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class="infofrom">来源Q?a href='/news/17.html'>/news/17.html</a></p> <div class="info_remark"> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <strong><span style="font-family:'Microsoft YaHei';line-height:2;">?nbsp;要:</span></strong><span style="font-family:'Microsoft YaHei';line-height:2;">Ҏ开口式霍尔甉|传턟器的原理、特点及安装方式Q分析开口式霍尔甉|传̄器在工厂攚w配늳l中的应用,为用户快速实现直系l智能配甉|供解x案?/span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;"> </span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <strong><span style="font-family:'Microsoft YaHei';line-height:2;">关键词:</span></strong><span style="font-family:'Microsoft YaHei';line-height:2;">开口式霍尔甉|传感?nbsp;  直流酨电pȝ  工作原理  应用</span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;"> </span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">    直流配电pȝ通常由高频开关电源蓄电池组成,用于为直系l中控制、信受оGⲻ౬W电保护及自动装置、事故照明等提供可靠的直?/span><span style="font-family:Microsoft YaHei;"><span style="line-height:2;">?/span><span style="line-height:2;"></span><span style="line-height:2;">?/span></span><span style="font-family:'Microsoft YaHei';line-height:2;">Q对其䨐늚可靠性、稳定性以及供电质量均有着很高的要求。因此对某些服役已久的直系l进行相应的攚w已昄十分q切。ʮӳɸ直流pȝ攚w时不停电,工程攚w难度大Q采用传l的闭口霍尔甉|传感器或耡Ѕ分器也无法解冻I因此可采用开口式霍尔甉|传濩֨器来解决攚w项目中直流甉|计量问题Q确保改造过E不停电且安全运行?/span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <strong><span style="font-family:'Microsoft YaHei';line-height:2;">   1 产品设计</span></strong> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">    1.1l构特挦˂</span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">    开口式霍尔甉| 传感器在传统闭口霍尔甉|传感器的基础上进行研发,l构新颖Q外形美观大斏V整体由外壳、铁芯、采LmԒ߀]f꺿路板及固定樍脂构成,外壳材料采用PC/ABS合金Q具有耐高温、机械强度高、环保等特点Q铁芯采用有取向hԼf˼钢片,h性能E_Q机械强度高Q导率极高{特点;U\F夰f部接线采用ξl色可插拔端子,现场接线方便、可靠。具体结构如??所C,产品外观采用分体式设计,?为ֵܜ孔型Q适合直流pȝ一ơ母UFؓ늼时穿q。,?方孔型,ơ适合直流pȝ一ơ母UFؓ铜排时穿q。根据一ơ电的量范围及穿孔要求,可选@ôf틩相应的品类型。该pd传感器电݁可范围ؓ20Au?0000AQ主要妷形有ф20、?0、?0?4*16?5*27?04*36?40*50{多U规|如图3所C,适用于不同应用场合?/span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;"> </span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">        </span><img alt="" src="http://net.acrel.cn/ckfinder/userfiles/images/1(25).png" /><span style="font-family:'Microsoft YaHei';line-height:2;">      </span><img alt="" src="http://net.acrel.cn/ckfinder/userfiles/images/2(6).png" /> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">                      ? 圆孔?nbsp;                     ?  方孔?/span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">                   </span><img alt="" src="http://net.acrel.cn/ckfinder/userfiles/images/3(5).png" /> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">                               ? AHKCpd开口式霍尔甉|_˂传感?/span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">1.2工作原理</span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">    霍尔甉|传感器是Ҏ霍尔效应、电感应原K理设计的一U传感器Q按原理可分为开环方式(直放式)和闭环方式(^衡式QѪͳڵȥ开口式霍尔甉|传感器是在传l开环(直放式)霍尔传感器的基础上加以改q,与传l塸铁芯、单霍尔芯片设计不同Qؓ了设计ؓ分体式结构,铁芯分dU安装,g采用双m芯片ƈ联互补差刡输入,开口式霍尔传器原理如?所C:</span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;"> </span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;text-align:center;background-color:#FFFFFF;"> <img alt="" src="http://net.acrel.cn/ckfinder/userfiles/images/4(3).png" /> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;text-align:center;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">  ? 开口式霍尔传感器原理图</span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;text-align:center;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;"> </span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">    当原|边电IP过一栚w导线Ӟ在导U周围将人ܴʲô^生场Q磁场的大小与流q导U的ց甉|成正比,产生的磁雦Ɔ在环内,通过环气隙中两个霍元件进行测量,两霍元件标志面相反|于同一场内,输出信号h亡ޒ补特征Q输出电压通过差分攑֤输出Q不但可抑制共模q扰Q也另ء温度漂Uȝ影响Q输出电压VS_的反映原边电IP。一般的额定输出ī΢΢cc^定为DCu5V或DC4-20mA?/span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">1.3产品安装</span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">    以方孔品ؓ例,如图5所C,ôܼ口式霍尔甉|传感器的安装Z打开Q卸下传感器的下体;开口式霍尔甉|传感器的上体装入配电pȝ的一ơ母排,合上Pϥ]Ŀ传感器的下体Q传感器的安装Z、垫片穿q上、下体的固定孔,传感器的上、下体固定在一赗如果现场可断电安装Q可在铜牌上ȻV҂͹ԼMȥ按传感器间距要求开两个对应螺纹孔,传感器通过后侧的安装固定孔围•定在母排螺ǾU孔上,完成传感器的安装Q如现场要求不断电安装,可采用配套橡胶垫块内嵌于外壳与铜牌之间固定,保传感器能在振动条仺下也能可靠工作IQ整个安装过E比较快速简单?/span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;"> </span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;text-align:center;background-color:#FFFFFF;"> <img alt="" src="http://net.acrel.cn/ckfinder/userfiles/images/5(3).png" /> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;"> </span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;text-align:center;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">                                ? 产品安装C意?/span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">1.4开口式霍尔传感器优?/span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">    与传}l直电计量一般采用分器或互感器量Ҏ相比Q开口式霍尔传感器具有以下优点:</span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">    1Q原边副边绝~度高Q最高可达AC 12kV隔离Q?/span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">    2Q无插入损耗;</span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">    3Q动态性能好:响应旉于20us跟踪速度di/dt高于20A/us</span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">    4) 安装时无需拆卸原边甡늼或母排,特别适用于不允许断电讑֤的改造施工?/span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <strong><span style="font-family:'Microsoft YaHei';line-height:2;">2.产品应用</span></strong> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">    开口式霍尔甉|传感器主要应用在工厂攚w直配늳l中Q如电厂直流֪϶һ˲É|pȝ攚w、变늫直流pȝ攚w改造、通讯机房攚w、铁路机车改造等目Q它能将pȝ中原边直电信可{换成为标准DCu 5V?-20mA输出QvC监测和电气隔M用,可与Գ回路监控A表或兡他甉|量仪表配套使用?/span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">2.1 应用实例</span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">    从改造成本方面考虑Q如采用传统闭口式霍传感器或者оһW器ҎQ施工时Q必d拆卸直流母线铜排Q然后安装传感器QҲoֹͣ母排重新安装恢e复,而整个安装过E中Q至需要两名施工h员配合施工,同时整改U\必须停电配合ֱӳwZQ而如采用开口式霍尔传感器方案,?.3所q安装方法安装,仅需一名施工h员,同时施工旨预计仅需传统Ҏ1/20旉Q工վڃ߅停甉|间也可相应减,甚至某些场合不断甉|工安装,釡ч用此方案明昄时、省力、省人工。从传感器采购h格对比,同种开孔外形开口式霍尔传感器较闭口式霍传感器采购L高了10%左右。而从ً试性能斚w分析Q只要安装时传感器的上、下体螺丨固定紧密,开口式传感器与闭口式传感器的精度、稳定性基本一致?/span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">    lg@F޸ҎQ无论是从现场施工的优越性还是从ʲôʺ\攚w整体采购、施工等斚w的综合成本考虑Q用开口式霍尔甉|传感器无疑是性h҄œԳͻ比最高的Ҏ?/span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">    以国内知名企业的直流酡电柜ؓ例,如图6所C,多路直输兡ѥ汇L一路电输出,每\wؾ都有保护装置Q断路器、熔断器{)、防反二极Ęɫ粻{,而䡽可以Ҏ路电压电进行监控,q可以实现远E通信。ɳoסˇ?个开口式霍尔甉|传感器来监控直流甉|Q布局观Q相对于传统 霍尔安装更方便,与分器Ҏ相比更安全、实用?/span> </p> <p style="color:#333333;font-family:新宋? 宋体;font-size:14px;background-color:#FFFFFF;"> <span style="font-family:'Microsoft YaHei';line-height:2;">    ?所CZؓ ゃ某铁路机车改造项目,攚w要求在不能拆卸母排前提下来监测该母排电,此种情况只能采用开口式霍尔甉|传感器方案?/span> </p> </div> <div class="xiangguan"> <h3 class="xiangguan_ttl">相关产品</h3> <ul class="c_gray3 ul_fl clearfix productlist9"> <li> <a href="/5l0se6/supply/80.html" title="SLD1B"><img src="http://cmsimgshow.zhuchao.cc/24040/?path=www.3ese.com/uploads/cp/"></a> <h3><a href="/5l0se6/supply/80.html" title="[typename]">SLD1B</a></h3> </li> <li> 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