Unmanned aerial vehicle image playing device

Abstract

The utility model discloses an unmanned aerial vehicle image playing device which comprises an unmanned aerial vehicle body and an image playing device installed on the lower portion of an unmanned aerial vehicle. The image playing device comprises a storage box transversely arranged on the lower portion of the unmanned aerial vehicle body, an electronic gyroscope is connected between the upper end of the storage box and the unmanned aerial vehicle body, a winding roller and an LED flexible screen wound around the peripheral side of the winding roller are transversely installed in the storage box, and a shading curtain is attached to the back face of the LED flexible screen. The LED flexible screen display device further comprises a rotation driving assembly used for driving the collecting and winding roller to rotate forwards and backwards, the LED flexible screen can be overhung and flattened through the falling effect of the balance weight strip, the LED flexible screen and the balance weight strip can be positioned and stabilized through the guiding telescopic rod, and therefore the whole display face forms a stable frame structure; and the electronic gyroscope can automatically adjust shaking of the LED flexible screen caused by unstable suspension of the machine body, the image playing effect can be effectively improved under mutual cooperation, the structure is simple, and the practicability is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of image playing device, concretely is a kind of unmanned aerial vehicle image playing device. BACKGROUND

[0002] Unmanned aircraft is called unmanned aerial vehicle, is the use of radio remote control equipment and self-provided program control device manipulates the aircraft without people. The application of unmanned aerial vehicle is quite extensive, can be used for power inspection work, agriculture, forestry and environmental protection etc. The patent document with announcement number CN206728156U discloses unmanned aerial vehicle image playing device, and through the cooperation of unmanned aerial vehicle body, curtain and projector etc., projector can conveniently project image information on the curtain suspended in low air, and the flight state of unmanned aerial vehicle body can be controlled, the position is adjusted in real time, and the user is facilitated to use. Since the bottom edge of the curtain is provided with counterweight strip, better falling effect can be achieved, so that the curtain remains flat, reduces wrinkle, and improves the projection effect of projector.

[0003] The device and technical scheme still have some deficiencies in actual application. Since the playing environment is mainly outdoor, the light and brightness are relatively high, so it is difficult to clearly / high definition display the playing image by using curtain and projection mode, and the projection and playing effect is poor. Secondly, although the device is provided with counterweight strip, the curtain itself is relatively soft, and the suspended counterweight strip and curtain are easily shaken and twisted due to slight shaking of the machine body or image of air flow, further reducing the image playing effect. Therefore, the present application provides an unmanned aerial vehicle image playing device to solve the problems in the prior art. SUMMARY

[0004] This part aims to outline some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part and the abstract of the specification and the title of the utility model in order to avoid obscuring the purpose of this part, the abstract of the specification and the title of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] Therefore, the purpose of the present application is to provide an unmanned aerial vehicle image playing device to solve the problems in the prior art, such as the difficulty of clearly / high definition display of playing image by using curtain and projection mode, poor projection and playing effect, and the suspended counterweight strip and curtain are easily shaken and twisted due to slight shaking of the machine body or image of air flow, further reducing the image playing effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an unmanned aerial vehicle image playing device, comprising an unmanned aerial vehicle body and an image playing device installed on the lower part of the unmanned aerial vehicle.

[0007] The image playing device comprises a storage box horizontally arranged at the lower part of the unmanned aerial vehicle body, an electronic gyroscope is connected between the upper end of the storage box and the unmanned aerial vehicle body, a winding roller and an LED flexible screen wound around the outer circumferential side of the winding roller are horizontally arranged in the storage box, a light shielding curtain is attached to the back of the LED flexible screen, a rotating driving assembly for driving the winding roller to rotate forward and backward is further arranged, a counterweight strip is connected to the bottom of the LED flexible screen, and guide telescopic rods are vertically connected to the two ends of the counterweight strip and fixed to the two ends of the storage box.

[0008] As a preferred scheme of the unmanned aerial vehicle image playing device, the rotating driving assembly comprises positioning end shafts fixed to the two ends of the winding roller and rotatably arranged in the inner side of the storage box, and a motor one is arranged on the outer side of the storage box and connected to one of the positioning end shafts.

[0009] As a preferred scheme of the unmanned aerial vehicle image playing device, the light shielding curtain is black, and the light shielding curtain and the LED flexible screen are fixedly connected by adhesion.

[0010] As a preferred scheme of the unmanned aerial vehicle image playing device, the electronic gyroscope further comprises mounting ears arranged on the two sides of the top of the electronic gyroscope, and a plurality of positioning holes are arranged on the mounting ears.

[0011] As a preferred scheme of the unmanned aerial vehicle image playing device, the storage box further comprises a maintenance opening arranged on one side of the storage box, and a detachable maintenance cover is arranged at the maintenance opening.

[0012] As a preferred scheme of the unmanned aerial vehicle image playing device, the storage box further comprises an inlet and outlet corresponding to the LED flexible screen arranged at the bottom of the storage box.

[0013] Compared with the prior art, the unmanned aerial vehicle image playing device has the following beneficial effects: when the device is used, the winding roller is driven to rotate by the rotating driving assembly, and the LED flexible screen is released from the bottom of the storage box, when the LED flexible screen is played, the high-definition display of the LED flexible screen and the light shielding cooperation of the light shielding curtain can effectively improve the clarity of outdoor image playing, and the observation effect is better; at the same time, the downward action of the counterweight strip enables the LED flexible screen to be suspended and flattened, the guide telescopic rods can position and stabilize the LED flexible screen and the counterweight strip, the entire display surface forms a stable frame structure, and the electronic gyroscope can automatically adjust the shaking of the LED flexible screen caused by the unstable suspension of the machine body, and the mutual cooperation can effectively improve the image playing effect, the structure is simple, and the practicality is good. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole external structure schematic view of the utility model;

[0015] Figure 2 It is the image playing device structure schematic view of the utility model;

[0016] Figure 3 It is the storage box front view internal structure schematic view of the utility model;

[0017] Figure 4 It is the ground projection device structure schematic view of the utility model.

[0018] In the drawing: 100, unmanned aerial vehicle body;200, storage box;210, maintenance cover;220, import and export;300, electronic gyroscope;310, mounting lug;3101, positioning hole;400, set of rolls;410, led flexible screen;420, light curtain;500, rotary drive assembly;510, positioning end shaft;520, motor one;600, counterweight strip;700, guide telescopic rod;800, ground projection device;810, motor two;820, hanger;830, mounting frame;840, projector;850, motor three. DETAILED DESCRIPTION

[0019] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiment of the utility model is described in detail below with reference to the drawings.

[0020] Secondly, the utility model is described in detail in combination with the schematic view, and in the detailed description of the utility model embodiment, for the convenience of description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic view is only an example, which should not limit the scope of the utility model protection here. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual manufacture.

[0021] In order to make the purpose, technical scheme and advantages of the utility model more clear, the specific embodiment of the utility model will be described in further detail below with reference to the drawings.

[0022] Figures 1-4 It is the whole structure schematic view of the utility model one kind unmanned aerial vehicle image playing device, please refer to Figures 1-4The unmanned aerial vehicle image playing device of the embodiment comprises an unmanned aerial vehicle body 100 and an image playing device installed at the lower part of the unmanned aerial vehicle; the image playing device comprises a storage box 200 horizontally arranged at the lower part of the unmanned aerial vehicle body 100, an electronic gyroscope 300 connected between the upper end of the storage box 200 and the unmanned aerial vehicle body 100, a winding roller 400 horizontally installed inside the storage box 200, and an LED flexible screen 410 wound around the outer circumferential side of the winding roller 400, the back of the LED flexible screen 410 being attached with a light shielding curtain 420, further comprising a rotation driving assembly 500 for driving the winding roller 400 to rotate in the forward and reverse directions, the bottom of the LED flexible screen 410 being connected with a counterweight strip 600, the two ends of the counterweight strip 600 being perpendicularly connected with guide telescopic rods 700, and the upper ends of the guide telescopic rods 700 being fixed to the two ends of the storage box 200.

[0023] The rotation driving assembly 500 comprises positioning end shafts 510 fixed to the two ends of the winding roller 400 and rotationally installed inside the storage box 200, and a motor one 520 arranged outside the storage box 200 and having an output end connected to one of the positioning end shafts 510. It can be understood that the motor one 520 drives the positioning end shafts 510 and the winding roller 400 to rotate in the forward and reverse directions, and the winding roller 400 winds and releases the LED flexible screen 410. The light shielding curtain 420 is black, and is fixedly bonded between the LED flexible screen 410. Here, the light shielding curtain 420 can be understood as a back plate of the LED screen, which is used to shield light interference, and the light shielding curtain 420 is black, which has a good effect on shielding strong light and does not reflect any color light, thereby effectively avoiding the interference of outdoor light on the LED flexible screen 410. The electronic gyroscope 300 further has mounting ears 310 at the top of the two sides, and the mounting ears 310 have a plurality of positioning holes 3101. Specifically, in the embodiment, when the unmanned aerial vehicle needs to hover, the rotation driving assembly 500 drives the winding roller 400 to rotate and releases the LED flexible screen 410 from the bottom of the storage box 200, and when playing, the high-definition display of the LED flexible screen 410 and the light shielding cooperation of the light shielding curtain 420 can effectively improve the clarity of outdoor image playing and the viewing effect is better; at the same time, the downward action of the counterweight strip 600 enables the LED flexible screen 410 to be suspended and flattened, the guide telescopic rods 700 can position and stabilize the LED flexible screen 410 and the counterweight strip 600, so that the entire display surface forms a stable frame structure, and the electronic gyroscope 300 can automatically adjust the shaking of the LED flexible screen 410 caused by the unstable hovering of the machine body, thereby effectively improving the image playing effect, and the structure is simple and practical.

[0024] Further, the storage box 200 has a maintenance opening on one side, and a detachable maintenance cover 210 is arranged at the maintenance opening. It can be understood that the internal structure of the storage box 200 can be conveniently disassembled and maintained by opening the maintenance cover 210.

[0025] Further, the bottom of the storage box 200 also has an inlet and outlet 220 corresponding to the LED flexible screen 410. Here, the length of the inlet and outlet 220 is greater than the length of the LED flexible screen 410, and the edge of the inlet and outlet 220 is also provided with a sealing strip, so that when the LED flexible screen 410 is retracted, the counterweight strip 600 can form a closed fit with the bottom of the inlet and outlet 220, having the effect of dust and rain prevention.

[0026] As a preferred, on the technology of the above embodiment, further comprising a ground projection device 800 arranged at the lower part of the unmanned aerial vehicle body 100, the ground projection device 800 includes a second motor 810 fixed to the bottom of the unmanned aerial vehicle body 100, a hanger 820 mounted to the output end of the second motor 810, a mounting frame 830 rotatably mounted on the inner side of the hanger 820, a projector 840 fixed to the inner side of the mounting frame 830, and a third motor 850 for driving the longitudinal rotation of the mounting frame 830. It can be understood that in order to further improve the practicability of the unmanned aerial vehicle image playing device, in a suitable environment, when the topographic mapping device completes the topographic image collection, the collected topographic image can be projected out by adjusting the direction of the projector 840 (such as projecting onto the ground, wall, etc.), which is beneficial to the topographic analysis and application.

[0027] In summary, the unmanned aerial vehicle image playing device of the embodiment can effectively improve the clarity of outdoor image playing and the viewing effect is better when the unmanned aerial vehicle needs to hover well, the high-definition display of the LED flexible screen 410 and the light shielding cooperation of the light shielding curtain 420 can effectively improve the clarity of outdoor image playing and the viewing effect is better; at the same time, the falling effect of the counterweight strip 600 enables the LED flexible screen 410 to be suspended and flattened, and the guide telescopic rod 700 can position and stabilize the LED flexible screen 410 and the counterweight strip 600, so that the entire display surface forms a stable frame structure, and the electronic gyroscope 300 can automatically adjust the shaking of the LED flexible screen 410 caused by the unstable hovering of the fuselage, which can effectively improve the image playing effect.

[0028] Although the utility model has been described above with reference to the embodiments, various modifications can be made thereto, and equivalent replacements can be made to the components thereof, without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each feature in the embodiments disclosed by the utility model can be combined with each other in any manner, and the combinations are not exhaustively described in the specification merely for the purpose of omitting the length and saving the resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A drone video playback device, characterized in that, Includes the drone body (100) and an image playback device installed on the lower part of the drone; The video playback device includes a storage box (200) horizontally disposed at the lower part of the drone body (100). An electronic gyroscope (300) is connected between the upper end of the storage box (200) and the drone body (100). A winding roller (400) and an LED flexible screen (410) wound around the outer periphery of the winding roller (400) are horizontally installed inside the storage box (200). A light-blocking curtain (420) is attached to the back of the LED flexible screen (410). The device also includes a rotation drive assembly (500) for driving the winding roller (400) to rotate forward and backward. A counterweight bar (600) is connected to the bottom of the LED flexible screen (410). Guide telescopic rods (700) are vertically connected to both ends of the counterweight bar (600), and the upper ends of the guide telescopic rods (700) are fixed to both ends of the storage box (200).

2. The drone video playback device according to claim 1, characterized in that: The rotary drive assembly (500) includes a positioning end shaft (510) fixed to both ends of the collecting roller (400) and rotatably mounted inside the storage box (200), and a motor (520) disposed outside the storage box (200) and whose output end is connected to one of the positioning end shafts (510).

3. The drone video playback device according to claim 1, characterized in that: The light-blocking curtain (420) is black, and the light-blocking curtain (420) and the LED flexible screen (410) are bonded together.

4. The drone video playback device according to claim 1, characterized in that: The electronic gyroscope (300) also has mounting ears (310) on both sides of its top, and the mounting ears (310) have multiple positioning holes (3101).

5. The drone video playback device according to claim 1, characterized in that: The storage box (200) also has an access port on one side, and the access port is equipped with a removable access cover (210).

6. The drone video playback device according to claim 1, characterized in that: The bottom of the storage box (200) also has an inlet (220) corresponding to the LED flexible screen (410).

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