CN202912497U - Winding tension controlling system - Google Patents
Winding tension controlling system Download PDFInfo
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- CN202912497U CN202912497U CN 201220620035 CN201220620035U CN202912497U CN 202912497 U CN202912497 U CN 202912497U CN 201220620035 CN201220620035 CN 201220620035 CN 201220620035 U CN201220620035 U CN 201220620035U CN 202912497 U CN202912497 U CN 202912497U
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Abstract
The utility model provides a winding tension controlling system which comprises a tension sensor unit, the tension sensor unit collects the winding tension of the detected object and transmits the winding tension collection information to a drive controlling unit, the drive controlling unit obtains an angular velocity needed by a motor according to the winding tension information, a preset tension reference value and a guiding traverse feedforward signal received, analyzes the current angular velocity of the motor according to the encoder feedback signal of the motor unit and compares the angular velocity needed and the current angular velocity. If the comparative result is different, the output torque of the motor unit is adjusted. The detected object winds on the motor unit, the motor unit adjusts the output rotation speed according to the controlling signal from the drive controlling unit so that the tension of the detected object is adjusted, and the encoder feedback signal is sent to the drive controlling unit. By means of the technical scheme, the tension value in the process of winding is capable of being kept in a relatively constant range all along and the controlling effect of constant tension is achieved.
Description
Technical field
The utility model relates to the control technology field, in particular to a kind of Winding Tension Controlling System.
Background technology
Yarn winding forming is a key process technology in the textile production engineering in the Textile Engineering.If yarn speed is greater than yarn cylinder unwinding linear velocity in the winding process, therefore tension value also increases, and the size of yarn tension directly affect the elasticity of bobbin coiling during coiling process, thereby affects bobbin around the capacity of yarn and the difficulty or ease of dyeing, and affects the end breakage rate that yarn is processed.The tension force controlling unit can be regulated the size of tension force, particularly for the tension force of the high value yarns such as cone dyeing, requires to reach permanent tension force control effect.
Therefore, need a kind of Winding Tension Controlling technology, can make the tension value in the winding process remain at a comparatively constant zone, thereby reach permanent tension force control effect.
The utility model content
Consider the above-mentioned background technology, the utility model provides a kind of Winding Tension Controlling technology, can make the tension value in the winding process remain at a comparatively constant zone, thereby reaches permanent tension force control effect.
In view of this, the utility model provides a kind of Winding Tension Controlling System, comprise: tension pick-up unit, electric motor units, driving control unit, wherein, described tension pick-up unit is connected to described driving control unit, gathers the winding tension of detected material and winding tension information is sent to described driving control unit; Described driving control unit is connected to described electric motor units, obtain the required cireular frequency of described electric motor units according to described winding tension information, the guide that presets tension force reference value and the reception feed-forward signal that traverses, go out the current cireular frequency of described electric motor units according to the encoder feedback signal resolution of described electric motor units, described required cireular frequency and described current cireular frequency are compared, if comparative result for not identical, is then regulated the output torque of described electric motor units; Described detected material is wound on the described electric motor units, described electric motor units basis is from the rotating speed of the control signal regulation output of described driving control unit, regulating the tension force of described detected material, and described encoder feedback signal is sent to described driving control unit.
In this technical scheme, required cireular frequency and the current cireular frequency of motor compared, calculate as keeping the permanent tension force of detected material, need the torque value regulated, thereby the motor speed value is adjusted, realize permanent tension force control.
In technique scheme, preferably, described driving control unit comprises: the power section circuit, be connected to the control part circuit, for described control part circuit provides power supply and drives described electric motor units, and for the control signal that sends over according to described control part circuit, regulate the output torque of described electric motor units; Described control part circuit, be connected to described power section circuit, resolve described winding tension information, the described guide that presets tension force reference value and the described reception feed-forward signal that traverses and obtain the first analysis result, and resolve described encoder feedback signal and obtain the second analysis result and described the first analysis result and described the second analysis result are compared, according to comparative result described control signal is sent to described power section circuit.
In technique scheme, preferably, described control part circuit comprises digital signal processor, digital logical processor, operational amplification circuit, the first long line acceptor circuit and the second long line acceptor circuit, wherein, the input end of described operational amplification circuit is connected to described tension pick-up unit by the first external-connected port, the mouth of described operational amplification circuit is connected to described digital signal processor, transfers to described digital signal processor after described winding tension information is processed; The input end of the described first long line acceptor circuit is connected to the coder line of described electric motor units by the second external-connected port, the mouth of the described first long line acceptor circuit is connected to described digital logical processor, transfer to described digital logical processor after described encoder feedback signal processed and process, described digital logical processor transfers to described digital signal processor with result; The guide that the input end of the described second long line acceptor circuit receives input by the 3rd external-connected port feed-forward signal that traverses, the mouth of the described second long line acceptor circuit is connected to described digital logical processor, and the feed-forward signal that traverses of the guide after described digital logical processor will be processed transfers to described digital signal processor; The input end of described digital signal processor is connected to described digital logical processor, the mouth of described digital signal processor is connected to described power section circuit, resolve described result and obtain the current cireular frequency of described electric motor units, and based on the guide after the processing that receives traverse feed-forward signal, preset the required cireular frequency that tension force reference value and described winding tension information analysis obtain described electric motor units, send described control signal according to described comparative result to described power section circuit.
In this technical scheme, the user can preset a tension force reference value, and this reference value is a best ideal value of detected material winding tension size.For example, when Yarn winding forming, the size of yarn tension directly affects the elasticity that bobbin is reeled during coiling process, thereby affect bobbin around the capacity of yarn and the difficulty or ease of dyeing, and affect the end breakage rate of yarn processing, at this moment, the user can preset a desirable tension force reference value, system can resolve and to obtain required cireular frequency according to presetting tension force reference value and winding tension information and the guide feed-forward signal that traverses, itself and current cireular frequency are compared, and comparative result is fed back to the power section circuit.
In technique scheme, preferably, described power section circuit comprises switching power circuit and power amplification circuit, wherein, the input end of described switching power circuit is connected to external power supply, the mouth of described switching power circuit is connected to described power amplification circuit and described control part circuit, and output is used for the control power supply of described power amplification circuit and is used for the control power supply of described control part circuit; Described power amplification circuit is comprised of a plurality of transistors, the input end of described power amplification circuit is connected to described control part circuit, reception is from the described control signal of described control part circuit, to control described a plurality of transistorized break-make, the mouth of described power amplification circuit is connected to described electric motor units.
In this technical scheme, switching power circuit provides its work required power supply for power amplification circuit and control part circuit.The control part circuit is realized the adjusting to power amplification circuit output by a plurality of transistorized break-make order of control.
In technique scheme, preferably, described power section circuit also comprises current detection circuit, the input end of described current detection circuit is connected to the current output terminal of the power line of described electric motor units, the mouth of described current detection circuit is connected to described digital signal processor, and the electric current that detects described electric motor units obtains current feedback signal and described current feedback signal is transferred to described digital signal processor.
In this technical scheme, by current detection circuit the electric current in the motor is detected, and testing result is fed back to digital signal processor, digital signal processor is taked corresponding control policy according to feedback information.For example, when the current value that detects does not reach requiring of required current value, adjusted; Electric current is zero in circuit, or when surpassing the maximum rated current value of motor, output alarm signal etc.
In technique scheme, preferably, described power section circuit also comprises the regenerative brake loop, the mouth in described regenerative brake loop is connected to the pad on the circuit card of described Winding Tension Controlling System, the input end in described regenerative brake loop is connected to the bus of described driving control unit, when described bus voltage surpasses maximum bus voltage value, the voltage of the described bus of releasing.
In this technical scheme, when motor works, do not work in the regenerative brake loop, but when the bus voltage of driving control unit surpasses maximum bus voltage value, bus voltage is released in regenerative circuit work, thereby guarantees the normal operation of driving control unit.
In technique scheme, preferably, described control part circuit also comprises the first optical coupling isolation circuit, the input end of described the first optical coupling isolation circuit is connected to described digital signal processor by described digital logical processor, the mouth of described the first optical coupling isolation circuit is connected to the and connects all round port, receives from the status information of the described Winding Tension Controlling System of described digital signal processor and described status information is carried out exporting to after the isolation processing described the to connect all round port.
In this technical scheme, the status information of Winding Tension Controlling System outputs to through isolation processing and connects all round port, the user can set zero-speed arrival and the output of reporting to the police, thereby when Winding Tension Controlling System speed reaches setting threshold value and control system appearance mistake, connecting the guide that connects all round port traverses and can receive zero-speed and arrive and alerting signal, thereby realize the monitoring to system, guarantee security of system.
In technique scheme, preferably, described control part circuit also comprises the second optical coupling isolation circuit, described the second optical coupling isolation circuit is connected to described digital signal processor by described digital logical processor, reception is inputted instruction and described input command to described digital signal processor is resolved, to control described driving control unit.
In technique scheme, preferably, also comprise memory cell, be connected to described driving control unit, preserve the described control parameter that presets tension force reference value and described driving control unit; Communication unit is connected to described driving control unit, realizes the data interaction of external device and described driving control unit.
In this technical scheme, by the transmission between each control unit in the communication unit completion system, realize remote operation, setting parameter and status surveillance to system.
In technique scheme, preferably, also comprise keyboard display unit, be connected to described driving control unit, edit and show described driving control unit respectively control parameter information.
By the technical solution of the utility model, can make the tension value in the winding process remain at a comparatively constant zone, thereby reach permanent tension force control effect.
Description of drawings
Fig. 1 shows the schematic diagram according to the Winding Tension Controlling System of embodiment of the present utility model;
Fig. 2 shows the constructional drawing according to the Winding Tension Controlling System of embodiment of the present utility model;
Fig. 3 shows the device composition diagram according to the Winding Tension Controlling System of embodiment of the present utility model;
Fig. 4 shows the effect scheme drawing according to the Winding Tension Controlling System of embodiment of the present utility model.
The specific embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments the utility model is further described in detail.
A lot of details have been set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from other modes described here and implement, and therefore, protection domain of the present utility model is not subjected to the restriction of following public specific embodiment.
Below in conjunction with drawings and Examples the utility model is described further.Need to prove that in the situation of not conflicting, the application's embodiment and the feature among the embodiment can make up mutually.
Fig. 1 shows the constructional drawing according to the Winding Tension Controlling System of embodiment of the present utility model.
As shown in Figure 1, the utility model provides a kind of Winding Tension Controlling System 100 to comprise: tension pick-up unit 102, electric motor units 104, driving control unit 106, wherein, tension pick-up unit 102 is connected to driving control unit 106, gathers the winding tension of detected material and winding tension information is sent to driving control unit 106; Driving control unit 106 is connected to electric motor units 104, obtain the required cireular frequency of electric motor units 104 according to winding tension information, the guide that presets tension force reference value and the reception feed-forward signal that traverses, go out the current cireular frequency of electric motor units 104 according to the encoder feedback signal resolution of electric motor units 104, required cireular frequency and current cireular frequency are compared, if comparative result is not for identical, the then output torque of regulating electric machine unit 104; Detected material is wound on the electric motor units 104, and electric motor units 104 is according to the rotating speed from the control signal regulation output of driving control unit, regulating the tension force of detected material, and the encoder feedback signal is sent to driving control unit 106.
In this technical scheme, required cireular frequency and the current cireular frequency of motor compared, calculate as keeping the permanent tension force of detected material, need the torque value regulated, thereby motor speed is adjusted, realize permanent tension force control.
As can be known from Fig. 1, driving control unit 106 roughly can comprise: power section circuit 106A and control part circuit 106B, power section circuit 106A provides power supply and drive motor units 104 for control part circuit 106B, and for the control signal that sends over according to control part circuit 106B, the output torque of regulating electric machine unit 104; Control part circuit 106B, be connected to power section circuit 106A, the guide that resolve winding tension information, presets tension force reference value and the reception feed-forward signal that traverses obtains the first analysis result, and resolve the encoder feedback signal and obtain the second analysis result and to stating the first analysis result and the second analysis result compares, according to comparative result control signal is sent to power section circuit 106A.
In a kind of preferred exemplary, control part circuit 106B can comprise digital signal processor 106B1, digital logical processor 106B2, operational amplification circuit 106B3, the first long line acceptor circuit 106B4 and the second long line acceptor circuit 106B5, wherein, the input end of operational amplification circuit 106B3 is connected to tension pick-up unit 102 by the first external-connected port, the mouth of operational amplification circuit 106B3 is connected to digital signal processor 106B 1, transfers to digital signal processor 106B1 after winding tension information is processed; The input end of the first long line acceptor circuit 106B4 is connected to the coder line of electric motor units 104 by the second external-connected port 114, the mouth of the first long line acceptor circuit 106B4 is connected to digital logical processor 106B2, transfer to digital logical processor 106B2 after the encoder feedback signal processed and process, digital logical processor 106B2 transfers to digital signal processor 106B1 with result; The guide that the input end of the second long line acceptor circuit 106B5 receives input by the 3rd external-connected port (the QEP port in the control port 118) feed-forward signal that traverses, the mouth of the second long line acceptor circuit 106B5 is connected to digital logical processor 106B2, and the feed-forward signal that traverses of the guide after digital logical processor 106B2 will process transfers to digital signal processor 106B 1; The input end of digital signal processor 106B 1 is connected to digital logical processor 106B2, the mouth of digital signal processor 106B1 is connected to power section circuit 106A, dissection process result obtains the current cireular frequency of electric motor units 104, and based on the guide after the processing that receives traverse feed-forward signal, preset the required cireular frequency that tension force reference value and winding tension information analysis obtain electric motor units 104, transmit control signal to power section circuit 106A according to comparative result.
Therefore, the user can preset a tension force reference value, and this tension force reference value is an expectation value of detected material winding tension size.For example, when Yarn winding forming, the size of yarn tension directly affects the elasticity that bobbin is reeled during coiling process, thereby affect bobbin around the capacity of yarn and the difficulty or ease of dyeing, and affect the end breakage rate of yarn processing, at this moment, the user can preset a desirable tension force reference value, system can resolve and to obtain required cireular frequency according to presetting tension force reference value and winding tension information and the guide feed-forward signal that traverses, itself and real-time cireular frequency are compared, and comparative result fed back to power section circuit 106A, it is exported according to the feedback result power ratio control.
In a kind of preferential example, with reference to figure 1, power section circuit 106A roughly can comprise switching power circuit 106A1 and power amplification circuit 106A2, wherein, the input end of switching power circuit 106A1 is connected to external power supply (for example CON-AC48V shown in the figure), the mouth of switching power circuit 106A1 is connected to power amplification circuit 106A2 and control part circuit 106B, and output is used for the control power supply of power amplification circuit 106A2 and is used for the control power supply of control part circuit 106B; As we know from the figure, power amplification circuit 106A2 is comprised of a plurality of transistors, the input end of power amplification circuit 106A2 is connected to control part circuit 106B, reception is from the control signal of control part circuit 106B, to control a plurality of transistorized break-makes, the mouth of power amplification circuit 106A2 is connected to electric motor units 104.
Therefore, switching power circuit 106A1 provides its work required power supply for power amplification circuit 106A2 and control part circuit 106B.Control part circuit 106B realizes the adjusting to power amplification circuit output by a plurality of transistorized break-make order of control.
Preferably, power section circuit 106A can also comprise current detection circuit 106A3, the input end of current detection circuit 106A3 is connected to the current output terminal of the power line of electric motor units 104, the mouth of current detection circuit 106A3 is connected to digital signal processor 106B1, and the electric current that detects electric motor units 104 obtains current feedback signal and current feedback signal is transferred to digital signal processor 106B 1.
By current detection circuit 106A3 the electric current in the electric motor units 104 is detected, and testing result is fed back to digital signal processor 106B1, digital signal processor 106B1 takes corresponding control policy according to feedback information.For example, when the current value that detects does not reach requiring of required current value, adjusted; Electric current is zero in circuit, or when surpassing the maximum rated current value of motor, output alarm signal etc.
Preferably, power section circuit 106A can also comprise regenerative brake loop 106A4, the mouth of regenerative brake loop 106A4 is connected to the pad on the circuit card of Winding Tension Controlling System, the input end of regenerative brake loop 106A4 is connected to the bus of driving control unit, when bus voltage surpasses maximum bus voltage value, the voltage of the bus of releasing.When motor works, do not work in the regenerative brake loop, but when the bus voltage of driving control unit surpassed maximum bus voltage value, bus voltage was released in regenerative circuit work, thereby guarantee the normal operation of driving control unit.
Preferably, control part circuit 106B can also comprise the first optical coupling isolation circuit 106B6, the input end of the first optical coupling isolation circuit 106B6 is connected to digital signal processor 106B 1 by digital logical processor 106B2, the mouth of the first optical coupling isolation circuit 106B6 is connected to the and connects all round port, receives from the status information of the Winding Tension Controlling System of digital signal processor 106B 1 and status information is carried out exporting to after the isolation processing the to connect all round port (SOUT port in the control port 118).
The status information of Winding Tension Controlling System outputs to through isolation processing and connects all round port, the user can set zero-speed arrival and the output of reporting to the police, thereby when Winding Tension Controlling System speed reaches setting threshold value and control system appearance mistake, connecting the guide that connects all round port traverses and can receive zero-speed and arrive and alerting signal, thereby realize the monitoring to system, guarantee security of system.
Preferably, control part circuit 106B can also comprise the second optical coupling isolation circuit 106B7, the second optical coupling isolation circuit 106B7 is connected to digital signal processor 106B1 by digital logical processor 106B2, receive the input instruction and will input command and resolve to digital signal processor 106B1, to control driving control unit 106.
Preferably, Winding Tension Controlling System 100 can also comprise memory cell 108, is connected to driving control unit 106, saves presets the control parameter of tension force reference value and driving control unit 106; Communication unit 110 is connected to driving control unit 106, realizes the data interaction of external device and driving control unit.
Therefore, can by the transmission between each control unit in communication unit 110 completion systems, realize remote operation, setting parameter and status surveillance to system.
In technique scheme, preferably, can also comprise keyboard display unit 112, be connected to driving control unit 106, editor and display driver control unit 106 respectively control parameter information.
Fig. 2 shows the device composition diagram according to the Winding Tension Controlling System of embodiment of the present utility model.Describe each several part circuit of the present utility model in detail below in conjunction with Fig. 1 and Fig. 2.
As depicted in figs. 1 and 2, driving control unit 106 circuit cards comprise power section circuit 106A and control part circuit 106B.Power section circuit 106A is by Switching Power Supply (SwitchPower) circuit 106A1, the electric circuit constitutes such as the power amplification circuit 106A2 of motor, current detection circuit 106A3 and regenerative brake loop 106A4.Control part circuit 106B is by digital signal processor 106B1(DSP), digital logical processor 106B2(CPLD), the second optical coupling isolation circuit 106B7, the first optical coupling isolation circuit 106B6, the first long line acceptor circuit 106B4, the second long line acceptor circuit 106B5, operational amplification circuit 106B3,, the electric circuit constitute such as communication unit 110, keyboard display unit 112, memory cell 108.
Wherein, power section circuit 106A is described as follows:
1, Switching Power Supply (Switch Power) circuit 106A1
In the present embodiment, with the power supply input of three-phase 48V source of AC as switching power circuit, produce 7 tunnel control power supplys, 4 tunnel control power supplys that are used for power amplification circuit wherein, 1 the tunnel is used for the control part circuit work power, and 2 the tunnel are used for the control power supply of control part circuit op amp etc.
2, power amplification circuit 106A2
In the present embodiment, power amplification circuit 106A2 is combined by 6 transistors (MOSFET).Signal pin (EPWM) output 6 road signals (PWM) of digital signal processor (DSP28035) 106B1, access transistor special driving chip (DRIVER) 116 is processed after digital logical processor (CPLD) 106B2 logical process, thereby controls 6 transistorized break-makes.The output of power amplification circuit 106A2 is linked into external interface 1042(MOTOR), realize the control to motor three phase windings.
3, regenerative brake loop 106A4
Digital signal processor 106B1(DSP28035) signal pin (EPWM) output 1 road pwm signal, access Drive and Control Circuit 106 after digital logical processor 106B1 logical process, the control transistor is in the break-make that satisfies when releasing condition.The output of regenerative brake loop 106A4 is linked into P, the B pad on the circuit card, is used for external braking resistor.Under the motor normal operation, do not work in the regenerative brake loop, and when the bus voltage of driving control unit 106 surpassed the maximum bus voltage value of default, the regenerative brake loop works was released voltage, guaranteed the normal operation of driving control unit 106.
4, current detection circuit 106A3
The current output terminal of the three-phase U/V/W winding of motor is connected in series three road current sensor resistors (I-Sensor), be current detection circuit 106A3, the terminal voltage of this three road resistance is linked into digital signal processor 106B1(DSP28035 respectively after amplifying circuit (OPM1, OPM2, OPM3) is processed) signal pin (AD), as the current feedback signal of motor, realize the torque closed loop control of motor.
The center control task of driving control unit 106 is by digital signal processor 106B1(TMS320F28035) and digital logical processor 106B2(EPM240TQFP100) finish, it is as follows mainly to finish the work:
1, digital input signals (SIN)
2, digital output signal (SOUT)
The connects port (being the SOUT port in the control port 118) all round supports the output of 2 railway digital signals, status information corresponding to output pin output motor of digital signal processor 106B1, be linked into the input pin of digital logical processor 106B2, logical process is linked into the first optical coupling isolation circuit 106B6 by output pin, and output signal after isolation processing access the connects port all round.In this example, the output of 2 railway digital signals can be set as respectively zero-speed and arrive, alerting signal output, thus realize that reel system is to the monitoring of driving control unit 106.
3, differential signal (QEP)
The 3rd external-connected port (being the QEP port in the control port 118) is also supported traverse feed-forward signal input of guide.The guide feed-forward signal (QEP A/B) that traverses accesses the input pin of digital logical processor 106B2 after the second long line acceptor circuit (LINE) 106B5 processes, the input pin of incoming digital signal treater 106B1 after the logical process, resolve input and specify, finish corresponding instruction action.In this example, the information exchange that drives the motor encoder that yarn guiding spool rotates in the reel system is crossed the guide feed-forward signal input of traversing, the feedforward input instruction of processing as the tension feedback signal.
4, tension feedback signal
In the winding process, the real-time tension force that yarn is subject to is access the first external-connected port 116 after tension pick-up unit 102 gathers, after processing, operational amplification circuit 106B3 is linked into the signal pin (AD) of digital signal processor 106B1, resolve feedback signal and draw the suffered real-time tension force of detected material, in conjunction with the traverse information of feed-forward signal input of the tension force reference value of driving control unit 106 inner settings and guide, calculate the required cireular frequency of motor.
5, encoder feedback signal
The input pin of encoder feedback signal access digital logical processor after the first long line acceptor circuit 106B4 processes of the second external-connected port 114 inputs, (QEP) signal pin of incoming digital signal treater after the logical process is resolved current cireular frequency and value of angular displacement that the encoder feedback signal obtains motor.In this example, the current magnitude of angular velocity that the encoder feedback signal resolution goes out, with tension force reference value, winding tension information and guide traverse the motor that feed-forward signal input calculates required cireular frequency relatively, calculate as keeping the permanent tension force of yarn, the cireular frequency that motor encoder need to be regulated and value of angular displacement, torque value; In addition, motor encoder provides rotor position information, realizes vector controlled and the speed closed loop control of motor.
6, RS485 communication
The signal pin of digital signal processor 106B1 (SCI) incoming communication unit 110, incoming communication port (for example RS485) after the driving circuit of communication unit 110 is processed.By the RS485 communication bus, finish the data transmission between each control unit in the reel system, realize remote operation, setting parameter and the status surveillance of Winding Tension Controlling System.
7, keyboard shows
The signal pin of digital signal processor 106B1 (LIN) access keyboard display unit 112, the external connection keyboard display panel realizes driving control unit 106 is respectively controlled editor and the supervision of parameter information.
8, ferroelectric storage (FRAM)
It is memory cell 108 that this tension winding control system possesses ferroelectric memory, is used for preserving real time data and the state of driving control unit 106.
Fig. 3 shows the application scheme drawing according to the Winding Tension Controlling System of embodiment of the present utility model.
The below describes the effect of each unit of Winding Tension Controlling System in detail take Yarn winding forming as example.
In this application scenarios, the yarn on the yarn guiding spool 304 is through tension pick-up unit 102, and electric motor units 104 is around to yarn cylinder 302.Tension pick-up unit 102 detects the suffered real-time tension force of yarn and sends driving control unit 106 to; Electric motor units 104, reel for yarn by the rotating speed of regulating electric machine, are regulated the tension force of yarn in real time on motor, feed back simultaneously the encoder information of motor to driving control unit; Driving control unit 106, by tension feedback and motor encoder feedback information, in conjunction with tension force reference value and the guide feed-forward information that traverses is set, the output torque of regulating electric machine, process simultaneously digital input signals and digital output signal, realize that reel system is to instruction control and the monitoring of driving control unit 106; Communication unit 110 is for remote operation, setting parameter and the status surveillance of reel system; Keyboard display unit 112 is used for editor and monitoring that driving control unit is respectively controlled parameter information.By above process, can make the tension value in the winding process remain at a comparatively constant zone, thereby reach permanent tension force control effect.
Fig. 4 shows the effect scheme drawing according to the Winding Tension Controlling System of embodiment of the present utility model.
Design sketch when utilizing Winding Tension Controlling System of the present utility model to obtain Yarn winding forming as shown in Figure 4, curve represents the real-time Tensity size that yarn is suffered among the figure.As can be seen from the figure, the suffered tension value of yarn remains at a comparatively constant zone (tension force corresponding voltage value), up-down error arranges in reference value (200mV) permissible error scope ± 200mV at reel system tension force, guarantee the permanent tension force of yarn in the whole winding process, reached permanent tension force control effect.
More than be described with reference to the accompanying drawings according to the technical solution of the utility model, can have made the tension value that is wound thing in the winding process remain at a comparatively constant zone, thereby reached permanent tension force control effect.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a Winding Tension Controlling System is characterized in that, comprising: tension pick-up unit, electric motor units, driving control unit, wherein,
Described tension pick-up unit is connected to described driving control unit, gathers the winding tension of detected material and winding tension information is sent to described driving control unit;
Described driving control unit is connected to described electric motor units, obtain the required cireular frequency of described electric motor units according to described winding tension information, the guide that presets tension force reference value and the reception feed-forward signal that traverses, go out the current cireular frequency of described electric motor units according to the encoder feedback signal resolution of described electric motor units, described required cireular frequency and described current cireular frequency are compared, if comparative result for not identical, is then regulated the output torque of described electric motor units;
Described detected material is wound on the described electric motor units, described electric motor units basis is from the rotating speed of the control signal regulation output of described driving control unit, regulating the tension force of described detected material, and described encoder feedback signal is sent to described driving control unit.
2. Winding Tension Controlling System according to claim 1 is characterized in that, described driving control unit comprises:
The power section circuit is connected to the control part circuit, for described control part circuit provides power supply and drives described electric motor units, and for the control signal that sends over according to described control part circuit, regulates the output torque of described electric motor units;
Described control part circuit, be connected to described power section circuit, resolve described winding tension information, the described guide that presets tension force reference value and the described reception feed-forward signal that traverses and obtain the first analysis result, and resolve described encoder feedback signal and obtain the second analysis result and described the first analysis result and described the second analysis result are compared, according to comparative result described control signal is sent to described power section circuit.
3. Winding Tension Controlling System according to claim 2 is characterized in that, described control part circuit comprises digital signal processor, digital logical processor, operational amplification circuit, the first long line acceptor circuit and the second long line acceptor circuit, wherein,
The input end of described operational amplification circuit is connected to described tension pick-up unit by the first external-connected port, the mouth of described operational amplification circuit is connected to described digital signal processor, transfers to described digital signal processor after described winding tension information is processed;
The input end of the described first long line acceptor circuit is connected to the coder line of described electric motor units by the second external-connected port, the mouth of the described first long line acceptor circuit is connected to described digital logical processor, transfer to described digital logical processor after described encoder feedback signal processed and process, described digital logical processor transfers to described digital signal processor with result;
The described guide that the input end of the described second long line acceptor circuit receives input by the 3rd external-connected port feed-forward signal that traverses, the mouth of the described second long line acceptor circuit is connected to described digital logical processor, and the feed-forward signal that traverses of the described guide after described digital logical processor will be processed transfers to described digital signal processor;
The input end of described digital signal processor is connected to described digital logical processor, the mouth of described digital signal processor is connected to described power section circuit, resolve described result and obtain the current cireular frequency of described electric motor units, and based on the guide after the processing that receives traverse feed-forward signal, preset the required cireular frequency that tension force reference value and described winding tension information analysis obtain described electric motor units, send described control signal according to described comparative result to described power section circuit.
4. Winding Tension Controlling System according to claim 3 is characterized in that, described power section circuit comprises switching power circuit and power amplification circuit, wherein,
The input end of described switching power circuit is connected to external power supply, the mouth of described switching power circuit is connected to described power amplification circuit and described control part circuit, and output is used for the control power supply of described power amplification circuit and is used for the control power supply of described control part circuit;
Described power amplification circuit is comprised of a plurality of transistors, the input end of described power amplification circuit is connected to described control part circuit, reception is from the described control signal of described control part circuit, to control described a plurality of transistorized break-make, the mouth of described power amplification circuit is connected to described electric motor units.
5. Winding Tension Controlling System according to claim 4, it is characterized in that, described power section circuit also comprises current detection circuit, the input end of described current detection circuit is connected to the current output terminal of the power line of described electric motor units, the mouth of described current detection circuit is connected to described digital signal processor, and the electric current that detects described electric motor units obtains current feedback signal and described current feedback signal is transferred to described digital signal processor.
6. Winding Tension Controlling System according to claim 4, it is characterized in that, described power section circuit also comprises the regenerative brake loop, the mouth in described regenerative brake loop is connected to the pad on the circuit card of described Winding Tension Controlling System, the input end in described regenerative brake loop is connected to the bus of described driving control unit, when described bus voltage surpasses maximum bus voltage value, the voltage of the described bus of releasing.
7. Winding Tension Controlling System according to claim 3, it is characterized in that, described control part circuit also comprises the first optical coupling isolation circuit, the input end of described the first optical coupling isolation circuit is connected to described digital signal processor by described digital logical processor, the mouth of described the first optical coupling isolation circuit is connected to the and connects all round port, receives from the status information of the described Winding Tension Controlling System of described digital signal processor and described status information is carried out exporting to after the isolation processing described the to connect all round port.
8. Winding Tension Controlling System according to claim 3, it is characterized in that, described control part circuit also comprises the second optical coupling isolation circuit, described the second optical coupling isolation circuit is connected to described digital signal processor by described digital logical processor, reception is inputted instruction and described input command to described digital signal processor is resolved, to control described driving control unit.
9. each described Winding Tension Controlling System in 8 according to claim 3 is characterized in that, also comprises memory cell, is connected to described driving control unit, preserves the described control parameter that presets tension force reference value and described driving control unit;
Communication unit is connected to described driving control unit, realizes the data interaction of external device and described driving control unit.
10. each described Winding Tension Controlling System in 8 according to claim 1 is characterized in that, also comprises keyboard display unit, is connected to described driving control unit, edit and show described driving control unit respectively control parameter information.
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| CN 201220620035 CN202912497U (en) | 2012-11-21 | 2012-11-21 | Winding tension controlling system |
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| CN 201220620035 CN202912497U (en) | 2012-11-21 | 2012-11-21 | Winding tension controlling system |
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| CN103592967A (en) * | 2013-11-20 | 2014-02-19 | 江南大学 | Tension monitoring system of stretching yarn machine |
| CN104609252A (en) * | 2014-12-25 | 2015-05-13 | 中国科学院空间科学与应用研究中心 | Polarized wire gating automatic winding device and method |
| 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 |
| CN104973455A (en) * | 2015-07-06 | 2015-10-14 | 浙江康立自控科技有限公司 | Method and system for yarn tension control based on FFT control algorithm |
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| CN106087317A (en) * | 2016-08-18 | 2016-11-09 | 武汉同力智能***股份有限公司 | A kind of control method of many headstocks yarn dyeing locomotive head winding tension |
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| CN112061893A (en) * | 2020-08-04 | 2020-12-11 | 北京国电富通科技发展有限责任公司 | Water pipe and cable synchronous winding and unwinding machine control system and method based on frequency converter |
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| CN103592967A (en) * | 2013-11-20 | 2014-02-19 | 江南大学 | Tension monitoring system of stretching yarn machine |
| CN104609252A (en) * | 2014-12-25 | 2015-05-13 | 中国科学院空间科学与应用研究中心 | Polarized wire gating automatic winding device and method |
| 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 |
| 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 |
| CN104973455A (en) * | 2015-07-06 | 2015-10-14 | 浙江康立自控科技有限公司 | Method and system for yarn tension control based on FFT control algorithm |
| CN104973455B (en) * | 2015-07-06 | 2018-09-18 | 浙江康立自控科技有限公司 | A kind of method for controlling yarn tension produced and control system based on FFT control algolithms |
| CN105173902A (en) * | 2015-08-14 | 2015-12-23 | 卡尔迈耶（中国）有限公司 | Positive type patterned comb yarn feeding device |
| CN105173902B (en) * | 2015-08-14 | 2018-12-11 | 卡尔迈耶（中国）有限公司 | Positive type flower comb yarn-feeding device |
| CN106933265A (en) * | 2015-12-31 | 2017-07-07 | 候成苍 | String rope tension regulation device and method |
| CN106185467A (en) * | 2016-07-20 | 2016-12-07 | 山东永泰集团有限公司 | A kind of synthetic fibers shaping system with tension adjustment |
| CN106087317A (en) * | 2016-08-18 | 2016-11-09 | 武汉同力智能***股份有限公司 | A kind of control method of many headstocks yarn dyeing locomotive head winding tension |
| CN106629246A (en) * | 2017-02-11 | 2017-05-10 | 刘慧� | Tension control equipment of spinning threads and yarns |
| CN110820157A (en) * | 2019-10-31 | 2020-02-21 | 宁波慈星股份有限公司 | Intelligent constant-tension yarn feeding method of knitting machine |
| CN112061893A (en) * | 2020-08-04 | 2020-12-11 | 北京国电富通科技发展有限责任公司 | Water pipe and cable synchronous winding and unwinding machine control system and method based on frequency converter |
| CN113666197A (en) * | 2021-10-21 | 2021-11-19 | 江苏安澜万锦电子股份有限公司 | Main shaft structure of taping machine and timing interruption control method thereof |
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