Service
Home  -  Service - Working Principle of Snail Horns

Working Principle of Snail Horns

Jun 30, 2025

1. Overview

The snail horn is an upgraded version of conventional vehicle horns, featuring a spiral resonance chamber that enhances sound clarity and volume. Its unique design improves warning effectiveness, allowing other drivers to better judge the distance and direction of the sound source.


Constructed with high-quality, weather-resistant materials, snail horns are salt-proof, impact-resistant (against sand and stone debris), and capable of operating in extreme weather conditions.


2. Sound Generation Mechanism (Pulse Air Pressure System)

The snail horn operates on an electromagnetic vibration principle, converting electrical energy into sound waves through rapid diaphragm movement.


Working Process:

Activation:

When the driver presses the horn button, current flows through the contacts to the coil, generating a magnetic field.

The magnetic force pulls the armature, forcing the diaphragm steel plate to move.


Interruption & Reset:

The armature movement disconnects the contacts, cutting off the current and eliminating the magnetic field.

The diaphragm steel plate returns to its original position due to its elasticity and the spring’s restoring force.


Cycle Repeats:

The contacts close again, restoring the circuit and reinitiating the magnetic pull.

This continuous on-off cycle causes the diaphragm to vibrate rapidly, producing sound waves.


Sound Amplification:

The snail-shaped resonance chamber enhances the sound by directing and amplifying the vibrations.

The fan-shaped sound dispersion ensures wide and balanced acoustic coverage, making the horn more effective in alerting nearby drivers.


Working Principle of Snail Horns


3. Acoustic Characteristics

Sound Transmission: Fan-shaped wave propagation for better directional awareness.

Tone Quality: Smooth vibrations due to the rigid connection between the resonator and diaphragm, producing a clear and pleasant tone.

Durability: Resistant to corrosion, impacts, and extreme temperatures.


4. Applications

Vehicle warning systems (cars, trucks, motorcycles).

Emergency alert signals in noisy environments.

Industrial and marine use due to weather-resistant construction.


Conclusion

The snail horn’s electromagnetic pulse mechanism and spiral resonance chamber make it more effective than standard horns, providing louder, clearer, and more directional sound for improved road safety.

Latest Article
The Evolution and Importance of Acoustic Vehicle Alerting Systems (AVAS) in Modern Electric Mobility

September 04, 2025

Contemporary AVAS products exhibit numerous outstanding features: waterproof and dustproof designs for adaptability to harsh environments, a wide operating temperature range to ensure reliability under varying climatic conditions, and low-power operation to minimize impact on EV range.
Qufu TEMB Automotive Electric Shines at Frankfurt Exhibition in Ho Chi Minh City, Vietnam

June 30, 2025

June 19, 2025 – Qufu TEMB Automotive Electric Co., Ltd. (hereinafter referred to as "TEMB") showcased a range of innovative products and solutions at the 2025 Frankfurt Exhibition in Ho Chi Minh City, Vietnam.
Qufu TEMB Automotive Electric's New Factory Project Progress Update

June 30, 2025

The first phase of the project has currently entered the foundational raft slab and concrete pouring stage, with approximately 28% of the overall construction completed.
RELATED PRODUCTS
After Market Mechanical Snail Horn for car
After Market Mechanical Snail Horn for car
QC/T 30-2004 Technical Condition of Motor Vehicle Horn
DL125-100 12V 24V Waterproof  horn Emark OEM Auto Parts Accessories Horn
DL125-100 12V 24V Waterproof horn Emark OEM Auto Parts Accessories Horn
GB 15742-2001 Speaker Performance Requirement for Motor Vehicle & Testing Methods
DL125-70  12V 24V Aluminum Copper Coil Waterproof Mechanical Disc Horn
DL125-70 12V 24V Aluminum Copper Coil Waterproof Mechanical Disc Horn
GB 15742-2001 Speaker Performance Requirement for Motor Vehicle & Testing Methods
DL133  Mechanical  SnailHorn OEM Auto Parts Accessories
DL133 Mechanical SnailHorn OEM Auto Parts Accessories
QC/T 30-2004 Technical Condition of Motor Vehicle Horn

Cookie Policy

By clicking “Accept All Cookies”, you agree to the storing of cookies on your device and to the associated processing of data to enhance site navigation, analyze site usage, and assist in our marketing and performance efforts.

+86 537 443 6058