CN109756836A - Audio-frequency test equipment - Google Patents
Audio-frequency test equipment Download PDFInfo
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- CN109756836A CN109756836A CN201910116829.0A CN201910116829A CN109756836A CN 109756836 A CN109756836 A CN 109756836A CN 201910116829 A CN201910116829 A CN 201910116829A CN 109756836 A CN109756836 A CN 109756836A
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- 238000012360 testing method Methods 0.000 title claims abstract description 41
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- 238000005192 partition Methods 0.000 claims description 10
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- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012827 research and development Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 9
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Abstract
The present invention provides a kind of audio-frequency test equipment, including housing unit；Drawer appliance, including with the first slide unit that shell is fixedly connected, drawer backboard and the first actuator and workbench for driving the opposite workbench sliding of drawer backboard；Loudspeaker；Loudspeaker regulating mechanism, for adjusting the position of loudspeaker；Free field microphone, audio signal when for detecting loudspeaker and terminal sounding；Free field regulating mechanism, free field regulating mechanism are used to adjust the position of free field microphone.Audio-frequency test equipment provided by the invention, pass through the relative position of loudspeaker regulating mechanism adjustable horn and terminal, the relative position of free field microphone and terminal is adjusted by free field regulating mechanism, the audio-frequency test equipment is set to be suitable for the terminal of different model, without designing a variety of audio frequency apparatuses, research and development and production cost are reduced.
Description
Technical field
The invention belongs to the technical fields of terminal test equipment, are to be related to a kind of audio-frequency test equipment more specifically.
Background technique
In recent years, as the continuous of electronic product is popularized, such as mobile phone, plate, speaker, game machine intelligent terminal, consumption
Person is also higher and higher for the performance requirement of intelligent terminal.In order to meet consumer demand, guarantee the quality of terminal, special use
It is continuously emerged in the equipment of detection terminal capabilities, wherein audio-frequency test equipment is used to detect the signal-to-noise ratio, distortion rate, frequency of terminal
The parameters such as response.Currently, audio-frequency test equipment is sound proof box, the structures such as internal loudspeaker, free field are fixed, and are only applicable to one kind
The terminal of model, applicability is poor, and the terminal of different model needs to customize corresponding audio-frequency test equipment, cause design cost and
Production cost is higher.
Summary of the invention
The purpose of the present invention is to provide a kind of audio-frequency test equipment, are set with solving audio-frequency test existing in the prior art
Standby applicability is poor, design cost and the technical issues of high production cost when needing to test various types of terminals.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of audio-frequency test equipment is provided, comprising:
Housing unit comprising shell, the shell offer terminal entry；
Drawer appliance comprising for close the drawer backboard of the terminal entry, the workbench for placing terminal and
The first actuator for driving the drawer backboard and the workbench to relatively move；
Loudspeaker；
Loudspeaker regulating mechanism, the loudspeaker are connected to the loudspeaker regulating mechanism, and the loudspeaker regulating mechanism is for adjusting
The position of the loudspeaker；
Free field microphone, audio signal when for detecting the loudspeaker and the terminal sounding；
Free field regulating mechanism, the free field microphone are connected to the free field regulating mechanism, the free field tune
Section mechanism is used to adjust the position of the free field microphone.
Further, the drawer appliance further includes that the first slide unit being fixedly connected with the shell and the drawer are carried on the back
The first sliding rail that plate is fixedly connected, the workbench are connected to first sliding rail.
Further, the drawer appliance further includes the second sliding rail being fixedly connected with first sliding rail, with described the
The second slide unit that two sliding rails are slidably connected and the second driving for driving the workbench to slide on second sliding rail
Part, the workbench are fixedly connected with second slide unit.
Further, first sliding rail is equipped with block, the inside of the drawer backboard far from drawer backboard one end
It is fixed with the first buffer for block described in backstop, is further fixed on the inside of the drawer backboard for working described in backstop
Second buffer of platform.
Further, first Y-axis adjusts component and includes loudspeaker fixed plate, is fixedly connected on the loudspeaker fixed plate
First axle supporting block, the first slide-bar for being arranged in the first axle supporting block and for fixing the first axle supporting block and described
First fastener of one slide-bar, the first axle supporting block offer the first shaft hole passed through for the first slide-bar and with described
One axis hole connection the first notch, first fastener pass through first notch two sidewalls make the first axle supporting block and
First slide-bar compresses；
First X-axis adjust component include the second bearing block for being fixed on first slide-bar end, be arranged in it is described
Second slide-bar of second bearing block and the second fastener for fixing the second bearing block and second slide-bar, institute
It is identical with the structure of the second bearing block to state first axle supporting block；
First Z axis adjusts component and includes the slide-bar plate being fixedly connected with second slide-bar, is arranged in the slide-bar
Plate and the lead screw being threadedly coupled with the slide-bar plate and the handwheel for being fixed on described lead screw one end.
Further, the free field regulating mechanism includes that the second X-axis adjusts component, the second Y-axis adjusts component, the 2nd Z
Axis adjusts component, and the free field microphone, second X-axis adjust component, second Z axis adjusts component, the 2nd Y
Axis adjusts component and is sequentially connected.
Further, second X-axis adjust component include the third slide-bar being fixedly connected with the free field microphone,
3rd bearing block and the 4th slide-bar, the third slide-bar and the 4th slide-bar are arranged in the 3rd bearing block；
Second Z axis adjust component include the fourth bearing block being fixedly connected with the 4th slide-bar, be arranged in it is described
5th slide-bar of fourth bearing block and third fastener for fixing the 5th slide-bar and the fourth bearing block, institute
It states fourth bearing block and offers the second axis hole passed through for the 5th slide-bar and the second notch being connected to second axis hole,
The two sidewalls that the third fastener passes through second notch compress the fourth bearing block and the 5th slide-bar；
Second Y-axis adjusts component and includes the 5th bearing block connecting with the 5th slide-bar, is arranged in the described 5th
The 6th slide-bar in drive tab and the 4th fastener for fixing the 6th slide-bar and the 5th bearing block.
Further, the audio-frequency test equipment further include electric box, be set to the electric box and the housing unit it
Between partition and be fixed on the electrical appliance kit of the partition, the cable in the housing unit enters institute by the electrical appliance kit
State electric box.
Further, the electrical appliance kit including the first terminal plate, the second terminal plate and is located in first terminal plate
Puigging between second terminal plate.
The beneficial effect of audio-frequency test equipment provided by the invention is: compared with prior art, audio-frequency test of the present invention
Equipment includes housing unit, drawer appliance, loudspeaker, loudspeaker regulating mechanism, free field microphone, free field regulating mechanism, shell
The shell of component offers terminal entry, and terminal is sent into shell by drawer appliance and detects audio, passes through loudspeaker regulating mechanism
The opposite position of free field microphone and terminal is adjusted by free field regulating mechanism for the relative position of adjustable horn and terminal
It sets, the audio-frequency test equipment is made to be suitable for the terminal of different model, without designing a variety of audio frequency apparatuses, reducing research and development and being produced into
This.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram one of audio-frequency test equipment provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram two of audio-frequency test equipment provided in an embodiment of the present invention；
Fig. 3 is the structure chart of drawer appliance provided in an embodiment of the present invention and electric box；
Fig. 4 is the structure chart of electrical appliance kit provided in an embodiment of the present invention；
Fig. 5 is the structure chart of drawer appliance provided in an embodiment of the present invention；
Fig. 6 is that drawer appliance provided in an embodiment of the present invention hides the structure chart after workbench；
Fig. 7 is the structure chart of loudspeaker regulating mechanism provided in an embodiment of the present invention；
Fig. 8 is the structure chart that the first X-axis provided in an embodiment of the present invention adjusts component, the first Y-axis adjusts component；
Fig. 9 is the first structure distribution figure of multiple free field regulating mechanisms provided in an embodiment of the present invention；
Figure 10 is second of structure distribution figure one of multiple free field regulating mechanisms provided in an embodiment of the present invention；
Figure 11 is second of structure distribution figure two of multiple free field regulating mechanisms provided in an embodiment of the present invention.
Wherein, each appended drawing reference in figure:
1- housing unit；11- shell；The back door 12-；2- drawer appliance；21- drawer backboard；The first slide unit of 22-；23- first
Sliding rail；231- block；The first actuator of 232-；The second sliding rail of 24-；The second slide unit of 25-；26- workbench；27- connection strap；28-
First buffer；The second buffer of 29-；3- electric box；4- electrical appliance kit；40- adjustment hole；The first terminal plate of 41-；42- second connects
Line plate；43- DOCK LEVELER；5- partition；6- loudspeaker regulating mechanism；61- loudspeaker；62- bracket；621- first level frame；622-
Second horizontal pane；623- third horizontal pane；The first Y-axis of 63- adjusts component；631- first axle supporting block；The first slide-bar of 632-；633-
First fastener；The first X-axis of 64- adjusts component；641- second bearing block；The second slide-bar of 642-；The second fastener of 643-；65-
First Z axis adjusts component；651- lead screw；652- scale axis；653- handwheel；654- synchronous pulley；66- loudspeaker fixed plate；660-
Sound outlet hole；7- free field regulating mechanism；71- free field microphone；The second X-axis of 72- adjusts component；721- third slide-bar；722-
3rd bearing block；The 4th slide-bar of 723-；The second Z axis of 73- adjusts component；731- fourth bearing block；The 5th slide-bar of 732-；733-
Three fasteners；The 5th fastener of 734-；The second Y-axis of 74- adjusts component；741- 5th bearing block；The 6th slide-bar of 742-；743-
Four fasteners.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
Also referring to Fig. 1 to Figure 11, now one embodiment provided by the invention is illustrated.The audio-frequency test is set
It is standby, the performance of the acoustical device for detecting terminal.In this embodiment, audio-frequency test equipment includes housing unit 1, drawer group
Part 2, loudspeaker 61, loudspeaker regulating mechanism 6, free field microphone 71 and free field regulating mechanism 7.Housing unit 1 includes shell
11, terminal entry is offered on shell 11, terminal passes through terminal entry and is sent into shell 11.Drawer appliance 2, loudspeaker 61, loudspeaker
Regulating mechanism 6, free field microphone 71 and free field regulating mechanism 7 are set in shell 11.Drawer appliance 2 includes drawer backboard
21, the first actuator 232 and workbench 26.First actuator 232 drives drawer backboard 21 to slide with respect to workbench 26.
First actuator 232 is chosen as cylinder, and the impeller-hub of cylinder is fixedly connected with drawer backboard 21.First actuator
232 quantity can be two or more, keep the operation of drawer appliance 2 more stable.When needing replacing terminal, the first actuator
232 release workbench 26, and after replacing the terminal on workbench 26, the first actuator 232 is pushed into workbench 26.Loudspeaker regulating mechanism
6 connect with loudspeaker 61, for adjusting the position of loudspeaker 61；When free field microphone 71 is used to detect terminal generating device sounding,
Audio signal near it, free field adjustment structure are connect with free field microphone 71, for adjusting free field microphone 71
Position.Loudspeaker are used to detect the parameters,acoustic of terminal microphone, provide standard measuring signal for terminal microphone；Loudspeaker 61 issue
Sound, terminal microphone receive audio-frequency test signal, store and reach in the memories such as external computer, computer to the signal into
Row analysis processing, obtains the parameters such as the signal-to-noise ratio, distortion rate, frequency response of terminal microphone.Terminal speaker makes a sound, from
Audio signal is received by field microphone 71, and is stored into the memories such as external computer, obtains free field Mike in the present context
The test audio signal that wind 71 receives.Free field microphone 71 is a kind of microphone of high quality, can accurately be remembered
Record audio signal.Audio signal is acoustic signals, including audio, loudness of a sound and tone color etc., be able to reflect the frequency of sound wave, amplitude and
Phase；Then, analysis test signal can obtain the parameters such as signal-to-noise ratio, distortion rate, frequency response.
Audio-frequency test equipment provided by the invention, compared with prior art, audio-frequency test equipment of the present invention include shell group
Part 1, drawer appliance 2, loudspeaker 61, loudspeaker regulating mechanism 6, free field microphone 71, free field regulating mechanism 7, housing unit 1
Shell 11 offers terminal entry, and terminal is sent into shell 11 by drawer appliance 2 and detects audio, passes through loudspeaker regulating mechanism 6
Free field microphone 71 and terminal is adjusted by free field regulating mechanism 7 in the relative position of adjustable horn 61 and terminal
Relative position makes the audio-frequency test equipment be suitable for the terminal of different model, without designing a variety of audio frequency apparatuses, reduce research and development and
Production cost.
In another embodiment, housing unit 1 further includes back door 12, and back door 12 and shell 11 are rotatablely connected, back door 12
It is arranged convenient for adjusting loudspeaker regulating mechanism 6 and free field regulating mechanism 7 from the rear of shell 11.Back door 12 and shell 11 are close
Envelope connection.
Drawer appliance 2 further includes the first slide unit 22 and the first sliding rail 23 in one of the embodiments,.First slide unit 22 with
Shell 11 is fixedly connected, and drawer backboard 21 is fixedly connected with the first sliding rail 23, and the first sliding rail 23 and the first slide unit 22 are slidably connected,
Then drawer backboard 21 can slide under the action of the first actuator 232 along the length direction of the first sliding rail 23.Optionally, first is sliding
The length direction of rail 23 is Y-direction.Workbench 26 is also connect with the first sliding rail 23, can be slided with the sliding of drawer backboard 21.
Please refer to Fig. 5 and Fig. 6, in one of the embodiments, drawer appliance 2 include the first slide unit 22, drawer backboard 21,
First sliding rail 23 and workbench 26 further include that the second sliding rail 24 being fixedly connected with the first sliding rail 23 and the second sliding rail 24 slide
The second slide unit 25 connected and the second actuator for driving workbench 26 to slide on the second sliding rail 24, workbench 26
It is fixedly connected with the second slide unit 25.First actuator 232 drives workbench 26 and terminal one for driving drawer backboard 21 to move
Play movement；And the second actuator, when drawer backboard 21 is motionless, remains to transport workbench 26 for driving workbench 26 to move
It is dynamic, so as to adjust the position of terminal in the Y direction, make that it is suitable for the terminals of more polytypic.It is provided on workbench 26
Multiple connecting holes, terminal are placed in jig, and jig is placed on workbench 26, and jig and workbench 26 can be fixed by screw
Connection, the position that can be put according to the model regulating jig of terminal, and select suitable connecting hole and screw fit.It so can be with
Finely tune the position of terminal in the X direction.
Shell 11 is equipped with sealing strip at the border of terminal entry in one of the embodiments, moves in drawer backboard 21
When moving to adjacent housings 11, sealing strip is squeezed between shell 11 and drawer backboard 21, plays sealing function, prevents sound from letting out
Leakage.The opening at back door 12 may also set up sealing strip, to seal back door 12.The cross section of sealing strip is chosen as D-shaped, sealing strip
Plane side is fixed on shell 11, and arc side can be squeezed, and makes to change sealing strip area increase after extruding, enhancing sealing effect
Fruit.
Fig. 5 and Fig. 6 is please referred to, drawer appliance 2 includes that the first actuator 232 and second drives in one of the embodiments,
Moving part, the first sliding rail 23 are equipped with block 231 far from described 21 one end of drawer backboard, and the inside of drawer backboard 21 is fixed with for only
The first buffer 28 of block 231 is kept off, the inside of drawer backboard 21 is further fixed on the second buffer for backstop workbench 26
29.When driving workbench 26 to release, block 231 is moved to the first sliding rail 23 and contacts with the first buffer 28 drawer backboard 21
When, the as extreme position of drawer backboard 21, the first buffer 28 can prevent drawer backboard 21 from overstepping the extreme limit position, moreover it is possible to pumping
Drawer backboard 21 has buffer function.Optionally, the first buffer 28 is fixed on the first slide unit 22.Second buffer 29 is fixed on pumping
The inside of drawer backboard 21, workbench 26 slides into when contacting with the second buffer 29, as the extreme position of workbench 26, and second
Buffer 29 can prevent workbench 26 from overstepping the extreme limit position, moreover it is possible to have buffer function to workbench 26.
Drawer backboard 21 is fixedly connected with the first sliding rail 23 by L-shaped connection strap 27 in one of the embodiments, L
The vertical side of shape connection strap 27 and drawer backboard 21 are fixed, and horizontal side and the first sliding rail 23 are fixed, to increase by 21 He of drawer backboard
The bonding strength of first sliding rail 23.Optionally, the outside of drawer backboard 21 is additionally provided with handle, is convenient for pull drawer backboard 21.
Fig. 3 and Fig. 4 is please referred to, audio-frequency test equipment includes housing unit 1, drawer appliance in one of the embodiments,
2, loudspeaker 61, loudspeaker regulating mechanism 6, free field microphone 71, free field regulating mechanism 7 further include electric box 3 and are set to electrical
Partition 5 between case 3 and housing unit 1.Optionally, partition 5 adjusts machine to drawer appliance 2 and free field regulating mechanism 7, loudspeaker
Structures 6 etc. have supporting role, and the first slide unit 22 of drawer appliance 2 is fixed on partition 5.The first actuator in housing unit 1
232, second actuator etc. is required to electrically driven, and cable needs to enter electric box 3 from housing unit 1.The setting of electrical appliance kit 4
Make cable pass through electrical appliance kit 4 to enter in electric box 3, cable distribution can either be made more regular, be also convenient for housing unit 1 and electricity
Sealing between gas tank 3.
Referring to Fig. 4, in one of the embodiments, electrical appliance kit 4 include the first terminal plate 41, the second terminal plate and
The puigging being located between the first terminal plate 41 and the second terminal plate.First terminal plate 41 is arranged towards housing unit 1, shell
Cable in component 1 is connect with the first terminal plate 41, and the second terminal plate 42 is arranged towards electric box 3, the cable in electric box 3 with
The connection of second terminal plate 42, is electrically connected the cable in cable and electric box 3 in housing unit 1 by electrical appliance kit 4.Electrical appliance kit
The puigging filled in 4 can reduce the leakage of sound.Puigging can be made of acoustic materials such as acoustical cottons.
Referring to Fig. 4, the two sides of electrical appliance kit 4 are additionally provided with DOCK LEVELER 43, height adjustment in one of the embodiments,
Plate 43 is L-shaped, and the horizontal side of DOCK LEVELER 43 is fixedly connected with partition 5, the vertical side of DOCK LEVELER 43 or electrical appliance kit 4
Side offer multiple adjustment holes 40, select the adjustment hole 40 of different height to connect i.e. adjustable electrical appliance kit 4 with electrical appliance kit 4
Highly.
Please refer to Fig. 7 and Fig. 8, in one of the embodiments, loudspeaker regulating mechanism 6 include the first X-axis adjust component 64,
First Y-axis adjusts component 63 and the first Z axis adjusts component 65, and loudspeaker 61, the first Y-axis adjust component 63, the first X-axis adjusts component
64, the first Z axis adjusts component 65 and is sequentially connected.Optionally, loudspeaker 61 are set to the top side of 11 inner space of shell, go out line position
It is arranged downward.First X-axis adjusts component 64 and adjusts loudspeaker 61 in the position of X-direction, and the first Y-axis adjusts component 63 and adjusts loudspeaker 61
Position in the Y direction, the first Z axis adjust component 65 and adjust loudspeaker 61 in the position of Z-direction, to realize 61 relative termination of loudspeaker
Position adjustment.First Z axis, which adjusts component 65, can drive the first X-axis to adjust component 64, the first Y-axis adjusting component 63 and loudspeaker 61
It moves in z-direction jointly, the first X-axis, which adjusts component 64, can drive the first Y-axis adjusting component 63 and loudspeaker 61 to transport in the X direction
Dynamic, the first Y-axis adjusts component 63 and loudspeaker 61 is driven to move in the Y direction.
In other embodiments, loudspeaker regulating mechanism 6 includes that the first X-axis adjusts component 64, the first Y-axis adjusts 63 and of component
First Z axis adjusts component 65, and loudspeaker 61, the first X-axis adjust component 64, the first Y-axis adjusts component 63, the first Z axis adjusts component
65 are sequentially connected, and realize the position adjustment of 61 relative termination of loudspeaker.
Referring to Fig. 8, it includes loudspeaker fixed plate 66, fixed company that the first Y-axis, which adjusts component 63, in one of the embodiments,
It is connected to the first axle supporting block 631 of loudspeaker fixed plate 66, is arranged in the first slide-bar 632 of first axle supporting block 631 and for fixing
First fastener 633 of first axle supporting block 631 and the first slide-bar 632, first axle supporting block 631 is offered wears for the first slide-bar 632
The first shaft hole crossed and the first notch being connected to first shaft hole, the two sidewalls that the first fastener 633 passes through the first notch make
First axle supporting block 631 and the first slide-bar 632 compress.It, can be by the first fastener when adjusting the position of loudspeaker 61 in the Y direction
633 unclamp, and move first axle supporting block 631 along the first slide-bar 632, drive loudspeaker 61 to move in the Y direction, lock after adjustment
First fastener 633 can fix loudspeaker 61.Optionally, loudspeaker fixed plate 66 is horizontally disposed, and loudspeaker 61, which are fixed on loudspeaker, to be fixed
The top of plate 66, and the sound outlet hole 660 for going out sound for loudspeaker 61 is offered in loudspeaker fixed plate 66.In another embodiment, loudspeaker
Fixed plate 66 is horizontally disposed, and loudspeaker 61 are fixed on the downside of loudspeaker fixed plate 66, and the line position that goes out of loudspeaker 61 is arranged downward.It is optional
Ground, first axle supporting block 631 are fixed on the downside of loudspeaker fixed plate 66, prevent first axle supporting block 631 in the process of moving with loudspeaker
61 interfere.
Referring to Fig. 8, the first X-axis adjusting component 64 includes second bearing block 641, wears in one of the embodiments,
In the second slide-bar 642 of second bearing block 641 and for fixing second bearing block 641 and the second slide-bar 642 second fastening
Part 643, first axle supporting block 631 is identical with the structure of second bearing block 641, the position regulative mode of first axle supporting block 631 and
The position regulative mode of two drive tabs 641 is identical.Optionally, second bearing block 641 is fixed on the end of the first slide-bar 632.?
In one embodiment, the both ends of the first slide-bar 632 are respectively and fixedly provided with second bearing block 641, make the shifting of loudspeaker 61 in the X direction
It moves more stable.Second slide-bar 642 is parallel with X-direction, and the movement on the second slide-bar 642 of second bearing block 641 can drive the first Y-axis
It adjusts component 63 and loudspeaker 61 moves in the X direction.
Optionally, it is equipped with scale on the first slide-bar 632 and the second slide-bar 642, convenient for accurately adjusting the position of loudspeaker 61.
Loudspeaker regulating mechanism 6 includes that the first X-axis adjusts component 64, the first Y-axis adjusts component in one of the embodiments,
63 and first Z axis adjust component 65, further include bracket 62, bracket 62 include the first level frame 621 set gradually from top to bottom,
The setting of second horizontal pane 622 and third horizontal pane 623, bracket 62 plays the other component of loudspeaker 61 and loudspeaker regulating mechanism 6
Supporting role increases the integral strength of the audio-frequency test equipment.Optionally, the second level is fixed at the both ends of the second slide-bar 642
On frame 622, the second horizontal pane 622 is that the second slide-bar 642 provides installation site.
Referring to Fig. 7, the first Z axis adjusting component 65 includes slide-bar plate, is arranged in slide-bar plate in one of the embodiments,
And the lead screw 651 being threadedly coupled with slide-bar plate and the handwheel 653 for being fixed on 651 one end of lead screw.Slide-bar plate and the first X-axis tune
Component 64 is saved to connect.More specifically, slide-bar plate is fixedly connected with the second slide-bar 642.Slide-bar plate is horizontally disposed, and lead screw 651 is vertical
Setting, handwheel 653 drives the rotation of lead screw 651 that slide-bar plate can be made to go up and down, so that the first X-axis be driven to adjust component 64, the first Y-axis tune
Save component 63, loudspeaker 61 move up and down.Lead screw 651 is chosen as trapezoidal screw.The quantity of lead screw 651 and distribution do not limit herein
It is fixed.
The quantity of lead screw 651 is multiple in one of the embodiments, and handwheel 653 is fixed on one of lead screw 651
End, the other end of each lead screw 651 are fixed with synchronous pulley 654, and each synchronous pulley 654 is driven by belt, is made each
Lead screw 651 rotates simultaneously.
In another embodiment, it includes slide-bar plate, lead screw 651, handwheel 653 that the first Z axis, which adjusts component 65, further includes scale
Axis 652, scale axis 652 are arranged in slide-bar plate, convenient for the height of regulation and control loudspeaker 61.The quantity of scale axis 652 can also
To be multiple, convenient for the height number of the loudspeaker 61 from each position, it can also increase the intensity of loudspeaker regulating mechanism 6.
Slide-bar plate includes the second horizontal pane 622 and third horizontal pane 623 in one of the embodiments, can prevent lead screw
651 shake.Third horizontal pane 623 or scale axis 652 are fixed on partition 5, are played a supportive role to entire loudspeaker regulating mechanism.
Fig. 9 and Figure 10 is please referred to, free field regulating mechanism 7 includes that the second X-axis adjusts component in one of the embodiments,
72, the second Y-axis adjusts component 74, the second Z axis adjusts component 73, and free field microphone 71, the second X-axis adjust component 72, the 2nd Z
Axis adjusts component 73, the second Y-axis adjusts component 74 and is sequentially connected.Free field regulating mechanism 7 is fixed in third horizontal pane 623,
In this embodiment, the second Y-axis adjusts component 74 and is fixed in third horizontal pane 623.Second X-axis adjusts component 72 for adjusting
The position of free field microphone 71 in the X direction, the second Y-axis adjust component 74 for adjusting free field microphone 71 in the Y direction
On position, the second Z axis adjusts component 73 for adjusting the position of free field microphone 71 in z-direction, to realize to freedom
The position of field microphone 71 is adjusted.
In another embodiment, free field microphone 71, the second Y-axis adjust component 74, the second Z axis adjusts component 73, the
Two X-axis adjust component 72 and are sequentially connected.In this embodiment, the second X-axis adjusts component 72 and is fixed in third horizontal pane 623.
Optionally, the quantity of free field regulating mechanism 7 and free field microphone 71 is multiple, can enhance audio detection result
Accuracy.Free field regulating mechanism 7 and free field microphone 71 are arranged in a one-to-one correspondence, and free field regulating mechanism 7 surrounds work
Platform 26 is arranged.The setting of 71 adjacent terminals of free field microphone.Free field regulating mechanism 7 in same direction, with the direction
The 6th parallel slide-bar 742 can share.
Figure 10 and Figure 11 is please referred to, the second X-axis adjusting component 72 includes and free field Mike in one of the embodiments,
Third slide-bar 721,3rd bearing block 722 and the 4th slide-bar 723 that wind 71 is fixedly connected, third slide-bar 721 and the 4th slide-bar
723 are arranged in 3rd bearing block 722.Third slide-bar 721 and the 4th slide-bar 723 are parallel with X-direction.Third slide-bar 721
It is slidably connected with 3rd bearing block 722, the 4th slide-bar 723 is also slidably connected with 3rd bearing block 722, can adjust 3rd bearing block
722 and the position in the X direction of third slide-bar 721, and increase the adjustable range of free field microphone 71 in the X direction.
Scale is equipped on third slide-bar 721 and the 4th slide-bar 723, it is convenient to be adjusted according to scale.
In another embodiment, free field microphone 71 is detachably connected with third slide-bar 721, convenient for later maintenance and more
It changes.Free field microphone 71 is located in the opening of third slide-bar 721, and passes through fastener for free field microphone 71 and third
Slide-bar 721 is fixed.
Figure 10 and Figure 11 is please referred to, the second Z axis adjusting component 73 includes and the second X-axis tune in one of the embodiments,
The fourth bearing block 731 of the section connection of component 72 is arranged in the 5th slide-bar 732 of the fourth bearing block 731 and for fixing
The third fastener 733 of 5th slide-bar 732 and fourth bearing block 731, fourth bearing block 731 is offered to be worn for the 5th slide-bar 732
The second axis hole crossed and the second notch being connected to the second axis hole, the two sidewalls that third fastener 733 passes through the second notch make
Fourth bearing block 731 and the 5th slide-bar 732 compress.More specifically, fourth bearing block 731 is fixedly connected with the 4th slide-bar 723.It adjusts
When saving the height of free field microphone 71, third fastener 733 is loosened, the 2nd X is adjusted into component and free field microphone 71 is same
When moved along the 5th slide-bar 732, when being moved to designated position, that is, can be used third fastener 733 by the 5th slide-bar 732 and the 4th
Drive tab 731 is fixed.Scale also is provided on 5th slide-bar 732, and the 5th slide-bar 732 is vertically arranged.
Figure 10 and Figure 11 is please referred to, the second Y-axis adjusting component 74 includes and the second Z axis tune in one of the embodiments,
The section component 73 5th bearing block 741 connected, the 6th slide-bar 742 that is arranged in 5th bearing block 741 and for fixing the
4th fastener 743 of six slide-bars 742 and 5th bearing block 741.Optionally, the 5th slide-bar 732 passes through with 5th bearing block 741
5th fastener 734 is fixedly connected, in this way, it is sliding the 5th that 5th bearing block 741 is also adjusted after loosening the 5th fastener 734
Position on axis 732, to increase the adjustable range of free field microphone 71 in z-direction.Free field microphone 71 is adjusted in the side Y
When upward position, the 4th fastener 743 is loosened, the position of 5th bearing block 741 in the Y direction is adjusted, to adjust free field
Block and the 6th slide-bar 742 are pumped into for the 5th by the 4th fastener 743 after adjustment in the position of microphone 71 in the Y direction
Locking.6th slide-bar 742 is equipped with scale.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. audio-frequency test equipment characterized by comprising
Housing unit comprising shell, the shell offer terminal entry；
Drawer appliance comprising for closing the drawer backboard of the terminal entry, the workbench for placing terminal and being used for
The first actuator for driving the drawer backboard and the workbench to relatively move；
Loudspeaker；
Loudspeaker regulating mechanism, the loudspeaker are connected to the loudspeaker regulating mechanism, and the loudspeaker regulating mechanism is described for adjusting
The position of loudspeaker；
Free field microphone, audio signal when for detecting the loudspeaker and the terminal sounding；
Free field regulating mechanism, the free field microphone are connected to the free field regulating mechanism, the free field control machine
Structure is used to adjust the position of the free field microphone.
2. audio-frequency test equipment as described in claim 1, it is characterised in that: the drawer appliance further includes solid with the shell
Surely the first slide unit connected, the first sliding rail being fixedly connected with the drawer backboard, it is sliding that the workbench is connected to described first
Rail.
3. audio-frequency test equipment as claimed in claim 2, it is characterised in that: the drawer appliance further includes sliding with described first
The second sliding rail that rail is fixedly connected, the second slide unit being slidably connected with second sliding rail and for driving the workbench
The second actuator slided on second sliding rail, the workbench are fixedly connected with second slide unit.
4. audio-frequency test equipment as claimed in claim 2, it is characterised in that: first sliding rail is far from the drawer backboard one
End is equipped with block, and the first buffer for block described in backstop, the drawer backboard are fixed on the inside of the drawer backboard
Inside be further fixed on the second buffer for workbench described in backstop.
5. audio-frequency test equipment as described in claim 1, it is characterised in that: the loudspeaker regulating mechanism includes the first X-axis tune
Save component, the first Y-axis adjusts component and the first Z axis adjusts component, the loudspeaker, first Y-axis adjusting component, described first
X-axis adjusts component, first Z axis adjusts component and is sequentially connected.
6. audio-frequency test equipment as claimed in claim 5, it is characterised in that:
First Y-axis adjusts component and includes loudspeaker fixed plate, the first axle supporting block for being fixedly connected on the loudspeaker fixed plate, wears
First set on the first slide-bar of the first axle supporting block and for fixing the first axle supporting block and first slide-bar is tight
Firmware, the first axle supporting block offer the first shaft hole passed through for the first slide-bar and be connected to the first shaft hole
One notch, the two sidewalls that first fastener passes through first notch make the first axle supporting block and the first slide-bar pressure
Tightly；
First X-axis adjusts component and includes the second bearing block for being fixed on first slide-bar end, is arranged in described second
Second slide-bar of drive tab and the second fastener for fixing the second bearing block and second slide-bar, described
One drive tab is identical with the structure of the second bearing block；
First Z axis adjust component include the slide-bar plate being fixedly connected with second slide-bar, be arranged in the slide-bar plate and
The lead screw that is threadedly coupled with the slide-bar plate, the handwheel for being fixed on described lead screw one end.
7. audio-frequency test equipment as described in claim 1, it is characterised in that: the free field regulating mechanism includes the second X-axis
Adjust component, the second Y-axis adjusts component, the second Z axis adjusts component, the free field microphone, the second X-axis adjusting group
Part, second Z axis adjust component, second Y-axis adjusts component and is sequentially connected.
8. audio-frequency test equipment as claimed in claim 7, it is characterised in that:
Second X-axis adjust component include the third slide-bar being fixedly connected with the free field microphone, 3rd bearing block with
And the 4th slide-bar, the third slide-bar and the 4th slide-bar are arranged in the 3rd bearing block；
Second Z axis adjusts component and includes the fourth bearing block being fixedly connected with the 4th slide-bar, is arranged in the described 4th
5th slide-bar of drive tab and third fastener for fixing the 5th slide-bar and the fourth bearing block, described
Four drive tabs offer the second axis hole passed through for the 5th slide-bar and the second notch being connected to second axis hole, described
The two sidewalls that third fastener passes through second notch compress the fourth bearing block and the 5th slide-bar；
Second Y-axis adjusts component and includes the 5th bearing block connecting with the 5th slide-bar, is arranged in the 5th bearing
The 6th slide-bar in block and the 4th fastener for fixing the 6th slide-bar and the 5th bearing block.
9. audio-frequency test equipment as described in claim 1, it is characterised in that: the audio-frequency test equipment further include electric box,
Partition between the electric box and the housing unit and the electrical appliance kit for being fixed on the partition, the shell group
Cable in part enters the electric box by the electrical appliance kit.
10. audio-frequency test equipment as claimed in claim 9, it is characterised in that: the electrical appliance kit includes the first terminal plate, second
Terminal plate and the puigging being located between first terminal plate and second terminal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910116829.0A CN109756836A (en) | 2019-02-15 | 2019-02-15 | Audio-frequency test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910116829.0A CN109756836A (en) | 2019-02-15 | 2019-02-15 | Audio-frequency test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109756836A true CN109756836A (en) | 2019-05-14 |
Family
ID=66407397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910116829.0A Pending CN109756836A (en) | 2019-02-15 | 2019-02-15 | Audio-frequency test equipment |
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| Country | Link |
|---|---|
| CN (1) | CN109756836A (en) |
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| CN110784815A (en) * | 2019-11-05 | 2020-02-11 | 苏州市精创测控技术有限公司 | Device and method for testing acoustic performance of product |
| CN111263287A (en) * | 2020-02-28 | 2020-06-09 | 广州市天历德电子科技有限公司 | Testing arrangement of test sound performance |
| CN112104966A (en) * | 2020-09-01 | 2020-12-18 | 深圳市鑫信腾科技有限公司 | Notebook computer audio test equipment |
| CN113301489A (en) * | 2021-05-20 | 2021-08-24 | 江苏集结号机车科技有限公司 | Automatic testing system and method for vehicle-mounted loudspeaker |
| CN114577329A (en) * | 2022-04-28 | 2022-06-03 | 珠海市精实测控技术有限公司 | Floating connection module and intelligent bracelet acoustic performance test equipment |
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| CN114577329A (en) * | 2022-04-28 | 2022-06-03 | 珠海市精实测控技术有限公司 | Floating connection module and intelligent bracelet acoustic performance test equipment |
| CN114577329B (en) * | 2022-04-28 | 2022-07-19 | 珠海市精实测控技术有限公司 | Floating connection module and intelligent bracelet acoustic performance test equipment |
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Address after: 518000 B201, building a, 201, 301, 501, building B, C, building a, Hongwei Industrial Park, No. 6, liuxiansan Road, Xingdong community, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Applicant after: Shenzhen xinxinteng Technology Co.,Ltd. Address before: 518000 3rd floor, building C1, Jiaan Industrial Park, 72 District, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Applicant before: Shenzhen xinxinteng Technology Co.,Ltd. |
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