Electric vehicle accelerator switch

Abstract

The invention discloses an electric vehicle accelerator switch. The electric vehicle accelerator switch comprises a seat body, a magnetic sensor, a knob, an arc-shaped magnet and an upper cover, wherein the seat body is provided with an inner ring wall and an outer ring wall surrounding the outer side of the inner ring wall, and an arc-shaped concave is formed between the inner ring wall and outer ring wall; the magnetic sensor is arranged at the outer ring wall of the seat body and located in the arc-shaped concave; the knob has a through hole; the arc-shaped magnet is arranged at the outer side of the knob, located in the arc-shaped concave of the seat body and adjacent to the magnetic sensor; the upper cover covers the seat body and has a through hole, and one part of the knob passes through the through hole to expose outside the upper cover. The electric vehicle accelerator switch is capable of avoiding surge when accelerating or decelerating.

Description

technical field [0001] The invention relates to the field of electric scooter accessories, in particular to an electric vehicle accelerator switch. Background technique [0002] The current electric scooters on the market are different in the setting of the accelerator switch. One of the methods is to use a magnetic sensor (Hall sensor) to measure the magnetic force change of a rotating magnet to obtain an output waveform, and use the waveform to determine Acceleration or deceleration switch structure. figure 1 It is a schematic diagram showing the relative positions of a magnetic sensor (1) and an arc-shaped magnet (2) in the accelerator switch and the distribution state of the magnet Gauss line in a normal state. image 3 It is the corresponding position diagram of the accelerator switch operation angle and the Gaussian peak angle of the magnet. For convenience of description will figure 1 The positions of 45 degrees to 135 degrees of the middle arc magnet are equiangul...

AI Technical Summary

Problems solved by technology

If the angle θ between the starting point and the end point of the rotation of the existing throttle switch is 0 Defined as an operating angle, when the current accelerator switch is operated, the starting point and end point of its rotation will fall outside these two peaks, that is, the operating angle θ 0 will be larger than the angle between two Gaussian peaks, such as image 3 As shown, because the operating angle of the throttle switch is beyond the two peaks, the Gauss value of the magnet will have a Gauss line reversal before 45 degrees and after 135 degrees, and when the magnetic sensor (1) detects When such a situation is detected, a surge will be generated, which will make the acceleration or deceleration operation not smooth

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