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<b><span>一、概述:<span> <!--?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /--></span></span></b>
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<span><span> </span><span>◆测试项目:流量、转速、电流、功率、压力<span>(</span>扬程<span>)</span>、效率、温升;<span></span></span></span>
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<span><span>◆系统指标符合<span>GB/T3216-2005</span>《回转动力泵水力性能验收试验<span> 1</span>级和<span>2</span>级》和<span>GB/T12785-2002</span>《潜水电泵试验方法》;</span><span><br>
<span><span> </span></span></span><span>◆测试系统由<b>流量转速测试仪、压力扬程测试仪、单<span>/</span>三相电参数测量仪、带电绕组温升测试仪及<span>LWGY</span>涡轮流量传感器、压力变送器、压力表等组成</b>;<span></span></span></span>
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<span><span>◆精度:流量<span>±0.5%</span>、压力<span>±0.2%</span>、转速<span>±0.2%</span>、电压<span>±0.5</span>级、电流<span>±0.5</span>级、功率<span>±0.5</span>级、温度<span>±1</span>℃</span><span><br>
<span><span> </span></span></span><span>◆方案概述:用户根据水泵种类,选择开式试验或闭式使用装置<span></span></span></span>
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<span><span>●</span><span>开式试验选用水池,水池深度与总容积应根据水泵的型号和规格具体设计。<span></span></span></span>
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<span><span>●</span><span>闭式试验装置位于地面上,由气蚀筒、稳流筒、油气分离、匀压室、管路系统、真空表、真空泵、阀门(或电动阀门)等组成。<span></span></span></span>
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<span><span>◆应用场合:潜水泵、深井泵、离心泵、管道泵、自吸泵、化工泵、螺杆泵、家用增压泵、排污泵、汽车喷油泵、汽车洗涤器、汽车用冷却水泵、机动喷雾机、鱼缸泵、高压清洗机、洗衣机(洗碗机)、等水泵电机。<span></span></span></span>
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<span><span> </span></span>
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<b><span>二、系统功能:</span></b><span><span> </span></span>
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<span><span>1</span><span>、系统能对各种水泵进行性能试验和汽蚀试验。<span></span></span></span>
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<span><span>2</span><span>、系统能实时显示水泵的流量、入口压力、出口压力、轴的转矩、转速、轴功率、效率、扬程及水温。<span> </span></span></span>
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<span><span>3</span><span>、系统能自动判别并显示正负扭矩。<span> </span></span></span>
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<span><span>4</span><span>、系统能自动对转矩转速传感器进行温度修正。<span> </span></span></span>
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<span><span>5</span><span>、系统能对流量、进口压力、转矩、转速分别进行上、下限报警,报警值可任意设定。<span> </span></span></span>
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<span><span>6</span><span>、系统可以对测试数据自动进行存储。<span> </span></span></span>
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<span><span>7</span><span>、系统能实时显示采集数据和曲线。<span> </span></span></span>
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<span><span>8</span><span>、系统可任意设置曲线坐标值以满足各种水泵试验的需求。<span> </span></span></span>
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<span><span>9</span><span>、在试验过程中,如取到了坏点,允许删除和插入重做。<span> </span></span></span>
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<span><span>10</span><span>、系统对于各种参数的设置具有记忆功能,只需输入一次即可。<span> </span></span></span>
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<span><span>11</span><span>、系统具有历史数据回放功能,并且允许编辑、修改。<span> </span></span></span>
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<span><span>12</span><span>、系统可以通过打印机对测试结果进行数据、曲线的打印。<span> </span></span></span>
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<span><span>13</span><span>、系统的整个功能具有菜单和快捷键双重操作,在屏幕上均可得到汉字的提示,从而使得操作者感到极大的方便。<span></span></span></span>
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<span><span> </span></span>
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<b><span>三、技术指标:<span></span></span></b>
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<span><span>1</span><span>、流量测量精度:优于±<span>0.5%FS</span></span></span>
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<span><span>2</span><span>、流量测量范围:取决于流量传感器<span> </span></span></span>
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<span><span>3</span><span>、入口压力测量精度:优于±<span>0.2%FS</span></span></span>
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<span><span>4</span><span>、入口压力测量范围:取决于压力传感器<span> </span></span></span>
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<span><span>5</span><span>、出口压力测量精度<span>: </span>优于±<span>0.2%FS</span></span></span>
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<span><span>6</span><span>、出口压力测量范围:取决于压力传感器<span> </span></span></span>
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<span><span>7</span><span>、温度测量精度:±<span>0.5%</span></span></span>
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<span><span>8</span><span>、温度测量范围:<span>0~<!--?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /-->100<span><span>℃</span></span></span></span></span>
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<span><span>9</span><span>、转矩测量精度:±<span>0.5%FS</span></span></span>
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<span><span>10</span><span>、转矩测量范围:取决于转矩转速传感器<span> </span></span></span>
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<span><span>11</span><span>、转速测量精度:±<span>0.2%</span>±<span>1 </span>个字<span> </span></span></span>
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<span><span>12</span><span>、报警数值范围:任意设定上限和下限。<span></span></span></span>
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<span><span> </span></span>
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<b><span>四、方案配置与功能、示意图<span></span></span></b>
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<span><span>方案配置:本方案系统整体由仪表控制系统和管道系统(用户自备)组成。仪表控制系统由转速测试仪、压力扬程测试仪、三相电参数测量仪及<span>LWGY</span>涡轮流量传感器、压力变送器(进出口)、压力表、电磁阀、强电柜、系统整合柜以及(手)自动测试软件等组成。<span></span></span></span>
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<span></span><b><span><span>开式试验装置:<span></span></span></span></b>
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<span><span>1</span><span>、主要对潜水电泵进行出厂试验和型式试验。<span></span></span></span>
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<span><span>2</span><span>、水泵测试系统采用开式结构的标准试验装置,试验回路保证通过测量截面的液流具有轴对称的速度分布,等静压分布和无装置引起的旋涡。<span></span></span></span>
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<span><span>3</span><span>、开式水池位于地面上或地面下,水池深度与容积应满足最大流量水泵试验时不发生旋涡。<span></span></span></span>
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<span><span>4</span><span>、管路测量回路由测量管路、取压装置、流量传感器、调节阀、快速接头等组成。<span></span></span></span>
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<span><span>5</span><span>、泵扬程测量共用一套测量回路,指针式压力表同时显示,泵出口与测量管路的连接采用快速接头。<span></span></span></span>
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<b><span><span>闭式试验装置:<span></span></span></span></b>
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<span><span>1</span><span>、主要对各种离心泵、混流泵、轴流泵、旋涡泵的出厂试验、型式试验、汽蚀试验。<span></span></span></span>
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<span><span>2</span><span>、采用闭式结构的标准试验装置,试验回路保证通过测量截面的液流具有轴对称的速度分布,等静压分布和无装置引起的旋涡。<span></span></span></span>
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<span><span>3</span><span>、闭式试验装置位于地面上,由汽蚀筒、稳流筒、油气分离、匀压室、管路系统、真空表、真空泵、阀门(或电动阀门)等组成。<span></span></span></span>
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<b><span><span>配电电柜:<span></span></span></span></b>
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<span><span>1</span><span>、动力配电的容量应根据产品试验最大功率来选择。<span></span></span></span>
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<span><span>2</span><span>、试验电源可选择自耦式调压器、变频电源、软启动器或自耦启动器。<span></span></span></span>
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<span><span>3</span><span>、大功率水泵试验根据水泵最大电流大小,选配强电柜,电压档位<span>3300V/1200V/660V/380V/</span>和电流档位<span>500A</span><span>/300A/200A/100A/50A/5A</span>依次可选择,内置<span>0.2</span>级电流互感器(或电压互感器)。<span></span></span></span>
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<span><span> </span></span>
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<b><span>五、软件介绍:<span></span></span></b>
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<span><span> </span><span>自动测试水泵性能参数,形成水泵试验报告原始数据表,泵性能曲线图,测试结果汇总,其中性能曲线包括<span>P-Q</span>、<span>H-Q</span>、<span>E-Q</span>曲线和气蚀特性曲线<span></span></span></span>
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<span><span> </span><span> </span><br>
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<span><span> </span></span>
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