CN218450211U - 5G video transmission device - Google Patents
5G video transmission device Download PDFInfo
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- CN218450211U CN218450211U CN202222457827.8U CN202222457827U CN218450211U CN 218450211 U CN218450211 U CN 218450211U CN 202222457827 U CN202222457827 U CN 202222457827U CN 218450211 U CN218450211 U CN 218450211U
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Abstract
The utility model relates to a video transmission technical field especially relates to a 5G changes video transmission device, including control chip circuit, network interface circuit and supply circuit, the control chip circuit is connected with supply circuit and network interface circuit respectively, and network interface circuit includes WAN interface circuit and LAN interface circuit. The utility model discloses the special video of development is forwardded the device, divide into WAN net and LAN net with video data and transmits, carries out network isolation between WAN net and the LAN net, realizes the video retransmission of network through the mode that the video stream was forwarded, and effectual isolation network cyclization to avoid forming the network storm.
Description
Technical Field
The utility model relates to a video transmission technical field especially relates to a 5G changes video transmission device.
Background
At present, the national vigorously carries out the construction of the smart mine, wherein a 5G network is an important part of the construction of the smart mine, and the large bandwidth and low delay characteristic of the 5G network are utilized, so that the method is particularly suitable for high-definition network video monitoring application; more and more coal mines start to apply AI intelligent video monitoring systems.
Mine construction units generally transmit videos through a video monitoring system in a single networking mode for stability of network videos, but meanwhile, the videos are also expected to be transmitted through 5G network wireless signals, so that a wired network and a wireless network of the videos often form a loop in an underground core network, and network storms are caused.
SUMMERY OF THE UTILITY MODEL
The problem to prior art exists, the utility model discloses the special video of development is forwardded the device, divide into WAN net and LAN net with video data and transmit, carries out the network isolation between WAN net and the LAN net, realizes the video retransmission of network through the mode that the video stream forwarded, and effectual isolation network becomes the ring to avoid forming the network storm.
The specific technical scheme is as follows: a 5G video transmission apparatus, comprising: the control chip circuit is respectively connected with the power supply circuit and the network interface circuit, and the network interface circuit comprises a WAN (wide area network) interface circuit and a LAN (local area network) interface circuit;
the underground video private network is connected with the video private network through an LAN interface circuit of a video forwarding board of the 5G video transmission device, is connected with the 5G CPE through a WAN interface circuit, and is transmitted to the ground host through a 5G WAN; the WAN interface circuit of the video forwarding board is isolated from the LAN interface circuit, so that network storms are avoided.
Further, ETH1_ TXP, ETH1_ TXN, ETH1_ RXP and ETH1_ RXN pins of the WAN interface circuit are connected with ETH1_ TXP, ETH1_ TXN, ETH1_ RXP and ETH1_ RXN pins of the control chip circuit.
Further, the ENET2_ TXD0, ENET2_ TXD1, ENET2_ TXEN, ENET2_ TX _ CLK, ENET2_ RXD0, ENET2_ RXD1, ENET2_ RXEP, and ENET2_ CRS _ DV pins of the LAN interface circuit are connected to the ENET2_ TXD0, ENET2_ TXD1, ENET2_ TXEN, ENET2_ rxclk, ENET2_ RXD0, ENET2_ RXD1, ENET2_ RXEP, and ENET2_ CRS _ DV pins of the control chip circuit.
Further, the method also comprises the following steps: and the memory card circuit is used for storing video data of the underground camera.
Further, the method also comprises the following steps: and the LCD display circuit is used for displaying the video of the underground camera.
Further, the method also comprises the following steps: and the LED lamp circuit is used for displaying the working state of the control chip circuit.
Further, the method also comprises the following steps: the USB OTG device circuit is connected with the USB host device circuit through the USB Hub circuit, and the USB host device circuit is controlled through the signal height of a USB BOTG ID pin of the USB OTG device circuit.
Further, the method also comprises the following steps: and the expansion circuit is used for connecting the plurality of LCD display circuits and the USB Hub circuit through the expansion circuit.
Furthermore, the USB OTG device further comprises a power supply circuit, and the power supply circuit provides 3.3V and 5.5V voltage for the control chip circuit and the USB OTG device circuit respectively.
The utility model has the advantages that:
1. the WAN interface circuit of the video forwarding board is isolated from the LAN interface circuit, so that network storms are avoided;
2. the single-channel video is transmitted simultaneously by the 5G wireless network and the network wired network, and the network redundancy function is realized.
Drawings
Fig. 1 is a block diagram of the 5G video transmission apparatus of the present invention;
fig. 2 is a structural diagram of the video forwarding board of the present invention;
FIG. 3 is a circuit diagram of a control chip of the video forwarding board;
FIG. 4 is a circuit diagram of a LAN interface;
FIG. 5 is a circuit diagram of a USB OTG device;
FIG. 6 is a circuit diagram of a USB host device;
FIG. 7 is a circuit diagram of an LCD display;
FIG. 8 is a circuit diagram of an LED lamp;
FIG. 9 is a circuit diagram of a memory card;
FIG. 10 is a circuit diagram of 5V and 3.3V power input;
FIG. 11 is a USB Hub circuit diagram;
FIG. 12 is a WAN interface circuit diagram;
fig. 13 is an expansion circuit diagram.
Detailed Description
The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings:
as shown in fig. 1, which is a structural block diagram of a 5G video transmission device, an underground camera is connected to an underground video private network, the underground private network is connected to a video forwarding board through a network cable, a WAN port of the video forwarding board is connected to a LAN port of a 5G CPE device, the 5G CPE device wirelessly transmits to a 5G base station, and underground video data is transmitted to a ground host.
Fig. 2 is a structural diagram of a video forwarding board, including: the LED display device comprises a control chip, a network interface circuit, a power supply circuit, a USB interface circuit, an LCD display circuit, an LED lamp and an expansion circuit, wherein the network interface circuit, the power supply circuit, the USB interface circuit, the LCD display circuit, the LED lamp and the expansion circuit are all electrically connected with the control chip.
As shown in fig. 3, the pins of the control chip circuit are connected to the corresponding pins of other circuits in the transmission device, and the control chip circuit includes: I2S _ B1 and I2S _ B2 chips.
As shown in fig. 4, the LAN interface circuit is a connection diagram of the LAN interface circuit, the LAN interface circuit adopts an HR911105A chip and a LAN8720A chip (ethernet card), pins of an ENET2_ TXD0, an ENET2_ TXD1, an ENET2_ TXEN, an ENET2_ TX _ CLK, an ENET2_ RXD0, an ENET2_ RXD1, an ENET2_ RXEP, and an ENET2_ CRS _ DV of the LAN8720A chip are connected to corresponding pins of the control chip, and the interconnection with the downhole video private network is realized through the LAN interface circuit.
As shown in fig. 5, 6 and 11, which are a USB OTG device circuit, a USB host device and a USB Hub circuit, respectively, the USB Hub circuit employs a USB2512 chip, and USB _ OTG2_ DN and DP pins of the USB Hub circuit are connected to corresponding pins of a control chip; the HOST1_ USB _ DM, HOST1_ USB _ DP, HOST2_ USB _ DM and HOST2_ USB _ DP pins of the USB Hub circuit are connected with corresponding pins of the USB HOST equipment; and the USB _ OTG1_ DN and the DP pins of the USB OTG equipment circuit are connected with corresponding pins of the control chip circuit.
FIG. 7 is a diagram of an LCD display circuit, in which the LCD _ DATA1-15, LCD _ PLCK, LCD _ DE, LCD _ HSYNC, LCD _ VSYNC and LCD _ RESET pins of the LCD display circuit are respectively connected with the corresponding pins of the control chip circuit;
fig. 8 shows an LED lamp circuit, where a SNVS _ TAMPER5 pin of the LED lamp circuit is connected to a corresponding pin of the control chip circuit, and is used to display a working state of the control chip circuit, display blue in normal operation, and display red in abnormal operation.
Fig. 9 is a memory card circuit, which employs a micro SD chip, and the SD1_ CLK, SD1_ CMD, and SD1_ DATA0-3 pins of the memory card circuit are connected with corresponding pins of the control chip circuit, and are used for storing video DATA collected by the camera.
Fig. 10 shows 5V and 3.3V power input circuits, which are connected to corresponding pins of the control chip circuit through the PMIC _ ON _ REQ pin to provide 3.3V voltage for the control chip circuit, and provide 5V voltage for the USB OTG device circuit through the USB _ OTG1_ VBUS pin.
Fig. 12 shows a WAN interface circuit, pins ETH1_ TXP, ETH1_ TXN, ETH1_ RXP, and ETH1_ RXN of the WAN interface circuit are connected to corresponding pins of the control chip circuit, and video data of the camera is transmitted to the 5G CPE by wire through the WAN interface circuit.
FIG. 13 is an expansion circuit, in which the UART1_ TXD, UART1_ RXD, UART1_ CTS, TXD, RXD, RTS, CTS, UART4_ TXD, and RXD of the UART2 and UART3 are connected to the corresponding pins of the control chip circuit; and the pins of the CSI _ DATA0-7, the CSI _ MCLK, the CSI _ PIXCLK, the CSI _ VSYNC and the CSI _ HSYNC of the expansion circuit are connected with the corresponding pins of the control chip circuit and are used for expanding external equipment.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. A 5G video transmission apparatus, comprising: the control chip circuit is respectively connected with the power supply circuit and the network interface circuit, and the network interface circuit comprises a WAN (wide area network) interface circuit and a LAN (local area network) interface circuit.
2. The apparatus for 5G video transmission according to claim 1, wherein: the ETH1_ TXP, ETH1_ TXN, ETH1_ RXP and ETH1_ RXN pins of the WAN interface circuit are connected with the ETH1_ TXP, ETH1_ TXN, ETH1_ RXP and ETH1_ RXN pins of the control chip circuit.
3. The apparatus for 5G video transmission according to claim 1, wherein: the ENET2_ TXD0, ENET2_ TXD1, ENET2_ TXEN, ENET2_ TX _ CLK, ENET2_ RXD0, ENET2_ RXD1, ENET2_ RXEP and ENET2_ CRS _ DV pins of the LAN interface circuit are connected with the ENET2_ TXD0, ENET2_ TXD1, ENET2_ TXEN, ENET2_ TX _ CLK, ENET2_ RXD0, ENET2_ RXD1, ENET2_ RXEP and ENET2_ CRS _ DV pins of the control chip circuit.
4. The apparatus for 5G video transmission according to claim 1, further comprising: and the memory card circuit is used for storing video data of the underground camera.
5. The apparatus for 5G video transmission according to claim 1, further comprising: and the LCD display circuit is used for displaying the video of the underground camera.
6. The apparatus for 5G video transmission according to claim 1, further comprising: and the LED lamp circuit is used for displaying the working state of the control chip circuit.
7. The apparatus for 5G video transmission according to claim 1, further comprising: the USB OTG device circuit, the USB main device circuit and the USB Hub circuit are interconnected through the USB Hub circuit, and the USB main device circuit is controlled through the signal height of a USB BOTG ID pin of the USB OTG device circuit.
8. The apparatus for 5G video transmission according to claim 1, further comprising: and the expansion circuit is used for connecting the plurality of LCD display circuits and the USB Hub circuit through the expansion circuit.
9. The apparatus for 5G video transmission according to claim 1, further comprising: and the power supply circuit is used for providing 3.3V and 5.5V voltage for the control chip circuit and the USB OTG equipment circuit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222457827.8U CN218450211U (en) | 2022-09-16 | 2022-09-16 | 5G video transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222457827.8U CN218450211U (en) | 2022-09-16 | 2022-09-16 | 5G video transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218450211U true CN218450211U (en) | 2023-02-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222457827.8U Active CN218450211U (en) | 2022-09-16 | 2022-09-16 | 5G video transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218450211U (en) |
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2022
- 2022-09-16 CN CN202222457827.8U patent/CN218450211U/en active Active
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