Changzhou FHD electronics Co.,Ltd - patch buzzer, speaker

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PRODUCTS APPLICATION

Automotive Electronics

Intelligent Control Center

Orbit and Public Safety

New Energy Electric Vehicle

Specializing in the production of buzzer, speaker, alarm, microphone, acoustic component manufacture

Up to now, the company has 8 production lines such as SMD series, alarm series, ordinary electromagnetic and piezoelectric series and 2 horn automatic lines, and has 15 patent certificates. With the above advantages, the young Fuhongda moved into a new 5000 square meter factory in 16 years and started a new journey.

After-sales service

Professional R & D and production of various buzzer, alarm, microphone, ultrasonic devices and other products.

Custom Product

Customizing all kinds of products according to customer's needs

Products Processing

Batch production and processing of buzzer, alarm, microphone, ultrasonic device and other products.

Export

The company imports and exports all kinds of buzzer, alarm, microphone, ultrasonic device and other products.

After-sales service

Customer first, effective protection services for later products.

Buzzer->Piezoelectric active buzzer

Alarm BPC4020

Alarm

Alarm FHD-B60 series

Alarm

Alarm FHD-B70 series

Piezoelectric Passive Buzzer

Buzzer BP1790

News

What are the advantages of electromagnetic buzzer? What is it like?

What are the advantages of electromagnetic buzzer? What is it like? The advantages of electromagnetic buzzer are as follows: 1. Because there is no single-sided contact, it has a long service life and high reliability. Can be used continuously for more than 10000 hours. 2. No arc, no radio frequency noise, no interference to others. 3. No large vibration caused by loosening. 4. Accept the mastery of electronic circuits and let them produce all kinds of beautiful sounds, simulated sounds, and intermittent sounds. The tone is pure and not easily whitewashed by noise.

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electromagnetic buzzer are used in where?

The electromagnetic buzzer is a kind of buzzer, which is different from the piezoelectric buzzer. The electromagnetic buzzer is an electronic buzzer that uses an electromagnetic coil to act on the buzzer, and is used as a sounding device for electronic products.

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Electromagnetic buzzer related knowledge introduction

The electromagnetic buzzer consists of an oscillator, a solenoid, a magnet, a diaphragm and a housing. After being energized, the audio signal current generated by the oscillator passes through the electromagnetic coil, causing the electromagnetic coil to generate a magnetic field. The diaphragm periodically vibrates under the interaction of the electromagnetic coil and the magnet, thereby emitting sound.

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Passive electromagnetic buzzer

Source electromagnetic buzzer and passive electromagnetic buzzer. The internal structure of the active electromagnetic buzzer is equipped with an oscillation source. As shown in the following figure, if you take a low frequency of BUZZ pin, the electromagnetic buzzer will sound directly. The internal structure of the passive electromagnetic buzzer is no oscillation source

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Mobile two-dimensional code

0086-519-83822009

Mobile Phone: 008613813568186
Fax: 0519-88739926
Mailbox: eve.jiang@czfhd.net
Address: Zhenglu Town, Tianning District, Changzhou City, Jiangsu Province

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