• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Solar air-conditioning installation, comprising a photovoltaic production unit, a thermal energy storage unit, a refrigeration unit comprising a compressor, the refrigeration unit and the thermal energy accumulator being placed in series, characterized in that it comprises means for controlling the electrical power absorbed as a function of the electrical power from the photovoltaic production unit.
    公开号:FR3013810A1
    申请号:FR1361700
    申请日:2013-11-27
    公开日:2015-05-29
    发明作者:Francois Roulet；Philippe Baudry
    申请人:ARTESOL；
    IPC主号:
    专利说明:

    [0001] The invention relates to solar air conditioning, particularly but not exclusively for tertiary buildings.
    [0002] For the year 2011, housing and commercial buildings account for 44% of the final French energy consumption, the energy consumption of buildings having increased by 30% over the last thirty years due to the increase in the number of buildings and buildings. the increase in the average surface area of dwellings, the increase in comfort and the emergence of new needs. Total energy consumption for the tertiary sector in France was around 210 TWh in 2011, with air conditioning representing a consumption of around 10 TWh per year. The energy consumption of a building is an important factor when disposing of assets or when assessing property assets, especially for the tertiary sector. The French State undertook, within the framework of the Grenelle I and II laws, to reduce by 38% the energy consumption in existing buildings between 2006 and 2020, by the implementation of the 2012 Thermal Regulation (RT). 2012), a value of 50kVVhep / (m2.an) serving as a reference for new buildings low consumption (BBC), tertiary sector or residential. From 2020, positive energy buildings (Bepos) should be the norm. The EU's climate energy package also plans to increase the share of renewable energies in the EU's total energy consumption to 20%. The attractiveness and value of a new building will be measured by the quality of the technical solutions implemented to meet these energy performance requirements. Efforts to reduce energy consumption relate to the improvement of the building, especially for the reduction of winter needs, the recommended solutions increasing the impermeability and insulation of buildings. In parallel, the evolution of architecture has favored the construction of weakly inert buildings, more open to the outside with large windows. Passive solar gains are thus improved, thus reducing heating consumption. A023 B001 EN - TQD The combination of high insulation, low inertia and large openings on the sunniest orientations lead to summer overheating and the use of air conditioning has therefore increased. According to the European Commission (Energy Efficiency and Certification of Central Air Conditioners, DGTREN), the air-conditioned area in Europe has increased by 500% (including simple replacements) between the 1980s and 2000. Various techniques of use of the Solar energy for cold production and air conditioning have appeared recently. These techniques can be classified into two broad categories: thermal systems and electrical systems. Thermal systems are of two types: thermomechanical systems on the one hand, heat exchange systems on the other hand.
    [0003] In thermomechanical systems, solar energy is used as a heat source by means of solar thermal collectors, in a machine producing mechanical work, which is in turn used to produce cold. Several variants of this general principle have been proposed. In a first variant, the heat recovered by the solar thermal collectors sets in motion a fluid which itself drives a turbine producing electricity, this electricity can be used in a conventional compression cycle (Rankine cycle / vapor compression) . In a second variant, the heat recovered by the solar thermal collectors is used to produce a jet of steam at a very high speed, this jet causing in its entourage a strong vacuum which makes it possible to vaporize water at low temperature in the evaporator and to cool the atmosphere, the steam thus created being cooled in a condenser (steam jet cycle).
    [0004] In thermal heat exchange systems, absorption, adsorption, or chemical reaction causes heat transfer. The systems are closed cycle (physical adsorption with a couple such as zeolite / water, silica gel / water, activated carbon / methanol, chemical adsorption, liquid absorption with a couple such as water / lithium bromide), or open cycle (with solid desiccation by sorption using silica gel, zeolite, lithium chloride, with liquid desiccation, an absorbing solution A023 B001 FR - TQD such as water / lithium chloride, water / calcium chloride providing cooling of the air blown). In a liquid absorption installation, a thermochemical compressor (desorber / absorber) uses a refrigerant / liquid absorbing (saline) and a source of motive heat. The saline solution with low concentration of absorbent is heated in the desorber (or generator) thanks to the motive heat, and releases water in gaseous form, which will condense in the condenser. The saline solution is thus concentrated. The refrigerant vaporizes in the evaporator and is absorbed by the concentrated solution in the absorber. In a solid adsorption plant, the gas is fixed on a highly porous material (silica gels, zeolites). Two masses of adsorbent materials are alternately heated by the hot source to desorb the water vapor which will then condense in the condenser. Then the water is evaporated in the evaporator where the cold is then produced. This water vapor is then adsorbed on the adsorbent material and the cycle starts again. In an open cycle installation (desiccant cooling) the air conditioning of the room is done through an air system based on an air handling unit (ATC), the open cycle relying mainly on the use of water and its phase change potential for cooling the air blown into a room. To maximize the effect of the latent heat of vaporization of the water, the ventilated air flow is first dried in a drying wheel or in a bed in which a desiccant solution is sprayed and then cooled in a heat exchanger. , and finally adiabatically moistened in an air washer. Solar electric cooling systems are based on the use of electricity, with solar energy converted into electricity. Electrical systems are of two major types; photovoltaic systems (PV) compression on the one hand, Peltier effect system on the other hand. In compression PV systems, a conventional compression cycle is used to produce cold. In Peltier systems, heat is obtained in the presence of an electric current flowing through two conducting materials of different natures in contact.
    [0005] The implementation of a photovoltaic solar air conditioning seems a priori natural in view of the global market of A023 B001 FR - TQD photovoltaic panels and the concordance between need of air conditioning and sunshine. The photovoltaic market is indeed growing strongly with a significant reduction in the selling price of the sensors. According to the 2012 report of the International Photovoltaic Power Systems Program (IEA), installed photovoltaic power increased from less than 10 GW in 2007 to nearly 100 GW in 2012, of which around 32 GW for Germany, 70 % of photovoltaic installations in the world are on the roof of buildings. According to the 2012 report of the Observatory of Renewable Energy (Observ'ER), the cumulative power of the park of photovoltaic solar power plants in the European Union is 51GW, France being the fourth EU state in terms of cumulative and connected power. According to the 2013 report of the Commissariat général au développement durable, solar photovoltaic energy accounted for 0.17 million toe in France (compared with 0.01 in 2009). The implementation of solar photovoltaic air conditioning however faces many disadvantages. The devices of the state of the art do not make it possible to regulate the natural intermittence, with little or no possible use of solar energy at night, in the early morning or late afternoon, or in case mostly cloudy but hot. Electricity storage is expensive and electricity purchase prices can give the advantage of reintroducing electricity into the grid rather than using it in situ. The power demanded by a compressor requires a large area of sensors, the specific power being about 100 to 130W / m2. The great diversity of the technical solutions proposed illustrates the great difficulties of setting up solar air conditioning. Solar photovoltaic air conditioning devices presented in the state of the art are also, for the most part, remained in the design stage without concrete implementation, possibly small-scale prototypes.
    [0006] The invention aims to propose a solar air conditioning installation that does not have the drawbacks of those previously proposed and that allows the use of solar energy even when A023 B001 FR - TQD the cooling requirements and the heating requirements are reduced, typically in the off-season. a temperate climate. Another object is to propose a solar air-conditioning installation allowing to reduce the primary energy consumption as well as the emissions of 002. Another object is to propose a system of solar air-conditioning allowing to relieve an electrical network when the sunshine and the Air conditioning needs are high. Another object is to provide a solar air-conditioning installation 10 allowing self-consumption, from solar electricity, able to accommodate the variability of the power supply due to the variability of the sunshine. Another object is to provide a solar air conditioning installation suitable for buildings of the tertiary sector or warehouses, with 15 refrigerating powers of a few hundred watts to a few tens of megawatts. For these purposes, the invention relates, according to a first aspect, to a solar air-conditioning installation, comprising a photovoltaic production unit, a thermal energy accumulator, a refrigeration unit comprising a compressor, the refrigerating unit and the storage accumulator. thermal energy being placed in series, the installation comprising means for controlling the electrical power absorbed as a function of the electrical power from the photovoltaic production unit. According to various embodiments, the installation has the following characters, where appropriate combined: the thermal energy accumulator comprises an ice accumulator; the cooling unit comprises a screw compressor or a spiro-orbital compressor, a turbine compressor or two compression chambers (twin rotary); the compressor is spiro orbital with rotation speed regulation; the installation comprises two refrigerating units operating in parallel, a heat transfer fluid connecting the evaporators; A023 B001 EN - TQD - the refrigeration unit control means comprise an industrial programmable controller integrating the compressor power control; - The refrigeration unit is powered by a general power grid and by the photovoltaic production unit, the programmable logic controller managing the power supply of the refrigeration unit from either the photovoltaic production unit or the general electricity grid. either of the two sources simultaneously; the industrial programmable logic controller controls the thermal energy accumulator, for the storage of energy as well as for the destocking of energy; the installation comprises means for recovering heat from the ambient air, the heat recovery means comprise a superheater or a heat pump. According to another aspect, the invention relates to a control method of a solar air conditioning installation as presented above, this method comprising the following steps: - distinction between daytime period and night period; - measurement of the electric power supplied by the photovoltaic production unit; - comparison between a threshold electric power value and the value of the electric power supplied by the photovoltaic production unit; when the value of the electric power supplied by the photovoltaic production unit exceeds the threshold value, comparison between the available cold stock and a predetermined threshold value; when the available cold storage value is below the threshold value, control of the refrigeration unit with an absorbed electric power equal to the electrical power supplied by the photovoltaic production unit. According to another aspect, the invention relates to the control of an installation as presented above, the method comprising the following steps: - determination of the stock of cold available in the heat accumulator; A023 B001 EN - TQD - comparison between the available cold stock and a threshold value; when the available cold storage value is below the threshold value, determining a production forecast of the photovoltaic unit as a function of the meteorological data; - when the production forecast is lower than a threshold value, control of the power of the refrigeration unit at an absorbed power equal to its nominal power. According to various implementations, the process has the following characteristics, if necessary combined: the control of the refrigeration unit with an absorbed electrical power equal to the electrical power supplied by the photovoltaic production unit is ensured for a predetermined time delay ; the control of the power of the refrigerating unit at an absorbed power equal to its nominal power is maintained as long as the available cold stock has not exceeded a predetermined threshold value; the method comprises a prior step of distinguishing a working day and non-working day operation. Other objects and advantages of the invention will become apparent in the light of the description of embodiments, given below with reference to the accompanying drawings in which: Figure 1 is a diagram showing a photovoltaic solar air conditioning device; Figure 2 is a diagram showing a method of regulating a photovoltaic solar air conditioning device. Referring firstly to Figure 1 which schematically shows a solar air conditioning system.
    [0007] In the following of this flow diagram description, the two-way valves, filters, motors shown are known in themselves to those skilled in the art and will not be described in detail. The solar photovoltaic air conditioning device 1 comprises a solar power unit 2 connected to an inverter 3 connected to a general low voltage switchgear 4 (TGBT). The alternating current from the external network 5 or the unit 2 supplies a compressor 6 of a refrigerating unit, this group A023 B001 FR-TQD comprising an evaporator 7 and a condenser 8. A solenoid valve and a pressure regulator are placed between the evaporator 7 and the condenser 8. The unit 2 of solar electrical production is sized to provide a minimum power taking into account the thermal load of a building. Photovoltaic panels are advantageously placed on the roof of the building to be air-conditioned and / or in front of this building. Alternatively, the PV panels can be placed on the ground or on another building.
    [0008] Following various embodiments, the photovoltaic panels are of the monocrystalline silicon, polycrystalline silicon or amorphous silicon type. The polycrystalline silicon may be of the coarse-mc-Si type, advantageously with low metallic impurities.
    [0009] In other embodiments, the PV panels comprise thin-layer cells based on copper di-selenide and CuInSe2 indium or else indium gallium selenium copper CIGS cells, CdTe cadmium telluride cells. In one embodiment, the compressor 6 is a volumetric screw compressor, for example of the type comprising a male rotor and a female rotor rotating toward each other while the volume between them and the compression housing decreases. In another embodiment, the compressor 6 is spiro-orbital type (scroll) with rotational speed regulation (inverter), to achieve high yields and low noise levels. The compressor starts at a low speed, unlike on / off type operation, the current peak required for starting is thus greatly reduced. The power regulation of the compressor 6 is advantageously in stages, two refrigerating units operating in parallel, a heat transfer fluid connecting the evaporators. This fail-safe arrangement ensures maintenance of operation in case of failure of a group. The following table shows, by way of example, characteristics of compressors that can be used. A023 B001 EN - TQD Compressor type Screw Spiro-orbital screw with inverter Stepless Stepless Stepless Step Power regulation 76.2 kW 69.3 kW 50.0 kW Power consumption 32.4 kW 34.0 kW 32.4 kW Chilled water temperature -3 ° C / + 2 ° c -3 ° C / + 1 ° C -3 ° C / + 1 ° C Outside air temperature 35 ° C 35 ° C 35 ° C ip Evaporator 12.80 kPa 23.00 kPa 84.54 kPa Fan power 2.40 kW 2.40 kW - Max intensity at start-up 125 A 151 A 120.7 A Operating current 91 A 83 A 67.2 A Cos 1 0.87 0.94 - Refrigeration efficiency coefficient EER 2.23 2.04 1.6 ESEER * 3.83 2.92 3.64 Refrigerant R407C R134A R410A ODP ** 10- '<1.5 10-' < 2 10- 'GWP *** 1.70 1.32 1.89 Heat recovery unit desuperheater desuperheater PAC air / water * European Seasonal Energy Effiency Ratio "Ozone Depletion Potential, GWP Global Warning Potential, global warming potential" The device 1 comprises an accumulator 9 of ice, placed e n series downstream of the refrigeration unit. In one embodiment, the ice storage comprises a tank containing containers filled with a eutectic mixture of salts, the heat exchange being effected by circulation in the tank of a coolant fluid. In another embodiment, a stream of brine passes through exchangers placed in a tank containing water, serving as a storage agent. These exchangers are for example tubes arranged parallel to each other, or else wound in a spiral. Ice packs are known in themselves and marketed for example by the companies Fafco, Evapco, Vritherm, Consolar.
    [0010] The ice accumulator is placed in series and upstream of the HVAC circuits 10 for heating, ventilation and air conditioning. The HVAC terminals advantageously include high efficiency fan coil units. Advantageously, the fan convectors are A023 B001 FR - TQD equipped with a valve adapting the intake according to the occupation of the premises and the activity of the occupants, thanks to sensors of 002. It relates to the FIG. 2 which represents the regulation control 11 of the compressor 6. In an advantageous implementation, this control is provided by an industrial programmable logic controller (PLC) and controls the control of an inverter. Figure 2 illustrates a control command in an application to the air conditioning of a tertiary building. For this application, in a first step 12 the automaton differentiates a functioning in non-working days from operation in working days. In other applications for which continuous cooling is required, for example warehouses, data centers, this first step 12 is absent or neutralized. When the controller determines operation in working days, a second step 13 differentiates a daytime operation from a nighttime operation. By "daytime period" is meant a time slot including the hours of occupation of the building, for example from 6h to 21h. When the controller determines operation in the daytime, a third step 14 measures the available photovoltaic electric power and compares it to a threshold value for triggering the compressor 6 of the refrigeration unit. When the automaton determines that the available photovoltaic electric power is greater than the threshold value, a fourth step 15 measures the stock of available cold in the ice accumulator 9 and compares this stock with a high threshold, for example 90% of the maximum stock. If the available cold stock is below this high threshold, the controller controls in a step 16 the start of the compressor 6, with an absorbed power equal to the available electrical power. Advantageously, a timer 17 provides operation of the compressor 6 for a minimum period, this measurement preserving the life of the compressor 6 and the performance of the installation. The minimum operating time is for example ten minutes. If the stock of available cold is determined, in step 15, as higher than the high threshold, the power absorbed by the compressor A023 B001 FR - TQD 6 is set to zero in a step 18 and the controller allows the storage to drift. from cold to an intermediate threshold, for example 70% of the maximum stock, by a loop 19. When, in step 14, the controller determined that the available photovoltaic electric power was below a threshold allowing the start of the compressor 6, a step 20 determines whether the cold stock is below a low threshold, for example 20% of the maximum stock. If the cold store is below this low threshold, the possibility of short-term solar electricity generation is tested, in a step 21, for example by connecting to a weather information platform. If the short-term forecast, for example one hour, is unfavorable to a photovoltaic production, a delay 22 is fixed. If the short-term forecast is favorable, the controller controls in a step 23 the compressor at an absorbed power equal to the nominal power of the refrigeration unit, and maintains this command as long as the cold stock in the accumulator 9 remains below a threshold value, for example 40% of the maximum stock, by means of a loop 24. When, in step 13, the automaton has identified an operation during the night period, a comparison of the cold stock is carried out, in a step 25, with a reserve value, for example 40% of the maximum stock. If the cold stock is below this reserve value, the possibility of short-term solar power generation is tested, in a step 26, for example by connecting to a weather information platform. If the short-term forecast, for example one hour, is unfavorable to a photovoltaic production, the controller controls in a step 27 the compressor at an absorbed power equal to the nominal power of the refrigeration unit.
    [0011] The operation of the automaton is now described when, in step 12, operation in non-working days is determined, corresponding to a weekend. The automaton differentiates, in a step 28, an operation during the day or night period. If a daytime operation is identified, the controller determines, in a step 29, whether the available photovoltaic electric power is greater than a threshold value allowing the compressor 6 to start. When the power is greater than this value A023 B001 EN - TQD threshold, a comparison of the cold stock with a high threshold value is performed in a step 30, the upper threshold value being for example 90% of the maximum stock. If the cold storage is greater than this threshold value high, the compressor is commanded off in a step 31. If the cold store is below the high threshold, the controller controls the running of the compressor at an absorbed power equal to the available power, in a step 32. Advantageously, a timer 33 ensures operation of the compressor 6 for a minimum period, this measurement preserving the duration of view of the compressor 6 and the performance of the installation. The minimum operating time is for example ten minutes. When in step 28, the controller has determined a night time operation, a working day standby operation is determined, in a step 34. If the controller has identified a working day standby operation, the stock cold is compared in step 35 to a threshold value, for example 30% of the maximum stock. When the ice stock is below a threshold value, the possibility of short-term solar power generation is tested, in a step 36, for example by connecting to a weather information platform. If the short-term forecast, for example one hour, is unfavorable to a photovoltaic production, the controller controls in a step 37 the compressor at an absorbed power equal to the nominal power of the refrigeration unit.
    [0012] The operation of the refrigeration unit is dictated primarily by the electrical energy produced by the unit 2. As illustrated in FIG. 2, the installation 1 operates in a very flexible manner and in particular in four modes: - simultaneous operation of the refrigerating unit and the cooling unit; ice storage ice accumulator 9 for supplying the HVAC circuits 10; - Simultaneous operation of the refrigerating unit and the ice accumulator 9 ice destocking supply of the circuits CVC 10; operation of the refrigeration unit for ice storage in the ice accumulator 9, the HVAC circuits 10 being at a standstill; A023 B001 EN - TQD - operation of the ice accumulator 9 in destocking mode for supplying the HVAC circuits 10, the cooling unit being at a standstill. The automaton manages all the power supply parameters of the installation, primarily electricity from unit 2, the network current 5 ensuring a power supply of the installation 1. The PLC controls the production capacity of the refrigeration unit, and controls the engagement of the storage and retrieval phases of ice in the accumulator 9. The controller also ensures the installation of the system 1 after stop. Advantageously, the installation provides heat recovery, to combat the losses of the building and ensuring the treatment of fresh air during cold seasons.
    [0013] In some implementations, the installation comprises one or more superheaters, the hot network being independent of the chilled water network. In other embodiments, the installation comprises one or more air / water heat pumps.
    [0014] The invention has many advantages. It allows the use of electricity at the lowest price, the power of the refrigerating units being minimized. The PLC provides a control of the installation going beyond a start / stop operation of destocking type (refrigeration machine stopped during the day and operation in destocking of ice), clipping (cold injection from destocking ice when the refrigeration units are no longer able to cover all the needs), erasure (shutdown of the refrigeration units during peak hours when the price per kWh is high, the retrieval of ice then taking over). The refrigeration unit can be dimensioned so as to operate most often at its nominal power with a high efficiency. During the vacancy of the premises, the production of photovoltaic energy is valorized by ice storage.
    [0015] A023 B001 FR - TQD
    权利要求:
    Claims (15)
    [0001]
    REVENDICATIONS1. Solar air-conditioning installation, comprising a photovoltaic production unit (2), a thermal energy accumulator (9), a refrigeration unit comprising a compressor (6), the refrigeration unit and the thermal energy accumulator (9) being placed in series, characterized in that it comprises means for controlling the electrical power absorbed as a function of the electrical power from the photovoltaic production unit (2).
    [0002]
    2. Installation according to claim 1, characterized in that the accumulator (9) of thermal energy comprises an ice accumulator.
    [0003]
    3. Installation according to claim 1 or 2, characterized in that the refrigeration unit comprises a screw compressor or an orbital spiro compressor, a turbine compressor or two compression chambers.
    [0004]
    4. Installation according to claim 3, characterized in that the compressor is spiro orbital speed-controlled rotation.
    [0005]
    5. Installation according to any one of claims 1 to 4, characterized in that it comprises two refrigerating unit operating in parallel, a heat transfer fluid connecting the evaporators.
    [0006]
    6. Installation according to any one of claims 1 to 5, characterized in that the control means of the refrigerating unit 30 comprise an industrial programmable controller incorporating the power control of the compressor.
    [0007]
    7. Installation according to claim 6, characterized in that the refrigeration unit is supplied by a general power grid (5) and by the photovoltaic production unit (2), the industrial programmable logic controller managing the power supply of the refrigeration unit in A023 B001 EN - TQDprovenance either of the photovoltaic production unit (2) or of the general electricity grid (5), or of both sources simultaneously.
    [0008]
    8. Installation according to claim 6 or 7, characterized in that the industrial programmable controller controls the accumulator (9) of thermal energy, for the storage of energy as for the destocking of energy.
    [0009]
    9. Installation according to any one of claims 1 to 8, characterized in that it comprises means for recovering heat from the ambient air.
    [0010]
    10. Installation according to claim 9, characterized in that the heat recovery means comprise a superheater or a heat pump.
    [0011]
    11. A method of controlling a solar air conditioning installation as presented in any one of claims 1 to 10, characterized in that it comprises the following steps: - distinction (13, 28) between day and period period nocturnal; - measurement of the electric power supplied by the photovoltaic production unit; - comparison (14, 29) between a threshold electric power value and the value of the electric power supplied by the photovoltaic production unit; when the value of the electrical power supplied by the photovoltaic production unit (2) exceeds the threshold value, comparison (15, 30) between the available cold stock and a predetermined threshold value; - when the value of the available cold stock is below the threshold value, control (16, 32) of the refrigeration unit with an electrical power absorbed equal to the electrical power supplied by the photovoltaic production unit. 35
    [0012]
    12. Method according to claim 11, characterized in that the control (16, 32) of the refrigeration unit with an electrical power absorbed equal to the electrical power supplied by the unit A023 B001 FR - TQD photovoltaic production is provided for a period of time. predetermined delay (17, 33).
    [0013]
    13. The method of claim 11 or 12, characterized in that it comprises the following steps: - determination of the cold stock available in the heat accumulator; - comparison (20, 25, 35) between the available cold stock and a threshold value; when the available cold storage value is below the threshold value, determining (21, 26, 36) a production forecast of the photovoltaic unit as a function of the meteorological data; - when the production forecast is less than a threshold value, control (23, 27, 37) of the power of the refrigeration unit to an absorbed power equal to its nominal power.
    [0014]
    14. The method of claim 13, characterized in that the control (23) of the power of the refrigeration unit to an absorbed power equal to its nominal power is maintained as the available cold stock has not exceeded a predetermined threshold value .
    [0015]
    15. Method according to any one of claims 11 to 14, characterized in that it comprises a prior step of distinguishing a working day and non-working day. A023 B001 FR - TQD
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    同族专利:
    公开号 | 公开日
    EP3074698A1|2016-10-05|
    FR3013810B1|2015-12-11|
    EP3074698B1|2021-08-11|
    WO2015079165A1|2015-06-04|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
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    EP0748991A2|1995-06-13|1996-12-18|Sanyo Electric Co. Ltd|Air conditioner with solar generator|
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    FR2983283A1|2011-11-28|2013-05-31|Jf Cesbron|Installation for production of cooling effect in e.g. cold room, has control unit equipped with reception unit for reception of signals from sensor, where control unit controls compressor as function of signals received from sensor|
    FR2983282A1|2011-11-28|2013-05-31|Jf Cesbron|Refrigeration installation for cooling e.g. cold room, for preserving perishable goods i.e. milk, has light radiation sensor controlling operation of compressors of refrigerating units in accordance with light radiation|WO2018062981A3|2016-09-30|2018-05-24|Universite Internationale De Rabat|System and method for hybrid solar temperature control with energy storage|
    FR3063539A1|2017-03-03|2018-09-07|Electricite De France|REFRIGERATING INSTALLATION|
    US10707683B2|2016-09-29|2020-07-07|Tokitae Llc|Directing or modulating electrical power drawn by one or more loads from a solar photovoltaic module array while maintaining a buffer margin|
    CN106610068B|2016-12-05|2019-09-10|宁波大学|Solar airconditioning and phase-change accumulation energy integral system and its working method|
    法律状态:
    2015-10-23| PLFP| Fee payment|Year of fee payment: 3 |
    2016-11-04| PLFP| Fee payment|Year of fee payment: 4 |
    2017-11-22| PLFP| Fee payment|Year of fee payment: 5 |
    2019-11-15| PLFP| Fee payment|Year of fee payment: 7 |
    2020-11-09| PLFP| Fee payment|Year of fee payment: 8 |
    2021-11-17| PLFP| Fee payment|Year of fee payment: 9 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1361700A|FR3013810B1|2013-11-27|2013-11-27|METHOD AND DEVICE FOR SOLAR AIR CONDITIONING|FR1361700A| FR3013810B1|2013-11-27|2013-11-27|METHOD AND DEVICE FOR SOLAR AIR CONDITIONING|
    EP14814957.8A| EP3074698B1|2013-11-27|2014-11-26|Method for solar air conditioning|
    PCT/FR2014/053039| WO2015079165A1|2013-11-27|2014-11-26|Method and device for solar air conditioning|
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