WO2011019011A1 - Système d’économie d’énergie pour immeuble capable d’accepter une opération externe - Google Patents

Système d’économie d’énergie pour immeuble capable d’accepter une opération externe Download PDF

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Publication number
WO2011019011A1
WO2011019011A1 PCT/JP2010/063454 JP2010063454W WO2011019011A1 WO 2011019011 A1 WO2011019011 A1 WO 2011019011A1 JP 2010063454 W JP2010063454 W JP 2010063454W WO 2011019011 A1 WO2011019011 A1 WO 2011019011A1
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Prior art keywords
building
control
target value
external operation
energy saving
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PCT/JP2010/063454
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English (en)
Japanese (ja)
Inventor
文平 馬郡
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Magori Bumpei
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Publication of WO2011019011A1 publication Critical patent/WO2011019011A1/fr

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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
    • 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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity

Definitions

  • the present invention relates to a system capable of realizing energy saving of a building by accurately controlling an air conditioner or the like, and specifically, allows an operation input from outside the system, which is not necessarily energy saving, by a person in the building.
  • the present invention relates to a building energy saving system that can be controlled so as to ultimately save energy.
  • buildings such as offices, houses, factories, commercial buildings, hotels, hospitals, etc.
  • buildings such as ventilation by opening and closing of windows and doors, air conditioning by air conditioners, etc., operating status of heat sources such as boilers, etc.
  • the building apparatus such as blinds and louvers, or the operation in some way.
  • Known building energy-saving systems can be divided into systems that roughly employ two types of methods for managing the operation status.
  • Patent Document 1 periodically acquires an actual value of energy consumption from a facility monitoring control device, and stores the actual value and the alarm value stored in the alarm alarm value storage unit. To determine whether or not there is a facility whose actual value is greater than or equal to the alarm value. If there is a facility whose actual value is equal to or greater than the alarm value, energy consumption for the facility monitoring control device of that facility An energy management device or the like that transmits a control instruction for reducing the amount is disclosed.
  • the operation of the equipment machine is performed by an administrator or a user from the outside, so that problems such as ignoring warnings from the system or different operation levels depending on the person arise, and energy saving is achieved. It tends to be insufficient.
  • the second method is a method in which the system directly controls the equipment machine based on the energy consumption value of the equipment machine measured by the system and does not allow an operation by a person from outside the system.
  • the system directly controls the air-conditioning temperature by using a predetermined air-conditioning temperature or a comfort index: Predicted Mean Vote (PMV) for air-conditioning as a target.
  • PMV Predicted Mean Vote
  • Patent Document 2 is installed in each of a plurality of areas obtained by dividing a restaurant restaurant for each function, and is installed in each of a plurality of areas, an environmental sensor that measures the environmental state of each area, Based on the control equipment that controls the equipment that adjusts the environmental state of each area and the environmental state information of each area acquired from the environmental sensor, it generates and controls control signals for controlling the equipment in each area.
  • a method of performing control specialized for each area has been disclosed.
  • the environmental conditions defined by the system are not always desirable for individuals in a building.
  • the air conditioning temperature preferred by humans varies depending on gender, body shape, physical condition, etc., and some people do not feel the temperature unilaterally determined by the comfort index.
  • the air conditioning temperature set by the system can easily differ from the air conditioning temperature preferred by the individual, so even a statistically correct index is not always appropriate.
  • the temperature is often set to a temperature preferable for each individual by cutting off the control from the system, and it is often left without returning the setting even after the person leaves the room. This is not preferable from the viewpoint of energy saving.
  • the present invention allows the external operation of the equipment machine according to various preferences and conveniences of humans in the building while the system directly controls the equipment machine in the building, and naturally guides in the direction of energy saving. It aims at proposing the building energy saving system etc. which can be controlled in this way.
  • a first aspect of the invention is a control system for energy saving of a building, in which an environmental measurement unit receives an output of an environmental measurement sensor inside and outside the building and stores it in an environmental condition storage unit, and a target value setting unit is an environment
  • the provisional target value setting means was measured when the control target value for saving energy in the building equipment was set based on the measurement result of the condition, and the operation monitoring means detected an external operation for the building equipment provided in the building.
  • the provisional target value is set based on the environmental condition and the external operation
  • the building equipment control means controls the building equipment based on the provisional target value
  • the external operation is detected based on the provisional target value.
  • the building energy saving system is characterized in that it substantially matches the value set by the external operation at the stage and approaches the control target value as time passes. .
  • the provisional target value setting means may select and read out the control pattern according to the type of external operation from the control pattern storage means storing a predetermined control pattern, and set the provisional target value.
  • the provisional target value setting means preferably determines the type of external operation based on the cumulative number of external operations.
  • the provisional target value setting means can set different control patterns depending on the presence / absence of an external operation after the building equipment control means changes the control value of the building equipment closer to the control target value.
  • the control history storage means stores the building equipment control history
  • the results output means reads the building equipment control history from the control history storage means, and reads the environmental condition fluctuation history from the environmental condition storage means, It is preferable to calculate and output the achievement degree of energy saving of the building from the control history and the fluctuation history.
  • the environmental conditions include room temperature and humidity in the building
  • the building equipment includes air conditioners in the building room
  • the room temperature and humidity of the control target values are determined by the comfort index. Is preferred.
  • the environmental conditions include the room temperature and humidity inside the building, the environmental conditions include the open / close state of the building windows and the temperature and humidity outside the building. Includes windows, open / close devices for natural ventilation, and solar control devices such as blinds and raising / lowering devices, and room temperature and humidity of the control target values are determined by comfort indexes Is preferred.
  • a second aspect of the invention is a control method for energy saving of a building, in which the environmental measurement means receives the measurement result of the environmental condition inside and outside the building and stores it in the environmental condition storage means, and the target value setting means is the environment.
  • the provisional target value setting means was measured when the control target value that can save energy in the building equipment was set based on the measurement result of the condition, and the operation monitoring means detected an external operation on the building equipment provided in the building.
  • a provisional target value is set based on an environmental condition and an external operation, and the provisional target value substantially coincides with the value set by the external operation when the external operation is detected, and time has passed. Accordingly, the building energy saving control method is characterized in that the building facility control means controls the building facility based on the provisional target value.
  • the system can allow the operation of the equipment machine from the outside according to individual preference and convenience, the individual who operates the equipment machine can spend comfortably for a while under the preferred environmental conditions. Moreover, since it is possible to prevent a situation in which an individual turns off the control of the system, the control from the system is maintained even after the person who operates the equipment machine leaves the room, and a situation contrary to energy saving does not occur. In addition, the system is controlled so as to gradually acclimatize humans to favorable environmental conditions from the viewpoint of energy saving over time. Therefore, it is possible to gradually and unconsciously accept environmental conditions that are not preferred by individuals. As a result, energy saving of the entire building can be reliably achieved while reflecting the preference and convenience of the individual who spends the inside of the building.
  • FIG. 1 It is a block diagram which shows the outline of the whole structure of one example of an embodiment of a building energy saving system. It is the flowchart which showed the general
  • the present invention is a system for energy saving of a building.
  • the building mentioned here is an office, a house, a factory, a commercial building, a hotel, a hospital, etc. It refers to a building that performs various activities on a regular basis and that can be operated from the outside by a person with the operation of the installed building equipment and equipment. In such a building, an external operation that is not necessarily preferable in terms of energy saving may be performed due to the preference and convenience of a person who is active inside.
  • the building apparatus is an apparatus that is installed as a part of a building and serves as an entrance for controlling the material exchange between the outside and the inside of the building.
  • Ventilation vents hereinafter simply referred to as windows
  • doors such as doors with shutters, shutters, etc., similarly operable roofs, movable fences, louvers (hereinafter simply referred to as doors)
  • Equipment machinery is machinery that consumes energy as it operates, and can be operated arbitrarily by an individual via an operation panel, etc., depending on preference and convenience, and can also be controlled by the system. Directly or indirectly affects the energy consumption of the building.
  • equipment such as air conditioners, ventilation equipment, lighting equipment, heat source equipment, boilers, cooling towers, heat pump air conditioners, water supply / drainage pumps, hot water supply equipment, water supply and sanitation gas equipment such as fuel cells, power receiving / transforming equipment, generators, storage batteries Electrical equipment such as refrigerators, hot storage, copiers, computers, printers, and other devices that use electric energy, gas stoves, equipment that uses fossil fuels such as oil stoves, and the like.
  • building equipment and equipment are collectively referred to as building equipment.
  • FIG. 1 is a block diagram showing a schematic overall configuration of an embodiment of the system of the present invention.
  • the part 1 surrounded by a broken line is the target system
  • the part 2 shown to the left of the part 1 among the parts surrounded by the alternate long and short dash line is the environment inside and outside the building where the system is installed.
  • the part 3 described on the right of the part 1 means the building equipment group installed in the building.
  • the arrow means the main flow direction of information.
  • the system is configured by combining a main computer with various sensors, a control unit for building equipment, a printer, and interfaces for communication with the outside.
  • the indoor measurement sensor 10 is installed in an interior space such as each room of the building, measures environmental conditions such as temperature and humidity at the installation location, and outputs the measurement results to the environmental measurement means 50.
  • the external measurement sensor 11 is installed outside the building, measures the temperature, humidity, daily illuminance, atmospheric pressure, and the like of the installation location, and outputs the measurement result to the environment measurement means 50.
  • the environmental measuring means 20 sequentially receives the measurement data output from the measurement sensors 10 and 11 at predetermined time intervals and stores them in the environmental condition storage means 30. Further, the environment measuring means 20 obtains external data such as temperature, humidity, rainfall, wind speed, and air volume obtained from the Japan Meteorological Agency and others via a communication line such as the Internet as needed.
  • the environmental condition storage means 30 stores data measured at any time by a measurement sensor and meteorological data obtained from the outside as needed to store an environmental history, as well as the use of the building and each room, the size of each room, the window And building information such as door size / number / direction, number of floors, solar shading and thermal insulation, equipment information such as installation location and heat generation during operation, and comfort index Comfort information such as the air volume of the air conditioner in each room, assumed indoor capacity, assumed clothing amount, assumed calorific value, etc., for example, if the room is an office, assumed work of a person who is normally expected to be there Preliminary input of forecast information such as time and estimated overtime hours, times when humans will be absent, such as lunch breaks, times when less than the number assumed for normal use of each room, etc.
  • the target value setting means 40 uses the environmental condition information stored in the environmental condition storage means 30 to set a control target value for each building facility and, if necessary, its valid time.
  • the calculation method of the control target value differs depending on each building equipment.
  • the equipment machine is an air conditioner
  • the comfort index is because the heat and cold felt by humans depend on temperature, humidity, radiation temperature, air flow velocity, human activity, clothing wear (CLO value), thermal resistance, etc. This is calculated using the comfort equation developed by Fanger, taking into account the above factors, and using CO 2 concentration and CO concentration as necessary.
  • PMV 0, statistically 95% of people feel comfortable without being hot or cold, and within the range of plus or minus 3, 95% of people feel hot when PMV becomes positive, and feel cold when negative. means.
  • the minimum illuminance required for the work that is assumed to be performed in each room based on the size of each room, the size and position of the window, the amount of solar radiation, and the information on the number of people in the room
  • a control target value is set based on a predetermined calculation formula for each room with respect to the number of illuminations obtained and their positions. This is because in places where sufficient illuminance is obtained for daily work by solar radiation, turning off the lights saves energy.
  • the building apparatus is a window, from the information such as temperature, humidity, rainfall, air volume, wind direction, direction, etc. outside the building and information such as whether the temperature, humidity, working hours in each room, etc.
  • a control target value for each window For example, when the outside air temperature is lower than the room temperature, it is more energy saving to open the window and perform ventilation than to cool the air conditioner.
  • the equipment In the case of an office machine such as a personal computer or printer, the equipment is identified as a device that is turned on but has been in a waiting state for a predetermined period of time or longer, and the power of such device is turned off. Set the waiting time control target value to This is because such office equipment is considered to consume energy wastefully.
  • a control target value for the number of operable office devices for each room may be determined in advance according to the business hours and the types of office devices.
  • the effective time of the control target value is the maximum time during which the building equipment is continuously controlled by the control target value once set. This is based on the intended use of the building and the room, and the estimated working hours and estimated overtime hours of people who are expected to be in each room. It is set based on prediction information such as a time zone that is expected to be used by a smaller number of people than the number assumed for use. In addition, the number of people in the room may be predicted by a CO 2 sensor, an image sensor, or an infrared sensor. In a room such as an office where many people work daily in the room, control with the same control target value as when there are many people at the time when the number of people in the room is expected to be zero or very small This is because energy is wasted.
  • the target value setting means 40 sets a new control target value according to the predicted situation in the next processing cycle. For example, in a time zone where it is predicted that no one will be present in the office room, the system controls the building equipment in the room to stop operating and close the windows.
  • the target value setting means 40 reads out the control history of each building equipment from the control history storage means 70, determines whether or not the equipment machine has been operated from outside the system within a certain past time, and the external operation is made. If not, the control target value of each building equipment and, if necessary, the effective time (hereinafter collectively referred to as control target value) are sent to the building equipment control means 50.
  • control target value the control target value of each building equipment and, if necessary, the effective time (hereinafter collectively referred to as control target value) are sent to the building equipment control means 50.
  • the target value setting unit 40 sends information on the building facility, a control target value, and the like to the provisional target value setting unit 100. Then, when the provisional target value and control pattern regarding the said building equipment are received from the provisional target value setting means 100, they are sent to the building equipment control means 50.
  • the certain time in the past is a time when it is assumed that the person who has operated the building equipment remembers his / her own operation and wants to maintain the environmental conditions operated continuously, 3 hours It may be determined in advance by a human activity cycle in a building or room in a range of about one week. A longer time is preferable for an individual person, but a shorter time is preferable for energy saving of the entire building.
  • the past fixed time is 3 days will be described as an example. If it is three days, the operation history on Friday in the office will be reflected in the control of the next Monday after Saturday and Sunday.
  • the target setting unit 40 sets an ideal control target value and the like desirable from the viewpoint of energy saving, and the building equipment control unit 50 Therefore, the entire building can be made the most energy-saving state.
  • the target setting unit 40 sends information to a provisional target value setting unit 100 (to be described later) in order to reflect the action of the person who performed the operation in the subsequent control.
  • a provisional target value and a control pattern are set.
  • the provisional target value is set so that the building equipment is maintained for a while in a state that substantially matches the content of the external operation immediately after the external operation is performed.
  • substantially match means that the content may be substantially the same within the range of the sensation, and does not have to be exactly the same as the content of the external operation.
  • the time from when the provisional target value is set to the return to the control target value or until a new external operation is performed is the effective time of the provisional target value.
  • a provisional target value is usually not necessarily preferable from the viewpoint of energy saving, but reflects the action of a human who has performed an external operation, and finally makes it possible to achieve energy saving.
  • the setting of the provisional target value and the control pattern as in the case of the setting of the control target value, the effective time using the prediction information about the person in the room is set as necessary.
  • control is performed so that the building equipment operates according to the operation.However, after a certain period of time, the system aims to achieve a control target value that is more energy efficient. Do. Specifically, it will be described in relation to the description using the flowchart described later.
  • the facility machine control unit 50 controls each facility machine 60 according to a basic control pattern determined in advance for each building facility when a control target value or the like is received from the target value setting unit 40. Moreover, when the provisional target value and control pattern regarding a certain equipment machine are received from the target value setting means 40, the corresponding building equipment is controlled according to the provisional target value and the control pattern. Further, the building equipment control means stores in the control history storage means 70 the time when the control command for each building equipment is issued and the control content.
  • the basic control pattern is the simplest control pattern, and is controlled so that the control target value is obtained immediately after the control is started.
  • the basic control pattern may be a different pattern suitable for each building facility.
  • the control history storage means 70 receives building facility operation information from the building equipment control means 50 and the operation monitoring means 90, and stores the operation information in time series for each building equipment. Specifically, for each building facility, the history of the operation from the outside of the building facility and the control by the system is stored in the order of the time when the operation / control was performed. For example, operating history of air conditioners, opening / closing history of windows and doors, lighting fixture ON / OFF history, etc. Stores setting values by external operation, control target values by system, provisional target values and control patterns Has been.
  • Such a control history storage means is provided to distinguish between an external operation and an operation by the system, and by leaving a history of how many times the external operation has been performed and at what timing, a human who performs the operation This is because the preference and convenience are more appropriately determined by the history and reflected in the control of the building equipment.
  • the operation sensor 80 is provided for each building facility, and outputs a signal to the operation monitoring means 90 when the building facility is operated by a person or a control system.
  • a person or a control system For example, in the case of an air conditioner, this is a case where ON-OFF control is performed or the temperature setting is changed, and in the case of a window, a state in which some operation is performed, that is, a closed window is opened, etc.
  • ON-OFF control is performed, and in the case of office equipment, ON-OFF control is performed or a print job is executed.
  • the operation monitoring unit 90 controls the building facility from the control history storage unit 70 by the building facility control unit 50.
  • the history is read out, and it is determined whether or not the previous operation performed on the building equipment is based on the system.
  • the operation monitoring unit 90 determines that the operation detected by the operation sensor 80 is an external operation, and stores the fact and the details of the operation in the control history. Store in means 70.
  • the operation monitoring unit 90 determines that the operation detected by the operation sensor 80 is an operation by the equipment machine control unit 50, and the operation detected by the sensor is detected. The contents are stored in the control history storage means 70.
  • provisional target value setting means 100 When provisional target value setting means 100 receives from the target value setting section 40 information specifying a building facility for which an external operation has been performed and a control target value related to the building equipment, the provisional target value setting means 100 receives the equipment machine from the control history storage means 70. If the effective time is set to the previously set provisional target value or the like, whether or not it is effective (whether it is within the effective time) or the latest external operation is the process 1 Judgment is made as to whether or not it has been performed within the cycle, and according to each condition, the existing provisional target value is modified from the environmental conditions and the control history and a control pattern is selected, or a new provisional target value is selected Is set to select a control pattern, and the processing result is returned to the target value setting means 40. Note that the effective time of the provisional target value is set according to the prediction information as necessary, similarly to the effective time of the control target value. Specific processing in the provisional target value setting unit 100 will be described with reference to a flowchart described later.
  • the provisional target value setting means 100 sets a provisional target value and a control pattern in which an effective time is determined as necessary for a building facility for which some external operation has been performed within a certain past time.
  • the provisional target value and control pattern are determined so as to shift stepwise or gradually to the ideal control target value in terms of energy saving over time while allowing external operations. It is possible to control to guide the energy saving of the entire building while reflecting the preference and convenience of people who are active in the area.
  • the control pattern storage means returns the control machine to a state such as an ideal control target value in terms of energy saving from a state where the external operation is performed for each building facility when the external operation is performed on the building facility.
  • the control pattern is stored.
  • the control pattern is determined in advance so that the person who controls the building equipment does not feel uncomfortable or inconvenient, and can be guided in the direction of energy saving without being particularly aware of the change.
  • the building equipment is maintained in a state as set in the external operation for a certain period of time after the external operation is performed, and then immediately returns to the control target value or returns stepwise to the stepwise stage. Or slowly return to the control target value over time.
  • control patterns depending not only on the type of building and building equipment but also on the use of the room where the building equipment is installed. For example, if the room is used for an office, the same person will be working indoors almost every day on weekdays. In order to achieve this, it is preferable to gradually induce the control target value over a relatively long time. For example, when the room is used for a conference room, the time when there is no human being in the room is relatively long, and even if there is a human being, it is switched in a short time. Just do it.
  • control pattern is based on the cumulative number of times that the external operation has been repeated while the provisional target value is valid, and the time interval between the most recent external operation and the return control immediately before the external operation, Different control patterns are available for selection.
  • the control pattern is changed depending on the cumulative number. If the cumulative number is two or more, after a certain external operation is performed, the building equipment is set to return to a control target value that is preferable for energy saving or gradually return. Can be reflected in the control because the person who first operated the building equipment did not like the return control or thought that it was inconvenient and performed the external operation again. It is for doing so.
  • the system controls the building equipment over time so as to guide the human sense to the control target value. You will be able to gradually get used to it and be able to achieve energy conservation goals naturally.
  • a different control pattern is prepared depending on the time interval between the most recent external operation and the immediately preceding return control, for example, one hour or more after the return control is performed until the most recent external operation is performed. If it has elapsed, it is considered that the control target value is allowed to some extent by a person in the room or because the person in the room has been replaced, so it is only necessary to return to the control target value in a relatively short time. It is. In addition, for example, when 5 minutes have not passed since the return control was performed until the most recent external operation was performed, it is considered that the person in the room does not allow the return control to the control target value. Thereafter, the time until the return control is made longer or the return control may be performed stepwise or gradually.
  • the performance output means 120 calculates the energy saving performance of the day once a day for the entire building, room, and equipment, and stores and outputs the result in the results storage means 130. In addition, once a week, the results for the week are calculated and output for each machine in the entire building and in each room. Similarly, once in a month and once a year for the whole building and every machine in each room. Calculate energy saving results and output them periodically. In calculating the results, the control history of each building facility is read from the control history storage means 70 and calculated based on a predetermined calculation formula. Also, the grade output means 120 reads out the environmental condition between the period for calculating the energy saving performance and the same period from the environmental condition storage means 30, and displays and outputs it together with the energy saving performance. The output may be any of printer output, screen output, and mail transmission, and may be in other formats.
  • the energy saving performance was achieved by the achievement of control target values, etc. for each desired period of 1 minute to several minutes, 1 hour, 1 day, 1 week, 1 month, and 1 year. Compared to the case where the target time, the control target value, etc. are achieved, the extra energy cost is displayed, and the entire building, room, and equipment are displayed and output.
  • FIG. 2 is a flowchart showing an outline of the processing flow.
  • all the building facilities in the system are sequentially processed, and the process proceeds to the next step.
  • the process shown in FIG. 2 is repeated unless there is an interrupt instruction to stop the process.
  • the processing performed by the environment measuring unit 20, the operation monitoring unit 90, and the result output unit 120 is not included in the flow of FIG.
  • the environment measuring means 20 and the operation monitoring means 90 always perform regular processing independently of the main flow, and the grade output means 120 is also independent of the main flow at a predetermined time once a day. This is because it is programmed so as to operate.
  • the grade output means 120 is scheduled once a hour to several times as needed, once a week, once a month, once a year to several times as needed. Are programmed to work.
  • the target value setting means 40 reads the environmental conditions from the environmental condition storage means 30 in step S100, and then reads the control history for each building facility from the control history storage means 70 in step S200.
  • the target value setting means 40 sets a control target value and the like. This will be described in detail with reference to FIG. FIG. 3 is a flowchart in which step S300 is further broken down.
  • step S310 the target value setting means 40 determines whether or not an artificial external operation has been performed within three days from the control history.
  • 3 days is an example of the above-mentioned fixed period, and different periods, for example, 8 hours, 1 day, and 5 days can be set depending on the use of the room and the building equipment.
  • the room is an office room, and an example in which an external operation on Friday is reflected in the control on the following Monday will be described. If there is no record of an external operation in the control history within 3 days, it is considered that the control by the system is accepted by a person in the room. Therefore, the flow branches downward and the target setting means 40 in step S320 Set the control target value.
  • step S370 the set control target value is sent to the building equipment control means 50. This ends the process of step S300.
  • step S310 If an external operation has been performed within 3 days in step S310, the flow branches to the right to determine whether or not the provisional target value set by the external operation within 3 days in step S330 is currently valid. . This is because whether or not the return control has already been completed based on the previously set provisional target value and control pattern, and whether or not the provisional target value is within the valid time if the valid time is set. Judging by judgment. If return control is complete and the provisional target value is invalid, or if the provisional target value is valid after the valid time has elapsed, the provisional target value set earlier is invalid. Therefore, the flow branches downward, and in step S340, a new provisional target value is set using the current environmental conditions and control history, and a control pattern is selected.
  • FIG. 4a and 4b show examples of control patterns for temperature control of the air conditioner.
  • FIG. 4a shows that the first external operation for lowering the set temperature with respect to the control target value initially set by the system is performed, and then the preferred temperature lowered for X 1 hour, for example, 1 hour. Is a provisional target value, and after the lapse of X 1 time, the return control by the system is immediately performed to return to the original control target value.
  • FIG. 4B shows an example in which a second external operation is performed and a desired temperature is set again when a relatively short Y 1 hour, for example, 10 minutes has elapsed since the return control in FIG. 4A was performed. It is.
  • the system can select the desired setting for X 2 hours longer than X 1 hours, for example, 2 hours.
  • the air conditioner is controlled using the temperature as a provisional target value.
  • a second return control at the stage where X 2 hours have elapsed, and returns to the control target value.
  • X 1 hour by setting longer than X 2 hours, remove the predicted for human system control for external operation, to facilitate receiving the control by the system.
  • the control by X 2 time may be repeated, or X 3 time longer than X 2 time, for example, 3 hours, is set. You may do it.
  • the provisional target value while repeating the X 2 hours an intermediate value of the control target value and the temperature of the preference may be controlled by intermediate values returned to the control target value from the via X 2 hours.
  • 5A and 5B show other examples of temperature control patterns.
  • the first external operation for lowering the set temperature is performed with respect to the first control target value, and thereafter, the control is performed with the preferred temperature lowered for X 4 hours, for example, 1 hour, as the provisional target value.
  • the return control is performed by the system after the elapse of X 4 hours, but is not immediately returned to the control target value but is gradually returned to the control target value over X 5 hours, for example, 1 hour. is there. By returning to the control target value over time in this way, it becomes easier for humans to accept the control target value.
  • FIG. 5b shows a second external operation when Y 2 hours, for example 30 minutes, shorter than X 4 hours have passed since the return control of FIG. It is an example.
  • the second return control is performed for X 6 hours after the external operation is performed, for example, 30 minutes, and then the control target value is gradually recovered over X 7 hours, for example, 1 hour. is there.
  • Each time may be fixed to a predetermined value in advance, but the length of X 6 hours and X 7 hours may be adjusted according to the length of Y 2 hours.
  • Y 2 hours long be considered that amenable to control target value, X 6 h and X 7 hours to shorter is preferable from the viewpoint of energy saving.
  • FIG. 6 shows an example of a table for selecting one of the different control patterns a to i depending on the cumulative number of external operations in a certain past time and the elapsed time from the most recent return control until the external operation is performed. It is.
  • Other selection items for the control pattern include room usage, prediction information, number of people assumed to be in the room, gender, and the like. The smaller the number of people, the stronger the influence of personal preference and convenience.
  • thermal stress is relatively small at building entrances and corridors when staying time is short. Therefore, in such a space, it is possible to guide more quickly in the energy saving direction.
  • the provisional target value is set and the control pattern is selected and controlled so that the control target value is most easily accepted, so that humans do not feel much stress, It is unlikely that the control by the system is cut off, and it is possible to gradually get used to the control with the control target value.
  • step S340 in FIG. 3 when the provisional target value and the control pattern are selected, the processing result is transmitted to the target value setting means 40, and the process returns to step S370.
  • the target value setting means 40 sets the control target value and the like. It sends to the equipment machine control means 50 and the process is terminated.
  • step S330 if the previously set provisional target value and control pattern are still valid in step S330, specifically, the return control using the previously set provisional target value and control pattern has not been completed.
  • the flow branches to the right It is determined whether or not an external operation has been performed within the most recent cycle of the processing shown in FIG. If the external operation is performed within the most recent cycle, the flow branches downward, reflects the contents of the external operation in the provisional target value and control pattern selection in step S360, and returns to step S370. On the other hand, if no external operation has been performed in the most recent cycle, the provisional target value and control pattern have already been set in the previous cycle, and the process directly returns to step S370. This completes the process of step S300.
  • the facility machine control means 50 uses the control target value sent for each construction facility in step S400 and the temporary target value and the control pattern sent in some cases to control the control unit 60 of each construction facility. Control each building equipment.
  • the equipment machine control means 50 stores the time and contents of the control executed in step S500 in the control history storage means 70 for each building equipment, and returns to step S100. Thereafter, processing is continued until a stop command for the system interrupts.
  • the present invention is not limited to the above specific modes, and various modifications are possible.
  • each step of FIG. 2 the processing within the step is performed for all the building facilities and then the next step is performed.
  • one cycle is performed for one building facility, and the same is applied to all the building facilities. You may make it repeat a cycle sequentially.
  • the main operation is performed when the external operation is performed. It is also possible to interrupt the flow and continue the process by interrupting it before the interruption when a series of processes accompanying the external operation is completed.
  • the cycle in FIG. 2 is processed continuously in almost real time, but using a timer means, for example, one cycle is performed every minute or every three minutes. One cycle may be performed.
  • the control pattern described above is an example, and another control pattern in consideration of the psychology of the person who operates the construction facility may be prepared.
  • the provisional target value is described as an example of maintaining the set value of the external operation for a while, but immediately after the external operation is performed, the provisional target value that is approximately close to the set value by the external operation is set.
  • the return control may be started immediately and gradually brought closer to the control target value over time. That is, the case where the X 4 time in FIG. 5a is almost zero.
  • the temperature as the control target value of the air conditioner is 28 ° C., it is set to 25 ° C. by an external operation, and the system performs return control to return the operating temperature to 28 ° C.
  • the above system is an example that operates by software stored in a computer, but may be configured by combining specialized hardware that performs each operation of the software.
  • the system can be expressed as a program, and these may be stored in a computer-readable recording medium.
  • the recording medium refers to a recording medium such as a flexible disk, a magneto-optical disk, a portable medium such as a ROM and a CD-ROM, and a hard disk incorporated in a computer system.
  • the program can be divided into arbitrary appropriate parts, and the divided parts can be stored in the storage medium.
  • an input device, a display, a printer, and the like are connected to the computer as peripheral devices.
  • the input device refers to an input device such as a keyboard and a mouse.
  • the display means a CRT (Cathode Ray Tube) or a liquid crystal display device.
  • the storage means may be built in a computer that performs processing, or may be in another device and accessed by communication.
  • the storage means includes a hard disk device, a magneto-optical disk device, a nonvolatile memory such as a flash memory, a recording medium such as a CD-ROM that can only be read, a volatile memory such as a RAM, or a combination thereof.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

La présente invention concerne un système d’économie d’énergie capable de guider de manière naturelle des machines d’installation présentes dans un immeuble dans le but d’augmenter les économies d’énergie tandis que le système commande directement les machines d’installation de l’immeuble et permet le fonctionnement de ces machines d’installation en fonction de la préférence des personnes présentes dans l’immeuble ou de la commodité pour ces personnes. La présente invention concerne spécifiquement un système d’économie d’énergie pour immeuble recevant des données émises par des capteurs de surveillance environnementale à l’intérieur et à l’extérieur d’un immeuble et stockant ces données dans un moyen de stockage ; définissant une valeur cible de commande pour laquelle les installations d’un immeuble augmentent leurs économies d’énergie sur la base des résultats de la surveillance des conditions environnementales ; définissant, lorsqu’on détecte une opération externe des installations de l’immeuble, une valeur cible temporaire sur la base des conditions environnementales et de l’opération externe ; et commandant les installations de l’immeuble sur la base de la valeur cible temporaire, la valeur cible temporaire correspondant approximativement à la valeur définie par l’opération externe à l’étape à laquelle l’opération externe a été détectée et s’approchant de la valeur cible de commande dans le temps.
PCT/JP2010/063454 2009-08-12 2010-08-09 Système d’économie d’énergie pour immeuble capable d’accepter une opération externe WO2011019011A1 (fr)

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