CN202334433U - Roving frame motor control circuit - Google Patents
Roving frame motor control circuit Download PDFInfo
- Publication number
- CN202334433U CN202334433U CN2011204249388U CN201120424938U CN202334433U CN 202334433 U CN202334433 U CN 202334433U CN 2011204249388 U CN2011204249388 U CN 2011204249388U CN 201120424938 U CN201120424938 U CN 201120424938U CN 202334433 U CN202334433 U CN 202334433U
- Authority
- CN
- China
- Prior art keywords
- frequency converter
- fly frame
- frame motor
- control
- motor control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a roving frame motor control circuit, which comprises a roving frame motor, and also comprises a frequency converter, wherein an output end of the frequency converter is connected with the roving frame motor, an input end of the frequency converter is connected with a main power supply circuit (100), and a control end of the frequency converter is connected with a control circuit (200). By adopting the roving frame motor control circuit, the quality of yarns produced by a roving frame can be improved.
Description
Technical field
The utility model relates to field of textiles, particularly a kind of fly frame motor control loop.
Background technology
Fly frame is a kind of textile machine, is used for the slubbing yarn.Fly frame processings of will stopping when Yarn break, full yarn in fabrication processes, occurring or supervising yarn qualities after processing, starts fly frame once more, and when starting fly frame once more, need accurately navigate to the position before stopping, and weaves proceeding.
The startup of fly frame and parking are mainly through motor and control loop control thereof.Fly frame motor control loop in the prior art generally comprises the air switch that is connected with electric network source, the A.C. contactor that is connected with air switch, the three phase alternating current motor that is connected with A.C. contactor.The fly frame motor control loop of this kind structure, motor are in start-up course, because after connecting air switch, A.C. contactor; Motor moment startup therefore can produce moment impact voltage, and the rated voltage of motor is 380V; Frequency is 50Hz; And this moment impact voltage is far longer than the rated voltage of motor, and this moment impact voltage also can make the frequency of power supply produce fluctuation, so the driving torque of motor can increase, velocity of rotation can increase; Stop and enable position thereby have influence on fly frame, and then influence quality of yarn.For example: the driving torque of motor increases, velocity of rotation increases; Can make the position after fly frame starts accurately to navigate to the position before stopping; Thereby the details that makes fly frame produce yarn increases, and the broken end number of times of yarn increases, and then makes quality of yarn not reach qualified standard.For this reason, when fly frame stops and start, to reduce electric motor starting speed and the driving torque that reduces motor, to improve fly frame production quality of yarn.
The utility model content
The utility model technical problem to be solved is, overcomes above deficiency, and a kind of fly frame motor control loop is provided, to improve fly frame production quality of yarn.
In order to solve the problems of the technologies described above; The technical scheme of the utility model is: a kind of fly frame motor control loop; Comprise the fly frame motor, frequency converter, the output of said frequency converter is connected with said fly frame motor; The input of said frequency converter is connected with main power circuit, and the control end of said frequency converter is connected with control circuit.
Further, also be connected with zero-phase filiter between said frequency converter and the fly frame motor.
Further, said main power circuit comprises air switch, A.C. contactor, the AC reactor of serial connection successively, fuse, input filter; One end of said input filter connects said frequency converter, and an end of said air switch is connected with electric network source.
Further, said control circuit comprises control power supply, control main board, the auxiliary relay of serial connection successively; One end of said auxiliary relay connects said frequency converter.
Further, said control main board comprises the input control board, controller, the output relay panel that are connected with its circuit.
Further, said control main board is connected with the second panel monitor.
Further, said frequency converter also is connected with the first panel monitor.
Compared with prior art; The advantage of the utility model is: after AC reactor, be connected with fuse; Be in order to guarantee connection stability and fail safe between frequency converter and the fly frame motor, reduce between AC reactor and the fly frame motor the too high frequency converter mechanical breakdown that causes owing to voltage.Its principle is: when the electric network source filter is moved or is struck by lightning; When the moment that causes, too high surge voltage electric current passed through AC reactor; When AC reactor can not be accomplished too high voltage of absorption or electric current, fuse will fuse, and can not be damaged with the protection frequency converter.That is to say that moment, too high surge voltage electric current can not flow into the fly frame motor through frequency converter, therefore, the driving torque of fly frame motor can not increase, velocity of rotation not can owing to moment too high electric current and voltage increase.
Connect input filter at the frequency converter input, can filtering through the filtering of the voltage behind the fuse, thereby make the voltage that enters into frequency converter more stable.
At the latter linked zero-phase filiter of frequency converter, the zero-phase filiter that promptly is connected between frequency converter and the fly frame motor.Voltage fluctuation that can the filtering inverter output terminal, thus make the voltage that is input to the fly frame motor more steady, make the startup of fly frame motor and stop more stable.
At the latter linked auxiliary relay of control main board, increased the carrying load ability of the output relay in the control main board, so that remove the control of conversion device with enough power.
In sum, the utility model has carried out Filtering Processing to voltage fluctuation respectively at the input and the output of frequency converter, thereby makes the voltage of frequency converter input and output keep stable; And be provided with fuse, thereby protected frequency converter can not be damaged at the input of frequency converter; Also in control circuit, be provided with controller, be used for control of conversion device toggle speed, the speed of service and stop speed; Also in control circuit, increased auxiliary relay, thereby strengthened the power output of control circuit, with the control of conversion device.When then fly frame stops; Can stablize and stop, the position after the startup can accurately navigate to the position before stopping, can even running during operation; Thereby make fly frame when producing yarn, reduce the details of yarn and the number of times of broken end, and then make quality of yarn reach criterion of acceptability.Therefore, the utility model can improve fly frame production quality of yarn.
Description of drawings
Fig. 1 is the syndeton sketch map of the utility model embodiment 1;
Fig. 2 is the syndeton sketch map of the utility model embodiment 2;
Fig. 3 is the syndeton sketch map of the utility model embodiment 3.
Shown in the figure: 100, main power circuit, 200, control circuit.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail:
Embodiment 1
Fig. 1 is the syndeton sketch map of the utility model embodiment 1.
Please refer to Fig. 1, present embodiment 1 fly frame motor control loop comprises the fly frame motor; Frequency converter; The output of said frequency converter is connected with said fly frame motor, and the input of said frequency converter is connected with main power circuit 100, said main power circuit 100; Comprise air switch, A.C. contactor, the AC reactor of serial connection successively, fuse, input filter; One end of said input filter connects said frequency converter, and an end of said air switch is connected with electric network source.
After AC reactor, being connected with fuse, is in order to guarantee connection stability and fail safe between frequency converter and the fly frame motor, reduces between AC reactor and the fly frame motor the too high frequency converter mechanical breakdown that causes owing to voltage.Its principle is: when perhaps being struck by lightning owing to the electrical network filter is moving; When the moment that causes, too high surge voltage electric current passed through AC reactor; When AC reactor can not be accomplished too high voltage of absorption or electric current, fuse will fuse, and can not be damaged with the protection frequency converter.That is to say that moment, too high surge voltage electric current can not flow into the fly frame motor through frequency converter, therefore, the driving torque of fly frame motor can not increase, velocity of rotation not can owing to moment too high electric current and voltage increase.
Connect input filter at the frequency converter input, can filtering through the filtering of the voltage behind the fuse, thereby make the voltage that enters into frequency converter more stable.
The control end of said frequency converter is connected with control circuit 200.Said control circuit 200 comprises control power supply, control main board, the auxiliary relay of serial connection successively.The control power supply is that control main board provides the electric power input, and an end of said auxiliary relay connects said frequency converter; Said control main board comprises the input control board, controller, the output relay panel that are connected with its circuit.The input control board is connected with photoelectric cell with the sensing element of fly frame, sends the state of sensing element and photoelectric cell to controller through the input control board.Controller also is used to adjust output voltage, thus the output frequency of adjustment frequency converter, and then toggle speed, the speed of service and the cut-off velocity of the fly frame motor that is connected with frequency converter of control.Auxiliary relay has increased the carrying load ability of the output relay in the control main board, so that remove the control of conversion device with enough power.
Wherein, frequency converter is connected with said fly frame motor, and the operation of controlling the fly frame motor with certain output frequency perhaps stops; Main power circuit is connected with said frequency converter, for said frequency converter provides the electric power input; Control circuit is connected with said frequency converter, is used to control the output frequency of said frequency converter.
As preferred implementation, also be connected with zero-phase filiter between said frequency converter and the fly frame motor.Said zero-phase filiter; Voltage fluctuation that can the filtering inverter output terminal, thus make the voltage that is input to the fly frame motor more steady, make the startup of fly frame motor and stop more stable; And then the startup and the parking spot of assurance fly frame motor, to improve fly frame production quality of yarn.
In sum, present embodiment 1 has carried out Filtering Processing to voltage fluctuation respectively from the input and the output of frequency converter, thereby makes the voltage of frequency converter input and output keep stable; And be provided with fuse, thereby protected frequency converter can not be damaged at the input of frequency converter; Also in control circuit, be provided with controller, be used for control of conversion device toggle speed, the speed of service and stop speed; Also in control circuit, increased auxiliary relay, thereby strengthened the power output of control circuit, with the control of conversion device; When then fly frame stops; Can stablize and stop, the position after the startup can accurately navigate to the position before stopping, can even running during operation; Thereby make fly frame when producing yarn, reduce the details of yarn and the number of times of broken end, and then make quality of yarn reach criterion of acceptability.Therefore, the utility model can improve fly frame production quality of yarn.
Embodiment 2
Fig. 2 is the syndeton sketch map of the utility model embodiment 2.
Please refer to Fig. 2, present embodiment 2 is on the basis of embodiment 1, to improve to form, and its difference is: said frequency converter also is connected with the first panel monitor.The first panel monitor is used to keep watch on the isoparametric variation of voltage, frequency of frequency converter.
Embodiment 3
Fig. 3 is the syndeton sketch map of the utility model embodiment 3.
Please refer to Fig. 3, present embodiment 3 is on the basis of embodiment 2, to improve to form, and its difference is: the control main board of said control circuit 200 is connected with the second panel monitor.The second panel monitor is used to keep watch on the transducer of fly frame, the operating state of photoelectric cell.
The utility model is not limited to above three kinds of embodiment, and the various variations of being done in all spirit and scopes in the utility model independent claims are all within the protection range of the utility model.
Claims (7)
1. fly frame motor control loop; Comprise the fly frame motor; It is characterized in that: also comprise frequency converter; The output of said frequency converter is connected with said fly frame motor, and the input of said frequency converter is connected with main power circuit (100), and the control end of said frequency converter is connected with control circuit (200).
2. fly frame motor control loop according to claim 1 is characterized in that: also be connected with zero-phase filiter between said frequency converter and the fly frame motor.
3. fly frame motor control loop according to claim 1 is characterized in that: said main power circuit (100) comprises air switch, A.C. contactor, the AC reactor of serial connection successively, fuse, input filter; One end of said input filter connects said frequency converter, and an end of said air switch is connected with electric network source.
4. fly frame motor control loop according to claim 1 is characterized in that: said control circuit (200) comprises control power supply, control main board, the auxiliary relay of serial connection successively; One end of said auxiliary relay connects said frequency converter.
5. fly frame motor control loop according to claim 4 is characterized in that: said control main board comprises the input control board, controller, the output relay panel that are connected with its circuit.
6. according to claim 4 or 5 described fly frame motor control loops, it is characterized in that: said control main board is connected with the second panel monitor.
7. fly frame motor control loop according to claim 1 is characterized in that: said frequency converter also is connected with the first panel monitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204249388U CN202334433U (en) | 2011-10-31 | 2011-10-31 | Roving frame motor control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204249388U CN202334433U (en) | 2011-10-31 | 2011-10-31 | Roving frame motor control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202334433U true CN202334433U (en) | 2012-07-11 |
Family
ID=46446397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204249388U Expired - Fee Related CN202334433U (en) | 2011-10-31 | 2011-10-31 | Roving frame motor control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202334433U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107526328A (en) * | 2017-08-31 | 2017-12-29 | 青岛金汇丰机械有限公司 | Fly frame intelligent controlling device |
| CN107608302A (en) * | 2017-08-31 | 2018-01-19 | 青岛金汇丰机械有限公司 | Fly frame electrical control gear |
-
2011
- 2011-10-31 CN CN2011204249388U patent/CN202334433U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107526328A (en) * | 2017-08-31 | 2017-12-29 | 青岛金汇丰机械有限公司 | Fly frame intelligent controlling device |
| CN107608302A (en) * | 2017-08-31 | 2018-01-19 | 青岛金汇丰机械有限公司 | Fly frame electrical control gear |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102280901A (en) | Low-voltage ride-through control device and control method for compound type wind generator set | |
| CN202334433U (en) | Roving frame motor control circuit | |
| CN205792315U (en) | A kind of star triangle start circuit of threephase motor | |
| CN203398795U (en) | Low-voltage reactive-power dynamic compensation device | |
| CN202331139U (en) | Control system for mercerizer | |
| CN112350512A (en) | Double-channel control type constant-frequency and constant-voltage power generation device | |
| CN204779993U (en) | Two -for -one twister power -off protection control system | |
| CN204733100U (en) | A kind of starting device and control system being applied to high-voltage motor | |
| CN112994216B (en) | Excitation system rectifier cabinet cooling fan power supply system | |
| CN101826826A (en) | Intelligent motor control cabinet | |
| CN102946087A (en) | Low voltage frequency converter provided with overvoltage protection function and overvoltage protection method of low voltage frequency converter | |
| CN203445817U (en) | Asphalt mixing plant vibrating screen motor brake device | |
| CN102420563B (en) | Intelligent bypass system for high-voltage frequency converter | |
| CN203504465U (en) | Continuous caster tension leveler excitation power supply | |
| CN203339672U (en) | Low-voltage frequency converter with overvoltage protection function | |
| CN102420564B (en) | Intelligent bypass system for high-voltage frequency converter | |
| CN207082009U (en) | Fly frame intelligent controlling device | |
| CN203645589U (en) | Improved control circuit of European DC speed-regulation device | |
| CN111162695A (en) | Method for starting multiple large motors by using PLC to control one frequency converter | |
| CN203339935U (en) | Low-voltage frequency converter having undervoltage protection function | |
| CN205265469U (en) | Intelligence motor control means | |
| CN217643192U (en) | System for starting high-power motor off grid | |
| CN205754107U (en) | A kind of motor dynamics star-delta conversion energy-conserving device | |
| CN203368382U (en) | Integrated winder electrical control cabinet | |
| CN204615367U (en) | For the over-pressure safety device of frequency converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20121031 |