Microphone core

Abstract

The utility model relates to the technical field of microphone cores, in particular to a microphone core which comprises a microphone core body assembly, a double-layer separation rubber sleeve assembly is arranged on the outer surface wall of the microphone core body assembly, and a rubber sleeve inner pad assembly is arranged on the inner surface wall of the double-layer separation rubber sleeve assembly. According to the utility model, the rubber pad for the microphone core is divided into an inner layer and an outer layer, and the bottom flexible pad is used as a bottom pad of the inner-layer rubber sleeve main body, so that the vibration generated by the microphone core in the rubber sleeve is not easily transmitted to the outside of the outer-layer rubber sleeve main body, and the influence of the vibration on the work of the microphone core is reduced; the external sound-absorbing sponge made of the sound-absorbing nano sponge material is utilized, so that the sound transmitted by the microphone core is isolated and absorbed, the sound quality of the microphone is further improved, and noise is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of microphone cores, in particular to a microphone core. Background Art

[0002] Microphone, scientifically known as microphone, also known as microphone or micro-phone. Microphone is an energy conversion device that converts sound signals into electrical signals. There are dynamic, condenser, electret and the recently emerging silicon micro-microphone, in addition to liquid microphones and laser microphones. Most microphones are electret condenser microphones, which work on the principle of using a polymer material vibration membrane with permanent charge isolation.

[0003] Authorization announcement number CN217643640U A rubber sleeve for a microphone core, relates to the technical field of sound receiving equipment, and its main purpose is to solve the problem of poor sound reception caused by improper arrangement of the microphone core in the prior art. The rubber sleeve for the microphone core includes a fixed column and a limiting sleeve located on the fixed column, and the number of the limiting sleeves is at least two; one end of the limiting sleeve is connected to the fixed column through a connecting column, and the other end is provided with at least one hollow limiting ring, and the two limiting rings located on the two limiting sleeves are arranged in different directions; the microphone core can be fixed on the limiting sleeve via the limiting ring. The utility model arranges multiple microphone cores by limiting rings arranged in different directions to improve the sound reception effect of the microphone core.

[0004] However, the above and other typical existing technologies still have certain problems when used:

[0005] 1. During the use of the patented rubber sleeve for the microphone core, due to problems with its own material and the lack of a good structure to prevent vibration transmission, the vibration generated by the microphone core cannot be eliminated well.

[0006] 2. The patented microphone core rubber cover does not have a good sound-absorbing structure during use. The microphone core will also produce some noise due to vibration during use. These noises will be transmitted along with other sounds, affecting the actual sound quality of the microphone. Utility Model Content

[0007] The utility model aims to provide a microphone core to solve the problem that the rubber sleeve of the microphone core cannot isolate vibration and cannot absorb noise proposed in the above background technology.

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] A microphone core, comprising a microphone core main body component, the outer surface wall of the microphone core main body component is provided with a double-layer separation rubber sleeve component, and the inner surface wall of the double-layer separation rubber sleeve component is provided with a rubber sleeve inner pad component;

[0010] The double-layer separation rubber sleeve assembly comprises a rubber sleeve bottom plate, a bottom flexible pad is fixedly connected to the top of the rubber sleeve bottom plate, an inner rubber sleeve body is fixedly connected to the top of the bottom flexible pad, an outer rubber sleeve body is fixedly connected to the top of the rubber sleeve bottom plate, the outer rubber sleeve body and the inner rubber sleeve body are both made of silicone, the bottom flexible pad is made of polyurethane shockproof foam, and the rubber sleeve bottom plate is made of polyethylene propylene;

[0011] The rubber sleeve inner pad assembly includes an external sound-absorbing sponge, the inner surface wall of the external sound-absorbing sponge is fixedly connected with a shock-resistant silicone layer, the inner surface wall of the shock-resistant silicone layer is fixedly connected with an air cotton layer, the inner surface wall of the air cotton layer is fixedly connected with a nylon layer, the external sound-absorbing sponge is made of sound-absorbing nano sponge, the shock-resistant silicone layer is made of silicone rubber, the air cotton layer is made of fiber filter cotton, and the nylon layer is made of nylon cloth.

[0012] As a preferred solution of the utility model, the microphone core main body assembly includes a microphone head shell, and the outer surface wall of the microphone head shell is fixedly connected to an external dust cover.

[0013] As a preferred solution of the utility model, the inner surface wall of the microphone housing is fixedly connected to a PCB body, and the bottom of the PCB body is fixedly connected to a PET body.

[0014] As a preferred solution of the utility model, a grid conductive ring is fixedly connected to the inner surface wall of the microphone housing, and a diaphragm is fixedly connected to the inner surface wall of the microphone housing.

[0015] As a preferred solution of the utility model, the bottom of the microphone head shell is fixedly connected to the microphone core main body shell, and the inner surface wall of the microphone core main body shell is fixedly connected to the built-in electronic component.

[0016] As a preferred solution of the utility model, the top of the built-in electronic component is electrically connected to an electronic positive electrode, and the top of the built-in electronic component is electrically connected to an electronic negative electrode.

[0017] As a preferred solution of the utility model, the microphone core main body shell is arranged on the inner surface wall of the inner rubber sleeve main body, and the microphone core main body shell is plugged into the inner rubber sleeve main body.

[0018] As a preferred solution of the utility model, the nylon layer is arranged on the inner surface wall of the inner rubber sleeve body, and the nylon layer is fixedly connected to the inner rubber sleeve body.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. In the utility model, a double-layer separation rubber sleeve assembly is provided, so that the rubber pad for the microphone core is divided into two layers, an inner layer and an outer layer, and a bottom flexible pad is used as the bottom pad of the inner rubber sleeve body, so that the vibration generated by the microphone core in the rubber sleeve is not easily transmitted to the outside of the outer rubber sleeve body, thereby reducing the influence of the vibration on the work of the microphone core.

[0021] 2. In the present invention, by providing a rubber sleeve inner pad component and utilizing an external sound-absorbing sponge made of sound-absorbing nano-sponge material, the sound transmitted by the microphone core is isolated and absorbed, thereby improving the sound quality of the microphone and avoiding the occurrence of noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the double-layer separation rubber sleeve assembly of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the rubber sleeve inner pad assembly of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the main component of the microphone core of the utility model.

[0026] In the figure: 1. Double-layer separation rubber sleeve assembly; 101. Outer rubber sleeve body; 102. Inner rubber sleeve body; 103. Bottom flexible pad; 104. Rubber sleeve bottom plate; 2. Rubber sleeve inner pad assembly; 201. External sound-absorbing sponge; 202. Shock-resistant silicone layer; 203. Air cotton layer; 204. Nylon layer; 3. Microphone core body assembly; 301. External dust cover; 302. Microphone head shell; 303. PCB body; 304. PET body; 305. Gate conductive ring; 306. Built-in electronic components; 307. Electronic positive electrode; 308. Electronic negative electrode; 309. Diaphragm; 310. Microphone core body shell. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0028] For examples, see Figure 1-4 , the utility model provides a technical solution:

[0029] A microphone core comprises a microphone core main body component 3, an outer surface wall of the microphone core main body component 3 is provided with a double-layer separation rubber sleeve component 1, and an inner surface wall of the double-layer separation rubber sleeve component 1 is provided with a rubber sleeve inner pad component 2.

[0030] In this embodiment, refer to Figure 1 and Figure 2 As shown, the double-layer separation rubber sleeve assembly 1 includes a rubber sleeve bottom plate 104, a bottom flexible pad 103 is fixedly connected to the top of the rubber sleeve bottom plate 104, an inner rubber sleeve body 102 is fixedly connected to the top of the bottom flexible pad 103, an outer rubber sleeve body 101 is fixedly connected to the top of the rubber sleeve bottom plate 104, the outer rubber sleeve body 101 and the inner rubber sleeve body 102 are both made of silicone, the bottom flexible pad 103 is made of polyurethane shockproof foam, and the rubber sleeve bottom plate 104 is made of polyethylene propylene;

[0031] Among them, by providing a double-layer separation rubber sleeve assembly 1, the inner and outer double layers are isolated from vibration, thereby reducing the impact on the operation of the microphone core.

[0032] In this embodiment, refer to Figure 1 and Figure 3 As shown, the rubber sleeve inner pad component 2 includes an external sound-absorbing sponge 201, the inner surface wall of the external sound-absorbing sponge 201 is fixedly connected with a shock-resistant silicone layer 202, the inner surface wall of the shock-resistant silicone layer 202 is fixedly connected with an air cotton layer 203, the inner surface wall of the air cotton layer 203 is fixedly connected with a nylon layer 204, the material of the external sound-absorbing sponge 201 is sound-absorbing nano sponge, the material of the shock-resistant silicone layer 202 is silicone rubber, the material of the air cotton layer 203 is fiber filter cotton, and the material of the nylon layer 204 is nylon cloth;

[0033] Among them, by providing the rubber sleeve inner pad component 2 and utilizing the external sound-absorbing sponge 201 to absorb noise, it is avoided that the noise affects the sound quality of the microphone.

[0034] In this embodiment, refer to Figure 1 and Figure 4As shown, the microphone core main body component 3 includes a microphone shell 302, the outer surface wall of the microphone shell 302 is fixedly connected with an external dust cover 301, the inner surface wall of the microphone shell 302 is fixedly connected with a PCB body 303, the bottom of the PCB body 303 is fixedly connected with a PET body 304, the inner surface wall of the microphone shell 302 is fixedly connected with a gate conductive ring 305, the inner surface wall of the microphone shell 302 is fixedly connected with a diaphragm 309, the bottom of the microphone shell 302 is fixedly connected with a microphone core main body shell 310, and the microphone The inner surface wall of the core main body shell 310 is fixedly connected with the built-in electronic component 306, the top of the built-in electronic component 306 is electrically connected with the electronic positive electrode 307, the top of the built-in electronic component 306 is electrically connected with the electronic negative electrode 308, the microphone core main body shell 310 is arranged on the inner surface wall of the inner rubber sleeve body 102, the microphone core main body shell 310 is plugged with the inner rubber sleeve body 102, the nylon layer 204 is arranged on the inner surface wall of the inner rubber sleeve body 102, and the nylon layer 204 is fixedly connected with the inner rubber sleeve body 102;

[0035] Among them, through rigorous structural design, the fixation between the microphone core and the rubber sleeve is more stable. At the same time, the design of nylon cloth can effectively isolate the howling caused by tiny currents.

[0036] Working process of the utility model: when the microphone core rubber sleeve designed by the present scheme is in operation, firstly, the microphone core main body shell 310 needs to be inserted into the inner rubber sleeve main body 102, and the vibration generated by the microphone core itself and the vibration affected by the outside world will only be transmitted between the outer rubber sleeve main body 101 or the inner rubber sleeve main body 102, and will only slightly affect each other, thereby reducing the influence of the vibration on the operation of the microphone core. At the same time, the noise generated by the vibration of the microphone core itself or the operation will be transmitted to the external sound-absorbing sponge 201 through the air cotton layer 203, and will be isolated and absorbed by the external sound-absorbing sponge 201, thereby reducing the noise when the microphone is working.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A microphone core, comprising a microphone core main body component (3), characterized in that: The outer surface wall of the microphone core main body component (3) is provided with a double-layer separation rubber sleeve component (1), and the inner surface wall of the double-layer separation rubber sleeve component (1) is provided with a rubber sleeve inner pad component (2); The double-layer separation rubber sleeve assembly (1) comprises a rubber sleeve bottom plate (104), the top of the rubber sleeve bottom plate (104) is fixedly connected to a bottom flexible pad (103), the top of the bottom flexible pad (103) is fixedly connected to an inner rubber sleeve body (102), the top of the rubber sleeve bottom plate (104) is fixedly connected to an outer rubber sleeve body (101), the outer rubber sleeve body (101) and the inner rubber sleeve body (102) are both made of silica gel, the bottom flexible pad (103) is made of polyurethane shock-proof foam, and the rubber sleeve bottom plate (104) is made of polyethylene propylene; The rubber sleeve inner pad component (2) comprises an external sound-absorbing sponge (201); the inner surface wall of the external sound-absorbing sponge (201) is fixedly connected to a shock-resistant silicone layer (202); the inner surface wall of the shock-resistant silicone layer (202) is fixedly connected to an air cotton layer (203); the inner surface wall of the air cotton layer (203) is fixedly connected to a nylon layer (204); the material of the external sound-absorbing sponge (201) is sound-absorbing nano sponge, the material of the shock-resistant silicone layer (202) is silicone rubber, the material of the air cotton layer (203) is fiber filter cotton, and the material of the nylon layer (204) is nylon cloth.

2. A microphone core according to claim 1, characterized in that: The microphone core main body component (3) comprises a microphone housing (302), and an external dust cover (301) is fixedly connected to the outer wall of the microphone housing (302).

3. A microphone core according to claim 2, characterized in that: The inner surface wall of the microphone housing (302) is fixedly connected to a PCB body (303), and the bottom of the PCB body (303) is fixedly connected to a PET body (304).

4. A microphone core according to claim 3, characterized in that: A grid conductive ring (305) is fixedly connected to the inner surface wall of the microphone housing (302), and a diaphragm (309) is fixedly connected to the inner surface wall of the microphone housing (302).

5. A microphone core according to claim 4, characterized in that: The bottom of the microphone head housing (302) is fixedly connected to a microphone core main body housing (310), and the inner surface wall of the microphone core main body housing (310) is fixedly connected to a built-in electronic component (306).

6. A microphone core according to claim 5, characterized in that: The top of the built-in electronic component (306) is electrically connected to an electronic positive electrode (307), and the top of the built-in electronic component (306) is electrically connected to an electronic negative electrode (308).

7. A microphone core according to claim 5, characterized in that: The microphone core main body shell (310) is arranged on the inner surface wall of the inner layer rubber sleeve main body (102), and the microphone core main body shell (310) is plugged into the inner layer rubber sleeve main body (102).

8. The microphone core according to claim 1, characterized in that: The nylon layer (204) is arranged on the inner surface wall of the inner rubber sleeve body (102), and the nylon layer (204) is fixedly connected to the inner rubber sleeve body (102).

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