CN102644948A - Microwave heating system - Google Patents
Microwave heating system Download PDFInfo
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- CN102644948A CN102644948A CN2012101581559A CN201210158155A CN102644948A CN 102644948 A CN102644948 A CN 102644948A CN 2012101581559 A CN2012101581559 A CN 2012101581559A CN 201210158155 A CN201210158155 A CN 201210158155A CN 102644948 A CN102644948 A CN 102644948A
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Abstract
The invention discloses a microwave heating system which comprises a power supply circuit and further comprises a protection circuit, a rectifier circuit, a microprocessor, a drive circuit and a heating circuit which are connected with one another in sequence, wherein an output end of the power supply circuit is connected with an input end of the protection circuit; an output end of the protection circuit is connected with an input end of the rectifier circuit, an output end of the rectifier circuit is connected with an input end of the microprocessor, an output end of the microprocessor is connected with an input end of the drive circuit, and an output end of the drive circuit is connected with an input end of the heating circuit; the microwave heating system further comprises a detection circuit connected to the input end of the microprocessor, wherein the detection circuit comprises a voltage detection unit, a current detection unit and a temperature detection unit; and the temperature detection unit is composed of a temperature sensor. The microwave heating system provided by the invention can rapidly heat foods and reduce nutrition loss, is simple and convenient to operate and is safe and reliable.
Description
Technical field
The present invention relates to a kind of household electrical appliance for kitchen use, particularly relate to a kind of micro-wave oven heating system.
Background technology
Micro-wave oven (microwave oven/microwave) as its name suggests, is cooked with microwave and to be cooked.Micro-wave oven is a kind of modernization cooking kitchen range with microwave heating of food.Microwave is a kind of electromagnetic wave.Micro-wave oven is by power supply, and magnetron, control circuit and cooking cavity etc. are partly formed.Power supply provides about 4000 volts of high pressure to magnetron, and magnetron produces microwave continuously under the power supply excitation, pass through Wave guide system again, is coupled in the cooking cavity.Near the import department of cooking cavity, a rotatable stirrer is arranged, because agitator is the metal of fan shape, the reflection that after rotation is got up microwave is had all directions is so can be evenly distributed in microwave energy in the cooking cavity.
The principle of heating using microwave is in brief: when microwave is radiated on the food; Always contain a certain amount of moisture in the food; And water is by polar molecule (the positive and negative charge center of molecule; Even when external electric field does not exist, do not overlap yet) composition, the orientation of this polar molecule will change with microwave field.Because this motion of the polar molecule of water in the food.And the interaction between adjacent molecule, produced the phenomenon of similar friction, water temperature is raise, therefore, the temperature of food has also just risen.With the food of heating using microwave, because of its inside also is heated simultaneously, whole object is heated evenly, programming rate is also fast.It gos deep into food 5cm and heats with the frequency of per second 24.5 hundred million times, the acceleration molecular running.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of micro-wave oven heating system is provided, ability Fast Heating food reduces nutrition leak, and is simple to operation, safe and reliable.
In order to achieve the above object, the technical scheme that the present invention adopts is: a kind of micro-wave oven heating system, comprise power circuit, and further comprise interconnective successively holding circuit, rectification circuit, microprocessor, drive circuit and heater circuit; The output of power circuit connects the input of holding circuit; The output of holding circuit connects the input of rectification circuit, and the output of rectification circuit connects the input of microprocessor, and the output of microprocessor connects the input of drive circuit, and the output of drive circuit connects the input of heater circuit.
Further, the micro-wave oven heating system further comprises the testing circuit that is connected the microprocessor input.
Further, described testing circuit comprises voltage detection unit, current detecting unit and temperature detecting unit.
Further, described temperature detecting unit is made up of temperature sensor.
Compared with prior art, the invention has the beneficial effects as follows: make micro-wave oven powered operation power more stable through rectification circuit; Through timing circuit, be user-friendly to, and regularly can improve the security of using; Through holding circuit is set, improve the use of microwave ovens safety coefficient.
Description of drawings
Fig. 1 is a schematic block circuit diagram of the present invention.
The specific embodiment
Be elaborated with reference to accompanying drawing below in conjunction with embodiment, so that technical characterictic of the present invention and advantage are carried out more deep annotation.
Schematic block circuit diagram of the present invention is as shown in Figure 1, and a kind of micro-wave oven heating system comprises power circuit, further comprises interconnective successively holding circuit, rectification circuit, microprocessor, drive circuit and heater circuit; The output of power circuit connects the input of holding circuit; The output of holding circuit connects the input of rectification circuit, and the output of rectification circuit connects the input of microprocessor, and the output of microprocessor connects the input of drive circuit, and the output of drive circuit connects the input of heater circuit.
Further, the micro-wave oven heating system further comprises the testing circuit that is connected the microprocessor input.
Further, described testing circuit comprises voltage detection unit, current detecting unit and temperature detecting unit.
Further, described temperature detecting unit is made up of temperature sensor.
Operation principle of the present invention is following: be provided with holding circuit between power circuit and the heater, can better protect the security of the equipment and the person; Go into microprocessor through rectification circuit to the rectification of voltage is laggard; Microprocessor will drive signal conveys to drive circuit, through the driving circuit drives heater circuit, i.e. and magnetron work.The present invention is provided with testing circuit, and voltage, electric current and the temperature of micro-wave oven detected and in time feed back to micro-wave oven, makes the present invention simple to operation, and is safe and reliable.
The content of mentioning in the foregoing description is not to be to qualification of the present invention, and under the prerequisite that does not break away from inventive concept of the present invention, any conspicuous replacement is all within protection scope of the present invention.
Claims (3)
1. a micro-wave oven heating system comprises power circuit, it is characterized in that: further comprise interconnective successively holding circuit, rectification circuit, microprocessor, drive circuit and heater circuit; The output of power circuit connects the input of holding circuit; The output of holding circuit connects the input of rectification circuit, and the output of rectification circuit connects the input of microprocessor, and the output of microprocessor connects the input of drive circuit, and the output of drive circuit connects the input of heater circuit; Further comprise the testing circuit that is connected the microprocessor input.
2. micro-wave oven heating system according to claim 1 is characterized in that: described testing circuit comprises voltage detection unit, current detecting unit and temperature detecting unit.
3. micro-wave oven heating system according to claim 2 is characterized in that: described temperature detecting unit is made up of temperature sensor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012101581559A CN102644948A (en) | 2012-05-21 | 2012-05-21 | Microwave heating system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012101581559A CN102644948A (en) | 2012-05-21 | 2012-05-21 | Microwave heating system |
Publications (1)
Publication Number | Publication Date |
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CN102644948A true CN102644948A (en) | 2012-08-22 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2012101581559A Pending CN102644948A (en) | 2012-05-21 | 2012-05-21 | Microwave heating system |
Country Status (1)
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CN (1) | CN102644948A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07176376A (en) * | 1993-12-21 | 1995-07-14 | Hitachi Home Tec Ltd | Magnetron drive and control circuit |
CN1336514A (en) * | 2000-07-27 | 2002-02-20 | 三星电子株式会社 | Micro-wave oven |
CN1568097A (en) * | 2003-06-30 | 2005-01-19 | 乐金电子(天津)电器有限公司 | Inverter protection apparatus for microwave oven |
CN102200308A (en) * | 2011-01-26 | 2011-09-28 | 济南佳泰电器有限公司 | Intelligent control and self-monitoring system for microwave roaster |
CN202747425U (en) * | 2012-05-21 | 2013-02-20 | 张国华 | Heating system of microwave oven |
-
2012
- 2012-05-21 CN CN2012101581559A patent/CN102644948A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07176376A (en) * | 1993-12-21 | 1995-07-14 | Hitachi Home Tec Ltd | Magnetron drive and control circuit |
CN1336514A (en) * | 2000-07-27 | 2002-02-20 | 三星电子株式会社 | Micro-wave oven |
CN1568097A (en) * | 2003-06-30 | 2005-01-19 | 乐金电子(天津)电器有限公司 | Inverter protection apparatus for microwave oven |
CN102200308A (en) * | 2011-01-26 | 2011-09-28 | 济南佳泰电器有限公司 | Intelligent control and self-monitoring system for microwave roaster |
CN202747425U (en) * | 2012-05-21 | 2013-02-20 | 张国华 | Heating system of microwave oven |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120822 |