CN109230871A - A kind of phase asynchronous torque motor unwinding driving circuit of induction type and method - Google Patents
A kind of phase asynchronous torque motor unwinding driving circuit of induction type and method Download PDFInfo
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- CN109230871A CN109230871A CN201811191992.5A CN201811191992A CN109230871A CN 109230871 A CN109230871 A CN 109230871A CN 201811191992 A CN201811191992 A CN 201811191992A CN 109230871 A CN109230871 A CN 109230871A
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- circuit
- trigger
- signal
- motor
- induction type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/38—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension
- B65H59/384—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension using electronic means
- B65H59/387—Regulating unwinding speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
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- Control Of Ac Motors In General (AREA)
Abstract
The present invention relates to technical field of motors, in particular to a kind of phase asynchronous torque motor of induction type unwinds driving circuit, comprising: power-supplying circuit, for being rectified and being depressured and being powered three-phase electricity AC380；Synchronous signal impulse trigger circuit is analog differential comparison circuit, and including two comparators, the reference voltage of two comparators is respectively used to form zero crossing pulse signal compared with AC220 one-way communication sine-wave power carries out voltage；Governor circuit, using zero crossing pulse signal as benchmark signal, the triggering angle signal that is needed；Three tunnel trigger angle control circuits respectively correspond three tunnel synchronization signal trigger circuits, when three tunnel trigger angle control circuits trigger together, torque motor output torque.The output of motor torque is quickly realized in the present invention by lower cost, to realize the constant tensile control of yarn.Meanwhile a kind of phase asynchronous torque motor unwinding driving method of induction type being also claimed in the present invention.
Description
Technical field
The present invention relates to technical field of motors, in particular to a kind of phase asynchronous torque motor of induction type unwinds driving circuit
And method.
Background technique
Carbon fiber or glass fibre multiple-axial warp knitting machine need to keep yarn constant-tension during cutting with woven fabric,
So being needed during unreeling using torque motor and control device.Country's torque motor generally uses torque controller at present,
This controller needs to debug voltage at the scene, controls output torque, is just able to maintain the identical tension of yarn, this to be only suitable for separate unit
Motor control tension uses, and then needs tens torque motors, more then one two hundred torque electricity on a yarn unwinding rack less
Machine, every all debugging will waste a large amount of artificial and times, so that implementation cost is substantially improved.
In view of the above problems, the designer is based on being engaged in such product engineering application practical experience and profession abundant for many years
Knowledge, and cooperate the utilization of scientific principle, it is subject to research and innovation, actively to found a kind of phase asynchronous torque motor unwinding of induction type
Driving circuit and method make it with more practicability.
Summary of the invention
The purpose of the present invention is to provide a kind of phase asynchronous torque motor unwinding driving circuit of induction type and methods, can lead to
It crosses lower cost and quickly realizes the output of motor torque, to realize the constant tensile control of yarn.
The technical solution of the present invention is as follows:
A kind of phase asynchronous torque motor unwinding driving circuit of induction type, includes at least: power-supplying circuit, synchronous signal impulse
Trigger circuit, governor circuit and trigger angle control circuit；
Wherein, the power-supplying circuit is used to that three-phase electricity AC380 to be rectified and is depressured, and respectively to synchronous signal impulse
Trigger circuit, governor circuit and trigger angle control circuit are powered；
The synchronous signal impulse trigger circuit is analog differential comparison circuit, including two comparators, two ratios
Reference voltage compared with device is respectively used to compared with AC220 one-way communication sine-wave power carries out voltage, and forms zero crossing pulse
Signal；
The governor circuit, by calculating and delay pattern, is needed using the zero crossing pulse signal as benchmark signal
Angle signal is triggered, the trigger angle control circuit is connected；
Trigger angle control circuit described in three tunnels respectively corresponds three tunnel synchronization signal trigger circuits, when three tunnel trigger angle control circuits one
When with triggering, torque motor output torque.
It further, further include DC power supply isolation circuit, the DC power supply isolation circuit is used for the synchronous letter
Number pulsed triggering circuit is individually powered.
A kind of phase asynchronous torque motor unwinding driving method of induction type, comprising the following steps:
Step 1: the tension value according to needed for yarn, the motor torque needed for being determined under any take-up diameter by formula M=FD,
Wherein D is real-time take-up diameter, and F is yarn pulling force, and M is motor torque；
Step 2: by adjust motor supply voltage Trigger Angle, by the torque adjusting of motor into the step 1 needed for
Value.
Further, in the step 1, the calculation formula of take-up diameter is as follows:
D=2W/πgN
Wherein:
D is real-time take-up diameter；
W is coiling yarn weight；
G is yarn rice weight；
N is that number is enclosed in current winding.
Further, the synchronous signal impulse trigger circuit of motor is independently-powered.
Further, in step 2, adjust motor supply voltage Trigger Angle the following steps are included:
Using AC220 single phase ac sine-wave power input decompression after respectively with 2 comparator references in differential comparison circuit
Voltage-contrast obtains and is greater than two rectangles that first comparator anode and second comparator negative terminal export respectively by sine wave
Pulse is superimposed two rectangular pulses, and the time triggered jointly is the zero crossing burst length, and every half period obtains one
Zero crossing trigger signal, the zero crossing trigger signal are that high level inputs to governor circuit, and governor circuit is with crossover point signal
For benchmark signal, the triggering angle signal needed, to adjust the Trigger Angle of motor supply voltage.
By above scheme, the present invention has at least the following advantages:
According to the technical solution of the present invention, motor control cost is reduced, manpower and time brought by manual debugging are saved
Cost only need to initially set up and store the corresponding data table of Trigger Angle and torque in use, export corresponding Trigger Angle
When torque motor can be driven, current moment values are exported, to effectively keep the constant-tension of current yarn.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in invention, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of the phase asynchronous torque motor unwinding driving circuit of induction type in the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
The phase asynchronous torque motor of induction type in the present invention unwinds driving circuit, comprising: power-supplying circuit, synchronous letter
Number pulsed triggering circuit, governor circuit and trigger angle control circuit；Wherein, power-supplying circuit be used for by three-phase electricity AC380 into
Row rectification and decompression are DC5V, and carry out respectively to synchronous signal impulse trigger circuit, governor circuit and trigger angle control circuit
Power supply；Synchronous signal impulse trigger circuit is analog differential comparison circuit, including two comparators, the base of two comparators
Quasi- voltage is respectively used to compared with AC220 one-way communication sine-wave power carries out voltage, and forms zero crossing pulse signal；Master control
Circuit makes to trigger using zero crossing pulse signal as benchmark signal by calculating and delay pattern, the triggering angle signal needed
Angle control circuit conducting；Three tunnel trigger angle control circuits respectively correspond three tunnel synchronization signal trigger circuits, when three road Trigger Angle controls
When circuit processed triggers together, torque motor output torque；It also needs to include testing the speed and counting circle number control electricity in the specific implementation process
Road, warning circuit, 485 communicating circuits, wherein test the speed and count circle number control circuit and receive the setting motor that host computer sends over
Tension value parameter, testing the speed and count circle number control circuit is that a magnetic rotary encoder by A phase or B phase can count umber of pulse,
Z phase can be counted and enclose number, and warning circuit can carry out problem by way of cutting off the power and alarming in circuit abnormal and
When effectively handle and warn.
The phase asynchronous torque motor unwinding driving circuit of induction type in the present invention reduces motor control cost, saves
Manpower and time cost brought by manual debugging need to only be triggered by lot of experimental data first in use
The corresponding data table and curve graph at angle and torque, store it in governor circuit, can be driven when exporting corresponding Trigger Angle
Torque motor exports current desired moment values.Specifically, tension value F required for yarn, 485 communications are arranged as host computer
Circuit transmission is to governor circuit, and D can be measured and be calculated by measuring device, so that the current desired tension wanted can be obtained
Value M, governor circuit export corresponding Trigger Angle, control Trigger Angle control according to the Trigger Angle and torque corresponding data table stored in advance
Circuit drives torque motor processed, exports current moment values, it can the tension value of current yarn is kept by unwinding device.
It further include DC power supply isolation circuit as the preferred of above-described embodiment, DC power supply isolation circuit is used for same
Step signal pulse trigger circuit is individually powered, therefore this circuit is analog differential comparison circuit, needs to prevent interference to guarantee to control
The precision of system.
A kind of phase asynchronous torque motor unwinding driving method of induction type, comprising the following steps:
Step 1: the tension value according to needed for yarn, the motor torque needed for being determined under any take-up diameter by formula M=FD,
Wherein D is real-time take-up diameter, and F is yarn pulling force, and M is motor torque；
Step 2: by adjust motor supply voltage Trigger Angle be by desirable value of the torque adjusting of motor into step 1
Differential comparison circuit is avoided to be interfered, the sine wave trigger circuit of motor is independently-powered.
Wherein, in step 1, the calculation formula of take-up diameter is as follows:
D=2W/πgN
D is real-time take-up diameter；
W is coiling yarn weight；
G is yarn rice weight；
N is that number is enclosed in current winding.
In the specific implementation process, in step 2, the Trigger Angle of motor supply voltage is adjusted the following steps are included: utilizing
AC220 single phase ac sine-wave power input decompression after respectively with 2 comparator reference voltage-contrasts in differential comparison circuit,
It obtains and two rectangular pulses that first comparator anode and second comparator negative terminal export respectively is greater than by sine wave, two
A rectangular pulse superposition, the time triggered jointly are the zero crossing burst length, and every half period obtains a zero crossing touching
It signals, the zero crossing trigger signal is that high level inputs to governor circuit, and governor circuit is believed on the basis of crossover point signal
Number, the triggering angle signal needed, so that the Trigger Angle of motor supply voltage is adjusted, specifically, passing through synchronous signal impulse
Trigger circuit, available 120 ° of three phase phase differences of zero point trigger pulse, i.e. AC sine wave, zero crossing just export one
Pulse；By this zero point trigger signal, governor circuit obtains desired Trigger Angle, Dang Sanlu by calculating and delay time
When trigger angle control circuit triggers together, then torque motor output torque.
The above is only a preferred embodiment of the present invention, it is not intended to restrict the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is several improvement and
Modification, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of phase asynchronous torque motor of induction type unwinds driving circuit, which is characterized in that include at least: power supply power supply electricity
Road, synchronous signal impulse trigger circuit, governor circuit and trigger angle control circuit；
Wherein, the power-supplying circuit is used to that three-phase electricity AC380 to be rectified and is depressured, and respectively to synchronous signal impulse
Trigger circuit, governor circuit and trigger angle control circuit are powered；
The synchronous signal impulse trigger circuit is analog differential comparison circuit, including two comparators, two ratios
Reference voltage compared with device is respectively used to compared with AC220 one-way communication sine-wave power carries out voltage, and forms zero crossing pulse
Signal；
The governor circuit, by calculating and delay pattern, is needed using the zero crossing pulse signal as benchmark signal
Angle signal is triggered, the trigger angle control circuit is connected；
Trigger angle control circuit described in three tunnels respectively corresponds three tunnel synchronization signal trigger circuits, when three tunnel trigger angle control circuits one
When with triggering, torque motor output torque.
2. the phase asynchronous torque motor of induction type according to claim 1 unwinds driving circuit, which is characterized in that further include
DC power supply isolation circuit, the DC power supply isolation circuit is for individually powering to the synchronous signal impulse trigger circuit.
3. a kind of phase asynchronous torque motor of induction type unwinds driving method, which comprises the following steps:
Step 1: the tension value according to needed for yarn, the motor torque needed for being determined under any take-up diameter by formula M=FD；
Step 2: by adjust motor supply voltage Trigger Angle, by the torque adjusting of motor into the step 1 needed for
Value.
4. the phase asynchronous torque motor of induction type according to claim 3 unwinds driving method, it is characterised in that: the step
In rapid one, the calculation formula of take-up diameter is as follows:
D=2W/πgN
Wherein:
D is real-time take-up diameter；
W is coiling yarn weight；
G is yarn rice weight；
N is that number is enclosed in current winding.
5. the phase asynchronous torque motor of induction type according to claim 3 unwinds driving method, it is characterised in that: the electricity
The synchronous signal impulse trigger circuit of machine is independently-powered.
6. the phase asynchronous torque motor of induction type according to claim 3 unwinds driving method, it is characterised in that: step 2
In, adjust motor supply voltage Trigger Angle the following steps are included:
Using AC220 single phase ac sine-wave power input decompression after respectively with 2 comparator references in differential comparison circuit
Voltage-contrast obtains and is greater than two rectangles that first comparator anode and second comparator negative terminal export respectively by sine wave
Pulse is superimposed two rectangular pulses, and the time triggered jointly is the zero crossing burst length, and every half period obtains one
Zero crossing trigger signal, the zero crossing trigger signal are that high level inputs to governor circuit, and governor circuit is with crossover point signal
For benchmark signal, the triggering angle signal needed, to adjust the Trigger Angle of motor supply voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811191992.5A CN109230871B (en) | 2018-10-12 | 2018-10-12 | Unwinding driving circuit and method for induction type three-phase asynchronous torque motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811191992.5A CN109230871B (en) | 2018-10-12 | 2018-10-12 | Unwinding driving circuit and method for induction type three-phase asynchronous torque motor |
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| Publication Number | Publication Date |
|---|---|
| CN109230871A true CN109230871A (en) | 2019-01-18 |
| CN109230871B CN109230871B (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6052472A (en) * | 1983-09-01 | 1985-03-25 | Murata Mach Ltd | Reeling method for thread |
| CN1064375A (en) * | 1991-02-11 | 1992-09-09 | 李兴源 | Ac speed adjusting squirrel-cage induction motor |
| CN2503663Y (en) * | 2001-10-25 | 2002-07-31 | 深圳市哈德森科技开发有限公司 | Intelligence flexible power-supply control device for three-phase A.C. asynchronous dynamo |
| CN201372137Y (en) * | 2009-03-18 | 2009-12-30 | 北京中科远恒科技有限公司 | Winding device and textile machine with same |
| CN201403069Y (en) * | 2009-04-13 | 2010-02-10 | 丛子生 | Torque motor controller |
| CN102006003A (en) * | 2010-12-01 | 2011-04-06 | 于洋 | Three-phase asynchronous motor economizer |
| CN102185543A (en) * | 2010-07-15 | 2011-09-14 | 上海海洋大学 | Energy-saving soft-start device for high-voltage asynchronous motor |
| CN202168026U (en) * | 2010-09-17 | 2012-03-14 | 东营爱特机电技术有限责任公司 | Speed regulating device of high-power direct current motor rectified by multi-pulse |
| CN103326662A (en) * | 2013-06-28 | 2013-09-25 | 华南理工大学 | Energy-saving controller for three-phase alternating-current asynchronous motor and control method of energy-saving controller |
| CN204265074U (en) * | 2014-09-28 | 2015-04-15 | 常州市新创复合材料有限公司 | Creel tension automatic regulating device |
| CN107276457A (en) * | 2017-07-17 | 2017-10-20 | 天津理工大学 | A kind of soft-starter of asynchronous motor and its control method |
-
2018
- 2018-10-12 CN CN201811191992.5A patent/CN109230871B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6052472A (en) * | 1983-09-01 | 1985-03-25 | Murata Mach Ltd | Reeling method for thread |
| CN1064375A (en) * | 1991-02-11 | 1992-09-09 | 李兴源 | Ac speed adjusting squirrel-cage induction motor |
| CN2503663Y (en) * | 2001-10-25 | 2002-07-31 | 深圳市哈德森科技开发有限公司 | Intelligence flexible power-supply control device for three-phase A.C. asynchronous dynamo |
| CN201372137Y (en) * | 2009-03-18 | 2009-12-30 | 北京中科远恒科技有限公司 | Winding device and textile machine with same |
| CN201403069Y (en) * | 2009-04-13 | 2010-02-10 | 丛子生 | Torque motor controller |
| CN102185543A (en) * | 2010-07-15 | 2011-09-14 | 上海海洋大学 | Energy-saving soft-start device for high-voltage asynchronous motor |
| CN202168026U (en) * | 2010-09-17 | 2012-03-14 | 东营爱特机电技术有限责任公司 | Speed regulating device of high-power direct current motor rectified by multi-pulse |
| CN102006003A (en) * | 2010-12-01 | 2011-04-06 | 于洋 | Three-phase asynchronous motor economizer |
| CN103326662A (en) * | 2013-06-28 | 2013-09-25 | 华南理工大学 | Energy-saving controller for three-phase alternating-current asynchronous motor and control method of energy-saving controller |
| CN204265074U (en) * | 2014-09-28 | 2015-04-15 | 常州市新创复合材料有限公司 | Creel tension automatic regulating device |
| CN107276457A (en) * | 2017-07-17 | 2017-10-20 | 天津理工大学 | A kind of soft-starter of asynchronous motor and its control method |
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| CN109230871B (en) | 2020-12-25 |
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