CN101629361A - Control system of high-speed industrial sewing machine with multi-CPU structure - Google Patents
Control system of high-speed industrial sewing machine with multi-CPU structure Download PDFInfo
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- CN101629361A CN101629361A CN200910040942A CN200910040942A CN101629361A CN 101629361 A CN101629361 A CN 101629361A CN 200910040942 A CN200910040942 A CN 200910040942A CN 200910040942 A CN200910040942 A CN 200910040942A CN 101629361 A CN101629361 A CN 101629361A
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- 238000009958 sewing Methods 0.000 title claims abstract description 27
- 230000015654 memory Effects 0.000 claims abstract description 12
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 abstract description 15
- 230000036632 reaction speed Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
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Abstract
The invention relates to a control system of a high-speed industrial sewing machine with a multi-CPU structure. A main control CPU, accessory control CPUs, a machine head input/output control plate and a liquid crystal pattern printing device form a control unit of the invention, a memory is used for storing a system file, a main shaft position sensor positions a machine needle, a main shaft servo motor, an X shaft stepping motor and a Y shaft stepping motor form a movement unit of the invention, a control panel forms an operation display unit of the invention, a switching power supply forms a power supply unit of the invention, and a switching quantity input/output device and a pedal form an accessory action unit of the system. In the invention, a multi-CPU structure is mainly adopted in the control unit, the communication and data access with each unit and the control of the main shaft servo motor are completed by the main control CPU, parts requiring high reaction speed and much calculating workload are completed by the two accessory control CPUs, the load of the main control CPU is lightened, the running speed of the industrial sewing machine is enhanced, and the price of a single chip computer is very cheap, thereby the cost of the whole control system is also lowered.
Description
Technical field
The present invention relates to the control field of industrial sewing machine, specifically refer to a kind of control system of high-speed industrial sewing machine with multi-CPU structure.
Background technology
Along with the raising of industrial production technology, the profit of type of production enterprise and the speed of production of its equipment have close contact.Industry-by-industry all improves the speed of service of equipment constantly, thereby obtains more profit to improve throughput rate, is this situation equally in the leather processing industry.The control system of the industrial sewing machine in existing or speed are very slow, or price is very expensive, again or the lines of making or pattern effect undesirable.And the control system of high-speed industrial sewing machine that utilizes multi-CPU structure low price not only, and speed is very fast, by the optimization to software, can make the lines and the pattern of various complexity accurately, and production efficiency is increased substantially.
A lot of document and products about industrial sewing machine control system are at home and abroad arranged at present.Publication number is the Chinese patent literature of CN101012604, disclose a kind of name and be called " computer control system of industrial sewing machine " patent of invention, the modular unit structure is adopted in this invention, each inside, unit is relatively independent, establish one's own system, integrated degree height, can be according to the difference of industrial sewing machine host, the corresponding parts construction system of flexible configuration.The weak point of this application for a patent for invention is to adopt single CPU control, and the workload of CPU is big, and speed is fast inadequately, and cost is also very high.
Summary of the invention
For problem such as the slow and expensive problem of the speed that solves industrial sewing machine control system, the effect of making be undesirable, the invention provides a kind of control system of high-speed industrial sewing machine with multi-CPU structure.
A kind of control system of high-speed industrial sewing machine of the present invention with multi-CPU structure, comprise master cpu (1), auxilliary control CPU (2), auxilliary control CPU (3), memory (4), position sensor (5), main axle servo motor (6), X-axis stepper motor (7), y-axis stepper motor (8), switching value input switch amount output (9), pedal (10), headstock input and output control panel (11), the liquid crystal style is made an edition device (12), control panel (13), Switching Power Supply (14), wherein: master cpu (1), auxilliary control CPU (2), auxilliary control CPU (3), headstock input and output control panel (11) and liquid crystal style are made an edition device (12) and are formed control module of the present invention, memory (4) is used for storage system software, and the various data files of system's generation in service, main spindle's sensor (5) positions eedle, by main axle servo motor (6), X-axis stepper motor (7), y-axis stepper motor (8) is formed moving cell of the present invention, form operation display unit of the present invention by control panel (13), constitute power supply unit of the present invention by Switching Power Supply (14), switching value input and output (9) and pedal (10) are the auxiliary movement unit of system.
Position sensor (5) is connected respectively to master cpu (1), on auxilliary control CPU (2) and the auxilliary control CPU (3), main axle servo motor (6) respectively with master cpu (1), auxilliary control CPU (2) and auxilliary control CPU (3) interconnection, master cpu (1) is connected to X-axis stepper motor (7) by auxilliary control CPU (2), master cpu (1) is connected to y-axis stepper motor (8) by auxilliary control CPU (3), wherein master cpu (1) interconnects with auxilliary control CPU (2) and auxilliary control CPU (3) respectively, switching value input switch amount output (9) and pedal (10) interconnect with master cpu (1) respectively, and master cpu (1) is connected to headstock input and output control panel (11) respectively, the liquid crystal style is beaten an edition device (2) and control panel (13).
Memory (4) can be the internal memory that is welded on the master cpu (1), also can be the SD storage card that is connected to master cpu (1).
Master cpu (1) is connected to headstock input and output control panel (11) by data/address bus DB15, DB25, and the liquid crystal style is made an edition device (12) and transferred with control panel (13) and being connected by headstock input and output control panel (11) of master cpu (1).
Master cpu (1) and communicating by letter of auxilliary control CPU (2), auxilliary control CPU (3) are that the read-write by to the SPI agreement realizes.
Main spindle's sensor (5) and main axle servo motor (6) not only are connected on the master cpu (1), also are connected to simultaneously on auxilliary control CPU (2) and the auxilliary control CPU (3).
Switching Power Supply (14) is that master cpu (1), auxilliary control CPU (2) and auxilliary control CPU (3) provide power supply.
The software section of master cpu (1) mainly is the control that comprises main spindle's sensor (5), main axle servo sensor (6), switching value input and output (9), pedal (10), headstock input and output control panel at connected equipment and communicate by letter, and to the read-write of memory (4).The workflow of its software is: begin initialization after master cpu (1) is powered on, after system initialization is finished the data of last time operation are recovered and begin to assemble new data, the content of assembling mainly is the data of the equipment that links to each other with master cpu (1).After configuration is finished, system enters duty, play version device communication if desired and then communicate the execution of instruction, include the modification of data write, data and the setting of parameter, make the version device and mainly be some data of beating edition, parameter setting at style and with the I/O port communications; If the communication instruction that does not need to play version device communication then carry out operation panel is carried out, the communication instruction of operation panel mainly comprises standard interface operation, launches the catalogue form, the catalogue of the inputting interface that display data is set, the inputting interface that shows shifting bond(s) and display data input etc., and operation panel is primarily aimed at the setup parameter of making the version device to carry out style and make; If do not need to carry out operation panel communication then start the automatic operation that automatic operation carries out style; If do not start automatic operation, the state that begins to read clock, temperature, voltage etc. begins the operation of duty next time, promptly gets back to again to beat a version device communications portion and operate.
The function of assisting control CPU (2) and auxilliary control CPU (3) is roughly the same, only does to introduce with the workflow of assisting the software of controlling CPU (2) herein.The software section of auxilliary control CPU (2) is primarily aimed at X-axis stepper motor (7), and the ratio of X, Y-axis is operated and controlled, and the instruction that receives master cpu (1).Its workflow is: begin initialization operation after auxilliary control CPU (2) is powered on, enter interrupt system behind the system initialization, will detect this moment to the encoded servo device, if do not need to interrupt or the encoded servo device detects and finishes then carry out and the communicating by letter of master cpu, getting back to interrupt system if can not communicate by letter detects the encoded servo device again, if can communicate by letter then carry out the ratio operation of X-axis operation, X and Y-axis and the operation that master cpu reads the encoded servo device, get back to interrupt system afterwards and carry out do action.
Owing to adopted multi-CPU structure among the present invention, finish by master cpu (1) with the control of the communicating by letter of each unit, data access and main axle servo motor, the part that will negate and answer that speed is fast, amount of calculation is many is transferred to auxilliary control CPU (2) and the auxilliary CPU of control (3) finishes, alleviated the load of master cpu, improved the speed of service of industrial sewing machine, and the price of single-chip microcomputer is very cheap, thereby has also reduced the cost of The whole control system.
Description of drawings
Fig. 1 is the general structure block diagram of the control system of high-speed industrial sewing machine of multi-CPU structure of the present invention;
Fig. 2 is the software flow pattern of the master cpu (1) of the control system of high-speed industrial sewing machine of multi-CPU structure of the present invention;
Fig. 3 is the software flow pattern of auxilliary control CPU (2) of the control system of high-speed industrial sewing machine of multi-CPU structure of the present invention;
Fig. 4 is the software flow pattern of auxilliary control CPU (3) of the control system of high-speed industrial sewing machine of multi-CPU structure of the present invention.
Among the figure, 1. master cpu 2. auxilliary control CPU 3. auxilliary control CPU 4. memories 5. main spindle's sensors 6. main axle servo motor 7.X axle servomotor 8.Y axle servomotors 9. switching value input and output 10. pedals 11. headstock input and output control panels 12. liquid crystal styles are beaten edition device 13. control panels 14 Switching Power Supplies
The specific embodiment
Below by specific embodiment, in conjunction with the accompanying drawings, the control system of high-speed industrial sewing machine of multi-CPU structure of the present invention is further described.
A kind of control system of high-speed industrial sewing machine with multi-CPU structure of the present invention comprises:
Master cpu (1), auxilliary control CPU (2), auxilliary control CPU (3), headstock input and output control panel (11) and liquid crystal style are made an edition device (12) and are formed control module of the present invention.Control module is the core of native system, and master cpu (1) adopts 32 8-digit microcontrollers, and this CPU core contains Flash memory, RAM memory and internal bus accelerator architecture etc., has realized the purpose of the quick computing that master cpu (1) requires from hardware.
Auxilliary control CPU (2) and auxilliary control CPU (3) adopt 32 8-digit microcontrollers, are a kernel microcontrollers that aims at Embedded Application and develop.Can both show superior performance in real-time, arithmetic speed, entire product series has the high degree of compatibility of pin to pin, peripheral hardware and software.
Main axle servo motor (6), X-axis stepper motor (7), y-axis stepper motor (8) are formed moving cell of the present invention, are the action execution unit of whole system.Memory (4) is used for storage system software, and the various data files of system's generation in service; Main spindle's sensor (5) positions eedle, and we adopt Hall element sensor; Control panel (13) is formed operation display unit of the present invention, we have adopted LCDs, by adopting S-250-24 type Switching Power Supply (14) to constitute power supply unit of the present invention, be the auxiliary movement unit of system by light-coupled isolation formula switching value input and output (9) and pedal (10).
The general structure block diagram of a kind of control system of high-speed industrial sewing machine with multi-CPU structure of the present invention as shown in Figure 1.Position sensor (5) is connected respectively to master cpu (1), on auxilliary control CPU (2) and the auxilliary control CPU (3), main axle servo motor (6) respectively with master cpu (1), auxilliary control CPU (2) and auxilliary control CPU (3) interconnection, master cpu (1) is connected to X-axis stepper motor (7) by auxilliary control CPU (2), master cpu (1) is connected to y-axis stepper motor (8) by auxilliary control CPU (3), wherein master cpu (1) interconnects with auxilliary control CPU (2) and auxilliary control CPU (3) respectively, the reason of doing like this is to allow auxilliary control CPU (2) communicate by letter with the part that auxilliary control CPU (3) goes to share master cpu (1), alleviates the load of master control; Switching value input switch amount output (9) and pedal (10) interconnect with master cpu (1) respectively, and the auxiliary movement unit of native system is provided; Master cpu (1) is connected to headstock input and output control panel (11) by data/address bus DB15, DB25, and the liquid crystal style is made an edition device (12) and transferred with being connected by headstock input and output control panel (11) of master cpu (1); Master cpu (1) is connected to the control panel (13) of operation display unit; Switching Power Supply (14) is connected to whole master controller, is respectively master cpu (1), auxilliary control CPU (2) and auxilliary control CPU (3) power supply.
The software section of master cpu (1) mainly is the control that comprises main spindle's sensor (5), main axle servo motor (6), switching value input and output (9), pedal (10), headstock input and output control panel at connected equipment and communicate by letter, and to the read-write of memory (4).Be illustrated in figure 2 as the software flow pattern of master cpu (1).Begin initialization after master cpu (1) powered on, after system initialization is finished the data of operation last time are recovered and begin to assemble new data, the content of assembling mainly is the data of the equipment that links to each other with master cpu (1).After configuration is finished, system enters duty, play version device communication if desired and then communicate the execution of instruction, include the modification of data write, data and the setting of parameter, make the version device and mainly be some data of beating edition, parameter setting at style and with the I/O port communications; If the communication instruction that does not need to play version device communication then carry out operation panel is carried out, the communication instruction of operation panel mainly comprises standard interface operation, launches the catalogue form, the catalogue of the inputting interface that display data is set, the inputting interface that shows shifting bond(s) and display data input etc., and operation panel is primarily aimed at the setup parameter of making the version device to carry out style and make; If do not need to carry out operation panel communication then start the automatic operation that automatic operation carries out style; If do not start automatic operation, the state that begins to read clock, temperature, voltage etc. begins the operation of duty next time, promptly gets back to again to beat a version device communications portion and operate.
The software section of auxilliary control CPU (2) is primarily aimed at X-axis stepper motor (7), and the ratio of X, Y-axis is operated and controlled, and the instruction that receives master cpu (1).Be illustrated in figure 3 as the software flow pattern of auxilliary control CPU (2).The auxilliary control after powering on, CPU (2) begun initialization operation, enter interrupt system behind the system initialization, will detect this moment to the encoded servo device, if do not need to interrupt or the encoded servo device detects and finishes then carry out and the communicating by letter of master cpu, getting back to interrupt system if can not communicate by letter detects the encoded servo device again, if can communicate by letter then carry out the ratio operation of X-axis operation, X and Y-axis and the operation that master cpu reads the encoded servo device, get back to interrupt system afterwards and carry out do action.
The software section of auxilliary control CPU (3) is primarily aimed at y-axis stepper motor (8), and the ratio of X, Y-axis is operated and controlled, and the instruction that receives master cpu (1), and different with auxilliary control CPU (2) is that auxilliary control CPU (3) does the Y-axis of operation by trapezoidal operation.Be illustrated in figure 4 as the software flow pattern of auxilliary control CPU (3).The auxilliary control after powering on, CPU (3) begun initialization operation, enter interrupt system behind the system initialization, will detect this moment to the encoded servo device, if do not need to interrupt or the encoded servo device detects and finishes then carry out and the communicating by letter of master cpu, getting back to interrupt system if can not communicate by letter detects the encoded servo device again, if can communicate by letter then carry out the ratio operation of the trapezoidal operation of Y-axis, X and Y-axis and the operation that master cpu reads the encoded servo device, get back to interrupt system afterwards and carry out do action.
Claims (5)
1. the control system of high-speed industrial sewing machine that has multi-CPU structure, comprise that master cpu (1), auxilliary control CPU (2), auxilliary control CPU (3), memory (4), main spindle's sensor (5), main axle servo motor (6), X-axis stepper motor (7), y-axis stepper motor (8), the output of switching value input switch amount (9), pedal (10), headstock input and output control panel (11), liquid crystal style beat an edition device (12), control panel (13), Switching Power Supply (14), it is characterized in that: control system is taked the structure of many CPU;
Wherein: position sensor (5) is connected respectively to master cpu (1), on auxilliary control CPU (2) and the auxilliary control CPU (3), main axle servo motor (6) interconnects with master cpu (1) and auxilliary control CPU (2) respectively, master cpu (1) is connected to X-axis stepper motor (7) by auxilliary control CPU (2), master cpu (1) is connected to y-axis stepper motor (8) by auxilliary control CPU (3), wherein master cpu (1) interconnects with auxilliary control CPU (2) and auxilliary control CPU (3) respectively, switching value input switch amount output (9) and pedal (10) interconnect with master cpu (1) respectively, master cpu (1) is connected to headstock input and output control panel (11) respectively, the liquid crystal style is made an edition device (2), and master cpu (1) links to each other with control panel (13).
2. the control system of high-speed industrial sewing machine with multi-CPU structure according to claim 1, it is characterized in that: described master cpu (1) is connected to headstock input and output control panel (11) by data/address bus DB15, DB25, and the liquid crystal style is made an edition device (12) and transferred with being connected by headstock input and output control panel (11) of master cpu (1).
3. the control system of high-speed industrial sewing machine with multi-CPU structure according to claim 1 is characterized in that: master cpu (1) and communicating by letter of auxilliary control CPU (2), auxilliary control CPU (3) are that the read-write by to the SPI agreement realizes.
4. the control system of high-speed industrial sewing machine with multi-CPU structure according to claim 1 is characterized in that: main spindle's sensor (5) not only is connected on the master cpu (1), also is connected to simultaneously on auxilliary control CPU (2) and the auxilliary control CPU (3).
5. the control system of high-speed industrial sewing machine with multi-CPU structure according to claim 1 is characterized in that: described Switching Power Supply (14) is that master cpu (1), auxilliary control CPU (2) and auxilliary control CPU (3) provide power supply.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910040942 CN101629361B (en) | 2009-07-08 | 2009-07-08 | Control system of high-speed industrial sewing machine with multi-CPU structure |
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| CN 200910040942 CN101629361B (en) | 2009-07-08 | 2009-07-08 | Control system of high-speed industrial sewing machine with multi-CPU structure |
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| CN101629361A true CN101629361A (en) | 2010-01-20 |
| CN101629361B CN101629361B (en) | 2013-05-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005190A (en) * | 2013-07-27 | 2014-08-27 | 温州亿生科技有限公司 | Double-motor sewing machine remote comprehensive control system |
| CN104122859A (en) * | 2014-07-04 | 2014-10-29 | 深圳市宝捷龙电脑刺绣技术有限公司 | Embedded electronic pattern sewing machine control system based on controller area network (CAN) bus |
| CN104452117A (en) * | 2014-11-06 | 2015-03-25 | 上海鲍麦克斯电子科技有限公司 | Cylindrical surface seam sewing machine numerical control system |
| CN112024450A (en) * | 2020-08-28 | 2020-12-04 | 苏州富强科技有限公司 | Cooperative detection method and system for keyboard detection and detection mechanism |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548601A (en) * | 2003-05-12 | 2004-11-24 | 徐章松 | Computerized controller for industrial sewing machine |
| CN101012604B (en) * | 2006-12-14 | 2012-05-23 | 绵阳市维博电子有限责任公司 | Computer control system of industrial sewing machine |
-
2009
- 2009-07-08 CN CN 200910040942 patent/CN101629361B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005190A (en) * | 2013-07-27 | 2014-08-27 | 温州亿生科技有限公司 | Double-motor sewing machine remote comprehensive control system |
| CN104005190B (en) * | 2013-07-27 | 2016-01-20 | 温州亿生科技有限公司 | A kind of Sewing machines remote comprehensive control system of bi-motor |
| CN104122859A (en) * | 2014-07-04 | 2014-10-29 | 深圳市宝捷龙电脑刺绣技术有限公司 | Embedded electronic pattern sewing machine control system based on controller area network (CAN) bus |
| CN104452117A (en) * | 2014-11-06 | 2015-03-25 | 上海鲍麦克斯电子科技有限公司 | Cylindrical surface seam sewing machine numerical control system |
| CN112024450A (en) * | 2020-08-28 | 2020-12-04 | 苏州富强科技有限公司 | Cooperative detection method and system for keyboard detection and detection mechanism |
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