CN111182426A - Bone conduction speaker and compound speaker - Google Patents

Bone conduction speaker and compound speaker Download PDF

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Publication number
CN111182426A
CN111182426A CN202010060263.7A CN202010060263A CN111182426A CN 111182426 A CN111182426 A CN 111182426A CN 202010060263 A CN202010060263 A CN 202010060263A CN 111182426 A CN111182426 A CN 111182426A
Authority
CN
China
Prior art keywords
magnet
bone conduction
conduction speaker
piece
speaker
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010060263.7A
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Chinese (zh)
Inventor
朱达云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Chuangxiang Listening Technology Co Ltd
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Shenzhen Chuangxiang Listening Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Chuangxiang Listening Technology Co Ltd filed Critical Shenzhen Chuangxiang Listening Technology Co Ltd
Priority to CN202010060263.7A priority Critical patent/CN111182426A/en
Publication of CN111182426A publication Critical patent/CN111182426A/en
Priority to PCT/CN2020/108412 priority patent/WO2021143118A1/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/13Hearing devices using bone conduction transducers

Abstract

The invention discloses a bone conduction loudspeaker which comprises a bottom plate, a lower magnet, a lower coil, an upper magnet, an upper coil, a vibrating piece, a centering support piece and a conduction piece. The lower magnet is fixedly arranged on the bottom plate. The lower coil ring is arranged on the inner side of the lower magnet. The upper magnet is fixedly arranged above the lower magnet; the lower magnet is separated from the upper magnet, a first magnetic gap is formed between the lower magnet and the upper magnet, and two magnetic poles on the upper side and the lower side of the first magnetic gap are opposite magnetic poles. The upper coil is arranged on the inner side of the upper magnet in a ring mode, and a through hole is formed in the upper coil. The vibrating plate is suspended in the first magnetic gap, and the periphery of the vibrating plate is fixed between the upper magnet and the lower magnet. The centering support piece is fixedly arranged above the upper magnet. The conducting piece is movably arranged in the through hole, the root part of the conducting piece is fixedly connected to the vibrating piece, and the top part of the conducting piece penetrates through the centering support piece. The invention also provides a compound loudspeaker, which comprises an air conduction loudspeaker and the bone conduction loudspeaker, wherein the bone conduction loudspeaker is fixedly arranged on the air conduction loudspeaker.

Description

Bone conduction speaker and compound speaker
Technical Field
The invention belongs to the technical field of loudspeakers, and particularly relates to a bone conduction loudspeaker and a composite loudspeaker.
Background
The speakers in the prior art are mainly classified into an air conduction speaker and a bone conduction speaker. The air conduction speaker generates sound by vibration of the diaphragm and transmits the sound to human ears in an air transmission mode. Bone conduction speakers conduct sound through the principle of bone conduction. The air conduction speaker has the advantage of high audio separation and reproduction. Bone conduction is to transmit sound waves by using carriers such as skull, inner ear lymph and auditory nerve of a human, so that the human hears the sound. The bone conduction earphone is used, the ear is not required to be plugged, the ear is opened, damage to the eardrum is reduced, and the voice of the other party can be clearly heard even in noisy conditions.
The speaker in the prior art is a single air conduction speaker or a single bone conduction speaker, and thus cannot simultaneously combine the advantages of the two speakers.
Disclosure of Invention
The invention aims to provide a bone conduction loudspeaker and a composite loudspeaker, and aims to solve the technical problem that the loudspeaker in the prior art is a single air conduction loudspeaker or a single bone conduction loudspeaker and cannot have the advantages of the air conduction loudspeaker and the bone conduction loudspeaker.
In order to achieve the above object, the present invention provides a bone conduction speaker, including a base plate; the bone conduction speaker further includes:
the lower magnet is fixedly arranged on the bottom plate;
the lower coil is annularly arranged on the inner side of the lower magnet;
the upper magnet is fixedly arranged above the lower magnet; the lower magnet is separated from the upper magnet, a first magnetic gap is formed between the lower magnet and the upper magnet, and two magnetic poles at the upper side and the lower side of the first magnetic gap are opposite magnetic poles;
the upper coil is annularly arranged on the inner side of the upper magnet, and a through hole is formed in the upper coil;
the vibrating reed is suspended in the first magnetic gap, and the periphery of the vibrating reed is fixed between the upper magnet and the lower magnet;
the centering support piece is fixedly arranged above the upper magnet; and
the conducting piece is movably arranged in the through hole, the root of the conducting piece is fixedly connected to the vibrating piece, and the top of the conducting piece penetrates through the centering support piece.
Preferably, the conductor comprises:
the guide post is movably arranged in the through hole, the root part of the guide post is fixedly connected to the vibrating sheet, and the top part of the guide post penetrates through the centering support sheet; and
and the conducting piece is fixedly arranged at the top of the conducting guide column.
Preferably, the bone conduction speaker further comprises a first housing, and the lower magnet and the upper magnet are accommodated in the first housing.
Preferably, the first shell has a top opening and a bottom opening which are oppositely arranged, the periphery of the bottom plate is fixedly connected with the periphery of the bottom opening, and the periphery of the centering branch piece is fixedly connected with the periphery of the top opening.
Preferably, the bone conduction speaker further comprises a support member, the centering branch piece is fixedly arranged on the upper magnet, and the periphery of the centering branch piece is fixedly connected with the top of the support member.
Preferably, the bottom surface of the upper magnet is fixedly provided with an upper gasket, the top surface of the lower magnet is fixedly provided with a lower gasket, and the periphery of the vibrating reed is clamped between the upper gasket and the lower gasket.
Preferably, the vibrating piece is a metal vibrating piece or a metal composite vibrating piece; the centering support piece is an elastic piece or an elastic supporting component; the bottom plate is a lower polar plate or a first PCB; a top plate is fixedly arranged on the top surface of the upper magnet; the top plate is an upper pole plate or a shell extension part, and the shell extension part is fixedly connected with the inner wall of the first shell.
Preferably, the upper magnet is annular or strip-shaped; the number of the strip-shaped upper magnets is at least two and the upper magnets are symmetrically arranged; the lower magnet is annular or strip-shaped; the number of the strip-shaped lower magnets is at least two and the lower magnets are symmetrically arranged.
The present invention also provides a composite speaker, comprising:
an air conduction speaker, and
the bone conduction speaker is fixedly arranged on the air conduction speaker.
Preferably, the air conduction speaker has a second housing, a partition board is arranged in the second housing, and the partition board divides an internal cavity of the second housing into a first cavity and a second cavity; the bone conduction speaker is accommodated on the partition plate and is accommodated in the first cavity; the conduction piece extends out of the top wall of the first cavity, and a sound guide hole is formed in the top wall of the first cavity.
One or more technical solutions in the bone conduction speaker and the composite speaker provided by the embodiments of the present invention at least have one of the following technical effects:
1. when the bone conduction loudspeaker works, the upper coil and the lower coil generate a magnetic field after being electrified, and the vibrating piece vibrates and drives the conducting piece, so that an electric signal is converted into an audio signal; compared with a moving-coil bone conduction loudspeaker, the bone conduction loudspeaker has smaller loss in the signal conversion process, particularly high-frequency audio signals, so the bone conduction loudspeaker has the characteristic of good high-frequency performance;
2. because the moving-coil bone conduction loudspeaker in the prior art needs more space in the sounding process and air participates in the vibration process, the sound leakage phenomenon cannot be effectively controlled; compared with the moving-coil bone conduction loudspeaker in the prior art, the bone conduction loudspeaker is small in size, effectively reduces the area of an ear part, reduces the sound wave radiated to air, and reduces the sound leakage;
3. the composite loudspeaker combines the air conduction loudspeaker and the bone conduction loudspeaker, and the air conduction loudspeaker and the bone conduction loudspeaker can be switched with each other when in use, and have the advantages of the air conduction loudspeaker and the bone conduction loudspeaker; and this air conduction speaker is moving coil loudspeaker, has excellent bass performance, combines with this bone conduction speaker, can output full frequency channel high-resolution audio frequency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a bone conduction speaker according to embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of a bone conduction speaker according to embodiment 2 of the present invention.
Fig. 3 is a schematic structural diagram of a composite speaker according to embodiment 3 of the present invention.
Fig. 4 is a schematic structural diagram of a composite speaker according to embodiment 4 of the present invention.
Fig. 5 is a schematic structural diagram of a composite speaker according to embodiment 5 of the present invention.
Fig. 6 is a schematic structural diagram of a composite speaker according to embodiment 6 of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the invention.
Example 1
A bone conduction speaker 100 of the present embodiment includes a bottom plate 1112, a lower magnet 120, a lower coil 130, an upper magnet 140, an upper coil 150, a vibrating plate 160, a damper 190, and a conductor 170. The lower magnet 120 is fixed to the bottom plate 1112. The lower coil 130 is annularly disposed inside the lower magnet 120. The upper magnet 140 is fixedly disposed above the lower magnet 120. The lower magnet 120 is spaced apart from the upper magnet 140, a first magnetic gap 180 is formed between the lower magnet 120 and the upper magnet 140, and two magnetic poles on the upper and lower sides of the first magnetic gap 180 are opposite magnetic poles. In the present embodiment, the two magnetic poles are the S-pole 141 of the upper magnet 140 and the N-pole 121 of the lower magnet 120, respectively. The upper coil 150 is disposed around the inner side of the upper magnet 140, and a through hole is formed in the upper coil 150. The vibrating plate 160 is suspended in the first magnetic gap 180, and the periphery thereof is fixed between the upper magnet 140 and the lower magnet 120. The centering branch piece 190 is fixedly arranged above the upper magnet 140. The conductive member 170 is movably disposed in the through hole, the root thereof is fixedly connected to the vibration plate 160, and the top thereof passes through the centering branch 190.
When the bone conduction speaker 100 operates, the upper coil 150 and the lower coil 130 are energized to generate a magnetic field, and the vibration plate 160 vibrates and drives the conductor 170, thereby converting an electrical signal into an audio signal. Compared with a moving-coil bone conduction speaker, the bone conduction speaker 100 has less loss in a signal conversion process, especially high-frequency audio signals, so that the bone conduction speaker has the characteristic of good high-frequency performance.
Because the moving-coil bone conduction speaker needs more space in the sounding process and air participates in the vibration process, the sound leakage phenomenon cannot be effectively controlled. Therefore, compared to the moving coil bone conduction speaker of the prior art, the bone conduction speaker 100 has a small volume, effectively reduces the area of the ear part, and reduces the sound wave radiated to the air to reduce the sound leakage.
The conductive member 170 includes a conductive pillar 171 and a conductive sheet 172. The guiding post 171 is movably disposed in the through hole, the root thereof is fixedly connected to the vibrating plate 160, and the top thereof passes through the centering support 190. The conductive piece 172 is fixedly disposed on the top of the conductive pillar 171. In operation, the vibration generated by the vibration plate 160 is transmitted to the conductive plate 172 through the conductive pillar 171, and the conductive plate 172 transmits sound through the bone conduction principle. During this conduction, the signal loss is small.
The first housing 110 has a top opening and a bottom opening opposite to each other, the periphery of the bottom plate 1112 is fixedly connected to the periphery of the bottom opening, and the periphery of the centering branch piece 190 is fixedly connected to the periphery of the top opening.
The bone conduction speaker 100 further includes a support 143, the damper 190 is fixedly disposed on the upper magnet 140, and a periphery of the damper 190 is fixedly connected to a top of the support 143.
An upper pad 161 is fixedly disposed on a bottom surface of the upper magnet 140, a lower pad 162 is fixedly disposed on a top surface of the lower magnet 120, and a periphery of the vibrating reed 160 is clamped between the upper pad 161 and the lower pad 162. The upper pad 161 and the lower pad 162 function to fix the vibration plate 160 and suspend the vibration plate 160.
The vibrating reed 160 is a metal vibrating reed-metal composite vibrating reed. The centering support piece 190 is a spring piece, and the spring piece is a conductive spring piece. The centering branch piece 190 also plays a role of electrical connection, is made of a composite conductive material, is formed with a circuit thereon, and is provided with a plurality of sets of positive and negative electrode pads on the surface thereof. The power lines of the lower coil 130 and the upper coil 150 are connected to the conductive elastic sheet, and the conductive elastic sheet is connected with an external circuit, so that the circuit structure is simplified.
The bottom plate 1112 is a bottom plate. A top plate 142 is fixedly arranged on the top surface of the upper magnet 140. The top plate 142 is an upper plate. The upper magnet 140 has a ring shape. The lower magnet 120 has a ring shape.
Example 2
Referring to fig. 2, the difference between the present embodiment and embodiment 1 is: the bone conduction speaker 100 further includes a first housing 110, and the lower magnet 120 and the upper magnet 140 are accommodated in the first housing 110. The first housing 110 serves as a support. The centering branch piece 190 is an elastic supporting member. The vibrating reed 160 is a vibrating reed made of a metal composite material, and the vibrating reed made of the metal composite material is a vibrating reed made of a plastic material, and a metal coating is arranged on the surface of the vibrating reed, so that the vibrating reed has the characteristic of light weight. The bottom plate 1112 is a first PCB. The power lines of the lower coil 130 and the upper coil 150 are connected to the first PCB board, which is connected to an external circuit.
The top plate 142 is a housing extension. The housing extension is fixedly connected to the inner wall of the first housing 110.
The upper magnets 140, 140' are bar-shaped. The number of the upper magnets 140, 140 'in the shape of a bar is two, and the two upper magnets 140, 140' are symmetrically arranged. The lower magnets 120, 120' are bar-shaped. The number of the strip-shaped lower magnets 120, 120 'is two, and the two lower magnets 120, 120' are symmetrically arranged.
The rest of this embodiment is the same as embodiment 1, and the features not explained in this embodiment are explained by embodiment 1, which is not described again here.
Example 3
Referring to fig. 2 and 3, the present embodiment provides a composite speaker, which includes an air conduction speaker 200 and a bone conduction speaker 100 provided in embodiment 2. The bone conduction speaker 100 is fixedly installed on the air conduction speaker 200.
The air conduction speaker 200 includes a second housing 210, a magnetic unit 220a, a diaphragm 230, and a voice coil 240. The bone conduction speaker 100 is fixedly disposed on the second housing 210. The magnetic unit 220 is accommodated in the second housing 210, and a second magnetic gap 221 is formed in the magnetic unit 220. The diaphragm 230 is suspended in the second housing 210, and the periphery of the diaphragm is fixedly connected to the second housing 210. The voice coil 240 is fixedly connected to the diaphragm 230 and extends into the second magnetic gap 221.
When the air conduction speaker 200 operates, the voice coil 240 is energized to generate electromotive force and drive the diaphragm 230 to vibrate, thereby generating sound. The air conduction speaker 200 is a moving-coil speaker and has a characteristic of good low-frequency performance.
The magnet unit 220a includes a first U-iron 222a, a first magnet 223a, and a first washer 224 a. An extension portion 2221a extending outward is annularly arranged on the side wall of the first U-shaped iron 222a, and the side wall of the first U-shaped iron 222a is fixedly connected with the second housing 210 through the extension portion 2221 a. The periphery of the diaphragm 230 is fixedly connected to the first U-bar 222 a. The first magnet 223a is fixedly disposed on the first U-shaped iron 222a, and the second magnetic gap 221 is an annular gap formed by enclosing a side surface of the first magnet 223a and a side wall of the first U-shaped iron 222 a. The first magnet 223a forms a magnetic field in the second magnetic gap 221.
The first washer 224a is disposed on the top surface of the first magnet 223 a. The first washer 224a plays a role of magnetic conduction.
A fourth sound guide hole 211 is formed in the top wall of the second housing 210. The fourth sound guide hole 211 functions to guide sound to the outside.
The composite speaker combines the air conduction speaker 200 and the bone conduction speaker 100, and when the composite speaker is used, the air conduction speaker 200 and the bone conduction speaker 100 can be switched with each other, and meanwhile, the composite speaker has the advantages of the air conduction speaker 200 and the bone conduction speaker 100; and the air conduction speaker 200 is a moving coil speaker having an excellent bass performance, and can output a full-band high-resolution audio frequency after being combined with the bone conduction speaker 100.
Example 4
Referring to fig. 4, the difference between the present embodiment and embodiment 3 is: in the magnetic unit 220b provided in this embodiment, the extending portion 2221b of the first U-iron 222b is provided with a first sound guiding hole 22211, the first sound guiding hole 22211 is provided with a first tuning net 22212, and the first tuning net 22212 plays a role in tuning. A diaphragm support 22213 is further fixedly disposed on the first sound guide hole 22211, and the periphery of the diaphragm 230 is further fixedly connected with the diaphragm support 22213. The diaphragm holder 22213 functions to fix and support the diaphragm 230.
A second sound guiding hole 225 sequentially penetrates through the bottom wall of the first U-shaped iron 222b, the first magnet 223b and the first washer 224b, and specifically, the second sound guiding hole 225 is further located below the middle portion of the diaphragm 230, so that a further low-frequency effect can be achieved. A second tuning net 2251 is disposed on the second sound guiding hole 225. The second tuning net 2251 functions as a tuning net.
A second PCB 2222 is disposed on a bottom surface of the first U-shaped iron 222b, and the second sound guide hole 225 further penetrates through the second PCB 2222. The second PCB 2222 functions as a power supply. The power line of the bone conduction speaker 100 and the voice coil 240 are connected to the second PCB 2222 and then electrically connected to an external circuit.
The rest of this embodiment is the same as embodiment 3, and the features that are not explained in this embodiment are explained by embodiment 3, which is not described again here.
Example 5
Referring to fig. 5, the difference between the present embodiment and embodiment 3 is: the magnetic unit 220c provided by this embodiment includes a second U-shaped iron 222c, a second magnet 223c, a second washer 224c, a third magnet 226, a third washer 227, and a third PCB 228. The side wall of the second U-bar 222c is fixedly connected to the second housing 210, and the periphery of the diaphragm 230 is fixedly connected to the second U-bar 222 c. The second magnet 223c is fixed on the second U-shaped iron 222 c. The second washer 224c is disposed on the top surface of the second magnet 223 c. The third magnet 226 is annular, and is fixedly disposed on the second U-shaped iron 222c and is sleeved outside the second magnet 223c, the second magnetic gap 221 is an annular gap formed by the outer side surface of the second magnet 223c and the inner annular surface of the third magnet 226, and the third magnet 226 and the second magnet 223c form a magnetic field in the second magnetic gap 221. The magnetic unit 220c is a dual-magnetic type magnetic unit, so as to enhance the magnetic field. The third washer 227 is arranged on the top surface of the third magnet 226, and the third washer 227 plays a role of magnetic conduction. The third PCB 228 is fixedly disposed on the bottom surface of the second U-bar 222 c. The third PCB board 228 functions as a power supply.
A third sound guiding hole 229 sequentially penetrates through the third PCB 228, the bottom wall of the second U-bar 222c, the second magnet 223c and the second washer 224c, and the third sound guiding hole 229 is located below the middle portion of the diaphragm 230, so that a further low frequency effect can be achieved. A third tuning net 2291 is disposed on the third sound guide hole 229. The third tuning net 2291 plays a role of tuning.
The rest of this embodiment is the same as embodiment 3, and the features that are not explained in this embodiment are explained by embodiment 3, which is not described again here.
Example 6
Referring to fig. 6, the difference between the present embodiment and embodiment 5 is: a partition 212 is arranged in the second shell 210, and the internal cavity of the second shell 210 is divided into a first cavity 213 and a second cavity 214 by the partition 212; the bone conduction speaker 100 is accommodated on the partition 212 and in the first cavity 213; the conductive member 170 extends from the top wall of the first cavity 213, and a fifth sound guide hole 2131 is formed in the top wall of the first cavity 213.
The rest of this embodiment is the same as embodiment 5, and the features not explained in this embodiment are explained by embodiment 5, which is not described again here.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A bone conduction speaker comprising a chassis; it is characterized by also comprising:
the lower magnet is fixedly arranged on the bottom plate;
the lower coil is annularly arranged on the inner side of the lower magnet;
the upper magnet is fixedly arranged above the lower magnet; the lower magnet is separated from the upper magnet, a first magnetic gap is formed between the lower magnet and the upper magnet, and two magnetic poles at the upper side and the lower side of the first magnetic gap are opposite magnetic poles;
the upper coil is annularly arranged on the inner side of the upper magnet, and a through hole is formed in the upper coil;
the vibrating reed is suspended in the first magnetic gap, and the periphery of the vibrating reed is fixed between the upper magnet and the lower magnet;
the centering support piece is fixedly arranged above the upper magnet; and
the conducting piece is movably arranged in the through hole, the root of the conducting piece is fixedly connected to the vibrating piece, and the top of the conducting piece penetrates through the centering support piece.
2. The bone conduction speaker of claim 1, wherein the conductor comprises:
the guide post is movably arranged in the through hole, the root part of the guide post is fixedly connected to the vibrating sheet, and the top part of the guide post penetrates through the centering support sheet; and
and the conducting piece is fixedly arranged at the top of the conducting guide column.
3. The bone conduction speaker of claim 1, further comprising a first housing, the lower magnet and the upper magnet being housed within the first housing.
4. The bone conduction speaker of claim 3, wherein the first housing has a top opening and a bottom opening disposed opposite to each other, the periphery of the bottom plate is fixedly connected to the periphery of the bottom opening, and the periphery of the centering flap is fixedly connected to the periphery of the top opening.
5. The bone conduction speaker as claimed in claim 1, further comprising a support member, wherein the centering branch piece is fixedly disposed on the upper magnet, and a periphery of the centering branch piece is fixedly connected to a top portion of the support member.
6. The bone conduction speaker as claimed in claim 1, wherein an upper spacer is fixed to a bottom surface of the upper magnet, a lower spacer is fixed to a top surface of the lower magnet, and a peripheral edge of the vibration plate is clamped between the upper spacer and the lower spacer.
7. The bone conduction speaker according to any one of claims 1 to 6, wherein the vibration plate is a metal vibration plate or a metal composite vibration plate; the centering support piece is an elastic piece or an elastic supporting component; the bottom plate is a lower polar plate or a first PCB; a top plate is fixedly arranged on the top surface of the upper magnet; the top plate is an upper pole plate or a shell extension part, and the shell extension part is fixedly connected with the inner wall of the first shell.
8. The bone conduction speaker as claimed in any one of claims 1 to 6, wherein the upper magnet is ring-shaped or bar-shaped; the number of the strip-shaped upper magnets is at least two and the upper magnets are symmetrically arranged; the lower magnet is annular or strip-shaped; the number of the strip-shaped lower magnets is at least two and the lower magnets are symmetrically arranged.
9. A compound loudspeaker, comprising:
an air conduction speaker, and
the bone conduction speaker according to any one of claims 1 to 8, which is fixedly mounted on the air conduction speaker.
10. A compound speaker as claimed in claim 9, wherein the air conduction speaker has a second enclosure in which a partition is provided, the partition dividing an internal cavity of the second enclosure into a first cavity and a second cavity; the bone conduction speaker is accommodated on the partition plate and is accommodated in the first cavity; the conduction piece extends out of the top wall of the first cavity, and a sound guide hole is formed in the top wall of the first cavity.
CN202010060263.7A 2020-01-19 2020-01-19 Bone conduction speaker and compound speaker Pending CN111182426A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202010060263.7A CN111182426A (en) 2020-01-19 2020-01-19 Bone conduction speaker and compound speaker
PCT/CN2020/108412 WO2021143118A1 (en) 2020-01-19 2020-08-11 Bone conduction loudspeaker and composite loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010060263.7A CN111182426A (en) 2020-01-19 2020-01-19 Bone conduction speaker and compound speaker

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Publication Number Publication Date
CN111182426A true CN111182426A (en) 2020-05-19

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WO (1) WO2021143118A1 (en)

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Publication number Priority date Publication date Assignee Title
CN111654771A (en) * 2020-05-20 2020-09-11 头领科技(昆山)有限公司 Flat plate type bone conduction earphone with adjustable reception part
WO2021143118A1 (en) * 2020-01-19 2021-07-22 朱达云 Bone conduction loudspeaker and composite loudspeaker
WO2022213456A1 (en) * 2021-04-09 2022-10-13 深圳市韶音科技有限公司 Acoustic output apparatus
WO2023097740A1 (en) * 2021-11-30 2023-06-08 深圳市明悦达电声科技有限公司 Compound loudspeaker and sound production apparatus

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CN204810537U (en) * 2015-06-29 2015-11-25 瑞声光电科技(常州)有限公司 Loudspeaker
CN205232447U (en) * 2015-11-19 2016-05-11 歌尔声学股份有限公司 Bone conduction loudspeaker
WO2017123061A1 (en) * 2016-01-14 2017-07-20 주식회사 예일전자 Vibration output device and portable electronic device for outputting vibration
CN107948881A (en) * 2018-01-08 2018-04-20 深圳市韶音科技有限公司 A kind of bone-conduction speaker
CN111182426A (en) * 2020-01-19 2020-05-19 深圳市创想听力技术有限公司 Bone conduction speaker and compound speaker
CN111131943A (en) * 2020-01-19 2020-05-08 深圳市创想听力技术有限公司 Clamping type ear wearing device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021143118A1 (en) * 2020-01-19 2021-07-22 朱达云 Bone conduction loudspeaker and composite loudspeaker
CN111654771A (en) * 2020-05-20 2020-09-11 头领科技(昆山)有限公司 Flat plate type bone conduction earphone with adjustable reception part
CN111654771B (en) * 2020-05-20 2022-03-22 头领科技(昆山)有限公司 Flat plate type bone conduction earphone with adjustable reception part
WO2022213456A1 (en) * 2021-04-09 2022-10-13 深圳市韶音科技有限公司 Acoustic output apparatus
WO2022213458A1 (en) * 2021-04-09 2022-10-13 深圳市韶音科技有限公司 Acoustic output device
WO2023097740A1 (en) * 2021-11-30 2023-06-08 深圳市明悦达电声科技有限公司 Compound loudspeaker and sound production apparatus

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