WO2018174317A1 - Procédé et dispositif pour calculer le taux d'échange d'énergie d'un dispositif de refroidissement et de chauffage - Google Patents

Procédé et dispositif pour calculer le taux d'échange d'énergie d'un dispositif de refroidissement et de chauffage Download PDF

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Publication number
WO2018174317A1
WO2018174317A1 PCT/KR2017/003164 KR2017003164W WO2018174317A1 WO 2018174317 A1 WO2018174317 A1 WO 2018174317A1 KR 2017003164 W KR2017003164 W KR 2017003164W WO 2018174317 A1 WO2018174317 A1 WO 2018174317A1
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Prior art keywords
air conditioner
energy exchange
temperature value
value
exchange amount
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PCT/KR2017/003164
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English (en)
Korean (ko)
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유호경
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유호경
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Publication of WO2018174317A1 publication Critical patent/WO2018174317A1/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
    • F24F11/46—Improving electric energy efficiency or saving
    • 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
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • 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
    • F24F11/63—Electronic processing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • 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

Definitions

  • the present invention relates to a method for calculating an energy exchange amount of an air conditioner for calculating an energy exchange amount of an air conditioner and an apparatus therefor.
  • An air conditioner is a device for controlling a room temperature of a building.
  • an air conditioner, a heater, a combined air conditioner and the like are widely marketed.
  • An air conditioner means a device for lowering the temperature of indoor air in the summer, including an air conditioner.
  • the radiator may mean a device for increasing the temperature of indoor air in winter, including a hot air heater, and the like.
  • the complex air conditioner may mean a device capable of cooling in summer and cooling in winter as a single device.
  • Calculating the amount of energy exchanged by the air conditioner is necessary to provide a comfortable living environment for users located inside the building and to calculate the energy efficiency of the building itself.
  • An object of the present invention is to solve the above problems, collecting supply temperature value, room temperature value and coil temperature value from a plurality of pre-installed temperature sensors, and calculating the energy exchange amount of the air conditioner based on the collected temperature value To do this.
  • the method for calculating the energy exchange amount of the air conditioner is a temperature value receiver
  • the supply temperature value is the temperature value of the air supplied by the air conditioner
  • the temperature value of the room air Receiving each of the coil temperature values, which are the temperature values of the cold heat source coils included in the air conditioner and the room temperature values, from a plurality of pre-installed temperature sensors at predetermined time intervals
  • the operation determining unit is configured to provide a difference between the supply temperature value and the room temperature value.
  • the step of determining whether the air conditioner is operating based on a predetermined time interval and the energy exchange amount calculating unit calculates the energy exchange amount of the air conditioner for each time period during which the air conditioner operates based on the difference between the room temperature value and the coil temperature value. It includes a step.
  • the operation of determining whether the air conditioner is operated at each predetermined time interval may include calculating and supplying an indoor temperature difference value, which is a difference between a supply temperature value and an indoor temperature value, for each predetermined time interval. And determining a time interval in which the indoor temperature difference is greater than a preset operation threshold as a time interval in which the air conditioner operates.
  • calculating the energy exchange amount of the air conditioner may include calculating a room-coil temperature difference value, which is a difference value between the room temperature value and the coil temperature value, for each predetermined time interval, and preliminarily calculating the room-coil temperature difference value. Matching the stored energy exchange deterioration rate table to select the energy exchange deterioration coefficient corresponding to the room-coil temperature difference value for each predetermined time interval and to exchange energy for the interval energy exchange capacity for each time interval in which the air conditioner is operated. Calculating the energy exchange amount of the air conditioner for each time interval during which the air conditioner operates.
  • the energy exchange performance degradation coefficient is a proportional coefficient that decreases linearly or nonlinearly as the room-coil temperature difference decreases.
  • the section energy exchange capacity is calculated based on the ratio of the rated capacity representing the energy exchange capacity per hour of the air conditioner and the predetermined time section.
  • the energy exchange amount calculating unit may further include calculating the daily energy exchange amount of the air conditioner by summing the energy exchange amount of the air conditioner for each time interval during which the air conditioner operates.
  • the energy exchange amount calculation device of the air conditioner the supply temperature value of the temperature value of the air that the air conditioner supplies to the room, the room temperature value of the room air temperature and the air conditioner On the basis of the difference between the temperature value receiver, the supply temperature value and the room temperature value received from each of a plurality of pre-installed temperature sensors from a plurality of pre-installed temperature sensors, the temperature of the coil of the cooling source coil included in the And an energy exchange amount calculator configured to calculate an energy exchange amount of the air conditioner for each of the time intervals during which the air conditioner operates, based on a difference between the operation determination unit determined by each predetermined time interval and the room temperature value and the coil temperature value.
  • the operation determining unit may calculate a supply-indoor temperature difference value, which is a difference between the supply temperature value and the indoor temperature value, for each predetermined time period, and generate a time period in which the supply-indoor temperature difference value is larger than a preset operation threshold value. It is determined as a time interval in which is operated.
  • the energy exchange amount calculating unit calculates a room-coil temperature difference value, which is a difference value between the room temperature value and the coil temperature value, for each predetermined time period, and stores the room-coil temperature difference value in a pre-stored energy exchange performance degradation rate table.
  • the energy exchange performance degradation coefficient corresponding to the room-coil temperature difference value is selected for each predetermined time interval, and the energy exchange performance reduction coefficient is multiplied by the energy exchange performance reduction coefficient for each time interval in which the air conditioner operates.
  • the energy exchange amount of the air conditioner is calculated for each operating time interval.
  • the energy exchange performance degradation coefficient is a proportional coefficient that decreases linearly or nonlinearly as the room-coil temperature difference decreases.
  • the section energy exchange capacity is calculated based on the ratio of the rated capacity representing the energy exchange capacity per hour of the air conditioner and the predetermined time section.
  • the energy exchange amount calculating unit calculates the daily energy exchange amount of the air conditioner by summing the energy exchange amount of the air conditioner for each time interval during which the air conditioner operates.
  • the supply temperature value, the room temperature value, and the coil temperature value are collected from a plurality of pre-installed temperature sensors, and the energy exchange amount of the air conditioner can be calculated based on the collected temperature value, expensive sensor equipment It is possible to indirectly measure the energy exchange of air conditioners without using them.
  • FIG. 1 is a view for explaining a method and apparatus for calculating the energy exchange amount of the air conditioner according to an embodiment of the present invention.
  • Figure 2 is a block diagram for explaining the energy exchange amount calculation device of the air conditioner, according to an embodiment of the present invention.
  • FIG. 3 is a flowchart illustrating a method of calculating an energy exchange amount of an air conditioner according to an embodiment of the present invention.
  • FIG. 4 is a flowchart illustrating a step of determining whether the air conditioner is operating in the method of calculating the energy exchange amount of the air conditioner according to the embodiment of the present invention.
  • FIG. 5 is a flowchart illustrating a step of calculating the energy exchange amount of the air conditioner in the method of calculating the energy exchange amount of the air conditioner according to the embodiment of the present invention.
  • FIGS. 6A and 6B are views for explaining a case in which the air conditioner is a heater in the method and apparatus for calculating an energy exchange amount of the air conditioner according to an embodiment of the present invention.
  • FIG. 7A and 7B are views for explaining a case in which an air conditioner is an air conditioner in a method and apparatus for calculating an energy exchange amount of an air conditioner according to an embodiment of the present invention.
  • FIG. 1 an environment for operating the energy exchange amount calculating device 100 of the air conditioner 10 according to an exemplary embodiment of the present invention and a method of using the same will be described.
  • FIG. 1 is a view for explaining a method and apparatus for calculating the energy exchange amount of the air conditioner according to an embodiment of the present invention.
  • the air conditioner 10 may include a cold heat source coil 11, and the first air temperature sensor 1, the second temperature sensor 2, and the third temperature sensor 3 may be disposed in advance in the air conditioner 10. have.
  • the energy exchange amount calculating device 100 of the air conditioner 10 is included in the user terminal 20, the first temperature sensor 1, the second temperature sensor 2 and the third The temperature value measured by each of the temperature sensors 3 can be received.
  • the air conditioner 10 may refer to various devices for controlling the temperature of the air, including various air conditioners including air conditioners, various heaters including air heaters, and multiple air conditioners capable of simultaneously performing cooling and heating functions.
  • the present invention is not limited to the embodiment of the specific air conditioner 10.
  • the air conditioner (10) is not only a complex air conditioner that can perform both cooling and heating functions, but also removes energy from the indoor air conditioner to perform only the cooling function, supplying energy to the room to perform only the heating function. It is defined as all means a variety of devices for controlling the room temperature including all of the heaters.
  • the cooling source coil 11 may refer to a pipe through which a fluid flows in order to perform a cooling or heating function of the air conditioner 10 as a part of the air conditioner 10.
  • a low temperature fluid including a refrigerant may flow in the cooling source coil 11, and when the air conditioner 10 operates in the heater or the heating mode, 11) hot fluid, including hot water, can flow.
  • the fan (not shown) inside the air conditioner 10 may be blown in the direction of the cooling heat source coil 11, and the blown air passes through the cooling holes in the state where the temperature goes up or down while passing through the cooling heat source coil 11. It will be supplied indoors.
  • the first temperature sensor 1 measures a supply temperature value T2 which is a temperature value of air supplied from the air conditioner 10 to the room, and measures the supply temperature value T2 measured according to an embodiment of the present invention. ) May be transmitted to the energy exchange amount calculating apparatus 100 of the C).
  • the first temperature sensor 1 is shown as being disposed in the air vent of the air conditioner 10 on the drawing, this is for convenience of description, and the first temperature sensor 1 is supplied to the room in addition to the air vents. It can be arrange
  • the second temperature sensor 2 measures an indoor temperature value T1 which is a temperature value of indoor air, and calculates the measured room temperature value T1 of the energy exchange amount of the air conditioner 10 according to the embodiment of the present invention. 100 can be sent.
  • the second temperature sensor 2 is illustrated as being disposed outside the main body of the air conditioner 10, this is for convenience of description and the second temperature sensor 2 is indoors in addition to the outside of the main body of the air conditioner 10. It may be arranged at various positions for measuring the room temperature value T1 which is a temperature value of air.
  • the third temperature sensor 3 measures the coil temperature value T3, which is the temperature value of the cold heat source coil 11 included in the air conditioner 10, and measures the measured coil temperature value T3 in the embodiment of the present invention.
  • the energy exchange amount calculation unit 100 of the air conditioner 10 according to the present invention may be transmitted.
  • the third temperature sensor 3 is illustrated as being directly disposed on the cold heat source coil 11 in the drawing, this is for convenience of description and the third temperature sensor 3 is disposed directly on the cold heat source coil 11. In addition, it may be arranged to be spaced apart from the cold heat source coil 11 by a predetermined distance, the temperature value of the cold heat source coil 11 may be arranged at various positions for measuring the coil temperature value (T3).
  • the energy exchange amount calculating device 100 of the air conditioner 10 may be included in the user terminal 20.
  • the user terminal 20 is widely distributed and utilized by general users, including cloud servers, smart phones, smart pads, PDAs, and various communication functions including Bluetooth, Zignee, and WIFI. It may mean various terminals provided.
  • the user terminal 20 may mean a terminal manufactured separately for the energy exchange amount calculating device 100 of the air conditioner 10, and the energy of the air conditioner 10 according to the embodiment of the present invention.
  • the exchange amount calculating device 100 is not limited to being included in the specific user terminal 20.
  • the energy exchange amount calculating device 100 of the air conditioner 10 is a cloud server (Bluetooth), Bluetooth (Bluetooth), Zigbee (Zignee), Wi-Fi (WIFI)
  • a cloud server Bluetooth
  • Bluetooth Bluetooth
  • Zigbee Zigbee
  • WIFI Wi-Fi
  • Figure 2 is a block diagram for explaining the energy exchange amount calculation device of the air conditioner, according to an embodiment of the present invention.
  • the energy exchange amount calculating device 100 of the air conditioner 10 includes a temperature value receiving unit 110, an operation determining unit 120, and an energy exchange amount calculating unit 130. ).
  • the temperature value receiving unit 110 includes a supply temperature value T2 which is a temperature value of air supplied by the air conditioner 10 to a room, a room temperature value T1 which is a temperature value of indoor air, and a cooling heat source included in the air conditioner 10.
  • a supply temperature value T2 which is a temperature value of air supplied by the air conditioner 10 to a room
  • a room temperature value T1 which is a temperature value of indoor air
  • Each of the coil temperature values T3, which are the temperature values of the coil 11 is received for each predetermined time interval from the plurality of temperature sensors 1, 2, and 3 installed in advance.
  • the plurality of temperature sensors 1, 2, 3 may include a first temperature sensor 1 measuring a supply temperature value T2, a second temperature sensor 2 measuring a room temperature value T1, and a coil temperature. It may include a third temperature sensor 3 for measuring the value (T3), the temperature value receiving unit 110, the first temperature sensor 1, the second temperature sensor 2 and the third temperature sensor (3). A temperature value can be received from each.
  • the operation determiner 120 determines whether the air conditioner 10 is operated for each predetermined time interval based on the difference between the supply temperature value T2 and the room temperature value T1.
  • the energy exchange amount calculating unit 130 calculates the energy exchange amount of the air conditioner 10 for each time period in which the air conditioner 10 operates based on the difference between the room temperature value T1 and the coil temperature value T3. .
  • the operation determination unit 120 calculates a supply-room temperature difference value ⁇ T12, which is a difference between the supply temperature value T2 and the room temperature value T1, for each predetermined time interval, and supplies the supply-room temperature difference.
  • the time interval where the value ⁇ T12 is greater than the preset operation threshold is determined as the time interval during which the air conditioner 10 operates.
  • the energy exchange amount calculating unit 130 calculates a room-coil temperature difference value ⁇ T13, which is a difference value between the room temperature value T1 and the coil temperature value T3, for each preset time period, and the room-coil temperature difference.
  • the value ⁇ T13 is matched to a prestored energy exchange performance degradation rate table to select the energy exchange performance degradation coefficient corresponding to the room-coil temperature difference value ⁇ T13 for each predetermined time interval, and the time at which the air conditioner 10 operates.
  • the energy exchange capacity of the air conditioner 10 is calculated for each time interval in which the air conditioner 10 is operated by multiplying the energy exchange capacity deterioration coefficient by the interval energy exchange capacity for each section.
  • the energy exchange performance degradation coefficient is a proportional coefficient that decreases together linearly or nonlinearly as the room-coil temperature difference value ⁇ T13 decreases.
  • the section energy exchange capacity may be calculated based on a ratio of the rated capacity representing the energy exchange capacity per hour of the air conditioner 10 to a predetermined time section.
  • the energy exchange amount calculating unit 130 sums up the energy exchange amount of the air conditioner 10 for each of the time intervals during which the air conditioner 10 operates, and then converts the daily energy exchange of the air conditioner 10. Calculate the quantity.
  • FIG. 3 is a flowchart illustrating a method of calculating an energy exchange amount of an air conditioner according to an embodiment of the present invention.
  • the method of calculating the energy exchange amount of the air conditioner 10 receives each of the supply temperature value T2, the room temperature value T1, and the coil temperature value T3. Step S310, determining whether the air conditioner 10 is in operation (S320), and calculating an energy exchange amount of the air conditioner (S330).
  • the temperature value receiver 110 supplies a supply temperature value T2, which is a temperature value of air supplied by the air conditioner 10, to a room temperature value T1, which is a temperature value of indoor air, and an air conditioner 10. It may mean a step of receiving each coil temperature value T3, which is a temperature value of the included cold heat source coil 11, from a plurality of pre-installed temperature sensors at predetermined time intervals.
  • the temperature value receiver 110 receives a supply temperature value T2, which is a temperature value of air supplied from the air conditioner 10 to the room, from the first temperature sensor 1, and the second temperature sensor 2. ) Receives a room temperature value T1, which is a temperature value of indoor air, and obtains a coil temperature value T3, which is a temperature value of the cold heat source coil 11 included in the air conditioner 10, from the third temperature sensor 3. It may be received for each preset time interval.
  • step S310 when the predetermined time interval is 10 minutes, in step S310 the temperature value receiver 110 is supplied once every 10 minutes supply temperature value (T2), room temperature value (T1) and coil temperature value (T3)
  • the preset time interval is 10 minutes
  • the present invention is not limited thereto.
  • the operation determining unit 120 may refer to a step of determining whether the air conditioner or the air conditioner 10 operates based on a difference between the supply temperature value T2 and the room temperature value T1. .
  • FIG. 4 is a flowchart illustrating a step of determining whether the air conditioner is operating in the method of calculating the energy exchange amount of the air conditioner according to the embodiment of the present invention.
  • the step (S320) of determining whether or not the operation of the air conditioner 10 calculates the supply-room temperature difference value
  • a step S323 of determining a time interval in which the supply-room temperature difference value is greater than an operation threshold value as the air conditioner operation time interval is a step S323 of determining a time interval in which the supply-room temperature difference value is greater than an operation threshold value as the air conditioner operation time interval.
  • the operation determining unit 120 may calculate a supply-room temperature difference value ⁇ T12, which is a difference between the supply temperature value T2 and the room temperature value T1, for each predetermined time interval. have.
  • step S321 when the preset time interval is 10 minutes, when the supply temperature value T2 measured at 00:00 is 15 degrees and the room temperature value T1 is 15 degrees, the supply-room temperature difference value ⁇ T12 Is 0 degrees, when the supply temperature value T2 measured at 0:10 is 20 degrees and the room temperature value T1 is 15 degrees, the supply-room temperature difference ⁇ T12 is 5 degrees and 0:20 If the measured supply temperature value T2 is 42 degrees and the room temperature value T1 is 21 degrees, the supply-room temperature difference value ⁇ T12 may be 21 degrees.
  • the operation determiner 120 may refer to a step in which the air conditioner 10 operates for a time interval in which the supply-room temperature difference value ⁇ T12 is greater than a preset operation threshold value.
  • step S323 the supply-room temperature difference value ⁇ T12 of 0:00 is 0 degrees, and the supply-room temperature difference of 0:10 is 0 degrees. Since the value ⁇ T12 is 5 degrees and the supply-room temperature difference value ⁇ T12 of 0:20 is 21 degrees, in operation S323, the operation determining unit 120 performs the air conditioner from 0:00 to 0:10. It is determined that the time interval (10) does not operate, and it is determined that the air conditioner 10 does not operate from 0:10 to 0:20, and the air conditioner (10) from 0:20 to 0:30 ) May be determined as a time interval during which the operation is performed.
  • This may mean a state in which the air conditioner 10 does not operate when the difference between the room temperature value T1 and the supply temperature value T2 is small, and conversely, the room temperature value T1 and the supply temperature value T2. This is because a large difference value of) may mean a state in which the air conditioner 10 operates.
  • the method of calculating the energy exchange amount of the air conditioner according to the embodiment of the present invention may set various operation thresholds as needed in addition to the above operation threshold.
  • the present invention is not limited to specific operating thresholds.
  • step S330 will now be described.
  • FIG. 5 is a flowchart illustrating a step of calculating the energy exchange amount of the air conditioner in the method of calculating the energy exchange amount of the air conditioner according to the embodiment of the present invention.
  • step S330 the energy exchange amount calculating unit 130 exchanges energy of the air conditioners 10 with respect to each of the time intervals in which the air conditioners 10 operate based on the difference between the room temperature value T1 and the coil temperature value T3. It may mean a step of calculating the amount.
  • step S330 is performed by calculating the indoor-coil temperature difference value step S331, selecting the energy exchange performance degradation factor S333 and multiplying the energy exchange capacity reduction factor by the section energy exchange capacity to exchange energy of the air conditioner. Computing the amount (S335).
  • the energy exchange amount calculating unit 130 may calculate a room-coil temperature difference value ⁇ T13, which is a difference value between the room temperature value T1 and the coil temperature value T3, for each preset time period. Can be.
  • step S331 when the preset time interval is 10 minutes, when the room temperature value T1 measured at 00:00 is 15 degrees and the coil temperature value T3 is 17 degrees, the room-coil temperature difference value ⁇ T13 Is 2 degrees, and the room-to-coil temperature difference value ⁇ T13 is 30 degrees when the room temperature value T1 measured at 0:10 is 15 degrees and the coil temperature value T3 is 45 degrees. If the measured room temperature value T1 is 21 degrees and the coil temperature value T3 is 65 degrees, the room-coil temperature difference value ⁇ T13 may be 44 degrees.
  • step S333 the energy exchange amount calculating unit 130 matches the indoor-coil temperature difference value ⁇ T13 to a pre-stored energy exchange performance deterioration rate table, and the energy exchange performance deterioration coefficient corresponding to the indoor-coil temperature difference value ⁇ T13. It may mean a step of selecting for each preset time interval.
  • the energy exchange performance deterioration rate table is an energy exchange performance deterioration coefficient and a room-coil temperature difference value ⁇ T13, which are coefficients representing the degree of deterioration of the energy exchange performance of the air conditioner 10 according to the indoor-coil temperature difference value ⁇ T13. It may mean a table that matches.
  • the energy exchange performance deterioration coefficient may be a proportional coefficient that decreases linearly or nonlinearly as the indoor-coil temperature difference value ⁇ T13 decreases.
  • the performance of the air conditioner 10 may mean a bad state.
  • the energy exchange amount calculating unit 130 multiplies the energy exchange capacity reduction factor by the energy exchange capacity reduction coefficient for each of the time intervals during which the air conditioner 10 operates, and the air conditioner 10 for each time interval during which the air conditioner 10 operates. It may mean a step of calculating the energy exchange amount of.
  • the time interval during which the air conditioner 10 operates may be determined according to the determination result in step S320 described above.
  • the section energy exchange capacity may be calculated based on a ratio of the rated capacity representing the hourly energy exchange capacity of the air conditioner 10 to a predetermined time section.
  • the rated capacity is a capacity representing the amount of energy that the air conditioner 10 can exchange per hour, and the unit may be expressed in kcal / hour.
  • the section energy exchange capacity may mean a capacity obtained by dividing the rated capacity by 6 by converting the hourly unit of the rated capacity into one minute (60 minutes).
  • the interval energy exchange capacity may mean 1000kcal / 10min.
  • the air conditioner for the specific time interval in which the air conditioner 10 operates ( The energy exchange amount of 10) may be 7000 kcal.
  • the energy exchange amount when the air conditioner 10 is a heater, may mean an energy supply amount supplied by the heater to the room.
  • the energy exchange amount is removed by the air conditioner. It may mean the amount of energy removed.
  • the method of calculating the energy exchange amount of the air conditioner according to an embodiment of the present invention may further include calculating a daily energy exchange amount (not shown).
  • the energy exchange amount calculation unit 130 may calculate the energy exchange amount of the air conditioner 10 for each time interval during which the air conditioner 10 operates. It may refer to the step of calculating the daily energy exchange amount of the air conditioner (10) by adding up (daily).
  • the day may be divided into a total of 144 time intervals, and in the step of calculating the daily energy exchange amount (not shown), the energy exchange amount calculating unit 130 may have a total of 144 pieces.
  • the daily energy exchange amount may be calculated by summing the energy exchange amounts for the time intervals during which the air conditioner 10 operates.
  • FIGS. 6A and 6B are views for explaining a case in which the air conditioner is a heater in the method and apparatus for calculating an energy exchange amount of the air conditioner according to an embodiment of the present invention.
  • the air conditioner 10 is a heater
  • the preset time interval is 10 minutes and the rated capacity is 6000 kcal / hour.
  • the temperature value receiver 110 may receive an indoor temperature value T1, a supply temperature value T2, and a coil temperature value T3.
  • the value T1 may be 21 degrees
  • the supply temperature value T2 may be 42 degrees
  • the coil temperature value T3 may be 65 degrees.
  • the operation determination unit 120 may calculate a supply-room temperature difference value ⁇ T12, which is a difference value between the room temperature value T1 and the supply temperature value T2, and indicates a case of 0:20.
  • the supply-room temperature difference value ⁇ T12 may be 21 degrees.
  • the operation determiner 120 may determine a time interval in which the supply-room temperature difference value ⁇ T12 is greater than a preset operation threshold value as a time when the air conditioner 10 operates, and the operation threshold value is 10. For example, the time interval from 0:20 to 0:30 is described as an example. The supply-room temperature difference value ⁇ T12 of 0:20 is greater than 21 degrees and the operating threshold (10 degrees) is 0. The time interval from 20 minutes to 0:30 may be determined as a time interval during which the air conditioner 10 operates.
  • the energy exchange amount calculating unit 130 may calculate a room-coil temperature difference value ⁇ T13, which is a difference value between the room temperature value T1 and the coil temperature value T3, and measures 0:20.
  • the room-coil temperature difference value ⁇ T13 may be 44 degrees.
  • the energy exchange amount calculating unit 130 may match the indoor-coil temperature difference value ⁇ T13 to the energy exchange performance degradation rate table as illustrated in FIG. 6B, and select an energy exchange performance degradation coefficient.
  • the indoor-coil temperature difference value ⁇ T13 shown in FIG. May be selected as 0.9.
  • the energy exchange amount calculating unit 130 multiplies the energy exchange performance deterioration coefficient by the section energy exchange capacity (1000kcal / 10min), which is a capacity divided by 6, the rated capacity (6000kcal / hour), and the energy supplied by the heater to the room.
  • the energy exchange performance deterioration coefficient is 0.9, and thus the energy supply of the heater to the room from 0:20 to 0:30 is 900 kcal. Can be calculated.
  • FIG. 7A and 7B are views for explaining a case in which an air conditioner is an air conditioner in a method and apparatus for calculating an energy exchange amount of an air conditioner according to an embodiment of the present invention.
  • the predetermined time interval is 10 minutes and the rated capacity is 5400 kcal / hour will be described as an example.
  • the temperature value receiving unit 110 may receive an indoor temperature value T1, a supply temperature value T2, and a coil temperature value T3.
  • the value T1 may be 26 degrees
  • the supply temperature value T2 may be 10 degrees
  • the coil temperature value T3 may be 5 degrees.
  • the operation determination unit 120 may calculate a supply-room temperature difference value ⁇ T12, which is a difference value between the room temperature value T1 and the supply temperature value T2, and indicates a case of 0:40.
  • the supply-room temperature difference value ⁇ T12 may be 16 degrees.
  • the operation determiner 120 may determine a time interval in which the supply-room temperature difference value ⁇ T12 is greater than a preset operation threshold value as a time when the air conditioner 10 operates, and the operation threshold value is 10. For example, the time interval from 0:40 to 0:50 is described as an example.
  • the supply-room temperature difference value ⁇ T12 at 0:40 is greater than the operating threshold (10 degrees) at 16 degrees, and thus 0.
  • the time period from 40 minutes to 0:50 may be determined as a time period during which the air conditioner 10 operates.
  • the energy exchange amount calculating unit 130 may calculate a room-coil temperature difference value ⁇ T13, which is a difference value between the room temperature value T1 and the coil temperature value T3, and measures 0:40.
  • the room-coil temperature difference value ⁇ T13 may be 21 degrees.
  • the energy exchange amount calculating unit 130 may match the indoor-coil temperature difference value ⁇ T13 to the energy exchange performance degradation rate table as shown in FIG. 7B to select an energy exchange performance degradation coefficient, and 0.
  • the indoor-coil temperature difference value ⁇ T13 is 21 degrees. Therefore, the indoor-coil temperature difference value ⁇ T13 shown in FIG. May be selected as 0.9.
  • the energy exchange amount calculating unit 130 multiplies the energy exchange performance deterioration coefficient by the interval energy exchange capacity (900 kcal / 10 min), which is the capacity divided by the rated capacity (5400 kcal / hour) by 6, and the energy supplied by the heater to the room.
  • the energy exchange deterioration coefficient is 0.9. Therefore, the amount of energy removed by the air conditioner from 0:40 to 0:50 is 810 kcal. Can be calculated.
  • the energy exchange performance degradation coefficient may be 1 when the maximum performance is achieved, and may mean a proportional coefficient that decreases as the indoor-coil temperature difference value ⁇ T13 decreases.
  • the energy exchange performance deterioration coefficient 1
  • it may mean factory performance at the time of designing the air conditioner (10).

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

Abstract

La présente invention concerne un procédé de calcul du taux d'échange d'énergie d'un dispositif de refroidissement et de chauffage et un dispositif associé, le procédé comprenant les étapes suivantes : une unité de réception de valeur de température reçoit respectivement, de la part d'une pluralité de capteurs de température préinstallés, une valeur de température d'alimentation, qui est une valeur de température de l'air fourni à l'intérieur par un dispositif de refroidissement et de chauffage, une valeur de température intérieure, qui est une valeur de température de l'air intérieur, et une valeur de température de bobine, qui est une valeur de température d'une bobine source de chaleur froide comprise dans le dispositif de refroidissement et de chauffage, pour chaque intervalle de temps prédéfini ; une unité de détermination de fonctionnement détermine le fonctionnement du dispositif de refroidissement et de chauffage pour chaque intervalle de temps prédéfini sur la base du différentiel entre la valeur de température d'alimentation et la valeur de température intérieure ; et une unité de calcul de taux d'échange d'énergie calcule le taux d'échange d'énergie du dispositif de refroidissement et de chauffage par rapport à chaque intervalle de temps du fonctionnement du dispositif de refroidissement et de chauffage sur la base du différentiel entre la valeur de température intérieure et la valeur de température de bobine.
PCT/KR2017/003164 2017-03-21 2017-03-24 Procédé et dispositif pour calculer le taux d'échange d'énergie d'un dispositif de refroidissement et de chauffage WO2018174317A1 (fr)

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KR1020170035499A KR101937695B1 (ko) 2017-03-21 2017-03-21 냉난방기의 에너지 교환량 산출 방법 및 장치

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0155826A2 (fr) * 1984-03-23 1985-09-25 International Control Automation Finance S.A. Moniteurs pour le contrôle des performances d'un échangeur de chaleur
WO1998008179A1 (fr) * 1996-08-22 1998-02-26 Emv Technologies, Inc. Systeme et procede de mesure et de controle de l'energie avec reference de la ligne de base constante
KR200277144Y1 (ko) * 2002-03-07 2002-05-30 윤대성 에너지 사용량 확인장치
US20120046909A1 (en) * 2010-08-19 2012-02-23 Yamatake Corporation Air conditioning system overall efficiency calculating device and method
US20160146480A1 (en) * 2014-11-21 2016-05-26 Mitsubishi Electric Corporation System and method for controlling an outdoor air conditioner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0155826A2 (fr) * 1984-03-23 1985-09-25 International Control Automation Finance S.A. Moniteurs pour le contrôle des performances d'un échangeur de chaleur
WO1998008179A1 (fr) * 1996-08-22 1998-02-26 Emv Technologies, Inc. Systeme et procede de mesure et de controle de l'energie avec reference de la ligne de base constante
KR200277144Y1 (ko) * 2002-03-07 2002-05-30 윤대성 에너지 사용량 확인장치
US20120046909A1 (en) * 2010-08-19 2012-02-23 Yamatake Corporation Air conditioning system overall efficiency calculating device and method
US20160146480A1 (en) * 2014-11-21 2016-05-26 Mitsubishi Electric Corporation System and method for controlling an outdoor air conditioner

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