CN206452551U - A kind of acoustical testing system - Google Patents
A kind of acoustical testing system Download PDFInfo
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- CN206452551U CN206452551U CN201621484061.0U CN201621484061U CN206452551U CN 206452551 U CN206452551 U CN 206452551U CN 201621484061 U CN201621484061 U CN 201621484061U CN 206452551 U CN206452551 U CN 206452551U
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- 238000012360 testing method Methods 0.000 title claims abstract description 73
- 238000012545 processing Methods 0.000 claims description 12
- 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 11
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- 210000000214 mouth Anatomy 0.000 description 35
- 238000009434 installation Methods 0.000 description 16
- 230000006872 improvement Effects 0.000 description 11
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- RXKGHZCQFXXWFQ-UHFFFAOYSA-N 4-ho-mipt Chemical group C1=CC(O)=C2C(CCN(C)C(C)C)=CNC2=C1 RXKGHZCQFXXWFQ-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a kind of acoustical testing system, including：Fixed support, and be fixedly mounted on the fixed support ear mount, artificial mouth；The terminal fixation kit for fixing terminal to be measured is additionally provided with the fixed support；The mounting groove for disposing artificial ear is offered in the ear mount；The artificial ear includes artificial ear body, and is arranged on the audio receiver of the artificial ear body interior；The artificial mouth includes the artificial mouth body for being provided with sound hole, and is arranged on the audio-frequency generator of the artificial mouth body interior；Acoustical testing analyzer for testing sound performance in the terminal to be measured, the acoustical testing analyzer is electrically connected with the audio receiver, audio-frequency generator respectively.The utility model the system has that simple in construction, cost of manufacture is cheap, easy to operate, testing efficiency is high, test result is accurate, and test result is not the advantages of tested person personnel influence.
Description
Technical field
The utility model is related to technical field of mobile terminals, more particularly to a kind of acoustical testing system.
Background technology
With development in science and technology, it is flat that mobile terminal is just becoming an integrated information processing from simple call instrument
Platform, progressively as necessity indispensable in people's daily life.When detecting mobile terminal end properties, its sounding
Can and sound receptivity, be to weigh one of whether qualified major criterion of the quality of production of mobile terminal.
Traditional, the acoustic testing method of mobile terminal is difference people after the artificial microphone on mobile terminal pronounces
Work obtains the receiver built in mobile terminal and the audio signal at loudspeaker, and carries out discriminatory analysis to audio signal, with this
To judge whether the sounding performance and sound receptivity of mobile terminal are qualified.
However, above-mentioned acoustic testing method is manually to be tested, influenceed larger by tester's subjective factor；Nothing
Method judges whether mobile terminal is qualified in an objective and unified standard, so that easily the quality to mobile terminal product is made
Into very big influence.In addition, also there is the low defect of testing efficiency in above-mentioned acoustic testing method.
Utility model content
A kind of acoustical testing system that the utility model is provided, can efficiently solve test result easily by tester
Influence and the low problem of testing efficiency.
The technical scheme that the utility model is provided is as follows：
The utility model provides a kind of acoustical testing system, including：Fixed support, and it is fixedly mounted on the fixed branch
Ear mount, artificial mouth on frame；The terminal fixation kit for fixing terminal to be measured is additionally provided with the fixed support；It is described
The mounting groove for disposing artificial ear is offered in ear mount；The artificial ear includes artificial ear body, and is arranged on described imitative
The audio receiver of real ear body interior；The artificial mouth includes the artificial mouth body for being provided with sound hole, and is arranged on institute
State the audio-frequency generator of artificial mouth body interior；Acoustical testing analyzer for testing sound performance in the terminal to be measured,
The acoustical testing analyzer is electrically connected with the audio receiver, audio-frequency generator respectively.
Further, the ear mount is arranged on the notch of mounting groove in the oblique upper of the artificial mouth, the ear mount and set upward
Put；The terminal fixation kit is located above the ear mount.
Further, earhole central point on the horizontal line on the artificial ear where earhole central point and the artificial ear, imitative
Line shape is angled 21.5~25.5 ° of angle between pronunciation central point of hole on true mouth；Earhole central point on the artificial ear
The length of line is 106~121mm between the central point of hole that pronounces on the artificial mouth.
Further, the acoustical testing analyzer includes：Central processing unit, measuring signal generator, power amplifier, mould
Number converter；The central processing unit is electrically connected with the measuring signal generator, the measuring signal generator and the work(
Rate amplifier is electrically connected, and the power amplifier is electrically connected with the audio-frequency generator；The audio receiver and the modulus
Converter is electrically connected, and the analog-digital converter is electrically connected with the central processing unit.
Further, the terminal fixation kit includes：Several for being arranged in the ear mount and inserting for pilot pin are determined
Position blind hole, the depth of several Blind locating holes is different；The one end of the pilot pin away from the Blind locating holes, which is formed, can place institute
State the horizontal checkout platform of terminal to be measured.
Further, the terminal fixation kit also includes：For the pressure adapter being pressed against in the terminal to be measured, institute
State pressure adapter and be removably connected to the connector being rotatably arranged on fixture, it is remote that the fixture is arranged on the ear mount
From the side of the artificial mouth；When the pressure adapter is pressed against in the terminal to be measured, the pressure of the pressure adapter
Force value reaches preset pressure value.
Further, the terminal fixation kit includes：Mobile jib, the mobile jib, which is removably connected to, is rotatably arranged on fixture
On connector, the fixture is arranged on side of the ear mount away from the artificial mouth；It is long along its bar on the mobile jib
Direction is provided through many poles, and the bar length of every pole is long perpendicular to the bar of the mobile jib；One is provided with every pole
To the supporting rod for clamping terminal to be measured, the supporting rod can move to change end to be measured along the bar length direction of the pole
The clip position at end.
Further, in addition to：Terminal positioning seat for adjusting the terminal clip position to be measured, the terminal positioning seat
Including block board and fixed support bar, the fixed support bar is arranged on the lower section of the block board, the block board and opened
Provided with the screens groove for fixing the terminal fixation kit.
Further, the artificial ear body includes the pedestal that it is internally provided with emulation duct, the pedestal and the peace
Tankage is adapted；Artificial ear housing is provided with the pedestal, is provided with and is connected with the duct on the artificial ear housing
Earhole.
Further, the artificial mouth body includes hollow, cylindrical body portion and circular cone shape convex portion, the sound hole edge
The center line of the convex portion through being opened on the convex portion；The convex portion is arranged on one end of the main part, and described
The diameter of convex portion is from one end close to the main part to the tapered at one end away from the main part.
Compared with prior art, the utility model has advantages below：
1st, acoustical testing system includes fixed support, the ear mount on fixed support, artificial mouth in the utility model,
The mounting groove of placement artificial ear is offered in ear mount, the terminal fixation kit on fixed support is arranged on；Fixed support plays branch
Connection function is supportted, terminal fixation kit plays fixed installation terminalization to be measured；Artificial ear can receive the survey that terminal to be measured is sent
Audio signal is tried, artificial mouth can send audio signal to the microphone tested in terminal to be measured.The system has simple in construction, system
Make that with low cost, easy to operate, testing efficiency is high, test result is accurate, test result is not the advantages of tested person personnel influence.
2nd, ear mount is arranged on the oblique upper of artificial mouth in the utility model, and mounting groove notch direction is set；Terminal is fixed
Component is located above ear mount；When terminal to be measured be arranged on terminal fixation kit on when, the screen of terminal to be measured towards ear mount, namely
End level to be measured is positioned over above ear mount；So as to which voice hole in terminal to be measured quickly and accurately is directed at into artificial ear, not only add
Fast test operation speed, improves testing efficiency；Also assure the accuracy of test result.
3rd, terminal fixation kit includes Blind locating holes, pilot pin, pressure adapter in the utility model, and pilot pin is inserted
After Blind locating holes, terminal to be measured is placed on to the side of the remotely located blind hole of pilot pin；Loudspeaker alignment ear in terminal to be measured
Microphone in artificial ear on seat, terminal to be measured is towards artificial mouth；Pressure adapter is pressed against with preset pressure value to be measured
In terminal；Have the advantages that simple in construction, easy for installation, testing efficiency is high.
4th, terminal fixation kit includes mobile jib, pole, supporting rod in the utility model, and mobile jib is used to support pole, clamping
Terminal to be measured on bar and supporting rod, is also connected with fixed support；Supporting rod is arranged on mobile jib by pole.This terminal is consolidated
Determine modular construction it is simple, it is easy for installation the advantages of.
5th, terminal fixation kit also includes support bar in the utility model, and branch is played to being clamped in terminal to be measured on supporting rod
Support is acted on；To prevent in aerial terminal run-off the straight to be measured；Fixed in order to which terminal to be measured reliably is fixed on into terminal
On component.
6th, installation chute is provided with the utility model on pole and strut ends are provided with regulating member；Can be real
Existing pole is moved in installation chute, so as to realize the clip position for flexibly changing terminal to be measured；To prevent the folder of terminal to be measured
Hold position to shift, and the accuracy of test result is influenceed because clip position is offset.
7th, installed in the utility model in chute and pole socket is installed, supporting rod is removably connected to pole socket, with installation side
Just the advantages of, being easy to processing and fabricating.Protective jacket is arranged with supporting rod, terminal to be measured can not only be played a protective role, also
The frictional force between terminal to be measured and supporting rod can be increased, to prevent terminal to be measured from dropping.
8th, terminal positioning seat includes the mobile jib on the block board for offering screens groove, terminal fixation kit in the utility model
After being caught in screens groove, after terminal fixation kit will not be moved, terminal to be measured can be fixed on terminal fixation kit
On.Terminal positioning seat also includes the center distance measurement plate for being provided with watch window, goes out to be arranged on eventually by watch window observable
Whether the terminal to be measured on the fixation kit of end shifts, so that it is guaranteed that terminal to be measured is properly attached on terminal fixation kit,
When being easy to terminal fixation kit on fixed support, alignment artificial ear in voice hole in terminal to be measured, artificial mouth alignment is to be measured
Microphone in terminal.
9th, fixture plays the effect of being fixedly connected to connector in the utility model, between connector and terminal fixation kit
It is detachably connected, and connector is rotated with fixture and is connected, and may be such that terminal to be measured turns to horizontal direction.
Brief description of the drawings
Below by clearly understandable mode, preferred embodiment is described with reference to the drawings, to a kind of acoustical testing system
Above-mentioned characteristic, technical characteristic, advantage and its implementation are further described.
Fig. 1 is a kind of part-structure schematic diagram of acoustical testing system in the utility model；
Fig. 2 is a kind of part-structure schematic diagram of acoustical testing system in the utility model；
Fig. 3 is support bracket fastened structural representation in a kind of acoustical testing system in the utility model；
Fig. 4 is a kind of structural representation of terminal positioning seat in acoustical testing system in the utility model；
Fig. 5 is a kind of structural representation of artificial ear in acoustical testing system in the utility model；
Fig. 6 is a kind of circuit connection block diagram of acoustical testing analyzer in acoustical testing system in the utility model.
Drawing reference numeral explanation：
10-fixed support 11-fixed installation 12-pedestal of plate
20-ear mount, 21-mounting groove, 22-fixture
23-connector, 221-stopper slot, 24-artificial ear
241-pedestal, 242-artificial ear, 243-audio receiver of housing
25-Blind locating holes
30-artificial mouth, 31-sound hole, 32-main part
33-convex portion, 34-audio-frequency generator
40-terminal fixation kit 41-mobile jib, 42-pole
43-supporting rod, 45-regulating member, 46-pole socket
50-terminal positioning seat 51-block board 52-fixation support bar
53-screens groove 54-center distance measurement, 55-connecting rod of plate
56-watch window
60-central processing unit, 61-measuring signal generator, 62-power amplifier
63-analog-digital converter
Embodiment
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, accompanying drawing will be compareed below
Illustrate embodiment of the present utility model.It should be evident that drawings in the following description are only of the present utility model one
A little embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these
Accompanying drawing obtains other accompanying drawings, and obtains other embodiments.
To make only to schematically show the part related to the utility model in simplified form, each figure, they are not
It is represented as the practical structures of product.In addition, so that simplified form is readily appreciated, there is identical structure or work(in some figures
The part of energy, only symbolically depicts one of those, or only marked one of those.Herein, " one " is not only
Represent " only this ", the situation of " more than one " can also be represented.
As shown in Figure 1, Figure 2, Figure 5, according to one embodiment of the present utility model, a kind of acoustical testing system, including：Gu
Fixed rack 10, and be fixedly mounted on the fixed support 10 ear mount 20, artificial mouth 30；Use is offered in the ear mount 20
Sound hole is provided with being provided with the mounting groove 21 of placement artificial ear 24, the artificial ear 24 on earhole, the artificial mouth 30
31；The terminal fixation kit 40 for clamping terminal to be measured is additionally provided with the fixed support 10.Artificial ear 24 includes imitative
Real ear body, and the audio receiver 241 of artificial ear body interior is arranged on, the audio receiver 241 includes sound coupling
Clutch and microphone, wherein, in defined frequency band, simulate artitificial ear acoustic impedance should with average real human ear acoustic impedance phase
When.The main Types of artificial ear 24 have following several：Type1、Type3.2、Type3.3、Type3.4.It is preferred that, in the system
Artificial ear 24 is the Type3.3 artificial ears 24 using ITU-T P.58 middle suggestions, and acoustical behavior and structure meet its related request,
So that the subjective feeling of test result and people are more closely, consistent with research and development laboratory test results.Artificial mouth in the system
30, reach the requirement of ITU-T P.57 middle recommendations in acoustics various aspects of performance, it is ensured that test data is tied with the test of research and development laboratory
Fruit is consistent.
For the improvement of above-described embodiment, in the present embodiment, the ear mount 20 is arranged on the oblique upper of the artificial mouth 30,
The notch of mounting groove 21 is set upward in the ear mount 20；The terminal fixation kit 40 is located at the top of the ear mount 20, institute
When stating terminal to be measured on the terminal fixation kit 40, display screen is towards the ear mount 20 in the terminal to be measured；It is excellent
Choosing, the end level to be measured is positioned over the top of the ear mount 20.The ear mount 20 deviates from the side of the mounting groove 21
It is provided with the installation gap for coordinating the artificial mouth 30 to install.Horizontal line where earhole central point and institute on the artificial ear 24
State earhole central point on artificial ear 24, line shape is angled 21.5~25.5 ° between the central point of sound hole 31 on artificial mouth 30
Angle；Horizontal line on the artificial ear 24 where earhole central point is in the ear length direction of artificial ear 24 (namely head
The length direction in portion)；Line between the central point of sound hole 31 on earhole central point and the artificial mouth 30 on the artificial ear 24
Length be 106~121mm.Specifically, artificial ear 24, the relative space position of artificial mouth 30, are in using ITU-T P.58
It is recommended that HATS positions so that both relative positions in space, meet human physiological structure's characteristic.
The artificial mouth 30 includes artificial mouth body, and is arranged on the audio-frequency generator 34 of artificial mouth body interior.Institute
Artificial mouth body is stated including hollow, cylindrical body portion 32 and circular cone shape convex portion 33, the sound hole 31 is along the convex portion
33 center line, which runs through, to be opened on the convex portion 33；The convex portion 33 is arranged on one end of the main part 32, and described convex
The diameter in portion 33 is from one end close to the main part 32 to the tapered at one end away from the main part 32；In the sound hole 31
Side close to the main part 32 is provided with audio-frequency generator, and the audio-frequency test signal that the audio-frequency generator is sent is by pronouncing
Hole 31 is sent out, its convex portion 33 equivalent to simulation human body oral cavity, closer to human design, it is ensured that test result it is accurate
Property.
The artificial ear body includes the pedestal 241 that it is internally provided with emulation duct, and the pedestal 241 is installed with described
Groove 21 is adapted；Be provided with artificial ear housing 242 on the pedestal 241, be provided with the artificial ear housing 242 with it is described
The earhole of duct connection, the audio receiver is arranged in the duct ear on the side away from the earhole, its pedestal 241
Road is equivalent to the duct for simulating human body, closer to human design, it is ensured that the accuracy of test result.
For the improvement of above-described embodiment, in the present embodiment, the terminal fixation kit includes：It is arranged on the ear mount
It is arcwall face to be provided with several Blind locating holes 25 upper and inserted for pilot pin, ear mount at Blind locating holes, several positioning
The depth of blind hole 25 is inconsistent, and the length of its pilot pin is consistent；It is convenient that any one pilot pin is inserted into any one positioning blind
In hole 25, installation rate is improved；The one end of the pilot pin away from the Blind locating holes 25 is arranged with elastometric boot, described fixed
The position one end of bolt away from the Blind locating holes 25, which is formed, can place the horizontal checkout platform of the terminal to be measured.
The terminal fixation kit also includes：For being pressed against the pressure adapter in the terminal to be measured (not in figure
Show), the pressure adapter is removably connected to the connector 23 being rotatably arranged on fixture 22, and the fixture 22 is set
Put in side of the ear mount 20 away from the artificial mouth 30；When the pressure adapter is pressed against in the terminal to be measured,
The pressure value of the pressure adapter reaches preset pressure value, and preset pressure value can be 6N or 8N.
For the improvement of above-described embodiment, in the present embodiment, as shown in fig. 6, acoustical testing analyzer include being used for controlling,
The central processing unit 60 of process signal, the measuring signal generator 61 for generating audio-frequency test signal, for amplifying the sound
The power amplifier 62 of frequency test signal, the analog-digital converter 63 for simulated audio signal to be converted into digital audio and video signals；
The central processing unit 60 is electrically connected with the measuring signal generator 61, for being sent out to measuring signal generator 61
Control instruction is sent, the generation of the measuring signal generator 61 audio-frequency test signal is controlled；
The measuring signal generator 61 is electrically connected with the power amplifier 62, and 62 pairs of the power amplifier is received
Audio-frequency test signal be amplified；
The power amplifier 62 is electrically connected with the audio-frequency generator 34, and the power amplifier 62 is sent out to the audio
Raw device 34 sends the audio-frequency test signal after amplification, and is played out by audio-frequency generator 34；
The audio receiver 243 is electrically connected with the analog-digital converter 63, and the audio receiver 243 receives end to be measured
The simulated audio signal sent is held, simulated audio signal is converted into digital audio and video signals by the analog-digital converter 63；
The analog-digital converter 63 is electrically connected with the central processing unit 60.The acoustical testing analyzer also includes difference
The Erarable Programmable Read only Memory and/or internal memory electrically connected with the central processing unit 60, reseting module.
For the improvement of above-described embodiment, in the present embodiment, the terminal fixation kit 40 has included connecting supporting role
Mobile jib 41, the mobile jib 41 is removably connected to the connector 23 being rotatably arranged on fixture 22, and the fixture 22 is set
Put in side of the ear mount 20 away from the artificial mouth 30；On the mobile jib 41 many are provided through along its bar length direction
Pole 42, the bar length of every pole 42 is long perpendicular to the bar of the mobile jib 41；A pair are provided with every pole 42 is used to clamp
The supporting rod 43 of terminal to be measured, the supporting rod 43 can be moved along the bar length direction of the pole 42, to change terminal to be measured
Clip position.
For the improvement of above-described embodiment, in the present embodiment, being also at least provided through one on the mobile jib 41 is used for
Support the support bar (being not shown) of the terminal to be measured, the bar of the bar length of the support bar perpendicular to the pole 42
It is long；The through hole for offering and passing through for the support bar on external screw thread, the pole 42, the through hole are provided with the support bar
Madial wall on be provided with the internal thread that external screw thread is engaged on the support bar, by described clockwise or counterclockwise
Support bar can adjust the bearing height of support bar up and down.The support bar close to the terminal to be measured one end end sleeve be provided with by
The protective case that elastomeric material (such as rubber) is made.The support bar could be arranged to 1,2,3 etc., many supports
Bar is evenly distributed on the mobile jib 41.
For the improvement of above-described embodiment, in the present embodiment, installation chute, the supporting rod are provided with every pole 42
43 can move in the installation chute along flute length direction；The two ends end of every pole 42 is separately provided for controlling institute
State the regulating member 45 of the movement of supporting rod 43, the clamping that the regulating member 45 of one end end is used to adjust on the root pole 42
Bar 43 is moved, and another supporting rod 43 that the regulating member 45 of other end end is used to adjust on the root pole 42 is moved；It is described
Regulating member 45 is connected to the supporting rod 43 by driving member, and the distance conversion on direction of rotation is in line by the driving member
On distance.
The pole socket 46 that can be moved along its flute length direction for a pair, and a pair of the difference of pole sockets 46 positions are embedded with the installation chute
In the left and right sides of the mobile jib 41.The driving member is connected to the supporting rod 43, the supporting rod by the pole socket 46
43 are removably connected to the pole socket 46.Side of the supporting rod 43 away from the pole socket 46 is arranged with to be made by elastomeric material
Protective case.
For the improvement of above-described embodiment, in the present embodiment, as shown in figure 4, this acoustical testing system also includes being used to adjust
The terminal positioning seat 50 of the terminal clip position to be measured is saved, the terminal positioning seat 50 includes block board 51 and fixed support
Bar 52, the fixed support bar 52 is arranged on the lower section of the block board 51, the fixation for supporting the fixed block board 51
Support bar 52, the fixed support bar 52 could be arranged to many (such as 3,4)；Being offered on the block board 51 is used for
The screens groove 53 of the fixed terminal fixation kit 40 (mobile jib)；The top of the block board 51 is provided with center distance measurement plate
54, the center distance measurement plate 54 is fixedly installed on the block board 51 by connecting rod 55, and the connecting rod 55 is set to
Many (such as 3,4)；It is provided with the center distance measurement plate 54 on transparence watch window 56, the watch window 56
It is marked with center distance measurement scale；The watch window 56 is located at the surface of screens groove 53 on the block board 51.
For the improvement of above-described embodiment, in the present embodiment, side of the ear mount 20 away from the artificial mouth 30 is set
Have and connector 23 is rotatably connected on fixture 22, the fixture 22, the connector 23 is removably connected to the terminal
Fixation kit 40 (mobile jib or pressure adapter).Offered on the fixture 22 connector 23 is carried out it is spacing spacing
Groove 221；The connector 23 rotates one end end being connected with the fixture 22 and is located in the stopper slot 221.
For the improvement of above-described embodiment, in the present embodiment, as shown in figure 3, the fixed support 10 includes being used to fix
The ear mount 20, the fixed installation plate 11 of artificial mouth 30 are installed, the ear mount 20 is sticked in the upside of the fixed installation plate 11,
The artificial mouth 30 by install annex be fixedly mounted on it is described fixed installation plate 11 on, and positioned at the ear mount 20 it is oblique under
Side.The fixed installation plate 11 is removably mounted on the pedestal 12.
In summary, the high labyrinth of head and torso simulator is given up in the utility model, is operated when simplifying test
Step, optimizes clamp structure design so that test manual operation only needs three steps to complete.Mobile phone fixture knob is changed to torque
Knob, it is ensured that every measured terminal stress is constant.
The specifically used process of this acoustical testing system is as follows：
Pilot pin is inserted after Blind locating holes 25, on the horizontal checkout platform that terminal to be measured is placed on to pilot pin formation.Treat
The artificial ear surveyed in the loudspeaker alignment ear mount in terminal, microphone in terminal to be measured is towards artificial mouth.Pressure is adapted to again
Device is pressed against in terminal to be measured with preset pressure value.
Or, terminal fixation kit 40 (mobile jib) is fixed on terminal positioning seat 50, terminal to be measured is placed on terminal
On fixation kit 40, the screen of terminal to be measured is upward.Whether the clip position that terminal to be measured is observed on watch window 56 occurs
Skew, rotates the regulating member 45 of the every two ends end of pole 42, carrys out the clip position of left and right adjusting terminal to be measured.
The terminal fixation kit 40 (mobile jib) for being provided with terminal to be measured is arranged on connector 23, and rotates the connection
Part 23 so that connector 23 rotates one end end being connected with the fixture 22 and is located at the upper limit position groove 221 of fixture 22
It is interior；So that end level to be measured is positioned over the top of the ear mount 20.Using acoustical testing analyzer in terminal to be measured
Sound performance tested.
It should be noted that above-described embodiment can independent assortment as needed.Described above is only of the present utility model
Preferred embodiment, it is noted that for those skilled in the art, is not departing from the utility model principle
On the premise of, some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of acoustical testing system, it is characterised in that including：
Fixed support, and be fixedly mounted on the fixed support ear mount, artificial mouth；Also set up on the fixed support
There is the terminal fixation kit for fixing terminal to be measured；The mounting groove for disposing artificial ear is offered in the ear mount；
The artificial ear includes artificial ear body, and is arranged on the audio receiver of the artificial ear body interior；
The artificial mouth includes the artificial mouth body for being provided with sound hole, and is arranged on the audio of the artificial mouth body interior
Generator；
Acoustical testing analyzer for testing sound performance in the terminal to be measured, the acoustical testing analyzer respectively with institute
State audio receiver, audio-frequency generator electrical connection.
2. acoustical testing system as claimed in claim 1, it is characterised in that：
The notch that the ear mount is arranged on mounting groove in the oblique upper of the artificial mouth, the ear mount is set upward；The terminal
Fixation kit is located above the ear mount.
3. acoustical testing system as claimed in claim 2, it is characterised in that：
Horizontal line on the artificial ear where earhole central point and sound hole on earhole central point on the artificial ear, artificial mouth
Line shape is angled 21.5~25.5 ° of angle between central point；
On the artificial ear on earhole central point and the artificial mouth between pronunciation central point of hole the length of line for 106~
121mm。
4. acoustical testing system as claimed in claim 2, it is characterised in that the acoustical testing analyzer includes：
Central processing unit, measuring signal generator, power amplifier, analog-digital converter；The central processing unit and the test
Signal generator is electrically connected, and the measuring signal generator is electrically connected with the power amplifier, the power amplifier and institute
State audio-frequency generator electrical connection；The audio receiver is electrically connected with the analog-digital converter, the analog-digital converter with it is described
Central processing unit is electrically connected.
5. acoustical testing system as claimed in claim 2, it is characterised in that the terminal fixation kit includes：
Several Blind locating holes for being arranged in the ear mount and being inserted for pilot pin, the depth of several Blind locating holes is different；
The one end of the pilot pin away from the Blind locating holes, which is formed, can place the horizontal checkout platform of the terminal to be measured.
6. acoustical testing system as claimed in claim 5, it is characterised in that the terminal fixation kit also includes：
For the pressure adapter being pressed against in the terminal to be measured, the pressure adapter, which is removably connected to, to be rotatably arranged on
Connector on fixture, the fixture is arranged on side of the ear mount away from the artificial mouth；
When the pressure adapter is pressed against in the terminal to be measured, the pressure value of the pressure adapter reaches preset pressure
Value.
7. acoustical testing system as claimed in claim 2, it is characterised in that the terminal fixation kit includes：
Mobile jib, the mobile jib is removably connected to the connector being rotatably arranged on fixture, and the fixture is arranged on described
Side of the ear mount away from the artificial mouth；
Many poles are provided through along its bar length direction on the mobile jib, the bar length of every pole is perpendicular to the mobile jib
Bar is long；
Being provided with every pole is used to clamping the supporting rod of terminal to be measured for a pair, the supporting rod can along the pole bar
Length direction moves to change the clip position of terminal to be measured.
8. the acoustical testing system as described in any one in claim 1~7, it is characterised in that also include：
Terminal positioning seat for adjusting the terminal clip position to be measured, the terminal positioning seat includes block board and solid
Determine support bar, the fixed support bar, which is arranged on the lower section of the block board, the block board, to be offered for fixed described
The screens groove of terminal fixation kit.
9. the acoustical testing system as described in any one in claim 1~7, it is characterised in that：
The artificial ear body includes the pedestal that it is internally provided with emulation duct, and the pedestal is adapted with the mounting groove；
Artificial ear housing is provided with the pedestal, the earhole connected with the duct is provided with the artificial ear housing.
10. the acoustical testing system as described in any one in claim 1~7, it is characterised in that：
The artificial mouth body includes hollow, cylindrical body portion and circular cone shape convex portion, and the sound hole is along the convex portion
Center line through being opened on the convex portion；
The convex portion is arranged on one end of the main part, and the convex portion diameter from one end close to the main part to remote
From the tapered at one end of the main part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621484061.0U CN206452551U (en) | 2016-12-30 | 2016-12-30 | A kind of acoustical testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621484061.0U CN206452551U (en) | 2016-12-30 | 2016-12-30 | A kind of acoustical testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206452551U true CN206452551U (en) | 2017-08-29 |
Family
ID=59674054
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621484061.0U Expired - Fee Related CN206452551U (en) | 2016-12-30 | 2016-12-30 | A kind of acoustical testing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206452551U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111083583A (en) * | 2019-12-18 | 2020-04-28 | 公安部第三研究所 | Be applied to testing arrangement at desktop gooseneck microphone formula terminal of talkbacking |
| CN117686085A (en) * | 2024-01-31 | 2024-03-12 | 荣耀终端有限公司 | Device and method for testing shaking abnormal sound of terminal product |
-
2016
- 2016-12-30 CN CN201621484061.0U patent/CN206452551U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111083583A (en) * | 2019-12-18 | 2020-04-28 | 公安部第三研究所 | Be applied to testing arrangement at desktop gooseneck microphone formula terminal of talkbacking |
| CN117686085A (en) * | 2024-01-31 | 2024-03-12 | 荣耀终端有限公司 | Device and method for testing shaking abnormal sound of terminal product |
| CN117686085B (en) * | 2024-01-31 | 2024-07-26 | 荣耀终端有限公司 | Device and method for testing shaking abnormal sound of terminal product |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170829 |