Device capable of performing circulation ventilation, temperature control and water retention in granary

By using worm gear-driven louvers and a multi-directional temperature control and water retention mechanism, combined with a centrifugal fan and serpentine heat dissipation pipes, the problem of the heat dissipation structure of the internal circulation ventilation device of the grain silo being susceptible to external influences and local overheating has been solved, thus achieving stable temperature control and moisture retention.

CN223652764UActive Publication Date: 2025-12-12HENAN ZHIHUI LIANGCANG INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202520056679.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2025-12-12
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

The heat dissipation structure of the existing internal circulation ventilation system in grain warehouses is easily affected by the external environment. The fixed exhaust vents lead to excessively high local temperatures and some grain moisture loss.

Method used

The storage chamber utilizes a worm gear drive structure with louvers and a multi-directional temperature control and water retention mechanism, combined with a centrifugal fan and serpentine heat dissipation pipes, to achieve cooling circulation and temperature control, preventing moisture loss.

Benefits of technology

It improves the heat preservation efficiency of grain storage rooms, prevents local overheating, has high stability, is not easily affected by external airflow, and effectively prevents moisture loss.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a device capable of performing circulation ventilation, temperature control and water retention in a granary. The device comprises a storage chamber, a multidirectional temperature control and water retention mechanism and a temperature control mechanism, a top circulating layer is arranged at the top of the storage chamber, and a bottom separating layer is arranged at the bottom of the storage chamber; the multidirectional temperature control water retention mechanism comprises a ventilation pipe, a rotating joint, a flow dividing pipe, an air inlet air box, a rotating frame body, a first rotating shaft, a first worm gear and a first worm, the ventilation pipe is fixedly connected between the lower surface of the top circulation layer and the upper surface of the bottom separation layer, and the lower end of the ventilation pipe is fixedly connected with the rotating joint; the lower end of the rotating connector is fixedly connected with a flow dividing pipe, the upper side of the flow dividing pipe is fixedly connected with air inlet bellows in a bilateral symmetry mode, the outer arc surface of the flow dividing pipe is fixedly connected with a rotating frame body, and the lower surface of the rotating frame body is fixedly connected with a first rotating shaft.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of granary storage, specifically to a device that can give the granary internal circulation ventilation temperature control and water conservation. BACKGROUND

[0002] The granary is a building for storing grain. Among them, the internal circulation technology is a key popularization and application technology project in the granary storage. The principle of the internal circulation temperature control technology is to circulate the "cold core" of the grain pile in the granary to the space in the granary by setting the circulation fan in cooperation with the ground cage, so as to reduce the space heat accumulation, reduce the warehouse temperature and humidity and the temperature of the upper layer of grain pile;

[0003] In the prior art, the patent with the authorized publication number CN202222796040.4 discloses an internal circulation cooling and water conservation ventilation device for granary, which comprises a centrifugal fan, a supply air hose and a suction air hose arranged outside the granary. One end of the supply air hose is connected with the air outlet of the centrifugal fan, and the other end is connected with the granary window cover plate. One end of the suction air hose is connected with the air inlet of the centrifugal fan, and the other end is connected with the granary ground cage ventilation interface. The centrifugal fan, the supply air hose, the granary window cover plate, the granary inner chamber, the granary ground cage ventilation interface and the suction air hose form a closed internal circulation structure. The centrifugal fan, the supply air hose and the suction air hose are all provided with a heat preservation layer composed of heat preservation materials.

[0004] The above device has some problems in actual use. The main heat dissipation structure is exposed to the outside, which is easily affected by the external environment. The air outlet is fixed, and the local temperature is too high, resulting in the loss of water in part of the grain. Therefore, we propose a device that can give the granary internal circulation ventilation temperature control and water conservation. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a device that can give the granary internal circulation ventilation temperature control and water conservation, effectively solving the problem of local overheating in the storage chamber and effectively solving the problems in the background art.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a device that can give the granary internal circulation ventilation temperature control and water conservation, comprising a storage chamber, a multidirectional temperature control and water conservation mechanism and a temperature control mechanism.

[0007] The storage chamber is provided with a top circulating layer at the top, and the bottom of the storage chamber is provided with a bottom partition layer.

[0008] Multi-directional temperature control water retention mechanism: it includes ventilation pipe, rotary joint, shunt pipe, air inlet wind box, rotating frame body, first rotating shaft, first worm gear and first worm, the ventilation pipe is fixedly connected between the lower surface of the top circulating layer and the upper surface of the bottom partition layer, the lower end of the ventilation pipe is fixedly connected with the rotary joint, the lower end of the rotary joint is fixedly connected with the shunt pipe, the upper side of the shunt pipe is fixedly connected with the air inlet wind box, the outer camber surface of the shunt pipe is fixedly connected with the rotating frame body, the lower surface of the rotating frame body is fixedly connected with the first rotating shaft, the lower end of the first rotating shaft is rotatably connected with the middle part of the bottom partition layer, the middle part of the first rotating shaft is fixedly sleeved with the first worm gear, the first worm is rotatably connected between the left and right inner walls of the bottom partition layer, the first worm gear is meshed with the first worm;

[0009] Temperature control mechanism: it is arranged in the inside of the top circulating layer, the temperature control mechanism is communicated with the ventilation pipe, and the problem of local overheating of the storage room is effectively solved.

[0010] Further, the front side of the storage room is provided with a single-chip microcomputer, and the input end of the single-chip microcomputer is electrically connected with an external power supply to control normal operation of each electric appliance.

[0011] Further, the left side of the bottom partition layer is provided with a first motor, the output shaft of the first motor is fixedly connected with the left end of the first worm, and the input end of the first motor is electrically connected with the output end of the single-chip microcomputer.

[0012] Further, the upper side of the bottom partition layer is provided with a wire mesh cover, and the upper surface of the wire mesh cover is provided with uniformly distributed supporting ribs to enhance the bearing effect of the bottom partition layer.

[0013] Further, the temperature control mechanism includes a centrifugal fan, a serpentine heat dissipation pipe, an air outlet pipe, a drive mounting chamber, a second worm gear, a second worm, a synchronous pulley, a synchronous belt and a window leaf, the centrifugal fan is arranged in the middle part of the lower side wall of the top circulating layer, the air inlet of the centrifugal fan is communicated with the upper end of the ventilation pipe, the inside of the top circulating layer is provided with the serpentine heat dissipation pipe, the air outlet of the centrifugal fan is communicated with the middle part of the serpentine heat dissipation pipe, the lower side wall of the top circulating layer is provided with uniformly distributed air outlet pipes, the upper ends of the four air outlet pipes are communicated with the inside of one serpentine heat dissipation pipe, the left side wall of the top circulating layer is symmetrically provided with drive mounting chambers, the left and right inner walls of the top circulating layer are rotatably connected with uniformly distributed window leaves through rotating rods, the left ends of the eighteen rotating rods are fixedly connected with the second worm gears, the upper and lower inner walls of the two drive mounting chambers are rotatably connected with the second worms respectively, the nine second worm gears on the rear side are meshed with the second worms on the rear side, the nine second worm gears on the front side are meshed with the second worms on the front side, the lower ends of the two second worms are fixedly connected with the synchronous pulleys, the two synchronous pulleys are drivingly connected through a synchronous belt, the input end of the centrifugal fan is electrically connected with the output end of the single-chip microcomputer, and the functions of heat dissipation and water retention are realized.

[0014] Further, the upper end of the front drive mounting chamber is fixedly connected with a second motor, the output shaft of the second motor is fixedly connected with the upper end of the front second worm, the input end of the second motor is electrically connected with the output end of the single-chip microcomputer, and the bai window leaf is driven to open and close.

[0015] Further, the middle part of the front wall of the storage chamber is provided with a temperature and humidity sensor, the temperature and humidity sensor is bidirectionally electrically connected with the single-chip microcomputer, and the temperature and humidity inside the storage chamber are measured.

[0016] Compared with the prior art, the device has the following advantages:

[0017] 1. The bai window leaf structure adopts a worm and gear drive structure, and the driving mode is more stable when the window leaf is closed and opened, is not easily affected by external airflow, and ensures that subsequent grain storage heat preservation work can be stably carried out.

[0018] 2. The worm and gear structure drives the shunt pipe to change position in the bottom partition layer, absorbs the heat flow at different positions inside the storage chamber, cools and circulates, and re-discharges the circulating cold flow into the storage chamber, effectively prevents water loss, improves the heat preservation efficiency, and effectively solves the problem of local overheating of the grain storage chamber. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the utility model storage chamber;

[0021] Figure 3 It is a structural schematic diagram of the utility model bottom structure;

[0022] Figure 4 It is a structural schematic diagram of the utility model A place amplification structure;

[0023] Figure 5 It is a structural schematic diagram of the utility model B place amplification structure;

[0024] Figure 6 It is a plane structural schematic diagram of the utility model window leaf.

[0025] In the figure: 1 storage room, 2 bottom partition layer, 3 multi-directional temperature control water preservation mechanism, 31 ventilation pipe, 32 rotary joint, 33 shunt pipe, 34 air inlet air bellow, 35 rotating frame body, 36 first rotating shaft, 37 first worm wheel, 38 first worm, 4 first motor, 5 iron mesh cover, 6 top circulating layer, 7 temperature control mechanism, 71 centrifugal fan, 72 serpentine heat dissipation pipe, 73 air outlet pipe, 74 drive mounting chamber, 75 second worm wheel, 76 second worm, 77 synchronous pulley, 78 synchronous belt, 79 window leaf, 8 second motor, 9 single-chip microcomputer, 10 temperature and humidity sensor. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Please refer to Figures 1-6 The embodiment provides a technical solution: a device capable of circulating ventilation, temperature control and water preservation in a granary, comprising a storage room 1, a multi-directional temperature control water preservation mechanism 3 and a temperature control mechanism 7.

[0028] The storage room 1 is provided with a top circulating layer 6 at the top, the bottom of the storage room 1 is provided with a bottom partition layer 2, the front side of the storage room 1 is provided with a single-chip microcomputer 9, the input end of the single-chip microcomputer 9 is electrically connected to an external power supply, the middle part of the top circulating layer 6 is a heat preservation plate made of asbestos material, the upper side of the bottom partition layer 2 is provided with an iron mesh cover 5, the upper surface of the iron mesh cover 5 is provided with uniformly distributed support ribs, the middle part of the front side wall of the storage room 1 is provided with a temperature and humidity sensor 10, the temperature and humidity sensor 10 is bidirectionally electrically connected to the single-chip microcomputer 9, when the device needs to be used, the single-chip microcomputer 9 can be adjusted and controlled, the temperature and humidity sensor 10 operates, the temperature information and humidity information inside the storage room 1 are measured in real time, and these information is returned to the inside of the single-chip microcomputer 9 in real time, when the detected comprehensive temperature threshold is higher than the set temperature, the system is defined as “upper limit temperature”. The upper limit temperature is generally set to 27℃, and the storage room 1 can be custom-made in shape according to requirements;

[0029] Multi-directional temperature control water conservation mechanism 3: it includes ventilation pipe 31, swivel joint 32, shunt pipe 33, air inlet wind box 34, rotating frame body 35, first rotating shaft 36, first worm wheel 37 and first worm 38, ventilation pipe 31 is fixedly connected between the lower surface of top circulating layer 6 and the upper surface of bottom partition layer 2, the lower end of ventilation pipe 31 is fixedly connected with swivel joint 32 (swivel joint 32 can select DN300 type swivel joint), the lower end of swivel joint 32 is fixedly connected with shunt pipe 33, the upper side of shunt pipe 33 is fixedly connected with air inlet wind box 34 left and right symmetrically, the outer camber surface of shunt pipe 33 is fixedly connected with rotating frame body 35, the lower surface of rotating frame body 35 is fixedly connected with first rotating shaft 36, the lower end of first rotating shaft 36 is rotatably connected with the middle part of the lower side wall of bottom partition layer 2, the middle part of first rotating shaft 36 is fixedly sleeved with first worm wheel 37, first worm 38 is rotatably connected between the left and right inner walls of bottom partition layer 2, first worm wheel 37 is meshingly connected with first worm 38, the left side of bottom partition layer 2 is provided with first motor 4, the output shaft of first motor 4 is fixedly connected with the left end of first worm 38, the input end of first motor 4 is electrically connected with the output end of single-chip microcomputer 9, the air at the bottom of storage chamber 1 is sucked into the inside of shunt pipe 33 through air inlet wind box 34, then is guided through shunt pipe 33 and ventilation pipe 31 and is sucked into serpentine radiating pipe 72, at this time, top circulating layer 6 is in an open state, at this time, hot flow air flows through serpentine radiating pipe 72, then stores and radiates hot flow air, forms cold flow with lower temperature, then is guided along serpentine radiating pipe 72, then is discharged into the inside of storage chamber 1 along air outlet pipe 73 again;

[0030] The temperature control mechanism 7 is arranged in the top circulating layer 6, and is communicated with the ventilation pipe 31. The temperature control mechanism 7 comprises a centrifugal fan 71, a serpentine heat dissipation pipe 72, an air outlet pipe 73, a driving installation chamber 74, a second worm wheel 75, a second worm 76, a synchronous pulley 77, a synchronous belt 78 and a window leaf 79. The centrifugal fan 71 is arranged in the middle of the lower side wall of the top circulating layer 6, and the air inlet of the centrifugal fan 71 is communicated with the upper end of the ventilation pipe 31. The serpentine heat dissipation pipe 72 is arranged in the inside of the top circulating layer 6, and the air outlet of the centrifugal fan 71 is communicated with the middle of the serpentine heat dissipation pipe 72. The lower side wall of the top circulating layer 6 is provided with the evenly distributed air outlet pipes 73, and the upper ends of the four air outlet pipes 73 are communicated with the inside of one serpentine heat dissipation pipe 72. The driving installation chamber 74 is symmetrically arranged in the left side wall of the top circulating layer 6. The left and right inner walls of the top circulating layer 6 are rotationally connected with the evenly distributed window leaves 79 through rotating rods. The left ends of the eighteen rotating rods are fixedly connected with the second worm wheels 75, and the second worm wheels 75 and the second worm 76 are protected by the driving installation chamber 74. The second worm wheels 75 and the second worm 76 are protected to prevent the parts from being soaked by rainwater. The upper and lower inner walls of the two driving installation chambers 74 are respectively rotationally connected with the second worm 76. The rear nine second worm wheels 75 are meshingly connected with the rear second worm 76, and the front nine second worm wheels 75 are meshingly connected with the front second worm 76. The lower ends of the two second worms 76 are fixedly connected with the synchronous pulleys 77, and the two synchronous pulleys 77 are drivingly connected through the synchronous belt 78. The input end of the centrifugal fan 71 is electrically connected with the output end of the single-chip microcomputer 9. The upper end of the front driving installation chamber 74 is fixedly connected with the second motor 8, the output shaft of the second motor 8 is fixedly connected with the upper end of the front second worm 76, and the input end of the second motor 8 is electrically connected with the output end of the single-chip microcomputer 9. At this time, the single-chip microcomputer 9 can be controlled, the second motor 8 is operated, the output shaft of the second motor 8 is rotated, the front second worm 76 is driven to rotate, the rear second worm 76 is driven to rotate, the eighteen rotating rods are driven to rotate synchronously through the second worm wheels 75, and the window leaves 79 are opened. At this time, the single-chip microcomputer 9 can be controlled, the centrifugal fan 71 is operated, and the centrifugal fan 71 performs air suction. During this period, the first motor 4 can be controlled to operate, the output shaft of the first motor 4 is rotated, the first worm 38 is driven to rotate, the first worm wheel 37 is driven to rotate, the flow dividing pipe 33 is driven to rotate around the central axis of the ventilation pipe 31 through the first rotating shaft 36 and the rotating frame body 35, the air inlet bellow 34 is driven to rotate around the central axis of the ventilation pipe 31, the hot air in the storage compartment 1 is sucked from different positions to perform cold circulation, and water loss is prevented. When the detected temperature reaches the set temperature, which is defined as the "lower limit temperature" in the system, the lower limit temperature is generally set to 25℃, the system stops running, and heat preservation can be performed.

[0031] The working principle of the device for controlling temperature and preserving water through circulation ventilation in a granary is as follows: when the device needs to be used, the single-chip microcomputer 9 and the temperature and humidity sensor 10 are operated to measure the temperature information and humidity information in the storage chamber 1 in real time, and return the information to the inside of the single-chip microcomputer 9 in real time; when the detected comprehensive temperature threshold is higher than the set temperature, the system is defined as "upper limit temperature". The upper limit temperature is generally set to 27 DEG C, at this time, the single-chip microcomputer 9 and the second motor 8 are operated, the output shaft of the second motor 8 rotates, and then drives the second worm 76 on the front side to rotate, and then drives the second worm 76 on the rear side to rotate, and then drives the eighteen rotating rods to rotate synchronously through the second worm 75, and then drives the window leaf 79 to open, at this time, the single-chip microcomputer 9 and the centrifugal fan 71 are operated, the centrifugal fan 71 performs the air extraction operation, the air at the bottom of the storage chamber 1 is sucked into the inside of the shunt pipe 33 through the air inlet bellow 34, and then is sucked into the serpentine radiator pipe 72 through the guidance of the shunt pipe 33 and the ventilation pipe 31, at this time, the top circulating layer 6 is in an open state, at this time, the hot flow air flows through the serpentine radiator pipe 72, and then stores and radiates the hot flow air, forms cold flow with lower temperature, and then is guided by the serpentine radiator pipe 72, and then is discharged into the inside of the storage chamber 1 through the air outlet pipe 73, during which, the single-chip microcomputer 9 and the first motor 4 are operated, the output shaft of the first motor 4 rotates, and then drives the first worm 38 to rotate, and then drives the first worm 37 to rotate, and then drives the shunt pipe 33 to rotate around the central axis of the ventilation pipe 31 through the first rotating shaft 36 and the rotating frame 35, and then drives the air inlet bellow 34 to rotate around the central axis of the ventilation pipe 31, so that the hot flow in the storage chamber 1 is sucked from different positions to perform cold circulation, and prevent water loss, when the detected temperature reaches the set temperature, the system is defined as "lower limit temperature", the lower limit temperature is generally set to 25 DEG C, and the system stops running to perform heat preservation.

[0032] It is worth noting that the single-chip microcomputer 9 disclosed in the above embodiment is S7-200, and the first motor 4, the centrifugal fan 71, the second motor 8 and the temperature and humidity sensor 10 can be freely configured according to actual application scenarios. The first motor 4 is recommended to be a reduction motor of 42BL-A-Y type, the centrifugal fan 71 is recommended to be a 4-72C type centrifugal fan, the second motor 8 is recommended to be a 130LB series servo motor, and the temperature and humidity sensor 10 is recommended to be a temperature and humidity sensor of THN01 type. The single-chip microcomputer 9 controls the first motor 4, the centrifugal fan 71, the second motor 8 and the temperature and humidity sensor 10 to work by using the method commonly used in the prior art.

[0033] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A device for circulating ventilation, temperature control, and water retention within a grain silo, characterized in that: It comprises a storage room (1), a multi-directional temperature control water preservation mechanism (3) and a temperature control mechanism (7); The storage room (1) is provided with a top circulating layer (6) at the top, and a bottom partition layer (2) at the bottom. The multi-directional temperature control water preservation mechanism (3) comprises a ventilation pipe (31), a rotary joint (32), a shunt pipe (33), an air inlet wind box (34), a rotating frame body (35), a first rotating shaft (36), a first worm wheel (37) and a first worm (38). The ventilation pipe (31) is fixedly connected between the lower surface of the top circulating layer (6) and the upper surface of the bottom partition layer (2). The lower end of the ventilation pipe (31) is fixedly connected with the rotary joint (32). The lower end of the rotary joint (32) is fixedly connected with the shunt pipe (33). The upper side of the shunt pipe (33) is fixedly connected with the air inlet wind box (34) symmetrically left and right. The outer arc surface of the shunt pipe (33) is fixedly connected with the rotating frame body (35). The lower surface of the rotating frame body (35) is fixedly connected with the first rotating shaft (36). The lower end of the first rotating shaft (36) is rotatably connected with the middle part of the lower side wall of the bottom partition layer (2). The middle part of the first rotating shaft (36) is fixedly sleeved with the first worm wheel (37). The left and right inner walls of the bottom partition layer (2) are rotatably connected with the first worm (38). The first worm wheel (37) is meshingly connected with the first worm (38). The temperature control mechanism (7) is arranged in the inside of the top circulating layer (6) and is in communication with the ventilation pipe (31).

2. The device for controlling temperature and water content by circulating ventilation in a granary according to claim 1, characterized in that: The front side of the storage room (1) is provided with a single-chip microcomputer (9). The input end of the single-chip microcomputer (9) is electrically connected with an external power supply.

3. The device for controlling temperature and water content by circulating ventilation in a granary according to claim 2, characterized in that: The left side of the bottom partition layer (2) is provided with a first motor (4). The output shaft of the first motor (4) is fixedly connected with the left end of the first worm (38). The input end of the first motor (4) is electrically connected with the output end of the single-chip microcomputer (9).

4. The device for controlling temperature and water content by circulating ventilation in a granary according to claim 1, characterized in that: The upper side of the bottom partition layer (2) is provided with an iron mesh cover (5). The upper surface of the iron mesh cover (5) is provided with uniformly distributed supporting ribs.

5. The device for controlling temperature and moisture of air circulating in a granary according to claim 2, characterized in that: The temperature control mechanism (7) comprises a centrifugal fan (71), a serpentine heat dissipation pipe (72), an air outlet pipe (73), a drive mounting chamber (74), a second worm wheel (75), a second worm (76), a synchronous pulley (77), a synchronous belt (78) and a window leaf (79), the centrifugal fan (71) is arranged in the middle of the lower side wall of the top circulating layer (6), the air inlet of the centrifugal fan (71) is communicated with the upper end of the ventilation pipe (31), the inside of the top circulating layer (6) is provided with the serpentine heat dissipation pipe (72), the air outlet of the centrifugal fan (71) is communicated with the middle of the serpentine heat dissipation pipe (72), the lower side wall of the top circulating layer (6) is provided with the uniformly distributed air outlet pipe (73), the upper end of the four air outlet pipes (73) is communicated with the inside of one serpentine heat dissipation pipe (72), the left side wall of the top circulating layer (6) is symmetrically provided with the drive mounting chamber (74), the left and right inner walls of the top circulating layer (6) are rotationally connected with the uniformly distributed window leaf (79) through a rotating rod, the left end of the eighteen rotating rods is fixedly connected with the second worm wheel (75), the upper and lower inner walls of the two drive mounting chambers (74) are respectively rotationally connected with the second worm (76), the rear nine second worm wheels (75) are meshedly connected with the rear second worm (76), the front nine second worm wheels (75) are meshedly connected with the front second worm (76), the lower ends of the two second worms (76) are respectively fixedly connected with the synchronous pulley (77), the two synchronous pulleys (77) are drivingly connected through a synchronous belt (78), and the input end of the centrifugal fan (71) is electrically connected with the output end of the single-chip microcomputer (9).

6. The device for controlling temperature and moisture of grain in a silo by circulating ventilation according to claim 5, characterized in that: The upper end of the front drive mounting chamber (74) is fixedly connected with the second motor (8), the output shaft of the second motor (8) is fixedly connected with the upper end of the front second worm (76), and the input end of the second motor (8) is electrically connected with the output end of the single-chip microcomputer (9).

7. The device for controlling temperature and water content by circulating ventilation in a granary according to claim 2, characterized in that: The middle of the front side wall of the storage room (1) is provided with a temperature and humidity sensor (10), and the temperature and humidity sensor (10) is bidirectionally electrically connected with the single-chip microcomputer (9).

Citation Information

Patent Citations

  • Internal circulation cooling, water-retaining and ventilating device of granary

    CN218184126U