CN211744723U

CN211744723U - Vibration piezoelectric ceramic horn

Info

Publication number: CN211744723U
Application number: CN202020619988.0U
Authority: CN
Inventors: 马浩; 黎龙
Original assignee: Dongguan Liesheng Electronic Co Ltd
Current assignee: Dongguan Liesheng Electronic Co Ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-10-23
Anticipated expiration: 2030-04-22

Abstract

The utility model discloses a vibration piezoceramics loudspeaker, it includes: a horn support; the metal elastic sheet comprises an outer ring main body arranged in the horn bracket, a plurality of elastic connecting bodies integrally formed on the inner side of the outer ring main body and an inner ring body integrally connected with the elastic connecting bodies, and the inner ring body can float up and down relative to the outer ring main body through the elastic connecting bodies to vibrate; the magnetic circuit assembly comprises a basin frame arranged on the lower end face of the inner ring body, a magnet arranged in the basin frame, a washer arranged at the lower end of the magnet and a copper ring arranged at the lower end of the horn bracket, wherein the basin frame and the magnet can float up and down along with the inner ring body relative to the horn bracket to vibrate; the ceramic wafer bracket is arranged on the upper end surface of the inner ring body; the piezoelectric ceramic piece is arranged on the upper end surface of the ceramic piece bracket; the voice coil at the upper end of the voice film extends into the interval between the basin frame and the magnet; the protecting cover is arranged at the lower end of the horn bracket; and the frequency divider is arranged on the protective cover or the horn bracket and is electrically connected with the voice coil and the piezoelectric ceramic piece.

Description

Vibration piezoelectric ceramic horn

The technical field is as follows:

the utility model relates to a loudspeaker product technical field refers in particular to a vibration piezoceramics loudspeaker.

Background art:

a speaker is a device capable of converting electric energy into sound energy, and is widely used in mobile terminal devices such as mobile phones, earphones, computers, and the like. The conventional loudspeaker comprises a moving-coil loudspeaker and a piezoelectric loudspeaker, wherein the working principle of the moving-coil loudspeaker is that a vibrating diaphragm moves up and down to extrude air to produce sound by cutting a magnetic line of force of a magnet and a voice coil, and the moving-coil loudspeaker has the advantages of full low-frequency and multi-level hearing sense, however, when the moving-coil loudspeaker is at medium-high frequency, the moving-coil loudspeaker is easy to decline due to the limitation of the structure and the material of the vibrating diaphragm, and the problems of insufficient fineness, insufficient definition, insufficient bandwidth and the like exist; compared with a moving coil loudspeaker, the piezoelectric ceramic loudspeaker has the complete advantages of medium-high frequency, the piezoelectric ceramic loudspeaker can continuously reach the ultrahigh frequency of 40 KHz under the performance of high sound pressure, the analytic degree of the medium-high sound is high and bright, but the full low frequency and multi-level auditory sensation cannot be generated.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

an object of the utility model is to overcome prior art not enough, provide a vibration piezoceramics loudspeaker.

In order to solve the technical problem, the utility model discloses a following technical scheme: this vibration piezoceramics loudspeaker includes: a horn support; the metal elastic sheet comprises an outer ring main body fixed in the horn bracket, a plurality of elastic connecting bodies integrally formed on the inner side of the outer ring main body and an inner ring body integrally connected with the elastic connecting bodies and positioned at the center of the outer ring main body, wherein the inner ring body can float up and down relative to the outer ring main body through the elastic connecting bodies to vibrate; the magnetic circuit component comprises a basin frame fixed on the lower end face of the inner ring body of the metal elastic sheet, a magnet fixed in the basin frame, a washer fixed at the lower end of the magnet and a copper ring fixed at the lower end of the horn support, wherein the basin frame and the magnet can float up and down along with the inner ring body relative to the horn support to vibrate; the ceramic wafer bracket is fixed on the upper end surface of the inner ring body; the piezoelectric ceramic piece is fixed on the upper end surface of the ceramic piece bracket; the voice coil at the upper end of the voice film extends into the interval between the basin frame and the magnet; the protecting cover is fixed at the lower end of the horn bracket and covers the magnetic circuit assembly and the periphery of the sound film; and the frequency divider is fixed at the lower end of the protecting cover or the loudspeaker support and is electrically connected with the voice coil.

Furthermore, in the above technical solution, the elastic connecting body is in a zigzag shape, two ends of the elastic connecting body are respectively connected with the inner ring body and the outer ring body integrally, and hole sites are formed among the outer ring body, the elastic connecting body and the inner ring body.

Further, in the above technical solution, the metal elastic sheet is formed by integrally stamping an alloy sheet.

Furthermore, in the above technical solution, the basin stand is provided with a first through hole, the magnet is provided with a through hole penetrating through the upper and lower end faces of the basin stand, the washer is provided with a second through hole, the first through hole, the through hole and the second through hole are in butt joint in sequence, the basin stand is provided with a first tuning net, and the first tuning net is covered on the first through hole; the protecting cover is provided with a third through hole, and the lower end of the protecting cover is provided with a second tuning net which covers the third through hole.

Furthermore, in the above technical solution, a convex portion is further formed at the lower end of the protecting cover, and the third through hole is disposed on the convex portion.

Furthermore, in the above technical scheme, the horn support upper end shaping has the mounting hole and is located the first annular mounting groove of the pore wall department of mounting hole, and the outer edge of outer lane main part is fixed in this first annular mounting groove in this metal shrapnel.

Further, among the above-mentioned technical scheme, loudspeaker support upper end shaping has the second annular mounting groove, and this copper ring is fixed in this second annular mounting groove, just in the protecting cover upper end still imbeds this second annular mounting groove to fasten through glue.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model integrates two structures of a moving coil loudspeaker and a piezoelectric ceramic loudspeaker, and shares a loudspeaker support, so that two paths of audio output of a conventional loudspeaker and a piezoelectric ceramic loudspeaker can be formed through a frequency divider, and further the low frequency and the high frequency are promoted to be presented more perfectly; has exquisite and clear high-frequency effect, full low-frequency effect and multi-level auditory sensation, outputs fine and slight tone quality effect, in addition, the utility model is additionally provided with the metal elastic sheet, and the magnetic circuit component is arranged on the metal elastic sheet, the metal elastic sheet can make the magnetic circuit component move up and down along with music relative to the loudspeaker bracket, thereby achieving the low-frequency vibration effect, leading the whole loudspeaker system to have the advantage of vibration effect, namely, the magnetic circuit component of the utility model can move up and down along with music, thereby achieving excellent vibration effect, so that when the consumer watches the exciting action, the science fiction movie or plays the gun battle and the action game, the real vibration waves can be experienced to listen to the low-sound effects of more dynamic cannon fire, war, flight and the like, so that consumers feel personally on the scene, the reality sense is extremely strong, and the use requirements of the consumers can be met.

Description of the drawings:

fig. 1 is an exploded perspective view of the present invention;

fig. 2 is a schematic structural diagram of the present invention.

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

Referring to fig. 1-2, there is shown a vibrating piezoelectric ceramic horn, comprising: loudspeaker support 1, install metal shrapnel 2 in this loudspeaker support 1, install in the magnetic circuit component 3 of this metal shrapnel 2 lower extreme, install in ceramic wafer support 4 and piezoceramics piece 5 of this loudspeaker support 1 upper end, set up in this loudspeaker support 1 lower extreme and with 3 complex sound membrane 6 of magnetic circuit component and be fixed in the protecting cover 7 of this loudspeaker support 1 lower extreme and set up in this protecting cover 7 or loudspeaker support 1's frequency divider 8, this frequency divider 8 and magnetic circuit component 3 and piezoceramics piece 5 electric connection.

The metal elastic sheet 2 comprises an outer ring main body 21 fixed in the horn bracket 1, a plurality of elastic connecting bodies 22 integrally formed on the inner side of the outer ring main body 21 and an inner ring body 23 integrally connected with the elastic connecting bodies 22 and positioned at the center of the outer ring main body, and the inner ring body 23 can float up and down relative to the outer ring main body 21 through the elastic connecting bodies 22 to vibrate; the elastic connecting body 22 is in a zigzag shape, two ends of the elastic connecting body are respectively connected with the inner ring body 23 and the outer ring body 21 integrally, and hole sites 20 are formed among the outer ring body 21, the elastic connecting body 22 and the inner ring body 23. Of course, the elastic connection body 22 may have other shapes.

Metal shrapnel 2 is formed by the integrative punching press of alloy piece, and its intensity is high, and elastic capacity is better, the utility model discloses metal shrapnel 2 has been add, and magnetic circuit component installs on this metal shrapnel 2, this metal shrapnel 2 can make the relative loudspeaker support of magnetic circuit component along with music up-and-down motion to reach the low frequency vibration effect, it makes whole loudspeaker system have the advantage of vibration effect, promptly the utility model discloses a magnetic circuit component can be along with music up-and-down motion, thereby reaches fabulous vibration effect, so that the consumer watches amazing action, science fiction film big piece or play the gun battle, during action recreation, can experience true vibration wave in order to listen more moving people's soul fire, war, flight etc. low audio, makes the consumer feel personally on the scene, and the sense of reality is extremely strong, can satisfy consumer's operation requirement.

The magnetic circuit component 3 comprises a basin frame 31 fixed on the lower end face of the inner ring body 23 of the metal elastic sheet 2, a magnet 32 fixed in the basin frame 31, a washer 33 fixed at the lower end of the magnet 32 and a copper ring 34 fixed at the lower end of the horn support 1, wherein the basin frame 31 and the magnet 32 can float up and down along with the inner ring body 23 relative to the horn support 1 to vibrate; a voice diaphragm 6 mounted on the lower end of the copper ring 34, wherein a voice coil 61 on the upper end of the voice diaphragm 6 extends into the space between the pot frame 31 and the magnet 32; the horn bracket 1, the magnetic circuit component 3 and the sound film 6 can be combined into a moving coil horn structure so as to have the function of a moving coil horn. After 8 access signal by the frequency divider, according to the circuit distribution signal, the signal is tangent with magnet 32's magnetic line of force through voice coil loudspeaker voice coil 61 of sound membrane 6 to drive sound membrane 6 and reciprocate and the sound production, and vibrate together with the alloy shell fragment, thereby the utility model discloses have plump low frequency effect and multi-level sense of hearing.

The basin frame 31 is provided with a first through hole 311, the magnet 32 is provided with a through hole 321 penetrating through the upper end surface and the lower end surface of the basin frame, the washer 33 is provided with a second through hole 331, the first through hole 311, the through hole 321 and the second through hole 331 are sequentially butted, the basin frame 31 is provided with a first tuning net 312, and the first tuning net 312 is covered on the first through hole 311; the protecting cover 7 is provided with a third through hole 71, and the lower end of the protecting cover 7 is provided with a second tuning net 72, and the second tuning net 72 covers the third through hole 71. The utility model discloses a density, thickness, the material of first tuning net 312 of adjustment and second tuning net 72 change the utility model discloses form the air current of symmetry during the vibration, improve sensitivity and prevent debris such as dust from getting into magnetic circuit assembly.

The upper end of the horn support 1 is provided with a mounting hole 11 and a first annular mounting groove 12 positioned on the hole wall of the mounting hole 11, and the outer edge of the outer ring main body 21 in the metal elastic sheet 2 is fixed in the first annular mounting groove 12. The upper end of the horn bracket 1 is formed with a second annular mounting groove 13, the copper ring 34 is fixed in the second annular mounting groove 13, and the upper end of the protecting cover 7 is also embedded in the second annular mounting groove 13 and is fastened through glue.

The ceramic plate bracket 4 is fixed on the upper end surface of the inner ring body 23; the piezoelectric ceramic plate 5 is fixed on the upper end surface of the ceramic plate bracket 4; the piezoelectric ceramic piece 5 can achieve the main structure of the piezoelectric ceramic horn by matching with the ceramic piece bracket 4 so as to have the function of the piezoelectric ceramic horn. The during operation is inserted the signal by the frequency divider after, according to circuit distribution signal, and the signal process piezoceramics piece 5 causes the piezoceramics piece to bend and warp the motion and the sound production to vibrate together with the alloy shell fragment, thereby make the utility model discloses have fine and smooth, clear high frequency effect.

The protecting cover 7 is fixed at the lower end of the horn bracket 1 and covers the magnetic circuit component 3 and the periphery of the sound film 6. The lower end of the protecting cover 7 is also formed with a convex portion 73, and the third through hole 71 is disposed on the convex portion 73.

Frequency divider 8 is fixed in this protecting cover 7 or 1 lower extreme of horn bracket, particularly, the utility model discloses be fixed in 7 lower extremes of this protecting cover with frequency divider 8, and this frequency divider 8 and voice coil

loudspeaker voice coil

61 and 5 electric connection of piezoceramics piece.

In summary, the utility model integrates two structures of the moving coil loudspeaker and the piezoelectric ceramic loudspeaker, and shares the loudspeaker support, so that two audio outputs of the conventional loudspeaker and the piezoelectric ceramic loudspeaker can be formed through the frequency divider, and further the low frequency and the high frequency are promoted to be presented more perfectly; has exquisite and clear high-frequency effect, full low-frequency effect and multi-level auditory sensation, outputs fine and slight tone quality effect, in addition, the utility model is additionally provided with the metal elastic sheet 2, and the magnetic circuit component is arranged on the metal elastic sheet 2, the metal elastic sheet 2 can make the magnetic circuit component move up and down along with music relative to the horn bracket, thereby achieving the low-frequency vibration effect, leading the whole loudspeaker system to have the advantage of vibration effect, namely, the magnetic circuit component of the utility model can move up and down along with music, thereby achieving excellent vibration effect, so that when the consumer watches the exciting action, the science fiction movie or plays the gun battle and the action game, the real vibration waves can be experienced to listen to the low-sound effects of more dynamic cannon fire, war, flight and the like, so that consumers feel personally on the scene, the reality sense is extremely strong, and the use requirements of the consumers can be met.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims

1. A vibrating piezoelectric ceramic horn characterized in that: it includes:

a horn bracket (1);

the metal elastic sheet (2) comprises an outer ring main body (21) fixed in the horn bracket (1), a plurality of elastic connecting bodies (22) integrally formed on the inner side of the outer ring main body (21) and an inner ring body (23) integrally connected with the elastic connecting bodies (22) and positioned at the center of the outer ring main body, wherein the inner ring body (23) can float up and down relative to the outer ring main body (21) through the elastic connecting bodies (22) to vibrate;

the magnetic circuit component (3) comprises a basin frame (31) fixed on the lower end face of the inner ring body (23) of the metal elastic sheet (2), a magnet (32) fixed in the basin frame (31), a washer (33) fixed at the lower end of the magnet (32) and a copper ring (34) fixed at the lower end of the horn bracket (1), wherein the basin frame (31) and the magnet (32) can float up and down along with the inner ring body (23) relative to the horn bracket (1) to vibrate;

the ceramic wafer bracket (4) is fixed on the upper end surface of the inner ring body (23);

the piezoelectric ceramic piece (5) is fixed on the upper end surface of the ceramic piece bracket (4);

a voice membrane (6) which is arranged at the lower end of the copper ring (34), and a voice coil (61) at the upper end of the voice membrane (6) extends into the interval between the pot frame (31) and the magnet (32);

a protecting cover (7) which is fixed at the lower end of the horn bracket (1) and covers the magnetic circuit component (3) and the periphery of the sound film (6);

and the frequency divider (8) is fixed at the lower end of the protective cover (7) or the loudspeaker support (1), and the frequency divider (8) is electrically connected with the voice coil (61) and the piezoelectric ceramic piece (5).

2. A vibrating piezoelectric ceramic horn according to claim 1, wherein: the elastic connecting body (22) is Z-shaped, two ends of the elastic connecting body are respectively and integrally connected with the inner ring body (23) and the outer ring main body (21), and hole sites (20) are formed among the outer ring main body (21), the elastic connecting body (22) and the inner ring body (23).

3. A vibrating piezoelectric ceramic horn according to claim 2, wherein: the metal elastic sheet (2) is formed by integrally stamping an alloy sheet.

4. A vibrating piezoelectric ceramic horn according to any one of claims 1 to 3, wherein: the flowerpot is characterized in that a first through hole (311) is formed in the flowerpot frame (31), a through hole (321) penetrating through the upper end face and the lower end face of the flowerpot frame is formed in the magnet (32), a second through hole (331) is formed in the washer (33), the first through hole (311), the through hole (321) and the second through hole (331) are sequentially connected in a butt joint mode, a first tuning net (312) is arranged on the flowerpot frame (31), and the first tuning net (312) is covered on the first through hole (311); the protecting cover (7) is provided with a third through hole (71), a second tuning net (72) is arranged at the lower end of the protecting cover (7), and the second tuning net (72) covers the third through hole (71).

5. The vibrating piezoelectric ceramic horn according to claim 4, wherein: the lower end of the protective cover (7) is also formed with a convex part (73), and the third through hole (71) is formed in the convex part (73).

6. The vibrating piezoelectric ceramic horn according to claim 4, wherein: the loudspeaker support (1) upper end shaping has mounting hole (11) and is located the first annular mounting groove (12) of the pore wall department of mounting hole (11), and the outer edge of outer circle main part (21) is fixed in this first annular mounting groove (12) in this metal shrapnel (2).

7. The vibrating piezoelectric ceramic horn according to claim 4, wherein: loudspeaker support (1) upper end shaping has second annular mounting groove (13), and this copper ring (34) are fixed in this second annular mounting groove (13), just during protecting cover (7) upper end still imbeds this second annular mounting groove (13) to through the glue fastening.