打开燃气热水器的时候有较大的异常啪啪声是什么原因

2025-03-17 02:17:02
推荐回答(1个)
回答1:

打开燃气热水器的时候有较大的异常啪啪声的原因可能有以下几点:

  1. 燃气热水器的高压线局部老化导致内部芯线外露,并与外壳产生高压放电现像,办脉冲点火器高压输出端接有高压电容,将脉冲交流变为高压直流输出,因电容在充电与放电之间有短暂的间歇,所以发出的声音是间断的啪啪声;

  2. 燃气热水器的高压脉冲点火器内部高压线圈,有局部打火放电现像,此现像的发生多数是因潮湿、或质量问题导致绝缘性能下降而至,高压放电时就会发出啪啪的响声;

  3. 燃气热水器水气联动阀出现问题时,虽然水关闭了,但气体顶针没有及时复位,导致气体短暂的持续输出,此时会因火焰在断水后继续燃烧而高温导致水箱在冷与热间瞬间变化,产生热胀冷缩的现像,从而发出异常的啪啪声响且声音特别大,同时声音中带有尖细的尾音。

针对上述故障的相对应解决办法:

  1. 拆机后,仔细检查脉冲点火器的高压输出线,是否存在局部老化或破损情况,如有及时用高压绝缘胶布进行粘合,并在外面套防火耐高温绝缘管;

  2. 检查脉冲点火总成,将其盖子拆下,会发看内部两个高压线圈,开机测试观察线圈是否有打火放电情况,最好让周围光线暗淡,便于观察。如有打火情况,应该及时更换全新的脉冲点火总成;

  3. 在使用中观察热水器在关闭水后是否火焰立即消失,如果存在没有立即消失情况时,可将水气联动阀气体阀顶针更换,有条件的话,直接更换水气联动阀整体,避免故障再次发生。

注意事项:燃气热水器与燃气灶一样具有危险性,如果出现故障应该及时请专业维修人员进行修理,避免因技术不成熟而造成故障扩大,得不尝失。

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