CN108829628A - A kind of tricot machine double Jacquard real-time control methods and device - Google Patents
A kind of tricot machine double Jacquard real-time control methods and device Download PDFInfo
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- CN108829628A CN108829628A CN201810537796.2A CN201810537796A CN108829628A CN 108829628 A CN108829628 A CN 108829628A CN 201810537796 A CN201810537796 A CN 201810537796A CN 108829628 A CN108829628 A CN 108829628A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/16—Handling requests for interconnection or transfer for access to memory bus
- G06F13/1668—Details of memory controller
- G06F13/1673—Details of memory controller using buffers
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
Abstract
The invention discloses a kind of tricot machine double Jacquard real-time control methods and device, belong to warp knit equipment technology field.By design twin-stage data buffer zone and using the method for data pre-storage storage, the real-time triggering of the bus transfer movement and data that carry out cutting isolated data from the physical channel that data shift biases output action, first order data buffer zone is allowed to be triggering bias action service in real time, second level data buffer zone is allowed to be bus data Communications service, to realize data bus transfer and data it is real-time refreshing can in the form of dual-thread in time parallel synchronous execute, effectively increase control program data handle real-time；Real-time also by ensuring the control of raising system in the hardware supported that program is run, it is verified through production, using the double jacquard warp three-dimensional jacquard weave footwear material production speed of two-needle bar of the invention up to 450r/min, about 30% is promoted relative to original system speed of production.
Description
Technical field
The present invention relates to a kind of tricot machine double Jacquard real-time control methods and device, belong to warp knit equipment technology field.
Background technique
Piezoelectric jacquard because of its succinct and compact high integration component encapsulation, become tricot machine jacquard flower it is newest and
It is the jacquard weave driving element most generally used, and relies on this advantage, it can be in limited machine assembly space further
Extension installation, and then the double jacquard comb products of a new generation such as meet current warp knit body shaping underwear, seamless garments, three-dimensional jacquard weave footwear material
Research and development and production requirement.
With the rapid research and development and batch production of the double jacquard comb techniques of warp knit and product, especially along with warp knit two-needle bar
This consumption of double Jacquard three-dimensional jacquard weave footwear materials is big and the extensive novel product of the consumer group occurs, and market is to double jacquard warps
Demand increase severely, but simultaneously because the double Jacquard three-dimensional jacquard weave footwear material Product Process data volumes of warp knit are big, and production of machinery speed
The particularity that should not be reduced, so that it increases substantially the requirement of real-time of double Jacquard control system data processings.
In the double jacquard flower's control systems of tricot machine, it is two that control object, which increases Jacquard sley bar from original one,
Although jacquard weave total needle amount merely adds one times, Jacquard sley bar is needed compile on two needle beds in a front/back with lopping due to every
It knits, i.e., it is every jacquard comb at most to be needed to complete during the braiding of each row four biasings, therefore double Jacquard system jacquard weaves
Real-time biased data amount corresponding to information content is increased by eight times, simultaneously because each row period is cut by four bias actions
Point, cause the transmission time capacity of each biased data there was only a quarter of common single Jacquard system.Octuple data volume, four
/ mono- transmission time has been further exacerbated by system to the real-time processing difficulty of jacquard flower's information biased data, and due to
It is slow to the real-time processing speed of jacquard flower's information biased data, cause the speed of production of existing double Jacquard control systems also to compare
It is relatively slow, the production of double Jacquard three-dimensional jacquard weave footwear material products can only be about carried out with the speed of 350r/min.
Summary of the invention
In order to solve in the double Jacquard control systems of tricot machine because data volume increases rapidly and single biased data transmission time
The problem of Dynamic Data Processing real-time brought by shortening reduces, and system operatio inconvenience and speed of production is caused to reduce, this hair
It is bright to provide a kind of tricot machine double Jacquard real-time control methods and device.
The first purpose of this invention is to provide a kind of tricot machine double Jacquard real-time control methods, the method packet
It includes：
Step 1：It preloads when four biased datas of front row jacquard flower are into first order data buffer zone；It preloads
For four biased datas of jacquard flower of second row into second level data buffer zone, second row works as front row to be described
Next row；
Step 2：The angle change being rotated in the technique row period for monitoring tricot machine main shaft, respectively in main shaft angle
When reaching the first trigger angle, the second trigger angle, third trigger angle and four trigger angles, first order data will be located at and delayed
Four biased datas of the jacquard flower rushed in area are sequentially output, to refresh Jacquard sley point bias state；
Step 3：The moment is completed in the 4th jacquard flower's biased data output in first order data buffer zone, currently
Count is incremented for row, and four biased datas of jacquard flower in the data buffer zone of the second level are disposably all moved into and covered
First order data buffer zone, after starting bus data communication thread, program main flow goes to step 2；
Step 4：The bus data communication thread having been turned on is completed before program main flow reaches step 3 by i-th+2
Four biased datas of jacquard flower of row voluntarily terminate after being sent in the data buffer zone of the second level；I-th+2 row is
Next row of the i+1 row；The i successively value be 1,2,, N；
Step 5：Step 3 is repeated to step 4.
Optionally, the first order data buffer zone and the second level data buffer zone respectively include four data storages
Area, respectively successively to store four biased datas in every row jacquard flower information.
Optionally, the technique row period in the step 2 is the swing circle that two-needle bar main shaft turns over one 360 °,
Namely the double jacquard warps of two-needle bar are during weaving a row, needle of two Jacquard sley bars in preceding needle bed and rear needle bed
The preceding basic weaving cycle that a bias action is completed with needle back.
Optionally, the first trigger angle in the step 2, the second trigger angle, third trigger angle and the 4th triggering
Angle is Jacquard sley bar in a basic weaving cycle of the double jacquard warps of two-needle bar, using main shaft zero-bit as start angle,
Before the preceding angle of eccentricity of its corresponding preceding needle bed needle, preceding needle bed needle back angle of eccentricity, rear needle bed needle back angle of eccentricity, rear needle bed needle partially
Angle setting degree.
Optionally, in the step 3, four biased datas of jacquard flower in the data buffer zone of the second level are moved into simultaneously
In covering first order data buffer zone and step 2 is continued to execute, tricot machine main shaft is constantly in rotary course, i.e., i-th+2 is horizontal
Arrange the bus communication transmission of four biased datas of jacquard flower, output with four biased datas of i+1 row jacquard flower and
The bias state of Jacquard sley point refreshes, and practical on the time is concurrently to execute.
Optionally, when the value range of front row spends high course count N to double Jacquard weavings for 1, if working as front row
When value is equal to double Jacquard weaving flower high level N, then i+1 row is the first row of double Jacquard weavings.
Second object of the present invention is to provide a kind of tricot machine double Jacquard real-time control apparatus, which is characterized in that
Described device includes：
Memory module, monitoring modular and control module；
The memory module is used to store four biased datas of jacquard flower of the i-th row and i+1 row, the i according to
Secondary value is 1,2,, N, N is that double Jacquard weavings spend high course count；
The monitoring modular is used to monitor the angle change of tricot machine main shaft being rotated in the technique row period；
The control module is used to detect that main shaft angle reaches the first trigger angle, the second triggering in the monitoring modular
When angle, third trigger angle and four trigger angles, controls the memory module and be sequentially output corresponding jacquard flower four times
Biased data, and four biased datas of jacquard flower in memory module described in real-time update.
Optionally, the memory module includes：
First storage unit and the second storage unit；
First storage unit is used to store four biased datas of jacquard flower of i-th row；
Second storage unit is used to store four biased datas of jacquard flower of the i+1 row.
Optionally, the control memory module is sequentially output four biased datas of corresponding jacquard flower, and in real time
Four biased datas of jacquard flower in the memory module are updated, including：
Detect that main shaft angle reaches the first trigger angle, the second trigger angle, third Trigger Angle in the monitoring modular
When degree and four trigger angles, first storage unit controlled in the memory module is sequentially output corresponding jacquard flower
Four biased datas；
After four biased datas of jacquard flower in first storage unit all export, when front row counts
Add 1, four biased datas of jacquard flower in second storage unit are moved into and covers in first storage unit；It will
Four biased datas of jacquard flower of i-th+2 row are sent in second storage unit.
It is optionally, described that four biased datas of jacquard flower of i-th+2 row are sent in second storage unit,
It is jacquard flower four times corresponding that i+1 row is sequentially output with first storage unit in the control memory module
Biased data executes parallel in time.
Optionally, double Jacquard control devices include MCU control panel, slot backboard and Jacquard driving plate；
Wherein, there are DC24V and DC200V power interface, 17 board in circuit board slot, transmission in parallel each on the slot backboard
The backboard bus of controls slot power and signal, fixed first board in circuit board slot being plugged in close to power interface of MCU control panel,
16 board in circuit board slot of remaininging are respectively used to 16 pieces of Jacquard driving plates of inserting；MCU control panel includes bus interface module, axial coding
Device angle signal input module, the MCU control module programmed with CPLD hardware language；Jacquard driving plate directly drives Jacquard guide
Needle block.
Optionally, the MCU control panel is received from the Jacquard that upper industrial personal computer is sent by bus interface module and is mentioned
Flower biased data, and the tricot machine main shaft angle variation that real-time monitoring is inputted by spindle encoder angle signal input module,
It exports Jacquard biased data in real time and gives backboard bus, the Jacquard yarn guide needle block driven with all Jacquard driving plates of fast refresh
Bias state.
Optionally, the tricot machine uses double Jacquard real-time control methods in the form of hardware language program in MCU control panel
On MCU control module in circulation execute.
Present invention has the advantages that：
For the present invention by design twin-stage data buffer zone and using the method for data pre-storage storage, the physics shifted from data is logical
The bus transfer movement for carrying out cutting isolated data on road biases output action with the real-time triggerings of data, allows first order data buffering
Area is triggering bias action service in real time, allows second level data buffer zone to be bus data Communications service, to realize data
Bus transfer and data real-time refreshing can parallel synchronous executes in time in the form of dual-thread, basic thought is a kind of
The control algolithm traded space for time, this method effectively increase the real-time of control program data processing；The present invention is also logical
The real-time for ensuring the control of raising system in the hardware supported of program operation is crossed, control program is retouched using the hardware based on HDL
Programming with Pascal Language is stated, communication bus selects the G_Link bus of 2Mbps to support, each double Jacquard control devices at most only control 16 pieces
Jacquard driving plate all guarantees to cooperate with multiple control devices on the basis of limited data space and data-handling capacity
It concurrently executes, to guarantee the realtime control of whole system and the raising of speed of production；It is verified through production, using pair of the invention
The double jacquard warp three-dimensional jacquard weave footwear material production speed of needle bed are mentioned up to 450r/min relative to original system speed of production
Rise about 30%.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is four trigger angles in the basic braid movement of the double Jacquard double rib warp looms of institute's applicable object of the present invention
Timing diagram；
Fig. 2 is a kind of real-time processing timing diagram of the tricot machine of the present invention with biased data in double Jacquard control methods；
Fig. 3 is a kind of double Jacquard control method flow charts of tricot machine of the present invention；
Fig. 4 is a kind of double Jacquard control device composition figures of tricot machine of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.Implementation purpose of the invention, be to provide a kind of tricot machine with double Jacquard real-time control methods with
Device, meet available data amount is big, biasing often, the short double Jacquard three-dimensional jacquard weave footwear material products of warp knit of transmission time are producing
High real-time requirements in weaving, and manufacturing machine speed can be provided to a certain degree.
Embodiment one：
The present embodiment provides a kind of double Jacquard real-time control methods of tricot machine, the method includes：
Step 1：It preloads when four biased datas of front row jacquard flower are into first order data buffer zone；It preloads
For four biased datas of jacquard flower of second row into second level data buffer zone, second row works as front row to be described
Next row；
Step 2：The angle change being rotated in the technique row period for monitoring tricot machine main shaft, respectively in main shaft angle
When reaching the first trigger angle, the second trigger angle, third trigger angle and four trigger angles, first order data will be located at and delayed
Four biased datas of the jacquard flower rushed in area are sequentially output, to refresh Jacquard sley point bias state；
Step 3：The moment is completed in the 4th jacquard flower's biased data output in first order data buffer zone, currently
Count is incremented for row, and four biased datas of jacquard flower in the data buffer zone of the second level are disposably all moved into and covered
First order data buffer zone, after starting bus data communication thread, program main flow goes to step 2；
Step 4：The bus data communication thread having been turned on is completed before program main flow reaches step 3 by i-th+2
Four biased datas of jacquard flower of row voluntarily terminate after being sent in the data buffer zone of the second level；I-th+2 row is
Next row of the i+1 row；The i successively value be 1,2,, N；
Step 5：Step 3 is repeated to step 4.
For the present invention by design twin-stage data buffer zone and using the method for data pre-storage storage, the physics shifted from data is logical
The bus transfer movement for carrying out cutting isolated data on road biases output action with the real-time triggerings of data, allows first order data buffering
Area is triggering bias action service in real time, allows second level data buffer zone to be bus data Communications service, to realize data
Bus transfer and data real-time refreshing can parallel synchronous executes in time in the form of dual-thread, basic thought is a kind of
The control algolithm traded space for time, this method effectively increase the real-time of control program data processing；It is verified through production,
Using the double jacquard warp three-dimensional jacquard weave footwear material production speed of two-needle bar of the invention up to 450r/min, relative to original
System production speed promotes about 30%.
Embodiment two
The present embodiment provides a kind of tricot machines with double Jacquard real-time control methods and device, described device includes：
Memory module, monitoring modular and control module；
The memory module is used to store four biased datas of jacquard flower of the i-th row and i+1 row, the i according to
Secondary value is 1,2,, N, N is that double Jacquard weavings spend high course count；
The monitoring modular is used to monitor the angle change of tricot machine main shaft being rotated in the technique row period；
The control module is used to detect that main shaft angle reaches the first trigger angle, the second triggering in the monitoring modular
When angle, third trigger angle and four trigger angles, controls the memory module and be sequentially output corresponding jacquard flower four times
Biased data, and four biased datas of jacquard flower in memory module described in real-time update.
Optionally, the memory module includes：
First storage unit and the second storage unit；
First storage unit is used to store four biased datas of jacquard flower of i-th row；
Second storage unit is used to store four biased datas of jacquard flower of the i+1 row.
Optionally, the control module controls the memory module and is sequentially output four biasing numbers of corresponding jacquard flower
According to, and four biased datas of jacquard flower in memory module described in real-time update, including：
Detect that main shaft angle reaches the first trigger angle, the second trigger angle, third Trigger Angle in the monitoring modular
When degree and four trigger angles, first storage unit controlled in the memory module is sequentially output corresponding jacquard flower
Four biased datas；
After four biased datas of jacquard flower in first storage unit all export, when front row counts
Add 1, four biased datas of jacquard flower in second storage unit are moved into and covers in first storage unit；It will
Four biased datas of jacquard flower of i-th+2 row are sent in second storage unit.
It is described that four biased datas of jacquard flower of i-th+2 row are sent in second storage unit, and it is described
It controls first storage unit in the memory module and is sequentially output four biasing numbers of the corresponding jacquard flower of i+1 row
According to executing parallel in time.
In practical applications, double Jacquard control devices include MCU control panel, slot backboard and Jacquard driving plate；
Wherein, there are DC24V and DC200V power interface, 17 board in circuit board slot, transmission in parallel each on the slot backboard
The backboard bus of controls slot power and signal, fixed first board in circuit board slot being plugged in close to power interface of MCU control panel,
16 board in circuit board slot of remaininging are respectively used to 16 pieces of Jacquard driving plates of inserting；MCU control panel includes bus interface module, axial coding
Device angle signal input module, the MCU control module programmed with CPLD hardware language；Jacquard driving plate directly drives Jacquard guide
Needle block.
The MCU control panel is received the jacquard flower sent from upper industrial personal computer by bus interface module and biases number
According to, and the tricot machine main shaft angle variation that real-time monitoring is inputted by spindle encoder angle signal input module, it exports in real time
Jacquard biased data gives backboard bus, with the biasing shape for the Jacquard yarn guide needle block that all Jacquard driving plates of fast refresh are driven
State.
Tricot machine MCU of double Jacquard real-time control methods in the form of hardware language program on MCU control panel
Circulation executes in control module.
As shown in Figures 2 and 3, the present embodiment also provides a kind of tricot machine double Jacquard real-time control methods, implementation steps
It is as follows：
Step 1：It preloads when four biased datas of front row jacquard flower are into first order data buffer zone；It preloads
For four biased datas of jacquard flower of second row into second level data buffer zone, second row works as front row to be described
Next row；
Step 2：The angle change being rotated in the technique row period for monitoring tricot machine main shaft, respectively in main shaft angle
When reaching the first trigger angle, the second trigger angle, third trigger angle and four trigger angles, first order data will be located at and delayed
Four biased datas of the jacquard flower rushed in area are sequentially output, to refresh Jacquard sley point bias state；
Step 3：The moment is completed in the 4th jacquard flower's biased data output in first order data buffer zone, currently
Count is incremented for row, and four biased datas of jacquard flower in the data buffer zone of the second level are moved into and cover first order data
Buffer area, after starting bus data communication thread, program main flow goes to step 2；
Step 4：The bus data communication succession of starting is completed before program main flow reaches step 3 by the i-th+2 cross
Four biased datas of jacquard flower of column voluntarily terminate after being sent in the data buffer zone of the second level；I-th+2 row is institute
State next row of i+1 row；The i successively value be 1,2,, N；
Step 5：Step 3 is repeated to step 4.
Wherein, the first order data buffer zone and the second level data buffer zone respectively include four data storages
Area, respectively successively to store four biased datas in every row jacquard flower information.
The technique row period in step 2 is the swing circle namely two-needle bar pair that two-needle bar main shaft turns over one 360 °
Jacquard warp during weaving a row, two Jacquard sley bars preceding needle bed with it is complete with needle back before the needle of rear needle bed
At the basic weaving cycle of a bias action.
The first trigger angle, the second trigger angle, third trigger angle and the 4th trigger angle in step 2, are Jacquards
Sley bar is in a basic weaving cycle of the double jacquard warps of two-needle bar, using main shaft zero-bit as start angle, before corresponding
Angle of eccentricity before the preceding angle of eccentricity of needle bed needle, preceding needle bed needle back angle of eccentricity, rear needle bed needle back angle of eccentricity, rear needle bed needle.
Four biased datas of jacquard flower in the data buffer zone of the second level are moved into and cover first order data buffer zone
In and continue to execute step 2, tricot machine main shaft is constantly in rotary course, i.e. four biasing numbers of the i-th+2 row jacquard flower
According to bus communication transmission, the bias state of output and Jacquard sley point with four biased datas of i+1 row jacquard flower
Refresh, practical on the time is concurrently to execute.
When the value range of front row spends high course count N to double Jacquard weavings for 1, if when front row value is equal to double
When Jacquard weaving flower high level N, then i+1 row is the first row of double Jacquard weavings.
Specifically, in the actual production process：
Step1：Before tricot machine starting, flower pattern load is completed in main shaft angle zero degree region as shown in Figure 1, to control
It is preloaded in device processed when front row (being assumed to be the 1st row) four biased datas of jacquard flower are in first order data buffer zone R1
In, four biased datas of jacquard flower when the lower row of front row (being then the 2nd row) are preloaded in second level data buffering
In area R2；
Step2：Starting tricot machine starts to produce, and monitors the angle, θ value of main shaft being rotated in each technique row period
The variation moment；
Step3：The increase for monitoring tricot machine main shaft angle θ, when main shaft angle reaches the first trigger angle θ 1, by first
The first time Jacquard biased data that first data storage area R1.0 is saved in grade buffer area R1 is exported into register R0, in R0
Data data refresh the bias state of Jacquard sley point immediately；
Step4：The increase for continuing to monitor tricot machine main shaft angle θ will when main shaft angle reaches the second trigger angle θ 2
Second of Jacquard biased data that second data storage area R1.1 is saved in the R1 of first order buffer area is exported into register R0,
Data data in R0 refreshes the bias state of Jacquard sley point immediately；
Step5：The θ for monitoring tricot machine main shaft angle increases, when main shaft angle reaches third trigger angle θ 3, by first
The third time Jacquard biased data output that third data storage area R1.2 is saved in grade buffer area R1, to refresh Jacquard sley point
Bias state；
Step6：The θ for monitoring tricot machine main shaft angle increases, when main shaft angle reaches the 4th trigger angle θ 4, by first
The 4th Jacquard biased data output that fourth data memory block R1.3 is saved in grade buffer area R1, to refresh Jacquard sley point
Bias state；
Step7：After the 4th refreshing Jacquard sley point bias state, control program will be considered that the volume of a technique row
Knitting all terminates, then current course count adds one in system, is triggered using the increased rising edge of course count, by second level data
Data in the R2 of buffer area in four data storage area R2.0~R2.3 are all disposably squeezed into and cover first order data buffering
Corresponding four data storage area R1.0~R1.3 in area；
Step8：After data squeeze into first order data buffer zone R1 in by second level data buffer zone R2, starting is total immediately
Line number is according to communication thread, will (be then the 3rd cross when lower two row of front row before system control process reaches step7 again
Column) four biased datas of jacquard flower be sent in the R2 of second level data buffer zone after, bus data communication thread is voluntarily tied
Beam；
Step9：Step3 is repeated to Step8；
Respectively by four data storage areas in first order buffer area R1 and second level buffer area R2 in the Step1
R1.0, R1.1, R1.2, R1.3 and R2.0, R2.1, R2.2, R2.3 are constituted, and the size of each data storage area is 64 bytes；Point
Not successively to store four biased datas in the every row jacquard information of double jacquard warp-knitting jacquard weaves；
Each technique row period in the Step2, as shown in Figure 1, turning over 360 ° of rotations for two-needle bar main shaft
Period is the double jacquard warps of two-needle bar during weaving a row, and two Jacquard sley bars are in preceding needle bed and rear needle
The basic weaving cycle an of bias action is completed before the needle of bed with needle back；
First trigger angle θ 1, second trigger angle θ 2, third trigger angle θ 3, fourth of the Step3 into Step6
Trigger angle θ 4, as shown in Figure 1, being Jacquard sley bar in a basic weaving cycle of the double jacquard warps of two-needle bar, with master
Axis zero-bit is start angle, the preceding angle of eccentricity of corresponding preceding needle bed needle, preceding needle bed needle back angle of eccentricity, the biasing of rear needle bed needle back
Angle of eccentricity before angle, rear needle bed needle；
Four data in second level data buffer zone R2 all covering first order data buffer zone R1 can be used in Step7
Memory block is to have become invalid data because its total data had been exported in Step3 into Step6 once；
While executing, the rotation of tricot machine main shaft is not off Step8, when two rows (the 3rd row) under front row
The bus communication of Jacquard biased data transmits, with the output and merchant for working as the lower row of front row (the 2nd row) Jacquard biased data
The state of card sley point refreshes, and is concurrently performed simultaneously on the time；
Step9 is during repeating Step3 to Step8, when the value range of front row is 1 to double Jacquard weavings
Spend high course count, if when front row value be equal to art flower high level, when the lower row of front row be the first row of technique.
As shown in figure 4, the tricot machine double Jacquard real-time control apparatus, including one piece of MCU control panel, 1, one piece of slot
2,16 pieces of Jacquard driving plates of backboard constitute 3, wherein have DC24V power interface 201 and DC200V power interface on slot backboard 2
202,17 board in circuit board slot 203, the backboard bus 204 in parallel for transmitting each controls slot power and signal, MCU control panel 1 is fixed to be inserted
Loaded on first board in circuit board slot 2030 close to power interface, remaining 16 board in circuit board slot is respectively intended to 16 pieces of Jacquards of inserting
Driving plate 3；MCU control panel 1 includes bus interface module 101, spindle encoder angle signal input module 102, hard with CPLD
The MCU control module 100 of part Programming with Pascal Language；16 pieces of Jacquard driving plates 3 directly drive 32 pieces of Jacquard yarn guide needle blocks.
The MCU control panel 1 is received the Jacquard sent from upper industrial personal computer by bus interface module 101 and biases number
According to, and the tricot machine main shaft angle variation that real-time monitoring is inputted by spindle encoder angle signal input module 102, it is in due course defeated
Jacquard biased data quickly transmits all Jacquard driving plate biased datas by backboard bus 204 to backboard bus 204 out,
Refresh the bias state for 32 pieces of Jacquard yarn guide needle blocks that 16 pieces of Jacquard driving plates 3 are driven in real time；
MCU control module of the control method provided by the present invention in the form of hardware language program on MCU control panel 1
Circulation executes in 100；
For the present invention by design twin-stage data buffer zone and using the method for data pre-storage storage, the physics shifted from data is logical
The bus transfer movement for carrying out cutting isolated data on road biases output action with the real-time triggerings of data, allows first order data buffering
Area is triggering bias action service in real time, allows second level data buffer zone to be bus data Communications service, to realize data
Bus transfer and data real-time refreshing can parallel synchronous executes in time in the form of dual-thread, basic thought is a kind of
The control algolithm traded space for time, this method effectively increase the real-time of control program data processing；The present invention is also logical
The real-time for ensuring the control of raising system in the hardware supported of program operation is crossed, control program is retouched using the hardware based on HDL
Programming with Pascal Language is stated, communication bus selects the G_Link bus of 2Mbps to support, each double Jacquard control devices at most only control 16 pieces
Jacquard driving plate all guarantees to cooperate with multiple control devices on the basis of limited data space and data-handling capacity
It concurrently executes, to guarantee the realtime control of whole system and the raising of speed of production；It is verified through production, using pair of the invention
The double jacquard warp three-dimensional jacquard weave footwear material production speed of needle bed are mentioned up to 450r/min relative to original system speed of production
Rise about 30%.
Part steps in the embodiment of the present invention, can use software realization, and corresponding software program can store can
In the storage medium of reading, such as CD or hard disk.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of double Jacquard real-time control methods of tricot machine, which is characterized in that the method includes：
Step 1：It preloads when four biased datas of front row jacquard flower are into first order data buffer zone；Preload second
Four biased datas of jacquard flower of row are into second level data buffer zone；Note is described when front row is the i-th row, and described the
Two rows are i+1 row；The i successively value be 1,2,, N, N is that double Jacquard weavings spend high course count；
Step 2：The angle change of tricot machine main shaft being rotated in the technique row period is monitored, is reached respectively in main shaft angle
When the first trigger angle, the second trigger angle, third trigger angle and four trigger angles, first order data buffer zone will be located at
In four biased datas of jacquard flower be sequentially output, to refresh Jacquard sley point bias state；
Step 3：The moment is completed in the 4th jacquard flower's biased data output in first order data buffer zone, works as front row
Count is incremented, and four biased datas of jacquard flower in the data buffer zone of the second level are disposably all moved into and cover first
Grade data buffer zone, after starting bus data communication thread, program main flow goes to step 2；
Step 4：The bus data communication thread having been turned on is completed before program main flow reaches step 3 by the i-th+2 row
Four biased datas of jacquard flower be sent in the data buffer zone of the second level after voluntarily terminate；
Step 5：Step 3 is repeated to step 4.
2. the method according to claim 1, wherein the first order data buffer zone and the second level data
Buffer area respectively includes four data storage areas, respectively successively to store four biasing numbers in every row jacquard flower information
According to.
3. the method according to claim 1, wherein the technique row period in the step 2 is two-needle bar master
The swing circle namely the double jacquard warps of two-needle bar that axis turns over one 360 ° are during weaving a row, two merchants
Card sley bar completes the basic weaving cycle an of bias action before the needle of preceding needle bed and rear needle bed with needle back.
4. the method according to claim 1, wherein the first trigger angle, the second triggering in the step 2
Angle, third trigger angle and the 4th trigger angle are a basic braiding of the Jacquard sley bar in the double jacquard warps of two-needle bar
In period, using main shaft zero-bit as start angle, angle of eccentricity before corresponding preceding needle bed needle, preceding needle bed needle back angle of eccentricity, after
Angle of eccentricity before needle bed needle back angle of eccentricity, rear needle bed needle.
5., will be in the data buffer zone of the second level the method according to claim 1, wherein in the step 3
Four biased datas of jacquard flower move into and cover in first order data buffer zone and continue to execute step 2, tricot machine main shaft one
Directly in rotary course, i.e. the bus communication of four biased datas of the i-th+2 row jacquard flower transmits, and goes into business with i+1 row
The output of four biased datas of card jacquard weave and the bias state of Jacquard sley point refresh, and practical on the time is concurrently to execute.
6. the method according to claim 1, wherein when the value range of front row is 1 to double Jacquard weavers
Skill spends high course count, if i+1 row is that double Jacquards are compiled when front row value is equal to double Jacquard weaving flower high level N
First row of weaving process.
7. a kind of double Jacquard real-time control apparatus of tricot machine, which is characterized in that described device includes：
Memory module, monitoring modular and control module；
The memory module is used to store four biased datas of jacquard flower of the i-th row and i+1 row, and the i successively takes
Value for 1,2,, N, N is that double Jacquard weavings spend high course count；
The monitoring modular is used to monitor the angle change of tricot machine main shaft being rotated in the technique row period；
The control module is used to detect that main shaft angle reaches the first trigger angle, the second Trigger Angle in the monitoring modular
When degree, third trigger angle and four trigger angles, controls the memory module and be sequentially output corresponding jacquard flower four times partially
Data are set, and four biased datas of jacquard flower in memory module described in real-time update.
8. device according to claim 7, which is characterized in that the memory module includes：
First storage unit and the second storage unit；
First storage unit is used to store four biased datas of jacquard flower of i-th row；
Second storage unit is used to store four biased datas of jacquard flower of the i+1 row.
9. device according to claim 8, which is characterized in that the control memory module is sequentially output corresponding merchant
Four biased datas of card jacquard weave, and four biased datas of jacquard flower in memory module described in real-time update, including：
The monitoring modular detect main shaft angle reach the first trigger angle, the second trigger angle, third trigger angle and
When four trigger angles, first storage unit controlled in the memory module is sequentially output corresponding jacquard flower four times
Biased data；
After four biased datas of jacquard flower in first storage unit all export, when count is incremented for front row,
Four biased datas of jacquard flower in second storage unit are moved into and are covered in first storage unit；By i-th+
Four biased datas of jacquard flower of 2 rows are sent in second storage unit.
10. device according to claim 9, which is characterized in that described four biasing numbers of jacquard flower by the i-th+2 row
According to being sent in second storage unit, it is sequentially output with first storage unit in the control memory module
I+1 row four biased datas of corresponding jacquard flower execute parallel in time.
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| CN113789605A (en) * | 2021-08-06 | 2021-12-14 | 武汉纺织大学 | Warp knitting jacquard product knitting method of three-station jacquard |
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