CN110547677A - Control method of water boiler and water boiler - Google Patents
Control method of water boiler and water boiler Download PDFInfo
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- CN110547677A CN110547677A CN201910808487.9A CN201910808487A CN110547677A CN 110547677 A CN110547677 A CN 110547677A CN 201910808487 A CN201910808487 A CN 201910808487A CN 110547677 A CN110547677 A CN 110547677A
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21166—Constructional details or accessories
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The embodiment of the invention discloses a control method of a water boiler and the water boiler, wherein the water boiler comprises a boiler body and a power supply base which is arranged separately from the boiler body and is coupled with the boiler body, and the water boiler comprises: the power failure detection circuit comprises a main control unit, a power failure maintaining circuit and a zero-crossing detection circuit; the power failure maintaining circuit is arranged between the power supply and the main control unit and used for supplying power to the main control unit within a first preset time after power failure; the method comprises the following steps: during the process of boiling water in the water boiler, detecting a zero-crossing signal of the power supply through a zero-crossing detection circuit; when the zero-crossing detection circuit detects a zero-crossing signal, the main control unit determines that the water boiler is powered off, stops the current work, records the current working parameters, and enters a dormant state after the recording is finished; and when the water boiler is powered on again, the main control unit finishes the dormant state and maintains the working state before power failure to continue working according to the recorded current working parameters. Through the scheme of the embodiment, the use convenience of the water boiler is improved, and the intelligent degree of the water boiler is improved.
Description
Technical Field
The embodiment of the invention relates to a control technology of a water boiling device, in particular to a control method of a water boiling pot and the water boiling pot.
Background
At present, the electronic water boiler on the market is put back to the base after being lifted up to pour water in the working process, and the water boiler is recovered to a standby state by default at the moment and cannot be continuously maintained in the previous state; if the function is finished, the boiling water pot is still in a standby state when being electrified again, and the previous function cannot be automatically displayed; if the cancel key is pressed first, then the select key is pressed and finally the start key is pressed in the process of boiling water to reselect the function, so that the current water boiler is not convenient to use and has low intelligence.
disclosure of Invention
The embodiment of the invention provides a control method of a water boiling pot and the water boiling pot, which can improve the use convenience of the water boiling pot and the intelligent degree of the water boiling pot.
In order to achieve the object of the embodiments of the present invention, the embodiments of the present invention provide a control method for a water boiler, the water boiler includes a boiler body and a power base separately disposed from and coupled to the boiler body, the electric boiler includes: the power failure detection circuit comprises a main control unit, a power failure maintaining circuit and a zero-crossing detection circuit; the power failure maintaining circuit is arranged between a power supply and the main control unit and used for supplying power to the main control unit within a first preset time after power failure; the method may include:
In the process of boiling water in a boiler, detecting a zero-crossing signal of the power supply through the zero-crossing detection circuit;
When the zero-crossing detection circuit detects the zero-crossing signal, the main control unit determines that the water boiler is powered off, stops the current work, records the current working parameters, and enters a dormant state after the recording is finished;
And when the water boiler is powered on again, the main control unit finishes the dormant state and maintains the working state before power failure to continue working according to the recorded current working parameters.
In an exemplary embodiment of the present invention, the current operating parameters may include a function type parameter and a function operating parameter;
The step of the main control unit maintaining the working state before the power failure according to the recorded current working parameters may include: and setting the functions used by the water boiler before power failure to be in a selected state according to the function type parameters, starting the selected functions when the selection operation of a preset starting key is detected, and continuously executing the functions according to the function operation parameters.
in an exemplary embodiment of the present invention, the start key is a function key corresponding to the function, or a combined start key of a plurality of functions used by the boiler before power failure.
in an exemplary embodiment of the present invention, when the start key is the combination start key, the method may further include:
after one time of water boiling is finished according to the combination of a plurality of functions, the function configuration parameters of the water boiling process are stored, and when the same plurality of functions are adopted for water boiling next time, a combination starting key corresponding to the functions is lightened, so that the water boiling is started and stopped according to the combination starting key.
in an exemplary embodiment of the present invention, the method may further include: and in the process of continuing working according to the recorded current working parameters in the working state before maintaining power failure, when any function key except the currently executed function is detected to be selected, stopping executing the current function, and replacing the selected function to continue working.
In an exemplary embodiment of the present invention, the method may further include: and in the process of continuing working according to the recorded current working parameters in the working state before maintaining power failure, when any function key is detected to be selected, stopping executing the current function, and switching to the function selection state.
In an exemplary embodiment of the present invention, the method may further include: after switching to the function selection state, performing any one of the following operations:
When any one function is detected to be selected, the selected function is replaced to continue working;
When any function is not detected to be selected within a second preset time, executing a function corresponding to the any function key selected before the function is switched to the function selection state;
And when the selection of any function is not detected within the preset time length, executing the function executed before the selection of any function key is detected.
In an exemplary embodiment of the present invention, the arbitrary function key may include: any function combination key.
in an exemplary embodiment of the present invention, the power down maintaining circuit may include: charging and discharging a capacitor;
The method may further comprise: and adjusting the first preset duration by adjusting the capacitance value of the charge-discharge capacitor.
the embodiment of the invention also provides a water boiler, which can comprise: the power failure detection circuit comprises a main control unit, a power failure maintaining circuit and a zero-crossing detection circuit;
The power failure maintaining circuit is arranged between a power supply and the main control unit and used for supplying power to the main control unit within a first preset time after power failure;
the zero-crossing detection circuit is used for detecting a zero-crossing signal of the power supply in the process of boiling water in the water boiler;
The main control unit is used for determining that the water boiler is powered off when the zero-crossing detection circuit detects the zero-crossing signal, stopping current work, recording current working parameters and entering a dormant state after the recording is finished; and when the water boiler is powered on again, ending the dormant state, and maintaining the working state before power failure to continue working according to the recorded current working parameters.
The beneficial effects of the embodiment of the invention can include:
1. the water boiler of the embodiment of the present invention may include: the power failure detection circuit comprises a main control unit, a power failure maintaining circuit and a zero-crossing detection circuit; the power failure maintaining circuit is arranged between a power supply and the main control unit and used for supplying power to the main control unit within a first preset time after power failure; the method may include: in the process of boiling water in a boiler, detecting a zero-crossing signal of the power supply through the zero-crossing detection circuit; when the zero-crossing detection circuit detects the zero-crossing signal, the main control unit determines that the water boiler is powered off, stops the current work, records the current working parameters, and enters a dormant state after the recording is finished; and when the water boiler is powered on again, the main control unit finishes the dormant state and maintains the working state before power failure to continue working according to the recorded current working parameters. Through the scheme of the embodiment, the use convenience of the water boiler is improved, and the intelligent degree of the water boiler is improved.
2. the current working parameters of the embodiment of the invention can comprise function type parameters and function operation parameters; the step of the main control unit maintaining the working state before the power failure according to the recorded current working parameters may include: and setting the functions used by the water boiler before power failure to be in a selected state according to the function type parameters, starting the selected functions when the selection operation of a preset starting key is detected, and continuously executing the functions according to the function operation parameters. Through the embodiment scheme, the function before power failure can be continuously executed when the water boiler is powered on again, the user is prevented from selecting the function again, and the user experience is improved.
3. In the embodiment of the present invention, when the start key is the combined start key, the method may further include: after one time of water boiling is finished according to the combination of a plurality of functions, the function configuration parameters of the water boiling process are stored, and when the same plurality of functions are adopted for water boiling next time, a combination starting key corresponding to the functions is lightened, so that the water boiling is started and stopped according to the combination starting key. Through the scheme of the embodiment, the water boiling operation which needs to be completed by combining a plurality of functions can be completed by only pressing one combination key, so that the operation steps are saved, and the user experience is further improved.
4. The method of the embodiment of the present invention may further include: and in the process of continuing working according to the recorded current working parameters in the working state before maintaining power failure, when any function key except the currently executed function is detected to be selected, stopping executing the current function, and replacing the selected function to continue working. Through the scheme of the embodiment, the user can change the water boiling function at any time in the water boiling process, and the operation convenience and flexibility are improved.
5. the power failure maintaining circuit of the embodiment of the invention may include: charging and discharging a capacitor; the method may further comprise: and adjusting the first preset duration by adjusting the capacitance value of the charge-discharge capacitor. The embodiment scheme is simple, easy to understand and implement and low in cost.
additional features and advantages of embodiments of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the embodiments of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
drawings
The accompanying drawings are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the examples of the application do not constitute a limitation of the embodiments of the invention.
FIG. 1 is a flowchart of a method for controlling a water boiler according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a power down maintenance circuit according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a zero-crossing detection circuit according to an embodiment of the invention;
fig. 4 is a block diagram of a water boiler according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
the steps illustrated in the flow charts of the figures may be performed in a computer system such as a set of computer-executable instructions. Also, while a logical order is shown in the flow diagrams, in some cases, the steps shown or described may be performed in an order different than here.
example one
The embodiment of the invention provides a control method of a water boiling pot, the water boiling pot comprises a pot body and a power supply base which is arranged separately from the pot body and is coupled with the pot body, the water boiling pot comprises: the power failure detection circuit comprises a main control unit, a power failure maintaining circuit and a zero-crossing detection circuit; the power failure maintaining circuit is arranged between a power supply and the main control unit and used for supplying power to the main control unit within a first preset time after power failure; as shown in fig. 1, the method may include S101-S103:
s101, detecting a zero-crossing signal of the power supply through the zero-crossing detection circuit in the process of boiling water in a water boiler;
s102, when the zero-crossing detection circuit detects the zero-crossing signal, the main control unit determines that the water boiler is powered off, stops current work, records current working parameters, and enters a dormant state after the recording is finished;
S103, when the water boiler is powered on again, the main control unit ends the dormant state and maintains the working state before power failure to continue working according to the recorded current working parameters.
In the exemplary embodiment of the invention, the water boiling pot is placed inside the cup body, and the power supply of the water boiling pot is coupled through the base, so that when the water boiling pot is lifted, the circuit board is powered off. The embodiment of the invention is additionally provided with the power failure maintaining circuit and the zero-crossing detection circuit, so that the power failure state can be detected by the zero-crossing detection circuit, and the power failure maintaining circuit can maintain power supply for a certain time. Of course, the power supply is arranged in the power supply base, and the main control unit can be arranged on the kettle body or the power supply base.
In an exemplary embodiment of the present invention, the power down maintaining circuit may include: a charge-discharge capacitor C1;
The method may further comprise: the first preset time period is adjusted by adjusting the capacitance value of the charge and discharge capacitor C1.
In an exemplary embodiment of the present invention, the power-down maintaining circuit may be illustrated as fig. 2, the zero-crossing detecting circuit is illustrated as fig. 3, when the water boiler normally operates, the charging and discharging capacitor C1 may be charged, when the zero-crossing detecting circuit detects that the zero-crossing signal is lost, it is determined to enter a power-down state, at this time, the charging and discharging capacitor C1 provides the operating voltage of the main control unit, the charging and discharging capacitor C1 starts to discharge, the main control unit may stop the current operation and record related variables (current operating parameters), and then enter a sleep mode, and the power-down memory maintaining duration (i.e., the first preset duration) may depend on the falling duration on the charging and discharging capacitor C1, for example, the duration t1 is reduced from 5V to 2.7V, i.e., the time t1 is the time when the water boiler is returned, and the state operation before the water boiler may.
In the exemplary embodiment of the invention, the water boiler is put back to the base before the voltage is reduced to the lowest reset voltage (about 2.7V), the zero-crossing signal is recovered, namely the main control unit is triggered by the external interrupt signal to recover to the normal mode, and the relevant working state variables are recorded before the sleep, so that the working state before the kettle can be rapidly recovered. For example, when a user adds water to the kettle during boiling or pours water from the kettle during keeping warm, the working state of the kettle can be maintained after the kettle is put back within the time period t 1.
In the exemplary embodiment of the invention, due to the limitation of the volume of the boiled water boiler, the capacitance value of the C1 capacitor cannot be selected to be too large, the scheme of the embodiment can use 470uF, the duration of t1 is about 30 seconds, the duration of t1 can meet the use scene of an actual user, and the use convenience of the boiled water boiler is improved in a larger program.
Example two
The embodiment provides an embodiment of the function of displaying last use by power-on the basis of the first embodiment.
In an exemplary embodiment of the present invention, the current operating parameters may include a function type parameter and a function operating parameter;
the step of the main control unit maintaining the working state before the power failure according to the recorded current working parameters may include: and setting the functions used by the water boiler before power failure to be in a selected state according to the function type parameters, starting the selected functions when the selection operation of a preset starting key is detected, and continuously executing the functions according to the function operation parameters.
In an exemplary embodiment of the present invention, after a user finishes boiling water using any function of the water boiler, an EEPROM (Electrically Erasable Programmable Read-Only Memory) of the chip records a current function, and displays a function used last time when the user powers on next time.
In an exemplary embodiment of the present invention, the start key is a function key corresponding to the function, or a combined start key of a plurality of functions used by the boiler before power failure.
In an exemplary embodiment of the present invention, when the start key is the combination start key, the method may further include:
After one time of water boiling is finished according to the combination of a plurality of functions, the function configuration parameters of the water boiling process are stored, and when the same plurality of functions are adopted for water boiling next time, a combination starting key corresponding to the functions is lightened, so that the water boiling is started and stopped according to the combination starting key.
In the exemplary embodiment of the invention, the electronic water boiler has relatively more functions, taking 1 boiling key and 1 temperature adjusting key as examples, the boiling key can be used for selecting direct boiling, chlorine removal boiling or no boiling, the temperature adjusting key can be used for selecting the heat preservation temperature (4 temperature points) after boiling or heating to the heat preservation temperature (4 temperature points) without boiling, so 12 functions are provided, when the boiling and heat preservation are selected for the first time, the boiling key is needed to be pressed for 1 time, the temperature adjusting key is pressed for 1 time, the starting key is pressed for 1 time, if the same function is used for the second time, the key is still needed for 3 ~ times, if the power is directly displayed on the functional state of the previous boiler, the functional lamp directly flickers (is in the selected state) after the power is turned on, and only one time of pressing the starting key is needed, so that the operation of a user can be greatly simplified.
In an exemplary embodiment of the present invention, after completing the one-pot function, the main control unit may store the function configuration parameters into the EEPROM, and read the function configuration parameters at the corresponding position of the EEPROM when powering on next time and may display the function configuration parameters to the screen. The user can select to turn on or turn off the memorized function through the specific combination key, and the corresponding icon can be displayed on the screen when the memorized function is turned on or turned off.
In an exemplary embodiment of the present invention, the main control unit may also automatically record the number of times of use of various functions of the user in the EEPROM, and when N (for example, N > =50, N is a positive integer) pans are accumulated, the number of times of use of various functions may be counted according to the record of the N pans, and unused functions or functions with a very small number of times of use are masked, which is equivalent to 12 functions at the maximum before, and after the analysis of the use habits of the user is started, only the most frequently used 3 to 5 functions are displayed, so that the logic of the UI operation of the user interface is simpler and the number of operations is less. The user can also display the corresponding icon on the screen by using habit analysis, and the user can select a specific combination key to turn on or off the corresponding function.
EXAMPLE III
The embodiment provides an embodiment that the working state can be changed by pressing any function selection key in the water boiling process on the basis of any embodiment.
in an exemplary embodiment of the present invention, the method may further include: and in the process of continuing working according to the recorded current working parameters in the working state before maintaining power failure, when any function key except the currently executed function is detected to be selected, stopping executing the current function, and replacing the selected function to continue working.
in an exemplary embodiment of the present invention, the method may further include: and in the process of continuing working according to the recorded current working parameters in the working state before maintaining power failure, when any function key is detected to be selected, stopping executing the current function, and switching to the function selection state.
In an exemplary embodiment of the present invention, a key may be allowed to be pressed during the water boiling process, and the current operation step is stopped when the function selection key is pressed, and switched to the function selection state.
In an exemplary embodiment of the present invention, the method may further include: after switching to the function selection state, performing any one of the following operations:
when any one function is detected to be selected, the selected function is replaced to continue working;
when any function is not detected to be selected within a second preset time, executing a function corresponding to the any function key selected before the function is switched to the function selection state;
And when the selection of any function is not detected within the preset time length, executing the function executed before the selection of any function key is detected.
in an exemplary embodiment of the present invention, the arbitrary function key may include: any function combination key.
in the exemplary embodiment of the present invention, 1 of the key for boiling and 1 of the key for temperature adjustment are taken as examples, the key for boiling may be used to select direct boiling, chlorine removal boiling or no boiling, and the key for temperature adjustment may be used to select the holding temperature after boiling (4 temperature points: 45 ℃, 55 ℃, 75 ℃, 85 ℃) or direct heating to the holding temperature without boiling (4 temperature points: 45 ℃, 55 ℃, 75 ℃, 85 ℃). When the general water boiler executes the functions of direct boiling and heat preservation at 55 ℃, if the functions are changed into chlorine removal boiling and heat preservation at 75 ℃, the machine needs to be returned to the standby state by pressing a cancel key firstly, then the boiling key is pressed for 2 times to switch to chlorine removal boiling, and then the heat preservation key is pressed for 3 times to switch to 75 ℃, and at least 6 times of key pressing actions are needed. In the scheme of the embodiment, the same function adjustment can be realized by only pressing the burn-in key for 1 time and then pressing the heat preservation key for 1 time. Because the logic of the scheme of the embodiment is to allow the selection key to be pressed in the process of boiling water or keeping warm, the operation with the same effect can simplify 4 times of key actions, and the convenience and the flexibility of the operation are greatly improved.
Example four
the embodiment of the present invention further provides a water boiler 1, and it should be noted that any embodiment of the control method of the water boiler may be applicable to the embodiment of the water boiler, and is not described herein again, and as shown in fig. 4, the water boiler 1 may include: the device comprises a main control unit 11, a power failure maintaining circuit 12 and a zero-crossing detection circuit 13;
the power failure maintaining circuit 12 is arranged between the power supply and the main control unit and used for supplying power to the main control unit within a first preset time after power failure;
The zero-crossing detection circuit 13 is used for detecting a zero-crossing signal of the power supply in the process of boiling water in the water boiler;
The main control unit 11 is configured to determine that the water boiler has powered off when the zero-crossing detection circuit detects the zero-crossing signal, stop current work, record current working parameters, and enter a sleep state after the recording is completed; and when the water boiler is powered on again, ending the dormant state, and maintaining the working state before power failure to continue working according to the recorded current working parameters.
it will be understood by those of ordinary skill in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the components may be implemented as software executed by a processor, such as a digital signal processor or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
Claims (10)
1. A control method of a water boiler is characterized in that the water boiler comprises a boiler body and a power supply base which is arranged separately from the boiler body and is coupled with the boiler body, and the water boiler comprises: the power failure detection circuit comprises a main control unit, a power failure maintaining circuit and a zero-crossing detection circuit; the power failure maintaining circuit is arranged between a power supply and the main control unit and used for supplying power to the main control unit within a first preset time after power failure; the method comprises the following steps:
In the process of boiling water in a boiler, detecting a zero-crossing signal of the power supply through the zero-crossing detection circuit;
When the zero-crossing detection circuit detects the zero-crossing signal, the main control unit determines that the water boiler is powered off, stops the current work, records the current working parameters, and enters a dormant state after the recording is finished;
And when the water boiler is powered on again, the main control unit finishes the dormant state and maintains the working state before power failure to continue working according to the recorded current working parameters.
2. The method of claim 1, wherein the current operating parameters include a function type parameter and a function operating parameter;
The main control unit maintains the working state before the power failure to continue working according to the recorded current working parameters, and the working state comprises the following steps: and setting the functions used by the water boiler before power failure to be in a selected state according to the function type parameters, starting the selected functions when the selection operation of a preset starting key is detected, and continuously executing the functions according to the function operation parameters.
3. The method as claimed in claim 2, wherein the start key is a function key corresponding to the function, or a combination of a plurality of functions used by the boiler before power failure.
4. The method of controlling a water boiler according to claim 3, wherein when the start key is the combined start key, the method further comprises:
After one time of water boiling is finished according to the combination of a plurality of functions, the function configuration parameters of the water boiling process are stored, and when the same plurality of functions are adopted for water boiling next time, a combination starting key corresponding to the functions is lightened, so that the water boiling is started and stopped according to the combination starting key.
5. The method of controlling a water boiler as claimed in claim 1, further comprising: and in the process of continuing working according to the recorded current working parameters in the working state before maintaining power failure, when any function key except the currently executed function is detected to be selected, stopping executing the current function, and replacing the selected function to continue working.
6. The method of controlling a water boiler as claimed in claim 1, further comprising: and in the process of continuing working according to the recorded current working parameters in the working state before maintaining power failure, when any function key is detected to be selected, stopping executing the current function, and switching to the function selection state.
7. the method of controlling a water boiler as claimed in claim 6, further comprising: after switching to the function selection state, performing any one of the following operations:
when any one function is detected to be selected, the selected function is replaced to continue working;
when any function is not detected to be selected within a second preset time, executing a function corresponding to the any function key selected before the function is switched to the function selection state;
and when the selection of any function is not detected within the preset time length, executing the function executed before the selection of any function key is detected.
8. the method of claim 6, wherein the arbitrary function button comprises: any function combination key.
9. the method of claim 1, wherein the power-down maintaining circuit comprises: charging and discharging a capacitor;
The method further comprises the following steps: and adjusting the first preset duration by adjusting the capacitance value of the charge-discharge capacitor.
10. a water boiler, characterized in that it comprises: the power failure detection circuit comprises a main control unit, a power failure maintaining circuit and a zero-crossing detection circuit;
the power failure maintaining circuit is arranged between a power supply and the main control unit and used for supplying power to the main control unit within a first preset time after power failure;
The zero-crossing detection circuit is used for detecting a zero-crossing signal of the power supply in the process of boiling water in the water boiler;
The main control unit is used for determining that the water boiler is powered off when the zero-crossing detection circuit detects the zero-crossing signal, stopping current work, recording current working parameters and entering a dormant state after the recording is finished; and when the water boiler is powered on again, ending the dormant state, and maintaining the working state before power failure to continue working according to the recorded current working parameters.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112021948A (en) * | 2020-09-08 | 2020-12-04 | 广州惠嘉福实业有限公司 | Electric cooker application method |
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