CN116902237A - Remote sensing unmanned aerial vehicle and application method thereof - Google Patents
Remote sensing unmanned aerial vehicle and application method thereof Download PDFInfo
- Publication number
- CN116902237A CN116902237A CN202311007861.8A CN202311007861A CN116902237A CN 116902237 A CN116902237 A CN 116902237A CN 202311007861 A CN202311007861 A CN 202311007861A CN 116902237 A CN116902237 A CN 116902237A
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 239000000853 adhesive Substances 0.000 claims abstract description 9
- 230000001070 adhesive effect Effects 0.000 claims abstract description 9
- 238000013507 mapping Methods 0.000 claims abstract description 7
- 230000007306 turnover Effects 0.000 claims description 13
- 239000010720 hydraulic oil Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 5
- 239000012634 fragment Substances 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 230000009471 action Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 208000004067 Flatfoot Diseases 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 238000013506 data mapping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
- B64U10/13—Flying platforms
- B64U10/14—Flying platforms with four distinct rotor axes, e.g. quadcopters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/58—Arrangements or adaptations of shock-absorbers or springs
- B64C25/62—Spring shock-absorbers; Springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U20/00—Constructional aspects of UAVs
- B64U20/80—Arrangement of on-board electronics, e.g. avionics systems or wiring
- B64U20/87—Mounting of imaging devices, e.g. mounting of gimbals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U60/00—Undercarriages
- B64U60/50—Undercarriages with landing legs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
- B64U2101/30—UAVs specially adapted for particular uses or applications for imaging, photography or videography
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Remote Sensing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Stereoscopic And Panoramic Photography (AREA)
Abstract
The application belongs to the technical field of unmanned aerial vehicles, and particularly relates to a remote sensing unmanned aerial vehicle and a use method thereof, wherein by the arrangement of a supporting mechanism, good shock absorption support and protection can be provided when a body falls during remote sensing mapping in the field, and the falling stability of the body is improved; the matching degree with the ground can be further improved when the machine body falls to the ground by matching with the use of the adhesive, so that the machine body is not easy to incline and turn on one's side; the protection mechanism can be synchronously matched with the supporting mechanism, and provides good protection for the remote sensing camera when the machine body takes off or lands, so that dust and fragments are prevented from affecting the remote sensing camera.
Description
Technical Field
The application belongs to the technical field of unmanned aerial vehicles, and particularly relates to a remote sensing unmanned aerial vehicle and a using method thereof.
Background
Unmanned aerial vehicle is unmanned aerial vehicle that utilizes radio remote control equipment and self-contained program control device to operate, and along with unmanned aerial vehicle technique's rapid development in recent years, it is gradually applied to fields such as agriculture, geology, business, wherein utilize unmanned aerial vehicle to carry out remote sensing survey and drawing, be one of the important means that is used for research and data acquisition in the geographical field at present.
In the remote sensing data acquisition process, most natural geographic data need to be mapped in the field, but at present, in the use process, particularly in the take-off and landing process, a common remote sensing unmanned aerial vehicle is easy to be influenced by the outside to damage or influence equipment, and the stable operation of the equipment and the remote sensing data mapping are not facilitated.
Disclosure of Invention
The purpose of the application is that: the remote sensing unmanned aerial vehicle and the using method thereof are provided for solving the problems in the background technology.
In order to achieve the technical purpose, the application adopts the following technical scheme:
the remote sensing unmanned aerial vehicle comprises a body and a remote sensing camera, wherein the remote sensing camera is arranged on the front side of the lower end of the body, and a supporting mechanism is arranged at the lower end of the body;
the supporting mechanism comprises four supporting legs and transverse frames, wherein the four supporting legs are distributed at the lower end of the machine body in a rectangular shape, the two transverse frames are symmetrically distributed to connect the two supporting legs at the same side, and a buffer is further arranged at the lower side of each supporting leg;
the buffer comprises a contact pin and a first spring, wherein a first step cavity is formed in the support leg, a throttling groove communicated with the first step cavity is formed in the transverse frame, the vertical section structure of the contact pin is T-shaped and is arranged in the first step cavity in a sliding sealing mode, the non-right-angle end of the contact pin extends out of the first step cavity, the first spring is arranged in the first step cavity and is connected and matched with the contact pin, and hydraulic oil is incompletely filled in the first step cavity and the throttling groove.
The non-right angle end of the contact pin is also provided with an adaptation head, the adaptation head comprises a flat pin, and one end of the flat pin opposite to the ground is adhered with adhesive.
The two opposite ends of the transverse frame are respectively provided with a protection mechanism matched with the remote sensing camera, the protection mechanism comprises a trigger, a turner and a shielding cover, the trigger is connected with the transverse frame and communicated with the throttling groove, the turner is connected with the shielding cover, and the turner is connected and matched with the trigger.
The trigger comprises an extension tube, a push rod and a third spring, wherein the extension tube is integrally formed with the transverse frame, a second step cavity communicated with the throttling groove is formed in the extension tube, the push rod is arranged in the second step cavity in a sliding sealing mode and extends out of the second step cavity, the vertical section structure of the push rod is I-shaped, and the third spring is sleeved on the push rod and is located in the second step cavity.
The turner comprises a frame, a cooperative piece and a friction strip, wherein the frame is fixedly connected with the extension pipe and is attached to the lower end of the machine body, the cooperative piece is elastically and slidably connected in the frame, the friction strip is arranged on one side, close to the remote sensing camera, of the lower end of the frame, and the shielding cover is matched with the friction strip and the cooperative piece.
The shielding cover comprises a U-shaped fixing frame, a turnover rod, a rotating wheel and a corrugated cover, wherein the U-shaped fixing frame is fixedly connected with the cooperation piece, is parallel to the ground and is opened towards the remote sensing camera, the turnover rod is rotationally connected with the U-shaped fixing frame and is positioned close to one side of the remote sensing camera, the rotating wheel is rotationally connected with the turnover rod and is positioned on the other side of the L-shaped fixing frame and is matched with the friction strip, and the corrugated cover is arranged between the turnover rod and the U-shaped fixing frame.
Before mapping, the supporting mechanism and the remote sensing camera are assembled at the lower end of the machine body and placed on the ground for taking off, and at the moment, the protection mechanism provides a protection effect during taking off;
when the machine body takes off, the ground control end is matched to collect data through the remote sensing camera, the machine body drops after the collection is completed, at the moment, the supporting mechanism provides buffering protection for the machine body during landing and the protection mechanism is triggered for the second time to provide protection for the remote sensing camera during landing;
when the machine body stably falls down, the supporting mechanism and the remote sensing camera are disassembled, so that the three components are independently stored for transportation, and the supporting mechanism and the protecting mechanism are integrally connected.
Compared with the prior art, the application has at least the following advantages:
by the arrangement of the supporting mechanism, good damping support and protection can be provided when the machine body is landed in the field during remote sensing mapping, and landing stability of the machine body is improved; the matching degree with the ground can be further improved when the machine body falls to the ground by matching with the use of the adhesive, so that the machine body is not easy to incline and turn on one's side; the protection mechanism can be synchronously matched with the supporting mechanism, and provides good protection for the remote sensing camera when the machine body takes off or lands, so that dust and fragments are prevented from affecting the remote sensing camera.
Drawings
The application may be further illustrated by means of non-limiting examples given in the accompanying drawings.
Fig. 1 is a schematic structural diagram of a remote sensing unmanned aerial vehicle according to the present application.
Fig. 2 is a schematic view of another angle structure of the present application.
Fig. 3 is a schematic structural view of the supporting mechanism of the present application.
Fig. 4 is an enlarged schematic view at a in fig. 3.
Fig. 5 is a structural cross-sectional view of the leg of the present application.
Fig. 6 is a structural cross-sectional view of the protection mechanism of the present application.
The remote sensing camera comprises a body 1, a remote sensing camera 11, support legs 2, a transverse frame 21, contact legs 3, a first spring 31, a first step cavity 32, a throttling groove 33, a flat foot 41, an extension tube 5, a push rod 51, a third spring 52, a second step cavity 53, a frame 6, a cooperation piece 61, a friction strip 62, a U-shaped fixing frame 63, a turnover rod 64, a rotating wheel 65 and a corrugated cover 66.
Detailed Description
In order that those skilled in the art will better understand the present application, the following technical scheme of the present application will be further described with reference to the accompanying drawings and examples.
Example 1: as shown in fig. 1-6, a remote sensing unmanned aerial vehicle comprises a machine body 1 and a remote sensing camera 11, wherein the remote sensing camera 11 is arranged at the front side of the lower end of the machine body 1, and a supporting mechanism is arranged at the lower end of the machine body 1;
the supporting mechanism comprises four supporting legs 2 and transverse frames 21, the number of the supporting legs 2 is four, the supporting legs are distributed at the lower end of the machine body 1 in a rectangular shape, the number of the transverse frames 21 is two, the two supporting legs 2 on the same side are symmetrically distributed, and a buffer is further arranged on the lower side of each supporting leg 2;
the buffer comprises a contact pin 3 and a first spring 31, wherein a first step cavity 32 is formed in a supporting leg 2, a throttling groove 33 communicated with the first step cavity 32 is formed in a transverse frame 21, the vertical section structure of the contact pin 3 is T-shaped and is arranged in the first step cavity 32 in a sliding sealing mode, the non-right-angle end of the contact pin 3 extends out of the first step cavity 32, the first spring 31 is arranged in the first step cavity 32 and is connected and matched with the contact pin 3, and hydraulic oil is incompletely filled in the first step cavity 32 and the throttling groove 33.
According to the application, when field remote sensing mapping operation is carried out, the remote sensing camera 11 is used for collecting data, the machine body 1 is used for providing air flight power, when mapping is finished and the machine body 1 falls, the supporting mechanism is used for providing landing supporting force so as to avoid damage to the machine body 1, wherein when the machine body 1 falls to the ground, the support legs 2 in the supporting mechanism are gradually close to the ground, the buffer at the lower ends of the support legs 2 can be abutted against the ground, so that the contact legs 3 are gradually retracted into the first step cavity 32, at the moment, the first spring 31 firstly provides buffering force, and secondly, the expansion and contraction of the contact legs 3 can synchronize with the ground, thereby playing a role of adapting to the ground to increase the stationarity of the landing, finally, the contraction of the contact legs 3 can push hydraulic oil in the first step cavity 32 to flow into the throttling groove 33, the throttling groove 33 controls the flow rate of the machine body to play a role of buffering to achieve a role of reducing the falling vibration force effect, and the cross rod is further provided with an automatic exhaust valve matched with the throttling groove 33 so as to ensure that the normal movement of liquid, but the automatic exhaust valve body is not prone to overflow, and the automatic exhaust valve body is not prone to excessive liquid.
The lower end of the flat leg 41 is also provided with an anti-slip sheet.
The provision of the non-slip sheet can further improve the support stability of the flat leg 41 and reduce the possibility of sliding.
Example 2: as shown in fig. 1-3, in a further modification of the embodiment 1, the non-right-angle end of the contact pin 3 is further provided with an adapting head, the adapting head comprises a flat pin 41, and an adhesive is adhered to the end of the flat pin 41 opposite to the ground.
In order to further improve the stability of the machine body 1 during landing and reduce the possibility of tilting and rollover, before taking off and measuring, the surface layer of the adhesive on the flat feet 41 is removed firstly, so that the adhesive layer of the adhesive is exposed, and at the moment, the adhesive layer can be in contact with the ground for adhesion when the machine body 1 lands on the ground, so that the stability of the machine body 1 is improved, tilting and rollover are not easy, and the adhesive can be reused only by replacing the adhesive later.
Example 3: as shown in fig. 2-6, a further improvement on the basis of embodiment 1 is that the opposite ends of the two transverse frames 21 are respectively provided with a protection mechanism matched with the remote sensing camera 11, the protection mechanism comprises a trigger, a turner and a shielding cover, the trigger is connected with the transverse frames 21 and communicated with the throttling groove 33, the turner and the shielding cover are mutually connected, and the turner is connected and matched with the trigger.
The trigger comprises an extension tube 5, a push rod 51 and a third spring 52, wherein the extension tube 5 and the transverse frame 21 are integrally formed, a second step cavity 53 communicated with the throttling groove 33 is formed in the extension tube, the push rod 51 is arranged in the second step cavity 53 in a sliding and sealing mode and extends out, the vertical section structure of the push rod 51 is I-shaped, and the third spring 52 is sleeved on the push rod 51 and located in the second step cavity 53.
The turner comprises a frame 6, a cooperative piece 61 and a friction strip 62, wherein the frame 6 is fixedly connected with the extension tube 5 and is attached to the lower end of the machine body 1, the cooperative piece 61 is elastically and slidably connected in the frame 6, the friction strip 62 is arranged on one side, close to the remote sensing camera 11, of the lower end of the frame 6, and the shielding cover is matched with the friction strip 62 and the cooperative piece 61.
The shielding cover comprises a U-shaped fixing frame 63, a turnover rod 64, a rotating wheel 65 and a corrugated cover 66, wherein the U-shaped fixing frame 63 is fixedly connected with the cooperative piece 61 and parallel to the ground, the opening of the U-shaped fixing frame faces the remote sensing camera 11, the turnover rod 64 is rotationally connected with the U-shaped fixing frame 63 and is positioned on one side close to the remote sensing camera 11, the rotating wheel 65 is rotationally connected with the turnover rod 64 and is positioned on the other side of the L-shaped fixing frame and is matched with the friction strip 62, and the corrugated cover 66 is arranged between the turnover rod 64 and the U-shaped fixing frame 63.
Further, because more sundries such as dust and stones exist on the field ground, when the machine body 1 descends, larger wind force can bring about lifting of dust and stones, in order to prevent the remote sensing camera 11 from being influenced by dust and stones and being damaged or influencing data acquisition, before taking off or during landing, hydraulic oil can be pushed and pumped into the throttling groove 33 due to the action of a buffer, meanwhile, when a protection mechanism is arranged, an automatic exhaust valve is not arranged, hydraulic oil can be sent into the second step cavity 53 of the extension tube 5 at the moment, so that the push rod 51 is pushed to extend, when the push rod 51 extends outwards, the cooperative piece 61 of the turner can be pushed to move towards one side of the remote sensing camera 11, and as the shielding cover is connected with the cooperative piece 61, the shielding cover can synchronously move along with the cooperative piece 61, the rotating wheel 65 of the shielding cover rubble with the friction strip 62 during moving, and the rotating wheel 65 is positioned at the lower side of the friction strip 62, so that the rotating wheel 65 is driven to drive the turning rod 64 to turn down, the corrugated cover 66 is unfolded to form a 90-degree protection cover until the 90-degree protection can not be turned over, at the moment, the rotating wheel 65 starts to translate and slide, and finally, when the cooperative piece 61 moves, the two remote sensing cameras 11 can be continuously protected by the cooperation of the protection mechanism when the two remote sensing cameras are in such a way;
correspondingly, when the machine body 1 is in a flying state, the push rod 51 is reset due to the action of the third spring 52, hydraulic oil is reset, and meanwhile, the cooperative piece 61 and the frame 6 are in elastic sliding connection, namely, under the action of the spring or the elastic piece, the cooperative piece 61 is close to the push rod 51 in an initial state, so that the shielding cover is wound and reset, and the shielding cover can be prevented from influencing data acquisition of the remote sensing camera 11;
meanwhile, it should be noted that when the protection mechanism is provided, the passages in the first step chamber 32, the throttle groove 33, and the second step chamber 53 are completely filled with hydraulic oil to ensure normal transportation of the components.
Before mapping, the supporting mechanism and the remote sensing camera are assembled at the lower end of the machine body and placed on the ground for taking off, and at the moment, the protection mechanism provides a protection effect during taking off;
when the machine body takes off, the ground control end is matched to collect data through the remote sensing camera, the machine body drops after the collection is completed, at the moment, the supporting mechanism provides buffering protection for the machine body during landing and the protection mechanism is triggered for the second time to provide protection for the remote sensing camera during landing;
when the machine body stably falls down, the supporting mechanism and the remote sensing camera are disassembled, so that the three components are independently stored for transportation, and the supporting mechanism and the protecting mechanism are integrally connected.
The above embodiments are merely illustrative of the principles of the present application and its effectiveness, and are not intended to limit the application. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the application. Accordingly, it is intended that all equivalent modifications and variations of the application be covered by the claims of this application, which are within the skill of those skilled in the art, can be made without departing from the spirit and scope of the application disclosed herein.
Claims (7)
1. The utility model provides a remote sensing unmanned aerial vehicle, includes organism and remote sensing camera, the remote sensing camera is located organism lower extreme front side, its characterized in that: the lower end of the machine body is provided with a supporting mechanism;
the supporting mechanism comprises four supporting legs and transverse frames, wherein the four supporting legs are distributed at the lower end of the machine body in a rectangular shape, the two transverse frames are symmetrically distributed to connect the two supporting legs at the same side, and a buffer is further arranged at the lower side of each supporting leg;
the buffer comprises a contact pin and a first spring, wherein a first step cavity is formed in the support leg, a throttling groove communicated with the first step cavity is formed in the transverse frame, the vertical section structure of the contact pin is T-shaped and is arranged in the first step cavity in a sliding sealing mode, the non-right-angle end of the contact pin extends out of the first step cavity, the first spring is arranged in the first step cavity and is connected and matched with the contact pin, and hydraulic oil is incompletely filled in the first step cavity and the throttling groove.
2. The remote sensing drone of claim 1, wherein: the non-right angle end of the contact pin is also provided with an adaptation head, the adaptation head comprises a flat pin, and one end of the flat pin opposite to the ground is adhered with adhesive.
3. A remote sensing drone as claimed in claim 2, wherein: the two opposite ends of the transverse frame are respectively provided with a protection mechanism matched with the remote sensing camera, the protection mechanism comprises a trigger, a turner and a shielding cover, the trigger is connected with the transverse frame and communicated with the throttling groove, the turner is connected with the shielding cover, and the turner is connected and matched with the trigger.
4. A remote sensing drone as claimed in claim 3, wherein: the trigger comprises an extension tube, a push rod and a third spring, wherein the extension tube is integrally formed with the transverse frame, a second step cavity communicated with the throttling groove is formed in the extension tube, the push rod is arranged in the second step cavity in a sliding sealing mode and extends out of the second step cavity, the vertical section structure of the push rod is I-shaped, and the third spring is sleeved on the push rod and is located in the second step cavity.
5. The remote sensing unmanned aerial vehicle of claim 4, wherein: the turner comprises a frame, a cooperative piece and a friction strip, wherein the frame is fixedly connected with the extension pipe and is attached to the lower end of the machine body, the cooperative piece is elastically and slidably connected in the frame, the friction strip is arranged on one side, close to the remote sensing camera, of the lower end of the frame, and the shielding cover is matched with the friction strip and the cooperative piece.
6. The remote sensing unmanned aerial vehicle of claim 5, wherein: the shielding cover comprises a U-shaped fixing frame, a turnover rod, a rotating wheel and a corrugated cover, wherein the U-shaped fixing frame is fixedly connected with the cooperation piece, is parallel to the ground and is opened towards the remote sensing camera, the turnover rod is rotationally connected with the U-shaped fixing frame and is positioned close to one side of the remote sensing camera, the rotating wheel is rotationally connected with the turnover rod and is positioned on the other side of the L-shaped fixing frame and is matched with the friction strip, and the corrugated cover is arranged between the turnover rod and the U-shaped fixing frame.
7. A remote sensing unmanned aerial vehicle according to any of claims 1 to 6, wherein: the specific using method comprises the following steps:
before mapping, the supporting mechanism and the remote sensing camera are assembled at the lower end of the machine body and placed on the ground for taking off, and at the moment, the protection mechanism provides a protection effect during taking off;
when the machine body takes off, the ground control end is matched to collect data through the remote sensing camera, the machine body drops after the collection is completed, at the moment, the supporting mechanism provides buffering protection for the machine body during landing and the protection mechanism is triggered for the second time to provide protection for the remote sensing camera during landing;
when the machine body stably falls down, the supporting mechanism and the remote sensing camera are disassembled, so that the three components are independently stored for transportation, and the supporting mechanism and the protecting mechanism are integrally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311007861.8A CN116902237A (en) | 2023-08-11 | 2023-08-11 | Remote sensing unmanned aerial vehicle and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311007861.8A CN116902237A (en) | 2023-08-11 | 2023-08-11 | Remote sensing unmanned aerial vehicle and application method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN116902237A true CN116902237A (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311007861.8A Pending CN116902237A (en) | 2023-08-11 | 2023-08-11 | Remote sensing unmanned aerial vehicle and application method thereof |
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| CN (1) | CN116902237A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117429615A (en) * | 2023-11-08 | 2024-01-23 | 江苏联旺信息科技有限公司 | Unmanned aerial vehicle image data acquisition equipment |
-
2023
- 2023-08-11 CN CN202311007861.8A patent/CN116902237A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117429615A (en) * | 2023-11-08 | 2024-01-23 | 江苏联旺信息科技有限公司 | Unmanned aerial vehicle image data acquisition equipment |
| CN117429615B (en) * | 2023-11-08 | 2024-05-07 | 江苏联旺信息科技有限公司 | Unmanned aerial vehicle image data acquisition equipment |
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