CN214958750U - Live broadcast sound card circuit for connecting mobile phone - Google Patents
Live broadcast sound card circuit for connecting mobile phone Download PDFInfo
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- CN214958750U CN214958750U CN202120486127.4U CN202120486127U CN214958750U CN 214958750 U CN214958750 U CN 214958750U CN 202120486127 U CN202120486127 U CN 202120486127U CN 214958750 U CN214958750 U CN 214958750U
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Abstract
The utility model discloses a live sound card circuit for connecting cell-phone, including sound card module and the module of charging, the sound card module includes: a battery cell: the charging module is electrically connected; an interface unit: the mobile phone charging interface is electrically connected with the battery unit, and also comprises a data interface for communication connection and a charging interface electrically connected with the mobile phone; an identification unit: the mobile phone power detection device is used for detecting the electric quantity of the mobile phone and sending out an identification signal; a control unit: the charging interface is used for receiving the identification signal and controlling the on-off and output voltage of the charging interface; the control unit comprises a first control subunit and a second control subunit, the first control subunit receives the identification signal and sends out a quick charging control signal and an on-off signal, and the second control subunit receives the on-off signal and controls the on-off of the charging interface; the battery unit receives the quick charge control signal, outputs a high level or a low level to the charging interface, and simultaneously charges the mobile phone and the sound card, so that the requirement of long-time live broadcast is met, and the problem that a consumer purchases the sound card and then purchases the adapter is solved.
Description
Technical Field
The utility model relates to an audio equipment connects the field, especially relates to a live sound card circuit for connecting cell-phone.
Background
Along with the rise of live broadcast trade, live broadcast equipment is more and more widely used, along with the progress of the era, the renewal of smart mobile phone, intelligent innovation, the cell-phone has all cancelled 3.5mm audio jack now, become audio frequency and the integration socket that charges, the audio jack of cell-phone uses most be Tpye-c socket and Lightning socket, the cell-phone is connected with the sound card under this condition, if will live broadcast for a long time with the cell-phone, just need live broadcast while charging, solve this problem, there are two kinds of methods at present: 1. the audio adapter which can be charged by matching with a two-in-one audio adapter 2 is connected to the mobile phone through a USB/OTG socket of the sound card, but the mobile phone can always charge the sound card by the connection method, the power consumption of the mobile phone is overlarge, the mobile phone can not be used for a long time, and the two methods do not solve the problem of better connection between the sound card and the mobile phone. Therefore, there is a need for a live sound card circuit for connecting a mobile phone, which can transmit data and charge the mobile phone and a sound card in real time.
SUMMERY OF THE UTILITY MODEL
To the weak point that exists in the above-mentioned technique, the utility model provides a direct broadcast sound card circuit for connecting cell-phone, after inserting the power on the direct broadcast sound card, can be simultaneously all the way give the cell-phone and directly broadcast the sound card all the way and charge to reach the demand that can direct broadcast for a long time, can solve the problem that the consumer got to purchase the adapter again after having bought the sound card.
In order to achieve the above object, the utility model provides a live sound card circuit for connecting cell-phone, including sound card module and the module of charging, the sound card module includes:
a battery cell: the charging module is electrically connected;
an interface unit: the mobile phone charging interface is electrically connected with the battery unit, and also comprises a data interface for communication connection and a charging interface electrically connected with the mobile phone;
an identification unit: the mobile phone power detection device is used for detecting the electric quantity of the mobile phone and sending out an identification signal;
a control unit: the charging interface is used for receiving the identification signal and controlling the on-off and output voltage of the charging interface;
the control unit comprises a first control subunit and a second control subunit, the first control subunit receives the identification signal and sends out a quick charging control signal and an on-off signal, and the second control subunit receives the on-off signal and controls the on-off of the charging interface; and the battery unit receives the quick charge control signal and outputs high level or low level to the charging interface. After the power is accessed to the live sound card, the mobile phone and the direct sound card can be charged simultaneously, so that the requirement of live broadcasting for a long time can be met, and the problem that a consumer purchases the adapter after purchasing the sound card can be solved.
Preferably, the battery unit comprises a high-level charging unit and a low-level charging unit, when the first control subunit sends a quick charging control signal requiring high-voltage charging to the battery unit, the high-level charging unit is communicated with the charging interface, and then quick charging is carried out on the mobile phone; when the first control unit sends a quick charging control signal which needs low-voltage charging to the battery unit, the low-level charging unit is communicated with the charging interface, and then the mobile phone is charged slowly.
Preferably, the identification unit comprises a central point voltage detection unit and a central point voltage power supply unit, the central point voltage detection unit comprises a first central point and a second central point, the first central point comprises four terminals, and the four terminals are respectively connected with the positive detection point, the central point voltage power supply unit, the charging interface and the earth ground; the second central point comprises three wiring terminals which are respectively connected with the negative electrode detection point, the charging interface and the earth electricity; the positive detection point and the negative detection point are connected with the first control subunit.
Preferably, the first control subunit includes a first control chip, and the first control chip includes a detection pin connected to the identification unit, a quick charge control pin connected to the charging interface, and an on-off control pin connected to the second control subunit.
Preferably, the second control subunit comprises a second control chip, a first mos tube and a second mos tube, wherein the G pole of the first mos tube is connected with the on-off control pin of the first control chip, the D pole of the first mos tube is connected with the second control chip, and the S pole of the first mos tube is grounded; the G pole of the second mos tube is connected with the on-off control pin of the first control chip, the D pole of the second mos tube is connected with the second control chip, and the S pole of the second mos tube is grounded; and an output pin connected with the charging interface is also arranged on the second control chip.
Preferably, the first mos tube and the second mos tube are both N-channel mos tubes.
Preferably, the second control chip is a double P-channel field effect transistor, the second control chip comprises a third mos tube and a fourth mos tube, one end of the third mos tube is connected with the D electrode of the first mos tube, and the other end of the third mos tube is connected with the charging interface; one end of the fourth mos tube is connected with the D pole of the second mos tube, and the other end of the fourth mos tube is connected with the charging interface.
Preferably, the S pole of the third mos tube is connected to the first resistor, and the other end of the first resistor and the G pole of the third mos tube are connected to the D pole of the first mos tube in common.
Preferably, the S pole of the fourth mos tube is connected to the second resistor, and the other end of the second resistor and the G pole of the fourth mos tube are connected to the D pole of the second mos tube in common.
The utility model has the advantages that: compared with the prior art, the utility model provides a live sound card circuit for connecting cell-phone, including sound card module and the module of charging, the sound card module includes: a battery cell: the charging module is electrically connected; an interface unit: the mobile phone charging interface is electrically connected with the battery unit, and also comprises a data interface for communication connection and a charging interface electrically connected with the mobile phone; an identification unit: the mobile phone power detection device is used for detecting the electric quantity of the mobile phone and sending out an identification signal; a control unit: the charging interface is used for receiving the identification signal and controlling the on-off and output voltage of the charging interface; the control unit comprises a first control subunit and a second control subunit, the first control subunit receives the identification signal and sends out a quick charging control signal and an on-off signal, and the second control subunit receives the on-off signal and controls the on-off of the charging interface; and the battery unit receives the quick charge control signal and outputs high level or low level to the charging interface. After the power is accessed to the live sound card, the mobile phone and the direct sound card can be charged simultaneously, so that the requirement of live broadcasting for a long time can be met, and the problem that a consumer purchases the adapter after purchasing the sound card can be solved.
Drawings
Fig. 1 is a circuit diagram of a battery unit according to the present invention;
FIG. 2 is a circuit diagram of the data interface of the present invention;
fig. 3 is a circuit diagram of the charging interface of the present invention;
fig. 4 is a circuit diagram of a second sub-control unit of the present invention;
fig. 5 is a circuit diagram of a first sub-control unit of the present invention;
FIG. 6 is a circuit diagram of a central point voltage power supply unit of the present invention;
FIG. 7 is a circuit diagram of the center point voltage detecting unit of the present invention;
fig. 8 is a circuit diagram of the voltage drop unit of the present invention;
fig. 9 is a block diagram of the present invention.
Description of specific element symbols: 1. a charging module; 2. a battery cell; 3. a mobile phone; 4. a control unit; 21. A high-level charging unit; 22. a low-level charging unit; 23. a charging interface; 41. a first control subunit; 42. a second control subunit.
Detailed Description
In order to make the present invention clearer, the present invention will be further described with reference to the accompanying drawings.
Example 1: please refer to fig. 1 to 9, the utility model discloses a live sound card circuit for connecting cell-phone 3, including sound card module and charging module 1, the sound card module includes: the battery unit 2: the charging module 1 is electrically connected; an interface unit: the charging interface 23 is electrically connected with the battery unit 2, and also comprises a data interface for communication connection and a charging interface for electrically connecting the mobile phone 3; an identification unit: the mobile phone is used for detecting the electric quantity of the mobile phone 3 and sending out an identification signal; the control unit 4: the charging interface is used for receiving the identification signal and controlling the on-off and the output voltage of the charging interface 23; the control unit 4 comprises a first control subunit 41 and a second control subunit 42, the first control subunit 41 receives the identification signal and sends out a fast charging control signal and an on-off signal, and the second control subunit 42 receives the on-off signal and controls the on-off of the charging interface 23; the battery unit 2 receives the quick charge control signal and outputs a high level or a low level to the charging interface 23. After the power is accessed to the live sound card, the mobile phone 3 and the live sound card can be charged simultaneously, so that the requirement of live broadcasting for a long time can be met, and the problem that a consumer purchases an adapter after purchasing the sound card can be solved.
Example 2: the battery unit 2 of the present embodiment includes a high-level charging unit 21 and a low-level charging unit 22, and when the first control subunit 41 sends a fast charging control signal requiring high-voltage charging to the battery unit 2, the high-level charging unit 21 is communicated with the charging interface 23, so as to perform fast charging for the mobile phone 3; when the first control unit 4 sends a fast charging control signal requiring low-voltage charging to the battery unit 2, the low-level charging unit 22 is communicated with the charging interface 23, and then the mobile phone 3 is charged slowly. The identification unit of the embodiment comprises a central point voltage detection unit and a central point voltage power supply unit, wherein the central point voltage detection unit comprises a first central point and a second central point, the first central point comprises four wiring terminals, and the four wiring terminals are respectively connected with the positive detection point, the central point voltage power supply unit, the charging interface 23 and the earth ground; the second central point comprises three terminals which are respectively connected with the negative detection point, the charging interface 23 and the earth ground; the positive detection point and the negative detection point are connected to the first control subunit 41. The battery unit 2 further includes a voltage drop unit for converting a high level of the high-level charging unit 21 into a low level of the low-level charging unit 22 for charging.
Example 3: the first control subunit 41 of the present embodiment includes a first control chip, and the first control chip includes a detection pin connected to the identification unit, a fast charging control pin connected to the charging interface 23, and an on-off control pin connected to the second control subunit 42. The second control subunit 42 of the present embodiment includes a second control chip, a first mos tube Q3 and a second mos tube Q4, a G pole of the first mos tube Q3 is connected to an on-off control pin of the first control chip, a D pole is connected to the second control chip, and an S pole is grounded; the G pole of the second mos tube Q4 is connected with the on-off control pin of the first control chip, the D pole is connected with the second control chip, and the S pole is grounded; and an output pin connected with the charging interface 23 is further arranged on the second control chip. The first mos tube Q3 and the second mos tube Q4 of this embodiment are both N-channel mos tubes.
Example 4: the second control chip of this embodiment is a dual P-channel field effect transistor, and includes a third mos tube and a fourth mos tube, where one end of the third mos tube is connected to the D-pole of the first mos tube Q3, and the other end is connected to the charging interface 23; one end of the fourth mos tube is connected with the D pole of the second mos tube Q4, and the other end of the fourth mos tube is connected with the charging interface 23. In the present embodiment, the S pole of the third mos tube is connected to the first resistor, and the other end of the first resistor and the G pole of the third mos tube are connected to the D pole of the first mos tube Q3 in common. In the present embodiment, the S pole of the fourth mos tube is connected to the second resistor, and the other end of the second resistor and the G pole of the fourth mos tube are connected to the D pole of the second mos tube Q4 in common.
The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a live sound card circuit for connecting cell-phone which characterized in that, includes sound card module and charging module, and the sound card module includes:
a battery cell: the charging module is electrically connected;
an interface unit: the mobile phone charging interface is electrically connected with the battery unit, and also comprises a data interface for communication connection and a charging interface electrically connected with the mobile phone;
an identification unit: the mobile phone power detection device is used for detecting the electric quantity of the mobile phone and sending out an identification signal;
a control unit: the charging interface is used for receiving the identification signal and controlling the on-off and output voltage of the charging interface;
the control unit comprises a first control subunit and a second control subunit, the first control subunit receives the identification signal and sends out a quick charging control signal and an on-off signal, and the second control subunit receives the on-off signal and controls the on-off of the charging interface; and the battery unit receives the quick charge control signal and outputs high level or low level to the charging interface.
2. The direct broadcast sound card circuit for connecting the mobile phone according to claim 1, wherein the battery unit comprises a high-level charging unit and a low-level charging unit, when the first control subunit sends a fast charging control signal requiring high-voltage charging to the battery unit, the high-level charging unit is communicated with the charging interface, and then fast charging is performed on the mobile phone; when the first control unit sends a quick charging control signal which needs low-voltage charging to the battery unit, the low-level charging unit is communicated with the charging interface, and then the mobile phone is charged slowly.
3. The live broadcast sound card circuit for connecting a mobile phone according to claim 1, wherein the identification unit comprises a center point voltage detection unit and a center point voltage power supply unit, the center point voltage detection unit comprises a first center point and a second center point, the first center point comprises four terminals, and the four terminals are respectively connected with the positive detection point, the center point voltage power supply unit, the charging interface and the earth ground; the second central point comprises three wiring terminals which are respectively connected with the negative electrode detection point, the charging interface and the earth electricity; the positive detection point and the negative detection point are connected with the first control subunit.
4. The live broadcast sound card circuit used for connecting the mobile phone as claimed in claim 1, wherein the first control subunit comprises a first control chip, and the first control chip comprises a detection pin connected with the identification unit, a fast charging control pin connected with the charging interface, and an on-off control pin connected with the second control subunit.
5. The live broadcast sound card circuit used for connecting the mobile phone of claim 4, wherein the second control subunit comprises a second control chip, a first mos tube and a second mos tube, wherein a G pole of the first mos tube is connected with an on-off control pin of the first control chip, a D pole of the first mos tube is connected with the second control chip, and an S pole of the first mos tube is grounded; the G pole of the second mos tube is connected with the on-off control pin of the first control chip, the D pole of the second mos tube is connected with the second control chip, and the S pole of the second mos tube is grounded; and an output pin connected with the charging interface is also arranged on the second control chip.
6. The live broadcast sound card circuit for connecting the mobile phone of claim 5, wherein the first mos tube and the second mos tube are both N-channel mos tubes.
7. The live broadcast sound card circuit used for being connected with the mobile phone of claim 4, wherein the second control chip is a double P-channel field effect transistor, the second control chip comprises a third mos tube and a fourth mos tube, one end of the third mos tube is connected with a D electrode of the first mos tube, and the other end of the third mos tube is connected with a charging interface; one end of the fourth mos tube is connected with the D pole of the second mos tube, and the other end of the fourth mos tube is connected with the charging interface.
8. The live broadcast sound card circuit for connecting the mobile phone as claimed in claim 7, wherein the S pole of the third mos tube is connected with a first resistor, and the other end of the first resistor and the G pole of the third mos tube are connected to the D pole of the first mos tube in common.
9. The live broadcast sound card circuit for connecting the mobile phone as claimed in claim 7, wherein a second resistor is connected to the S pole of the fourth mos tube, and the other end of the second resistor and the G pole of the fourth mos tube are connected to the D pole of the second mos tube in common.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120486127.4U CN214958750U (en) | 2021-03-08 | 2021-03-08 | Live broadcast sound card circuit for connecting mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120486127.4U CN214958750U (en) | 2021-03-08 | 2021-03-08 | Live broadcast sound card circuit for connecting mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214958750U true CN214958750U (en) | 2021-11-30 |
Family
ID=79118427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120486127.4U Active CN214958750U (en) | 2021-03-08 | 2021-03-08 | Live broadcast sound card circuit for connecting mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214958750U (en) |
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2021
- 2021-03-08 CN CN202120486127.4U patent/CN214958750U/en active Active
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