CN205210632U - Spinning control system - Google Patents
Spinning control system Download PDFInfo
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- CN205210632U CN205210632U CN201520919663.3U CN201520919663U CN205210632U CN 205210632 U CN205210632 U CN 205210632U CN 201520919663 U CN201520919663 U CN 201520919663U CN 205210632 U CN205210632 U CN 205210632U
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- asynchronous machine
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Abstract
The utility model relates to a spinning control system, including asynchronous machine, converter, motor rotation number measuring device, alarm and singlechip, the singlechip includes timing circuit and counting circuit, and the timing circuit is used for calculating asynchronous machine's actual rotational speed and settlement not synchronal duration of rotational speed and interval time, and the counting circuit is used for calculating asynchronous machine's in the setting -up time actual rotational speed and sets for the different emergence number of times of rotational speed. The utility model discloses an add the alarm and set up timing circuit and counting circuit in the singlechip, it is short in the setting value or when taking place the number of times and exceeding the setting value to exceed setting value or interval time as duration, singlechip automatically connect alarm is reported to the police, thereby the help staff in time discovers equipment trouble, avoid nonserviceable down continued work and impaired of equipment, realize equipment trouble's nip an evil in the bud, the service life of equipment is prolonged, and the economic loss that equipment trouble caused that significantly reduces, ensure spinning process's normal operating.
Description
Technical field
The utility model relates to spinning equipment technical field, is a kind of spinning control system specifically.
Background technology
Spinning-drawing machine is a kind of machine making fibre-forming polymer solution or melt composition filiform.Different according to fiber spinning processes, spinning-drawing machine is divided into wet-spinning frame, melt spinning machine, air spinning machine three types.Wherein, wet-spinning frame is applicable to the spinning such as viscose rayon, acrylic fibers, polyvinyl.Wet-spinning frame is divided into again: (1) staple fiber spinning machine: spinning solution is introduced from woven hose, by volume pump accurate measurement, be filtered and enter spinning head, extrude thread from spinneret orifice and enter coagulating bath, solidify rear as-spun fibre and collect bunchy again through washing or stretching through draw-off godet.(2) Spinning Machine for Long Filament: with staple fiber spinning machine unlike adding the winding mechanism solidifying rear strand.Melt spinning machine is the spinning equipment for terylene, polyamide fibre and polypropylene fibre etc.Melt spinning machine also has two kinds: (1) Spinning Machine for Long Filament: superpolymer section is melted and is advanced by screw rod after hopper enters screw extruder sends into spinning manifold through conduit.Melt is delivered to spinning head (plate) through spinning pump in casing, and the melt stream extruded by spinneret orifice runs into chilled air cools and is solidified into fiber in spinning window, is wound on bobbin after oiling by winding mechanism.(2) staple fiber spinning machine: compared with Spinning Machine for Long Filament, is characterized in the large spinning jet adopting porous number; In spinning stack, adopt annular blowing or ring to blow the cooling quench system adding cross air blow, each spinning part does not have independent winding mechanism, the strand at each position, after draw-off godet or lesser trochanter, is guided tow into wire feeding wheel by traction engine, is then laid in fiber barrel by tow.The long filament that air spinning machine is used for acrylic fibers and polyvinyl is produced.Spinning solution enters path by woven hose through filter, volume pump and spinning head, and the thread of formation runs into hot-air in path, and solvent volatilizees, and in thread, superpolymer is solidified into fiber, and then tow is wound into certain package.
General melt spinning machine spinning technique flow process comprises: polyester material, after extruding, becomes melt, and is delivered continuously to spinning manifold through melt pipe.Spinning manifold is equipped with spinning pump, melt reaches filament spinning component with uniform flow velocity from spinning pump, from the aperture spinning jet, bunchy is extruded after filtering, the silk of a spinning jet ejection about has several thousand, tow after ejection is through a quick cooling duct, then numerous dacron is concentrated at together, and by after oiling, reach above up-coiler.The tow fallen after oiling is merged into one tow by up-coiler, through traction, drops in fiber barrel through feeding-wheel, as after spin the starting material of part.
In early days, client often only requires when using volume pump product the function possessing manual adjustments rotating speed, but manual adjustments rotating speed cannot meet the stable of melt throughput, cause the uniformity fluctuations of spinning very large, the direct stability affecting product quality, therefore increasing user tends to the volume pump using band external control function, such as, three-phase rare-earth permanent-magnet synchronous motor and frequency converter is adopted to carry out drived control spinning pump as control system, or employing asynchronous machine, scrambler and frequency converter carry out drived control spinning pump as control system, the latter is comparatively cheap relative to the former cost, therefore market share is higher.Although above-mentioned automation control system solves the accurate control problem of the melt throughput of volume pump; but the thing followed control performance usually can be caused in spinning process to be deteriorated even lost efficacy because of asynchronous machine fault or frequency converter failure; and operating personnel often can not Timeliness coverage equipment failure; equipment is caused usually to nonserviceable lower continuous firing and impaired; reduce the serviceable life of equipment; and cause a large amount of generations of substandard products, bring no small economic loss to enterprise.Therefore, be necessary to improve existing spinning control system, to help the equipment failure of operating personnel's Timeliness coverage, guarantee the normal operation of spinning process.
Utility model content
In order to overcome the defect of above-mentioned prior art, technical problem to be solved in the utility model is to provide one and contributes to the equipment failure of operating personnel's Timeliness coverage, guarantees the spinning control system that spinning process is normally run.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of spinning control system, comprise asynchronous machine, frequency converter, motor speed measurement device, alarm and single-chip microcomputer, described asynchronous machine is for driving spinning pump, described asynchronous machine is electrically connected with single-chip microcomputer by frequency converter, described motor speed measurement device is arranged in asynchronous machine to measure the rotating speed of asynchronous machine, described motor speed measurement device is electrically connected with single-chip microcomputer, described alarm is electrically connected with single-chip microcomputer, described single-chip microcomputer comprises timing circuit and counting circuit, described timing circuit is for actual speed and setting speed asynchronous duration of calculating asynchronous machine and interval time, described counting circuit is for calculating the frequency that the actual speed of asynchronous machine is different from setting speed in setting-up time.
Wherein, described motor speed measurement device comprises photoelectric switching circuit and frequency measurement circuit, the output terminal of described photoelectric switching circuit is connected with the input end of described frequency measurement circuit, described photoelectric switching circuit comprises light emitting diode, photodiode and light barrier, with axis of rotation in the rotating shaft that described light barrier is arranged on asynchronous machine, often rotate a circle and cut off light beam that described light emitting diode launches to described photodiode to produce periodic pulsed optical signals, described photoelectric switching circuit is used for described periodic pulsed optical signals to be converted to pulse electrical signal, described frequency measurement circuit is for measuring the frequency of described pulse electrical signal.
Wherein, described asynchronous machine comprises electric clutch-brake, described electric clutch-brake comprises electromagnetism seat, frictional disk, electromagnetic clutch control module, and the output wheel of frictional disk and asynchronous machine is connected, and the output terminal of electromagnetic clutch control module is electrically connected with electromagnetism seat.
The beneficial effects of the utility model are: by setting up alarm and arrange the counting circuit of the timing circuit of actual speed for calculating asynchronous machine and setting speed asynchronous duration and the interval time frequency different with actual speed and setting speed for calculating asynchronous machine in setting-up time in single-chip microcomputer, exceed setting value (such as more than 1s) when the duration or be shorter than the setting value fluctuation of speed of more than 2 times (in the such as 1h occur) interval time or frequency exceedes setting value (frequency of the fluctuation of speed in such as 24h is more than 10 times), then single-chip microcomputer judges that asynchronous machine occurs that exception or frequency converter break down, now single-chip microcomputer connection alarm is reported to the police, notify that staff carries out maintenance down and maintenance in time, equipment is avoided to nonserviceable lower continuous firing and impaired, realize checking erroneous ideas at the outset of equipment failure, the serviceable life of raising equipment, and greatly reduce the economic loss that equipment failure causes, guarantee the normal operation of spinning process.
Accompanying drawing explanation
Figure 1 shows that the organigram of the spinning control system of the utility model embodiment.
Label declaration:
1-asynchronous machine; 2-frequency converter; 3-motor speed measurement device; 4-alarm; 5-single-chip microcomputer; 6-spinning pump; 50-timing circuit; 51-counting circuit.
Embodiment
By describing technology contents of the present utility model in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with embodiment.
The design of the utility model most critical is: set up alarm and in single-chip microcomputer, arrange timing circuit and counting circuit, whether the fluctuation of speed situation of real-time monitoring asynchronous machine comprises the lasting duration of the fluctuation of speed, interval duration and frequency normal, if abnormal, alarm for opening is reported to the police automatically, thus help the equipment failure of staff's Timeliness coverage, impaired and the defect rate of minimizing equipment, guarantees the normal operation of spinning process.
Please refer to shown in Fig. 1, spinning control system of the present utility model, comprise asynchronous machine 1, frequency converter 2, motor speed measurement device 3, alarm 4 and single-chip microcomputer 5, described asynchronous machine 1 is for driving spinning pump 6, described asynchronous machine 1 is electrically connected with single-chip microcomputer 5 by frequency converter 2, described motor speed measurement device 3 is arranged in asynchronous machine 1 to measure the rotating speed of asynchronous machine 1, described motor speed measurement device 3 is electrically connected with single-chip microcomputer 5, described alarm 4 is electrically connected with single-chip microcomputer 5, described single-chip microcomputer 5 comprises timing circuit 50 and counting circuit 51, described timing circuit 50 is for actual speed and setting speed asynchronous duration of calculating asynchronous machine 1 and interval time, described counting circuit 51 is for the actual speed that calculates asynchronous machine 1 in the setting-up time frequency different from setting speed.
Principle of work of the present utility model is as follows:
In spinning process, user inputs setting speed value in advance in single-chip microcomputer 5, setting duration value (actual speed of asynchronous machine and the asynchronous duration normal value of setting speed, such as 1s, expression rotating speed in 1s recovers stable and belongs to normal, exceed then for abnormal), setting spacing value (actual speed of asynchronous machine and setting speed normal value asynchronous interval time, such as 1h, represent occur next time the fluctuation of speed with last occur the fluctuation of speed interval greater than or equal 1h and belong to normal, be less than 1h then for abnormal, the fluctuation of speed occurring more than 2 times in other words in 1h is then abnormal) and set point number value (the frequency normal value that the actual speed of asynchronous machine is different from setting speed in setting-up time, such as 10 times/24h, represent that the number of times that the fluctuation of speed occurs in 24h is less than or equals 10 times and belong to normal, be then abnormal more than 10 times), then asynchronous machine 1 drives spinning pump 6 to carry out work, the actual speed of motor speed measurement device 3 Real-Time Monitoring asynchronous machine 1 and by actual speed value by electrical signal transfer to single-chip microcomputer 5, the actual speed value of acquisition and setting speed value compare by single-chip microcomputer 5, when actual speed value deviates from setting speed value, single-chip microcomputer 5 generates adjustment of rotational speed signal and by adjustment of rotational speed signal transmission to frequency converter 2, make the stabilization of speed of asynchronous machine 1 in setting speed value by the rotating speed adjustment of frequency converter 2 pairs of asynchronous machines 1, simultaneously timing circuit 50 starts to calculate the actual speed of asynchronous machine 1 and setting speed asynchronous duration and interval time, counting circuit 51 starts to calculate the frequency that the actual speed of asynchronous machine 1 is different from setting speed in setting-up time, setting duration value is exceeded when the duration, or interval time is less than setting spacing value, or frequency is when being greater than set point number value, single-chip microcomputer 5 judges that asynchronous machine 1 occurs that exception or frequency converter 2 break down, start alarm 4 immediately to report to the police.
From foregoing description, the beneficial effects of the utility model are: by the timing circuit of actual speed and setting speed asynchronous duration of setting up alarm and arrange in single-chip microcomputer for calculating asynchronous machine and interval time, for calculating the counting circuit of the frequency that the actual speed of asynchronous machine is different from setting speed in setting-up time, exceed setting value (such as more than 1s) when the duration or be shorter than setting value (in such as 1h just occur a fluctuation of speed) interval time or frequency exceedes setting value (frequency of the fluctuation of speed in such as 24h is more than 10 times), then single-chip microcomputer judges that asynchronous machine occurs that exception or frequency converter break down, now single-chip microcomputer connection alarm is reported to the police, notify that staff carries out maintenance down and maintenance in time, equipment is avoided to nonserviceable lower continuous firing and impaired, realize checking erroneous ideas at the outset of equipment failure, the serviceable life of raising equipment, and greatly reduce the economic loss that equipment failure causes, guarantee the normal operation of spinning process.
Further, described motor speed measurement device 3 comprises photoelectric switching circuit and frequency measurement circuit, the output terminal of described photoelectric switching circuit is connected with the input end of described frequency measurement circuit, described photoelectric switching circuit comprises light emitting diode, photodiode and light barrier, with axis of rotation in the rotating shaft that described light barrier is arranged on asynchronous machine, often rotate a circle and cut off light beam that described light emitting diode launches to described photodiode to produce periodic pulsed optical signals, described photoelectric switching circuit is used for described periodic pulsed optical signals to be converted to pulse electrical signal, described frequency measurement circuit is for measuring the frequency of described pulse electrical signal.
From foregoing description, the beneficial effects of the utility model are: adopt the circuit design that light emitting diode and photodiode control, utilize the rotational frequency in oscillograph acquisition asynchronous machine rotation process, then rotating speed is calculated by the relation in frequency and cycle, this measuring method is simple and reliable, solves the not high and inaccurate problem of test data of the testing efficiency existed in the test of motor speed in prior art.Adopt above-mentioned motor speed measurement device, by simple circuit and calculating, just can calculate the rotating speed of asynchronous machine accurately, there is simple and convenient reliable advantage.
Further, described asynchronous machine 1 comprises electric clutch-brake, described electric clutch-brake comprises electromagnetism seat, frictional disk, electromagnetic clutch control module, and the output wheel of frictional disk and asynchronous machine is connected, and the output terminal of electromagnetic clutch control module is electrically connected with electromagnetism seat.
From foregoing description, the beneficial effects of the utility model are: by connecting an electromagnetic braking clutch coupling on asynchronous machine, single-chip microcomputer controls asynchronous machine and electromagnetic clutch accurately by circuit for controlling motor and electromagnetic clutch control circuit, reduce the cost of the location of asynchronous machine, improve the work efficiency of above-mentioned locator meams, and control accuracy is very high.
Please refer to shown in Fig. 1, embodiment one of the present utility model is:
A kind of spinning control system, comprise asynchronous machine 1, frequency converter 2, motor speed measurement device 3, alarm 4 and single-chip microcomputer 5, described asynchronous machine 1 is for driving spinning pump 6, described asynchronous machine 1 is electrically connected with single-chip microcomputer 5 by frequency converter 2, described motor speed measurement device 3 is arranged in asynchronous machine 1 to measure the rotating speed of asynchronous machine 1, described motor speed measurement device 3 is electrically connected with single-chip microcomputer 5, described alarm 4 is electrically connected with single-chip microcomputer 5, described single-chip microcomputer 5 comprises timing circuit 50 and counting circuit 51, described timing circuit 50 is for actual speed and setting speed asynchronous duration of calculating asynchronous machine 1 and interval time, described counting circuit 51 is for the actual speed that calculates asynchronous machine 1 in the setting-up time frequency different from setting speed.Described motor speed measurement device 3 comprises photoelectric switching circuit and frequency measurement circuit, the output terminal of described photoelectric switching circuit is connected with the input end of described frequency measurement circuit, described photoelectric switching circuit comprises light emitting diode, photodiode and light barrier, with axis of rotation in the rotating shaft that described light barrier is arranged on asynchronous machine, often rotate a circle and cut off light beam that described light emitting diode launches to described photodiode to produce periodic pulsed optical signals, described photoelectric switching circuit is used for described periodic pulsed optical signals to be converted to pulse electrical signal, described frequency measurement circuit is for measuring the frequency of described pulse electrical signal.Described asynchronous machine 1 comprises electric clutch-brake, described electric clutch-brake comprises electromagnetism seat, frictional disk, electromagnetic clutch control module, the output wheel of frictional disk and asynchronous machine is connected, and the output terminal of electromagnetic clutch control module is electrically connected with electromagnetism seat.
In sum, the spinning control system that the utility model provides, operating personnel's discovering device fault can be helped timely and effectively, equipment is avoided to nonserviceable lower continuous firing and impaired, realize checking erroneous ideas at the outset of equipment failure, the serviceable life of raising equipment, and the economic loss greatly reducing that equipment failure causes, guarantee the normal operation of spinning process.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalents utilizing the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (3)
1. a spinning control system, it is characterized in that: comprise asynchronous machine, frequency converter, motor speed measurement device, alarm and single-chip microcomputer, described asynchronous machine is for driving spinning pump, described asynchronous machine is electrically connected with single-chip microcomputer by frequency converter, described motor speed measurement device is arranged in asynchronous machine to measure the rotating speed of asynchronous machine, described motor speed measurement device is electrically connected with single-chip microcomputer, described alarm is electrically connected with single-chip microcomputer, described single-chip microcomputer comprises timing circuit and counting circuit, described timing circuit is for actual speed and setting speed asynchronous duration of calculating asynchronous machine and interval time, described counting circuit is for calculating the frequency that the actual speed of asynchronous machine is different from setting speed in setting-up time.
2. spinning control system according to claim 1, it is characterized in that: described motor speed measurement device comprises photoelectric switching circuit and frequency measurement circuit, the output terminal of described photoelectric switching circuit is connected with the input end of described frequency measurement circuit, described photoelectric switching circuit comprises light emitting diode, photodiode and light barrier, with axis of rotation in the rotating shaft that described light barrier is arranged on asynchronous machine, often rotate a circle and cut off light beam that described light emitting diode launches to described photodiode to produce periodic pulsed optical signals, described photoelectric switching circuit is used for described periodic pulsed optical signals to be converted to pulse electrical signal, described frequency measurement circuit is for measuring the frequency of described pulse electrical signal.
3. spinning control system according to claim 1, it is characterized in that: described asynchronous machine comprises electric clutch-brake, described electric clutch-brake comprises electromagnetism seat, frictional disk, electromagnetic clutch control module, the output wheel of frictional disk and asynchronous machine is connected, and the output terminal of electromagnetic clutch control module is electrically connected with electromagnetism seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520919663.3U CN205210632U (en) | 2015-11-18 | 2015-11-18 | Spinning control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520919663.3U CN205210632U (en) | 2015-11-18 | 2015-11-18 | Spinning control system |
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| CN205210632U true CN205210632U (en) | 2016-05-04 |
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| CN201520919663.3U Active CN205210632U (en) | 2015-11-18 | 2015-11-18 | Spinning control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113050568A (en) * | 2017-02-22 | 2021-06-29 | 苏州普力玛智能电子有限公司 | Quality monitoring method and system for false-twisted yarns |
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2015
- 2015-11-18 CN CN201520919663.3U patent/CN205210632U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113050568A (en) * | 2017-02-22 | 2021-06-29 | 苏州普力玛智能电子有限公司 | Quality monitoring method and system for false-twisted yarns |
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