CN116678075A - Energy-saving control method and system for air conditioner - Google Patents

Energy-saving control method and system for air conditioner Download PDF

Info

Publication number
CN116678075A
CN116678075A CN202310664010.4A CN202310664010A CN116678075A CN 116678075 A CN116678075 A CN 116678075A CN 202310664010 A CN202310664010 A CN 202310664010A CN 116678075 A CN116678075 A CN 116678075A
Authority
CN
China
Prior art keywords
control
air conditioner
target
determining
parameters
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
Application number
CN202310664010.4A
Other languages
Chinese (zh)
Inventor
史名航
温涛
杨帆
钟伟雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiangjiang Technology Co Ltd
Original Assignee
Xiangjiang Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xiangjiang Technology Co Ltd filed Critical Xiangjiang Technology Co Ltd
Priority to CN202310664010.4A priority Critical patent/CN116678075A/en
Publication of CN116678075A publication Critical patent/CN116678075A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46Improving electric energy efficiency or saving
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The application discloses an air conditioner energy-saving control method and system, and relates to the technical field of intelligent control, wherein the method comprises the following steps: a temperature threshold value is configured in a time interval, and start and stop control of the target air conditioner is performed; dividing a target area, carrying out area load calculation along with the starting of a target air conditioner, and determining a real-time load value; collecting a variable frequency control domain of a target air conditioner; determining an initial control parameter based on the real-time load value; adjusting and optimizing initial control parameters based on a region simulation model by combining a variable frequency control domain, and determining target control parameters; and transmitting the target control parameters to a central control system, determining synchronous braking parameters, and carrying out regional variable frequency energy-saving control on the target air conditioner based on the synchronous braking parameters. The application solves the technical problems of high energy consumption and short service life of the air conditioner caused by unreasonable control method in the prior art, and achieves the technical effects of reducing the energy consumption of the air conditioner and prolonging the service life by performing point-to-point control on the air conditioner in different areas.

Description

Energy-saving control method and system for air conditioner
Technical Field
The application relates to the technical field of intelligent control, in particular to an air conditioner energy-saving control method and system.
Background
The control mode of the prior central air conditioning system basically adopts a traditional constant flow control mode, namely, the flow of the refrigerating water of the air conditioner, the flow of the cooling water and the air quantity of the fan of the cooling tower are constant. The control mode has the advantages of simple system, no need of complex automatic control equipment, but the problems of energy waste, multiple faults, short service life of the air conditioner and the like.
Disclosure of Invention
The application provides an energy-saving control method and an energy-saving control system for an air conditioner, which are used for solving the technical problems of high energy consumption and short service life of the air conditioner caused by unreasonable control method in the prior art.
In a first aspect of the present application, there is provided an air conditioner energy saving control method, the method comprising: a temperature threshold value is configured in a time interval, and start and stop control of the target air conditioner is performed based on the temperature threshold value; dividing a target area, carrying out area load calculation based on an area division result along with the starting of the target air conditioner, and determining a real-time load value, wherein the real-time load value corresponds to the area division result one by one and refers to a cold load or a heat load; collecting a variable frequency control domain of the target air conditioner; determining an initial control parameter based on the real-time load value; adjusting and optimizing the initial control parameters based on a region simulation model by combining the variable frequency control domain, and determining target control parameters, wherein the target control parameters are in one-to-one correspondence with the target air conditioners; transmitting the target control parameters to a central control system, and determining synchronous braking parameters, wherein the synchronous braking parameters are used for synchronous braking control according to the region division result; and carrying out regional variable frequency energy-saving control on the target air conditioner based on the synchronous braking parameters.
In a second aspect of the present application, there is provided an air conditioner energy saving control system, the system comprising: the air conditioner start-stop control module is used for configuring a temperature threshold value in a time interval and performing start-stop control of the target air conditioner based on the temperature threshold value; the real-time load value determining module is used for dividing a target area, carrying out area load calculation based on an area dividing result along with the starting of the target air conditioner, and determining a real-time load value, wherein the real-time load value corresponds to the area dividing result one by one and refers to cold load or hot load; the variable frequency control domain acquisition module is used for acquiring a variable frequency control domain of the target air conditioner; the initial control parameter determining module is used for determining initial control parameters based on the real-time load value; the target control parameter determining module is used for combining the variable frequency control domain, adjusting and optimizing the initial control parameters based on a region simulation model, and determining target control parameters, wherein the target control parameters are in one-to-one correspondence with the target air conditioner; the synchronous braking parameter determining module is used for transmitting the target control parameter to a central control system to determine a synchronous braking parameter, and the synchronous braking parameter is used for synchronous braking control according to the region division result; and the regional variable frequency energy-saving control module is used for carrying out regional variable frequency energy-saving control on the target air conditioner based on the synchronous braking parameters. One or more technical schemes provided by the application have at least the following technical effects or advantages:
the application provides an energy-saving control method of an air conditioner, which relates to the technical field of intelligent control and is used for controlling the start and stop of a target air conditioner by allocating a temperature threshold value in a time interval; dividing a target area, carrying out area load calculation along with the starting of a target air conditioner, and determining a real-time load value; collecting a variable frequency control domain of a target air conditioner; determining an initial control parameter based on the real-time load value; adjusting and optimizing initial control parameters based on a region simulation model by combining a variable frequency control domain, and determining target control parameters; the target control parameters are transmitted to the central control system, the synchronous braking parameters are determined, the regional variable frequency energy-saving control is carried out on the target air conditioner based on the synchronous braking parameters, the technical problems of high air conditioner energy consumption and short service life caused by unreasonable control methods in the prior art are solved, and the technical effects of reducing the air conditioner energy consumption and prolonging the service life by carrying out point-to-point control on air conditioners in different areas are realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of an energy-saving control method of an air conditioner according to an embodiment of the present application;
fig. 2 is a schematic flow chart of determining a target control parameter in the air conditioner energy saving control method according to the embodiment of the present application;
fig. 3 is a schematic flow chart of acquiring N groups of adjustment control parameters in the air conditioner energy-saving control method according to the embodiment of the application;
fig. 4 is a schematic structural diagram of an energy-saving control system for an air conditioner according to an embodiment of the present application.
Reference numerals illustrate: the system comprises an air conditioner start-stop control module 11, a real-time load value determination module 12, a variable frequency control domain acquisition module 13, an initial control parameter determination module 14, a target control parameter determination module 15, a synchronous braking parameter determination module 16 and a zoned variable frequency energy-saving control module 17.
Detailed Description
The application provides an energy-saving control method of an air conditioner, which is used for solving the technical problems of high energy consumption and short service life of the air conditioner caused by unreasonable control method in the prior art.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It is noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of the present application and in the foregoing figures, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or server comprising a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus, but may include other steps or modules not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
As shown in fig. 1, the present application provides an air conditioner energy saving control method, which includes:
s100: a temperature threshold value is configured in a time interval, and start and stop control of the target air conditioner is performed based on the temperature threshold value;
specifically, the temperature control nodes are divided according to different season periods, and corresponding temperature thresholds are set for different periods, for example, the nodes are divided in the season, and the nodes can be roughly divided into a summer cooling period and a winter heating period, or the periods are divided according to a temperature change of one day, for example, the highest temperature of one day in summer is 2 pm. According to the highest temperature of the local summer, a high temperature threshold of the summer is set, the cooling load calculation can be carried out according to the high temperature threshold of the summer, the low temperature threshold of the winter is set according to the lowest temperature of the local winter, the corresponding heating load calculation is carried out, then the cooling/heating time is calculated according to the cooling/heating efficiency of the target air conditioner, and the start and stop control of the target air conditioner is carried out.
S200: dividing a target area, carrying out area load calculation based on an area division result along with the starting of the target air conditioner, and determining a real-time load value, wherein the real-time load value corresponds to the area division result one by one and refers to a cold load or a heat load;
specifically, the cooling/heating area division is performed according to the area size of the target area, the building use function and the like, along with the starting of the target air conditioner, the load calculation of each area is performed based on the area division result, and the real-time load value of each area is determined, wherein the real-time load value corresponds to each area in the area division result one by one and can be a cooling load or a heating load, and the real-time load value can be used for determining the initial control parameter of the target air conditioner.
Further, step S200 of the embodiment of the present application further includes:
s210: based on local sensing equipment, multi-source heat/cold load acquisition is carried out, and regional sensing data are determined, wherein the regional sensing data are provided with acquisition source identifiers;
s220: identifying the acquisition source identifier, carrying out regular summation on the regional sensing data, and determining a multi-source heat/cold load value;
s230: and traversing the regional division result to perform regional space load calculation based on the multi-source heat/cold load value, and obtaining the real-time load value.
Further, step S200 of the embodiment of the present application further includes:
s231: obtaining a load calculation formula:
wherein q is a cold/hot index, S is a regional area, ε i Configuring weight values for different heat/cold load sources, f i-1 For a heterogeneous companion heat/cold load value, n is the number of load source types.
Specifically, local sensing equipment such as a temperature sensor, a humidity sensor, a thermometer and the like is respectively installed in each divided area, and multi-source heat/cold load acquisition of each area is performed through the local sensing equipment, wherein the multi-source heat/cold load refers to loads from different sources, such as the increase of air conditioning refrigeration load caused by equipment heat dissipation, and regional sensing data of each area is determined, and the regional sensing data are provided with acquisition source identifiers and can be used for distinguishing the source of each sensing data. Identifying the acquisition source identification of each regional sensing data, carrying out regular summation on the sensing data from the same acquisition source, determining a multi-source heat/cold load value, traversing each region in the regional division result based on the multi-source heat/cold load value to carry out regional space load calculation, and calculating a real-time load value corresponding to each divided region, wherein a load calculation formula can be as follows:wherein q is a cold/hot index, S is a regional area, ε i Configuring weight values for different heat/cold load sources, f i-1 For heterologous concomitant heat/cold load values, for example: cooling load-illumination heat dissipation, equipment heat dissipation, human body heat dissipation, external environment heat conduction of materials and the like, wherein n is the number of load source types. The real-time load value may be used to determine an initial control parameter of the target air conditioner.
S300: collecting a variable frequency control domain of the target air conditioner;
specifically, through the equipment nameplate of target air conditioner, gather the frequency conversion regulation and control scope of target air conditioner, the air conditioner frequency conversion is that the structure at fixed frequency air conditioner has installed a converter additional to added a fuzzy control technique, thereby let the power supply frequency of air conditioner compressor obtain the change, and let the rotational speed frequency of air conditioner also obtain the change, let the air conditioner become more energy-conserving, silence, and also can become more accurate in the control by temperature change face. The variable frequency control domain comprises adjustable intervals of the rotating speed, the displacement, the wind speed and the like of the air conditioner compressor, mainly aims at adjusting and controlling the rotating speed and the displacement of the compressor, is assisted by other wind speeds and the like, and can be used as reference data for optimizing control parameters subsequently.
S400: determining an initial control parameter based on the real-time load value;
specifically, the initial control parameters of the target air conditioner of each area are determined based on the real-time load values, the initial control parameters comprise the wind speed, the wind direction, the compressor rotation speed, the compressor displacement, the temperature value and the like of the air conditioner, the requirements of the real-time load values are met through the control of the parameters such as the wind speed, the wind direction and the compressor rotation speed of the air conditioner, and the initial control parameters can serve as basic data for subsequently determining the target control parameters.
S500: adjusting and optimizing the initial control parameters based on a region simulation model by combining the variable frequency control domain, and determining target control parameters, wherein the target control parameters are in one-to-one correspondence with the target air conditioners;
specifically, in combination with the adjustable range of each air conditioner parameter in the variable frequency control domain, a virtual simulation technology is used for air conditioner control simulation, based on the effect of air conditioner control by using the initial control parameters in the area simulation model, an access point where the air conditioner control parameters can be optimized is searched, the initial control parameters are adjusted based on the optimized access point, and the optimal adjustment parameters are screened out and used as target control parameters, wherein the target control parameters are in one-to-one correspondence with the target air conditioners, and each group of target control parameters corresponds to one target air conditioner. The target control parameter may be used as a synchronous braking parameter for a subsequent determination of the target air conditioner.
Further, as shown in fig. 2, step S500 of the embodiment of the present application further includes:
s510: performing 3D simulation on the building structure of the target area, and constructing an area simulation model;
s520: determining a space fluid circulation situation based on the initial control parameters by combining the distribution positions of the target air conditioners;
s530: based on the space fluid circulation situation, combining the variable frequency control domain to perform air conditioner control adjustment to obtain N groups of adjustment control parameters;
s540: and performing proofreading and screening on the N groups of adjustment control parameters to determine target control parameters.
Specifically, a building structure drawing of the target area is obtained, an area simulation model is built by using three-dimensional modeling software such as 3DMax, revit and the like based on the building structure drawing, air conditioning points are arranged in the area simulation model in combination with the distribution position of the target air conditioner in each area, parameters of each air conditioning point are set according to the initial control parameters, then air conditioning circulation simulation is carried out by simulation analysis software, and a space fluid circulation situation, namely the flowing trend and the flowing range of cold/hot air in the target area, is determined. Based on the space fluid circulation situation, determining an overlapping range of temperature control of adjacent air conditioners, combining the variable frequency control domain, adjusting the air conditioner control range by adjusting air conditioner parameters, obtaining N groups of adjusting control parameters, wherein each group of adjusting control parameters comprises control parameter sets corresponding to each target air conditioner, performing correction and screening on the N groups of adjusting control parameters through energy consumption calculation, and reserving the control parameter set with the lowest energy consumption as a target control parameter, wherein the target control parameter can be used as a synchronous braking parameter for subsequently determining the target air conditioner.
Further, as shown in fig. 3, step S530 of the embodiment of the present application further includes:
s531: based on the space fluid circulation situation, carrying out interaction analysis to determine space interaction live conditions;
s532: based on the space interaction live, extracting the initial control parameter corresponding to any one of the target air conditioners as an adjustment reference main body;
s533: based on the adjustment reference body, combining the variable frequency control domain, performing neighborhood recursive adjustment of the initial control parameters to obtain adjustment control parameters;
s534: and performing iterative replacement and parameter adjustment of the adjustment reference main body, and integrally obtaining the N groups of adjustment control parameters.
Specifically, because the control ranges of the target air conditioners have overlapping areas, the problem of energy waste may exist, based on the space fluid circulation situation, the mutual influence of the control ranges of the target air conditioners and the adjacent air conditioners is analyzed, the space interaction condition is determined, the initial control parameters of any one of the target air conditioners are extracted based on the space interaction condition, the initial control parameters are used as an adjustment reference main body, the adjustable range is determined based on the adjustment reference main body in combination with the variable frequency control domain, the initial control parameters of the air conditioners adjacent to the adjustment reference main body are sequentially adjusted until all the control parameters of the target air conditioners are completely adjusted, and the adjusted control parameters of the target air conditioners are obtained. And by analogy, the adjustment reference body is continuously replaced, the initial control parameters of the air conditioner at the adjacent positions are adjusted until all adjustment schemes are completed by traversing, and the N groups of adjustment control parameters are obtained. In an exemplary embodiment, the control range of one air conditioner overlaps with that of another air conditioner, and the overlapping portions have an interaction, so that the initial control parameter of the other air conditioner is appropriately adjusted based on the control effect of one air conditioner, so as to reduce the power of the other air conditioner and reduce the energy consumption. The N sets of adjustment control parameters may be used as the basis data for finding the lowest energy consumption.
Further, step S540 of the embodiment of the present application further includes:
s541: performing energy consumption calculation on the N groups of adjustment control parameters to obtain N unit energy consumption,
s542: the N unit energy consumption is checked, and the minimum energy consumption is determined;
s543: and reversely matching the N groups of adjustment control parameters based on the minimum energy consumption, and determining the target control parameters.
Specifically, energy required to be consumed by air conditioner control is calculated in unit time by using the N groups of adjustment control parameters respectively, N unit energy consumption is obtained, each group of adjustment control parameters corresponds to one unit energy consumption, the N unit energy consumption is compared one by one, the N unit energy consumption is subjected to size sorting, minimum energy consumption is screened out, the corresponding group of adjustment control parameters in the N groups of adjustment control parameters is reversely matched based on the minimum energy consumption, the corresponding group of adjustment control parameters is used as the target control parameter, and the target control parameter can be used as a synchronous braking parameter for determining the target air conditioner subsequently.
S600: transmitting the target control parameters to a central control system, and determining synchronous braking parameters, wherein the synchronous braking parameters are used for synchronous braking control according to the region division result;
specifically, the target control parameters are transmitted to a central control system, where the central control system refers to a system for performing centralized control on all target air conditioners, and may include a data processing module, an energy-saving control module, a fault diagnosis module, a remote control module, and the like, which are in communication connection with the target air conditioners. And generating synchronous braking parameters by the central control system according to the target control parameters, sending synchronous braking instructions to each air conditioner end for air conditioner braking, and controlling the synchronous braking of the target air conditioner in the area according to the area dividing result by the synchronous braking parameters.
S700: and carrying out regional variable frequency energy-saving control on the target air conditioner based on the synchronous braking parameters.
Specifically, based on the synchronous braking parameters, the control of the target air conditioner in the area is performed by combining the area dividing result, and the energy efficiency ratio is improved by adjusting each parameter index in the variable frequency control area, for example, adjusting the rotating speed of a compressor by using a frequency converter, so that the energy efficiency ratio is always in an optimal rotating speed state, and finally, the energy saving control of each target area is realized, and the effects of energy saving and consumption reduction are achieved.
Further, the embodiment of the present application further includes step S800, where step S800 further includes:
s810: configuring an operation and maintenance period, and carrying out regular operation and maintenance on the target air conditioner;
s820: acquiring real-time monitoring data of the target air conditioner, performing deviation calculation under standard control, and determining a control deviation value;
s830: if the control deviation value meets the deviation threshold value, determining a dynamic operation and maintenance node;
s840: and adding the dynamic operation and maintenance node into the operation and maintenance period.
Specifically, an operation and maintenance period of the air conditioning equipment is randomly set, which can be one month, three months, half year and the like, and can be adaptively adjusted according to actual conditions, and maintenance staff are regularly arranged to operate and overhaul the target air conditioner based on the operation and maintenance period, so that daily maintenance and repair of the target air conditioner can be ensured. And when the control deviation value is greater than or equal to the deviation threshold value, the running state of the current air conditioner is indicated to be incapable of meeting the normal use function requirement, and the time node of the control deviation value meeting the deviation threshold value is used as a dynamic operation and maintenance node and is added into the operation and maintenance period, and then the operation and maintenance of the target air conditioner is carried out according to the operation and maintenance period, so that the target air conditioner can be fully operated and maintained, the service life of the target air conditioner can be prolonged, the accident occurrence is reduced, the running stability of the air conditioner is improved, the energy source is saved, and the efficiency is improved.
In summary, the embodiment of the application has at least the following technical effects:
according to the method, the temperature threshold is configured by dividing the time period, and the start and stop control of the target air conditioner is performed; dividing a target area, carrying out area load calculation along with the starting of a target air conditioner, and determining a real-time load value; collecting a variable frequency control domain of a target air conditioner; determining an initial control parameter based on the real-time load value; adjusting and optimizing initial control parameters based on a region simulation model by combining a variable frequency control domain, and determining target control parameters; and transmitting the target control parameters to a central control system, determining synchronous braking parameters, and carrying out regional variable frequency energy-saving control on the target air conditioner based on the synchronous braking parameters.
The technical effects of reducing the energy consumption of the air conditioner and prolonging the service life of the air conditioner are achieved by performing point-to-point control on the air conditioner in different areas.
Example two
Based on the same inventive concept as the air conditioning energy control method of the foregoing embodiments, as shown in fig. 4, the present application provides an air conditioning energy saving control system, and the system and method embodiments in the embodiments of the present application are based on the same inventive concept. Wherein the system comprises:
the air conditioner start-stop control module 11, wherein the air conditioner start-stop control module 11 is used for configuring a temperature threshold value in a time interval and performing start-stop control of a target air conditioner based on the temperature threshold value;
the real-time load value determining module 12 is configured to divide a target area, perform area load calculation based on an area division result along with starting of the target air conditioner, and determine a real-time load value, where the real-time load value corresponds to the area division result one by one, and refers to a cold load or a hot load;
the variable frequency control domain acquisition module 13 is used for acquiring a variable frequency control domain of the target air conditioner;
an initial control parameter determination module 14, the initial control parameter determination module 14 being configured to determine an initial control parameter based on the real-time load value;
the target control parameter determining module 15 is used for combining the variable frequency control domain, adjusting and optimizing the initial control parameters based on a region simulation model, and determining target control parameters, wherein the target control parameters are in one-to-one correspondence with the target air conditioner;
the synchronous braking parameter determining module 16 is configured to transmit the target control parameter to a central control system, determine a synchronous braking parameter, and perform synchronous braking control according to the region division result;
the regional variable frequency energy-saving control module 17 is used for performing regional variable frequency energy-saving control on the target air conditioner based on the synchronous braking parameters.
Further, the real-time load value determining module 12 is further configured to perform the following steps:
based on local sensing equipment, multi-source heat/cold load acquisition is carried out, and regional sensing data are determined, wherein the regional sensing data are provided with acquisition source identifiers;
identifying the acquisition source identifier, carrying out regular summation on the regional sensing data, and determining a multi-source heat/cold load value;
and traversing the regional division result to perform regional space load calculation based on the multi-source heat/cold load value, and obtaining the real-time load value.
Obtaining a load calculation formula:
wherein q is a cold/hot index, S is a regional area, ε i Configuring weight values for different heat/cold load sources, f i-1 For a heterogeneous companion heat/cold load value, n is the number of load source types.
Further, the target control parameter determining module 15 is further configured to perform the following steps:
performing 3D simulation on the building structure of the target area, and constructing an area simulation model;
determining a space fluid circulation situation based on the initial control parameters by combining the distribution positions of the target air conditioners;
based on the space fluid circulation situation, combining the variable frequency control domain to perform air conditioner control adjustment to obtain N groups of adjustment control parameters;
and performing proofreading and screening on the N groups of adjustment control parameters to determine target control parameters.
Further, the target control parameter determining module 15 is further configured to perform the following steps:
based on the space fluid circulation situation, carrying out interaction analysis to determine space interaction live conditions;
based on the space interaction live, extracting the initial control parameter corresponding to any one of the target air conditioners as an adjustment reference main body;
based on the adjustment reference body, combining the variable frequency control domain, performing neighborhood recursive adjustment of the initial control parameters to obtain adjustment control parameters;
and performing iterative replacement and parameter adjustment of the adjustment reference main body, and integrally obtaining the N groups of adjustment control parameters.
Further, the target control parameter determining module 15 is further configured to perform the following steps:
performing energy consumption calculation on the N groups of adjustment control parameters to obtain N unit energy consumption,
the N unit energy consumption is checked, and the minimum energy consumption is determined;
and reversely matching the N groups of adjustment control parameters based on the minimum energy consumption, and determining the target control parameters.
Further, the system further comprises:
the operation and maintenance period configuration module is used for configuring an operation and maintenance period and carrying out periodic operation and maintenance on the target air conditioner;
the control deviation value determining module is used for acquiring real-time monitoring data of the target air conditioner, performing deviation calculation under standard control and determining a control deviation value;
the dynamic operation and maintenance node determining module is used for determining the dynamic operation and maintenance node if the control deviation value meets a deviation threshold value;
and the operation and maintenance period optimization module is used for adding the dynamic operation and maintenance node into the operation and maintenance period.
It should be noted that the sequence of the embodiments of the present application is only for description, and does not represent the advantages and disadvantages of the embodiments. And the foregoing description has been directed to specific embodiments of this specification. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims can be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.
The foregoing description of the preferred embodiments of the application is not intended to limit the application to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the application are intended to be included within the scope of the application.
The specification and figures are merely exemplary illustrations of the present application and are considered to cover any and all modifications, variations, combinations, or equivalents that fall within the scope of the application. It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the scope of the application. Thus, the present application is intended to include such modifications and alterations insofar as they come within the scope of the application or the equivalents thereof.

Claims (8)

1. The energy-saving control method of the air conditioner is characterized by comprising the following steps of:
a temperature threshold value is configured in a time interval, and start and stop control of the target air conditioner is performed based on the temperature threshold value;
dividing a target area, carrying out area load calculation based on an area division result along with the starting of the target air conditioner, and determining a real-time load value, wherein the real-time load value corresponds to the area division result one by one and refers to a cold load or a heat load;
collecting a variable frequency control domain of the target air conditioner;
determining an initial control parameter based on the real-time load value;
adjusting and optimizing the initial control parameters based on a region simulation model by combining the variable frequency control domain, and determining target control parameters, wherein the target control parameters are in one-to-one correspondence with the target air conditioners;
transmitting the target control parameters to a central control system, and determining synchronous braking parameters, wherein the synchronous braking parameters are used for synchronous braking control according to the region division result;
and carrying out regional variable frequency energy-saving control on the target air conditioner based on the synchronous braking parameters.
2. The method of claim 1, wherein the performing the region load calculation based on the region division result, determining the real-time load value, comprises:
based on local sensing equipment, multi-source heat/cold load acquisition is carried out, and regional sensing data are determined, wherein the regional sensing data are provided with acquisition source identifiers;
identifying the acquisition source identifier, carrying out regular summation on the regional sensing data, and determining a multi-source heat/cold load value;
and traversing the regional division result to perform regional space load calculation based on the multi-source heat/cold load value, and obtaining the real-time load value.
3. The method of claim 2, wherein the method comprises:
obtaining a load calculation formula:
wherein q is a cold/hot index, S is a regional area, ε i Configuring weight values for different heat/cold load sources, f i-1 For a heterogeneous companion heat/cold load value, n is the number of load source types.
4. The method of claim 1, wherein the determining the target control parameter comprises:
performing 3D simulation on the building structure of the target area, and constructing an area simulation model;
determining a space fluid circulation situation based on the initial control parameters by combining the distribution positions of the target air conditioners;
based on the space fluid circulation situation, combining the variable frequency control domain to perform air conditioner control adjustment to obtain N groups of adjustment control parameters;
and performing proofreading and screening on the N groups of adjustment control parameters to determine target control parameters.
5. The method of claim 4, wherein the air conditioning control adjustment is performed in conjunction with the variable frequency control domain based on the spatial fluid circulation situation to obtain N sets of adjustment control parameters, the method comprising:
based on the space fluid circulation situation, carrying out interaction analysis to determine space interaction live conditions;
based on the space interaction live, extracting the initial control parameter corresponding to any one of the target air conditioners as an adjustment reference main body;
based on the adjustment reference body, combining the variable frequency control domain, performing neighborhood recursive adjustment of the initial control parameters to obtain adjustment control parameters;
and performing iterative replacement and parameter adjustment of the adjustment reference main body, and integrally obtaining the N groups of adjustment control parameters.
6. The method of claim 4, wherein the performing a proof-reading screening on the N sets of adjusted control parameters determines target control parameters, the method comprising:
performing energy consumption calculation on the N groups of adjustment control parameters to obtain N unit energy consumption,
the N unit energy consumption is checked, and the minimum energy consumption is determined;
and reversely matching the N groups of adjustment control parameters based on the minimum energy consumption, and determining the target control parameters.
7. The method of claim 1, wherein the method comprises:
configuring an operation and maintenance period, and carrying out regular operation and maintenance on the target air conditioner;
acquiring real-time monitoring data of the target air conditioner, performing deviation calculation under standard control, and determining a control deviation value;
if the control deviation value meets the deviation threshold value, determining a dynamic operation and maintenance node;
and adding the dynamic operation and maintenance node into the operation and maintenance period.
8. An air conditioner energy saving control system, characterized in that the system comprises:
the air conditioner start-stop control module is used for configuring a temperature threshold value in a time interval and performing start-stop control of the target air conditioner based on the temperature threshold value;
the real-time load value determining module is used for dividing a target area, carrying out area load calculation based on an area dividing result along with the starting of the target air conditioner, and determining a real-time load value, wherein the real-time load value corresponds to the area dividing result one by one and refers to cold load or hot load;
the variable frequency control domain acquisition module is used for acquiring a variable frequency control domain of the target air conditioner;
the initial control parameter determining module is used for determining initial control parameters based on the real-time load value;
the target control parameter determining module is used for combining the variable frequency control domain, adjusting and optimizing the initial control parameters based on a region simulation model, and determining target control parameters, wherein the target control parameters are in one-to-one correspondence with the target air conditioner;
the synchronous braking parameter determining module is used for transmitting the target control parameter to a central control system to determine a synchronous braking parameter, and the synchronous braking parameter is used for synchronous braking control according to the region division result;
and the regional variable frequency energy-saving control module is used for carrying out regional variable frequency energy-saving control on the target air conditioner based on the synchronous braking parameters.
CN202310664010.4A 2023-06-07 2023-06-07 Energy-saving control method and system for air conditioner Pending CN116678075A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310664010.4A CN116678075A (en) 2023-06-07 2023-06-07 Energy-saving control method and system for air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310664010.4A CN116678075A (en) 2023-06-07 2023-06-07 Energy-saving control method and system for air conditioner

Publications (1)

Publication Number Publication Date
CN116678075A true CN116678075A (en) 2023-09-01

Family

ID=87780564

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310664010.4A Pending CN116678075A (en) 2023-06-07 2023-06-07 Energy-saving control method and system for air conditioner

Country Status (1)

Country Link
CN (1) CN116678075A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117232110A (en) * 2023-11-14 2023-12-15 博纳环境设备(太仓)有限公司 Multi-source data processing method and system for industrial air conditioner sub-bin control

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117232110A (en) * 2023-11-14 2023-12-15 博纳环境设备(太仓)有限公司 Multi-source data processing method and system for industrial air conditioner sub-bin control
CN117232110B (en) * 2023-11-14 2024-04-09 博纳环境设备(太仓)有限公司 Multi-source data processing method and system for industrial air conditioner sub-bin control

Similar Documents

Publication Publication Date Title
WO2020107851A1 (en) Low-cost commissioning method and system for air conditioning system based on existing large-scale public building
US20240044541A1 (en) Systems and methods of optimizing hvac control in a building or network of buildings
CN110864414B (en) Air conditioner power utilization load intelligent control scheduling method based on big data analysis
WO2018054055A1 (en) System and method for predicting load of and controlling subway heating, ventilation, and air conditioning system
CN102043907B (en) Real-time cold load determination method of air-conditioner room
CN110460040B (en) Micro-grid operation scheduling method considering intelligent building heat balance characteristic
CN109948824B (en) Method for predicting heat load of heating power station by using pattern recognition technology
CN109932896A (en) A kind of control method and system of building energy consumption
CN109974218A (en) A kind of multi-online air-conditioning system regulation method based on prediction
CN212320021U (en) Intelligent combined control system of modular cold and hot water air conditioning unit
CN116678075A (en) Energy-saving control method and system for air conditioner
CN114383299B (en) Central air-conditioning system operation strategy optimization method based on big data and dynamic simulation
CN115220351B (en) Intelligent energy-saving optimization control method for building air conditioning system based on cloud side end
CN114264045A (en) Energy efficiency regulation and control system and method for central air conditioner
CN108895717A (en) A kind of energy-saving control method and system of soil source heat pump system
CN111197846A (en) Self-adaptive adjusting method and system for cold and heat load in building
CN110848895B (en) Non-industrial air conditioner flexible load control method and system
CN113294899A (en) Central air conditioner demand response capability evaluation method based on non-invasive load identification
Zhuang et al. A decentralized method for energy conservation of an HVAC system
CN116576549B (en) Central air conditioner air supply system based on fan technology
CN211526662U (en) Subway station ventilation air conditioner economizer system based on load prediction
CN112781184A (en) Intelligent consumption reduction method and system for air conditioning system
CN115906396A (en) Passive building energy management system and use method thereof
CN113420413B (en) Flexible load adjustability quantification method and system based on load plasticity
CN114279053A (en) Central air-conditioning system based on COP band theory and control method

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