A methane detection device based on a drone

Abstract

The utility model relates to a methane detection technology field, concretely relates to a methane detection device based on unmanned plane, and the connecting frame top is equipped with the gap, and the connecting plate at the gap is formed clamping mechanism by the clamping screw rod cooperation clamping nut of through -penetration, realizes the fixation of device and different unmanned plane frame, the connecting frame bottom end is screwed drive motor, and the drive shaft fixed assembly plate of drive motor output end, and the assembly plate is screwed and rotates the clamping block top, and the rotating block is rotatably arranged at the bottom end of rotating clamping block, and the lateral support plate end of rotating block is fixed and is equipped with the ring, and the handle of detection subassembly inserts the ring and is locked by the bolt, and drive motor passes through drive shaft linkage rotating clamping block, rotating block and support plate, and drives detection subassembly horizontal rotation to expand the detection range, and the detachable structure of handle and the ring makes detection subassembly can separate unmanned plane and become handheld detection, the utility model realizes the general installation of multimode, and detection subassembly supports airborne scanning and handheld dual mode switching, and the rotary structure initiative expands the detection coverage area.

Description

Technical Field

[0001] This utility model relates to the field of methane detection technology, and in particular to a methane detection device based on a drone. Background Technology

[0002] ① Early drone-borne methane detection devices generally used welding or integral injection molding for installation, permanently fixing the detection components to the drone's support frame. While this integrated structure ensured mechanical strength during flight, it physically bound the detection components to the drone: when handheld detection was needed on the ground or in confined spaces, the entire device (including redundant supports, motors, and other components) had to be detached and carried, resulting in bulky equipment and redundant operation. More importantly, because the detection components could not be separated from the drone, their function was strictly limited to airborne mode, preventing their flexible application as independent devices in scenarios outside of drones.

[0003] ② To address the aforementioned limitations, the industry has introduced a split-type quick-release interface solution. This solution pre-installs standardized slots on the drone bracket and adds matching metal clips or magnetic contacts to the outer shell of the detection component. When the detection component is inserted into the slot, the internal spring locking tongue automatically locks it in place; when disassembly is required, pressing the release button releases the clips, allowing the detection component to be quickly separated for handheld use. This physically detachable feature enables, for the first time, rapid switching between airborne and handheld modes for the detection component, alleviating the functional limitations inherent in integrated structures.

[0004] ③ While the modular structure solves the component disassembly problem, it doesn't fundamentally resolve the compatibility issue between the mounting layer and the drone: quick-release slots must be pre-fixed to specific locations on the drone (such as the inside of the landing gear or the fuselage base), and their mounting brackets are usually custom-designed for a particular drone model. When users replace drones with different configurations or sizes (e.g., from quadcopters to hexacopters, or differences in fuselage frames between different manufacturers), the original quick-release brackets become unusable because they cannot fit the new fuselage, necessitating the customization of brackets to match the new model. This essentially transforms "testing components bound to drones" into "quick-release brackets bound to drones," failing to overcome the fundamental bottleneck of the mounting structure's lack of cross-model universality. Utility Model Content

[0005] The purpose of this invention is to provide a methane detection device based on a drone, which solves the technical problem that the mounting bracket in the split quick-release structure is bound to the drone model, resulting in the need to re-customize the bracket when changing drones and the inability to achieve universal compatibility across different models.

[0006] To achieve the above objectives, this utility model provides a methane detection device based on an unmanned aerial vehicle (UAV), including a connecting frame. The top of the connecting frame has a notch, and connecting plates are fixedly installed at the notch. A clamping screw passes through the connecting plates, and a clamping nut is screwed into the end of the clamping screw. The bottom of the connecting frame is bolted to the top of a drive motor. The bottom of the drive motor is an output end and has a drive shaft. An assembly plate is fixed to the end of the drive shaft opposite to the drive motor. The assembly plate is bolted to the top of a rotating clamping block. A rotating block is rotatably mounted at the bottom of the rotating clamping block. A support plate is fixedly installed on one side of the rotating block. A through-ring is fixedly installed at the end of the support plate away from the rotating block. A detection component is inserted into the through-ring and fixed by bolts.

[0007] The rotating clamp is equipped with a rotating motor by bolts at the end away from the rotating block. The output shaft of the rotating motor passes through the interior of the rotating clamp and is fixed to the rotating block. After fixing, the end of the rotating clamp relative to the rotating motor is connected to the high-definition camera.

[0008] The detection component includes a detector and a handle. An infrared camera is fixedly installed at one end of the detector, and a display screen is fixedly installed at the end of the detector opposite to the infrared camera. A heat dissipation window is provided on the side of the detector away from the display screen.

[0009] The detector has an antenna fixedly installed at its top and a handle fixedly installed on one side of its bottom. The handle is inserted into a through-ring and fixed with bolts. A charging interface is installed through one side of the handle, and a battery pack is fixedly installed inside the handle.

[0010] The detector has a circuit board mounted on the upper part of its interior by bolts. The heating point of the circuit board is attached to aluminum alloy fins by thermally conductive silicone grease, and the aluminum alloy fins are fixed to the circuit board by a bracket. An exhaust fan is fixedly installed inside the detector on the side opposite to the heat dissipation window.

[0011] An infrared analysis module is bolted to the inside of the detector and adjacent to the circuit board. The circuit board, infrared analysis module, exhaust fan, battery pack, charging interface, antenna, and display screen are connected to their respective interfaces via flexible wires.

[0012] The core innovation of this utility model is a methane detection device based on a drone, which is provided by setting a connecting plate at the notch at the top of the connecting frame, and forming an adjustable clamping mechanism by clamping screws and clamping nuts through the connecting plate. This clamping mechanism can directly act on the irregular frame of the drone body - by tightening the clamping screws, the connecting plates on both sides are driven to converge inward, dynamically clamping the longitudinal beams or support pipes of different sizes of the body, realizing the physical locking of the entire device with various drone platforms; the bottom of the connecting frame is vertically fixed to the drive motor by bolts, and the downward extension end of the drive motor output shaft is rigidly connected to the drive shaft; the assembly plate fixed at the end of the drive shaft is then connected to the rotating clamping block by bolts, and the bottom of the rotating clamping block is set with a rotating block through a rotating shaft. It is worth noting that a through-ring is installed at the end of the horizontally extending support plate of the rotating block. The handle of the detection component is precisely inserted into the through-ring and then radially locked in place by bolts. This multi-stage linkage structure creates two key technical effects: First, when the drive motor is running, it synchronously drives the rotating clamp, rotating block, and support plate to rotate via the drive shaft, forcing the detection component fixed in the through-ring to perform horizontal scanning motion, thereby actively expanding the detection coverage of the infrared camera. Second, the plug-in fixing mode of the through-ring and the handle allows the detection component to be removed as a whole after loosening the bolts, switching to manual handheld operation mode. This device thus breaks through the dual limitations of traditional installation structures on UAV models and detection scenarios: by replacing the pre-embedded bracket with the dynamic adaptability of the clamping mechanism, it achieves cross-model installation and use; through the mechanical separation design, it allows the same detection component to seamlessly switch between UAV cruise detection and manual handheld detection. Ultimately, a methane monitoring system with strong compatibility and high flexibility is constructed. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0014] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0015] Figure 2 This is a schematic diagram of the connecting frame in an embodiment of the present utility model.

[0016] Figure 3 This is a front view structural diagram of the detector according to an embodiment of the present invention.

[0017] Figure 4 This is a rear view structural diagram of the detector according to an embodiment of the present invention.

[0018] Figure 5 This is a schematic diagram of the planar structure of the detector according to an embodiment of the present invention.

[0019] In the diagram: 101. Connecting frame; 102. Connecting plate; 103. Clamping screw; 104. Clamping nut; 105. Drive motor; 106. Drive shaft; 107. Assembly plate; 108. Rotating clamping block; 109. Rotating block; 110. Support plate; 111. Through-ring; 112. Detection component; 113. Rotating motor; 114. High-definition camera; 115. Detector; 116. Handle; 117. Infrared camera; 118. Display screen; 119. Heat dissipation window; 120. Antenna; 121. Charging interface; 122. Battery pack; 123. Circuit board; 124. Aluminum alloy fins; 125. Exhaust fan; 126. Infrared analysis module. Detailed Implementation

[0020] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0021] Please see Figures 1-5 .

[0022] This utility model provides a methane detection device based on a drone. A connecting frame 101 is aligned with the drone support. Clamping screws 103, passing through connecting plates 102 on both sides, are locked in place by clamping nuts 104 at their ends, forming a vibration-resistant rigid connection to ensure flight stability. A drive motor 105 is vertically mounted on the bottom of the connecting frame 101 via bolts. An assembly plate 107 is fixed to the end of a drive shaft 106 extending downwards from the output end of the drive motor 105. The assembly plate 107 is then rigidly connected to the top of a rotating clamping block 108 via bolts to achieve synchronous transmission. A rotating block 109 is rotatably mounted on the bottom of the rotating clamping block 108 and rotates relative to it via a rotating shaft structure. A horizontally extending support plate 110 on one side of the rotating block 109 has a vertically fixed insertion ring 111 at its end. The handle 116 of the detection component 112 is inserted into the insertion ring 111 and then... The bolts on the side wall of the 11th section are tightened and limited. This structure allows the drive motor 105 to drive the rotating clamp 108, rotating block 109, support plate 110, and the entire detection assembly 112 to rotate horizontally via the drive shaft 106 when the drive motor 105 is running. This dynamically adjusts the detection direction and expands the monitoring coverage. The end of the rotating clamp 108 away from the rotating block 109 is fixed with a rotating motor 113 by bolts. The output shaft of the rotating motor 113 passes through the interior of the rotating clamp 108 and is limited and fixed with the rotating block 109 before extending to the outside to connect with the high-definition camera 114. This mechanical linkage ensures that the high-definition camera 114 rotates synchronously with the rotating block 109, so that the viewing angle of the high-definition camera 114 is always consistent with the direction of the infrared camera 117 in the detection assembly 112. The operator can confirm the location of the methane detection area in real time and fine-tune the attitude of the drone through the image of the high-definition camera 114.

[0023] The detector 115, the core component of the detection assembly 112, has an infrared camera 117 fixedly mounted at its front end to capture the characteristic infrared absorption spectrum signal of methane gas. A display screen 118 is fixedly mounted at the rear end of the detector 115 for localized display of the detection results. The spectral signal collected by the infrared camera 117 is transmitted to an infrared analysis module 126, which is bolted inside the detector 115. The infrared analysis module 126 performs spectral analysis based on the absorption characteristics of methane molecules in a specific infrared band and calculates the gas concentration value. The calculation result is output to a circuit board 123 mounted on the top of the detector 115. The circuit board 123 (integrating a data integration and communication control unit) coordinates the signal flow: receiving the concentration data from the infrared analysis module 126 and driving the display screen 118 to display the detection results in real time, while simultaneously controlling the antenna 120 fixedly mounted at the top of the detector 115 to transmit the concentration data wirelessly to a remote terminal. A heat dissipation window 119 is provided on the side of the detector 115, which is bolted to the interior. A fixed exhaust fan 125 works together to create a forced air cooling channel. At the same time, the heat dissipation of the heat points of the circuit board 123 is accelerated by the aluminum alloy fins 124 (fixed to the circuit board 123 by the bracket) that are tightly attached to the thermal grease. The multi-level heat dissipation system works together to maintain the working temperature stability of the infrared analysis module 126 and the circuit board 123. A grip 116 is fixedly installed at the bottom of the detector 115. The battery pack 122 encapsulated inside the grip 116 provides independent power to the entire detection component 112. The charging port 121 installed through the side wall of the grip 116 supports external charging without consuming the drone's power. In particular, the plug-in fixing structure of the grip 116 and the end of the support plate 110 with a ring 111 allows the detection component 112 to be quickly removed after the bolts are loosened and switched to handheld detection mode: the operator holds the grip 116 and points the infrared camera 117 at the area to be tested. The infrared analysis module 126 calculates the concentration data in real time and reads it locally through the display screen 118, meeting the needs of close-range flexible detection in complex scenarios.

[0024] Throughout the process: the connecting frame 101 and the clamping mechanism are reliably mounted; the drive motor 105 drives the detection component 112 to scan horizontally; the rotation motor 113 is linked with the high-definition camera 114 to synchronize the viewing angle; the detection component 112 collects the spectrum through the infrared camera 117, calculates the concentration through the infrared analysis module 126, coordinates the display and communication through the circuit board 123, controls the temperature through the heat dissipation system, and provides independent power through the battery pack 122, ultimately supporting the dual-mode application of drone cruise detection and handheld precision detection.

[0025] Working principle: The notch at the top of the connecting frame 101 is locked and fixed by the connecting plate 102, clamping screw 103 and clamping nut 104 installed on it, so that the connecting frame 101 is fixed to the UAV, ensuring the stability of the device in flight and avoiding vibration interference; the drive motor 105, which is bolted to the bottom of the connecting frame 101, is its power core. When it starts, the drive shaft 106 at the output end of the motor drives the assembly plate 107 fixed to it to rotate; the assembly plate 107 is then linked by bolts to the rotating clamping block 108 installed below it. The bottom end of the clamping block is rotatably equipped with a rotating block 109; the support plate 110 rigidly connected to one side of the rotating block 109, and the through ring 111 fixed at its end supports and fixes the entire detection group. Component 112; This design allows the detection component 112 to adjust its detection angle as the drive shaft 106 rotates, significantly expanding the coverage area of ​​the target region. Simultaneously, a rotating motor 113, bolted to the other end of the rotating clamp 108, has its output shaft passing through the rotating clamp 108 and being fixed to the rotating block 109, extending outwards to drive the high-definition camera 114 connected to the shaft end. This linkage design allows the high-definition camera 114 to rotate synchronously with the detection component 112, always maintaining a completely consistent field of view with the core of the detection component 112—the infrared camera 117. Thus, when the operator controls the drone for methane detection, the high-definition camera 114 provides a real-time, clear visible light image. This allows the operator to visually see the specific area of ​​methane spectrum detected by the infrared camera 117, greatly facilitating precise adjustment of the drone's flight position and target area locking. The core of the detection component 112 is the detector 115, whose front-end infrared camera 117 captures gas spectral information. These raw infrared spectral signals are transmitted to the infrared analysis module 126, bolted to the detector 115, for processing. The infrared analysis module 126 performs professional analysis on the received spectrum, identifies and calculates the methane gas concentration data, and feeds the processing results back to the circuit board 123. The display screen 118 mounted at the rear of the detector 115 is used to display the detection results and ambient temperature in real time. The detector 115 contains environmental image information; its core data processing unit is the circuit board 123 (which integrates a signal distribution and control unit to acquire concentration data from the infrared analysis module 126, coordinate the display screen 118 to display the results, and control the antenna 120 for wireless transmission). The processed methane concentration information and other related data are displayed in real time on the display screen 118 of the detector 115 for easy on-site viewing. On the other hand, the circuit board 123 controls the transmission of this information wirelessly via the antenna 120 on the top of the detector 115, enabling remote operators to receive the detection data and location information in real time on the ground control station or mobile device, achieving immediate remote data feedback.The heat dissipation window 119 on the side of the detector 115 and the aluminum alloy fins 124, which are tightly attached to the heat points of the circuit board 123 with thermally conductive silicone grease, together with the active exhaust fan 125 near the heat dissipation window 119, constitute a highly efficient heat dissipation system. This ensures that the internal electronic components (especially the infrared analysis module 126 and circuit board 123 that directly process complex spectral signals) can maintain a stable operating temperature even under high loads, guaranteeing the continuity and accuracy of detection. The battery pack 122 located inside the grip 116 below the detector 115 provides independent power to the entire detection assembly 112. This not only ensures the long-term battery life of the detector 115 itself, but more importantly, it avoids consuming the drone's own energy, improving the overall operating efficiency and safety of the drone system. Note that the design of the detection component 112, which is inserted into the through-ring 111 at the end of the support plate 110 via the handle 116 and secured with bolts, allows for easy removal from the drone mounting bracket, enabling quick switching. When removed, the detection component 112 becomes an independent handheld methane detector 115. Operators can hold the handle 116, utilize its infrared camera 117 for precise near-field detection, and directly view real-time detection data on the display screen 118. This meets the needs of flexible operation in various scenarios, further enhancing the practicality and applicability of the device. The entire system, from installation, position adjustment, data acquisition, processing, display to transmission and flexible application modes, works collaboratively and efficiently to achieve efficient, accurate, convenient, and multi-purpose methane environmental monitoring.

[0026] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A drone-based methane detection device comprising a connection frame (101), characterized in that: The top of the connecting frame (101) has a notch, and connecting plates (102) are fixedly installed at the notch. A clamping screw (103) passes through the connecting plates (102), and a clamping nut (104) is screwed into the end of the clamping screw (103). The bottom of the connecting frame (101) is bolted to the top of the drive motor (105). The bottom of the drive motor (105) is the output end and has a drive shaft (106). The drive shaft (106) and the drive motor (101) are connected. 5) An assembly plate (107) is fixed at one end. The assembly plate (107) is installed on the top of the rotating clamp (108) by bolts. A rotating block (109) is rotatably provided at the bottom end of the rotating clamp (108). A support plate (110) is fixedly installed on one side of the rotating block (109). A through-ring (111) is fixedly installed at the end of the support plate (110) away from the rotating block (109). A detection component (112) is inserted into the through-ring (111) and fixed by bolts.

2. The methane detection device based on a drone as described in claim 1, characterized in that: The rotating clamp (108) is mounted with a rotating motor (113) by bolts at one end away from the rotating block (109). The output shaft of the rotating motor (113) passes through the interior of the rotating clamp (108) and is fixed to the rotating block (109). After fixing, the rotating clamp (108) extends further and is connected to the high-definition camera (114) at one end relative to the rotating motor (113).

3. The methane detection device based on a drone as described in claim 2, characterized in that: The detection component (112) includes a detector (115) and a handle (116). An infrared camera (117) is fixedly installed at one end of the detector (115). A display screen (118) is fixedly installed at the end of the detector (115) opposite to the infrared camera (117). A heat dissipation window (119) is provided on the side of the detector (115) away from the display screen (118).

4. The methane detection device based on a drone as described in claim 3, characterized in that: An antenna (120) is fixedly installed at the top of the detector (115), and a handle (116) is fixedly installed on one side of the bottom of the detector (115). The handle (116) is inserted into the through ring (111) and fixed with bolts. A charging interface (121) is installed through one side of the handle (116), and a battery pack (122) is fixedly installed inside the handle (116).

5. The methane detection device based on a drone as described in claim 4, characterized in that: The detector (115) has a circuit board (123) mounted on the top inside by bolts. The heating point of the circuit board (123) is attached to an aluminum alloy fin (124) by thermally conductive silicone grease. The aluminum alloy fin (124) is fixed to the circuit board (123) by a bracket. An exhaust fan (125) is fixedly installed inside the detector (115) on the side opposite to the heat dissipation window (119).

6. The methane detection device based on a drone as described in claim 5, characterized in that: An infrared analysis module (126) is bolted to the inside of the detector (115) adjacent to the circuit board (123). The circuit board (123), infrared analysis module (126), exhaust fan (125), battery pack (122), charging interface (121), antenna (120), and display screen (118) are connected to their respective interfaces via flexible wires.

Images