CN107809694B - A kind of osteoacusis sounding device of back-wear type bone conduction earphone - Google Patents
A kind of osteoacusis sounding device of back-wear type bone conduction earphone Download PDFInfo
- Publication number
- CN107809694B CN107809694B CN201711225377.7A CN201711225377A CN107809694B CN 107809694 B CN107809694 B CN 107809694B CN 201711225377 A CN201711225377 A CN 201711225377A CN 107809694 B CN107809694 B CN 107809694B
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- China
- Prior art keywords
- bone conduction
- osteoacusis
- rear cover
- sounding device
- wear type
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- 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 71
- 239000000463 material Substances 0.000 claims description 6
- 229920001875 Ebonite Polymers 0.000 claims description 3
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 210000003454 tympanic membrane Anatomy 0.000 description 2
- 208000009205 Tinnitus Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 231100000886 tinnitus Toxicity 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The present invention relates to a kind of osteoacusis sounding devices of back-wear type bone conduction earphone, including osteoacusis acoustical generator and its mounting portion;Mounting portion includes preceding capping and rear capping, and the inner wall of preceding capping is equipped with flange;Osteoacusis acoustical generator includes bone conduction vibrator and bone conduction vibrator fixed structure, and bone conduction vibrator fixed structure includes front cover and rear cover, and front cover is the tube structure for enveloping bone conduction vibrator front end, and the opening of capping is stretched out before mounting portion;Rear cover includes the rear cover cylinder for enveloping bone conduction vibrator rear end, and the support portion vertical with the barrel of rear cover cylinder on the barrel of rear cover cylinder is arranged in, be arranged in support portion external margin is parallel with the barrel of rear cover cylinder and the interconnecting piece that connect with flange.Bone conduction vibrator is consolidated and is installed in bone conduction vibrator fixed structure by osteoacusis sounding device of the present invention, and bone conduction vibrator fixed structure is connect with mounting portion, so that osteoacusis sounding device overall sound quality is good, clear sound.
Description
Technical field
The present invention relates to a kind of osteoacusis sounding devices of back-wear type bone conduction earphone, belong to ear speaker device technical field.
Background technique
Back-wear type earphone is worn on the head by support frame, and earpiece is attached to listening on ear, without filling in ear hole
It is interior, earplug plug bring sense of discomfort in ear is avoided, and traditional back-wear type earphone is done using the principle of air vibration
At, there are the following problems: (1) when the age becomes larger or lesion, and the ear-drum performance of people declines, hearing barrier will be generated to people
Hinder;(2) extraneous sound can not be heard using this earphone, and danger is easy to produce when driving or going across the road;(3) long-term big sound
Amount ground uses this earphone, has an impact to the ear-drum of people, can cause the tinnitus of people, seriously will cause Hearing.
The sound conduction of bone conduction earphone does not need ear vibration of membrane, not only improves comfort, but also protects listening for user
Power, moreover it is possible to make user not hear external voice directly, there is its unique superiority, but existing bone conduction earphone is lacked there are following
Fall into: (1) lower tone, sound are not clear enough;(2) bone conduction vibrator is displaced band spring plate by coil sounding and shakes, and is mounted on vibration
In sub- fixed structure built on the sand;(3) energy that bone conduction vibrator vibration generates has loss, and sound is made to leak outside;(4) exterior vibration sense
Greatly, wearing comfort is poor.
Summary of the invention
The technical problem to be solved by the present invention is there is technical issues that solve existing back-wear type earphone,
A kind of osteoacusis sounding device of back-wear type bone conduction earphone is provided.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of osteoacusis sounding device of back-wear type bone conduction earphone, including osteoacusis generator and its mounting portion;
The mounting portion is clamped and is formed by preceding capping and rear capping, is formed between preceding capping and rear capping for accommodating bone
The accommodating chamber of acoustical generator is conducted, there is opening on the preceding capping of the mounting portion, be provided with annular on the inner wall of the preceding capping
Flange;
The osteoacusis acoustical generator includes bone conduction vibrator and bone conduction vibrator fixed structure, and the bone conduction vibrator is fixed
Structure includes being mounted in the front cover of bone conduction vibrator front end for covering and being used to support the rear cover of bone conduction vibrator, and front cover is from described
The opening of preceding capping is stretched out;
The front cover is for pasting the tube structure for enveloping bone conduction vibrator front end on the skin;
The rear cover includes the rear cover cylinder for enveloping bone conduction vibrator rear end, is arranged on the barrel of the rear cover cylinder
The support portion vertical with the barrel of the rear cover cylinder, the external margin and the rear cover cylinder of the support portion are set
Barrel is parallel and interconnecting piece that connect with the flange.
Preferably, the front cover of the bone conduction vibrator fixed structure is the ebonite material of 2-3mm thickness, and the rear cover is flexible glue
Material.
Preferably, the radial width c of the support portion is 1.8-2.2mm, and the thickness d of the support portion is 0.3-0.5mm.
Preferably, the gap width a of the mounting portion and front cover is 0.1-0.3mm.
Preferably, the bottom wall diameter of the front cover is identical with the bottom wall diameter b of rear cover, is 13-15mm.
Preferably, the cylinder height f of the rear cover is 5-6mm.
Preferably, the radial width e of the interconnecting piece is 0.8-1.2mm.
Preferably, the distance between the support portion bottom surface and the bottom surface of bottom wall of rear cover g are 3.5-4mm.
Preferably, the height h of the flange is 1.5-1.8mm.
Preferably, the rear cover and bone conduction vibrator are interference fitted, magnitude of interference 0.03-0.05mm.
The beneficial effects of the present invention are:
The present invention relates to a kind of osteoacusis sounding devices of back-wear type bone conduction earphone, including osteoacusis acoustical generator and its peace
Dress portion, the bone conduction vibrator fixed structure of the osteoacusis acoustical generator include front cover and rear cover, and front cover is to envelope osteoacusis vibration
The tube structure of sub- front end, the opening of capping is stretched out before mounting portion;Rear cover includes after enveloping bone conduction vibrator rear end
The support portion vertical with the barrel of the rear cover cylinder on the barrel of the rear cover cylinder is arranged in cap tube body, is arranged in institute
State the interconnecting piece that the flange parallel with the barrel of the rear cover cylinder and with mounting portion of external margin of support portion is connect.This hair
Bone conduction vibrator is consolidated and is installed on bone conduction vibrator fixed structure by the osteoacusis sounding device of bright back-wear type bone conduction earphone
In, and bone conduction vibrator fixed structure is connected with the mounting portion of osteoacusis generator, so that osteoacusis sounding device exists
100HZ-250HZ low-frequency range, 450HZ-4KHZ sections and 5KHZ-13KHZ of high band overall sound quality is good, clear sound, especially
It is that treble portion is satisfactory, does not dry, chord is richer, and female voice more has telepresenc.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the osteoacusis sounding device of the back-wear type bone conduction earphone of the embodiment of the present invention;
Fig. 2 is the sectional view of the osteoacusis acoustical generator of the embodiment of the present invention;
Fig. 3 is that the osteoacusis sounding device of the embodiment of the present invention inputs the SPL curve graph under frequency in 100HZ-20KHZ;
Appended drawing reference in figure are as follows: the appended drawing reference in figure are as follows: 1- osteoacusis acoustical generator, 11- bone conduction vibrator, 12- bone
Conduct oscillator fixed structure, 121- front cover, 122- rear cover, 1221- rear cover cylinder, 1222- support portion, 1223- interconnecting piece, 2- peace
Dress portion, 221- flange.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
Embodiment
The present embodiment provides a kind of osteoacusis sounding devices of back-wear type bone conduction earphone, as shown in Figure 1, comprising: bone passes
Lead acoustical generator 1 and its mounting portion 2;
The mounting portion 2 is clamped and is formed by preceding capping and rear capping, is formed between preceding capping and rear capping for accommodating
The accommodating chamber of the components such as osteoacusis acoustical generator 1 and pcb board has opening on the preceding capping of the mounting portion 2, the preceding capping
The flange 221 of annular is provided on inner wall;
As shown in Fig. 2, the osteoacusis acoustical generator 1 includes bone conduction vibrator 11 and bone conduction vibrator fixed structure 12, institute
Stating bone conduction vibrator fixed structure 12 includes passing for covering to be mounted in the front cover 121 of 11 front end of bone conduction vibrator and be used to support bone
The rear cover 122 of oscillator 11 is led, front cover 121 is stretched out from the opening of the preceding capping;
The front cover 121 is the tube structure for enveloping 11 front end of bone conduction vibrator, and front cover 121 is for being attached to both sides of the head
On the cheek skin of ears, vibration can be passed to skull and pass to auricularis, wearer is made to hear sound;
The rear cover 122 envelopes the rear cover cylinder 1221 of 11 rear end of bone conduction vibrator, setting cap tube after described
The support portion 1222 vertical with the barrel of the rear cover cylinder 1221 on the barrel of body 1221 is arranged in the support portion 1222
External margin is parallel with the barrel of the rear cover cylinder 1221 and the interconnecting piece 1223 that connect with flange 221.
Preferably, the front cover 121 of the bone conduction vibrator fixed structure is the ebonite material of 2-3mm thickness, the rear cover 122
For soft rubber material, this design can enable the vibration of bone conduction vibrator effectively pass to auricularis, keep clear sound bright, especially make
Vocal sections are more clear.
Preferably, the radial width c of the support portion 1222 is 1.8-2.2mm, such as 1.8mm, 2mm, 2.2mm, the branch
The thickness d of support part 1222 is 0.3-0.5mm, such as 0.3mm, 0.4mm, 0.5mm.
Preferably, the gap width a of the mounting portion 2 and front cover 121 is 0.1-0.3mm, as 0.1mm, 0.2mm,
0.3mm。
Preferably, the bottom wall diameter 1211 of the front cover 121 is identical with the bottom wall diameter b of rear cover 122, is 13-15mm,
Such as 13mm, 14mm, 15mm.
Preferably, the radial width e of the interconnecting piece 1223 is 0.8-1.2mm, such as 0.8mm, 1mm, 1.2mm.
Preferably, the cylinder height f of the rear cover 122 is 5-6mm, such as 5mm, 5.5mm, 6mm.
Preferably, the distance between 1222 bottom surface of support portion and the bottom surface of bottom wall of rear cover 122 g are 3.5-4mm, such as
3.5mm、3.75mm、4mm。
Preferably, the height h of the flange 221 is 1.5-1.8mm, such as 1.5mm, 1.65mm, 1.8mm.
Preferably, the rear cover 122 is interference fitted with bone conduction vibrator 11, and magnitude of interference 0.03-0.05mm is further mentioned
The high stability of bone conduction vibrator installation.
Specifically, the front cover 121 of the osteoacusis acoustical generator is with a thickness of 2.5mm, the radial width c of support portion 1222
2mm, the thickness d of support portion 1222 are 0.4mm, and the gap width a of mounting end 22 and front cover 121 is, 0.2mm, front cover 121
Bottom wall diameter 1211 is identical with the bottom wall diameter b of rear cover 122, is 14mm, and the radial width e of interconnecting piece 1223 is 1mm, rear cover
122 cylinder height f is 5.5mm, and the distance between 1222 bottom surface of support portion and the bottom surface of bottom wall of rear cover 122 g are 3.75mm,
The height h of flange 221 is 1.65mm, when the magnitude of interference that rear cover 122 and bone conduction vibrator 11 are interference fitted is 0.04mm, by the bone
Conduction sounding device is connected on Bluetooth signal input unit, under the power of 1mW, is carried out input for 100HZ-20KHZ and is swept
Frequently, by BK artitificial ear test output signal, as a result see Fig. 3, as seen from Figure 3, the osteoacusis sounding device is in 100HZ-250HZ
Low-frequency range, 450HZ-4KHZ sections and 5KHZ-13KHZ of high band overall sound quality is good, clear sound, especially treble portion circle
It is full, it does not dry, chord is richer, and female voice more has telepresenc.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of osteoacusis sounding device of back-wear type bone conduction earphone, which is characterized in that including osteoacusis acoustical generator and its peace
Dress portion;
The mounting portion (2) is clamped and is formed by preceding capping and rear capping, is formed between preceding capping and rear capping for accommodating bone
The accommodating chamber of acoustical generator (1) is conducted, there is opening on the preceding capping of the mounting portion (2), be arranged on the inner wall of the preceding capping
There is the flange (221) of annular;
The osteoacusis acoustical generator (1) includes bone conduction vibrator (11) and bone conduction vibrator fixed structure (12), the osteoacusis
Oscillator fixed structure (12) includes being used to cover the front cover (121) for being mounted in bone conduction vibrator (11) front end and being used to support osteoacusis
The rear cover (122) of oscillator (11), front cover (121) are stretched out from the opening of the preceding capping;
The front cover (121) is for pasting the tube structure for enveloping bone conduction vibrator (11) front end on the skin;
The rear cover (122) envelopes the rear cover cylinder (1221) of bone conduction vibrator (11) rear end, is arranged in the rear cover
The support portion (1222) vertical with the barrel of the rear cover cylinder (1221) on the barrel of cylinder (1221) is arranged in the branch
The external margin of support part (1222) is parallel with the barrel of the rear cover cylinder (1221) and the company that connect with the flange (221)
Socket part (1223).
2. the osteoacusis sounding device of back-wear type bone conduction earphone according to claim 1, which is characterized in that the bone passes
The front cover (121) for leading oscillator fixed structure is the ebonite material of 2-3mm thickness, and the rear cover (122) is soft rubber material.
3. the osteoacusis sounding device of back-wear type bone conduction earphone according to claim 1 or 2, which is characterized in that described
The radial width c of support portion (1222) is 1.8-2.2mm, and the thickness d of the support portion (1222) is 0.3-0.5mm.
4. the osteoacusis sounding device of back-wear type bone conduction earphone according to claim 1, which is characterized in that the installation
The gap width a of portion (2) and front cover (121) is 0.1-0.3mm.
5. the osteoacusis sounding device of back-wear type bone conduction earphone according to claim 1, which is characterized in that the front cover
(121) bottom wall diameter (1211) is identical with the bottom wall diameter b of rear cover (122), is 13-15mm.
6. the osteoacusis sounding device of back-wear type bone conduction earphone according to claim 1, which is characterized in that the rear cover
(122) cylinder height f is 5-6mm.
7. the osteoacusis sounding device of back-wear type bone conduction earphone according to claim 1, which is characterized in that the connection
The radial width e in portion (1223) is 0.8-1.2mm.
8. the osteoacusis sounding device of back-wear type bone conduction earphone according to claim 1, which is characterized in that the support
The distance between the bottom surface of bottom wall of portion (1222) bottom surface and rear cover (122) g is 3.5-4mm.
9. the osteoacusis sounding device of back-wear type bone conduction earphone according to claim 1, which is characterized in that the flange
(221) height h is 1.5-1.8mm.
10. the osteoacusis sounding device of back-wear type bone conduction earphone according to claim 1, which is characterized in that after described
It covers (122) and bone conduction vibrator (11) to be interference fitted, magnitude of interference 0.03-0.05mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711225377.7A CN107809694B (en) | 2017-11-29 | 2017-11-29 | A kind of osteoacusis sounding device of back-wear type bone conduction earphone |
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CN201711225377.7A CN107809694B (en) | 2017-11-29 | 2017-11-29 | A kind of osteoacusis sounding device of back-wear type bone conduction earphone |
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CN107809694A CN107809694A (en) | 2018-03-16 |
CN107809694B true CN107809694B (en) | 2019-07-26 |
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CN201711225377.7A Expired - Fee Related CN107809694B (en) | 2017-11-29 | 2017-11-29 | A kind of osteoacusis sounding device of back-wear type bone conduction earphone |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109640205A (en) * | 2018-12-07 | 2019-04-16 | 深圳朗凡创新科技有限公司 | A kind of rubber vibrating diaphragm applied to osteoacusis sounding device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100921524B1 (en) * | 2008-07-03 | 2009-10-12 | 팜쉬주식회사 | Bone conductive headphone |
CN104936108A (en) * | 2015-06-11 | 2015-09-23 | 胡锦翔 | Bone conduction loudspeaker device |
CN205510353U (en) * | 2016-04-08 | 2016-08-24 | 任荟锜 | Head -mounted bone conduction earphone |
-
2017
- 2017-11-29 CN CN201711225377.7A patent/CN107809694B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100921524B1 (en) * | 2008-07-03 | 2009-10-12 | 팜쉬주식회사 | Bone conductive headphone |
CN104936108A (en) * | 2015-06-11 | 2015-09-23 | 胡锦翔 | Bone conduction loudspeaker device |
CN205510353U (en) * | 2016-04-08 | 2016-08-24 | 任荟锜 | Head -mounted bone conduction earphone |
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CN107809694A (en) | 2018-03-16 |
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