CN216357289U

CN216357289U - Full-frequency bone sound conduction speaker and earphone

Info

Publication number: CN216357289U
Application number: CN202122983943.9U
Authority: CN
Inventors: 刘明涛
Original assignee: Shenzhen Mingyueda Electroacoustic Technology Co ltd
Current assignee: Shenzhen Mingyueda Electroacoustic Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-19
Anticipated expiration: 2031-11-30

Abstract

The embodiment of the utility model provides a full-frequency bone-sound conduction loudspeaker, which comprises a cavity, and a voice coil assembly, a magnetic circuit assembly, a vibrating diaphragm and a vibration-transmitting sheet which are arranged in the cavity; the magnetic circuit assembly is of a U-shaped structure, and the vibration transmission piece is arranged at the U-shaped opening of the magnetic circuit assembly and extends to the opening part of the cavity; the vibrating diaphragm is connected with the magnetic circuit component and the voice coil component and is arranged at the position of the U-shaped opening of the magnetic circuit component in a surrounding mode; when the bone conduction vibration plate is used, the vibration conduction vibration plate directly or through a solid medium contacts a human body, and the vibration is transmitted into human ears through bone conduction; the vibrating diaphragm causes air vibration to conduct sound waves, and the sound waves are transmitted out of the cavity through the sound transmission part. The utility model has reasonable structural design, can provide full and powerful bass, and the vibrating diaphragm is combined with the sound transmission pipe to ensure that the middle tone is clear and the high tone is fine; the characteristics of air conduction and bone conduction are combined finally, the wearing is comfortable, and the integral tone quality restoration degree is good; the bass end is well extended, and the frequency responses of the low, middle and high tones are uniform.

Description

Full-frequency bone sound conduction speaker and earphone

Technical Field

The utility model relates to the technical field of electroacoustic conversion, in particular to a full-frequency bone-sound conduction loudspeaker and an earphone.

Background

Generally, a person can hear a sound because air transmits vibration to the eardrum through the external auditory meatus, and the vibration formed through the eardrum drives the auditory nerve of the person, thereby sensing the vibration of the sound, which is air conduction. When the bone conduction speaker in the market works, the bone conduction speaker can be generally transmitted to the auditory nerve of a person through the skin, subcutaneous tissues and bones of the person, so that the person can hear the sound.

The two modes have advantages and disadvantages, in the acoustic field, a bone conduction earphone in the market is relatively comfortable to wear, but most importantly, the medium-high frequency sound quality is poor, and the music reproduction degree and the music separation degree are also poor. And although the air conduction in-ear earphones are poor in wearing comfort level for a long time, the proportion of each frequency band of sound is coordinated, the matching of medium and high frequency and low frequency is reasonable, and the medium and high frequency directivity is stronger.

With the continuous development of science and technology, the development and research which is different from the traditional loudspeaker and can also take the advantages of air conduction and bone conduction is very important.

SUMMERY OF THE UTILITY MODEL

In view of the above, embodiments of the present invention provide a full-band bone-sound conduction speaker and earphone that overcomes or at least partially solves the above problems.

The utility model provides a full-frequency bone-sound conduction loudspeaker, which comprises a cavity, and a voice coil assembly, a magnetic circuit assembly, a vibrating diaphragm and a vibration-transmitting sheet which are arranged in the cavity;

the magnetic circuit assembly is of a U-shaped structure, and the vibration transmission piece is arranged at the U-shaped opening of the magnetic circuit assembly and extends to the cavity opening part of the cavity;

the vibrating diaphragm is connected between the magnetic circuit assembly and the voice coil assembly and is arranged at the position of the U-shaped opening of the magnetic circuit assembly in a surrounding mode, wherein at least part of the coil of the voice coil assembly is located in the magnetic field provided by the magnetic circuit assembly;

the vibration transmission sheet is connected with the voice coil assembly;

the side surface of the cavity is provided with a sound transmission part penetrating through the inside and the outside of the cavity;

when the vibration transmission piece is used, the vibration transmission piece is in contact with a human body directly or through a solid medium, and the vibration is transmitted into human ears through bone conduction; the diaphragm causes air to vibrate and conduct sound waves, and the sound waves are transmitted out of the cavity through the sound transmission part.

Further, the device also comprises a panel and a connecting piece;

the panel is arranged at the position of the cavity opening and is connected with the vibration transmission sheet;

the panel is connected with the side wall of the cavity through a connecting piece.

Further, the magnetic circuit assembly includes: the U iron, the magnetic conducting sheet, the bracket and the at least one magnet;

one end of the magnet is connected with the U-shaped iron and is arranged in the center of the inside of the U-shaped iron;

the other end of the magnet is provided with the magnetic conductive sheet, and the area of the magnetic conductive sheet is larger than that of the other end of the magnet and smaller than the U-shaped opening of the U-shaped iron;

a bracket is arranged on the outer side of the U-shaped opening of the U-shaped iron and connected with the vibrating diaphragm;

the voice coil assembly is arranged in the U-shaped iron and surrounds the periphery of the magnetic conductive sheet.

Further, the magnetic conductive sheet and the magnet are concentrically arranged.

Furthermore, the sound transmission part comprises at least 1 sound transmission hole and/or at least 1 sound transmission pipe, and the shapes of the sound transmission hole and the sound transmission pipe include bracket angles, cones, cylinders and round holes.

Furthermore, the sound transmission hole and/or the sound transmission pipe are/is arranged in the position direction and are positioned at the side end of the positive radiation surface of the vibrating diaphragm;

the sum of the aperture areas of the sound transmission holes and/or the sound transmission pipes is 20-50% of the effective radiation surface of the diaphragm.

Furthermore, the device also comprises an elastic sheet;

one end of the elastic sheet is connected with the vibration transmission sheet, and the other end of the elastic sheet is connected to the cavity.

Further, the material of the diaphragm comprises one or more of cloth, rubber, PU, metal and composite materials for radiating sound waves.

Furthermore, the elastic sheet material includes one or more of steel, alloy and plastic.

Further, the shape of the diaphragm comprises an R-ring shape, a W shape and a straight flat edge shape.

Further, the vibration transmission sheet comprises a first vibration transmission sheet and a second vibration transmission sheet which are made of the same material;

one end of the first vibration transmission sheet is connected to the vibration film, and the other end of the first vibration transmission sheet is connected with one end of the second vibration transmission sheet through one end of the elastic sheet; and the other end of the second vibration transmission extends to the cavity opening part of the cavity.

Further, the voice coil assembly further comprises a framework; the coil is coated on the outer layer of the framework;

the vibrating diaphragm is connected with the magnetic circuit component and the outer side of the framework;

the vibration transmission piece is connected with the inner side of the framework.

The embodiment of the application also discloses a full-frequency bone sound conduction earphone, which comprises a sound production part, a functional part and the full-frequency bone sound conduction loudspeaker, wherein the functional part is packaged in the sound production part and used for receiving a sound source; the full-frequency bone sound conduction loudspeaker is electrically connected with the functional component.

The application has the following advantages:

in an embodiment of the present application, the driving device comprises a cavity and a driving component arranged in the cavity; the driving component comprises a magnetic circuit component, a vibrating diaphragm and a vibration transmission sheet; the magnetic circuit assembly is of a U-shaped structure, and the vibration transmission is arranged at the position of a U-shaped opening of the magnetic circuit assembly and extends to the opening part of the cavity; the vibrating diaphragm is connected with the magnetic circuit component and the vibration transmission piece, and is arranged at the position of the U-shaped opening of the magnetic circuit component in a surrounding manner; and the side surface of the cavity is provided with a sound transmission part penetrating through the inside and the outside of the cavity. The utility model has reasonable structural design, can provide full and powerful bass, and the vibrating diaphragm is combined with the sound transmission pipe to ensure clear middle pitch and fine high pitch. Finally, the characteristics of air conduction and bone conduction are combined, the wearing is comfortable, and the integral tone quality restoration degree is good. The bass end is well extended, and the frequency responses of the low, middle and high tones are uniform.

Drawings

In order to more clearly illustrate the technical solutions of the present application, the drawings needed to be used in the description of the present application will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a full-band bone-sound conduction speaker according to an embodiment of the present invention;

fig. 2 is another structural diagram of a full-band bone-sound conduction speaker according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a voice coil assembly according to an embodiment of the present invention.

In the figure, 101, U iron; 102. a magnet; 103. a magnetic conductive sheet; 104. a voice coil assembly; 105. vibrating diaphragm; 106. a support; 107. a spring plate; 108. a first vibration transmitting sheet; 109. a second vibration transmitting sheet; 201. a cavity; 202. a joining member; 203. a panel; 204. a sound transmission hole; 1041. a framework; 1042. and a coil.

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 some, not all, embodiments of the present invention. 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.

It should be noted that the speaker provided in the embodiment of the present invention is a bone conduction speaker, that is, the bone conduction speaker and the air conduction speaker are integrated in the same speaker, and are not synthesized by bonding or welding two different speakers, where when the bone conduction vibration does not contact the human body, the bone conduction vibration has vibration but the vibration sound wave cannot be heard by human ears. PU, Polyurethane (PU), is a high molecular compound, all known as polyurethane.

Referring to fig. 1, a schematic structural diagram of a full-band bone-sound conduction speaker according to an embodiment of the present invention is shown. Specifically, the voice coil loudspeaker comprises a cavity 201, and a voice coil assembly 104, a magnetic circuit assembly, a diaphragm 105 and a vibration transmission sheet which are arranged in the cavity; the magnetic circuit assembly is of a U-shaped structure, and the vibration transmission piece is arranged at the U-shaped opening of the magnetic circuit assembly and extends to the opening part of the cavity 201; the diaphragm is connected between the magnetic circuit assembly and the voice coil assembly 104, and the diaphragm 105 is arranged around the U-shaped opening of the magnetic circuit assembly, wherein the coil 1042 of the voice coil assembly 104 is at least partially located in the magnetic field provided by the magnetic circuit assembly; the vibration transmission sheet is connected with the voice coil assembly 104; the side surface of the cavity 201 is provided with a sound transmission part penetrating through the inside and the outside of the cavity 201; when the vibration transmission piece is used, the vibration transmission piece is in contact with a human body directly or through a solid medium, and the vibration is transmitted into human ears through bone conduction; the diaphragm 105 causes air vibration to conduct sound waves, and the sound waves are transmitted out of the cavity 201 through the sound transmission part.

The full-frequency bone sound conduction loudspeaker and the equipment related to the loudspeaker are used as a full-frequency bone sound (gas) conduction mode at present, and the full-frequency bone sound (gas) conduction loudspeaker is a direction for future development, is comfortable to wear, changes a mode of sound distributed propagation, realizes directional propagation, and can restore high-quality audio.

Hereinafter, a full frequency bone-sound conduction speaker in the present exemplary embodiment will be further described.

Fig. 1 is a schematic structural diagram of a full-band bone-acoustic conduction speaker according to an embodiment of the present invention; the method specifically comprises the following steps: the voice coil component 104, the magnetic circuit component, the vibrating diaphragm 105 and the vibration transmission sheet are arranged in the cavity 201; the magnetic circuit assembly is of a U-shaped structure, and the vibration transmission piece is arranged at the U-shaped opening of the magnetic circuit assembly and extends to the opening part of the cavity 201; the diaphragm is connected between the magnetic circuit component and the voice coil component 104, and the diaphragm 105 is arranged around the U-shaped opening of the magnetic circuit component, wherein the coil of the voice coil component 104 is at least partially located in the magnetic field provided by the magnetic circuit component; the vibration transmission sheet is connected with the voice coil assembly 104; the side surface of the cavity 201 is provided with a sound transmission part penetrating through the inside and the outside of the cavity 201; when the vibration transmission piece is used, the vibration transmission piece is in contact with a human body directly or through a solid medium, and the vibration is transmitted into human ears through bone conduction; the diaphragm 105 causes air vibration to conduct sound waves, and the sound waves are transmitted out of the cavity 201 through the sound transmission part.

The utility model has reasonable structural design, can provide full and powerful bass, and the vibrating diaphragm 105 is combined with the sound transmission tube to ensure clear middle pitch and fine high pitch. Finally, the characteristics of air conduction and bone conduction are combined, the wearing is comfortable, and the integral tone quality restoration degree is good. The bass end is well extended, and the frequency responses of the low, middle and high tones are uniform.

In one embodiment of the present invention, as shown in fig. 2, further comprises a panel 203 and a connector 202; the panel 203 is arranged at the cavity opening and is connected with the vibration transmission sheet; the panel 203 is connected with the side wall of the cavity 201 through a connector 202; all or part of the panel 203 is used for contacting or abutting with the body of a user, and the panel 203 is in transmission connection with the vibration transmission sheet so as to transmit and increase low-frequency diving.

In the above embodiment, the vibration transmission sheet at the cavity opening position is protected by the panel 203, and the vibration is transmitted to the panel 203 through the vibration transmission sheet; when in use, the panel 203 is attached to the edge of the human ear, and sound waves are conducted through bones; and the vibration plate or other internal components can be prevented from being damaged by external conductors.

In an embodiment of the present invention, the magnetic circuit assembly includes: the U-shaped iron comprises a U-shaped iron 101, a magnetic conducting sheet 103, a bracket 106 and at least one magnet 102; one end of the magnet 102 is connected with the U-shaped iron 101 and is arranged at the central position inside the U-shaped iron 101; the other end of the magnet 102 is provided with the magnetic conductive sheet 103, and the area of the magnetic conductive sheet 103 is larger than that of the other end of the magnet 102 and smaller than the U-shaped opening of the U-shaped iron 101; a bracket 106 is arranged on the outer side of the U-shaped opening of the U-shaped iron 101, and the bracket 106 is connected with the diaphragm 105; the voice coil assembly 104 is disposed along the U-shaped iron 101 and surrounds the outer periphery of the magnetic conductive plate 103.

Further, the magnetic conductive sheet 103 and the magnet 102 are concentrically arranged; as shown in fig. 3, the voice coil assembly 104 further includes a bobbin 1041, wherein the bobbin 1041 is a hollow structure; the coil 1042 covers the outer layer of the skeleton 1041; the diaphragm 105 is connected to the magnetic circuit assembly and the skeleton 1041.

In the above embodiment, the magnetic field is guided by the magnetic conductive plate 103 of the magnetic circuit assembly, so that the vibration of the voice coil assembly 104 is always kept in the current magnetic field, the sound is restored and converted more accurately, and the distortion rate is reduced.

In an embodiment of the present invention, the number of the magnets 102 may be 2; wherein, the magnetic conductive sheet 103 is arranged between the two magnets 102; by increasing the magnetic field intensity through the two magnets and by the guiding effect of the magnetic conducting plate 103 on the magnetic field, when the loudspeaker works, the electromagnetic field generated after the coil 1042 is electrified interacts with the magnetic field of the magnet 102, and the magnetic field of the magnet is enhanced, so that the magnetic field interaction is stronger after the coil 1042 is electrified, and the sensitivity of the loudspeaker is further improved.

In the above embodiment, the magnets 102 may also be arranged in an overlapping manner, and then the magnetic conductive sheets 103 are overlapped; the number of the magnets 102 may also be three or more, the number of the magnetic conductive sheets 103 may also be two or more, and the magnets 102 and the magnetic conductive sheets 103 may also be combined in various forms, for example, three magnets 102 are stacked, wherein one magnetic conductive sheet 103 is disposed between every two magnets 102, and in addition, other combination manners may also be provided.

In an embodiment of the present invention, the sound transmission portion has at least 1 sound transmission hole 204 and/or at least 1 sound transmission tube, and the shape includes bracket angle, cone, cylinder and round hole.

Through the sound transmission hole 204 or the sound transmission pipe, or the sound transmission hole 204 is combined with the sound transmission pipe, the air pushed by the loudspeaker vibrates sound waves and the sound waves are transmitted from the sound transmission hole 204 and/or the sound transmission pipe, so that the air conduction sound waves are free from obstruction in the transmission process, and the air conduction sound waves are prevented from causing loss due to obstruction in the transmission.

In an embodiment of the present invention, the sound transmission hole 204 and/or the sound transmission tube is located at a side end of the front radiation surface of the diaphragm 105; the sum of the aperture areas of the sound transmission holes 204 and/or the sound transmission pipes is 20-50% of the effective radiation surface of the diaphragm 105.

In the above embodiment, the sound transmission hole 204 or the sound transmission tube may be one or more than one, and is a tube or a hole with a special shape, which is located above the side of the cavity 201, and can enhance the medium-high frequency and the directivity thereof, the special shape includes but is not limited to a horn, a cone, a cylinder, a round hole, and the like, and the optimal size of the sound transmission hole 204 and/or the sound transmission tube is adjusted through a system test; the position direction of the sound transmission hole 204 and/or the sound transmission tube of the cavity 201 is controlled at the side of the positive radiation surface of the diaphragm, the size of the tube opening is controlled at 20% -50% of the effective radiation surface of the diaphragm 105, the outlet direction of the tube size is adjusted slightly, the high pitch directivity is stronger, and the directional transmission purpose is achieved.

In an embodiment of the present invention, the device further includes a spring 107; one end of the elastic sheet 107 is connected with the vibration transmission sheet, and the other end is connected to the cavity 201.

In the above embodiment, the bass of the speaker and the speaker device using the speaker device is effectively enhanced by the vibration transmission plate and the elastic sheet 107, and meanwhile, the medium-high frequency sound waves radiated by the vibration diaphragm 105 reach the sound transmission hole 204 and/or the sound transmission pipe of the cavity 201, so that the sound transmission is more concentrated, the directivity is stronger, the sound transmission efficiency is improved, the mode of sound dispersion type transmission is changed, and the directional transmission of the dispersed sound is realized.

In an embodiment of the present invention, the material of the diaphragm 105 includes one or more of cloth, rubber, PU, and metal for radiating sound waves.

In the above embodiment, the quality of the diaphragm 105 includes but is not limited to the cloth, rubber, PU, metal, composite material, etc. of the used radiation sound wave, and the medium-high sound of the main radiation reaches the sound transmission hole 204 and/or the sound transmission pipe, so that the diaphragm 105 can be effectively utilized, the directivity of the radiation sound wave is further enhanced, and the medium-high sound directional propagation is achieved.

In an embodiment of the present invention, the elastic sheet 107 is made of one or more materials selected from steel, alloy and plastic.

In the above embodiments, the elastic sheet 107 includes, but is not limited to, steel, alloy, plastic, and single or composite materials.

In an embodiment of the present invention, the shape of the diaphragm 105 includes an R-ring shape, a W shape, and a straight edge shape.

In the above embodiment, the diaphragm 105 may be used as a supporting member, and is mainly used for radiating medium-high frequency sound waves, and then forms a whole with the vibration transmission plate, the elastic sheet 107, the cavity 201 and the sound transmission hole 204, and the medium-high frequency sound waves radiated by the diaphragm 105 make sound transmission more concentrated and have stronger directivity through the sound outlet pipe on the cavity 201.

In an embodiment of the present invention, the vibration-transmitting plate includes a first vibration-transmitting plate 108 and a second vibration-transmitting plate 109 with the same material; one end of the first vibration transmission plate 108 is connected to the voice coil assembly 104, and the other end is connected with one end of the second vibration transmission plate 109 through one end of a spring plate 107; the other end of the second vibration transmission 109 extends to the cavity opening of the cavity 201.

In the above embodiment, one end of the elastic sheet 107 is bonded to the vibration transmission sheet, the other end is bonded to the cavity 201, the panel 203 is in contact with or abutted against the body of the user, the sound of the low frequency sound band is transmitted and enhanced, the vibration transmission sheet is connected to the voice coil assembly 104 and the elastic sheet 105, and the panel 203 and the vibration transmission sheet have a system loop in transmission connection, so that the low frequency is improved. The vibration transmission piece and the elastic sheet 107 effectively enhance the bass of the loudspeaker, and meanwhile, the medium-high frequency sound waves radiated by the vibration film are transmitted to the sound outlet pipe of the cavity 201, so that the sound is transmitted more intensively, the directivity is stronger, and the sound transmission efficiency is improved.

The utility model also discloses a full-frequency bone-sound conduction earphone which comprises a sound production part, a functional part and the full-frequency bone-sound conduction loudspeaker, wherein the functional part is packaged in the sound production part and is used for receiving a sound source; the full-frequency bone sound conduction loudspeaker is electrically connected with the functional component; the sound-emitting part is provided with a small hole corresponding to the sound-transmitting part of the full-frequency bone sound conduction loudspeaker; when worn, the aperture is oriented toward the pinna.

In the above embodiment, the full-frequency bone acoustic conduction earphone has both advantages of air conduction and bone conduction, and development and research of the earphone are very important. The earphone is comfortable to wear, and has high quality such as full bass, clear middle pitch and fine treble; at present, the full-frequency bone sound (gas) conduction earphone is the direction of future development, is comfortable to wear, changes the mode of sound distributed transmission, realizes directional transmission and can restore high-quality audio. Nowadays, a new technical route is opened up for the application in the field of electric sound conversion (loudspeaker) by using a directional sound box or an earphone for hearing acoustics clearly, similar schemes are popularized and used in various industries, the sound broadcasting efficiency is greatly improved, and good feedback and evaluation are obtained certainly.

The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the utility model.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.

The full-frequency bone-sound conduction speaker and the earphone provided by the application are introduced in detail, specific examples are applied in the description to explain the principle and the implementation mode of the application, and the description of the embodiments is only used for helping to understand the method and the core idea of the application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A full-frequency bone sound conduction loudspeaker is characterized by comprising a cavity, and a voice coil assembly, a magnetic circuit assembly, a vibrating diaphragm and a vibration transmission sheet which are arranged in the cavity;

the vibration transmission sheet is connected with the voice coil assembly;

2. The full band bone acoustic conduction speaker according to claim 1, wherein the magnetic circuit assembly comprises: the U iron, the magnetic conducting sheet, the bracket and the at least one magnet;

the other end of the magnet is concentrically provided with the magnetic conductive sheet, and the area of the magnetic conductive sheet is larger than that of the other end of the magnet and smaller than the U-shaped opening of the U-shaped iron;

3. The full-band bone-sound conduction speaker according to claim 1, wherein the voice coil assembly further comprises a bobbin; the coil is coated on the outer layer of the framework;

4. The full band bone acoustic conduction speaker according to claim 1, wherein the sound transmission part has at least 1 sound transmission hole and/or at least 1 sound transmission tube, and has a shape including a bracket angle shape, a cone shape, a cylinder shape, and a circular hole shape.

5. The full-band bone-sound conduction speaker according to claim 4, wherein the sound transmission hole and/or the sound transmission tube are/is located at a side end of a front radiation surface of the diaphragm;

6. The full-band bone-sound conduction speaker according to any one of claims 1 to 5, wherein the diaphragm material includes one or more of cloth, rubber, PU, and metal for radiating sound waves.

7. The full-band bone-acoustic conduction speaker of claim 6, wherein the diaphragm shape comprises an R-ring shape, a W shape, a straight flat edge shape.

8. The full frequency bone acoustic conduction speaker according to claim 1, further comprising a faceplate and a joint;

the panel is connected with the side wall of the cavity through the connecting piece.

9. The full-band bone-sound conduction speaker according to claim 1, further comprising a dome;

10. The full frequency bone acoustic conduction speaker according to claim 9, wherein the resilient member comprises one or more of steel, alloy, and plastic.

11. The full-band bone-sound conduction speaker according to claim 1, wherein the vibration-transmitting plate includes a first vibration-transmitting plate and a second vibration-transmitting plate which are made of the same material;

one end of the first vibration transmission sheet is connected to the voice coil assembly, and the other end of the first vibration transmission sheet is connected with one end of the second vibration transmission sheet through one end of an elastic sheet; and the other end of the second vibration transmission extends to the cavity opening part of the cavity.

12. A full-band bone-sound conduction earphone, comprising a sound-emitting part, a functional part packaged in the sound-emitting part and used for receiving a sound source, and a full-band bone-sound conduction speaker according to any one of claims 1 to 11 packaged in the sound-emitting part; the full-frequency bone sound conduction loudspeaker is electrically connected with the functional component; the sound-emitting part is provided with a small hole corresponding to the sound-transmitting part of the full-frequency bone sound conduction loudspeaker; when worn, the aperture is oriented toward the pinna.