诚信熔接网厂

光纤熔接过程中你碰到过这些问题没有

Have you encountered any of these problems in the process of optical fiber fusion?

在日常弱电施工中，常常会碰到需要熔接光纤的时候，小编在这里列出了，我们熔接光纤过程中常见的几个问题，希望对大家有点帮助。

In the daily weak current construction, we often encounter the need to weld optical fibers. Here is a list of several common problems in the process of welding optical fibers. I hope it will be helpful to you.

1、熔接时接点有气泡或者裂纹

1. There are bubbles or cracks in the joints during welding.

出现这种情况可能是光纤切割不良，比如端面倾斜、有毛刺或者端面不清洁，需要重新清理光纤之后再进行熔接操作；还有一种情况就是防电电极老化，需要更换电极棒。

This may be due to poor optical fiber cutting, such as inclined end, burr or unclean end, need to re-clean the optical fiber before welding operation; there is also a case of anti-aging electrodes, the need to replace the electrode rod.

2、熔接过厚或者接点变细

2. Over-thick welding or thinning of contacts

熔接过厚、接点变粗常常是由于光纤馈入太多、推动过快造成的；熔接缩头、接点变细一般是馈入量不够、放电电弧太强造成的。这几种问题都需要调整电弧防电参数和光纤馈入参数。

Over-thick welding and coarsening of contacts are often caused by too much optical fiber feeding and too fast driving; fusion shrinkage and thinning of contacts are generally caused by insufficient feeding and too strong discharge arc. These problems need to adjust the parameters of arc protection and optical fiber feeding.

3、热缩后比热缩前损耗大

3. The loss after heat shrinkage is greater than that before heat shrinkage.

这种情况是由于光纤剥去保护套层后受到污染，熔接结束后热缩管紧缩时，残留的污染物（如微小砂粒）会压迫光纤，导致光纤变形，所以熔接损耗才会变大。这个时候需要重新清洁光纤、重新熔接。

This situation is due to the contamination of the optical fiber after stripping the protective cover. When the shrinkage pipe is tightened after welding, the residual contaminants (such as tiny sand particles) will compress the optical fiber, resulting in the distortion of the optical fiber, so the welding loss will increase. At this time, it is necessary to re-clean the optical fibers and re-weld them.

4、盘纤造成短纤或者损耗增大

4. Disk fibers cause staple fibers or increase wear and tear

光纤熔接结束后，在接头盒内固定的时候，应该轻拿轻放，保证光纤在最小弯曲半径以上。接头盒也要小心放置，避免受到挤压和碰撞。

After the fusion of optical fibers, when the joint box is fixed, it should be handled lightly to ensure that the opticalshuiliao.89ix.com guandaog.89ix.com fengguanx.89ix.com fengguanw.89ix.com fengguanz.89ix.com peidianguiw.89ix.com fibers are above the minimum bending radius. Joint box should also be carefully placed to avoid being squeezed and collided.

5、熔接处机械强度差，容易被折断

5. The mechanical strength of weld joint is poor and easy to be broken.

导致这种情况的原因比较多：

There are many reasons for this situation:

①光纤本身的质量不好；

The quality of optical fiber itself is not good.

②光纤切面不平整、导致熔接效果差；

(2) The uneven section of optical fibers leads to poor welding effect;

③熔缩接头方人员托盘卡槽时用力不当。

(3) improper force is exerted on the pallet chuck of the personnel of the fusion joint.

6、接续时出现负损耗

6. Negative loss occurs during succession

接续时出现负损耗，是在测试曲线上面出现向上的趋势。经常出现在模场直径大的光纤接续模场直径小的时候，因为模场直径小的光纤引导反向散射光的能力比模场直径大的光纤强。

Negative loss occurs in succession, which is an upward trend on the test curve. It often occurs when the diameter of the mode field is small, because the ability of the fiber with small mode field diameter to guide backscattering light is stronger than that of the fiber with large mode field diameter.

这种情况下，我们应该使用双向测试平均法来算出熔接点的真正损耗！

In this case, we should use the two-way test averaging method to calculate the real loss of the weld joint!