CN202837963U - Multi-bus architecture based control device for braiding mechanism of circular knitting machine - Google Patents
Multi-bus architecture based control device for braiding mechanism of circular knitting machine Download PDFInfo
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- CN202837963U CN202837963U CN2012201790013U CN201220179001U CN202837963U CN 202837963 U CN202837963 U CN 202837963U CN 2012201790013 U CN2012201790013 U CN 2012201790013U CN 201220179001 U CN201220179001 U CN 201220179001U CN 202837963 U CN202837963 U CN 202837963U
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- air valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model relates to a multi-bus architecture based control device for a braiding mechanism of a circular knitting machine, which comprises a master control chip, CAN buses, 485 buses, air valve control panels for controlling air valves of the braiding mechanism of the circular knitting machine, and motor control panels for controlling density motors of the braiding mechanism of the circular knitting machine. The master control chip is connected with the CAN buses through a CAN transceiver, and the CAN buses are connected with the valve control panels through CAN transceivers; and the master control chip is simultaneously connected with the 485 buses through an RS485 transceiver, and the 485 buses are connected with the motor control panels via RS485 transceivers. According to the utility model, the multi-bus architecture based control device for the braiding mechanism of the circular knitting machine improves the automation degree and is good in both instantaneity and expansibility.
Description
Technical field
The invention belongs to the Knitting Machinery fields of numeric control technique, especially relate to a kind of round latitude machine knitting mechanism control device.
Background technology
Along with the application of new and high technology in circle latitude machine, circle latitude machine presents robotization, intelligentized developing direction.State inner circle latitude machine manufacturer mainly relies on external technology at present, also has larger gap with current advanced technology, so domestic circle latitude machine control system is significant.In order to improve its automaticity and control rate, just need correspondingly real-time and the extendability of control system, guarantee simultaneously high reliability.The control object of circle latitude machine knitting mechanism control device is mainly air valve and stepper motor: the control of yarn mouth air valve, needle selection air valve and triangle air valve is realized in the Air Valve Control unit; Motor control unit is realized the control of density electrical machine.
Summary of the invention
, real-time lower for the automaticity that overcomes existing latitude machine knitting mechanism control device and the relatively poor deficiency of extendability, the utility model provides a kind of good round latitude machine knitting mechanism control device based on the multibus framework of automaticity, real-time and extendability that improves.
The utility model for the technical scheme that solves the problems of the technologies described above employing is:
A kind of round latitude machine knitting mechanism control device based on the multibus framework, described round latitude machine knitting mechanism control device comprises main control chip, CAN bus, 485 buses, be used for control circle latitude machine knitting mechanism air valve the Air Valve Control plate and be used for the Electric Machine Control plate of the density electrical machine of control circle latitude machine knitting mechanism, described main control chip is connected with the CAN bus by main CAN transceiver, and described CAN bus is by being connected with the Air Valve Control plate from the CAN transceiver; Described main control chip is connected with 485 buses by main RS485 transceiver simultaneously, and described 485 buses are by being connected with the Electric Machine Control plate from the RS485 transceiver.
Further, described have two from the CAN transceiver, and an Air Valve Control plate is connected with the sandspit air valve, and another piece Air Valve Control plate is connected with needle selection air valve, triangle air valve simultaneously.
Described have six from the RS485 transceiver, and every block of Electric Machine Control plate all is connected with density electrical machine.
The beneficial effect that the present invention has is: by the ARM design proposal that adopts, improved the automaticity of round knitting device mechanism control system, by having adopted the architecture design of multibus, improved greatly real-time performance, reliability and the extendability of round weft knitting mechanism control system processed.
Description of drawings
Fig. 1 is the round latitude machine knitting mechanism control device theory diagram that the present invention is based on the multibus framework.
Fig. 2 a is CAN command analysis block diagram, and Fig. 2 b is RS485 command analysis block diagram.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
See figures.1.and.2, a kind of round latitude machine knitting mechanism control device based on the multibus framework, based on ARM group and multibus, this control device control object is mainly air valve and motor.The control of yarn mouth air valve, needle selection air valve and triangle air valve is realized in the Air Valve Control unit; Motor control unit is realized the control of density electrical machine.The Air Valve Control plate communicates by 2 road CAN buses and master controller, 3 blocks of Air Valve Control plates of one road CAN bus carry wherein, and another road is 6; 6 density electrical machine control panels communicate by 6 road RS485 buses and master controller.Each Air Valve Control plate comprises 64 road air valve driver elements; Each density electrical machine drive plate comprises 6 direction density electric-motor drive units.They accept the instruction of master controller and control corresponding driver element.Device provided by the invention comprises: (1) arm processor module, (2) RS-485 communication module, (3) CAN communication module, (4) stepper motor driver module, (5) air valve driver module.
In the present embodiment, adopt ST company based on the STM32 family chip of Cortex M3 kernel as the system master core, utilize STM32F207 and STM32F103 to consist of up and down two-layer control framework, effectively reduce hardware cost, improve the product cost performance.By to CAN bus and RS485 bus multinode communication feasibility analysis, round latitude machine knitting mechanism control system CAN bus and RS485 bus communication framework have been proposed respectively.This control system is carried out data communication between each control module in multibus multinode mode, high real-time and the high reliability request of communication when having satisfied round latitude machine operation, the perfect control function of round latitude machine has fully improved round latitude machine control system and extendability.
Mainboard adopts STM32F207 as main control chip, and this chip is 32 Cortex-M3 kernels, and maximum operation frequency can reach 120MHz.Density electrical machine plate and air valve control panel adopt all in addition that a series of STM32F103 also is 32 Cortex-M3 kernels as control core, and maximum operation frequency can reach 72MHz.These two kinds of chips all are integrated with UART module and CAN controller, thereby have simplified the peripheral hardware circuit design, and high integration is conducive to improve the real-time performance of system simultaneously.On communication channel, the bus communication of mainboard and density electrical machine plate adopts SP490E as the RS485 bus transceiver, and the bus communication of mainboard and Air Valve Control plate adopts TJA1050 as the CAN transceiver.In order to satisfy the electrical safety standard of industrial design, adopted the TLP2116 high speed photo coupling of Toshiba, to carry out electrical isolation, guaranteed that also 485 buses and CAN bus communication baud rate can reach 1Mbps, have satisfied the high real-time requirement of system.Communication cable has been selected high-quality Category-5 twisted pair, has improved greatly antijamming capability, guarantees the communication reliability.In addition, adopted the scheme of multinode design in bus design, so that there is better extensibility in system.
On hardware design, system adopts integrated stepper motor to drive chip BD63860 density electrical machine is driven control, simplified stepper motor driven control program, so that motor plate main control chip STM32F103 has the more time to process 485 bus communications and technologic optimization.The Air Valve Control plate adopts NPN type triode TIP122 as the driving element of switch electromagnetic gas valve, is conducive to control more air valve at single control module.On Software for Design, to 485 packings that communicate frame, designed corresponding communications protocol, reduce useless redundancy bytes, guaranteed the high efficiency of transmission of density electrical machine steering order.The agreement regulation is carried out CRC check to the data of 485 communications, the communication reliability that guarantees greatly, and then the precision of raising weaving.Because air valve is controlled by solenoid, electric current is larger during the high pressure conducting, so the scheme of employing " high pressure conducting and PWM keep " is to reach the purpose of air valve driving circuit coil heating amount, minimizing power consumption.
By reference to the accompanying drawings 1,2, the control method of the round latitude machine knitting mechanism control device that the present invention is based on the multibus framework below is described in detail in detail:
The first step, master controller and lower floor's controller are carried out initial configuration work according to program.
Second step, master controller STM32F207 sends to the instruction that defines on corresponding the CAN bus or 485 buses.
In the 3rd step, the Air Valve Control plate on the corresponding bus or density electrical machine control panel receive the data on the bus.
In the 4th step, the controller STM32F103 of control panel resolves the data that receive.Wherein, the Air Valve Control plate parses for steering order according to Fig. 2 a after judging that this locality is destination address, and carries out corresponding air valve drive actions according to Air Valve Control unit corresponding to this instruction control; The density electrical machine control panel carries out first the CRC redundancy check, errorlessly carries out instruction according to Fig. 2 b and resolves afterwards, and control corresponding density electrical machine driver element and carry out corresponding stepper motor drive actions.
In the 5th step, repeated for two, three, four steps.
Claims (3)
1. round latitude machine knitting mechanism control device based on the multibus framework, it is characterized in that: described round latitude machine knitting mechanism control device comprises main control chip, CAN bus, 485 buses, be used for control circle latitude machine knitting mechanism air valve the Air Valve Control plate and be used for the Electric Machine Control plate of the density electrical machine of control circle latitude machine knitting mechanism, described main control chip is connected with the CAN bus by main CAN transceiver, and described CAN bus is by being connected with the Air Valve Control plate from the CAN transceiver; Described main control chip is connected with 485 buses by main RS485 transceiver simultaneously, and described 485 buses are by being connected with the Electric Machine Control plate from the RS485 transceiver.
2. the round latitude machine knitting mechanism control device based on the multibus framework as claimed in claim 1, it is characterized in that: described have two from the CAN transceiver, an Air Valve Control plate is connected with the sandspit air valve, and another piece Air Valve Control plate is connected with needle selection air valve, triangle air valve simultaneously.
3. the round latitude machine knitting mechanism control device based on the multibus framework as claimed in claim 1 or 2, it is characterized in that: described have six from the RS485 transceiver, and every block of Electric Machine Control plate all is connected with density electrical machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201790013U CN202837963U (en) | 2012-04-24 | 2012-04-24 | Multi-bus architecture based control device for braiding mechanism of circular knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201790013U CN202837963U (en) | 2012-04-24 | 2012-04-24 | Multi-bus architecture based control device for braiding mechanism of circular knitting machine |
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| Publication Number | Publication Date |
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| CN202837963U true CN202837963U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201790013U Expired - Fee Related CN202837963U (en) | 2012-04-24 | 2012-04-24 | Multi-bus architecture based control device for braiding mechanism of circular knitting machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503283A (en) * | 2014-12-05 | 2015-04-08 | 成都国卫通信技术有限公司 | Antenna servo control device and control method |
| CN104765293A (en) * | 2015-03-23 | 2015-07-08 | 浙江理工大学 | Multi-bus framework seamless underwear machine control system |
| CN105116803A (en) * | 2015-08-19 | 2015-12-02 | 浙江理工大学 | Seamless underwear machine valve group distributed drive control system and control method |
| CN112410998A (en) * | 2020-12-07 | 2021-02-26 | 浙江理工大学 | Real-time control device for circular knitting machine |
-
2012
- 2012-04-24 CN CN2012201790013U patent/CN202837963U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503283A (en) * | 2014-12-05 | 2015-04-08 | 成都国卫通信技术有限公司 | Antenna servo control device and control method |
| CN104765293A (en) * | 2015-03-23 | 2015-07-08 | 浙江理工大学 | Multi-bus framework seamless underwear machine control system |
| CN105116803A (en) * | 2015-08-19 | 2015-12-02 | 浙江理工大学 | Seamless underwear machine valve group distributed drive control system and control method |
| CN112410998A (en) * | 2020-12-07 | 2021-02-26 | 浙江理工大学 | Real-time control device for circular knitting machine |
| CN112410998B (en) * | 2020-12-07 | 2022-02-18 | 浙江理工大学 | Real-time control device for circular knitting machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20150424 |
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| EXPY | Termination of patent right or utility model |