CN216899432U - Microphone air tightness testing system - Google Patents
Microphone air tightness testing system Download PDFInfo
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- CN216899432U CN216899432U CN202122808047.9U CN202122808047U CN216899432U CN 216899432 U CN216899432 U CN 216899432U CN 202122808047 U CN202122808047 U CN 202122808047U CN 216899432 U CN216899432 U CN 216899432U
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- upper cover
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Abstract
The utility model relates to the technical field of equipment testing, and discloses a microphone air tightness testing system which comprises a control system, an auxiliary system and a clamp system, wherein the control system comprises a control system, a control system and a clamp system; the control system is connected with the auxiliary system; the auxiliary system is connected with the clamp system; the auxiliary system comprises an electromagnetic valve and a shielding box, and the clamp system comprises a clamp and an air cylinder; the clamp system is placed in the shielding box, and the electromagnetic valve controls the cylinder to move. The microphone air tightness testing system provided by the utility model can realize automatic testing of microphone air tightness, shorten testing time and improve testing efficiency.
Description
Technical Field
The utility model relates to the technical field of equipment testing, in particular to a microphone air tightness testing system.
Background
The existing voice interaction product brings great convenience to the life of a user, and the accuracy of voice recognition directly influences the user experience.
In order to improve the accuracy of speech recognition, for such products, two aspects of the production process need to be concerned: firstly, the microphone and the peripheral structural materials need to be well matched, so that the microphone has a unique and correct pickup path, and the voice recognition algorithm is facilitated to correctly process received sound; secondly, because the mutual product of pronunciation all is from taking the speaker, the vibration that the speaker produced when the pronunciation can pass through the product structure, transmits the microphone, influences the complete machine again and to the discernment of sound, consequently will do the vibration isolation of product itself, reduces the influence of self speaker to the microphone. In order to test the effects of the two aspects, the microphone needs to be tested for air tightness, but at present, the test board is pressed on the surface of the microphone to be tested mainly in a manual pressing mode, so that the test time is long, and the test efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a microphone air tightness testing system, which realizes automatic testing of microphone air tightness, shortens testing time and improves testing efficiency.
In order to solve the above technical problems, in a first aspect, an embodiment of the present invention provides a microphone airtightness testing system, including a control system, an auxiliary system, and a clamp system;
the control system is connected with the auxiliary system;
the auxiliary system is connected with the clamp system;
the auxiliary system comprises an electromagnetic valve and a shielding box, and the clamp system comprises a clamp and an air cylinder;
the clamp system is placed in the shielding box, and the solenoid valve controls the cylinder to move.
As a preferred scheme, the clamp comprises a base, a bracket and an upper cover; wherein the content of the first and second substances,
the base is used for placing equipment to be tested;
the bracket is arranged on the base and used for supporting the air cylinder and the upper cover;
the upper cover is connected with the cylinder and used for blocking a sound inlet hole of the equipment to be tested; and a hole plugging material is also arranged on one surface of the upper cover, which plugs the sound inlet hole of the equipment to be tested.
Preferably, the hole plugging material is a flexible material.
As a preferable scheme, the hole blocking material comprises electrostatic cotton positioned on an upper layer and silica gel positioned on a lower layer.
Preferably, the base, the bracket and the upper cover are all made of rigid materials.
As a preferable scheme, a flexible material is further arranged on one surface of the base, on which the device to be tested is placed.
Preferably, the control system is connected with the auxiliary system through a wire.
Preferably, the auxiliary system is connected with the clamp system through a rubber hose.
Compared with the prior art, the microphone air tightness test system provided by the embodiment of the utility model has the beneficial effects that: when the air tightness test is carried out, the control system is used for controlling the clamp to carry out hole plugging and cancel the hole plugging operation; the auxiliary system is used for providing an audio test environment, the shielding box is used for isolating external sound, interference on a test result is avoided, the auxiliary system is also used for connecting the control system and the clamp system, and the control system directly controls the auxiliary system to achieve the purpose of indirectly controlling the clamp system; the clamp system is used for plugging holes of a product to be tested and canceling the hole plugging operation; the automatic test is realized, the test efficiency is improved, the generation cost is reduced, the manual operation is reduced, and the test reliability and consistency are improved.
Drawings
In order to more clearly illustrate the technical features of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is apparent that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on the drawings without inventive labor.
FIG. 1 is a schematic structural diagram of a preferred embodiment of a microphone airtightness testing system according to the present invention;
fig. 2 is a schematic structural diagram of a preferred embodiment of a clamp provided by the present invention.
Detailed Description
In order to clearly understand the technical features, objects and effects of the present invention, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the utility model, but are not intended to limit the scope of the utility model. Other embodiments, which can be derived by those skilled in the art from the embodiments of the present invention without inventive step, shall fall within the scope of the present invention.
Fig. 1 is a schematic structural diagram of a microphone airtightness testing system according to a preferred embodiment of the present invention.
As shown in fig. 1, the microphone airtightness testing system includes a control system 1, an auxiliary system 2, and a jig system 3;
the control system 1 is connected with the auxiliary system 2;
the auxiliary system 2 is connected with the clamp system 3;
the auxiliary system 2 comprises an electromagnetic valve 21 and a shielding box 22, and the clamp system 3 comprises a clamp 31 and an air cylinder 32;
the clamp system 3 is placed in the shielding box, and the electromagnetic valve controls the cylinder to move.
Preferably, the control system 1 is connected to the auxiliary system 2 by a wire.
Preferably, the auxiliary system 2 is connected to the clamp system 3 through a hose.
When the air tightness test is carried out, the control system is used for controlling the clamp to carry out hole plugging and canceling hole plugging; the auxiliary system is used for providing an audio test environment, the shielding box (or the sound silencing box) is used for isolating external sound, interference on a test result is avoided, the auxiliary system is also used for connecting the control system and the clamp system, and the control system achieves the aim of indirectly controlling the clamp system by directly controlling the auxiliary system; the clamp system is used for plugging holes of a product to be detected and canceling the hole plugging operation.
Specifically, the control system is connected with testing equipment such as a computer through a serial port on one hand, receives an instruction sent by the test, receives a hole plugging instruction sent by the testing equipment at a hole plugging stage in the testing process, and receives a command of canceling the hole plugging when the test is passed; and on the other hand, the auxiliary system is connected with the shielding box and the clamp system, the hole plugging operation is sent out in the hole plugging stage in the testing process, and the operations of canceling the hole plugging and opening the shielding box are sent out when the test is passed. The auxiliary system's shielded cell is used for placing anchor clamps system and the product that awaits measuring, auxiliary system's solenoid valve is used for controlling the motion of cylinder and then control opening and closing of anchor clamps to realize stifled hole and cancel the operation in stifled hole. The air cylinder of the clamp system can move up and down under the control of the electromagnetic valve, so that the clamp is controlled to be opened (moved upwards, the hole plugging is cancelled) and closed (moved downwards, the hole plugging is cancelled).
The microphone air tightness testing system provided by the embodiment of the utility model can realize automatic testing, improve the testing efficiency, reduce the generation cost, reduce manual operation and improve the testing reliability and consistency.
Fig. 2 is a schematic structural diagram of a preferred embodiment of a clamp according to the present invention.
As shown in fig. 2, the 31 includes a base 311, a bracket 312, and an upper cover 313; wherein the content of the first and second substances,
the base 311 is used for placing a Device Under Test (DUT);
the bracket 312 is arranged on the base 311 and is used for supporting the air cylinder 32 and the upper cover 313;
the upper cover 313 is connected with the cylinder 32 and used for blocking a sound inlet hole of the device to be tested; and a hole plugging material is also arranged on one surface of the upper cover 313 plugging the sound inlet hole of the equipment to be tested.
Particularly, the base of the clamp is used for placing the equipment to be tested. The support of anchor clamps is used for supporting cylinder and upper cover. The length and width of the upper cover of the clamp need to be proper, so that all microphone sound inlet holes of the equipment to be tested can be completely covered, and the problem of deformation of the upper cover of the clamp caused by overlarge size is avoided.
Furthermore, in order to fully block the microphone sound inlet hole of the device to be tested, a hole blocking material is arranged between the upper cover of the clamp and the sound inlet hole.
In a preferred embodiment, the hole blocking material is a flexible material.
In this embodiment, stifled hole material is flexible material, stifled hole material still has suitable thickness, when receiving pressure, takes place deformation by suitable compression, fully fills the gap between anchor clamps upper cover and the equipment surface that awaits measuring, reaches the stifled hole effect of ideal.
In a preferred embodiment, the hole blocking material comprises electrostatic cotton 314 on the upper layer and silicone 315 on the lower layer.
In this embodiment, the stifled hole material comprises the static cotton of upper strata and the silica gel of lower floor, can reach more ideal stifled hole effect.
In a preferred embodiment, the base 311, the bracket 312, and the cover 313 are all rigid materials.
It should be noted that the surface of the casing where the microphone sound inlet hole of the device under test is located is also made of a rigid material. In this embodiment, the base, the bracket, and the upper cover of the fixture are made of rigid materials, so that the fixture is not deformed.
In a preferred embodiment, a surface of the base, on which the device under test is placed, is further provided with a flexible material.
In this embodiment, the base of anchor clamps still is provided with flexible material with the one side of the equipment to be measured contact, and impact force when can alleviate the equipment to be measured and pressure when stifled hole when placing prolongs the life of anchor clamps.
In the description of the present specification, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "beneath," and "beneath" a second feature includes the second feature being directly above and obliquely above the first feature, or simply meaning that the first feature is at a lesser level than the second feature.
The above disclosure provides many different embodiments, or examples, for implementing different features of the utility model. The components and arrangements of the specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and it should be noted that, for those skilled in the art, several equivalent obvious modifications and/or equivalent substitutions can be made without departing from the technical principle of the present invention, and these obvious modifications and/or equivalent substitutions should also be regarded as the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A microphone air tightness test system is characterized by comprising a control system, an auxiliary system and a clamp system;
the control system is connected with the auxiliary system;
the auxiliary system is connected with the clamp system;
the auxiliary system comprises an electromagnetic valve and a shielding box, and the clamp system comprises a clamp and an air cylinder;
the clamp system is placed in the shielding box, and the solenoid valve controls the cylinder to move.
2. The microphone airtightness testing system according to claim 1, wherein the jig includes a base, a support, and an upper cover; wherein the content of the first and second substances,
the base is used for placing equipment to be tested;
the bracket is arranged on the base and used for supporting the air cylinder and the upper cover;
the upper cover is connected with the cylinder and used for blocking a sound inlet hole of the equipment to be tested; and a hole plugging material is also arranged on one surface of the upper cover, which plugs the sound inlet hole of the equipment to be tested.
3. A microphone airtightness testing system according to claim 2, wherein the hole blocking material is a flexible material.
4. A microphone airtightness testing system according to claim 2, wherein the hole blocking material comprises electrostatic cotton in an upper layer and silicone rubber in a lower layer.
5. A microphone airtightness testing system according to claim 2, wherein the base, the holder, and the upper cover are each a rigid material.
6. The microphone airtightness testing system according to claim 2, wherein a surface of the base on which the device under test is placed is further provided with a flexible material.
7. The microphone airtightness testing system according to claim 1, wherein the control system is connected to the auxiliary system through a wire.
8. The microphone airtightness testing system according to claim 1, wherein the auxiliary system is connected to the jig system through a rubber tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122808047.9U CN216899432U (en) | 2021-11-16 | 2021-11-16 | Microphone air tightness testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122808047.9U CN216899432U (en) | 2021-11-16 | 2021-11-16 | Microphone air tightness testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216899432U true CN216899432U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122808047.9U Active CN216899432U (en) | 2021-11-16 | 2021-11-16 | Microphone air tightness testing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216899432U (en) |
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2021
- 2021-11-16 CN CN202122808047.9U patent/CN216899432U/en active Active
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