EP4150262A1 - Dunstabzugshaube und verfahren zum betreiben einer dunstabzugshaube - Google Patents
Dunstabzugshaube und verfahren zum betreiben einer dunstabzugshaubeInfo
- Publication number
- EP4150262A1 EP4150262A1 EP21726338.3A EP21726338A EP4150262A1 EP 4150262 A1 EP4150262 A1 EP 4150262A1 EP 21726338 A EP21726338 A EP 21726338A EP 4150262 A1 EP4150262 A1 EP 4150262A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flap
- hood
- extractor hood
- sensor
- extractor
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
Definitions
- the present invention relates to an extractor hood and a method for operating an extractor hood.
- extractor hoods that are mounted above a hob.
- Known extractor hoods generally have a hood body which can also be referred to as a viewing hood and in which filter elements can be provided.
- a fan which can also be referred to as a blower and through which air can be sucked into the hood body, is provided above the hood body or also partially in the hood body.
- a flap on the hood body which serves as an air guiding element and by means of which the area of the hood body can be enlarged if necessary or prevented from flowing past the hood body via the vapor can be.
- a flap can also be provided on an extractor hood, which flap serves as a holder or panel for a control unit.
- Switches can be used to detect whether the flap is in the closed, i.e. folded-in state.
- Microswitches or limit switches or reed switches for example, are known as switches. These switches can be operated when the closed state is reached.
- the switches are mechanically attached in some way to the air guide element or the hood body.
- the switch must be switched by mechanical actuation or, in the case of a reed switch, by a magnet.
- only one position of the flap can generally be reliably evaluated. In particular, when the flap is open, it is recognized that the flap is not closed because the switch is not actuated. However, no information is received about whether the flap is, for example, completely unfolded. If the flap is closed, this is recognized by actuating the switch.
- a disadvantage of the known extractor hoods and the available detection mechanisms for the state of the flap is that they must have a complex structure and only two states of the flap can be recognized (open / closed).
- the object of the present invention is therefore to create a solution in which, with a simple construction of the extractor hood, the operation of the extractor hood is made easier.
- the invention is based on the knowledge that this object can be achieved by taking into account specific states of a flap for actuating the extractor hood.
- an extractor hood which has a control unit for controlling at least one functional unit of the extractor hood, a hood body and at least one flap pivotably attached to the hood body.
- the extractor hood is characterized in that at least one sensor is arranged on the flap to detect the state of the flap, that the sensor is an acceleration sensor and is connected to the control unit of the extractor hood in such a way that at least one functional unit of the extractor hood is based on the detected state of the flap is controlled by the control unit.
- An extractor hood is an extractor hood that is installed above a hob.
- the extractor hood can represent, for example, a forge, a substructure hood, an intermediate hood or a flat screen hood.
- An extractor hood is referred to as a chimney, in which an extractor housing adjoins the hood body, which can also be referred to as a viewing hood, in which at least a part of the fan of the extractor hood is accommodated.
- the viewing hood can have a box shape.
- the extractor hood is also known as a box hood.
- the viewing hood can, however, be arranged at an incline.
- the extractor hood can also be referred to as a sloping hood.
- the part of the extractor hood through which air is sucked in and directed into the interior of the extractor hood is referred to as the hood body or viewing hood.
- the part in which at least one filter element of the extractor hood is provided is referred to as the hood body.
- the extractor hood has a control unit for controlling at least one functional unit of the extractor hood.
- the control unit can also be referred to as a controller.
- the at least one functional unit of the extractor hood is in particular the fan of the extractor hood or a lighting device of the extractor hood.
- Each functional unit can have its own control unit. However, all functional units of the extractor hood are preferably controlled via a common control unit. Actuating the functional unit, in particular activating and deactivating the functional unit or setting or selecting operating states of the functional unit, is referred to as actuation of the functional unit.
- the fan level of the fan or the brightness of the lighting device can be set by the control unit.
- the extractor hood has at least one flap which is pivotably attached to the hood body.
- a surface element is called a flap.
- the flap can represent an air guiding element via which air can be guided to the hood body and in particular to a suction opening in the hood body.
- the flap can also serve as a holder or cover for, for example, an operating part, a display unit or a lighting device.
- the flap is preferably a plate that can be made of plastic or glass, for example.
- the invention is described below essentially with reference to a flap which is an air guiding element. However, the statements also apply - if applicable - to a flap which additionally or alternatively serves as a holder or panel for further elements, for example a control unit.
- the flap is pivotably attached to the hood body of the extractor hood. If the flap is an air guiding element, it can also be used as a Vapor trap flap are referred to. If the flap is made of glass, it can also be referred to as a glass flap or glass shade.
- the pivot axis about which the flap can be pivoted is preferably horizontal. The pivot axis is preferably located on an edge of the hood body. In this way, by pivoting the flap outwards, the area via which air is directed to a suction opening of the extractor hood can be enlarged.
- several flaps can be provided. For example, a flap can be provided on each of the lateral edges of the hood body. At least one flap is preferably provided on the front edge of the hood body.
- the extractor hood is characterized in that at least one sensor for detecting the state of the flap is arranged on the flap.
- the sensor is preferably arranged in the surface of the flap, that is to say at a distance from the edges of the flap.
- the sensor can be attached to the inner surface of the flap. The attachment can be direct or indirect.
- the state of the flap which is detected by the sensor, can be the position or the state of movement of the flap.
- the position of the flap relative to the hood body can be recognized in the form of an angle of inclination.
- the state of motion can be expressed, for example, as a movement in a specific direction and / or by the speed of the movement.
- the state of motion can also be expressed by the abrupt end of a motion. This enables jerky movements to be recognized.
- the sensor for recognizing the state of the flap is an acceleration sensor.
- the acceleration sensors can measure the acceleration due to gravity directed to the normal to the earth.
- the vectorial component of the acceleration due to gravity which acts on the respective sensor axis, is a direct measure for the inclination of the sensor and thus the flap relative to the horizon.
- the acceleration sensor is preferably a multi-axis acceleration sensor.
- the acceleration sensor can be, for example, a capacitive acceleration sensor, a piezoresistive or piezoelectric sensor.
- the acceleration sensor can in particular be a MEMS (Micro-Electro-Mechanical Systems) acceleration sensor.
- the acceleration sensor is preferably a 3g acceleration sensor.
- the sensor is connected to the control unit of the cooker hood.
- the sensor is connected to the control unit in such a way that at least one functional unit of the extractor hood is activated by the control unit on the basis of the detected state of the flap.
- the functional unit is activated on the basis of the sensor signals that indicate the state of the flap.
- the sensor signals can be evaluated and further processed in the control unit in order to generate control signals for the functional unit.
- the connection between the sensor and the control unit is preferably used to transmit sensor signals or evaluation results of the sensor signals to the control unit.
- At least one sensor for recognizing the state of the flap which is an acceleration sensor, is arranged on the flap and this is connected to the control unit of the extractor hood in such a way that at least one functional unit of the extractor hood is controlled by the control unit based on the detected status of the flap .
- the construction of the extractor hood is simplified due to the switch-free construction made possible by the use of an acceleration sensor.
- neither a switch nor the additional cable routing required for the switch to the switch is necessary.
- the operation of the extractor hood is simplified by the present invention. The user can activate, deactivate or adjust at least one functional unit of the extractor hood, such as the fan or the lighting, by simply moving the flap.
- the fan of the extractor hood can be automatically set to a higher level when the extractor hood is switched on. By swiveling the flap abruptly to and fro, the lighting of the extractor hood, for example be switched on.
- the assignment of the activation of the functional units to the states of the flap can be stored in the control unit of the extractor hood. These can either be specified by the manufacturer or selected by the user.
- the senor is connected to a microcontroller which is arranged on the flap.
- the microcontroller can be accommodated together with the sensor in a sensor module or provided separately from the sensor on the flap.
- the microcontroller is used to evaluate the acceleration values recorded by the sensor.
- the angle of inclination can be calculated from the sensor signals.
- the senor is integrated in an operating part which is arranged on the flap.
- the control panel serves in particular as an input element for the user.
- the functional units can be controlled via the control unit and, for example, different default settings, for example interval ventilation or post-ventilation, can be selected.
- the activation or deactivation of the functional units can be selected via the control unit.
- the operation of the extractor hood is further simplified, since the user can decide whether he wants to operate the extractor hood via the flap or via the control unit, with operation via the control unit usually offering more setting options than operation via the Flap.
- Another advantage that can be achieved by integrating the sensor in the control panel is that a microcontroller is usually provided in a control panel. When the sensor is integrated into the control panel, this can also be used for the sensor, in particular for evaluating the sensor signals. This further simplifies the construction of the extractor hood.
- the flap is mounted on the front end of the hood body so as to be pivotable about a horizontal pivot axis.
- the end of the hood body that faces the user of the extractor hood is referred to as the front end.
- the front end is therefore the end that faces away from the mounting wall.
- a control unit provided on the flap can thus be operated easily. If the hood body has a box shape at the front end, the pivot axis of the flap is preferably at the lower edge of the box shape. In this way, the flap can be pivoted inward, that is to say the flap can be closed, and the flap then rests against the underside of the hood body in the closed position.
- the flap extends over the entire width of the hood body.
- This embodiment is particularly advantageous in the case of a flap which is an air guide element.
- the air flow to the hood body can be optimized in the unfolded state of the flap.
- the flap represents a holder for, for example, an operating element
- the width of the flap can be less than the width of the hood body and, for example, correspond to the width of the operating element.
- the invention relates to a method for operating an extractor hood according to the invention.
- the method is characterized in that the state of the flap is monitored via at least one acceleration sensor and, when a predetermined state is detected, at least one functional unit of the extractor hood is activated by the control unit based on the detected state of the flap.
- the state of the flap is the position relative to the hood body, in particular an angle of inclination.
- the state of the flap can be the speed of movement and / or the direction of movement of the flap.
- the functional unit that is activated on the basis of a recognized state is preferably the fan of the extractor hood or a lighting unit of the extractor hood.
- Figure 1 a schematic side view of an embodiment of the extractor hood according to the invention in a first operating state
- FIG. 2 a schematic side view of the embodiment of the extractor hood according to the invention according to FIG. 1 in a second operating state
- FIG. 3 a schematic front view of the embodiment of the extractor hood according to the invention according to FIG. 1 in the second operating state.
- the extractor hood 1 in Figure 1, an embodiment of the extractor hood 1 according to the invention is shown in side view.
- the extractor hood 1 consists of a hood body 10 and an extractor housing 11 extending upward from the hood body 10.
- the hood body 10 has a box shape, so that the extractor hood 1 can also be referred to as a box hood.
- a further functional unit 15 of the extractor hood 1 is arranged in the rear area of the hood body 10.
- This functional unit 15 represents a lighting device 151 by means of which, for example, a hob (not shown) located below the extractor hood 1 can be illuminated.
- a flap is shown on the underside of the hood body 10, which in the embodiment shown represents an air guiding element 12.
- the air guide element 12 rests against the underside of the hood body 10.
- the front end of the air guide element 12 is located flush with the front of the hood body 10.
- the air guide element 12, which is also referred to as a flap, is attached to the hood body 10 in a pivotable manner.
- the pivot axis about which the air guide element 12 can be pivoted lies in the horizontal and extends along the lower edge of the front of the hood body 12.
- the position of the air guide element 12, which is shown in Figure 1 can also be referred to as the folded or closed position will.
- the air guide element 12 can therefore be moved in the pivoting direction S shown in FIG.
- the air guide element 12 If the air guide element 12 is pivoted forwards from the operating state of the extractor hood 1 shown in FIG. 1, it can be brought into the position shown in FIG. This position is also known as an expanded or open position. The air guide element 12 can also be pivoted further forward beyond the position shown in FIG.
- an operating part 13 is arranged on the inside of the air guide element 12.
- the side of the air guide element 12 which is directed upwards in the position in FIG. 1 is referred to as the inside.
- a sensor 14 is arranged on the air guide element 12.
- the sensor 14 represents an acceleration sensor.
- the sensor 14 is integrated in the operating part 13.
- the air guiding element 12 extends over the entire width of the hood body 10.
- the operating part 13 is arranged laterally offset to the center of the air guiding element 12.
- the operating part 13 can, however, also be arranged in the middle of the width of the air guiding element 12.
- the position or the angle of inclination of the flap which can also be referred to as glass screens or vapor trap flap, of an extractor hood can be recognized.
- various actions such as switching the device's light on or off, can be performed io or trigger other actions without using an electromechanical or contactless switch (limit switch, microswitch, reed contact or similar).
- the control part of the extractor hood is preferably equipped with an acceleration sensor (3g sensor), which is evaluated by means of a microcontroller or the existing control part microcontroller.
- control unit electronics with an integrated 3g sensor can be provided on the glass screen / vapor trap, by means of which different angular positions of the glass screen / vapor trap can be recognized and evaluated.
- the position, in particular the position or the angle of inclination of the control unit which is attached to the glass screen / vapor trap, and thus also the angle of inclination of the glass screen / vapor trap can be calculated.
- various functions / actions such as switching lights on and off, changing the fan level depending on the flap position, can then be carried out according to the inclination / position of the glass screen / vapor trap.
- the present invention has a number of advantages.
- no additional switch is required to recognize the glass screen / vapor trap position. This means that no additional cable laying is necessary and thus cost savings are achieved.
- no additional mechanical parts such as actuating plungers, magnets for reed switches and the like are required.
- the sensor for example a 3g sensor, can be integrated into the control electronics and evaluated by the control unit microcontroller.
- different angular positions of the glass screen / vapor trap can be recognized.
- An evaluation of the speed of movement or acceleration is also possible. Thus, for example, in the event of a jerky movement of the flap, a special action can also be carried out.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020205974.8A DE102020205974A1 (de) | 2020-05-12 | 2020-05-12 | Dunstabzugshaube und Verfahren zum Betreiben einer Dunstabzugshaube |
| PCT/EP2021/061839 WO2021228649A1 (de) | 2020-05-12 | 2021-05-05 | Dunstabzugshaube und verfahren zum betreiben einer dunstabzugshaube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4150262A1 true EP4150262A1 (de) | 2023-03-22 |
| EP4150262B1 EP4150262B1 (de) | 2025-07-09 |
Family
ID=75977723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21726338.3A Active EP4150262B1 (de) | 2020-05-12 | 2021-05-05 | Dunstabzugshaube und verfahren zum betreiben einer dunstabzugshaube |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20230182182A1 (de) |
| EP (1) | EP4150262B1 (de) |
| CN (1) | CN115485508A (de) |
| DE (1) | DE102020205974A1 (de) |
| ES (1) | ES3036141T3 (de) |
| PL (1) | PL4150262T3 (de) |
| WO (1) | WO2021228649A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD1049352S1 (en) * | 2022-02-14 | 2024-10-29 | Samsung Electronics Co., Ltd. | Kitchen extractor hood |
| US12600866B2 (en) * | 2023-02-02 | 2026-04-14 | Whirlpool Corporation | Anti dripping coatings for hoods |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767857B (zh) * | 2012-07-04 | 2015-06-17 | 宁波方太厨具有限公司 | 一种挡烟屏自动开合的吸油烟机 |
| CN103851666B (zh) * | 2012-12-03 | 2018-06-19 | 海尔集团公司 | 油烟机及其控制方法 |
| CN110260381A (zh) * | 2019-07-15 | 2019-09-20 | 珠海格力电器股份有限公司 | 一种侧吸式吸油烟机 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7469547B2 (en) * | 2004-09-09 | 2008-12-30 | Siemens Building Technologies, Inc. | Arrangement for detecting the position of a damper blade using a wireless communication sensor |
| TW200726945A (en) * | 2006-01-06 | 2007-07-16 | Guarder Ind Co Ltd | Non-contact hidden switch for smoke exhauster |
| US20070221199A1 (en) * | 2006-03-24 | 2007-09-27 | Duke Manufacturing Co. | Vent system for cooking appliance |
| KR101535304B1 (ko) * | 2009-02-11 | 2015-07-08 | 엘지전자 주식회사 | 후드겸용 전자레인지 |
| US20110160914A1 (en) * | 2009-12-08 | 2011-06-30 | Sequest Systems Corp | Tilt sensor apparatus and method |
| EP2816295B1 (de) * | 2013-06-17 | 2019-06-05 | Lennox Industries Inc. | HVAC-System mit einer damit assoziierten Diagnosesteuerung |
| CN104089315A (zh) * | 2014-07-21 | 2014-10-08 | 何祺晃 | 一种设置有智能隐形开关的油烟机 |
| EP3235546A1 (de) * | 2016-04-19 | 2017-10-25 | Belimo Holding AG | Klappenflügel mit sensor |
| CN106091054A (zh) * | 2016-06-20 | 2016-11-09 | 广东美的厨房电器制造有限公司 | 吸油烟机及其控制装置和控制方法 |
| CN106123061A (zh) * | 2016-06-20 | 2016-11-16 | 广东美的厨房电器制造有限公司 | 吸油烟机和基于吸油烟机的通话控制方法 |
| CN105972657A (zh) * | 2016-06-20 | 2016-09-28 | 广东美的厨房电器制造有限公司 | 吸油烟机及其控制方法 |
| CN106123067A (zh) * | 2016-08-05 | 2016-11-16 | 广东万家乐燃气具有限公司 | 一种带有小挡板装置的油烟机 |
| CN206430219U (zh) * | 2016-12-15 | 2017-08-22 | 杭州老板电器股份有限公司 | 一种安全风门多角度控制油烟机 |
| WO2018132296A1 (en) * | 2017-01-13 | 2018-07-19 | Johnson Controls Technology Company | User control device with automatic mirroring and leveling system for semi-transparent display |
| CN207797159U (zh) * | 2017-11-06 | 2018-08-31 | 广东美的厨房电器制造有限公司 | 吸油烟机 |
| CN112393307A (zh) * | 2017-11-06 | 2021-02-23 | 广东美的厨房电器制造有限公司 | 吸油烟机和开合面板组件的控制方法 |
| CN108488855A (zh) * | 2018-03-20 | 2018-09-04 | 李秀荣 | 一种互联网智能抽油烟机 |
| CN208652662U (zh) * | 2018-08-04 | 2019-03-26 | 广东麦理杰电器有限公司 | 具有移动吸烟罩的抽油烟机 |
| CN109405015B (zh) * | 2018-11-08 | 2019-12-06 | 珠海格力电器股份有限公司 | 一种油烟机导烟板的控制方法、装置、油烟机及存储介质 |
| CN210320196U (zh) * | 2019-01-09 | 2020-04-14 | 博西家用电器(中国)有限公司 | 抽油烟机 |
| CN110594821B (zh) * | 2019-09-19 | 2021-02-26 | 宁波方太厨具有限公司 | 一种吸油烟机及其控制方法 |
-
2020
- 2020-05-12 DE DE102020205974.8A patent/DE102020205974A1/de active Pending
-
2021
- 2021-05-05 WO PCT/EP2021/061839 patent/WO2021228649A1/de not_active Ceased
- 2021-05-05 ES ES21726338T patent/ES3036141T3/es active Active
- 2021-05-05 EP EP21726338.3A patent/EP4150262B1/de active Active
- 2021-05-05 PL PL21726338.3T patent/PL4150262T3/pl unknown
- 2021-05-05 US US17/917,007 patent/US20230182182A1/en active Pending
- 2021-05-05 CN CN202180034853.5A patent/CN115485508A/zh active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767857B (zh) * | 2012-07-04 | 2015-06-17 | 宁波方太厨具有限公司 | 一种挡烟屏自动开合的吸油烟机 |
| CN103851666B (zh) * | 2012-12-03 | 2018-06-19 | 海尔集团公司 | 油烟机及其控制方法 |
| CN110260381A (zh) * | 2019-07-15 | 2019-09-20 | 珠海格力电器股份有限公司 | 一种侧吸式吸油烟机 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2021228649A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20230182182A1 (en) | 2023-06-15 |
| DE102020205974A1 (de) | 2021-12-02 |
| CN115485508A (zh) | 2022-12-16 |
| WO2021228649A1 (de) | 2021-11-18 |
| EP4150262B1 (de) | 2025-07-09 |
| PL4150262T3 (pl) | 2025-12-01 |
| ES3036141T3 (en) | 2025-09-15 |
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| STAA | Information on the status of an ep patent application or granted ep patent |
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