CN113025486A - Wisdom granary temperature humidity intelligence fermentation monitored control system - Google Patents

Wisdom granary temperature humidity intelligence fermentation monitored control system Download PDF

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Publication number
CN113025486A
CN113025486A CN202110332486.9A CN202110332486A CN113025486A CN 113025486 A CN113025486 A CN 113025486A CN 202110332486 A CN202110332486 A CN 202110332486A CN 113025486 A CN113025486 A CN 113025486A
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CN
China
Prior art keywords
module
granary
temperature
control unit
humidity
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Pending
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CN202110332486.9A
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Chinese (zh)
Inventor
王晓庆
王子悦
田杰
王安娜
钱城江
张妍
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Nanjing University of Finance and Economics
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Nanjing University of Finance and Economics
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Application filed by Nanjing University of Finance and Economics filed Critical Nanjing University of Finance and Economics
Priority to CN202110332486.9A priority Critical patent/CN113025486A/en
Publication of CN113025486A publication Critical patent/CN113025486A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/12Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/30Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration
    • C12M41/34Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration of gas
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/48Automatic or computerized control

Abstract

The invention discloses an intelligent granary temperature and humidity intelligent fermentation monitoring system which comprises a main control unit, wherein the output end of the main control unit is connected with a temperature and humidity control unit for adjusting the temperature and humidity in a granary, a monitoring unit for monitoring real-time data in the granary and an early warning substitution module, and the input end of the monitoring unit is connected with the output end of the temperature and humidity control unit; the temperature and humidity control unit comprises a dry ice putting module for adjusting the humidity in the granary, a cold and hot air module for adjusting the temperature in the granary, and a simulation illumination module for providing a function of simulating illumination conditions in the granary; through the simulation illumination module of design, can satisfy the demand that cereal needs illumination to carry out the fermentation in the granary regulation of illumination, the threshold value setting module that sets up simultaneously, amount of wind module and wind direction module can be according to regularly, ration, fixed point carry out the elevating temperature in the granary.

Description

Wisdom granary temperature humidity intelligence fermentation monitored control system
Technical Field
The invention belongs to the technical field of intelligent barns, and particularly relates to an intelligent temperature and humidity fermentation monitoring system for an intelligent barn.
Background
The intelligent granary is provided with intelligent equipment and is used for storing grain crops, and during storage, the grain crops can be fermented at a specific temperature to achieve specific products, such as soy sauce and other processes are fermented in the granary.
The current intelligent fermentation monitored control system can only carry out conventional monitoring to the humiture in the granary when using, can't monitor other directions to and make corresponding adjustment according to the fermentation process and improve fermentation efficiency, consequently there is great limitation in the in-service use, has the space that can improve.
Disclosure of Invention
The invention aims to provide an intelligent granary temperature and humidity intelligent fermentation monitoring system to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent granary temperature and humidity intelligent fermentation monitoring system comprises a main control unit, wherein the output end of the main control unit is connected with a temperature and humidity control unit for adjusting the temperature and humidity in a granary, the intelligent granary temperature and humidity intelligent fermentation monitoring system is also connected with a monitoring unit for monitoring real-time data in the granary and an early warning substitution module, and the input end of the monitoring unit is connected with the output end of the temperature and humidity control unit;
the temperature and humidity control unit comprises a dry ice throwing module for adjusting the humidity in the granary, a cold and hot air module for adjusting the temperature in the granary and a simulation illumination module for providing a function of simulating illumination conditions in the granary, wherein the dry ice throwing module reduces the temperature in the granary by throwing a proper amount of dry ice in the granary;
the monitoring unit comprises a temperature monitoring module for monitoring the temperature in the granary in real time, a humidity monitoring module for monitoring the humidity in the granary in real time and an infrared spectrum monitoring module for monitoring the quality of fermented grains;
the temperature and humidity control unit and the monitoring unit are arranged on the wall of the granary at equal distance and equal height; the early warning substitution module is used for monitoring the main control unit in real time, and once the main control unit fails, the early warning substitution module directly substitutes the main control unit and implements the self-input codes to operate.
The cold and warm air module comprises a threshold setting module for timing the opening time, an air quantity module for adjusting the blown air quantity and an air direction module for adjusting the blown air direction.
The wind direction module comprises wind supply wind directions facing the grain bin at 0 degree, 20 degrees, 40 degrees, 60 degrees, 80 degrees, 100 degrees, 120 degrees, 140 degrees, 160 degrees and 180 degrees, and the wind quantity module comprises three wind quantity adjustments of a high wind quantity, a medium wind quantity and a low wind quantity.
Preferably, the output end of the main control unit is further connected with the input end of the threshold setting module, and the working time set by the threshold setting module is directly adjusted and edited by the main control unit.
Preferably, the input end of the main control unit is provided with an editing unit for receiving temperature regulation and monitoring data, and the editing unit comprises a code input module for directly inputting codes through an operator, a code downloading module for directly downloading codes from an external resource website, and a backup code inputting module for directly inputting codes which are backed up in an early stage into the main control unit.
Preferably, the output ends of the temperature and humidity control unit and the monitoring unit are connected with a backup terminal for recording all operation diaries and operation time, the backup terminal can transmit the operation diaries and the operation time to the remote terminal in an external USB and Bluetooth mode, and the remote terminal is used for detecting, controlling and operating the whole system and is not limited by regions.
Preferably, still including fixing installation deckle board on the granary inner wall, the cylinder is still installed to the bottom inboard of installation deckle board, the top of cylinder still is provided with a plurality of connecting rods, the bottom mounting of connecting rod has the double-screw bolt, cylinder and every all set up the screw that supplies the double-screw bolt to connect on the top face of connecting rod, the outside of installation deckle board still is provided with the installing support, just the shifting chute has been seted up on a side surface of installation deckle board, the inside of shifting chute to installation deckle board is inserted to the one end of installing support, an pot head of installing support is established the surface of double-screw bolt, the surface at the installing support is placed to the atmospheric control unit.
Preferably, a placing groove for placing the temperature and humidity control unit is formed in the top end face of the mounting support, the mounting support is located in the middle of the placing groove and is in a disconnected shape, a built-in spring is arranged inside the disconnected position, at least two lantern rings are further fixed to the bottom end face of the mounting support, each lantern ring is located on two sides of the disconnected position of the mounting support, a limiting clamping plate penetrates through the inner side of each lantern ring, and the two ends of the limiting clamping plate bend towards the bottom direction of the mounting support.
Compared with the prior art, the invention has the beneficial effects that:
through the designed simulated illumination module, the illumination regulation can be simulated in the granary, the requirement that the grains need illumination to ferment is met, the threshold setting module, the air quantity module and the wind direction module are arranged at the same time, the temperature in the granary can be raised and lowered according to timing, quantifying and fixing points, the use is very convenient, the infrared spectrum monitoring module is arranged at the same time, the quality of the grains in the granary can be monitored, the phenomenon that the quality is problematic in the fermentation process is avoided, and the editing unit is arranged, a specific fermentation interval can be formed in the granary according to specific grains, and different fermentation requirements are met; the designed air cylinder, the connecting rod and the mounting bracket can synchronously adjust the heights of the temperature and humidity control unit and the monitoring unit, the full-automatic operation is more convenient, the mounting bracket is designed into a structure with adjustable length, the installation of the temperature and humidity control units with different sizes can be met, and the supporting stability can be ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a system diagram of the present invention;
FIG. 3 is a sectional view of the mounting frame plate of the present invention coupled to a cylinder;
FIG. 4 is a schematic structural view of the mounting frame plate of the present invention;
fig. 5 is a cross-sectional view of the mounting bracket of the present invention.
In the figure: 1. a granary; 2. an illumination simulation module; 3. a temperature and humidity control unit; 4. installing a frame plate; 5. mounting a bracket; 6. a main control unit; 7. an early warning substitution module; 8. a connecting rod; 9. a cylinder; 10. a moving groove; 11. a stud; 12. a screw hole; 13. a placement groove; 14. a built-in spring; 15. a collar; 16. a limiting clamping plate; 17. and a dry ice throwing module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 5, the present invention provides a technical solution: an intelligent fermentation monitoring system for temperature and humidity of a smart barn 1 comprises a main control unit 6, wherein the output end of the main control unit 6 is connected with a temperature and humidity control unit 3 for adjusting the temperature and humidity in the barn 1, a monitoring unit for monitoring the data in the barn 1 and an early warning substitution module 7, and the input end of the monitoring unit is connected with the output end of the temperature and humidity control unit 3;
the temperature and humidity control unit 3 comprises a dry ice putting module 17 for adjusting the humidity in the granary 1, a cold and hot air module for adjusting the temperature in the granary 1 and a simulation illumination module 2 for providing a function of simulating illumination conditions in the granary 1, and the phenomenon of mildewing is avoided by simulating that the illumination of grains in the granary is in an illumination state, wherein the dry ice putting module 17 puts a proper amount of dry ice in the granary 1 to reduce the temperature in the granary 1, so that the dry ice putting module 17 can be used in cooperation with the dry ice putting module 17 in long-term illumination of the simulation illumination module 2, the dry ice putting module 17 is an ice dryer, and a jet orifice of the ice dryer faces the interior of the granary; the simulated illumination module 2 can simulate illumination adjustment in the grain bin 1 to meet the requirement that grains need illumination for fermentation, and the simulated illumination module 2 comprises a fluorescent lamp and an LED lamp;
the monitoring unit comprises a temperature monitoring module for monitoring the temperature in the granary 1 in real time, the module can be used in the simulation illumination module 2, the granary can carry out temperature detection in normal operation, and a humidity monitoring module for monitoring the humidity in the granary 1 in real time, the humidity in the granary can be adjusted in use, so that grains can be better stored, and the infrared spectrum monitoring module for monitoring the quality of fermented grains is arranged, the infrared spectrum monitoring module can monitor the quality of grains in the granary 1, the principle is that the biological wavelength of the grains is fed back through detection to measure the quality information of the grains, and the phenomenon that the quality is in a problem in the fermentation process is avoided,
the characteristic spectrum of the substances is obvious in infrared band, is basically within 2000nm, is preferably detected by an infrared spectrum sensor of an Eimei semiconductor, has no manual work and low cost, and completes real-time multi-point monitoring;
the temperature and humidity control unit 3 and the monitoring unit are arranged on the wall of the granary 1 at equal distance and equal height;
the early warning substitution module 7 is used for monitoring the main control unit 6 in real time, and once the main control unit 6 fails, the early warning substitution module 7 directly substitutes the main control unit 6 and carries out operation on codes input by the early warning substitution module.
In this embodiment, preferably, the threshold setting module for timing the opening time, the air volume module for adjusting the volume of the blown air, and the wind direction module for adjusting the direction of the blown air of the cold and hot air module are arranged, and the threshold setting module, the air volume module and the wind direction module can be used for raising and lowering the temperature of the grain barn 1 at regular time, fixed quantity and fixed point, so that the use is very convenient.
In this embodiment, preferably, the wind direction module includes towards granary 10 °, 20 °, 40 °, 60 °, 80 °, 100 °, 120 °, 140 °, 160 ° and 180 ° of the supply wind direction, and the air volume module includes high, medium, and low three kinds of air volume regulation, wherein high air volume is for a heavy year of 7m, medium air volume is for a heavy year of 4m, and low air volume is for a heavy year of 2 m.
In this embodiment, preferably, the output end of the main control unit 6 is further connected to the input end of the threshold setting module, and the working time set by the threshold setting module is directly adjusted and edited by the main control unit 6.
In this embodiment, preferably, the input end of the main control unit 6 is provided with an editing unit for receiving temperature adjustment and monitoring data, the set editing unit can form a specific fermentation section in the grain barn 1 according to specific grains to meet different fermentation requirements, and the editing unit includes a code input module for directly inputting codes through an operator, a code download module for directly downloading codes from an external resource website, and a backup code input module for directly inputting codes which are backed up in an earlier stage into the main control unit 6.
In this embodiment, preferably, the output ends of the temperature and humidity control unit 3 and the monitoring unit are connected with a backup terminal for recording all operation diaries and operation times, the backup terminal can transmit the operation diaries and the operation times to a remote terminal in an external USB or bluetooth manner, and the remote terminal is used for detecting, controlling and operating the whole system and is not limited by regions.
In this embodiment, preferably, the remote terminal is a mobile phone, a tablet, or a computer.
In the embodiment, preferably, the device further comprises an installation frame plate 4 fixed on the inner wall of the grain bin 1, an air cylinder 9 is further installed on the inner side of the bottom of the installation frame plate 4, a plurality of connecting rods 8 are further arranged on the top of the air cylinder 9, a stud 11 is fixed at the bottom end of each connecting rod 8, screw holes 12 for connecting the studs 11 are formed in the air cylinder 9 and the top end face of each connecting rod 8, an installation support 5 is further arranged on the outer side of the installation frame plate 4, and the designed air cylinder 9, the connecting rods 8 and the installation support 5 can synchronously adjust the heights of the temperature and humidity control unit 3 and the monitoring unit, the full-automatic operation is more convenient, a moving groove 10 is formed in the surface of one side of the mounting frame plate 4, one end of the mounting bracket 5 is inserted into the moving groove 10 to the inside of the mounting frame plate 4, one end of the mounting bracket 5 is sleeved on the surface of the stud 11, and the temperature and humidity control unit 3 is placed on the surface of the mounting bracket 5; in use, drive connecting rod 8 through cylinder 9 and carry out reciprocating motion, connecting rod 8 drives installing support 5 afterwards and carries out the up-and-down motion to adjust the height of atmospheric control unit 3 and monitoring unit through installing support 5, and when connecting installing support 5, establish a pot head of installing support 5 on double-screw bolt 11 earlier, again with double-screw bolt 11 and screw 12 threaded connection, accomplish spacing installation with this, the rear surface of installing support 5 after the fixing is laminated with the inner wall of shifting chute 10 slides.
In this embodiment, preferably, a top end surface of the mounting bracket 5 is provided with a placing groove 13 for placing the temperature and humidity control unit 3, the mounting bracket 5 is disposed in the middle of the placing groove 13 and is in a disconnected shape, a built-in spring 14 is disposed inside the disconnected part, the mounting bracket 5 is designed to be of a length-adjustable structure, so that the temperature and humidity control units 3 of different sizes can be mounted, meanwhile, the supporting stability of the mounting bracket can also be ensured by the arranged limiting clamping plate 16, at least two lantern rings 15 are further fixed on a bottom end surface of the mounting bracket 5, each lantern ring 15 is respectively disposed on two sides of the disconnected part of the mounting bracket 5, the limiting clamping plate 16 penetrates through the inner side of the lantern ring 15, two ends of the limiting clamping plate 16 are bent towards the bottom direction of the mounting bracket 5, in the mounting process, the temperature and humidity control unit 3 is placed in the placing groove 13, when the, the length is adjusted and limited and fixed through the extension and contraction of the built-in spring 14, and in the adjustment of the whole length, the limit is supported and limited through the limit clamping plate 16, so that the complete separation of the broken part is avoided.
Example 2
Different from embodiment 1, the wind direction module includes an air supply direction toward the grain bin by 10 °, 20 °, 40 °, 60 °, 80 °, 100 °, 120 °, 140 °, 160 ° and 180 °, and the air volume module includes three air volume adjustments of high, medium, and low, where high air volume is for performing a heavy cultivation at 8 m/s, medium air volume is for performing a heavy cultivation at 5 m/s, and low air volume is for performing a heavy cultivation at 3 m/s.
In this embodiment, preferably, the remote terminal is a mobile phone or a tablet.
Example 3
The difference from the above embodiment is that the wind direction module includes wind supply directions toward the grain bin by 10 °, 20 °, 40 °, 60 °, 80 °, 100 °, 120 °, 140 °, 160 ° and 180 °, and the wind rate module includes three wind rate adjustments of high, medium, and low, wherein high wind rate is for cultivation at 8 m/s, medium wind rate is for cultivation at 5 m/s, and low wind rate is for cultivation at 3 m/s.
In this embodiment, preferably, the remote terminal is a mobile phone.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an intelligence granary temperature humidity intelligence fermentation monitored control system, includes main control unit (6), its characterized in that: the output end of the main control unit (6) is connected with a temperature and humidity control unit (3) for adjusting the temperature and humidity in the granary (1), the output end of the main control unit is also connected with a monitoring unit for monitoring the internal-storage data of the granary (1) and an early warning substitution module (7), and the input end of the monitoring unit is connected with the output end of the temperature and humidity control unit (3);
the temperature and humidity control unit (3) comprises a dry ice throwing module (17) for adjusting the humidity in the granary (1), a cold and hot air module for adjusting the temperature in the granary (1), and a simulation illumination module (2) for providing a function of simulating illumination conditions in the granary (1), wherein the dry ice throwing module (17) reduces the temperature in the granary (1) by throwing a proper amount of dry ice in the granary (1);
the monitoring unit comprises a temperature monitoring module for monitoring the temperature in the granary (1) in real time, a humidity monitoring module for monitoring the humidity in the granary (1) in real time, and an infrared spectrum monitoring module for monitoring the quality of fermented grains;
the temperature and humidity control unit (3) and the monitoring unit are arranged on the wall of the granary (1) at equal distance and equal height;
the early warning substitution module (7) is used for monitoring the main control unit (6) in real time, and once the main control unit (6) breaks down, the early warning substitution module (7) directly substitutes the main control unit (6) and carries out operation on codes input by the early warning substitution module;
the cold and hot air module comprises a threshold setting module for timing the starting time, an air quantity module for adjusting the blown air quantity and an air direction module for adjusting the blown air direction;
the wind direction module comprises wind supply wind directions facing 0 degrees, 20 degrees, 40 degrees, 60 degrees, 80 degrees, 100 degrees, 120 degrees, 140 degrees, 160 degrees and 180 degrees of the granary (1), and the wind amount module comprises three wind amount adjusting modes of high wind amount, medium wind amount and low wind amount.
2. The intelligent granary temperature and humidity fermentation monitoring system of claim 1, wherein: the output end of the main control unit (6) is also connected with the input end of the threshold setting module, and the working time set by the threshold setting module is directly adjusted and edited through the main control unit (6).
3. The intelligent granary temperature and humidity fermentation monitoring system of claim 2, wherein: the system comprises a main control unit (6), wherein an editing unit used for receiving temperature regulation and monitoring data is installed on an input end of the main control unit (6), and the editing unit comprises a code input module used for directly inputting codes through an operator, a code downloading module used for directly downloading codes from an external resource website, and a backup code inputting module used for directly inputting codes which are backed up in an earlier stage into the main control unit (6).
4. The intelligent granary temperature and humidity fermentation monitoring system of claim 1, wherein: the temperature and humidity control unit (3) and the output end of the monitoring unit are connected with a backup terminal for recording all operation diaries and operation time, the backup terminal can transmit the operation diaries and the operation time to a remote terminal in an external USB and Bluetooth mode, and the remote terminal is used for detecting, controlling and operating the whole system and is not limited by regions.
5. The intelligent granary temperature and humidity fermentation monitoring system of claim 1, wherein: also comprises an installation frame plate (4) fixed on the inner wall of the granary (1), the inner side of the bottom of the installation frame plate (4) is also provided with a cylinder (9), the top of the cylinder (9) is also provided with a plurality of connecting rods (8), the bottom ends of the connecting rods (8) are fixed with studs (11), the top end surfaces of the air cylinder (9) and each connecting rod (8) are respectively provided with a screw hole (12) for connecting a stud (11), the outer side of the mounting frame plate (4) is also provided with a mounting bracket (5), and a moving groove (10) is arranged on the surface of one side of the mounting frame plate (4), one end of the mounting bracket (5) is inserted into the moving groove (10) to the inner part of the mounting frame plate (4), one end of the mounting bracket (5) is sleeved on the surface of the stud (11), the temperature and humidity control unit (3) is arranged on the surface of the mounting bracket (5).
6. The intelligent granary temperature and humidity fermentation monitoring system of claim 5, wherein: the utility model discloses a temperature and humidity control device, including installing support (5), place groove (13) that supply temperature and humidity control unit (3) to place are seted up to the top end face of installing support (5), installing support (5) and being in the middle part of place groove (13) is the disconnection form, and the inside of this disconnection department is provided with built-in spring (14), the bottom face of installing support (5) still is fixed with two at least lantern rings (15), every lantern ring (15) are in respectively the disconnection department both sides of installing support (5), spacing cardboard (16) have still been run through to the inboard of lantern ring (15), the both ends orientation of spacing cardboard (16) the bottom direction of installing support (5) is buckled.
CN202110332486.9A 2021-03-29 2021-03-29 Wisdom granary temperature humidity intelligence fermentation monitored control system Pending CN113025486A (en)

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CN109634326A (en) * 2018-12-05 2019-04-16 姚建月 A kind of silo is interior to be used for aerial temperature and humidity micro control device and its application method
CN210109588U (en) * 2019-05-08 2020-02-21 浙江万胜智能科技股份有限公司 Granary temperature and humidity monitoring system based on UWB positioning technology
CN210746989U (en) * 2019-09-21 2020-06-16 南京尚迪纳米科技有限公司 Photocatalysis mould proof equipment for grain depot
CN212589032U (en) * 2020-06-10 2021-02-26 郑州中锣科技有限公司 Novel mould proof granary
CN212589046U (en) * 2020-06-14 2021-02-26 郑州中锣科技有限公司 Ventilation device for granary
CN212589037U (en) * 2020-06-14 2021-02-26 郑州中锣科技有限公司 A dehydrating unit for granary
CN112558667A (en) * 2021-02-24 2021-03-26 南京财经大学 Wisdom granary feed control device system

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