Voltage doubling rectifying unit for electric flame stove and electric flame stove

Abstract

The utility model relates to a voltage doubling rectifying unit for an electric flame stove and the electric flame stove, the voltage doubling rectifying unit is electrically connected between a plasma torch and a high-voltage transformer, and the voltage doubling rectifying unit comprises a plurality of diodes and a plurality of capacitors, the diode is a silicon carbide diode packaged by SMA, a silicon carbide diode packaged by SMB, a silicon carbide diode packaged by SMC, a silicon carbide diode packaged by SMD or a silicon carbide diode packaged by SOD. The number of diodes connected in series in an existing voltage doubling rectifying unit can be reduced, the voltage drop after the multiple diodes are connected in series is zero, the fast recovery time is zero, the temperature of components is kept on a balance line in the long-time working process of an electric flame stove, the risk of damage to the components is reduced, and the service life of a voltage doubling rectifying plate is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field technique of electric flame stove, especially a kind of voltage doubling rectifier unit for electric flame stove and electric flame stove. BACKGROUND

[0002] With the continuous improvement of people's living standards, various new, intelligent life equipment gradually emerges, among these intelligent life equipment not only brings great convenience to people's life, improves people's life quality and level, and intelligent life equipment can bring people a more healthy lifestyle, achieve energy-saving effect.

[0003] Among them, electric flame stove as a new type of life equipment has gradually been popular in people's daily life, food can be cooked through electric flame stove to replace the mode of burning natural gas and other chemical fuels for heating in traditional technology;Electric flame stove only realizes the effect of food cooking by conversion, which not only reduces people's dependence on fossil fuels, but also does not produce any toxic and harmful gases during the heating process of electric flame stove, which belongs to completely clean combustion, and greatly improves the utilization rate and conversion rate of electric energy;Combined with the above many advantages, electric flame stove will have important positive impact on people's home life in the future.

[0004] The working principle of electric flame stove is to raise the voltage by high-voltage transformer and output high-voltage electricity to voltage doubling rectifier circuit, and then transmit the multiple voltage high-voltage electricity to the corresponding plasma torch by each group of parallel voltage doubling rectifier circuit.

[0005] The diode of the existing voltage doubling rectifier circuit of electric flame stove generally adopts GPP diode, which requires a large number of diodes, and the temperature of diode increases with the increase of working time, which easily leads to damage of diode or other components.

[0006] Therefore, in the utility model patent application, the applicant carefully studies a voltage doubling rectifier unit for electric flame stove to solve the above problems. INVENTION CONTENTS

[0007] The utility model mainly aims at providing a voltage doubling rectifier unit for electric flame stove and electric flame stove, which can reduce the series number of diodes in the existing voltage doubling rectifier unit, and realize that the voltage drop of multiple diodes in series is 0 and the fast recovery time is 0, so that the temperature of components of electric flame stove remains on a balance line during long-time work, reduces the risk of component damage, and is beneficial to improve the service life of voltage doubling rectifier board.

[0008] To achieve the above purpose, the utility model adopts the following technical solutions:

[0009] A voltage doubling rectifying unit for an electric flame cooker, which is electrically connected between a plasma torch and a high voltage transformer, comprises a plurality of diodes and a plurality of capacitors,

[0010] The diodes are SMA packaged silicon carbide diodes, SMB packaged silicon carbide diodes, SMC packaged silicon carbide diodes, SMD packaged silicon carbide diodes or SOD packaged silicon carbide diodes.

[0011] As a preferred solution, in the plurality of diodes, at least two diodes are connected in series in forward direction to form a first voltage boosting module, and at least two diodes are connected in series in forward direction to form a second voltage boosting module.

[0012] In the plurality of capacitors, at least two capacitors are connected in series to form a first rectifying module, at least two capacitors are connected in series to form a second rectifying module, and at least two capacitors are connected in series to form a third rectifying module.

[0013] One end of the first rectifying module and one end of the second rectifying module are electrically connected to a first output end of a secondary winding of the high voltage transformer, the other end of the first rectifying module and the second voltage boosting module are both grounded, and the other end of the second rectifying module and a negative end of the first voltage boosting module are electrically connected to the plasma torch.

[0014] A positive end of the first voltage boosting module and a negative end of the second voltage boosting module are electrically connected to one end of the third rectifying module, and the other end of the third rectifying module is electrically connected to a second output end of the secondary winding of the high voltage transformer.

[0015] As a preferred solution, the diodes of the first voltage boosting module are diodes of the same specification.

[0016] As a preferred solution, the diodes of the second voltage boosting module are diodes of the same specification.

[0017] As a preferred solution, the capacitors of the first rectifying module are capacitors of the same specification.

[0018] As a preferred solution, the capacitors of the second rectifying module are capacitors of the same specification.

[0019] As a preferred solution, the capacitors of the third rectifying module are capacitors of the same specification.

[0020] An electric flame cooker comprising a burner and a high voltage transformer, the burner comprising a voltage doubling rectifying board and a plasma torch, the voltage doubling rectifying board being provided with a voltage doubling rectifying unit, the voltage doubling rectifying unit being electrically connected between the plasma torch and the high voltage transformer, the voltage doubling rectifying unit being the voltage doubling rectifying unit for an electric flame cooker as described above.

[0021] The utility model discloses a kind of voltage doubling rectification units for electric flame, which is electrically connected between plasma torch and high-voltage transformer, comprising a plurality of diodes and a plurality of capacitors. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the structure schematic diagram of the embodiment of the utility model.

[0023] REFERENCE SIGNS:

[0024] 11, first boost module 12, second boost module

[0025] 13, first rectifier module 14, second rectifier module

[0026] 15, third rectifier module. DETAILED DESCRIPTION

[0027] The utility model will be further described below in conjunction with the drawings and specific embodiments.

[0028] As shown in Figure 1 A voltage doubling rectification unit for electric flame is electrically connected between plasma torch and high-voltage transformer, comprising a plurality of diodes and a plurality of capacitors.

[0029] The diodes are SMA packaged silicon carbide diodes, SMB packaged silicon carbide diodes, SMC packaged silicon carbide diodes, SMD packaged silicon carbide diodes or SOD packaged silicon carbide diodes.

[0030] In the plurality of diodes, at least two diodes are connected in series to form a first boost module 11, and at least two diodes are connected in series to form a second boost module 12. In this embodiment, the diodes of the first boost module 11 are of the same specification, and the diodes of the second boost module 12 are of the same specification.

[0031] In the plurality of capacitors, at least two capacitors are connected in series to form a first rectifier module 13, at least two capacitors are connected in series to form a second rectifier module 14, and at least two capacitors are connected in series to form a third rectifier module 15.

[0032] The capacitors of the first rectifier module 13 are of the same specification, the capacitors of the second rectifier module 14 are of the same specification, and the capacitors of the third rectifier module 15 are of the same specification.

[0033] One end of the first rectifying module 13 and one end of the second rectifying module 14 are electrically connected to a first output end of the secondary winding of the high-voltage transformer, the other end of the first rectifying module 13 and the second voltage-boosting module 12 are grounded, and the other end of the second rectifying module 14 and the negative end of the first voltage-boosting module 11 are electrically connected to the plasma torch.

[0034] The positive end of the first voltage-boosting module 11 and the negative end of the second voltage-boosting module 12 are electrically connected to one end of the third rectifying module 15, and the other end of the third rectifying module 15 is electrically connected to a second output end of the secondary winding of the high-voltage transformer.

[0035] The electric flame cooker comprises a burner and a high-voltage transformer, the burner comprises a voltage-doubling rectifying board and a plasma torch, the voltage-doubling rectifying board is provided with a voltage-doubling rectifying unit, the voltage-doubling rectifying unit is electrically connected between the plasma torch and the high-voltage transformer, and the voltage-doubling rectifying unit is the voltage-doubling rectifying unit for the electric flame cooker.

[0036] The utility model discloses design main points at: it mainly is through adopting SMA package, SMB package, SMC package, SMD package or SOD package's silicon carbide diode, can reduce the series connection quantity of diode in the voltage-doubling rectifying unit of prior art, and realize the voltage drop of multiple diode series connection after is 0, and fast recovery time is 0, make the electric flame cooker in the process of long -time work, component temperature keeps on a balance line, reduces the risk of component damage, is favorable to improve the service life of voltage-doubling rectifying board.

[0037] The above is only the preferred embodiment of the utility model, and does not limit the technical range of the utility model, so any slight modification, equivalent change and modification according to the technical essence of the utility model are still within the range of the utility model technical scheme.

Claims

1. A voltage doubling rectifier unit for electric flame, electrically connected between a plasma torch and a high voltage transformer, comprising a plurality of diodes and a plurality of capacitors, characterized in that: the diodes are SMA packaged silicon carbide diodes, SMB packaged silicon carbide diodes, SMC packaged silicon carbide diodes, SMD packaged silicon carbide diodes or SOD packaged silicon carbide diodes.

2. A voltage doubling rectifying unit for an electric flame, according to claim 1, characterized in that: in the plurality of diodes, at least two diodes are connected in series in a first voltage boosting module, and at least two diodes are connected in series in a second voltage boosting module; in the plurality of capacitors, at least two capacitors are connected in series in a first rectifier module, at least two capacitors are connected in series in a second rectifier module, and at least two capacitors are connected in series in a third rectifier module; one end of the first rectifier module and one end of the second rectifier module are electrically connected to a first output end of a secondary winding of the high voltage transformer, the other end of the first rectifier module and the second voltage boosting module are grounded, and the other end of the second rectifier module and the negative end of the first voltage boosting module are electrically connected to the plasma torch; the positive end of the first voltage boosting module and the negative end of the second voltage boosting module are electrically connected to one end of the third rectifier module, and the other end of the third rectifier module is electrically connected to a second output end of the secondary winding of the high voltage transformer.

3. A voltage doubling rectifying unit for an electric flame, according to claim 2, characterized in that: the diodes of the first voltage boosting module are diodes of the same specification.

4. The voltage doubling rectifying unit for an electric flame as claimed in claim 2, characterized in that: the diodes of the second voltage boosting module are diodes of the same specification.

5. The voltage doubling rectifying unit for an electric flame as claimed in claim 2, characterized in that: the capacitors of the first rectifier module are capacitors of the same specification.

6. The voltage doubling rectifying unit for an electric flame as claimed in claim 2, characterized in that: the capacitors of the second rectifier module are capacitors of the same specification.

7. The voltage doubling rectifying unit for electric flame hobs according to claim 2, characterized in that: the capacitors of the third rectifier module are capacitors of the same specification.

8. An electric flame, characterized by: a burner head and a high voltage transformer are included, the burner head includes a voltage doubling rectifier board and a plasma torch, the voltage doubling rectifier board is provided with a voltage doubling rectifier unit, the voltage doubling rectifier unit is electrically connected between the plasma torch and the high voltage transformer, and the voltage doubling rectifier unit is the voltage doubling rectifier unit for electric flame according to any one of claims 1 to 7.

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