CN218787888U - Acoustic imaging apparatus - Google Patents

Abstract

The utility model provides an acoustic imaging equipment relates to acoustic imaging device technical field. The acoustic imaging apparatus includes: cloud platform frame, casing, microphone array and camera, cloud platform frame include first cloud platform and second cloud platform, and microphone array and camera are all installed in the casing, and the casing is around first direction rotatable mounting in first cloud platform, and first cloud platform is around second direction rotatable mounting in second cloud platform. The utility model provides an acoustic imaging equipment, the cloud platform frame includes first cloud platform and second cloud platform, the casing is rotatable to be installed in first cloud platform, first cloud platform is rotatable to be installed in the second cloud platform, the position adjustment of casing in the space is realized in the cooperation of first cloud platform and second cloud platform, need not to aim at the detection direction casing when using, place at will and accurately pick up the sound wave with the help of the adjustment of first cloud platform and second cloud platform, and just can gather the sound wave and the image of different positions in the space in a position, and the efficiency of collection is improved, in time troubleshooting.

Description

Acoustic imaging apparatus

Technical Field

The utility model relates to an acoustic imaging 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 the compressed air often occurs because of undiscovered leakage points or low efficiency of flaw detection equipment, and 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 to work. 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 multi-sound-source working condition, acoustic imaging equipment is required to be used for multiple times of acquisition or multiple devices are required to work cooperatively, 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 solve among the prior art acoustic imaging equipment need aim at the sound production direction, defect that work efficiency is low.

The utility model provides an acoustic imaging device, include: cloud platform frame, casing, microphone array and camera, cloud platform frame includes first cloud platform and second cloud platform, the microphone array with the camera all install in the casing, the casing around first direction rotatable install in first cloud platform, first cloud platform around second direction rotatable install in the second cloud platform.

According to the utility model provides a pair of acoustic imaging equipment, first cloud platform is including two installation departments of relative setting, the relative both sides of casing and two installation department one-to-one rotatable coupling.

According to the utility model provides a pair of acoustic imaging equipment, first cloud platform is the U type.

According to the utility model provides a pair of acoustics imaging device, one of them be equipped with first driving piece in the installation department, another be equipped with the bearing in the installation department, one side of casing with the output shaft drive of first driving piece is connected, the opposite side of casing passes through the bearing with correspond the installation department links to each other.

According to the utility model provides a pair of acoustics imaging equipment, be equipped with the second driving piece in the second cloud platform, the second driving piece with first cloud platform drive is connected.

According to the utility model provides a pair of acoustic imaging equipment, be equipped with the connection journal stirrup on the second cloud platform, be equipped with the connecting hole on the connection journal stirrup.

According to the utility model provides a pair of acoustic imaging equipment, still be equipped with positioning hole on connecting the journal stirrup.

According to the utility model provides a pair of acoustic imaging equipment still includes the control mainboard, the control mainboard sets up in the second cloud platform, the microphone array with the camera respectively with control mainboard communication connection.

According to the utility model provides a pair of acoustic imaging equipment, be provided with the antenna on the first cloud platform, the antenna is used for with external equipment communication connection.

According to the utility model provides a pair of acoustics imaging device, be equipped with power source on the second cloud platform, be equipped with power module in the second cloud platform, power module with the power source electricity is connected.

The utility model provides an acoustic imaging equipment, the cloud platform frame includes first cloud platform and second cloud platform, the casing is rotatable to be installed in first cloud platform, first cloud platform is rotatable to be installed in the second cloud platform, the position adjustment of casing in the space is realized in the cooperation of first cloud platform and second cloud platform, need not to aim at the detection direction casing when using, place at will and accurately pick up the sound wave with the help of the adjustment of first cloud platform and second cloud platform, and just can gather the sound wave and the image of different positions in the space in a position, and the efficiency of collection is improved, in time the troubleshooting.

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 one of schematic structural diagrams of an acoustic imaging apparatus provided by the present invention;

fig. 2 is a second schematic structural diagram of an acoustic imaging apparatus provided by the present invention;

fig. 3 is an exploded view of an acoustic imaging apparatus provided by the present invention.

Reference numerals:

10. a cloud stand; 11. a first pan/tilt head; 111. an installation part; 112. closing the plate; 113. an upper shell; 114. a lower case; 12. a second pan-tilt; 121. a box body; 122. a cover plate; 123. connecting the support lug; 124. a power interface; 13. a first driving member; 14. a bearing; 15. a second driving member; 20. a housing; 21. a front housing; 22. a rear housing; 23. a light-transmitting hole; 30. a microphone array; 31. an acoustically transparent membrane; 32. soaking cotton; 33. an array plate; 34. a baffle plate; 40. a camera; 50. A control main board; 60. an 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 "/" generally means that a preceding and succeeding 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.

An embodiment of the present invention provides an acoustic imaging apparatus, as shown in fig. 1 to fig. 3, which includes a cloud platform 10, a housing 20, a microphone array 30, and a camera 40. The cloud stage 10 includes a first pan/tilt 11 and a second pan/tilt 12, and the microphone array 30 and the camera 40 are mounted on the housing 20. The housing 20 is rotatably mounted to the first cradle head 11 about a first direction, and the first cradle head 11 is rotatably mounted to the second cradle head 12 about a second direction.

Wherein the cloud gantry 10 is used to provide support and a rotatably mounted position. A microphone array 30 is mounted within the housing 20 for capturing sound waves in the external environment. Specifically, a mounting post is provided in the housing 20, and the microphone array 30 is fixed to the mounting post by a fastening member such as a screw. For example, a boss is provided at a corner of the housing 20, and the boss is disposed to avoid the sound pickup hole, thereby providing a mounting position of the fastener and facilitating positioning of the microphone array 30. The shell 20 is provided with the light trap 23 corresponding to the camera 40, and the camera 40 bonds and fixes in the shell 20, and the shooting end of camera 40 obtains outside image information through light trap 23.

In an alternative embodiment, as shown in fig. 1, the head frame 10 includes a first head 11 and a second head 12, the housing 20 is rotatably mounted on the first head 11, and the second head 12 is rotatably connected to the first head 11, so that the orientation of the housing 20 in the space can be adjusted by means of the first head 11 and the second head 12. In yet another alternative embodiment, the holder 10 includes a first cradle head 11, a second cradle head 12 and a third cradle head, the housing 20 is rotatably mounted on the first cradle head 11, the second cradle head 12 is rotatably connected with the first cradle head 11, and the third cradle head and the second cradle head 12 are rotatably connected, and the rotation directions of the three are different, so that the rotation of the housing 20 in all directions in the three-dimensional space can be realized.

In use, the housing 20 rotates relative to the first head 11 in a first direction, and the first head 11 is movable relative to the second head 12 in a second direction, thereby adjusting the orientation of the housing 20. For example, the first direction is along the horizontal direction, and the housing 20 is vertically moved by the rotation connection of the first holder 11 and the housing 20; the second direction is along the vertical direction, and the housing 20 is rotated left and right by the rotational connection of the first pan/tilt head 11 and the second pan/tilt head 12. Of course, the first direction may also be a vertical direction, and the left and right rotation of the housing 20 is realized by the rotation of the first holder 11 and the housing 20; the second direction is a horizontal direction. Therefore, the microphone array 30 and the camera 40 pitch up and down or rotate left and right in the space along with the movement of the shell 20, the scanning direction is adjusted, sound waves and images at different positions in the space are effectively picked up, the picking up and processing of all-dimensional sound wave information are achieved, the working efficiency is improved, and the user experience is improved.

The embodiment of the utility model provides an acoustic imaging equipment, cloud platform frame 10 includes first cloud platform 11 and second cloud platform 12, casing 20 is rotatable to be installed in first cloud platform 11, first cloud platform 11 is rotatable to be installed in second cloud platform 12, the position control of casing 20 in the space is realized in the cooperation of first cloud platform 11 and second cloud platform 12, need not to aim at when using and survey the direction casing, place at will and accurately pick up the sound wave with the help of the adjustment of first cloud platform 11 and second cloud platform 12, and just can gather the sound wave and the image of different positions in the space in a position, and the efficiency of collection is improved, in time troubleshooting.

In a specific embodiment of the present invention, as shown in fig. 1, the casing 20 is provided with a light hole 23 corresponding to the camera 40, and the light hole 23 is located in the middle of the casing 20.

As shown in fig. 3, the housing 20 includes a front case 21 and a rear case 22, and the front case 21 and the rear case 22 are fixed together by screws. As shown in fig. 3, the front shell 21 and the rear shell 22 are both in the shape of grooves, and after the front shell 21 and the rear shell 22 are connected together, the grooves are butted to form a mounting cavity. Specifically, the microphone array 30 is fixed in the mounting cavity by a fixing member such as a screw. The camera 40 is fixed to the front case 21 by double-sided adhesive tape bonding.

The light hole 23 is disposed in the middle of the housing 20, the camera 40 is adhered to the front case 21 and corresponds to the light hole 23, and an image of an external environment is photographed through the light hole 23. Optionally, a transparent lens is disposed at the transparent hole 23, and the transparent lens is a plane mirror and is used for shielding dust, so as to prevent external dust from falling on the lens of the camera 40 to affect shooting.

The embodiment of the utility model provides an acoustic imaging equipment, light trap 23 are located casing 20's middle part, and camera 40 acquires image all around with the help of the light trap 23 that is located the middle part, conveniently fixes a position the sound wave position.

In an embodiment of the present invention, as shown in fig. 3, the microphone array 30 includes an array plate 33, a sound-transmitting film 31, a foam 32 and a baffle 34, the casing 20 is provided with sound-picking holes corresponding to the microphones on the array plate 33, the sound-transmitting film 31 and the foam 32 are disposed between the one side of the casing 20 with the sound-picking holes and the array plate 33, and the baffle 34 is disposed between the one side of the casing 20 away from the sound-picking holes and the array plate 33.

The size of the array plate 33 is equivalent to that of the housing 20, which is a circuit board. The array plate 33 is square, and fixing holes are respectively formed at four corners of the array plate 33, and the array plate 33 is fixed to the front case 21 by fasteners such as screws. The front shell 21 is provided with a mounting column, the array plate 33 is provided with a mounting hole corresponding to the mounting column, and the array plate 33 is fixed on the front shell 21 by fasteners such as screws. The foam 32 and the sound-transmitting film 31 are respectively provided with a positioning hole which is arranged corresponding to the mounting column. When the microphone is installed, the foam 32 and the sound-transmitting membrane 31 are sleeved on the positioning column, and when the microphone front shell 21 and the array plate 33 are fixed on the front shell 21 by the fasteners, the foam 32 and the sound-transmitting membrane 31 are clamped tightly. Optionally, the sound-transmitting membrane 31 is a waterproof membrane to improve the waterproofness of the entire acoustic imaging apparatus. As shown in fig. 3, the sound-permeable membrane 31 is closer to the housing 20 than the foam 32. The array plate 33 is provided with a plurality of microphones which are arranged in one-to-one correspondence with the sound pickup holes, and the foam 32 is provided with through holes corresponding to the microphones. A baffle 34 is provided between the array plate 33 and the rear case 22. The baffle 34 is also provided with a positioning hole corresponding to the mounting post, and the positioning hole is sleeved on the positioning post.

The aperture ratio of the sound pickup holes is set according to the sound pickup requirements of audio, and the distribution positions of the sound pickup holes are determined according to the processing algorithm of the audio. The sound-transmitting membrane 31 can penetrate through sound waves in a specific wave band range, and the sound-transmitting membrane 31 adopts a waterproof membrane, so that the dustproof and waterproof functions are realized while the microphone realizes accurate sound pickup on the array plate 33, and the sound pickup requirements of different scenes are met.

The embodiment of the utility model provides an acoustic imaging device, microphone array 30 include array board 33, sound-transmitting membrane 31, bubble cotton 32 and baffle 34, and sound-transmitting membrane 31, bubble cotton 32, array board 33 and baffle 34 set up along the direction backward in the past in order, and the microphone that casing 20 corresponds on the array board 33 is equipped with picks up the sound hole, realizes smoothly picking up of sound wave.

In an embodiment of the present invention, the first holder 11 includes two opposite mounting portions 111, and two opposite sides of the casing 20 are rotatably connected to the two mounting portions 111 in a one-to-one correspondence manner.

In an alternative embodiment, as shown in fig. 1 and 2, the first head 11 is a U-shaped base, and the base body is hollow for mounting electronic devices and wiring. Two opposite sides of the U-shaped seat form two opposite mounting portions 111, and are rotatably connected to the left and right sides of the housing 20, respectively, so that the housing 20 can tilt up and down relative to the first head 11. Specifically, the first head 11 includes an upper shell 113 and a lower shell 114, the upper shell 113 is U-shaped, and an opening is provided at the bottom thereof. The lower case 114 is in the form of an end cap for covering the opening of the upper case 113. The housing 20 is positioned in the U-shaped gap and is rotatably coupled to opposite sides of the upper case 113, respectively.

In another alternative embodiment, the upper and lower sides of the housing 20 are rotatably connected to the two mounting portions 111 in a one-to-one correspondence manner, and the housing 20 is rotated left and right by the rotational connection between the housing 20 and the first platform 11.

Each mounting portion 111 includes a body for mounting an electronic device therein, and a sealing plate 112 for sealing a mounting opening of the body.

The embodiment of the utility model provides an acoustic imaging equipment, as shown in fig. 3, first cloud platform 11 facilitates including relative two installation departments 111 that set up for casing 20's installation, and casing 20's relative both sides are connected in two installation departments 111 one-to-one to realize that first cloud platform 11 and casing 20's rotation is connected.

Specifically, a first driving member 13 is disposed in one of the mounting portions 111, and one side of the housing 20 is in driving connection with an output shaft of the first driving member 13. The other mounting portion 111 is provided with a bearing 14 therein, and the other side of the housing 20 is connected to the corresponding mounting portion 111 through the bearing 14.

Optionally, the first driving member 13 is a rotating electric machine. The motor shaft of the rotating electric machine is connected to the housing 20 through a flange. A bearing 14 is provided in the other mounting portion 111. For example, the outer race of the bearing 14 is fixedly coupled to the mounting portion 111, and the inner race of the bearing 14 is coupled to the housing 20. When the first driver 13 drives the housing 20 to rotate, the bearing 14 allows the housing 20 to rotate smoothly with respect to the mounting portion 111. For another example, the outer ring of the bearing 14 is fixedly connected to the side of the housing 20, and the mounting portion 111 is provided with a rotating shaft, which is inserted and fixed to the inner ring of the bearing 14.

Wherein, the first direction is a horizontal direction, when the housing 20 needs to be rotated along the first direction, the first driving member 13 drives the housing 20 to rotate along the horizontal direction, so as to adjust the sound pickup angle of the microphone array 30 and the shooting angle of the camera 40.

In an embodiment of the present invention, as shown in fig. 3, a second driving member 15 is disposed in the second pan/tilt head 12, and the second driving member 15 is drivingly connected to the first pan/tilt head 11.

The second holder 12 is square and includes a box 121 and a cover plate 122, the opening of the box 121 is downward, and the cover plate 122 covers the opening of the box 121. The second head 12 has an inner space for mounting electronic components. Optionally, the second driving member 15 is a rotating motor, and a motor bracket of the rotating motor is fixed by a screw. The second driving piece 15 is arranged in the second holder 12, and the driving end of the second driving piece 15 is connected with the first holder 11 through a flange. Specifically, the driving shaft of the second driving member 15 extends along the vertical direction, and the first holder 11 rotates relative to the second holder 12 by using the vertical direction as an axis under the driving of the second driving member 15.

As shown in fig. 1, a connecting lug 123 is disposed at the bottom of the second cradle head 12, and a connecting hole is disposed on the connecting lug 123.

The connecting lugs 123 are provided in a plurality, and the connecting lugs 123 are arranged at intervals along the circumferential direction of the second cradle head 12. For example, the second pan/tilt head 12 has two connecting lugs 123 on the long side and one connecting lug 123 on the short side. Each connecting lug 123 is provided with a connecting hole. During detection, the whole acoustic imaging device is fixed at a target position such as a wall through the connecting hole in the connecting support lug 123, and the position of the shell 20 is adjusted by controlling the first driving part 13 and the second driving part 15, so that the direction of sound waves collected by the microphone array 30 and the direction of images shot by the camera 40 are adjusted, and the detection efficiency is improved.

In addition, the connecting support lug 123 is further provided with a positioning through hole, and when the second holder 12 is fixed on a wall or other equipment, the mounting position is determined by the positioning through hole and is fixed through the connecting hole. Optionally, only a part of the connecting lugs 123 are provided with positioning through holes, or each connecting lug 123 is provided with a positioning through hole.

In an embodiment, the acoustic imaging apparatus further includes a control main board 50, the control main board 50 is disposed in the second pan/tilt head 12, and the microphone array 30 and the camera 40 are respectively in communication connection with the control main board 50.

As shown in fig. 3, the control main board 50 is a circuit board, and the microphone array 30 and the camera 40 are respectively connected by flexible circuit boards. The microphone array 30 is connected with the control main board 50, so as to realize detection, recording and processing of sound waves, and superimpose the sound waves on the visible light image shot by the camera 40 in a contour line pattern mode.

The first driving part 13 and the second driving part 15 are also respectively in communication connection through a flexible circuit board, and the operation of the first driving part 13 and the operation of the second driving part 15 are controlled by the control main board 50, so that the shell 20 rotates around the first direction and the second direction, multi-directional sound wave and image acquisition can be realized at a single position, and the detection efficiency is improved.

The second cradle head 12 is provided with a power interface 124, the second cradle head 12 is provided with a power supply module, and the power supply module is electrically connected with the power interface 124. The control motherboard 50 is electrically connected to the power supply module, and is connected to an external power source via the power interface 124 to supply power to the electronic devices. For example, the power interface 124 is connected to an external direct-insertion ac power, and the power supply module steps down the direct-insertion 220V ac power to be used as a power supply of the whole acoustic imaging apparatus.

In a specific embodiment of the present invention, the first cradle head 11 is provided with an antenna 60, and the antenna 60 is used for communicating with an external device.

As shown in fig. 1 and 3, the first cradle head 11 is provided with antenna interfaces at the outer sides of the two mounting portions 111, and the two antennas 60 are inserted into the antenna interfaces for fixing. The antenna interface is in communication connection with the control motherboard 50 to realize the transmission of the antenna 60 signal.

The control main board 50 is provided with an antenna 60 module, and the antenna 60 is connected with the antenna 60 module. The control main board 50 transmits the processing result to a designated device, such as a computer or a mobile phone, in real time by means of the antenna 60 for displaying. Meanwhile, the antenna 60 can receive a photographing and video recording instruction sent remotely by external equipment, and a detection result is stored, so that a user can conveniently find local discharge, pressure gas and vacuum leakage points quickly, accurately and omnidirectionally, the production safety factor is improved, surrounding sound wave information and visible light information can be collected and processed by detecting once, the detection efficiency is greatly improved, and the use threshold and difficulty of the user are reduced.

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. An acoustic imaging apparatus, comprising: cloud platform frame, casing, microphone array and camera, cloud platform frame includes first cloud platform and second cloud platform, the microphone array with the camera all install in the casing, the casing around first direction rotatable install in first cloud platform, first cloud platform around second direction rotatable install in the second cloud platform.

2. The acoustic imaging apparatus of claim 1, wherein the first pan/tilt head includes two oppositely disposed mounting portions, and two opposite sides of the housing are rotatably connected to the two mounting portions in a one-to-one correspondence.

3. The acoustic imaging apparatus of claim 2, wherein the first stage is U-shaped.

4. The acoustic imaging apparatus of claim 2, wherein a first driving member is disposed in one of the mounting portions, a bearing is disposed in the other mounting portion, one side of the housing is drivingly connected to the output shaft of the first driving member, and the other side of the housing is connected to the corresponding mounting portion through the bearing.

5. The acoustic imaging apparatus of any of claims 1 to 4, wherein a second drive member is disposed within the second stage, the second drive member being in driving connection with the first stage.

6. The acoustic imaging apparatus according to claim 1, wherein the second pan/tilt is provided with a connecting lug, and the connecting lug is provided with a connecting hole.

7. The acoustic imaging apparatus of claim 6, wherein the connecting lug is further provided with a positioning through hole.

8. The acoustic imaging apparatus of claim 1, further comprising a control motherboard disposed within the second pan-tilt, wherein the microphone array and the camera are respectively in communication with the control motherboard.

9. The acoustic imaging apparatus of claim 1, wherein an antenna is disposed on the first stage, the antenna for communicative connection with an external device.

10. The acoustic imaging apparatus according to claim 1, wherein a power interface is disposed on the second cradle head, and a power supply module is disposed in the second cradle head and electrically connected to the power interface.

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