阅读说明：本技术 具有抗噪声和防水特性的新型动圈式送话器 (Moving-coil microphone with noise-proof and water-proof characteristics ) 是由 金卫国 董卫童 于 2021-08-05 设计创作，主要内容包括：具有抗噪声和防水特性的新型动圈式送话器,涉及电声技术领域,包括后盖,所述后盖的底部固定设置有磁体,所述后盖的底部设置有后防水膜,所述后防水膜的底部固定连接有后阻尼板,所述后阻尼板的下方设置有线路板,所述后阻尼板的底部固定连接有调音纸、布,所述调音纸、布的下方设置有前阻尼板,所述前阻尼板的底部设置有前防水膜。本送话器具有较好的防尘防水特性IP67,用于水下信号传输质量高,性能较好。抗腐蚀,适应要求苛刻或恶劣的环境工作。与现有技术相比,该送话器具有防水和抗噪声能力,应用范围更广,在水下或潮湿及环境恶劣的情况下,仍能保持一定的性能,提高产品的使用寿命。(Novel moving coil microphone with antinoise and waterproof characteristic relates to the electroacoustic technology field, including the back lid, the fixed magnet that is provided with in bottom of back lid, the bottom of back lid is provided with the back water proof membrane, the damping plate behind the bottom fixedly connected with of back water proof membrane, the below of back damping plate is provided with the circuit board, the bottom fixedly connected with tuning paper, the cloth of back damping plate, the below of tuning paper, cloth is provided with preceding damping plate, the bottom of preceding damping plate is provided with preceding water proof membrane. The microphone has better dustproof and waterproof characteristics IP67, and is used for high underwater signal transmission quality and better performance. Corrosion resistance and adaptability to work in harsh or severe environments. Compared with the prior art, the microphone has waterproof and anti-noise capabilities, is wider in application range, can still maintain certain performance under the conditions of underwater or humidity and severe environment, and prolongs the service life of products.)

1. Novel moving-coil microphone with anti-noise and waterproof characteristics, including back lid (1), its characterized in that: the magnetic diaphragm is characterized in that a magnet (2) is fixedly arranged at the bottom of the rear cover (1), a rear waterproof membrane (3) is arranged at the bottom of the rear cover (1), a rear damping plate (4) is fixedly connected to the bottom of the rear waterproof membrane (3), a circuit board (5) is arranged below the rear damping plate (4), tuning paper and cloth (6) are fixedly connected to the bottom of the rear damping plate (4), a front damping plate (7) is arranged below the tuning paper and the cloth (6), a front waterproof membrane (8) is arranged at the bottom of the front damping plate (7), a front cover (9) is not clamped on the front damping plate (7), a U-shaped iron (10) is arranged between the rear cover (1) and the front cover (9), magnetic steel (11) is arranged below the U-shaped iron (10), a polar plate (12) is arranged at the bottom of the magnetic steel (11), voice coil assemblies (13) are in threaded connection with the left end and the right end of the polar plate (12), the left side fixedly connected with binding post (14) of magnet (2), the inside threaded connection of binding post (14) has solidus screw (15).

2. The novel moving coil microphone with anti-noise and waterproof characteristics as claimed in claim 1, characterized in that: the front cover (9) and the rear cover (1) are sound wave input surfaces, and the specification and the size of the front cover and the size of the rear cover are completely the same.

3. The novel moving coil microphone with anti-noise and waterproof characteristics as claimed in claim 1, characterized in that: and sound holes are formed in the surfaces of the rear damping plate (4) and the front damping plate (7).

4. The novel moving coil microphone with anti-noise and waterproof characteristics as claimed in claim 1, characterized in that: and the volume paper and the cloth (6) are provided with two groups and have the same specification and size, and are respectively matched and attached with the front damping plate (7) and the rear damping plate (4) in size.

5. The novel moving coil microphone with anti-noise and waterproof characteristics as claimed in claim 1, characterized in that: magnet (2), U iron (10) and magnet steel (11) constitute the magnetic circuit part, and voice coil loudspeaker voice coil vibrating diaphragm subassembly (13) are installed inside the magnetic circuit part, are provided with the lead wire, and the lead wire passes through the PCB board and is connected with binding post (14) electricity, and the PCB board is the trompil structure of special design.

Technical Field

The invention relates to the technical field of electroacoustic, in particular to a novel moving-coil microphone with anti-noise and waterproof characteristics.

Background

The principle of a common moving-coil microphone in the prior art is as follows:

the sound wave causes the vibration of the vibrating diaphragm and the voice coil, the coil cuts magnetic force lines, electromotive force is generated, and an electric signal is output.

However, the prior art has the following problems:

the common moving-coil microphone has no waterproof and anti-noise capabilities, and the application range is limited. Especially under water or under humid and harsh conditions, performance can be affected, and product life can be shortened or even damaged.

For the above reasons, the inventors have proposed a novel moving-coil microphone having noise-resistant and waterproof properties, which has the advantages of noise-resistant and waterproof properties.

Disclosure of Invention

In order to achieve the purposes of the anti-noise characteristic and the waterproof characteristic, the invention provides the following technical scheme: the novel moving-coil microphone with anti-noise and waterproof characteristics comprises a rear cover, wherein a magnet is fixedly arranged at the bottom of the rear cover, the bottom of the rear cover is provided with a rear waterproof membrane, the bottom of the rear waterproof membrane is fixedly connected with a rear damping plate, a circuit board is arranged below the rear damping plate, the bottom of the rear damping plate is fixedly connected with tone tuning paper and cloth, a front damping plate is arranged below the tone tuning paper and the cloth, a front waterproof membrane is arranged at the bottom of the front damping plate, the front damping plate is not clamped with a front cover, a U-shaped iron is arranged between the rear cover and the front cover, magnetic steel is arranged below the U-shaped iron, the bottom of the magnetic steel is provided with a polar plate, the left end and the right end of the polar plate are both in threaded connection with a voice coil vibrating diaphragm component, the left side fixedly connected with binding post of magnet, binding post's inside threaded connection has the solidus screw.

Preferably, the front cover and the rear cover are sound wave input surfaces, and the specification and the size of the front cover and the specification and the size of the rear cover are completely the same.

Preferably, the surfaces of the rear damping plate and the front damping plate are both provided with sound holes.

Preferably, the volume paper and the cloth are provided with two groups of paper and cloth, have the same specification and size, and are matched and attached to the front damping plate and the rear damping plate respectively in size.

Preferably, the magnet, the U-shaped iron and the magnetic steel form a magnetic circuit part, the voice coil diaphragm assembly is installed inside the magnetic circuit part and provided with a lead, the lead is electrically connected with the wiring terminal through a PCB, and the PCB is a specially designed open pore structure and provides a sound wave input path.

Compared with the prior art and products, the invention has the beneficial effects that:

1. the microphone has better dustproof and waterproof characteristics IP67, and is used for high underwater signal transmission quality and better performance. Corrosion resistance and adaptability to work in harsh or severe environments.

2. Compared with the prior art, the microphone has waterproof and anti-noise capabilities, is wider in application range, can still maintain certain performance under the conditions of underwater or humidity and severe environment, and prolongs the service life of products.

3. Back lid and protecgulum can separate inner structure and external world, avoids inner structure to receive external influence, can play certain guard action to inner structure simultaneously, provides location and protection for inner structure's installation, can possess certain protection effect in addition.

4. The back water proof membrane and preceding water proof membrane mainly play waterproof, water proof effect, guarantee that external moisture can not get into the device inside, improve the waterproof performance of microphone, compare with prior art and possess better waterproof characteristic.

5. The sound mixing paper and cloth are mainly used for adjusting the frequency response of audio output, and compared with the prior art, the microphone has more excellent performance.

6. The magnetic circuit part is a specially designed part and mainly enables the microphone to have good anti-noise property.

7. Magnet, U iron and magnet steel constitute the magnetic circuit part, and voice coil loudspeaker voice coil vibrating diaphragm subassembly is installed inside the magnetic circuit part, is provided with the lead wire, and the lead wire passes through the PCB board to be connected with binding post electricity, and the PCB board is the trompil structure of special design, provides sound wave input access, guarantees the stability and the accuracy of sound wave input and decides, further improves this microphone's wholeness ability.

Drawings

FIG. 1 is a sectional view of the structures of the present invention;

FIG. 2 is a first schematic view of a connection structure according to the present invention;

FIG. 3 is a second connection diagram of the present invention.

In the figure: 1. a rear cover; 2. a magnet; 3. a rear waterproof membrane; 4. a rear damping plate; 5. a circuit board; 6. tone tuning paper, cloth; 7. a front damping plate; 8. a front water-resistant membrane; 9. a front cover; 10. iron U; 11. magnetic steel; 12. a polar plate; 13. a voice coil diaphragm assembly; 14. a wiring terminal; 15. and (5) a wire fixing screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

Please refer to fig. 1-3:

the novel moving coil microphone with the anti-noise and waterproof characteristics comprises a rear cover 1, a magnet 2 is fixedly arranged at the bottom of the rear cover 1, a rear waterproof membrane 3 is arranged at the bottom of the rear cover 1, a rear damping plate 4 is fixedly connected at the bottom of the rear waterproof membrane 3, a circuit board 5 is arranged below the rear damping plate 4, tuning paper, cloth 6 and tuning paper are fixedly connected at the bottom of the rear damping plate 4, cloth 6's below is provided with preceding damping plate 7, the bottom of preceding damping plate 7 is provided with preceding water proof membrane 8, preceding damping plate 7 all do not have the joint to have a protecgulum 9, be provided with U indisputable 10 between back lid 1 and the protecgulum 9, the below of U indisputable 10 is provided with magnet steel 11, magnet steel 11's bottom is provided with polar plate 12, equal threaded connection in both ends has voice coil loudspeaker voice coil vibrating diaphragm subassembly 13 about polar plate 12, magnet 2's left side fixedly connected with binding post 14, binding post 14's internal thread connection has solidus screw 15.

Wherein:

back lid 1 and protecgulum 9 can separate inner structure and external world, avoids inner structure to receive external influence, can play certain guard action to inner structure simultaneously, provides location and protection for inner structure's installation, can possess certain protection effect in addition.

The back water proof membrane 3 and the preceding water proof membrane 8 mainly play waterproof, water proof effect, guarantee inside external moisture can not the access to equipment, improve the waterproof performance of microphone, compare with prior art and possess better waterproof characteristic.

The sound mixing paper and the cloth 6 are mainly used for adjusting the frequency response of audio output, and the microphone has more excellent performance compared with the prior art.

The magnet 2, the U-shaped iron 10 and the magnetic steel 11 form a magnetic circuit part which is a specially designed part and mainly enables the microphone to have good anti-noise property.

Magnet 2, U iron 10 and magnet steel 11 constitute the magnetic circuit part, and voice coil loudspeaker voice coil vibrating diaphragm subassembly 13 is installed inside the magnetic circuit part, is provided with the lead wire, and the lead wire passes through the PCB board to be connected with binding post 14 electricity, and the PCB board is the trompil structure of special design, provides sound wave input path, guarantees the stability and the accuracy of sound wave input, further improves this transmitter's wholeness ability.

Wherein:

a. the front cover 9 and the rear cover 1 are sound wave input surfaces, and the specification and the size of the front cover and the size of the rear cover are completely the same. The size of the same specification can effectively improve the uniformity and standardization of the microphone component, so that products can be conveniently promoted to market, and when the microphone component needs to be maintained and replaced at the later stage, the universal type among the parts is higher, and the utilization rate of the parts is correspondingly improved.

b. The surfaces of the rear damping plate 4 and the front damping plate 7 are provided with sound holes. The sound hole is arranged, so that a channel can be provided for sound transmission, sound attenuation is reduced, sound transmission efficiency is improved, sound transmission is more concentrated, and noise is reduced to a certain extent.

Wherein:

c. the volume paper and the cloth 6 are provided with two groups and have the same specification and size, and are respectively matched and attached with the front damping plate 7 and the rear damping plate 4 in size.

d. Magnet 2, U indisputable 10 and magnet steel 11 constitute the magnetic circuit part, and voice coil loudspeaker voice coil vibrating diaphragm subassembly 13 is installed inside the magnetic circuit part, is provided with the lead wire, and the lead wire passes through the PCB board to be connected with binding post 14 electricity, and the PCB board provides the sound wave input path for the trompil structure of special design.

When in use, the working principle and the process of the microphone are as follows:

the working principle is as follows:

the microphone is provided with two sound wave input surfaces, namely a front cover 9 and a rear cover 1, the sound waves have the same size, noise does not have directivity, the noise sound waves input from the front side and the back side are offset due to the equality, the sound waves needing to be transmitted only face to the front side, output signals cannot be attenuated, the signal to noise ratio is better, different waterproof films are respectively attached to the front cover 9 and the rear cover 1, the sound waves cause the waterproof films to vibrate to drive a vibrating diaphragm to vibrate, and a coil cuts magnetic lines of force to generate electric signal output.

The working process is as follows:

1. the microphone has two sound wave input surfaces, namely a front cover 9 and a rear cover 1, the sizes of the sound wave input surfaces are completely the same, the sound waves to be transmitted only face to the front side, output signals cannot be attenuated, and the microphone has larger signal output and better signal-to-noise ratio.

2. The front cover 9 and the rear cover 1 are respectively pasted with waterproof films, sound waves cause the waterproof films to vibrate to drive the vibrating films to vibrate, the coils cut magnetic lines of force to generate electric signals to be output, and water cannot enter a product.

3. Because the inside of the product is a completely sealed whole, the performance of the product can be adversely affected due to the change of temperature or air pressure, and the material specially used for water resistance and air permeability is used, so that the performance of the product is not affected.

4. Back lid 1 and protecgulum 9 can separate inner structure and external world, avoids inner structure to receive external influence, can play certain guard action to inner structure simultaneously, provides location and protection for inner structure's installation, can possess certain protection effect in addition.

5. The back water proof membrane 3 and the preceding water proof membrane 8 mainly play waterproof, water proof effect, guarantee inside external moisture can not the access to equipment, improve the waterproof performance of microphone, compare with prior art and possess better waterproof characteristic.

6. The sound mixing paper and the cloth 6 are mainly used for adjusting the frequency response of audio output, and the microphone has more excellent performance compared with the prior art.

7. The magnet 2, the U-shaped iron 10 and the magnetic steel 11 form a magnetic circuit part which is a specially designed part and mainly enables the microphone to have good anti-noise property.

8. Magnet 2, U iron 10 and magnet steel 11 constitute the magnetic circuit part, and voice coil loudspeaker voice coil vibrating diaphragm subassembly 13 is installed inside the magnetic circuit part, is provided with the lead wire, and the lead wire passes through the PCB board to be connected with binding post 14 electricity, and the PCB board is the trompil structure of special design, provides sound wave input path, guarantees the stability and the accuracy of sound wave input, further improves this transmitter's wholeness ability.

The structure and process are described with reference to FIGS. 1-3.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.