CN213305483U - Microphone fixing structure and detection equipment - Google Patents
Microphone fixing structure and detection equipment Download PDFInfo
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- CN213305483U CN213305483U CN202021687547.0U CN202021687547U CN213305483U CN 213305483 U CN213305483 U CN 213305483U CN 202021687547 U CN202021687547 U CN 202021687547U CN 213305483 U CN213305483 U CN 213305483U
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Abstract
The application provides a microphone fixed knot constructs and check out test set, the microphone fixing base includes unable adjustment base, connecting seat and coniform sucking disc, the connecting seat sets up unable adjustment base's lower extreme with between the slot end of coniform sucking disc, with unable adjustment base with the coniform sucking disc is all connected, install the microphone of gathering audio signal in the coniform sucking disc, through above-mentioned technical scheme, noise in can effectual reduction audio signal.
Description
Technical Field
The application relates to the technical field of audio detection, in particular to a microphone fixing structure and a detection device with the same.
Background
With the widespread use of smart phones, the recycling of smart phones is also becoming more and more important. After the smart phone is recycled, the smart phone needs to be detected to see whether each function of the smart phone is normal, for example, whether a speaker, a microphone or a vibration device of the smart phone is normal or not is detected, so that functional components with normal functions can be recycled after the smart phone is disassembled.
When detecting a loudspeaker, a preset audio signal is usually played through the loudspeaker of the waste intelligent device, but a microphone is only mounted to collect much noise.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings existing in the current audio detection field, the present application provides a microphone fixing structure, which can effectively reduce the noise in the audio signal.
In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions:
a microphone fixing structure comprises a fixing base and a fixing base,
the connecting seat is arranged between the lower end of the fixed base and the narrow opening end of the conical sucker and connected with the fixed base and the conical sucker, and a microphone for collecting audio signals is installed in the conical sucker.
The microphone is arranged in the conical suction cup, the conical suction cup is not used for sucking air, but a conical structure of the conical suction cup is utilized, when the wide-mouth end of the conical suction cup is attached to a product to be detected, a closed cavity is formed inside the conical suction cup, and outside noise interference can be well isolated. When the mobile phone vibrates, a resonant cavity is formed, the microphone for collecting audio signals can be well fixed, the audio signals collected by the microphone can be clearer, the microphone transmits the collected audio signals to the audio signal processor and the data processing module, and the data processing module processes the audio signals according to a built-in program, wherein the microphone can be mounted in various modes, such as bonding and interference fit with the narrow-mouth end of the conical sucker.
Soft silica gel material is preferred to circular cone shape sucking disc 33, and on the one hand can be fine with the surface laminating of waiting to detect the product, form inclosed space, and on the other hand, soft silica gel has the cushioning effect when with the surface contact of waiting to detect the product, prevents to damage the surface of waiting to detect the product.
Preferably, the inner surface and/or the outer surface of the conical suction cup is/are provided with a sound insulation layer. In order to improve the sound insulation effect of the conical suction cup, a sound insulation layer is formed by adhering a layer of sound insulation material to the inner surface or the outer surface of the conical suction cup, wherein the sound insulation material can be one of sponge, polyurethane foam plastic, sound absorption cotton, sound insulation damping felt or a sound insulation blanket.
Preferably, the connecting seat comprises a first hollow column and a second hollow column which are vertically fixed, the first hollow column is fixedly connected with the second hollow column to form a limiting step, the first hollow column is connected with the fixed base, the second hollow column is connected with the narrow-mouth end of the conical suction cup, the microphone is arranged at the narrow-mouth end of the conical suction cup, a connecting line of the microphone penetrates through the first hollow column and the second hollow column to be connected with the audio signal processor, and the wide-mouth end of the conical suction cup is in contact with a product to be detected.
The connecting seat is arranged to be hollow, so that the signal wire can be hidden, and the signal wire is prevented from being damaged due to exposure. The connecting seat is designed into a step shape, so that the mounting requirements of different mounting occasions can be met.
Preferably, the lower extreme of unable adjustment base is equipped with circular shape mounting hole, the internal diameter of mounting hole with the external diameter of first hollow post corresponds the setting, first hollow post with mounting hole fixed connection, perhaps interference fit. Set up the hollow post of first hollow post and second and make the connection of coniform sucking disc and fixing base more convenient, set the mounting hole to the circular that suits with coniform sucking disc, also make the processing of hollow post simpler, convenient.
Preferably, the limiting step is abutted against the bottom of the mounting hole. The positioning can be performed when the connecting seat is fixedly connected. For example, if the connecting seat and the mounting hole are welded, the limiting step is abutted to the bottom of the mounting hole, so that the connecting seat can be welded at a preset position, and the mounting error is effectively reduced.
Preferably, unable adjustment base includes first connecting plate, second connecting plate, guide holder, guide bar and elastic component, the vertical setting of first connecting plate and second connecting plate and sliding connection, the guide holder interval sets up the upper end of second connecting plate, with first connecting plate fixed connection, the vertical setting of guide bar, the upper end with guide holder sliding connection, the lower extreme with the top fixed connection of second connecting plate, the elastic component cup joints on the guide bar, and both ends are respectively by the guide holder with second connecting plate card shelves, the microphone fixing base sets up the lower extreme of second connecting plate.
The lower end of the microphone fixing piece abuts against the product to be detected, when abutting force is larger than elastic force of the elastic piece, the elastic piece is compressed, the second connecting plate slides along the side wall of the first connecting plate, on one hand, excessive pressure cannot be caused on the product and the detecting piece, damage to the product to be detected and the microphone is effectively prevented, and on the other hand, the product to be detected with different thicknesses can be detected.
Preferably, the guide seat is provided with a guide hole, and the upper end of the guide rod penetrates through the guide hole and is in sliding connection with the guide hole. The guiding hole is matched with the guiding rod, so that the guiding effect is better.
Preferably, the guide rod is a bolt, a screw of the bolt penetrates through the guide seat and is fixedly connected with the upper end of the second connecting plate, and a nut of the bolt is blocked at the upper end of the guide seat. The nut of bolt block is in the guide holder can effectively prevent the guide bar from deviating from the guiding hole.
Preferably, the upper end of the second connecting plate is in sliding connection with the first connecting plate, and a hollow part is arranged between the upper end and the lower end of the second connecting plate. The hollow part is convenient for the installation of the microphone connecting seat.
The application also provides a detection device, the detection device has as above microphone fixed knot constructs.
The application has the advantages that: the application provides a microphone fixed knot constructs, including unable adjustment base, connecting seat and coniform sucking disc, the connecting seat sets up unable adjustment base's lower extreme with between the slot end of coniform sucking disc, with unable adjustment base with the coniform sucking disc is all connected, install the microphone of gathering audio signal in the coniform sucking disc, through above-mentioned technical scheme, noise in can effectual reduction audio signal.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is an external view schematically illustrating a microphone fixing structure according to an embodiment of the present application;
fig. 2 is a schematic diagram illustrating a disassembled structure of a microphone fixing structure according to an embodiment of the present application;
fig. 3 is a schematic cross-sectional view illustrating an assembly structure of a connection holder, a conical suction cup and a microphone of a microphone fixing structure according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a connection seat of a microphone fixing structure according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a cone-shaped suction cup of a microphone fixing structure according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a first connecting plate of a microphone fixing structure according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a second connecting plate of a microphone fixing structure according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1 to 7, a microphone fixing structure includes a fixing base 1, a connecting seat 2 and a conical suction cup 3, wherein the connecting seat 2 is disposed between a lower end of the fixing base 1 and a narrow end 31 of the conical suction cup 3, and is connected to both the fixing base 1 and the conical suction cup 3, and a microphone 4 for collecting an audio signal is installed in the conical suction cup 3.
The microphone 4 is installed in the conical suction cup 3, the conical suction cup 3 is not used for sucking air, but the conical structure of the conical suction cup is utilized, when the wide-mouth end 32 of the conical suction cup 3 is attached to a product to be detected, a closed cavity is formed inside the conical suction cup 3, and external noise interference can be well isolated. When the mobile phone vibrates, a resonant cavity is formed, the microphone 4 for collecting audio signals can be well fixed, the audio signals collected by the microphone 4 can be clearer, the microphone 4 transmits the collected audio signals to the audio signal processor and the data processing module, and the data processing module processes the audio signals according to a built-in program, wherein the microphone 4 can be mounted in various ways, for example, bonding is carried out, the outer shape of the microphone 4 is set to be cylindrical when bonding is carried out, the outer diameter of the microphone 4 is matched with the inner diameter of the narrow-mouth end 31 of the conical sucker 3, and an adhesive layer is arranged between the outer wall of the microphone 4 and the inner wall of the narrow-mouth end 31 of the conical sucker 3; or, the microphone 4 is in interference fit with the narrow-end 31 of the conical suction cup 3, the narrow-end 31 of the conical suction cup 3 is made of elastic silica gel, and the outer diameter of the microphone 4 is slightly larger than the inner diameter of the narrow-end 31 of the conical suction cup 3.
The conical suction cup 3 is made of silica gel preferably, so that on one hand, the conical suction cup can be well attached to the surface of a product to be detected to form a closed space, and on the other hand, the silica gel has a buffering effect when contacting with the surface of the product to be detected to prevent the surface of the product to be detected from being damaged.
In some embodiments of the present application, the inner and/or outer surface of the conical suction cup 3 is provided with a sound insulation layer. In order to improve the sound insulation effect of the conical suction cup 3, a sound insulation layer is formed by adhering a layer of sound insulation material to the inner surface or the outer surface of the conical suction cup 3, wherein the sound insulation material can be one of sponge, polyurethane foam, sound absorption cotton, sound insulation damping felt or sound insulation blanket, and the sound insulation layer can be fully distributed on the inner surface and/or the outer surface of the conical suction cup 3 or can be only arranged in a partial area.
The shape of the connecting seat 2 can be designed adaptively according to the shape and the installation space of the fixing base 1 and the property of the narrow-mouth end 31 of the conical suction cup 3, in some embodiments of the present application, the connecting seat 2 includes a first hollow column 21 and a second hollow column 22 which are vertically fixed, the first hollow column 21 and the second hollow column 22 are fixedly connected to form a limiting step 23, the first hollow column 21 is connected with the fixing base 1, the second hollow column 22 is connected with the narrow-mouth end 31 of the conical suction cup 3, the microphone 4 is arranged at the narrow-mouth end 31 of the conical suction cup 3, a connecting line of the microphone 4 passes through the first hollow column 21 and the second hollow column 22 and is connected with an audio signal processor, and the wide-mouth end 32 of the conical suction cup 3 is in contact with a product to be detected.
The connecting seat 2 is arranged in a hollow shape, so that a signal wire can be hidden and prevented from being damaged due to exposure. The connecting seat 2 is designed into a step shape, so that the mounting requirements of different mounting occasions can be met.
In order to facilitate connection with the first hollow column 21, a circular mounting hole 11 is formed in the lower end of the fixing base 1, the inner diameter of the mounting hole 11 corresponds to the outer diameter of the first hollow column 21, and the first hollow column 21 is fixedly connected with the mounting hole 11 or in interference fit with the mounting hole. Set up the hollow post of first hollow post 21 and the hollow post 22 of second and make the connection of coniform sucking disc 3 and fixing base more convenient, set mounting hole 11 to the circular that suits with coniform sucking disc 3, also make the processing of hollow post simpler, convenient.
In order to facilitate the positioning of the connecting seat 2 during installation, the limiting step 23 is abutted against the bottom of the installation hole 11. For example, if the connecting seat 2 and the mounting hole 11 are welded, the limiting step 23 is abutted to the bottom of the mounting hole 11, so that the connecting seat 2 can be welded at a preset position, and the mounting error is effectively reduced.
The structure of the stationary base 1 may be designed adaptively according to the structure of a driving mechanism connected with the stationary base 1, in some embodiments of the present application, the fixing base 1 includes a first connecting plate 12, a second connecting plate 13, a guide seat 14, a guide rod 15 and an elastic member 16, the first connecting plate 12 and the second connecting plate 13 are vertically arranged and slidably connected, the guide seats 14 are arranged at the upper end of the second connecting plate 13 at intervals, the guide rod 15 is vertically arranged, the upper end of the guide rod is connected with the guide seat 14 in a sliding manner, the lower end of the guide rod is fixedly connected with the top end of the second connecting plate 13, the elastic piece 16 is sleeved on the guide rod 15, and both ends are blocked by guide holder 14 and second connecting plate 13 respectively, microphone 4 fixing base sets up the lower extreme of second connecting plate 13.
The lower end of the fixing part of the microphone 4 abuts against the product to be detected, when the abutting force is larger than the elastic force of the elastic part 16, the elastic part 16 is compressed, the second connecting plate 13 slides along the side wall of the first connecting plate 12, excessive pressure cannot be caused on the product and the detection part, the product to be detected and the microphone 4 are effectively prevented from being damaged, and the product to be detected with different thicknesses can be detected.
The elastic piece 16 can be selected according to the pressure that can bear of waiting to detect the product, and the setting of adaptability is carried out to the flexibility of conical suction cup 3, compression spring can be selected to the elastic piece 16, also can select rubber body or colloidal silica etc..
The sliding connection between the first connecting plate 12 and the second connecting plate 13 can be designed through a sliding connection structure common in the mechanical field, for example, a groove slide rail 12a in the vertical direction is arranged on one side wall of the fixing plate, a slide block 13a matched with the groove slide rail 12a is arranged on the fixing seat, and the slide block 13a can slide up and down along the slide rail. The groove slide rail 12a can also be deformed into a slide rod in the vertical direction, the guide seat 14 is provided with a through hole for the slide rod to pass through, and the slide block 13a is connected with the slide rod in a sliding manner.
In order to make the guiding effect better, in some embodiments of the present application, the guide seat 14 is provided with a guide hole, and the upper end of the guide rod 15 passes through the guide hole and is slidably connected with the guide hole. The guide hole is fitted with the guide bar 15.
The guide rod 15 may be a straight rod or a bolt, a screw of the bolt passes through the guide seat 14 and is fixedly connected with the upper end of the second connecting plate 13, and a nut of the bolt is blocked at the upper end of the guide seat 14. The nut of the bolt is blocked on the guide seat 14, so that the guide rod 15 can be effectively prevented from falling out of the guide hole.
In addition, for the convenience of installation, the groove slide rail 12a is detachably connected with the first connecting plate 12, and the slider 13a is detachably connected with the second connecting plate 13. The detachable connection can adopt a common detachable connection structure, in some embodiments of the present application, the first connection is provided with a mounting groove, and the groove slide rail 12a is detachably mounted in the mounting groove through a bolt. As shown in fig. 2, the slider 13a may also be configured in a similar manner, and may be configured as a separate structure detachably connected to the second connecting plate 13, for example, the slider 13a may be connected to the second connecting plate 13 by a bolt.
In order to facilitate the installation of the connection seat 2 of the microphone 4, in some embodiments of the present application, the upper end of the second connection plate 13 is slidably connected to the first connection plate 12, and a hollow portion is disposed between the upper end and the lower end of the second connection plate 13.
The application also provides a detection device, the detection device has as above microphone fixed knot constructs.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present disclosure should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A microphone fixing structure comprises a fixing base and is characterized by also comprising a fixing base,
the connecting seat is arranged between the lower end of the fixed base and the narrow opening end of the conical sucker and connected with the fixed base and the conical sucker, and a microphone for collecting audio signals is installed in the conical sucker.
2. The microphone fixing structure as claimed in claim 1, wherein an inner surface and/or an outer surface of the conical suction cup is provided with a sound insulating layer.
3. The microphone fixing structure as claimed in claim 1, wherein the connecting base includes a first hollow column and a second hollow column which are vertically fixed, the first hollow column and the second hollow column are fixedly connected to form a limit step, the first hollow column is connected to the fixing base, the second hollow column is connected to the narrow-mouth end of the cone-shaped suction cup, the microphone is disposed at the narrow-mouth end of the cone-shaped suction cup, a connecting line of the microphone penetrates through the first hollow column and the second hollow column to be connected to the audio signal processor, and the wide-mouth end of the cone-shaped suction cup is in contact with a product to be detected.
4. The microphone fixing structure as claimed in claim 3, wherein the fixing base has a circular mounting hole at a lower end thereof, an inner diameter of the mounting hole is formed to correspond to an outer diameter of the first hollow post, and the first hollow post is fixedly coupled to the mounting hole or is in interference fit with the mounting hole.
5. The microphone fixing structure as claimed in claim 4, wherein the limit step abuts against a bottom of the mounting hole.
6. A microphone fixing structure according to any one of claims 1 to 5, wherein the fixing base includes a first connecting plate, a second connecting plate, a guide holder, a guide rod, and an elastic member, the first connecting plate and the second connecting plate are vertically disposed and slidably connected, the guide holder is disposed at an upper end of the second connecting plate at an interval and fixedly connected to the first connecting plate, the guide rod is vertically disposed, an upper end of the guide rod is slidably connected to the guide holder, a lower end of the guide rod is fixedly connected to a top end of the second connecting plate, the elastic member is sleeved on the guide rod, and both ends of the elastic member are respectively engaged with the guide holder and the second connecting plate, and the microphone fixing base is disposed at a lower end of the second connecting plate.
7. The microphone fixing structure as claimed in claim 6, wherein the guide holder is provided with a guide hole, and an upper end of the guide rod is slidably coupled to the guide hole through the guide hole.
8. The microphone fixing structure as claimed in claim 7, wherein the guide rod is configured as a bolt, a screw of the bolt passes through a guide holder to be fixedly connected with the upper end of the second connecting plate, and a nut of the bolt is caught at the upper end of the guide holder.
9. The microphone fixing structure as claimed in claim 6, wherein the second connecting plate is slidably connected to the first connecting plate at an upper end thereof, and a hollow portion is provided between the upper end and the lower end of the second connecting plate.
10. A detection device characterized in that it has a microphone fixing structure according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021687547.0U CN213305483U (en) | 2020-08-13 | 2020-08-13 | Microphone fixing structure and detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021687547.0U CN213305483U (en) | 2020-08-13 | 2020-08-13 | Microphone fixing structure and detection equipment |
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| Publication Number | Publication Date |
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| CN213305483U true CN213305483U (en) | 2021-05-28 |
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| CN202021687547.0U Active CN213305483U (en) | 2020-08-13 | 2020-08-13 | Microphone fixing structure and detection equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11922467B2 (en) | 2020-08-17 | 2024-03-05 | ecoATM, Inc. | Evaluating an electronic device using optical character recognition |
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2020
- 2020-08-13 CN CN202021687547.0U patent/CN213305483U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11922467B2 (en) | 2020-08-17 | 2024-03-05 | ecoATM, Inc. | Evaluating an electronic device using optical character recognition |
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Address after: Room 1101-1103, No. 433, Songhu Road, Yangpu District, Shanghai Patentee after: Shanghai wanwansheng Environmental Protection Technology Group Co.,Ltd. Address before: Room 1101-1103, No. 433, Songhu Road, Yangpu District, Shanghai Patentee before: SHANGHAI YUEYI NETWORK INFORMATION TECHNOLOGY Co.,Ltd. |