CN206034015U - Construction improvement's how fast electronic let -off system - Google Patents

Abstract

The utility model provides a construction improvement's how fast electronic let -off system, includes tricot machine main part mechanism, industrial computer, servo control board and a plurality ofly is used for controlling the servo actuating mechanism of tricot machine warp beam pivoted, the servo control board includes ARM microcontroller, DSP digital signal processor and data store, the output of industrial computer is respectively through fiber connection in ARM microcontroller and data store, ARM microcontroller's output respectively with data store and DSP digital signal processor connect. The utility model discloses a set up optic fibre and as the medium that industrial computer, servo control board and each servo actuating mechanism carry out data connection and transmission, can satisfy in the operational environment of this kind strong electromagnetic interference, big data throughput, carry out real -time high speed data transmission's control requirement, guarantee in the industrial computer target location instruction that can refresh servo control board and each servo actuating mechanism in real time in service, and this communication mode low in production cost, practice thrift the communication cost greatly.

Description

A kind of structure improved multi-speed electronic let-off control system

Technical field

This utility model is related to warp knit mechanical field, refers in particular to a kind of structure improved multi-speed electronic let-off control system.

Background technology

Feeding system of warp is warp thread is unwind from warp beam, according to the system that certain warp run-in sends into looping mechanism. During it is Knitting Machinery（Tricot machine, weft machine）One of most important ingredient, directly affects quality and the flower of warp knit product Type kind.

For now, there are a large amount of import at eighties of last century end of the nineties tricot machines in domestic warp knit enterprise, mostly using FAG Mechanical type feeding system of warp, or first wife's single speed EBA electronic let-off control systems cannot solve the problems, such as product diversification, and degradation failure Rate is high, needs upgrading badly.Therefore in the urgent need on the basis of domestic and international advanced technology is absorbed, from warp knit enterprise practical situation Set out, the multi-speed EBC warp knit electronic let-off control system that self owned development technique is advanced, easy to control, cost performance is higher.

Current most domestic enterprise is using the positive mechanical type warp let-off and single speed EBA.But, for currently a popular trend Quickening, the various occasion of warp knit flower pattern, positive mechanical type warp let-off product has seemed very backward, and adopts single speed EBA for guarantee The advantage of warp knit efficiency, quality and maintenance maintenance cost is self-evident.But, it is various and efficient for warp knit flower pattern is met The multi-speed electronic warp feeding technical research of rate is very few, presently, there are following major technology bottleneck：Existing feeding system of warp wiring is complicated, work It is the presence of strong electromagnetic, the feature of big data throughput again to make environment, and in production process, circuit is easily because of aging or loss Equipment fault is caused, and volume of transmitted data is little, it is impossible to realize multi-level decentralised control.

Utility model content

This utility model provides a kind of structure improved multi-speed electronic let-off control system, and its main purpose is to overcome existing sending The defect that equipment fault occurs greatly and easily in complicated, volume of transmitted data is connected up present in Jing systems.

For solving above-mentioned technical problem, this utility model is adopted the following technical scheme that：

A kind of structure improved multi-speed electronic let-off control system, including warp knit main body mechanism of machine, industrial computer, Servo Control Board with And it is a plurality of for control tricot machine warp beam rotation servo-actuating devices, the Servo Control Board include an ARM microcontroller, One DSP and a data storage, the outfan of the industrial computer are connected to described respectively by optical fiber The Enable Pin of ARM microcontroller and data storage, the outfan of the ARM microcontroller respectively with the data storage and The Enable Pin connection of DSP.

Further, each described servo-actuating device includes the Enable Pin of a servomotor, one and the servomotor The tricot machine warp beam and one that the servo-driver of connection, one are connected with the servo motor transmission is used for detecting that servomotor runs The warp beam encoder of state, the Enable Pin of each servo-driver are connected to the defeated of the DSP simultaneously Go out end, the outfan of each warp beam encoder is connected to the Enable Pin of the DSP simultaneously.

Further, the Enable Pin of each servo-driver is connected to the DSP by optical fiber Outfan, the outfan of each warp beam encoder is connected to the Enable Pin of the DSP by optical fiber.

Further, the warp knit main body mechanism of machine include a main shaft, an electronic gear, one from axle, a spindle motor, one For detecting spindle encoder and a spindle motor control circuit of spindle motor running status, the torque of the spindle motor Outfan is connected with the main shaft and electronic gear respectively, and the torque outfan of the electronic gear is passed from axle with described Dynamic connection；The Enable Pin of the spindle motor control circuit is connected to an outfan of the Servo Control Board, the main shaft electricity The outfan of machine control circuit is connected to the Enable Pin of the spindle motor, and the outfan of the spindle encoder is connected to described Servo Control Board.

Further, the outfan of the ARM microcontroller is also respectively connected with the electronic gear and spindle motor control The Enable Pin connection of circuit processed.

Further, the spindle motor control circuit includes a soft start circuit module, the failure being sequentially connected electrically Detection protection module and a SPM, the Enable Pin of the spindle motor are connected to the defeated of the SPM Go out end.

Further, the Enable Pin of the industrial computer is provided with a touch screen.

Compared to the prior art, the beneficial effect of this utility model generation is:

1st, this utility model simple structure, practical, is used as the industrial computer, the SERVO CONTROL by arranging optical fiber Plate and each servo-actuating device carry out the medium of data cube computation and transmission, can meet and gulp down in this strong electromagnetic, big data Tell in the working environment of rate, carry out the control requirement of real-time and high-speed data transmission, it is ensured that brushed in industrial computer operation in real time New Servo Control Board is instructed with the target location of each servo-actuating device, and the communication modes low production cost, greatly save it is logical News cost.

2nd, in this utility model, by arranging an electronic gear, and by Servo Control Board controlling it, Thus in Servo Control Board when motor control is carried out to main shaft, by the effect of electronic gear, be also driven so as to make from axle Go out the rotation of corresponding speed ratio, can so keep warp run-in constant, i.e., coiled hair send yarn speed constant on the premise of, it is main Gear ratio between axle and warp beam continuously changes, to ensure that coiled hair rotating speed is gradually lifted when spindle speed is constant, from And greatly improve that Servo Control Board changes to spindle speed follow response performance, during being effectively reduced tricot machine driving and parking Warp let-off tension fluctuation, improve warp knit stopping line fault, realize that warp knit is responsible for various flower pattern, so as to improve the property of tricot machine Energy.

3rd, in this utility model, by arranging the DSP, can be used as each warp beam encoder position Feedback control core is put, more complicated control algolithm is realized, digitized, intellectuality is reached.

4th, in this utility model, by arranging soft start circuit module, a fault detect protection module and an intelligence Power model, for overvoltage, overcurrent, the fault detect such as overheated, under-voltage protection, and not only can reduce and started Impact of the surge current in journey to all kinds of electronic devices and components.

Description of the drawings

Fig. 1 is theory diagram of the present utility model.

Fig. 2 is workflow diagram of the present utility model.

Specific embodiment

Specific embodiment of the present utility model is illustrated with reference to the accompanying drawings.

With reference to Fig. 1.A kind of modified model multi-speed electronic let-off control system 1, including warp knit main body mechanism of machine 2, industrial computer 3, servo Panel 4 and a plurality of servo-actuating devices 5 for controlling the rotation of tricot machine warp beam, the warp knit main body mechanism of machine 2 are wrapped Including a main shaft 20, an electronic gear 21, is used for detecting 23 running status of spindle motor from axle 22, a spindle motor 23, 23 control circuit of spindle encoder 24 and a spindle motor, the torque outfan of the spindle motor 23 respectively with the main shaft 20 and electronic gear 21 be connected, the torque outfan of the electronic gear 21 is connected from axle 22 with described；It is described The Enable Pin of spindle motor control circuit is connected to an outfan of the Servo Control Board 4, the spindle motor control circuit Outfan be connected to the Enable Pin of the spindle motor 23, the outfan of the spindle encoder 24 is connected to the servo control Making sheet 4, the Enable Pin of the Servo Control Board 4 are connected to the outfan of the industrial computer 3, the Servo Control Board 4 and each institute State servo-actuating device 5 to be bi-directionally connected.

With reference to Fig. 1.The Servo Control Board 4 include an ARM microcontroller 40, a DSP 41 and One data storage 42, the outfan of the industrial computer 3 are connected to the ARM microcontroller 40 and data storage 42 Enable Pin, the outfan of the ARM microcontroller 40 respectively with the data storage 42 and DSP 41 Enable Pin.

With reference to Fig. 1.The outfan of the ARM microcontroller 40 is also respectively connected with the electronic gear 21 and spindle motor The Enable Pin connection of control circuit 25.Each described servo-actuating device 5 is including a servomotor 50, one and the servomotor The tricot machine warp beam 52 and one that the servo-driver 51, of 50 Enable Pin connection is connected with the servomotor 50 is used for The warp beam encoder 53 of detection 50 running status of servomotor, the Enable Pin of each servo-driver 51 is connected to described simultaneously The outfan of DSP 41, the outfan of each warp beam encoder 53 are connected to the DSP numerals letter simultaneously The Enable Pin of number processor 41.

With reference to Fig. 1.The spindle motor control circuit includes a soft start circuit module, the failure inspection being sequentially connected electrically Protection module and a SPM 25 is surveyed, the Enable Pin of the spindle motor 23 is connected to the SPM 25 Outfan.

With reference to Fig. 1.The industrial computer 3 is connected by optical fiber with the Servo Control Board 4.The Servo Control Board 4 with it is each Servo-actuating device 5 is connected by optical fiber.The Enable Pin of the industrial computer 3 is provided with a touch screen.

With reference to Fig. 2.The present embodiment drives warp beam 52 to rotate according to the rotating speed of main shaft 20 and send yarn.Before tricot machine operation, Ying Xian Warp let-off technological parameter such as warp run-in, 52 initial outer perimeter of warp beam and warp thread number of total coils etc. are inputed to by data input device and is watched Take the ARM microcontroller 40 of 32 in panel 4.When tricot machine operates, ARM microcontroller 40 is connected by spindle encoder 24 20 position signalling of main shaft is gathered continuously, and turning for main shaft 20 is obtained according to 24 umber of pulse of spindle encoder in each scan period Speed；Meanwhile, DSP 41 is according to numbers such as the warp run-ins, 52 initial outer perimeter of warp beam and 20 rotating speed of main shaft for setting According to 50 rotating speed of servomotor for calculating current period, warp let-off instruction is sent to servo-actuating device 5.Servo-actuating device 5 Servo-driver 51 receives the command speed of DSP 41, and control servomotor 50 operates by command speed, 50 actual speed of servomotor is fed back to servo-driver 51 by its built-in encoder by servomotor 50 simultaneously, realizes watching Take the internal ring control of drive mechanism 5.In the present embodiment, 52 instant outer perimeter meter of warp beam can be obtained by warp beam encoder 53 Calculation, 50 command speed of servomotor, warp beam 52 test the speed pressure roller feedback ratio compared with etc. index, the DSP 41 lead to The data of the feedback of transmission from one meridian to another shaft encoder 53 can obtain the 52 instant outer perimeter of warp beam of current period and the instant warp run-in of reality etc. Parameter, and thus calculate the command speed of the servomotor 50 in next cycle.According to the warp let-off of DSP 41 Deviation e (t) between the feedback actual value of output order value and the pressure roller that tests the speed controlling, when deviation e (t) is less than or is waited by this When threshold value set in advance, after the ratio of e (t), integration, differential linearity are combined, using incremental Fuzzy PID Controlled warp let-off object is controlled, when this by deviation e (t) be more than threshold value set in advance when, by the ratio of e (t), integration, After differential linearity combination, controlled warp let-off object is controlled using PD control algorithm.

In the present embodiment, PD control is the control mode with ratio control and integration control, is not changed relative to P controls The natural frequency of change system, but the damping ratio of system is increased, appropriate adjusts the dynamic that differential parameter is conducive to improvement system Performance.

In the present embodiment, PID control is the control mode with ratio control.It is PI and PD two actually when adjusting Person is worked.

With PD, P controller is compared, because the type of its system improves PID controller being significantly improved to stability. PID controller increases the control law that negative zero point has PD again, and the dynamic property of system is also greatly improved.

Compared to the prior art, the beneficial effect of this utility model generation is:

1st, this utility model simple structure, practical, by arranging an electronic gear 21, and passes through Servo Control Board 4 controlling it, thus in Servo Control Board 4 when motor control is carried out to main shaft 20, by the work of electronic gear 21 With, being also driven the rotation so as to make corresponding speed ratio from axle 22, can so keep warp run-in constant, i.e. coiled hair send On the premise of yarn speed is constant, the gear ratio between main shaft 20 and warp beam 52 continuously changes, to ensure in main shaft 20 During constant airspeed, coiled hair rotating speed is gradually lifted, and follows response so as to greatly improve Servo Control Board 4 to 20 velocity variations of main shaft Performance, the warp let-off tension fluctuation being effectively reduced during tricot machine driving and parking improve warp knit stopping line fault, realize warp knit It is responsible for various flower pattern, so as to improve the performance of tricot machine.

2nd, in this utility model, by arranging the DSP 41, can be used as each warp beam encoder 53 position feedback control cores, realize more complicated control algolithm, reach digitized, intellectuality.

3rd, in this utility model, by arranging soft start circuit module, a fault detect protection module and an intelligence Power model, for overvoltage, overcurrent, the fault detect such as overheated, under-voltage protection, and not only can reduce and started Impact of the surge current in journey to all kinds of electronic devices and components.

4th, by specific fuzzy algorithmic approach, strictly control coordinates main shaft 20 to move from axle 22 to the present embodiment, is prevented effectively from machine and stops Car horizontal stripe occurs.

5th, the present embodiment is using unique plastic optical fiber high-speed serial bus technology, transmission stabilization efficiency height and anti-interference It is good.Its data good in anti-interference performance, speed are high, signal stabilization, solve provide in severe industrial production environment it is stable, can A difficult problem for the communication line for leaning on, realizes high-speed transfer industry control message and instruction, it is to avoid because being received using metallic cable circuit Electromagnetic interference causes the danger that communications are interrupted.Meanwhile, the communication modes cost is relatively low, is only the cost of other communication modes 1/10th, so as to the price advantage of effective lift system.

Specific embodiment of the present utility model is above are only, but design concept of the present utility model is not limited thereto, All changes for carrying out unsubstantiality using this design to this utility model, all should belong to the row for invading this utility model protection domain For.

Claims (7)

1. a kind of structure improved multi-speed electronic let-off control system, including warp knit main body mechanism of machine, it is characterised in that：Also include industry control Machine, Servo Control Board and a plurality of servo-actuating devices for controlling the rotation of tricot machine warp beam, the Servo Control Board bag An ARM microcontroller, a DSP and a data storage is included, the outfan of the industrial computer leads to respectively Cross the Enable Pin that optical fiber is connected to the ARM microcontroller and data storage, the outfan of the ARM microcontroller respectively with The Enable Pin connection of the data storage and DSP.

2. a kind of structure improved multi-speed electronic let-off control system as claimed in claim 1, it is characterised in that：Each described servo Drive mechanism includes a servomotor, a servo-driver being connected with the Enable Pin of the servomotor, one and servo electricity The tricot machine warp beam and one that machine is connected is used for detecting the warp beam encoder of servomotor running status that each servo to be driven The Enable Pin of dynamic device is connected to the outfan of the DSP, the outfan of each warp beam encoder simultaneously The Enable Pin of the DSP is connected to simultaneously.

3. a kind of structure improved multi-speed electronic let-off control system as claimed in claim 2, it is characterised in that：Each servo is driven The Enable Pin of dynamic device is connected to the outfan of the DSP by optical fiber, each warp beam encoder it is defeated Go out the Enable Pin that end is connected to the DSP by optical fiber.

4. a kind of structure improved multi-speed electronic let-off control system as claimed in claim 3, it is characterised in that：The warp knit owner Body mechanism includes that a main shaft, an electronic gear, one are used for detecting the master of spindle motor running status from axle, a spindle motor, one Shaft encoder and a spindle motor control circuit, the torque outfan of the spindle motor respectively with the main shaft and electronics Gear drive connects, and the torque outfan of the electronic gear is connected from axle with described；The spindle motor control circuit Enable Pin be connected to an outfan of the Servo Control Board, the outfan of the spindle motor control circuit is connected to described The Enable Pin of spindle motor, the outfan of the spindle encoder are connected to the Servo Control Board.

5. a kind of structure improved multi-speed electronic let-off control system as claimed in claim 4, it is characterised in that：The ARM micro-controls The outfan of device processed is also respectively connected with the Enable Pin of the electronic gear and spindle motor control circuit.

6. a kind of structure improved multi-speed electronic let-off control system as claimed in claim 4, it is characterised in that：The spindle motor Control circuit includes a soft start circuit module, a fault detect protection module and the intelligent power mould being sequentially connected electrically Block, the Enable Pin of the spindle motor are connected to the outfan of the SPM.

7. a kind of structure improved multi-speed electronic let-off control system as claimed in claim 1, it is characterised in that：The industrial computer Enable Pin is provided with a touch screen.