WO2016101642A1 - Système de climatisation - Google Patents

Système de climatisation Download PDF

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Publication number
WO2016101642A1
WO2016101642A1 PCT/CN2015/087841 CN2015087841W WO2016101642A1 WO 2016101642 A1 WO2016101642 A1 WO 2016101642A1 CN 2015087841 W CN2015087841 W CN 2015087841W WO 2016101642 A1 WO2016101642 A1 WO 2016101642A1
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WO
WIPO (PCT)
Prior art keywords
air conditioning
conditioning system
fan
compressor
converter
Prior art date
Application number
PCT/CN2015/087841
Other languages
English (en)
Chinese (zh)
Inventor
赵志刚
张雪芬
任鹏
陈颖
蒋世用
刘克勤
Original Assignee
珠海格力电器股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 珠海格力电器股份有限公司 filed Critical 珠海格力电器股份有限公司
Publication of WO2016101642A1 publication Critical patent/WO2016101642A1/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
    • 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
    • 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
    • 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
    • F24F5/0096—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 combined with domestic apparatus
    • 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
    • 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 present application relates to the field of air conditioning, and in particular to an air conditioning system.
  • the present invention aims to provide an air conditioning system that can be more energy efficient.
  • the present invention provides an air conditioning system comprising at least one fan and at least one compressor, the air conditioning system further comprising a DC bus, and at least one fan converter and at least one connected in one-to-one correspondence with the at least one fan At least one compressor converter connected to the compressor one at a time, at least one fan converter and at least one compressor converter are connected to the DC bus; wherein at least one fan converter has a drive The inverter's inverter state and the rectification state of the recovered fan's power generation.
  • the air conditioning system of the present invention by providing a fan converter corresponding to the fan, when the air conditioning system is working, the fan converter operates in an inverting state, and the fan is driven to dissipate heat to the air conditioning system.
  • the fan When the air conditioning system is stopped, the fan is In the case of wind driven power generation, the fan converter operates in a rectified state to recover electrical energy. That is, when the air conditioning system is not working, the fan becomes a generator, which makes the air conditioning system more energy efficient.
  • FIG. 1 is a schematic view showing the principle of a first embodiment of an air conditioning system according to the present application
  • FIG. 2 is a schematic diagram showing the principle of a second embodiment of an air conditioning system according to the present application.
  • FIG. 3 is a schematic diagram showing the principle of a third embodiment of an air conditioning system according to the present application.
  • FIG. 4 is a schematic diagram showing the principle of a fourth embodiment of an air conditioning system according to the present application.
  • Figure 5 is a schematic diagram showing the principle of a fifth embodiment of the air conditioning system according to the present application.
  • Figure 6 is a schematic view showing the principle of a sixth embodiment of the air conditioning system according to the present application.
  • a first embodiment of an air conditioning system includes a fan 10 and a compressor 20.
  • the air conditioning system further includes a DC bus, and a fan converter 30 correspondingly connected to the fan 10.
  • a compressor inverter 40 correspondingly connected to the compressor 20
  • the fan converter 30 and the compressor inverter 40 are connected to the DC bus
  • the compressor inverter 40 drives the compressor to convert the air conditioner system.
  • the frequency conversion runs.
  • the fan converter 30 has an inverter state for driving the fan 10 and a rectification state for recovering the power generated by the fan 10. That is, when the air conditioning system is in operation, the fan inverter 30 operates in an inverting state, and the fan 10 is driven to dissipate heat to the air conditioning system.
  • the fan inverter 30 When the air conditioning system is stopped, in the case where the fan 10 is driven by the wind to generate electricity, the fan inverter 30 operates. Rectified state to recover electrical energy. That is, when the air conditioning system is not working, the fan becomes a generator, which makes the air conditioning system more energy efficient.
  • the air conditioning system further includes a grid-connected inverter 50, and the first end of the grid-connected inverter 50 is connected to the grid 60, and the grid-connected inverter 50 is The two ends are connected to both the compressor inverter 40 and the fan converter 30. That is, the electric energy generated by the fan 10 can be transmitted to the power grid through the grid-connected inverter 50.
  • the air conditioning system further includes an isolation transformer 70, which is connected in series between the power grid 60 and the grid-connected inverter 50, and the series isolation transformer 70 can improve the air conditioning system. Safety can also prevent interference.
  • Grid-connected inverter 50 is four
  • the quadrant converter, the fan inverter 30 and the compressor inverter 40 may employ a four-quadrant inverter or a conventional inverter.
  • the air conditioning system of the first embodiment may further include a hybrid energy source 80 that is coupled to the DC bus.
  • a hybrid energy source 80 that is coupled to the DC bus.
  • an inverter corresponding to the hybrid energy source 80 can be provided, ie the hybrid energy source 80 is connected to the DC bus via a corresponding converter.
  • Hybrid energy 80 includes, but is not limited to, at least two combinations of clean energy such as photovoltaic, photothermal, wind, tidal, geothermal, and biomass energy.
  • the use of two or more energy sources simultaneously can eliminate the single energy caused by the use environment. Limitations, thereby increasing the likelihood of energy self-sufficiency in air conditioning system applications. That is to say, two or more new energy sources are connected in the DC bus, and the energy of the air conditioning system is ensured to be self-sufficient and not available from the commercial power.
  • the air conditioning system of the first embodiment may further include an energy storage unit 90, and the energy storage unit 90 is connected to the DC bus through a corresponding inverter, thereby recovering energy and supplying power, and setting the storage.
  • the energy unit 90 can classify and recover the electrical energy generated by the fan 10 to generate electricity.
  • the air conditioning system may include at least one fan (10) and at least one compressor (20) and a DC bus, in the air conditioning system, at least one fan (10)
  • Each fan (10) is connected to a fan converter (30)
  • each compressor (20) of at least one compressor (20) is connected to a compressor converter (40), wherein, at least A fan converter (30) has an inverter state for driving the fan (10) and a rectification state for recovering the power generated by the fan (10), and the at least one fan converter (30) and at least one compressor are commutated.
  • the devices (40) are all connected to the DC bus.
  • control for the hybrid energy source 80 is as follows:
  • the air conditioner can be powered only by the hybrid energy source.
  • the energy of the hybrid energy source 80 is greater than the air conditioning load demand, it can be controlled as follows:
  • the excess energy of the hybrid energy source 80 first charges the energy storage unit 90, and then the grid is connected to generate electricity when there is still a surplus;
  • the system includes an energy storage unit 90, and the energy storage unit 90 can also operate according to the set control logic associated with the power grid 60.
  • the system includes the energy storage unit 90, and the charge of the energy storage unit 90 is rich, it is first supplemented by the energy storage unit 90; if the air conditioning demand is still not met, it is supplemented by the commercial power;
  • the energy storage unit 90 can also operate according to the set control logic associated with the power grid.
  • the energy of the hybrid energy source 80 is all connected to the grid for power generation, and the power generated by the fan 10 is recovered according to the following conditions:
  • the power generated by the fan 10 is connected to the grid through a certain boosting measure or PAWM interlaced modulation.
  • the fan 10 When the energy storage unit 90 is included, the fan 10 generates electric energy for classification and recovery:
  • the grid-connected inverter 50 and the isolating transformer 70 are connected to the grid for use by other loads in the network;
  • the energy storage unit when the power grid runs at a peak or needs support, and the energy storage unit has more than 90 power, it can respond according to the power grid dispatching, perform peak-peak peak-shaving operation, and provide certain guarantee for grid security.
  • the recovery problem of the small electric power generated by the air conditioner system fan 10 can be effectively solved, and the diversity of the power supply of the air conditioning system is taken into consideration, so that the air conditioning system is self-sufficient as much as possible, and the power is not taken from the commercial power; the integration of the energy storage unit 90, It can effectively improve the power generation recovery rate and direct utilization rate of the wind turbine 10, and at the same time provide a certain positive effect on the power grid.
  • the retracting machine 20 adopts a mode similar to that of the first embodiment, correspondingly, the fan converter 30, the grid-connected inverter 50, the hybrid energy source 80, the energy storage unit 90, and the like, first adopts the hybrid energy source 80, and recovers the air-conditioning system.
  • the wind turbine 10 When not working, the wind turbine 10 generates electricity, so that the air conditioning system is as self-sufficient as possible and does not consume utility power.
  • the dual-fan air-conditioning system (two fans 10 and one compressor 20) also adopts a mode similar to that of the first embodiment, correspondingly setting the fan converter 30, and switching the grid.
  • the device 50, the hybrid energy source 80, the energy storage unit 90 and the like first adopt the hybrid energy source 80, and recover the electric energy generated by the fan 10 when the air conditioning system is not working, so that the air conditioning system is self-sufficient as much as possible, and does not consume the commercial power.
  • a multi-air air conditioning system of the fourth embodiment shown in FIG. 4 or the multi-fan air conditioning system of the fifth embodiment shown in FIG. 5, and the sixth embodiment shown in FIG. A method similar to that of the first embodiment can be adopted in the air conditioning system of the fan, so that the air conditioning system is self-sufficient as much as possible without consuming mains.
  • the air conditioning system of the present application by setting a fan converter corresponding to the fan, when the air conditioning system is working, the fan converter operates in an inverting state, and the fan is driven to dissipate heat to the air conditioning system.
  • the fan When the air conditioning system is stopped, the fan is In the case of wind driven power generation, the fan converter operates in a rectified state to recover electrical energy. That is, when the air conditioning system is not working, the fan becomes a generator, which makes the air conditioning system more energy efficient.

Abstract

L'invention concerne un système de climatisation qui comprend : au moins un ventilateur (10), au moins un compresseur (20), un bus à courant continu, au moins un convertisseur (30) de ventilateur correspondant et relié respectivement audit ou auxdits ventilateurs (10), et au moins un convertisseur (40) de compresseur correspondant et relié respectivement audit ou auxdits compresseurs (20), à la fois ledit ou lesdits convertisseurs (30) de ventilateur et ledit ou lesdits convertisseurs (40) de compresseur étant reliés au bus à courant continu ; au moins un convertisseur (30) de ventilateur a un état inversé pour entraîner le ventilateur (10) et un état de rectification pour récupérer l'énergie électrique générée par le ventilateur (10). Lorsque le système de climatisation fonctionne, le convertisseur (30) de ventilateur fonctionne dans l'état inversé, le ventilateur (10) d'entraînement réalise une dissipation de chaleur sur le système de climatisation ; lorsque le système de climatisation s'arrête, si le ventilateur (10) est entraîné par l'air pour générer de l'électricité, le convertisseur (30) de ventilateur fonctionne dans l'état de rectification, ce qui permet la récupération de l'énergie électrique.
PCT/CN2015/087841 2014-12-26 2015-08-21 Système de climatisation WO2016101642A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410833677.3 2014-12-26
CN201410833677.3A CN104566718A (zh) 2014-12-26 2014-12-26 空调系统

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WO2016101642A1 true WO2016101642A1 (fr) 2016-06-30

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WO (1) WO2016101642A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114825410A (zh) * 2022-06-29 2022-07-29 西安热工研究院有限公司 一种火电厂用中压直流储能系统

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CN104676832A (zh) * 2014-12-26 2015-06-03 珠海格力电器股份有限公司 空调系统
CN104566718A (zh) * 2014-12-26 2015-04-29 珠海格力电器股份有限公司 空调系统
CN104596002A (zh) * 2014-12-26 2015-05-06 珠海格力电器股份有限公司 空调系统

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JP2000320866A (ja) * 1999-05-13 2000-11-24 Mitsubishi Heavy Ind Ltd 空気調和機
JP2002340452A (ja) * 2001-05-16 2002-11-27 Hitachi Ltd 空気調和装置
JP2003274694A (ja) * 2002-03-14 2003-09-26 Mitsubishi Electric Corp 制御装置及び冷凍空調装置
CN101380905A (zh) * 2008-10-23 2009-03-11 余洪山 基于风能燃油混合动力的车载发电系统及其控制方法
CN201731565U (zh) * 2009-04-08 2011-02-02 王正铉 一种利用空调室外机排出风风能发电的新型节能空调机
JP2011099597A (ja) * 2009-11-05 2011-05-19 Hitachi Appliances Inc 空気調和機
JP2011196584A (ja) * 2010-03-18 2011-10-06 Fujitsu General Ltd 空気調和機
CN102390272A (zh) * 2011-09-30 2012-03-28 广东工业大学 一种电动汽车电机驱动与能量回馈双向电源
CN103743069A (zh) * 2014-01-20 2014-04-23 广东美的制冷设备有限公司 一种新能源变频空调及其控制方法
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CN104596002A (zh) * 2014-12-26 2015-05-06 珠海格力电器股份有限公司 空调系统
CN104676832A (zh) * 2014-12-26 2015-06-03 珠海格力电器股份有限公司 空调系统
CN204555126U (zh) * 2014-12-26 2015-08-12 珠海格力电器股份有限公司 空调系统
CN204555124U (zh) * 2014-12-26 2015-08-12 珠海格力电器股份有限公司 空调系统
CN204555125U (zh) * 2014-12-26 2015-08-12 珠海格力电器股份有限公司 空调系统

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114825410A (zh) * 2022-06-29 2022-07-29 西安热工研究院有限公司 一种火电厂用中压直流储能系统

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