CN111336668B - Climate compensation method based on energy storage type heat pump system - Google Patents
Climate compensation method based on energy storage type heat pump system Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 claims abstract description 93
- 238000004364 calculation method Methods 0.000 claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 48
- 230000008878 coupling Effects 0.000 claims description 9
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- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000009423 ventilation Methods 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 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
- 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
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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
- F24F2130/00—Control inputs relating to environmental factors not covered by group F24F2110/00
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Abstract
The invention relates to a climate compensation method based on an energy storage type heat pump system, which comprises the following steps: 1) acquiring meteorological information through a meteorological forecast data acquisition unit, and inputting the meteorological information into a building load calculation module; 2) the building load calculation module is used for inputting meteorological data into the building load model to obtain the predicted load capacity of the building; 3) judging whether energy supply is needed or not according to the estimated load of the building; 4) the energy storage calculating and monitoring module obtains the energy storage demand; 5) judging whether energy storage is needed or not; 6) storing energy; 7) and the energy storage calculation and monitoring module judges whether the energy storage requirement is met or not until the energy storage requirement is met. The invention calculates the building load demand in advance based on the weather forecast data and the building load model, and then completes the advance energy storage according to the load demand by taking an energy storage type heat pump system as a means, thereby reducing the energy consumption waste by using the weather compensation principle, and transferring the load of the heating ventilation air conditioner to realize the peak clipping and valley filling.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a climate compensation method, in particular to a climate compensation method based on an energy storage type heat pump system, and belongs to the technical field of heating and ventilation engineering.
[ background of the invention ]
The current climate compensation technology depends on real-time outdoor air temperature acquisition, then calculates indoor heat (cold) load, and then adjusts heat supply (cold) quantity according to a set compensation curve or a formula so as to realize energy supply according to requirements. However, in practical engineering application, the problems that the compensation amount is not consistent with the actual demand of the building, the selection of the compensation curve or formula depends too much on user experience, building thermal inertia causes compensation delay and the like exist, and the compensation effect cannot reach the expected effect.
In addition, in recent years, as the social electricity utilization load rises in summer and winter, the pressure of a power grid is increased, and electricity limiting measures are taken occasionally. In the building energy consumption, the ratio of the energy consumption of the heating ventilation air conditioner is extremely high, if the energy consumption of the heating ventilation air conditioner can be shifted out from the peak period of electricity utilization, peak clipping and valley filling can be realized, and the peak load of electricity utilization can be effectively reduced.
Therefore, in order to solve the above technical problems, it is necessary to provide an innovative climate compensation method based on an energy storage type heat pump system to overcome the above-mentioned drawbacks in the prior art.
[ summary of the invention ]
In order to solve the above problems, the present invention aims to provide a climate compensation method based on an energy storage type heat pump system, which is simple in calculation and convenient in operation, and is based on weather forecast data and a building load model, the building load demand is calculated in advance, and then the energy storage type heat pump system is used as a means to complete the advance energy storage according to the load demand, so that the energy consumption waste can be reduced by using the climate compensation principle, and the heating ventilation air conditioning load can be transferred, so as to realize 'peak clipping and valley filling'.
In order to achieve the purpose, the invention adopts the technical scheme that: a climate compensation method based on an energy storage type heat pump system adopts a climate compensation control system, and the system comprises a weather forecast data collector, a building load calculation module, a heat pump heat source side temperature monitoring module, a chilled water inlet temperature monitoring module, an energy storage calculation and monitoring module and a heat pump system control module; the weather forecast data collector and the building load calculation module are sequentially connected to the energy storage calculation and monitoring module; the heat pump heat source side temperature monitoring module and the chilled water inlet water temperature monitoring module are also respectively connected to the energy storage calculating and monitoring module; the energy storage calculating and monitoring module is connected with the heat pump system control module;
the climate compensation method specifically comprises the following steps:
1) acquiring meteorological information through a meteorological forecast data acquisition unit, and inputting the meteorological information into a building load calculation module;
2) the building load calculation module is used for inputting meteorological data into the building load model to obtain the predicted load capacity of the building;
3) judging whether energy is needed to be supplied according to the predicted load of the building, if not, stopping running, and if so, inputting the load demand into an energy storage calculation and monitoring module to calculate the energy storage demand;
4) the energy storage calculation and monitoring module obtains the current effective energy storage of the energy storage pool, and the current effective energy storage of the energy storage pool is compared with the load demand to obtain the energy storage demand;
5) judging whether energy storage is needed or not according to the positive and negative of the energy storage demand, if the energy storage demand is negative, stopping running without energy storage, if the energy storage demand is positive, storing energy, and performing next calculation;
6) when energy storage is needed, the energy storage calculating and monitoring module acquires temperature data of the heat source side of the heat pump through the heat source side temperature monitoring module of the heat pump, acquires inlet chilled water temperature data through the inlet chilled water temperature monitoring module, determines a system COP predicted value by combining a three-dimensional surface graph of the coupling relation between the temperature of the built-in heat source side, the inlet chilled water temperature and the COP of the heat pump system, and calculates the starting time and the running time of the heat pump system by combining the energy storage demand; sending the instruction to a heat pump system control module, and starting the heat pump system on time;
7) and the energy storage calculation and monitoring module acquires the current effective energy storage of the energy storage pool when the preset energy storage is finished, judges whether the energy storage requirement is met, stops the system if the energy storage requirement is met, and repeats the energy storage requirement calculation if the energy storage requirement is not met until the energy storage requirement is met.
The climate compensation method based on the energy storage type heat pump system further comprises the following steps: the weather forecast data collector can collect weather forecast data of the place of the building from the China weather data network in real time and input the data into the building load calculation module.
The climate compensation method based on the energy storage type heat pump system further comprises the following steps: the building load calculation module comprises a building load model, obtains a predicted building load demand by inputting meteorological data, and inputs the predicted building load demand into the energy storage calculation and monitoring module.
The climate compensation method based on the energy storage type heat pump system further comprises the following steps: the building load model is established according to the actual building form, building functions and layout, the enclosure structure, the number of personnel, the number of equipment and the like.
The climate compensation method based on the energy storage type heat pump system further comprises the following steps: the heat pump heat source side temperature monitoring module monitors the heat source side temperature in real time and inputs data to the energy storage calculating and monitoring module.
The climate compensation method based on the energy storage type heat pump system further comprises the following steps: the chilled water inlet water temperature monitoring module monitors the chilled water inlet water temperature in real time and inputs data to the energy storage calculating and monitoring module.
The climate compensation method based on the energy storage type heat pump system further comprises the following steps: the energy storage calculating and monitoring module comprises an energy storage calculating module, an energy storage control module and an energy storage pool temperature monitoring module; the energy storage pool temperature monitoring module monitors the temperature of the energy storage pool in real time and calculates the current effective energy storage of the energy storage pool; the energy storage calculation module determines the actually required energy storage according to the difference value between the building load demand and the current effective energy storage of the energy storage pool; the method comprises the steps of obtaining a three-dimensional curved surface diagram of the coupling relation between the temperature of the heat source side, the temperature of inlet chilled water and the COP of the heat pump system in the energy storage control module, determining the COP value of the system according to the temperature of the heat source side, calculating the energy storage amount of the heat pump system per hour, determining the starting time and the running time of the heat pump system by combining the actually required energy storage amount, and inputting data to the control module of the heat pump system.
The climate compensation method based on the energy storage type heat pump system further comprises the following steps: the step 4) is specifically as follows: the energy storage calculation and monitoring module acquires the current effective energy storage of the energy storage pool through the energy storage pool temperature monitoring module, and the current effective energy storage of the energy storage pool is compared with the load demand through the energy storage calculation module to obtain the energy storage demand.
The climate compensation method based on the energy storage type heat pump system further comprises the following steps: the step 6) is specifically as follows: the system comprises an energy storage calculating and monitoring module, a heat pump heat source side temperature monitoring module, a chilled water inlet temperature monitoring module, a system COP predicted value and an energy storage demand calculating module, wherein the energy storage calculating and monitoring module acquires heat pump heat source side temperature data through the heat pump heat source side temperature monitoring module, acquires chilled water inlet temperature data through the chilled water inlet temperature monitoring module, determines the system COP predicted value by combining a three-dimensional surface diagram of the coupling relation between the temperature of a built-in heat source side, the chilled water inlet temperature and the COP of a; and the instruction is sent to the heat pump system control module through the energy storage control module, and the heat pump system is started on time.
The climate compensation method based on the energy storage type heat pump system can also comprise the following steps: the step 7) is specifically as follows: the energy storage calculation and monitoring module acquires the current effective energy storage of the energy storage pool through the energy storage pool temperature monitoring module when the preset energy storage is finished, judges whether the energy storage requirement is met, stops the system if the energy storage requirement is met, and repeats the energy storage requirement calculation if the energy storage requirement is not met until the energy storage requirement is met.
Compared with the prior art, the invention has the following beneficial effects:
1) the building load simulation calculation based on the weather forecast data is realized, the energy storage on demand is realized, the compensation deviation caused by a set compensation curve or formula is effectively avoided, and the energy consumption waste is avoided;
2) according to the actual building load demand and the existing effective energy of the energy storage pool, the actual energy storage demand is obtained, and energy consumption waste caused by excessive energy storage is avoided;
3) the load transfer of the heating ventilation air conditioner is realized, and the peak clipping and valley filling are realized;
4) the actual COP value of the heat pump system is taken as a basis, the running time of the unit is calculated finely, long-time low-efficiency running of the unit and the water pump is avoided, and the energy consumption of the system is effectively reduced.
[ description of the drawings ]
Fig. 1 is a system schematic block diagram of the climate compensation method based on an energy storage type heat pump system of the present invention.
Fig. 2 is a flow chart of the climate compensation method based on the energy storage type heat pump system of the present invention.
[ detailed description ] embodiments
Referring to the attached drawings 1 and 2 in the specification, the invention relates to a climate compensation method based on an energy storage type heat pump system, which adopts a climate compensation control system, and the system comprises a weather forecast data collector 1, a building load calculation module 2, a heat pump heat source side temperature monitoring module 3, a chilled water inlet temperature monitoring module 4, an energy storage calculation and monitoring module 5, a heat pump system control module 6 and the like.
The weather forecast data collector 1 and the building load calculation module 2 are sequentially connected to the energy storage calculation and monitoring module 5. The heat pump heat source side temperature monitoring module 3 and the chilled water inlet water temperature monitoring module 4 are also respectively connected to the energy storage calculating and monitoring module 5. The energy storage calculating and monitoring module 5 is connected with a heat pump system control module 6. The heat pump system control module 6 realizes the start and stop control of the heat pump.
Specifically, the weather forecast data collector 1 can collect weather forecast data of the building location from the China weather data network in real time, and input the data into the building load calculation module 2.
The building load calculation module 2 comprises a building load model 2-1, obtains a predicted building load demand by inputting meteorological data, and inputs the predicted building load demand into the energy storage calculation and monitoring module 5. The building load model 2-1 is established according to the actual building form, building functions and layout, an envelope structure, the number of personnel, the number of equipment and the like.
The heat pump heat source side temperature monitoring module 3 monitors the heat source side temperature in real time and inputs data to the energy storage calculating and monitoring module 5.
The chilled water inlet water temperature monitoring module 4 monitors the chilled water inlet water temperature in real time and inputs data to the energy storage calculating and monitoring module 5.
The energy storage calculating and monitoring module 5 comprises an energy storage calculating module 5-1, an energy storage control module 5-2 and an energy storage pool temperature monitoring module 5-3. The energy storage pool temperature monitoring module 5-3 monitors the temperature of the energy storage pool in real time and calculates the current effective energy storage of the energy storage pool. And the energy storage amount calculation module 5-1 determines the actually required energy storage amount according to the difference between the building load demand and the current effective energy storage amount of the energy storage pool. The energy storage control module 5-2 is internally provided with a three-dimensional curved surface diagram of the coupling relation between the heat source side temperature, the chilled water inlet temperature and the heat pump system COP, and determines the system COP value according to the heat source side temperature, so that the hourly energy storage of the heat pump system is calculated, the opening time and the operation time of the heat pump system are determined by combining the actually required energy storage, and data are input to the heat pump system control module 6.
The climate compensation method based on the energy storage type heat pump system specifically comprises the following steps:
1) weather information is collected by a weather forecast data collector 1 and input to a building load calculation module 2.
2) And the building load calculation module 2 is used for inputting the meteorological data into the building load model 2-1 to obtain the predicted load quantity of the building.
3) And judging whether energy is required to be supplied according to the predicted load of the building, if not, stopping the operation, and if so, inputting the load demand into the energy storage calculation and monitoring module 5 for calculating the energy storage demand.
4) And the energy storage calculation and monitoring module 5 acquires the current effective energy storage of the energy storage pool, and the current effective energy storage of the energy storage pool is compared with the load demand to obtain the energy storage demand. In the embodiment, the energy storage calculation and monitoring module 5 obtains the current effective energy storage of the energy storage pool through the energy storage pool temperature monitoring module 5-3, and the current effective energy storage of the energy storage pool is compared with the load demand through the energy storage calculation module 5-1 to obtain the energy storage demand.
5) And judging whether energy storage is needed or not according to the positive and negative of the energy storage demand, if the energy storage demand is negative, the energy storage is not needed, stopping the operation, if the energy storage demand is positive, the energy storage is needed, and performing the next calculation.
6) When energy storage is needed, the energy storage calculating and monitoring module acquires temperature data of the heat source side of the heat pump through the heat source side temperature monitoring module of the heat pump, acquires inlet chilled water temperature data through the inlet chilled water temperature monitoring module, determines a system COP predicted value by combining a three-dimensional surface graph of the coupling relation between the temperature of the built-in heat source side, the inlet chilled water temperature and the COP of the heat pump system, and calculates the starting time and the running time of the heat pump system by combining the energy storage demand; and sending the instruction to a heat pump system control module to start the heat pump system on time.
In the embodiment, an energy storage calculating module 5-1 in an energy storage calculating and monitoring module 5 acquires heat pump heat source side temperature data through a heat pump heat source side temperature monitoring module 3, acquires chilled water inlet water temperature data through a chilled water inlet water temperature monitoring module 4, determines a system COP predicted value by combining a three-dimensional curved surface diagram of a coupling relation between a built-in heat source side temperature, the chilled water inlet water temperature and a heat pump system COP, and calculates the opening time and the operation duration of the heat pump system by combining energy storage demand; and sends the instruction to the heat pump system control module 6 through the energy storage control module to start the heat pump system on time
7) And the energy storage calculation and monitoring module acquires the current effective energy storage of the energy storage pool when the preset energy storage is finished, judges whether the energy storage requirement is met, stops the system if the energy storage requirement is met, and repeats the energy storage requirement calculation if the energy storage requirement is not met until the energy storage requirement is met.
In the embodiment, the energy storage calculation and monitoring module obtains the current effective energy storage of the energy storage pool through the energy storage pool temperature monitoring module 5-3 when the preset energy storage is finished, and judges whether the energy storage requirement is met, if the energy storage requirement is met, the system stops running, and if the energy storage requirement is not met, the energy storage requirement calculation is repeated until the energy storage requirement is met.
The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.
Claims (7)
1. A climate compensation method based on an energy storage type heat pump system is characterized in that: the system adopts a climate compensation control system, which comprises a weather forecast data collector, a building load calculation module, a heat pump heat source side temperature monitoring module, a chilled water inlet temperature monitoring module, an energy storage calculation and monitoring module and a heat pump system control module; the weather forecast data collector and the building load calculation module are sequentially connected to the energy storage calculation and monitoring module; the heat pump heat source side temperature monitoring module and the chilled water inlet water temperature monitoring module are also respectively connected to the energy storage calculating and monitoring module; the energy storage calculating and monitoring module is connected with the heat pump system control module;
the climate compensation method specifically comprises the following steps:
1) acquiring meteorological information through a meteorological forecast data acquisition unit, and inputting the meteorological information into a building load calculation module; the weather forecast data collector can collect weather forecast data of the place of the building from the China weather data network in real time and input the data into the building load calculation module;
2) the building load calculation module is used for inputting meteorological data into the building load model to obtain the predicted load capacity of the building; the building load calculation module comprises a building load model, obtains the predicted building load by inputting meteorological data, and inputs the predicted building load into the energy storage calculation and monitoring module; the building load model is established according to the actual building form, building functions and layout, an enclosure structure, the number of personnel and the number of equipment;
3) judging whether energy is needed to be supplied according to the predicted load capacity of the building, if not, stopping running, and if so, inputting the predicted load capacity of the building to an energy storage calculation and monitoring module for calculating the energy storage requirement;
4) the energy storage calculation and monitoring module obtains the current effective energy storage of the energy storage pool, and the current effective energy storage of the energy storage pool is compared with the predicted load capacity of the building to obtain the energy storage demand;
5) judging whether energy storage is needed or not according to the positive and negative of the energy storage demand, if the energy storage demand is negative, stopping running without energy storage, if the energy storage demand is positive, storing energy, and performing next calculation;
6) when energy storage is needed, the energy storage calculating and monitoring module acquires temperature data of the heat source side of the heat pump through the heat source side temperature monitoring module of the heat pump, acquires inlet chilled water temperature data through the inlet chilled water temperature monitoring module, determines a system COP predicted value by combining a three-dimensional surface graph of the coupling relation between the temperature of the built-in heat source side, the inlet chilled water temperature and the COP of the heat pump system, and calculates the starting time and the running time of the heat pump system by combining the energy storage demand; sending the instruction to a heat pump system control module, and starting the heat pump system on time;
7) and the energy storage calculation and monitoring module acquires the current effective energy storage of the energy storage pool when the preset energy storage is finished, judges whether the energy storage requirement is met, stops the system if the energy storage requirement is met, and repeats the energy storage requirement calculation if the energy storage requirement is not met until the energy storage requirement is met.
2. The climate compensation method based on an energy storage type heat pump system according to claim 1, wherein: the heat pump heat source side temperature monitoring module monitors the heat source side temperature in real time and inputs data to the energy storage calculating and monitoring module.
3. The climate compensation method based on an energy storage type heat pump system according to claim 1, wherein: the chilled water inlet water temperature monitoring module monitors the chilled water inlet water temperature in real time and inputs data to the energy storage calculating and monitoring module.
4. The climate compensation method based on an energy storage type heat pump system according to claim 1, wherein: the energy storage calculating and monitoring module comprises an energy storage calculating module, an energy storage control module and an energy storage pool temperature monitoring module; the energy storage pool temperature monitoring module monitors the temperature of the energy storage pool in real time and calculates the current effective energy storage of the energy storage pool; the energy storage calculation module determines the actually required energy storage according to the difference value between the estimated load capacity of the building and the current effective energy storage of the energy storage pool; the method comprises the steps of obtaining a three-dimensional curved surface diagram of the coupling relation between the temperature of the heat source side, the temperature of inlet chilled water and the COP of the heat pump system in the energy storage control module, determining the COP value of the system according to the temperature of the heat source side, calculating the energy storage amount of the heat pump system per hour, determining the starting time and the running time of the heat pump system by combining the actually required energy storage amount, and inputting data to the control module of the heat pump system.
5. The climate compensation method based on an energy storage type heat pump system according to claim 4, wherein: the step 4) is specifically as follows: the energy storage calculation and monitoring module acquires the current effective energy storage of the energy storage pool through the energy storage pool temperature monitoring module, and the current effective energy storage of the energy storage pool is compared with the predicted load capacity of the building through the energy storage calculation module to obtain the energy storage demand.
6. The climate compensation method based on an energy storage type heat pump system according to claim 4, wherein: the step 6) is specifically as follows: the system comprises an energy storage calculation module, a heat pump heat source side temperature monitoring module, a chilled water inlet temperature monitoring module, a system COP predicted value and an energy storage demand calculation module, wherein the energy storage calculation module acquires heat pump heat source side temperature data through the heat pump heat source side temperature monitoring module, acquires chilled water inlet temperature data through the chilled water inlet temperature monitoring module, determines the system COP predicted value by combining a three-dimensional surface map of the coupling relation of the built-in heat source side temperature, the chilled water inlet temperature and the heat pump system COP, and calculates; and the instruction is sent to the heat pump system control module through the energy storage control module, and the heat pump system is started on time.
7. The climate compensation method based on an energy storage type heat pump system according to claim 4, wherein: the step 7) is specifically as follows: the energy storage calculation and monitoring module acquires the current effective energy storage of the energy storage pool through the energy storage pool temperature monitoring module when the preset energy storage is finished, judges whether the energy storage requirement is met, stops the system if the energy storage requirement is met, and repeats the energy storage requirement calculation if the energy storage requirement is not met until the energy storage requirement is met.
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