WZD-2006C便携式制动性能测试仪是山东淄博霍尔电子技术有限公司自主研发的机动车制动检测设备。
便携式制动性能测试仪的工作原理:
主要由加速度传感器、智能化信息处理单元、制动踏板触点开关、微型打印机,无线接收器(选配)等部件构成。
本仪器是以外置式加速度传感器作为其探测元件,由制动踏板触点开关提供制动起始讯号(也可由智能化信息处理单元自动判断制动的起始讯号)通过对加(减)速度以及时 间的测量,经过微控制器的综合数据处理、运算,输出符合 GB7258-2004 《机动车运行安全技术条件》路试检验制动性能中规定的充分发出的平均减速度 (MFDD)、制动协调时间、制动初速度、制动距离等结果。并对测试结果依据标准规定的MFDD值,协调时间,是否出试车道,判定其测试是否合格(对拖拉机等农机类机型,测试结果依据制动距离值,判定其测试是否合格)。
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其他传感器 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAIAAABVCAYAAABjPTVrAAAABHNCSVQICAgIfAhkiAAAAAlwSFlzAAAOxAAADsQBlSsOGwAAABdJREFUKJFjYEAD/5lgrFHGKGNYMuAAAOFIAaRWuInaAAAAAElFTkSuQmCC)
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制动踏板开关![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACsAAAAICAYAAABgZQZYAAAABHNCSVQICAgIfAhkiAAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADlJREFUOI1jYBgFZIP/UIwVMNLRIcQAdIcy4uQMAoArVBnhBB5FgwoMqZBloaNDyAEogTlYHYs1xgHUTQYMTCwaoQAAAABJRU5ErkJggg==)
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加速度传感器
便携式制动性能测试仪的主要指标:
n 外形尺寸:205 x 145 x 55 mm
n 内置电源:使用 8节 1.2V 1200mAH镍氢电池 ,充满后可连续工作10 小时 以上,有电池电量三档显示
n 重 量:1 kg
n 通 讯:标准RS232接口,USB接口(选配),可以实现上位机 通信; Zigbee无线模块,实现数据无线传输(选配)
n 计算和显示充分发出的平均减速度 (MFDD )、制动协调时间、制动初速度和制动距离
n 可以选配热敏打印机或者针式打印机,可现场打印出测试报告,报告上包括日期、时间、车牌号、车型、装载情况和结论,还可采用zigbee无线局域网实现数据的无线传输,写入SQL Server数据库(选配),通过上位机软件查询、实现A4纸打印。
n 光感背光,随外界光线自动开启,240x128 大屏幕LCD液晶显示,全图形化中文菜单式操作
n 通过软件修正汽车“点头”效应造成的影响;安装方便、操作简便,可以由检验员独自完成检测
n 配有大容量存储器可存储 80组数据 ,关机后数据不丢失
自动保存上次测试设置的所有参数