CN201429787Y - Control and detection circuit of machine head actuator of computer flat machine - Google Patents
Control and detection circuit of machine head actuator of computer flat machine Download PDFInfo
- Publication number
- CN201429787Y CN201429787Y CN2009200356595U CN200920035659U CN201429787Y CN 201429787 Y CN201429787 Y CN 201429787Y CN 2009200356595 U CN2009200356595 U CN 2009200356595U CN 200920035659 U CN200920035659 U CN 200920035659U CN 201429787 Y CN201429787 Y CN 201429787Y
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- circuit
- fpga
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- machine head
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Abstract
The utility model provides a control and detection circuit of a machine head actuator of a computer flat machine, which comprises an FPGA (1), a multi-path communication interface (2) is connected with the FPGA (1) through a difference level switch circuit (3), the FPGA (1) is also connected with a configuration chip (4), a sensor signal shaping circuit (5), a magnetron drive circuit (6) and a stepping motor drive circuit (7). The control and detection circuit can greatly improve the instantaneity and the reliability of the machine head magnetic valve and the stepping motor control, and is applicable to the detection of semi-manufactures of the machine head magnetic valve and the stepping motor, so that the problems can be found instantly and the working effect can be improved.
Description
Technical field
The utility model relates to loom control device, particularly computer flat-knitting machine head actuating mechanism controls and testing circuit.
Background technology
Computerized flat knitting machine relates to numerous areas such as electronics, machinery, computing machine, control, is a kind of typical electromechanical integrated product of more complicated.
In recent years, the demand of Computerized flat knitting machine constantly increases, traditional hand knitting machine has been difficult to satisfy people's demand, the producer that is engaged in the Computerized flat knitting machine exploitation both at home and abroad and produces continues to bring out, and the import Computerized flat knitting machine costs an arm and a leg, maintenance difficult, and homemade Computerized flat knitting machine technology is not mature enough, low, the unstable properties of braiding speed, and most single-chip microcomputer that adopts is as control chip, a little less than the data parallel processing power.
In addition, FPGA is the abbreviation of Field-Programmable Gate Array, it is field programmable gate array, it is the product that further develops on the basis of programming devices such as PAL, GAL, CPLD, it occurs as a kind of semi-custom circuit in special IC (ASIC) field, both solve the deficiency of custom circuit, overcome the limited shortcoming of original programming device gate circuit number again.
Computer flat-knitting machine head triangle, briquetting, yarn mouth solenoid valve, degree order motor, presser feet number of motors are many, and the control data amount is big, and head guarantees the gordian technique that becomes the exploitation of Computerized flat knitting machine control system fast with control synchronously of data transmission away from Main Control Tank.The most single-chip microcomputers that adopt of homemade Computerized flat knitting machine are as control chip, and control circuit complexity, integrated level are poor; Adopt RS232 or CAN bus and head to carry out data communication, limited by communication speed, the control real-time is challenged.
China utility model patent Granted publication CN2784432Y discloses a kind of " Computerized flat knitting machine control circuit ", comprise single-chip microcomputer, input circuit, display circuit, memory circuit and a plurality of executive circuit, single machine output end is connected respectively with a plurality of executive circuits through parallel interface, is in series with a light emitting diode between the control end of each port of its parallel interface and each corresponding road executive circuit.When break down in a certain road in the utility model execution control circuit, this road can't conducting, when single-chip microcomputer sends signal to this executive circuit, light emitting diode can not lighted, thereby make operating personnel in time find fault, also, shorten the repair time, help to enhance productivity for maintenance brings convenience.Adopt Single-chip Controlling, topworks is numerous, realizes the circuit complexity of synchro control, the control poor synchronization.
China utility model patent Granted publication CN2758296Y discloses a kind of " full-computerized jacquard flat knitting machine control device ", adopt host computer and slave computer, lower computer system adopts ripe singlechip technology, and the data by RS-232 serial port reception host computer realize the control to topworks.Head topworks is numerous, and the communication data amount is big, limited by the RS232 traffic rate, and the control real-time is low.
China utility model patent Granted publication CN2807310 discloses a kind of " computer flat-knitting machine head electric machine control system ", it adopts single-chip microcomputer parallel communication module, general parallel data line is provided, the module interface of address wire and control line, convenience is connected with other unit control of straight-bar machines.Improved data processing speed.During to the head actuating mechanism controls, the parallel transmission distance, connection is many, and communication reliability is not high.
Summary of the invention
At above-mentioned defective, computer flat-knitting machine head actuating mechanism controls and testing circuit that the utility model provides, head and Main Control Tank order wire negligible amounts, data communication efficient height, control circuit integrated level height, and can implement the head actuating mechanism controls circuit of complicated control algolithm, can greatly improve the real-time and the reliability of head solenoid valve and step motor control, and can be used for head solenoid valve and stepper motor semi-manufacture and detect, in time pinpoint the problems, raise the efficiency.
Computer flat-knitting machine head actuating mechanism controls and testing circuit that the utility model provides, comprise FPGA (1), multiplex communication interface (2) connects this FPGA (1) by differential level change-over circuit (3), and this FPGA (1) also connects configuring chip (4), sensor signal shaping circuit (5), solenoid tube driving circuit (6) and stepper motor driving circuit (7).
Preferably, above-mentioned FPGA is the XC2S200 chip of Xilinx company, and above-mentioned configuring chip is the XCF02S chip of Xilinx company.
FPGA is the abbreviation of Field-Programmable Gate Array, it is field programmable gate array, it is the product that further develops on the basis of programming devices such as PAL, GAL, CPLD, it occurs as a kind of semi-custom circuit in special IC (ASIC) field, both solve the deficiency of custom circuit, overcome the limited shortcoming of original programming device gate circuit number again.Adopt the control chip of FPGA as head topworks, adopt the multichannel differential transfer with upper machine communication, the data transmission efficiency height, the FPGA port is many, control circuit integrated level height, it is strong that the introducing of FPGA has improved each functional module parallel processing capability greatly, thereby guaranteed the real-time of head actuating mechanism controls.
Description of drawings
Fig. 1 is the schematic diagram of the utility model embodiment.
Embodiment
Below the embodiment that provides for the utility model.
As shown in Figure 1, computer flat-knitting machine head actuating mechanism controls and testing circuit, comprise FPGA (1), multiplex communication interface (2) connects this FPGA (1) by differential level change-over circuit (3), and this FPGA (1) also connects configuring chip (4), sensor signal shaping circuit (5), solenoid tube driving circuit (6) and stepper motor driving circuit (7).
Above-mentioned FPGA is the XC2S200 chip of Xilinx company, and above-mentioned configuring chip is the XCF02S chip of Xilinx company.
FPGA is the abbreviation of Field-Programmable Gate Array, it is field programmable gate array, it is the product that further develops on the basis of programming devices such as PAL, GAL, CPLD, it occurs as a kind of semi-custom circuit in special IC (ASIC) field, both solve the deficiency of custom circuit, overcome the limited shortcoming of original programming device gate circuit number again.Adopt the control chip of FPGA as head topworks, adopt the multichannel differential transfer with upper machine communication, the data transmission efficiency height, the FPGA port is many, control circuit integrated level height, it is strong that the introducing of FPGA has improved each functional module parallel processing capability greatly, thereby guaranteed the real-time of head actuating mechanism controls.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (2)
1, a kind of computer flat-knitting machine head actuating mechanism controls and testing circuit, it is characterized in that, comprise FPGA (1), multiplex communication interface (2) connects this FPGA (1) by differential level change-over circuit (3), and this FPGA (1) also connects configuring chip (4), sensor signal shaping circuit (5), solenoid tube driving circuit (6) and stepper motor driving circuit (7).
2, computer flat-knitting machine head actuating mechanism controls according to claim 1 and testing circuit is characterized in that, above-mentioned FPGA is the XC2S200 chip of Xilinx company, and above-mentioned configuring chip is the XCF02S chip of Xilinx company.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200356595U CN201429787Y (en) | 2009-03-16 | 2009-03-16 | Control and detection circuit of machine head actuator of computer flat machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200356595U CN201429787Y (en) | 2009-03-16 | 2009-03-16 | Control and detection circuit of machine head actuator of computer flat machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201429787Y true CN201429787Y (en) | 2010-03-24 |
Family
ID=42033527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200356595U Expired - Fee Related CN201429787Y (en) | 2009-03-16 | 2009-03-16 | Control and detection circuit of machine head actuator of computer flat machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201429787Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102697610B (en) * | 2012-06-20 | 2015-05-13 | 上海电机学院 | Double-crawler-wheel obstacle crossing wheelchair |
| CN108677371A (en) * | 2018-06-19 | 2018-10-19 | 杭州电子科技大学 | A kind of glove knitting machine head electromagnet control method based on FPGA |
-
2009
- 2009-03-16 CN CN2009200356595U patent/CN201429787Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102697610B (en) * | 2012-06-20 | 2015-05-13 | 上海电机学院 | Double-crawler-wheel obstacle crossing wheelchair |
| CN108677371A (en) * | 2018-06-19 | 2018-10-19 | 杭州电子科技大学 | A kind of glove knitting machine head electromagnet control method based on FPGA |
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Legal Events
| 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: 20100324 Termination date: 20160316 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |