Micro switching power supply circuit, solid state source and atomization device

By designing a combination of a micro-switching power supply circuit and a solid-state source, the problem of miniaturizing microwave sources was solved, achieving high efficiency in reducing energy consumption and excellent taste in electronic atomization devices, while meeting voltage requirements in different scenarios.

CN224555477UActive Publication Date: 2026-07-24SHENZHEN ANXIN IOT TECH CO LTD
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Patent Information

Application Number
CN202521537147.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Priority Date
2025-06-20
Filing Date
2025-07-22
Publication Date
2026-07-24
Estimated Expiration
2035-07-22

AI Technical Summary

Technical Problem

Existing technologies cannot miniaturize microwave sources, making them unsuitable for handheld products and failing to meet the actual needs of microwave-heated non-combustible electronic atomization devices.

Method used

Design a miniature switching power supply circuit, including an inductor, a power chip, a power switching transistor, and a feedback network. Through the cooperation of the feedback network and the power chip, precise control of the output voltage can be achieved to meet the voltage requirements in different scenarios. Furthermore, through the combination of a solid-state source and an atomizing device, effective control of microwave heating can be achieved.

Benefits of technology

The miniaturization of the microwave source has been achieved, which has improved the energy consumption and efficiency of the electronic atomization device, met the voltage requirements in different scenarios, and ensured the heating without combustion effect and excellent taste.

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Abstract

The utility model discloses a micro switch power supply circuit, a solid state source and an atomization device. The micro switch power supply circuit comprises an inductor, a power supply chip, a first power switch tube, a second power switch tube and a feedback network, the first power switch tube and the second power switch tube are connected with the inductor to form a switch circuit; one end of the inductor is connected with input voltage, and the output end of the inductor outputs voltage; an output pin of the power supply chip is respectively connected with the grid electrodes of the first power switch tube and the second power switch tube, and the power supply chip is used for outputting a control signal to drive the first power switch tube and the second power switch tube to be switched on or switched off; the feedback network is connected between the output voltage and the power supply chip and is used for sending the collected output end voltage signal to the power supply chip, and the power supply chip compares the voltage signal fed back by the feedback network with a preset reference voltage. And a control signal is output according to the comparison result to drive the first power switch tube and the second power switch tube to be switched on or switched off. The electronic cigarette meets the requirement that the electronic cigarette device works in different voltage states, energy consumption is reduced, and product miniaturization is achieved.
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