Cooking utensil

Abstract

The utility model provides a cooking utensil which comprises a machine body, a cooking utensil cover and a cooking utensil cover. The heating piece is arranged on the machine body, the heating piece comprises an electrochromic layer, at least one part of the electrochromic layer is opposite to the light-transmitting area, and the electrochromic layer can be electrified to change color under the condition that the heating piece is in the working state.

Description

Technical Field

[0001] The utility model relates to the technical field of household electrical appliances, in particular to a cooking utensil. Background Art

[0002] At present, for rice cookers with upper cover heating, such as electromagnetic upper cover heating and heating wire heating, the upper cover heating is generally not visible, that is, it is not possible to see whether it is heating during operation. In other words, the user cannot know that the temperature of the upper cover is high, which may easily burn the user when touching it.

[0003] Thermochromic materials are added to the rice cooker in the related art to indicate the working status of the rice cooker. However, the thermochromic materials can only change color when reaching a certain temperature, and the color change speed is slow. Utility Model Content

[0004] The embodiments of the utility model are intended to solve at least one of the technical problems existing in the prior art.

[0005] To this end, a first aspect of an embodiment of the present utility model provides a cooking utensil.

[0006] In view of this, according to the first aspect of an embodiment of the utility model, a cooking utensil is provided, the cooking utensil comprising: a body, the body being provided with a light-transmitting area; a heating element, arranged on the body, the heating element comprising an electrochromic layer, at least a portion of the electrochromic layer being opposite to the light-transmitting area, and when the heating element is in a working state, the electrochromic layer can change color when electricity is turned on.

[0007] The cooking device provided by the embodiment of the utility model includes a machine body and a heating element. Specifically, the machine body is provided with a light-transmitting area, and the heating element includes an electrochromic layer. At least a part of the electrochromic layer is arranged opposite to the light-transmitting area, and when the heating element is in a working state, the electrochromic layer can be powered on and change color. In other words, the electrochromic layer can change color when powered on. Therefore, the user can intuitively observe whether the heating element is in a working state through the light-transmitting area, thereby improving the user's perception.

[0008] Specifically, when the user observes through the light-transmitting area that the electrochromic layer changes color, optionally, the electrochromic layer changes to red, flame color, or blue, etc., it is determined that the heating element is in a working state at this time.

[0009] It is understandable that the machine body is also provided with a cooking cavity, and the heating element is used to heat the cooking cavity or the cover of the machine body. When the heating element is in operation, the surface temperature of the machine body rises, and there is a risk of a user touching the machine body with a high temperature and getting burned.

[0010] By providing an electrochromic layer, and the electrochromic layer can change color when the heating element is in a working state, it is possible to effectively prevent the user from being scalded by touching the hot body of the cooking appliance when the cooking appliance is working, thereby improving the safety of the cooking appliance and enhancing the user experience.

[0011] Optionally, the electrochromic layer shows a first color when the heating element stops working, that is, the electrochromic layer shows the first color when no power is supplied. When the heating element is working, it shows a second color, that is, the electrochromic layer shows the second color when power is supplied. The second color is different from the first color, for example, the second color is the color of a flame, which looks like a fire is heating, or the second color is red or blue, etc. Thus, the user can intuitively see whether the heating element is in working state through the light-transmitting area, thereby improving the user's perception.

[0012] Optionally, the light-transmitting area is constructed as a hollow structure, so that whether the electrochromic layer changes color can be observed through the hollow structure, thereby judging whether the heating element is working.

[0013] Optionally, the light-transmitting area includes a transparent member having light transmittance, so that it is possible to observe through the transparent member whether the electrochromic layer changes color, and further determine whether the heating element is working.

[0014] In addition, the cooking utensil provided according to the above technical solution of the utility model also has the following additional technical features:

[0015] In some technical solutions, optionally, the electrochromic layer can generate heat and change color when electricity is supplied.

[0016] In this technical solution, the electrochromic layer can generate heat and change color when powered on, that is, when powered on, it can change color and achieve heating function at the same time. It can be used for auxiliary heating of cooking utensils, or for heating the cover of the machine body to reduce condensation on the cover and improve the cooking effect of the food.

[0017] In some technical solutions, optionally, the electrochromic layer includes a graphene heating element and an electrochromic body.

[0018] In this technical solution, it is defined that the electrochromic layer includes a graphene heating element and an electrochromic body, that is, the electrochromic layer is a composite layer including a graphene heating element and an electrochromic body, that is, the graphene heating element and the electrochromic body are mixed together, thereby obtaining an electrochromic layer that can generate heat and change color when power is supplied, and further enabling the electrochromic layer to generate heat and change color when the heating element is working.

[0019] In addition, since the electrochromic layer includes a graphene heating element, it can be understood that the graphene heating element can generate far infrared rays when powered on, and the far infrared rays can be emitted into the cooking cavity of the body to improve the cooking effect of the ingredients.

[0020] It is understandable that the graphene heating element and the electrochromic body can be mixed in a set ratio.

[0021] In some technical solutions, optionally, the heating element further includes a heating layer, and the heating layer is disposed on a side of the electrochromic layer away from the light-transmitting area, or the heating layer is disposed on a side of the electrochromic layer close to the light-transmitting area.

[0022] In this technical solution, it is defined that the heating element also includes a heating layer, that is, the electrochromic layer and the heating layer are a distinct two-layer structure. Specifically, the heating layer is arranged on the side of the electrochromic layer away from the light-transmitting area, that is, along the height direction of the body, from top to bottom, the electrochromic layer and the heating layer are arranged in sequence.

[0023] Alternatively, the heating layer is arranged on a side of the electrochromic layer close to the light-transmitting area, that is, along the height direction of the body, from top to bottom there are the heating layer and the electrochromic layer.

[0024] By providing the heating layer, the heating function of the heating element can be realized.

[0025] It can be understood that when the heating layer is arranged on the side of the electrochromic layer close to the light-transmitting area, in order to ensure that the user can observe whether the electrochromic layer changes color through the light-transmitting area and then judge whether the heating element is in a working state, the heating layer is a transparent layer, that is, the heating layer is light-transmitting.

[0026] Optionally, the heating layer comprises a graphene heating layer.

[0027] In some technical solutions, optionally, the heating layer includes an electric heating layer, and at least one of the electrochromic layer and the electric heating layer is connected to a power source.

[0028] In this technical solution, it is defined that the heating layer includes an electric heating layer. Specifically, at least one of the electrochromic layer and the electric heating layer is connected to a power source. It can be understood that both the electrochromic layer and the electric heating layer are conductive.

[0029] Specifically, the electrochromic layer is connected to a power source. Alternatively, the electric heating layer is connected to a power source. Alternatively, the electrochromic layer and the electric heating layer are connected to power sources respectively. The specific configuration can be made according to actual needs.

[0030] It is understandable that the electrochromic layer and the electric heating layer can be connected in series or in parallel. Specifically, when the electrochromic layer and the electric heating layer are connected in series, the electrochromic layer and the electric heating layer are powered on and controlled together, that is, when powered on, the electrochromic layer heats up and changes color at the same time.

[0031] When the electrochromic layer and the electric heating layer are connected in parallel, they can work simultaneously or be controlled separately, which is more flexible.

[0032] In some technical solutions, optionally, the heating element further includes an insulating layer, and the insulating layer is disposed between the electrochromic layer and the heating layer.

[0033] In this technical solution, it is defined that the heating element also includes an insulating layer. Specifically, the insulating layer is arranged between the electrochromic layer and the heating layer to improve the safety performance of the heating element.

[0034] In some technical solutions, optionally, the heating layer includes a graphene heating layer.

[0035] In this technical solution, it is defined that the heating layer includes a graphene heating layer, that is, the graphene heating layer includes a graphene heating element. It can be understood that the graphene heating element has conductivity, so that the graphene heating element can generate heat when electricity is applied.

[0036] At the same time, the graphene heating element can emit far-infrared rays when powered on, and the far-infrared rays enter the cooking cavity, thereby improving the heating effect on the food and the heating efficiency of the cooking utensils.

[0037] In some technical solutions, optionally, the heating element also includes a substrate, the substrate is arranged on the body, and the electrochromic layer is arranged on the side of the substrate facing the light-transmitting area; wherein the heating layer is located between the electrochromic layer and the substrate, or the electrochromic layer is located between the heating layer and the substrate.

[0038] In this technical solution, it is defined that the heating element also includes a substrate. Specifically, the substrate is arranged on the body, and the electrochromic layer is arranged on the side of the substrate facing the light-transmitting area, so that the user can intuitively observe the color change of the electrochromic layer through the light-transmitting area and judge that the heating element is working at this time.

[0039] By setting the substrate, structural support is provided for the electrochromic layer, thereby ensuring the installation stability and reliability of the electrochromic layer on the body.

[0040] Optionally, the substrate includes a light-transmitting member or a non-light-transmitting member, which can be specifically configured according to actual needs.

[0041] Specifically, the substrate includes a light-transmitting member, wherein the substrate includes one of heat-resistant glass, high borosilicate glass, tempered glass, microcrystalline board and transparent parmigma board.

[0042] Alternatively, the substrate includes a metal material such as transparent aluminum. It is understandable that when the substrate includes a metal material such as transparent aluminum, an insulating coating needs to be provided on the side of the substrate facing the electrochromic layer.

[0043] The substrate includes a non-light-transmitting member, that is, the substrate is an opaque temperature-resistant material. Specifically, the substrate includes a metal material or a non-metallic material such as a stainless steel plate or an aluminum plate. It is understandable that if the substrate is a metal material, an insulating coating needs to be provided on the side of the substrate facing the electrochromic layer.

[0044] In some technical solutions, optionally, the shortest distance L1 between the outer edge of the heating layer and the outer edge of the substrate satisfies 3mm≤L1≤30mm.

[0045] In this technical solution, the shortest distance between the outer edge of the heating layer and the outer edge of the substrate is limited to between 3 mm and 30 mm. It is understandable that the heating layer can generate heat, and by having a certain distance between the outer edge of the heating layer and the outer edge of the substrate, it is possible to avoid excessive temperature rise of components other than the substrate when the heating layer generates heat, thereby increasing the service life of the cooking appliance, increasing the area of ​​the heating layer as much as possible, and improving the heating efficiency of the heating element.

[0046] Optionally, 5mm≤L1≤20mm.

[0047] Optionally, 8mm≤L1≤12mm.

[0048] In some technical solutions, optionally, the cooking appliance further includes a sealing member, which is arranged on the peripheral side of the base plate and located at the connection between the base plate and the body.

[0049] In this technical solution, it is defined that the cooking appliance also includes a seal. Specifically, the seal is arranged on the peripheral side of the substrate, that is, the seal is arranged at the outer edge of the substrate, and the seal is located at the connection between the substrate and the body, thereby sealing the connection between the substrate and the body.

[0050] During the operation of the cooking appliance, the steam in the cooking cavity is prevented from entering between the light-transmitting area and the electrochromic layer through the connection between the substrate and the body, thereby affecting the light transmittance of the light-transmitting area. It is ensured that the user can clearly observe whether the electrochromic layer changes color through the light-transmitting area, and then accurately judge whether the heating element is working.

[0051] In addition, since the electrochromic layer is a conductive member, by providing a seal at the connection between the substrate and the body, it is also possible to prevent the steam in the cooking cavity from contacting the electrochromic layer and causing safety accidents, thereby improving the safety performance of the cooking appliance.

[0052] In some technical solutions, optionally, the shortest distance L2 between the outer edge of the heating layer and the side of the seal close to the heating layer satisfies 0mm≤L2≤30mm.

[0053] In this technical solution, the shortest distance between the outer edge of the heating layer and the side of the seal close to the heating layer is limited to between 0 mm and 30 mm. It is understandable that the heating layer can generate heat, and by having a certain distance between the outer edge of the heating layer and the seal, it is possible to avoid the heating layer from burning the seal when it is heated, thereby increasing the service life of the seal and increasing the area of ​​the heating layer as much as possible, thereby improving the heating efficiency of the heating element.

[0054] Optionally, 5mm≤L2≤10mm.

[0055] In some technical solutions, optionally, the substrate includes a light-transmitting member; and / or the substrate includes an insulating member.

[0056] In this technical solution, specifically, the substrate includes a light-transmitting member, that is, the substrate is light-transmitting, so that when the heating element is in working state or stops working, when the electrochromic layer is light-transmitting, the user can observe the state of the food in the cooking cavity through the light-transmitting area, the electrochromic layer and the substrate, thereby improving the user experience.

[0057] Furthermore, the changes and states of the food in the cooking cavity can be observed without additionally providing a light-transmitting device on the body, thereby simplifying the structure of the cooking utensil and reducing the production cost of the cooking utensil.

[0058] In addition, when the electrochromic layer includes a graphene heater, it can be understood that the graphene heater can emit far-infrared rays when powered on. Since the substrate is light-transmitting, the far-infrared rays emitted by the graphene heater can pass through the light-transmitting substrate into the cooking cavity, thereby improving the cooking effect on the food in the cooking cavity.

[0059] Optionally, the substrate needs to have good temperature resistance. Specifically, the substrate includes one of heat-resistant glass, high borosilicate glass, tempered glass, microcrystalline board and transparent parmigma board.

[0060] Alternatively, the substrate includes a metal material such as transparent aluminum. It is understandable that when the substrate includes a metal material such as transparent aluminum, an insulating coating needs to be provided on the side of the substrate facing the electrochromic layer.

[0061] In some technical solutions, optionally, the heating element further includes a protective layer, which is disposed on a side of the electrochromic layer close to the light-transmitting area; wherein the protective layer is light-transmitting.

[0062] In this technical solution, it is defined that the heating element also includes a protective layer. Specifically, the protective layer is arranged on the side of the electrochromic layer close to the light-transmitting area, thereby protecting the electrochromic layer, improving the safety performance of the heating element, and further improving the safety of the cooking appliance.

[0063] The protective layer is light-transmitting, so that while the protective layer protects the electrochromic layer, it ensures that when the heating element is working, the color change of the electrochromic layer can be observed by the user through the light-transmitting area, thereby preventing the user from touching the high-temperature body and getting burned.

[0064] In some technical solutions, optionally, the protective layer includes an insulating member.

[0065] In this technical solution, it is defined that the protective layer includes an insulating member, that is, the protective layer is an insulating material, thereby increasing the safety performance of the heating element, preventing the occurrence of safety accidents caused by poor sealing, and further improving the safety of the cooking appliance.

[0066] In some technical solutions, optionally, the machine body is further provided with a cooking cavity; when the heating element is in working state, the electrochromic layer can transmit light, so that the light-transmitting area is connected with the cooking cavity through the electrochromic layer.

[0067] In this technical solution, the machine body is provided with a cooking cavity. It can be understood that the cooking cavity can accommodate food.

[0068] Optionally, the heating element can heat the cooking cavity. It is understandable that the heating element heats the cooking cavity, thereby being able to assist in heating and cooking the food in the cooking cavity, thereby improving the heating efficiency of the food in the cooking cavity.

[0069] Alternatively, when the cooking appliance stops working, the heating element is turned on to heat the cooking cavity, so as to achieve the purpose of keeping the food in the cooking cavity warm.

[0070] When the heating element is in operation, the electrochromic layer can transmit light, and external light can enter the cooking cavity through the light-transmitting area and the electrochromic layer. In other words, when the heating element is working, the electrochromic layer can turn transparent, so that the user can observe the cooking state and cooking process of the food in the cooking cavity through the light-transmitting area, thereby improving the user experience.

[0071] Furthermore, the changes and processes of the food in the cooking cavity can be observed without additionally providing a light-transmitting device on the body, thereby simplifying the structure of the cooking utensil and reducing the production cost of the cooking utensil.

[0072] In addition, when the user observes the food in the cooking cavity through the light-transmitting area and the electrochromic layer, it means that the heating element is working, thereby indirectly knowing whether the heating element is in a working state, thereby avoiding the problem of burns caused by touching the high-temperature body.

[0073] Optionally, when the heating element is working, the electrochromic layer changes color, for example, to a transparent color with a flame, so that it is possible to visually observe whether the heating element is working and the ingredients in the cooking cavity, thereby improving the user's experience of using the cooking appliance.

[0074] Alternatively, when the heating element is working, the electrochromic layer first turns into flame color or red, etc., and then turns into transparent color after a period of time.

[0075] In some technical solutions, optionally, the machine body includes a cover body, a pot body and a heating device, wherein the heating element is arranged on the cover body, the pot body is connected to the cover body and encloses the cover body to form a cooking cavity, and the heating device is arranged on the pot body to heat the cooking cavity.

[0076] In this technical solution, it is defined that the machine body includes a cover body, a pot body and a heating device. Specifically, the cover body and the pot body are combined to form a cooking cavity.

[0077] Optionally, the cover body is connected to the pot body in an openable and closable manner, so that the user can take out and put in the food in the cooking cavity by opening the cover body.

[0078] Optionally, the pot body includes a base and an inner pot, the base is provided with a receiving cavity, and the inner pot is arranged in the receiving cavity.

[0079] The heating element is arranged on the cover body, and the heating device is arranged on the pot body, that is, the heating element plays a role of auxiliary heating of the cooking cavity to improve the heating efficiency of the food in the cooking cavity.

[0080] In addition, the heating element is arranged on the cover body, and the heating device is arranged on the pot body, that is, the heating element and the heating device are located on both sides of the cooking cavity, thereby improving the heating efficiency while improving the uniformity of heating of the food, thereby improving the cooking effect of the food.

[0081] It is understandable that during the operation of the cooking appliance, steam is generated in the cooking cavity. When the steam contacts the lid with a lower temperature, condensation water is generated. The condensation water drips onto the food, affecting the cooking effect and appearance of the food.

[0082] The heating element is arranged on the cover body, and by heating the cover body, condensation water on the cover body can be reduced, thereby ensuring the cooking effect and appearance of the food.

[0083] Optionally, the heating device comprises a coil disk heating assembly or a hot disk heating assembly.

[0084] Optionally, the cooking appliance also includes a control panel, a power board, a steam valve assembly, a thermostat and a reflective cover. Specifically, the power board is connected to the control panel and the heating element, and the reflective cover is arranged on the side of the heating element away from the cooking cavity to improve the heat radiation to the cooking cavity, thereby improving the heating efficiency of the food in the cooking cavity.

[0085] The machine body is also provided with a steam channel, which is communicated with the cooking cavity, and the steam valve assembly is used for opening or closing the steam channel.

[0086] In addition, the cooking utensil also includes a sealing ring, a pressure ring, an insect-proof sealing ring and a channel sealing ring.

[0087] Additional aspects and advantages of the present invention will be given in the following description, and some will become apparent from the following description, or will be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0088] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0089] Figure 1 A schematic structural diagram of a cooking utensil according to an embodiment of the utility model is shown;

[0090] Figure 2 Shows Figure 1 An enlarged view of the cooking appliance of the illustrated embodiment at A;

[0091] Figure 3 One of the partial structural schematic diagrams of a heating element according to an embodiment of the utility model is shown;

[0092] Figure 4 A second partial structural schematic diagram of a heating element according to an embodiment of the utility model is shown;

[0093] Figure 5 A schematic structural diagram of a heating element according to an embodiment of the utility model is shown.

[0094] in, Figures 1 to 5 The corresponding relationship between the reference numerals and the component names is as follows:

[0095] 100 cooking utensil, 110 machine body, 111 light transmission area, 112 cooking cavity, 113 cover body, 114 pot body, 120 heating element, 121 electrochromic layer, 122 heating layer, 123 insulating layer, 124 substrate, 125 graphene heating layer, 126 protective layer, 130 sealing element, 140 heating device, 150 reflecting cover, 160 control panel, 170 thermostat, 180 steam channel, 190 steam valve assembly, 210 insect-proof sealing ring, 220 channel sealing ring, 230 sealing ring, 240 pressing ring. DETAILED DESCRIPTION

[0096] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0097] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0098] Refer to the following Figures 1 to 5 The cooking appliance 100 provided according to some embodiments of the present invention is described.

[0099] In one embodiment according to the present application, Figure 1 and Figure 2 As shown, a cooking utensil 100 is proposed, which includes: a body 110, the body 110 is provided with a light-transmitting area 111; a heating element 120, which is arranged on the body 110, and the heating element 120 includes an electrochromic layer 121, at least a part of the electrochromic layer 121 is opposite to the light-transmitting area 111, and when the heating element 120 is in a working state, the electrochromic layer 121 can be energized and change color.

[0100] The cooking device 100 provided by the embodiment of the utility model includes a body 110 and a heating element 120. Specifically, the body 110 is provided with a light-transmitting area 111, and the heating element 120 includes an electrochromic layer 121, and at least a part of the electrochromic layer 121 is arranged opposite to the light-transmitting area 111. When the heating element 120 is in a working state, the electrochromic layer 121 can be powered on and discolored. In other words, the electrochromic layer 121 can be powered on and discolored. Therefore, the user can intuitively observe whether the heating element 120 is in a working state through the light-transmitting area 111, thereby improving the user's perception.

[0101] Specifically, when the user observes through the light-transmitting area 111 that the electrochromic layer 121 changes color, optionally, the electrochromic layer 121 changes to red, flame color, or blue, etc., it is determined that the heating element 120 is in a working state.

[0102] It is understandable that the machine body 110 is also provided with a cooking cavity 112, and the heating element 120 is used to heat the cooking cavity 112 or the cover 113 of the machine body 110. When the heating element 120 is in operation, the surface temperature of the machine body 110 rises, and there is a risk of a user touching the machine body 110 with a high temperature and getting burned.

[0103] By providing an electrochromic layer 121, and the electrochromic layer 121 can change color when the heating element 120 is in operation, it is possible to effectively prevent the user from getting burned by touching the hot body 110 when the cooking appliance 100 is working, thereby improving the safety of the cooking appliance 100 and enhancing the user experience.

[0104] Optionally, the electrochromic layer 121 shows a first color when the heating element 120 stops working, that is, the electrochromic layer 121 shows the first color when no power is supplied. When the heating element 120 is working, it shows a second color, that is, the electrochromic layer 121 shows the second color when power is supplied. The second color is different from the first color, for example, the second color is the color of a flame, which looks like a fire is heating, or the second color is red or blue, etc. Thus, the user can intuitively see whether the heating element 120 is in working state through the light-transmitting area 111, thereby improving the user's perception.

[0105] Optionally, the light-transmitting area 111 is constructed as a hollow structure, so that whether the electrochromic layer 121 changes color can be observed through the hollow structure, thereby determining whether the heating element 120 is working.

[0106] Optionally, the light-transmitting area 111 includes a transparent member having light transmittance, so that it is possible to observe through the transparent member whether the electrochromic layer 121 changes color, and further determine whether the heating element 120 is working.

[0107] like Figure 1 , Figure 2 and Figure 3 As shown, in some embodiments, optionally, the electrochromic layer 121 can generate heat and change color when powered on.

[0108] In this embodiment, the electrochromic layer 121 can generate heat and change color when powered on, that is, when the electrochromic layer 121 is powered on, it can change color and realize the heating function. It can be used for auxiliary heating of the cooking utensil 100, or for heating the cover 113 of the body 110 to reduce condensation water on the cover 113 and improve the cooking effect of the food.

[0109] like Figure 3 As shown, in some embodiments, optionally, the electrochromic layer 121 includes a graphene heating element and an electrochromic body.

[0110] In this embodiment, it is defined that the electrochromic layer 121 includes a graphene heating element and an electrochromic body. It can be understood that the electrochromic body is an electrochromic material. In other words, the electrochromic layer 121 is a composite layer including a graphene heating element and an electrochromic material, that is, the graphene heating element and the electrochromic material are mixed together, so as to obtain an electrochromic layer 121 that can generate heat and change color when powered on, and further enable the electrochromic layer 121 to generate heat and change color when the heating element 120 is working.

[0111] In addition, since the electrochromic layer 121 includes a graphene heater, it is understandable that the graphene heater can generate far infrared rays when powered on, and the far infrared rays can be emitted into the cooking cavity 112 of the body 110 to improve the cooking effect of the food.

[0112] It is understandable that the graphene heating element and the electrochromic material can be mixed in a set ratio.

[0113] like Figure 4 and Figure 5 As shown, in some embodiments, optionally, the heating element 120 further includes a heating layer 122 , and the heating layer 122 is disposed on a side of the electrochromic layer 121 away from the light-transmitting area 111 , or the heating layer 122 is disposed on a side of the electrochromic layer 121 close to the light-transmitting area 111 .

[0114] In this embodiment, it is defined that the heating element 120 also includes a heating layer 122, that is, the electrochromic layer 121 and the heating layer 122 are an obvious two-layer structure. Specifically, the heating layer 122 is arranged on the side of the electrochromic layer 121 away from the light-transmitting area 111, that is, along the height direction of the body 110, from top to bottom, the electrochromic layer 121 and the heating layer 122 are arranged in sequence.

[0115] Alternatively, the heating layer 122 is disposed on a side of the electrochromic layer 121 close to the light-transmitting area 111 , that is, along the height direction of the body 110 , the heating layer 122 and the electrochromic layer 121 are arranged in sequence from top to bottom.

[0116] By providing the heating layer 122 , the heating function of the heating element 120 can be realized.

[0117] It can be understood that when the heating layer 122 is arranged on the side of the electrochromic layer 121 close to the light-transmitting area 111, in order to ensure that the user can observe whether the electrochromic layer 121 changes color through the light-transmitting area 111, and then judge whether the heating element 120 is in a working state, the heating layer 122 is a transparent layer, that is, the heating layer 122 is light-transmitting.

[0118] Optionally, the heating layer 122 includes a graphene heating layer 125 .

[0119] like Figure 4 and Figure 5 As shown, in some embodiments, optionally, the heating layer 122 includes an electric heating layer, and the electrochromic layer 121 and at least one of the electric heating layers are connected to a power source.

[0120] In this embodiment, it is defined that the heating layer 122 includes an electric heating layer. Specifically, the electrochromic layer 121 and at least one of the electric heating layers are connected to a power source. It can be understood that both the electrochromic layer 121 and the electric heating layer are conductive.

[0121] Specifically, the electrochromic layer 121 is connected to a power source. Alternatively, the electric heating layer is connected to a power source. Alternatively, the electrochromic layer 121 and the electric heating layer are connected to power sources respectively. The specific configuration can be made according to actual needs.

[0122] It is understandable that the electrochromic layer 121 and the electric heating layer can be connected in series or in parallel. Specifically, when the electrochromic layer 121 and the electric heating layer are connected in series, the electrochromic layer 121 and the electric heating layer are powered on and controlled together, that is, when powered on, the electrochromic layer 121 generates heat and changes color at the same time.

[0123] When the electrochromic layer 121 and the electric heating layer are connected in parallel, they can work simultaneously or be controlled to work separately, which is more flexible.

[0124] like Figure 5 As shown, in some embodiments, optionally, the heating element 120 further includes an insulating layer 123 , and the insulating layer 123 is disposed between the electrochromic layer 121 and the heating layer 122 .

[0125] In this embodiment, it is defined that the heating element 120 further includes an insulating layer 123 . Specifically, the insulating layer 123 is disposed between the electrochromic layer 121 and the heating layer 122 to improve the safety performance of the heating element 120 .

[0126] like Figure 4 As shown, in some embodiments, optionally, the heating layer 122 includes a graphene heating layer 125 .

[0127] In this embodiment, it is defined that the heating layer 122 includes a graphene heating layer 125, that is, the graphene heating layer 125 includes a graphene heating element. It can be understood that the graphene heating element has conductivity, so that the graphene heating element can generate heat when electricity is supplied.

[0128] At the same time, the graphene heating element can emit far infrared rays when powered on, and the far infrared rays are emitted into the cooking cavity 112, thereby improving the heating effect on the food and improving the heating efficiency of the cooking appliance 100.

[0129] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, in some embodiments, optionally, the heating element 120 also includes a substrate 124, the substrate 124 is disposed on the body 110, and the electrochromic layer 121 is disposed on a side of the substrate 124 facing the light-transmitting area 111; wherein the heating layer 122 is located between the electrochromic layer 121 and the substrate 124, or the electrochromic layer 121 is located between the heating layer 122 and the substrate 124.

[0130] In this embodiment, it is defined that the heating element 120 also includes a substrate 124. Specifically, the substrate 124 is arranged on the body 110, and the electrochromic layer 121 is arranged on the side of the substrate 124 facing the light-transmitting area 111, so that the user can intuitively observe the color change of the electrochromic layer 121 through the light-transmitting area 111, and it can be determined that the heating element 120 is working at this time.

[0131] By providing the substrate 124 , structural support is provided for the electrochromic layer 121 , thereby ensuring the installation stability and reliability of the electrochromic layer 121 on the body 110 .

[0132] Optionally, the substrate 124 includes a light-transmitting member or a non-light-transmitting member, which can be specifically configured according to actual needs.

[0133] Specifically, the substrate 124 includes a light-transmitting member, wherein the substrate 124 includes one of heat-resistant glass, high borosilicate glass, tempered glass, microcrystalline board and transparent parmigma board.

[0134] Alternatively, the substrate 124 includes a metal material such as transparent aluminum. It is understandable that when the substrate 124 includes a metal material such as transparent aluminum, an insulating coating needs to be provided on the side of the substrate 124 facing the electrochromic layer 121 .

[0135] The substrate 124 includes a non-light-transmitting member, that is, the substrate 124 is an opaque temperature-resistant material. Specifically, the substrate 124 includes a metal material or a non-metal material such as a stainless steel plate or an aluminum plate. It is understood that if the substrate 124 is a metal material, an insulating coating needs to be provided on the side of the substrate 124 facing the electrochromic layer 121.

[0136] like Figure 2 As shown, in some embodiments, optionally, the shortest distance L1 between the outer edge of the heating layer 122 and the outer edge of the substrate 124 satisfies 3mm≤L1≤30mm.

[0137] In this embodiment, the shortest distance between the outer edge of the heating layer 122 and the outer edge of the substrate 124 is defined as being between 3 mm and 30 mm. It is understood that the heating layer 122 is capable of generating heat, and by providing a certain distance between the outer edge of the heating layer 122 and the outer edge of the substrate 124, it is possible to prevent the heating layer 122 from causing excessive temperature rise of components other than the substrate 124 when generating heat, thereby increasing the service life of the cooking device 100, and increasing the area of ​​the heating layer 122 as much as possible, thereby improving the heating efficiency of the heating element 120.

[0138] Optionally, 5mm≤L1≤20mm.

[0139] Optionally, 8mm≤L1≤12mm.

[0140] like Figure 1 and Figure 2 As shown, in some embodiments, optionally, the cooking appliance 100 further includes a sealing member 130 , which is disposed on the peripheral side of the base plate 124 and located at the connection between the base plate 124 and the body 110 .

[0141] In this embodiment, it is defined that the cooking appliance 100 also includes a seal 130. Specifically, the seal 130 is arranged on the peripheral side of the substrate 124, that is, the seal 130 is arranged at the outer edge of the substrate 124, and the seal 130 is located at the connection between the substrate 124 and the body 110, thereby sealing the connection between the substrate 124 and the body 110.

[0142] During the operation of the cooking appliance 100, the steam in the cooking cavity 112 is prevented from entering between the light-transmitting area 111 and the electrochromic layer 121 through the connection between the substrate 124 and the body 110, thereby affecting the light transmittance of the light-transmitting area 111, thereby ensuring that the user can clearly observe whether the electrochromic layer 121 changes color through the light-transmitting area 111, and thus accurately determine whether the heating element 120 is working.

[0143] In addition, since the electrochromic layer 121 is a conductive member, by providing a seal 130 at the connection between the substrate 124 and the body 110, it is also possible to prevent the steam in the cooking cavity 112 from contacting the electrochromic layer 121 and causing safety accidents, thereby improving the safety performance of the cooking appliance 100.

[0144] like Figure 2 As shown, in some embodiments, optionally, the shortest distance L2 between the outer edge of the heating layer 122 and the side of the sealing member 130 close to the heating layer 122 satisfies 0mm≤L2≤30mm.

[0145] In this embodiment, the shortest distance between the outer edge of the heating layer 122 and the side of the sealing member 130 close to the heating layer 122 is defined as between 0 mm and 30 mm. It is understandable that the heating layer 122 can generate heat, and by providing a certain distance between the outer edge of the heating layer 122 and the sealing member 130, it is possible to avoid the heating layer 122 from burning the sealing member 130 when generating heat, thereby increasing the service life of the sealing member 130, and increasing the area of ​​the heating layer 122 as much as possible, thereby improving the heating efficiency of the heating member 120.

[0146] Optionally, 5mm≤L2≤10mm.

[0147] In some embodiments, optionally, the substrate 124 includes a light-transmitting member; and / or the substrate 124 includes an insulating member.

[0148] In this embodiment, specifically, the substrate 124 includes a light-transmitting member, that is, the substrate 124 is light-transmitting, so that when the heating element 120 is in operation or stops working, when the electrochromic layer 121 is light-transmitting, the user can observe the state of the food in the cooking cavity 112 through the light-transmitting area 111, the electrochromic layer 121 and the substrate 124, thereby improving the user experience.

[0149] Furthermore, the changes and states of the food in the cooking cavity 112 can be observed without additionally providing a light-transmitting device on the body 110 , thereby simplifying the structure of the cooking utensil 100 and reducing the production cost of the cooking utensil 100 .

[0150] In addition, when the electrochromic layer 121 includes a graphene heater, it can be understood that the graphene heater can emit far-infrared rays when powered on. Since the substrate 124 is light-transmitting, the far-infrared rays emitted by the graphene heater can pass through the light-transmitting substrate 124 and enter the cooking cavity 112, thereby improving the cooking effect of the food in the cooking cavity 112.

[0151] Optionally, the substrate 124 needs to have good temperature resistance. Specifically, the substrate 124 includes one of heat-resistant glass, high borosilicate glass, tempered glass, microcrystalline board and transparent parmigma board.

[0152] Alternatively, the substrate 124 includes a metal material such as transparent aluminum. It is understandable that when the substrate 124 includes a metal material such as transparent aluminum, an insulating coating needs to be provided on the side of the substrate 124 facing the electrochromic layer 121 .

[0153] like Figure 3 and Figure 4 As shown, in some embodiments, optionally, the heating element 120 further includes a protective layer 126, and the protective layer 126 is disposed on a side of the electrochromic layer 121 close to the light-transmitting area 111; wherein the protective layer 126 is light-transmitting.

[0154] In this embodiment, it is defined that the heating element 120 also includes a protective layer 126. Specifically, the protective layer 126 is arranged on a side of the electrochromic layer 121 close to the light-transmitting area 111, thereby protecting the electrochromic layer 121, improving the safety performance of the heating element 120, and further improving the safety of the cooking appliance 100.

[0155] The protective layer 126 is light-transmissive, so that while the protective layer 126 protects the electrochromic layer 121, it ensures that when the heating element 120 is working, the color change of the electrochromic layer 121 can be observed by the user through the light-transmissive area 111, thereby preventing the user from touching the body 110 with a higher temperature and getting burned.

[0156] In some embodiments, the protective layer 126 optionally includes an insulating member.

[0157] In this embodiment, it is defined that the protective layer 126 includes an insulating member, that is, the protective layer 126 is an insulating material, thereby increasing the safety performance of the heating element 120, preventing the occurrence of safety accidents caused by poor sealing, and further improving the safety of the cooking appliance 100.

[0158] like Figure 1 and Figure 2 As shown, in some embodiments, optionally, the body 110 is further provided with a cooking cavity 112; when the heating element 120 is in operation, the electrochromic layer 121 is able to transmit light, so that the light-transmitting area 111 is connected to the cooking cavity 112 through the electrochromic layer 121.

[0159] In this embodiment, the machine body 110 is provided with a cooking cavity 112. It can be understood that the cooking cavity 112 can accommodate food.

[0160] Optionally, the heating element 120 can heat the cooking cavity 112 . It is understandable that the heating element 120 heats the cooking cavity 112 , thereby assisting in heating and cooking the food in the cooking cavity 112 , thereby improving the heating efficiency of the food in the cooking cavity 112 .

[0161] Alternatively, when the cooking device 100 stops working, the heating element 120 is turned on, so that the cooking cavity 112 is heated by the heating element 120 to achieve the purpose of keeping the food in the cooking cavity 112 warm.

[0162] When the heating element 120 is in operation, the electrochromic layer 121 is light-transmissive, and external light can enter the cooking cavity 112 through the light-transmissive area 111 and the electrochromic layer 121. In other words, when the heating element 120 is in operation, the electrochromic layer 121 can turn transparent, so that the user can observe the cooking state and cooking process of the food in the cooking cavity 112 through the light-transmissive area 111, thereby improving the user experience.

[0163] Furthermore, the changes and processes of the food in the cooking cavity 112 can be observed without additionally providing a light-transmitting device on the body 110 , thereby simplifying the structure of the cooking utensil 100 and reducing the production cost of the cooking utensil 100 .

[0164] In addition, when the user observes the food in the cooking cavity 112 through the light-transmitting area 111 and the electrochromic layer 121, it indicates that the heating element 120 is working, thereby indirectly knowing whether the heating element 120 is in working state, thereby avoiding the problem of scalding caused by touching the high-temperature body 110.

[0165] Optionally, when the heating element 120 is working, the electrochromic layer 121 changes color, such as a transparent color with flames, so that it is possible to visually observe whether the heating element 120 is working and the ingredients in the cooking cavity 112, thereby improving the user's experience of using the cooking device 100.

[0166] Alternatively, when the heating element 120 is working, the electrochromic layer 121 first turns into flame color or red, etc., and then turns into transparent color after a period of time.

[0167] Optionally, when the heating element 120 stops working, the electrochromic layer 121 is transparent, and when the heating element 120 is working, the electrochromic layer 121 becomes non-transparent. The specific configuration can be made according to actual needs.

[0168] like Figure 1 As shown, in some embodiments, optionally, the body 110 includes a cover body 113, a pot body 114 and a heating device 140, wherein the heating element 120 is disposed on the cover body 113, the pot body 114 is connected to the cover body 113, and is enclosed with the cover body 113 to form a cooking cavity 112, and the heating device 140 is disposed on the pot body 114 for heating the cooking cavity 112.

[0169] In this embodiment, the machine body 110 is defined to include a cover body 113 , a pot body 114 and a heating device 140 . Specifically, the cover body 113 and the pot body 114 are combined to form a cooking cavity 112 .

[0170] Optionally, the cover 113 is connected to the pot body 114 in an openable and closable manner, so that the user can take out and put in the food in the cooking cavity 112 by opening the cover 113 .

[0171] Optionally, the pot body 114 includes a base and an inner pot, the base is provided with a receiving cavity, and the inner pot is arranged in the receiving cavity.

[0172] The heating element 120 is disposed on the cover 113 , and the heating device 140 is disposed on the pot body 114 . That is, the heating element 120 serves to assist in heating the cooking cavity 112 , so as to improve the heating efficiency of the food in the cooking cavity 112 .

[0173] In addition, the heating element 120 is arranged on the cover body 113, and the heating device 140 is arranged on the pot body 114. That is, the heating element 120 and the heating device 140 are located on both sides of the cooking cavity 112, so that the heating efficiency can be improved while improving the uniformity of heating of the food, thereby improving the cooking effect of the food.

[0174] It is understandable that during the operation of the cooking appliance 100, steam is generated in the cooking cavity 112. When the steam contacts the cover 113 with a lower temperature, condensed water is generated. The condensed water drips onto the food, which affects the cooking effect and appearance of the food.

[0175] The heating element 120 is disposed on the cover 113 , and by heating the cover 113 , condensed water on the cover 113 can be reduced, thereby ensuring the cooking effect and appearance of the food.

[0176] Optionally, the heating device 140 includes a coil disk heating assembly or a hot plate heating assembly.

[0177] Optionally, the cooking appliance 100 also includes a control panel 160, a power board, a steam valve assembly 190, a thermostat 170 and a reflective cover 150. Specifically, the power board is connected to the control panel 160 and the heating element 120, and the reflective cover 150 is arranged on the side of the heating element 120 away from the cooking cavity 112 to improve the heat radiation to the cooking cavity 112, thereby improving the heating efficiency of the food in the cooking cavity 112.

[0178] The machine body 110 is further provided with a steam passage 180 , which is communicated with the cooking cavity 112 . The steam valve assembly 190 is used to open or close the steam passage 180 .

[0179] In addition, the cooking appliance 100 further includes a sealing ring 230 , a pressing ring 240 , an anti-insect sealing ring 210 and a channel sealing ring 220 .

[0180] In the description of this specification, the terms "connection", "installation", "fixation" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0181] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0182] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cooking utensil, characterized in that: include: A body, wherein the body is provided with a light-transmitting area; A heating element is arranged on the machine body, and the heating element comprises an electrochromic layer, at least a part of which is opposite to the light-transmitting area. When the heating element is in a working state, the electrochromic layer can be energized and change color.

2. The cooking device according to claim 1, characterized in that: The electrochromic layer can generate heat and change color when electricity is supplied.

3. The cooking device according to claim 2, characterized in that: The electrochromic layer includes a graphene heating element and an electrochromic body.

4. The cooking device according to claim 1, characterized in that: The heating element further comprises: The heating layer is arranged on a side of the electrochromic layer away from the light-transmitting area, or the heating layer is arranged on a side of the electrochromic layer close to the light-transmitting area.

5. The cooking device according to claim 4, characterized in that: The heating layer includes an electric heating layer, and the electrochromic layer and at least one of the electric heating layers are connected to a power source.

6. The cooking device according to claim 4, characterized in that: The heating element further comprises: The insulating layer is arranged between the electrochromic layer and the heating layer.

7. The cooking device according to claim 4, characterized in that: The heating layer includes a graphene heating layer.

8. The cooking device according to claim 4, characterized in that: The heating element further comprises: A substrate is disposed on the body, and the electrochromic layer is disposed on a side of the substrate facing the light-transmitting area; Wherein, the heating layer is located between the electrochromic layer and the substrate, or the electrochromic layer is located between the heating layer and the substrate.

9. The cooking device according to claim 8, characterized in that: The shortest distance L1 between the outer edge of the heating layer and the outer edge of the substrate satisfies 3mm≤L1≤30mm.

10. The cooking appliance according to claim 8, characterized in that Also includes: The sealing member is arranged on the peripheral side of the substrate and is located at the connection between the substrate and the body.

11. The cooking device according to claim 10, characterized in that: The shortest distance L2 between the outer edge of the heating layer and the side of the seal close to the heating layer satisfies 0mm≤L2≤30mm.

12. The cooking appliance according to claim 8, characterized in that The substrate includes a light-transmitting member; and / or The substrate includes an insulating member.

13. The cooking device according to any one of claims 1 to 12, characterized in that: The heating element further comprises: A protective layer, disposed on a side of the electrochromic layer close to the light-transmitting area; Wherein, the protective layer is light-transmissive.

14. The cooking appliance according to claim 13, characterized in that The protective layer includes an insulating member.

15. The cooking appliance according to any one of claims 1 to 12, characterized in that: The machine body is also provided with a cooking cavity; When the heating element is in operation or stops working, the electrochromic layer can transmit light, so that the light-transmitting area is connected with the cooking cavity through the electrochromic layer.

16. The cooking appliance according to claim 15, characterized in that The body comprises: A cover body, wherein the heating element is arranged on the cover body; A pot body connected to the cover body and enclosed with the cover body to form the cooking cavity; The heating device is arranged on the pot body and is used for heating the cooking cavity.

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