CN205158347U - A on -vehicle wireless data terminal of AUX interface and power supply interface is provided - Google Patents
A on -vehicle wireless data terminal of AUX interface and power supply interface is provided Download PDFInfo
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- CN205158347U CN205158347U CN201520983592.3U CN201520983592U CN205158347U CN 205158347 U CN205158347 U CN 205158347U CN 201520983592 U CN201520983592 U CN 201520983592U CN 205158347 U CN205158347 U CN 205158347U
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- usb
- aux
- signal output
- pole double
- interface
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Abstract
The utility model relates to an on -vehicle wireless data terminal of AUX interface and power supply interface is provided. Its purpose is in order to provide a simple structure, the manifold on -vehicle data terminal of function. The utility model discloses a USB connector, a single -pole double -throw and the 2nd single -pole double -throw. The feeder ear is gone into to the power input termination of USB connector, two pins of first difference signal input part and second difference signal input part in the middle of the USB connector are connected with a single -pole double -throw and the 2nd single -pole double -throw's output respectively, two inputs of a single -pole double -throw and the 2nd single -pole double -throw are connected with audio signal output and usb signal end respectively, controller and central controller internet access are deliver through using to the feeder ear, central controller is connected or is connected with the usb signal end and controls with the audio signal output a single -pole double -throw and the 2nd single -pole double -throw's input through the control signal output.
Description
Technical field
The utility model relates to a kind of vehicle-mounted data terminal, particularly relates to a kind of onboard wireless data terminal providing AUX interface and power supply interface.
Background technology
Existing onboard wireless data terminal only has the external charging port of a 5V, function singleness, does not more have and is connected with the AUX entrance on car, and carry out the function of music, and the onboard wireless data terminal of this function singleness more and more cannot meet the demand of people.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of structure simple, design the onboard wireless data terminal that AUX interface and power supply interface are provided that is ingenious, diverse in function.
The utility model provides the onboard wireless data terminal of AUX interface and power supply interface, wherein, comprise central controller, USB connector, first switching device shifter and the second switching device shifter, first differential signal input of USB connector is connected with the output terminal of the first switching device shifter, the input end of the first switching device shifter is connected with the first usb signal end and the first audio signal output end respectively, second differential signal input of USB connector is connected with the output terminal of the second switching device shifter, the input end of the second switching device shifter is connected with the second usb signal end and the second audio signal output end respectively, first usb signal end, first audio signal output end, second usb signal end is connected with the signal output part of central controller respectively with the second audio signal output end, the control end of the first switching device shifter is connected with control signal output terminal respectively with the control end of the second switching device shifter, control signal output terminal is connected with the control signal output terminal of central controller, USB connector is provided with multiple USB interface.
The utility model provides the onboard wireless data terminal of AUX interface and power supply interface, wherein said first switching device shifter and the second switching device shifter are respectively the first single-pole double-throw switch (SPDT) and the second single-pole double-throw switch (SPDT), the output terminal of the first single-pole double-throw switch (SPDT) is connected with the first differential signal input of USB connector, two input ends of the first single-pole double-throw switch (SPDT) are connected with the first usb signal end and the first audio signal output end respectively, the output terminal of the second single-pole double-throw switch (SPDT) is connected with the differential signal input of USB connector, two input ends of the second single-pole double-throw switch (SPDT) are connected with the second usb signal end and the second audio signal output end respectively.
The utility model provides the onboard wireless data terminal of AUX interface and power supply interface, and the power input access feeder ear of wherein said USB connector, feeder ear is connected with the signal output part of application delivery controller.
The utility model provides the onboard wireless data terminal of AUX interface and power supply interface, the power input of wherein said USB connector is connected by the first wire with between feeder ear, first wire is drawn the second wire, the other end access zero potential point of the second wire, second wire is in series with the 3rd resistance and the second resistance, draw privates between 3rd resistance and the second resistance, the signal output part of application delivery controller and the other end of privates be connected.
The utility model provides the onboard wireless data terminal of AUX interface and power supply interface, and wherein said control signal output terminal draws the 5th wire, and the other end access zero potential point of the 5th wire, the 5th wire is provided with the first resistance.
The utility model provides the onboard wireless data terminal of AUX interface and power supply interface, and the voltage of wherein said feeder ear is 5V.
The utility model provides the onboard wireless data terminal of AUX interface and power supply interface, and the earth terminal of wherein said USB connector accesses zero potential point by privates, and privates are provided with the first inductance.
The utility model provides the onboard wireless data terminal difference from prior art of AUX interface and power supply interface to be: the power input access feeder ear of the utility model USB connector, the first differential signal input and the second differential signal input two pins in the middle of USB connector are connected with the output terminal of the first single-pole double-throw switch (SPDT) and the second single-pole double-throw switch (SPDT) respectively, first single-pole double-throw switch (SPDT) is connected with audio signal output end and signal end respectively with two input ends of the second single-pole double-throw switch (SPDT), central controller is connected with delivery controller network, by delivery controller, central controller judges that input is sound signal or current signal, and send control signal by central controller to control signal output terminal, thus control the first single-pole double-throw switch (SPDT) is be connected with audio signal output end or with usb signal end with the second single-pole double-throw switch (SPDT), thus realize USB connector supplying power for outside and the external dual-use function exporting AUX signal.When having multiple electrical appliance to need to charge, the multiple USB interface in USB connector can be charged to each electrical appliance simultaneously.
The onboard wireless data terminal of AUX interface and power supply interface is provided to be described further below in conjunction with accompanying drawing to the utility model.
Accompanying drawing explanation
Fig. 1 provides the circuit structure diagram of the onboard wireless data terminal of AUX interface and power supply interface for the utility model.
Embodiment
As shown in Figure 1, provide the circuit structure diagram of the onboard wireless data terminal of AUX interface and power supply interface, comprise central controller CPU, USB connector 7, first single-pole double-throw switch (SPDT) 8 and the second single-pole double-throw switch (SPDT) 9.The power input VUSB of USB connector 7 is by the first wire access feeder ear VCC, the voltage of feeder ear VCC is 5V, first wire is drawn the second wire, the other end access zero potential point of the second wire, second wire is in series with the 3rd resistance R3 and the second resistance R2, draw privates between 3rd resistance R3 and the second resistance R2, the other end of privates is connected with the signal output part of application delivery controller ADC.The earth terminal GND of USB connector 7 accesses zero potential point by privates, and privates are provided with the first inductance L 1.First differential signal input DM of USB connector 7 is connected with the output terminal of the first single-pole double-throw switch (SPDT) 8, two input ends of the first single-pole double-throw switch (SPDT) are connected with the first usb signal end USB-DM and the first audio signal output end AUX-R respectively, and the control end of the first single-pole double-throw switch (SPDT) 8 is connected with control signal output terminal SW.Second differential signal outputs DP of USB connector 7 is connected with the output terminal of the second single-pole double-throw switch (SPDT) 9, two input ends of the second single-pole double-throw switch (SPDT) are connected with the second usb signal end USB-DP and the second audio signal output end AUX-L respectively, and the control end of the second single-pole double-throw switch (SPDT) 9 is connected with control signal output terminal SW.First usb signal end USB-DM, the first audio signal output end AUX-R, the second usb signal end USB-DP are connected with the signal output part of central controller CPU respectively with the second audio signal output end AUX-L, control signal output terminal SW is connected with the control signal output terminal of central controller CPU, control signal output terminal SW draws the 5th wire, the other end access zero potential point of the 5th wire, the 5th wire is provided with the first resistance R1.USB connector 7 is provided with multiple USB interface.
Principle of work of the present utility model is: the first audio signal output end AUX-R, the second audio signal output end, the first usb signal end USB-DM are connected with central controller CPU respectively with the second usb signal end USB-DP.When needs carry out music, central controller CPU controls the first single-pole double-throw switch (SPDT) 8 and the first audio signal output end AUX-R and the second audio signal output end AUX-L connected respectively by the second single-pole double-throw switch (SPDT) 9, first audio signal output end AUX-R and the external output audio signal of the second audio signal output end AUX-L, and respectively by the first single-pole double-throw switch (SPDT) 8 and the second single-pole double-throw switch (SPDT) 9 by audio signal transmission to USB connector, USB connector is by the external output audio signal of USB interface.When needing when there being electrical appliance to charge, the voltage signal that application delivery controller ADC detects, and by voltage signal by Internet Transmission to central controller device CPU, central controller CPU externally exports a high level signal by control signal output terminal SW, thus the input end of the input end of the first single-pole double-throw switch (SPDT) 8 and the second single-pole double-throw switch (SPDT) 9 is switched, first single-pole double-throw switch (SPDT) 8 and the second single-pole double-throw switch (SPDT) 9 are connected with the first usb signal end USB-DM and the second usb signal end USB-DP respectively, first usb signal end USB-DM and the external output current of the second usb signal end USB-DP, and respectively by the first single-pole double-throw switch (SPDT) 8 and the second single-pole double-throw switch (SPDT) 9 by current delivery to USB connector, USB connector is by the external output current of USB interface, for electrical appliance charges.
The utility model provides the onboard wireless data terminal of AUX interface and power supply interface, the power input access feeder ear VCC of USB connector 7, the first differential signal input DM and the second differential signal input DP two pins in the middle of USB connector 7 are connected with the output terminal of the first single-pole double-throw switch (SPDT) 8 and the second single-pole double-throw switch (SPDT) 9 respectively, first single-pole double-throw switch (SPDT) 8 is connected with audio signal output end and usb signal end respectively with two input ends of the second single-pole double-throw switch (SPDT) 9, central controller CPU is connected with delivery controller ADC network, by delivery controller ADC, central controller CPU judges that input is sound signal or current signal, and send control signal by central controller CPU to control signal output terminal SW, thus control the first single-pole double-throw switch (SPDT) 8 is be connected with audio signal output end or with usb signal end with the second single-pole double-throw switch (SPDT) 9, thus realize USB connector 7 supplying power for outside and the external dual-use function exporting AUX signal.When having multiple electrical appliance to need to charge, the multiple USB interface in USB connector 7 can be charged to each electrical appliance simultaneously.The utility model structure is simple, design ingenious, diverse in function, compared with prior art has obvious advantage.
Above-described embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.
Claims (7)
1. one kind provides the onboard wireless data terminal of AUX interface and power supply interface, it is characterized in that: comprise central controller (CPU), USB connector (7), first switching device shifter and the second switching device shifter, first differential signal input (DM) of USB connector (7) is connected with the output terminal of the first switching device shifter, the input end of the first switching device shifter is connected with the first usb signal end (USB-DM) and the first audio signal output end (AUX-R) respectively, second differential signal input (DP) of USB connector (7) is connected with the output terminal of the second switching device shifter, the input end of the second switching device shifter is connected with the second usb signal end (USB-DP) and the second audio signal output end (AUX-L) respectively, first usb signal end (USB-DM), first audio signal output end (AUX-R), second usb signal end (USB-DP) is connected with the signal output part of central controller (CPU) respectively with the second audio signal output end (AUX-L), the control end of the first switching device shifter is connected with control signal output terminal (SW) respectively with the control end of the second switching device shifter, control signal output terminal (SW) is connected with the control signal output terminal of central controller (CPU), (7) are provided with multiple USB interface to USB connector.
2. the onboard wireless data terminal that AUX interface and power supply interface are provided according to claim 1, it is characterized in that: described first switching device shifter and the second switching device shifter are respectively the first single-pole double-throw switch (SPDT) (8) and the second single-pole double-throw switch (SPDT) (9), the output terminal of the first single-pole double-throw switch (SPDT) (8) is connected with first differential signal input (DM) of USB connector (7), two input ends of the first single-pole double-throw switch (SPDT) (8) are connected with the first usb signal end (USB-DM) and the first audio signal output end (AUX-R) respectively, the output terminal of the second single-pole double-throw switch (SPDT) (9) is connected with the differential signal input (DP) of USB connector (7), two input ends of the second single-pole double-throw switch (SPDT) are connected with the second usb signal end (USB-DP) and the second audio signal output end (AUX-L) respectively.
3. the onboard wireless data terminal that AUX interface and power supply interface are provided according to claim 2, it is characterized in that: the power input (VUSB) of described USB connector (7) accesses feeder ear (VCC), and feeder ear (VCC) is connected with the signal output part of application delivery controller (ADC).
4. the onboard wireless data terminal that AUX interface and power supply interface are provided according to claim 3, it is characterized in that: the power input (VUSB) of described USB connector (7) is connected by the first wire with between feeder ear (VCC), first wire is drawn the second wire, the other end access zero potential point of the second wire, second wire is in series with the 3rd resistance (R3) and the second resistance (R2), privates is drawn between 3rd resistance (R3) and the second resistance (R2), the signal output part of application delivery controller (ADC) and the other end of privates be connected.
5. the onboard wireless data terminal that AUX interface and power supply interface are provided according to claim 3, it is characterized in that: described control signal output terminal (SW) draws the 5th wire, the other end access zero potential point of the 5th wire, the 5th wire is provided with the first resistance (R1).
6. the onboard wireless data terminal providing AUX interface and power supply interface according to claim 3, is characterized in that: the voltage of described feeder ear (VCC) is 5V.
7. the onboard wireless data terminal that AUX interface and power supply interface are provided according to claim 1, it is characterized in that: the earth terminal (GND) of described USB connector (7) accesses zero potential point by privates, and privates are provided with the first inductance (L1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520983592.3U CN205158347U (en) | 2015-12-02 | 2015-12-02 | A on -vehicle wireless data terminal of AUX interface and power supply interface is provided |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520983592.3U CN205158347U (en) | 2015-12-02 | 2015-12-02 | A on -vehicle wireless data terminal of AUX interface and power supply interface is provided |
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| CN205158347U true CN205158347U (en) | 2016-04-13 |
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| CN201520983592.3U Expired - Fee Related CN205158347U (en) | 2015-12-02 | 2015-12-02 | A on -vehicle wireless data terminal of AUX interface and power supply interface is provided |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113206681A (en) * | 2021-04-26 | 2021-08-03 | Oppo广东移动通信有限公司 | Network device |
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2015
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113206681A (en) * | 2021-04-26 | 2021-08-03 | Oppo广东移动通信有限公司 | Network device |
| CN113206681B (en) * | 2021-04-26 | 2022-07-08 | Oppo广东移动通信有限公司 | Network device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A on -vehicle wireless data terminal of AUX interface and power supply interface is provided Effective date of registration: 20170307 Granted publication date: 20160413 Pledgee: Huaxia Bank Limited by Share Ltd Zhongguancun Beijing branch Pledgor: BEIJING HI-TECH ZHONGTIAN TECHNOLOGY CO., LTD. Registration number: 2017990000159 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180702 Granted publication date: 20160413 Pledgee: Huaxia Bank Limited by Share Ltd Zhongguancun Beijing branch Pledgor: BEIJING HI-TECH ZHONGTIAN TECHNOLOGY CO., LTD. Registration number: 2017990000159 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A on -vehicle wireless data terminal of AUX interface and power supply interface is provided Effective date of registration: 20180704 Granted publication date: 20160413 Pledgee: Beijing Intellectual Property Management Co., Ltd. Pledgor: BEIJING HI-TECH ZHONGTIAN TECHNOLOGY CO., LTD. Registration number: 2018990000532 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20191202 |