Navigation low-altitude surveying and mapping device assisted by Beidou high-precision positioning

Abstract

The utility model relates to the technical field of navigation low-altitude surveying and mapping, in particular to a navigation low-altitude surveying and mapping device assisted by Beidou high-precision positioning. The utility model provides a Beidou high-precision positioning assisted navigation low-altitude surveying and mapping device which can be used for repelling birds by utilizing light and shadow changes in a low-altitude surveying and mapping process, protecting a surveying and mapping instrument and reducing the risk of equipment damage. A navigation low-altitude surveying and mapping device assisted by Beidou high-precision positioning comprises an unmanned aerial vehicle, a connecting frame and the like, and the lower middle portion of the unmanned aerial vehicle is connected with the connecting frame. According to the bird repelling device, the first mounting frame rotates, so that the rotating base rotates, the repelling fan blades are driven by wind power to rotate, birds are frightened through the repelling fan blades by means of light and shadow changes, and the birds or branches are shielded through the protective cover; the effects that the birds can be repelled through the light and shadow changes in the low-altitude surveying and mapping process, meanwhile, the surveying and mapping instrument is protected, and the risk of equipment damage is reduced are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to navigation low altitude surveying and mapping technical field especially navigation low altitude surveying and mapping device of big dipper high accuracy positioning auxiliary. BACKGROUND

[0002] With the acceleration of low altitude economy and wisdom city construction, navigation low altitude surveying and mapping technology has become the core support means in the field such as land resource dynamic monitoring, disaster emergency response, agricultural resource accurate evaluation, after global networking of big dipper satellite navigation system, its centimeter level positioning accuracy and submeter level dynamic timing capacity provide centimeter level space reference and millisecond level time synchronization guarantee for low altitude surveying and mapping, promote surveying and mapping precision to enter'space-time fusion'new stage.

[0003] The existing navigation low altitude surveying and mapping device is usually by installing surveying and mapping instrument and other positioning sensors to unmanned aerial vehicle, carries out surveying and mapping through the control unmanned aerial vehicle low altitude flight, but low altitude surveying and mapping operation height and bird habitat activity area height overlap, lead to collision risk increase significantly, thereby can influence surveying and mapping operation process, increase the risk of equipment damage.

[0004] Therefore, it is necessary to design a big dipper high accuracy positioning auxiliary navigation low altitude surveying and mapping device which can drive birds by light and shadow change while protecting the surveying and mapping instrument during low altitude surveying and mapping, thereby reducing the risk of equipment damage. UTILITY MODEL CONTENT

[0005] In order to overcome the defect that low altitude surveying and mapping operation height and bird habitat activity area height overlap, lead to collision risk increase significantly, thereby can influence surveying and mapping operation process, increase the risk of equipment damage, the utility model provides a big dipper high accuracy positioning auxiliary navigation low altitude surveying and mapping device which can drive birds by light and shadow change while protecting the surveying and mapping instrument during low altitude surveying and mapping, thereby reducing the risk of equipment damage.

[0006] The technical scheme is: a big dipper high accuracy positioning auxiliary navigation low altitude surveying and mapping device, including unmanned aerial vehicle, connecting frame, surveying and mapping instrument, rotating base, second extension spring, sliding plate, protection assembly and expelling assembly, the lower part of unmanned aerial vehicle is connected with connecting frame, the middle part of connecting frame is installed with surveying and mapping instrument, the upper side of the middle part of unmanned aerial vehicle is rotatably connected with rotating base, the inside of rotating base is slidably connected with sliding plate, the second extension spring is connected between sliding plate and rotating base, the protection assembly that can protect surveying and mapping instrument is arranged on connecting frame, the expelling assembly that can expel birds is arranged on sliding plate.

[0007] Further, the front and rear parts of rotating base are both provided with L-shaped grooves.

[0008] Further, the protection assembly comprises a protection cover, a limiting rod and a first telescopic spring, the protection cover is slidably connected to the connecting frame, the limiting rod is slidably connected to the front upper portion of the protection cover, the limiting rod is clamped to the connecting frame, and the first telescopic spring is connected between the limiting rod and the protection cover.

[0009] Further, the protection cover is made of transparent material.

[0010] Further, the protection assembly comprises a protection cover, a limiting rod and a first telescopic spring, the protection cover is slidably connected to the connecting frame, the limiting rod is slidably connected to the front upper portion of the protection cover, the limiting rod is clamped to the connecting frame, and the first telescopic spring is connected between the limiting rod and the protection cover.

[0011] Further, the surface of the repelling fan blade is made of light-reflecting material.

[0012] The utility model discloses the beneficial effect is: 1, the utility model discloses a first mounting frame rotates, makes the rotary base rotate, drives the repelling fan blade to rotate through the wind, and the repelling fan blade utilizes the light and shade change to frighten the bird, and the protection cover is shielded to the bird or branch, reaches the effect of the process of low -altitude surveying and mapping can utilize the light and shade change to drive the bird to the surveying and mapping instrument and protect, reduces the risk of equipment damage.

[0013] 2, the utility model discloses the second mounting frame when colliding to the branch in the process of unmanned aerial vehicle movement, will make the second mounting frame rotate, and the torsion spring deforms, when the second mounting frame no longer is extruded, the torsion spring restores, drives the second mounting frame to rotate and resets, reaches the effect of the second mounting frame when colliding to the branch and rotates, avoids the flight of unmanned aerial vehicle. ACCURATE DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0015] Figure 2 It is the three-dimensional structure schematic diagram of the utility model unmanned aerial vehicle and surveying and mapping instrument and the like components.

[0016] Figure 3 It is the three-dimensional structure schematic diagram of the utility model protection cover and limiting rod and the like components.

[0017] Figure 4 It is the three-dimensional structure schematic diagram of the utility model rotary base and first mounting frame and the like components.

[0018] Figure 5 It is the three-dimensional structure schematic diagram of the utility model torsion spring and repelling fan blade and the like components.

[0019] The marks in the drawings: 1: unmanned aerial vehicle, 2: connecting frame, 3: surveying instrument, 4: protective cover, 5: limiting rod, 6: first telescopic spring, 7: rotary base, 8: second telescopic spring, 9: sliding plate, 10: first mounting frame, 11: convex rod, 12: second mounting frame, 13: torsion spring, 14: repelling fan blade. DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with specific embodiments, the illustrative embodiments of the utility model and the description are used to explain the utility model, but not as the limitation of the utility model.

[0021] A Beidou high-precision positioning auxiliary low-altitude surveying and mapping device for navigation, as shown in Figure 1 , Figure 2 and Figure 4 , comprising an unmanned aerial vehicle 1, a connecting frame 2, a surveying instrument 3, a rotary base 7, a second telescopic spring 8, a sliding plate 9, a protective assembly and a repelling assembly, the connecting frame 2 is connected to the lower part of the unmanned aerial vehicle 1, the surveying instrument 3 is installed in the middle part of the connecting frame 2, the rotary base 7 is rotatably connected to the upper side of the middle part of the unmanned aerial vehicle 1, L-shaped grooves are formed in the front and rear parts of the rotary base 7, the sliding plate 9 is slidably connected inside the rotary base 7, the second telescopic spring 8 is connected between the sliding plate 9 and the rotary base 7, the protective assembly is arranged on the connecting frame 2, and the repelling assembly is arranged on the sliding plate 9.

[0022] As shown in Figure 1 and Figure 3 , the protective assembly comprises a protective cover 4, a limiting rod 5 and a first telescopic spring 6, the protective cover 4 is slidably connected to the connecting frame 2, the protective cover 4 is made of transparent material, the limiting rod 5 is slidably connected to the front upper part of the protective cover 4, the limiting rod 5 is connected to the connecting frame 2, and the first telescopic spring 6 is connected between the limiting rod 5 and the protective cover 4.

[0023] As shown in Figure 1 , Figure 4 and Figure 5 , the repelling assembly further comprises a first mounting frame 10, a convex rod 11, a second mounting frame 12, a torsion spring 13 and a repelling fan blade 14, the first mounting frame 10 is placed on the upper side of the sliding plate 9, the first mounting frame 10 is connected to the front and rear convex rods 11 in the middle part, the second mounting frame 12 is rotatably connected to the four parts of the first mounting frame 10, the torsion spring 13 is connected between the upper and lower parts of the second mounting frame 12 and the first mounting frame 10, and the repelling fan blade 14 is rotatably connected to the second mounting frame 12.

[0024] In use of the device, first, the unmanned aerial vehicle 1 is moved to a low-altitude surveying area, then the limiting rod 5 is moved outward, the first telescopic spring 6 is stretched, then the protective cover 4 is docked with the connecting frame 2 and moved, then the limiting rod 5 is loosened, the first telescopic spring 6 is restored, the limiting rod 5 is moved and reset and is clamped with the connecting frame 2, the protective cover 4 is limited and fixed, then the first mounting frame 10 is inserted into the rotating base 7 and is moved downward, the sliding plate 9 is moved downward, the second telescopic spring 8 is extruded and contracted, then the rotating base 7 is rotated along the L-shaped slot, after rotating a certain angle, the first mounting frame 10 is loosened, the second telescopic spring 8 is restored, the sliding plate 9 is moved upward, the first mounting frame 10 is moved upward and is clamped with the rotating base 7, after installation, the unmanned aerial vehicle 1 is moved upward, the surveying instrument 3 is used for surveying, in the process of moving of the unmanned aerial vehicle 1, the first mounting frame 10 is rotated by wind, the rotating base 7 is rotated, the driving fan blade 14 is rotated by wind, the surface of the driving fan blade 14 is made of reflective material, the birds are frightened by light and shadow change, the birds or branches are shielded by the protective cover 4, so that the birds are driven by light and shadow change in the process of low-altitude surveying, the surveying instrument 3 is protected, the risk of equipment damage is reduced, when the second mounting frame 12 collides with the branch in the process of moving of the unmanned aerial vehicle 1, the second mounting frame 12 is rotated, the torsion spring 13 is deformed, when the second mounting frame 12 is no longer extruded, the torsion spring 13 is restored, the second mounting frame 12 is rotated and reset, so that the second mounting frame 12 is rotated when colliding with the branch, the flight of the unmanned aerial vehicle 1 is avoided.

[0025] The application is described in detail above, specific examples are applied in the description to explain the principles and implementation modes of the application, the above examples are only used to help understand the method and core idea of the application; meanwhile, according to the idea of the application, the specific implementation mode and application range can be changed by those skilled in the art, and the above description should not be understood as limitation of the application.

Claims

1. A BeiDou high-precision positioning-assisted low-altitude mapping device for general aviation, characterized in that, The device includes a drone (1), a connecting frame (2), a surveying instrument (3), a rotating base (7), a second telescopic spring (8), a sliding plate (9), protective components, and a bird deterrent component. The connecting frame (2) is connected to the lower part of the drone (1), and the surveying instrument (3) is installed in the middle of the connecting frame (2). The rotating base (7) is rotatably connected to the upper part of the middle of the drone (1). The sliding plate (9) is slidably connected inside the rotating base (7). The second telescopic spring (8) is connected between the sliding plate (9) and the rotating base (7). The connecting frame (2) is equipped with a protective component that can protect the surveying instrument (3), and the sliding plate (9) is equipped with a bird deterrent component that can deter birds.

2. The navigation low-altitude mapping device assisted by Beidou high-precision positioning according to claim 1, characterized in that, The rotating base (7) has L-shaped grooves on both the front and back.

3. The navigation low-altitude mapping device assisted by Beidou high-precision positioning according to claim 1, characterized in that, The protective assembly includes a protective cover (4), a limiting rod (5) and a first telescopic spring (6). The protective cover (4) is slidably attached to the connecting frame (2). The limiting rod (5) is slidably connected to the upper front part of the protective cover (4). The limiting rod (5) is attached to the connecting frame (2). The first telescopic spring (6) is connected between the limiting rod (5) and the protective cover (4).

4. The navigation low-altitude mapping device assisted by Beidou high-precision positioning according to claim 3, characterized in that, The protective cover (4) is made of transparent material.

5. A BeiDou high-precision positioning-assisted low-altitude mapping device for general aviation according to claim 1, characterized in that, It also includes a drive-away component, which includes a first mounting bracket (10), a protruding rod (11), a second mounting bracket (12), a torsion spring (13), and a drive-away fan blade (14). The first mounting bracket (10) is placed on the upper side of the slide plate (9). The first mounting bracket (10) is connected to two protruding rods (11) in the middle. The first mounting bracket (10) is rotatably connected to the second mounting bracket (12) in all four directions. The second mounting bracket (12) is connected to the first mounting bracket (10) in both the upper and lower parts with a torsion spring (13). The drive-away fan blade (14) is rotatably connected to the second mounting bracket (12).

6. A BeiDou high-precision positioning-assisted low-altitude mapping device for general aviation according to claim 5, characterized in that, The surface of the fan blades (14) is made of reflective material.

Images