CN206212237U - A kind of Bypass devices of active noise reduction earphone - Google Patents
A kind of Bypass devices of active noise reduction earphone Download PDFInfo
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- CN206212237U CN206212237U CN201621222480.7U CN201621222480U CN206212237U CN 206212237 U CN206212237 U CN 206212237U CN 201621222480 U CN201621222480 U CN 201621222480U CN 206212237 U CN206212237 U CN 206212237U
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- noise reduction
- line
- switch group
- bypass
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Abstract
The utility model is related to the technical field of earphone, refers in particular to a kind of Bypass devices of active noise reduction earphone.It includes noise reduction unit, also includes phonation unit, the Bypass line modules for being connected with phonation unit, the noise reduction line module for being connected with noise reduction unit, the line-powered modules for being powered for noise reduction unit, cell switch group and the input switch group being connected with noise reduction unit；The cell switch group is connected with input switch group.When cell switch group connects electricity, cell switch group is jumped to and is connected with line-powered modules, and input switch group can be jumped to and is connected with noise reduction line module, and audio enters noise reduction unit by input switch group, enters back into phonation unit；When cell switch group does not connect electricity, the cell switch group is disconnected with line-powered modules, and input switch group is jumped to and is connected with Bypass line modules, and audio enters into Bypass line modules by input switch group, is directly entered phonation unit.
Description
Technical field
The utility model is related to the technical field of earphone, refers in particular to a kind of Bypass devices of active noise reduction earphone.
Background technology
Bypass, just can be by specific triggering state（Power-off is crashed）Two networks are allowed not pass through network security
The system of equipment, and directly physically turn on, so after having Bypass, after Network Security Device failure, can also allow
It is connected to the network mutual conduction in this equipment.
In the digital noise reduction of earphone, all it is designed using the decoding chip of DSP or carrying DSP, such chip is equal
Bypass functions are not carried, i.e., when earphone is not powered, the function of noise reduction is closed, and earphone can not listen to music.
Utility model content
The utility model provides a kind of Bypass devices of active noise reduction earphone for problem of the prior art, is dropped when opening
Make an uproar unit when, audio signal enters Dolby circuit, enters back into phonation unit；When noise reduction is closed, audio signal enters Bypass
Line module, is directly entered phonation unit, that is, turn off decrease of noise functions, and earphone remains to listen to music.
In order to solve the above-mentioned technical problem, the utility model is adopted the following technical scheme that：
A kind of Bypass devices of active noise reduction earphone that the utility model is provided, include noise reduction unit, also include
The phonation unit that is connected with noise reduction unit, for be connected with phonation unit Bypass line modules, for connecting with noise reduction unit
Noise reduction line module, the line-powered modules for being powered for noise reduction unit, cell switch group and the input switch group for connecing；Institute
Cell switch group is stated to be connected with input switch group.
Wherein, the phonation unit includes the first audio output circuit, the second audio output circuit and earth terminal.
Wherein, the Bypass line modules include the first physical circuit for being connected with the first audio output circuit and
Second physical circuit of the second audio output circuit connection and the 3rd physical circuit being connected with earth terminal.
Wherein, the noise reduction line module includes the first connecting line, the second connecting line and the 3rd connecting line.
Wherein, the line-powered modules include VCC line road and ground path.
Wherein, the cell switch group include the first cell switch for being connected with VCC line road and for ground connection
Second cell switch of connection.
Wherein, the input switch group includes first line switch, the second line switching and tertiary circuit switch；It is described
First line switch, the second line switching, tertiary circuit switch, the first cell switch and the second cell switch are connected.
The beneficial effects of the utility model：
A kind of Bypass devices of active noise reduction earphone that the utility model is provided, it is described when cell switch group connects electricity
Cell switch group is jumped to and is connected with line-powered modules, described because input switch group is connected with cell switch group
Input switch group can be jumped to and is connected with noise reduction line module, and audio enters noise reduction unit by input switch group, enters back into sounding
Unit；When cell switch group does not connect electricity, the cell switch group is disconnected with line-powered modules, and the input switch group is jumped to
It is connected with Bypass line modules, audio enters into Bypass line modules by input switch group, is directly entered phonation unit,
Decrease of noise functions is turned off, earphone remains to listen to music.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the Bypass devices of active noise reduction earphone of the present utility model.
Reference in Fig. 1 includes：
1-noise reduction unit, 2-phonation unit, 3-Bypass line modules
4-noise reduction line module 5-line-powered modules, 6-cell switch group
7-input switch group
21-the first audio output circuit the 22-the second audio output 23-earth terminal of circuit
31-the first the 33-the three physical circuit of the 32-the second physical circuit of physical circuit
41-the first the 43-the three connecting line of the 42-the second connecting line of connecting line
51-VCC line road, 52-ground path
61-the first the 62-the second cell switch of cell switch
71-first line switchs 72-the second 73-tertiary circuit of line switching switch.
Specific embodiment
For the ease of the understanding of those skilled in the art, further is made to the utility model with reference to embodiment and accompanying drawing
Explanation, the content that implementation method is referred to is not to restriction of the present utility model.The utility model is carried out below in conjunction with accompanying drawing 1
Detailed description.
A kind of Bypass devices of the active noise reduction earphone described in the present embodiment, include noise reduction unit 1, also include with
Noise reduction unit 1 connection phonation unit 2, for be connected with phonation unit 2 Bypass line modules 3, for noise reduction unit 1
The noise reduction line module 4 of connection, the line-powered modules 5 for being powered for noise reduction unit 1, cell switch group 6 and input are opened
Pass group 7；The cell switch group 6 is connected with input switch group 7.Specifically, when cell switch group 6 connects electricity, the electricity
Pond switches set 6 is opened and is connected with line-powered modules 5, because input switch group 7 is connected with cell switch group 6, institute
State input switch group 7 and can jump to and be connected as noise reduction unit 1 with noise reduction line module 4 and power, audio is entered by input switch group 7
Noise reduction unit 1, enters back into phonation unit 2；When cell switch group 6 does not connect electricity, the cell switch group 6 and line-powered modules
5 are disconnected, and the input switch group 7 is jumped to and is connected with Bypass line modules 3, and audio is entered into by input switch group 7
Bypass line modules 3, are directly entered phonation unit 2, that is, turn off decrease of noise functions, and earphone remains to listen to music.
A kind of Bypass devices of the active noise reduction earphone described in the present embodiment, the phonation unit 2 includes the first sound
Frequency outlet line 21, the second audio output circuit 22 and earth terminal 23.
A kind of Bypass devices of the active noise reduction earphone described in the present embodiment, the Bypass line modules 3 are included
Second physical cord of the first physical circuit 31 and the second audio output circuit 22 connection being connected with the first audio output circuit 21
Road 32 and the 3rd physical circuit 33 being connected with earth terminal 23.
A kind of Bypass devices of the active noise reduction earphone described in the present embodiment, the noise reduction line module 4 includes
One connecting line 41, the second connecting line 42 and the 3rd connecting line 43.
A kind of Bypass devices of the active noise reduction earphone described in the present embodiment, the line-powered modules 5 include VCC line
Road 51 and ground path 52.
A kind of Bypass devices of the active noise reduction earphone described in the present embodiment, the cell switch group 6 include for
The first cell switch 61 being connected with VCC line road 51 and the second cell switch 62 for being connected with ground path 52.Specifically,
When cell switch group 6 connects electricity, first cell switch 61 is opened and is connected with VCC line road 51, second cell switch 62
Opening is connected with ground path 52.
A kind of Bypass devices of the active noise reduction earphone described in the present embodiment, the input switch group 7 includes first
Line switching 71, the second line switching 72 and tertiary circuit switch 73；The 71, second line switching 72 of the first line switch,
Tertiary circuit switchs the 73, first cell switch 61 and the second cell switch 62 is connected.Specifically, when cell switch group 6 connects
When electric, first cell switch 61 is opened and is connected with VCC line road 51, and second cell switch 62 is opened and ground path 52
Connection, meanwhile, drive first line switch 71 is connected with the first connecting line 41, the second line switching 72 connects with the second connecting line 42
Connect, tertiary circuit switch 73 is connected with the 3rd connecting line 43 so that audio enters noise reduction unit 1 by input switch group 7, then enters
Enter phonation unit 2；When cell switch group 6 is powered off, the first cell switch 61 and the second cell switch 62 disconnect, meanwhile, drive
First line switch 71 jump to be connected with the first physical circuit 31, the second line switching 72 is jumped to and connected with the second physical circuit 32
Connect, tertiary circuit switch 73 is jumped to and is connected with the 3rd physical circuit 33 so that audio enters into Bypass by input switch group 7
Line module 3, is directly entered phonation unit 2, that is, turn off decrease of noise functions, and earphone remains to listen to music.
The above, is only the utility model preferred embodiment, not makees any formal to the utility model
Limitation, although the utility model is disclosed as above with preferred embodiment, but is not limited to the utility model, any to be familiar with sheet
Technical professional, is not departing from the range of technical solutions of the utility model, when the technology contents using the disclosure above are made
A little change is modified to the Equivalent embodiments of equivalent variations, as long as being without departing from technical solutions of the utility model content, foundation
The utility model technology refers to any simple modification, equivalent variations and the modification made to above example, belongs to this practicality
In the range of new technique scheme.
Claims (7)
1. a kind of Bypass devices of active noise reduction earphone, include noise reduction unit, it is characterised in that：Also include and noise reduction list
Phonation unit, the Bypass line modules for being connected with phonation unit, the noise reduction for being connected with noise reduction unit of unit's connection
Line module, the line-powered modules for being powered for noise reduction unit, cell switch group and input switch group；The battery is opened
Pass group is connected with input switch group.
2. Bypass devices of a kind of active noise reduction earphone according to claim 1, it is characterised in that：The phonation unit
Include the first audio output circuit, the second audio output circuit and earth terminal.
3. Bypass devices of a kind of active noise reduction earphone according to claim 2, it is characterised in that：The Bypass lines
Road module includes the second of the first physical circuit and the second audio output circuit connection being connected with the first audio output circuit
Physical circuit and the 3rd physical circuit being connected with earth terminal.
4. Bypass devices of a kind of active noise reduction earphone according to claim 1, it is characterised in that：The noise reduction circuit
Module includes the first connecting line, the second connecting line and the 3rd connecting line.
5. Bypass devices of a kind of active noise reduction earphone according to claim 1, it is characterised in that：The supply line
Module includes VCC line road and ground path.
6. Bypass devices of a kind of active noise reduction earphone according to claim 5, it is characterised in that：The cell switch
Group includes the first cell switch for being connected with VCC line road and the second cell switch for being connected with ground path.
7. Bypass devices of a kind of active noise reduction earphone according to claim 6, it is characterised in that：The input switch
Group includes first line switch, the second line switching and tertiary circuit switch；The first line switch, the second circuit are opened
Close, tertiary circuit switch, the first cell switch and the second cell switch are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621222480.7U CN206212237U (en) | 2016-11-14 | 2016-11-14 | A kind of Bypass devices of active noise reduction earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621222480.7U CN206212237U (en) | 2016-11-14 | 2016-11-14 | A kind of Bypass devices of active noise reduction earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206212237U true CN206212237U (en) | 2017-05-31 |
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ID=58752697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621222480.7U Active CN206212237U (en) | 2016-11-14 | 2016-11-14 | A kind of Bypass devices of active noise reduction earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206212237U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108401212A (en) * | 2018-01-25 | 2018-08-14 | 深圳聆迈科技有限公司 | The realization device and its method of a kind of 3D around audio |
| CN108632710A (en) * | 2018-05-11 | 2018-10-09 | 深圳市天微电子股份有限公司 | active noise reduction chip, device and method |
-
2016
- 2016-11-14 CN CN201621222480.7U patent/CN206212237U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108401212A (en) * | 2018-01-25 | 2018-08-14 | 深圳聆迈科技有限公司 | The realization device and its method of a kind of 3D around audio |
| CN108401212B (en) * | 2018-01-25 | 2024-02-02 | 深圳聆迈科技有限公司 | Device and method for realizing 3D surround sound effect |
| CN108632710A (en) * | 2018-05-11 | 2018-10-09 | 深圳市天微电子股份有限公司 | active noise reduction chip, device and method |
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