Connecting structure of insect condition monitoring device and length-adjustable insect condition monitoring device

Abstract

The utility model relates to a connecting structure of an insect condition monitoring device, which comprises a functional tube and an extension tube, the end part of the functional tube is provided with a first connecting part and an electric connecting male head, the end part of the extension tube is provided with a second connecting part and an electric connecting female head, and the end part of the extension tube can be inserted into the end part of the functional tube. When the first connecting part and the second connecting part are detachably connected, the electric connecting male head and the electric connecting female head are detachably connected; the utility model further relates to a length-adjustable insect condition monitoring device which comprises the connecting structure of the insect condition monitoring device. The length of the device can be changed by increasing or reducing the number of the functional pipes and the extension pipes, so that a user can monitor different depth positions in a granary; furthermore, the connecting structure of the device pipe body part is provided with a mechanical connecting structure and an electric connecting structure, so that the length extension of the device pipe body part is realized, and a power supply positioned at one end of the device pipe body part transmits electric energy through a plurality of function pipes and extension pipes which are connected in sequence.

Description

Technical Field

[0001] This utility model relates to the field of grain condition monitoring technology in grain warehouses, specifically to a connection structure for an insect infestation monitoring device and an adjustable-length insect infestation monitoring device. Background Technology

[0002] In grain storage facilities, ensuring grain quality requires timely monitoring of pest infestations, including the number and types of insects, infestation areas, and breeding environments. This information allows for targeted pest control or preventative measures. Grain storage pest monitoring devices are specialized equipment for detecting pests within grain warehouses. They typically include pest trapping components, monitoring equipment (such as cameras), data processing units, and data transmission modules. Their primary purpose is to promptly detect and monitor the presence and development of pests, enabling appropriate control measures to ensure safe grain storage.

[0003] For example, patent publication number CN115644162A discloses a grain storage pest trapping device. This device uses a camera aimed at the entrance of the pest collection chamber to take photos of the chamber at regular intervals or in real-time, thereby monitoring the pest collection situation. However, this existing device is of fixed length and can only monitor pests at a specific depth within the grain storage chamber. While this may be sufficient for small grain storage chambers with uniform height, it is unsuitable for large or deep grain storage chambers. Users cannot flexibly adjust the device's length to meet actual needs, significantly limiting the device's application range.

[0004] The above problems are worth solving. Utility Model Content

[0005] To address the issue of the non-adjustable length of existing grain storage pest monitoring devices with trapping chambers, this invention provides a connection structure for a pest monitoring device and a pest monitoring device with adjustable length.

[0006] The technical solution of this utility model is as follows:

[0007] A connection structure for an insect monitoring device includes a functional tube and an extension tube. The functional tube has a first connecting portion at one end, and the extension tube has a second connecting portion at one end. The end of the extension tube can be inserted into the end of the functional tube, and the first connecting portion and the second connecting portion are detachably connected. The end of the functional tube also has an electrical connector, which is located inside the tube and on the side of the first connecting portion away from the tube opening. The end of the extension tube also has an electrical connector, which is located at the edge of the tube opening. When the first connecting portion and the second connecting portion are connected, the electrical connector and the electrical connector are detachably connected.

[0008] As a preferred embodiment of this utility model, both the functional tube and the extension tube are equipped with internal wiring, and the internal wiring is connected to the male or female electrical connector at the port.

[0009] In a preferred embodiment of this utility model, the first connecting part is a connecting hole provided on the wall of the functional tube, and the second connecting part is an elastic bead provided on the wall of the extension tube and protruding from the circumference of the tube body. The extension tube is engaged with the connecting hole of the functional tube through the elastic bead.

[0010] As a preferred embodiment of this utility model, the first connecting part is a pair of snap-fit ​​holes, and the second connecting part is an elastic snap-fit ​​button. The elastic snap-fit ​​button includes an elastic U-shaped component and a pair of buttons respectively disposed at both ends of the U-shaped component. The U-shaped component is located inside the tube body of the extension tube, and the pair of buttons protrude from the inside to the outside of the tube wall of the extension tube.

[0011] As a preferred embodiment of this utility model, the male electrical connector includes a frustum base and a conductive bar disposed on the frustum base; the female electrical connector includes a cylindrical base and a conductive groove disposed in the cylindrical base, the conductive bar is adapted to the conductive groove, and multiple conductive plates are provided on the conductive bar and in the conductive groove.

[0012] As a preferred embodiment of this utility model, the end edge of the functional tube is provided with a foolproof groove, and the outer periphery of the extension tube is provided with a pin, which is adapted to the foolproof groove so that the pin can enter the foolproof groove.

[0013] This utility model also provides an adjustable-length insect monitoring device, including a conical insertion head, a device tube body, and a signal transceiver. The device tube body includes at least one functional tube and several extension tubes. One end of the functional tube is connected to the conical insertion head, and the other end is connected to an extension tube. The other end of the extension tube is connected to the next functional tube or the next extension tube. The uppermost functional tube or extension tube of the device tube body is connected to the signal transceiver. The functional tube and the extension tubes are connected via the connection structure of the insect monitoring device described above.

[0014] As a preferred embodiment of this utility model, the functional tube is provided with an insect trap and a camera component located above the insect trap; both the side wall of the insect trap and the side wall of the functional tube are provided with a plurality of insect holes; the camera component is used to capture information about the insects inside the insect trap.

[0015] As a preferred embodiment of this utility model, the conical insert includes a solid cone and a hollow cylinder. The outer diameter of the hollow cylinder is smaller than the inner diameter of the functional tube so as to be inserted into the end of the functional tube. The maximum diameter of the solid cone is equal to the outer diameter of the functional tube, so that the connection between the conical insert and the functional tube is flush.

[0016] As a preferred embodiment of the present invention, the signal transceiver includes a base and an antenna. The base includes a top seat and a base that are fastened together. A pair of antenna slots are provided on opposite sides of the top seat, and an antenna is installed in each antenna slot.

[0017] As a preferred embodiment of this utility model, the conical insert head is provided with a spiral rib on its circumferential surface, and the spiral rib extends from the front tip of the solid cone of the conical insert head to the rear tip.

[0018] The advantages of this utility model based on the above solution are as follows:

[0019] The length of the device tube of this utility model adjustable insect monitoring device is adjustable. The device tube includes several detachably connected functional tubes and extension tubes. The length of the device can be extended by increasing the number of functional tubes and extension tubes, and shortened by reducing the number of functional tubes and extension tubes. This allows users to monitor the pest situation at different depths in the grain warehouse at the same time.

[0020] Furthermore, the connection structure of the functional tubes and extension tubes in the tube body of this utility model not only has a detachable mechanical connection structure, but also a detachable electrical connection structure. When several functional tubes and several extension tubes are connected in succession, not only is the length of the tube body extended, but also the power supply located at one end of the tube body is able to transmit electrical energy through the multiple functional tubes and extension tubes connected in succession, providing power to the imaging components inside each functional tube, thereby greatly reducing the number of power supplies and lowering the cost. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the structure of Example 2;

[0023] Figure 3 This is a schematic diagram of the structure of the functional tube in the tube body of the device of this utility model;

[0024] Figure 4 This is a schematic diagram showing the connection between the functional tube and the extension tube in Embodiment 1;

[0025] Figure 5 This is a schematic diagram showing the connection between the male and female electrical connectors.

[0026] Figure 6 This is a schematic diagram showing the connection between the functional tube and the extension tube in Embodiment 4;

[0027] Figure 7 This is a schematic diagram of the structure of the flexible snap-fit ​​button;

[0028] Figure 8 This is a schematic diagram showing the connection between the functional tube and the extension tube in Embodiment 5;

[0029] Figure 9 This is a schematic diagram of the signal transceiver structure of this utility model;

[0030] Figure 10 This is a schematic diagram of the conical insert head structure of this utility model.

[0031] In the diagram,

[0032] 1. Conical insert head; 11. Spiral ribs; 101. Solid cone; 102. Hollow cylinder;

[0033] 2. Functional tube; 21. Connection hole; 22. Snap-fit ​​hole; 23. Worm hole; 24. Mistake-proof groove;

[0034] 3. Extension tube; 31. Elastic bead; 32. Elastic snap-fit ​​button; 321. U-shaped part; 322. Button; 33. Pin;

[0035] 4. Signal transceiver; 41. Base; 42. Antenna;

[0036] 5. Insect traps;

[0037] 6. Shooting components; 61. Camera;

[0038] 7. Male electrical connector; 71. Frustum base; 72. Busbar;

[0039] 8. Electrical connector female; 81. Cylindrical base; 82. Conductive groove. Detailed Implementation

[0040] To better understand the purpose, technical solution, and technical effects of this utility model, the following description, in conjunction with the accompanying drawings and embodiments, will provide further explanation. It should be noted that similar reference numerals and letters in the following drawings indicate similar items; therefore, once an item is defined in one drawing, it does not need further definition and explanation in subsequent drawings. It is also stated that the embodiments described below are only for explaining this utility model and are not intended to limit it.

[0041] It should be noted that when a component is referred to as "fixed to" or "set on" another component, it can be directly on the other component or there may be an intermediate component. When a component is referred to as "connected to" another component, it can be directly connected to the other component or there may be an intermediate component.

[0042] The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product is usually placed when in use, or the orientation or positional relationship in which a person skilled in the art would normally understand it, or the orientation or positional relationship in which the product is usually placed when in use. It is only for the purpose of facilitating the description of this application and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0043] The terms “first” and “second” are used for descriptive purposes only and should not be construed as indicating or implying relative importance or specifying the number of technical features. “Multiple” and “several” mean two or more, unless otherwise explicitly specified.

[0044] Example 1

[0045] like Figure 1 As shown, an adjustable-length insect monitoring device includes:

[0046] The cone-shaped insert head 1, serving as the head of the device, has a pointed cone shape, facilitating the insertion of the length-adjustable insect monitoring device into the grain silo. The cone-shaped insert head 1 is preferably made of steel and comprises a solid cone 101 and a hollow cylinder 102. The solid cone 101 has high structural strength, ensuring it can penetrate the grain pile during insertion and is not easily deformed by compressive forces.

[0047] The transceiver 4 is used to wirelessly connect with external devices via wireless signals to send and receive data or control commands. For example, it can connect to a mobile phone via Bluetooth, or to a computer or terminal control device via Wi-Fi, or to a cloud server via cellular signals or the Internet.

[0048] like Figure 3As shown, the device has a tube body, with a conical insertion head 1 connected to one end and a signal transceiver 4 connected to the other end. The tube body includes several functional tubes 2 and several extension tubes 3 spaced apart, and the functional tubes 2 and extension tubes 3 are detachably connected. Each functional tube 2 is equipped with an insect trap 5 and a camera component 6. The insect trap 5 is used to attract and capture grain storage pests, and the camera component 6 is used to photograph the environment inside the insect trap 5 to obtain pest information. The extension tubes 3 connect two functional tubes 2 and extend the length of the adjustable pest monitoring device.

[0049] like Figure 4 As shown, the end of the functional tube 2 is provided with a first connecting part, which is a connecting hole 21 provided on the tube wall. The end of the extension tube 3 is provided with a second connecting part, which is an elastic bead 31 protruding from the circumference of the tube wall. The end diameter of the functional tube 2 is larger than the end diameter of the extension tube 3, so that the end of the extension tube 3 can be inserted into the end of the functional tube 2 and engaged in the connecting hole 21 by the elastic bead 31, thereby realizing a detachable connection and fixation between the functional tube 2 and the extension tube 3. In other optional embodiments, the first connecting part is an elastic bead 31, the second connecting part is a connecting hole 21, and the end diameter of the functional tube 2 is smaller than the end diameter of the extension tube 3, so that the end of the functional tube 2 can be inserted into the end of the extension tube 3 and the elastic bead 31 is engaged in the connecting hole 21.

[0050] In this embodiment, the functional tube 2 and the extension tube 3 are mechanically connected by a first connecting part and a second connecting part. Adjacent functional tubes 2 are separated by the extension tube 3, and the imaging component 6 within each functional tube 2 requires electrical power to operate. Therefore, to avoid installing a power supply inside each functional tube 2 and to reduce the number of power supplies, in addition to the first connecting part, the end of the functional tube 2 is provided with an electrical male connector 7. The electrical male connector 7 is located inside the tube body of the functional tube 2, on the side of the connecting hole 21 away from the tube opening. The electrical male connectors 7 at both ends are connected to the imaging component 6 inside the tube via internal wiring. In addition to the second connecting part, the end of the extension tube 3 is provided with an electrical female connector 8, located at the edge of the tube opening of the extension tube 3. The electrical female connectors 8 at both ends are connected via internal wiring. During the process of inserting the extension tube 3 into the functional tube 2, the female electrical connector 8 enters the functional tube 2 and approaches the male electrical connector 7. When the first connecting part aligns with the second connecting part, the female electrical connector 8 connects with the male electrical connector 7, thereby achieving a simultaneous mechanical and electrical connection between the extension tube 3 and the functional tube 2.

[0051] As can be seen, the connection structure of the insect infestation monitoring device in this embodiment has both a detachable mechanical connection structure and a detachable electrical connection structure. When several functional tubes 2 and several extension tubes 3 are connected in succession, not only is the length of the device tube body extended, but the power supply located at one end of the device tube body also transmits electrical energy through the successively connected multiple functional tubes 2 and extension tubes 3, providing power to the imaging component 6 inside each functional tube 2. Therefore, the length-adjustable insect infestation monitoring device in this embodiment only needs to set one power supply at the top functional tube 2, greatly reducing the number of power supplies required.

[0052] like Figure 5 As shown, in this embodiment, the male electrical connector 7 includes a frustum base 71 and a conductive strip 72 disposed on the frustum base 71. The conductive strip 72 has multiple conductive plates, some of which penetrate the frustum base 71 and connect to the wiring inside the tube. The frustum base 71 is mounted on the inner wall of the tube by a fixing pin. The female electrical connector 8 includes a cylindrical base 81 and a conductive groove 82 disposed within the cylindrical base 81. The conductive strip 72 is adapted to the conductive groove 82, and the conductive groove 82 has multiple conductive plates, some of which penetrate the cylindrical base 81 and connect to the wiring inside the tube. The cylindrical base 81 is mounted on the inner wall of the tube by a fixing pin. When the male electrical connector 7 and the female electrical connector 8 are mated, the conductive strip 72 is inserted into the conductive groove 82, and the conductive plates of the conductive strip 72 are correspondingly connected to the conductive plates of the conductive groove 82, thereby realizing the electrical connection between the wiring inside the functional tube 2 and the wiring inside the extension tube 3.

[0053] In this embodiment, the insect trap 5 is a cover with a receiving groove, which is installed inside the functional tube 2. The bottom of the receiving groove contains an attractant and an adhesive substance; the attractant attracts insects, and the adhesive substance traps them. Both the sidewalls of the insect trap 5 and the sidewalls of the functional tube 2 have several insect holes 23, allowing insects to enter the functional tube 2 through these holes and then into the receiving groove of the insect trap 5. The imaging component 6 is equipped with a camera 61 facing the insect trap 5, with the camera 61 directly facing the opening of the receiving groove to clearly capture images of the insects inside the receiving groove of the insect trap 5.

[0054] In this embodiment, the wall thickness of the functional tube 2 and the extension tube 3 ranges from 3 mm to 5 mm, resulting in high structural strength and resistance to bending. The conical insert head 1 is connected to the bottom end of the functional tube 2 at the bottom of the device body. The hollow cylinder 102 of the conical insert head 1 is also provided with a second connecting part, and the conical insert head 1 is connected to the bottom end of the bottom functional tube 2 through the second connecting part of the hollow cylinder 102.

[0055] like Figure 9As shown, the transceiver 4 is installed at the top of the functional tube 2 at the top of the device body. The transceiver 4 includes a base 41 and an antenna 42. The base 41 includes a top seat and a base that are fastened together. A pair of antenna slots 42 are provided on opposite sides of the top seat, and an antenna 42 is installed in each antenna slot. A circuit board is installed inside the base. This circuit board integrates a first wireless signal transceiver module and a second wireless signal transceiver module. The first wireless signal transceiver module is wirelessly connected to the imaging component 6 of the functional tube 2 to receive image data; the second wireless signal transceiver module is wirelessly connected to devices outside the device to transmit image data. It can be seen that the transceiver 4 transmits the image data acquired by the imaging component 6 to external devices via wireless signals.

[0056] In use, the conical insert 1 is connected to one end of the functional tube A1, and the other end of the functional tube A1 is connected to the extension tube B1. The conical insert is inserted into the grain in the grain bin, and the device tube body is rotated to allow the conical insert to penetrate deeper into the grain pile, along with the functional tube A1 and the extension tube B1. The other end of the extension tube B1 is connected to the functional tube A2, and the other end of the functional tube A2 is connected to the extension tube B2. The device tube body is then rotated further to allow the functional tube A2 and the extension tube B2 to penetrate into the grain pile. The above steps are repeated, with the user gradually extending the length of the device tube body as needed while inserting it into the grain pile. When the length of the device tube body meets the requirements, the top functional tube 2 does not need to be connected to the extension tube 3; instead, the signal transceiver 4 is installed on the top functional tube 2.

[0057] like Figure 10 As shown above, the conical insert head 1 includes a solid cone 101 and a hollow cylinder 102. The outer diameter of the hollow cylinder 102 is smaller than the inner diameter of the functional tube 2, so that it can be inserted into the end of the functional tube 2 to connect the conical insert head 1 with the device tube body. The maximum diameter of the solid cone 101 is equal to the outer diameter of the functional tube 2, so that after the conical insert head 1 is connected to the device tube body, the joint between the two is flush, avoiding the formation of a step with a height difference on the circumference, which would cause resistance during the insertion or removal of grain.

[0058] As can be seen, the device body of this utility model has several detachably connected functional tubes 2 and extension tubes 3. By increasing the number of functional tubes 2 and extension tubes 3, the length of the adjustable insect monitoring device can be extended; by reducing the number of functional tubes 2 and extension tubes 3, the length of the adjustable insect monitoring device can be shortened, thereby meeting the user's need to monitor pests at different depths in the grain warehouse at the same time. Moreover, the functional tubes 2 and extension tubes 3 are easy to assemble and disassemble, and the user can adjust them at any time during the operation of the device. The operation is highly flexible and easy to learn, making it suitable for widespread application.

[0059] Example 2

[0060] like Figure 2 As shown, an adjustable-length pest monitoring device has the same structure as Embodiment 1: it includes a conical insertion head 1, a device tube body, and a signal transceiver 4. The difference is that the device tube body of this embodiment has a functional tube 2 and several extension tubes 3. Similarly, the two ends of the functional tube 2 are connected to the conical insertion head 1 and the extension tubes 3, respectively. Several extension tubes 3 are connected in succession to extend the length of the deep-buried grain warehouse pest monitoring device. Therefore, the deep-buried grain warehouse pest monitoring device of this embodiment can only monitor the location of pests in the grain warehouse at a horizontal height.

[0061] In this embodiment, the functional tube 2 has a first connecting part at both ends, and the extension tube 3 has a second connecting part at one end and a first connecting part at the other end. The extension tube 3 is connected to the first connecting part of the functional tube 2 through the second connecting part, and the extension tube 3 is connected to the second connecting part of another extension tube 3 through the first connecting part. The user can increase or decrease the number of extension tubes 3 according to the grain silo depth position to be monitored, so that the functional tube 2 can reach the required grain silo interior position.

[0062] Compared to Example 1, Example 1 is more suitable for fixed, long-term monitoring of grain silos, enabling simultaneous monitoring of pests at multiple depths within the silo. Example 2 is more suitable for mobile, short-term monitoring of a single point within a grain silo, monitoring only the most critical depth, thus reducing costs.

[0063] Example 3

[0064] like Figure 10 As shown, an adjustable-length insect monitoring device has the same structure as Embodiment 1: it includes a conical insertion head 1, several functional tubes 2, several extension tubes 3, and a signal transceiver 4. The difference is that the conical insertion head 1 has a spiral rib 11 on its circumferential surface, and the spiral rib 11 extends from the front tip of the solid cone 101 of the conical insertion head 1 to the rear tip.

[0065] In this embodiment, the adjustable-length insect monitoring device has a spiral rib 11 that enhances the ability of the conical insertion head 1 to screw into the dense grain pile when it is inserted into the grain silo, making it easier for the user to operate and improving the user experience.

[0066] Example 4

[0067] like Figure 6 As shown, an adjustable-length insect monitoring device has the same structure as Embodiment 1: it includes a conical insertion head 1, several functional tubes 2, several extension tubes 3, and a signal transceiver 4. The functional tubes 2 have first connecting parts at both ends, and the extension tubes 3 have second connecting parts at both ends. The difference lies in:

[0068] The first connecting part is a pair of snap-fit ​​holes 22, and the second connecting part is a flexible snap-fit ​​button 32. The flexible snap-fit ​​button 32 includes a flexible U-shaped part 321 and a pair of buttons 322 respectively disposed at both ends of the U-shaped part 321. The U-shaped part 321 is located inside the tube body, and the pair of buttons 322 protrude from the inside to the outside of the tube wall. When the ends of the two tube bodies are inserted, the flexible snap-fit ​​button 32 of one tube body connects with the snap-fit ​​hole 22 of the other tube body, realizing the connection of the two tube bodies. When it is necessary to disassemble the two tube bodies, the user presses the two buttons 322, causing the buttons 322 to retract into the tube, and the flexible snap-fit ​​button 32 disengages from the snap-fit ​​hole 22, thus realizing the separation of the ends of the two tube bodies. The U-shaped part 321 is made of stainless steel, copper, aluminum, or other metals.

[0069] Compared with Embodiment 1, the connection structure of the first and second connecting parts in this embodiment has larger snap-fit ​​holes and elastic snap-fit ​​buttons, and a larger snap-fit ​​contact area, thus resulting in a higher connection strength between the two tubes.

[0070] Example 5

[0071] like Figure 8 As shown, an adjustable-length insect monitoring device has the same connection structure as in Embodiment 4. The functional tube 2 has a first connecting part and an electrical male connector 7, and the extension tube 3 has a second connecting part and an electrical female connector 8. The difference is that the end edge of the functional tube 2 has a foolproof groove 24, and the outer periphery of the extension tube 3 has a pin 33 corresponding to the foolproof groove 24. Only when the pin 33 of the extension tube 3 is aligned with the foolproof groove 24 of the functional tube 2 can the conductive strip 72 of the electrical male connector 7 be successfully aligned with the conductive groove 82 of the electrical female connector 8. During the insertion of the extension tube 3 into the functional tube 2, the conductive strip 72 is smoothly connected to the conductive groove 82, avoiding damage to the conductive strip 72 and the conductive groove 82 due to incorrect orientation.

[0072] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0073] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A connection structure for an insect infestation monitoring device, characterized in that, It includes a functional tube and an extension tube. The end of the functional tube is provided with a first connecting part, and the end of the extension tube is provided with a second connecting part. The end of the extension tube can be inserted into the end of the functional tube, and the first connecting part and the second connecting part are detachably connected. The end of the functional tube is also provided with an electrical connection male connector, which is located inside the tube body and on the side of the first connection part away from the tube opening; the end of the extension tube is also provided with an electrical connection female connector, which is located at the edge of the tube opening. When the first connecting part and the second connecting part are connected, the male electrical connector and the female electrical connector are detachably connected.

2. The connection structure of the insect monitoring device according to claim 1, characterized in that, Both the functional tube and the extension tube are equipped with internal wiring, which is connected to the male or female electrical connector at the end.

3. The connection structure of the insect monitoring device according to claim 1, characterized in that, The first connecting part is a connecting hole provided on the wall of the functional tube, and the second connecting part is an elastic bead provided on the wall of the extension tube and protruding from the circumference of the tube body. The extension tube is engaged with the connecting hole of the functional tube through the elastic bead.

4. The connection structure of the insect monitoring device according to claim 1, characterized in that, The first connecting part is a pair of snap-fit ​​holes, and the second connecting part is an elastic snap-fit ​​button. The elastic snap-fit ​​button includes an elastic U-shaped component and a pair of buttons respectively disposed at both ends of the U-shaped component. The U-shaped component is located inside the tube body of the extension tube, and the pair of buttons protrude from the inside to the outside of the tube wall of the extension tube.

5. The connection structure of the insect monitoring device according to claim 1, characterized in that, The male electrical connector includes a frustum base and a conductive busbar disposed on the frustum base; the female electrical connector includes a cylindrical base and a conductive groove disposed in the cylindrical base, the conductive busbar is adapted to the conductive groove, and multiple conductive plates are provided on the conductive busbar and in the conductive groove.

6. The connection structure of the insect monitoring device according to claim 1, characterized in that, The end edge of the functional tube is provided with a foolproof groove, and the outer periphery of the extension tube is provided with a pin. The pin is adapted to the foolproof groove so that the pin can enter the foolproof groove.

7. A length-adjustable insect monitoring device, characterized in that, The device includes a conical insertion head, a device tube body, and a signal transceiver. The device tube body includes at least one functional tube and several extension tubes. One end of the functional tube is connected to the conical insertion head, and the other end is connected to an extension tube. The other end of the extension tube is connected to the next functional tube or the next extension tube. The uppermost functional tube or extension tube of the device tube body is connected to the signal transceiver. The functional tube and the extension tube are connected by the connection structure of the insect monitoring device as described in any one of claims 1 to 6.

8. The length-adjustable insect monitoring device according to claim 7, characterized in that, The functional tube contains an insect trap and a camera assembly located above the insect trap; both the side wall of the insect trap and the side wall of the functional tube are provided with several insect holes, and the camera assembly is used to capture information about the insects inside the insect trap.

9. The length-adjustable insect monitoring device according to claim 7, characterized in that, The conical insert includes a solid cone and a hollow cylinder. The outer diameter of the hollow cylinder is smaller than the inner diameter of the functional tube so as to be inserted into the end of the functional tube. The maximum diameter of the solid cone is equal to the outer diameter of the functional tube, so that the connection between the conical insert and the functional tube is flush.

10. The length-adjustable insect monitoring device according to claim 7, characterized in that, The transceiver includes a base and an antenna. The base includes a top seat and a base that are fastened together. A pair of antenna slots are provided on opposite sides of the top seat, and an antenna is installed in each antenna slot.

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