CN106488375B - Audio test device - Google Patents
Audio test device Download PDFInfo
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- CN106488375B CN106488375B CN201610906274.6A CN201610906274A CN106488375B CN 106488375 B CN106488375 B CN 106488375B CN 201610906274 A CN201610906274 A CN 201610906274A CN 106488375 B CN106488375 B CN 106488375B
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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
Abstract
The invention discloses a kind of audio test devices, belong to electronic technology field.The audio test device includes: test support plate, supporting block, adjusting rod and sound pick-up；Test support plate is for fixing trial product to be measured；The side of the test support plate is arranged in supporting block, and adjusting rod is the bending structure being made of first connecting rod and second connecting rod, which connect with the supporting block, and the sound pick-up is provided on the second connecting rod；Wherein, which can rotate around the axis of the first connecting rod.Therefore when trial product to be measured is when going out sound mode difference, the relative position between sound pick-up and trial product to be measured can be adjusted by rotating the adjusting rod, enables setting area of the sound pick-up precisely towards loudspeaker in the trial product to be measured.Audio test device provided by the invention can test the product of different sound modes out, and the compatibility of the audio test device is preferably.The present invention is used for audio-frequency test.
Description
Technical field
The present invention relates to electronic technology field, in particular to a kind of audio test device.
Background technique
The electronic products such as mobile phone and tablet computer require to carry out in sound proof box by audio test device before factory
Relevant audio performance test.The audio test device mainly includes test support plate, sound pick-up and test module.The test
Support plate is positioned and is fixed for treating test product；The sound pick-up is fixed at test branch by connecting rod and support base
On fagging, the audio signal issued for acquiring the trial product to be measured, and the audio signal can be sent to test module, with
Just the test module detects the audio signal.
In the related technology, due to trial product to be measured go out sound mode may include carry on the back out sound (i.e. loudspeaker be arranged to be measured
The back side of trial product), it is preceding go out sound (i.e. loudspeaker front that trial product to be measured is set) and side go out sound (i.e. loudspeaker be arranged to
The side of test product) isotype.Therefore, the difference that sound mode is gone out according to trial product to be measured is needed using different types of sound
Frequency test device tests the trial product to be measured, enables sound pick-up in the audio test device precisely towards should be to
The setting area of loudspeaker in test product, to guarantee that sound pick-up can effectively collect the audio signal of loudspeaker sending.
But in audio test device in the related technology, the relative position between sound pick-up and test support plate is solid
Fixed, a kind of product of sound mode out can only generally be tested, the compatibility of the audio test device is poor.
Summary of the invention
In order to solve the problems, such as that audio test device compatibility is poor in the related technology, the present invention provides a kind of surveys of audio
Trial assembly is set.The technical solution is as follows:
Audio test device provided by the invention includes: test support plate, supporting block, adjusting rod and sound pick-up；
The test support plate is for fixing trial product to be measured；
The side of the test support plate is arranged in the supporting block, and the adjusting rod is by first connecting rod and second connecting rod
The bending structure of composition, the first connecting rod are connect with the supporting block, and the sound pick-up is provided on the second connecting rod；
Wherein, the adjusting rod can be rotated around the axis of the first connecting rod, with adjust the sound pick-up and it is described to
Relative position between test product.
In conclusion adjusting rod is made of first connecting rod and second connecting rod in audio test device provided by the invention
Bending structure, and the adjusting rod can be rotated around the axis of the first connecting rod.Therefore go out sound mode not when trial product to be measured
Meanwhile the relative position between sound pick-up and trial product to be measured can be adjusted by rotating the adjusting rod, so that the sound pick-up
It can be precisely towards the setting area of loudspeaker in the trial product to be measured.Audio test device provided by the invention can be to difference
The product of sound mode is tested out, and the compatibility of the audio test device is preferably.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of structural schematic diagram of audio test device provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of a kind of adjusting rod and support base provided in an embodiment of the present invention；
Fig. 3 is the top view of a kind of adjusting rod and support base provided in an embodiment of the present invention；
Fig. 4 is a kind of partial sectional view of audio test device provided in an embodiment of the present invention；
Fig. 5 is the side view of a kind of adjusting rod and support base provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of another audio test device provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of another audio test device provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 is a kind of structural schematic diagram of audio test device provided in an embodiment of the present invention, as shown in Figure 1, the audio
Test device may include: test support plate 10,40 (not shown in figure 1) of supporting block 20, adjusting rod 30 and sound pick-up.
The test support plate 10 is for fixing trial product (not shown in figure 1) to be measured；The supporting block 20 is arranged in the test
The side of support plate 10.With reference to Fig. 2, which can be the bending knot being made of first connecting rod 301 and second connecting rod 302
Structure, the first connecting rod 301 are connect with the supporting block 20, are provided with sound pick-up 40 on the second connecting rod 302, which is used for
Acquire the audio signal that trial product to be measured issues.
Wherein, which can rotate around the axis n of the first connecting rod 301, with adjust the sound pick-up 40 with should be to
Relative position between test product.
In conclusion adjusting rod is made of first connecting rod and second connecting rod in audio test device provided by the invention
Bending structure, and the adjusting rod can be rotated around the axis of the first connecting rod.Therefore go out sound mode not when trial product to be measured
Meanwhile the relative position between sound pick-up and trial product to be measured can be adjusted by rotating the adjusting rod, so that the sound pick-up
It can be precisely towards the setting area of loudspeaker in the trial product to be measured.Audio test device provided by the invention can be to difference
The product of sound mode is tested out, and the compatibility of the audio test device is preferably.
It should be noted that in practical applications, as shown in Figure 1, branch hold mode can be set in the test support plate 10
Group 101, which is detachably connected with the test support plate 10.The trial product to be measured can be fixed on the branch hold mode
In group 101.In test, for the terminal of different sizes or model, different types of branch hold mode group can be respectively adopted to this
Terminal is positioned and is fixed, to guarantee the compatibility of the test support plate.In addition, the test support plate and the branch hold mode group
The test suite tested terminal earphone and front camera and rear camera can also be compatible with.
Optionally, as shown in Fig. 2, the audio test device can also include: the first fixing piece 201.Fig. 3 is of the invention real
The top view that a kind of adjusting rod and support base of example offer are provided, referring to figs. 2 and 3 it is found that can be set in the supporting block 20
First opening 20a, one end setting of the first connecting rod 301, and can be relative to supporting blocks 20 the in first opening 20a
It moves on one direction x, or is moved along the opposite direction of first direction x, to adjust the sound pick-up 40 and the trial product to be measured at this
Relative displacement on first direction x.Wherein first direction x is parallel to the length direction of the adjusting rod 30.First fixing piece
201 are arranged in the supporting block 20 close to first opening, for locking or loosening first opening 20a.
Exemplary, as shown in Figures 2 and 3, which may include two screws (such as milled screw),
In the supporting block 20 first opening 20a can be U-lag, the U-lag opening two sides baffle on be respectively set there are two
Threaded hole, each screw is for connecting two baffles in screw-in a to threaded hole.When screw screw in depth compared with
When shallow, the opening of U-lag is larger, can move left and right the adjusting rod 30 along first direction x at this time, or the adjusting rod 30 is made to exist
Rotation in first opening, and then adjust the relative position between the sound pick-up 40 and trial product to be measured；When the sound pick-up with to
After the setting area alignment of test product upper speaker, the depth that the screw can be made to be threaded into hole increases, so that the U-shaped
The opening of slot becomes smaller, thus by the first connecting rod 301 be locked at this first opening 20a in, to avoid the adjusting rod 30 rotation or
Person moves left and right along first direction x.
Further, referring to figs. 2 and 3, which can also include: the second fixing piece 202.Such as Fig. 1 institute
Show, the sliding groove 102 that y extends in a second direction is provided in the test support plate 10, second direction y is perpendicular to the first party
To x.Fig. 4 is a kind of partial sectional view of audio test device provided in an embodiment of the present invention, and with reference to Fig. 1 and Fig. 4, this is second solid
The one end for determining part 202 is connect with the supporting block 20, and the other end is arranged in the sliding groove 102, which being capable of band
It moves the supporting block 20 to slide in the sliding groove 102, or the supporting block 20 is fixed in the sliding groove 102, be somebody's turn to do with adjusting
Sound pick-up 40 and relative displacement of the trial product to be measured on second direction y.
Optionally, as shown in Figure 1, the side of the sliding groove 102 is also formed with graduation mark in the test support plate 10
103.The sound pick-up and trial product to be measured are being adjusted in the displacement on second direction y, can precisely controlled with reference to the graduation mark 103
The mobile distance of support base 20 processed, enables sound pick-up to precisely align the loudspeaker in trial product to be measured, improves test essence
Degree.
Exemplary, as shown in Figure 2 and Figure 4, which can be screw and nut, and wherein the screw can be with
For milled screw, which can be the nut of the outer square of inner circle.On the support base 20, contacted with the test support plate 10 one
Side is provided with screw hole, which can pass through the sliding groove 102 in the screw hole and the test support plate 10, and nut setting exists
The bottom of the test support plate 10 after the screw passes through screw hole and the sliding groove, is stretched out from the bottom of the test support plate 10
Part can be fastened with the nut.When the screw and nut are not tightened, which can drive the supporting block 20 and adjust
Pole 30 is in sliding groove 102, and y is slided in a second direction, and then adjusts the sound pick-up 40 and trial product to be measured in the second party
Relative displacement to y；It, can should with reference to Fig. 4 after the sound pick-up is aligned with the setting area of trial product upper speaker to be measured
Screw is tightened with the nut, so that the support base 20 is fixed in the sliding groove 102, avoids the support base 20 in a second direction
It is mobile.
In embodiments of the present invention, when the product for identical size and same model carries out audio-frequency test, due to producing
The sound mode that goes out of product determines that loudspeaker position is constant, therefore the sound pick-up and trial product to be measured can be adjusted by adjusting rod
Relative position after, then by first fixing piece and the second fixing piece the adjusting rod is fixed, the adjusting can be passed through later
Good audio test device is accurately tested to multiple batches of same size and with the product of model, the consistency of the test compared with
Good, testing efficiency is higher.
In a preferred embodiment of the invention, with reference to Fig. 5, the second connecting rod 302 can be by the first sub-link 2a,
The U-shaped bar of second sub-link 2b and third sub-link 2c composition.One end of first sub-link 2a and the first connecting rod 301 connect
It connects, the end face of the one end third sub-link 2c is provided with the sound pick-up 40, and the first sub-link 2a and third sub-link 2c
It is each perpendicular to the first connecting rod 301.Wherein, the length of third sub-link 2c can be shorter than the length of first sub-link 2a.
It should be noted that the adjusting rod can be integrally formed structure, it is also possible to be spliced by each connecting rod
, it is not limited in the embodiment of the present invention.
In practical applications, which can be pickup microphone, which welds on circuit boards, the electricity
Road plate is fixed in pickup support plate, which is fixed on the end of the one end third sub-link 2c by way of gluing
Face.
Further, when carrying out audio-frequency test using the audio test device, with reference to Fig. 1, when the trial product to be measured
When the back side of the trial product to be measured is arranged in loudspeaker, in order to effectively acquire the sound that the loudspeaker at the trial product back side to be measured issues
Sound, for fixing between the branch hold mode group 101 of the trial product to be measured and the test support plate 10 there are gap, when test, the tune
Pole 20 can extend into the gap, so that sound pick-up can be directed at the setting area of loudspeaker in the trial product to be measured.Such as
Shown in Fig. 1 and Fig. 5, at this point, the first sub-link 2a and third sub-link 2c are each perpendicular to 10 place of test support plate
Plane, and the end face of third sub-link 2c is backwards to the test support plate.At this point, picking up for the third end face sub-link 2c is arranged in
Sound device 40 is just towards the trial product upper speaker to be measured region.
When the front of the trial product to be measured is arranged in the loudspeaker of the trial product to be measured, as shown in fig. 6, the tune can be made
Pole 30 is relative to orientation rotation 180 degree shown in FIG. 1, and the first sub-link 2a and third sub-link 2c are each perpendicular at this time
Plane where the test support plate 10, and the end face of third sub-link 2c is towards the test support plate.At this point, being arranged at this
The sound pick-up 40 of the end face third sub-link 2c is just towards the trial product upper speaker to be measured region 104.
When the side of the trial product to be measured is arranged in the loudspeaker of the trial product to be measured, as shown in fig. 7, the tune can be made
Pole 30 rotates clockwise 90 degree relative to Fig. 1 or orientation shown in fig. 5, or revolves counterclockwise relative to orientation shown in fig. 6
It turn 90 degrees.The first sub-link 2a and the third sub-link 2c are each parallel to the plane where the test support plate at this time.At this point,
The sound pick-up 40 of the end face third sub-link 2c is set just towards the loudspeaker region of the product side to be tested
104。
It, can be flexible by adjusting the rotation angle of adjusting rod 30 according to above-mentioned analysis it is found that in embodiments of the present invention
The direction for changing the sound pick-up allows the sound pick-up effectively to acquire the audio signal of the different products of sound mode out；Pass through
Position of the adjusting rod in a first direction on x and second direction y is adjusted, can enable the sound pick-up being arranged on the adjusting rod
The audio signal of enough products for effectively acquiring different sizes and different model.For example, when the audio test device is completed to 5 cun of hands
After the test of machine, if desired one 6.8 cun of mobile phone is tested again, then refer to Fig. 2, Fig. 5 and Fig. 6, can by this first
Screw in fixing piece 201 is unscrewed, which is moved along first direction x, makes the first connecting rod 301 from the support base 20
In first opening 20a stretch out length increase；Then, then by the screw in second fixing piece 202 unscrew from nut, at this time
The pressing force that screw and nut generate disappears, which can move y in a second direction, so that the sound pick-up 40 can be right
The setting area 104 of loudspeaker in quasi- 6.8 cun of mobile phones.
Further, in embodiments of the present invention, which can also include: pickup circuit board 50 and test
Module 60.
Referring to figs. 2 to Fig. 5 it is found that the adjusting rod 30 in the embodiment of the present invention can be hollow round tube, the pickup circuit
Plate 50 (attached to be not shown in the figure) can be set inside the round tube, and respectively with the sound pick-up 40 and the 60 (attached drawing of test module
In be not shown) electrical connection.Exemplary, which can be connect by conducting wire with the sound pick-up and the test module.It should
Pickup circuit board is used to the collected audio signal of the sound pick-up being sent to test module, so that test module believes the audio
It number is detected.
It should be noted that being the adjusting rod of other shapes compared to section, using section is circular connecting rod as tune
Pole can effectively reduce cross-sectional area of the adjusting rod in acoustic wave propagation path, thus reduce reflection of the adjusting rod to sound wave,
To reduce interference caused by the acoustic signals that the acoustic signals of the reflection acquire sound pick-up, to effectively increase audio survey
The precision of examination.
Further, in a kind of optional embodiment of the present invention, which can also include: driving electricity
Machine.The driving motor can be electrically connected with moving member, to be tested with this to adjust the sound pick-up for driving the moving member mobile
Relative position between product.Wherein, which can be the adjusting rod and/or the supporting block.
Exemplary, which can be micromotor, can in the adjusting rod and supporting block in the audio test device
It is electrically connected with passing through transmission mechanism respectively with a micromotor, wherein the transmission mechanism can be feed screw nut etc..The micro electric
Machine can also be electrically connected with the controller, and can receive the driving signal of controller transmission, and can be in the finger of the driving signal
Under showing, driving the supporting block by transmission mechanism, y is mobile in a second direction, and the adjusting rod is driven to rotate or along first party
It is mobile to x.Thus, it is possible to realize that the automation of the sound pick-up and trial product relative position to be measured is adjusted.
In conclusion adjusting rod is made of first connecting rod and second connecting rod in audio test device provided by the invention
Bending structure, and the adjusting rod can be rotated around the axis of the first connecting rod.Therefore go out sound mode not when trial product to be measured
Meanwhile the relative position between sound pick-up and trial product to be measured can be adjusted by rotating the adjusting rod, so that the sound pick-up
It can be precisely towards the setting area of loudspeaker in the trial product to be measured.Audio test device provided by the invention can be to difference
The product of sound mode is tested out, and the compatibility of the audio test device is preferably.
It should be noted that term "and/or" in the present invention, a kind of only incidence relation for describing affiliated partner, table
Show there may be three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, individualism B this three
Kind situation.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of audio test device, which is characterized in that the audio test device includes:
Test support plate, branch hold mode group, supporting block, adjusting rod and sound pick-up；
The branch hold mode group is arranged in the test support plate, and the branch hold mode group detachably connects with the test support plate
It connects, and there are gaps between the branch hold mode group and the test support plate；
The branch hold mode group for fixing trial product to be measured so that the position of the trial product to be measured be kept fixed it is constant；
The side of the test support plate is arranged in the supporting block, and the adjusting rod is to be made of first connecting rod and second connecting rod
Bending structure, the first connecting rod connect with the supporting block, and the sound pick-up is provided on the second connecting rod；
Wherein, the adjusting rod can be rotated around the axis of the first connecting rod, so that the position of the sound pick-up is described
It changes under the drive of adjusting rod, and then adjusts the relative position between the sound pick-up and the trial product to be measured.
2. audio test device according to claim 1, which is characterized in that the audio test device, further includes: first
Fixing piece；
The first opening is provided in the supporting block, one end of the first connecting rod is arranged in first opening, and can
It is moved in a first direction relative to the supporting block, to adjust the sound pick-up and the trial product to be measured in the first party
Upward relative displacement, wherein the first direction is parallel to the length direction of the adjusting rod, the shape of first opening
For U-lag；
First fixing piece is arranged in the supporting block close to first opening, for locking or loosening described the
One opening.
3. audio test device according to claim 1, which is characterized in that the audio test device, further includes: second
Fixing piece；
The sliding groove extended in a second direction is provided in the test support plate, the second direction is perpendicular to first direction；
One end of second fixing piece is connect with the supporting block, and the other end is arranged in the sliding groove, and described second is solid
Determine part and be able to drive the supporting block to slide in the sliding groove, or the supporting block is fixed in the sliding groove,
To adjust the sound pick-up and the relative displacement of the trial product to be measured in this second direction.
4. audio test device according to claim 1, which is characterized in that
The U-shaped bar that the second connecting rod is made of the first sub-link, the second sub-link and third sub-link；
Wherein, one end of first sub-link is connect with the first connecting rod, the end face setting of third sub-link one end
There is the sound pick-up, and first sub-link and the third sub-link are each perpendicular to the first connecting rod.
5. audio test device according to claim 4, which is characterized in that
The length for being shorter in length than first sub-link of the third sub-link.
6. device according to claim 4, which is characterized in that
When the back side of the trial product to be measured is arranged in the loudspeaker of the trial product to be measured, first sub-link and described
Third sub-link is each perpendicular to the plane where the test support plate, and the end face of the third sub-link is backwards to the test
Support plate；
When the front of the trial product to be measured is arranged in the loudspeaker of the trial product to be measured, first sub-link and described
Third sub-link is each perpendicular to the plane where the test support plate, and the end face of the third sub-link is towards the test
Support plate；
When the side of the trial product to be measured is arranged in the loudspeaker of the trial product to be measured, first sub-link and described
Third sub-link is each parallel to the plane where the test support plate.
7. audio test device according to claim 3, which is characterized in that
In the test support plate, the side of the sliding groove is formed with graduation mark.
8. audio test device according to any one of claims 1 to 7, which is characterized in that the audio test device also wraps
It includes: pickup circuit board and test module；
The adjusting rod is hollow round tube, and the pickup circuit board is arranged inside the round tube, and respectively with the pickup
Device and test module electrical connection.
9. device according to any one of claims 1 to 7, which is characterized in that the audio test device further include: driving electricity
Machine；
The driving motor is electrically connected with moving member, for driving the moving member mobile, with adjust the sound pick-up with it is described
Relative position between trial product to be measured；
Wherein, the moving member is the adjusting rod and/or the supporting block.
10. audio test device according to claim 2 or 3, which is characterized in that
The fixing piece includes screw.
11. device according to claim 9, which is characterized in that the audio test device further include: controller；
The driving motor is also electrically connected with the controller, and the driving motor is used for the driving letter sent in the controller
Number instruction under, drive the moving member mobile, the driving motor is micromotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610906274.6A CN106488375B (en) | 2016-10-17 | 2016-10-17 | Audio test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610906274.6A CN106488375B (en) | 2016-10-17 | 2016-10-17 | Audio test device |
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| Publication Number | Publication Date |
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| CN106488375A CN106488375A (en) | 2017-03-08 |
| CN106488375B true CN106488375B (en) | 2019-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610906274.6A Active CN106488375B (en) | 2016-10-17 | 2016-10-17 | Audio test device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107613447A (en) * | 2017-10-27 | 2018-01-19 | 深圳市传测科技有限公司 | A kind of intelligent terminal audio test device, system and method for testing |
| CN108769885B (en) * | 2018-05-14 | 2024-04-23 | 桂林电子科技大学 | Full-automatic detection and adjustment system for loudspeaker position |
| CN117499624B (en) * | 2024-01-02 | 2024-03-19 | 四川启睿克科技有限公司 | Television audio testing device |
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| CN203661148U (en) * | 2013-11-25 | 2014-06-18 | 上海华东电信研究院 | Device for audio breakthrough test |
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|---|---|---|---|---|
| CN101332605A (en) * | 2007-05-14 | 2008-12-31 | 特拉华资本构造公司 | Telescoping clamp assembly |
| CN201293622Y (en) * | 2008-10-31 | 2009-08-19 | 上海通用汽车有限公司 | Device for detecting and producing engine area pipeline |
| CN202696852U (en) * | 2012-07-06 | 2013-01-23 | 科瑞自动化技术（苏州）有限公司 | Testing equipment for sound of notebook computer |
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| Publication number | Publication date |
|---|---|
| CN106488375A (en) | 2017-03-08 |
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