CN109743664A - Test bracket and loudness test macro - Google Patents
Test bracket and loudness test macro Download PDFInfo
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- CN109743664A CN109743664A CN201811457656.0A CN201811457656A CN109743664A CN 109743664 A CN109743664 A CN 109743664A CN 201811457656 A CN201811457656 A CN 201811457656A CN 109743664 A CN109743664 A CN 109743664A
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Abstract
The present embodiments relate to the field of test technology, a kind of test bracket and loudness test macro are disclosed.In the present invention, test bracket in loudness test macro includes: the first carriage, first carriage includes the first sliding part and the first fixed part, it is provided on the first sliding part for placing the mounting table being devices under, it is moved in upper Y-direction along the horizontal plane when mounting table is slided with the first sliding part relative to the first fixed part, Y-direction is to the measuring distance adjustment direction being devices under when carrying out loudness test, so that when using this system test active audio frequency equipment or device acoustic pressure, it can be convenient, accurately, reliably look for measuring distance, and then test the ringing tone loudness for obtaining equipment, improve testing efficiency.
Description
Technical field
The present embodiments relate to the field of test technology, in particular to a kind of test bracket and loudness test macro.
Background technique
With the development of the terminal devices such as mobile phone, tablet computer, speaker and the progress of the relevant technologies, user is to terminal device
Various additional functions require it is higher and higher, wherein the ringing tone loudness of equipment be exactly user buy one of terminal device it is important
Consider index.Loudness is an index of voice metric energy when electric signal is converted to acoustic vibration, is human auditory system to sound
Strong and weak subjective feeling, it and the objective sound intensity are two entirely different concepts.Currently, terminal device all can be into before factory
The test of row ringing tone loudness, the group of finger loudspeaker (SPK) monomer primarily directed to equipment or the SPK monomer comprising external cavity
The audio loudness of fit (BOX monomer) is tested.Test process is will to be devices under to be placed on audio-frequency test bracket, so
Signal receiving device is placed within the scope of certain distance afterwards, receives the audio signal for being devices under sending, and to audio signal
The analysis in the test of the tinkle of bells loudness and entire test process to acoustic amplitudes is carried out under different measuring distances.
Traditional audio-frequency test bracket is primarily present several defects below:
Seek away from cumbersome: the either test of SPK monomer, BOX monomer or complete machine the tinkle of bells loudness has to measuring distance
It is required that traditional distance method of looking for mainly uses graduated scale to measure distance, this method can be because artificially in three-dimensional space
It is middle measurement and generate large error；
Trivial operations: chucking device can because model machine to be measured or device replacement, and caused by position deviation, need
Height, distance etc. are readjusted, this not only results in the waste of testing time, and readjustment can generate new error, this
For the data of standard edge, it is affected；
Data needs artificially go to analyze, and very big manpower is caused to waste.
Summary of the invention
Embodiment of the present invention is designed to provide a kind of test bracket and loudness test macro, so that being using this
When unified test tries active audio frequency equipment or device acoustic pressure, it can be convenient, accurately and reliably look for measuring distance, and then test
The ringing tone loudness of equipment out improves testing efficiency.
In order to solve the above technical problems, embodiments of the present invention provide a kind of test bracket, comprising: the first sliding dress
It sets, first carriage includes the first sliding part and the first fixed part, is provided on first sliding part for putting
The mounting table being devices under is set, on edge when the mounting table is slided with first sliding part relative to first fixed part
It is moved in Y-direction on horizontal plane, the Y-direction is to the measuring distance adjustment side being devices under when carrying out loudness test
To.
Embodiments of the present invention additionally provide a kind of loudness test macro, comprising: data acquisition device and the present invention mention
Any test bracket supplied；The data acquisition device includes: audio signal reception module, laser range finder sum number
According to processing module；
The audio signal reception module is used to receive being devices under of placing on mounting table on the test bracket
The audio signal of sending；
The laser range finder is used to test the sound mouth being devices under and the audio signal reception module in Y
The distance in direction；
The data processing module is used to be analyzed and processed the received audio signal of audio signal reception module,
Obtain the loudness of the audio signal.
Embodiment of the present invention in terms of existing technologies, by the way that the first carriage is arranged in test bracket,
One carriage includes the first sliding part and the first fixed part, is provided on the first sliding part and is devices under for placing
Mounting table moves in upper Y-direction along the horizontal plane, Y-direction when mounting table is slided with the first sliding part relative to the first fixed part
To control the first sliding part relative to first to pass through to the measuring distance adjustment direction being devices under when carrying out loudness test
Fixed part sliding improves test to conveniently, accurately and reliably look for for the measuring distance being devices under on mounting table
Efficiency.
In addition, above-mentioned test bracket further include: the second carriage, the second carriage include the second sliding part and second
Fixed part, the first fixed part are fixedly connected with the second sliding part, and the first carriage is fixed relative to second with the second sliding part
It is moved in upper X-direction along the horizontal plane when portion is slided, X-direction is vertical with Y-direction, thus to being devices under on mounting table
Position in X-direction is easily and flexibly adjusted, and measurement direction is looked in assistance, improves testing efficiency.
In addition, the first carriage is located above the second carriage, the first fixed part and the second sliding part pass through level
Substrate is fixedly connected, and scale is provided on horizontal base plate, for measuring the horizontal position of mounting table, to conveniently look for mounting table
On be devices under position in the horizontal plane.
In addition, being provided with bottom plate below the second carriage, it is arranged in parallel on bottom plate there are two litter, is used in X direction
The first carriage is supported to move in upper X-direction along the horizontal plane when sliding with the second sliding part relative to the second fixed part, from
And improve stability of first carriage in sliding process.
In addition, above-mentioned test bracket further include: third carriage, third carriage include third sliding part and third
Fixed part, the first sliding part are fixedly connected with third fixed part, and mounting table is connect with third sliding part, and mounting table is slided with third
It is moved when portion is slided relative to third fixed part in vertical Z-direction, thus to being devices under on mounting table in Z-direction
On position easily and flexibly adjusted, measurement direction is looked in assistance, improves testing efficiency.
In addition, third carriage includes: direct current generator, vertical litter, the loop bar being set on vertical litter, mounting table
It is connect with loop bar；Direct current generator moves on vertical litter for controlling loop bar, to drive mounting table to move up along vertical Z-direction
It is dynamic.It indirectly controls mounting table by direct current generator to move in z-direction, thus to being devices under on mounting table in Z-direction
On position carry out quickly, reliable adjustment, assistance looks for measurement direction, improves testing efficiency.
In addition, above-mentioned test bracket further include: the support rod of connection mounting table and loop bar, and support rod connection mounting table
One end is provided with transfer, for controlling the steering posture of mounting table, and then to the posture being devices under on mounting table into
Row adjustment, assistance meet testing requirement, improve the availability of test bracket.
In addition, additionally providing a kind of loudness test macro on the basis of above-mentioned test bracket, comprising: data acquisition dress
It sets and any test bracket provided by the invention；Data acquisition device include: audio signal reception module, laser range finder and
Data processing module；Audio signal reception module be used to receive placed on mounting table on test bracket be devices under sending
Audio signal；Laser range finder be used to test the sound mouth that is devices under and audio signal reception module in the Y direction away from
From；Data processing module obtains audio signal for being analyzed and processed to the received audio signal of audio signal reception module
Loudness.Loudness test macro provided by the invention can realize the complete test flow for loudness test.
Further, in data acquisition device further include: display module, for showing every test number in test process
According to facilitating test operation to intuitively be shown to test data.
Further, in data acquisition device further include: for controlling the first carriage and/or second in test bracket
The control key of carriage and/or third carriage and/or transfer, to be filled to the corresponding sliding in test bracket
It sets and is flexibly controlled, easily and fast, accurately look for measuring distance.
Detailed description of the invention
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the concrete structure diagram one of the test bracket of first embodiment according to the present invention；
Fig. 2 is the concrete structure diagram two of the test bracket of first embodiment according to the present invention；
Fig. 3 is the concrete structure diagram of the transfer of first embodiment according to the present invention；
Fig. 4 is the concrete structure diagram of the loudness test macro of second embodiment according to the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Each embodiment be explained in detail.However, it will be understood by those skilled in the art that in each embodiment party of the present invention
In formula, in order to make the reader understand this application better, many technical details are proposed.But even if without these technical details
And various changes and modifications based on the following respective embodiments, the application technical solution claimed also may be implemented.
The first embodiment of the present invention is related to a kind of test brackets.The core of present embodiment is in the test bracket
Including the first carriage, the first carriage includes the first sliding part and the first fixed part, is provided on the first sliding part
For placing the mounting table being devices under, along the horizontal plane when mounting table is slided with the first sliding part relative to the first fixed part
It is moved in upper Y-direction, Y-direction is to the measuring distance adjustment direction being devices under when carrying out loudness test, thus convenient, quasi-
Really, it reliably looks for for the measuring distance being devices under on mounting table, improves testing efficiency.Below to present embodiment
The realization details of test bracket is specifically described, and the following contents only for convenience of the realization details provided is understood, is not implemented
This programme it is necessary.
Test bracket in present embodiment is as shown in Figure 1, specifically include:
First carriage, first carriage include the first sliding part 111 and the first fixed part 112, are slided first
It is provided in dynamic portion 111 for placing the mounting table 120 being devices under, mounting table 120 is with the first sliding part 111 relative to the
It is moved in upper Y-direction along the horizontal plane when one fixed part 112 slides, Y-direction is to being devices under when carrying out loudness test
Measuring distance adjustment direction.
Specifically, the first fixed part 112 in above-mentioned first carriage can be the sliding rail placed along Y-direction or cunning
Slot, the first sliding part 111 is arranged on the first fixed part 112, with the sliding rail or sliding groove structure coupling in the first fixed part 112
It closes, and can be free to slide along Y-direction.In practical application scene, which, which can use, includes linear motor
Or direct current generator etc. can control part self structure and realize along the mechanical device that a direction moves along a straight line.In addition,
Need overall description, the sliding part in carriage and fixed part referred in the application be it is opposite, the two is in title
It is essentially that can be interchanged in upper and structure, and in actual operation, opposing stationary part will be kept with ambient enviroment
Referred to as fixed part, by there are the parts of relative motion to be known as sliding part with ambient enviroment.
It is provided on the first sliding part 111 for placing the mounting table 120 being devices under.In fact, the mounting table
120 both can directly be directly connected to the first sliding part 111, can also be connected indirectly with the first sliding part 111 by other structures
It connects.When the first sliding part 111 is slided relative to the first fixed part 112, mounting table 120 is as with the first sliding part 111
It connects and is moved in upper Y-direction along the horizontal plane.
In the present solution, Y-direction is determined as to be devices under on mounting table 120 carry out loudness test when test away from
From adjustment direction.It, can be by audio signal reception module and the sound mouth being devices under in the loudness that test is devices under
It pre-adjusts in same level, and the direction of the two line is Y-direction.By the first sliding part 111 of control relative to the
One fixed part 112 sliding, to change the measuring distance being devices under between audio signal reception module, for difference
Measuring distance tests the loudness value being devices under.During the test, since mounting table 120 can be connected relative to Y-direction
Continuous position adjustment, therefore, as long as before testing, audio signal reception module is pre-adjusted with the sound mouth being devices under
In same level, and the direction of the two line is Y-direction, then quickly can adjust and look for during the test
Measuring distance is sought, testing efficiency is improved.
Further, it may also include that the second carriage in test bracket shown in FIG. 1, the second carriage includes the
Two sliding parts 131 and the second fixed part 132, the first fixed part 112 are fixedly connected with the second sliding part 131, the first carriage
It is moved in upper X-direction along the horizontal plane when being slided with the second sliding part 131 relative to the second fixed part 132, X-direction and Y-direction
Vertically.
Specifically, the second fixed part 132 in above-mentioned second carriage can be the sliding rail placed in X direction or cunning
Slot (is not drawn into) in figure, the second sliding part 131 be arranged on the second fixed part 132, in the second fixed part 132 sliding rail or
Sliding groove structure coupling, and can be free to slide in X direction.In practical application scene, which can be using packet
It can control the mechanical device that part self structure moves along a straight line along a direction containing linear motor or direct current generator etc.
It realizes.
It, can be sliding relative to the second fixed part 132 by the second sliding part 131 of control in the loudness that test is devices under
It is dynamic, to change the position being devices under on mounting table 120 in the X direction, believe the sound mouth being devices under and audio
Number receiving module is on the same position of X-direction.During the test, since mounting table 120 can be connected relative to Y-direction
Continuous position adjustment, therefore, as long as before testing, audio signal reception module is pre-adjusted with the sound mouth being devices under
In same level, and through the second carriage of control, the sound mouth being devices under is adjusted in the position of X-direction
Position identical with X-direction position where audio signal reception module, the i.e. direction of the two line are Y-direction, then
During the test, measuring distance is quickly adjusted and looked for, testing efficiency is improved.
Further, above-mentioned first carriage can be located above the second carriage, and the first fixed part 112 and second is sliding
Dynamic portion 131 can be fixedly connected by horizontal base plate (being not drawn into figure), may be provided with scale on the horizontal base plate, be put for measuring
The horizontal position of platform 120 is set, so that quickly positioning is placed when by adjusting the first carriage and/or the second carriage
The position of platform 120 in the horizontal plane.
Further, as shown in Figure 1, being provided with bottom plate 140 below above-mentioned second carriage, on bottom plate 140 in X direction
It is arranged in parallel there are two litter 150, for supporting the first carriage with the second sliding part 131 relative to the second fixed part 132
It is moved in upper X-direction along the horizontal plane when sliding.
Specifically, as shown in fig. 1, it can set the first fixed part 112 to beyond the second sliding part along the both ends of Y-direction
The length structure at 131 edges, and the structure division exceeded is mounted on litter 150.In this way, when the first carriage is with second
Sliding part 131 is whole when sliding in X direction, can by litter 150 support and keep attitude stabilization.
Further, as shown in fig. 1, above-mentioned test bracket may also include that third carriage, the third carriage
Including third sliding part 161 and third fixed part 162, the first sliding part 111 is fixedly connected with third fixed part 162, mounting table
120 connect with third sliding part 161, on edge when mounting table 120 is slided with third sliding part 161 relative to third fixed part 162
It is moved in vertical Z-direction.
Specifically, the third fixed part 162 in above-mentioned third carriage can be litter, the sliding rail placed along Z-direction
Or sliding slot (being shown in figure with litter), third sliding part 161 is arranged on third fixed part 162, in third fixed part 162
Litter, sliding rail or sliding groove structure coupling, and can be free to slide along Z-direction.In practical application scene, second sliding
Device can carry out straight line along a direction using can control part self structure comprising linear motor or direct current generator etc.
The mechanical device of movement is realized.
For example, above-mentioned third carriage can include: direct current generator 163, vertical litter (correspond to third fixed part
162) loop bar (corresponding to third sliding part 161), being set on vertical litter, mounting table 120 is connect with loop bar；Direct current generator
163 move on vertical litter for controlling loop bar, to drive mounting table 120 to move in vertical Z-direction.
It, can be sliding relative to third fixed part 162 by control third sliding part 161 in the loudness that test is devices under
It is dynamic, to change the position being devices under on mounting table 120 in z-direction, believe the sound mouth being devices under and audio
Number receiving module is on the same position of Z-direction.During the test, since mounting table 120 can be connected relative to Y-direction
Continuous position adjustment, therefore, if before testing, by third carriage by audio signal reception module be devices under
Sound mouth adjust in same level, i.e., the position in Z-direction is identical, and by control the second carriage, will be tested
The sound mouth of examination equipment is adjusted to position identical with X-direction position where audio signal reception module in the position of X-direction, i.e.,
The direction of the two line is Y-direction, then measuring distance quickly can be adjusted and be looked for during the test, improves and surveys
Try efficiency.
Further, test bracket combining Figure 1 and Figure 2, in test bracket provided by the invention further include: connection
The support rod 170 of mounting table 120 and loop bar, and one end of the connection mounting table 120 of support rod 170 is provided with transfer 180, uses
In the steering posture of control mounting table 120.
It, can be first in order to which more flexible changing is tested the posture position of article on mounting table 120 in practical application scene
Mounting table 120 and the third sliding part 161 in third carriage are attached by the way that support rod 170 is whole, guarantee to place
The own sliding of platform 120 in z-direction；Transfer 180 is set in the junction of support rod 170 and mounting table 120 simultaneously, from
And the steering operation that mounting table 120 carries out different postures relative to support rod 170 is controlled by transfer 180.Wherein, Fig. 1
Middle mounting table 120 is in horizontality, and mounting table 120 is in a vertical state in Fig. 2.
Wherein, above-mentioned transfer 180 can be as shown in figure 3, specifically may include stepper motor 181 and gear 182, stepping electricity
Machine 181 engages connection with gear 182, rotates for controlling gear 182, and then drive the mounting table being fixedly connected with gear 182
120 carry out Posture exchange with vertical direction in the horizontal direction.In practical application scene, can according to the needs rotated to posture,
The transfer 180 that selection can control different posture rotations controls the posture of mounting table 120.
Compared with prior art, for embodiment of the present invention by the way that the first carriage is arranged in test bracket, first is sliding
Dynamic device includes the first sliding part and the first fixed part, is provided on the first sliding part for placing the placement being devices under
Platform moves in upper Y-direction along the horizontal plane when mounting table is slided with the first sliding part relative to the first fixed part, and Y-direction is pair
It is devices under measuring distance adjustment direction when carrying out loudness test, to conveniently, accurately and reliably look for for mounting table
On the measuring distance that is devices under, improve testing efficiency.
Further, in preferred and/or expansion scheme, increasing control mounting table 120, upper X-direction is moved up along the horizontal plane
The third carriage that dynamic the second carriage, control mounting table 120 move in vertical Z-direction, and control mounting table
120 carry out the transfer of posture rotation, are combined, are ok using therein any or two or more control structure
The flexible and quick adjustment to the position being devices under on mounting table is further increased, the availability of test bracket is improved, from
And improve testing efficiency.
Second embodiment of the present invention is related to a kind of loudness test macro.Second embodiment is in first embodiment
On the basis of the scheme done expand, which further includes data on the basis of including any of the above-described kind of test bracket
Acquisition device.As shown in figure 4, the data acquisition device includes: audio signal reception module 191, laser range finder 192 and data
Processing module 193；Wherein, audio signal reception module 191 is used to receiving places on mounting table 120 on above-mentioned test bracket
It is devices under the audio signal of sending；Laser range finder 192 connects for testing the sound mouth being devices under with audio signal
Receive the distance of module 192 in the Y direction；Data processing module 193 is used for the received audio signal of audio signal reception module 191
It is analyzed and processed, obtains the loudness of audio signal.
Specifically, above-mentioned audio signal reception module 191 can be a sensitive standard free field microphone, microphone
Receiving end can be placed horizontally on a bracket, by connecting line directly by the audio signal transmission received to data processing module
The real-time analysis of data is carried out in 193.Because of the propagation principle of sound, for the reflections affect test data for avoiding sound, support
The diameter of the bracket of microphone wants as small as possible, and the surrounding of standard free field microphone is isolation vacant state with other objects,
Surrounding cannot have barrier.
Laser range finder 192 can be tightly attached to the lower end setting of audio signal reception module 191, during the test, laser
The sound mouth being devices under on rangefinder 192 and mounting table 120 is located at same level and along Y-direction face.It is controlling in this way
When mounting table 120 processed is slided along Y-direction, laser range finder 192 can go out audio signal reception module 191 with what is be devices under
Measuring distance between sound mouth measures.
The 193 settable analysis chip for being exclusively used in audio signal analysis in inside of data processing module, to received audio
Signal such as amplitude is analyzed, and the amplitude of received audio signal in whole process from start to end is obtained in test process
Figure.
Further, it may also include that display module 194 in data acquisition device shown in Fig. 4, tested for showing
Every test data in journey.
For example, the display module 194 is arranged in the outside of data processing module 193, quilt can be shown in measurement process
Measuring distance of the test equipment to audio signal reception module 191, amplitude, loudness value size of audio signal etc..
Further, may also include that in data acquisition device shown in Fig. 4 for controlling the first sliding in test bracket
The control key 195 of device and/or the second carriage and/or third carriage and/or transfer.
Specifically, above-mentioned data acquisition device can form integral structure with test bracket, in the outer of data processing module 193
Above-mentioned control key 195 is arranged in side, facilitate tester on test bracket each carriage and transfer control.
Furthermore it is also possible to which the control key of following function is arranged:
K1；Control the operation beginning and end of data acquisition device；
K2: steering state (horizontally or vertically) of the control transfer 180 to mounting table 120；
K3: the mode (instantaneous value/average value/maximum/minimum) of data is shown for switching display.
Knob: for changing the distance (measuring distance for changing Y-direction) of audio signal reception module 191 to test point.
Knob is micro-positioning regulators device.After given measuring distance, by adjusting knob, real-time display on display module 194 is observed
The distance that laser range finder 192 measures, corresponding just controllable first carriage, looks for accurate measuring distance.
In addition, in the also settable data output interface 196 (such as USB interface) in the outside of data processing module 193, with output
The various data that the analysis of data processing module 193 generates；Power switch 197, for opening and closing loudness test macro.
During the test, data acquisition device shown in Fig. 4 is carried out simultaneously with any of the above-described kind of test bracket along Y-direction
Arrangement is set.The sound mouth being devices under in audio signal reception module 191 and mounting table 120 is located at same level, and two
The line direction of person is Y opposite direction, i.e. the sound mouth of audio signal reception module 191 and mounting table 120 face in the Y direction；
By adjusting the first carriage, observe the distance of the measurement of real-time display on display module 194, look for accurately test away from
From.
In addition, in Fig. 1, test bracket shown in Fig. 2, it can also be by above-mentioned the second carriage of control and third sliding dress
The control key (switch of linear motor or direct current generator) set is set up directly on the second carriage and third carriage, from
And control mounting table 120 is facilitated to move in X direction, in Z-direction.
Loudness test macro after initialization, manually adjusts X, the position of Z-direction (turns on the switch manually, turns off the switch and
Adjust), the laser water horizontal line for issuing the sound mouth being devices under alignment laser range finder 192.Later, the two directions
State will not change again in entire test process；The first carriage is controlled by control key 195, and then is controlled
The position of mounting table 120 in the Y direction, to adjust the distance that mounting table 120 arrives audio signal reception module 191, this distance meeting
Change with the variation of test mode, can be used 192 automatic seeking of laser range finder away from.
Present embodiment provide loudness test macro, include any of the above-described kind of test bracket on the basis of, further include
Data acquisition device, the data acquisition device specifically include: audio signal reception module, laser range finder and data processing mould
Block；Wherein, audio signal reception module be used to receive placed on mounting table on above-mentioned test bracket be devices under sending
Audio signal；Laser range finder be used to test the sound mouth that is devices under and audio signal reception module in the Y direction away from
From；Data processing module obtains audio signal for being analyzed and processed to the received audio signal of audio signal reception module
Loudness, to realize complete loudness testing process.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of test bracket characterized by comprising the first carriage, first carriage include the first sliding
Portion and the first fixed part are provided with for placing the mounting table being devices under, the mounting table on first sliding part
It is moved in upper Y-direction along the horizontal plane when being slided with first sliding part relative to first fixed part, the Y-direction is
To the measuring distance adjustment direction being devices under when carrying out loudness test.
2. test bracket according to claim 1, which is characterized in that the test bracket further include: the second carriage,
Second carriage includes the second sliding part and the second fixed part, and first fixed part is fixed with second sliding part
Connection, in upper X along the horizontal plane when first carriage is slided with second sliding part relative to second fixed part
It is moved on direction, the X-direction is vertical with the Y-direction.
3. test bracket according to claim 2, which is characterized in that first carriage is located at second sliding
Above device, first fixed part is fixedly connected by horizontal base plate with second sliding part, is set on the horizontal base plate
It is equipped with scale, for measuring the horizontal position of the mounting table.
4. test bracket according to claim 3, which is characterized in that it is provided with bottom plate below second carriage,
It is arranged in parallel along the X-direction there are two litter on the bottom plate, for supporting that first carriage is sliding with described second
It is moved in upper X-direction along the horizontal plane when dynamic portion is slided relative to second fixed part.
5. test bracket according to claim 1, which is characterized in that the test bracket further include: third carriage,
The third carriage includes third sliding part and third fixed part, and first sliding part is fixed with the third fixed part
Connection, the mounting table are connect with the third sliding part, and the mounting table is with the third sliding part relative to the third
Fixed part moves when sliding in vertical Z-direction.
6. test bracket according to claim 5, which is characterized in that the third carriage includes: direct current generator, erects
Straight litter, the loop bar being set on the vertical litter, the mounting table are connect with the loop bar；
The direct current generator moves on the vertical litter for controlling the loop bar, to drive the mounting table along vertical Z
It is moved on direction.
7. test bracket according to claim 6, which is characterized in that the test bracket further include: connect the placement
The support rod of platform and the loop bar, and support rod connects one end of the mounting table and is provided with transfer, it is described for controlling
The steering posture of mounting table.
8. a kind of loudness test macro characterized by comprising any described in data acquisition device and claim 1-7
Test bracket；The data acquisition device includes: audio signal reception module, laser range finder and data processing module；
The audio signal reception module be used to receive placed on mounting table on the test bracket be devices under sending
Audio signal；
The laser range finder is used to test the sound mouth being devices under and the audio signal reception module in the Y direction
Distance；
The data processing module is obtained for being analyzed and processed to the received audio signal of audio signal reception module
The loudness of the audio signal.
9. system according to claim 8, wherein in the data acquisition device further include: display module, for showing
Every test data in test process.
10. system according to claim 8 or claim 9, wherein in the data acquisition device further include: described for controlling
First carriage described in test bracket and/or second carriage and/or the third carriage and/or described
The control key of transfer.
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|---|---|---|---|
| CN201811457656.0A CN109743664A (en) | 2018-11-30 | 2018-11-30 | Test bracket and loudness test macro |
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| CN201811457656.0A CN109743664A (en) | 2018-11-30 | 2018-11-30 | Test bracket and loudness test macro |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117499624A (en) * | 2024-01-02 | 2024-02-02 | 四川启睿克科技有限公司 | Television audio testing device |
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Application publication date: 20190510 |