CN101440989A - Requirement controller of electric system - Google Patents
Requirement controller of electric system Download PDFInfo
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- CN101440989A CN101440989A CNA2008101110554A CN200810111055A CN101440989A CN 101440989 A CN101440989 A CN 101440989A CN A2008101110554 A CNA2008101110554 A CN A2008101110554A CN 200810111055 A CN200810111055 A CN 200810111055A CN 101440989 A CN101440989 A CN 101440989A
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- indoor unit
- conditioner
- power consumption
- air
- demand
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
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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
- F24F11/46—Improving electric energy efficiency or saving
- F24F11/47—Responding to energy costs
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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
- F24F11/62—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
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/50—Load
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/60—Energy consumption
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
Abstract
The invention provides a demand controller of an electric system, which distributes priority for each of air conditioners based on power consumption of the air conditioners and performs demand control according to the priority of the air conditioners. Therefore, appropriate air conditioner environment can be established rapidly without decreasing the customer satisfaction.
Description
The application requires the priority of on November 22nd, 2007 at the korean patent application No.10-2007-0119859 of Korea S Department of Intellectual Property submission, and its content is contained in this by all quoting.
Technical field
The present invention relates to a kind of demand controller of electrical system, the power consumption based on air-conditioner that relates in particular to a kind of electrical system is each the distribution priority in a plurality of air-conditioners, and the demand controller that each air-conditioner is carried out demand control according to the priority of air-conditioner.
Background technology
Usually, the demand controller of electrical system is controlled power consumption by following manner: at random or according to one group of rule select some air-conditioners from a plurality of air-conditioners of eurypalynous air-conditioning system under the situation of the priority of not considering air-conditioner, and open or close selected air-conditioner so that regulate the running rate of multi-type air conditioner system in admissible electric energy scope.
Demand control system is carried out its operation, makes power control have precedence over user friendliness.More particularly, demand control system reduces power consumption by the energy consumption load of the some electrical equipments in the orderly close-down electrical system.
Yet traditional demand control system opens or closes some air-conditioners in order, and does not consider user's convenience, thereby has reduced user satisfaction.
Summary of the invention
The invention provides a kind of demand controller of electrical system, described demand controller is that in a plurality of air-conditioners each is distributed priority based on the power consumption of air-conditioner, and according to the priority of air-conditioner each air-conditioner is carried out demand control.
According to an aspect of the present invention, provide a kind of demand controller of electrical system, electrical system has the electrical equipment that comprises a plurality of air-conditioners, and demand controller comprises: the estimation electric energy detection unit that calculates the estimation electric energy of electrical equipment; And demand control module, estimating that electric energy surpasses under the situation of predetermined power, the mode of operation of demand control module control electrical equipment, in the air-conditioner each comprises a plurality of indoor units and at least one outdoor unit, outdoor unit provides cold-producing medium in the indoor unit each, and the demand control module is that each indoor unit of each air-conditioner distributes priority based on the power consumption of each indoor unit of each air-conditioner, and controls air-conditioner according to the priority of each indoor unit of each air-conditioner.
According to the present invention, can be each the distribution priority in a plurality of air-conditioners according to the power consumption of air-conditioner, and can carry out demand control according to the priority of each air-conditioner.Therefore, can for providing suitable air conditioner surroundings, the user can not damage user's satisfaction fast.
Description of drawings
By preferred embodiment of the present invention will be described in detail by reference to the drawing, above-mentioned and further feature of the present invention and advantage will become more obvious, in the accompanying drawings:
Fig. 1 illustrates the block diagram according to the electrical system that comprises demand controller of the embodiment of the invention;
Fig. 2 illustrates the block diagram of the example of an air-conditioner in a plurality of air-conditioners shown in Figure 1;
Fig. 3 illustrates the block diagram of demand control module shown in Figure 1;
Fig. 4 illustrates the flow chart according to the demand control method of the embodiment of the invention;
Fig. 5 illustrates the block diagram of another example of an air-conditioner in the air-conditioner shown in Figure 1.
The specific embodiment
Hereinafter, will describe the present invention in detail with reference to the accompanying drawing that exemplary embodiment of the present is shown.
Fig. 1 illustrates the block diagram according to the electrical system that comprises demand controller 100 190 of the embodiment of the invention, and Fig. 2 illustrates the block diagram of an air-conditioner example in a plurality of air-conditioner 141 shown in Figure 1.With reference to figure 1, electrical system 190 comprises a plurality of air-conditioners 141, a plurality of ventilation equipment 142 and a plurality of lighting apparatus 143.
Electrical system 190 comprises: second local controller 162 of first local controller 161 of control air-conditioner 141, control ventilation equipment 142 and the 3rd local controller 163 of control lighting apparatus 143.First local controller 161 can not only be controlled air-conditioner 141, but also controls at least some ventilation equipment 142.That is to say that each in first to the 3rd local controller 161～163 can be controlled dissimilar electrical equipments.The demand controller 100 and first to the 3rd local controller 161～163 are connected to network 164.
With reference to figure 2, each air-conditioner 141 comprises at least one outdoor unit 141a of a plurality of indoor unit 141b and control indoor unit 141b.Each indoor unit 141b in each air-conditioner 141 comprises indoor temperature detector 141c, the temperature in the room that indoor temperature detector 141c measurement respective chambers unit 141b is installed in.The indoor unit 141b of each air-conditioner 141 can place the interior space, and the outdoor unit 141a of each air-conditioner 141 can place the exterior space.Yet, the structure that the structure of air-conditioner 141 is not limited to here to be set forth.
With reference to figure 1, demand controller 100 comprises estimates electric energy detection unit 170, demand control module 110, input block 120, demand database 130 and display unit 150.The various operation signals that input block 120 receives from the user, and can comprise a plurality of enter key (not shown).Input block 120 can be a touch panel.
The a plurality of demand control programs of demand database 130 storage, these programs are used for according to each country how electricity consumption being charged electrical system 190 is carried out demand control.Demand controller 110 can carry out demand control to first to the 3rd local controller 161～163, thereby, finally air-conditioner 141, ventilation equipment 142 and lighting apparatus 143 are carried out demand control by one of demand control program of existing in the user demand database 130.
Display unit 150 shows represents each national view data.Display unit 150 can provide user interface (UI).More particularly, for the ease of operation display unit 150, display unit 150 can provide graphical user interface (GUI).
Estimate that electric energy detection unit 170 is connected to the ammeter (watt-hour meter) 171 that has connected a plurality of electrical equipments.Estimate that electric energy detection unit 170 receives the electric energy measurement data that obtain by the electric energy of measuring in the scheduled time from ammeter 171, and estimate electric energy based on the electric energy measurement data that received.Afterwards, estimate electric energy detection unit 170 judges whether estimated electric energy exceeds the electric energy of setting, and judged result is sent to demand controller 110.Demand controller 110 is connected to estimates electric energy detection unit 170, and is connected to the outdoor unit 141a and the indoor unit 141b of each air-conditioner 141.Therefore, if estimated electric energy exceeds the electric energy of setting, the then outdoor unit 141a of demand controller 110 each air-conditioner 141 of control and the operation of indoor unit 141b.
Country variant may adopt different demand control programs.For example, in Japan, to month interval measurement power consumption with 30 minutes, the maximum of the electric weight of surveying was confirmed as corresponding month maximum power consumption.30 minutes maximum power consumptions in the previous year any given day can be confirmed as the contract electric energy (contract electric energy) in the current year.Therefore, the electricity charge in the current year can be calculated by the contract electric energy that multiply by the current year with unit price.If user's consumption has surpassed the contract electric energy, then to pay additional cost.Therefore, if 30 minutes maximum power consumptions in the previous year any given day are big, then the power consumption in the current year may unnecessarily increase.In Japan,, 30 minutes electricity consumption total amounts are limited under the predetermined power level in order to address this problem.For this reason, can adopt the whole bag of tricks.Demand controller 100 can be by stopping some the running in the air-conditioner 141, perhaps when some indoor unit 141b of each air-conditioner 141 when carrying out refrigerating operation by the setting indoor temperature of raising respective chambers unit 141b, reduce power consumption.Open communique No.2000-131688 of Japan Patent and No.2000-182920 disclose the detailed description of the demand control method of above-mentioned Japan.Because the electric charge calculating method that Korea S adopted is very similar to the electric charge calculating method of Japan, so Korea S also can adopt the demand control method of above-mentioned Japan.
In the country of the annual power consumption total amount of restriction, demand controller 100 can use the demand control program that annual power consumption is limited in specific power level.On the other hand, set than in off-peak period the country that the electric lighting bill is heavy in the electricity charge of peak period, demand controller 100 can use the demand control program that only just annual power consumption is limited in specific power level during peak period.
Power divider unit 180 can be connected to the outdoor unit 141a of each air-conditioner 141 by order wire 181.The outdoor unit 141a that can be set up and connected to separately with total corresponding some power dividers unit 180 of the outdoor unit 141a that is provided with in the electrical system.
Power divider unit 180 can be connected to ammeter 171 in PDL (pulse data line, pulse data line) mode.Ammeter 171 is measured the electric energy cumulant of the outdoor unit 141a that offers each air-conditioner 141, and measurement result is sent to power divider unit 180.
Power divider unit 180 calculates the power consumption of the indoor unit 141b of each air-conditioner 141 based on the indoor unit information that is provided by each the indoor unit 141b in each air-conditioner 141, and shows result of calculation.Then, power divider unit 180 is sent to demand control module 110 with this result of calculation, so that the amount of electric energy that makes 110 pairs of demand control modules distribute to the outdoor unit 141a of each air-conditioner 141 is regulated.The indoor unit information that is provided by each the indoor unit 141b in each air-conditioner 141 can comprise capacity and the mode of operation of each the indoor unit 141b in each air-conditioner 141.More particularly, power divider unit 180 can calculate the weighted sum of air quantity of the indoor unit 141b of the opening degree (hereinafter being called aperture) of electric expansion valve of indoor unit 141b of each air-conditioner 141 and each air-conditioner 141, and determines the power consumption of the indoor unit 141b of each air-conditioner 141 based on result of calculation.The weight of weighted sum of air quantity that is used for calculating the indoor unit 141b of the aperture of electric expansion valve of indoor unit 141b of each air-conditioner 141 and each air-conditioner 141 can change.This weight can be confirmed as making the power consumption of indoor unit 141b of each air-conditioner 141 can be always proportional with the capacity of the indoor unit 141b of each air-conditioner 141.Power divider unit 180 also can calculate instantaneous power consumption, month power consumption and the accumulated power consumption of the indoor unit 141b of each air-conditioner 141 based on the power consumption of the indoor unit 141b of each air-conditioner 141.The indoor unit 141b that each air-conditioner 141 can be measured in power divider unit 180 at a time between in the section accumulated power consumption and show measurement result.If measurement result is initialised, then power divider unit 180 can be after the initialization of measurement result, the indoor unit 141b that measures each air-conditioner 141 once more at a time between accumulated power consumption in the section.
The measurement data of the power consumption of the indoor unit 141b of relevant each air-conditioner 141 of being obtained by power divider unit 180 communication module 112 by demand control module 110 can be stored in the demand database 130.Demand control module 110 can distribute low priority to the indoor unit 141b with low-power consumption.
Fig. 3 illustrates the block diagram of demand control module 110 shown in Figure 1.With reference to figure 3, demand control module 110 is included as each air-conditioner 141 and distributes the priority of priority that device 111 is set, data is sent to power divider unit 180 or 180 operation controls 113 that receive the operation of the communication module 112 of data and control air-conditioner 141 from the power divider unit.
If estimate that electric energy is confirmed as exceeding the setting electric energy, then operation control 113 reduces the running rate of the indoor unit 141b of each air-conditioner 141 according to the priority of the indoor unit 141b of each air-conditioner 141.Running rate is the percentage of the total capacity of current each indoor unit that is using.When indoor unit moved with its full capacity, the running rate of this indoor unit was 100%.
Priority is provided with that device 111 is provided with by the user or default setting to come be that each air-conditioner 141 distributes priority.Because the indoor unit 141b of each air-conditioner 141 is driven,, priority can consider that it is that each air-conditioner 141 distributes priority that the characteristic of running environment of the indoor unit of each air-conditioner 141 is come so being provided with device 111 in different running environment.The power consumption of the indoor unit 141b of each air-conditioner 141 can reflect the load of the indoor unit 141b of each air-conditioner 141.Therefore, priority is provided with device 111 and can distribute priority for each indoor unit 141b of each air-conditioner 141 based on the power consumption of the indoor unit 141b of the load, particularly each air-conditioner 141 of the indoor unit 141b of each air-conditioner 141.More particularly, be confirmed as height owing to have the load of the indoor unit 141b of high power consumption, so can distribute high priority for indoor unit 141b, make and to carry out demand control in the later stage of demand control operation to corresponding indoor unit 141b with high power consumption.Owing to believe it is low in the local user's that high capacity indoor unit 141b is installed satisfaction, if so as the part of demand control, be closed in the indoor unit 141b in this place or the running rate of reduction indoor unit 141b, user's satisfaction can further reduce.On the other hand, owing to believe it is high in the local user's that the indoor unit 141b with low load is installed satisfaction, even so as the part of demand control, be closed in the indoor unit 141b in this place or the running rate of reduction indoor unit 141b, user's satisfaction can not have substantial degradation yet.In brief, if estimate that electric energy is confirmed as exceeding the setting electric energy, then operation control 113 can reduce the running rate of the indoor unit 141b of each air-conditioner 141 in order with the inverted order of priority.
Priority is provided with device 111 and can distribute priority for each indoor unit 141b of each air-conditioner 141 based on the rate of change of the power consumption of the indoor unit 141b of each air-conditioner 141.The rate of change of the power consumption of the indoor unit 141b of each air-conditioner 141 also can reflect the load of the indoor unit 141b of each air-conditioner 141.Therefore, priority is provided with device 111 and can distribute priority for each indoor unit 141b of each air-conditioner 141 based on the power consumption of the indoor unit 141b of the load, particularly each air-conditioner 141 of the indoor unit 141b of each air-conditioner 141.More particularly, priority is provided with the data of change of power consumption rate of the indoor unit 141b of relevant each air-conditioner 141 of device 111 in can reference requirement database 130, comes to distribute low priority for the indoor unit 141b with low-power consumption rate of change.For example, believed it is high owing to have the load of the indoor unit 141b of high change of power consumption rate, so can distribute high priority for indoor unit 141b, make and to carry out demand control in the later stage of demand control operation to corresponding indoor unit 141b with high change of power consumption rate.
Fig. 4 illustrates the flow chart according to the demand control method of the embodiment of the invention.With reference to figure 4, estimate that electric energy detection unit 170 receives the electric energy measurement data that obtain by the electric energy of measuring each air-conditioner 141 in the scheduled time from ammeter 171, and estimate electric energy (S100) based on received electric energy measurement data.Afterwards, estimation electric energy detection unit 170 judges whether estimated electric energy exceeds the electric energy (S200) that sets.If determine to estimate that electric energy has exceeded the setting electric energy, then power divider unit 180 calculates the power consumption of the indoor unit 141b of each air-conditioner 141, and result of calculation is sent to demand database 130, and demand database 130 will store (S300) by the result that power divider unit 180 is calculated.The power consumption of the indoor unit 141b of each air-conditioner 141 can reflect the load of the indoor unit 141b of each air-conditioner 141.Therefore, priority is provided with device 111 to distribute priority (S400) for each indoor unit 141b of each air-conditioner 141 based on the power consumption of the indoor unit 141b of each air-conditioner 141, and the method for salary distribution is that the indoor unit 141b with low-power consumption can be set up than the low priority of indoor unit 141b with high power consumption.Be confirmed as height owing to have the load of the indoor unit 141b of high power consumption,, make and to carry out demand control in the later stage of demand control operation to corresponding indoor unit 141b so can distribute high priority for indoor unit 141b with high power consumption.On the other hand, because the satisfaction the local user that low load indoor unit 141b is installed believes it is high, so can distribute low priority for the low indoor unit 141b of load, even because be closed in these local indoor unit 141b as the part of demand control or reduce the running rate of indoor unit 141b, user's satisfaction can not have substantial degradation yet.In case determined the priority of the indoor unit 141b of each air-conditioner 141, operation control 113 reduces the running rate (S500) of the indoor unit 141b of each air-conditioner 141 in order with the inverted order of priority.
Fig. 5 illustrates the block diagram of another example of an air-conditioner in the air-conditioner shown in Figure 1 141.With reference to figure 5, each air-conditioner 141 can comprise a plurality of indoor unit 141b group (that is, G1～G3) and a plurality of outdoor unit 141a, described a plurality of outdoor unit 141a controls indoor unit group separately.The some indoor unit 141b that are divided in same group can be connected to same outdoor unit 141a, or are connected to different outdoor unit 141a.
For a plurality of indoor unit 141b are divided into one or more groups, the user can be to input block 120 input operation signals.Then, demand control module 110 can be divided into one or more groups with a plurality of indoor unit 141b according to the operation signal by user's input.
As mentioned above, the power consumption of indoor unit group G1～G3 can reflect the load of indoor unit group G1～G3.Therefore, the load of the indoor unit group that indoor unit power consumption sum is big is confirmed as height, therefore, can be the big high priority of indoor unit set of dispense of indoor unit power consumption sum.Priority is provided with device 111 also can distribute priority for dividing to go into each the indoor unit 141b in each of indoor unit group G1～G3 based on the power consumption of divide the indoor unit 141b in each of indoor unit group G1～G3.Selectively, to be provided with that device 111 can come based on other various factors (for example change of power consumption rate of indoor unit group G1～G3) beyond the power consumption sum of divide the indoor unit 141b in each of indoor unit group G1～G3 be that among indoor unit group G1～G3 each is distributed priority to priority.
In case determined the priority of indoor unit group G1～G3, then demand control module 110 is according to the priority of indoor unit group G1～G3 and the priority of dividing to go into the indoor unit 141b in each of indoor unit group G1～G3, controls branch and goes into indoor unit 141b in each of indoor unit group G1～G3.More particularly, be confirmed as surpassing the electric energy of setting if estimate electric energy, then operation control 113 can be controlled indoor unit group G1～G3 according to the priority of indoor unit group G1～G3 by following manner: the order of determining indoor unit group G1～G3 is carried out demand control according to the priority of indoor unit group G1～G3, and, reduce the running rate that divides to go into the indoor unit 141b among respective chambers unit group G1～G3 in order according to the inverted order that is divided into the priority of the indoor unit 141b of current indoor unit group of just carrying out demand control among indoor unit group G1～G3.
Though specifically illustrate and illustrated the present invention with reference to exemplary embodiment of the present invention, but those of ordinary skill in the art will appreciate that, the present invention can carry out various changes in form and details, and does not depart from by the determined the spirit and scope of the invention of appended claims.
Claims (11)
1. the demand controller of an electrical system, described electrical system has the electrical equipment that comprises a plurality of air-conditioners, and described demand controller comprises:
Calculate the estimation electric energy detection unit of the estimation electric energy of described electrical equipment; And
The demand control module surpasses under the situation of predetermined power at described estimation electric energy, and described demand control module is controlled the mode of operation of described electrical equipment,
Wherein, in the described air-conditioner each comprises a plurality of indoor units and at least one outdoor unit, described outdoor unit provides cold-producing medium in the described indoor unit each, and described demand control module is that each indoor unit of each described air-conditioner distributes priority based on the power consumption of each indoor unit of each described air-conditioner, and controls described air-conditioner according to the priority of each indoor unit of each described air-conditioner.
2. demand controller according to claim 1, also comprise the power divider unit, the indoor unit information that described power divider unit provides based on each indoor unit by each described air-conditioner is calculated the power consumption of each indoor unit of each described air-conditioner
Wherein, described power divider unit calculates the power consumption of described air-conditioner based on the power consumption of each indoor unit of each described air-conditioner.
3. demand controller according to claim 2 also comprises demand database, the data of the power consumption of each indoor unit of relevant each described air-conditioner that described demand data library storage is provided by described power divider unit,
Wherein, described demand control module is based on the data of the power consumption of each indoor unit of relevant each the described air-conditioner that exists in the described demand database, each described indoor unit distribution priority for each described air-conditioner makes the indoor unit with low-power consumption can be set to the priority lower than the indoor unit with high power consumption.
4. demand controller according to claim 1 also comprises demand database, the data of the change of power consumption rate of each indoor unit of relevant each described air-conditioner that described demand data library storage is provided by described power divider unit,
Wherein, described demand control module is based on the data of the change of power consumption rate of each indoor unit of relevant each the described air-conditioner that exists in the described demand database, each described indoor unit distribution priority for each described air-conditioner makes the indoor unit with low-power consumption rate of change can be set to the priority lower than the indoor unit with high change of power consumption rate.
5. according to any described demand controller in the claim 1～4, wherein, if described estimation electric energy exceeds described predetermined power, then described demand control module reduces the running rate of each indoor unit of each described air-conditioner in order with the inverted order of the priority of each indoor unit of each described air-conditioner.
6. demand controller according to claim 1, wherein, described demand control module is divided into one or more groups with each indoor unit of each described air-conditioner, power consumption based on each indoor unit group is each described indoor unit set of dispense priority, and controls each indoor unit group according to the priority of each indoor unit group.
7. demand controller according to claim 6, also comprise the power divider unit, the indoor unit information that described power divider unit provides based on each indoor unit by each described air-conditioner is calculated the power consumption of each indoor unit of each described air-conditioner
Wherein, described power divider unit calculates the power consumption of each indoor unit group based on the power consumption sum that is divided into each indoor unit in each described indoor unit group.
8. demand controller according to claim 7 also comprises demand database, that described demand data library storage is provided by described power divider unit, as to be divided into each indoor unit in each described indoor unit group power consumption sum,
Wherein, described demand control module makes the indoor unit group with low-power consumption can be set to than the low priority of indoor unit group with high power consumption based on the power consumption sum that is divided into the indoor unit in each described indoor unit group each described indoor unit distribution priority for each described air-conditioner.
9. according to any described demand controller in the claim 6～9, wherein, if described estimation electric energy exceeds described predetermined power, then described demand control module reduces the running rate of each indoor unit group in order with the inverted order of the priority of each indoor unit of each described air-conditioner.
10. demand controller according to claim 9, wherein, described demand control module, and is controlled described indoor unit group and is divided into indoor unit in each described indoor unit group according to the priority of each indoor unit group and the priority that is divided into each indoor unit in each described indoor unit group for each described indoor unit group and for each indoor unit that is divided in each described indoor unit group distributes priority based on the power consumption of each indoor unit of each described air-conditioner.
11. demand controller according to claim 10, wherein, if described estimation electric energy surpasses described predetermined power, then described demand control module reduces the running rate that is divided into the indoor unit in the respective chambers unit group in order with the inverted order of the priority that is divided into each indoor unit in each described indoor unit group.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020070119859 | 2007-11-22 | ||
| KR10-2007-0119859 | 2007-11-22 | ||
| KR1020070119859A KR101368456B1 (en) | 2007-11-22 | 2007-11-22 | Demand Controller of an electric system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101440989A true CN101440989A (en) | 2009-05-27 |
| CN101440989B CN101440989B (en) | 2011-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101110554A Expired - Fee Related CN101440989B (en) | 2007-11-22 | 2008-06-10 | Requirement controller of electric system |
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| Country | Link |
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| KR (1) | KR101368456B1 (en) |
| CN (1) | CN101440989B (en) |
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| CN102345951A (en) * | 2011-07-21 | 2012-02-08 | 深圳绿方科技有限公司 | Energy efficiency estimation online monitoring system for refrigerating system |
| CN103503263A (en) * | 2011-08-11 | 2014-01-08 | 三菱电机株式会社 | Demand control device for facility equipment |
| CN104460623A (en) * | 2014-12-08 | 2015-03-25 | 金光奥迈（北京）科技有限公司 | Intelligent power distribution control system for household electric heater |
| JP2016114280A (en) * | 2014-12-12 | 2016-06-23 | オムロン株式会社 | Control device, control method, control system, program and recording medium |
| CN111174381A (en) * | 2018-10-24 | 2020-05-19 | 青岛海尔空调器有限总公司 | Control method and device of air conditioner cluster, air conditioner cluster and intelligent home system |
| CN113453504A (en) * | 2021-06-22 | 2021-09-28 | 国网江苏省电力有限公司信息通信分公司 | Power grid-friendly data center refrigerating system control method and system |
| CN114423998A (en) * | 2020-01-29 | 2022-04-29 | Lg电子株式会社 | Air conditioning system and control method thereof |
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|---|---|---|---|---|
| KR101161079B1 (en) * | 2010-06-11 | 2012-06-29 | 삼성엘이디 주식회사 | Wireless lighting control system using power control priority |
| KR102248684B1 (en) * | 2017-03-28 | 2021-05-04 | 엘에스일렉트릭(주) | Heating ventilating and air conditioning control method for considering user utility and energy price and system comprising the same |
| KR20210102736A (en) | 2020-02-12 | 2021-08-20 | 삼성전자주식회사 | Server and contrl method thereof |
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| KR20050074825A (en) * | 2004-01-14 | 2005-07-19 | 엘지전자 주식회사 | Air conditioner's peak power controlling system and its operating method |
| KR100653060B1 (en) * | 2004-12-20 | 2006-12-01 | 삼성전자주식회사 | Air conditioner |
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2007
- 2007-11-22 KR KR1020070119859A patent/KR101368456B1/en active IP Right Grant
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2008
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| CN102345951A (en) * | 2011-07-21 | 2012-02-08 | 深圳绿方科技有限公司 | Energy efficiency estimation online monitoring system for refrigerating system |
| CN102345951B (en) * | 2011-07-21 | 2014-02-26 | 深圳绿方科技有限公司 | Energy efficiency estimation online monitoring system for refrigerating system |
| CN103503263A (en) * | 2011-08-11 | 2014-01-08 | 三菱电机株式会社 | Demand control device for facility equipment |
| CN103503263B (en) * | 2011-08-11 | 2015-12-16 | 三菱电机株式会社 | The demand control device of machinery equipment |
| CN104460623A (en) * | 2014-12-08 | 2015-03-25 | 金光奥迈（北京）科技有限公司 | Intelligent power distribution control system for household electric heater |
| JP2016114280A (en) * | 2014-12-12 | 2016-06-23 | オムロン株式会社 | Control device, control method, control system, program and recording medium |
| CN111174381A (en) * | 2018-10-24 | 2020-05-19 | 青岛海尔空调器有限总公司 | Control method and device of air conditioner cluster, air conditioner cluster and intelligent home system |
| CN111174381B (en) * | 2018-10-24 | 2022-11-15 | 青岛海尔空调器有限总公司 | Control method and device for air conditioner cluster, air conditioner cluster and intelligent home system |
| CN114423998A (en) * | 2020-01-29 | 2022-04-29 | Lg电子株式会社 | Air conditioning system and control method thereof |
| CN114423998B (en) * | 2020-01-29 | 2023-10-10 | Lg电子株式会社 | Air conditioning system and control method thereof |
| CN113453504A (en) * | 2021-06-22 | 2021-09-28 | 国网江苏省电力有限公司信息通信分公司 | Power grid-friendly data center refrigerating system control method and system |
| CN113453504B (en) * | 2021-06-22 | 2023-10-10 | 国网江苏省电力有限公司信息通信分公司 | Control method and system for power grid friendly data center refrigerating system |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101368456B1 (en) | 2014-02-28 |
| KR20090053168A (en) | 2009-05-27 |
| CN101440989B (en) | 2011-01-26 |
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