CN117239909A - Prefabricated cabin type comprehensive energy digital station system - Google Patents
Prefabricated cabin type comprehensive energy digital station system Download PDFInfo
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Abstract
The invention relates to a prefabricated cabin type comprehensive energy digital station system which comprises a prefabricated cabin, wherein an IT cabinet, a storage integrated machine, a power distribution system, a temperature control system, an intelligent monitoring system and an energy management system are integrated in the prefabricated cabin; the IT cabinets are distributed in two rows in the prefabricated cabin, and the storage all-in-one machine utilizes an intelligent monitoring system and an energy management system to acquire signals, monitor and analyze energy management of the IT cabinets; the temperature control system adjusts the environmental temperature in the prefabricated cabin; the power distribution system comprises a power distribution unit which supplies power for the IT cabinet and the storage integrated machine. The prefabricated cabin type comprehensive energy digital station system provided in the technical scheme adopts a modular component combination mode, and can be put into operation only after on-site assembly and debugging are completed, so that convenience and rapidness in construction are realized. The method effectively solves the problems caused by the energy consumption, the integration of data center infrastructure and the follow-up diagnosis and operation and maintenance in the background technology.
Description
Technical Field
The invention relates to the field of edge computing service and energy storage, in particular to a prefabricated cabin type comprehensive energy digital station system.
Background
The prefabricated cabin is an important embodiment of new technology, new materials and new equipment applied to intelligent substations, and consists of prefabricated cabin bodies, secondary equipment screen cabinets (or racks), cabin body auxiliary facilities and the like, and the prefabricated cabin is used for completing the works of manufacturing, assembling, wiring, debugging and the like in a factory, is integrally transported to an engineering site and is positioned on an installation foundation.
With the advent of the digitization age, more and more applications are pressing the need for high performance edge computing. The centralized business and construction modes of the traditional data center are greatly impacted, and the main expression is as follows: 1. challenges to engineering construction modes and dynamic business requirements; 2. cost factor challenges in planning design and construction; 3. challenges of overall energy conservation, consumption reduction and operation cost; 4. conventional data center infrastructure integration and subsequent diagnostics and operation and maintenance present challenges.
Therefore, there is a need to design a new prefabricated cabin type comprehensive energy digital station for high-performance edge computing services closer to the end user to comprehensively solve the above problems.
Disclosure of Invention
The invention aims to provide a prefabricated cabin type comprehensive energy digital station system which can effectively solve the problems of energy consumption, data center infrastructure integration and subsequent diagnosis and operation and maintenance related in the background technology.
In order to solve the technical problems, the invention adopts the following technical scheme:
a prefabricated cabin type comprehensive energy digital station system comprises a prefabricated cabin, wherein an IT cabinet, a storage integrated machine, a power distribution system, a temperature control system, an intelligent monitoring system and an energy management system are integrated in the prefabricated cabin;
the IT cabinets are distributed in two rows in the prefabricated cabin, and the storage all-in-one machine utilizes an intelligent monitoring system and an energy management system to acquire signals, monitor and analyze energy management of the IT cabinets; the temperature control system adjusts the environmental temperature in the prefabricated cabin; the power distribution system comprises a power distribution unit which supplies power for the IT cabinet and the storage integrated machine.
The storage integrated machine adopts a battery management system for monitoring the voltage of an embedded full-single battery cell of the lithium iron phosphate energy storage battery; the storage integrated machine comprises a battery compartment, an equipment compartment and a control system, wherein the battery compartment comprises single battery cells, a battery module and a battery frame, the single battery cells are integrated in the battery module, and the single battery cells of a common battery cluster are connected in series; the equipment cabin comprises a temperature control system, an energy management unit, a high-voltage box, an energy storage converter, a fire-fighting host, a control circuit and an input/output circuit; the control system comprises a battery cell monitoring and two-stage cutting-off safety control system.
The storage all-in-one machine comprises the following three working modes:
off-grid mode: off-grid black start is carried out under the condition of no external alternating current power supply, and the support load is started off-line for debugging operation;
grid-connected electricity-protection switching mode: after the mains supply of the power grid is connected, the storage integrated machine system enters a grid-connected mode, loads are started to operate, the mains supply of the power grid is powered down or the power grid is abnormal in operation, and the energy storage integrated machine is automatically switched to off-grid power supply;
peak Gu Taoli mode: after the mains supply of the power grid is inserted, the storage all-in-one machine is controlled to charge at night and discharge at daytime peak time by controlling a charge and discharge instruction.
The prefabricated cabin type comprehensive energy digital station is provided with an aggregation gateway, and the aggregation gateway is used for intensively monitoring and managing the running states of power distribution equipment, a storage all-in-one machine, an air conditioner, an intelligent access control device and video monitoring equipment in the comprehensive energy digital station and collecting environmental quantity and switching value signals.
The fire control system is further arranged in the prefabricated cabin, integrates automatic fire detection and fire extinguishing, adopts a quick response detection unit to realize second-level response of fire, displays alarm, fire alarm, spraying and working state signals, is started by a non-electromagnetic valve, and isolates electromagnetic interference.
The fire-fighting system comprises a heptafluoropropane fire-fighting device, a smoke sensor and a temperature sensor are arranged in the comprehensive energy digital station system, and when the smoke sensor and/or the temperature sensor detect fire signals, the heptafluoropropane fire-fighting device releases heptafluoropropane gas to extinguish fire.
The further scheme is that the IT cabinet adopts a front air supply and rear air return refrigeration mode.
The comprehensive energy digital station system further comprises a lightning protection grounding system, wherein the lightning protection grounding system comprises a C-level surge protector arranged in the prefabricated cabin power distribution cabinet and used for protecting the power distribution system.
In a further scheme, the cabin top cover of the prefabricated cabin is detachable, and the detached top of the prefabricated cabin meets the hoisting requirements of various devices.
The prefabricated cabin type comprehensive energy digital station system provided in the technical scheme adopts a modular component combination mode, and can be put into operation only after on-site assembly and debugging are completed, so that convenience and rapidness in construction are realized. The method has the advantages that the concept of standardization, modularization and easy expansion is inherited, the construction mode of the traditional data center is creatively changed, engineering construction is changed into factory manufacturing, and the construction efficiency is greatly improved; meanwhile, the method can quickly respond to the dynamic service demand, reduce the construction cost and save the construction time.
The prefabricated cabin is divided into main modules such as a cabinet, power supply, power distribution, temperature control and energy management, and the like, and unified standard design can be carried out according to the unified standards of the scale, power and configuration of each main module during planning and construction; the power of each cabinet of the traditional data center is usually about 1-4 kW, and the power of each cabinet of the integrated cabinet scheme can be designed to be 20kW or even higher, so that the trend of high density is met; the 'high density' design can greatly save land cost and civil engineering cost, and compared with the traditional data center, the integrated cabinet scheme can save 50% of land occupation area and save more than 30% of total cost.
The traditional data center adopting cabin-level precise air conditioning and under-raised floor air supply cannot provide cooling capacity of more than 4kW for a single cabinet; in a conventional machine room without raised floors, the cooling capacity for a single cabinet is lower. The device is compatible with the design requirements of low, medium and high power density, adopts a rack-level refrigeration system, adopts a channel isolation technology, suppresses air flow, avoids the phenomenon of mixing cold air flow and hot air flow, is beneficial to improving the efficiency of air flow organization of the refrigeration system, and simultaneously adopts a dynamic natural cooling technology to realize the aims of integral energy-saving operation and reduction of operation cost.
The method can meet the customization according to different service scales, service requirements and application scenes. Meanwhile, the method can be accompanied with business development, gradually carry out upgrading and capacity expansion, finally realize the expansion of the whole scale and meet the requirement of later informatization development.
The physical infrastructure construction stage of the traditional data center is to perform demand type selection and custom design on different components from different suppliers and combine the components into a unique large infrastructure system on the project site. The original infrastructure of thousands of traditional machine rooms presents complexity and inconsistency; such inconsistencies result in data centers requiring unique diagnostics and maintenance, which is time consuming and lacks referential significance for other data centers in the same hierarchy; after planning and designing the prefabricated cabin according to the unified standard, factory pre-production and factory pre-debugging are carried out, and a plurality of put-in and put-out projects prove that the prefabricated cabin is very stable and very reliable, and even if faults occur, the prefabricated cabin is easy to diagnose, so that the maintenance cost is reduced.
Drawings
FIG. 1 is a schematic diagram of a peak shaving mode of a storage all-in-one machine according to the present invention;
FIG. 2 is a schematic diagram of a power conservation mode of the storage all-in-one machine of the present invention;
FIG. 3 is an electrical schematic diagram of the prefabricated interior of the present invention;
FIG. 4 is a logic diagram of the activation of the fire emergency and extinguishing system of the present invention;
FIG. 5 is a diagram of a prefabricated cabin type integrated energy digital station system layout according to the present invention.
Detailed Description
The present invention will be specifically described with reference to examples below in order to make the objects and advantages of the present invention more apparent. It should be understood that the following text is intended to describe only one or more specific embodiments of the invention and does not limit the scope of the invention strictly as claimed.
Example 1
The technical scheme adopted by the invention is as shown in figures 1-5, and the prefabricated cabin type comprehensive energy digital station system mainly comprises an IT cabinet, a storage integrated machine, a distribution box, a temperature control system, an intelligent monitoring system and an energy management system.
Specifically, a double-row arrangement scheme is adopted to design that the power consumption of a single rack is calculated according to 4kW, the number of IT cabinets in a double-train operation scene is 8, the IT cabinets are 19 inch standard cabinets, the cabinet depth is 1200mm, and a cabinet cooling mode adopts a front air supply and rear air return refrigeration mode. And 1 storage integrated machine is configured to replace the traditional UPS, so that the functions of off-grid power supply, grid-connected power conservation, peak clipping and valley filling, electric energy management and the like are switched. The power distribution system with double parking spaces is provided with 1 set of 140kW power distribution units, and the power distribution units are placed in a power distribution box of the prefabricated cabin to supply power for the cabinet and the storage all-in-one machine; the double-parking-space scheme adopts 2 precise air conditioners of 16kW, is constant in temperature and humidity, and supplies air in the front side and is provided with an outdoor unit; the system is provided with a set of aggregation gateway for centralized monitoring and managing the running state of intelligent equipment of the data center and collecting environmental quantity and switching value signals; and the storage all-in-one machine has the functions of signal acquisition, monitoring and related energy management and analysis, and provides edge calculation service for platform systems such as virtual power plants.
Prefabricated cabin body structural design
(1) The prefabricated cabin body ensures sufficient mechanical strength and rigidity. The crane is free from deformation or damage during lifting, transportation and installation, and the equipment in the cabin is free from being influenced by lifting transportation; has good anti-seismic performance and wind resistance.
The prefabricated cabin body underframe is formed by welding profile steel, the cabin body framework is of a welded integrated structure, the framework main body structure adopts a profile steel or thin-wall cold-formed profile steel structure, the thickness of a steel plate is not less than 2mm, the yield strength is not less than 235MPa, the prefabricated cabin body underframe has enough mechanical strength and rigidity, and can not deform during lifting, transportation and installation, and the prefabricated cabin body underframe can withstand the following loads and impacts;
top load: minimum value of 2500N/m 2 (upright or other load);
external mechanical impact on panels, doors and vents: the impact energy of an external mechanical impact is 20J, corresponding to IK10 of the protection class GB/T20138.
b. The prefabricated cabin reaches the heat preservation effect, guarantees the sufficient mechanical strength of cabin body, connects through punching press slotted hole spot welding between inside and outside steel sheet, inside lining shaped steel, sets up independent support, and the three-dimensional structure designs sufficient bearing structure according to bearing calculation.
(2) The whole protection level of the prefabricated cabin is not lower than IP55 (more than IP43 of the ventilation structure), and the prefabricated cabin has the effects of dust prevention, moisture prevention and condensation prevention.
The prefabricated cabin ensures good sealing performance, the cabin body is sealed by adopting a silicon rubber or ethylene-propylene-diene monomer sealing strip, the wire inlet and outlet cable holes are treated by adopting a knock-out hole matched with a sealing rubber ring or a sealing piece, the service life of the sealing material is longer than 5 years, and a reasonable replacement scheme is formulated; the protection level of the spliced part of the cabin body is not lower than that of the IP54, a mechanical structure is adopted as a main part, and a sealing material is adopted as an auxiliary protection mode, so that the cabin body is not protected by a sealing material alone.
(3) The prefabricated cabin has good corrosion resistance, and can not be corroded for 40 years under the condition of regular maintenance of the cabin body, and other cabin body accessories can reach the same service life level.
Corrosion protection of steel structures following GB/T30790.1-2014 section 1 for the protection of coloured paints and varnishes systems: general rule, GB/T30790.4-2014 anticorrosive protection of Steel structures by the protective paint System of colored paint and varnish part 4: the surface type and surface treatment standard adopts a plurality of corrosion prevention processes, including pretreatment, zinc layer, middle layer, surface layer and other multiple treatment processes, so that the corrosion prevention period of the cabin body sprayed at one time in a C3 environment is not less than 15 years, and the corrosion prevention period is not less than 40 years after regular maintenance.
a. Before the surface coating of the steel material, a surface pretreatment is necessary. Before pretreatment, the work of removing the residues, such as deburring, sharp corner chamfering and the like, is finished firstly, the sharp edges and the cutting edges are polished until R is more than or equal to 2mm, all welding spatters and welding slag are removed, and the undercut is polished.
b. Before coating, the surface of steel is required to be subjected to sand blasting and rust removal. When the first coating is anticorrosive paint, the surface rust removal grade should reach Sa2.5 grade, the average roughness should reach 50-80 mu m, and the requirements of 'rust removal grade and rust prevention grade of steel surface before coating' (GB 8923-88) are met; when the first coating is hot dip galvanizing or hot spraying zinc, the rust removing grade of the steel surface should reach Sa3 grade, and the average roughness should reach 50-100 μm.
c. After coating, the dry film thickness of the coating was measured according to the method specified in "film thickness measurement method" (GB/T13452.2-2008). The dry film thickness should be greater than or equal to the design thickness value and account for more than 90% of the total number of detection points, and the dry film thickness of other detection points is not less than 90% of the design thickness value, and when the requirements are not met, local or comprehensive repair is carried out according to the situation.
(4) The prefabricated cabin has good heat insulation performance, and the temperature difference in the cabin body is ensured not to float in a large range due to the temperature change of the external environment.
The embodiment adopts a multi-layer composite heat-insulating structure by using heat-insulating measures and processes of a refrigerator, wherein heat-insulating materials are permitted by the construction part of the inner filler, so that the heat insulation and fireproof performance of the whole prefabricated cabin are ensured, an environment-friendly fireproof decoration layer is added, the thickness of the wallboard is not less than 120mm, and the heat-insulating effect is ensured. The heat conduction coefficient of the heat insulation material is not more than 0.04W/(m.K).
(5) The prefabricated cabin is not easy to accumulate dust and water, the top cover of the cabin body has obvious water scattering gradient, the water scattering gradient is not less than 5%, and the edge of the top cover is provided with a water dripping edge to prevent rainwater from flowing back into the cabin body.
(6) The ventilation of the prefabricated cabin meets the requirements of DL/T5035-2019 'heating ventilation and air conditioning design technical regulations of thermal power plants'. When forced ventilation is adopted, the fan needs to be an axial flow fan with long service life and no maintenance; the number of fans meets the exhaust requirement, the exhaust is subjected to multiple dustproof treatments, and the dustproof net is convenient to assemble, disassemble and clean; and the exhaust part is provided with a blast gate and other structures, so that the integral protection level of the cabin body is ensured.
(7) And (5) performing prefabricated cabin environmental assessment: the electromagnetic shielding, silencing and noise reducing device has good electromagnetic shielding, silencing and noise reducing functions, and the shell structure of the prefabricated cabin body is reasonably designed according to the performance parameters of internal equipment, so that the prefabricated cabin meets the standard requirements of GB12348-2008 environmental noise emission Standard of industry enterprises factory, GB8702-2014 electromagnetic environmental control Limit and the like. Under the condition of equipment operation, the noise outside the prefabricated cabin is not more than 55dB, the electric field intensity is less than 4kV/m, and the magnetic field intensity is less than 100 mu T.
(8) Fireproof for prefabricated cabins: the cabin wall plate with fireproof requirement and the cabin door adopt measures such as external spraying fireproof paint or adding fireproof materials to ensure that the minimum performance level is fireproof for more than 3 hours when internal or external fires occur, and the cabin shell has integrity and fireproof performance within 3 hours. The smoke exhaust design of the prefabricated cabin meets the specification of the current national standard GB50016 building design fire protection Specification, and a mechanical smoke exhaust device is arranged; and when fire disaster occurs, the air supply and exhaust system and the air conditioning system can automatically stop running.
(9) Operation, maintenance and overhaul of the prefabricated cabin body: for convenient prefabricated cabin inside equipment overhauls, possess the inside equipment and shift out the condition alone when prefabricated cabin designs, inside equipment can conveniently shift to outside the cabin, possesses the function of equipment overall replacement. The cabin body top cover is of a detachable design, the lifting requirement is met after the cabin body top cover is detached, meanwhile, the cabin body top cover can be detached and assembled, and the anti-seepage measure is met to ensure reliable sealing of the lamination part.
Integrated power distribution design
The voltage fluctuation range of the independent power distribution system is less than or equal to 4%, the frequency fluctuation range is less than or equal to +/-0.1 Hz, and the waveform distortion rate is less than or equal to 2%. The IT equipment power consumption and the air conditioner power consumption are respectively and independently supplied with power.
The distribution box scheme mainly comprises an incoming and outgoing line of a power supply, a switch, a distribution box, a power socket, illumination and the like. The block terminal hangs on prefabricated cabin on-wall, can realize intelligent accurate distribution, and the commercial power distributes equipment such as integrative rack of deposit and air conditioner through distribution switch, distribution cable.
The single bus structure is adopted, and the switch capacity and the number are as follows:
the total power is 140kW, the total distribution switch 250A, the storage all-in-one control switch 160A, the air conditioner and reservation: 3 x 32a/2p, pdu (power distribution terminal) and reservation: 20 x 32a/2P, monitoring and emergency ventilation: 1 x 10A/1P, a C-stage lightning protection module (with a 32A/4P switch), main circuit electric energy detection, an RS485 monitoring interface and a DC12V output interface.
Storage all-in-one machine design
The embodiment adopts a 100kW/200kWh storage integrated machine to replace the traditional UPS uninterrupted power supply, adopts a built-in full-single-cell voltage monitoring BMS (battery management system) of the lithium iron phosphate energy storage battery, and adopts a liquid cooling thermal management technology. The system integrates power-preserving seamless switching equipment and bi-directional dual-mode controlled voltage source PCS (energy storage converter) equipment, provides high-quality voltage-stabilizing and current-stabilizing power output through reasonable structural design and electrical connection, and realizes functional switching of off-grid power supply, grid-connected power-preserving, peak clipping and valley filling, voltage management, black start and the like. The total capacity of the storage all-in-one machine of the embodiment is 200kWh, and the rated output power is 100kW. The ac output is three-phase four-wire, ac voltage 380VAC.
System parameters of storage all-in-one machine
The storage all-in-one machine is composed of a battery compartment, an equipment compartment and a corresponding control system.
And (3) a battery compartment: the battery PACK comprises single battery cells, a battery module and a battery frame, wherein the battery cells are integrated in each PACK (battery PACK), and the battery capacity is not lower than 200kWh when the battery cells of the same battery cluster are connected in series.
Equipment compartment: the intelligent energy-saving control system comprises a temperature control system, an EMU (energy management unit), a high-voltage box (comprising a fuse, a BCMU (battery pack end control and management unit), a direct-current contactor and the like), an off-grid seamless switching PCS (energy storage converter) device, a fire-fighting host, a control circuit and an input-output circuit.
And (3) a control system: and the battery cell monitoring and two-stage cutting-off safety control system has a multi-scene analysis control function.
Information such as a storage integrated machine system BMS (battery management system), a PCS (energy storage converter), a fire protection system, a liquid cooling system and the like is required to be collected and controlled through an EMU (energy management unit). The lithium iron phosphate storage all-in-one machine is arranged in the limited space, so that the capacity of the all-in-one machine can be increased, and the dual requirements of electricity conservation and peak-valley electricity price difference income for a load system are realized:
as shown in fig. 1, the system is in peak shaving mode, and when the power grid is in valley period, the power is supplied to the load through the power grid, and meanwhile, the battery system of the integrated machine is reserved for charging. And when the power grid is in a peak period, the storage all-in-one battery system discharges to supply power to the load.
As shown in fig. 2, the system is in a power-preserving mode, when the power grid is abnormal or is powered off, the storage integrated machine is switched to an off-grid mode to independently supply power for the load, the battery energy storage is always in an on-line state, and when the power grid is powered off, the energy storage power supply realizes millisecond switching, so that the load is ensured not to be powered off.
The working modes of the storage all-in-one machine comprise the following three modes:
1. off-grid mode
Off-grid black start can be performed under the condition of no external alternating current power supply so as to support load off-line start debugging operation.
2. Grid-connected power-saving switching mode
After the mains supply of the power grid is connected, the storage integrated machine system enters a grid-connected mode (chargeable and dischargeable), the load starts to operate, the mains supply of the power grid is powered down or the power grid is abnormal in operation, and the energy storage integrated machine is automatically switched to off-grid power supply. And the switching time is not higher than 10ms, and the system automatically enters a grid-connected mode to operate after detecting that the mains supply of the power grid is recovered to be normal.
3. Peak Gu Taoli mode
After the mains supply of the power grid is inserted, the storage all-in-one machine is controlled to charge off-peak at night by controlling the charge and discharge instruction, and the effect of reducing the running cost by peak valley arbitrage is achieved by discharging during daytime peak.
In addition, the embodiment selects the high-heat-density type precise air conditioner as the cabin interior environment control, the air conditioner indoor unit is placed in the prefabricated cabin, and the cabinet and the cabin interior environment are directly cooled, so that precise equipment (such as communication equipment, computers and other equipment) is guaranteed to have a comfortable operation environment.
The illumination equipment adopts a white LED energy-saving lamp tube and a lamp shade (an explosion-proof lamp is adopted in a power supply prefabricated cabin), the LED energy-saving lamp tube and the lamp shade are evenly distributed on two sides of a frame, the illumination is not less than 300lx, an illumination cable is hidden, the attractive appearance and necessary maintainability are maintained, and an illumination switch is arranged at the position of an entrance door. The energy-saving high-power LED lamp tube is adopted, the service life is more than 50000 hours, no stroboscopic effect is generated, and the energy-saving high-power LED lamp tube is green and environment-friendly and has no pollution elements. The lamp body is made of high-quality metal materials, is designed in a layered mode and is attractive in appearance. The emergency lighting lamp automatically detects, and the emergency conversion speed is high; the high-brightness LED light source has long service life, low power consumption and good light condensation effect. As shown in fig. 3, a in fig. 3 is an electrical schematic diagram of the illumination lamp, b in fig. 3 is an electrical schematic diagram of the emergency illumination lamp, and c in fig. 3 is an electrical schematic diagram of the maintenance socket.
Fire-fighting emergency and fire-extinguishing system
Fire extinguishing mode: by adopting the configuration of the heptafluoropropane fire-fighting device, once a smoke sensor and a temperature sensor in the comprehensive energy digital station detect a high-temperature fire fault signal, a fire-fighting gas cylinder in a fire-fighting cabinet releases heptafluoropropane gas to extinguish the fire after a certain period of time. And a smoke detector and a temperature detector are arranged at the top of the prefabricated cabin, and gas fire extinguishing is started under the condition that the two detectors give an alarm.
The main functions are as follows: integrates automatic fire detection and fire extinguishing; the quick response detection unit is adopted, so that the second-level response of fire can be realized, and misoperation is avoided; the fire is extinguished by total submerged fire in the cabinet, and the spraying is completed within 8 seconds, so that the fire is extinguished rapidly; displaying alarm, fire alarm, spraying and working state signals; the system has the functions of alarming, fire alarming and outputting a spraying signal, and can feed back the signal to the aggregation gateway in real time; and the false alarm prevention function is realized, the electromagnetic valve is started, electromagnetic interference is effectively isolated, and the false spray risk is greatly reduced. The start-up logic is as in fig. 4.
Grounding system: comprehensive lightning protection is carried out on the comprehensive energy digital station, the prefabricated cabin body can be used as a lightning arrester, and a C-level surge protector is installed in the prefabricated cabin power distribution cabinet to reliably and effectively protect a power supply system. The lightning protection device meets the national standard requirements in the aspects of grounding, connection and the like.
Aggregation gateway design
In order to meet the requirements of the comprehensive energy digital station on intelligent equipment such as a storage integrated machine, an air conditioner and the like; the integrated management of environmental quantities such as temperature and humidity, smoke detection and the like, an access control system and a video monitoring system; meanwhile, the monitoring and energy management functions of the storage integrated machine and the micro-grid distributed energy storage are met.
The aggregation gateway is provided with intelligent equipment such as centralized monitoring and management digital comprehensive energy station distribution equipment, a storage integrated machine, an air conditioner, an intelligent access control, video monitoring and the like, and is used for collecting environmental quantity and switching value signals such as temperature, humidity, smog, water immersion, infrared, door magnetism and the like; and the storage all-in-one machine and the BMS (battery management system), PCS (energy storage converter), EMU (energy management unit), environment, liquid cooling, fire fighting and other equipment have signal acquisition, monitoring and related energy management analysis functions. The aggregate gateway technology parameters are shown in the following table.
Aggregating gateway technical parameters
Based on a distributed edge computing architecture, unified architecture design, software containerization and APP are adopted, and hardware is platform-formed and modularized. The system supports service functions to be realized and flexibly expanded in a software definition mode, realizes functions of equipment edge calculation and intelligent analysis, state monitoring, communication networking, service data on-site and cloud collaborative analysis processing, on-site analysis decision-making and the like, integrates services of a power system, an auxiliary environment system, an energy storage energy management system, a video monitoring system and the like, and realizes wider data integration.
The main technical parameters of the intelligent gateway are as follows:
an industrial multi-core processor is adopted, the main frequency is more than or equal to 2.1GHz, the RAM is more than or equal to 16GB and the FLASH is more than or equal to 256G;
support power line carrier, micropower wireless, carrier/micropower dual-mode communication, support Ethernet, RS485, RS232, double 4G wireless communication (wireless public network, wireless private network, public private integration) at the same time;
the universal interface is extended by the uplink and downlink modules, so that the universal interface is compatible with communication modules of different communication factories, and the communication modules can be replaced in an electrified manner;
hardware platformization, the uplink communication and the downlink communication are packaged in a replaceable communication module so as to adapt to the updating of the communication technology; unifying hardware interfaces and pin definitions, unifying hardware driving function interfaces for software, and realizing software and hardware decoupling;
software is subjected to APP, and the software is divided into a plurality of service APPs according to service functions, so that quick iteration and deployment of the software are facilitated; the service software is isolated from the operating system through a container technology, so that the safety of the system is improved; the quality of the service application APP is improved continuously through detection, release, installation, maintenance, full life cycle management and quality feedback of the APP during offline;
adopting a platform hardware design and an edge computing architecture to support in-situ data storage and decision analysis; the design standard of modularization, expandability, low power consumption and maintenance free is adopted, the method is suitable for complex operation environment, and has high reliability and stability;
and a unified system development environment is adopted to realize software and hardware decoupling. The terminal function is realized in an application software APP mode, so that the flexible and rapid development requirement of the service is met;
the system supports various acquisition modes such as real-time acquisition, timing acquisition, automatic reading and the like of the data of the electric energy meter, and various functions such as data recording, data statistics, event recording and the like of the electric energy meter, so as to meet the operation business requirements;
an edge computing device is adopted to integrate the services of a power system, an auxiliary environment system and a video monitoring system, so that wider data fusion is realized;
by adopting an independent AI intelligent subsystem, the access of a visual platform is realized, and the local AI intelligent analysis capability is greatly enhanced; the method has the advantages of dynamic, intelligent and auxiliary and video data local efficient fusion, and the local intelligent analysis and decision making capability of the edge computing equipment is improved.
Based on the prefabricated cabin as a carrier, the prefabricated cabin type comprehensive energy digital station is formed by integrating an IT cabinet, a storage integrated machine, a plurality of systems such as power distribution, air conditioning, local monitoring management, wiring, illumination, lightning protection grounding, fire protection, decoration and the like in a prefabricated cabin frame; the prefabricated type edge-side distributed computing power layout is adopted to meet the requirements of edge-side distributed computing power layout, and high reliability and low-delay computing power service of various edge computing power services are guaranteed. The novel storage integrated machine is adopted to replace the traditional UPS (uninterrupted power supply), high-quality power supply is provided, and meanwhile low-carbon green energy services such as grid-connected electricity conservation, peak clipping and valley filling, voltage management, black start and the like are realized.
While the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and it will be apparent to those skilled in the art that various equivalent changes and substitutions can be made therein without departing from the principles of the present invention, and such equivalent changes and substitutions should also be considered to be within the scope of the present invention.
Claims (9)
1. The utility model provides a prefabricated cabin formula comprehensive energy digital station system, includes prefabricated cabin, its characterized in that: the prefabricated cabin is internally integrated with an IT cabinet, a storage integrated machine, a power distribution system, a temperature control system, an intelligent monitoring system and an energy management system;
the IT cabinets are distributed in two rows in the prefabricated cabin, and the storage all-in-one machine utilizes an intelligent monitoring system and an energy management system to acquire signals, monitor and analyze energy management of the IT cabinets; the temperature control system adjusts the environmental temperature in the prefabricated cabin; the power distribution system comprises a power distribution unit which supplies power for the IT cabinet and the storage integrated machine.
2. The prefabricated cabin type integrated energy digital station system according to claim 1, wherein: the storage integrated machine adopts a battery management system for monitoring the voltage of an embedded full single battery cell of the lithium iron phosphate energy storage battery; the storage integrated machine comprises a battery compartment, an equipment compartment and a control system, wherein the battery compartment comprises single battery cells, a battery module and a battery frame, the single battery cells are integrated in the battery module, and the single battery cells of a common battery cluster are connected in series; the equipment cabin comprises a temperature control system, an energy management unit, a high-voltage box, an energy storage converter, a fire-fighting host, a control circuit and an input/output circuit; the control system comprises a battery cell monitoring and two-stage cutting-off safety control system.
3. The prefabricated pod integrated energy digital station system of claim 1, wherein the storage all-in-one comprises the following three modes of operation:
off-grid mode: off-grid black start is carried out under the condition of no external alternating current power supply, and the support load is started off-line for debugging operation;
grid-connected electricity-protection switching mode: after the mains supply of the power grid is connected, the storage integrated machine system enters a grid-connected mode, loads are started to operate, the mains supply of the power grid is powered down or the power grid is abnormal in operation, and the energy storage integrated machine is automatically switched to off-grid power supply;
peak Gu Taoli mode: after the mains supply of the power grid is inserted, the storage all-in-one machine is controlled to charge at night and discharge at daytime peak time by controlling a charge and discharge instruction.
4. The prefabricated cabin type integrated energy digital station system according to claim 1, wherein: the prefabricated cabin type comprehensive energy digital station is provided with an aggregation gateway, and the aggregation gateway is used for intensively monitoring and managing the running states of power distribution equipment, a storage integrated machine, an air conditioner, an intelligent access control and video monitoring equipment in the comprehensive energy digital station and collecting environmental quantity and switching value signals.
5. The prefabricated cabin type integrated energy digital station system according to claim 1, wherein: the fire control system is integrated with automatic fire detection and fire extinguishing, adopts a quick response detection unit to realize second-level response of fire, displays alarm, fire alarm, spraying and working state signals, and adopts a non-electromagnetic valve for starting to isolate electromagnetic interference.
6. The prefabricated cabin type integrated energy digital station system according to claim 5, wherein: the fire-fighting system comprises a heptafluoropropane fire-fighting device, a smoke sensor and a temperature sensor are arranged in the comprehensive energy digital station system, and when the smoke sensor and/or the temperature sensor detect fire signals, the heptafluoropropane fire-fighting device releases heptafluoropropane gas to extinguish fire.
7. The prefabricated cabin type integrated energy digital station system according to claim 1, wherein: the IT cabinet adopts a front air supply and rear air return refrigeration mode.
8. The prefabricated cabin type integrated energy digital station system according to claim 1, wherein: the cabin body top cover of the prefabricated cabin is detachable, and the detached top of the prefabricated cabin meets the hoisting requirements of various devices.
9. The prefabricated cabin type integrated energy digital station system according to claim 1, wherein: the comprehensive energy digital station system further comprises a lightning protection grounding system, wherein the lightning protection grounding system comprises a C-level surge protector arranged in the prefabricated cabin power distribution cabinet and used for protecting the power distribution system.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN119325219A (en) * | 2024-12-17 | 2025-01-17 | 福建时代星云科技有限公司 | Flexible liquid cooling control method and system for data center allocation and storage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN119325219A (en) * | 2024-12-17 | 2025-01-17 | 福建时代星云科技有限公司 | Flexible liquid cooling control method and system for data center allocation and storage |
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