CN116248641A - Auxiliary monitoring data forwarding and protocol conversion terminal for power distribution station room - Google Patents
Auxiliary monitoring data forwarding and protocol conversion terminal for power distribution station room Download PDFInfo
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- CN116248641A CN116248641A CN202310158538.4A CN202310158538A CN116248641A CN 116248641 A CN116248641 A CN 116248641A CN 202310158538 A CN202310158538 A CN 202310158538A CN 116248641 A CN116248641 A CN 116248641A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
Abstract
The invention discloses a power distribution station house auxiliary monitoring data forwarding and protocol conversion terminal, which comprises a core processor, a network interface unit and a memory, wherein the network interface unit and the memory are connected with the core processor; the sensor data conversion unit is used for converting the format of the sensor data; the core processor is connected with a management platform arranged on the Ethernet through a network interface unit, the management platform is used for managing and processing SIP-B format data and MQTT format data, and meanwhile, the management platform is provided with an external network security interaction platform matched with a security interaction platform on the terminal. The invention realizes the protocol conversion of the multipath video and the authentication of the safe interaction with the information external network.
Description
Technical Field
The invention relates to a power distribution station room auxiliary monitoring technology, in particular to a power distribution station room auxiliary monitoring data forwarding and protocol conversion terminal.
Background
The power distribution station house auxiliary monitoring data forwarding terminal is an Internet of things center node device with high integration of software and hardware, adopts advanced Internet of things information technology, has the functions of video acquisition, information acquisition and data transmission, can transmit video and sensor data to an Internet of things intelligent management platform of an electric power system, and is a center node core device for establishing the electric power Internet of things.
The number of the power distribution station rooms is large, the positions are distributed, a plurality of cameras and a plurality of sensing type and control type devices exist in an auxiliary monitoring system, manufacturers are various, and various data, particularly video stream data, are required to be converged and forwarded to an electric power object management platform. The existing auxiliary monitoring system for the power distribution station room often realizes data receiving and forwarding by deploying a comprehensive gateway, and has the disadvantages of high cost, high deployment requirement and inconvenient implementation.
Disclosure of Invention
The invention aims to provide a substation room auxiliary monitoring data forwarding and protocol conversion terminal.
The technical scheme adopted by the invention is as follows:
the power distribution station house auxiliary monitoring data forwarding and protocol conversion terminal comprises a core processor, a network interface unit and a memory, wherein the network interface unit and the memory are connected with the core processor, a safe interaction platform, a video stream conversion unit and a sensor data conversion unit are mounted on the core processor, the terminal is connected with a Network Video Recorder (NVR) or a camera and various sensors through the network interface unit, the Network Video Recorder (NVR) or the camera interacts with the terminal through an RTSP protocol, and the sensor interacts with the terminal through a UDP mode; the video stream conversion unit is used for converting the acquired video stream data format from RTSP to SIP-B format; the sensor data conversion unit is used for converting the sensor data format from UPD to MQTT format; the core processor is connected with the Ethernet through the network interface unit so as to transmit the SIP-B format data and the MQTT format data to a management platform arranged on the Ethernet through the Ethernet, the management platform is used for managing and processing the SIP-B format data and the MQTT format data, meanwhile, the management platform is provided with an external network safety interaction platform matched with the terminal safety interaction platform, safety authentication of the information external network and the public network of the electric company is established through the terminal safety interaction platform and the external network safety interaction platform, and the public network equipment can enter the information external network of the electric company only through the authentication of the safety interaction platform.
Specifically, the function of the safety interaction platform is to establish safety authentication of the foreign information network and the public network, and all public network equipment can enter the foreign information network only by the authentication of the safety interaction platform to enter the foreign information network of the foreign information network. And running the safety gateway client at the equipment end, and generating a communication tunnel of the public network and the foreign network information after the authentication of the client and the safety interaction platform is passed.
Further, the core processor adopts an embedded board card based on NXP company i.MX6UL/6 ULL serial processors.
In particular, the i.mx6ul is a high-efficiency, cost-effective application processor family, employing a single armcotex-A7 kernel, operating at speeds up to 696MHz. The MX 6ULL simplifies the safe encryption part on the basis of the i.MX6UL, but the main frequency can reach 900MHz at most, and the cost performance is improved. Processors of the mx 6UL/6ULL family provide a variety of memory interfaces including 16-bit LPDDR2, DDR3L, NAND Flash, NOR Flash, eMMC, quad SPI, and various other interfaces for connecting peripherals.
Further, the network interface unit is an RJ45 network port.
Specifically, the ethernet chip uses a LAN8720A of a Microchip, which is connected to an ETH1 controller of the core processor by means of RMII.
Further, the power supply unit is a DC 12V/1.5 direct current power supply.
Specifically, the power supply unit uses XL1509-ADJE1 as a main control chip for power supply management, is provided with a maximum 40V input and output voltage-adjustable step-down power supply chip for outputting 2A current, comprises a fixed frequency oscillator (150 KHZ) and a reference voltage stabilizer (1.23V), and is provided with a perfect protection circuit, a current limit circuit, a thermal shutdown circuit and the like. An efficient voltage stabilizing circuit is formed by few peripheral devices.
Furthermore, the memory adopts an eMMC storage mode to store permanent data. The memory model is MTFC4GACAJCN-1M WT.
Specifically, an embedded Flash chip scheme of a standardized interface is adopted, so that the interface design is simplified, and the problem of drive compatibility caused by different standards among Flash manufacturers is solved. Connected to the eMMC on the main chip module board is the MMC2 controller of the processor, 8-bit MMC data line width. The default carrying capacity of the core board is 4GB, and the specific model is MTFC4GACAJCN-1M WT.
Further, a main chip MMDC bus of the core processor is connected with a memory chip, and the model is magnesium MT41K256M16TW-107:P. The highest working clock frequency of the bus is 400MHz, the bus width is 16 bits, and the maximum capacity can be supported to 1G Byte.
Further, the management platform comprises a unified video platform SIP-B, an object management platform and an external network security interaction platform of the power company.
Furthermore, a security gateway client is mounted on the public network equipment, and a communication tunnel of the public network and the foreign network is generated after the security gateway client and the security interaction platform pass authentication.
According to the technical scheme, the SDK of the information external network safety interaction gateway of the electric power company is operated through network port butt joint, the information external network internet of things management platform and the unified video platform of the electric power company can be correctly connected, the UDP data packet with the appointed format uploaded by the gateway host is converted into the MQTT protocol data packet to be uploaded to the object management platform, the RTSP protocol video stream of the gateway host is converted into the SIP-B video protocol stream to be uploaded, and the access of multiple paths of videos and the conversion of video protocols are realized. The system is suitable for the Internet of things system of the national network power station house.
Drawings
The invention is described in further detail below with reference to the drawings and detailed description;
fig. 1 is a schematic structural diagram of a substation room auxiliary monitoring data forwarding and protocol conversion terminal according to the present invention.
Description of the embodiments
For the purposes, technical solutions and advantages of the embodiments of the present application, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
As shown in fig. 1, the invention discloses a substation room auxiliary monitoring data forwarding and protocol conversion terminal, which comprises a core processor, a network interface unit and a memory, wherein the network interface unit and the memory are connected with the core processor; the video stream conversion unit is used for converting the acquired video stream data format from RTSP to SIP-B format; the sensor data conversion unit is used for converting the sensor data format from UPD to MQTT format; the core processor is connected with the Ethernet through the network interface unit so as to transmit the SIP-B format data and the MQTT format data to a management platform arranged on the Ethernet through the Ethernet, the management platform is used for managing and processing the SIP-B format data and the MQTT format data, meanwhile, the management platform is provided with an external network safety interaction platform matched with the terminal safety interaction platform, safety authentication of the information external network and the public network of the electric company is established through the terminal safety interaction platform and the external network safety interaction platform, and the public network equipment can enter the information external network of the electric company only through the authentication of the safety interaction platform.
Further, the core processor adopts an embedded board card based on NXP company i.MX6UL/6 ULL serial processors.
In particular, the i.mx6ul is a high-efficiency, cost-effective application processor family, employing a single armcotex-A7 kernel, operating at speeds up to 696MHz. The MX 6ULL simplifies the safe encryption part on the basis of the i.MX6UL, but the main frequency can reach 900MHz at most, and the cost performance is improved. Processors of the mx 6UL/6ULL family provide a variety of memory interfaces including 16-bit LPDDR2, DDR3L, NAND Flash, NOR Flash, eMMC, quad SPI, and various other interfaces for connecting peripherals.
Further, the network interface unit is an RJ45 network port.
Specifically, the ethernet chip uses a LAN8720A of a Microchip, which is connected to an ETH1 controller of the core processor by means of RMII.
Further, the power supply unit is a DC 12V/1.5 direct current power supply.
Specifically, the power supply unit uses XL1509-ADJE1 as a main control chip for power supply management, is provided with a maximum 40V input and output voltage-adjustable step-down power supply chip for outputting 2A current, comprises a fixed frequency oscillator (150 KHZ) and a reference voltage stabilizer (1.23V), and is provided with a perfect protection circuit, a current limit circuit, a thermal shutdown circuit and the like. An efficient voltage stabilizing circuit is formed by few peripheral devices.
Furthermore, the memory adopts an eMMC storage mode to store permanent data. The memory model is MTFC4GACAJCN-1M WT.
Specifically, an embedded Flash chip scheme of a standardized interface is adopted, so that the interface design is simplified, and the problem of drive compatibility caused by different standards among Flash manufacturers is solved. Connected to the eMMC on the main chip module board is the MMC2 controller of the processor, 8-bit MMC data line width. The default carrying capacity of the core board is 4GB, and the specific model is MTFC4GACAJCN-1M WT.
Further, a main chip MMDC bus of the core processor is connected with a memory chip, and the model is magnesium MT41K256M16TW-107:P. The highest working clock frequency of the bus is 400MHz, the bus width is 16 bits, and the maximum capacity can be supported to 1G Byte.
Further, the management platform comprises a unified video platform SIP-B, an object management platform and an external network security interaction platform of the power company.
The invention is respectively connected with the object management platform and the unified video platform, realizes the protocol conversion of multiple paths of videos, and realizes the authentication of safe interaction with the information external network. The terminal has only one network port, does not need sensing interfaces such as a serial port, an IO port and the like, and transmits and uploads video data and common sensing data in a unified way through a network. The system can be additionally arranged in the existing auxiliary monitoring system of the power distribution room, realizes the transformation and upgrading of the stock station room, and is small, convenient and low in cost.
According to the technical scheme, the SDK of the information external network safety interaction gateway of the electric power company is operated through network port butt joint, the information external network internet of things management platform and the unified video platform of the electric power company can be correctly connected, the UDP data packet with the appointed format uploaded by the gateway host is converted into the MQTT protocol data packet to be uploaded to the object management platform, the RTSP protocol video stream of the gateway host is converted into the SIP-B video protocol stream to be uploaded, and the access of multiple paths of videos and the conversion of video protocols are realized. The system is suitable for the Internet of things system of the national network power station house.
It will be apparent that the embodiments described are some, but not all, of the embodiments of the present application. Embodiments and features of embodiments in this application may be combined with each other without conflict. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the detailed description of the embodiments of the present application is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
Claims (8)
1. The auxiliary monitoring data forwarding and protocol conversion terminal for the power distribution station room is characterized in that: the system comprises a core processor, a network interface unit and a memory, wherein the network interface unit and the memory are connected with the core processor, a safe interaction platform, a video stream conversion unit and a sensor data conversion unit are mounted on the core processor, a terminal is connected with a network video recorder or a camera and various sensors through the network interface unit, the network video recorder or the camera interacts with the terminal through an RTSP, and the sensor interacts with the terminal through a UDP mode; the video stream conversion unit is used for converting the acquired video stream data format from RTSP to SIP-B format; the sensor data conversion unit is used for converting the sensor data format from UPD to MQTT format; the core processor is connected with the Ethernet through the network interface unit so as to transmit the SIP-B format data and the MQTT format data to a management platform arranged on the Ethernet through the Ethernet, the management platform is used for managing and processing the SIP-B format data and the MQTT format data, meanwhile, the management platform is provided with an external network safety interaction platform matched with the terminal safety interaction platform, safety authentication of the information external network and the public network of the electric company is established through the terminal safety interaction platform and the external network safety interaction platform, and the public network equipment can enter the information external network of the electric company only through the authentication of the safety interaction platform.
2. The substation room-assisted monitoring data forwarding and protocol conversion terminal of claim 1, wherein: the core processor adopts an embedded board card based on NXP company i.MX6UL/6 ULL serial processor.
3. The substation room-assisted monitoring data forwarding and protocol conversion terminal of claim 1, wherein: the network interface unit is an RJ45 network port, an Ethernet chip of the RJ45 network port uses a LAN8720A of a Microchip, and the Ethernet chip is connected to an ETH1 controller of the core processor in a RMII mode.
4. The substation room-assisted monitoring data forwarding and protocol conversion terminal of claim 1, wherein: the power supply unit is a DC 12V/1.5 direct current power supply.
5. The substation room-assisted monitoring data forwarding and protocol conversion terminal of claim 1, wherein: the memory adopts an eMMC storage mode to store permanent data, and the model of the memory is MTFC4GACAJCN-1M WT.
6. The substation room-assisted monitoring data forwarding and protocol conversion terminal of claim 1, wherein: the main chip MMDC bus of the core processor is connected with a memory chip, and the type of the memory chip is magnesium MT41K256M16TW-107:P.
7. The substation room-assisted monitoring data forwarding and protocol conversion terminal of claim 1, wherein: the management platform comprises a unified video platform SIP-B, an object management platform and an external network security interaction platform of an electric company.
8. The substation room-assisted monitoring data forwarding and protocol conversion terminal of claim 1, wherein: and the public network equipment is provided with a security gateway client, and a communication tunnel of the public network and the foreign network is generated after the security gateway client and the security interaction platform pass authentication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310158538.4A CN116248641A (en) | 2023-02-23 | 2023-02-23 | Auxiliary monitoring data forwarding and protocol conversion terminal for power distribution station room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310158538.4A CN116248641A (en) | 2023-02-23 | 2023-02-23 | Auxiliary monitoring data forwarding and protocol conversion terminal for power distribution station room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116248641A true CN116248641A (en) | 2023-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310158538.4A Pending CN116248641A (en) | 2023-02-23 | 2023-02-23 | Auxiliary monitoring data forwarding and protocol conversion terminal for power distribution station room |
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| Country | Link |
|---|---|
| CN (1) | CN116248641A (en) |
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2023
- 2023-02-23 CN CN202310158538.4A patent/CN116248641A/en active Pending
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