CN210568626U - Cooking utensil with optimized display - Google Patents
Cooking utensil with optimized display Download PDFInfo
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- CN210568626U CN210568626U CN201921208512.1U CN201921208512U CN210568626U CN 210568626 U CN210568626 U CN 210568626U CN 201921208512 U CN201921208512 U CN 201921208512U CN 210568626 U CN210568626 U CN 210568626U
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Abstract
The utility model belongs to the technical field of cooking utensil, concretely relates to show cooking utensil of optimization, which comprises a pane, the panel has the zone of heating that is used for placing cooking pot, the zone of heating has the external boundary, the projection of cooking pot bottom on the panel contains inside the external boundary of the zone of heating, and/or near the inside and outside of the external boundary of the zone of heating have the hot display layer, the hot display layer is formed at the panel with one of spraying, silk screen printing, bat printing, rubber coating, deposit, sputtering mode by thermoluminescence material, the hot display layer absorbs panel heat and sends out the light in order to throw the panel top. The cooking utensil with optimized display of the utility model forms the thermal display layer through the thermoluminescent material, and the panel part area is heated and shines, thereby optimizing the display effect of the panel and providing the user with direct, novel and direct visual experience; the existing heat energy is utilized, energy is saved, consumption is reduced, and the problem that power consumption is needed for optimizing panel display is solved.
Description
Technical Field
The utility model belongs to the technical field of cooking utensil, concretely relates to show cooking utensil of optimizing.
Background
Induction cookers and electric ceramic cookers are heating appliances, and are popular with users because of their convenience in use. However, due to the absence of open fire, especially an induction cooker, a user does not have intuitive feeling of heating when using the induction cooker, and is difficult to distinguish machines in different power or temperature states, so that the experience is poor. At present, the cooking appliances such as an induction cooker, an induction cooker lamp and the like adopt simulated fire and virtual fire to provide panel display optimization so as to enhance visual effect and operation experience. In the prior art, a virtual fire display assembly is arranged and combined by adopting an independent display area and a heating area, the display area is arranged outside the heating area, virtual flame generated by light refraction or reflection is displayed or projected on a panel, the device is complex and high in cost, and the virtual flame cannot be projected on a pot to form virtual flame.
In another prior art, light penetrates through the transparent flame-like opening of the panel, the light is projected from the lower portion of the panel to form flame-like light, and then the flame-like light is projected to the edge of the pot bottom to form a 3D simulation fire. The virtual fire of this proposal has a three-dimensional appearance and low manufacturing cost, but also requires power consumption.
The virtual fire of the induction cooker aims to better prompt temperature or power, and heating states and trends can be obtained from the virtual fire, so that the user can experience intuitively.
It is known that the cooking utensil can remain at a high temperature after heating the panel, and the heat of the panel is dissipated with the environment, which is also a waste in practice.
Therefore, if a cooking appliance which utilizes the heat of the panel to emit virtual fire can be developed, the electric quantity consumed by light can be saved, a novel display optimization experience can be provided for a user, and a high-temperature warning effect can be achieved.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned problem that prior art exists, the utility model provides a show cooking utensil of optimizing. Thermoluminescence of a panel of the cooking appliance is realized in a simple and low-cost mode, a high-temperature warning effect can be achieved, and visual experience of a user is improved.
The utility model adopts the technical proposal that:
the utility model provides a show optimized cooking utensil, includes the panel, the panel has the zone of heating that is used for placing the cooking pot, the zone of heating has the outer boundary, the projection of cooking pot bottom on the panel is contained inside the zone of heating outer boundary, the outer boundary of the zone of heating, and/or near the inside and outside of the zone of heating outer boundary have the thermal display layer, the thermal display layer is formed at the panel by thermoluminescence material with one of spraying, silk screen printing, bat printing, rubber coating, deposit, sputtering mode, the thermal display layer absorbs panel heat and sends out light in order to throw above the panel. By adopting the thermoluminescence principle and utilizing the existing energy form, the heat of the panel is converted into the light energy, and the light-emitting layer is formed near the boundary of the heating area, so that the display effect of the panel is optimized, the direct, novel and direct visual experience is provided for users, and the problem that the power consumption is required for the optimization of the panel display is solved.
In one embodiment, the thermal display layer includes an inner pattern layer located inside an outer boundary of the heating zone. The inner pattern layer is just opposite to the electromagnetic wire coil area in the heating area, and the temperature is higher, so that the display effect can be displayed more conveniently.
In one embodiment, the heat display layer includes a middle pattern layer penetrating inside and outside an outer boundary of the heating region. The pattern layers penetrating through the inner and outer boundaries are vivid, and the optimization of the display effect is more remarkable.
In one embodiment, the thermal display layer includes an outer pattern layer located outside an outer boundary of the heating zone. The outer pattern layer enlarges the display range of the panel display.
Further, the distance D from the outer boundary of the heating area to the center of the heating area, and the distance D1 from the outer edge of the inner pattern layer to the center of the heating area are 0.65< D1/D ≦ 1. The ratio of the distance from the outer edge of the inner pattern layer to the center of the heating area to the diameter of the heating area defines the range of the heated light-emitting area with reasonable temperature distribution, and observation is facilitated.
In one embodiment, a second thermal display layer is further disposed near the outer boundary of the heating region, and the second thermal display layer is formed by one of spraying, silk-screening, pad printing, gluing, depositing and sputtering the thermoluminescent material on the panel.
As a further embodiment, the second thermal display layer is at least partially coincident with the thermal display layer. The second thermal display layer and the thermal display layer are at least partially overlapped, so that the effect of indicating temperature and the thermoluminescent area are at least partially overlapped, the display optimization of the panel is realized, and the scald-proof warning can be realized.
As a further embodiment, the heating zone has a heat display layer on the inside of the outer boundary, and the heating zone has a second heat display layer on the outside of the outer boundary; or the outer side of the heating area outer boundary is provided with a heat display layer, and the inner side of the heating area outer boundary is provided with a second heat display layer. The heat display layer and the second heat display layer are separated from the inner side and the outer side of the heating area, so that the functions of heat luminous display and high-temperature warning are distinguished, the Jingwei is clear, and the user experience is further improved.
Preferably, the panel is a glass-ceramic panel or a ceramic panel. The microcrystalline glass and the ceramic material have high temperature resistance, and are suitable for being used as panels of cooking utensils such as induction cookers, electric ceramic cookers and the like.
Preferably, the outer boundary of the heating zone is a closed outer boundary ring formed around the periphery of the heating zone, or an outer boundary line arranged at intervals or in a broken manner around the periphery of the heating zone. The outer boundary ring or outer boundary line defines the boundary formation of the heating zone, making it distinct from the other areas of the panel, and also facilitating the division of the thermo-luminescent zones.
The utility model has the advantages that: the cooking utensil with optimized display of the utility model forms the thermal display layer through the thermoluminescent material, and the panel part area is heated and shines, thereby optimizing the display effect of the panel and providing the user with direct, novel and direct visual experience; the existing heat energy is utilized, energy is saved, consumption is reduced, and the problem that power consumption is needed for optimizing panel display is solved. The method comprises the following specific steps:
1. the method is visual and clear: the luminous effect can be observed visually and clearly, and the experience is direct and perceptual.
2. Energy conservation and consumption reduction: the display can be thermally excited to emit light by the property of the thermoluminescent material without the control of power supply and any program.
3. The production is convenient: the addition of the process does not increase any production cost, and only changes the components of the coating or material formed by the original coating.
4. The distinctive display scheme to thermoluminescence's mode brings more spaces for product appearance design, and novel experience mode has improved the market competition of product.
Drawings
Fig. 1 is a plan view of a first panel according to an embodiment of the present invention.
Fig. 2 is a plan view of a second panel according to an embodiment of the present invention.
Fig. 3 is a plan view of a third panel in accordance with an embodiment of the present invention.
Fig. 4 is a plan view of a fourth panel in accordance with an embodiment of the present invention.
Fig. 5 is a plan view of a fifth panel according to an embodiment of the present invention.
Fig. 6 is a plan view of a sixth panel according to an embodiment of the present invention.
Fig. 7 is a plan view of a seventh panel according to an embodiment of the present invention.
Fig. 8 is a plan view of an eighth panel according to an embodiment of the present invention.
In the figure: 1-panel, 11-heating zone, 12-operation zone, 2-heat display layer, 21-inner pattern layer, 22-middle pattern layer, 23-outer pattern layer, 3-second heat display layer, 30-warning layer.
Detailed Description
The present invention will be further described with reference to the following specific embodiments, but the present invention is not limited to these specific embodiments. It will be recognized by those skilled in the art that the present invention encompasses all alternatives, modifications, and equivalents as may be included within the scope of the claims.
Example one
Referring to fig. 1-8, a cooking utensil that shows optimization, includes panel 1, the panel has the zone of heating 11 that is used for placing the cooking pot, the zone of heating 11 has the outer boundary, the projection of cooking pot bottom on the panel contains inside the zone of heating 11 outer boundary, the outer boundary of the zone of heating 11, and/or near the inside and outside of the zone of heating 11 outer boundary have hot display layer 2, hot display layer 2 is formed at panel 1 by thermoluminescence material with one of spraying, silk screen printing, bat printing, rubber coating, deposit, sputtering mode, hot display layer 2 absorbs panel 1 heat and sends out the light in order to throw above panel 1. By adopting the thermoluminescence principle and utilizing the existing energy form, the heat of the panel is converted into the light energy, and the light-emitting layer is formed near the boundary of the heating area, so that the display effect of the panel is optimized, the direct, novel and direct visual experience is provided for users, and the problem that the power consumption is required for the optimization of the panel display is solved.
Specifically, the thermal display layer 2 is formed by a reversible thermoluminescent material on the panel 1 in one of spraying, silk-screen printing, pad printing, gluing, depositing and sputtering. Preferably, the panel 1 is a glass-ceramic plate or a ceramic panel; the panel 1 is also provided with an operation area 12 for a user to operate, and the operation area 12 is provided with operation keys; the outer boundary of the heating zone 11 is a closed outer boundary ring formed around the periphery of the heating zone edge, or an outer boundary line arranged at intervals or in a broken way around the periphery of the heating zone 11 edge. The outer boundary ring or outer boundary line defines the boundary formation of the heating zone, making it distinct from the other areas of the panel, and also facilitating the division of the thermo-luminescent zones. The compounded coating or ink containing the thermoluminescent material is adopted in the modes of spraying, silk-screen printing, pad printing and the like, the process is simple, and the formed coating has good stability. By adopting a gluing process, the thermoluminescent material can be directly mixed with glue and coated on a panel to form a stable layer. The thermoluminescent material meeting the requirement can be plated on the surface of the panel to form a thin film by adopting deposition or sputtering. Wherein the deposition comprises methods of Pulsed Laser Deposition (PLD), Chemical Vapor Deposition (CVD), Physical Vapor Deposition (PVD), etc., and the sputtering comprises methods of magnetron sputtering, etc.; different methods are applicable to different substances, and can be selected according to process conditions and product requirements, which are not described herein.
The formation of the thermal display layer 2 is not limited to the above processes, and the methods of foil pasting, paper pasting, gold stamping, printing, etc. are all applicable as long as the method can be implemented on the panel and is stable within the temperature range of the panel, and the detailed description is omitted here.
Of course, the above process schemes can be combined according to needs, and are not described herein.
Preferably, the thermal display layer 2 is formed by using a coating containing a single thermoluminescent substance or a coating containing two or more thermoluminescent substances, and the coating containing the thermoluminescent substances is formed on the panel 1 by spraying, silk-screen printing, pad printing, printing and the like, and the coating containing the thermoluminescent substances is referred to as thermoluminescent coating hereinafter.
The basic process flow of the compounding of the thermoluminescent coating comprises the following steps: the paint base, the thermoluminescent material, the filler, the solvent and the auxiliary agent are mixed and stirred uniformly, and the pigment component can be added if the color requirement is met. The compounded coating is best in a semitransparent state, can also be opaque, and can be distinguished at normal temperature by filling with a little filler and coloring with pigment; when the color is changed at high temperature, the light is emitted, and the emitting color is selected according to the requirement; since the temperature of the panel may reach 150 ℃ or more, even 200 ℃ or more, especially the temperature of the electric ceramic oven may be higher, the thermoluminescent material and the coating material as a whole must have good high temperature resistance.
Wherein, the binder: optionally alkyd, acrylic, polyurethane, epoxy, etc., or other film-forming materials;
the filler is as follows: light calcium carbonate, nano calcium carbonate, barite powder, titanium dioxide, nano titanium dioxide, precipitated barium sulfate, quartz powder, fumed silica, nano silica, mica powder, silica micropowder, talcum powder, kaolin, apatite, attapulgite, sodium aluminosilicate and the like can be selected;
the solvent is as follows: selected from hexane, cyclohexane, benzene, toluene, xylene, alcohols, ethers, esters, ketones, etc.; if the paint is water paint, at least deionized water is contained;
the auxiliary agent is as follows: optional heat stabilizer, light stabilizer, leveling agent, drier, antioxidant, curing agent, viscosity regulator, etc.; preferably, the heat stabilizer is necessary to be contained so as to improve the heat stability of the film layer formed on the panel;
the pigment is as follows: titanium dioxide, lithopone, chrome yellow, iron oxide yellow, cadmium yellow, chromium oxide green, iron blue, ultramarine, iron red, cadmium red, molybdenum-chromium red, carbon black, iron black, aluminum powder, copper powder, and the like can be selected.
The thermal display layer 2 formed of the thermoluminescent material starts to emit light after being heated to a light emission temperature, where it is at a peak of relative light intensity at a light emission peak temperature. The principle of thermoluminescence: the thermoluminescent material contains a certain concentration of luminescent centers and traps, and free electrons or holes are generated in the crystal under the excitation of light or ray particles, and some of them are trapped by the traps. When the crystal is heated and the temperature is raised, the trapped electrons are thermally excited into free carriers, and when the electrons are combined with the ionized luminescence center, light is emitted. The thermoluminescent material has afterglow after cooling.
The thermoluminescent material adopted by the scheme is in a state of being excited by radiation, namely, thermoluminescent can be generated by heating without being excited again.
As another preferred embodiment, the panel is coated by deposition, sputtering or the like of a pure thermoluminescent substance.
The thermoluminescent material is selected as follows:
(1) rare earth doped magnesium tetraborate base thermoluminescence material MgB4O7：Dy，MgB4O7：Tm，MgB4O7: tb, the luminous peak temperature is 180-220 ℃;
(2)SrAl2O4eu material, the temperature value of thermoluminescence peak (luminescence peak temperature) is 80 deg.C, and afterglow time is 2000 min;
(3)B2O3doped SrAl2O4∶Eu2+，Dy3+The material has a luminous peak temperature of 56 ℃ and an emission spectrum peak of 520nm (yellow-green);
(4)Li2B4O7: cu, Ag and Mg, the luminous peak temperature is 206 ℃, and the emission spectrum peak is 380nm (purple);
(5)MgSO4tm, luminous peak temperature 290 deg.C, emission spectrum peak 365nm, 460nm (blue) and 660mm (red).
The luminous peak temperature, the emission spectrum peak and the afterglow time of the substances also change along with the change of the preparation process; not limited to the above materials, SrSO4、CaSO4、CaF2、MgSiO4The thermoluminescent material based on doped transition elements or rare earth elements is also in the selected range; other thermoluminescent materials are also within the scope of the present solution.
In some embodiments, a thermoluminescent coating contains multiple thermoluminescent material pure substances. Therefore, the luminous colors can be compounded under a certain temperature condition, and the compounding of the colors accords with the principle of three primary colors of colored light: red + green + blue-white; does not conform to the principle of three primary colors (yellow + rose + cyan-black).
The luminous peak temperature of the thermoluminescent material is 50-300 ℃, preferably 80-200 ℃, and the emission spectrum of the thermoluminescent material is within the visible light wavelength range of 380-780 nm; after compounding, coating the mixture on a panel in a spraying, silk-screen printing, pad printing and other modes; or a mixture of thermoluminescent materials is plated on the panel in a deposition, sputtering or other manner; with the rise of the temperature of the panel, a luminous phenomenon appears, such as containing various thermoluminescent materials, and the luminous color can change along with the rise of the temperature of the steps; the light has afterglow lasting for tens of minutes to thousands of minutes. Therefore, not only is display optimization realized, but also the panel temperature is known to be higher than 50 ℃ (if the luminous peak temperature T is known, the temperature higher than T can be further known), even the luminous peak temperature T2 of another thermoluminescent material is known, so that the temperature is additionally indicated, and the user experience comfort is further improved.
The following describes a specific application of the thermal display layer 2 according to the present invention in conjunction with various design forms of the panel 1.
In some embodiments, as shown in FIGS. 1-6, the cooking appliance is an induction cooker or an electric ceramic cooker, and the heat display layer 2 includes an inner pattern layer 21 located inside an outer boundary of the heating region. The inner pattern layer 21 is arranged in the heating area 11 and is just opposite to the electromagnetic wire coil area in the electromagnetic oven, and the temperature is higher, so that the display effect can be displayed more conveniently. Preferably, the distance D from the outer boundary of the heating area 11 to the center of the heating area 11, and the distance D1 from the outer edge of the inner pattern layer 2 to the center of the heating area 11 are 0.65< D1/D ≦ 1. When the pot is placed in the heating area 11, the projection of the pot generally covers most, even all, of the boundary of the heating area 11, and the ratio of the distance from the outer edge of the inner pattern layer 21 to the center of the heating area 11 to the diameter of the heating area defines that the inner pattern layer is disposed close to the inner edge of the outer boundary of the heating area 11.
Specifically, as shown in fig. 1, the outer boundary of the heating region 11 is a closed circular outer boundary ring formed around the periphery of the heating region 11, and the inner pattern layer 21 is a ring of star-shaped patterns uniformly arranged around the inner periphery of the outer boundary ring and coated with the thermoluminescent material. When heated and illuminated, the pot generates starlight-like sparkling effect and can be projected on the side of the outer edge of the pot to form a virtual 3D flame-like effect.
Referring to fig. 2, the outer boundary of the heating region 11 is a closed rounded rectangular outer boundary ring formed around the periphery of the heating region 11, and the inner pattern layer 21 is a ring of oriental-aesthetic-style patterns uniformly arranged close to the inner edge of the outer boundary ring and coated with thermoluminescent material. When the decorative pattern is heated and shines, the decorative pattern is elegant.
As shown in fig. 3, the outer boundary of the heating zone 11 is a closed circular outer boundary ring formed around the periphery of the heating zone 11, and the inner pattern layer 21 is a plurality of relatively dense cartoon food-style patterns arranged inside the outer boundary ring and coated with the thermoluminescent material, or only a circle of individual patterns closest to the inner edge of the outer boundary ring is coated with the thermoluminescent material. When the patterns are heated, if only a circle of single patterns closest to the inner edge of the outer boundary ring is covered with the thermoluminescent material, the patterns can be observed to be luminous at the edge of the cooker when the cooker is placed; if all the patterns are covered with the thermoluminescent material, although the inner part of the patterns are shielded by the cookware, after the cooking is finished and the cookware is removed, the long afterglow characteristic of the thermoluminescent material enables a large area inside the panel heating area 11 to continuously emit light, and the user experience is excellent.
As shown in fig. 4, the outer boundary of the heating region 11 is an outer boundary line which is arranged around the edge of the heating region 11 at intervals, the outer boundary line is arranged in a generally circular shape, and the inner pattern layer 21 is a circle of circumferentially contracted sharp fan-shaped combination which is uniformly arranged close to the inner edge of the outer boundary line and is coated with the thermoluminescent material. The cooker can cover the inner part of the fan-shaped combination during heating, when the fan-shaped combination is heated and emits light, the fan-shaped combination emits light from inside to outside to present an expansion trend, and the fan-shaped combination can be projected on the side surface of the outer edge of the cooker to form an atmospheric and dazzling similar virtual 3D flame effect.
As fig. 5, the outer boundary of the heating zone 11 is the circular outer boundary ring of confined that 11 marginal a week formed around the heating zone, cooking utensil is electric ceramic stove, and its inside heating plate and outer heating plate have, outer boundary ring is inside still to have concentric interior boundary ring, outer boundary ring and interior boundary ring correspond respectively in heating plate and outer heating plate edge region, and outer boundary ring and interior boundary ring all cover with thermoluminescence material, but not equidimension pan of adaptation. When heated and luminous, two circles of luminous rings are generated to indicate the area; of course, it is also possible to cover only one of the outer boundary ring or the inner boundary ring with the thermoluminescent material.
Fig. 6 shows an electric ceramic stove, which is substantially the same as the embodiment of fig. 5, except that the whole stove is circular, the panel 1 is also circular, and the widths of the outer boundary ring and the inner boundary ring are larger than those of the design of fig. 5, so that the thermoluminescence effect is mainly reflected on the inner boundary ring.
In other embodiments, the thermal display layer 2 may intersect the outer boundary of the heating zone 11 or the thermal display layer 2 may be located outside the heating zone 11.
As shown in fig. 7, the outer boundary of the heating region 11 is a closed circular outer boundary ring formed around the periphery of the heating region 11, the heat indicating layer 2 includes a middle pattern layer 22 penetrating the inner and outer sides of the outer boundary of the heating region 11, and the middle pattern layer 22 is an eastern aesthetic style pattern penetrating the inner and outer sides of the outer boundary ring and extending partially along the periphery of the outer boundary ring, which is covered with a thermoluminescent material. When the patterns are heated and emit light, the patterns are solemn without inactivation, and a higher aesthetic experience is brought to users.
As shown in fig. 8, the outer boundary of the heating region 11 is a closed circular outer boundary ring formed around the periphery of the heating region 11, and the heat display layer 2 includes an inner pattern layer 21 located inside the outer boundary of the heating region 11, a middle pattern layer 22 penetrating the inside and outside of the outer boundary of the heating region 11, and an outer pattern layer 23 located outside the outer boundary of the heating region 11; the inner pattern layer 21 is a cooking dish pattern, such as a pattern of vegetables and shrimps, and the middle pattern layer 22 is a chopstick pattern penetrating through the inner side and the outer side of the outer boundary ring; the outer pattern layer 23 is a pot ear pattern and a 'hot pot' word arranged outside the outer boundary layer of the heating zone 11; at least one of the inner pattern layer 21, the middle pattern layer 22 and the outer pattern layer 23 is coated with a thermoluminescent material, and preferably all of the three are coated with thermoluminescent materials. When the panel is heated, the luminous pattern is very beautiful and lively, and the user experience is very good.
In the panel designs shown in fig. 1 to 8, the outer boundary of the heating region 11 may be covered with a thermoluminescent coating, or may be coated with a common coating or a coating to be distinguished from the thermal display layer 2, and these embodiments are within the scope of the present embodiment.
It is further preferred that a warning layer 30 for warning a high temperature is provided outside or near the inside of the heating zone 11. The warning layer 30 has warning patterns, warning words or a combination thereof, and can be only warning patterns with triangular identification outer frames and anti-scald figures, or a combination of the warning patterns and the warning words. Warning words such as "carefully scald", "touch", "high temperature danger", "pay high temperature", "carefully scald at high temperature surface", "carefully scald at hand", and the like, and combinations or similar words thereof, or english "route: hotspot", "Watch hot", "Don't touch", "Warning high", and the like, and combinations or similar words thereof, or similar words of other languages, or combinations of multiple languages, or the addition of punctuation marks, and the like, will not be described herein.
Example two
As shown in fig. 1 to 8, the second embodiment is further detailed on the basis of the first embodiment, and specifically includes:
the outer boundary of the heating area is also provided with a second thermal display layer 3, the second thermal display layer 3 is the warning layer 30 for warning high temperature, and the second thermal display layer 3 is formed on the panel by thermoluminescent materials in one of spraying, silk-screen printing, pad printing, gluing, depositing and sputtering modes.
It is further preferable that the second thermal display layer 3 at least partially overlaps the thermal display layer 2, that is, a portion of the thermal display layer 2 in the first embodiment may be used as the second thermal display layer of this embodiment, or the warning layer 30 intersects the thermal display layer 2. The second thermal display layer and the thermal display layer are at least partially overlapped, so that the effect of indicating temperature and the thermoluminescent area are at least partially overlapped, the display optimization of the panel is realized, and the scald-proof warning can be realized.
More specifically, the inner side of the outer boundary of the heating area 11 is provided with a heat display layer 2, and the outer side of the outer boundary of the heating area 11 is provided with a second heat display layer 3; or the outer side of the outer boundary of the heating area 11 is provided with the heat display layer 2, and the inner side of the outer boundary 11 of the heating area is provided with the second heat display layer 3. The heat display layer and the second heat display layer are separated from the inner side and the outer side of the heating area, so that the functions of heat luminous display and high-temperature warning are distinguished, the Jingwei is clear, and the user experience is further improved.
The specific implementation manners are numerous, fig. 1 to 5 and 7 to 8 show that the second thermal display layer 3 (also referred to as the warning layer 30) is disposed outside the outer boundary of the heating area 11, and fig. 6 shows that the second thermal display layer 3 (also referred to as the warning layer 30) is disposed inside the outer boundary and outside the inner boundary of the heating area 11.
Specifically, the second thermal display layer 3 may be made of the same thermoluminescent material as the thermal display layer 2, or may be made of a different thermoluminescent material. In addition, the second thermal display layer 3 has a main function of realizing high-temperature warning, and can be formed by coating a panel with a thermochromic material, and the compounding mode refers to the compounding of a thermoluminescent coating.
The thermochromic material must be reversibly color-changeable, that is, when a substance is heated to a certain temperature t, the color of the thermochromic material changes, and the thermochromic material can recover to the original color at or near the temperature t after being cooled.
Preferably, the color change temperature of the thermochromic material is 43-80 ℃. The comfortable temperature range of human body perception is 20-42 ℃, the human body can experience a 'hot' feeling when the temperature is higher than 42 ℃, and a 'hot' feeling can be generated when the temperature is higher than 45 ℃; the set color-changing temperature is in a range of 43-80 ℃ and just meets the low-limit threshold value of human body perception scald, so that the optimal scald-proof warning function is achieved.
For example, in some embodiments, the thermochromic material is selected as follows:
(1) bromophenol blue-stearic acid is yellow at normal temperature, changes from yellow to blue at the temperature of 55 ℃, and is compounded with a little yellow pigment, so that the thermochromic coating shows semitransparent faint yellow at normal temperature and becomes green at variable temperature;
(2) copper tetraiodomercuric acid, Cu2HgI4Red at normal temperature, becomes brown at 70 ℃, is red at 160 ℃, can continuously change color to dark red at 220 ℃, is compounded with a small amount of red pigment, enables the paint to show semitransparent light red at normal temperature, and becomes brownish red after the temperature is changed for the first time at 70 ℃;
(3) silver tetraiodomercuric acid, Ag2HgI4Yellow at normal temperature, becomes orange-red at 50 ℃, and can be compounded with a little red pigment, so that the coating shows semitransparent orange-red at normal temperature and becomes red at variable temperature; the substance has proper indication temperature, obvious effect and strong warning property of indication color, but is toxic and expensive;
Co(NO3)2·2C6H12N4·10H2o (Pink, magenta at 75 ℃), CoSO4·C6H12N4·9H2O (peach red, purple at 60 ℃), NiCl2 & 2C6H12N4·10H2O (green, changing into yellow at 90 ℃) can be compounded into the thermochromic paint for use. In addition, the selection of the thermochromic material is not limited to the above materials.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing has been a detailed description of the preferred embodiments and principles of the present invention, and it will be apparent to those skilled in the art that variations may be made in the specific embodiments based on the concepts of the present invention, and such variations are considered as within the scope of the present invention.
Claims (10)
1. A display-optimized cooking appliance comprising a panel having a heating zone for placing a cookware, the heating zone having an outer boundary, the projection of the cookware base onto the panel contained within the outer boundary of the heating zone, characterized in that: the outer boundary of the heating area and/or the vicinity of the inner side and the outer side of the outer boundary of the heating area are/is provided with a thermal display layer, the thermal display layer is formed on the panel by thermoluminescent materials in one of spraying, silk-screen printing, transfer printing, gluing, depositing and sputtering modes, and the thermal display layer absorbs the heat of the panel to emit light so as to project the light to the upper side of the panel.
2. A display-optimized cooking appliance as claimed in claim 1, characterized in that: the thermal display layer includes an inner pattern layer located inside an outer boundary of the heating zone.
3. A display-optimized cooking appliance as claimed in claim 1, characterized in that: the heat display layer includes a middle pattern layer penetrating inside and outside an outer boundary of the heating region.
4. A display-optimized cooking appliance as claimed in claim 1, characterized in that: the thermal display layer includes an outer pattern layer located outside an outer boundary of the heating zone.
5. A display-optimized cooking appliance as claimed in claim 2, characterized in that: the distance D from the outer edge of the heating area to the center of the heating area, the distance D1 from the outer edge of the inner pattern layer to the center of the heating area is 0.65< D1/D ≦ 1.
6. A display-optimized cooking appliance as claimed in claim 1, characterized in that: and a second thermal display layer is arranged near the outer boundary of the heating area, and the second thermal display layer is formed on the panel by a temperature-sensitive color-changing material in one of spraying, silk-screen printing, transfer printing, gluing, depositing and sputtering modes.
7. The display-optimized cooking appliance according to claim 6, wherein: the second thermal display layer is at least partially coincident with the thermal display layer.
8. The display-optimized cooking appliance according to claim 6, wherein: the inner side of the outer boundary of the heating area is provided with a heat display layer, and the outer side of the outer boundary of the heating area is provided with a second heat display layer; or the outer side of the heating area outer boundary is provided with a heat display layer, and the inner side of the heating area outer boundary is provided with a second heat display layer.
9. A display-optimized cooking appliance as claimed in claim 1, characterized in that: the panel is a microcrystalline glass panel or a ceramic panel.
10. A display-optimized cooking appliance as claimed in claim 1, characterized in that: the outer boundary of the heating zone is a closed outer boundary ring formed around the periphery of the heating zone edge or an outer boundary line arranged at intervals or in a broken way around the periphery of the heating zone edge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921208512.1U CN210568626U (en) | 2019-07-30 | 2019-07-30 | Cooking utensil with optimized display |
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| CN201921208512.1U CN210568626U (en) | 2019-07-30 | 2019-07-30 | Cooking utensil with optimized display |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112120542A (en) * | 2020-09-10 | 2020-12-25 | 宁波太尔炊具有限公司 | Non-stick pan coating with temperature indicating function and preparation method thereof |
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2019
- 2019-07-30 CN CN201921208512.1U patent/CN210568626U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112120542A (en) * | 2020-09-10 | 2020-12-25 | 宁波太尔炊具有限公司 | Non-stick pan coating with temperature indicating function and preparation method thereof |
| CN112120542B (en) * | 2020-09-10 | 2022-05-17 | 宁波太尔炊具有限公司 | Non-stick pan coating with temperature indicating function and preparation method thereof |
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Effective date of registration: 20230826 Address after: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee after: Shandong Jiuchuang Home Appliance Co.,Ltd. Address before: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee before: JOYOUNG Co.,Ltd. |
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