Vehicle brake pedal inspection method and system and vehicle

Abstract

The invention discloses a vehicle brake pedal inspection method, which relates to the technical field of vehicle braking, and comprises the following steps: setting voltage analog quantity output by a brake pedal as a-b, a > 0, and b > a; the vehicle controller receives and monitors that the voltage analog quantity output by the brake pedal is x, and if x is smaller than a or x is larger than b, the vehicle controller outputs an emergency brake signal; if x is equal to a, the vehicle controller does not output the braking signal; if a < x < = b, the vehicle controller outputs a set braking signal; the invention further discloses a vehicle brake pedal checking system, the vehicle brake pedal checking system comprises a memory and a processor, the program of the vehicle brake pedal checking method is stored in the memory, and the processor can run the program in the memory; the invention further discloses a vehicle which comprises the vehicle brake pedal checking system, the brake pedal can be prevented from losing efficacy, and the safety of vehicle running is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle braking, and in particular to a vehicle brake pedal inspection method, system and vehicle. Background Art

[0002] Existing electric golf carts use active induction motor braking (ActiveInduction Motor

[0003] AIMB Brake, referred to as AIMB brake, replaces mechanical brakes; AIMB brake uses the characteristics of regenerative braking of AC asynchronous or synchronous motors to control the size of regenerative current through brake pedal signals, thereby controlling the size of regenerative braking force to brake the golf cart; therefore, it is very important to determine the failure of the brake pedal and take corresponding measures when failure occurs.

[0004] The brake pedal is usually an electronic pedal that outputs a voltage analog value (usually 0-5v) to the vehicle controller. The vehicle controller determines the size of the regenerative current based on the size of this voltage value, thereby determining the size of the motor braking force; however, if the brake pedal is broken, such as the brake pedal output line is broken, the vehicle controller does not receive the brake pedal signal, resulting in brake failure, the accelerator pedal continues to be effective, and the golf cart cannot slow down, causing danger. Summary of the invention

[0005] The purpose of the present invention is to provide a vehicle brake pedal inspection method, system and vehicle to solve the problems existing in the above-mentioned prior art, prevent brake pedal failure and improve the safety of vehicle driving.

[0006] To achieve the above object, the present invention provides the following solutions:

[0007] The present invention provides a vehicle brake pedal inspection method, comprising:

[0008] Set the voltage analog value of the brake pedal output to a~b, where a>0, b>a;

[0009] The vehicle controller receives and monitors the voltage analog quantity x output by the brake pedal. If xb, the vehicle controller outputs an emergency braking signal; if x=a, the vehicle controller does not output a braking signal; if a<x≤b, the vehicle controller outputs a set braking signal.

[0010] Preferably, a=0.5V, b=4.5V.

[0011] Preferably, if xb, the vehicle controller also outputs a brake pedal fault reminder signal.

[0012] The present invention also provides a vehicle brake pedal inspection system, comprising a memory and a processor, wherein the memory stores a program of the vehicle brake pedal inspection method as described above, and the processor is capable of running the program in the memory.

[0013] The present invention also provides a vehicle, comprising the vehicle brake pedal inspection system as described above.

[0014] Compared with the prior art, the present invention has achieved the following technical effects:

[0015] The present invention provides a vehicle brake pedal inspection method, system and vehicle, which sets the minimum value of the voltage analog quantity output by the brake pedal to be greater than 0, and monitors in real time through a vehicle controller whether the voltage analog quantity output by the brake pedal is within a set range. If the voltage analog quantity is lower than the minimum set value, a circuit fault of the brake pedal can be identified and an emergency braking signal can be output to prevent the brake pedal from failing and improve the safety of vehicle driving. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 The present invention provides a flow chart of a vehicle brake pedal inspection method. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] The purpose of the present invention is to provide a vehicle brake pedal inspection method, system and vehicle to solve the problems existing in the above-mentioned prior art, prevent brake pedal failure and improve the safety of vehicle driving.

[0020] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0021] Embodiment 1

[0022] This embodiment provides a vehicle brake pedal inspection method, such as Figure 1 As shown, the vehicle brake pedal inspection method includes: setting the voltage analog quantity output by the brake pedal to a-b, wherein a>0, b>a, specifically, a=0.5V, b=4.5V, or other values ​​that meet the requirements, which can be set according to the setting habits;

[0023] The vehicle controller receives and monitors the voltage analog value x output by the brake pedal. If xb (when the vehicle controller does not receive the voltage analog value signal of the brake pedal, the voltage analog value is treated as 0), the vehicle controller outputs an emergency braking signal, controls the vehicle to cancel the accelerator pedal function, and gives a regenerative braking current to brake the vehicle to a stop. At the same time, it can also output a brake pedal fault reminder signal to facilitate maintenance personnel; if x=a, the vehicle controller does not output a braking signal; if a<x≤b, the vehicle controller outputs a set braking signal.

[0024] The above-mentioned vehicle brake pedal inspection method sets the minimum value of the voltage analog quantity output by the brake pedal to be greater than 0, and monitors in real time through the vehicle controller whether the voltage analog quantity output by the brake pedal is within the set range. If the voltage analog quantity is lower than the minimum set value or higher than the maximum set value, the circuit fault of the brake pedal can be identified and an emergency braking signal can be output to prevent the brake pedal from failing, or the brake pedal fault can be identified in advance to improve the safety of vehicle driving.

[0025] Embodiment 2

[0026] This embodiment provides a vehicle brake pedal inspection system, including a memory and a processor. The memory stores a program of the vehicle brake pedal inspection method in the first embodiment, and the processor can run the program in the memory.

[0027] Embodiment 3

[0028] This embodiment provides a vehicle, including the vehicle brake pedal inspection system in Embodiment 2, wherein the vehicle may be a golf cart, electric car, electric bicycle, etc., equipped with AIMB brakes or other vehicles that control brakes with electrical signals.

[0029] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A vehicle brake pedal inspection method, characterized in that: include: Set the voltage analog value output by the brake pedal to a~b, where a>0, b>a; The vehicle controller receives and monitors the voltage analog quantity x output by the brake pedal. If xb, the vehicle controller outputs an emergency braking signal; if x=a, the vehicle controller does not output a braking signal; if a<x≤b, the vehicle controller outputs a set braking signal.

2. The vehicle brake pedal inspection method according to claim 1, characterized in that: a=0.5V,b=4.5V.

3. The vehicle brake pedal inspection method according to claim 1, characterized in that: If xb, the vehicle controller also outputs a brake pedal fault reminder signal.

4. A vehicle brake pedal inspection system, characterized in that: The method comprises a memory and a processor, wherein the memory stores a program of the vehicle brake pedal inspection method according to any one of claims 1 to 3, and the processor is capable of running the program in the memory.

5. A vehicle, characterized in that: It comprises the vehicle brake pedal inspection system as claimed in claim 4.

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