CN110878973B - Optimized adjustment method and device for building composite energy device - Google Patents
Optimized adjustment method and device for building composite energy device Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 59
- 239000002131 composite material Substances 0.000 title claims abstract description 30
- 238000004378 air conditioning Methods 0.000 claims abstract description 138
- 238000005338 heat storage Methods 0.000 claims abstract description 20
- 230000006978 adaptation Effects 0.000 claims description 27
- 238000001816 cooling Methods 0.000 claims description 12
- 238000004590 computer program Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 5
- 238000005265 energy consumption Methods 0.000 abstract description 13
- 238000004891 communication Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/272—Solar heating or cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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Abstract
The invention provides an optimal adjustment method and device for a composite energy device of a building, wherein the optimal adjustment method for the composite energy system device of the building comprises the following steps: obtaining medium temperature T of heat storage device of solar air conditioning system1(ii) a At T1≥A1When the solar air conditioning system is started, a control signal for starting a cold machine of the solar air conditioning system is sent; obtaining the enthalpy value h of outdoor airoOutdoor irradiance
Value and indoor air enthalpy value hrAnd determining the temperature T of the medium1Trend over time; based on the temperature T of the medium1And medium temperature T1Determining the real-time efficiency phi of a cold machine of the solar air-conditioning system according to the variation trend of the solar air-conditioning system; determining time T for indoor temperature of building to reach target value based on real-time efficiency phi of cold machine of solar air conditioning systemd(ii) a When T isdIs longer than the first set time Ts1And then sending a control signal for starting the ground source heat pump system. The optimized adjustment method of the building composite energy device can quickly and effectively realize the adjustment experience of lower energy consumption and more comfortable building indoor environment of the building.
Description
Technical Field
The invention relates to the field of building heating ventilation and air conditioning, in particular to an optimal adjustment method and device for a building composite energy device.
Background
With the rapid development of building energy conservation in China, low-energy-consumption buildings in China have entered a rapid development period. When the actual energy consumption level of the building and the indoor environment reach relevant constraint values, the building is called an ultra-low energy consumption building. The ultra-low energy consumption building further reduces the self load of the building by adopting a building envelope structure with higher performance in the aspect of building structure and maximizing the utilization of solar photo-thermal and natural ventilation technologies in the aspect of building design, and an active energy system of the building adopts equipment facilities with higher performance or is combined with a renewable energy system, so that the lower energy consumption of the building is realized under the condition of meeting the requirement of the indoor environment of the building.
By researching the built and established ultra-low energy consumption building energy system, about 50 percent of office building energy systems adopt a multi-energy complementary energy system compounded by two or more than two renewable energy sources. The same trend is also applied to the energy system of the overseas ultra-low energy consumption building. Therefore, the collocation of more energy efficient energy systems or multiple renewable energy systems is one of the main options for building energy systems. In the selection of the terminal mode, the independent temperature and humidity control system is applied to a plurality of projects with the advantages of comfort and energy conservation.
Most of the existing multi-energy complementary systems with larger market occupation are ground source heat pumps and solar air conditioning systems. The conventional automatic optimization operation mode of the combined system is determined by modeling, simulation scheme comparison and selection calculation or system design files. The modeling is difficult to be widely adopted in actual projects, and the actual application of engineering projects is difficult to be quickly and effectively guided.
Disclosure of Invention
Embodiments of the present invention provide an optimized adaptation method and apparatus for building complex energy devices that overcomes or at least partially solves the above-mentioned problems.
In a first aspect, an embodiment of the present invention provides an optimized adaptation method for a building complex energy device, where the building complex energy device includes: the solar air conditioning system and the ground source heat pump system, the optimal adaptation method comprises the following steps: acquiring the medium temperature T of a heat storage device of the solar air conditioning system1(ii) a At T1≥A1When the solar air conditioning system is started, a control signal for starting a cold machine of the solar air conditioning system is sent, wherein A1Refrigerator for solar air conditioning systemLower limit of start-up temperature of; obtaining the enthalpy value h of outdoor airoOutdoor irradiance
Value and indoor air enthalpy value hr(ii) a Based on the enthalpy value h of outdoor airoIndoor air enthalpy value hrAnd outdoor irradiance
Value, determining the temperature T of the medium1Trend over time; based on the temperature T of the medium1And medium temperature T1Determining the real-time efficiency phi of a cold machine of the solar air-conditioning system according to the variation trend of the solar air-conditioning system; determining the time T for the indoor temperature of the building to reach the target value based on the real-time efficiency phi of the cold machine of the solar air-conditioning systemd(ii) a When T isdIs longer than the first set time Ts1And sending a control signal for starting the ground source heat pump system.
According to the optimized adaptation method of the building composite energy device, when the cold machine of the solar air conditioning system and the ground source heat pump system are both started, T is carried outdLess than a second set time Ts2And T is1≥A1And sending a control signal for closing the ground source heat pump system.
According to one embodiment of the invention, the optimal adjustment method of the building composite energy device is characterized in that the time T for the indoor temperature of the building to reach the target value is determined based on the real-time efficiency phi of the refrigerator of the solar air conditioning systemdThe method comprises the following steps: real-time efficiency phi of cold machine and redundant load Q of building based on solar air conditioning systemrestAnd the real-time efficiency phi of the refrigerator based on the solar air conditioning system and the redundant load Q of the buildingrestAnd the time TdRelation T ofd＝f(QrestPhi), determining the time T for the building indoor temperature to reach a target valued。
According to the embodiment of the invention, the optimal adaptation method of the building composite energy device is based on the cold of the solar air-conditioning systemMaximum cooling capacity Q of the machineeAnd building cooling load QcDetermining said building redundancy load Qrest。
According to the optimal adaptation method of the building composite energy device, the enthalpy value h based on outdoor air is adoptedoIndoor air enthalpy value hrAnd outdoor irradiance
Value, determining the temperature T of the medium1Trend over time, including: medium temperature T based on historical heat storage device1Enthalpy value h of outdoor airoIndoor air enthalpy value hrAnd outdoor irradiance
Value, determining a relationship
Based on relationships
And outdoor air enthalpy value hoIndoor air enthalpy value hrAnd outdoor irradiance
Value, determining the temperature T of the medium1The trend of (c).
The optimal adaptation method for the building complex energy device according to one embodiment of the invention further comprises the following steps: at T1＜A1And sending a control signal for closing the cold machine of the solar air conditioning system and starting the ground source heat pump system.
The optimal adaptation method for the building complex energy device according to one embodiment of the invention further comprises the following steps: acquiring indoor temperature and indoor humidity; when the indoor temperature is in a first target interval and the indoor humidity is in a second target interval, keeping the solar air conditioning system and the ground source heat pump system unchanged; and when at least one of the indoor temperature and the indoor humidity is not in the corresponding target interval, acquiring the working states of the solar air conditioning system and the ground source heat pump system.
In a second aspect, an embodiment of the present invention provides a composite energy device for a building, including: the system comprises a solar air conditioning system, a ground source heat pump system, an information acquisition system and a control system; the information acquisition system is used for acquiring the medium temperature T of the heat storage device of the solar air conditioning system1Outdoor air enthalpy value hoOutdoor irradiance
Enthalpy value h of indoor airr(ii) a The control system is electrically connected with the information acquisition system, the solar air conditioning system and the ground source heat pump system, and is used for controlling the solar air conditioning system and the ground source heat pump system at T1≥A1When the solar air conditioning system is started, a control signal for starting a cold machine of the solar air conditioning system is sent, wherein A1The lower limit value of the starting temperature of a cold machine of the solar air-conditioning system; the control system is used for controlling the enthalpy of outdoor airoIndoor air enthalpy value hrAnd outdoor irradiance
Value determination of the medium temperature T1Trend over time; the control system is used for controlling the medium temperature T1Temperature T of medium1Determining the real-time efficiency phi of a cold machine of the solar air-conditioning system according to the variation trend of the solar air-conditioning system; the control system is used for determining the time T for the indoor temperature of the building to reach the target value based on the real-time efficiency phi of the cold machine of the solar air-conditioning systemd(ii) a The control system is used for controlling the time TdIs longer than the first set time Ts1And sending a control signal for starting a cold machine of the ground source heat pump system.
In a third aspect, an embodiment of the present invention provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and the processor implements the steps of the method provided in the first aspect when executing the program.
In a fourth aspect, an embodiment of the present invention provides a non-transitory computer readable storage medium, on which a computer program is stored, which when executed by a processor, implements the steps of the method as provided in the first aspect.
The optimal adaptation method of the building composite energy device, the electronic equipment and the non-transient computer readable storage medium fully consider various environments and working parameters, can ensure that the whole device operates in a better working state, and can quickly and effectively realize lower energy consumption of a building and more comfortable adjustment experience of the indoor environment of the building.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a flowchart of an optimal adaptation method for a composite energy device of a building according to an embodiment of the present invention;
fig. 2 is a schematic view of a composite energy device for construction according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An optimal adaptation method of the composite energy device for building according to the embodiment of the present invention is described below with reference to fig. 1, and the optimal adaptation method is also a control method of the composite energy device for building.
The building complex energy device includes: a solar air conditioning system 330, a ground source heat pump system 340 and a terminal control system.
The solar air conditioning system 330 includes a heat collector, a heat storage device and a cold machine, the heat collector is communicated with the heat storage device to form a heat collection cycle, a medium is heated in the heat collector by solar energy and then flows into the heat storage device to be stored, the heat storage device may be a water tank, and the corresponding medium may be water. The solar air conditioning system 330 utilizes solar photothermal hot water to drive the refrigerator for refrigeration, the refrigerator of the solar air conditioning system 330 may be an absorption refrigerator, such as a lithium bromide type absorption refrigerator, the absorption refrigerator consumes little power, and the whole solar air conditioning system 330 is a system with high efficiency and ultra-low energy consumption.
The ground source heat pump system 340 is a heat supply and air conditioning system which takes rock and soil mass, underground water or surface water as a low-temperature heat source and consists of a water source heat pump unit, a geothermal energy exchange system and a system in a building. The ground source heat pump system 340 is also a highly efficient renewable energy system, but the energy consumption of the ground source heat pump system 340 is higher than that of the solar air conditioning system 330.
In the building composite energy device of the present invention, the solar air conditioning system 330 and the ground source heat pump system 340 are mutually standby.
The terminal control system can be a temperature and humidity independent control terminal system and comprises a temperature control system and a humidity control system, wherein the humidity control is mainly realized by fresh air dehumidification, and the temperature control is mainly realized by a high-temperature cold source and an indoor radiation system. When the system operates normally, fresh air is preferentially adopted for dehumidification, and when the indoor humidity reaches a certain requirement, the temperature processing module starts to operate. Therefore, in order to ensure the normal operation of the system, the fresh air can be rapidly dehumidified.
As shown in fig. 1, the optimal adaptation method of the composite energy device for a building according to the embodiment of the present invention is mainly used for cooling control of a building (building), that is, a solar air conditioning system 330 and a ground source heat pump system 340 work together to cool the building in summer.
The optimization and adaptation method of the building composite energy device comprises the following steps:
step S110 of obtaining the medium temperature T of the heat storage device of the solar air conditioning system 3301。
In actual implementation, the medium temperature T of the heat storage device1May be obtained by a temperature sensor mounted on the heat storage device, and the heat storage device may be mounted with a plurality of temperature sensors, the above-mentioned medium temperature T1May be an average value of the detection values of the plurality of temperature sensors.
Step S120, at T1≥A1When the solar air conditioning system 330 is started, a control signal for starting a chiller (absorption chiller) of the solar air conditioning system 330 is sent; wherein A is1Is the lower limit value of the start temperature of the chiller of the solar air conditioning system 330.
In this step S120, at T1≥A1Meanwhile, the chiller of the solar air conditioning system 330 is turned on.
It is understood that the solar air conditioning system 330 consumes less energy than the ground source heat pump system 340, and the solar air conditioning system 330 is preferably used for cooling when the turn-on condition of the solar air conditioning system 330 is satisfied.
Step S130, obtaining the enthalpy value h of outdoor airoOutdoor irradiance
Value and indoor air enthalpy value hr；
Wherein the outdoor irradiance
The value can be obtained directly or indirectly by calculation through a sensor arranged outdoors, and the enthalpy value h of outdoor airoCan be obtained directly or indirectly by calculation through a sensor arranged outdoors, and the enthalpy value h of indoor airrThe parameter can be obtained directly or indirectly through calculation by a sensor installed in a room, and the number of the sensors can be multiple, and the corresponding parameters are obtained through an averaging mode.
Step S140, based on the enthalpy value h of the outdoor airoIndoor air enthalpy value hrAnd outdoor irradiance
Determination of the temperature T of the medium1Trend over time.
In practical implementation, the above step S140 is based on the enthalpy value h of the outdoor airoIndoor air enthalpy value hrAnd outdoor irradiance
Value, determining the temperature T of the medium1The trend (c), comprising: medium temperature T based on historical heat storage device1Enthalpy value h of outdoor airoIndoor air enthalpy value hrAnd outdoor irradiance
Determining relationships
Based on relationships
And outdoor air enthalpy value hoIndoor air enthalpy value hrAnd outdoor irradiance
Value, determining the temperature T of the medium1Trend over time.
Therein of the relationship
May be based on T1、
Value hoAnd hrIs obtained by fitting.
Thus based on
The obtained enthalpy value h of the air at present and in a certain future timeoAnd outdoor irradiance
The value can be obtained for the temperature T of the medium in a certain period of time in the future1Trend over time.
Step S150, based on the medium temperature T1And medium temperature T1And determining the real-time efficiency phi of the cold machine of the solar air-conditioning system according to the variation trend of the solar air-conditioning system.
It will be understood that the temperature T of the medium1Directly influencing the real-time efficiency phi and medium temperature T of a cold machine of a solar air conditioning system1The higher the real-time efficiency phi of the cold machine of the solar air conditioning system.
In a practical implementation, the above steps are based on the medium temperature T1Temperature T of medium1Determining real-time efficiency phi of the cooler of the solar air-conditioning system according to the trend, wherein phi is f (T) according to the performance curve phi of the cooler of the solar air-conditioning system1) Determining and the cold machine performance curve phi is f (T)1) Usually described on the corresponding refrigerator.
Medium temperature T determined based on S1401The change of the efficiency phi in a certain period of time in the future can be calculated.
Step S160, determining the time T for the indoor temperature of the building to reach the target value based on the real-time efficiency phi of the cold machine of the solar air-conditioning systemd。
It should be noted that the target value of the building indoor temperature can be set by itself, for example, between 24 ℃ and 27 ℃, the higher the real-time efficiency phi of the cold machine of the solar air conditioning system is, the time T for the building indoor temperature to reach the target value is determineddThe shorter the length.
The real-time efficiency phi of the cold machine of the solar air conditioning system in the step comprises the current real-time efficiency phi and the change of the efficiency phi in a certain time period in the future.
In the actual implementation, the time T for the indoor temperature of the building to reach the target value is determined based on the real-time efficiency phi of the cooler of the solar air conditioning system in step S160dThe method comprises the following steps: real-time efficiency phi of cold machine and building redundancy load Q based on solar air conditioning systemrestAnd real-time efficiency phi of the refrigerator based on the solar air conditioning systemBuilding redundant load QrestAnd time TdRelation T ofd＝f(QrestPhi), determining the time T for the indoor temperature of the building to reach the target valued。
In other words, TdBy building redundant load QrestAnd the chiller efficiency phi.
For building redundant load QrestThe maximum cooling capacity Q of the cooler based on the solar air conditioning systemeAnd building cooling load QcDetermining the building redundancy load Qrest. In particular, formula Q may be appliedrest＝Qe-QcDetermining the building redundancy load Qrest。
The building cold load Qc is composed of heat disturbances such as an enclosure cold load, a building penetration air cooling load, a fresh air cooling load, indoor equipment personnel lighting equipment and the like, the maximum cold supply capacity of the refrigerator is set to be Qe, and the redundant load Qrest is the cold supply capacity left after the refrigerator processes the building cold load.
Step S170, when T is reacheddIs longer than the first set time Ts1And sending a control signal for starting a cold machine of the ground source heat pump system.
In the above step, when T isdIs longer than the first set time Ts1In the meantime, the chiller of the ground source heat pump system is started, that is, if the time that it takes for the chiller of the current solar air conditioning system to lower the indoor temperature to the target value is too long, the chiller of the solar air conditioning system and the chiller of the ground source heat pump system are started simultaneously to perform rapid refrigeration, and the first set time T is sets1Can be set by self.
In the above-mentioned optimization and adjustment method, the temperature T of the medium is compared1Lower limit value A of starting temperature of cooler of solar air conditioning system 3301When T is1≥A1At this time, it means that the water temperature is high enough to drive the chiller of the solar air conditioning system 330 to operate.
On the other hand, the power of the chiller of the solar air conditioning system 330 may be insufficient by comparing the time TdAnd a first set time Ts1And the refrigeration can be ensured to be carried out as soon as possible.
The optimal adjustment method of the building composite energy device provided by the embodiment of the invention fully considers various environments and working parameters, can ensure that the whole device operates in a better working state, and realizes lower energy consumption and more comfortable adjustment experience of a building.
In some embodiments, the method for optimizing the adaptation of a building complex energy device further comprises: step S180, at T1＜A1At this time, a control signal for turning off the chiller of the solar air conditioning system 330 and turning on the chiller of the ground source heat pump system 340 is issued.
In this step, at T1＜A1Meanwhile, the chiller of the solar air conditioning system 330 is turned off and the ground source heat pump system 340 is turned on.
That is to say if the medium temperature T of the thermal storage device1Lower limit value A of starting temperature of cooler smaller than solar air conditioning system 3301If the solar air conditioning system 330 cannot be started, the ground source heat pump system 340 is selected instead for cooling.
When the ground source heat pump system 340 is in operation, indoor temperature data can be collected, and the outlet water temperature of the ground source heat pump system 340 can be adjusted based on the indoor temperature.
In some embodiments, the method for optimizing the adaptation of a building complex energy device further comprises: step S190, when the cold machine and the ground source heat pump system of the solar air conditioning system are both started, when T is useddLess than a second set time Ts2And T is1≥A1And sending a control signal for closing the cold machine of the ground source heat pump system.
In the step, when the cold machine and the ground source heat pump system of the solar air conditioning system are both started, T is carried outdLess than a second set time Ts2And T is1≥A1And when the ground source heat pump system is started, the ground source heat pump system is closed.
In other words, the cold machine and the ground source heat pump system of the solar air conditioning system are both started, so that the indoor temperature of the building is rapidly increased when T isdLess than a second set time Ts2In time, and when the cold machine of the solar air-conditioning system meets the starting condition, only the cold machine of the solar air-conditioning system can be startedAnd the ground source heat pump system is closed to save energy. Wherein the second set time Ts2May be less than the first set time Ts1。
The determination methods (determination logics) in steps S120, S170, S180, and S190 may be used for mode selection when the building complex energy device is started, or may be used for mode switching during operation of the building complex energy device.
In other words, the solar air conditioning system 330 and the ground source heat pump system 340 work together to supply cold to the building under summer working conditions, and the automatic control system of the building collects the operation parameters of the equipment and the system and simultaneously realizes the automatic control (start-stop and mode switching) of the system operation.
In some embodiments, if the current operating mode of the building complex energy device is: the solar air conditioning system 330 is operated, the ground source heat pump system 340 is not operated, and when T is monitored1＜A1In the meantime, the operation mode is switched to change the solar air conditioning system 330 to be not operated, and the ground source heat pump system 340 is operated.
For example, as shown in fig. 2, the method for optimally adapting a composite energy device for a building further includes: acquiring indoor temperature and indoor humidity; when the indoor temperature is in the first target interval and the indoor humidity is in the second target interval, the solar air conditioning system 330 and the ground source heat pump system 340 are kept unchanged.
The first target interval may be a preset temperature interval, the temperature interval may be a fixed temperature interval, or may be manually adjusted and set according to factors such as the current season and the region, and the second target interval may be a preset humidity interval, the humidity interval may be a fixed humidity interval, or may be manually adjusted and set according to factors such as the current season and the region. The first target interval and the second target interval may be pre-stored in the control system 320.
That is, if the current indoor temperature and humidity are both suitable, the composite energy device may be controlled to maintain the current operating mode and operating state, for example, the current operating mode of the solar air conditioning system 330, and if the current indoor environment is within the comfort range (the indoor temperature is within the first target interval, and the indoor humidity is within the second target interval), the controller determines that the entire device remains in the original state.
And when at least one of the indoor temperature and the indoor humidity is not in the corresponding target interval, acquiring the working states of the solar air conditioning system 330 and the ground source heat pump system 340 so as to facilitate subsequent switching or adjustment.
The optimal adjustment method of the invention uploads the parameters of outdoor temperature and humidity, indoor temperature and humidity and medium temperature transmitted by each sensor arranged in the intelligent system of the building to the control system 320, and judges and calculates the real-time data of the basic temperature and humidity parameters outside the building, thereby providing a basis for further application of energy-saving optimal control management, realizing the optimal operation of the whole device and ensuring that the whole device operates in a better working state.
The building complex energy device provided by the embodiment of the invention is described below, and the building complex energy device described below and the optimal adaptation method of the building complex energy device described above may be referred to with each other.
As shown in fig. 2, the composite energy device for construction according to the embodiment of the present invention includes: a solar air conditioning system 330, a ground source heat pump system 340, an information acquisition system 310, and a control system 320.
The information collecting system 310 is used for collecting the medium temperature T of the heat storage device of the solar air conditioning system 3301Outdoor air enthalpy value hoOutdoor irradiance
Enthalpy value h of indoor airr。
The control system 320 is electrically connected to the information collecting system 310, the solar air conditioning system 330 and the ground source heat pump system 340, and the control system 320 is used for controlling the heat pump system at T1≥A1At this time, a control signal for turning on the chiller of the solar air conditioning system 330 is issued, wherein A1Is the lower limit of the start temperature of the chiller of the solar air conditioning system 330; the control system 320 is also configured to control the enthalpy based on the outdoor air enthalpy hoIndoor airEnthalpy value hrAnd outdoor irradiance
Determination of the temperature T of the medium1Trend over time; the control system 320 is also configured to base the media temperature T on1Temperature T of medium1Determining the real-time efficiency phi of the chiller of the solar air conditioning system 330; the control system 320 is also configured to determine a time T for the indoor temperature of the building to reach a target value based on the real-time efficiency φ of the chiller of the solar air conditioning system 330d(ii) a The control system 320 is also used when TdIs longer than the first set time Ts1And then sends out a control signal for starting the ground source heat pump system 340.
The composite energy device for the building provided by the embodiment of the invention fully considers various environments and working parameters, can ensure that the whole device operates in a better working state, and realizes lower energy consumption of the building.
Fig. 3 illustrates a physical structure diagram of an electronic device, which may include, as shown in fig. 3: a processor (processor)810, a communication Interface 820, a memory 830 and a communication bus 840, wherein the processor 810, the communication Interface 820 and the memory 830 communicate with each other via the communication bus 840. The processor 810 may call the logic instructions in the memory 830 to perform a method for optimally adapting a building complex energy device, the method comprising: acquiring the medium temperature T of a heat storage device of the solar air conditioning system1(ii) a At T1≥A1When the solar air conditioning system is started, a control signal for starting a cold machine of the solar air conditioning system is sent, wherein A1The lower limit value of the starting temperature of a cold machine of the solar air-conditioning system; obtaining the enthalpy value h of outdoor airoOutdoor irradiance
Value and indoor air enthalpy value hr(ii) a Based on the enthalpy value h of outdoor airoIndoor air enthalpy value hrAnd outdoor irradiance
Value determination of the medium temperature T1Trend over time; based on the temperature T of the medium1And medium temperature T1Determining the real-time efficiency phi of a cold machine of the solar air-conditioning system according to the variation trend of the solar air-conditioning system; determining the time T for the indoor temperature of the building to reach the target value based on the real-time efficiency phi of the cold machine of the solar air-conditioning systemd(ii) a When T isdIs longer than the first set time Ts1And sending a control signal for starting the ground source heat pump system.
It should be noted that, when being implemented specifically, the electronic device in this embodiment may be a server, a PC, or other devices, as long as the structure includes the processor 810, the communication interface 820, the memory 830, and the communication bus 840 shown in fig. 3, where the processor 810, the communication interface 820, and the memory 830 complete mutual communication through the communication bus 840, and the processor 810 may call the logic instructions in the memory 830 to execute the above method. The embodiment does not limit the specific implementation form of the electronic device.
In addition, the logic instructions in the memory 830 may be implemented in software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Further, embodiments of the present invention disclose a computer program product comprising a computer stored on a non-transitory computer readable storage mediumA computer program comprising program instructions, which when executed by a computer, enable the computer to execute the method for optimizing and adapting a building complex energy device provided by the above method embodiments, the method comprising: acquiring the medium temperature T of a heat storage device of the solar air conditioning system1(ii) a At T1≥A1When the solar air conditioning system is started, a control signal for starting a cold machine of the solar air conditioning system is sent, wherein A1The lower limit value of the starting temperature of a cold machine of the solar air-conditioning system; obtaining the enthalpy value h of outdoor airoOutdoor irradiance
Value and indoor air enthalpy value hr(ii) a Based on the enthalpy value h of outdoor airoIndoor air enthalpy value hrAnd outdoor irradiance
Value determination of the medium temperature T1Trend over time; based on the temperature T of the medium1And medium temperature T1Determining the real-time efficiency phi of a cold machine of the solar air-conditioning system according to the variation trend of the solar air-conditioning system; determining the time T for the indoor temperature of the building to reach the target value based on the real-time efficiency phi of the cold machine of the solar air-conditioning systemd(ii) a When T isdIs longer than the first set time Ts1And sending a control signal for starting the ground source heat pump system.
In another aspect, an embodiment of the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program is implemented by a processor to perform the method for optimizing and adapting a building complex energy device provided in the foregoing embodiments, where the method includes: acquiring the medium temperature T of a heat storage device of the solar air conditioning system1(ii) a At T1≥A1When the solar air conditioning system is started, a control signal for starting a cold machine of the solar air conditioning system is sent, wherein A1The lower limit value of the starting temperature of a cold machine of the solar air-conditioning system; obtaining the enthalpy value h of outdoor airoOutdoor irradiance
Value and indoor air enthalpy value hr(ii) a Based on the enthalpy value h of outdoor airoIndoor air enthalpy value hrAnd outdoor irradiance
Value determination of the medium temperature T1Trend over time; based on the temperature T of the medium1And medium temperature T1Determining the real-time efficiency phi of a cold machine of the solar air-conditioning system according to the variation trend of the solar air-conditioning system; determining the time T for the indoor temperature of the building to reach the target value based on the real-time efficiency phi of the cold machine of the solar air-conditioning systemd(ii) a When T isdIs longer than the first set time Ts1And sending a control signal for starting the ground source heat pump system.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed 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 modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An optimized adaptation method for a building complex energy device, wherein the building complex energy device comprises: the solar air conditioning system and the ground source heat pump system, the optimal adaptation method comprises the following steps:
acquiring the medium temperature T of a heat storage device of the solar air conditioning system1；
At T1≥A1When the solar air conditioning system is started, a control signal for starting a cold machine of the solar air conditioning system is sent, wherein A1The lower limit value of the starting temperature of a cold machine of the solar air-conditioning system;
obtaining the enthalpy value h of outdoor airoOutdoor irradiance
Value and indoor air enthalpy value hr；
Based on the enthalpy value h of outdoor airoIndoor air enthalpy value hrAnd outdoor irradiance
Value, determining the temperature T of the medium1Trend over time;
based on the temperature T of the medium1And medium temperature T1Determining the real-time efficiency phi of a cold machine of the solar air-conditioning system according to the variation trend of the solar air-conditioning system;
determining the time T for the indoor temperature of the building to reach the target value based on the real-time efficiency phi of the cold machine of the solar air-conditioning systemd；
When T isdGreater than the first settingInter Ts1And sending a control signal for starting the ground source heat pump system.
2. The optimal adaptation method for the composite energy device for buildings according to claim 1, characterized in that when the chiller of the solar air conditioning system and the ground source heat pump system are both on, T is the time TdLess than a second set time Ts2And T is1≥A1And sending a control signal for closing the ground source heat pump system.
3. The optimal adaptation method for the composite energy device for buildings according to claim 1, wherein the time T for the indoor temperature of the building to reach the target value is determined based on the real-time efficiency phi of the cold machine of the solar air conditioning systemdThe method comprises the following steps:
real-time efficiency phi of cold machine and building redundancy load Q based on solar air conditioning systemrestAnd the real-time efficiency phi of the refrigerator and the building redundancy load Q based on the solar air conditioning systemrestAnd the time TdRelation T ofd＝f(QrestPhi), determining the time T for the building indoor temperature to reach a target valued；
Wherein the building redundancy load QrestThe residual cooling capacity after the cold machine processes the cold load of the building is achieved.
4. The optimal adaptation method for the composite energy device for buildings according to claim 3, characterized in that the method is based on the maximum cooling capacity Q of the cooler of the solar air conditioning systemeAnd building cooling load QcDetermining said building redundancy load Qrest。
5. The method for optimizing the adaptation of a building complex energy device according to any one of claims 1-4, characterized in that said method is based on an outdoor air enthalpy value hoIndoor air enthalpy value hrAnd outdoor irradiance
Value, determining the temperature T of the medium1Trend over time, including:
medium temperature T based on heat storage device1Enthalpy value h of outdoor airoIndoor air enthalpy value hrAnd outdoor irradiance
History data of (3), determining relationships
Based on relationships
And outdoor air enthalpy value hoIndoor air enthalpy value hrAnd outdoor irradiance
Value, determining the temperature T of the medium1The trend of (c).
6. The optimal adaptation method for the construction composite energy device according to any one of claims 1 to 4, further comprising:
at T1＜A1And sending a control signal for closing the cold machine of the solar air conditioning system and starting the ground source heat pump system.
7. The optimal adaptation method for the construction composite energy device according to any one of claims 1 to 4, further comprising:
acquiring indoor temperature and indoor humidity;
when the indoor temperature is in a first target interval and the indoor humidity is in a second target interval, keeping the solar air conditioning system and the ground source heat pump system unchanged;
and when at least one of the indoor temperature and the indoor humidity is not in the corresponding target interval, acquiring the working states of the solar air conditioning system and the ground source heat pump system.
8. A construction composite energy device, comprising: the system comprises a solar air conditioning system, a ground source heat pump system, an information acquisition system and a control system;
the information acquisition system is used for acquiring the medium temperature T of the heat storage device of the solar air conditioning system1Outdoor air enthalpy value hoOutdoor irradiance
Enthalpy value h of indoor airr；
The control system is electrically connected with the information acquisition system, the solar air conditioning system and the ground source heat pump system, and is used for controlling the solar air conditioning system and the ground source heat pump system at T1≥A1When the solar air conditioning system is started, a control signal for starting a cold machine of the solar air conditioning system is sent, wherein A1The lower limit value of the starting temperature of a cold machine of the solar air-conditioning system; the control system is used for controlling the enthalpy of outdoor airoIndoor air enthalpy value hrAnd outdoor irradiance
Value determination of the medium temperature T1Trend over time; the control system is used for controlling the medium temperature T1Temperature T of medium1Determining the real-time efficiency phi of a cold machine of the solar air-conditioning system according to the variation trend of the solar air-conditioning system; the control system is used for determining the time T for the indoor temperature of the building to reach the target value based on the real-time efficiency phi of the cold machine of the solar air-conditioning systemd(ii) a The control system is used for controlling the time TdIs longer than the first set time Ts1And sending a control signal for starting the ground source heat pump system.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the program implements the steps of the method for optimized adaptation of a building complex energy device according to any one of claims 1-7.
10. A non-transitory computer readable storage medium, on which a computer program is stored, wherein the computer program, when being executed by a processor, implements the steps of the method for optimized adaptation of a building complex energy device according to any one of claims 1-7.
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