Microphone module fixing device and camera equipment
By designing a microphone module fixing device, the PCB board is clamped using a housing and elastic abutment, solving the problems of large space occupation and reduced sound reception effect of silicone pad fixing method, and achieving a more compact structure and better sound reception performance.
Patent Information
- Application Number
- CN202423282678.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-30
AI Technical Summary
In existing technologies, fixing the microphone module with silicone pads occupies too much internal space, resulting in an increased overall product size and reduced sound pickup performance.
A microphone module fixing device is adopted, including a housing, a fixing plate assembly and an elastic abutment. The PCB board is clamped by the receiving groove and the elastic abutment, which reduces space occupation and improves the sound reception effect.
This design allows the microphone module to fit snugly against the housing, reducing the space occupied inside the machine and improving sound pickup.
Smart Images

Figure CN223613485U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to microphone assembly technical field especially relates to a microphone module fixing device and camera equipment. BACKGROUND
[0002] The existing microphone module is fixed in the preset hole by setting silica gel pad in front and back of the module, and the silica gel pad is elastically deformed by extrusion, so that the microphone module is stably fixed in the preset hole. This design can ensure the stability and reliability of the microphone module.
[0003] But the microphone module needs to be fixed by silica gel pad, and a larger fixed hole space is designed in the machine. This fixing method occupies too much space in the machine, which increases the design space of the machine, and thus increases the overall structure size of the product. The thickness of the silica gel pad increases the distance between the microphone module and the outer wall of the machine, which reduces the sound collection effect of the microphone module of the product. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a microphone module fixing device and camera equipment to solve the problem that the silica gel pad occupies too much space in the machine when fixing the microphone module in the prior art. The thickness of the silica gel pad increases the distance between the microphone module and the outer wall of the machine, which reduces the sound collection effect of the microphone module of the product. The utility model reduces the occupation of the internal space of the machine and improves the sound collection effect of the microphone module.
[0005] To achieve this purpose, the utility model adopts the following technical scheme:
[0006] On the one hand, a microphone module fixing device is provided, which includes a PCB board and a connector. The connector is integrally connected with the PCB board. The microphone module fixing device comprises:
[0007] A shell;
[0008] A fixed plate assembly, which comprises a first fixed plate. The first fixed plate is horizontally arranged in the shell and has a gap with the bottom of the shell. The first fixed plate is provided with a notch on one side. The notch and the shell form a containing groove together. The PCB board is arranged in the containing groove, and the connector is arranged above the first fixed plate;
[0009] An elastic abutting piece, which is arranged in the shell and abuts against the PCB board to clamp the PCB board together with the shell.
[0010] As an optional technical scheme of the microphone module fixing device, the fixing plate assembly further comprises a second fixing plate, the second fixing plate is arranged in a vertical direction and spaced apart from the first fixing plate, and the second fixing plate is provided with the notch at a position corresponding to the first fixing plate.
[0011] As an optional technical scheme of the microphone module fixing device, the elastic abutting piece is provided as an elastic sheet.
[0012] As an optional technical scheme of the microphone module fixing device, a through hole is arranged on the elastic sheet, a threaded hole is arranged on the second fixing plate, a bolt is screwed with the threaded hole after passing through the through hole, so as to fix the elastic sheet on the second fixing plate, and the elastic sheet can abut against the PCB after being bent.
[0013] As an optional technical scheme of the microphone module fixing device, the material of the elastic sheet is elastic metal or elastic plastic.
[0014] As an optional technical scheme of the microphone module fixing device, the elastic abutting piece is provided as a spring.
[0015] As an optional technical scheme of the microphone module fixing device, the fixing plate assembly further comprises a third fixing plate, the third fixing plate is arranged between the first fixing plate and the second fixing plate, and is detachably connected with the second fixing plate, one end of the spring abuts against the third fixing plate, and the other end abuts against the PCB.
[0016] As an optional technical scheme of the microphone module fixing device, the material of the spring is elastic metal or elastic plastic.
[0017] As an optional technical scheme of the microphone module fixing device, the elastic abutting piece is provided as a plurality of springs.
[0018] In another aspect, a camera device is provided, comprising the above microphone module fixing device.
[0019] The utility model discloses beneficial effect:
[0020] This application discloses a microphone module fixing device and a camera device. The microphone module includes a PCB board and a connector, with the connector and PCB board integrally connected. The microphone module fixing device includes a housing, a fixing plate assembly, and an elastic abutment. The fixing plate assembly includes a first fixing plate, which is horizontally disposed within the housing and has a gap with the bottom of the housing. A notch is provided on one side of the first fixing plate, forming a receiving groove together with the housing. The PCB board is placed in the receiving groove, and the connector is placed above the first fixing plate. The elastic abutment is disposed inside the housing and abuts against the PCB board to clamp the PCB board together with the housing. The receiving groove can limit the position of the PCB board, and the elastic abutment uses its own elasticity to abut the PCB board against the inside of the housing. The PCB board is in close contact with the housing, which improves the sound pickup effect of the microphone module and reduces the space occupied inside the machine. Attached Figure Description
[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this utility model and these drawings without creative effort.
[0022] Figure 1 This is a schematic diagram of the microphone module fixing device provided in this embodiment of the utility model;
[0023] Figure 2 This is a first isometric schematic diagram of the microphone module fixing device provided in this embodiment of the present invention;
[0024] Figure 3 This is a second isometric schematic diagram of the microphone module fixing device provided in this embodiment of the utility model;
[0025] Figure 4 This is a third isometric schematic diagram of the microphone module fixing device provided in this embodiment of the utility model.
[0026] In the picture:
[0027] 1. PCB board; 2. Connector;
[0028] 10. Shell; 11. Ribs;
[0029] 20. Fixing plate assembly; 21. First fixing plate; 22. Second fixing plate; 23. Stud; 24. Fourth fixing plate;
[0030] 30. Flexible abutment component. Detailed Implementation
[0031] The utility model will be described in further detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are merely intended to explain the utility model and not to limit the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for ease of description, not all the structures.
[0032] In the description of the utility model, unless explicitly defined and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0033] In the utility model, unless explicitly defined and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0034] In the description of the embodiment, the terms "up", "down", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.
[0035] In the prior art, when the microphone module is fixed by the silica gel pad, a larger fixed hole space is designed in the machine, which occupies too much space in the machine, increases the design space in the machine, and increases the overall structure size of the product. The thickness of the silica gel pad increases the distance between the microphone module and the outer wall of the machine, and reduces the sound pickup effect of the microphone module of the product.
[0036] Specifically, the microphone module comprises a PCB board 1 and a connector 2, and the connector 2 is integrally connected with the PCB board 1.
[0037] To solve the above problems, the embodiment provides a camera device comprising a microphone module fixing device. Figures 1-4 The microphone module fixing device comprises a shell 10, a fixing plate assembly 20 and an elastic abutting piece 30. The fixing plate assembly 20 comprises a first fixing plate 21, which is horizontally arranged in the shell 10 and has a gap with the bottom of the shell 10. The first fixing plate 21 is provided with a notch on one side, and the notch and the shell 10 jointly form a containing groove. A PCB 1 is arranged in the containing groove, and a connector 2 is arranged above the first fixing plate 21. The elastic abutting piece 30 is arranged inside the shell 10 and abuts against the PCB 1 to jointly clamp the PCB 1 with the shell 10. The containing groove can limit the PCB 1. The elastic abutting piece 30 abuts the PCB 1 against the inner side of the shell 10 by using its elastic force, and the PCB 1 is tightly attached to the shell 10, thereby improving the sound receiving effect of the microphone module and reducing the occupation of the internal space of the machine.
[0038] Specifically, the inner side of the shell 10 is provided with a plurality of ribs 11, and the ribs 11 are arranged in the vertical direction. The ends of all the ribs 11 are located in the same horizontal plane. The PCB 1 is abutted against the end face of the ribs 11 by the elastic abutting piece 30, so as to avoid damage to the PCB 1 caused by the uneven inner side of the shell 10. Specifically, the ribs 11 can be made of flexible materials such as rubber or silicone, so as to avoid scratching the PCB 1.
[0039] Further, the fixing plate assembly 20 further comprises a second fixing plate 22, which is arranged in the vertical direction and spaced apart from the first fixing plate 21. The second fixing plate 22 is provided with a notch at a position corresponding to the first fixing plate 21. Specifically, the first fixing plate 21 and the second fixing plate 22 are connected by a stud 23, which is arranged at the bottom of the shell 10 and penetrates through the first fixing plate 21 and the second fixing plate 22. Preferably, the first fixing plate 21 and the second fixing plate 22 are square, and the stud 23 is four, which is arranged at the four corners of the first fixing plate 21 and the second fixing plate 22.
[0040] Further, the fixing plate assembly 20 further comprises a fourth fixing plate 24, which is arranged between the first fixing plate 21 and the second fixing plate 22 and has the same structure as the first fixing plate 21, so as to increase the limitation of the PCB 1 and support other components of the camera device.
[0041] In the embodiment, the elastic abutting member 30 is provided as an elastic sheet. Specifically, a through hole is provided on the elastic sheet, and a threaded hole is provided on the second fixing plate 22, a bolt is screwed with the threaded hole through the through hole to fix the elastic sheet on the second fixing plate 22, and the elastic sheet can abut against the PCB 1 after being bent. Specifically, the material of the elastic sheet is elastic metal or elastic plastic. When the elastic sheet is bent, the elastic sheet will release the force resisting the bending due to its elasticity and recovery performance, thereby abutting the PCB 1 inside the shell 10. The elastic metal includes tungsten, beryllium copper alloy, stainless steel, die steel and the like, and the elastic plastic includes rubber, silicone, nylon, polyester, polyethylene and the like.
[0042] In other embodiments, the elastic abutting member 30 can be provided as a spring. Specifically, the fixing plate assembly 20 further includes a third fixing plate, which is arranged between the first fixing plate 21 and the second fixing plate 22 and detachably connected with the second fixing plate 22, one end of the spring abuts against the third fixing plate, and the other end abuts against the PCB 1. In other embodiments, the third fixing plate can be fixed on the first fixing plate 21 and / or the fourth fixing plate 24. The spring abuts against the PCB 1 and the third fixing plate after being compressed, and the spring will release the force resisting the compression due to its elasticity and recovery performance, thereby abutting the PCB 1 inside the shell 10 and increasing the abutting stability of the PCB 1. Specifically, the material of the spring is elastic metal or elastic plastic.
[0043] Further, the elastic abutting member 30 is provided as a plurality of members. In the embodiment, the elastic abutting member 30 is provided as two members, which abut against two sides of the PCB 1 respectively. If it is necessary to increase the uniformity of the stress of the PCB 1, the number of the elastic abutting members 30 can be increased.
[0044] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the present application. Here, it is unnecessary and impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A microphone module fixing device, the microphone module comprising a PCB board (1) and a connector (2) which is integrally connected with the PCB board (1), characterized in that, The microphone module fixing device comprises: a shell (10); a fixing plate assembly (20) comprising a first fixing plate (21) horizontally arranged in the shell (10) and having a gap with the bottom of the shell (10), the first fixing plate (21) being provided with a notch on one side, the notch and the shell (10) jointly forming a containing groove, the PCB board (1) being arranged in the containing groove, and the connector (2) being arranged above the first fixing plate (21); an elastic abutting piece (30) arranged inside the shell (10) and abutting against the PCB board (1) to jointly clamp the PCB board (1) with the shell (10).
2. The microphone module fixture of claim 1, wherein, The fixing plate assembly (20) further comprises a second fixing plate (22) arranged in a vertical direction apart from the first fixing plate (21), and the second fixing plate (22) is provided with the notch at a position corresponding to the first fixing plate (21).
3. The microphone module fixture of claim 2, wherein, The elastic abutting piece (30) is provided as an elastic sheet.
4. The microphone module fixture of claim 3, wherein, A through hole is arranged on the elastic sheet, a threaded hole is arranged on the second fixing plate (22), a bolt passes through the through hole and is screwed with the threaded hole to fix the elastic sheet to the second fixing plate (22), and the elastic sheet can abut against the PCB board (1) after being bent.
5. The microphone module fixture of claim 3, wherein, The material of the elastic sheet is elastic metal or elastic plastic.
6. The microphone module fixture of claim 2, wherein, The elastic abutting piece (30) is provided as a spring.
7. The microphone module fixture of claim 6, wherein, The fixing plate assembly (20) further comprises a third fixing plate arranged between the first fixing plate (21) and the second fixing plate (22) and detachably connected with the second fixing plate (22), one end of the spring abutting against the third fixing plate and the other end abutting against the PCB board (1).
8. The microphone module fixture of claim 6, wherein, The material of the spring is elastic metal or elastic plastic.
9. The microphone module fixture of any one of claims 1-8, wherein, There are multiple elastic abutting pieces (30).
10. An image pickup apparatus characterized by comprising: The microphone module fixing device comprises the microphone module fixing device according to any one of claims 1-9.