Intelligent safety electric heating cup

Abstract

The utility model discloses an intelligent safety electric cup which comprises a cooking cavity and a power panel, the power panel is connected with a heating unit for heating the cooking cavity, the power panel is provided with a dumping switch connected with the heating unit, and when the heating unit is in a working state, the dumping switch is connected with the heating unit. And when the inclination angle of the power panel is smaller than a first set value in a toppling state, the toppling switch is switched off, and the heating unit stops heating. The intelligent safety electric heating cup has the advantage of automatically stopping heating in the toppling state, and is safer.

Description

Technical Field

[0001] This application relates to the technical field of cups and pots, and more particularly, to an intelligent and safe electric heating cup. Background Art

[0002] With the improvement of people's living standards and the enhancement of health awareness, the demand for household drinking water heating equipment is also increasing continuously. Consumers are paying more and more attention to the convenience, safety, and health of drinking water. Currently, there are various ways to heat household drinking water, mainly including the following:

[0003] Traditional hot water kettle: This is the most traditional and common heating method. Users heat tap water to boiling point with an electric kettle, and then pour it into a thermal flask for storage, pouring it as needed.

[0004] Water dispenser: The water dispenser heats bottled water or barreled water to a suitable drinking temperature through an in-built heating system. The water dispenser usually has multi-stage temperature control function to meet the drinking needs of different users.

[0005] However, hot water kettles and water dispensers are not convenient to carry. Therefore, as a convenient and efficient household appliance, electric heating cups are gradually becoming essential items in modern life. They can be seen in various places such as offices, schools, and families. With the continuous improvement of consumers' demand for health, environmental protection, and convenience, as well as the continuous progress of technology and the reduction of costs, the market prospect of electric heating cups is very broad. Especially in the field of smart home, as a part of the smart home ecosystem, electric heating cups will be interconnected with other smart devices to provide users with a more comprehensive and intelligent home life experience.

[0006] Although electric heating cups have the advantage of being convenient to carry, their stability is relatively poor. This is mainly because their design concept is more inclined to portability, resulting in a structural design that focuses more on lightness rather than stability. Under the action of external forces or when placed on an uneven surface, electric heating cups are prone to tipping over. If the power is not cut off in time after the electric heating cup tips over, there will be certain potential safety hazards. Utility Model Content

[0007] In view of this, this application provides an intelligent and safe electric heating cup, which can cut off the power in time when the electric heating cup is tilted at a certain angle, effectively reducing potential safety hazards.

[0008] In a first aspect, this application provides an intelligent and safe electric heating cup, which includes a cooking cavity and a power board. The power board is connected to a heating unit for heating the cooking cavity. A tipping switch connected in series with the heating unit is arranged on the power board. When the heating unit is in operation and the power board is in a tipping state where the inclination angle relative to the horizontal plane is less than a first set value, the tipping switch is disconnected and the heating unit stops heating.

[0009] By adopting the above technical solution, it reflects a high degree of concern for user safety. By integrating the series circuit of the tipping switch and the heating unit, if the electric heating cup accidentally tilts during the heating process, it can quickly respond and cut off the power supply, thus avoiding potential safety hazards such as scalding and fire caused by tipping. When the electric heating cup is placed on a stable surface and the user activates the heating function, the heating unit starts to work, heating the liquid in the cooking cavity with the electric energy provided by the power supply board. At this time, the tipping switch is in a closed state, allowing current to pass through, and the heating unit works normally. If the electric heating cup is accidentally knocked over or tilted during the heating process, its tilt angle will change. When this tilt angle reaches or exceeds a pre-set first set value, the tipping switch will quickly sense this change and disconnect the circuit. With the disconnection of the tipping switch, the heating unit will lose the power supply and immediately stop heating. This rapid response mechanism can minimize the safety risks that may be caused by the tipping of the electric heating cup.

[0010] In some embodiments, it further includes a first cavity and a second cavity that are isolated from each other. The first cavity is located between the second cavity and the cooking cavity. The heating unit is located in the first cavity, and the power supply board is located in the second cavity.

[0011] By adopting the above technical solution, the power supply board can be isolated from the heating unit, reducing the influence of heat radiation on the performance and service life of the power supply board.

[0012] In some embodiments, when the tilt angle of the power supply board relative to the horizontal plane changes from the tipping state to greater than a second set value, the heating unit resumes heating.

[0013] In some embodiments, the first set value is 55° - 65°, and the first set value is 60°.

[0014] In some embodiments, the second set value is 80° - 89°, and the second set value is 85°.

[0015] By adopting the above technical solution, when the tilting angle of the power supply board changes from the dumping state (i.e., an angle less than the first set value) to an angle greater than the second set value, the heating unit resumes heating. After the electric heating cup is tilted briefly, if it is placed back on a stable surface and the tilting angle returns to the safe range, it will be able to automatically resume the heating function. This increases the practicality and user experience of the electric heating cup and avoids heating interruption caused by slight tilting. The first set value is set to 55° - 65°, and specifically 60° is selected as the standard value. This angle range is determined based on the accidental tilting situations that the electric heating cup may encounter during normal use. When the electric heating cup tilts to this angle or less, the dumping switch will be triggered to cut off the power supply to prevent dangers such as scalding or fire. Selecting 60° as the standard value is because this angle can effectively trigger the safety mechanism in most cases and will not cause misoperation due to being too sensitive. The second set value is set to 80° - 89°, and specifically 85° is selected as the standard value. This angle range is to ensure that the electric heating cup can safely resume the heating function after being placed stably again. When the tilting angle of the electric heating cup is greater than this value, it can be considered that it has returned to a relatively stable state, and it is safe to resume heating at this time. Selecting 85° as the standard value is because it provides a sufficient safety margin to ensure that the electric heating cup is completely stable before resuming heating.

[0016] In some embodiments, the power supply board is electrically connected to a temperature sensor, the temperature sensor is connected in parallel with the heating unit, and the temperature sensor is used to monitor the liquid temperature in the cooking cavity. A fuse is connected in series between the dumping switch and the live wire.

[0017] By adopting the above technical solution, the temperature sensor is electrically connected to the power supply board and is connected in parallel with the heating unit. This connection method allows the temperature sensor to independently monitor the liquid temperature in the cooking cavity without being affected by the working state of the heating unit. The main function of the temperature sensor is to monitor the liquid temperature in the cooking cavity in real time and feedback this information to the control system. If the liquid temperature reaches or exceeds the preset safety threshold, the control system can automatically cut off the power supply of the heating unit to prevent safety hazards such as scalding caused by overheating, liquid boiling over, or fire. The fuse is connected in series between the dumping switch and the live wire. This means that the fuse is part of the circuit, and only when the dumping switch is closed and the fuse is not blown can the current pass through and the heating unit can work. In the electric heating cup, the fuse provides an additional protection layer for the heating unit to ensure user safety even in extreme cases. The presence of the fuse enables the electric heating cup to automatically cut off the power supply when facing potential dangers, thus greatly reducing the risks of fire and equipment damage.

[0018] In some embodiments, a thermal protection switch is connected in series between the heating unit and the dumping switch.

[0019] By adopting the above technical solution, the thermal protection switch can provide overheat protection, enhancing safety.

[0020] In some embodiments, the power supply board is connected to a buzzer. In the tilted state, after the temperature sensor monitors a temperature drop, the buzzer continuously alarms.

[0021] In some embodiments, it further includes a display unit. When the temperature sensor monitors that the temperature in the cooking cavity reaches 95 °C, the heating unit stops heating, and the buzzer sounds at least twice.

[0022] In some embodiments, in the heat preservation state, when the temperature sensor monitors that the liquid temperature in the cooking cavity is less than the set temperature by 10 °C, the heating unit operates; when the temperature sensor detects that the liquid temperature in the cooking cavity is greater than the set temperature by 20 °C or reaches 95 °C, the heating unit stops operating.

[0023] By adopting the above technical solution, in the tilted state, if the temperature sensor monitors that the temperature in the cooking cavity starts to drop (which usually means that the electric heating cup is no longer in a normal working state, probably because tilting causes the heating to stop), the buzzer will continuously alarm. This alarm mechanism can immediately alert the user to the state of the electric heating cup, preventing the user from continuing to use or attempting to repair the electric heating cup without knowing, thus avoiding potential safety risks. When the temperature sensor monitors that the temperature in the cooking cavity reaches 95 °C, the heating unit stops heating, and the buzzer sounds at least twice. This alarm method not only informs the user that the liquid is approaching the boiling point but also reminds the user to pay attention to the state of the liquid, avoiding the liquid boiling over or causing other safety hazards. The display unit can display the temperature in the cooking cavity in real time, enabling the user to intuitively understand the heating state of the liquid. When the temperature sensor monitors that the temperature reaches 95 °C, the heating unit stops heating, and jointly reminds the user through the display unit and the buzzer. This dual reminder method ensures that the user can obtain key information in a timely manner. In the heat preservation state, the electric heating cup controls the operation of the heating unit according to the set temperature range. When the temperature sensor monitors that the liquid temperature in the cooking cavity is less than the set temperature by 10 °C, the heating unit starts to operate to heat the liquid; when it is greater than the set temperature by 20 °C or reaches 95 °C, the heating unit stops operating. This intelligent heating control mechanism can ensure that the liquid remains at a constant temperature within the set temperature range, while avoiding safety hazards caused by overheating or overcooling.

[0024] In summary, the present application has at least one of the following beneficial technical effects:

[0025] 1. Improve safety: By automatically detecting and responding to the tilt state of the electric heating cup, potential safety hazards such as scalding and fires caused by tipping are effectively avoided. By precisely setting the first set value and the second set value, and designing the automatic recovery function of the heating unit under specific conditions, the safety and practicality of the intelligent safety electric heating cup are further enhanced. Users can enjoy the convenient heating function while obtaining higher safety protection.

[0026] 2. More intelligent: Integrated with the tilt detection and automatic power-off function, the use of the electric heating cup becomes more intelligent and convenient.

[0027] 3. Easy to maintain: The tilt switch is a replaceable or repairable component. Once a malfunction or damage occurs, users can easily replace or repair it, extending the service life of the electric heating cup. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is a schematic diagram of the internal structure of the intelligent safety electric heating cup of the present application;

[0029] Figure 2 is Figure 1 an enlarged schematic diagram of area A in

[0030] Figure 3 is a schematic diagram of the circuit of the intelligent safety electric heating cup of the present application;

[0031] Figure 4 is a schematic diagram of the intelligent safety electric heating cup placed normally;

[0032] Figure 5 is a schematic diagram of the intelligent safety electric heating cup in a tilted state;

[0033] Figure 6 is a schematic diagram of the intelligent safety electric heating cup when it is at the second set value state.

[0034] 1. Cup body; 11. Cooking cavity; 111. Cavity opening; 12. First cavity; 13. Second cavity; 14. Heat insulation board; 2. Heating plate; 3. Power supply board; 4. Temperature sensor; 5. Upper cover; 6. Tilt switch; 7. Control board; 8. Thermal protection switch; 9. Fuse; a. First set value; b. Second set value; c. Center line of the electric heating cup. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0035] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings. The components of the embodiments of the present utility model described and illustrated in the drawings here can be arranged and designed in various different configurations. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0036] It should be noted that like reference numerals and letters denote like items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0037] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0038] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0039] The embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. The features in the following embodiments can be combined with each other without conflict. Embodiment

[0040] Please refer to Figures 1-3 , this embodiment discloses an intelligent safety electric heating cup. The electric heating cup includes a cup body 1. A cooking cavity 11 is provided inside the cup body 1. The upper cover 5 is threadedly connected or pivotally connected to the cup body 1. When the upper cover 5 is connected to the cup body 1, the cavity opening 111 of the cooking cavity 11 can be closed. After the upper cover 5 is separated from the cup body 1, the liquid in the cooking cavity 11 can flow out from the cavity opening 111.

[0041] The electric heating cup further includes a heating plate 2, which is arranged at one end of the cooking cavity 11 away from the cavity opening 111 and seals the cooking cavity 11 through a sealing member. The heating plate 2 is in direct contact with the liquid in the cooking cavity 11. A temperature sensor 4 is provided at the center position of the heating plate 2, and the temperature sensor 4 is used to sense the temperature of the liquid in the cooking cavity 11. The temperature sensor 4 can pass through the center of the heating plate and enter the cooking cavity 11 to be in direct contact with the liquid in the cooking cavity 11. A sealing ring is used to seal between the temperature sensor 4 and the heating plate, and the material of the sealing ring is heat-resistant silica gel.

[0042] A first cavity 12 and a second cavity 13 are arranged on the side of the heating plate 2 away from the cooking cavity 11. The first cavity 12 and the second cavity 13 are isolated by a heat insulation plate 14. The first cavity 12 is located between the cooking cavity 11 and the second cavity 13. The heating plate is located in the first cavity 12, and the power supply board 3 is located in the second cavity 13. Since the temperature of the heating plate 2 is relatively high during operation, especially when there is no liquid in the cooking cavity 11 and dry burning occurs, if the temperature sensor 4 does not act in time or the temperature sensor 4 fails, in this state, the temperature of the heating plate 2 will exceed two or three hundred degrees, which will have thermal radiation on the surrounding components and affect the performance and service life of related devices. Through the isolation of the heat insulation plate 14, the thermal radiation effect of the heating plate on the second cavity 13 can be greatly reduced, thereby reducing the temperature in the second cavity 13 and reducing the failure rate of related devices of the power supply board 3.

[0043] Please refer to Figure 1 and Figure 3 , the circuit connection schematic diagram of the electric heating cup. The temperature sensor 4 and the heating plate 2 are connected in parallel and electrically connected to the power supply board 3. The heating plate 2 is connected in series with a thermal protection switch 8 and then electrically connected to the power supply board 3. A tipping switch 6 is electrically connected to the power supply board 3. The power supply board 3 is fixed in the cup body 1, and the tipping switch 6 is fixedly connected to the power supply board 3 and can sense the tilting state of the power supply board 3. The power supply board 3 is assembled to be parallel to the bottom placement plane of the electric heating cup through the internal structure design of the cup body 1. By sensing the tilting angle of the power supply board 3 through the tipping switch 6, the tilting angle of the electric heating cup can be sensed, so as to perform tilting state sensing to control the energization and disconnection of the electric heating plate.

[0044] The other end of the tipping switch 6, which is far from the connection of the thermal protection switch 8, is connected to the live wire through a fuse 9. Thus, the heating plate 2, the thermal protection switch 8, the tipping switch 6 and the fuse 9 are connected in series with the live wire.

[0045] The power supply board 3 is also connected to a control board 7. The control board 7 is arranged on the upper cover 5 or the side wall of the cup body 1. The on / off and other operations of the electric heating cup can be controlled through the relevant buttons on the control board 7.

[0046] The control board 7 is also provided with a buzzer and a display unit. In the tilted state, after the temperature sensor 4 monitors a temperature drop, the buzzer continuously alarms. When the temperature sensor 4 monitors that the temperature in the cooking cavity 11 reaches 95 °C, the heating plate 2 stops heating, and the buzzer sounds at least twice. The buzzer and the display unit can not only timely remind the user's attention in case of emergency, but also provide real-time temperature display and intelligent heating control functions. These new functions not only improve the safety and reliability of the product, but also enhance the user experience and convenience. The user can judge the heating state of the liquid according to the information on the display unit and adjust the working mode of the electric heating cup as needed. At the same time, the alarm function of the buzzer can also provide timely warning and reminder to the user at a critical moment.

[0047] The electric heating cup also has a heat preservation function. In the heat preservation state, when the temperature sensor 4 monitors that the liquid temperature in the cooking cavity 11 is less than the set temperature by 10 °C, the heating unit works; when the temperature sensor 4 detects that the liquid temperature in the cooking cavity 11 is greater than the set temperature by 20 °C or reaches 95 °C, the heating unit stops working.

[0048] Please refer to Figure 4 , the state when the electric heating cup is placed normally on the desktop. In this state, the center line c of the electric heating cup is in a vertical state.

[0049] Please refer to Figure 3 、 Figure 5 , the tilted state when the electric heating cup is in an abnormal state and the tilt angle of the center line c of the electric heating cup relative to the horizontal plane is less than the first set value a. In this state, the included angle between the center line c of the electric heating cup and the horizontal plane is 55° - 65°. The first set value a in this embodiment is 60°. In the tilted state, the tilt switch 6 is disconnected and the heating plate 2 stops heating.

[0050] Please refer to Figure 3 and Figure 6 , the working state when the tilt angle of the center line c of the electric heating cup relative to the horizontal plane is greater than the second set value b. In this state, the second set value b is 80° - 89°. The second set value b in this embodiment is 85°. Under normal working conditions, when the tilt angle of the center line c of the electric heating cup relative to the horizontal plane is greater than the second set value b, the tilt switch 6 is in a connected state and the heating plate is energized for heating. When recovering from the tilted state to the normal working state, the tilt switch 6 recovers from the off state to the connected state, and the heating plate recovers from the power-off state to the power-on state for heating.

[0051] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and what is described in the above embodiments and the specification is only to illustrate the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes, modifications, substitutions and variations, and all of these changes, modifications, substitutions and variations fall within the scope of the present utility model claimed.

Claims

1. An intelligent and safe electric heating cup, characterized in that, It includes a cooking cavity and a power board. The power board is connected to a heating unit for heating the cooking cavity. A tipping switch in series electrical connection with the heating unit is provided on the power board. When the power board is in a tipping state where the inclination angle relative to the horizontal plane is less than a first set value during the working state of the heating unit, the tipping switch disconnects and the heating unit stops heating.

2. The intelligent safety electric heating cup according to claim 1, characterized in that, When the inclination angle of the power board relative to the horizontal plane changes from the tipping state to greater than a second set value, the heating unit resumes heating.

3. The intelligent safety electric heating cup according to claim 1 or 2, characterized in that, The power board is electrically connected to a temperature sensor. The temperature sensor is in parallel with the heating unit. The temperature sensor is used to monitor the liquid temperature in the cooking cavity. A fuse is in series between the tipping switch and the live wire.

4. The intelligent safety electric heating cup according to claim 3, characterized in that, The power board is connected to a buzzer. In the tipping state, after the temperature sensor monitors a temperature drop, the buzzer alarms continuously.

5. The intelligent safe electric heating cup according to claim 1, wherein, It further includes a first cavity and a second cavity that are isolated from each other. The first cavity is located between the second cavity and the cooking cavity. The heating unit is located in the first cavity and the power board is located in the second cavity.

6. The intelligent safety electric heating cup according to claim 1, characterized in that The first set value is 55° - 65°.

7. The intelligent safety electric heating cup according to claim 2, wherein, The second set value is 80° - 89°.

8. The intelligent safety electric heating cup according to claim 3, characterized in that, A thermal protection switch is in series between the heating unit and the tipping switch.

9. The intelligent safety electric heating cup according to claim 4, characterized in that, It further includes a display unit. When the temperature sensor monitors that the temperature in the cooking cavity reaches 95°C, the heating unit stops heating and the buzzer sounds at least two times.

10. The intelligent safety electric heating cup according to claim 9, wherein, In the heat preservation state, when the temperature sensor monitors that the liquid temperature in the cooking cavity is less than the set temperature by 10°C, the heating unit works; when the temperature sensor detects that the liquid temperature in the cooking cavity is greater than the set temperature by 20°C or reaches 95°C, the heating unit stops working.

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