Tobacco flat warehouse AI-based nitrogen insect killing device

Abstract

The application belongs to the technical field of tobacco insecticide, and discloses a nitrogen insecticide device based on AI for tobacco flat storage, which comprises a sealed box body, an air inlet pipe valve and an air outlet pipe valve arranged on the top of the two sides of the sealed box body, a heating assembly arranged in the sealed box body and located at one end of the air inlet pipe valve, and a driving assembly comprising a driving frame movably arranged in the sealed box body and located at the top of the heating assembly. The technical scheme sets the heating assembly and the driving assembly, and the driving assembly can drive the whole heating assembly to move to one side until one end of the heating assembly is completely aligned with the inner cavity of the air inlet pipe valve. At this time, the heating assembly can generate heat under the remote AI control, and the temperature change can be monitored in real time. Then, the nitrogen entering through the air inlet pipe valve can be directly heated so that its temperature reaches a suitable insecticidal effect. Since the nitrogen is directly heated, the heating efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The application relates to an AI-based nitrogen insect killing device for tobacco storage, and belongs to the technical field of tobacco insect killing. BACKGROUND

[0002] At present, the tobacco manufacturing process in China has changed, and generally, the re-dried tobacco leaves are directly sent to the cigarette factory from the re-drying factory. The re-dried tobacco leaves need to be stored and maintained for 1-2 years before being made into cigarette products, so as to complete the natural aging process of the tobacco leaves and achieve the purpose of improving and enhancing the quality of the tobacco leaves. The aging process is generally carried out in a warehouse. The warehouse has a high rack and a flat rack. The tobacco leaves stored in the flat rack for a long time are prone to insect infestation, resulting in a decrease in the quality of the tobacco leaves. At present, the mainstream method for killing insects is physical insect killing, such as infrared insect killing, microwave insect killing, radioactive insect killing, laser insect killing, high-frequency electric heating insect killing and other electromagnetic insect killing technologies. Some of them are not suitable for killing insects, and some of them are too high in cost. There is also a chemical insect killing method, such as phosphine (PH3) and bromomethane (CH3Br) fumigation insect killing method. Although this method has obvious insect killing effect, due to the toxic, flammable and explosive nature of the insecticide, it is easy to cause poisoning and other serious safety accidents during the fumigation insect killing process, and it will also cause certain harm to the surrounding environment and livestock. Nitrogen is non-toxic and harmless to the human body. At normal temperature, nitrogen is a relatively inert gas. There is 78.1% of nitrogen in the air we breathe every day. Nitrogen has the excellent characteristics of greenness, safety and no public nuisance. Therefore, nitrogen can be used to fill the sealed box to kill insects in the tobacco.

[0003] The existing AI-based nitrogen insect killing device is provided with inlet and outlet valves on the top of the sealed box. Nitrogen can be introduced into the box through the nitrogen generator. The device is provided with corresponding nitrogen concentration detection devices and temperature detection devices, and is controlled remotely by AI. However, since the temperature of nitrogen needs to be greater than 16 degrees to kill insects well, the interior needs to be heated when it is cold. It takes a long time to heat the interior to the appropriate temperature, so it needs to be improved. SUMMARY

[0004] The technical problem to be solved by the application is that the existing AI nitrogen insect killing device needs to heat the interior when it is cold, and it takes a long time to heat to the appropriate temperature.

[0005] To solve the above problems, the application provides a tobacco flat warehouse AI-based nitrogen insect killing device, which comprises a sealed box body, an air inlet pipe valve and an air outlet pipe valve arranged at the top of the two sides of the sealed box body, a heating assembly arranged in the sealed box body and located at one end of the inner side of the air inlet pipe valve, and a driving assembly comprising a driving frame movably installed in the sealed box body and located at the top of the heating assembly.

[0006] The heating assembly of the aforementioned AI-based nitrogen insect killing device for a tobacco flat warehouse comprises a heating plate, a sliding groove and a sliding block.

[0007] The heating plate is movably installed in the sealed box body and located at the inner end of the air inlet pipe valve, the sliding groove is arranged in the sealed box body and located directly above the heating plate, and the sliding block is fixedly installed on the top of the sealed box body and located in the sliding groove.

[0008] The aforementioned AI-based nitrogen insect killing device for a tobacco flat warehouse is provided with a roller shutter door on one side of the sealed box body, and a baffle is arranged at the bottom of the side of the sealed box body where the heating plate is arranged.

[0009] The aforementioned AI-based nitrogen insect killing device for a tobacco flat warehouse is made of rubber, and a lifting mechanism is arranged in the sealed box body and located at the side of the heating plate.

[0010] The aforementioned AI-based nitrogen insect killing device for a tobacco flat warehouse comprises a lifting sliding frame, a lifting motor set, a moving block and a clamping assembly.

[0011] The lifting sliding frame is arranged in the sealed box body and located at the side of the heating plate, the lifting motor set is fixedly installed in the lifting sliding frame, the moving block is threadedly connected to the output end surface of the lifting motor set, and the clamping assembly is arranged at the side of the heating plate and located in the moving block.

[0012] The aforementioned AI-based nitrogen insect killing device for a tobacco flat warehouse comprises a fixed block, a clamping block and a first power spring.

[0013] The fixed block is fixedly installed at the side of the heating plate, the clamping block is movably installed in the moving block and located at the outer side of the fixed block, and the clamping block is elastically connected to the inner cavity of the moving block through the first power spring.

[0014] The inner side of the clamping block is designed as an inclined surface.

[0015] The tobacco flat warehouse AI-based nitrogen insect killing device has a shielding assembly arranged in the inside of the sealed box body below the heating plate, the shielding assembly comprising a shielding plate, an arc-shaped spring and a power arc block.

[0016] The shielding plate is hinged in the inside of the sealed box body and located outside the bottom of the heating plate, the arc-shaped spring is fixedly installed in the inner cavity of the sealed box body and located at the bottom of the inside of the shielding plate, and the power arc block is fixedly installed at the other end of the arc-shaped spring.

[0017] The tobacco flat warehouse AI-based nitrogen insect killing device has a locking assembly arranged in the middle of the bottom of the shielding plate in the inside of the sealed box body, the locking assembly comprising a locking block and a second power spring.

[0018] The locking block is movably installed in the inside of the sealed box body and located in the middle of the bottom of the shielding plate, the second power spring is fixedly installed at the bottom end of the locking block, and one side of the top of the locking block extends to the inside of the shielding plate.

[0019] The other end of the second power spring is fixedly connected with the inside of the sealed box body.

[0020] The tobacco flat warehouse AI-based nitrogen insect killing device further comprises a nitrogen condition control unit, and the nitrogen condition control unit comprises:

[0021] A nitrogen concentration measuring instrument arranged in the sealed box, the nitrogen concentration measuring instrument comprising a data sensor.

[0022] A 5G CPE terminal is arranged outside the sealed box body, and the 5G CPE terminal is connected with the data sensor.

[0023] The 5G CPE terminal transmits measurement data to a data processing unit, the data processing unit analyzes and calculates the measurement data, generates a control command according to a preset control condition, and sends the control command to an execution mechanism of the air inlet pipe valve or the air outlet pipe valve and the nitrogen generator.

[0024] The control command comprises whether to open or close the air inlet pipe valve, the air outlet pipe valve and the nitrogen generator of a certain storage position sealed box.

[0025] The preset control condition comprises: determining whether to open or close the nitrogen generator and the air inlet pipe valve and the air outlet pipe valve according to the insect killing day data input in advance for each sealed box.

[0026] The beneficial effects of the present application are as follows:

[0027] 1. By setting the heating assembly and driving assembly, the whole heating assembly can be driven to move to one side by starting the driving assembly until the end of the heating assembly is completely aligned with the inner cavity of the air inlet pipe valve, at this time the heating assembly can generate heat through remote AI control, and the temperature change can be monitored in real time, and then the nitrogen entering through the air inlet pipe valve can be directly heated to make its temperature reach the appropriate insecticidal effect, since the nitrogen is directly heated, the heating efficiency is greatly improved.

[0028] 2. The lifting mechanism, shielding assembly and locking assembly are arranged, when the remote AI controls the whole operation of the lifting mechanism, the whole heating assembly can be driven to move downward so that the bottom end of the heating assembly contacts the locking assembly, at this time the locking and fixing of the whole shielding assembly are released, then the whole shielding assembly is automatically turned over to open, and then the heating assembly can be maintained, avoiding high maintenance and improving safety. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of the present application;

[0030] Figure 2 It is a structural schematic diagram of the side of the present application;

[0031] Figure 3 It is a sectional view structural schematic diagram of the lifting mechanism of the present application;

[0032] Figure 4 It is Figure 3 It is a local enlarged structural schematic diagram of A in the present application;

[0033] Figure 5 It is a local sectional view structural schematic diagram of the driving disc of the present application;

[0034] Figure 6 It is a sectional view structural schematic diagram of the shielding assembly of the present application;

[0035] Figure 7 It is a sectional view structural schematic diagram of the locking assembly of the present application;

[0036] Figure 8 It is a structural schematic diagram of the driving assembly of the present application.

[0037] In the figure: 1, sealed box body; 2, roller shutter door; 3, air inlet pipe valve; 4, air outlet pipe valve; 5, heating assembly; 501, heating plate; 502, sliding groove; 503, sliding block; 6, driving assembly; 601, driving frame; 602, driving motor; 603, driving disc; 7, blocking strip; 8, lifting mechanism; 801, lifting slide; 802, lifting motor set; 803, moving block; 804, clamping assembly; 8041, fixed block; 8042, clamping block; 8043, first power spring; 9, shielding assembly; 901, shielding plate; 902, arc spring; 903, power arc block; 10, locking assembly; 101, locking block; 102, second power spring. DETAILED DESCRIPTION

[0038] 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 a person of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0039] As shown in Figures 1 to 8 The present application provides a tobacco flat warehouse AI-based nitrogen insect killing device, which comprises a sealed box body 1, air inlet pipe valves 3 and air outlet pipe valves 4 arranged at the top of both sides of the sealed box body 1, a heating assembly 5 arranged inside the sealed box body 1 and located at one end inside the air inlet pipe valve 3, and a driving assembly 6 comprising a driving frame 601 movably installed inside the sealed box body 1 and located at the top of the heating assembly 5. One side of the sealed box body 1 is provided with a driving motor 602 located outside the driving frame 601. The output end of the driving motor 602 is fixedly sleeved with a driving disc 603 located inside the sealed box body 1. The protruding part on one side of the driving disc 603 extends to the inside of the driving frame 601.

[0040] When the remote AI controls the overall operation of the driving motor 602, the driving motor 602 as a whole can be rotated. Since the protruding part on one side of the driving motor 602 extends to the inner cavity of the driving frame 601, when the driving motor 602 rotates, the protruding part can move in a circular motion in the inner cavity of the driving frame 601, and the heating assembly 5 as a whole can be moved to align with the inner cavity of the air inlet pipe valve 3.

[0041] As shown in Figure 3 and Figure 4 The heating assembly 5 comprises a heating plate 501, a sliding groove 502 and a sliding block 503.

[0042] The heating plate 501 is movably arranged in the sealing box body 1 and located at the inner end of the air inlet pipe valve 3. The sliding groove 502 is arranged in the sealing box body 1 and located above the heating plate 501. The sliding block 503 is fixedly arranged on the top of the sealing box body 1 and located in the sliding groove 502.

[0043] By arranging the sliding block 503, when the heating plate 501 moves as a whole, the sliding block 503 can move horizontally under the limiting action of sliding in the sliding groove 502.

[0044] As shown in Figure 8 , the sealing box body 1 is provided with a roller shutter door 2 on one side, and the sealing box body 1 is provided with a blocking strip 7 on the bottom of the side where the heating plate 501 is arranged.

[0045] By designing the roller shutter door 2, the operator can smoothly pass through the roller shutter door 2 to open and seal the sealing box body 1, so as to take and place the tobacco later.

[0046] As shown in Figure 3 and Figure 8 , the blocking strip 7 is made of rubber, and the sealing box body 1 is provided with a lifting mechanism 8 located on the side of the heating plate 501.

[0047] By making the blocking strip 7 of rubber, the blocking strip 7 has a corresponding deformability. When the heating plate 501 as a whole is located at the top, the blocking strip 7 can shield the cavity at the bottom of the heating plate 501 to prevent nitrogen from entering. When the heating plate 501 moves downward as a whole, the blocking strip 7 is pressed and deflected as a whole, so that the heating plate 501 moves downward smoothly.

[0048] As shown in Figure 3 , the lifting mechanism 8 comprises a lifting carriage 801, a lifting motor set 802, a moving block 803 and a clamping assembly 804.

[0049] The lifting carriage 801 is arranged in the sealing box body 1 and located on the side of the heating plate 501. The lifting motor set 802 is fixedly arranged in the lifting carriage 801. The moving block 803 is threadedly sleeved on the output end surface of the lifting motor set 802. The clamping assembly 804 is arranged on the side of the heating plate 501 and located in the moving block 803.

[0050] By arranging the lifting motor set 802, when the operator remotely controls the overall operation of the lifting motor set 802 by AI, the output end of the lifting motor set 802 can drive the moving block 803 to move up and down as a whole.

[0051] As shown in Figure 3As shown, the clamping assembly 804 comprises a fixing block 8041, a clamping block 8042 and a first power spring 8043.

[0052] The fixing block 8041 is fixedly installed on one side of the heating plate 501, the clamping block 8042 is movably installed inside the moving block 803 and located outside the fixing block 8041, and the clamping block 8042 is elastically connected with the inner cavity of the moving block 803 through the first power spring 8043.

[0053] By adopting the above scheme, the two clamping blocks 8042 can be pushed to move towards each other by the elastic force of the first power spring 8043, so as to clamp the outer end of the moving block 803 through the inner end of the clamping block 8042.

[0054] As shown in the figure, Figure 3 The inner side of the clamping block 8042 is designed as a slope.

[0055] By adopting the above scheme, when the heating plate 501 moves and resets, the fixing block 8041 will press and push the slope on the inner side of the clamping block 8042, so that the two clamping blocks 8042 can smoothly move away from each other as a whole.

[0056] As shown in the figure, Figure 6 The inner side of the clamping block 8042 is designed as a slope.

[0057] The shielding plate 901 is hinged inside the sealing box body 1 and located outside the bottom of the heating plate 501, the arc spring 902 is fixedly installed in the inner cavity of the sealing box body 1 and located at the bottom of the inner side of the shielding plate 901, and the power arc block 903 is fixedly installed at the other end of the arc spring 902.

[0058] By adopting the above scheme, when the shielding plate 901 is released from the fixing, the elastic force of the compressed arc spring 902 can be released, so that the power arc block 903 can be smoothly pushed to drive the shielding plate 901 to turn and open.

[0059] As shown in the figure, Figure 7 The inner side of the clamping block 8042 is designed as a slope.

[0060] The locking block 101 is movably installed inside the sealing box body 1 and located at the bottom end of the shielding plate 901, and the second power spring 102 is fixedly installed at the bottom end of the locking block 101, and one side of the top of the locking block 101 extends into the inside of the shielding plate 901.

[0061] Adopting the above scheme: by setting the locking block 101, when the overall heating plate 501 moves downward, the locking block 101 can be pushed to move downward as a whole, so that one side of the top of the locking block 101 is separated from the inside of the shielding plate 901, and the locking and fixing effect of the shielding plate 901 can be released.

[0062] As shown in Figure 7 The other end of the second power spring 102 is fixedly connected with the inside of the sealing box body 1.

[0063] Adopting the above scheme: by setting the second power spring 102, when the locking block 101 moves downward as a whole, the second power spring 102 can be compressed, and when the overall heating plate 501 resets upward, the elastic force of the second power spring 102 can be released, so that the overall locking block 101 can be pushed to move upward and reset.

[0064] The working principle and use process of the application are as follows:

[0065] Firstly, when encountering low temperature, the remote AI control driving motor 602 can be driven to operate, the driving disc 603 can be driven to rotate through the operation of the driving motor 602, and the driving frame 601 can be driven to move the sliding block 503 and the heating plate 501 as a whole to one side, until the middle part of the heating plate 501 is aligned with the inner cavity of the air inlet valve 3, at this time, the operator can remotely control the heating plate 501 to heat, and then the nitrogen gas can be introduced and heated through the air inlet valve 3 by the nitrogen gas generator, until the inside of the sealing box body 1 is completely filled, and then the tobacco in the sealing box body 1 can be treated for killing insects.

[0066] Then, when the operator needs to maintain the heating plate 501 as a whole, the driving motor 602 can be started to drive the driving disc 603 to rotate and drive the driving frame 601, the sliding block 503 and the heating plate 501 to move and reset as a whole, at this time, the fixed block 8041 installed on one side of the heating plate 501 can extrude and push the inclined surface of the clamping block 8042 to drive the two clamping blocks 8042 to move away from each other, until the fixed block 8041 is completely moved into the lifting carriage 801, and through the elastic force of the first power spring 8043, the two clamping blocks 8042 can be pushed to clamp the fixed block 8041 towards each other, so that the heating plate 501 and the moving block 803 are clamped and connected.

[0067] Then the AI control can remotely control the lifting motor set 802 as a whole to move downward, so as to drive the moving block 803, the clamping assembly 804 and the heating plate 501 as a whole to move downward until the heating plate 501 moves to the bottommost position, and the bottom end of the heating plate 501 drives the locking block 101 as a whole to move downward, and the top of one end of the locking block 101 is separated from the inside of the shielding plate 901, so that the elastic force of the arc-shaped spring 902 is smoothly released, the power arc block 903 drives the shielding plate 901 to be turned over and opened, and finally the heating plate 501 can be smoothly maintained.

[0068] It also includes a nitrogen condition control unit, which includes:

[0069] A nitrogen concentration measuring instrument is arranged in the sealed box, and the nitrogen concentration measuring instrument includes a data sensor;

[0070] A 5G CPE terminal is arranged outside the sealed box body, and the 5G CPE terminal is connected with the data sensor;

[0071] The 5G CPE terminal transmits the measurement data to a data processing unit, the data processing unit analyzes and calculates the measurement data, generates a control command according to a preset control condition, and sends the control command to the actuator of the air inlet pipe valve or the air outlet pipe valve and the nitrogen generator;

[0072] The control command includes whether to open or close the air inlet pipe valve, the air outlet pipe valve and the nitrogen generator of a certain storage location sealed box.

[0073] The preset control condition includes: according to the insecticidal day data input in advance by each sealed box, determining whether to open or close the nitrogen generator and the air inlet pipe valve and the air outlet pipe valve.

[0074] If the temperature is 15-25℃, the nitrogen insecticidal time is controlled to be ≥30 days; if the temperature is 25-35℃, the nitrogen insecticidal time is controlled to be ≥25 days, and if the temperature is <15℃, it is not recommended to kill insects.

[0075] The control by the nitrogen condition control unit can reduce the number of times of manually opening and closing the nitrogen generator, save labor cost, and timely feedback the concentration data of nitrogen in each sealed box, improve the insecticidal efficiency, and realize greater value income. Through the nitrogen concentration, uniformity and fluctuation degree algorithm, the nitrogen concentration can be accurately maintained, and efficient insecticidal effect can be realized; and the nitrogen insecticidal process can be intelligentized, digitized and unmanned.

[0076] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the scope of the present application is not limited to these specific embodiments.

[0077] While the embodiments of the application have been shown and described herein, it will be understood by those skilled in the art that many changes, modifications, substitutions and alterations to these embodiments can be made without departing from the principles and spirits of the application, and it is intended that the scope of the application be limited solely by the scope of the appended claims and the equivalents thereof.

Claims

1. A nitrogen insecticide device based on AI for tobacco flat warehouse, characterized in that: It includes a sealing box body (1); An air inlet pipe valve (3) and an exhaust pipe valve (4) are arranged on the top of both sides of the sealing box body (1); A heating component (5) is arranged inside the sealing box body (1) and is located at one end inside the air inlet pipe valve (3); The driving assembly (6) includes a driving frame (601), the driving frame (601) is movably mounted inside the sealing box body (1) and is located on the top of the heating assembly (5), a driving motor (602) is provided on one side of the sealing box body (1) and is located outside the driving frame (601), an output end of the driving motor (602) is fixedly sleeved with a driving disc (603) located inside the sealing box body (1), and a protruding portion on one side of the driving disc (603) extends into the interior of the driving frame (601); The heating assembly (5) comprises a heating plate (501), a slide groove (502) and a slider (503); The heating plate (501) is movably mounted inside the sealing box body (1) and is located at the inner end of one side of the air inlet pipe valve (3); the slide groove (502) is opened inside the sealing box body (1) and is located directly above the heating plate (501); the slider (503) is fixedly mounted on the top of the sealing box body (1) and is located inside the slide groove (502); A lifting mechanism (8) located on one side of the heating plate (501) is provided inside the sealing box body (1); The lifting mechanism (8) comprises a lifting slide (801), a lifting motor group (802), a moving block (803) and a clamping assembly (804); The lifting slide (801) is arranged inside the sealing box body (1) and is located on one side of the heating plate (501); the lifting motor group (802) is fixedly installed inside the lifting slide (801); the moving block (803) is threadedly sleeved on the output end surface of the lifting motor group (802); and the clamping assembly (804) is arranged on one side of the heating plate (501) and is located inside the moving block (803); A shielding assembly (9) located below the heating plate (501) is provided inside the sealing box body (1), and the shielding assembly (9) includes a shielding plate (901), an arc spring (902), and a power arc block (903); The shielding plate (901) is hinged inside the sealing box body (1) and is located outside the bottom of the heating plate (501); the arc spring (902) is fixedly installed in the inner cavity of the sealing box body (1) and is located at the bottom inside the shielding plate (901); the power arc block (903) is fixedly installed at the other end of the arc spring (902); A locking assembly (10) is provided inside the sealing box body (1) and is located in the middle of the bottom end of the shielding plate (901). The locking assembly (10) includes a locking block (101) and a second power spring (102). The locking block (101) is movably mounted inside the sealing box body (1) and is located in the middle of the bottom end of the baffle (901). The second power spring (102) is fixedly mounted on the bottom end of the locking block (101). One side of the top of the locking block (101) extends into the inside of the baffle (901).

2. The AI-based nitrogen insecticide device for tobacco flat warehouse according to claim 1 is characterized in that: A rolling shutter door (2) is provided on one side of the sealing box body (1), and a blocking strip (7) is provided on the bottom of one side of the heating plate (501).

3. The AI-based nitrogen insecticide device for tobacco flat warehouse according to claim 2 is characterized in that: The baffle (7) is made of rubber.

4. The AI-based nitrogen insecticide device for tobacco flat warehouse according to claim 1 is characterized in that: The clamping assembly (804) comprises a fixing block (8041), a clamping block (8042) and a first power spring (8043); The fixed block (8041) is fixedly mounted on one side of the heating plate (501), and the clamping block (8042) is movably mounted inside the movable block (803) and is located outside the fixed block (8041). The clamping block (8042) is elastically connected to the inner cavity of the movable block (803) via a first power spring (8043).

5. The AI-based nitrogen insecticide device for tobacco flat warehouse according to claim 4 is characterized in that: The inner side of the clamping block (8042) adopts a bevel design.

6. The AI-based nitrogen insecticide device for tobacco flat warehouse according to claim 1 is characterized in that: The other end of the second power spring (102) is fixedly connected to the interior of the sealing box body (1).

7. The AI-based nitrogen insecticide device for tobacco flat warehouse according to claim 1 is characterized in that: The nitrogen condition control unit is further included, and the nitrogen condition control unit includes: A nitrogen concentration measuring instrument provided in the sealed box, the nitrogen concentration measuring instrument comprising a data sensor; A 5G CPE terminal is provided outside the sealed box body, and the 5G CPE terminal is connected to the data sensor; The 5G CPE terminal transmits the measurement data to the data processing unit, which analyzes and calculates the measurement data, generates a control command according to preset control conditions, and sends the control command to the actuator of the intake pipe valve or the exhaust pipe valve and the nitrogen generator; The control command includes whether to open or close the air inlet valve, air outlet valve and nitrogen generator of a sealed box at a certain storage location; The preset control conditions include: determining whether to open or close the nitrogen generator and the air inlet pipe valve and the air outlet pipe valve according to the insecticide days data pre-input for each sealed box.

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