CN201657318U - Acoustic performance testing device - Google Patents
Acoustic performance testing device Download PDFInfo
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- CN201657318U CN201657318U CN2010201164468U CN201020116446U CN201657318U CN 201657318 U CN201657318 U CN 201657318U CN 2010201164468 U CN2010201164468 U CN 2010201164468U CN 201020116446 U CN201020116446 U CN 201020116446U CN 201657318 U CN201657318 U CN 201657318U
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- slide rail
- detected element
- location hole
- rotating shaft
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- 238000012360 testing method Methods 0.000 title claims abstract description 67
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 9
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012956 testing procedure Methods 0.000 description 1
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Abstract
The utility model discloses an acoustic performance testing device, which comprises a rotating device, a sliding device, a component fixing device, a tested component locating device and a sliding rail locking device, wherein the rotating device comprises a rotating shaft; the sliding device comprises a sliding seat fixed at the end of the rotating shaft; the sliding seat is glidingly provided with a sliding rail; the component fixing device is arranged on the sliding rail; the tested component locating device is arranged between the sliding seat and the sliding rail; and the sliding rail locking device locks up the sliding seat and the sliding rail. In the utility model, the rotating device can drive a component to be tested to rotate on the horizontal plane, and the central shaft of the component to be tested and the axes of the rotating shaft are on the same straight line when in test so that the component to be tested is ensured not to move relative to the rotating device when rotating, and the distance between the component to be tested and a sound production source is kept constant; further, the test accuracy is improved and each tested component is accurately moved to a testing position, and thereby, the technical problems of generated displacement and angle error in the testing process are solved and the acoustic performance testing efficiency of the component is improved.
Description
Technical field
The utility model relates to a kind of testing apparatus, relates in particular to a kind of testing apparatus of hot-wire array microphone acoustical behavior.
Background technology
At present, directional microphone need rotate to an angle it and carry out twice or repeatedly test in the test acoustical behavior.
In the operation of reality test, at first operating personnel can carry out the position mark of being convenient to test on the product that contains microphone or microphone and test fixture, during test, mark on the test product is overlapped with mark on the test fixture, carry out the test of an angle, after test is finished, test product and frock are rotated the angle that needs, test again, in the process of rotation, in order to prevent that the relative position between test product and the frock is moved, need operating personnel that test product is rotated to the angle of needs, and mark is overlapped.If do not carry out the manual operation rotation, the relative position of test product and frock can produce skew in automatic process rotatably, causes the deviation of test.In whole test process,, reduced the efficient of test as long as rotation test product and frock just need operating personnel to reorientate according to mark.
The utility model content
Technical problem to be solved in the utility model provides a kind ofly can simplify testing procedure, improves testing efficiency, and can improve a kind of acoustical behavior testing apparatus of test accuracy.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of acoustical behavior testing apparatus comprises: whirligig comprises one rotating shaft;
Carriage comprises the slide that is fixed on described rotating shaft end, is slidingly fitted with slide rail on the described slide;
Component-fixing device is used for fixing detected element, is installed on the described slide rail, and detected element is arranged along the glide direction of described slide rail;
The detected element positioner is arranged between described slide and the described slide rail, and detected element is positioned on the axis of described rotating shaft;
The slide rail locking device is locked described slide and described slide rail.
As further improvement, described detected element positioner comprises:
The slide location hole is arranged on the described slide, the axis of described slide location hole and the dead in line of described rotating shaft;
The slide rail location hole is arranged on the described slide rail, and linearly distributes along described slide rail, and described slide rail location hole has the working position that overlaps with described slide location hole, and the detected element on described coincidence working position is positioned on the axis of described rotating shaft;
Alignment pin is plugged in the described slide rail location hole.
As further improvement, described alignment pin is double makees described slide rail locking device.
As further improvement, described component-fixing device comprises:
Holder is fixedly mounted on the described slide rail;
The element rack is used to carry detected element, is installed on the described holder;
Jockey is arranged between described holder and the described element rack.
As further improvement, described jockey comprises the grafting axle that is arranged on the described holder, and described element rack is provided with and the described corresponding spliced eye of axle of pegging graft.
As further improvement, described component-fixing device comprises that straight line is arranged at least two described alignment pins on the described slide rail, and described alignment pin is fixedly connected with the detected element holder respectively.
As further improvement, described detected element positioner comprises:
Location-plate is arranged on the described slide rail, and described location-plate is provided with the location depression or the location hole of linear array;
Positioning pedestal is fixedly mounted on the described slide, and the location clamping apparatus is installed on the described positioning pedestal.
As further improvement, described location clamping apparatus comprises the place kick that cooperates with described location depression or location hole, place kick also is installed on the described positioning pedestal keeps spring.
As further improvement, described rotating shaft is set to telescopic rotating shaft.
Owing to adopted technique scheme, a kind of acoustical behavior testing apparatus comprises whirligig, comprises one rotating shaft; Carriage comprises the slide that is fixed on described rotating shaft end, is slidingly fitted with slide rail on the described slide; Component-fixing device is used for fixing detected element, is installed on the described slide rail, and detected element is arranged along the glide direction of described slide rail; The detected element positioner is arranged between described slide and the described slide rail, and detected element is positioned on the axis of described rotating shaft; The slide rail locking device is locked described slide and described slide rail; The beneficial effects of the utility model are: during test, whirligig can drive detected element and rotate on horizontal plane, and the detected element positioner can make the axis of the central shaft of detected element and rotating shaft on same straight line, it is mobile that component-fixing device can guarantee that detected element can not produce with respect to whirligig when rotated, thereby guarantee that the distance between detected element and the sound generation source remains unchanged, and then improved accuracy of test, carriage and slide rail locking device can make each detected element move to test position accurately, solve the displacement that produces in the test process and the technical problem of angular error, improved the efficient of element acoustical behavior test.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of the utility model embodiment two;
Fig. 3 is the end view of the utility model embodiment three;
Fig. 4 is the structural representation of the utility model embodiment three;
Detected element and sound generation source installation site schematic diagram when Fig. 5 is the utility model test.
Embodiment
Embodiment one:
As shown in Figure 1, a kind of acoustical behavior testing apparatus, comprise whirligig, whirligig comprises one rotating shaft 1, described rotating shaft 1 is fixedly mounted on (not shown) on the frame, described rotating shaft 1 is set to the rotating shaft of adjustable length, in test detected element acoustical behavior, rotating shaft 1 drives detected element and rotates on same horizontal plane, can finish detection to the detected element multi-angle, rotating shaft 1 can allow the relative position between detected element and the sound generation source not change in the rotation on the same horizontal plane, with the accuracy of guaranteeing to test.
Also comprise carriage, described carriage comprises the slide 2 that is fixed on described rotating shaft 1 end, is slidingly fitted with slide rail 3 on the described slide 2; Component-fixing device is used for fixing detected element 7, is set to a plurality of arrangements and is installed on the described slide rail 3, and detected element 7 is arranged along the glide direction of described slide rail 3; The detected element positioner is arranged between described slide 2 and the described slide rail 3, and detected element 7 is positioned on the axis of described rotating shaft 1; The slide rail locking device is locked described slide 2 and described slide rail 3, after 7 tests of a detected element finish, need unclamp locking device, adjusts slide rail 3 next detected element 7 is locked onto on the axis of described rotating shaft 1 again.
Wherein said detected element positioner comprises slide location hole 4, is arranged on the described slide 2, and the dead in line of the axis of described slide location hole 4 and described rotating shaft 1,4 of described slide location holes are provided with one; Also comprise slide rail location hole 5, be distributed on the described slide rail 3, be set to a plurality of and linearly distribute along described slide rail 3, described slide rail location hole 5 has the working position that overlaps with described slide location hole 4, detected element 7 on described coincidence working position is positioned on the axis of described rotating shaft 1, when detecting all is only to detect the detected element 7 that is fixed on the described coincidence working position at every turn; Alignment pin 11 is plugged in the described slide rail location hole 5, when being positioned at alignment pin 11 on the slide rail 3 and being moved on the slide 2 together with slide rail 3, is positioned at that alignment pin 11 on the slide 2 is double makees described slide rail locking device, and slide rail 3 is fixed on the slide 2.
Described component-fixing device in the present embodiment comprises holder 8, is fixedly mounted on the described slide rail 3, is set to I shape, makes support more firm; Element rack 9, be used to carry detected element 7, be installed on the described holder 8, element rack 9 in the present embodiment is set to linearity, above making detected element 7 linearly shape being arranged in, and detected element 7 is when arranging fixedly, a slide rail location hole 5 on all corresponding corresponding slide rail 3 of each detected element 7, and both deads in line, the location that can when slide rail 3 is fixed, realize detected element 7, even detected element 7, slide location hole 4, the dead in line of slide rail location hole 5 and rotating shaft 1 helps guaranteeing the accuracy of position when detected element 7 is detected; Also comprise jockey, be arranged between described holder 8 and the described element rack 9, described jockey comprises the grafting axle 10 that is arranged on the described holder 8, described element rack 9 is provided with and the corresponding spliced eye (not shown) of the described axle 10 of pegging graft, the axle 10 of will pegging graft passes described spliced eye and is fixed on the holder 8, grafting axle 10 in the present embodiment is set to two at least, and be separately positioned on the two ends of described holder 8, with the stationarity that guarantees that element rack 9 is installed, make it in the test rotary course, can not produce displacement error.
The operation principle of present embodiment is:
As shown in Figure 5, needs according to test are installed in rotating shaft and sound generation source 17 relatively-stationary positions earlier, detected element is placed in the element apparatus for placing, first slide rail location hole is fixed in the slide location hole, make the dead in line of axis and the slide location hole and the rotating shaft of first slide rail location hole, promptly realized being placed on overlapping of first detected element axis and rotating shaft axis on the element rack, adjust the height of rotating shaft, the center line that makes the center line of detected element and sound generation source 17 begins to test on same straight line then.During test, detected element is fixed on the element rack, because the axis of slide location hole and the dead in line of rotation axis, and slide rail utilizes slide rail location hole and alignment pin to be fixed in the slide location hole, and both deads in line, so slide location hole, the slide rail location hole, the axis of detected element and rotation axis all overlaps, thereby detected element has been played the effect of location, this moment, slide rail was fixing, can begin to have tested to first detected element, after testing the acoustical behavior of a direction of detected element, rotating shaft is rotated, make detected element together rotation on horizontal plane, so that carry out the test of another direction acoustical behavior of detected element, and the distance between detected element and the sound generation source remains unchanged in the process of rotation, thereby guaranteed the accuracy that detected element detects, after an element testing finishes, the alignment pin that is installed in the slide location hole is disassembled, adjust the position of slide rail on slide simultaneously, second slide rail location hole and alignment pin thereof are fixed in the slide location hole, because each element is all respectively to there being a slide rail location hole in the element apparatus for placing, and their axis overlaps, so slide rail carries out when mobile, relative distance and relative position between detected element and the slide rail location hole do not change, be equivalent to they are made the as a whole station that advanced under the drive of slide rail, therefore when detecting next detected element, when soon second slide rail location hole is fixed in the slide location hole, the slide location hole, second slide rail location hole, the axis of second detected element and rotating shaft still overlaps, thereby played the accurately effect of location of detected element, and then can progressively detect successively, and the work of having saved the hand rotation detected element, avoided helping to improve the operating efficiency and the accuracy of detection because of manually rotating angular error and the displacement error that brings.
Embodiment two:
As shown in Figure 2, the difference of present embodiment and embodiment one is: the described component-fixing device in the present embodiment comprises that straight line is arranged at least two described alignment pins 11 on the described slide rail 3, described alignment pin 11 is fixedly connected with detected element holder 6 respectively, detected element holder 6 directly is fixed on the alignment pin 11, be about to slide location hole 4 when a slide rail location hole 5 is adjusted to another slide rail location hole 5 in the position of adjusting slide rail 3, realized the adjustment location of detected element 7.Slide rail 3 in the present embodiment is provided with a plurality of slide rail location holes 5, and all is fixed with an alignment pin 11 in each slide rail location hole 5, reaches a detected element 7 should be arranged so all be provided with a detected element holder 6 on each alignment pin 11.
The course of work of present embodiment is as described below:
As shown in Figure 5, needs according to test are installed in rotating shaft and sound generation source 17 relatively-stationary positions earlier, and detected element is placed on the detected element holder that is provided with on each alignment pin, adjust the height of rotating shaft, the center line that makes the center line that is positioned at detected element on the detected element holder and sound generation source 17 begins to test on same straight line then.During test, detected element is fixed on the detected element holder on the alignment pin, because the axis of slide location hole and the dead in line of rotation axis, and the slide rail location hole utilizes alignment pin to be fixed in the slide location hole, so slide location hole, the slide rail location hole, the axis of detected element and rotation axis all overlaps, thereby detected element has been played the effect of location, this moment, slide rail was fixing, can begin test to the detected element that is fixed in the slide location hole, after testing the acoustical behavior of a direction of detected element, rotating shaft is rotated, make detected element together rotation on horizontal plane, so that carry out the test of another direction acoustical behavior of detected element, and the distance between detected element and the sound generation source remains unchanged in the process of rotation, thereby guaranteed the accuracy that detected element detects, after a detected element detection finishes, the alignment pin that is loaded with the detected element holder is disassembled in the slide location hole, adjust the position of slide rail on slide simultaneously, with next slide rail location hole and be fixed on alignment pin above it together with the detected element holder, and utilize alignment pin to be fixed in the slide location hole, detect next detected element, progressively detect successively, thereby saved the work of hand rotation detected element, avoid the angular error and the displacement error that bring because of manual adjustment, helped to improve the operating efficiency and the accuracy of detection.
Embodiment three:
As shown in Figure 3 and Figure 4, present embodiment is with the difference of embodiment one: the structure of detected element positioner is different, the positioner of detected element described in the present embodiment comprises: be fixedly installed on the location-plate 12 on the slide rail 3, described location-plate 12 is provided with a plurality of location depression or the location hole 15 that is arranged in a linear, each location depression or location hole 15 are all to there being a detected element 7, because location-plate 12 is to be fixedly installed togather with slide rail 3, in shifting sledge 3, location-plate 12 also moves thereupon.Location-plate 12 can be to be fixedly mounted on the slide rail 3, also can be set to integrative-structure with slide rail 3, both are combined with multiple mode, all be that the technical staff used always in the art in conjunction with fixing means, both combinations do not influence the protection range of present embodiment; Positioning pedestal 13 is installed on slide 2, the place kick 16 that cooperates with described location depression or location hole 15 is installed on the described positioning pedestal 13, place kick also is installed on the described positioning pedestal 13 keeps spring 14, in testing process when location depression or location hole 15 and place kick 16 are corresponding, place kick 16 is under the effect of place kick maintenance spring 14 (it is hemispheric push rod that place kick 16 also can be adopted head), will enter into location depression or location hole 15, but the diameter of described place kick 16 is greater than the diameter of described location depression or location hole 15, make place kick 16 can not enter into location depression or location hole 15 fully, when place kick 16 enters into location depression or location hole 15, the axis of detected element 7 and the dead in line of locating depression or location hole 15 and rotation axis 1, thereby play the effect of location, after detection finishes, promote slide rail, described location-plate 12 is return place kick 16, prepares location next time.
The course of work of present embodiment is similar substantially to the course of work of embodiment one, difference is, when the axis of location depression or location hole, detected element and rotation axis all overlaps, be positioned at place kick that place kick keeps spring end and just in time aim at location depression or location hole on the location-plate, because it is big that the space becomes, place kick obtains release portion and enters into location depression or location hole, makes the location of slide rail more accurately quick.Present embodiment is in detecting use, and the basic operation that the detected element position is adjusted is similar to embodiment one, here repeats no more.
Claims (9)
1. an acoustical behavior testing apparatus is characterized in that, comprising:
Whirligig comprises a rotating shaft;
Carriage comprises the slide that is fixed on the described rotating shaft, is slidingly fitted with slide rail on the described slide;
The detected element fixture is used for fixing detected element, is installed on the described slide rail, and detected element is arranged along the glide direction of described slide rail;
The detected element positioner is arranged between described slide and the described slide rail, and detected element is positioned on the axis of described rotating shaft;
The slide rail locking device is locked described slide and described slide rail.
2. a kind of acoustical behavior testing apparatus as claimed in claim 1 is characterized in that, described detected element positioner comprises:
The slide location hole is arranged on the described slide, the axis of described slide location hole and the dead in line of described rotating shaft;
The slide rail location hole is arranged on the described slide rail, and linearly distributes along described slide rail, and described slide rail location hole has the working position that overlaps with described slide location hole, and the detected element on described coincidence working position is positioned on the axis of described rotating shaft;
Alignment pin is plugged in the described slide rail location hole.
3. a kind of acoustical behavior testing apparatus as claimed in claim 2 is characterized in that, described alignment pin is double makees described slide rail locking device.
4. a kind of acoustical behavior testing apparatus as claimed in claim 3 is characterized in that described component-fixing device comprises:
Holder is fixedly mounted on the described slide rail;
The element rack is used to carry detected element, is installed on the described holder;
Jockey is arranged between described holder and the described element rack.
5. a kind of acoustical behavior testing apparatus as claimed in claim 4 is characterized in that described jockey comprises the grafting axle that is arranged on the described holder, and described element rack is provided with and the described corresponding spliced eye of axle of pegging graft.
6. a kind of acoustical behavior testing apparatus as claimed in claim 3 is characterized in that, described component-fixing device comprises that straight line is arranged at least two described alignment pins on the described slide rail, and described alignment pin is fixedly connected with the detected element holder respectively.
7. a kind of acoustical behavior testing apparatus as claimed in claim 1 is characterized in that, described detected element positioner comprises:
Location-plate is arranged on the described slide rail, and described location-plate is provided with the location depression or the location hole of linear array;
Positioning pedestal is fixedly mounted on the described slide, and the location clamping apparatus is installed on the described positioning pedestal.
8. a kind of acoustical behavior testing apparatus as claimed in claim 7 is characterized in that, described location clamping apparatus comprises the place kick that cooperates with described location depression or location hole, place kick also is installed on the described positioning pedestal keeps spring.
9. as the described a kind of acoustical behavior testing apparatus of the arbitrary claim of claim 1 to 8, it is characterized in that: described rotating shaft is set to telescopic rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201164468U CN201657318U (en) | 2010-02-10 | 2010-02-10 | Acoustic performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201164468U CN201657318U (en) | 2010-02-10 | 2010-02-10 | Acoustic performance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201657318U true CN201657318U (en) | 2010-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201164468U Expired - Lifetime CN201657318U (en) | 2010-02-10 | 2010-02-10 | Acoustic performance testing device |
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| CN (1) | CN201657318U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102075848A (en) * | 2011-02-17 | 2011-05-25 | 深圳市豪恩声学股份有限公司 | Method and system for testing array microphone and rotating device |
| CN105022052A (en) * | 2015-07-02 | 2015-11-04 | 哈尔滨工程大学 | Multidimensional test and installation device of Mill's cross array |
| CN107659884A (en) * | 2017-09-21 | 2018-02-02 | 深圳倍声声学技术有限公司 | A kind of receiver acoustical testing device and acoustical testing system |
| CN108364643A (en) * | 2017-12-29 | 2018-08-03 | 潍坊歌尔电子有限公司 | The test method and system of auditory localization performance for smart machine |
| CN108769886A (en) * | 2018-06-25 | 2018-11-06 | 歌尔股份有限公司 | A kind of microphone test equipment |
| CN109688491A (en) * | 2018-12-24 | 2019-04-26 | 科大讯飞股份有限公司 | A kind of super directional wave beam forming method and device |
| CN110505561A (en) * | 2018-05-17 | 2019-11-26 | 北京航天计量测试技术研究所 | A kind of plane microphone calibrator based on free field |
| CN112188380A (en) * | 2020-10-14 | 2021-01-05 | 扬州大学 | Electroacoustic device directivity measurement system, measurement method and application method thereof |
-
2010
- 2010-02-10 CN CN2010201164468U patent/CN201657318U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102075848B (en) * | 2011-02-17 | 2014-05-21 | 深圳市豪恩声学股份有限公司 | Method and system for testing array microphone and rotating device |
| CN102075848A (en) * | 2011-02-17 | 2011-05-25 | 深圳市豪恩声学股份有限公司 | Method and system for testing array microphone and rotating device |
| CN105022052A (en) * | 2015-07-02 | 2015-11-04 | 哈尔滨工程大学 | Multidimensional test and installation device of Mill's cross array |
| CN107659884A (en) * | 2017-09-21 | 2018-02-02 | 深圳倍声声学技术有限公司 | A kind of receiver acoustical testing device and acoustical testing system |
| CN107659884B (en) * | 2017-09-21 | 2020-02-28 | 深圳倍声声学技术有限公司 | Acoustic testing device and acoustic testing system for telephone receiver |
| CN108364643A (en) * | 2017-12-29 | 2018-08-03 | 潍坊歌尔电子有限公司 | The test method and system of auditory localization performance for smart machine |
| CN110505561A (en) * | 2018-05-17 | 2019-11-26 | 北京航天计量测试技术研究所 | A kind of plane microphone calibrator based on free field |
| CN110505561B (en) * | 2018-05-17 | 2021-04-13 | 北京航天计量测试技术研究所 | Plane microphone calibration device based on free field |
| CN108769886B (en) * | 2018-06-25 | 2020-10-09 | 歌尔股份有限公司 | Microphone test equipment |
| CN108769886A (en) * | 2018-06-25 | 2018-11-06 | 歌尔股份有限公司 | A kind of microphone test equipment |
| CN109688491A (en) * | 2018-12-24 | 2019-04-26 | 科大讯飞股份有限公司 | A kind of super directional wave beam forming method and device |
| CN109688491B (en) * | 2018-12-24 | 2020-08-18 | 西安讯飞超脑信息科技有限公司 | Super-directivity beam forming method and device |
| CN112188380A (en) * | 2020-10-14 | 2021-01-05 | 扬州大学 | Electroacoustic device directivity measurement system, measurement method and application method thereof |
| CN112188380B (en) * | 2020-10-14 | 2022-03-01 | 扬州大学 | Electroacoustic device directivity measurement system, measurement method and application method thereof |
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| C14 | Grant of patent or utility model | ||
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| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
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| CX01 | Expiry of patent term |
Granted publication date: 20101124 |
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| CX01 | Expiry of patent term |