Radiation detection equipment carried by small unmanned aerial vehicle

Abstract

Radiation detection equipment used for being carried by a small unmanned aerial vehicle comprises a radiation detection module, an unmanned aerial vehicle carrying device and an unmanned aerial vehicle holder quick dismounting device, the unmanned aerial vehicle carrying device is installed at the top of the radiation detection module, and the unmanned aerial vehicle carrying device is matched with the unmanned aerial vehicle holder quick dismounting device. The radiation detection module is of a cuboid structure, a charging interface and a power switch work indicating lamp are arranged on the front surface of the radiation detection module, and the radiation detection module comprises a gamma energy spectrum measurement module and a high-performance GM tube dose rate measurement module; according to the utility model, the reliability of detection data is guaranteed by adopting a wired direct communication mode between the radiation detection module and the unmanned aerial vehicle, the detection data and flight data are transmitted to a ground station together through the unmanned aerial vehicle radio communication technology, and a radioactivity level distribution diagram is drawn synchronously, so that the working efficiency of unmanned aerial vehicle radiation detection is improved; the whole machine is more flexible and intelligent, and can be suitable for more scenes and purposes.

Description

Technical Field

[0001] The utility model relates to the technical field of UAV radiation detection, in particular to a radiation detection device for being carried by a small UAV. Background Technique

[0002] The aviation gamma energy spectrum measurement system was mainly an important and effective method for uranium ore exploration and regional geological research in the early stage. A medium-sized UAV was used to carry multiple large-volume scintillator crystal detectors. The detectors were placed in the cabin of the medium-sized UAV, and the measurement data was exported for processing and mapping after the flight.

[0003] With the development of nuclear emergency aviation monitoring, requirements such as rapid response, wide measurement area, flexibility, and being unrestricted by ground traffic conditions have been put forward. UAV radiation detection requires more intelligent, lighter, smaller devices;

[0004] The existing aviation gamma energy spectrum measurement systems mostly use medium-sized UAVs carrying multiple large-area NaI crystals. The overall equipment is heavy and the mapping is slow, and there is no air data transmission function.

[0005] The wireless communication methods integrated in radiation detection, such as wifi and 4G communication, are used outdoors, and the data transmission is unstable and not synchronized with the UAV flight data.

[0006] Based on this, in order to solve the problems of the heavy overall equipment and unstable data transmission of the existing system, this design proposes a radiation detection device for being carried by a small UAV. Content of the Utility Model

[0007] The utility model aims to provide a radiation detection device for being carried by a small UAV.

[0008] A radiation detection device for being carried by a small UAV includes: a radiation detection module, a UAV carrying device, and a UAV gimbal quick-release device. Among them, the UAV carrying device is installed on the top of the radiation detection module, the UAV carrying device is matched with the UAV gimbal quick-release device, the structure of the radiation detection module is a cuboid structure, a charging interface and a power switch working indicator are arranged on the front surface of the radiation detection module, and the radiation detection module includes a γ energy spectrum measurement module and a high-performance GM tube dose rate measurement module.

[0009] Preferably, the γ energy spectrum measurement module includes: a NaI crystal, a photomultiplier tube, and a multi-channel pulse analyzer. The structure of the NaI crystal is a cylindrical structure, the diameter of the NaI crystal is less than 3 inches, a photomultiplier tube is arranged on the left side of the NaI crystal, and a multi-channel pulse analyzer is installed on the upper part of the NaI crystal.

[0010] Preferably, the high-performance GM tube dose rate measurement module includes: a high-performance GM tube and a signal acquisition circuit. The high-performance GM tube is installed in the upper right part of the radiation detection module, and the signal acquisition circuit is installed on the upper part of the high-performance GM tube.

[0011] Preferably, a radiation detection module housing is provided on the outside of the radiation detection module. A rechargeable lithium battery is installed in the upper left part of the radiation detection module. A charging interface and a power switch working indicator are provided outside the radiation detection module housing.

[0012] Preferably, the UAV carrying device includes: a wired data transmission interface, a communication adapter board, and an adapter interface. The wired data transmission interface is provided at the bottom of the UAV carrying device. The communication adapter board is installed above the wired data transmission interface. The data transmission interface and the communication adapter board are connected by a wire. The adapter interface is provided on the right side of the UAV carrying device.

[0013] Preferably, the UAV gimbal quick-release device includes: a gimbal quick-release speed slider interface and a fixed buckle. The gimbal quick-release speed slider interface is installed on the right side inside the UAV gimbal quick-release device, and the fixed buckle is installed on the upper part of the UAV gimbal quick-release device.

[0014] The beneficial effects of the above solution are:

[0015] 1. By adopting the wired direct connection communication method between the radiation detection module and the UAV, the reliability of the detection data is ensured. Then, through the UAV radio communication technology, the detection data and flight data are transmitted to the ground station together, and the radioactive level distribution map is synchronously drawn, improving the working efficiency of the UAV radiation detection. The whole machine is more flexible and intelligent, and can be applied to more scenarios and uses.

[0016] 2. The radio technology adopted by the present invention can achieve long-distance communication across a large distance. Radio communication does not require a physical route, can adapt to various environments, and can also perform conversions between different signal types such as sound, digital, and video, and has multiple uses. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic diagram of the radiation detection device of the present invention;

[0018] Figure 2 is a cross-sectional structural schematic diagram of the radiation detection device of the present invention;

[0019] In the figure: 1. Radiation detection module; 11. NaI crystal; 12. Photomultiplier tube; 13. Multi-channel pulse analyzer; 14. High-performance GM tube; 15. Signal acquisition circuit; 16. Radiation detection module housing; 17. Rechargeable lithium battery; 18. Charging interface; 19. Power switch working indicator light; 2. UAV carrying device; 21. Wired data transmission interface; 22. Communication adapter board; 23. Adapter interface; 3. UAV gimbal quick-release device; 31. Gimbal quick slider interface; 32. Fixed buckle. Detailed implementation

[0020] The following further clearly and completely describes the present utility model in conjunction with the accompanying drawings of the specification, but the protection scope of the present utility model is not limited thereto.

[0021] According to Figure 1 As shown, a radiation detection device for being carried by a small UAV includes: a radiation detection module 1, a UAV carrying device 2, and a UAV gimbal quick-release device 3. Among them, the UAV carrying device 2 is installed on the top of the radiation detection module 1, and the UAV carrying device 2 cooperates with the UAV gimbal quick-release device 3. The structure of the radiation detection module 1 is a cuboid structure. A charging interface 18 and a power switch working indicator light 19 are arranged on the front surface of the radiation detection module 1. The radiation detection module 1 includes a gamma energy spectrum measurement module and a high-performance GM tube dose rate measurement module.

[0022] Specifically, the gamma energy spectrum measurement module includes: a NaI crystal 11, a photomultiplier tube 12, and a multi-channel pulse analyzer 13. The structure of the NaI crystal 11 is a cylindrical structure. The diameter of the NaI crystal 11 is less than 3 inches. A photomultiplier tube 12 is arranged on the left side of the NaI crystal, and a multi-channel pulse analyzer 13 is installed on the upper part of the NaI crystal 11;

[0023] During operation, gamma rays enter the NaI crystal 11 to generate a large number of fluorescent photons. The fluorescent photons are collected and amplified by the photomultiplier tube 12, and then analyzed and processed by the multi-channel pulse analyzer 13 to form a gamma energy spectrum, which is mainly used to measure the characteristic gamma energy spectrum of radionuclides, and further analyze the types of radionuclides;

[0024] Specifically, the high-performance GM tube dose rate measurement module includes: a high-performance GM tube 14 and a signal acquisition circuit 15. The high-performance GM tube 14 is installed in the upper right part of the radiation detection module 1, and a signal acquisition circuit 15 is installed on the upper part of the high-performance GM tube 14. During operation, it is mainly used to measure the X and gamma radiation dose rates.

[0025] According to Figure 2As shown in the figure, specifically, a radiation detection module housing 16 is provided on the outside of the radiation detection module 1. A rechargeable lithium battery 17 is installed in the upper left part of the radiation detection module 1. A charging interface 18 and a power switch working indicator 19 are provided outside the radiation detection module housing 16;

[0026] Specifically, the drone carrying device 2 includes: a wired data transmission interface 21, a communication adapter board 22, and an adapter interface 23. The wired data transmission interface 21 is provided at the bottom of the drone carrying device 2. A communication adapter board 22 is installed above the wired data transmission interface 21. The data transmission interface 21 and the communication adapter board 22 are connected by a wire. The adapter interface 23 is provided on the right side of the drone carrying device 2;

[0027] Specifically, the drone gimbal quick-release device 3 includes: a gimbal quick-release slider interface 31 and a fixed buckle 32. The gimbal quick-release slider interface 31 is installed on the right side inside the drone gimbal quick-release device 3. The fixed buckle 32 is installed on the upper part of the drone gimbal quick-release device 3;

[0028] When working, in order to better detect radioactive rays, the outer shell around the detector is designed with a detection surface, which is thinner than other positions of the device shell. The radiation detection module 1 and the drone carrying device 2 perform data transmission through wired data transmission and then through drone radio technology;

[0029] The drone carrying device 2 is installed and connected to the radiation detection module, and a square soft silicone pad is installed in the middle for shock absorption and sealing;

[0030] After each module of the radiation detection device 1 is debugged and installed, the drone carrying device 2 is installed, and finally the radiation detection module is fixed by connecting the carrying device to the drone gimbal quick-release device 3;

[0031] After the drone receives the radiation detection data by wire, it is transmitted to the ground station together with the drone aerial survey information through the drone radio communication technology. After receiving the information, the ground station draws a radioactive level distribution map.

Claims

1. A radiation detection device for a small unmanned aerial vehicle, comprising: Radiation detection module (1), UAV carrying device (2), UAV gimbal quick-release device (3), characterized in that the UAV carrying device (2) is installed on the top of the radiation detection module (1), the UAV carrying device (2) cooperates with the UAV gimbal quick-release device (3), the structure of the radiation detection module (1) is a cuboid structure, a charging interface (18) and a power switch working indicator light (19) are arranged on the front surface of the radiation detection module (1), and the radiation detection module (1) includes a gamma energy spectrum measurement module and a high-performance GM tube dose rate measurement module.

2. The radiation detection device for small unmanned aerial vehicle carrying according to claim 1, characterized in that, The gamma energy spectrum measurement module includes: a NaI crystal (11), a photomultiplier tube (12), and a multi-channel pulse analyzer (13). The structure of the NaI crystal (11) is a cylindrical structure. The diameter of the NaI crystal (11) is less than 3 inches. A photomultiplier tube (12) is arranged on the left side of the NaI crystal (11), and a multi-channel pulse analyzer (13) is installed on the upper part of the NaI crystal (11).

3. A radiation detection device for small unmanned aerial vehicle carrying, as claimed in claim 1, wherein The high-performance GM tube dose rate measurement module includes: a high-performance GM tube (14) and a signal acquisition circuit (15). The high-performance GM tube (14) is installed in the upper right part of the radiation detection module (1), and a signal acquisition circuit (15) is installed on the upper part of the high-performance GM tube (14).

4. The radiation detection device for small unmanned aerial vehicle carrying according to claim 3, characterized in that A radiation detection module housing (16) is arranged on the outside of the radiation detection module (1). A rechargeable lithium battery (17) is installed in the upper left part of the radiation detection module (1). A charging interface (18) and a power switch working indicator light (19) are arranged on the outside of the radiation detection module housing (16).

5. The radiation detection device for being carried by a small unmanned aerial vehicle according to claim 1, wherein, The UAV carrying device (2) includes: a wired data transmission interface (21), a communication adapter board (22), and a transfer interface (23). The wired data transmission interface (21) is arranged at the bottom of the UAV carrying device (2). A communication adapter board (22) is installed above the wired data transmission interface (21). The wired data transmission interface (21) and the communication adapter board (22) are connected by a wire. The transfer interface (23) is arranged on the right side of the UAV carrying device (2).

6. The radiation detection device for small UAV carrying according to claim 1, characterized in that The UAV gimbal quick-release device (3) includes: a gimbal quick-release speed slider interface (31) and a fixed buckle (32). The gimbal quick-release speed slider interface (31) is installed on the inner right side of the UAV gimbal quick-release device (3), and the fixed buckle (32) is installed on the upper part of the UAV gimbal quick-release device (3).

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