CN203795053U - Texturing machine - Google Patents
Texturing machine Download PDFInfo
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- CN203795053U CN203795053U CN201420115152.1U CN201420115152U CN203795053U CN 203795053 U CN203795053 U CN 203795053U CN 201420115152 U CN201420115152 U CN 201420115152U CN 203795053 U CN203795053 U CN 203795053U
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- 238000004804 winding Methods 0.000 claims abstract description 29
- 238000012545 processing Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims description 52
- 238000004891 communication Methods 0.000 claims description 18
- 230000009183 running Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000005070 sampling Methods 0.000 description 9
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a texturing machine. The texturing machine comprises multiple processing points for conducting tensile deformation on synthetic filaments, each processing point is internally provided with a drafting working unit, a deformation working unit and a winding working unit, an electric individual drive is configured for at least one working unit in each processing point, each individual drive is provided with an actuator and is composed of a motor in which a rotor is a permanent magnet without exciting currents and a stator is composed of multiple phase windings, the actuators detect currents of the phase windings of the motors and calculate back electromotive force voltages so as to acquire position information of the rotors, and a master controller which communicates with the actuators acquires the real-time speed of the motors according to the position information of the rotors. The actuators can acquire detailed position information of the rotors in a sensorless control mode while high-speed smooth operation of the motors is kept, a rotor position sensor or a speed measuring sensor does not need to be additionally arranged, feedback deviation caused by the installation angles of sensors or the environment temperature change is reduced, real-time monitoring on the rotating speed of the individual drives is achieved, and closed-loop control can be achieved according to speed feedback.
Description
Technical field
The utility model relates to field of textile machinery, is specifically related to a kind of Texturing Machines.
Background technology
For draw texture plurality of threads, Texturing Machines has corresponding multiple processing stand.Each processing stand comprises multiple operation units, and for example drafting system, transport, false twist texturing unit and coiler device, according to these devices, synthetic thread drawing-off in processing stand, are out of shape and are wound into a yarn cylinder.In order to drive, operation unit is known two kinds of different schemes:
The first scheme is that a drive unit drives multiple settings synchronously to rotate by power transmission shaft, thereby realize drawing-off, conveying, distortion and coiling to each processing stand, the shortcoming of this scheme is to control respectively each processing stand, owing to being overall transmission, cannot realize the start-stop to single setting;
First scheme is for to drive each operation unit by independent transmission in processing stand, and the independent transmission of adjacent processing stand, by a transducer drive in groups, by the mode of power supply between the independent transmission of switch on and off and frequency converter, realizes the start-stop of independent transmission; This scheme has solved the single setting shortcoming of start-stop separately in the first scheme, but, owing to being the multiple independent transmissions of transducer drive in groups, cannot realize the closed-loop control of single transmission speed, the speed of single transmission can only realize open loop control according to the frequency of frequency converter in groups, if master control system will monitor the real-time speed of each transmission, needing be additionally each independent transmission interpolation velocity sensor, the in the situation that of multiple machining position, expense is higher.
Utility model content
Utility model object: the purpose of this utility model is for the deficiencies in the prior art, and a kind of Texturing Machines of realizing transmission speed closed-loop control is provided, realized simultaneously to single transmission without sensor type speed monitoring.
Technical scheme: a kind of Texturing Machines, comprise multiple processing stands that synthetic thread carried out to stretcher strain, in each processing stand, be provided with drawing-off, distortion and coiling operation unit, long filament in each processing stand simultaneously by multiple operation units, in each processing stand, electronic independent transmission is put at least one working rig assembly, a driver of each independent transmission configuration, described independent transmission is to be the permanent magnet of excitation-free current by rotor, stator is that the motor of multinomial winding forms, driver obtains the positional information of rotor by the voltage that detects the electric current of motor phase windings and calculate counter electromotive force, thereby control steadily running up of motor, the master controller of communication draws the real-time speed of motor by the positional information of rotor with it, realize the speed monitoring without sensor type.
Further, the back emf waveform of the every phase winding of described independent transmission is sinusoidal wave, the voltage that described driver detects the electric current of motor phase windings and calculates counter electromotive force obtains the angle position of rotor, and utilize angle of rotor positional information to produce sine-wave current, make winding phase current and angle of rotor have definite SIN function relation, thereby control the steadily running of high speed of motor.
Further, the torque that described independent transmission produces is constant constant, irrelevant with rotor position angle.Motor is under low speed sine wave drive, also having constant torque produces, in the time that the phase current in motor is forced to sine wave curve, rotor is under any position, between the magnetic vector of being set up by stator and rotor field vector, angle is always maintained at 90 °, this angle is just under given electric current, can produce the angle of torque capacity and loss minimum, therefore electronic independent transmission can obtain low torque ripple, level and smooth motion, noise is little, and has higher efficiency and wider speed adjustable range.
Further, described driver is by transmission separately described in the control start stop switch amount signal controlling of the default velocity amplitude communication instruction of described master controller and input and output point.The mode that driver adopts Control on Communication and input and output point to combine, after giving drive communication instruction pre-set velocity, the switching value signal of input and output point does not change pre-set velocity value, only controls start and stop; The startup of driver can be passed through the single startup of communication instruction, also can link by complete machine; Fault for single driver can reset by input and output point, also can reset by communication instruction.The state of driver is uploaded to master controller and is shown to terminal by the mode of communicating by letter with the real-time speed of transmission separately.
Owing to there being multiple processing stands, therefore need multiple electronic independent transmissions and corresponding driver thereof, in order to alleviate the communication pressure of master controller for the driver of the independent transmission of each machining position, described master controller is by tandem switching mode and described drive communication, under master controller, send instructions to repeater, by repeater, instruction is forwarded to each driver.Further, each processing stand is divided into one or more snippets, and every section comprises one group of processing stand, and every section of all described driver is connected in the communication relays into this section of configuration; Therefore it is default or control start and stop that the work unit that the operation unit of processing stand one segmentation can be independent of contiguous segmentation carries out speed, indivedual speed that stops not affecting adjacent machining position of transmission separately, can control the start and stop of single or specific multiple machining position and speed simultaneously.
Further, described driver obtains the electric current of motor phase windings by single resistor current sample reconstruction; Utilize the current status that current PWM is corresponding, adopt and adopt real bus current suitable time delay, the electric current in each moment of adopting is recombinated and obtained motor three-phase current by the sequential of SVPWM.
Further, described driver obtains rotor-position and speed by magnetic linkage location estimation method.With single resistance measurement bus current, utilize reconstruction strategy to draw phase current, convert according to Clarke, calculate electric current under two-phase static coordinate by phase current, according to the voltage equation of every winding of independent transmission, draw voltage and current value through coordinate transform, thereby calculate counter electromotive force, the counter electromotive force of rotor is carried out to integration, obtain rotor flux.
In order to realize from startup, low cruise to the switching without sensor closed-loop control running status, described driver employing rotor energising location, open loop Accelerating running and three sections of described independent transmissions of the tactful startup of startup of closed-loop control.
Beneficial effect: driver utilization can obtain the details of rotor-position in keeping the running of motor high-speed smooth without sensor control mode, do not need additionally to add rotor-position sensor or tachogenerator, reduce because the setting angle of sensor or the feedback deviation that variation of ambient temperature causes, and then affect control accuracy, realize the real-time monitoring to independent transmission rotating speed, can realize closed-loop control according to speed feedback, meanwhile, greatly reduce speed monitoring cost; Texturing Machines is because needs carry out high-temperature heating to long filament, and environment temperature is generally higher, and this control mode is adaptive deformation machine working environment preferably.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model Texturing Machines;
Fig. 2 is the utility model control structure schematic diagram;
Fig. 3 is activation configuration schematic diagram;
Fig. 4 is driver principles schematic diagram;
Fig. 5 is independent transmission syllogic start-up course schematic diagram.
Detailed description of the invention
Below technical solutions of the utility model are elaborated, but protection domain of the present utility model is not limited to described embodiment.
Embodiment: as shown in Figure 1, Texturing Machines comprises original silk rack 20, the first drafting system 35, heater 3, cooling device 4, false-twisting device 36, the second drafting system 37, the first transport 38, secondary heating mechanism 19, the second transport 39 and coiler device 24.The first drafting system 35, heater 3, cooling device 4, false-twisting device 36, the second drafting system 37, the first transport 38, secondary heating mechanism 19, the second transport 39 are supported by machine rack 16 and mainframe 40 successively.Long filament is drawn from the precursor bobbin 21 being arranged on original silk rack 20, via the first drafting system 35, entering first heater 3 heats, cooling device 4 is cooling, then by false-twisting device 36 false twist texturings, enter the second drafting system 37, the first transport 38 and the second transport 39 by the long filament after draw texture via secondary heating mechanism 19, be finally transported to coiler device 24, be wound into winding bobbin 18 by live-roller 17.
In the first drafting system 35, false-twisting device 36, the second drafting system 37, the first transport 38, the second transport 39 at least one configuration electronic independent transmission, in Fig. 1 above-mentioned working machine group respectively correspondence configured electronic independent transmission 1; 5; 7; 9; 11, each electronic independent transmission 1; 5; 7; 9; 11 is corresponding to driver 2 again; 6; 8; 10; 12 drive, each driver 2; 6; 8; 10; 12 are connected with respectively switch 34, and switch 34 is for giving driver 2; 6; 8; 10; 12 input signals, thus control the startup of single motor 29 and stop driver 2; 6; 8; 10; 12 are connected to master controller 14 via order wire 41 by communication relays 13, and the man-machine interface 15 being connected with master controller 14 is for setting electronic independent transmission 1; 5; 7; 9; 11 speed and startup halt instruction, and demonstrate real-time speed and state.
Fig. 2 is the control structure figure that has the false twist texturing machine of 240 spinning process positions with one of the present embodiment, this false twist texturing machine can be divided into 20 processing districts, each processing district comprises the first drafting system 35, false-twisting device 36, the second drafting system 37, the first transport 38 and 39 5 operation units of the second transport, each operation unit has 12 spinning process positions (as 2-1,2-2 in Fig. 2 ... 2-12, by that analogy), corresponding controller 14 and driver 2; 6; 8; 10; 12 control structure as shown in Figure 2.One of them master controller 14 connects 20 communication relays 13, and each communication relays 13 has six sub-ports, and a-road-through is casually for receiving and dispatching the communication instruction of master controller 14, and other five road ports connect respectively the driver 2 of corresponding processing district; 6; 8; 10; The electronic independent transmission 1 of 12 corresponding control; 5; 7; 9; 11, corresponding the first drafting system 35, false-twisting device 36, the second drafting system 37, the first transport 38 and the second transport 39 of driving.According to the configuration difference of Texturing Machines work unit, five road ports can only use wherein a road or multichannel; Accordingly, the first drafting system 35, false-twisting device 36, the second drafting system 37, the first transport 38 and the second transport 39 also can single correspondence use electronic independent transmission 1; 5; 7; 9; 11 or multiplely use electronic independent transmission 1 simultaneously; 5; 7; 9; 11.
When user is set after technological parameter by man-machine interface 15, master controller 14 is issued to corresponding speed command the driver 2 of corresponding processing district by repeater 13 according to technological parameter; 6; 8; 10; 12, driver 2; 6; 8; 10; 12 drive respectively electronic independent transmission 1 according to speed command; 5; 7; 9; 11 according to the speed operation of setting.In the time that single spinning station need to stop temporarily, rotating photo is answered the switch 34 of operation unit, corresponding driver 2; 6; 8; 10; 12 can control the electronic independent transmission 1 of corresponding operation unit; 5; 7; 9; 11 start-stop.Rotating photo answers the switch 34 of operation unit to carry out the independent transmission 1 of single motor; 5; 7; 9; 11 start-stop, it does not affect driver 2; 6; 8; 10; 12 default speed values, order wire 41 issues overall startup halt instruction and speed command to driver 2 for master controller 14 by communication relays 13; 6; 8; 10; 12 drive electronic independent transmission 1; 5; 7; 9; 11, and read in real time electronic independent transmission 1; 5; 7; 9; 11 actual speed and driver 2; 6; 8; 10; 12 states.
Electronic independent transmission 1, 5, 7, 9, 11 without sensor type electronic driver principle as shown in Figure 3, driver comprises sampling resistor 27, inverter 28, control module 30, electric capacity 31, slotted line 32 and control line 33, motor 29 is made up of three-phase current winding stator and permanent magnet excitation rotor, three phase winding A, the joint of B and C is connected to inverter 28, inverter 28 is connected to respectively termination 25 and sampling resistor 27 one end of dc source, sampling resistor 27 other ends are connected to another termination 26 of dc source, dc source is represented by electric capacity 31 in Fig. 3, inverter 28 is controlled by control module 30, inverter 28 and control module 30 interconnect by control line 33, slotted line 32 connection control units 30 are to sampling resistor 27, to detect bus current, control module 30 is connected with switch 34 simultaneously.
Concrete, as shown in Figure 4, inverter 28 is the three phase bridge circuits with switch T1 to T6, for having the semiconductor switch of anti-paralleled diode.Fig. 4 has shown single resistor current sampling and electric current reconstructing strategy process, utilizes bus current and PWM information to be reconstructed motor 29 phase currents, and motor 29 phase current reconstruction strategies are a part for control module 30.A/D converter gathers the voltage value at sampling resistor 27 two ends in each PWM cycle, then draws phase current values in conjunction with current PWM switch vector.In the present embodiment, switch vector order is a, b, c, and on off state is to manage T4 under 0 expression, T5, and T6 conducting, 1 represents upper pipe conducting T1, T2, whenever T3, have 3 pipe conductings.The bus current recording under inverter 28 different conditions and phase current relation are in table 1: as switch vector V0(000) do the used time, the all lower brachium pontis switch transistor T 4 of inverter 28, T5, T6 conducting, in the loop of three phase winding compositions of motor 29, not comprising sampling resistor does not have electric current to flow through sampling resistor i
dc=0; Equally at switch vector V7(111) make all upper brachium pontis switch transistor T 1 of used time inverter 28, T2, T3 conducting, does not have electric current to flow through sampling resistor i
dc=0; At switch vector V1(100) effect under, the switch transistor T 1 of inverter 28, T5, T6 conducting, a phase winding is connected with the anode of DC bus, b phase, c phase are connected with DC bus negative terminal; The phase current i of a phase winding
aflowed out by DC bus anode, must be by flowing back to DC bus negative terminal after the winding of motor 29, so i
dc=i
a; All the other states are as shown in table 1:
The relation of table 1 voltage vector and bus current
| Voltage vector | Inverter switching states | The corresponding phase current of bus current |
| V 0 | 000 | 0 |
| V 1 | 100 | i a |
| V 2 | 110 | -i c |
| V 3 | 010 | i b |
| V 4 | 011 | -i a |
| V 5 | 001 | i c |
| V 6 | 101 | -i b |
| V 7 | 111 | 0 |
Generally, rotor is the permanent magnet of excitation-free current, and stator is the electronic independent transmission 1 that the motor 29 of multinomial winding forms; 5; 7; 9; 11 driving needs sensor to detect motor speed and rotor magnetic pole position, determines and under positional information condition, provides the correct commutation of its position signal with control inverter 28 understanding motor 29 rotors, thereby ensure electronic independent transmission 1; 5; 7; 9; 11 normal operation and control precision.In order to meet the requirement of the on-the-spot application of Texturing Machines, solve the defect that encoder brings to system, in the present embodiment, adopt with rotor flux and be estimated as basic position Sensorless Control strategy, i.e. driver 2; 6; 8; 10; 12 adopt magnetic linkage location estimation method for rotor-position and velocity estimation.With single resistance measurement bus current, utilize reconstruction strategy to draw phase current i
a, i
b, i
c, according to Clarke conversion, the voltage circuit equation on three original phase windings is simplified to the voltage circuit equation on two phase windings, from threephase stator a, b, c coordinate system transformation is to two-phase stator alpha-beta coordinate system; Calculate current i under two-phase static coordinate by phase current
α=i
a;
according to the each phase winding voltage equation of motor 29, obtain the voltage and current value under alpha-beta coordinate through coordinate transform, calculate counter electromotive force, counter electromotive force integration is obtained to rotor flux, to magnetic linkage every straight filtering, phase compensation, obtain magnetic linkage instantaneous value, survey rotor phase angle, utilize principle of phase lock loop that given phase angle and actual measurement rotor phase angle error are used for reducing or eliminating phase difference, obtain accurate location angle and spinner velocity, realize motor 29 without sensor vector control speed governing operation.
The electronic independent transmission 1 of the present embodiment; 5; 7; 9; 11 need to adopt syllogic to start strategy without sensor type control mode, realizing from starting, low cruise is to the switching without sensor closed-loop control running status.As shown in Figure 5, electronic independent transmission 1; 5; 7; 9; 11 start-up course has rotor energising location, open loop Accelerating running and closed-loop control three phases.Localization method is: first allow motor 29 certain two-phase switch on, control winding current, make stator produce specific direction magnetic field, and keep one period of conduction time, rotor is parked in a certain ad-hoc location.After known initial position, control module 30 sends external synchronization signal, in stator winding, produce the rotating excitation field of some Accelerating runnings, drive motor 29 rotor Accelerating runnings, in the time that motor 29 rotating speeds are about rated speed 13%, magnetic linkage position, rotating speed estimated signal can accurately estimate rotor-position and speed, and incision operation with closed ring, so far starts complete.
Claims (9)
1. a Texturing Machines, comprise multiple processing stands that synthetic thread carried out to stretcher strain, in each processing stand, be provided with drawing-off, distortion and coiling operation unit, in each processing stand, electronic independent transmission is put at least one working rig assembly, a driver of each independent transmission configuration, it is characterized in that: described independent transmission is to be the permanent magnet of excitation-free current by rotor, stator is that the motor of multinomial winding forms, the voltage that driver detects the electric current of motor phase windings and calculates counter electromotive force obtains rotor position information, the master controller of communication draws the real-time speed of motor by the positional information of rotor with it.
2. Texturing Machines according to claim 1, it is characterized in that: the back emf waveform of the every phase winding of described independent transmission is for sinusoidal wave, the voltage that described driver detects the electric current of motor phase windings and calculates counter electromotive force obtains the angle position of rotor, and utilize angle of rotor positional information to produce sine-wave current, make winding phase current become SIN function relation with angle of rotor.
3. Texturing Machines according to claim 2, is characterized in that: the torque that described independent transmission produces is constant constant.
4. Texturing Machines according to claim 1, is characterized in that: described driver is by transmission separately described in the control start stop switch amount signal controlling of the default velocity amplitude communication instruction of described master controller and input and output point.
5. Texturing Machines according to claim 1, is characterized in that: described master controller is by tandem switching mode and described drive communication.
6. Texturing Machines according to claim 5, is characterized in that: each processing stand is divided into one or more snippets, and every section comprises one group of processing stand, and every section of all described driver is connected in the communication relays into this section of configuration.
7. Texturing Machines according to claim 1 and 2, is characterized in that: described driver obtains the electric current of motor phase windings by single resistor current sample reconstruction.
8. Texturing Machines according to claim 7, is characterized in that: described driver obtains rotor-position and speed by magnetic linkage location estimation method.
9. Texturing Machines according to claim 8, is characterized in that: described driver adopts rotor energising location, open loop Accelerating running and three sections of startup strategies of closed-loop control to start described independent transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420115152.1U CN203795053U (en) | 2014-03-13 | 2014-03-13 | Texturing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420115152.1U CN203795053U (en) | 2014-03-13 | 2014-03-13 | Texturing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203795053U true CN203795053U (en) | 2014-08-27 |
Family
ID=51377284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420115152.1U Expired - Lifetime CN203795053U (en) | 2014-03-13 | 2014-03-13 | Texturing machine |
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| Country | Link |
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| CN (1) | CN203795053U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835039A (en) * | 2014-03-13 | 2014-06-04 | 无锡宏源机电科技有限公司 | Texturing machine |
| CN117639581A (en) * | 2023-11-08 | 2024-03-01 | 北方工业大学 | Permanent magnet synchronous motor sensorless control method |
-
2014
- 2014-03-13 CN CN201420115152.1U patent/CN203795053U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835039A (en) * | 2014-03-13 | 2014-06-04 | 无锡宏源机电科技有限公司 | Texturing machine |
| CN117639581A (en) * | 2023-11-08 | 2024-03-01 | 北方工业大学 | Permanent magnet synchronous motor sensorless control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WUXI HONGYUAN TEXTILE MACHINERY CO., LTD. Free format text: FORMER NAME: WUXI HONGYUAN ELECTROMECHANICAL TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 214106 Xishan Road, Xishan District, Jiangsu, No. 529, No. Patentee after: WUXI HONGYUAN ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Address before: 214206 No. 529, Xishan Avenue, Xishan District, Jiangsu, Wuxi Patentee before: WUXI HONGYUAN ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |