CN215010701U - Lower magnetic conduction plate for miniature loudspeaker - Google Patents

Abstract

The utility model discloses a lower magnetic conductive plate for a miniature loudspeaker, which comprises a lower magnetic conductive plate body, wherein the lower magnetic conductive plate body consists of a base layer, a sponge cushion, a noise reduction layer, an adsorption layer, a heat insulation flame-retardant layer, a waterproof layer and a drying layer, the sponge cushion is arranged on the base layer, the noise reduction layer is arranged on the sponge cushion, the adsorption layer is arranged on the noise reduction layer, the lower magnetic conductive plate for the miniature loudspeaker of the utility model, the vibration of the lower magnetic conduction plate body is buffered by the elastic deformation of the buffer spring and the arrangement of the buffer pad, so that noise caused by the collision between the lower magnetic conduction plate body and the voice coil in the use process is avoided, and then influence the tone quality of speaker, cause people to experience and feel not good, the combined action through waterproof layer and dry layer adsorbs the moisture at magnetic conduction board body top down, avoids because there is moisture to lead to down the magnetic conduction board body bad loudspeaker tone quality impaired that causes.

Description

Lower magnetic conduction plate for miniature loudspeaker

Technical Field

The utility model relates to a speaker field specifically is a lower magnetic conduction board that miniature speaker used.

Background

The magnetic conduction plate structure in the prior art is generally simpler, the shape is regular, four sides are straight sides, the magnetic conduction effect of a magnetic field can only be achieved, the requirements on electroacoustic devices in the market are developed towards the direction of high power and large volume, the driving power is higher, the vibration stability of a diaphragm is inevitably influenced, the rolling vibration is aggravated, a voice coil is easily rubbed and touched on the magnetic conduction plate, and therefore noise is generated, and the voice quality of a loudspeaker is damaged due to the fact that the humidity of the magnetic conduction plate body causes the defect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lower magnetic conduction board that miniature speaker was used to solve the voice coil loudspeaker voice coil that proposes in the above-mentioned background art and wipe and bump the magnetic conduction board and then produce noise and magnetic conduction board because there is moisture to lead to down the magnetic conduction board body bad impaired problem of speaker tone quality that causes appears.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lower magnetic conduction board that miniature speaker was used, includes magnetic conduction board body down, magnetic conduction board body is by basic unit, foam-rubber cushion, fall the layer of making an uproar, adsorbed layer, thermal-insulated fire-retardant layer, waterproof layer and dry layer and constitute down, be provided with the foam-rubber cushion on the basic unit, the foam-rubber cushion is rested up and is provided with the layer of making an uproar, it is provided with the adsorbed layer on the layer of making an uproar to fall, be provided with thermal-insulated fire-retardant layer on the adsorbed layer, be provided with the waterproof layer on the thermal-insulated fire-retardant layer, be provided with dry layer on the waterproof layer, a plurality of mounting groove, a plurality of are all seted up to the both sides of magnetic conduction board body down one side of mounting groove is all fixed and is provided with buffer.

As a preferred technical scheme of the utility model, a plurality of buffer comprises backing plate, a plurality of buffer spring, buffer board and cushion, one side fixedly connected with a plurality of buffer spring of backing plate, a plurality of buffer spring's one end all with one side fixed connection of buffer board, one side fixedly connected with blotter of buffer board.

As an optimal technical scheme of the utility model, a plurality of one side of blotter all is provided with glues the subsides.

As an optimized technical scheme of the utility model, the four corners of lower magnetic conduction plate body are all fixed and are provided with elasticity corner protection piece.

As an optimal technical scheme of the utility model, the layer of making an uproar is fallen is made by the polystyrene material, the adsorbed layer is made by active carbon adsorption material, thermal-insulated fire-retardant layer is made by silica aerogel, the waterproof layer is made by activated alumina, dry layer is made by pitch rubber class coating.

Compared with the prior art, the beneficial effects of the utility model are that: the device simple structure, high durability and convenient operation, the effect of buffering has been played the vibration of magnetic conductive plate body down to setting up of elastic deformation and cushion through buffer spring, avoid magnetic conductive plate body and voice coil loudspeaker voice coil collision to cause the noise under in the use, and then influence the tone quality of speaker, it is not good to cause people to experience to feel, the combined action through waterproof layer and drying layer adsorbs the moisture at magnetic conductive plate body top down, avoid because there is moisture to lead to down the magnetic conductive plate body the loudspeaker tone quality impaired that harmfully causes.

Drawings

Fig. 1 is a front sectional view of the present invention;

FIG. 2 is a structural diagram of the buffering device of the present invention;

fig. 3 is a perspective view of the present invention.

In the figure: 1. a lower magnetic conductive plate body; 2. a base layer; 3. a sponge cushion; 4. a noise reduction layer; 5. an adsorption layer; 6. A heat insulating flame retardant layer; 7. a waterproof layer; 8. drying the layer; 9. a buffer device; 10. a base plate; 11. a buffer spring; 12. a buffer plate; 13. a cushion pad; 14. gluing; 15. resilient corner protectors.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Please refer to fig. 1-3, the utility model provides a lower magnetic conductive plate for miniature speaker, including lower magnetic conductive plate body 1, lower magnetic conductive plate body 1 is by basic unit 2, the foam-rubber cushion 3, fall the layer of making an uproar 4, the adsorbed layer 5, thermal-insulated fire-retardant layer 6, waterproof layer 7 and dry layer 8 are constituteed, be provided with the foam-rubber cushion 3 on the basic unit 2, it falls the layer of making an uproar 4 to be provided with on the foam-rubber cushion 3, it is provided with adsorbed layer 5 on the layer of making an uproar 4 to fall, be provided with thermal-insulated fire-retardant layer 6 on the adsorbed layer 5, be provided with waterproof layer 7 on the thermal-insulated fire-retardant layer 6, be provided with dry layer 8 on the waterproof layer 7, a plurality of mounting groove has all been seted up to lower magnetic conductive plate body 1's both sides, one side of a plurality of mounting groove is all fixed and is provided with buffer 9.

Preferably, a plurality of buffer 9 is by backing plate 10, a plurality of buffer spring 11, buffer board 12 and cushion 13 are constituteed, a plurality of buffer spring 11 of one side fixedly connected with of backing plate 10, a plurality of buffer spring 11's one end all with one side fixed connection of buffer board 12, one side fixedly connected with blotter 13 of buffer board 12, elastic deformation and the setting of buffer pad 13 through buffer spring 11 come to play the effect of buffering to magnetic conductive plate body 1 down, avoid magnetic conductive plate body 1 and voice coil loudspeaker voice coil collision to cause the noise under the use, and then influence the tone quality of speaker, it is not good to cause people to experience the sense.

Preferably, one side of each of the plurality of cushion pads 13 is provided with a sticker 14, and the stickers 14 are arranged to facilitate fixing one side of the buffer device 9 on the inner wall of the speaker.

Preferably, the four corners of lower magnetic conduction plate body 1 are all fixedly provided with elasticity corner protection piece 15, and elasticity corner protection piece 15 can play the guard action to lower magnetic conduction plate body 1, avoids leading to lower magnetic conduction plate body 1 to suffer the damage because of the collision.

Preferably, it makes by the polystyrene material to fall the layer 4 of making an uproar, adsorbed layer 5 is made by active carbon adsorption material, thermal-insulated fire-retardant layer 6 is made by silica aerogel, waterproof layer 7 is made by activated alumina, dry layer 8 is made by pitch rubber class coating, polystyrene material environmental protection performance is good, it is good on the sound insulation effect, can noise absorption, the remaining peculiar smell after the activated carbon adsorption material can adsorb long-term the use, silica aerogel has intensity height, the characteristics that fire resistance is good and wearability are good, can effectively promote down the fire-retardant and wearability of magnetic conduction board body 1, activated alumina can absorb the moisture at magnetic conduction board body 1 top down, pitch rubber class coating has good cohesiveness, plasticity, the corrosion resistance and water resistance.

When in specific use, the lower magnetic conductive plate for the miniature loudspeaker of the utility model is used, when people use the lower magnetic conductive plate, one side of the adhesive sticker 14 is firstly pasted on the inner wall of the loudspeaker, in the use process, the larger the driving power is, the more the vibration stability of the diaphragm is inevitably influenced, the rolling vibration is aggravated, the vibration of the lower magnetic conduction plate body 1 is buffered by the elastic deformation of the buffer spring 11 and the arrangement of the buffer pad 13, so that noise caused by the collision of the lower magnetic conduction plate body 1 and the voice coil in the use process is avoided, and then influence the tone quality of speaker, cause people to experience and feel not good, the combined action through waterproof layer 7 and dry layer 8 adsorbs the moisture at 1 top of magnetic conductive plate body down, avoids leading to down magnetic conductive plate body 1 because there is moisture to appear harmfully causing speaker tone quality impaired, and adsorption layer 5 can adsorb the remaining peculiar smell after using for a long time.

Claims (5)

1. The utility model provides a lower magnetic conduction board that miniature speaker was used, includes lower magnetic conduction board body (1), its characterized in that: magnetic conduction plate body (1) comprises basic unit (2), foam-rubber cushion (3), the layer of making an uproar (4), adsorbed layer (5), thermal-insulated fire-retardant layer (6), waterproof layer (7) and dry layer (8) down, be provided with foam-rubber cushion (3) on basic unit (2), be provided with the layer of making an uproar (4) on foam-rubber cushion (3), it is provided with adsorbed layer (5) on layer (4) to make an uproar to fall, be provided with thermal-insulated fire-retardant layer (6) on adsorbed layer (5), be provided with waterproof layer (7) on thermal-insulated fire-retardant layer (6), be provided with dry layer (8) on waterproof layer (7), a plurality of mounting groove, a plurality of have all been seted up to the both sides of magnetic conduction plate body (1) down one side of mounting groove is all fixed and is provided with buffer (9).

2. The lower magnetic conductive plate for the micro-speaker according to claim 1, wherein: a plurality of buffer (9) comprises backing plate (10), a plurality of buffer spring (11), buffer board (12) and cushion (13), a plurality of buffer spring (11), a plurality of one side fixedly connected with of backing plate (10) the one end of buffer spring (11) all with one side fixed connection of buffer board (12), one side fixedly connected with blotter (13) of buffer board (12).

3. The lower magnetic conductive plate for the micro-speaker according to claim 2, wherein: one side of each cushion pad (13) is provided with a sticker (14).

4. The lower magnetic conductive plate for the micro-speaker according to claim 1, wherein: elastic corner protection pieces (15) are fixedly arranged on four corners of the lower magnetic conduction plate body (1).

5. The lower magnetic conductive plate for the micro-speaker according to claim 1, wherein: the noise reduction layer (4) is made of polystyrene materials, the adsorption layer (5) is made of activated carbon adsorption materials, the heat insulation flame-retardant layer (6) is made of silicon dioxide aerogel, the waterproof layer (7) is made of activated alumina, and the drying layer (8) is made of asphalt rubber coatings.

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