阅读说明：本技术 一种麦克风静电防护结构及电子设备 (Microphone electrostatic protection structure and electronic equipment ) 是由 韩立吉 于 2019-10-29 设计创作，主要内容包括：本发明公开了一种麦克风静电防护结构及电子设备,涉及静电防护领域,本发明主要是在密封件上设置导电层,导电层与电路板上的接地端电连接以疏导静电。可见,静电被导电层直接疏导至电路板的接地端,实现对麦克风的静电防护。相比现有技术,本发明无需使用铜箔等导电材料,节省了材料费用,简化制作工艺,降低了产品成本。故,本发明的麦克风静电防护结构,可对麦克风进行静电防护,还具有制作简单,成本低,易实现的优点；从而使设有该静电防护结构的电子设备,具有良好的性能。(The invention discloses a microphone electrostatic protection structure and electronic equipment, and relates to the field of electrostatic protection. Therefore, static electricity is directly conducted to the grounding end of the circuit board by the conducting layer, and static electricity protection of the microphone is achieved. Compared with the prior art, the invention does not need to use conductive materials such as copper foil and the like, saves the material cost, simplifies the manufacturing process and reduces the product cost. Therefore, the electrostatic protection structure of the microphone can carry out electrostatic protection on the microphone, and has the advantages of simple manufacture, low cost and easy realization; therefore, the electronic equipment with the electrostatic protection structure has good performance.)

1. A microphone electrostatic protection structure comprises a circuit board for fixing a microphone, wherein a grounding end is arranged on the circuit board, a sealing element for sealing and insulating is wrapped on the outer side of the microphone, and a channel penetrating through a microphone sound hole and the outer side is arranged on the sealing element; the sealing element is characterized in that a conducting layer is arranged on the sealing element and is electrically connected with the grounding end to conduct static electricity.

2. The microphone electrostatic protection structure according to claim 1, wherein the conductive layer is provided on the inner wall of the channel.

3. The microphone electrostatic protection structure according to claim 1, wherein the conductive layer is disposed on the outer wall of the sealing member and the inner wall of the channel, and the conductive layer on the inner wall of the channel is connected and conducted with the conductive layer on the outer wall of the sealing member.

4. The microphone electrostatic protection structure according to claim 1, wherein the conductive layer is provided at an end of the sealing member facing away from the microphone and penetrates through an inside of the sealing member.

5. The microphone electrostatic protection structure according to claim 1, wherein the conductive layer has a thickness of 0.1-100 μm.

6. The electrostatic protection structure for microphone according to any one of claims 1 to 5,

the conducting layer consists of a single plating layer or a plurality of plating layers; or the like, or, alternatively,

the conductive layer is made of a conductive metal simple substance.

7. The microphone electrostatic protection structure according to claim 6,

the plating layer is a nickel composite plating layer, an iron-based plating layer, a copper-based plating layer and/or a nickel-based plating layer;

the metal simple substance is copper plating, aluminum or steel.

8. The microphone electrostatic protection structure according to any one of claims 1 to 5, wherein the conductive layer comprises an electromagnetic shielding layer.

9. An electronic device, comprising a device body and a microphone, wherein the microphone adopts the microphone electrostatic protection structure as claimed in any one of claims 1 to 8.

Technical Field

The invention relates to the technical field of electrostatic protection, in particular to a microphone electrostatic protection structure and electronic equipment.

Background

Electronic equipment is when using the microphone, generally can adopt silica gel class soft construction spare to wrap up the microphone, only leave microphone sound hole position and outside air and carry out the convection current, realize that sound only passes to the microphone along a direction of silica gel spare sound hole, the sound of other directions is kept apart, thereby realize the sealed effect of silica gel spare to other directions except the sound hole of microphone, because the silica gel spare has insulating nature, when external static is higher, inside microphone body can be directly led to along microphone silica gel spare sound hole to the static electric arc, destroy inside vibrating diaphragm of microphone and ASIC chip, lead to microphone performance failure.

At present, a layer of conductive material, such as copper foil, aluminum foil and the like, is adhered to a microphone body, the conductive material is connected with a grounding end in a circuit, when static electricity is conducted to the microphone along the direction of a sound hole of a silica gel piece, the static electricity is conducted to the grounding end of the circuit by the conductive material and cannot enter the microphone body, and the purpose of protecting the microphone body is achieved.

Disclosure of Invention

Aiming at the defects, the technical problems to be solved by the invention are as follows: the static electricity is conducted to the grounding end by utilizing the conducting layer or the sealing element with conductivity, so that the microphone is effectively protected from static electricity, and the static electricity protection structure is simple to manufacture, low in cost and easy to realize, so that the electronic equipment with the static electricity protection structure has good performance.

In order to solve the technical problems, the technical scheme of the invention is as follows:

a microphone electrostatic protection structure comprises a circuit board for fixing a microphone, wherein a grounding end is arranged on the circuit board, a sealing element for sealing and insulating is wrapped on the outer side of the microphone, and a channel penetrating through a microphone sound hole and the outer side is arranged on the sealing element; the sealing element is characterized in that a conducting layer is arranged on the sealing element and is electrically connected with the grounding end to conduct static electricity.

Preferably, the conductive layer is provided on the inner wall of the channel.

Preferably, the conductive layer is arranged on the outer wall of the sealing element and the inner wall of the channel, and the conductive layer on the inner wall of the channel is connected and conducted with the conductive layer on the outer wall of the sealing element.

Preferably, the conductive layer is disposed at an end of the sealing member facing away from the microphone and penetrates the inside.

Preferably, the thickness of the conductive layer is 0.1-100 μm.

Preferably, the conductive layer is composed of a single plating layer or a plurality of plating layers; or the conducting layer is made of a conducting metal simple substance.

Preferably, the plating layer is a nickel composite plating layer, an iron-based plating layer, a copper-based plating layer and/or a nickel-based plating layer; the metal simple substance is copper plating, aluminum or steel.

Preferably, the conductive layer includes an electromagnetic shielding layer.

An electronic device comprises a device body and a microphone, wherein the microphone adopts the microphone electrostatic protection structure.

After the technical scheme is adopted, the invention has the beneficial effects that:

because of the microphone electrostatic protection structure and the electronic equipment, the invention mainly arranges the conducting layer on the sealing element, and the conducting layer is electrically connected with the grounding end on the circuit board to conduct static electricity. Therefore, static electricity is directly conducted to the grounding end of the circuit board by the conducting layer, and static electricity protection of the microphone is achieved. Compared with the prior art, the invention does not need to use conductive materials such as copper foil and the like, saves the material cost, simplifies the manufacturing process and reduces the product cost. Therefore, the microphone electrostatic protection structure of the invention can effectively protect the microphone from electrostatic, and has the advantages of simple manufacture, low cost and easy realization; therefore, the electronic equipment with the electrostatic protection structure has good performance.

The conducting layer is arranged on the inner wall of the channel; the requirement of insulating the side wall of the sealing element is met, and meanwhile, the static protection of the microphone is realized.

The conducting layer is arranged on the outer wall of the sealing element and the inner wall of the channel; static electricity can be conducted to the grounding end by the conducting layer at any position, and static protection of the microphone is achieved.

The conductive layer is arranged at the end part of the sealing element, which is far away from the microphone, and penetrates through the inner part; the requirement for insulation of the side wall of the sealing element and the side wall of the channel is met, and meanwhile, the static protection of the microphone is achieved.

Since the conductive layer includes the electromagnetic shielding layer; the invention has the function of electromagnetic shielding.

Drawings

FIG. 1 is a schematic diagram of a conductive layer disposed on an inner wall of a channel of a sealing member according to the present invention;

FIG. 2 is a schematic diagram of the structure of the sealing member of the present invention in which the inner and outer walls of the channel are provided with conductive layers;

FIG. 3 is a schematic view of the structure of the end portion and the inside of the sealing member provided with the conductive layer according to the present invention;

in the figure: 1-sealing element, 2-microphone, 3-circuit board, 4-grounding terminal, 5-conducting layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.