CN220064264U - Electric power inspection acoustic imaging device - Google Patents
Electric power inspection acoustic imaging device Download PDFInfo
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- CN220064264U CN220064264U CN202321555043.7U CN202321555043U CN220064264U CN 220064264 U CN220064264 U CN 220064264U CN 202321555043 U CN202321555043 U CN 202321555043U CN 220064264 U CN220064264 U CN 220064264U
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- 238000009434 installation Methods 0.000 claims description 41
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- 238000012544 monitoring process Methods 0.000 abstract description 7
- 238000012545 processing Methods 0.000 description 13
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- 238000012423 maintenance Methods 0.000 description 6
- 238000003745 diagnosis Methods 0.000 description 5
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Abstract
The utility model discloses an electric power inspection acoustic imaging device, which comprises a mounting base and a microphone array module, wherein a left-right swinging mechanism and a front-back rotating mechanism are respectively arranged above the mounting base; the microphone array module is driven to realize arc-shaped swinging motion in the left-right direction by taking the axis of the worm wheel as the center of a circle after the worm wheel is driven by the first driving motor to be meshed with the worm wheel; the front-back rotating mechanism comprises a second driving motor, the front-back rotating mechanism is used for driving the microphone array module to realize arc-shaped rotating motion in the front-back direction by taking the axis of an output shaft of the second driving motor as the center of a circle, and the electric power inspection acoustic imaging device has the advantages of realizing multidirectional adjustment on the monitoring angle of the microphone array module, further obtaining accurate and comprehensive imaging results and improving the reliability and safety of equipment.
Description
Technical Field
The utility model relates to the technical field of power inspection, in particular to an acoustic imaging device for power inspection.
Background
The acoustic imaging device is a nondestructive testing tool for inspection of the power equipment, and monitoring and analysis of the state of the power equipment are mainly realized through an acoustic imaging technology. The device comprises a microphone array, a signal processor, a display screen or an image processor, a data memory, a power supply module and the like.
When the microphone array is used, the microphone array can collect sound signals sent by the power equipment and convert the sound signals into electric signals, and the signal processor is used for carrying out filtering, denoising, enhancement and other processing on the sound data so as to improve the quality and the accuracy of sound imaging. The display screen or the image processor is used for displaying the sound imaging result or the processed image, so that the operator can conveniently judge and diagnose the equipment state. The data storage is used for storing the collected sound data and the processed imaging result, and is convenient for subsequent analysis and comparison. And finally, the power supply module is used for providing a stable power supply for the whole system and ensuring the normal operation of the system.
The electric power inspection acoustic imaging device can be widely applied to various types of electric power equipment, such as transformers, switch cabinets, cables, transformer substations and the like, can realize real-time monitoring and early fault diagnosis of the equipment, and improves the reliability and safety of the equipment.
However, the following problems exist in the prior art when the electric power inspection acoustic imaging device is used for inspecting various types of electric power equipment in a transformer substation: because the most of the adjusting components of the existing microphone array module can only realize the angle adjustment in a single direction, the multi-direction angle adjustment cannot be realized, the sound signals collected by the microphone array module are incomplete, accurate and comprehensive imaging results cannot be obtained, and the reliability and the safety of equipment are poor.
Disclosure of Invention
The utility model aims to provide an electric power inspection acoustic imaging device so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the electric power inspection acoustic imaging device comprises a mounting base and a microphone array module, wherein a left-right swinging mechanism and a front-back rotating mechanism are respectively arranged above the mounting base;
the microphone array module is driven to realize arc-shaped swinging motion in the left-right direction by taking the axis of the worm wheel as the center of a circle after the worm wheel is driven by the first driving motor to be meshed with the worm wheel;
the front-back rotating mechanism comprises a second driving motor and is used for driving the microphone array module to realize arc-shaped rotating motion in the front-back direction by taking the axis of an output shaft of the second driving motor as the center of a circle.
Preferably, the first driving motor and the second driving motor are fixedly installed on the upper surface of the installation base, the first driving motor and the second driving motor are symmetrically distributed on the upper surface of the installation base, an output shaft of the first driving motor is fixedly connected with a power input end of the worm through a coupler, an installation block which is symmetrically distributed is fixedly installed on the upper surface of the installation base, and the installation block is located between the first driving motor and the second driving motor.
Preferably, the outer surfaces of two ends of the worm are respectively installed at the axle centers of the two installation blocks through bearings, the two installation blocks are oppositely arranged, the installation frames sleeved on the two installation blocks are rotated, a first rotary encoder is fixedly installed on the right side surface of the installation block above the installation base, and the inner wall of the first rotary encoder is fixedly sleeved with one end of the worm.
Preferably, a second rotary encoder is fixedly arranged on the surface of the right side of the shell of the second driving motor, the inner wall of the second rotary encoder is fixedly sleeved with the outer surface of the output shaft of the second driving motor, the inner wall of the worm wheel is fixedly sleeved with a connecting shaft, and two ends of the connecting shaft are fixedly positioned with the axle center of the mounting frame through bearings and then respectively extend to the back of the front face of the mounting frame.
Preferably, the swing frame has all been cup jointed to the both ends of mounting bracket, the last fixed surface of swing frame installs electric telescopic push rod, microphone array module fixed mounting is on electric telescopic push rod's piston rod top, the upper surface of installation base is fixed mounting respectively has control assembly and electric power storage box.
Preferably, the control assembly is composed of a control box, a controller, a wireless transmission module and a signal processor module, and the first driving motor, the second driving motor, the microphone array module and the power storage box are all electrically connected with the control assembly.
Compared with the prior art, the utility model has the beneficial effects that: according to the electric power inspection acoustic imaging device, the monitoring angle of the microphone array module is adjusted in multiple directions through the cooperation of the left-right swinging mechanism and the front-back rotating mechanism, so that an accurate and comprehensive imaging result can be obtained, the reliability and safety of equipment are improved, in addition, through the cooperation of the controller and the wireless transmission module, the microphone array module is arranged to collect sound signals sent by the electric equipment and convert the sound signals into electric signals, and secondly, the signal processor module is arranged to conduct filtering, denoising, enhancing and other treatments on the sound data so as to improve the quality and precision of sound imaging, the data are fed back to the controller after the treatment is completed, the data are remotely transmitted to a background terminal for analysis and treatment through the wireless transmission module after the treatment by the controller, potential fault points are found in advance, corresponding diagnosis results are given, and maintenance staff can be conveniently arranged to go to the site in time for maintenance.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a perspective view of a mounting base structure of an electric power inspection acoustic imaging device according to the present utility model;
fig. 3 is a perspective view of a microphone array module structure of the electric power inspection acoustic imaging device according to the present utility model;
fig. 4 is a cross-sectional view of a control box structure of an electric power inspection acoustic imaging device according to the present utility model.
In the figure: 1. a mounting base; 2. a microphone array module; 3. a first driving motor; 31. a mounting block; 32. a mounting frame; 33. a first rotary encoder; 4. a worm; 5. a worm wheel; 6. a second driving motor; 61. a second rotary encoder; 62. a connecting shaft; 63. a swing frame; 64. an electric telescopic push rod; 65. an electric storage box; 66. a controller; 67. a wireless transmission module; 68. a signal processor module; 69. and a control box.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: an electric power inspection acoustic imaging device comprises a mounting base 1 and a microphone array module 2, wherein the mounting base is used for collecting sound signals emitted by electric power equipment and converting the sound signals into electric signals so as to carry out subsequent processing and analysis; the electric power inspection acoustic imaging device is suitable for a transformer substation, can monitor a cable, and can start monitoring the cable only by fixing the installation base 1 above a trolley or a monitoring vehicle, wherein a left-right swinging mechanism and a front-back rotating mechanism are respectively arranged above the installation base 1;
the left-right swinging mechanism comprises a first driving motor 3, a worm 4 and a worm wheel 5, wherein after the worm 4 is driven by the first driving motor 3 to be meshed with the worm wheel 5, the microphone array module 2 is driven to realize arc swinging motion in the left-right direction by taking the axis of the worm wheel 5 as the center of a circle;
the front-back rotating mechanism comprises a second driving motor 6 and is used for driving the microphone array module 2 to realize arc-shaped rotating motion in the front-back direction by taking the axis of an output shaft of the second driving motor 6 as the center of a circle.
Further, the first driving motor 3 and the second driving motor 6 are fixedly installed on the upper surface of the installation base 1, the first driving motor 3 and the second driving motor 6 are symmetrically distributed on the upper surface of the installation base 1, the first driving motor 3 is used for providing a driving source for a left-right swinging mechanism so as to ensure the normal operation of the left-right swinging mechanism, the second driving motor 6 is used for providing a driving source for a front-back rotating mechanism so as to ensure the normal operation of the front-back rotating mechanism, an output shaft of the first driving motor 3 is fixedly connected with a power input end of the worm 4 through a coupler, the first driving motor 3 converts electric energy into mechanical energy, the driving worm 4 takes an output shaft center of the first driving motor 3 as a circle center to realize rotary motion, the installation blocks 31 which are symmetrically distributed are fixedly installed on the upper surface of the installation base 1, and the installation blocks 31 are located between the first driving motor 3 and the second driving motor 6, and limit the distribution positions of the installation blocks 31 above the installation base.
Further, the outer surfaces of two ends of the worm 4 are respectively installed at the axle centers of the two installation blocks 31 through bearings, the worm 4 is matched with the installation blocks 31, the worm 4 is fixed, so that the subsequent worm 4 stably rotates, the installation frames 32 sleeved on the opposite surfaces of the two installation blocks 31 are rotated, the first rotary encoder 33 is fixedly installed on the right side surface of the installation block 31 positioned on the right side above the installation base 1, the inner wall of the first rotary encoder 33 is fixedly sleeved with one end of the worm 4, and the swinging angle of the left and right directions of the microphone array module 2 is controlled through the matching of the first rotary encoder 33 and the worm 4.
Further, a second rotary encoder 61 is fixedly mounted on the right side surface of the shell of the second driving motor 6, the inner wall of the second rotary encoder 61 is fixedly sleeved with the outer surface of an output shaft of the second driving motor 6, the rotation angle of the microphone array module 2 in the front-rear direction is controlled through the cooperation of the second rotary encoder 61 and the second driving motor 6, a connecting shaft 62 is fixedly sleeved on the inner wall of the worm wheel 5, and two ends of the connecting shaft 62 are fixedly positioned with the axle center of the mounting frame 32 through bearings and then respectively extend to the back surface of the front surface of the mounting frame 32.
Further, the swing frame 63 has all been fixedly cup jointed at the both ends of mounting bracket 32, the last fixed surface of swing frame 63 installs electric telescopic push rod 64, second driving motor 6 drive mounting bracket 32, swing frame 63, electric telescopic push rod 64 and microphone array module 2 use the output shaft axle center of second driving motor 6 as the centre of a circle realization rotation, and forward and backward rotation through second driving motor 6 drives the arc rotary motion in the direction about the realization of microphone array module 2, microphone array module 2 fixed mounting is on the piston rod top of electric telescopic push rod 64, through the cooperation of microphone array module 2 and electric telescopic push rod 64, utilize an extension and retraction action of electric telescopic push rod 64, realize the action of altitude mixture control to microphone array module 2, and then in order to guarantee that microphone array module 2 can receive the sound signal that equipment sent to the maximum extent, the upper surface fixed mounting of installation base 1 has control assembly and electric power storage box 65 respectively.
Further, the control assembly is composed of a control box 69, a controller 66, a wireless transmission module 67 and a signal processor module 68, wherein the controller 66, the wireless transmission module 67 and the signal processor module 68 are all arranged in the control box 69, the first driving motor 3, the second driving motor 6, the microphone array module 2 and the electric storage box 65 are all electrically connected with the control assembly, the microphone array module 2 is arranged to collect sound signals sent by power equipment and convert the sound signals into electric signals, the signal processor module 68 is arranged to conduct filtering, denoising, enhancing and other processing on the sound data so as to improve the quality and the precision of sound imaging, the data are fed back to the controller 66 after processing, and are remotely transmitted to a background terminal for analysis and processing through the wireless transmission module 67 after processing through the controller 66, so that potential fault points are found in advance, corresponding diagnosis results are given, and maintenance staff can be conveniently arranged to go to the site in time for maintenance.
Through the cooperation of controlling swing mechanism and front and back slewing mechanism, realize multi-direction regulation to microphone array module 2's monitoring angle, and then can obtain accurate, comprehensive imaging result, improve reliability and the security of equipment, in addition, through the cooperation of controller 66 and wireless transmission module 67, set up microphone array module 2 and gather the sound signal that power equipment sent earlier, and turn into the signal of telecommunication, secondly, set up signal processor module 68 and carry out processing such as filtering, denoising and reinforcing to these sound data, in order to improve the quality and the precision of sound imaging, after the processing is accomplished with the data feedback to controller 66, after the processing of controller 66, carry out analysis and processing through wireless transmission module 67 remote transmission for the backstage terminal, realize finding potential fault point in advance, and give corresponding diagnosis result, and then make things convenient for arranging the maintainer to in time go to the scene and maintain.
Working principle: step one, mounting a mounting base 1 of the electric power inspection acoustic imaging device in the central position of a transformer substation site, and starting to monitor various types of electric power equipment in the transformer substation through the electric power inspection acoustic imaging device after the mounting is completed;
step two, the control assembly controls the first driving motor 3 to start, after the first driving motor 3 drives the worm 4 to be meshed with the worm wheel 5, the microphone array module 2 is driven to rotate by taking the axle center of the worm wheel 5 as the circle center, the microphone array module 2 is driven to realize arc-shaped swinging motion in the left-right direction through the forward and reverse rotation of the first driving motor 3, and the swinging angle of the microphone array module 2 in the left-right direction is controlled through the cooperation of the first rotary encoder 33 and the worm 4;
step three, the second driving motor 6 is controlled to start, the second driving motor 6 drives the mounting frame 32, the swinging frame 63, the electric telescopic push rod 64 and the microphone array module 2 to rotate by taking the axis of an output shaft of the second driving motor 6 as a circle center, the microphone array module 2 is driven to realize arc-shaped rotation movement in the front-back direction through the forward and reverse rotation of the second driving motor 6, and the rotation angle of the microphone array module 2 in the front-back direction is controlled through the cooperation of the second rotary encoder 61 and the second driving motor 6;
in addition, through the cooperation of the controller 66 and the wireless transmission module 67, the microphone array module 2 is arranged to collect the sound signals sent by the power equipment first and convert the sound signals into electric signals, and then the signal processor module 68 is arranged to perform filtering, denoising, enhancing and other processes on the sound data so as to improve the quality and precision of sound imaging, after the processing is completed, the data is fed back to the controller 66, after the processing is completed, the data is remotely transmitted to a background terminal for analysis and processing through the wireless transmission module 67, potential fault points are found in advance, corresponding diagnosis results are given, and maintenance personnel can go to the site in time for maintenance conveniently.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an electric power inspection acoustic imaging device, includes installation base (1) and microphone array module (2), its characterized in that: a left-right swinging mechanism and a front-back rotating mechanism are respectively arranged above the mounting base (1);
the microphone array module (2) is driven to realize arc-shaped swinging motion in the left-right direction by taking the axis of the worm wheel (5) as the center of a circle after the worm (4) is driven by the first driving motor (3) to be meshed with the worm wheel (5);
the front-back rotating mechanism comprises a second driving motor (6), and is used for driving the microphone array module (2) to realize arc-shaped rotating motion in the front-back direction by taking the axis of an output shaft of the second driving motor (6) as the center of a circle.
2. The power inspection acoustic imaging apparatus of claim 1, wherein: the utility model discloses a motor drive unit, including installation base (1), first driving motor (3) and second driving motor (6), just first driving motor (3) and second driving motor (6) are the upper surface at installation base (1) fixed mounting at the upper surface of installation base (1), the output shaft of first driving motor (3) is through the power input fixed connection of shaft coupling and worm (4), the upper surface fixed mounting of installation base (1) has installation piece (31) that are the symmetric distribution, just installation piece (31) are located between first driving motor (3) and second driving motor (6).
3. The power inspection acoustic imaging apparatus of claim 2, wherein: the two ends of the worm (4) are respectively installed at the axle center of the installation blocks (31) through bearings, the two installation blocks (31) are respectively and rotatably sleeved with the installation frame (32), the right side surface of the installation block (31) positioned on the right side above the installation base (1) is fixedly provided with the first rotary encoder (33), and the inner wall of the first rotary encoder (33) is fixedly sleeved with one end of the worm (4).
4. A power inspection acoustic imaging apparatus according to claim 3, wherein: the right side surface of the shell of the second driving motor (6) is fixedly provided with a second rotary encoder (61), the inner wall of the second rotary encoder (61) is fixedly sleeved with the outer surface of an output shaft of the second driving motor (6), the inner wall of the worm wheel (5) is fixedly sleeved with a connecting shaft (62), and two ends of the connecting shaft (62) are fixedly positioned with the axle center of the mounting frame (32) through bearings and then respectively extend to the back of the front face of the mounting frame (32).
5. The power inspection acoustic imaging apparatus of claim 4, wherein: swing frame (63) have all been cup jointed to the both ends of mounting bracket (32), the upper surface fixed mounting of swing frame (63) has electric telescopic push rod (64), microphone array module (2) fixed mounting is on the piston rod top of electric telescopic push rod (64), the upper surface of installation base (1) is fixed mounting respectively has control assembly and electric power storage case (65).
6. The power inspection acoustic imaging apparatus of claim 5, wherein: the control assembly consists of a control box (69), a controller (66), a wireless transmission module (67) and a signal processor module (68), and the first driving motor (3), the second driving motor (6), the microphone array module (2) and the power storage box (65) are electrically connected with the control assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321555043.7U CN220064264U (en) | 2023-06-19 | 2023-06-19 | Electric power inspection acoustic imaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321555043.7U CN220064264U (en) | 2023-06-19 | 2023-06-19 | Electric power inspection acoustic imaging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220064264U true CN220064264U (en) | 2023-11-21 |
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ID=88765158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321555043.7U Active CN220064264U (en) | 2023-06-19 | 2023-06-19 | Electric power inspection acoustic imaging device |
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| Country | Link |
|---|---|
| CN (1) | CN220064264U (en) |
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2023
- 2023-06-19 CN CN202321555043.7U patent/CN220064264U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An acoustic imaging device for power inspection Granted publication date: 20231121 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: Wuhan zhimingtai Technology Co.,Ltd. Registration number: Y2024980034838 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |