A cesium optical pump magnetic measurement system on an unmanned fixed-wing aircraft

Abstract

The utility model discloses a cesium optical pump magnetic measurement system on an unmanned fixed-wing aircraft, and relates to the technical field of cesium optical pump magnetic measurement systems. The utility model comprises an unmanned aircraft body, both side surfaces of the unmanned aircraft body near the center are fixedly connected with side wings, the rear end of the unmanned aircraft body is fixedly connected with a tail wing, a battery, a flight recording box, an electric push rod and a data acquisition box are respectively fixedly installed inside the unmanned aircraft body, a push rod of the electric push rod is fixedly connected with a balance frame, and one end of the balance frame is vertically and position-limitedly penetrated and slid on the lower surface of the unmanned aircraft body, a stabilizer and a measuring camera are fixedly installed on the central lower surface of the balance frame, the outer surfaces of the balance frame on both sides of the measuring camera are symmetrically sleeved with a cesium optical pump sensor and a fluxgate compensation sensor, a group of wind blocking plates are fixedly connected to the lateral ends of the balance frame, and the electric push rod is fixedly installed on the lower surface of the fixed frame, which has the effect of improving detection accuracy.

Description

Technical Field

[0001] The utility model relates to the technical field of cesium optical pump magnetic measurement systems, in particular to a cesium optical pump magnetic measurement system on an unmanned fixed-wing aircraft. Background Art

[0002] The cesium optical pump magnetometer is an atomic magnetic moment arranged by optical pumping. Under the action of an alternating electromagnetic field of a specific frequency, it will produce a resonant absorption effect, disrupting the arrangement of atoms. Since extremely weak magnetic fields and their tiny disturbances contain extremely important information, we are prompted to find ways to measure these physical quantities. The cesium optical pump magnetometer is an example of high-precision measurement. It is a type of quantum magnetometer and is widely used in aeromagnetic surveys, ocean monitoring, geological exploration (mineral resource development, archaeology), earthquake prediction, and even medical and health systems.

[0003] The existing cesium optical pump magnetic measurement system used on unmanned fixed-wing aircraft has a fixed installation position, which results in a limited detection range and low detection accuracy. In addition, in the case of high-altitude operations, surging wind and balance will also affect the accuracy of detection. Utility Model Content

[0004] The utility model aims to provide a cesium optical pump magnetic measurement system for an unmanned fixed-wing aircraft, which solves the technical problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: A cesium optical pump magnetic measurement system on an unmanned fixed-wing aircraft, comprising an unmanned aircraft fuselage, both side surfaces of the unmanned aircraft fuselage near the center are fixedly connected to side wings, and the rear end of the unmanned aircraft fuselage is fixedly connected to a tail wing;

[0006] A battery, a flight recording box, an electric push rod and a data acquisition box are fixedly installed inside the drone body, respectively; a gimbal is fixedly connected to the push rod of the electric push rod, and one end of the gimbal is vertically and limitedly penetrated and slid on the lower surface of the drone body; a stabilizer and a measuring camera are fixedly installed on the central lower surface of the gimbal; a cesium optical pump sensor and a fluxgate compensation sensor are symmetrically sleeved on the outer surfaces of both sides of the gimbal located on the measuring camera; a group of wind resistance plates are fixedly connected to the lateral ends of the gimbal.

[0007] Optionally, a fixing frame is fixedly connected to an inner wall on one side of the drone body close to the center, and the electric push rod is fixedly installed on the lower surface of the fixing frame.

[0008] Optionally, a wiring cavity for connecting cables is provided inside the gimbal, and the wiring cavity passes through the surface of the drone body and is correspondingly connected to the stabilizer, the measuring camera, the cesium optical pump sensor and the fluxgate compensation sensor.

[0009] Optionally, a top surface of the balancing frame is provided with a wire threading slot communicating with the wiring inner cavity.

[0010] Optionally, the upper surfaces of the cesium optical pump sensor and the fluxgate compensation sensor are both fixedly connected with a fixed sleeve clamp, and the fixed sleeve clamp is slidably sleeved on the outer surface of the balance frame.

[0011] Optionally, a group of symmetrical connecting slot plates are symmetrically connected to one side surface of the balancing frame, the connecting slot plates are clamped at the center of the fixing sleeve clamp, and bolts are threadedly connected between the connecting slot plates and the fixing sleeve clamp.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model utilizes a design with an electric push rod to push the balance frame, so that the operator can drive the electric push rod according to the detection range. The push rod of the electric push rod drives the balance frame to slide on the lower surface of the drone body. The balance frame synchronously drives the cesium optical pump sensor, fluxgate compensation sensor and measuring camera used for detection to perform up and down displacement adjustment to ensure the expansion of the detection range. In addition, compared with other types of magnetic measuring instruments, the fluxgate compensation sensor has the characteristics of high resolution, wide weak magnetic field measurement range, reliability and simplicity, which can further ensure the characteristics of wide detection range and high detection accuracy.

[0014] Second, the utility model cooperates with the wind-blocking plates on both sides of the gimbal and the stabilizer, so that when the operator drives the drone body to rise, the wind-blocking plates on both sides of the gimbal can not only block the wind force, but also provide a balancing force to ensure the low-impedance takeoff of the drone body and maintain a horizontal and balanced flight state at high altitudes. The stabilizer, based on the gimbal, offsets the shaking generated during flight through the stabilizer, thereby increasing the shooting quality of the measuring camera, thereby achieving the purpose of high detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the front view of the structure of the utility model;

[0016] Figure 2 It is a front cross-sectional view of the structure of the utility model;

[0017] Figure 3 For this utility model Figure 2 A magnified schematic diagram of the structure at center A;

[0018] Figure 4 It is an enlarged schematic diagram of part of the structure of the utility model.

[0019] In the figure: 1-unmanned aerial vehicle body, 2-wings, 3-tail, 4-battery, 5-data acquisition box, 6-flight recording box, 7-fixed frame, 8-electric push rod, 9-balance frame, 10-threading slot, 11-wiring inner cavity, 12-cesium light pump sensor, 13-fluxgate compensation sensor, 14-fixed sleeve clamp, 15-connecting slot plate, 16-bolt, 17-stabilizer, 18-measuring camera, 19-wind baffle. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1, please refer to Figures 1 to 4 , the utility model provides a technical solution:

[0022] A cesium optical pump magnetic measurement system for an unmanned fixed-wing aircraft comprises an unmanned aircraft body 1, side wings 2 are fixedly connected to both sides of the unmanned aircraft body 1 near the center, and a tail 3 is fixedly connected to the rear end of the unmanned aircraft body 1;

[0023] A battery 4, a flight recorder box 6, an electric push rod 8 and a data acquisition box 5 are fixedly installed inside the drone body 1. A fixing frame 7 is fixedly connected to the inner wall of one side near the center of the drone body 1, and the electric push rod 8 is fixedly installed on the lower surface of the fixing frame 7. A gimbal 9 is fixedly connected to the push rod of the electric push rod 8, and one end of the gimbal 9 is vertically and limit-penetratingly slidable on the lower surface of the drone body 1. A stabilizer 17 and a measuring camera 18 are fixedly installed on the central lower surface of the gimbal 9. The outer surfaces of the gimbal 9 on both sides of the measuring camera 18 are symmetrically sleeved with a cesium optical pump sensor 12 and a fluxgate compensation sensor 13, and a group of wind blocking plates 19 are fixedly connected to the lateral ends of the gimbal 9.

[0024] More specifically, in this embodiment, the drone body 1 flies in the sky by driving the tail 3 and balancing the side wings 2. The operator can drive the electric push rod 8 according to the detection range. The push rod of the electric push rod 8 drives the balance frame 9 to slide on the lower surface of the drone body 1. The balance frame 9 simultaneously drives the cesium optical pump sensor 12, the fluxgate compensation sensor 13 and the measuring camera 18 used for detection to perform up and down displacement adjustments to ensure the expansion of the detection range. In addition, compared with other types of magnetic measuring instruments, the fluxgate compensation sensor 13 has the characteristics of high resolution, wide weak magnetic field measurement range, reliability and simplicity, which can further ensure the characteristics of wide detection range and high detection accuracy.

[0025] When the operator drives the drone body 1 to rise, the wind blocking plates 19 on both sides of the gimbal 9 can not only block the wind, but also provide a balancing force to ensure the low-impedance takeoff of the drone body 1 and maintain a horizontal and balanced flight state at high altitudes. The stabilizer 17 is based on the gimbal 9 and offsets the shaking generated during flight, thereby increasing the shooting quality of the measuring camera 18, thereby achieving the purpose of high detection accuracy.

[0026] The data and image data detected by the cesium optical pump sensor 12, the fluxgate compensation sensor 13 and the measuring camera 18 will be collected and stored by the data acquisition box 5, and the flight record box 6 will store the flight record of the drone body 1 for backup.

[0027] Furthermore, a wiring lumen 11 for connecting cables is provided inside the gimbal 9, and the wiring lumen 11 passes through the surface of the drone body 1 and is correspondingly connected to the stabilizer 17, the measuring camera 18, the cesium light pump sensor 12 and the fluxgate compensation sensor 13. A threading slot 10 connected to the wiring lumen 11 is provided on the top surface of the gimbal 9.

[0028] It is worth noting that the stabilizer 17 , the measuring camera 18 , the cesium optical pump sensor 12 and the fluxgate compensation sensor 13 are connected to the corresponding driving control components inside the drone body 1 through the wiring lumen 11 and the threading slot 10 .

[0029] Embodiment 2, based on the above embodiment:

[0030] Furthermore, the upper surfaces of the cesium light pump sensor 12 and the fluxgate compensation sensor 13 are fixedly connected with a fixed sleeve clamp 14, which is slidably mounted on the outer surface of the balance frame 9. A group of symmetrical connecting slot plates 15 are symmetrically connected to the surface of one side of the balance frame 9. The connecting slot plates 15 are clamped at the center of the fixed sleeve clamp 14, and bolts 16 are threadedly connected between the connecting slot plates 15 and the fixed sleeve clamp 14.

[0031] More specifically, in this embodiment, the cesium optical pump sensor 12 and the fluxgate compensation sensor 13 can be slidably mounted on the outside of the balance frame 9 through a fixed sleeve clamp 14 until the connecting slot plate 15 is slidably inserted into the interior of the fixed sleeve clamp 14, and finally firmly installed with bolts 16, which is easy to install and disassemble and convenient to operate.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cesium optical pump magnetic measurement system for an unmanned fixed-wing aircraft, comprising an unmanned aircraft fuselage (1), characterized in that: Side wings (2) are fixedly connected to both side surfaces of the drone body (1) close to the center, and a tail wing (3) is fixedly connected to the rear end of the drone body (1); A battery (4), a flight recording box (6), an electric push rod (8) and a data acquisition box (5) are fixedly installed inside the unmanned aerial vehicle body (1), respectively; a push rod of the electric push rod (8) is fixedly connected to a balance frame (9), and one end of the balance frame (9) is vertically and position-limitedly penetrated and slid on the lower surface of the unmanned aerial vehicle body (1); a stabilizer (17) and a measuring camera (18) are fixedly installed on the central lower surface of the balance frame (9); a cesium optical pump sensor (12) and a fluxgate compensation sensor (13) are symmetrically sleeved on the outer surfaces of both sides of the measuring camera (18); and a group of wind blocking plates (19) are fixedly connected to the lateral ends of the balance frame (9).

2. The cesium optical pump magnetic measurement system for an unmanned fixed-wing aircraft according to claim 1, characterized in that: A fixing frame (7) is fixedly connected to an inner wall of one side of the drone body (1) close to the center, and the electric push rod (8) is fixedly mounted on the lower surface of the fixing frame (7).

3. The cesium optical pump magnetic measurement system for an unmanned fixed-wing aircraft according to claim 1, characterized in that: The gimbal (9) is provided with a wiring inner cavity (11) for connecting cables, and the wiring inner cavity (11) passes through the surface of the drone body (1) and is correspondingly connected to the stabilizer (17), the measuring camera (18), the cesium optical pump sensor (12) and the fluxgate compensation sensor (13).

4. The cesium optical pump magnetic measurement system for an unmanned fixed-wing aircraft according to claim 3, characterized in that: The top surface of the balancing frame (9) is provided with a wire threading slot (10) which is in communication with the wiring inner cavity (11).

5. The cesium optical pump magnetic measurement system for an unmanned fixed-wing aircraft according to claim 1, characterized in that: The upper surfaces of the cesium optical pump sensor (12) and the fluxgate compensation sensor (13) are both fixedly connected with a fixed sleeve clamp (14), and the fixed sleeve clamp (14) is slidably sleeved on the outer surface of the balance frame (9).

6. The cesium optical pump magnetic measurement system for an unmanned fixed-wing aircraft according to claim 5, characterized in that: A group of symmetrical connecting slot plates (15) are symmetrically connected to one side surface of the balancing frame (9); the connecting slot plates (15) are clamped at the center of the fixing sleeve clamp (14); and bolts (16) are threadedly connected between the connecting slot plates (15) and the fixing sleeve clamp (14).

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