摘要:為了防止汽車剎車片頻繁使用造成溫度過(guò)高，設(shè)計(jì)了一款基于單片機(jī)的汽車剎車噴水降溫系統(tǒng)。該系統(tǒng)主要以AT89C52單片機(jī)為核心，由溫度檢測(cè)單元、降溫處理單元、報(bào)警顯示單元、人機(jī)接口單元構(gòu)成。該系統(tǒng)利用DS18B20一線總線型數(shù)字溫度傳感器、結(jié)合AT89C52單片機(jī)、LED顯示模塊、人機(jī)交互界面、以及采用微型水泵對(duì)剎車片進(jìn)行降溫處理。

　　　本文主要從硬件和軟件兩方面介紹了AT89C52單片機(jī)溫度控制系統(tǒng)的設(shè)計(jì)思路，說(shuō)明如何實(shí)現(xiàn)通過(guò)噴水給剎車片降溫。論文的主要內(nèi)容包括系統(tǒng)方案選擇、元器件選擇、硬件設(shè)計(jì)、軟件設(shè)計(jì)等，并在軟硬件都完成的情況下實(shí)現(xiàn)了初步的系統(tǒng)調(diào)試，文中還介紹了在單片機(jī)溫度控制系統(tǒng)的軟硬件設(shè)計(jì)中的一些主要關(guān)鍵技術(shù)環(huán)節(jié)。實(shí)際系統(tǒng)運(yùn)行表明該系統(tǒng)工作穩(wěn)定，操作方便，成本低廉，課題得以成功實(shí)現(xiàn)。

關(guān)鍵詞：汽車剎車噴水 AT89C52單片機(jī) DS18B20溫度傳感器 LED 微型水泵

ABSTRACT:In order to prevent the car brakes＇Temperature is too high, so I Designed automobile brake water cooling system.The system is mainly to AT89C52 microcontroller as the core, the temperature detection unit, cooling processing unit, the alarm display unit, a human interface units.The system uses DS18B20 line bus digital temperature sensor, combined with the AT89C52 microcontroller, LED display module, the man-machine interface, and the use of micro-pumps for brake pads for cooling treatment.

　　　This paper mainly describes the hardware and software aspects of the AT89C52 microcontroller temperature control system design ideas on how to achieve through the water spray to cool the brakes.The main contents include system program selection, component selection, hardware design, software design, and in the case of hardware and software have been completed to achieve the initial system debugging, the paper also describes the SCM temperature control system hardware and software design Some of the key technical aspects. Actual system operation shows that the system is stable, easy to operate, low cost, project implemented successfully.

Key Words：Brake spray；MCU；DS18B20 temperature sensor；LED；micro-pump