CN115388433A - Electric firing circuit and electric fire range - Google Patents
Electric firing circuit and electric fire range Download PDFInfo
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- CN115388433A CN115388433A CN202211253380.0A CN202211253380A CN115388433A CN 115388433 A CN115388433 A CN 115388433A CN 202211253380 A CN202211253380 A CN 202211253380A CN 115388433 A CN115388433 A CN 115388433A
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- 238000010304 firing Methods 0.000 title claims description 17
- 238000012545 processing Methods 0.000 claims description 48
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- 230000009466 transformation Effects 0.000 claims description 16
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- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 claims description 2
- 230000000977 initiatory effect Effects 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 description 54
- 238000005070 sampling Methods 0.000 description 20
- 238000010411 cooking Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 7
- 230000006698 induction Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 3
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- 206010017740 Gas poisoning Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q3/00—Igniters using electrically-produced sparks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/002—Stoves
- F24C7/004—Stoves simulating flames
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/06—Arrangement or mounting of electric heating elements
- F24C7/067—Arrangement or mounting of electric heating elements on ranges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
- F24C7/083—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination on tops, hot plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/087—Arrangement or mounting of control or safety devices of electric circuits regulating heat
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- Combustion & Propulsion (AREA)
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- Electron Sources, Ion Sources (AREA)
Abstract
The application relates to an electric ignition circuit and an electric fire stove, wherein the input end of a switching power supply circuit in the circuit is connected with an external power supply; the input end of the booster circuit is connected with the output end of the switching power supply; the input end of an ion needle module included by the ion needle assembly is connected with the first output end of the booster circuit, and the output end of the ion needle module is close to the arc striking ion head; an ionization point pair is formed by the output end of the ion needle module and the arc striking ion head; the power control circuit is connected with the switching power supply circuit, the power control circuit transmits PWM signals with preset duty ratios to the switching power supply circuit, so that the switching power supply circuit outputs power signals to the booster circuit according to the PWM signals with the preset duty ratios, the booster circuit transmits the boosting power signals to the ion needle assembly according to the power signals, ionization arc striking is carried out by controlling ionization point pairs, and then electric ignition is realized, so that the ion needle assembly generates flames with adjustable output power and firepower, the circuit structure is simplified, and the reliability of the electric ignition circuit is improved.
Description
Technical Field
The application relates to the technical field of electric fire stoves, in particular to an electric firing circuit and an electric fire stove.
Background
Conventional cooking hobs typically employ gas cookers and induction cookers. Potential safety hazards such as gas poisoning exist when a gas stove is used; the problem of uneven heating exists when using the induction cooker. The electric fire stove is a novel stove which converts electric energy into heat energy through a plasma technology and generates flame through ionizing air so as to realize open fire cooking. The electric fire stove gets rid of dependence on raw materials such as gas and the like, and converts flame by using electric energy. The traditional combustion mode is changed. Because the gas and the gas are not needed, the accident of gas explosion is fundamentally solved, and compared with a gas stove and an induction cooker, the electric stove is safer, more convenient and more convenient, and does not influence the cooking experience of a user.
At present, in the existing electric stove, the circuit structure is complex and the circuit reliability is low.
Disclosure of Invention
In view of the above, it is necessary to provide an electric ignition circuit and an electric range which improve the reliability of the electric ignition circuit and simplify the circuit structure, in order to solve the problems of the above conventional electric range that the circuit structure is complicated and the circuit reliability is low.
In order to achieve the above object, an embodiment of the present invention provides an electric firing circuit, including:
the input end of the switching power supply circuit is used for connecting an external power supply;
the first input end and the second input end of the booster circuit are respectively connected with the output end of the switching power supply;
the ion needle assembly comprises an ion needle module and an arc striking ion head; the input end of the ion needle module is connected with the first output end of the booster circuit, and the output end of the ion needle module is close to the arc striking ion head; an ionization point pair is formed by the output end of the ion needle module and the arc striking ion head;
the power control circuit is connected with the control end of the switching power supply circuit, the power control circuit is configured to transmit a PWM signal with a preset duty ratio to the switching power supply circuit, so that the switching power supply circuit outputs a power supply signal corresponding to the preset duty ratio to the booster circuit according to the PWM signal with the preset duty ratio, and the booster circuit transmits a boosting power supply signal to the ion needle assembly according to the power supply signal so as to control the ionization point pair to carry out ionization arc striking.
In one embodiment, the power control circuit comprises a processing chip and a power regulating switch circuit; the processing chip is connected with the power regulating switch circuit;
the power regulation switch circuit is used for regulating the preset duty ratio of the PWM signal so that the processing chip transmits the PWM signal with the preset duty ratio to the switch power supply circuit.
In one embodiment, the power regulating switch circuit comprises a power regulating switch for regulating the preset duty ratio of the PWM signal; the power regulating switch is a potentiometer or a key switch.
In one embodiment, the switching power supply circuit comprises a power supply driving circuit and a power amplifying circuit;
the input end of the power driving circuit is connected with the processing chip; the output end of the power supply driving circuit is connected with the input end of the power amplifying circuit; the output end of the power amplifying circuit is connected with the booster circuit.
In one embodiment, the power driving circuit comprises a driving chip, a first driving transformation circuit and a second driving transformation circuit;
the input end of the driving chip is coupled with the processing chip, and the output end of the driving chip is respectively connected with the first driving transformation circuit and the second driving transformation circuit.
In one embodiment, the power amplifying circuit comprises a first switch tube and a second switch tube;
the grid electrode of the first switch tube is connected with the first output end of the first driving transformation circuit, the source electrode of the first switch tube is connected with the power supply, and the drain electrode of the first switch tube is respectively connected with the second output end of the first driving transformation circuit, the source electrode of the second switch tube and the first input end of the booster circuit; the grid electrode of the second switch tube is connected with the first output end of the second driving transformation circuit, and the drain electrode of the second switch tube is respectively connected with the ground wire and the second input end of the booster circuit.
In one embodiment, the arc ignition ion head is arranged on the electric fire cooker ring; the electric fire stove pot ring is used for supporting the standby pot and is attached to the bottom of the standby pot.
In one embodiment, the ion needle assembly further comprises a support mechanism; the ion needle module is arranged on the supporting mechanism; the electric fire stove pot ring is arranged above the supporting mechanism and is arranged around the ion needle module; the output end of the ion needle module is positioned below the arc ignition ion head.
In one embodiment, the electric firing circuit further comprises a power detection circuit; the power detection circuit comprises a voltage transformer, a current transformer, a first signal conditioning circuit and a second signal conditioning circuit;
the input end of the voltage transformer is connected with the input end of the booster circuit, and the output end of the voltage transformer is connected with the first signal conditioning circuit; the first signal conditioning circuit is connected with the processing chip; the input end of the current transformer is connected with the input end of the booster circuit, and the output end of the current transformer is connected with the second signal conditioning circuit; the second signal conditioning circuit is connected with the processing chip.
On the other hand, the embodiment of the invention also provides an electric fire stove which comprises the electric firing circuit.
One of the above technical solutions has the following advantages and beneficial effects:
in each embodiment of the above electric firing circuit, the electric firing circuit includes a switching power supply circuit, a voltage boosting circuit, an ion needle assembly and a power control circuit, and an input end of the switching power supply circuit is used for connecting an external power supply; the first input end and the second input end of the booster circuit are respectively connected with the output end of the switching power supply; the ion needle assembly comprises an ion needle module and an arc striking ion head; the input end of the ion needle module is connected with the first output end of the booster circuit, and the output end of the ion needle module is close to the arc striking ion head; the output end of the ion needle module and the arc striking ion head form an ionization point pair; the power control circuit is connected with the control end of the switching power supply circuit, the power control circuit is configured to transmit a PWM signal with a preset duty ratio to the switching power supply circuit, so that the switching power supply circuit outputs a power supply signal corresponding to the preset duty ratio to the booster circuit according to the PWM signal with the preset duty ratio, and the booster circuit transmits a boosting power supply signal to the ion needle assembly according to the power supply signal, so as to control the ionization point pair to carry out ionization arc striking, and further realize ignition by electricity. This application is through the duty cycle of the PWM signal of power control circuit control output, and then control boost circuit output power's size for the ion needle subassembly can produce output and flame size adjustable naked light, realizes cooking etc. function with the electricity fire, has solved the unable problem of naked light culinary art of current electromagnetism stove, has simplified circuit structure, has improved the reliability of electricity fire circuit.
Drawings
FIG. 1 is a first electrical schematic of an electrical firing circuit in one embodiment;
FIG. 2 is a second circuit schematic of an embodiment of an electrical ignition circuit;
FIG. 3 is a third circuit schematic of an embodiment of an electrical ignition circuit;
FIG. 4 is a fourth circuit schematic of an electrical fire circuit in one embodiment;
FIG. 5 is a circuit schematic of a power regulating switch circuit in one embodiment;
fig. 6 is a circuit diagram of a power amplifier circuit according to an embodiment.
Reference numerals:
100. a switching power supply circuit; 110. a power supply driving circuit; 112. a driver chip; 114. a first driving voltage transformation circuit; 116. a second driving voltage transformation circuit; 120. a power amplification circuit; 200. a boost circuit; 300. an ion needle assembly; 310. an ion needle module; 320. an arc-striking ion head; 400. a power control circuit; 410. processing the chip; 420. a power regulating switch circuit; 500. a power detection circuit; 510. a voltage transformer; 520. a current transformer; 530. a first signal conditioning circuit; 540. a second signal conditioning circuit; a potentiometer interface J1; a first capacitor C1; a second capacitor C2; a third capacitor C3; a fourth capacitor C4; a fifth capacitor C5; a sixth capacitor C6; a seventh capacitor C7; an eighth capacitor C8; a ninth capacitor C9; a tenth capacitor C10; an eleventh capacitance C11; a twelfth capacitor C12; a first resistor R1; a second resistor R2; a first switching tube G1; and a second switching tube G2.
Detailed Description
In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In addition, the term "plurality" shall mean two as well as more than two.
In order to solve the problems of complex circuit structure and low circuit reliability in the existing electric fire cooker, in one embodiment, as shown in fig. 1, an electric fire generating circuit is provided, which comprises a switching power supply circuit 100, a voltage boosting circuit 200, an ion pin assembly 300 and a power control circuit 400.
The input terminal of the switching power supply circuit 100 is used for connecting an external power supply; the first input end and the second input end of the booster circuit 200 are respectively connected with the output end of the switching power supply; the ion needle assembly 300 comprises an ion needle module 310 and an arc ignition ion head 320; the input end of the ion pin module 310 is connected with the first output end of the booster circuit 200, and the output end of the ion pin module 310 is close to the arc striking ion head 320; the output end of the ion pin module 310 and the arc ignition ion head 320 form an ionization point pair; the power control circuit 400 is connected to the control terminal of the switching power supply circuit 100, the power control circuit 400 is configured to transmit a PWM signal with a preset duty ratio to the switching power supply circuit 100, so that the switching power supply circuit 100 outputs a power supply signal corresponding to the preset duty ratio to the voltage boost circuit 200 according to the PWM signal with the preset duty ratio, and the voltage boost circuit 200 transmits a voltage boost power supply signal to the ion needle assembly 300 according to the power supply signal, so as to control the ionization point pair to perform ionization arc striking.
The switching power supply circuit 100 may be configured to perform voltage stabilization, filtering, and conversion on a power supply signal input by an external power supply, and output a stable power supply signal. An external power supply may be used to provide 220V ac power to the switching power supply. The booster circuit 200 may be used as a transformation circuit for transforming a low-value alternating voltage into another higher-value alternating voltage of the same frequency. For example, the boost circuit 200 may include a boost transformer. In one example, the first output of the booster is the dotted terminal of the booster.
The ion pin assembly 300 may include an ion pin module 310 and an arc striking ion head 320. The output end of the ion needle module 310 is close to the arc ignition ion head 320, the arc ignition ion head 320 is used for forming an ionization point pair with the output end of the ion needle module 310, and then electric fire arc ignition can be realized when the ion needle module 310 works, so that flame is formed to provide heat for a standby pot. Illustratively, during power-on operation of the circuit, based on the arc-striking ion head 320 being used to form an ionization point pair with the output end of the ion needle module 310, the ion needle module 310 may ionize air according to the boosted power signal output by the voltage boosting circuit 200 to generate a plasma airflow, so as to achieve arc striking during power-on operation.
For example, the ion needle assembly 300 may include at least one ion needle module 310, for example, the ion needle assembly 300 includes a plurality of ion needle modules 310, each ion needle module 310 may be connected in parallel to a first output end of the voltage boosting circuit 200, an output end of each ion needle module 310 is respectively disposed near the arc striking ion head 320, so that the arc striking ion head 320 and the output end of each ion needle module 310 form an arc striking loop, and when the circuit is powered on and operated, each ion needle module 310 may ionize air according to a voltage boosting power supply signal output by the voltage boosting circuit 200 to generate a plasma airflow, so as to achieve arc striking when the circuit is powered on, thereby forming a flame to provide heat to the cookware.
The power control circuit 400 can be used to adjust the preset duty ratio of the PWM signal, and then adjust the output power of the circuit according to the PWM signal with the preset duty ratio, thereby adjusting the size of the flame generated by the ionization point pair. The power control circuit 400 is connected with the control end of the switching power supply circuit 100, the output end of the switching power supply circuit 100 is respectively connected with the first input end and the second input end of the booster circuit 200, the input end of the ion pin module 310 is connected with the first output end of the booster circuit 200, further, the power control circuit 400 can transmit a PWM signal with a preset duty ratio to the switching power supply circuit 100, the switching power supply circuit 100 receives the PWM signal with the preset duty ratio and outputs a power supply signal corresponding to the preset duty ratio to the booster circuit 200 according to the PWM signal with the preset duty ratio; the booster circuit 200 receives a power supply signal and transmits the booster power supply signal to the ion needle assembly 300 according to the received power supply signal, so that the ion needle assembly 300 controls the ionization point pair to perform ionization arc striking according to the booster power supply signal, electric ignition is realized, flame is formed to provide heat for a cooker, the output power of the regulating circuit is regulated, and the size of the flame generated by the ionization point pair is regulated.
In one example, a user may manipulate the power control circuit 400, so that the power control circuit 400 outputs a PWM signal with a preset duty ratio, and then adjusts the output power of the circuit according to the PWM signal with the preset duty ratio, thereby adjusting the size of the flame generated by the ionization point pair.
In the above embodiment, the input terminal of the switching power supply circuit 100 is connected to an external power supply; the first input end and the second input end of the booster circuit 200 are respectively connected with the output end of the switching power supply; the input end of an ion needle module 310 included in the ion needle assembly 300 is connected with the first output end of the booster circuit 200, and the output end of the ion needle module 310 is close to the arc-striking ion head 320; the output end of the ion needle module 310 and the arc ignition ion head 320 form an ionization point pair; the power control circuit 400 is connected to the control end of the switching power supply circuit 100, when the circuit is powered on and works, the power control circuit 400 can transmit a PWM signal with a preset duty ratio to the switching power supply circuit 100, so that the switching power supply circuit 100 outputs a power supply signal corresponding to the preset duty ratio to the voltage boost circuit 200 according to the PWM signal with the preset duty ratio, and the voltage boost circuit 200 transmits a voltage boost power supply signal to the ion needle assembly 300 according to the power supply signal, so as to control the ionization point pair to perform ionization arc striking, and further achieve ignition by electricity. The duty ratio of the PWM signal of output is controlled through the power control circuit 400, and then the size of the output power of the booster circuit 200 is controlled, so that the ion needle assembly 300 can generate open fire with adjustable output power and flame size, functions such as cooking with the electric fire are realized, the problem that the existing induction cooker cannot cook with the open fire is solved, the circuit structure is simplified, and the reliability of the electric fire circuit is improved.
In one embodiment, as shown in fig. 2, power control circuit 400 includes a processing chip 410 and a power regulating switch circuit 420; the processing chip 410 is connected with the power regulating switch circuit 420; the power regulating switch circuit 420 is used for regulating the preset duty ratio of the PWM signal, so that the processing chip 410 transmits the PWM signal with the preset duty ratio to the switching power supply circuit 100.
The processing chip 410 may be a single chip Microcomputer (MCU). The power regulating switch circuit 420 may be used to regulate the preset duty cycle of the PWM signal. In one example, the power regulating switch circuit 420 includes a power regulating switch for regulating a preset duty cycle of the PWM signal; the power regulating switch is a potentiometer or a key switch. For example, the power adjustment switch is a potentiometer, and a user can adjust the preset duty ratio of the PWM signal by operating the potentiometer, so as to adjust the output power of the power adjustment switch circuit 420 and the flame power generated by the ionization point pair.
For example, as shown in fig. 5, the power regulating switch circuit 420 includes a potentiometer interface J1 and a first auxiliary circuit, and the first auxiliary circuit is electrically connected to the potentiometer. The first auxiliary circuit comprises a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, a first resistor R1 and a second resistor R2.
The potentiometer interface J1 is used for plugging a potentiometer, so that the potentiometer is electrically connected to the first auxiliary circuit. The potentiometer interface J1 includes a first pin end, a third pin end, a fourth pin end, and a fifth pin end. Wherein, the positive pole of the first capacitor C1 is connected to the VOL pin terminal of the processing chip 410, and the negative pole of the first capacitor C1 is connected to the ground; the positive electrode of the second capacitor C2 is connected to the VOL pin of the processing chip 410, and the negative electrode of the second capacitor C2 is connected to the ground line, the first pin of the potentiometer interface J1, and the second pin of the potentiometer interface J1, respectively. The third pin terminal of the potentiometer interface J1 is connected to the VOL pin terminal of the processing chip 410. A first end of the first resistor R1 is connected to the VOL-ON/OFF pin of the processing chip 410, and a second end of the first resistor R1 is connected to the fourth pin of the potentiometer interface J1; a first end of the second resistor R2 is connected to a first power pin end (e.g., +5V pin end) of the processing chip 410, a second end of the second resistor R2 is respectively connected to a fourth pin end of the potentiometer interface J1 and an anode of the third capacitor C3, and a cathode of the third capacitor C3 is connected to a ground line. The fifth pin terminal of the potentiometer interface J1 is connected to the second power pin terminal (e.g., VCC-3V3 pin terminal) of the processing chip 410, the positive electrode of the fourth capacitor C4, the positive electrode of the fifth capacitor C5, the positive electrode of the sixth capacitor C6, and the positive electrode of the seventh capacitor C7, respectively. The negative electrode of the fourth capacitor C4, the negative electrode of the fifth capacitor C5, the negative electrode of the sixth capacitor C6 and the negative electrode of the seventh capacitor C7 are connected to the ground line respectively.
By inserting the potentiometer into the potentiometer interface J1, the potentiometer is electrically connected to the first auxiliary circuit, and the potentiometer is electrically connected to the processing chip 410, so that a user can adjust the preset duty ratio of the PWM signal output by the processing chip 410 by manipulating the potentiometer. The processing chip 410 may transmit a PWM signal with a preset duty ratio to the switching power supply circuit 100, and the switching power supply circuit 100 receives the PWM signal with the preset duty ratio and outputs a power supply signal corresponding to the preset duty ratio to the voltage boost circuit 200 according to the PWM signal with the preset duty ratio; the booster circuit 200 receives a power supply signal and transmits the booster power supply signal to the ion needle assembly 300 according to the received power supply signal, so that the ion needle assembly 300 controls the ionization point pair to perform ionization arc striking according to the booster power supply signal, electric ignition is realized, flame is formed to provide heat for a cooker, the output power of the regulating circuit is regulated, and the size of the flame generated by the ionization point pair is regulated.
In one embodiment, as shown in fig. 2, the switching power supply circuit 100 includes a power supply driving circuit 110 and a power amplifying circuit 120; the input end of the power driving circuit 110 is connected with the processing chip 410; the output end of the power driving circuit 110 is connected to the input end of the power amplifying circuit 120; the output terminal of the power amplifier circuit 120 is connected to the booster circuit 200.
The power driving circuit 110 may be used to drive the power amplifying circuit 120 to turn on or off. The power driving circuit 110 may receive the PWM signal with the preset duty ratio transmitted by the processing chip 410, and drive the power amplifying circuit 120 to operate according to the PWM signal with the preset duty ratio. The power amplifier circuit 120 may increase the output power of the power signal according to the driving of the power driving circuit 110.
The input end of the power driving circuit 110 is connected with the processing chip 410; the output end of the power driving circuit 110 is connected to the input end of the power amplifying circuit 120; the output end of the power amplifier circuit 120 is connected to the voltage boost circuit 200, and a user can adjust the preset duty ratio of the PWM signal output by the processing chip 410 by manipulating the potentiometer. The processing chip 410 may transmit a PWM signal with a preset duty ratio to the power driving circuit 110, and the power driving circuit 110 receives the PWM signal with the preset duty ratio and drives the power amplifying circuit 120 to operate according to the PWM signal with the preset duty ratio, so that the power amplifying circuit 120 outputs the power-increased power signal to the voltage boosting circuit 200; the booster circuit 200 receives a power supply signal and transmits the booster power supply signal to the ion needle assembly 300 according to the received power supply signal, so that the ion needle assembly 300 controls the ionization point pair to perform ionization arc striking according to the booster power supply signal, electric ignition is realized, flame is formed to provide heat for a cooker, the output power of the regulating circuit is regulated, and the size of the flame generated by the ionization point pair is regulated.
In one embodiment, as shown in fig. 3, the power driving circuit 110 includes a driving chip 112, a first driving transformer circuit 114 and a second driving transformer circuit 116; the input end of the driving chip 112 is coupled to the processing chip 410, and the output end of the driving chip 112 is connected to the first driving transformer circuit 114 and the second driving transformer circuit 116, respectively.
The driving chip 112 may be used to drive the first driving transformer circuit 114 and the second driving transformer circuit 116 to operate, and the driving chip 112 is a power driving chip 112. Illustratively, the first driving transformer circuit 114 includes a first driving transformer, and the second driving transformer circuit 116 includes a second driving transformer. The output end of the first driving transformer circuit 114 and the output end of the second driving transformer circuit 116 are respectively connected to the power amplifier circuit 120.
Based on that the input end of the driving chip 112 is coupled to the processing chip 410, the output end of the driving chip 112 is connected to the first driving transformer circuit 114 and the second driving transformer circuit 116, respectively, and then the processing chip 410 can transmit a PWM signal with a preset duty ratio to the driving chip 112, the driving chip 112 receives the PWM signal with the preset duty ratio, and drives the first driving transformer circuit 114 and the second driving transformer circuit 116 to work according to the PWM signal with the preset duty ratio, so that the first driving transformer circuit 114 and the second driving transformer circuit 116 drive the power amplifier circuit 120, respectively, and the power amplifier circuit 120 outputs a power signal with increased power to the voltage booster circuit 200; the booster circuit 200 receives a power supply signal and transmits the booster power supply signal to the ion needle assembly 300 according to the received power supply signal, so that the ion needle assembly 300 controls the ionization point pair to perform ionization arc striking according to the booster power supply signal, electric ignition is realized, flame is formed to provide heat for a cooker, the output power of the regulating circuit is regulated, and the size of the flame generated by the ionization point pair is regulated.
In one embodiment, as shown in fig. 6, the power amplifying circuit 120 includes a first switching tube G1 and a second switching tube G2; a gate of the first switching tube G1 is connected to a first output terminal (i.e., CA terminal) of the first driving transformer circuit 114, a source of the first switching tube G1 is connected to a power supply (KV +), and a drain of the first switching tube G1 is respectively connected to a second output terminal (i.e., CAB terminal) of the first driving transformer circuit 114, a source of the second switching tube G2, and a first input terminal (TL 1 terminal) of the voltage boost circuit 200; the gate of the second switch tube G2 is connected to the first output terminal (i.e., the terminal CB) of the second driving transformer 116, and the drain of the second switch tube G2 is connected to the ground line and the second input terminal (the terminal TL 2) of the voltage boost circuit 200, respectively.
The first switching tube G1 and the second switching tube G2 may be PMOS tubes, respectively. Based on that the gate of the first switch tube G1 is connected to the first output terminal (i.e., CA terminal) of the first driving transformer circuit 114, the source of the first switch tube G1 is connected to the power supply, and the drain of the first switch tube G1 is respectively connected to the second output terminal (CAB terminal) of the first driving transformer circuit 114, the source of the second switch tube G2, and the first input terminal (TL 1 terminal) of the voltage boost circuit 200; the gate of the second switching tube G2 is connected to the first output end (i.e., the CB end) of the second driving transformer circuit 116, the drain of the second switching tube G2 is connected to the Ground (GND) and the second input end (TL 2 end) of the voltage boost circuit 200, so that the processing chip 410 can transmit a PWM signal with a preset duty ratio to the driving chip 112, the driving chip 112 receives the PWM signal with the preset duty ratio, and drives the first driving transformer circuit 114 and the second driving transformer circuit 116 to operate according to the PWM signal with the preset duty ratio, so that the first driving transformer circuit 114 drives the first switching tube G1 to be turned on and off, the second driving transformer circuit 116 drives the second switching tube G2 to be turned on and off, and power amplification of the input power supply signal is realized by controlling the first switching tube G1 and the second switching tube G2 to be turned on and off, and the power supply signal with increased power is transmitted to the voltage boost circuit 200; the booster circuit 200 receives a power supply signal and transmits the booster power supply signal to the ion needle assembly 300 according to the received power supply signal, so that the ion needle assembly 300 controls ionization point pairs to perform ionization arc striking according to the booster power supply signal, electric ignition is realized, flame is formed to provide heat for a cooker, the output power of the adjusting circuit is adjusted, namely the flame generated by the ionization point pairs is adjusted, the problem that the existing induction cooker cannot cook in open flame is solved, the circuit structure is simplified, and the reliability of an electric ignition circuit is improved.
Illustratively, as shown in fig. 6, the power amplifying branch further includes an eighth capacitor C8, a ninth capacitor C9, a tenth capacitor C10, an eleventh capacitor C11, and a twelfth capacitor C12.
The positive electrode of the eighth capacitor C8 is connected to the source electrode of the first switch tube G1, and the negative electrode of the eighth capacitor C8 is connected to the positive electrode of the ninth capacitor C9, the drain electrode of the first switch tube G1, and the first input end of the voltage boost circuit 200, respectively; the positive electrode of the ninth capacitor C9 is connected to the source of the second switch tube G2 and the first input end of the voltage boost circuit 200 respectively; the negative electrode of the ninth capacitor C9 is connected to the drain of the second switch tube G2 and the first end of the twelfth capacitor C12 respectively; the positive electrode of the tenth capacitor C10 is connected to the source electrode of the first switch tube G1, and the negative electrode of the tenth capacitor C10 is connected to the positive electrode of the eleventh capacitor C11, the drain electrode of the first switch tube G1, and the first input end of the voltage boost circuit 200, respectively; the anode of the eleventh capacitor C11 is connected to the source of the second switch tube G2 and the first input end of the voltage boost circuit 200 respectively; the cathode of the eleventh capacitor C11 is connected to the drain of the second switch G2 and the first end of the twelfth capacitor C12, respectively, and the second end of the twelfth capacitor C12 is connected to the second input end of the voltage boost circuit 200. The first input end and the second input end of the booster circuit are respectively connected with the ion pin assembly 300, so that the eighth capacitor C8, the ninth capacitor C9, the tenth capacitor C10 and the eleventh capacitor C11 are subjected to charge and discharge control through on-off control of the first switch tube G1 and the second switch tube G2, further power amplification of an input power supply signal is realized, and the power supply signal with increased power is transmitted to the booster circuit 200; the booster circuit 200 receives a power supply signal and transmits the booster power supply signal to the ion needle assembly 300 according to the received power supply signal, so that the ion needle assembly 300 controls ionization point pairs to perform ionization arc striking according to the booster power supply signal, electric ignition is realized, flame is formed to provide heat for a cooker, the output power of the adjusting circuit is adjusted, namely the flame generated by the ionization point pairs is adjusted, the problem that the existing induction cooker cannot cook in open flame is solved, the circuit structure is simplified, and the reliability of an electric ignition circuit is improved.
In one embodiment, the arc initiation ion head 320 is disposed on an electric fire cooktop ring; the electric fire stove pot ring is used for supporting the standby pot and is attached to the bottom of the standby pot. The ion needle assembly 300 further includes a support mechanism; the ion needle module 310 is arranged on the supporting mechanism; the electric fire stove pot ring is arranged above the supporting mechanism and is arranged around the ion needle module 310; the output end of the ion pin module 310 is located below the arc ignition ion head 320.
Wherein, the electric fire stove pot ring can be an annular pot ring. For example, the electric chafing dish ring can be a metal ring. The electric fire pan ring may be used to support a standby pan, wherein the standby pan may be, but is not limited to, a frying pan, a soup pan, or the like for cooking. When the standby pot is placed on the electric fire stove pot ring, the electric fire stove pot ring is attached to the bottom of the standby pot. The arc ignition ion head 320 is arranged on the ring of the electric fire cooker, the arc ignition ion head 320 is used for forming an ionization point pair with the output end of the ion needle module 310, and then electric fire arc ignition can be realized when the ion needle module 310 works, so that flame is formed to provide heat for a standby cooker. Illustratively, when the circuit is powered on and operated, the ion needle module 310 may ionize air according to the boost signal output by the booster to generate a plasma airflow based on the arc-striking ion head 320 forming an ionization point pair with the output end of the ion needle module 310, so as to achieve arc striking when the circuit is powered on and operated.
In one embodiment, as shown in FIG. 4, the electrical firing circuit further includes a power detection circuit 500; the power detection circuit 500 includes a voltage transformer 510, a current transformer 520, a first signal conditioning circuit 530, and a second signal conditioning circuit 540.
The input end of the voltage transformer 510 is connected with the input end of the booster circuit 200, and the output end of the voltage transformer 510 is connected with the first signal conditioning circuit 530; the first signal conditioning circuit 530 is connected with the processing chip 410; the input end of the current transformer 520 is connected with the input end of the booster circuit 200, and the output end of the current transformer 520 is connected with the second signal conditioning circuit 540; the second signal conditioning circuit 540 is connected to the processing chip 410.
The voltage transformer 510 is used to transform the line voltage, so that the back-end circuit measures the line voltage. The voltage transformer 510 can isolate the front-end high-voltage part circuit from the rear-end low-voltage part circuit, so as to avoid the interference of the high-voltage signal to the low-voltage signal. The current transformer 520 is used for converting a primary current with a large value into a secondary current with a small value through a certain transformation ratio, and is used for protection, measurement and the like. The current transformer 520 can isolate the front-end high-voltage part circuit from the rear-end low-voltage part circuit, so as to avoid the interference of the high-voltage signal on the low-voltage signal. The first signal conditioning circuit 530 may be configured to perform signal conditioning such as rectification and filtering on the low-voltage sampling signal, so as to reduce noise of the low-voltage sampling signal, and enable the output sampling voltage conditioning signal to meet the signal amplitude requirement of the processing module. The second signal conditioning circuit 540 may be configured to perform signal conditioning such as rectification and filtering on the low-current sampling signal, so as to reduce noise of the low-current sampling signal, and enable the output sampling current conditioning signal to meet the signal amplitude requirement of the processing chip 410. The processing chip 410 can be used for processing the received sampling voltage conditioning signal and the sampling current conditioning signal to obtain power information, so as to accurately calculate the real-time power of the electric fire stove and realize real-time monitoring of the output power condition of the electric fire generating circuit.
Based on the input end of the voltage transformer 510 being connected to the input end of the voltage boost circuit 200, the output end of the voltage transformer 510 being connected to the first signal conditioning circuit 530; the first signal conditioning circuit 530 is connected to the processing chip 410; the input end of the current transformer 520 is connected with the input end of the booster circuit 200, and the output end of the current transformer 520 is connected with the second signal conditioning circuit 540; the second signal conditioning circuit 540 is connected to the processing chip 410, and the voltage transformer 510 receives the high voltage signal input by the voltage boost circuit 200, and outputs a low voltage sampling signal to the first signal conditioning circuit 530 after performing mutual inductance isolation on the high voltage signal; the current transformer 520 receives the high current signal input by the booster circuit 200, and outputs a low current sampling signal to the second signal conditioning circuit 540 after performing mutual inductance isolation on the high current signal; the first signal conditioning circuit 530 receives the low-voltage sampling signal, performs signal conditioning on the low-voltage sampling signal, and outputs a sampling voltage conditioning signal to the processing chip 410; the second signal conditioning circuit 540 receives the low-current sampling signal, performs signal conditioning on the low-current sampling signal, and outputs a sampling current conditioning signal to the processing chip 410; the processing chip 410 receives the sampling voltage conditioning signal and the sampling current conditioning signal, processes the sampling voltage conditioning signal and the sampling current conditioning signal to obtain power information, and realizes real-time power detection of the electric ignition circuit.
In one embodiment, the embodiment of the invention also provides an electric fire stove, which comprises the electric firing circuit.
For the details of the electric ignition circuit, reference may be made to the description of the electric ignition circuit in the above embodiments, and details are not repeated here.
Specifically, an external power supply is connected to an input terminal of the switching power supply circuit; the first input end and the second input end of the booster circuit are respectively connected with the output end of the switching power supply; the ion needle assembly comprises an ion needle module and an arc striking ion head; the input end of the ion needle module is connected with the first output end of the booster circuit, and the output end of the ion needle module is close to the arc striking ion head; the output end of the ion needle module and the arc striking ion head form an ionization point pair; the power control circuit is connected with the control end of the switching power supply circuit, the power control circuit is configured to transmit a PWM signal with a preset duty ratio to the switching power supply circuit, so that the switching power supply circuit outputs a power supply signal corresponding to the preset duty ratio to the booster circuit according to the PWM signal with the preset duty ratio, and the booster circuit transmits a boosting power supply signal to the ion needle assembly according to the power supply signal, so as to control the ionization point pair to carry out ionization arc striking, and further realize ignition by electricity. This application is through the duty cycle of the PWM signal of power control circuit control output, and then control boost circuit output power's size for the ion needle subassembly can produce output and flame size adjustable naked light, realizes cooking etc. function with the electricity fire, has solved the unable problem of naked light culinary art of current electromagnetism stove, has simplified circuit structure, has improved the reliability of electricity fire circuit.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, and these are all within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An electrical fire circuit, comprising:
the input end of the switching power supply circuit is used for connecting an external power supply;
the first input end and the second input end of the booster circuit are respectively connected with the output end of the switching power supply;
an ion needle assembly comprising an ion needle module and an arc striking ion head; the input end of the ion needle module is connected with the first output end of the booster circuit, and the output end of the ion needle module is close to the arc striking ion head; the output end of the ion needle module and the arc ignition ion head form an ionization point pair;
the power control circuit is connected with a control end of the switching power supply circuit, the power control circuit is configured to transmit a PWM signal with a preset duty ratio to the switching power supply circuit, so that the switching power supply circuit outputs a power supply signal corresponding to the preset duty ratio to the boost circuit according to the PWM signal with the preset duty ratio, and the boost circuit transmits a boost power supply signal to the ion needle assembly according to the power supply signal so as to control the ionization point pair to carry out ionization and arc striking.
2. The electrical fire circuit of claim 1, wherein the power control circuit includes a processing chip and a power conditioning switching circuit; the processing chip is connected with the power regulating switch circuit;
the power regulation switch circuit is used for regulating the preset duty ratio of the PWM signal so that the processing chip transmits the PWM signal with the preset duty ratio to the switch power supply circuit.
3. The electrical fire circuit of claim 2, wherein the power regulating switch circuit comprises a power regulating switch for regulating a preset duty cycle of the PWM signal; the power regulating switch is a potentiometer or a key switch.
4. The electrical firing circuit of claim 2, wherein the switching power supply circuit includes a power supply drive circuit and a power amplification circuit;
the input end of the power supply driving circuit is connected with the processing chip; the output end of the power supply driving circuit is connected with the input end of the power amplifying circuit; and the output end of the power amplification circuit is connected with the booster circuit.
5. The electrical firing circuit as claimed in claim 4, wherein the power driving circuit includes a driving chip, a first driving transformer circuit and a second driving transformer circuit;
the input end of the driving chip is coupled with the processing chip, and the output end of the driving chip is respectively connected with the first driving transformation circuit and the second driving transformation circuit.
6. The electric firing circuit of claim 5, wherein the power amplifying circuit comprises a first switching tube and a second switching tube;
the grid electrode of the first switch tube is connected with the first output end of the first driving transformation circuit, the source electrode of the first switch tube is connected with a power supply, and the drain electrode of the first switch tube is respectively connected with the second output end of the first driving transformation circuit, the source electrode of the second switch tube and the first input end of the booster circuit; the grid electrode of the second switch tube is connected with the first output end of the second driving transformation circuit, and the drain electrode of the second switch tube is respectively connected with the ground wire and the second input end of the booster circuit.
7. The electrical firing circuit of claim 1 wherein the arc initiation ion head is disposed on an electric fire cooktop ring; the electric fire stove pot ring is used for supporting a standby pot and is attached to the bottom of the standby pot.
8. The electrical firing circuit of claim 2, wherein the ionizing pin assembly further comprises a support mechanism; the ion needle module is arranged on the supporting mechanism; the electric fire stove pot ring is arranged above the supporting mechanism and is arranged around the ion needle module; and the output end of the ion needle module is positioned below the arc striking ion head.
9. The electrical fire circuit of claim 2, further comprising a power detection circuit; the power detection circuit comprises a voltage transformer, a current transformer, a first signal conditioning circuit and a second signal conditioning circuit;
the input end of the voltage transformer is connected with the input end of the booster circuit, and the output end of the voltage transformer is connected with the first signal conditioning circuit; the first signal conditioning circuit is connected with the processing chip; the input end of the current transformer is connected with the input end of the booster circuit, and the output end of the current transformer is connected with the second signal conditioning circuit; the second signal conditioning circuit is connected with the processing chip.
10. An electric fire comprising an electric firing circuit as claimed in any one of claims 1 to 9.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211253380.0A CN115388433B (en) | 2022-10-13 | 2022-10-13 | Electric ignition circuit and electric stove |
| PCT/CN2022/139471 WO2024077762A1 (en) | 2022-10-13 | 2022-12-16 | Electricity-triggered flame circuit and electric flame cooker |
| PCT/US2023/076748 WO2024081821A1 (en) | 2022-10-13 | 2023-10-12 | Electric flame circuit and stove |
| US18/486,109 US20240125481A1 (en) | 2022-10-13 | 2023-10-12 | Electric flame circuit and stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211253380.0A CN115388433B (en) | 2022-10-13 | 2022-10-13 | Electric ignition circuit and electric stove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115388433A true CN115388433A (en) | 2022-11-25 |
| CN115388433B CN115388433B (en) | 2024-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211253380.0A Active CN115388433B (en) | 2022-10-13 | 2022-10-13 | Electric ignition circuit and electric stove |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20240125481A1 (en) |
| CN (1) | CN115388433B (en) |
| WO (2) | WO2024077762A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024077762A1 (en) * | 2022-10-13 | 2024-04-18 | 深圳国爱全电化智慧科技有限公司 | Electricity-triggered flame circuit and electric flame cooker |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118640501A (en) * | 2024-08-15 | 2024-09-13 | 益能电焰科技(深圳)有限公司 | Electric flame stove with automatic speed regulation burner fan |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115388433B (en) | 2024-10-11 |
| US20240125481A1 (en) | 2024-04-18 |
| WO2024077762A1 (en) | 2024-04-18 |
| WO2024081821A1 (en) | 2024-04-18 |
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