Agricultural storage air tightness monitoring device

Abstract

The utility model relates to the technical field of monitoring devices, and discloses an agricultural storage air tightness monitoring device which comprises a monitoring frame, the inner wall of the monitoring frame is provided with two air-blowing mechanisms and a transmission frame driven by a reciprocating push rod, the two air-blowing mechanisms are driven by the transmission frame, the air-blowing rates and the air-blowing amounts of the two air-blowing mechanisms are the same, and the air-blowing mechanisms are connected with the transmission frame. The end part of one air-blowing mechanism is communicated with a pressure inlet pipe which can be communicated with an agricultural warehouse, the front part of the pressure inlet pipe is provided with a temperature and humidity probe a, the pressure inlet pipe is provided with a sealing assembly, the end part of the other air-blowing mechanism is communicated with an air storage tank, and the air storage tank and the pressure inlet pipe are respectively provided with an air pressure meter. Through the arrangement of the humidifier, the electric heating table, the temperature probe a and the temperature probe b, the monitoring device can monitor airtight monitoring errors caused by humidity and temperature of an agricultural warehouse during airtight monitoring, and through reduction of the errors, the monitoring accuracy of the monitoring device is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of monitoring devices, and more specifically, to an agricultural storage air tightness monitoring device. Background Art

[0002] After storing grain, the grain warehouse needs to carry out phosphine fumigation or nitrogen gas conditioning operations on the grain pile according to the heating and insect pest conditions of the grain. The airtightness of the grain warehouse is crucial to the effectiveness of the phosphine fumigation and nitrogen gas conditioning operations, so the airtightness of the warehouse must be tested before carrying out the corresponding operations.

[0003] In the prior art, a patent document with announcement number CN220454813U discloses a granary air tightness detection machine, comprising a body with walking wheels at the bottom, a control room and a power room are provided inside the body, a controller, a power switch and a pressure transmitter are provided in the control room, a power interface and a pressure sampling tube interface are provided outside the control room, a blower and a drive motor are provided outside the power room, a first pipeline interface and a second pipeline interface are provided outside the power room corresponding to the air inlet and the air outlet of the blower, a first electric valve and a first filter are provided between the air inlet and the first pipeline interface, the above-mentioned detection machine has a high degree of integration, integrating control, detection, power and filtration, but the above-mentioned monitoring device cannot monitor the gas leakage error caused by temperature and humidity in the agricultural warehouse when performing monitoring operations. Based on this, the utility model provides an agricultural storage air tightness monitoring device to solve the technical problems raised in the above-mentioned background technology. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides an agricultural storage airtightness monitoring device, which is equipped with a humidifier, an electric heating table, a temperature probe a and a temperature probe b, so that the monitoring device can monitor the airtightness monitoring error caused by the humidity and temperature of the agricultural warehouse in real time during airtightness monitoring. By reducing the above-mentioned error, the monitoring accuracy of the monitoring device is effectively improved.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an agricultural storage air tightness monitoring device, comprising a monitoring frame, the inner walls of which are respectively installed with two air blowing mechanisms and a transmission frame driven by a reciprocating push rod, the two air blowing mechanisms are driven by the transmission frame, the air blowing rate and air blowing volume of the two air blowing mechanisms are the same, one end of the air blowing mechanism is connected with a pressure inlet pipe that can be connected with the agricultural warehouse, the front part of the pressure inlet pipe is installed with a temperature and humidity probe a, the pressure inlet pipe is installed with a sealing assembly, the other end of the air blowing mechanism is connected with an air storage tank, the air storage tank and the pressure inlet pipe are both installed with a barometer, the interior of the air storage tank is respectively installed with a temperature and humidity probe b and an electric heating table, a humidifier is installed on the side of the monitoring frame, and the moisture outlet port of the humidifier is fixedly connected with the air storage tank.

[0006] As an optimal technical solution of the utility model, a handle is installed on the top of the monitoring frame, an electric control box is installed on the handle, a battery and a single-chip microcomputer are installed inside the electric control box, and the temperature and humidity probe a, temperature and humidity probe b and barometer are all electrically connected to the single-chip microcomputer.

[0007] As a preferred technical solution of the utility model, the inflation mechanism includes an inflation pipe fixedly connected to the monitoring frame, the inner wall of the inflation pipe is slidably connected to a piston seat, the back of the piston seat is fixedly installed with a piston rod slidably connected to the inflation pipe, the tail end of the piston rod is fixedly connected to the transmission frame, the front end of the inflation pipe is connected to a one-way air outlet valve, the inflation pipe is installed with a one-way air inlet valve, the pressure inlet pipe and the air storage tank are respectively connected to the one-way air outlet valves in the two inflation mechanisms, and a group of air vents are opened on the inflation pipe at a position corresponding to the rear side of the piston seat.

[0008] As a preferred technical solution of the utility model, the sealing assembly includes a flange connecting plate fixed to the surface of the inlet and pressure pipe, a sealing cavity opened in the inlet and pressure pipe, and a sealing ring bag arranged on the outside of the inlet and pressure pipe and connected to the sealing cavity. The sealing ring bag is arranged between the temperature and humidity probe a and the flange connecting plate. An air pump is fixedly installed on the surface of the monitoring frame, and the air outlet port of the air pump is connected to the sealing cavity. An air pressure probe electrically connected to the single-chip computer is fixedly arranged at the connection between the sealing cavity and the air pump.

[0009] As a preferred technical solution of the present utility model, the sealing ring capsule is made of silicone.

[0010] As a preferred technical solution of the utility model, the tail of the gas storage tank is connected to a pressure relief valve.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model provides a humidifier, an electric heating table, a temperature probe a and a temperature probe b, so that the monitoring device can monitor the airtightness monitoring error caused by the humidity and temperature of the agricultural warehouse in real time during airtightness monitoring. By reducing the above error, the monitoring accuracy of the monitoring device is effectively improved.

[0013] 2. The utility model effectively ensures the sealing of the connection between the pressure inlet pipe 4 and the agricultural bin by setting a sealing component, thereby avoiding measurement errors caused by connection leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of an agricultural storage air tightness monitoring device of the utility model;

[0015] Figure 2 For this utility model Figure 1 A schematic diagram of the local enlarged structure at point A in the middle;

[0016] Figure 3 For this utility model Figure 1 A schematic diagram of the local enlarged structure at B in the middle;

[0017] Figure 4 For this utility model Figure 1 A schematic cross-sectional structure diagram of ;

[0018] Figure 5 For this utility model Figure 4 A schematic diagram of the local enlarged structure at C in the middle;

[0019] Figure 6 For this utility model Figure 4 Schematic diagram of the local enlarged structure at point D in the middle.

[0020] In the figure: 1. monitoring frame; 2. reciprocating push rod; 3. transmission frame; 4. pressure inlet pipe; 5. temperature and humidity probe a; 6. gas storage tank; 7. barometer; 8. temperature and humidity probe b; 9. electric heating table; 10. humidifier; 11. handle; 12. electric control box; 13. air pipe; 14. piston seat; 15. piston rod; 16. one-way air outlet valve; 17. one-way air inlet valve; 18. vent hole; 19. flange connection plate; 20. sealing ring bag; 21. air pump; 22. air pressure probe; 23. pressure relief valve. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figures 1 to 6 As shown, the utility model provides an agricultural storage air tightness monitoring device, comprising a monitoring frame 1, the inner wall of the monitoring frame 1 is respectively installed with two air blowing mechanisms and a transmission frame 3 driven by a reciprocating push rod 2, the two air blowing mechanisms are driven by the transmission frame 3, and the air blowing rate and air blowing amount of the two air blowing mechanisms are the same;

[0023] The air blowing mechanism comprises an air blowing pipe 13 fixedly connected to the monitoring frame 1, the inner wall of the air blowing pipe 13 is slidably connected to a piston seat 14, the back of the piston seat 14 is fixedly mounted with a piston rod 15 slidably connected to the air blowing pipe 13, and the tail end of the piston rod 15 is fixedly connected to the transmission frame 3;

[0024] The front end of the air pipe 13 is connected to a one-way air outlet valve 16, and a one-way air inlet valve 17 is installed on the air pipe 13. A group of air vents 18 are opened on the air pipe 13 and correspond to the rear side of the piston seat 14.

[0025] By setting the one-way air outlet valve 16, the airflow blown out of the air blow pipe 13 can only be discharged outward in one direction through the one-way air outlet valve 16;

[0026] By setting the one-way air inlet valve 17, the external air flow can only flow into the air duct 13 in one direction;

[0027] The end of an air blowing mechanism is connected to a pressure inlet pipe 4 which can be connected to the agricultural warehouse, and a temperature and humidity probe a5 is installed at the front of the pressure inlet pipe 4;

[0028] The temperature and humidity probe a5 is used to monitor the temperature and humidity data inside the farm warehouse in real time;

[0029] A sealing assembly is installed on the pressure inlet pipe 4. By setting the sealing assembly, the sealing of the connection between the pressure inlet pipe 4 and the agricultural bin is effectively guaranteed, thereby avoiding measurement errors caused by connection leakage;

[0030] The sealing assembly includes a flange connection plate 19 fixed to the surface of the inlet and pressure pipe 4, a sealing cavity opened in the inlet and pressure pipe 4, and a sealing ring capsule 20 arranged outside the inlet and pressure pipe 4 and connected to the sealing cavity. The sealing ring capsule 20 is made of silicone.

[0031] The sealing ring capsule 20 is arranged between the temperature and humidity probe a5 and the flange connection plate 19. An air pump 21 is fixedly installed on the surface of the monitoring frame 1. The air outlet port of the air pump 21 is connected to the sealing cavity. The connection between the sealing cavity and the air pump 21 is fixedly provided with an air pressure probe 22 electrically connected to the single chip microcomputer.

[0032] When the pressure inlet pipe 4 is connected to the air inlet pipe of the farm warehouse, the air pump 21 fully pressurizes the inside of the sealing ring bag 20 until the feedback value of the air pressure probe 22 reaches the set threshold value. The inflatable structure of the sealing ring bag 20 is set to effectively ensure the sealing of the connection between the pressure inlet pipe 4 and the farm warehouse;

[0033] The end of the other air-inflating mechanism is connected to an air storage tank 6, and the pressure inlet pipe 4 and the air storage tank 6 are respectively connected to the one-way air outlet valves 16 in the two air-inflating mechanisms;

[0034] The tail of the gas storage tank 6 is connected to a pressure relief valve 23;

[0035] A barometer 7 is installed on the gas tank 6 and the pressure inlet pipe 4. A temperature and humidity probe b8 and an electric heating table 9 are installed inside the gas tank 6. A humidifier 10 is installed on the side of the monitoring frame 1, and the moisture outlet port of the humidifier 10 is fixedly connected to the gas tank 6.

[0036] A handle 11 is installed on the top of the monitoring frame 1, and an electric control box 12 is installed on the handle 11. A battery and a single-chip microcomputer are installed inside the electric control box 12. The temperature and humidity probe a5, the temperature and humidity probe b8 and the barometer 7 are all electrically connected to the single-chip microcomputer.

[0037] The working principle and use process of this utility model:

[0038] The device is mainly suitable for airtight monitoring of agricultural storage warehouses. Before the monitoring operation, the pressure inlet pipe 4 is connected with the air inlet pipe of the agricultural warehouse. After the pressure inlet pipe 4 is connected with the air inlet pipe of the agricultural warehouse, the air pump 21 fully pressurizes the inside of the sealing ring bag 20 until the feedback value of the air pressure probe 22 reaches the set threshold value. The airtightness of the connection between the pressure inlet pipe 4 and the agricultural warehouse is effectively guaranteed by the inflation structure of the sealing ring bag 20. During the monitoring, the two air-blowing mechanisms synchronously blow air into the agricultural warehouse and the gas storage tank 6 respectively. When the reciprocating push rod 2 stops working, the instantaneous initial values ​​in the pressure inlet pipe 4 and the gas storage tank 6 are recorded. The initial value of the pressure inlet pipe 4 is D1, and the initial value in the gas storage tank 6 is H1. After the reciprocating push rod 2 stops working, the temperature and humidity in the gas storage tank 6 are synchronized with the temperature and humidity in the agricultural warehouse in real time, and then the agricultural warehouse environment simulation is performed in the gas storage tank 6. After the set time, the real-time value D2 of the barometer 7 on the pressure inlet pipe 4 and the real-time value H2 in the gas storage tank 6 are recorded again;

[0039] Thereafter, the gas leakage value S within the specified time is recorded;

[0040] S = D1-D2-H1-H2;

[0041] When the S value exceeds the set threshold, it is judged that the air tightness of the agricultural warehouse does not meet the requirements, otherwise, it meets the requirements;

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An agricultural storage air tightness monitoring device, comprising a monitoring frame (1), characterized in that: The inner wall of the monitoring frame (1) is respectively provided with two air blowing mechanisms and a transmission frame (3) driven by a reciprocating push rod (2). Both air blowing mechanisms are driven by the transmission frame (3). The air blowing rates and air blowing volumes of the two air blowing mechanisms are the same. The end of one of the air blowing mechanisms is connected with a pressure inlet pipe (4) which can be connected with a farm warehouse. A temperature and humidity probe a (5) is installed at the front of the pressure inlet pipe (4). A sealing assembly is installed on the pressure inlet pipe (4). The end of the other air blowing mechanism is connected with an air storage tank (6). Both the air storage tank (6) and the pressure inlet pipe (4) are provided with a barometer (7). The interior of the air storage tank (6) is respectively provided with a temperature and humidity probe b (8) and an electric heating table (9). A humidifier (10) is installed on the side of the monitoring frame (1). The moisture outlet port of the humidifier (10) is fixedly connected with the air storage tank (6).

2. The agricultural storage air tightness monitoring device according to claim 1, characterized in that: A handle (11) is installed on the top of the monitoring frame (1), an electric control box (12) is installed on the handle (11), a storage battery and a single-chip microcomputer are installed inside the electric control box (12), and the temperature and humidity probe a (5), the temperature and humidity probe b (8) and the barometer (7) are all electrically connected to the single-chip microcomputer.

3. The agricultural storage air tightness monitoring device according to claim 2, characterized in that: The inflation mechanism comprises an inflation pipe (13) fixedly connected to the monitoring frame (1); the inner wall of the inflation pipe (13) is slidably connected to a piston seat (14); a piston rod (15) slidably connected to the inflation pipe (13) is fixedly installed on the back of the piston seat (14); the rear end of the piston rod (15) is fixedly connected to the transmission frame (3); the front end of the inflation pipe (13) is connected to a one-way air outlet valve (16); a one-way air inlet valve (17) is installed on the inflation pipe (13); the pressure inlet pipe (4) and the air storage tank (6) are respectively connected to the one-way air outlet valves (16) in the two inflation mechanisms; and a group of air vents (18) are provided on the inflation pipe (13) and at a position corresponding to the rear side of the piston seat (14).

4. The agricultural storage air tightness monitoring device according to claim 3, characterized in that: The sealing assembly comprises a flange connection plate (19) fixed to the surface of the inlet and pressure pipe (4), a sealing cavity opened in the inlet and pressure pipe (4), and a sealing ring capsule (20) arranged on the outside of the inlet and pressure pipe (4) and connected to the sealing cavity, wherein the sealing ring capsule (20) is arranged between the temperature and humidity probe a (5) and the flange connection plate (19), an air pump (21) is fixedly installed on the surface of the monitoring frame (1), an air outlet port of the air pump (21) is connected to the sealing cavity, and an air pressure probe (22) electrically connected to the single-chip computer is fixedly arranged at the connection between the sealing cavity and the air pump (21).

5. The agricultural storage air tightness monitoring device according to claim 4, characterized in that: The sealing ring capsule (20) is made of silicone.

6. The agricultural storage air tightness monitoring device according to claim 1, characterized in that: The tail of the gas storage tank (6) is connected to a pressure relief valve (23).

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