CN1192960C - Method for postion control by adopting brushless dc motor for twisting cam mechanism of automatic bobbin winder - Google Patents
Method for postion control by adopting brushless dc motor for twisting cam mechanism of automatic bobbin winder Download PDFInfo
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- CN1192960C CN1192960C CN 03116259 CN03116259A CN1192960C CN 1192960 C CN1192960 C CN 1192960C CN 03116259 CN03116259 CN 03116259 CN 03116259 A CN03116259 A CN 03116259A CN 1192960 C CN1192960 C CN 1192960C
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- cam mechanism
- direct current
- current motor
- brushless direct
- motor
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Abstract
The present invention relates to a method using a brushless DC motor for position control in a yarn splicing cam mechanism of an automatic bobbin winder in the field of textile machinery. The whole control system uses a controller of the yarn splicing cam mechanism for controlling the rotation of the brushless DC motor, the brushless DC motor drives a gear reduction box, the reduction box drives the yarn splicing cam mechanism which can be forward and backward rotated, a mechanical zero-position sensor is arranged on the cam mechanism, signals of the sensor are transferred to the controller of the cam mechanism and are used as the reference points of the whole control system, and signals which are emitted by three hall sensors in the brushless DC motor are collected by the controller and are used for controlling the position of the cam mechanism. The present invention has the advantages of positioning function in optional positions of the whole range, high positioning accuracy, stable operation and strong overload capacity.
Description
Technical field
The present invention relates to textile machine electrical control field, be meant that specifically automatic winder Yarn splicing cam mechanism adopts brushless direct current motor to carry out the method for position control
Background technology
The present mode of Yarn splicing cam mechanism in this field, adopt two kinds of forms mostly, a kind of is to use the Induction Motor Control mode, AC238 type automatic winder as German Schlafhorst company, this mode position probing needs to install in addition multi-pole magnet-ring and two Hall elements, control system is loaded down with trivial details, and control accuracy is poor, low-response.Another kind is to use the Step-motor Control mode, and as the ESPERO of Italian Savio S.P.A, this mode overload capacity is poor, and no position probing closed loop control ability only relies on mechanical limit switch single-point location.
Summary of the invention
The objective of the invention is and to be further improved above-mentioned prior art, provide a kind of new employing brushless direct current motor automatic winder Yarn splicing cam mechanism to be carried out the method for position control.
The object of the present invention is achieved like this: The whole control system is rotated by the controller control brushless direct current motor of Yarn splicing cam mechanism, brushless direct current motor driven wheel drop-gear box, the drop-gear box transmission can positive and negative rotation the Yarn splicing cam mechanism, be provided with a mechanical zero sensor on the described cam mechanism, the signal of this mechanical zero sensor passes to the controller of above-mentioned cam mechanism, with this bench mark as The whole control system, described controller is gathered inner three impulse singlas that Hall element sends of brushless direct current motor, and controls the position of cam mechanism with this.Like this, utilize three Hall element signals in the brushless direct current motor, can accurate measure the angle that cam mechanism turns over, carry out the micro-manipulation of position by above-mentioned controller, give the direct current (DC) of the two-phase input 0.5～1A in the three-phase coil in the brushless direct current motor, can produce enough lock torques, thereby can accomplish that cam mechanism is had good crawl function.In actual applications, adopt this control method can make control accuracy≤± 1 ° of Yarn splicing cam mechanism.
Advantage of the present invention is to have omnidistance optional position positioning function, and the accuracy of positioning height operates steadily, and overload capacity is strong.
Description of drawings
Accompanying drawing is the block diagram of technical scheme of the present invention.
The specific embodiment
The present invention is further detailed explanation below in conjunction with accompanying drawing and specific embodiments.Action principle of the present invention is: the controller control brushless direct current motor of Yarn splicing cam mechanism rotates, the motor drive gear drop-gear box, and drop-gear box driving cam mechanism, cam mechanism can forward and reversely rotate.On cam mechanism, be provided with a mechanical zero sensor, this null pick-up signal sends controller to, bench mark as The whole control system, when electrical motor rotates, cam mechanism also slowly rotates with certain reduction ratio, at this moment controller is gathered the impulse singla that three Hall elements of brushless direct current motor in-to-in send, brushless direct current motor adopts 3 pairs of polar forms, electrical motor rotates 1 to be changeed, can sample 9 pulses altogether, such accuracy of detection is enough to satisfy the control requirement of cam mechanism between from 0 ° to 360 °.Simultaneously in the three-phase coil of brushless direct current motor, direct current (DC) to the defeated people 1A of two-phase wherein, just can produce the lock torque of 1.5Nm, can make cam set optional position snap catch between 0 ° to 360 °, thereby can accomplish that cam mechanism has good crawl function, in actual applications, adopting this new technical scheme, the control accuracy of Yarn splicing cam mechanism reached≤and ± 1 °.
For realizing action principle of the present invention, aspect mechanism, done following improvement.As shown in drawings, controller wherein, gear reduction box, Yarn splicing cam mechanism are the component part of former prior art.The brushless direct current motor power 40W that sets up between controller and the gear reduction box, rated speed of rotation 1200r/min, power line voltage DC36V is because this electrical motor is three pairs of utmost point DC Brushless Motor, so provide position pulse signal by three position of magnetic pole Hall elements.Because the gear reduction box reduction ratio is 1200/8.34=143.9,9 pulses take place in three Hall elements altogether and electrical motor is whenever goed around, and turn over 0.28 ° of 0.83 °/3 ≈ so be equivalent to cam mechanism.The mechanical zero sensor comprise be installed on the cam mechanism, the magnet steel of magnetic polarization 〉=60mT, and be installed in unipolarity Hall element on the middle shell wallboard of bobbin-winding machine, the technical characterictic of this sensor is power supply U
S=6～24V, output voltage V
OUT≤ 0.4V, outgoing current I
OUT=20mV, speed of response≤2ns.When the magnetic of above-mentioned magnet steel and described unipolarity Hall element signal at once, whole Yarn splicing Control Circulation system is in zero-bit.
Under normal conditions, as not comprising pause and the reversing time in the process of splicing, then finishing a cycle time from 0 °～360 ° is 7.2s.
Claims (4)
1. adopt brushless direct current motor that the automatic winder cam mechanism of splicing is carried out the method for position control, it is characterized in that: The whole control system is rotated by the controller control brushless direct current motor of Yarn splicing cam mechanism, brushless direct current motor driven wheel drop-gear box, the drop-gear box transmission can positive and negative rotation the Yarn splicing cam mechanism, be provided with a mechanical zero sensor on the described cam mechanism, the signal of this mechanical zero sensor sends the controller of above-mentioned cam mechanism to, with this bench mark as The whole control system, described controller is gathered inner 3 impulse singlas that Hall element sends of brushless direct current motor, and controls the position of cam mechanism with this.
2. employing brushless direct current motor as claimed in claim 1 carries out the method for position control to the automatic winder cam mechanism of splicing, it is characterized in that described brushless direct current motor is three pairs of utmost point DC Brushless Motor, provides position pulse signal by three position of magnetic pole Hall elements.
3. employing brushless direct current motor as claimed in claim 1 carries out the method for position control to the automatic winder cam mechanism of splicing, it is characterized in that described mechanical zero sensor comprise be installed on the cam mechanism, the magnet steel of magnetic polarization 〉=60mT, and be installed in unipolarity Hall element on the bobbin-winding machine middle shell wallboard.
4. employing brushless direct current motor as claimed in claim 3 carries out the method for position control to the automatic winder cam mechanism of splicing, and it is characterized in that the technical characterictic of described unipolarity Hall element is: power supply U
S=6～24V, output voltage V
OUT≤ 0.4V, outgoing current I
OUT=20mV, speed of response≤2ns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03116259 CN1192960C (en) | 2003-04-09 | 2003-04-09 | Method for postion control by adopting brushless dc motor for twisting cam mechanism of automatic bobbin winder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03116259 CN1192960C (en) | 2003-04-09 | 2003-04-09 | Method for postion control by adopting brushless dc motor for twisting cam mechanism of automatic bobbin winder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1449984A CN1449984A (en) | 2003-10-22 |
| CN1192960C true CN1192960C (en) | 2005-03-16 |
Family
ID=28684153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03116259 Expired - Fee Related CN1192960C (en) | 2003-04-09 | 2003-04-09 | Method for postion control by adopting brushless dc motor for twisting cam mechanism of automatic bobbin winder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1192960C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101016129B (en) * | 2006-02-11 | 2011-08-17 | 欧瑞康纺织有限及两合公司 | Thread splicing device for textile machine which produces cross-wound bobbins |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100648464B1 (en) | 2005-10-13 | 2006-11-27 | 삼성전기주식회사 | Control apparatus of brushless dc motor having gearbox and method for controlling it |
| DE102011008298A1 (en) * | 2011-01-11 | 2012-07-12 | Oerlikon Textile Gmbh & Co. Kg | Method for adjusting swivel path of thread feeder arranged at thread splicing apparatus of cross wound bobbin producing textile machine in textile industry, involves detecting consideration during swivel process of correction factor |
| CN104653768A (en) * | 2013-11-25 | 2015-05-27 | 陕西国力信息技术有限公司 | Brushless DC (direct current) motor for large-torque precise self-locking of automobile gear selecting |
| CN104653770A (en) * | 2013-11-25 | 2015-05-27 | 陕西国力信息技术有限公司 | Brushless DC (direct current) motor for large-torque precise self-locking of automobile clutch |
| CN106482753B (en) * | 2016-09-23 | 2019-04-16 | 嘉兴礼海电气科技有限公司 | The driver and control system of position accumulated error can be eliminated automatically |
| CN111302152A (en) * | 2020-03-26 | 2020-06-19 | 青岛宏大纺织机械有限责任公司 | Device and method for controlling accurate yarn feeding of cop suction nozzle |
-
2003
- 2003-04-09 CN CN 03116259 patent/CN1192960C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101016129B (en) * | 2006-02-11 | 2011-08-17 | 欧瑞康纺织有限及两合公司 | Thread splicing device for textile machine which produces cross-wound bobbins |
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| Publication number | Publication date |
|---|---|
| CN1449984A (en) | 2003-10-22 |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI ERFANGJI MACHINERY CO., LTD. Free format text: FORMER OWNER: SHANGHAI SECONDARY TEXTILE MACHINE CO., LTD. Effective date: 20120605 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 200434 HONGKOU, SHANGHAI TO: 200949 BAOSHAN, SHANGHAI |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120605 Address after: 200949 Baoshan District Jinshi Road, Shanghai, No. 881 Patentee after: SHANGHAI ERFANGJI MACHINERY CO., LTD. Address before: 200434 No. 687 middle market, Shanghai Patentee before: Shanghai Secondary Textile Machine Co., Ltd. |
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| C56 | Change in the name or address of the patentee |
Owner name: PACIFIC MECHATRONIC GROUP SHANGHAI TEXTILE MACHINE Free format text: FORMER NAME: SHANGHAI ERFANGJI MACHINERY CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 200949 Baoshan District Jinshi Road, Shanghai, No. 881 Patentee after: Pacific Ocean Shanghai Textile Machinery Co., Ltd of dynamo-electric group Address before: 200949 Baoshan District Jinshi Road, Shanghai, No. 881 Patentee before: SHANGHAI ERFANGJI MACHINERY CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050316 Termination date: 20170409 |
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| CF01 | Termination of patent right due to non-payment of annual fee |