Concrete temperature field monitoring equipment based on infrared thermal imaging of unmanned aerial vehicle and monitoring method thereof

Abstract

The invention discloses a concrete temperature field monitoring device based on unmanned aerial vehicle infrared thermal imaging and a monitoring method thereof, and relates to the field of concrete temperature field monitoring, the concrete temperature field monitoring device comprises a machine body and supports symmetrically arranged at the lower end of the machine body, and the lower end of the machine body is provided with a mounting plate; a micro motor is arranged at the lower end of the mounting plate, an output square shaft is arranged at the output end of the micro motor, a rotating sleeve rod is slidably mounted on the outer side of the output square shaft, and a main infrared instrument is fixedly mounted at the lower end of the rotating sleeve rod. According to the concrete temperature field monitoring equipment based on infrared thermal imaging of the unmanned aerial vehicle and the monitoring method thereof, the monitoring condition of the equipment can be adjusted through the arrangement of the main infrared instrument and the auxiliary infrared instrument, and the monitoring accuracy of the equipment can be improved by monitoring the position of the same concrete temperature field through the main infrared instrument and the auxiliary infrared instrument; and by adjusting the position and the angle of the auxiliary infrared instrument, the monitoring range of the equipment can be effectively expanded, and the monitoring efficiency of the equipment is effectively improved.

Description

Technical Field

[0001] This invention relates to the field of concrete temperature field monitoring technology, specifically to a concrete temperature field monitoring device and method based on UAV infrared thermal imaging. Background Technology

[0002] With the development of technology, drones are increasingly used in daily work. Monitoring large-scale concrete temperature field changes using drones can effectively improve work efficiency and reduce operational errors caused by human monitoring. However, existing drones still have certain shortcomings in use. When encountering situations with limited space, the drone's flight space is restricted, which can limit the monitoring angle and orientation, making it difficult to adjust the monitoring angle and orientation of infrared thermal imaging.

[0003] Patent CN114771836A discloses an infrared thermal imaging device for drone patrols. During the drone's ascent with the thermal imager, the control device elastically resets, allowing its top to smoothly engage with a through-hole, locking the threaded cylinder in place and preventing it from loosening and falling off due to external forces. Furthermore, when the drone descends and touches the ground, the bottom of the control device contacts the ground first. Under the influence of gravity, the control device controls the rotating movement of the protective frames on both sides, allowing them to enclose the thermal imager and prevent it from falling and being damaged, thus preventing data loss.

[0004] Patent CN212267868U discloses a monitoring drone capable of mounting infrared thermal imaging. During the rotation of the infrared thermal imaging element, a connecting rod rotates around the bottom end of an inner threaded sleeve, adjusting the rotation angle of the infrared thermal imaging element and thus its orientation towards the monitoring location. A second motor is activated, driving a connecting screw to rotate. Through the threaded transmission principle, the connecting screw retracts or exits the inner threaded sleeve, causing the inner threaded sleeve to move the connecting rod upwards or downwards. The connecting rod pushes the infrared thermal imaging element to tilt. During the tilting and rotation of the infrared thermal imaging element, a slider slides along a groove, thereby adjusting the tilt angle of the infrared thermal imaging camera. By adjusting the rotation and tilt angles of the infrared thermal imaging element, multi-directional and multi-angle monitoring can be achieved, effectively improving the problem of existing infrared thermal imaging monitoring drones being inconvenient to adjust the monitoring angle and orientation, and facilitating operators to monitor areas that are difficult to monitor manually.

[0005] In the aforementioned patent, the drone solves the problems mentioned above. However, the drone in this patent still has the following problems: during the use of the drone, it is necessary to monitor the temperature field of the concrete through an infrared thermal imaging component set at the lower end of the drone. The angle of the infrared thermal imaging component can be adjusted during the monitoring process. However, there is only one set of infrared thermal imaging components at the lower end of the drone. When the angle of the infrared thermal imaging component is adjusted, the monitoring direction of the device will change, making it difficult to adjust the monitoring range of the device. At the same time, errors are prone to occur during the monitoring of a single monitoring structure, affecting the efficiency and accuracy of the device's monitoring.

[0006] To address the aforementioned issues, there is an urgent need for innovative design based on the existing monitoring equipment structure. Summary of the Invention

[0007] The purpose of this invention is to provide a concrete temperature field monitoring device and method based on UAV infrared thermal imaging, in order to solve the problems mentioned in the background art, where a set of infrared thermal imaging components is set at the lower end of the UAV, and the monitoring direction of the device changes when the angle of the infrared thermal imaging components is adjusted, making it difficult to adjust the monitoring range of the device. At the same time, errors are prone to occur during the monitoring of a single monitoring structure, affecting the efficiency and accuracy of the device's monitoring.

[0008] To achieve the above objectives, the present invention provides the following technical solution:

[0009] A concrete temperature field monitoring device based on UAV infrared thermal imaging includes a body and symmetrically arranged supports at the lower end of the body, with a mounting plate at the lower end of the body. A micro motor is installed at the lower end of the mounting plate, and the output end of the micro motor has an output square shaft. A rotating sleeve is slidably installed on the outer side of the output square shaft. A main infrared detector is fixedly installed at the lower end of the rotating sleeve. Two sets of secondary infrared detectors are located on both sides of the main infrared detector at the lower end of the mounting plate. An adjustment structure at the lower end of the mounting plate can control the monitoring range of the main and secondary infrared detectors. A buffer structure at the lower end of the mounting plate can reduce the vibration experienced by the main and secondary infrared detectors during the start-up and shutdown of the UAV.

[0010] Preferably, the directional adjustment structure includes a telescopic square rod, which is fixedly installed at the lower end of the mounting plate. A mounting bracket is fixedly installed at the lower end of the telescopic square rod, and guide rings are fixedly installed at the lower ends of the two sets of mounting brackets. The guide rings are slidably connected to the two sets of auxiliary infrared instruments.

[0011] Preferably, a rotating component is rotatably mounted on the upper end of the secondary infrared instrument, and a reciprocating lead screw is rotatably mounted on the side of the rotating component near the rotating sleeve rod, and a reciprocating connecting component is connected to the outer side of the reciprocating lead screw.

[0012] Preferably, a rotating frame is rotatably mounted on the outer side of the rotating sleeve rod, and the upper end of the rotating frame is rotatably connected to the mounting bracket, and a rotating cylinder rotatably mounted inside the rotating frame is fixedly connected to the connecting piece.

[0013] Preferably, the rotating disk fixedly installed inside the rotating frame is located outside the rotating sleeve rod, and an inclined clamp is slidably installed inside the rotating disk. A first spring is provided at the end of the inclined clamp near the rotating disk, the end of the inclined clamp away from the rotating disk has an inclined structure, and the end of the inclined clamp away from the first spring is engaged with the rotating sleeve rod.

[0014] Preferably, the main bevel gear fixedly installed on the outside of the rotating sleeve is located inside the rotating frame, and the two sets of driven bevel gears meshing with the outside of the main bevel gear are respectively fixedly connected to the two sets of rotating cylinders.

[0015] Preferably, the buffer structure includes a damping rod, which is fixedly installed at the lower end of the mounting plate, and a second spring is sleeved on the outer side of the damping rod. At the same time, a pressing piece fixedly installed at the lower end of the damping rod is located at the lower end of the second spring.

[0016] Preferably, a lifting rod is fixedly installed on the upper end of the pressing plate, and a lifting block fixedly installed on the upper end of the lifting rod is slidably connected to the damping rod. An inclined telescopic rod is rotatably installed on the outer side of the lifting block, and a third spring is sleeved on the outer side of the inclined telescopic rod. The lower end face of the pressing plate is lower than the lower end face of the main infrared instrument and the secondary infrared instrument. The pressing plate, the damping rod and the inclined telescopic rod are arranged symmetrically on the left and right sides about the vertical central axis of the mounting plate.

[0017] Preferably, a pressing rod is rotatably mounted on the upper end of the inclined telescopic rod, and a fixed cylinder is slidably mounted on the outer side of the pressing rod. The fixed cylinder is fixedly mounted on the lower end of the mounting plate. An air vent is provided inside the fixed cylinder, and a fourth spring is sleeved on the outer side of the fixed cylinder and the pressing rod. A fixing member is fixedly mounted inside the fixed cylinder, and a sliding rod is slidably mounted inside the fixing member. A sealing member is provided at the end of the sliding rod near the air vent, and the radius of the sealing member is smaller than the radius of the air vent. A positioning piece is fixedly mounted at the end of the sliding rod away from the sealing member, and a fifth spring sleeved on the outer side of the sliding rod is located between the positioning piece and the fixing member.

[0018] A method for monitoring the temperature field of concrete based on UAV infrared thermal imaging includes the following steps:

[0019] S1: By engaging the rotating sleeve with the tilting clamp, the rotating sleeve can drive the rotating frame and rotating disk to rotate, causing the two sets of auxiliary infrared meters to slide on the outside of the guide ring, changing the horizontal position of the two sets of auxiliary infrared meters. When the rotating sleeve rotates in the opposite direction, it will separate from the tilting clamp, which will then drive the auxiliary infrared meters to rotate, changing the vertical monitoring angle of the auxiliary infrared meters, thereby expanding the monitoring range and improving the monitoring accuracy of the equipment.

[0020] S2: By pressing the plate into contact with the ground, the damping rod and the tilting telescopic rod can retract, achieving two-stage shock absorption at the bottom of the equipment. Furthermore, the extrusion rod moves inside the fixed cylinder to provide shock absorption again. Through the multi-stage shock absorption structure, the shock absorption effect of the equipment can be effectively improved and the internal structure of the equipment can be protected.

[0021] S3: By rapidly expelling the gas inside the fixed cylinder, the sealing element can move and change its position relative to the vent, thereby slowing down the expulsion of gas from the fixed cylinder, reducing the movement speed of the extrusion rod, and performing shock absorption again, thus reducing the overall vibration experienced by the equipment.

[0022] Compared with the prior art, the beneficial effects of the present invention are:

[0023] 1. By setting up a main infrared meter and a secondary infrared meter, the monitoring status of the device can be adjusted. Using the main infrared meter and the secondary infrared meter to monitor the same concrete temperature field location can improve the accuracy of the device's monitoring. By adjusting the position and angle of the secondary infrared meter, the monitoring range of the device can be effectively expanded, thus effectively improving the monitoring efficiency of the device.

[0024] 2. This invention can effectively reduce vertical vibrations by setting up damping rods and inclined telescopic rods. Furthermore, by having the compression rod slide inside the fixed cylinder, springs can be used for further vibration reduction. Through the multi-stage vibration reduction structure, the impact of vibrations on the equipment can be effectively reduced, ensuring the stability of the internal structure of the equipment.

[0025] 3. By setting up a pressing plate, the present invention can push the main infrared sensor and the auxiliary infrared sensor upward during the contact between the pressing plate and the ground, thereby reducing the possibility of accidental contact with the main infrared sensor and the auxiliary infrared sensor and protecting them.

[0026] 4. By adjusting the forward and reverse rotation of the rotating sleeve, the position and angle of the secondary infrared meter can be changed, thereby adjusting the overall monitoring situation of the device and making it suitable for monitoring in different situations, further expanding the applicability of the device.

[0027] 5. By moving the sealing element inside the vent, the air outlet gap of the vent can be adjusted, thereby slowing down the movement speed of the extrusion rod. The extrusion of gas further reduces vibration, thus improving the vibration reduction effect of the device. Attached Figure Description

[0028] Figure 1 This is a top-view three-dimensional structural diagram of the present invention;

[0029] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention viewed from below;

[0030] Figure 3 This is a bottom-view three-dimensional structural diagram of the mounting plate of the present invention;

[0031] Figure 4 This is a schematic diagram of the three-dimensional structure of the present invention, viewed from a top angle.

[0032] Figure 5 This is a top-view three-dimensional structural diagram of the rotating disk of the present invention;

[0033] Figure 6 This is a top-view three-dimensional structural diagram of the main bevel gear of the present invention;

[0034] Figure 7 This is a top-view three-dimensional structural diagram of the tilting card component of the present invention;

[0035] Figure 8 This is a top-view three-dimensional structural diagram of the lifting block of the present invention;

[0036] Figure 9 This is a top view of the three-dimensional structure of the fixed cylinder of the present invention;

[0037] Figure 10 This is a top-view three-dimensional structural diagram of the sealing element of the present invention.

[0038] In the diagram: 1. Body; 2. Bracket; 3. Mounting plate; 4. Micro motor; 5. Output square shaft; 6. Rotating sleeve rod; 7. Main infrared sensor; 8. Telescopic square rod; 9. Mounting bracket; 10. Guide ring; 11. Secondary infrared sensor; 12. Rotating component; 13. Reciprocating lead screw; 14. Rotating frame; 15. Connecting component; 16. Rotating cylinder; 17. Driven bevel gear; 18. Main bevel gear; 19. Rotating disk; 20. Inclined clamp; 21. First spring; 22. Damping rod; 23. Second spring; 24. Pressing plate; 25. Lifting rod; 26. Lifting block; 27. Inclined telescopic rod; 28. Third spring; 29. ​​Fixed cylinder; 30. Extrusion rod; 31. Fourth spring; 32. Air outlet; 33. Fixing component; 34. Slide rod; 35. Positioning plate; 36. Sealing component; 37. Fifth spring. Detailed Implementation

[0039] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0040] Example 1: In a specific embodiment, the present invention provides the following technical solution: a concrete temperature field monitoring device based on UAV infrared thermal imaging, such as... Figures 1-7 As shown, in order to solve the problem that existing equipment is difficult to adjust the monitoring range, the process of making the monitoring range applicable to the device is disclosed, realizing the effect that the device can adjust the monitoring range for different situations. The specific content is as follows:

[0041] The unit consists of a body 1 and a bracket 2 symmetrically arranged at its lower end. A mounting plate 3 is located at the lower end of the body 1. A micro motor 4 is mounted at the lower end of the mounting plate 3, and an output square shaft 5 is mounted at the output end of the micro motor 4. A rotating sleeve 6 is slidably mounted on the outer side of the output square shaft 5. A main infrared sensor 7 is fixedly mounted at the lower end of the rotating sleeve 6. Two sets of secondary infrared sensors 11 are located on either side of the main infrared sensor 7 at the lower end of the mounting plate 3. A directional adjustment structure at the lower end of the mounting plate 3 can control the monitoring range of the main infrared sensor 7 and the secondary infrared sensors 11. A buffer structure at the lower end of the mounting plate 3 can reduce the vibration experienced by the main infrared sensor 7 and the secondary infrared sensors 11 during the start-up and shutdown of the UAV. The directional adjustment structure includes a telescopic square rod 8, which is fixedly mounted at the lower end of the mounting plate 3. A mounting bracket 9 is fixedly mounted at the lower end of the telescopic square rod 8, and guide rings 10 are fixedly mounted at the lower ends of the two sets of mounting brackets 9. The guide rings 10 are slidably connected to the two sets of secondary infrared sensors 11. A rotating... The rotating member 12 has a reciprocating screw 13 rotatably mounted on the side of the rotating sleeve rod 6, and a reciprocating connecting member 15 is connected to the outside of the reciprocating screw 13. A rotating frame 14 is rotatably mounted on the outside of the rotating sleeve rod 6, and the upper end of the rotating frame 14 is rotatably connected to the mounting bracket 9. A rotating cylinder 16 rotatably mounted inside the rotating frame 14 is fixedly connected to the connecting member 15. A rotating disk 19 fixedly mounted inside the rotating frame 14 is located outside the rotating sleeve rod 6, and an inclined clamp 20 is slidably mounted inside the rotating disk 19. A first spring 21 is provided at one end of the inclined clamp 20 near the rotating disk 19. The end of the inclined clamp 20 away from the rotating disk 19 has an inclined structure, and the end of the inclined clamp 20 away from the first spring 21 is engaged with the rotating sleeve rod 6. A main bevel gear 18 fixedly mounted on the outside of the rotating sleeve rod 6 is located inside the rotating frame 14, and two sets of driven bevel gears 17 meshing with the outside of the main bevel gear 18 are fixedly connected to two sets of rotating cylinders 16 respectively.

[0042] When using the concrete temperature field monitoring equipment based on UAV infrared thermal imaging, first place the UAV equipment at the location where it needs to take off. After placement, the UAV can be controlled to take off and monitor the concrete temperature field. During the monitoring process, temperature monitoring needs to be carried out synchronously through the main infrared instrument 7 and the secondary infrared instrument 11. During the operation of the secondary infrared instrument 11, the angle of the secondary infrared instrument 11 can be adjusted to expand the monitoring range of the UAV during its one-way flight.

[0043] During the adjustment of the monitoring angle of the secondary infrared instrument 11, the output square shaft 5 needs to be rotated in the forward direction by the micro motor 4. At this time, the output square shaft 5 will drive the main bevel gear 18 to rotate in the forward direction through the rotating sleeve 6. During the rotation of the rotating sleeve 6, it will press against the inclined surface of the inclined clamp 20. After being pressed, the inclined clamp 20 will enter the interior of the rotating disk 19 and cause the first spring 21 to contract. The rotating frame 14 and the rotating disk 19 will stop moving. At this time, the rotation of the main bevel gear 18 will drive the two sets of driven bevel gears 17 meshing on its outer side to rotate. The rotation of the driven bevel gears 17 will drive the rotating cylinder 16 and the connecting piece 1 to rotate. When the main infrared sensor 7 rotates, the connecting part 15 slides on the outside of the reciprocating screw 13, which changes the distance between the connecting part 15 and the rotating part 12, thereby pulling the rotating part 12 to move. The movement of the rotating part 12 will drive the secondary infrared sensor 11 to rotate on the outside of the guide ring 10. This will expand the monitoring range of the lower end of the two sets of secondary infrared sensors 11, increase the monitoring range of the UAV in a single trip, and thus shorten the efficiency of the equipment in monitoring concrete. Before the secondary infrared sensor 11 adjusts its monitoring angle, it can make part of the monitoring position of the main infrared sensor 7 and the secondary infrared sensor 11 overlap, thereby improving the monitoring accuracy of the equipment.

[0044] Example 2: This embodiment is an example Figures 1-10 As shown, in order to solve the problem that existing equipment is difficult to perform multi-stage vibration reduction, the process of the equipment being able to quickly perform multi-stage vibration reduction is disclosed, which realizes that the equipment can accurately and effectively reduce vibration. The specific content is as follows.

[0045] The buffer structure includes a damping rod 22, which is fixedly installed at the lower end of the mounting plate 3. A second spring 23 is sleeved on the outer side of the damping rod 22. A pressing plate 24 is fixedly installed at the lower end of the damping rod 22 and located at the lower end of the second spring 23. A lifting rod 25 is fixedly installed at the upper end of the pressing plate 24. A lifting block 26 is fixedly installed at the upper end of the lifting rod 25 and is slidably connected to the damping rod 22. An inclined telescopic rod 27 is rotatably installed on the outer side of the lifting block 26. A third spring 28 is sleeved on the outer side of the inclined telescopic rod 27. The lower end face of the pressing plate 24 is lower than the lower end faces of the main infrared instrument 7 and the secondary infrared instrument 11. The pressing plate 24, the damping rod 22, and the inclined telescopic rod 27 are arranged symmetrically about the vertical central axis of the mounting plate 3 in two sets.

[0046] After the concrete temperature field monitoring equipment based on UAV infrared thermal imaging is used up, the UAV needs to land for storage. During this process, the pressing plate 24 needs to contact the ground first and push the guide ring 10 upward. At this time, the guide ring 10 and the mounting bracket 9 will move upward and the telescopic square rod 8 will retract. At the same time, the rotating sleeve rod 6 will move upward on the outside of the output square shaft 5, thereby pushing the main infrared instrument 7 and the auxiliary infrared instrument 11 upward to avoid scratching and collision during the landing process.

[0047] Simultaneously, during the descent, the vibration impact on the main infrared sensor 7 and the secondary infrared sensor 11 can be reduced through shock absorption. During this process, the pressing plate 24 moves upward, which compresses the damping rod 22 and the second spring 23, causing them to contract and achieving initial shock absorption. Furthermore, the movement of the pressing plate 24 pushes the lifting rod 25 upward, which in turn causes the lifting block 26 to slide upward on the outside of the damping rod 22. The movement of the lifting block 26 compresses the tilting telescopic rod 27 and the third spring 28, causing them to contract and provide further shock absorption. At the same time, the tilting telescopic rod 27 pushes the pressing rod 30 to slide inside the fixed cylinder 29, causing the fourth spring 31 to contract and provide further shock absorption. Through the multi-stage shock absorption structure, the impact on the main infrared sensor 7 and the secondary infrared sensor 11 during the rapid descent of the UAV can be effectively reduced, ensuring the accuracy of the monitoring by the main infrared sensor 7 and the secondary infrared sensor 11.

[0048] Example 3: This embodiment is an example Figures 1-10 As shown, in order to solve the problem that existing equipment is difficult to adjust the monitoring range and vibration reduction, the process of adjusting the monitoring range and vibration reduction of the equipment is disclosed, realizing the effect of multi-level vibration reduction and range adjustment of the equipment. The specific content is as follows.

[0049] An extrusion rod 30 is rotatably mounted on the upper end of the inclined telescopic rod 27, and a fixing cylinder 29 is slidably mounted on the outer side of the extrusion rod 30. The fixing cylinder 29 is fixedly mounted on the lower end of the mounting plate 3. An air vent 32 is opened inside the fixing cylinder 29, and a fourth spring 31 is sleeved on the outer side of the fixing cylinder 29 and the extrusion rod 30. A fixing member 33 is fixedly mounted inside the fixing cylinder 29, and a sliding rod 34 is slidably mounted inside the fixing member 33. A sealing member 36 is provided at the end of the sliding rod 34 near the air vent 32. The radius of the sealing member 36 is smaller than the radius of the air vent 32. A positioning piece 35 is fixedly mounted at the end of the sliding rod 34 away from the sealing member 36, and a fifth spring 37 sleeved on the outer side of the sliding rod 34 is located between the positioning piece 35 and the fixing member 33.

[0050] When using this concrete temperature field monitoring equipment based on UAV infrared thermal imaging, the position of the secondary infrared instrument 11 outside the main infrared instrument 7 can be adjusted according to the monitoring situation. During this process, the micro motor 4 needs to drive the output square shaft 5 to rotate in the opposite direction. At this time, the output square shaft 5 will drive the rotating sleeve 6 to rotate in the opposite direction, and the rotating sleeve 6 will be engaged with the tilting clamp 20. Then the rotating sleeve 6 will drive the rotating disk 19 to rotate through the tilting clamp 20. The rotating disk 19 will drive the rotating cylinder 16 to rotate through the rotating frame 14, thereby causing the secondary infrared instrument 11 to slide outside the guide ring 10, changing the position of the two sets of secondary infrared instruments 11, and achieving the effect of multi-directional monitoring.

[0051] Furthermore, during the vibration damping process of the extrusion rod 30, the extrusion rod 30 compresses the gas inside the fixed cylinder 29, causing the air inside the fixed cylinder 29 to be discharged through the vent 32. During the rapid discharge of the gas, the sealing element 36 moves towards the vent 32, which reduces the exhaust gap between the vent 32 and the sealing element 36, thereby slowing down the discharge speed of the gas inside the fixed cylinder 29 and reducing the movement speed of the extrusion rod 30 inside the fixed cylinder 29, achieving a further vibration damping effect. At the same time, during the movement of the sealing element 36, the sliding rod 34 slides inside the fixed element 33, causing the fifth spring 37 to be compressed and contracted by the positioning plate 35. After the vibration damping process ends, the contracted fifth spring 37 will drive the positioning plate 35 and the sealing element 36 to move back to their initial positions, thus completing the multi-stage vibration damping process of the device and increasing its overall practicality.

[0052] Example 4: This embodiment is an example Figures 1-10 As shown, based on the above embodiments, a monitoring method for the device is also disclosed, the details of which are as follows.

[0053] S1: By engaging the rotating sleeve 6 with the inclined clamp 20, the rotating sleeve 6 can drive the rotating frame 14 and the rotating disk 19 to rotate, causing the two sets of auxiliary infrared instruments 11 to slide on the outside of the guide ring 10, changing the horizontal position of the two sets of auxiliary infrared instruments 11. When the rotating sleeve 6 rotates in the opposite direction, it will separate from the inclined clamp 20, at which point the rotating part 12 can drive the auxiliary infrared instruments 11 to rotate, changing the vertical monitoring angle of the auxiliary infrared instruments 11, thereby expanding the monitoring range and improving the monitoring accuracy of the device.

[0054] S2: By pressing the plate 24 into contact with the ground, the damping rod 22 and the inclined telescopic rod 27 can retract, realizing two-stage shock absorption at the lower end of the equipment. Furthermore, the extrusion rod 30 moves inside the fixed cylinder 29 to provide shock absorption again. Through the multi-stage shock absorption structure, the shock absorption effect of the equipment can be effectively improved and the internal structure of the equipment can be protected.

[0055] S3: By rapidly expelling the gas inside the fixed cylinder 29, the sealing element 36 can move and change its position relative to the vent 32, thereby slowing down the expulsion of the gas inside the fixed cylinder 29, reducing the movement speed of the extrusion rod 30, and performing shock absorption again, thus reducing the overall vibration of the equipment.

[0056] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0057] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A concrete temperature field monitoring device based on UAV infrared thermal imaging, comprising a body (1) and a bracket (2) symmetrically arranged at the lower end of the body (1), wherein a mounting plate (3) is provided at the lower end of the body (1), characterized in that: The lower end of the mounting plate (3) is provided with a micro motor (4), and the output end of the micro motor (4) is provided with an output square shaft (5). A rotating sleeve (6) is slidably installed on the outer side of the output square shaft (5). The lower end of the rotating sleeve (6) is fixedly installed with a main infrared instrument (7). Two sets of secondary infrared instruments (11) are provided at the lower end of the mounting plate (3) on both sides of the main infrared instrument (7). The adjustment structure provided at the lower end of the mounting plate (3) can control the monitoring range of the main infrared instrument (7) and the secondary infrared instrument (11). The buffer structure provided at the lower end of the mounting plate (3) can reduce the vibration of the main infrared instrument (7) and the secondary infrared instrument (11) during the start-up and stop of the UAV.

2. The concrete temperature field monitoring device based on UAV infrared thermal imaging according to claim 1, characterized in that: The directional adjustment structure includes a telescopic square rod (8), which is fixedly installed at the lower end of the mounting plate (3). The lower end of the telescopic square rod (8) is fixedly installed with a mounting bracket (9), and the lower ends of the two sets of mounting brackets (9) are fixedly installed with guide rings (10). The guide rings (10) are slidably connected to the two sets of auxiliary infrared instruments (11).

3. The concrete temperature field monitoring device based on UAV infrared thermal imaging according to claim 2, characterized in that: The upper end of the secondary infrared instrument (11) is rotatably mounted with a rotating component (12), and a reciprocating screw (13) is rotatably mounted on the side of the rotating component (12) close to the rotating sleeve (6), and a reciprocating connecting component (15) is connected to the outside of the reciprocating screw (13).

4. A concrete temperature field monitoring device based on UAV infrared thermal imaging according to claim 3, characterized in that: A rotating frame (14) is rotatably mounted on the outer side of the rotating sleeve (6), and the upper end of the rotating frame (14) is rotatably connected to the mounting bracket (9). The rotating cylinder (16) rotatably mounted inside the rotating frame (14) is fixedly connected to the connector (15).

5. A concrete temperature field monitoring device based on UAV infrared thermal imaging according to claim 3, characterized in that: The rotating disk (19) fixedly installed inside the rotating frame (14) is located outside the rotating sleeve (6), and an inclined clamp (20) is slidably installed inside the rotating disk (19). A first spring (21) is provided at the end of the inclined clamp (20) near the rotating disk (19). The end of the inclined clamp (20) away from the rotating disk (19) has an inclined structure, and the end of the inclined clamp (20) away from the first spring (21) is engaged with the rotating sleeve (6).

6. A concrete temperature field monitoring device based on UAV infrared thermal imaging according to claim 5, characterized in that: The main bevel gear (18) fixedly installed on the outside of the rotating sleeve (6) is located inside the rotating frame (14), and the two sets of secondary bevel gears (17) meshing with the outside of the main bevel gear (18) are fixedly connected to the two sets of rotating cylinders (16).

7. A concrete temperature field monitoring device based on UAV infrared thermal imaging according to claim 6, characterized in that: The buffer structure includes a damping rod (22), which is fixedly installed at the lower end of the mounting plate (3). A second spring (23) is sleeved on the outer side of the damping rod (22), and a pressing piece (24) fixedly installed at the lower end of the damping rod (22) is located at the lower end of the second spring (23).

8. A concrete temperature field monitoring device based on UAV infrared thermal imaging according to claim 7, characterized in that: The upper end of the pressing plate (24) is fixedly installed with a lifting rod (25), and the lifting block (26) fixedly installed on the upper end of the lifting rod (25) is slidably connected with the damping rod (22). The outside of the lifting block (26) is rotatably installed with an inclined telescopic rod (27), and a third spring (28) is sleeved on the outside of the inclined telescopic rod (27). The lower end face of the pressing plate (24) is lower than the lower end face of the main infrared instrument (7) and the secondary infrared instrument (11). The pressing plate (24), the damping rod (22) and the inclined telescopic rod (27) are symmetrically arranged in two sets about the vertical central axis of the mounting plate (3).

9. A concrete temperature field monitoring device based on UAV infrared thermal imaging according to claim 8, characterized in that: The upper end of the inclined telescopic rod (27) is rotatably mounted with a pressing rod (30), and a fixed cylinder (29) is slidably mounted on the outside of the pressing rod (30). The fixed cylinder (29) is fixedly mounted on the lower end of the mounting plate (3). An air vent (32) is opened inside the fixed cylinder (29), and a fourth spring (31) is sleeved on the outside of the fixed cylinder (29) and the pressing rod (30). A fixing member (33) is fixedly mounted inside the fixed cylinder (29), and a sliding rod (34) is slidably mounted inside the fixing member (33). A sealing member (36) is provided at the end of the sliding rod (34) near the air vent (32). At the same time, the radius of the sealing member (36) is smaller than the radius of the air vent (32). A positioning piece (35) is fixedly mounted at the end of the sliding rod (34) away from the sealing member (36), and a fifth spring (37) sleeved on the outside of the sliding rod (34) is located between the positioning piece (35) and the fixing member (33).

10. A method for monitoring the temperature field of concrete based on UAV infrared thermal imaging, applied to the concrete temperature field monitoring equipment based on UAV infrared thermal imaging as described in any one of claims 1-9, characterized in that, Includes the following steps: S1: By engaging the rotating sleeve (6) with the tilting clamp (20), the rotating sleeve (6) can drive the rotating frame (14) and the rotating disk (19) to rotate, causing the two sets of auxiliary infrared instruments (11) to slide on the outside of the guide ring (10), changing the horizontal position of the two sets of auxiliary infrared instruments (11). When the rotating sleeve (6) rotates in the opposite direction, it will separate from the tilting clamp (20), at which point the rotating part (12) can drive the auxiliary infrared instrument (11) to rotate, changing the vertical monitoring angle of the auxiliary infrared instrument (11), thereby expanding the monitoring range and improving the monitoring accuracy of the device. S2: By pressing the plate (24) to contact the ground, the damping rod (22) and the inclined telescopic rod (27) can be retracted to achieve two-stage shock absorption at the bottom of the equipment. Furthermore, the extrusion rod (30) moves inside the fixed cylinder (29) to perform shock absorption again. Through the multi-stage shock absorption structure, the shock absorption effect of the equipment can be effectively improved and the internal structure of the equipment can be protected. S3: By rapidly expelling the gas inside the fixed cylinder (29), the seal (36) can move and change its position relative to the vent (32), thereby slowing down the expulsion of the gas inside the fixed cylinder (29), reducing the movement speed of the extrusion rod (30), and performing shock absorption treatment again, thus reducing the overall vibration of the equipment.

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