Unmanned aerial vehicle emergency warning device

Abstract

The utility model relates to the technical field of unmanned aerial vehicle accessory equipment, in particular to an unmanned aerial vehicle emergency warning device which comprises an unmanned aerial vehicle quick release, a mounting frame, a display screen and a driving mechanism. The emergency warning device is matched with the unmanned aerial vehicle, and the driving mechanism drives the display screen to swing in the horizontal direction and pitch in the vertical direction around a center shaft perpendicular to a panel of the display screen; the driving mechanism comprises two driving motors, the two driving motors are in meshing transmission with two transmission belts respectively, the two ends of the two transmission belts are fixedly connected with the back face of the display screen respectively, and the two transmission belts are symmetrically arranged on the transverse axis and the longitudinal axis of the display screen respectively relative to the center of the display screen. And the first connecting mechanism and the second connecting mechanism are arranged, so that the stability of connection and rotation of the display screen is ensured. The emergency information display device is carried by the unmanned aerial vehicle, emergency information can be rapidly spread to the periphery, the angle of the display screen can be adjusted, information display is more convenient, and actual use is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned plane accessory equipment technical field, concretely relates to an unmanned plane emergency warning device. BACKGROUND

[0002] With the development of unmanned plane technology, it is widely applied because of its safety, fastness and high efficiency, and the existing unmanned plane can be seen in the fields of aerial photography, agriculture, plant protection, miniature self -photography, express delivery, disaster rescue, observation of wild animals, monitoring of infectious diseases, surveying and mapping, news report, power inspection, disaster relief, film and television shooting and so on, has remarkable promoting effect to the improvement of operation efficiency.

[0003] The unmanned plane is widely applied in emergency rescue and disaster relief, but the existing one is basically used for search and rescue and transportation of materials, and the application has certain limitation, with the development of unmanned plane technology, the application range of unmanned plane is also expanding, such as in the process of emergency handling and regulation, for example, necessary traffic and crowd evacuation caused by emergency, the traditional one adopts manual or broadcast mode to carry out emergency evacuation, which not only wastes time and effort, but also is low in efficiency, and easily causes unnecessary personnel and property loss, and if the unmanned plane is used for low-altitude information display and transmission, the information transmission can be more efficient, and it is more conducive to information transmission and personnel scheduling in emergency situation.

[0004] Therefore, the utility model provides an emergency warning device matched with the unmanned plane for efficient transmission of emergency information in emergency situation, which has positive effect on improving emergency handling efficiency and ensuring personnel life and property safety. CONTENT OF UTILITY MODEL

[0005] The utility model aims at the shortage of the prior art, provides an unmanned plane emergency warning device to achieve the purpose of transmitting emergency warning information quickly and effectively.

[0006] To achieve the above object, the utility model adopts the following technical scheme: an unmanned plane emergency warning device, including mounting frame, the unmanned plane quick release is arranged above the mounting frame, and the unmanned plane quick release is matched with the unmanned plane;A display screen is arranged on one side of the mounting frame, and a driving mechanism is arranged on the other side of the mounting frame, and the driving mechanism drives the display screen to swing in horizontal direction and pitch in vertical direction around the center axis perpendicular to the panel.

[0007] Further, the driving mechanism comprises a motor box fixedly connected with the mounting frame, a first driving motor and a second driving motor are arranged in the motor box, the first driving motor is engaged with the first transmission belt for transmission, the second driving motor is engaged with the second transmission belt for transmission, and the two ends of the first transmission belt and the second transmission belt respectively extend to the outside of the motor box; the two ends of the first transmission belt are fixedly connected with the back of the display screen, and the two ends of the second transmission belt are fixedly connected with the back of the display screen; the two fixed points of the first transmission belt are arranged on the longitudinal axis of the display screen and are symmetrically arranged with respect to the transverse axis, and the two fixed points of the second transmission belt are arranged on the transverse axis of the display screen and are symmetrically arranged with respect to the longitudinal axis.

[0008] Further, a connecting plate is arranged between the motor box and the mounting frame, one side of the connecting plate is fixedly connected with the motor box, and the first transmission belt and the second transmission belt extend out of the connecting plate; the other side of the connecting plate is fixedly connected with the first connecting mechanism, the first connecting mechanism comprises a connecting rod, the connecting plate is fixedly connected with one end of the connecting rod, the middle part of the connecting rod is fixedly connected with the bottom plate in the mounting frame, and the other end of the connecting rod is rotatably connected with the back of the display screen; the connecting point of the connecting rod and the back of the display screen is located at the center point of the display screen.

[0009] Further, a second connecting mechanism is further arranged between the mounting frame and the back of the display screen, the second connecting mechanism is a gas spring, the cylinder body of the gas spring is fixedly connected with the fixing frame, the front end of the gas spring telescopic rod is rotatably connected with the back of the display screen, and the connecting point of the gas spring and the back of the display screen is located on the transverse axis of the display screen.

[0010] Further, a fixed pulley is arranged at each connection between the connecting plate and the first transmission belt and the second transmission belt, and the fixed pulley cooperates with the first transmission belt and the second transmission belt.

[0011] Further, the rotary connection is a ball and groove connection; the end of the connecting rod is connected with a first connecting ball, a first matching groove is arranged on the back of the display screen, the first connecting ball cooperates with the first matching groove, and the contact matching part of the first matching groove and the first connecting ball is greater than half of the volume of the first connecting ball; the end of the gas spring telescopic rod is connected with a second connecting ball, a second matching groove is arranged on the back of the display screen, the second connecting ball cooperates with the second matching groove, and the contact matching part of the second matching groove and the second connecting ball is greater than half of the volume of the second connecting ball.

[0012] Further, a control box is fixedly installed below the top plate of the mounting frame, a control board is arranged in the control box, the control board is connected with the quick release of the unmanned aerial vehicle, the control board is connected with the display screen, and the control board is connected with the first driving motor and the second driving motor in the motor box.

[0013] Further, the limiting mechanism includes a first limiting mechanism and a second limiting mechanism, the first limiting mechanism includes a first limiting block and a first limiting switch, the first limiting block is fixedly connected with the first transmission belt, and the first limiting switch is fixedly connected with the connecting plate; the second limiting mechanism includes a second limiting block and a second limiting switch, the second limiting block is fixedly connected with the second transmission belt, and the second limiting switch is fixedly connected with the fixed frame; and the first limiting switch and the second limiting switch are connected with the control panel respectively.

[0014] The utility model discloses beneficial effect:

[0015] 1, the utility model discloses the collocation unmanned plane uses, can with the emergency warning information fast transmission to the periphery, in the emergency processing and control is more efficient;

[0016] 2, the utility model discloses can realize the adjustment to display screen angle, to be more convenient for the display of emergency information, more convenient use;

[0017] 3, the utility model cooperates the connecting mechanism, and the power-on self-checking etc., guarantee the stability of the utility model in the use process, ensure that it can play the active effective role in the emergency plan. DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram (front view) of the utility model;

[0019] Figure 2 It is the whole structure schematic diagram (rear view) of the utility model;

[0020] Figure 3 It is the driving motor mounting structure schematic diagram of the utility model;

[0021] Figure 4 It is the motor box and display screen connecting structure schematic diagram of the utility model;

[0022] Figure 5 It is the local enlarged schematic diagram of the part A of the utility model figure;

[0023] Figure 6 It is the limiting device mounting schematic diagram of the utility model;

[0024] Figure 7 It is the connecting plate installation position schematic diagram of the utility model;

[0025] Figure 8 It is the connecting plate structure schematic diagram of the utility model.

[0026] The name corresponding to each mark in the figure:

[0027] 1. Mounting bracket; 11. Base plate; 12. Left side plate; 13. Right side plate; 14. Top plate; 2. Quick-release mechanism for drone; 3. Control box; 31. Control board; 4. Drive mechanism; 41. Motor box; 42. First drive motor; 421. First transmission belt; 43. Second drive motor; 431. Second transmission belt; 44. First connecting mechanism; 441. Connecting rod; 442. First connecting ball; 443. First mating groove; 45. Second connecting mechanism; 451. Gas spring telescopic rod; 452. Second connecting ball; 453. Second mating groove; 454. Gas spring cylinder; 46. First limiting mechanism; 461. First limiting block; 462. First limit switch; 47. Second limiting mechanism; 471. Second limiting block; 472. Second limit switch; 48. Connecting plate; 481. Connecting hole; 482. Fixed pulley; 5. Display screen. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model are within the protection scope of the present utility model.

[0029] Embodiments of this utility model:

[0030] like Figures 1-8 As shown, the warning device of this utility model includes a mounting frame 1, which includes a base plate 11, a left side plate 12 and a right side plate 13 fixedly connected to the upper sides of the base plate 11, and a top plate 14 fixedly connected to the upper sides of the left side plate 12 and the right side plate 13. A drone quick-release detacher 2 is fixedly installed on the top plate 14, which cooperates with the drone (the quick-release male connector cooperates with the quick-release female connector). A control box 3 is fixedly installed below the top plate 14, and a control board 31 is fixedly installed in the control box 3. The control board 31 is connected to the drone quick-release detacher 2 for signal transmission, the drone quick-release detacher 2 is connected to the drone for signal transmission, and the drone is connected to the ground control terminal for signal transmission. The control board 31 is connected to the display screen 5.

[0031] A drive mechanism 4 is provided on one side of the mounting bracket 1, and a display screen 5 is provided on the other side of the mounting bracket 1. The drive mechanism 4 is connected to the display screen 5 and drives the display screen 5 to swing in the horizontal direction and tilt in the vertical direction (around the central axis of the vertical display screen 5 panel).

[0032] The driving mechanism 4 comprises a motor box 41 fixedly connected with the mounting frame 1; a first driving motor 42 and a second driving motor 43 are fixedly installed in the motor box 41, the first driving motor 42 is in meshing transmission with a first transmission belt 421, and the second driving motor 43 is in meshing transmission with a second transmission belt 431; both ends of the first transmission belt 421 extend out of the motor box 41 and are fixedly connected with the back of the display screen 5, in the embodiment, the first transmission belt 421 is arranged above and below the fixed points on the back of the display screen 5, so that the first transmission belt 421 is used for adjusting the pitch angle of the display screen 5; both ends of the second transmission belt 431 extend out of the motor box 41 and are also fixedly connected with the back of the display screen 5, in the embodiment, the second transmission belt 431 is arranged horizontally with the fixed points on the back of the display screen 5, so that the second transmission belt 431 is used for horizontal swinging of the display screen 5.

[0033] A connecting plate 48 is arranged between the motor box 41 and the display screen 5, the connecting plate 48 is fixedly connected with the motor box 41, both ends of the first transmission belt 421 and the second transmission belt 431 extend out of the motor box 41 and pass through the connecting plate 48 to be fixedly connected with the back of the display screen 5, a fixed pulley 482 for guiding is arranged at the cooperation position of the first transmission belt 421 and the second transmission belt 431 with the connecting plate 48.

[0034] A connecting hole 481 is further arranged on the side of the connecting plate 48 away from the motor box 41, the connecting hole 481 is fixedly connected with the first connecting mechanism 44, the first connecting mechanism 44 comprises a connecting rod 441, the connecting hole 481 is fixedly connected with the connecting rod 441, the connecting rod 441 is fixedly connected with the bottom plate 11 of the mounting frame 1, the end of the connecting rod 441 is rotatably connected with the back of the display screen 5, wherein a first connecting ball 442 is arranged at the end of the connecting rod 441, a first matching groove 443 is correspondingly arranged on the back of the display screen 5, the first matching groove 443 is matched with the first connecting ball 442, the contact matching part of the first matching groove 443 with the first connecting ball 442 is greater than half of the first connecting ball 442; a second connecting mechanism 45 is further arranged between the mounting frame 1 and the display screen 5, the second connecting mechanism 45 comprises a gas spring, wherein the gas spring cylinder body 454 of the gas spring is fixedly connected with the mounting frame 1, the front end of the gas spring telescopic rod 451 is connected with a second connecting ball 452, a second matching groove 453 is correspondingly arranged on the back of the display screen 5, the second matching groove 453 is matched with the second connecting ball 452, the contact matching part of the second matching groove 453 with the second connecting ball 452 is greater than half of the second connecting ball 452.

[0035] In the embodiment, the second transmission belt 431 has two contact points with the back of the display screen 5, the first connecting mechanism 44 has a contact point with the back of the display screen 5 (i.e. the first ball and the first matching groove 443), the second connecting mechanism 45 has a contact point with the back of the display screen 5 (i.e. the second ball and the second matching groove 453), and the four contact points are located on the same straight line and are parallel to the horizontal direction of the display screen 5; meanwhile, the first transmission belt 421 has two contact points with the back of the display screen 5, the first connecting mechanism 44 has a contact point with the back of the display screen 5 (i.e. the first ball and the first matching groove 443), and the three contact points are located on the same straight line and are parallel to the vertical direction of the display screen 5.

[0036] The first limiting mechanism 46 and the second limiting mechanism 47 are installed on the first transmission belt 421 and the second transmission belt 431 respectively, the first limiting mechanism 46 is matched with the first transmission belt 421, the first limiting block 461 is fixedly arranged on the first transmission belt 421, the first limiting switch 462 is fixedly installed on the connecting plate 48, and the first limiting switch 462 is matched with the first limiting block 461; the second limiting mechanism 47 is matched with the second transmission belt 431, the second limiting block 471 is fixedly arranged on the second transmission belt 431, the second limiting switch 472 is fixedly installed on the left side plate 12 of the mounting frame 1, and the second limiting switch 472 is matched with the second limiting block 471; in the embodiment, the first limiting switch 462 and the second limiting switch 472 are travel switches, the first limiting switch 462 and the second limiting switch 472 are connected with the control panel 31 in the control box 3 respectively, the control panel 31 is connected with the first driving motor 42 and the second driving motor 43 in the motor box 41 respectively, in the embodiment, the first driving motor 42 and the second driving motor 43 are step motors (42 series two-phase step motors), the limiting mechanism is used for determining the initial position when powered on (the encoder matched with the motor, such as an incremental encoder, loses zero after power off, and therefore needs to be re-powered to perform self-checking and re-determine the initial position), and then the display screen 5 is adjusted to the appropriate angle according to the pulse number during use; in other embodiments of the utility model, if other encoders, such as absolute value encoders, are used, zero point loss does not generally occur, and therefore the limiting mechanism for self-checking when powered on can be selectively arranged.

[0037] The utility model discloses the principle as follows:

[0038] In the use process of the utility model, the unmanned aerial vehicle is carried by quick release, and after the unmanned aerial vehicle is carried and ascends, emergency information can be displayed and warned in the air, and the angle of the display screen 5 can be adjusted through the adjusting driving mechanism 4, so that the display of information is more convenient.

[0039] The unmanned aerial vehicle quick release 2, signal transmission and control, power-on self-checking, and stepping motor and control thereof involved in the utility model are all mature technologies, and are not difficult to understand for those skilled in the art, and thus will not be described in detail.

[0040] Before the unmanned aerial vehicle carrying the warning device of the utility model is lifted, the text information to be displayed is input into the LED display screen 5 (the information is stored through a USB and the USB interface of the display screen 5 is connected), after the unmanned aerial vehicle carrying the warning device is lifted, the angle of the display screen 5 can be adjusted by controlling the first driving motor 42 or the second driving motor 43, for example, the first driving motor 42 is controlled, at this time, the first driving motor 42 drives the first transmission belt 421 to move, because the length of the two sides of the first transmission belt 421 changes, the display screen 5 will be tilted by a certain angle, in the process, the first connecting mechanism 44 and the second connecting mechanism 45 are rotationally connected to the back of the display screen 5, which does not affect the tilting action of the display screen 5, and also plays a role in ensuring the stability of the connection of the display screen 5; when the second driving motor 43 is controlled to act, the length of the two sides of the second transmission belt 431 changes, so the display screen 5 will be horizontally swung by a certain angle around the central shaft (the central shaft perpendicular to the panel of the display screen 5), the air spring arranged in a telescopic mode enables the horizontal swinging of the display screen 5 to be stably realized.

Claims

1. An emergency warning device for unmanned aerial vehicles (UAVs), characterized in that: The mounting frame is provided with a quick release for a drone above the mounting frame, and the quick release cooperates with the drone; a display screen is arranged on one side of the mounting frame, and a driving mechanism is arranged on the other side of the mounting frame, which drives the display screen to swing in the horizontal direction and pitch in the vertical direction about the central axis perpendicular to the panel of the display screen. 2.The emergency warning device of a UAV according to claim 1, wherein: The driving mechanism comprises a motor box fixedly connected with the mounting frame, a first driving motor and a second driving motor arranged in the motor box, the first driving motor engaged with a first transmission belt for transmission, and the second driving motor engaged with a second transmission belt for transmission, the two ends of the first transmission belt and the second transmission belt respectively extending to the outside of the motor box; the two ends of the first transmission belt are fixedly connected with the back of the display screen, and the two ends of the second transmission belt are fixedly connected with the back of the display screen; the two fixed points of the first transmission belt are arranged on the longitudinal axis of the display screen and symmetrically with respect to the transverse axis, and the two fixed points of the second transmission belt are arranged on the transverse axis of the display screen and symmetrically with respect to the longitudinal axis.

3. The emergency warning device of claim 2, wherein: A connecting plate is arranged between the motor box and the mounting frame, one side of the connecting plate is fixedly connected with the motor box, and the first transmission belt and the second transmission belt extend out of the connecting plate; the other side of the connecting plate is fixedly connected with a first connecting mechanism, the first connecting mechanism comprises a connecting rod, the connecting plate is fixedly connected with one end of the connecting rod, the middle of the connecting rod is fixedly connected with a bottom plate in the mounting frame, and the other end of the connecting rod is rotatably connected with the back of the display screen; the connecting point of the connecting rod and the back of the display screen is located at the center point of the display screen.

4. The emergency warning device of claim 3, wherein: A second connecting mechanism is further arranged between the mounting frame and the back of the display screen, the second connecting mechanism is a gas spring, a cylinder body of the gas spring is fixedly connected with the mounting frame, a telescopic rod of the gas spring is rotatably connected with the back of the display screen, and the connecting point of the gas spring and the back of the display screen is located on the transverse axis of the display screen.

5. The emergency warning device of claim 3, wherein: A fixed pulley is arranged at each connection between the connecting plate and the first transmission belt and the second transmission belt.

6. The emergency warning device of any one of claims 3-4, wherein: The rotatable connection is a ball and groove connection; the end of the connecting rod is connected with a first connecting ball, a first matching groove is arranged on the back of the display screen, the first connecting ball cooperates with the first matching groove, the contact matching part of the first matching groove is greater than half the volume of the first connecting ball; the end of the telescopic rod of the gas spring is connected with a second connecting ball, a second matching groove is arranged on the back of the display screen, the second connecting ball cooperates with the second matching groove, and the contact matching part of the second matching groove is greater than half the volume of the second connecting ball.

7. The emergency warning device of claim 4, wherein: A control box is fixedly arranged below the top plate of the mounting frame, a control board is arranged in the control box, the control board is connected with the quick release for the drone, the control board is connected with the display screen, and the control board is connected with the first driving motor and the second driving motor in the motor box.

8. The emergency warning device of claim 7, wherein: The position limiting mechanism comprises a first position limiting mechanism and a second position limiting mechanism, the first position limiting mechanism comprises a first position limiting block and a first position limiting switch, the first position limiting block is matched with the first position limiting switch, the first position limiting block is fixedly connected with a first transmission belt, and the first position limiting switch is fixedly connected with the connecting plate; the second position limiting mechanism comprises a second position limiting block and a second position limiting switch, the second position limiting block is matched with the second position limiting switch, the second position limiting block is fixedly connected with a second transmission belt, and the second position limiting switch is fixedly connected with the fixed frame; the first position limiting switch and the second position limiting switch are respectively connected with the control panel.

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