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喇叭不响原因及检修 汽车维修常识

文章出处: 发表时间:2017-07-04 13:55:57

轿车喇叭是驾驭时运用频频的设备,假如运用时经常呈现单音、音质差,而且时好时坏,有时根本不响等毛病,给车主带来许多不便。轿车喇叭不响或许发出异响该怎么办?轿车喇叭怎么进行平时保护和自我检修喇叭呈现上述毛病时,应先区别是线路毛病还是喇叭自身的毛病。

The car horn is frequently use control equipment, if use often presents a single, poor quality, and good and bad, sometimes do not sound problems, bring a lot of inconvenience to the owners. The car horn does not ring perhaps send out different sound how to do? How to carry out the usual car speaker and self repair horn presents the above problems, the difference should be the first line fault or the speaker's own problems.
先来看看喇叭是怎么作业的。当按下方向盘上或别的方位的喇叭按钮时,来自蓄电池的电流会经过回路流到喇叭继电器的电磁线圈上,电磁线圈招引继电器的动触点开关闭合,电流就会流到喇叭处。电流使喇叭内部的电磁铁作业,从而使振荡膜振荡而发出声音。
Let's take a look at the speaker. When you press the steering wheel or other range of horn button, the current from the battery through the loop flow to the electromagnetic coil horn relay, movable contact switch electromagnetic coil to relay, the current will flow a speaker. The current makes the electromagnet inside the horn work, so that the oscillation film is oscillating and sound.
线路毛病主要为线路虚接,如:喇叭插头端子松动、喇叭继电器触点烧蚀、方向盘处喇叭开关接触不良等。但在许多喇叭毛病中,特别冬天呈现问题较多的是喇叭自身的毛病。
The main line of the circuit for the virtual connection, such as: speaker plug terminal loose, horn contact ablation of the relay, the steering wheel at the speaker switch contact is not good. However, in many problems in the horn, especially in winter, the problem is more of the speaker's own problems.
结合我们的运用环境等要素,喇叭自身的毛病主要为以下几个因素:
Combined with the use of our environment and other factors, the speaker's own problems are mainly the following factors:
1.触点烧蚀:假如长期按喇叭易形成喇叭触点烧蚀而发生阻抗,流过电磁线圈的电流减弱,电磁吸力降低无法招引衔铁带动膜片正常振荡,致使发音沙哑、甚至不响。但不断按喇叭时,若刹那间强电流经过阻抗依然能正常作业,所以会时好时坏。
1 contact ablation: if the long-term horn is easy to form the horn contact ablation and occurrence impedance, flows through the electromagnetic coil current weakens, electromagnetic force cannot attract iron moving diaphragm to reduce with normal oscillation, the sound hoarse, don't even ring. But according to the speaker, if a sudden strong current through the impedance can still work properly, so it will be good or bad.
2.密封不严易受潮:尽管喇叭内部是密闭的,但假如密封不严洗车时进入雾气或内部空间空气中有水蒸气,水蒸气很简单致使触点受潮无法正常作业。
2 seal is not easy to damp: Although the inside of the horn is closed, but if the seal is not strict when the car into the fog or the internal space of the air with water vapor, water vapor is very easy to cause the contact humidity can not work properly.
3.电磁线圈端子接触不良:有些喇叭内部电磁线圈漆包线端子接头是铝金属铆钉压接衔接的,非可靠焊接衔接,假如端头漆包线上的绝缘漆处理不净或铆钉压接不可靠很简单发生虚接毛病,致使喇叭作业不良。此种毛病是喇叭质量因素,无法修复,只能更换新件。
3 electromagnetic coil terminal contact: some internal horn electromagnetic coil enamelled wire terminal connector is aluminum metal rivet crimping connection, reliable welding connection, if the insulating paint processing net or rivet crimping unreliable simple virtual connection problems occur at the end of enamelled wire, resulting in adverse operation horn. This problem is the speaker quality factor, can not be repaired, only the replacement of new parts.
轿车喇叭运用中的注意事项:
Precautions in use of car horn:
1.洗车时切记避免喇叭被淋湿,发现喇叭进水赶快用风枪吹干。
1 remember to avoid the car horn was wet, found water quickly with the wind blowing the horn.
2.尽量不要总是长期按喇叭,这么简单形成喇叭触点过早烧蚀。
2 try not to always press the horn, so the formation of a simple horn contact ablation.
3.喇叭呈现毛病尽量寻求专业修理技师协助,不要盲目更换喇叭,容易形成不必要的浪费。
3 speakers to try to seek professional repair technicians to help, do not blindly replace the horn, easy to form unnecessary waste.
 


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