CN205249467U - Realize carplay and big electricity charging's USB audio equipment - Google Patents
Realize carplay and big electricity charging's USB audio equipment Download PDFInfo
- Publication number
- CN205249467U CN205249467U CN201521083434.9U CN201521083434U CN205249467U CN 205249467 U CN205249467 U CN 205249467U CN 201521083434 U CN201521083434 U CN 201521083434U CN 205249467 U CN205249467 U CN 205249467U
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- Prior art keywords
- usb
- interface
- carplay
- realizing
- audio frequency
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Abstract
The utility model relates to a realize carplay and big electricity charging's USB audio equipment, two -layer PCB board in casing and casing, the PCB board include: the power strip is equipped with connector (1), audio interface (2), power switching circuit (3) and USB input interface (5) on it, connector (1) is equipped with earphone interface and power source input port, and earphone interface connection audio interface (2), power source input port connects on -vehicle battery to be connected to power switching circuit (3), the two -way interface board of USB, including information processing chip (6) and the two -way interface of USB, information processing chip (6) and the two -way interface of USB all connect power switching circuit (3), the two -way interface of USB and USB input interface (5) are connected respectively in information processing chip (6). Compared with the prior art, the utility model has the advantages of simple structure, can realize carpaly and big electricity charging.
Description
Technical field
The utility model relates to a kind of USB audio frequency apparatus, especially relates to one and realizes carplay and large electric currentThe USB audio frequency apparatus of charging.
Background technology
Increasing vehicle entertainment system provide USB interface for connect USB mobile device (as USB flash disk,Mobile phone, panel computer etc.) carry out file and copy standby, multimedia file broadcasting, charging etc., therefore to USB interfaceThe demand of electrical power is also increasing. At present, the charging current of vehicle-mounted USB bidirectional interface is 500mA,Thereby can not meet the demand of mobile device large current charge. Carpaly had not both been supported in market yet simultaneously, againCan realize the USB bidirectional interface equipment of large current charge, mostly adopt multiple chips to realize respectively above two meritsCan, therefore cost is higher.
Utility model content
The purpose of this utility model is exactly to provide a kind of in order to overcome the defect that above-mentioned prior art exists to realizeThe USB audio frequency apparatus of carplay and large current charge.
The purpose of this utility model can be achieved through the following technical solutions:
A USB audio frequency apparatus of realizing carplay and large current charge, comprises dividing up and down in housing and housingThe two-layer pcb board that layer arranges, described pcb board comprises:
Power panel, which is provided with connector, COBBAIF, power-switching circuit and USB input interface, described inConnector be provided with earphone interface and power supply input port, described earphone interface connects COBBAIF, described audio frequencyInterface also connects audio device, and described power supply input port connects on-vehicle battery, and is connected to power-switching circuit;
USB Bidirectional oralia, comprises information processing chip and USB bidirectional interface, described information processing chipAll be connected the power-switching circuit on power panel with USB bidirectional interface, described information processing chip passes through respectivelyThe communications cable connects USB bidirectional interface and USB input interface, and described USB bidirectional interface is for supporting carplayInterface.
Described connector is 8 row's pin type connectors.
Described on-vehicle battery is 13.5V battery.
Described power-switching circuit is DC/DC translation circuit, and its input connects on-vehicle battery, output bagDraw together 3.3V voltage output end and 5V voltage output end.
The power supply end of described information processing chip connects described 3.3V voltage output end.
On described power panel, also comprise current limiting switch, described USB bidirectional interface connects institute by current limiting switchThe 5V voltage output end of stating.
Described USB bidirectional interface is provided with 3, is respectively a USBSTD interface, the 2nd USBSTDInterface and USBMini interface.
Described connector is also provided with backlight electric power terminal, and this backlight electric power terminal connects LED.
Described power panel is connected by row's pin with USB Bidirectional oralia.
Described housing is plastic casing.
Compared with prior art, the utlity model has following advantage:
(1) the USB audio frequency apparatus of realizing large current charge of the present utility model adopts double-layer PCB board to realizeThe layout of circuit, compact conformation, floor space are little, easy to use;
(2) utilize the power supply of vehicle power as whole audio frequency apparatus, and by DC/DC translation circuit by vehicle-mountedSupply voltage converts 3.3V and 5V to, thereby realizes information processing chip power supply electricity different from current limiting switch in circuitThe demand of pressing, avoids using external voltage module to power, and greatly reduces costs;
(3) in the utility model, 3 USB bidirectional interfaces are all supported carplay function, also can carry out large simultaneouslyThe charging of electric current, can be up to 2.5A, has met the demand of mobile device large current charge, and 3 USB are two simultaneouslyIn interface, two USBSTD interfaces and a USBMini interface are set, thereby meet different mobile devicesDemand;
(4) the utility model components and parts are less, and cost is low, are convenient to volume production.
Brief description of the drawings
Fig. 1 is internal structure block diagram of the present utility model;
Fig. 2 is the structural representation of power panel of the present utility model;
Fig. 3 is the structural representation of USB Bidirectional oralia of the present utility model.
In figure, 1 is connector, and 2 is COBBAIF, and 3 is power-switching circuit, and 4 is current limiting switch, and 5 areUSB input interface, 6 is information processing chip, and 7 is a USBSTD interface, and 8 is the 2nd USBSTDInterface, 9 is USBMini interface.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Embodiment
As shown in Figures 1 to 3, a kind of USB audio frequency apparatus of realizing large current charge, comprises in housing and housingThe two-layer pcb board that arranges of upper lower leaf, described pcb board comprises: power panel, which is provided with connector 1,COBBAIF 2, power-switching circuit 3 and USB input interface 5, described connector 1 be provided with earphone interface,Power supply input port, described earphone interface connects COBBAIF 2, and described COBBAIF 2 also connects audio device,Described power supply input port connects on-vehicle battery, and is connected to power-switching circuit 3; USB Bidirectional oralia, bagDraw together information processing chip 6 and USB bidirectional interface, described information processing chip 6 and USB bidirectional interface all connectConnect power panel power source change-over circuit 3, described information processing chip 6 connects USB by the communications cable respectivelyBidirectional interface and USB input interface 5. Described housing is plastic casing, makes this equipment lightly convenient, instituteThe power panel of stating is connected by row's pin with USB Bidirectional oralia.
Wherein said connector 1 is 8 row's pin type connectors 1, and wherein 4 row's pins are earphone interface, a rowPin is power supply input port, the battery that the on-vehicle battery that described power supply input port connects is 13.5V, two row's pinsFor earth terminal, also having row's pin is backlight electric power terminal, and this backlight electric power terminal connects LED. Described USBInput interface 5 is USBMini mouth, for connecting Vehicle Controller. Described power-switching circuit 3 is DC/DCTranslation circuit, its input connects 13.5V battery, and output comprises 3.3V voltage output end and 5V voltageOutput, described DC/DC translation circuit is first converted to 13.5V voltage 5V and passes through 5V Voltage-outputEnd output, is then converted to 5V 3.3V and exports by 3.3V voltage output end, described information processing coreThe power supply end of sheet 6 connects described 3.3V voltage output end. On described power panel, also comprise current limiting switch4, described USB bidirectional interface connects described 5V voltage output end by current limiting switch 4. Described USBBidirectional interface is provided with 3, is respectively a USBSTD interface 7, the 2nd USBSTD interface 8 and USB9,3 USB bidirectional interfaces of Mini interface all can be realized carplay function, also can carry out filling of large electric current simultaneouslyElectricity, can be up to 2.5A, has met the demand of mobile device large current charge, when the access of USB bidirectional interface is movedWhen equipment, can select vehicle-mounted master controller pattern, realize carplay function by controlling mobile device, also simultaneouslyCan select charge mode pattern, thereby carry out large current charge.
Claims (10)
1. a USB audio frequency apparatus of realizing carplay and large current charge, is characterized in that, comprises housingWith the two-layer pcb board that the upper lower leaf in housing arranges, described pcb board comprises:
Power panel, which is provided with connector (1), COBBAIF (2), power-switching circuit (3) and USB defeatedIncoming interface (5), described connector (1) is provided with earphone interface and power supply input port, and described earphone interface connectsConnect COBBAIF (2), described COBBAIF (2) also connects audio device, and described power supply input port connects carLive pond, and be connected to power-switching circuit (3);
USB Bidirectional oralia, comprises information processing chip (6) and USB bidirectional interface, described information processingChip (6) is all connected the power-switching circuit (3) on power panel, described information processing with USB bidirectional interfaceChip (6) connects USB bidirectional interface and USB input interface (5), described USB by the communications cable respectivelyBidirectional interface is the interface of supporting carplay.
2. a kind of USB audio frequency apparatus of realizing carplay and large current charge according to claim 1,It is characterized in that, described connector (1) is 8 row's pin type connectors (1).
3. a kind of USB audio frequency apparatus of realizing carplay and large current charge according to claim 1,It is characterized in that, described on-vehicle battery is 13.5V battery.
4. a kind of USB audio frequency apparatus of realizing carplay and large current charge according to claim 1,It is characterized in that, described power-switching circuit (3) is DC/DC translation circuit, and its input connects vehicle mounted electricPond, output comprises 3.3V voltage output end and 5V voltage output end.
5. a kind of USB audio frequency apparatus of realizing carplay and large current charge according to claim 4,It is characterized in that, the power supply end of described information processing chip (6) connects described 3.3V voltage output end.
6. a kind of USB audio frequency apparatus of realizing carplay and large current charge according to claim 4,It is characterized in that, also comprise current limiting switch (4) on described power panel, described USB bidirectional interface is by limitStream switch (4) connects described 5V voltage output end.
7. a kind of USB audio frequency apparatus of realizing carplay and large current charge according to claim 6,It is characterized in that, described USB bidirectional interface is provided with 3, is respectively a USBSTD interface (7),Two USBSTD interfaces (8) and USBMini interface (9).
8. a kind of USB audio frequency apparatus of realizing carplay and large current charge according to claim 1,It is characterized in that, described connector (1) is also provided with backlight electric power terminal, and this backlight electric power terminal connects LED.
9. a kind of USB audio frequency apparatus of realizing carplay and large current charge according to claim 1,It is characterized in that, described power panel is connected by row's pin with USB Bidirectional oralia.
10. a kind of USB audio frequency apparatus of realizing carplay and large current charge according to claim 1,It is characterized in that, described housing is plastic casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521083434.9U CN205249467U (en) | 2015-12-23 | 2015-12-23 | Realize carplay and big electricity charging's USB audio equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521083434.9U CN205249467U (en) | 2015-12-23 | 2015-12-23 | Realize carplay and big electricity charging's USB audio equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205249467U true CN205249467U (en) | 2016-05-18 |
Family
ID=55948527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521083434.9U Expired - Fee Related CN205249467U (en) | 2015-12-23 | 2015-12-23 | Realize carplay and big electricity charging's USB audio equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205249467U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109756803A (en) * | 2017-11-03 | 2019-05-14 | 深圳市冠旭电子股份有限公司 | A kind of earphone |
-
2015
- 2015-12-23 CN CN201521083434.9U patent/CN205249467U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109756803A (en) * | 2017-11-03 | 2019-05-14 | 深圳市冠旭电子股份有限公司 | A kind of earphone |
| CN109756803B (en) * | 2017-11-03 | 2024-02-27 | 深圳市冠旭电子股份有限公司 | Earphone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201814 A seventh, No. 60 Yuan Yuan Road, Anting Town, Jiading District, Shanghai. Patentee after: Ann Po Fu Central Electric (Shanghai) Co., Ltd. Address before: 201814 A seventh, No. 60 Yuan Yuan Road, Anting Town, Jiading District, Shanghai. Patentee before: Delphi Central Electric (Shanghai) Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20181223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |