CN218787889U - Acoustic imaging apparatus - Google Patents

Abstract

The utility model provides an acoustic imaging equipment relates to detection device technical field. This acoustic imaging equipment includes casing, main control board, microphone array and camera, the main control board the microphone array reaches the camera all install in the casing, the microphone array with the camera respectively with main control board communication connection, wherein, the microphone array with the camera sets up in groups, the casing has a plurality of mounting panels that meet in order along circumference, corresponds each mounting panel and sets up a set of the microphone array with the camera. The utility model provides an acoustic imaging equipment, casing have a plurality of mounting panels that meet in order along circumference, correspond each mounting panel and are equipped with a set of microphone array and camera to once survey and can accomplish the collection of sound wave and visible light image around, improve detection efficiency.

Description

Acoustic imaging apparatus

Technical Field

The utility model relates to a detection device technical field especially relates to an acoustic imaging equipment.

Background

Compressed air is a common energy source in the production and manufacturing industry, but leakage of compressed air often occurs due to undiscovered leakage points or low efficiency of flaw detection equipment, so that great energy waste and enterprise economic loss are caused. In noisy environments, it is difficult to detect a compressed gas leak by human ear or touch alone. Therefore, acoustic wave imaging apparatuses have come into play. With the help of the acoustic wave imaging equipment, the professional can carry out preventive maintenance more frequently, and the electric/mechanical fault that the early warning is about to take place avoids the energy loss, stops the shutdown trouble of key system.

The existing sound wave imaging equipment needs to be aligned to the sounding direction when in use, namely, a user needs to make prejudgment on the sounding area or manually pre-collect the sounding area before use. Under the operating mode of multiple sound sources, acoustic imaging equipment needs to be used for collecting multiple times or multiple devices need to be used for cooperative work, so that the use of a user is inconvenient, the working efficiency is low, and the user experience is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides an acoustic imaging equipment for acoustic imaging equipment collection inefficiency uses inconvenient defect among the solution prior art.

The utility model provides an acoustic imaging equipment, including casing, main control board, microphone array and camera, the main control board the microphone array reaches the camera all install in the casing, the microphone array with the camera respectively with main control board communication connection, wherein, the microphone array with the camera sets up in groups, the casing has a plurality of mounting panels that meet in order along circumference, and it is a set of to correspond each mounting panel setting the microphone array with the camera.

According to the utility model provides a pair of acoustic imaging device, the casing is hexagonal prism form.

According to the utility model provides a pair of acoustic imaging equipment still includes the microphone backplate, the microphone array clamp is established microphone backplate and correspondence between the mounting panel.

According to the utility model provides a pair of acoustic imaging equipment still includes waterproof sound-transmitting membrane, waterproof sound-transmitting membrane sets up microphone array with correspond between the mounting panel.

According to the utility model provides a pair of acoustic imaging equipment still includes communication antenna, communication antenna is fixed in the casing and with main control board communication connection.

According to the utility model provides a pair of acoustic imaging equipment, the casing includes main part, first lid and second lid, and is a plurality of the mounting panel meets in order and forms the main part, first lid and second lid are fixed respectively the relative both ends of main part are in order to form sealed installation cavity.

According to the utility model provides a pair of acoustic imaging equipment, be equipped with the support hole on the second lid and prevent the rotation hole.

According to the utility model provides a pair of acoustics imaging device, each the center of mounting panel is equipped with the light trap, corresponds the light trap sets up one the camera.

According to the utility model provides a pair of acoustic imaging equipment, the fixed transparent glass of printing opacity hole department bonding.

According to the utility model provides a pair of acoustic imaging equipment, the casing is equipped with a plurality of heat dissipation muscle.

The utility model provides an acoustic imaging equipment, casing have a plurality of mounting panels that meet in order along circumference, correspond each mounting panel and are equipped with a set of microphone array and camera to once survey and can accomplish the collection of sound wave and visible light image around, improve detection efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an acoustic imaging apparatus provided by the present invention;

fig. 2 is an exploded view of an acoustic imaging apparatus provided by the present invention;

fig. 3 is a schematic structural diagram of the second cover body according to the present invention.

Reference numerals:

10. a housing; 101. a sound pickup hole; 102. a light-transmitting hole; 11. a main body; 12. a first cover body; 13. a second cover body; 14. a bracket hole; 15. an anti-rotation hole; 16. a power interface; 30. a microphone array; 31. a microphone backplate; 32. a waterproof sound-transmitting membrane; 40. a camera; 50. a communication antenna.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The features of the terms first and second in the description and in the claims of the present invention may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/", and generally means that the former and latter related objects are in an "or" relationship.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The acoustic imaging apparatus of the present invention is described below with reference to fig. 1 to 3.

The embodiment of the utility model provides an acoustic imaging device, as shown in fig. 1 and fig. 2, it includes casing 10, main control board, microphone array 30 and camera 40, and main control board, microphone array 30 and camera 40 all install in casing 10. The camera 40 and the microphone array 30 are respectively in communication connection with the main control board. The microphone array 30 and the camera 40 are arranged in a group, the housing 10 has a plurality of mounting plates connected in sequence along the circumferential direction, and a group of microphone array 30 and a group of camera 40 are arranged corresponding to each mounting plate.

The microphone array 30 and the camera 40 are arranged in a group. Wherein the microphone arrays 30 in each set may be the same or different. The number of cameras 40 in each group may be one or more. The microphone array 30 is a microphone array 30 plate on which a plurality of microphones are disposed to collect sound wave information of the surrounding environment.

Preferably, the number of the mounting plates is not less than three, and each camera 40 is fixed on the housing 10, so that at least three visible light images in different directions can be shot, and a panoramic image can be formed by splicing. Of course, the number of the cameras 40 may also be two, and the two cameras 40 are disposed opposite to each other, and due to the limitation of the viewing angle range of the cameras 40, the cameras 40 may be rotatably mounted on the housing 10 to obtain the completed panoramic image. When the image of one side of the shell 10 is collected, the camera 40 rotates, so that the panoramic image of the circumference of the shell 10 can be obtained by the cameras 40 correspondingly arranged on the two mounting plates.

It will be appreciated that as shown in fig. 1, each mounting plate is provided with a sound pickup hole 101, and the sound pickup hole 101 is disposed corresponding to the microphones of the microphone array 30. The arrangement of the sound pickup holes 101 is determined according to the software algorithm requirement, and the sound pickup requirement of audio is met.

The casing 10 is provided with a plurality of mounting plates connected in series in the circumferential direction, and the microphone array 30 and the camera 40 are provided for each mounting plate, whereby sound waves in the circumferential range can be acquired by the microphone array 30 provided for each mounting plate, and visible light images in various directions can be acquired by the camera 40 provided for each mounting plate. Each microphone array 30 and each camera 40 are in communication connection with a main control board, the main control board splices visible light images in all directions into a panoramic image, and sound wave information picked up by the microphone arrays 30 is superposed.

The embodiment of the utility model provides an acoustic imaging equipment, casing 10 have a plurality of mounting panels that meet in order along circumference, correspond each mounting panel and are equipped with a set of microphone array 30 and camera 40 to once survey and can accomplish the collection of sound wave and visible light image on every side, improve detection efficiency.

In one embodiment of the present invention, as shown in fig. 1, the housing 10 is hexagonal prism shaped.

As shown in fig. 1 and 2, the housing 10 has six mounting plates in the circumferential direction, and correspondingly, there are six microphone arrays 30 and six cameras 40, and each mounting plate is provided with one microphone array 30 and one camera 40. Specifically, the cameras 40 are respectively disposed at the centers of the mounting plates, and the microphone arrays 30 are fixed to the mounting plates.

Wherein, the mounting plate is provided with a mounting column, and the microphone array 30 is fixed on the mounting column by screws. Specifically, the microphone array 30 is provided at four corners thereof with screw holes, the mounting plate is provided with boss columns as mounting columns, and screws are passed through the screw holes to be engaged with the corresponding boss columns, thereby fixing the microphone array 30 and the housing 10.

The main control board is disposed on the bottom surface of the casing 10, and each microphone array 30 is in communication connection with the main control board, so that the main control board obtains sound wave information collected by each microphone array 30. Each camera 40 is in communication connection with the main control board through the flexible circuit board, so that the visible light images shot by the cameras 40 are transmitted to the main control board.

In a specific embodiment of the present invention, the acoustic imaging apparatus further includes a microphone backplate 31. The microphone array 30 is sandwiched between a microphone backplate 31 and a corresponding mounting plate.

The shape of the microphone backplate 31 substantially conforms to the shape of the mounting plate. The microphone array 30 has a first positioning hole at a corner thereof, and the microphone backplate 31 has a second positioning hole thereon. The second positioning holes correspond to the first positioning holes one by one. The mounting plate is provided with positioning columns, and during assembly, the microphone array 30 and the microphone backplate 31 are sequentially arranged inside the housing 10 from outside to inside and are sleeved on the corresponding positioning columns through the first positioning holes and the second positioning holes, so that the positions of the microphone array 30 and the microphone backplate 31 are positioned.

Specifically, the mounting plate is provided with mounting columns, the corners of the microphone array 30 are provided with first mounting holes, the corners of the microphone rear baffle 31 are provided with second mounting holes, and the first mounting holes, the second mounting holes and the mounting columns are arranged in a one-to-one correspondence manner. After the microphone array 30 and the microphone rear baffle 31 are positioned in the shell 10, the screws sequentially penetrate through the second mounting hole and the first mounting hole to be connected with the mounting column, so that the microphone on the microphone array 30 corresponds to the sound pickup hole 101 on the mounting plate while fixation is achieved, accurate sound pickup is achieved, and using requirements of different scenes are met.

On the basis of the above-described embodiment, the acoustic imaging apparatus further includes the waterproof sound-transmitting membrane 32, and the waterproof sound-transmitting membrane 32 is disposed between the microphone array 30 and the corresponding mounting plate.

Specifically, the waterproof sound-transmitting membrane 32 is capable of transmitting sound waves of a specific wavelength band range. A waterproof sound-transmitting membrane 32 is attached along the inner wall of the mounting plate. The waterproof sound-transmitting membrane 32 is provided with a hole in the middle for the camera 40 to pass through. The shape of the waterproof sound-transmitting membrane 32 substantially conforms to the outer shape of the mounting plate. The waterproof sound-transmitting membrane 32 is provided with a positioning hole which is sleeved on a positioning column arranged on the mounting plate. The waterproof sound-transmitting membrane 32, the microphone array 30, and the microphone backplate 31 are arranged in this order from the outside to the inside.

The embodiment of the utility model provides an acoustic imaging equipment through setting up waterproof sound-transmitting membrane 32, makes microphone array 30 have waterproof function, adapts to the work of patrolling and examining of outside open-air environment, satisfies the user demand of multiple complicated scene.

In a specific embodiment of the present invention, the acoustic imaging apparatus further includes a communication antenna 50, and the communication antenna 50 is fixed to the casing 10 and is in communication connection with the main control board.

As shown in fig. 1, an antenna interface is disposed at the top of the housing 10, and the communication antenna 50 is fixed at the antenna interface by plugging and connected to the main control board by a wire, so as to transmit an antenna signal.

The main control board transmits the processing result to an external device such as a computer or a mobile phone in real time by means of the communication antenna 50, so that the user can remotely view the detection result of the acoustic imaging device. Meanwhile, the communication antenna 50 can receive the shooting and video recording instructions remotely sent by the external equipment and store the detection results, so that a user can quickly, accurately and comprehensively find local discharge, pressure gas and vacuum leakage points, and the production safety coefficient is improved.

As shown in fig. 2, in an embodiment, the housing 10 includes a main body 11, a first cover 12 and a second cover 13, wherein a plurality of the mounting plates are sequentially connected to form the main body 11, and the first cover 12 and the second cover 13 are respectively fixed at two opposite ends of the main body 11 to form a sealed mounting cavity.

As shown in fig. 2, the main body 11 has a prism structure formed by six mounting plates connected in series. The main body 11 is integrally formed or is formed by connecting a plurality of separate mounting plates. The first cover 12 and the second cover 13 are disposed at the top and bottom of the main body 11, thereby forming a sealed mounting cavity in which the camera 40 and the microphone array 30 are disposed.

The first cover 12 is located on the top of the main body 11, and the communication antenna 50 is disposed on the first cover 12. A second cover 13 is located at the bottom of the body 11 for mounting the entire antenna on other structures.

In an embodiment of the present invention, as shown in fig. 3, a support hole 14 is formed on the second cover 13. In order to prevent the acoustic imaging apparatus from rotating horizontally relative to the platform, the second cover 13 is further provided with an anti-rotation hole 15.

The rotation preventing hole 15 is provided on the second cover body 13 and near the bracket hole 14. The quantity of preventing that rotates hole 15 can set up as required, the embodiment of the utility model provides a specifically limited quantity of preventing rotating hole 15 not.

When the acoustic imaging device is used, the acoustic imaging device is installed on a fixed or movable platform such as a robot and a wall through the installation bracket. For example, the top of the mounting bracket is provided with a protrusion clamped in the bracket hole 14, and the acoustic imaging device is mounted and fixed by the cooperation of the protrusion and the bracket hole 14.

In another embodiment of the present invention, the bottom of the second cover 13 is provided with a snap joint. Correspondingly, the mounting bracket is provided with a clamping hole matched with the clamping joint, so that the acoustic imaging equipment is convenient to mount.

As shown in fig. 3, the second cover 13 is further provided with a power supply interface 16 and a communication interface, the power supply interface 16 is electrically connected to the power supply module in the casing 10, and the communication interface is connected to the main control board.

Wherein, the communication interface is used for realizing the communication connection with the external device or facilitating the configuration of other functional elements.

In an embodiment of the present invention, as shown in fig. 1, a light hole 102 is provided at the center of each mounting plate, and a camera 40 is disposed corresponding to the light hole 102.

In the case where only one camera 40 is provided on the mounting plate, the placement of the camera 40 in the center of the mounting plate facilitates the superimposition of the acoustic information. Under the condition that the plurality of cameras 40 are arranged on the mounting plate, one camera 40 is arranged at the center of the mounting plate, other cameras 40 are arranged at the corners or other positions of the mounting plate, complete holographic images can be obtained by means of superposition of the cameras 40, and the image range can be expanded remarkably.

In order to avoid the contamination of the camera 40 and improve the sealing performance of the whole acoustic imaging device, transparent glass is bonded and fixed at the light transmission hole 102.

Specifically, the transparent glass is bonded at the light transmission hole 102 by a double-sided adhesive tape, and prevents dust and the like from adhering to the lens of the camera 40 while ensuring light transmission.

Specifically, the housing 10 is provided with a plurality of heat dissipation ribs.

Optionally, the bottom of the casing 10, i.e. the second cover 13, is provided with a plurality of heat dissipating ribs (not shown in the figure). The plurality of radiating ribs are distributed at equal intervals. The contact area between the heat dissipation ribs and the outside is increased, so that heat generated by the main control board is discharged quickly.

In addition, be equipped with the heat conduction unit in the casing 10, the heat conduction unit links to each other with the unit that generates heat on the main control board, and casing 10 adopts the heat conduction material to make, and the heat conduction unit still is connected with casing 10 simultaneously, and through the heat conduction unit, the unit that generates heat on the main control board is with heat transfer to casing 10 to derive from casing 10.

The embodiment of the utility model provides an acoustic imaging equipment, through the heat dissipation muscle increase heat radiating area who sets up on the casing 10, the heat that the main control board produced of effluvium fast makes the main control board steady operation.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The utility model provides an acoustic imaging equipment, its characterized in that, includes casing, main control board, microphone array and camera, the main control board the microphone array reaches the camera all install in the casing, the microphone array with the camera respectively with main control board communication connection, wherein, the microphone array with the camera sets up in groups, the casing has a plurality of mounting panels that meet in order along circumference, corresponds each mounting panel and sets up a set the microphone array with the camera.

2. The acoustic imaging apparatus of claim 1, wherein the housing is hexagonal prism shaped.

3. The acoustic imaging apparatus of claim 1, further comprising a microphone backplate, the microphone array being sandwiched between the microphone backplate and the corresponding mounting plate.

4. The acoustic imaging apparatus of claim 3, further comprising a waterproof sound-transmissive membrane disposed between the microphone array and the corresponding mounting plate.

5. The acoustic imaging apparatus of claim 1, further comprising a communication antenna secured to the housing and communicatively coupled to the master control board.

6. The acoustic imaging apparatus of claim 1, wherein the housing includes a main body, a first cover, and a second cover, the mounting plates being sequentially joined to form the main body, the first cover and the second cover being respectively secured to opposite ends of the main body to form a sealed mounting cavity.

7. The acoustic imaging apparatus of claim 6, wherein the second cover is provided with a bracket hole and an anti-rotation hole.

8. The acoustic imaging apparatus of claim 1, wherein each of the mounting plates has a light hole at a center thereof, and the camera is disposed corresponding to the light hole.

9. The acoustic imaging apparatus of claim 8, wherein a transparent glass is adhesively secured at the light-transmissive hole.

10. The acoustic imaging apparatus of claim 1, wherein the housing is provided with a plurality of heat dissipating ribs.

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