WO2016074315A1 - Frequency-variable solar air conditioner - Google Patents

Frequency-variable solar air conditioner Download PDF

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Publication number
WO2016074315A1
WO2016074315A1 PCT/CN2014/094158 CN2014094158W WO2016074315A1 WO 2016074315 A1 WO2016074315 A1 WO 2016074315A1 CN 2014094158 W CN2014094158 W CN 2014094158W WO 2016074315 A1 WO2016074315 A1 WO 2016074315A1
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Prior art keywords
solar
processor
controller
air conditioner
compressor
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PCT/CN2014/094158
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French (fr)
Chinese (zh)
Inventor
杜友志
张忠波
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江苏创兰太阳能空调有限公司
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Publication of WO2016074315A1 publication Critical patent/WO2016074315A1/en

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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
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • 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
    • 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
    • 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
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
    • F24F2005/0067—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy with photovoltaic panels

Definitions

  • the invention relates to the technical field of solar air conditioners, and in particular to a variable frequency solar air conditioner.
  • the inverter air conditioner adds a frequency converter for adjusting the speed of the compressor.
  • the inverter air conditioner can adjust the running speed of the compressor through the frequency converter, thereby reducing the power consumption.
  • the inverter air conditioner has the characteristics of high temperature regulation speed, because the inverter air conditioner works at a relatively high power, so that the room temperature rapidly rises or falls to the set temperature, so that the cooling (heat) effect is obvious. Inverter air conditioners require stable power supply when operating at higher power.
  • the current output power of solar cells is affected by the intensity of sunlight and the environment, affecting the stability of its power output.
  • the current part of the solar air conditioner only provides the mains power supply when the solar power supply is insufficient, and does not consider the problem of stable power supply when the inverter air conditioner is working at high power.
  • the invention provides a variable frequency solar air conditioner, which can provide stable power supply for high frequency operation of the inverter air conditioner.
  • the present invention provides a variable frequency solar air conditioner, including a power supply system and an air conditioner host system
  • the solar power supply system includes a solar panel, a battery and a controller
  • the controller is connected to the solar panel, the battery and the mains power, and the controller Control the solar panel or the mains power supply to charge the battery.
  • the air conditioning host system includes a processor, a frequency converter, a compressor, a condenser and a temperature detector.
  • the processor is connected to the inverter, the temperature detector and the controller of the solar power supply system, and is compressed.
  • the machine is connected to the frequency converter, the condenser and the controller, and the temperature detector transmits the detected current indoor temperature value to the processor in real time, and when the processor detects that the difference between the target temperature value and the current indoor temperature value is greater than the first preset value
  • the processor notifies the controller to control the battery to supply power to the compressor
  • the processor detects that the difference between the target temperature value and the current indoor temperature value is not greater than a second preset value
  • the processor notifies the controller to control by the solar panel Compression
  • the machine is powered, wherein the first preset value is greater than the second preset value.
  • the first preset value is 8 degrees
  • the second preset value is 3 degrees.
  • variable frequency solar air conditioner provided by the invention detects the current indoor temperature through a temperature detector, and the processor determines the range of the difference between the current indoor temperature value and the target temperature value, and adjusts the power supply mode of the compressor according to the temperature difference range.
  • FIG. 1 is a block diagram showing the connection of a variable frequency solar air conditioner according to a preferred embodiment of the present invention.
  • the variable frequency solar air conditioner provided by the preferred embodiment of the present invention includes a power supply system and an air conditioner host system.
  • the solar power supply system includes a solar panel 10, a battery 12 and a controller 11, the controller 11 is connected to the solar panel 10, the battery 12 and the mains power, and the controller 11 is used to control the charging mode of the battery 12, for example, by a solar battery.
  • the board 10 or mains power source charges the battery 12.
  • the solar battery panel 10 charges the battery 12, and when the solar panel 10 does not charge the battery 12, the battery 12 is charged by the commercial power source.
  • the air conditioning host system includes a processor 13, a frequency converter 14, a compressor 15, a condenser 16, and a temperature detector 17.
  • the processor 13 is connected to the inverter 14, the temperature detector 17, and the controller 11 of the solar power supply system.
  • the compressor 15 is connected to the inverter 14, the condenser 16, and the controller 11 of the solar power supply system.
  • the temperature detector 17 detects the current indoor temperature value and transmits the detected current indoor temperature value to the processor 13.
  • the processor 13 detects that the difference between the target temperature value (ie, the user-set temperature value) and the current indoor temperature value is greater than the first preset value, the processor 13 notifies the controller 11 to control the battery 12 of the solar power supply system.
  • the compressor 15 supplies power; when the processor 13 detects that the difference between the target temperature value and the current indoor temperature value is not greater than the second preset value, the processor 13 notifies the controller 11 to control the power supply of the compressor 15 by the solar panel 10, At this time, the solar panel 10 is no longer charging the battery 12.
  • the first preset value is greater than the second preset value.
  • the first preset value is, for example, 8 degrees
  • the second preset value is, for example, It is 3 degrees.
  • the invention determines the current working power of the compressor by judging the difference between the current indoor temperature value and the target temperature value, thereby providing a relatively stable power supply output for the compressor in a relatively high power working state.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Atmospheric Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

A frequency-variable solar air conditioner, comprising a power provision system and an air conditioner main machine system. The solar power provision system comprises a solar panel (10), a storage battery (12), and a controller (11). The controller (11) is connected to the solar panel (10), the storage battery (12), and a commercial electricity power source. The air conditioner main machine system comprises a processor (13), a variable-frequency drive (14), a compressor (15), a condenser (16) and a temperature detector (17). The processor (13) is connected to the variable-frequency drive (14), the temperature detector (17), and the controller (11) of the solar power provision system. The compressor (15) is connected to the variable-frequency drive (14), the condenser (16), and the controller (11). The temperature detector (17) detects the current indoor temperature. When the processor (13) detects that the difference between a target temperature and the current indoor temperature is greater than a first pre-set value, the storage battery (12) provides power to the compressor (15). When the processor (13) detects that the difference between the target temperature and the current indoor temperature is not greater than a second pre-set value, the solar panel (10) provides power to the compressor (15), the first pre-set value being greater than the second pre-set value. The frequency-variable solar air conditioner provides stable power when the frequency-variable air conditioner works with a large power.

Description

一种变频太阳能空调Frequency conversion solar air conditioner 技术领域Technical field
本发明涉及太阳能空调技术领域，尤其涉及一种变频太阳能空调。The invention relates to the technical field of solar air conditioners, and in particular to a variable frequency solar air conditioner.
背景技术Background technique
传统的空调***较多采用交流市电供电。随着太阳能的广泛应用，越来越多的空调通过太阳能电池板供电。空调***中耗电量最大的部分是压缩机，变频空调增加了用于调节压缩机速度的变频器，变频空调可以通过变频器调整压缩机的运转速度，依此减少耗电量。变频空调具有调温速度快的特点，因为变频空调一开机会以较大功率工作，从而使室温迅速上升或下降到设定温度，使得制冷(热)效果明显。变频空调在较大功率工作时，需要稳定的供电。然而，当前太阳能电池的输出功率会受到日照强度和环境的影响，影响其供电输出的稳定性。而且，当前部分太阳能空调仅在太阳能供电不足时为其提供市电电源，并未考虑到变频空调大功率工作时稳定供电的问题。Traditional air conditioning systems are mostly powered by AC mains. With the widespread use of solar energy, more and more air conditioners are powered by solar panels. The most power-consuming part of the air-conditioning system is the compressor. The inverter air conditioner adds a frequency converter for adjusting the speed of the compressor. The inverter air conditioner can adjust the running speed of the compressor through the frequency converter, thereby reducing the power consumption. The inverter air conditioner has the characteristics of high temperature regulation speed, because the inverter air conditioner works at a relatively high power, so that the room temperature rapidly rises or falls to the set temperature, so that the cooling (heat) effect is obvious. Inverter air conditioners require stable power supply when operating at higher power. However, the current output power of solar cells is affected by the intensity of sunlight and the environment, affecting the stability of its power output. Moreover, the current part of the solar air conditioner only provides the mains power supply when the solar power supply is insufficient, and does not consider the problem of stable power supply when the inverter air conditioner is working at high power.
发明内容Summary of the invention
本发明提供一种变频太阳能空调，能够为变频空调大功率工作时提供稳定供电。The invention provides a variable frequency solar air conditioner, which can provide stable power supply for high frequency operation of the inverter air conditioner.
为了解决上述方法，本发明提供一种变频太阳能空调，包括供电***及空调主机***，太阳能供电***包括太阳能电池板、蓄电池及控制器，控制器连接太阳能电池板、蓄电池及市电电源，控制器控制太阳能电池板或市电电源为蓄电池充电，空调主机***包括处理器、变频器、压缩机、冷凝器及温度检测器，处理器连接变频器、温度检测器及太阳能供电***的控制器，压缩机连接变频器、冷凝器及控制器，温度检测器实时地将检测到的当前室内温度值传送至处理器，当处理器检测到目标温度值与当前室内温度值的差距大于第一预设值时，处理器通知控制器控制由蓄电池为压缩机供电，当处理器检测到目标温度值与当前室内温度值的差距不大于第二预设值时，处理器通知控制器控制由太阳能电池板为压缩 机供电，其中，第一预设值大于第二预设值。此外，第一预设值为8度，第二预设值为3度。In order to solve the above method, the present invention provides a variable frequency solar air conditioner, including a power supply system and an air conditioner host system, the solar power supply system includes a solar panel, a battery and a controller, and the controller is connected to the solar panel, the battery and the mains power, and the controller Control the solar panel or the mains power supply to charge the battery. The air conditioning host system includes a processor, a frequency converter, a compressor, a condenser and a temperature detector. The processor is connected to the inverter, the temperature detector and the controller of the solar power supply system, and is compressed. The machine is connected to the frequency converter, the condenser and the controller, and the temperature detector transmits the detected current indoor temperature value to the processor in real time, and when the processor detects that the difference between the target temperature value and the current indoor temperature value is greater than the first preset value When the processor notifies the controller to control the battery to supply power to the compressor, when the processor detects that the difference between the target temperature value and the current indoor temperature value is not greater than a second preset value, the processor notifies the controller to control by the solar panel Compression The machine is powered, wherein the first preset value is greater than the second preset value. In addition, the first preset value is 8 degrees, and the second preset value is 3 degrees.
本发明提供的变频太阳能空调，通过温度检测器对当前室内温度检测，并由处理器判断当前室内温度值与目标温度值的差距所在范围，根据温差范围调整压缩机的供电方式。The variable frequency solar air conditioner provided by the invention detects the current indoor temperature through a temperature detector, and the processor determines the range of the difference between the current indoor temperature value and the target temperature value, and adjusts the power supply mode of the compressor according to the temperature difference range.
附图说明DRAWINGS
下面结合附图和具体实施方式对本发明作进一步详细的说明。The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
图1所示为本发明较佳实施例提供的变频太阳能空调的连接框图。FIG. 1 is a block diagram showing the connection of a variable frequency solar air conditioner according to a preferred embodiment of the present invention.
具体实施方式detailed description
如图1所示，本发明较佳实施例提供的变频太阳能空调包括供电***及空调主机***。其中，太阳能供电***包括太阳能电池板10、蓄电池12及控制器11，控制器11连接太阳能电池板10、蓄电池12及市电电源，控制器11用于控制蓄电池12的充电方式，例如由太阳能电池板10或市电电源为蓄电池12充电。于此，具体而言，当太阳能电池板10的电量有富余时，由太阳能电池板10为蓄电池12充电，当太阳能电池板10不为蓄电池12充电时，由市电电源为蓄电池12充电。As shown in FIG. 1, the variable frequency solar air conditioner provided by the preferred embodiment of the present invention includes a power supply system and an air conditioner host system. The solar power supply system includes a solar panel 10, a battery 12 and a controller 11, the controller 11 is connected to the solar panel 10, the battery 12 and the mains power, and the controller 11 is used to control the charging mode of the battery 12, for example, by a solar battery. The board 10 or mains power source charges the battery 12. Here, specifically, when the amount of power of the solar panel 10 is sufficient, the solar battery panel 10 charges the battery 12, and when the solar panel 10 does not charge the battery 12, the battery 12 is charged by the commercial power source.
空调主机***包括处理器13、变频器14、压缩机15、冷凝器16及温度检测器17。处理器13连接变频器14、温度检测器17及太阳能供电***的控制器11，压缩机15连接变频器14、冷凝器16及太阳能供电***的控制器11。于此，温度检测器17检测当前室内温度值，并将检测得到的当前室内温度值传送至处理器13。当处理器13检测到目标温度值(即，用户设定的温度值)与当前室内温度值的差距大于第一预设值时，处理器13通知控制器11控制由太阳能供电***的蓄电池12为压缩机15供电；当处理器13检测到目标温度值与当前室内温度值的差距不大于第二预设值时，处理器13通知控制器11控制由太阳能电池板10为压缩机15供电，此时，太阳能电池板10不再为蓄电池12充电。其中，第一预设值大于第二预设值。举例而言，第一预设值例如为8度，第二预设值例如 为3度。The air conditioning host system includes a processor 13, a frequency converter 14, a compressor 15, a condenser 16, and a temperature detector 17. The processor 13 is connected to the inverter 14, the temperature detector 17, and the controller 11 of the solar power supply system. The compressor 15 is connected to the inverter 14, the condenser 16, and the controller 11 of the solar power supply system. Here, the temperature detector 17 detects the current indoor temperature value and transmits the detected current indoor temperature value to the processor 13. When the processor 13 detects that the difference between the target temperature value (ie, the user-set temperature value) and the current indoor temperature value is greater than the first preset value, the processor 13 notifies the controller 11 to control the battery 12 of the solar power supply system. The compressor 15 supplies power; when the processor 13 detects that the difference between the target temperature value and the current indoor temperature value is not greater than the second preset value, the processor 13 notifies the controller 11 to control the power supply of the compressor 15 by the solar panel 10, At this time, the solar panel 10 is no longer charging the battery 12. The first preset value is greater than the second preset value. For example, the first preset value is, for example, 8 degrees, and the second preset value is, for example, It is 3 degrees.
本发明通过当前室内温度值与目标温度值差距的判断，确定压缩机当前工作功率，从而为处于较大功率工作状态的压缩机提供相对稳定的供电输出。The invention determines the current working power of the compressor by judging the difference between the current indoor temperature value and the target temperature value, thereby providing a relatively stable power supply output for the compressor in a relatively high power working state.
上述实施例不以任何方式限制本发明，凡是采用等同替换或等效变换的方式获得的技术方案均落在本发明的保护范围内。 The above embodiments are not intended to limit the invention in any way, and all the technical solutions obtained by means of equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims (2)

  1. 一种变频太阳能空调，其特征在于，包括供电***及空调主机***，太阳能供电***包括太阳能电池板、蓄电池及控制器，控制器连接太阳能电池板、蓄电池及市电电源，控制器控制太阳能电池板或市电电源为蓄电池充电，空调主机***包括处理器、变频器、压缩机、冷凝器及温度检测器，处理器连接变频器、温度检测器及太阳能供电***的控制器，压缩机连接变频器、冷凝器及控制器，温度检测器实时地将检测到的当前室内温度值传送至处理器，当处理器检测到目标温度值与当前室内温度值的差距大于第一预设值时，处理器通知控制器控制由蓄电池为压缩机供电，当处理器检测到目标温度值与当前室内温度值的差距不大于第二预设值时，处理器通知控制器控制由太阳能电池板为压缩机供电，其中，第一预设值大于第二预设值。A variable frequency solar air conditioner, comprising: a power supply system and an air conditioning host system, the solar power supply system comprises a solar panel, a battery and a controller, the controller is connected to the solar panel, the battery and the mains power, and the controller controls the solar panel Or the mains power supply is used to charge the battery. The air conditioning host system includes a processor, a frequency converter, a compressor, a condenser and a temperature detector. The processor is connected to the inverter, the temperature detector and the controller of the solar power supply system, and the compressor is connected to the frequency converter. The condenser and the controller, the temperature detector transmits the detected current indoor temperature value to the processor in real time, and when the processor detects that the difference between the target temperature value and the current indoor temperature value is greater than the first preset value, the processor The notification controller controls the battery to supply power to the compressor. When the processor detects that the difference between the target temperature value and the current indoor temperature value is not greater than a second preset value, the processor notifies the controller to control the solar panel to supply power to the compressor. The first preset value is greater than the second preset value.
  2. 根据权利要求1所述的变频太阳能空调，其特征在于，所述第一预设值为8度，所述第二预设值为3度。 The variable frequency solar air conditioner according to claim 1, wherein the first preset value is 8 degrees and the second preset value is 3 degrees.
PCT/CN2014/094158 2014-11-10 2014-12-18 Frequency-variable solar air conditioner WO2016074315A1 (en)

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CN201410628644.5A CN104374023A (en) 2014-11-10 2014-11-10 Frequency conversion solar air conditioner
CN201410628644.5 2014-11-10

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CN104949364A (en) * 2015-06-19 2015-09-30 郑州轻工业学院 Machine room air conditioner
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