CN209962410U - Car detection equipment that whistles - Google Patents
Car detection equipment that whistles Download PDFInfo
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- CN209962410U CN209962410U CN201920625762.9U CN201920625762U CN209962410U CN 209962410 U CN209962410 U CN 209962410U CN 201920625762 U CN201920625762 U CN 201920625762U CN 209962410 U CN209962410 U CN 209962410U
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Abstract
The utility model discloses a car check out test set that whistles, including acoustics collection system and video acquisition device, still include calibrating device and acoustics-video synthesizer. And the acoustic acquisition device and the video acquisition device are respectively provided with a height measurement device, an angle measurement device and a distance measurement device. The utility model discloses a set up high measuring device, angle measurement device and distance measurement device on acoustics collection system and video acquisition device, measure acoustics collection system and video acquisition device's high data, angle data and distance data, rethread calibrating device calibrates, obtains acoustic signal and video signal after the calibration, need not like this to keep acoustics collection system and video acquisition device's mounted position unanimous in the installation, has reduced the installation degree of difficulty, has improved the accuracy that the whistle detected.
Description
Technical Field
The utility model relates to a traffic monitoring field especially relates to car check out test set that whistles.
Background
The automobile whistle detection equipment comprises the acoustic acquisition device and the video acquisition device, and the installation positions of the acoustic acquisition device and the video acquisition device are required to be consistent due to the high accuracy requirement of automobile whistle detection, but the automobile whistle detection equipment is often installed at a high place of a road junction in reality, so that the acoustic acquisition device and the video acquisition device are difficult to keep the installation positions consistent in the installation process, and the accuracy of automobile whistle detection is not high enough.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a car check out test set that whistles can solve the not enough high technical problem of accuracy that "car whistling detected" that exists among the prior art.
The technical scheme is as follows: the utility model discloses a car detection equipment that whistles, including acoustics collection system and video acquisition device, still include calibrating device and acoustics-video synthesizer; the acoustic acquisition device and the video acquisition device are respectively provided with a height measuring device, an angle measuring device and a distance measuring device, the height measuring device on the acoustic acquisition device, the angle measuring device on the acoustic acquisition device, the distance measuring device on the acoustic acquisition device, the height measuring device on the video acquisition device, the angle measuring device on the video acquisition device, the distance measuring device on the video acquisition device, the acoustic acquisition device and the video acquisition device are respectively connected with a calibrating device, and the calibrating device is connected with the acoustic-video synthesizing device.
Further, the output end of the height measuring device on the acoustic acquisition device, the output end of the angle measuring device on the acoustic acquisition device, the output end of the distance measuring device on the acoustic acquisition device, the output end of the height measuring device on the video acquisition device, the output end of the angle measuring device on the video acquisition device, the output end of the distance measuring device on the video acquisition device, the output end of the acoustic acquisition device and the output end of the video acquisition device are all connected with the input end of the calibration device, and the output end of the calibration device is connected with the input end of the acoustic-video synthesis device.
Furthermore, the output end of the height measuring device on the acoustic acquisition device is connected with the input end of the calibration device in a wired or wireless mode, the output end of the angle measuring device on the acoustic acquisition device is connected with the input end of the calibration device in a wired or wireless mode, and the output end of the distance measuring device on the acoustic acquisition device is connected with the input end of the calibration device in a wired or wireless mode.
Further, the acoustic capture device comprises a microphone array and/or the video capture device comprises a camera.
Further, the height measuring device on the acoustic acquisition device comprises a height measuring instrument and/or the height measuring device on the video acquisition device comprises a height measuring instrument.
Further, the angle measuring device on the acoustic acquisition device comprises a multi-axis angle measuring instrument and/or the angle measuring device on the video acquisition device comprises a multi-axis angle measuring instrument.
Further, the distance measuring device on the acoustic acquisition device comprises a distance measuring instrument and/or the distance measuring device on the video acquisition device comprises a distance measuring instrument.
And the output end of the video acquisition device is connected with the input end of the video processing device, and the output end of the video processing device is connected with the input end of the calibration device.
Further, the device also comprises an acoustic processing device, wherein the output end of the acoustic acquisition device is connected with the input end of the acoustic processing device, and the output end of the acoustic processing device is connected with the input end of the calibration device.
The utility model discloses a car detection equipment that whistles, including acoustics collection system and video acquisition device, still include calibrating device and acoustics-video synthesizer; the acoustic acquisition device and the video acquisition device are respectively provided with a height measurement device, an angle measurement device and a distance measurement device, the height measurement device, the angle measurement device and the distance measurement device on the acoustic acquisition device respectively send height data and angle data of the acoustic acquisition device and distance data from the acoustic acquisition device to a reference point to the calibration device, the height measurement device, the angle measurement device and the distance measurement device on the video acquisition device respectively send the height data and the angle data of the video acquisition device and the distance data from the video acquisition device to the reference point to the calibration device, the acoustic acquisition device sends acquired acoustic signals to the calibration device, the video acquisition device sends acquired video signals to the calibration device, the calibration device outputs the calibrated acoustic signals and video signals to the acoustic-video synthesis device after calibration, the acoustic-video synthesizing device synthesizes the calibrated acoustic signal and the video signal.
Has the advantages that: the utility model provides a car detection equipment that whistles is provided with height measurement device, angle measurement device and distance measurement device on acoustics collection system and video acquisition device, based on the utility model provides a on this overall structure basis, can obtain acoustics collection system and video acquisition device's height data, angle data and distance data, rethread calibrating device calibrates, obtains acoustic signal and video signal after the calibration, need not like this to keep acoustics collection system and video acquisition device's mounted position unanimous in the installation, has reduced the installation degree of difficulty, has improved the accuracy that whistles and detect.
Drawings
Fig. 1 is a schematic structural view of an automobile whistling detection device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a video processing apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an acoustic processing apparatus according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be further described with reference to the following detailed description and the accompanying drawings.
The specific embodiment discloses an automobile whistle detection device, which comprises an acoustic acquisition device, a video acquisition device, a calibration device and an acoustic-video synthesis device, as shown in fig. 1. The acoustic acquisition device comprises an array of microphones, for example: microphone arrays may be formed using either a lounge or a singer series of microphones. The video capture device includes a camera, for example: fluorite or Dahua series cameras can be adopted.
The acoustic acquisition device and the video acquisition device are respectively provided with a height measuring device, an angle measuring device and a distance measuring device, namely the acoustic acquisition device is provided with a first height measuring device, a first angle measuring device and a first distance measuring device, and the video acquisition device is provided with a second height measuring device, a second angle measuring device and a second distance measuring device. The first height measuring device comprises a height measuring instrument and/or the second height measuring device comprises a height measuring instrument, for example: a bosch or ulide series height gauge may be used. The first angle measuring device comprises a multi-axis angle measuring instrument and/or the second angle measuring device comprises a multi-axis angle measuring instrument, for example: a derley or shida series multi-axis goniometer may be used. The first distance measuring device comprises a distance measuring device and/or the second distance measuring device comprises a distance measuring device, for example: a distance measuring instrument of the east america or the force series may be used. The first height measuring device, the first angle measuring device, the first distance measuring device and the acoustic collecting device can be connected physically without signal transmission, namely the first height measuring device, the first angle measuring device and the first distance measuring device are physically arranged on the acoustic collecting device (namely the first height measuring device, the first angle measuring device and the first distance measuring device are fixed on the acoustic collecting device and used for respectively obtaining the height, the angle and the distance from a reference point of the acoustic collecting device), but the first height measuring device, the first angle measuring device and the acoustic collecting device do not have signal transmission; the first height measuring device, the first angle measuring device, the connection relation between the first distance measuring device and the acoustic collecting device can also be in physical connection and signal transmission, namely, the three devices are physically arranged on the acoustic collecting device (namely, the first height measuring device, the first angle measuring device and the first distance measuring device are fixed on the acoustic collecting device and used for respectively obtaining the height, the angle and the distance to a reference point of the acoustic collecting device), and are respectively or completely in signal transmission with the acoustic collecting device. The second height measuring device, the second angle measuring device, the second distance measuring device and the video collecting device can be only in physical connection without signal transmission, namely, the second height measuring device, the second angle measuring device and the second distance measuring device are physically arranged on the video collecting device (namely, the second height measuring device, the second angle measuring device and the second distance measuring device are fixed on the video collecting device and are used for respectively obtaining the height, the angle and the distance from a reference point of the video collecting device), but the second height measuring device, the second angle measuring device and the video collecting device do not have signal transmission; the second height measuring device, the second angle measuring device, the connection relation between the second distance measuring device and the video acquisition device can also have physical connection and signal transmission, namely, the three devices are both physically installed on the video acquisition device (namely, the second height measuring device, the second angle measuring device and the second distance measuring device are fixed on the video acquisition device and are used for respectively obtaining the height, the angle and the distance to a reference point of the video acquisition device), and are respectively or completely transmitted with the video acquisition device.
The height measuring device on the acoustic acquisition device, the angle measuring device on the acoustic acquisition device, the distance measuring device on the acoustic acquisition device, the height measuring device on the video acquisition device, the angle measuring device on the video acquisition device, the distance measuring device on the video acquisition device, the acoustic acquisition device and the video acquisition device are all connected with the calibrating device, and the calibrating device is connected with the acoustic-video synthesizing device.
Specifically, in this embodiment, the output end of the acoustic collection device and the output end of the video collection device are respectively connected to the input end of the calibration device, the output end of the first height measurement device, the output end of the first angle measurement device, the output end of the first distance measurement device, the output end of the second height measurement device, the output end of the second angle measurement device, and the output end of the second distance measurement device are respectively connected to the input end of the calibration device, and the output end of the calibration device is connected to the input end of the acoustic-video synthesis device. The first height measuring device, the first angle measuring device and the first distance measuring device on the acoustic acquisition device respectively send height data and angle data of the acoustic acquisition device and distance data from the acoustic acquisition device to a reference point to the calibration device, the second height measuring device, the second angle measuring device and the second distance measuring device on the video acquisition device respectively send the height data and angle data of the video acquisition device and distance data from the video acquisition device to the reference point to the calibration device, the acoustic acquisition device sends acquired acoustic signals to the calibration device, the video acquisition device sends acquired video signals to the calibration device, the calibration device outputs the calibrated acoustic signals and video signals to the acoustic-video synthesis device after calibration, and the acoustic-video synthesis device synthesizes the calibrated acoustic signals and video signals, and outputting a whistling detection result.
The height measuring device on the acoustic acquisition device is connected with the calibration device in a wired or wireless mode, the angle measuring device on the acoustic acquisition device is connected with the calibration device in a wired or wireless mode, and the distance measuring device on the acoustic acquisition device is connected with the calibration device in a wired or wireless mode. The wired mode can be any wired transmission mode such as USB, RS232 and the like.
On the utility model provides an automobile whistle check out test set's structure basis, the software program that data acquisition, transmission, calibration process etc. that mention among the beneficial effect that it brought probably related to all can realize according to textbook, instrument book, the conventional technological means in this field or other prior art, not the utility model discloses it is the place of innovation. The utility model discloses an innovation only lies in the inside structure of car check out test set that whistles. The utility model provides a structure of the car check out test set that whistles that provides.
In addition, the equipment can also comprise a video processing device, the video acquisition device sends the acquired video signals to the video processing device for processing, and the video processing device outputs the processed video signals to the calibration device. As shown in fig. 2, the video processing device includes an optical imaging module and a license plate recognition module, wherein the optical imaging module is configured to perform optical imaging on a video signal acquired by the video acquisition device to obtain an optical imaging signal, an output end of the optical imaging module is respectively connected to an input end of the calibration device and an input end of the license plate recognition module, and the license plate recognition module is configured to recognize a license plate to obtain an optical imaging signal after the license plate is recognized. In some embodiments, the output end of the license plate recognition module is further connected to an acoustic-video synthesis device, that is, the license plate recognition module is configured to recognize a license plate to obtain an optical imaging signal after the license plate is recognized, and send the optical imaging signal after the license plate is recognized to the acoustic-video synthesis device. The software program that probably involves in the license plate recognition module can be realized according to textbook, instrument book, the conventional technological means in this field or other prior art, not the present utility model discloses a what was innovated, the utility model discloses an innovation lies in the inside structure of car detection equipment that whistles only.
The equipment also comprises an acoustic processing device, wherein the acoustic acquisition device transmits acquired acoustic signals to the acoustic processing device for processing, and the acoustic processing device outputs the processed acoustic signals to the calibration device. As shown in fig. 3, the acoustic processing device includes a whistling sound detection and optimal frequency determination module, an optimized beam forming module, and an acoustic imaging module, wherein an input end of the whistling sound detection and optimal frequency determination module is connected to an output end of the acoustic acquisition device, an output end of the whistling sound detection and optimal frequency determination module is connected to an input end of the optimized beam forming module, an output end of the optimized beam forming module is connected to an input end of the acoustic imaging module, and an output end of the acoustic imaging module is connected to an input end of the calibration device. The whistling sound detection and optimal frequency determination module is used for screening and determining the optimal detection frequency of a signal corresponding to the current target sound source from the acoustic signals in real time. And the optimized beam forming module is used for performing optimized beam forming through the divided scanning grids and the optimal detection frequency. And the acoustic imaging module is used for performing acoustic imaging according to the optimized beam to obtain an acoustic imaging signal. The software program that may be involved in the whistling detection and optimum frequency determination module, the optimized beam forming module, may be implemented according to textbooks, tool books, conventional technical means in the field or other prior art, not the present invention is the innovation of the present invention, which only resides in the internal construction of the car whistling detection device.
Claims (10)
1. Car detection equipment that whistles, including acoustics collection system and video acquisition device, its characterized in that: also comprises a calibration device and an acoustic-video synthesis device; the acoustic acquisition device and the video acquisition device are respectively provided with a height measuring device, an angle measuring device and a distance measuring device, the height measuring device on the acoustic acquisition device, the angle measuring device on the acoustic acquisition device, the distance measuring device on the acoustic acquisition device, the height measuring device on the video acquisition device, the angle measuring device on the video acquisition device, the distance measuring device on the video acquisition device, the acoustic acquisition device and the video acquisition device are respectively connected with a calibrating device, and the calibrating device is connected with the acoustic-video synthesizing device.
2. The automotive whistle detecting apparatus according to claim 1, characterized in that: the output end of the height measuring device on the acoustic acquisition device, the output end of the angle measuring device on the acoustic acquisition device, the output end of the distance measuring device on the acoustic acquisition device, the output end of the height measuring device on the video acquisition device, the output end of the angle measuring device on the video acquisition device, the output end of the distance measuring device on the video acquisition device, the output end of the acoustic acquisition device and the output end of the video acquisition device are all connected with the input end of the calibration device, and the output end of the calibration device is connected with the input end of the acoustic-video synthesis device.
3. The automotive whistle detecting apparatus according to claim 2, characterized in that: the output end of the height measuring device on the acoustic acquisition device is connected with the input end of the calibration device in a wired or wireless mode, the output end of the angle measuring device on the acoustic acquisition device is connected with the input end of the calibration device in a wired or wireless mode, and the output end of the distance measuring device on the acoustic acquisition device is connected with the input end of the calibration device in a wired or wireless mode.
4. The automotive whistle detecting apparatus according to claim 1, characterized in that: the acoustic acquisition device comprises a microphone array and/or the video acquisition device comprises a camera.
5. The automotive whistle detecting apparatus according to claim 1, characterized in that: the height measuring device on the acoustic acquisition device comprises a height measuring instrument and/or the height measuring device on the video acquisition device comprises a height measuring instrument.
6. The automotive whistle detecting apparatus according to claim 1, characterized in that: the angle measuring device on the acoustic acquisition device comprises a multi-axis angle measuring instrument and/or the angle measuring device on the video acquisition device comprises a multi-axis angle measuring instrument.
7. The automotive whistle detecting apparatus according to claim 1, characterized in that: the distance measuring device on the acoustic acquisition device comprises a distance measuring instrument and/or the distance measuring device on the video acquisition device comprises a distance measuring instrument.
8. The automotive whistle detecting apparatus according to claim 2, characterized in that: the output end of the video acquisition device is connected with the input end of the video processing device, and the output end of the video processing device is connected with the input end of the calibration device.
9. The automotive whistle detecting apparatus according to claim 2, characterized in that: the device further comprises an acoustic processing device, the output end of the acoustic collecting device is connected with the input end of the acoustic processing device, and the output end of the acoustic processing device is connected with the input end of the calibrating device.
10. Car detection equipment that whistles, including acoustics collection system and video acquisition device, its characterized in that: also comprises a calibration device and an acoustic-video synthesis device; the acoustic acquisition device and the video acquisition device are respectively provided with a height measurement device, an angle measurement device and a distance measurement device, the height measurement device, the angle measurement device and the distance measurement device on the acoustic acquisition device respectively send height data and angle data of the acoustic acquisition device and distance data from the acoustic acquisition device to a reference point to the calibration device, the height measurement device, the angle measurement device and the distance measurement device on the video acquisition device respectively send the height data and the angle data of the video acquisition device and the distance data from the video acquisition device to the reference point to the calibration device, the acoustic acquisition device sends acquired acoustic signals to the calibration device, the video acquisition device sends acquired video signals to the calibration device, the calibration device outputs the calibrated acoustic signals and video signals to the acoustic-video synthesis device after calibration, the acoustic-video synthesizing device synthesizes the calibrated acoustic signal and the video signal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920625762.9U CN209962410U (en) | 2019-05-05 | 2019-05-05 | Car detection equipment that whistles |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920625762.9U CN209962410U (en) | 2019-05-05 | 2019-05-05 | Car detection equipment that whistles |
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| CN209962410U true CN209962410U (en) | 2020-01-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110009916A (en) * | 2019-05-05 | 2019-07-12 | 江苏聆世科技有限公司 | Vehicle whistle detection device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110009916A (en) * | 2019-05-05 | 2019-07-12 | 江苏聆世科技有限公司 | Vehicle whistle detection device and method |
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