CN212890976U - Survey and drawing extension formula protection device for unmanned aerial vehicle - Google Patents
Survey and drawing extension formula protection device for unmanned aerial vehicle Download PDFInfo
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- CN212890976U CN212890976U CN202021933010.8U CN202021933010U CN212890976U CN 212890976 U CN212890976 U CN 212890976U CN 202021933010 U CN202021933010 U CN 202021933010U CN 212890976 U CN212890976 U CN 212890976U
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Abstract
The utility model provides an extended protection device for surveying and mapping unmanned aerial vehicle, which relates to the technical field of unmanned aerial vehicle protection and solves the problems that the existing extended protection device for unmanned aerial vehicle can not control and discharge airflow and can not assist the unmanned aerial vehicle to stably land when in use and buffer protection; the main body is an unmanned aerial vehicle body, and connecting holes are formed in two sides of the bottom of the main body; the inner end of the moving plate is embedded in the side groove. The movable plate is when unmanned aerial vehicle appears falling out of control, and unmanned aerial vehicle falls downwards, and the bottom part moves up with the air contact atress, and then drives trigger piece rebound for the mounting can be relieved fixed to the movable plate, makes the movable plate can outwards remove through the power of atress board receiving spring, makes the movable plate can expand, thereby makes the main part can be by supplementary buffering whereabouts impact force, and control air current removes to both sides through the reposition of redundant personnel hole.
Description
Technical Field
The utility model belongs to the technical field of the unmanned aerial vehicle protection, more specifically say, in particular to survey and drawing extension formula protection device for unmanned aerial vehicle.
Background
Survey and drawing unmanned aerial vehicle is when using, if reach the position of far away and draw the survey, break away from control range or when not having the electricity, the phenomenon that falls appears easily to lead to unmanned aerial vehicle to break.
For example, application No.: CN201920235225.3 relates to an extension formula protection device for survey and drawing unmanned aerial vehicle, including the fixed control box that sets up at the organism top, the control box internal fixation is provided with controller and battery, the top surface and four sides of control box respectively fixedly are provided with a protection unit, the protection unit includes the third sleeve with control box fixed connection, the fixed solid ring that is provided with on the outer wall of third sleeve, the fixed laser ranging sensor that is provided with on the solid ring, the fixed baffle that is provided with in the third sleeve, the baffle separates the inside first cavity and the second cavity of third sleeve, the fixed motor that is provided with in the second cavity, it is provided with the second sleeve to slide in the first cavity, it is provided with first sleeve to slide in the second sleeve, the one end fixedly connected with contact of first sleeve dorsad control box, be connected with the spring between contact and the baffle, and the contact is connected with the output shaft of motor through the rope. The utility model discloses can conveniently upgrade active service survey and drawing unmanned aerial vehicle, make it can avoid hitting around the object and take place to damage.
Based on discovery among the prior art, current unmanned aerial vehicle extension formula protection device is when using, in the buffering protection, can't discharge airflow control, can't assist the steady descending of unmanned aerial vehicle, and current unmanned aerial vehicle extension formula protection device when using, can't trigger the protection at the very first time that unmanned aerial vehicle is out of control, can't cushion the impact force when unmanned aerial vehicle steadily falls to the ground, avoids unmanned aerial vehicle to appear damaging.
Therefore, in view of the above, research and improvement are made on the existing structure and defects, and an extended protection device for a surveying and mapping unmanned aerial vehicle is provided, so as to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an extension formula protection device for survey and drawing unmanned aerial vehicle, with solve current unmanned aerial vehicle extension formula protection device when using, in the buffering protection, can't discharge airflow control, can't assist the steady descending of unmanned aerial vehicle, and current unmanned aerial vehicle extension formula protection device is when using, can't trigger the protection at the very first time that unmanned aerial vehicle is out of control, can't cushion the impact force when unmanned aerial vehicle steadily falls to the ground, avoid unmanned aerial vehicle the problem that damages to appear.
The utility model discloses survey and drawing unmanned aerial vehicle reaches with extension formula protection device's purpose and efficiency by following concrete technical means:
an expansion type protection device for a surveying and mapping unmanned aerial vehicle comprises a main body, a movable plate, a trigger piece and a bottom piece; the main body is an unmanned aerial vehicle body, and connecting holes are formed in two sides of the bottom of the main body; the inner end of the movable plate is embedded in the side groove, and the inner sides of the stress plates on the two sides of the movable plate are connected with the inner parts on the two sides of the side groove through springs; the trigger piece is arranged in the trigger groove, the top end of the trigger piece is connected with the top end of the trigger groove through a spring, and the fixing pieces on two sides of the trigger piece are inserted above the inner end of the moving plate; the bottom piece is arranged at the bottom of the connecting plate, and the top end of the bottom piece is fixedly connected with the bottom of the trigger piece.
Furthermore, the main body comprises a connecting plate, a triggering groove and a side groove, the connecting plate is of a T-shaped plate structure, a convex block is arranged in the middle of the top end of the connecting plate, and two sides of the connecting plate are connected with the connecting holes of the main body through connecting holes and bolts; a trigger groove is arranged in the middle of the interior of the main body and is of a T-shaped structure; two sides of the connecting plate are provided with two side grooves which are of T-shaped structures.
Furthermore, the movable plate comprises a stress plate, a stress groove and a shunting hole, the outer end of the movable plate is made of hard foam, and the inner end of the movable plate is made of plastic; the movable plate is of an L-shaped plate structure, and an inclined structure is arranged above the inner end of the movable plate; two stress plates are arranged on two sides of the moving plate, and the stress plates are of rectangular plate structures; the bottom of the moving plate is provided with a stress groove, and the interior of the stress groove is of an inclined structure; the outer side of the stress groove is provided with evenly arranged shunting holes which are of an inclined structure, and the inner ends of the shunting holes are of a horn-shaped structure.
Furthermore, the trigger piece comprises a fixing piece, the trigger piece is of a rectangular structure, and two fixing pieces are arranged on two sides of the top end of the trigger piece; the fixing piece is of an L-shaped structure, and the outer side of the fixing piece is of a wedge-shaped structure.
Furthermore, the bottom piece comprises a bottom groove and a supporting piece, the bottom piece is of a rectangular structure, and the bottom piece is made of a hard foam material; the bottom of the bottom piece is provided with a bottom groove which is of a rectangular structure, and the outer side of the bottom groove is of an inclined structure; four supporting pieces are arranged on two sides of the bottom piece, the supporting pieces are of Z-shaped structures, and the bottoms of the outer sides of the supporting pieces are of inclined structures.
Compared with the prior art, the utility model discloses following beneficial effect has:
in the device, a movable plate and a bottom piece are arranged, when the unmanned aerial vehicle is out of control and falls, the unmanned aerial vehicle falls downwards, the bottom piece is contacted with air and moves upwards to drive a trigger piece to move upwards, so that the fixing piece can release the fixation of the movable plate, the movable plate can move outwards through the power of a stress plate receiving spring, the movable plate can be unfolded, the main body can be buffered by assistance, the falling impact force can be buffered, the airflow can be controlled to move towards two sides through a diversion hole, the airflow can be smoothly controlled and discharged, the unmanned aerial vehicle can fall more stably, the bottom of the unmanned aerial vehicle can fall towards the ground, the movable plate is of an L-shaped structure, the movable plate is in order that after the trigger piece and the fixing piece receive the power of the spring and move downwards, the fixing piece can be contacted and fixed with the upper part of the inner end of the movable plate, and when the, the movable plate can be limited, an inclined structure is arranged above the inner end of the movable plate, so that when the movable plate is reused and fixed, the movable plate can be directly pushed inwards, the inner end of the movable plate is placed upwards and can be contacted with the bottom of the outer side of the fixing piece, the trigger piece can be lifted, the fixing piece can fix the movable plate again, the stress plate is used for receiving the power of the spring, when the fixing piece is lifted to remove the fixing of the movable plate, the spring can support the stress plate to move outwards, the movable plate is unfolded for use, the stress groove is arranged at the bottom of the movable plate, the stress groove can better assist the movable plate to float after the movable plate is unfolded, the falling impact force is relieved, the inclined structure is arranged inside the stress groove, so that the airflow can be guided outwards, and the airflow can be uniformly discharged outwards through the shunting holes, the device can be more gentle when falling, and the inner ends of the shunting holes are of horn-shaped structures, so that airflow can be converged and discharged when passing through and discharged;
still what is more, the bottom is after the device is controlled to meet, the bottom is stressed and floated the first time, and then control the trigger piece and the fixed part to move upwards, and then remove the fixation to the movable plate, make the movable plate pop out the protection, and after the movable plate expandes, can assist the device to land steadily, make the support piece of bottom can contact with ground, thus make the bottom can be with the fixed part together with the spring top of the trigger piece to move, and then cushion the whereabouts impact force, avoid unmanned aerial vehicle to be damaged, the bottom is comparatively hard foam material, in order to can effectual buffering whereabouts impact force, thus make unmanned aerial vehicle have more floating capacity, the kerve is used for the auxiliary control air current, make the air current can be in the inside of kerve temporarily, thus slow down the falling speed of the device, and the support piece is used for direct contact with ground, thus the effective buffering impact force, thereby solved when using, in the buffering protection, can't discharge airflow control, can't assist the steady descending of unmanned aerial vehicle, and current unmanned aerial vehicle extension formula protection device can't trigger the protection at the very first time that unmanned aerial vehicle is out of control when using, can't cushion the impact force when unmanned aerial vehicle steadily falls to the ground, avoids unmanned aerial vehicle to appear the problem of damaging.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of a local cross-section structure of the connection plate of the present invention.
Fig. 3 is a schematic view of the three-dimensional and partial cross-sectional structure of the connection plate of the present invention.
Fig. 4 is a schematic perspective view of the moving plate and the bottom member of the present invention.
Fig. 5 is a schematic view of the bottom view of the local section of the movable plate of the present invention.
Fig. 6 is a schematic bottom view of the bottom member of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a main body; 101. a connecting plate; 102. a trigger slot; 103. a side groove; 2. moving the plate; 201. a stress plate; 202. a stress groove; 203. a shunt hole; 3. a trigger; 301. a fixing member; 4. a bottom piece; 401. a bottom groove; 402. and a support member.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 6:
the utility model provides an extended protection device for surveying and mapping unmanned aerial vehicle, which comprises a main body 1, a movable plate 2, a trigger piece 3 and a bottom piece 4; the main body 1 is an unmanned aerial vehicle body, connecting holes are formed in two sides of the bottom of the main body 1, and the side grooves 103 are used for mounting the moving plate 2, so that the moving plate 2 can move inside the main body through springs; the inner end of the moving plate 2 is embedded in the side groove 103, the inner sides of the stress plates 201 on the two sides of the moving plate 2 are connected with the inner sides of the two sides of the side groove 103 through springs, the stress plates 201 are used for receiving the power of the springs, when the fixing piece 301 ascends to release the fixing of the moving plate 2, the springs can support the stress plates 201 to move outwards, so that the moving plate 2 is unfolded for use, the stress grooves 202 are arranged at the bottom of the moving plate 2, after the moving plate 2 is unfolded, the stress grooves 202 can better assist the moving plate 2 to float and slow down the falling impact force, the inner parts of the stress grooves 202 are of an inclined structure, so that the airflow can be guided outwards, and further the airflow can be uniformly discharged outwards through the shunting holes 203, so that the descending of the device can be more gentle, the inner ends of the shunting holes 203 are of a horn-shaped structure, so that when the airflow is discharged, can be collected and discharged; the trigger 3 is installed inside the trigger groove 102, the top end of the trigger 3 is connected with the top end of the trigger groove 102 through a spring, the fixing pieces 301 on two sides of the trigger 3 are inserted above the inner end of the moving plate 2, and the bottom of the outer side of each fixing piece 301 is of an inclined structure, so that when the moving plate 2 is reset again, the trigger 3 can be jacked to move upwards again, and the moving plate 2 is further fixed again; the bottom piece 4 is arranged at the bottom of the connecting plate 101, the top end of the bottom piece 4 is fixedly connected with the bottom of the trigger piece 3, the bottom groove 401 is used for assisting in controlling air flow, so that the air flow can be temporarily arranged inside the bottom groove 401, the falling speed of the device is reduced, and the support piece 402 is used for directly contacting with the ground, so that the impact force is effectively buffered; the main body 1 comprises a connecting plate 101, a trigger groove 102 and a side groove 103, the connecting plate 101 is of a T-shaped plate structure, a convex block is arranged in the middle of the top end of the connecting plate 101, and two sides of the connecting plate 101 are connected with connecting holes of the main body 1 through connecting holes and bolts; a trigger groove 102 is formed in the middle of the interior of the main body 1, and the trigger groove 102 is of a T-shaped structure; two side grooves 103 are arranged on two sides of the connecting plate 101, the side grooves 103 are of T-shaped structures, the connecting plate 101 is used for being directly connected with the bottom of the main body 1 through bolts and connecting holes, so that the connecting plate 101 can be freely disassembled and assembled, and the trigger groove 102 is used for installing the trigger 3, so that the spring can be positioned in the spring to push the trigger 3 to move; the movable plate 2 comprises a stress plate 201, a stress groove 202 and a shunting hole 203, wherein the outer end of the movable plate 2 is made of hard foam materials, and the inner end of the movable plate 2 is made of plastic materials; the moving plate 2 is of an L-shaped plate structure, and an inclined structure is arranged above the inner end of the moving plate 2; two stress plates 201 are arranged on two sides of the moving plate 2, and the stress plates 201 are in rectangular plate structures; the bottom of the moving plate 2 is provided with a stress groove 202, and the stress groove 202 is internally of an inclined structure; the outer side of the stress groove 202 is provided with evenly arranged shunting holes 203, the shunting holes 203 are of an inclined structure, the inner ends of the shunting holes 203 are of a horn structure, when the unmanned aerial vehicle falls out of control, the unmanned aerial vehicle falls downwards, the bottom piece 4 is contacted with air and moves upwards under stress, and then the trigger piece 3 is driven to move upwards, so that the fixing piece 301 can remove the fixation of the movable plate 2, the movable plate 2 can move outwards by the power of the stress plate 201 receiving spring, so that the movable plate 2 can be unfolded, the main body 1 can be buffered to fall downwards by auxiliary buffering, and the airflow is controlled to move towards two sides by the impact force of the shunting holes 203, so that the airflow can be smoothly controlled to be discharged, the unmanned aerial vehicle can fall more stably, the bottom of the unmanned aerial vehicle can fall towards the ground, the movable plate 2 is of an L-shaped structure, and after the trigger piece 3 and the fixing piece 301 receive the power of the spring, the fixing piece 301 can be contacted and fixed with the upper part of the inner end of the moving plate 2, so that when the device is not triggered to be used, the moving plate 2 can be limited, and the upper part of the inner end of the moving plate 2 is of an inclined structure, so that when the moving plate 2 is used and fixed again, the upper part of the inner end of the moving plate 2 can be directly pushed inwards, the inner end of the moving plate 2 is placed upwards and can be contacted with the bottom of the outer side of the fixing piece 301, the triggering piece 3 can be lifted, and the fixing piece 301 can fix the moving plate 2 again; the trigger 3 comprises a fixing piece 301, the trigger 3 is of a rectangular structure, and two fixing pieces 301 are arranged on two sides of the top end of the trigger 3; the fixing piece 301 is of an L-shaped structure, the outer side of the fixing piece 301 is of a wedge-shaped structure, the trigger piece 3 is used for being connected with the bottom piece 4, the trigger piece 3 can receive spring power in the trigger groove 102, when the unmanned aerial vehicle is out of control, the bottom piece 4 can be stressed to drive the trigger piece 3 to move upwards, the fixing piece 301 can be separated from fixing the moving plate 2, the moving plate 2 can protect the device, and the fixing piece 301 is of the L-shaped structure and is used for effectively contacting the top end in the moving plate 2 and further effectively pulling and fixing the moving plate 2; the bottom piece 4 comprises a bottom groove 401 and a support piece 402, the bottom piece 4 is of a rectangular structure, and the bottom piece 4 is made of hard foam materials; the bottom of the bottom piece 4 is provided with a bottom groove 401, the bottom groove 401 is of a rectangular structure, and the outer side of the bottom groove 401 is of an inclined structure; the both sides of end 4 are equipped with four support piece 402, and support piece 402 is the Z shape structure, and the outside bottom of support piece 402 is slope column structure, end 4 is after this device is the control meeting, end 4 atress is floated for the very first time, and then control trigger piece 3 and mounting 301 can the rebound, and then remove the fixed to movable plate 2, make movable plate 2 can pop out the protection, and after movable plate 2 expandes, can assist the steady falling to the ground of this device, make the support piece 402 of end 4 bottom can contact with ground, thereby make end 4 can with mounting 301 together with the spring top that triggers 3 tops of piece move, and then cushion the whereabouts impact force, avoid unmanned aerial vehicle impaired, end 4 is comparatively hard foam material, in order can effectual buffering impact force whereabouts, thereby make unmanned aerial vehicle have more the floating capacity.
The specific use mode and function of the embodiment are as follows:
in the utility model, when the device is needed, the connecting plate 101 can be controlled by manpower to be connected with the main body 1, so that the connecting hole can be fixed by the bolt, then the unmanned aerial vehicle is controlled to carry out flight mapping, when the unmanned aerial vehicle is in outage or flies out of a control area in the flight process, the unmanned aerial vehicle is stressed and falls, when the unmanned aerial vehicle falls, the bottom piece 4 receives air flow, the bottom piece 4 drives the trigger piece 3 to move upwards, the trigger piece 3 can compress the spring, the fixing piece 301 relieves the fixed limit of the movable plate 2, the movable plate 2 can receive the power of the spring through the stress plate 201 to move outwards, so that the movable plate 2 can be unfolded to assist in buffering falling impact force, after the movable plate 2 is unfolded, the stress groove 202 can control the air flow to move towards two sides, so that the air flow can be sprayed out through the shunting hole 203, and the device, make kerve 401 also can assist buffering whereabouts impact force, and then reduce this device falling speed, and after this device and ground contact, support piece 402 can with ground contact, make support piece 402 can drive bottom part 4 rebound, if movable plate 2 is not triggered at the preliminary out of control of unmanned aerial vehicle, can trigger here and expand protection unmanned aerial vehicle, and bottom part 4 when the rebound, drive trigger 3 together with the spring compression, and then effectual buffering impact force, effectually protect unmanned aerial vehicle.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. The utility model provides a survey and drawing extension formula protection device for unmanned aerial vehicle which characterized in that: comprises a main body (1), a moving plate (2), a trigger piece (3) and a bottom piece (4); the main body (1) is an unmanned aerial vehicle body, and connecting holes are formed in two sides of the bottom of the main body (1); the inner end of the moving plate (2) is embedded in the side groove (103), and the inner sides of the stress plates (201) on the two sides of the moving plate (2) are connected with the inner parts on the two sides of the side groove (103) through springs; the trigger piece (3) is arranged in the trigger groove (102), the top end of the trigger piece (3) is connected with the top end of the trigger groove (102) through a spring, and the fixing pieces (301) on two sides of the trigger piece (3) are inserted above the inner end of the moving plate (2); the bottom piece (4) is arranged at the bottom of the connecting plate (101), and the top end of the bottom piece (4) is fixedly connected with the bottom of the trigger piece (3).
2. An extended protection device for an unmanned aerial vehicle for surveying and mapping according to claim 1, wherein: the main body (1) comprises a connecting plate (101), a trigger groove (102) and a side groove (103), the connecting plate (101) is of a T-shaped plate structure, a convex block is arranged in the middle of the top end of the connecting plate (101), and two sides of the connecting plate (101) are connected with the connecting hole of the main body (1) through connecting holes and bolts; a trigger groove (102) is formed in the middle of the interior of the main body (1), and the trigger groove (102) is of a T-shaped structure; two sides of the connecting plate (101) are provided with two side grooves (103), and the side grooves (103) are of T-shaped structures.
3. An extended protection device for an unmanned aerial vehicle for surveying and mapping according to claim 1, wherein: the movable plate (2) comprises a stress plate (201), a stress groove (202) and a shunting hole (203), the outer end of the movable plate (2) is made of hard foam materials, and the inner end of the movable plate (2) is made of plastic materials; the movable plate (2) is of an L-shaped plate structure, and an inclined structure is arranged above the inner end of the movable plate (2); two stress plates (201) are arranged on two sides of the moving plate (2), and the stress plates (201) are of rectangular plate-shaped structures; the bottom of the moving plate (2) is provided with a stress groove (202), and the stress groove (202) is internally of an inclined structure; the outer side of the stress groove (202) is provided with evenly arranged shunting holes (203), the shunting holes (203) are of an inclined structure, and the inner ends of the shunting holes (203) are of a horn-shaped structure.
4. An extended protection device for an unmanned aerial vehicle for surveying and mapping according to claim 1, wherein: the trigger piece (3) comprises a fixing piece (301), the trigger piece (3) is of a rectangular structure, and two fixing pieces (301) are arranged on two sides of the top end of the trigger piece (3); the fixing piece (301) is of an L-shaped structure, and the outer side of the fixing piece (301) is of a wedge-shaped structure.
5. An extended protection device for an unmanned aerial vehicle for surveying and mapping according to claim 1, wherein: the bottom piece (4) comprises a bottom groove (401) and a support piece (402), the bottom piece (4) is of a rectangular structure, and the bottom piece (4) is made of a hard foam material; a bottom groove (401) is formed in the bottom of the bottom piece (4), the bottom groove (401) is of a rectangular structure, and the outer side of the bottom groove (401) is of an inclined structure; four supporting pieces (402) are arranged on two sides of the bottom piece (4), the supporting pieces (402) are Z-shaped structures, and the bottom of the outer side of each supporting piece (402) is of an inclined structure.
Priority Applications (1)
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CN202021933010.8U CN212890976U (en) | 2020-09-07 | 2020-09-07 | Survey and drawing extension formula protection device for unmanned aerial vehicle |
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CN202021933010.8U CN212890976U (en) | 2020-09-07 | 2020-09-07 | Survey and drawing extension formula protection device for unmanned aerial vehicle |
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CN202021933010.8U Expired - Fee Related CN212890976U (en) | 2020-09-07 | 2020-09-07 | Survey and drawing extension formula protection device for unmanned aerial vehicle |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113467511A (en) * | 2021-07-15 | 2021-10-01 | 广西壮族自治区自然资源调查监测院 | Unmanned aerial vehicle task cooperation method and system |
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2020
- 2020-09-07 CN CN202021933010.8U patent/CN212890976U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113467511A (en) * | 2021-07-15 | 2021-10-01 | 广西壮族自治区自然资源调查监测院 | Unmanned aerial vehicle task cooperation method and system |
CN113467511B (en) * | 2021-07-15 | 2022-12-27 | 广西壮族自治区自然资源调查监测院 | Unmanned aerial vehicle task cooperation method and system |
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Granted publication date: 20210406 Termination date: 20210907 |