CN116907077A - Flexible regulation and control system and method for VRV air conditioner load - Google Patents

Flexible regulation and control system and method for VRV air conditioner load Download PDF

Info

Publication number
CN116907077A
CN116907077A CN202310954796.3A CN202310954796A CN116907077A CN 116907077 A CN116907077 A CN 116907077A CN 202310954796 A CN202310954796 A CN 202310954796A CN 116907077 A CN116907077 A CN 116907077A
Authority
CN
China
Prior art keywords
air conditioner
load
vrv air
vrv
intelligent energy
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
CN202310954796.3A
Other languages
Chinese (zh)
Inventor
张向程
叶帮武
魏媛媛
韩冰
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.)
Hangzhou Dianwatt Technology Co ltd
Original Assignee
Hangzhou Dianwatt 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 Hangzhou Dianwatt Technology Co ltd filed Critical Hangzhou Dianwatt Technology Co ltd
Priority to CN202310954796.3A priority Critical patent/CN116907077A/en
Publication of CN116907077A publication Critical patent/CN116907077A/en
Pending legal-status Critical Current

Links

Landscapes

  • Air Conditioning Control Device (AREA)

Abstract

The application discloses a flexible regulation and control system and a flexible regulation and control method for VRV air conditioner load, which relate to the technical field of intelligent electricity utilization, wherein the system comprises a master station system for issuing a demand response task; the intelligent energy unit is used for receiving a demand response task issued by the master station system and issuing an air conditioner control message to the VRV air conditioner control module, or calculating the total adjustable load according to the line load data monitored by the load detector at regular time and reporting the total adjustable load to the master station system; the intelligent energy unit is used for receiving air conditioner control messages issued by the intelligent energy unit, converting the air conditioner control messages into VRV air conditioner control instructions and then issuing the VRV air conditioner control instructions to a VRV air conditioner control module of the VRV air conditioner, and a load detector for monitoring loads of branch lines of all air conditioners to obtain line load data. The application relies on a novel power load management system of a national power grid company, monitors the actual energy consumption condition of the VRV air conditioner through an intelligent energy unit, and flexibly regulates and controls the VRV air conditioner load by combining the flexible regulation and control requirement of the air conditioner load.

Description

Flexible regulation and control system and method for VRV air conditioner load
Technical Field
The application relates to the technical field of intelligent electricity utilization, in particular to a flexible regulation and control system and method for VRV air conditioner load.
Background
At present, the control of the power load and the energy consumption of the VRV air conditioner which is the multi-split air conditioner is mainly realized by depending on the control strategy of the host computer of the air conditioner, and the BA system is used for centralized control, but the main purposes of the methods are that the control of the power load and the energy consumption of the VRV air conditioner cannot be participated in the control of the orderly power utilization of the national level at all for self consumption reduction or convenience, and the control of the novel power load management system of the national grid company on the whole control of the air conditioner load cannot be participated in.
Disclosure of Invention
The application provides a flexible regulation and control system for VRV air conditioner load, which aims to solve the problem that the control and energy consumption control method for the VRV air conditioner power load in the prior art cannot participate in the integral regulation and control of the air conditioner load by a novel power load management system of a national grid company.
In order to achieve the above purpose, the present application adopts the following technical scheme:
the application provides a flexible regulation and control system for VRV air conditioner load, which comprises a master station system, an intelligent energy unit, a VRV air conditioner control module and a load detector, wherein:
the master station system is connected with the intelligent energy unit and is used for issuing a demand response task to the intelligent energy unit and displaying a total adjustable load curve of the VRV air conditioner;
the intelligent energy unit is respectively connected with the master station system, the VRV air conditioner control module and the load detector, and is used for receiving a demand response task issued by the master station system, issuing an air conditioner control message to the VRV air conditioner control module according to the demand response task, or acquiring line load data monitored by the load detector at regular time, calculating total adjustable load according to the line load data and reporting the total adjustable load to the master station system;
the VRV air conditioner control module is respectively connected with the VRV air conditioner and the intelligent energy unit, and is used for receiving an air conditioner control message issued by the intelligent energy unit, converting the air conditioner control message into a VRV air conditioner control instruction and issuing the VRV air conditioner control instruction to the VRV air conditioner;
the load detector is arranged in a power distribution cabinet for controlling branch lines of the air conditioner, is connected with the intelligent energy unit and is used for monitoring loads of the branch lines of the air conditioner to obtain line load data.
Preferably, the intelligent energy unit is further configured to store an address of an outdoor unit of the VRV air conditioner and a Modbus point bit table during communication.
The flexible regulation and control method for the VRV air conditioner load is characterized by being applied to the flexible regulation and control system for the VRV air conditioner load, and comprising the following steps:
the master station system issues a demand response task to the intelligent energy unit;
the intelligent energy unit reads and stores original temperature set values of all indoor units hung under all VRV air conditioner outdoor units according to the demand response task, and sends the customized maximum temperature values to all indoor units through a VRV air conditioner control module group;
all indoor units set the temperature of the indoor units to be the maximum temperature value, and transmit the set information to the intelligent energy unit through the VRV air conditioner control module;
the intelligent energy unit judges whether the regulation time is up after receiving the message, if yes, each original temperature set value is issued to the corresponding indoor unit through the VRV air conditioner control module;
and (3) modifying the temperature of all the indoor units into corresponding original temperature set values, and ending the demand response task.
Preferably, the demand response task includes a temperature control event and a demand response event.
Preferably, the temperature control event is that the master station system transmits a customized maximum temperature value to the intelligent energy unit.
Preferably, the demand response event is that the master station system issues a regulation demand for a time period to the intelligent energy unit, and flexibly regulates the VRV air conditioner in the time period.
A flexible regulation and control method for VRV air conditioner load is applied to the flexible regulation and control system for VRV air conditioner load, and comprises the following steps:
the intelligent energy unit reads line load data measured by the load detector at regular time and calculates the total load of all lines of the VRV air conditioner according to the line load data;
issuing Modbus protocol messages for reading temperature set values to the air conditioner control module to obtain current temperature set values of all indoor units hung under all VRV air conditioner outdoor units, and screening out the indoor units in a working state according to the current temperature set values;
judging the operation mode of each indoor unit in a working state, and determining the number of the indoor units meeting corresponding preset conditions according to the operation mode;
and calculating the total adjustable load of the VRV air conditioner according to the total load and the number of the indoor units, judging whether the time meets the timing requirement, and if so, uploading the total adjustable load to a master station system.
Preferably, the step of obtaining current temperature set values of all indoor units hung under all VRV air conditioner outdoor units, and screening out the indoor units in a working state according to the current temperature set values includes:
and sequentially reading the current temperature set values of all indoor units hung under the VRV air conditioner outdoor units, judging whether each current temperature set value is 0, and if not, enabling the corresponding indoor unit to be in a working state.
Preferably, the determining the operation mode of each indoor unit in the working state, and determining the number of indoor units meeting the corresponding preset condition according to the operation mode of each indoor unit includes:
judging whether each indoor unit in a working state is in a refrigerating mode or a heating mode, and if the indoor unit in the working state is in the refrigerating mode, reading a current temperature set value of each indoor unit in the working state;
judging whether the current temperature set value of each indoor unit in a working state is larger than the difference between the self-defined maximum temperature value and the temperature deviation value which can be set by the indoor unit in a refrigerating mode one by one, and determining the number of first indoor units meeting the condition;
judging whether the current temperature set value of each indoor unit in the working state is larger than the difference between the maximum temperature set value of the indoor unit in the refrigeration mode and the temperature deviation value one by one, and determining the number of second indoor units meeting the condition.
Preferably, the determining the operation mode of each indoor unit in the working state, and determining the number of indoor units meeting the corresponding preset condition according to the operation mode of each indoor unit includes:
judging whether each indoor unit in a working state is in a refrigerating mode or a heating mode, and if the indoor unit in the working state is in the heating mode, reading a current temperature set value of each indoor unit in the working state;
judging whether the current temperature set value of each indoor unit in a working state is larger than the sum of the self-defined maximum temperature value and the temperature deviation value which can be set by the indoor units in a heating mode one by one, and determining the number of first indoor units meeting the condition;
judging whether the current temperature set value of each indoor unit in a working state is larger than the sum of the maximum temperature set value of the indoor units and the temperature deviation value in a heating mode one by one, and determining the number of second indoor units meeting the condition.
The application has the following beneficial effects:
the application relies on a novel power load management system of a national power grid company, monitors the actual energy consumption condition of the VRV air conditioner through an intelligent energy unit, and flexibly regulates and controls the VRV air conditioner load by combining the flexible regulation and control requirement of the air conditioner load.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a block diagram of a flexible regulation system for VRV air conditioning loads of the present application;
FIG. 2 is a demand response task flow diagram of the present application;
fig. 3 is a schematic flow chart of a flexible control method of VRV air conditioner load according to the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described 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.
The terms "first," "second," and the like in the claims and the description of the application, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order, and it is to be understood that the terms so used may be interchanged, if appropriate, merely to describe the manner in which objects of the same nature are distinguished in the embodiments of the application by the description, and furthermore, the terms "comprise" and "have" and any variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of elements is not necessarily limited to those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
As shown in FIG. 1, a flexible regulation and control system for VRV air conditioner load comprises a master station system, an intelligent energy unit, a VRV air conditioner control module and a load detector, wherein:
the master station system is connected with the intelligent energy unit and is used for issuing a demand response task to the intelligent energy unit and displaying a total adjustable load curve of the VRV air conditioner;
the intelligent energy unit is respectively connected with the master station system, the VRV air conditioner control module and the load detector, and is used for receiving a demand response task issued by the master station system, issuing an air conditioner control message to the VRV air conditioner control module according to the demand response task, or acquiring line load data monitored by the load detector at regular time, calculating total adjustable load according to the line load data and reporting the total adjustable load to the master station system;
the VRV air conditioner control module is respectively connected with the VRV air conditioner and the intelligent energy unit, and is used for receiving an air conditioner control message issued by the intelligent energy unit, converting the air conditioner control message into a VRV air conditioner control instruction and issuing the VRV air conditioner control instruction to the VRV air conditioner;
the load detector is arranged in a power distribution cabinet for controlling branch lines of the air conditioner, is connected with the intelligent energy unit and is used for monitoring loads of the branch lines of the air conditioner to obtain line load data.
In embodiment 1, the flexible regulation and control system for the VRV air conditioner load comprises a master station system, an intelligent energy unit, a VRV air conditioner control module and a load detector, wherein the master station system is a novel electric load management system of a national electric network company and is mainly used for issuing a demand response task to the intelligent energy unit, and the flexible regulation and control system can also be used for displaying an adjustable load curve, a flexible regulation and control curve and user information of the VRV air conditioner, wherein the user information mainly comprises a user number of an actual air conditioner user, such as 135426400486575, a user name, such as XXX bureau in XXX county, and a terminal office number, such as 47382955, and the terminal office number is mainly a logical address for communication of the intelligent energy unit.
The intelligent energy unit is respectively in communication connection with the master station system, the VRV air conditioner control module and the load detector, so that various data acquisition, data storage, data encryption, operation state monitoring and dynamic control can be realized, information such as the address of an outdoor unit of the VRV air conditioner, a Modbus point table of the VRV air conditioner communication and files of the load detector are stored, wherein when the address of the outdoor unit of the VRV air conditioner is used for the communication of the VRV air conditioner control module, the VRV air conditioner control module knows which outdoor unit is in communication with the VRV air conditioner control module, the Modbus point table of the VRV air conditioner communication indicates the Modbus protocol which is custom-defined by an air conditioner manufacturer and used for the communication of the VRV air conditioner, the point table informs a user of what the register means, such as the temperature set value of the indoor unit, the air conditioner mode, the air conditioner wind direction and the like, is generally arranged in an electric box near the VRV air conditioner, after receiving a demand response task issued by the master station system, a control message is issued to the VRV air conditioner control module, meanwhile, the intelligent energy unit also acquires the data of the air conditioner controller, can monitor the load of the line and can be adjusted according to the demand of the master station system, and the load of the master station system is calculated.
The VRV air conditioner control module is respectively connected with the VRV air conditioner and the intelligent energy unit in a communication mode, and is mainly used for receiving an air conditioner control message issued by the intelligent energy unit, converting the air conditioner control message into a VRV air conditioner control instruction, then issuing the VRV air conditioner control instruction to the VRV air conditioner, executing the VRV air conditioner after receiving the control instruction, and generally installing the VRV air conditioner control instruction and the intelligent energy unit in an electric box near an external machine of the VRV air conditioner.
The load detector is equipment capable of carrying out user load monitoring by matching with the intelligent energy unit, is provided with interfaces such as three-phase four-wire alternating current analog quantity acquisition, electric energy metering, switching control output, remote signaling input and the like, and is mainly used for carrying out load monitoring on a VRV air conditioner power consumption circuit, uploading line load data obtained by monitoring to the intelligent energy unit, and is generally arranged in a power distribution cabinet for controlling an air conditioner branch circuit.
The system disclosed by the embodiment relies on a novel electric power load management system of a national electric network company, monitors the actual energy conditions of the VRV air conditioner through an intelligent energy unit, and combines the flexible regulation and control requirements of the air conditioner load to realize the flexible regulation and control of the VRV air conditioner load.
Example 2
The flexible regulation and control method of the VRV air conditioner load corresponding to the flexible regulation and control system of the VRV air conditioner load mainly comprises two implementation mechanisms, wherein one implementation mechanism is that a master station system issues a demand response task; the other is that the intelligent energy unit completes the task of reporting at regular time and combines the reported task to monitor the adjustable load and realize flexible regulation, and the embodiment is mainly used for explaining the first implementation mechanism, namely the master station system issues the demand response task, as shown in fig. 2, and specifically comprises the following steps:
the master station system issues a demand response task to the intelligent energy unit;
the intelligent energy unit reads and stores original temperature set values of all indoor units hung under all VRV air conditioner outdoor units according to the demand response task, and sends the customized maximum temperature values to all indoor units through a VRV air conditioner control module group;
all indoor units set the temperature of the indoor units to be the maximum temperature value, and transmit the set information to the intelligent energy unit through the VRV air conditioner control module;
the intelligent energy unit judges whether the regulation time is up after receiving the message, if yes, each original temperature set value is issued to the corresponding indoor unit through the VRV air conditioner control module;
and (3) modifying the temperature of all the indoor units into corresponding original temperature set values, and ending the demand response task.
In embodiment 2, a master station system issues a demand response task, wherein the demand response task also has two regulation modes, one is a temperature control event, that is, the master station system issues a self-defined maximum temperature value MaxValTemp to an intelligent energy unit, and the self-defined maximum temperature value refers to a maximum value of VRV air conditioner temperature supported by the master station system, which is typically 28 ℃ in a cooling mode and 20 ℃ in a heating mode; the other is a demand response event, namely the master station system issues a regulation and control demand for a time period to the intelligent energy unit according to the load regulation and control demand, and continuously carries out flexible regulation and control on the VRV air conditioner load in the time period; when the intelligent energy unit receives the regulation and control command issued by the master station system, the intelligent energy unit judges which type is the one, records which event is the one, and can be used as the basis for follow-up tracing and checking, however, no matter which regulation and control mode is adopted, the intelligent energy unit can read and store the original set temperature values of all indoor units hung under the VRV air conditioner outdoor unit, namely the original set temperature values of the indoor units, sends the customized maximum temperature values to all indoor units through the VRV air conditioner control module group, all the indoor units modify the self set temperature into the customized maximum temperature values, sends the set information to the intelligent energy unit through the VRV air conditioner control module, judges whether the time is up or not according to the time required by the demand response after the intelligent energy unit receives the information sent by all the indoor units, and if the time is up, sends the original temperature set values of all the indoor units read by the intelligent energy unit to the corresponding indoor units under the VRV air conditioner control module again, so that all the indoor units modify the self temperature to the original temperature set values of the indoor units again, and all the indoor units recover to the original temperature set temperature values after the original temperature set values, and the indoor units recover to the required regulation and control states after the time is up. The method provided by the embodiment is applied to power demand response regulation and control of the novel power load management system, and can flexibly regulate and control the VRV air conditioner load.
Example 3
As shown in fig. 3, the flexible regulation and control method for VRV air conditioner load provided in this embodiment is mainly used to illustrate a second implementation mechanism, that is, the intelligent energy unit completes a task of timing reporting and combines the reported task to monitor an adjustable load and implement flexible regulation and control, and includes the following steps:
s110, the intelligent energy unit reads line load data measured by a load detector at regular time, and calculates the total load of all lines of the VRV air conditioner according to the line load data;
s120, issuing Modbus protocol messages for reading temperature set values to the air conditioner control module to acquire current temperature set values of all indoor units hung under all VRV air conditioner outdoor units, and screening out the indoor units in a working state according to the current temperature set values;
s130, judging the operation mode of each indoor unit in a working state, and determining the number of the indoor units meeting corresponding preset conditions according to the operation mode;
and S140, calculating the total adjustable load of the VRV air conditioner according to the total load and the number of the indoor units, judging whether the time meets the timing requirement, and if so, uploading the total adjustable load to a master station system.
In example 3, the smart energy unit periodically reads the line load data detected by the load detector installed on each VRV air conditioning line every minute, and calculates the total load SumP of the VRV air conditioning line based on the line load data 0 The total load can be uploaded to a master station system for curve display, then a Modbus protocol message of a fixed read temperature set value is transmitted to a VRV air conditioner control module in a traversing mode to read the current temperature set values of all indoor units hung under all VRV air conditioner outdoor units, the indoor units which are not in the working state are considered to be in the working state, the indoor units which are not in the working state are included in the category of calculating the adjustable load, specifically, an intelligent energy unit firstly reads the state of the 1 st outdoor unit, if the intelligent energy unit is in the starting state, the current temperature set value of the 1 st indoor unit hung under the intelligent energy unit is read, if the intelligent energy unit is in the starting state, the current temperature set value of the 2 nd indoor unit is continuously read, until the current temperature set value of the read indoor unit is not 0, the room temperature value is recorded, and if the 1 st outdoor unit is not started, the state of the 2 nd outdoor unit is continuously read until all indoor units hung under all VRV outdoor units are read.
Then, judging whether each indoor unit in the working state is in a refrigerating mode or a heating mode, if the indoor unit in the working state is in the refrigerating mode, firstly reading a current temperature set value CurTemp of the indoor unit, then judging whether the current temperature set value of each indoor unit in the working state meets a preset condition one by one, namely, judging whether the current temperature set value of each indoor unit in the working state is larger than the difference between a settable custom maximum temperature value MaxValTemp and a temperature deviation value Diff of the indoor unit in the refrigerating mode or not and judging whether the difference is larger than 0 or not, wherein the custom maximum temperature value MaxValTemp is generally 28 ℃, if the current temperature set value is 28 ℃, determining the number SumN of first indoor units meeting the condition, and judging the current of each indoor unit in the working state one by oneWhether the temperature set value is larger than the difference between the maximum temperature set value Tmax of the indoor units in the refrigerating mode and the temperature deviation value Diff is also whether CurTemp- (Tmax-Diff) is larger than 0, wherein the maximum temperature set value Tmax is the maximum temperature set value which can be set by maximum support in VRV air conditioning characteristics, and is generally 30 ℃, and the number SumM of the second indoor units meeting the condition is determined; if the current temperature setting value CurTemp is the heating mode, firstly reading the current temperature setting value CurTemp, then judging whether the current temperature setting value of each indoor unit in the working state meets the preset condition one by one, namely, whether the current temperature setting value of each indoor unit in the working state is larger than the sum of a settable custom maximum temperature value MaxValTemp and a temperature deviation value Diff of the indoor units in the heating mode, namely, whether CurTemp- (MaxValTemp+Diff) is larger than 0, if yes, determining the number SumN of the first indoor units meeting the condition, then judging whether the current temperature setting value of each indoor unit in the working state is larger than the sum of the maximum temperature setting value Tmax and the temperature deviation value Diff of the indoor units in the heating mode one by one, and determining the number SumM of the second indoor units meeting the condition, and finally calculating the total adjustable load Pad of the VRV air conditioner j =(SumN-SumM/SumN)*SumP 0 λ, where λ is standby power consumption of the VRV air conditioner outdoor unit when not in operation, and is obtained by using a field-measurable or consulted air conditioner instruction manual or instruction manual, the value support is settable (when the equipment aging causes slight change), and when the air conditioners are in standby state, the intelligent energy unit determines whether the time is over-divided, if yes, the total adjustable load Pad is set by multiplying the standby number when the air conditioners are in the off state j Reporting to a novel load management system, wherein the total adjustable load is displayed by the novel load management system in a minute-scale adjustable load curve.
The flexible regulation and control method provided by the embodiment is applied to the power demand response regulation and control of a novel power load management system, not only can flexibly regulate and control the VRV air conditioner load, but also can assist air conditioner management personnel in energy efficiency weak point analysis and energy conservation and consumption reduction according to the air conditioner operation parameters and energy consumption load conditions which are automatically acquired and calculated.
The foregoing is merely illustrative of specific embodiments of the present application, and the scope of the present application is not limited thereto, but any changes or substitutions within the technical scope of the present application should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a flexible regulation and control system of VRV air conditioner load which characterized in that, including master station system, wisdom energy unit, VRV air conditioner control module and load detector, wherein:
the master station system is connected with the intelligent energy unit and is used for issuing a demand response task to the intelligent energy unit and displaying a total adjustable load curve of the VRV air conditioner;
the intelligent energy unit is respectively connected with the master station system, the VRV air conditioner control module and the load detector, and is used for receiving a demand response task issued by the master station system, issuing an air conditioner control message to the VRV air conditioner control module according to the demand response task, or acquiring line load data monitored by the load detector at regular time, calculating total adjustable load according to the line load data and reporting the total adjustable load to the master station system;
the VRV air conditioner control module is respectively connected with the VRV air conditioner and the intelligent energy unit, and is used for receiving an air conditioner control message issued by the intelligent energy unit, converting the air conditioner control message into a VRV air conditioner control instruction and issuing the VRV air conditioner control instruction to the VRV air conditioner;
the load detector is arranged in a power distribution cabinet for controlling branch lines of the air conditioner, is connected with the intelligent energy unit and is used for monitoring loads of the branch lines of the air conditioner to obtain line load data.
2. The flexible regulation and control system of a VRV air conditioner load according to claim 1, wherein the intelligent energy unit is further configured to store an address of an outdoor unit of the VRV air conditioner and a Modbus point bit table at the time of communication.
3. A flexible regulation method of VRV air conditioning load, applied to the flexible regulation system of VRV air conditioning load according to any one of claims 1-2, comprising:
the master station system issues a demand response task to the intelligent energy unit;
the intelligent energy unit reads and stores original temperature set values of all indoor units hung under all VRV air conditioner outdoor units according to the demand response task, and sends the customized maximum temperature values to all indoor units through a VRV air conditioner control module group;
all indoor units set the temperature of the indoor units to be the maximum temperature value, and transmit the set information to the intelligent energy unit through the VRV air conditioner control module;
the intelligent energy unit judges whether the regulation time is up after receiving the message, if yes, each original temperature set value is issued to the corresponding indoor unit through the VRV air conditioner control module;
and (3) modifying the temperature of all the indoor units into corresponding original temperature set values, and ending the demand response task.
4. A flexible regulation method of VRV air conditioning load according to claim 3, wherein the demand response tasks include temperature control events and demand response events.
5. The flexible regulation and control method of VRV air conditioning load according to claim 4, wherein the temperature control event is the master station system issuing a custom maximum temperature value to the intelligent energy unit.
6. The flexible regulation and control method of VRV air conditioner load according to claim 4, wherein the demand response event is the master station system issuing a regulation and control demand for a period of time to the intelligent energy unit, and flexible regulating and controlling the VRV air conditioner in the period of time.
7. A flexible regulation method of VRV air conditioning load, applied to the flexible regulation system of VRV air conditioning load according to any one of claims 1-2, comprising:
the intelligent energy unit reads line load data measured by the load detector at regular time and calculates the total load of all lines of the VRV air conditioner according to the line load data;
issuing Modbus protocol messages for reading temperature set values to the air conditioner control module to obtain current temperature set values of all indoor units hung under all VRV air conditioner outdoor units, and screening out the indoor units in a working state according to the current temperature set values;
judging the operation mode of each indoor unit in a working state, and determining the number of the indoor units meeting corresponding preset conditions according to the operation mode;
and calculating the total adjustable load of the VRV air conditioner according to the total load and the number of the indoor units, judging whether the time meets the timing requirement, and if so, uploading the total adjustable load to a master station system.
8. The flexible control method for VRV air conditioning load according to claim 7, wherein the step of obtaining current temperature set values of all indoor units under all VRV air conditioning outdoor units and screening out the indoor units in a working state according to the current temperature set values comprises:
and sequentially reading the current temperature set values of all indoor units hung under the VRV air conditioner outdoor units, judging whether each current temperature set value is 0, and if not, enabling the corresponding indoor unit to be in a working state.
9. The flexible control system for VRV air conditioning load according to claim 7, wherein the determining the operation mode of each indoor unit in the operating state and determining the number of indoor units meeting the corresponding preset condition according to the operation mode thereof comprises:
judging whether each indoor unit in a working state is in a refrigerating mode or a heating mode, and if the indoor unit in the working state is in the refrigerating mode, reading a current temperature set value of each indoor unit in the working state;
judging whether the current temperature set value of each indoor unit in a working state is larger than the difference between the self-defined maximum temperature value and the temperature deviation value which can be set by the indoor unit in a refrigerating mode one by one, and determining the number of first indoor units meeting the condition;
judging whether the current temperature set value of each indoor unit in the working state is larger than the difference between the maximum temperature set value of the indoor unit in the refrigeration mode and the temperature deviation value one by one, and determining the number of second indoor units meeting the condition.
10. The flexible control method for VRV air conditioner load according to claim 7, wherein said determining the operation mode of each indoor unit in the operation state and determining the number of indoor units meeting the corresponding preset condition according to the operation mode thereof comprises:
judging whether each indoor unit in a working state is in a refrigerating mode or a heating mode, and if the indoor unit in the working state is in the heating mode, reading a current temperature set value of each indoor unit in the working state;
judging whether the current temperature set value of each indoor unit in a working state is larger than the sum of the self-defined maximum temperature value and the temperature deviation value which can be set by the indoor units in a heating mode one by one, and determining the number of first indoor units meeting the condition;
judging whether the current temperature set value of each indoor unit in a working state is larger than the sum of the maximum temperature set value of the indoor units and the temperature deviation value in a heating mode one by one, and determining the number of second indoor units meeting the condition.
CN202310954796.3A 2023-07-31 2023-07-31 Flexible regulation and control system and method for VRV air conditioner load Pending CN116907077A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310954796.3A CN116907077A (en) 2023-07-31 2023-07-31 Flexible regulation and control system and method for VRV air conditioner load

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310954796.3A CN116907077A (en) 2023-07-31 2023-07-31 Flexible regulation and control system and method for VRV air conditioner load

Publications (1)

Publication Number Publication Date
CN116907077A true CN116907077A (en) 2023-10-20

Family

ID=88366651

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310954796.3A Pending CN116907077A (en) 2023-07-31 2023-07-31 Flexible regulation and control system and method for VRV air conditioner load

Country Status (1)

Country Link
CN (1) CN116907077A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118361834A (en) * 2024-06-11 2024-07-19 江苏征途电气科技有限公司 An intelligent air conditioning control network suitable for load aggregation scheduling
CN118582815A (en) * 2024-06-11 2024-09-03 江苏征途电气科技有限公司 A Substation Air Conditioning Load Aggregation Dispatching System

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118361834A (en) * 2024-06-11 2024-07-19 江苏征途电气科技有限公司 An intelligent air conditioning control network suitable for load aggregation scheduling
CN118582815A (en) * 2024-06-11 2024-09-03 江苏征途电气科技有限公司 A Substation Air Conditioning Load Aggregation Dispatching System

Similar Documents

Publication Publication Date Title
CN116907077A (en) Flexible regulation and control system and method for VRV air conditioner load
US8676389B2 (en) Modular energy control system
KR100963161B1 (en) System and method for effectively managing energy of building
KR101940384B1 (en) Monitoring system for air conditioning systems based on distributed power generation and air conditioning system using same
CN101090335B (en) Method and system for remote adjustment of indoor temperature and load of household air conditioner
US20100328023A1 (en) Method and apparatus for monitoring and selectively controlling a load in a power system
US20110298284A1 (en) Systems And Apparatus For Monitoring And Selectively Controlling A Load In A Power System
KR20080019938A (en) Networked Power Management System
CN116907076A (en) Flexible regulation and control system and method for load of central air conditioner water chilling unit
CN102969791A (en) Flexible load management system and method of power system based on bidirectional intelligent electric meter
CN117450651A (en) Air conditioner load monitoring and flexible regulating and controlling method
JP2014027721A (en) Energy management system, energy management device, control method, and program
TW200848667A (en) Intelligent-type monitoring management control system
CN113394867A (en) Intelligent control energy storage system of 5G communication equipment
CN103855807B (en) A kind of system, method and Executive Module realizing home intelligent administration of power networks
CN113883688B (en) Central air conditioner control system and method based on demand response
CN113531512B (en) Load side electricity heat accumulation boiler frequency modulation system
CN204574362U (en) base station air conditioner energy consumption management system
CN112421643A (en) A flexible load measurement and control method
CN204287952U (en) A kind of cold and heat combined supply self-optimizing control equipment
KR20120017840A (en) Control method of air conditioning system
KR20120114708A (en) Method of electric power control using smart meter and apparatus thereof
JP2018026913A (en) Power management system
CN113541309A (en) Electric energy regulation and control method based on demand side response
CN111930035A (en) Comprehensive management system and method for indoor electricity utilization

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