Hall signal acquisition circuit applied to electric supporting rod

• Main Authors: HE MINGMIN, WANG YANJUN
• Format: Patent
• Language: Chinese; English
• Published: 29.07.2022
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; GENERATION; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT; MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK; PHYSICS; TESTING

The utility model relates to a Hall signal acquisition circuit applied to an electric supporting rod. The Hall signal acquisition circuit comprises a Hall chip A and a Hall chip B, the Vout end of the Hall chip A is connected in parallel with a filter capacitor C1 and a divider resistor R1 and then is connected to the VCC end and the J3 end of the Hall chip A, a surge protection TVS tube D1 is connected in parallel between the VCC end and the GND end of the Hall chip A, and the GND end of the Hall chip A is connected with the J1 end; a Vout end of the Hall chip B is connected in parallel with a filter capacitor C2 and a divider resistor R2 and then is connected to a VCC end and a J3 end of the Hall chip B, a surge protection TVS tube D2 is connected in parallel between the VCC end and a GND end of the Hall chip B, and the GND end of the Hall chip B is connected with a J2 end; the J3 end is connected with a Hall power supply port J3-3 of the ECU through a wire harness, the J1 end is connected with an input por