• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention provides an apparatus for auditing summary utilization amount and extent of renewable energy from city buildings. It concerns the technical areas for renewable energies. The device has an information acquisition module, a database module, a calculation analysis module and a memory output module. The device acquires through the information acquisition module the data on e.g. e.g. type of building, allocation of energy supply systems, state of use of renewable energies, etc., and forms the database module with the information, e.g. The calculation analysis module calculates the total renewable energy usage amount by retrieving the information in the database module, and checks whether the practical total renewable energy usage amount satisfies a target amount requirement. Storage, export and visualization display of data related to the calculation result are realized by the memory output module. According to the invention, technical support is to be provided to scientifically and effectively develop plans for the comprehensive use of urban renewable energies.
    公开号:CH715283B1
    申请号:CH01033/19
    申请日:2019-08-16
    公开日:2022-01-14
    发明作者:Wang Jian；Wang Ying；Li Dongmei；Xu Xiaoyan；Xie Mengxiao；Li Chenyu
    申请人:Tongji Arch Design Group Co Ltd；
    IPC主号:
    专利说明:

    TECHNICAL PART
    The invention relates to the technical areas of renewable energy. In particular, it relates to an apparatus for checking summary use amount and extent of renewable energy from city buildings.
    STATE OF THE ART
    [0002] Renewable energy development is not only the core to promote energy transition and an important measure to cope with climate change in many countries, but also a revolution to promote energy production and energy consumption and an important measure to promote energy transition in China. Combination between renewable energy and buildings has become an inevitable trend in the development of energy-saving buildings. Renewable energy is an important way to replace conventional energy and adjust energy structure. Their applications are of great importance in promoting energy saving in buildings and improving the urban environment.
    "TESTING STANDARD OF RENEWABLE ENERGY APPLICATIONS FOR CIVIL BUILDINGS" in the prior art implemented in Zhejiang Province clearly states that public buildings should make full use of renewable energies such as solar energy, geothermal energy, air energy, etc , and also prescribes the calculation standard of the summary utilization rate of renewable energy. However, the calculation standard that enables the rapid development of renewable energy systems also brings many problems. The selection of parameters is irrational when examining the aggregate use quantity and extent of renewable energy. A practical current state of use of renewable energy from city buildings is not considered. There are doubts about the rationality of the amount of testing for renewable energy per unit building area. This leads to the fact that the calculated aggregate usage amount and extent of renewable energy from city buildings deviate from the practical ones. The result is inaccurate, and causes a corresponding renewable energy application system to exhibit poor performance after the construction thereof.
    CONTENT OF THE INVENTION
    The invention aims to solve at least one of the above technical problems.
    To this end, the present invention provides an apparatus for checking summary usage amount and extent of renewable energy from city buildings. The device can not only provide government departments with methods for formulating energy planning guidelines, but also provide building societies with a reference base of renewable energy allocation to overcome the above-described shortcomings of the prior art.
    An object of the invention can be achieved by the following technical solutions.
    An apparatus for examining summary use amount and extent of renewable energy from city buildings comprises the following modules: an information collection module, wherein collected information includes building type, construction area, building energy consumption, allocation of power supply systems, and use status of renewable energy; a database module, the database module including, in addition to the data from the information collection module, existing state and regional planning policies, meteorological parameters, annual summary energy consumption indices for the different building types, and energy savings amount for the renewable energies; a calculation analysis module that calculates the usage amount and the usage extent for the renewable energies by retrieving the information from the database through a verification method; and a storage output module configured to implement batch storage and export of the data, and to output results such as the summary renewable energy usage amount, the renewable energy usage amount, etc., and summary results of related information in the database module in a visualization manner.
    Preferably, a usage form adopted by the information acquisition module for the renewable energy includes hot water of solar power, solar photovoltaic, geothermal heat pump, etc., but except hot water of air heat pump.
    Preferably, the building type in the information gathering module includes two types of residential buildings and public buildings. The public buildings concern the types, such as office, cultural, educational, medical type, etc.
    In the annual summary energy consumption indexes for the buildings in the database module, an energy consumption index for the residential buildings according to energy consumption per unit area from the collected data and an energy consumption index for the public buildings according to recommended values in the respective local energy consumption guidelines are preferably defined.
    [0011] A method is further disclosed for checking summary usage amount and extent of renewable energy from city buildings, according to which the calculation analysis module comprises the following steps.
    In step s1, a test share Y for the renewable energies is statistically calculated by retrieving information from the database.
    In step s2, a check quantity E for the renewable energy and a summary usage target quantity QL for the renewable energy are calculated according to yearly summary energy consumption indices R for different building types.
    In step s3, a practical summary use amount QL1 for the renewable energy from the buildings is checked to see if a target amount requirement is met.
    In step s4, an existing type T and an existing amount Ao for the renewable energies are maintained when the target amount requirement has been met, and a type T and a minimum amount Amin for the renewable energies that meet the check target are to give if the target quantity requirement has not been met.
    The test portion Y for the renewable energies in step s1 is:Y×APV/PT+XGSHP×AGSHP=P,where APV/PT represents a ratio between a total construction area of projects using solar hot water systems and photovoltaic systems and a total construction area of all projects using the renewable energies, XGSHP represents an energy saving rate of geothermal heat pump systems, AGSHP represents a ratio between a total construction area of projects using geothermal heat pump systems and a total construction area of all projects using the renewable energies projects, and P represents a consumption rate that the conventional energies in civil buildings are replaced by the renewable energies from cities according to the state or regional planning policies.
    The test set E for the renewable energies in step s2 is:E=R×Y,where R represents an annual summary energy consumption index for different building types in the database module.
    The summarizing usage target quantity QL for the renewable energies from the buildings in step s2 is:QL=E×A,where A represents a total building area.
    The practical summary usage quantity QL1 for the renewable energy from the buildings in step s3 is:QL1=ΔQPT×APT+ΔQPV×APV+ΔQGSHP×WGSHP,where ΔQPT represents an annual amount of energy savings per unit area of thermal collectors in solar-powered hot water systems, ΔQPV represents an annual amount of energy savings per unit area of photovoltaic modules in solar-photovoltaic systems, ΔQGSHP represents an annual amount of energy-saved per unit area of nominal heat load in ground-source heat pump systems, APT represents an area of thermal collectors in solar-powered hot water systems, APV represents an area of photovoltaic modules in solar photovoltaic systems, and WGSHP nominal heat load of geothermal heat pump systems.
    The minimum extent Amin for the renewable energies in step s4 is:amine=QL/ΔQ,where the minimum extent Amin for the renewable energy includes one of -or a combination of- the area of thermal collectors in solar powered hot water systems, the area of photovoltaic modules in solar photovoltaic systems, or the rated heat load of geothermal heat pump systems, and ΔQ is an adopted annual amount of energy savings per unit extent in systems from the renewables energies, ie ΔQPT, ΔQPV, or ΔQGSHP.
    The annual amount of energy savings per unit area from the heat collectors in solar energy hot water systems ΔQPT is preferably calculated by the following formula:ΔQPT=Azj×JPT×ηPT×(1-ηL),where Azj represents a heat collection area of direct solar systems, JPT represents an annual total insolation amount on tilted light capturing surfaces from the heat collectors, ηPT represents an annual average heat collection efficiency from the heat collectors, and ηL represents a heat loss rate from water tanks and pipes.
    The annual energy saving amount per unit area by the photovoltaic modules in solar photovoltaic systems ΔQPV is calculated by a following formula:ΔQPV=ηPV×JPV,where ηPV represents a photoelectric conversion efficiency, and JPV represents an annual amount of solar radiation per unit area of the surfaces of the photovoltaic modules.
    The annual amount of energy saving in ground source heat pump systems ΔQGSHP corresponding to a nominal heat load unit is calculated by a following formula:ΔQGSHP= (QC/EERT+QH/ηT)-(QC/EERGSHP+QH/COPGSHP),where QC represents a cumulative cooling load in a cooling season and QH represents a cumulative heating load in a heating season. EERT represents an energy efficiency ratio of conventional refrigeration air conditioners. ηT represents an operation efficiency in the conventional energy sources serving as heat sources. EERGSHP represents a cooling performance coefficient of geothermal heat pump systems. COPGSHP represents a heating performance coefficient of geothermal heat pump systems.
    The memory output module preferably has the functions, such as batch storage, batch export, visualization display, etc., with respect to the results calculated by the calculation analysis module, such as the summary renewable energy usage amount, the renewable energy usage amount, etc. and the summary results of the related information in the database engine.
    The device for examining the summary. According to the present invention, the amount and extent of use of the renewable energy from city buildings is based on the practical use amount of the renewable energy from buildings, while those include the solar energy hot water systems, solar photovoltaic systems and ground source heat pump systems, but other than the air source heat pump hot water, which is not recognized as one kind of the renewable energies in some areas renewable energies that are generally recognized at home and abroad are taken into account. In addition, the methods and the theories for calculating the system efficiency and the amount of energy saving for the three renewable energies of solar hot water system, solar photovoltaic system and geothermal heat pump system are relatively mature.
    An index requirement of the consumption ratio that the conventional energies in civil buildings are replaced by the renewable energies from cities according to the state or regional planning policies, and a property that the energy saving rate of the geothermal heat pump systems is relatively high and stable in general are considered in the calculation taken into account in the summarizing amount of use for the renewable energies from city buildings. The examination amount for the renewable energy per unit building area obtained by the fact that the energy saving rate of solar hot water systems and solar photovoltaic systems serves as a target energy saving rate satisfying the total usage amount for the renewable energies, and the adoption of the examination energy saving rate can thus achieve the target of the total energy saving rate has rationality and scientific.
    It is advantageous for providing bases for building design and investment costs by determining the annual energy saving amount of photovoltaic systems and solar hot water systems respectively according to the areas of photovoltaic modules and heat collectors in the calculation of the extent for the renewable energy from city buildings. At the same time, it is understandable through the theoretical calculation and analysis related to annual energy of geothermal heat pump systems that the annual energy saving amount of geothermal heat pump systems for different types of buildings is only related to the nominal heat load. Thus, it is rational to set the annual energy saving amount of geothermal heat pump systems by the rated heat load as the required level of geothermal heat pumps. The nominal heat input can generally be determined at the beginning of a project to check whether the annual energy of geothermal heat pump systems meets the index.
    In summary, if the system for checking the summary usage amount and degree of the city-building renewable energy is adopted according to the present invention, the accuracy of the calculation of the summary usage amount and degree of the city-building renewable energy is to be increased. This can not only provide government departments with methods for formulating energy planning guidelines, but also provide building societies with a reference base for renewable energy allocation.
    DESCRIPTION OF FIGURES
    FIG. 1 is a schematic diagram illustrating a system for auditing summary utilization amount and extent of renewable energy from city buildings according to the present invention. FIG. 2 is a flow chart depicting a method for auditing summary usage quantity and extent of renewable energy from city buildings.
    DETAILED DESCRIPTION
    The invention is described in detail below with reference to the figures and specific embodiments. These embodiments are implemented on the premise of the technical solution of the present invention, and the specific implementation manner and operation method are given. However, the scope of the present invention is not limited to the following embodiments.
    FIG. 1 is a schematic diagram illustrating a system for auditing summary usage quantity and extent of renewable energy from city buildings according to an embodiment. The system comprises the following four modules: an information acquisition module 1, the information to be acquired comprising building type, construction area, building energy consumption, allocation of the energy supply systems and usage status of the renewable energies; a database module 2, the database module also including existing state and regional planning policies, meteorological parameters, yearly summary energy consumption indices for the different building types and energy saving amount for the renewable energies in addition to the data from the information gathering module; a calculation analysis module 3 that calculates the usage amount and usage amount for the renewable energy by retrieving the information from database through a checking method; and a storage output module 4 configured to realize batch storage and export of the data, and output results of the summary renewable energy usage amount, renewable energy usage amount, etc., and summary results of related information in the database module in a visualization manner.
    In one embodiment of the invention, the calculation of the aggregate usage quantity and extent for the renewable energy from the buildings in Shanghai will be done. This includes the following steps.
    According to the embodiment, information of 47 renewable energy buildings in Shanghai is acquired. The information includes basic information such as building type, construction area, etc., information such as hot water demand, hot water consumption, modules of solar energy hot water system, etc., information such as overview of electric cabins, power generation, electricity consumption, manufacturing costs, design drawings, modules of solar photovoltaic system, etc., and information such as e.g. test reports on thermal reactions of rocks, operational data, initial investment and maintenance costs, drawings of geothermal heat pump system cabins, etc.
    The collected information is uploaded to form a database of the renewable energy utilization status of the buildings in Shanghai with the data such as the existing state or regional planning policies, meteorological parameters, annual summary energy consumption indices for different types of buildings, etc. The building type includes the two types residential buildings and public buildings. The public buildings concern the eight building types of executive office buildings, commercial office complexes, star hotel buildings, large commercial buildings, medical city organizations, large public cultural institutions, college buildings, and large and medium-sized stadium buildings.
    FIG. 2 is a flow chart depicting a method for auditing summary usage quantity and extent of renewable energy from city buildings. The procedure includes the following steps.
    In step s1, a test share Y for the renewable energies is statistically calculated by retrieving information from the database.
    In step s2, a check amount E for the renewable energy and a total utilization target amount QL for the renewable energy are calculated according to annual total energy consumption indexes R for different building types.
    In step s3, a practical summary use amount QL1 for the renewable energy from the buildings is checked to see if a target amount requirement is met.
    In step s4, an existing type T and an existing amount Ao for the renewable energies are maintained when the target amount requirement has been met, and a type T and a minimum amount Amin for the renewable energies that meet the check target are to be output. if the target quantity requirement has not been met.
    The test portion Y for the renewable energies in step s1 is:Y×APV/PT+XGSHP×AGSHP=P,where APV/PT represents a ratio between a total construction area of projects using solar hot water systems and photovoltaic systems and a total construction area of all projects using the renewable energies, the value of which is 80%, XGSHP, the value of which is 15%, represents the energy saving rate of geothermal heat pump systems; AGSHP, the value of which is 20%, represents a ratio between a total construction area of projects using geothermal heat pump systems and a total construction area of all projects using the renewable energy; and P, the value of which is 6%, represents a consumption ratio that the conventional energies in civil buildings are replaced by renewable energies from cities according to the state or regional planning policies. Y can be calculated as 3.75%.
    The test quantity E for the renewable energies in step s2 is:E=R×Y
    Table 1 shows the testing amount of renewable energy for different building types. Residential buildings 4 executive office buildings 6 commercial office buildings 9 hotels 15 business department stores, shopping malls, supermarkets and warehouses, home appliance stores 15 restaurants 46 baths 34 medical buildings 19 public cultural institutions libraries 9 community cultural centers 4 museums use of air conditioning to be maintained at a constant temperature and humidity, building area ≥ 1/3, operating all year round 24, etc. 9 educational buildings 7 sports organizations arenas 2 gyms 4 swimming halls 10 gyms with training functions 9 gyms with training functions 25
    The summarizing usage target quantity QL for the renewable energies from the buildings in step s2 is:QL=E×A,where A represents a total building area in the database module.
    The practical summary usage quantity QL1 for the renewable energy from the buildings in step s3 is:QL1= ΔQPT×APT+ΔQPV×APV+ΔQGSHP×WGSHP,where ΔQPT represents an annual amount of energy savings per unit area of thermal collectors in solar-powered hot water systems, ΔQPV represents an annual amount of energy savings per unit area of photovoltaic modules in solar-photovoltaic systems, ΔQGSHP represents an annual amount of energy-saved per unit area of nominal heat load in ground-source heat pump systems, APT represents an area of thermal collectors in solar-powered hot water systems, APV represents an area of photovoltaic modules in solar photovoltaic systems, and WGSHP nominal heat load of geothermal heat pump systems.
    Table 2 provides an annual amount of energy savings for different renewable energy system types. Solar energy hot water systems 550 kWh/m<2>.am<2>based on the area of photothermal collectors Solar photovoltaic systems Crystalline silicon 350 kWh/m<2>.am<2>based on the area of photovoltaic modules Amorphous silicon 140 kWh/m< 2>.a geothermal heat pump system office building 400 kWh/kW. a kW is based on the nominal heat load of the geothermal heat pumpα Hotel buildings 1200 kWh/kW.a Commercial buildings 650 kWh/kW.a Medical buildings 650 kWh/kW.a Public. Cultural building 350 kWh/kW.a Educational building 400 kWh/kW. a sports building 650 kWh/kW.a
    The minimum extent Amin for the renewable energies in step s4 is:amine=QL/ΔQ,where the minimum extent Amin for the renewable energy includes one of -or a combination of- the area of thermal collectors in solar powered hot water systems, the area of photovoltaic modules in solar photovoltaic systems, or the rated heat load of geothermal heat pump systems, and ΔQ is an adopted annual amount of energy savings per unit extent in systems from the renewables energies, ie ΔQPT, ΔQPV, or ΔQGSHP.
    The annual energy saving amount per unit area by the heat collectors in solar energy hot water systems ΔQPT is preferably calculated by a following formula:ΔQPT=Azj×JPT×ηPT×(1-ηL),where Azj represents a heat collection area of direct solar systems, JPT represents an annual total solar radiation amount on tilted light-detection surfaces from the heat collectors, ηPT represents an annual average heat collection efficiency from the heat collectors, and ηL. represents a rate of heat loss from water tanks and pipes.
    The annual energy saving amount per unit area by the photovoltaic modules in solar photovoltaic systems ΔQPV is calculated by a following formula:ΔQPV=ηPV×JPV,where ηPV represents a photoelectric conversion efficiency, and JPV represents an annual amount of solar radiation per unit area of the surfaces of the photovoltaic modules.
    The annual amount of energy saving in ground source heat pump systems ΔQGSHP corresponding to a nominal heat load unit is calculated by a following formula:ΔQGSHPH= (QC/EERT+QH/ηT)—(QC/EERGSHP+QH/COPGSHP),where Qc represents a cumulative cooling load in a cooling season, and QH represents a cumulative heating load in a heating season. EERT represents an energy efficiency ratio of conventional refrigeration air conditioners. ηT represents an operation efficiency in the conventional energy sources serving as heat sources. EERGSHP represents a cooling performance coefficient of geothermal heat pump systems. COPGSHP represents a heating performance coefficient of geothermal heat pump systems.
    The total annual solar radiation amount JPT on the tilted light-sensing surfaces from a heat collector is preferably 5119MJ/m 2 ·a when the heat collector is mounted with a mounting angle of 30° and an azimuth facing south. The annual insolation amount Jpv is preferably 5119MJ/m<2>*a per unit area from a south-facing surface with an angle of 30°. The annual average heat collection efficiency ηPT of the heat collectors is preferably 50%. The heat loss rate ηL from water tanks and pipes is preferably 20%.
    Given below is a case study showing the method of examining summary usage amount and extent of the renewable energy from city buildings.
    Case Study 1: A Special Office Building In Shanghai
    The total construction area of the office building is about 68,000 m 2 , and the underground construction area is 27,000 m 2 . Three renewable energies of solar energy hot water system, solar photovoltaic system and geothermal heat pump are adopted.
    An area of the solar heat collectors is 200 m 2 , and a total installed power of the solar photovoltaic is 122 kW, where an area of the photovoltaic modules made of monocrystalline silicon is 462 m 2 , an area of the film modules made of amorphous silicon is 638 m<2>, a heating amount from the buried-pipe geothermal heat pumps is 2383 kW, where an auxiliary heat source is a boiler, and an auxiliary cooling source is a group of chilled water devices plus a cooling tower. 1) The summary usage target quantity for the renewable energies from the building QL:QL=E×A=68'000 m<2>×9kWh/(m<2>·a)= 612'000 kWh/a. 2) The practical summary use quantity for the renewable energy from the building QL1: QL1= ΔQPT×APT+ΔQPV×APV+ΔQGSHP×WGSHP= 462m<2>×350kWh/(m<2>·a)+638m<2>× 140kWh/(m<2> a)+200m<2>×550kWh/(m<2> a)+2383kW× 500kWh/(kW a)=1553'000 kWh/a. 3) The Renewable Energy Utilization Amount Verification: If the practical total renewable energy utilization amount of building QL1 is much larger than the target total renewable energy utilization amount of building QL, the renewable energy utilization amount verification requirement is met.
    权利要求:
    Claims (2)
    [1]
    1. A device for checking summary usage amount and extent of renewable energy from city buildings, characterized in that the device comprises:an information collection module configured to collect building type, building area, building energy consumption, allocation of power systems, and usage status of renewable energy;a database module, the database module including, in addition to data from the information collection module, existing state and regional planning policies, meteorological parameters, annual summary energy consumption indices for various building types, and an energy savings amount for the renewable energy;a calculation analysis module that calculates the usage amount and usage amount for the renewable energy by retrieving information from a database and using a verification method; anda storage output module configured to realize batch storage and export of the data, and to output in a visual manner the summary usage quantity and extent of the renewable energy determined by the calculation analysis module and summary of related information in the database module;wherein the information gathering module, the database module, the computational analysis module, and the memory output module are in communication with each other.
    [2]
    2. The apparatus for examining the total usage amount and extent of the renewable energy from the city buildings according to claim 1, wherein a usage form of the renewable energy in the information acquisition device includes solar thermal water, solar photovoltaic, and geothermal heat pumps.
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    同族专利:
    公开号 | 公开日
    CN109146284B|2022-03-08|
    CH715283A2|2020-02-28|
    CN109146284A|2019-01-04|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CN201810938195.2A|CN109146284B|2018-08-17|2018-08-17|Accounting system and method for comprehensive utilization amount and scale of renewable energy sources of urban building|
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