CN218006521U

CN218006521U - Microphone calibration tool for display screen

Info

Publication number: CN218006521U
Application number: CN202222148576.5U
Authority: CN
Inventors: 束炎炎; 邬迎松; 薛彩虹; 董金超
Original assignee: iFlytek Co Ltd
Current assignee: iFlytek Co Ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-12-09
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses a microphone calibration frock of display screen, include: the upper side of the mounting seat is provided with a first clamping part; the sliding block is arranged on the upper side of the mounting seat and provided with a second clamping part opposite to the first clamping part in the first direction, and the sliding block can move along the first direction so as to clamp the display screen through the second clamping part and the first clamping part; the adjusting piece is arranged on the mounting seat and connected with the sliding block so as to adjust the distance between the first clamping part and the second clamping part by driving the sliding block to move; the lower side of the mounting seat is provided with a fixing piece for fixing the standard microphone. According to the utility model discloses microphone calibration frock of display screen can make standard microphone stable as far as possible and the target microphone on the liftoff display screen of being close of low coverage, not only conveniently calibrates target microphone, has simplified operating procedure, makes the testing process safer, quick, can make the test result more accurate moreover.

Description

Microphone calibration tool for display screen

Technical Field

The utility model belongs to the technical field of the audio processing technique and specifically relates to a microphone calibration frock of display screen is related to.

Background

At present, many electronic devices have multiple microphones, and if the difference of parameters (sensitivity, frequency response, phase, etc.) between channels is large, the subsequent algorithm processing is affected, so that the final use effect is affected, and poor use experience is brought to users, so that objective parameters of the microphones need to be evaluated before use, and a sound field needs to be calibrated by using a standard microphone before testing a product microphone.

In the related art, the standard microphone is usually fixed at the edge of the display screen by using the blue-butyl adhesive, and the installation of the standard microphone is unstable due to the too thin thickness of the display screen, and the standard microphone is easy to fall or shift, so that the test accuracy is affected, and the operation is inconvenient and the repeatability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a microphone calibration frock of display screen, microphone calibration frock can be stable and fixed standard microphone reliably for the test is safer, quick, and the test result is more accurate.

According to the utility model discloses microphone calibration frock of display screen, include: the upper side of the mounting seat is provided with a first clamping part; the sliding block is arranged on the upper side of the mounting seat, the sliding block is provided with a second clamping part which is arranged opposite to the first clamping part in a first direction, and the sliding block can move along the first direction so as to clamp the display screen through the second clamping part and the first clamping part; the adjusting piece is arranged on the mounting seat and connected with the sliding block so as to adjust the distance between the first clamping part and the second clamping part by driving the sliding block to move; the lower side of the mounting seat is provided with a fixing piece for fixing a standard microphone.

According to the utility model discloses microphone calibration frock of display screen, through setting up slider and regulating part, utilize the regulating part to drive the slider and remove, thereby can drive the direction removal that the second clamping part orientation is close to first clamping part, perhaps the direction removal of keeping away from first clamping part towards the orientation, can change the distance between first clamping part and the second clamping part according to the thickness of display screen, thereby can make standard microphone stable as far as possible and the target microphone on the liftoff display screen of being close to of low coverage, not only conveniently calibrate target microphone, the operation steps are simplified, make the test procedure safer, fast, and can make the test result more accurate.

According to some embodiments of the invention, the mounting comprises a plurality of clamping structures, a plurality of the clamping structures are arranged along the first direction.

According to some embodiments of the invention, one of the mount and the slider has a guide groove and the other has a guide block in sliding fit with the guide groove, the guide groove extending along the first direction.

In some embodiments, the guide grooves and the guide blocks respectively include a plurality of guide grooves and a plurality of guide blocks, the plurality of guide grooves and the plurality of guide blocks are matched in a one-to-one correspondence, and at least two guide grooves are arranged at intervals along a second direction perpendicular to the first direction.

According to some embodiments of the utility model, the regulating part forms the regulation pole, adjust the pole with the mount pad is rotationally cooperated, the one end of adjusting the pole with slider swing joint is in order to with the rotary motion who adjusts the pole turns into the removal motion of slider.

In some embodiments, the adjusting rods and the sliding blocks respectively include a plurality of adjusting rods, and the adjusting rods are connected with the sliding blocks in a one-to-one correspondence manner.

In some embodiments, the adjustment lever comprises: the rod part is in threaded fit with the mounting seat, and one end of the rod part is provided with a handle; the matching head is connected with the other end of the rod part, and the radial size of the matching head is larger than that of the rod part; the slider is provided with a limiting groove, and the matching head is movably arranged in the limiting groove.

In some examples, the slider has a first opening communicating with the limiting groove, the first opening being disposed toward the adjustment lever and having a size smaller than a radial size of the fitting head, and a second opening disposed upward and adapted to be inserted into the limiting groove from the second opening.

According to some embodiments of the invention, the mount pad includes: the first clamping part is arranged on the upper surface of the bottom plate; the support piece is connected with the bottom plate, the support piece and the first clamping portion are oppositely arranged in the first direction, the sliding block is located between the first clamping portion and the support piece, and the adjusting piece is in threaded fit with the support piece.

In some embodiments, the mounting seat is a plastic piece, and the slider is a silicone piece.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an exploded view of a microphone calibration fixture for a display screen according to an embodiment of the present invention;

fig. 2 is another exploded view of the microphone calibration fixture for a display screen according to an embodiment of the present invention.

Reference numerals:

the microphone calibration tool 100 is used for calibrating a microphone,

the mounting seat 10, the base plate 11, the guide groove 111, the supporter 12, the screw hole 121, the first coupling hole 122, the first clamping portion 13, the coupling portion 14, the second coupling hole 141, the fixing member 15, the fastening member 16,

a slide block 20, a second clamping part 21, a guide block 22, a limiting groove 23, a first opening 231, a second opening 232,

an adjusting piece 30, a rod part 31, a matching head part 32 and a handle 33.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

A microphone calibration tool 100 for a display screen according to an embodiment of the present invention is described below with reference to fig. 1-2.

As shown in fig. 1 and 2, a microphone calibration tool 100 for a display screen according to an embodiment of the present invention includes a mounting base 10 and a slider 20.

The upper side of the mounting seat 10 is provided with a first clamping portion 13, the slider 20 is arranged on the upper side of the mounting seat 10, the slider 20 is provided with a second clamping portion 21, the second clamping portion 21 and the first clamping portion 13 are arranged opposite to each other in a first direction (a-a direction shown in fig. 1-2), and the slider 20 is movable in the first direction, so that the distance between the first clamping portion 13 and the second clamping portion 21 can be changed, and the display screen is clamped by the second clamping portion 21 and the first clamping portion 13.

Further, microphone calibration frock 100 of display screen still includes regulating part 30, and mount pad 10 is located to regulating part 30 is connected with slider 20, and regulating part 30 can drive slider 20 and remove, thereby can adjust the distance between first clamping part 13 and the second clamping part 21, makes things convenient for microphone calibration frock 100 centre gripping or loosens the display screen.

Wherein, the lower side of the mounting seat 10 is provided with a fixing piece 15, and the fixing piece 15 is used for fixing a standard microphone. Specifically, the clamping distance between the first clamping portion 13 and the second clamping portion 21 can be adjusted according to the thickness of the display screen, so that the standard microphone can be stably and more closely approached to the target microphone on the display screen.

According to the utility model discloses microphone calibration frock 100 of display screen, through setting up slider 20 and regulating part 30, utilize regulating part 30 to drive slider 20 and remove, thereby can drive the direction removal that second clamping part 21 orientation is close to first clamping part 13, perhaps the direction removal of keeping away from first clamping part 13 is towards, can change the distance between first clamping part 13 and the second clamping part 21 according to the thickness of display screen, thereby can make standard microphone stable as far as possible and the target microphone on the display screen is close to the short distance ground, not only conveniently calibrate target microphone, operation steps have been simplified, make the testing process safer, and is quick, and can make the test result more accurate.

The fixing member 15 includes a plurality of engaging structures (not shown), and the plurality of engaging structures are arranged along a first direction.

Therefore, by arranging the plurality of clamping structures, a proper clamping structure can be selected to fix the standard microphone as required, so that the position of the standard microphone can be adjusted, and two or more clamping structures can be adopted to fix the standard microphone together.

In some examples, the plurality of clamping structures may be integrally formed with the mounting base 10, for example, the plurality of clamping structures may be integrally injection-molded with the mounting base 10, which is simple in structure and convenient to form.

Of course, a plurality of snap features may be adhesively attached to mount 10.

In some examples, the clamping structure protrudes from a side surface of the mounting base 10 facing away from the slider 20, and the clamping structure defines a clamping groove, an opening of the clamping groove faces away from a side surface of the mounting base 10 facing away from the slider 20, so that the target microphone can be installed in the clamping groove, the installation reliability of the target microphone is ensured, the target microphone can be prevented from falling or shifting, and the accuracy of the test can be ensured.

As shown in fig. 1 and 2, according to some embodiments of the present invention, one of the mounting seat 10 and the slider 20 has a guide groove 111, and the other of the mounting seat 10 and the slider 20 has a guide block 22, the guide block 22 is slidably fitted in the guide groove 111, and the guide groove 111 extends in the first direction.

For example, the guide groove 111 may be provided on the upper surface of the mount base 10, and the guide block 22 is formed at the lower end of the slider 20. For another example, the guide groove 111 may be provided on the lower surface of the slider 20 and the guide block 22 may be provided on the upper surface of the mounting seat 10.

Therefore, the guide groove 111 and the guide block 22 are arranged, so that the movement of the sliding block 20 can be limited and guided, the sliding block 20 can be guaranteed to move along the first direction, and the clamping distance between the first clamping part 13 and the second clamping part 21 can be adjusted according to the thickness of the display screen.

In order to further ensure stable and smooth adjustment of the clamping distance between the first clamping portion 13 and the second clamping portion 21, the guide grooves 111 and the guide blocks 22 may respectively comprise a plurality of guide grooves 111 and a plurality of guide blocks 22, the plurality of guide grooves 111 and the plurality of guide blocks 22 are matched in a one-to-one correspondence manner, and at least two guide grooves 111 are arranged at intervals along a second direction (a direction b-b shown in fig. 1-2), and the second direction is perpendicular to the first direction.

As shown in fig. 2, according to some embodiments of the present invention, the adjusting member 30 forms an adjusting rod, the adjusting rod is rotatably engaged with the mounting base 10, one end of the adjusting rod is movably connected with the slider 20, and when the adjusting rod rotates, the rotating motion of the adjusting rod can be converted into the moving motion of the slider 20.

From this, through setting up rotatable regulation pole, the user only needs handheld regulation pole to rotate at the adjustment in-process, need not directly to promote the regulation pole, and accommodation process is simpler.

In some embodiments, the adjusting rods and the sliders 20 respectively include a plurality, and the plurality of adjusting rods are connected to the plurality of sliders 20 in a one-to-one correspondence.

Specifically, as shown in fig. 2, in the present embodiment, two guide grooves 111 are arranged at intervals in the second direction, and the adjusting levers and the sliders 20 respectively include two, two sliders 20 are arranged at intervals in the second direction, and two adjusting levers are arranged at intervals in the second direction.

In the adjusting process, the two adjusting rods can be rotated together, so that the two sliding blocks can be driven to move along the first direction simultaneously, and the clamping distance between the first clamping part 13 and the second clamping part 21 is adjusted. Of course, two adjustment levers may be alternately rotated, and the clamping distance between the first clamping portion 13 and the second clamping portion 21 may be finely adjusted.

As shown in fig. 2, in some embodiments, the adjustment rod includes a rod portion 31 and a fitting head portion 32, one end of the rod portion 31 is provided with a handle 33, the fitting head portion 32 is connected to the other end of the rod portion 31, and a radial dimension of the fitting head portion 32 is larger than a radial dimension of the rod portion 31.

Wherein, pole portion 31 and mount pad 10 screw-thread fit can hold handle 33, drive pole portion 31 through rotating handle 33 and rotate, and slider 20 has spacing groove 23, and cooperation head 32 movably locates in spacing groove 23.

When the rod portion 31 and the fitting head portion 32 rotate, the rod portion 31 and the fitting head portion 32 have a certain displacement in the first direction relative to the mounting base 10, and since the fitting head portion 32 can move in the limiting groove 23, the limiting groove 23 does not affect the rotation of the rod portion 31, and meanwhile, the adjusting rod can drive the sliding block 20 to move along the first direction, so that the clamping distance between the first clamping portion 13 and the second clamping portion 21 is adjusted.

As shown in fig. 2, in some examples, the slider 20 has a first opening 231 and a second opening 232, both the first opening 231 and the second opening 232 communicate with the stopper groove 23, the first opening 231 is disposed toward the adjustment lever, and the first opening 231 is smaller in size than the radial size of the fitting head 32, the second opening 232 is disposed upward, and the fitting head 32 is adapted to be inserted into the stopper groove 23 from the second opening 232.

When the adjusting rod is installed, the matching head 32 can be inserted into the limiting groove 23 from the second opening 232 from top to bottom, when the matching head 32 is inserted into the limiting groove 23, the size of the first opening 231 is smaller than the radial size of the matching head 32, so that the matching head 32 cannot be separated from the first opening 231, the reliable connection between the adjusting rod and the sliding block 20 is ensured, and the sliding block 20 can be driven to move through the adjusting rod.

As shown in fig. 1 and 2, according to some embodiments of the present invention, the mounting seat 10 includes a bottom plate 11 and a supporting member 12, the first clamping portion 13 is disposed on an upper surface of the bottom plate 11, the supporting member 12 is connected to the bottom plate 11, the supporting member 12 and the first clamping portion 13 are disposed opposite to each other in a first direction, the slider 20 is located between the first clamping portion 13 and the supporting member 12, and the adjusting member 30 is in threaded engagement with the supporting member 12.

Therefore, the mounting seat 10 is configured to include the bottom plate 11 and the supporting member 12, the adjusting member 30 can be rotatably mounted on the supporting member 12, so that the slider 20 can be driven by the adjusting member 30 to move along the first direction, and the clamping distance between the first clamping portion 13 and the second clamping portion 21 can be adjusted according to the thickness of the display screen.

Specifically, the support 12 is provided with a threaded hole 121 and a plurality of first connection holes 122, the bottom plate 11 is provided with a plurality of connection portions 14, the plurality of connection portions 14 are arranged along the second direction, each connection portion 14 is provided with a second connection hole 141, the support 12 and the plurality of connection portions 14 are connected by fasteners 16, and the fasteners 16 are inserted into the first connection holes 122 and the second connection holes 141.

Wherein, mount pad 10 is the working of plastics, simple structure, shaping convenience and cost are lower. The sliding block 20 is made of silicone, so that the first clamping portion 13 and the second clamping portion 21 can be prevented from damaging the display screen when clamping the display screen.

An embodiment of the microphone calibration tool 100 for a display screen is described below with reference to the drawings.

As shown in fig. 1 and 2, the microphone calibration tool 100 for a display screen includes a mounting base 10, two sliders 20, and two adjusting members 30.

The mount 10 includes a base plate 11, a first clamping portion 13, a plurality of connecting portions 14, and a support 12.

The length direction of bottom plate 11 extends along the first direction, and the width direction of bottom plate 11 extends along the second direction, and the upper surface of bottom plate 11 is equipped with two guide ways 111, and two guide ways 111 are arranged at interval in the second direction, and every guide way 111 extends along the first direction, and the lower surface of bottom plate 11 is equipped with mounting 15, and mounting 15 includes a plurality of joint structures of arranging along the first direction.

First clamping part 13 sets up the one end in the first direction of bottom plate 11 and with the upper surface connection of bottom plate 11, and a plurality of connecting portion 14 set up the other end in the first direction of bottom plate 11, and a plurality of connecting portion 14 are arranged and all with the upper surface connection of bottom plate 11 along the second direction interval, are equipped with second connecting hole 141 on every connecting portion 14.

The length direction of the support 12 extends along the second direction, two threaded holes 121 are formed in the support 12 and are arranged at intervals in the length direction of the support, a plurality of first connecting holes 122 are further formed in the support 12, the support 12 is located at the other end of the first direction of the base plate 11, the support 12 and the connecting portions 14 are connected through a plurality of fasteners 16, and the fasteners 16 penetrate through the first connecting holes 122 and the second connecting holes 141.

The two sliding blocks 20 are arranged above the bottom plate 11, the lower end of each sliding block 20 is provided with a guide block 22, and the guide blocks 22 of the two sliding blocks 20 are in one-to-one corresponding sliding fit with the two guide grooves 111. One side of the sliding block 20 facing the support 12 is provided with a limiting groove 23, the limiting groove 23 is provided with a first opening 231 and a second opening 232, the first opening 231 is arranged facing the support 12, and the second opening 232 is arranged facing upwards. The slider 20 may be formed as a silicone piece or a silicone sheet is provided on one side of the slider 20 facing the first clamping portion 13.

The adjusting member 30 includes a rod portion 31, a fitting head portion 32 and a handle 33, the rod portion 31 extends in a first direction, the rod portion 31 forms a threaded rod, one end of the rod portion 31 is connected with the fitting head portion 32, the other end of the rod portion 31 is connected with the handle 33, and a radial dimension of the fitting head portion 32 is larger than a radial dimension of the rod portion 31.

During installation, the two sliders 20 can be installed on the upper surface of the base plate 11, the guide block 22 is matched with the guide groove 111, then the two adjusting pieces 30 are installed on the supporting piece 12, the matching head 32 of each adjusting piece 30 is installed in the limiting groove 23 of the slider 20 from top to bottom through the second opening 232, the supporting piece 12 is pushed again, the supporting piece 12 is made to be attached to the connecting portions 14, and then the supporting piece 12 is connected with the connecting portions 14 through the fasteners 16, so that the microphone calibration tool 100 is assembled.

During calibration, a standard microphone can be mounted on the fixing member 15, and then the adjusting member 30 is screwed, so that the first clamping portion 13 and the second clamping portion 21 clamp the display screen, thereby facilitating subsequent calibration test of the target microphone.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Other configurations and operations of the display screen, the microphone, etc. according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a microphone calibration frock of display screen which characterized in that includes:

the upper side of the mounting seat is provided with a first clamping part;

the sliding block is arranged on the upper side of the mounting seat, the sliding block is provided with a second clamping part which is arranged opposite to the first clamping part in a first direction, and the sliding block can move along the first direction so as to clamp the display screen through the second clamping part and the first clamping part;

the adjusting piece is arranged on the mounting seat and connected with the sliding block so as to adjust the distance between the first clamping part and the second clamping part by driving the sliding block to move;

the lower side of the mounting seat is provided with a fixing piece for fixing a standard microphone.

2. The display screen microphone calibration tool of claim 1, wherein the fixing member comprises a plurality of clamping structures, and the plurality of clamping structures are arranged along the first direction.

3. The display screen microphone calibration fixture of claim 1, wherein one of the mount and the slider has a guide slot and the other has a guide block slidably engaged with the guide slot, the guide slot extending in the first direction.

4. The tool for calibrating the microphone of the display screen according to claim 3, wherein the guide grooves and the guide blocks respectively comprise a plurality of guide grooves, the guide grooves and the guide blocks are matched in a one-to-one correspondence manner, and at least two guide grooves are arranged at intervals in a second direction perpendicular to the first direction.

5. The microphone calibration tool for the display screen according to claim 1, wherein the adjusting piece forms an adjusting rod, the adjusting rod is in threaded fit with the mounting base, and one end of the adjusting rod is movably connected with the sliding block so as to convert the rotating motion of the adjusting rod into the moving motion of the sliding block.

6. The tool for calibrating the microphone of the display screen according to claim 5, wherein the adjusting rods and the sliding blocks respectively comprise a plurality of adjusting rods, and the adjusting rods are connected with the sliding blocks in a one-to-one correspondence manner.

7. The microphone calibration tool of the display screen according to claim 5, wherein the adjusting rod comprises:

the rod part is rotatably matched with the mounting seat, and one end of the rod part is provided with a handle;

the matching head is connected with the other end of the rod part, and the radial size of the matching head is larger than that of the rod part;

the slider is provided with a limiting groove, and the matching head is movably arranged in the limiting groove.

8. The tool for calibrating the microphone of the display screen according to claim 7, wherein the slider has a first opening and a second opening, the first opening is communicated with the limiting groove, the first opening is arranged towards the adjusting rod, the size of the first opening is smaller than the radial size of the fitting head, the second opening is arranged upwards, and the fitting head is suitable for being inserted into the limiting groove from the second opening.

9. The microphone calibration tool of the display screen of claim 1, wherein the mounting base comprises:

the first clamping part is arranged on the upper surface of the bottom plate;

the support piece is connected with the bottom plate, the support piece and the first clamping portion are oppositely arranged in the first direction, the sliding block is located between the first clamping portion and the support piece, and the adjusting piece is in threaded fit with the support piece.

10. The microphone calibration fixture of the display screen of any one of claims 1-9, wherein the mounting base is a plastic part and the slider is a silicone part.