CN107493556A - Microphone test device - Google Patents
Microphone test device Download PDFInfo
- Publication number
- CN107493556A CN107493556A CN201710883079.0A CN201710883079A CN107493556A CN 107493556 A CN107493556 A CN 107493556A CN 201710883079 A CN201710883079 A CN 201710883079A CN 107493556 A CN107493556 A CN 107493556A
- Authority
- CN
- China
- Prior art keywords
- microphone
- workbench
- seal
- support member
- test device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- H04R29/004—Monitoring arrangements; Testing arrangements for microphones
Landscapes
- 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 present invention relates to a kind of microphone test device, electric control gear including frame and in frame, fixed workbench in the frame, the workbench is provided with the product carrier driven by first driving means, the product carrier can be slid back and forth for fixing product and its along workbench, the top of product carrier is provided with upper bracket on the workbench, the upper bracket is installed with support member, the support member is provided with the seal being connected with the second drive device, the seal can be slided up and down along support member and can seal the sound hole of tested microphone, the outside of the seal is provided with pronunciation device and standard microphone, the electric control gear controls pronunciation device, standard microphone and first, the operation of two drive devices.The present invention can be tested the routine and leakage sound performance of microphone, simple in construction, easy to operate.
Description
Technical field
The present invention relates to test device, and in particular to a kind of microphone test device for electronic product.
Background technology
With the development of science and technology, pursuit of the people to electronic product performance also more and more higher, such as microphone, microphone are
The important spare part of man-machine interaction is realized, on the basis of microphone property is improved, the requirement of the performance test to microphone
Improve therewith.One of quality of requirements of microphone is antinoise, and antinoise is embodied by leaking value.Traditional
The test of microphone leakage value is realized with electruacousticfidelity instrument before installation.But how to after installation microphone leakage sound carry out
Test, it is the technical barrier of current this area.
The content of the invention
In order to overcome drawbacks described above, the present invention provides a kind of microphone test device, and the device is used for being installed on product
Microphone in rear shell is tested, and simple in construction, easily operated and measuring accuracy is high.
The present invention in order to solve its technical problem used by technical scheme be：
A kind of microphone test device, including frame and the electric control gear in frame, fixed work in the frame
Platform, the workbench be provided with by first driving means drive product carrier, the product carrier be used for fix product and its
It can be slid back and forth along workbench, the top of product carrier is provided with upper bracket on the workbench, and the upper bracket is fixed
There is support member, the support member is provided with the seal being connected with the second drive device, and the seal can be carried out along support member
Sliding up and down and the sound hole of tested microphone can be sealed, the outside of the seal is provided with pronunciation device and standard microphone,
The operation of the electric control gear control pronunciation device, standard microphone and first and second drive device.
Preferably, the product carrier includes slide and positioning angular groove group, and the slide is rectangle, and its four angles are respectively set
There is a positioning angular groove group, sucker is additionally provided with the slide, the sucker is used to adsorb and fixed product.
Preferably, the sucker is four, is respectively arranged near four positioning angular groove groups.
Preferably, each positioning angular groove group includes two locating slots arranged side by side.
Preferably, the workbench is provided with the first slide rail extended along before and after workbench, the slide of the product carrier
Bottom is provided with the chute being engaged with the first slide rail, and the first driving means are connected with slide, so as to drive product carrier edge
Moved forward and backward on first slide rail of workbench.
Preferably, the upper bracket includes two montants and is connected to the cross bar of two montants, and the montant is fixedly connected
In the workbench and perpendicular, the cross bar is horizontally disposed and top positioned at workbench.
Preferably, the support member top is provided with neck, and the cross bar is arranged in the neck and is fixedly connected with support member.
Preferably, the bottom connection seal of the support member, the seal are provided with sliding block, set on the support member
There is the second slide rail being engaged with the sliding block, second drive device can drive the sliding block of seal to enter along the second slide rail
Row moves up and down.
Preferably, the frame and upper bracket are designed with shell, are provided with electronic box cabinet in the frame, are set on the upper bracket
There are display screen and tri coloured lantern, the bottom of the frame is provided with roller.
The beneficial effects of the invention are as follows：The present invention product is fixed on the product carrier on workbench, by pronunciation device,
Seal and standard microphone are fixed on the upper bracket above product carrier, by the Mike in standard microphone and product rear shell
Wind is that microphone to be measured is all connected with test cell, when carry out traditional performance test (such as frequency response, harmonic distortion etc. survey
Examination) when, product is moved to the underface of seal, then controls pronunciation device pronunciation, test cell is respectively to standard Mike
Wind and microphone to be measured carry out radio reception and are converted to electric signal, and then by between microphone more to be measured and standard microphone
Data difference, so that it is determined that whether microphone to be measured is qualified；When carrying out Lou sound test, driven and sealed by the second drive device
Part is descending, and after the close sound hole of microphone to be measured is sealed up using the elastic component on seal, restarts pronunciation device pronunciation
And test whether the non-sound hole position of microphone to be measured leaks sound, if leakage sound, test cell can receive audio signal.Energy of the present invention
Enough routines and leakage sound performance to microphone are tested, simple in construction, easy to operate.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of the present invention；
Fig. 2 is the overall structure diagram of the present invention；
In figure：10- frames, 20- workbench, 21- product carriers, 211- slides, 212- positioning angular groove groups, 22- suckers,
The slide rails of 23- first, 30- upper brackets, 31- cross bars, 32- montants, 33- pronunciation devices, 34- standard microphones, 35- seals, 36-
Support member, 40- shells.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment：As depicted in figs. 1 and 2, a kind of microphone test device, including frame 10 and automatically controlled in frame
Device, fixed workbench 20 in the frame, the workbench are provided with the product carrier 21 driven by first driving means, institute
Stating product carrier can be slid back and forth for fixing product and its along workbench, and product carrier is upper on the workbench 20
Side is provided with upper bracket 30, and the upper bracket is installed with support member 36, and the support member 36 is provided with what is be connected with the second drive device
Seal 35, the seal can be slided up and down along support member 36 and can seal the sound hole of tested microphone, described
The outside of seal 35 is provided with pronunciation device 33 and standard microphone 34, the electric control gear control pronunciation device, standard Mike
The operation of wind and first and second drive device, the frame 10 and upper bracket 30 are designed with shell 40, are provided with the frame 10
Electronic box cabinet, the upper bracket 30 are provided with display screen and tri coloured lantern, and the bottom of the frame is provided with roller.The present invention is used for
Microphone through being installed in electronic product rear shell is tested, and first product is fixed on the product carrier 21 on workbench,
Pronunciation device 33, seal 35 and standard microphone 34 are fixed on the upper bracket 30 above product carrier, it is conventional when carrying out
During performance test (such as the test such as frequency response, harmonic distortion), product is moved to the underface of seal 35, then controlled
Pronunciation device 33 pronounces, then is that microphone to be measured carries out radio reception and incited somebody to action to the microphone in standard microphone and product rear shell respectively
Audio signal is converted to electric signal, test cell by the data difference between microphone more to be measured and standard microphone, from
And determine whether microphone to be measured is qualified；When carrying out Lou sound test, also to be driven by the second drive device under seal 35
OK, after and the sound hole of microphone to be measured is sealed up using the elastic component on seal, restart pronunciation device 33 and pronounce and survey
Try whether the non-sound hole position of microphone to be measured leaks sound, audio signal can be received if sound is leaked, test cell enters to audio signal
Output test result after row processing, signal value is bigger, illustrates that the leakage sound of the microphone is more serious, Noise Resistance Ability is weaker, on the contrary
It is as the same.The present invention can enter to the traditional performance (such as frequency response, harmonic distortion etc. are tested) of microphone and leakage audio fruit
Row test, it is simple in construction, it is easy to operate.
As shown in figure 1, the product carrier 21 includes slide 211 and positioning angular groove group 212, the slide is rectangle,
Its four angles are respectively provided with a positioning angular groove group 212, and sucker 22 is additionally provided with the slide 211, and the sucker 22 is used to adsorb simultaneously
Fixed product, the sucker 22 are four, are respectively arranged near four positioning angular groove groups, each positioning angular groove group 212
Including two locating slots arranged side by side, so, same product carrier 21 can fix multiple various sizes of products, and expanding makes
Use scope.The fixation of four points is carried out to product rear shell using the positioning angular groove group 212 at four angles of product carrier end, and passes through four
Individual sucker suction product, so as to which product rear shell is rigidly secured on product carrier 21, it ensure that during whole operation
Product will not produce any skew.The workbench 20 is provided with the first slide rail 23 extended along before and after workbench, the product
The bottom of slide 211 of carrier is provided with the chute being engaged with the first slide rail 23, and the first driving means are connected with slide 211,
So as to drive product carrier to be moved forward and backward along the first slide rail of workbench.
As shown in figure 1, the upper bracket 30 includes two montants 32 and is connected to the cross bar 31 of two montants, the montant
32 are fixedly connected on the workbench 20 and perpendicular, and the cross bar 31 is horizontally disposed and top positioned at workbench 20,
The top of support member 36 is provided with neck, and the cross bar 31 is arranged in the neck and is fixedly connected with support member 36, the support
The bottom connection seal 35 of part 36, the seal 35 are provided with sliding block, and the support member 36 is provided with and the sliding block phase
The second slide rail coordinated, second drive device can drive the sliding block of seal to be moved up and down along the second slide rail.Also
I.e. described cross bar 31 is horizontally disposed and is located at the top of the first slide rail 23, and perpendicular with the first slide rail.
The operating process of the present invention：
Step 1：Feeding：Product to be measured is placed on product carrier 21, by the positioning angular groove group 212 of product carrier with
And product is fixed sucker 22, and product carrier is moved using first driving means so as to be measured on product to be measured
Microphone is located at the underface of seal 35；
Step 2：Conventionally test (such as the test such as frequency response, harmonic distortion)：Test cell control pronunciation device 33 is sent out
Sound, and the voice signal of standard microphone 34 and microphone to be measured, after being converted into electric signal, wheat more to be measured are collected respectively
Data difference gram between wind and standard microphone, so that it is determined that whether microphone to be measured is qualified；
Step 3：Leak sound test：Step 1 is connect, then drives seal 35 descending by the second drive device, until sealing
After elastic component on part seals up the close sound hole of microphone to be measured, restart pronunciation device 33 and pronounce and test microphone to be measured
Whether non-sound hole position leaks sound, and audio signal can be received if sound is leaked, and test cell exports after handling audio signal
Test result, signal value is bigger, illustrates that the leakage sound of the microphone is more serious, and Noise Resistance Ability is weaker, conversely, then proving wheat to be measured
The anti-noise ability of gram wind is strong, and performance is good.
It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, may be used also
To make several modifications and improvements, these belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with
Appended claims are defined.
Claims (9)
- A kind of 1. microphone test device, it is characterised in that：Including frame (10) and the electric control gear in frame, the machine Fixed workbench (20) on frame, the workbench are provided with the product carrier (21) driven by first driving means, the product Carrier can be slid back and forth for fixing product and its along workbench, be set on the workbench (20) above product carrier There is upper bracket (30), the upper bracket is installed with support member (36), and the support member (36) is provided with and is connected with the second drive device Seal (35), the seal can be slided up and down along support member (36) and can seal the sound of tested microphone Hole, the outside of the seal (35) are provided with pronunciation device (33) and standard microphone (34), the electric control gear control pronunciation The operation of device, standard microphone and first and second drive device.
- 2. microphone test device according to claim 1, it is characterised in that：The product carrier (21) includes slide (211) and positioning angular groove group (212), the slide are rectangle, and its four angles are respectively provided with a positioning angular groove group (212), described Sucker (22) is additionally provided with slide (211), the sucker (22) is used to adsorb and fixed product.
- 3. microphone test device according to claim 2, it is characterised in that：The sucker (22) is four, is set respectively Near four positioning angular groove groups.
- 4. microphone test device according to claim 3, it is characterised in that：Each positioning angular groove group (212) bag Include two locating slots arranged side by side.
- 5. microphone test device according to claim 2, it is characterised in that：The workbench (20) is provided with along work The first slide rail (23) of the front and rear extension of platform, slide (211) bottom of the product carrier is provided with to be engaged with the first slide rail (23) Chute, the first driving means are connected with slide (211), so as to drive product carrier enterprising along the first slide rail of workbench Row moves forward and backward.
- 6. microphone test device according to claim 1, it is characterised in that：The upper bracket (30) includes two montants (32) and the cross bars (31) of two montants is connected to, the montant (32) is fixedly connected on the workbench (20) and mutually hung down therewith Directly, the cross bar (31) is horizontally disposed and is located at the top of workbench (20).
- 7. microphone test device according to claim 6, it is characterised in that：Support member (36) top is provided with card Groove, the cross bar (31) are arranged in the neck and are fixedly connected with support member (36).
- 8. microphone test device according to claim 7, it is characterised in that：The bottom connection of the support member (36) is close Sealing (35), the seal (35) are provided with sliding block, and the support member (36) is provided with second be engaged with the sliding block Slide rail, second drive device can drive the sliding block of seal to be moved up and down along the second slide rail.
- 9. microphone test device according to claim 1, it is characterised in that：The frame (10) and upper bracket (30) are all Provided with shell (40), electronic box cabinet is provided with the frame (10), the upper bracket (30) is provided with display screen and tri coloured lantern, described The bottom of frame is provided with roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710883079.0A CN107493556A (en) | 2017-09-26 | 2017-09-26 | Microphone test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710883079.0A CN107493556A (en) | 2017-09-26 | 2017-09-26 | Microphone test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107493556A true CN107493556A (en) | 2017-12-19 |
Family
ID=60652245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710883079.0A Withdrawn CN107493556A (en) | 2017-09-26 | 2017-09-26 | Microphone test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107493556A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108668213A (en) * | 2018-03-27 | 2018-10-16 | 赣州市山水智能设备有限公司 | A kind of check device of subwoofer |
| CN110290452A (en) * | 2019-05-17 | 2019-09-27 | 深圳康佳电子科技有限公司 | A kind of intelligent television end microphone mould group acoustical testing shielded box |
| CN111741421A (en) * | 2020-05-19 | 2020-10-02 | 广州立景创新科技有限公司 | Microphone automatic test system |
| CN112261567A (en) * | 2020-10-20 | 2021-01-22 | 昆山振顺电子科技有限公司 | Microphone circuit board sound testing device and testing method thereof |
| CN113810836A (en) * | 2021-08-31 | 2021-12-17 | 盐城维信电子有限公司 | Automatic audio test system and automatic test method |
| CN114245283A (en) * | 2021-12-10 | 2022-03-25 | 深圳市精泰达科技有限公司 | Method and system for testing microphone waterproofness by using sound |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102186134A (en) * | 2011-01-21 | 2011-09-14 | 深圳市豪恩声学股份有限公司 | Method and device for testing air leakage of microphone |
| US20140328489A1 (en) * | 2011-12-21 | 2014-11-06 | Brüel & Kjær Sound & Vibration Measurement A/S | Microphone test stand for acoustic testing |
| CN104883654A (en) * | 2015-06-11 | 2015-09-02 | 科瑞自动化技术（苏州）有限公司 | Tablet PC loudspeaker and microphone automatic calibrating device and method thereof |
| CN105704632A (en) * | 2014-11-26 | 2016-06-22 | 富泰华工业（深圳）有限公司 | Audio test device |
-
2017
- 2017-09-26 CN CN201710883079.0A patent/CN107493556A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102186134A (en) * | 2011-01-21 | 2011-09-14 | 深圳市豪恩声学股份有限公司 | Method and device for testing air leakage of microphone |
| US20140328489A1 (en) * | 2011-12-21 | 2014-11-06 | Brüel & Kjær Sound & Vibration Measurement A/S | Microphone test stand for acoustic testing |
| CN105704632A (en) * | 2014-11-26 | 2016-06-22 | 富泰华工业（深圳）有限公司 | Audio test device |
| CN104883654A (en) * | 2015-06-11 | 2015-09-02 | 科瑞自动化技术（苏州）有限公司 | Tablet PC loudspeaker and microphone automatic calibrating device and method thereof |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108668213A (en) * | 2018-03-27 | 2018-10-16 | 赣州市山水智能设备有限公司 | A kind of check device of subwoofer |
| CN108668213B (en) * | 2018-03-27 | 2024-04-02 | 中山市正科电器实业有限公司 | Inspection device of subwoofer |
| CN110290452A (en) * | 2019-05-17 | 2019-09-27 | 深圳康佳电子科技有限公司 | A kind of intelligent television end microphone mould group acoustical testing shielded box |
| CN111741421A (en) * | 2020-05-19 | 2020-10-02 | 广州立景创新科技有限公司 | Microphone automatic test system |
| CN112261567A (en) * | 2020-10-20 | 2021-01-22 | 昆山振顺电子科技有限公司 | Microphone circuit board sound testing device and testing method thereof |
| CN112261567B (en) * | 2020-10-20 | 2021-09-21 | 昆山振顺电子科技有限公司 | Microphone circuit board sound testing device and testing method thereof |
| CN113810836A (en) * | 2021-08-31 | 2021-12-17 | 盐城维信电子有限公司 | Automatic audio test system and automatic test method |
| CN113810836B (en) * | 2021-08-31 | 2024-03-12 | 盐城维信电子有限公司 | Automatic audio test system and automatic audio test method |
| CN114245283A (en) * | 2021-12-10 | 2022-03-25 | 深圳市精泰达科技有限公司 | Method and system for testing microphone waterproofness by using sound |
| CN114245283B (en) * | 2021-12-10 | 2024-02-27 | 深圳市精泰达科技有限公司 | Method and system for testing microphone waterproof by sound |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107493556A (en) | Microphone test device | |
| CN203423802U (en) | Microphone testing device | |
| CN102790942B (en) | Loudspeaker testing device | |
| CN106347751A (en) | Multipurpose attaching machine for 3D glass curved screens | |
| CN105588637B (en) | A kind of complicated stable sound field acoustic pressure test device | |
| CN201707185U (en) | Stationary fixture for PCB vibration and impact test | |
| CN207304926U (en) | Microphone test device | |
| CN207894752U (en) | A kind of resist bending performance detection apparatus of flexible electronic product | |
| CN107463012A (en) | A kind of omnipotent detecting device of liquid crystal display | |
| CN104883654A (en) | Tablet PC loudspeaker and microphone automatic calibrating device and method thereof | |
| CN105704632A (en) | Audio test device | |
| CN105228073A (en) | Open air speakers gas leakage test macro and method | |
| CN205902075U (en) | Terminal equipment's audio frequency characteristic test silence case | |
| CN102395095A (en) | Test method of omnidirectional microphone and test equipment thereof | |
| CN204634045U (en) | Panel computer loud speaker and microphone automatic calibration equipment | |
| CN208224653U (en) | A kind of LCM module test fixture | |
| CN108262241A (en) | A kind of Frequency Adjustable width vibration mechine | |
| CN202713605U (en) | Loudspeaker testing device | |
| CN202710518U (en) | Watermelon ripeness detector | |
| CN212378983U (en) | Intensity detection device is used in production of contrast formula touch-sensitive screen | |
| CN207756454U (en) | A kind of Frequency Adjustable width vibration mechine | |
| CN208891074U (en) | A kind of audio-frequency test machine | |
| CN216747923U (en) | Fan noise test equipment | |
| CN110062319A (en) | A kind of loudspeaker audition platform | |
| CN217064012U (en) | Sound effect testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171219 |
|
| WW01 | Invention patent application withdrawn after publication |