CN102929187A - Straw briquette production line control system - Google Patents
Straw briquette production line control system Download PDFInfo
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- CN102929187A CN102929187A CN2012103399508A CN201210339950A CN102929187A CN 102929187 A CN102929187 A CN 102929187A CN 2012103399508 A CN2012103399508 A CN 2012103399508A CN 201210339950 A CN201210339950 A CN 201210339950A CN 102929187 A CN102929187 A CN 102929187A
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Abstract
The invention relates to a straw briquette production line control system. The system comprises a programmable logic controller (PLC) control core block (6), a data acquisition device and a control output executing device, and is characterized in that a conveyor motor (12) operates; the straw is fed to the conveyor and enters a feeding mechanism of a briquette molding machine for molding; an instruction speed regulation frequency converter I (9) of the PLC control core block (6) is used for controlling the briquetting speed of a briquetting press feeding motor (14); an instruction speed regulation frequency converter II (10) is used for adjusting the feeding quantity of a hay cutter motor (13); and an instruction speed regulation frequency converter III (11) is used for adjusting the conveying speed of a conveyor motor (12). The PLC control core block has high reliability and maintainability and strong antijamming capacity, is especially suitable for the poor working environment of the production field of briquette and can be conveniently maintained by operators. By utilizing automatic control, the briquetting quality is effectively ensured, the production rate is high and the energy consumption is low.
Description
Technical field
The invention belongs to agricultural mechanical field, particularly relate to the control system of the stalk briquette production line that comprises crushed stalk machinery, stalk conveying machinery, stalk block making machine.
Background technology
Stalk briquette equipment occupies critical role at the biomass energy source domain, have raw material sources abundant, can throw than many advantages such as high, environmental protection.Yet present stalk briquette equipment generally adopts manual work, has following three problems: one, owing to being manually by virtue of experience material loading, control moisture, the quality of briquetting is very unstable, sometimes even normally moulding; Two, because the operation of blindness, the yielding poorly of cuber, energy consumption is also larger; Three, the production scene dust is many, work under bad environment, and hand labor intensity is large, and simultaneously recruitment cost is also high.
Summary of the invention
For addressing the above problem, the object of the present invention is to provide a kind of stalk briquette production line automation control system, to adopt PLC control core piece and data collector to export actuating unit and be connected with being connected, control and water percentage, feed quantity, feeding speed and the temperature of regulating stalk make the stalk briquette moulding realize robotization.
Technical scheme of the present invention is achieved in the following ways: a kind of stalk briquette production line control system, a PLC control core piece, the data collector that links to each other with PLC control core piece, corresponding with data collector and link to each other with PLC control core piece control output actuating unit, described data collector group is by the forming temperature sensor, the stalk moisture transducer, moulding Main motor current table, hay cutter Main motor current table and line speed pick-up unit, described control actuating unit group is by cuber shaping area cooling device, stalk moisture regulating device, three speed regulation frequency converters and I, II, the cuber feeding motor that III links to each other with three speed regulation frequency converters, hay cutter feeding motor and travelling belt motor form, it is characterized in that: described travelling belt machine operation, stalk are served the intake mechanism compound stalk forming that travelling belt enters briquetting forming machine; Briquetting speed, instruction speed regulation frequency converter II by PLC control core block instruction speed regulation frequency converter I control cuber feeding motor are regulated hay cutter motor feed quantity size, and instruction speed regulation frequency converter III is regulated the transfer rate of travelling belt motor.
Described stalk moisture transducer detects moisture content of straws, and water percentage is lower than between the given area, and PLC control core piece is implemented moisturizing by stalk moisture regulating device 8.
Described temperature sensor detects the temperature value of stalk block making machine, and when being higher than setting value, PLC control core block instruction cuber shaping area cooling device reduces temperature to reach setting value.
Described stalk moisture transducer adopts the Microwave Water sub sensor.
Described stalk moisture regulating device adopts solenoid valve to regulate moisture.
The feed quantity of described hay cutter feeding Electric Machine Control hay cutter is judged that by hay cutter principal current table and forming machine Main motor current table the hay cutter feed quantity is excessive, and PLC control core piece reduces the speed of hay cutter feeding motor by the speed regulation frequency converter I.
Described cuber feeding Electric Machine Control cuber feed quantity, when the cuber feed quantity was excessive: the speed of PLC control core piece detection line speed pick-up unit was higher than set-point on the one hand, reduces the speed of travelling belt motor by the speed regulation frequency converter III; On the other hand, PLC control core piece reduces the speed of cuber feeding motor by the speed regulation frequency converter I, and vice versa.
The temperature of the cuber shaping area of described briquetting forming machine is detected by temperature sensor and feeds back to PLC control core piece, by the cooling of control cuber shaping area cooling device, to reach the purpose that reduces the temperature to required value.
Adopt structure of the present invention, PLC control core piece reliability and maintainability are good, and antijamming capability is strong, especially are fit to the abominable working environment in briquetting production scene, also handled easily personnel's maintenance.In addition, the load capacity of PLC is strong, and energy and whole production line are complementary.Microwave Water sub sensor, microwave have the characteristic that can penetrate the very large nonmetallic materials of acoustic attenuation, its advantage be equipment not too complicated, contactless, be convenient to robotization, applicable to the straw briquette fuel production line continuously, Quick Measurement and automatically control.It is installed in the bottom of microwave moisture regulating device, it is the stalk after pulverizing on it, based on the microwave projective method, the variation of the energy of both can detection system launching, also can detect the variation that corresponding microwave parameters (amplitude, phase place, frequency) occurs, draw again the moisture of material by the mathematical model of measuring.Regulate moisture with solenoid valve practical, be convenient to control.The employing robotization is controlled, and has effectively guaranteed the quality of briquetting, boosts productivity, and reduces energy consumption.
Description of drawings
Fig. 1 is structured flowchart of the present invention.
Among the figure: 1 line speed pick-up unit, 2 hay cutter Main motor current tables, 3 moulding Main motor current tables, 4 stalk moisture transducers, 5 forming temperature sensors, 6 PLC control, 7 cuber shaping area cooling devices, 8 stalk moisture regulating devices, 9 speed regulation frequency converter I, 10 speed regulation frequency converter II, 11 speed regulation frequency converter III, 12 travelling belt motors, 13 hay cutters feeding motor, 14 cubers feeding motor.
Embodiment
As shown in Figure 1, a kind of stalk briquette production line control system, comprise a PLC control core piece 6, the data collector that links to each other with PLC control core piece 6, corresponding with data collector and link to each other with PLC control core piece 6 control output actuating unit, described data collector group is by forming temperature sensor 5, stalk moisture transducer 4, moulding Main motor current table 3, hay cutter Main motor current table 2 and line speed pick-up unit 2, described control actuating unit group is by cuber shaping area cooling device 7, stalk moisture regulating device 8, three speed regulation frequency converter I 9, II 10, III 11 and the cuber feeding motor 14 that links to each other with three speed regulation frequency converters, hay cutter feeding motor 13 and travelling belt motor 11 form, 12 work of travelling belt motor, stalk is served the intake mechanism compound stalk forming that travelling belt enters briquetting forming machine; Briquetting speed, instruction speed regulation frequency converter II 10 by PLC control core piece 6 instruction speed regulation frequency converter I 9 control cuber feeding motors 14 are regulated hay cutter motor 13 feed quantities size, the transfer rate that instruction speed regulation frequency converter III 11 is regulated travelling belt motor 12.
Hay cutter and stalk block making machine have a best feed quantity, and whether feed quantity is excessive, can judge by hay cutter principal current table 2 and forming machine Main motor current table 3.When detecting the hay cutter feed quantity when excessive, PLC control core piece 6 reduces the speed of hay cutters feeding motors 13 by speed regulation frequency converter I 9, and vice versa.When detecting the cuber feed quantity when excessive, to see on the one hand whether the speed that the line speed pick-up unit sends PLC control core piece 6 to is higher than set-point, if be higher than set-point, PLC control core piece 6 reduces the speed of travelling belt motor 12 by speed regulation frequency converter III 11; On the other hand, PLC control core piece 6 can reduce by speed regulation frequency converter I 9 speed of cuber feeding motor 14, and vice versa.
Water percentage is to affect the whether key factor of moulding of stalk, and when stalk moisture transducer 4 detected moisture content of straws and is lower than between the given area, PLC control core piece 6 was implemented moisturizings to set-point by stalk moisture regulating device 8.This is the feedback system of a closed loop.Stalk moisture transducer 4 is the Microwave Water sub sensor, and stalk moisture regulating device 8 adopts solenoid valve to regulate moisture.
Along with the carrying out that produces, the temperature of cuber shaping area can slowly raise, when temperature sensor 5 detects the temperature value that sends PLC control core piece 6 to and exceeds required value, PLC control core piece 6 control cuber shaping area cooling devices 7 are done corresponding actions, reach the purpose that reduces the temperature to required value.
During work, stalk enters hay cutter evenly, continuously through a bit of conveying belt, through moisture regulating device 8 stalk moisture is adjusted to the scope of requirement again, flows to the intake mechanism of stalk block making machine finally by travelling belt, until the most total compound stalk forming.
Claims (8)
1. stalk briquette production line control system, a PLC control core piece (6), the data collector that links to each other with PLC control core piece, corresponding with data collector and link to each other with PLC control core piece control output actuating unit, described data collector group is by forming temperature sensor (5), stalk moisture transducer (4), moulding Main motor current table (3), hay cutter Main motor current table (2) and line speed pick-up unit (1), described control actuating unit group is by cuber shaping area cooling device (7), stalk moisture regulating device (8), three speed regulation frequency converters and I (9), II (10), the cuber feeding motor (14) that III (11) links to each other with three speed regulation frequency converters, hay cutter feeding motor (13) and travelling belt motor (12) form, it is characterized in that: described travelling belt motor (12) work, stalk is served the intake mechanism compound stalk forming that travelling belt enters briquetting forming machine; Briquetting speed, instruction speed regulation frequency converter II (10) by PLC control core piece (6) instruction speed regulation frequency converter I (9) control cuber feeding motor (14) are regulated hay cutter motor (13) feed quantity size, and instruction speed regulation frequency converter III (11) is regulated the transfer rate of travelling belt motor (12).
2. a kind of stalk briquette production line control system according to claim 1, it is characterized in that: described stalk moisture transducer (4) detects moisture content of straws, water percentage is lower than between the given area, and PLC control core piece (6) is implemented moisturizing by stalk moisture regulating device (8).
3. a kind of stalk briquette production line control system according to claim 1, it is characterized in that: described temperature sensor (5) detects the temperature value of stalk block making machine, when being higher than setting value, PLC control core piece (6) instruction cuber shaping area cooling device (7) reduces temperature to reach setting value.
4. a kind of stalk briquette production line control system according to claim 1 is characterized in that: described stalk moisture transducer (4) employing Microwave Water sub sensor.
5. a kind of stalk briquette production line control system according to claim 1 is characterized in that: described stalk moisture regulating device (8) employing solenoid valve adjusting moisture.
6. a kind of stalk briquette production line control system according to claim 1, it is characterized in that: the feed quantity of described hay cutter feeding motor (13) control hay cutter, judged by hay cutter principal current table (2) and forming machine Main motor current table (3), the hay cutter feed quantity is excessive, and PLC control core piece (6) reduces the speed of hay cutter feeding motor (13) by speed regulation frequency converter I (9).
7. a kind of stalk briquette production line control system according to claim 1, it is characterized in that: described cuber feeding motor (14) control cuber feed quantity, when the cuber feed quantity was excessive: the speed of PLC control core piece (6) detection line speed pick-up unit (1) was higher than set-point on the one hand, reduced the speed of travelling belt motor (12) by speed regulation frequency converter III (11); On the other hand, PLC control core piece (6) reduces the speed of cuber feeding motor (14) by speed regulation frequency converter I (9), and vice versa.
8. a kind of stalk briquette production line control system according to claim 1, it is characterized in that: the temperature of the cuber shaping area of described briquetting forming machine is detected by temperature sensor (5) and feeds back to PLC control core piece (6), by control cuber shaping area cooling device (7) cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103399508A CN102929187A (en) | 2012-09-14 | 2012-09-14 | Straw briquette production line control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103399508A CN102929187A (en) | 2012-09-14 | 2012-09-14 | Straw briquette production line control system |
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| CN102929187A true CN102929187A (en) | 2013-02-13 |
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| CN2012103399508A Pending CN102929187A (en) | 2012-09-14 | 2012-09-14 | Straw briquette production line control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071397A (en) * | 2014-06-27 | 2014-10-01 | 江苏大学 | Circular mould straw briquetting machine intelligence collection device |
| CN104516336A (en) * | 2014-02-24 | 2015-04-15 | 江苏大学 | Intelligent straw briquetting forming production line controller |
| CN113357645A (en) * | 2021-05-28 | 2021-09-07 | 中国天楹股份有限公司 | Control system for movable straw burning treatment system |
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2012
- 2012-09-14 CN CN2012103399508A patent/CN102929187A/en active Pending
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| WO2011098572A1 (en) * | 2010-02-12 | 2011-08-18 | Cnh Belgium N.V. | A square baler and a related control method |
| CN102259436A (en) * | 2010-05-31 | 2011-11-30 | 浙江伟林木业有限公司 | Rolling-type biomass fuel particle forming device and manufacturing process thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104516336A (en) * | 2014-02-24 | 2015-04-15 | 江苏大学 | Intelligent straw briquetting forming production line controller |
| CN104071397A (en) * | 2014-06-27 | 2014-10-01 | 江苏大学 | Circular mould straw briquetting machine intelligence collection device |
| CN104071397B (en) * | 2014-06-27 | 2016-08-24 | 江苏大学 | A kind of ring mould stalk block making machine smartphone device |
| CN113357645A (en) * | 2021-05-28 | 2021-09-07 | 中国天楹股份有限公司 | Control system for movable straw burning treatment system |
| CN113357645B (en) * | 2021-05-28 | 2024-01-16 | 中国天楹股份有限公司 | Control system for mobile straw incineration treatment system |
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Application publication date: 20130213 |