Magnetic field control circuit, ion flame control method and device and plasma cooker

文档序号:874434 发布日期:2021-03-19 浏览:2次 中文

阅读说明:本技术 磁场控制电路、离子火焰控制方法、装置及等离子灶具 (Magnetic field control circuit, ion flame control method and device and plasma cooker ) 是由 张志华 金胜昔 曾森 谭钦 冯俊杰 张标 于 2020-12-08 设计创作,主要内容包括:本发明涉及烹饪灶具技术领域,公开了一种磁场控制电路、离子火焰控制方法、装置及等离子灶具,其中,该磁场控制电路包括:镜像电流源、电磁线圈和电阻调节模块。其中,镜像电流源包括第一可控开关和第二可控开关,第一可控开关的控制端与第二可控开关的控制端相连;第一可控开关的第一端与供电电源连接,第一可控开关的第二端通过限流电阻接地;电磁线圈的第一端与第二可控开关的第一端连接,电磁线圈的第二端接地;电阻调节模块能够输出不同的阻值,电阻调节模块的一端与第二可控开关的第二端连接,另一端接地。通过实施本发明,实现了对等离子灶具的磁场强度的灵活调节,从而实现了离子火焰大小的调节,进而实现了准确控制灶具的产热效率。(The invention relates to the technical field of cooking stoves, and discloses a magnetic field control circuit, an ion flame control method, an ion flame control device and a plasma stove, wherein the magnetic field control circuit comprises: the device comprises a mirror current source, an electromagnetic coil and a resistance adjusting module. The mirror current source comprises a first controllable switch and a second controllable switch, and the control end of the first controllable switch is connected with the control end of the second controllable switch; the first end of the first controllable switch is connected with a power supply, and the second end of the first controllable switch is grounded through a current-limiting resistor; the first end of the electromagnetic coil is connected with the first end of the second controllable switch, and the second end of the electromagnetic coil is grounded; the resistance adjusting module can output different resistance values, one end of the resistance adjusting module is connected with the second end of the second controllable switch, and the other end of the resistance adjusting module is grounded. By implementing the invention, the flexible adjustment of the magnetic field intensity of the plasma stove is realized, so that the adjustment of the size of the ion flame is realized, and the heat production efficiency of the stove is accurately controlled.)

1. A magnetic field control circuit, comprising:

the mirror current source comprises a first controllable switch and a second controllable switch, and the control end of the first controllable switch is connected with the control end of the second controllable switch; the first end of the first controllable switch is connected with a power supply; the second end of the first controllable switch is grounded through a current-limiting resistor;

a first end of the electromagnetic coil is connected with a first end of the second controllable switch; the second end of the electromagnetic coil is grounded;

and the resistance adjusting module can output different resistance values, one end of the resistance adjusting module is connected with the second end of the second controllable switch, and the other end of the resistance adjusting module is grounded.

2. The magnetic field control circuit of claim 1, wherein the resistance adjustment module comprises:

a plurality of parallel voltage dividing resistors, the resistance values of which are different;

and the output ports of the switching elements are correspondingly connected with the voltage dividing resistors one by one.

3. The magnetic field control circuit of claim 2, wherein the first terminal of the first controllable switch is connected to a power supply via a variable resistor.

4. The magnetic field control circuit of claim 3, further comprising:

a freewheel element in parallel with the electromagnetic coil.

5. The magnetic field control circuit according to any of claims 1 to 4, wherein the first controllable switch and/or the second controllable switch is a triode, the control terminal is a base, the first terminal is a collector, and the second terminal is an emitter.

6. The magnetic field control circuit of claim 4, wherein the variable resistance is a sliding varistor; and/or the free-wheeling element is a diode.

7. An ion flame control method of a plasma cooker is characterized by comprising the following steps:

acquiring the magnetic field intensity of an electromagnetic coil;

adjusting the resistance value connected into the magnetic field control circuit, and determining the target magnetic field intensity of the electromagnetic coil;

and controlling the ion flame of the plasma cooker based on the target magnetic field intensity.

8. The method of claim 7, wherein said adjusting a resistance value coupled into a magnetic field control circuit to determine a target magnetic field strength of the electromagnetic coil comprises:

adjusting a switching element of the resistance adjusting module, and determining a voltage dividing resistance connected with the switching element;

determining the current magnetic field intensity of the electromagnetic coil according to a voltage dividing resistor connected with the switch element;

judging whether the current magnetic field strength is consistent with a target magnetic field strength;

and when the current magnetic field strength is inconsistent with the target magnetic field strength, adjusting the variable resistor to obtain the target magnetic field strength corresponding to the electromagnetic coil.

9. An ion flame control device of a plasma cooking appliance, characterized by comprising:

the acquisition module is used for acquiring the magnetic field intensity of the electromagnetic coil;

the adjusting module is used for adjusting the resistance value connected into the magnetic field control circuit and determining the target magnetic field intensity of the electromagnetic coil;

and the control module is used for controlling the ion flame of the plasma cooker based on the target magnetic field intensity.

10. A plasma hob, characterized in that it comprises:

the magnetic field control circuit is connected with the controller;

the controller comprises a memory and a processor, wherein the memory and the processor are connected with each other in a communication way, the memory stores computer instructions, and the processor executes the computer instructions so as to execute the ion flame control method of the plasma cooker according to claim 8 or 9.

11. A computer-readable storage medium characterized in that the computer-readable storage medium stores computer instructions for causing the computer to execute the method of ion flame control of a plasma hob according to claim 8 or 9.

Technical Field

The invention relates to the technical field of cooking stoves, in particular to a magnetic field control circuit, an ion flame control method and device and a plasma stove.

Background

Cooking stoves on the market at present mainly comprise an induction cooker and a gas furnace, and the gas furnace occupies most of the market. However, the combustion materials required for gas furnaces are typically flammable and explosive materials such as natural gas, coal gas, and the like. And the heat production efficiency is low, the high temperature is difficult to generate, and greenhouse gases such as carbon dioxide and the like are easy to generate. In order to overcome the combustion problem of the gas furnace, the plasma cooker becomes a new heating cooker due to the characteristics of high heat production efficiency, energy conservation and the like, but the heating area of the plasma cooker is small, so that the plasma flame in the heat production process of the plasma cooker is difficult to adjust, and the heat production efficiency of the plasma cooker is difficult to control.

Disclosure of Invention

In view of this, embodiments of the present invention provide a magnetic field control circuit, an ion flame control method, an ion flame control device, and a plasma cooker, so as to solve the problem that plasma flame is difficult to adjust in the heat generation process of the plasma cooker.

According to a first aspect, an embodiment of the present invention provides a magnetic field control circuit, including: the mirror current source comprises a first controllable switch and a second controllable switch, and the control end of the first controllable switch is connected with the control end of the second controllable switch; the first end of the first controllable switch is connected with a power supply; the second end of the first controllable switch is grounded through a current-limiting resistor; a first end of the electromagnetic coil is connected with a first end of the second controllable switch; the second end of the electromagnetic coil is grounded; and the resistance adjusting module can output different resistance values, one end of the resistance adjusting module is connected with the second end of the second controllable switch, and the other end of the resistance adjusting module is grounded.

The magnetic field control circuit provided by the embodiment of the invention comprises a mirror current source, an electromagnetic coil and a resistance adjusting module. The mirror current source comprises a first controllable switch and a second controllable switch, and the control end of the first controllable switch is connected with the control end of the second controllable switch; the first end of the first controllable switch is connected with a power supply, and the second end of the first controllable switch is grounded through a current-limiting resistor; the first end of the electromagnetic coil is connected with the first end of the second controllable switch, and the second end of the electromagnetic coil is grounded; the resistance adjusting module can output different resistance values, one end of the resistance adjusting module is connected with the second end of the second controllable switch, and the other end of the resistance adjusting module is grounded. The mirror current source is used as a bias circuit of the magnetic field control circuit to provide bias current, and the resistance value connected into the magnetic field control circuit is adjusted through the resistance adjusting module to further control the current flowing through the electromagnetic coil. The current is different, and solenoid's magnetic field intensity is different, and ion flame size is different, has realized the regulation of ion flame size, and then has realized the accurate control to cooking utensils heat production efficiency.

With reference to the first aspect, in a first implementation manner of the first aspect, the resistance adjustment module includes: a plurality of parallel voltage dividing resistors, the resistance values of the plurality of parallel resistors being different; and the output ports of the switching elements are correspondingly connected with the voltage dividing resistors one by one.

In the magnetic field control circuit provided in the embodiment of the present invention, the resistance adjustment module includes a plurality of shunt resistors and a switch element connected in parallel, where resistance values of the plurality of shunt resistors are different, and output ports of the switch element are connected to each of the shunt resistors in a one-to-one correspondence manner. The resistance value connected to the magnetic field control circuit is controlled by the switch element, so that different output currents are generated, different magnetic field strengths in the electromagnetic coil are ensured, and the ion flame is adjusted.

With reference to the first embodiment of the first aspect, in a second embodiment of the first aspect, the first end of the first controllable switch is connected to a power supply through a variable resistor.

In the magnetic field control circuit provided by the embodiment of the invention, the first end of the first controllable switch is connected with the power supply through the variable resistor. The resistance value of the variable resistor is adjusted to control the access of the magnetic field control circuit, and the output current of the magnetic field control circuit is finely adjusted, so that the magnetic field intensity of the electromagnetic coil is finely adjusted, and the accurate control of the magnetic field intensity is realized.

With reference to the second implementation manner of the first aspect, in a third implementation manner of the first aspect, the magnetic field control circuit further includes: a freewheel element in parallel with the electromagnetic coil.

The magnetic field control circuit provided by the embodiment of the invention also comprises the follow current element which is connected with the electromagnetic coil in parallel, and when the magnetic field control circuit stops working, the energy stored in the electromagnetic coil is released through the follow current element, so that the electric shock phenomenon is avoided.

With reference to the first aspect or any one of the first to third embodiments of the first aspect, in a fourth embodiment of the first aspect, the first controllable switch and/or the second controllable switch is a triode, the control terminal is a base, the first terminal is a collector, and the second terminal is an emitter.

With reference to the third embodiment of the first aspect, in a fifth embodiment of the first aspect, the variable resistor is a sliding varistor; and/or the free-wheeling element is a diode.

According to a second aspect, an embodiment of the present invention provides an ion flame control method for a plasma cooking appliance, including the following steps: acquiring the magnetic field intensity of an electromagnetic coil; adjusting the resistance value connected into the magnetic field control circuit, and determining the target magnetic field intensity of the electromagnetic coil; and controlling the ion flame of the plasma cooker based on the target magnetic field intensity.

According to the ion flame control method of the plasma cooker, provided by the embodiment of the invention, the magnetic field intensity of the electromagnetic coil is obtained, and the resistance value of the magnetic field control circuit is adjusted, so that the control of the magnetic field intensity is realized, and further the control of the ion flame is realized. The method can accurately control the ion flame by flexibly adjusting the target magnetic field intensity of the electromagnetic coil, thereby realizing the accurate control of the heat production efficiency of the plasma cooker.

With reference to the second aspect, in a first implementation manner of the second aspect, the adjusting a resistance value connected to a magnetic field control circuit to determine a target magnetic field strength of the electromagnetic coil includes: adjusting a switching element of the resistance adjusting module, and determining a voltage dividing resistance connected with the switching element; determining the current magnetic field intensity of the electromagnetic coil according to a voltage dividing resistor connected with the switch element; judging whether the current magnetic field strength is consistent with a target magnetic field strength; and when the current magnetic field strength is inconsistent with the target magnetic field strength, adjusting the variable resistor to obtain the target magnetic field strength corresponding to the electromagnetic coil.

According to the ion flame control method of the plasma cooker, provided by the embodiment of the invention, the current magnetic field strength of the plasma cooker is adjusted through the resistance adjusting module, and if the current magnetic field strength is inconsistent with the target magnetic field strength, the variable resistance is adjusted again to obtain the target magnetic field strength corresponding to the electromagnetic coil, so that the plasma cooker can accurately control the ion flame.

According to a third aspect, an embodiment of the present invention provides an ion flame control device for a plasma cooking appliance, including: the acquisition module is used for acquiring the magnetic field intensity of the electromagnetic coil; the adjusting module is used for adjusting the resistance value connected into the magnetic field control circuit and determining the target magnetic field intensity of the electromagnetic coil; and the control module is used for controlling the ion flame of the plasma cooker based on the target magnetic field intensity.

According to the ion flame control device of the plasma cooker, the magnetic field intensity of the electromagnetic coil is obtained, and the resistance adjusting module is controlled to adjust the magnetic field intensity of the electromagnetic coil, so that the control of ion flame is realized. The device is used for accurately controlling the ion flame by flexibly adjusting the target magnetic field intensity of the electromagnetic coil, so that the accurate control of the heat production efficiency of the plasma cooker is realized.

According to a fourth aspect, embodiments of the present invention provide a plasma hob including: the magnetic field control circuit is connected with the controller; the controller comprises a memory and a processor, the memory and the processor are connected with each other in a communication manner, the memory stores computer instructions, and the processor executes the computer instructions so as to execute the second aspect or the ion flame control method of the plasma cooker in the first embodiment of the second aspect.

According to a fifth aspect, embodiments of the present invention provide a computer-readable storage medium storing computer instructions for causing a computer to execute the method for controlling an ion flame of a plasma hob according to the second aspect or the first embodiment of the second aspect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 shows a block diagram of a plasma hob in an embodiment of the present invention;

FIG. 2 is a schematic diagram of a magnetic field control circuit according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a magnetic field control circuit according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a magnetic field control circuit according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a magnetic field control circuit according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a magnetic field control circuit according to an embodiment of the present invention;

FIG. 7 is a flow chart of a method of ion flame control of a plasma hob according to an embodiment of the present invention;

FIG. 8 is a flow chart of a method of ion flame control of a plasma hob according to an embodiment of the present invention;

FIG. 9 is a block diagram of an ion flame control device of a plasma hob according to an embodiment of the present invention;

fig. 10 is a schematic diagram of a hardware structure of a plasma cooker provided in 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 clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The plasma cooker is a new heating cooker due to the characteristics of high heat production efficiency, energy conservation and the like, but the plasma cooker has a small heating area, so that the plasma flame in the heat production process of the plasma cooker is difficult to adjust, and the heat production efficiency of the plasma cooker is difficult to control.

Based on the technical scheme, the magnetic field control circuit is arranged in the plasma cooker, the magnetic field intensity of the plasma cooker is adjusted through the magnetic field control circuit, the control of the size of the ion flame of the plasma cooker is realized, and the accurate control of the ion flame of the plasma cooker is further ensured.

According to the embodiment of the invention, the embodiment of the magnetic field control circuit is applied to the plasma cooker shown in FIG. 1. The plasma cooker includes: a plasma furnace head 11, a plasma chamber 12, a solenoid coil 13, circuit wiring 14, and a furnace chamber 15. When the plasma cooker works, a plasma generating device can be arranged in the plasma cavity 12 to generate a large amount of low-temperature plasma in the plasma cavity 12 of the plasma cooker, at the moment, the solenoid coil 13 surrounding the plasma burner starts to work, a uniform and strong magnetic field is generated in the plasma cavity 12, the low-temperature plasma stored in the plasma cavity 12 moves towards the furnace chamber 15 under the action of the magnetic field and is contacted with air in the furnace chamber 15, the plasma emits light and releases heat to generate ion flame, and the external cooking pot is heated through the plasma burner 11.

The magnetic field control circuit provided by the embodiment of the invention is connected with the plasma cooker through the circuit wiring 14 so as to realize the control of the ion flame of the plasma cooker. As shown in fig. 2, the magnetic field control circuit includes: a mirror current source 21, a solenoid coil 22, and a resistance adjustment module 23. The mirror current source 21 includes a first controllable switch 211 and a second controllable switch 212, and a control terminal 1 of the first controllable switch 211 is connected to a control terminal 2 of the second controllable switch 212; the first end 3 of the first controllable switch 211 is connected to the power supply VDD; the second terminal 5 of the first controllable switch 211 is connected to ground via a current limiting resistor R1. The first end 7 of the electromagnetic coil 22 is connected to the first end 4 of the second controllable switch 212 and the second end 8 of the electromagnetic coil 22 is grounded. The resistance adjusting module 23 can output different resistance values, one end of the resistance adjusting module 23 is connected to the second end 6 of the second controllable switch 212, and the other end is grounded.

The magnetic field control circuit is connected to the plasma cooker, and the electromagnetic coil 22 in the magnetic field control circuit is equivalent to the solenoid coil 13 in the plasma cooker. The plasma cooker is connected with the magnetic field control circuit through a circuit connection 14 to control the magnetic field intensity generated by the solenoid coil 13, and further the ion flame of the plasma cooker is realized by controlling the magnetic field intensity.

According to the magnetic field control circuit provided by the embodiment of the invention, the mirror current source is used as the bias circuit of the magnetic field control circuit to provide the bias current, and the resistance value connected into the magnetic field control circuit is adjusted through the resistance adjusting module so as to control the current flowing through the electromagnetic coil. The current is different, and solenoid's magnetic field intensity is different, and ion flame size is different, has realized the regulation of ion flame size, and then has realized the accurate control to cooking utensils heat production efficiency.

Alternatively, as shown in fig. 3, the resistance adjusting module 23 includes: a plurality of voltage dividing resistors 231 and switching elements 232 connected in parallel. The resistance values of the voltage dividing resistors 231 connected in parallel are different; the output port of the switching element 232 is connected to each of the voltage dividing resistors 231 in a one-to-one correspondence.

The switching element 232 may be provided with a plurality of output interfaces corresponding to the voltage dividing resistors 231, and each voltage dividing resistor 231 may be correspondingly connected to the switching element 232 through an output interface so that the switching element 232 can control a resistance value connected to the magnetic field control circuit. The switching element 232 may be a switch, and the resistance value of the magnetic field control circuit is switched in through the switch. Taking 3 divider resistors as an example, the resistance values of the divider resistors are respectively 500 ohms, 1000 ohms and 1500 ohms, the switch element is provided with 3 output ports, and the 3 output ports are respectively connected with the 3 divider resistors.

According to the magnetic field control circuit provided by the embodiment of the invention, the resistance value connected into the magnetic field control circuit is controlled through the switch element, so that different output currents are generated, different magnetic field strengths in the electromagnetic coil are ensured, and the regulation of ion flame is further realized.

Alternatively, as shown in fig. 4, the first terminal 3 of the first controllable switch 211 is connected to the power supply VDD through a variable resistor R2. The resistance value of the variable resistor is adjusted to control the access of the magnetic field control circuit, and the output current of the magnetic field control circuit is finely adjusted, so that the magnetic field intensity of the electromagnetic coil is finely adjusted, and the accurate control of the magnetic field intensity is realized.

Optionally, as shown in fig. 5, the magnetic field control circuit further includes: a freewheel element 24, the freewheel element 24 being connected in parallel with the electromagnetic coil 22. When the magnetic field control circuit stops working, the energy stored in the magnetic coil 22 is discharged through the follow current element 24, and the electric shock phenomenon is avoided.

Alternatively, as shown in fig. 6, the first controllable switch 211 may be a transistor Q1, and when the first controllable switch 211 is a transistor Q1, the control terminal 1 of the first controllable switch 211 is a base, the first terminal 3 of the first controllable switch is a collector, and the second terminal 5 of the first controllable switch 211 is an emitter.

The second controllable switch 212 may be a transistor Q2, and when the second controllable switch 212 is a transistor Q2, the control terminal 2 of the second controllable switch 212 is a base, the first terminal 4 of the second controllable switch 212 is a collector, and the second terminal 6 of the second controllable switch 212 is an emitter.

Alternatively, as shown in fig. 6, the variable resistor R2 may be a sliding varistor; the freewheeling element 24 may be a diode D. Specifically, the resistance value of the sliding varistor may be 500 ohms.

According to an embodiment of the present invention, there is provided an embodiment of a method of ion flame control for a plasma hob, it is noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system, such as a set of computer executable instructions, and that although a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than here.

In this embodiment, an ion flame control method for a plasma cooking appliance is provided, which can be used for the above plasma cooking appliance, fig. 7 is a flowchart of the ion flame control method for the plasma cooking appliance according to the embodiment of the present invention, and as shown in fig. 7, the flowchart includes the following steps:

and S31, acquiring the magnetic field intensity of the electromagnetic coil.

The magnetic field intensity is the magnetic field intensity generated by an electromagnetic coil of the plasma cooker. The electromagnetic coil may be a solenoid coil, or may be another inductive coil capable of generating a magnetic field, which is not specifically limited in this application. The magnetic field inductor can be connected to solenoid department, when solenoid is in operating condition, can acquire magnetic field intensity through the magnetic field inductor, also can acquire magnetic field intensity through the magnetic inductor, can also acquire magnetic field intensity through other magnetic field detection device, and this application does not do not specifically limit to this.

And S32, adjusting the resistance value connected into the magnetic field control circuit, and determining the target magnetic field intensity of the electromagnetic coil.

The magnetic field intensity of the electromagnetic coil is influenced by the current, the current is different in magnitude, and the magnetic field intensity generated by the electromagnetic coil is different. If the resistance connected to the magnetic field control circuit is 1500 ohms, the output current of the magnetic field control circuit is the minimum at the moment, and the magnetic field intensity generated in the solenoid coil is the weakest; if the resistance connected to the magnetic field control circuit is 1000 ohms, the magnetic field intensity generated in the solenoid coil is increased to twice of the original intensity; if the resistance connected to the magnetic field control circuit is 500 ohms, the magnetic field intensity generated in the solenoid coil is strongest at this time.

And S33, controlling the ion flame of the plasma cooker based on the target magnetic field intensity.

The target magnetic field intensity represents the number of plasma entering the furnace cavity of the plasma cooker in unit time and is used for representing the intensity of ion flame required to be generated by the plasma cooker. The ion flame generated by the plasma cooker can be determined by the number of the plasma entering the furnace cavity of the plasma cooker in unit time. When the switching element is turned off, the ion flame is turned off without any resistance of the switching element.

According to the ion flame control method of the plasma cooker, provided by the embodiment of the invention, the magnetic field intensity of the electromagnetic coil is obtained, and the resistance adjusting module is controlled to adjust the magnetic field intensity of the electromagnetic coil, so that the control of the ion flame is realized. The method can accurately control the ion flame by flexibly adjusting the target magnetic field intensity of the electromagnetic coil, thereby realizing the accurate control of the heat production efficiency of the plasma cooker.

In this embodiment, an ion flame control method for a plasma cooking appliance is provided, which can be used for the above plasma cooking appliance, fig. 8 is a flowchart of the ion flame control method for the plasma cooking appliance according to the embodiment of the present invention, and as shown in fig. 8, the flowchart includes the following steps:

and S41, acquiring the magnetic field intensity of the electromagnetic coil. For details, refer to the related description of step S31 corresponding to the above embodiment, and are not repeated herein.

And S42, adjusting the resistance value connected into the magnetic field control circuit, and determining the target magnetic field intensity of the electromagnetic coil.

Specifically, the step S42 may include the following steps:

and S421, adjusting the switch element of the resistance adjusting module and determining the voltage dividing resistance connected with the switch element.

The switch element is connected with a plurality of divider resistors with different resistance values, and the divider resistors connected into the magnetic field control circuit can be determined by adjusting the switch element. Specifically, if the resistance values of the voltage dividing resistors are 500 ohms, 1000 ohms and 1500 ohms respectively, when the switching element is connected with the 1500 ohm voltage dividing resistor, the resistance equivalent to the access magnetic field control circuit is 1500 ohms; when the switching element is connected with a voltage dividing resistor of 1000 ohms, the resistor which is equivalent to be connected into the magnetic field control circuit is 1000 ohms; when the switching element is connected to a voltage dividing resistor of 500 ohms, the resistance equivalent to the access to the magnetic field control circuit is 500 ohms.

And S422, determining the current magnetic field intensity of the electromagnetic coil according to the voltage-dividing resistor connected with the switch element.

The switching elements are connected to different voltage dividing resistors corresponding to different magnetic field strengths. When the switch element is connected with the divider resistor with the maximum resistance value, the current led into the electromagnetic coil is minimum, and the current magnetic field intensity corresponding to the electromagnetic coil is minimum; when the switch element is connected with the divider resistor with the minimum resistance value, the current led into the electromagnetic coil is maximum, and the current magnetic field intensity corresponding to the electromagnetic coil is maximum.

And S423, judging whether the current magnetic field strength is consistent with the target magnetic field strength.

And comparing the current magnetic field strength with the target magnetic field strength, and determining the magnitude relation between the current magnetic field strength and the target magnetic field strength. If the current magnetic field strength is not consistent with the target magnetic field strength, step S424 is executed, otherwise, no resistance adjustment is performed.

And S424, adjusting the variable resistor to obtain the target magnetic field intensity corresponding to the electromagnetic coil.

If the current magnetic field strength is inconsistent with the target magnetic field strength, the resistance value in the current access magnetic field control circuit is not proper, and the resistance value in the access magnetic field control circuit is required to be finely adjusted to be corresponding to the target magnetic field.

And S43, controlling the ion flame of the plasma cooker based on the target magnetic field intensity. For a detailed description, refer to the related description of step S33 corresponding to the above embodiment, and the detailed description is omitted here.

According to the ion flame control method of the plasma cooker, provided by the embodiment of the invention, the current magnetic field strength of the plasma cooker is adjusted through the resistance adjusting module, and if the current magnetic field strength is inconsistent with the target magnetic field strength, the variable resistance is adjusted again to obtain the target magnetic field strength corresponding to the electromagnetic coil, so that the plasma cooker can accurately control the ion flame.

The present embodiment further provides an ion flame control device for a plasma cooking appliance, which is used to implement the foregoing embodiments and preferred embodiments, and the description of the device is omitted. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.

The present embodiment provides an ion flame control device of a plasma cooking appliance, as shown in fig. 9, including:

and the acquiring module 51 is used for acquiring the magnetic field intensity of the electromagnetic coil. For a detailed description, refer to the corresponding related description of the above embodiments, which is not repeated herein.

And the adjusting module 52 is used for adjusting the resistance value connected into the magnetic field control circuit and determining the target magnetic field intensity of the electromagnetic coil. For a detailed description, refer to the corresponding related description of the above embodiments, which is not repeated herein.

And the control module 53 is used for controlling the ion flame of the plasma cooker based on the target magnetic field intensity. For a detailed description, refer to the corresponding related description of the above embodiments, which is not repeated herein.

According to the ion flame control device of the plasma cooker, the magnetic field intensity of the electromagnetic coil is obtained, and the resistance adjusting module is controlled to adjust the magnetic field intensity of the electromagnetic coil, so that the control of ion flame is realized. The device is used for accurately controlling the ion flame by flexibly adjusting the target magnetic field intensity of the electromagnetic coil, so that the accurate control of the heat production efficiency of the plasma cooker is realized.

The ion flame control device of the plasma cooker in the embodiment is presented in the form of a functional unit, where the unit refers to an ASIC circuit, a processor and a memory executing one or more software or fixed programs, and/or other devices that can provide the above functions.

Further functional descriptions of the modules are the same as those of the corresponding embodiments, and are not repeated herein.

The embodiment of the invention also provides a mobile terminal which is provided with the ion flame control device of the plasma cooker shown in the figure 9.

Referring to fig. 10, fig. 10 is a schematic structural diagram of a plasma cooking appliance according to an alternative embodiment of the present invention, as shown in fig. 10, the plasma cooking appliance may include: magnetic field control circuit 61 and controller 62, magnetic field control circuit 61 is connected with controller 62. The controller 62 includes: at least one processor 621, such as a CPU (Central Processing Unit), at least one communication interface 623, memory 624, and at least one communication bus 622. Wherein a communication bus 622 is used to enable connectivity communication between these components. The communication interface 623 may include a Display screen (Display) and a Keyboard (Keyboard), and the optional communication interface 623 may also include a standard wired interface and a standard wireless interface. The Memory 624 may be a high-speed RAM (volatile Random Access Memory) or a non-volatile Memory, such as at least one disk Memory. The memory 624 may optionally be at least one memory device located remotely from the processor 621. Wherein the processor 621 may be in connection with the apparatus described in fig. 9, an application program is stored in the memory 624, and the processor 621 calls the program code stored in the memory 624 for performing any of the above-mentioned method steps.

The communication bus 622 may be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus. The communication bus 622 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in FIG. 10, but this is not intended to represent only one bus or type of bus.

The memory 624 may include a volatile memory (RAM), such as a random-access memory (RAM); the memory may also include a non-volatile memory (english: non-volatile memory), such as a flash memory (english: flash memory), a hard disk (english: hard disk drive, abbreviated: HDD) or a solid-state drive (english: SSD); the memory 624 may also comprise a combination of memories of the sort described above.

The processor 621 may be a Central Processing Unit (CPU), a Network Processor (NP), or a combination of the CPU and the NP.

The processor 621 may further include a hardware chip. The hardware chip may be an application-specific integrated circuit (ASIC), a Programmable Logic Device (PLD), or a combination thereof. The PLD may be a Complex Programmable Logic Device (CPLD), a field-programmable gate array (FPGA), a General Array Logic (GAL), or any combination thereof.

Optionally, the memory 624 is also used to store program instructions. The processor 621 may call a program instruction to implement the ion flame control method of the plasma cooker as shown in the embodiments of fig. 7 and 8 of the present application.

The embodiment of the invention also provides a non-transitory computer storage medium, wherein the computer storage medium stores computer executable instructions which can execute the processing method of the ion flame control method of the plasma cooker in any method embodiment. The storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a Flash Memory (Flash Memory), a Hard Disk (Hard Disk Drive, abbreviated as HDD), a Solid State Drive (SSD), or the like; the storage medium may also comprise a combination of memories of the kind described above.

Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.

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