阅读说明：本技术 一种电离燃烧电路和电焰灶 (Ionization combustion circuit and electric flame stove ) 是由 卢驭龙 于 2019-10-12 设计创作，主要内容包括：本发明属于电子技术领域,提供了一种电离燃烧电路和电焰灶。电离燃烧电路包括电源模块、电压转换模块、倍压整流模块、点火模块以及燃烧模块；电源模块用于提供输入电压；电压转换模块与所述电源模块连接,用于将所述输入电压转换为驱动电压；倍压整流模块与所述电压转换模块连接,用于根据所述驱动电压生成整流电压；点火模块与所述倍压整流模块连接,用于根据所述整流电压进行引弧；燃烧模块与所述电压转换模块连接,用于根据所述驱动电压对地放电。降低了电路的工作功率,节约了能源,而且降低了器件的耐高压的要求,降低了成本。(The invention belongs to the technical field of electronics, and provides an ionization combustion circuit and an electric flame stove. The ionization combustion circuit comprises a power supply module, a voltage conversion module, a voltage-multiplying rectification module, an ignition module and a combustion module; the power supply module is used for providing input voltage; the voltage conversion module is connected with the power supply module and used for converting the input voltage into a driving voltage; the voltage-multiplying rectification module is connected with the voltage conversion module and used for generating a rectification voltage according to the driving voltage; the ignition module is connected with the voltage-multiplying rectification module and used for arc striking according to the rectified voltage; the combustion module is connected with the voltage conversion module and used for discharging to the ground according to the driving voltage. The working power of the circuit is reduced, the energy is saved, the requirement of high voltage resistance of the device is lowered, and the cost is lowered.)

1. An ionization combustion circuit, comprising:

a power supply module for providing an input voltage;

the voltage conversion module is connected with the power supply module and is used for converting the input voltage into driving voltage;

the voltage-multiplying rectifying module is connected with the voltage conversion module and used for generating rectified voltage according to the driving voltage;

the ignition module is connected with the voltage-multiplying rectification module and used for striking an arc according to the rectified voltage;

and the combustion module is connected with the voltage conversion module and used for discharging to the ground according to the driving voltage.

2. The ionizing combustion circuit of claim 1, wherein said voltage conversion module comprises: a transformer;

the primary winding of the transformer is an input voltage input end of the voltage conversion module, the first end of the secondary winding of the transformer is a driving voltage output end of the voltage conversion module, and the second end of the secondary winding of the transformer is grounded.

3. The ionizing combustion circuit of claim 1 wherein said rectified voltage is N times said drive voltage, where N is a positive integer greater than 3.

4. The ionizing combustion circuit of claim 1 wherein said voltage doubler rectifier module comprises: the circuit comprises a first capacitor, a second capacitor, a third capacitor, a first diode, a second diode and a third diode;

the first end of the first capacitor is a driving voltage input end of the voltage-multiplying rectification module, the second end of the first capacitor is connected with the first end of the third capacitor, the first end of the third capacitor is connected with the second end of the first capacitor, the second end of the third capacitor is a rectification voltage output end of the voltage-multiplying rectification module, the negative electrode of the first diode is connected with the first end of the first capacitor, the positive electrode of the first diode is grounded, the positive electrode of the first diode is connected with the first end of the second capacitor, the negative electrode of the second diode and the positive electrode of the third diode are both connected with the second end of the second capacitor, the positive electrode of the second diode is connected with the first end of the third capacitor, and the negative electrode of the third diode is connected with the second end of the third capacitor.

5. The ionizing combustion circuit of claim 1, further comprising:

the controllable switch is connected between the voltage conversion module and the voltage-multiplying rectification module and used for switching on or switching off the driving voltage according to a control signal;

and the control module is connected with the controllable switch and used for generating the control signal according to the input of a user.

6. The ionization combustion circuit of claim 1, wherein the ignition module comprises: the high-voltage ion needle and the first grounding needle which corresponds to the high-voltage ion needle are arranged, and the high-voltage ion needle is used for discharging the first grounding needle according to the rectified voltage.

7. The ionization combustion circuit of claim 1, wherein the combustion module comprises a plurality of low voltage ion pins, a plurality of second ground pins, and a plurality of output capacitors; a plurality of low pressure ion needle and a plurality of second earthing needle one-to-one set up, low pressure ion needle be used for respectively with the second earthing needle that low pressure ion needle corresponds discharges, and is a plurality of output capacitance homogeneous one-to-one ground series connection in a plurality of low pressure ion needle with between the voltage conversion module.

8. An electric flame cooker comprising a cooktop and the ionizing combustion circuit of any one of claims 1 to 7 provided thereto.

9. The electric flame cooker of claim 8, wherein the cooktop includes a base and a cylindrical sidewall extending upwardly from the base.

10. The electric flame cooker of claim 9, wherein the ignition module comprises: the high-voltage ion probe is used for discharging the first grounding probe according to the rectified voltage; the high-voltage ion needle is arranged on the cylindrical side wall of the cooking bench, and the first grounding needle is arranged on the base.

11. The electric flame cooker according to claim 9, wherein the combustion module comprises a plurality of low voltage ion pins and a plurality of second ground pins provided one by one with the plurality of low voltage ion pins, the low voltage ion pins being respectively used for discharging the second ground pins corresponding to the low voltage ion pins; wherein the low voltage ion pins and the second grounding pin array are arranged on the base.

Technical Field

The invention belongs to the technical field of electronics, and particularly relates to an ionization combustion circuit and an electric flame stove.

Background

The plasma torch is used as a heating source of a novel cooker because of its advantages of high temperature, energy saving, etc., however, in order to make air breakdown, it is necessary to generate a large high voltage at the plasma needle for discharging, and in order to keep the heat source burning continuously, it is also necessary to continuously output a high voltage to the plasma needle. When the plasma torch array is used as a heat source of a stove, in order to achieve a better heating effect, a denser plasma torch array needs to be arranged, the working power of the stove is invisibly and greatly increased, an ideal energy-saving effect cannot be achieved, the requirement on high pressure resistance of devices in the stove is high, and the manufacturing cost is increased.

Therefore, the traditional technical scheme can not achieve the ideal energy-saving effect, has higher requirements on high pressure resistance of devices in the cooker, and improves the manufacturing cost.

Disclosure of Invention

The invention aims to provide an ionization combustion circuit and an electric flame stove, and aims to solve the problems that an ideal energy-saving effect cannot be achieved in the traditional technical scheme, the requirement on high pressure resistance of devices in the stove is high, and the manufacturing cost is increased.

An ionization combustion circuit, comprising:

a power supply module for providing an input voltage;

the voltage conversion module is connected with the power supply module and is used for converting the input voltage into driving voltage;

the voltage-multiplying rectifying module is connected with the voltage conversion module and used for generating rectified voltage according to the driving voltage;

the ignition module is connected with the voltage-multiplying rectification module and used for striking an arc according to the rectified voltage;

and the combustion module is connected with the voltage conversion module and used for discharging to the ground according to the driving voltage.

In one embodiment, the voltage conversion module includes: a transformer;

the primary winding of the transformer is an input voltage input end of the voltage conversion module, the first end of the secondary winding of the transformer is a driving voltage output end of the voltage conversion module, and the second end of the secondary winding of the transformer is grounded.

In one embodiment, the rectified voltage is N times the driving voltage, where N is a positive integer greater than 3.

In one embodiment, the voltage-doubling rectifying module comprises: the circuit comprises a first capacitor, a second capacitor, a third capacitor, a first diode, a second diode and a third diode;

the first end of the first capacitor is a driving voltage input end of the voltage-multiplying rectification module, the second end of the first capacitor is connected with the first end of the third capacitor, the first end of the third capacitor is connected with the second end of the first capacitor, the second end of the third capacitor is a rectification voltage output end of the voltage-multiplying rectification module, the negative electrode of the first diode is connected with the first end of the first capacitor, the positive electrode of the first diode is grounded, the positive electrode of the first diode is connected with the first end of the second capacitor, the negative electrode of the second diode and the positive electrode of the third diode are both connected with the second end of the second capacitor, the positive electrode of the second diode is connected with the first end of the third capacitor, and the negative electrode of the third diode is connected with the second end of the third capacitor.

In one embodiment, the method further comprises the following steps:

the controllable switch is connected between the voltage conversion module and the voltage-multiplying rectification module and used for switching on or switching off the driving voltage according to a control signal;

and the control module is connected with the controllable switch and used for generating the control signal according to the input of a user.

In one embodiment, the ignition module comprises: the high-voltage ion needle and the first grounding needle which corresponds to the high-voltage ion needle are arranged, and the high-voltage ion needle is used for discharging the first grounding needle according to the rectified voltage.

In one embodiment, the combustion module comprises a plurality of low voltage ion pins, a plurality of second ground pins, and a plurality of output capacitors; a plurality of low pressure ion needle and a plurality of second earthing needle one-to-one set up, low pressure ion needle be used for respectively with the second earthing needle that low pressure ion needle corresponds discharges, and is a plurality of output capacitance homogeneous one-to-one ground series connection in a plurality of low pressure ion needle with between the voltage conversion module.

In addition, the electric flame stove is characterized by comprising a cooking bench and the ionization combustion circuit arranged on the cooking bench.

In one embodiment, the cooktop includes a base and a cylindrical sidewall extending upwardly from the base.

In one embodiment, the ignition module comprises: the high-voltage ion probe is used for discharging the first grounding probe according to the rectified voltage; the high-voltage ion needle is arranged on the cylindrical side wall of the cooking bench, and the first grounding needle is arranged on the base.

In one embodiment, the combustion module comprises a plurality of low-voltage ion needles and a plurality of second grounding needles arranged in one-to-one correspondence with the low-voltage ion needles, wherein the low-voltage ion needles are respectively used for discharging the second grounding needles corresponding to the low-voltage ion needles; wherein the low voltage ion pins and the second grounding pin array are arranged on the base.

The ionization combustion circuit comprises the voltage-multiplying rectification module, the ignition module and the combustion module, the voltage-multiplying rectification module improves the driving voltage by N times to generate rectification voltage, the ignition module is used for arc ignition according to the rectification voltage, when the ignition module breaks down air, the combustion module discharges electricity to the ground under the driving of the driving voltage to keep continuous combustion of a heat source, and therefore only the ignition module is required to conduct high-voltage arc ignition, the combustion module keeps combustion under the driving of lower driving voltage, the working power of the circuit is reduced, energy is saved, the requirement of high-voltage resistance of devices is lowered, and cost is lowered.

Drawings

FIG. 1 is a schematic block diagram of an ionization combustion circuit according to an embodiment of the present invention;

FIG. 2 is an exemplary circuit schematic of the isolation protection circuit shown in FIG. 1;

fig. 3 is a schematic structural diagram of another module of the isolation protection circuit according to the embodiment of the present invention;

fig. 4 is a schematic perspective view of an electric flame cooker according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of the present application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

In order to explain the technical solution of the present application, the following description will be given by way of specific examples.

Fig. 1 is a schematic block diagram of an ionization combustion circuit according to an embodiment of the present invention, and as shown in fig. 1, the ionization combustion circuit according to the present invention includes a power module 10, a voltage conversion module 20, a voltage-doubling rectification module 30, an ignition module 40, and a combustion module 50; the power module 10 is used for providing an input voltage; the voltage conversion module 20 is connected to the power module 10 and is configured to convert an input voltage into a driving voltage; the voltage-doubling rectifying module 30 is connected with the voltage conversion module 20 and is used for generating a rectified voltage according to the driving voltage; the ignition module 40 is connected with the voltage-doubling rectifying module 30 and is used for arc striking according to the rectified voltage; the combustion module 50 is connected to the voltage conversion module 20 for discharging to ground according to the driving voltage.

The ionization combustion circuit comprises the voltage-multiplying rectifying module 30, the ignition module 40 and the combustion module 50, the driving voltage is increased by N times through the voltage-multiplying rectifying module 30 to generate the rectifying voltage, the ignition module 40 is used for arc ignition according to the rectifying voltage, when the ignition module 40 breaks down air, the combustion module 50 discharges electricity to the ground under the driving of the driving voltage to keep continuous combustion of a heat source, and therefore only the ignition module 40 needs to conduct high-voltage arc ignition, the combustion module 50 keeps combustion under the driving of lower driving voltage, the working power of the circuit is reduced, energy is saved, the requirement of high voltage resistance of devices is lowered, and the cost is lowered.

In one embodiment, the voltage conversion module 20 includes a transformer T1; the primary winding of the transformer T1 is an input voltage input terminal of the voltage conversion module 20, the first terminal of the secondary winding of the transformer T1 is a driving voltage output terminal of the voltage conversion module 20, and the second terminal of the secondary winding of the transformer T1 is grounded.

In one embodiment, the rectified voltage is N times the driving voltage, where N is a positive integer greater than 3. In practical application, in order to be able to break down air, a sufficiently large discharge voltage is needed, and in order to simplify the circuit structure, the invention performs rectification processing on the basis of the driving voltage, and amplifies the driving voltage by N times to meet the voltage required by arc ignition.

In one embodiment, the voltage doubler rectifier module 30 includes: a first capacitor C1, a second capacitor C2, a third capacitor C3, a first diode D1, a second diode D2 and a third diode D3; a first end of the first capacitor C1 is a driving voltage input end of the voltage-doubling rectifying module 30, a second end of the first capacitor C1 is connected to a first end of the third capacitor C3, a first end of the third capacitor C3 is connected to a second end of the first capacitor C1, a second end of the third capacitor C3 is a rectified voltage output end of the voltage-doubling rectifying module 30, a cathode of the first diode D1 is connected to the first end of the first capacitor C1, an anode of the first diode D1 is grounded, an anode of the first diode D1 is connected to the first end of the second capacitor C2, a cathode of the second diode D2 and an anode of the third diode D3 are both connected to the second end of the second capacitor C2, an anode of the second diode D2 is connected to the first end of the third capacitor C3, and a cathode of the third diode D3 is connected to the second end of the third capacitor C3. During the first half cycle of the driving voltage, the first diode D1 is turned on, the second diode D2 is turned off, and current flows through the first diode D1 to charge the first capacitor C1, which charges the voltage across the first capacitor C1 to near the peak of the driving voltage and remains substantially constant. In the second half cycle of the driving voltage, the second diode D2 is turned on, and the first diode D1 is turned off. At this time, the voltage on the first capacitor C1 is added in series with the driving voltage, and the current charges the second capacitor C2 through the second diode D2, and the charging voltage is the sum of the peak value of the driving voltage and the voltage on the first capacitor C1. Thus, the voltage on the second capacitor C2 is substantially the sum of the peak value of the driving voltage and the voltage on the first capacitor C1, i.e. twice the driving voltage. When the third half cycle is performed, the first diode D1 and the third diode D3 are turned on, the second diode D2 is turned off, the current charges the first capacitor C1 through the first diode D1 and charges the third capacitor C3 through the third diode D3, the charging voltage on the third capacitor C3 is the sum of the peak value of the driving voltage and the voltage on the second capacitor C2, and thus, the second end of the third capacitor C3 can output the rectified voltage to realize triple voltage rectification.

In one embodiment, the ionization combustion circuit further comprises a controllable switch 60 and a control module 70; the controllable switch 60 is connected between the voltage conversion module 20 and the voltage-doubling rectifying module 30, and is used for switching on or off the driving voltage according to the control signal; the control module 70 is connected to the controllable switch 60 for generating a control signal in response to a user input. In the present embodiment, since the power supplies of the ignition module 40 and the combustion module 50 are both derived from the driving voltage, in practical applications, the ignition module 40 can stop discharging and striking the arc after completing the ignition operation, in order to reduce the high voltage risk and save energy, the ionization combustion circuit is provided with the controllable switch 60 and the control module 70, when the control module 70 receives the input (e.g., the ignition operation) from the user, the control module 70 generates a high-level control signal for a preset time to control the controllable switch 60 to be turned on, at this time, the voltage-doubling rectifier module 30 generates the rectified voltage according to the driving voltage, the ignition module 40 performs arc striking according to the rectified voltage to start the ignition operation, after the preset time, the control module 70 generates a low-level control signal to control the controllable switch 60 to be turned off, the ignition module 40 has no voltage input, the ignition module 40 stops discharging, the ignition module 40 and the voltage-doubling rectifier module are powered only when the ignition and striking the arc is needed, this reduces the high voltage risk and saves energy, and also increases the life of the circuit.

In one embodiment, the ignition module 40 includes: a high voltage ion needle P1 and a first grounding needle G1 corresponding to the high voltage ion needle P1, the high voltage ion needle P1 is used for discharging the first grounding needle G1 according to the rectified voltage. In practical application, in order to achieve a better heating effect, the multiple ion needles are arranged in the embodiment of the invention, discharge combustion is maintained, the ignition module 40 only needs one high-voltage ion needle P1 and the first grounding needle G1, and when the ignition module 40 performs arc ignition, the high-voltage ion needle P1 discharges the first grounding needle G1 under the driving of rectified voltage, so that air is rapidly broken down, and the plasma concentration in the air is rapidly increased, so that other ion needles are ignited.

In one embodiment, a combustion module 50 comprises the combustion module 50 including a plurality of low voltage ion pins P2, a plurality of second ground pins G2, and a plurality of output capacitors; the plurality of low-voltage ion pins P2 and the plurality of second ground pins G2 are arranged in a one-to-one correspondence manner, the low-voltage ion pins P2 are respectively used for discharging the second ground pins G2 corresponding to the low-voltage ion pins P2, and the plurality of output capacitors are uniformly and correspondingly connected in series between the plurality of low-voltage ion pins P2 and the voltage conversion module 20 in a one-to-one correspondence manner.

Fig. 3 is further explained below in connection with the working principle.

The power module 10 is configured to output a pulse voltage, and generate a driving voltage through conversion of a transformer T1, when receiving an input (e.g., an ignition operation) from a user, the control module 70 outputs a high-level control signal for a preset time, controls the controllable switch 60 to turn on the driving voltage, outputs the driving voltage to the voltage-doubling rectifying module 30, generates a rectified voltage N times the driving voltage through rectification processing of a first capacitor C1, a second capacitor C2, a third capacitor C3, a first diode D1, a second diode D2, and a third diode D3 in the voltage-doubling rectifying module 30, discharges and arcs the first grounding pin G1 through a high-voltage ion pin P1 in the ignition module 40, breaks down air, rapidly increases a plasma concentration in the air, and simultaneously discharges a plurality of low-voltage ion pins P2 in the combustion module 50 to a plurality of second grounding pins G2 respectively under the driving of the driving voltage, and starting combustion and keeping a combustion state, outputting a low-level control signal by the control signal after the preset time, controlling the controllable switch 60 to be switched off, switching off the driving voltage, and stopping discharging when no voltage exists on the high-voltage ion needle P1.

In addition, the invention also provides an electric flame stove which comprises a cooking bench and the ionization combustion circuit arranged on the cooking bench.

In one embodiment, the cooktop includes a base 100 and a cylindrical sidewall 200 extending upwardly from the base.

In one embodiment, the combustion module 50 includes: the high-voltage ion needle P1 and a first grounding needle G1 which is arranged corresponding to the high-voltage ion needle P1, the high-voltage ion needle P1 is used for discharging the first grounding needle G1 according to rectified voltage; the high voltage ion pin P1 is disposed on the cylindrical sidewall 200 of the cooking bench, and the first ground pin G1 is disposed on the base 100.

In one embodiment, the ignition module 40 includes a plurality of low voltage ion pins P2 and a plurality of second ground pins G2 disposed in one-to-one correspondence with the plurality of low voltage ion pins P2, the low voltage ion pins P2 are respectively used for discharging the second ground pins G2 corresponding to the low voltage ion pins P2; wherein, the low voltage ion pin P2 and the second grounding pin G2 are arrayed on the base 100.

In summary, the invention provides an ionization combustion circuit and an electric flame stove, which include a voltage-multiplying rectification module, an ignition module and a combustion module, wherein the voltage-multiplying rectification module increases the driving voltage by N times to generate a rectification voltage, the ignition module is used for arc ignition according to the rectification voltage, when the ignition module breaks down air, the combustion module discharges to the ground under the driving of the driving voltage to keep continuous combustion of a heat source, so that only the ignition module is needed to perform high-voltage arc ignition, and the combustion module keeps combustion under the driving of a lower driving voltage, thereby reducing the working power of the circuit, saving energy, reducing the requirement of high-voltage resistance of devices and reducing the cost.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.