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    	<div class="nyNewsDetail_Title"><h1>大功率扬声器可靠性测试方案</h1></div>
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            <span><img src="/skins/158899/images/date01.png" />更新时间：2023-11-13</span><span><img src="/skins/158899/images/hit.png" />点击次数：1104</span>
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            <p style="text-indent:32px;text-autospace:ideograph-numeric;text-align:center"><strong><span style="font-family: 宋体;font-size: 16px"><span style="font-family:Calibri">ZC5860</span><span style="font-family:宋体">扬声器可靠性测试系统</span></span></strong><strong></strong></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px">一、系统概述：</span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">ZC5860</span><span style="font-family:宋体">系列扬声器可靠性测试系统（</span><span style="font-family:Calibri">Loudspeaker Life Test System</span><span style="font-family:宋体">）是专业用于扬声器（或耳机）可靠性试验的设备。系统内置稳定的多种噪声信号源和数字滤波器，并对输出信号进行自动校准和测量；通过电脑定时记录试验时的电流、电压、阻抗和功率数据，能很好的分析扬声器的性能。</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px">二</span><span style=";font-family:宋体;font-size:14px">、主要特性：</span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">1. ZC5860</span><span style="font-family:宋体">扬声器可靠性试验系统具备中</span><span style="font-family:Calibri">/</span><span style="font-family:宋体">英文操作界面。</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">2.</span><span style="font-family:宋体">每组</span><span style="font-family:Calibri">12</span><span style="font-family:宋体">通道，单机柜</span><span style="font-family:Calibri">24</span><span style="font-family:宋体">通道的独立检测、报警功能。整个系统多可同时控制</span><span style="font-family:Calibri">4</span><span style="font-family:宋体">个机柜</span><span style="font-family:Calibri">96</span><span style="font-family:宋体">个通道的扬声器可靠性试验。</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px">三</span><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">、在</span><span style="font-family:宋体">“额定功率"测试时，</span><span style="font-family:Calibri">ZC5860</span><span style="font-family:宋体">具备下述功能：</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">1.</span><span style="font-family:宋体">在测试过程中，能自动判别被测扬声器（或耳机）是否断线。当有断线发生，</span><span style="font-family:Calibri">ZC5860</span><span style="font-family:宋体">将停止该通道的试验，并记录断线时间。</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">2.</span><span style="font-family:宋体">在测试过程中，具备音圈温升测量功能，可选择表格显示法或曲线显示法来显示音圈的温度变化。（选装件）</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">3. ZC5860</span><span style="font-family:宋体">测试系统具有停电再恢复的功能。试验中，若遇停电，待市电恢复后，系统将自动回复运行。</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">四、</span><span style="font-family:Calibri">ZC5860</span><span style="font-family:宋体">具有如下的测试信号：</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">1.</span><span style="font-family:宋体">内置多种信号源：</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">白噪声（</span><span style="font-family:Calibri">White noise, 20Hz-20kHz, C.F.=2</span><span style="font-family:宋体">）</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">粉红噪声（</span><span style="font-family:Calibri">Pink noise, 20Hz-20kHz, C.F.=2</span><span style="font-family:宋体">）</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">IEC-60268 </span><span style="font-family:宋体">（</span><span style="font-family:Calibri">C.F.=2 </span><span style="font-family:宋体">符合中国、日本、德国、英国等多国标准）</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">ANSI/CEA 426B </span><span style="font-family:宋体">（</span><span style="font-family:Calibri">C.F.=2 </span><span style="font-family:宋体">符合美国标准）</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">正弦波</span> <span style="font-family:宋体">（</span><span style="font-family:Calibri">20Hz-20kHz</span><span style="font-family:宋体">，对数或线性扫描）</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">⒉可选择附加的程控滤波器</span><span style="font-family:Calibri">ZC6221</span><span style="font-family:宋体">，自行设定测试信号的频宽：</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">单台</span><span style="font-family:Calibri">12</span><span style="font-family:宋体">通道的功率放大器。每个机柜可配置</span><span style="font-family:Calibri">2</span><span style="font-family:宋体">台功放，具备</span><span style="font-family:Calibri">24</span><span style="font-family:宋体">个独立的输出测试通道。</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">每个通道的信号输出均受信号控制器单独控制，实测的输出电压显示在</span><span style="font-family:Calibri">PC</span><span style="font-family:宋体">屏幕上。</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">每个通道的低负载阻抗为</span><span style="font-family:Calibri">4</span><span style="font-family:宋体">欧，（</span><span style="font-family:Calibri">4</span><span style="font-family:宋体">欧</span><span style="font-family:Calibri">-100</span><span style="font-family:宋体">欧）。</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px">每个通道均具备短路和过载保护。</span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">在正弦波信号输出时，每个通道的大功率为：</span><span style="font-family:Calibri">60W</span><span style="font-family:宋体">。</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">在噪声信号输出时，每个通道的大功率为：</span><span style="font-family:Calibri">30W</span><span style="font-family:宋体">。</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px">五</span><span style=";font-family:宋体;font-size:14px">、系统配置及尺寸：</span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">1.</span><span style="font-family:宋体">系统由</span><span style="font-family:Calibri">19</span><span style="font-family:宋体">"标准机柜和外置计算机、显示器组成，每台</span><span style="font-family:Calibri">PC</span><span style="font-family:宋体">多可连接</span><span style="font-family:Calibri">4</span><span style="font-family:宋体">个机柜，共计</span><span style="font-family:Calibri">96</span><span style="font-family:宋体">个独立测试通道。</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">2.</span><span style="font-family:宋体">每个机柜由信号源控制器（</span><span style="font-family:Calibri">1</span><span style="font-family:宋体">台）、测试控制器（</span><span style="font-family:Calibri">2</span><span style="font-family:宋体">台）、数控滤波器（</span><span style="font-family:Calibri">1</span><span style="font-family:宋体">台，选装件）、</span><span style="font-family:Calibri">12</span><span style="font-family:宋体">通道功放（</span><span style="font-family:Calibri">2</span><span style="font-family:宋体">台）、测试盒（</span><span style="font-family:Calibri">2</span><span style="font-family:宋体">个）组成。</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">3.</span><span style="font-family:宋体">机柜尺寸：</span><span style="font-family:Calibri">600mm (</span><span style="font-family:宋体">宽</span><span style="font-family:Calibri">) &nbsp;&nbsp;* 1600mm</span><span style="font-family:宋体">（高）</span><span style="font-family:Calibri">* 800mm (</span><span style="font-family:宋体">深</span><span style="font-family:Calibri">)</span><span style="font-family:宋体">。</span></span></p><p style="text-indent:28px;text-autospace:ideograph-numeric"><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">4.</span><span style="font-family:宋体">《中策仪器扬声器可靠性试验软件系统》 可以运行在</span><span style="font-family:Calibri">winXP</span><span style="font-family:宋体">或</span><span style="font-family:Calibri">win7</span><span style="font-family:宋体">操作系统下。</span></span></p><p style="text-align: center"><img src="https://img42.chem17.com/9/20231113/638354672529605105803.png" style="max-width: 800px; max-height: 300%; width: 335px; height: 166px;" title="1db9ead5-0d15-4be5-943f-6bb947007d04.png_104xaf.png" width="335" height="166"/></p><p style="text-align: center"><img src="https://img60.chem17.com/9/20231113/638354672663194588637.png" style="max-width: 800px; max-height: 300%; width: 245px; height: 184px;" title="2ac84324-af6c-43bc-90f9-a7fe96ee0e70.png_104xaf.png" width="245" height="184"/></p><p><br/></p> 
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