Electric heating cooking device and method
The electric heating cooking device with handle sensors and anti-overflow detection optimizes cooking stages and reduces energy use by automating cooking processes in commercial settings.
Patent Information
- Application Number
- CN202411143733.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-20
- Publication Date
- 2024-12-13
AI Technical Summary
Existing electric heating cooking devices are inefficient and energy-consuming when used in commercial settings, such as dumpling restaurants, as they require frequent manual intervention and continuous boiling, which is time-consuming and costly.
An electric heating cooking device equipped with sensors on a pot handle to detect user interaction, controlling heating power based on handle position, and an anti-overflow detection system to manage water levels, allowing for automated cooking stages and energy-saving modes.
Simulates commercial cooking habits by enabling automated cooking stages from slight boiling to high-power ignition, reducing energy consumption and optimizing cooking efficiency in commercial environments.
Smart Images
Figure CN119112003A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a novel electric heating cooking device and method Background Art
[0002] At present, electric heating cooking devices usually cook according to one of several programs preset by the control device. Taking cooking dumplings as an example, it is usually to heat the water in the pot at full power first. The water boiling detection device detects in real time whether the water in the pot is boiling; if it is boiling, it reminds to add dumplings; and boils the water again after adding dumplings; after the water boils, it stops heating or reduces the power of heating to keep it warm for 2-3 minutes to prevent the skin of dumplings from being boiled in boiling water for a long time; then the heating power is increased again to make the water boil again, and it lasts for 1-2 minutes, and it is kept warm again for 2-3 minutes by stopping heating or reducing the power of heating; this is repeated 3-4 times, and it is determined that the dumplings are cooked, and a reminder signal is issued.
[0003] This method is only suitable for home use. If it is used in a dumpling restaurant, when people come, you need to add water and boil it temporarily, which is time-consuming; if you keep it boiling all the time, it will consume more electricity. Summary of the invention
[0004] To overcome the above-mentioned defects, the object of the present invention is to provide a novel electric heating cooking device and method.
[0005] To achieve the above object, the electric heating cooking device of the present invention comprises: an electric heating stove, a cooking pot is arranged on the electric heating stove, and a pot cover is arranged on the cooking pot; a handle is arranged on the pot cover; the front end of the handle is arranged on the pot cover, and the rear end of the handle extends outwardly from the pot body;
[0006] A first support and a second support corresponding to the tail of the handle are arranged at intervals on the upper surface of the electric heating stove on one side of the cooking pot, and a first sensor for detecting the tail of the handle is arranged on the first support; and a second sensor for detecting the tail of the handle is arranged on the second support;
[0007] It also includes a control device, wherein the signal output ends of the first sensor and the second sensor are connected to the input end of the control device; wherein,
[0008] When the first sensor detects the tail of the handle, the first sensor outputs a signal to the control device; the control device controls the electric heating cooker to heat at a first power to make the water in the pot slightly boiled;
[0009] When the second sensor detects the tail of the handle, the second sensor outputs a signal to the control device; the control device controls the electric heating cooker to heat according to a predetermined heating program.
[0010] When the first sensor and the second sensor cannot detect the tail of the handle within a predetermined time, the control device controls the electric heating cooker to heat at a second power;
[0011] The first power is smaller than the second power.
[0012] Furthermore, a permanent magnet is arranged at the tail of the handle; the first sensor and the second sensor are a reed switch, a Hall sensor, a magnetically controlled switch, and a magnetically controlled sensor.
[0013] Furthermore, the first sensor and the second sensor are micro switches or photoelectric switches.
[0014] Furthermore, an arc-shaped recess is provided at the upper end of the first pillar and the second pillar, and the first sensor and the second sensor are arranged on the upper surface of the arc-shaped recess or in the arc-shaped recess.
[0015] Furthermore, the electric heating cooker is provided with an anti-overflow detection device connected to the input end of the control device.
[0016] Furthermore, it also includes a controlled water injection device connected to the output end of the control device; when the overflow prevention detection device detects overflow, the control device outputs a signal to the controlled water injection device to enable the controlled water injection device to inject water into the electric heating cooker.
[0017] Furthermore, a water tank and a controlled water pump connected to the water tank through a pipeline are arranged on one side of the cooking pot, and a water outlet of a water outlet pipe of the controlled water pump is located above the cooking pot.
[0018] Furthermore, a concave portion is provided on the pot cover and is recessed into the pot, and the water injection hole is located in the concave portion; the water outlet of the water outlet pipe is located in the concave portion and is not in contact with the pot cover;
[0019] The anti-overflow detection device comprises two anti-overflow electrodes, wherein the first anti-overflow electrode is arranged on the cooking pot or the pot cover, and the second anti-overflow electrode is arranged at the water outlet of the water outlet pipe;
[0020] or,
[0021] The pot cover is provided with a recessed portion recessed into the pot, and a plurality of overflow holes are provided in the recessed portion; the water outlet of the water outlet pipe is located in the recessed portion and does not contact the pot cover;
[0022] The anti-overflow detection device comprises two anti-overflow electrodes, wherein the first anti-overflow electrode is arranged on the cooking pot or the pot cover, and the second anti-overflow electrode is arranged at the water outlet of the water outlet pipe;
[0023] or,
[0024] The pot cover is provided with a water outlet pipe jack; the water outlet pipe is insulated and inserted in the water outlet pipe jack; the water outlet of the water outlet pipe passes through the water pipe jack and is located in the pot cover;
[0025] The anti-overflow detection device comprises two anti-overflow electrodes, wherein the first anti-overflow electrode is arranged on the cooking pot or the pot cover, and the second anti-overflow electrode is arranged at the water outlet of the water outlet pipe.
[0026] Furthermore, the water outlet pipe is a metal pipe; the second anti-overflow electrode is electrically connected to the metal pipe.
[0027] Furthermore, the controlled water injection device includes: a water tank arranged on the container cover, a water outlet pipe is arranged at the bottom of the water tank; the water outlet of the water outlet pipe is located on the lower surface of the container cover; a controlled valve is arranged on the water outlet pipe; the controlled valve receives the output signal of the control device to open or close the water outlet pipe.
[0028] To achieve the above object, the cooking method of the electric heating cooking device of the present invention comprises the following steps:
[0029] Real-time monitoring of the first sensor and the second sensor;
[0030] When the first sensor detects the tail of the handle, the first sensor outputs a signal to the control device; the control device controls the electric heating cooker to be in a heat preservation state;
[0031] When the second sensor detects the tail of the handle, the second sensor outputs a signal to the control device; the control device controls the electric heating cooker to be in a high-power heating state;
[0032] When the first sensor and the second sensor cannot detect the tail of the handle, the control device controls the electric heating cooker to heat according to a predetermined program.
[0033] The cooking method of the electric heating cooking device of the present invention comprises the following steps:
[0034] Real-time monitoring of the first sensor and the second sensor;
[0035] When the first sensor detects the tail of the handle, the first sensor outputs a signal to the control device; the control device controls the electric heating cooker to be in a heat preservation state;
[0036] When the second sensor detects the tail of the handle, the second sensor outputs a signal to the control device; the control device controls the electric heating cooker to be in a high-power heating state;
[0037] When the first sensor and the second sensor cannot detect the tail of the handle, the control device controls the electric heating cooker to heat according to a predetermined program.
[0038] The method further includes the step of detecting in real time whether overflow occurs in the pot in any of the above steps; when overflow is detected, controlling the water injection device to inject water into the pot or reducing the heating power;
[0039] The present invention utilizes a sensor to detect the different positions of the handle to determine whether a user is operating, thereby realizing three heating actions of slight boiling, ignition and cooking, so as to simulate the cooking habits in a commercial environment and save energy. BRIEF DESCRIPTION OF THE DRAWINGS
[0040] Figure 1 It is a top view schematic diagram of embodiment 1 of the present invention.
[0041] Figure 2 for Figure 1 Schematic cross-sectional view of .
[0042] Figure 3 It is a principle block diagram of the present invention.
[0043] Figure 4 A schematic diagram of the structure in which the handle is placed on the pillar.
[0044] Figure 5 It is a structural schematic diagram of an embodiment of the present invention.
[0045] Figure 6 It is a structural schematic diagram of another embodiment of the present invention.
[0046] Figure 7 It is a structural schematic diagram of yet another embodiment of the present invention. DETAILED DESCRIPTION
[0047] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.
[0048] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention 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 cannot be understood as a limitation on the present invention.
[0049] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.
[0050] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0051] like Figure 1 and Figure 2 As shown, the electric heating cooker of the present invention is provided with a cooking pot, and a pot cover 1 is provided on the cooking pot; a handle 3 is provided on the pot cover; the front end of the handle is provided on the pot cover, and the rear end of the handle extends outwardly to the outside of the pot body;
[0052] A first support 21 and a second support 22 are arranged at intervals on the upper surface of the electric heating stove on one side of the cooking pot, and are arranged corresponding to the tail of the handle. A first sensor for detecting the tail of the handle is arranged on the first support 21; and a second sensor for detecting the tail of the handle is arranged on the second support 22.
[0053] When the pot handle is placed on the first support, the first sensor will detect it and output a signal to the control device, and the control device will control the electric heating cooker to heat the water in the pot at the first power to make it slightly boiled;
[0054] When the pot handle is placed on the second support, the second sensor will detect it and output a signal to the control device; the control device controls the electric heating cooker to heat according to a predetermined heating program.
[0055] When the first sensor and the second sensor cannot detect the tail of the handle within a predetermined time, the control device controls the electric heating cooker to heat at a second power;
[0056] The first power is smaller than the second power.
[0057] The above-mentioned electric heating device is firstly an induction cooker, because it is convenient to adjust and control the power; an electric heating device with multiple heating tubes (wires) can also be used, for example, three heating tubes are used; when the first power is used, one or two heating tubes are used, and when the second power is used, two or three heating tubes are used.
[0058] The first sensor and the second sensor mentioned above can be selected as needed. For example, the first sensor and the second sensor can be a micro switch. When the handle is placed on any pillar, the corresponding micro switch will be closed and turned on under the weight of the handle, and when the handle is lifted, the micro switch will be disconnected. A magnet can also be set at the end of the handle, and the first sensor and the second sensor are reed switches or Hall elements; when the handle is placed on any pillar, the corresponding reed switch or Hall element will be closed and turned on under the action of the magnet, and when the handle is lifted, the reed switch or Hall element will be disconnected when the magnet is lost. It can also be a through-shooting switch, a photoelectric switch, a proximity switch, etc., which are not listed here one by one.
[0059] The first power mentioned above can be set as needed. Taking the induction cooker as an example, the first power can be selected as 50%-70% power for heating; and the second power can be selected as 80%-100% power for heating; these power values can be set as needed.
[0060] The following is a further explanation based on the actual business environment. In the dining process of restaurants and dumpling shops, there are generally three stages:
[0061] 1) Waiting for customers
[0062] When there are no users, keep a temperature close to boiling, for example: 80-99℃, generally 95-99℃, which we call micro-boiling; this waiting time for users is controlled at a lower power and / or temperature to save energy. If the temperature is set too low, the waiting time for users will be longer, affecting the turnover rate (table reuse rate); if the temperature is set too high, it will waste electricity, so the actual temperature can be set as needed.
[0063] In actual use, when the shop owner puts the pot handle on the first pillar, the first sensor will detect it and output a signal to the control device, and the control device will control the electric heating cooker to heat the water in the pot at the first power to keep it in a slightly boiling energy-saving state;
[0064] 2) Customer enters the store
[0065] When the user arrives, in order to allow the user to eat as soon as possible, the pot lid needs to be opened to put food into the pot; this process requires the pot to quickly enter the boiling state;
[0066] Therefore, as long as the control device cannot detect the pot handle through the first sensor and the second sensor, it will be considered that the user is coming, and thus perform heating with a larger power (80%-100%) or full power in order to quickly open the pot. We call this state "ignition".
[0067] 3) Cooking
[0068] After the food is placed in the pot, it needs to be heated according to a predetermined program. Taking the aforementioned cooking of dumplings as an example, it requires boiling the pot, keeping warm, boiling the pot again, keeping warm again, boiling the pot for the third time, etc. At this time, the customer only needs to put the pot handle on the second pillar, the second sensor will detect it and output a signal to the control device; the control device controls the electric heating cooker to heat according to the predetermined heating program.
[0069] In summary, it can be seen that the present invention aims to utilize the pot handle and two sensors to achieve three heating actions from slight boiling, ignition to cooking, thereby simulating the cooking habits in a commercial environment and saving energy.
[0070] As a further improvement of the above invention, an arc-shaped recess matched with the handle is arranged at the upper end of the first pillar and the second pillar, and the first sensor and the second sensor are arranged on the upper surface of the arc-shaped recess or in the arc-shaped recess.
[0071] As a further improvement of the above embodiments, a preferred embodiment of the present invention is that an anti-overflow detection device connected to the input end of the control device is provided in the electric heating cooker.
[0072] The above-mentioned anti-overflow detection device is usually composed of two anti-overflow detection electrodes; the arrangement of the two anti-overflow detection electrodes can be selected according to needs; for example, the two anti-overflow detection electrodes can be placed near the pot mouth in the pot; one anti-overflow detection electrode can also be set on the pot body, and the other can be set on the pot cover or suspended in the vent of the pot cover, etc. The anti-overflow detection device can also be a float switch or a photoelectric beam switch, etc., which can be designed and selected according to actual needs. After adding the anti-overflow detection device, the control device can perform anti-overflow control on the pot according to the design, for example, reducing the heating power or injecting water into the pot to reduce the temperature in the pot, etc.
[0073] As a further improvement of the above embodiments, a preferred embodiment of the present invention further includes a controlled water injection device connected to the output end of the control device; when the overflow prevention detection device detects overflow, the control device outputs a signal to the controlled water injection device so that the controlled water injection device injects water into the electric heating cooker. The water injection method can be designed as needed, for example, water can be injected into the pot from the bottom of the pot; water can also be injected into the pot from the side of the pot body; water can also be injected into the pot from the top of the pot, or water can be injected into the pot from the pot cover, etc.
[0074] The water injection process can be completed by using a water tank and a controlled water pump. The controlled water pump is connected to the water tank through a pipeline, and the controlled water pump can also be directly set in the water tank. The position of the water tank can be designed according to needs. The water tank can be located on the left or right side of the pot body, and can also be set on the lower or upper side of the pot body. When the water tank is set on the upper side of the pot body, a controlled water pump can be used instead of a controlled valve to control the outflow of water in the water tank.
[0075] Example 1
[0076] Figure 5 This is an embodiment of the anti-overflow electric heating cooker of the present invention; it includes: a metal pot body 1 and a pot cover 2 arranged on the pot; a heating device is arranged at the lower part of the metal pot body; a recess 3 is arranged on the pot cover; and one or more overflow holes 31 are arranged on the pot cover in the recess; in this way, when the overflow passes through the overflow hole on the recess and enters the recess, it will be detected by the anti-overflow detection electrode.
[0077] A water tank 5 and a controlled water pump 6 connected to the water tank through a pipeline are arranged on one side of the pot body. A metal water outlet pipe 51 (or a non-metallic pipe with a conductive layer) of the controlled water pump extends toward the pot cover so that the water outlet of the metal water outlet pipe is located in the recess to facilitate contact with overflow; the water outlet of the water outlet pipe does not contact the pot cover at the recess.
[0078] A first anti-overflow electrode 41 is provided on the pot body; a second anti-overflow electrode 42 is connected to the metal water outlet pipe; thus, the metal water outlet pipe has both the water outlet function and the anti-overflow detection function;
[0079] When the overflow in the pot overflows into the concave part and contacts the water outlet of the metal water outlet pipe, the control device will detect the change and output a signal to control the controlled water pump to pump water into the concave part. When the water enters the pot through the overflow hole on the concave part, the overflow can be stopped.
[0080] As a further improvement of this embodiment, the control circuit sends a signal to the controlled water pump while sending a pumping signal to the controlled water pump, and also sends a signal to the heating device to reduce the heating power to achieve a better anti-overflow effect. This method is more effective for foods that are prone to overflowing.
[0081] Example 2
[0082] As a variation of the above embodiment, the water outlet pipe is a non-conductive metal pipe, such as a plastic pipe; the second overflow prevention electrode can be set at the water outlet of the water outlet pipe through a lead wire, for example, a metal ring is set at the water outlet of the water outlet pipe; and then connected to the second overflow prevention electrode through the metal ring. In this way, the second overflow prevention electrode and the water outlet pipe each play their own role, and can also achieve the effect of overflow prevention.
[0083] Example 3
[0084] As a variation of the above embodiment, the second anti-overflow electrode can be set in the recess through a lead wire, and the water outlet of the water pump's water outlet pipe (which can be metal or non-metal) can be located above the recess; in this way, the second anti-overflow electrode and the water outlet pipe each perform their respective functions and can also achieve an anti-overflow effect.
[0085] Example 4
[0086] like Figure 6 The anti-overflow electric heating cooker shown is Figure 5 A variation of the embodiment shown; comprising: a container 1 and a container cover 2 disposed on the pot; a water injection hole 21 is disposed on the upper portion of the container cover 2 corresponding to the water outlet;
[0087] A first anti-overflow electrode 41 is provided on the pot body;
[0088] A water tank 5 and a controlled water pump 6 connected to the water tank through a pipeline are arranged on one side of the pot body. A metal water outlet pipe 51 (or a non-metallic pipe with a conductive layer) of the controlled water pump extends toward the pot cover so that the water outlet of the metal water outlet pipe is injected into the water injection hole 21 to facilitate contact with overflow; the water outlet of the water outlet pipe does not contact the pot cover.
[0089] The second anti-overflow electrode 42 is connected to the metal water outlet pipe; thus, the metal water outlet pipe has both the water outlet function and the anti-overflow detection function;
[0090] When the overflow in the pot overflows into the concave part and contacts the water outlet of the metal water outlet pipe, the control device will detect the change and output a signal to control the controlled water pump to pump water into the concave part. When the water enters the pot through the overflow hole on the concave part, the overflow can be stopped.
[0091] Example 5
[0092] like Figure 7 The anti-overflow electric heating cooker shown is Figure 6 A variation of the embodiment shown; an air outlet 22 is separately provided on the pot cover; and the water outlet pipe is directly inserted into the pot cover through the insulating sleeve on the pot cover.
[0093] Example 6
[0094] As a variation of the above embodiment, the water tank can be arranged on the container cover, and the bottom of the water tank is connected to the lower surface of the container cover 2 through a pipeline; a controlled solenoid valve is arranged in the pipeline;
[0095] When the overflow in the container overflows, the control device will detect the change based on the overflow prevention detection electrode and output a signal to control the solenoid valve to open the pipe to let water into the pot, which can stop the overflow.
[0096] As a further improvement of this embodiment, the control circuit sends a signal to the controlled water pump while sending a pumping signal to the controlled water pump, and also sends a signal to the heating device to reduce the heating power to achieve a better anti-overflow effect. This method is more effective for foods that are prone to overflowing.
[0097] Example 7
[0098] The overflow prevention control method of the present invention comprises the following steps:
[0099] Whether overflow occurs in the pot is detected in real time; when overflow is detected, the water injection device is controlled to inject water into the pot.
[0100] Further, when overflow is detected, the method further includes the step of reducing the heating power;
[0101] Furthermore, the water injection amount or water injection time is a predetermined value; for example, 50ML of water can be injected each time, or each time the water can be injected for 3 seconds, etc. In this way, better control can be exercised for some foods that need to be boiled multiple times, and a means of replenishing water into the pot can also be provided. For example, at the beginning, a small amount of water is put into the pot for cooking; and after overflow, a relative amount of water is added each time to finally reach a predetermined amount of water.
[0102] Furthermore, the method further includes a step of counting the number of overflows; for example, it may be 5-15 times, and when the number of overflows reaches a predetermined number, the heating device is turned off. In this way, not only can the food that needs to be boiled multiple times be better controlled, but it can also be used as a means of replenishing water in the pot. For example, at the beginning, a small amount of water is put in the pot for cooking; and after the overflow, a relative amount of water is added each time to eventually reach a predetermined amount of water. And the number of overflows is finally used as the time point for ending cooking.
[0103] Example 9
[0104] The pot cover for preventing overflow of the present invention comprises: a concave portion is arranged on the pot cover; and one or more overflow holes are arranged on the pot cover in the concave portion. Thus, when the overflow passes through the overflow hole on the concave portion and enters the concave portion, it will be detected by the anti-overflow detection electrode.
[0105] In the description of this specification, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.
[0106] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.
Claims
1. An electric heating cooking device, characterized in that: include: An electric heating stove, wherein a cooking pot is arranged on the electric heating stove, and a pot cover is arranged on the cooking pot; a handle is arranged on the pot cover; the front end of the handle is arranged on the pot cover, and the rear end of the handle extends outwardly to the outside of the pot body; A first support and a second support corresponding to the tail of the handle are arranged at intervals on the upper surface of the electric heating stove on one side of the cooking pot, and a first sensor for detecting the tail of the handle is arranged on the first support; and a second sensor for detecting the tail of the handle is arranged on the second support; It also includes a control device, wherein the signal output ends of the first sensor and the second sensor are connected to the input end of the control device; wherein, When the first sensor detects the tail of the handle, the first sensor outputs a signal to the control device; the control device controls the electric heating cooker to heat at a first power to make the water in the pot slightly boiled; When the second sensor detects the tail of the handle, the second sensor outputs a signal to the control device; the control device controls the electric heating cooker to heat according to a predetermined heating program. When the first sensor and the second sensor cannot detect the tail of the handle within a predetermined time, the control device controls the electric heating cooker to heat at a second power; The first power is smaller than the second power.
2. An electric heating cooking device as claimed in claim 1, characterized in that: The tail of the handle is provided with a permanent magnet; the first sensor and the second sensor are a reed switch, a Hall sensor, a magnetic control switch, and a magnetic control sensor.
3. The electric heating cooking device according to claim 1, characterized in that: The first sensor and the second sensor are micro switches and photoelectric switches.
4. The electric heating cooking device according to claim 1, characterized in that: An arc-shaped recess is arranged at the upper ends of the first pillar and the second pillar, and the first sensor and the second sensor are arranged on the upper surface of the arc-shaped recess or in the arc-shaped recess.
5. The electric heating cooking device according to claim 1, characterized in that: The electric heating cooker is provided with an anti-overflow detection device connected to the input end of the control device; and also includes a controlled water injection device connected to the output end of the control device; when the anti-overflow detection device detects overflow, the control device outputs a signal to the controlled water injection device, so that the controlled water injection device injects water into the electric heating cooker.
6. The anti-overflow electric heating cooker according to claim 5, characterized in that: A water tank and a controlled water pump connected to the water tank through a pipeline are arranged on one side of the cooking pot, and a water outlet of a water outlet pipe of the controlled water pump is located above the cooking pot.
7. The anti-overflow electric heating cooker according to claim 6, characterized in that: A concave portion is provided on the pot cover and is recessed into the pot, and the water injection hole is located in the concave portion; the water outlet of the water outlet pipe is located in the concave portion and is not in contact with the pot cover; The anti-overflow detection device comprises two anti-overflow electrodes, wherein the first anti-overflow electrode is arranged on the cooking pot or the pot cover, and the second anti-overflow electrode is arranged at the water outlet of the water outlet pipe; or, The pot cover is provided with a recessed portion recessed into the pot, and a plurality of overflow holes are provided in the recessed portion; the water outlet of the water outlet pipe is located in the recessed portion and does not contact the pot cover; The anti-overflow detection device comprises two anti-overflow electrodes, wherein the first anti-overflow electrode is arranged on the cooking pot or the pot cover, and the second anti-overflow electrode is arranged at the water outlet of the water outlet pipe; or, The pot cover is provided with a water outlet pipe jack; the water outlet pipe is insulated and inserted in the water outlet pipe jack; the water outlet of the water outlet pipe passes through the water pipe jack and is located in the pot cover; The anti-overflow detection device comprises two anti-overflow electrodes, wherein the first anti-overflow electrode is arranged on the cooking pot or the pot cover, and the second anti-overflow electrode is arranged at the water outlet of the water outlet pipe.
8. The anti-overflow electric heating cooker according to claim 7, characterized in that: The water outlet pipe is a metal pipe; the second anti-overflow electrode is electrically connected to the metal pipe.
9. The anti-overflow electric heating cooker according to claim 5, characterized in that: The controlled water injection device includes: a water tank arranged on the container cover, a water outlet pipe is arranged at the bottom of the water tank; the water outlet of the water outlet pipe is located on the lower surface of the container cover; a controlled valve is arranged on the water outlet pipe; the controlled valve receives the output signal of the control device to make the water outlet pipe open or close.
10. A cooking method using an electric heating cooking device, characterized in that: The method comprises the following steps: Real-time monitoring of the first sensor and the second sensor; When the first sensor detects the tail of the handle, the first sensor outputs a signal to the control device; the control device controls the electric heating cooker to be in a heat preservation state; When the second sensor detects the tail of the handle, the second sensor outputs a signal to the control device; the control device controls the electric heating cooker to be in a high-power heating state; When the first sensor and the second sensor cannot detect the tail of the handle, the control device controls the electric heating cooker to heat according to a predetermined program.