CN110417994A - It is a kind of to realize that the method and sound card synchronous with charging is broadcast live in mobile phone - Google Patents
It is a kind of to realize that the method and sound card synchronous with charging is broadcast live in mobile phone Download PDFInfo
- Publication number
- CN110417994A CN110417994A CN201910608986.3A CN201910608986A CN110417994A CN 110417994 A CN110417994 A CN 110417994A CN 201910608986 A CN201910608986 A CN 201910608986A CN 110417994 A CN110417994 A CN 110417994A
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- China
- Prior art keywords
- charging
- connects
- resistance
- current
- differential amplifier
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
Abstract
Realize that the method and sound card synchronous with charging is broadcast live in mobile phone the invention discloses a kind of, this method are as follows: the charging pins for the interface that Activates Phone power to the charging pins, and carry out current limliting to supply current, power supply current value is detected simultaneously, power supply current value is shown in PC computer end；Sound card includes charging circuit, current feedback circuit and control module, the charging circuit current input terminal connects computer USB interface, current output terminal connects handset port, the current feedback circuit input terminal connects the current output terminal of the charging circuit, output end connects the input terminal of the control module, the output end USB connection PC computer of the control module, the present invention can be realized when only one interface of mobile phone and by live streaming occupy when, mobile phone live streaming synchronous can be carried out with charging, the size and variation of charging current value can be monitored simultaneously, charging current value is come out by PC computer end real-time display, user can understand in real time charging situation according to this.
Description
Technical field
The present invention relates to audios and charging technique field, realize that the side synchronous with charging is broadcast live in mobile phone more particularly to a kind of
Method and sound card.
Background technique
In recent years, under the overall background that internet is popularized energetically, this fire of network direct broadcasting is ignited.Much, more people
Group pours in network direct broadcasting industry, and internet video live broadcasting is the most significant end form of present media.From the perspective of information propagation, text
Word can be fabricated, picture can with PS, even video also can flim editing and making, be broadcast live only, it is real that it can allow user and scene to carry out
When connect, have most true most direct experience.With the continuous prevalence of live streaming industry, equipment is broadcast live now not to meet
The demand of user.
Existing sound card can only often be broadcast live external equipment, can only interrupt when external equipment not enough power supply straight
Broadcast, in particular for the mobile phone of only one interface, such as iPhone Lightning interface and some earphones and data simultaneously
With the Android mobile phone of an interface.Interface is occupied by live streaming, when mobile phone electricity exhausts, need to just stop being broadcast live, and gives mobile phone
Charging.
Summary of the invention
For the above the deficiencies in the prior art, the present invention provides two kinds of technical solutions, the first technical solution is a kind of reality
Existing mobile phone is broadcast live the method synchronous with charging and can be realized by this method when only one interface of mobile phone and when occupancy is broadcast live,
Mobile phone charges, i.e., mobile phone live streaming and charging can synchronous progress, charging current value can also be fed back to PC computer end and real-time
It shows, user can understand in real time charging situation according to this；Second of technical solution is based on the first technical solution
Sound card.
The first technical solution of the invention specifically:
A method of realizing mobile phone live streaming and synchronous, this method of charging are as follows:
Activate Phone the charging pins of interface, powers to the charging pins, and carries out current limliting to supply current；It detects simultaneously
Power supply current value, power supply current value are shown in PC computer end, and supply current herein is the charging current of mobile phone.
Second of technical solution specifically: a kind of realization mobile phone live streaming according to claim 1 is synchronous with charging
The sound card of method, including charging circuit, current feedback circuit and control module.
The charging circuit current input terminal connects computer USB interface, and current output terminal connects handset port.
The current feedback circuit input terminal connects the current output terminal of the charging circuit, and output end connects the control
The input terminal of molding block.
The output end USB connection PC computer of the control module.
Further, the charging circuit includes current limiting module, for controlling the size of power supply current value.
Further, the current feedback circuit includes resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, electricity
Hinder R6, resistance R7, capacitor C1, capacitor C2, capacitor C3, capacitor C4 and differential amplifier U1.
The one end resistance R1 ground connection, the other end connect the current output terminal of the charging circuit.
Described one end resistance R2 connects the current output terminal of the charging circuit, and the other end connects the differential amplifier
The 3rd pin of U1.
The resistance R3 connects the ground terminal of the resistance R1, and what the other end connected the differential amplifier U1 the 4th draws
Foot.
The one end resistance R4 ground connection, the other end connect the 3rd pin of the differential amplifier U1.
Described one end resistance R5 connects the 4th pin of the differential amplifier U1, and the other end connects the differential amplification
The 1st pin of device U1.
Described one end resistance R6 connects supply voltage end, and the other end connects the 5th pin of the differential amplifier U1.
Described one end resistance R7 connects the 1st pin of the differential amplifier U1, and the other end connects the control module,
For feedback current output end.
The one end capacitor C1 ground connection, the other end connect the 3rd pin of the differential amplifier U1.
Described one end capacitor C2 connects the 3rd pin of the differential amplifier U1, and the other end connects the differential amplification
The 1st pin of device U1.
The one end capacitor C3 ground connection, the other end connect the 5th pin of the differential amplifier U1.
The one end capacitor C4 ground connection, the other end connect the feedback current output end of resistance R7.
The 2nd pin of the differential amplifier U1 ground connection.
Further, the control module is MCU, is additionally provided between the current feedback circuit and control module
Analog-digital converter ADC.
Further, the handset port is Lightning interface, Type-c interface, micro-USB interface, mini-
One of USB interface.
The present invention is a kind of to realize the mobile phone live streaming method and sound card synchronous with charging, can be realized that only one connects when mobile phone
Mouthful and when being occupied by live streaming, mobile phone live streaming and charging can synchronous progress, while the size and variation of charging current value can be monitored, filled
Electric current value is come out by PC computer end real-time display, and user can understand in real time charging situation according to this.
Detailed description of the invention
Fig. 1 is a kind of operation schematic diagram realized mobile phone and the method and sound card synchronous with charging is broadcast live of the present invention；
Fig. 2 is a kind of circuit diagram realized mobile phone and current feedback circuit in the method and sound card synchronous with charging is broadcast live of the present invention.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawing.
In order to better illustrate this embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent actual product
Size；To those skilled in the art, the omission of certain known features and its explanation will be understood by attached drawing.Phase
Same or similar label corresponds to the same or similar component.
Existing mobile phone live streaming sound card during live streaming mobile phone can only power consumption, electricity, which is finished, can only also suspend live streaming and carry out
Charging, and the technical solution without synchronous charging.And for the Lightning of the mobile phone of only one interface, such as iPhone
Interface, earphone interface are combined into one with data-interface, and Lightning interface is that occupancy is broadcast live when live streaming, in the prior art
Without realization progress synchronous with charging to the live streaming of such mobile phone.Based on this, the technical program is proposed, specific embodiment is as follows:
Embodiment 1
The present embodiment is as shown in Figure 1, realize that the method synchronous with charging is broadcast live in mobile phone to be a kind of, this method includes:
Activate Phone the charging pins of interface, powers to the charging pins, and carries out current limliting to supply current；It detects simultaneously
Power supply current value, power supply current value are shown in PC computer end, and supply current herein is the charging current of mobile phone.
The present embodiment is combined into one in particular for such as earphone interface of iPhone Lightning interface with data-interface
Interface case, but it is not limited to iPhone, Android mobile phone is also suitable.
In more preferably technical solution, the present embodiment can also carry out supply current i.e. charging current to detect anti-
Feedback, and it is shown in PC computer end.So, the software support that PC computer end needs match can just have the display of charging current value
Interface, by this interface user can be observed in real time during live streaming mobile phone electricity, real time charging current value, charging progress and
The fully charged budget that takes time.Because such software is the common prior art, so specific software algorithm and other details exist
It is not described in detail in the present embodiment.
Embodiment 2
The present embodiment is a kind of sound card of method synchronous with charging according to realization mobile phone live streaming described in embodiment 1, including fills
Circuit, current feedback circuit and control module.
It should be pointed out that whole process is substantially are as follows: the power supply to charge in mobile phone live streaming is described from PC computer end
Sound card is attached by USB and PC computer end, carries out data exchange and PC electricity simultaneously by sound card described in USB and PC computer
Brain powers to the sound card, and sound card charges to the mobile phone being broadcast live.
So, the charging circuit current input terminal connects computer USB interface, and current output terminal connects handset port,
In the present embodiment, the technical point of charging circuit is comprising current limiting module, and current limiting module is for controlling supply current
The size of value needs to carry out current limliting to electric current, in the present embodiment because the size of current that computer exports in practical application is unstable
The current limiting module is the SGM2576 current limit chip of SG Micro Corp.And other peripheral circuits are custom circuit,
It repeats no more in the technical scheme.
In the present embodiment, the current feedback circuit input terminal connects the current output terminal of the charging circuit, output
End connects the input terminal of the control module.The output end USB connection PC computer of the control module.
In more preferably technical solution, the control module is MCU, and between current feedback circuit and control module also
It is provided with analog-digital converter ADC.
It should be pointed out that the sound card has the function that audio processing is carried out to live streaming, it include a variety of audios and audio
Tupe.As shown in Figure 1, thering is two paths of signals to be given to the control module, all the way after mobile phone is by being connected to the sound card
For feedback current, another way is live audio signal because the technical program be in mobile phone live streaming how synchronous charging technology
The improvement of problem, so the audio processing part of the sound card does not repeat them here.
In the present embodiment, the current feedback circuit include resistance R1, resistance R2, resistance R3, resistance R4, resistance R5,
Resistance R6, resistance R7, capacitor C1, capacitor C2, capacitor C3, capacitor C4 and differential amplifier U1.
The one end resistance R1 ground connection, the other end connect the current output terminal of the charging circuit.
Described one end resistance R2 connects the current output terminal of the charging circuit, and the other end connects the differential amplifier
The 3rd pin of U1.
The resistance R3 connects the ground terminal of the resistance R1, and what the other end connected the differential amplifier U1 the 4th draws
Foot.
The one end resistance R4 ground connection, the other end connect the 3rd pin of the differential amplifier U1.
Described one end resistance R5 connects the 4th pin of the differential amplifier U1, and the other end connects the differential amplification
The 1st pin of device U1.
Described one end resistance R6 connects supply voltage end, and the other end connects the 5th pin of the differential amplifier U1.
Described one end resistance R7 connects the 1st pin of the differential amplifier U1, and the other end connects the control module,
For feedback current output end.
The one end capacitor C1 ground connection, the other end connect the 3rd pin of the differential amplifier U1.
Described one end capacitor C2 connects the 3rd pin of the differential amplifier U1, and the other end connects the differential amplification
The 1st pin of device U1.
The one end capacitor C3 ground connection, the other end connect the 5th pin of the differential amplifier U1.
The one end capacitor C4 ground connection, the other end connect the feedback current output end of resistance R7.
The 2nd pin of the differential amplifier U1 ground connection.
The input terminal of current feedback circuit collects charging current and is eventually transferred to control module by differential amplifier U1,
By the processing of control module MCU, PC computer is finally fed back to, is shown by software interface.
In the present embodiment, the handset port be Lightning interface, Type-c interface, micro-USB interface,
One of mini-USB interface.
The present invention solves mobile phone and the technical problem synchronous with charging is broadcast live, and is particularly suitable for earphone interface and data-interface
Mobile phone, such as the Lightning interface of iPhone is broadcast live in single interface of merging.When handset port and by live streaming occupy when, hand
Machine live streaming synchronous can be carried out with charging, while can monitor the size and variation of charging current value, and charging current value passes through PC computer
End real-time display comes out, and user can understand in real time charging situation according to this.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (6)
1. a kind of realize that the method synchronous with charging is broadcast live in mobile phone, which is characterized in that this method are as follows:
Activate Phone the charging pins of interface, powers to the charging pins, and carries out current limliting to supply current；
Power supply current value is detected simultaneously, power supply current value is shown in PC computer end.
2. a kind of realize that the sound card of the method synchronous with charging is broadcast live in mobile phone according to claim 1, which is characterized in that including
Charging circuit, current feedback circuit and control module；
The charging circuit current input terminal connects computer USB interface, and current output terminal connects handset port；
The current feedback circuit input terminal connects the current output terminal of the charging circuit, and output end connects the control mould
The input terminal of block；
The output end USB connection PC computer of the control module.
3. sound card as claimed in claim 2, which is characterized in that the charging circuit includes current limiting module, for controlling
The size of power supply current value processed.
4. sound card as claimed in claim 2, which is characterized in that the current feedback circuit includes resistance R1, resistance R2, electricity
Hinder R3, resistance R4, resistance R5, resistance R6, resistance R7, capacitor C1, capacitor C2, capacitor C3, capacitor C4 and differential amplifier U1；
The one end resistance R1 ground connection, the other end connect the current output terminal of the charging circuit；
Described one end resistance R2 connects the current output terminal of the charging circuit, and the other end connects the differential amplifier U1's
3rd pin；
The resistance R3 connects the ground terminal of the resistance R1, and the other end connects the 4th pin of the differential amplifier U1；
The one end resistance R4 ground connection, the other end connect the 3rd pin of the differential amplifier U1；
Described one end resistance R5 connects the 4th pin of the differential amplifier U1, and the other end connects the differential amplifier U1
The 1st pin；
Described one end resistance R6 connects supply voltage end, and the other end connects the 5th pin of the differential amplifier U1；
Described one end resistance R7 connects the 1st pin of the differential amplifier U1, and it is anti-that the other end, which connects the control module,
Supply current output end；
The one end capacitor C1 ground connection, the other end connect the 3rd pin of the differential amplifier U1；
Described one end capacitor C2 connects the 3rd pin of the differential amplifier U1, and the other end connects the differential amplifier U1
The 1st pin；
The one end capacitor C3 ground connection, the other end connect the 5th pin of the differential amplifier U1；
The one end capacitor C4 ground connection, the other end connect the feedback current output end of resistance R7；
The 2nd pin of the differential amplifier U1 ground connection.
5. sound card as claimed in claim 2, which is characterized in that the control module is MCU, the current feedback circuit
Analog-digital converter ADC is additionally provided between control module.
6. sound card as claimed in claim 2, which is characterized in that the handset port is Lightning interface, Type-c connects
One of mouth, micro-USB interface, mini-USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910608986.3A CN110417994A (en) | 2019-07-08 | 2019-07-08 | It is a kind of to realize that the method and sound card synchronous with charging is broadcast live in mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910608986.3A CN110417994A (en) | 2019-07-08 | 2019-07-08 | It is a kind of to realize that the method and sound card synchronous with charging is broadcast live in mobile phone |
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| Publication Number | Publication Date |
|---|---|
| CN110417994A true CN110417994A (en) | 2019-11-05 |
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ID=68360614
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910608986.3A Pending CN110417994A (en) | 2019-07-08 | 2019-07-08 | It is a kind of to realize that the method and sound card synchronous with charging is broadcast live in mobile phone |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010020927A1 (en) * | 1998-08-24 | 2001-09-13 | Kyoko Ikawa | Secondary cell using system |
| CN103983922A (en) * | 2014-04-18 | 2014-08-13 | 王春来 | Mobile power supply device and current and voltage display method |
| CN104124734A (en) * | 2014-07-22 | 2014-10-29 | 深圳市富满电子有限公司 | Charging system and charging method |
| CN204271702U (en) * | 2014-12-17 | 2015-04-15 | 东莞林发电子有限公司 | Charger |
| CN107991571A (en) * | 2016-10-26 | 2018-05-04 | 中兴通讯股份有限公司 | It is a kind of to detect the abnormal method, apparatus of charging and power supply adaptor |
| CN108062218A (en) * | 2018-01-16 | 2018-05-22 | 北京唱吧科技股份有限公司 | A kind of sound card device |
| CN207720396U (en) * | 2018-01-11 | 2018-08-10 | 苏州杜鹃电子商务有限公司 | Mobile phone USB sound cards |
| CN207909104U (en) * | 2018-01-22 | 2018-09-25 | 东莞意象工业设计有限公司 | Portable live streaming sound card |
-
2019
- 2019-07-08 CN CN201910608986.3A patent/CN110417994A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010020927A1 (en) * | 1998-08-24 | 2001-09-13 | Kyoko Ikawa | Secondary cell using system |
| CN103983922A (en) * | 2014-04-18 | 2014-08-13 | 王春来 | Mobile power supply device and current and voltage display method |
| CN104124734A (en) * | 2014-07-22 | 2014-10-29 | 深圳市富满电子有限公司 | Charging system and charging method |
| CN204271702U (en) * | 2014-12-17 | 2015-04-15 | 东莞林发电子有限公司 | Charger |
| CN107991571A (en) * | 2016-10-26 | 2018-05-04 | 中兴通讯股份有限公司 | It is a kind of to detect the abnormal method, apparatus of charging and power supply adaptor |
| CN207720396U (en) * | 2018-01-11 | 2018-08-10 | 苏州杜鹃电子商务有限公司 | Mobile phone USB sound cards |
| CN108062218A (en) * | 2018-01-16 | 2018-05-22 | 北京唱吧科技股份有限公司 | A kind of sound card device |
| CN207909104U (en) * | 2018-01-22 | 2018-09-25 | 东莞意象工业设计有限公司 | Portable live streaming sound card |
Non-Patent Citations (2)
| Title |
|---|
| SGMICRO: "GENERAL DESCRIPTION", 《SGM2576_SGM2576B POWER DISTRIBUTION SWITCHES 数据手册》 * |
| 倪寿春: "《反馈电路和运算放大电路》", 31 December 1989 * |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 518055 2201, 2202, 2203, 2204, 2205, block a, building 8, Shenzhen International Innovation Valley, Dashi 1st Road, Xili community, Nanshan District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN CHUANGCHENG MICROELECTRONICS Co.,Ltd. Address before: 518055 3rd floor, building 5, Dayuan industrial North District, Pingshan 1st Road, Xili University Town, Nanshan District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN CHUANGCHENG MICROELECTRONICS Co.,Ltd. |
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Application publication date: 20191105 |