Vehicle brake disc water removal and heat dissipation device and control method

By integrating a brake disc dewatering and cooling device, the system utilizes airflow to remove water and dissipate heat, solving the problem of braking performance in rainy weather and high temperatures. This results in improved braking performance and efficient energy utilization, making the system adaptable to various driving environments.

CN121361438APending Publication Date: 2026-01-20DONGFENG MOTOR GRP
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Patent Information

Application Number
CN202511659847.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-13
Publication Date
2026-01-20

AI Technical Summary

Technical Problem

Existing braking systems suffer from reduced brake disc friction coefficients in rainy or high-temperature conditions, affecting braking performance. Furthermore, the limited installation space for brakes makes it difficult to arrange complex components.

Method used

An integrated brake disc dewatering and cooling device is designed, comprising a housing, a micro motor, an impeller, and a control unit. It dewaters and cools the brake disc through airflow and uses temperature, rainfall, and vehicle speed signals for intelligent decision-making to achieve precise control of dewatering and cooling.

Benefits of technology

It improves braking performance, avoids wear and water film effects caused by contact cleaning, achieves energy-efficient utilization and maintenance-free operation, and adapts to various driving environments.

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Abstract

The invention provides a water removal and heat dissipation device for a vehicle brake disc and a control method, and belongs to the technical field of automobile brake systems, the device comprises a shell, an air inlet and an air outlet are formed in the shell, and the shell is provided with a mounting structure used for attaching the device to vehicle brake calipers; the power module comprises a micro motor arranged in the shell; the impeller is arranged in the shell, is driven by the micro motor to rotate and is used for generating airflow flowing from the air inlet to the air outlet, and the airflow is guided to the surface of the vehicle brake disc; the temperature sensing unit is arranged on the shell or in the shell and used for detecting the temperature of the brake disc area; and the control unit is electrically connected with the micro motor and the temperature sensing unit, and is configured to receive a vehicle speed signal, a rainfall related signal and a temperature signal of the temperature sensing unit from a vehicle network, and control starting, stopping and rotating speed of the micro motor according to a preset control strategy so as to execute water removal operation, heat dissipation operation or operation combining the water removal operation and the heat dissipation operation.
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