CN103728892A - Bundling control system used for square-bundle bundling machine - Google Patents
Bundling control system used for square-bundle bundling machine Download PDFInfo
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- CN103728892A CN103728892A CN201310727997.6A CN201310727997A CN103728892A CN 103728892 A CN103728892 A CN 103728892A CN 201310727997 A CN201310727997 A CN 201310727997A CN 103728892 A CN103728892 A CN 103728892A
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Abstract
The invention relates to a bundling control system used for a square-bundle bundling machine. The bundling control system is characterized by comprising a grass bundle length detector, a piston position detector, a controller, a power supply, a man-machine interaction device and an executing mechanism, wherein the controller is in communication with the grass bundle length detector, the piston position detector, the power supply, the man-machine interaction device and the executing mechanism, and when the grass bundle length detector detects that a grass bundle length value is greater than or equal to a set value and the piston position detector detects that the piston operation position is a safe position, the controller controls the executing mechanism to conduct bundling operation. The bundling control system has the advantages that the man-machine interaction device is used for setting the set value for the controller, the grass bundle length detector detects the length of a grass bundle, the piston position detector detects the position of a piston, the controller conducts logic judgment and controls operation of the executing mechanism, and therefore the bundling machine is simple in structure, high intellectualization degree and small in system control error, saves production cost and improves production efficiency.
Description
Technical field
The present invention relates to square bale baler field, especially a kind of square bale baler bundling control system.
Background technology
Square bale machine is a kind of important agriculture and animal husbandry machinery, and it can and be bundled into rectangular shape by herbage or agricultural crop straw compacting, is conducive to storage, the transportation of herbage or stalk, and development prospect is fine.The bundling process of square bale machine is as follows: drawing-in device is periodically sent to bundling house by forage, the forage that promotes to send into moves forward the piston cycle doing reciprocating linear motion, the forage of sending into after after forage moves forward being is stepped down, after the forage the sent into forage before can promoting again move forward; Under the acting in conjunction of piston and bundling house, forage is compacted formation bale gradually, and bale continues to move forward under the promotion of follow-up forage.Bale can drive measurement wheel to rotate in mobile process, by the rotational angle of measurement wheel and the radius of measurement wheel, can calculate the length of bale, when the length of bale reaches setting value, topworks starts bundling, topworks, in bundling, also must guarantee that piston does not interfere with bundling parts.
Square bale machine adopts the system of the mechanical mechanism compositions such as internal gear and cam clutch to control topworks's bundling more at present, the control system complex structure of this physical construction, error is large and take up room greatly, and intelligent degree is low, is unfavorable for the development of the intelligent and high speed of square bale machine.
Therefore how to design a kind of bundling control system, can make the departure of control system less and simple in structure, intelligent degree is higher, is conducive to the development of the intellectuality of square bale machine and high speed, is those skilled in the art's major issues urgently to be resolved hurrily.
Summary of the invention
The object of this invention is to provide the square bale baler bundling control system that a kind of degree simple in structure, intelligent is higher, system departure is less.
In order to complete above-mentioned purpose, the technical solution used in the present invention is:
A kind of square bale baler bundling control system, comprise bale length detector, piston position detecting device, controller, human-computer interaction device and topworks, described controller and bale length detector, piston position detecting device, human-computer interaction device and topworks rely on communication connection, the bale length value detecting at bale length detector is more than or equal to setting value, and the piston run location that detects of piston position detecting device is while being home, controller control topworks carries out bundling operation;
Described bale length detector comprises measurement wheel and bale linear transducer, bale linear transducer is fixed in the rotating shaft of measurement wheel, rotational angle collection signal that bale linear transducer detects measurement wheel pass to the length of controller by controller calculating bale, the angle that controller rotates by measurement wheel and the radius of measurement wheel converse the distance that bale moves forward, and the distance that bale moves forward is the length of bale;
Described topworks comprises coaxial sprocket wheel, electromagnetic clutch, knotting axle and the bundling parts that connect successively, described electromagnetic clutch is divided into closure and opens two states, electromagnetic clutch is closed or open by controller control, electromagnetic clutch is when closure state, sprocket wheel rotates drive knotting axle together, knotting axle rotates and can drive the running of bundling parts, and the binding of the side's of realization bale is bundled; Electromagnetic clutch is when open mode, and sprocket wheel disconnects and connecting with knotting axle, and knotting axle stops operating, and bundling parts also shut down;
Whether described piston position detecting device arrives home for detection of piston, described piston is driven by crank, piston and crank form slider-crank mechanism, during described piston arrives home, the residing rotation phase of crank is safe phase place, described home is that piston continuation motion can not interfere with the running that bundling parts will occur immediately, can coordinate bundling parts to complete smoothly the position of bundling function; Described piston position detecting device is realized the detection to piston position by the rotation phase that detects crank, piston position detecting device is fixed in the frame of baler, frame is provided with the adjustment groove of arc, and piston position detecting device is fixed on to be adjusted in groove and can in adjustment groove, do position adjustment;
Described controller is single-chip microcomputer or digital signal processor DSP.
When the length value of described bale is more than or equal to preseting length value, and described crank is while arriving safe phase place, electromagnetic clutch closure described in described controller control, and knotting axle rotates and drives the running of bundling parts, beginning bundling; When described crank arrives described safe phase place again, controller control electromagnetic clutch is opened, and described knotting axle stops operating, and described bundling parts complete bundling, and meanwhile, the length value of described bale starts to recalculate, and system starts next circulation.
Described human-computer interaction device is the combination of touch screen integrated panel or knob/button and LCD Panel, the output terminal of human-computer interaction device is connected with the input end of controller, the input end of human-computer interaction device is connected with the output terminal of controller, can be to the preseting length value of described controller input or modification bale by described human-computer interaction device, the information of the preseting length value of the bale of the display screen display controller output of human-computer interaction device, the number of bundling and output assessment.
The rotation period of described sprocket wheel is identical with the rotation period of crank and be synchronized with the movement.
The invention has the beneficial effects as follows: owing to being provided with control system, bale length detector, piston position detecting device and human-computer interaction device, human-computer interaction device is for setting setting value to controller, bale length detector is for detection of the length of bale, piston position detecting device detects the position of piston, controller carries out logic judgement and controls the bundling operation of topworks, higher and the system departure of baler degree simple in structure, intelligent is diminished, saved production cost and improved production efficiency.
Accompanying drawing explanation
Fig. 1 is the frame diagram of control system of the present invention.
Fig. 2 is the structural representation of bale length detector in the present invention.
Fig. 3 is the structural representation of topworks in the present invention.
Fig. 4 is the assembling schematic diagram of piston position detecting device in the present invention.
In figure, 1, piston, 2, measurement wheel, 3, bale linear transducer, 4, sprocket wheel, 5, electromagnetic clutch, 6, knotting axle, 7, crank, 8, frame, 9, piston position detecting device, 10, adjust groove.
Embodiment
The present invention is a kind of square bale baler bundling control system, owing to being provided with control system, bale length detector, piston position detecting device and human-computer interaction device, human-computer interaction device is for setting setting value to controller, bale length detector is for detection of the length of bale, piston position detecting device detects the position of piston, controller carries out logic judgement and controls the bundling operation of topworks, higher and the system departure of baler degree simple in structure, intelligent is diminished, saved production cost and improved production efficiency.
Below in conjunction with accompanying drawing, the present invention will be further described.
Specific embodiment, as shown in Figures 1 to 4, a kind of square bale baler bundling control system, comprise bale length detector, piston position detecting device 9, controller, human-computer interaction device and topworks, this control system adopts storage battery power supply, described controller and bale length detector, piston position detecting device 9, human-computer interaction device and topworks rely on communication connection, described human-computer interaction device is the combination of touch screen integrated panel or knob/button and LCD Panel, the output terminal of human-computer interaction device is connected with the input end of controller, the input end of human-computer interaction device is connected with the output terminal of controller, the preseting length value of the bale of the display screen display controller output of human-computer interaction device, the information of the number of bundling and output assessment, human-computer interaction device is for setting value display system state to controller setup parameter, the bale length value detecting at bale length detector is more than or equal to setting value, and piston 1 run location that detects of piston position detecting device 9 is while being home, controller control topworks carries out bundling operation.
Described bale length detector comprises measurement wheel 2 and bale linear transducer 3, bale linear transducer 3 is fixed in the rotating shaft of measurement wheel 2, rotational angle collection signal that bale linear transducer 3 detects measurement wheel 2 pass to the length of controller by controller calculating bale, the radius of the angle that controller rotates by measurement wheel 2 and measurement wheel 2 converses the distance that bale moves forward, and the distance that bale moves forward is the length of bale.
Described topworks comprises the coaxial sprocket wheel 4 connecting, electromagnetic clutch 5, knotting axle 6 and bundling parts successively, described sprocket wheel 4 is driven and is rotated by drive unit, it is identical with the rotation period of crank 7, and is synchronized with the movement, and the chain that ratio of gear is 1 or toothed belt transmission can be realized this requirement; Described electromagnetic clutch 5 is divided into closure and opens two states, electromagnetic clutch 5 is closed or open by controller control, and electromagnetic clutch 5 is when closure state, and sprocket wheel 4 will drive the axle 6 of tiing a knot to rotate together, knotting axle 6 rotates and can drive the running of bundling parts, and the binding of the side's of realization bale is bundled; Electromagnetic clutch 5 is when open mode, and sprocket wheel 4 disconnects and connecting with knotting axle 6, and knotting axle 6 stops operating, and bundling parts also shut down.
Whether described piston position detecting device 9 arrives home for detection of piston 1, described piston 1 is driven by crank 7, piston 1 and crank 7 form slider-crank mechanism, when described piston 1 arrives home, the residing rotation phase of crank 7 is safe phase place, described home is that piston 1 continuation motion can not interfere with the running that bundling parts will occur immediately, can coordinate bundling parts to complete smoothly the position of bundling function; Described piston position detecting device 9 is realized the detection to piston 1 position by the rotation phase that detects crank 7, piston position detecting device 9 is fixed in the frame 8 of baler, frame 8 is provided with the adjustment groove 10 of arc, and piston position detecting device 9 is fixed on to be adjusted in groove 10 and can in adjustment groove 10, do position adjustment; Before baler dispatches from the factory or after maintenance, need to adjust piston position detecting device 9 in the position of adjusting in groove 10; to guarantee the safe phase place of the corresponding phase place of piston position detecting device 9 as crank 7; after adjusting position, piston position detecting device 9 is fixed on and is adjusted in groove 10.
Described controller is single-chip microcomputer or digital signal processor DSP, and it has numerous interfaces and stronger arithmetic capability; Therefore the control system in the present invention can also be expanded other function, as bale Density Detection function, and the detection of bale density control function and other bale proterties or machine proterties or control function.
When the length value of described bale is more than or equal to preseting length value, and described crank 7 is while arriving safe phase place, electromagnetic clutch 5 closures described in described controller control, and knotting axle 6 rotates and drives the running of bundling parts, starts bundling; When described crank 7 arrives described safe phase place again, controller control electromagnetic clutch 5 is opened, and described knotting axle 6 stops operating, and described bundling parts complete bundling, and meanwhile, the length value of described bale starts to recalculate, and system starts next circulation.Owing to being provided with control system, bale length detector, piston position detecting device and human-computer interaction device, human-computer interaction device is for setting setting value to controller, bale length detector is for detection of the length of bale, piston position detecting device detects the position of piston, controller carries out logic judgement and controls the bundling operation of topworks, higher and the system departure of baler degree simple in structure, intelligent is diminished, saved production cost and improved production efficiency.
Claims (4)
1. a square bale baler bundling control system, it is characterized in that: comprise bale length detector, piston position detecting device, controller, human-computer interaction device and topworks, described controller and bale length detector, piston position detecting device, human-computer interaction device and topworks rely on communication connection, the bale length value detecting at bale length detector is more than or equal to setting value, and piston (1) run location that detects of piston position detecting device is while being home, controller control topworks carries out bundling operation;
Described bale length detector comprises measurement wheel (2) and bale linear transducer (3), bale linear transducer (3) is fixed in the rotating shaft of measurement wheel (2), rotational angle collection signal that bale linear transducer (3) detects measurement wheel (2) pass to the length of controller by controller calculating bale, the angle that controller rotates by measurement wheel (2) and the radius of measurement wheel (2) converse the distance that bale moves forward, and the distance that bale moves forward is the length of bale;
Described topworks comprises the coaxial sprocket wheel (4) connecting, electromagnetic clutch (5), knotting axle (6) and bundling parts successively, described electromagnetic clutch (5) is divided into closure and opens two states, electromagnetic clutch (5) is closed or open by controller control, electromagnetic clutch (5) is when closure state, sprocket wheel (4) will drive knotting axle (6) to rotate together, knotting axle (6) rotates and can drive the running of bundling parts, and the binding of the side's of realization bale is bundled; Electromagnetic clutch (5) is when open mode, and sprocket wheel (4) disconnects and connecting with knotting axle (6), and knotting axle (6) stops operating, and bundling parts also shut down;
Whether described piston position detecting device arrives home for detection of piston (1), described piston (1) is driven by crank (7), piston (1) and crank (7) form slider-crank mechanism, when described piston (1) arrives home, the residing rotation phase of crank (7) is safe phase place, described home is that piston (1) continuation motion can not interfere with the running that bundling parts will occur immediately, can coordinate bundling parts to complete smoothly the position of bundling function; Described piston position detecting device is realized the detection to piston (1) position by the rotation phase that detects crank (7), piston position detecting device (9) is fixed in the frame (8) of baler, frame (8) is provided with the adjustment groove (10) of arc, and piston position detecting device (9) is fixed on to be adjusted in groove (10) and can in adjustment groove (10), do position adjustment;
Described controller is single-chip microcomputer or digital signal processor DSP.
2. a kind of square bale baler bundling control system according to claim 1, it is characterized in that: when the length value of described bale is more than or equal to preseting length value, and described crank (7) is while arriving safe phase place, electromagnetic clutch (5) closure described in described controller control, knotting axle (6) rotates and drives the running of bundling parts, starts bundling; When described crank (7) arrives described safe phase place again, controller control electromagnetic clutch (5) is opened, and described knotting axle (6) stops operating, described bundling parts complete bundling, meanwhile, the length value of described bale starts to recalculate, and system starts next circulation.
3. a kind of square bale baler bundling control system according to claim 1, it is characterized in that: described human-computer interaction device is the combination of touch screen integrated panel or knob/button and LCD Panel, the output terminal of human-computer interaction device is connected with the input end of controller, the input end of human-computer interaction device is connected with the output terminal of controller, can be to the preseting length value of described controller input or modification bale by described human-computer interaction device, the preseting length value of the bale of the display screen display controller output of human-computer interaction device, the information of the number of bundling and output assessment.
4. a kind of square bale baler bundling control system according to claim 1, is characterized in that: the rotation period of described sprocket wheel (4) is identical with the rotation period of crank (7) and be synchronized with the movement.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310727997.6A CN103728892B (en) | 2013-12-23 | 2013-12-23 | A kind of square bale baler bundling control system |
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| CN201310727997.6A CN103728892B (en) | 2013-12-23 | 2013-12-23 | A kind of square bale baler bundling control system |
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| CN103728892A true CN103728892A (en) | 2014-04-16 |
| CN103728892B CN103728892B (en) | 2016-03-30 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400793A (en) * | 2014-11-17 | 2015-03-11 | 江苏沃得农业机械配件制造有限公司 | Wrist rotating device for bale loading and unloading manipulator |
| CN108207350A (en) * | 2017-12-05 | 2018-06-29 | 北京农业智能装备技术研究中心 | A kind of round bale baler control system and method |
| CN109557867A (en) * | 2019-01-28 | 2019-04-02 | 郑州能通网络技术有限公司 | A kind of electrically driven curtain with position detection |
| CN111226617A (en) * | 2020-03-02 | 2020-06-05 | 安徽中科智能感知产业技术研究院有限责任公司 | Real-time online detection method for bundling average bundling length of bundling machine based on magnetic sensor |
| CN111238338A (en) * | 2020-03-02 | 2020-06-05 | 安徽中科智能感知产业技术研究院有限责任公司 | Real-time online detection system for bundling quantity and bundling length of square straw bundle bundling machine |
| CN111226615A (en) * | 2020-03-02 | 2020-06-05 | 安徽中科智能感知产业技术研究院有限责任公司 | Real-time online detection method for bundling length of square straw bundle bundling machine based on magnetic sensor |
| CN111352373A (en) * | 2020-03-26 | 2020-06-30 | 吉林省远航农业机械有限公司 | Automatic control system of bundling machine |
| CN112075256A (en) * | 2020-09-10 | 2020-12-15 | 宁波欣仪伟业进出口有限公司 | Bundling control method, bundling control device, bundling control system, bundling device and readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2525782Y (en) * | 2002-02-28 | 2002-12-18 | 河南龙源贸易有限公司 | Multifunctional automatic stalk baler |
| CA2509221A1 (en) * | 2002-12-13 | 2004-07-01 | Metso Lindemann Gmbh | Method and arrangement for monitoring the operating condition of presses, particularly packing presses |
| CN201422258Y (en) * | 2009-06-26 | 2010-03-17 | 中国农业机械化科学研究院 | Straw pickup square baler |
| CN101810082A (en) * | 2009-02-19 | 2010-08-25 | 中国农业机械化科学研究院 | Fixed large-bale straw baler |
| EP2666351A1 (en) * | 2012-05-25 | 2013-11-27 | Deere & Company | Bale shape sensing system, baling device and method for such |
-
2013
- 2013-12-23 CN CN201310727997.6A patent/CN103728892B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2525782Y (en) * | 2002-02-28 | 2002-12-18 | 河南龙源贸易有限公司 | Multifunctional automatic stalk baler |
| CA2509221A1 (en) * | 2002-12-13 | 2004-07-01 | Metso Lindemann Gmbh | Method and arrangement for monitoring the operating condition of presses, particularly packing presses |
| CN101810082A (en) * | 2009-02-19 | 2010-08-25 | 中国农业机械化科学研究院 | Fixed large-bale straw baler |
| CN201422258Y (en) * | 2009-06-26 | 2010-03-17 | 中国农业机械化科学研究院 | Straw pickup square baler |
| EP2666351A1 (en) * | 2012-05-25 | 2013-11-27 | Deere & Company | Bale shape sensing system, baling device and method for such |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400793A (en) * | 2014-11-17 | 2015-03-11 | 江苏沃得农业机械配件制造有限公司 | Wrist rotating device for bale loading and unloading manipulator |
| CN108207350A (en) * | 2017-12-05 | 2018-06-29 | 北京农业智能装备技术研究中心 | A kind of round bale baler control system and method |
| CN108207350B (en) * | 2017-12-05 | 2019-09-10 | 北京农业智能装备技术研究中心 | A kind of round bale bundling machine control system and method |
| CN109557867A (en) * | 2019-01-28 | 2019-04-02 | 郑州能通网络技术有限公司 | A kind of electrically driven curtain with position detection |
| CN109557867B (en) * | 2019-01-28 | 2020-11-06 | 郑州能通网络技术有限公司 | Electric curtain with position detection function |
| CN111226615A (en) * | 2020-03-02 | 2020-06-05 | 安徽中科智能感知产业技术研究院有限责任公司 | Real-time online detection method for bundling length of square straw bundle bundling machine based on magnetic sensor |
| CN111238338A (en) * | 2020-03-02 | 2020-06-05 | 安徽中科智能感知产业技术研究院有限责任公司 | Real-time online detection system for bundling quantity and bundling length of square straw bundle bundling machine |
| CN111226617A (en) * | 2020-03-02 | 2020-06-05 | 安徽中科智能感知产业技术研究院有限责任公司 | Real-time online detection method for bundling average bundling length of bundling machine based on magnetic sensor |
| CN111238338B (en) * | 2020-03-02 | 2021-04-13 | 安徽中科智能感知产业技术研究院有限责任公司 | Real-time online detection system for bundling quantity and bundling length of square straw bundle bundling machine |
| CN111226615B (en) * | 2020-03-02 | 2022-04-22 | 安徽中科智能感知产业技术研究院有限责任公司 | Real-time online detection method for bundling length of square straw bundle bundling machine based on magnetic sensor |
| CN111352373A (en) * | 2020-03-26 | 2020-06-30 | 吉林省远航农业机械有限公司 | Automatic control system of bundling machine |
| CN112075256A (en) * | 2020-09-10 | 2020-12-15 | 宁波欣仪伟业进出口有限公司 | Bundling control method, bundling control device, bundling control system, bundling device and readable storage medium |
| CN112075256B (en) * | 2020-09-10 | 2022-06-28 | 宁波欣仪伟业进出口有限公司 | Bundling control method, bundling control device, bundling control system, bundling device and readable storage medium |
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