CN208477515U - Vehicle-mounted CD host A UX turns usb audio transmitting device - Google Patents
Vehicle-mounted CD host A UX turns usb audio transmitting device Download PDFInfo
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- CN208477515U CN208477515U CN201820426485.4U CN201820426485U CN208477515U CN 208477515 U CN208477515 U CN 208477515U CN 201820426485 U CN201820426485 U CN 201820426485U CN 208477515 U CN208477515 U CN 208477515U
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Abstract
The utility model discloses a kind of vehicle-mounted CD host A UX to turn usb audio transmitting device, include AUX interface module, analogue audio frequency revolution word tone frequency module, control module, usb interface module and clock module, AUX interface module is used to handle the analog audio signal on acquisition AUX interface, analogue audio frequency revolution word tone frequency module is converted into digital audio and video signals with the analogue audio frequency that AUX interface module is connect for acquiring AUX interface module, control module is connect for carrying out calculation processing to digital audio and video signals with analogue audio frequency revolution word tone frequency module, usb interface module connect the USB interface for the digital audio and video signals handled well to be transferred to vehicle-mounted CD host with control module, clock module is separately connected analogue audio frequency revolution word tone frequency module and control module for providing synchronizing clock signals.The AUX that the utility model realizes vehicle-mounted CD host turns usb audio transmission.
Description
Technical field
The utility model relates to a kind of audio transmission device, especially a kind of vehicle-mounted CD host A UX turns usb audio transmission dress
It sets.
Background technique
With the intelligentized development of automobile mounted amusement equipment, the audio playing apparatus of middle control CD host, taking slowly
The audio playing function (i.e. AUX audio interface) of the external analog audio interface for the original indispensability that disappears.Gradually use USB or
The mode of this number of bluetooth transmits audio.But there are also a part of car owner and rear dress market need AUX this connects mostly absolutely
Mouth carries out the broadcasting of music to transmit audio to middle control CD host.And there was only USB interface for middle control CD host at present, do not have
The case where AUX interface, it is necessary to design a kind of AUX and turn usb audio transmitting device to carry out interface conversion transmission.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of vehicle-mounted CD host A UX to turn usb audio transmitting device.
In order to solve the above technical problems, the technical scheme adopted by the utility model is:
A kind of vehicle-mounted CD host A UX turns usb audio transmitting device, it is characterised in that: includes AUX interface module, analog audio
Frequency revolution word tone frequency module, control module, usb interface module and clock module, AUX interface module connect for handling acquisition AUX
Analog audio signal on mouth, analogue audio frequency revolution word tone frequency module are connect for adopting AUX interface module with AUX interface module
The analogue audio frequency of collection is converted into digital audio and video signals, and control module is connect with analogue audio frequency revolution word tone frequency module for number
Audio signal carries out calculation processing, and usb interface module is connect for transmitting the digital audio and video signals handled well with control module
To the USB interface of vehicle-mounted CD host, clock module is separately connected analogue audio frequency revolution word tone frequency module and control module for mentioning
For synchronizing clock signals.
Further, the control module includes chip U1, and 1 foot of chip U1 connects the one end resistance R17, and resistance R17 is another
One end ground connection, 5 feet of the 4 foot connecting interface P3 of chip U1, interface P3 1 foot connection the one end resistance R22 and connect power supply+
3.3V, 4 feet of resistance R22 other end connecting interface P3, the 2 feet ground connection of interface P3,3,4 feet of interface P3 are separately connected chip U1
19,20 feet, the 5 foot connection+3.3V power supplys of chip U1,10 feet of chip U1 connect the one end resistance R29, and 11 feet of chip U1 connect
13 feet of the one end connecting resistance R28, chip U1 connect the one end resistance R27, the 16 foot connection+3.3V power supplys of chip U1.
Further, the AUX interface module includes that 2,5 feet of AUX interface P4, AUX interface P4 are grounded, AUX interface P4
3 feet connection capacitor C16 one end, one end of the 4 feet connection capacitor C17 of AUX interface P4, the other end of capacitor C16 connects electricity
The one end R20 is hindered, the other end of capacitor C17 connects the one end resistance R21, and the other end of resistance R20 connects the one end capacitor C18, capacitor
C18 other end ground connection, the other end of resistance R21 connect the one end capacitor C19, capacitor C19 other end ground connection.
Further, the analogue audio frequency revolution word tone frequency module include chip U2, chip U2 1 foot connection capacitor C4 and
The other end of one end of capacitor C5, capacitor C4 and capacitor C5 are grounded, 2, the 5 feet ground connection of chip U2, the 3 foot connection+5V of chip U2
Power supply, the 4 foot connection+3.3V power supplys of chip U2,7 feet of chip U2 connect the resistance R29 other end, and 8 feet of chip U2 connect electricity
The other end of R28, the other end of the 9 feet connection resistance R27 of chip U2 are hindered, 10 feet of chip U2 connect the one end resistance R7, resistance
11 feet of R7 other end connection+3.3V power supply, chip U2 connect the one end resistance R6, resistance R6 other end connection+3.3V power supply, core
12 feet of piece U2 connect the one end resistance R11, the other end ground connection of resistance R11, and 13 and 14 feet of chip U2 are separately connected resistance R21
The other end and resistance R20 the other end.
Further, the clock module includes chip U6, the 1 foot connection capacitor C15 anode and crystal oscillator chip of chip U6
1 foot of X1,2 feet of crystal oscillator chip X1 and 4 feet ground connection, the anode and the 8 of chip U6 of the 3 feet connection capacitor C9 of crystal oscillator chip X1
Foot, the cathode of capacitor C15 and the cathode ground connection of capacitor C9, the 2 foot connection+3.3V power supplys of chip U6, the 3 feet ground connection of chip U6,
One end of the 4 feet connection resistance R31 of chip U6,2 feet of the other end connection chip U1 of resistance R31,5 feet of chip U6 connect electricity
The one end R26,6 feet of the other end connection chip U2 of resistance R26 are hindered, 6,7 feet of chip U6 are separately connected resistance R24 and resistance
The other end of one end of R25, resistance R24 and resistance R25 are grounded.
Further, the usb interface module include USB interface USB1, the 1 foot connection+5V power supply of USB interface USB1 and
2 feet of voltage stabilizing chip U4, the 1 foot ground connection of voltage stabilizing chip U4, the 3 foot connection+3.3V power supplys of voltage stabilizing chip U4, USB interface USB1
2 feet and 3 feet be separately connected one end of resistance R4 and one end of resistance R5, the other end of resistance R4 and the other end point of resistance R5
Not Lian Jie chip U1 17 feet and 18 feet, USB interface USB1 4 feet ground connection.
The utility model compared with prior art, has the following advantages that and effect: the utility model passes through analogue audio frequency and turns
The analog audio signal that AUX interface module acquires is converted digital signal by digital audio module, and calculates by processing module
It is exported after processing by usb interface module, the AUX for realizing vehicle-mounted CD host turns usb audio transmission.
Detailed description of the invention
Fig. 1 is that the vehicle-mounted CD host A UX of the utility model turns usb audio transmitting device module diagram.
Fig. 2 is that the vehicle-mounted CD host A UX of the utility model turns the integrated circuit figure of usb audio transmitting device.
Fig. 3 is the circuit diagram of the control module of the utility model.
Fig. 4 is the circuit diagram of the AUX interface module of the utility model.
Fig. 5 is the circuit diagram of the analogue audio frequency revolution word tone frequency module of the utility model.
Fig. 6 is the circuit diagram of the clock module of the utility model.
Fig. 7 is the circuit diagram of the usb interface module of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
As shown in Figure 1, a kind of vehicle-mounted CD host A UX of the utility model turns usb audio transmitting device, it include AUX interface
Module, analogue audio frequency revolution word tone frequency module, control module, usb interface module and clock module, AUX interface module is for locating
Analog audio signal on reason acquisition AUX interface, analogue audio frequency revolution word tone frequency module are connect for inciting somebody to action with AUX interface module
The analogue audio frequency of AUX interface module acquisition is converted into digital audio and video signals, control module and analogue audio frequency revolution word tone frequency module
For carrying out calculation processing to digital audio and video signals, usb interface module connect the number for will handle well with control module for connection
Word audio signal is transferred to the USB interface of vehicle-mounted CD host, clock module be separately connected analogue audio frequency revolution word tone frequency module and
Control module is for providing synchronizing clock signals.
As shown in Figures 2 and 3, control module includes chip U1, and 1 foot of chip U1 connects the one end resistance R17, and resistance R17 is another
One end ground connection, 5 feet of the 4 foot connecting interface P3 of chip U1, interface P3 1 foot connection the one end resistance R22 and connect power supply+
3.3V, 4 feet of resistance R22 other end connecting interface P3, the 2 feet ground connection of interface P3,3,4 feet of interface P3 are separately connected chip U1
19,20 feet, the 5 foot connection+3.3V power supplys of chip U1,10 feet of chip U1 connect the one end resistance R29, and 11 feet of chip U1 connect
13 feet of the one end connecting resistance R28, chip U1 connect the one end resistance R27, the 16 foot connection+3.3V power supplys of chip U1.
As shown in figure 4,2,5 feet that AUX interface module includes AUX interface P4, AUX interface P4 are grounded, the 3 of AUX interface P4
Foot connects one end of capacitor C16, one end of the 4 feet connection capacitor C17 of AUX interface P4, and the other end of capacitor C16 connects resistance
The one end R20, the other end of capacitor C17 connect the one end resistance R21, and the other end of resistance R20 connects the one end capacitor C18, capacitor C18
Other end ground connection, the other end of resistance R21 connect the one end capacitor C19, capacitor C19 other end ground connection.
As shown in figure 5, analogue audio frequency revolution word tone frequency module includes chip U2, the 1 foot connection capacitor C4 and electricity of chip U2
Hold one end of C5, the other end ground connection of capacitor C4 and capacitor C5,2, the 5 feet ground connection of chip U2, the 3 foot connection+5V electricity of chip U2
Source, the 4 foot connection+3.3V power supplys of chip U2,7 feet of chip U2 connect the resistance R29 other end, and 8 feet of chip U2 connect resistance
The other end of R28, the other end of the 9 feet connection resistance R27 of chip U2,10 feet of chip U2 connect the one end resistance R7, resistance R7
11 feet of other end connection+3.3V power supply, chip U2 connect the one end resistance R6, resistance R6 other end connection+3.3V power supply, chip
12 feet of U2 connect the one end resistance R11, the other end ground connection of resistance R11, and 13 and 14 feet of chip U2 are separately connected resistance R21's
The other end of the other end and resistance R20.
As shown in fig. 6, clock module includes chip U6, the 1 foot connection capacitor C15 anode and crystal oscillator chip X1 of chip U6
1 foot, 2 feet of crystal oscillator chip X1 and 4 feet ground connection, the anode of the 3 feet connection capacitor C9 of crystal oscillator chip X1 and 8 feet of chip U6, electricity
Hold the cathode of C15 and the cathode ground connection of capacitor C9, the 2 foot connection+3.3V power supplys of chip U6, the 3 feet ground connection of chip U6, chip U6
4 feet connection resistance R31 one end, 2 feet of the other end connection chip U1 of resistance R31,5 feet of chip U6 connect resistance R26
One end, 6 feet of the other end connection chip U2 of resistance R26,6,7 feet of chip U6 are separately connected the one of resistance R24 and resistance R25
The other end ground connection of end, resistance R24 and resistance R25.
As shown in fig. 7, usb interface module includes USB interface USB1, the 1 foot connection+5V power supply of USB interface USB1 and steady
2 feet of chip U4 are pressed, 1 foot of voltage stabilizing chip U4 is grounded, the 3 foot connection+3.3V power supplys of voltage stabilizing chip U4, and the 2 of USB interface USB1
Foot and 3 feet are separately connected one end of resistance R4 and one end of resistance R5, the other end of resistance R4 and the other end difference of resistance R5
Connect 17 feet and 18 feet of chip U1, the 4 feet ground connection of USB interface USB1.
The utility model is turned by the analog audio signal that analogue audio frequency revolution word tone frequency module acquires AUX interface module
Digital signal is turned to, and is exported after processing module calculation processing by usb interface module, the AUX of vehicle-mounted CD host is realized
Turn usb audio transmission.
Above content is only illustrate to examples for clearly illustrating the present invention described in this specification.The utility model
Person of ordinary skill in the field can make various modifications or additions to the described embodiments or using class
As mode substitute, content without departing from the utility model specification or surmount model defined in the claims
It encloses, all should belong to the protection range of the utility model.
Claims (6)
1. a kind of vehicle-mounted CD host A UX turns usb audio transmitting device, it is characterised in that: include AUX interface module, analogue audio frequency
Revolution word tone frequency module, control module, usb interface module and clock module, AUX interface module is for handling acquisition AUX interface
On analog audio signal, analogue audio frequency revolution word tone frequency module connect for acquiring AUX interface module with AUX interface module
Analogue audio frequency be converted into digital audio and video signals, control module is connect for logarithm word tone with analogue audio frequency revolution word tone frequency module
Frequency signal carries out calculation processing, and usb interface module is connect for being transferred to the digital audio and video signals handled well with control module
The USB interface of vehicle-mounted CD host, clock module are separately connected analogue audio frequency revolution word tone frequency module and control module for providing
Synchronizing clock signals.
2. vehicle-mounted CD host A UX described in accordance with the claim 1 turns usb audio transmitting device, it is characterised in that: the control mould
Block includes chip U1, and 1 foot of chip U1 connects the one end resistance R17, resistance R17 other end ground connection, the 4 foot connecting interfaces of chip U1
5 feet of P3,1 foot connection one end resistance R22 of interface P3 simultaneously connect power supply+3.3V, and the 4 of resistance R22 other end connecting interface P3
Foot, the 2 feet ground connection of interface P3,3,4 feet of interface P3 are separately connected the 19 of chip U1,20 feet, the 5 foot connection+3.3V of chip U1
Power supply, 10 feet of chip U1 connect the one end resistance R29, and 11 feet of chip U1 connect the one end resistance R28, the 13 feet connection of chip U1
The one end resistance R27, the 16 foot connection+3.3V power supplys of chip U1.
3. vehicle-mounted CD host A UX turns usb audio transmitting device according to claim 2, it is characterised in that: the AUX connects
Mouth mold block includes that 2,5 feet of AUX interface P4, AUX interface P4 are grounded, one end of the 3 feet connection capacitor C16 of AUX interface P4, AUX
One end of the 4 feet connection capacitor C17 of interface P4, the other end of capacitor C16 connect the one end resistance R20, and the other end of capacitor C17 connects
The one end connecting resistance R21, the other end of resistance R20 connect the one end capacitor C18, and capacitor C18 other end ground connection, resistance R21's is another
End connection one end capacitor C19, capacitor C19 other end ground connection.
4. vehicle-mounted CD host A UX described in accordance with the claim 3 turns usb audio transmitting device, it is characterised in that: the analog audio
Frequency revolution word tone frequency module includes chip U2, one end of the connection of 1 foot the capacitor C4 and capacitor C5 of chip U2, capacitor C4 and capacitor C5
Other end ground connection, 2, the 5 feet ground connection of chip U2, the 3 foot connection+5V power supplys of chip U2, the 4 foot connection+3.3V electricity of chip U2
Source, 7 feet of chip U2 connect the resistance R29 other end, the other end of the 8 feet connection resistance R28 of chip U2, and 9 feet of chip U2 connect
10 feet of the other end of connecting resistance R27, chip U2 connect the one end resistance R7, resistance R7 other end connection+3.3V power supply, chip U2
11 feet connect the one end resistance R6, resistance R6 other end connection+3.3V power supply, 12 feet of chip U2 connect the one end resistance R11, electricity
The other end ground connection of R11 is hindered, 13 and 14 feet of chip U2 are separately connected the other end of resistance R21 and the other end of resistance R20.
5. vehicle-mounted CD host A UX turns usb audio transmitting device according to claim 4, it is characterised in that: the clock mould
Block includes chip U6,1 foot of 1 foot connection the capacitor C15 anode and crystal oscillator chip X1 of chip U6,2 feet and 4 feet of crystal oscillator chip X1
Ground connection, the anode of the 3 feet connection capacitor C9 of crystal oscillator chip X1 and 8 feet of chip U6, the cathode of capacitor C15 and the cathode of capacitor C9
Ground connection, the 2 foot connection+3.3V power supplys of chip U6, the 3 feet ground connection of chip U6, one end of the 4 feet connection resistance R31 of chip U6,
2 feet of the other end connection chip U1 of resistance R31,5 feet of chip U6 connect the one end resistance R26, the other end connection of resistance R26
6 feet of chip U2,6,7 feet of chip U6 are separately connected one end of resistance R24 and resistance R25, and resistance R24 and resistance R25's is another
One end ground connection.
6. vehicle-mounted CD host A UX described in accordance with the claim 3 turns usb audio transmitting device, it is characterised in that: the USB connects
Mouth mold block includes USB interface USB1,2 feet of the 1 foot connection+5V power supply and voltage stabilizing chip U4 of USB interface USB1, voltage stabilizing chip U4
1 foot ground connection, the 3 foot connection+3.3V power supplys of voltage stabilizing chip U4,2 feet and 3 feet of USB interface USB1 are separately connected resistance R4's
One end of one end and resistance R5, the other end of resistance R4 and the other end of resistance R5 are separately connected 17 feet and 18 feet of chip U1,
4 feet of USB interface USB1 are grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820426485.4U CN208477515U (en) | 2018-03-28 | 2018-03-28 | Vehicle-mounted CD host A UX turns usb audio transmitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820426485.4U CN208477515U (en) | 2018-03-28 | 2018-03-28 | Vehicle-mounted CD host A UX turns usb audio transmitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208477515U true CN208477515U (en) | 2019-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820426485.4U Expired - Fee Related CN208477515U (en) | 2018-03-28 | 2018-03-28 | Vehicle-mounted CD host A UX turns usb audio transmitting device |
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|---|---|
| CN (1) | CN208477515U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108255765A (en) * | 2018-03-28 | 2018-07-06 | 广州凯蒂诺信息科技有限公司 | Vehicle-mounted CD host As UX turns usb audio transmitting device and its transmission method |
-
2018
- 2018-03-28 CN CN201820426485.4U patent/CN208477515U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108255765A (en) * | 2018-03-28 | 2018-07-06 | 广州凯蒂诺信息科技有限公司 | Vehicle-mounted CD host As UX turns usb audio transmitting device and its transmission method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20190205 Termination date: 20210328 |