Nixie tube control circuit and hearing aid

By employing a common-pole connection and an integrated chip-based digital tube control circuit design in the hearing aid charging case, the problems of excessive MCU GPIO resource consumption and a large number of driver chips are solved, achieving a compact design and low-power operation of the hearing aid charging case, and improving reliability and battery life.

CN224555780UActive Publication Date: 2026-07-24HUIZHOU JINHAO MEDICAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUIZHOU JINHAO MEDICAL TECH CO LTD
Filing Date
2025-06-27
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing digital tube driver solutions for hearing aid charging cases suffer from high MCU GPIO resource requirements, a large number of driver chips, increased costs, increased space occupation, and reduced reliability, which restricts the optimization and development of hearing aids in terms of miniaturization, low cost, low power consumption, and high reliability.

Method used

The design employs a collaborative control approach involving LED light-emitting modules, driver output modules, power output modules, and main control modules. By using common-pole connections and integrated chips, the number of driver chips and GPIO resource usage are reduced, resulting in a compact structure, reduced circuit complexity, and improved reliability.

Benefits of technology

While maintaining display functionality, it significantly reduces GPIO resource consumption, reduces board space occupation and hardware costs, and improves system reliability and battery life.

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Abstract

The utility model discloses hearing aid technical field is related, specifically related to a kind of nixie tube control circuit and hearing aid.The utility model is applied to the charging bin of hearing aid, and the circuit includes LED light module, drive output module, power output module and main control module;Through the collaborative control of main control module and drive output module, and the multiple LED tube common pole connection design of LED light module, the problems, such as many in traditional scheme GPIO resource occupation, circuit complexity and low space utilization, are solved, with the advantages of compact structure, save GPIO resource, reduce circuit complexity and improve reliability.
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