Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
  • F24D11/00—Central heating systems using heat accumulated in storage masses
  • F24D11/006—Central heating systems using heat accumulated in storage masses air heating system
  • F24D11/008—Central heating systems using heat accumulated in storage masses air heating system with conventional supplementary heat source
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
  • F24B1/00—Stoves or ranges
  • F24B1/18—Stoves with open fires, e.g. fireplaces
  • F24B1/185—Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion
  • F24B1/187—Condition responsive controls for regulating combustion 
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
  • F24D2200/00—Heat sources or energy sources
  • F24D2200/10—Fire place
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F2203/00—Devices or apparatus used for air treatment
  • F24F2203/02—System or Device comprising a heat pump as a subsystem, e.g. combined with humidification/dehumidification, heating, natural energy or with hybrid system
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F2221/00—Details or features not otherwise provided for
  • F24F2221/18—Details or features not otherwise provided for combined with domestic apparatus
  • F24F2221/186—Details or features not otherwise provided for combined with domestic apparatus combined with a fireplace
• • 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
  • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
  • Y02A30/00—Adapting or protecting infrastructure or their operation
  • Y02A30/60—Planning or developing urban green infrastructure

Definitions

• Control unit for heating or cooling in a combined appliance combining a heat pump with a wood fire.
• the invention relates to a control assembly for the heat supply or refrigeration of a heat pump or an air conditioning unit operating with a hearth chimney to form a combined heating and air conditioning unit.
• the present invention is in the field of mixed appliances associating a heat pump or a reversible air conditioning unit to a hearth chimney wood or other solid fuel.
• the operation of the heat pump or air conditioning unit is managed by the global control, but there is no regulation of the temperature of the air flow from the fan or from the internal battery to the combi device. this heat pump or air conditioning unit from the temperature of the air at the outlet of the fireplace or at the outlet of the combination appliance.
• the aim is to obtain an additional comfort by a temperature of air as constant as possible corresponding to a temperature displayed, controlled or programmed. This is of course the temperature of the air in the living room or rooms that depends directly from the temperature of the air at the outlet of the mixed device before entering the network of air distribution ducts.
• the purpose of the invention is to measure the heat input and in particular the heating or cooling supply by the heat pump so that during its operation, conjoint or momentary, with that of the chimney, the outlet temperature of the air is regulated around a given reference temperature.
• the dosing of the heating or cooling supply by the heat pump is effected by means of the control of the speed or the flow rate of the fan or the turbine of the output battery of the heat pump, that is to say ie that which is located in the ventilation circuit of the mixed apparatus.
• the invention relates to a set of control and regulation of the heat input and in particular the heat input or cooling by the heat pump in a combined heating and air conditioning unit combining a closed fireplace to the heat pump by measuring the outlet temperature of the air in the air outlet duct, a heat pump of which one of the batteries is placed in the air duct of the combined appliance characterized by a circuit control unit grafting on the main control in operation of the heat pump or integrated therewith, which manages and regulates the speed or the flow rate of the fan or the turbine placed in front of the internal battery according to the temperature of the outlet air taken by a thermal probe in the air outlet duct, probe placed downstream of the hot air outlet of the chimney, the regulation places the operating point of the appliance on a e curve regulating the speed of the fan motor or the turbine as a function of temperature and which evolves on either side of an average point corresponding to a reference temperature.
• the control according to the present invention provides an additional thermal comfort by a satisfactory regularity of the temperature.
• FIG. 1 is the general diagram of the installation with an additional control card
• Figure 2 is the general diagram of the installation with a global control card
• FIG. 3 is the functional block diagram of the fan control
• FIG. 4 is a graph showing the control curve between the temperature T and the RPM of the motor or the flow rate of the fan or the turbine of the heat pump battery which, according to the example shown, is a straight line segment.
• the present invention proceeds from the general inventive idea which consists in regulating the exit temperature of the air conditioning in temperature of a mixed heating and air conditioning device of the dual energy type comprising a closed fireplace associated with a pump heat
• the present invention relates to electrical and electronic means for controlling the fan motor or the turbine of the internal battery of a heat pump or air conditioning unit PAC associated with a wood-fired fireplace equipped with a closed hearth to form a combined heating and air conditioning unit.
• the internal battery of the heat pump PAC is placed in the lower passage of the air which continues with a duct towards the hot air outlet of the chimney communicating with different ducts and vents of the room ventilation circuit.
• a heat pump 1 referenced PAC preferably reversible, is associated with a fireplace 2 hearth for housing with a closed hearth 3 for example glass door 4. This closed hearth 3 is placed in a hearth 5. It works with a solid fuel, for example wood.
• the closed hearth 3 comprises a duct 6 for evacuation of gases and combustion fumes and means for directing the air heated by the walls of the body of this closed hearth 3 into an air outlet duct 7 communicating with the ducts. a network aeraulic distribution of conditioned air in temperature.
• the air outlet duct 7 originates in the lower part of the hearth 5 from an air inlet 8 which opens into the room or outside thereof into another place where outside .
• a battery 9 called internal battery of the heat pump PAC. This occupies all or most of the section of this duct and is provided with a motor driving a rotating aeration unit of a turbine or a fan 10 forcing air from the air intake to through the internal battery 9 of the heat pump so as to heat it up and, if necessary, to cool it down or by not modifying its temperature, but its flow rate.
• a temperature sensor 11 is provided in the air outlet duct 7 downstream of the hot air outlet 12 of the closed hearth 3.
• This temperature sensor 11 comprises a temperature sensor or an element whose physical characteristics change with the temperature variation, for example a resistance sensor with a negative temperature coefficient known under the abbreviation CTN.
• this temperature probe 11 is mounted in a particular circuit for controlling the speed RPM of the turbine engine or the fan 10 of the internal battery 9 of the heat pump PAC, this command being given priority over the general control of the heat pump.
• the control circuit may be in the form of a separate CARDI additional card (FIG. 1) or incorporated or integrated in the card main control and management of the CACOM heat pump ( Figure 2).
• the temperature probe 11 is connected to a DETECT detection circuit comprising a FRASEUIL temperature threshold crossing detector, for example at 50 ° C. and at 65 ° C. or between 50 ° C. and 65 ° C.
• AMV power supply circuit The power supply of the CARDI card and that of the fan or the turbine 10 are provided by an AMV power supply circuit.
• a REGUL regulator module provides the regulated supply of the fan motor or the turbine 10 through a VARIFR frequency converter and from the regulation law which results in a curve represented as an example by a straight line segment. in Figure 4.
• the AMV power supply is extended by a module for cutting and modulating the DMSA power supply signal supplying the fan or turbine motor 10 through the REGUL controller and the VARIFR frequency converter.
• the assembly is completed by a power supply output of the three-wire motor for two power circuits, one for the auxiliary phase for starting the fan and the other for the main phase for the permanent operation of the fan.
• the DMSA block forms two alternating voltages in quadrature, of variable amplitude and frequency given by the law regulating the flow rate or the RPM regime as a function of the temperature T of the air leaving the apparatus.
• On the CARDI card are provided at least two blocks of micro-switches for modifying the parameters governing the operation and in particular the threshold temperatures.
• control card can be integrated into a single main control card while keeping the same general functions.
• FIG. 2 shows the integrated version of the invention according to which the control card of the heat pump PAC comprises the circuits of the specific control of the RPM of the fan motor or the turbine of the battery. of the heat pump PAC placed inside the mixed device.
• the temperature sensor T is located at the air outlet of the apparatus and the internal battery 9 of the heat pump PAC integrated in the apparatus and placed at the beginning of the air outlet duct 7 or the air conditioning column connected to the air diffusion network in the room (s).
• the regulation relationship between the engine RPM speed or flow rate of the fan or of the turbine and the temperature T is ideally linear as shown in Figure 4 that is to say a beginning line segment 65 0 C and ending at 200 0 C on which is located and moves the operating point. Due to the precise regulation, this one undergoes only small differences of regulation on this segment of right, different from the regulation curves in steps of the previous classic regulations.
• the heat pump is stopped when the temperature in the air outlet duct 7 at the level of the probe exceeds 65 ° C. This translates the existence of the fire at normal speed. in the closed fireplace and the temperature control is done in the same way but without a heat pump. It is believed that this supply of calories through the furnace is sufficient to heat the part (s) to the required temperature, but must be regulated by the variation of the flow rate or RPM of the fan motor or turbine.
• the circuit for exceeding a threshold FRASEUIL then controls the shutdown of the heat pump PAC for example by the remote control without stopping the regulation of the motor of the fan or the turbine 10.
• This regulation of the RPM regime of the fan motor or the turbine 10 brings various important advantages, including the regularity (no significant differences in the regulation of the speed of the fan), the low noise thereof, precise regulation in temperature, longevity of the fan. engine.

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• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Thermal Sciences (AREA)
• Secondary Cells (AREA)
• Control Of Temperature (AREA)
• Thermotherapy And Cooling Therapy Devices (AREA)
• Structures Of Non-Positive Displacement Pumps (AREA)
• Control Of Positive-Displacement Air Blowers (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=39431095

Family Applications (1)

Country Status (3)

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Family Cites Families (5)

• 2007
  • 2007-10-18 FR FR0707289A patent/FR2922635B1/fr not_active Expired - Fee Related
• 2008
  • 2008-10-14 WO PCT/FR2008/001446 patent/WO2009087301A2/fr active Application Filing
  • 2008-10-14 EP EP08869636A patent/EP2198202A2/de not_active Withdrawn

Non-Patent Citations (1)

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