Inductive sensing circuit and sensor
CN224695919UActive Publication Date: 2026-08-28SHANGHAI FEEJOY ELECTRONICS TECH CO LTD
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Patent Information
- Application Number
- CN202521905111.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-04
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-09-04
AI Technical Summary
Technical Problem
随着现代工业对精密监测和智能化管理的需求不断增加，传统的测速传感器由于存在精度较低、响应速度慢、易受环境干扰等问题，逐渐不能满足当前高效、智能化生产的需求
Benefits of technology
[0017]与现有技术相比，本实用新型的电感式传感电路及传感器可以实现无接触式传感监测，使它不易受到环境中的灰尘、污物、反射光等问题的影响，减少了磨损、摩擦和信号干扰，提高了传感器的使用寿命和可靠性。同时，还能够对电路结构进行浇封设计，将可能产生点燃爆炸性混合物的火花或发热的部件完全封入复合物或有粘结的非金属外壳中，使其在运行或安装条件下不能点燃粉尘层或爆炸性环境，从而满足浇封型“m”保护的设备要求。此外，本方案还集成了多种信号输出方式，增加了客户对输出信号的可选择性。
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Abstract
The utility model discloses an inductive sensing circuit and sensor, including control module, LC oscillation module and switching amount output module, control module is used to produce drive signal, and LC oscillation module is based on drive signal and oscillates and produces the oscillation signal of inductive to external object, and control module still produces first output control signal and second output control signal based on oscillation signal, and switching amount output module is linked with control module to produce multiple switching amount output signals based on first output control signal and second output control signal. The inductive sensing circuit and sensor of the utility model can realize touchless sensing monitoring, make it not easy to be affected by the dust, dirt, reflected light etc. in environment problem, reduced the abrasion, friction and signal interference, improved the service life and reliability of sensor.
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