CN109479534B - Automatic granary based on sensing technology - Google Patents

Automatic granary based on sensing technology Download PDF

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Publication number
CN109479534B
CN109479534B CN201811316530.1A CN201811316530A CN109479534B CN 109479534 B CN109479534 B CN 109479534B CN 201811316530 A CN201811316530 A CN 201811316530A CN 109479534 B CN109479534 B CN 109479534B
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grain
bin body
air
drying
pipeline
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CN109479534A (en
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陈建波
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Foshan Guangke Industrial Technology Research Institute Co ltd
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Foshan Guangke Industrial Technology Research Institute Co ltd
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01FPROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F25/00Storing agricultural or horticultural produce; Hanging-up harvested fruit
    • A01F25/14Containers specially adapted for storing
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01FPROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F25/00Storing agricultural or horticultural produce; Hanging-up harvested fruit
    • A01F25/16Arrangements in forage silos
    • A01F25/163Arrangements in forage silos in tower silos
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01FPROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F25/00Storing agricultural or horticultural produce; Hanging-up harvested fruit
    • A01F25/16Arrangements in forage silos
    • A01F25/18Loading or distributing arrangements
    • A01F25/183Loading arrangements
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01FPROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F25/00Storing agricultural or horticultural produce; Hanging-up harvested fruit
    • A01F25/16Arrangements in forage silos
    • A01F25/20Unloading arrangements
    • A01F25/2018Bottom unloading units for tower silos
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01FPROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F25/00Storing agricultural or horticultural produce; Hanging-up harvested fruit
    • A01F25/16Arrangements in forage silos
    • A01F25/22Ventilating arrangements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/51Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for storing agricultural or horticultural products

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Drying Of Solid Materials (AREA)
  • Storage Of Harvested Produce (AREA)

Abstract

The invention provides an automatic grain storage bin based on a sensing technology, which comprises a bin body, a bin body base, a drying and ventilating unit, a turning and grain conveying unit and a monitoring and controlling unit, the bottom of the inner side of the bin body is a funnel-shaped groove, the bin body base is arranged at the bottom of the bin body, the drying and ventilating unit is arranged at the top of the bin body, used for drying and ventilating the air in the bin body, the turning grain conveying unit is arranged on the outer side wall of the bin body and communicated with the lower part of the funnel-shaped groove at the bottom of the inner side of the bin body, the monitoring and controlling unit is respectively in communication connection with the drying and ventilating unit and the grain conveying unit by turning over or sucking out grains deeply, the monitoring and controlling unit is arranged on a base of the bin body, the device is used for monitoring the temperature and humidity in the bin body and the grain storage allowance, controlling the drying and air exchange unit to perform drying and air exchange or controlling the turning and grain conveying unit to perform deep grain turning or sucking grain and feeding. The unattended granary provided by the invention has the advantages of remote control and intelligent management.

Description

Automatic granary based on sensing technology
Technical Field
The invention relates to the field of grain storage equipment, in particular to an automatic grain storage bin based on a sensing technology.
Background
As a big agricultural country, China generally has low technical content in domestic grain storage silos at present, needs manual management or guard, needs manual operation for deep turning and ventilation, and cannot achieve the best silo turning effect by auger extraction in the traditional silo turning mode. The storage condition in the granary cannot be known in real time, deep turning or ventilation can be performed only through open-bin observation or experience, however, the grains of different types and batches are different in drying degree and storage condition, and misjudgment is easy to occur according to experience or observation on the surface of a grain pile, so that loss of the grains caused by improper storage occurs.
Disclosure of Invention
Based on the problems of the prior art, the invention provides an automatic granary based on a sensing technology, which comprises a bin body, a bin body base, a drying and ventilating unit, a turning and grain conveying unit and a monitoring and controlling unit, the bottom of the inner side of the bin body is a funnel-shaped groove, the bin body base is arranged at the bottom of the bin body, the drying and ventilating unit is arranged at the top of the bin body, used for drying and ventilating the air in the bin body, the turning grain conveying unit is arranged on the outer side wall of the bin body and communicated with the lower part of the funnel-shaped groove at the bottom of the inner side of the bin body, the monitoring and controlling unit is respectively in communication connection with the drying and ventilating unit and the grain conveying unit by turning over or sucking out grains deeply, the monitoring and controlling unit is arranged on a base of the bin body, the device is used for monitoring the temperature and humidity in the bin body and the grain storage allowance, controlling the drying and air exchange unit to perform drying and air exchange or controlling the turning and grain conveying unit to perform deep grain turning or sucking grain and feeding. The unattended granary provided by the invention has the advantages of remote control, intelligent management and better drying and air exchange effects by turning over the granary.
The invention achieves the aim through the following detailed technical scheme:
an automatic grain storage bin based on sensing technology comprises a bin body, a bin body base, a drying and ventilating unit, a turning and grain conveying unit and a monitoring and controlling unit, the bottom of the inner side of the bin body is a funnel-shaped groove, the bin body base is arranged at the bottom of the bin body, the drying and ventilating unit is arranged at the top of the bin body, used for drying and ventilating the air in the bin body, the turning grain conveying unit is arranged on the outer side wall of the bin body and communicated with the lower part of the funnel-shaped groove at the bottom of the inner side of the bin body, the monitoring and controlling unit is respectively in communication connection with the drying and ventilating unit and the grain conveying unit by turning over or sucking out grains deeply, the monitoring and controlling unit is arranged on a base of the bin body, the device is used for monitoring the temperature and humidity in the bin body and the grain storage allowance, controlling the drying and air exchange unit to perform drying and air exchange or controlling the turning and grain conveying unit to perform deep grain turning or sucking grain and feeding.
The granary body further comprises a granary inlet, a granary outlet, an air inlet and an air outlet, wherein the air inlet and the air outlet are respectively arranged on two sides of the top of the granary body; the drying and air exchanging unit comprises a fan, an air inlet pipeline, an air conveying pipeline, an air drying filter and a normally closed electromagnetic valve, wherein the air inlet pipeline and the air conveying pipeline are respectively connected with an air inlet and an air outlet of the fan, the other end of the air inlet pipeline is exposed outside the bin body, the air drying filter is arranged in the air inlet pipeline and close to one end of the fan, the normally closed electromagnetic valve A is arranged at the other end in the air inlet pipeline, the other end of the air conveying pipeline is connected with an air inlet of the bin body, and the air outlet of the bin body is provided with a normally; the grain conveying unit comprises a grain absorber, a grain absorbing pipeline in the bin, a grain absorbing pipeline outside the bin, a grain returning pipeline in the bin, a grain outlet pipeline, an electric control three-way switching valve and a normally closed electromagnetic valve, wherein the grain absorber is arranged on the outer side of the bin body; the monitoring control unit comprises a controller, a temperature and humidity sensor array, a pressure sensor array, a wireless communication transmission module and a portable control terminal, the controller is respectively in communication connection with the fan, the grain elevator, the normally closed electromagnetic valve A, the normally closed electromagnetic valve B, the normally closed electromagnetic valve C, the electric control three-way switching valve A, the electric control three-way switching valve B, the temperature and humidity sensor array, the pressure sensor array and the wireless communication transmission module, the portable control terminal is in communication connection with the controller through a wireless communication transmission module, the controller and the wireless communication transmission module are integrated components and are arranged on the bin body base, the temperature and humidity sensor array comprises a plurality of temperature and humidity sensors which are uniformly distributed on the inner side of the bin body in a layered manner, the pressure sensor array comprises a plurality of pressure sensors which are uniformly distributed on the inner side of the bin body in a layered mode.
Wherein, a damp-proof heat-insulating layer is arranged in the wall of the bin body; the drying and air exchanging unit further comprises a refrigerator and an external temperature sensor, the refrigerator and the external temperature sensor are in communication connection with the controller, the refrigerator is arranged on the air conveying pipeline and between the fan and the bin body air inlet, the external temperature sensor is arranged on the outer wall of the air inlet pipeline and between the normally closed electromagnetic valve A and the air drying filter, and the air drying filter is detachable; the electric control three-way switching valve is a Y-shaped electric control three-way switching valve, the connection ends of the electric control three-way switching valve A and the electric control three-way switching valve B and the grain suction machine are non-Y-shaped forked ends, and the fan is a pipeline fan.
The single temperature and humidity sensor and the single pressure sensor are adjacent to each other to form a group, and are uniformly distributed on the inner side of the bin body in a net surrounding manner.
By comparing the pressure values of the sensing nodes of the pressure sensor array on the inner side of the bin body, a user can monitor the height of grain in the bin body in real time through the portable control terminal to know the grain storage allowance; when the controller detects that the temperature or the humidity of the air above the grain pile in the granary reaches a set value through the temperature and humidity sensor array, the controller controls the normally closed electromagnetic valve A, the normally closed electromagnetic valve B and the fan to be opened for drying and ventilation, when the external temperature sensor detects that the temperature of the external air is higher than the set value, the controller controls the refrigerator to be opened to cool the air in the air inlet pipeline, the air outside the granary enters the granary through the bin body air inlet through the normally closed electromagnetic valve A, the air drying filter, the refrigerator and the fan in sequence, and the air in the granary is discharged outside the granary through the bin body air outlet and the normally closed electromagnetic valve B; when the controller detects that the temperature or the humidity inside a grain pile in the granary reaches a set value through the temperature and humidity sensor array, the controller controls the grain suction machine to be started, the electric control three-way switching valve A is switched and communicated with a grain suction pipeline in the granary and the grain suction machine, and the electric control three-way switching valve B is switched and communicated with a turning-over feedback pipeline and the grain suction machine, and grains at the bottom of the granary body are sucked by the grain suction machine and sequentially flow back into the granary body through the grain suction pipeline in the granary, the electric control three-way switching valve A, the grain suction machine, the electric control three-way switching valve B and the turning-over feedback; when grain needs to be fed, the controller controls the normally closed electromagnetic valve C and the grain suction machine to be opened, the electric control three-way switching valve A is switched and communicated with the grain suction pipeline outside the granary and the grain suction machine, and the electric control three-way switching valve B is switched and communicated with the turning back pipeline and the grain suction machine, and the grain flows into the granary body from a granary inlet above the granary body through the grain suction pipeline outside the granary, the electric control three-way switching valve A, the grain suction machine, the electric control three-way switching valve B and the turning back pipeline in sequence due to the suction of the grain suction machine; when grain needs to be discharged, the controller controls the normally closed electromagnetic valve D and the grain suction machine to be opened, the electric control three-way switching valve A is switched and communicated with the grain suction pipeline and the grain suction machine in the barn, and the electric control three-way switching valve B is switched and communicated with the grain discharge pipeline and the grain suction machine, and the grain in the barn flows out of the barn sequentially through the grain suction pipeline in the barn, the electric control three-way switching valve A, the grain suction machine, the electric control three-way switching valve B and the grain discharge pipeline due to suction of the grain suction machine.
The user can set a set value of air temperature and humidity for drying and ventilation and a set value of temperature and humidity in the grain stack for turning over the grain through the portable control terminal, and controls grain feeding and discharging or manually opens the turning over and drying and ventilation.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram showing the operation and communication of the modules in the drying and ventilation process of the present invention.
Fig. 3 is a schematic diagram of operation and communication of modules in the process of implementing the bin turning process.
Fig. 4 is a schematic diagram of operation and communication of modules in the process of grain feeding and discharging.
1. The granary body, 2, the storehouse body base, 3, the grain inlet, 4, the grain outlet, 5, the air inlet, 6, the gas vent, 7, the fan, 8, the air inlet pipeline, 9, the air delivery pipeline, 10, the air drying filter, 11, normal close formula solenoid valve A, 12, normal close formula solenoid valve B, 13, the grain elevator, 14, the interior grain elevator pipeline of storehouse, 15, the exterior grain elevator pipeline of storehouse, 16, the storehouse feedback pipeline that turns over, 17, the grain outlet pipeline, 18, automatically controlled three-way switch valve A, 19, normal close formula solenoid valve C, 20, automatically controlled three-way switch valve B, 21, normal close formula solenoid valve D, 22, the controller, 23, wireless communication transmission module, 24, portable control terminal, 25 temperature and humidity sensor, 26, pressure sensor, 27, dampproofing heat preservation insulating layer, 28, refrigerator, 29, outside temperature sensor.
Detailed Description
The invention is further described with reference to specific examples.
As shown in figure 1, the automatic granary based on sensing technology comprises a granary body 1, a granary body base 2, a drying and ventilating unit, a turning and grain conveying unit and a monitoring and controlling unit, the bottom of the inner side of the bin body 1 is a funnel-shaped groove, the bin body base 2 is arranged at the bottom of the bin body, the drying and air-exchanging unit is arranged at the top of the bin body 1, used for drying and ventilating the air in the bin body 1, the turning grain conveying unit is arranged on the outer side wall of the bin body 1 and communicated with the lower part of a funnel-shaped groove at the bottom of the inner side of the bin body 1, the deep layer for storing grain in the bin body 1 is used for turning over the bin or sucking grain out and feeding grain, the monitoring control unit is respectively in communication connection with the drying and ventilating unit and the bin turning and grain conveying unit, the monitoring control unit is arranged on the base 2 of the bin body, used for monitoring the temperature and humidity in the bin body 1 and the grain storage allowance, controlling the drying and air exchange unit to carry out drying and air exchange or controlling the turning and grain conveying unit to carry out deep grain turning or sucking grain discharge and feeding.
Preferably, the granary body 1 further comprises a granary inlet 3, a granary outlet 4, an air inlet 5 and an air outlet 6, wherein the air inlet 5 and the air outlet 6 are respectively arranged on two sides of the top of the granary body 1, the granary inlet 3 is arranged on the top of the granary body 1, and the granary outlet 4 is arranged at the bottom of a funnel-shaped groove at the bottom of the inner side of the granary body 1; the drying and air exchanging unit comprises a fan 7, an air inlet pipeline 8, an air conveying pipeline 9, an air drying filter 10 and a normally closed electromagnetic valve, wherein the air inlet pipeline 8 and the air conveying pipeline 9 are respectively connected with an air inlet and an air outlet of the fan 7, the other end of the air inlet pipeline 8 is exposed outside the bin body 1, the air drying filter 10 is arranged in the air inlet pipeline 8 and close to one end of the fan 7, a normally closed electromagnetic valve A11 is arranged at the other end in the air inlet pipeline 8, the other end of the air conveying pipeline 9 is connected with an air inlet 5 of the bin body 1, and a normally closed electromagnetic valve B12 is arranged at an air outlet 6 of the; the turning and grain conveying unit comprises a grain suction machine 13, a grain suction pipeline 14 in the bin, a grain suction pipeline 15 outside the bin, a turning and returning pipeline 16, a grain outlet pipeline 17, an electric control three-way switching valve and a normally closed electromagnetic valve, wherein the grain suction machine 13 is arranged outside the bin body 1, the grain suction pipeline 14 in the bin and the grain suction pipeline 15 outside the bin are connected with a grain inlet of the grain suction machine 13 through the electric control three-way switching valve A18, the other end of the grain suction pipeline 14 in the bin is communicated with the lower part of a funnel-shaped groove at the bottom of the inner side of the bin body 1, the other end of the grain suction pipeline 15 outside the bin is provided with the normally closed electromagnetic valve C19, the turning and returning pipeline 16 and the grain outlet pipeline 17 are connected with a grain outlet of the grain suction machine 13 through the electric control three-way switching valve B20, the other end of the turning and returning pipeline 16 is connected with a grain inlet 3 at the; the monitoring control unit comprises a controller 22, a temperature and humidity sensor array, a pressure sensor array, a wireless communication transmission module 23 and a portable control terminal 24, the controller is respectively in communication connection with the fan 7, the grain elevator 13, the normally closed electromagnetic valve A11, the normally closed electromagnetic valve B12, the normally closed electromagnetic valve C19, the electric control three-way switching valve A18, the electric control three-way switching valve B20, the temperature and humidity sensor array, the pressure sensor array and the wireless communication transmission module 23, the portable control terminal 24 is connected with the controller 22 through the wireless communication transmission module 23, the controller 22 and the wireless communication transmission module 23 are integrated components and are arranged on the bin body base 2, the temperature and humidity sensor array comprises a plurality of temperature and humidity sensors 25 which are uniformly distributed on the inner side of the bin body 1 in a layered manner, the pressure sensor array comprises a plurality of pressure sensors 26 which are arranged on the inner side of the bin body 1 in a layered and uniformly dispersed manner.
Preferably, a damp-proof heat-insulating layer 27 is arranged in the bin wall of the bin body 1; the drying and air exchanging unit further comprises a refrigerator 28 and an external temperature sensor 29, the refrigerator 28 and the external temperature sensor 29 are in communication connection with the controller 22, the refrigerator 28 is arranged on the air conveying pipeline 9 and between the fan 7 and the air inlet 5 of the bin body 1, the external temperature sensor 29 is arranged on the outer wall of the air inlet pipeline 8 and between the normally closed electromagnetic valve A11 and the air drying filter 10, and the air drying filter 10 is in a detachable sealing threaded connection structure; the electric control three-way switching valve is a Y-shaped electric control three-way switching valve, the connection ends of the electric control three-way switching valve A18 and the electric control three-way switching valve B20 and the grain elevator 13 are non-Y-shaped forked ends, and the fan 7 is a pipeline fan.
Preferably, the single temperature and humidity sensor 25 and the single pressure sensor 26 are arranged in a group and are evenly distributed on the inner side of the bin body in a net shape in a surrounding way.
When the automatic grain storage bin is used, the grain elevator 13 can be started to suck grains outside the bin through the grain suction pipeline 15 outside the bin and then enter the bin body through the grain inlet 3 for storage, and at the moment, the temperature and humidity sensor 25 and the pressure sensor 26 are started to operate to monitor the storage quantity of the grains in the bin and the ambient temperature and humidity in the bin in real time. When the ambient temperature and humidity in the granary exceed the preset standard ranges, the fan 7 and the refrigerator 28 are started, the air exchange and cooling are carried out on the interior of the granary by matching with the exhaust port 6, during the air exchange, the controller 22 analyzes the monitoring results of the temperature and humidity sensors 25 and the pressure sensors 26, whether grain needs to be turned over is judged according to the analysis results, when the temperature and humidity of each part of the grain in the granary are unbalanced, the controller 22 starts the grain suction machine 13 again and adjusts the electric control three-way switching valve A18 and the electric control three-way switching valve B20 simultaneously, the whole grain conveying pipeline forms an internal circulation, the grain rolls in the internal circulation, and the full and balanced environment of each part in the granary is guaranteed. When the grain is to be taken out, the controller controls the grain elevator 13, the electric control three-way switching valve A18 and the electric control three-way switching valve B20 to be matched with each other to pump the grain in the bin out of the bin through the grain outlet pipeline 17.
The operator can also use the portable control terminal 24 to connect to the controller 22 through wireless, inquire the storage quantity of the grain storage bin and the environment condition in the bin remotely, and can also intervene in the control remotely to supplement the place with insufficient automation control of the grain storage bin.
The above-mentioned embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (3)

1. An automatic grain storage bin based on sensing technology is characterized by comprising a bin body, a bin body base, a drying and ventilating unit, a turning and grain conveying unit and a monitoring and controlling unit, the bottom of the inner side of the bin body is a funnel-shaped groove, the bin body base is fixed at the bottom of the bin body, the drying and ventilating unit is arranged at the top of the bin body, used for drying and ventilating the air in the bin body, the turning grain conveying unit is arranged on the outer side wall of the bin body and communicated with the lower part of the funnel-shaped groove at the bottom of the inner side of the bin body, the monitoring and controlling unit is respectively in communication connection with the drying and ventilating unit and the grain conveying unit by turning over or sucking out grains deeply, the monitoring and controlling unit is arranged on a base of the bin body, the system is used for monitoring the temperature and humidity in the bin body and the grain storage allowance, controlling the drying and air exchange unit to perform drying and air exchange or controlling the turning and grain conveying unit to perform deep grain turning or sucking grain out and feeding; the granary body further comprises a granary inlet, a granary outlet, an air inlet and an air outlet, wherein the air inlet and the air outlet are respectively arranged on two sides of the top of the granary body; the drying and air exchanging unit comprises a fan, an air inlet pipeline, an air conveying pipeline, an air drying filter and a normally closed electromagnetic valve, wherein the air inlet pipeline and the air conveying pipeline are respectively connected with an air inlet and an air outlet of the fan, the other end of the air inlet pipeline is exposed outside the bin body, the air drying filter is arranged in the air inlet pipeline and close to one end of the fan, the normally closed electromagnetic valve A is arranged at the other end in the air inlet pipeline, the other end of the air conveying pipeline is connected with an air inlet of the bin body, and the air outlet of the bin body is provided with a normally; the grain conveying unit comprises a grain absorber, a grain absorbing pipeline in the bin, a grain absorbing pipeline outside the bin, a grain returning pipeline in the bin, a grain outlet pipeline, an electric control three-way switching valve and a normally closed electromagnetic valve, wherein the grain absorber is arranged on the outer side of the bin body; the monitoring control unit comprises a controller, a temperature and humidity sensor array, a pressure sensor array, a wireless communication transmission module and a portable control terminal, the controller is respectively in communication connection with the fan, the grain elevator, the normally closed electromagnetic valve A, the normally closed electromagnetic valve B, the normally closed electromagnetic valve C, the electric control three-way switching valve A, the electric control three-way switching valve B, the temperature and humidity sensor array, the pressure sensor array and the wireless communication transmission module, the portable control terminal is in communication connection with the controller through a wireless communication transmission module, the controller and the wireless communication transmission module are integrated components and are arranged on the bin body base, the temperature and humidity sensor array comprises a plurality of temperature and humidity sensors which are uniformly distributed on the inner side of the bin body in a layered manner, the pressure sensor array comprises a plurality of pressure sensors which are uniformly distributed on the inner side of the bin body in a layered mode.
2. The automatic granary based on the sensing technology according to claim 1, wherein a moisture-proof and heat-insulating layer is arranged in the wall of the granary body; the drying and air exchanging unit further comprises a refrigerator and an external temperature sensor, the refrigerator and the external temperature sensor are in communication connection with the controller, the refrigerator is arranged on the air conveying pipeline and between the fan and the bin body air inlet, the external temperature sensor is arranged on the outer wall of the air inlet pipeline and between the normally closed electromagnetic valve A and the air drying filter, and the air drying filter is detachable; the electric control three-way switching valve is a Y-shaped electric control three-way switching valve, the connection ends of the electric control three-way switching valve A and the electric control three-way switching valve B and the grain suction machine are non-Y-shaped forked ends, and the fan is a pipeline fan.
3. The automated sensor-based grain storage bin of claim 1, wherein the single temperature and humidity sensor and the single pressure sensor are uniformly distributed on the inner side of the bin body in a net shape in a surrounding manner, and the single temperature and humidity sensor and the single pressure sensor are adjacent to each other to form a group.
CN201811316530.1A 2018-11-07 2018-11-07 Automatic granary based on sensing technology Active CN109479534B (en)

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CN117121718B (en) * 2023-10-20 2024-02-09 潍坊市农业科学院(山东省农业科学院潍坊市分院) Seed storage bin for wheat cultivation

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JPH1123153A (en) * 1997-07-01 1999-01-26 Yanmar Agricult Equip Co Ltd Grain storage apparatus
CN202396191U (en) * 2012-01-18 2012-08-29 安徽燕之坊食品有限公司 Grain barn turning and humidifying device
CN204157320U (en) * 2014-10-17 2015-02-18 崔久 A kind of Domestic barn of rural area
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