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汽车喇叭工作原理是什么?出现问题应该如何检修?

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Author:久巨自动化Source:久巨营销部


汽车喇叭工作原理是什么?


汽车喇叭是一种在驾驶时经常使用的装置。如果喇叭发生故障,则驾驶不方便。有时喇叭被按下,声音像蚊子,声音嘶哑,甚至没有一点声音。这是什么原因?如何检查故障?

汽车喇叭.jpg

我们先来看一下扬声器的工作原理。当按下方向盘上的喇叭按钮或其他位置时,来自电池的电流将通过电路流到喇叭继电器的电磁线圈,电磁吸引继电器的动触点开关将闭合,电流会流到号角。电流使喇叭内的电磁铁工作,使振膜振动并发出声音。


汽车喇叭出现问题应该如何检修?


根据维护经验,在与喇叭相关的许多故障中,当问题发生时,通常是喇叭本身的故障。特别是,一些汽车设计在喇叭的安装位置上存在缺陷,并且在下雨时很容易使喇叭被雨水弄湿,从而导致喇叭损坏。当喇叭不响时,常见故障位置不超过3点,即扬声器本身为、喇叭开关触点和扬声器线束。出现故障时,可以参考以下步骤进行检查。

汽车喇叭安装图.jpg

(1)有时喇叭开关没有响起。如果喇叭有时响,有时不响。喇叭开关内的大多数触点没有很好地接触,并且一些也是喇叭本身的问题。

(2)声音的声音嘶哑主要是由于插头接触不良,尤其是方向盘周围的各种触点。由于频繁使用,触点很容易磨损。

(3)根本检查保险丝是否烧坏,然后拔下扬声器,用万用表测量按下喇叭开关时是否有电。如果没有电,请检查扬声器线束和喇叭继电器;如果有电,这是喇叭本身的问题。此时,您还可以尝试调整喇叭上的调节螺母,看它是否能发出声音。如果它仍然没有响铃,则需要更换喇叭。


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Article classification: 电声自动化类问题
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Shenzhen hangshaC Shenzhen Jiujuok Industrial Equipment co., Ltd. (www.jiujuok.com) is  National High-tech Enterprise integrating R&D, manufacturing, and sales of the Dispensing equipmentMagnetization euipment, and Industrial Robot . Over the years, the company has been committed to product research and development and innovation, and has established long-term cooperative relations with a number of universities in China, such as Changsha university of science and technology.Obtained a number of national technology patents and passed "national authoritative testing, quality qualified products" firmly, won "China's independent innovation products" and other honors.The products are widely used in electronics (loudspeaker, mobile phone, computer), automobile, optical device, plastic products and other industries, and are widely favored by the market. Learn More


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