WO2014008737A1 - 变频空调器的节能控制方法及装置 - Google Patents

变频空调器的节能控制方法及装置 Download PDF

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Publication number
WO2014008737A1
WO2014008737A1 PCT/CN2012/085764 CN2012085764W WO2014008737A1 WO 2014008737 A1 WO2014008737 A1 WO 2014008737A1 CN 2012085764 W CN2012085764 W CN 2012085764W WO 2014008737 A1 WO2014008737 A1 WO 2014008737A1
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WIPO (PCT)
Prior art keywords
air conditioner
inverter air
power consumption
energy
running time
Prior art date
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PCT/CN2012/085764
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English (en)
French (fr)
Inventor
李强
张治国
李金波
曾强兵
潘新运
郑水胜
戚文端
陈首敏
王磊
卢海生
朱良红
黄灿彬
罗凌
Original Assignee
广东美的制冷设备有限公司
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Filing date
Publication date
Application filed by 广东美的制冷设备有限公司 filed Critical 广东美的制冷设备有限公司
Priority to AU2012385336A priority Critical patent/AU2012385336B9/en
Priority to EP12880755.9A priority patent/EP2889545B1/en
Priority to US13/787,851 priority patent/US9062891B2/en
Publication of WO2014008737A1 publication Critical patent/WO2014008737A1/zh

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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
    • F24F11/30—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
    • F24F11/56—Remote control
    • F24F11/59—Remote control for presetting
    • 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
    • F24F11/62—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
    • F24F11/65—Electronic processing for selecting an operating mode
    • 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
    • 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
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/85—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
    • 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
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F25B2600/021—Inverters therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • the invention relates to an energy-saving control technology for an inverter air conditioner, in particular to an energy-saving control method and device for an inverter air conditioner.
  • the existing inverter air conditioner (speed control room air conditioner) usually realizes air conditioning control by setting the indoor environment target temperature.
  • the indoor environment target temperature is raised to achieve energy saving;
  • State energy saving by lowering the indoor environmental target temperature.
  • the power consumption per unit time is ambiguous to the user, and the relatively accurate power consumption control cannot be realized, so that the user cannot accurately control the use cost of the inverter air conditioner.
  • the main object of the present invention is to provide an energy-saving control method for an inverter air conditioner, so that the user can accurately control the power consumption and the use cost of the inverter air conditioner.
  • the invention provides an energy-saving control method for an inverter air conditioner, comprising:
  • the air conditioner main control unit receives the power consumption and the running time setting
  • the control inverter air conditioner operates according to the calculated or retrieved operating parameters.
  • the operating parameter of the inverter air conditioner is a constant power operation parameter
  • the power consumption is X
  • the running time is T
  • the operating frequency of the inverter air conditioner is X/T.
  • the operating parameter of the inverter air conditioner is a variable power operation parameter
  • the power consumption is X
  • the running time is T
  • the set running time T is divided into T1 to Tn segments, corresponding to the set power consumption.
  • the quantity X is divided into X1 to Xn segments, and n is a natural number greater than or equal to 2.
  • the operating power of each stage of the inverter air conditioner is the power consumption consumed in the corresponding time divided by the running time, and X1/ T1>Xn/Tn.
  • the X is from 1 to 3 KW*h and the T is from 5 to 10 h.
  • the setting further includes setting of an indoor environment target temperature.
  • the preset power consumption and the running time, or the preset power consumption, the running time, and the indoor environment target temperature are supplied to the user selection or the system default setting.
  • the invention also provides an energy-saving control device for an inverter air conditioner, comprising:
  • the parameter calculation or acquisition module is configured to calculate or retrieve an operating parameter of the inverter air conditioner that consumes the set power consumption according to the set power consumption and the running time;
  • the parameter execution module is configured to control the inverter air conditioner to operate according to the calculated or retrieved operating parameters.
  • the operating parameter of the inverter air conditioner is a constant power operating parameter
  • the power consumption is X
  • the running time is T
  • the operating frequency of the inverter air conditioner is X/T.
  • the operating parameter of the inverter air conditioner is a variable power operation parameter
  • the power consumption is X
  • the running time is T
  • the set running time T is divided into T1 to Tn segments, corresponding to the set power consumption.
  • the quantity X is divided into X1 to Xn segments, and n is a natural number greater than or equal to 2.
  • the operating power of each stage of the inverter air conditioner is the power consumption consumed in the corresponding time divided by the running time, and X1/ T1>Xn/Tn.
  • the X is from 1 to 3 KW*h and the T is from 5 to 10 h.
  • the setting further includes setting of an indoor environment target temperature.
  • the preset power consumption and the running time, or the preset power consumption, the running time, and the indoor environment target temperature are supplied to the user selection or the system default setting.
  • the invention can calculate or retrieve the operating parameters of the inverter air conditioner in the case by receiving the user's setting of the power consumption and the running time or the setting of the indoor environment target temperature, so that the inverter air conditioner can be operated according to the operation.
  • the parameters are operated so that the user can intuitively and accurately control the power consumption and the cost of using the inverter air conditioner.
  • FIG. 1 is a schematic flow chart of steps in an embodiment of an energy-saving control method for an inverter air conditioner according to the present invention
  • FIG. 2 is a schematic diagram of a power consumption multi-speed adjustment mode according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram showing changes in power consumption over time in an embodiment of the present invention.
  • FIG. 4 is a schematic view showing changes of a fan according to an embodiment of the present invention.
  • Fig. 5 is a structural schematic view showing an embodiment of an energy-saving control device for an inverter air conditioner according to the present invention.
  • PFC (Power Factor) of outdoor unit in inverter air conditioner Correction usually has current and voltage detection functions, and the indoor unit power also has a mature fuzzy calculation method to achieve the whole machine power test; or by adding the whole machine current and voltage detection device.
  • the calculation or acquisition of the operating parameters of the target power of the whole machine can be achieved by setting the operating target power and detecting the actual operating power of the whole machine under pre-selected operating conditions. After comparing the two, increase or decrease the compressor and/or The frequency of operation of the fan makes the operating power of the inverter air conditioner close to the set target power, and then the air conditioning operating parameters of the experimental data are taken as the operating parameters under the same target power, thereby realizing the air conditioning operating parameter control with the target power.
  • the method can include:
  • Step S11 the air conditioner main control unit receives the power consumption and the running time setting
  • Step S12 calculating or retrieving the operating parameters of the inverter air conditioner that consumes the set power consumption during the set running time according to the set power consumption and the running time;
  • Step S13 Control the inverter air conditioner to operate according to the calculated or retrieved operating parameters.
  • the energy-saving control method of the above-mentioned inverter air conditioner, power consumption and running time can be realized by a remote controller or an air conditioner main control panel, or one or more sets of matching parameters can be set by the system, and can be selected by a button.
  • the main control unit of the air conditioner receives the power consumption and running time set by the user, or preset the power consumption, the running time and the indoor environment target temperature, and calculates or retrieves the operating parameters of the inverter air conditioner in the case, such as Operating power or the like allows the inverter air conditioner to operate according to the operating parameters. Therefore, the user can intuitively and accurately control the power consumption and the use cost of the inverter air conditioner.
  • the above operating parameters may be different according to different operating conditions of the inverter air conditioner.
  • the constant power operating parameter may include operating power and corresponding compression at the operating power.
  • the operating power is X/T (X divided by T); when the inverter air conditioner operates at variable power, The set running time T is divided into T1 to Tn segments (T1, T2, ..., Tn), and the corresponding power consumption X is divided into X1 to Xn segments (X1, X2, ..., Xn), and n may be greater than or a natural number equal to 2, and X1/ T1>Xn/ Tn; wherein the T1, T2, ..., Tn or X1, X2, ..., Xn may be non-averaged.
  • the corresponding operating power such as constant power or corresponding operating power for the corresponding time period
  • the operating frequency of the compressor and/or the fan can be controlled according to the operating power.
  • the power consumption X and the running time T may be set according to actual conditions.
  • the power consumption X may be preferably set to 1 to 3 KW*h (in kilowatts*), and the time T may preferably be set to 5 to 10 hours (hours). ).
  • the power consumption X and the running time T need to be matched and set.
  • the operating power of the inverter air conditioner must also be considered.
  • the setting is that the inverter air conditioner can operate and achieve user requirements to some extent (such as cooling and heating).
  • a three-stage energy-efficient 1P air conditioner setting the power consumption X to 1KW*h, the setting time should be greater than or equal to 2 hours, even if it can be set to 1 hour, the air conditioner can only Operating at the maximum power allowed by the air conditioner; when the set power consumption X is too small, the running time T is too long, and the target operating power is less than the operating power corresponding to the minimum operating frequency allowed by the air conditioner, the air conditioner allows The lowest operating frequency is used as the operating parameter.
  • the corresponding setting may not be received; for example, even if the inverter air conditioner runs the set running time at the lowest power, the power consumption is consumed. It still exceeds the set power consumption, or when the user needs to cool down and can only achieve the ventilation effect according to the setting, the corresponding setting may not be received.
  • the setting further includes the setting of the indoor environment target temperature
  • the indoor environment target temperature is regarded as a limit temperature, such as a cooling state, and if the indoor environment target temperature is set to 26 degrees, the air conditioner is at or near 26 degrees, the air conditioner The compressor operating frequency will be maintained or appropriately reduced so that the temperature does not fall any more.
  • the power consumption, the running time or the option of combining the indoor environment target temperature can be preset for the user to select.
  • the user selects the required energy-saving mode by pressing the energy-saving button. 2, can be set to multi-speed energy-saving mode, switch through the energy-saving function key, when you need high-power operation, you can choose 8 hours of power consumption 3 KW*h is controlled. When low power operation is required, it can be controlled by 8 hours of power consumption of 1KW*h.
  • the above-mentioned time parameter T and power consumption X setting can be preset by the system, or a manual setting option can be added in the control interface.
  • the power consumption set in this embodiment can be 1KW*h, 1.5KW*h, 2KW*h, 3KW*h, etc., and the user can use the remote controller or the air conditioner main control panel to complete the required mode according to requirements.
  • the remote controller automatically confirms the currently selected energy saving mode; when the user cancels the energy saving, the remote control immediately cancels the code.
  • the operating time of the air conditioner can be manually set to 9 hours, and the total power consumption is 2KW*h; when the inverter air conditioner is operated at constant power, the running power is W 2KW*h. /9.
  • the indoor environment target temperature of the inverter air conditioner is usually set to be about 26 degrees when cooling, and about 20 degrees when heating.
  • the value, such as 26 degrees controls the operating power of the air conditioner to decrease; when heating, when the indoor temperature is higher than the indoor energy-saving temperature value, such as 20 degrees, the operating power of the control air conditioner is lowered.
  • the user can also choose to actively set the indoor environment target temperature value.
  • the energy-saving mode is entered through the energy-saving function key, and the system can be operated in the default 8-hour power consumption 1KW*h mode, and the running power W is 1KW*h. /8, running at constant power.
  • the energy-saving mode is entered through the energy-saving function key, and the system operates in a default 8-hour power consumption mode of 1KW*h, and the operating power W is 1KW*h. /8, where the first stage of 15 minutes of power consumption target value of 0.2 KW * h, the second stage of 5 minutes of power consumption target value of 0.05 KW * h, the remaining 0.75
  • the target value of KW*h power consumption runs smoothly at constant power within 7 hours and 40 minutes.
  • This operation mode can improve the comfort of the air conditioner, that is, the compressor runs at high frequency in the first 20 minutes, and can be cooled and cooled quickly in the cooling state. In the heating state, it can quickly heat up and then run smoothly at low frequency to keep the room at a relatively stable temperature.
  • the energy-saving operation mode defaults to 8 hours
  • the cooling energy-saving temperature is set to 26° C.
  • the air conditioner enters the cooling operation state (refer to FIG. 3):
  • the compressor runs at a controlled frequency and enters the first stage of the energy-saving mode
  • Condition 1 Run at a frequency of 40HZ for 15 minutes, and the indoor and outdoor fans run in a stroke;
  • Condition 2 the indoor actual temperature value t1 is lower than the set temperature temperature value t2 (preferably 26 ° C);
  • the operation After entering the second stage of the energy-saving mode, the operation is performed at a frequency of 30 Hz, and after 5 minutes, the third stage of the energy-saving mode is entered, or t1 is lower than 26° C. and enters the third stage of the energy-saving mode.
  • the progress enters the third stage of the energy-saving mode and runs at a frequency of 10HZ.
  • the compressor is operated in conjunction with the indoor and outdoor fans, and the internal fan is operated with "high wind” (for example, the fan with 80% windshield in the stepless speed control function) after the energy saving function is turned on. After 20 minutes, then turn to "low wind” (for example, the fan with a stepless speed control function is operated with a 30% windshield), see Figure 4.
  • "high wind” for example, the fan with 80% windshield in the stepless speed control function
  • the user can be allowed to adjust the indoor wind speed through the remote control.
  • the running wind speed is subject to the user setting. Since the indoor fan has little influence on the power of the whole machine, the total power consumption of the air conditioner is allowed to show a certain deviation.
  • the energy-saving control device 20 of the inverter air conditioner may include: a setting receiving module 21, a parameter calculation or retrieval module 22, and a parameter execution module 23; the setting receiving module 21 is configured to receive power consumption through the air conditioner main control unit And the setting of the running time; the parameter calculating or retrieving module 22 is configured to calculate or retrieve the power consumption of the inverter air conditioner for the set running time according to the set power consumption and the running time.
  • the operating parameter in the case; the parameter execution module 23 is configured to control the inverter air conditioner to operate according to the calculated or retrieved operating parameters.
  • the energy-saving control device 20 of the above-mentioned inverter air conditioner can receive the user's power consumption and running time, or preset power consumption, running time, and indoor environment target temperature setting by setting the receiving module 21, thereby utilizing the parameter
  • the calculation or retrieval module 22 calculates or retrieves operating parameters of the inverter air conditioner in such a situation, such as operating power, etc., such that the parameter execution module 23 can be used to control the inverter air conditioner to operate in accordance with the operating parameters. Therefore, the user can intuitively and accurately control the power consumption and the use cost of the inverter air conditioner.
  • the above operating parameters may be different according to different operating conditions of the inverter air conditioner.
  • the constant power operating parameter may include operating power and compressor operating frequency under corresponding power.
  • the indoor and outdoor fan speeds; when the inverter air conditioner is operated at variable power, the variable power operation parameters may include the number of power transitions, the corresponding compressor operating frequency during each power running time, and the indoor and outdoor fan speeds.
  • the operating power is X/T (X divided by T); when the inverter air conditioner operates at variable power, The set running time T is divided into T1 to Tn segments (T1, T2, ..., Tn), and the corresponding power consumption X is divided into X1 to Xn segments (X1, X2, ..., Xn), and n may be greater than or a natural number equal to 2, and X1/ T1>Xn/ Tn; wherein the T1, T2, ..., Tn or X1, X2, ..., Xn may be non-averaged.
  • the corresponding operating power such as constant power or corresponding operating power for the corresponding time period
  • the operating frequency of the compressor and/or the fan can be controlled according to the operating power.
  • the power consumption X and the running time T may be set according to actual conditions.
  • the power consumption X may be preferably set to 1 to 3 KW*h (in kilowatts*), and the time T may preferably be set to 5 to 10 hours (hours). ).
  • the power consumption X and the running time T need to be matched and set.
  • the operating power of the inverter air conditioner must also be considered.
  • the setting is that the inverter air conditioner can operate and achieve user requirements to some extent (such as cooling and heating).
  • a three-stage energy-efficient 1P air conditioner setting the power consumption X to 1KW*h, the setting time should be greater than or equal to 2 hours, even if it can be set to 1 hour, the air conditioner can only Operating at the maximum power allowed by the air conditioner; when the set power consumption X is too small, the running time T is too long, and the target operating power is less than the operating power corresponding to the minimum operating frequency allowed by the air conditioner, the air conditioner allows The lowest operating frequency is used as the operating parameter.
  • the corresponding setting may not be received; for example, even if the inverter air conditioner runs the set running time at the lowest power, the power consumption is consumed. It still exceeds the set power consumption, or when the user needs to cool down and can only achieve the ventilation effect according to the setting, the corresponding setting may not be received.
  • the setting further includes the setting of the target temperature
  • the setting of the power consumption X and the running time T also needs to consider whether the target temperature can be reached, and operates according to the set power consumption X and the running time T. When the temperature reached after the difference between the temperature and the target temperature is large (for example, more than 2 degrees difference), the corresponding setting may not be received.

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  • General Engineering & Computer Science (AREA)
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Abstract

本发明揭示了一种变频空调器的节能控制方法及装置。该方法可包括：空调器主控单元接收耗电量及运行时间的设定；根据设定的耗电量及运行时间，计算或调取变频空调器在设定的运行时间内消耗设定的耗电量情况下的运行参数；控制变频空调器根据计算或调取的运行参数运行。本发明可通过接收用户对耗电量以及运行时间设定或结合室内环境目标温度的设定，从而可由此计算变频空调器在该种情况下的运行参数，使得该变频空调器可根据该运行参数运行；从而用户可直观、精确地控制变频空调器的耗电量及使用成本。

Description

变频空调器的节能控制方法及装置
技术领域
本发明涉及到变频空调节能控制技术，特别涉及到一种变频空调的节能控制方法及装置。
背景技术
现有的变频空调器（转速可控房间空气调节器）通常通过设定室内环境目标温度的方法实现空调控制，当需要节能时，在制冷状态，调高室内环境目标温度实现节能；在制热状态，通过调低室内环境目标温度实现节能。上述控制方法，单位时间内的耗电量对于用户来说是模糊的，不能实现相对精确的耗电量控制，从而用户无法精确控制变频空调器的使用成本。
发明内容
本发明的主要目的为提供一种变频空调器的节能控制方法，使用户可精确控制变频空调器的耗电量及使用成本。
本发明提出一种变频空调器的节能控制方法，包括：
空调器主控单元接收耗电量及运行时间的设定；
根据设定的耗电量及运行时间，计算或调取变频空调器在设定的运行时间内消耗设定的耗电量情况下的运行参数；
控制变频空调器根据计算或调取的运行参数运行。
优选的，所述变频空调器的运行参数为恒定功率运行参数，所述耗电量为X，运行时间为T，变频空调器运行功率为X/T。
优选的，所述变频空调器的运行参数为变功率运行参数，所述耗电量为X，运行时间为T，将设定的运行时间T分为T1至Tn段，对应设定的耗电量X分为X1至Xn段，n为大于或等于2的自然数，变频空调器的各阶段运行功率为对应时间内消耗的耗电量除以运行时间，且X1/ T1＞Xn/ Tn。
优选的，所述X为1至3KW*h，所述T为5至10h。
优选的，所述设定还包括室内环境目标温度的设定。
优选的，预设耗电量以及运行时间，或者预设耗电量、运行时间以及室内环境目标温度的选项供给用户选择或系统默认设定。
本发明还提出一种变频空调器的节能控制装置，包括：
设定接收模块，用于通过空调器主控单元接收耗电量及运行时间的设定；
参数计算或调取模块，用于根据设定的耗电量及运行时间，计算或调取变频空调器在设定的运行时间内消耗设定的耗电量情况下的运行参数；
参数执行模块，用于控制变频空调器根据计算或调取的运行参数运行。
优选地，所述变频空调器的运行参数为恒定功率运行参数，所述耗电量为X，运行时间为T，变频空调器运行功率为X/T。
优选地，所述变频空调器的运行参数为变功率运行参数，所述耗电量为X，运行时间为T，将设定的运行时间T分为T1至Tn段，对应设定的耗电量X分为X1至Xn段，n为大于或等于2的自然数，变频空调器的各阶段运行功率为对应时间内消耗的耗电量除以运行时间，且X1/ T1＞Xn/ Tn。
优选地，所述X为1至3KW*h，所述T为5至10h。
优选地，所述设定还包括室内环境目标温度的设定。
优选地，预设耗电量以及运行时间，或者预设耗电量、运行时间以及室内环境目标温度的选项供给用户选择或系统默认设定。
本发明可通过接收用户对耗电量以及运行时间设定或结合室内环境目标温度的设定，计算或调取变频空调器在该种情况下的运行参数，使得该变频空调器可根据该运行参数运行，从而用户可直观、精确地控制变频空调器的耗电量及使用成本。
附图说明
图1 是本发明变频空调器的节能控制方法一实施例中的步骤流程示意图；
图2 是本发明一实施例中耗电量多档调节模式的示意图；
图3 是本发明一实施例中耗电量随时间而变化的示意图；
图4 是本发明一实施例中风机随时间变化而变化的示意图；
图5 是本发明变频空调器的节能控制装置一实施例中的结构示意图。
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
变频空调器中室外机的PFC（Power Factor Correction，功率因数校正）模块通常都具有电流、电压检测功能，室内机功率也有成熟的模糊计算方法，从而实现整机功率测试；或通过增加整机电流、电压检测装置实现。整机目标功率的运行参数计算或调取可通过在预先选定工况下，设定运行目标功率和检测整机实际运行功率，对两者进行比较后，升高或降低压缩机和/或风机运行的频率，使变频空调器运行功率接近设定运行目标功率，然后调取实验数据的空调运行参数作为相同目标功率下的运行参数，从而实现以目标功率进行的空调运行参数控制。当然也可以根据采用模糊算法等方法计算目标功率下的空调器运行参数，从而实现智能控制。上述均为现有空调成熟的控制技术。
参照图1，提出本发明一种变频空调器的节能控制方法一实施例。该方法可包括：
步骤S11、空调器主控单元接收耗电量及运行时间的设定；
步骤S12、根据设定的耗电量及运行时间，计算或调取变频空调器在设定的运行时间内消耗设定的耗电量情况下的运行参数；
步骤S13、控制变频空调器根据计算或调取的运行参数运行。
上述变频空调器的节能控制方法，耗电量、运行时间可以通过遥控器或空调主控面板实现，也可以系统自设一组或多组匹配参数，通过按键选择。空调器的主控单元接收用户设定的耗电量以及运行时间，或者预设耗电量、运行时间以及室内环境目标温度，计算或调取变频空调器在该种情况下的运行参数，比如运行功率等，使得该变频空调器可根据该运行参数运行。从而用户可直观、精确地控制变频空调器的耗电量及使用成本。
上述运行参数可根据变频空调器的运行情况的不同而包含的内容也不同，比如当该变频空调器以恒定功率运行时，该恒定功率运行参数可包括运行功率及在该运行功率下对应的压缩机运行频率、室内外风机的运行转数等；而该变频空调器以变功率运行时，该变功率运行参数则可包括变功率次数及各阶段对应的压缩机运行频率、室内外风机的运行转数等。
假设，上述耗电量为X以及运行时间为T，在上述变频空调器以恒定功率运行时，该运行功率为X/T（X除以T）；该变频空调器以变功率运行时，可将设定的运行时间T分为T1至Tn段（T1、T2……Tn），对应设定的耗电量X分为X1至Xn段（X1、X2……Xn），n可为大于或等于2的自然数，且X1/ T1＞Xn/ Tn；其中，该T1、T2……Tn或X1、X2……Xn可为非平均分配。在计算出相应的运行功率（比如恒定功率或相应时段的相应运行功率）后，即可根据该运行功率控制压缩机和/或风机的运行频率等。
上述耗电量X以及运行时间T可根据实际情况进行设置，比如通常该耗电量X可优选设置为1至3KW*h（千瓦*时），该时间T可优选设置为5至10h（小时）。该耗电量X以及运行时间T需匹配设置，设置时同时还需考虑该变频空调器的运行功率，其设置是以变频空调器能运行并在一定程度上实现用户需求（比如制冷、制热或通风等）为前提，比如，三级能效的1P空调器，设置耗电量X为1KW*h，其设置的时间应该大于或等于2小时，即使可以设置为1小时，空调器也只能以空调器允许的最大功率运行；当设定的耗电量X过小，运行时间T过长，其目标运行功率已小于空调器允许最低运行频率时所对应的运行功率，则以空调器允许最低运行频率作为运行参数。当设定的耗电量X以及运行时间T不匹配时，或与用户需求偏离较大时，则可不接收相应设定；比如即使变频空调器以最低功率运行设定的运行时间所消耗的电量仍超过设定的耗电量，或者当用户需要制冷而按照设定只能达到通风的效果，则可不接收相应设定。另，当设定还包括室内环境目标温度的设置时，该室内环境目标温度视为限制温度，比如制冷状态，如果室内环境目标温度设置为26度，空调器在达到或接近26度时，空调器的压缩机运行频率将维持或适当降低，使温度不再往下降。
为方便用户的设定，本实施例中上述变频空调器中可预设耗电量、运行时间或结合室内环境目标温度的选项供给用户选择。比如，可以按遥控器或空调主控面板的“节能”键进入节能模式的调整状态：显示节能模式的耗电量数值，用户通过按节能按键来来选择所需要的节能模式，具体可参照图2所示，可以设置为多档节能模式，通过节能功能键进行切换，需要大功率运行时，可以选择8小时耗电量3 KW*h进行控制，需要小功率运行时，可以选择8小时耗电量1KW*h进行控制。上述的时间参数T、耗电量X的设置，可以通过系统预设，也可以在控制界面增加人工设置选项。本实施例设定的耗电量分别可为1KW*h、1.5KW*h、2KW*h以及3KW*h等，用户根据需求使用遥控器或空调主控面板完成设定所需模式。当用户选择了所需要的节能模式3即2KW*h后，遥控器自动确认当前选定的节能模式；当用户取消节能时，遥控立即发码取消。在选择节能模式3后，即可手动设置空调的运行时间为9小时，总耗电量为2KW*h；当变频空调器以恒功率运行时，运行功率为W为2KW*h /9。在对室内环境目标温度做了设置时，变频空调器通常默认设定的室内环境目标温度在制冷时为26度左右，制热时为20度左右；制冷时，当室内温度低于室内节能温度值，如26度时，控制空调器的运行功率降低；制热时，当室内温度高于室内节能温度值，如20度时，控制空调器的运行功率降低。当然，用户也可以选择主动设定室内环境目标温度值。
在本发明一实施例中，通过节能功能键进入节能模式，系统可以采用默认的8小时耗电量1KW*h模式运行，运行功率W为1KW*h /8，为恒功率运行。
在本发明一实施例中，通过节能功能键进入节能模式，系统以默认的8小时耗电量1KW*h模式运行，运行功率W为1KW*h /8，其中第一阶段15分钟的耗电量目标值为0.2 KW*h，第二阶段5分钟的耗电量目标值为0.05 KW*h，剩余的0.75 KW*h耗电量目标值在7小时40分钟内以恒功率平稳运行，该运行模式可以提高空调的舒适性，即在前20分钟压缩机以高频运行，在制冷状态可以快速制冷降温，在制热状态可以快速制热升温，然后以低频平稳运行，使室内保持在一个相对稳定的温度。
在本发明一实施例中，节能运行模式默认为8小时，设定制冷节能温度默认26℃，空调器进入制冷运行状态（参照图3）:
1、进入节能模式后压缩机以受控频率运行，进入节能模式第一阶段；
条件一：以频率40HZ运行15min，室内外风机中风运行；
条件二：室内实际温度值t1低于设定温内温度值t2（优选为26℃）；
2、满足以上两个条件之一进入节能模式第二阶段；
进入节能模式第二阶段后以频率30HZ运行，5min后进入节能模式第三阶段，或t1低于26℃进入节能模式第三阶段。
3、进度进入节能模式第三阶段后以频率10HZ运行。
4、8小时后退出节能模式，以自动制冷模式运行或直接关机。
上述量化数值仅仅为列举，不同能效的空调器，运行参数不同，通常情况下，可以通过实验方法，在给定的模拟工况测试，使其总耗电量接近于设定的耗电量。
在上一实施例的基础上，本实施例中采用压缩机与室内外风机联动规则运行，节能功能开启后内风机以“高风”（例如有无极调速功能内风机以80%风挡）运行20分钟，然后转“低风”（例如有无极调速功能内风机以30%风挡）运行，参照图4。
节能运行期间可以允许用户通过遥控器调整室内机风速，运行风速以用户设定为准，由于室内风机对整机功率影响不大，空调器的总耗电量允许出现一定偏差。
上述实施例中引用的参数仅仅为列举，不应该视为对权利要求的限定，比如时间长短的设置，耗电量大小的设置，风机、压缩机运行频率的设置等。
参照图5，提出本发明一种变频空调器的节能控制装置20的一实施例。该变频空调器的节能控制装置20可包括：设定接收模块21、参数计算或调取模块22以及参数执行模块23；该设定接收模块21，用于通过空调器主控单元接收耗电量及运行时间的设定；该参数计算或调取模块22，用于根据设定的耗电量及运行时间，计算或调取变频空调器在设定的运行时间内消耗设定的耗电量情况下的运行参数；该参数执行模块23，用于控制变频空调器根据计算或调取的运行参数运行。
上述变频空调器的节能控制装置20，可通过设定接收模块21接收用户对耗电量以及运行时间，或者预设耗电量、运行时间以及室内环境目标温度的设定，从而可由此利用参数计算或调取模块22计算或调取变频空调器在该种情况下的运行参数，比如运行功率等，使得可利用参数执行模块23控制该变频空调器根据该运行参数运行。从而用户可直观、精确地控制变频空调器的耗电量及使用成本。
上述运行参数可根据变频空调器的运行情况的不同而包含的内容也不同，比如当该变频空调器以恒定功率运行时，该恒定功率运行参数可包括运行功率及对应功率下的压缩机运行频率、室内外风机转速；而该变频空调器以变功率运行时，该变功率运行参数则可包括功率转变次数、相应的各功率运行时间内对应的压缩机运行频率、室内外风机转速等。
假设，上述耗电量为X以及运行时间为T，在上述变频空调器以恒定功率运行时，该运行功率为X/T（X除以T）；该变频空调器以变功率运行时，可将设定的运行时间T分为T1至Tn段（T1、T2……Tn），对应设定的耗电量X分为X1至Xn段（X1、X2……Xn），n可为大于或等于2的自然数，且X1/ T1＞Xn/ Tn；其中，该T1、T2……Tn或X1、X2……Xn可为非平均分配。在计算出相应的运行功率（比如恒定功率或相应时段的相应运行功率）后，即可根据该运行功率控制压缩机和/或风机的运行频率等。
上述耗电量X以及运行时间T可根据实际情况进行设置，比如通常该耗电量X可优选设置为1至3KW*h（千瓦*时），该时间T可优选设置为5至10h（小时）。该耗电量X以及运行时间T需匹配设置，设置时同时还需考虑该变频空调器的运行功率，其设置是以变频空调器能运行并在一定程度上实现用户需求（比如制冷、制热或通风等）为前提，比如，三级能效的1P空调器，设置耗电量X为1KW*h，其设置的时间应该大于或等于2小时，即使可以设置为1小时，空调器也只能以空调器允许的最大功率运行；当设定的耗电量X过小，运行时间T过长，其目标运行功率已小于空调器允许最低运行频率时所对应的运行功率，则以空调器允许最低运行频率作为运行参数。当设定的耗电量X以及运行时间T不匹配时，或与用户需求偏离较大时，则可不接收相应设定；比如即使变频空调器以最低功率运行设定的运行时间所消耗的电量仍超过设定的耗电量，或者当用户需要制冷而按照设定只能达到通风的效果，则可不接收相应设定。另，当设定还包括目标温度的设置时，该耗电量X以及运行时间T的设定还需考虑到是否可达到该目标温度，在根据设定的耗电量X以及运行时间T运行后达到的温度与目标温度相差较大时（比如相差2度以上），则可不接收相应设定。
以上所述仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (18)

  1. 一种变频空调器的节能控制方法，其特征在于，包括：
    空调器主控单元接收耗电量及运行时间的设定；
    根据设定的耗电量及运行时间，计算或调取变频空调器在设定的运行时间内消耗设定的耗电量情况下的运行参数；
    控制变频空调器根据计算或调取的运行参数运行。
  2. 根据权利要求1所述的变频空调器的节能控制方法，其特征在于，所述变频空调器的运行参数为恒定功率运行参数，所述耗电量为X，运行时间为T，变频空调器运行功率为X/T。
  3. 根据权利要求2所述的变频空调器的节能控制方法，其特征在于，所述X为1至3KW*h，所述T为5至10h。
  4. 根据权利要求3所述的变频空调器的节能控制方法，其特征在于，所述设定还包括室内环境目标温度的设定。
  5. 根据权利要求4所述的变频空调器的节能控制方法，其特征在于，预设耗电量以及运行时间，或者预设耗电量、运行时间以及室内环境目标温度的选项供给用户选择或系统默认设定。
  6. 根据权利要求1所述的变频空调器的节能控制方法，其特征在于，所述变频空调器的运行参数为变功率运行参数，所述耗电量为X，运行时间为T，将设定的运行时间T分为T1至Tn段，对应设定的耗电量X分为X1至Xn段，n为大于或等于2的自然数，变频空调器的各阶段运行功率为对应时间内消耗的耗电量除以运行时间，且X1/ T1＞Xn/ Tn。
  7. 根据权利要求6所述的变频空调器的节能控制方法，其特征在于，所述X为1至3KW*h，所述T为5至10h。
  8. 根据权利要求7所述的变频空调器的节能控制方法，其特征在于，所述设定还包括室内环境目标温度的设定。
  9. 根据权利要求8所述的变频空调器的节能控制方法，其特征在于，预设耗电量以及运行时间，或者预设耗电量、运行时间以及室内环境目标温度的选项供给用户选择或系统默认设定。
  10. 一种变频空调器的节能控制装置，其特征在于，包括：
    设定接收模块，用于通过空调器主控单元接收耗电量及运行时间的设定；
    参数计算或调取模块，用于根据设定的耗电量及运行时间，计算或调取变频空调器在设定的运行时间内消耗设定的耗电量情况下的运行参数；
    参数执行模块，用于控制变频空调器根据计算或调取的运行参数运行。
  11. 根据权利要求10所述的变频空调器的节能控制装置，其特征在于，所述变频空调器的运行参数为恒定功率运行参数，所述耗电量为X，运行时间为T，变频空调器运行功率为X/T。
  12. 根据权利要求11所述的变频空调器的节能控制装置，其特征在于，所述X为1至3KW*h，所述T为5至10h。
  13. 根据权利要求12所述的变频空调器的节能控制装置，其特征在于，所述设定还包括室内环境目标温度的设定。
  14. 根据权利要求13所述的变频空调器的节能控制装置，其特征在于，预设耗电量以及运行时间，或者预设耗电量、运行时间以及室内环境目标温度的选项供给用户选择或系统默认设定。
  15. 根据权利要求10所述的变频空调器的节能控制装置，其特征在于，所述变频空调器的运行参数为变功率运行参数，所述耗电量为X，运行时间为T，将设定的运行时间T分为T1至Tn段，对应设定的耗电量X分为X1至Xn段，n为大于或等于2的自然数，变频空调器的各阶段运行功率为对应时间内消耗的耗电量除以运行时间，且X1/ T1＞Xn/ Tn。
  16. 根据权利要求15所述的变频空调器的节能控制装置，其特征在于，所述X为1至3KW*h，所述T为5至10h。
  17. 根据权利要求16所述的变频空调器的节能控制装置，其特征在于，所述设定还包括室内环境目标温度的设定。
  18. 根据权利要求17所述的变频空调器的节能控制装置，其特征在于，预设耗电量以及运行时间，或者预设耗电量、运行时间以及室内环境目标温度的选项供给用户选择或系统默认设定。
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