<p><br></p><section class="_135editor" data-role="paragraph" style="max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp; &nbsp; 以上几种整纬装置,都需人工操作。由于布速太快,持续观察很易引起人眼疲劳,操作速度变慢,灵敏度下降,且劳动强度高,效率低。光电整纬器可以很好地解决这些问题。<br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; 光电整纬器将整纬直辊、弯辊、挠性辊组合起来,通过自动检测纬斜而进行整纬。它由光电检测器、控制器和执行机构三部分组成。如图2-30所示。</span></p><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; text-align: center; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><img src="http://dayaotex-img.gz.bcebos.com/article/fffspic/rzsb2032.png" _src="http://dayaotex-img.gz.bcebos.com/article/fffspic/rzsb2032.png" data-ratio="0.7241379310344828" data-w="551" style="margin: 0px; padding: 0px; cursor: pointer; width: 464.444px; max-inline-size: 100%; max-width: 100%; overflow-wrap: break-word !important; outline: none 0px !important; height: auto !important;"></p><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; 光电检测器一般有2只、3只或4只,分装于全幅内左、中、右或左右位置。每台光电检测器由检测发光头和光电检测接收头组成,分装于织物正反面。检测发光头由光源和透镜组成。<br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; 有的发光头光源可分两档,按织物厚薄、纬密、颜色等情况选用。光电检测接收头由遮光片、圆柱形透镜、狭缝片、硅光电池组成,它是一组光学元件。每只狭缝片上有按横单或双八字形分布的狭缝,单八字形狭缝以±6°为多,双八字形狭缝有±6°和±10°、±4°和±9°、±7°和±14°几种,合适的角度能提高检测精度和扩大检测范围。<br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; 当检测发光头射出的平行光线透过移动着的织物,进入信号接收头,投射到硅光电池上时,如无纬斜,则各硅光电池接收的光量相等;如有纬斜,上下狭缝通光量变化,产生差异,各硅光电池产生不同的电信号,这些信号经放大、运算、调节后输入控制执行机构,由两台电动机带动整纬装置动作,达到整纬的目的。<br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; 光电整纬器的特点:<br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; (1)劳动强度低,生产率高。<br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; (2)能自动连续检查,灵敏度高,可以防止漏检,提高产品质量。<br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; (3)对厚密、深色等透光性差及斜纹织物整纬效果较差。<br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; (4)电气线路复杂,保全、保养要求高。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p></section><section class="_135editor" data-role="paragraph" id="autoparagraph" style="max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, sans-serif; font-size: 17px; caret-color: rgb(255, 0, 0); overflow-wrap: break-word !important; outline: none 0px !important;"></p></section>