The solar energy microwave oven
Technical field
The present invention relates to a kind of microwave oven, particularly a kind of solar energy microwave oven.
Background technology
Along with high efficiency, the convenience of microwave oven, make it promote more and more widely at present, come into different consumer fields: family expenses, commercialization, medical.The use of the power supply of microwave oven is generally civil power, and is well-known, and the supply of civil power generally is to lean on hydroelectric power generation, coal fired power generation, has wasted a large amount of natural energy sources, brings a large amount of pollutions to environment simultaneously.
Chinese patent document number CN101922748A discloses a kind of with the microwave oven of solar photovoltaic generation system as power supply source on December 22nd, 2010; The solar light irradiation solar cell produces direct current, and direct current is adjusted, then imported lithium ion battery and store for future use through the conductor wire input controller.When the switch open of microwave oven, direct current input inverter converts alternating current to; Alternating current is through switch input microwave oven; Part alternating current input high-tension transformer boost the back, then produce microwave through high-voltage capacitance, high-voltage diode input magnetic control microwave tube; Food to being placed in the inner glass rotating disk of furnace chamber heats; The motor that another part alternating current drives air draft electric fan air draft and drives glass rotating disk below rotates together with glass rotating disk and the food that is placed in the glass rotating disk.The solar cell of this structure is arranged on microwave oven with external position, has increased the difficulty of installation connection; And air draft electric fan and disk motor be AC driving, need the part of direct current that solar cell produces be converted to exchange the back and supply air draft electric fan and disk motor to use into raising microwave oven cost.
Summary of the invention
The object of the invention aims to provide a kind of simple and reasonable, energy-saving low-carbon environmental protection, easy to use, Energy Efficiency Ratio is high, the scope of application is wide solar energy microwave oven, to overcome weak point of the prior art.
By a kind of solar energy microwave oven of this purpose design, the magnetron that is included as microwave oven provides the storage battery of power supply, and storage battery is connected with solar panel through solar powered controller; Solar powered controller also is electrically connected with magnetron through drive circuit; Its architectural feature is that solar panel and storage battery all are arranged on the microwave oven.
Said solar panel is arranged on the top or the sidepiece of microwave oven.
Said storage battery is arranged on bottom, top, back or the sidepiece of microwave oven.
Said storage battery is tabular, is movably arranged on microwave oven end face or side; Solar panel is arranged on the storage battery end face, and connects as one with storage battery.Storage battery and solar panel are integrated, can conveniently remove, and are used to take outdoor charging.
Said drive circuit comprises DC/DC converter, IGBT boost switching circuit and voltage-multiplying circuit; Solar powered controller is electrically connected with magnetron through DC/DC converter, IGBT boost switching circuit, voltage-multiplying circuit successively.
Said DC/DC converter comprises that DC-DC boosts, diode D1 and capacitor C 1, and wherein the negative pole of diode D1 links to each other with the positive pole of capacitor C 1.Said IGBT boost switching circuit comprises IGBT driving, IGBT1, IGBT2, resonant capacitance C3, resonant capacitance C4 and high frequency high voltage transformer L2.Said voltage-multiplying circuit comprises capacitor C 5, capacitor C 6, high-voltage diode D7, high-voltage diode D8 and resistance R 4.
Said microwave oven also is provided with civil power and inserts, and civil power is electrically connected with magnetron through AC/DC converter, IGBT boost switching circuit, voltage-multiplying circuit successively.
Said AC/DC converter 6 comprises rectifier circuit, unilateral diode D2 and filter capacitor C2.The AC/DC converter is used for civil power is converted into direct current.
The solar panel of solar energy microwave oven of the present invention and storage battery are arranged on the microwave oven, make things convenient for user installation, need not extra connection lead.When microwave oven was not worked, the electric current that solar panel produces can be stored in the storage battery; During microwave oven work, can realize preferentially using accumulator electric-quantity.In addition, for fear of causing the situation that can not satisfy the microwave oven load to take place inadequately because of the solar cell power output, and increased civil power; Solar panel circuit and mains circuit form parallel circuits, realize that DC side is incorporated into the power networks.It is simple and reasonable, the energy-saving low-carbon environmental protection, easy to use, Energy Efficiency Ratio is high, applied widely.
In addition, the present invention utilizes the small-power solar panel and combines storage battery (lithium battery) to be the microwave oven power supply, realizes need not to consume the microwave oven of civil power.And solar energy does not produce harmful substance and greenhouse gas as a kind of clean non-polluting energy sources in the process of generating, and the biological environment on helping preserving our planet with obtaining more and more general use, reaches real energy-conserving and environment-protective.Simultaneously, consider that also family uses the characteristics of microwave oven: idle when every day is long, high-power in short-term use; The time of using many early, evening, particularly sunlight are inadequate or do not have time of sunlight, so, utilize the sufficient time of microwave oven free time and sunray, be the enough electric weight of battery stores through solar panel, subsequent use when thinking cooking in microwave oven food.
Description of drawings
Fig. 1 is a structural principle line frame graph of the present invention.
Fig. 2 is one embodiment of the invention structural representation.
Fig. 3 is circuit theory diagrams of the present invention.
Fig. 4 is another example structure sketch map.
Fig. 5 is another example structure sketch map.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
First embodiment
Referring to Fig. 1-Fig. 3, this solar energy microwave oven, the magnetron 9 that is included as microwave oven 1 provides the storage battery 3 of power supply, and storage battery 3 is connected with solar panel 1 through solar powered controller 7; Solar powered controller 7 also is electrically connected with magnetron 9 through drive circuit.Solar panel 1 is positioned at the outer cover top of microwave oven 2; Storage battery 3 is positioned at the bottom of microwave oven 2.
Drive circuit comprises DC/DC converter 4, IGBT boost switching circuit 11 and voltage-multiplying circuit 10; Solar powered controller 7 is electrically connected with magnetron 9 through DC/DC converter 4, IGBT boost switching circuit 11, voltage-multiplying circuit 10 successively.
DC/DC converter 4 comprises that DC-DC boosts 8, diode D1 and capacitor C 1, and wherein the negative pole of diode D1 links to each other with the positive pole of capacitor C 1.IGBT boost switching circuit 11 comprises IGBT driving, IGBT1, IGBT2, resonant capacitance C3, resonant capacitance C4 and high frequency high voltage transformer L2.Voltage-multiplying circuit 10 comprises capacitor C 5, capacitor C 6, high-voltage diode D7, high-voltage diode D8 and resistance R 4.
Microwave oven 2 also is provided with civil power 5 and inserts, and civil power 5 is electrically connected with magnetron 9 through AC/DC converter 6, IGBT boost switching circuit 11, voltage-multiplying circuit 10 successively.AC/DC converter 6 comprises rectifier circuit, unilateral diode D2 and filter capacitor C2.Rectifier circuit comprises that diode D3, D4, D5 and D6 form.
Above-mentioned solar panel 1 produces the direct current of 16V-30V, DC/DC boost 8 be used for above-mentioned electric energy is transformed into 350V direct current.In addition, because solar panel 1 produces direct current, can the air ejector fan motor of microwave oven and rotary tray motor be used instead and be direct current machine.
Its operation principle is: solar panel 1 is an electric energy with conversion of solar energy, and electric energy converts the direct current of 350V after through inverter to, directly supplies with microwave oven 2.When microwave oven 2 was not worked, the electric energy that solar panel 1 produces can store in storage battery 3; When solar panel 1 was not worked, storage battery 3 is discharge automatically, and boosting through controller for solar 7 and DC/DC is transformed into the 350V direct current after 8, supplies microwave oven 2 to use.When storage battery 3 and solar panel 1 power had satisfied not microwave oven 2 power needs, civil power 5 can replenish automatically.Microwave oven 2 use power with solar powered be main, civil power 5 power supplies are for auxiliary, reason be exactly the voltage of civil power 5 after through AC/DC transducers 6 be 310V; And the output voltage of DC/DC converter 4 is 350V; According to DC characteristic, can preferentially use 4 power supplies of DC/DC converter, promptly solar powered.
Second embodiment
Referring to Fig. 4, storage battery 3 is tabular, is movably arranged on microwave oven 2 outer cover end faces; Solar panel 1 is arranged on storage battery 3 end faces, and connects as one with storage battery 3, so that remove and take outdoor charging.Other does not state part with first embodiment.
The 3rd embodiment
Referring to Fig. 5, solar panel 1 is arranged on the outer cover top of microwave oven 2; Storage battery 3 is arranged on the back of microwave oven 2.Other does not state part with first embodiment.