Granary insect situation monitoring device

Abstract

The utility model relates to a granary pest situation monitoring device, belongs to the technical field of pest trapping, and solves the technical problem that trapping agents of trapping devices in the current market are inconvenient to replace. The granary insect situation monitoring device comprises a trapping cylinder, a sliding rod and a trapping core, a trapping space is formed in the trapping cylinder, and an insect trapping channel communicated with the trapping space is formed in the trapping cylinder; the sliding rod is mounted in the trapping space, and the axial direction of the sliding rod is parallel to the axial direction of the trapping cylinder; the lure is slidably mounted on the sliding rod; the monitoring module is installed on the rod body to monitor the state in the trapping cylinder. Therefore, when the monitoring device is used, a user does not need to contact other parts in the trapping space or open the trap, the operation is simple, and the working efficiency is improved.

Description

Technical Field

[0001] This utility model belongs to the field of pest trapping technology, and specifically relates to a grain storage pest monitoring device. Background Technology

[0002] Grain piles are prone to pests, with the areas most susceptible and first to infestation occurring in warmer areas. In large grain warehouses, the surface of grain piles often experiences higher temperatures; therefore, setting up pest monitoring points in these areas is more conducive to early pest infestation, allowing for detection when pests are still relatively few, and providing timely control measures to prevent further losses. Coleoptera and Lepidoptera insects, which are the main pests in stored grain, typically first appear on the upper and surface layers of the grain pile.

[0003] Patent application number 202022661029.8 provides a multifunctional storage pest trap, including a top cover, an insect-attracting lamp, a USB connection cable, a first control handle, an insect hole, a control lever, an insect collection tray, a trapping agent, a trap body, a second control handle, a light attraction hole, a DC power supply, a power box, and a cable hole. The top cover is located on the top of the trap body and is threadedly connected to the trap body. The power box is located on the inner top of the trap body.

[0004] The existing technology represented by the aforementioned patents has the following problems:

[0005] Because the bait is in direct contact with the collection tray, once the bait is depleted or needs to be replaced, the entire baiting device must be opened and the collection tray removed for operation. This is not only complicated but may also affect the baiting effect. Utility Model Content

[0006] This invention provides a grain storage pest monitoring device to solve the current technical problem of inconvenience in replacing bait.

[0007] This utility model is achieved through the following technical solution: a grain storage insect monitoring device, comprising a trapping tube, a sliding rod, and a lure core, wherein the trapping tube has a trapping space inside, and an insect-attracting channel connected to the trapping space is opened on the trapping tube; the sliding rod is installed in the trapping space, and the axis of the sliding rod is parallel to the axis of the trapping tube; the lure core is slidably installed on the sliding rod; a monitoring module is installed on the rod to monitor the state inside the trapping tube.

[0008] Optionally, the lure core includes at least two sub-cores, which are distributed sequentially along the circumference of the slide bar, and any two adjacent sub-cores are detachably connected.

[0009] Optionally, the sub-core includes a shell, a cover, and a magnet, wherein the shell has a placement space on the side near the slide bar for placing a decoy, and the shell has a through hole communicating with the placement space; the cover is installed on the side of the shell with the placement space to block the placement space; and the magnet is installed on the cover near the adjacent sub-core.

[0010] Optionally, it also includes an insect-collecting cup, which is installed at one end of the trapping tube and is connected to the trapping space to collect the trapped pests.

[0011] Optionally, the insect collecting cup is conical, and the insect collecting cup is provided with multiple sets of raised ribs around its circumference.

[0012] Optionally, the outer wall of the trapping tube is provided with a slot, and the insect collecting cup is engaged in the slot to fix the insect collecting cup.

[0013] Optionally, it also includes a tail section, which is installed at the end of the trap tube away from the insect collection cup. The tail section contains a control component, and the monitoring module is connected to the control component.

[0014] Optionally, it also includes a trapping light, which is installed inside the tail and connected to the control component.

[0015] Optionally, it also includes a separator plate, which is installed on the tail end near the trap tube.

[0016] Compared with the prior art, this utility model has the following advantages:

[0017] This utility model provides a grain storage insect monitoring device comprising a trapping tube, a sliding rod, and a lure. The trapping tube has a trapping space inside, and an insect-attracting channel connected to the trapping space is opened on the trapping tube. The sliding rod is installed in the trapping space, and the axis of the sliding rod is parallel to the axis of the trapping tube. The lure is slidably installed on the sliding rod. A monitoring module is installed on the rod to monitor the state inside the trapping tube.

[0018] With the above structure, the grain storage pest monitoring device provided by this utility model uses a sliding rod as the track for the lure to slide. The axis of the sliding rod is parallel to and coaxial with the axis of the trapping tube. This layout not only ensures the stability of the lure's sliding but also maximizes the use of the vertical height within the trapping space. The lure is cleverly fitted onto the outside of the sliding rod and slidably connected to it. When the user needs to add new bait, simply place the lure containing the new bait on the top of the sliding rod and gently push it, allowing it to slide naturally down the track to the bottom of the trapping tube. The monitoring module monitors the state inside the trapping tube and can also determine the pest situation in the grain pile based on the state inside the trapping tube. Therefore, when using this grain storage pest monitoring device, the user does not need to touch other components within the trapping space or open the trap, making operation simple and improving work efficiency. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of a grain warehouse insect monitoring device provided by this utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of a grain warehouse pest monitoring device provided by this utility model;

[0022] Figure 3 This is a schematic diagram of the trapping tube in an embodiment of this utility model;

[0023] Figure 4 This is a partial structural schematic diagram of the trapping tube in an embodiment of this utility model;

[0024] Figure 5 This is a schematic diagram of the inducer structure in an embodiment of this utility model;

[0025] Figure 6-7 This is a schematic diagram of the sub-core structure in an embodiment of this utility model;

[0026] Figure 8 This is a schematic diagram of the insect-collecting cup in an embodiment of this utility model.

[0027] In the picture:

[0028] 1-Trapping tube; 11-Snap fastener; 12-Trapping space; 13-Insect-attracting channel; 2-Sliding rod; 3-Lure core; 31-Sub-core; 311-Shell; 312-Cover; 313-Magnet; 4-Insect-collecting cup; 41-Protrusion; 5-Raised rib; 6-Monitoring module; 7-Tail; 8-Trapping light; 9-Divider plate; 10-Control component; 101-Main control board; 102-Support frame; 103-Battery pack. Detailed Implementation

[0029] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0030] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0031] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0032] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be described in detail below. Obviously, the described embodiments are merely some embodiments of this invention, and not all embodiments. Based on the embodiments of this invention, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0033] Example

[0034] This utility model provides a grain storage pest monitoring device to solve the current technical problem of inconvenient replacement of bait. The grain storage pest monitoring device includes a bait tube 1, a sliding rod 2, and a bait core 3, wherein:

[0035] The trapping tube 1 has a trapping space 12 inside. The trapping tube 1 is cylindrical and has trapping channels that communicate with the trapping space 12. In this embodiment, the trapping channels include, but are not limited to, round holes and strip holes. The round holes allow pests of a certain size to pass through, while the strip holes provide a wider channel, making it easier for pests to be found and guided into the trapping space 12 while searching for the trap. In use, the trapping tube 1 is inserted into the grain. Since pests in the grain pile often move between grain grains, inserting the trapping tube 1 into the grain allows for more direct contact with these pests, improving the trapping effect. At the same time, the grain grains also provide some support for the trapping tube 1, making the trap more stable during use. Optionally, to meet the needs of different storage environments, the trapping tube 1 in this embodiment can also be suspended in the grain warehouse. By suspending the trapping tube 1 at an appropriate position in the grain warehouse, pests in the area of ​​the grain warehouse can be trapped.

[0036] The slide bar 2 is installed inside the trapping space 12, and the axis of the slide bar 2 is parallel to the axis of the trapping tube 1 to ensure that the lure 3 can slide smoothly along it.

[0037] The lure 3 is slidably mounted on the slide rod 2. In this embodiment, the slide rod 2 is coaxially arranged with the trapping cylinder 1 to ensure that the lure 3 maintains balance during sliding. The lure 3 contains the attractant and is ring-shaped. When in use, the lure 3 is fitted onto the outside of the slide rod 2 and slidably connected to it, allowing the lure 3 to slide freely along the slide rod 2. When new attractant needs to be added, first, place the new lure 3 on the top of the slide rod 2, and then gently push the lure 3 to slide it down the slide rod 2. Since the slide rod 2 is coaxially arranged with the trapping cylinder 1, the lure 3 will slide smoothly to the bottom of the trapping cylinder 1. The attractant inside the lure 3 will be gradually released into the trapping space 12 to attract pests. The design of the slide rod 2 and the lure 3 greatly simplifies the process of adding and replacing the attractant. Users do not need to open the entire shell 311 of the trap or remove other parts; they only need to place the new lure 3. The operation is more convenient, saves time, and reduces the impact on pest trapping caused by stirring the grain.

[0038] The detection module is installed on the rod and is used to detect the status of the trapping tube 1. Optionally, the monitoring module 6 includes, but is not limited to, a camera module, a temperature and humidity sensor, and a camera mounting base. The camera mounting base is installed on the slide rod 2, and the camera module and temperature and humidity sensor are installed inside the camera mounting base. There is a channel for pests to slide down between the camera mounting base and the inner wall of the trapping tube 1. The top of the camera mounting base is designed to be conical to facilitate the smoother fall of pests from the channel during the slide. The camera module is used to monitor the pest situation inside the trapping tube 1 to determine the pest situation in the grain storage. The temperature and humidity sensor is used to collect temperature and humidity information inside the stored grain outside the trapping tube 1 so as to monitor the occurrence of pests in the stored grain based on the collected data. By monitoring and recording temperature and humidity data, the working status of the stored grain can be more accurately grasped, and corresponding measures can be taken in a timely manner.

[0039] With the above structure, the grain storage pest monitoring device provided by this utility model uses the slide bar 2 as the track for the lure core 3 to slide. The axis of the slide bar 2 is parallel to and coaxial with the axis of the trapping tube 1. This layout not only ensures the smoothness of the lure core 3 sliding, but also maximizes the use of the vertical height in the trapping space 12. The lure core 3 is cleverly fitted outside the slide bar 2 and slidably connected to the slide bar 2. When the user needs to add new bait, he only needs to place the lure core 3 containing the new bait on the top of the slide bar 2 and gently push the lure core 3 so that it slides naturally down the track of the slide bar 2 to the bottom of the trapping tube 1. The monitoring module 6 monitors the state inside the trapping tube 1, and can also judge the pest situation in the grain pile by the state inside the trapping tube 1. Therefore, when using this grain storage insect monitoring device, the user does not need to touch other components in the trapping space 12, nor does the user need to open the trap, which reduces the process of adding the trap, simplifies the operation, and improves work efficiency. At the same time, since it is not necessary to frequently open and close the trapping device housing 311, it helps to maintain a stable environment in the trapping space 12, further improving the trapping effect.

[0040] An optional implementation of this embodiment is as follows: The lure core 3 includes at least two sub-cores 31. The lure core 3 is composed of at least two sub-cores 31, which are distributed sequentially along the same circumference of the slide rod 2. Thus, when placing the lure core 3 on the slide rod 2, it can be done by not only sleeved onto the slide rod 2 through one end of the complete lure core 3, but also by placing the sub-cores 31 around the circumference of the slide rod 2 and then fixing adjacent sub-cores 31, thereby facilitating the sliding installation of the lure core 3 on the slide rod 2. Each sub-core 31 contains a attractant, and adjacent sub-cores 31 are detachably connected by means of snap-fit, magnetic attraction, etc.; the detachable connection method should ensure that the sub-cores 31 are in contact with the slide rod 2. The connection is secure and reliable, not easily detached, and can be easily separated when needed without damaging the sub-core 31 itself. The detachable design allows users to easily remove the sub-cores 31 from the slide bar 2 by pressing or separating the magnetic surface, ensuring a quick and convenient disassembly process without damaging the sub-cores 31 or the slide bar 2. After removing the sub-cores 31, new attractant can be poured into them, and after refilling, the sub-cores 31 can be reinstalled on the slide bar 2 for the next trapping operation. This multiple reuse of the sub-cores 31 reduces operating costs and waste generation.

[0041] An optional implementation of this embodiment is as follows: The core 31 includes a housing 311, a cover 312, and a magnet 313. The housing 311 has a placement space on the side near the slide bar 2. The placement space is used to store the attractant. In order to ensure that the attractant can effectively attract and trap pests, the housing 311 also has through holes that communicate with the placement space. These through holes allow the odor or chemical substances of the attractant to pass through and guide pests into the trapping space 12 through the insect-attracting channel 13.

[0042] The cover 312 is installed on the side of the housing 311 where the placement space is provided, so as to effectively seal the attractant in the placement space. The cover 312 and the housing 311 are connected by a snap-fit ​​method, so that the user can easily open and close the cover 312 without damaging the structure of the housing 311 to replace or add the attractant.

[0043] Magnets 313 are installed on the covers 312 of adjacent sub-cores 31 to facilitate easy assembly and disassembly of the sub-cores 31. Magnets 313 attract each other through magnetic force, connecting adjacent sub-cores 31 together. When the user needs to disassemble a sub-core 31, he / she can overcome the magnetic force and separate the sub-cores 31 by applying a little force. When the user needs to install a sub-core 31, he / she only needs to bring adjacent sub-cores 31 close together, and the magnets 313 will automatically attract each other to complete the installation process.

[0044] During installation, the user simply places the first sub-core 31 on the slide bar 2, and then sequentially attaches the other sub-cores 31 to adjacent sub-cores 31 using magnets 313, arranging them circumferentially along the slide bar 2. In this way, multiple sub-cores 31 can be tightly connected together to form a ring-shaped lure core 3. When it is necessary to add the attractant, simply separate the sub-cores 31, then remove the cover 312, put the new attractant into the placement space, and then install the cover 312 back onto the housing 311.

[0045] An optional implementation of this embodiment is as follows: To facilitate the collection of pests, the grain storage pest monitoring device also includes an insect collection cup 4. The insect collection cup 4 is installed on one end of the trapping tube 1 by means of threaded connection, snap-fit ​​connection 11, etc. The insect collection cup 4 is connected to the trapping space 12 to ensure that the pests can smoothly enter the trapping space 12 from the insect-attracting channel 13 and finally fall into the insect collection cup 4. When the pests are attracted by the attractant and enter the trapping space 12 along the insect-attracting channel 13, they will fall into the insect collection cup 4 due to gravity. The design of the insect collection cup 4 makes the pest collection process simple and quick. Users only need to remove the insect collection cup 4 from the trapping tube 1 periodically to centrally process or analyze the collected pests. Through the collection function of the insect collection cup 4, the scattering and residue of pests in the trapping space 12 can be effectively reduced, thereby reducing the pollution to the surrounding environment. The detection module is installed on the end of the rod close to the insect collection cup 4, and the detection module monitors the pest collection situation in the insect collection cup 4.

[0046] An optional implementation of this embodiment is as follows: The insect collecting cup 4 is screwed to the trapping tube 1, so that the insect collecting cup 4 can be removed from the trapping tube 1 for cleaning or replacement. During the screwing process, the user only needs to align the threaded part of the insect collecting cup 4 with the corresponding interface on the trapping tube 1 and rotate it to the appropriate position to complete the installation. This makes it easy for the user to insert the entire trapping device into the grain, ensuring the stability of the trapping device in the grain and preventing displacement, loosening or tipping caused by shaking or external force. Multiple sets of raised ribs 5 are integrally formed in the circumferential direction at the lower part of the insect collecting cup 4. These raised ribs 5 not only enhance the overall strength of the insect collecting cup 4, enabling it to withstand greater external force and pressure, but also provide the user with a convenient turning point. When the user needs to install or remove the insect collecting cup 4, he / she can easily grasp the raised ribs 5 and apply rotational force to smoothly tighten or loosen the threaded connection between the insect collecting cup 4 and the trapping tube 1.

[0047] An optional implementation of this embodiment is as follows: The outer wall of the trapping tube 1 is provided with a slot, and the insect collecting cup 4 is engaged in the slot. Specifically, the outer wall of the trapping tube 1 is provided with two protrusions 41, and a slot is formed between the two protrusions 41. The inner wall of the insect collecting cup 4 is provided with a buckle 11, which matches the protrusions 41 on the trapping tube 1. When installing the insect collecting cup 4, the insect collecting cup 4 is screwed to the trapping tube 1. As the insect collecting cup 4 is rotated, the buckle 11 engages between the two protrusions 41 and abuts against the two protrusions 41, thereby preventing the insect collecting cup 4 from rotating clockwise or counterclockwise, thus ensuring a stable connection between the insect collecting cup 4 and the trapping tube 1 and reducing the possibility of it falling off under vibration or external force. When it is necessary to clean or replace the insect collecting cup 4, the insect collecting cup 4 is rotated in the opposite direction, and force is applied to separate the buckle 11 from the protrusions 41. The insect collecting cup 4 is then rotated until it is separated from the trapping tube 1.

[0048] An optional implementation of this embodiment is as follows: It also includes a tail section 7, which is installed at the end of the trapping tube 1 away from the insect collection cup 4. The control component 10 mainly consists of a main control board 101, a support frame 102, and a battery pack 103. The support frame 102 is installed inside the tail section 7, and the main control board 101 is installed on the support frame 102 by bolts or other fixing methods to ensure that it will not shake or fall off during use. The battery pack 103 is installed in the tail section 7 to provide power support for the main control board 101 and the entire monitoring module 6, ensuring that the device can operate stably for a long time. The monitoring module 6 is connected to the main control board 101 to transmit monitoring data. The main control board 101 integrates a wireless antenna module for remote transmission of monitoring data. The monitoring module 6 periodically sends the insect collection status in the insect collection cup 4 and the temperature and humidity information inside the stored grain outside the trapping tube 1 to the cloud backend through the antenna module of the main control board 101. Users can observe these data through the backend display terminal, thereby realizing real-time monitoring and management of a grain warehouse insect monitoring device.

[0049] An optional implementation of this embodiment is as follows: It also includes a trapping lamp 8, which is installed inside the tail 7. The trapping lamp 8 is connected to the main control board 101 in the control component 10 so that the trapping lamp 8 can be controlled and adjusted by the control component 10. The trapping lamp 8 is used to emit light in the phototactic band to lure pests to approach the trapping device and enter the trapping space 12.

[0050] An optional implementation of this embodiment is as follows: In order to ensure the stable placement of a grain storage pest monitoring device in the grain storage and to effectively prevent it from moving downwards due to grain accumulation or external force, the grain storage pest monitoring device also includes a separator plate 9. The separator plate 9 is installed on the end of the tail 7 near the trapping tube 1. In use, the trapping tube 1 is inserted into the grain, and the separator plate 9 abuts against the grain surface. The separator plate 9 serves as a support and isolation layer between the grains, effectively preventing the trapping tube 1 from moving downwards under the action of gravity or external force.

[0051] With the above structure, the grain storage pest monitoring device provided by this utility model, when in use, involves inserting the trapping tube 1 into the grain, gradually releasing the attractant in the lure core 3 into the trapping space 12 to attract pests, and emitting light in the phototactic band of the trapping lamp 8 to lure pests close to the trapping device and into the trapping space 12. The pests then enter the trapping space 12 through the insect-attracting channel 13 and are collected in the insect collection cup 4. A camera module monitors the collection of pests in the insect collection cup 4, and a temperature and humidity sensor collects temperature and humidity information of the grain pile where the device is located, so as to monitor the occurrence of stored grain pests based on the collected data. Furthermore, the main control board 101 integrates an antenna module for remote transmission of monitoring data. The monitoring module 6 periodically transmits information on pest collection in the insect collection cup 4 and temperature and humidity inside the grain pile outside the trapping tube 1 to the cloud backend via the antenna module of the main control board 101. Users can observe this data through the backend display terminal, thereby realizing real-time monitoring and management of a grain warehouse pest monitoring device. When it is detected that the insect collection cup 4 needs to be cleaned, the protruding rib 5 is grasped and a rotational force is applied to loosen the threaded connection between the insect collection cup 4 and the trapping tube 1. After cleaning the insect collection cup 4, the protruding rib 5 is grasped and a rotational force is applied. As the insect-collecting cup 4 rotates, the latch 11 engages between the two protrusions and abuts against them, thus preventing the insect-collecting cup 4 from rotating clockwise or counterclockwise. This ensures a stable connection between the insect-collecting cup 4 and the trapping tube 1, reducing the possibility of it falling off under vibration or external force. The sliding rod 2 serves as the track for the lure 3 to slide. The axis of the sliding rod 2 is parallel to and coaxial with the axis of the trapping tube 1. This layout not only ensures the smooth sliding of the lure 3 but also maximizes the use of the vertical height within the trapping space 12. The lure 3 is cleverly fitted onto the outside of the sliding rod 2 and slidably connected to it. When a user needs to add new bait, they simply place the first core 31 on the slide bar 2, and then sequentially attach other cores 31 to adjacent cores 31 using magnets 313, arranging them circumferentially along the slide bar 2. Multiple cores 31 can be tightly connected to form a ring-shaped bait core 3 fitted onto the slide bar 2. Gently pushing the bait core 3 allows it to slide naturally down the track of the slide bar 2 to the bottom of the baiting cylinder 1. When adding bait, simply separate the core 31, remove the cover 312, place the new bait into the storage space, and then reinstall the cover 312 onto the housing 311. Therefore, this grain storage insect monitoring device eliminates the need for the user to touch other components within the baiting space 12 or open the baiter, simplifying the bait addition process, simplifying operation, and improving work efficiency. Furthermore, the elimination of the need to frequently open and close the baiter housing 311 helps maintain a stable environment in the baiting space 12, further enhancing the baiting effect.

[0052] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope described in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A grain bin insect monitoring device, comprising: The utility model relates to a kind of pest trapping device, including: Trapping cylinder (1), inside trapping space (12) is equipped with, the trapping cylinder (1) is equipped with with trapping space (12) is connected with lure channel (13); Slide rod (2), install in the trapping space (12), the axial direction of the slide rod (2) is parallel with the axial direction of the trapping cylinder (1); Lure core (3), slidingly installed in the slide rod (2); Monitoring module (6), installed on the rod body, to monitor the state in the trapping cylinder (1).

2. A grain store pest monitoring device according to claim 1, wherein, The lure core (3) includes: At least two sub-nuclei (31), sequentially distributed along the circumferential direction of the slide rod (2), any two adjacent sub-nuclei (31) can be detachably connected.

3. A grain store pest monitoring device according to claim 2, wherein, The sub-nuclei (31) include: Housing (311), the side of the housing (311) close to the slide rod (2) is equipped with placing space, and the placing space is used to place trapping agent, and the housing (311) is equipped with through hole with the placing space being connected with each other; Cover (312), installed on the side of housing (311) with placing space, to block the placing space; Magnet (313), installed on the cover (312) close to adjacent sub-nuclei (31).

4. The grain bin pest monitoring device of claim 1, wherein, Also including: Insect collecting cup (4), installed on one end of the trapping cylinder (1), the insect collecting cup (4) is connected with the trapping space (12) to collect trapped pests.

5. A grain store pest monitoring device according to claim 4, wherein, The insect collecting cup (4) is conical, and the insect collecting cup (4) is circumferentially provided with a plurality of groups of convex ribs (5).

6. A grain store pest monitoring device according to claim 4, wherein, The outer wall of the trapping cylinder (1) is provided with a clamping groove, and the insect collecting cup (4) is clamped in the clamping groove to fix the insect collecting cup (4).

7. A grain bin pest monitoring device according to claim 4, wherein, Also including: Tail (7), installed on the end of the trapping cylinder (1) away from the insect collecting cup (4), control assembly (10) is arranged in the tail (7), and the monitoring module (6) is connected with the control assembly (10).

8. A grain store pest monitoring device according to claim 7, wherein, Also including: Trapping lamp (8), installed in the tail (7), and connected with the control assembly (10).

9. A grain bin pest monitoring device according to claim 7, wherein, Also including: Separation disc (9), installed on the end of the tail (7) close to the trapping cylinder (1).

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