CN103760312A - High-efficiency online drying system for grain moisture - Google Patents
High-efficiency online drying system for grain moisture Download PDFInfo
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- CN103760312A CN103760312A CN201410041447.3A CN201410041447A CN103760312A CN 103760312 A CN103760312 A CN 103760312A CN 201410041447 A CN201410041447 A CN 201410041447A CN 103760312 A CN103760312 A CN 103760312A
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Abstract
The invention discloses a high-efficiency online drying system for grain moisture, and relates to the technical field of drying equipment. The high-efficiency online drying system for the grain moisture comprises a power supply control unit (110), a touch screen display control unit (120), a PLC (Programmable Logic Controller) data control unit (130) and a grain moisture detecting unit (140), wherein the PLC data control unit (130) is respectively interconnected with the touch screen display control unit (120), the power supply control unit (110) and the grain moisture detecting unit (140). On the basis of the resistance moisture detecting method, the high-efficiency online drying system for the grain moisture applies the nonlinear processing capacity of an RBF (Radial Basis Function) neutral network algorithm to fuse the measured data, and can automatically implement various corrections and error compensations for the measured value, so that the reliability and measurement precision of the grain moisture detecting system are improved; meanwhile, a real-time control system based on a PLC and matched with grain drying equipment is independently researched and developed to realize the functions of automatic control, online display, fault alarming and grain moisture detection in the grain drying process.
Description
Technical field:
The present invention relates to the drying plant technical field of grain, be specifically related to a kind of efficient grain moisture on-line drying system.
Background technology:
Grain measurement of moisture content to the purchase of grain, transportation, storage, processing trade all tool be of great significance.The too high waste transport power of moisture and capacity, impel grain vital movement vigorous, easily causes that grain generates heat, goes mouldy, infested and other biochemical variation.And grain moisture content is too low, reduced grain weight, can affect grain quality.Therefore, moisture is an important quality index of grain always, and accurately detecting Measurement for Grain Moisture Content becomes an important topic.
The water content detection technology of grain is divided into direct method and indirect method generally.Direct method is directly to remove the moisture in grain by dry or chemical method, detects the absolute water content of sample.Direct method detects moisture, and accuracy of detection is high, is applicable to laboratory and detects, and shortcoming is that the time of detecting is longer, cannot realize fast, detect online, thereby be difficult to meet the requirement of modern production to speed and serialization.Indirect method is by detecting the physical quantity relevant with moisture, mainly comprising resistance determination of moisture, nuclear magnetic resonance method, electric capacity determination of moisture, infrared type determination of moisture etc.
Traditional grain moisture content on-line measuring device mainly utilizes indirect method as resistance determination of moisture, electric capacity determination of moisture etc., in conjunction with the sensor unit of anti-block apparatus, signal transmitting device, with formations such as frequency/voltage change-over circuit, multiple signals change-over circuit, multichannel gain adjusting circuit, main frame, printer, signal cables, online, real-time, synchronous, multiple spot water content detection in grain heat-drying process have tentatively been realized simultaneously.
By analysis, measurement and demonstration that traditional grain moisture content detection device can only be simple, do not form real-time, the on-line control system supporting with grain drying device, cannot realize the automatic control in Grain Drying Process, reduces drying efficiency, causes energy dissipation.
Summary of the invention:
The object of this invention is to provide a kind of efficient grain moisture on-line drying system, it is on the basis of resistance moisture detecting method, use the Nonlinear Processing ability of RBF neural network algorithm to merge measurement data, can automatically to measured value, carry out various corrections and error compensation, thereby reliability and the measuring accuracy of grain measurement of moisture content system have been improved, simultaneously independent research, based on the supporting real-time control system of PLC and grain drying device, has realized the automatic control in Grain Drying Process, demonstration online, fault alarm and grain measurement of moisture content function.
In order to solve the existing problem of background technology, the present invention is by the following technical solutions: it comprises power control unit 110, touch-screen indicative control unit 120, plc data control module 130 and grain measurement of moisture content unit 140, plc data control module 130 respectively with touch-screen indicative control unit 120, power control unit 110 and grain measurement of moisture content unit 140 interconnect.
Described power control unit 110 comprises button start and stop module 1102 and power transfer module 1101, and button start and stop module 1102 interconnects with power transfer module 1101.
Described touch-screen indicative control unit 120 is mainly comprised of touch-screen display section 121 and touch-screen control section 122, touch-screen control section 122 is by measuring moisture value button 1221 to arranging, arrange and measure grain number button 1222, the operation of measuring kind button 1223 and setting mode of operation button 1224 is set, realization is to measuring moisture value, measure grain number, measure the setting of kind and mode of operation, after setting these parameters, by plc data control module 130, control and issue, equally, touch-screen display section is by reading Real-time Water score value display screen 1211, read actual grain and count display screen 1212, read temperature value display screen 1213 and read work pattern display screen 1214 by the moisture value recording, actual grain number, temperature value and mode of operation show in real time, realize friendly man-machine interaction.
Described grain measurement of moisture content unit 140 comprises sensor device 1401, data communication module 1402, single chip processing module 1403 and data fusion module 1404, and sensor device 1401, data communication module 1402, single chip processing module 1403 interconnect with data fusion module 1404.
Described sensor device 1401 is mainly comprised of moisture sensing device and temperature sensor, the signal that sensor device 1401 senses is passed to temperature-control circuit 1406 by temperature acquisition terminal 1405, by single chip processing module 1403 processing signals, amplifying circuit 1407 is realized Dynamic Signal Real-time Collection, amplifying circuit 1407 one end and cereal signals collecting terminal 1408, single chip processing module 1403 is by interference and noise in pre-service filtering data procedures, to obtain useful signal, pretreated useful signal is through feature extraction, and a certain characteristic quantity is carried out to fusion calculation by data fusion module 1404, fusion results is uploaded to plc data control module 130 by communication terminal 1409, and will do further data analysis and grain measurement of moisture content processing.
The present invention has following beneficial effect: it is on the basis of resistance moisture detecting method, use the Nonlinear Processing ability of RBF neural network algorithm to merge measurement data, can automatically to measured value, carry out various corrections and error compensation, thereby reliability and the measuring accuracy of grain measurement of moisture content system have been improved, simultaneously independent research, based on the supporting real-time control system of PLC and grain drying device, has realized the automatic control in Grain Drying Process, demonstration online, fault alarm and grain measurement of moisture content function.
Accompanying drawing explanation:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the schematic diagram of touch screen display unit of the present invention;
Tu3Wei China Oil and Food Import and Export Corporation of the present invention drinking water divides the detailed structure schematic diagram of detecting unit;
Fig. 4 is workflow structural representation of the present invention.
Embodiment:
With reference to Fig. 1-4, this embodiment is taked following technical scheme: it comprises power control unit 110, touch-screen indicative control unit 120, plc data control module 130 and grain measurement of moisture content unit 140, plc data control module 130 respectively with touch-screen indicative control unit 120, power control unit 110 and grain measurement of moisture content unit 140 interconnect.
Described power control unit 110 comprises button start and stop module 1102 and power transfer module 1101, and button start and stop module 1102 interconnects with power transfer module 1101.
Described touch-screen indicative control unit 120 is mainly comprised of touch-screen display section 121 and touch-screen control section 122, touch-screen control section 122 is by measuring moisture value button 1221 to arranging, arrange and measure grain number button 1222, the operation of measuring kind button 1223 and setting mode of operation button 1224 is set, realization is to measuring moisture value, measure grain number, measure the setting of kind and mode of operation, after setting these parameters, by plc data control module 130, control and issue, equally, touch-screen display section is by reading Real-time Water score value display screen 1211, read actual grain and count display screen 1212, read temperature value display screen 1213 and read work pattern display screen 1214 by the moisture value recording, actual grain number, temperature value and mode of operation show in real time, realize friendly man-machine interaction.
Described grain measurement of moisture content unit 140 comprises sensor device 1401, data communication module 1402, single chip processing module 1403 and data fusion module 1404, and sensor device 1401, data communication module 1402, single chip processing module 1403 interconnect with data fusion module 1404.
Described sensor device 1401 is mainly comprised of moisture sensing device and temperature sensor, the signal that sensor device 1401 senses is passed to temperature-control circuit 1406 by temperature acquisition terminal 1405, by single chip processing module 1403 processing signals, amplifying circuit 1407 is realized Dynamic Signal Real-time Collection, amplifying circuit 1407 one end and cereal signals collecting terminal 1408, single chip processing module 1403 is by interference and noise in pre-service filtering data procedures, to obtain useful signal, pretreated useful signal is through feature extraction, and a certain characteristic quantity is carried out to fusion calculation by data fusion module 1404, fusion results is uploaded to plc data control module 130 by communication terminal 1409, and will do further data analysis and grain measurement of moisture content processing.
This embodiment has following beneficial effect: it is on the basis of resistance moisture detecting method, use the Nonlinear Processing ability of RBF neural network algorithm to merge measurement data, can automatically to measured value, carry out various corrections and error compensation, thereby reliability and the measuring accuracy of grain measurement of moisture content system have been improved, simultaneously independent research, based on the supporting real-time control system of PLC and grain drying device, has realized the automatic control in Grain Drying Process, demonstration online, fault alarm and grain measurement of moisture content function.
Claims (5)
1. an efficient grain moisture on-line drying system, it is characterized in that it comprises power control unit (110), touch-screen indicative control unit (120), plc data control module (130) and grain measurement of moisture content unit (140), plc data control module (130) respectively with touch-screen indicative control unit (120), power control unit (110) and grain measurement of moisture content unit (140) interconnect.
2. a kind of efficient grain moisture on-line drying system according to claim 1, it is characterized in that described power control unit (110) comprises button start and stop module (1102) and power transfer module (1101), button start and stop module (1102) interconnects with power transfer module (1101).
3. a kind of efficient grain moisture on-line drying system according to claim 1, it is characterized in that described touch-screen indicative control unit (120) is mainly comprised of touch-screen display section (121) and touch-screen control section (122), touch-screen control section (122) is by measuring moisture value button (1221) to arranging, arrange and measure grain number button (1222), the operation of measuring kind button (1223) and setting mode of operation button (1224) is set, realization is to measuring moisture value, measure grain number, measure the setting of kind and mode of operation, after setting these parameters, by plc data control module (130), control and issue, equally, touch-screen display section is by reading Real-time Water score value display screen (1211), read actual grain and count display screen (1212), read temperature value display screen (1213) and read work pattern display screen (1214) by the moisture value recording, actual grain number, temperature value and mode of operation show in real time, realize friendly man-machine interaction.
4. a kind of efficient grain moisture on-line drying system according to claim 1, it is characterized in that described grain measurement of moisture content unit (140) comprises sensor device (1401), data communication module (1402), single chip processing module (1403) and data fusion module (1404), sensor device (1401), data communication module (1402), single chip processing module (1403) interconnect with data fusion module (1404).
5. a kind of efficient grain moisture on-line drying system according to claim 1, it is characterized in that described sensor device (1401) is mainly comprised of moisture sensing device and temperature sensor, the signal that sensor device (1401) senses is passed to temperature-control circuit (1406) by temperature acquisition terminal (1405), by single chip processing module (1403) processing signals, amplifying circuit (1407) is realized Dynamic Signal Real-time Collection, amplifying circuit (1407) one end and cereal signals collecting terminal (1408), single chip processing module (1403) is by interference and noise in pre-service filtering data procedures, to obtain useful signal, pretreated useful signal is through feature extraction, and a certain characteristic quantity is carried out to fusion calculation by data fusion module (1404), fusion results is uploaded to plc data control module (130) by communication terminal (1409), and will do further data analysis and grain measurement of moisture content processing.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104430839A (en) * | 2014-10-28 | 2015-03-25 | 湖北永祥粮食机械股份有限公司 | Grain drying machine and control method thereof |
| CN104713910A (en) * | 2015-02-17 | 2015-06-17 | 合肥艾瑞德电气有限公司 | Resistive grain moisture measurement system |
| CN104713918A (en) * | 2015-02-17 | 2015-06-17 | 合肥艾瑞德电气有限公司 | Cereal moisture detection method |
| CN106094678A (en) * | 2016-06-20 | 2016-11-09 | 河南皓佳农业开发有限公司 | A kind of intelligence corn production automation monitoring system |
| CN106125660A (en) * | 2016-06-28 | 2016-11-16 | 黑龙江北谷创新科技发展有限公司 | The control system of grain heat-drying and drying control method thereof |
| CN106227038A (en) * | 2016-07-29 | 2016-12-14 | 中国人民解放军信息工程大学 | Grain drying tower intelligent control method based on neutral net and fuzzy control |
| CN106932546A (en) * | 2017-03-02 | 2017-07-07 | 安徽广深机电设备有限公司 | The paddy MOISTURE MEASUREMENT SYSTEM and detection method of a kind of crop dryer |
| CN107219263A (en) * | 2017-05-31 | 2017-09-29 | 合肥艾瑞德电气有限公司 | One kind of multiple class cereal pattern moisture analysers and moisture measuring method |
| CN107219262A (en) * | 2017-05-31 | 2017-09-29 | 合肥艾瑞德电气有限公司 | A kind of moisture Acquisition Circuit of resistance-type moisture analyser |
| CN110568134A (en) * | 2019-09-09 | 2019-12-13 | 深圳冠亚水分仪科技有限公司 | Moisture meter sensor and working method |
| CN111766910A (en) * | 2020-07-06 | 2020-10-13 | 江苏丰尚智能科技有限公司 | Dryer control method and system based on artificial intelligence |
| CN112827779A (en) * | 2020-12-31 | 2021-05-25 | 广州钰铂机械设备制造有限公司 | Quick drying system is repaired to local car lacquer of bus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104430839A (en) * | 2014-10-28 | 2015-03-25 | 湖北永祥粮食机械股份有限公司 | Grain drying machine and control method thereof |
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| CN106094678A (en) * | 2016-06-20 | 2016-11-09 | 河南皓佳农业开发有限公司 | A kind of intelligence corn production automation monitoring system |
| CN106125660A (en) * | 2016-06-28 | 2016-11-16 | 黑龙江北谷创新科技发展有限公司 | The control system of grain heat-drying and drying control method thereof |
| CN106227038A (en) * | 2016-07-29 | 2016-12-14 | 中国人民解放军信息工程大学 | Grain drying tower intelligent control method based on neutral net and fuzzy control |
| CN106932546A (en) * | 2017-03-02 | 2017-07-07 | 安徽广深机电设备有限公司 | The paddy MOISTURE MEASUREMENT SYSTEM and detection method of a kind of crop dryer |
| CN107219263A (en) * | 2017-05-31 | 2017-09-29 | 合肥艾瑞德电气有限公司 | One kind of multiple class cereal pattern moisture analysers and moisture measuring method |
| CN107219262A (en) * | 2017-05-31 | 2017-09-29 | 合肥艾瑞德电气有限公司 | A kind of moisture Acquisition Circuit of resistance-type moisture analyser |
| CN110568134A (en) * | 2019-09-09 | 2019-12-13 | 深圳冠亚水分仪科技有限公司 | Moisture meter sensor and working method |
| CN111766910A (en) * | 2020-07-06 | 2020-10-13 | 江苏丰尚智能科技有限公司 | Dryer control method and system based on artificial intelligence |
| CN112827779A (en) * | 2020-12-31 | 2021-05-25 | 广州钰铂机械设备制造有限公司 | Quick drying system is repaired to local car lacquer of bus |
| CN112827779B (en) * | 2020-12-31 | 2021-09-10 | 广州钰铂机械设备制造有限公司 | Quick drying system is repaired to local car lacquer of bus |
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Application publication date: 20140430 |