auxiliary control chip and the code device signal being connected respectively with auxiliary control chip inspection
Survey module, high-low pressure signal generator module, the second Parallel communication module；
Wherein, first Parallel communication module is connected with second Parallel communication module, so that the master control list
Communicated to connect between first and described wefting insertion control unit.
Further, the control system further includes multipath electrovalve, and the multipath electrovalve is connected to the wefting insertion control
The high-low pressure signal generator module of unit processed.
Further, the control system further includes Human machine interface unit, and the Human machine interface unit is connected to
The serial communication module of the main control unit.
Further, the control system further includes encoder, and the encoder is connected to the described of the main control unit
The encoded signal detection module of encoded signal acquisition module and the wefting insertion control unit.
Further, the main control chip of the main control unit uses ARM chips, the auxiliary control chip of the wefting insertion control unit
Using field programmable gate array fpga chip.
Further, the serial communication module uses the usart that the ARM chips peripheral hardware carries
USART modules, the code device signal acquisition module use the TIM coder modules that carry of the ARM chips peripheral hardware, and described the
One Parallel communication module uses the variable static storage controller FSMC modules that the ARM chips peripheral hardware carries.
Further, connected between the ARM chips and the data memory module by IC bus IIC.
Further, the ARM chips are connected with the fpga chip by the FSMC parallel bus.
Further, connected between the ARM chips and the HMI units by RS485 serial ports.
Further, the main control chip controls the control signal output module output letter by the state machine module
Number.
Implement loom control system provided by the utility model, following beneficial effect can be reached：
In the utility model, pass through the main control unit positioned at loom master control borad and wefting insertion control unit；The main control unit
It is the serial communication module that is connected including main control chip and respectively with main control chip, code device signal acquisition module, first parallel
Communication module, input scan module, data memory module, state machine module, control signal output module；The wefting insertion control unit
The code device signal detection module that is connected including auxiliary control chip and respectively with auxiliary control chip, high-low pressure signal generator module,
Two Parallel communication modules；Wherein, which is connected with second Parallel communication module, so that the master control list
Communicated to connect between member and wefting insertion control unit.It follows that high-low pressure driving letter is controlled by high-low pressure signal generator module
Number, without additional hardware circuit, from the influence of temperature and resistance capacitance precision, ensure that wefting insertion reliability,
Stability and the uniformity of control, while also simplify circuit, reduce hardware fault, reduce cost.
Brief description of the drawings
Fig. 1 is loom control system one embodiment schematic diagram in the utility model；
Fig. 2 is main control unit one embodiment schematic diagram in loom control system in the utility model；
Fig. 3 is wefting insertion control unit one embodiment schematic diagram in loom control system in the utility model；
Fig. 4 is another embodiment schematic diagram of loom control system in the utility model；
Fig. 5 is another embodiment schematic diagram of wefting insertion control unit in loom control system in the utility model.
Embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, it is detailed now to compare attached drawing
Illustrate specific embodiment of the present utility model.Obviously, the described embodiments are only a part of the embodiments of the utility model,
Instead of all the embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creation
Property work under the premise of all other embodiments obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, Fig. 1 is loom control system one embodiment in the utility model, and in this embodiment, the loom
Control system can include main control unit 20 and wefting insertion control unit 30 on loom master control borad 10.Wherein, such as Fig. 2 institutes
Showing, main control unit 20 can include one or more main control chips 201, be illustrated here by taking a main control chip 201 as an example,
But the restriction to the utility model should not be formed, and the serial communication module 202 with the connection of main control chip 201, volume respectively
Code device signal acquisition module 203, the first Parallel communication module 204, input scan module 205, data memory module 206, state
Machine module 207, control signal output module 208；As shown in figure 3, wefting insertion control unit 30 can include one or more auxiliary controls
Chip 301, this is illustrated exemplified by sentencing an auxiliary control chip 301, but should not also form the restriction to the utility model, with
And code device signal detection module 302, the high-low pressure signal generator module 303, second connected respectively with auxiliary control chip 301 is parallel
Communication module 304.
It should be noted that the main control unit 20 and wefting insertion control unit 30 can be mounted on loom master control borad 10
, and first Parallel communication module 204 can be with the second Parallel communication module in wefting insertion control unit 30 in main control unit 20
304 connections, are communicated to connect between main control unit 20 and wefting insertion control unit 30 with realizing, realize data transfer.
It should be noted that in the utility model, above-mentioned serial communication module 202, code device signal acquisition module 203,
First Parallel communication module 204, input scan module 205, data memory module 206, state machine module 207 and control signal
Output module 208 can be integrated in as function module in main control chip 201 or as entity module and master control core
Piece 201 is attached；Above-mentioned code device signal detection module 302, high-low pressure signal generator module 303, the second parallel communications mould
Block 304 can be integrated in as function module in auxiliary control chip 301 or as entity module and auxiliary control chip 301
It is attached, does not limit herein specifically.
In the utility model, the main control chip 201 in the main control unit 20 can use ARM (Advanced RISC
Machines, Advanced Reduced Instruction Set processor) chip, the auxiliary control chip 301 in the wefting insertion control unit 30 can use
FPGA (Field Programmable Gate Array, field programmable gate array) chip.
When main control chip 201 is using ARM chips, it can be used using the STM32F205 of ST semiconductors as core
ARM chips.Also, above-mentioned data memory module 206 can be used for storing data using Atmel AT24C128C, and should
The Atmel AT24C128C and STM32F205 can be that (Inter-Integrated Circuit, integrated circuit are total by IIC
Line) connection.The serial communication module 202 can be the USART (Universal carried using ARM chip peripheral hardwares
Synchronous/Asynchronous Receiver/Transmitter, usart) module, the coding
Device signal acquisition module 203 can be the TIM general purpose timer coder modules carried using ARM chip peripheral hardwares, this is first simultaneously
Row communication module 204 can also be FSMC (the Flexible Static Memory carried using ARM chip peripheral hardwares
Controller, variable static storage controller) module.The module that above-mentioned ARM chips peripheral hardware carries can be total to ARM chips
It is same to be welded on the entity module on same circuit board or the entity on loom control plate is together installed on ARM chips
Module, does not limit specifically herein.
As shown in figure 4, in the utility model, ARM chips (i.e. main control chip 201) and fpga chip (i.e. auxiliary control chip
301) communication connection between can be by being connected between the first Parallel communication module 204 and the second Parallel communication module 304
FSMC parallel bus connect and carry out data interaction.Also, ARM chips can also be with HMI (Human Machine
Interface, man-machine interface) communication of unit 40 realize outside data communication, which can pass through serial communication module
202 are connected with HMI units 40, and ARM chips can be connected by RS485 serial ports with HMI units 40.
Wherein, in loom control system, the function of ARM chips can include：ARM chips are used with HMI units 40
The serial connection of RS485 serial ports carries out data communication, it is possible to achieve system control parameters, wefting insertion parameter, style parameter setting, class's production
The transmission of data, control instruction；At the A/B/Z signals collected by code device signal acquisition module 203 to encoder
Reason, it is possible to achieve the processing of loom angular position information；Data interaction with fpga chip can be passed by FSMC parallel bus
Pass wefting insertion parameter；The input signal that loom peripheral hardware can be handled with real time scan and is inputted by inputting scan module 205.
And in the master control function of ARM chips, it is possible to achieve the data processing of the loom control system, control function, bag
Include but be not limited to：Angle processing, automatic weft replenishment, frequency conversion surpass startup, urge money processing, oil pump lubrication, weft yarn sampling, cropping processing,
The sampling of spy latitude, class's production data, keystroke handling, loom spy latitude, detection of power loss, fault detect, pattern select color, filling density to switch, automatically
Take out latitude etc..
Also, in the loom control system, aforementioned data memory module 206 can be stored in the loom control system and write from memory
Recognize parameter, style parameter, wefting insertion parameter, systematic parameter, wefting insertion instruction and other specification, and be based on using Atmel
The AT24C128C data storage function modules 206 can also realize the power down storage of data in loom control system；Aforesaid state
Machine module 207 can use QP (Quantum Platform, quantum platform) state machine framework, it is possible to achieve loom control system
The control of middle operating flow；Aforementioned control signals output module 208 can correspondingly be controlled by the control of the QP state machine frameworks
Export signal.
It should be noted that the input scan module 205 in above-mentioned main control unit can be I/O (Input/Output, it is defeated
Enter/export) input module, control signal output module 208 can be I/O output modules.Utilize the I/O input modules, ARM cores
Piece can receive the input signal of loom peripheral hardware input, including：Emergency stop, parking, express, on schedule, antipoints button signal, disconnected warp
Detect signal, twist frontier inspection survey signal, slitter edge detection signal, motor protection against overheat signal, brake overheating protection signal, infrared light
Curtain signal, oil pressure detection signal, close to switching signal, travel switch signal, oil level abnormal signal, tension force abnormal signal, select color
Signal, filling density signal, stop prizing signal, empty latitude signal, servo feedback signal, frequency converter failure signal, jacquard weave limitation signal, multi-arm
Limit signal, digital weft detecting feedback signal, the complete signal of weft accumulator latitude, electronic scissors feedback signal, power-off signal, battery low-voltage
Signal etc..
Using the I/O output modules, ARM chips can include to the output signal that loom peripheral hardware exports：SERVO CONTROL is believed
Number, volume four colors instruction modulating signal, brake high-low pressure control signal, main motor control signal, visit latitude enable signal, electronic scissors
Enable signal, contactor control signal, electronic dobby control signal, electronic jacquard control signal, electric twisted edge control signal, electricity
The flat comprehensive control signal of son, oil pump control signal, frequency conversion, which surpass, starts control signal, perching lamp control signal etc..
It is understood that above-mentioned loom peripheral hardware can include：Electric twisted edge, electronic dobby, contactor, brake, refer to
Show that lamp, expansion peripheral hardware, servomotor, digital weft detecting, electronic scissors, electronics put down comprehensive, electronic jacquard, oil pump etc..
It follows that the master control function of ARM chips mainly can be achieved on systematic parameter processing, parameter transmission, parameter are deposited
Storage, multi-functional processing, the processing of I/O input signals, I/O output signal controls and state event control, wherein, master control function
QP state machine frameworks mainly realize the technology controlling and process of loom.
Wherein, in loom control system, the function of fpga chip can include：Second can be used in fpga chip
Parallel communication module 304 is connected with the first Parallel communication module 204 in ARM chips by FSMC parallel bus, and the FSMC is simultaneously
Row bus can include data/address bus, address bus, RD (reading) buses and WE (write-in) bus.
Also, can be with integrated encoder signal detection module 302 in fpga chip, the code device signal detection module
302 can be connected with encoder in loom and receive the A/B/Z signals of encoder upload, it is necessary to explanation, the encoder
The encoder that can be connected with ARM chips is same encoder, is not limited herein specifically.
As shown in figure 5, by FSMC parallel bus, fpga chip can receive the data of ARM chips processing completion simultaneously
Coordinate the input of ARM chips selects chrominance signal, and corresponding height is generated in fpga chip control high-low pressure signal generator module 303
Before pressing signal control multipath electrovalve 50, which can handle to obtain corresponding angle parameter, and export corresponding
Angle parameter each signal generator module into fpga chip, wherein, which can be combined by fpga chip
Software code realization or the external function module being connected with the fpga chip.
Such as：Fpga chip receives the first wefting insertion angle that the processing of ARM chips completes, selects 1 wefting insertion angle of color to selecting color 8
Processing can be obtained angle parameter and exported to the by wefting insertion angle etc., and coordinate what ARM chips inputted to select chrominance signal, fpga chip
One latitude signal generator module, select 1 signal generator module of color to selecting 8 signal generator module of color.
It is understood that above-mentioned each signal generator module can by the signal transmission of generation into fpga chip pattern
Multi-path choice module, which can be by fpga chip combination software code realization, or can be and this
The external function module of fpga chip connection.The pattern selecting module fpga chip can support 8 colors select chrominance signal and
The processing of different wefting insertion angles.Also, handle A/B/Z signals based on code device signal detection module 302 in fpga chip to obtain
Loom angle, fpga chip can currently select corresponding angle parameter under color pattern with real-time update.
Afterwards, by comparing loom pattern and wefting insertion solenoid valve block syntype, fpga chip can control the fpga chip
Middle state multi-path choice module produces corresponding solenoid valve either on or off signal, wherein it is desired to explanation, state multichannel choosing
Selecting module can be by fpga chip combination software code realization, or can also be the external function mould being connected with the fpga chip
Block, the loom pattern can be sent into fpga chip by ARM chips, and the wefting insertion solenoid valve block syntype can be interior in advance
Put in fpga chip, do not limit herein specifically.
Finally, as shown in figure 5, by high-low pressure signal generator module 303, the duty cycle for the solenoid valve that needs are opened is compared
And high-voltage time, corresponding plurality of electromagnetic valve signal is exported to multipath electrovalve 50, wherein, the high-low pressure signal generator module
303 can receive the solenoid valve pre- excitatory time of ARM chips transmission, control the either on or off of multipath electrovalve.The high-low pressure is believed
Number generation module 303, which can generate high pressure, to be opened monostable signal control solenoid valve and opens, and generation low pressure keeps PWM (Pulse
Width Modulation, pulse width modulation) signal control solenoid valve closing.Furthermore, it is desirable to explanation, high-low pressure letter
Number output module 303 can export the solenoid valve control of up to 48 road PWM adjustable duty cycles, adjustable frequency, adjustable high-voltage time
Signal processed, i.e. multipath electrovalve 50 can be up to 48 way solenoid valves；It disclosure satisfy that loom in the situation that speed is 1800r/min
Lower open angle, closing angle, high-voltage time are precisely controlled.
The high pressure of the high-low pressure signal generator module 303 generation opens monostable signal and low pressure holding pwm signal is
High-low pressure drive signal, passes through realization of the high-low pressure drive signal completely in fpga chip, it is not necessary to any additional hardware
Circuit, from the influence of temperature and resistance capacitance precision, ensure that the reliability, stability and the uniformity of control of wefting insertion, together
When also simplify circuit, reduce hardware fault, reduce cost.
It should be noted that fpga chip can also receive ARM chips transmission slow wefting insertion instruction, draw a latitude instruction with
And valve test instructions, and export to corresponding slow wefting insertion signal generator module in the fpga chip, draw a latitude signal generator module
And solenoid valve test signal generator, thus state of a control multi-path choice module produce corresponding solenoid valve either on or off letter
Number.The state multi-path choice module can support normal operating condition, slow wefting insertion state, draw a latitude state, test mode.
It should be noted that the pre- excitatory time coordination of gear yarn pin that fpga chip can also receive the transmission of ARM chips selects color
Signal controls the gear yarn pin of loom weft accumulator.
It should be noted that in the present embodiment, in loom control system, Human machine interface unit 40 can also be with
Warp let-off servo, upper warp let-off servo, batch and roll up servo, host frequency converter, digital weft detecting plate, electronic dobby plate, electronics outside servo, machine
Shears plate, weft accumulator etc. are connected by RS485 serial communications and carry out data interaction.
Implement loom control system provided by the utility model, have the advantages that：By positioned at loom master control borad
10 main control unit 20 and wefting insertion control unit 30, the main control unit 20 include main control chip 201 and respectively with master control core
The serial communication module 202 of the connection of piece 201, code device signal acquisition module 203, the first Parallel communication module 204, input scanning
Module 205, data memory module 206, state machine module 207, control signal output module 208；The wefting insertion control unit 30 is wrapped
Include auxiliary control chip 301 and be connected code device signal detection module 302, high-low pressure signal generation mould with auxiliary control chip 301 respectively
Block 303, the second Parallel communication module 304；Wherein, which connects with the second Parallel communication module 304
Connect, so that being communicated to connect between the main control unit 20 and wefting insertion control unit 30.It follows that pass through wefting insertion control unit 30
Middle high-low pressure signal generator module 303, can cause high-low pressure drive signal to be realized completely in wefting insertion control unit 30, be not required to
The hardware circuit to be added, from the influence of temperature and resistance capacitance precision, ensure that the reliability, stability and control of wefting insertion
Uniformity, while also simplify circuit, reduce hardware fault, reduce cost.
Also, the utility model is in view of the deficiencies of the prior art, and the needs of following loom control system development, there is provided
Have it is simple in structure, full-featured, intelligent, at a high speed, the loom control system scheme stablized of efficient, energy saving, system.
The embodiment of the utility model is described above in conjunction with attached drawing, but the utility model is not limited to
The embodiment stated, above-mentioned embodiment is only schematical, rather than restricted, this area it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under the enlightenment of the utility model
Under, many forms can be also made, these are belonged within the protection of the utility model.
Claims (9)
1. a kind of loom control system, it is characterised in that single including the main control unit positioned at loom master control borad and wefting insertion control
Member；
The main control unit includes main control chip and the serial communication module being connected respectively with the main control chip, encoder letter
Number acquisition module, the first Parallel communication module, input scan module, data memory module, state machine module, control signal output
Module；
The wefting insertion control unit includes auxiliary control chip and the code device signal being connected respectively with auxiliary control chip detection mould
Block, high-low pressure signal generator module, the second Parallel communication module；
Wherein, first Parallel communication module is connected with second Parallel communication module so that the main control unit and
Communicated to connect between the wefting insertion control unit.
2. loom control system according to claim 1, it is characterised in that the control system further includes multi-channel electromagnetic
Valve, the multipath electrovalve are connected to the high-low pressure signal generator module of the wefting insertion control unit.
3. loom control system according to claim 1, it is characterised in that the control system further includes man-machine interface
HMI units, the Human machine interface unit are connected to the serial communication module of the main control unit.
4. loom control system according to claim 1, it is characterised in that the control system further includes encoder, institute
State encoder and be connected to the encoded signal acquisition module of the main control unit and the volume of the wefting insertion control unit
Code signal detection module.
5. loom control system according to any one of claim 1 to 4, it is characterised in that the master of the main control unit
Control chip uses Advanced Reduced Instruction Set processor ARM chips, and the auxiliary control chip of the wefting insertion control unit can be compiled using scene
Journey logic gate array fpga chip.
6. loom control system according to claim 5, it is characterised in that the serial communication module uses the ARM
The usart USART modules that chip peripheral hardware carries, the code device signal acquisition module use the ARM cores
The TIM general purpose timer coder modules that piece peripheral hardware carries, first Parallel communication module use the ARM chips peripheral hardware certainly
The variable static storage controller FSMC modules of band.
7. loom control system according to claim 5, it is characterised in that the ARM chips and data storage mould
Connected between block by IC bus IIC.
8. loom control system according to claim 6, it is characterised in that the ARM chips lead to the fpga chip
Cross the FSMC parallel bus connection.
9. loom control system according to claim 1, it is characterised in that the main control chip passes through the state machine mould
Block controls the control signal output module output signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720534661.1U CN207249408U (en) | 2017-05-12 | 2017-05-12 | A kind of loom control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720534661.1U CN207249408U (en) | 2017-05-12 | 2017-05-12 | A kind of loom control system |
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| CN207249408U true CN207249408U (en) | 2018-04-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505197A (en) * | 2018-06-11 | 2018-09-07 | 河北工业大学 | Embedded weaving loom control system based on STM32 |
| CN111240252A (en) * | 2020-03-25 | 2020-06-05 | 武汉迈信电气技术有限公司 | Multi-encoder data interaction system and method based on FPGA |
-
2017
- 2017-05-12 CN CN201720534661.1U patent/CN207249408U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505197A (en) * | 2018-06-11 | 2018-09-07 | 河北工业大学 | Embedded weaving loom control system based on STM32 |
| CN111240252A (en) * | 2020-03-25 | 2020-06-05 | 武汉迈信电气技术有限公司 | Multi-encoder data interaction system and method based on FPGA |
| CN111240252B (en) * | 2020-03-25 | 2021-04-20 | 武汉迈信电气技术有限公司 | Multi-encoder data interaction system and method based on FPGA |
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Effective date of registration: 20230509 Address after: 215000 floors 4-7, block a, No. 99, Youxiang Road, Taihu street, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: Suzhou Huichuan Control Technology Co.,Ltd. Address before: Room 503, 5th Floor, No. 1418-38 Moganshan Road, Hangzhou City, Zhejiang Province, 310011 (Shangcheng Science and Technology Industrial Base) Patentee before: HANGZHOU HUIKUN CONTROL TECHNOLOGY Co.,Ltd. |
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