CN111010085A

CN111010085A - Photoelectric network transformer substation

Info

Publication number: CN111010085A
Application number: CN201911395484.3A
Authority: CN
Inventors: 苑宝义; 张�浩; 苑泽; 苑永生; 薛海龙
Original assignee: Hebei Rongyi Communication Co ltd
Current assignee: Hebei Rongyi Communication Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-04-14

Abstract

The invention discloses a photoelectric network transformer substation, comprising: the device comprises an energy unit, an information unit and a sensing unit; the energy unit is used for energy source flow transmission and is also used for transmission and/or transformation and/or control of electric energy or optical energy; the information unit is used for generating and/or transmitting information flow, and is also used for transmitting communication information and exchanging data; the sensing unit comprises a photoelectric network sensor, is used for generating and/or transmitting a sensing signal, generating a sensing current, sensing and monitoring equipment in the photoelectric network transformer substation, sensing and monitoring an energy cable and sensing and/or monitoring equipment connected with the energy cable. The invention effectively realizes the one-network transmission of energy source flow, information flow and sensing flow, and the real-time online monitoring of the running states of external equipment and energy cable roads in the photoelectric network, thereby reducing the consumption of manpower and material resources; the invention can also provide an independent and safe special network for the user so as to meet the strict requirements of the user on the information communication safety, and has strong usability.

Description

Photoelectric network transformer substation

Technical Field

The invention relates to the technical field of photoelectric networks, in particular to a photoelectric network transformer substation.

Background

Traditional power and information networks all complete specific functions through independent systems, and with the implementation of intelligent systems such as smart cities, smart enterprises and the like, the systems related to intelligence can not be powered and communicated, but at the present stage, no transformer substation device can simultaneously give consideration to the transmission, control and transformation of power and communication; meanwhile, the existing operation and maintenance of the existing transformer substation mainly adopts the traditional means of video, monitoring and recording the field condition, RFID night watching stick recording, team leader field management, fixed night watching route, fence protection and the like, the technology is very lagged behind, the consumption of manpower and material resources is caused, and the safety of personnel and operation and maintenance cannot be effectively guaranteed. Therefore, there is a need in the art for a substation device that can simultaneously perform transmission, control and transformation of electric energy and communication, and real-time monitoring of the operation and maintenance conditions of the substation.

Disclosure of Invention

The invention aims to provide a photoelectric network transformer substation, which solves the problems in the prior art and realizes the transmission, control and transformation of electric energy and communication and the real-time monitoring of the operation and maintenance conditions of the transformer substation.

In order to achieve the purpose, the invention provides the following scheme: the invention provides a photoelectric network transformer substation, comprising: the device comprises an energy unit, an information unit and a sensing unit; the energy unit is used for energy source flow transmission and is also used for transmission and/or transformation and/or control of electric energy or optical energy; the information unit is used for generating and/or transmitting information flow, and is also used for transmitting communication information and exchanging data; the sensing unit comprises a photoelectric network sensor, is used for generating and/or transmitting a sensing signal, generating a sensing current, sensing and monitoring equipment in the photoelectric network substation, sensing and monitoring an energy cable, and sensing and/or monitoring equipment connected with the energy cable.

Preferably, the energy unit comprises an energy unit device comprising a photovoltaic grid high voltage distribution device, a photovoltaic grid low voltage distribution device, a photovoltaic grid transformer device; the photoelectric network high-voltage distribution device and the photoelectric network low-voltage distribution device are externally connected in input and output through an energy cable, a photoelectric cable, an optical cable and a cable and are used for transmitting energy flow, information flow and sensing flow; the photoelectric network high-voltage distribution device is used for high-voltage and high-current connection, metering, protection, input and output, and data acquisition and control of the photoelectric network; the photoelectric network low-voltage distribution device part is used for low-voltage and high-current connection, compensation, distribution, protection, photoelectric network data acquisition and control; the photoelectric network transformer device is used for current and voltage transformation, electric isolation between a primary photoelectric network and a secondary photoelectric network, connection between a primary photoelectric network optical fiber and a secondary photoelectric network optical fiber, and working state monitoring, input and output of the photoelectric network transformer device;

the photoelectric network high-voltage distribution device comprises a photoelectric network high-voltage switch device and a photoelectric network high-voltage acquisition control device; the photoelectric network high-voltage switching device is used for controlling the connection and disconnection of high voltage and large current and is also used for sensing and monitoring energy source flow equipment; the photoelectric network high-voltage acquisition control device is used for acquiring the on-off state, the current value, the voltage value, the power factor, the temperature, the humidity and the field video image running state of the primary photoelectric network in real time on line, and executing a control instruction function, data operation, storage, input and output;

the photoelectric network low-voltage power distribution device comprises a photoelectric network low-voltage switch device and a photoelectric network low-voltage acquisition control device; the photoelectric network low-voltage switch device is used for dividing one or two energy source flows into N energy source flows for control and/or transmission, and is also used for sensing and monitoring energy source flow equipment; the photoelectric network low-voltage acquisition control device is used for acquiring the on-off state, the current numerical value, the voltage numerical value, the power, the capacitance switching value and the field video image state of the secondary photoelectric network, receiving and executing the control instruction function, and is also used for performing connection, on-off control and running state of a low-voltage energy cable line and data information acquisition;

the photoelectric network transformer device comprises a photoelectric network transformer, the photoelectric network transformer comprises a photoelectric copper wire, the photoelectric copper wire is used for forming a photoelectric network transformer coil, the photoelectric network transformer coil is used for high-voltage and high-current transformation, optical signal transmission, sensing monitoring of the running state of the photoelectric network transformer coil, and output of sensing monitoring signals; the photovoltaic network transformer device also comprises a photovoltaic network transformer monitoring device which is used for acquiring the working states of the energy flow equipment, the information flow equipment and the sensing flow equipment on line in real time, acquiring the current, voltage, power factor, temperature and humidity data of the photovoltaic network transformer, and performing data operation, storage, input and output on the acquired data.

Preferably, the optical-electrical network substation further comprises an optical-electrical network connection device, wherein the optical-electrical network connection device is used for optical and electrical separation and connection of optical cables or energy cables in the optical-electrical network, and is used for separation and connection of energy source flow, information flow and sensing flow; the optical-electric network connecting device is an overhead optical-electric network connecting device and/or an underground optical-electric network connecting device; the aerial optical-electric network connection device comprises an optical-electric separation module, a high-voltage insulator and an optical fiber connection module, wherein an optical-electric disc is arranged in the middle of the optical-electric separation module and used for connecting optical fibers, the energy source flow is led out through an interface of the optical-electric separation module, the optical fibers are connected to the optical fiber connection module through an internal channel of the high-voltage insulator and led out from the optical fiber connection module and used for being connected with an optical cable, and the high-voltage insulator is used for insulating the optical-electric separation module and the optical fiber connection module; the underground optical network connection device comprises a separation finger sleeve, wherein the separation finger sleeve is provided with one more finger than the traditional finger sleeve, is used for leading out the optical fiber in the optical cable or the energy cable, and is used for realizing the separation or access of the energy source flow, the information flow and the sensing flow.

Preferably, the information unit comprises a unit of information device comprising a communication module; the communication module is an optical communication module or a wireless communication module; the optical communication module is used for connecting with optical fibers in an optical cable, an optical cable and an energy cable to form an optical network communication network with remote communication equipment, is used for forming bidirectional information flow and is also used for bidirectional information transmission or exchange; the wireless communication module forms a communication network through wireless transceiving equipment and is used for forming bidirectional information flow and carrying out bidirectional information transmission or exchange;

the communication module comprises a photoelectric network data chip, the photoelectric network data chip comprises a photoelectric network protocol, and the photoelectric network protocol is used for transmitting energy flow data, information flow data and sensing flow data according to a convention format.

Preferably, the sensing unit comprises sensing unit equipment, the sensing unit equipment comprises a sensing module and a photoelectric network sensor, the sensing unit equipment can be connected to an upper-stage transformer substation through an optical fiber channel in an energy cable and an optical cable or connected to a sensing data processing center through an optical fiber, and the sensing unit equipment can be connected to a sensing unit of a lower-stage photoelectric network transformer substation through an optical fiber in the energy cable and the optical cable or connected to other sensing data acquisition equipment through the optical fiber; the photoelectric network sensor comprises a high-voltage sensor, a low-voltage sensor and a line sensor; the high-voltage sensor is in contact connection with the photoelectric network high-voltage switch device and is used for monitoring the current, voltage, power, vibration and temperature change of high-voltage side equipment in real time on line; the low-voltage sensor is in contact connection with the photoelectric network low-voltage switching device and is used for forming a photoelectric network sensing network and monitoring and sensing current, voltage, power, vibration, temperature and humidity changes at a low-voltage side in real time; the line sensor is used for sensing the state change of the input or output cable line and sensing and monitoring the running state change of equipment connected with the cable line;

the sensing module is connected with the photoelectric network sensor and used for acquiring data of the photoelectric network sensor, controlling the photoelectric network sensor and carrying out information communication with other equipment; the sensing module is also used for transmitting the collected information of the photoelectric network high-voltage switch device to the photoelectric network high-voltage collection control device and transmitting the collected information of the photoelectric network low-voltage switch device to the photoelectric network low-voltage collection control device.

Preferably, the photovoltaic network substation further comprises a brain unit, wherein the brain unit comprises brain unit equipment, and the brain unit equipment comprises a photovoltaic network chip, photovoltaic network software and a photovoltaic network protocol; the brain unit equipment is connected with the energy unit equipment, the information unit equipment and the sensing unit equipment, is used for the comprehensive control and management of the energy source flow, the information flow and the sensing flow, is also used for the operation, analysis, storage, input, output, display and alarm of the running state data of the energy source flow, the information flow and the sensing flow, is also used for the digital control and management of the energy source flow, the information flow and the sensing flow, is also used for the digital management and control of the energy unit equipment, the information unit equipment and the sensing unit equipment, is also used for the digital management and control of the photoelectric network substation and is also used for forming a digital photoelectric network substation;

the energy unit equipment, the information unit equipment, the sensing unit equipment and the brain unit equipment comprise photoelectric network chips, the photoelectric network chips comprise photoelectric network data chips and/or photoelectric network interface chips, and the photoelectric network data chips are used for operation, processing, analysis and storage of various data, generating and analyzing data streams conforming to photoelectric network protocols and used for digital and systematic management and control of the photoelectric network transformer substation; the photoelectric network interface chip is used for inputting and outputting data, and the photoelectric network data chip is connected with the photoelectric network interface chip through a data bus;

the photoelectric network high-voltage acquisition control device, the photoelectric network low-voltage acquisition control device and the transformer monitoring device comprise photoelectric network chips which are connected with the photoelectric network chips of the brain unit equipment for information communication; the communication module comprises a photoelectric network chip which is connected with the photoelectric network chip of the brain unit equipment for data communication; the sensing module comprises a photoelectric network chip which is connected with the photoelectric network chip of the brain unit equipment for data communication;

the brain unit is connected with the photoelectric network high-voltage acquisition control device and the photoelectric network low-voltage acquisition control device and is respectively used for reading the states and values of the high-voltage side and the low-voltage side, setting the threshold value, executing the operation command, monitoring, controlling and managing; the brain unit equipment is connected with the transformer monitoring device and used for monitoring the running state of the transformer; the brain unit is connected with the communication module and used for external two-way information communication and monitoring the working condition of the communication unit equipment; the brain unit is connected with the sensing module and used for calling various sensing information;

the brain unit equipment can also receive an instruction sent by the previous stage and is used for starting the photoelectric breaker to be switched on or switched off; the brain unit device is connected with the energy unit device, the information unit device and the sensing unit device, performs data exchange analysis, is used for comprehensively judging the passing current or the bearing power of the photoelectric circuit breaker, is also used for actively disconnecting or connecting the 1 st path or the Nth path of energy source flow according to the important level, the secondary important level and the non-important level of the energy source flow at the output end when the photoelectric circuit breaker is in overcurrent or overload, and is also used for running state alarm, displays the current running state of the photoelectric network substation, is also used for displaying the generation reason of disconnecting or connecting the 1 st path or the Nth path of energy source flow, and is also used for transmitting alarm information and the current running state to other communication terminals or mobile phones.

Preferably, the unit devices in the photoelectric network substation are connected to form an internal connection network, and the external connection network is formed by the connection between external stations and the connection between the stations and the photoelectric network terminal;

the internal energy unit equipment, the information unit equipment, the sensing unit equipment and the brain unit equipment of the photoelectric network transformer substation are connected to form an internal management network;

the optical power network substations are connected with each other through energy cables, and energy unit devices of the optical power network substations can form an energy network through the energy cables, so that the energy network is used for transmitting energy flows and is also used for controlling and managing the energy flows; information networks can be formed among information unit devices of the photoelectric network transformer substation through energy cables and are used for information flow transmission; sensing unit devices of the photoelectric network transformer substation can form a sensing network through energy cables, and the sensing network is used for transmitting sensing current, real-time online monitoring of the energy network and the information network, and generation of the sensing current;

the photoelectric network terminal can be a photoelectric network terminal control box device, and the photoelectric network terminal control box device is a device comprising an energy unit, an information unit, a sensing unit and a brain unit and is used for transmitting and/or controlling energy source flow, information flow and sensing flow.

Preferably, the photoelectric network substation is a multi-station fusion station, and a 5G fusion station is formed by adding 5G equipment to fuse a 5G base station function; a computer server and a data storage device are added to integrate the functions of a data center to form a big data center station for data operation, storage, analysis, input and output; the charging station is formed by adding the function of the charging equipment and combining the function of the charging station, and is used for charging and discharging the equipment; the energy storage station is formed by adding energy storage equipment and fusing energy storage station functions and is used for storing and releasing energy; a block chain central station is formed by adding block chain software and hardware equipment to fuse a block chain central function and is used for operation, storage, analysis, input and output of block chain data; an artificial intelligence central station is formed by adding artificial intelligence equipment and fusing artificial intelligence central functions, and is used for controlling and managing an artificial intelligence system and a terminal; the photoelectric network substation energy storage and transmission system comprises a photoelectric network substation energy storage unit, a communication unit and a sensing unit, wherein the energy storage unit is used for providing energy for equipment; the system comprises a photoelectric network transformer substation, a big data center, a charging station, an energy storage station, a 5G wireless base station, a block chain central station and an artificial intelligence central station, wherein the photoelectric network transformer substation is used for networking a multi-station fusion station through networking of the photoelectric network transformer substation, and is also used for forming a comprehensive photoelectric network and a comprehensive network with fused functions.

Preferably, the photovoltaic network substation may be a box-type photovoltaic network substation, configured to facilitate collection, input, output, and control of the energy source flow, the information flow, and the sensing flow, facilitate movement and quick installation of the box-type photovoltaic network substation, and reduce a floor area, one side of the box-type photovoltaic network substation is provided with an optical cross-connecting box, one end of the optical cross-connecting box is connected to a higher-level input optical fiber, and the other end of the optical cross-connecting box is connected to the information unit device and the sensing unit device, and is further configured to be connected to the photovoltaic network high-voltage acquisition control device and the photovoltaic network low-voltage acquisition control device, so as to form the information flow and the sensing flow channel, and is further configured to perform transmission or data exchange between the sensing flow and the information flow with a previous level; the appearance color of the box type photoelectric network transformer substation can be green, so that the box type photoelectric network transformer substation is convenient for eye recognition and city beautification, and can also be black or other colors.

Preferably, the information unit device comprises communication and information transmission and access equipment, and is used for transmission and/or access of optical signals or electric signals, and is also used for transmission, access, analysis, storage and control of the information flow;

the sensing unit equipment comprises voltage, current, temperature, humidity, power, time, pressure, vibration, gas, alarm, display and video sensors, is used for sensing the operation change states of the voltage, the current, the temperature, the humidity, the power, the time, the pressure, the vibration, the gas, the alarm, the display and the video and is also used for generating and transmitting sensing flow;

the energy flow device comprises a transformer, an energy cable, an optical cable, an electric cable, a switch cabinet, a switch, a circuit breaker, a fuse, an energy optical fiber for transmitting and/or controlling the energy flow, and the energy optical fiber for transmitting light energy;

the optical copper wire is used for transmitting the energy source flow, the information flow and the sensing flow, is used for manufacturing the coil of the photoelectric network transformer and is also used for monitoring the photoelectric network transformer on line in real time;

the energy cable is used for transmitting the energy source flow, the information flow and the sensing flow, the energy cable is also used for forming a distributed sensor and is used for real-time online monitoring of the energy cable, and the energy cable is a single-core or multi-core cable;

the communication unit equipment and the sensing unit equipment can be arranged in a box, or the communication module and the sensing module are arranged on a circuit board, so that the line connection, data storage, data input or output between the communication module and the sensing module are facilitated;

the energy source flow is an electron flow and is used for driving the electric equipment to do work or a photon flow and is used for driving the optical equipment to do work; the electron flow is transmitted by conductive metal or conductive nonmetal, the conductive nonmetal is graphene material, and the photon flow is transmitted by optical fiber; the information flow and the sensing flow are optical signal flows, are used for bearing communication information or sensing information, and are also used for information transmission and exchange among the energy unit equipment, the information unit equipment and the sensing unit equipment; the information flow is transmitted by a transmission optical fiber, the sensing flow is transmitted by a sensing optical fiber, the sensing optical fiber comprises a sensitive material, and the sensitive material is a voltage, current, temperature, humidity, power, electromagnetism, pressure, vibration, gas, speed and video sensitive material and is used for sensing the change of the voltage, current, temperature, humidity, power, electromagnetism, pressure, vibration, gas, speed and video running state; the information stream and the sensing stream can also be transmitted simultaneously by the transmission fiber or simultaneously by the sensing fiber;

the photoelectric network chip is used for generating and analyzing a data stream conforming to a photoelectric network protocol, and is also used for operation, analysis, storage, input and output of various data such as voltage, current, temperature, humidity, power, time, pressure, vibration, gas, alarm, display and video, digital management and control of the energy unit equipment, the information unit equipment and the sensing unit equipment, and control of the energy source stream, the information stream and the sensing stream, wherein the data stream comprises the data of the energy source stream, the information stream and the sensing stream; the photoelectric network interface chip is used for inputting and outputting various data such as voltage, current, temperature, humidity, power, time, pressure, vibration, gas, alarm, display and video;

the photoelectric network software comprises photoelectric network system software and photoelectric network terminal software, and the photoelectric network system software is installed in the brain unit equipment and is used for controlling and managing the energy source flow, the information flow and the sensing flow, controlling and managing the photoelectric network transformer substation, calculating, storing, analyzing, inputting and outputting data of the energy unit equipment, the information unit equipment and the sensing unit equipment, and displaying data and giving a fault alarm; the terminal software of the photoelectric network is installed in the terminal equipment of the photoelectric network, the terminal equipment of the photoelectric network comprises energy terminal equipment, information terminal equipment and sensing terminal equipment, the energy terminal equipment, the information terminal equipment and the sensing terminal equipment comprise terminal software of the photoelectric network, and the terminal software of the photoelectric network is used for communication and data exchange among the energy unit equipment, the information unit equipment and the sensing unit equipment, the energy unit equipment, the information unit equipment, the sensing unit equipment and the brain unit equipment, the data operation, storage, analysis, input and output of the terminal equipment of the photoelectric network, the terminal equipment of the photoelectric network is used for communication, and the terminal equipment of the photoelectric network is used for sensing monitoring, control and management;

the photovoltaic network protocol is used for jointly appointing communication modes among photovoltaic network system equipment, information communication among the energy units, the information units and the sensing units, information communication among the energy units, the information units and internal equipment or modules of the sensing units, structural control of the energy source flow, the information flow and the sensing flow, and control and management of the photovoltaic network substation equipment;

the photoelectric network protocol comprises a starting field, an ending field and a data field, wherein the data field comprises a destination address field, a source address field, a frame type field, a frame length field, a frame number field, a data net kernel field and a frame check field; the starting field is used for the receiving end to judge the starting position of the protocol, and the destination address field is used for the receiving end to judge whether the data belongs to the data; the source data segment is used for acquiring the source of the data; the frame type field is used for judging the type of the data of the frame; the frame number field is used for judging whether the frame is a single frame or the frame in the continuous frames; the data clear core field stores valid data; the frame check field is used for judging whether the transmission data has errors or not; the end field is used for judging whether a subsequent frame exists or not; the frame types are an energy type frame, an information type frame and a sensing type frame; the frame is defined by a header or start byte, three each of F6 and 28, F6F 6F 6282828, for 6 bytes; destination address 128 bits, supporting IPV6, 16 bytes; source address 128 bits, supporting IPV6, 16 bytes; the frame type is 2 bytes, which are divided into an energy type, a signal type and a sense type, and are subdivided into a command type and a data type; the frame length is 2 bytes; frame number 1 byte; data clear checking; the frame checks for a 4 byte CRC 32; end of frame character F0, 0F, 1 byte; the frame type is that the first bit of the first byte is an energy type command bit, the second bit is an energy type data bit, the third bit is a signal type command bit, the fourth bit is a signal type data bit, the fifth bit is a sensing type command bit, and the sixth bit is a sensing type data bit; the other byte is the extension of the byte type, the extended byte corresponds to the corresponding data length, 1 represents 16 bytes, and 2 represents 32 bytes; longer data need to be transmitted in frames, and the frame numbers are set to show continuity; the checksum is used for verifying whether the data transmission has errors or not; when the frame end symbol is used for data framing, whether subsequent framing exists is distinguished, F0 ends the frame, and 0F has the following; the net kernel length of the data frame is controlled within 500 bytes.

The invention discloses the following technical effects:

(1) the brain unit is connected with the photoelectric network high-voltage acquisition control device, the photoelectric network low-voltage acquisition control device, the transformer monitoring device, the communication module and the sensing module to transmit, convert and control the energy source flow, the information flow and the sensing flow, one-network transmission of the energy source flow, the information flow and the sensing flow is realized, the formats of energy source flow data, information flow data and sensing flow data are agreed through a photoelectric network protocol, and the high efficiency and reliability of information transmission are effectively ensured.

(2) The invention effectively realizes the real-time online monitoring of the running state of the external equipment and the cable circuit inside and outside the optical power grid by connecting the optical power grid sensor with the optical power grid high-voltage switch device, the optical power grid low-voltage switch device, the cable circuit and the external equipment connected with the cable circuit and transmitting the data acquired by the optical power sensor to the brain unit through the sensing module, thereby reducing the consumption of manpower and material resources.

(3) The invention forms an internal connection network by connecting all unit devices in the photoelectric network transformer substation, forms an external connection network by connecting external stations and connecting the stations and the photoelectric network terminals, and can provide an independent and safe special network for users so as to meet the strict requirements of the users on information communication safety.

(4) The invention can realize the function of the 5G base station by adding the 5G equipment, realize the function of the data center by adding the server and the storage equipment, and realize the function of the charging station by adding the charging equipment, thereby realizing the multi-station fusion station and effectively improving the usability of the photoelectric network transformer substation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a diagram illustrating the structure of an intranet according to the present invention;

fig. 3 is a schematic diagram of the extranet architecture of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1 to 3, the present embodiment provides an optical power network substation including: the device comprises an energy unit, an information unit and a sensing unit; the energy unit is used for energy source flow transmission and is also used for transmission and/or transformation and/or control of electric energy or optical energy; the information unit is used for generating and/or transmitting information flow, and is also used for transmitting communication information and exchanging data; the sensing unit comprises a photoelectric network sensor, is used for generating and/or transmitting a sensing signal, generating a sensing current, sensing and monitoring equipment in the photoelectric network substation, sensing and monitoring an energy cable, and sensing and/or monitoring equipment connected with the energy cable.

According to a further optimization scheme, the energy unit comprises energy unit equipment, and the energy unit equipment comprises a photoelectric network high-voltage distribution device, a photoelectric network low-voltage distribution device and a photoelectric network transformer device; the photoelectric network high-voltage distribution device and the photoelectric network low-voltage distribution device are externally connected in input and output through an energy cable, a photoelectric cable, an optical cable and a cable and are used for transmitting energy flow, information flow and sensing flow; the photoelectric network high-voltage distribution device is used for high-voltage and high-current connection, metering, protection, input and output, and data acquisition and control of the photoelectric network; the photoelectric network low-voltage distribution device part is used for low-voltage and high-current connection, compensation, distribution, protection, photoelectric network data acquisition and control; the photoelectric network transformer device is used for current and voltage transformation, electric isolation between a primary photoelectric network and a secondary photoelectric network, connection between a primary photoelectric network optical fiber and a secondary photoelectric network optical fiber, and working state monitoring, input and output of the photoelectric network transformer device;

In a further optimized scheme, the optical-electrical network transformer substation also comprises an optical-electrical network connection device, wherein the optical-electrical network connection device is used for separating and connecting light and electricity of an optical cable or an energy cable in the optical-electrical network and is used for separating and connecting energy source flow, information flow and sensing flow; the optical-electric network connecting device is an overhead optical-electric network connecting device and/or an underground optical-electric network connecting device; the aerial optical-electric network connection device comprises an optical-electric separation module, a high-voltage insulator and an optical fiber connection module, wherein an optical-electric disc is arranged in the middle of the optical-electric separation module and used for connecting optical fibers, the energy source flow is led out through an interface of the optical-electric separation module, the optical fibers are connected to the optical fiber connection module through an internal channel of the high-voltage insulator and led out from the optical fiber connection module and used for being connected with an optical cable, and the high-voltage insulator is used for insulating the optical-electric separation module and the optical fiber connection module; the underground optical network connection device comprises a separation finger sleeve, wherein the separation finger sleeve is provided with one more finger than the traditional finger sleeve, is used for leading out the optical fiber in the optical cable or the energy cable, and is used for realizing the separation or access of the energy source flow, the information flow and the sensing flow.

According to a further optimization scheme, the information unit comprises information unit equipment, and the information unit equipment comprises a communication module; the communication module is an optical communication module or a wireless communication module; the optical communication module is used for connecting with optical fibers in an optical cable, an optical cable and an energy cable to form an optical network communication network with remote communication equipment, is used for forming bidirectional information flow and is also used for bidirectional information transmission or exchange; the wireless communication module forms a communication network through wireless transceiving equipment and is used for forming bidirectional information flow and carrying out bidirectional information transmission or exchange;

According to a further optimization scheme, the sensing unit comprises sensing unit equipment, the sensing unit equipment comprises a sensing module and a photoelectric network sensor, the sensing unit equipment can be connected to a previous-stage transformer substation through an optical fiber channel in an energy cable and an optical cable or connected to a sensing data processing center through an optical fiber, and the sensing unit equipment can be connected to a sensing unit of a next-stage photoelectric network transformer substation through an optical fiber in the energy cable and the optical cable or connected to other sensing data acquisition equipment through an optical fiber; the photoelectric network sensor comprises a high-voltage sensor, a low-voltage sensor and a line sensor; the high-voltage sensor is in contact connection with the photoelectric network high-voltage switch device and is used for monitoring the current, voltage, power, vibration and temperature change of high-voltage side equipment in real time on line; the low-voltage sensor is in contact connection with the photoelectric network low-voltage switching device and is used for forming a photoelectric network sensing network and monitoring and sensing current, voltage, power, vibration, temperature and humidity changes at a low-voltage side in real time; the line sensor is used for sensing the state change of the input or output cable line and sensing and monitoring the running state change of equipment connected with the cable line;

According to a further optimization scheme, the photoelectric network transformer substation further comprises a brain unit, wherein the brain unit comprises brain unit equipment, and the brain unit equipment comprises a photoelectric network chip, photoelectric network software and a photoelectric network protocol; the brain unit equipment is connected with the energy unit equipment, the information unit equipment and the sensing unit equipment, is used for the comprehensive control and management of the energy source flow, the information flow and the sensing flow, is also used for the operation, analysis, storage, input, output, display and alarm of the running state data of the energy source flow, the information flow and the sensing flow, is also used for the digital control and management of the energy source flow, the information flow and the sensing flow, is also used for the digital management and control of the energy unit equipment, the information unit equipment and the sensing unit equipment, is also used for the digital management and control of the photoelectric network substation and is also used for forming a digital photoelectric network substation;

According to the further optimization scheme, all unit devices in the photoelectric network transformer substation are connected to form an internal connection network, and external connection networks are formed by connection between external stations and connection between the external stations and terminals of the photoelectric network;

According to the further optimization scheme, the photoelectric network transformer substation is a multi-station fusion station, and a 5G fusion station is formed by adding 5G equipment to fuse a 5G base station function; a computer server and a data storage device are added to integrate the functions of a data center to form a big data center station for data operation, storage, analysis, input and output; the charging station is formed by adding the function of the charging equipment and combining the function of the charging station, and is used for charging and discharging the equipment; the energy storage station is formed by adding energy storage equipment and fusing energy storage station functions and is used for storing and releasing energy; a block chain central station is formed by adding block chain software and hardware equipment to fuse a block chain central function and is used for operation, storage, analysis, input and output of block chain data; an artificial intelligence central station is formed by adding artificial intelligence equipment and fusing artificial intelligence central functions, and is used for controlling and managing an artificial intelligence system and a terminal; the photoelectric network substation energy storage and transmission system comprises a photoelectric network substation energy storage unit, a communication unit and a sensing unit, wherein the energy storage unit is used for providing energy for equipment; the system comprises a photoelectric network transformer substation, a big data center, a charging station, an energy storage station, a 5G wireless base station, a block chain central station and an artificial intelligence central station, wherein the photoelectric network transformer substation is used for networking a multi-station fusion station through networking of the photoelectric network transformer substation, and is also used for forming a comprehensive photoelectric network and a comprehensive network with fused functions.

According to a further optimization scheme, the photovoltaic network transformer substation can be a box-type photovoltaic network transformer substation and is used for facilitating collection, input, output and control of energy source flow, information flow and sensing flow, facilitating movement and rapid installation of the box-type photovoltaic network transformer substation and reducing occupied area, an optical cross connecting box is arranged on one side of the box-type photovoltaic network transformer substation, one end of the optical cross connecting box is connected with a superior input optical fiber, the other end of the optical cross connecting box is connected with the information unit equipment and the sensing unit equipment, and is also used for being connected with the photovoltaic network high-voltage acquisition control device and the photovoltaic network low-voltage acquisition control device to form the information flow and the sensing flow passage and further used for carrying out transmission or data exchange of the sensing flow and the information flow with an upper stage; the appearance color of the box type photoelectric network transformer substation can be green, so that the box type photoelectric network transformer substation is convenient for eye recognition and city beautification, and can also be black or other colors.

In a further optimized scheme, the information unit device comprises communication and information transmission and access equipment, and is used for transmission and/or access of optical signals or electric signals, and is also used for transmission, access, analysis, storage and control of the information flow;

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. A photovoltaic grid substation, comprising: the device comprises an energy unit, an information unit and a sensing unit; the energy unit is used for energy source flow transmission and is also used for transmission and/or transformation and/or control of electric energy or optical energy; the information unit is used for generating and/or transmitting information flow, and is also used for transmitting communication information and exchanging data; the sensing unit comprises a photoelectric network sensor, is used for generating and/or transmitting a sensing signal, generating a sensing current, sensing and monitoring equipment in the photoelectric network substation, sensing and monitoring an energy cable, and sensing and/or monitoring equipment connected with the energy cable.

2. The photovoltaic grid substation of claim 1, wherein the energy unit comprises an energy unit device comprising a photovoltaic grid high voltage distribution device, a photovoltaic grid low voltage distribution device, a photovoltaic grid transformer device; the photoelectric network high-voltage distribution device and the photoelectric network low-voltage distribution device are externally connected in input and output through an energy cable, a photoelectric cable, an optical cable and a cable and are used for transmitting energy flow, information flow and sensing flow; the photoelectric network high-voltage distribution device is used for high-voltage and high-current connection, metering, protection, input and output, and data acquisition and control of the photoelectric network; the photoelectric network low-voltage distribution device part is used for low-voltage and high-current connection, compensation, distribution, protection, photoelectric network data acquisition and control; the photoelectric network transformer device is used for current and voltage transformation, electric isolation between a primary photoelectric network and a secondary photoelectric network, connection between a primary photoelectric network optical fiber and a secondary photoelectric network optical fiber, and working state monitoring, input and output of the photoelectric network transformer device;

3. The optical-electrical network substation according to claims 1 and 2, characterized in that it further comprises an optical-electrical network connection device for optical and electrical separation and connection of optical or energy cables in the optical-electrical network, for separation and connection of energy source, information and sensor flows; the optical-electric network connecting device is an overhead optical-electric network connecting device and/or an underground optical-electric network connecting device; the aerial optical-electric network connection device comprises an optical-electric separation module, a high-voltage insulator and an optical fiber connection module, wherein an optical-electric disc is arranged in the middle of the optical-electric separation module and used for connecting optical fibers, the energy source flow is led out through an interface of the optical-electric separation module, the optical fibers are connected to the optical fiber connection module through an internal channel of the high-voltage insulator and led out from the optical fiber connection module and used for being connected with an optical cable, and the high-voltage insulator is used for insulating the optical-electric separation module and the optical fiber connection module; the underground optical network connection device comprises a separation finger sleeve, wherein the separation finger sleeve is provided with one more finger than the traditional finger sleeve, is used for leading out the optical fiber in the optical cable or the energy cable, and is used for realizing the separation or access of the energy source flow, the information flow and the sensing flow.

4. The photovoltaic network substation of claims 1, 2, 3, wherein the information unit comprises a credit unit device comprising a communication module; the communication module is an optical communication module or a wireless communication module; the optical communication module is used for connecting with optical fibers in an optical cable, an optical cable and an energy cable to form an optical network communication network with remote communication equipment, is used for forming bidirectional information flow and is also used for bidirectional information transmission or exchange; the wireless communication module forms a communication network through wireless transceiving equipment and is used for forming bidirectional information flow and carrying out bidirectional information transmission or exchange;

5. The optical-electrical network substation according to claims 1, 2, 3, and 4, wherein the sensing unit comprises a sensing unit device, the sensing unit device comprises a sensing module and an optical-electrical network sensor, the sensing unit device can be connected to a previous substation through an optical fiber channel in an energy cable or an optical cable or connected to a sensing data processing center through an optical fiber, and the sensing unit device can be connected to a sensing unit of a next-stage optical-electrical network substation through an optical fiber in an energy cable or an optical cable or connected to other sensing data acquisition devices through an optical fiber; the photoelectric network sensor comprises a high-voltage sensor, a low-voltage sensor and a line sensor; the high-voltage sensor is in contact connection with the photoelectric network high-voltage switch device and is used for monitoring the current, voltage, power, vibration and temperature change of high-voltage side equipment in real time on line; the low-voltage sensor is in contact connection with the photoelectric network low-voltage switching device and is used for forming a photoelectric network sensing network and monitoring and sensing current, voltage, power, vibration, temperature and humidity changes at a low-voltage side in real time; the line sensor is used for sensing the state change of the input or output cable line and sensing and monitoring the running state change of equipment connected with the cable line;

6. The optical-electrical network substation according to claims 1, 2, 3, 4, and 5, further comprising a brain unit, wherein the brain unit comprises a brain unit device, and the brain unit device comprises an optical-electrical network chip, optical-electrical network software, and an optical-electrical network protocol; the brain unit equipment is connected with the energy unit equipment, the information unit equipment and the sensing unit equipment, is used for the comprehensive control and management of the energy source flow, the information flow and the sensing flow, is also used for the operation, analysis, storage, input, output, display and alarm of the running state data of the energy source flow, the information flow and the sensing flow, is also used for the digital control and management of the energy source flow, the information flow and the sensing flow, is also used for the digital management and control of the energy unit equipment, the information unit equipment and the sensing unit equipment, is also used for the digital management and control of the photoelectric network substation and is also used for forming a digital photoelectric network substation;

7. The substation according to claims 1, 2, 3, 4, 5 and 6, wherein the connection among the unit devices in the substation forms an internal connection network, and the connection between external stations and the connection between stations and terminals of the photovoltaic network form an external connection network;

8. The photovoltaic network substation according to claims 1, 2, 3, 4, 5, 6 and 7, wherein the photovoltaic network substation is a multi-station fusion station, and a 5G fusion station is formed by adding 5G devices to fuse 5G base station functions; a computer server and a data storage device are added to integrate the functions of a data center to form a big data center station for data operation, storage, analysis, input and output; the charging station is formed by adding the function of the charging equipment and combining the function of the charging station, and is used for charging and discharging the equipment; the energy storage station is formed by adding energy storage equipment and fusing energy storage station functions and is used for storing and releasing energy; a block chain central station is formed by adding block chain software and hardware equipment to fuse a block chain central function and is used for operation, storage, analysis, input and output of block chain data; an artificial intelligence central station is formed by adding artificial intelligence equipment and fusing artificial intelligence central functions, and is used for controlling and managing an artificial intelligence system and a terminal; the photoelectric network substation energy storage and transmission system comprises a photoelectric network substation energy storage unit, a communication unit and a sensing unit, wherein the energy storage unit is used for providing energy for equipment; the system comprises a photoelectric network transformer substation, a big data center, a charging station, an energy storage station, a 5G wireless base station, a block chain central station and an artificial intelligence central station, wherein the photoelectric network transformer substation is used for networking a multi-station fusion station through networking of the photoelectric network transformer substation, and is also used for forming a comprehensive photoelectric network and a comprehensive network with fused functions.

9. The photovoltaic grid substation of claims 1, 2, 3, 4, 5, 6, 7, 8, it is characterized in that the optical network transformer substation can be a box-type optical network transformer substation, is used for facilitating the collection, input, output and control of the energy flow, the information flow and the sensing flow, is also used for facilitating the movement and rapid installation of the box-type optical network transformer substation and reducing the occupied area, one side of the box-type photoelectric network transformer substation is provided with an optical cross connecting box, one end of the optical cross connecting box is connected with a superior input optical fiber, the other end of the optical cross connecting box is connected with the information unit equipment and the sensing unit equipment, and the optical cross connecting box is also used for being connected with the photoelectric network high-voltage acquisition control device and the photoelectric network low-voltage acquisition control device, the sensor flow channel is used for forming the information flow and the sensor flow channel and is also used for carrying out transmission or data exchange of the sensor flow and the information flow with the upper stage; the appearance color of the box type photoelectric network transformer substation can be green, so that the box type photoelectric network transformer substation is convenient for eye recognition and city beautification, and can also be black or other colors.

10. The substation according to claims 1, 2, 3, 4, 5, 6, 7, 8, 9, characterized in that the unit devices, including communication and information transmission and access devices, are used for transmission and/or access of optical or electrical signals and also for transmission, access, analysis, storage, control of the information flow;

the photoelectric network protocol comprises a starting field, an ending field and a data field, wherein the data field comprises a destination address field, a source address field, a frame type field, a frame length field, a frame number field, a data net kernel field and a frame check field; the starting field is used for the receiving end to judge the starting position of the protocol, and the destination address field is used for the receiving end to judge whether the data belongs to the data; the source data segment is used for acquiring the source of the data; the frame type field is used for judging the type of the data of the frame; the frame number field is used for judging whether the frame is a single frame or the frame in the continuous frames; the data clear core field stores valid data; the frame check field is used for judging whether the transmission data has errors or not; the end field is used for judging whether a subsequent frame exists or not; the frame types are an energy type frame, an information type frame and a sensing type frame; the frame is defined by a header or start byte, three each of F6 and 28, F6F 6F 6282828, for 6 bytes; destination address 128 bits, supporting IPV6, 16 bytes; source address 128 bits, supporting IPV6, 16 bytes; the frame type is 2 bytes, which are divided into an energy type, a signal type and a sense type, and are subdivided into a command type and a data type; the frame length is 2 bytes; frame number 1 byte; data clear checking; the frame checks for a 4 byte CRC 32; end of frame F0 or 0F, 1 byte; the frame type is that the first bit of the first byte is an energy type command bit, the second bit is an energy type data bit, the third bit is a signal type command bit, the fourth bit is a signal type data bit, the fifth bit is a sensing type command bit, and the sixth bit is a sensing type data bit; the other byte is the extension of the byte type, the extended byte corresponds to the corresponding data length, 1 represents 16 bytes, and 2 represents 32 bytes; longer data need to be transmitted in frames, and the frame numbers are set to show continuity; the checksum is used for verifying whether the data transmission has errors or not; when the frame end symbol is used for data framing, whether subsequent framing exists is distinguished, F0 ends the frame, and 0F has the following; the net kernel length of the data frame is controlled within 500 bytes.