CN113291479B

CN113291479B - Unmanned aerial vehicle scram detecting instrument

Info

Publication number: CN113291479B
Application number: CN202110833030.0A
Authority: CN
Inventors: 王永泽
Original assignee: Jiangsu Nan'ou Internet Of Things Technology Co Ltd
Current assignee: Jiangsu Nan'ou Internet Of Things Technology Co Ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2021-09-21
Anticipated expiration: 2041-07-22
Also published as: CN113291479A

Abstract

The invention discloses an unmanned aerial vehicle emergency stop detection instrument, which comprises a machine body shell, wherein a machine body cavity is arranged in the machine body shell, an emergency stop detection mechanism is arranged in the machine body cavity, the detection mechanism comprises a detection box fixedly connected on the inner wall of the machine body shell, the invention utilizes the principle that water flow still can surge to the original speed direction under the action of inertia force when the machine body is in emergency stop, utilizes an ingenious mechanical structure to change the gravity mass distribution in the unmanned aerial vehicle body, thereby leading the unmanned aerial vehicle to be capable of rapidly keeping balance when in emergency stop, and the device also utilizes the characteristic that a sliding block continuously slides under the action of inertia force, timely detects the emergency stop state and gives out sound to prompt when the unmanned aerial vehicle is in emergency stop, thereby reminding an operator and a pedestrian that the unmanned aerial vehicle is in the emergency stop state, and has the characteristics of simple structure, low cost and the like, and the detection effect is sensitive, convenient and practical.

Description

Unmanned aerial vehicle scram detecting instrument

Technical Field

The invention relates to the technical field of balance detection, in particular to an unmanned aerial vehicle emergency stop detection instrument.

Background

An unmanned aircraft, referred to as "drone", is an unmanned aircraft that is operated by a radio remote control device and a self-contained program control device, or is operated autonomously, either completely or intermittently, by an onboard computer. Unmanned aerial vehicles tend to be more suitable for tasks that are too "fool, messy or dangerous" than manned aircraft, and the use of unmanned aerial vehicles is of paramount importance in both life and war. However, the unmanned aerial vehicle often needs emergency stop when flying, and this state is difficult to detect, and the emergency stop can also cause the unmanned aerial vehicle organism to be unbalanced, very easily takes place the phenomenon of falling, so need a device of solving above-mentioned problem.

Disclosure of Invention

The invention aims to provide an unmanned aerial vehicle emergency stop detection instrument, which is used for overcoming the defects in the prior art.

The unmanned aerial vehicle emergency stop detection instrument comprises a machine body shell, wherein a machine body cavity is arranged in the machine body shell, an emergency stop detection mechanism is arranged in the machine body cavity, the detection mechanism comprises a detection box fixedly connected to the inner wall of the machine body shell, a water storage cavity with four open sides is arranged in the detection box, a sliding plate which is in sliding connection with the detection box is arranged at the opening of the water storage cavity, a foam block which is positioned in the water storage cavity is arranged on the sliding plate, water flow with the water level reaching the foam block is arranged in the water storage cavity, buffer cavities which are vertically symmetrical with respect to the sliding plate are arranged in the detection box, blocking plates which extend into the buffer cavities and are in sliding connection with the detection box are arranged on the upper side and the lower side of the sliding plate, and buffer springs which are positioned in the buffer cavities and are fixedly connected with the detection box are arranged on the blocking plates, work as when engine body shell scram, the rivers of retaining intracavity just can be owing to the inertia effect direction of travel surge earlier, can with the foam block upwards promotes, and because the effect of barrier plate, rivers can not flow when turning, be equipped with balance mechanism in the detection case, balance mechanism connects including rotating first transmission shaft on the engine body shell inner wall, first transmission shaft with the detection case is four groups altogether for centre of a circle annular array distribution, still be equipped with alarm mechanism in the detection case, alarm mechanism includes be equipped with in the detection case and be located the detection chamber of retaining chamber upside.

According to the technical scheme, the first transmission shaft is provided with a disc located on the sliding plate and far away from the detection box, the sliding plate is provided with a fixed block located on the outer side of the detection box, a horizontal sliding groove with an opening and far away from the detection box is formed in the fixed block, the disc is provided with a rotating shaft located in the horizontal sliding groove and connected with the fixed block in a sliding mode, when the foam block slides upwards, the sliding plate can be driven to slide upwards, the fixed block is driven to slide upwards, the rotating shaft is located in the horizontal sliding groove and drives the rotating shaft to rotate with the first transmission shaft as the center, and the first transmission shaft rotates.

A further technical scheme, be equipped with the cam on the first transmission shaft, be equipped with in the engine body shell and be located the balanced chamber of engine body chamber downside, the cam downside be equipped with engine body shell sliding connection and one end extend to the contact plate of balanced intracavity, the contact plate with the cam butt, the contact plate has fixed connection and is in reset spring on the engine body shell inner wall, the contact plate downside is equipped with and is located balanced intracavity and with engine body shell inner wall sliding connection's backup pad, the backup pad has first slope slide, works as when first transmission shaft rotates, can drive the cam rotates, thereby promotes the contact plate lapse, reset spring compression can drive first slope slide is removed downwards.

A further technical scheme is that the lower side of the first inclined sliding plate is an inclined plane, a fixed station fixedly connected to the inner wall of the engine body shell is arranged in the balance cavity, a balance rod is connected to the fixed station in a sliding manner, weighting blocks distributed in an annular array mode and centered on the fixed station are arranged on the balance rod, a connecting rod is further arranged on the balance rod and located in the direction of the weighting blocks away from the fixed station, a second inclined sliding plate is arranged on the connecting rod and located on the lower side of the first inclined sliding plate and connected with the first inclined sliding plate in a sliding manner, the upper side of the second inclined sliding plate is an inclined plane opposite to the first inclined sliding plate, when the first inclined sliding plate moves downwards, due to the effect of the inclined planes on the first inclined sliding plate and the second inclined sliding plate, the second inclined sliding plate is pushed rightwards by the first inclined sliding plate, so that the balance rod can be driven to slide rightwards, the weight increasing block on the right side of the fixed table slides rightwards, the weight on the right side of the whole machine body is increased, the influence of inertia generated by sudden stop can be counteracted, and the machine body is kept balanced.

A further technical scheme, it is about to detect the chamber four groups altogether to fix a station central symmetry, it has the sliding block to detect intracavity sliding connection, be equipped with on the sliding block with detection case sliding connection and one side extend to detect the slide bar in the chamber outside, be equipped with the rack on the slide bar, be equipped with on the sliding block with detection case inner wall fixed connection's reset torsion spring, rotate on the engine body shell inner wall and be connected about the second transmission shaft of detection case central symmetry, be equipped with on the second transmission shaft with the gear that rack toothing is connected works as when the sliding block slides left, can drive the slide bar slides left, according to gear engagement transmission principle, can drive the gear revolve, thereby drives the second transmission shaft rotates.

In a further technical scheme, a third transmission shaft in transmission connection with the second transmission shaft is rotatably connected on the inner wall of the machine body shell, a cylinder is arranged at the lower side of the third transmission shaft, a spiral chute is arranged on the cylinder, a support rod is fixedly connected on the inner wall of the machine body shell, the support rod is connected with a sliding pin which is positioned in the spiral chute and is connected with the cylinder in a sliding way, the sliding pin is provided with a knocking hammer, the inner wall of the machine body shell is provided with an alarm bell which is symmetrical about the cylinder, when the second transmission shaft rotates, the second transmission shaft is connected through a belt transmission principle, the third transmission shaft can be driven to rotate, so that the cylinder is driven to rotate, the sliding pin can be driven to slide up and down, and the alarm bell can be knocked by the knocking hammer, so that a sound is produced to remind pedestrians and operators of sudden stop of the machine body.

The invention has the beneficial effects that: the invention utilizes the principle that the water flow still can be surged to the original speed direction by the effect of the inertia force when the unmanned aerial vehicle is in emergency stop, and utilizes the ingenious mechanical structure to change the gravity mass distribution in the unmanned aerial vehicle body, thereby leading the unmanned aerial vehicle to be still capable of rapidly keeping balance when in emergency stop.

Drawings

FIG. 1 is a schematic external view of the present invention;

FIG. 2 is a schematic diagram of the overall structure of an unmanned aerial vehicle emergency stop detection instrument according to the present invention;

FIG. 3 is a schematic view of A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is an enlarged partial schematic view of B of FIG. 2 in accordance with the present invention;

FIG. 5 is a schematic view of C-C of FIG. 2 in accordance with the present invention;

FIG. 6 is a schematic view of D-D of FIG. 2 in accordance with the present invention.

Detailed Description

For purposes of making the objects and advantages of the present invention more apparent, the following detailed description of the present invention is provided in conjunction with the following embodiments, it should be understood that the following text is only used to describe one kind of the unmanned aerial vehicle emergency stop detection apparatus or several specific embodiments of the present invention, and does not strictly limit the scope of the protection specifically claimed in the present invention, as used herein, the terms up, down, left and right are not limited to their strict geometric definitions, but include tolerances for machining or human error rationality and inconsistency, and the following detailed description of specific features of the unmanned aerial vehicle emergency stop detection apparatus:

referring to fig. 1-6, an unmanned aerial vehicle emergency stop detection apparatus according to an embodiment of the present invention includes a body housing 11, a body cavity 12 is disposed in the body housing 11, an emergency stop detection mechanism is disposed in the body cavity 12, the detection mechanism includes a detection box 13 fixedly connected to an inner wall of the body housing 11, a water storage cavity 14 with four open sides is disposed in the detection box 13, a sliding plate 15 slidably connected to the detection box 13 is disposed at an opening of the water storage cavity 14, a foam block 16 located in the water storage cavity 14 is disposed on the sliding plate 15, water flow with a water level reaching the foam block 16 is disposed in the water storage cavity 14, buffer cavities 18 vertically symmetrical with respect to the sliding plate 15 are disposed in the detection box 13, blocking plates 17 extending into the buffer cavities 18 and slidably connected to the detection box 13 are disposed on upper and lower sides of the sliding plate 15, be equipped with on the baffle 17 be located in the cushion chamber 18 and with detection case 13 fixed connection's buffer spring 19, work as when organism shell 11 scrams, rivers in the retaining chamber 14 just can be owing to the inertia effect surge towards the direction of travel before, can with foam block 16 promotes upwards, and because baffle 17's effect, rivers can not flow outward when stirring, be equipped with balance mechanism in the detection case 13, balance mechanism is including rotating the connection first transmission shaft 22 on the organism shell 11 inner wall, first transmission shaft 22 with detection case 13 is four groups altogether for centre of a circle annular array distribution, still be equipped with alarm mechanism in the detection case 13, alarm mechanism includes be equipped with in the detection case 13 and be located the detection chamber 36 of retaining chamber 14 upside.

Advantageously or exemplarily, a disc 23 is disposed on the first transmission shaft 22 and located in a direction away from the detection box 13 of the sliding plate 15, a fixed block 20 is disposed on the sliding plate 15 and located outside the detection box 13, a horizontal sliding slot 21 with an opening away from the detection box 13 is disposed in the fixed block 20, and a rotating shaft 24 is disposed on the disc 23 and located in the horizontal sliding slot 21 and slidably connected to the fixed block 20, so that when the foam block 16 slides upwards, the sliding plate 15 is driven to slide upwards, and the fixed block 20 is driven to slide upwards, and the rotating shaft 24 slides in the horizontal sliding slot 21, so as to drive the rotating shaft 24 to rotate around the first transmission shaft 22, that is, the first transmission shaft 22 rotates.

Advantageously or exemplarily, the first transmission shaft 22 is provided with a cam 25, the body housing 11 is provided with a balance cavity 28 at the lower side of the body cavity 12, the lower side of the cam 25 is provided with a contact plate 26 which is connected with the machine body shell 11 in a sliding way and one end of which extends into the balance cavity 28, the contact plate 26 is abutted against the cam 25, a return spring 27 fixedly connected to the inner wall of the machine body shell 11 is arranged below the contact plate 26, a supporting plate 33 which is positioned in the balance cavity 28 and is in sliding connection with the inner wall of the machine body shell 11 is arranged at the lower side of the contact plate 26, a first inclined slide plate 34 is provided under the support plate 33, and when the first transmission shaft 22 rotates, the cam 25 is rotated to push the contact plate 26 to slide downwards, and the return spring 27 is compressed to drive the first inclined sliding plate 34 to move downwards.

Advantageously or exemplarily, the lower side of the first inclined sliding plate 34 is an inclined surface, a fixed platform 29 fixedly connected to the inner wall of the housing 11 is disposed in the balance cavity 28, a balance bar 30 is slidably connected to the fixed platform 29, weight increasing blocks 31 are disposed on the balance bar 30 and distributed in an annular array with the fixed platform 29 as a center, a connecting rod 32 is further disposed on the balance bar 30 and located in a direction away from the fixed platform 29 by the weight increasing blocks 31, a second inclined sliding plate 35 is disposed on the connecting rod 32 and located on the lower side of the first inclined sliding plate 34 and slidably connected to the first inclined sliding plate 34, the upper side of the second inclined sliding plate 35 is an inclined surface opposite to the first inclined sliding plate 34, and when the first inclined sliding plate 34 moves downward, due to the inclined surfaces of the first inclined sliding plate 34 and the second inclined sliding plate 35, the second inclined sliding plate 35 is pushed to the right by the first inclined sliding plate 34, the balance bar 30 can be driven to slide rightwards, the weight increasing block 31 on the right side of the fixed platform 29 slides rightwards, the weight on the right side of the whole machine body is increased, the influence of inertia generated by sudden stop can be counteracted, and the machine body is kept balanced.

Advantageously, or as an example, the detection chambers 36 are symmetrical with respect to the centre of the fixed table 29 for four groups, a sliding block 37 is connected in the detection cavity 36 in a sliding manner, a sliding rod 38 which is connected with the detection box 13 in a sliding manner and one side of which extends to the outer side of the detection cavity 36 is arranged on the sliding block 37, the sliding rod 38 is provided with a rack 39, the sliding block 37 is provided with a reset torsion spring 49 fixedly connected with the inner wall of the detection box 13, a second transmission shaft 40 which is centrosymmetric with respect to the detection box 13 is rotatably connected to the inner wall of the machine body shell 11, the second transmission shaft 40 is provided with a gear 41 engaged with the rack 39, and when the sliding block 37 slides leftwards, the sliding rod 38 can be driven to slide leftwards, and the gear 41 can be driven to rotate according to the gear engagement transmission principle, so as to drive the second transmission shaft 40 to rotate.

Beneficially or exemplarily, a third transmission shaft 42 in belt transmission connection with the second transmission shaft 40 is rotatably connected to the inner wall of the housing 11, a cylinder 43 is disposed at the lower side of the third transmission shaft 42, a spiral chute 44 is disposed on the cylinder 43, a support rod 45 is fixedly connected to the inner wall of the housing 11, a sliding pin 46 which is disposed in the spiral chute 44 and is slidably connected to the cylinder 43 is slidably connected to the support rod 45, a striking hammer 47 is disposed on the sliding pin 46, and alarm bells 48 which are symmetrical with respect to the cylinder 43 are disposed on the inner wall of the housing 11, when the second transmission shaft 40 rotates, the third transmission shaft 42 can be driven to rotate by the belt transmission connection principle, so as to drive the cylinder 43 to rotate, due to the screw transmission principle, the sliding pin 46 can be driven to slide up and down, so that the alarm bell 48 can be struck by the striking hammer 47, thereby making a sound to remind pedestrians and operators of the sudden stop of the body.

The invention relates to an unmanned aerial vehicle emergency stop detection instrument, which comprises the following working procedures:

when the machine body shell 11 is suddenly stopped, the water flow in the water storage cavity 14 will surge towards the previous driving direction due to inertia, taking the original speed to the left as an example, when the machine body shell 11 is suddenly stopped, the water flow in the water storage cavity 14 can push the foam block 16 on the left side upwards, and due to the action of the blocking plate 17, the water flow will not flow outwards when turning, when the foam block 16 slides upwards, the sliding plate 15 can be driven to slide upwards, so as to drive the fixing block 20 to slide upwards, the rotating shaft 24 slides in the horizontal sliding groove 21, so as to drive the rotating shaft 24 to rotate around the first transmission shaft 22, that is, the first transmission shaft 22 rotates, so as to drive the cam 25 to rotate, so as to push the contact plate 26 to slide downwards, and the return spring 27 compresses, so as to drive the first inclined sliding plate 34 to move downwards, when the first inclined sliding plate 34 moves downwards, due to the action of the inclined surfaces on the first inclined sliding plate 34 and the second inclined sliding plate 35, the second inclined sliding plate 35 is pushed to the right by the first inclined sliding plate 34, so that the balance bar 30 can be driven to slide to the right, the weight increasing block 31 positioned on the right side of the fixed platform 29 slides to the right, the weight on the right side of the whole machine body becomes larger, so that the influence of inertia generated by sudden stop can be counteracted, and the machine body keeps balance, meanwhile, when the machine body is in sudden stop, the sliding block 37 slides to the original speed direction due to the action of inertia, taking the left as an example, when the sliding block 37 slides to the left, the sliding bar 38 can be driven to slide to the left, according to the gear engagement transmission principle, the gear 41 can be driven to rotate, so that the second transmission shaft 40 is driven to rotate, by the belt transmission connection principle, the third transmission shaft 42 can be driven to rotate, so that the cylinder 43 is driven to rotate, the sliding pin 46 can be driven to slide up and down due to the screw thread transmission principle, the alarm bell 48 can be knocked by the knocking hammer 47, and then the alarm bell can sound to remind pedestrians and operators of sudden stop of the machine body.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims

1. The utility model provides an unmanned aerial vehicle scram detecting instrument, includes engine body shell, establish organic body chamber in the engine body shell, its characterized in that: the emergency stop detection device is characterized in that an emergency stop detection mechanism is arranged in the machine body cavity, the detection mechanism comprises a detection box fixedly connected to the inner wall of the machine body shell, a water storage cavity with openings on four sides is arranged in the detection box, a sliding plate which is in sliding connection with the detection box is arranged at the opening of the water storage cavity, a foam block which is positioned in the water storage cavity is arranged on the sliding plate, water flow with the water level reaching the foam block is arranged in the water storage cavity, buffer cavities which are vertically symmetrical relative to the sliding plate are arranged in the detection box, blocking plates which extend into the buffer cavities and are in sliding connection with the detection box are arranged on the upper and lower sides of the sliding plate, buffer springs which are positioned in the buffer cavities and are fixedly connected with the detection box are arranged on the blocking plates, a balance mechanism is arranged in the detection box, the first transmission shaft is distributed in four groups in an annular array mode with the detection box as a circle center, an alarm mechanism is further arranged in the detection box, and the alarm mechanism comprises a detection cavity which is arranged on the upper side of the water storage cavity and is arranged in the detection box.

2. The unmanned aerial vehicle scram detecting instrument of claim 1, wherein: the first transmission shaft is provided with a disc located in the direction of the sliding plate far away from the detection box, the sliding plate is provided with a fixed block located on the outer side of the detection box, a horizontal sliding groove with an opening far away from the direction of the detection box is arranged in the fixed block, and the disc is provided with a rotating shaft located in the horizontal sliding groove and connected with the fixed block in a sliding mode.

3. The unmanned aerial vehicle scram detecting instrument of claim 2, wherein: be equipped with the cam on the first transmission shaft, be equipped with in the engine body shell and be located the balanced chamber of engine body chamber downside, the cam downside be equipped with engine body shell sliding connection and one end extend to the contact plate in the balanced intracavity, the contact plate with the cam butt, the contact plate has fixed connection and is in reset spring on the engine body shell inner wall, the contact plate downside is equipped with and is located balanced intracavity and with engine body shell inner wall sliding connection's backup pad, the backup pad has first slope slide.

4. The unmanned aerial vehicle scram detecting instrument of claim 3, wherein: first slope slide downside is the inclined plane, be equipped with fixed connection in the balanced cavity the fixed station on the engine body shell inner wall, sliding connection has the balancing pole on the fixed station, be equipped with on the balancing pole with the fixed station is central, and the weight increase piece that the annular array distributes, still be equipped with on the balancing pole and be located increase the weight and keep away from the connecting rod of fixed station direction, be equipped with on the connecting rod and be located first slope slide downside and with first slope slide sliding connection's second slope slide, second slope slide upside be with the opposite inclined plane of first slope slide.

5. The unmanned aerial vehicle scram detecting instrument of claim 4, wherein: detect the chamber about four groups altogether of fixed station central symmetry, it has the sliding block to detect intracavity sliding connection, be equipped with on the sliding block with detection case sliding connection and one side extend to detect the slide bar in the chamber outside, be equipped with the rack on the slide bar, be equipped with on the sliding block with detection case inner wall fixed connection's reset torsion spring, rotate on the engine body shell inner wall and be connected about the second transmission shaft of detection case central symmetry, be equipped with on the second transmission shaft with the gear that rack toothing connects, work as when the sliding block slides left, can drive the slide bar slides left, according to gear engagement transmission principle, can drive gear revolve, thereby drive the second transmission shaft rotates.

6. The unmanned aerial vehicle scram detecting instrument of claim 5, wherein: the machine body shell is characterized in that a third transmission shaft in transmission connection with the second transmission shaft is rotatably connected to the inner wall of the machine body shell, a cylinder is arranged on the lower side of the third transmission shaft, a spiral chute is formed in the cylinder, a supporting rod is fixedly connected to the inner wall of the machine body shell, a sliding pin which is located in the spiral chute and is in sliding connection with the cylinder is slidably connected to the supporting rod, a knocking hammer is arranged on the sliding pin, and alarm bells which are symmetrical to the cylinder are arranged on the inner wall of the machine body shell.