With the accelerating process of urbanization, electronic doorbells have become more common in modern life. Although electronic doorbells are very common things, people do not know much about them. Let's learn about electronic doorbells together. It.
The reason why the electronic doorbell does not ring and the matters needing attention
First, electronic doorbells should be properly arranged at the time of installation. Generally, it is not recommended that friends install electronic doorbells around appliances with electromagnetic waves. This will affect the acceptance of electronic doorbell signals. Also, doorbells should not be installed on iron doors as much as possible. This will affect the effect of receiving signals. Being away from magnetic substances is also the main method of protecting the performance of electronic doorbells.
Second, friends can find that the underside of the electronic doorbell is in contact with the battery. If a problem occurs in the gasket, it will cause the electronic doorbell to not ring. It must be ensured that the gasket has been working. The electronic doorbell button also often malfunctions. The simplest adjustment method is to use alcohol to wipe the chip contact points.
Thirdly, the use of electronic doorbells will also cause crosstalk problems. This is mainly due to certain problems in the electronic doorbells. The electronic doorbell should be quickly removed when not in use, so as to avoid problems in the electronic doorbell line system. To solve the problem, only looking for professional personnel to perform maintenance can achieve good results, otherwise it will only make the electronic doorbell appear more and more problems.
Electronic doorbell principle 
How to choose the electronic doorbell
1. According to the performance selection, the buzzer-like pronunciation tone is cheap, the music-like sound is pleasant, and the music is sang long; the electromagnetic ringing sound is crisp and sweet, but the power consumption is relatively large. The doorbell (electromagnetic and The integrated circuit type) is superior to the rest of the sound; interested users can also purchase multi-function or music å®å’š double-tone doorbells.
2. According to the current selection, the power of the door bell is also useful for the battery. The battery-type power consumption is relatively large. AC power is generally divided into two types: high-voltage and low-voltage. When using a high-voltage (220 volt) type, pay attention to safety.
3. The quality choice, in addition to the clear and crisp sound required, the main choice of moderate sensitivity to avoid false triggering when used. Electromagnetic touch-bells should use two pieces of metal to sound and have a long reverberation.
Summary: The above is the small-series electronic doorbells for everyone to introduce the purchase of skills and electronic doorbell does not ring the reasons and precautions content, and hope to be able to effectively help everyone, more information, please pay attention to this site.
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