An electric ceramic stove

Abstract

The utility model relates to a kind of electric ceramic stove, and it is related to the technical field of household appliances, it includes bottom shell and panel assembled on bottom shell, the bottom shell and panel are jointly enclosed with assembly cavity, heating disc is provided in the assembly cavity, the panel is equipped with heating area, heating resistance wire, detection component, heating area and detection area are provided in the heating disc, the detection component includes detection shell and temperature detection component and gravity detection component arranged in detection shell, the top of detection shell is connected with the heating area of panel;With such design, by temperature detection and gravity detection, electric ceramic stove can automatically adjust heating power or stop heating according to the actual situation of pot body, this intelligent two-in-one design makes user more worry-free and at ease when using electric ceramic stove, without needing to pay attention to the heating state of pot body, provide more convenient, comfortable cooking experience for user.

Description

Technical Field

[0001] This utility model relates to the technical field of household appliances, specifically an electric ceramic stove. Background Technology

[0002] As a new type of kitchen cooking appliance, the electric ceramic stove has gradually gained a certain market share since its introduction due to its unique heating principle and many advantages. Traditional stoves, such as gas stoves, have safety hazards such as gas leaks and incomplete combustion that produces harmful gases; while induction cookers have strict requirements on the materials of cookware, and can only use cookware made of ferromagnetic materials, which limits the range of choices for users.

[0003] Ceramic cooktops use infrared heating technology, generating heat through nickel-chromium alloy heating wires within the cooktop. The working principle involves converting electrical energy into heat energy, which is then radiated as infrared rays to heat the cookware. This heating method is not limited by the material of the cookware; it can be used with cookware made of iron, aluminum, ceramic, glass, and other materials, making it highly versatile. Furthermore, ceramic cooktops offer advantages such as even heating, a wide temperature adjustment range, and no electromagnetic radiation, making them popular among consumers.

[0004] Currently, electric ceramic cooktops are widely used in home kitchens, restaurants, hot pot restaurants, and other places. They can be used for various cooking methods such as stir-frying, grilling steaks, cooking hot pot, and toasting bread. Common functions include temperature adjustment, timer switch, and power level adjustment. Users can freely adjust the temperature and power of the electric ceramic cooktop according to different cooking needs to achieve the best cooking results.

[0005] In the cooking process, the state of water and temperature are two very important parameters. For example, in cooking scenarios that require adding water, such as boiling noodles or soup, the evaporation of water and temperature changes directly affect the cooking effect of the food. Existing electric ceramic stoves can often only perform temperature measurement or simple water detection functions, and cannot accurately monitor the presence and temperature of water at the same time.

[0006] If an electric ceramic cooktop can only measure temperature, it cannot detect the water loss in time when the water in the pot boils dry. Continuing to heat the pot may damage the cookware, burn the food, or even cause a fire or other safety accidents. Conversely, if the electric ceramic cooktop only has a water detection function but cannot monitor the water temperature in real time, the user will not be able to accurately grasp the water heating progress and will find it difficult to adjust the cooking strategy according to the changes in water temperature, which may result in food being undercooked or overcooked.

[0007] Because existing ceramic cooktops lack integrated water and temperature monitoring technology, users need to manually and frequently observe the state and temperature of the water in the pot during cooking. For example, when boiling water, users need to check from time to time whether the water has boiled, and once the water has boiled, they need to turn off the ceramic cooktop in time to prevent the water from boiling dry. This manual operation not only increases the user's workload, but also easily leads to safety problems due to negligence. Moreover, for some cooking tasks that require precise control of water temperature, such as brewing coffee or tea, it is difficult for users to accurately grasp the water temperature by manual observation, which affects the quality of cooking.

[0008] In today's rapidly developing smart home industry, consumers have increasingly higher demands for the intelligence of kitchen appliances. The integration of water detection and temperature measurement technology is a key step for electric ceramic cooktops to achieve intelligent cooking. Due to the lack of this technology, existing electric ceramic cooktops cannot automatically adjust the heating power and time according to the state and temperature of the water in the pot, making it difficult to achieve truly intelligent cooking. This puts electric ceramic cooktops at a disadvantage in market competition and fails to meet consumers' needs for a convenient, efficient, and intelligent kitchen life.

[0009] This utility model was proposed in response to the shortcomings of the existing technology. Utility Model Content

[0010] This addresses the technical problem mentioned above: the lack of integrated water detection and temperature measurement technology in existing electric ceramic stoves.

[0011] The technical solution adopted by this utility model to solve its technical problem is:

[0012] An electric ceramic stove includes a bottom shell and a panel mounted on the bottom shell. The bottom shell and the panel together enclose an assembly cavity. A heating plate is disposed in the assembly cavity. The panel has a heating area corresponding to the heating plate. A heating resistance wire, a detection component, a heating area, and a detection area are disposed in the heating plate. The heating resistance wire is installed in the heating area. The detection component is installed in the detection area. The detection component includes a detection housing and a temperature detection component and a gravity detection component disposed in the detection housing. The top of the detection housing is connected to the heating area of ​​the panel.

[0013] In the electric ceramic stove described above, the heating resistance wire is a high-resistance electrothermal alloy coiled in a spiral shape, and the middle region of the heating resistance wire has a clearance area, with the detection area located within the clearance area.

[0014] As described above, in an electric ceramic stove, the heating resistance wire is a high-resistance electrothermal alloy coiled in a spiral shape, and there is a clearance area between one side of the heating resistance wire and the inner sidewall of the heating plate, with the detection area located in the clearance area.

[0015] In an electric ceramic stove as described above, the top of the detection housing abuts against the bottom of the heating area of ​​the panel.

[0016] As described above, in an electric ceramic stove, a through hole is provided on the heating zone, and the top of the detection housing extends through the through hole, with the top of the detection housing being at the same height as the top of the heating zone; or, the top of the detection housing is slightly higher than the top of the heating zone.

[0017] In the electric ceramic stove described above, the top of the temperature sensing component is close to or abuts against the top inner wall of the sensing housing.

[0018] In the electric ceramic stove described above, the temperature detection component includes a thermistor or a thermocouple.

[0019] In the electric ceramic stove described above, the top of the gravity detection component abuts against the top inner wall of the detection housing.

[0020] In the electric ceramic stove described above, the gravity detection component includes a gravity sensor.

[0021] In the electric ceramic stove described above, the outer wall of the detection housing is made of heat-insulating material.

[0022] The beneficial effects of this utility model are as follows:

[0023] This utility model relates to the technical field of household appliances. It includes a bottom shell and a panel mounted on the bottom shell. A mounting cavity is enclosed between the bottom shell and the panel. A heating plate is disposed within the mounting cavity. The panel has a heating area. The heating plate contains a heating resistance wire, a detection component, a heating area, and a detection area. The detection component includes a detection housing and a temperature detection component and a gravity detection component disposed within the detection housing. The top of the detection housing is connected to the heating area of ​​the panel. With this design, through temperature and gravity detection, the electric ceramic cooker can automatically adjust the heating power or stop heating according to the actual condition of the pot. This intelligent two-in-one design makes using the electric ceramic cooker more worry-free and reassuring, eliminating the need to constantly monitor the heating status of the pot. Even in busy or negligent situations, the electric ceramic cooker can automatically ensure safety, providing users with a more convenient and comfortable cooking experience.

[0024] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of an electric ceramic stove according to the present invention (an embodiment in which the heating zone has no through holes);

[0026] Figure 2 This is an exploded view of an electric ceramic stove according to the present invention (an embodiment in which the heating zone has no through holes and the detection component is located in the middle area of ​​the heating resistance wire).

[0027] Figure 3 This is a top view of an electric ceramic stove according to the present invention (an embodiment in which the heating zone has no through holes and the detection component is located in the middle area of ​​the heating resistance wire).

[0028] Figure 4 for Figure 3 Cross-sectional view and enlarged view along line AA;

[0029] Figure 5 This is an exploded view of an electric ceramic stove according to the present invention (an embodiment in which the heating zone has no through holes and the detection component is located on one side of the heating resistance wire).

[0030] Figure 6 This is a schematic diagram of the structure of an electric ceramic stove according to the present invention (an embodiment in which the heating zone has through holes and the detection component is located in the middle area of ​​the heating resistance wire).

[0031] Figure 7 This is a schematic diagram of the structure of an electric ceramic stove according to the present invention (an embodiment in which the heating zone has a through hole and the detection component is located on one side of the heating resistance wire).

[0032] Figure 8 This is a top view of the heating plate of this utility model (an embodiment where the detection component is located in the middle area of ​​the heating resistance wire).

[0033] Figure 9 This is a top view of the heating plate of this utility model (an embodiment where the detection component is located on one side of the heating resistance wire). Detailed Implementation

[0034] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0035] like Figures 1 to 9 As shown, an electric ceramic stove according to this embodiment includes a bottom shell 1 and a panel 2 assembled on the bottom shell 1. The bottom shell 1 and the panel 2 together enclose an assembly cavity 3. A heating plate 4 is disposed in the assembly cavity 3. The panel 2 is provided with a heating area 21 corresponding to the heating plate 4. The heating plate 4 is provided with a heating resistance wire 5, a detection component 6, a heating area 7, and a detection area 8. The heating resistance wire 5 is installed in the heating area 7, and the detection component 6 is installed in the detection area 8. The detection component 6 includes a detection housing 61 and a temperature detection component 62 and a gravity detection component 63 disposed in the detection housing 61. The top of the detection housing 61 is connected to the heating area 21 of the panel 2.

[0036] Specifically, when the electric ceramic stove is turned on, the current passes through the heating resistance wire 5 in the heating area 7 of the heating plate 4. The heating resistance wire 5 generates heat, which is transferred to the heating area 21 of the panel 2 through heat transfer, thereby heating the pot placed on the heating area 21.

[0037] Temperature detection component 62 is installed inside detection housing 61. The top of detection housing 61 is connected to heating area 21 of panel 2. When the pot is placed on heating area 21 and heated, the temperature of the pot is transmitted to temperature detection component 62 inside detection housing 61 through panel 2. Temperature detection component 62 converts the detected temperature signal into an electrical signal and transmits it to the control system of electric ceramic stove. If the detected temperature exceeds the preset safe temperature threshold, the control system will automatically adjust the current of heating resistance wire 5 to reduce heating power and prevent the pot from overheating.

[0038] Preferably, the gravity detection component 63 is also installed inside the detection housing 61. When the pot is placed on the heating zone 21, the weight of the pot is transmitted to the gravity detection component 63 inside the detection housing 61 through the panel 2. The gravity detection component 63 converts the detected gravity signal into an electrical signal and transmits it to the control system of the electric ceramic stove. The control system determines whether the weight of the pot is within the normal weight range under water conditions based on the received gravity signal. If the weight of the pot is too light and below the preset weight threshold, the control system will determine that the pot may be in a dry-burning state, thereby automatically cutting off the power supply to the heating resistance wire 5 and stopping heating.

[0039] With this design, the temperature detection component 62 can monitor the pot temperature in real time, effectively preventing the pot from overheating due to prolonged heating or excessive heating power. This avoids safety hazards such as pot damage, food burning, or even fire caused by overheating, ensuring user safety.

[0040] Furthermore, the gravity detection component 63 determines whether there is water in the pot by detecting the weight of the pot body. Once signs of dry burning are detected, the power is cut off in time, avoiding damage to the electric ceramic stove and pot body caused by dry burning, extending the service life of the electric ceramic stove and cookware, and also reducing the safety risks caused by dry burning.

[0041] By detecting temperature and gravity, the electric ceramic stove can automatically adjust the heating power or stop heating according to the actual situation of the pot, avoiding unnecessary energy waste. For example, when the pot reaches a suitable temperature, the heating power is reduced; when dry burning is detected, heating is stopped immediately, thereby achieving energy saving and reducing the user's operating costs.

[0042] This intelligent two-in-one design makes using the electric ceramic cooktop more worry-free and reassuring. Users don't need to constantly monitor the heating status of the pot. Even when busy or negligent, the electric ceramic cooktop can automatically ensure safety, providing users with a more convenient and comfortable cooking experience.

[0043] like Figures 1 to 9 As shown, the heating resistance wire 5 in this embodiment is a high-resistance electrothermal alloy coiled into a spiral shape. The middle region of the heating resistance wire 5 has a clearance area, and the detection area 8 is located in the clearance area.

[0044] The heating resistance wire 5 is made of a high-resistance electrothermal alloy coiled into a spiral shape. When current passes through the heating resistance wire, due to its high resistance, electrical energy is converted into heat energy, causing the resistance wire to heat up. The spiral design increases the length of the resistance wire, and under the same material and cross-sectional area, the resistance increases, thereby generating more heat under the same current, providing sufficient heat for the heating zone 21 of the electric ceramic stove to heat the cookware.

[0045] Specifically, a clearance zone is set in the middle area of ​​the heating resistance wire 5, and the detection area 8 is located in the clearance zone. The temperature detection component 62 and the gravity detection component 63 in the detection assembly 6 are installed in the detection area 8. They can be unaffected by the strong heat field generated when the heating resistance wire 5 heats up, and can more accurately detect the temperature and weight of the pot placed in the heating area 21. The temperature detection component 62 obtains the temperature information of the pot by sensing the heat transferred from the pot to the panel; the gravity detection component 63 detects the weight of the pot by bearing the gravity transferred from the pot to the panel.

[0046] By placing the detection area 8 in the avoidance zone, the high temperature directly generated by the heating resistance wire 5 is avoided from affecting the temperature detection component 62. The temperature detection component located in the avoidance zone can more accurately reflect the true temperature of the pot, enabling the electric ceramic stove to more precisely control the heating power and prevent the pot from overheating.

[0047] The clearance zone provides a relatively stable detection environment for the gravity detection component 63, making the gravity detection results more reliable and thus more effectively determining whether there is water inside the pot, preventing dry burning.

[0048] The heating resistance wire is coiled into a spiral shape with a clearance area for placing the detection area. This design ensures that the heating resistance wire has enough length to generate heat within the limited space of the heating plate, and also rationally arranges the position of the detection components, making the internal structure of the entire ceramic furnace more compact and saving space in the assembly cavity 3, which is conducive to the miniaturization design of the ceramic furnace.

[0049] Furthermore, this layout allows for relatively independent installation of the heating resistance wire and the detection component. During the production and assembly process, workers can install and debug the heating resistance wire and the detection component separately, which improves production efficiency and reduces assembly difficulty.

[0050] The spiral heating resistance wire allows heat to be distributed more evenly in the heating zone 21. At the same time, the central clearance area does not disrupt the overall heating layout. Instead, it allows heat to diffuse to the surroundings in a more reasonable way, reducing local overheating or underheating during the heating process. This makes the cookware heat more evenly and improves the cooking effect.

[0051] In other embodiments, a clearance zone is provided between one side of the heating resistance wire 5 and the inner sidewall of the heating plate 4, and the detection area 8 is located in the clearance zone.

[0052] Specifically, the detection area is set in the clearance zone between one side of the heating resistance wire and the inner wall of the heating plate, so that the temperature detection component and the gravity detection component in the detection assembly can work in a relatively stable environment.

[0053] Preferably, the detection area is set in the avoidance zone to avoid direct thermal interference from the heating resistance wire, so that the temperature detection component can more accurately measure the temperature of the cookware, thereby providing a reliable basis for the precise control of the heating power of the electric ceramic stove and preventing the cookware from overheating or underheating.

[0054] The heating resistance wire may generate slight vibrations during the heating process. These vibrations may interfere with the measurement results of the gravity detection component. The existence of the avoidance zone keeps the gravity detection component away from the heating resistance wire, reducing the impact of vibration, ensuring the accuracy of gravity detection, and helping to more reliably determine whether there is water in the pot, thus avoiding dry burning.

[0055] Within the limited internal space of the ceramic cooker, this design cleverly separates the heating and detection functions. The heating resistance wire can make full use of the internal space of the heating plate and be arranged in a suitable way to achieve efficient heating; while the detection area utilizes the gap between the heating resistance wire and the inner wall of the heating plate, without occupying a lot of extra space, making the internal structure of the ceramic cooker more compact and conducive to the miniaturization design of the product.

[0056] By separating the detection area and the heating resistance wire into different areas, when the ceramic cooker malfunctions and needs repair, maintenance personnel can more easily inspect and replace the heating resistance wire and the detection component separately, reducing the difficulty and cost of maintenance.

[0057] The avoidance zone setting does not disrupt the overall layout of the heating resistance wires. The heating resistance wires can be more rationally distributed within the heating plate, allowing heat to be transferred more evenly to the heating plate and the panel, thereby achieving uniform heating of the cookware and improving the cooking effect.

[0058] Since the detection area is relatively independent from the heating resistance wire, the operation of the detection component will not interfere with the normal operation of the heating resistance wire. At the same time, the heating of the heating resistance wire will not have an excessive impact on the detection component, thus ensuring the stability and reliability of the heating and detection functions of the electric ceramic furnace.

[0059] You can choose the appropriate design based on your actual needs.

[0060] like Figures 1 to 9 As shown, in this embodiment, the top of the detection housing 61 abuts against the bottom of the heating area 21 of the panel 2.

[0061] When the ceramic cooktop is working, the heating area of ​​the panel is heated by the heating plate, which in turn heats the pot placed on it. The top of the detection housing comes into contact with the bottom of the panel's heating area, and heat is transferred from the panel's heating area to the detection housing. The temperature detection component (such as a temperature sensor) inside the detection housing can sense this heat transfer and obtain the temperature information of the panel's heating area. Because the temperature of the panel's heating area is closely related to the temperature of the pot, by detecting the temperature of the panel's heating area, the temperature of the pot can be indirectly understood, so that the ceramic cooktop can adjust the heating power according to the detected temperature and achieve precise control of the cooking process.

[0062] When the cookware is placed on the control panel, its weight is transmitted through the panel to the detection housing. The gravity detection component (such as a pressure sensor) inside the housing is subjected to this pressure, which is converted into an electrical signal. By processing and analyzing the electrical signal, the weight information of the cookware can be obtained. Based on the change in the weight of the cookware, the electric ceramic stove can determine whether there is water in the cookware, the approximate amount of water, etc., and thus take corresponding protective measures to prevent dry burning and other situations from occurring.

[0063] The detection shell top directly contacts the bottom of the panel heating area, reducing heat loss and interference during heat transfer. This direct contact method can more accurately and timely reflect the actual temperature of the panel heating area, making the temperature detection result closer to the true temperature of the cookware. This helps the electric ceramic stove achieve more precise temperature control and avoids poor cooking results or safety hazards caused by inaccurate temperature detection.

[0064] The direct contact method allows the weight of the cookware to be transferred to the gravity detection component more directly and completely, reducing the force loss and deviation that may occur in the intermediate links. In this way, the gravity detection component can more accurately measure the weight of the cookware and improve the accuracy of judging the condition of the cookware, such as more accurately judging whether there is water in the cookware and the amount of water remaining.

[0065] The detection housing abuts against the bottom of the heating area of ​​the panel, forming a relatively stable physical connection structure. During the use of the electric ceramic stove, this connection method can ensure that the detection housing can still maintain good contact with the panel when subjected to external vibration or other interference, ensuring the normal operation of temperature and gravity detection functions and reducing detection errors or malfunctions caused by unstable connection.

[0066] This design allows the detection components to make full use of the space under the panel, eliminating the need for additional complex structures to connect to and detect the panel. The internal structure of the electric ceramic cooker is more compact, which is conducive to the miniaturization of the product and also reduces production costs.

[0067] The detection method of contact between the housing and the panel is relatively simple. During the production process of electric ceramic stoves, it is more convenient and quick to install the detection components. When the product malfunctions and needs to be repaired, it is also easier to disassemble and replace the detection components, which improves the repair efficiency and reduces the repair difficulty.

[0068] In some other embodiments, a through hole 22 is provided on the heating area 21, the top of the detection housing 61 extends through the through hole 22, and the top of the detection housing 61 is set at the same height as the top of the heating area 21; or, the top of the detection housing 61 is slightly higher than the top of the heating area 21.

[0069] When the heating zone of the ceramic cooktop is working, heat is transferred to the heating zone panel through the heating plate. Because the top of the detection housing has a through hole and is at the same or slightly higher level than the top of the heating zone, it can make more direct contact with the cookware placed on the heating zone. The heat from the cookware is quickly conducted to the detection housing, and the temperature sensor and other detection elements inside the detection housing can obtain the actual temperature information of the cookware in a timely and accurate manner. This direct contact temperature detection method avoids the loss and delay of heat conduction in the panel material, making the temperature detection more real-time and accurate. The ceramic cooktop can precisely adjust the heating power according to the detected cookware temperature to achieve precise temperature control during the cooking process.

[0070] When the cookware is placed in the heating zone, its weight acts directly on the top of the detection housing. The gravity detection element (such as a pressure sensor) inside the detection housing senses the pressure applied by the cookware and converts the pressure signal into an electrical signal. By processing and analyzing the electrical signal, the weight of the cookware can be accurately measured. Since the top of the detection housing is in direct contact with the cookware, the influence of the panel material on the gravity transmission is avoided, reducing energy loss and errors in the gravity transmission process. This allows for more accurate acquisition of the cookware's weight information, which helps the electric ceramic cooker determine the amount of food or liquid in the cookware and whether the cookware is empty.

[0071] The detection shell top is in direct contact with the cookware, eliminating the influence of the panel material on temperature conduction. This greatly improves the sensitivity and accuracy of temperature detection, enabling it to quickly respond to changes in cookware temperature. This allows the electric ceramic cooktop to adjust its heating strategy in a timely manner according to the actual temperature, avoiding overheating or underheating, thereby improving cooking results. For example, it can better control the heat of the steak when pan-frying, resulting in the ideal texture.

[0072] Furthermore, by directly bearing the weight of the cookware, the interference of intermediate links on the transmission of gravity is reduced, making the gravity detection more accurate. This allows for a more precise determination of the amount of food inside the cookware. For example, when cooking porridge, the amount of water evaporation can be determined based on changes in the weight of the cookware, and the heating power can be automatically adjusted to prevent the porridge from overflowing.

[0073] For cookware made of various materials, such as stainless steel, cast iron, and ceramic, the design of the test shell directly contacting the cookware ensures good testing results. Different cookware materials have different heat conduction properties and weight distribution. This direct contact testing method can adapt to these differences, ensuring accurate temperature and gravity testing for various cookware and improving the versatility of electric ceramic cooktops.

[0074] For some cookware with irregular bottom shapes, the design of the top of the detection shell being slightly higher than the top of the heating zone can better fit the bottom of the cookware, achieving effective temperature and gravity detection. Even if the bottom of the cookware has protrusions or depressions, the detection shell can still make full contact with the cookware, ensuring the normal operation of the detection function.

[0075] Because temperature detection is more timely and accurate, electric ceramic cooktops can adjust heating power more quickly, allowing cookware to reach the set cooking temperature faster, reducing preheating time and improving cooking efficiency. For example, when stir-frying, the pan can be heated up more quickly, allowing the cooking process to begin rapidly.

[0076] This design makes the interaction between the detection component and the cookware more direct. Users do not need to worry about inaccurate detection when using the electric ceramic stove. They can simply place the cookware normally on the heating zone. At the same time, the electric ceramic stove automatically adjusts the heating state based on accurate detection data, providing users with a smarter and more convenient cooking experience.

[0077] like Figures 1 to 9 As shown, the top of the temperature detection component 62 in this embodiment is close to or abuts against the top inner wall of the detection housing 61.

[0078] When the cookware is placed in the heating zone, heat is transferred from the cookware to the top of the detection housing. Because the top of the temperature detection component is close to or against the inner wall of the top of the detection housing, heat can be conducted from the top of the detection housing to the temperature detection component with the shortest path and the least thermal resistance. The detection housing acts as an intermediate medium for heat conduction, quickly transferring the heat from the cookware to the temperature detection component. The thermistor (such as a thermistor) inside the temperature detection component will generate a corresponding change in electrical signal as the temperature changes. By measuring and processing the electrical signal, the temperature of the cookware can be accurately determined. This design utilizes the basic principle of heat conduction, achieving rapid and efficient heat transfer by shortening the heat conduction path and reducing thermal resistance, thus enabling timely detection of changes in the cookware temperature.

[0079] After the temperature detection component detects a temperature change, it converts the temperature signal into an electrical signal. Because the temperature detection component is in close contact with or near the inner wall of the top of the detection housing, this close physical connection reduces the impact of external interference on the transmission of the electrical signal. The electrical signal can be stably and accurately transmitted from the temperature detection component to the subsequent control circuit. The control circuit adjusts the heating power of the electric ceramic stove according to the received temperature signal to achieve precise temperature control.

[0080] The close contact between the temperature sensing component and the inner wall of the top of the sensing housing allows heat to be quickly transferred to the temperature sensing component, greatly shortening the response time of temperature detection. When the temperature of the cookware changes, the temperature sensing component can sense this change in a short time and transmit the signal to the control circuit. For example, during the cooking process, when it is necessary to quickly increase the temperature of the cookware, the temperature sensing component can detect the temperature rise in time. The electric ceramic stove can adjust the heating power in time according to the detection result to avoid the temperature being too high or too low and affecting the cooking effect.

[0081] Because of the reduced thermal resistance, the temperature sensing component is more sensitive to minute temperature changes. Even if the temperature of the cookware fluctuates slightly, the temperature sensing component can accurately detect it and feed these minute temperature changes back to the control circuit, enabling the electric ceramic stove to make more precise temperature adjustments to meet some cooking needs with high temperature requirements, such as precise control of the oven temperature when baking cakes.

[0082] The design of the temperature detection component being close to or abutting the inner wall of the top of the detection housing reduces interference from external environmental factors on temperature detection. For example, it avoids the influence of air flow and changes in ambient temperature on temperature detection, making the temperature detection results more stable and reliable. In complex environments such as kitchens, it can ensure that the electric ceramic cooktop always accurately detects the temperature of the cookware, improving the reliability and stability of the electric ceramic cooktop.

[0083] The tight physical connection ensures stable electrical signal transmission between the temperature sensing component and the control circuit, reducing signal attenuation and distortion during transmission. This allows the control circuit to receive accurate temperature signals, make correct decisions, adjust the heating power, and ensure the stability and consistency of the cooking process.

[0084] Because of its more sensitive and stable temperature detection, the ceramic cooktop can precisely adjust the heating power according to the actual temperature of the cookware, avoiding overheating or underheating and reducing energy waste. For example, during the heat preservation stage, the ceramic cooktop can precisely control the heating power according to the detected temperature of the cookware, keeping the cookware at a suitable temperature, which not only meets the cooking needs but also reduces energy consumption.

[0085] The rapid temperature detection of the electric ceramic cooktop allows it to heat cookware to the set temperature more quickly, reducing energy loss during the heating process. After reaching the set temperature, it can also adjust the heating power in a timely manner to maintain it, further improving energy efficiency.

[0086] Preferably, the temperature detection component 62 includes a thermistor or a thermocouple, etc.

[0087] Specifically, thermistors are highly sensitive to temperature changes and can detect minute temperature variations. Especially within a certain temperature range, their resistance changes at a relatively high rate, making them suitable for applications requiring high temperature accuracy. Furthermore, thermistors are relatively inexpensive to manufacture, giving them a significant cost advantage in mass-produced products and reducing overall production costs. In addition, thermistors can be made very small, occupying little space and facilitating integration into various small devices.

[0088] Preferably, thermocouples can measure a wide temperature range, meeting temperature measurement requirements. Furthermore, thermocouples have good stability and reliability, and their performance is relatively less affected by external factors. They can continuously and accurately measure temperature, ensuring the stability and accuracy of temperature detection.

[0089] In other embodiments, the temperature sensing component 62 can also be made of other different parts, such as:

[0090] Infrared temperature sensors measure the surface temperature of objects by detecting the infrared radiation they emit. They do not require direct contact with the object being measured, thus having the advantage of non-contact measurement and not affecting the temperature field of the object being measured.

[0091] Semiconductor temperature sensors utilize the principle that the electrical properties of semiconductor materials change with temperature to detect temperature. They offer advantages such as high integration, small size, and ease of integration with other circuits. Common semiconductor temperature sensors include diode- and transistor-based temperature sensors and integrated temperature sensors. Integrated temperature sensors integrate the temperature sensing element and signal processing circuitry onto a single chip, outputting digital or analog signals. They are convenient to use and widely applied in temperature monitoring and control of electronic equipment.

[0092] You can choose the appropriate design based on your actual needs.

[0093] like Figures 1 to 9 As shown, the top of the gravity detection component 63 in this embodiment abuts against the top inner wall of the detection housing 61.

[0094] When a gravity-related force is applied to the detection housing 61 as a whole, such as when the detection housing 61 is in an environment with vertical acceleration changes (such as vertical vibration, accelerated ascent or descent), the gravity detection component 63 will be subjected to inertial force. Since its top abuts against the top inner wall of the detection housing 61, this mutual contact allows the gravity detection component 63 and the detection housing 61 to transmit force.

[0095] The detection housing 61 transmits the gravity-related force it receives to the gravity detection component 63 through the top inner wall. The gravity detection component 63 may undergo corresponding physical changes, such as deformation, according to the action of this force. The gravity detection component 63 will convert this physical change into an electrical signal or other measurable signal output, thereby realizing the detection of gravity-related parameters (such as acceleration, gravity change, etc.).

[0096] The top-abutting design allows the gravity detection component 63 to have a more stable position within the detection housing. When subjected to external forces, it can reduce the shaking and displacement of the gravity detection component 63 within the detection housing, ensuring the accuracy and reliability of the detection. This is because if the gravity detection component 63 is unstable in position within the housing, it may generate additional interference signals due to its own shaking during the detection process, affecting the detection results.

[0097] The force is transmitted directly through the inner wall of the top against the gravity detection component 63, reducing intermediate links and enabling more efficient transmission of the gravity-related force on the detection housing to the gravity detection component 63. This improves the sensitivity and response speed of the detection, allowing the gravity detection component 63 to detect changes in gravity more quickly and accurately.

[0098] This design eliminates the need for additional complex connection structures to secure the gravity detection component 63 and transmit force, simplifying the overall structure of the detection device. This simplification not only reduces manufacturing costs but also minimizes the risk of failure caused by complex structures, thereby improving the reliability and maintainability of the device.

[0099] Preferably, the gravity detection component 63 includes a gravity sensor, whose working principle is mainly based on the sensor's perception and conversion of gravity or gravity-related physical quantities.

[0100] Common gravity sensors include those based on piezoelectric effect and piezoresistive effect. Taking a gravity sensor based on piezoelectric effect as an example, when the detection housing 61 is subjected to gravity or is in an environment with changes in acceleration, the gravity detection component 63 will transmit the corresponding force to the gravity sensor. The piezoelectric material inside the sensor will deform due to the force. This deformation will cause a change in the charge distribution inside the piezoelectric material, thereby generating an electrical signal related to the magnitude and direction of the applied gravity. Subsequently, the signal processing circuit amplifies and filters the electrical signal, and finally converts it into a digital signal that can be read and analyzed, so as to realize the detection of gravity-related parameters (such as acceleration, tilt angle, etc.).

[0101] Gravity sensors have high accuracy and sensitivity, enabling them to accurately detect minute changes in gravity or acceleration. This allows the entire detection system to precisely measure gravity-related physical quantities.

[0102] Modern gravity sensors typically have a small size and high integration, making them easy to integrate into various detection devices. This not only helps reduce the size of the entire detection device, but also reduces system complexity and cost, and improves the overall performance and maintainability of the system.

[0103] In other embodiments, the gravity detection component 63 can also employ other different parts, such as:

[0104] Strain gauge sensors work based on the strain effect of metal or semiconductor materials. When the detection housing is subjected to gravity, the strain gauge will deform, causing its resistance value to change. By measuring the change in resistance value, the magnitude of the gravity can be indirectly measured. Strain gauge sensors have advantages such as simple structure, low cost, and wide measurement range.

[0105] Capacitive sensors measure gravity by utilizing changes in capacitance. When the detection housing is subjected to gravity, the distance or relative area between the capacitor plates changes, resulting in a change in capacitance. By measuring the change in capacitance, information related to gravity can be obtained. Capacitive sensors have advantages such as high sensitivity, fast response speed, and strong anti-interference ability.

[0106] You can choose the appropriate design based on your actual needs.

[0107] Preferably, the gravity detection component 63 uses the invisible deformation of the panel 2 and / or the detection housing 61 to detect the weight of the pot. When the pot is placed on the panel 2 and / or in contact with the detection housing 61, the weight of the pot itself will exert pressure on the panel 2 and / or the detection housing 61. According to the principles of material mechanics, an object will deform when subjected to external force. Although this deformation may be very small and difficult to detect with the naked eye, it does exist.

[0108] The sensor inside the gravity detection component 63 can detect this invisible deformation. For example, if a strain gauge sensor is used, when the panel 2 or the detection housing 61 deforms, the strain gauge attached to its surface will also deform, causing the resistance value of the strain gauge to change. The gravity detection component 63 measures the change in the resistance value of the strain gauge and converts it into an electrical signal. Then, after the signal processing circuit performs amplification, filtering, analog-to-digital conversion, and other operations, a digital signal related to the weight of the pot can be obtained.

[0109] In the case of non-contact detection, there is no need to install additional detection devices on the pot body, avoiding any impact on the original structure and usage of the pot body. Users can place the pot body on the panel as if using a normal cookware. The detection process is imperceptible to the user, improving the convenience of use.

[0110] Since there is no need to set obvious detection components on the pot body or panel surface, it will not disrupt the overall appearance design, making the kitchen equipment look more concise and beautiful.

[0111] The detection method does not rely on direct mechanical contact between the pot body and the detection device, reducing component wear and damage caused by frequent contact and friction, and improving the durability and reliability of the detection system.

[0112] It can be applied to different types and sizes of pots. As long as the pot is placed on the panel, the panel or detection shell will undergo slight deformation, and weight detection can be performed without special design for different pots.

[0113] like Figures 1 to 9 As shown, the outer wall of the detection housing 61 in this embodiment is made of heat-insulating material, while the top of the detection housing 61 is not made of heat-insulating material. This design can avoid the heat of the heating plate from affecting the temperature detection component 62 and the gravity detection component 63 inside the detection housing 61, ensuring that both work normally and the accuracy of the detection.

[0114] Preferably, the thermal insulation material can be, for example:

[0115] Glass fiber has good thermal insulation properties, chemical stability, is non-flammable, corrosion resistant, has low moisture absorption, and is relatively inexpensive. Its thermal conductivity is generally between 0.03 and 0.04 W / (m·K). It can be made into glass fiber mats or glass fiber boards, which are applied to the outer wall of the test shell 61 by means of pasting, wrapping, etc.

[0116] Rock wool, made primarily from natural rock through high-temperature melting, possesses excellent heat insulation, fireproofing, and sound absorption properties. Its thermal conductivity is around 0.04-0.05 W / (m·K), and it is lightweight with a certain compressive strength. It is often manufactured into rock wool boards, rock wool felts, etc., and installed on the testing housing 61, making construction relatively convenient.

[0117] Polyurethane foam has an extremely low thermal conductivity, typically between 0.018 and 0.024 W / (m·K), providing excellent thermal insulation. It also boasts advantages such as lightweight, sound insulation, and resistance to chemical corrosion. The molding process is simple, and it can be made into various shapes as needed. The insulation layer can be directly applied to the outer wall of the testing housing 61 through on-site spraying, or it can be made into prefabricated panels for installation.

[0118] You can choose the appropriate design based on your actual needs.

[0119] Preferably, an assembly assembly 7 is provided between the assembly cavity 3 and the heating plate 4. The assembly assembly 7 includes a plurality of assembly pillars 71 disposed in the assembly cavity 3 and the plurality of assembly pillars 71 are arranged around the outside of the heating plate 4. The assembly assembly 7 also includes an assembly block 72 disposed on the outside of the heating plate 4 and corresponding one-to-one with the assembly pillars 71.

[0120] Preferably, the assembly block 72 is provided with an assembly hole 721, the assembly block 72 is sleeved on the outside of the assembly column 71 through the assembly hole 721, and a spring 73 is sleeved on the outside of the assembly column 71, one end of the spring 73 abuts against the bottom of the assembly cavity 3, and the other end abuts against the bottom of the assembly block 72.

[0121] Specifically, when the heating plate 4 expands due to heat during operation, the heating plate 4 will increase in size to a certain extent in the radial direction, and may also have slight vertical displacement. At this time, the assembly block 72 will slide on the assembly column 71 as the heating plate 4 moves. Since the spring 73 is located outside the assembly column 71 and its two ends abut against the bottom of the assembly cavity 3 and the bottom of the assembly block 72 respectively, the spring 73 will be compressed or extended accordingly according to the displacement of the heating plate 4.

[0122] The expansion of the heating plate 4 causes the assembly block 72 to move upward along the assembly column 71, compressing the spring 73. The spring 73 stores elastic potential energy, the heating plate 4 returns to its original size, and the spring 73 releases elastic potential energy, pushing the assembly block 72 downward and causing the heating plate 4 to return to its original position.

[0123] When the heating plate 4 is working, it may vibrate due to changes in internal current, etc. The spring 73 can play a buffering role, converting part of the vibration energy generated by the heating plate 4 into the elastic potential energy of the spring 73, reducing the transmission of vibration to the assembly cavity 3 and other parts of the entire equipment, thereby reducing the overall noise level of the equipment and improving the user experience.

[0124] It effectively reduces the impact of vibration on the assembly cavity 3 and other connected components (such as the temperature detection component 62 and gravity detection component 63 inside the detection housing 61), extends the service life of each component of the equipment, and reduces the risk of component damage caused by vibration.

[0125] During the heating process, the heating plate 4 will expand thermally. Without the spring 73 and this sliding assembly structure, the expansion of the heating plate 4 may cause large stress between it and the assembly cavity 3, which may cause problems such as deformation of the heating plate 4 and damage to the assembly structure. The design of the spring 73 allows the heating plate 4 to have a certain amount of free space during thermal expansion and cooling contraction, so that it can change its size naturally and avoid damage to the component due to thermal stress concentration.

[0126] Although the size of the heating plate 4 may change, the spring 73 can always provide a suitable pressure to keep the heating plate 4 in good connection with the assembly structure, ensuring the assembly stability of the heating plate 4 at different temperatures and ensuring its normal operation.

[0127] The assembly block 72 is fitted onto the outside of the assembly column 71 through the assembly hole 721, which makes the installation of the heating plate 4 simpler and more convenient. The initial installation can be completed by simply aligning the assembly block 72 with the assembly column 71 and fitting it in. Then, the spring 73 is inserted to complete the entire assembly process, which improves production efficiency.

[0128] When the heating plate 4 needs to be repaired or replaced, due to the elasticity of the spring 73, the heating plate 4 can be easily removed from the assembly column 71 by overcoming the elastic force of the spring 73, which facilitates the inspection or replacement of the heating plate 4 and reduces maintenance costs and time.

[0129] The above examples are merely illustrative of the technical content of this utility model to facilitate reader understanding, but do not imply that the implementation of this utility model is limited to these embodiments. Any technical extensions or re-creations made based on this utility model are protected by this utility model. The scope of protection of this utility model is defined by the claims.

Claims

1. An electric ceramic stove, characterized in that: The device includes a bottom shell (1) and a panel (2) mounted on the bottom shell (1). The bottom shell (1) and the panel (2) together enclose an assembly cavity (3). A heating plate (4) is provided in the assembly cavity (3). The panel (2) is provided with a heating area (21) corresponding to the heating plate (4). A heating resistance wire (5), a detection component (6), a heating area (7), and a detection area (8) are provided in the heating plate (4). The heating resistance wire (5) is installed in the heating area (7). The detection component (6) is installed in the detection area (8). The detection component (6) includes a detection housing (61) and a temperature detection component (62) and a gravity detection component (63) provided in the detection housing (61). The top of the detection housing (61) is connected to the heating area (21) of the panel (2).

2. An electric ceramic stove according to claim 1, characterized in that: The heating resistance wire (5) is a high-resistance electrothermal alloy coiled into a spiral shape. The middle region of the heating resistance wire (5) has a clearance area, and the detection area (8) is located in the clearance area.

3. An electric ceramic stove according to claim 1, characterized in that: The heating resistance wire (5) is a high-resistance electrothermal alloy coiled into a spiral shape. There is a clearance area between one side of the heating resistance wire (5) and the inner sidewall of the heating plate (4). The detection area (8) is located in the clearance area.

4. An electric ceramic stove according to claim 1, characterized in that: The top of the detection housing (61) abuts against the bottom of the heating area (21) of the panel (2).

5. An electric ceramic stove according to claim 1, characterized in that: A through hole (22) is provided on the heating area (21), and the top of the detection housing (61) extends through the through hole (22), and the top of the detection housing (61) is set at the same height as the top of the heating area (21); or, the top of the detection housing (61) is slightly higher than the top of the heating area (21).

6. An electric ceramic stove according to claim 1, characterized in that: The top of the temperature detection component (62) is close to or abuts against the top inner wall of the detection housing (61).

7. An electric ceramic stove according to claim 1, characterized in that: The temperature detection component (62) includes a thermistor or a thermocouple.

8. An electric ceramic stove according to claim 1, characterized in that: The top of the gravity detection component (63) abuts against the top inner wall of the detection housing (61).

9. An electric ceramic stove according to claim 1, characterized in that: The gravity detection component (63) includes a gravity sensor.

10. An electric ceramic stove according to claim 1, characterized in that: The outer wall of the detection housing (61) is made of heat-insulating material.

Images