CN212278459U - Bone conduction loudspeaker - Google Patents
Bone conduction loudspeaker Download PDFInfo
- Publication number
- CN212278459U CN212278459U CN202021134546.3U CN202021134546U CN212278459U CN 212278459 U CN212278459 U CN 212278459U CN 202021134546 U CN202021134546 U CN 202021134546U CN 212278459 U CN212278459 U CN 212278459U
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- CN
- China
- Prior art keywords
- shell
- bone conduction
- casing
- groove
- housing
- 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.)
- Expired - Fee Related
Links
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 50
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052742 iron Inorganic materials 0.000 claims abstract description 11
- 239000002131 composite material Substances 0.000 claims description 6
- 239000002861 polymer material Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 239000012634 fragment Substances 0.000 abstract description 2
- VQOFJPFYTCHPTR-UHFFFAOYSA-N 1,3-dichloro-2-(3-chlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C(=CC=CC=2Cl)Cl)=C1 VQOFJPFYTCHPTR-UHFFFAOYSA-N 0.000 description 5
- 210000000860 cochlear nerve Anatomy 0.000 description 3
- 210000003027 ear inner Anatomy 0.000 description 3
- 210000003454 tympanic membrane Anatomy 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000000613 ear canal Anatomy 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 210000004880 lymph fluid Anatomy 0.000 description 1
- 210000002985 organ of corti Anatomy 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model provides a bone conduction loudspeaker, bone conduction loudspeaker includes shell fragment, shell, magnetic conduction iron shell includes first casing, second casing and third casing, be equipped with the air guide hole on the first casing, the air guide hole can reduce bone conduction loudspeaker internal sound pressure, the one end of second casing with first casing fixed connection, the other end of second casing with third casing fixed connection; the bone conduction loudspeaker is characterized in that a clamping hole and a side ring are formed in the elastic sheet, a mounting groove and a containing groove are formed in the shell, the magnet conduction iron shell is fixedly mounted in the containing groove, the elastic sheet is fixedly connected with the shell, the side ring is fixedly contained in the mounting groove, the clamping hole is fixedly clamped with the third shell, and the magnetic conduction iron shell and the air guide hole are reasonably arranged, so that the bone conduction loudspeaker is higher in sensitivity.
Description
Technical Field
The utility model relates to a bone conduction technical field especially relates to a bone conduction loudspeaker.
Background
Generally, a person can hear sounds divided into two types: air conduction and bone conduction. Air conduction is the vibration of air that transmits vibration to the eardrum through the external auditory meatus, and the vibration formed through the eardrum drives the human auditory nerve, thereby sensing sound. Bone conduction is to convert sound into mechanical vibration of different frequencies, which is directly transmitted to the inner ear through vibration of skin tissues and bones without passing through the external auditory canal and the eardrum to drive the auditory nerve of a human, specifically, the sound wave is transmitted through the skull, the bone labyrinth, the lymph fluid of the inner ear, the spiral organ, the auditory nerve and the auditory center of the human. The earphone made by using the bone conduction principle is called a bone conduction earphone, and the core component of the bone conduction earphone is a bone conduction vibration loudspeaker, also called a bone conduction loudspeaker. Although the existing bone conduction speaker is continuously improved and perfected, the problems of poor sound quality, poor sensitivity, relatively narrow sound range and the like still exist.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a bone conduction loudspeaker of tone quality is better, sensitivity is high, range of sound broad.
The utility model discloses a following technical scheme realizes:
the utility model provides a bone conduction loudspeaker, bone conduction loudspeaker includes shell fragment, shell, magnetic conduction iron shell includes first casing, second casing and third casing, be equipped with the air guide hole on the first casing, the air guide hole can reduce bone conduction loudspeaker internal sound pressure, the one end of second casing with first casing fixed connection, the other end of second casing with third casing fixed connection; the shell piece is provided with a clamping hole and a side ring, the shell is provided with a third mounting groove and a containing groove, the magnet guiding shell is fixedly mounted in the containing groove, the shell piece is fixedly connected with the shell, the side ring is fixedly contained in the third mounting groove, and the clamping hole is fixedly clamped with the third shell.
Further, the bone conduction loudspeaker further comprises a coil, a first mounting groove is formed in the first shell, and the coil is fixedly arranged on the first mounting groove.
Further, bone conduction loudspeaker still includes the magnet piece, establish the second mounting groove in the second casing, the magnet piece fixed placement is in on the second mounting groove, the coil surrounds the magnet piece periphery.
Further, bone conduction loudspeaker still include the washer piece, the washer piece with magnet piece fixed connection.
Furthermore, a limit groove is formed in the shell, and one end of the coil is contained in the limit groove.
Furthermore, bone conduction loudspeaker still include the PCB board, be equipped with the wire guide on the shell, the PCB board fixed mounting be in on the shell, the internal line passes through the wire guide welds on the PCB board.
Further, the shell is made of a microporous composite polymer material, a groove is formed in the inner wall of the shell in an ascending mode, and the groove can play a sound absorption effect.
The utility model has the advantages that:
the magnetic conductive iron shell of the bone conduction loudspeaker is fixedly connected with the elastic sheet to form the vibrator part, the vibrator part is fixedly connected with the shell to form the whole loudspeaker, and the magnetic conductive iron shell is provided with the air guide holes, so that the internal sound pressure of the bone conduction loudspeaker can be effectively reduced, the elastic vibration of the elastic sheet is better, and the sound quality of the bone conduction loudspeaker is effectively improved; the shell is made of a microporous composite high polymer material, so that the sound leakage value of the bone conduction loudspeaker is greatly reduced, and the sound range can be compared with that of a traditional acoustic loudspeaker; reasonable magnetic conduction design, the coil can fully cut the magnetic induction line, and the effective vibration power is greatly improved, so that the sensitivity of the bone conduction loudspeaker is higher.
Drawings
Fig. 1 is an exploded view of the bone conduction speaker of the present invention;
fig. 2 is a schematic structural view of the bone conduction speaker of the present invention;
fig. 3 is a schematic structural diagram of the magnetic conductive iron case of the present invention.
Detailed Description
In order to more clearly and completely explain the technical scheme of the present invention, the present invention is further explained with reference to the attached drawings.
Referring to fig. 1-3, the present invention provides a bone conduction speaker, which includes a spring plate 10, a housing 23, and a magnetic conductive iron shell 13, wherein the magnetic conductive iron shell 13 includes a first shell 14, a second shell 15, and a third shell 16, the first shell 14 is provided with an air vent 17, the air vent 17 can reduce the sound pressure inside the bone conduction speaker, one end of the second shell 15 is fixedly connected to the first shell 14, and the other end of the second shell 15 is fixedly connected to the third shell 16; the spring plate 10 is provided with a clamping hole 11 and a side ring 12, the shell 23 is provided with a third mounting groove 26 and a receiving groove 24, the magnet guiding shell 13 is fixedly mounted in the receiving groove 24, the spring plate 10 is fixedly connected with the shell 23, the side ring 12 is fixedly received in the third mounting groove 26, and the clamping hole 11 is fixedly clamped with the third shell 16. The bone conduction speaker further comprises a coil 22, wherein the first mounting groove 18 is formed in the first shell 14, and the coil 22 is fixedly arranged on the first mounting groove 18. The bone conduction speaker further comprises a magnet block 20, a second mounting groove 19 is formed in the second shell 15, the magnet block 20 is fixedly mounted on the second mounting groove 19, and the coil 22 surrounds the periphery of the magnet block 20. The bone conduction loudspeaker further comprises a washer piece 21, and the washer piece 21 is fixedly connected with the magnet block 20. A limiting groove 25 is formed in the housing 23, and one end of the coil 22 is accommodated in the limiting groove 25.
In this embodiment, the first casing 14, the second casing 15, and the third casing 16 are concentric casings, the spring 10 is a high-elasticity spring, the coil 22 is a large coil of pure copper, and the magnet conductive casing 13 is a steel ferrite casing. The limiting groove 25 is formed in the shell 23, the lower end of the coil 22 is inserted into the limiting groove 25, so that the coil 22 is fixed in the shell 23, then the magnet block 20 and the washer 21 are placed in the coil 22, at this time, the magnet guide shell 13 is fixedly connected with the shell 23, the coil 22 is contained in the first installation groove 18, the coil 22 is attached to the inside of the first shell 14, and the magnet block 20 is contained in the second installation groove 19. The end face of the first shell 14 is provided with a circle of air guide holes 17, and the air guide holes 17 are arranged to reduce the sound pressure inside the bone conduction speaker. The size of the engaging hole 11 of the resilient tab 10 is just matched with the size of the third casing 16, when the resilient tab 10 is fixedly connected to the housing 23, the third casing 16 can just be engaged with the engaging hole 11, and the side ring 12 of the outer ring of the resilient tab 10 is also just fixedly mounted on the third mounting groove 26.
Further, the bone conduction speaker further comprises a PCB 27, the housing 23 is provided with a wire guide hole 28, the PCB 27 is fixedly mounted on the housing 23, and the internal circuit is welded to the PCB 27 through the wire guide hole 28.
In the present embodiment, the lead wire of the coil 22 is led out from the lead hole 28 to the PCB 27 and soldered to the PCB 27.
Further, the shell 23 is made of a microporous composite polymer material, the shell is made of a microporous composite polymer material, a groove is formed in the inner wall of the shell in an ascending mode, and the groove can play a sound absorption effect.
In this embodiment, the housing 23 made of the microporous composite polymer material has many micropores, so as to effectively suppress sound waves in the air, and greatly reduce the sound leakage value of the bone conduction speaker.
Of course, the present invention can also have other various embodiments, and based on the embodiments, those skilled in the art can obtain other embodiments without any creative work, and all of them belong to the protection scope of the present invention.
Claims (7)
1. The bone conduction loudspeaker is characterized by comprising an elastic sheet, a shell and a magnetic conduction iron shell, wherein the magnetic conduction iron shell comprises a first shell, a second shell and a third shell, a gas guide hole is formed in the first shell and can reduce the sound pressure in the bone conduction loudspeaker, one end of the second shell is fixedly connected with the first shell, and the other end of the second shell is fixedly connected with the third shell; the shell piece is provided with a clamping hole and a side ring, the shell is provided with a third mounting groove and a containing groove, the magnet guiding shell is fixedly mounted in the containing groove, the shell piece is fixedly connected with the shell, the side ring is fixedly contained in the third mounting groove, and the clamping hole is fixedly clamped with the third shell.
2. The bone conduction horn of claim 1, further comprising a coil, wherein a first mounting slot is defined in the first housing, and wherein the coil is fixedly seated on the first mounting slot.
3. The bone conduction horn of claim 2, further comprising a magnet block, a second mounting groove is formed in the second housing, the magnet block is fixedly mounted in the second mounting groove, and the coil surrounds an outer periphery of the magnet block.
4. The bone conduction horn of claim 3, further comprising a washer piece, wherein the washer piece is fixedly connected to the magnet block.
5. The bone conduction horn of claim 2, wherein a limiting groove is provided in the housing, and one end of the coil is received in the limiting groove.
6. The bone conduction horn of claim 1, further comprising a PCB board, wherein the housing is provided with a wire hole, the PCB board is fixedly mounted on the housing, and the internal circuit is soldered to the PCB board through the wire hole.
7. The bone conduction horn of claim 1, wherein the housing is made of a microporous composite polymer material, and a groove is formed in an inner wall of the housing, and the groove can play a sound absorption role.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021134546.3U CN212278459U (en) | 2020-06-17 | 2020-06-17 | Bone conduction loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021134546.3U CN212278459U (en) | 2020-06-17 | 2020-06-17 | Bone conduction loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212278459U true CN212278459U (en) | 2021-01-01 |
Family
ID=73883001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021134546.3U Expired - Fee Related CN212278459U (en) | 2020-06-17 | 2020-06-17 | Bone conduction loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212278459U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022236739A1 (en) * | 2021-05-10 | 2022-11-17 | 苏州索迩电子技术有限公司 | Bone conduction sound generating apparatus and wearable device |
-
2020
- 2020-06-17 CN CN202021134546.3U patent/CN212278459U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022236739A1 (en) * | 2021-05-10 | 2022-11-17 | 苏州索迩电子技术有限公司 | Bone conduction sound generating apparatus and wearable device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210101 |