Microwave oven and outdoor power supply system thereof

By integrating the power supply system and simplifying circuit connections, the complex power supply problem of portable microwave ovens has been solved, enabling wider use and greater portability. The combination of solar and mains power supply improves battery life.

CN224021491UActive Publication Date: 2026-03-20ZHONGSHAN DONLIM WEILI ELECTRICAL APPLIANCES CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing portable microwave ovens have complex power supply methods, requiring connection to an external power source, which limits their scope of use.

Method used

An integrated power supply system is adopted, including a battery, relay, inverter, high-voltage transformer and magnetron. By simplifying the circuit connection, the DC to AC power conversion is realized, and the microwave oven is powered by solar panels and AC plug.

Benefits of technology

It simplifies circuit connections, expands the range of applications for microwave ovens, improves portability, and enhances battery life through the combination of solar energy and mains power.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field, in particular to a microwave oven and an outdoor power supply system thereof, which comprise a storage battery, a relay, an inverter, a high-voltage transformer and a magnetron, the storage battery is arranged in a shell of the microwave oven, the storage battery is electrically connected with the relay, the relay is electrically connected with the inverter, the inverter is electrically connected with the high-voltage transformer, and the high-voltage transformer is electrically connected with the magnetron. The storage battery power supply system is integrated in the microwave oven, so that the microwave oven can be carried outdoors and used in an outdoor environment, and the outdoor use requirements of customers are met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to technical field especially relates to a microwave oven and outdoor power supply system thereof. BACKGROUND

[0002] Microwave is a kind of electromagnetic wave. Microwave oven is composed of power supply, magnetron, control circuit and cooking cavity etc. The existing portable microwave oven needs to be connected with external lithium battery to use outdoors. When the switch of microwave oven is opened, direct current is converted into alternating current by inputting inverter, and the alternating current is inputted in microwave oven through switch, a part of alternating current is inputted in high-voltage transformer to boost, then inputted in magnetron through high-voltage capacitor and high-voltage diode to generate microwave, and the food placed in glass turntable in oven cavity is heated, another part of alternating current drives exhaust fan to exhaust, and drives motor under glass turntable to rotate together with glass turntable and food placed in glass turntable. The above-mentioned power supply mode circuit connection mode is complex, and needs to be connected with external power supply, which limits the use range of portable microwave oven. SUMMARY

[0003] The utility model aims at overcoming the insufficient of prior art, and provides a kind of microwave oven and outdoor power supply system thereof, its circuit installation is simple, and it is convenient to carry and go out use.

[0004] To solve the above problems, the utility model provides an outdoor power supply system of microwave oven, comprising a storage battery, a relay, an inverter, a high-voltage transformer and a magnetron.

[0005] The storage battery is arranged in the shell of the microwave oven, and the storage battery is electrically connected with the relay, the relay is electrically connected with the inverter, the inverter is electrically connected with the high-voltage transformer, and the high-voltage transformer is electrically connected with the magnetron.

[0006] As an improvement of the above technical solution, the storage battery is arranged at the bottom, top, back or side of the shell.

[0007] As an improvement of the above technical solution, it further comprises a mains plug, and the mains plug is electrically connected with the storage battery and the magnetron through a control circuit.

[0008] As an improvement of the above technical solution, it further comprises a solar panel and a solar power supply controller, and the solar panel is electrically connected with the storage battery through the solar power supply controller.

[0009] As an improvement of the above technical solution, the outer periphery of the solar panel is provided with a buckle, and the solar panel is fixed to the top of the shell through the buckle.

[0010] As the improvement of the above technical scheme, the glass panel on the front of the shell is provided with a cadmium telluride thin film solar cell panel, and the cadmium telluride thin film solar cell panel is electrically connected with the storage battery.

[0011] The utility model also provides a microwave oven, its characterized in that, including the outdoor power supply system of above described.

[0012] As the improvement of the above technical scheme, the control panel and display screen are arranged on the front of the shell.

[0013] The utility model has the following beneficial effects:

[0014] The power supply system of the utility model microwave oven comprises a storage battery, a relay, an inverter, a high-voltage transformer and a magnetron which are electrically connected in sequence. When no mains power is connected, the storage battery provides direct current to the relay, and the normally open contact and the normally closed contact in the relay start to work after being powered on when the relay works, the normally open contact is converted into the normally closed contact, the normally closed contact is converted into the normally open contact, and the two contact switches oscillate back and forth. At this time, the direct current power supply of the power supply battery is equivalent to converted into alternating current. Then the alternating current is transmitted to the inverter, the current is boosted to supply the high-voltage transformer and the magnetron, and the transformer and the magnetron of the microwave oven can generate microwaves to heat food after working. Compared with the prior art, the storage battery assembly is integrated in the interior of the microwave oven, the connection mode of the circuit is simplified, the use range of the microwave oven is expanded, and the portability is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a composition schematic view of the outdoor power supply system of an embodiment of the utility model;

[0016] Figure 2 is a three-dimensional schematic view of the microwave oven of an embodiment of the utility model;

[0017] Figure 3 is a composition schematic view of the outdoor power supply system of another embodiment of the utility model;

[0018] Figure 4 is a three-dimensional schematic view of the microwave oven of another embodiment of the utility model. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be further described in detail below in combination with the drawings.

[0020] Referring to Figure 1 The utility model embodiment provides an outdoor power supply system of microwave oven, including storage battery 1, relay 2, inverter 3, high voltage transformer 4 and magnetron 5.

[0021] The embodiment simplifies the power supply circuit of the battery, enables miniaturization and integration in the shell of the microwave oven, and further improves the portability of the microwave oven.

[0022] Specifically, the battery 1 is arranged in the shell of the microwave oven, the battery 1 is electrically connected with the relay 2, the relay 2 is electrically connected with the inverter 3, the inverter 3 is electrically connected with the high-voltage transformer 4, and the high-voltage transformer 4 is electrically connected with the magnetron 5.

[0023] The utility model discloses a microwave oven's power supply system, including the battery 1, relay 2, inverter 3, high voltage transformer 4 and magnetron 5 that are electrically connected in proper order.When not access to the mains work, the battery 1 provides direct current to the relay 2, and the normally open contact and the normally closed contact in the relay 2 work when working, and the normally open contact will be converted into the normally closed contact, and the normally closed contact will be converted into the normally open contact, and the two contact switches oscillate back and forth, at this time, the direct current of the power supply battery is equivalent to converted into alternating current, then alternating current is transported to the inverter 3, and the current is boosted to supply the high-voltage transformer 4 and the magnetron 5, and the high-voltage transformer 4 and the magnetron 5 of the microwave oven work and can generate microwave to heat food.Compared with the prior art, the battery assembly is integrated in the interior of the microwave oven, and the connection mode of the circuit is simplified, the use range of the microwave oven is expanded, and the portability is further improved.

[0024] Preferably, the battery 1 is arranged at the bottom, top, back or side of the shell, so that the battery 1 can be easily detached from the shell for replacement.

[0025] Preferably, the utility model also includes a mains plug 11, which is electrically connected with the battery 1 and the magnetron 5 through a control circuit 12.When the microwave oven is used indoors, it can be directly connected with the mains to obtain power supply and charge the battery 1 at the same time.

[0026] Referring to Figure 3 and Figure 4 Another embodiment of the utility model also includes a solar panel 13 and a solar power supply controller 14, which are electrically connected with the battery 1 through the solar power supply controller 14.When the battery 1 runs out of power when the microwave oven is used outdoors, the battery 1 can be charged through the cooperation of the solar panel 13 and the solar power supply controller 14, further improving the endurance performance of the battery 1 outdoors.

[0027] Preferably, the outer periphery of the solar panel 13 is provided with a buckle 15, and the solar panel 13 is fixed to the top of the shell through the buckle 15. Since the solar panel 13 is fixed to the top of the microwave oven through the buckle 15, the dismounting process of the solar panel 13 is simplified, and the solar panel 13 is convenient to dismount and replace.

[0028] Preferably, a cadmium telluride thin film solar panel 16 is arranged on the glass panel of the front face of the shell, and the cadmium telluride thin film solar panel 16 is electrically connected with the storage battery 1. The light receiving area of the solar panel 16 is further increased.

[0029] Referring to Figures 1 to 4 The utility model embodiment further provides a microwave oven, which comprises the outdoor power supply system.

[0030] Preferably, the control panel 6 and the display screen 7 are further included, and the control panel 6 and the display screen 7 are arranged on the front face of the shell. The control panel 6 and the display screen 7 are arranged to facilitate the user to operate the microwave oven and to directly feed back the use state of the microwave oven to the user.

[0031] The above is the preferred embodiment of the utility model, and it should be noted that, for the ordinary skilled in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the utility model.

Claims

1. An outdoor power supply system for a microwave oven, characterized in that, This includes batteries, relays, inverters, high-voltage transformers, and magnetrons; The storage battery is located inside the microwave oven casing. The storage battery is electrically connected to the relay, the relay is electrically connected to the inverter, the inverter is electrically connected to the high-voltage transformer, and the high-voltage transformer is electrically connected to the magnetron.

2. The outdoor power supply system as described in claim 1, characterized in that, The battery is located at the bottom, top, back, or side of the casing.

3. The outdoor power supply system as described in claim 1, characterized in that, It also includes an AC power plug, which is electrically connected to the battery and the magnetron respectively via a control circuit.

4. The outdoor power supply system as described in claim 1, characterized in that, It also includes a solar panel and a solar power controller, wherein the solar panel is electrically connected to the battery via the solar power controller.

5. The outdoor power supply system as described in claim 4, characterized in that, The solar panel is provided with a buckle on its outer periphery, and the solar panel is fixed to the top of the housing by the buckle.

6. The outdoor power supply system as described in claim 4 or 5, characterized in that, A cadmium telluride thin-film solar panel is provided on the glass panel on the front of the casing, and the cadmium telluride thin-film solar panel is electrically connected to the battery.

7. A microwave oven, characterized in that, Includes the outdoor power supply system as described in any one of claims 1-6.

8. The microwave oven as described in claim 7, characterized in that, It also includes a control panel and a display screen, which are located on the front of the housing.