CN214708062U

CN214708062U - Ultrathin plane sounding driving body with ceramic chips

Info

Publication number: CN214708062U
Application number: CN202121080009.XU
Authority: CN
Inventors: 李耀领; 李晓东; 李栋
Original assignee: Defeng Tongsheng Beijing Technology Co ltd
Current assignee: Defeng Tongsheng Beijing Technology Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-11-12
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses an ultra-thin plane sound production driving body of ceramic chip, include: the piezoelectric ceramic plate, the tung wood sound-producing plate and the vibration filler are arranged on the base; the piezoelectric ceramic piece is bonded on the tung wood sound board through a binder, and the thicknesses of the piezoelectric ceramic piece, the tung wood sound board and the binder are respectively as follows according to percentage: 60-80% of piezoelectric ceramic piece, 30-10% of tung wood sound board and 10% of adhesive; the vibration filler is filled in the gap between the tung wood sound-emitting board and the fixed position. Through the technical scheme of the utility model, avoided humid environment, high temperature environment and electromagnetic interference to the influence of sound quality, and simple structure, ultra-thin material can make full use of audio amplifier inner space to promote sound quality by a wide margin, reduced the production and the construction cost of product.

Description

Ultrathin plane sounding driving body with ceramic chips

Technical Field

The utility model relates to a face sound source product technical field especially relates to an ultra-thin plane sound production driving body of ceramic chip.

Background

At present, with the continuous improvement of the requirement of people in China on the living standard, the acceleration of the intelligent process and the rapid development of the industry, particularly with the continuous improvement of the pursuit of music, the requirement on the aspect of electroacoustic is greatly improved, but the difficulty to be solved is brought by the thickness of a driver, a sound board and a sound box in the field of a surface sound source flat-panel sound box.

In the prior art, drivers of flat sound box driving bodies manufactured worldwide adopt a super magnetic driving principle, vibration points deviate in operation, and the problems of high-frequency distortion of sound, no low frequency, relatively high power consumption, easiness in getting damp and being corroded and the like exist.

The piezoelectric ceramic piece is a driving unit which does not need an electric coil as energy by utilizing a piezoelectric principle, and can prolong the service life of the flat-panel sound box to the maximum extent by utilizing the special material of the piezoelectric ceramic piece and the special properties of water resistance and corrosion resistance, and the special material can also better reduce power consumption and prevent electromagnetic interference.

SUMMERY OF THE UTILITY MODEL

In order to the problem, the utility model provides an ultra-thin plane sound production driving body of ceramic chip combines together through piezoceramics piece and tung wood abatvoix, utilizes piezoceramics piece's self characteristic, has avoided humid environment, high temperature environment and electromagnetic interference to the influence of sound quality, and simple structure, and ultra-thin material can make full use of audio amplifier inner space to promoted sound quality by a wide margin, reduced the production and the construction cost of product.

In order to achieve the above object, the utility model provides an ultra-thin plane sound production driving body of ceramic chip, include: the piezoelectric ceramic plate, the tung wood sound-producing plate and the vibration filler are arranged on the base; the piezoelectric ceramic piece is bonded on the tung wood sound board through a bonding material, and the thicknesses of the piezoelectric ceramic piece, the tung wood sound board and the bonding material are respectively as follows in percentage: the piezoelectric ceramic plate accounts for 60-80%, the tung wood sound board accounts for 30-10% and the binder accounts for 10%; the vibration filler is filled in a gap between the tung wood sound-emitting board and the fixed position.

In the above technical solution, preferably, the thicknesses of the piezoelectric ceramic plate, the tung wood soundboard and the binder are, in percentage: the piezoelectric ceramic plate accounts for 70%, the tung wood sound board accounts for 20% and the binder accounts for 10%.

In the above technical solution, preferably, the vibration filler is distributed in a gap between the tung wood sound board and the fixed position.

In the above technical solution, preferably, a gap between the tung wood soundboard and the fixed position is less than 1 mm.

In the above technical solution, preferably, the piezoelectric ceramic plate and the tung wood sound board are bonded by the adhesive, and then naturally dried to form an adhesive, and the adhesive is fixed to the vibration filler after decontamination treatment and line aging treatment.

In the above technical solution, preferably, the piezoelectric ceramic plate determines the optimal distribution position of the piezoelectric ceramic plate relative to the tung wood sound board according to the vibration point of the piezoelectric ceramic plate and the resonance of the tung wood sound board, and the piezoelectric ceramic plate is respectively bonded to the optimal distribution position on the tung wood sound board.

Compared with the prior art, the beneficial effects of the utility model are that: through the piezoceramics piece with tung wood soundboard combines together, utilize piezoceramics piece's self characteristic, avoided humid environment, high temperature environment and electromagnetic interference to the influence of sound quality, and simple structure, ultra-thin material can make full use of audio amplifier inner space to promoted sound quality by a wide margin, reduced the production and the construction cost of product.

Drawings

Fig. 1 is a schematic structural view of an ultrathin planar sounding driver body with ceramic chips according to an embodiment of the present invention.

In the drawings, the correspondence between each component and the reference numeral is:

11. the piezoelectric ceramic plate, 12 tung wood sound-emitting plates, 13 adhesive and 14 vibration filler.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions 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, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The invention is described in further detail below with reference to the accompanying drawings:

as shown in fig. 1, according to the utility model provides a ultrathin plane sound production driving body of ceramic chip, include: the piezoelectric ceramic plate comprises a piezoelectric ceramic plate 11, a tung wood sound-emitting plate 12 and a vibration filler 14; the piezoelectric ceramic plate 11 is bonded on the tung wood sound board 12 through the adhesive 13, and the thicknesses of the piezoelectric ceramic plate 11, the tung wood sound board 12 and the adhesive 13 are respectively as follows according to percentage: 60-80% of piezoelectric ceramic piece 11, 30-10% of tung wood sound board 12 and 10% of binder 13; the vibration filler 14 is filled in the gap between the tung wood sound-emitting board 12 and the fixed position.

In this embodiment, combine together through piezoceramics piece 11 and tung wood soundboard 12, utilize piezoceramics piece 11's self characteristic, avoided humid environment, high temperature environment and electromagnetic interference to the influence of sound quality, and simple structure, ultra-thin material can make full use of audio amplifier inner space to promote sound quality by a wide margin, reduced the production and the construction cost of product.

Specifically, piezoceramics piece 11 and tung wood soundboard 12 are as the major structure of pronunciation, piezoceramics piece 11 utilizes the piezoelectricity principle as the drive unit of energy, do not need electric coil, can make the sound that the dull and stereotyped audio amplifier of face sound source sent have the frequency range increase, the high frequency is more clear, the low frequency does not have the noise, can make the box of dull and stereotyped audio amplifier thinner lighter, the cost is more economic, and be afraid of moist, be afraid of the corruption, the life of dull and stereotyped audio amplifier has been improved greatly, reduce the consumption better, prevent electromagnetic interference. When the piezoelectric ceramic plate 11 is connected with an alternating-current audio signal, the piezoelectric ceramic plate 11 vibrates according to the magnitude frequency of the signal to generate corresponding sound, the vibration is transmitted to the tung wood sound-emitting plate 12, the tung wood sound-emitting plate 12 is light in texture and good in tone quality, and sound breaking is prevented under the vibration absorption effect of the vibration filler 14.

Preferably, the thicknesses of the piezoelectric ceramic plate 11, the tung wood sound-emitting plate 12 and the adhesive 13 are respectively as follows in percentage: the piezoelectric ceramic plate 11 accounts for 70%, the tung wood sound-emitting plate 12 accounts for 20%, the adhesive 13 accounts for 10%, and the sum of the thicknesses of all the components is 100%.

Or the thicknesses of the piezoelectric ceramic plate 11, the tung wood sound-emitting plate 12 and the binder 13 are respectively as follows according to percentage: the piezoelectric ceramic plate 11 accounts for 60%, the tung wood sound-emitting plate 12 accounts for 30%, the adhesive 13 accounts for 10%, and the sum of the thicknesses of all the components is 100%.

In the above embodiment, preferably, the vibration filler 14 is distributed in the gap between the wood tung sound-generating plate 12 and the fixed position, the gap between the wood tung sound-generating plate 12 and the fixed position is less than 1 mm, preferably, the gap is 0.5mm, and the wood tung sound-generating plate 12 bonded with the piezoelectric ceramic plate 11 is filled with the vibration filler 14 to form a complete ceramic ultrathin plane sound-generating driving body. The vibration filler 14 can be in any shape, and the sound-producing driver can be prevented from breaking sound by filling and supporting the vibration filler 14, so that the vibration filler 14 can be in a normalized state with sound between 26 db and 100 db.

In the above embodiment, preferably, the piezoelectric ceramic plate 11 and the tung wood sound board 12 are bonded by the adhesive 13, and then naturally dried to form an adhesive body, and are fixed with the vibration filler 14 after decontamination treatment and line aging treatment.

Specifically, the method for manufacturing the ultrathin planar sounding driving body with the ceramic chip specifically comprises the following steps:

(1) cutting the piezoelectric ceramic plate 11 and the tung wood sound-emitting plate 12 according to the volume proportion and the thickness;

(2) bonding the components together, naturally drying for 24 hours, and then performing decontamination treatment;

(3) bending the bonded tung wood sound-emitting board 12 and carrying out line aging treatment for 24 hours;

(4) filling a vibration filler 14 in a gap of 0.5mm of the sounding driving body to form a complete sounding driving body;

(5) the maximum load of the sounding driver was measured by performing the energization aging treatment for 24 hours.

In the above embodiment, preferably, the piezoelectric ceramic plates 11 determine the optimum distribution positions of the piezoelectric ceramic plates 11 with respect to the tung wood sound-emitting plate 12 based on the vibration points of the piezoelectric ceramic plates 11 and the resonance of the tung wood sound-emitting plate 12, and are respectively bonded to the optimum distribution positions on the tung wood sound-emitting plate 12.

In the sound production process, the vibrations of piezoceramics piece 11 drive the vibrations of paulownia sound production board 12, under the resonance effect of paulownia sound production board 12, can make the sound of sending have a bigger frequency range, and the high frequency is more clear, the low frequency does not have the noise, and piezoceramics piece 11's ultra-thin characteristic makes sound drive part thinner, has better spatial structure and proportion, reaches best sound effect.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an ultra-thin plane sound production driving body of ceramic chip which characterized in that includes: the piezoelectric ceramic plate, the tung wood sound-producing plate and the vibration filler are arranged on the base;

the piezoelectric ceramic piece is bonded on the tung wood sound board through a bonding material, and the thicknesses of the piezoelectric ceramic piece, the tung wood sound board and the bonding material are respectively as follows in percentage: the piezoelectric ceramic plate accounts for 60-80%, the tung wood sound board accounts for 30-10% and the binder accounts for 10%;

the vibration filler is filled in a gap between the tung wood sound-emitting board and the fixed position.

2. The tiled ultrathin planar sounding drive body of claim 1, wherein the thicknesses of the piezoelectric ceramic tile, the tung wood sounding board and the adhesive are, in percent: the piezoelectric ceramic plate accounts for 70%, the tung wood sound board accounts for 20% and the binder accounts for 10%.

3. The tiled ultrathin planar sounding driver according to claim 1, wherein the vibration filler is distributed in the gap between the wood sounding board and the fixed position.

4. The tiled ultrathin planar sounding drive of claim 1 or 3, wherein the gap between the wood sounding board and the fixed position is less than 1 mm.

5. The ultrathin planar sounding driver body with ceramic pieces as claimed in claim 1, wherein the piezoelectric ceramic pieces and the tung wood sounding board are bonded by the adhesive and then naturally dried to form an adhesive body, and the adhesive body is fixed to the vibration filler after decontamination treatment and line aging treatment.

6. The tiled ultrathin planar sounding drive body of claim 1, wherein the piezoelectric ceramic plate determines the optimal distribution positions of the piezoelectric ceramic plate relative to the tung wood sounding board according to the vibration points of the piezoelectric ceramic plate and the resonance of the tung wood sounding board, and is respectively bonded to the optimal distribution positions on the tung wood sounding board.