探头的前置器一般提供探头需要的电源,对信号进行放大、检波和滤波等。
电涡流位移传感器的探头线圈接受前置器振荡电路来的高频电流,在其周围产生高频磁场,该磁场穿过靠近它的转轴金属表面,在其中产生一个电涡流,该电涡流产生的磁场方向和线圈磁场方向相反,改变了原线圈的感抗,该感抗的变化随探头顶部金属表面的间隙变化而变化。
前置器检测电路检测探头线圈的感抗变化。再经放大电路将感抗变化量变换放大成相应电压变化信号输出。经监测仪进行转换,根据测量的要求将其输出电压的直流部分用做位移量的检测,交流部分用做振动值的检测。
在电感式接近传感器的应用中,CON011 9200-00001 探头及前置器客户常常受困于空间狭小而无法安装、零件细小而无法有效检测等情况,IMM小型接近传感器提供了该类型情况下的多种应用解决方案。
IMM小型接近传感器带着更丰富的尺寸选择、更远的检测距离、IO-Link通讯、可视化安装辅助等强势性能,给客户全新的使用感受。光学测距需求常见于3C产品装配、半导体加工等高精尖行业。这些行业对测距精度要求较高,通常是微米级,通过对距离的控制与监测实现对产品加工质量的正确控制。
相比于3C及半导体行业,这些新兴行业对于光学测距的精度要求相对较低,通常毫米级的重复精度即可满足客户需求,检测范围通常从50mm-2000mm不等。
高精度的光学测距传感器价格较高,CON011 9200-00001 探头及前置器性能远超客户需求,因此产生了一个产品与市场的GAP:
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CON011 9200-00001 探头及前置器
The front end of the probe generally provides the power required for the probe to amplify, detect, and filter the signal.
The probe coil of the eddy current displacement sensor receives high-frequency current from the oscillation circuit of the front end, generating a high-frequency magnetic field around it. The magnetic field passes through the metal surface near its rotating shaft, generating an eddy current in it. The direction of the magnetic field generated by the eddy current is opposite to the direction of the coil magnetic field, changing the inductance of the original coil. The change of the inductance varies with the gap on the top metal surface of the probe.
The front-end detection circuit detects changes in the inductance of the probe coil. Then, the inductance change is transformed and amplified into a corresponding voltage change signal output through an amplification circuit. After conversion by the monitor, the DC part of its output voltage is used for displacement detection and the AC part is used for vibration value detection according to the measurement requirements.
其他型号:
PR9376/010-011
MMS6120
| PR6423 PR6424
CON011 9200-00001
| PR6424/010-130+CON011
| PR6423/010-140+CON021
MMS3120/022-000
PR9268/300-000
MMS3120/022 -0009100-03047-01
MMS6823R 9100-00001-06
PR6423/010-000-CN+ CON021
PR6423
CON021/916-160
CON021
PR6424/003-030
CON021
PR6423/10R-030-CN
PR6423延长线
PR6423/002-030-CN+ CON021
PR6424/003-030+CON021
PR6424/003-030+CON021
| MMS6110
| MMS6210
PR6423/003-030-CN
PR9376/010-01 1
CON021
MMS3120/022-000
PR9376/20
| MMS6823
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