CN214138956U - Aeromagnetic geophysical prospecting unmanned aerial vehicle wing tip mounting device with adjustable posture - Google Patents
Aeromagnetic geophysical prospecting unmanned aerial vehicle wing tip mounting device with adjustable posture Download PDFInfo
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- CN214138956U CN214138956U CN202022494194.9U CN202022494194U CN214138956U CN 214138956 U CN214138956 U CN 214138956U CN 202022494194 U CN202022494194 U CN 202022494194U CN 214138956 U CN214138956 U CN 214138956U
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Abstract
The utility model relates to a wing tip mounting device of an aeromagnetic geophysical prospecting unmanned aerial vehicle with adjustable posture, which comprises a main wing outer vertical section, a probe outer cover, a forward extending probe rod and a magnetic probe; the wing tip of the main wing section of the unmanned aerial vehicle is provided with a main wing outer vertical section, two ends of the main wing outer vertical section are provided with magnetic probes, and a probe outer cover is arranged outside the magnetic probes; the forward extending probe rod is perpendicular to the vertical section of the outer side of the main wing, namely parallel to the course direction of the unmanned aerial vehicle, and a magnetic probe is installed in the forward extending probe rod. According to the scheme, when the unmanned aerial vehicle performs geomagnetic field detection, the extra resistance of the unmanned aerial vehicle caused by probe arrangement can be effectively reduced, positive gain is provided for the lift-drag ratio of the whole unmanned aerial vehicle, and stable operation of the unmanned aerial vehicle in the aeromagnetic measurement operation process can be well guaranteed; simultaneously, the two sides of unmanned aerial vehicle totally 6 probes can adjust different gestures as required and reach the test requirement, improve the data accuracy of earth magnetism measurement result, provide high-quality earth magnetism measurement achievement.
Description
Technical Field
The utility model relates to an unmanned aerial vehicle aviation geophysical prospecting measures technical field, in particular to aeromagnetic geophysical prospecting unmanned aerial vehicle wingtip carry scheme of adjustable gesture.
Background
The aviation magnetic measurement system is an equipment system which is used for installing magnetic measurement equipment on an airplane or other aircrafts and carrying out operation activities related to geomagnetism such as prospecting by measuring the variation gradient of the geomagnetic field through a magnetic probe, and the operation of the magnetic measurement system can be used for knowing the distribution and the geological structure of local ore bodies and providing reference for solving the related problems of hydrology, environment and archaeology. Compared with the organic aerial magnetic geophysical prospecting, the unmanned aerial magnetic geophysical prospecting has the advantages of low cost, high safety, low complexity and the like, and is a geophysical prospecting mode widely applied in recent years.
The unmanned aerial vehicle aeromagnetic geophysical prospecting measuring system can use a fixed-wing unmanned aerial vehicle, a vertical take-off and landing fixed-wing unmanned aerial vehicle, an unmanned helicopter and a multi-rotor unmanned aerial vehicle as an aerial platform. China aerospace science and technology group company uses self-developed rainbow 3 and rainbow 4 series fixed wing unmanned aerial vehicles as aerial platforms, carries magnetic probes to form an unmanned aerial vehicle aerial geophysical prospecting operation main body, carries out geological and geographic geophysical prospecting operation for multiple units, and obtains good operation effect.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem be: overcome prior art's not enough, provide a aeromagnetic geophysical prospecting unmanned aerial vehicle wingtip carry device of adjustable gesture.
The utility model provides a technical scheme be: a wing tip mounting device of an aeromagnetic geophysical prospecting unmanned aerial vehicle with adjustable posture comprises a main wing outer side vertical section, a probe outer cover, a forward extending probe rod and a magnetic probe;
the wing tip of the main wing section of the unmanned aerial vehicle is provided with a main wing outer vertical section, two ends of the main wing outer vertical section are provided with magnetic probes, and a probe outer cover is arranged outside the magnetic probes; the front extension probe rod is perpendicular to the vertical section of the outer side of the main wing, and a magnetic probe is installed in the front extension probe rod.
Preferably, the probe cover uses a symmetrical wing type as a bus bar as a rotation body.
Preferably, the axis of the rotating body of the probe cover is parallel to the axis of the fuselage, and the joint of the probe cover and the vertical section outside the main wing adopts fillet smooth transition.
Preferably, the maximum thickness of the symmetrical airfoil is located at 0.3 of the chord length of the probe cover.
Preferably, the distance between the probe covers at the two ends of the vertical section outside the main wing is more than 6 times of the length of the probe covers along the heading direction, and the probe covers are located at the same coordinate position in the airflow direction.
Preferably, the positions of the magnetic probes arranged in each probe outer cover and the front stretching probe rod are kept at a distance of more than 3 meters from equipment with electromagnetic influence in the unmanned aerial vehicle body; the distance between the three magnetic probes is more than 1.5 meters.
Preferably, the probe outer cover and the vertical section outside the main wing are both hollow thin-shell structures, and the forward extending probe rod is a hollow rod.
Preferably, the vertical section outside the main wing is a hollow cylinder obtained by drawing by taking a symmetrical wing profile as a section, and the used wing profile is a naca symmetrical wing profile series.
Preferably, the forward extending probe rod and the vertical section outside the main wing are integrally formed, and the forward extending probe rod and the vertical section outside the main wing can rotate around a fixed axis along the span direction of the wing under the driving of a servo motor as a whole, the maximum angle range deviating from the vertical state is-30 degrees to +30 degrees, and the normal working state range is-10 degrees to +10 degrees.
Preferably, the probe outer cover, the forward extending probe rod and the outer vertical section of the main wing are all made of glass fiber composite materials.
Compared with the prior art, the utility model beneficial effect be:
the utility model discloses a but attitude-adjusting's aeromagnetic geophysical prospecting unmanned aerial vehicle wingtip carry scheme makes this kind of unmanned aerial vehicle possess the ability of the three magnetic probe of integration simultaneously in the main wing outside, can adjust the gesture of probe according to concrete operation demand, makes unmanned aerial vehicle can carry out the operation of magnetic prospecting more complicated, and three probes in unilateral make the earth magnetism measuring result precision effectively improve, contrast list probe, fixed two probes have obvious advantage. Simultaneously, designed the vertical section appearance of the outer cover of water droplet shape and the outside parcel probe connecting rod of main wing based on symmetrical wing section, played positive gain effect to the promotion of the whole aerodynamic performance of unmanned aerial vehicle.
The appearance of the utility model can effectively reduce the extra resistance brought by the probe arrangement of the unmanned aerial vehicle when the unmanned aerial vehicle detects the geomagnetic field and provide positive gain to the lift-drag ratio of the whole unmanned aerial vehicle, thereby well ensuring the stable operation of the unmanned aerial vehicle in the aeromagnetic measurement operation process; simultaneously, the two sides of unmanned aerial vehicle totally 6 probes can adjust different gestures as required and reach the test requirement, improve the data accuracy of earth magnetism measurement result, provide high-quality earth magnetism measurement achievement.
Drawings
FIG. 1 is a schematic diagram of the present invention in three equal views;
FIG. 2 is a schematic side view of the vertical section of the present invention;
FIG. 3 is a schematic view of a servo motor installed inside a wing of the present invention;
fig. 4 is the rear schematic view of the vertical section of the present invention after the whole rotation.
Detailed Description
The present invention will be further explained with reference to the following examples.
Referring to fig. 1-4, the utility model relates to a wing tip mounting device of aeromagnetic geophysical prospecting unmanned aerial vehicle with adjustable posture, which is used for realizing that three magnetic probes are arranged on the outer side wing of a main wing, and a fairing is arranged outside the probes; a servo motor 11 is arranged inside the wing; make unmanned aerial vehicle can carry out more complicated magnetism and visit the operation, three probes of unilateral make the earth magnetism measuring result precision obtain effective improvement. The utility model provides a geophysical prospecting unmanned aerial vehicle's this kind of magnetic probe arrangement mode, its two sides respectively have 3 probes to can rotate around span direction dead axle, when using unmanned aerial vehicle to carry out geomagnetic field measurement as aerial platform, the data accuracy that can show improvement measuring result than the operation of the same kind is effectual improvement and improvement to current aviation geophysical prospecting system. The system comprises an unmanned aerial vehicle main wing section 1, a main wing outer side vertical section 7, probe outer covers 4 and 5, a main wing inner aileron 3, an outer aileron 2, a forward extending probe rod 6 and a servo motor 11; with reference to fig. 2, magnetic probes 8, 9, 10 are included;
the magnetic probes 8/9 arranged in the probe housing 4 and the probe housing 5 are positioned at the wingtips of the unmanned aerial vehicle, and have enough distance from the fuselage equipment, so that the strength of a magnetic interference field generated by the fuselage equipment meets the requirement of a magnetic field environment required by the work of the magnetic probes at the wingtips; the magnetic probe cover 5 is far enough away from the magnetic probe cover 4 in the vertical direction; in addition, the distance between the front edge of the front extension probe 6, the magnetic probe cover 4 and the cover 5 in the direction of flight is enough. The arrangement mode enables 6 probes on two sides of the unmanned aerial vehicle to meet the requirement of the interference magnetic field environment where the unmanned aerial vehicle is located when magnetic field measurement operation is carried out. Through research, the positions of the magnetic probes arranged in each probe outer cover and the front stretching probe rod are kept at a distance of more than 3 meters from equipment with electromagnetic influence in an unmanned aerial vehicle body; the distance between the three magnetic probes is more than 1.5 meters, so that the requirement of the magnetic field environment required by the working of the magnetic probes can be met.
The fixed-wing unmanned aerial vehicle has high navigational speed, so the appearance of the fixed-wing unmanned aerial vehicle has large influence on the resistance, the magnetic probe outer cover 4 and the magnetic probe outer cover 5 are rotation bodies formed by optimizing the aerodynamic appearance parameters of the naca symmetrical wing section which adapt to the working condition and then using the optimized aerodynamic appearance parameters as the bus, so that the resistance increment caused by the arrangement of the probes is reduced to the maximum extent, and meanwhile, the aerodynamic lift is generated under a certain attack angle, thereby contributing a positive gain effect to the overall aerodynamic performance of the unmanned aerial vehicle; the axis of a rotating body of the two probe outer covers of the vertical section outside the main wing is parallel to the axis of the machine body, and the joint of the outer covers and the vertical section adopts fillet smooth transition; in addition, the distance between the probe cover 4 and the probe cover 5 is more than 6 times of the length of the probe cover along the course direction, the probe cover is positioned at the same coordinate position in the air flow direction, the mutual pneumatic interference can be ignored, and the pneumatic irregular interference caused by adding parts is eliminated. The resistance of the probe outer cover can reach the theoretical minimum, and a certain lift force is provided when the unmanned aerial vehicle has a flight attack angle; correspondingly, unmanned aerial vehicle is at the air flight in-process, and the probe dustcoat of parcel magnetic probe has reduced the resistance increment that only the probe brought on the one hand, and on the other hand protects magnetic probe and avoids high velocity air impact to influence, prevents that magnetic probe from receiving the impact of air current and impaired.
In the flying process of the unmanned aerial vehicle, under the influence of aerodynamic load of the unmanned aerial vehicle and irregular elastic vibration deformation of the main wing under the aerodynamic load, referring to fig. 1, the vertical section of the symmetrical wing profile after parameter optimization, namely the vertical section outside the main wing, is added at the wing tip, namely a wing tip winglet is added for the wing, and the effect of a slight lift-drag ratio positive gain is provided for the unmanned aerial vehicle within a common attack angle range. The vertical section outside the main wing is a hollow cylinder obtained by stretching the section of the symmetrical wing profile, and the used wing profile is a naca symmetrical wing profile series and can play a role in providing a slight lift-drag ratio positive gain. The forward extending probe rod and the vertical section are integrally formed, and the vertical section is fixedly connected with the main wing structure through bolts.
Referring to fig. 4, the vertical section and the protruding probe inserted into the main wing structure are made of a carbon fiber composite material, such as a glass fiber composite material, to minimize the structural weight while securing the structural strength and rigidity.
Although the present invention has been disclosed in the preferred embodiments, it is not intended to limit the present invention, and any person skilled in the art can use the above-mentioned method and technical contents to make possible changes and modifications to the technical solution of the present invention without departing from the spirit and scope of the present invention, therefore, any simple modification, equivalent changes and modifications made to the above embodiments by the technical substance of the present invention all belong to the protection scope of the technical solution of the present invention.
The non-detailed description of the present invention is within the common general knowledge of those skilled in the art.
Claims (10)
1. The utility model provides a device is carried to aeromagnetic geophysical prospecting unmanned aerial vehicle wingtip of adjustable gesture which characterized in that: comprises a vertical section outside the main wing, a probe outer cover, a forward extending probe rod and a magnetic probe;
the wing tip of the main wing section of the unmanned aerial vehicle is provided with a main wing outer vertical section, two ends of the main wing outer vertical section are provided with magnetic probes, and a probe outer cover is arranged outside the magnetic probes; the front extension probe rod is perpendicular to the vertical section of the outer side of the main wing, and a magnetic probe is installed in the front extension probe rod.
2. The wing tip mounting device of the aeromagnetic geophysical prospecting unmanned aerial vehicle with the adjustable posture as claimed in claim 1, wherein: the probe outer cover uses symmetrical wing type as a bus as a rotating body.
3. The wingtip mounting device of the aeromagnetic geophysical prospecting unmanned aerial vehicle with the adjustable posture as claimed in claim 2, wherein: the axis of a rotating body of the probe outer cover is parallel to the axis of the machine body, and the joint of the probe outer cover and the vertical section outside the main wing adopts fillet smooth transition.
4. The wingtip mounting device of the aeromagnetic geophysical prospecting unmanned aerial vehicle with the adjustable posture as claimed in claim 2, wherein: the maximum thickness of the symmetrical airfoil is located at 0.3 position of the chord length of the probe cover.
5. The wing tip mounting device of the aeromagnetic geophysical prospecting unmanned aerial vehicle with the adjustable posture as claimed in claim 1, wherein: the distance between the probe covers at the two ends of the vertical section outside the main wing is more than 6 times of the length of the probe covers along the course direction, and the probe covers are positioned at the same coordinate position in the airflow direction.
6. The wing tip mounting device of the aeromagnetic geophysical prospecting unmanned aerial vehicle with the adjustable posture as claimed in claim 1, wherein: the positions of the magnetic probes arranged in each probe outer cover and the front stretching probe rod are kept at a distance of more than 3 meters from equipment with electromagnetic influence in the unmanned aerial vehicle body; the distance between the three magnetic probes is more than 1.5 meters.
7. The wing tip mounting device of the aeromagnetic geophysical prospecting unmanned aerial vehicle with the adjustable posture as claimed in claim 1, wherein: the probe outer cover and the vertical section outside the main wing are both of hollow thin-shell structures, and the forward-extending probe rod is a hollow rod.
8. The wing tip mounting device of the aeromagnetic geophysical prospecting unmanned aerial vehicle with the adjustable posture as claimed in claim 1, wherein: the vertical section outside the main wing is a hollow cylinder obtained by stretching by taking a symmetrical wing section as a section, and the used wing section is a naca symmetrical wing section series.
9. The wing tip mounting device of the aeromagnetic geophysical prospecting unmanned aerial vehicle with the adjustable posture as claimed in claim 1, wherein: the front extension probe rod and the vertical section outside the main wing are integrally formed, and the front extension probe rod and the vertical section outside the main wing can rotate around a fixed axis along the span direction of the wing under the driving of a servo motor as a whole, the maximum angle range deviating from the vertical state is-30 degrees to +30 degrees, and the normal working state range is-10 degrees to +10 degrees.
10. The wing tip mounting device of the aeromagnetic geophysical prospecting unmanned aerial vehicle with the adjustable posture as claimed in claim 1, wherein: the outer probe cover, the forward extending probe rod and the vertical section outside the main wing are all made of glass fiber composite materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022494194.9U CN214138956U (en) | 2020-11-02 | 2020-11-02 | Aeromagnetic geophysical prospecting unmanned aerial vehicle wing tip mounting device with adjustable posture |
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| CN202022494194.9U CN214138956U (en) | 2020-11-02 | 2020-11-02 | Aeromagnetic geophysical prospecting unmanned aerial vehicle wing tip mounting device with adjustable posture |
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| CN214138956U true CN214138956U (en) | 2021-09-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373689A (en) * | 2020-11-02 | 2021-02-19 | 中国航天空气动力技术研究院 | Aeromagnetic geophysical prospecting unmanned aerial vehicle wing tip mounting device with adjustable posture |
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- 2020-11-02 CN CN202022494194.9U patent/CN214138956U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373689A (en) * | 2020-11-02 | 2021-02-19 | 中国航天空气动力技术研究院 | Aeromagnetic geophysical prospecting unmanned aerial vehicle wing tip mounting device with adjustable posture |
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