CN204536863U - A kind of sliver knitting machine jacquard control system - Google Patents
A kind of sliver knitting machine jacquard control system Download PDFInfo
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- CN204536863U CN204536863U CN201520188132.1U CN201520188132U CN204536863U CN 204536863 U CN204536863 U CN 204536863U CN 201520188132 U CN201520188132 U CN 201520188132U CN 204536863 U CN204536863 U CN 204536863U
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- 238000009940 knitting Methods 0.000 title claims abstract description 26
- 230000003993 interaction Effects 0.000 claims abstract description 20
- 238000003860 storage Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000012827 research and development Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 9
- 238000004891 communication Methods 0.000 description 7
- 210000004209 hair Anatomy 0.000 description 6
- 210000002268 wool Anatomy 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000009954 braiding Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 230000014616 translation Effects 0.000 description 1
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Abstract
The utility model discloses a kind of sliver knitting machine jacquard control system, comprise man-machine interaction unit, real-time controlling unit and mechanism's performance element; Wherein said man-machine interaction unit is connected by parallel bus with real-time controlling unit; Described real-time controlling unit is connected with mechanism performance element, and described mechanism's performance element comprises stepper motor, slide cam selector, air valve and sensor signal detector; Wherein said stepper motor and slide cam selector adopt CAN to be connected with real-time controlling unit respectively; Described air valve and sensor signal detector adopt RS485 bus to be connected with real-time controlling unit respectively.System of the present utility model can shorten the research and development of products cycle, improves the fur quality of production, and the reliability that the system that ensures is produced.
Description
Technical field
The utility model relates to a kind of sliver knitting machine jacquard control system, belongs to Knitting Machinery fields of numeric control technique.
Background technology
Sliver knitting machine is mainly used in the aspects such as toy, clothes, decoration, and it controls primarily of Computer Pattern Preparation System For Computer and real-time control system two parts composition.
But the poor-performing of common sliver knitting machine control system, flower pattern storage space is little, changes flower pattern speed slow, and braiding speed is lower, and the research and development of products cycle is long, and fur knitting quality can not be met the need of market.
Utility model content
Slow in order to overcome existing sliver knitting machine control system replacing flower pattern speed, the research and development of products cycle is long, braiding speed is lower, cause the second-rate of fur knitting, the utility model provides a kind of flower pattern reading speed fast, the research and development of products cycle can be shortened, and improve the fur quality of production, and a kind of sliver knitting machine jacquard control system of reliability that the system that ensures is produced.
For achieving the above object, the technical solution of the utility model is:
A kind of sliver knitting machine jacquard control system, comprises man-machine interaction unit, real-time controlling unit and mechanism's performance element; Wherein said man-machine interaction unit is connected by parallel bus with real-time controlling unit; Described real-time controlling unit is connected with mechanism performance element, and described mechanism's performance element comprises stepper motor, slide cam selector, air valve and sensor signal detector; Wherein said stepper motor and slide cam selector adopt CAN to be connected with real-time controlling unit respectively; Described air valve and sensor signal detector adopt RS485 bus to be connected with real-time controlling unit respectively.
Described man-machine interaction unit comprises ARM Cortex-A8 controller, LCDs, touch-screen, eMMC storage chip, DDR storage, USB interface, Ethernet interface, parallel bus interface and flower pattern resolver; Described ARM Cortex-A8 controller stores with LCDs, touch-screen, eMMC storage chip, DDR respectively by circuit, USB interface, Ethernet interface, parallel bus interface and flower pattern resolver are connected; Described ARM Cortex-A8 controller is connected with real-time controlling unit by parallel bus.
Described real-time controlling unit comprises field programmable gate array controller, ARM controller, Flash flower pattern storer, servo drive control circuit, scrambler and null pick-up; Described field programmable gate array controller is connected with ARM Cortex-A8 controller by parallel bus, described field programmable gate array controller is connected with ARM controller by circuit, and described ARM controller is connected with null pick-up with Flash flower pattern storer, servo drive control circuit, scrambler respectively by circuit; Described ARM controller is connected with mechanism performance element by circuit.
Described mechanism performance element comprises slide cam selector, stepper motor, air valve, sensor signal detector; Wherein said slide cam selector is connected with ARM controller by CAN; Described stepper motor is connected with ARM controller by CAN, and described stepper motor is connected with combing head, and described combing head is provided with broken bar detection device; Described air valve, sensor signal detector are connected with ARM controller respectively by RS485 bus.
Described slide cam selector has 18 tunnels, and is connected with ARM controller by a road CAN; Described stepper motor has 18, is controlled by 5 control circuits, and wherein in front 4 control circuits, each circuit has 4 stepper motors, and the 5th control circuit only has 2 stepper motors, and equal Configuration Control Unit, and be connected with ARM controller by a road CAN.
The beneficial effects of the utility model are: sliver knitting machine jacquard control system of the present utility model adopts Triple distribution framework, include man-machine interaction unit, real-time controlling unit and mechanism's performance element, it achieves and controls braiding at a high speed, accurately, improves the production efficiency of system.Man-machine interaction unit have employed a kind of embedded storage scheme based on eMMC, solve the problem of control system internal storage space deficiency, its reading speed up to 200MB/s greatly improves the real-time of control system, unified standard interface makes production firm can without the need to the brand of the replacement and manufacturer of considering chip, accelerate the exploitation of new product widely, shorten the R&D cycle.Adopt the FPGA of dual port RAM technology can realize reading while write of flower pattern file transfer, improve data transmission efficiency.RS485 is adopted to be connected each actuator with the mode of CAN, the wiring of fur machine is simplified, bus mode and real-time controlling unit is used to carry out communication by various sensor signal set to one piece of circuit board, real-time controlling unit treatment process action message quickly can be made, the combing head in each moment of Coordination Treatment feeds the control data of hair and slide cam selector needle selection, substantially increase the real-time of the utility model sliver knitting machine control system, reliability, knit out the fur product that quality is higher.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the utility model sliver knitting machine jacquard control system.
Embodiment
Embodiment 1
A kind of sliver knitting machine jacquard control system of the present embodiment, as shown in Figure 1, comprise man-machine interaction unit 1, real-time controlling unit 2 and mechanism's performance element 3, wherein said man-machine interaction unit 1 is connected by parallel bus with real-time controlling unit 2, carries out exchanges data; Described real-time controlling unit 2 is connected with mechanism performance element 3, and described mechanism's performance element 3 comprises stepper motor 6, slide cam selector 7, air valve 5 and sensor signal detector 4; Wherein said stepper motor 6 and slide cam selector 7 adopt CAN to be connected with real-time controlling unit 2 respectively, carry out communication, and described air valve 5 and sensor signal detector 4 adopt RS485 bus to be connected with real-time controlling unit 2 respectively, carry out communication.
Described man-machine interaction unit 1 comprises ARM Cortex-A8 controller 20, (the chip model that ARM Cortex-A8 controller uses is AM3354, adopt linux system), LCDs 13, touch-screen 14, eMMC storage chip 15, DDR storage 16, usb 17, Ethernet interface 18, parallel bus interface and flower pattern resolver; Described ARM Cortex-A8 controller 20 stores 16 respectively by circuit and LCDs 13, touch-screen 14, eMMC storage chip 15, DDR, usb 17, Ethernet interface 18, parallel bus interface and flower pattern resolver are connected; Described ARM Cortex-A8 controller 20 is connected with real-time controlling unit 2 by parallel bus.Described man-machine interaction unit 1 is mainly the human-computer interaction interface that operator provides friendly, is also used for showing the status information of sliver knitting machine jacquard control system, the storage of flower pattern file and parsing, the editor of system control parameters, the communication etc. of parallel bus.Described man-machine interaction unit 1 carries out distribute control by the numerous machines in Ethernet interface 18 pairs of workshops.
The method that described real-time controlling unit 2 adopts multi-chip to control, comprise field programmable gate array (FPGA) controller 12, ARM controller 21, (ARM controller use chip model be STM32F205ZET6), Flash flower pattern storer 8, servo drive control circuit 9, for feeding back scrambler 10 and the null pick-up 11 of motor operating state; Described field programmable gate array (FPGA) controller 12 is connected with ARM Cortex-A8 controller 20 by parallel bus, described field programmable gate array (FPGA) controller 12 is connected with ARM controller 21 by circuit, and described ARM controller 21 is connected with null pick-up 11 with Flash flower pattern storer 8, servo drive control circuit 9, scrambler 10 by circuit; Described ARM controller 21 is connected with mechanism performance element 3 by circuit.Utilize the technique information that field programmable gate array (FPGA) controller 12 and ARM controller 21 are got off to process parallel bus transmission, the wherein memory combination of parallel bus interface and field programmable gate array (FPGA) controller 12, to realize the synchronous read-write operation of man-machine interaction unit 1 and real-time controlling unit 2, namely realize dual port RAM technology.
Described mechanism performance element 3 comprises slide cam selector 7, stepper motor 6, air valve 5, sensor signal detector 4; Wherein said slide cam selector 7 has 18 tunnels, and is connected with ARM controller 21 by a road CAN, carries out needle selection action control by real-time controller ARM controller 21; Described stepper motor 6 has 18, controlled by 5 control circuits, wherein in front 4 control circuits, each circuit has 4 stepper motors 6,5th control circuit only has 2 stepper motors 6, and equal Configuration Control Unit, and be connected with ARM controller 21 by a road CAN, carry out stepper motor 6 by real-time controller to control, described each stepper motor 6 and a combing 22 is connected, thus drives combing 22 job, and each combing 22 is equipped with broken bar detection device 19; Described air valve 5, sensor signal detector 4 are connected with ARM controller 21 respectively by RS485 bus.Whether photoelectric detective circuits of leading hair wheel by being arranged on combing 22 continue to send pulses judges whether combing 22 broken bar fault occurs and to feed back to real-time controlling unit 2 in time, ensures the quality of fur combing; Described sensor signal detector 4 includes the malfunctions such as broken yarn, oil-break, dropped stitch and reports to the police.Described sliver knitting machine has 18 tunnel combings 22, before jacquard weave first will according to flower pattern number of colours number by combing head and slide cam selector grouping, often organize combing head identical with the number of colours of woven flower pattern with the quantity of slide cam selector, often in group, combing head is responsible for a kind of transmission of color wool top, and corresponding slide cam selector is then responsible for the control to this color wool top glochild.
A kind of sliver knitting machine height control method of the present embodiment, comprises the steps:
1) the customer demand data be stored in USB flash disk are imported flower pattern file by the usb 17 in man-machine interaction unit 1, and flower pattern file is stored in the eMMC storage chip 15 that capacity is 32G by ARM Cortex-A8 controller 20, then corresponding flower pattern file is read according to demand by ARM Cortex-A8 controller 20, be corresponding braid movement information and needle selection information by flower pattern resolver by flower pattern file translations, described braid movement information comprises mechanical action, stepper motor speed and angle, whether combing head is fed to the technique information of hair; Described needle selection information comprises decision slide cam selector and whether goes out the wool top information that pin hook gets correspondence; These information above-mentioned carry out exchanges data by field programmable gate array controller 12, are stored in the Flash flower pattern storer 8 that on real-time controlling unit 2, ARM controller 21 controls;
2) communicated by CAN, the action message relevant with stepper motor 6 is transferred to stepper motor 6 by the ARM controller 21 realizing control module 2,18 combings 22 are driven to carry out feeding hair action accordingly by 18 stepper motors 6, simultaneously before hair action is fed in execution, first detect by broken bar detection device 22 wool top sending into combing head whether to rupture, can warning be sent to the ARM controller 21 of real-time controlling unit 2 and shut down in time in time, ensure the consistance raising pelage quality that fur is dense;
3) by RS485 bus communication, air valve action message is passed to air valve 5 by the ARM controller 21 of real-time controlling unit 2, performs the action of corresponding air valve 5;
4) by CAN communication, needle selection information is passed to 18 road slide cam selectors of slide cam selector 7 by the ARM controller 21 of real-time controlling unit 2, hooks the wool top sent out after getting combing corresponding to it 22 combings.
5) ARM controller 21 of described real-time controlling unit 2 also executive system condition monitoring.When sensor alarm signal detector 4 detects broken yarn, dropped stitch, during the abnormal signals such as oil-break, delivered to the ARM controller 21 of real-time controlling unit 2 by RS485 bus, ARM controller 21 carries out stopping alarm process.
The sliver knitting machine jacquard control system of the present embodiment adopts Triple distribution framework, includes man-machine interaction unit, real-time controlling unit and mechanism's performance element, and it achieves and controls braiding at a high speed, accurately, improves the production efficiency of system.Man-machine interaction unit have employed a kind of embedded storage scheme based on eMMC, solve the problem of control system internal storage space deficiency, its reading speed up to 200MB/s greatly improves the real-time of control system, unified standard interface makes production firm can without the need to the brand of the replacement and manufacturer of considering chip, accelerate the exploitation of new product widely, shorten the R&D cycle.Adopt the FPGA of dual port RAM technology can realize reading while write of flower pattern file transfer, improve data transmission efficiency.RS485 is adopted to be connected each actuator with the mode of CAN, the wiring of fur machine is simplified, bus mode and real-time controlling unit is used to carry out communication by various sensor signal set to one piece of circuit board, real-time controlling unit treatment process action message quickly can be made, the combing head in each moment of Coordination Treatment feeds the control data of hair and slide cam selector needle selection, substantially increase the real-time of the present embodiment sliver knitting machine control system, reliability, knit out the fur product that quality is higher.
Claims (5)
1. a sliver knitting machine jacquard control system, is characterized in that: comprise man-machine interaction unit (1), real-time controlling unit (2) and mechanism's performance element (3); Wherein said man-machine interaction unit (1) is connected by parallel bus with real-time controlling unit (2); Described real-time controlling unit (2) is connected with mechanism's performance element (3), and described mechanism's performance element (3) comprises stepper motor (6), slide cam selector (7), air valve (5) and sensor signal detector (4); Wherein said stepper motor (6) and slide cam selector (7) adopt CAN to be connected with real-time controlling unit (2) respectively; Described air valve (5) and sensor signal detector (4) adopt RS485 bus to be connected with real-time controlling unit (2) respectively.
2. a kind of sliver knitting machine jacquard control system as claimed in claim 1, it is characterized in that: described man-machine interaction unit (1) comprises ARM Cortex-A8 controller (20), LCDs (13), touch-screen (14), eMMC storage chip (15), DDR store (16), USB interface (17), Ethernet interface (18), parallel bus interface and flower pattern resolver; Described ARM Cortex-A8 controller (20) stores (16), USB interface (17), Ethernet interface (18), parallel bus interface and flower pattern resolver respectively by circuit with LCDs (13), touch-screen (14), eMMC storage chip (15), DDR and is connected; Described ARM Cortex-A8 controller (20) is connected with real-time controlling unit (2) by parallel bus.
3. a kind of sliver knitting machine jacquard control system as claimed in claim 1, is characterized in that: described real-time controlling unit (2) comprises field programmable gate array controller (12), ARM controller (21), Flash flower pattern storer (8), servo drive control circuit (9), scrambler (10) and null pick-up (11); Described field programmable gate array controller (12) is connected with ARM Cortex-A8 controller (20) by parallel bus, described field programmable gate array controller (12) is connected with ARM controller (21) by circuit, and described ARM controller (21) is connected with null pick-up (11) with Flash flower pattern storer (8), servo drive control circuit (9), scrambler (10) respectively by circuit; Described ARM controller (21) is connected with mechanism's performance element (3) by circuit.
4. a kind of sliver knitting machine jacquard control system as claimed in claim 1, is characterized in that: described mechanism performance element (3) comprises slide cam selector (7), stepper motor (6), air valve (5), sensor signal detector (4); Wherein said slide cam selector (7) is connected with ARM controller (21) by CAN; Described stepper motor (6) is connected with ARM controller (21) by CAN, and described stepper motor (6) is connected with combing head (22), and described combing head (22) is provided with broken bar detection device (19); Described air valve (5), sensor signal detector (4) are connected with ARM controller (21) respectively by RS485 bus.
5. a kind of sliver knitting machine jacquard control system as claimed in claim 4, is characterized in that: described slide cam selector (7) has 18 tunnels, and is connected with ARM controller (21) by a road CAN; Described stepper motor (6) has 18, controlled by 5 control circuits, wherein in front 4 control circuits, each circuit has 4 stepper motors (6), and the 5th control circuit only has 2 stepper motors (6), and equal Configuration Control Unit, and be connected with ARM controller (21) by a road CAN.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104820402A (en) * | 2015-03-31 | 2015-08-05 | 浙江理工大学 | Artificial fur machine jacquard control system and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104820402A (en) * | 2015-03-31 | 2015-08-05 | 浙江理工大学 | Artificial fur machine jacquard control system and control method |
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