CN218584189U

CN218584189U - Unmanned aerial vehicle machine carries acoustic imaging locater

Info

Publication number: CN218584189U
Application number: CN202223187362.5U
Authority: CN
Inventors: 邓敏; 周荣兴; 贺鹏; 苏勇杰; 田阳普; 毛恒
Original assignee: Red Phase Inc
Current assignee: Red Phase Inc
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-07
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses an airborne acoustic imaging locator of an unmanned aerial vehicle, which relates to the field of electric power detection equipment and comprises a machine body, wherein the outer side wall of the machine body is provided with a cloud deck connected with the unmanned aerial vehicle; a microphone matrix is arranged in the machine body, and a microphone cover plate with a sound pickup hole is arranged on the front end face of the machine body; the front end of the microphone cover plate is provided with a sound insulation cover which is in a horn-shaped structure. The utility model discloses well horn-shaped structural design's sound-proof cover not only can effectively keep apart unmanned aerial vehicle's noise, can make the noise steadilyd decrease along the lateral wall outdiffusion of sound-proof cover moreover, prevents unmanned aerial vehicle's noise transmission to microphone matrix department from this, has reduced unmanned aerial vehicle's noise influence effectively, has improved the interference killing feature of acoustic imaging locater with showing.

Description

Airborne acoustic imaging positioning instrument of unmanned aerial vehicle

Technical Field

The utility model relates to an electric power check out test set field, in particular to unmanned aerial vehicle machine carries acoustic imaging locater.

Background

The acoustic imaging locator is a novel noise source identification location and test analysis instrument, utilize high sensitivity digital microphone, the sound that will gather presents on the screen with the mode visualization of colored contour map, measure the sound field distribution effectively, the sound image is perfect with the video image perfect superposition of visible light, form the detection effect similar to thermal image appearance to the object temperature, can be to the steady state, transient state and motion sound source carry out quick identification location, help people discernment sound wave directly perceivedly, sound field and sound source, know the position and the reason that machine equipment produced the noise, and then look for and administer the noise, the way of control noise.

When being applied to the power equipment of high voltage transmission line and patrolling and examining, prior art adopts the artifical mode of patrolling and examining usually, carries the acoustic imaging locater through the manual work to detect along the scope that high voltage transmission line passed through. The manual inspection mode is time-consuming and labor-consuming, and the detection efficiency and accuracy are difficult to guarantee.

Along with the development of unmanned aerial vehicle technique and the widening of application to unmanned aerial vehicle is as carrying platform, carries on the technique of route inspection on unmanned aerial vehicle with acoustic imaging locater and also takes place. However, unmanned aerial vehicle can produce very big noise at flight in-process self, and this can cause very big interference to the testing process of acoustic imaging locater for the accuracy of testing result can't guarantee. Therefore, if the acoustic imaging position finder is better suitable for the unmanned aerial vehicle inspection operation, the self structure of the acoustic imaging position finder needs to be optimized and improved.

Disclosure of Invention

The utility model provides an unmanned aerial vehicle machine carries acoustic imaging locater, the problem that its main aim at exists solves prior art.

The utility model adopts the following technical scheme:

an unmanned aerial vehicle airborne acoustic imaging positioning instrument comprises an instrument body, wherein a holder connected to an unmanned aerial vehicle is arranged on the outer side wall of the instrument body; a microphone matrix is arranged in the machine body, and a microphone cover plate with a sound pick-up hole is arranged on the front end face of the machine body; the front end of the microphone cover plate is provided with a sound insulation cover which is of a horn-shaped structure.

Furthermore, the sound insulation cover comprises an outer cover body and an inner cover body, the outer cover body is sleeved outside the inner cover body, and a hollow sound insulation cavity is arranged between the outer cover body and the inner cover body

Furthermore, the outer cover body and the microphone cover plate are of an integrally formed structure, and the inner cover body is connected to the microphone cover plate through a bolt.

And furthermore, the front end of the inner cover body is provided with a circle of flanging, and the front end of the outer cover body is provided with a plurality of supporting blocks which are propped against the flanging.

Furthermore, a plurality of positioning blind holes are formed in the back face of the flanging, and the supporting block is provided with positioning columns matched with the positioning blind holes.

Further, still include the camera, the camera set up in microphone apron middle part.

Furthermore, the cradle head is provided with a V-shaped connecting arm 21274and the connecting arm is pivoted with two side walls of the machine body.

Further, a boss is arranged at the mounting position of the connecting arm of the machine body.

Compared with the prior art, the utility model discloses the beneficial effect who produces lies in:

the utility model discloses well horn-shaped structural design's sound-proof cover not only can effectively keep apart unmanned aerial vehicle's noise, can make the noise steadilyd decrease along the lateral wall outdiffusion of sound-proof cover moreover, prevents unmanned aerial vehicle's noise transmission to microphone matrix department from this, has reduced unmanned aerial vehicle's noise influence effectively, has improved the interference killing feature of acoustic imaging locater with showing. In addition, the sound insulation cover with the horn-shaped structure design can also ensure that sound wave signals to be collected can be inwards gathered at the microphone matrix, so that the detection precision of the acoustic imaging position finder is improved.

Drawings

Fig. 1 is a schematic front structural view of the present invention.

Fig. 2 is a schematic diagram of the back structure of the present invention.

Fig. 3 is an exploded view of the septum acoustic cover of the present invention.

Fig. 4 is a second exploded view of the septum cap of the present invention.

Fig. 5 is an exploded view of the heat sink and the middle body of the present invention.

In the figure: 1. a body; 11. a microphone cover plate; 110. a sound pickup hole; 12. a heat dissipation plate; 121. heat dissipation ribs; 13. an open slot; 131. a step surface; 14. a boss; 2. a sound insulating cover; 21. an outer cover body; 211. a support block; 212. a positioning column; 22. an inner cover body; 221. a bolt; 222. flanging; 223. positioning the blind hole; 3. a holder; 31. a connecting arm; 4. a camera is provided.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings. Numerous details are set forth below to provide a thorough understanding of the present invention, but it will be apparent to those skilled in the art that the present invention may be practiced without these details.

As shown in fig. 1 to 4, an airborne acoustic imaging positioner of an unmanned aerial vehicle comprises a body 1, wherein a holder 3 connected to the unmanned aerial vehicle is arranged on the outer side wall of the body 1; a microphone matrix (not shown) is arranged in the machine body 1, and a microphone cover plate 11 with a sound pickup hole 110 is arranged on the front end face of the machine body 1; the front end of the microphone cover plate 11 is provided with a sound insulation cover 2, and the sound insulation cover 2 is in a horn-shaped structure. The utility model discloses well horn-shaped structural design's sound proof housing 2 not only can effectively keep apart unmanned aerial vehicle's noise, can make the noise steadilyd decrease along the lateral wall outdiffusion of sound proof housing 2 in addition, prevent unmanned aerial vehicle's noise transmission to microphone matrix department from this, reduced unmanned aerial vehicle's noise influence effectively, show the interference killing feature that has improved acoustic imaging locater. In addition, the sound insulation cover 2 with the horn-shaped structure design can also ensure that sound wave signals to be collected can be inwards gathered at the microphone matrix, so that the detection precision of the acoustic imaging position finder is improved.

As shown in fig. 3 and 4, the sound-insulating cover 2 includes an outer cover 21 and an inner cover 22, the outer cover 21 is disposed outside the inner cover 22, and a hollow sound-insulating cavity is formed between the outer cover 21 and the inner cover 22. Hollow sound insulation chamber can effectively absorb noise to further improve the sound-proof ability of sound insulation cover 2, prevent unmanned aerial vehicle's noise transmission to microphone matrix department.

As shown in fig. 3 and 4, as a preferred embodiment: the outer cover 21 and the microphone cover 11 are integrally formed, and the inner cover 22 is connected to the microphone cover 11 by bolts 221. In order to improve the sealing effect of the sound-insulating cover 2, a ring of flanges 222 is provided at the front end of the inner cover 22, and a plurality of supporting blocks 211 supported against the flanges 222 are provided at the front end of the outer cover 21. In order to make the connection between the inner cover 22 and the outer cover 21 more secure, in this embodiment, a plurality of positioning blind holes 223 are disposed on the back of the flange 222, and positioning pillars 212 adapted to the positioning blind holes 223 are disposed on each supporting block 211.

As shown in fig. 2 and 5, a heat sink 12 is detachably disposed on the rear end surface of the machine body 1, and a plurality of protruding heat sink ribs 121 are disposed on the outer surface of the heat sink 12. The utility model discloses a heating panel is as main heat dissipation part to set up bellied heat dissipation rib 121 and increase the area of contact of heating panel 12 with the air, thereby improve the radiating effect. Compare open louvre structure among the prior art, the utility model discloses the sealed heat-radiating plate structure that adopts can play waterproof and dirt-proof effect for the acoustic formation of image locater can be applicable to in the unmanned aerial vehicle operation of patrolling and examining better.

As shown in fig. 2 and 5, an opening groove 13 is formed in a rear end surface of the housing 1, a ring of step surface 131 is formed at an edge of the opening groove 13, and the heat dissipation plate 12 is mounted on the step surface 131 by bolts. By the design, the heat dissipation plate 12 can be embedded into the machine body 1, so that the whole structure is more compact, and more importantly, the sealing performance between the heat dissipation plate 12 and the machine body 1 can be improved. In practical application, if necessary, a sealing component such as a sealing ring or a sealing rubber strip can be arranged at the opening groove 13.

As shown in fig. 2 and 5, the heat dissipation plate 12 in this embodiment is preferably an aluminum plate having a good heat dissipation effect. In order to increase the contact area between the heat dissipation plate 12 and the air more sufficiently, it is necessary to arrange as many heat dissipation ribs 121 as possible on the heat dissipation plate 12 in principle, so the embodiment adopts a longitudinal arrangement mode, that is, a plurality of heat dissipation ribs 121 are arranged at intervals along the length direction of the heat dissipation plate 12, and each heat dissipation rib 121 extends along the width direction of the heat dissipation plate 12.

As shown in fig. 1, the acoustic imaging locator further includes a camera 4, and in this embodiment, the camera 4 is disposed in the middle of the microphone cover plate 11. It can be seen that the arrangement of the sound insulation cover 2 can also effectively protect the camera 4, and can also play a dustproof and waterproof effect on the microphone matrix and the camera 4.

As shown in fig. 1 and 2, the acoustic imaging locator further includes a processor (not shown) and a power supply module (not shown) disposed in the body. The treater and microphone matrix, camera 4 and power module interconnect can handle the information that microphone matrix and camera 4 gathered to transmit to unmanned aerial vehicle through cloud platform 3, finally transmit to staff's remote controller by unmanned aerial vehicle's data transmission system on.

As shown in fig. 1, 2 and 5, the cradle head 3 has a v-shaped 21274, and connecting arms 31, and the connecting arms 31 are pivotally connected to two side walls of the body 1. The connecting arm 31 is internally provided with a motor for driving the connecting arm to rotate, so that the detection angle of the acoustic imaging position indicator can be adjusted by controlling the motor to work, and the operation is simple and convenient.

As shown in fig. 1, 2 and 5, the body 1 is provided with a boss 14 at the installation position of the connecting arm 31, and the boss 14 can play a role of local structure reinforcement, so as to ensure that the connection between the body 1 and the pan/tilt head 3 is firmer and more reliable.

The aforesaid is only the embodiment of the present invention, but the design concept of the present invention is not limited to this, and it is right to utilize this concept the present invention to perform insubstantial modification, and all belong to infringement the protection scope of the present invention.

Claims

1. The utility model provides an unmanned aerial vehicle machine carries acoustic imaging locater, includes the organism, characterized in that: the outer side wall of the machine body is provided with a cloud deck connected to the unmanned aerial vehicle; a microphone matrix is arranged in the machine body, and a microphone cover plate with a sound pickup hole is arranged on the front end face of the machine body; the front end of the microphone cover plate is provided with a sound insulation cover which is in a horn-shaped structure.

2. The unmanned aerial vehicle airborne acoustic imaging locater of claim 1, wherein: the sound insulation cover comprises an outer cover body and an inner cover body, the outer cover body is sleeved outside the inner cover body, and a hollow sound insulation cavity is arranged between the outer cover body and the inner cover body.

3. The unmanned aerial vehicle airborne acoustic imaging locater of claim 2, wherein: the outer cover body and the microphone cover plate are of an integrated structure, and the inner cover body is connected to the microphone cover plate through bolts.

4. The unmanned aerial vehicle airborne acoustic imaging locater of claim 3, wherein: the front end of the inner cover body is provided with a circle of flanging, and the front end of the outer cover body is provided with a plurality of supporting blocks which are propped against the flanging.

5. The unmanned aerial vehicle airborne acoustic imaging locater of claim 4, wherein: the back of the flanging is provided with a plurality of positioning blind holes, and the supporting block is provided with positioning columns matched with the positioning blind holes.

6. The unmanned aerial vehicle airborne acoustic imaging locater of claim 1, wherein: still include the camera, the camera set up in microphone apron middle part.

7. The unmanned aerial vehicle airborne acoustic imaging locator of claim 1, characterized in that: the holder is provided with a connecting arm in a shape of a v 21274, and the connecting arm is pivoted on two side walls of the machine body.

8. An unmanned aerial vehicle airborne acoustic imaging locator according to claim 7, characterized in that: a boss is arranged at the mounting position of the connecting arm of the machine body.