CN117996836A - Zero-carbon intelligent park energy system - Google Patents
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Abstract
The invention relates to a zero-carbon intelligent park energy system, which comprises: an energy supply module, an energy distribution module and an energy utilization module; the energy supply module comprises a primary energy system and a secondary energy system which meet the energy consumption requirements of various park scenes, and provides primary energy and/or secondary energy for the energy utilization module; the energy distribution module comprises a power distribution system, alternating current and direct current equipment, an energy storage system, a reactive power compensation system and a comprehensive energy management and control system, and is connected with the energy supply module and used for providing control signals for the energy supply module so as to distribute energy for the energy utilization module; the energy utilization module comprises a park lighting system, a central air conditioning system, a conference room system and a charging pile system. The invention can realize the management and control of the integrated comprehensive energy of the garden source network and the charge storage.
Description
Technical Field
The invention relates to the technical field of energy Internet of parks, in particular to a zero-carbon intelligent park energy system.
Background
The energy internet of the park is one of the best application scenes for developing multi-energy collaborative utilization and comprehensive energy service under the low-carbon economic background, and has important strategic significance for promoting the optimization and adjustment of the Chinese energy structure. Aiming at typical concentrated energy utilization areas such as industrial parks, large public buildings, novel towns, residential communities and the like, a comprehensive energy system is built, the energy utilization efficiency is improved, and the comprehensive energy utilization system is an important measure for promoting clean low-carbon safety and high efficiency of energy. Park zero carbonization is an effective practice to drive energy supply zero carbonization and economic development zero carbonization.
While social power demands are increasing, the phenomenon of energy waste is also serious. There is the energy supply rough in the comprehensive energy construction of some parks at present, lacks overall planning, and new energy running characteristic is complicated, and system control is behind, lacks intelligent networking scheduling problem, and the energy does not accomplish reasonable allocation and utilizes the maximize, and the enterprise is for the guarantee production demand, and the urgent need carries out the electric power reform of park, improves the energy supply guarantee of park and regulating capacity.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a zero-carbon intelligent park energy system for realizing park source network charge storage integrated comprehensive energy management and control.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a zero-carbon smart park energy system, comprising: an energy supply module, an energy distribution module and an energy utilization module; the energy supply module comprises a primary energy system and a secondary energy system which meet the energy consumption requirements of various park scenes, and provides primary energy and/or secondary energy for the energy utilization module; the energy distribution module comprises a power distribution system, alternating current and direct current equipment, an energy storage system, a reactive power compensation system and a comprehensive energy management and control system, and is connected with the energy supply module and used for providing control signals for the energy supply module so as to distribute energy for the energy utilization module; the energy utilization module comprises a park lighting system, a central air conditioning system, a meeting room system and a charging pile system.
Further, the primary energy system comprises a distributed energy system, and the distributed energy system comprises a photovoltaic power generation device, a wind power generation device and/or a geothermal power generation device; the secondary energy system includes a power grid and/or a campus power station.
Further, the photovoltaic power generation device comprises a photovoltaic module, a photovoltaic inverter, a photovoltaic combiner box, a grid-connected access system and a photovoltaic control system;
The photovoltaic module is connected with one end of a photovoltaic combiner box through a photovoltaic inverter, the other end of the photovoltaic combiner box is connected with a grid-connected access system, the grid-connected access system is connected with a photovoltaic control system, and the photovoltaic control system is used for controlling the photovoltaic module to access a power grid.
Further, the photovoltaic power generation device adopts a building photovoltaic integrated photovoltaic tile and covers a full roof.
Further, the power distribution system comprises a primary power distribution system and a secondary power distribution system;
the primary power distribution system is connected with the primary energy system;
The secondary power distribution system is a relay protection system and is connected with the secondary energy system.
Further, the energy storage system comprises a container type energy storage system and a distributed outdoor cabinet energy storage system;
The container type energy storage system comprises a battery module, an energy storage battery container, an inversion and boosting integrated machine system, a grid-connected access system, a secondary power distribution system, a computer monitoring system and an EMS energy management and control system; the battery module and the energy storage battery container are connected with the grid-connected access system through the inversion and boosting integrated machine system; the grid-connected access system is connected with the secondary power distribution system, and the grid-connected access system, the secondary power distribution system and the EMS energy management and control system are all connected with the computer monitoring system; the EMS energy management and control system is respectively connected with the battery module and the energy storage battery container and used for controlling the energy storage state of the battery;
The distributed outdoor cabinet energy storage system comprises a battery module, a thermal management system, a PCS system and a local control system; the battery module and the thermal management system are connected with the local control system through the PCS system.
Further, comprehensive energy management and control respectively performs information interaction with the conference room system, the central air conditioning system, the charging pile system and the park lighting system.
Further, the conference room system comprises a curtain control system, a display screen control system, a central air-conditioning control system and an intelligent light control system;
The central air-conditioning control system performs information interaction on the window curtain control system, the display screen control system and the intelligent light control system;
according to the preset value, the illumination intensity and the air-conditioning temperature of the conference room are controlled, and intelligent control, energy conservation and emission reduction of the equipment in the conference room are realized.
Further, the central air conditioning system is connected with the central air conditioning control system, the central air conditioning control system comprises a multi-connected air conditioner centralized control system, the multi-connected air conditioner centralized control system is in communication connection with the comprehensive energy management and control system through a plurality of gateways, and communication protocols supported by the gateways comprise Modbus protocol and IMMPRO system Bacnet protocol.
Further, the charging pile system comprises an alternating current/direct current charging pile, a concentrator, a battery management system and a charging management service platform; the AC/DC charging pile and the concentrator use a CAN bus for data interaction, and the concentrator, the battery management system and the charging management service platform use a wired internet or a wireless GPRS network for data interaction.
Due to the adoption of the technical scheme, the invention has the following advantages:
1. The invention performs unified management and control and operation maintenance of the comprehensive energy of the park through the cooperative work of the three systems of energy supply, energy distribution and energy use, is applied to the scenes of various industrial parks, novel towns, intelligent parks and the like, improves the electricity and economic benefits of the park, is beneficial to realizing the aim of carbon-to-peak carbon neutralization, and has good social benefits.
2. The invention integrates renewable resources, electrochemical energy storage, a power distribution network system, an intelligent office system and controllable loads for the technical solution of the zero-carbon intelligent park, can realize the integrated comprehensive energy management and control of the park source network and the load storage, and can be applied to typical concentrated energy utilization areas such as various industrial parks, large public buildings, novel towns, residential communities and the like.
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Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Like parts are designated with like reference numerals throughout the drawings. In the drawings:
FIG. 1 is a schematic diagram of an energy networking architecture for a smart park in an embodiment of the invention;
fig. 2 is a schematic diagram of a charging pile according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of intelligent control of a central air conditioner in an embodiment of the invention;
fig. 4 is a schematic diagram of a control flow of a smart meeting room in an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The zero-carbon intelligent park construction is a complex systematic engineering, and the concept of carbon neutralization is integrated in the whole life cycle of park planning, construction, management and the like. The realization of the zero-carbon intelligent park is independent of the support of various means such as energy conservation, emission reduction, carbon fixation, carbon sink and the like. Meanwhile, intelligent management of carbon elements is needed through industrial low-carbonization development, energy green transformation, facility aggregation sharing, resource recycling and carbon element intelligent management so as to achieve self-balancing of carbon emission and absorption in a park and realize deep integration of production, ecology and life. The construction of the zero-carbon intelligent park needs to define target willingness and construction thought, the capability of constructing zero-carbon transformation is ensured, and the zero-carbon intelligent park is supported by key technologies and elements and is continuously propelled according to effective paths.
The zero-carbon park is established on the basis of a digital fully-energized intelligent park, and the digital means is used for running the whole process of construction and operation of the zero cross-carbon park. Digitization and intellectualization become basic characteristics of the zero-carbon park, so the zero-carbon park is necessarily an intelligent park.
When the zero-carbon intelligent park is built in the initial stage, the intelligent energy and low-carbon development concept is required to be integrated into the comprehensive planning, construction and development process of the park, the Internet of things and big data technology are fully utilized in the aspects of land utilization, space, energy and construction, resources and environment, traffic, management and the like, carbon emission is reduced to the maximum extent, development of economy and ecological environment of the park is coordinated, and an industrial park of a development mode is actively innovated.
The existing comprehensive energy construction of some parks has the problems of extensive energy supply, lack of overall planning, complex new energy operation characteristics, lag system control, lack of intelligent networking and the like, and energy is not reasonably distributed and utilized to the maximum extent.
The power demand of the whole society is growing, and the phenomenon of energy waste is also serious. In recent times, countries have also issued policies for opening the gate of industrial parks, enterprises, etc., and enterprises are urgently required to carry out park power reform in order to ensure production demands, thereby improving the energy supply guarantee and regulation capability of parks.
In the construction of the zero-carbon intelligent park, besides the low-energy-consumption index design of the building body, the energy-saving and emission-reducing green low-carbon targets are required to be realized through other ways. Therefore, the invention meets the construction requirement of the zero-carbon intelligent park from the energy side, solves the reasonable configuration and management of the comprehensive energy of the zero-carbon park, and provides a solution for constructing the zero-carbon park.
As shown in fig. 1, in one embodiment of the present invention, a zero-carbon smart park energy system is provided, which includes three links: an energy supply module, an energy distribution module and an energy utilization module.
The energy supply module comprises a primary energy system and a secondary energy system which meet the energy consumption requirements of various park scenes, and provides primary energy and/or secondary energy for the energy utilization module;
the energy distribution module comprises a power distribution system, alternating current and direct current equipment, an energy storage system, a reactive power compensation system and a comprehensive energy management and control system, and is connected with the energy supply module and used for providing control signals for the energy supply module so as to distribute energy for the energy utilization module.
The energy utilization module comprises a park lighting system, a central air-conditioning system, a meeting room system and a charging pile system, and is mainly used for energy consumption, park personnel activities and the like of some main infrastructures and industrial production links in the park.
In a preferred embodiment, the primary energy system comprises a distributed energy system; the distributed energy system comprises a photovoltaic power generation device, a wind power generation device and/or a geothermal power generation device. The secondary energy system includes a power grid and/or a campus power station.
In this embodiment, the photovoltaic power generation device includes a photovoltaic module, a photovoltaic inverter, a photovoltaic combiner box, a grid-connected access system, and a photovoltaic control system. The photovoltaic module is connected with one end of a photovoltaic combiner box through a photovoltaic inverter, the other end of the photovoltaic combiner box is connected with a grid-connected access system, the grid-connected access system is connected with a photovoltaic control system, and the photovoltaic control system is used for controlling the photovoltaic module to access a power grid. In this embodiment, the photovoltaic module, the photovoltaic inverter, the photovoltaic combiner box, the grid-connected access system and the photovoltaic control system adopted by the photovoltaic power generation device are all in the prior art, so the internal composition and principle of each part are not described in detail herein.
Preferably, the photovoltaic power generation device in the park adopts Building Integrated Photovoltaic (BIPV) photovoltaic tiles (intelligent photovoltaic tile system), the whole roof is covered, the heat insulation performance is excellent, and the use cost of an internal air conditioner is saved.
In this embodiment, most of the primary energy in the park is in the form of a distributed energy system, such as solar energy, wind energy, geothermal energy, etc.; the secondary energy is electric power, coal, gas, liquefied gas, heating power and the like of a power grid or a park power station. The production and supply of the secondary energy often relate to equipment and systems in various parks, and various power generation equipment such as Chai Fa, photovoltaics, fans and the like, and heat related boilers, combustion engines, heating ventilation equipment and the like are common. The low carbon level of the energy supply adopted in this embodiment determines the effect of carbon management of the whole park to a great extent, and is an important part for realizing low-carbon operation.
In a preferred embodiment, the power distribution system in the energy distribution module includes a primary power distribution system and a secondary power distribution system. The primary power distribution system is connected with the primary energy system; the secondary power distribution system is a relay protection system and is connected with the secondary energy system.
In particular, in terms of electric power, the power distribution system is connected with a power grid, distributed power generation equipment and electric equipment, and key technologies mainly include a primary power distribution system, a secondary power distribution (relay protection) system, an alternating current/direct current device, an energy storage and reactive power compensation system, a comprehensive energy management and control system and related information systems. In the era that the electric energy of garden duty ratio gradually improves, the stability and the toughness of distribution system are determining the lower limit of energy safety for the garden, are the basic guarantee of garden production life. Meanwhile, due to the unstable characteristics of main clean energy supply modes such as photovoltaic and wind power, and the like, and the presence of more and more alternating current-direct current mixing equipment and systems, the power distribution system also has the tasks of stably supplying and guaranteeing the quality of electric energy.
In this embodiment, the energy storage system includes a container type energy storage system and a distributed outdoor cabinet energy storage system; the container type energy storage system comprises a battery module, an energy storage battery container, an inversion and boosting integrated machine system, a grid-connected access system, a secondary power distribution system, a computer monitoring system and an EMS energy management and control system; the battery module and the energy storage battery container are connected with the grid-connected access system through the inversion and boosting integrated machine system; the grid-connected access system is connected with the secondary power distribution system, and the grid-connected access system, the secondary power distribution system and the EMS energy management and control system are all connected with the computer monitoring system; the EMS energy management and control system is respectively connected with the battery module and the energy storage battery container and used for controlling the energy storage state of the battery.
The distributed outdoor cabinet energy storage system comprises a battery module, a thermal management system, a PCS system and a local control system; the battery module and the thermal management system are connected with the local control system through the PCS system.
The energy storage battery system in the park is matched with an energy storage system corresponding to proper electric quantity according to park load analysis and peak-valley electricity price evaluation, and the energy storage system comprises a large-sized container type energy storage system and a distributed outdoor cabinet energy storage system. The container type energy storage system comprises a battery module, an energy storage battery container, an inversion and boosting integrated machine system, a grid-connected access system, a secondary power distribution system, a computer monitoring system and an EMS energy management and control system; the distributed outdoor cabinet energy storage system comprises a battery module, a thermal management system, a PCS system and a local control system.
In this embodiment, the comprehensive energy management and control performs information interaction with the conference room system, the central air conditioning system, the charging pile system and the park lighting system respectively.
The central air conditioning system comprises a water chilling unit, a heat pump, a cold and hot water circulating system, a cooling water circulating system and terminal air treatment equipment. The central air conditioning system is arranged in the office building of the park, provides proper temperature for the office area, is concentrated in an air conditioning machine room, and consists of a water chilling unit, a heat pump, a cold and hot water circulating system, a cooling water circulating system and tail end air treatment equipment, such as an air treatment unit, a fan coil and the like.
The conference room system comprises a curtain control system, a display screen control system, a central air-conditioning control system and an intelligent light control system. And the central air conditioner control system performs information interaction on the curtain control system, the display screen control system and the intelligent light control system in the conference room. The intelligent control, energy conservation and emission reduction of the equipment in the conference room are realized by analyzing the data and controlling the illumination intensity, the air-conditioning temperature and the like of the conference room according to the software preset value.
The central air conditioning system is connected with the central air conditioning control system, the central air conditioning control system comprises a multi-connected air conditioner centralized control system, the multi-connected air conditioner centralized control system is in communication connection with the comprehensive energy management and control system through a plurality of gateways, and communication protocols supported by the gateways comprise Modbus protocol and IMMPRO system Bacnet protocol. And the central air-conditioning control system contains energy-saving control software.
The charging pile system comprises an alternating current/direct current charging pile, a concentrator, a Battery Management System (BMS) and a charging management service platform. The AC/DC charging pile and the concentrator use a CAN bus for data interaction, and the concentrator, the battery management system and the charging management service platform use a wired internet or a wireless GPRS network for data interaction.
Examples: as shown in fig. 1 to 4, the configuration of the zero-carbon smart park in this embodiment includes: renewable resources photovoltaic power generation system, electrochemical energy storage power station system, park charging pile system, load side central air conditioning intelligent management and control system, intelligent conference room, and park comprehensive energy management and control system.
The energy system of a park is generally divided into three parts: energy supply, energy distribution and energy use. The energy supply means energy used for meeting the energy consumption requirement of the park, the renewable energy which is commonly used and easily realized in the park is solar energy, and the photovoltaic power generation system is utilized for providing clean energy for the park and is used as an electric auxiliary system; the energy distribution refers to reasonable distribution of power distribution systems in the aspect of park power, generally comprises a primary power distribution system, a secondary power distribution system, AC/DC equipment, an energy storage system, a comprehensive energy management and control system and the like, and has the characteristic that the access of clean energy is unstable. Energy usage refers to the load side energy equipment of the campus, and is the primary energy consumption producer of the campus.
As shown in fig. 1, a typical campus networking architecture configuration includes: photovoltaic power generation system, energy storage battery system, garden illumination, central air conditioning management and control, intelligent meeting room, fill electric pile system and comprehensive energy management system. The park photovoltaic power generation system is directly integrated into a 400V power distribution network of the park in a low-voltage grid-connected mode, is directly used for the load at the lower end of an alternating current 400V bus, is self-powered, and is used for surfing the Internet by surplus electricity, so that the light rejection phenomenon is reduced. The construction capacity of the park energy storage power station is configured according to actual power load and future predicted newly-increased load, and can adopt two forms of high-voltage grid connection and low-voltage grid connection, and an access scheme is formulated according to requirements. The park illumination, the charging pile, the central air conditioner and the like are all loads with larger park energy consumption, the loads are uniformly connected to the comprehensive energy management and control platform, and the energy distribution strategy is formulated through the background uniform monitoring. The renewable energy source is preferentially used, then the energy storage is realized in the application scene of the park by utilizing the peak clipping and valley filling strategy, the economic benefit is maximized, and the peak valley arbitrage is adopted to save the electricity cost for the park by combining the characteristics of local peak valley price difference, so that certain economic benefit is brought. The comprehensive energy management and control system monitors the photovoltaic side power generation, residual electricity energy storage and load side power utilization conditions of the park, and intelligent equipment information such as access control and video monitoring is accessed, so that energy visibility, energy controllability and intellectualization are realized, and the management level is improved.
As shown in fig. 2, the charging pile system is composed of an ac/dc charging pile, a concentrator, a Battery Management System (BMS), and a charging management service platform. The Battery Management System (BMS) has a main function of monitoring the operating state of a battery (voltage, current and temperature of the battery), predicting the battery capacity (SOC) of a power battery and corresponding remaining driving range, and performing battery management to prevent overdischarge, overcharge, overheat and serious unbalance of voltage between unit batteries, thereby maximally utilizing the battery storage capacity and cycle life. And the charging management service platform is simultaneously accessed to the park comprehensive energy management and control platform and receives the unified management and control of the background.
As shown in fig. 3, the integrated energy management system directly establishes communication with IMMPRO systems of air conditioner manufacturers, and selects a gateway supporting Modbus protocol and IMMPRO system Bacnet protocol simultaneously; and configuring a certain number of gateways, modifying corresponding programs, establishing channels between the air conditioner system and the comprehensive energy management system, and realizing data monitoring and action instruction adjustment of the air conditioner.
As shown in fig. 4, an operation manner of implementing the intelligent conference room is implemented as follows: the information of each node of the conference room is sent to a WiFi controller through a serial port, a raspberry party system is built in the controller to be a data center, and the data information is transmitted to server software through the WiFi module. And the server software analyzes the user operation, transmits the user operation to the controller, processes data according to a communication protocol, and transmits the processed instruction information to the node for relay switch operation.
The invention aims at improving the economic benefit of electricity consumption and energy management, and builds a zero-carbon intelligent park by relying on an office park, an industrial park, a town district and the like. The method can achieve the target task of carbon-to-carbon neutralization while obtaining economic benefits, and has good social benefits.
The zero-carbon intelligent park is suitable for various parks and can be used as a technical reference for building a zero-carbon demonstration park.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A zero-carbon smart park energy system, comprising: an energy supply module, an energy distribution module and an energy utilization module;
The energy supply module comprises a primary energy system and a secondary energy system which meet the energy consumption requirements of various park scenes, and provides primary energy and/or secondary energy for the energy utilization module;
The energy distribution module comprises a power distribution system, alternating current and direct current equipment, an energy storage system, a reactive power compensation system and a comprehensive energy management and control system, and is connected with the energy supply module and used for providing control signals for the energy supply module so as to distribute energy for the energy utilization module;
the energy utilization module comprises a park lighting system, a central air conditioning system, a meeting room system and a charging pile system.
2. The zero-carbon smart park energy system of claim 1, wherein the primary energy system comprises a distributed energy system comprising photovoltaic power generation, wind power generation, and/or geothermal power generation; the secondary energy system includes a power grid and/or a campus power station.
3. The zero-carbon smart park energy system of claim 2, wherein the photovoltaic power generation device comprises a photovoltaic module, a photovoltaic inverter, a photovoltaic combiner box, a grid-connected access system, and a photovoltaic control system;
The photovoltaic module is connected with one end of a photovoltaic combiner box through a photovoltaic inverter, the other end of the photovoltaic combiner box is connected with a grid-connected access system, the grid-connected access system is connected with a photovoltaic control system, and the photovoltaic control system is used for controlling the photovoltaic module to access a power grid.
4. The zero-carbon intelligent park energy system of claim 2, wherein the photovoltaic power generation device is a building photovoltaic integrated photovoltaic tile, covered by a full roof.
5. The zero-carbon smart park energy system of claim 1, wherein the power distribution system comprises a primary power distribution system and a secondary power distribution system;
the primary power distribution system is connected with the primary energy system;
The secondary power distribution system is a relay protection system and is connected with the secondary energy system.
6. The zero-carbon smart park energy system of claim 1, wherein the energy storage system comprises a container-type energy storage system and a distributed outdoor cabinet energy storage system;
The container type energy storage system comprises a battery module, an energy storage battery container, an inversion and boosting integrated machine system, a grid-connected access system, a secondary power distribution system, a computer monitoring system and an EMS energy management and control system; the battery module and the energy storage battery container are connected with the grid-connected access system through the inversion and boosting integrated machine system; the grid-connected access system is connected with the secondary power distribution system, and the grid-connected access system, the secondary power distribution system and the EMS energy management and control system are all connected with the computer monitoring system; the EMS energy management and control system is respectively connected with the battery module and the energy storage battery container and used for controlling the energy storage state of the battery;
The distributed outdoor cabinet energy storage system comprises a battery module, a thermal management system, a PCS system and a local control system; the battery module and the thermal management system are connected with the local control system through the PCS system.
7. The zero-carbon intelligent campus energy system of claim 1, wherein the integrated energy management and control is in information interaction with the conference room system, the central air conditioning system, the charging pile system, and the campus lighting system, respectively.
8. The zero-carbon intelligent park energy system of claim 7, wherein the conference room system comprises a curtain control system, a display screen control system, a central air conditioning control system, and an intelligent light control system;
The central air-conditioning control system performs information interaction on the window curtain control system, the display screen control system and the intelligent light control system;
according to the preset value, the illumination intensity and the air-conditioning temperature of the conference room are controlled, and intelligent control, energy conservation and emission reduction of the equipment in the conference room are realized.
9. The energy system of the zero-carbon intelligent park according to claim 8, wherein the central air conditioning system is connected with the central air conditioning control system, the central air conditioning control system comprises a multi-online centralized control system, the multi-online centralized control system is in communication connection with the comprehensive energy management and control system through a plurality of gateways, and the communication protocols supported by the gateways comprise Modbus protocol and IMMPRO system Bacnet protocol.
10. The zero-carbon intelligent park energy system of claim 7, wherein the charging pile system comprises an alternating-current/direct-current charging pile, a concentrator, a battery management system and a charging management service platform; the AC/DC charging pile and the concentrator use a CAN bus for data interaction, and the concentrator, the battery management system and the charging management service platform use a wired internet or a wireless GPRS network for data interaction.
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