CN206790617U - A kind of 4K high definitions transmitter - Google Patents
A kind of 4K high definitions transmitter Download PDFInfo
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- CN206790617U CN206790617U CN201720575101.0U CN201720575101U CN206790617U CN 206790617 U CN206790617 U CN 206790617U CN 201720575101 U CN201720575101 U CN 201720575101U CN 206790617 U CN206790617 U CN 206790617U
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Abstract
The utility model discloses a kind of 4K high definitions transmitter of HD video transmission field, including signal processing chip and power supply, signal processing chip connects infrared input port, infrared output port and HDMI input/output interface, signal processing chip connects audio input end by multidigit audio digital to analog converter chip, signal processing chip passes through RS232 transponder chips and RS232 class data communications, signal processing chip is inputted by SPDIF input ports and SPDIF output ports, export digital audio and video signals, signal processing chip connects HDBaseT interfaces by network transformer, signal processing chip is connected by chips of Ethernet exchange with RJ45 network terminals and transmitting network data.The utility model realizes the digital UNICOM between the video source of high-fidelity and remote display terminals, ensure that image quality and definition content ensure 4K, meets the development trend of video industry.
Description
Technical field
HD video transmission field is the utility model is related to, is to be related to a kind of 4K high definitions transmitter specifically.
Background technology
Existing high definition Transmission system（Such as AMX DX-RX and DX-TX transmission box）The biography of 4K format videos is not supported
It is defeated, and with the development of video industry, the demand of the digital UNICOM between video source and remote display terminals for high-fidelity
Increasingly increase, existing Transmission system can not fully meet the demand in this market.During video fidelity is increased,
Requirement for transformat also more and more higher, the transmission range of HDMI wire is short, has been not enough to fully meet technology from now on
Need.
Drawbacks described above, it is worth solving.
The content of the invention
In order to overcome the shortcomings of existing technology, the utility model provides a kind of 4K high definitions transmitter.
Technical solutions of the utility model are as described below：
A kind of 4K high definitions transmitter, it is characterised in that including signal processing chip and power supply,
Audio input end is connected by multidigit audio digital to analog converter chip with the signal processing chip,
Infrared input port is connected with the signal processing chip, and the infrared input is remembered with the low and high level duration
Infrared code value is recorded, and the infrared code value is sent to the signal processing chip, the signal processing chip and infrared output
End connection, infrared signal is converted into by infrared emission head, and controls infrared equipment, and RS232 classes data pass through RS232 transceivers
Chip is connected with the signal processing chip,
Digital audio and video signals are by SPDIF input ports and the input of SPDIF output ports, output, the SPDIF inputs
Mouth and the SPDIF output ports are connected with digital audio optical-fibre channel with the signal processing chip,
The signal processing chip is connected with network transformer, the network transformer connection HDBaseT interface connections,
HDMI input/output interfaces are connected with the signal processing chip, and HDMI signals are changed into HDBaseT forms hair
The signal processing chip is sent to, and receives the HDBaseT signals that the signal processing chip is sent and changes into HDMI signals,
Network data is connected with RJ45 network terminal interfaces, the RJ45 network terminals by chips of Ethernet exchange with
The signal processing chip connection.
According to the utility model of such scheme, it is characterised in that the signal processing chip is VS2000TX chips.
According to the utility model of such scheme, it is characterised in that the power supply supplies for direct current 48V 2A adapters
Electricity or POE power supplies.
According to the utility model of such scheme, it is characterised in that the multidigit audio digital to analog converter chip is
CS5343 process chips.
According to the utility model of such scheme, it is characterised in that the infrared input is 3.5mm JACK sockets, institute
It is 2pin phoenix head interfaces to state infrared output end.
According to the utility model of such scheme, it is characterised in that the RS232 transponder chips external connection RS232
Control signal input mouth, the RS232 control signal inputs mouth are 3pin phoenix head interfaces.
According to the utility model of such scheme, it is characterised in that the chips of Ethernet exchange is IP175D 100,000,000
Chips of Ethernet exchange.
According to the utility model of such scheme, it is characterised in that the signal processing chip is built in transmitter housing
It is interior.
Further, the upper surface of the transmitter housing is provided with surface radiating mouth, and its front is provided with panel thermovent.
Further, the transmitter housing rear be provided with two RJ45 network terminals interfaces, the HDMI input/
Output interface, the HDBaseT interfaces, the SPDIF input ports, the SPDIF output ports, RS232 control signals are defeated
Inbound port, infrared output end interface, the audio input port, infrared input end interface and power interface.
Further, the audio input port and the infrared input port are 3.5mm JACK sockets.
Further, the RS232 control signal inputs mouth is 3pin phoenix head interfaces.
Further, the infrared output end interface is 2pin phoenix head interfaces.
According to the utility model of such scheme, its advantage is, the utility model is for current high definition transmission system
Deficiency in system, is converted into HDBaseT by HDMI signals and control signal and carries out network transmission adding distance and ensure that image quality
Ensure 4K with definition content（4K 2K@30Hz YCbCr4:4:4 and 4K 2K@60Hz YCbCr4:2:0）, meet video industry
Development trend；And the utility model supports HDMI2.0 all key features；Audio is directly transparent from HDMI chipsets
Transmission, supports all reference formats（Such as Dolby Digital, DTS, Dolby TrueHD etc.）.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the top view of the utility model transmitter housing.
Fig. 3 is the structure schematic diagram of the utility model transmitter housing.
Fig. 4 is the front structure schematic diagram of the utility model transmitter housing.
Signal flow graph when Fig. 5 is the utility model RX states.
Signal flow graph when Fig. 6 is the utility model TX states.
In figure, 1, RJ45 network terminal interfaces；2nd, RJ45 network terminals interface；3rd, HDMI input/output interfaces；4、
HDBaseT interfaces；5th, SPDIF input ports；6th, SPDIF output ports；7th, RS232 control signal inputs mouth；8th, it is infrared defeated
Go out end interface；9th, audio input port；10th, infrared input end interface；11st, power interface；12nd, surface radiating mouth；13rd, panel dissipates
Hot mouth；14th, LED.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is further described embodiment：
As shown in figure 1, a kind of 4K high definitions transmitter, including signal processing chip and power supply, signal processing chip are
VS2000TX chips；Power supply is that direct current 48V 2A adapters are powered or POE power supplies, convenient power supply mode improve equipment
Mobility.
Audio input end AUDIO IN are connected by multidigit audio digital to analog converter chip with signal processing chip.Audio is defeated
Entering to hold AUDIO IN, multidigit audio digital to analog converter chip is CS5343 using 3.5mm JACK sockets input simulated audio signal
Process chip.
Infrared input is 3.5mm JACK sockets, and infrared input port is connected with signal processing chip, infrared input
Infrared code value is recorded with the low and high level duration, and infrared code value is sent to signal processing chip；Signal processing chip with
Infrared output end connection, infrared signal is converted into by infrared emission head, and controls infrared equipment, and infrared output end is 2pin phoenix
Phoenix head interface.
RS232 classes data are connected by+3.3V to+5V RS232 transponder chips SP232 with signal processing chip,
RS232 transponder chip external connection RS232 control signal input mouths, RS232 control signal inputs mouth are 3pin phoenix
Head interface, the recognizable inputoutput data of RS232 transponder chips, to be communicated with master chip.
Digital audio and video signals carry out defeated by SPDIF input port SPDIF IN and SPDIF output port SPDIF OUT
Enter, export, SPDIF input ports and SPDIF output ports are connected with digital audio optical-fibre channel with signal processing chip.
Signal processing chip is connected with H7108 network transformers, network transformer connection HDBaseT interface connections.
HDBaseT signals are communicated by standard HDBaseT interfaces, and HDBaseT2.0 supports highest 20Gbps transmission rate, energy
FULL 3D and 4K x 2K video formats are ideally supported, transmission using common CAT5e/6 network cables pass without compression
Defeated, connector also uses common RJ45 joints, and transmission range has reached 100 meters of 4K or 150 meters of 1080p, in addition, also
Ethernet feature, 100W power supply capacity are provided（PoE）With other control signal passages.
HDMI input/output interfaces are connected with signal processing chip, and HDMI signals are changed into HDBaseT forms is sent to
Signal processing chip, and reception signal process chip send HDBaseT signals and change into HDMI signals,
HDMI input/output interfaces connect signal processing chip corresponding pin, receive HDMI signals, and transformat may be up to
4K（4K 2K@30Hz YCbCr4:4:4 and 4K 2K@60Hz YCbCr4:2:0）, it is converted into HDBaseT forms and is transmitted.
Network data is connected with RJ45 network terminal interfaces, and RJ45 network terminals pass through chips of Ethernet exchange and signal
Process chip connects, and chips of Ethernet exchange is IP175D 100 m ethernet exchanger chips.2 RJ45 network terminal interfaces
The corresponding pin of IP175D 100 m ethernet exchanger chips is connected to, to receiving network data, and converts single-chip microcomputer identification
Data are sent to signal processing chip, when signal processing chip is sent out network data, and are first sent to IP175D 100,000,000
Chips of Ethernet exchange, network data format is converted to by it and sent.
As in Figure 2-4, signal processing chip is built in transmitter housing, and the upper surface of transmitter housing is provided with surface
Thermovent 12, its front are provided with panel thermovent 13 and 4 LEDs 14 for being used for instruction.
Specifically, transmitter housing rear be provided with two RJ45 network terminals interfaces 1 and 2, HDMI input/output interfaces 3,
HDBaseT interfaces 4, SPDIF input ports 5, SPDIF output ports 6, RS232 control signal inputs mouth 7, infrared output end
Interface 8, audio input port 9, infrared input end interface 10 and power interface 11.
Preferably, audio input port 9 and infrared input port 10 are 3.5mm JACK sockets；RS232 control signals
Input port 7 is 3pin phoenix head interfaces；Infrared output end interface 8 is 2pin phoenix head interfaces.
As seen in figs. 5-6, signal flow graph of the utility model in RX states and TX states, both differs only in
Moving towards for signal is different.By taking Fig. 5 RX states as an example：
The external input power or turned by the power supply that HDBaseT interfaces provide through network transformer that power supply is 48V 2A
48V 2A power supplys supply POE modules are turned to, are 12V DC power supply by POE module converters, then turns 5V circuit parts by 12V and turns
Turn to 5V power supplys, 5V power supplys through 5V turn 1.0V circuit parts and be converted into 1.0V to be supplied to processor chips；Turn 1.8V circuits through 5V
It is partially converted into 1.8V and is supplied to processor chips and network switch interface chip；Turn 3.3V circuit parts through 5V to be converted into
The chip that 3.3V is supplied to network switch interface chip, processor chips and other each signal transactings is powered.
The data of HDBaseT interface HDBaseT forms, through network transformer convert voltage to processor chips
Match somebody with somebody, then broadcast data to processor chips, analyzed and processed by processor chips in house software, by variant categorical data
Exported respectively from corresponding pin：Simulated audio signal is externally exported by analogue audio frequency output pin；HDMI signals are defeated by HDMI
Go out pin externally to export；DAB fiber-optic signal is defeated to reach digital audio-frequency data by being connected to processor corresponding pin
Enter the effect of output；Data debugging, infrared, download program and serial communication externally export through each corresponding circuits part respectively.
TX is that each signal is input in Fig. 6, after processor chips software is integrated into HDBaseT forms, passes through HDBaseT
Interface externally exports.
The utility model make it possible high-fidelity video source and remote display terminals between digital UNICOM.
HDBaseT enable farthest transmission 100 meters of the 4K or 150 meters of 1080p of multimedia flow transmission of plug and play CAT5E with
Upper cable.It can reach unpressed high-fidelity/3D for transmission of video and be up to 4K resolution ratio, can be any with legend for audio
Standard audio format, the TV for supporting to authorize with 100M Ethernets ability, hi-fi equipment, computer and other consumer electronics are set
Standby communicates with each other and immediately accesses multimedia storage content, possesses various control mode（It is infrared including CEC, RS232
Deng）, using POE power supplys or 48V local power supplies, convenient power supply mode improves the mobility of equipment.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Exemplary description is carried out to the utility model patent above in conjunction with accompanying drawing, it is clear that the reality of the utility model patent
Now be not subject to the restrictions described above, if employ the utility model patent methodology and technical scheme carry out it is various
Improve, or it is not improved the design of the utility model patent and technical scheme are directly applied into other occasions, in this reality
With in new protection domain.
Claims (10)
- A kind of 1. 4K high definitions transmitter, it is characterised in that including signal processing chip and power supply,Audio input end is connected by multidigit audio digital to analog converter chip with the signal processing chip,Infrared input port is connected with the signal processing chip, and the infrared input is recorded red with the low and high level duration Outer code value, and the infrared code value is sent to the signal processing chip, the signal processing chip connects with infrared output end Connect, infrared signal is converted into by infrared emission head, and control infrared equipment, RS232 classes data pass through RS232 transponder chips It is connected with the signal processing chip,Digital audio and video signals by SPDIF input ports and SPDIF output ports input, output, the SPDIF input ports and The SPDIF output ports are connected with digital audio optical-fibre channel with the signal processing chip,The signal processing chip is connected with network transformer, the network transformer connection HDBaseT interface connections,HDMI input/output interfaces are connected with the signal processing chip, and HDMI signals are changed into HDBaseT forms is sent to The signal processing chip, and receive the HDBaseT signals that the signal processing chip is sent and change into HDMI signals,Network data is connected with RJ45 network terminal interfaces, the RJ45 network terminals by chips of Ethernet exchange with it is described Signal processing chip connects.
- 2. 4K high definitions transmitter according to claim 1, it is characterised in that the power supply is adapted to for direct current 48V 2A Device is powered or POE power supplies.
- 3. 4K high definitions transmitter according to claim 1, it is characterised in that the multidigit audio digital to analog converter chip is CS5343 process chips.
- 4. 4K high definitions transmitter according to claim 1, it is characterised in that the chips of Ethernet exchange is IP175D 100 m ethernet exchanger chip.
- 5. 4K high definitions transmitter according to claim 1, it is characterised in that the signal processing chip is built in transmitter In housing.
- 6. 4K high definitions transmitter according to claim 5, it is characterised in that the upper surface of the transmitter housing is provided with table Face thermovent, its front are provided with panel thermovent.
- 7. 4K high definitions transmitter according to claim 5, it is characterised in that the transmitter housing rear is provided with two institutes State RJ45 network terminals interface, the HDMI input/output interfaces, the HDBaseT interfaces, the SPDIF input ports, institute State SPDIF output ports, RS232 control signal inputs mouth, infrared output end interface, the audio input port, infrared defeated Enter end interface and power interface.
- 8. 4K high definitions transmitter according to claim 7, it is characterised in that the audio input port and described infrared defeated Inbound port is 3.5mm JACK sockets.
- 9. 4K high definitions transmitter according to claim 7, it is characterised in that the RS232 control signal inputs mouth is 3pin phoenix head interfaces.
- 10. 4K high definitions transmitter according to claim 7, it is characterised in that the infrared output end interface is 2pin phoenix Phoenix head interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720575101.0U CN206790617U (en) | 2017-05-23 | 2017-05-23 | A kind of 4K high definitions transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720575101.0U CN206790617U (en) | 2017-05-23 | 2017-05-23 | A kind of 4K high definitions transmitter |
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| Publication Number | Publication Date |
|---|---|
| CN206790617U true CN206790617U (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720575101.0U Active CN206790617U (en) | 2017-05-23 | 2017-05-23 | A kind of 4K high definitions transmitter |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107018347A (en) * | 2017-05-23 | 2017-08-04 | 深圳市鸿哲智能系统工程有限公司 | A kind of 4K high definitions transmitter |
| CN108924457A (en) * | 2018-08-03 | 2018-11-30 | 中船重工（武汉）凌久电子有限责任公司 | A kind of multi-video interface input/output control system |
-
2017
- 2017-05-23 CN CN201720575101.0U patent/CN206790617U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107018347A (en) * | 2017-05-23 | 2017-08-04 | 深圳市鸿哲智能系统工程有限公司 | A kind of 4K high definitions transmitter |
| CN108924457A (en) * | 2018-08-03 | 2018-11-30 | 中船重工（武汉）凌久电子有限责任公司 | A kind of multi-video interface input/output control system |
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