CN106482503A - grain drying machine control system and control method - Google Patents

grain drying machine control system and control method Download PDF

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Publication number
CN106482503A
CN106482503A CN201610995503.6A CN201610995503A CN106482503A CN 106482503 A CN106482503 A CN 106482503A CN 201610995503 A CN201610995503 A CN 201610995503A CN 106482503 A CN106482503 A CN 106482503A
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China
Prior art keywords
grain
control system
plc
module
button
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CN201610995503.6A
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CN106482503B (en
Inventor
王德荣
朱晓华
刘立周
王华帝
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Anhui Province Opens Up Automation Co Ltd
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Anhui Province Opens Up Automation Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/22—Controlling the drying process in dependence on liquid content of solid materials or objects
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B9/00—Preservation of edible seeds, e.g. cereals
    • A23B9/08—Drying; Subsequent reconstitution
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/06—Grains, e.g. cereals, wheat, rice, corn

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses grain drying machine control system and control method; it is related to technical field of automatic control; including input protection module, PLC and control output module; described control system also includes Moisture Meter and analog module; described analog module is connected with described PLC; by Moisture Meter, detection information is transmitted to analog module; again analog signalses are gathered to PLC; described control system also includes touch screen, and described touch screen is connected with described PLC and interactive information.The present invention solves the deficiency that original button indicating lamp type mode of operation is brought, and can produce mechanical wear and electric arc burn, wiring is also many more than button indicating lamp, reliability, the problem of maintainability difference.Row information very easily can be entered with drying plant by man machine interface to exchange, reduce the use of other components and parts, make system more reliable and more stable.

Description

Grain drying machine control system and control method
Technical field
The present invention relates to technical field of automatic control, more particularly, to grain drying machine control system and control method.
Background technology
Grain drying machine is that a kind of automaticity requires higher electromechanical equipment, is applied to crops in agricultural production and dries Dry field, with scientific and technological development further, original button indicating lamp type mode of operation can not meet the demand of client, make The on off control of each actuator of dehydrator and the operation of each actuator or event can only be done with the mode of button indicating lamp The instruction of barrier state, and the time of current device operation, the historical failure situation of each actuator and to temperature cannot be recorded The problems such as shown and made the mode of temperature curve and shown.
Content of the invention
Present invention aim at above-mentioned technical problem present in solution prior art, provide one kind can carry out man-machine letter The grain drying machine control system of breath interaction and control method.
In order to solve above-mentioned technical problem, the present invention adopts the following technical scheme that：
Including input protection module, PLC and control output module, described control system also includes Moisture Meter and mould Analog quantity module, described analog module is connected with described PLC, is transmitted detection information to analog quantity mould by Moisture Meter Block, then analog signalses are gathered to PLC, described control system also includes touch screen, described touch screen and described PLC Controller connects and interactive information.Preferably, described test system also includes serial communication interface, and described serial communication interface divides Not with described relay matrix unit, MCU, product to be measured, calculating mechatronics, facilitate the renewal of control program, and make institute State relay matrix unit and computer real-time communication.
Preferably, described control system also includes system control cabinet, described system control cabinet include erecting bay for electric apparatus and Cabinet side,
Four row arrangement components and parts are electrically divided on mounting base, the first row is provided with PLC and its expansion module, two The controlling switch of minor loop, standby socket, components and parts insurance and power switch power supply；Second row is disposed with total input-wire electric leakage Protection switch and the controlling switch of each motor；The third line is provided with the A.C. contactor controlling each motor and the heat for electric motor protecting Overload protective device；Last column is to external wiring terminal, is sequentially provided with total input-wire terminal, motor power terminal and signal end Son.
Cabinet side is provided with operation touch-screen, status indicator lamp, start-stop button and DTU module.
Preferably, described touch screen is connected by a communication interface with described PLC.
Preferably, described interface is RS485 interface, it is possible to achieve network savvy.
Preferably, described system can also be realized by way of PC networking controls, and all control teletransmissions are arrived PC and then control hardware.
A kind of grain drying machine control method, comprises the following steps:
S1:Dehydrator works, and obtains grain moisture value, and detected value and setting value is compared, if continuous 3 times oneself The value of dynamic measurement is less than or equal to setting value, and Moisture Meter can stop detecting, touch screen ejects " moisture has arrived drying to be terminated ".
S2:Enter grain status display, point touching screen homepage enter grain status keys, click on and open button into grain,
Elevator starts, gate opening, and air exhauster, dust removal machine and air-lock can be manually separately through by key control start and stop.
S3:Drying regime shows, the drying regime button in point touching screen homepage, enters drying regime interface, initially Interface acquiescence air exhauster, dedusting fan and dial grain wheel speed be auto state, click on be dried open button, elevator, under stir Dragon, rice shifter, air exhauster, dedusting fan, oil-burning machine etc. start successively, air-lock hand switch.
S4:Put grain status display, dotted state button, enter and put grain state interface, click on and put grain unlatching button, elevator, Under hit and put grain screw feeder, rice shifter sequence starting in touch screen homepage, air exhauster and dust removal machine can be manually separately through by keyings Start and stop processed, click on and dial grain manual key, dial grain wheel speed and adjust manually.
S5:Manual mode button in point touching screen homepage, enters manual mode interface, elevator, lower screw feeder, convulsion Machine, dedusting fan, rice shifter all can manually opened with close, the speed of rice shifter is passed through can adjust manually with low speed at a high speed.
Also include dehydrator, described dehydrator is provided with the device described in dryer system control method.
The invention has the advantages that：Solve the deficiency that original button indicating lamp type mode of operation is brought, Mechanical wear and electric arc burn can be produced, wiring is also many, reliability, the problem of maintainability difference more than button indicating lamp.By people Machine interface very easily can be entered row information and exchange with drying plant, reduce the use of other components and parts, make system more stable Reliable.
1st, enter grain：Control elevator, air exhauster, dedusting fan delayed startup successively, the start-up study time can be according to demand Adjustment.When full grain or when clicking on into grain closing control, dedusting fan, air exhauster, elevator stop successively.
2nd, put grain：Elevator, lower screw feeder, group grain wheel, air exhauster, dedusting fan is controlled to start successively, the start-up study time Can adjust according to demand.Each motor stopping order contrast during stopping.
3rd, it is dried：Elevator, lower screw feeder, group grain wheel, air exhauster, dedusting fan, oil burner is controlled to start successively, startup is prolonged When the time can adjust according to demand.Each motor stopping order contrast when stopping or drying complete.
Brief description
Below in conjunction with the accompanying drawings preferably explanation is made to the present invention：
Fig. 1 is present system structural representation；
Fig. 2 controls workflow schematic diagram for control system of the present invention；
Fig. 3 powers distribution diagram for present system；
Fig. 4 is present system PLC wiring diagram；
Fig. 5 is terminal connection diagram of the present invention.
Specific embodiment
As shown in figure 1, being grain drying machine control system of the present invention, including input protection module, PLC and control Output module, control system also includes Moisture Meter and analog module, and analog module is connected with PLC, by Moisture Meter Detection information is transmitted to analog module, then analog signalses are gathered to PLC, control system also includes touching Screen, touch screen is connected with PLC and interactive information.Preferably, test system also includes serial communication interface, serial communication Interface respectively with relay matrix unit, MCU, product to be measured, calculate mechatronics, facilitate the renewal of control program, and make Relay matrix unit and computer real-time communication.
Control system also includes system control cabinet, and system control cabinet includes erecting bay for electric apparatus and cabinet side,
Four row arrangement components and parts are electrically divided on mounting base, the first row is provided with PLC and its expansion module, two The controlling switch of minor loop, standby socket, components and parts insurance and power switch power supply；Second row is disposed with total input-wire electric leakage Protection switch and the controlling switch of each motor；The third line is provided with the A.C. contactor controlling each motor and the heat for electric motor protecting Overload protective device；Last column is to external wiring terminal, is sequentially provided with total input-wire terminal, motor power terminal and signal end Son.
Cabinet side is provided with operation touch-screen, status indicator lamp, start-stop button and DTU module.
Touch screen is connected by a communication interface with PLC.
Interface is RS485 interface, it is possible to achieve network savvy.
System can also be realized by way of PC networking controls, and all control teletransmissions to PC and then are controlled hard Part.
Also include dehydrator, dehydrator is provided with the device of dryer system control method.
As in Figure 3-5, it is control system circuit figure,
Major loop is analyzed：
The electric power incoming line of major loop is from the beginning of main input terminal U, V, W, N, is the 380V voltage of three-phase four-wire system.Power supply Through terminal to earth leakage protective device (QF1) upper end, push to earth leakage protective device (QF1), the lower end through earth leakage protective device (QF1) for the power supply is arrived Air-break (QF2) upper end, then will be short for the upper end of the other three air-break (respectively QF3, QF4, QF5) with bus-bar Connect.Push to four air-breaks (QF2, QF3, QF4, QF5), power supply is through air-break (QF2, QF3, QF4, QF5) lower end Upper end to catalyst (KM1, KM2, KM3, KM4, KM5, KM6).After catalyst adhesive, power supply through catalyst (KM1, KM2, KM3, KM4, KM5, KM6) lower end to hot protective relay (FR1, FR2, FR3, FR4, FR5, FR6).Power supply is again through Thermal protection Relay (FR1, FR2, FR3, FR4, FR5, FR6) arrives terminal, and terminal is powered to motor again.
Control loop is analyzed：
The power supply of control loop is single-phase 220V electricity, is made up of terminal U and N, is controlled logical by control loop air switch QF0 Disconnected, air switch lower port goes out four lines, is that power supply insures through three on four insurances (FU1, FU2, FU3, FU4) respectively (FU1, FU2, FU3) arrives the main normally opened contact (1L1,3L2,5L3) of catalyst (KM6), the main normally opened contact of catalyst (KM6) (2T1,4T2,6T3) goes out four lines, and wherein 2T1 goes out single line (1001) and powers to Switching Power Supply, Switching Power Supply obtain electric after, will hand over Stream 220V voltage commutation is filtered into direct current 24V and powers to touch screen (HMI) and DTU module；4T2 goes out single line (1002) to PLC Power supply, meets the L1 on PLC；6T3 goes out both threads (1003), powers to Moisture Meter for one, another as stand-by power supply.
Insurance FU4 goes out single line to the upper contact of stop button.The normally-closed contact through stop button for the power supply is to start button Power with the normally-closed contact (21,22) of catalyst (KM6), stop button display lamp (HL2) is bright；After pressing start button, power supply Activated button to the loop A 1 of catalyst (KM6), the loop A 1 of catalyst (KM7) electric, catalyst (KM6) adhesive, start Button indicating lamp (HL1) must be electric bright, and stop button display lamp (HL2) dead electricity does not work, simultaneously the normally opened contact of catalyst (KM6) (13,14) adhesive self-locking.As shown in Fig. 2 controlling workflow for control system
S1:System electrification, stops display lamp and lights, press switch board start button, start indicator lamp lights, stop instruction Lamp extinguishes, touch screen display start homepage.
S2:Set of time, the set of time button in point touching screen homepage, entry time arranges interface, and here is permissible The startup changing each motor stops delay time setting value, has default value under the state of system default.
S3:Moisture Meter is arranged, the Moisture Meter button in point touching screen homepage, enters Moisture Meter interface, carries out machine first In free surface moisture instrument and machine, Moisture Meter selects, and stop condition when manually opened is to roll 100 corn, or a period of time does not have Corn is detected, or when corn is not enough, auto state is water content detection run before to be dried as system, is setting product Kind and after stopping moisture, start automatic measurement, Moisture Meter i.e. can timing automatic measurement moisture, and detected value and setting value are done Relatively, if the value of continuous 3 automatic measurements is less than or equal to setting value, Moisture Meter can stop detecting, " moisture is for touch screen ejection Terminate to drying ", kind feeds back the kind that the actual Moisture Meter of digitized representation of back returns, and the data after object feedback represents real The moisture setting value that border Moisture Meter returns.
S4:Enter grain status display, point touching screen homepage enters grain status keys, enter and click on into grain into grain state circle Open button, elevator starts, gate opening, and air exhauster, dust removal machine and air-lock can be manually separately through by key control start and stop.
S5:Drying regime shows, the drying regime button in point touching screen homepage, enters drying regime interface, initially Interface acquiescence air exhauster, dedusting fan and dial grain wheel speed be auto state, click on be dried open button, elevator, under stir Dragon, rice shifter, air exhauster, dedusting fan, oil-burning machine etc. start successively, air-lock hand switch.
S6:Put grain status display, dotted state button, enter and put grain state interface, click on and put grain unlatching button, elevator, Under hit and put grain screw feeder, rice shifter sequence starting in touch screen homepage, air exhauster and dust removal machine can be manually separately through by keyings Start and stop processed, click on and dial grain manual key, dial grain wheel speed and adjust manually.
S6:Manual mode button in point touching screen homepage, enters manual mode interface, elevator, lower screw feeder, convulsion Machine, dedusting fan, rice shifter all can manually opened with close, the speed of rice shifter is passed through can adjust manually with low speed at a high speed.
The present invention solves the deficiency that original button indicating lamp type mode of operation is brought, and can produce more than button indicating lamp Mechanical wear and electric arc burn, wiring is also many, reliability, the problem of maintainability difference.Can be very easily by man machine interface Enter row information with drying plant to exchange, reduce the use of other components and parts, make system more reliable and more stable.
These are only the specific embodiment of the present invention, but the technical characteristic of the present invention is not limited thereto.Any with this Based on bright, for solving essentially identical technical problem, realize essentially identical technique effect, done simple change, etc. With replacement or modification etc., all it is covered by among protection scope of the present invention.

Claims (7)

1. grain drying machine control system it is characterised in that：Including input protection module, PLC and control output module, Described control system also includes Moisture Meter and analog module, and described analog module is connected with described PLC, by moisture Instrument transmits detection information to analog module, then analog signalses are gathered to PLC, and described control system also includes Touch screen, described touch screen is connected with described PLC and interactive information.
2. grain drying machine control system according to claim 1 it is characterised in that：Described control system also includes system Switch board, described system control cabinet includes erecting bay for electric apparatus and cabinet side,
Four row arrangement components and parts are electrically divided on mounting base, the first row is provided with PLC and its expansion module, secondary returning The controlling switch on road, standby socket, components and parts insurance and power switch power supply；Second row is disposed with total input-wire earth leakage protective Switch and the controlling switch of each motor；The third line is provided with the A.C. contactor controlling each motor and the thermal overload for electric motor protecting Protector；Last column is to external wiring terminal, is sequentially provided with total input-wire terminal, motor power terminal and signal terminal.
Cabinet side is provided with operation touch-screen, status indicator lamp, start-stop button and DTU module.
3. grain drying machine control system according to claim 1 it is characterised in that：Described touch screen and described PLC control Device processed passes through a communication interface and connects.
4. grain drying machine control system according to claim 3 it is characterised in that：Described interface is RS485 interface.
5. grain drying machine control system according to claim 1 it is characterised in that：Described system can also pass through PC The mode that networking controls is realized, and all control teletransmissions to PC and then are controlled hardware.
6. grain drying machine control method described in 1 is wanted according to right it is characterised in that：Comprise the following steps,
S1:Dehydrator works, and obtains grain moisture value, and detected value and setting value are compared, if continuous 3 times are surveyed automatically The value of amount is less than or equal to setting value, and Moisture Meter can stop detecting.
S2:Enter grain status display, point touching screen homepage enters grain status keys, click on and open button into grain, elevator opens Dynamic, gate opening, air exhauster, dust removal machine and air-lock can be manually separately through by key control start and stop.
S3:Drying regime shows, the drying regime button in point touching screen homepage, enters drying regime interface, initial interface Acquiescence air exhauster, dedusting fan and dial grain wheel speed be auto state, click on be dried open button, elevator, lower screw feeder, dial Grain machine, air exhauster, dedusting fan, oil-burning machine etc. start successively, air-lock hand switch.
S4:Put grain status display, dotted state button, enter and put grain state interface, click on and put grain and open button, elevator, under hit Grain screw feeder, rice shifter sequence starting is put, air exhauster and dust removal machine can open separately through by key control manually in touch screen homepage Stop, click on and dial grain manual key, dial grain wheel speed and adjust manually.
S5:Manual mode button in point touching screen homepage, entrance manual mode interface, elevator, lower screw feeder, air exhauster, Dedusting fan, rice shifter all can manually opened with close, the speed of rice shifter is passed through can adjust manually with low speed at a high speed.
7. grain drying machine control method described in 1 is wanted according to right it is characterised in that：Also include dehydrator, described dehydrator It is provided with the device described in dryer system control method.
CN201610995503.6A 2016-11-10 2016-11-10 Grain-drying machine control system and control method Active CN106482503B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107120959A (en) * 2017-05-16 2017-09-01 安徽辰宇机械科技有限公司 A kind of control method and device of material drier
CN107467181A (en) * 2017-09-21 2017-12-15 安徽博微长安电子有限公司 A kind of foodstuff drying device intelligent control method and grain intelligence furnace drying method
CN113552837A (en) * 2021-07-26 2021-10-26 中冶华天南京工程技术有限公司 Flow control method for intelligent stock ground
CN115111906A (en) * 2022-06-16 2022-09-27 山东凯斯达机械制造有限公司 Cloud service-based intelligent grain drying system and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07280445A (en) * 1994-04-08 1995-10-27 Yamamoto Mfg Co Ltd Failure diagnosing device of grain dryer
CN102749876A (en) * 2011-04-21 2012-10-24 江苏天禹农业机械有限公司 Controller special for two-section fire grain drier with multi-protection function
CN104049623A (en) * 2014-07-07 2014-09-17 金陵科技学院 Real-time remote grain dryer unit monitoring and managing system based on Internet of Things
US20160183548A1 (en) * 2014-12-29 2016-06-30 IntelliFarms, LLC Grain management based on nutrient characteristics

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07280445A (en) * 1994-04-08 1995-10-27 Yamamoto Mfg Co Ltd Failure diagnosing device of grain dryer
CN102749876A (en) * 2011-04-21 2012-10-24 江苏天禹农业机械有限公司 Controller special for two-section fire grain drier with multi-protection function
CN104049623A (en) * 2014-07-07 2014-09-17 金陵科技学院 Real-time remote grain dryer unit monitoring and managing system based on Internet of Things
US20160183548A1 (en) * 2014-12-29 2016-06-30 IntelliFarms, LLC Grain management based on nutrient characteristics

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107120959A (en) * 2017-05-16 2017-09-01 安徽辰宇机械科技有限公司 A kind of control method and device of material drier
CN107467181A (en) * 2017-09-21 2017-12-15 安徽博微长安电子有限公司 A kind of foodstuff drying device intelligent control method and grain intelligence furnace drying method
CN113552837A (en) * 2021-07-26 2021-10-26 中冶华天南京工程技术有限公司 Flow control method for intelligent stock ground
CN113552837B (en) * 2021-07-26 2022-11-01 中冶华天南京工程技术有限公司 Flow control method for intelligent stock ground
CN115111906A (en) * 2022-06-16 2022-09-27 山东凯斯达机械制造有限公司 Cloud service-based intelligent grain drying system and method
CN115111906B (en) * 2022-06-16 2023-09-22 山东凯斯达机械制造有限公司 Cloud service-based intelligent grain drying system and method

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