• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Cooking appliance device and method for cooling a light unit of a cooking appliance device. Cooking appliance device, in particular cooking hob device, with at least one light unit (10) and with at least one cooling unit (12), partially or completely surrounding the light unit (10), which comprises at least one cooling element (14) and is provided in at least one operating state for cooling the light unit (10). In order to provide a cooking appliance device with improved properties regarding the cooling capacity, it is proposed that the cooling unit (12) be provided for cooling the light unit (10) in the operating state by means of a Transformed thermal energy during at least one phase transition of the cooling element (14). (Machine-translation by Google Translate, not legally binding)
    公开号:ES2683875A1
    申请号:ES201730442
    申请日:2017-03-28
    公开日:2018-09-28
    发明作者:Jesús Ceamanos Gaya；Patricia GOMEZ BACHILLER；Isaac LAPETRA CAMPOS；Damaso Martin Gomez；Marta OSTA LOMBARDO；Jesús Ricardo Ruiz Gracia
    申请人:BSH Hausgeraete GmbH；BSH Electrodomesticos Espana SA；
    IPC主号:
    专利说明:

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    Cooking appliance device and procedure for cooling a light unit of a cooking appliance device.
    The present invention refers to a cooking appliance device according to the preamble of claim 1 and a method for cooling a light unit of a cooking appliance device according to the preamble of claim 11.
    Through the state of the art, cooking appliances with luminous elements are already known. To cool the luminous elements, metal cooling bodies such as aluminum and / or copper are used here. However, in particular for light elements that are made as LEDs (light emitting diodes), in the case that, for example, a heating unit of the cooking apparatus generates a lot of heat, it is possible that the cooling bodies will not ensure sufficient cooling of the luminous elements.
    The invention solves the technical problem of providing a generic cooking appliance device with better properties in relation to its cooling. According to the invention, this technical problem is solved by the features of claims 1 and 11, while advantageous embodiments and improvements of the invention can be extracted from the secondary claims.
    The invention refers to a cooking appliance device, in particular, to a cooking hob device, with at least one light unit and with at least one cooling unit, which partially or completely surrounds and, preferably, largely or completely, to the light unit, which comprises at least one cooling element and is provided in at least one operating state, in particular, a luminous operating state and / or a heating operating state, to cool the light unit, where the cooling unit is provided to cool the light unit in the operating state by means of thermal energy transformed during at least one phase transition of the cooling element. By this embodiment, a cooking appliance device with better properties in relation to its cooling, in particular, its cooling capacity can be provided. Here, the light unit can be advantageously cooled and its performance can be improved. In addition, the life of the light unit can be advantageously increased and, in this way, the maintenance, repair and / or material costs can be reduced.
    The term "cooking device" includes the concept of at least a part, in particular, a construction subgroup, of a cooking device, in particular of a cooking oven, of a grill device, of a microwave device and / or, preferably, of a cooking hob. Advantageously, the cooking apparatus is an induction cooking apparatus, in particular an induction grill apparatus, an induction microwave apparatus, an induction cooking oven and / or, particularly preferably, a cooking hob. induction cooking. The cooking appliance device may have at least one heating unit, which comprises at least one heating element advantageously configured as an inductor and, preferably, several, in particular, at least four, at least eight and / or at minus twelve, heating elements configured as inductors. The term "intended" includes the concepts of conceived and / or specifically provided. The expression that an object is intended for a particular function includes the concept that the object satisfies and / or performs this particular function in one or more application and / or operating states. The expression “in large or in full” includes the concept of a percentage, in particular, a percentage in volume and / or a percentage in weight, of at least 55%, advantageously, of 65%
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    at least, preferably, at least 75% and, particularly preferably, at least 85%. The term "heating operating state" includes the concept of an operating state of the heating unit in which the heating unit is in operation and causes heating and / or heating of a cooking battery.
    The term "light unit" includes the concept of a unit that is intended to emit light, advantageously, visible light, in at least one operating state, namely, a light operating state. Here, the light unit may be provided for the lighting, in particular, for the side lighting and / or for the subsequent lighting of at least one component, in particular, of a hob, of the cooking appliance, advantageously, the light unit it can be provided to fulfill an indicator function, preferably, to indicate the activity of the cooking apparatus and / or to indicate the operating parameters.The luminous unit comprises at least one luminous element, advantageously, other multiple luminous elements and , in a particularly advantageous manner, at least one support element that is advantageously provided to house the light element and / or multiple light elements In an advantageous way, the support element is also provided to electrically isolate the light element and / or the multiple light elements and / or to connect it (s) with an electric power supply. The term "luminous operating state" includes the concept of an operating state of the light unit in which the light unit, in particular, at least one light element, illuminates a cooking appliance, namely, a cooking hob, for a control and / or indicator function A heating operating state and a luminous operating state can advantageously configure a joint operating state of the cooking appliance device.
    The term "cooling unit" includes the concept of a unit in effect connection with the light unit and, advantageously, carried out separately from the light unit, which is intended to reduce the temperature by at least one operating state of the light unit at least 2 ° C, advantageously, at least 5 ° C and, particularly preferably, at least 10 ° C. Specifically, the cooling unit is here provided at least to transmit to The light unit is a thermal energy transformed during a phase transition of the cooling element, in order to cool the light unit.
    The cooling unit has at least one cooling element, which can advantageously partially or completely absorb the thermal energy of an object, in particular, a heating unit, which radiates heat and / or generates heat. The cooling element can advantageously absorb thermal energy from the heating unit by transmitting thermal energy, for example, by thermal radiation, thermal conduction and / or convection, so that, at a temperature between 50 ° C and 100 ° C, advantageously, between 60 ° C and 90 ° C and, particularly preferably, between 70 ° C and 80 ° C, the cooling element changes its physical state from a physical state by a phase transition solid to a liquid physical state. At a temperature of less than 30 ° C, advantageously, less than 40 ° C and, particularly preferably, less than 50 ° C, the cooling element is in a solid physical state. In addition, the cooling element has a thermal capacity that amounts to between 0.3 kcal / (kg K) and 1.5 kcal / (kg K), advantageously, between 0.5 kcal / (kg K) and 1.0 kcal / (kg K) and, particularly preferably, between 0.7 kcal / (kg K) and 0.8 kcal / (kg K). The expression "thermal energy transformed during a phase transition of the cooling element" includes the concept of a thermal energy that is emitted by the cooling element and absorbed by an object that is in thermal contact with the cooling element, and that causes the cooling of the cooling element and / or a thermal energy that is absorbed by the cooling element and emitted by an object that is in thermal contact with the element
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    of cooling, and which preferably causes heating of the cooling element and, in particular, cooling of the object and, advantageously, of another object.
    In addition, it is proposed that the cooling unit surrounds the light unit largely or completely and, preferably, completely. In this way, heat transmission to the light unit can be advantageously reduced and the light unit cooling can be improved. The expression that the cooling unit "surrounds" the light unit "largely or completely" includes the concept that the cooling unit surrounds the light unit by at least 90%, advantageously, at least 95% and, particularly preferably, at least 99%.
    It is also proposed that the phase transition be a transition from the cooling element of the solid physical state to the liquid physical state. Thus, the cooling element can absorb a large amount of thermal energy, whereby a particularly efficient cooling of the light unit can be advantageously achieved.
    The cooling element may be partially or completely composed of a grease and / or a wax. However, it is advantageously proposed that the cooling element be composed partially or completely, preferably, largely or completely and, particularly preferably, completely, by paraffin. In this way, a particularly efficient cooling of the light unit can be achieved.
    It is also proposed that the cooling unit has at least one envelope element, which is made as a capsule. The wrapping element can be made of a rigid material such as glass. However, the envelope element is advantageously made of an elastic material, namely, silicone and, particularly preferably, of plastic, so that an advantageous adaptation of the envelope element to the cooling element can be achieved. The envelope element advantageously envelops the cooling element and, advantageously, the light unit to a large or complete extent. Preferably, the enveloping element envelops the light unit largely or completely.
    In addition, it is proposed that the cooling unit comprises at least one envelope element, in particular, the envelope element already mentioned above, which surrounds the cooling element fluid tightly. In this case, the expression "in a fluid tight manner" includes the concept of fluid tightness within the framework of tolerable tolerances and / or the possibilities of the production technique. A fluid tight seal can be achieved. of the enclosure element by means of a method of bonding, welding, and / or melting and / or by a mechanical seal of the cooking appliance device.This embodiment can prevent the cooling element from leaving during a phase transition. Furthermore, the reuse and / or the useful life of the cooling element can be advantageously improved, as well as preventing it from contaminating the heating unit and / or other components of the cooking appliance device.
    In another embodiment of the invention, it is proposed that the cooling unit comprises at least one envelope element, in particular, the envelope element already mentioned above, which surrounds the shape dragging cooling element. The expression consisting in that the envelope element "surrounds" the cooling element "in the form" "includes the concept that the envelope element surrounds the cooling element in a fluid tight manner and without intermediate spaces, so that preferred, without gas inclusions, in particular, without air inclusions, in the solid physical state and / or in the liquid physical state. In this way, a cooking appliance device can be achieved with which advantageously space saving is saved.
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    building. In addition, the reuse of the cooling element can be advantageously increased.
    In addition, it is proposed that the cooling unit comprises at least one envelope element, advantageously, the envelope element already mentioned above, which is partially or completely composed, preferably, largely or completely and, particularly completely preferred by a transparent and / or translucent material. The envelope element is here transparent and / or translucent for the light of the optically visible region, in particular, at a wavelength advantageously between 300 nm and 800 nm. In this way, an advantageous lighting function can be provided.
    The light unit could comprise, for example, light elements made as resistance light elements, as halogen light elements and / or as fluorescent light elements. In a preferred embodiment of the invention, it is proposed that the light unit has at least one light element that is made as a light emitting diode (LED). Preferably, the light element made as a light emitting diode is made as a "surface mounted device" (SMD). Advantageously, the light unit can have several light elements that are made as light emitting diodes. Particularly advantageously, all the luminous elements of the light unit are made as light emitting diodes. In this way, the self-heating of the light element during a luminous operating state can be reduced, and more efficient cooling of the light unit becomes possible.
    In addition, it is proposed that, for electrical contact, the light unit has at least one splice element that is removed from the cooling unit. In this way, the light unit can be brought into contact.
    The invention also refers to a method for cooling a light unit of a cooking appliance device, where the light unit is cooled in at least one operating state by means of thermal energy transformed during a phase transition of at least one element of cooling of a cooling unit. By this embodiment, a cooking appliance device with better properties in relation to its cooling, in particular, its cooling capacity can be provided. Here, the light unit can be advantageously cooled and the performance of the light unit can be improved. In addition, the life of the light unit can be advantageously increased and, in this way, the maintenance, repair and / or material costs can be reduced.
    Other advantages are taken from the following description of the drawing. An exemplary embodiment of the invention is shown in the drawing. The drawing, description and claims contain numerous features in combination. The person skilled in the art will consider the characteristics advantageously also separately, and will gather them in other reasonable combinations.
    They show:
    Fig. 1, a cooking appliance made as a cooking hob with a cooking device
    cooking appliance, in top view.
    Fig. 2, a part of the cooking appliance device of Fig. 1.
    Fig. 3, the light unit and the cooling unit, in a representation in
    perspective.
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    Fig. 4, the light unit and the cooling unit, in a sectional view. Description of the embodiment example
    Figure 1 shows a cooking appliance 22. The cooking appliance 22 is made as a cooking hob, by way of example, as an induction cooking appliance. Alternatively, the cooking apparatus can be made as a resistance cooking hob, as a radiation cooking hob and / or as a gas cooking hob. The cooking apparatus 22 comprises a cooking hob plate 26 for arranging a cooking battery.
    The cooking appliance 22 comprises at least one cooking appliance device. The cooking appliance device comprises a housing unit 32 (see Figure 2). The housing unit 32 is made as a housing housing and is intended to accommodate at least a large part of the components necessary for the operation of the cooking device. In the assembled state, the housing unit 32 is connected to the cooking hob plate 26.
    The cooking appliance device comprises at least one heating unit 24. The heating unit 24 is arranged in the housing unit 32, specifically, under the cooking hob plate 26. The heating unit 24 is provided for heating the cooking battery which is arranged on the cooking hob plate 26 by heating energy. Likewise, the heating unit 24 is provided to transmit heating energy to the cooking battery. In this case, the heating unit 24 has multiple induction heating elements 34, 36, 38, 40, which are provided in an operating state to transmit inductive energy to the cooking battery in order to heat it. The heating unit 24 is made as an induction heating unit. The heating unit 24 and, in particular, the induction heating elements 34, 36, 38, 40, show an increase in temperature in the operating state. Additionally, a heating unit could have other induction heating elements. Alternatively, a heating unit could be made as a resistance heating unit and / or as a radiation heating unit and / or as a gas heating unit.
    The cooking appliance device comprises an electronic unit 28, which is shown schematically and very simplified in Figure 2. The electronics unit 28 is arranged in the housing unit 32, partially below the heating unit 24. Also, the electronics unit 28 is connected at least partially with the heating unit 24 at least by power lines. The electronics unit 28 is provided for a control and / or regulation function, for a user-operated command function, and / or for a sensor function, and can be performed, for example, as a control unit and / or regulator, as a control unit and / or as a sensor unit.
    The cooking appliance device comprises at least one light unit 10. The light unit 10 is arranged inside the housing unit 32, partially between the electronics unit 28 and the heating unit 24 and below the heating unit 24, as Figure 2 shows in top view on a part of the cooking appliance device. The light unit 10 is provided for a lighting function, in particular, for an indicator function, in particular, to indicate the activity of the cooking appliance. The light unit 10 is intended to indicate the activity of the cooking hob, in particular, it is intended to indicate the activity of one of the induction heating elements 34, 36, 38, 40 of the heating unit 24. In addition, the light unit 10 is provided to indicate the cooking parameters of the cooking hob.
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    Alternatively or additionally, the light unit may be provided to illuminate in order to achieve an impression related to the design technique of the cooking apparatus, in particular, of the cooking hob, for example, in a sleep mode and / or in a working state. In addition, at least one other luminous unit can be arranged in a housing unit between an electronics unit and a heating unit. Likewise, a light unit and / or additionally, another light unit, may be arranged on top of or next to a heating unit.
    Figure 3 shows the light unit 10 in a perspective view. The light unit 10 has at least one light element 18 for a lighting function. The light element 18 is intended to illuminate the cooking hob, is made as a light emitting diode (LED), has a size between 1.6 x 1.6 mm2 and 5 x 5 mm2, and emits light in a range of optically visible wavelengths, for example, in the region of red wavelengths between 630 nm and 650 nm and / or in a region of blue wavelengths between 450 nm and 470 nm. As an alternative, the light element can also be made as a halogen lamp, gas discharge lamp and / or incandescent lamp. In addition, the light element may be less than 1.6 x 1.6 mm2 or greater than 5x5 mm2.
    The light unit 10 further comprises other luminous elements. The other luminous elements are of the same construction as the luminous element 18. Therefore, the description of the luminous element 18 can be extended to the other luminous elements, so these are not described in more detail.
    In addition, the light unit 10 comprises at least one support element 30. The support element 30 is provided to support the light element 18 and multiple of the other light elements. Also, the support element 30 is provided to arrange the light element 18 and the other multiple light elements at a uniform distance. The support element 30 is connected in drag of material and / or force and / or shape with the luminous elements 18 and with the other multiple luminous elements. In this case, the support element 30 is connected with the light element 18 and with at least four other light elements. In the present case, the support element 30 is connected with at least five luminous elements. The support element 30 is further provided to electrically isolate the light elements. The support element 30 is made partially or completely of a flexible and rigid, electrically insulating material, in particular, an epoxy resin. Additionally, the support element 30 is made partially or completely of an electrically conductive material. Additionally, the support element 30 is made partially or entirely of copper. The support element 30 is made as a PCB board (printed circuit board). Alternatively, the support element may be connected with more than five luminous elements or with less than five luminous elements, where the luminous elements may not be arranged at a uniform distance, and may be made of another conductive material such as, for example, iron or aluminum, as well as other insulating material, such as mica. In addition, it is conceived that the support element is made entirely of an elastic or non-elastic material.
    The light unit 10 has a splice element 20. The splice element 20 is connected in one piece with the support element 30 and is intended for the electrical contact of the light unit 10. In addition, for the electrical contact , the splicing element 20 is connected to the electronics unit 28. The splicing element 20 is intended to make electrical contact with the electronics unit 28 so that the light unit 10 is directed. For electrical contacting, the splice element 20 is made as an electronic interface, for example, as a USB, Firewire, RS-232, or AGP interface, where splice element 20 is preferably made as a PCI and / or PCB interface. Alternatively or additionally, the splicing element may be connected to a power supply unit for the power supply.
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    Also, the cooking appliance device comprises a cooling unit 12. The cooling unit 12 is arranged in the housing unit 32, in particular, between the electronics unit 28 and the heating unit 24 (see Figure 2) . The cooling unit 12 is arranged under the heating unit 24, specifically around the light unit 10. The cooling unit 12 surrounds the light unit 10 in large part, as also shown in the sectional view of the light unit 10 and the cooling unit 12 of Figure 4. Only the splicing element 20 is partially removed from the cooling unit 12 for electrical contact. The cooling unit 12 is provided to cool the light unit 10 by thermal energy transformed during a phase transition. The cooling unit 12 is provided for cooling the light unit 10. Thus, the cooling unit 12 is provided to reduce the heating of the light unit 10. For this, the cooling unit 12 comprises at least one element of cooling 14.
    The cooling element 14 is disposed within the housing unit 32, around the light unit 10. The cooling element 14 surrounds the light unit 10 largely. Only the splicing element 20 is partially removed from the cooling element 14 for electrical contact. The cooling element 14 surrounds the light unit 10 in shape drag. The cooling element 14 is provided to cool the light unit 10, in particular, the light element 18 and the other light elements, by means of a thermal energy transformed during a phase transition. The cooling element 14 is provided for cooling the light unit 10. Thus, the cooling element 14 is provided to reduce the heating of the light unit 10. The cooling element 14 has a solid physical state at a temperature of less between 70 ° C and 75 ° C, and a liquid physical state at a temperature of more than between 75 ° C and 80 ° C. The cooling element 14 has a melting temperature of between 70 ° C and 80 ° C. In addition, the cooling element 14 exhibits a phase transition from the solid physical state to the liquid physical state between 70 ° C and 80 ° C, specifically, at 75 ° C. Also, the cooling element 14 has a thermal capacity of 0 , 78 kcal / (kg K). The cooling element 14 is made of paraffin. Alternatively, the cooling element may be composed of another material and / or waxy grease, which has between 70 ° C and 80 ° C a phase transition from the solid physical state to the liquid physical state. Alternatively, cooling could be used through a phase transition from a liquid to a gaseous physical state.
    In addition, the cooling unit 12 comprises an enveloping element 16. The enveloping element 16 is disposed around the light unit 10, to which it largely surrounds. The envelope 16 surrounds the cooling element 14 completely and fluid tightly. Only the splice element 20 is partially removed from the enclosure element 16 for electrical contact. As an alternative, a fluid tight seal can also be carried out by means of a bonding and / or sealing procedure, as well as by a mechanical seal.
    The wrapping element 16 surrounds the cooling element 14 in shape drag, and is made of an elastic and transparent material, namely, plastic. Alternatively, the wrapping element may also be made of silicone. It is also conceived that the wrapping element is produced from a rigid material such as, for example, glass or plexiglass, or partially from other materials such as, for example, an elastic material and a non-elastic material. Likewise, it is conceived that the envelope element does not surround the cooling element completely in shape dragging. In addition, it is conceived that the envelope element is made of a translucent material to, for example, obtain an impression through diffuse dispersion in the light envelope element of the luminous elements.
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    In the operating state of the cooking appliance device in which a cooking battery is heated on the cooking hob plate 26 by the heating unit 24, the heating unit 24 generates an amount of thermal energy absorbed by the unit cooling element 12, in particular, the cooling element 14. The cooling element 14 absorbs the amount of thermal energy by convection and / or thermal conduction. The cooling element 14 prevents heating of the light unit 10, and causes the light unit to cool down 10.
    At a temperature of the cooling element 14 between 70 ° C and 75 ° C, the amount of thermal energy of the heating unit 24 causes a phase transition of the cooling element 14. The phase transition of the cooling element 14 causes that the cooling element 14 modifies its physical state from the solid state to the liquid state. Here, the cooling element 14 absorbs a particularly high amount of thermal energy, so that the cooling element 14 causes further cooling of the light unit 10, in particular, of the light element 18 and of the other light elements, for example , at 10 ° C. In addition, the phase transition of the cooling element 14 causes an increase in the volume of the cooling element 14, the wrapping element 16 being adapted in shape by elastic expansion to the volume of the cooling element 14.
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    REFERENCE SYMBOLS
    10 Light unit 12 Cooling unit 14 Cooling element 16 Surrounding element 18 Light element 20 Splicing element 22 Cooking device 24 Heating unit 26 Cooking hob 28 Electronic unit 30 Support element 32 Housing unit
    34 Induction heating element 36 Induction heating element 38 Induction heating element 40 Induction heating element
    权利要求:
    Claims (10)
    [1]
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    1. Cooking appliance device, in particular, cooking hob device, with at least one light unit (10) and with at least one cooling unit (12), partially or completely surrounding the light unit (10 ), which comprises at least one cooling element (14) and is provided in at least one operating state to cool the light unit (10), characterized in that the cooling unit (12) is intended to cool in the state of operation of the light unit (10) by the thermal energy absorbed by the cooling element (14) during a phase change.
    [2]
    2. A cooking device according to claim 1, characterized in that the phase transition is a transition of the cooling element (14) from the solid physical state to the liquid physical state.
    [3]
    3. Cooking device according to one of the claims set forth
    previously characterized in that the cooling element (14) is partially or completely composed of paraffin.
    [4]
    4. Cooking appliance device according to one of the claims set forth
    previously characterized in that the cooling unit (12) comprises at least one envelope element (16) that surrounds the cooling element (14) in a fluid tight manner.
    [5]
    5. Cooking appliance device according to one of the claims set forth
    previously characterized in that the cooling unit (12) comprises at least one envelope element (16) that surrounds the cooling element (14) in shape drag.
    [6]
    6. Cooking device according to one of the claims set forth
    previously characterized in that the cooling unit (12) comprises at least one envelope element (16) that is partially or completely composed of a transparent and / or translucent material.
    [7]
    7. Cooking device according to one of the claims set forth
    previously, characterized in that the light unit (10) has at least one light element (18) that is made as a light emitting diode.
    [8]
    8. Cooking device according to one of the claims set forth
    previously characterized in that, for its electrical contact, the light unit (10) has at least one splicing element (20) that is removed from the cooling unit (12).
    [9]
    9. Cooking apparatus (22), in particular, cooking hob, with a cooking appliance device according to one of the preceding claims.
    [10]
    Method for cooling at least one light unit (10) of a cooking appliance device according to one of claims 1 to 8, characterized in that the light unit (10) is cooled in at least one operating state by means of thermal energy absorbed during a phase change.
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    同族专利:
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    WO2005060309A2|2003-12-11|2005-06-30|Color Kinetics Incorporated|Thermal management methods and apparatus for lighting devices|
    DE202004020748U1|2004-11-17|2006-03-16|Schott Ag|Ceramic hob has latent heat store to limit the temperature rise of the service unit due to cooking surfaces by absorbing heat|
    DE102011088092A1|2011-12-09|2013-06-13|BSH Bosch und Siemens Hausgeräte GmbH|Oven has latent heat accumulator that is formed from material whose phase transformation lies in temperature use boundary region of electronic component for pyrolysis time duration during pyrolysis operation|
    DE102013206868A1|2013-04-16|2014-05-08|E.G.O. Elektro-Gerätebau GmbH|Method for cooling power semiconductor switch e.g. rectifier, involves thermally connecting semiconductor device to phase-change material that is arranged in container or reservoir|
    CN104896330A|2015-06-03|2015-09-09|中国科学院半导体研究所|Led light source module|
    法律状态:
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    优先权:
    申请号 | 申请日 | 专利标题
    ES201730442A|ES2683875B1|2017-03-28|2017-03-28|Cooking appliance device and procedure for cooling a light unit of a cooking appliance device|ES201730442A| ES2683875B1|2017-03-28|2017-03-28|Cooking appliance device and procedure for cooling a light unit of a cooking appliance device|
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