CN104111624B - Weaving device and machine control apparatus control system, control device - Google Patents
Weaving device and machine control apparatus control system, control device Download PDFInfo
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- CN104111624B CN104111624B CN201410267506.9A CN201410267506A CN104111624B CN 104111624 B CN104111624 B CN 104111624B CN 201410267506 A CN201410267506 A CN 201410267506A CN 104111624 B CN104111624 B CN 104111624B
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Abstract
The invention discloses a kind of Weaving device and machine control apparatus control system, control device, the Weaving device includes frame, control device, head and pin zero testing system；The control device includes main control board, and the head includes machine head plate, and the pin zero testing system includes sensor, signal wire and induction pieces；Wherein, the sensor is arranged on the head, and connects the machine head plate by the signal wire, and the machine head plate connects the main control board, and the induction pieces are arranged in the frame.By the above-mentioned means, the present invention can improve the degree of accuracy of pin zero testing, the yield of textile is effectively improved.
Description
Technical field
The present invention relates to machine control technical field, particularly a kind of Weaving device and machine control apparatus control system, control device.
Background technology
Weaving device such as knitting machine etc. is the equipment for knitted or woven fabrics, and it mainly includes power circuit, operating case, master control
Circuit board, head, motor and the lathe for installing said elements.
Head includes the machine head plate and executive component for weaving.Motor includes the cephalomotor head motor of driving machine, drives
Dynamic device includes the servo-driver of driving head motor.Head is arranged on lathe by slide rail, and core board is via secondary main frame core
Instruction is sent to servo-driver by piece, and servo-driver then drives head motor to operate, and then drives head straight on slide rail
Back and forth movement.To ensure that the executive component such as eedle position for being used for weaving strands on head is accurate, Weaving device
It is upper general also to include pin zero testing system, including the head stroke end being arranged on lathe sensor and be arranged on head
Induction pieces.Induction pieces on head with other elements without carrying out signal connection, and the sensor on lathe then needs to pass through
A longer signal wire is connected to secondary host chip.Secondary host chip is received after transducing signal, will be controlled according to transducing signal
Signal processed is sent to the servo-driver of head motor.
Pass through the above method, although the signal that can collect the sensor on lathe passes to secondary host chip, but
It is due to that sensor is placed on lathe, when being that secondary main frame is attached, required signal wire is long, it is easily dry by the external world
Disturb and bring loss of signal, after loss of signal, cause the signal that secondary host chip receives to be forbidden, and further core board according to
The inaccurate signal message that secondary main frame is sent does the judgement made mistake, and the instruction of mistake is sent to head, and due to signal wire
It is long, it is also possible to also bring along the delay of signal.And due to Weaving device textile operation must it is reliable and stable, accurate,
In real time, thus, precision, the good degree of the instruction of mistake and the very possible influence product of wrong operation that brings cause textile
The increase of fraction defective.
The content of the invention
Object of the present invention is to provide a kind of Weaving device and machine control apparatus control system, drive device, Neng Gouti
The degree of accuracy of principle of readjustment, restructuring, consolidation and improvement zero testing, improves the yield of textile.
In order to solve the above-mentioned technical problem, a kind of technical scheme that the present invention is used is to provide a kind of Weaving device, wraps
Include：Frame, control device, head and pin zero testing system；
The control device includes main control board, and the head includes machine head plate, and the pin zero testing system includes
Sensor, signal wire and induction pieces；
Wherein, the sensor is arranged on the head, and connects the machine head plate by the signal wire, described
Machine head plate connects the main control board, and the induction pieces are arranged in the frame；
Wherein, the main control board includes bottom plate and the secondary host chip being arranged on bottom plate, the secondary host chip
It is connected by serial port protocol with the machine head plate.
Wherein, the packet of encapsulation is transferred through between the secondary host chip and the machine head plate by serial port protocol,
And the packet is verified in the receiving terminal of the packet, does not require that transmitting terminal is retransmitted if if verification.
Wherein, the secondary host chip or the machine head plate carry out verification to the packet is included to the packet sheet
Body is verified and the incidence relation between the packet is verified, described to carry out school in itself to the packet
Test and/or the incidence relation between the packet is verified not by being judged as that verification does not pass through, the packet
Between incidence relation pre-define.
Wherein, it is described that the packet is carried out verifying in itself to include the even-odd check of the packet, it is described to described
Incidence relation between packet, which carries out verification, includes judging identifying whether as even entrained by the adjacent packet received
Continuous mark, is judged as not passing through if discontinuous.
Wherein, the encapsulation of the packet includes encapsulation header portion and encapsulation afterbody, and the encapsulation head includes at least three
Identify character, the significant character in the packet is 14,14 significant characters include 8 characters control data and
The command code of 6 characters.
Wherein, the machine head plate is the passive executive component of textile operation, and the secondary host chip is the master of textile operation
Dynamic executive component, the transmission rate of the serial port protocol is more than 5M.
Wherein, the serial port protocol is one kind in RS485, RS422 or RS232.
Wherein, the Weaving device includes the core being connected with the secondary host chip independent separate and by general-purpose interface
Plate, during at least sending a packet by usb protocol between the core board and the secondary host chip, described
At least two are carried in packet between core board and the secondary host chip to instruct.
Wherein, before at least sending a packet between the core board and the secondary host chip by usb protocol,
Described at least two are instructed on the usb protocol using self-defined tunneling and is encapsulated as a packet, and
When receiving the packet between the core board and the secondary host chip, using corresponding with the self-defined tunneling
Self-defined analysis protocol intercepts out at least two finger in the packet between the core board and the secondary host chip
Order.
Wherein, the Weaving device includes the I/O expansion board being detachably connected on the main control board.
Wherein, the Weaving device includes the stepper motor driver being arranged on the main control board, the stepping
Motor driver includes driving chip and power driving circuit, and the driving chip connects the secondary host chip and power respectively
Drive circuit, the driving chip inputs the control signal of the secondary host chip, output multi-channel drive signal to the power
Drive circuit, and by feedback signal back to the secondary host chip, the secondary host chip according to the feedback signal come
The control signal is exported, and match parameter is exported to the driving chip.
In order to solve the above-mentioned technical problem, the present invention is to provide a kind of control of machine control equipment using another technical scheme
System processed, including：
Circuit, actuation element and active sensing element are controlled, the active sensing element is relative with the actuation element
It is fixed, or be relatively fixed with the start object of the actuation element；
Wherein, the start object is to be relatively fixed with the actuation element, and as the actuation element occurs relatively
The element of motion；
The control circuit connects the actuation element and the active sensing element respectively, and the active sensing element exists
When the actuation element or its start object run to predetermined physical position, sense the predetermined physical position and produce position letter
Number, and send to the control circuit；
Wherein, the control circuit is connected by serial port protocol with the actuation element.
Wherein, including the passive sensing element of the predetermined physical position is arranged at, the active sensing element reaches institute
The passive sensing element is sensed when stating predetermined physical position and the position signalling is produced.
Wherein, the active sensing element and passive sensing element belong to the pin zero testing system of Weaving device, described
Control circuit, actuation element are secondary host chip, the head of the Weaving device respectively, and the start object is that the weaving is set
Eedle on standby head；
The active sensing element is connected to the secondary host chip by the machine head plate on the head.
Wherein, the packet of encapsulation is transferred through between the secondary host chip and the machine head plate by serial port protocol,
And the packet is verified in the receiving terminal of the packet, does not require that transmitting terminal is retransmitted if if verification.
Wherein, it is described that verification is carried out to the packet including being verified in itself to the packet and to described
Incidence relation between packet is verified, it is described the packet is verified in itself and/or to the packet it
Between incidence relation verified not by being judged as that verification does not pass through, the incidence relation between the packet is fixed in advance
Justice.
In order to solve the above-mentioned technical problem, the further embodiment that the present invention is used is to provide a kind of drive of machine control equipment
Dynamic device, including：
Substrate, first interface, second interface and drive circuit, the second interface are serial ports, USB interface or channel radio
Believe interface；
The drive circuit, first interface and second interface are arranged on the substrate, and the drive circuit connects respectively
The first interface and second interface are connect, the actuation element for driving the machine control equipment；
The second interface is used for the drive device for connecting machine control equipment, and the first interface, which is used to connect, actively senses member
Part, the active sensing element is relatively fixed with the actuation element, or is relatively fixed with the start object of the actuation element；
Wherein, the start object is to be relatively fixed with the actuation element, and as the actuation element occurs relatively
The element of motion；
Wherein, the second interface is additionally operable to input position signal, and the position signalling is that the active sensing element exists
When the actuation element or its start object run to predetermined physical position, sense the predetermined physical position and produce.
Wherein, the machine control equipment is Weaving device, and the actuation element is the executive component of head, the drive circuit
Verified in itself and between the packet for receiving the packet from the serial ports, and to the packet
Incidence relation verified, it is described the packet is verified in itself and between the packet association close
System carries out any one of verification not by being judged as that verification does not pass through, and send retransmission instructions to the serial ports, the packet
Between incidence relation pre-define.
The beneficial effects of the invention are as follows：The situation of prior art is different from, sensor is arranged on head by the present invention, and
Machine head plate and main control board are connected by signal wire, the data that sensor is gathered can not only be made more in real time, accurately, and
Sensor can be reduced to the physical run of main control board, the interference in signals transmission and loss of signal is reduced, have
The increase of effect reduction textile fraction defective.
Brief description of the drawings
Fig. 1 is the system structure diagram of the embodiment of Weaving device one of the present invention；
Fig. 2 is the system structure diagram of another embodiment of Weaving device of the present invention；
Fig. 3 is the partial circuit diagram that the present invention is Weaving device in Fig. 2；
Fig. 4 is the system structure diagram of the another embodiment of Weaving device of the present invention；
Fig. 5 is the structural representation of the embodiment of control system one of machine control equipment of the present invention；
Fig. 6 is the structural representation of the embodiment of drive device one of machine control equipment of the present invention.
Embodiment
Refering to Fig. 1, the system structure diagram of the embodiment of Weaving device one of the present invention.
The Weaving device of present embodiment includes control device 101, head 102, frame 106 and pin zero testing system
System, the control device 101, which includes main control board 1011, head 102, includes machine head plate 1021, the pin zero testing system
Including sensor 103, signal wire 107 and induction pieces 104.
Wherein, the sensor 103 is arranged on the head 102, and connects the machine by the signal wire 107
Head plate 1021, the machine head plate 1021 connects the main control board 1011, and the induction pieces 104 are arranged at the frame 106
On.
Specifically, sensor 103 with the induction pieces in frame 106 by cooperating, and sensor 103 reaches described
The induction pieces 104 are sensed during predetermined physical position and produces institute's bit signal and obtains head work state information.Afterwards, sense
Device 103 transmits above-mentioned head status information to machine head plate 1021 by signal wire, and machine head plate 1021 again will be upper by signal wire
State work state information and be sent to main control board 1011.Main control board 1011 is according to the head work state information received
It is determined that the working condition of current head 102, the further working condition for determining eedle on head, and believed according to the state of eedle
Breath issue next instruction information.
Because sensor 103 and machine head plate 1021 are all located on head 102, thus physical distance is relatively short, it is preferable that
Pass through serial communication between sensor 103 and machine head plate 1021.In other embodiments, usb communication can also be used.
In other embodiments, induction pieces 104, which could alternatively be other, has the object of inductive effect, can also be not required to
Induction pieces 104 are wanted, as long as sensor 103 can collect data.
In one of embodiment of the present invention, Weaving device includes the distributed first circuit board and second set
AC/DC change-over circuits are provided with circuit board, wherein first circuit board, AC/DC change-over circuits change the alternating voltage of reception
Into the first DC voltage, first circuit board and second circuit board are respectively arranged with DC/DC change-over circuits, the first DC voltage difference
Supply to the DC/DC change-over circuits on first circuit board and second circuit board, and needed for DC/DC change-over circuits are converted into each
The second DC voltage.By the way that with upper type, the present invention can avoid additionally setting power supply assembly, greatly reduce supply line
Complexity.
In the other in which embodiment of the present invention, also provide in Weaving device between at least two action elements
Poewr control method, this method includes：The control system of at least two action elements is controlled to obtain control instruction；Parsing control refers to
Whether order is used to control at least two action elements to perform action simultaneously within least part time；If control instruction is used to control
At least two action elements are acted simultaneously, then the execution time of the action of at least two action elements offset one from another, made simultaneously
The implementation effect for obtaining at least two action elements meets requirement.By the way that with upper type, embodiment of the present invention can be avoided at least
Actual power two action elements are acted simultaneously when is excessive, and power consumption is greatly reduced, especially for controlling the size simultaneously
Under the scene of more action element, power savings are particularly evident.
The situation of prior art is different from, sensor is arranged on head by present embodiment, and is connected by signal wire
Adapter plate and main control board, can not only make the data that sensor is gathered more in real time, accurately, and can reduce sensor
To the physical run of main control board, the interference in signals transmission and loss of signal are reduced, it is possible to increase pin zero-bit is examined
The degree of accuracy of survey, effectively improves the yield of textile.
In another embodiment, as shown in Fig. 2 Fig. 2 is the system knot of another embodiment of Weaving device of the present invention
Structure schematic diagram.
The Weaving device 200 of present embodiment includes control device 201, head 202, sensor 203, sensing chip 204, machine
First 202 are arranged on slide rail 205, can be slided along slide rail 205.Sensor 203 is arranged on head 202, with being arranged on frame
Induction pieces 204 on 206 coordinate, and sense the induction pieces 104 when reaching the predetermined physical position and produce institute's bit signal,
And then gather the status information of head.Head 202 includes machine head plate 2021, and control device 201 includes master control.Shown, Fig. 3 is this
The partial circuit diagram of Weaving device in Invention figure 2.
HEAD_ZR ports are the output ends of the signal of sensor 201, and HZ ports are the companies of sensor 203 and machine head plate 2021
End is connect, when sensor 203 collects the physical location of head 202 or state changes, the state of corresponding HZ ports can be sent out
Changing, machine head plate 2021 inquires about the state of the HZ ports of sensor 203 by serial ports timing, once HZ ports are changed, machine
The positional information that head plate 2021 actively collects sensor 203 by serial ports is transferred to control device 201.Control device 2011
Different processing actions are made according to positional information.
Specifically, the state transfer of head 202 is given secondary host chip 20111 by machine head plate 2021.In the present embodiment,
Machine head plate 2021 is the passive executive component of textile operation, and the secondary host chip 20111 is that the active of textile operation performs member
Part.
Preferably, communicated between machine head plate 2021 and secondary host chip 20111 by serial port protocol.
Preferably, the transmission rate of serial port protocol is reached in 5M.
Preferably, the serial port protocol is one kind in RS485, RS422 or RS232.It should be noted that this implementation
A kind of agreement in mode in used RS485, RS422 or RS232 is all improved, by adding custom protocol
Later agreement.
When transmitting information between secondary host chip 20111 and machine head plate 2021, first the information for needing to transmit is packaged
Into packet, the encapsulation of packet includes encapsulation header portion and encapsulation afterbody, it is preferable that the encapsulation head includes at least three marks
Character learning symbol, for being identified to wrapper, encapsulation head, which includes at least three mark characters, can further enhance wrapper
Uniqueness, the secondary host chip 20111 of enhancing or machine head plate 2021 are to the recognition capability of wrapper, but the mark on encapsulation head
Character is not limited to 3 characters, and the mark character of other character quantities is also included in other embodiments.In the data
Significant character is 14, and 14 significant characters include the control data of 8 characters and the command code of 6 characters.Command code
To transmit the control word of data, the signal type of transmission is defined, control data is the specific information data of transmission.Its
In, control data can be compatible with the progress of other agreements from 8 characters, such as existing RS485, RS422 or RS232 agreement,
It is easy to the transmission of information.Encapsulate the end mark that afterbody is wrapper.
Secondary host chip 20111 carries out full-duplex communication to transmit data wrapper with machine head plate 2021, with machine head plate
Exemplified by 2021 send data envelope packet toward secondary host chip 20111, first packet is encrypted for machine head plate 2021, then leads to
Cross customized agreement and send data packets to secondary host chip.Secondary host chip 20111 receives the transmission of machine head plate 2021
Packet is verified, and whether determine wrapper is effective data packets.
Specifically, secondary host chip 20111 includes verifying packet in itself and to the association between packet
Relation is verified, and carrying out verification in itself to packet includes secondary host chip 20111 first by the packet received decapsulation,
Whether the data type then received according to the mark character determination of 3, packet encapsulation head is the data type needed, so
Afterwards, the control word and control data further to packet judge, it is determined whether be correct effective information, judge whether
Include judging whether control word matches with control data for the method for valid data, and whether control data is set in advance
In the range of.
Incidence relation between packet is carried out to judge to include determining whether packet and previous packet are continuous, than
Such as judge that the entrained of former and later two packets identifies whether mutually to link up.It is specifically coherent to be by judging Identifier Sequence Number
No is the natural number within 0~255, in embodiments thereof, and effectively continuous mark can also be regular for any one group
And the identifier that secondary host chip 20111 and machine head plate 2021 can be recognized, wherein, the incidence relation between packet is fixed in advance
Justice.
In another embodiment, secondary host chip 20111 also includes strange to packet to the verification of packet in itself
The verification of idol.
Determine to receive when secondary host chip 20111 determines that packet is correct and associated between other packets in itself
The packet arrived is effective data packets, otherwise, as long as there is a verification not pass through, that is, judges that the verification to above-mentioned packet is obstructed
Cross.
Accordingly, when secondary host chip 20111 transmits data to machine head plate 2021, machine head plate 2021 is using identical school
Proved recipe method is verified to packet.
Secondary host chip 20111 determines the packet received when being effective data packets, the further root of control device 201
According to the current working condition of the acquisition of information head of packet, and provide according to the current working condition of head the work of next step
Instruction.
Specifically, Fig. 4 please be participate in, Fig. 4 is the structural representation of the another embodiment of Weaving device of the present invention, this embodiment party
The Weaving device of formula also includes the core board being connected with the secondary independent separate of host chip 20111 and by general-purpose interface
2012, the mistake of a packet is at least sent between the core board 2012 and the secondary host chip 20111 by usb protocol
At least two are carried in Cheng Zhong, the packet between the core board and the secondary host chip to instruct.
Wherein, at least sent before a packet, used by usb protocol between core board and the secondary host chip
Described at least two instructions are encapsulated as a packet by self-defined tunneling on the usb protocol, and are being received
During to packet between the core board and the secondary host chip, made by oneself using corresponding with the self-defined tunneling
Adopted analysis protocol intercepts out at least two instruction in the packet between the core board and the secondary host chip.
Prior art is different from, the difference of present embodiment and previous embodiment is, the spinning in present embodiment
Knitting plant control unit includes main control board, and main control board includes substrate and setting and the secondary host chip on substrate.
The information such as the Handpiece Location information collected are passed and are sent to secondary host chip by sensor by the machine head plate on head, wherein,
Communicated between secondary host chip and head by serial port protocol, secondary host chip or head are sent receiving other side
Packet after, packet is verified, only the packet is verified in itself and to the packet it
Between association carry out after verification passes through, just determining that the packet being currently received is effective data packets, and then do according to packet
Go out next step action.The transmission route antijamming capability of this mode is protruded, stable, can effectively strengthen machine head plate and secondary main frame
Communication reliability between chip, thus it is guaranteed that the signal that sensor is collected stable and accurate can be transferred to secondary host chip,
Host chip is further sent to by secondary host chip, it is ensured that accurate alignment operation, reduces the increase of textile fraction defective.
In another embodiment, the Weaving device in present embodiment also includes being detachably connected the governor circuit
I/O expansion board on plate.The I/O expanded circuits of auxiliary connection host chip, the I/O expanded circuits include I/O extended chips and
At least two ECP Extended Capabilities Ports and, the I/O extended chips connect the secondary host chip and at least two extension respectively
Port.Wherein, the formation of I/O expanded circuits is in I/O expansion board.
Preferably, the I/O extended chips of I/O expansion board pass through I2C data line is detachably connected the main control board
Secondary host chip, to realize the communication between secondary host chip, specifically includes the speed governing for realizing Yarn feeder motor, secondary roller electricity
Rotating, speed governing, the rotating of folding motor, speed governing of machine etc..The Weaving device also includes the panel for setting power supply, institute
I/O expansion board is stated to be arranged on the panel.
It is pointed out that in other embodiments, the I/O extended chips of I/O expansion board can also be connected by other
The mode of connecing realizes the connection between secondary host chip, is not limited herein.
In another embodiment, I/O expansion board can also be I/O pinboards, be connected with main control board, carrying master
Circuit board at least part I/O interface functions are controlled, it includes including the 3rd at least first interface and second interface, main control board
The 3rd interface on interface, main control board is connected with the first interface in secondary host chip, expansion board respectively, in expansion board
First interface connection second interface, and first interface and second interface between have mapping relations, second interface be used for it is outer
If connection.
Prior art is different from, the distinctive points of present embodiment and previous embodiment are, in present embodiment
Main control board also includes the I/O expanded circuits that are connected with secondary host chip, special service in the connection of each external equipment,
Each outside port is put together management, adaptation when facilitating the peripheral hardware to change, the extension of peripheral hardware quantity, without for each
Application scenarios design a kind of external interface of main control board.
In one embodiment, the Weaving device in present embodiment also includes being arranged on the main control board
Stepper motor driver, the stepper motor driver includes driving chip and power driving circuit, the driving chip difference
The secondary host chip and power driving circuit are connected, the driving chip inputs the control signal of the secondary host chip, defeated
Go out multi-channel drive signal to the power driving circuit, and by feedback signal back to the secondary host chip, it is described secondary main
Movement piece exports the control signal according to the feedback signal, and match parameter is exported to the driving chip.
Specifically, core board sends the weave data after parsing to secondary host chip, and secondary host chip is completed and driving
After the matching of chip, it is defeated that secondary host chip will weave the control signal that information sent to driving chip by control signal output
Enter end.Wherein, the braiding information is generally pulse signal, or other data signals, driving chip is believed by controlling
Number input is received after the braiding signal of data signal, will be woven information and is converted to driving that head can be driven to work and believes
Number, generally, the drive signal is analog signal.The drive signal output end of driving chip is transmitted drive signals to
Power circuit, further, power circuit are received after the drive signal of driving chip transmission, and drive signal is amplified,
Further according to the machine head plate work in the drive signal control head received, machine head plate drive actions element carries out braiding operation.
Accordingly, when machine head plate or the failure of other controlled devices or other abnormal conditions, driving chip is obtained
To fault message, and above-mentioned fault message is fed back to by feedback output end the feedback input end of secondary host chip, secondary main frame
Chip receives above-mentioned fault message by feedback input end, and fault message is further transmitted into core board, to treat core board
Carry out next step action.
Prior art is different from, driving chip and power circuit are placed on main control board by the utility model, its
Middle driving chip is directly connected with secondary host chip, and the transmission that can not only strengthen signal between driving chip and secondary main frame is imitated
Rate, reduces power attenuation, and reduces communication control module on the basis of existing Weaving device, further enhances biography
Defeated efficiency, reduces signal transmission attenuation, while Weaving device structure is also improved in itself, helps to cut operating costs.
Refering to Fig. 5, Fig. 5 is the structural representation of the embodiment of control system one of machine control equipment of the present invention.This embodiment party
The control system of formula includes control circuit 301, actuation element 302 and active sensing element 303, the active sensing element
303 are relatively fixed with the actuation element 302, or are relatively fixed with the start object 305 of the actuation element 302.
The control circuit 301 connects the actuation element 302 and the active sensing element 303, the active respectively
Sensing element 303 senses described predetermined when the actuation element 302 or its start object 305 run to predetermined physical position
Physical location and produce position signalling, and send to it is described control circuit 301.
The control system of present embodiment also includes the passive sensing element 304 for being arranged at the predetermined physical position, institute
State and the passive sensing element 304 is sensed when active sensing element 303 reaches the predetermined physical position and the position is produced
Signal.In other embodiments, control system can not also include passive device 304, need to only set innervation based on an energy
Element 303 is answered to provide the mark of physical location information.
Specifically, active sensing element 303 with passive sensing element 304 by being cooperated, and active sensing element 303 is arrived
The passive sensing element 304 is sensed during up to the predetermined physical position and institute's bit signal is produced, wherein, the head state
Information includes the positional information of actuation element 302 or start object 305.Afterwards, active sensing element 303 is by the information collected
Transmitted by signal wire to control circuit 301.Control circuit 301 determines current start object 305 according to the information received
Positional information, and next instruction information is issued according to above-mentioned positional information.
Wherein, shown control device is Weaving device, and the active sensing element 303 and passive sensing element 304 belong to
The pin zero testing system of Weaving device, the control circuit 301, actuation element 302 are that the pair of the Weaving device is main respectively
Movement piece, head, start object 305 are the eedles on head, and the active sensing element 303 passes through the head on the head
Plate is connected to the secondary host chip.Encapsulation is transferred through by serial port protocol between the secondary host chip and the machine head plate
Packet, and the packet is verified in the receiving terminal of the packet, does not require to send if if verification
End is retransmitted.The control device or the drive device, which carry out verification to the packet, to be included carrying out the packet in itself
Verify and the incidence relation between the packet is verified, any one of described two verifications are not by being judged as
Verification does not pass through, and the incidence relation between the packet is pre-defined.
Prior art is different from, active sensing element is arranged on head by present embodiment, and is connected by signal wire
Actuation element and and control device, can not only make data that actuation element gathers more in real time, it is accurate, and biography can be reduced
Sensor reduces the interference in signals transmission and loss of signal, effectively reduction weaving to the physical run of main control board
The increase of product fraction defective.Communicated between control device and actuation element by serial port protocol, control device or start member
Part is verified after the packet that other side sends is received to packet, is only carrying out school in itself to the packet
After testing and the association progress verification between the packet being passed through, it is significant figure just to determine the packet being currently received
Next step action is made according to bag, and then according to packet.The transmission route antijamming capability of this mode is protruded, stable, can
Communication reliability effectively between enhancing actuation element and control device, thus it is guaranteed that the signal that active sensing element is collected
It stable and accurate can be transferred to control device, it is ensured that accurate alignment operation, further reduce the increase of textile fraction defective.
Refering to Fig. 6, Fig. 6 is the structural representation of the embodiment of drive device one of machine control equipment of the present invention, this embodiment party
Drive device in formula includes substrate 401, first interface 402, second interface 403 and drive circuit 404, the second interface
403 be serial ports, USB interface or wireless communication interface.
The drive circuit 404, first interface 402 and second interface 403 are arranged on the substrate 401, described to drive
Dynamic circuit 404 connects the first interface 402 and second interface 403 respectively, the actuation element for driving the machine control equipment
405；
The second interface 403 is used for the control device 408 for connecting machine control equipment, and the first interface 402 is used to connect
Active sensing element 406, the active sensing element 406 is relatively fixed with the actuation element 405, or with the actuation element
405 start object 407 is relatively fixed；
Wherein, the second interface 403 is additionally operable to input position signal, and the position signalling is the active sensing element
406 when the actuation element 405 or its start object 407 run to predetermined physical position, sense the predetermined physical position
And produce.
The machine control equipment is Weaving device, and the actuation element 405 is the executive component of head, the actuation element
405 start object 407 is the eedle on head, and the drive circuit 404 is used to receive the packet from the serial ports, and
The packet is verified in itself and the incidence relation between the packet is verified, two verifications
Any one is not by being judged as that verification does not pass through, and send retransmission instructions to the serial ports, the association between the packet
Relation is pre-defined.
Prior art is different from, active sensing element is arranged on head by present embodiment, and is connected by signal wire
Actuation element and and control device, can not only make data that actuation element gathers more in real time, it is accurate, and biography can be reduced
Sensor reduces the interference in signals transmission and loss of signal, effectively reduction weaving to the physical run of main control board
The increase of product fraction defective.Communicated between control device and actuation element by serial port protocol, control device or start member
Part is verified after the packet that other side sends is received to packet, is only carrying out school in itself to the packet
After testing and the association progress verification between the packet being passed through, it is significant figure just to determine the packet being currently received
Next step action is made according to bag, and then according to packet.The transmission route antijamming capability of this mode is protruded, stable, can
Communication reliability effectively between enhancing actuation element and control device, thus it is guaranteed that the signal that active sensing element is collected
Stable and accurate control device can be transferred to, it is ensured that accurate alignment operation, further reduce the increasing of textile fraction defective
Plus.
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, is included within the scope of the present invention.
Claims (18)
1. a kind of Weaving device, it is characterised in that including：
Frame, control device, head and pin zero testing system；
The control device includes main control board, and the head includes machine head plate, and the pin zero testing system includes sensing
Device, signal wire and induction pieces；
Wherein, the sensor is arranged on the head, and connects the machine head plate, the head by the signal wire
Plate connects the main control board, and the induction pieces are arranged in the frame；
Wherein, the main control board includes bottom plate and the secondary host chip being arranged on bottom plate, and the secondary host chip passes through
Serial port protocol is connected with the machine head plate.
2. Weaving device according to claim 1, it is characterised in that lead between the secondary host chip and the machine head plate
The packet that serial port protocol is transferred through encapsulation is crossed, and the packet is verified in the receiving terminal of the packet,
Do not require that transmitting terminal is retransmitted if if verification.
3. Weaving device according to claim 2, it is characterised in that
The secondary host chip or the machine head plate, which carry out verification to the packet, to be included carrying out school in itself to the packet
Test and the incidence relation between the packet is verified, it is described the packet to be verified in itself and/or right
Incidence relation between the packet is verified not by being judged as that verification does not pass through, the association between the packet
Relation is pre-defined.
4. Weaving device according to claim 3, it is characterised in that
It is described that the packet is carried out verifying in itself to include the even-odd check of the packet, it is described between the packet
Incidence relation carry out verification include judging entrained by the adjacent packet received identifying whether for continuously identify, if
It is discontinuous then be judged as not passing through.
5. Weaving device according to claim 2, it is characterised in that
The encapsulation of the packet includes encapsulation header portion and encapsulation afterbody, and the encapsulation head includes at least three mark characters,
Significant character in the packet is 14, and 14 significant characters include the control data and 6 characters of 8 characters
Command code.
6. the Weaving device according to any one of claim 1 to 5, it is characterised in that
The machine head plate is the passive executive component of textile operation, and the secondary host chip is that the active of textile operation performs member
Part, the transmission rate of the serial port protocol is more than 5M.
7. Weaving device according to claim 6, it is characterised in that the serial port protocol is RS485, RS422 or RS232
In one kind.
8. the Weaving device according to any one of claim 1 to 5, it is characterised in that
The Weaving device includes the core board being connected with the secondary host chip independent separate and by general-purpose interface, the core
During at least sending a packet by usb protocol between core and the secondary host chip, the core board with
At least two are carried in packet between the secondary host chip to instruct.
9. Weaving device according to claim 8, it is characterised in that lead between the core board and the secondary host chip
Cross before usb protocol at least sends a packet, using self-defined tunneling on the usb protocol will described at least
Two instructions are encapsulated as a packet, and are receiving the packet between the core board and the secondary host chip
When, using self-defined analysis protocol corresponding with the self-defined tunneling the core board and the secondary host chip it
Between packet in intercept out at least two instruction.
10. the Weaving device according to any one of claim 1 to 5, it is characterised in that the Weaving device includes detachable
Connect the I/O expansion board on the main control board.
11. the Weaving device according to any one of claim 1 to 5, it is characterised in that including being arranged at the governor circuit
Stepper motor driver on plate, the stepper motor driver includes driving chip and power driving circuit, the driving core
Piece connects the secondary host chip and power driving circuit respectively, and the driving chip inputs the control letter of the secondary host chip
Number, output multi-channel drive signal is to the power driving circuit, and by feedback signal back to the secondary host chip, described
Secondary host chip exports the control signal according to the feedback signal, and match parameter is exported to the driving core
Piece.
12. a kind of control system of machine control equipment, it is characterised in that including：
Circuit, actuation element and active sensing element are controlled, the active sensing element is relatively fixed with the actuation element,
Or be relatively fixed with the start object of the actuation element；
Wherein, the start object is to be relatively fixed with the actuation element, and as relative motion occurs for the actuation element
Element；
The control circuit connects the actuation element and the active sensing element respectively, and the active sensing element is described
When actuation element or its start object run to predetermined physical position, sense the predetermined physical position and produce position signalling,
And send to the control circuit；
Wherein, the control circuit is connected by serial port protocol with the actuation element.
13. control system according to claim 12, it is characterised in that
Passive sensing element including being arranged at the predetermined physical position, the active sensing element reaches the predetermined physical
The passive sensing element is sensed during position and the position signalling is produced.
14. control system according to claim 13, it is characterised in that
The active sensing element and passive sensing element belong to the pin zero testing system of Weaving device, the control circuit,
Actuation element is secondary host chip, the head of the Weaving device respectively, and the start object is the head of the Weaving device
On eedle；The active sensing element is connected to the secondary host chip by the machine head plate on the head.
15. control system according to claim 14, it is characterised in that
The packet of encapsulation is transferred through between the secondary host chip and the machine head plate by serial port protocol, and described
The receiving terminal of packet is verified to the packet, does not require that transmitting terminal is retransmitted if if verification.
16. control system according to claim 15, it is characterised in that
It is described that verification is carried out to the packet including being verified in itself to the packet and between the packet
Incidence relation verified；
It is described the packet is verified in itself and/or the incidence relation between the packet is verified do not pass through
It is judged as that verification does not pass through, the incidence relation between the packet is pre-defined.
17. a kind of drive device of machine control equipment, it is characterised in that including：
Substrate, first interface, second interface and drive circuit, the second interface are that serial ports, USB interface or radio communication connect
Mouthful；
The drive circuit, first interface and second interface are arranged on the substrate, and the drive circuit connects institute respectively
First interface and second interface are stated, the actuation element for driving the machine control equipment；
The second interface is used for the control device for connecting machine control equipment, and the first interface is used to connect active sensing element,
The active sensing element is relatively fixed with the actuation element, or is relatively fixed with the start object of the actuation element；
Wherein, the start object is to be relatively fixed with the actuation element, and as relative motion occurs for the actuation element
Element；
Wherein, the second interface is additionally operable to input position signal, and the position signalling is the active sensing element described
When actuation element or its start object run to predetermined physical position, sense the predetermined physical position and produce.
18. drive device according to claim 17, it is characterised in that
The machine control equipment is Weaving device, and the actuation element is the executive component of head, and the drive circuit is used to receive
Packet from the serial ports, and the packet is verified in itself and the association between the packet is closed
It is to be verified, it is described that the packet is verified in itself and school is carried out to the incidence relation between the packet
Any one of test and not passed through or not being judged as verifying, and send retransmission instructions to the serial ports, the pass between the packet
Connection relation is pre-defined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410267506.9A CN104111624B (en) | 2014-06-16 | 2014-06-16 | Weaving device and machine control apparatus control system, control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410267506.9A CN104111624B (en) | 2014-06-16 | 2014-06-16 | Weaving device and machine control apparatus control system, control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104111624A CN104111624A (en) | 2014-10-22 |
| CN104111624B true CN104111624B (en) | 2017-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410267506.9A Active CN104111624B (en) | 2014-06-16 | 2014-06-16 | Weaving device and machine control apparatus control system, control device |
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| CN (1) | CN104111624B (en) |
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| CN103382621A (en) * | 2013-07-12 | 2013-11-06 | 福建睿能电子有限公司 | Device, system and method for controlling computerized flat knitting machine |
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| CN101968642A (en) * | 2010-08-26 | 2011-02-09 | 浙江理工大学 | Flat machine numerical control system based on field programmable gate array (FPGA) high-speed communication method |
| CN102152171A (en) * | 2011-05-03 | 2011-08-17 | 苏州工业园区高登威科技有限公司 | Device for detecting stroke of machine tool |
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|---|---|
| CN104111624A (en) | 2014-10-22 |
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