WO2024246453A1 - Algorithme de détection d'une surchauffe à partir d'une mesure de température intérieure - Google Patents
Algorithme de détection d'une surchauffe à partir d'une mesure de température intérieure Download PDFInfo
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- WO2024246453A1 WO2024246453A1 PCT/FR2024/050668 FR2024050668W WO2024246453A1 WO 2024246453 A1 WO2024246453 A1 WO 2024246453A1 FR 2024050668 W FR2024050668 W FR 2024050668W WO 2024246453 A1 WO2024246453 A1 WO 2024246453A1
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- Prior art keywords
- overheating
- interior temperature
- temperature
- time interval
- over
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Program-control systems
- G05B19/02—Program-control systems electric
- G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Program control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/2823—Reporting information sensed by appliance or service execution status of appliance services in a home automation network
- H04L12/2827—Reporting to a device within the home network; wherein the reception of the information reported automatically triggers the execution of a home appliance functionality
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
- E06B2009/6809—Control
- E06B2009/6818—Control using sensors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L2012/2847—Home automation networks characterised by the type of home appliance used
- H04L2012/285—Generic home appliances, e.g. refrigerators
Definitions
- TITLE Algorithm for detecting overheating from an interior temperature measurement
- the invention relates to the field of managing the interior thermal comfort of a building and more particularly to a method of managing a home automation installation and a terminal of a home automation installation.
- a building for domestic or professional use has a set of active elements, such as air conditioning or heating devices, or passive elements, such as solar protection such as roller shutters or blinds, whose behavior, in particular through automatic control, has a strong influence on a change in thermal comfort, i.e. the interior temperature of the building, and interior visual comfort.
- active elements such as air conditioning or heating devices, or passive elements, such as solar protection such as roller shutters or blinds, whose behavior, in particular through automatic control, has a strong influence on a change in thermal comfort, i.e. the interior temperature of the building, and interior visual comfort.
- irradiance and more precisely solar radiation transmitted through the glazing of an opening in the building is one of the predominant components of an increase in the interior temperature.
- controlling solar protection i.e. controlling the opening or closing of the solar protection
- the exterior has a direct and significant impact on thermal and visual comfort, with very limited energy expenditure to ensure this control.
- good management of solar protection makes it possible to gain several degrees on the interior temperature.
- Controlling or managing a solar protection system involves changing the positions of the solar protection system over time between a deployed or unrolled position in which it stops at least a portion of solar radiation, and a folded or rolled position in which it stops a lesser portion of the solar radiation.
- Manual control or management is not optimal from an energy point of view because it is difficult for a building occupant to know exactly what the ideal position of the solar protection is at any time, and when to open or close it. In addition, if the building is unoccupied, movements are impossible, unlike automatic control which continuously ensures the positioning of the protections. It is therefore important to be able to manage automatic control optimally, in particular to limit the increase in the interior temperature.
- the invention aims to remedy all or part of the aforementioned drawbacks by proposing a method for managing a home automation installation of a building comprising at least one motorized solar protection, a unit for managing a position taken by the solar protection over time, and at least one device for measuring an interior temperature of the building, the method being implemented by the management unit located inside the building and comprising:
- a comparison step in which a superheating dynamics parameter is determined based on a comparison of an evolution of the interior temperature over a first time interval with a superheating rate
- An overheating situation corresponds to a situation in the building in which the interior temperature is higher than a maximum value of a comfort temperature range.
- the comfort temperature range is within the interval [16°, 30°], for example the interval [19°, 27°], preferably the interval [21°, 26°].
- the management method according to the invention aims to modify the position of the solar protections so as to limit an increase in the interior temperature, so that it remains within the comfort temperature range while preserving visual comfort for users.
- the method acts on the solar protections when a situation of overheating linked to radiation solar protection is effective or when it is likely to occur. More precisely, the process closes or deploys the solar protections when overheating dynamics are detected. Overheating dynamics correspond in particular to an increase in the interior temperature. It is characterized by the overheating dynamics parameter.
- the method only acts when the overheating dynamics are linked to solar radiation in order to preserve the visual comfort of users. It is indeed useless, and has no effect on the indoor temperature, to close the solar protections if the overheating dynamics and/or the overheating situation results from other phenomena such as the start-up of active elements, or activities carried out inside the building. Closing the solar protections in these cases would significantly reduce the visual comfort of users.
- the process therefore helps prevent overheating in a building, particularly during the summer season.
- the method performs the detection of the dynamics of overheating linked to solar radiation on the basis of temperature information, this being solely derived from measurements of the interior temperature T in the building considered. More precisely, the temperature information is solely derived from a succession of measurements of the interior temperature spaced by a sampling time interval, the latter preferably being between Oh and 1 h, for example 15 minutes.
- the indoor temperature is influenced by different phenomena.
- a comparison of the instantaneous indoor temperature with the maximum value of the comfort temperature range makes it possible to detect an actual overheating situation but does not make it possible to indicate whether this overheating is linked to solar radiation or to another phenomenon such as the operation of an oven in a living room, or to the inertia of the building, for example.
- this detection of an actual overheating situation is late and can therefore neither anticipate an upcoming overheating situation nor generally be correctly compensated by controlling the solar protections.
- the method according to the invention comprises a measuring step which measures and records the interior temperature over time.
- these temperatures are recorded in a memory of the management unit. More precisely, the temperature measurement is carried out periodically, following a sampling period.
- the method also includes a comparison step determining the overheating dynamics parameter which is representative of a detection of an actual or future overheating situation inside the building.
- the overheating dynamics parameter is determined on the basis of the temperature information, this being solely derived from the indoor temperature T of the building considered. More precisely, the overheating dynamics parameter is determined based on a comparison of a change in the indoor temperature over a first time interval with an overheating rate.
- the overheating rate is determined, or calibrated, so as to be representative of an overheating dynamic of the building linked to solar radiation.
- the overheating rate is expressed by a temperature over a period of time, for example in °C/h.
- the method also makes it possible, when the interior temperature is already an uncomfortable temperature, to detect a worsening of the discomfort situation if no action is taken.
- the change in the interior temperature is decreasing, the interior of the building cools down.
- the indoor temperature can still be higher than the maximum value of the comfort temperature range, i.e. the building can still be in an overheating situation.
- cooling is in progress, there is no longer any overheating dynamic and closing the sun protections unnecessarily reduces the visual comfort of the users, or even slows down said cooling.
- the measurement step and/or the comparison step and/or the control step are carried out iteratively following a production period.
- the state of the superheat dynamics parameter is updated at each iteration, and can therefore vary over time.
- the performance period may be equal to or different from the sampling period.
- the implementation period is between Oh and 1 h, preferably for example 15 min.
- the invention may also have one or more of the following characteristics taken alone or in combination.
- the first time interval is between Oh and 3h, preferably between Oh and 1h, for example 30min.
- the superheating rate is positive or zero.
- control step is carried out over a period of days.
- the daytime period corresponds to the time when solar radiation can increase the indoor temperature.
- the daytime period can be determined in different ways, such as on the basis of information from a light sensor, by information about a calendar sunrise and sunset, or by a determination on the basis of an indoor temperature.
- the overheating rate depends on the measured interior temperature.
- the overheating rate In order to best determine or calibrate the overheating rate so that it is representative of an increase in the interior temperature linked to solar radiation, it is variable and depends in particular on the measured interior temperature.
- the overheating rate depends on an average value of the interior temperature measured over a second time interval.
- Using the average value of the indoor temperature helps to limit a certain number of false detections.
- the second time interval is between Oh and 3h, preferably between Oh and 1h, for example 30min.
- the first time interval is equal to the second time interval.
- the evolution of the interior temperature over the first time interval is determined from a sampling of measurements of the interior temperature over the first time interval. According to one embodiment, the evolution of the interior temperature over the first time interval is determined by a slope of a straight line calculated by a least squares method of the interior temperature over the first time interval.
- the solar protection assumes a deployed position when the overheating dynamics parameter is in an active state.
- the overheating dynamics parameter can be in an active state or in an inactive state. In the active state, an overheating dynamic is detected.
- the solar protection therefore takes a deployed position. This deployed position preferably corresponds to a deployment of 80% of the total travel of the solar protection. Thus, this deployed position preserves a minimum of natural light inside the building, and limits a risk of being locked in outside the building.
- the overheating dynamics parameter is in the inactive state, there is no or no longer any overheating dynamic.
- the management unit can be configured to control the solar protection so that it takes a folded position. Alternatively, the management unit can be configured not to react in such a situation. The solar protection then remains in its position.
- the overheating dynamics parameter is in the active state when the change in the interior temperature over the first time interval is greater than the overheating rate.
- the overheating dynamics parameter is in an inactive state when the change in the interior temperature over the first time interval is less than the overheating rate.
- the superheat dynamics parameter is also determined based on a comparison of a value representative of the interior temperature with a superheat temperature range.
- the overheating temperature range includes at least a low overheating temperature threshold and an high overheating temperature threshold.
- the superheat dynamics parameter varies depending on whether the representative indoor temperature value is below, within, or above the superheat temperature range.
- the overheating temperature range corresponds to the comfort temperature range.
- the superheat temperature range is within the interval [16°, 30°], for example the interval [19°, 27°], preferably the interval [21°, 26°].
- the overheating temperature range corresponds to the comfort temperature range.
- the representative value of the indoor temperature is determined by an average of the indoor temperature over a third time interval. Using the average value of the indoor temperature makes it possible to limit a certain number of false detections.
- the third time interval is between Oh and 3h, preferably between Oh and 1h, for example 30min.
- the first time interval is equal to the third time interval.
- the second time interval is equal to the third time interval.
- the overheating dynamics parameter is in the active state when the value representative of the interior temperature is within the overheating temperature range.
- the overheating dynamics parameter is in the active state.
- the overheating dynamics parameter is in the active state when the value representative of the interior temperature is greater than a high overheating temperature threshold of the overheating temperature range and the change in the interior temperature over the first time interval is increasing.
- the method further comprises a step of detecting a sustainable overheating dynamic in which a sustainable overheating dynamic parameter is in an active state when the overheating dynamic parameter is in an active state for a sustainable overheating duration over a fourth time interval.
- a sustainable overheating dynamic is defined as the detection of the overheating dynamic parameter in an active state for a sustainable overheating duration over a fourth time interval.
- the method detects a sustainable overheating.
- the sustained overheating time is less than or equal to the fourth time interval.
- the fourth time interval is between Oh and 3h, preferably between Oh and 1h, for example 30min.
- the duration of sustainable overheating is between Oh and 3h, preferably between Oh and 1h, for example 30min.
- the control step defines the position to be taken by the solar protection according to the sustainable overheating dynamics parameter.
- the method limits false detections of overheating dynamics.
- the management method also comprises:
- the season detection step makes it possible to determine the current season, and in particular whether the current season is winter. For example, the season detection is carried out by an analysis of the evolution of the internal temperature.
- the outdoor brightness is measured in order to determine a time of day, and in particular whether the time of day is night.
- the outdoor brightness can be measured by means of a sensor positioned outside the building on the sun protection.
- the method according to the invention does not require a connection to a remote network, such as an Internet network, to operate efficiently.
- the sun protection takes the deployed position when the exterior brightness is below a night threshold and the determined season is winter.
- the time of day is night.
- the sun protection takes the deployed position also when the exterior brightness is greater than a daytime threshold and the determined season is other than winter.
- the sun protection is put in the deployed position if an overheating dynamic is detected in order to limit the discomfort due to this increase in temperature.
- the sun protection is maintained in its position when the exterior brightness is greater than a daytime threshold and the determined season is winter.
- the night threshold is equal to the day threshold.
- the invention also relates to a terminal of a home automation installation implementing the method according to the invention.
- the terminal comprises a temperature measuring device, and the comparison step is carried out using temperature information, the latter being solely derived from internal temperature measurements by the temperature measuring device of the terminal.
- the invention also relates to a method for managing a home automation installation of a building comprising at least one motorized solar protection, a control terminal, a unit for managing a position taken by the solar protection over time, and at least one device for measuring an interior temperature of the building, the method being implemented by the management unit and comprising, from a reference time, one or two maximum commands for closing the at least one solar protection over a period of 24 hours when an overheating dynamic is detected, the overheating dynamic and/or the reference time being determined solely on interior temperature measurements.
- the invention also relates to a control terminal implementing such a method.
- FIG. 1 is a schematic representation of a building comprising a home automation installation implementing a method in accordance with the invention
- FIG. 2 is a schematic cross-section of a solar protection of the home automation installation of Figure 1;
- FIG. 3 is a schematic perspective view of the sun protection illustrated in Figure 2;
- FIG. 4 is a graph illustrating an evolution of an interior temperature and a quantity of solar radiation transmitted through a window over two days;
- FIG. 5 is a graph illustrating a state of a superheat dynamic parameter as a function of the interior temperature
- FIG. 6 is an illustration of a method according to the invention.
- FIG. 7 is a perspective view from above of a first embodiment of a local control unit for implementing a method according to the invention.
- FIG. 8 shows a top view of a second embodiment of a local control unit
- FIG. 9 represents a diagram of a method according to the invention comprising a season detection step and a night detection step.
- the solution proposed here relates to automatic management of a position of a solar protection over time, making it possible to act on the thermal comfort of an area of a building.
- a building 1 comprises a home automation installation 100 comprising a motorized solar protection 3.
- the home automation installation 100 comprises a management unit 102 of a position taken by the solar protection 3 over time.
- the installation also comprises at least one device 104 for measuring the interior temperature T of the building, in particular of a room of the building 1 associated with the solar protection 3, that is to say in a room of the building 1 comprising at least one opening 108 which may be masked or not or partially by the solar protection 3.
- the measuring device 104 also comprises a memory in which interior temperature T data can be stored at substantially regular intervals over a predefined period, for example over 24 hours.
- parameters associated with the interior comfort of building 1 can also be measured, in particular a degree of brightness, a degree of hygrometry or a composite quantity defined as a function of the quantities previously cited, or a prediction of these parameters.
- the installation 100 comprises an active device 106 for providing thermal inputs inside the building 1, such as for example heating, air conditioning or a reversible heat pump.
- the active device operates independently of the management unit 102.
- the management unit and the active device share a certain number of components, for example the device for measuring the interior temperature may be common to the active device and the management unit.
- the sun protection 3 is installed outside or inside the building, in particular near an opening 108 of the building.
- An opening 108 is for example a window, a French window or a glass door.
- the sun protection is advantageously an interior or exterior blind made of canvas or provided with adjustable slats.
- the present invention applies to all types of sun protection.
- the sun protection 3 comprises a canvas 2 fixed by one of its ends to a winding tube 4, arranged inside a box 9 and driven by an electromechanical actuator 5, and by the other end to a weighted bar 8.
- the sun protection 3, and more particularly the canvas 2 is movable between a rolled up or folded position, in particular high, in which the canvas 2 uncovers the opening 108 at which the sun protection is positioned, and an unrolled or deployed position, in particular low, in which the canvas 2 covers the opening and thus at least partially blocks the radiation solar through the opening 108.
- the deployment of the canvas 2 can be guided by slides 6.
- the electromechanical actuator 5 is fixed to a supporting structure 9 linked to the building 1 and inserted into the winding tube 4 to drive the latter in rotation so as to unroll or roll up the canvas 2.
- the different slats of the blind are preferably suspended via cords intended to be wound on the winding tube or unwound from the winding tube so as to fold up or unfold the screen.
- the electromechanical actuator 5 is controlled by a local control unit 12 which can be provided with an antenna 12a.
- the local control unit 12 takes the form of a wall switch, or a remote control. Such a local control unit 12 is shown more precisely according to a first embodiment in FIG. 7 and according to a second embodiment in FIG. 8.
- the installation 100 may also comprise a central control unit 13 which may be equipped with an antenna 13a, which acts as a gateway between the installation 100 and an Internet network external to the installation.
- the management unit 102 may be a local control unit 12 or a central control unit 13.
- the electromechanical actuator 5 is configured to execute movement commands, in particular deployment or retraction, of the solar protections 3, the commands being able to be issued, in particular, by the local control unit 12 or the central control unit 13, which are part of the installation 100.
- the electromechanical actuator 5 comprises an electric motor 10 and an electronic control unit 15 capable of operating the electric motor 10 of the electromechanical actuator 5, and, in particular, enabling the electric motor 10 to be supplied with electrical energy.
- the electronic control unit 15 comprises a communication module, in particular for receiving control orders, the control orders being sent by the local control unit 12 or the central control unit 13, for example by means of radio control orders.
- a remote control 14 which may be a type of local control unit, and provided with a control keyboard, which includes selection and possibly display means, furthermore allows a user to intervene on the electromechanical actuator 5 and/or the local control unit 12 and/or central control unit 13.
- the installation may also include a weather station, not shown, located outside the building, including, in particular, one or more sensors which may be configured to determine, for example, an outside temperature, brightness or even wind speed.
- a weather station not shown, located outside the building, including, in particular, one or more sensors which may be configured to determine, for example, an outside temperature, brightness or even wind speed.
- the electromechanical actuator 5 may comprise a connection to a mains power source or may comprise an autonomous electrical energy supply device, such as for example a photovoltaic panel and/or an electrical energy storage device.
- the installation 100 in particular the management unit 102, and the electromechanical actuator 5 comprise all the hardware and/or software means for implementing the management method which is the subject of the invention.
- the management unit 102 comprises a processing unit arranged to contain and execute a computer program product comprising portions of program code for executing the steps of a method for managing the home automation installation 100 according to the invention.
- the management unit 102 is capable of determining automatic management of a positioning of the solar protection 3 according to a previously selected control mode.
- the automatic management of the solar protection 3 comprises in particular deployment control orders, i.e. opening, or retraction, i.e. closing of the solar protection transmitted from the management unit 102 to the electromechanical actuator 5 in accordance with the selected control mode.
- the management unit 102 comprises a memory in which the control mode to be carried out and a set of programs associated with different control modes can be stored.
- the management unit 102 is also arranged to receive data from the indoor temperature measuring device 104.
- the management unit 102 can also receive status or position data provided by the electromechanical actuator 5, concerning the solar protection 3.
- the management unit 102 comprises a communication module.
- the management unit 102 also comprises a user interface.
- the user interface is arranged to allow possible programming of the management unit 102.
- the management unit 102 further comprises a display element for providing a value of the interior temperature T and/or a reference of the control mode following the implementation of the management method described later.
- the management unit 102 also optionally comprises illuminance measuring elements, for example a luxmeter or means of communication with such illuminance measuring elements.
- the communication module of the management unit 102 is also adapted to receive information relating to weather forecasts, for example by means of a connection to an Internet network via the central control unit.
- the management unit 102 can be even more efficient with the use of weather predictions of the outside temperature and solar radiation over 24 hours.
- the solar radiation can be deduced from an illuminance measurement via a lux meter.
- the method aims to detect overheating dynamics by means of temperature information, this being solely derived from measurements of the interior temperature T of the building, i.e. excluding information on the temperature outside the building in question.
- the comfort temperature range is within the interval [16°, 30°], for example the interval [19°, 27°], preferably the interval [21°, 26°].
- the management method aims to modify the position of the solar protections 3 so as to limit an increase in the interior temperature T, so that it remains within the comfort temperature range while preserving visual comfort for users.
- the method acts on the solar protections 3 when an overheating situation Sc linked to solar radiation a is effective or when it is likely to occur. More specifically, the method places the solar protections 3 in the deployed position at least partially when an overheating dynamic Dsc is detected.
- the overheating dynamic Dsc corresponds in particular to an observed increase in the interior temperature T, i.e. a rate of increase in temperature (typically in °C/h). It is characterized by an overheating dynamic parameter PDsc.
- the method only acts when the overheating dynamics Dsc are linked to the solar radiation a in order to preserve the visual comfort of the users, the method therefore acts over a period of day. It is indeed useless, and has no effect on the indoor temperature T, to close the solar protections 3 if the overheating dynamics Dsc and/or the overheating situation Sc results from other phenomena such as the start-up of active elements, or activities carried out inside the building 1. Closing or deploying the solar protections 3 in these cases would significantly reduce the visual comfort of the users.
- the indoor temperature T is influenced by various phenomena, including: outdoor climatic conditions, including irradiance from outdoor objects; air conditioning and heating devices; activities carried out inside the building.
- Figure 4 illustrates the time lag due to the inertia of building 1 between an increase A in solar radiation a, and an increase B in the interior temperature T.
- the instantaneous indoor temperature T as a marker of an overheating dynamic Dsc linked to the solar radiation a transmitted through the glazing of the opening 108 of the building 1.
- a comparison of the indoor temperature T with the maximum value T c + of the comfort temperature range for example can make it possible to detect an effective overheating situation Sc but does not make it possible to indicate whether this overheating is linked to the solar radiation a or to another phenomenon such as the operation of an oven in a living room, or to an inertia of the building 1 for example.
- building 1 can be in both an overheating situation Sc, and in an overheating dynamic Dsc, or only in an overheating situation Sc or in an overheating dynamic Dsc.
- the indoor temperature T can still be higher than the maximum value T c + of the comfort temperature range, i.e. the building 1 can still be in an overheating situation Sc.
- the building 1 can still be in an overheating situation Sc.
- the method according to the invention comprises a measuring step which measures and records the interior temperature T over time.
- these temperatures T are recorded in a memory of the management unit.
- the method also comprises a comparison step determining the overheating dynamics parameter PDsc which is representative of a detection of an actual or future overheating situation Sc inside the building.
- the solar protection 3 takes a deployed position when the overheating dynamics parameter PDsc is in an active state.
- the solar protection 3 can take a folded position or remain in its position.
- the overheating dynamics parameter PDsc is determined on the basis of temperature information, this being only the indoor temperature T of the building considered. More precisely, the temperature information is only derived from a succession of indoor temperature measurements spaced by a sampling time interval, the latter preferably being between Oh and 1 h, for example 15 minutes.
- the superheating dynamics parameter PDsc is determined at least as a function of a comparison of an evolution of the interior temperature T over a first time interval t1 with a superheating speed Vsc.
- the first time interval t1 is between Oh and 3h, preferably between Oh and 1h, for example 30min.
- the evolution of the interior temperature T over the first time interval t1 is determined by a slope of a straight line calculated by a least squares method of the interior temperature T over the first time interval t1.
- the superheating rate Vsc is determined, or calibrated, so as to be representative of a superheating dynamic Dsc of the building 1 linked to solar radiation a.
- the superheating rate Vsc is expressed by a temperature over a duration, for example in °C/h.
- the superheating rate is positive or zero.
- the superheating rate Vsc is constant over the first time interval.
- the overheating rate Vsc depends on the measured interior temperature T.
- the overheating rate Vsc depends on an average value T mO y of the interior temperature T measured over a second time interval.
- the second time interval is between Oh and 3h, preferably between Oh and 1h, for example 30min.
- the first time interval t1 is equal to the second time interval.
- the superheating rate Vsc is calculated by the formula below:
- Vsc the superheating rate in °C/h
- Tc + the maximum value of the comfort temperature range t1 : the first time interval
- Tmo y the average value of the indoor temperature T measured over a second time interval.
- the closer the indoor temperature T is to the maximum value Tc + of the comfort temperature range the less an increase in the indoor temperature T is allowed, and the more the solar protections 3 are closed.
- the superheating dynamics parameter PDsc is also determined based on a comparison of a value representative of the interior temperature T with a superheating temperature range [Tse-, Tsc + ].
- the representative value of the interior temperature T is determined by an average T mO y3 of the interior temperature over a third time interval.
- the third time interval is between Oh and 3h, preferably between Oh and 1h, for example 30min.
- the first time interval t1 is equal to the third time interval.
- the second time interval is equal to the third time interval.
- the superheat temperature range [Tse-, Tsc + ] includes at least a low superheat temperature threshold Tse- and an high superheat temperature threshold Tsc + .
- the superheating temperature range [Tse-, T sc + ] is in the range [16°, 30°], for example the range [19°, 27°], preferably the range [21°, 26°]. According to one embodiment, the superheating temperature range [Tse-, T sc + ] corresponds to the comfort temperature range.
- the superheat dynamics parameter PDsc varies depending on whether the representative value of the interior temperature T is below, within or above the temperature range of overheating [Tse-, T sc + ]. In particular, the superheating dynamics parameter PDsc also varies depending on the value of the indoor temperature T in the superheating temperature range [Tse-, T sc + ].
- the superheating dynamics parameter PDsc is in the active state when the change in the interior temperature T over the first time interval t1 is greater than the superheating speed Vsc.
- the superheat dynamics parameter PDsc is in the active state when the value representative of the interior temperature T is included in the superheat temperature range [Tse-, Tsc + ].
- the superheating dynamics parameter PDsc is in the active state when the value representative of the interior temperature T is greater than a high threshold of superheating temperature T sc + of the superheating temperature range [Tse-, T sc + ] and the evolution of the interior temperature T over the first time interval t1 is greater than zero.
- the superheat dynamics parameter PDsc is in the active state when: [Math 2]
- Tse — T avg3 > T sc and D T > V sc
- Tmoy3 > Tg C and D T > 0
- Vsc the superheating rate in °C/h
- Tsc + the upper threshold of the overheating temperature range
- Tsc the lower threshold of the overheating temperature range
- Tmoys the average value of the indoor temperature T measured over the third time interval
- the superheating dynamics parameter is in the active state. This is shown in Figure 6.
- the PDsc superheat dynamics parameter is in the active state when: [Math 4]
- Tmoys the average value of the indoor temperature T measured over the third time interval
- the overheating dynamic parameter is in the active state.
- the method also comprises a step of detecting a sustainable overheating dynamics in which a sustainable overheating dynamics parameter PDDsc is in an active state when the overheating dynamics parameter PDsc is itself in an active state for a sustainable overheating duration over a fourth time interval.
- a sustained overheating dynamic is defined as the detection of the PDsc overheating dynamic parameter maintained, continuously or fractionally, in an active state for a sustained overheating duration over a fourth time interval.
- the sustained overheating time is less than or equal to the fourth time interval.
- the fourth time interval is between Oh and 3h, preferably between Oh and 1h, for example 30min.
- the duration of sustainable overheating is between Oh and 3h, preferably between Oh and 1h, for example 30min.
- a new implementation of the method may be planned.
- a new control order may be issued if the overheating dynamics continue to be detected.
- the implementation of the method can thus be repeated, preferably once and once only, to maintain the thermal control situation without, however, persistently opposing the wishes of the user.
- control step defines the position to be taken or in other words controls the position taken by the solar protection according to the sustainable overheating dynamics parameter PDDsc.
- the method contributes to the prevention of overheating situations in a building, particularly during a summer season and limits false detections of overheating dynamics.
- the management method P1 also comprises:
- the EDS season detection step makes it possible to determine the current season s, and in particular whether the current season is winter H.
- the detection of season s is carried out by an analysis of the evolution of the interior temperature T.
- the exterior brightness L is measured so as to determine a time of day MJ, and in particular whether the time of day MJ is night N.
- the exterior brightness L can be measured using a sensor positioned outside the building 1 on the sun protection 3.
- the method according to the invention does not require a connection to a remote network, such as for example an Internet network, to operate efficiently.
- the solar protection 3 takes the deployed position when the exterior brightness L is greater than a daytime threshold and the determined season s is different from winter H, if an overheating dynamic detection takes place.
- the solar protection 3 is put in the deployed position if an overheating dynamic is detected in order to limit the discomfort due to this increase in temperature T.
- the sun protection 3 takes the deployed position when the exterior brightness L is lower than a night threshold and the determined season s is winter H. When the exterior brightness L is lower than the night threshold, the time of day MJ is night N.
- the solar protection 3 is maintained in its position when the exterior brightness L is greater than a daytime threshold and the determined season s is winter H, if an overheating dynamic takes place.
- the position of the solar protection 3 is not modified even if an overheating dynamic is detected. This allows you to take full advantage of the sometimes significant heat that can be brought by significant solar radiation.
- the night threshold is equal to the day threshold.
- the method determines whether the time of day MJ is night N or day.
- the method is reliable while being implemented from a local control unit 12, not connected to an external network and integrating a temperature measuring device 104 as well as the hardware and software means for implementing the method, such as a microprocessor and a memory in which the software means are stored.
- Such a local control unit 12 is shown according to a first embodiment in FIG. 7 and according to a second embodiment in FIG. 8.
- the local control unit 12 may comprise: a base; a control button 125 comprising at least two support zones 126, 127, in particular substantially orthogonal to a main plane P of the local control unit 12; a management unit 102; a temperature measuring device 104.
- a pressing force on the control button 125 causes a movement of the relevant pressing zone 126, 127 from a stable inactive position occupied by the control button 125 at rest (i.e. when it is not actuated), to an unstable active position, in which an electrical contactor is activated.
- the local control unit 12 may also comprise, as illustrated in FIG. 8: a slider button 101 comprising a base 122 and a manual actuation element 103 projecting from the base 122, the slider button 101 having in particular a degree of freedom in a direction where it can be maneuvered to move along a movement axis A1; a light 105 formed in a wall 134 of the control button 125, said light 105 being crossed by the manual actuation element 103 in order to authorize the maneuvering of the manual actuation element 103 on the surface of the control button 125;
- the slider button 101 is mounted to move relative to the light 105, in particular in translation in the main plane of the control button, so as to vary between a first stable position and a second stable position located at the two ends of the light 105. In at least one of these two stable positions of the slider button 101, an electrical contactor is activated, which makes it possible to distinguish the position in which the slider button is located relative to the light.
- the management process can be implemented freely during hot periods of the year and manually deactivated during colder periods, to avoid misunderstandings linked to particularly hot days in the cool season, when the user would rather favour solar inputs.
- the management method can involve a clock, embedded in the management unit, to determine a reference time from which one or two maximum commands to close the at least one solar protection over a period of 24 hours can be implemented when an overheating dynamic is detected.
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Structural Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Air Conditioning Control Device (AREA)
- Control Of Temperature (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP24732744.8A EP4720790A1 (fr) | 2023-05-30 | 2024-05-24 | Algorithme de détection d'une surchauffe à partir d'une mesure de température intérieure |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2305366A FR3149396B1 (fr) | 2023-05-30 | 2023-05-30 | Algorithme de détection d’une surchauffe à partir d’une mesure de température intérieure |
| FRFR23/05366 | 2023-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024246453A1 true WO2024246453A1 (fr) | 2024-12-05 |
Family
ID=87748296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2024/050668 Ceased WO2024246453A1 (fr) | 2023-05-30 | 2024-05-24 | Algorithme de détection d'une surchauffe à partir d'une mesure de température intérieure |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4720790A1 (fr) |
| FR (1) | FR3149396B1 (fr) |
| WO (1) | WO2024246453A1 (fr) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130204442A1 (en) * | 2010-11-19 | 2013-08-08 | Nest Labs, Inc. | Hvac controller configurations that compensate for heating caused by direct sunlight |
| EP2682824A2 (fr) * | 2012-07-06 | 2014-01-08 | Delta Dore | Procédé et dispositif de commande d au moins un dispositif d occultation d au moins une ouverture d une pièce d un bâtiment |
| FR3009013A1 (fr) * | 2013-07-24 | 2015-01-30 | Somfy Sas | Procede de commande d’un actionneur pour un equipement mobile |
| US20180031264A1 (en) * | 2016-07-27 | 2018-02-01 | Johnson Controls Technology Company | Heating, ventilating, and air conditioning system override systems and methods |
| EP3276266B1 (fr) * | 2016-07-26 | 2021-08-25 | Danfoss A/S | Procédé pour commander un système de chauffage ou de refroidissement et système de chauffage ou de refroidissement |
-
2023
- 2023-05-30 FR FR2305366A patent/FR3149396B1/fr active Active
-
2024
- 2024-05-24 EP EP24732744.8A patent/EP4720790A1/fr active Pending
- 2024-05-24 WO PCT/FR2024/050668 patent/WO2024246453A1/fr not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130204442A1 (en) * | 2010-11-19 | 2013-08-08 | Nest Labs, Inc. | Hvac controller configurations that compensate for heating caused by direct sunlight |
| EP2682824A2 (fr) * | 2012-07-06 | 2014-01-08 | Delta Dore | Procédé et dispositif de commande d au moins un dispositif d occultation d au moins une ouverture d une pièce d un bâtiment |
| FR3009013A1 (fr) * | 2013-07-24 | 2015-01-30 | Somfy Sas | Procede de commande d’un actionneur pour un equipement mobile |
| EP3276266B1 (fr) * | 2016-07-26 | 2021-08-25 | Danfoss A/S | Procédé pour commander un système de chauffage ou de refroidissement et système de chauffage ou de refroidissement |
| US20180031264A1 (en) * | 2016-07-27 | 2018-02-01 | Johnson Controls Technology Company | Heating, ventilating, and air conditioning system override systems and methods |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4720790A1 (fr) | 2026-04-08 |
| FR3149396A1 (fr) | 2024-12-06 |
| FR3149396B1 (fr) | 2025-06-06 |
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