Protocol converter for auxiliary control of power distribution station house

Abstract

The utility model discloses a protocol converter for auxiliary control of a power distribution station. The protocol converter comprises a controller, and an Ethernet interface, a UDP protocol analysis unit, an RTSP protocol analysis unit, an MQTT protocol packaging unit and an SIP-B protocol packaging unit which are connected with the controller. The controller is connected with a power distribution station gateway through an Ethernet interface; the UDP protocol analysis unit is used for analyzing a sensor data packet of a UDP protocol into sensor data, and the MQTT protocol encapsulation unit is used for encapsulating the sensor data into an MQTT protocol data packet required by a remote platform; the RTSP protocol analysis unit is used for analyzing a video data packet of an RTSP protocol into video data, and the SIP-B protocol encapsulation unit is used for encapsulating the video data into an SIP-B protocol data packet required by a remote platform. The security access authentication device is used for realizing data protocol conversion and security access authentication for gateway hosts of different power distribution station houses.

Description

Technical Field

[0001] The utility model relates to the technical field of low-voltage intelligent distribution network gateways, in particular to a protocol converter for auxiliary control of a distribution substation building. Background Art

[0002] The auxiliary control system of the distribution substation building collects information such as the power environment, safety and fire protection, on-line monitoring, real-time and historical videos of the distribution substation building, and through functions such as real-time monitoring, data analysis, and intelligent patrol of the system, realizes remote monitoring and intelligent patrol of the distribution substation building, realizes manual substitution, and solves the problems of insufficient operation and maintenance personnel and low operation and maintenance efficiency of power companies; in order to better realize the centralized control of the distribution substation building, the auxiliary control system of the distribution substation building is put into operation on a unified platform. In order to ensure the safe access of the system platform and ensure unified technical standards, the system platform formulates and publishes system access security verification (SDK verification) and data protocol standards (MQTT, SIPB). The collection of auxiliary control data of the distribution substation building is centralized by a gateway host with functions such as data collection, storage and processing, and video collection and storage, and realizes protocol customization and forwarding of data.

[0003] The export data of the substation building gateway hosts of different manufacturers are inconsistent and need to be developed and converted to access the system platform; due to different configurations, the substation building gateway hosts of different manufacturers are not fully suitable for running the security authentication client; the transformation and access cost of the historical stock substation building auxiliary control system is relatively high and the difficulty is relatively large. Summary of the Invention

[0004] The purpose of the utility model is to provide a protocol converter for auxiliary control of a distribution substation building, which realizes data protocol conversion and secure access authentication for different distribution substation building gateway hosts.

[0005] The technical solution adopted by the utility model is as follows:

[0006] A protocol converter for the auxiliary control of a power distribution substation. The power distribution substation is equipped with a power distribution substation gateway, a sensor unit, and an image acquisition unit connected to the power distribution substation gateway; the power distribution substation gateway is communicatively connected to a remote platform, and the remote platform uses the MQTT protocol and the SIP-B protocol; sensor data packets generated by several sensors of the sensor unit are transmitted to the protocol converter via the power distribution substation gateway; video data packets generated by the image acquisition unit are transmitted to the protocol converter via the power distribution substation gateway; the protocol converter includes a controller, an Ethernet interface connected to the controller, a UDP protocol parsing unit, an RTSP protocol parsing unit, an MQTT protocol encapsulation unit, and an SIP-B protocol encapsulation unit; the controller is connected to the power distribution substation gateway through the Ethernet interface; the UDP protocol parsing unit is used to parse the sensor data packets of the UDP protocol into sensor data, and the MQTT protocol encapsulation unit is used to encapsulate the sensor data into MQTT protocol data packets required by the remote platform; the RTSP protocol parsing unit is used to parse the video data packets of the RTSP protocol into video data, and the SIP-B protocol encapsulation unit is used to encapsulate the video data into SIP-B protocol data packets required by the remote platform.

[0007] Further, the controller receives the sensor data packets and video data packets transmitted via the power distribution substation gateway through the Ethernet interface. Specifically, the Ethernet interface is an RJ45 100M Ethernet port.

[0008] Further, the image acquisition unit is a camera. The camera generates RTSP protocol data packets. The sensor unit generates UDP protocol data packets or MQTT protocol data packets according to different sensors. That is, the sensor data packets include UDP protocol data packets and MQTT protocol data packets.

[0009] Further, the controller transmits the re-encapsulated MQTT protocol data packets and SIP-B protocol data packets to the remote platform through the Ethernet interface and via the power distribution substation gateway.

[0010] Further, the controller is connected to a power supply unit. The power supply unit has a power interface, and the power supply unit accesses 12V DC power through the power interface.

[0011] Further, the power distribution substation gateway accesses the public Ethernet through Ethernet, a wired network, or a 4G router, and is communicatively connected to the remote platform on the public Ethernet.

[0012] Further, the controller is also connected to a storage unit. The storage unit is configured with remote platform connection information for the MQTT protocol encapsulation unit and the SIP-B protocol encapsulation unit to call.

[0013] Further, the protocol converter has a housing for accommodating corresponding components, and a grounding point is provided on the housing. The protection level of the housing is not less than IP40.

[0014] Furthermore, the remote platform includes a unified video platform based on the SIP-B protocol and a property management platform based on the MQTT protocol.

[0015] Furthermore, the controller adopts an ARM Cortex-A7 core processor with a main frequency of 528 MHz; the storage unit includes 512M of memory and a storage capacity of 4GB.

[0016] Specifically, the controller is equipped with a linux operating system and has a built-in WEB page. The device can configure device parameters, operating parameters, and camera parameters through the WEB.

[0017] The utility model adopts the above technical solutions. Through the cooperation of the RTSP protocol parsing unit and the SIP-B protocol encapsulation unit, it has the function of converting the video RTSP protocol into the SIP-B protocol; third-party devices that are not uniformly purchased can access the protocol converter through the UDP protocol. Through the cooperation of the UDP protocol parsing unit and the MQTT protocol encapsulation unit, the data collected by the third-party devices is uniformly converted into a standard protocol for accessing the remote property management platform; the image acquisition unit (such as a camera) can access the protocol converter through the RTSP protocol. The protocol converter uniformly encapsulates the video data into SIP-B protocol data through the cooperation of the RTSP protocol parsing unit and the SIP-B protocol encapsulation unit for accessing the unified video platform of the remote platform; in addition, the device is provided with a storage unit for storing configuration information so that sub-devices can be added according to the configured ledger. It has the functions of updating the status of sub-devices and receiving data uploaded by sub-devices; the non-powered metal parts of the protocol converter device are electrically connected as a whole. The device should have a reliable grounding point, and the shell protection level should not be lower than IP40. The protocol converter device has a power port (12V1A) and an RJ45 network port (100Mpbs). The utility model is used for different substation gateway hosts to realize data protocol conversion and secure access authentication. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The following further describes the present utility model in detail with reference to the drawings and specific embodiments;

[0019] Figure 1 It is a schematic structural diagram of a protocol converter for auxiliary control of a substation building of the present utility model;

[0020] Figure 2 It is a schematic diagram of the working principle of a protocol converter for auxiliary control of a substation building of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in 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.

[0022] As Figure 1 or shown in FIG. 2, the utility model discloses a protocol converter for auxiliary control of a substation building. The substation is provided with a substation gateway, a sensor unit and an image acquisition unit connected to the substation gateway; the substation gateway is communicatively connected to a remote platform, and the remote platform adopts the MQTT protocol and the SIP-B protocol; sensor data packets generated by a plurality of sensors of the sensor unit are transmitted to the protocol converter via the substation gateway; video data packets generated by the image acquisition unit are transmitted to the protocol converter via the substation gateway; the protocol converter includes a controller, and an Ethernet interface, a UDP protocol parsing unit, an RTSP protocol parsing unit, an MQTT protocol encapsulation unit and a SIP-B protocol encapsulation unit connected to the controller; the controller is connected to the substation gateway through the Ethernet interface; the UDP protocol parsing unit is used to parse the sensor data packets of the UDP protocol into sensor data, and the MQTT protocol encapsulation unit is used to encapsulate the sensor data into MQTT protocol data packets required by the remote platform; the RTSP protocol parsing unit is used to parse the video data packets of the RTSP protocol into video data, and the SIP-B protocol encapsulation unit is used to encapsulate the video data into SIP-B protocol data packets required by the remote platform.

[0023] Further, the controller receives the sensor data packets and video data packets transmitted via the substation gateway through the Ethernet interface. Specifically, the Ethernet interface is an RJ45 100M network port.

[0024] Further, the image acquisition unit is a camera. The camera generates RTSP protocol data packets. The sensor unit generates UDP protocol data packets or MQTT protocol data packets according to different sensors. That is, the sensor data packets include UDP protocol data packets and MQTT protocol data packets.

[0025] Further, the controller transmits the re-encapsulated MQTT protocol data packets and SIP-B protocol data packets to the remote platform through the Ethernet interface and via the substation gateway.

[0026] Further, the controller is connected to a power supply unit, the power supply unit has a power interface, and the power supply unit accesses 12V direct current through the power interface.

[0027] Further, the substation gateway accesses the public Ethernet through Ethernet, a wired network or a 4G router, and is communicatively connected to the remote platform on the public Ethernet.

[0028] Further, the controller is also connected to a storage unit, and the storage unit is configured with remote platform connection information for the MQTT protocol encapsulation unit and the SIP-B protocol encapsulation unit to call.

[0029] Furthermore, the protocol converter has a housing for accommodating corresponding components, and a grounding point is provided on the housing. The protection level of the housing is not less than IP40.

[0030] Furthermore, the remote platform includes a unified video platform based on the SIP-B protocol and a property management platform based on the MQTT protocol.

[0031] Furthermore, the controller uses an ARM Cortex-A7 core processor with a main frequency of 528 MHz; the storage unit includes 512M of memory and a storage capacity of 4GB. For example, as a feasible implementation, the controller uses the i.MX6UL development board processor of NXP.

[0032] Specifically, the controller is equipped with a linux operating system and has a built-in WEB page. The device can configure device parameters, operating parameters, and camera parameters through the WEB.

[0033] The present utility model adopts the above technical solutions. Through the cooperation of the RTSP protocol parsing unit and the SIP-B protocol encapsulation unit, it has the function of converting the video RTSP protocol into the SIP-B protocol; third-party devices not uniformly purchased can access the protocol converter through the UDP protocol. The UDP protocol parsing unit cooperates with the MQTT protocol encapsulation unit to uniformly convert the data collected by the third-party devices into a standard protocol for accessing the remote property management platform; the image acquisition unit (such as a camera) can access the protocol converter through the RTSP protocol. The protocol converter cooperates with the SIP-B protocol encapsulation unit through the RTSP protocol parsing unit to uniformly encapsulate the video data into SIP-B protocol data for accessing the unified video platform of the remote platform; in addition, the device is provided with a storage unit for storing configuration information so that sub-devices can be added according to the configured ledger. It has the functions of updating the status of sub-devices and receiving data uploaded by sub-devices; the non-powered metal parts of the protocol converter device are electrically connected as a whole. The device should have a reliable grounding point, and the enclosure protection level should not be less than IP40. The protocol converter device has a power port (12V1A) and an RJ45 network port (100Mpbs). The present utility model is used for data protocol conversion and secure access authentication of gateway hosts in different substation rooms.

[0034] Obviously, the described embodiments are some, but not all, of the embodiments of the present application. Without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. Generally, the components of the embodiments of the present application described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations. Therefore, the detailed description of the embodiments of the present application is not intended to limit the scope of the present application claimed, but merely represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative efforts shall fall within the scope of protection of the present application.

Claims

1. A protocol converter for auxiliary control of a distribution station, wherein the distribution station is provided with a distribution station gateway and a sensor unit and an image acquisition unit connected to the distribution station gateway; The distribution station gateway is connected to the remote platform for communication, and the remote platform adopts the MQTT protocol and the SIP-B protocol; the sensor data packets generated by several sensors of the sensor unit are transmitted to the protocol converter via the distribution station gateway; The video data packet generated by the image acquisition unit is transmitted to the protocol converter via the distribution station gateway; the characteristics are: the protocol converter includes a controller and an Ethernet interface connected to the controller, a UDP protocol parsing unit, an RTSP protocol parsing unit, an MQTT protocol encapsulation unit and a SIP-B protocol encapsulation unit; the controller is connected to the distribution station gateway through the Ethernet interface; the UDP protocol parsing unit is used to parse the sensor data packet of the UDP protocol into sensor data, and the MQTT protocol encapsulation unit is used to encapsulate the sensor data into the MQTT protocol data packet required by the remote platform; the RTSP protocol parsing unit is used to parse the video data packet of the RTSP protocol into video data, and the SIP-B protocol encapsulation unit is used to encapsulate the video data into the SIP-B protocol data packet required by the remote platform.

2. A protocol converter for auxiliary control of a power distribution station according to claim 1, characterized in that: The controller receives sensor data packets and video data packets transmitted via the substation gateway through the Ethernet interface.

3. A protocol converter for auxiliary control of a power distribution station according to claim 1, characterized in that: Sensor data packets include UDP protocol data packets and MQTT protocol data packets.

4. A protocol converter for auxiliary control of a power distribution station according to claim 1, characterized in that: The controller transmits the re-encapsulated MQTT protocol data packets and SIP-B protocol data packets to the remote platform through the Ethernet interface and the substation gateway.

5. A protocol converter for auxiliary control of a power distribution station according to claim 1, characterized in that: The controller is connected to a power supply unit, which has a power supply interface, and the power supply unit is connected to 12V direct current through the power supply interface.

6. A protocol converter for auxiliary control of a power distribution station according to claim 1, characterized in that: The substation gateway is connected to the public Ethernet via Ethernet, wired network or 4G router, and communicates with the remote platform on the public Ethernet.

7. A protocol converter for auxiliary control of a power distribution station according to claim 1, characterized in that: The controller is also connected to a storage unit, which is configured with remote platform connection information for calling by the MQTT protocol encapsulation unit and the SIP-B protocol encapsulation unit.

8. A protocol converter for auxiliary control of a power distribution station according to claim 1, characterized in that: The protocol converter has a shell for accommodating corresponding components, and a grounding point is arranged on the shell; the protection grade of the shell is not less than IP40.

9. A protocol converter for auxiliary control of a power distribution station according to claim 1, characterized in that: The remote platform includes a unified video platform based on the SIP-B protocol and a property management platform based on the MQTT protocol.

10. A protocol converter for auxiliary control of a power distribution station according to claim 1, characterized in that: The controller adopts ARM Cortex-A7 core processor with a main frequency of 528MHz; the storage unit includes 512M memory and 4GB storage capacity.

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