CN211019404U - Electric heating device and electric flame stove - Google Patents

Electric heating device and electric flame stove Download PDF

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Publication number
CN211019404U
CN211019404U CN201921904386.3U CN201921904386U CN211019404U CN 211019404 U CN211019404 U CN 211019404U CN 201921904386 U CN201921904386 U CN 201921904386U CN 211019404 U CN211019404 U CN 211019404U
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Prior art keywords
discharge needle
discharge
unit
capacitor
circuit
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CN201921904386.3U
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卢驭龙
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Electric fire technology (Suzhou) Co.,Ltd.
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Shenzhen Yulong Electric Flame Technology Co ltd
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Priority to CN201921904386.3U priority Critical patent/CN211019404U/en
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Publication of CN211019404U publication Critical patent/CN211019404U/en
Priority to PCT/CN2020/102410 priority patent/WO2021088408A1/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00Stoves or ranges heated by electric energy
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00Stoves or ranges heated by electric energy
    • F24C7/06Arrangement or mounting of electric heating elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00Stoves or ranges heated by electric energy
    • F24C7/08Arrangement or mounting of control or safety devices
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/26Plasma torches
    • H05H1/32Plasma torches using an arc
    • H05H1/34Details, e.g. electrodes, nozzles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Plasma Technology (AREA)

Abstract

The electric heating device comprises a furnace end, a boosting unit and at least two heating units, wherein the boosting unit is used for being connected with an external power supply and generating a high-pressure signal, and the at least two heating units are installed on the furnace end; each heating unit comprises a first discharge needle and a second discharge needle, the first discharge needle is connected with the first output end of the boosting unit, and the second discharge needle is connected with the second output end of the boosting unit; the first discharge needles and the second discharge needles respectively have high-voltage signals through the boosting unit, and are mutually discharged to generate electric arcs to break down air to form high-temperature plasma airflow to heat the cookware, and the electric heating device can heat any kind of cookware.

Description

Electric heating device and electric flame stove
Technical Field
The utility model belongs to the technical field of the electrical heating, especially, relate to an electric heater unit and electric flame kitchen.
Background
The electric flame stove is a heating device which can make electric arc break through air to generate plasma torch (i.e. flame) by boosting the commercial power so as to generate fire by electricity.
The furnace end of the existing electric flame stove is provided with a plurality of discharge needles and a grounded conductive bracket, and a metal cookware needs to be used. During the use, place the pan on electrically conductive support, realize pan ground connection, the bottom of the electric discharge to the pan of installation on the furnace end discharges, produces electric arc and punctures the air and form plasma torch, heats the pan. The electric flame stove can only use metal pots, and can not use non-conductive pots such as marmite and porcelain pot, thereby limiting the types of pots.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides an electric heater unit and electric flame kitchen to solve among the prior art problem that the electric flame kitchen restricts the use pan kind.
The application is realized by the following technical scheme:
in a first aspect, an embodiment of the present application provides an electric heating apparatus, including a furnace end, a voltage boosting unit for connecting an external power supply and generating a high voltage signal, and at least two heating units mounted on the furnace end;
each heating unit comprises a first discharge needle and a second discharge needle, the first discharge needle is connected with the first output end of the boosting unit, and the second discharge needle is connected with the second output end of the boosting unit;
the first discharge needle and the second discharge needle respectively have high-voltage signals through the boosting unit, and are mutually discharged to generate electric arcs to break down air to form high-temperature plasma airflow to heat the cookware.
In one possible implementation manner of the first aspect, the voltage boosting unit includes a voltage boosting circuit and a discharge circuit corresponding to the heating units one to one;
the input end of the booster circuit is used for being connected with the external power supply, the first output end of the booster circuit is connected with the first input end of the discharge circuit, the second output end of the booster circuit is connected with the second input end of the discharge circuit, the first output end of the discharge circuit is connected with the first discharge needles, and the second output end of the discharge circuit is connected with the second discharge needles.
In a possible implementation manner of the first aspect, the boost circuit includes a boost transformer, an input end of the boost transformer is used for being connected to the external power supply, a first output end of the boost transformer is connected to a first input end of the discharge circuit, and a second output end of the boost transformer is connected to a second input end of the discharge circuit.
In a possible implementation manner of the first aspect, the discharge circuit includes a first capacitor and a second capacitor, the first capacitor is connected in series between the first discharge needle and the first output terminal of the voltage boost circuit, and the second capacitor is connected in series between the second discharge needle and the second output terminal of the voltage boost circuit.
In a possible implementation manner of the first aspect, the first output terminal or the second output terminal of the voltage boosting unit is grounded.
In a possible implementation manner of the first aspect, the electric heating device further includes a voltage doubling unit, a third discharge needle, and a fourth discharge needle, a first input end of the voltage doubling unit is connected to the first output end of the voltage boosting unit, a second input end of the voltage doubling unit is connected to the second output end of the voltage boosting unit, a first output end of the voltage doubling unit is connected to the third discharge needle, and a second output end of the voltage doubling unit is connected to the fourth discharge needle.
In one possible implementation manner of the first aspect, the voltage doubling unit includes a first diode, a second diode, a third capacitor, a fourth capacitor, and a fifth capacitor;
one end of the third capacitor is connected with the first output end of the boosting unit, the other end of the third capacitor is respectively connected with the cathode of the first diode, the anode of the second diode and one end of the fourth capacitor, the other end of the fourth capacitor is respectively connected with the cathode of the third diode and the third discharge needle, the anode of the third diode is respectively connected with the cathode of the second diode and one end of the fifth capacitor, and the other end of the fifth capacitor is respectively connected with the anode of the first diode, the second output end of the boosting unit and the fourth discharge needle.
In one possible implementation manner of the first aspect, the fourth discharge needle is grounded.
In one possible implementation manner of the first aspect, a distance between the first discharge needle and the second discharge needle in the same heating unit is smaller than a distance between the two heating units.
In a second aspect, embodiments of the present application provide an electric flame stove, which includes the electric heating device of the first aspect.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the boosting unit obtains a high-voltage signal by boosting a voltage signal of an external power supply, a first discharge needle and a second discharge needle in each heating unit are respectively connected with a first output end and a second output end of the boosting unit, the first discharge needle and the second discharge needle are provided with the high-voltage signal, the first discharge needle and the second discharge needle in the same heating unit are mutually discharged, an electric arc is generated to breakdown air to form a high-temperature plasma torch, and a pot placed on a burner is heated. In the process of forming the high-temperature plasma torch by breaking down air through electric arcs, no cookware is needed to participate in a discharge loop, so that the electric heating device can heat any type of cookware.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an electric heating apparatus provided in an embodiment of the present invention;
fig. 2 is a schematic circuit connection diagram of an electric heating apparatus provided in an embodiment of the present invention;
fig. 3 is a schematic circuit connection diagram of an electric heating apparatus according to another embodiment of the present invention.
In the figure: 10. a furnace end; 20. a heating unit; 201. a first discharge needle; 202. a second discharge needle; 30. a voltage boosting unit; 40. an external power supply; 50. a voltage doubling unit; 60. a third discharge needle; 70. and a fourth discharge needle.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to explain the technical solution of the present invention, the following description is made by using specific examples.
As shown in fig. 1, for a schematic structural diagram of an electric heating device provided in an embodiment of the present application, the electric heating device may include a burner 10, a voltage boosting unit 30 for connecting an external power source 40 and generating a high voltage signal, and at least two heating units 20 mounted on the burner 10; each heating unit 20 includes a first discharge needle 201 and a second discharge needle 202, the first discharge needle 201 is connected to a first output terminal of the boosting unit 30, and the second discharge needle 202 is connected to a second output terminal of the boosting unit 30.
In the using process, the voltage boosting unit 30 boosts the signal input by the external power supply 40 to obtain a high voltage signal with a sufficiently high voltage, the voltage boosting unit 30 loads the generated high voltage signal to the first discharge needle 201 and the second discharge needle 202 respectively, and since the first discharge needle 201 and the second discharge needle 202 are connected to the first output end and the second output end of the voltage boosting unit 30 respectively, the phase difference between the voltage signal on the first discharge needle 201 and the voltage signal on the second discharge needle 202 is 180 degrees, the first discharge needle 201 and the second discharge needle 202 in the same heating unit 20 are mutually discharged, and the generated arc breaks down the air to generate a high-temperature plasma air flow (plasma torch). Each of the heating units 20 is capable of generating a plasma gas flow of a high temperature by puncturing air to heat a pot placed on the burner 10. Because the participation of a cooker is not needed in the process of generating the high-temperature plasma airflow, the electric heating device can heat any kind of cooker.
It should be noted that the first discharge needle 201 is represented by a triangle and the second discharge needle 202 is represented by a circle in fig. 1, and this drawing is only for convenience of distinguishing the first discharge needle 201 from the second discharge needle 202, and does not refer to any limitation on the first discharge needle 201 and the second discharge needle 202.
In one embodiment, the distance between the first discharge needle 201 and the second discharge needle 202 in the same heating unit 20 is smaller than the distance between two heating units 20, and this design can ensure that the discharge is performed between the first discharge needle 201 and the second discharge needle 202 in the same heating unit 20, and the discharge needles between two adjacent heating units 20 do not discharge each other.
As shown in fig. 2, for the schematic circuit connection diagram of the electric heating apparatus provided in the embodiment of the present application, the voltage boosting unit 30 in the electric heating apparatus may include a voltage boosting circuit and a discharging circuit corresponding to the heating unit 20 one to one, an input terminal of the voltage boosting circuit is used for connecting to the external power source 40, a first output terminal of the voltage boosting circuit is connected to a first input terminal of the discharging circuit, a second output terminal of the voltage boosting circuit is connected to a second input terminal of the discharging circuit, the first output terminal of the discharging circuit is connected to the first discharging needle 201, and the second output terminal is connected to the second discharging needle 202.
The booster circuit boosts a voltage signal input by the external power supply 40 to obtain a high-voltage signal with a sufficiently high voltage, the discharge circuit controls the high-voltage signal output by the booster circuit to be loaded on the first discharge needle 201 and the second discharge needle 202 in the corresponding heating unit 20 respectively, the first discharge needle 201 and the second discharge needle 202 are connected with the first output end and the second output end of the discharge circuit respectively, so that the phase difference between the voltage signal on the first discharge needle 201 and the voltage signal on the second discharge needle 202 is 180 degrees, the first discharge needle 201 and the second discharge needle 202 in the same heating unit 20 are discharged mutually, and a generated arc breaks down air to generate a high-temperature plasma air flow (plasma torch). Each of the heating units 20 is capable of generating a plasma gas flow of a high temperature by puncturing air to heat a pot placed on the burner 10. Because the participation of a cooker is not needed in the process of generating the high-temperature plasma airflow, the electric heating device can heat any kind of cooker.
Specifically, the boost circuit can be designed according to the use requirement, and the boost circuit can use a circuit composed of a transformer, an electronic chip or other devices, so that the voltage signal of the external power supply 40 is boosted to the required voltage, and the requirements of breaking down air and forming high-temperature plasma airflow are met.
In one embodiment, the boost circuit may include a boost transformer T having an input terminal for connection to the external power source 40, a first output terminal of the boost transformer T connected to a first input terminal of the discharge circuit, and a second output terminal of the boost transformer T connected to a second input terminal of the discharge circuit.
The step-up transformer T steps up a voltage signal input from the external power source 40 to obtain a high voltage signal, which is sufficient to break down air to form a high temperature plasma air current.
In addition, a master control switch may be connected in series between the input end of the step-up transformer T and the external power supply 40, and the working state of the step-up transformer T may be controlled by the master control switch. When the master control switch is turned off, the external power supply 40 and the step-up transformer T are not conducted, and the step-up transformer T does not work; when the master control switch is turned off, the external power supply 40 and the step-up transformer T are turned on, and the step-up transformer T operates to step up the signal of the external power supply 40.
In one embodiment, the discharge circuit may include a first capacitor C1 and a second capacitor C2, the first capacitor C1 is connected in series between the first discharge needle 201 and the first output terminal of the boost circuit, and the second capacitor C2 is connected in series between the second discharge needle 202 and the second output terminal of the boost circuit.
High-voltage signals generated by the booster circuit are loaded on the first discharge needle 201 through the first capacitor C1 and loaded on the second discharge needle 202 through the second capacitor C2, discharge is carried out between the first discharge needle 201 and the second discharge needle 202, the first capacitor C1 and the second capacitor C2 play an energy storage role in the discharging process, continuous discharging between the first discharge needle 201 and the second discharge needle 202 can be guaranteed, air between the first discharge needle 201 and the second discharge needle 202 is broken down to form high-temperature plasma airflow, and a pot placed on the burner 10 is heated.
Specifically, the first capacitor C1 and the second capacitor C2 can be high-voltage capacitors of (5-40pF)/(10KV-50 KV).
In one embodiment, the first output terminal or the second output terminal of the boosting unit 30 is grounded, i.e., the first discharge needle 201 or the second discharge needle 202 in the same heating unit 20 is connected to ground. When the first discharge needle 201 is grounded, a high-voltage signal is loaded on the second discharge needle 202, the second discharge needle 202 discharges to the first discharge needle 201, and the arc breaks through air to form high-temperature plasma airflow; when the second discharge needle 202 is grounded, a high-voltage signal is loaded on the first discharge needle 201, the first discharge needle 201 discharges to the second discharge needle 202, and the arc breaks through air to form a high-temperature plasma airflow to heat a pot placed on the burner 10.
As shown in fig. 3, for the circuit connection schematic diagram of the electric heating apparatus provided in another embodiment of the present application, the electric heating apparatus may further include a voltage doubling unit 50, a third discharge needle 60, and a fourth discharge needle 70 in addition to the components shown in fig. 2, a first input terminal of the voltage doubling unit 50 is connected to a first output terminal of the voltage boosting unit 30, a second input terminal of the voltage doubling unit 50 is connected to a second output terminal of the voltage boosting unit 30, a first output terminal of the voltage doubling unit 50 is connected to the third discharge needle 60, and a second output terminal of the voltage doubling unit 50 is connected to the fourth discharge needle 70.
Specifically, the voltage doubling unit 50 is configured to further boost the high voltage signal output by the voltage boosting unit 30 to obtain an ultra-high voltage signal (the ultra-high voltage signal is not specifically referred to, and the signal output by the voltage doubling unit 50 is referred to as an ultra-high voltage signal in order to distinguish the high voltage signal output by the voltage boosting unit 30), and apply the obtained ultra-high voltage signal to the third discharge needle 60 and the fourth discharge needle 70, respectively, and the phase difference between the ultra-high voltage signal on the third discharge needle 60 and the ultra-high voltage signal on the fourth discharge needle 70 is 180 degrees, so that electric discharge is performed between the third discharge needle 60 and the fourth discharge needle 70, and an arc is generated to break down air to form a high-temperature plasma gas flow.
Because the third discharge needle 60 and the fourth discharge needle 70 are loaded with the ultrahigh-voltage signals, the plasma air flow can be formed by quickly breaking down the air, so that the concentration of the air plasma is improved. When the plasma concentration in the air is increased, it is possible to reduce the difficulty in breaking down the air by the arc generated between the first discharge needles 201 and the second discharge needles 202. Therefore, the voltage of the signals loaded on the first discharge needle 201 and the second discharge needle 202 can be properly reduced, and the use safety of the device is improved.
It should be noted that the first discharge needle 201, the second discharge needle 202, the third discharge needle 60, and the fourth discharge needle 70 may be conductive needles of the same type and model, and the present application names different names for the respective parts for convenience of description. The uhp signal is not particularly referred to, but is distinguished from the signal output by the boosting unit 30 as a high voltage signal, so that the signal output by the voltage doubling unit 50 is named as the uhp signal, and the voltage of the uhp signal is greater than that of the high voltage signal.
In an embodiment, the voltage doubling unit 50 may perform boosting for a set multiple of the signal output by the voltage boosting unit 30, where the boosting multiple is set according to actual needs, and the voltage doubling unit 50 is exemplified as the double boosting, where the voltage output by the output unit is U.
Specifically, the voltage doubling unit 50 includes a first diode D1, a second diode D2, a third diode D3, a third capacitor C3, a fourth capacitor C4 and a fifth capacitor C5, one end of the third capacitor C3 is connected to the first output terminal of the voltage boosting unit 30, the other end of the third capacitor C3 is connected to the cathode of the first diode D1, the anode of the second diode D2 and one end of the fourth capacitor C4, the other end of the fourth capacitor C4 is connected to the cathode of the third diode D3 and the third discharge needle 60, the anode of the third diode D3 is connected to the cathode of the second diode D2 and one end of the fifth capacitor C5, and the other end of the fifth capacitor C5 is connected to the anode of the first diode D1, the second output terminal of the voltage boosting unit 30 and the fourth discharge needle 70.
When the first output terminal of the voltage boosting unit 30 is positive and the second output terminal is negative, the third capacitor C3 is charged through the first diode D1, and the voltage of the charged third capacitor C3 is U; when the first output end of the voltage boosting unit 30 is negative and the second output end is positive, the fifth capacitor C5 is charged through the second diode D2, and the voltage of the charged fifth capacitor C5 is 2U; when the first output terminal of the voltage boost unit 30 is positive and the second output terminal is negative, the fourth capacitor C4 is charged through the third diode D3, and the voltage across the charged fourth capacitor C4 is 2U. The signal voltage on the third discharge needle 60 is 3U, the voltage signal on the fourth discharge needle 70 is U, and the differential pressure between the third discharge needle 60 and the fourth discharge needle 70 is 2U, so that high-voltage discharge can be realized, air can be easily broken down to generate plasma airflow, the plasma concentration in the air is increased, the requirement of the first discharge needle 201 and the second discharge needle 202 in the heating unit 20 on high voltage is reduced, the voltage of the output signal of the voltage boosting unit 30 can be properly reduced, and the use safety of the device is improved.
In one embodiment, the fourth discharge needle 70 is grounded, the voltage applied to the third discharge needle 60 is an ultra-high voltage signal, the fourth discharge needle 70 is grounded, after the voltage boosting is completed, the voltage of the third discharge needle 60 is 3U, the fourth discharge needle 70 is grounded, the voltage is zero, and the voltage difference between the third discharge needle 60 and the fourth discharge needle 70 is 3U, so that the third discharge needle 60 can discharge to the fourth discharge needle 70, the generated arc can break down air to form plasma airflow, and the concentration of plasma in the air at a position near the burner 10 can be increased.
The embodiment of the application also discloses an electric flame stove which comprises the electric heating device. In the using process of the electric flame stove, electric arcs are generated only by mutual discharging among the discharge needles in the heating units 20 arranged on the furnace end 10, air is punctured to form high-temperature plasma airflow, and a pot on the furnace end 10 is heated. Do not need the pan to participate in at the in-process that produces heat, consequently this electric flame kitchen can heat any kind of pan.
The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims (10)

1. An electric heating device comprises a furnace end, and is characterized by also comprising a boosting unit and at least two heating units, wherein the boosting unit is used for being connected with an external power supply and generating a high-voltage signal;
each heating unit comprises a first discharge needle and a second discharge needle, the first discharge needle is connected with the first output end of the boosting unit, and the second discharge needle is connected with the second output end of the boosting unit;
the first discharge needle and the second discharge needle respectively have high-voltage signals through the boosting unit, and are mutually discharged to generate electric arcs to break down air to form high-temperature plasma airflow to heat the cookware.
2. The electric heating apparatus according to claim 1, wherein the booster unit includes a booster circuit and a discharge circuit in one-to-one correspondence with the heating units;
the input end of the booster circuit is used for being connected with the external power supply, the first output end of the booster circuit is connected with the first input end of the discharge circuit, the second output end of the booster circuit is connected with the second input end of the discharge circuit, the first output end of the discharge circuit is connected with the first discharge needles, and the second output end of the discharge circuit is connected with the second discharge needles.
3. An electrical heating apparatus in accordance with claim 2, wherein the boost circuit comprises a boost transformer, an input of the boost transformer being adapted to be connected to the external power source, a first output of the boost transformer being connected to a first input of the discharge circuit, and a second output of the boost transformer being connected to a second input of the discharge circuit.
4. The electrical heating apparatus of claim 2, wherein the discharge circuit comprises a first capacitor connected in series between the first discharge needle and the first output of the boost circuit, and a second capacitor connected in series between the second discharge needle and the second output of the boost circuit.
5. An electric heating device according to any one of claims 2 to 4, wherein the first output or the second output of the booster unit is connected to ground.
6. The electric heating device of claim 1, further comprising a voltage doubling unit, a third discharge needle and a fourth discharge needle, wherein a first input terminal of the voltage doubling unit is connected to a first output terminal of the voltage boosting unit, a second input terminal of the voltage doubling unit is connected to a second output terminal of the voltage boosting unit, a first output terminal of the voltage doubling unit is connected to the third discharge needle, and a second output terminal of the voltage doubling unit is connected to the fourth discharge needle.
7. The electric heating apparatus of claim 6, wherein the voltage doubling unit comprises a first diode, a second diode, a third capacitor, a fourth capacitor, and a fifth capacitor;
one end of the third capacitor is connected with the first output end of the boosting unit, the other end of the third capacitor is respectively connected with the cathode of the first diode, the anode of the second diode and one end of the fourth capacitor, the other end of the fourth capacitor is respectively connected with the cathode of the third diode and the third discharge needle, the anode of the third diode is respectively connected with the cathode of the second diode and one end of the fifth capacitor, and the other end of the fifth capacitor is respectively connected with the anode of the first diode, the second output end of the boosting unit and the fourth discharge needle.
8. The electric heating apparatus as claimed in claim 6 or 7, wherein the fourth discharge needle is grounded.
9. The electric heating device of claim 1, wherein the first discharge needle and the second discharge needle in the same heating unit have a smaller pitch than the pitch of the two heating units.
10. An electric flame cooker, characterized in that it comprises an electric heating device according to any one of claims 1 to 9.
CN201921904386.3U 2019-11-06 2019-11-06 Electric heating device and electric flame stove Active CN211019404U (en)

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CN201921904386.3U CN211019404U (en) 2019-11-06 2019-11-06 Electric heating device and electric flame stove
PCT/CN2020/102410 WO2021088408A1 (en) 2019-11-06 2020-07-16 Electric heating device and electric flame stove

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WO2021088408A1 (en) * 2019-11-06 2021-05-14 德驭新能源科技(苏州)有限公司 Electric heating device and electric flame stove
WO2024021458A1 (en) * 2022-07-29 2024-02-01 深圳国爱全电化智慧科技有限公司 Electric fire stove circuit and electric fire stove

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WO2021027484A1 (en) * 2019-08-09 2021-02-18 卢驭龙 Electric flame cooker and control circuit thereof
WO2021088408A1 (en) * 2019-11-06 2021-05-14 德驭新能源科技(苏州)有限公司 Electric heating device and electric flame stove
WO2024021458A1 (en) * 2022-07-29 2024-02-01 深圳国爱全电化智慧科技有限公司 Electric fire stove circuit and electric fire stove

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