CN204733260U - Hdmi signal switching adapter - Google Patents
Hdmi signal switching adapter Download PDFInfo
- Publication number
- CN204733260U CN204733260U CN201520395930.1U CN201520395930U CN204733260U CN 204733260 U CN204733260 U CN 204733260U CN 201520395930 U CN201520395930 U CN 201520395930U CN 204733260 U CN204733260 U CN 204733260U
- Authority
- CN
- China
- Prior art keywords
- module
- signal
- hdmi
- signal switching
- input
- 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
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The utility model provides a kind of HDMI signal switching adapter to comprise signal input module, signal output module, the signal switching module be connected with signal input module successively, video processing module and described signal output module; Described command reception module receives control command from MCU control module; Described signal input module comprises 4 road HDMI signal inputs, and described signal output module exports 1 road HDMI signal; Described signal switching module is used for selectively HDMI input signal being sent to described video processing module from described signal input module.This HDMI signal switching adapter is loaded with four road HDMI input terminals, wherein arbitrary road HDMI signal can be outputted to TV end, facilitate use.This adapter meets HDMI2.0 specification, support HDCP? do 2.2 plate gauge models, support 4K2K? 60Hz transmits, and makes audio-visual devices use more convenient, comfortable, efficiently, also more energy-conservation.
Description
Technical field
The utility model relates to signal shifter field, particularly relates to a kind of HDMI signal switching adapter supporting 4K2K 60Hz version.
Background technology
Along with the development of video display technology, ultra high-definition has been a kind of pursuit.Nowadays there is the video display technology of 4Kx2K ultrahigh resolution, such as HDMI 1.4b video communication protocols; At present increasing display apparatus and video capture device all start to provide support the hardware of 4K resolution; But the equipment of not all hardware all supports HDMI2.0, the 24Hz/30Hz before this HDMI 2.0 compares, improves 50Hz/60Hz by transmission speed, and picture can be allowed more smooth.
In addition, when demonstrating multimedia audio-visual equipment, there is the playing audio/video needing output multi-channel HDMI signal, these HDMI signal output apparatus need to be wired to respectively on the display device of compatible high-definition signal, but the quantity of live play equipment and display device is not necessarily mated, or some display device often will change the program of the different playback equipment of display, if plug HDMI Signal plug back and forth, waste time on the one hand, easily damage HDMI Signal plug, socket on the other hand.A kind of matrix switcher switching to multichannel HDMI to output signal to multichannel HDMI input signal is needed in market badly.
Utility model content
The technical problems to be solved in the utility model is: provide a kind of and will support that the multichannel of HDMI 2.0 communication protocol turns the HDMI signal switching adapter of two-way.
For achieving the above object, the utility model provides a kind of HDMI signal switching adapter, comprises the signal input module of input HDMI digital signal and the signal output module for exporting HDMI digital signal.
Wherein, described HDMI signal switching adapter also comprises: the signal switching module be connected with described signal input module successively, video processing module and described signal output module, described signal switching module and audio-frequency module and command reception model calling, described command reception module receives control command from MCU control module; Described signal input module comprises 4 road HDMI signal inputs, and described signal output module exports 1 road HDMI signal; Described signal switching module is used for from described signal input module, selectively HDMI input signal being sent to described video processing module and being exported by described signal output module.
Further, the data that described signal output module receives also comprise from the control signal of described command reception module reception and from described audio-frequency module received audio signal, and described audio signal is synchronous with the HDMI input signal being sent to described video processing module from described signal switching module.
Further, described signal switching module comprises the DHCP processing module be connected with MCU control module, and described DHCP processing module is used for the control command encoding and decoding that send described MCU control module and is sent to described signal switching module and described signal output module.
Further, described HDMI signal switching adapter also comprises power module, and described in described electric power source pair of module, signal switching module, described command reception module, described MCU control module, described audio-frequency module and described video processing module provide operating voltage; Described power module output voltage comprises 3.3V and 1.1V.
Further, described audio-frequency module comprises SiI9777 model chip.
Further, the main control chip of described MCU control module is N79E815A model.
Further, described signal switching module also comprises infrared remote receiver and described infrared remote receiver is sent to the remote controller of wireless control signal, user sends selection signal by described remote controller to described infrared remote receiver, the HDMI input signal that described selection signal exports for determining described video processing module.
Further, HDMI 2.0 communication protocol supported by described HDMI signal switching adapter.
The beneficial effects of the utility model:
The HDMI signal switching adapter that the utility model provides is loaded with four road HDMI input terminals, by internal circuit process, wherein arbitrary road HDMI signal can be outputted to TV end.Be very easy to use.This adapter meets HDMI2.0 specification, integrated HDCP enabling decryption of encrypted engine, supports HDCP 2.2 plate gauge model, supports 4K2K 60Hz transmission, makes audio-visual devices use more convenient, more comfortable, more efficiently, more energy-conservation.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, by describing in detail embodiment of the present utility model, will make the technical solution of the utility model and other beneficial effect apparent.
In accompanying drawing,
Fig. 1 is the utility model HDMI signal switching adaptor module schematic diagram;
Fig. 2 is the utility model command reception module and external module connection diagram;
Fig. 3 is the utility model power module schematic diagram;
Fig. 4 is the utility model power module circuitry connection diagram;
Fig. 5 is the utility model signal input module circuit diagram;
Fig. 6 is the utility model MCU control module circuit connection diagram;
Fig. 7 is signal input module and the signal output module circuit connection diagram of the connection of the utility model master chip;
Fig. 8 is the input connection diagram of each power pins of master chip of Fig. 7;
Fig. 9 is the input power circuit diagram of each power pins of master chip of Fig. 8;
Figure 10 is the utility model signal output module circuit connection diagram.
Drawing reference numeral:
1, signal input module; 2, signal output module; 3, signal switching module; 4, command reception module; 41, DHCP processing module; 5, MCU control module; 6, audio-frequency module; 7, video processing module; 8, power module; 81, Power Entry Module; 82, power supply processing module.
Embodiment
For further setting forth the technological means and effect thereof that the utility model takes, be described in detail below in conjunction with preferred embodiment of the present utility model and accompanying drawing thereof.
Refer to Fig. 1, for achieving the above object, the utility model provides a kind of HDMI signal switching adapter.
Described HDMI signal switching adapter comprises signal input module 1, signal output module 2, signal switching module 3, command reception module 4, MCU control module 5, audio-frequency module 6 and video processing module 7.
Wherein, described signal input module 1 is for inputting HDMI digital signal; Described signal output module 2 is for exporting HDMI digital signal.
Wherein, described signal input module 1 is connection signal handover module 3, video processing module 7 and described signal output module 2 successively, and meanwhile, described signal switching module 3 is connected with described audio-frequency module 6 and described command reception module 4.
Wherein, described signal input module 1 comprises 4 road HDMI signal inputs, and described signal output module 2 output is 1 road HDMI signal output; Described instruction control module receives control command from described MCU control module 5, and sends it to described signal switching module 3; Described signal switching module 3 selects 1 tunnel to export described video processing module 7 and audio-frequency module 6 to according to control command from HDMI input signal described in 4 tunnels; Described signal output module 2 is for receiving the control command of described command reception module 4, also receive the HDMI video signal of HDMI audio signal from described audio-frequency module 6 and described video processing module 7 simultaneously, and the audio signal of reception and vision signal are sent to external display device.
Wherein, described HDMI audio number and described HDMI video signal synchronized with each other.
In the present embodiment, this HDMI signal switching adapter is loaded with 4 road HDMI input terminals, by the circuit module of inside, the HDMI audio signal on wherein arbitrary road and video signal transmission are held to TV, greatly facilitate actual use, reduce the number of times of TV end plug HDMI port, improve the life-span that TV holds product.
In the present embodiment, the synchronous when audio, video data that synchronous HDMO audio signal and HDMI video signal can ensure to output to TV end is play.
Wherein, further, described signal switching module 3 comprises the DHCP processing module 41 be connected with MCU control module 5, and described DHCP processing module 41 is for the control command encoding and decoding that send described MCU control module 5 and be sent to described signal switching module 3 and described signal output module 2.
Refer to Fig. 2, described DHCP module is for receiving from four tunnel control signals of MCU control module 5 and the control signal from external data end RX1_DDC, RX2_DDC, RX3_DDC, RX4_DDC; This DHCP control module is sent to described signal switching module 3 after carrying out encoding and decoding to the control signal received, and controls the final HDMI signal exported of described signal switching module 3.
In the present embodiment, comprise two kinds of modes to the control mode of described signal switching module 3, one is that MCU controls, and another kind is that external signal controls.
Wherein, HDMI 2.0 communication protocol supported by HDMI signal switching adapter of the present utility model.
Further, described HDMI signal switching adapter also comprises power module 8, and described power module 8 provides operating voltage to described signal switching module 3, described command reception module 4, described MCU control module 5, described audio-frequency module 6 and described video processing module 7; Described power module 8 output voltage comprises 3.3V and 1.1V.
Refer to Fig. 3, this figure is power module 8 schematic diagram in the utility model, and as can be seen from the figure described power module 8 comprises Power Entry Module 81 and power supply processing module 82; What wherein said Power Entry Module 81 inputted is direct current 5V voltage, and the input of voltage is provided with LED light, and this LED light label is in the drawings LED5.
Refer to Fig. 4, described Fig. 4 is the circuit connection diagram of the utility model power module 8, in the present embodiment, described power supply processing module 82 is that the 5V direct voltage of input is converted to 3.3V potentiometer 1.1V voltage, is then powered into other circuit modules in the utility model by the voltage after changing.In the drawings, the lead-out terminal of 3.3V voltage is the lead-out terminal of VDD33OUT, 1.1V voltage is VCC1V05; In a power, the main control chip that the master chip adopted when being 1.1V by 5V voltage transitions is SY8009B, adopt when being 3.3V voltage by 5V voltage transitions is NCP1117ANC.
Refer to Fig. 5, this Fig. 5 is arbitrary road input circuit connection layout in this signal input module 1, and in the present embodiment, described No. 4 input circuits transmit data independently of one another.In this road input circuit, input terminal is CN1, and this port CN1 receives standard HDMI input signal, and HDMI input signal is transferred to audio frequency and video processing module 7.
Refer to Fig. 6, the signal input module that Fig. 6 the utility model master chip connects and signal output module circuit connection diagram, the model of its main chip U5 is N79E815A, and this MCU control module 5 is selected a wherein road according to control command to 4 road HDMI input signals and exported.
Refer to Fig. 7 to Fig. 9, the signal input module that the utility model master chip connects and signal output module circuit connection diagram; Fig. 8 is the input connection diagram of each power pins of master chip of Fig. 7; Fig. 9 is the input power circuit diagram of each power pins of master chip of Fig. 8.
In addition, the utility model signal switching module 3 circuit connection diagram.Described signal switching module 3 also comprises infrared remote receiver and described infrared remote receiver is sent to the remote controller of wireless control signal, user sends selection signal by described remote controller to described infrared remote receiver, and described selection signal is for determining the HDMI input signal that described video processing module 7 exports.
Wherein the main chip U5 model of switching controls module is N79E815A, and remote control reception head CIR1 is also arranged on switch casing.User both can pass through remote controller inputting switching command, determined to select certain road HDMI input signal port to export.
Refer to Figure 10, described signal output module 2 circuit connection diagram, wherein output interface is J1, and this J1 interface is for connecting display device.
The above; for the person of ordinary skill of the art; can make other various corresponding change and distortion according to the technical solution of the utility model and technical conceive, and all these change and be out of shape the protection range that all should belong to the utility model claim.
Claims (8)
1. a HDMI signal switching adapter, comprise the signal input module of input HDMI digital signal and the signal output module for exporting HDMI digital signal, it is characterized in that, described HDMI signal switching adapter also comprises: the signal switching module be connected with described signal input module successively, video processing module and described signal output module, described signal switching module and audio-frequency module and command reception model calling, described command reception module receives control command from MCU control module; Described signal input module comprises 4 road HDMI signal inputs, and described signal output module exports 1 road HDMI signal; Described signal switching module is used for from described signal input module, selectively HDMI input signal being sent to described video processing module and being exported by described signal output module.
2. HDMI signal switching adapter according to claim 1, it is characterized in that, the data that described signal output module receives also comprise from the control signal of described command reception module reception and from described audio-frequency module received audio signal, and described audio signal is synchronous with the HDMI input signal being sent to described video processing module from described signal switching module.
3. HDMI signal switching adapter according to claim 1, it is characterized in that, described signal switching module comprises the DHCP processing module be connected with MCU control module, and described DHCP processing module is used for the control command encoding and decoding that send described MCU control module and is sent to described signal switching module and described signal output module.
4. HDMI signal switching adapter according to claim 1, it is characterized in that, described HDMI signal switching adapter also comprises power module, and described in described electric power source pair of module, signal switching module, described command reception module, described MCU control module, described audio-frequency module and described video processing module provide operating voltage; Described power module output voltage comprises 3.3V and 1.1V.
5. HDMI signal switching adapter according to claim 1, it is characterized in that, described audio-frequency module comprises SiI9777 model chip.
6. HDMI signal switching adapter according to claim 1, is characterized in that, the main control chip of described MCU control module is N79E815A model.
7. HDMI signal switching adapter according to claim 3, it is characterized in that, described signal switching module also comprises infrared remote receiver and described infrared remote receiver is sent to the remote controller of wireless control signal, user sends selection signal by described remote controller to described infrared remote receiver, the HDMI input signal that described selection signal exports for determining described video processing module.
8. the HDMI signal switching adapter according to any one of claim 1 to 7, is characterized in that, HDMI 2.0 communication protocol supported by described HDMI signal switching adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520395930.1U CN204733260U (en) | 2015-06-10 | 2015-06-10 | Hdmi signal switching adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520395930.1U CN204733260U (en) | 2015-06-10 | 2015-06-10 | Hdmi signal switching adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204733260U true CN204733260U (en) | 2015-10-28 |
Family
ID=54391584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520395930.1U Active CN204733260U (en) | 2015-06-10 | 2015-06-10 | Hdmi signal switching adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204733260U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021036207A1 (en) * | 2019-08-27 | 2021-03-04 | 海信视像科技股份有限公司 | Display device |
-
2015
- 2015-06-10 CN CN201520395930.1U patent/CN204733260U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021036207A1 (en) * | 2019-08-27 | 2021-03-04 | 海信视像科技股份有限公司 | Display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11115617B2 (en) | Audio device for HDMI | |
| CN104767950B (en) | Card insert type TV | |
| CN103903568B (en) | LED display control card | |
| CN204316626U (en) | HDMI audio frequency and video switching device shifter can be extended | |
| CN202282816U (en) | HDMI signal matrix switcher | |
| CN104914580B (en) | A kind of head-mounted display | |
| CN102497515A (en) | SIMO (single-input multiple-output) type HDMI (high-definition multimedia interface) distributor device | |
| CN102946518A (en) | Plug-in card type multimedia demonstration matrix switcher | |
| CN103220472A (en) | Asymmetric high-definition video matrix supporting inputting and outputting of any video | |
| CN105491421A (en) | No-power line television based on type-C interface | |
| CN202738016U (en) | HDMI (High Definition Multimedia Interface) OTG (On-The-Go) interface circuit | |
| CN204733260U (en) | Hdmi signal switching adapter | |
| CN203027359U (en) | Plug-in card type multimedia presentation matrix switcher | |
| CN103402069B (en) | Electronic equipment and display unit thereof and signal processing apparatus | |
| CN205490969U (en) | Multimedia playing system based on mobile terminal | |
| CN202261574U (en) | Data integration switcher with multiple input channels | |
| CN204705767U (en) | A kind of head mounted display | |
| CN206790617U (en) | A kind of 4K high definitions transmitter | |
| CN204761570U (en) | Hdmi signal matrix adapter | |
| CN207266172U (en) | A kind of new high definition seamless blended matrix device | |
| CN207251793U (en) | A kind of matrix switcher of integrated HDBaseT technologies | |
| CN206136118U (en) | Omnipotent converter | |
| CN204465712U (en) | HDMI audio frequency and video switching device shifter | |
| CN204131610U (en) | A kind of HDMI (High Definition Multimedia Interface) HDMI dual display | |
| CN203851219U (en) | Projector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |