CN109660926A - A kind of ultra thin handset loudspeaker made of printing voice coil - Google Patents
A kind of ultra thin handset loudspeaker made of printing voice coil Download PDFInfo
- Publication number
- CN109660926A CN109660926A CN201910151150.5A CN201910151150A CN109660926A CN 109660926 A CN109660926 A CN 109660926A CN 201910151150 A CN201910151150 A CN 201910151150A CN 109660926 A CN109660926 A CN 109660926A
- Authority
- CN
- China
- Prior art keywords
- voice coil
- vibrating membrane
- shaped portion
- printing
- ultra thin
- 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.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present invention relates to mobile phone pronunciation equipment technical fields, more particularly to a kind of ultra thin handset loudspeaker made of printing voice coil, shell including being equipped with sound hole, it is arranged in the intracorporal vibrating membrane of shell, the muti-piece magnet that two magnetic route structure is constituted below vibrating membrane is set, it is printed on the vibrating membrane and does cutting magnetic line movement in magnetic field after being powered to drive vibrating membrane vibration to generate the printing voice coil of sound, the fixation bracket that fixed vibrating membrane is equipped at vibrating membrane is corresponded in shell, support bracket fastened structure and shell, the structure of vibrating membrane is coincide, the thickness of loudspeaker is no more than 1.5mm, overall thickness controls within 1.5mm, and there is preferable audio.
Description
Technical field
The present invention relates to mobile phone pronunciation equipment technical fields, and in particular to it is a kind of with printing voice coil made of ultra thin handset raise
Sound device.
Background technique
Mobile phone is the most wide portable telephone terminal of current use scope, with advances in technology, the development in epoch, in order to
The use demand of the people is adapted to, the integrated level of mobile phone is higher and higher, and the thickness of mobile phone is also more and more thinner.Currently, in the market
There is 5.15mm thickness ultrathin mobile phone.For mobile phone industry, ultra thin handset is now or even following one important
Developing direction.Mobile phone is more and more thinner, corresponding, and the requirement to the component of interior of mobile phone is also higher and higher, more and more thinner.Such as hand
Machine loudspeaker, as an important component of mobile phone, present development trend requires mobile phone speaker to accomplish as far as possible thin, and
And also to have preferable sound quality.
Existing mobile phone speaker is all traditional coil-moving speaker and piezo-electric loudspeaker above existing market,
Traditional coil-moving speaker audio is although relatively good, but height is relatively high and needs to cooperate cavity, to occupy significantly
The space of mobile phone, and piezo-electric loudspeaker is although thin, but audio is poor, and needs to match dedicated driving chip and just may be used
With work, therefore, current mobile phone speaker is serious to constrain the development of mobile phone industry.
Summary of the invention
The technical problem to be solved by the present invention is in view of the foregoing drawbacks, provide a kind of ultra-thin hand made of printing voice coil
Machine loudspeaker, overall thickness control within 1.5mm, and have preferable audio.
The technical solution adopted by the present invention to solve the technical problems is as follows:
A kind of ultra thin handset loudspeaker made of printing voice coil, including being equipped with the shell of sound hole, being arranged in shell
Vibrating membrane, the muti-piece magnet that two magnetic route structure is constituted below vibrating membrane is set, after being printed with energization on the vibrating membrane
Cutting magnetic line movement is done in magnetic field to drive vibrating membrane vibration to generate the printing voice coil of sound, corresponds to vibrating membrane in shell
Place is equipped with the fixation bracket of fixed vibrating membrane, and support bracket fastened structure and the structure of shell, vibrating membrane are coincide, the thickness of loudspeaker
No more than 1.5mm.
Further, it is corresponded in the shell and is equipped with wiring board at vibrating membrane, wiring board and printing voice coil are electrically connected.
Further, the vibrating membrane with a thickness of 0.1mm, the material of vibrating membrane is TPU.
Further, the shell includes frame, the front cover that basin frame openings are arranged in, and sound hole is uniformly provided with
On front cover, frame is equipped with the magnetic circuit chamber of installation magnet, is that support bracket fastened stent cavity is arranged on front side of magnetic circuit chamber, support bracket fastened
The structure of structure and stent cavity is coincide.
Further, it offers on the fixation bracket and is set with the consistent hollow hole of vibrating membrane shape and structure, vibrating membrane
It sets in openwork hole, support bracket fastened material is SUS301.
Further, the printing voice coil is in the centre of double magnetic circuit.
Further, the wiring board is FPC.
Further, frame frame body rear portion corresponds to magnet side edge and spreads hot hole, the intracavitary corresponding heat release hole of magnetic circuit equipped with multiple
Place is equipped with Air Filter.
Further, the printing voice coil is formed by a continuously metal wire winding, and printing voice coil includes the
One back-shaped portion, the second back-shaped portion, intermediate back-shaped portion, curved portion, intermediate back-shaped portion are in the first back-shaped portion, in the second back-shaped portion
Between, the direction and the first back-shaped portion in intermediate back-shaped portion, the second back-shaped portion it is contrary, the both ends in the back-shaped portion in centre respectively with
First back-shaped portion, the second back-shaped portion inner end be correspondingly connected with, the first back-shaped portion, the outer end in the second back-shaped portion and curved portion both ends
It is correspondingly connected with.
Further, the D.C. resistance of the printing voice coil is 8 ohm.
The beneficial effects of the present invention are: using the above scheme, the thickness control of loudspeaker is in 1.5mm, also, loudspeaker
With preferable comprehensive audio, the actual use demand of mobile phone is more adapted to.
Detailed description of the invention
Through the following detailed description taken in conjunction with the accompanying drawings, present invention objects, features and advantages above-mentioned and other will become
Obviously.
Fig. 1 is the configuration schematic diagram of an embodiment of the present invention.
Fig. 2 is the structural schematic diagram of vibrating membrane in an embodiment of the present invention.
Fig. 3 is the structural schematic diagram in an embodiment of the present invention at frame.
Fig. 4 is the cross section structure schematic diagram of frame in an embodiment of the present invention.
Wherein: 1 is vibrating membrane, and 2 be magnet, and 3 be frame, and 31 be magnetic circuit chamber, and 32 be stent cavity, and 33 be heat release hole, before 4 are
Lid, 5 be fixed bracket, and 6 be printing voice coil, and 61 be the first back-shaped portion, and 62 be the second back-shaped portion, and 63 be intermediate back-shaped portion, and 64 are
Curved portion, 7 be FPC plate, and 8 be Air Filter.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
- Fig. 4 referring to Fig.1, it is a kind of with printing voice coil made of ultra thin handset loudspeaker, including be equipped with sound hole shell,
The intracorporal vibrating membrane 1 of shell is set, the muti-piece magnet 2 for constituting two magnetic route structure below vibrating membrane 1 is set, shell includes frame
3, front cover 4,3 upper surface of frame are opening, and the setting of front cover 4 coincide in opening, the structure and basin frame openings structure of front cover 4,
3 opening of frame is equipped with the front cover mounting groove coincideing with front-cover structure, and it is smooth flat to form one for frame front end face after front cover 4 is installed
Face opens up multiple equally distributed sound holes on front cover, is successively arranged magnetic circuit chamber 31, stent cavity 32, magnetic in frame from bottom to top
The number of iron 2 is six pieces, and six blocks of magnet 2 are divided into two groups and are bonded in magnetic circuit chamber 31, and two groups of magnet form two groups of magnetic in frame 3
Road, the interior fixation bracket 5 for being equipped with a SUS301 material of stent cavity 32, the shape and structure and stent cavity 31 of fixed bracket 5 coincide, Gu
Fixed rack 5 is embedded in stent cavity, and the middle part of fixed bracket 5 is equipped with a hollow hole, and vibrating membrane 1 is bonded in openwork hole, is vibrated
The shape and structure of film is consistent with the shape and structure structure of hollow hole, is printed with direct current by low temperature printing technique on vibrating membrane 1
Resistance is the printing voice coil 6 in 8 Europe, and vibrating membrane 1 is made of the TPU material of 0.1mm thickness, this vibrating membrane not only has preferable carrying
Ability, intensity also have preferable acoustical behavior, and printing voice coil 6 is printed upon on vibrating membrane, and cracky, does not print sound after energization
Circle 6 does cutting magnetic line movement to drive the vibration of vibrating membrane 1 to generate sound, since the intensity of vibrating membrane 1 is high, holds in magnetic field
Loading capability is strong, can carry the movement of printing voice coil to generating sound, have longer service life, and 0.1mm thick
TPU material vibrating membrane has preferable low frequency audio, so that this loudspeaker is had preferable low frequency audio, improves the sound of loudspeaker
It imitates, in this loudspeaker, prints the direct printing shaping of voice coil on vibrating membrane, form integral structure with vibrating membrane, greatly reduce
The thickness of loudspeaker, the thickness of loudspeaker are the thickness of shell, and the thickness of loudspeaker can be controlled within 1.5mm, compares
Existing mobile phone speaker is greatly reduced the thickness of loudspeaker, meets the application demand and developing direction of ultra thin handset, number
Block ndfeb magnet provides permanent magnetic, two magnetic route structure is constituted below vibrating membrane, and print voice coil 6 and be centered around double magnetic circuit
Centre generates better magnetoelectric induction efficiency, promotes the better sounding of vibrating membrane, and D.C. resistance is the printing voice coil 6 in 8 Europe, raises
The power of sound device can be played to maximum, acoustic pressure with higher, this loudspeaker is made to have preferable comprehensive audio, support bracket fastened
Material makes fixed bracket have preferable structural strength, light, and has preferable elasticity, and vibrating membrane is bonded lower hollow hole
Place, can be improved the pronunciation audio of vibrating membrane, promote to improve loudspeaker audio.
Printing voice coil 6 is formed by a continuously metal wire winding, and proportioned metal paste is printed to vibration
On film diaphragm, printed circuit then is formed using LED illumination solidified forming, printing voice coil 6 includes the first back-shaped portion 61, second times
Shape portion 62, intermediate back-shaped portion 63, curved portion 64, intermediate back-shaped portion 63 is in the centre in the first back-shaped portion 61, the second back-shaped portion 62
Place, contrary, the both ends in intermediate back-shaped portion 63 in the direction and the first back-shaped portion 61, the second back-shaped portion 62 in intermediate back-shaped portion 63
The inner end with the first back-shaped portion 61, the second back-shaped portion 62 is correspondingly connected with respectively, and the end of the vibrating membrane of curved portion side is arc
Structure, the first back-shaped portion 61, the outer end in the second back-shaped portion 62 and the both ends of curved portion 64 are correspondingly connected with, and print the winding knot of voice coil
Structure makes the enough numbers of plies of setting in a limited space, and loudspeaker is made to reach the frequency of setting, promotes to improve audio, prints voice coil
Tool correspond in frame and is equipped with FPC plate 7 at vibrating membrane there are two tie point, and FPC plate 7 is corresponding with two tie points of voice coil are printed
Electric connection, for printing voice coil power supply, arcuate structure convenient for identification vibrating membrane direction, be convenient for assembly manipulation, while for setting
FPC plate reserved space, front cover are equipped with the window for leaking out FPC plate 7, and convenient for power supply, front cover, frame form protection structure, protection
The components such as vibrating membrane, the side edge that the frame body rear portion of frame 3 corresponds to magnet spread hot hole 33 equipped with multiple, correspond to and dissipate in magnetic circuit chamber 31
Air Filter 8 is equipped at hot hole 33, for effectively radiating, Air Filter avoids external dust from entering, effectively guarantees hand heat release hole
Machine loudspeaker is in good working order.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is all according to
According to any simple modification to the above embodiments in technical spirit of the invention, equivalent variations, guarantor of the invention is each fallen within
Within the scope of shield.
Claims (10)
1. a kind of ultra thin handset loudspeaker made of printing voice coil, which is characterized in that shell, setting including being equipped with sound hole
In the intracorporal vibrating membrane of shell, it is arranged in and constitutes the muti-piece magnet of two magnetic route structure below vibrating membrane, prints on the vibrating membrane
Have and does cutting magnetic line movement in magnetic field after being powered to drive vibrating membrane vibration to generate the printing voice coil of sound, it is right in shell
The fixation bracket that fixed vibrating membrane is equipped at vibrating membrane is answered, support bracket fastened structure and the structure of shell, vibrating membrane are coincide, loudspeaking
The thickness of device is no more than 1.5mm.
2. a kind of ultra thin handset loudspeaker made of printing voice coil according to claim 1, which is characterized in that described
It is corresponded in shell and is equipped with wiring board at vibrating membrane, wiring board and printing voice coil are electrically connected.
3. a kind of ultra thin handset loudspeaker made of printing voice coil according to claim 1, which is characterized in that described
Vibrating membrane with a thickness of 0.1mm, the material of vibrating membrane is TPU.
4. a kind of ultra thin handset loudspeaker made of printing voice coil according to claim 1, which is characterized in that described
Shell includes frame, the front cover that basin frame openings are arranged in, and sound hole is uniformly provided on front cover, and frame is equipped with installation magnetic
The magnetic circuit chamber of iron, magnetic circuit chamber front side are that support bracket fastened stent cavity is arranged, and the structure of support bracket fastened structure and stent cavity is coincide.
5. a kind of ultra thin handset loudspeaker made of printing voice coil according to claim 1, which is characterized in that described
Offered on fixed bracket with the consistent hollow hole of vibrating membrane shape and structure, vibrating membrane setting is support bracket fastened in openwork hole
Material is SUS301.
6. a kind of ultra thin handset loudspeaker made of printing voice coil according to claim 1, which is characterized in that described
Printing voice coil is in the centre of double magnetic circuit.
7. a kind of ultra thin handset loudspeaker made of printing voice coil according to claim 2, which is characterized in that described
Wiring board is FPC.
8. a kind of ultra thin handset loudspeaker made of printing voice coil according to claim 4, which is characterized in that frame frame
Body rear portion corresponds to magnet side edge and spreads hot hole equipped with multiple, is equipped with Air Filter at the intracavitary corresponding heat release hole of magnetic circuit.
9. a kind of ultra thin handset loudspeaker made of printing voice coil according to claim 1, which is characterized in that described
Printing voice coil is formed by a continuously metal wire winding, and printing voice coil includes the first back-shaped portion, the second back-shaped portion, centre
Back-shaped portion, curved portion, intermediate back-shaped portion be in the middle in the first back-shaped portion, the second back-shaped portion, the direction in intermediate back-shaped portion and
First back-shaped portion, the second back-shaped portion it is contrary, the both ends in intermediate back-shaped portion respectively with the first back-shaped portion, the second back-shaped portion
Inner end is correspondingly connected with, and the both ends in the first back-shaped portion, the outer end in the second back-shaped portion and curved portion are correspondingly connected with.
10. a kind of ultra thin handset loudspeaker made of printing voice coil according to claim 1, which is characterized in that described
Printing voice coil D.C. resistance be 8 ohm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910151150.5A CN109660926A (en) | 2019-02-28 | 2019-02-28 | A kind of ultra thin handset loudspeaker made of printing voice coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910151150.5A CN109660926A (en) | 2019-02-28 | 2019-02-28 | A kind of ultra thin handset loudspeaker made of printing voice coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109660926A true CN109660926A (en) | 2019-04-19 |
Family
ID=66123306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910151150.5A Pending CN109660926A (en) | 2019-02-28 | 2019-02-28 | A kind of ultra thin handset loudspeaker made of printing voice coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109660926A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110049418A (en) * | 2019-04-24 | 2019-07-23 | 厦门圣德斯贵电子科技有限公司 | A kind of novel speaker arrangement |
| CN113490119A (en) * | 2021-05-20 | 2021-10-08 | 汉得利（常州）电子股份有限公司 | Sound membrane set, laminating jig, manufacturing method and sound production device |
| CN113630697A (en) * | 2021-06-17 | 2021-11-09 | 汉得利（常州）电子股份有限公司 | Signal sounder for automobile instrument and manufacturing method thereof |
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|---|---|---|---|---|
| CN1678131A (en) * | 2004-03-30 | 2005-10-05 | 三星电机株式会社 | Speaker for mobile terminal and manufacturing method thereof |
| JP2008294515A (en) * | 2007-05-22 | 2008-12-04 | Toyobo Co Ltd | Electroacoustic transducer |
| CN202068563U (en) * | 2011-05-19 | 2011-12-07 | 歌尔声学股份有限公司 | Vibration loudspeaker |
| CN203851256U (en) * | 2014-03-05 | 2014-09-24 | 歌尔声学股份有限公司 | Miniature loudspeaker |
| CN106954159A (en) * | 2017-05-11 | 2017-07-14 | 惠州超声音响有限公司 | A kind of super-thin plane magnetic film full frequency speaker |
| CN107135447A (en) * | 2016-02-29 | 2017-09-05 | 日本玛泰株式会社 | Functional membrane |
| CN207200959U (en) * | 2017-07-10 | 2018-04-06 | 歌尔股份有限公司 | A kind of sound-producing device, module and electronic equipment |
| CN207978118U (en) * | 2018-03-15 | 2018-10-16 | 捷音特科技股份有限公司 | Planar Voice Coil Speaker |
-
2019
- 2019-02-28 CN CN201910151150.5A patent/CN109660926A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1678131A (en) * | 2004-03-30 | 2005-10-05 | 三星电机株式会社 | Speaker for mobile terminal and manufacturing method thereof |
| JP2008294515A (en) * | 2007-05-22 | 2008-12-04 | Toyobo Co Ltd | Electroacoustic transducer |
| CN202068563U (en) * | 2011-05-19 | 2011-12-07 | 歌尔声学股份有限公司 | Vibration loudspeaker |
| CN203851256U (en) * | 2014-03-05 | 2014-09-24 | 歌尔声学股份有限公司 | Miniature loudspeaker |
| CN107135447A (en) * | 2016-02-29 | 2017-09-05 | 日本玛泰株式会社 | Functional membrane |
| CN106954159A (en) * | 2017-05-11 | 2017-07-14 | 惠州超声音响有限公司 | A kind of super-thin plane magnetic film full frequency speaker |
| CN207200959U (en) * | 2017-07-10 | 2018-04-06 | 歌尔股份有限公司 | A kind of sound-producing device, module and electronic equipment |
| CN207978118U (en) * | 2018-03-15 | 2018-10-16 | 捷音特科技股份有限公司 | Planar Voice Coil Speaker |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110049418A (en) * | 2019-04-24 | 2019-07-23 | 厦门圣德斯贵电子科技有限公司 | A kind of novel speaker arrangement |
| CN113490119A (en) * | 2021-05-20 | 2021-10-08 | 汉得利（常州）电子股份有限公司 | Sound membrane set, laminating jig, manufacturing method and sound production device |
| CN113490119B (en) * | 2021-05-20 | 2023-02-21 | 汉得利（常州）电子股份有限公司 | Sound membrane set, laminating jig, manufacturing method and sound production device |
| CN113630697A (en) * | 2021-06-17 | 2021-11-09 | 汉得利（常州）电子股份有限公司 | Signal sounder for automobile instrument and manufacturing method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190419 |