CN114330802A - Air source heat pump energy-saving system based on comprehensive energy management and control method - Google Patents
Air source heat pump energy-saving system based on comprehensive energy management and control method Download PDFInfo
- Publication number
- CN114330802A CN114330802A CN202011078977.7A CN202011078977A CN114330802A CN 114330802 A CN114330802 A CN 114330802A CN 202011078977 A CN202011078977 A CN 202011078977A CN 114330802 A CN114330802 A CN 114330802A
- Authority
- CN
- China
- Prior art keywords
- energy
- heat pump
- source heat
- air source
- information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000005611 electricity Effects 0.000 claims abstract description 73
- 238000004146 energy storage Methods 0.000 claims abstract description 70
- 238000005265 energy consumption Methods 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000013486 operation strategy Methods 0.000 claims description 16
- 238000011217 control strategy Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 230000007613 environmental effect Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 2
- 230000020169 heat generation Effects 0.000 abstract description 2
- 238000007726 management method Methods 0.000 description 61
- 230000003993 interaction Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Images
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Abstract
The invention relates to an air source heat pump energy-saving system and a control method based on comprehensive energy management. The system predicts the follow-up operation time, energy consumption, cold and heat generation amount and cost of the air source heat pump based on historical information, real-time information, temperature prediction information and an electricity price mechanism, a user formulates an actual demand plan based on the prediction information, and the system regulates and controls the operation of the energy storage device and the air source heat pump based on the prediction information and the user demand, so that the air source heat pump utilizes the low valley electricity and the mid-range electricity in the energy storage device as much as possible, and the use amount of the high peak electricity is reduced.
Description
Technical Field
The invention relates to the technical field of comprehensive energy, in particular to an air source heat pump energy-saving system based on comprehensive energy management and a control method.
Background
The comprehensive energy system comprises various energy sources such as cold, heat, electricity, gas and the like, and can provide cold, heat and electric power for users with higher energy efficiency through collaborative optimization integration. The air source heat pump is a key device capable of refrigerating and heating, and has a plurality of points in the aspects of energy efficiency ratio, operation cost, environmental protection characteristic, safety and stability and the like, so that the acceptance and popularity are improved year by year. In 2019, the air source heat pump selects 2019 industrial structure adjustment catalog encouragement categories, which indicates that the air source heat pump enters the national planning category, and also means that the comprehensive energy service provider needs to reasonably and intelligently design and manage the deployment of the air source heat pump when making a comprehensive energy service solution for a user.
The traditional air source heat pump control mode is actually simple interaction between a user and a device, the user controls the temperature change and the running time of the device by controlling the starting and stopping of the device, and the control effect and the control efficiency are lower. Therefore, it is necessary to establish a "brain" between the user and the device, which can integrate the information of the user and the device, and realize deep interaction between the air source heat pump and the user.
In 2018, the national development and improvement committee printed the opinion on innovation and perfection of a green development promoting price mechanism, and clearly indicated that the implementation strength of peak-valley electricity price needs to be increased and price signals are required to be used for guiding power peak clipping and valley filling. The step electricity price system of residents is improved, peak-to-valley electricity prices of residents are pushed, and energy storage development is promoted by utilizing peak-to-valley electricity price differences. The coming of the policy means that the implementation of the peak-valley price mechanism steps into a new step, and also means that the energy storage peak-valley price difference is approved by the authorities. With the coming of the policy, matched policies are also issued in succession in Jiangsu, Shaanxi and the like, and users are encouraged to participate in peak-valley electricity price contracts and utilize energy storage to cut peaks and fill valleys.
Disclosure of Invention
The invention provides an air source heat pump energy-saving system and a control method based on comprehensive energy management, which are characterized in that a comprehensive energy terminal module, a user side intelligent energy utilization module, a comprehensive energy management system server and a comprehensive energy management system are deployed, a way for deep interaction between an air source heat pump system and a user is established, and the perception of the user on the operation information of an air source heat pump and the efficient intelligent operation of the air source heat pump based on the user requirements are realized.
In order to achieve the above object, the present invention provides an air source heat pump energy saving system based on integrated energy management, comprising: the system comprises an outdoor temperature transmitter, an indoor temperature transmitter, a comprehensive energy terminal module, a plurality of user-side intelligent energy utilization modules, a comprehensive energy management system, an energy storage device and an air source heat pump system;
the outdoor temperature transmitter is used for collecting outdoor temperature and outputting a temperature signal to the comprehensive energy terminal module;
the indoor temperature transmitter is used for collecting indoor temperature and outputting a temperature signal to the comprehensive energy terminal module;
the comprehensive energy terminal module is communicated with the outdoor temperature transmitter, the indoor temperature transmitter, the comprehensive energy management system, the energy storage device and the air source heat pump system to acquire and control information; receiving a control strategy sent by the comprehensive energy management system, and controlling the operation of the energy storage device and the air source heat pump system according to the control strategy;
the comprehensive energy management system predicts the operation of the air source heat pump system day by day and transmits the operation to the user side intelligent energy utilization module, a user feeds back demand information through the user side intelligent energy utilization module, and the comprehensive energy management system formulates an operation strategy of the energy storage device and the air source heat pump system according to the demand information;
the energy storage device charges a power grid and supplies power to the air source heat pump system under the control of the comprehensive energy terminal module;
the air source heat pump system conveys cold and heat under the control of the comprehensive energy terminal module.
And the comprehensive energy management system server processes, analyzes, memorizes and stores the information generated by the comprehensive energy management system and the forwarded information of the intelligent energy utilization module at the user side in a data form.
Furthermore, the integrated energy terminal module can also be connected to other energy devices except the energy storage device and the air source heat pump system, and executes control strategy information formed by the integrated energy management system to control the operation of the other energy devices.
Furthermore, the user-side intelligent energy utilization module can display current and historical environmental information, air source heat pump system operation information, electricity price mechanism information, energy storage device operation information, air source heat pump system energy consumption information, cost information and prediction in the day and the future, which are provided by the comprehensive energy management system, to a user, and the user can formulate demand information of the air source heat pump system through the user-side intelligent energy utilization module, wherein the demand information comprises total operation time, indoor temperature setting, operation starting time and operation ending time, and is uploaded to the comprehensive energy management system.
Furthermore, a day-ahead prediction model M is arranged in the integrated energy management system; the prediction model M is established based on the outdoor temperature, the indoor temperature, the total operation time of the air source heat pump system and historical data fitting of the energy consumption, the cold and hot manufacturing quantity, the electricity price mechanism and the cost of the air source heat pump system in the total operation time;
the comprehensive energy management system calculates the total time T for executing two power rates of one day flat power rate and the off-peak power rate based on the operation starting and ending time in the user demand informationGeneral assemblyCalculating total energy consumption W of the air source heat pump system, controlling the energy storage device to finish charging before the operation starting time in the demand information, and preferentially utilizing valley electricity and flat electricity to charge the energy storage device;
and the comprehensive energy management system controls the air source heat pump system to operate according to the demand information and preferentially uses the energy in the energy storage device.
Further, controlling the energy storage device to charge comprises: charging alone with valley power > charging together with valley power and flat-segment power > charging alone with flat-segment power, where > means precedence.
The invention also provides a method for performing energy-saving control by using the air source heat pump energy-saving system based on comprehensive energy management, which comprises the following steps:
establishing a day-ahead prediction model M based on the outdoor temperature, the indoor temperature, the total operation time of the air source heat pump system and historical data of the energy consumption, the cold and hot manufacturing quantity, the electricity price mechanism and the cost of the air source heat pump system in the total operation time, and arranging the model M in the comprehensive energy management system;
the comprehensive energy management system predicts the indoor temperature, the total running time of the air source heat pump system, the energy consumption of the air source heat pump system, the cold and hot manufacturing quantity and the cost of the air source heat pump system on the next day by using a prediction model according to the outdoor temperature predicted value and the electricity price mechanism on the next day locally, and transmits the predicted information to the user through the intelligent energy utilization module on the user side;
the user formulates the demand information of the air source heat pump system of the next day through the intelligent energy utilization module at the user side according to the prediction information, wherein the demand information comprises the total operation time, the indoor temperature setting, the operation starting time and the operation ending time, and the demand information is uploaded to the comprehensive energy management system;
the comprehensive energy management system formulates an operation strategy of the energy storage device and the air source heat pump system according to the demand information of the air source heat pump system and transmits the operation strategy to the comprehensive energy terminal module, and the comprehensive energy terminal module regulates and controls the operation of the energy storage device and the air source heat pump system according to the operation strategy;
and after the execution of the operation strategy is finished, the comprehensive energy management system sends execution information to the intelligent energy utilization module at the user side and stores the execution information.
Further, the integrated energy management system takes the time of acquiring the user demand instruction information as a starting point, the initial starting time of the air source heat pump system in the next day as an end point, and acquires the flat-section electricity price and the low-valley electricity price information in the time interval from the starting point to the end point according to an electricity price mechanism, and thus obtains the total execution time length T of the flat-section electricity price and the low-valley electricity priceGeneral assemblyCalculating total energy consumption W of the air source heat pump system, controlling the energy storage device to finish charging before the operation starting time in the demand information, and preferentially utilizing valley electricity and flat electricity to charge the energy storage device; the integrated energy management system controls the air source heat pump system to operate according to the control signalAnd operating according to the demand information, and preferentially using the energy in the energy storage device.
Further, the charging principle of the energy storage device is as follows: only low-valley electricity and flat-section electricity are used for charging, and high-peak electricity is not used for charging; charging alone with valley power > charging together with valley power and flat-segment power > charging alone with flat-segment power, where > means precedence.
Further, when the air source heat pump system runs, the energy in the energy storage device is preferentially used, and when the energy in the energy storage device is insufficient, the electric quantity of the power grid is reused.
The technical scheme of the invention has the following beneficial technical effects:
(1) the comprehensive energy source heat pump system is provided with the comprehensive energy source terminal module, the user side intelligent energy utilization module, the comprehensive energy source management system server and the comprehensive energy source management system, a way for deep interaction between the air source heat pump system and a user is established, and deep perception of the user on the operation information of the air source heat pump and efficient intelligent operation of the air source heat pump based on user requirements are realized.
(2) The invention fully considers the peak-to-valley electricity price mechanism, establishes the operation principle of the energy storage device, and forms a specific method for peak clipping and valley filling of the energy storage aiming at the operation of the air source heat pump. After the air source heat pump is started, the electric quantity in the energy storage device is preferentially used, and the electric quantity is valley electricity and mid-range electricity, so that the energy-saving characteristic of the air source heat pump is more obvious, and the energy-saving characteristic is mainly shown in that the using quantity of peak price electricity can be reduced when the electricity consumption is high.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1, the air source heat pump energy saving system based on integrated energy management includes an outdoor temperature transmitter, an indoor temperature transmitter, an integrated energy terminal module, a user-side intelligent energy utilization module, an integrated energy management system server, an integrated energy management system, an energy storage device, and an air source heat pump system.
The outdoor temperature transmitter and the indoor temperature transmitter are used for collecting outdoor and indoor temperatures and outputting temperature signals to the comprehensive energy terminal module, one outdoor temperature transmitter is generally arranged, and a plurality of indoor temperature transmitters can be arranged according to needs.
And the comprehensive energy terminal module can be communicated with the temperature transmitter, the comprehensive energy management system, the energy storage device and the air source heat pump system and is used for information acquisition and device control. Particularly, the comprehensive energy terminal module can be connected with other energy equipment such as cold, heat, electricity, gas and the like besides the air source heat pump and the energy storage device, can receive, store and execute control strategy information formed by the comprehensive energy management system, and generates a specific control instruction by combining the control strategy to control the operation of the energy storage device and the air source heat pump.
The intelligent energy utilization module at the user side and the interactive module for performing uplink and downlink communication with the comprehensive energy management system. Particularly, the intelligent energy utilization module at the user side can display current and historical environmental information, air source heat pump operation information, electricity price mechanism information, energy storage device operation information, air source heat pump energy consumption information and cost information which are provided by the comprehensive energy management system, and a user can make an operation plan of the air source heat pump through the intelligent energy utilization module and upload required information to the comprehensive energy management system.
The comprehensive energy management system server can access local temperature prediction information and related electricity price mechanisms, such as peak-valley electricity price information, subsequently predicted cost of the air source heat pump and the correlation of the cost. The information and the information of the comprehensive energy terminal module, the information of the intelligent energy utilization module at the user side and the information generated by the comprehensive energy management system are processed, analyzed, memorized and stored in a data form, and one or more servers of the comprehensive energy management system can be configured as required.
The comprehensive energy management system is a computer system comprising software and hardware, integrates energy management and optimization control technologies, and can realize efficient and flexible interaction between an energy supply side and a demand side. Particularly, the comprehensive energy management system predicts the operation of the air source heat pump day by day and transmits the predicted operation to the intelligent energy utilization module at the user side by acquiring and analyzing historical and real-time data in the server of the comprehensive energy management system, formulates an operation strategy of the energy storage device and the air source heat pump according to demand information formulated by the user in the intelligent energy utilization module at the user side, and transmits a control strategy signal to the comprehensive energy terminal module. The operation strategies of the energy storage device and the air source heat pump specifically comprise: the comprehensive energy management system takes the moment of acquiring the instruction information of the user demand as a starting point, the initial starting moment of the air source heat pump system in the next day as an end point, and according to a power price mechanism, the information of the flat-section power price and the low-valley power price in the time interval from the starting point to the end point is acquired, and the total time length T for executing the flat-section power price and the low-valley power price is obtainedGeneral assemblyCalculating total energy consumption W of the air source heat pump system, controlling the energy storage device to finish charging before the operation starting time in the demand information, and preferentially utilizing valley electricity and flat electricity to charge the energy storage device; and the comprehensive energy management system controls the air source heat pump system to operate according to the demand information and preferentially uses the energy in the energy storage device. And after the execution of the operation strategy is finished, the comprehensive energy management system sends execution information to the intelligent energy utilization module at the user side and stores the execution information.
The energy storage device at the user side can receive a control command transmitted by the comprehensive energy management system and forwarded by the comprehensive energy terminal module, and can supply power to the air source heat pump and is only used for supplying power to the air source heat pump by charging through a power grid;
the air source heat pump system can transmit cold and heat to the system, can upload operation information to the comprehensive energy terminal module, and can receive control instructions transmitted by the comprehensive energy terminal module and sent by the comprehensive energy management system. An energy-saving method of an air source heat pump based on comprehensive energy management comprises the following steps:
the method comprises the following steps: the integrated energy management system firstly bases on a series of information in a user historical information database, including the outdoor temperature tOutdoor history(t1、t2、t3...), indoor temperature tIndoor history(t1、t2、t3...), total time T of operation of the air source heat pumpHistorical operation(T1、T2、T3...) and energy consumption W of air source heat pump during operationHistory of(W1、W2、W3...), cold-hot manufacturing quantity QHistory of(Q1、Q2、Q3...), the mechanism of electricity price PHistory of(P1、P2、P3...), cost CHistory of(C1、C2、C3...) to establish a day-ahead prediction model M { t ] of the operation of the air source heat pumpOutdoor history,tIndoor history,THistorical operation,WHistory of,QHistory of,PHistory of,CHistory of}. Wherein, the user basic information and the regional electricity price mechanism information are respectively shown in table 1 and table 2.
TABLE 1A basic information of a certain office building in the middle of China
TABLE 2 time-of-use electricity price table for peak and valley of power grid in this area
Step two: the comprehensive energy management system utilizes a prediction model to predict the indoor temperature t of the same scene () one day after according to the predicted temperature value of the local one day after and the electricity price mechanism received by the serverIndoor predictionTotal running time T of air source heat pumpPredictive operationEnergy consumption WPredictionRefrigerating capacity QPredictionAnd a fee CPredictionMake predictions and communicate through a user-side smart energy usage moduleTo the user. The same scene refers to the same place, during actual prediction, the outdoor temperature predicted value and the electricity price information of the next day after the local place are input, and the output contents are the total operation time, the energy consumption, the refrigerating capacity and the cost of the heat pump and are objective prediction of the next day; an example of this step is shown in Table 3.
TABLE 3 air source heat pump operation prediction information of office building A based on integrated energy management system (7/21/2019, prediction 7/22/2019)
Step three: the user formulates an air source heat pump operation plan based on actual demands of the user in the next day through the intelligent energy utilization module at the user side according to the prediction information, wherein the operation plan comprises all starting moments T of the air source heat pumpStarting up(T1、T2、T3...), wherein the initial start time is T1End time TEnd up(Ta、Tb、Tc...), length of time T of operationOperation of(T1’、T2’、T3'..) and temperature setting t (t) for each operating period1、t2、t3...), examples of this step are shown in Table 4.
TABLE 4 air source heat pump planned operation information based on actual user demand
Step four: the comprehensive energy management system formulates an operation strategy of the energy storage device and the air source heat pump system according to the demand information of the air source heat pump system, and transmits the operation strategy to the comprehensive energy terminal module, and the comprehensive energy terminal module regulates and controls the operation of the energy storage device and the air source heat pump system according to the operation strategy.
The total time length T of the comprehensive energy management system operating according to the requirement of the air source heat pumpGeneral assembly＝T1’+T2’+T3A total energy consumption W required for the operation of the air source heat pump is obtained, and an example of the step is shown in table 5.
TABLE 5 Total duration and energy consumption of air source heat pump
| Total planned operating time TGeneral assembly＝T1’+T2’ | Total energy consumption W |
| 9 hours | 623kWh |
Step five: time t for integrated energy management system to acquire user demand instruction informationaAs a starting point, the initial starting time T of the air source heat pump is carried out for the next day1For the end point, the current day t is obtained according to the electricity price mechanism P in the systemaUntil the next day T1The flat section electricity price and the low valley electricity price information in the interval time are obtained, and the total time length T of the execution of the flat section electricity price and the low valley electricity price is obtained according to the flat section electricity price and the low valley electricity priceGeneral assemblyExamples of the present step are shown in Table 6.
TABLE 6 Interval time and Total duration of Flat and off-Peak Power execution
| Starting point ta | End point T1 | Total time length T for execution of two electricity ratesGeneral assembly |
| 2019.7.21，23：00 | 2019.7.22，9：00 | 9 hours (23: 00-8: 00) |
The comprehensive energy management system issues a control instruction to the energy storage device through the comprehensive energy terminal module, the energy storage device is controlled to be charged, and the charging principle of the energy storage device is as follows: first, only at taTo T1Charging in the time interval; secondly, only low-valley electricity and flat-section electricity are used for charging, namely, high-peak electricity is not used for charging; thirdly, the principle of charging priority is as follows: the method comprises the following steps of utilizing off-peak electricity to charge independently, utilizing off-peak electricity and flat-section electricity to charge together, and utilizing flat-section electricity to charge independently; fourth, no matter TGeneral assemblyIf the charging capacity is larger than W in time, the energy storage device is not operated, and the step is shown in table 7.
TABLE 7 energy storage device operating information
Further, according to user setting, when the air source heat pump starts to operate, the energy in the energy storage device is preferentially used, and when the energy of the energy storage device is insufficient, the electric quantity of the power grid is reused. When the air source heat pump operates in the peak power execution period, the air source heat pump preferentially utilizes the off-peak power and the mid-range power operation in the energy storage device, so that the usage amount of the peak price power is reduced, and the step is as shown in the table 8.
TABLE 8 operating energy consumption situation of air source heat pump
Step six: after the execution of the operation plan is finished, the integrated energy management system sends actual information of the execution, including energy consumption information, peak electric quantity energy saving amount, cost information and other information, to the user through the user-side intelligent energy utilization module and stores the actual information in the database, and the step is shown in table 9.
TABLE 9 executive information
In summary, the invention relates to an air source heat pump energy saving system and a control method based on comprehensive energy management, and the system comprises an indoor and outdoor temperature transmitter, a comprehensive energy terminal module, a user-side intelligent energy utilization module, a comprehensive energy management system server, a comprehensive energy management system, an energy storage device and an air source heat pump. The system predicts the follow-up operation time, energy consumption, cold and heat generation amount and cost of the air source heat pump based on historical information, real-time information, temperature prediction information and an electricity price mechanism, a user formulates an actual demand plan based on the prediction information, and the system regulates and controls the operation of the energy storage device and the air source heat pump based on the prediction information and the user demand, so that the air source heat pump utilizes the low valley electricity and the mid-range electricity in the energy storage device as much as possible, and the use amount of the high peak electricity is reduced.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. An air source heat pump energy-saving system based on comprehensive energy management is characterized by comprising: the system comprises an outdoor temperature transmitter, an indoor temperature transmitter, a comprehensive energy terminal module, a plurality of user-side intelligent energy utilization modules, a comprehensive energy management system, an energy storage device and an air source heat pump system;
the outdoor temperature transmitter is used for collecting outdoor temperature and outputting a temperature signal to the comprehensive energy terminal module;
the indoor temperature transmitter is used for collecting indoor temperature and outputting a temperature signal to the comprehensive energy terminal module;
the comprehensive energy terminal module is communicated with the outdoor temperature transmitter, the indoor temperature transmitter, the comprehensive energy management system, the energy storage device and the air source heat pump system to acquire and control information; receiving a control strategy sent by the comprehensive energy management system, and controlling the operation of the energy storage device and the air source heat pump system according to the control strategy;
the comprehensive energy management system predicts the operation of the air source heat pump system day by day and transmits the operation to the user side intelligent energy utilization module, the user side intelligent energy utilization module receives user demand information, and the comprehensive energy management system formulates an operation strategy of the energy storage device and the air source heat pump system according to the demand information;
the energy storage device charges a power grid and supplies power to the air source heat pump system under the control of the comprehensive energy terminal module;
the air source heat pump system conveys cold and heat under the control of the comprehensive energy terminal module.
2. The air source heat pump energy-saving system based on integrated energy management as claimed in claim 1, further comprising an integrated energy management system server accessing local temperature prediction information and electricity price mechanism, wherein the integrated energy management system server processes, analyzes, memorizes and stores the information generated by the integrated energy management system and the forwarded information of the user-side intelligent energy-using module in data form.
3. The air source heat pump energy-saving system based on the integrated energy management system according to claim 1 or 2, wherein the integrated energy terminal module is further capable of accessing other energy devices except the energy storage device and the air source heat pump system, and executing the control strategy information formed by the integrated energy management system to control the operation of the other energy devices.
4. The integrated energy management-based air source heat pump economizer system of claim 1 or 2, characterized in that: the intelligent energy utilization module at the user side can display current and historical environmental information, air source heat pump system operation information, electricity price mechanism information, energy storage device operation information, air source heat pump system energy consumption information, cost information and prediction in the day and the future provided by the comprehensive energy management system to a user, and the user can formulate demand information of the air source heat pump system through the intelligent energy utilization module at the user side, including total operation time, indoor temperature setting, operation starting and ending time, and upload the demand information to the comprehensive energy management system.
5. The integrated energy management-based air source heat pump energy saving system of claim 4, wherein: a day-ahead prediction model M is arranged in the comprehensive energy management system; the prediction model M is established based on the outdoor temperature, the indoor temperature, the total operation time of the air source heat pump system and historical data fitting of the energy consumption, the cold and hot manufacturing quantity, the electricity price mechanism and the cost of the air source heat pump system in the total operation time;
the comprehensive energy management system calculates the total time T for executing two power rates of one day flat power rate and the off-peak power rate based on the operation starting and ending time in the user demand informationGeneral assemblyCalculating total energy consumption W of the air source heat pump system, controlling the energy storage device to finish charging before the operation starting time in the demand information, and preferentially utilizing valley electricity and flat electricity to charge the energy storage device;
and the comprehensive energy management system controls the air source heat pump system to operate according to the demand information and preferentially uses the energy in the energy storage device.
6. The energy-saving system of air-source heat pump based on integrated energy management as claimed in claim 5, wherein: controlling the energy storage device to charge comprises: charging alone with valley power > charging together with valley power and flat-segment power > charging alone with flat-segment power, where > means precedence.
7. A method for energy-saving control by using the integrated energy management based air source heat pump economizer system of any one of claims 1-6, comprising:
establishing a day-ahead prediction model M based on the outdoor temperature, the indoor temperature, the total operation time of the air source heat pump system and historical data of the energy consumption, the cold and hot manufacturing quantity, the electricity price mechanism and the cost of the air source heat pump system in the total operation time, and arranging the model M in the comprehensive energy management system;
the comprehensive energy management system predicts the indoor temperature, the total running time of the air source heat pump system, the energy consumption of the air source heat pump system, the cold and hot manufacturing quantity and the cost of the air source heat pump system on the next day by using a prediction model according to the outdoor temperature predicted value and the electricity price mechanism on the next day locally, and transmits the predicted information to the user through the intelligent energy utilization module on the user side;
the user formulates the demand information of the air source heat pump system of the next day through the intelligent energy utilization module at the user side according to the prediction information, wherein the demand information comprises the total operation time, the indoor temperature setting, the operation starting time and the operation ending time, and the demand information is uploaded to the comprehensive energy management system;
the comprehensive energy management system formulates an operation strategy of the energy storage device and the air source heat pump system according to the demand information of the air source heat pump system and transmits the operation strategy to the comprehensive energy terminal module, and the comprehensive energy terminal module regulates and controls the operation of the energy storage device and the air source heat pump system according to the operation strategy;
and after the execution of the operation strategy is finished, the comprehensive energy management system sends execution information to the intelligent energy utilization module at the user side and stores the execution information.
8. The method of performing energy saving control according to claim 7, wherein: the comprehensive energy management system takes the moment of acquiring the user demand instruction information as a starting point, and the air source heat pump system is used for the next dayThe initial starting time of the system is an end point, and according to a power price mechanism, the information of the flat section power price and the low valley power price in the time interval from the starting point to the end point is obtained, and the total time length T for executing the flat section power price and the low valley power price is obtained according to the information of the flat section power price and the low valley power priceGeneral assemblyCalculating total energy consumption W of the air source heat pump system, controlling the energy storage device to finish charging before the operation starting time in the demand information, and preferentially utilizing valley electricity and flat electricity to charge the energy storage device; and the comprehensive energy management system controls the air source heat pump system to operate according to the demand information and preferentially uses the energy in the energy storage device.
9. The method of performing energy saving control according to claim 8, wherein: the charging principle of the energy storage device is as follows: only low-valley electricity and flat-section electricity are used for charging, and high-peak electricity is not used for charging; charging alone with valley power > charging together with valley power and flat-segment power > charging alone with flat-segment power, where > means precedence.
10. The method of performing energy saving control according to claim 9, wherein: when the air source heat pump system runs, the energy in the energy storage device is preferentially used, and when the energy in the energy storage device is insufficient, the electric quantity of a power grid is reused.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011078977.7A CN114330802A (en) | 2020-10-10 | 2020-10-10 | Air source heat pump energy-saving system based on comprehensive energy management and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011078977.7A CN114330802A (en) | 2020-10-10 | 2020-10-10 | Air source heat pump energy-saving system based on comprehensive energy management and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114330802A true CN114330802A (en) | 2022-04-12 |
Family
ID=81031711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011078977.7A Pending CN114330802A (en) | 2020-10-10 | 2020-10-10 | Air source heat pump energy-saving system based on comprehensive energy management and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114330802A (en) |
-
2020
- 2020-10-10 CN CN202011078977.7A patent/CN114330802A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109063925B (en) | Optimized operation method for regional comprehensive energy system considering load aggregators | |
| AU2012212224B2 (en) | System and method for estimating and providing dispatchable operating reserve energy capacity through use of active load management | |
| CN104040829B (en) | The load that solar energy for photovoltaic system synchronizes | |
| CN102055215B (en) | Control method and operation monitoring system of charging and exchanging station of electric vehicle | |
| TW201716786A (en) | Distributed energy system edge unit | |
| US10295969B2 (en) | System and method for generating and providing dispatchable operating reserve energy capacity through use of active load management | |
| US20120226384A1 (en) | System and method for generating and providing dispatchable operating reserve energy capacity through use of active load management | |
| US20120239219A1 (en) | System and method for estimating and providing dispatchable operating reserve energy capacity through use of active load management | |
| CN102185332B (en) | Method for controlling exchanging power between microgrid and large power grid | |
| AU2012212224A1 (en) | System and method for estimating and providing dispatchable operating reserve energy capacity through use of active load management | |
| EP2494736B1 (en) | Method of controlling network system | |
| TW201610901A (en) | Systems and methods for energy cost optimization | |
| CN102148534A (en) | Power grid system and management method thereof | |
| CN113839423B (en) | Control management method, device, equipment and storage medium | |
| CN107612017A (en) | Wind-electricity integration intelligent control system based on demand response and distributed energy storage | |
| EP3317934A1 (en) | Microgrid controller for distributed energy systems | |
| US20190086985A1 (en) | Electrical power management | |
| CN112413702B (en) | Method and system for matching heat accumulating type electric heating load with distribution network area | |
| CN112381474B (en) | Method for participating in electric power auxiliary peak shaving by user side resource aggregation | |
| CN114330802A (en) | Air source heat pump energy-saving system based on comprehensive energy management and control method | |
| Fan et al. | An optimization management strategy for energy efficiency of air conditioning loads in smart building | |
| CN107563547B (en) | Comprehensive energy management and control method for optimizing depth of energy consumption of user side | |
| KR20160136142A (en) | Apparatus for managing energy based on energy cost of energy eqipment and energy resource and method threreof | |
| CN113283649B (en) | Method, device, equipment and medium for controlling energy efficiency of supply and demand cooperative operation | |
| CN112215720B (en) | Control method of intelligent power grid control system based on renewable energy power generation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |