CN216443806U

CN216443806U - Unmanned aerial vehicle infrared ray range unit

Info

Publication number: CN216443806U
Application number: CN202122805884.6U
Authority: CN
Inventors: 邓颖; 曾聪文
Original assignee: Guilin University of Electronic Technology
Current assignee: Guilin University of Electronic Technology
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-05-06
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses an unmanned aerial vehicle infrared distance measuring device which comprises a fixed disc, wherein grooves are formed in two sides of the middle of the fixed disc, and a driving gear and a driven gear are rotatably connected inside the grooves through rotating shafts. According to the utility model, the fixed disk is arranged, two grooves are formed in two sides of the fixed disk, the driving gear, the driven gear, the first adjusting gear and the second adjusting gear are arranged in the two grooves, the surfaces of connecting shafts in the middle of the first adjusting gear and the second adjusting gear are fixedly sleeved with the rotating rods, one end of each rotating rod is connected with the first infrared module, and the connecting shafts in the middle of the driving gears are connected with the driving end of the micro motor at the bottom of the fixed disk.

Description

Unmanned aerial vehicle infrared ray range unit

Technical Field

The utility model relates to the technical field of unmanned aerial vehicle parts, in particular to an infrared distance measuring device for an unmanned aerial vehicle.

Background

Unmanned aerial vehicle is the unmanned vehicles who a radio remote control equipment or self program control device manipulation, generally by operator operation unmanned aerial vehicle's flight path in work, nevertheless because unmanned aerial vehicle when the low-altitude flight, a lot of obstacles can appear on every side, the operator can be difficult to the actual flight form of accurate observation unmanned aerial vehicle on ground, consequently just need install infrared distance measuring device on unmanned aerial vehicle for unmanned aerial vehicle keeps safe distance with the obstacle.

But present unmanned aerial vehicle all installs two infrared ranging devices in the front and back, and this infrared ranging device's angle is fixed, can't in time adjust infrared ranging device's angle according to unmanned aerial vehicle's flight orbit, and the blind angle of range finding appears easily, influences unmanned aerial vehicle's flight safety. In addition, chips such as a single chip microcomputer and an analog-to-digital converter for processing the infrared distance measuring device are located inside the unmanned aerial vehicle, and when the infrared distance measuring device breaks down, the unmanned aerial vehicle needs to be dismounted and then maintained, so that the utility model provides the infrared distance measuring device for the unmanned aerial vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an infrared distance measuring device for an unmanned aerial vehicle.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides an unmanned aerial vehicle infrared ray range unit, includes the fixed disk, fixed disk middle part both sides have all been seted up flutedly, the recess is inside to rotate through the pivot and be connected with driving gear and driven gear, one side that driving gear and driven gear kept away from each other rotates through the pivot respectively and is connected with first adjusting gear and second adjusting gear, the pivot surface at first adjusting gear and second adjusting gear middle part is all fixed and has been cup jointed the dwang, dwang other end fixedly connected with first infrared module, fixed disk lower surface both sides all are fixed with micro motor, and micro motor are accurate servo motor, the apical chamber has been seted up on the fixed disk top, and apical chamber inner bottom wall is equipped with singlechip and analog to digital converter, the apical chamber top is equipped with the top cap.

Furthermore, the driving end of the micro motor is fixedly connected with a rotating shaft in the middle of the driving gear, the driving gear is meshed with the driven gear and the first adjusting gear, the second adjusting gear is meshed with the driven gear, the micro motor can drive the first adjusting gear and the second adjusting gear to rotate at the same time, and then the angle of the first infrared module can be adjusted.

Furthermore, the number of teeth of the driving gear is the same as that of the driven gear, the number of teeth of the first adjusting gear is the same as that of the second adjusting gear, the number of teeth of the driving gear is more than that of the first adjusting gear and that of teeth of the second adjusting gear, and when the driving gear rotates by a small angle relative to the driven gear, the first adjusting gear and the second adjusting gear can rotate by a large margin, so that the rapid adjustment of the angle of the first infrared module is realized.

Further, fixed disk lower surface middle part is fixed with the controller, and micro motor and controller electric connection, and the controller is connected with unmanned aerial vehicle internal control circuit, and after unmanned aerial vehicle flight orbit changed, the controller will control micro motor and rotate.

Further, the fixed disk lateral wall is fixed with four dead levers, four the dead lever other end all is fixed with the infrared module of second, first infrared module and the infrared module of second all include infrared emission head and infrared receiving head, are convenient for through the omnidirectional distance of measuring barrier around the unmanned aerial vehicle of a plurality of infrared modules of first and a plurality of infrared modules of second.

Further, first infrared module and the infrared module of second all with adc electric connection, adc and singlechip electric connection, singlechip and the inside alarm module electric connection of unmanned aerial vehicle, when first infrared module or the infrared module of second detected that the distance between unmanned aerial vehicle and the barrier is in danger distance, unmanned aerial vehicle will send the warning.

Further, fixed disk upper surface both sides all are fixed with the connecting plate, and the mounting hole has been seted up at the connecting plate middle part, are convenient for install whole device in unmanned aerial vehicle outside through the connecting plate.

The utility model has the beneficial effects that:

when the unmanned aerial vehicle flies, the rotating rod can be driven to rotate by the rotation of the micro motor, so that the first infrared module can timely adjust the angle to measure the distance between the first infrared module and an obstacle, and the safety of the unmanned aerial vehicle in the high-speed flying process is improved. In addition, the device passes through the connecting plate to be installed in the outside bottom of unmanned aerial vehicle to be convenient for install or dismantle the device, it is more simple and convenient that the maintenance is got up.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional top view of the present invention;

FIG. 3 is a main sectional view of the present invention.

Illustration of the drawings:

1. fixing the disc; 2. a groove; 21. a driving gear; 22. a driven gear; 23. a first adjusting gear; 24. a second adjusting gear; 3. rotating the rod; 4. a first infrared module; 5. a micro motor; 6. a controller; 7. fixing the rod; 8. a second infrared module; 9. a top chamber; 10. a single chip microcomputer; 11. an analog-to-digital converter; 12. a top cover; 13. a connecting plate.

Detailed Description

As shown in fig. 1-3, relate to an unmanned aerial vehicle infrared distance measuring device, including fixed disk 1, recess 2 has all been seted up to 1 middle part both sides of fixed disk, recess 2 is inside to rotate through the pivot and is connected with driving gear 21 and driven gear 22, one side that driving gear 21 and driven gear 22 kept away from each other rotates through the pivot respectively and is connected with first adjusting gear 23 and second adjusting gear 24, the pivot surface at first adjusting gear 23 and second adjusting gear 24 middle part all fixedly cup joints dwang 3, dwang 3 other end fixedly connected with first

infrared module

4, 1 lower surface both sides of fixed disk all are fixed with micro motor 5, and micro motor 5 is accurate servo motor, top chamber 9 has been seted up on 1 top of fixed disk, and the bottom wall is equipped with singlechip 10 and adc 11 in top chamber 9, top chamber 9 top is equipped with top cap 12. The outer side wall of the fixed disk 1 is fixed with four fixed rods 7, the other ends of the four fixed rods 7 are fixed with second infrared modules 8, and the first infrared module 4 and the second infrared modules 8 comprise infrared emitting heads and infrared receiving heads. Connecting plates 13 are fixed on two sides of the upper surface of the fixed disc 1, and mounting holes are formed in the middle of the connecting plates 13.

As shown in fig. 2 and 3, the driving end of the micro motor 5 is fixedly connected to the middle rotating shaft of the driving gear 21, the driving gear 21 is meshed with the driven gear 22 and the first adjusting gear 23, and the second adjusting gear 24 is meshed with the driven gear 22. The driving gear 21 and the driven gear 22 have the same number of teeth, the first adjusting gear 23 and the second adjusting gear 24 have the same number of teeth, and the number of teeth of the driving gear 21 and the driven gear 22 is more than that of the first adjusting gear 23 and the second adjusting gear 24. The controller 6 is fixed in the middle of the lower surface of the fixed disc 1, and the micro motor 5 is electrically connected with the controller 6. The first infrared module 4 and the second infrared module 8 are both electrically connected with the analog-to-digital converter 11, and the analog-to-digital converter 11 is electrically connected with the single chip microcomputer 10.

When in use: install the device in the unmanned aerial vehicle bottom through connecting plate 13, when the normal front and back left and right sides flight of unmanned aerial vehicle, the barrier distance of the positive front and back left and right sides can be measured to the infrared module 8 of second of being connected with dead lever 7, when unmanned aerial vehicle flight orbit is not forward or forward backward, corresponding micro motor 5 rotation will be controlled to controller 6, drive gear 21 rotates through micro motor 5 drive, drive gear 21 will drive driven gear 22 and rotate, and drive gear 21 and driven gear 22 can drive first adjusting gear 23 and second adjusting gear 24 simultaneously and rotate, and then drive the dwang 3 rotation on first adjusting gear 23 and the 24 middle part pivot surfaces of second adjusting gear, make the direction of the flight of corresponding first infrared module 4 orientation unmanned aerial vehicle rotate, be used for measuring the ascending barrier distance of unmanned aerial vehicle flight direction. When the flight in-process, when there is the barrier in unmanned aerial vehicle the place ahead, infrared emission head on first infrared module 4 or the second infrared module 8 sends the infrared ray and is reflected the back by the barrier, receive by infrared receiving head, time difference information transfer to singlechip 10 by adc 11 with transmission and receipt calculates after that, calculate the distance between unmanned aerial vehicle and the barrier, if when this distance is less than safe distance, the inside alarm module of unmanned aerial vehicle will send out the police dispatch newspaper, and alarm module is unmanned aerial vehicle prior art, no longer describe repeatedly.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides an unmanned aerial vehicle infrared ray range unit, includes fixed disk (1), its characterized in that: the fixing disc (1) is provided with grooves (2) in the middle, the grooves (2) are connected with a driving gear (21) and a driven gear (22) through a rotating shaft in a rotating mode, one side, away from each other, of the driving gear (21) and the driven gear (22) is connected with a first adjusting gear (23) and a second adjusting gear (24) through a rotating shaft in a rotating mode respectively, rotating rods (3) are fixedly sleeved on the surfaces of the rotating shafts in the middle of the first adjusting gear (23) and the second adjusting gear (24), the other end of each rotating rod (3) is fixedly connected with a first infrared module (4), both sides of the lower surface of the fixing disc (1) are fixed with micro motors (5), the micro motors (5) are precise servo motors, a top cavity (9) is formed in the top end of the fixing disc (1), and an inner bottom wall of the top cavity (9) is provided with a single chip microcomputer (10) and an analog-to-digital converter (11), and a top cover (12) is arranged at the top end of the top cavity (9).

2. An unmanned aerial vehicle infrared ranging device of claim 1, wherein: the driving end of the micro motor (5) is fixedly connected with a rotating shaft in the middle of the driving gear (21), the driving gear (21) is meshed with the driven gear (22) and the first adjusting gear (23), and the second adjusting gear (24) is meshed with the driven gear (22).

3. An unmanned aerial vehicle infrared ranging device of claim 1, wherein: the tooth number of driving gear (21) and driven gear (22) is the same, first adjusting gear (23) and second adjusting gear (24) tooth number are the same, and driving gear (21) and driven gear (22) tooth number are more than first adjusting gear (23) and second adjusting gear (24) tooth number.

4. An unmanned aerial vehicle infrared ranging device of claim 1, wherein: the middle of the lower surface of the fixed disc (1) is fixed with a controller (6), and the micro motor (5) is electrically connected with the controller (6).

5. An unmanned aerial vehicle infrared ranging device of claim 1, wherein: fixed disk (1) lateral wall is fixed with four dead levers (7), four the dead lever (7) other end all is fixed with second infrared module (8), first infrared module (4) and second infrared module (8) all include infrared emission head and infrared receiving head.

6. An unmanned aerial vehicle infrared ranging device as defined in claim 1 or 5, wherein: the first infrared module (4) and the second infrared module (8) are electrically connected with an analog-to-digital converter (11), and the analog-to-digital converter (11) is electrically connected with the single chip microcomputer (10).

7. An unmanned aerial vehicle infrared ranging device of claim 1, wherein: connecting plates (13) are fixed on two sides of the upper surface of the fixed disc (1), and mounting holes are formed in the middle of the connecting plates (13).