CN205647000U - Audio equipment power supply system - Google Patents
Audio equipment power supply system Download PDFInfo
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- CN205647000U CN205647000U CN201620503386.2U CN201620503386U CN205647000U CN 205647000 U CN205647000 U CN 205647000U CN 201620503386 U CN201620503386 U CN 201620503386U CN 205647000 U CN205647000 U CN 205647000U
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Abstract
The utility model discloses an audio equipment power supply system, including mobile terminal and audio equipment, mobile terminal includes a control unit, battery, a power management unit, a switch, first interface, audio equipment include the 2nd the control unit, the 2nd power management unit, the 2nd switch, third interface, with the second interface of first interface adaptation, the electric energy that external power supply provided transmits to the 2nd switch, second interface, first interface, a power management unit through the third interface in proper order, the third interface is connected with the 2nd power management unit, to the 2nd power management unit transmission electric energy. The utility model discloses when mobile terminal used with the audio equipment complete network, if battery low, external power supply can guarantee normal use for the mains power supply in the connection to avoiding audio equipment to suspend withdrawing from at the battery low of normal use in -process because of mobile terminal, thereby having improved user's use and experienced, improved the product competitiveness, the facilitate promotion is used.
Description
Technical field
This utility model belongs to electronic technology field, specifically, relates to a kind of audio frequency apparatus electric power system.
Background technology
The electric energy wearing display device operationally required based on mobile phone display screen is typically to take from battery of mobile phone.
When carrying out virtual reality experience, mobile phone and to wear display device power dissipation ratio relatively big, and cell phone battery capacity is limited, cruising time is comparatively short.When user use wear display device carry out virtual reality experience time, must assure that battery of mobile phone has enough electricity available, otherwise there will be the awkward situation interrupting exiting when watching 3D film or experiencing VR game owing to electricity is not enough, now have to from wear display device take out mobile phone be charged, reduce the experience of user.
Summary of the invention
This utility model provides a kind of audio frequency apparatus electric power system, solves the audio frequency apparatus caused because of battery capacity of mobile terminal deficiency and uses the problem interrupted.
For solving above-mentioned technical problem, this utility model is achieved by the following technical solutions:
A kind of audio frequency apparatus electric power system, including mobile terminal and audio frequency apparatus, described mobile terminal includes the first control unit, battery, the first Power Management Unit, the first on and off switch, first interface;Described first Power Management Unit is that whole mobile terminal is powered；Described audio frequency apparatus includes the second interface that the second control unit, second source administrative unit, second source switch, the 3rd interface and described first interface are adaptive;Described second source administrative unit is that whole audio frequency apparatus is powered；Described first control unit controls the break-make of the first on and off switch, described second control unit controls second source and switches on-off, when described first on and off switch conducting, second source switch off, the electric energy that battery provides transmits successively to the first Power Management Unit, the first on and off switch, first interface, the second interface, second source administrative unit；When described first on and off switch disconnection, second source switch conduction, the electric energy that external power supply provides transmits to the 3rd interface, transmits successively to second source switch, the second interface, first interface, the first Power Management Unit through the 3rd interface；3rd interface is connected with second source administrative unit, transmits electric energy to second source administrative unit.
Further, described mobile terminal also includes voltage conversion unit, and described first Power Management Unit is connected by voltage conversion unit and the first on and off switch.
Further, described voltage conversion unit is dc-dc.
Further, described audio frequency apparatus also includes that the first anti-electric current pours in down a chimney unit, and the electric current of the second seam pours in down a chimney unit by described first anti-electric current to be transmitted to second source administrative unit.
Further, it is Schottky diode that described first anti-electric current pours in down a chimney unit, and anode connects described second interface, and negative electrode connects described second source administrative unit.
Preferably, described audio frequency apparatus also includes that the second anti-electric current pours in down a chimney unit, and the electric current of the 3rd seam pours in down a chimney unit by described second anti-electric current to be transmitted to second source administrative unit.
Further, it is Schottky diode that described second anti-electric current pours in down a chimney unit, and anode connects described 3rd interface, and negative electrode connects described second source administrative unit.
Further, described first interface, the second interface are USB interface or lighting interface, and described 3rd interface is USB interface or lighting interface.
Further, described audio frequency apparatus also includes testing circuit, described testing circuit includes the first resistance and the second resistance, one end of described first resistance connects described 3rd interface, the other end of described first resistance connects one end of the second resistance, the other end ground connection of described second resistance, the connection node of described first resistance and the second resistance is connected with described second control unit.
Preferably, described mobile terminal is mobile phone or PAD, and described audio frequency apparatus is for wearing display device or audio amplifier.
Compared with prior art, advantage of the present utility model and good effect be: audio frequency apparatus electric power system of the present utility model, both can be that whole system is powered by the battery in mobile terminal, can also be that whole system is powered by external power supply, therefore, during audio frequency apparatus and mobile terminal support the use, if the battery electric quantity of mobile terminal is not enough, can be system power supply by external power supply, avoid interrupting exiting because the battery electric quantity of mobile terminal is not enough during audio frequency apparatus normally uses, ensure that audio frequency apparatus normally uses, thus improve the experience of user, improve product competitiveness, easy to utilize.
After reading in conjunction with the accompanying the detailed description of this utility model embodiment, other features of the present utility model and advantage will become clearer from.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of a kind of embodiment of the audio frequency apparatus electric power system that this utility model is proposed；
Fig. 2 is the schematic diagram of the testing circuit of the audio frequency apparatus electric power system that this utility model is proposed.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described in more detail.
The audio frequency apparatus electric power system of the present embodiment mainly includes mobile terminal and audio frequency apparatus, audio frequency apparatus uses based on mobile terminal, i.e. audio frequency apparatus supports the use with mobile terminal, shown in Figure 1, mobile terminal mainly includes the first control unit, battery, first Power Management Unit, first on and off switch, first interface etc., battery and the first Power Management Unit connect, first Power Management Unit connects first interface by the first on and off switch, first control unit controls the break-make of the first on and off switch, first Power Management Unit is that whole mobile terminal is powered；Audio frequency apparatus mainly includes the second interface etc. that the second control unit, second source administrative unit, second source switch, the 3rd interface and first interface are adaptive, 3rd interface connects the second interface by second source switch, second control unit controls second source and switches on-off, 3rd interface connects second source administrative unit, second interface connects second source administrative unit, and second source administrative unit is that whole audio frequency apparatus is powered；Second interface is connected with first interface, carries out the transmission of electric energy and signal；3rd interface is connected with external power supply.
Switch off at second source, first on and off switch conducting time, battery provide electric energy transmit successively to the first Power Management Unit, the first on and off switch, first interface, the second interface, second source administrative unit；It is to say, the electric energy that battery provides is that mobile terminal is powered not only by the first power subsystem, it is that whole audio frequency apparatus is powered also by second source administrative unit, i.e. battery is that whole system is powered.
When second source switch conduction, the first on and off switch disconnect, the electric energy that external power supply provides transmits to the 3rd interface, transmit successively to second source switch, the second interface, first interface, the first Power Management Unit, battery through the 3rd interface, the electric energy that i.e. external power supply provides had been both that mobile terminal is powered by the first Power Management Unit, also for battery charging；3rd interface is connected with second source administrative unit, and the electric energy that external power supply provides transmits to second source administrative unit through the 3rd interface, is that audio frequency apparatus is powered by second source administrative unit, i.e. external power supply is that whole system is powered.
The audio frequency apparatus electric power system of the present embodiment, when audio frequency apparatus supports the use with mobile terminal, when i.e. first interface and the second interface connect, both can be that whole system is powered by the battery in mobile terminal, can also be that whole system is powered by external power supply, therefore, during audio frequency apparatus and mobile terminal support the use, if the battery electric quantity of mobile terminal is not enough, can be system power supply by external power supply, avoid interrupting exiting because the battery electric quantity of mobile terminal is not enough during audio frequency apparatus normally uses, thus ensure that audio frequency apparatus normally uses, thus improve the experience of user, improve product competitiveness, easy to utilize.
For the ease of providing suitable voltage to audio frequency apparatus, being additionally provided with voltage conversion unit in the terminal, the first Power Management Unit is connected by voltage conversion unit and the first on and off switch.
In the present embodiment, voltage conversion unit is preferably dc-dc, for the voltage of the first Power Management Unit output is converted to the voltage needed for audio frequency apparatus.Such as, the voltage that the first Power Management Unit exports is converted to 5V by dc-dc, flows to audio frequency apparatus through the first on and off switch, first interface, for audio frequency apparatus.
Being additionally provided with the first anti-electric current in audio frequency apparatus and pour in down a chimney unit, the electric current of the second seam pours in down a chimney unit by the first anti-electric current to be transmitted to second source administrative unit, to ensure the flow direction of electric current, it is to avoid reversely flow backwards.
First anti-electric current pours in down a chimney unit and is preferably Schottky diode, and the anode of Schottky diode connects the second interface, and negative electrode connects second source administrative unit, it is ensured that electric current flows to second source administrative unit from the second interface.
Being additionally provided with the second anti-electric current in audio frequency apparatus and pour in down a chimney unit, the electric current of the 3rd seam pours in down a chimney unit by the second anti-electric current to be transmitted to second source administrative unit, to ensure the flow direction of electric current, it is to avoid reversely flow backwards.
Second anti-electric current pours in down a chimney unit and is preferably also Schottky diode, and the anode of Schottky diode connects the 3rd interface, and negative electrode connects second source administrative unit, it is ensured that electric current flows to second source administrative unit from the 3rd interface.
Whether connecting external power supply for the ease of detection the 3rd interface, be additionally provided with testing circuit in audio frequency apparatus, the 3rd interface connects the second control unit by described testing circuit.
Testing circuit mainly includes the first resistance R1 and the second resistance R2, shown in Figure 2, one end of first resistance R1 connects the 3rd interface, the other end of the first resistance R1 connects one end of the second resistance R2, the other end ground connection of the second resistance R2, the first resistance R1 and the connection node of the second resistance R2 and the second control unit connect.
When voltage at the connection node of the first resistance R1 and the second resistance R2 is 0, second control unit detects low level, illustrate that the 3rd interface does not connect external power supply, second control unit controls second source and switches off, and send control signal through the second interface, first interface transmission to the first control unit, first control unit controls the first on and off switch conducting after receiving control signal, battery-powered；When voltage at the connection node of the first resistance R1 and the second resistance R2 is not 0, second control unit detects high level, illustrate that the 3rd interface connection has external power supply, second control unit controls second source switch conduction, and send control signal through the second interface, first interface transmission to the first control unit, first control unit controls the first on and off switch and disconnects after receiving control signal, external power supply power.According to the level height detected, second control unit judges whether external power supply connects.
Described first interface, the second interface are USB interface or lighting interface, highly versatile, it is simple to mobile terminal and the connection of audio frequency apparatus.Owing to first interface and the second interface are adaptive, in the present embodiment, first interface is preferably USB socket/plug, and the second interface is preferably the USB plug/socket adaptive with first interface；Or, first interface is preferably lighting socket, and the second interface is preferably the lighting plug/socket adaptive with first interface.
3rd interface is preferably USB interface or lighting interface, highly versatile, it is simple to be connected with external power supply.
When external power supply is powered, electric energy one tunnel the 3rd interface, the second anti-electric current that external power supply provides pour in down a chimney unit and transmit to second source administrative unit, another Lu Jing tri-interface, second source switch, the second interface, first interface transmit to the first Power Management Unit, and external power supply is that whole system is powered.
Power period at external power supply, first control unit detects the voltage at first interface in real time, if voltage significantly falls, become low level from high level, as dropped to 0.5V by 5V, illustrate that external power supply is transferred to, then the first control unit controls the first on and off switch conducting, and sending a control signal to the second control unit, the second control unit controls second source switch OFF after receiving control signal, battery be that whole system is powered.That is, detect whether external power supply accesses not only by the second control unit and testing circuit, detect whether external power supply accesses also by the voltage at the first control unit detection first interface, thus improve the accuracy of detection, and then improve the stability of power supply.
Powering period at battery, the first control unit detects battery electric quantity in real time, and when battery electric quantity deficiency being detected (time as at full charge in battery electric quantity ＜ battery 10%), prompting battery electric quantity is not enough.
Mobile terminal is mobile phone, PAD etc., and audio frequency apparatus is for wearing display device, audio amplifier etc..Audio frequency apparatus and mobile terminal with the use of.
Such as, when mobile terminal is mobile phone, audio frequency apparatus is based on mobile phone screen when wearing display device, the first interface of mobile phone and the second interface grafting wearing display device, and user carries out VR experience, and battery of mobile phone is whole mobile phone and wears display device and power；When cell-phone battery electric-charge quantity deficiency, external power supply is inserted and wears the 3rd interface of display device, be whole mobile phone by external power supply, worn display device and power, and be charging mobile phone battery.User can proceed VR and experience, and without taking off mobile phone in display device and be charged from wearing, thus improves the experience of user, improves product competitiveness, it is simple to popularization and application.
Such as, when mobile terminal is mobile phone, and audio frequency apparatus is audio amplifier, the second interface grafting of the first interface of mobile phone and audio amplifier, audio amplifier plays the audio frequency in mobile phone, and battery of mobile phone is whole mobile phone and audio amplifier is powered；When cell-phone battery electric-charge quantity deficiency, external power supply is inserted the 3rd interface of audio amplifier, external power supply be that whole mobile phone, audio amplifier are powered, and be charging mobile phone battery.User can continue to appreciate music, without the connection of disconnection mobile phone with audio amplifier, thus improves the experience of user, improves product competitiveness, it is simple to popularization and application.
Certainly; described above is not to restriction of the present utility model; this utility model is also not limited to the example above, change that those skilled in the art are made in essential scope of the present utility model, retrofits, adds or replaces, and also should belong to protection domain of the present utility model.
Claims (10)
1. an audio frequency apparatus electric power system, it is characterised in that: include mobile terminal and audio frequency apparatus,
Described mobile terminal includes the first control unit, battery, the first Power Management Unit, the first on and off switch, first interface;Described first Power Management Unit is that whole mobile terminal is powered；
Described audio frequency apparatus includes the second interface that the second control unit, second source administrative unit, second source switch, the 3rd interface and described first interface are adaptive;Described second source administrative unit is that whole audio frequency apparatus is powered；
Described first control unit controls the break-make of the first on and off switch, and described second control unit controls second source and switches on-off,
When described first on and off switch conducting, second source switch off, the electric energy that battery provides transmits successively to the first Power Management Unit, the first on and off switch, first interface, the second interface, second source administrative unit；
When described first on and off switch disconnection, second source switch conduction, the electric energy that external power supply provides transmits to the 3rd interface, transmits successively to second source switch, the second interface, first interface, the first Power Management Unit through the 3rd interface；3rd interface is connected with second source administrative unit, transmits electric energy to second source administrative unit.
Audio frequency apparatus electric power system the most according to claim 1, it is characterised in that: described mobile terminal also includes voltage conversion unit, and described first Power Management Unit is connected by voltage conversion unit and the first on and off switch.
Audio frequency apparatus electric power system the most according to claim 2, it is characterised in that: described voltage conversion unit is dc-dc.
Audio frequency apparatus electric power system the most according to claim 1, it is characterised in that: described audio frequency apparatus also includes that the first anti-electric current pours in down a chimney unit, and the electric current of the second seam pours in down a chimney unit by described first anti-electric current to be transmitted to second source administrative unit.
Audio frequency apparatus electric power system the most according to claim 4, it is characterised in that: it is Schottky diode that described first anti-electric current pours in down a chimney unit, and anode connects described second interface, and negative electrode connects described second source administrative unit.
Audio frequency apparatus electric power system the most according to claim 1, it is characterised in that: described audio frequency apparatus also includes that the second anti-electric current pours in down a chimney unit, and the electric current of the 3rd seam pours in down a chimney unit by described second anti-electric current to be transmitted to second source administrative unit.
Audio frequency apparatus electric power system the most according to claim 6, it is characterised in that: it is Schottky diode that described second anti-electric current pours in down a chimney unit, and anode connects described 3rd interface, and negative electrode connects described second source administrative unit.
Audio frequency apparatus electric power system the most according to claim 1, it is characterised in that: described first interface, the second interface are USB interface or lighting interface, and described 3rd interface is USB interface or lighting interface.
Audio frequency apparatus electric power system the most according to claim 1, it is characterized in that: described audio frequency apparatus also includes testing circuit, described testing circuit includes the first resistance and the second resistance, one end of described first resistance connects described 3rd interface, the other end of described first resistance connects one end of the second resistance, the other end ground connection of described second resistance, the connection node of described first resistance and the second resistance is connected with described second control unit.
Audio frequency apparatus electric power system the most according to any one of claim 1 to 9, it is characterised in that: described mobile terminal is mobile phone or PAD, and described audio frequency apparatus is for wearing display device or audio amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620503386.2U CN205647000U (en) | 2016-05-30 | 2016-05-30 | Audio equipment power supply system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620503386.2U CN205647000U (en) | 2016-05-30 | 2016-05-30 | Audio equipment power supply system |
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| CN205647000U true CN205647000U (en) | 2016-10-12 |
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| CN201620503386.2U Active CN205647000U (en) | 2016-05-30 | 2016-05-30 | Audio equipment power supply system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105827010A (en) * | 2016-05-30 | 2016-08-03 | 青岛歌尔声学科技有限公司 | Audio equipment power supply system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105827010A (en) * | 2016-05-30 | 2016-08-03 | 青岛歌尔声学科技有限公司 | Audio equipment power supply system |
| WO2017206490A1 (en) * | 2016-05-30 | 2017-12-07 | 青岛歌尔声学科技有限公司 | Audio device power supply system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201015 Address after: 261031 north of Yuqing street, east of Dongming Road, high tech Zone, Weifang City, Shandong Province (Room 502, Geer electronic office building) Patentee after: GoerTek Optical Technology Co.,Ltd. Address before: International Exhibition Center of wealth 18 No. 266061 Shandong province Qingdao city Laoshan District Qinling Mountains Road No. 3 Building 4 layer 401-436 Patentee before: Qingdao GoerTek Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |