EP2653012A1 - Systeme de commande de vitrages actifs gerant la couleur de la lumiere dans un batiment - Google Patents
Systeme de commande de vitrages actifs gerant la couleur de la lumiere dans un batimentInfo
- Publication number
- EP2653012A1 EP2653012A1 EP11817329.3A EP11817329A EP2653012A1 EP 2653012 A1 EP2653012 A1 EP 2653012A1 EP 11817329 A EP11817329 A EP 11817329A EP 2653012 A1 EP2653012 A1 EP 2653012A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control
- value
- sensor
- optical transmission
- lighting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
- H05B45/22—Controlling the colour of the light using optical feedback
Definitions
- the present invention relates to the field of the control of the brightness inside buildings. BACKGROUND OF THE INVENTION
- the glazing of buildings has the disadvantage of contributing to the heating of buildings in summer and their cooling in winter.
- Glazing with variable optical properties addresses this problem.
- active glazings called “intelligent”
- optical transmission properties that can be modified, for example electrically.
- US-A-2007/0067048 describes a control system of electrochromic glazing designed to minimize the energy consumption of the building while ensuring a certain brightness inside the building.
- the electrochromic glazings modify the spectral distribution of the transmitted light, which can be a disadvantage, even if a user does not necessarily perceive it.
- An object of the present invention is to provide an active system with electrically controllable optical transmission properties to equip a room of a building to avoid the drawbacks of a spectral distribution shift of the light in the room and this even if offset is not noticeable to the user.
- the lighting control system comprises:
- control unit comprising a memory on which control programs are recorded, the control programs being able to control the optical transmission through an active glazing with electrically controllable optical transmission properties, the control programs being able to control a device electrically controllable lighting;
- a coloring sensor for measuring a value representative of a coloration of a light and supplying this value to the control unit, the control programs being able to control the lighting generated by the lighting device as a function of the value provided by the color sensor.
- the cell comprises one or more of the following characteristics, taken in isolation or in any technically possible combination:
- control programs are able to control the lighting device so that it generates illumination whose coloring is such that the illumination generated by the lighting device brings the coloration of the light measured by the color staining sensor closer together.
- control programs are able to control the lighting device to generate different staining lights according to the value provided by the staining sensor;
- the lighting device comprises an artificial light source
- the lighting device comprises at least one colored LED, preferably several LEDs of different colors, the control programs being able to control the intensity of the lighting of the at least one a color LED according to the value provided by the color sensor;
- the lighting device comprises a reflector reflecting the external light inwards in an electrically controllable manner, for example an electrically controllable and reflective venetian blind;
- control programs are able to control the optical transmission through the active glazing according to the value provided by the color sensor;
- control programs are capable of controlling a plurality of active glazings with electrically controllable optical transmission properties, the control programs being able to control said active glazings so that one of said active glazings receives an optical transmission value setpoint other than that of another of said active glazings;
- the staining sensor provides a CRI value or a representative value of at least a * or b * of the staining system (L * , a * , b * ) or a representative value of at least X, Y or Z the system ( ⁇ , ⁇ , ⁇ ) or a representative value of at least u * or v * of the system (L * , u * , v * );
- the system comprises a brightness sensor for providing a value representative of brightness, the control programs being able to control the optical transmission through the active glazing as a function of the representative value of brightness provided by the brightness sensor;
- the system comprises a temperature sensor for providing a representative temperature value, the control programs being able to control the optical transmission through said active glazing as a function of the representative temperature value provided by the temperature sensor;
- the system comprises a glare sensor for providing a representative glare value, the control programs being able to control the optical transmission through said active glazing as a function of the representative glare value provided by the glare sensor .
- the subject of the invention is also an assembly comprising an active glazing unit with electrically controllable optical transmission properties, a device lighting system and a control system for controlling the active glazing and the lighting device, the control system being as described above.
- the invention further relates to a method for controlling an active glazing unit with electrically controllable optical transmission properties and a lighting device comprising the steps of:
- the method comprises one or more of the following characteristics, taken separately or in any technically possible combination:
- the step of controlling the generated lighting consists in controlling the lighting device to generate a light whose spectral distribution is such that the illumination generated by the lighting device at least partially neutralizes the offset of the spectral distribution of the light transmitted through the at least one active glazing unit;
- the illumination generated has a coloration adapted so that the lighting device brings the coloration of the light measured by the coloring sensor closer to a reference value;
- the lighting is controlled to generate different coloring lights according to the value provided by the color sensor;
- the lighting device comprises an artificial light source
- the lighting device comprises at least one colored LED, preferably several LEDs of different colors, the intensity of the illumination of the at least one color LED being controlled according to the value provided by the sensor of coloring;
- the lighting device comprises a reflector reflecting the external light inwards in an electrically controllable manner, for example an electrically controllable and reflective venetian blind;
- the optical transmission through the active glazing is controlled according to the value provided by the color sensor
- the staining sensor provides a CRI value or a representative value of at least a * or b * of the staining system (L * , a * , b * ) or a representative value of at least X, Y or Z the system ( ⁇ , ⁇ , ⁇ ) or a representative value of at least u * or v * of the system (L * , u * , v * );
- the system comprises a brightness sensor for providing a representative brightness value, the optical transmission through the active glazing being controlled according to the representative brightness value provided by the brightness sensor;
- the system comprises a temperature sensor for providing a representative temperature value, the optical transmission through said active glazing being controlled according to the representative temperature value provided by the temperature sensor;
- the system comprises a glare sensor for providing a representative glare value, the optical transmission through said active glazing being controlled according to the representative dazzling value provided by the glare sensor.
- FIG. 1 is a diagram of a device according to the invention.
- the part is equipped with several active glazings 2 with electrically controllable optical transmission properties, more particularly electrochromic glazings, and an electrically controllable lighting device 4.
- the lighting control system 1 controls the active glazing 2 and the lighting device 4.
- the system 1 described relates to a single room but, more generally, the control system 1 can control the lighting of several rooms of a building.
- Electrochromic glazings 2 are glazings including an electrochemically active device chemically reactive to the application of a power supply. The optical transmission of an electrochromic glazing 2 is thus electrically controlled.
- optical domain is meant the visible, infrared and ultraviolet domains.
- EP-0 253 713 and EP-0 670 346, EP-0 382 623, EP-0 518 754 or EP-0 532 408 disclose mixed electrochromic devices.
- EP-0 831 360 and WO-A-00/03290 disclose solid electrochromic devices.
- the electrochromic device is a so-called "all solid" device.
- Such a device has the advantage of being durable, being inorganic layers.
- Such a device also has the advantage of allowing to minimize the number of substrates, the layers being deposited on a single substrate.
- the windows 2 are not necessarily electrochromic.
- the control system comprises a control unit 10 provided with a memory 12 on which are recorded control programs of the active glazings 2, that is to say of the optical transmission through the active glazing 2.
- the order of active glazing 2 is conventionally achieved by sending a target voltage across the glazing 2, different voltage values controlling different states of optical transmission through the glazing 2.
- the control system 1 further comprises a light coloring sensor 14 in the room and the programs are adapted to order the active glazing 2 according to the color value provided by the color sensor 14.
- the coloring sensor 14 is advantageously placed in an area of the room whose coloring is to be controlled, for example at a working place such as an office.
- the color sensor 14 is for example a sensor providing a CRI (Color Rendering Index) value, for example the Ra or R96a value of the CIE (International Commission on Illumination).
- CRI Color Rendering Index
- a sensor providing a color value of any suitable type, for example a value in a coloring system defined by the CIE, for example a value of L *, a * and b * in the system (L *, a *, b *) of the CIE or a value of X, Y and Z in the CIE system XYZ or a value of L *, u * and v * in the system (L *, u * , v *) of the CIE.
- a color value of any suitable type for example a value in a coloring system defined by the CIE, for example a value of L *, a * and b * in the system (L *, a *, b *) of the CIE or a value of X, Y and Z in the CIE system XYZ or a value of L *, u * and v * in the system (L *, u * , v *) of the CIE.
- This system has been specially designed so that the distances calculated between colors correspond to the differences perceived by the human eye, for example, the combination L * is the lightness, which goes from 0 (black) to 100 (white), the component a * represents the range of the red axis (positive value) ⁇ green (negative) passing through the white (0) if the brightness is 100 and the component b * represents the range of the yellow axis (positive value) ⁇ blue (negative) passing through the white (0) if the clarity is 100.
- the coloring sensor 14 is capable of providing a value representative of a color or "chrominance" of the light received by the sensor, that is to say of giving a chromatic indication relating to this light. .
- value is understood throughout the text broadly. This is a value of any suitable type. This is for example a single numerical value, or a set of values such as a vector or a matrix.
- control programs are able to control the lighting device 4 so that it generates a lighting whose coloration is such that the illumination generated by the lighting device 4 brings the coloration of the light measured by the color sensor closer 14 of a reference value which is for example predetermined or calculated.
- the light transmitted by the active glazing 2 is shifted towards blue, the light of the lighting device 4 will for example be shifted towards the red relative to the light transmitted by the active glazing 2.
- the lighting device 4 comprises for example LEDs, for example several colored LEDs, for example to control the color of the lighting by the intensity of each color LED.
- it is a lighting device 4 whose color rebalances the color of the light analyzed by the color sensor to a desired lighting coloration.
- the coloring of the illumination generated by the lighting device 4 is adjustable, in the case of artificial lighting.
- the system 1 comprises an electrically controllable lighting device 4 providing natural light.
- This is for example a device reflecting the external light with an adjustable angle, for example an electrically controllable venetian blind and able to reflect the external light inwards.
- the device 4 is advantageously configured and arranged to reflect the external light to the ceiling of the room.
- This device 4 is for example positioned in front of a clear glass or tinted with a chosen color to bring the light in the room of a particular color, for example of the white color.
- the system 1 controls the active glazing 2 independently of the value provided by the color sensor 14. The effects of the coloring are corrected but not their cause.
- the system 1 controls the active glazings as a function of the color value provided by the coloring sensor 14.
- the system thus acts on the cause if the color variation is judged to be unacceptable, for example under consideration. other criteria such as brightness in the room.
- the control system 1 further includes, for example, a brightness sensor for providing a representative brightness value in the room, and / or a temperature sensor for providing a representative temperature value in the room, and / or a room temperature sensor. glare to provide a representative glare value in the room.
- control programs are then able to control the optical transmission through the active glazing according to the representative values of coloration, brightness and / or temperature and / or glare.
- the sensors are of any suitable type.
- a presence sensor of a person in the room can also be used.
- the glare sensor is for example a digital camera associated with a processing unit capable of providing a glare value, for example in DGI.
- the DGI glare value is defined as
- DGI lOLogl 0.478 ⁇ [(LW 1 6 * ⁇ 06 ) / ( ⁇ + 0.07 * (û * with
- the evaluation of the importance of glare can be performed using different values. These values have been developed to characterize the physical sensation of glare. These different values could be used independently or in addition to each other:
- DGR Discomfort Glare Rating
- VCP Visual Comfort Probability
- CIE International Commission on Illumination
- CIE Technical Committee TC-3.13, Division 4, Interior Environment and Lighting design
- the brightness sensor is for example placed inside the room. Alternatively, however, the sensor is placed outside the building.
- the temperature sensor is preferably placed inside the room.
- the presence sensor is alternatively replaced by a clock, the presence in a room being assimilated to a predetermined time range.
- the glare sensor can be a brightness sensor, preferably outside the building, associated with a clock.
- the clock makes it possible to determine the position of the sun in the sky and thus the glare value as a function of the measured luminosity value.
- the system may include one or more sensors of each type.
- the function of several sensors can also be performed by a single device.
- a CCD camera can for example provide both the glare sensor function and the brightness sensor.
- a sensor A and a sensor B should not be understood as involving two necessarily separate devices. It can be the same device providing two measurements. It is the same for the term "unity”.
- the part may also be equipped with occulting means such as blinds, curtains, PDLCD windows, etc., the control system 1 being able to control also the concealment means.
- occulting means such as blinds, curtains, PDLCD windows, etc.
- control system comprises only one or a combination of several of the sensors above.
- the glare sensor is for example a digital camera associated with a processing unit capable of providing a glare value, for example in DGI.
- the DGI glare value is defined as:
- DGI lOLogl 0.478V [(LW 1 6 * ⁇ 06 ) / ⁇ Lb + 0.07 * ⁇ *
- the invention also relates to a part of a building equipped with at least one active glazing with electrically controllable optical transmission properties, a lighting device and a control system for controlling the active glazing and the lighting device, the control system being according to any one of the preceding claims.
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1060626A FR2969325B1 (fr) | 2010-12-16 | 2010-12-16 | Systeme de commande de vitrages actifs gerant la couleur de la lumiere dans un batiment |
PCT/FR2011/052978 WO2012080656A1 (fr) | 2010-12-16 | 2011-12-14 | Systeme de commande de vitrages actifs gerant la couleur de la lumiere dans un batiment |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2653012A1 true EP2653012A1 (fr) | 2013-10-23 |
Family
ID=44072539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11817329.3A Withdrawn EP2653012A1 (fr) | 2010-12-16 | 2011-12-14 | Systeme de commande de vitrages actifs gerant la couleur de la lumiere dans un batiment |
Country Status (6)
Country | Link |
---|---|
US (1) | US9226366B2 (fr) |
EP (1) | EP2653012A1 (fr) |
JP (1) | JP2014503952A (fr) |
CN (1) | CN103370986A (fr) |
FR (1) | FR2969325B1 (fr) |
WO (1) | WO2012080656A1 (fr) |
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US8213074B1 (en) | 2011-03-16 | 2012-07-03 | Soladigm, Inc. | Onboard controller for multistate windows |
US11592723B2 (en) | 2009-12-22 | 2023-02-28 | View, Inc. | Automated commissioning of controllers in a window network |
US11314139B2 (en) | 2009-12-22 | 2022-04-26 | View, Inc. | Self-contained EC IGU |
US20130271813A1 (en) | 2012-04-17 | 2013-10-17 | View, Inc. | Controller for optically-switchable windows |
US10935865B2 (en) | 2011-03-16 | 2021-03-02 | View, Inc. | Driving thin film switchable optical devices |
US11630367B2 (en) | 2011-03-16 | 2023-04-18 | View, Inc. | Driving thin film switchable optical devices |
US8705162B2 (en) | 2012-04-17 | 2014-04-22 | View, Inc. | Controlling transitions in optically switchable devices |
US9454055B2 (en) | 2011-03-16 | 2016-09-27 | View, Inc. | Multipurpose controller for multistate windows |
US9412290B2 (en) | 2013-06-28 | 2016-08-09 | View, Inc. | Controlling transitions in optically switchable devices |
US9645465B2 (en) | 2011-03-16 | 2017-05-09 | View, Inc. | Controlling transitions in optically switchable devices |
US9778532B2 (en) | 2011-03-16 | 2017-10-03 | View, Inc. | Controlling transitions in optically switchable devices |
US9030725B2 (en) | 2012-04-17 | 2015-05-12 | View, Inc. | Driving thin film switchable optical devices |
US8254013B2 (en) | 2011-03-16 | 2012-08-28 | Soladigm, Inc. | Controlling transitions in optically switchable devices |
US11054792B2 (en) | 2012-04-13 | 2021-07-06 | View, Inc. | Monitoring sites containing switchable optical devices and controllers |
WO2013059674A1 (fr) | 2011-10-21 | 2013-04-25 | View, Inc. | Atténuation de choc thermique dans des fenêtres pouvant être colorées |
US11635666B2 (en) | 2012-03-13 | 2023-04-25 | View, Inc | Methods of controlling multi-zone tintable windows |
US11950340B2 (en) * | 2012-03-13 | 2024-04-02 | View, Inc. | Adjusting interior lighting based on dynamic glass tinting |
US9638978B2 (en) | 2013-02-21 | 2017-05-02 | View, Inc. | Control method for tintable windows |
US11300848B2 (en) | 2015-10-06 | 2022-04-12 | View, Inc. | Controllers for optically-switchable devices |
US10964320B2 (en) | 2012-04-13 | 2021-03-30 | View, Inc. | Controlling optically-switchable devices |
US11674843B2 (en) | 2015-10-06 | 2023-06-13 | View, Inc. | Infrared cloud detector systems and methods |
CN113362585A (zh) | 2012-04-13 | 2021-09-07 | 唯景公司 | 用于控制可光学切换的装置的应用 |
US10503039B2 (en) | 2013-06-28 | 2019-12-10 | View, Inc. | Controlling transitions in optically switchable devices |
US10048561B2 (en) | 2013-02-21 | 2018-08-14 | View, Inc. | Control method for tintable windows |
US11966142B2 (en) | 2013-02-21 | 2024-04-23 | View, Inc. | Control methods and systems using outside temperature as a driver for changing window tint states |
US11719990B2 (en) | 2013-02-21 | 2023-08-08 | View, Inc. | Control method for tintable windows |
US11960190B2 (en) | 2013-02-21 | 2024-04-16 | View, Inc. | Control methods and systems using external 3D modeling and schedule-based computing |
US9885935B2 (en) | 2013-06-28 | 2018-02-06 | View, Inc. | Controlling transitions in optically switchable devices |
KR101480948B1 (ko) | 2013-12-26 | 2015-01-14 | 전자부품연구원 | 스마트 윈도우 |
US10221612B2 (en) | 2014-02-04 | 2019-03-05 | View, Inc. | Infill electrochromic windows |
US20160333636A1 (en) | 2014-02-20 | 2016-11-17 | Saes Getters S.P.A. | Active building window |
EP3114640B1 (fr) | 2014-03-05 | 2022-11-02 | View, Inc. | Surveillance de sites comprenant des dispositifs optiques commutables et des organes de commande |
JP6252284B2 (ja) * | 2014-03-24 | 2017-12-27 | 東芝ライテック株式会社 | 照明システムおよび照明システムユニット |
WO2016046042A1 (fr) * | 2014-09-24 | 2016-03-31 | Domoticware, S.L.U. | Dispositifs et procédés pour réaliser un équilibre entre la conservation et la présentation d'objets sensibles à la lumière |
TWI823168B (zh) | 2015-07-07 | 2023-11-21 | 美商唯景公司 | 用於可著色窗戶之控制方法 |
US11255722B2 (en) | 2015-10-06 | 2022-02-22 | View, Inc. | Infrared cloud detector systems and methods |
JP7024947B2 (ja) | 2015-10-29 | 2022-02-24 | ビュー, インコーポレイテッド | 光学的に切り替え可能なデバイス用のコントローラ |
US11482147B2 (en) | 2016-04-29 | 2022-10-25 | View, Inc. | Calibration of electrical parameters in optically switchable windows |
EP3586574A4 (fr) * | 2017-02-27 | 2021-01-06 | View, Inc. | Ajustement de l'éclairage intérieur sur la base d'une coloration dynamique du verre |
US11513412B2 (en) | 2017-04-26 | 2022-11-29 | View, Inc. | Displays for tintable windows |
TW202206925A (zh) | 2020-03-26 | 2022-02-16 | 美商視野公司 | 多用戶端網路中之存取及傳訊 |
US11631493B2 (en) | 2020-05-27 | 2023-04-18 | View Operating Corporation | Systems and methods for managing building wellness |
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FR2601150B1 (fr) | 1986-07-04 | 1991-05-31 | Saint Gobain Vitrage | Vitrage a transmission variable du type electrochrome |
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FR2642890B1 (fr) | 1989-02-09 | 1991-04-12 | Saint Gobain Vitrage | Materiau colloide conducteur de cations alcalins et applications a titre d'electrolytes |
JPH0816748B2 (ja) | 1990-08-29 | 1996-02-21 | 株式会社日本製鋼所 | 光学素子 |
FR2677800B1 (fr) | 1991-06-14 | 1993-08-20 | Saint Gobain Vitrage Int | Materiau solide conducteur ionique, a partir d'un polymere et d'un sel de cation alcalin, application comme electrolyte. |
EP0532408A1 (fr) | 1991-09-13 | 1993-03-17 | Saint-Gobain Vitrage International | Polymère conducteur protonique, application en tant qu'électrolyte dans des dispositifs électrochimiques |
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2010
- 2010-12-16 FR FR1060626A patent/FR2969325B1/fr not_active Expired - Fee Related
-
2011
- 2011-12-14 EP EP11817329.3A patent/EP2653012A1/fr not_active Withdrawn
- 2011-12-14 CN CN2011800677810A patent/CN103370986A/zh active Pending
- 2011-12-14 WO PCT/FR2011/052978 patent/WO2012080656A1/fr active Application Filing
- 2011-12-14 JP JP2013543860A patent/JP2014503952A/ja active Pending
- 2011-12-14 US US13/995,039 patent/US9226366B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2001036864A2 (fr) * | 1999-11-18 | 2001-05-25 | Color Kinetics | Systemes et procedes de generation et de modulation des conditions d'eclairage |
Also Published As
Publication number | Publication date |
---|---|
FR2969325A1 (fr) | 2012-06-22 |
JP2014503952A (ja) | 2014-02-13 |
US20130264948A1 (en) | 2013-10-10 |
WO2012080656A1 (fr) | 2012-06-21 |
US9226366B2 (en) | 2015-12-29 |
FR2969325B1 (fr) | 2013-08-16 |
CN103370986A (zh) | 2013-10-23 |
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