CN204929259U - Debugging device of making an uproar falls in bluetooth headset - Google Patents
Debugging device of making an uproar falls in bluetooth headset Download PDFInfo
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- CN204929259U CN204929259U CN201520553058.9U CN201520553058U CN204929259U CN 204929259 U CN204929259 U CN 204929259U CN 201520553058 U CN201520553058 U CN 201520553058U CN 204929259 U CN204929259 U CN 204929259U
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- divider resistance
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Abstract
The utility model belongs to the technical field of the earphone debugging, especially, relate to a debugging device of making an uproar falls in bluetooth headset. The embodiment of the utility model provides an in, debugging device of making an uproar falls in bluetooth headset is through setting up 7 buttons to reaching the divider resistance who matches with the button, only need connecing bluetooth headset's a AD end, through pressing different buttons, for bluetooth headset's the different magnitude of voltages of AD end, bluetooth headset falls the debugging of making an uproar under multiple voltage gear, improved so greatly and fallen the comprehensive of debugging of making an uproar.
Description
Technical field
The utility model belongs to earphone debugging technique field, particularly relates to a kind of noise reduction debugging apparatus of bluetooth earphone.
Background technology
Earphone is as a kind of converting unit, and it accepts the electric signal that media player or receiver send, and utilize the loud speaker of ear to convert it into the sound wave that can hear, therefore, earphone is widely used in the middle of daily life.
And produce earphone process in, to earphone carry out noise reduction test be must through one link, noise reduction test can reduce the impact of noise on human body.
Current bluetooth earphone, when the noise reduction debugging of complete machine, because of the restriction of the input port of periphery, only has 1 I/O confession to select to go to debug complete machine, therefore, existing bluetooth earphone can only carry out noise reduction debugging under two kinds of voltage gears, and such noise reduction debugging limitation is large, not accurately.
Utility model content
The object of the utility model embodiment is the noise reduction debugging apparatus providing a kind of bluetooth earphone, and being intended to solve present bluetooth earphone can only carry out noise reduction debugging under two kinds of voltage gears, there is limitation large, accurate not problem.
The utility model embodiment is achieved in that a kind of noise reduction debugging apparatus of bluetooth earphone, and connect the A/D end of bluetooth earphone, the noise reduction debugging apparatus of described bluetooth earphone comprises:
Divider resistance R1, divider resistance R2, divider resistance R3, divider resistance R4, divider resistance R5, divider resistance R6, divider resistance R7, divider resistance R8, divider resistance R9, button S1, button S2, key S3, button S4, key S5, button S6 and button S7;
Described divider resistance R2, divider resistance R3, divider resistance R4, divider resistance R5, divider resistance R6, divider resistance R7, divider resistance R8 and button S7 are serially connected between the A/D end of described bluetooth earphone and ground successively, between the A/D that described divider resistance R1 is connected to power vd D and bluetooth earphone holds, described divider resistance R9 is connected between the A/D end of bluetooth earphone with ground;
Between the public connecting end that described button S1 is connected to described divider resistance R2 and divider resistance R3 and ground, between the public connecting end that described button S2 is connected to described divider resistance R3 and divider resistance R4 and ground, between the public connecting end that described button S3 is connected to described divider resistance R4 and divider resistance R5 and ground, between the public connecting end that described button S4 is connected to described divider resistance R5 and divider resistance R6 and ground, between the public connecting end that described button S5 is connected to described divider resistance R6 and divider resistance R7 and ground, between the public connecting end that described button S6 is connected to described divider resistance R7 and divider resistance R8 and ground.
In said structure, described divider resistance R1 adopts 12K Ω.
In said structure, described divider resistance R2 adopts 1.5K Ω.
In said structure, described divider resistance R3 adopts 2K Ω.
In said structure, described divider resistance R4 adopts 3K Ω.
In said structure, described divider resistance R5 adopts 4.3K Ω.
In said structure, described divider resistance R6 adopts 7.5K Ω.
In said structure, described divider resistance R7 adopts 18K Ω.
In said structure, described divider resistance R8 adopts 68K Ω.
In the utility model embodiment, the noise reduction debugging apparatus of bluetooth earphone is by arranging 7 buttons, and the divider resistance to match with button, only need the A/D end connecing bluetooth earphone, by pressing different buttons, hold different magnitude of voltage to the A/D of bluetooth earphone, bluetooth earphone carries out noise reduction debugging under multiple voltage gear, substantially increases the comprehensive of noise reduction debugging like this.
Accompanying drawing explanation
Fig. 1 is the circuit structure diagram of the noise reduction debugging apparatus of the bluetooth earphone that the utility model embodiment provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 shows the circuit structure of the noise reduction debugging apparatus of the bluetooth earphone that the utility model embodiment provides, and for convenience of explanation, illustrate only the part relevant to the utility model embodiment.
A noise reduction debugging apparatus for bluetooth earphone, connect the A/D end of bluetooth earphone, the noise reduction debugging apparatus of described bluetooth earphone comprises:
Divider resistance R1, divider resistance R2, divider resistance R3, divider resistance R4, divider resistance R5, divider resistance R6, divider resistance R7, divider resistance R8, divider resistance R9, button S1, button S2, key S3, button S4, key S5, button S6 and button S7;
Described divider resistance R2, divider resistance R3, divider resistance R4, divider resistance R5, divider resistance R6, divider resistance R7, divider resistance R8 and button S7 are serially connected between the A/D end of described bluetooth earphone and ground successively, between the A/D that described divider resistance R1 is connected to power vd D and bluetooth earphone holds, described divider resistance R9 is connected between the A/D end of bluetooth earphone with ground;
Between the public connecting end that described button S1 is connected to described divider resistance R2 and divider resistance R3 and ground, between the public connecting end that described button S2 is connected to described divider resistance R3 and divider resistance R4 and ground, between the public connecting end that described button S3 is connected to described divider resistance R4 and divider resistance R5 and ground, between the public connecting end that described button S4 is connected to described divider resistance R5 and divider resistance R6 and ground, between the public connecting end that described button S5 is connected to described divider resistance R6 and divider resistance R7 and ground, between the public connecting end that described button S6 is connected to described divider resistance R7 and divider resistance R8 and ground.
As the utility model one embodiment, described divider resistance R1 adopts 12K Ω.
As the utility model one embodiment, described divider resistance R2 adopts 1.5K Ω.
As the utility model one embodiment, described divider resistance R3 adopts 2K Ω.
As the utility model one embodiment, described divider resistance R4 adopts 3K Ω.
As the utility model one embodiment, described divider resistance R5 adopts 4.3K Ω.
As the utility model one embodiment, described divider resistance R6 adopts 7.5K Ω.
As the utility model one embodiment, described divider resistance R7 adopts 18K Ω.
As the utility model one embodiment, described divider resistance R8 adopts 68K Ω.
Under indicate the corresponding relation of button and voltage gear:
| Total voltage 1.8V | When pressing S1 | When pressing S2 | When pressing S3 | When pressing S4 | When pressing S5 | When pressing S6 | When pressing S6 |
| burn | L_UP | L_DN | R_UP | R_DN | FF | FB | |
| Resistance 12K | 1.5K | 2K | 3K | 4.3K | 7.5K | 18K | 68K |
| Theoretical voltage value | 0.2V | 0.41V | 0.63V | 0.85V | 1.09V | 1.35V | 1.61V |
In the utility model embodiment, the noise reduction debugging apparatus of bluetooth earphone is by arranging 7 buttons, and the divider resistance to match with button, only need the A/D end connecing bluetooth earphone, by pressing different buttons, hold different magnitude of voltage to the A/D of bluetooth earphone, bluetooth earphone carries out noise reduction debugging under multiple voltage gear, substantially increases the comprehensive of noise reduction debugging like this.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (9)
1. a noise reduction debugging apparatus for bluetooth earphone, connect the A/D end of bluetooth earphone, it is characterized in that, the noise reduction debugging apparatus of described bluetooth earphone comprises:
Divider resistance R1, divider resistance R2, divider resistance R3, divider resistance R4, divider resistance R5, divider resistance R6, divider resistance R7, divider resistance R8, divider resistance R9, button S1, button S2, key S3, button S4, key S5, button S6 and button S7;
Described divider resistance R2, divider resistance R3, divider resistance R4, divider resistance R5, divider resistance R6, divider resistance R7, divider resistance R8 and button S7 are serially connected between the A/D end of described bluetooth earphone and ground successively, between the A/D that described divider resistance R1 is connected to power vd D and bluetooth earphone holds, described divider resistance R9 is connected between the A/D end of bluetooth earphone with ground;
Between the public connecting end that described button S1 is connected to described divider resistance R2 and divider resistance R3 and ground, between the public connecting end that described button S2 is connected to described divider resistance R3 and divider resistance R4 and ground, between the public connecting end that described button S3 is connected to described divider resistance R4 and divider resistance R5 and ground, between the public connecting end that described button S4 is connected to described divider resistance R5 and divider resistance R6 and ground, between the public connecting end that described button S5 is connected to described divider resistance R6 and divider resistance R7 and ground, between the public connecting end that described button S6 is connected to described divider resistance R7 and divider resistance R8 and ground.
2. the noise reduction debugging apparatus of bluetooth earphone as claimed in claim 1, is characterized in that, described divider resistance R1 adopts 12K Ω.
3. the noise reduction debugging apparatus of bluetooth earphone as claimed in claim 1, is characterized in that, described divider resistance R2 adopts 1.5K Ω.
4. the noise reduction debugging apparatus of bluetooth earphone as claimed in claim 1, is characterized in that, described divider resistance R3 adopts 2K Ω.
5. the noise reduction debugging apparatus of bluetooth earphone as claimed in claim 1, is characterized in that, described divider resistance R4 adopts 3K Ω.
6. the noise reduction debugging apparatus of bluetooth earphone as claimed in claim 1, is characterized in that, described divider resistance R5 adopts 4.3K Ω.
7. the noise reduction debugging apparatus of bluetooth earphone as claimed in claim 1, is characterized in that, described divider resistance R6 adopts 7.5K Ω.
8. the noise reduction debugging apparatus of bluetooth earphone as claimed in claim 1, is characterized in that, described divider resistance R7 adopts 18K Ω.
9. the noise reduction debugging apparatus of bluetooth earphone as claimed in claim 1, is characterized in that, described divider resistance R8 adopts 68K Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520553058.9U CN204929259U (en) | 2015-07-28 | 2015-07-28 | Debugging device of making an uproar falls in bluetooth headset |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520553058.9U CN204929259U (en) | 2015-07-28 | 2015-07-28 | Debugging device of making an uproar falls in bluetooth headset |
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| CN204929259U true CN204929259U (en) | 2015-12-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112752188A (en) * | 2021-02-03 | 2021-05-04 | 深圳市逸音科技有限公司 | Intelligent Bluetooth noise reduction earphone with enhanced external environment sound and enhancement method thereof |
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2015
- 2015-07-28 CN CN201520553058.9U patent/CN204929259U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112752188A (en) * | 2021-02-03 | 2021-05-04 | 深圳市逸音科技有限公司 | Intelligent Bluetooth noise reduction earphone with enhanced external environment sound and enhancement method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Longgang District of Shenzhen City, Guangdong province 518116 Ping Street Takahashi Industrial Park East Area Patentee after: SHENZHE GUANXU ELECTRONIC CO., LTD. Address before: Longgang District of Shenzhen City, Guangdong province 518116 Ping Street Takahashi Industrial Park East Area Patentee before: Shenzhen Grandsun Electronic Co., Ltd. |