CN109451411A - Low interference player module and mobile terminal - Google Patents
Low interference player module and mobile terminal Download PDFInfo
- Publication number
- CN109451411A CN109451411A CN201811438646.2A CN201811438646A CN109451411A CN 109451411 A CN109451411 A CN 109451411A CN 201811438646 A CN201811438646 A CN 201811438646A CN 109451411 A CN109451411 A CN 109451411A
- Authority
- CN
- China
- Prior art keywords
- ground wire
- clearance zone
- player module
- low interference
- wire area
- 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.)
- Pending
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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
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/40—Arrangements for obtaining a desired directivity characteristic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a kind of low interference player modules, are applied to mobile terminal, and the low interference player module includes wiring board and installation assist side loudspeaker, and the wiring board includes clearance zone and ground wire area；The ground wire area is laid with ground wire, the not set ground wire of clearance zone, the clearance zone includes that the first empty regions and the second clearance zone that is adjacent with first clearance zone but deviating from the ground wire area, the loudspeaker close to the ground wire area are set to second clearance zone far from the ground wire area only.When hearing aid user is conversed with the mobile terminal for being equipped with low interference player module, the setting of clearance zone can be reduced ground wire bring electromagnetic interference, and call is caused to be distorted.Loudspeaker is parallel with several inductance coils simultaneously, increases the magnetic flux for being sent to hearing aid, increases effect of the electromagnetic wave to hearing aid inductance coil, increases the volume of hearing aid.The invention also discloses a kind of mobile terminals using low interference player module, and hearing aid user is facilitated to carry out mobile communication.
Description
Technical field
The present invention relates to communication fields, more particularly to a kind of low interference player module and mobile terminal.
Background technique
Currently, the user of hearing aid when using mobile phone, requires the gear switch of hearing aid to inductance phone
Mode (T grades) is directly close to the loudspeaker of mobile phone with hearing aid.In the process, hearing aid receives mobile phone and transmits
Electromagnetic signal, and electromagnetic signal is converted to telecommunications by the inductance coil inside hearing aid by the electromagnetic signal received
Number, then amplify sound to allow user that can hear sound via amplifying circuit.But multiple electricity are equipped on same wiring board
Road, when multiple circuits share ground wire, due to the impedance of ground wire, the low potential of a circuit will receive the modulation of another circuit,
Signal in one circuit can be coupled into another circuit, generate common impedance coupling phenomenon.In the circuit of mobile terminal,
Since the frequency of signal is higher, ground wire just has biggish impedance, is easy to produce coupling phenomenon.When wear hearing aid uses movement
Phone is communicated by T grades of hearing aid (inductance shelves) using mobile phone, because mobile phone can be right when there is coupling phenomenon
The transmission for influencing the electromagnetic wave of mobile terminal influences normal talking to will lead to the audio distortions heard in hearing aid.
Summary of the invention
For overcome the deficiencies in the prior art, one of the objects of the present invention is to provide the low interference of a kind of pair of hearing aid, energy
Enough improve the low interference player module of speech quality；
A kind of low interference player module is applied to mobile terminal, and the low interference player module includes wiring board and installation
In the loudspeaker of the wiring board, the wiring board includes clearance zone and ground wire area；The ground wire area is laid with ground wire, described net
The not set ground wire in dead zone, the clearance zone include only close to the ground wire area the first empty regions and with first clearance zone
The second clearance zone that is adjacent but deviating from the ground wire area, the loudspeaker are set to second clearance zone far from the ground wire
Area.
Further, the loudspeaker is set to the side in second clearance zone far from first clearance zone.
Further, the clearance zone is set to one end of the wiring board, and the ground wire area is set to the wiring board
The other end, and the clearance zone and ground wire area are disposed adjacent.
Further, the player module further includes several inductance coils, and several inductance coils are set to the line
Road plate and circular loudspeaker setting, several inductance coils and loudspeaker electric connection.
Further, the ground wire is the conductive material of copper, copper alloy.
Further, the player module further includes driving unit, the driving unit and the loudspeaker and the electricity
Feel coil to be electrically connected, to drive the inductance coil and the loudspeaker.
Further, the driving unit includes ground terminal, and the ground terminal is connected to the ground wire in the ground wire area.
Further, the wiring board is double-layered circuit board, and the ground wire area is formed in the opposite two sides of double-layered circuit board,
And the ground wire area on the two sides is symmetrical about the doubling plate；The clearance zone is formed in the opposite two sides of double-layered circuit board, and
The clearance zone on the two sides is symmetrical about the doubling plate.
Further, the line is busy that road plate suqare is equal for the ground wire area and the clearance zone.
A kind of mobile terminal, the mobile terminal include ontology, and the mobile terminal further includes that the claims are any
Low interference player module described in one, and the low interference player module is set to the ontology.
Compared with prior art, the beneficial effects of the present invention are: hearing aid users when carrying out mobile communication, reduces and moves
Dynamic interference of the terminal to hearing aid, the volume of hearing aid volume is bigger, and hearing aid user is allowed to lead to using mobile terminal
Better communication effect can be reached during words.
Detailed description of the invention
Fig. 1 is the low interference player module structural schematic diagram of first embodiment of the invention；
Fig. 2 is the circuit diagram of the loudspeaker module of first embodiment of the invention；
Fig. 3 is the structural schematic diagram of the mobile terminal of first embodiment of the invention；
In figure: 100, wiring board；101, ground wire area；102, clearance zone；110, the first clearance zone；111, driving unit；
112, the second clearance zone；200, mobile terminal；201, low interference player module；202, ontology.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
The present invention provides a kind of low interference player module and mobile terminal, ground wire is all set to the area far from loudspeaker
Domain, so that the interference to hearing aid is reduced, suitable for the user of wear hearing aid, so that the speech quality of hearing aid user obtains
To improvement.
3 be please see Figure as the structural schematic diagram of mobile terminal.Mobile terminal can be clamshell phone, and mobile terminal includes low dry
Disturb player module 201 and ontology 202.
Please refer to Fig. 1-Fig. 2, Fig. 1-Fig. 2 be respectively first embodiment low interference player module structural schematic diagram and
The circuit diagram of the loudspeaker module of first embodiment.Low interference player module 201 in the present embodiment, is mainly used in
Mobile terminal 200.Low interference player module 201 includes wiring board 100 and the loudspeaker L2 for installing assist side 100.Wiring board
100 include clearance zone 102 and ground wire area 101, and loudspeaker L2 is energy transducer of the mobile terminal earphone portions close to ear.Ground wire
Area 101 is laid with ground wire, the not set ground wire of clearance zone 102.Clearance zone 102 includes the first clearance zone 110 close to ground wire area 101
The second clearance zone 112 that is adjacent with the first clearance zone 110 but deviating from ground wire area 101.In the present embodiment, clearance zone 102 is set
It is placed in one end of wiring board 100, ground wire area 101 is set to the other end of wiring board 100, and 101 phase of clearance zone 102 and ground wire area
Neighbour's setting.It is to be appreciated that wiring board 100 is divided into clearance zone 102 and ground wire area 101.And it is only equipped with ground wire area 101
Ground wire.Specifically, the ground wire in ground wire area 101 is the copper foil being laid in ground wire area 101.
Loudspeaker L2 is set to the second clearance zone 112 far from ground wire area 101.Specifically, loudspeaker L2 is moved for exporting
The audio of dynamic terminal 200.For example, the audio that generates in telephone relation or while playing multimedia audio, generate audio.Wiring board
100 are equipped with the clearance zone 102 for laying ground wire and the ground wire area 101 for being laid with ground wire, and the whole ground region of wiring board 100 subtracts
Few, electromagnetic interference is reduced.The range of first clearance zone 110 is the range that loudspeaker L2 is not interfered by ground wire area 101.Wherein,
One clearance zone, 110 range is bigger, and loudspeaker L2 is remoter apart from ground wire area 101, and the formation in loudspeaker L2 and ground wire area 101 is reduced
The buffer distance of interference is bigger.It should be understood that user is answered during using mobile terminal 200 using hearing aid
Phone, electromagnetic wave have the first clearance zone 110 as can carry out ground wire and loudspeaker L2 during transmission is to hearing aid
Isolation, the interference in ground wire area 101 are also reduced.Reduce interference of the ground wire area 101 to electromagnetic wave, effectively increases the matter of call
Amount reduces distortion.
Loudspeaker L2 is far from ground wire area 101.That is loudspeaker L2 is farthest apart from ground wire area 101 and the line of demarcation of clearance zone 102,
The range of first clearance zone 110 reaches maximum, increases the distance between ground wire area 101, reduces electromagnetism to greatest extent
Interference effect of the field to hearing aid.
Preferably, player module further includes several inductance coil L1, several inductance coil L1 be set on wiring board and with
Circulating loudspeaker L2 setting, several inductance coil L1 and loudspeaker L2 are electrically connected.In the present embodiment, it is set beside loudspeaker L2
It is equipped with an inductance coil L1, and inductance coil L1 is connected in parallel with the circulating loudspeaker, by adding inductance coil L1, increased
The electromagnetic wave signal for the mobile terminal 200 that hearing aid can receive improves the quality for the electromagnetism audio that hearing aid receives.?
In some embodiments, the loudspeaker L2 of player module has several inductance coils L1 to reach around connection, electromagnetic wave signal is surrounded
The effect of one superposition, more preferably, volume is bigger, receives ground wire area 101 for communication effect when hearing aid uses mobile terminal 200
Interference effect it is smaller.
In the present embodiment, ground wire is the conductive material of copper, copper alloy.Specifically, being laid with a floor copper foil in ground wire area 101
The circuit ground of layer, loudspeaker L2 connection is connected by lead in this copper foil layer.
In the present embodiment, player module further includes driving unit 111, driving unit 111 and loudspeaker L2 and inductance coil
L1 is electrically connected, to drive inductance coil L1 and loudspeaker L2.Specifically, driving unit 111 includes two bi-directional voltage stabilizing pipes point
It is not that bi-directional voltage stabilizing pipe D1, bi-directional voltage stabilizing pipe D2 and resistance C1, resistance C2, the above bi-directional voltage stabilizing pipe D1 and resistance C1 are in parallel
It accesses driving unit 111 and bi-directional voltage stabilizing pipe D2 and resistance C2 parallel connection accesses driving unit, respectively constitute protection circuit, two
Parallel connection after circuit series connection is protected to access driving unit 111.It realizes the protection to loudspeaker module 110, while circuit being protected to access
Ground plane 101, to reach ground connection purpose, which is connected to ground wire area 101 by lead.
In some embodiments, driving unit 111 is located at ground wire area 101, and the directly ground wire with ground wire area 101 is connected
It connects, and lead is routed through the first clearance zone 110 and is connected to loudspeaker L2 and inductance coil positioned at the second clearance zone 112
L1.Reduce influence of the electromagnetism between the electronic component of driving unit 111 to hearing aid.
Preferably, wiring board 100 is double-layered circuit board, ground wire area is formed in the opposite two sides of double-layered circuit board, and two sides
Ground wire area it is symmetrical about doubling plate；Clearance zone is formed in the opposite two sides of double-layered circuit board, and the clearance zone on two sides is about double
Laminate is symmetrical.The equal of double-layered circuit board tow sides lays circuit, and circuit ground plane is still set to ground wire area 101, wiring board
The ground wire area 101 on 100 two sides is located at symmetrical about wiring board.Hearing aid unit 112 is arranged in clearance zone 102, opposite side
It is configured to clearance zone 102, reducing circuit ground end influences the use of hearing aid close to hearing aid unit 112.
In the present embodiment, ground wire area 101 and clearance zone 102 account for 100 area equation of wiring board.Specifically, wiring board 100
Shape is rectangle, and wherein the laying of 100 ground wire of wiring board need to meet EMC requirement, and experiment learns that ground wire area and clearance zone are equal after tested
While separated time road plate can guarantee that mobile terminal signal is good, there can be preferable speech quality when using hearing aid.
In another embodiment, the low interference player module 201 of mobile terminal 200 is additionally provided in addition to loudspeaker module 110
If charge reminder circuit, camera circuit and display screen circuit, the above dry circuit expansion body are arranged in ground wire area 101, and with ground
Line electrical connection, the interference for utmostly ensuring that hearing aid unit 112 is subject to is minimum, and hearing aid user is allowed to use mobile terminal
Better communication effect can be reached during being conversed.
The present invention can allow hearing aid user when carrying out mobile communication, reduce interference of the mobile terminal to hearing aid, help
It listens the volume of device volume bigger, allows hearing aid user that can reach better during conversing using mobile terminal
Communication effect.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (10)
1. a kind of low interference player module is applied to mobile terminal, it is characterised in that: the low interference player module includes route
Plate and the loudspeaker for being mounted on the wiring board, the wiring board include clearance zone and ground wire area；The ground wire area is laid with ground
Line, the not set ground wire of clearance zone, the clearance zone include only close to the ground wire area the first empty regions and with it is described
First clearance zone is adjacent but deviates from second clearance zone in the ground wire area, and the loudspeaker is set to second clearance zone with remote
From the ground wire area.
2. low interference player module as described in claim 1, it is characterised in that: the loudspeaker is set to second headroom
Far from the side of first clearance zone in area.
3. low interference player module as described in claim 1, it is characterised in that: the clearance zone is set to the wiring board
One end, the ground wire area is set to the other end of the wiring board, and the clearance zone and ground wire area are disposed adjacent.
4. low interference player module as described in claim 1, it is characterised in that: the player module further includes several inductor wires
Circle, several inductance coils be set to the wiring board and around the loudspeaker be arranged, several inductance coils with raise
Sound device is electrically connected.
5. low interference player module as described in claim 1, it is characterised in that: the ground wire is the conduction material of copper, copper alloy
Material.
6. low interference player module as described in claim 1, it is characterised in that: the player module further includes driving unit,
The driving unit and the loudspeaker and the inductance coil are electrically connected, to drive the inductance coil and the loudspeaking
Device.
7. low interference player module as described in claim 1, it is characterised in that: the driving unit includes ground terminal, described
Ground terminal is connected to the ground wire in the ground wire area.
8. low interference player module as described in claim 1, it is characterised in that: the wiring board is double-layered circuit board, described
Ground wire area is formed in the opposite two sides of double-layered circuit board, and the ground wire area on the two sides is symmetrical about the doubling plate；It is described net
Dead zone is formed in the opposite two sides of double-layered circuit board, and the clearance zone on the two sides is symmetrical about the doubling plate.
9. low interference player module as described in claim 1, it is characterised in that: the ground wire area and the clearance zone the line is busy road
Plate suqare is equal.
10. a kind of mobile terminal, the mobile terminal includes ontology, which is characterized in that the mobile terminal further includes such as right
It is required that low interference player module described in 1~9 any one, and the low interference player module is set to the ontology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811438646.2A CN109451411A (en) | 2018-11-28 | 2018-11-28 | Low interference player module and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811438646.2A CN109451411A (en) | 2018-11-28 | 2018-11-28 | Low interference player module and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109451411A true CN109451411A (en) | 2019-03-08 |
Family
ID=65555245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811438646.2A Pending CN109451411A (en) | 2018-11-28 | 2018-11-28 | Low interference player module and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109451411A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113691918A (en) * | 2021-09-04 | 2021-11-23 | 武汉左点科技有限公司 | Anti-electromagnetic interference method and device for hearing aid |
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| CN113691918A (en) * | 2021-09-04 | 2021-11-23 | 武汉左点科技有限公司 | Anti-electromagnetic interference method and device for hearing aid |
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