Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
In order to illustrate the technical scheme of the application, the following description is made by specific examples.
It should be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
As used in this specification and the appended claims, the term "if" may be interpreted as "when..once" or "in response to a determination" or "in response to detection" depending on the context. Similarly, the phrase "if a determination" or "if a [ described condition or event ] is detected" may be interpreted in the context of meaning "upon determination" or "in response to determination" or "upon detection of a [ described condition or event ]" or "in response to detection of a [ described condition or event ]".
In addition, in the description of the present application, the terms "first," "second," "third," etc. are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Embodiment one:
fig. 1 shows a flow chart of a first zero-energy-consumption building design method according to an embodiment of the present application, which is described in detail below:
in S101, determining a passive design parameter and a target cold and hot load value according to meteorological data of an area where a target building is located, basic design parameters of the target building, target lighting requirements and internal and external heat source proportions; the basic design parameters comprise geometrical parameters and material parameters of a target building, and the passive design parameters comprise target window wall ratio, target orientation and target building envelope thermal performance parameter values.
In the embodiment of the application, the meteorological data of the area where the target building is located can comprise illumination conditions, horizontal radiation data, air temperature data, wind direction data and the like of the area where the target building is located, and the data can be obtained by direct measurement from meteorological measuring instruments (such as an illumination sensor, an irradiation instrument, a temperature measuring instrument and a wind direction instrument) or can be read from a meteorological server of a third party. The basic design parameters of the target building comprise the geometric parameters and the material parameters of the target building which are determined in advance according to the requirements of users or the requirements of the functions of rooms. The target lighting requirement comprises, but is not limited to, lighting coefficient, illuminance, day average lighting hours and the like, and the specific value in the target lighting requirement can be a personalized lighting requirement value recorded in advance according to the user requirement or can be a standard value determined according to a national promulgated building lighting design standard file. The ratio of the internal heat source to the external heat source of the target building is the heat ratio of the indoor heat source and the outdoor heat source of the target building, the heat of the indoor heat source can be determined in advance according to the number of expected users of the target building and the heat generated by expected equipment, and the heat of the outdoor heat source can be determined according to weather data of the area where the target building is located.
And determining the passive design parameters and the target cold and hot load values of the target building according to the weather data of the area where the target building is located, the basic design parameters of the target building, the target lighting requirement and the internal and external heat source proportion, which are obtained in advance. The passive design parameters of the target building are inherent building parameters of the target building, and include target window wall ratio, target orientation (i.e. building orientation of the target building) and target building envelope thermal engineering performance parameter values. The target cold and hot load value is the energy consumption required by the target building to maintain the preset comfort temperature after the passive design parameters are determined. Specifically, the target cold-hot load value may include a year-round maximum cold-hot load value, which is a maximum of energy consumption required for maintaining the preset comfort temperature separately for each hour of the target building in one year, and/or a year-round cumulative cold-hot load value, which is a total energy consumption required for maintaining the preset comfort temperature for 8760 hours of the year. Specifically, the cold load value in the embodiment of the application comprises a cold load value and/or a heat load value, the cold load value represents the energy consumption required by refrigeration, the heat load value represents the energy consumption required by heating, and the energy consumption units of the cold load value and the heat load value can be unified into a unit of primary energy. For example, the target cold load value specifically includes a target cold load value and/or a target heat load value, and the annual maximum cold load value includes an annual maximum cold load value and/or an annual maximum heat load value.
Specifically, by means of building simulation software, the data are input to perform modeling simulation calculation, passive design parameters which can meet target lighting requirements and enable energy consumption of a target building to be minimum are determined, and corresponding target cold and hot load values are determined.
Specifically, the step S101 specifically includes:
s10101: according to first weather data of a region where a target building is located, basic design parameters of the target building, a preset window wall ratio and a lighting calculation model, lighting result information of the target building is calculated in a simulation mode, the window wall ratio is adjusted according to a comparison result of the lighting result information and target lighting requirements and the proportion of internal and external heat sources of the target building, and the target window wall ratio which meets the target lighting requirements and enables the energy consumption of the target building to be the lowest is determined, wherein the first weather data comprises illumination conditions of the region where the target building is located;
s10102: according to second meteorological data of the area where the target building is located, the basic design parameters and the solar radiation calculation model, summer radiation and winter radiation of the target building are calculated in a simulation mode, and the direction with the minimum summer radiation and the maximum winter radiation is determined to be the target direction, wherein the second meteorological data comprise horizontal radiation data or direction radiation data of the area where the target building is located;
S10103: and calculating a cold and hot load value of a target building according to the target window wall ratio, the target orientation, the basic design parameters, the pre-acquired thermal performance parameter value of the building envelope and an energy consumption calculation model, adjusting the thermal performance parameter value of the building envelope in the energy consumption calculation model, determining the corresponding thermal performance parameter value of the building envelope when the cold and hot load value is minimum as the target thermal performance parameter value of the building envelope, and determining the minimum cold and hot load value as the target cold and hot load value.
In the embodiment of the application, the passive design parameters which meet the target lighting requirement and enable the energy consumption of the target building to be the lowest can be accurately calculated by inputting the data of each parameter into the corresponding calculation model, so that the energy consumption of the target building can be reduced.
In S10101, performing simulation calculation by inputting first weather data, basic design parameters and preset window wall ratio of the target area in the lighting calculation model, obtaining lighting result information of the target building, and determining that the corresponding window wall ratio is the target window wall ratio at this time by adjusting the window wall ratio until the lighting result information meets the target lighting requirement and the energy consumption of the target building is the lowest. The first meteorological data specifically includes illumination conditions of an area where the target building is located, and specifically may include time-by-time illumination conditions, full overcast and overcast critical illuminance and the like of the area where the target building is located. Specifically, the step S10101 includes:
S10101A1: and inputting a first meteorological parameter of a target area, a basic design parameter of a target building, preset calculation parameters (such as a specific calculation formula method, a calculation unit size and the like) and a preset window wall ratio into a lighting calculation model, and simulating and calculating lighting result information of the target building, wherein the lighting result information can comprise a lighting coefficient result, an illumination result and a daily lighting hour result which correspond to each unit area of the target building respectively.
S10101A2: respectively comparing the lighting result information in the step S10101A1 with the lighting coefficient, the illumination, the day-average lighting hours and the like set in the target lighting requirement, and determining the area proportion of the lighting result information in the current target building meeting the target lighting requirement; if the area ratio is equal to the preset area ratio (for example, 60%, which represents that the lighting condition of the target building with 60% area under the setting of the current window wall ratio meets the target lighting requirement), determining that the current window wall ratio is the minimum window wall ratio meeting the target lighting requirement, and executing the step S10101A4, otherwise executing the step S10101A3.
S10101A3: if the area ratio of the lighting result information in the current target building determined in the step S10101A2 to meet the target lighting requirement is smaller than the preset area ratio, increasing the window wall ratio according to the preset step value to obtain an updated window wall ratio and returning to the step S10101A1; if the area ratio of the lighting result information in the current target building determined in the step S10101A2 to meet the target lighting requirement is greater than the preset area ratio, the window wall ratio is reduced according to the preset step value to obtain the updated window wall ratio, and the step S10101A1 is returned.
S10101A4: comparing the internal and external heat source proportion of the target building with an internal and external heat source proportion threshold value, and when the internal and external heat source proportion of the target building is smaller than the internal and external heat source proportion threshold value, judging that the increase of the window wall proportion can increase the energy consumption of the target building, and directly taking the minimum window wall proportion determined in the step S10101A3 as the target window wall proportion; otherwise, judging that the window wall ratio is insensitive to the energy consumption influence of the building, and increasing the window wall ratio in the lighting calculation model on the basis of the minimum window wall ratio of S10101A2 at the moment to perform simulation calculation until the lighting result information in the target building meets the largest area ratio of the target lighting requirement, so as to obtain the target window wall ratio.
In the embodiment of the application, the window wall ratio is adjusted according to the influence degree of the window wall ratio on the energy consumption of the building and the lighting requirement, and the window wall ratio which maximally meets the lighting requirement is determined on the premise of reducing the energy consumption of the building as much as possible, so that the target building can better meet the lighting requirement and realize energy conservation.
In S10102, the second weather data specifically refers to annual horizontal radiation data of the region where the target building is located, the second weather data and basic design parameters of the target building are input into a solar radiation calculation model to perform simulation calculation, so as to obtain summer radiation and winter radiation corresponding to each angle orientation of the target building, and the corresponding angle orientation is the target orientation of the target building when the summer radiation is minimum and the winter radiation is maximum is determined from the summer radiation and the winter radiation is maximum. Or, the second meteorological data specifically refers to all-year direction radiation data of the region where the target building is located, at this time, the corresponding radiation amount of each angle direction is not required to be calculated in a simulation mode, but the all-year simulation calculation is directly carried out according to all-year direction radiation data, and the direction with the minimum summer radiation amount and the maximum winter radiation amount can be obtained as the target direction of the target building.
According to the embodiment of the application, the building orientation which can minimize the summer radiation and maximize the winter radiation is determined according to the horizontal radiation data and the solar radiation calculation model of the area where the target building is located, so that the target building has the effect of being warm in winter and cool in summer, the energy consumption required by an active system for adjusting the temperature of the target building is reduced, and the target building is more energy-saving.
In S10103, inputting the target window wall ratio determined in step S10101, the target orientation determined in step S10102, the predetermined basic design parameter and the obtained thermal performance parameter value of the enclosure into an energy consumption calculation model, calculating the cold and hot load value of the target building, and adjusting the thermal performance parameter of the enclosure in the energy consumption calculation model, obtaining the thermal performance parameter value of the enclosure with the minimum calculated cold and hot load value as the thermal performance parameter value of the target enclosure, and determining the cold and hot load value at this time as the target cold and hot load value. Specifically, the thermal performance parameters of the enclosure of the transparent enclosure include a coefficient of heat gain and a coefficient of heat transfer, and the thermal performance parameters of the enclosure of the non-transparent enclosure include a coefficient of heat transfer.
Specifically, the step S10103 includes:
S10103B1: calculating a cold and hot load value of the target building according to the target window wall ratio, the target orientation, the basic design parameters, a pre-acquired enclosure structure thermal performance parameter value and an energy consumption calculation model, wherein the cold and hot load value comprises a maximum cold and hot load value all year round and an accumulated cold and hot load value all year round;
S10103B2: setting pre-cooling time in the energy consumption calculation model, and determining the pre-cooling time corresponding to the total year maximum cold-hot load value which is lowest and the added total year accumulated cold-hot load value which is smaller than a preset threshold value as the optimal pre-cooling time;
S10103B3: adjusting the thermal performance parameter value of the enclosure structure of the energy consumption calculation model, and determining the corresponding thermal performance parameter value of the enclosure structure when the annual accumulated cold-hot load value is the lowest as a target thermal performance parameter value of the enclosure structure;
S10103B4: setting the precooling time of the energy consumption calculation model as the optimal precooling time, setting the thermal performance parameter value of the building envelope of the energy consumption calculation model as a target building envelope thermal performance parameter value, and calculating a corresponding target cold and hot load value.
In S10103B1, the determined target window wall ratio, target orientation, basic design parameters, and the thermal performance parameter value of the building envelope obtained in advance according to the energy saving standard are input into an energy consumption calculation model, and the cold and hot load values of the target building are calculated, wherein the cold and hot load values include a annual maximum cold and hot load value and an annual accumulated cold and hot load value, a curve with an abscissa of 8760 hours per year can be calculated according to simulation, an ordinate of the cold and hot load value corresponding to each hour is obtained according to a peak value of the curve, and an annual maximum cold and hot load value is obtained according to an area under the curve.
In S10103B2, the pre-cooling time is added to the energy consumption calculation model in S10103B1, the pre-cooling time can be increased in units of hours, and the cold-hot load value is calculated, so as to obtain the annual maximum cold-hot load value and the annual accumulated cold-hot load value corresponding to the pre-cooling time, and finally, the pre-cooling time corresponding to the time when the annual accumulated cold-hot load value is the lowest and the annual accumulated cold-hot load value is smaller than the preset threshold value relative to the added value before the pre-cooling time is added in the process of increasing the pre-cooling time is determined to be the optimal pre-cooling time. The maximum annual cold and hot load value can be reduced by additionally arranging the pre-cooling time, so that the subsequent air conditioning system equipment can be more economical and energy-saving, and meanwhile, the opening time of the air conditioning equipment can be increased by increasing the pre-cooling time, so that the annual accumulated cold and hot load value increased after additionally arranging the pre-cooling time is smaller than the preset threshold value by restraining, the energy consumption control after additionally arranging the pre-cooling time can not be excessively increased, and the energy consumption of a target building can be more economical and environment-friendly.
In S10103B3, the envelope thermal performance parameter values include, in particular, the heat gain coefficient value and the heat transfer coefficient value of the transparent envelope, and the heat transfer coefficient value of the non-transparent envelope. When the thermal performance parameter value of the enclosure structure of the energy consumption calculation model is adjusted, one of the heat obtaining coefficient value of the transparent enclosure structure, the heat transfer coefficient value of the transparent enclosure structure and the heat transfer coefficient value of the non-transparent enclosure structure can be sequentially used as a variable, the value of the variable is adjusted downwards according to a preset proportion (for example, 5% and 10%), the corresponding annual accumulated cold and hot load value is calculated after each adjustment, the optimal value of the variable corresponding to the lowest annual accumulated cold and hot load value in the downadjustment process is finally determined, and the target thermal performance parameter value of the enclosure structure with the lowest annual accumulated cold and hot load value can be finally determined according to the method.
In S10103B4, the precooling time of the energy consumption calculation model is set to the optimal precooling time determined in step S10103B2, the thermal performance parameter value of the enclosure of the energy consumption calculation model is set to the target thermal performance parameter value of the enclosure determined in step S10103B3, and the cold-hot load value at this time is calculated in a simulation manner to be the target cold-hot load value.
In the embodiment of the application, the heat transfer coefficient and the heat obtaining coefficient of the transparent enclosure are respectively adjusted according to the influence of the thermal performance parameters of the enclosure on the cold and hot load values, and the heat transfer coefficient of the non-transparent enclosure is used for determining the thermal performance parameter value of the enclosure, which can enable the cumulative cold and hot load value of the enclosure all the year round to be minimum, as the thermal performance parameter value of the target enclosure, so that the energy consumption required by refrigeration and/or heating of the target building can be reduced, and the target building is more energy-saving and environment-friendly. In addition, the optimal precooling time capable of effectively reducing the annual accumulated cold and hot load value is determined through the energy consumption model, so that a precooling strategy is added for a target building, and the energy consumption of the target building is further reduced.
In S102, a device form that minimizes energy consumption of each active system is determined according to the passive design parameter, the target cold and hot load value, the meteorological data, the basic design parameter, the target lighting requirement, the target water consumption and the functional index of the target building, where the active system at least includes an air conditioning system, a lighting system, a water supply and drainage system, an elevator system and a socket power supply system.
And (3) inputting the passive design parameters, the target cold and hot load values, the pre-determined meteorological data, the basic design parameters, the target lighting requirements, the pre-acquired target water consumption and the like of the target building determined in the step (S101) into an energy consumption calculation model, simulating and calculating the annual energy consumption curves of all active systems through the energy consumption calculation model, determining the lowest annual energy consumption curve through adjusting the equipment form of the active systems, wherein the lowest annual energy consumption curve corresponds to the lowest energy consumption, and further obtaining the equipment form of all active systems with the lowest energy consumption. The active system in the embodiment of the application at least comprises an air conditioning system, a lighting system, a water supply and drainage system, an elevator system and a socket power supply system, and other types of active systems can be specifically added according to the function of a target building. The abscissa of the annual energy consumption curve in the embodiment of the application is time, the unit can be specifically hours, and the ordinate is energy consumption (specifically electric energy).
Specifically, the step S102 includes:
s10201: determining a plurality of air conditioning system equipment to be selected according to the target cold and hot load value; according to the air conditioning system equipment to be selected, adjusting air conditioning system parameters in the energy consumption calculation model, performing simulation calculation to obtain an air conditioning system energy consumption curve corresponding to each air conditioning system equipment to be selected, comparing, and determining the air conditioning system equipment to be selected with the lowest energy consumption as equipment of an air conditioning system;
S10202: according to the pre-acquired target water consumption, determining a plurality of water supply and drainage devices to be selected; according to the water supply and drainage equipment to be selected, adjusting water supply and drainage system parameters in the energy consumption calculation model, performing simulation calculation to obtain energy consumption curves of water supply and drainage systems corresponding to each air conditioning system equipment to be selected, comparing, and determining the water supply and drainage equipment with the lowest energy consumption as equipment of the water supply and drainage systems;
s10203: performing simulation calculation according to the passive design parameters, the meteorological data, the basic design parameters and the target lighting requirements, determining active lighting time and a preset number of target lighting lamps, taking the preset number of target lighting lamps as equipment of a lighting system, and determining a lighting control strategy of the lighting system according to the active lighting time;
s10204: and determining equipment of the socket power supply system and the elevator system according to the target building function index.
In S10201, according to the target cold-hot load value, an air conditioning apparatus whose power level satisfies the target cold-hot load value is determined from the air conditioning system apparatus information base as an air conditioning system apparatus to be selected. And then, adjusting the air conditioning system parameters in the energy consumption calculation model according to the parameters of each air conditioning system equipment to be selected in sequence, and performing simulation calculation to obtain an air conditioning system energy consumption curve corresponding to each air conditioning system equipment to be selected, for example, if 4 selected air conditioning system equipment to be selected are provided, respectively performing air conditioning system parameter adjustment on the energy consumption calculation model for 4 times to obtain 4 corresponding air conditioning system energy consumption curves. And then obtaining the energy consumption condition of each air conditioning system equipment to be selected according to the energy consumption curve of each air conditioning system, comparing, and determining the air conditioning system equipment to be selected with the lowest energy consumption as the equipment of the air conditioning system.
In S10202, the required water supply and drainage power level is determined according to the target water consumption acquired in advance, and several kinds of water supply and drainage equipment to be selected meeting the required water supply and drainage power level are determined from the water supply and drainage equipment information base. And then, adjusting the water supply and drainage system parameters in the energy consumption calculation model according to the parameters of each water supply and drainage device to be selected in sequence, and obtaining a water supply and drainage system energy curve corresponding to each water supply and drainage system device to be selected through simulation calculation, for example, if 3 water supply and drainage system devices to be selected are provided, respectively carrying out 3 times of water supply and drainage system parameter adjustment on the energy consumption calculation model to obtain 3 corresponding water supply and drainage system energy curves. And then obtaining the energy consumption condition of each type of to-be-selected water supply and drainage system equipment according to the energy consumption curve of each water supply and drainage system, comparing, and determining the to-be-selected water supply and drainage system equipment with the lowest energy consumption as the water supply and drainage system equipment.
In S10203, according to the determined passive design parameters, weather data, basic design parameters and target lighting requirements, performing simulation calculation through a lighting model, and determining lighting time and illuminance of a target building, thereby determining active lighting time and a preset number of target lighting fixtures to meet the lighting requirements, where the target lighting fixtures are the fixtures with the lowest energy consumption determined according to the energy consumption curve. The method comprises the steps of taking the preset number of target lighting fixtures as devices of a lighting system and determining a lighting control strategy of the lighting system according to active lighting time, wherein the lighting control strategy comprises active switching-on and switching-off time of the lighting system.
In S10204, a target number of devices of the socket power supply system are determined according to the functional index requirements of the target building, and an optimal device form that minimizes the power consumption of the socket power supply system is selected according to the power consumption curve. And the elevator system also selects energy-saving elevator system equipment with low energy consumption.
In the embodiment of the application, the equipment form of each active system with the lowest energy consumption on the premise of meeting the use requirement can be determined according to the target cold and hot load value, the meteorological data, the target lighting requirement, the target water consumption and the functional index of the target building and by combining the annual energy consumption curves of each active system, so that the energy consumption of the target building can be reasonably and accurately reduced.
In S103, a total system energy consumption parameter value of the target building is determined according to the passive design parameter, the meteorological data, the basic design parameter and the equipment form of each active system.
The weather data, the basic design parameters, the passive design parameters determined in the step S101 and the equipment form of each active system determined in the step S103 which are determined in advance are input into an energy consumption calculation model, the annual total energy utilization curve of the target building is calculated in a simulation mode, and the total system energy consumption parameter value of the target building is determined according to the annual total energy utilization curve. The abscissa of the annual total energy usage curve is time, and the unit is hours; the ordinate is the energy consumption value, which represents the energy consumption per hour. The ordinate value of the annual total energy utilization curve is equal to the accumulation of the ordinate values of the active system curves, and the annual total energy utilization curve represents the energy utilization condition of the total system formed by all the active systems. And determining the total system energy consumption parameter value of the target building according to the annual total energy utilization curve.
In S104, a device form of a renewable energy system of the target building is determined according to the total system energy consumption parameter value and the meteorological data, wherein the capacity parameter value of the renewable energy system is greater than or equal to the total system energy consumption parameter value.
And determining the specific equipment types, equipment models, the number and other equipment forms of the renewable energy sources of the target building according to the determined total system energy consumption parameter value and the meteorological data, so that the capacity parameter value of the renewable energy source system is greater than or equal to the total system energy consumption parameter value.
Optionally, in step S103, the total system energy consumption parameter value includes a total system time-by-time load and/or a total system year total energy, and correspondingly, the capacity parameter value includes a time-by-time capacity and/or a year total capacity, and step S104 includes:
determining the capacity form of a renewable energy system of the target building according to the meteorological data;
and determining the type and the quantity of the system equipment of the renewable energy source according to the total system peak load and/or the total system annual total energy and the capacity form, wherein the capacity peak value of the renewable energy source system is greater than or equal to the total system peak load and/or the total annual energy yield of the renewable energy source system is greater than or equal to the total system annual total energy.
In the embodiment of the present application, the total system energy consumption parameter value in step S103 includes a time-by-time load of the total system and/or total system year total energy consumption, where the time-by-time load of the total system is an energy consumption value of each hour accumulated by an active system used by the target building, and the total system year total energy consumption is an accumulated energy consumption of 8760 hours of one year. Specifically, the value of the total system energy consumption parameter of the target building is determined by taking the ordinate value of the total annual energy consumption curve in step 103 as the total system time-by-time load and/or taking the area under the total annual energy consumption curve as the total system annual energy consumption.
Specifically, in step S104, a capacity form of the target building is determined according to the acquired meteorological data, specifically according to the acquired illumination condition, wind direction data, geographical environment, and the like of the region where the target building is located, where the capacity form may include any one or more of renewable energy forms such as wind energy, solar energy, tidal energy, nuclear energy, biomass energy, and the like. And then, according to the time-by-time load of the total system and/or the annual total energy of the total system and the capacity form, determining the type and the quantity of the system equipment of the renewable energy sources which correspond to the capacity form and meet the capacity requirement, so that the time-by-time capacity of the renewable energy source system is greater than or equal to the time-by-time load of the total system and/or the annual total energy of the renewable energy source system is greater than or equal to the annual total energy of the total system. Specifically, the annual energy production curve of the renewable energy system may be simulated and calculated, and a renewable energy system device capable of making the annual energy production curve higher than the annual total energy consumption curve in step S103 is determined.
In the embodiment of the application, the capacity form of the corresponding renewable energy system is determined according to the meteorological data of the area where the target building is located, and the model number and the quantity of the corresponding renewable energy system are determined according to the total system energy consumption parameter value, so that the zero energy consumption of the target building can be accurately realized according to local conditions.
According to the embodiment of the application, the passive design parameters meeting the target lighting requirements can be accurately determined according to the meteorological data, the target lighting requirements, the internal and external heat source proportion and other data of the target building, and the energy consumption of the building is reduced as much as possible in the passive design process; secondly, in the design of the active system, the equipment form which meets the requirements and enables the energy consumption of each active system to be the lowest can be determined according to the actual passive design parameters, the target cold and hot load values, the meteorological data, the target water consumption, the target lighting requirements and other data, and the energy consumption of the building is further reduced as much as possible in the active design process; and then, accurately determining the total system energy consumption parameter value of the target building through a target energy consumption calculation model according to the determined passive design parameters, the equipment form of each active system, the meteorological data and basic design parameters of the target building and other data, and determining the renewable energy source system according to the total system energy consumption parameter value, so that the capacity parameter value of the renewable energy source system is larger than or equal to the total system energy consumption parameter value, thereby enabling the target building to realize self-production and self-use of energy consumption and accurately realizing zero energy consumption of the target building.
Embodiment two:
fig. 2 shows a flow chart of a second zero-energy-consumption building design method according to an embodiment of the present application, which is described in detail below:
in S201, determining a passive design parameter and a target cold and hot load value according to meteorological data of an area where a target building is located, basic design parameters of the target building, target lighting requirements and internal and external heat source proportions; the basic design parameters comprise geometrical parameters and material parameters of a target building, and the passive design parameters comprise target window wall ratio, target orientation and target building envelope thermal performance parameter values.
In S202, determining a device form that minimizes energy consumption of each active system according to the passive design parameter, the target cold and hot load value, the meteorological data, the basic design parameter, the target lighting requirement, the target water consumption and the functional index of the target building, where the active system at least includes an air conditioning system, a lighting system, a water supply and drainage system, an elevator system and a socket power supply system.
In S203, determining a total system energy consumption parameter value of the target building according to the passive design parameter, the meteorological data, the basic design parameter and the equipment form of each active system;
In S204, a device form of a renewable energy system of the target building is determined according to the total system energy consumption parameter value and the meteorological data, wherein the capacity parameter value of the renewable energy system is greater than or equal to the total system energy consumption parameter value.
The embodiments S201 to S204 of the present application are identical to the S101 to S103 of the previous embodiment, and refer to the related descriptions of the S101 to S104 of the previous embodiment, which are not repeated here.
In S205, a construction requirement report is generated according to the passive design parameters, the device form of each active system, and the device form of the renewable energy system, so as to indicate the construction of the target building.
And outputting and generating a construction requirement report to instruct the construction of the target building by the passive design parameters determined in the step S201, the equipment form of each active system determined in the step S202 and the equipment form of the renewable energy system determined in the step S204. Optionally, after the construction requirement report is generated, the construction requirement report may be sent to a designated device, so that the target personnel or the target automatic construction device can obtain the construction requirement information.
In S206, it includes:
s2061: acquiring the equipment form of an active system which is actually selected in the construction process, returning to execute the steps of simulating and calculating the annual energy utilization curve of each active system according to the passive design parameters, the target cold and hot load values, the meteorological data, the basic design parameters, the target lighting requirement, the target water consumption and the functional indexes of a target building which are acquired in advance, determining the equipment form which enables the energy consumption of each active system to be the lowest, and redetermining the equipment form of each active system and the equipment form of a renewable energy system;
Alternatively, the method further comprises:
s2062: and monitoring lighting time and air temperature data in actual running after the target building construction is built, adjusting meteorological data of the energy consumption calculation model, calculating actual energy consumption of each active system, and adjusting the precooling time and the illumination control strategy.
In S2061, the device form of the active system originally determined during the construction process may not be configured for a specific reason, at this time, the device form of the active system may be selected, which is input by the target person, may be received, the device information base of each active system may be updated, the step S202 is returned to determine the device form of the active system again, and the steps S203 and S204 are continuously performed to determine the device form of the renewable energy system again.
In step S2062, after the construction of the target building is completed, the lighting time and the air temperature data of the target building during actual operation are monitored by the measuring device, the meteorological data of the energy consumption calculation model are updated, and the actual energy consumption of each active system is calculated for subsequent analysis and adjustment of the active system devices or the renewable energy devices. And the lighting control strategy is adjusted according to the lighting time, and the optimal precooling time is calculated in a re-simulation mode according to the air temperature data so as to reduce the energy consumption of the target building.
In the embodiment of the application, after the passive design parameters, the equipment form of each active system and the equipment form of the renewable energy system are determined, each data information is not required to be manually recorded, but a construction requirement report is automatically generated, so that the construction of a target building can be conveniently and effectively guided; in addition, in the actual construction process or after construction, the equipment form or illumination control strategy, pre-cooling time and the like of each active system or renewable energy system can be adjusted by acquiring the actual equipment selectable conditions, meteorological conditions and the like, so that the stable realization of zero energy consumption of a target building is further ensured.
It should be understood that the sequence number of each step in the foregoing embodiment does not mean that the execution sequence of each process should be determined by the function and the internal logic, and should not limit the implementation process of the embodiment of the present application.
Embodiment III:
fig. 3 is a schematic structural diagram of a zero-energy-consumption building design device according to an embodiment of the present application, and for convenience of explanation, only a portion related to the embodiment of the present application is shown:
the zero energy consumption building design device includes: a passive parameter determining unit 31, an active system determining unit 32, a total system energy consumption calculating unit 33, and a renewable energy system determining unit 34. Wherein:
The passive parameter determining unit 31 is configured to determine a passive design parameter and a target cold and hot load value according to meteorological data of an area where the target building is located, a basic design parameter of the target building, a target lighting requirement, and an internal and external heat source proportion; the basic design parameters comprise geometrical parameters and material parameters of a target building, and the passive design parameters comprise target window wall ratio, target orientation and target building envelope thermal performance parameter values.
Optionally, the passive parameter determining unit 31 includes a target window wall ratio determining unit, a target orientation determining unit, and a target building envelope thermal performance parameter value determining unit:
the target window wall ratio determining unit is used for simulating and calculating lighting result information of the target building according to first weather data of an area where the target building is located, basic design parameters of the target building, preset window wall ratio and a lighting calculation model, and adjusting the window wall ratio according to a comparison result of the lighting result information and target lighting requirements and the proportion of internal and external heat sources of the target building to determine the target window wall ratio which meets the target lighting requirements and enables the energy consumption of the target building to be minimum, wherein the first weather data comprises the illumination condition of the area where the target building is located;
The target orientation determining unit is used for determining the orientation with minimum summer radiation and maximum winter radiation as the target orientation according to second meteorological data of the area where the target building is located, the basic design parameters and the solar radiation calculation model for calculating the summer radiation and the winter radiation of the target building in a simulation mode, wherein the second meteorological data comprise horizontal radiation data or orientation radiation data of the area where the target building is located;
and the target building envelope thermal performance parameter value determining unit is used for calculating a cold and hot load value of a target building according to the target window wall ratio, the target orientation, the basic design parameter, the pre-acquired building envelope thermal performance parameter value and an energy consumption calculation model, adjusting the size of the building envelope thermal performance parameter value in the energy consumption calculation model, determining the corresponding building envelope thermal performance parameter value as the target building envelope thermal performance parameter value when the cold and hot load value is minimum, and determining the minimum cold and hot load value as the target cold and hot load value.
Optionally, the determining unit of the thermal performance parameter value of the target building is specifically configured to calculate a cold-hot load value of the target building according to the target window wall ratio, the target orientation, the basic design parameter, a pre-obtained thermal performance parameter value of the building and an energy consumption calculation model, where the cold-hot load value includes a maximum cold-hot load value of the building all the year round and an accumulated cold-hot load value of the building all the year round; setting pre-cooling time in the energy consumption calculation model, and determining the pre-cooling time corresponding to the total year maximum cold-hot load value which is lowest and the added total year accumulated cold-hot load value which is smaller than a preset threshold value as the optimal pre-cooling time; adjusting the thermal performance parameter value of the enclosure structure of the energy consumption calculation model, and determining the corresponding thermal performance parameter value of the enclosure structure when the annual accumulated cold-hot load value is the lowest as a target thermal performance parameter value of the enclosure structure; setting the precooling time of the energy consumption calculation model as the optimal precooling time, setting the thermal performance parameter value of the building envelope of the energy consumption calculation model as a target building envelope thermal performance parameter value, and calculating a corresponding target cold and hot load value.
And an active system determining unit 32, configured to determine a device form that minimizes energy consumption of each active system according to the passive design parameter, the target cold and hot load value, the meteorological data, the basic design parameter, the target lighting requirement, the target water consumption and the functional index of the target building, where the active system at least includes an air conditioning system, a lighting system, a water supply and drainage system, an elevator system, and a socket power supply system.
Optionally, the active system determining unit includes an air conditioning system determining unit, a water supply and drainage system determining unit, a lighting system determining unit, and a socket power supply system determining unit:
the air conditioning system determining unit is used for determining a plurality of air conditioning system equipment to be selected according to the target cold and hot load value; according to the air conditioning system equipment to be selected, adjusting air conditioning system parameters in the energy consumption calculation model, performing simulation calculation to obtain an air conditioning system energy consumption curve corresponding to each air conditioning system equipment to be selected, comparing, and determining the air conditioning system equipment to be selected with the lowest energy consumption as equipment of an air conditioning system;
the water supply and drainage system determining unit is used for determining a plurality of water supply and drainage equipment to be selected according to the target water consumption acquired in advance; according to the water supply and drainage equipment to be selected, adjusting water supply and drainage system parameters in the energy consumption calculation model, performing simulation calculation to obtain energy consumption curves of water supply and drainage systems corresponding to each air conditioning system equipment to be selected, comparing, and determining the water supply and drainage equipment with the lowest energy consumption as equipment of the water supply and drainage systems;
The lighting system determining unit is used for performing simulation calculation according to the passive design parameters, the meteorological data, the basic design parameters and the target lighting requirements, determining active lighting time and a preset number of target lighting lamps, taking the preset number of target lighting lamps as equipment of the lighting system and determining a lighting control strategy of the lighting system according to the active lighting time;
and the socket power supply system and elevator system determining unit is used for determining equipment of the socket power supply system and the elevator system according to the function index of the target building.
And a total system energy consumption calculation unit 33, configured to determine a total system energy consumption parameter value of the target building according to the passive design parameter, the meteorological data, the basic design parameter, and the device form of each active system.
And a renewable energy system determining unit 34, configured to determine a device form of a renewable energy system of a target building according to the total system energy consumption parameter value and the meteorological data, where the capacity parameter value of the renewable energy system is greater than or equal to the total system energy consumption parameter value.
Optionally, the total system energy consumption parameter value includes a total system time-by-time load and/or a total system year total energy consumption, and correspondingly, the productivity parameter value includes a time-by-time productivity and/or a year total productivity, and the renewable energy system determining unit 34 is specifically configured to determine, according to the meteorological data, a productivity form of a renewable energy system of a target building; and determining the type and the quantity of the system equipment of the renewable energy source according to the time-by-time load of the total system and/or the total annual energy utilization of the total system and the energy production form, wherein the time-by-time energy production of the renewable energy source system is greater than or equal to the time-by-time load of the total system and/or the annual total energy utilization of the renewable energy source system is greater than or equal to the total annual energy utilization of the total system.
Optionally, the zero-energy building design device further comprises:
and the construction requirement report generating unit is used for generating a construction requirement report according to the passive design parameters, the equipment form of each active system and the equipment form of the renewable energy system so as to indicate the construction of the target building.
Optionally, the zero-energy building design device further comprises:
the first adjusting unit is used for acquiring the equipment form of the active system which is actually selected in the construction process, returning to execute the steps of simulating and calculating the annual energy utilization curve of each active system according to the passive design parameters, the target cold and hot load values, the meteorological data, the basic design parameters and the target lighting requirements, the target water consumption and the functional indexes of the target building which are acquired in advance, determining the equipment form which enables the energy consumption of each active system to be the lowest, and redefining the equipment form of each active system and the equipment form of the renewable energy system;
alternatively, the method further comprises:
the second adjusting unit is used for monitoring the lighting time and the air temperature data of the target building construction after the target building construction is built in actual operation, adjusting the meteorological data of the energy consumption calculation model, calculating the actual energy consumption of each active system, and adjusting the precooling time and the illumination control strategy.
It should be noted that, because the content of information interaction and execution process between the above devices/units is based on the same concept as the method embodiment of the present application, specific functions and technical effects thereof may be referred to in the method embodiment section, and will not be described herein.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional units and modules is illustrated, and in practical application, the above-described functional distribution may be performed by different functional units and modules according to needs, i.e. the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-described functions. The functional units and modules in the embodiment may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit, where the integrated units may be implemented in a form of hardware or a form of a software functional unit. In addition, the specific names of the functional units and modules are only for distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working process of the units and modules in the above system may refer to the corresponding process in the foregoing method embodiment, which is not described herein again.
Embodiment four:
fig. 4 is a schematic diagram of a terminal device according to an embodiment of the present application. As shown in fig. 4, the terminal device 4 of this embodiment includes: a processor 40, a memory 41 and a computer program 42, such as a zero-energy building design program, stored in the memory 41 and executable on the processor 40. The processor 40, when executing the computer program 42, implements the steps of the various zero-power building design method embodiments described above, such as steps S101 through S104 shown in fig. 1. Alternatively, the processor 40, when executing the computer program 42, performs the functions of the modules/units of the apparatus embodiments described above, such as the functions of the units 31-34 shown in fig. 3.
Illustratively, the computer program 42 may be partitioned into one or more modules/units that are stored in the memory 41 and executed by the processor 40 to complete the present application. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions for describing the execution of the computer program 42 in the terminal device 4. For example, the computer program 42 may be divided into a passive parameter determination unit, an active system determination unit, a total system energy consumption calculation unit, and a renewable energy system determination unit.
The terminal device 4 may be a computing device such as a desktop computer, a notebook computer, a palm computer, a cloud server, etc. The terminal device may include, but is not limited to, a processor 40, a memory 41. It will be appreciated by those skilled in the art that fig. 4 is merely an example of the terminal device 4 and does not constitute a limitation of the terminal device 4, and may include more or less components than illustrated, or may combine certain components, or different components, e.g., the terminal device may further include an input-output device, a network access device, a bus, etc.
The processor 40 may be a central processing unit (Central Processing Unit, CPU), other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), field-programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 41 may be an internal storage unit of the terminal device 4, such as a hard disk or a memory of the terminal device 4. The memory 41 may be an external storage device of the terminal device 4, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card) or the like, which are provided on the terminal device 4. Further, the memory 41 may also include both an internal storage unit and an external storage device of the terminal device 4. The memory 41 is used for storing the computer program as well as other programs and data required by the terminal device. The memory 41 may also be used for temporarily storing data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional units and modules is illustrated, and in practical application, the above-described functional distribution may be performed by different functional units and modules according to needs, i.e. the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-described functions. The functional units and modules in the embodiment may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit, where the integrated units may be implemented in a form of hardware or a form of a software functional unit. In addition, the specific names of the functional units and modules are only for distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working process of the units and modules in the above system may refer to the corresponding process in the foregoing method embodiment, which is not described herein again.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and in part, not described or illustrated in any particular embodiment, reference is made to the related descriptions of other embodiments.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other manners. For example, the apparatus/terminal device embodiments described above are merely illustrative, e.g., the division of the modules or units is merely a logical function division, and there may be additional divisions in actual implementation, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection via interfaces, devices or units, which may be in electrical, mechanical or other forms.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated modules/units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the present application may implement all or part of the flow of the method of the above embodiment, or may be implemented by a computer program to instruct related hardware, where the computer program may be stored in a computer readable storage medium, and when the computer program is executed by a processor, the computer program may implement the steps of each of the method embodiments described above. Wherein the computer program comprises computer program code which may be in source code form, object code form, executable file or some intermediate form etc. The computer readable medium may include: any entity or device capable of carrying the computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth. It should be noted that the computer readable medium contains content that can be appropriately scaled according to the requirements of jurisdictions in which such content is subject to legislation and patent practice, such as in certain jurisdictions in which such content is subject to legislation and patent practice, the computer readable medium does not include electrical carrier signals and telecommunication signals.
The above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.