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Brake pedal device, opening degree detection method and device used for same

A technology of a brake pedal and a detection method, which is applied in the field of brake pedal device and opening detection device, can solve the problems of hidden danger of automobile, mismatch of sensor signals and high failure rate, so as to improve the safety factor, reduce the difficulty of calibration, and reduce the difficulty of calibration. Accurate motion effect

Active Publication Date: 2013-03-27
BEIQI FOTON MOTOR CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional brake pedal signal device often has defects such as unreasonable pedal sensor signal and mismatched sensor signal, which brings great safety hazards to the normal driving of the car.
Moreover, the signal sensing structure is more complicated, and the failure rate is higher
At the same time, because the signal cannot be fed back to the driver in time, the driver cannot intuitively understand the driving information of the vehicle.

Method used

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  • Brake pedal device, opening degree detection method and device used for same
  • Brake pedal device, opening degree detection method and device used for same
  • Brake pedal device, opening degree detection method and device used for same

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Embodiment Construction

[0049] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0050] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be two The internal communication of each element may be directly connected or indirectly connected through an intermediary. Those skilled in the art can understand the specific meanings of the above terms according to specific situations.

[005...

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Abstract

The invention discloses an opening degree detection method for a brake pedal of a hybrid electric vehicle. The method comprises the following steps of acquiring an opening degree analog quantity and a switching value signal of a brake pedal, wherein the switching value signal is used for driving a rear brake lamp; calibrating the opening degree analog quantity of the brake pedal by utilizing the switching value signal and identifying whether the brake pedal is stepped on; when the brake pedal is stepped on, matching the opening degree analog quantity of the brake pedal and a first reset section, if the opening degree analog quantity of the brake pedal is located in the first preset section, matching the opening degree analog quantity of the brake pedal with a second preset section; if the opening degree analog quantity of the brake pedal is located outside the second preset section, updating the opening degree analog quantity of the brake pedal; and calculating the opening degree value of the brake pedal according to the opening degree analog quantity of the brake pedal. The invention further discloses an opening degree detection device and a brake pedal device for the brake pedal of the hybrid electric vehicle; the safety coefficient of the brake pedal is improved, and the standard difficulty of the pedal is reduced.

Description

technical field [0001] The invention relates to the technical field of vehicle manufacturing, in particular to a brake pedal device, an opening detection method and an opening detection device for the brake pedal device. Background technique [0002] With the popularization of hybrid electric vehicles in people's life and work, the safety of hybrid electric vehicles has also received more and more attention. Brake pedal signal processing plays a vital role in the safety of the vehicle, and hybrid vehicles have certain differences from traditional vehicles in the processing of brake pedals due to their own characteristics. [0003] For hybrid vehicles with braking energy feedback function, the braking function is realized by two parts, one part is electric braking function, and this part of electric braking kinetic energy converts the energy generated by braking into electric energy storage through the braking force of the motor itself In the battery; the other part is the m...

Claims

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Application Information

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IPC IPC(8): B60T7/06G01B21/02G01M17/007
Inventor 韩斌孟涛邹海斌王婷王轶段艳晓
Owner BEIQI FOTON MOTOR CO LTD
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