Current sensor and electronic device

By setting cuts on the conductor of the current sensor and bending them to form a mounting port, passing through the magnetic sensor, and setting the sensing element at an angle with the corresponding resistance, the problem of insufficient magnetic field sensitivity of the Hall effect sensor is solved, and a higher magnetic field sensing sensitivity is achieved.

CN222653030UActive Publication Date: 2025-03-21GOERTEK MICROELECTRONICS CO LTD
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Patent Information

Application Number
CN202420572335.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-22
Publication Date
2025-03-21
Estimated Expiration
2034-03-22

AI Technical Summary

Technical Problem

Existing Hall effect sensors are insufficient to magnetic field sensitivity, resulting in the sensor element not being triggered at low magnetic field strength.

Method used

A current sensor is designed to form a mounting port by setting a cutout on the conductor and bending it to form a mounting port, and the magnetic sensor is arranged at an angle with the corresponding resistance, so that the magnetic inductance line penetrates the sensing element vertically or horizontally, thereby improving the sensitivity of magnetic field sensing.

Benefits of technology

Through this design, the sensitivity of the current sensor to the magnetic field is improved, so that the magnetic field can be effectively sensed under low magnetic field conditions, solving the problem of not triggering the sensing element.

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Abstract

The utility model discloses a current sensor and an electronic device, the current sensor comprises a conductor and a magnetic sensor, two ends of the conductor are respectively provided with an input interface and an output interface which are used for being communicated with an external device, and a notch located between the input interface and the output interface is formed on the conductor. Two bending parts with opposite bending directions are formed on the two sides of the notch, and a mounting port is formed between the two bending parts; the magnetic sensor is arranged in the installation opening in a penetrating mode, the two ends of the magnetic sensor are connected with the two bending parts respectively, the two sensing elements are arranged at the two opposite ends of the magnetic sensor respectively, and the two sensing elements correspond to the two resistors one to one. According to the utility model, the sensing elements and the corresponding resistors are arranged at the included angles, so that the magnetic induction lines can vertically or horizontally penetrate into the corresponding sensing elements, and the sensing elements can directly sense the magnetic induction lines instead of sensing through components of the magnetic induction lines, thereby further improving the sensitivity to a magnetic field.
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