CN102707260A - Sound positioning signal sensor - Google Patents
Sound positioning signal sensor Download PDFInfo
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- CN102707260A CN102707260A CN2012100415547A CN201210041554A CN102707260A CN 102707260 A CN102707260 A CN 102707260A CN 2012100415547 A CN2012100415547 A CN 2012100415547A CN 201210041554 A CN201210041554 A CN 201210041554A CN 102707260 A CN102707260 A CN 102707260A
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Abstract
The invention relates to a sound positioning signal sensor which comprises a sound source scanning processing circuit and multiple sound wave receivers which are disposed on the periphery of the sound source scanning processing circuit. An output end of each sound wave receiver is connected to a sound wave processing circuit. Each sound wave receiver is connected is connected with the sound source scanning processing circuit through the sound wave processing circuit. By disposing the multiple sound wave receivers in different directions of the sound source scanning processing circuit, positioning accuracy of a sound source is enhance greatly and overall performance of the sound positioning signal sensor is improved. In addition, the sound positioning signal sensor is higher in accuracy, simpler in structure and lower in cost.
Description
Technical field
What the present invention relates to is a kind of positioning signal sensor, and what be specifically related to is a kind of sound localization signal transducer.
Background technology
The location is to confirm the position of mobile object in coordinate system and the attitude of itself; Location technology can be divided into absolute fix technology and relative positioning technology; Corresponding sensor also is divided into absolute fix sensor and relative positioning sensor, and this alignment sensor is mainly used in autonomous type mobile devices such as space lunar rover, autonomous driving vehicle, mobile robot and portable cleaning equipment.And the source of sound location technology has important use in fields such as video conference, speech recognition and Speaker Identification, target localization and auditory prosthesises.The sound transducer array is compared single sound transducer; More advantage is arranged; It can aim at source of sound and not need artificial mobile sound transducer with the mode of electronics aiming; Remedy the deficiency of single sound transducer, have a wide range of applications at aspects such as noise processed and source of sound location.It differentiates sound source position through an audio sensor and have the source of sound alignment sensor now, and its cost of manufacture is high, and bearing accuracy is low, and poor stability is difficult to guarantee mobile robot and the portable position of cleaning definite source of sound, has reduced the performance of robot.
Summary of the invention
To the deficiency that exists on the prior art, the present invention seeks to be the sound localization signal transducer that a kind of precision is higher, structure is simpler, cost is lower is provided, improved the overall performance of sensor.
To achieve these goals, the present invention realizes through following technical scheme:
The sound localization signal transducer; It is characterized in that; It comprises source of sound scan process circuit and a plurality of source of sound scan process circuit acoustic receiver all around that is arranged on; Be connected with the sonicated circuit on the output terminal of said acoustic receiver, a plurality of said acoustic receivers are connected with source of sound scan process circuit through the sonicated circuit respectively.
According to above-mentioned sound localization signal transducer; Wherein, Said acoustic receiver is provided with four, and is separately positioned on the source of sound scan process circuit four direction, and it is respectively first acoustic receiver, second acoustic receiver, the 3rd acoustic receiver and fourth sound ripple receiver; Said sonicated circuit is provided with four, and it is respectively the first sonicated circuit, second sound sonicated circuit, the 3rd sonicated circuit and fourth sound ripple treatment circuit; The output terminal of said first acoustic receiver, second acoustic receiver, the 3rd acoustic receiver and fourth sound ripple receiver is connected the input end of the first sonicated circuit, second sound sonicated circuit, the 3rd sonicated circuit and fourth sound ripple treatment circuit respectively, and the output terminal of the said first sonicated circuit, second sound sonicated circuit, the 3rd sonicated circuit and fourth sound ripple treatment circuit is connected described source of sound scan process circuit.
According to above-mentioned sound localization signal transducer, wherein, what said first acoustic receiver, second acoustic receiver, the 3rd acoustic receiver and fourth sound ripple receiver all adopted is sound transducer, i.e. microphone.
According to above-mentioned sound localization signal transducer, wherein, what the said first sonicated circuit, second sound sonicated circuit, the 3rd sonicated circuit and fourth sound ripple treatment circuit all adopted is the LM386 power amplifier integrate circuit.
According to above-mentioned sound localization signal transducer, wherein, what said source of sound scan process circuit adopted is the AT89C2051 chip processor.
According to above-mentioned sound localization signal transducer, wherein, said LM386 power amplifier integrate circuit also is connected with the adjustable resistance that is used to regulate sound transducer, regulates the sensitivity of four sound transducers.
The present invention is through being provided with a plurality of acoustic receivers; Be arranged on the different direction of source of sound scan process circuit; Improved the setting accuracy of source of sound greatly, it has, and precision is higher, structure more letter, advantage that cost is lower, has improved the overall performance of sound localization signal transducer.
Description of drawings
Specify the present invention below in conjunction with accompanying drawing and embodiment;
Fig. 1 is a module diagram of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with embodiment, further set forth the present invention.
Referring to Fig. 1; Present embodiment provides a kind of sound localization signal transducer of just accurately judging sound source position in the robot that is contained in; It comprises source of sound scan process circuit and is arranged on source of sound scan process circuit acoustic receiver all around; This acoustic receiver is provided with four, and is separately positioned on the source of sound scan process circuit four direction, and it is respectively first acoustic receiver, second acoustic receiver, the 3rd acoustic receiver and fourth sound ripple receiver; This sonicated circuit is provided with four, and it is respectively the first sonicated circuit, second sound sonicated circuit, the 3rd sonicated circuit and fourth sound ripple treatment circuit; The output terminal of said first acoustic receiver, second acoustic receiver, the 3rd acoustic receiver and fourth sound ripple receiver is connected the input end of the first sonicated circuit, second sound sonicated circuit, the 3rd sonicated circuit and fourth sound ripple treatment circuit respectively, and the output terminal of the said first sonicated circuit, second sound sonicated circuit, the 3rd sonicated circuit and fourth sound ripple treatment circuit is connected described source of sound scan process circuit.
In the present embodiment, what first acoustic receiver, second acoustic receiver, the 3rd acoustic receiver and fourth sound ripple receiver all adopted is sound transducer, i.e. microphone, and that this microphone adopts is post pole body Mike.What the first sonicated circuit of present embodiment, second sound sonicated circuit, the 3rd sonicated circuit and fourth sound ripple treatment circuit all adopted is the LM386 power amplifier integrate circuit, and the circuit of four LM386 power amplifier integrate circuits is the same; What in addition, source of sound scan process circuit adopted is the AT89C2051 chip processor.
For ease of using, the LM386 power amplifier integrate circuit of this enforcement also can connect the adjustable resistance that is used to regulate sound transducer, regulates the sensitivity of four sound transducers.
Referring to Fig. 1; When source of sound scan process circuit under the situation of high-velocity scanning first to fourth acoustic receiver, send sound wave near source of sound moment of second receiver and around source of sound scan process circuit, scatter, at this moment; Receive sound wave at first from the second nearest acoustic receiver of source of sound; And the time that receives sound wave is far smaller than the time of reception of other sonic sensors, thereby scans when source of sound scan process circuit and in time to get into the time-delay circulation behind the acoustic signals of second sensor and close scanning, definite then sound source position; It has shortened time of reception, has guaranteed the degree of accuracy of location.
The present invention is through being provided with a plurality of acoustic receivers; Be arranged on the different direction of source of sound scan process circuit; Improved the setting accuracy of source of sound greatly, it has, and precision is higher, structure more letter, advantage that cost is lower, has improved the overall performance of sound localization signal transducer.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the instructions just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (6)
1. sound localization signal transducer; It is characterized in that; It comprises source of sound scan process circuit and a plurality of source of sound scan process circuit acoustic receiver all around that is arranged on; Be connected with the sonicated circuit on the output terminal of said acoustic receiver, a plurality of said acoustic receivers are connected with source of sound scan process circuit through the sonicated circuit respectively.
2. sound localization signal transducer according to claim 1; It is characterized in that; Said acoustic receiver is provided with four; And be separately positioned on the source of sound scan process circuit four direction, it is respectively first acoustic receiver, second acoustic receiver, the 3rd acoustic receiver and fourth sound ripple receiver; Said sonicated circuit is provided with four, and it is respectively the first sonicated circuit, second sound sonicated circuit, the 3rd sonicated circuit and fourth sound ripple treatment circuit; The output terminal of said first acoustic receiver, second acoustic receiver, the 3rd acoustic receiver and fourth sound ripple receiver is connected the input end of the first sonicated circuit, second sound sonicated circuit, the 3rd sonicated circuit and fourth sound ripple treatment circuit respectively, and the output terminal of the said first sonicated circuit, second sound sonicated circuit, the 3rd sonicated circuit and fourth sound ripple treatment circuit is connected described source of sound scan process circuit.
3. sound localization signal transducer according to claim 2 is characterized in that, what said first acoustic receiver, second acoustic receiver, the 3rd acoustic receiver and fourth sound ripple receiver all adopted is sound transducer.
4. sound localization signal transducer according to claim 3 is characterized in that, what the said first sonicated circuit, second sound sonicated circuit, the 3rd sonicated circuit and fourth sound ripple treatment circuit all adopted is the LM386 power amplifier integrate circuit.
5. according to claim 1 or 4 described sound localization signal transducers, it is characterized in that what said source of sound scan process circuit adopted is the AT89C2051 chip processor.
6. according to claim 1 or 4 described sound localization signal transducers, it is characterized in that said LM386 power amplifier integrate circuit also is connected with the adjustable resistance that is used to regulate sound transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100415547A CN102707260A (en) | 2012-02-23 | 2012-02-23 | Sound positioning signal sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100415547A CN102707260A (en) | 2012-02-23 | 2012-02-23 | Sound positioning signal sensor |
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| CN2012100415547A Pending CN102707260A (en) | 2012-02-23 | 2012-02-23 | Sound positioning signal sensor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105094136A (en) * | 2015-09-14 | 2015-11-25 | 桂林电子科技大学 | Adaptive microphone array sound positioning rescue robot and using method thereof |
| CN105387930A (en) * | 2015-10-30 | 2016-03-09 | 芜湖恒隆汽车转向系统有限公司 | Steering gear abnormal sound detection method |
| CN107067518A (en) * | 2017-05-08 | 2017-08-18 | 重庆中商科技股份有限公司 | Intelligent positioning enabling control system and method |
| US9830810B2 (en) | 2014-12-23 | 2017-11-28 | Asustek Computer Inc. | Infrared control system and operation method thereof |
| CN108231075A (en) * | 2017-12-29 | 2018-06-29 | 北京视觉世界科技有限公司 | Control method, device, equipment and the storage medium of cleaning equipment |
| CN108924469A (en) * | 2018-08-01 | 2018-11-30 | 广州视源电子科技股份有限公司 | A kind of display screen switching Transmission system, intelligent interaction plate and method |
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| CN101295016A (en) * | 2008-06-13 | 2008-10-29 | 河北工业大学 | Sound source independent searching and locating method |
| US20090107243A1 (en) * | 2005-03-01 | 2009-04-30 | Denso Corporation | Ultrasonic sensor having transmission device and reception device of ultrasonic wave |
| CN101957442A (en) * | 2010-06-04 | 2011-01-26 | 河北工业大学 | Sound source positioning device |
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| US20090107243A1 (en) * | 2005-03-01 | 2009-04-30 | Denso Corporation | Ultrasonic sensor having transmission device and reception device of ultrasonic wave |
| CN101029931A (en) * | 2007-01-24 | 2007-09-05 | 广东威创日新电子有限公司 | Ultrasonic positioner and its positioning method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9830810B2 (en) | 2014-12-23 | 2017-11-28 | Asustek Computer Inc. | Infrared control system and operation method thereof |
| CN105094136A (en) * | 2015-09-14 | 2015-11-25 | 桂林电子科技大学 | Adaptive microphone array sound positioning rescue robot and using method thereof |
| CN105094136B (en) * | 2015-09-14 | 2017-09-01 | 桂林电子科技大学 | The sound positioning rescue robot and its application method of adaptive microphone array |
| CN105387930A (en) * | 2015-10-30 | 2016-03-09 | 芜湖恒隆汽车转向系统有限公司 | Steering gear abnormal sound detection method |
| CN107067518A (en) * | 2017-05-08 | 2017-08-18 | 重庆中商科技股份有限公司 | Intelligent positioning enabling control system and method |
| CN108231075A (en) * | 2017-12-29 | 2018-06-29 | 北京视觉世界科技有限公司 | Control method, device, equipment and the storage medium of cleaning equipment |
| CN108924469A (en) * | 2018-08-01 | 2018-11-30 | 广州视源电子科技股份有限公司 | A kind of display screen switching Transmission system, intelligent interaction plate and method |
| CN108924469B (en) * | 2018-08-01 | 2020-11-10 | 广州视源电子科技股份有限公司 | Display picture switching transmission system, intelligent interactive panel and method |
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Application publication date: 20121003 |