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
  • F24D19/00—Details
  • F24D19/10—Arrangement or mounting of control or safety devices
  • F24D19/1096—Arrangement or mounting of control or safety devices for electric heating systems
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
  • G05D23/00—Control of temperature
  • G05D23/19—Control of temperature characterised by the use of electric means
  • G05D23/1919—Control of temperature characterised by the use of electric means characterised by the type of controller
  • G05D23/1923—Control of temperature characterised by the use of electric means characterised by the type of controller using thermal energy, the cost of which varies in function of time

Definitions

• the present invention relates to a method for managing heating elements. More particularly, the invention relates to heating appliances having at least two heating units.
• Current heating devices generally have the function of maintaining an ambient temperature in a substantially constant room.
• the temperature at which the heater must maintain the room temperature is called the set temperature.
• This setpoint temperature is defined by a user of said heater.
• Maintaining the ambient temperature substantially at the set temperature is done using a control device.
• a control device has the function of calculating the heat requirements necessary to maintain said ambient temperature at the desired value of the set temperature.
• the controller defines heating instructions and sends them to the heater.
• the control device In order to maintain a substantially constant ambient temperature, the control device must know the ambient temperature.
• the regulating device therefore comprises, or is connected to, a probe.
• a probe may be an outdoor sensor, a room sensor or any other type of sensor whose function is to inform the control device on the temperature taken as a reference to determine the heat requirements.
• a control device must include a thermostat or any other device capable of allowing the user to set the set temperature.
• a thermostat makes it possible to adjust the set temperature using mechanical means, for example a graduated or electronic wheel, for example an LCD type screen associated with a set of push buttons.
• a heater may include one or more heaters.
• a regulating device may be provided to give instructions to one or more heaters. In the case of a regulating device giving instructions to a single apparatus of V 3 3, 1 » ⁇ %%%% ",? V "*> V
• said regulating device can be directly integrated with said heating apparatus.
• the same heater may have several heating units. These heating units can be identical, or have each own characteristics. The heating units may in particular have different powers. Similarly, the heating units may be of different natures.
• a heating unit may thus be a finned resistor, a surface resistance, an accumulator block, a fan coil unit, a thermodynamic unit, a fluid exchanger with solenoid valve or any other device that may constitute a source of heat emission.
• a heater may have many combinations of such heaters. These combinations may vary depending on the position of the heating units in the appliance, the number of these heating units, the nature of each heating unit or the power of each heating unit.
• prior art control devices are provided for overall determination of the heat requirements to be emitted by a heater.
• the heating units in a heater are used equally.
• the regulator defines a certain amount of heat to be emitted to reach a set temperature; said regulator therefore instructs the heater to operate at a certain rate of operation.
• the device then uses all its heating units at the same rate of operation, which is that indicated by the regulating device.
• One possible solution to solve this problem may be to integrate a control device for each heating unit of a heater.
• a control device for each heating unit of a heater is difficult to implement.
• such a solution imposes a significant surplus of parts.
• This solution also requires the user to adjust the regulating devices independently of each other. The maneuver is therefore long and laborious for the user of such a heating device.
• the invention provides that the control device allows a variable use of a heater according to the different heating units present in said heater.
• the user can define a different use for the heating units of the same heater.
• the method according to the invention consists in distributing the heat emission between the different heating units to provide the necessary amount of heat calculated by the regulating member. This distribution may be uneven, depending on the characteristics of the heating units and / or the wishes of the user.
• a preferred embodiment of the invention provides that the distribution of heat emissions between the different heating units is calculated by the control device as a function of particular parameters. Such parameters may be stored in a memory of the regulating device. The distribution of heat emissions between the different heating units is then applied by the different heating units according to these parameters.
• a particular embodiment of the invention provides that the parameters used to calculate the distribution of heat emissions are ordered according to a priority ranking.
• the purpose of such a priority classification is to allow the use of certain parameters in a preferential manner.
• This priority ranking may be, according to the invention, defined by the user himself.
• the subject of the invention is therefore a method for managing heating elements of a heating device, said device comprising at least one heating appliance, said appliance comprising at least two heating units connected to a same control device, said method comprising:
• a step during which the heating instructions are applied to the heating units by the heating appliance said method further comprising a step during which the regulating device calculates distinct operating rates for the different heating units, according to the overall operating rate of the heater and heat distribution parameters between the heating units, said parameters being stored in a data memory of the control device.
• the parameters used for calculating the distinct gait rates are selected from a set of possible parameters, stored in the data memory of the control device.
• the method comprises a step during which the parameters are selected in order of priority.
• the invention also relates to a heating device provided with means for implementing such a method.
• FIG. 1 A schematic view of a heating device according to the invention.
• FIG. 1 represents a schematic view of a heating device according to the invention.
• a heating device 1 according to the invention comprises one or more heating devices 2.
• the method according to the invention comprises a step 3 during which the heating device 1 is supplied with energy.
• the energy supply of the heating device is, for example, effected by means of an electrical socket 4.
• the heating apparatus 2 comprises at least two heating units.
• the heating units 5 may, for example, be a finned resistor 6, a surface resistance, an accumulator block, a fan coil unit 7, a thermodynamic group or a fluid exchanger with solenoid valve.
• the heating device 1 has among other functions to maintain a room temperature 8 substantially constant in a room.
• the temperature at which the heater 1 must maintain the ambient temperature 8 may be set by a user of said heater 1. This temperature set by said user is called the set temperature 9.
• the heating device 1 In order to correctly define the heat requirements of the room making it possible to maintain the ambient temperature 8 at the set temperature 9, it is necessary for the heating device 1 to know the ambient temperature 9 in said room.
• the ambient temperature 8 is necessary to know the difference between the set temperature 9 and the ambient temperature 8.
• a step 10 of probing the ambient temperature is therefore necessary.
• a probe 11 is used for this probing step.
• the ambient temperature 8 recorded during the probing step 10 is transmitted to a regulating device 12.
• Such a probe 11 can also be directly integrated in the regulation device 12.
• the regulating device 12 can be integrated directly into the heating apparatus 2.
• a regulating device 12 integrated in the heating apparatus 2 generally only interacts with said heating apparatus 2, ie independently of any other heating apparatus 2 present in the room.
• a regulating device 12 may also be independent, ie not integrated with the heating apparatus 2. Such an independent regulating device 12 can interact with one or more heating apparatuses 2.
• the regulation device 12 has the function of calculating the needs the heat emission required to maintain the ambient temperature 8 at the set temperature 9. For this purpose, the regulation device 12 determines, during a step 13 of the method according to the invention, a global operating rate 14 of the heater 2.
• a thermostat 15 is integrated in the regulation device 12.
• the thermostat 15 comprises, for example in the case of an electronic thermostat 15, a backlit LCD screen 16.
• the screen 16 displays all the useful information for the user, among others the ambient temperature 8 and the set temperature 9.
• the setting of the set temperature 9 is made using a setting device 17.
• the adjustment device 17 comprises a push button 18 "+” and a push button 49 "-”.
• the push-buttons 18 and 43 respectively serve to increase or decrease the set temperature 9.
• the regulation device 12 defines heating instructions 19 and sends them to the heating apparatus 2 when of a step 20 of the method according to the invention.
• the heater 2 comprises a control box 21. This control box 21 receives the instructions 19 for heating. In a step 22 of the method, the control unit 21 applies the heating instructions 19 to the heating units 5 of said heating apparatus 2.
• the heater 2 operates its heating units 5 identically during the step 22 of applying the instructions 19. Typically, the heater 2 applies the same rate 14 global walk to its heating units 5, regardless of the characteristics of said heating units 5.
• the method of the invention comprises a step 23 of distribution of heat emission between the heating units 5. During this step 23, a distribution of the operating rates of each heating unit 5 is determined. This determination is made according to the overall operating rate 14 of the heating apparatus 2, determined during step 13 of the method.
• the regulating device 12 comprises a data memory 24, a program memory 25, a microprocessor 26, an input interface 27, an output interface 28 and at least one communication bus 29.
• the information on the ambient temperature 8 read by the probe 11 is transmitted to the regulation device 12 via its input interface 27. This information is either used directly by the microprocessor 26, or stored in the data memory 24 to be used thereafter.
• the communication bus 29 interconnects, at least in part, the various elements of the regulating device 12. Typically, the bus 29 allows the flow of information in the control device 12. The information necessary for the various process steps circulates, via the bus 29, memories 24 and 25 and / or the input interface 27 up to the microprocessor 26.
• the data, as well as the instructions which result from the calculations carried out by the microprocessor 26 flows through the bus 29 of the microprocessor 26 to the output interface 28. These data are transmitted from the output interface 28 to the heater 2. More particularly, these data are transmitted to the control unit 21 of the heating apparatus 2.
• the calculation of the heat requirements is such that it determines a distribution of the heat emission as a function of the heating units of the heating apparatus 2. Such a distribution takes all its interest when the heating units 5 are of different natures.
• the process according to the invention is also advantageous when the heating units are of different powers.
• the distribution of heat emission between the heating units 3 is calculated as a function of parameters 30 stored in the data memory 24 of the regulating device 12.
• the method according to the invention therefore comprises a step 31 of selecting the parameters to be applied.
• Such parameters 30 make it possible to manage the preferences of use of the heating apparatus.
• the regulation device 12 optimizes the operation of the heating device 1 as a function of these parameters 30.
• These parameters 30 may for example be comfort parameters 32, security 33, efficiency 34, power demand 35, cost Tariff 36 or ecological criteria 37.
• the parameters mentioned above are given by way of non-limiting examples.
• Comfort parameters 32 may lead to the priority selection of a heating unit 5 on the front. Such a selection favors a Permanent hot spot and the radiation of the heat emitted. To quickly raise the ambient temperature 8, for example during a setpoint temperature change 9, the comfort parameters 32 can determine a priority selection of a fan coil unit. Safety parameters 33 can prioritize a selection of convective heating units. Such convective heating units 5 make it possible to keep the heating apparatus 2 at a low temperature.
• Yield parameters 34 may prioritize the selection of thermodynamic heating units. Furthermore, such efficiency parameters 34 may result in the priority selection of fluid exchanger hydraulic heaters. In a preferred embodiment, the priority selection of the hydraulic fluid exchanger heating unit is as a function of the temperature of said fluid.
• Parameters for managing the power demand make it possible to choose, in priority, the heating units whose nominal power best corresponds to the heat requirements of the room.
• Tariff parameters 36 firstly select the heating units 5 whose energy is the most advantageous over a current period.
• an accumulator device can be used to store this energy.
• Environmentally friendly parameters 37 make it possible to select, first and foremost, the heating units 5 with renewable energy.
• the priority defined by these ecological parameters can also take into account the heating units 5 with emission of greenhouse gases.
• the distribution 23 of heat emission is thus calculated by the regulating device 12, as a function of the selected parameters; instructions 19 resulting from said calculation are then applied to the heating units 5 by the heater 2. More particularly, the control unit 21 applies a separate step rate 50 to each heating unit 5 according to said instructions 19.
• a user can define an order 41 of priority among the distribution parameters.
• the method according to the invention comprises a step 38 of priority detection. During this step, the method according to the invention observes whether there is an order of priority among the parameters 30.
• the method according to the invention goes directly to the step 31 of selecting parameters. If such a priority is set, the highest priority parameters 30 are selected in a step 39.
• a step 40 verifies that the 30 not yet selected parameters having the highest remaining priority are not in contradiction with the parameters already selected. selected. Typically, this step verifies that a parameter does not wish to select in priority a heating unit 5 that would already be excluded by parameters 30 already selected. If the remaining parameters having the highest priority do not conflict with the parameters already selected, then the method according to the invention performs step 39 of selecting said remaining priority parameters. This step 39 and step 40 are repeated until there are no more parameters 30 to select or the remaining 30 parameters are in contradiction with the parameters already selected. In the case of priority parameters remaining in contradiction with the parameters already selected or when there are no more parameters 30 to be selected, the method according to the invention carries out the step 20 of defining and sending instructions 19 by function of the selected 30 parameters.
• the order 41 of priority is stored in the data memory 24 of the regulating device 12.
• This order of priority can be defined by the user using a program 42 of priority.
• Said program 42 of priority can be contained in the program memory 25 of the regulating device 12.
• This program 42 may be at the origin of the scripting steps 38, selection 39 and search for non-contradiction 40 of the method according to the invention.
• FIG. 2 represents a diagram of the steps of the method according to the invention.
• the heating devices of the state of the art as described above, comprise only step 3 of supplying the heating device 1, the step 10 of probing the ambient temperature 8, the step 13 for determining the operating rate 14 of the heating apparatus 2, the step 20 for defining and sending the heating instructions 19 by the regulating device 12 and the step 22 of applying said instructions 19 by the heater 2.
• the method according to the invention comprises, in addition to the conventional method, a step 23 for defining a different operating ratio 50 between the different heating units 5 of the heating apparatus 2.
• the step 20 of defining and sending instructions 19 is performed after this step 23 of defining different run rates 50.
• the instructions 19 correspond to the determined distinct operating rates 50.
• said method according to the invention comprises a step 31 for selecting heat distribution parameters 30 between the heating units.
• a selection step 31 can be performed directly by the user.
• Step 23 of setting run rates 50 is based on the selected parameters.
• Another preferred embodiment of the method according to the invention provides a step 38 of scripting the order of priority.
• the distribution parameters are ranked according to a priority order. If such a priority order is not defined, the method according to the invention directly performs the step 31 of selecting parameters 30. If such an order 41 exists, the method according to the invention comprises a step 39 during which the parameters 30 having the highest order are selected.
• a step 40 of the method according to the invention looks at whether the parameters 30 not yet selected having the highest order of priority are not in contradiction with the parameters 30 already selected. If this is the case, the method according to the invention proceeds directly to step 23 of distribution of the gait rates. If this is not the case, the method according to the invention executes again step 39 of selecting the priority parameter.

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• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Thermal Sciences (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• General Physics & Mathematics (AREA)
• Automation & Control Theory (AREA)
• Central Heating Systems (AREA)
• Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)

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• 2008
  • 2008-04-03 FR FR0852214A patent/FR2929693B1/fr active Active
  • 2008-10-31 JP JP2008280768A patent/JP2009250603A/ja not_active Withdrawn
• 2009
  • 2009-04-02 EP EP09738319A patent/EP2283280A2/de not_active Withdrawn
  • 2009-04-02 WO PCT/FR2009/000395 patent/WO2009133285A2/fr active Application Filing

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