CN208905196U - A kind of audio data transmission platform - Google Patents
A kind of audio data transmission platform Download PDFInfo
- Publication number
- CN208905196U CN208905196U CN201821537736.2U CN201821537736U CN208905196U CN 208905196 U CN208905196 U CN 208905196U CN 201821537736 U CN201821537736 U CN 201821537736U CN 208905196 U CN208905196 U CN 208905196U
- Authority
- CN
- China
- Prior art keywords
- module
- signal
- audio
- logic array
- model
- Prior art date
- 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.)
- Active
Links
Landscapes
- Optical Communication System (AREA)
Abstract
The utility model provides a kind of audio data transmission platform, including first circuit board, for the audio signal of input and/or on-off model to be converted to optical signal；Optical fiber, one end are connected with the first circuit board, are used for transmission the optical signal；Second circuit board is connected with the other end of optical fiber, for receiving the optical signal, and the optical signal is converted to audio signal and/or on-off model exports.The audio data transmission platform transmits audio data and switching value data suitable for clinical magnetic resonance scanning circumstance, using optical signal transmission, strong antijamming capability；Meanwhile field programmable gate array parallel processing is also used, function amplification may be implemented, can be achieved at the same time more multichannel audio signal and On-off signal output function.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of audio data transmission platforms.
Background technique
In magnetic resonance imaging room, audio is the transmission of sound signals inside and outside scanning room；Switching value includes various (not only sounds
Frequently open and close command signal), subject feedback key, warning key etc..In the prior art, audio data and switching value number
According to electric signal transmission is all used, disadvantage is first is that since it is desired that the problems such as considering filtering, shielding, cable is very long, using relaying, letter
Number decaying is serious；Disadvantage is second is that be very difficult to avoid completely interfering with each other between electric signal and magnetic resonance signal.
Therefore, cable length in audio data in the prior art and switching value data transmission process, signal decaying how to be solved
Problem is interfered with each other between serious and electric signal and magnetic resonance signal, becomes current technical problem urgently to be solved.
Utility model content
The utility model in view of the above technical problems, provides a kind of audio data transmission platform, using optical cable transmission, letter
Number decay less and strong antijamming capability.
The utility model is to provide a kind of audio data transmission platform for solving the technical solution of the above technical problem,
A kind of audio data transmission platform, including first circuit board, for being converted to the audio signal of input and/or on-off model
Optical signal；
Optical fiber, one end are connected with the first circuit board is connected to, and are used for transmission the optical signal；
Second circuit board is connected with the other end of optical fiber, is converted to for receiving the optical signal, and by the optical signal
Audio signal and/or on-off model are exported.
Optionally, first circuit board includes: the first signal conversion module, for receiving audio analog signals and by audio mould
Quasi- signal is converted to audio digital signals；
First logic array module is connected with first signal conversion module, is used for transmission the audio digital signals；
With
First light delivery module is connected with first logic array module, for converting the audio digital signals
For optical signal, and the optical signal is exported under the control of first logic array module；
First logic array module is also used to control optical signal output；
Second circuit board includes: the second light delivery module, is connected by the optical fiber with first light delivery module, is used
In the optical signal is converted to audio digital signals；
Second logic array module is connected with the second light delivery module, is used for transmission the audio digital signals；
Second signal conversion module is connected with second logic array module, for turning the audio digital signals
It changes audio analog signals into and exports the audio analog signals.
Optionally, first circuit board includes: at least one first switch amount input terminal, is used for input switch amount signal；
First logic array module is connected with the first switch amount input terminal, is used for transmission the on-off model；
First light delivery module is connected with first logic array module, for being converted to the on-off model
Optical signal, and export the optical signal；
First logic array module is also used to control optical signal output；
Second circuit board includes: the second light delivery module, is connected by the optical fiber with first light delivery module, is used
In the optical signal signal is converted to on-off model；
Second logic array module, and the second light delivery module and is connected, is used for transmission the on-off model and exports
The on-off model；
Second switch amount port, for exporting the on-off model.
Optionally, first circuit board includes:
At least one first switch amount input terminal is used for input switch amount signal；
First signal conversion module, for receiving audio analog signals and audio analog signals being converted to digital audio letter
Number；
First logic array module is connected with the first switch amount input terminal and the first signal conversion module, and being used for will
The on-off model and the audio digital signals are packaged as data packet signal；
First light delivery module is connected with first logic array module, for being converted to the data packet signal
Optical signal；
Second circuit board includes: the second light delivery module, is connected by the optical fiber with first light delivery module, is used
In the optical signal is converted to data packet signal；
Second logic array module is connected with the second light delivery module, for the data packet signal to be decomposed into switch
Signal and audio digital signals are measured, and the on-off model is transferred to second switch amount port, the digital audio is believed
Number it is transferred to second signal conversion module；
Second switch amount port, is connected with the second logic array module, for exporting the on-off model；
Second signal conversion module is connected with second logic array module, for turning the audio digital signals
It changes audio analog signals into and exports the audio analog signals.
Optionally, the first signal conversion module includes: the first audio input end, is used for input audio analog signal；First
Audio output, for exporting audio analog signals；
First signal conversion module includes: the second audio input end, is used for input audio analog signal；Second audio output
End, for exporting audio analog signals；
First switch amount output end is also used to export on-off model；Second switch amount port is also used to input switch amount letter
Number.
Optionally, first circuit board further includes the first state indicator light being connected with first switch amount port, for connecing
It is lighted when receiving on-off model；
Second circuit board further includes the second status indicator lamp being connected with second switch amount port, for receiving switch
It is lighted when measuring signal.
Optionally, when 1 end Input of the first logic array module, 2 end Input, 3 end Input, 4 end Input,
When 5 end Input, 6 end Input, 7 end Input, the termination of Input 8 receive on-off model, accordingly pass through
1 end Output, 2 end Output, 3 end Output, 4 end Output, 5 end Output, 6 end Output, 7 end Output
With 8 end Output first state indicator light is lighted.
Optionally, the VM_12C_SCK at the end VM_12C_SCK of the first signal conversion module and the first logic array module
End is connected, and the end VM_12C_SDA of the first signal conversion module is connected with the end VM_12C_SDA of the first logic array module, the
The end VM_BCLK of one signal conversion module is connected with the end VM_BCLK of the first logic array module, the first signal conversion module
The end VM_DACDAT is connected with the end VM_DACDAT of the first logic array module, the end VM_DACLRC of the first signal conversion module
It is connected with the end VM_DACLRC of the first logic array module, the end VM_ADCDAT of the first signal conversion module and the first logic array
The end VM_ADCDAT of column module is connected, the end VM_ADCLRC of the first signal conversion module and the VM_ of the first logic array module
The end ADCLRC is connected；
The optical communication interface of first light delivery module is connected with optical fiber.
Optionally, the end E_MDIO of the first logic array module is connected with the end E_MDIO of the first light delivery module, the
The end E_MDC of one logic array module is connected with the end E_MDC of the first light delivery module, the E_ of the first logic array module
The end TXCLK is connected with the end E_TXCLK of the first light delivery module.
On the other hand, present invention also provides a kind of audio data transmission platforms, including first circuit board, for that will input
Audio signal and/or on-off model be converted to optical signal；
Optical fiber, one end are connected with the first circuit board is connected to, and are used for transmission the optical signal；
Second circuit board is connected with the other end of optical fiber, is converted to for receiving the optical signal, and by the optical signal
Audio signal and/or on-off model are exported；
First circuit board includes:
At least one first switch amount input terminal is used for input switch amount signal；
First signal conversion module, for receiving audio analog signals and audio analog signals being converted to digital audio letter
Number；
First logic array module is connected with the first switch amount input terminal and the first signal conversion module, and being used for will
The on-off model and the audio digital signals are packaged as data packet signal；
First light delivery module is connected with first logic array module, for being converted to the data packet signal
Optical signal；
First state indicator light is connected, for lighting when receiving on-off model with first switch amount port；
Second circuit board includes: the second light delivery module, is connected by the optical fiber with first light delivery module, is used
In the optical signal is converted to data packet signal；
Second logic array module is connected with the second light delivery module, for the data packet signal to be decomposed into switch
Signal and audio digital signals are measured, and the on-off model is transferred to second switch amount port, the digital audio is believed
Number it is transferred to second signal conversion module；
Second switch amount port, is connected with the second logic array module, for exporting the on-off model；
Second signal conversion module is connected with second logic array module, for turning the audio digital signals
It changes audio analog signals into and exports the audio analog signals；
Second status indicator lamp is connected, for lighting when receiving on-off model with second switch amount port；
The end VM_12C_SCK of first signal conversion module is connected with the end VM_12C_SCK of the first logic array module,
The end VM_12C_SDA of first signal conversion module is connected with the end VM_12C_SDA of the first logic array module, the first signal
The end VM_BCLK of conversion module is connected with the end VM_BCLK of the first logic array module, the VM_ of the first signal conversion module
The end DACDAT is connected with the end VM_DACDAT of the first logic array module, the end VM_DACLRC of the first signal conversion module with
The end VM_DACLRC of first logic array module is connected, the end VM_ADCDAT of the first signal conversion module and the first logic array
The end VM_ADCDAT of module is connected, the end VM_ADCLRC of the first signal conversion module and the VM_ of the first logic array module
The end ADCLRC is connected；The optical communication interface of first light delivery module is connected with optical fiber；
The end E_MDIO of first logic array module is connected with the end E_MDIO of the first light delivery module, the first logic array
The end E_MDC of column module is connected with the end E_MDC of the first light delivery module, the end E_TXCLK of the first logic array module with
The end E_TXCLK of first light delivery module is connected；
When 1 end Input of the first logic array module, 2 end Input, 3 end Input, 4 end Input, Input 5
End, 6 end Input, 7 end Input, the termination of Input 8 be when receive on-off model, accordingly by 1 end Output,
2 end Output, 3 end Output, 4 end Output, 5 end Output, 6 end Output, 7 end Output and Output 8
End is so that first state indicator light lights.
The utility model provides a kind of audio data transmission platform, has following technical effect that firstly, the utility model
The audio data transmission platform of offer transmits audio data and switching value data using optical signal transmission, anti-interference ability
By force；Meanwhile field programmable gate array (hereinafter referred to as FPGA) parallel processing is also used, function amplification may be implemented,
It can be achieved at the same time more multichannel audio signal and On-off signal output function.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 is the schematic diagram of audio data transmission platform provided by the utility model；
Fig. 2 is the circuit diagram of the first signal conversion module in Fig. 1；
Fig. 3 is the circuit diagram of the first logic array module in Fig. 1；
Fig. 4 is the circuit diagram of the first light delivery module in Fig. 1.
Specific embodiment
In order to enable those skilled in the art that the utility model is more clearly understood, below in conjunction with attached drawing and specifically
Embodiment does further detailed description to the utility model.
The Integral Thought of the utility model is will to be easy disturbed electric signal and be converted into optical signal to export, due to adopting
It is transmitted with optical signal, therefore, there is no need to filter electric signal, shield, shorten length of cable, directly adopt optical fiber progress
Short-distance transmission, so that electric signal be avoided to decay serious problem；On the other hand, optical signal, which carries out transmission, can also avoid telecommunications
Number interfering with each other between NMR signal, i.e. strong antijamming capability, so that the transmission of audio data and switching value data
It is apparent accurate.
Fig. 1 is the schematic diagram of audio data transmission platform provided by the utility model.
As shown in Figure 1, the utility model provides a kind of audio data transmission platform, a kind of audio data transmission platform,
Including first circuit board 1, for the audio signal of input and/or on-off model to be converted to optical signal；Optical fiber 3, one end with
It is connected to the first circuit board 1 to be connected, is used for transmission the optical signal；Second circuit board 2 is connected with the other end of optical fiber 3,
For receiving the optical signal, and the optical signal is converted into audio signal and/or on-off model exports；Optical fiber 3,
It is connected between the first circuit board 1 and second circuit board 2, is used for transmission the optical signal.
Wherein, first circuit board 1 includes: the first signal conversion module 11, for receiving audio analog signals and by audio
Analog signal is converted to audio digital signals；First logic array module 12 is connected with first signal conversion module 11, uses
In the transmission audio digital signals；With the first light delivery module 13, it is connected with first logic array module 12, is used for
The audio digital signals are converted into optical signal, and export the light letter under the control of first logic array module 12
Number；First logic array module 12 is also used to control optical signal output.Second circuit board 2 includes: the second light delivery module
23, it is connected with first light delivery module 13, for the optical signal to be converted to audio digital signals；Second logic array
Module 22 is connected with the second light delivery module 23, is used for transmission the audio digital signals；Second signal conversion module 21, with
Second logic array module 22 is connected, for the audio digital signals to be converted into described in audio analog signals and output
Audio analog signals.When data transfer platform only receives audio analog signals, then by the above process to audio mould
Quasi- signal is transmitted.
Further, data transfer platform is also used to transmitting switch amount signal.First circuit board 1 include: at least one
One switching value port 14 is used for input switch amount signal；First logic array module 12, with 14 phase of first switch amount port
Even, it is used for transmission the on-off model；First light delivery module 13 is connected with first logic array module 12, is used for
The on-off model is converted into optical signal, and exports the optical signal；First logic array module 12 is also used to control
Optical signal output processed.Second circuit board 2 includes: the second light delivery module 23, is connected with first light delivery module 13, is used for
The optical signal signal is converted into on-off model；Second logic array module 22, and the second light delivery module 23 and is connected,
It is used for transmission the on-off model and exports the on-off model；Second switch amount port 24, for exporting the switch
Measure signal.
The conversion of above-mentioned audio analog signals and on-off model and transmission process are not interfere with each other, and receive audio when simultaneously
When analog signal and on-off model, at least one first switch amount port 14 is used for input switch amount signal；First letter
Number conversion module 11, for receiving audio analog signals and audio analog signals being converted to audio digital signals；First logic
Array module 12 is connected with first switch amount port 14 and the first signal conversion module 11, for believing the switching value
Number and the audio digital signals be packaged as data packet signal；First light delivery module 13, with first logic array module
12 are connected, for the data packet signal to be converted to optical signal；First logic array module 12 is also used to control optical signal biography
It is defeated.Second circuit board 2 includes: the second light delivery module 23, is connected by the optical fiber 3 with first light delivery module 13,
For the optical signal to be converted to data packet signal；Second logic array module 22 is connected with the second light delivery module 23, uses
In the data packet signal is decomposed into on-off model and audio digital signals, and the on-off model is transferred to second
The audio digital signals are transferred to second signal conversion module 21 by switching value port 24；Second switch amount port 24, with
Two logic array modules 22 are connected, for exporting the on-off model；Second signal conversion module 21, with second logic
Array module 22 is connected, and believes for the audio digital signals to be converted into audio analog signals and export the audio frequency simulation
Number.
It is to be appreciated that the first signal conversion module 11 includes: the first audio input end, for input audio simulation letter
Number；First audio output, for exporting audio analog signals；First signal conversion module 11 includes: the second audio input end,
For input audio analog signal；Second audio output, for exporting audio analog signals；It also uses first switch amount port 14
In output on-off model；Second switch amount port 24 is used for input switch amount signal.It is to be appreciated that above-mentioned first audio is defeated
Enter end, the first audio input end, the second audio input end and the second audio output number can be it is multiple, to realize multichannel
Output and input function.Data transmitting between first circuit board and second circuit board can be bi-directional, that is, audio frequency simulation
Signal and on-off model can be inputted from first circuit board is transmitted to second circuit board output, can also be defeated from second circuit board
Enter to be transmitted to first circuit board output, therefore, the present embodiment is both provided with sound on first circuit board and second circuit board simultaneously
Frequency input terminal, audio output, switching value port, such setting is so that user passes in the audio data of connection the utility model
When defeated platform, first circuit board 1 and second circuit board 2 are needed not distinguish between.Conversely, when using the second sound on second circuit board 2
When frequency input terminal receives audio analog signals and the reception on-off model of second switch amount port 24, audio signal and switch
Amount signal can also be transferred in first circuit board 1 from second circuit board 2 by the data transmission procedure opposite with the above process,
Finally, audio analog signals are exported by the first signal conversion module and first switch amount port 14 exports on-off model.
Detailed process is second switch amount port 24, is used for input switch amount signal；Second signal conversion module 21 is used
In reception audio analog signals and audio analog signals are converted into audio digital signals；Second logic array module 22, with institute
It states second switch amount port 24 to be connected with second signal conversion module 21, is used for transmission the on-off model and/or the sound
Frequency digital signal；Second light delivery module 23 is connected with second logic array module 22, is used for transmission the switching value letter
Number or the audio digital signals, and when simultaneously receive the on-off model and audio digital signals when, by the switch
Amount signal and audio digital signals are converted to optical signal, and export the optical signal.First light delivery module 13, with described second
Light delivery module 23 is connected, for the optical signal to be converted to on-off model or audio digital signals or data packet signal；
First logic array module 12, with the first light delivery module 13, first switch amount port 14 and the first signal conversion module
11 are connected, and for the on-off model to be transferred to first switch amount port 14, or the audio digital signals are transferred to
Is decomposed into on-off model and audio digital signals with signal conversion module, or by the digital packet signals, and switching value is believed
It number is transferred to first switch amount port 14 and audio digital signals is transferred to the first signal conversion module 11；First switch amount end
Mouth 14, is connected, for exporting on-off model with the first logic array module 12；First signal conversion module 11, with described
One logic array module 12 is connected, for the audio digital signals to be converted into audio analog signals and export the audio mould
Quasi- signal.
Therefore, audio data and switching value data can flow to second circuit board 2 from first circuit board 1, can also be from
Two circuit boards 2 flow to first circuit board 1, the circulation of data between first circuit board 1 and second circuit board 2 be it is two-way, it is above-mentioned
The data circuit that each port is connected with module is also reversible link, makes user in connection first circuit board 1 and the
It is needed not distinguish between when two circuit boards 2, so that connection is more convenient, and audio analog signals and switching value may be implemented
Bidirectional data transmission function.It is to be appreciated that the audio analog signals of input include and the first audio input end or the second audio
Audio analog signals caused by the connected computer (hereinafter referred to as PC) of input terminal, microphone, sound pick-up outfit or other players；
The audio analog signals of output can pass through the earphone being connected with the first audio output or the second audio output or loudspeaking
Device plays audio.
Fig. 2 is the circuit diagram of the first signal conversion module 11 in Fig. 1.
As shown in Figure 2, wherein 1 end Line_In of the first signal conversion module 11 be the first audio input end, directly with
External input device, if PC, microphone, sound pick-up outfit or other players are connected, for receiving sound caused by external equipment
Frequency analog signal, the audio analog signals received are converted into audio digital signals in the first signal conversion module 11, then
Export audio digital signals.1 end the first audio output Line_Out of first signal conversion module 11 is the first audio output
End, directly and output peripheral equipment, such as earphone is connected with loudspeaker equipment, output audio analog signals.
Fig. 3 is the circuit diagram of the first logic array module 12 in Fig. 1；It can see in conjunction with Fig. 2 and Fig. 3, first
The end VM_12C_SCK of signal conversion module 11 is connected with the end VM_12C_SCK of the first logic array module 12, the first signal
The end VM_12C_SDA of conversion module 11 is connected with the end VM_12C_SDA of the first logic array module 12, the first signal modulus of conversion
The end VM_BCLK of block 11 is connected with the end VM_BCLK of the first logic array module 12, the VM_ of the first signal conversion module 11
The end DACDAT is connected with the end VM_DACDAT of the first logic array module 12, the VM_DACLRC of the first signal conversion module 11
End is connected with the end VM_DACLRC of the first logic array module 12, the end VM_ADCDAT and first of the first signal conversion module 11
The end VM_ADCDAT of logic array module 12 is connected, the end VM_ADCLRC of the first signal conversion module 11 and the first logic array
The end VM_ADCLRC of module 12 is connected, and by above-mentioned connection, audio digital signals are exported to the first logic array module 12.
In the present embodiment, it can be in other embodiments it that the first logic array module, which is field programmable gate array,
His chip, it is not limited here.
Fig. 4 is the circuit diagram of the first light delivery module 13 in Fig. 1.It can see in conjunction with Fig. 3 and Fig. 4, the first logic
The end E_TXEN of array module 12 is connected with the end E_TXEN of the first light delivery module 13, the E_ of the first logic array module 12
The end TXD0 is connected with the end E_TXD0 of the first light delivery module 13, the end E_TXD1 and first of the first logic array module 12
The end E_TXD1 of light delivery module 13 is connected, the end E_TXD2 of the first logic array module 12 and the first light delivery module 13
The end E_TXD2 be connected, the end the E_TXD3 phase at the end E_TXD3 of the first logic array module 12 and the first light delivery module 13
Connection, the end E_RXD0 of the first logic array module 12 are connected with the end E_RXD0 of the first light delivery module 13, the first logic
The end E_RXD1 of array module 12 is connected with the end E_RXD1 of the first light delivery module 13, the first logic array module 12
The end E_RXD2 is connected with the end E_RXD2 of the first light delivery module 13, the end E_RXD3 of the first logic array module 12 and the
The end E_RXD3 of one light delivery module 13 is connected, the end E_RXCLK of the first logic array module 12 and the first light delivery module
13 end E_RXCLK is connected, the E_RXDV at the end E_RXDV of the first logic array module 12 and the first light delivery module 13
End is connected；On the other hand, on-off model by 1 end Input, 2 end Input, 3 end Input, 4 end Input,
5 end Input, 6 end Input, 7 end Input, the either port at 8 end Input or multiple above-mentioned ports are input to first and patrol
It collects in display module, gives the first light delivery module 13 by the first logic array module transfer.It is realized by above-mentioned connection by sound
Frequency digital signal or on-off model or data packet signal are transferred in the first light delivery module 13 and in the first light delivery module
Optical signal is converted by audio digital signals or the transmission of on-off model or data packet signal in 13.
It is to be appreciated that when the first logic array module receives audio digital signals simultaneously and opens light amount signal
It waits, the two is packaged as data packet signal by FPGA agreement and is transferred to the first light output module by the first logic array module.
Further, the end the E_MDIO phase at the end E_MDIO of the first logic array module 12 and the first light delivery module 13
Connection, the end E_MDC of the first logic array module 12 are connected with the end E_MDC of the first light delivery module 13, the first logic array
The end E_TXCLK of column module 12 is connected with the end E_TXCLK of the first light delivery module 13, by above-mentioned connection so that first
The optical communication capabilities of the first light delivery module 13 of control may be implemented in logic array module 12.
The structure of second circuit board 2 is identical as the structure of first circuit board 1, and details are not described herein.
Further, first circuit board 1 further includes the first state indicator light 15 being connected with first switch amount port 14, is used
In being lighted when receiving on-off model；Second circuit board 2 further includes the second state being connected with second switch amount port 24
Indicator light 25, for being lighted when receiving on-off model.Specifically, by taking first circuit board as an example, when the first logic array
1 end Input of module, 2 end Input, 3 end Input, 4 end Input, 5 end Input, 6 end Input, 7 end Input,
The termination of Input 8 is when receive on-off model, accordingly by 1 end Output, 2 end Output, 3 end Output,
4 end Output, 5 end Output, 6 end Output, 7 end Output and 8 end Output make first state indicator light 15 bright
It rises, normal to prompt user's on-off model to receive, indication signal transmission is normal.
The circuit of circuit structure and work connection type and above-mentioned first circuit board 1 in second circuit board 2 (being detailed in Fig. 1)
Structure is similar with work connection type, and this will not be repeated here.
Each system and module provided by the utility model are the hardware such as circuit, chip, in the circuit structure of each module,
Such as the other functions circuit structure such as function of supplying power, defencive function is common knowledge, therefore, this will not be repeated here.
In conclusion audio data transmission platform provided by the utility model to audio data and is opened using optical signal transmission
Pass amount data are transmitted, strong antijamming capability；Meanwhile also using field programmable gate array (hereinafter referred to as FPGA)
Parallel processing may be implemented function amplification, can be achieved at the same time more multichannel audio signal and On-off signal output function.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations all should belong to the protection scope of the appended claims for the utility model.
Claims (10)
1. a kind of audio data transmission platform, which is characterized in that the audio signal including first circuit board (1), for will input
And/or on-off model is converted to optical signal；
Optical fiber (3), one end are connected with the first circuit board (1) is connected to, and are used for transmission the optical signal；
Second circuit board (2) is connected with the other end of optical fiber (3), converts for receiving the optical signal, and by the optical signal
It is exported for audio signal and/or on-off model.
2. audio data transmission platform according to claim 1, which is characterized in that first circuit board (1) includes: the first letter
Number conversion module (11), for receiving audio analog signals and audio analog signals being converted to audio digital signals；
First logic array module (12) is connected with first signal conversion module (11), is used for transmission the digital audio
Signal；With
First light delivery module (13) is connected with first logic array module (12), is used for the audio digital signals
Optical signal is converted to, and exports the optical signal under the control of first logic array module (12)；
First logic array module (12) is also used to control optical signal output；
Second circuit board (2) includes: the second light delivery module (23), passes through the optical fiber (3) and first light delivery module
(13) it is connected, for the optical signal to be converted to audio digital signals；
Second logic array module (22) is connected with the second light delivery module (23), is used for transmission the audio digital signals；
Second signal conversion module (21) is connected, for believing the digital audio with second logic array module (22)
It number is converted into audio analog signals and exports the audio analog signals.
3. audio data transmission platform according to claim 1, which is characterized in that first circuit board (1) includes: at least one
A first switch amount port (14) is used for input switch amount signal；
First logic array module (12) is connected with first switch amount port (14), is used for transmission the on-off model；
First light delivery module (13) is connected with first logic array module (12), for turning the on-off model
It is changed to optical signal, and exports the optical signal；
First logic array module (12) is also used to control optical signal output；
Second circuit board (2) includes: the second light delivery module (23), passes through the optical fiber (3) and first light delivery module
(13) it is connected, for the optical signal signal to be converted to on-off model；
Second logic array module (22) is connected with the second light delivery module (23), is used for transmission the on-off model；
Second switch amount port (24) is connected, for exporting the on-off model with second logic array module (22).
4. audio data transmission platform according to claim 1, which is characterized in that first circuit board (1) includes:
At least one first switch amount port (14) is used for input switch amount signal；
First signal conversion module (11), for receiving audio analog signals and audio analog signals being converted to digital audio letter
Number；
First logic array module (12) is connected with first switch amount port (14) and the first signal conversion module (11),
For the on-off model and the audio digital signals to be packaged as data packet signal；
First light delivery module (13) is connected with first logic array module (12), for turning the data packet signal
It is changed to optical signal；
Second circuit board (2) includes: the second light delivery module (23), passes through the optical fiber (3) and first light delivery module
(13) it is connected, for the optical signal to be converted to data packet signal；
Second logic array module (22) is connected with the second light delivery module (23), for the data packet signal to be decomposed into
On-off model and audio digital signals, and the on-off model is transferred to second switch amount port (24), by the sound
Frequency digital signal is transferred to second signal conversion module (21)；
Second switch amount port (24) is connected, for exporting the on-off model with the second logic array module (22)；
Second signal conversion module (21) is connected, for believing the digital audio with second logic array module (22)
It number is converted into audio analog signals and exports the audio analog signals.
5. according to any audio data transmission platform of claim 2-4, which is characterized in that the first signal conversion module
(11) include: the first audio input end, be used for input audio analog signal；First audio output, for exporting audio frequency simulation
Signal；
First signal conversion module (11) includes: the second audio input end, is used for input audio analog signal；Second audio output
End, for exporting audio analog signals；
First switch amount port (14) is also used to export on-off model；Second switch amount port (24), is also used to input switch
Measure signal.
6. audio data transmission platform according to claim 3 or 4, which is characterized in that first circuit board (1) further include with
The connected first state indicator light (15) in first switch amount port (14), for being lighted when receiving on-off model；
Second circuit board (2) further includes the second status indicator lamp (25) being connected with second switch amount port (24), for connecing
It is lighted when receiving on-off model.
7. audio data transmission platform according to claim 6, which is characterized in that the first logic array module (12)
1 end Input, 2 end Input, 3 end Input, 4 end Input, 5 end Input, 6 end Input, 7 end Input, Input 8
End accordingly passes through 1 end Output, 2 end Output, 3 end Output, Output for being respectively received on-off model
4 ends, 5 end Output, 6 end Output, 7 end Output and 8 end Output light first state indicator light (15).
8. according to any audio data transmission platform of claim 2-4, which is characterized in that the first signal conversion module
(11) the end VM_12C_SCK is connected with the end VM_12C_SCK of the first logic array module (12), the first signal conversion module
(11) the end VM_12C_SDA is connected with the end VM_12C_SDA of the first logic array module (12), the first signal conversion module
(11) the end VM_BCLK is connected with the end VM_BCLK of the first logic array module (12), the first signal conversion module (11)
The end VM_DACDAT is connected with the end VM_DACDAT of the first logic array module (12), the VM_ of the first signal conversion module (11)
The end DACLRC is connected with the end VM_DACLRC of the first logic array module (12), the VM_ of the first signal conversion module (11)
The end ADCDAT is connected with the end VM_ADCDAT of the first logic array module (12), the VM_ of the first signal conversion module (11)
The end ADCLRC is connected with the end VM_ADCLRC of the first logic array module (12)；
The optical communication interface (131) of first light delivery module (13) is connected with optical fiber (3).
9. audio data transmission platform according to claim 6, which is characterized in that the E_ of the first logic array module (12)
The end MDIO is connected with the end E_MDIO of the first light delivery module (13), the end E_MDC of the first logic array module (12) and the
The end E_MDC of one light delivery module (13) is connected, the end E_TXCLK of the first logic array module (12) and the first optical transport mould
The end E_TXCLK of block (13) is connected.
10. a kind of audio data transmission platform, which is characterized in that the audio signal including first circuit board (1), for will input
And/or on-off model is converted to optical signal；
Optical fiber (3), one end are connected with the first circuit board (1) is connected to, and are used for transmission the optical signal；
Second circuit board (2) is connected with the other end of optical fiber (3), converts for receiving the optical signal, and by the optical signal
It is exported for audio signal and/or on-off model；
First circuit board (1) includes:
At least one first switch amount port (14) is used for input switch amount signal；
First signal conversion module (11), for receiving audio analog signals and audio analog signals being converted to digital audio letter
Number；
First logic array module (12) is connected with first switch amount port (14) and the first signal conversion module (11),
For the on-off model and the audio digital signals to be packaged as data packet signal；
First light delivery module (13) is connected with first logic array module (12), for turning the data packet signal
It is changed to optical signal；
First state indicator light (15) is connected, for lighting when receiving on-off model with first switch amount port (14)；
Second circuit board (2) includes: the second light delivery module (23), passes through the optical fiber (3) and first light delivery module
(13) it is connected, for the optical signal to be converted to data packet signal；
Second logic array module (22) is connected with the second light delivery module (23), for the data packet signal to be decomposed into
On-off model and audio digital signals, and the on-off model is transferred to second switch amount port (24), by the sound
Frequency digital signal is transferred to second signal conversion module (21)；
Second switch amount port (24) is connected, for exporting the on-off model with the second logic array module (22)；
Second signal conversion module (21) is connected, for believing the digital audio with second logic array module (22)
It number is converted into audio analog signals and exports the audio analog signals；
Second status indicator lamp (25) is connected, for lighting when receiving on-off model with second switch amount port (24)；
The end the VM_12C_SCK phase at the end VM_12C_SCK of the first signal conversion module (11) and the first logic array module (12)
Even, the end VM_12C_SDA of the first signal conversion module (11) and the end the VM_12C_SDA phase of the first logic array module (12)
Even, the end VM_BCLK of the first signal conversion module (11) is connected with the end VM_BCLK of the first logic array module (12), and first
The end VM_DACDAT of signal conversion module (11) is connected with the end VM_DACDAT of the first logic array module (12), the first signal
The end VM_DACLRC of conversion module (11) is connected with the end VM_DACLRC of the first logic array module (12), the conversion of the first signal
The end VM_ADCDAT of module (11) is connected with the end VM_ADCDAT of the first logic array module (12), the first signal conversion module
(11) the end VM_ADCLRC is connected with the end VM_ADCLRC of the first logic array module (12)；First light delivery module (13)
Optical communication interface (131) is connected with optical fiber (3)；
The end E_MDIO of first logic array module (12) is connected with the end E_MDIO of the first light delivery module (13), and first patrols
The end E_MDC for collecting array module (12) is connected with the end E_MDC of the first light delivery module (13), the first logic array module
(12) the end E_TXCLK is connected with the end E_TXCLK of the first light delivery module (13)；
1 end Input, 2 end Input, 3 end Input, 4 end Input, 5 end Input, Input of first logic array module
6 ends, 7 end Input, 8 end Input accordingly pass through 1 end Output, Output 2 for being respectively received on-off model
End, 3 end Output, 4 end Output, the end Output5,6 end Output, 7 end Output and 8 end Output make first
Status indicator lamp (15) lights.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821537736.2U CN208905196U (en) | 2018-09-20 | 2018-09-20 | A kind of audio data transmission platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821537736.2U CN208905196U (en) | 2018-09-20 | 2018-09-20 | A kind of audio data transmission platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208905196U true CN208905196U (en) | 2019-05-24 |
Family
ID=66573004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821537736.2U Active CN208905196U (en) | 2018-09-20 | 2018-09-20 | A kind of audio data transmission platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208905196U (en) |
-
2018
- 2018-09-20 CN CN201821537736.2U patent/CN208905196U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11431625B2 (en) | Multi-functional circuity for communications networks and methods and devices utilizing same | |
| EP2609697B1 (en) | Scalable high speed gigabit active bundle link and tester | |
| CN105608031B (en) | For promoting the integrated circuit of the optic communication between electronic device | |
| CN212009333U (en) | Interface board compatible with multiple interface signals | |
| CN209590642U (en) | The conversion of underwater robot information and processing system | |
| CN102340355B (en) | A kind of method and device of adaptive optic fiber transmit-receive position | |
| CN115114206A (en) | Electric port module and Serdes interface switching method thereof | |
| CN208905196U (en) | A kind of audio data transmission platform | |
| CN106843091A (en) | The CAN test system and method for testing of comprehensive cable tester | |
| WO2013164374A2 (en) | Cable chip system | |
| TWI366964B (en) | Portable electronic instrument including at least one input/output terminal for establishing a communication with an electronic unit arranged within said instrument | |
| IL159851A0 (en) | Device for improving the transmission properties of a bundle of electrical data lines and a system for transmitting data | |
| CN207198837U (en) | USB sound cards | |
| CN209214748U (en) | A kind of Five-channel digital weighing transmitter | |
| CN201887881U (en) | Monitor of integrated embedded type video coder | |
| US7471897B1 (en) | Electrically looped back, fault emulating transceiver module | |
| US6154584A (en) | Optical analyzer with variable attenuators at inputs and outputs | |
| CN204539131U (en) | A kind of digital handset | |
| CN209330152U (en) | A kind of Power over Ethernet interchanger | |
| CN107346295A (en) | A kind of data transmission cable and data transmission method | |
| CN101778009B (en) | Wired network connection method and network device applying same | |
| CN206100208U (en) | A network pick -up device | |
| CN205232260U (en) | High -speed communication ware of keeping apart | |
| RU2000104710A (en) | AUTOMATED DIGITAL COMMUNICATION SYSTEM | |
| CN110798266A (en) | Light splitting device and computer storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |