CN104713209B - Energy-saving expense metering method and system applied to central air-conditioning system - Google Patents
Energy-saving expense metering method and system applied to central air-conditioning system Download PDFInfo
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- CN104713209B CN104713209B CN201510131264.5A CN201510131264A CN104713209B CN 104713209 B CN104713209 B CN 104713209B CN 201510131264 A CN201510131264 A CN 201510131264A CN 104713209 B CN104713209 B CN 104713209B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
Abstract
The invention discloses an energy-saving expense metering method and system applied to a central air-conditioning system. The system comprises an integrated energy meter, a multi-rate electric energy meter, a controller and a computer. The integrated energy meter is used for metering total energy storage amount (X1) of the central air-conditioning system in an energy storage working condition and energy supply amount of all divided time periods in a non-energy-storage working condition. The multi-rate electric energy meter is used for metering total energy storage amount (X2) of the central air-conditioning system, total electricity consumption (W1) and total electricity consumption expense (M1) of all pieces of electric equipment in the energy storage working condition and total electricity consumption (W2) and total electricity consumption expense (M2) of all the pieces of electric equipment in the non-energy-storage working condition. The controller is used for collecting metering data of the integrated energy meter and the multi-rate electric energy meter, using a built-in energy-saving expense calculating scheme for calculating energy-saving expense (S) generated when the central air-conditioning system operates in the energy storage working condition and outputting the energy-saving expense (S) to a display screen of the computer to display the energy-saving expense (S).
Description
Technical field
The present invention relates to electricity metering technical field, more particularly, it relates to a kind of section for being applied to central air conditioner system
Can expense metering method and system.
Background technology
In order to save the operation power charge and cost of central air conditioner system, it is common practice in paddy section rate period, utilize
Central air conditioner system is generated cold or heat and is stored by energy storage equipment.Accumulation of energy is filled in crest segment electricity price peace section electricity price
The cold or heat for putting storage is discharged, and fortune of the central air conditioner system in crest segment electricity price peace section rate period is reduced with this
Row electricity, saves operating cost.
At present, central air conditioner system accumulation of energy work can be realized by existing Energy Saving of Central Air-conditioning expense metering system
The real-time measurement of the energy-conservation expense under condition, however, there is many defects in the Energy Saving of Central Air-conditioning expense metering system, specifically
Embody as follows:
First, during the energy-conservation expense metering system is calculated using central air conditioner system timesharing energizing quantity with the accounting of total energizing quantity
Centre air-conditioning system day part application electricity, does not consider the energy loss during central air conditioner system accumulation of energy, causes what it was calculated
Energy-conservation expense using electricity and reality is bigger than normal.
2nd, the energy-conservation expense metering system uses flowmeter and temperature sensor, by way of controller integral and calculating
Cold is calculated, causes the energy error calculated Jing after many conversions big.
3rd, the energy-conservation expense metering system passes through controller control relay Operating In Persistent Current Mode using time sharing electrical energy table, to phase
The charge capacity metered scheme that pass equipment accumulation of energy electricity is measured, its reliability and with a low credibility.
The content of the invention
The technical problem to be solved in the present invention is the drawbacks described above for prior art, there is provided one kind is applied to central hollow
The energy-conservation expense metering method of adjusting system and system.
The technical solution adopted for the present invention to solve the technical problems is:A kind of section for being applied to central air conditioner system of construction
Energy expense metering method, comprises the steps:
S1, the total accumulation of energy amount (X1) by integral type energy meter metering central air-conditioning system under accumulation of energy operating mode, and its
Each energizing quantity at times under non-accumulation of energy operating mode;
S2, by total accumulation of energy electricity (X2) of multi-rate meter metering central air-conditioning system, each electrical equipment exists under it
The total electricity consumption (W1) produced under accumulation of energy operating mode and total electricity cost (M1) and under it each electrical equipment under non-accumulation of energy operating mode
The total electricity consumption (W2) of generation and total electricity cost (M2);
S3, integral type energy meter continuous data and multi-rate meter continuous data are gathered by controller, using built-in
Energy-conservation expense numerical procedure calculating central air conditioner system runs on the energy-conservation expense (S) produced by accumulation of energy operating mode, and energy-conservation is taken
Shown on computer display with (S) output;
The energy-conservation expense numerical procedure is indicated by equation below:S=M2-M1;Wherein:
S represents that central air conditioner system runs on the energy-conservation expense produced by accumulation of energy operating mode;
M1 represents total electricity cost that each electrical equipment is produced under accumulation of energy operating mode under central air conditioner system;
M2 represents total electricity cost that each electrical equipment is produced under non-accumulation of energy operating mode under central air conditioner system.
In the above-mentioned energy-conservation expense metering method for being applied to central air conditioner system of the present invention, the central air conditioner system
Electrical equipment includes sharing electrical equipment and non-common electrical equipment, and the energy-conservation expense numerical procedure is included for calculating central authorities
First power consumption of total electricity consumption (M1) of the air-conditioning system under accumulation of energy operating mode calculates subscheme, and for calculating central air-conditioning
First electricity cost of total electricity cost (M1) of the system under accumulation of energy operating mode calculates subscheme;
First power consumption for calculating total electricity consumption (M1) of the central air conditioner system under accumulation of energy operating mode calculates son
Scheme is indicated by equation below:
The flat section power consumption of the crest segment power consumption+non-common electrical equipment of total electricity consumption W1=non-common electrical equipments+non-
The flat section power consumption of the crest segment power consumption of the paddy section power consumption of shared electrical equipment+shared electrical equipment+shared electrical equipment+altogether
With the paddy section power consumption of electrical equipment;
First energy charge for calculating total electricity cost (M1) of the central air conditioner system under accumulation of energy operating mode is used tricks
Operator scheme is indicated by equation below:
Always the flat section of electricity cost M1=non-common electrical equipment crest segment power consumption * crest segment electricity prices+non-common electrical equipment is used
The flat section electricity prices of electricity *+non-common electrical equipment paddy section power consumption * paddy section electricity prices+share electrical equipment crest segment power consumption * crest segments electricity
Valency+share the flat section electricity prices of the flat section power consumption * of electrical equipment+shared electrical equipment paddy section power consumption * paddy section electricity prices.
It is described for calculating central hollow in the above-mentioned energy-conservation expense metering method for being applied to central air conditioner system of the present invention
First power consumption of total electricity consumption (M1) of the adjusting system under accumulation of energy operating mode calculates subscheme and further includes to share electrical equipment
Crest segment power consumption calculates subscheme, shares the flat section power consumption calculating subscheme of electrical equipment and shared electrical equipment paddy section use
Voltameter operator scheme;
The shared electrical equipment crest segment power consumption is calculated subscheme and is indicated by equation below:
Cooling-water machine under the crest segment power consumption * accumulation of energy operating modes of shared electrical equipment crest segment power consumption=shared electrical equipment
Group/Hot water units power consumption/(handpiece Water Chilling Units/Hot water units power consumption of non-accumulation of energy operating mode operation);
The flat section power consumption of the shared electrical equipment is calculated subscheme and is indicated by equation below:
Cooling-water machine under the flat section power consumption * accumulation of energy operating modes of the flat section power consumption of shared electrical equipment=shared electrical equipment
Group/Hot water units power consumption/(handpiece Water Chilling Units/Hot water units power consumption of non-accumulation of energy operating mode operation);
The shared electrical equipment paddy section power consumption is calculated subscheme and is indicated by equation below:
Cooling-water machine under the paddy section power consumption * accumulation of energy operating modes of the paddy section power consumption of shared electrical equipment=shared electrical equipment
Group/Hot water units power consumption/(handpiece Water Chilling Units/Hot water units power consumption of non-accumulation of energy operating mode operation).
In the above-mentioned energy-conservation expense metering method for being applied to central air conditioner system of the present invention, the energy-conservation expense calculating side
Case also includes the second electricity consumption gauge for calculating the produced total electricity consumption (M2) under non-accumulation of energy operating mode of central air conditioner system
Operator scheme, and for calculating the second electricity cost of total electricity cost (W2) of the central air conditioner system under non-accumulation of energy operating mode
Calculate subscheme;
Second power consumption is calculated subscheme and is indicated by equation below:
The crest segment benchmark of the produced total electricity consumption M2=central air conditioner systems under non-accumulation of energy operating mode of central air conditioner system
The paddy section benchmark electricity of the flat section benchmark electricity+central air conditioner system of electricity+central air conditioner system;Wherein:
The crest segment energizing quantity * (total accumulation of energy electricity X2) of the crest segment benchmark electricity=central air conditioner system of central air conditioner system/
(total accumulation of energy amount X1);
The flat section delivery * (total accumulation of energy electricity X2) of the flat section benchmark electricity=central air conditioner system of central air conditioner system/
(total accumulation of energy amount X1);
The paddy section energizing quantity * (total accumulation of energy electricity X2) of the paddy section benchmark electricity=central air conditioner system of central air conditioner system/
(total accumulation of energy amount X1);
Second electricity cost is calculated subscheme and is indicated by equation below:
The crest segment base of the produced total electricity cost W2=central air conditioner system under non-accumulation of energy operating mode of central air conditioner system
The paddy section benchmark electricity of the flat section electricity price+central air conditioner systems of flat section benchmark electricity * of quasi- electricity * crest segments electricity price+central air conditioner system
Amount * paddy section benchmark electricity prices.
The present invention also constructs a kind of energy-conservation expense metering system for being applied to central air conditioner system, and the system includes:
Integral type energy meter, the total accumulation of energy amount (X1) for metering central air-conditioning system under accumulation of energy operating mode, and metering
Crest segment energizing quantity of the central air conditioner system under non-accumulation of energy operating mode, flat section energizing quantity and paddy section energizing quantity;
Multi-rate meter, for total accumulation of energy electricity (X2) of metering central air-conditioning system, under it, each electrical equipment is storing
The total electricity consumption (W1) that can be produced under operating mode and total electricity cost (M1) and each electrical equipment is produced under non-accumulation of energy operating mode under it
Raw total electricity consumption (W2) and total electricity cost (M2);
Controller, for gathering the continuous data of integral type energy meter and the continuous data of multi-rate meter, using interior
The energy-conservation expense numerical procedure calculating central air conditioner system put runs on the energy-conservation expense (S) produced by accumulation of energy operating mode;
The computer for connecting controller by data wire is used for the energy-conservation expense for receiving and in real time display controller is calculated
(S);
The energy-conservation expense numerical procedure is indicated by equation below:S=M2-M1;Wherein:
S represents that central air conditioner system runs on the energy-conservation expense produced by accumulation of energy operating mode;
M1 represents total electricity cost that each electrical equipment is produced under accumulation of energy operating mode under central air conditioner system;
M2 represents total electricity cost that each electrical equipment is produced under non-accumulation of energy operating mode under central air conditioner system.
In the above-mentioned energy-conservation expense metering system for being applied to central air conditioner system of the present invention, the controller include for
The first power consumption computing module of total electricity consumption (M1) of the central air conditioner system under accumulation of energy operating mode is calculated, and in calculating
First electricity cost computing module of total electricity cost (M1) of the centre air-conditioning system under accumulation of energy operating mode;
The first power consumption computing module calculates subscheme and calculates central air conditioner system based on the first built-in power consumption
Total electricity consumption (M1) under accumulation of energy operating mode, first power consumption is calculated subscheme and is indicated by equation below:
The flat section power consumption of the crest segment power consumption+non-common electrical equipment of total electricity consumption W1=non-common electrical equipments+non-
The flat section power consumption of the crest segment power consumption of the paddy section power consumption of shared electrical equipment+shared electrical equipment+shared electrical equipment+altogether
With the paddy section power consumption of electrical equipment;
The first electricity cost computing module calculates subscheme and calculates central air-conditioning based on the first built-in electricity cost
Total electricity cost (M1) of the system under accumulation of energy operating mode, first electricity cost calculates subscheme and carries out table by equation below
Show:
The crest segment power consumption * peaks of total electricity cost M1=non-common electrical equipment of the central air conditioner system under accumulation of energy operating mode
The paddy section power consumption * paddy section electricity of the flat section electricity price+non-common electrical equipments of flat section power consumption * of section electricity price+non-common electrical equipment
The flat section electricity prices of flat section power consumption * of the crest segment power consumption * crest segment electricity prices of valency+shared electrical equipment+shared electrical equipment+share and use
The paddy section power consumption * paddy section electricity prices of electric equipment.
In the above-mentioned energy-conservation expense metering system for being applied to central air conditioner system of the present invention, first power consumption is calculated
Module is further included to share electrical equipment crest segment power consumption calculating sub module, shares the flat section power consumption calculating submodule of electrical equipment
Block and shared electrical equipment paddy section power consumption calculating sub module;
The shared electrical equipment crest segment power consumption calculating sub module is based on built-in shared electrical equipment crest segment power consumption
The crest segment power consumption that subscheme calculates the shared electrical equipment of the central air conditioner system for having accumulation of energy function is calculated, the shared electricity consumption sets
Standby crest segment power consumption is calculated subscheme and is indicated by equation below:
Cooling-water machine under the crest segment power consumption * accumulation of energy operating modes of shared electrical equipment crest segment power consumption=shared electrical equipment
Group/Hot water units power consumption/(handpiece Water Chilling Units/Hot water units power consumption of non-accumulation of energy operating mode operation);
The flat section power consumption calculating sub module of the shared electrical equipment is based on the built-in flat section power consumption of shared electrical equipment
The flat section power consumption that subscheme calculates the shared electrical equipment of the central air conditioner system for having accumulation of energy function is calculated, the shared electricity consumption sets
Standby flat section power consumption is calculated subscheme and is indicated by equation below:
Cooling-water machine under the flat section power consumption * accumulation of energy operating modes of the flat section power consumption of shared electrical equipment=share electrical equipment
Group/Hot water units power consumption/(handpiece Water Chilling Units/Hot water units power consumption of non-accumulation of energy operating mode operation);
The shared electrical equipment paddy section power consumption calculating sub module is based on built-in shared electrical equipment paddy section power consumption
The paddy section power consumption that subscheme calculates the shared electrical equipment of the central air conditioner system for having accumulation of energy function is calculated, the shared electricity consumption sets
Standby paddy section power consumption is calculated subscheme and is indicated by equation below:
Cooling-water machine under the paddy section power consumption * accumulation of energy operating modes of shared electrical equipment paddy section power consumption=shared electrical equipment
Group/Hot water units power consumption/(handpiece Water Chilling Units/Hot water units power consumption of non-accumulation of energy operating mode operation).
In the above-mentioned energy-conservation expense metering system for being applied to central air conditioner system of the present invention, the controller include for
Calculate the second power consumption computing module of the produced total electricity consumption (M2) under non-accumulation of energy operating mode of central air conditioner system, Yi Jiyong
In the second electricity cost computing module for calculating total electricity cost (W2) of the central air conditioner system under non-accumulation of energy operating mode;
The second power consumption computing module calculates subscheme and calculates central air conditioner system based on the second built-in power consumption
Produced total electricity consumption (M2) under non-accumulation of energy operating mode, second power consumption calculates subscheme and carries out table by equation below
Show:
The crest segment benchmark of the produced total electricity consumption M2=central air conditioner systems under non-accumulation of energy operating mode of central air conditioner system
The paddy section benchmark electricity of the flat section benchmark electricity+central air conditioner system of electricity+central air conditioner system;Wherein:
The crest segment energizing quantity * (total accumulation of energy electricity X2) of the crest segment benchmark electricity=central air conditioner system of central air conditioner system/
(total accumulation of energy amount X1);
The flat section delivery * (total accumulation of energy electricity X2) of the flat section benchmark electricity=central air conditioner system of central air conditioner system/
(total accumulation of energy amount X1);
The paddy section energizing quantity * (total accumulation of energy electricity X2) of the paddy section benchmark electricity=central air conditioner system of central air conditioner system/
(total accumulation of energy amount X1);
The second electricity cost computing module calculates subscheme and calculates central air-conditioning based on the second built-in electricity cost
Produced total electricity cost W2 under non-accumulation of energy operating mode of system, second electricity cost is calculated subscheme and is entered by equation below
Row is represented:
The crest segment base of the produced total electricity cost W2=central air conditioner system under non-accumulation of energy operating mode of central air conditioner system
The paddy section benchmark electricity of the flat section electricity price+central air conditioner systems of flat section benchmark electricity * of quasi- electricity * crest segments electricity price+central air conditioner system
Amount * paddy section benchmark electricity prices.
Implement energy-conservation expense metering method and system that the present invention is applied to central air conditioner system, can reach following beneficial effect
Really:
1st, energy-conservation expense numerical procedure of the present invention has taken into full account energy loss of the central air conditioner system under accumulation of energy operating mode
And shared electrical equipment (such as cooling water pump or cold under the energy loss in electric energy transfer process, and central air conditioner system
But tower) electrical problem so that energy-conservation expense numerical procedure science of the present invention, rigorous, Jing energy-conservation expense numerical procedures of the present invention
Calculated energy-conservation expense result of calculation is more objective, accurately and reliably.
2nd, using integral type energy meter as energy meter utensil, it is convenient to change and check, its continuous data for the present invention
Good reliability, it is with a high credibility.
3rd, present invention employs multi-rate meter carries out continuous metering, the reliability of its continuous data to relevant device
It is good, it is with a high credibility.
Description of the drawings
The energy-conservation expense metering side for being applied to central air conditioner system that Fig. 1 is provided for first preferred embodiment of the present invention
The flow chart of method;
Continuous datas and built-in energy-conservation of the Fig. 2 for controller in the energy-conservation expense metering method shown in Fig. 1 based on collection
Expense numerical procedure calculates the flow chart of Energy Saving of Central Air-conditioning expense;
The energy-conservation expense metering system for being applied to central air conditioner system that Fig. 3 is provided for second preferred embodiment of the present invention
Structured flowchart;
Fig. 4 is the structured flowchart of the controller of the energy-conservation expense metering system shown in Fig. 3;
Fig. 5 is the structured flowchart of the first power consumption computing module of the controller shown in Fig. 4.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described.Based on the embodiment in the present invention,
The every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, belongs to this
The scope of bright protection.
The present invention proposes a kind of energy-conservation expense metering method for being applied to central air conditioner system, and the method can calculate tool and store
Energy-conservation expense of the central air conditioner system 500 of energy function under accumulation of energy operating mode, and show that energy-conservation is taken in real time by computer 400
With in order to the administrative staff of central air conditioner system 500 understanding and the operation conditions of grasp central air conditioner system 500, rational
The running schedule of central air conditioner system 500, preferably to manage and safeguard central air conditioner system 500.
Fig. 1 shows the stream of the energy-conservation expense metering method for being applied to central air conditioner system of first embodiment of the invention
Cheng Tu.As shown in figure 1, the energy-conservation expense metering method that the present invention is applied to central air conditioner system comprises the steps:
It is total under accumulation of energy operating mode by the metering central air-conditioning system 500 of integral type energy meter 100 first in step S101
Accumulation of energy amount X1, and its crest segment energizing quantity under non-accumulation of energy operating mode, flat section energizing quantity and paddy section energizing quantity.The partial data is used for
Controller 300 calculates total electricity consumption and total electricity cost of the central air conditioner system 500 under non-accumulation of energy operating mode, and the present invention is hereinafter
Partial content will be specifically addressed, be not described herein.
In later step S102, by total accumulation of energy electricity X2 of the metering central air-conditioning system 500 of multi-rate meter 200,
The produced total electricity consumption W1 under accumulation of energy operating mode of each electrical equipment and total electricity cost M1 under it, under it each electrical equipment non-
Total electricity consumption W2 produced under accumulation of energy operating mode and total electricity cost M2.
In later step S103, the continuous data of integral type energy meter 100 and multi-rate meter are gathered by controller 300
200 continuous datas, the continuous data of integral type energy meter 100 and the continuous data of multi-rate meter 200 based on collection, using interior
The energy-conservation expense numerical procedure calculating central air conditioner system 500 put runs on energy-conservation expense S produced by energy-conservation operating mode.
In the present invention, the energy-conservation expense numerical procedure can formulate as follows:S=M2-M1;Wherein:
S represents energy-conservation expense;
M1 represents the produced total electricity cost under accumulation of energy operating mode of each electrical equipment under central air conditioner system 500;
M2 represents the produced total electricity cost under non-accumulation of energy operating mode of each electrical equipment under central air conditioner system 500.
In later step S104, controller 300 will calculate the output of gained energy-conservation expense and be shown in the display of computer 400
Screen.
Fig. 2 shows the flow chart of a specific embodiment of step S103 in Fig. 1.As shown in Fig. 2 the step S103 bag
Include following sub-step:
First in step S1031, controller 300 is built-in with energy-conservation expense numerical procedure, the energy-conservation expense numerical procedure bag
Include the first power consumption for calculating total electricity consumption W1 of the central air conditioner system 500 under accumulation of energy operating mode to calculate subscheme, be used for
The first electricity cost for calculating total electricity cost M1 of the central air conditioner system 500 under accumulation of energy operating mode calculates subscheme, based on
The second power consumption for calculating total electricity consumption W2 of the central air conditioner system 500 under non-accumulation of energy operating mode calculates subscheme and based on
The second electricity cost for calculating total electricity cost W2 of the central air conditioner system 500 under non-accumulation of energy operating mode calculates subscheme.Controller
300 continuous datas of multi-rate meter 200 based on collection, using the first built-in power consumption subscheme and the first electricity consumption are calculated
Cost-calculation scheme calculates total electricity consumption W1 and total electricity consumption of each electrical equipment under accumulation of energy operating mode under central air conditioner system 500
Expense M1.
First power consumption is calculated subscheme and is indicated by equation below:
The flat section power consumption of the crest segment power consumption+non-common electrical equipment of total electricity consumption W1=non-common electrical equipments+non-
The flat section power consumption of the crest segment power consumption of the paddy section power consumption of shared electrical equipment+shared electrical equipment+shared electrical equipment+altogether
With the paddy section power consumption of electrical equipment;
First electricity cost is calculated subscheme and is indicated by equation below:
Always the flat section of electricity cost M1=non-common electrical equipment crest segment power consumption * crest segment electricity prices+non-common electrical equipment is used
The flat section electricity prices of electricity *+non-common electrical equipment paddy section power consumption * paddy section electricity prices+share electrical equipment crest segment power consumption * crest segments electricity
Valency+share the flat section electricity prices of the flat section power consumption * of electrical equipment+shared electrical equipment paddy section power consumption * paddy section electricity prices.
In the present invention, for calculating first electricity consumption of total electricity consumption M1 of the central air conditioner system 500 under accumulation of energy operating mode
Gauge operator scheme further includes that sharing electrical equipment crest segment power consumption calculates subscheme, shares the flat section power consumption of electrical equipment
Calculate subscheme and shared electrical equipment paddy section power consumption calculates subscheme;Wherein:
Shared electrical equipment crest segment power consumption is calculated subscheme and is indicated by equation below:
Cooling-water machine under the crest segment power consumption * accumulation of energy operating modes of shared electrical equipment crest segment power consumption=shared electrical equipment
Group/Hot water units power consumption/(handpiece Water Chilling Units/Hot water units power consumption of non-accumulation of energy operating mode operation);
The flat section power consumption of shared electrical equipment is calculated subscheme and is indicated by equation below:
Cooling-water machine under the flat section power consumption * accumulation of energy operating modes of the flat section power consumption of shared electrical equipment=shared electrical equipment
Group/Hot water units power consumption/(handpiece Water Chilling Units/Hot water units power consumption of non-accumulation of energy operating mode operation);
Shared electrical equipment paddy section power consumption is calculated subscheme and is indicated by equation below:
Cooling-water machine under the paddy section power consumption * accumulation of energy operating modes of the paddy section power consumption of shared electrical equipment=shared electrical equipment
Group/Hot water units power consumption/(handpiece Water Chilling Units/Hot water units power consumption of non-accumulation of energy operating mode operation).
In later step S1032, integral type energy meter 100 continuous data and multi tariff electricity of the controller 300 based on collection
The energy continuous data of table 200, calculates subscheme and the second electricity cost is calculated in subscheme calculating using the second built-in power consumption
Total electricity consumption W2 and total electricity cost M2 of the centre air-conditioning system 500 under non-accumulation of energy operating mode.
Second power consumption of the invention is calculated subscheme and can be indicated by equation below:
The crest segment base of the produced total electricity consumption M2=central air conditioner systems under non-accumulation of energy operating mode of central air conditioner system 500
The paddy section benchmark electricity of the flat section benchmark electricity+central air conditioner system of quasi- electricity+central air conditioner system;Wherein:
The total accumulation of energy electricity X2/ of crest segment energizing quantity * of the crest segment benchmark electricity=central air conditioner system 500 of central air conditioner system
Total accumulation of energy amount X1;
The total accumulation of energy electricity X2/ of flat section delivery * of the flat section benchmark electricity=central air conditioner system 500 of central air conditioner system
Total accumulation of energy amount X1;
The total accumulation of energy electricity X2/ of paddy section energizing quantity * of the paddy section benchmark electricity=central air conditioner system 500 of central air conditioner system
Total accumulation of energy amount X1;
Second electricity cost of the invention is calculated subscheme and is indicated by equation below:
The crest segment of the produced total electricity cost W2=central air conditioner system under non-accumulation of energy operating mode of central air conditioner system 500
The paddy section benchmark of the flat section electricity price+central air conditioner systems of flat section benchmark electricity * of benchmark electricity * crest segment electricity prices+central air conditioner system
Electricity * paddy section benchmark electricity prices.
In later step S1033, it is produced total under non-accumulation of energy operating mode that controller 300 calculates central air conditioner system 500
Difference in charge between produced total electricity cost W2 under non-accumulation of energy operating mode of power consumption M2 and central air conditioner system 500, should
Difference in charge is the produced energy-conservation expense under accumulation of energy operating mode of central air conditioner system 500.
Based on the energy-conservation expense metering method for being applied to central air conditioner system described above, the present invention also proposes a kind of answering
For the energy-conservation expense metering system of central air conditioner system.Fig. 3 shows that the present invention is applied to the energy-conservation expense of central air conditioner system
With the structured flowchart of a specific embodiment of metering system.
As shown in figure 3, the energy-conservation expense metering system that the present invention is applied to central air conditioner system includes:
Integral type energy meter 100, total accumulation of energy amount X1 for metering central air-conditioning system 500 under accumulation of energy operating mode, and
Crest segment energizing quantity of the metering central air-conditioning system 500 under non-accumulation of energy operating mode, flat section energizing quantity and paddy section energizing quantity;
Multi-rate meter 200, for total accumulation of energy electricity X2 of metering central air-conditioning system 500, each electrical equipment under it
Under accumulation of energy operating mode produced total electricity consumption W1 and total electricity cost M1 and under it each electrical equipment under non-accumulation of energy operating mode
Produced total electricity consumption W2 and total electricity cost M2;
The controller 300 of built-in energy-conservation expense numerical procedure, for gathering the continuous data of integral type energy meter 100 and answering
The continuous data of charge rate electric energy meter 200, the continuous data of integral type energy meter 100 and multi-rate meter 200 based on collection is counted
Amount data, using built-in energy-conservation expense numerical procedure the produced energy-conservation under accumulation of energy operating mode of central air conditioner system 500 is calculated
Expense S;
The computer 400 of controller 300 is connected by data wire, for receiving and showing energy-conservation expense S;
The energy-conservation expense numerical procedure is indicated by equation below:S=M2-M1;Wherein:
S represents energy-conservation expense;
M1 represents the produced total electricity cost under accumulation of energy operating mode of each electrical equipment under central air conditioner system 500;
M2 represents the produced total electricity cost under non-accumulation of energy operating mode of each electrical equipment under central air conditioner system 500.
It is applied in the energy-saving metering system of central air conditioner system 500 in the present invention, the accumulation of energy dress of central air conditioner system 500
It can be the containers such as water pot, pond to put, and controller 300 can be by PLC (Programable Logic Controller, you can compile
Journey logic controller 300), the device with calculation function such as single-chip microcomputer or computer 400 substituted.
Fig. 4 shows the structured flowchart of a specific embodiment of controller 300 in Fig. 3.As shown in figure 3, the controller
300 include the first power consumption computing module 301, the first electricity cost computing module 302, the second power consumption computing module 303 and
Second electricity cost computing module 304.
First power consumption computing module 301 calculates subscheme and calculates central air conditioner system based on the first built-in power consumption
The 500 total electricity consumption M1 under accumulation of energy operating mode, first power consumption is calculated subscheme and is indicated by equation below:
The flat section power consumption of the crest segment power consumption+non-common electrical equipment of total electricity consumption W1=non-common electrical equipments+non-
The flat section power consumption of the crest segment power consumption of the paddy section power consumption of shared electrical equipment+shared electrical equipment+shared electrical equipment+altogether
With the paddy section power consumption of electrical equipment;
First electricity cost computing module 302 calculates subscheme and calculates central air-conditioning system based on the first built-in electricity cost
500 total electricity costs M1 under accumulation of energy operating mode of system, first electricity cost is calculated subscheme and is indicated by equation below:
The crest segment electricity consumption of total electricity cost M1=non-common electrical equipment of the central air conditioner system 500 under accumulation of energy operating mode
The paddy section power consumption * paddy of the flat section electricity price+non-common electrical equipments of flat section power consumption * of amount * crest segment electricity prices+non-common electrical equipment
The flat section electricity prices of flat section power consumption * of the crest segment power consumption * crest segment electricity prices of section electricity price+shared electrical equipment+shared electrical equipment+altogether
With the paddy section power consumption * paddy section electricity prices of electrical equipment.
Second power consumption computing module 303 calculates subscheme and calculates central air conditioner system based on the second built-in power consumption
500 produced total electricity consumption M2 under non-accumulation of energy operating mode, second power consumption calculates subscheme and carries out table by equation below
Show:The crest segment benchmark electricity of the produced total electricity consumption M2=central air conditioner systems under non-accumulation of energy operating mode of central air conditioner system 500
The paddy section benchmark electricity of the flat section benchmark electricity+central air conditioner system of amount+central air conditioner system;Wherein:
Crest segment energizing quantity * (total accumulation of energy electricity of the crest segment benchmark electricity=central air conditioner system 500 of central air conditioner system
X2)/(total accumulation of energy amount X1);
Flat section delivery * (total accumulation of energy electricity of the flat section benchmark electricity=central air conditioner system 500 of central air conditioner system
X2)/(total accumulation of energy amount X1);
Paddy section energizing quantity * (total accumulation of energy electricity of the paddy section benchmark electricity=central air conditioner system 500 of central air conditioner system
X2)/(total accumulation of energy amount X1).
Second electricity cost computing module 304 calculates subscheme and calculates central air-conditioning system based on the second built-in electricity cost
500 produced total electricity costs W2 under non-accumulation of energy operating mode of system, second electricity cost calculates subscheme and passes through equation below
It is indicated:The peak of the produced total electricity cost W2=central air conditioner system under non-accumulation of energy operating mode of central air conditioner system 500
The paddy Duan Ji of the flat section electricity price+central air conditioner systems of flat section benchmark electricity * of section benchmark electricity * crest segment electricity prices+central air conditioner system
Quasi- electricity * paddy section benchmark electricity price.
Fig. 5 shows the structured flowchart of a specific embodiment of the first power consumption computing module 301 in Fig. 4.Such as Fig. 5 institutes
Show, the first power consumption computing module 301 further includes to share electrical equipment crest segment power consumption calculating sub module 3011, shares and use
The flat section power consumption calculating sub module 3012 of electric equipment, shared electrical equipment paddy section power consumption calculating sub module 3013.
The shared electrical equipment crest segment power consumption calculating sub module 3011 is based on built-in shared electrical equipment crest segment electricity consumption
Gauge operator scheme calculates the crest segment power consumption of the shared electrical equipment of the central air conditioner system 500 of tool accumulation of energy function, and this is shared
Electrical equipment crest segment power consumption is calculated subscheme and is indicated by equation below:
Cooling-water machine under the crest segment power consumption * accumulation of energy operating modes of shared electrical equipment crest segment power consumption=shared electrical equipment
Group/Hot water units power consumption/(handpiece Water Chilling Units/Hot water units power consumption of non-accumulation of energy operating mode operation);
The flat section power consumption calculating sub module 3012 of the shared electrical equipment is based on the built-in flat section electricity consumption of shared electrical equipment
Gauge operator scheme calculates the flat section power consumption of the shared electrical equipment of the central air conditioner system 500 of tool accumulation of energy function, and this is shared
The flat section power consumption of electrical equipment is calculated subscheme and is indicated by equation below:
Cooling-water machine under the flat section power consumption * accumulation of energy operating modes of the flat section power consumption of shared electrical equipment=share electrical equipment
Group/Hot water units power consumption/(handpiece Water Chilling Units/Hot water units power consumption of non-accumulation of energy operating mode operation);
The shared electrical equipment paddy section power consumption calculating sub module 3013 is based on built-in shared electrical equipment paddy section electricity consumption
Gauge operator scheme calculates the paddy section power consumption of the shared electrical equipment of the central air conditioner system 500 of tool accumulation of energy function, and this is shared
Electrical equipment paddy section power consumption is calculated subscheme and is indicated by equation below:
Cooling-water machine under the paddy section power consumption * accumulation of energy operating modes of shared electrical equipment paddy section power consumption=shared electrical equipment
Group/Hot water units power consumption/(handpiece Water Chilling Units/Hot water units power consumption of non-accumulation of energy operating mode operation).
The present invention is applied to the energy-conservation expense metering method of central air conditioner system and the advantage of system embodies as follows:
1st, energy-conservation expense numerical procedure of the present invention has taken into full account that energy of the central air conditioner system 500 under accumulation of energy operating mode is damaged
Energy loss in mistake and electric energy transfer process, and shared electrical equipment (such as cooling water pump under central air conditioner system 500
Or cooling tower) electrical problem so that energy-conservation expense numerical procedure science of the present invention, rigorous, Jing energy-conservation expenses of the present invention are calculated
The calculated energy-conservation expense result of calculation of scheme is more objective, accurately and reliably.
2nd, using integral type energy meter 100 as energy meter utensil, it is convenient to change and check, its continuous data for the present invention
Good reliability, it is with a high credibility.
3rd, present invention employs multi-rate meter 200 carries out continuous metering, the reliability of its continuous data to relevant device
Property is good, with a high credibility.
One of ordinary skill in the art will appreciate that realizing all or part of flow process in above-described embodiment method, can be
Related hardware is instructed to complete by computer program, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow process of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (Read Only Memory, ROM) or random access memory (Random ABBess
Memory, RAM) etc..
Embodiments of the invention are described above in conjunction with accompanying drawing, but be the invention is not limited in above-mentioned concrete
Embodiment, above-mentioned specific embodiment is only schematic, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of without departing from present inventive concept and scope of the claimed protection, can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (4)
1. a kind of energy-conservation expense metering method for being applied to central air conditioner system, it is characterised in that comprise the steps:
S1, the total accumulation of energy amount (X1) by integral type energy meter metering central air-conditioning system under accumulation of energy operating mode, and its in non-storage
Each energizing quantity at times under energy operating mode;
S2, by total accumulation of energy electricity (X2) of multi-rate meter metering central air-conditioning system, under it each electrical equipment in accumulation of energy
The total electricity consumption (W1) produced under operating mode and total electricity cost (M1) and each electrical equipment is produced under non-accumulation of energy operating mode under it
Total electricity consumption (W2) and total electricity cost (M2);
S3, integral type energy meter continuous data and multi-rate meter continuous data are gathered by controller, using built-in energy-conservation
Expense numerical procedure calculates central air conditioner system and runs on energy-conservation expense (S) produced by accumulation of energy operating mode, and by energy-conservation expense (S)
Export and shown on computer display;
The energy-conservation expense numerical procedure is indicated by equation below:S=M2-M1;Wherein:
S represents that central air conditioner system runs on the energy-conservation expense produced by accumulation of energy operating mode;
M1 represents total electricity cost that each electrical equipment is produced under accumulation of energy operating mode under central air conditioner system;
M2 represents total electricity cost that each electrical equipment is produced under non-accumulation of energy operating mode under central air conditioner system;
The electrical equipment of the central air conditioner system includes sharing electrical equipment and non-common electrical equipment, the energy-conservation expense meter
Calculation scheme includes that the first power consumption for calculating total electricity consumption (W1) of the central air conditioner system under accumulation of energy operating mode calculates son side
Case, and for calculating the first electricity cost calculating side of total electricity cost (M1) of the central air conditioner system under accumulation of energy operating mode
Case;
First power consumption for calculating total electricity consumption (W1) of the central air conditioner system under accumulation of energy operating mode calculates subscheme
It is indicated by equation below:
The flat section power consumption+non-common of the crest segment power consumption+non-common electrical equipment of total electricity consumption W1=non-common electrical equipments
The flat section power consumption of the crest segment power consumption of the paddy section power consumption of electrical equipment+shared electrical equipment+shared electrical equipment+share and use
The paddy section power consumption of electric equipment;
First electricity cost for calculating total electricity cost (M1) of the central air conditioner system under accumulation of energy operating mode calculates son
Scheme is indicated by equation below:
Total electricity cost M1=non-common electrical equipment crest segment power consumption * crest segment electricity prices+flat section power consumption * of non-common electrical equipment
Flat section electricity price+non-common electrical equipment paddy section power consumption * paddy section electricity prices+shared electrical equipment crest segment power consumption * crest segment electricity prices+altogether
With the flat section electricity prices of the flat section power consumption * of electrical equipment+shared electrical equipment paddy section power consumption * paddy section electricity prices;
First power consumption for calculating total electricity consumption (W1) of the central air conditioner system under accumulation of energy operating mode calculates subscheme
Further include to share electrical equipment crest segment power consumption calculate subscheme, share the flat section power consumption of electrical equipment calculate subscheme,
And shared electrical equipment paddy section power consumption calculates subscheme;
The shared electrical equipment crest segment power consumption is calculated subscheme and is indicated by equation below:
Handpiece Water Chilling Units/heat under the crest segment power consumption * accumulation of energy operating modes of shared electrical equipment crest segment power consumption=shared electrical equipment
Water dispenser group power consumption/(handpiece Water Chilling Units/Hot water units power consumption of non-accumulation of energy operating mode operation);
The flat section power consumption of the shared electrical equipment is calculated subscheme and is indicated by equation below:
Handpiece Water Chilling Units under the flat section power consumption * accumulation of energy operating modes of the flat section power consumption of shared electrical equipment=shared electrical equipment/
Hot water units power consumption/(handpiece Water Chilling Units/Hot water units power consumption of non-accumulation of energy operating mode operation);
The shared electrical equipment paddy section power consumption is calculated subscheme and is indicated by equation below:
Handpiece Water Chilling Units under the paddy section power consumption * accumulation of energy operating modes of the paddy section power consumption of shared electrical equipment=shared electrical equipment/
Hot water units power consumption/(handpiece Water Chilling Units/Hot water units power consumption of non-accumulation of energy operating mode operation).
2. the energy-conservation expense metering method for being applied to central air conditioner system according to claim 1, it is characterised in that described
Energy-conservation expense numerical procedure also includes the total electricity consumption (W2) produced under non-accumulation of energy operating mode for calculating central air conditioner system
The second power consumption calculate subscheme, and for calculating total electricity cost (M2) of the central air conditioner system under non-accumulation of energy operating mode
The second electricity cost calculate subscheme;
Second power consumption is calculated subscheme and is indicated by equation below:
The crest segment benchmark electricity of the produced total electricity consumption W2=central air conditioner systems under non-accumulation of energy operating mode of central air conditioner system+
The paddy section benchmark electricity of the flat section benchmark electricity+central air conditioner system of central air conditioner system;Wherein:
The crest segment energizing quantity * (total accumulation of energy electricity X2) of the crest segment benchmark electricity=central air conditioner system of central air conditioner system/(total to store
Energy X1);
The flat section delivery * (total accumulation of energy electricity X2) of the flat section benchmark electricity=central air conditioner system of central air conditioner system/(total to store
Energy X1);
The paddy section energizing quantity * (total accumulation of energy electricity X2) of the paddy section benchmark electricity=central air conditioner system of central air conditioner system/(total to store
Energy X1);
Second electricity cost is calculated subscheme and is indicated by equation below:
The crest segment benchmark electricity of the produced total electricity cost M2=central air conditioner system under non-accumulation of energy operating mode of central air conditioner system
The paddy section benchmark electricity * paddy of the flat section electricity price+central air conditioner systems of flat section benchmark electricity * of amount * crest segment electricity prices+central air conditioner system
Section benchmark electricity price.
3. a kind of energy-conservation expense metering system for being applied to central air conditioner system, it is characterised in that the system includes:
Integral type energy meter, the total accumulation of energy amount (X1) for metering central air-conditioning system under accumulation of energy operating mode, and metering central
Crest segment energizing quantity of the air-conditioning system under non-accumulation of energy operating mode, flat section energizing quantity and paddy section energizing quantity;
Multi-rate meter, for total accumulation of energy electricity (X2) of metering central air-conditioning system, under it each electrical equipment in accumulation of energy work
The total electricity consumption (W1) produced under condition and total electricity cost (M1) and each electrical equipment is produced under non-accumulation of energy operating mode under it
Total electricity consumption (W2) and total electricity cost (M2);
Controller, for gathering the continuous data of integral type energy meter and the continuous data of multi-rate meter, using built-in
Energy-conservation expense numerical procedure calculating central air conditioner system runs on the energy-conservation expense (S) produced by accumulation of energy operating mode;
The computer for connecting controller by data wire is used for the energy-conservation expense (S) for receiving and in real time display controller is calculated;
The energy-conservation expense numerical procedure is indicated by equation below:S=M2-M1;Wherein:
S represents that central air conditioner system runs on the energy-conservation expense produced by accumulation of energy operating mode;
M1 represents total electricity cost that each electrical equipment is produced under accumulation of energy operating mode under central air conditioner system;
M2 represents total electricity cost that each electrical equipment is produced under non-accumulation of energy operating mode under central air conditioner system;
The controller includes the first power consumption for calculating total electricity consumption (W1) of the central air conditioner system under accumulation of energy operating mode
Computing module, and the first energy charge for calculating total electricity cost (M1) of the central air conditioner system under accumulation of energy operating mode uses tricks
Calculate module;
The first power consumption computing module calculates subscheme and calculates central air conditioner system in storage based on the first built-in power consumption
Total electricity consumption (W1) under energy operating mode, first power consumption is calculated subscheme and is indicated by equation below:
The flat section power consumption+non-common of the crest segment power consumption+non-common electrical equipment of total electricity consumption W1=non-common electrical equipments
The flat section power consumption of the crest segment power consumption of the paddy section power consumption of electrical equipment+shared electrical equipment+shared electrical equipment+share and use
The paddy section power consumption of electric equipment;
The first electricity cost computing module calculates subscheme and calculates central air conditioner system based on the first built-in electricity cost
Total electricity cost (M1) under accumulation of energy operating mode, first electricity cost is calculated subscheme and is indicated by equation below:
The crest segment power consumption * crest segments electricity of total electricity cost M1=non-common electrical equipment of the central air conditioner system under accumulation of energy operating mode
The paddy section power consumption * paddy section electricity prices of the flat section electricity price+non-common electrical equipments of flat section power consumption * of valency+non-common electrical equipment+altogether
Set with the flat section electricity prices of the flat section power consumption *+shared electricity consumption of the crest segment power consumption * crest segment electricity prices+shared electrical equipment of electrical equipment
Standby paddy section power consumption * paddy section electricity prices;
The first power consumption computing module is further included to share electrical equipment crest segment power consumption calculating sub module, shares electricity consumption
The flat section power consumption calculating sub module of equipment and shared electrical equipment paddy section power consumption calculating sub module;
The shared electrical equipment crest segment power consumption calculating sub module is calculated based on built-in shared electrical equipment crest segment power consumption
Subscheme calculates the crest segment power consumption of the shared electrical equipment of the central air conditioner system of tool accumulation of energy function, the shared electrical equipment peak
Section power consumption is calculated subscheme and is indicated by equation below:
Handpiece Water Chilling Units/heat under the crest segment power consumption * accumulation of energy operating modes of shared electrical equipment crest segment power consumption=shared electrical equipment
Water dispenser group power consumption/(handpiece Water Chilling Units/Hot water units power consumption of non-accumulation of energy operating mode operation);
The flat section power consumption calculating sub module of the shared electrical equipment is calculated based on the built-in flat section power consumption of shared electrical equipment
Subscheme calculates the flat section power consumption of the shared electrical equipment of the central air conditioner system of tool accumulation of energy function, and the shared electrical equipment is put down
Section power consumption is calculated subscheme and is indicated by equation below:
Handpiece Water Chilling Units/heat under the flat section power consumption * accumulation of energy operating modes of the flat section power consumption of shared electrical equipment=share electrical equipment
Water dispenser group power consumption/(handpiece Water Chilling Units/Hot water units power consumption of non-accumulation of energy operating mode operation);
The shared electrical equipment paddy section power consumption calculating sub module is calculated based on built-in shared electrical equipment paddy section power consumption
Subscheme calculates the paddy section power consumption of the shared electrical equipment of the central air conditioner system of tool accumulation of energy function, the shared electrical equipment paddy
Section power consumption is calculated subscheme and is indicated by equation below:
Handpiece Water Chilling Units/heat under the paddy section power consumption * accumulation of energy operating modes of shared electrical equipment paddy section power consumption=shared electrical equipment
Water dispenser group power consumption/(handpiece Water Chilling Units/Hot water units power consumption of non-accumulation of energy operating mode operation).
4. the energy-conservation expense metering system for being applied to central air conditioner system according to claim 3, it is characterised in that described
Controller includes the second power consumption for calculating the produced total electricity consumption (W2) under non-accumulation of energy operating mode of central air conditioner system
Computing module, and for calculating the second electricity cost of total electricity cost (M2) of the central air conditioner system under non-accumulation of energy operating mode
Computing module;
The second power consumption computing module calculates subscheme and calculates central air conditioner system non-based on the second built-in power consumption
Produced total electricity consumption (W2) under accumulation of energy operating mode, second power consumption is calculated subscheme and is indicated by equation below:
The crest segment benchmark electricity of the produced total electricity consumption W2=central air conditioner systems under non-accumulation of energy operating mode of central air conditioner system+
The paddy section benchmark electricity of the flat section benchmark electricity+central air conditioner system of central air conditioner system;Wherein:
The crest segment energizing quantity * (total accumulation of energy electricity X2) of the crest segment benchmark electricity=central air conditioner system of central air conditioner system/(total to store
Energy X1);
The flat section delivery * (total accumulation of energy electricity X2) of the flat section benchmark electricity=central air conditioner system of central air conditioner system/(total to store
Energy X1);
The paddy section energizing quantity * (total accumulation of energy electricity X2) of the paddy section benchmark electricity=central air conditioner system of central air conditioner system/(total to store
Energy X1);
The second electricity cost computing module calculates subscheme and calculates central air conditioner system based on the second built-in electricity cost
Produced total electricity cost M2 under non-accumulation of energy operating mode, second electricity cost calculates subscheme and carries out table by equation below
Show:
The crest segment benchmark electricity of the produced total electricity cost M2=central air conditioner system under non-accumulation of energy operating mode of central air conditioner system
The paddy section benchmark electricity * paddy of the flat section electricity price+central air conditioner systems of flat section benchmark electricity * of amount * crest segment electricity prices+central air conditioner system
Section benchmark electricity price.
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JP2002115885A (en) * | 2000-10-10 | 2002-04-19 | Matsushita Seiko Co Ltd | Energy control system for air conditioner |
CN101464475A (en) * | 2009-01-23 | 2009-06-24 | 北京佩尔优科技有限公司 | Energy accumulation income measuring system and method thereof |
CN102129727A (en) * | 2011-02-15 | 2011-07-20 | 深圳达实智能股份有限公司 | Online auditing method and device of central air conditioning system |
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