Ventilation device for potato storage warehouse

Abstract

The utility model discloses a potato storage warehouse ventilation device which comprises a storage warehouse, the storage warehouse can be made of metal or can be formed by digging earth, an air outlet pipe is fixedly installed at the top end of the storage warehouse, installation frames are symmetrically and fixedly installed in the air outlet pipe, a rotating shaft is rotatably installed between the two installation frames through a bearing, and the rotating shaft is provided with an air inlet and an air outlet. Fan blades are fixedly installed at the top of the rotating shaft, the fan blades are blown to rotate through wind outside the storage warehouse, then the rotating shaft is driven to rotate, then the impeller is controlled to rotate, and gas such as carbon dioxide in the storage warehouse can be exhausted out of the storage warehouse through the gas outlet pipe through rotation of the impeller. When the air inlet pipe is opened, external air enters the air inlet pipe from the top of the air inlet pipe and is exhausted from the bottom of the air inlet pipe, meanwhile, air entering the air inlet pipe is also exhausted along the first air distribution pipe, the second air distribution pipe and the air outlet holes, and the air inlet pipe can be used for uniform ventilation of the interior of the storage and is used for achieving ventilation and air exchange operation of the interior of the storage.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of potato storage, specifically is a potato storage library ventilation device. BACKGROUND

[0002] When storing potatoes, the potatoes are stored in a potato storage library, and a ventilation mechanism is provided for ventilation operation inside the potato storage library, for controlling the oxygen environment conditions inside the potato storage library, to prolong the fresh-keeping period of the potatoes and reduce diseases.

[0003] In the prior art, the potato storage library ventilation device usually uses a fan and other devices that require a large amount of electricity to ventilate and exhaust the potato storage library, which consumes a lot of electricity. When ventilating, the ventilation position is fixed, but the ventilation in the potato storage library is not uniform, and the entire potato storage library cannot be uniformly ventilated. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a potato storage library ventilation device to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a potato storage library ventilation device, comprising a storage library, a gas outlet pipe is fixedly installed at the top end of the storage library, two mounting brackets are fixedly and symmetrically installed inside the gas outlet pipe, a rotating shaft is rotatably installed between the two mounting brackets through bearings, a fan blade is fixedly installed at the top of the rotating shaft, an impeller is fixedly installed at the middle of the rotating shaft, the impeller has a plurality of, an air inlet pipe is fixedly installed on the storage library near the gas outlet pipe, the bottom end of the air inlet pipe is close to the bottom end of the gas outlet pipe, a first branch pipe is communicatively installed on the air inlet pipe, a second branch pipe is fixedly and symmetrically installed on the first branch pipe at equal intervals, a baffle is fixedly installed at the top end of the gas outlet pipe and the air inlet pipe, an installation plate is fixedly installed inside the storage library, a controller, a temperature and humidity sensor, and an oxygen concentration sensor are fixedly installed on the installation plate, respectively, and an electromagnetic valve is fixedly installed on the air inlet pipe.

[0006] As a further preferred embodiment of the present technical solution, a plurality of air outlet holes are formed at equal intervals on the vertical section of the second branch pipe.

[0007] As a further preferred embodiment of the present technical solution, a baffle ring is symmetrically rotatably installed at the top end of the gas outlet pipe through a shaft pin, and the two baffle rings can close the top of the gas outlet pipe.

[0008] As a further preferred embodiment of the present technical solution, a filter screen is fixedly installed inside the top end of the air inlet pipe.

[0009] As a further preferred of the technical solution, the mounting plate is fixedly installed with a battery assembly, and the top of the shielding plate is fixedly installed with a solar photovoltaic panel.

[0010] The potato storage library ventilation device has the following beneficial effects:

[0011] (1) The utility model discloses a fan blade is rotated through the outside wind of storage library, and then drives the rotation of the rotating shaft, and then controls the rotation of the impeller, and the carbon dioxide gas in the storage library can be discharged through the gas outlet pipe, and at the same time, the bottom end of the gas outlet pipe has the suction force, and the pressure is small, and the bottom end of the air inlet pipe has no wind, and the pressure is large, and the bottom end of the air pressure inlet pipe is close to the bottom end of the gas outlet pipe, so according to Bernoulli's principle, the outside wind will enter the inside of the air inlet pipe from the top of the air inlet pipe and be discharged from the bottom of the air inlet pipe, realizing the ventilation and aeration operation of the inside of the storage library, without using the large electric equipment such as fan for ventilation and exhaust operation, and being more energy-saving.

[0012] (2) The utility model discloses a fan blade is rotated through the outside wind of storage library, and then drives the rotation of the rotating shaft, and then controls the rotation of the impeller, and the carbon dioxide gas in the storage library can be discharged through the gas outlet pipe, and at the same time, the bottom end of the gas outlet pipe has the suction force, and the pressure is small, and the bottom end of the air inlet pipe has no wind, and the pressure is large, and the bottom end of the air pressure inlet pipe is close to the bottom end of the gas outlet pipe, so according to Bernoulli's principle, the outside wind will enter the inside of the air inlet pipe from the top of the air inlet pipe and be discharged from the bottom of the air inlet pipe, realizing the ventilation and aeration operation of the inside of the storage library, without using the large electric equipment such as fan for ventilation and exhaust operation, and being more energy-saving. DRAWINGS

[0013] Figure 1 It is the whole structure schematic diagram of the utility model;

[0014] Figure 2 It is the local structure schematic diagram of the utility model;

[0015] Figure 3 It is the local sectional structure schematic diagram of the utility model;

[0016] Figure 4 It is the local sectional explosion structure schematic diagram of the utility model;

[0017] In the drawing: 1, storage library;2, gas outlet pipe;3, mounting frame;4, rotating shaft;5, fan blade;6, impeller;7, air inlet pipe;8, first branch pipe;9, second branch pipe;10, gas outlet hole;11, baffle ring;12, shielding plate;13, filter screen;14, mounting plate;15, controller;16, temperature and humidity sensor;17, oxygen concentration sensor;18, electromagnetic valve;19, battery assembly;20, solar photovoltaic panel. CONCRETE IMPLEMENTATION

[0018] The technical scheme in the utility model embodiment will be clearly and completely described in combination with the drawings in the utility model embodiment.

[0019] The utility model provides technical scheme: as Figures 1 to 4 As shown in the figure, in the embodiment, a potato storage library ventilation device, including the storage library 1, the storage library 1 can be metal construction also can be formed by excavating, the top of storage library 1 is fixedly installed with the air outlet pipe 2, the inside symmetry of air outlet pipe 2 is fixedly installed with mounting bracket 3, two mounting bracket 3 between through bearing rotary mounting has the pivot 4, the top of pivot 4 is fixedly installed with the fan blade 5, the middle part of pivot 4 is fixedly installed with the impeller 6, the impeller 6 has several, the position of storage library 1 close to air outlet pipe 2 is fixedly installed with the air inlet pipe 7, the bottom of air inlet pipe 7 is close to the bottom of air outlet pipe 2 and is arranged, the air inlet pipe 7 is installed with the first branch pipe 8, the first branch pipe 8 is fixedly installed with the second branch pipe 9 on equidistance and symmetry, the vertical section of second branch pipe 9 is equidistantly provided with air outlet hole 10, the height of several air outlet holes 10 on same second branch pipe 9 is different, through the outside wind of storage library 1 blowing fan blade 5 rotation, further will drive pivot 4 rotation, further control impeller 6 rotation, the rotation of impeller 6 can discharge the carbon dioxide gas in the inside of storage library 1 through air outlet pipe 2, at the same time, because the bottom of air outlet pipe 2 has suction force, pressure is smaller, the bottom of air inlet pipe 7 has no wind, pressure is larger, and the bottom of air pressure air inlet pipe 7 is close to the bottom of air outlet pipe 2, so according to Bernoulli's principle, the outside wind will enter the inside of air inlet pipe 7 from the top of air inlet pipe 7 and discharge from the bottom of air inlet pipe 7, at the same time, the air from air inlet pipe 7 will also be discharged along first branch pipe 8, second branch pipe 9 and air outlet hole 10, can be used for the uniform ventilation of the inside of storage library 1, for realizing the ventilation and aeration operation in the inside of storage library 1.

[0020] As Figures 1 to 4 As shown in the figure, the top of air outlet pipe 2 is symmetrically rotatably installed with a baffle ring 11 through a shaft pin, and the top of air outlet pipe 2 can be closed by the two baffle rings 11.

[0021] When the carbon dioxide gas in the inside of storage library 1 is discharged through air outlet pipe 2, the wind force in air outlet pipe 2 blows the baffle ring 11 to drive the baffle ring 11 to rotate, so as to open air outlet pipe 2, and when no air is discharged, the baffle ring 11 can close the top of air outlet pipe 2 to prevent foreign matters from entering the inside of air outlet pipe 2.

[0022] As Figures 1 to 4 As shown in the figure, the top of air outlet pipe 2 and air inlet pipe 7 is fixedly installed with a shielding plate 12.

[0023] The shielding plate 12 can shield rain at the top of air outlet pipe 2 and air inlet pipe 7.

[0024] As Figures 1 to 4 As shown in the figure, the top of air inlet pipe 7 is fixedly installed with a filter screen 13 inside.

[0025] The filter screen 13 can filter the air entering the inside of the air inlet pipe 7.

[0026] As shown in Figures 1 to 4 The inside of the storage cabinet 1 is fixedly provided with a mounting plate 14, and the mounting plate 14 is fixedly provided with a controller 15, a temperature and humidity sensor 16 and an oxygen concentration sensor 17, respectively; the temperature and humidity sensor 16 is of DHT11 type, and the oxygen concentration sensor 17 is of FST100-G102A type; the air inlet pipe 7 is fixedly provided with an electromagnetic valve 18; and the electromagnetic valve 18, the temperature and humidity sensor 16 and the oxygen concentration sensor 17 are electrically connected with the controller 15.

[0027] The temperature and humidity sensor 16 and the oxygen concentration sensor 17 are used for detecting the temperature and humidity and the oxygen concentration in the inside of the storage cabinet 1; when the temperature and humidity and the oxygen concentration are within a specified range, the controller 15 controls the electromagnetic valve 18 to close the air inlet pipe 7, so as to stop the ventilation of the inside of the storage cabinet 1.

[0028] As shown in Figures 1 to 4 The mounting plate 14 is fixedly provided with a battery assembly 19 containing a voltage regulating assembly and a storage assembly; and the top of the shielding plate 12 is fixedly provided with a solar photovoltaic panel 20.

[0029] The solar photovoltaic panel 20 generates electricity and supplies the electricity to the battery assembly 19, so as to supply power to each component.

[0030] The utility model provides a kind of ventilation device of potato storage cabinet, and specific working principle is as follows:

[0031] When the device is used, the fan blade 5 is rotated by the external wind of the storage cabinet 1, which in turn drives the rotating shaft 4 to rotate, and then controls the impeller 6 to rotate, so that the carbon dioxide and other gases in the inside of the storage cabinet 1 are discharged from the inside of the storage cabinet 1 through the air outlet pipe 2. At the same time, due to the suction force at the bottom end of the air outlet pipe 2, the pressure is smaller, and there is no wind at the bottom end of the air inlet pipe 7, so the pressure is larger. Since the bottom end of the air pressure inlet pipe 7 is close to the bottom end of the air outlet pipe 2, according to Bernoulli's principle, the external wind will enter the inside of the air inlet pipe 7 from the top of the air inlet pipe 7 and be discharged from the bottom of the air inlet pipe 7. At the same time, the air inlet from the air inlet pipe 7 will also be discharged along the first branch pipe 8, the second branch pipe 9 and the air outlet hole 10, which can be used for uniform ventilation of the inside of the storage cabinet 1, and can realize ventilation and aeration operation of the inside of the storage cabinet 1.

[0032] The temperature and humidity sensor 16 and the oxygen concentration sensor 17 are used for detecting the temperature and humidity and the oxygen concentration in the inside of the storage cabinet 1; when the temperature and humidity and the oxygen concentration are within a specified range, the controller 15 controls the electromagnetic valve 18 to close the air inlet pipe 7, so as to stop the ventilation of the inside of the storage cabinet 1.

[0033] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A ventilation device for a potato store comprising a store (1) characterised in that: The top of the storage (1) is fixedly provided with an air outlet pipe (2), the inside of the air outlet pipe (2) is symmetrically fixedly provided with a mounting bracket (3), two mounting brackets (3) are rotatably provided with a rotating shaft (4) through a bearing, the top of the rotating shaft (4) is fixedly provided with a fan blade (5), the middle of the rotating shaft (4) is fixedly provided with an impeller (6), the storage (1) is fixedly provided with an air inlet pipe (7) near the air outlet pipe (2), the bottom of the air inlet pipe (7) is close to the bottom of the air outlet pipe (2), the air inlet pipe (7) is communicatedly provided with a first branch air pipe (8), the first branch air pipe (8) is equidistantly and symmetrically fixedly provided with a second branch air pipe (9), the top of the air outlet pipe (2) and the air inlet pipe (7) is fixedly provided with a shielding plate (12), the inside of the storage (1) is fixedly provided with a mounting plate (14), the mounting plate (14) is respectively fixedly provided with a controller (15), a temperature and humidity sensor (16) and an oxygen concentration sensor (17), the air inlet pipe (7) is fixedly provided with a solenoid valve (18).

2. A ventilation device for a potato store according to claim 1, characterised in that: The vertical section of the second branch air pipe (9) is equidistantly provided with an air outlet hole (10).

3. A ventilation device for a potato store according to claim 1, characterised in that: The top of the air outlet pipe (2) is symmetrically rotatably provided with a blocking ring (11) through a shaft pin, two blocking rings (11) can close the top of the air outlet pipe (2).

4. A potato store ventilation arrangement according to claim 1, characterised in that: The top of the air inlet pipe (7) is fixedly provided with a filter screen (13).

5. A potato storage ventilation arrangement according to claim 1, characterized in that The mounting plate (14) is fixedly provided with a battery assembly (19), the top of the shielding plate (12) is fixedly provided with a solar photovoltaic panel (20).

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