CN203255805U - Brushless direct current motor constant tension controller for winding machine - Google Patents

Brushless direct current motor constant tension controller for winding machine Download PDF

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Publication number
CN203255805U
CN203255805U CN 201320291100 CN201320291100U CN203255805U CN 203255805 U CN203255805 U CN 203255805U CN 201320291100 CN201320291100 CN 201320291100 CN 201320291100 U CN201320291100 U CN 201320291100U CN 203255805 U CN203255805 U CN 203255805U
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tension
unit
signal
links
input end
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CN 201320291100
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Chinese (zh)
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周美兰
李志�
张宇
毕胜尧
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Harbin University of Science and Technology
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Harbin University of Science and Technology
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Abstract

The utility model provides a brushless direct current motor constant tension controller for a winding machine and relates to a winding machine tension control device in textile industry. The brushless direct current motor constant tension controller provided by the utility model is used for solving the problems of tension fluctuation and instability in the yarn conveying process of the winding machine in the textile industry. The brushless direct current motor constant tension controller provided by the utility model comprises a tension signal collecting unit, a tension setting unit, a tension signal conditioning unit, a Hall position sensor, a speed and position signal conditioning unit, a Hall current sensor, a current signal conditioning unit, a digital signal processor, an inverter driving unit, a power main circuit unit, a tension display unit, a protection unit and a tension sensor, wherein the tension sensor transmits a sensed tension value to the tension signal collecting unit, the digital signal processor performs closed loop control on tension, speed and current to enable a constant tension yarn feeding device to ensure uniform yarns and constant tension in starting, operating and braking processes of a winding motor, and the digital signal processor has a complete protection function. The brushless direct current motor constant tension controller provided by the utility model is suitable for controlling the yarn tension in the textile industry.

Description

Winder brushless DC motor constant tension controller
Technical field
The utility model relates to textile industry bobbin-winding machine tenslator, is specifically related to a kind of winder brushless DC motor constant tension controller.
Background technology
At present, the type of tensioner mainly contains disc type, cylinder type etc. on the domestic bobbin-winding machine, bobbin-winding machine need be considered the size of yarn tension when Spinning Frame cop package is out become cheese, thereby determine the density that cheese is reeled, but existing these mechanical tension-adjusting gears, can not automatically adjust along with the variation of unwinding tension the size of additional tension, thereby these tensioners do not guarantee the constant of yarn tension.Though and external tension control technology has solved the problem of doff tension force control, but product engineering holds in close confidence, and added value of product is high, expensive.
The utility model content
The purpose of this utility model is tension fluctuation, unsettled problem when solving in the textile industry bobbin-winding machine line sending, has proposed winder brushless DC motor constant tension controller.
Winder brushless DC motor constant tension controller; it comprises tension signal collecting unit, tension force setup unit, tension signal conditioning unit, hall position sensor, velocity location signal condition unit, Hall current sensor, current signal conditioning unit, digital signal processor, inverter driving moving cell, power main circuit unit, tension display unit, protected location and tension pick-up
The induced signal mouth of tension pick-up links to each other with the signal input part of tension signal collecting unit, the signal output part of tension signal collecting unit links to each other with the tension signal input end of tension signal conditioning unit, the signal output part of tension force setup unit links to each other with the given signal input part of tension signal conditioning unit, the given signal output part of tension signal conditioning unit links to each other with the conditioned signal input end of digital signal processor, the position signal mouth of hall position sensor links to each other with the position signal input end of velocity location signal condition, the speed signal mouth of velocity location signal condition unit links to each other with the speed signal input end of digital signal processor, the current signal output end of Hall current sensor links to each other with the current signal input end of current signal conditioning unit, the current signal output end of current signal conditioning unit links to each other with the current signal input end of digital signal processor
The display input end of tension display unit links to each other with the display mouth of digital signal processor; the overcurrent protection mouth of protected location links to each other with the overcurrent protection input end of digital signal processor; the control signal mouth of digital signal processor links to each other with the control signal input end of inverter driving moving cell; the driving signal output part of inverter driving moving cell links to each other with the driving signal input of power main circuit unit, and the control signal mouth of power main circuit unit links to each other with the control signal input end of motor.
Winder brushless DC motor constant tension controller of the present utility model is realized digital tension force, speed, the winder brushless DC motor constant tension controller of electric current three closed loop controls.
Traditional tension control system all is to set in advance a constant tension force controlling valu, it does not change because of the variation of yarn tension, therefore, because the variation of winding tension can cause rolling density irregular, the utility model is set the given tension value by touch-screen, thereby the size of yarn tension and adopt intelligent PID control method to regulate the rotating speed of dc brushless motor when becoming cheese by the package of Real-time Collection cop, pass through tension force, speed and electric current three closed loop controls so that the coiling electrical motor starting, operation, permanent tension force is fed the yarn device and all can be guaranteed Yarn homogeneous in the braking procedure, constant tension, constant tension can guarantee that Winding Density of Cheese is even, cheese is knotless, the yarn defect is few, filoplume is few.This system has the functions such as tension force setting, overcurrent protection, false alarm, has realized the automation of winding process.
Description of drawings
Fig. 1 is the structured flowchart of the specific embodiment one described winder brushless DC motor constant tension controller;
Fig. 2 is textile industry bobbin-winding machine running state constructional drawing, and wherein L represents winder brushless DC motor constant tension controller described in the utility model, and P represents to store yarn yarn cylinder, and Q represents to yarn yarn cylinder, M 1, M 2And M 3All represent motor, wherein M 1Motor for the utility model control;
Accompanying drawing 3 is winder brushless DC motor constant tension controller control principle scheme drawings;
Accompanying drawing 4 is circuit connection diagrams of power main circuit unit;
Accompanying drawing 5 is current detection circuit connection diagrams;
Accompanying drawing 6 is tension signal collecting unit circuit connection diagrams;
Accompanying drawing 7 protected location circuit connection diagrams.
The specific embodiment
The specific embodiment one: present embodiment is described referring to Fig. 1; the described winder brushless DC motor of present embodiment constant tension controller; it comprises tension signal collecting unit 1; tension force setup unit 2; tension signal conditioning unit 3; hall position sensor 4; velocity location signal condition unit 5; Hall current sensor 6; current signal conditioning unit 7; digital signal processor 8; inverter driving moving cell 9; power main circuit unit 10; tension display unit 13; protected location 14 and tension pick-up 15
The induced signal mouth of tension pick-up 15 links to each other with the signal input part of tension signal collecting unit 1, the signal output part of tension signal collecting unit 1 links to each other with the tension signal input end of tension signal conditioning unit 3, the signal output part of tension force setup unit 2 links to each other with the given signal input part of tension signal conditioning unit 3, the given signal output part of tension signal conditioning unit 3 links to each other with the conditioned signal input end of digital signal processor 8, the position signal mouth of hall position sensor 4 links to each other with the position signal input end of velocity location signal condition 5, the speed signal mouth of velocity location signal condition unit 5 links to each other with the speed signal input end of digital signal processor 8, the current signal output end of Hall current sensor 6 links to each other with the current signal input end of current signal conditioning unit 7, the current signal output end of current signal conditioning unit 7 links to each other with the current signal input end of digital signal processor 8
The display input end of tension display unit 13 links to each other with the display mouth of digital signal processor 8; the overcurrent protection mouth of protected location 14 links to each other with the overcurrent protection input end of digital signal processor 8; the control signal mouth of digital signal processor 8 links to each other with the control signal input end of inverter driving moving cell 9; the driving signal output part of inverter driving moving cell 9 links to each other with the driving signal input of power main circuit unit 10, and the control signal mouth of power main circuit unit 10 links to each other with the control signal input end of motor 11.
The specific embodiment two: present embodiment is the further restriction to the specific embodiment one described winder brushless DC motor constant tension controller, and described digital signal processor 8 adopts chip TMS 320 F 2812 to realize.
The specific embodiment three: present embodiment is described referring to Fig. 4, present embodiment is the further restriction to the specific embodiment one described winder brushless DC motor constant tension controller, described power main circuit unit 10 comprises rectification unit B, soft start unit A and inversion unit C
Described soft start unit A is by switch J 1, resistance R 1, resistance R 2And capacitor C 3Form resistance R 2And capacitor C 3Be connected in series rear and resistance R 1With switch J 1Parallel connection,
Described rectification unit B is by rectifier bridge, capacitor C 1, capacitor C 2And resistance R 3Form capacitor C 1, capacitor C 2And resistance R 3Be connected in parallel, and the end after the parallel connection links to each other the other end after the parallel connection and switch J with the lower brachium pontis of rectifier bridge 1Static contact link to each other switch J 1Moving contact link to each other with the upper brachium pontis of rectifier bridge,
Described inversion unit C is the three-phase inversion bridge circuit, the input end of this three-phase inversion bridge circuit and resistance R 3Parallel connection, the three-phase output of this three-phase inversion bridge circuit links to each other with motor 11.
This enforcement side is that described rectifier bridge is the uncontrollable rectifier bridge of two-phase, and the 220V sinusoidal ac is through the rectifier bridge rectification of rectification unit B, again through capacitor C 1, capacitor C 2And resistance R 3After the filtering as the direct voltage source of three phase inverter bridge, capacitor C 1Be chosen for large, the withstand voltage high chemical capacitor of appearance value so that DC bus-bar voltage is steady, the direct current (DC) quality is better, resistance R 3And capacitor C 2Consist of a low-pass filter, the spine of filtering DC bus-bar voltage.
When inverter DC bus-bar voltage shakiness or voltage magnitude were inadequate, electrical motor can not work.And directly reservoir capacitance charging meeting is caused very large impact to electric capacity, so design soft start unit A, when system powers on because the R of resistance 1The size of effect restriction charging current so that system's DC bus-bar voltage increases gradually, treat C 1After the magnitude of voltage at two ends reaches certain value, make relay normally open contact closed by control signal, the energy disperser short circuit is fallen to prevent R 1Consume extra power, improve system effectiveness.
The binistor of the inversion unit of present embodiment selects power switch MOSFET to get final product, because the utility model is higher to the switch frequency requirement, and drive motor power is not very large.
Working process:
In conjunction with Fig. 2 and Fig. 3 working process of the present utility model is described, tension force setup unit 2 the tension force setting value is transmitted is input to tension signal conditioning unit 3 by given signal input part, the tension force of 15 pairs of yarns of tension pick-up is measured in real time, tension pick-up 15 is transferred to tension signal collecting unit 1 with the tension force of the yarn that collects, after adjusting, tension signal conditioning unit 3FIR filtering is input to digital signal processor 8 as the tension feedback value, digital signal processor 8 compares tension force setting value and tension feedback value, and carry out PID through the INTELLIGENT PID REGULATOR of digital signal processor 8 and regulate and obtain the speed preset value
Adopt 4 pairs of motor rotor positions of hall position sensor to detect and be input to velocity location signal condition unit 5, behind velocity location signal condition unit 5 filter and amplifications, be input to digital signal processor 8, digital signal processor 8 calculates rotating speed according to motor rotor position, and with this rotating speed as speed feedback value, the speed regulator of digital signal processor 8 inside is compared this speed feedback value with the speed preset value, obtain the given value of current value
Adopt the electric current of 6 pairs of rotors of Hall current sensor to detect, and the current value that detection obtains is input to current signal conditioning unit 7, this current value is converted into digital quantity behind current signal conditioning unit 7 filter and amplifications, this digital quantity is input to digital signal processor 8 through the current signal input end, and compare with the given value of current value, current relay output pwm signal through digital signal processor 8 inside, pwm signal is through the 6N137 light-coupled isolation, guarantee that control chip is not disturbed, flow to succession by 74LS06 negate shaping and drive chip I R2110, inherit the power switch MOSFET of the inversion unit that drives chip I R2110 output drive signal driving power main circuit unit 10, thereby obtain supplying with the voltage of electrical motor, control by control motor 11 and feed the purpose that the permanent tension force of roller 12 realizations is fed yarn.
Control the torque of brshless DC motor by the phase current that detects brshless DC motor, thereby improve the acceleration capability of brushless direct current motor and reduce torque pulsation.
The utility model is simple in structure, and cost is low, and real-time is high, and control accuracy is good, and the variation that utilizes yarn tension sensor to detect in real time yarn tension is regulated in real time and fed motor speed, reaches control and feeds the constant purpose of yarn tension.
The utility model is set the given tension value by touch-screen, and touch-screen is the tension force setup unit, with touch-screen as main website, with digital signal processor 8 as slave station, realize based on the MODBUS communications protocol master-slave communication.Slave station adopts the mode of interrupting to receive and send data.Tension force by 15 pairs of yarns of tension pick-up is measured in real time, and the signal that measures is transferred to tension signal collecting unit 1, the physical circuit figure of tension signal collecting unit 1 as shown in Figure 6, the ADC module of digital signal processor 8 inside converts the analog quantity that 1 transmission of tension signal collecting unit comes to digital quantity that digital signal processor 8 can be identified, demarcate rear data by digital signal processor 8, being sent to touch-screen by the MODBUS communication protocol based on the RS485 interface on the one hand shows in real time, for customer analysis, carry out fuzzy after the value of on the other hand calibrated tension value being passed to fuzzy controller and setting compares and calculate, calculate the speed reference n of motor *, the rotating speed of real-time regulating electric machine, thus reach the purpose of controlling yarn tension.
The utility model adopts the position of 4 pairs of motor drive controllers of hall position sensor to detect, and utilizing the rotor of hall position sensor 4 work also is the rotor of Hall element simultaneously.Distinguish the residing position of rotor by strong and weak variation the in the epitrochanterian magnetic field of perception.The output signal of hall position sensor 4 is pulled to capturing unit CAP1, CAP2, the CAP3 pin that 3.3V delivers to digital signal processor 8 after optocoupler 6N137 isolation processing is by 74LS06, thereby realized the electrical isolation between power circuit and the control circuit, improved the antijamming capability of system.And digital signal processor 8 calculates rotor-position and rotating speed, obtains actual speed n and given rotating speed n *Velocity deviation value e k, carry out rotating speed PID through speed controller and regulate, with the output of the rotating speed outer shroud given input as current inner loop, the output of electric current loop is then controlled the dutycycle of pwm signal and is carried out current closed-loop control.
Adopt Hall current sensor 6 to realize the current detecting of motor drive controller, native system adopts the high-precision A/D chip ADS8322 of TI company, as shown in Figure 5, the voltage signal of Hall current sensor FS050B conversion is converted to the digital quantity that DSP identifies, finishes current closed-loop control with current reference value.The 2.5V benchmark that provides of ADS8322 inside can be used as the benchmark input in addition, and what analog input was adopted is that the difference input can be connected with Hall current sensor 6.
What native system adopted is can be at measured waveform fitfull ac and dc current under the electrically isolated condition, the FS050B potline current Hall element that precision is high, antijamming capability is strong,
The particular circuit configurations of protected location 14 as shown in Figure 7; carrying out amplifier when dc bus current is too high after the sampling resistor sampling processes; after optocoupler 6N137 isolation; if the breakdown signal of output low level; this signal will be input to the PDPINTA pin of DSP, and DSP will start the PDP interrupt service subroutine immediately, blocks pwm signal output; thereby reach the purpose of overcurrent protection, the assurance system can move safely and reliably.

Claims (3)

1. winder brushless DC motor constant tension controller; it is characterized in that; it comprises tension signal collecting unit (1); tension force setup unit (2); tension signal conditioning unit (3); hall position sensor (4); velocity location signal condition unit (5); Hall current sensor (6); current signal conditioning unit (7); digital signal processor (8); inverter driving moving cell (9); power main circuit unit (10); tension display unit (13); protected location (14) and tension pick-up (15)
The induced signal mouth of tension pick-up (15) links to each other with the signal input part of tension signal collecting unit (1), the signal output part of tension signal collecting unit (1) links to each other with the tension signal input end of tension signal conditioning unit (3), the signal output part of tension force setup unit (2) links to each other with the given signal input part of tension signal conditioning unit (3), the given signal output part of tension signal conditioning unit (3) links to each other with the conditioned signal input end of digital signal processor (8), the position signal mouth of hall position sensor (4) links to each other with the position signal input end of velocity location signal condition (5), the speed signal mouth of velocity location signal condition unit (5) links to each other with the speed signal input end of digital signal processor (8), the current signal output end of Hall current sensor (6) links to each other with the current signal input end of current signal conditioning unit (7), the current signal output end of current signal conditioning unit (7) links to each other with the current signal input end of digital signal processor (8)
The display input end of tension display unit (13) links to each other with the display mouth of digital signal processor (8); the overcurrent protection mouth of protected location (14) links to each other with the overcurrent protection input end of digital signal processor (8); the control signal mouth of digital signal processor (8) links to each other with the control signal input end of inverter driving moving cell (9); the driving signal output part of inverter driving moving cell (9) links to each other with the driving signal input of power main circuit unit (10), and the control signal mouth of power main circuit unit (10) links to each other with the control signal input end of motor (11).
2. winder brushless DC motor constant tension controller according to claim 1 is characterized in that, described digital signal processor (8) adopts chip TMS 320 F 2812 to realize.
3. winder brushless DC motor constant tension controller according to claim 1 is characterized in that, described power main circuit unit (10) comprises rectification unit (B), soft start unit (A) and inversion unit (C),
Described soft start unit (A) is by switch (J 1), resistance R 1, resistance R 2And capacitor C 3Form resistance R 2And capacitor C 3Be connected in series rear and resistance R 1And switch (J 1) parallel connection,
Described rectification unit (B) is by rectifier bridge, capacitor C 1, capacitor C 2And resistance R 3Form capacitor C 1, capacitor C 2And resistance R 3Be connected in parallel, and the end after the parallel connection links to each other the other end after the parallel connection and switch (J with the lower brachium pontis of rectifier bridge 1) static contact link to each other switch (J 1) moving contact link to each other with the upper brachium pontis of rectifier bridge,
Described inversion unit (C) is the three-phase inversion bridge circuit, the input end of this three-phase inversion bridge circuit and resistance R 3Parallel connection, the three-phase output of this three-phase inversion bridge circuit links to each other with motor (11).
CN 201320291100 2013-05-24 2013-05-24 Brushless direct current motor constant tension controller for winding machine Expired - Fee Related CN203255805U (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104709763A (en) * 2014-12-23 2015-06-17 浙江伟峰机械有限公司 Flat winding type high-speed bobbin winder
CN104828645A (en) * 2015-03-23 2015-08-12 华东理工大学 Over-feeding tension control apparatus of yarn and testing method thereof, and tension control system
CN105523440A (en) * 2014-10-17 2016-04-27 索若德国两合股份有限公司 Weaving machine comprising circuit board and circuit board
CN105540339A (en) * 2016-01-22 2016-05-04 华南理工大学 Automatic yarn feeding system for air wrapping yarn machine and automatic yarn feeding method
CN105856635A (en) * 2016-04-05 2016-08-17 武汉理工大学 Tension control system and method for corrugated paper production line
CN108439063A (en) * 2017-02-16 2018-08-24 常州百鼎纺织科技有限公司 Grooved drum type spooler intelligence control system
CN110723594A (en) * 2019-10-14 2020-01-24 上海宇航系统工程研究所 Rope tying tension control device and method
CN115043261A (en) * 2022-07-28 2022-09-13 西安英利科电气科技有限公司 Constant-tension yarn feeder and control method

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105523440A (en) * 2014-10-17 2016-04-27 索若德国两合股份有限公司 Weaving machine comprising circuit board and circuit board
CN104709763A (en) * 2014-12-23 2015-06-17 浙江伟峰机械有限公司 Flat winding type high-speed bobbin winder
CN104828645A (en) * 2015-03-23 2015-08-12 华东理工大学 Over-feeding tension control apparatus of yarn and testing method thereof, and tension control system
CN104828645B (en) * 2015-03-23 2018-01-26 华东理工大学 Yarn overfeeding tenslator and its method of testing and tension control system
CN105540339A (en) * 2016-01-22 2016-05-04 华南理工大学 Automatic yarn feeding system for air wrapping yarn machine and automatic yarn feeding method
CN105540339B (en) * 2016-01-22 2018-07-20 华南理工大学 A kind of automatic wire inlet system and method for air yarn cladding machine
CN105856635A (en) * 2016-04-05 2016-08-17 武汉理工大学 Tension control system and method for corrugated paper production line
CN105856635B (en) * 2016-04-05 2017-12-08 武汉理工大学 A kind of tension control system and control method for corrugated paper production line
CN108439063A (en) * 2017-02-16 2018-08-24 常州百鼎纺织科技有限公司 Grooved drum type spooler intelligence control system
CN110723594A (en) * 2019-10-14 2020-01-24 上海宇航系统工程研究所 Rope tying tension control device and method
CN115043261A (en) * 2022-07-28 2022-09-13 西安英利科电气科技有限公司 Constant-tension yarn feeder and control method

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Granted publication date: 20131030

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