CN109246514A - A kind of wireless speakers and earphone - Google Patents
A kind of wireless speakers and earphone Download PDFInfo
- Publication number
- CN109246514A CN109246514A CN201811161996.9A CN201811161996A CN109246514A CN 109246514 A CN109246514 A CN 109246514A CN 201811161996 A CN201811161996 A CN 201811161996A CN 109246514 A CN109246514 A CN 109246514A
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- China
- Prior art keywords
- cavity
- shell
- wireless
- magnet core
- conducting magnet
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- 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
- H04R1/1033—Cables or cables storage, e.g. cable reels
-
- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention discloses a kind of wireless speakers and earphone, the enclosure interior of wireless speakers is equipped with partition, and the cavity of enclosure interior is divided into the first cavity and the second cavity that two are independently not communicated with by partition；Circuit unit, coil and the first conducting magnet core are installed in the second cavity；The audio output signal end of circuit unit is inputted by the both ends of coil, and coil is wound in the first conducting magnet core periphery；Second conducting magnet core and vibrating diaphragm are installed in the first cavity；Partition separates the first cavity and the second cavity, sound transmission is realized with wireless transmission method by two conducting magnet cores, eliminate any conducting wire connection structure and outgoing line sealing structure needed for loudspeaker, circuit unit is placed in the second cavity, so that the first cavity becomes interference of the independent acoustics cavity to avoid electronic device to loudspeaker, the consistency of loudspeaker acoustical behavior and the stability of sound quality have been fully ensured that.
Description
Technical field
The invention belongs to ear phone technology fields, specifically, being to be related to a kind of wireless speakers and earphone.
Background technique
On the market common horn single body no matter moving-coil, dynamic iron, piezoelectricity, be both needed to realize signal by conducting wire and circuit connection
Input is to realize the conversion of electroacoustic signal, but such monomer applications have the following problems when product: due to the reality of product
Assembly operation demand, conducting wire wire length cannot be too short, but longer loudspeaker conducting wire is difficult to control in the intracorporal state of earphone chamber, card line
Slot and gummed paper stickup all not can guarantee its reliability and consistency, and the cabling state of conducting wire in the cavity is to the frequency of horn single body
Loud and complete machine subjective sense of hearing can all have a negative impact；To guarantee product acoustical behavior and consistency, the outlet of loudspeaker conducting wire
Hole must be sealed, the method that common product uses gluing sealing, but glue class chemical article thoroughly parches and needs the time longer
And there are environmental issue, gluing amount is less to will lead to cavity gas leakage there are unstable factor, more to will affect sample assembly, with
On can all influence homogeneity of product and even influence properties of product.
Summary of the invention
This application provides a kind of wireless speakers and earphone, with the design of wireless audio frequency transmission function combination separate acoustic cavity,
Realize the technical effect of the consistency and sound quality stability that guarantee headphone acoustic performance.
In order to solve the above technical problems, the application is achieved using following technical scheme:
It is proposed a kind of wireless speakers, including shell, the enclosure interior is equipped with partition, and the partition is by the sky of the enclosure interior
Chamber is divided into the first cavity and the second cavity that two are independently not communicated with；Circuit unit, coil are installed in second cavity
With the first conducting magnet core；The audio output signal end of the circuit unit is inputted by the both ends of the coil, the coil winding
In the first conducting magnet core periphery；The second conducting magnet core and vibrating diaphragm are installed in first cavity.
Further, permanent-magnet materials layer is coated with towards the surface of second conducting magnet core on the vibrating diaphragm；Institute
It is the pole S that permanent-magnet materials layer, which is stated, towards the side of second conducting magnet core, and the other side of the permanent magnet material layer is the pole N.
Further, second conducting magnet core is fixed on the partition.
Further, it opens up the case inside of acoustic aperture, horn hood is installed in second cavity.
Further, the horn hood has soft magnetic material layer towards the side of the vibrating diaphragm.
Further, the shell includes first shell and second shell, and the second shell includes one open, and described the
The inner cavity of one shell forms first cavity；The first shell is set in the opening of the second shell, so that described
Cavity between the side of first shell and the second shell forms second cavity.
Further, first conducting magnet core and the second conducting magnet core are soft magnetic material production.
A kind of earphone is proposed, including wireless audio transmission module and above-mentioned wireless speakers；The wireless audio frequency transmission function mould
Block receives the audio signal that audio frequency apparatus is sent, and the audio signal is exported to the circuit unit.
Further, the earphone further includes power amplifier, and the power amplifier is electrically connected the output of the wireless audio transmission module
End；The output end of the power amplifier connects the circuit unit.
Further, the wireless audio transmission module is Bluetooth chip
Compared with prior art, the advantages of the application and good effect is: in the wireless speakers and earphone that the application proposes, wirelessly
Loudspeaker include shell, are equipped with partition in shell, and partition, which separates the intracorporal cavity of shell, to be independent and two not connected chambers
Body: the first cavity and the second cavity；The intracorporal circuit unit of second chamber believes the audio received from wireless audio transmission module
Number output is based on Faraday's electromagnetic induction law, the audio signal of variation can generate magnetic field, magnetic induction around coil to coil
Line is transmitted to first via the convergence of the first conducting magnet core and intracorporal second conducting magnet core of the first chamber with the leakage field state of very little
In cavity, vibrating diaphragm vibrates under the effect of the variation magnetic field of the second conducting magnet core, to realize the electric signal inputted in coil
The conversion of the acoustical signal given off to vibrating diaphragm；It is above-mentioned as it can be seen that partition in the application is by the first cavity and the second cavity point
It separates, sound transmission is realized with wireless transmission method by two conducting magnet cores, eliminates any conducting wire connection knot needed for loudspeaker
Structure and outgoing line sealing structure, circuit unit are placed in the second cavity so that the first cavity become independent acoustics cavity with
Electronic device is avoided to the interference of loudspeaker, has fully ensured that the consistency of loudspeaker acoustical behavior and the stability of sound quality.
After the detailed description of the application embodiment is read in conjunction with the figure, other features and advantages of the application will become more
Add clear.
Detailed description of the invention
Fig. 1 is the structure chart for the wireless speakers that the application proposes；
Fig. 2 is the structure chart for the wireless speakers that the application proposes；
Fig. 3 is the functional frame composition for the earphone that the application proposes.
Specific embodiment
The specific embodiment of the application is described in more detail with reference to the accompanying drawing.
The wireless speakers that the application proposes are equipped with partition 2 inside shell 1 as shown in Figure 1, include shell 1, and partition 2 is by shell
Cavity inside body 1 is divided into the first cavity 31 and the second cavity 32 that two are independently not communicated with；It is equipped in second cavity 32
Circuit unit 4, coil 5 and the first conducting magnet core 61；The audio output signal end of circuit unit 4 is inputted by the both ends of coil 5, line
Circle 5 is wound in 61 periphery of the first conducting magnet core；Second conducting magnet core 62 and vibrating diaphragm 7 are installed in first cavity 31；Vibration
Diaphragm 7 offers acoustic aperture on the shell 1 of 62 side of the second conducting magnet core；Ear muff 11 is socketed on the outside of shell 1.
It is above-mentioned as it can be seen that the application propose wireless speakers, partition 2 by shell 1 cavity separation be independent and mutually not
Two cavitys communicated: the first cavity 31 and the second cavity 32；Circuit unit 4 in second cavity 32 will be from wireless audio frequency transmission function
The audio signal that module receives is exported to coil 5, is based on Faraday's electromagnetic induction law, the audio signal of variation can be in coil
5 surroundings generate magnetic field, the line of magnetic induction via the second conducting magnet core 62 in the first conducting magnet core 61 and the first cavity 31 convergence,
It is transmitted in the first cavity 31 with the leakage field state of very little, vibrating diaphragm 7 is under the effect of the variation magnetic field of the second conducting magnet core 62
Vibration, to realize the conversion for the acoustical signal that the electric signal inputted in coil 5 gives off to vibrating diaphragm.
It is above-mentioned as it can be seen that the partition 2 in the application separates the first cavity 31 and the second cavity 32, by two conducting magnet cores
Sound transmission is realized with wireless transmission method, eliminates any conducting wire connection structure and outgoing line sealing structure needed for loudspeaker, electricity
Road component 4 is placed in the second cavity 32, so that the first cavity 31 becomes an independent acoustics cavity to avoid electronic device pair
The interference of loudspeaker, these measures have all fully ensured that the consistency of loudspeaker acoustical behavior and the stability of sound quality.
First conducting magnet core 61 and the second conducting magnet core 62 are made of soft magnetic material, using its high magnetic permeability, low are rectified
The characteristics of stupid power, realizes higher magnetic induction intensity under the conditions of lower external magnetic field, can transmit audio with the leakage field state of very little
Signal improves the energy conversion efficiency of wireless speakers.
Circuit unit 4 includes circuit board, realizes the necessary electronic devices of functions such as bluetooth, noise reduction；Electronic building brick and turn
The structural members such as axis are all set in the second cavity 32, are separated with the operatic tunes where loudspeaker namely the first cavity 31.
First conducting magnet core 61 is fixed on the inside of shell 1, on 62 stationary barrier 2 of the second conducting magnet core, court on vibrating diaphragm 7
It is coated with permanent-magnet materials layer to the surface of the second conducting magnet core 62, the side of permanent-magnet materials layer the second conducting magnet core of direction is S
Pole, the other side of permanent magnet material layer are the pole N.
Open up the case inside of acoustic aperture, horn hood 8 be installed in the second cavity, horn hood 8 towards vibrating diaphragm 7 one
Side has soft magnetic material layer, on the one hand realizes shielding action to extraneous magnetic interference, and on the other hand its magnet accumulating cap can be with
Further increase the energy conversion efficiency of wireless speakers.
As a preferred embodiment, as shown in Fig. 2, the shell that the application proposes includes first shell 11 and second shell
Indicated in body 12(diagram with different oblique line directions), second shell 12 includes one open, and the inner cavity of first shell 11 forms first
Cavity 31；First shell 11 is set in the opening of second shell 12, so that the side (left side in diagram) of first shell 11
Cavity between second shell 12 forms the second cavity 32, wherein the left side wall of first shell 11 constitutes partition 2 in diagram；
The structure of this first shell and second shell discrete design is conducive to installation and the wireless loudspeaker of entirety of wireless speakers all parts
Assembly helps to improve production efficiency.
Based on wireless speakers set forth above, the application also goes out a kind of earphone, as shown in figure 3, including wireless audio frequency transmission function
Module 9 and wireless speakers set forth above；Wireless audio transmission module 9 receives the audio signal that audio frequency apparatus is sent, and by sound
Frequency signal is exported to circuit unit 4.
The earphone that the application proposes further includes power amplifier 10, and power amplifier 10 is electrically connected the output end of wireless audio transmission module 9, function
Put 10 output end connection circuit unit 4.
In the embodiment of the present application, wireless audio transmission module 9 is Bluetooth chip, and Bluetooth chip receives the sound of wireless transmission
After frequency signal, it is sent to power amplifier 10 by necessary DSP processing in the chips, audio signal is further amplified power amplifier 10
There is provided sufficiently large signal for coil 5 makes it generate sufficiently strong variation magnetic field, and field drives are coated with the vibration of permanent-magnet materials
Diaphragm 7 vibrates, and converts electrical signals to acoustical signal output；The earphone realizes the wireless of horn single body signal source by electromagnetic induction
Independent acoustics cavity is realized in input, exempts the influence of conductor wiring and outlet hole sealing, utmostly ensure that earphone produces
The consistency and stability of product.
It should be noted that the above description is not a limitation of the present invention, the present invention is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made within the essential scope of the present invention, are also answered
It belongs to the scope of protection of the present invention.
Claims (10)
1. a kind of wireless speakers, which is characterized in that including shell, the enclosure interior is equipped with partition, and the partition is by the shell
The cavity in internal portion is divided into the first cavity and the second cavity that two are independently not communicated with；
Circuit unit, coil and the first conducting magnet core are installed in second cavity；The audio output of the circuit unit is believed
Number end is inputted by the both ends of the coil, and the coil is wound in first conducting magnet core periphery；
The second conducting magnet core and vibrating diaphragm are installed in first cavity.
2. wireless speakers according to claim 1, which is characterized in that towards the second magnetic conduction iron on the vibrating diaphragm
The surface of core is coated with permanent-magnet materials layer；The permanent-magnet materials layer towards the side of second conducting magnet core be the pole S, it is described
The other side of permanent magnet material layer is the pole N.
3. wireless speakers according to claim 1, which is characterized in that second conducting magnet core is fixed on the partition
On.
4. wireless speakers according to claim 1, which is characterized in that open up the case inside of acoustic aperture, in second chamber
Horn hood is installed in vivo.
5. wireless speakers according to claim 4, which is characterized in that the horn hood is towards the side of the vibrating diaphragm
With soft magnetic material layer.
6. wireless speakers according to claim 1, which is characterized in that the shell includes first shell and second shell,
The second shell includes one open, and the inner cavity of the first shell forms first cavity；The first shell is set to
In the opening of the second shell, so that the cavity between the side of the first shell and the second shell forms described
Two cavitys.
7. wireless speakers according to claim 1, which is characterized in that first conducting magnet core and the second conducting magnet core are
Soft magnetic material production.
8. a kind of earphone, which is characterized in that including wireless audio transmission module and as claim 1-7 is described in any item wireless
Loudspeaker；The wireless audio transmission module receives the audio signal that audio frequency apparatus is sent, and the audio signal is exported to institute
State circuit unit.
9. earphone according to claim 8, which is characterized in that the earphone further includes power amplifier, and the power amplifier is electrically connected institute
State the output end of wireless audio transmission module；The output end of the power amplifier connects the circuit unit.
10. earphone according to claim 8, which is characterized in that the wireless audio transmission module is Bluetooth chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811161996.9A CN109246514B (en) | 2018-09-30 | 2018-09-30 | Wireless loudspeaker and earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811161996.9A CN109246514B (en) | 2018-09-30 | 2018-09-30 | Wireless loudspeaker and earphone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109246514A true CN109246514A (en) | 2019-01-18 |
| CN109246514B CN109246514B (en) | 2020-05-08 |
Family
ID=65055497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811161996.9A Active CN109246514B (en) | 2018-09-30 | 2018-09-30 | Wireless loudspeaker and earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109246514B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112312265A (en) * | 2020-11-05 | 2021-02-02 | 深圳市讴鸟科技有限公司 | Tuning pressure relief structure and independent acoustic cavity |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85204121U (en) * | 1985-09-30 | 1986-07-30 | 赖晓威 | Voice-frequency batteryless radio earphone |
| CN2520086Y (en) * | 2001-11-22 | 2002-11-06 | 联想(北京)有限公司 | Phase inversion type bass loudspeaker casing |
| CN201039450Y (en) * | 2007-05-21 | 2008-03-19 | 郭清章 | Wireless earphone |
| CN201260241Y (en) * | 2008-08-19 | 2009-06-17 | 吴炽华 | 360 DEG omni-directional ultra-high-frequency loudspeaker |
| CN101662717A (en) * | 2008-08-29 | 2010-03-03 | 蒋明兴 | In-ear minitype rare earth moving iron type loudspeaker |
| CN103152679A (en) * | 2013-03-14 | 2013-06-12 | 胡宗科 | Electromagnetism transient magnetic loudspeaker |
| CN204392562U (en) * | 2014-12-29 | 2015-06-10 | 汉得利（常州）电子股份有限公司 | The two magnetic bone-conduction receiver loud speaker two-in-one device of a kind of double-driving |
| CN104796828A (en) * | 2015-05-04 | 2015-07-22 | 歌尔声学股份有限公司 | Speaker module |
| CN205123989U (en) * | 2015-11-19 | 2016-03-30 | 歌尔声学股份有限公司 | Bone conduction loudspeaker |
| CN205596326U (en) * | 2016-03-01 | 2016-09-21 | 歌尔股份有限公司 | Bone conduction speaker monomer, speaker module and earphone |
| CN106300495A (en) * | 2015-06-23 | 2017-01-04 | 台湾东电化股份有限公司 | Wireless charging device and charging method thereof |
| CN205902034U (en) * | 2016-08-05 | 2017-01-18 | 广州市立伟电子有限公司 | High -fidelity bluetooth headset |
-
2018
- 2018-09-30 CN CN201811161996.9A patent/CN109246514B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85204121U (en) * | 1985-09-30 | 1986-07-30 | 赖晓威 | Voice-frequency batteryless radio earphone |
| CN2520086Y (en) * | 2001-11-22 | 2002-11-06 | 联想(北京)有限公司 | Phase inversion type bass loudspeaker casing |
| CN201039450Y (en) * | 2007-05-21 | 2008-03-19 | 郭清章 | Wireless earphone |
| CN201260241Y (en) * | 2008-08-19 | 2009-06-17 | 吴炽华 | 360 DEG omni-directional ultra-high-frequency loudspeaker |
| CN101662717A (en) * | 2008-08-29 | 2010-03-03 | 蒋明兴 | In-ear minitype rare earth moving iron type loudspeaker |
| CN103152679A (en) * | 2013-03-14 | 2013-06-12 | 胡宗科 | Electromagnetism transient magnetic loudspeaker |
| CN204392562U (en) * | 2014-12-29 | 2015-06-10 | 汉得利（常州）电子股份有限公司 | The two magnetic bone-conduction receiver loud speaker two-in-one device of a kind of double-driving |
| CN104796828A (en) * | 2015-05-04 | 2015-07-22 | 歌尔声学股份有限公司 | Speaker module |
| CN106300495A (en) * | 2015-06-23 | 2017-01-04 | 台湾东电化股份有限公司 | Wireless charging device and charging method thereof |
| CN205123989U (en) * | 2015-11-19 | 2016-03-30 | 歌尔声学股份有限公司 | Bone conduction loudspeaker |
| CN205596326U (en) * | 2016-03-01 | 2016-09-21 | 歌尔股份有限公司 | Bone conduction speaker monomer, speaker module and earphone |
| CN205902034U (en) * | 2016-08-05 | 2017-01-18 | 广州市立伟电子有限公司 | High -fidelity bluetooth headset |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112312265A (en) * | 2020-11-05 | 2021-02-02 | 深圳市讴鸟科技有限公司 | Tuning pressure relief structure and independent acoustic cavity |
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| Publication number | Publication date |
|---|---|
| CN109246514B (en) | 2020-05-08 |
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