波形输出：输出波形：梯形波、正弦波、三角波等，也可根据客户要求定制波形；
压力测量系统：
测量介质范围: 干燥常温净化压缩空气；
传感器测量范围：0～0.5Mpa；
测量精度: 量程测量精度0.25％F.S
控制精度：±2%F.S
灵敏度：响应速率<50ms
压力传感器使用温度范围： 0℃~80℃
长期稳定性(可靠性) 小于0.25％FS
波形控制系统
介质源 ：干燥常温高压压缩空气
控制方式：高频比例阀控制
<p>长城汽车股份有限公司内外饰研究院</p><table style="margin:auto auto auto 7px;padding:1cm 7px;border-collapse:collapse;" border="1" cellspacing="0" cellpadding="0"><tbody><tr style="height:176px;"><td width="85" style="padding:0cm 7px;border:1px solid #000000;width:85px;height:176px;background-color:transparent;"><p style="text-align:center;">进气歧管气体高低温压力循环疲劳试验机<span style="font-family:"cambria","serif";"></span></p></td><td width="558" valign="top" style="border-width:1px 1px 1px medium;border-style:solid solid solid none;border-color:#000000 #000000 #000000 #D4D0C8;padding:0cm 7px;width:558px;height:176px;background-color:transparent;"><p><span style="font-family:"cambria","serif";">4.4.7 </span>压力循环疲劳试验<span style="font-family:"cambria","serif";"></span></p><p>此试验只针对增压型进气歧管，一个测试周期<span style="font-family:"cambria","serif";">3s-4s,</span>将进气歧管各接头处封闭，充以<span style="font-family:"cambria","serif";">150kPa</span>压力，在<span style="font-family:"cambria","serif";">4.4.4</span>要求的<span style="color:black;font-size:14px;">温度为</span><span style="color:black;font-family:"helvetica","sans-serif";font-size:14px;">-40</span><span style="color:black;font-size:14px;">℃→</span><span style="color:black;font-family:"helvetica","sans-serif";font-size:14px;">+150</span><span style="color:black;font-size:14px;">℃</span>温度交变环境下，完成<span style="font-family:"cambria","serif";">10000</span>个周期，每周期分四阶段：<span style="font-family:"cambria","serif";"></span></p><p>第一阶段：<span style="font-family:"cambria","serif";">0.5s</span>内从<span style="font-family:"cambria","serif";">150kPa</span>冲压到<span style="font-family:"cambria","serif";">196kPa</span>；<span style="font-family:"cambria","serif";"></span></p><p>第二阶段：在<span style="font-family:"cambria","serif";">196kPa</span>保压<span style="font-family:"cambria","serif";">1.5s</span>；<span style="font-family:"cambria","serif";"></span></p><p>第三阶段：<span style="font-family:"cambria","serif";">0.5s</span>内从<span style="font-family:"cambria","serif";">196kPa</span>冲压到<span style="font-family:"cambria","serif";">150kPa</span></p><p>第四阶段：在<span style="font-family:"cambria","serif";">150kPa</span>保压<span style="font-family:"cambria","serif";">1.5s</span></p></td></tr></tbody></table><p> </p>
