CN107493552A - Loudspeaker and the mobile terminal with the loudspeaker - Google Patents
Loudspeaker and the mobile terminal with the loudspeaker Download PDFInfo
- Publication number
- CN107493552A CN107493552A CN201710909757.6A CN201710909757A CN107493552A CN 107493552 A CN107493552 A CN 107493552A CN 201710909757 A CN201710909757 A CN 201710909757A CN 107493552 A CN107493552 A CN 107493552A
- Authority
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- China
- Prior art keywords
- coil
- loudspeaker
- pair
- frame
- fixed
- 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
- H04R9/025—Magnetic circuit
-
- 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 invention discloses a kind of loudspeaker and the mobile terminal with the loudspeaker, the loudspeaker include：First coil, the second coil, frame, interior magnet steel, a pair of first outer steels, a pair of second outer steels and magnetic bowl.Wherein, first coil and the second coil, which integrate, is fixed together, and is together fixed on frame.Interior magnet steel, a pair of first outer steels and a pair of second outer steels are fixed on magnetic bowl.Magnetic bowl is fixed on side of the frame away from first coil, the second coil.When to loudspeaker provide change magnetic field when, first coil and second it is coil-induced to change magnetic field and produce induced-current, and then to battery progress wireless charging.The loudspeaker of the present invention and the mobile terminal with the loudspeaker, by the way that first coil and the second coil are shared into coil union into loudspeaker, realize charge function and loudspeaker function simultaneously, the inner space of mobile terminal is saved, complete machine cost is reduced, and improves the cruising time of battery.
Description
Technical field
The present invention relates to field of terminal technology, more particularly to a kind of loudspeaker and the mobile terminal with the loudspeaker.
Background technology
With the fast development of the mobile terminals such as mobile phone, and technology innovation is fast, mobile terminal product and linking Internet mouth
The market demand of product constantly expands.Due to the portability of mobile terminal product, the requirement of ultra-thin and ultra-light also more and more higher is existing
The mobile terminal such as mobile phone function it is stronger and stronger, and be integrated with considerable function, such as：Mobile phone continuation of the journey, wireless charging
Power technology turns into mobile phone hot spot technology.Existing mobile phone continuation of the journey, wireless charging function at least have the disadvantage that:1. cost is high；
2. complete machine thickness increases；3. complete machine portability is poor；4. cruising time is low.
The content of the invention
It is a primary object of the present invention to propose a kind of loudspeaker and with the loudspeaker mobile terminal, it is intended to solve into
The problem of this height, complete machine are thick, portability is poor, cruising time is low.
To achieve the above object, the present invention provides a kind of loudspeaker, and the loudspeaker includes：First coil, the second coil,
Frame, interior magnet steel, a pair of first outer steels, a pair of second outer steels and magnetic bowl, wherein, the first coil and described second
Coil is integrated to be fixed together, and is together fixed on the frame, the interior magnet steel, the pair of first outer steel and described
A pair of second outer steels are fixed on the magnetic bowl, and the magnetic bowl is fixed on the frame away from the first coil, the second line
The side of circle, when providing the loudspeaker magnetic field of change, the first coil and second coil-induced arrive change
Magnetic field and produce induced-current, and then to battery carry out wireless charging.
Optionally, the first coil includes vibrating diaphragm and the Wireless charging coil that is integrated among the vibrating diaphragm, and described the
Two coil includes loudspeaker coil, and the loudspeaker coil is fixed on the vibrating diaphragm.
Optionally, the first coil is flexible printed circuit board, or the winding of minor diameter copper cash.
Optionally, the vibrating diaphragm dispensing is fixed on the frame.
Optionally, in addition to upper cover plate, the frame of the upper cover plate is pressed on the vibrating diaphragm edge, and pushes down described first
Coil and second coil are fixed on the frame together.
Optionally, the upper cover plate has centre bore, when the upper cover plate is pressed in the first coil and second line
During circle, the Wireless charging coil of the first coil exposes to the upper cover plate through the centre bore.
Optionally, the first positive pole corresponding with the first coil and first negative is respectively equipped with the corner of the frame
Pole and the second positive pole corresponding with second coil and the second negative pole, when the first coil and the second coil sense
When should be to the magnetic field of change, the first coil completes wireless charging by first positive pole and the second negative pole, and described second
Coil completes wireless charging by second positive pole and second negative pole.
Optionally, the interior magnet steel is located in the centre position of the magnetic bowl, the pair of first outer steel and a pair the
Two outer steels are arranged on the four side edge of the magnetic bowl, and surround the interior magnet steel, and first outer steel and described second
Outer steel is arranged at intervals.
Optionally, first outer steel and second outer steel are in the structure similar to rectangle, and described first
The length and width of outer steel is more than the length and width of second outer steel.
In addition, to achieve the above object, the present invention also provides a kind of mobile terminal, it is characterised in that is raised including above-mentioned
Sound device.
Loudspeaker proposed by the present invention and the mobile terminal with the loudspeaker, first coil and the second coil is integrated solid
It is scheduled on together, and is together fixed on frame.Interior magnet steel, a pair of first outer steels and a pair of second outer steels are fixed on magnetic bowl
On.Magnetic bowl is fixed on side of the frame away from first coil, the second coil.When providing loudspeaker the magnetic field of change, first
Coil and second it is coil-induced to change magnetic field and produce induced-current, and then to battery carry out wireless charging.With existing skill
Art is compared, loudspeaker of the invention and the mobile terminal with the loudspeaker, by by first coil and the second coil bridging line
Enclose and be integrated in loudspeaker, while realize charge function and loudspeaker function, saved the inner space of mobile terminal, drop
Low complete machine cost, and improve the cruising time of battery.
Brief description of the drawings
Fig. 1 is the decomposing schematic representation of loudspeaker in present pre-ferred embodiments, and loudspeaker includes frame.
Fig. 2 is the front view of loudspeaker in Fig. 1.
Fig. 3 is the structural representation of the frame of loudspeaker in Fig. 1.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
As shown in figure 1, the decomposing schematic representation for loudspeaker in present pre-ferred embodiments.The loudspeaker of the present embodiment is main
Applied on the mobile terminals such as mobile phone, for converting electrical signals to mechanical movement, voice signal is then converted to.In Fig. 1, raise
Sound device include be distributed from top to bottom upper cover plate 10, first coil 20, the second coil 30, frame 40, interior magnet steel 50, a pair first
Outer steel 60, a pair of second outer steels 70 and magnetic bowl 80.Wherein, the second coil 30 is fixed on the vibrating diaphragm of first coil 20,
And be fixed on together with first coil 20 on frame 40, and the second coil 30 is fixed between first coil 20 and frame 40.Please
Fig. 2 is referred in the lump, and upper cover plate 10 is covered in first coil 20, and is fixed on frame 40, and upper cover plate 10 is with centre bore
Platy structure, so that surface of the first coil 20 away from frame 40 exposes to upper cover plate 10 through centre bore.Interior magnet steel
50th, a pair of first outer steels 60 and a pair of second outer steels 70 are fixed on magnetic bowl 80, and interior magnet steel 50, the and of the first outer steel 60
Second outer steel 70 is towards surface of the frame 40 away from the side of 20 and second coil of first coil 30.Magnetic bowl 80 is fixed on frame 40
Bottom surface, i.e.,：Surface of the frame away from the side of upper cover plate 10.The loudspeaker of the present embodiment is integrated with the line of first coil 20 and second
Circle 30, wireless charging and loudspeaker function can be integrated into loudspeaker, complete machine thickness is reduced while cost has been saved
Degree, and then improve the portability of product.
Specifically, upper cover plate 10 is fixed on frame 40 by hot melt.
In the present embodiment, first coil 20 is vibrating diaphragm 21 and Wireless charging coil 22, Wireless charging coil 22 therein
Can be that flexible printed circuit board (Flexible Printed Circuit, FPC) or minor diameter copper cash are wound, and
It is integrated in the top dome among vibrating diaphragm 21, that is to say, that vibrating diaphragm 21 is in similar to racetrack and surrounds Wireless charging coil 22.On
The frame of cover plate 10 is pressed on the edge of vibrating diaphragm 21 of first coil 20, to fix the coil 30 of first coil 20 and second, and wirelessly
Charge coil 22 exposes to upper cover plate 10 through the centre bore of upper cover plate 10.
Optionally, vibrating diaphragm 21 is fixed on frame 40 by dispensing.
Second coil 30 includes loudspeaker coil, and the loudspeaker coil is simultaneously adhered on vibrating diaphragm 21 by glue.
As shown in figure 3, the top view for loudspeaker.In figure 3, it is respectively equipped with the corner of frame 40 and first coil 20
The corresponding negative pole 44 of first positive pole 43 and first and with the 30 corresponding negative pole 42 of second positive pole 41 and second of the second coil.Canopy
The top surface of frame 40 is generally rectangular, and the first negative pole 44 and the second positive pole 41 are on a diagonal, the first positive pole 43 and second
Negative pole 42 is on another diagonal.
In the present embodiment, the first positive pole 43 is wireless charging positive pole, and the first negative pole 44 is wireless charging negative pole；Second just
Pole 41 is loudspeaker positive pole, and the second negative pole 42 is loudspeaker negative pole.
Interior magnet steel 50, a pair of first outer steels 60 and a pair of second outer steels 70 are fixed on magnetic by mode for dispensing glue respectively
On bowl 80.Wherein, interior magnet steel 50 is located at the centre position of magnetic bowl 80, and it is rectangular configuration.A pair of first outer steels 60 and a pair
Second outer steel 70 is arranged on the four side edge of magnetic bowl 80, and then magnet steel 50 in encirclement, and the first outer steel 60 and the second outer magnetic
Steel 70 is arranged at intervals.First outer steel 60 and the second outer steel 70 are in the structure similar to rectangle, and the first outer steel 60
Length and width is more than the length and width of the second outer steel 70.
The magnetic bowl 80 and interior magnet steel 50 being fixed on magnetic bowl, a pair of first outer steels 60 and a pair of second outer steels 70 are together
It is fixed on frame 40.
Optionally, magnetic bowl 80 is fixed on frame 40 by mode for dispensing glue.
Further, connecting hole 81 is additionally provided with magnetic bowl 80, to be incited somebody to action by the cooperation of the fastener such as connecting hole 81 and screw
Magnetic bowl 80 and frame 40 are fixed together.
During speaker operation, audio signal, the second coil 30 of energization are received by the second positive pole 41 and the second negative pole 42
Acted on, led to by Ampere's law in the magnetic field of interior magnet steel 50, a pair of first outer steels 60 and a pair of second outer steel 70 compositions
The electric signal for producing conversion is crossed, makes the second coil 30 influenced by different forces in magnetic field, promotes the vibrating diaphragm of first coil 20
21 and Wireless charging coil 22 move, promote air to produce acoustic pressure, complete the function of loudspeaker.Meanwhile vibrating diaphragm 21 and wireless charging
The vibration of electric coil 22, the Wireless charging coil 21 of top dome is integrated in interior magnet steel 50, a pair of first outer steels 60 and a pair
Cutting magnetic induction line in the magnetic field that two outer steels 70 are formed, Wireless charging coil 22 produce induced-current, pass through the He of the first positive pole 43
The wireless charging of first negative pole, 44 complete battery pair.That is, the wireless charging function of the loudspeaker of the present embodiment pass through it is outer
Boundary's equipment provides the magnetic field of change so that the coil 30 of first coil 20 and second senses the magnetic field of change, and then produces sensing
Electric current, and the wireless of 44 complete battery pair of the first positive pole 43 and the first negative pole is passed through by induced-current caused by first coil 20
Charging, and induced-current caused by the second coil 30 pass through the wireless charging of 42 complete battery pair of the second positive pole 41 and the second negative pole
Electricity, it is achieved thereby that during speaker operation, the rechargeable electrical energy of battery of mobile terminal can be provided, when improving the continuation of the journey of battery
Between.
Another preferred embodiment of the present invention provides a kind of mobile terminal, and the mobile terminal is comprised at least described in above-described embodiment
Loudspeaker, the present embodiment will not be repeated here.
Mobile terminal in the present embodiment can include such as mobile phone, tablet personal computer, notebook computer, palm PC, individual
Personal digital assistant (Personal Digital Assistant, PDA), portable media player (Portable Media
Player, PMP), guider, wearable device, Intelligent bracelet, the portable equipment such as pedometer.
Loudspeaker provided by the invention and the mobile terminal with the loudspeaker, by by the coil of first coil 20 and second
30 share coil unions into loudspeaker, while realize charge function and loudspeaker function, have saved the interior of mobile terminal
Portion space, complete machine cost is reduced, and improve the cruising time of battery.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements not only include those key elements, and
And also include the other element being not expressly set out, or also include for this process, method, article or device institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Other identical element also be present in the process of key element, method, article or device.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (10)
1. a kind of loudspeaker, it is characterised in that the loudspeaker includes：First coil, the second coil, frame, interior magnet steel, a pair
First outer steel, a pair of second outer steels and magnetic bowl, wherein, the first coil and second coil integrate and are fixed on one
Rise, and be together fixed on the frame, the interior magnet steel, the pair of first outer steel and the pair of second outer steel are consolidated
It is scheduled on the magnetic bowl, the magnetic bowl is fixed on side of the frame away from the first coil, the second coil, when to described
Loudspeaker provide change magnetic field when, the first coil and it is described second it is coil-induced to change magnetic field and produce induced electricity
Stream, and then wireless charging is carried out to battery.
2. loudspeaker according to claim 1, it is characterised in that the first coil includes vibrating diaphragm and is integrated in described shake
Wireless charging coil among film, second coil include loudspeaker coil, and the loudspeaker coil is fixed on the vibrating diaphragm
On.
3. loudspeaker according to claim 2, it is characterised in that the first coil is flexible printed circuit board, or
Minor diameter copper cash is wound.
4. loudspeaker according to claim 3, it is characterised in that the vibrating diaphragm dispensing is fixed on the frame.
5. loudspeaker according to claim 4, it is characterised in that be also pressed in including upper cover plate, the frame of the upper cover plate
On the vibrating diaphragm edge, and push down the first coil and second coil is fixed on the frame together.
6. loudspeaker according to claim 5, it is characterised in that the upper cover plate has centre bore, when the upper cover plate
When being pressed in the first coil and second coil, the Wireless charging coil of the first coil is exposed through the centre bore
In the upper cover plate.
7. loudspeaker according to claim 6, it is characterised in that be respectively equipped with the corner of the frame and described first
First positive pole corresponding to coil and the first negative pole and the second positive pole corresponding with second coil and the second negative pole, work as institute
State first coil and it is described second it is coil-induced to change magnetic field when, the first coil passes through first positive pole and second
Negative pole completes wireless charging, and second coil completes wireless charging by second positive pole and second negative pole.
8. loudspeaker according to claim 1, it is characterised in that the interior magnet steel is located in the interposition of the magnetic bowl
Put, the pair of first outer steel and a pair of second outer steels are arranged on the four side edge of the magnetic bowl, and surround the interior magnetic
Steel, and first outer steel and second outer steel are arranged at intervals.
9. loudspeaker according to claim 8, it is characterised in that first outer steel and second outer steel are in
Similar to the structure of rectangle, and the length and width of first outer steel is more than the length and width of second outer steel.
10. a kind of mobile terminal, it is characterised in that including the loudspeaker as described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710909757.6A CN107493552B (en) | 2017-09-29 | 2017-09-29 | Loudspeaker and mobile terminal with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710909757.6A CN107493552B (en) | 2017-09-29 | 2017-09-29 | Loudspeaker and mobile terminal with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107493552A true CN107493552A (en) | 2017-12-19 |
| CN107493552B CN107493552B (en) | 2021-01-22 |
Family
ID=60654122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710909757.6A Active CN107493552B (en) | 2017-09-29 | 2017-09-29 | Loudspeaker and mobile terminal with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107493552B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110912369A (en) * | 2019-12-07 | 2020-03-24 | 歌尔股份有限公司 | Electronic product and electronic product assembly |
| CN111869235A (en) * | 2018-02-06 | 2020-10-30 | 金东万 | Flat panel speaker having multi-layered and dual-track moving coil |
| CN112672256A (en) * | 2020-12-11 | 2021-04-16 | Oppo（重庆）智能科技有限公司 | Acoustic-electric conversion device and electronic equipment |
| WO2022006928A1 (en) * | 2020-07-06 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Sound generating device |
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| JP2010035297A (en) * | 2008-07-28 | 2010-02-12 | Fujifilm Corp | Charging unit, electronic equipment, imaging apparatus, and charging device |
| CN103260114A (en) * | 2012-02-17 | 2013-08-21 | 友泰讯科(北京)科技有限公司 | Miniature loudspeaker module applied on electronic product and electronic product |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111869235A (en) * | 2018-02-06 | 2020-10-30 | 金东万 | Flat panel speaker having multi-layered and dual-track moving coil |
| CN111869235B (en) * | 2018-02-06 | 2022-05-10 | 金东万 | Flat panel speaker having multi-layered and dual-track moving coil |
| CN110912369A (en) * | 2019-12-07 | 2020-03-24 | 歌尔股份有限公司 | Electronic product and electronic product assembly |
| WO2022006928A1 (en) * | 2020-07-06 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Sound generating device |
| CN112672256A (en) * | 2020-12-11 | 2021-04-16 | Oppo（重庆）智能科技有限公司 | Acoustic-electric conversion device and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107493552B (en) | 2021-01-22 |
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