CN104501230B - Microwave oven - Google Patents
Microwave oven Download PDFInfo
- Publication number
- CN104501230B CN104501230B CN201410846685.1A CN201410846685A CN104501230B CN 104501230 B CN104501230 B CN 104501230B CN 201410846685 A CN201410846685 A CN 201410846685A CN 104501230 B CN104501230 B CN 104501230B
- Authority
- CN
- China
- Prior art keywords
- winding
- magnetron
- transformator
- output
- secondary windings
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/66—Circuits
- H05B6/662—Aspects related to the boost transformer of the microwave heating apparatus
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/66—Circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/66—Circuits
- H05B6/68—Circuits for monitoring or control
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/66—Circuits
- H05B6/68—Circuits for monitoring or control
- H05B6/687—Circuits for monitoring or control for cooking
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/80—Apparatus for specific applications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2206/00—Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
- H05B2206/04—Heating using microwaves
Abstract
The present invention relates to a kind of microwave oven.It includes magnetron and high-tension transformer, high-tension transformer includes skeleton, armature winding, the first secondary windings and second subprime winding, also include a transformator, transformator includes inputting winding and output winding, output winding and magnetron cathode connect and compose current loop, and the outfan of second subprime winding is connected with the input of input winding.Described first secondary windings one output head grounding, another outfan connects high-voltage capacitance, diode, diode cathode output head grounding, and the circuit between high-voltage capacitance and diode is connected with magnetron cathode, anode of magnetron ground connection.The present invention is reasonable in design, by increasing a transformator, the negative electrode of magnetron is powered, the microwave output of magnetron can be improved as far as possible, increase a transformator and the negative electrode offer of magnetron is added thermocurrent, purpose is the phase place that energy structure adjusts the voltage adding thermocurrent and secondary windings offer of negative electrode by this transformator, making power reach maximum, increasing the devices such as phase shifter is exactly to allow adjust the effect reaching best.
Description
Divisional application, original bill application number: 2011101911431, the applying date: on July 8th, 2011, send out and claim title: microwave oven
Technical field
The present invention relates to a kind of microwave oven.
Background technology
nullSecondary general only output about the 2000VAC of existing a kind of high voltage transformer of microwave oven,And secondary windings one end is by contacting ground connection with transformer framework,Therefore with a half-wave voltage-multiplying circuit after microwave oven secondary,Electric capacity in half-wave voltage-multiplying circuit is first charged in a sinusoidal wave half period by high-tension transformer,Then output during other half reversal periods of high-tension transformer is utilized,The voltage of electric capacity one about 4000VAC of composition that superposition has charged electricity makes its work to magnetron,In order to prevent the security incidents such as the high temperature of high-tension transformer causes winding on fire,A general high-voltage fuse component of connecting between high-tension transformer secondary windings and high-voltage capacitance,When there is the exceptions such as image height pressure diode breakdown,The electric current of secondary windings exceedes the current limit of high-voltage fuse,Electric fuse will burn to play a protective role.Also has a kind of high voltage transformer of microwave oven, its secondary windings directly exports enough voltage and drives magnetron, a high pressure full wave rectifier is connected after this secondary windings, the cathode output end of full wave rectifier and the ground of microwave oven connect, and the anode of magnetron is also to be connected with the positive electrical of full wave rectifier by the ground of microwave oven.Also has the high voltage transformer of microwave oven of a kind of frequency conversion, he can be to use half-wave or all-wave mode, the micro-wave oven transformer that high-tension transformer is high frequency simply used, because the number of turn difference hundred times of the secondary windings of high voltage transformer of microwave oven and Filament Winding, so there is bigger phase contrast in the voltage inducted in Filament Winding and secondary windings, the thermocurrent that adds being applied to the voltage between magnetron anode and cathode and Filament Winding occurs as soon as bigger phase contrast, therefore, no matter using the microwave oven of which kind of high-tension transformer, its output is all not reaching to maximum.
Summary of the invention
Therefore, the first object of the present invention is to provide one that output can be allowed to reach maximized microwave oven as far as possible.
Above-mentioned purpose uses following technical proposals to realize.
A kind of microwave oven, including magnetron, high-tension transformer and transformator, high-tension transformer includes skeleton, armature winding and secondary windings, transformator includes inputting winding and output winding, output winding connects and composes current loop with magnetron cathode, and the outfan of secondary windings is connected with the input of input winding.
Technique scheme can be done the most perfect.
High-tension transformer can be the high voltage transformer of microwave oven of half-wave times die mould, it is also possible to be the high-tension transformer of all wave rectification type.
High-tension transformer can also include the Filament Winding of oneself, and Filament Winding forms current loop with magnetron cathode.
The phase shifter changing input winding power phase can be increased between the power supply of input winding and input winding.
The phase shifter can be increased in the loop of output winding and magnetron cathode composition and adjust the heating current phase of negative electrode.
Therefore, the second object of the present invention lies also in provides one that output can be allowed to reach maximized microwave oven as far as possible.
Above-mentioned purpose uses following technical proposals to realize.
A kind of microwave oven, including magnetron, high-tension transformer and transformator, high-tension transformer includes skeleton, armature winding, the first secondary windings and second subprime winding, transformator includes inputting winding and output winding, output winding and magnetron cathode connect and compose current loop, and the outfan of second subprime winding is connected with the input of input winding.
Technique scheme can be done the most perfect.
High-tension transformer can be the high voltage transformer of microwave oven of half-wave times die mould, it is also possible to be the high-tension transformer of all wave rectification type.
High-tension transformer can also include the Filament Winding of oneself, and Filament Winding forms current loop with magnetron cathode.
High-tension transformer can include two secondary windings, and one provides the voltage difference between anode and cathode, another secondary windings to be individually for inputting winding offer power supply separately through half-wave multiplication of voltage or way of full-wave rectification.
The phase shifter changing input winding power phase can be increased between the power supply of input winding and input winding.
The phase shifter can be increased in the loop of output winding and magnetron cathode composition and adjust the heating current phase of negative electrode.
The present invention is reasonable in design, by increasing a transformator, the negative electrode of magnetron is powered, the microwave output of magnetron can be improved as far as possible, increase a transformator and the negative electrode offer of magnetron is added thermocurrent, purpose is the phase place that energy structure adjusts the voltage adding thermocurrent and secondary windings offer of negative electrode by this transformator, making power reach maximum, increasing the devices such as phase shifter is exactly to allow adjust the effect reaching best.
Accompanying drawing explanation
Fig. 1 is the electric diagram of embodiment 1;
Fig. 2 is the electric diagram of embodiment 2;
Fig. 3 is the electric diagram of embodiment 3;
Fig. 4 is the electric diagram of embodiment 4;
Fig. 5 is the electric diagram of embodiment 5;
Fig. 6 is the electric diagram of embodiment 6;
Fig. 7 is the electric diagram of embodiment 7;
Fig. 8 is the electric diagram of embodiment 8.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Embodiment 1; in conjunction with Fig. 1; a kind of microwave oven; including high-tension transformer 1, full wave rectifier 13 and magnetron 14; high-tension transformer 1 includes that again armature winding 2, secondary windings 3 and skeleton A, armature winding have input 7,8,9; secondary windings 3 outfan and the electrical connection of full wave rectifier 13 input; secondary windings 3 outfan is in series with current protective device 12; the cathode output end of full wave rectifier 13 is connected with magnetron 14 negative electrode 15, the cathode output end ground connection of magnetron 14 anode and full wave rectifier 13.
Microwave oven also includes a transformator 4, and transformator 4 includes inputting winding 5, output winding 6 and skeleton B, and the negative electrode 15 of output winding 6, phase shifter 16 and magnetron 14 forms current loop.The input of input winding electrically connects with secondary windings 3 outfan.
Embodiment 2, in conjunction with Fig. 2, embodiment 2 is armature winding 2 only input 7 and 9 with the difference of embodiment 1, and the negative electrode 15 of output winding 6 and magnetron 14 forms current loop, eliminates the phase shifter 16.
Embodiment 3, in conjunction with Fig. 3, embodiment 3 is that with the difference of embodiment 2 the input winding 5 of transformator 4 is connected and has the capacitive phase shifter 17.
Embodiment 4; in conjunction with Fig. 4; a kind of microwave oven; including high-tension transformer 1, full wave rectifier 13 and magnetron 14; high-tension transformer 1 includes that again armature winding the 2, first secondary windings 31, second subprime winding 18 and skeleton A, armature winding have input 7,9; first secondary windings 31 outfan and the electrical connection of full wave rectifier 13 input; first secondary windings 31 outfan is in series with current protective device 12; the cathode output end of full wave rectifier 13 is connected with magnetron 14 negative electrode 15, the cathode output end ground connection of magnetron 14 anode and full wave rectifier 13.
Microwave oven also includes a transformator 4, and transformator 4 includes inputting winding 5, output winding 6 and skeleton B, and output winding 6 is connected formation current loop with the negative electrode 15 of magnetron 14.The input of input winding 5 electrically connects with second subprime winding 18 outfan.Input winding 5 connects the capacitive phase shifter 17.
Embodiment 5, in conjunction with Fig. 5, embodiment 5 is also to include that Filament Winding 24, Filament Winding 24 and magnetron cathode 15 electrically connect at high-tension transformer 1 with the difference of embodiment 4.Input winding 5 cancels the capacitive phase shifter 17.
Embodiment 6, in conjunction with Fig. 6, a kind of microwave oven, including high-tension transformer 1 and magnetron 14, high-tension transformer 1 includes that again armature winding 2, secondary windings 3 and skeleton A, armature winding have input 7,9, secondary windings 3 one output head grounding, another outfan connection high-voltage insurance assembly 19, high-voltage capacitance 20, diode 21 form half-wave voltage-multiplying circuit, diode 21 output head grounding, the circuit between high-voltage capacitance 20 and diode 21 is connected with magnetron cathode 15, magnetron 14 plus earth.
Microwave oven also includes a transformator 4, and transformator 4 includes inputting winding 5, output winding 6 and skeleton B, and the negative electrode 15 of output winding 6 and magnetron 14 connects formation current loop.One input of input winding electrically connects with secondary windings 3 one outfan, inputs another input end grounding of winding.
Embodiment 7, in conjunction with Fig. 7, embodiment 7 is that with the difference of embodiment 6 two outfans exporting winding 6 are connected with the input of commutator 22, and the output of commutator 22 electrically connects with electric capacity 23 two ends, and the two ends of electric capacity 23 electrically connect with negative electrode 15 two ends of magnetron 14.
Embodiment 8, in conjunction with Fig. 8, with the difference of embodiment 6, embodiment 8 is that high-tension transformer 1 also includes Filament Winding 24, and Filament Winding 24 is connected composition loop with the negative electrode 15 of magnetron 14.
Inductive type phase shifter 16 and capacitor type phase shifter 17 in above-described embodiment mainly realize the power supply of input magnetron cathode 15 is carried out phase shift.
The high-tension transformer of above-described embodiment and the transformator of increase can be common transformers, it is also possible to be the variable-frequency power sources being equivalent to common transformer, and wherein high-tension transformer can be in the way of using half-wave or all-wave.
Claims (1)
1. a microwave oven, including magnetron and high-tension transformer, high-tension transformer includes skeleton, armature winding, first secondary windings and second subprime winding, it is characterized in that: also include a transformator, transformator includes inputting winding and output winding, output winding connects and composes current loop with magnetron cathode, the outfan of second subprime winding is connected with the input of input winding, described first secondary windings one output head grounding, another outfan connects high-voltage capacitance, diode, diode cathode output head grounding, circuit between high-voltage capacitance and diode is connected with magnetron cathode, anode of magnetron ground connection.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201120161671 | 2011-05-19 | ||
CN2011201616718 | 2011-05-19 | ||
CN201110191143.1A CN102200306B (en) | 2011-05-19 | 2011-07-08 | Micro-wave oven |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110191143.1A Division CN102200306B (en) | 2011-05-01 | 2011-07-08 | Micro-wave oven |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104501230A CN104501230A (en) | 2015-04-08 |
CN104501230B true CN104501230B (en) | 2016-08-17 |
Family
ID=44661181
Family Applications (13)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410846743.0A Expired - Fee Related CN104507193B (en) | 2011-05-19 | 2011-07-08 | Microwave oven |
CN2011101911249A Pending CN102200305A (en) | 2011-05-19 | 2011-07-08 | Microwave oven |
CN201410846781.6A Expired - Fee Related CN104566538B (en) | 2011-05-01 | 2011-07-08 | Microwave oven |
CN201410846525.7A Expired - Fee Related CN104507191B (en) | 2011-05-19 | 2011-07-08 | Microwave oven |
CN201410846541.6A Expired - Fee Related CN104501229B (en) | 2011-05-19 | 2011-07-08 | Micro-wave oven |
CN201410846589.7A Expired - Fee Related CN104507192B (en) | 2011-05-19 | 2011-07-08 | Microwave oven |
CN201410846685.1A Expired - Fee Related CN104501230B (en) | 2011-05-19 | 2011-07-08 | Microwave oven |
CN201410846596.7A Expired - Fee Related CN104654380B (en) | 2011-05-19 | 2011-07-08 | Microwave oven |
CN201410846905.0A Expired - Fee Related CN104456651B (en) | 2011-05-19 | 2011-07-08 | Microwave oven |
CN201410846588.2A Pending CN104566537A (en) | 2011-05-19 | 2011-07-08 | Microwave oven |
CN201410846760.4A Expired - Fee Related CN104501231B (en) | 2011-05-19 | 2011-07-08 | Micro-wave oven |
CN201410846618.XA Expired - Fee Related CN104486858B (en) | 2011-05-19 | 2011-07-08 | Microwave oven |
CN201110191143.1A Expired - Fee Related CN102200306B (en) | 2011-05-01 | 2011-07-08 | Micro-wave oven |
Family Applications Before (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410846743.0A Expired - Fee Related CN104507193B (en) | 2011-05-19 | 2011-07-08 | Microwave oven |
CN2011101911249A Pending CN102200305A (en) | 2011-05-19 | 2011-07-08 | Microwave oven |
CN201410846781.6A Expired - Fee Related CN104566538B (en) | 2011-05-01 | 2011-07-08 | Microwave oven |
CN201410846525.7A Expired - Fee Related CN104507191B (en) | 2011-05-19 | 2011-07-08 | Microwave oven |
CN201410846541.6A Expired - Fee Related CN104501229B (en) | 2011-05-19 | 2011-07-08 | Micro-wave oven |
CN201410846589.7A Expired - Fee Related CN104507192B (en) | 2011-05-19 | 2011-07-08 | Microwave oven |
Family Applications After (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410846596.7A Expired - Fee Related CN104654380B (en) | 2011-05-19 | 2011-07-08 | Microwave oven |
CN201410846905.0A Expired - Fee Related CN104456651B (en) | 2011-05-19 | 2011-07-08 | Microwave oven |
CN201410846588.2A Pending CN104566537A (en) | 2011-05-19 | 2011-07-08 | Microwave oven |
CN201410846760.4A Expired - Fee Related CN104501231B (en) | 2011-05-19 | 2011-07-08 | Micro-wave oven |
CN201410846618.XA Expired - Fee Related CN104486858B (en) | 2011-05-19 | 2011-07-08 | Microwave oven |
CN201110191143.1A Expired - Fee Related CN102200306B (en) | 2011-05-01 | 2011-07-08 | Micro-wave oven |
Country Status (1)
Country | Link |
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CN (13) | CN104507193B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108601130A (en) * | 2018-05-20 | 2018-09-28 | 深圳戴普森新能源技术有限公司 | Magnetron power source circuit and control method, micro-wave oven |
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JP2583518B2 (en) * | 1987-08-06 | 1997-02-19 | 三菱電機株式会社 | Power supply |
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CN100578094C (en) * | 2006-07-22 | 2010-01-06 | 梁伟国 | Microwave oven |
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2011
- 2011-07-08 CN CN201410846743.0A patent/CN104507193B/en not_active Expired - Fee Related
- 2011-07-08 CN CN2011101911249A patent/CN102200305A/en active Pending
- 2011-07-08 CN CN201410846781.6A patent/CN104566538B/en not_active Expired - Fee Related
- 2011-07-08 CN CN201410846525.7A patent/CN104507191B/en not_active Expired - Fee Related
- 2011-07-08 CN CN201410846541.6A patent/CN104501229B/en not_active Expired - Fee Related
- 2011-07-08 CN CN201410846589.7A patent/CN104507192B/en not_active Expired - Fee Related
- 2011-07-08 CN CN201410846685.1A patent/CN104501230B/en not_active Expired - Fee Related
- 2011-07-08 CN CN201410846596.7A patent/CN104654380B/en not_active Expired - Fee Related
- 2011-07-08 CN CN201410846905.0A patent/CN104456651B/en not_active Expired - Fee Related
- 2011-07-08 CN CN201410846588.2A patent/CN104566537A/en active Pending
- 2011-07-08 CN CN201410846760.4A patent/CN104501231B/en not_active Expired - Fee Related
- 2011-07-08 CN CN201410846618.XA patent/CN104486858B/en not_active Expired - Fee Related
- 2011-07-08 CN CN201110191143.1A patent/CN102200306B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN102200306A (en) | 2011-09-28 |
CN104501230A (en) | 2015-04-08 |
CN104456651A (en) | 2015-03-25 |
CN104507192B (en) | 2016-04-20 |
CN104507191B (en) | 2016-04-20 |
CN104501231B (en) | 2016-09-07 |
CN104501229A (en) | 2015-04-08 |
CN104566537A (en) | 2015-04-29 |
CN104507192A (en) | 2015-04-08 |
CN102200305A (en) | 2011-09-28 |
CN104654380B (en) | 2017-04-19 |
CN104507193B (en) | 2016-04-13 |
CN104507193A (en) | 2015-04-08 |
CN104501229B (en) | 2016-09-07 |
CN104654380A (en) | 2015-05-27 |
CN104566538A (en) | 2015-04-29 |
CN104566538B (en) | 2017-01-25 |
CN104486858A (en) | 2015-04-01 |
CN104507191A (en) | 2015-04-08 |
CN104486858B (en) | 2016-04-13 |
CN104456651B (en) | 2017-02-22 |
CN104501231A (en) | 2015-04-08 |
CN102200306B (en) | 2015-10-14 |
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