CN212779550U - Multi-camera single-microphone array automobile whistle detection equipment - Google Patents
Multi-camera single-microphone array automobile whistle detection equipment Download PDFInfo
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- CN212779550U CN212779550U CN202021616780.XU CN202021616780U CN212779550U CN 212779550 U CN212779550 U CN 212779550U CN 202021616780 U CN202021616780 U CN 202021616780U CN 212779550 U CN212779550 U CN 212779550U
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Abstract
The utility model discloses a multi-camera single-microphone array automobile whistle detection device, which belongs to the technical field of automobile whistle detection and comprises a computer, a networking device, a power supply device, a data transmission pipeline device and a detection component; the detection assembly comprises a microphone array, an L-shaped steel frame structure, a base, a universal joint, a first camera and a second camera; the power supply device is used for providing electric energy for the computer, the networking equipment and the detection assembly, and the multi-camera single-microphone array automobile whistle detection equipment is simple in structure and convenient to use, on one hand, the detection of automobile illegal whistle on a large scale facing a plurality of lanes is realized, the working efficiency is improved, and the use cost is saved. On the other hand, the universal joint is used, so that the detection area can be adjusted, and the detection flexibility is improved.
Description
Technical Field
The utility model belongs to the technical field of the car detection technique that whistles, concretely relates to many cameras single microphone array car check out test set that whistles.
Background
In no-horn district, no sight no-horn warning sign of many cars, the driver is indiscriminate to press loudspeaker and urge preceding car or pedestrian, the noise pollution serious influence local resident's physical and mental health and quality of life, the candid photograph check out test set that whistles is used for detecting the car and whether illegally whistles, and generates the candid photograph evidence, the collection audio signal that detection device that whistles passes through the microphone array is used for fixing a position the car position of whistling, gather image signal through the camera and be used for discerning the license plate that vehicle and vehicle correspond. Then generating a snapshot evidence of automobile whistle for processing by traffic policemen;
two types are derived from the signal detection device in the prior art:
the first method is to embed a camera in the center of a microphone array, and is a combination mode of a single microphone array and a single camera, wherein the used camera is a common high-definition camera, and the combination mode limits the type selection of the camera and the quality of a shot image; the microphone array can detect automobile whistles within the range of 20m × 50m on a horizontal plane, but the detection range of the camera is smaller than that of the microphone array, a common high-definition camera is embedded in the center of the microphone array, the aperture of the camera capable of being accommodated is small due to the small space of the center of the microphone array, the combination mode limits the focal length of the monitoring camera and the types of pixels and cameras, and the problems of small shooting range, short shooting distance, unclear shot image pixels and the like are caused;
secondly, the camera and the microphone array are separated into independent bodies and combined together through a metal combination frame, the microphone array is arranged below the camera and above the camera, the structure is also a combination mode of a single microphone array and a single camera, different types of cameras can be combined, a whistle detection device is used for detecting the whistle condition of an automobile on a lane, and a traffic camera is generally used according to a use scene in the technical scheme; although the two cameras can be freely matched, the problems of shooting range, image definition and the like still exist, the common traffic camera also meets the requirements of shooting long distance and wide visual field, the width of an observation area is limited when a long-focus camera is used, the observation distance is limited when a wide-angle camera is used, and if a traffic single camera meets the requirements of the two cameras except that the cameras are specially customized, the equipment cost is increased, and the purchase cost is increased.
Disclosure of Invention
An object of the utility model is to provide a many cameras single microphone array car check out test set that whistles to the car check out test set that whistles that solves single microphone array single camera structure causes the little problem of detection range that whistles because of the camera shooting range is limited.
In order to achieve the above object, the utility model provides a following technical scheme: a multi-camera single-microphone array automobile whistle detection device comprises a computer, networking equipment, a power supply device, a data transmission pipeline device and a detection assembly;
the detection assembly comprises a microphone array, an L-shaped steel frame structure, a base, a universal joint, a first camera and a second camera;
the microphone array is fixed on an L-shaped steel frame structure, the L-shaped steel frame structure is arranged below the traffic signal rod through a universal joint and is connected with an audio data acquisition card, and the audio data acquisition card transmits acquired audio signals to the data transmission pipeline device;
a first camera and a second camera are arranged above the traffic signal rod, the first camera and the second camera are respectively connected to one ends of universal joints, the other ends of the two universal joints are respectively connected with the base and are horizontally arranged on the traffic signal rod, the first camera and the second camera are both connected with an image acquisition card, and the image acquisition card transmits acquired image signals to the data transmission pipeline device;
the data transmission pipeline device collects the audio signals and the image signals of the detection assembly and transmits the audio signals and the image signals to the networking equipment;
the networking equipment is used for transmitting the audio signal and the image signal to a computer;
the computer acquires the audio signal and the image signal, runs a signal analysis and identification program, stores the identified snapshot information in local storage equipment, and simultaneously sends the snapshot information to a network through networking equipment;
the power supply device is used for supplying electric energy to the computer, the networking equipment and the detection assembly.
Preferably, the traffic signal pole is provided with a shooting assembly in a shape of Chinese character 'ri' through a base, the shooting assembly in the shape of Chinese character 'ri' comprises a steel frame structure in the shape of Chinese character 'ri', a first camera and a second camera are respectively arranged in the steel frame structure in the shape of Chinese character 'ri', the first camera and the second camera are respectively connected with one end of a universal joint, and the other end of the universal joint is vertically arranged and arranged on the steel frame structure in the shape of Chinese character 'ri'.
Preferably, the traffic signal rod is provided with two shooting assemblies shaped like a Chinese character 'ri', and the two shooting assemblies shaped like a Chinese character 'ri' are respectively and horizontally arranged on the traffic signal rod through the base.
Preferably, the computer, the power supply device and the networking equipment are all arranged in the electronic box device.
Preferably, the data transmission pipeline device is further used for accessing and modifying the configuration of the audio acquisition card and the video acquisition card and checking the working state.
Preferably, the computer is an industrial personal computer.
Preferably, the networking device is a network router.
Preferably, the power supply device is used for converting 220V alternating current voltage into required rated working voltage.
A signal analysis and identification step of multi-camera single-microphone array automobile whistle detection equipment comprises the following steps: the method comprises the following steps: step S1: analyzing the received audio signal data to obtain audio data of each single channel, inputting the audio data of the multiple channels into a beam forming algorithm executed by a computer, and calculating the position of the automobile whistle by the beam forming algorithm;
step S2: analyzing the received image signal data packet to obtain image data of each camera, inputting the image signal of each camera into an image recognition algorithm executed by a computer, recognizing license plates in the image by the image recognition algorithm and calculating the physical coordinates of each license plate;
step S3: matching the best license plate according to the calculated whistle position and then generating snapshot information of illegal whistle of the automobile;
step S4: and storing the generated snapshot information in a local storage device of the computer, and simultaneously transmitting the snapshot information to the networking device, and then transmitting the snapshot information to the network by the networking device.
The utility model discloses a technological effect and advantage: this many cameras single microphone array car detection equipment that whistles, simple structure, convenient to use, on the one hand, realized having improved work efficiency towards the detection of the illegal whistle of the large-scale car in a plurality of lanes, saved use cost. On the other hand, the universal joint is used, so that the detection area can be adjusted, and the detection flexibility is improved.
Drawings
FIG. 1 is a frame diagram of the present invention;
fig. 2 is a schematic structural view of the horizontal dual cameras of the present invention;
fig. 3 is a schematic structural view of the vertical dual cameras of the present invention;
fig. 4 is a schematic diagram of the structure of the camera array of the present invention;
fig. 5 is a schematic view of the horizontally and laterally extended shooting range of the present invention;
fig. 6 is a schematic diagram of the longitudinally extended shooting range of the present invention;
fig. 7 is a schematic diagram of the horizontal and vertical bidirectional extension shooting range of the present invention.
In the figure: 1. a detection component; 11. a microphone array; 12. an L-shaped steel frame structure; 13. a traffic signal pole; 14. a base; 15. a universal joint; 16. a first camera; 17. a second camera; 18. a steel frame structure shaped like a Chinese character 'ri'; 2. a data transmission pipeline device; 3. a computer; 4. a networked device; 5. an electronic box device; 6. and a power supply device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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 work belong to the protection scope of the present invention.
Example 1:
the utility model provides a many cameras single microphone array car whistle check out test set as shown in figures 1-5, including detection component 1, data transmission pipeline device 2, computer 3, power supply unit 6, networking equipment 4, electronic box device 5, install L shaped steel frame structure 12 on universal joint 15, install microphone array 11 on L shaped steel frame structure 12, adopt the two camera structures of horizontal direction in this embodiment, need to install two bases 14 and universal joint 15 and then directly install first camera 16, second camera 17 on universal joint 15, base 14 device plays the fixed action, provide a fixed position on traffic signal pole 13, install universal joint 15 on base 14, the effect of universal joint 15 is used for adjusting the left and right pitch direction angle of camera and microphone array 11, install L steelframe structure 12 on universal joint 15, the microphone array 11 is installed on the L-shaped steel frame structure 12, then a first camera 16 and a second camera 17 are installed on the universal joint 15, the first camera 16 and the second camera 17 which are the same or different in scale are placed in the horizontal direction of the traffic signal rod 13, the shooting ranges of the two cameras are spliced, so that the transverse range detected by the whistle detection device can be expanded, and the detection range is shown in FIG. 5;
the upper audio data acquisition card of the microphone array 11 is used for acquiring acoustic signals received by a multi-channel microphone, the acquisition card is connected with the network router device through a gigabit network cable, an image acquisition card is also arranged on the first camera 16 and the second camera 17 and used for acquiring image information of a monitoring area, then the image acquisition card is connected with the network router device through the gigabit network cable, all the network cables are arranged in a hose, the hose plays a role in protecting, the data transmission pipeline device 2 is used for transmitting the acquisition signals of the microphone array 11 and the first camera 16 and the second camera 17 and simultaneously used for accessing the audio acquisition card and the video acquisition card, such as parameter configuration modification, working state checking and the like.
The networking device in this embodiment is a network router, and transfers the audio signal and the video signal collected by the acquisition card to a computer, and the computer performs calculation processing, and then the network router uploads the result of the computer processing to a network terminal.
Computers primarily perform their storage and computing functions. A first process: the received audio signal data packet is analyzed to obtain audio data of each single channel, the audio data of the multiple channels are input into a beam forming algorithm executed by a computer, and the beam forming algorithm calculates the position of the automobile whistle. And a second process: analyzing the received image signal data packet to obtain image data of each camera, inputting the image signal of each camera into an image recognition algorithm executed by a computer, recognizing license plates in the image by the image recognition algorithm and calculating the physical coordinates of each license plate. And a third process: and matching the best license plate according to the calculated whistle position and then generating a snapshot evidence of illegal whistle of the automobile. And a fourth process: the generated whistling snapshot evidence is stored in a computer local, and meanwhile, the whistling snapshot evidence is transmitted to a network router and then transmitted to a network by the network router;
the power supply device 6 converts 220V alternating voltage into the required rated working voltage of other devices to supply power to the following devices: a first camera 16 and a second camera 17, a microphone array 11, a networking device 4, and a computer 3;
the electronic box device 5 provides a protection effect for other devices, and the computer 3, the power supply device 6 and the networking equipment 4 are placed into the electronic box device 5, so that the influence of wind, rain and sunshine in the natural environment is prevented, and artificial malicious damage is prevented.
Example 2:
the utility model provides a many cameras single microphone array car whistle check out test set as shown in figure 1-6, including detection component 1, data transmission pipeline device 2, computer 3, power supply unit 6, networking equipment 4, electronic box device 5, install L shaped steel frame structure 12 on universal joint 15, install microphone array 11 on L shaped steel frame structure 12, adopt vertical two camera structures in this embodiment, the vertical extension shooting scope, install the style of calligraphy structure 18 on base 14, again install universal joint 15 on style of calligraphy structure 18 on two mouths respectively, later install first camera 16 and second camera 17 on universal joint 15 respectively, base 14 device plays the fixed action, provide a fixed position on traffic signal pole 13, first camera 16 and second camera 17 can be the same or different scales, the first camera 16 and the second camera 17 are arranged in the vertical direction of the traffic signal pole, the longitudinal range detected by the automobile whistle detection device can be expanded by splicing the shooting ranges of the first camera 16 and the second camera 17, and the detection range is shown in fig. 6;
the upper audio data acquisition card of the microphone array 11 is used for acquiring acoustic signals received by a multi-channel microphone, the acquisition card is connected with the network router device through a gigabit network cable, an image acquisition card is also arranged on the first camera 16 and the second camera 17 and used for acquiring image information of a monitoring area, then the image acquisition card is connected with the network router device through the gigabit network cable, all the network cables are arranged in a hose, the hose plays a role in protecting, the data transmission pipeline device 2 is used for transmitting the acquisition signals of the microphone array 11 and the first camera 16 and the second camera 17 and simultaneously used for accessing the audio acquisition card and the video acquisition card, such as parameter configuration modification, working state checking and the like.
The networking device in this embodiment is a network router, and transfers the audio signal and the video signal collected by the acquisition card to a computer, and the computer performs calculation processing, and then the network router uploads the result of the computer processing to a network terminal.
Computers primarily perform their storage and computing functions. A first process: the received audio signal data packet is analyzed to obtain audio data of each single channel, the audio data of the multiple channels are input into a beam forming algorithm executed by a computer, and the beam forming algorithm calculates the position of the automobile whistle. And a second process: analyzing the received image signal data packet to obtain image data of each camera, inputting the image signal of each camera into an image recognition algorithm executed by a computer, recognizing license plates in the image by the image recognition algorithm and calculating the physical coordinates of each license plate. And a third process: and matching the best license plate according to the calculated whistle position and then generating a snapshot evidence of illegal whistle of the automobile. And a fourth process: the generated whistling snapshot evidence is stored in a computer local, and meanwhile, the whistling snapshot evidence is transmitted to a network router and then transmitted to a network by the network router;
the power supply device 6 converts 220V alternating voltage into the required rated working voltage of other devices to supply power to the following devices: a first camera 16 and a second camera 17, a microphone array 11, a networking device 4, and a computer 3;
the electronic box device 5 provides a protection effect for other devices, and the computer 3, the power supply device 6 and the networking equipment 4 are placed into the electronic box device 5, so that the influence of wind, rain and sunshine in the natural environment is prevented, and artificial malicious damage is prevented.
Example 3:
the utility model provides a many cameras single microphone array car whistle check out test set as shown in figure 1-7, including detection component 1, data transmission pipeline device 2, computer 3, power supply unit 6, networking equipment 4, electronic box device 5, install L shaped steel frame structure 12 on universal joint 15, install microphone array 11 on L shaped steel frame structure 12, adopt the camera array structure in this embodiment, horizontal vertical both-way extension shooting range, install two bases 14, then install two day style of calligraphy steel frame structures 18 on base 14, again install universal 15 on two mouths respectively on day style of calligraphy structure 18, later install first camera 16 and second camera 17 respectively on universal joint 15, base 14 device plays the fixed action, provide a fixed position on traffic signal pole 13, first camera 16 and second camera 17 can be the same or different scale, two B-shaped steel frame structures 18 are installed, and a first camera 16 and a second camera 17 are installed on each B-shaped steel frame structure 18 to form a camera array. The horizontal direction on the signal pole has two sets of cameras like this, also has two sets of cameras in the vertical direction of signal pole, splices the shooting region of camera array and just can expand the horizontal and longitudinal range that car detection device that whistles detected simultaneously. The detection range is shown in fig. 7;
the upper audio data acquisition card of the microphone array 11 is used for acquiring acoustic signals received by a multi-channel microphone, the acquisition card is connected with the network router device through a gigabit network cable, an image acquisition card is also arranged on the first camera 16 and the second camera 17 and used for acquiring image information of a monitoring area, then the image acquisition card is connected with the network router device through the gigabit network cable, all the network cables are arranged in a hose, the hose plays a role in protecting, the data transmission pipeline device 2 is used for transmitting the acquisition signals of the microphone array 11 and the first camera 16 and the second camera 17 and simultaneously used for accessing the audio acquisition card and the video acquisition card, such as parameter configuration modification, working state checking and the like.
The networking device in this embodiment is a network router, and transfers the audio signal and the video signal collected by the acquisition card to a computer, and the computer performs calculation processing, and then the network router uploads the result of the computer processing to a network terminal.
Computers primarily perform their storage and computing functions. A first process: the received audio signal data packet is analyzed to obtain audio data of each single channel, the audio data of the multiple channels are input into a beam forming algorithm executed by a computer, and the beam forming algorithm calculates the position of the automobile whistle. And a second process: analyzing the received image signal data packet to obtain image data of each camera, inputting the image signal of each camera into an image recognition algorithm executed by a computer, recognizing license plates in the image by the image recognition algorithm and calculating the physical coordinates of each license plate. And a third process: and matching the best license plate according to the calculated whistle position and then generating a snapshot evidence of illegal whistle of the automobile. And a fourth process: the generated whistling snapshot evidence is stored in a computer local, and meanwhile, the whistling snapshot evidence is transmitted to a network router and then transmitted to a network by the network router;
the power supply device 6 converts 220V alternating voltage into the required rated working voltage of other devices to supply power to the following devices: a first camera 16 and a second camera 17, a microphone array 11, a networking device 4, and a computer 3;
the electronic box device 5 provides a protection effect for other devices, and the computer 3, the power supply device 6 and the networking equipment 4 are placed into the electronic box device 5, so that the influence of wind, rain and sunshine in the natural environment is prevented, and artificial malicious damage is prevented.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The utility model provides a many cameras single microphone array car detection equipment that whistles which characterized in that: the system comprises a computer (3), networking equipment (4), a power supply device (6), a data transmission pipeline device (2) and a detection assembly (1);
the detection assembly (1) comprises a microphone array (11), an L-shaped steel frame structure (12), a base (14), a universal joint (15), a first camera (16) and a second camera (17);
the microphone array (11) is fixed on an L-shaped steel frame structure (12), the L-shaped steel frame structure (12) is installed below a traffic signal rod (13) through a universal joint (15), the microphone array (11) is connected with an audio data acquisition card, and the audio data acquisition card transmits acquired audio signals to the data transmission pipeline device (2);
a first camera (16) and a second camera (17) are arranged above the traffic signal rod (13), the first camera (16) and the second camera (17) are respectively connected to one end of a universal joint (15), the other ends of the two universal joints (15) are respectively connected with a base (14) and are horizontally arranged above the traffic signal rod (13), the first camera (16) and the second camera (17) are both connected with an image acquisition card, and the image acquisition card transmits acquired image signals to the data transmission pipeline device (2);
the data transmission pipeline device (2) collects the audio signals and the image signals of the detection assembly and transmits the audio signals and the image signals to the networking equipment (4);
the networking device (4) is used for transmitting the audio signal and the image signal to the computer (3);
the computer (3) acquires the audio signal and the image signal, runs a signal analysis and identification program, stores the identified snapshot information in a local storage device, and simultaneously sends the snapshot information to a network through the networking device (4);
the power supply device (6) is used for supplying electric energy to the computer (3), the networking equipment (4) and the detection assembly (1).
2. The apparatus of claim 1, wherein: the traffic signal pole (13) is gone up and is installed the day style of calligraphy through base (14) and make a video recording the subassembly, the day style of calligraphy make a video recording the subassembly and include day style of calligraphy steel frame construction (18), and be equipped with first camera (16) and second camera (17) in day style of calligraphy steel frame construction (18) respectively, first camera (16) and second camera (17) are connected with universal joint (15) one end respectively, two universal joint (15) other end vertical arrangement is installed on day style of calligraphy steel frame construction (18).
3. The apparatus of claim 2, wherein: the traffic signal rod (13) is provided with two shooting assemblies shaped like Chinese character 'ri', and the two shooting assemblies shaped like Chinese character 'ri' are horizontally arranged on the traffic signal rod (13) through a base (14) respectively.
4. The apparatus of claim 1, wherein: the computer (3), the power supply device (6) and the networking equipment (4) are all installed in the electronic box device (5).
5. The apparatus of claim 1, wherein: the data transmission pipeline device (2) is also used for accessing and modifying the configuration of the audio acquisition card and the video acquisition card and checking the working state.
6. The apparatus of claim 1, wherein: the computer (3) is an industrial personal computer.
7. The apparatus of claim 1, wherein: the networking device (4) is a network router.
8. The apparatus of claim 1, wherein: the power supply device (6) is used for converting 220V alternating current voltage into required rated working voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021616780.XU CN212779550U (en) | 2020-08-06 | 2020-08-06 | Multi-camera single-microphone array automobile whistle detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021616780.XU CN212779550U (en) | 2020-08-06 | 2020-08-06 | Multi-camera single-microphone array automobile whistle detection equipment |
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| Publication Number | Publication Date |
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| CN212779550U true CN212779550U (en) | 2021-03-23 |
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| CN202021616780.XU Active CN212779550U (en) | 2020-08-06 | 2020-08-06 | Multi-camera single-microphone array automobile whistle detection equipment |
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- 2020-08-06 CN CN202021616780.XU patent/CN212779550U/en active Active
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