CN106197652A - Utilize omnirange acoustical camera and the omnirange sound visualization device of MEMS sound transducer - Google Patents
Utilize omnirange acoustical camera and the omnirange sound visualization device of MEMS sound transducer Download PDFInfo
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- CN106197652A CN106197652A CN201610507423.1A CN201610507423A CN106197652A CN 106197652 A CN106197652 A CN 106197652A CN 201610507423 A CN201610507423 A CN 201610507423A CN 106197652 A CN106197652 A CN 106197652A
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- omnirange
- sound
- annular solid
- mems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
A kind of omnirange acoustical camera utilizing MEMS sound transducer, including: annular solid 10, it is being internally formed hollow bulb；MEMS perception of sound sensor 20, it is exposed to described annular solid 10 and separates configuration outwardly；Acoustical signal collecting board 30, it is electrically connected respectively with described MEMS perception of sound sensor 20, is built in the hollow bulb of described annular solid 10；Omnidirectional reflection 40, it is fixed on a upper lateral part of described annular solid 10 separatedly；Taking lens 50, it is fixed on a upper lateral part of described annular solid 10, shoots the optical image irradiated in described reflecting mirror 40 with upwards exposing.
Description
Technical field
The present invention relates to a kind of measurement and analyze the sound field occurred in omnidirectional images region, can in real time coverage map image pattern
Depending on the sound field changed, and it is shown in the omnirange acoustical camera utilizing MEMS sound transducer and the omnirange sound of display device
Visualization device.
Background technology
Acoustical camera, as making visual most advanced and sophisticated measurement of sound equip, is multi-media information communication equipment, household electrical appliances, vapour
The new technical equipment of the field needs that car, building etc. are various.
As shown in Fig. 1 of conventional art, the registered patent that present invention applicant holds the 10-1213539th ((strain)
SM instrument) a kind of perception of sound device utilizing MEMS microphone array is disclosed, multiple MEMS microphone are equipped on printing electricity
Road plate (Print Circuit Board) and constitute, and described MEMS microphone have to radial direction expansion 2～10 leaves
Sheet portion.
As shown in Fig. 2 of conventional art, the registered patent that applicant of the present invention holds the 10-1471299th
((strain) SM instrument) open a kind of portable acoustical camera, including: front main body, it is for the perception of sound portion of MEMS microphone
Configure towards front；MEMS microphone, it, when being fixed on substrate (substrate), exposes for perception of sound portion
In described front main body；Substrate, it installs additional for described MEMS microphone；Filming image portion, its for taking lens by before described
The camera aperture of side's main body is exposed；Rear main body, it is when described substrate is positioned at the trailing flank of described front main body, surrounds
The rear side of described substrate and the rear side in filming image portion；Described MEMS microphone is formed to radial direction with straight line or curve or spiral shell
2～30 blade parts of rotation shape expansion, separate on a described blade part (W) and are arranged with 2～50 MEMS microphone, also
The handle portion rearward protruded under the state being included in edge or the rear main body being fixed on described front main body.
As it was previously stated, microphone array Wave beam forming (Microphone Array Beamformer) is as noise source position
Put one of the method for verifying, be to utilize multiple microphone sensor to measure the sound wave that noise source occurs, by the signal processing to it,
Make distribution visualization method as photo of noise source.The mode used is the spy of the signal received according to each mike
Property, reconstruct as transmitting, specific, the signal that position occurs, measure its acoustic pressure size, the sound pressure level measured is illustrated as space
On distribution, measure noise source position.Although the measurement skill and technique of acoustical camera is entered for the research purpose of special dimension
Go exploitation, but owing to the advantage of distribution of noise sources can be confirmed intuitively, thus expanding each field of the industry of being applied to
The research/development stage.
Summary of the invention
(solving the technical problem that)
It is desirable to provide a kind of measurement analyzes the sound field occurred in omnidirectional images region, real time coverage map image pattern
In visual sound field, and be shown in the omnirange acoustical camera utilizing MEMS sound transducer and the omnirange of display device
Sound visualization device.
(solving the means of problem)
A kind of omnirange acoustical camera utilizing MEMS sound transducer, including:
Annular solid 10, it is being internally formed hollow bulb；
MEMS perception of sound sensor 20, it is exposed to described annular solid 10 surface and separates configuration；
Acoustical signal collecting board 30, it is electrically connected respectively with described MEMS perception of sound sensor 20, is built in described
The hollow bulb of annular solid 10；
Omnidirectional reflection 40, it is fixed on a upper lateral part of described annular solid 10 separatedly；
Taking lens 50, it is fixed on a upper lateral part of described annular solid 10, shoots described reflecting mirror 40 with upwards exposing
The optical image of middle irradiation.
(invention effect)
According to the present invention, it is provided that a kind of measurement analyzes the sound field occurred in omnidirectional images region, real time coverage map picture figure
Visual sound field in shape, and be shown in display device the omnirange acoustical camera utilizing MEMS sound transducer and full side
To sound visualization device.
Accompanying drawing explanation
Fig. 1, Fig. 2 are conventional art acoustical camera.
Fig. 3 is the omnirange acoustical camera axonometric chart utilizing MEM sound transducer of the present invention.
Fig. 4 is the omnirange acoustical camera front view utilizing MEMS sound transducer of the present invention.
Fig. 5 is the omnirange acoustical camera filming apparatus exploded perspective view utilizing MEMS sound transducer of the present invention.
Fig. 6 is that the filming apparatus of the present invention is schemed in detail.
Fig. 7 is the omnirange sound visualization device pie graph utilizing MEMS sound transducer of the present invention.
Symbol description
10: annular solid
20:MEMS perception of sound sensor
40: omnidirectional reflection
50: taking lens
60: acoustical signal sending part
70: sound processing section
80: image processing part
90: display device portion
Detailed description of the invention
With reference to the accompanying drawings, one embodiment of the invention is utilized the omnirange acoustical camera of MEMS sound transducer
And omnirange sound visualization device is described in detail.Fig. 3 is the omnirange sound utilizing MEMS sound transducer of the present invention
Learning photographing unit axonometric chart, Fig. 4 is the omnirange acoustical camera front view utilizing MEMS sound transducer of the present invention, and Fig. 5 is
The omnirange acoustical camera filming apparatus exploded perspective view utilizing MEMS sound transducer of the present invention, Fig. 6 is the present invention
Filming apparatus is schemed in detail, and Fig. 7 is the omnirange sound visualization device pie graph utilizing MEMS sound transducer of the present invention.
As shown in Fig. 3 to Fig. 7, what the acoustical camera of the present invention included utilizing reflecting mirror and taking lens can carry out full side
To shooting an optical shooter and be arranged to carry out multiple MEMS perception of sound devices of omnirange perception of sound
Constitute.
As shown in Fig. 3 to Fig. 7, the omnirange acoustical camera utilizing MEMS sound transducer of the present invention includes: annular
Body 10, it is being internally formed hollow bulb；MEMS perception of sound sensor 20, it is exposed to described annular solid 10 surface and separates
Configuration；Acoustical signal collecting board 30, it is electrically connected respectively with described MEMS perception of sound sensor 20, is built in described annular
The hollow bulb of body 10；Omnidirectional reflection 40, it is fixed on a upper lateral part of described annular solid 10 separatedly；Taking lens 50,
It is fixed on a upper lateral part of described annular solid 10 with upwards exposing, and shoots the optical image irradiated in described reflecting mirror 40.
As shown in Fig. 3 to Fig. 7, in the omnirange acoustical camera utilizing MEMS sound transducer of the present invention, preferably
Omnidirectional reflection 40 reflects 360 degree of images, up and down 90～150 degree of images of reflection to side, it is highly preferred that reflect 110 up and down
～130 degree of images.The centrage of image reflection angle is horizontal line up and down.
As shown in Fig. 3 to Fig. 7, in the omnirange acoustical camera utilizing MEMS sound transducer of the present invention, preferably
Omnidirectional reflection 40 is shape wide at the top and narrow at the bottom, is the most downward more narrow cone shape.Preferred orientations reflecting mirror 40 lower end energy
Releasably it is fixed on described annular solid 10 top, by the mirror fixing device upwards extended, is fixed on annular solid 10 separatedly.
As shown in Figure 6, preferably mirror fixing device includes: bottom fixed part 51, and it is being fixed on described annular solid 10 top
Center there is peristome；Vertically fixed mount 53, it is fixed on bottom fixed part 51, described entirely with the state support upwards extended
Direction reflecting mirror 40；Hookup mechanism 55, its bottom fixed part 51 is fixed on described annular solid 10 top.
The omnirange sound visualization device utilizing MEMS sound transducer of the present invention includes: annular solid 10, including it
Portion is formed with hollow bulb；MEMS perception of sound sensor 20, it is exposed to annular solid 10 surface and separates configuration；Acoustical signal is received
Collection plate 30, it is electrically connected respectively with MEMS perception of sound sensor 20, is built in the hollow bulb of described annular solid 10；Omnirange
Reflecting mirror 40, it is fixed on a upper lateral part of annular solid 10 separatedly.It addition, also include: taking lens 50, it upwards exposes ground
It is fixed on a upper lateral part of annular solid 10, shoots the optical image irradiated in described reflecting mirror 40；Sound processing section 60, itself and sound
Tone signal collecting board 30 connects, and based on the signal about the sound received, calculates omnirange sound field；Image processing part 70,
It processes the optical signalling generated by taking lens 50, generates omnirange panoramic picture；Display device portion 80, it makes from sound
The omnirange sound field that process portion 60 transmits and the omnidirectional images transmitted from described image processing part 70 are same on location and time
Walk and cover.
The treatment technology of the known acoustical signal collected by sound transducer and passing through before the present patent application day
The optical signal processing technology that taking lens obtains, is considered as being recorded in the description of the present invention.Acoustical signal collecting board 30 is permissible
Including the collection of signal, amplification, digitizing function.
The preferred embodiment that the present invention mentions the most above is illustrated, but the scope of the present invention is not limited to this reality
Executing example, the scope of the present invention determines according to claims below, various including belong to equivalency range of the present invention
Revision and deformation.
It is pointed out that the reference numeral described in claims below is provided purely for the understanding of auxiliary invention,
Do not affect the explanation of interest field, must not reference numeral historically, constriction explains interest field.
Claims (7)
1. the omnirange acoustical camera utilizing MEMS sound transducer, it is characterised in that
Carry out an optical shooter of omnirange shooting including utilizing reflecting mirror and taking lens and be arranged to for carrying out
Multiple MEMS perception of sound devices of omnirange perception of sound.
2. the omnirange acoustical camera utilizing MEMS sound transducer, it is characterised in that including:
Annular solid (10), it is being internally formed hollow bulb；
MEMS perception of sound sensor (20), it is exposed to described annular solid (10) surface and separates configuration；
Acoustical signal collecting board (30), it is electrically connected respectively with described MEMS perception of sound sensor (20), is built in described
The hollow bulb of annular solid (10)；
Omnidirectional reflection (40), it is fixed on a upper lateral part of described annular solid (10) separatedly；
Taking lens (50), it is fixed on a upper lateral part of described annular solid (10), shoots described reflecting mirror with upwards exposing
(40) optical image irradiated in.
The omnirange acoustical camera utilizing MEMS sound transducer the most according to claim 2, it is characterised in that
Described omnidirectional reflection (40) reflects 360 degree of images, up and down 90～150 degree of images of reflection to side.
The omnirange acoustical camera utilizing MEMS sound transducer the most according to claim 2, it is characterised in that
Described omnidirectional reflection (40) is shape wide at the top and narrow at the bottom, is the most downward more narrow cone shape.
The omnirange acoustical camera utilizing MEMS sound transducer the most according to claim 2, it is characterised in that
Described omnidirectional reflection (40) lower end is detachably secured to described annular solid (10) top, by the mirror upwards extended
Fixing device, is fixed on annular solid (10) separatedly.
The omnirange acoustical camera utilizing MEMS sound transducer the most according to claim 5, it is characterised in that
Described mirror fixing device includes:
Bottom fixed part (51), it has peristome at the center being fixed on described annular solid (10) top,
Vertically fixed mount (53), it is fixed on described bottom fixed part (51), supports described omnirange with the state upwards extended
Reflecting mirror (40),
Hookup mechanism (55), described annular solid (10) top is fixed in its described bottom fixed part (51).
7. the omnirange sound visualization device utilizing MEMS sound transducer, it is characterised in that including:
Annular solid (10), it is being internally formed hollow bulb；
MEMS perception of sound sensor (20), it is exposed to described annular solid (10) surface and separates configuration；
Acoustical signal collecting board (30), it is electrically connected respectively with described MEMS perception of sound sensor (20), is built in described
The hollow bulb of annular solid (10)；
Omnidirectional reflection (40), it is fixed on a upper lateral part of described annular solid (10) separatedly；
Taking lens (50), it is fixed on a upper lateral part of described annular solid (10), shoots described reflecting mirror with upwards exposing
(40) optical image irradiated in；
Sound processing section (60), it is connected with described acoustical signal collecting board (30), based on the signal of the sound received, meter
Calculate omnirange sound field；
Image processing part (70), it is processed the optical signalling generated by described taking lens (50), generates omnirange panorama sketch
Picture；
Display device portion (80), it makes the omnirange sound field transmitted from described sound processing section (60) and from described image processing part
(70) omnidirectional images transmitted synchronizes on location and time and covers.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2015-0126791 | 2015-09-08 | ||
| KR1020150126791A KR101678203B1 (en) | 2015-09-08 | 2015-09-08 | Acoustic Camera |
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| Publication Number | Publication Date |
|---|---|
| CN106197652A true CN106197652A (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610507423.1A Pending CN106197652A (en) | 2015-09-08 | 2016-06-30 | Utilize omnirange acoustical camera and the omnirange sound visualization device of MEMS sound transducer |
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| KR (1) | KR101678203B1 (en) |
| CN (1) | CN106197652A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781557A (en) * | 2020-05-12 | 2020-10-16 | 杭州兆华电子有限公司 | Acoustic camera positioning error correction method based on point sound source |
| CN112739997A (en) * | 2018-07-24 | 2021-04-30 | 弗兰克公司 | Systems and methods for detachable and attachable acoustic imaging sensors |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101956784B1 (en) * | 2017-11-30 | 2019-06-19 | (주)에스엠인스트루먼트 | Acoustic Signal Acquisition Device with Spherical Microphone Array |
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| JPH10160463A (en) * | 1996-12-03 | 1998-06-19 | Gijutsu Kenkyu Kumiai Shinjoho Shiyori Kaihatsu Kiko | Method for detecting position using omnidirectional visual sensor |
| CN2378248Y (en) * | 1999-05-06 | 2000-05-17 | 中国科学院沈阳自动化研究所 | Omnibearing vision sensor carried on vehicle |
| CN101788333A (en) * | 2009-10-14 | 2010-07-28 | 姚福来 | Omnibearing spherical acousto-optic sensor |
| CN103516969A (en) * | 2013-08-23 | 2014-01-15 | Sm器械株式会社 | Movable acoustical camera and manufacturing method |
| CN104883482A (en) * | 2015-05-15 | 2015-09-02 | 萨姆株式会社 | Multi-channel ultrasonic acoustic camera for mechanical state monitoring |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100838239B1 (en) * | 2007-04-17 | 2008-06-17 | (주)에스엠인스트루먼트 | Sound quality display apparatus, sound quality display method, computer readble medium on which sound quality display program is recorded |
| KR20110051962A (en) * | 2009-11-11 | 2011-05-18 | 주식회사 금영 | Camera apparatus for acquiring 360-degree photographing image |
-
2015
- 2015-09-08 KR KR1020150126791A patent/KR101678203B1/en active IP Right Grant
-
2016
- 2016-06-30 CN CN201610507423.1A patent/CN106197652A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160463A (en) * | 1996-12-03 | 1998-06-19 | Gijutsu Kenkyu Kumiai Shinjoho Shiyori Kaihatsu Kiko | Method for detecting position using omnidirectional visual sensor |
| CN2378248Y (en) * | 1999-05-06 | 2000-05-17 | 中国科学院沈阳自动化研究所 | Omnibearing vision sensor carried on vehicle |
| CN101788333A (en) * | 2009-10-14 | 2010-07-28 | 姚福来 | Omnibearing spherical acousto-optic sensor |
| CN103516969A (en) * | 2013-08-23 | 2014-01-15 | Sm器械株式会社 | Movable acoustical camera and manufacturing method |
| CN104883482A (en) * | 2015-05-15 | 2015-09-02 | 萨姆株式会社 | Multi-channel ultrasonic acoustic camera for mechanical state monitoring |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112739997A (en) * | 2018-07-24 | 2021-04-30 | 弗兰克公司 | Systems and methods for detachable and attachable acoustic imaging sensors |
| CN111781557A (en) * | 2020-05-12 | 2020-10-16 | 杭州兆华电子有限公司 | Acoustic camera positioning error correction method based on point sound source |
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| Publication number | Publication date |
|---|---|
| KR101678203B1 (en) | 2016-12-07 |
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Application publication date: 20161207 |