CN216697331U - Multifunctional comprehensive energy station - Google Patents

Multifunctional comprehensive energy station Download PDF

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CN216697331U
CN216697331U CN202123041669.XU CN202123041669U CN216697331U CN 216697331 U CN216697331 U CN 216697331U CN 202123041669 U CN202123041669 U CN 202123041669U CN 216697331 U CN216697331 U CN 216697331U
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cold
energy storage
energy
station
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於仲义
陈焰华
金碧辉
雷建平
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CITIC General Institute of Architectural Design and Research Co Ltd
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CITIC General Institute of Architectural Design and Research Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin

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Abstract

The utility model relates to a multifunctional comprehensive energy station which comprises a transformer substation unit, a cold and hot station unit, an energy storage station unit, a charging station unit, a building photovoltaic power generation unit and a comprehensive service center unit, wherein all the units are deeply fused through energy pipeline connection, and comprehensive energy supply and service can be provided for users at the same time. The utility model integrates a plurality of energy units and service units deeply into an integrated comprehensive energy station, provides a one-station comprehensive energy solution integrating multiple functions of heat supply, cold supply, power supply, charging, energy storage, customer service, operation and maintenance and monitoring for users, realizes comprehensive utilization and energy efficiency improvement of energy, saves land area and reduces investment and operating cost.

Description

Multifunctional comprehensive energy station
Technical Field
The technology relates to the technical field of energy, in particular to a multifunctional energy station integrating electric power, heating power and energy storage.
Background
With the expansion of urban construction scale and the promotion of high-quality development, engineering projects are developed in large scale and multiple functions, energy requirements are large, the types are multiple (such as cold, heat, hot water, electric power and the like), and requirements for service time and load quality are greatly different. At present, in the face of this kind of multi-functional, multiple type demand and the demand of different load qualities, common solution needs to set up the energy device respectively according to various energy demands, often also need not use simultaneously for some equipment are idle extravagant. The mode not only occupies a large space, but also is unreasonable in layout and inconvenient to use, and can not be combined according to requirements to meet the requirements of various types of energy sources.
On the basis of a cold source station, a transformer substation, a charging station and distributed photovoltaic are added for expansion and extension, the fusion cooperation relationship of various energy infrastructures and system platforms can be reflected, meanwhile, energy storage facilities and a comprehensive service center can be increased, and the toughness, flexibility and controllability of the system are enhanced, so that the multi-station fusion, multi-station integration and multifunctional comprehensive integrated station is realized.
The multifunctional comprehensive energy station takes clean energy as a development trend, takes electric power and communication as a basis, and the mutual backup of energy structures is a necessary trend that the future energy is low-carbon, distributed and non-fossil dominant.
Disclosure of Invention
The utility model aims to provide a multifunctional comprehensive energy station based on an energy storage technology, which is reasonable in layout, comprehensively considers the respective arrangement characteristics and requirements of heat, cold, electricity and the like in an energy network, can simultaneously meet the requirements of power supply, cold supply, heat supply and domestic hot water supply, and can support external business expansion such as large data operation, energy finance, resource commercial operation and the like.
In order to realize the aim of the utility model, the utility model provides a multifunctional comprehensive energy station which mainly comprises a plurality of energy supply units and a comprehensive service center unit, wherein the units are connected and fused through energy pipelines.
The energy supply unit comprises a transformer substation unit, a cold and hot station unit, an energy storage station unit, a charging station unit and a building photovoltaic power generation unit;
the comprehensive service center unit comprises a customer service center and a management and control center.
The building photovoltaic power generation system comprises a transformer substation unit, a cold and hot station unit, an energy storage station unit, a charging station unit, a building photovoltaic power generation unit and a comprehensive service center unit, wherein the transformer substation unit is respectively connected with the charging station unit, the energy storage station unit, the cold and hot station unit and the comprehensive service center unit through energy pipelines, the charging station unit is respectively connected with the building photovoltaic power generation unit and the energy storage station unit through energy pipelines, the energy storage station unit is respectively connected with the building photovoltaic power generation unit, the comprehensive service center unit and the cold and hot station unit through energy pipelines, and the cold and hot station unit is connected with the comprehensive service center unit through energy pipelines.
The transformer substation unit is used for realizing alternating current and direct current conversion and voltage transformation and providing different high-voltage and low-voltage alternating currents and direct currents;
the cold and hot station unit is used for supplying cold, heat and domestic hot water, and the required water temperature is prepared by depending on available resources, building energy demand and economic and technical conditions;
the energy storage station unit is used for peak regulation energy storage in the valley period of the transformer substation unit, the building photovoltaic power generation unit and the cold and hot station unit, and emergency power supply in the power failure period of the transformer substation unit;
the charging station unit is used for charging surrounding vehicles and equipment;
the building photovoltaic power generation unit carries out photovoltaic power generation by installing photovoltaic modules on a building roof, a curtain wall and the surrounding open ground to provide direct current;
the customer service center has the functions of customer installation, customer service, repair, shipping inspection and the like;
the management and control center comprises functions of energy metering, scheduling, monitoring and the like.
The energy pipeline comprises a high-voltage alternating current circuit, a low-voltage alternating current circuit, a direct current circuit and a cold and heat thermal power transmission and distribution pipeline;
the high-voltage alternating current line is used for realizing the transmission of the high-voltage alternating current of the transformer substation unit to a cold and hot station unit or a peripheral high-voltage power user;
the low-voltage alternating current circuit is used for realizing the transmission of the low-voltage alternating current of the transformer substation unit to the comprehensive service center unit or peripheral low-voltage power users;
the direct current circuit is used for realizing the transmission of direct current generated by the substation unit through an alternating current/direct current converter and direct current generated by the building photovoltaic power generation unit to the energy storage station unit and the charging station unit, and is also used for transmitting the direct current stored by the energy storage station unit to the charging station unit;
and the cold and heat power transmission and distribution pipeline is used for realizing the transmission of cold and heat of the cold and heat station unit to the comprehensive service center unit, the energy storage station unit, the comprehensive service center unit or peripheral cooling and heating users. And the energy storage station unit is also used for conveying cold and heat stored in the energy storage station unit to the comprehensive service center unit and peripheral cold and heat supply users during load peak.
The energy storage station unit is positioned at the central position of the multifunctional comprehensive energy station, and comprises an electric energy storage system and a cold and hot energy storage system, and is used for storing electric energy from the transformer substation unit and the building photovoltaic power generation unit in the electricity utilization valley period and storing cold and heat from the cold and hot station unit in the cold and hot load valley period; the direct current output of the energy storage station unit is connected with the input of the charging station unit and provides direct current for the charging station unit, and the cold and heat energy storage output of the energy storage station unit is connected with the input of the comprehensive service center unit.
And the energy storage station unit supplies power or supplies cold and heat to the charging station unit and the comprehensive service center unit through the direct current line when the transformer substation unit is powered off, and is also used for supplying cold and heat to the comprehensive service center unit and peripheral cold and heat supply users through the cold and heat power transmission and distribution pipeline during a load peak.
The transformer substation unit is connected with an external high-voltage power grid, can directly output 10kV alternating current and comprises a transformer system and an alternating/direct current converter system;
the transformer system is respectively connected with the high-voltage 10kV alternating-current bus and the low-voltage alternating-current bus of the transformer substation unit and is used for realizing the conversion of the voltage grade between the high-voltage alternating current output by the transformer substation unit and the low-voltage alternating-current line; the high-voltage alternating current output, the low-voltage alternating current output and the direct current output of the transformer system are respectively connected with the charging station unit, the energy storage station unit and the comprehensive service center unit.
And the alternating current/direct current converter system is used for realizing alternating current/direct current conversion between the high-voltage alternating current output by the transformer substation unit and the direct current line.
The cold and hot station unit utilizes the high-voltage 10kV alternating current bus of the transformer substation unit to perform high-voltage refrigeration or heating, cold and hot water is provided for the energy storage station unit through a cold and hot heat distribution pipeline to perform cold and hot energy storage, and cold and heat supply service is provided for the comprehensive service center unit and peripheral users.
The building photovoltaic power generation unit provides direct current for the charging station unit and the energy storage station unit by utilizing photovoltaic direct current;
the comprehensive customer service center unit comprises a management and control center and a customer service center, the energy storage station unit and the cold and hot station unit are utilized to provide cooling and heating services through cold and hot thermal pipelines, and the transformer substation unit is utilized to use a low-voltage alternating-current power supply provided by a transformer system and a low-voltage alternating-current circuit according to functional requirements.
The utility model integrates a plurality of energy units and service units deeply into an integrated comprehensive energy station, provides a one-station comprehensive energy solution integrating multiple functions of heat supply, cold supply, power supply, charging, energy storage, customer service, operation and maintenance and monitoring for users, realizes comprehensive utilization and energy efficiency improvement of energy, saves land area and reduces investment and operating cost.
Drawings
Fig. 1 is a schematic structural diagram of a multifunctional integrated energy station according to an embodiment of the present invention.
Detailed Description
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings. The specific embodiments described herein are merely illustrative of the utility model and are not intended to be limiting.
The utility model provides a multifunctional comprehensive energy station based on an energy storage technology, which comprises a transformer substation unit, a cold and hot station unit, an energy storage station unit, a charging station unit, a building photovoltaic power generation unit and a comprehensive service center unit, wherein the transformer substation unit is respectively connected with the charging station unit, the energy storage station unit, the cold and hot station unit and the comprehensive service center unit through energy pipelines, the charging station unit is respectively connected with the building photovoltaic power generation unit and the energy storage station unit through energy pipelines, the energy storage station unit is respectively connected with the building photovoltaic power generation unit, the comprehensive service center unit and the cold and hot station unit through energy pipelines, and the cold and hot station unit is connected with the comprehensive service center unit through energy pipelines. Referring to fig. 1, an embodiment of the multifunctional integrated energy station of the present invention is disclosed, and in the present embodiment, the multifunctional integrated energy station includes a substation unit 10, a charging station unit 20, an energy storage station unit 30, a cold and hot station unit 40, a building photovoltaic power generation unit 50, an integrated service center unit 60, and a high-voltage ac line, a low-voltage ac line, a dc line, and a cold and hot thermal power transmission and distribution pipeline.
The substation unit 10 is connected to an external power grid, is connected to a high-voltage 10kV alternating-current bus 103 through voltage conversion, and includes a transformer system 101, an alternating-current/direct-current converter system 102, and the like. The transformer system 101 is connected to a high voltage 10kV ac bus 103 and a low voltage ac bus 105, respectively. The ac/dc converter system 102 is connected to the high voltage 10kV ac bus 103 and the dc line 104, respectively, to perform ac/dc conversion and voltage conversion, and provide different high and low voltage ac and dc power for the charging station unit 20, the energy storage station unit 30, the integrated service center unit 60, the peripheral high voltage power consumers 70 and the low voltage power consumers 80.
The charging station unit 20 is connected to the energy storage station unit 30 and the dc line, and charges the surrounding vehicles and devices 21 with the dc power supplied from the substation unit 10 through the ac/dc converter 102, the dc power supplied from the building photovoltaic power generation unit 50, and the dc power supplied from the energy storage station unit 30.
The energy storage station unit 30 is located at a central location of the multifunctional integrated energy station, and is connected to the charging station unit 20, the cold and hot station unit 40, the integrated service center 60 and the dc line, and stores electric power by using the dc power provided by the substation unit 10 through the ac/dc converter 102 and the dc power provided by the building photovoltaic power generation unit 50, and stores cold and hot energy by using the cold and hot water provided by the cold and hot station unit 40, thereby providing dc power for the charging station unit 20 and providing cooling and heating services for the integrated service center unit 60 and the peripheral users 90 during a peak load.
The cold and hot station unit 40 is connected with the substation unit 10, the energy storage station unit 30 and the comprehensive service center unit 60, high-voltage refrigeration and heating are performed by using a high-voltage 10kV alternating current bus of the substation unit 10, cold and hot water is provided for the energy storage station unit 30 through a cold and hot heat thermal power transmission and distribution pipeline to perform cold and hot energy storage, and cold and heat supply services are provided for the comprehensive service center unit 60 and peripheral users 90.
The building photovoltaic power generation unit 50 is connected to the direct current line 104, and performs photovoltaic power generation by installing photovoltaic modules on the building roof, curtain wall and surrounding air ground, so as to provide direct current for the charging station unit 20 and the energy storage station unit 30.
The comprehensive customer service center unit 60 is connected to the energy storage station unit 30, the cold and hot station unit 40, and the low-voltage ac line, and includes a management and control center 601 and a customer service center 602. The energy storage station unit 30 and the cold and hot station unit 40 provide cooling and heating services, and the low-voltage alternating-current power supply provided by the power station unit 10 through the transformer system 101 and the low-voltage alternating-current line is used according to functional requirements. The management and control center 601 performs energy metering, scheduling, monitoring and other operations on the substation unit 10, the charging station unit 20, the energy storage station unit 30, the cold and hot station unit 40, the building photovoltaic power generation unit 50 and the comprehensive service center unit 60. The customer service center 602 provides the peripheral users with the work of installation, customer service, repair, shipping and inspection.
When the multifunctional comprehensive energy station works under the normal load, the high-voltage 10kV alternating-current bus 103 of the transformer substation unit 10 can provide high-voltage direct current for the cold and hot station unit 40 and the peripheral high-voltage power users 70; providing low voltage dc power to the integrated service center unit 60 and the peripheral users 80 via the transformer system 101 and the low voltage ac line; the charging station unit 20 and the energy storage station unit 30 are supplied with low-voltage direct current via an ac/dc converter system 102 and a low-voltage direct current line 104. The charging station unit 20 charges the surrounding vehicles and equipment 21 with direct current on the direct current line 104. The energy storage station unit 30 stores electric energy using direct current on the direct current line 104, and stores cold (hot) water in the cold and hot station unit 40. The cold and hot station unit 40 supplies cold (hot) water, performs cooling and heating, and stores cold (hot) energy to the energy storage station unit 30, the integrated service center unit 60, and the peripheral users 90.
When the multifunctional integrated energy station is in peak load operation, on the basis of normal load operation, the energy storage station unit 30 is changed from the energy storage state to the energy release state to supply power to the charging station unit 20, supply power and cooling (heating) to the integrated service center unit 60, and supply cooling (heating) to the peripheral users 90.
When the multifunctional integrated energy station is in the substation unit outage state, the energy storage station unit 30 is changed from the energy storage state to the energy release state, and supplies power to the charging station unit 20, supplies power and cooling (heating) to the integrated service center unit 60, and supplies cooling (heating) to the peripheral users 90. When the building photovoltaic power generation unit 50 works, the power is supplied to the charging station unit 20 and the energy storage station unit 30.
The above embodiments are only preferred embodiments of the present invention, and not intended to limit the scope of the present invention, and all equivalent functional modifications made by the present invention in the specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (8)

1. The utility model provides a multi-functional comprehensive energy source station, its characterized in that, contain the transformer substation unit, cold and hot station unit, the energy storage station unit, the charging station unit, building photovoltaic power generation unit and comprehensive service center unit, the transformer substation unit is connected with the charging station unit through the energy pipeline respectively, the energy storage station unit, cold and hot station unit and comprehensive service center unit, the charging station unit is connected with building photovoltaic power generation unit and energy storage station unit through the energy pipeline respectively, the energy storage station unit is connected with building photovoltaic power generation unit, comprehensive service center unit and cold and hot station unit through the energy pipeline respectively, cold and hot station unit is connected with comprehensive service center unit through the energy pipeline.
2. The multifunctional integrated power station of claim 1, wherein the substation unit is configured to implement ac, dc conversion and voltage conversion, providing different high and low voltage ac and dc;
the cold and hot station unit is used for supplying cold, heat and domestic hot water, and the required water temperature is prepared by depending on available resources, building energy demand and economic and technical conditions;
the energy storage station unit is used for peak regulation energy storage in the valley period of the transformer substation unit, the building photovoltaic power generation unit and the cold and hot station unit, and emergency power supply in the power failure period of the transformer substation unit;
the charging station unit is used for charging surrounding vehicles and equipment;
the building photovoltaic power generation unit carries out photovoltaic power generation by installing photovoltaic modules on a building roof, a curtain wall and the surrounding open ground to provide direct current;
the comprehensive service center unit comprises a customer service center and a control center, wherein the customer service center has functions of customer installation, customer service, repair and operation and inspection, and the control center comprises functions of energy metering, dispatching and monitoring.
3. The multifunctional integrated energy station of claim 1, wherein said energy pipelines comprise high voltage ac lines, low voltage ac lines, dc lines, and cold heat distribution pipelines;
the high-voltage alternating current line is used for realizing the transmission of the high-voltage alternating current of the transformer substation unit to a cold and hot station unit or a peripheral high-voltage power user;
the low-voltage alternating current circuit is used for realizing the transmission of the low-voltage alternating current of the transformer substation unit to the comprehensive service center unit or peripheral low-voltage power users;
the direct current circuit is used for realizing the transmission of direct current generated by the substation unit through an alternating current/direct current converter and direct current generated by the building photovoltaic power generation unit to the energy storage station unit and the charging station unit, and is also used for transmitting the direct current stored by the energy storage station unit to the charging station unit;
the cold and heat power transmission and distribution pipeline is used for realizing the transmission of cold and heat of the cold and heat station unit to the comprehensive service center unit, the energy storage station unit, the comprehensive service center unit or peripheral cooling and heating users; and the energy storage station unit is also used for conveying cold and heat stored in the energy storage station unit to the comprehensive service center unit and peripheral cold and heat supply users during load peak.
4. The multifunctional integrated power station of claim 3, wherein the energy storage station units are located at a central location of the multifunctional integrated power station, and the energy storage station units comprise an electrical energy storage system and a cold and hot energy storage system for storing electrical energy from the substation units and the building photovoltaic power generation units during electricity use off-peak periods, and storing cold and heat from the cold and hot station units during cold and hot load off-peak periods; the direct current output of the energy storage station unit is connected with the input of the charging station unit and provides direct current for the charging station unit, and the cold and heat energy storage output of the energy storage station unit is connected with the input of the comprehensive service center unit;
and the energy storage station unit supplies power or supplies cold and heat to the charging station unit and the comprehensive service center unit through the direct current line when the transformer substation unit is powered off, and is also used for supplying cold and heat to the comprehensive service center unit and peripheral cold and heat supply users through the cold and heat power transmission and distribution pipeline during a load peak.
5. The multifunctional integrated energy station of claim 3, wherein the substation unit is connected to an external high voltage grid, directly outputting 10kV alternating current, and comprises a transformer system and an AC/DC converter system;
the transformer system is respectively connected with the high-voltage 10kV alternating-current bus and the low-voltage alternating-current bus of the transformer substation unit and is used for realizing the conversion of the voltage grade between the high-voltage alternating current output by the transformer substation unit and the low-voltage alternating-current line; the high-voltage alternating current output, the low-voltage alternating current output and the direct current output of the transformer system are respectively connected with the charging station unit, the energy storage station unit and the comprehensive service center unit;
and the alternating current/direct current converter system is used for realizing alternating current/direct current conversion between the high-voltage alternating current output by the transformer substation unit and the direct current line.
6. The multifunctional integrated energy station of claim 3, wherein the cold and hot station unit utilizes the high-voltage 10kV AC bus of the substation unit to perform high-voltage refrigeration or heating, cold and hot water is provided for the energy storage station unit through a cold and hot heat distribution pipeline to perform cold and hot energy storage, and cooling and heating services are provided for the integrated service center unit and peripheral users.
7. The multifunctional integrated power station of claim 3, wherein the building photovoltaic power generation unit utilizes photovoltaic direct current to provide direct current to the charging station unit and the energy storage station unit.
8. The multifunctional integrated energy station of claim 3, wherein the integrated customer service center unit comprises a management and control center and a customer service center, the energy storage station unit and the cold and hot station unit are used for providing cooling and heating services through cold and hot thermal pipelines, and the transformer substation unit is used according to functional requirements through a low-voltage alternating-current power supply provided by a transformer system and a low-voltage alternating-current line.
CN202123041669.XU 2021-12-06 2021-12-06 Multifunctional comprehensive energy station Active CN216697331U (en)

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Application Number Priority Date Filing Date Title
CN202123041669.XU CN216697331U (en) 2021-12-06 2021-12-06 Multifunctional comprehensive energy station

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Application Number Priority Date Filing Date Title
CN202123041669.XU CN216697331U (en) 2021-12-06 2021-12-06 Multifunctional comprehensive energy station

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CN216697331U true CN216697331U (en) 2022-06-07

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