Police calling and reconnaissance unmanned aerial vehicle

Abstract

The utility model relates to the field of police unmanned aerial vehicles, and discloses a police shouting investigation unmanned aerial vehicle which comprises an unmanned aerial vehicle body, four sets of fixing blocks are welded to the outer side of the unmanned aerial vehicle body, connecting blocks are fixedly connected to the outer sides of the four sets of fixing blocks, and a connecting column is fixedly connected to the top of one end of each connecting block. The top of the connecting column is movably connected with a propeller through a rotating shaft, the position, corresponding to the rotating shaft, of the top of the propeller is fixedly connected with a limiting block, and the folding rain shielding structure is arranged at the top of the unmanned aerial vehicle body and used for preventing water from invading the unmanned aerial vehicle under the cloudy and rainy weather. When the folding rain shielding structure is used for shielding rain, the rain shielding plate is unfolded to shield the unmanned aerial vehicle, the situation that in rainy days, rainwater makes direct contact with the unmanned aerial vehicle, and consequently electrical elements are short-circuited or damaged is avoided, the unmanned aerial vehicle can be effectively affected by the rain shielding plate, and the safety of the unmanned aerial vehicle is greatly improved.

Description

Technical Field

[0001] The utility model relates to the field of police drones, in particular to a police shouting and reconnaissance drone. Background Art

[0002] The police shouting reconnaissance drone is a high-tech reconnaissance tool that combines drone technology and shouting functions and is mainly used in police work. This type of drone is usually highly integrated, intelligent, and portable, and is equipped with a variety of advanced equipment such as high-definition cameras, infrared thermal imagers, GPS positioning, etc., and can conduct all-round reconnaissance and monitoring in the air.

[0003] According to the Chinese patent publication CN202121183811.1, in this application, a shock absorbing device is provided in the middle of the landing gear, so that when the drone lands, the impact force on the drone is greatly reduced under the buffering effect of the shock absorbing device, thereby protecting the various components in the drone from damage and increasing the service life of the drone;

[0004] Although the shock-absorbing device in the application can effectively address the technical problems in the prior art of patrolling and tracking illegal acts and warning and driving away illegal persons, as well as the large impact on the drone when landing, during use, due to the complex working environment of the police shouting reconnaissance drone and the poor waterproof performance of the existing drones, in rainy weather, rain and humidity may cause short circuit or damage to electrical components, thereby affecting the performance and safety of the drone. For this reason, we have proposed a police shouting reconnaissance drone. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a police shouting reconnaissance drone to solve the above-mentioned problems.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a police shouting reconnaissance drone, comprising a drone body, four groups of fixed blocks are welded on the outside of the drone body, the outsides of the four groups of fixed blocks are fixedly connected with connecting blocks, the top of one end of the connecting block is fixedly connected with a connecting column, the top of the connecting column is movably connected with a propeller through a rotating shaft, the top of the propeller is fixedly connected with a limiting block at a position corresponding to the rotating shaft, and also includes:

[0009] A foldable rain shield structure is provided on the top of the drone fuselage, which is used to prevent moisture from invading the drone in rainy weather;

[0010] A protective structure installed on top of the propeller to prevent rain from hitting the drone in rainy weather.

[0011] Preferably, the foldable rainproof structure includes a support column, a connecting rod, a first auxiliary block, a rotary switch, a gear and a connecting rod, the top of the UAV fuselage is fixedly connected to the support column, the top of the support column is connected to five groups of connecting rods, one group of connecting rods is fixedly connected to the top of the support column, and the other four groups of connecting rods are movably connected to the top of the support column, wherein the tops of three groups of connecting rods are fixedly connected to three groups of first auxiliary blocks, one group of the first auxiliary blocks is fixedly connected to the outer side of a rotary switch, an induction element is provided inside the rotary switch, the two ends of the three groups of the first auxiliary blocks are respectively connected to two groups of gears through a rotating shaft, and the number of groups is seven, and the outer sides of the two groups of gears are fixedly connected to connecting rods, and the number of groups is eight.

[0012] Preferably, the other end of the connecting rod is fixedly connected to the other three groups of gears, and the outer sides of the other three groups of gears are movably connected with four groups of third auxiliary blocks through rotating shafts.

[0013] Preferably, the other ends of the two groups of connecting rods are fixedly connected with two groups of second auxiliary blocks, and the bottoms of the two groups of second auxiliary blocks are fixedly connected with the tops of the two groups of connecting rods.

[0014] Preferably, the protective structure comprises a waterproof curtain, and the outer sides of the two groups of the second auxiliary blocks and the outer sides of the three groups of the first auxiliary blocks are fixedly connected with the waterproof curtain.

[0015] Preferably, a rain shield is fixedly connected to the inner side of the connecting rod, the number of which is eight, and the rain shield is arc-shaped.

[0016] Preferably, a slide groove is provided at the top of the support column, and the inner wall of the slide groove is movably connected with a connecting column group slider, and the tops of the four groups of sliders are fixedly connected to four of the connecting rods.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the utility model provides a police shouting reconnaissance drone, which has the following beneficial effects:

[0019] 1. The police shouting reconnaissance drone is equipped with a folding rain shield structure. When performing rain shield operations, the rain shield is unfolded to block the drone to prevent rain from directly contacting the drone and causing short circuit or damage to electrical components. The drone can be effectively affected by the rain shield, greatly improving the safety of the drone.

[0020] 2. The protective structure of the police-used reconnaissance drone moves synchronously with the folding rain shield structure when protecting the propeller. The waterproof curtain is unfolded to prevent rain from splashing onto the propeller from the side, avoiding water droplets on the propeller that may cause stall. The propeller can be effectively affected by the waterproof curtain, greatly improving the safety of the drone. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a front view of the foldable rain shield structure of the utility model;

[0023] Figure 3 This is a side view of the foldable rain shield structure of the utility model;

[0024] Figure 4 It is a schematic diagram of the disassembly of the foldable rainproof structure of the utility model.

[0025] In the figure: 1. UAV fuselage; 2. fixing block; 3. connecting block; 4. connecting column; 5. propeller; 6. limiting block; 7. supporting column; 8. waterproof curtain; 9. connecting rod; 10. first auxiliary block; 11. rotary switch; 12. gear; 13. connecting rod; 14. rain shield; 15. second auxiliary block; 16. slide groove; 17. slider; 18. third auxiliary block. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-4 A police shouting reconnaissance drone comprises a drone body 1, four sets of fixing blocks 2 are welded on the outside of the drone body 1, the outsides of the four sets of fixing blocks 2 are fixedly connected with connecting blocks 3, the top of one end of the connecting block 3 is fixedly connected with a connecting column 4, the top of the connecting column 4 is movably connected with a propeller 5 through a rotating shaft, and the top of the propeller 5 is fixedly connected with a limiting block 6 at a position corresponding to the rotating shaft, and also includes:

[0028] Furthermore, a foldable rainproof structure is provided on the top of the drone fuselage 1, which is used to prevent moisture from intruding into the drone in rainy weather;

[0029] Furthermore, a protective structure is provided on top of the propeller 5, which is used to prevent rain from hitting the drone in rainy weather.

[0030] Furthermore, the foldable rainproof structure includes a support column 7, a connecting rod 9, a first auxiliary block 10, a rotary switch 11, a gear 12 and a connecting rod 13. The top of the UAV fuselage 1 is fixedly connected to the support column 7. The top of the support column 7 is connected to five groups of connecting rods 9, one of which is fixedly connected to the top of the support column 7, and the other four groups of connecting rods 9 are movably connected to the top of the support column 7. The tops of three groups of connecting rods 9 are fixedly connected to three groups of first auxiliary blocks 10, one of which is fixedly connected to the outer side of one group of first auxiliary blocks 10 with a rotary switch 11, and an induction element is arranged inside 11. The two ends of the three groups of first auxiliary blocks 10 are movably connected to two groups of gears 12 through rotating shafts, and the number of the groups is seven. The outer sides of the two groups of gears 12 are fixedly connected to connecting rods 13, and the number of the groups is eight. When in use, the UAV remote control is used to remotely control the first auxiliary blocks 10. The rotary switch 11 is controlled to rotate, and the output end of the rotary switch 11 is movably connected to the rotating shaft. The rotation of the rotary switch 11 causes the seven groups of gears 12 to mesh with each other outward through the rotating shaft. The outer side of the gear 12 is fixedly connected with a connecting rod 13. When the gear 12 moves, the connecting rod 13 also stretches outward in the same direction. There are a total of eight groups of connecting rods 13. When the connecting rod 13 moves from a vertical position to a horizontal position, a circle is formed. The three groups of first auxiliary blocks 10 and the four groups of third auxiliary blocks 18 movably connected to the outer sides of the seven groups of gears 12 through the rotating shaft play the role of connecting the gears 12. The bottoms of the three groups of first auxiliary blocks 10 are fixedly connected with connecting rods 9. There are a total of five groups of connecting rods 9. One end of one group of connecting rods 9 is fixedly connected to the top of the support column 7, and the remaining four groups of connecting rods 9 can approach each other toward another group of connecting rods 9.

[0031] Furthermore, the other end of the connecting rod 13 is fixedly connected to the other three groups of gears 12, and the outer sides of the other three groups of gears 12 are movably connected to four groups of third auxiliary blocks 18 via rotating shafts.

[0032] Furthermore, the other ends of the two groups of connecting rods 13 are fixedly connected with two groups of second auxiliary blocks 15, and the bottoms of the two groups of second auxiliary blocks 15 are fixedly connected with the tops of two groups of connecting rods 9. The other two groups of connecting rods 9 are on one end of the two groups of connecting rods 13 at the junction, and the function of the connecting rods 9 is to play a supporting and connecting role.

[0033] Furthermore, the protective structure includes a waterproof curtain 8. The outer sides of the two groups of second auxiliary blocks 15 and the outer sides of the three groups of first auxiliary blocks 10 are fixedly connected with the waterproof curtain 8. The outer sides of the first auxiliary blocks 10 away from the gear 12 are fixedly connected with the waterproof curtain 8. The waterproof curtain 8 unfolds and contracts together with the folding rainproof structure. The function of the waterproof curtain 8 is mainly to prevent rain from wetting the sides of the propeller 5.

[0034] Furthermore, a rain shield 14 is fixedly connected to the inner side of the connecting rod 13, and there are eight groups of rain shields 14, and the rain shields 14 are arc-shaped. Eight groups of rain shields 14 are fixedly connected to the side of the connecting rod 13 that is close to each other. Each group of rain shields 14 is an arc. When the rain shields 14 are fully unfolded, a solid circle is formed to prevent rain from dripping onto the drone fuselage 1.

[0035] Furthermore, a slide groove 16 is provided at the top of the support column 7, and the inner wall of the slide groove 16 is movably connected with four groups of sliders 17 of the connecting column. The tops of the four groups of sliders 17 are fixedly connected to four groups of connecting rods 9, and the bottoms of the four groups of connecting rods 9 are fixedly connected with the sliders 17. The sliders 17 slide on the slide groove 16 provided on the support column 7 to achieve folding and unfolding.

[0036] Working principle:

[0037] When in use, the rotary switch 11 is remotely controlled by the drone remote control to rotate the rotary switch 11, and the output end of the rotary switch 11 is movably connected to the rotating shaft. The rotation of the rotary switch 11 causes the seven groups of gears 12 to mesh with each other outward through the rotating shaft. The outer side of the gear 12 is fixedly connected with a connecting rod 13. When the gear 12 moves, the connecting rod 13 also stretches outward in the same direction. There are a total of eight groups of connecting rods 13. When the connecting rod 13 moves from a vertical position to a horizontal position, a circle is formed. Eight groups of rain shields 14 are fixedly connected to the side where the connecting rods 13 are close to each other. Each group of rain shields 14 is an arc. When the rain shields 14 are fully unfolded, a solid circle is formed to prevent rain from dripping on the drone fuselage 1. The outer sides of the seven groups of gears 12 are connected to the three groups of first auxiliary blocks 10 and the four The third auxiliary block 18 of the group serves to connect the gear 12. The bottoms of the three groups of first auxiliary blocks 10 are fixedly connected with connecting rods 9. There are five groups of connecting rods 9 in total. The other two groups of connecting rods 9 are on one end of the two groups of connecting rods 13 at the junction. The connecting rod 9 serves to support and connect. One end of one group of connecting rods 9 is fixedly connected to the top of the support column 7, and the remaining four groups of connecting rods 9 can approach each other toward the other group of connecting rods 9. The bottoms of the four groups of connecting rods 9 are fixedly connected with sliders 17. The sliders 17 slide on the slide grooves 16 provided on the support column 7 to achieve folding and unfolding. The three groups of first auxiliary blocks 10 are fixedly connected with waterproof curtains 8 on the outside away from the gears 12. The waterproof curtains 8 unfold and retract together with the folding rainproof structure. The waterproof curtains 8 mainly prevent the rain from wetting the sides of the propellers 5.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A police-use reconnaissance drone, comprising a drone body (1), four groups of fixing blocks (2) are welded to the outside of the drone body (1), the outsides of the four groups of fixing blocks (2) are all fixedly connected to connecting blocks (3), the top of one end of the connecting block (3) is fixedly connected to a connecting column (4), the top of the connecting column (4) is movably connected to a propeller (5) via a rotating shaft, and the top of the propeller (5) is fixedly connected to a limiting block (6) at a position corresponding to the rotating shaft, characterized in that: Also includes: A foldable rainproof structure is arranged on the top of the drone fuselage (1), and is used to prevent moisture from invading the drone in rainy weather; A protective structure is arranged on the top of the propeller (5), and is used to prevent rain from hitting the drone in rainy weather.

2. A police call detection drone according to claim 1, characterized in that: The foldable rainproof structure comprises a support column (7), a connecting rod (9), a first auxiliary block (10), a rotary switch (11), a gear (12) and a connecting rod (13). The top of the drone body (1) is fixedly connected to the support column (7). The top of the support column (7) is connected to five groups of connecting rods (9), one group of connecting rods (9) is fixedly connected to the top of the support column (7), and the other four groups of connecting rods (9) are movably connected to the top of the support column (7). The tops of three groups of connecting rods (9) are fixedly connected to three groups of first auxiliary blocks (10). The outer side of one group of the first auxiliary blocks (10) is fixedly connected to the rotary switch (11). The inside of the rotary switch (11) is provided with an induction element. The two ends of the three groups of the first auxiliary blocks (10) are movably connected to two groups of gears (12) respectively through rotating shafts, and the number of the groups is seven. The outer sides of the two groups of the gears (12) are fixedly connected to connecting rods (13), and the number of the groups is eight.

3. A police-use voice-speaking reconnaissance drone according to claim 2, characterized in that: The other end of the connecting rod (13) is fixedly connected to the other three sets of gears (12), and the outer sides of the other three sets of gears (12) are movably connected to four sets of third auxiliary blocks (18) via rotating shafts.

4. The police-use voice-speaking reconnaissance drone according to claim 3 is characterized by: The other ends of the two groups of connecting rods (13) are fixedly connected to two groups of second auxiliary blocks (15), and the bottoms of the two groups of second auxiliary blocks (15) are fixedly connected to the tops of the two groups of connecting rods (9).

5. The police-use voice-speaking reconnaissance drone according to claim 4 is characterized by: The protective structure comprises a waterproof curtain (8), and the outer sides of the two groups of the second auxiliary blocks (15) and the outer sides of the three groups of the first auxiliary blocks (10) are all fixedly connected with the waterproof curtain (8).

6. The police-use voice-speaking reconnaissance drone according to claim 3 is characterized by: The inner side of the connecting rod (13) is fixedly connected with a rain shield (14), the number of which is eight, and the rain shield (14) is arc-shaped.

7. The police-use voice-speaking reconnaissance drone according to claim 2, characterized in that: A slide groove (16) is provided at the top of the support column (7), and a group of sliders (17) of the connecting column (4) are movably connected to the inner wall of the slide groove (16), and the tops of the four groups of sliders (17) are fixedly connected to four groups of connecting rods (9).

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