Water tank water inlet structure and cooking equipment
By designing a water tank inlet structure in the cooking equipment, the status of the evaporator plate is detected in real time and water replenishment is automatically controlled, solving the problem of lack of automatic water replenishment in the water tank and improving the safety and ease of use of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO FOTILE KITCHEN WARE CO LTD
- Filing Date
- 2025-04-28
- Publication Date
- 2026-05-08
AI Technical Summary
The water tanks of existing cooking equipment lack an automatic water replenishment function, which causes the steam generation function to malfunction and poses a safety hazard.
Design a water tank inlet structure, including an evaporation plate, a water tank, a water supply pipe, a water supply control component, and a detection component. By detecting the temperature or resistance value of the evaporation plate in real time, the opening and closing of the water supply pipe is automatically controlled to realize automatic water supply to the water tank.
It reduces the possibility of overheating and damage to the evaporator heating element, avoids safety hazards caused by dry burning, reduces the difficulty of use, and achieves automatic water replenishment without the need for manual water filling by the user.
Smart Images

Figure CN224206655U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of cooking equipment, and in particular to a water tank inlet structure and cooking equipment. Background Technology
[0002] The steam generator in cooking equipment is used to produce steam, which can be used to cook food directly, regulate humidity during the baking function, and assist in cleaning the inner pot.
[0003] Cooking appliances with steam generation functions are usually equipped with water tanks. Most of the current water tanks do not have an automatic water replenishment function. If water is not added to the water tank in time while the steam generation function is running, the steam generation function will not be able to operate normally, and may even cause the heating plate of the steam generator to be damaged due to lack of water and dry burning, which poses a certain safety hazard. Utility Model Content
[0004] Therefore, it is necessary to address the issue that most water tanks currently used for steam generation do not have an automatic water replenishment function, which poses certain safety hazards. A water tank inlet structure and cooking equipment that can automatically replenish water to the tank is required.
[0005] This application first provides a water tank inlet structure, including:
[0006] An evaporation pan, equipped with a heating element, is used to heat water to generate steam;
[0007] A water tank has an internal water storage space, and the water tank is connected to the evaporation plate and is used to supply water to the evaporation plate;
[0008] A water supply pipeline is connected to the water tank to replenish water into the water storage space;
[0009] A water supply control component is disposed in the water supply pipeline and is used to control the opening and closing of the water supply pipeline; and
[0010] The detection component is electrically connected to the water replenishment control component and is used to detect the temperature or resistance value of the evaporation plate and control the water replenishment control component to open the water replenishment pipeline when the detected value is greater than a preset value.
[0011] In one embodiment, the detection element is electrically connected to the evaporation plate and is used to detect the resistance value of the evaporation plate.
[0012] In one embodiment, the water replenishment control component includes a movable water-blocking component and an electromagnetic drive component. The electromagnetic drive component generates a driving force on the water-blocking component to drive the water-blocking component to move. The driving force increases with the increase of the power of the electromagnetic drive component, so as to drive the water-blocking component to move and control the opening and closing of the water replenishment pipeline.
[0013] In one embodiment, the water replenishment control component further includes an elastic element, one end of which is fixed relative to the water tank and the other end is connected to the water-blocking element. When the resistance value detected by the detection element is greater than the preset value, the elastic element deforms.
[0014] In one embodiment, the water tank inlet structure further includes a power supply for supplying power to the evaporation plate and the electromagnetic drive, the detection element is a feedback circuit, the feedback circuit is also electrically connected to the power supply and is used to increase the voltage of the power supply when the resistance value of the evaporation plate increases.
[0015] In one embodiment, the electromagnetic drive is connected in parallel with the evaporation disk.
[0016] In one embodiment, the water replenishment control component includes a water replenishment connector fixed to the water tank. The water replenishment connector has a first water replenishment chamber communicating with the water replenishment pipeline and a second water replenishment chamber communicating with the water storage space. The first water replenishment chamber and the second water replenishment chamber are connected through a water replenishment hole.
[0017] The water-blocking component is disposed in the second water-replenishing cavity and is used to block the water-replenishing hole. The two ends of the elastic component are respectively in contact with the water-blocking component and the inner wall of the second water-replenishing cavity away from the water-replenishing hole. The electromagnetic driving component is an electromagnetic push rod and is disposed in the inner wall of the first water-replenishing cavity. It is used to drive the water-blocking component to open the water-replenishing hole when the resistance value detected by the detection component is greater than the preset value.
[0018] In one embodiment, the electromagnetic drive is connected in series with the evaporation disk.
[0019] In one embodiment, the water replenishment control component includes a water replenishment connector fixed to the water tank. The water replenishment connector has a first water replenishment chamber communicating with the water replenishment pipeline and a second water replenishment chamber communicating with the water storage space. The first water replenishment chamber and the second water replenishment chamber are connected through a water replenishment hole.
[0020] The water-blocking component is disposed in the second water supply cavity and is used to block the water supply hole. The water-blocking component is made of ferromagnetic material. The electromagnetic drive component is an electromagnet and is disposed opposite to the water-blocking component on the inner wall of the first water supply cavity. The two ends of the elastic component are respectively fixed to the water-blocking component and the inner wall of the first water supply cavity away from the water supply hole, and are used to drive the water-blocking component to open the water supply hole when the resistance value detected by the detection component is greater than the preset value.
[0021] A second aspect of this application provides a cooking device including the aforementioned water tank inlet structure.
[0022] The aforementioned water tank inlet structure detects the status of the evaporator plate in real time and uses this as a basis for determining whether the water tank is in a water shortage state. It can trigger water replenishment before the risk of water shortage occurs, reducing the possibility of overheating and damage to the heating element of the evaporator plate and avoiding safety hazards caused by dry burning of the evaporator plate. At the same time, the detection device, together with the water replenishment control component, can realize automatic water replenishment of the water tank, eliminating the need for users to manually add water, reducing cooking operation steps and lowering the difficulty of use. Attached Figure Description
[0023] Figure 1 This is a perspective view of the water tank inlet structure of this application;
[0024] Figure 2 This is a circuit connection diagram of one embodiment of the water tank inlet structure of this application;
[0025] Figure 3 This is a cross-sectional view showing the location of the water replenishment control component in one embodiment of the water tank inlet structure of this application;
[0026] Figure 4 This is a cross-sectional view showing the location of the water replenishment control component in another embodiment of the water tank inlet structure of this application. Reference numerals: 10, evaporation plate; 20, water tank; 30, water replenishment pipe; 40, water replenishment control component; 41, water baffle; 42, electromagnetic drive component; 43, elastic component; 44, water replenishment connector; 441, first water replenishment chamber; 442, second water replenishment chamber; 443, water replenishment hole; 50, detection component; 60, power supply. Detailed Implementation
[0027] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.
[0028] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0030] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0031] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0032] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.
[0033] Please combine Figure 1 as well as Figure 2As shown, this application first provides a water tank inlet structure, including: an evaporation plate 10, which is equipped with a heating element for heating water to generate steam; a water tank 20, which has a water storage space inside, and is connected to the evaporation plate 10 for supplying water to the evaporation plate 10; a water supply pipe 30, through which an external water source is connected to the water tank 20 to supply water to the water storage space; a water supply control component 40, which is disposed on the water supply pipe 30 and is used to control the opening and closing of the water supply pipe 30; and a detection component 50, which is electrically connected to the water supply control component 40 for detecting the temperature or resistance value of the evaporation plate 10 and controlling the water supply control component 40 to open the water supply pipe 30 when the detected value is greater than a preset value.
[0034] It is understandable that when the water tank 20 is short of water, the water tank 20 cannot supply water to the evaporation plate 10. The heating element in the evaporation plate 10 absorbs heat due to the lack of water evaporation, and the heat cannot be dissipated in time, which causes the temperature of the evaporation plate 10 to rise sharply. At the same time, since the resistivity of metal is positively correlated with temperature, the resistance value of the evaporation plate 10 will also increase.
[0035] Therefore, by setting the temperature or resistance value of the evaporator 10 when it is not short of water to a threshold (i.e., the preset value mentioned above), and by using the detection element 50 to detect the resistance value or temperature value of the evaporator 10, it is possible to detect whether the water tank 20 has entered a water shortage state.
[0036] Specifically, when the detected value exceeds the threshold, the water tank 20 is determined to be in a water shortage state. The water replenishment control component 40 controls the water replenishment pipe 30 to open to replenish water into the water tank 20. As the water level in the water tank 20 recovers, the evaporator 10 is covered with water again, and the resistance and temperature values detected by the detection element 50 return to the normal range (less than the threshold). The water tank 20 is determined to be out of the water shortage state, and the water replenishment control component 40 controls the water replenishment pipe 30 to close and terminate water replenishment. The above process can be repeated to complete the automatic water replenishment of the water tank 20.
[0037] In this application, by detecting the status of the evaporator plate 10 in real time and using it as the basis for determining whether the water tank 20 is in a water shortage state, water replenishment can be triggered before the risk of water shortage occurs, reducing the possibility of overheating and damage to the heating element of the evaporator plate 10 and avoiding safety hazards caused by dry burning of the evaporator plate 10; at the same time, the detection component 50, together with the water replenishment control component 40, can realize automatic water replenishment of the water tank 20, eliminating the need for manual water filling by the user, reducing cooking operation steps and lowering the difficulty of use.
[0038] It is worth mentioning that when the detected value is greater than the preset value, the aforementioned detection component 50 controls the water replenishment control component 40 to open the water replenishment pipe 30. The water replenishment control component 40 can be directly controlled by the detection component 50, or the circuit parameters of the water replenishment control component 40 can be controlled indirectly by the detection component 50, etc. This application does not make any further limitations here.
[0039] Please refer to Figure 2 As shown, in some embodiments, the detection element 50 is electrically connected to the evaporation pan 10 and is used to detect the resistance value of the evaporation pan 10. The resistance value can directly and accurately reflect the water shortage status in the evaporation pan 10, and is more sensitive and has stronger anti-interference ability than temperature detection.
[0040] Please combine Figure 1 as well as Figure 3 As shown, in some embodiments, the water replenishment control component 40 includes a movable water-blocking member 41 and an electromagnetic drive member 42. The electromagnetic drive member 42 generates a driving force on the water-blocking member 41 to drive the water-blocking member 41 to move. The electromagnetic drive member 42 is electrically connected to the evaporation plate 10 and the driving force increases with the increase of the power of the electromagnetic drive member 42, so as to drive the water-blocking member 41 to move and control the opening and closing of the water replenishment pipeline 30 through the driving force.
[0041] It is understandable that, since the electromagnetic drive 42 is electrically connected to the evaporation plate 10, when the water tank 20 enters a water shortage state and the resistance value of the evaporation plate 10 exceeds the threshold, the power of the electromagnetic drive 42 will also change accordingly. Furthermore, since the driving force of the electromagnetic drive 42 increases with its own power, by designing the force relationship between the water baffle 41 and the electromagnetic drive 42, it is possible to ensure that when the water tank 20 enters a water shortage state, the driving force changes precisely to the point that the water baffle 41 moves and opens the water supply pipe 30.
[0042] In other words, the driving force of the electromagnetic drive 42 can be changed by the resistance of the evaporation plate 10, thereby realizing automatic water replenishment of the water tank 20.
[0043] Specifically, the electromagnetic drive component 42 includes, but is not limited to, electromagnets, electromagnetic push rods, etc. The driving force can be the thrust generated after the electromagnetic drive component 42 comes into contact with the water-blocking component 41, or it can be the magnetic force generated between the electromagnetic drive component 42 and the water-blocking component 41 which is ferromagnetic. As long as the driving force of the electromagnetic drive component 42 on the water-blocking component 41 can be changed with its power, this application will not give examples of each.
[0044] Of course, in some other embodiments, the water replenishment control component 40 can also use a common power structure such as a motor or push rod to drive the water blocking component 41 to realize the opening and closing of the water replenishment pipeline 30. In this case, after the detection component 50 determines that the water tank 20 has entered a water shortage state, it sends a signal to the power structure to control the water blocking component 41 to open the water replenishment pipeline 30 and complete the water replenishment.
[0045] Please combine Figure 1 as well as Figure 3As shown, in some embodiments, the water replenishment control component 40 further includes an elastic element 43. One end of the elastic element 43 is fixed relative to the water tank 20, and the other end is connected to the water blocking element 41. When the resistance value detected by the detection element 50 is greater than the preset value, the elastic element 43 deforms. The elastic force of the elastic element 43 on the water blocking element 41 and the driving force of the electromagnetic drive element 42 on the water blocking element 41 are opposite in direction. The elastic element 43 can provide an automatic reset effect for the water blocking element 41 of the water replenishment control component 40, ensuring that the water replenishment pipeline 30 is sealed when there is no water replenishment requirement.
[0046] Specifically, taking the increase in driving force of electromagnetic drive component 42 as the resistance of evaporator plate 10 increases as an example:
[0047] When the resistance value detected by the detection element 50 is less than the preset value, the driving force is less than the elastic force, and the elastic force of the elastic element 43 can keep the water blocking element 41 from closing the water supply pipe 30 under normal conditions (when the water tank 20 does not need to be replenished).
[0048] When the resistance value detected by the detection element 50 is greater than the preset value, the driving force increases to be greater than the elastic force, thereby overcoming the elastic force and driving the water-blocking element 41 to open the water supply pipe 30.
[0049] After water replenishment is completed, the water-blocking component 41 resets under the action of elasticity and closes the water replenishment pipe 30 again to prevent water leakage.
[0050] More specifically, in some embodiments, the elastic element 43 can be an elastic element that is deformed under tension or compression, as long as it can keep the water-blocking element 41 closed to the water supply pipe 30 under normal conditions. This application does not make any further limitations here.
[0051] Please refer to Figure 2 As shown, in some embodiments, the water tank inlet structure also includes a power supply 60 for supplying power to the evaporation plate 10 and the electromagnetic drive 42. The detection element 50 is a feedback circuit, which is also electrically connected to the power supply 60 and is used to increase the voltage of the power supply 60 when the detection resistance value of the evaporation plate 10 increases.
[0052] The temperature rise of the evaporator 10 will increase its resistance, and the increase in resistance will lead to a decrease in its power. It is understandable that automatic water replenishment will only be triggered when the resistance of the evaporator 10 increases beyond a preset value. In other words, when the actual resistance of the evaporator 10 does not exceed the preset value, the power of the evaporator 10 will continue to decrease as the temperature rises, thereby ensuring the stable operation of the steam generation function. To address this, this application uses a feedback circuit to increase the voltage of the power supply 60 when the detected resistance value rises, which can improve the operational stability of the steam generation function.
[0053] For further details, please refer to... Figure 2As shown, in some embodiments, the electromagnetic drive 42 is connected in parallel with the evaporation plate 10.
[0054] It should be understood that in parallel operation, the voltage on the evaporator 10 and the electromagnetic drive 42 is always equal to the voltage of the power supply 60. Therefore, by increasing the voltage of the power supply 60 when the detection resistance of the evaporator 10 increases, the voltage on the electromagnetic drive 42 can be increased as the detection resistance of the evaporator 10 increases.
[0055] Since the resistance of the electromagnetic drive unit 42 remains constant and the power is equal to the voltage divided by the resistance, the power of the electromagnetic drive unit 42 will increase as the detection resistance value of the evaporator plate 10 increases; that is, the driving force of the electromagnetic drive unit 42 is directly proportional to the detection resistance value of the evaporator plate 10.
[0056] Therefore, as long as the detection resistance value of the evaporation plate 10 is designed to be greater than the preset value, the driving force of the electromagnetic drive 42 is just greater than the elastic force of the elastic element 43. When the water tank 20 enters a water shortage state, the electromagnetic drive 42 overcomes the elastic force of the elastic element 43 and drives the water blocking element 41 to open the water supply pipe 30, thus completing the automatic water replenishment.
[0057] Please combine Figure 2 as well as Figure 3 As shown, in some embodiments, the water replenishment control component 40 includes a water replenishment connector 44 fixed to the water tank 20. The water replenishment connector 44 has a first water replenishment chamber 441 that communicates with the water replenishment pipeline 30 and a second water replenishment chamber 442 that communicates with the water storage space. The first water replenishment chamber 441 and the second water replenishment chamber 442 are connected through a water replenishment hole 443.
[0058] The water-blocking component 41 is disposed in the second water replenishment chamber 442 and is used to block the water replenishment hole 443. The two ends of the elastic component 43 are in contact with the water-blocking component 41 and the inner wall of the second water replenishment chamber 442 away from the water replenishment hole 443, respectively. The electromagnetic drive component 42 is an electromagnetic push rod and is disposed in the inner wall of the first water replenishment chamber 441. It is used to drive the water-blocking component 41 to open the water replenishment hole 443 when the resistance value detected by the detection component 50 is greater than the preset value.
[0059] The specific automatic water replenishment process is as described above in the example where the driving force of the electromagnetic drive 42 increases with the increase of the resistance of the evaporation plate 10, and will not be repeated here.
[0060] In some embodiments, the electromagnetic drive 42 is connected in series with the evaporator 10. In the series connection state, the sum of the voltages of the evaporator 10 and the electromagnetic drive 42 is equal to the voltage of the power supply 60. Therefore, the voltage on the electromagnetic drive 42 decreases as the resistance of the evaporator 10 increases; that is, the driving force of the electromagnetic drive 42 is inversely proportional to the resistance of the evaporator 10.
[0061] Please refer to Figure 4 As shown, in some embodiments, the water replenishment control component 40 includes a water replenishment connector 44 fixed to the water tank 20. The water replenishment connector 44 has a first water replenishment chamber 441 that communicates with the water replenishment pipeline 30 and a second water replenishment chamber 442 that communicates with the water storage space. The first water replenishment chamber 441 and the second water replenishment chamber 442 are connected through a water replenishment hole 443.
[0062] A water-blocking component 41 is disposed in the second water supply cavity 442 and is used to block the water supply hole 443. The water-blocking component 41 is made of ferromagnetic material. The electromagnetic drive component 42 is an electromagnet and is disposed opposite to the water-blocking component 41 on the inner wall of the first water supply cavity 441. The two ends of the elastic component 43 are fixed to the water-blocking component 41 and the inner wall of the first water supply cavity 441 away from the water supply hole 443, respectively. It is used to drive the water-blocking component 41 to open the water supply hole 443 when the resistance value detected by the detection component 50 is greater than the preset value.
[0063] For details, please refer to Figure 4 As shown, taking the elastic element 43 as the elastic element that deforms under pressure, and the driving force of the electromagnetic drive element 42 as the magnetic attraction force between the electromagnetic drive element 42 and the water-blocking element 41 as an example:
[0064] When the resistance value detected by the detection element 50 is less than the preset value, the magnetic attraction between the electromagnetic drive element 42 and the water blocking element 41 is greater than the elastic force. The magnetic attraction can keep the water blocking element 41 from closing the water supply pipe 30 under normal conditions (when the water tank 20 does not need to be replenished).
[0065] When the resistance value detected by the detection element 50 is greater than the preset value, the magnetic attraction force decreases to less than the elastic force, and the elastic force overcomes the magnetic attraction force and drives the water-blocking element 41 to open the water supply pipe 30.
[0066] After water replenishment is completed, the water-blocking component 41 resets under magnetic attraction and closes the water replenishment pipe 30 again to prevent water leakage.
[0067] Of course, in some other embodiments, the elastic element 43 may also be a tensile elastic element, in which case there is a magnetic repulsion between the electromagnetic drive element 42 and the water-blocking element 41. This application will not give examples of each of these.
[0068] A second aspect of this application provides a cooking device including the aforementioned water tank inlet structure.
[0069] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0070] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A water tank inlet structure, characterized in that, include: An evaporation pan (10) is provided with a heating element for heating water to generate steam; A water tank (20) has a water storage space inside. The water tank (20) is connected to the evaporation plate (10) and is used to supply water to the evaporation plate (10). A water supply pipe (30) is connected to the water tank (20) to supply water to the water storage space; A water supply control component (40) is disposed in the water supply pipeline (30) and is used to control the opening and closing of the water supply pipeline (30); and The detection component (50) is electrically connected to the water replenishment control component (40) and is used to detect the temperature or resistance value of the evaporation plate (10) and control the water replenishment control component (40) to open the water replenishment pipeline (30) when the detected value is greater than a preset value.
2. The water tank inlet structure according to claim 1, characterized in that, The detection element (50) is electrically connected to the evaporation plate (10) and is used to detect the resistance value of the evaporation plate (10).
3. The water tank inlet structure according to claim 2, characterized in that, The water replenishment control component (40) includes a movable water baffle (41) and an electromagnetic drive (42). The electromagnetic drive (42) generates a driving force on the water baffle (41) to drive the water baffle (41) to move. The electromagnetic drive (42) is electrically connected to the evaporation plate (10), and the driving force increases with the power of the electromagnetic drive (42) to drive the water baffle (41) to move and control the opening and closing of the water replenishment pipeline (30).
4. The water tank inlet structure according to claim 3, characterized in that, The water replenishment control component (40) also includes an elastic element (43). One end of the elastic element (43) is fixed relative to the water tank (20), and the other end is connected to the water blocking component (41). When the resistance value detected by the detection component (50) is greater than the preset value, the elastic element (43) deforms.
5. The water tank inlet structure according to claim 4, characterized in that, The water tank inlet structure also includes a power supply (60) for supplying power to the evaporation plate (10) and the electromagnetic drive (42). The detection element (50) is a feedback circuit, which is also electrically connected to the power supply (60) and is used to increase the voltage of the power supply (60) when the resistance value of the evaporation plate (10) increases.
6. The water tank inlet structure according to claim 5, characterized in that, The electromagnetic drive unit (42) is connected in parallel with the evaporation plate (10).
7. The water tank inlet structure according to claim 6, characterized in that, The water replenishment control component (40) includes a water replenishment connector (44) fixed to the water tank (20). The water replenishment connector (44) has a first water replenishment chamber (441) communicating with the water replenishment pipeline (30) and a second water replenishment chamber (442) communicating with the water storage space. The first water replenishment chamber (441) and the second water replenishment chamber (442) are connected through a water replenishment hole (443). The water-blocking component (41) is disposed in the second water-replenishing cavity (442) and is used to block the water-replenishing hole (443). The two ends of the elastic component (43) are respectively in contact with the water-blocking component (41) and the inner wall of the second water-replenishing cavity (442) away from the water-replenishing hole (443). The electromagnetic drive component (42) is an electromagnetic push rod and is disposed in the inner wall of the first water-replenishing cavity (441). It is used to drive the water-blocking component (41) to open the water-replenishing hole (443) when the resistance value detected by the detection component (50) is greater than the preset value.
8. The water tank inlet structure according to claim 4, characterized in that, The electromagnetic drive unit (42) is connected in series with the evaporation plate (10).
9. The water tank inlet structure according to claim 8, characterized in that, The water replenishment control component (40) includes a water replenishment connector (44) fixed to the water tank (20). The water replenishment connector (44) has a first water replenishment chamber (441) communicating with the water replenishment pipeline (30) and a second water replenishment chamber (442) communicating with the water storage space. The first water replenishment chamber (441) and the second water replenishment chamber (442) are connected through a water replenishment hole (443). The water-blocking component (41) is disposed in the second water supply cavity (442) and is used to block the water supply hole (443). The water-blocking component (41) is made of ferromagnetic material. The electromagnetic drive component (42) is an electromagnet and is disposed opposite to the water-blocking component (41) on the inner wall of the first water supply cavity (441). The two ends of the elastic component (43) are respectively fixed to the water-blocking component (41) and the inner wall of the first water supply cavity (441) away from the water supply hole (443), and are used to drive the water-blocking component (41) to open the water supply hole (443) when the resistance value detected by the detection component (50) is greater than the preset value.
10. A cooking device, characterized in that, It includes the water tank inlet structure as described in any one of claims 1 to 9.