CN110062322A - A method of architectural acoustics test is carried out with rotatable microphone holder system - Google Patents
A method of architectural acoustics test is carried out with rotatable microphone holder system Download PDFInfo
- Publication number
- CN110062322A CN110062322A CN201910384427.9A CN201910384427A CN110062322A CN 110062322 A CN110062322 A CN 110062322A CN 201910384427 A CN201910384427 A CN 201910384427A CN 110062322 A CN110062322 A CN 110062322A
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- CN
- China
- Prior art keywords
- rotatable
- microphone holder
- holder system
- sound source
- rotatable microphone
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/05—Detection of connection of loudspeakers or headphones to amplifiers
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a kind of methods for carrying out architectural acoustics test with rotatable microphone holder system, it is characterized in that, volume in sound source room, receiving chamber is acquired respectively using rotatable Mike's support system first, then collected volume data are transferred to the indoor analytical equipment of control, are handled to obtain acoustical behavior related data by analytical equipment.By the above-mentioned means, test method of the present invention is simple and easy to control, it can be improved detection efficiency, reduce testing cost, while can also improve detection accuracy.
Description
Technical field
The present invention relates to architectural acoustics testing fields, carry out more particularly to a kind of with rotatable microphone holder system
The method of architectural acoustics test.
Background technique
In architectural acoustics testing field, in order to be averaged as far as possible to spatial-acoustic characteristic, need using microphone to building
It builds indoor different location and carries out multiple volume acquisition, existing detection method is usually using a microphone to indoor different location
Volume acquisition is carried out respectively, or is placed indoors using the array being made of multiple microphones, to complete to indoor multiple
The volume of position acquires.Above two mode all have the defects that it is certain, such as using a microphone multiple measurement positions indoors
It sets when being acquired, needs in advance to position indoor each test point, after the volume of one position of every acquisition, need wheat
Gram wind is moved to next position, so that labour is larger, while also considerably increasing detection time；Such as use multiple microphones
The array of composition is acquired, and each microphone in display will individually be connect with PC data processing system, so that system is multiple
Miscellaneous degree is high, at high cost.Therefore a kind of new test method of demand solves the problems, such as that existing test exists.
Summary of the invention
Building sound is carried out with rotatable microphone holder system the invention mainly solves the technical problem of providing a kind of
The method for learning test, testing cost is low, high-efficient, and measuring accuracy is high.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: it provides a kind of with rotatable Mike
The method that wind support system carries out architectural acoustics test, first using rotatable Mike's support system respectively to sound source room, reception
Indoor volume is acquired, and collected volume data is then transferred to the indoor analytical equipment of control, by analytical equipment
Reason obtains acoustical behavior related data；
The rotatable microphone holder system includes: rotating electric machine, T-type frame, microphone, tripod, the rotating electric machine
Axle sleeve is installed, the lower end of the T-type frame is fixed in the axle sleeve, enables the T-type frame and the output on output shaft
Axis synchronous rotary, the microphone are fixed on the T-type frame, the tripod and the control box shell for installing the rotating electric machine
The lower end of body is fixedly connected, and PLC controller, the PLC controller and the electric rotating are also equipped in the control box housing
Machine is electrically connected；
Rotatable Mike's support system is individually positioned in the sound source room and receiving chamber, controls institute by PLC controller
The output shaft rotation of rotating electric machine is stated, and then the T-type frame and microphone is driven to be rotated by 360 °, is completed to sound source room, receiving chamber
The volume data of interior multiple points acquire.
In a preferred embodiment of the present invention, described to carry out architectural acoustics test with rotatable microphone holder system
Method, include the following steps:
1) equipment is installed, places dodecahedron loudspeaker in sound source room, is being no less than (1+ apart from the dodecahedron loudspeaker
0.7) the rotatable microphone holder system is placed in m, the position for being no less than away from construction wall (1+0.7) m, in receiving chamber distance
Also a set of rotatable microphone holder system is placed in the position that construction wall is no less than (1+0.7) m；
2) start to test, open dodecahedron loudspeaker, and unlatching simultaneously is located at sound source room, indoor two sets of reception can revolve
Turn microphone holder system, two sets of rotatable microphone holder systems start simultaneously at rotation, respectively to sound source room, receiving chamber
The volume of interior multiple points acquires；
3) data processing show that testing result, above-mentioned two sets of rotatable microphone holder systems respectively pass the collected volume of institute
It transports to be located at and controls indoor analytical equipment, output acoustical behavior related data is calculated by analytical equipment.
In a preferred embodiment of the present invention, the time control that the rotatable microphone holder system is rotated by 360 ° exists
15s。
In a preferred embodiment of the present invention, after the completion of step 1), step 2, thus it is possible to vary dodecahedron in step 1)
The position of rotatable microphone holder system is divided again in the position and step 2 of loudspeaker and rotatable microphone holder system
It carry out not a volume acquisition.
The beneficial effects of the present invention are: the present invention carries out architectural acoustics test using rotatable microphone holder system, it should
System structure is rationally compact, easy to operate, can avoid repeating multipoint acquisition bring inconvenience using a microphone, also can
The defects of test system structure that microphone array constructs is complicated, operating cost is high is reduced, detection method can be improved
Detection efficiency reduces testing cost, while can also improve detection accuracy.
Detailed description of the invention
Fig. 1 is that the present invention is a kind of to carry out used by the method for architectural acoustics test with rotatable microphone holder system
The structural schematic diagram of rotatable microphone holder system；
The components in the drawings are labeled as follows: 1, rotating electric machine, 11, output shaft, 2, T-type frame, 3, microphone, 4, tripod, 5,
Axle sleeve, 6, PLC controller.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Referring to Fig. 1, the embodiment of the present invention includes:
A method of architectural acoustics test being carried out with rotatable microphone holder system, uses rotatable Mike's bracket first
System is respectively acquired volume in sound source room, receiving chamber, and it is indoor that collected volume data are then transferred to control
Analytical equipment is handled to obtain acoustical behavior related data by analytical equipment；
The rotatable microphone holder system includes: rotating electric machine 1, T-type frame 2, microphone 3, tripod 4, the electric rotating
Axle sleeve 5 is installed, the lower end of the T-type frame 2 is fixed in the axle sleeve 5, enables the T-type frame 2 on the output shaft 11 of machine 1
With 11 synchronous rotary of output shaft, the microphone 3 is fixed on the T-type frame 2, the tripod 4 and the installation rotation
The lower end of the control box housing of rotating motor 1 is fixedly connected, and PLC controller 6, the PLC are also equipped in the control box housing
Controller 6 and the rotating electric machine 1 are electrically connected, and are rotated for controlling the rotating electric machine 1；
The method for carrying out architectural acoustics test with rotatable microphone holder system, includes the following steps:
1) equipment is installed, dodecahedron loudspeaker is placed in sound source room, is being no less than (1+ apart from the dodecahedron loudspeaker
0.7) the rotatable microphone holder system is placed in m, the position for being no less than away from construction wall (1+0.7) m, in receiving chamber away from
A set of rotatable microphone holder system is also placed from the position that construction wall is no less than (1+0.7) m；
2) start to test, open dodecahedron loudspeaker, and unlatching simultaneously is located at sound source room, indoor two sets of reception can revolve
Turn microphone holder system, two sets of rotatable microphone holder systems start simultaneously at rotation, respectively to sound source room, receiving chamber
The volume of interior multiple points acquires；
3) data processing show that testing result, above-mentioned two sets of rotatable microphone holder systems respectively pass the collected volume of institute
It transports to be located at and controls indoor analytical equipment, output acoustical behavior related data is calculated by analytical equipment.
Wherein, the time that the rotatable microphone holder system is rotated by 360 ° controls in 15s.
In order to improve measuring accuracy, step 1), step 2 can be repeated, changes the step dodecahedron loudspeaking in 1) when repeating
In the position and step 2 of device and rotatable microphone holder system the position of rotatable microphone holder system again respectively into
Volume acquisition of row.
In conclusion the present invention carries out architectural acoustics test using rotatable microphone holder system, and it is easy to operate, it can keep away
Exempt to repeat multipoint acquisition bring inconvenience using a microphone, also can be reduced the test macro knot of microphone array building
The defects of structure is complicated, operating cost is high, detection method can be improved detection efficiency, reduce testing cost, while also can
Improve detection accuracy.
In the description of the present invention, it should be noted that the instruction such as term " on ", "lower", "left", "right", "inner", "outside"
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when usually put
Orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning
Or element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, and comes for those skilled in the art
It says, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any modification, equivalent
Replacement, improvement etc., should all be included in the protection scope of the present invention.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (4)
1. a kind of method for carrying out architectural acoustics test with rotatable microphone holder system, which is characterized in that use first
Rotatable Mike's support system is respectively acquired volume in sound source room, receiving chamber, then passes collected volume data
Defeated arrive controls indoor analytical equipment, is handled to obtain acoustical behavior related data by analytical equipment；
The rotatable microphone holder system includes: rotating electric machine, T-type frame, microphone, tripod, the rotating electric machine
Axle sleeve is installed, the lower end of the T-type frame is fixed in the axle sleeve, enables the T-type frame and the output on output shaft
Axis synchronous rotary, the microphone are fixed on the T-type frame, the tripod and the control box shell for installing the rotating electric machine
The lower end of body is fixedly connected, and PLC controller, the PLC controller and the electric rotating are also equipped in the control box housing
Machine is electrically connected；
Rotatable Mike's support system is individually positioned in the sound source room and receiving chamber, controls institute by PLC controller
The output shaft rotation of rotating electric machine is stated, and then the T-type frame and microphone is driven to be rotated by 360 °, is completed to sound source room, receiving chamber
The volume data of interior multiple points acquire.
2. the method according to claim 1 for carrying out architectural acoustics test with rotatable microphone holder system, special
Sign is, includes the following steps:
1) equipment is installed, places dodecahedron loudspeaker in sound source room, is being no less than (1+ apart from the dodecahedron loudspeaker
0.7) the rotatable microphone holder system is placed in m, the position for being no less than away from construction wall (1+0.7) m, in receiving chamber distance
Also a set of rotatable microphone holder system is placed in the position that construction wall is no less than (1+0.7) m；
2) start to test, open dodecahedron loudspeaker, and unlatching simultaneously is located at sound source room, indoor two sets of reception can revolve
Turn microphone holder system, two sets of rotatable microphone holder systems start simultaneously at rotation, respectively to sound source room, receiving chamber
The volume acquisition of interior rotation covering surface；
3) data processing show that testing result, above-mentioned two sets of rotatable microphone holder systems respectively pass the collected volume of institute
It transports to be located at and controls indoor analytical equipment, output acoustical behavior related data is calculated by analytical equipment.
3. the method according to claim 2 for carrying out architectural acoustics test with rotatable microphone holder system, special
Sign is that the time that the rotatable microphone holder system is rotated by 360 ° controls in no less than 15s.
4. the method according to claim 2 for carrying out architectural acoustics test with rotatable microphone holder system, special
Sign is, after the completion of step 1), step 2, thus it is possible to vary dodecahedron loudspeaker and rotatable microphone holder system in step 1)
The position of rotatable microphone holder system carries out a volume acquisition respectively again in the position of system and step 2.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910384427.9A CN110062322A (en) | 2019-05-09 | 2019-05-09 | A method of architectural acoustics test is carried out with rotatable microphone holder system |
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| CN201910384427.9A CN110062322A (en) | 2019-05-09 | 2019-05-09 | A method of architectural acoustics test is carried out with rotatable microphone holder system |
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| CN110062322A true CN110062322A (en) | 2019-07-26 |
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| CN201910384427.9A Pending CN110062322A (en) | 2019-05-09 | 2019-05-09 | A method of architectural acoustics test is carried out with rotatable microphone holder system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110648662A (en) * | 2019-09-24 | 2020-01-03 | 百度在线网络技术（北京）有限公司 | Equipment detection method, equipment hardware structure optimization method and device |
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Application publication date: 20190726 |
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