Novel pneumatic brake system for vehicle

Abstract

The invention discloses a novel pneumatic brake system for a vehicle. The system comprises a parking brake device, a front brake device, a rear brake device, a brake main valve and an air source device, wherein the parking brake device comprises a parking air storage barrel, a parking brake valve and a two-way check valve. The system is characterized in that: an electromagnetic valve control device is arranged on a pipeline between the parking air storage barrel and the parking brake valve or a pipeline between the parking brake valve and the two-way check valve and is connected with a control main machine for controlling the action of the electromagnetic valve control device. When a key switch is at an ACC gear, the action of the electromagnetic valve control device is controlled by detecting the speed of the vehicle and the closing condition of a vehicle door and then the pneumatic brake system for the vehicle is controlled to automatically brake, so that a driver is not required to make judgment or take other measures through personal ability and experience, the vehicle is prevented from abnormally started, the safety of passengers is further ensured, and accidents are greatly reduced.

Description

technical field [0001] The invention relates to a vehicle pneumatic braking system, in particular to a novel vehicle pneumatic braking system capable of automatic braking. Background technique [0002] The driving process of the vehicle is mainly a human operation process. In order to ensure that the mistakes of the vehicle are minimized during the driving process, we can mainly start from two aspects: one is to improve the professional quality of the driver and the reaction speed of the vehicle itself (that is, the vehicle can The first time to respond to the operation instructions issued), to avoid the loss of personnel and property due to operational errors; the second is to set up automatic programs on the vehicle to reduce the fatigue of the driver and make the driver concentrate on the road conditions. However, according to the requirements of the Ministry of Urban Construction's vehicle operation regulations and the current operating conditions of urban public transpo...

AI Technical Summary

Problems solved by technology

However, according to the requirements of the Ministry of Urban Construction's vehicle operation regulations and the current operating conditions of urban public transport vehicles, when the vehicle is stopped, the key switch is in the ACC position, and the door is opened or not closed, the abnormal start of the vehicle will be started, causing passengers to fall or clothes. There are also many accidents such as bags being trapped

In order to prevent the above situation, it is necessary to standardize the starting state of the vehicle during the process of getting on and off the passengers, and ensure that the vehicle can only start after the door is safely closed. The current control program of the vehicle is controlled by the driver, and it is inevitable that there will be operational errors. dangers, cannot better ensure the safety of passengers

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