CN208241890U - A kind of test equipment based on artificial ear - Google Patents
A kind of test equipment based on artificial ear Download PDFInfo
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- CN208241890U CN208241890U CN201820781265.3U CN201820781265U CN208241890U CN 208241890 U CN208241890 U CN 208241890U CN 201820781265 U CN201820781265 U CN 201820781265U CN 208241890 U CN208241890 U CN 208241890U
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Abstract
The utility model relates to a kind of test equipment based on artificial ear, including emulation ear piece, have for correspond to product sound output to be detected to interface, and with the cavity to orifice；Microphone is installed in cavity, carries out reception processing to the sound passed via docking oral instructions；The output end of connector, input terminal and microphone connects；The output end of preamplifier, input terminal and connector connects；Base housing, the preamplifier are installed in base housing, and base housing has the output port connecting with phonetic analysis instrument, and the input terminal of the output port is connect with the preamplifier.This equipment analog earphone couples to measure the acoustical behavior of the products such as earphone, mobile phone, phone with human ear, device signal may be connected to the automation electrical testing amount that acoustic processing analytical equipment realizes the products such as earphone, mobile phone, phone, and product quality and production efficiency can be improved.
Description
Technical field
The utility model relates to the equipment of sound test, in particular to the products professional audio such as earphone, mobile phone, phone is surveyed
Sound collection equipment on probation, belongs to testing equipment field.
Background technique
With the continuous development of science and technology, the transformation of people's consumption idea, consumer want the function and quality of electronic product
Ask higher and higher, wherein earphone, mobile phone, phone are especially prominent.Conventional earphone, mobile phone, phone etc. carry out sound quality and test base
This judges quality by human ear, and judgment criteria varies with each individual, and quality is irregular, therefore has improved necessity.
Utility model content
The technical problem that an aspect of this disclosure solves is, provides a kind of equipment of auxiliary sound test.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of test equipment based on artificial ear,
Equipment includes,
Emulate ear piece, have for correspond to product sound output to be detected to interface, and with to orifice
Cavity；
Microphone is installed in cavity, carries out reception processing to the sound passed via docking oral instructions；
The output end of connector, input terminal and microphone connects；
The output end of preamplifier, input terminal and connector connects；
Base housing, the preamplifier are installed in base housing, and base housing, which has, is used for same sound analyzer
The output port of device connection, the input terminal of the output port are connect with the preamplifier.
A kind of foregoing test equipment based on artificial ear, the emulation ear piece are in hollow cylinder shape, front end
It is lesser described to interface that contraction forms internal diameter.
A kind of foregoing test equipment based on artificial ear, the base housing are equipped with inner groovy, in inner groovy
Between be equipped with sleeve, the connector is installed in the sleeve, and the bottom spring needle of connector is connect with the preamplifier,
Spring needle is connect with microphone at the top of connector.
A kind of foregoing test equipment based on artificial ear, what the emulation ear piece can axially be gone up and down is assembled in institute
It states on base housing.
A kind of foregoing test equipment based on artificial ear, the emulation ear piece pass through locking loop coil and base shell
The bottom end of body assembling, the locking loop coil is rotatably set in the inner groovy, and the emulation ear piece is from the locking
Loop coil upper end is inserted in, and is emulated between ear piece and locking loop coil by being threadedly engaged, and the emulation ear piece is by locking loop coil
Rotation control lifting.
A kind of foregoing test equipment based on artificial ear, the inner groovy and the locking loop coil are sliding by annular
Slot, ring slider cooperation assembling.
A kind of foregoing test equipment based on artificial ear, the microphone use titanium alloy vibrating membrane.
A kind of foregoing test equipment based on artificial ear, the preamplifier are constant-current source preamplifier.
The output port of a kind of foregoing test equipment based on artificial ear, the base housing uses gold-plated BNC
Port.
An aspect of this disclosure bring one the utility model has the advantages that the artificial ear test equipment of this case can acquire it is to be detected
The voice data of product spread out of, and the voice data can be exported to corresponding phonetic analysis instrument.Sentence compared to human ear
Disconnected method, it is more scientific and reasonable in such a way that equipment acquisition sound is analyzed, help to promote product quality.
Detailed description of the invention
Some specific realities of the utility model are described in detail by way of example and not limitation below in conjunction with attached drawing
Example is applied, identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that
The drawings are not necessarily drawn to scale.
In attached drawing:
Fig. 1 is an embodiment of the present invention schematic diagram；
Fig. 2 is an embodiment of the present invention schematic cross-sectional view；
Fig. 3 is an embodiment of the present invention perspective view of the explosion；
Mark is described as follows in figure:
1, ear piece is emulated；10, to interface；11, cavity；2, microphone；203, output end (microphone)；3, connector；
30, bottom spring needle；31, top spring needle；4, preamplifier；5, base housing；50, inner groovy；51, sleeve；52, it exports
Port；6, loop coil is locked.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, described
Embodiment is a part of the embodiment of the utility model, instead of all the embodiments.
Based on described the embodiments of the present invention, those of ordinary skill in the art are before without creative work
Every other embodiment obtained is put, is fallen within the protection scope of the utility model.Unless otherwise defined, the disclosure uses
Technical term or scientific term should be the personage in the utility model fields with general technical ability understood it is logical
Chang Yiyi.
" first ", " second " used in the disclosure and similar word are not offered as any sequence, quantity or again
The property wanted, and be used only to distinguish different component parts.Equally, "one", the similar word such as " one " or "the" also do not indicate
Quantity limitation, but indicate that there are at least one.The similar word such as " comprising " or "comprising" means occur before the word
Element or object cover appear in the element of the word presented hereinafter perhaps object and its it is equivalent and be not excluded for other elements or
Object." connection " either the similar word such as " connected " is not limited to physics or mechanical connection, but may include
Electrical connection, it is either direct or indirect."upper", "lower", "left", "right" etc. are only used for indicating that relative position is closed
System, after the absolute position for being described object changes, then the relative positional relationship may also correspondingly change.
Test equipment based on artificial ear as shown in Figs. 1-3, equipment include:
Emulate ear piece 1, have for correspond to product sound output to be detected to interface 10, and with to interface 10
The cavity 11 of connection；
Microphone 2 is installed in cavity 11, carries out reception processing to via the sound transmitted to interface 10；
Connector 3, input terminal are connect with the output end 203 of microphone 2；
Preamplifier 4, input terminal are connect with the output end of connector 3；
Base housing 5, the preamplifier 4 are installed in base housing 5, and base housing 5 has for cent in unison
The output port 52 of analyzer device connection, the input terminal of the output port 52 are connect with the preamplifier 4.
Specifically, emulation ear piece 1 can be cylindrical, front end, which is shunk, becomes the lesser part of internal diameter, the part shape
Pairs of interface 10 is used to dock with the sound output of product to be detected to interface 10, such as product is earplug, can be by earplug
Conduit insertion is in interface 10, to simulate the scene that earplug is coupled with human ear.The biggish cavity 11 of artificial ear rear end part internal diameter
Microphone 2 is installed with enough spaces, the sound in interface 10 can be received by microphone 2 and by sound signal processing at
Electric signal is exported to connector 3, connector 3 receive be transported to after the electric signal of voice data preamplifier 4 into
Row enhanced processing, then be delivered to existing phonetic analysis instrument via the output port 52 of base housing 5 and analyzed.
Emulation ear piece 1 preferably makes it have good toughness using stainless steel material, is conducive to save for a long time.Microphone 2
It is preferable to use laser welding assemblings, can specifically use the pressure field measurement microphone 2 of such as BK4192 model, vibrating membrane
It is preferred that titanium alloy material is used, and test frequency range: 100Hz-10kHz (simulation human ear impedance), coupler frequency range:
20Hz-16kHz.Preamplifier 4 uses existing constant-current source (ICP) preamplifier, by constant current source power supply, using gold-plated shape
BNC connector output, has the characteristics that high input impedance, low output impedance, low noise, wider Hz-KHz, can easily connect
It is connected to general measuring instrument to use, frequency of use range 10Hz-80kHz ± 0.2Db, input impedance > 2G Ω/0.5pF is defeated
20 Ω of impedance < out.Output port 52 on base housing 5 preferably uses BNC type port, and port signal foot uses gold-plated pin, subtracts
Few signal decaying, BNC type port facilitate the input terminal for connecting existing phonetic analysis view device.
In some embodiments, base housing 5 is equipped with inner groovy 50, is equipped with sleeve 51, the connection among inner groovy 50
Device 3 is installed in the sleeve 51, and the bottom spring needle 30 of connector 3 is connect with the preamplifier 4,3 top of connector
Spring needle 31 is connect with microphone 2.Sleeve 51 facilitates the position of fixed connection device 3, it is ensured that spring needle and preamplifier 4,
The stability that microphone 2 connects.
In some embodiments, what emulation ear piece 1 can axially be gone up and down is assembled on the base housing 5, and artificial ear is axial
Adjustable internal acoustic field range is gone up and down, convenient for simulating different test environment, connector 3 is by spring needle and microphone 2
Docking, therefore in lifting process, it can guarantee stabilization pair of the spring needle always with microphone 2 by the elastic force effect of spring
It connects.
The lifting of emulation ear piece 1 can be realized by common axial sliding rail, sliding block cooperation.Preferably, artificial ear
Component 1 is assembled by locking loop coil 6 and base housing 5, and the bottom end of the locking loop coil 6 is rotatably set in the inner groovy
In 50, the emulation ear piece 1 is inserted in from 6 upper end of locking loop coil, and is emulated and passed through between ear piece 1 and locking loop coil 6
It is threadedly engaged, the emulation ear piece 1 controls lifting by the rotation of locking loop coil 6.Rotation lock loop coil 6, while being turned with hand
Emulation ear piece 1 is limited on dynamic direction, is thus emulated ear piece 1 and is followed the round-trip rotation of locking loop coil 6 and go up and down.And it emulates
It can be assembled by the annular groove that is divided into the two, ring slider cooperation between ear piece 1 and locking loop coil 6, when rotation
Ring slider is moved along annular groove, while sliding block and sliding slot are avoided that locking loop coil 6 detaches base shell from axial direction again
Body 5.
To sum up, the test equipment analog earplug catheter insertion ear canal or ear corridor mode in the application, simulates earphone and people
To measure the acoustical behavior of the products such as earphone, mobile phone, phone, device signal may be connected to acoustic processing analytical equipment for ear coupling
The automation electrical testing amount for realizing the products such as earphone, mobile phone, phone, can be improved product quality and production efficiency.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, the utility model can have various changes, combination and variation.It is all the utility model spirit and
Within principle, any modification, equivalent replacement, improvement and so on, should be included in the utility model scope of the claims it
It is interior.
Claims (9)
1. a kind of test equipment based on artificial ear, it is characterised in that: equipment includes,
Emulate ear piece, have for connect product sound output to be detected to interface, and with the sky to orifice
Chamber；
Microphone is installed in cavity, carries out reception processing to the sound passed via docking oral instructions；
The output end of connector, input terminal and microphone connects；
The output end of preamplifier, input terminal and connector connects；
Base housing, the preamplifier are installed in base housing, and base housing has to be connected for same sound analyzer device
The output port connect, the input terminal of the output port are connect with the preamplifier.
2. a kind of test equipment based on artificial ear as described in claim 1, it is characterised in that: during the emulation ear piece is in
Empty cylinder-shaped, front end shrinks that form internal diameter lesser described to interface.
3. a kind of test equipment based on artificial ear as described in claim 1, it is characterised in that: the base housing is equipped with
Inner groovy is equipped with sleeve among inner groovy, and the connector is installed in the sleeve, the bottom spring needle of connector with it is described
Preamplifier connection, connector top spring needle are connect with microphone.
4. a kind of test equipment based on artificial ear as claimed in claim 3, it is characterised in that: the emulation ear piece can axis
To being assembled on the base housing for lifting.
5. a kind of test equipment based on artificial ear as claimed in claim 4, it is characterised in that: the emulation ear piece passes through
It locks loop coil and base housing assembles, the bottom end of the locking loop coil is rotatably set in the inner groovy, the emulation
Ear piece is inserted in from the locking loop coil upper end, and emulates between ear piece and locking loop coil the emulation by being threadedly engaged
Ear piece controls lifting by the rotation of locking loop coil.
6. a kind of test equipment based on artificial ear as claimed in claim 5, it is characterised in that: the inner groovy and the lock
Tight loop coil passes through annular groove, ring slider cooperation assembling.
7. a kind of test equipment based on artificial ear as described in claim 1, it is characterised in that: the microphone is closed using titanium
Golden vibrating membrane.
8. a kind of test equipment based on artificial ear as described in claim 1, it is characterised in that: the preamplifier is perseverance
Stream source preamplifier.
9. a kind of test equipment based on artificial ear as described in claim 1, it is characterised in that: the output of the base housing
Port uses the gold-plated port BNC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820781265.3U CN208241890U (en) | 2018-05-23 | 2018-05-23 | A kind of test equipment based on artificial ear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820781265.3U CN208241890U (en) | 2018-05-23 | 2018-05-23 | A kind of test equipment based on artificial ear |
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| Publication Number | Publication Date |
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| CN208241890U true CN208241890U (en) | 2018-12-14 |
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ID=64581128
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| CN201820781265.3U Active CN208241890U (en) | 2018-05-23 | 2018-05-23 | A kind of test equipment based on artificial ear |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3863307A1 (en) * | 2020-02-06 | 2021-08-11 | Audix Corporation | Integrated acoustic coupler for professional in-ear monitors |
| CN114374923A (en) * | 2021-12-30 | 2022-04-19 | 江苏鸿盾智能装备有限公司 | Acoustic coupler for simulating acoustic characteristics of human ear |
-
2018
- 2018-05-23 CN CN201820781265.3U patent/CN208241890U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3863307A1 (en) * | 2020-02-06 | 2021-08-11 | Audix Corporation | Integrated acoustic coupler for professional in-ear monitors |
| US11451893B2 (en) * | 2020-02-06 | 2022-09-20 | Audix Corporation | Integrated acoustic coupler for professional sound industry in-ear monitors |
| US20220386005A1 (en) * | 2020-02-06 | 2022-12-01 | Audix Corporation | Integrated acoustic coupler for professional sound industry in-ear monitors |
| US11800270B2 (en) * | 2020-02-06 | 2023-10-24 | Audix Corporation | Integrated acoustic coupler for professional sound industry in-ear monitors |
| CN114374923A (en) * | 2021-12-30 | 2022-04-19 | 江苏鸿盾智能装备有限公司 | Acoustic coupler for simulating acoustic characteristics of human ear |
| CN114374923B (en) * | 2021-12-30 | 2024-03-19 | 江苏鸿盾智能装备有限公司 | Acoustic coupler for simulating acoustic characteristics of human ears |
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