CN104111624A - Textile equipment and mechanical control equipment control system, and control device - Google Patents
Textile equipment and mechanical control equipment control system, and control device Download PDFInfo
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- CN104111624A CN104111624A CN201410267506.9A CN201410267506A CN104111624A CN 104111624 A CN104111624 A CN 104111624A CN 201410267506 A CN201410267506 A CN 201410267506A CN 104111624 A CN104111624 A CN 104111624A
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Abstract
The invention discloses a textile equipment and mechanical control equipment control system and a control device. the textile equipment comprises a rack, a control device, a machine head and a needle zero position detection system, wherein the control device comprises a main control circuit board; the machine head comprises a machine head plate; the needle zero position detection system comprises a sensor, a signal line and a sensing piece, the sensor is arranged on the machine head and is connected with the machine head plate via the signal line, the machine head plate is connected with the main control circuit board, and the sensing piece is arranged on the rack. In the above mode, accuracy of needle zero position detection can be improved, and the yield of textiles can be effectively improved.
Description
Technical field
The present invention relates to machine control techniques field, particularly a kind of Weaving device and machine control apparatus control system, control device.
Background technology
Weaving device as knitting machine etc. be the equipment for knitted or woven fabrics, the lathe that it mainly comprises power circuit, operating case, main control board, head, motor and said elements is installed.
Head comprises machine head plate and the executive component for weaving.Motor comprises the cephalomotor head motor of driving machine, and driver comprises the servo-driver that drives head motor.Head is arranged on lathe by slide rail, and core board is sent to servo-driver via secondary host chip by instruction, and servo-driver drives head motor rotation, and then drives head straight back and forth movement on slide rail.As accurate in eedle position for the executive component of guaranteeing to be used on head line material is woven, on Weaving device, generally also comprise pin zero testing system, comprise the sensor of the head stroke end being arranged on lathe and be arranged at the induction pieces on head.Induction pieces on head is without carrying out signal connection with other elements, and the sensor on lathe needs to be connected to secondary host chip by long signal wire.Secondary host chip receives after transducing signal, according to transducing signal, control signal is sent to the servo-driver of head motor.
Pass through said method, although the signal that the sensor on lathe can be collected passes to secondary host chip, but because sensor is placed on lathe, while being that secondary main frame connects, needed signal wire is long, easily be subject to external interference and bring loss of signal, after loss of signal, the signal that causes secondary host chip to be received is inaccurate, and the inaccurate signal message that core board sends according to secondary main frame further does the judgement making mistake, send wrong instruction to head, and because signal wire is long, also likely also can bring the time delay of signal.And because the textile operation of Weaving device must be reliable and stable, accurate, real-time, thereby the instruction of mistake and the wrong operation that brings probably affects the precision of product, good degree, causes the increase of textile fraction defective.
Summary of the invention
A kind of Weaving device and machine control apparatus control system, drive unit are the object of the present invention is to provide, the accuracy that can improve pin zero testing, the yield of raising textile.
In order to solve the problems of the technologies described above, the present invention adopt a kind of technical scheme be, a kind of Weaving device is provided, comprising: frame, control device, head and pin zero testing system;
Described control device comprises main control board, and described head comprises machine head plate, and described pin zero testing system comprises sensor, signal wire and induction pieces;
Wherein, described sensor setting, on described head, and connects described machine head plate by described signal wire, and described machine head plate connects described main control board, and described induction pieces is arranged in described frame.
Wherein, described main control board comprises base plate and be arranged at the secondary host chip on base plate, and described secondary host chip is connected with described machine head plate by serial port protocol,
Between described secondary host chip and described machine head plate, transmit the packet through encapsulation by serial port protocol, and at the receiving end of described packet, described packet is carried out to verification, if verification is not by requiring transmitting terminal to retransmit.
Wherein, described secondary host chip or described machine head plate carry out verification to described packet and comprise to described packet itself is carried out verification and the incidence relation between described packet is carried out to verification, described two verification any one are not passed through by being judged as verification, and the incidence relation between described packet is pre-defined.
Wherein, described described packet itself is carried out to the parity checking that verification comprises described packet, describedly incidence relation between described packet is carried out to verification comprise and judge whether the entrained mark of the adjacent described packet of receiving is continuous mark, is judged as and does not pass through if discontinuous.
Wherein, the encapsulation of described packet comprises capsule header and encapsulation afterbody, described capsule header comprises at least three identification characters, and the significant character in described packet is 14, and described 14 significant characters comprise the control data of 8 characters and the command code of 6 characters.
Wherein, described machine head plate is the passive executive component of textile operation, the active executive component that described secondary host chip is textile operation, and the transfer rate of described serial port protocol is greater than 5M.
Wherein, described serial port protocol is the one in RS485, RS422 or RS232.
Wherein, described Weaving device comprises and described secondary host chip independent separate and the core board that is connected by general-purpose interface, between described core board and described secondary host chip, at least send in the process of a packet by usb protocol, in described packet, carry at least two instructions.
Wherein, before at least sending a packet by usb protocol between described core board and described secondary host chip, adopt self-defined tunneling, on described usb protocol, described at least two instructions are encapsulated as to a packet, and in the time receiving described packet, adopt the self-defined analysis protocol corresponding with described self-defined tunneling in described packet, intercept out described at least two instructions.
Wherein, described Weaving device comprises the I/O expansion board removably connecting on described main control board.
Wherein, described Weaving device comprises the stepper motor driver being arranged on described main control board, described stepper motor driver comprises driving chip and power driving circuit, described driving chip connects respectively described secondary host chip and power driving circuit, the described secondary host chip control signal of described driving chip input, output multi-channel drives signal to described power driving circuit, and feedback signal is fed back to described secondary host chip, described secondary host chip is exported described control signal according to described feedback signal, and export matching parameter to described driving chip.
In order to solve the problems of the technologies described above, the present invention adopts another kind of technical scheme to be, a kind of control system of machine control equipment is provided, and comprising:
Control circuit, actuation element and active sensing element, described active sensing element is relative with described actuation element fixing, or relative fixing with the start object of described actuation element;
Described control circuit connects respectively described actuation element and described active sensing element, described active sensing element is in the time that described actuation element or its start object run to predetermined physical position, respond to described predetermined physical position and produce position signalling, and be sent to described control circuit.
Wherein, comprise the passive sensing element that is arranged at described predetermined physical position, when described active sensing element arrives described predetermined physical position, respond to described passive sensing element and produce described position signalling.
Wherein, described active sensing element and passive sensing element belong to the pin zero testing system of Weaving device, described control circuit, actuation element are respectively secondary host chip, the heads of described Weaving device, and described active sensing element is connected to described secondary host chip by the machine head plate on described head.
Wherein, between described secondary host chip and described machine head plate, transmit the packet through encapsulation by serial port protocol, and at the receiving end of described packet, described packet is carried out to verification, if verification is not by requiring transmitting terminal to retransmit.
Wherein, described control device or described drive unit carry out verification to described packet and comprise to described packet itself is carried out verification and the incidence relation between described packet is carried out to verification, described two verification any one are not passed through by being judged as verification, and the incidence relation between described packet is pre-defined.
In order to solve the problems of the technologies described above, another embodiment that the present invention adopts is to provide a kind of drive unit of machine control equipment, comprising:
Substrate, first interface, the second interface and driving circuit, described the second interface is serial ports, USB interface or wireless communication interface;
Described driving circuit, first interface and the second interface are arranged on described substrate, and described driving circuit connects respectively described first interface and the second interface, for driving the actuation element of described machine control equipment;
Described the second interface is for the drive unit of junctor control equipment, and described first interface is used for connecting initiatively sensing element, and described active sensing element is relative with described actuation element fixing, or relative fixing with the start object of described actuation element;
Wherein, described the second interface is also for input position signal, and described position signalling is described active sensing element in the time that described actuation element or its start object run to predetermined physical position, responds to described predetermined physical position and produces.
Wherein, described machine control equipment is Weaving device, described actuation element is the executive component of head, described driving circuit is for receiving the packet from described serial ports, and described packet itself is carried out verification and the incidence relation between described packet is carried out to verification, described two verification any one are not passed through by being judged as verification, and send retransmission instructions to described serial ports, and the incidence relation between described packet is pre-defined.
The invention has the beneficial effects as follows: the situation that is different from prior art, the present invention by sensor setting on head, and connect machine head plate and main control board by signal wire, the data that not only can make sensor gather are more real-time, accurate, and can reduce the physics distance of sensor to main control board, reduce interference and loss of signal in signals transmission, effectively reduce the increase of textile fraction defective.
Brief description of the drawings
Fig. 1 is the system architecture schematic diagram of Weaving device one embodiment of the present invention;
Fig. 2 is the system architecture schematic diagram of another embodiment of Weaving device of the present invention;
Fig. 3 is that the present invention is the partial circuit figure of Weaving device in Fig. 2;
Fig. 4 is the system architecture schematic diagram of the another embodiment of Weaving device of the present invention;
Fig. 5 is the structural representation of control system one embodiment of machine control equipment of the present invention;
Fig. 6 is the structural representation of drive unit one embodiment of machine control equipment of the present invention.
Embodiment
Consult Fig. 1, the system architecture schematic diagram of Weaving device one embodiment of the present invention.
The Weaving device of present embodiment comprises control device 101, head 102, frame 106 and pin zero testing system, and described control device 101 comprises that main control board 1011, head 102 comprise that machine head plate 1021, described pin zero testing system comprise sensor 103, signal wire 107 and induction pieces 104.
Wherein, described sensor 103 is arranged on described head 102, and connects described machine head plate 1021 by described signal wire 107, and described machine head plate 1021 connects described main control board 1011, and described induction pieces 104 is arranged in described frame 106.
Particularly, sensor 103 is by cooperatively interacting with the induction pieces being positioned in frame 106, responds to described induction pieces 104 and produce institute's rheme signal and obtain head work state information when sensor 103 arrives described predetermined physical position.Afterwards, sensor 103 transfers to machine head plate 1021 by above-mentioned head status information by signal wire, and machine head plate 1021 is sent to main control board 1011 by signal wire by above-mentioned work state information again.Main control board 1011 is determined the duty of current head 102 according to the head work state information receiving, further determine the duty of eedle on head, and issues next instruction information according to the status information of eedle.
Because sensor 103 and machine head plate 1021 are all positioned on head 102, thereby physical distance is relatively short, preferably, between sensor 103 and machine head plate 1021, passes through serial communication.In other embodiments, can also use usb communication.
In other embodiments, induction pieces 104 can replace with other and have the object of inductive effect, also can not need induction pieces 104, as long as sensor 103 can collect data.
In one of them embodiment of the present invention, Weaving device comprises first circuit board and the second circuit board of distributed setting, wherein on first circuit board, be provided with AC/DC change-over circuit, AC/DC change-over circuit converts the alternating voltage of reception to first DC voltage, first circuit board and second circuit board are respectively arranged with DC/DC change-over circuit, the first DC voltage is supplied to respectively the DC/DC change-over circuit on first circuit board and second circuit board, and converts the second required separately DC voltage to by DC/DC change-over circuit.By with upper type, the present invention can avoid power supply assembly is additionally set, and greatly reduces the complexity of supply line.
In wherein another embodiment of the present invention, the Poewr control method between at least two action elements in Weaving device is also provided, the method comprises: the control system of controlling at least two action elements is obtained steering order; Whether resolve steering order performs an action within least part of time for controlling at least two action elements simultaneously; If steering order is moved for controlling at least two action elements simultaneously, the execution time of the action of at least two action elements is staggered each other, make the implementation effect of at least two action elements meet the demands simultaneously.By with upper type, real power when embodiment of the present invention can avoid at least two action elements to move is simultaneously excessive, significantly reduce power consumption, particularly, under the scene for the more action element of controlling the size simultaneously, power saving effect is obvious especially.
Be different from the situation of prior art, present embodiment by sensor setting on head, and by signal wire jointing plate and main control board, the data that not only can make sensor gather are more real-time, accurate, and can reduce the physics distance of sensor to main control board, reduce interference and loss of signal in signals transmission, the accuracy that can improve pin zero testing, effectively improves the yield of textile.
In another embodiment, as shown in Figure 2, Fig. 2 is the system architecture schematic diagram of another embodiment of Weaving device of the present invention.
The Weaving device 200 of present embodiment comprises control device 201, head 202, sensor 203, sensing chip 204, and head 202 is arranged on slide rail 205, can slide along slide rail 205.Sensor 203 is arranged on head 202, coordinates with the induction pieces 204 being arranged in frame 206, responds to described induction pieces 104 and generation institute rheme signal while arriving described predetermined physical position, and then gathers the status information of head.Head 202 comprises machine head plate 2021, and control device 201 comprises master control.Shown in, Fig. 3 is the partial circuit figure of Weaving device in Fig. 2 of the present invention.
HEAD_ZR port is the output terminal of sensor 201 signals, HZ port is the link of sensor 203 and machine head plate 2021, in the time that sensor 203 collects head 202 physical locations or state and changes, the state of corresponding HZ port can change, machine head plate 2021 is by the state of the HZ port of serial ports timing query sensors 203, once HZ port changes, the positional information that machine head plate 2021 initiatively collects sensor 203 by serial ports is transferred to control device 201.Control device 2011 is made different processing actions according to positional information.
Particularly, 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 passive executive components of textile operation, the active executive component that described secondary host chip 20111 is textile operation.
Preferably, between machine head plate 2021 and secondary host chip 20111, communicate by serial port protocol.
Preferably, the transfer rate of serial port protocol reaches in 5M.
Preferably,, described serial port protocol is the one in RS485, RS422 or RS232.It should be noted that, a kind of agreement in present embodiment in RS485 used, RS422 or RS232 is all improved, by adding the later agreement of custom protocol.
Between secondary host chip 20111 and machine head plate 2021 when transmission information, first the information of needs transmission is packaged into packet, the encapsulation of packet comprises capsule header and encapsulation afterbody, preferably, described capsule header comprises at least three identification characters, for wrapper is identified, capsule header comprises that at least three identification characters can further strengthen the uniqueness of wrapper, strengthen secondary host chip 20111 or the recognition capability of machine head plate 2021 to wrapper, but the identification character of capsule header is not defined as 3 characters, also comprise in other embodiments the identification character of other character quantities.Significant character in described data is 14, and described 14 significant characters comprise the control data of 8 characters and the command code of 6 characters.Command code is the control word of transmission data, and the signal type of transmission is limited, and controlling data is the specific information data of transmission.Wherein, control data and select 8 characters to carry out compatibility with other agreements, as existing RS485, RS422 or RS232 agreement, be convenient to the transmission of information.The end mark that encapsulation afterbody is wrapper.
Secondary host chip 20111 carries out full-duplex communication with machine head plate 2021 and transmits data encapsulation bag, send data envelope packet taking machine head plate 2021 toward secondary host chip 20111 as example, machine head plate 2021 is first encrypted packet, then by self-defining agreement by Packet Generation to secondary host chip.Secondary host chip 20111 receives the packet that machine head plate 2021 sends and carries out verification, determines whether wrapper is effective data packets.
Particularly, secondary host chip 20111 comprises to packet itself is carried out verification and the incidence relation between packet is carried out to verification, packet itself is carried out to verification and comprise that secondary host chip 20111 is first by the packet decapsulation receiving, then determine according to 3 identification characters of packet encapsulation head whether the data type receiving is the data type needing, then, further the control word of packet and control data are judged, determine whether as correct effective information, whether the method that determines whether valid data comprises and judges control word and control data and mate, and control data whether in predefined scope.
To the incidence relation between packet judge comprise specified data bag and previous packet whether continuous, such as judging that the entrained mark of former and later two packets is whether coherent mutually.Concrete linking up can be by judging whether identifier sequence number is the natural number within 0～255, in its embodiment, effectively continuous mark can be also the identifier that arbitrary one group of regular and secondary host chip 20111 and machine head plate 2021 can be identified, wherein, the incidence relation between packet is pre-defined.
In another embodiment, secondary host chip 20111 also comprises the verification to packet parity to the verification of packet itself.
At secondary host chip 20111 specified data bags itself correct and and other packets between determine that the packet receiving is effective data packets while being associated, otherwise, as long as there is a verification not pass through, judges the verification of above-mentioned packet do not passed through.
Accordingly, in the time that secondary host chip 20111 transmits data to machine head plate 2021, machine head plate 2021 adopts identical method of calibration to carry out verification to packet.
Secondary host chip 20111 determines when the packet receiving is effective data packets, control device 201 duty current according to the acquisition of information head of packet further, and provide next step work order according to the current duty of head.
Particularly, please participate in Fig. 4, Fig. 4 is the structural representation of the another embodiment of Weaving device of the present invention, the Weaving device of present embodiment also comprises and described secondary host chip 20111 independent separate and the core board 2012 that is connected by general-purpose interface, between described core board 2012 and described secondary host chip 20111, at least send in the process of a packet by usb protocol, in described packet, carry at least two instructions.
Wherein, before at least sending a packet by usb protocol between core board and described secondary host chip, adopt self-defined tunneling, on described usb protocol, described at least two instructions are encapsulated as to a packet, and in the time receiving described packet, adopt the self-defined analysis protocol corresponding with described self-defined tunneling in described packet, intercept out described at least two instructions.
Be different from prior art, the difference of present embodiment and previous embodiment is, the Weaving device control device in present embodiment comprises main control board, and main control board comprises the secondary host chip on substrate and setting and substrate.The machine head plate biography that sensor is crossed the information exchanges such as the head positional information collecting on head sends to secondary host chip, wherein, between secondary host chip and head, communicate by serial port protocol, secondary host chip or head are receiving after the packet that the other side sends, packet is carried out to verification, only after described packet itself being carried out to verification and the association between described packet is carried out to verification passing through, just determine that the current packet receiving is effective data packets, and then make next step action according to packet.The transmission route antijamming capability of this mode is outstanding, stable, can effectively strengthen the communication reliability between machine head plate and secondary host chip, thereby, guarantee that the signal that sensor collects can stable and accurately be transferred to secondary host chip, further be sent to host chip by secondary host chip, guarantee accurately bit manipulation, reduce the increase of textile fraction defective.
In another embodiment, the Weaving device in present embodiment also comprises the I/O expansion board removably connecting on described main control board.The I/O expanded circuit of auxiliary connection host chip, described I/O expanded circuit comprise I/O extended chip and at least two Extended Capabilities Port and, described I/O extended chip connects respectively described secondary host chip and described at least two Extended Capabilities Port.Wherein, I/O expanded circuit is formed in I/O expansion board.
Preferably, the I/O extended chip of I/O expansion board is by the removably connect secondary host chip of described main control board of I2C data line, realize rotating, the speed governing of the speed governing of Yarn feeder motor, secondary roller motor, rotating, the speed governing etc. of folding motor to realize communicating by letter between secondary host chip, specifically to comprise.Described Weaving device also comprises the panel that power supply is set, and described I/O expansion board is arranged on described panel.
It is pointed out that in other embodiments, the I/O extended chip of I/O expansion board can also be realized being connected between secondary host chip by other connected modes, does not limit herein.
In another embodiment, I/O expansion board can also be I/O card extender, be connected with main control board, the at least part of I/O interface function of carrying main control board, it comprises at least first interface and the second interface, on main control board, comprise the 3rd interface, the 3rd interface on main control board is connected with the first interface in secondary host chip, expansion board respectively, first interface in expansion board connects the second interface, and between first interface and the second interface, have mapping relations, the second interface is for being connected with peripheral hardware.
Be different from prior art, the distinctive points of present embodiment and previous embodiment is, main control board in present embodiment also comprises the I/O expanded circuit being connected with secondary host chip, special service is in the connection of each external equipment, each outside port is put together to management, adaptation while facilitating peripheral hardware to change, the expansion of peripheral hardware quantity, and without the external interface that designs a kind of main control board for each application scenarios.
In one embodiment, Weaving device in present embodiment also comprises the stepper motor driver being arranged on described main control board, described stepper motor driver comprises driving chip and power driving circuit, described driving chip connects respectively described secondary host chip and power driving circuit, the described secondary host chip control signal of described driving chip input, output multi-channel drives signal to described power driving circuit, and feedback signal is fed back to described secondary host chip, described secondary host chip is exported described control signal according to described feedback signal, and export matching parameter to described driving chip.
Particularly, the weave data after resolving is sent to secondary host chip by core board, and secondary host chip completes and drives after the mating of chip, and secondary host chip is sent to braiding information by control signal output terminal the control signal input end that drives chip.Wherein, described braiding information is generally pulse signal, also can be other digital signals, drive chip to receive by control signal input end after the braiding signal of digital signal, braiding information is converted to the driving signal that can drive head work, generally, described driving signal is simulating signal.Drive the driving signal output part of chip that driving signal is sent to power circuit, further, power circuit receives after the driving signal that drives chip transmission, driving signal is amplified, according to the machine head plate work in the driving signal controlling head receiving, machine head plate drive actions element carries out knit operation again.
Accordingly, when machine head plate or other controlled devices break down or when other abnormal conditions, drive chip to get failure message, and by feedback output end, above-mentioned failure message is fed back to the feedback input end of secondary host chip, secondary host chip receives above-mentioned failure message by feedback input end, and further send failure message to core board, to treat that core board carries out next step action.
Be different from prior art, the present invention is placed on driving chip and power circuit on main control board, wherein drive chip to be directly connected with secondary host chip, not only can strengthen the transfer efficiency that drives signal between chip and secondary main frame, reduce power attenuation, and reduced communication control module on the basis of existing Weaving device, further strengthen transfer efficiency, reduce signal transmission attenuation, Weaving device structure itself is also improved simultaneously, contributes to cut operating costs.
Consult Fig. 5, Fig. 5 is the structural representation of control system one embodiment of machine control equipment of the present invention.The control system of present embodiment comprises control circuit 301, actuation element 302 and active sensing element 303, and described active sensing element 303 is relative fixing with described actuation element 302, or relative fixing with the start object 3021 of described actuation element 302.
Described control circuit 301 connects respectively described actuation element 302 and described active sensing element 303, described active sensing element 303 is in the time that described actuation element 302 or its start object 3021 run to predetermined physical position, respond to described predetermined physical position and produce position signalling, and be sent to described control circuit 301.
The control system of present embodiment also comprises the passive sensing element 304 that is arranged at described predetermined physical position, responds to described passive sensing element 304 and produce described position signalling when described active sensing element 303 arrives described predetermined physical position.In other embodiments, control system also can not comprise passive device 304, an energy only need be set and provide the mark of physical location information for active sensing element 303.
Particularly, initiatively sensing element 303 is by cooperatively interacting with passive sensing element 304, when initiatively sensing element 303 arrives described predetermined physical position, respond to described passive sensing element 304 and produce institute's rheme signal, wherein, described head status information comprises the positional information of actuation element 302 or start object 3021.Afterwards, initiatively sensing element 303 is crossed signal wire by the information exchange collecting and is transferred to control circuit 301.Control circuit 301 is determined the positional information of current start object 3021 according to the information receiving, and issues next instruction information according to above-mentioned positional information.
Wherein, shown in opertaing device be Weaving device, described active sensing element 303 and passive sensing element 304 belong to the pin zero testing system of Weaving device, described control circuit 301, actuation element 302 are respectively secondary host chip, the heads of described Weaving device, and described active sensing element 303 is connected to described secondary host chip by the machine head plate on described head.Between described secondary host chip and described machine head plate, transmit the packet through encapsulation by serial port protocol, and at the receiving end of described packet, described packet is carried out to verification, if verification is not by requiring transmitting terminal to retransmit.Described control device or described drive unit carry out verification to described packet and comprise to described packet itself is carried out verification and the incidence relation between described packet is carried out to verification, described two verification any one are not passed through by being judged as verification, and the incidence relation between described packet is pre-defined.
Be different from prior art, present embodiment is arranged at active sensing element on head, and by signal wire connect actuation element and and control device, the data that not only can make actuation element gather are more real-time, accurate, and can reduce the physics distance of sensor to main control board, reduce interference and loss of signal in signals transmission, effectively reduce the increase of textile fraction defective.Between control device and actuation element, communicate by serial port protocol, control device or actuation element are receiving after the packet that the other side sends, packet is carried out to verification, only after described packet itself being carried out to verification and the association between described packet is carried out to verification passing through, just determine that the current packet receiving is effective data packets, and then make next step action according to packet.The transmission route antijamming capability of this mode is outstanding, stable, can effectively strengthen the communication reliability between actuation element and control device, thereby, guarantee the stable and accurate control device that is transferred to of signal energy that initiatively sensing element collects, guarantee accurately, to bit manipulation, to reduce further the increase of textile fraction defective.
Consult Fig. 6, Fig. 6 is the structural representation of drive unit one embodiment of machine control equipment of the present invention, drive unit in present embodiment comprises substrate 401, first interface 402, the second interface 403 and driving circuit 404, and described the second interface 403 is serial ports, USB interface or wireless communication interface.
Described driving circuit 404, first interface 402 and the second interface 403 are arranged on described substrate 401, and described driving circuit 404 connects respectively described first interface 402 and the second interface 403, for driving the actuation element 405 of described machine control equipment;
Described the second interface 403 is for the control device 408 of junctor control equipment, described first interface 402 is for connecting initiatively sensing element 406, described active sensing element 406 is relative fixing with described actuation element 405, or relative fixing with the start object 407 of described actuation element 405;
Wherein, described the second interface 403 is also for input position signal, and described position signalling is described active sensing element 406 in the time that described actuation element 405 or its start object 4051 run to predetermined physical position, responds to described predetermined physical position and produces.
Described machine control equipment is Weaving device, described actuation element 405 is executive components of head, described driving circuit 404 is for receiving the packet from described serial ports, and described packet itself is carried out verification and the incidence relation between described packet is carried out to verification, described two verification any one are not passed through by being judged as verification, and sending retransmission instructions to described serial ports, the incidence relation between described packet is pre-defined.
Be different from prior art, present embodiment is arranged at active sensing element on head, and by signal wire connect actuation element and and control device, the data that not only can make actuation element gather are more real-time, accurate, and can reduce the physics distance of sensor to main control board, reduce interference and loss of signal in signals transmission, effectively reduce the increase of textile fraction defective.Between control device and actuation element, communicate by serial port protocol, control device or actuation element are receiving after the packet that the other side sends, packet is carried out to verification, only after described packet itself being carried out to verification and the association between described packet is carried out to verification passing through, just determine that the current packet receiving is effective data packets, and then make next step action according to packet.The transmission route antijamming capability of this mode is outstanding, stable, can effectively strengthen the communication reliability between actuation element and control device, thereby, guarantee the stable and accurate control device that is transferred to of signal energy that initiatively sensing element collects,, guarantee accurately, to bit manipulation, to reduce further the increase of textile fraction defective.
The foregoing is only embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes instructions of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (18)
1. a Weaving device, is characterized in that, comprising:
Frame, control device, head and pin zero testing system;
Described control device comprises main control board, and described head comprises machine head plate, and described pin zero testing system comprises sensor, signal wire and induction pieces;
Wherein, described sensor setting, on described head, and connects described machine head plate by described signal wire, and described machine head plate connects described main control board, and described induction pieces is arranged in described frame.
2. Weaving device according to claim 1, is characterized in that,
Described main control board comprises base plate and be arranged at the secondary host chip on base plate, and described secondary host chip is connected with described machine head plate by serial port protocol,
Between described secondary host chip and described machine head plate, transmit the packet through encapsulation by serial port protocol, and at the receiving end of described packet, described packet is carried out to verification, if verification is not by requiring transmitting terminal to retransmit.
3. Weaving device according to claim 2, is characterized in that,
Described secondary host chip or described machine head plate carry out verification to described packet and comprise to described packet itself is carried out verification and the incidence relation between described packet is carried out to verification, described two verification any one are not passed through by being judged as verification, and the incidence relation between described packet is pre-defined.
4. Weaving device according to claim 3, is characterized in that,
Described described packet itself is carried out to the parity checking that verification comprises described packet, describedly incidence relation between described packet is carried out to verification comprise and judge whether the entrained mark of the adjacent described packet of receiving is continuous mark, is judged as and does not pass through if discontinuous.
5. Weaving device according to claim 2, is characterized in that,
The encapsulation of described packet comprises capsule header and encapsulation afterbody, and described capsule header comprises at least three identification characters, and the significant character in described packet is 14, and described 14 significant characters comprise the control data of 8 characters and the command code of 6 characters.
6. according to the Weaving device described in claim 1 to 5 any one, it is characterized in that,
Described machine head plate is the passive executive component of textile operation, the active executive component that described secondary host chip is textile operation, and the transfer rate of described serial port protocol is greater than 5M.
7. Weaving device according to claim 6, is characterized in that, described serial port protocol is the one in RS485, RS422 or RS232.
8. according to the Weaving device described in claim 1 to 7 any one, it is characterized in that,
Described Weaving device comprises and described secondary host chip independent separate and the core board that is connected by general-purpose interface, between described core board and described secondary host chip, at least send in the process of a packet by usb protocol, in described packet, carry at least two instructions.
9. Weaving device according to claim 8, it is characterized in that, before at least sending a packet by usb protocol between described core board and described secondary host chip, adopt self-defined tunneling, on described usb protocol, described at least two instructions are encapsulated as to a packet, and in the time receiving described packet, adopt the self-defined analysis protocol corresponding with described self-defined tunneling in described packet, intercept out described at least two instructions.
10. according to the Weaving device described in claim 1 to 5 any one, it is characterized in that, described Weaving device comprises the I/O expansion board removably connecting on described main control board.
11. according to the Weaving device described in claim 1 to 5 any one, it is characterized in that, comprise the stepper motor driver being arranged on described main control board, described stepper motor driver comprises driving chip and power driving circuit, described driving chip connects respectively described secondary host chip and power driving circuit, the described secondary host chip control signal of described driving chip input, output multi-channel drives signal to described power driving circuit, and feedback signal is fed back to described secondary host chip, described secondary host chip is exported described control signal according to described feedback signal, and export matching parameter to described driving chip.
The control system of 12. 1 kinds of machine control equipment, is characterized in that, comprising:
Control circuit, actuation element and active sensing element, described active sensing element is relative with described actuation element fixing, or relative fixing with the start object of described actuation element;
Described control circuit connects respectively described actuation element and described active sensing element, described active sensing element is in the time that described actuation element or its start object run to predetermined physical position, respond to described predetermined physical position and produce position signalling, and be sent to described control circuit.
13. control system according to claim 12, is characterized in that,
Comprise the passive sensing element that is arranged at described predetermined physical position, when described active sensing element arrives described predetermined physical position, respond to described passive sensing element and produce described position signalling.
14. control system according to claim 13, is characterized in that,
Described active sensing element and passive sensing element belong to the pin zero testing system of Weaving device, described control circuit, actuation element are respectively secondary host chip, the heads of described Weaving device, and described active sensing element is connected to described secondary host chip by the machine head plate on described head.
15. control system according to claim 14, is characterized in that,
Between described secondary host chip and described machine head plate, transmit the packet through encapsulation by serial port protocol, and at the receiving end of described packet, described packet is carried out to verification, if verification is not by requiring transmitting terminal to retransmit.
16. control system according to claim 14, is characterized in that,
Described control device or described drive unit carry out verification to described packet and comprise to described packet itself is carried out verification and the incidence relation between described packet is carried out to verification, described two verification any one are not passed through by being judged as verification, and the incidence relation between described packet is pre-defined.
The drive unit of 17. 1 kinds of machine control equipment, is characterized in that, comprising:
Substrate, first interface, the second interface and driving circuit, described the second interface is serial ports, USB interface or wireless communication interface;
Described driving circuit, first interface and the second interface are arranged on described substrate, and described driving circuit connects respectively described first interface and the second interface, for driving the actuation element of described machine control equipment;
Described the second interface is for the control device of junctor control equipment, and described first interface is used for connecting initiatively sensing element, and described active sensing element is relative with described actuation element fixing, or relative fixing with the start object of described actuation element;
Wherein, described the second interface is also for input position signal, and described position signalling is described active sensing element in the time that described actuation element or its start object run to predetermined physical position, responds to described predetermined physical position and produces.
18. drive units according to claim 17, is characterized in that,
Described machine control equipment is Weaving device, described actuation element is the executive component of head, described driving circuit is for receiving the packet from described serial ports, and described packet itself is carried out verification and the incidence relation between described packet is carried out to verification, described two verification any one are not passed through by being judged as verification, and sending retransmission instructions to described serial ports, the incidence relation between described packet is pre-defined.
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| CN201410267506.9A CN104111624B (en) | 2014-06-16 | 2014-06-16 | Weaving device and machine control apparatus control system, control device |
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| CN201410267506.9A CN104111624B (en) | 2014-06-16 | 2014-06-16 | Weaving device and machine control apparatus control system, control device |
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