The waterproof principle and working mechanism of waterproof connectors

by | Oct 10, 2023 | Blog | 0 comments


China,Guangdong,Shenzhen,Building E, Xiashijia Second Industrial Zone (Lihao Aoda Science Park), Ma Tian Street, Guangming New District

EW-LP Series Device Connectors

The EW-LP20 series connectors are designed for high-precision, high-quality automatic insertion. With features such as self-locking device and waterproof and dustproof, it is widely used in various challenging environments.

In the field of modern technology, waterproof connectors play a vital role. They are widely used in various occasions with harsh environments and high humidity, such as outdoor equipment, medical equipment, automotive electronic systems, etc. The waterproof performance of waterproof connectors ensures the stable operation of electronic equipment in harsh environments. However, many people know little about the waterproof principles of waterproof connectors. This article will provide an in-depth introduction to the waterproofing principle and working mechanism of waterproof connectors, and reveal the secrets of this technology to readers.

1. Waterproof principle of waterproof connector

The waterproofing principle of waterproof connectors mainly includes two aspects: structural sealing and material protection.

Structural tightness

The structure of waterproof connectors is usually designed with multi-layer sealing to ensure that it maintains a stable connection despite the intrusion of moisture, dust and other external substances. Common structural sealing designs include O-rings, sealants, rubber gaskets, etc. These sealing components are precisely placed at key parts of the connector to form an effective isolation layer to prevent the penetration of external environmental media.

Material protection

Waterproof connectors usually use waterproof, dustproof, and anti-corrosion materials, such as silicone, fluororubber, polyurethane and other high-performance materials. These materials have excellent water and chemical resistance, maintaining their physical and chemical properties when underwater or exposed to chemicals.

2. Working mechanism of waterproof connector

The working mechanism of the waterproof connector mainly depends on its special structural design and material selection. Its working principle will be introduced in detail below:

Sealing structure design

The shell of a waterproof connector is usually composed of two or more parts, which are tightly fitted through a special structural design when connected. Sealing rings and sealants are embedded in the interface and connection parts of the connector. When the connector is inserted, these sealing components are compressed to form a sealing isolation layer. This structure ensures that the connector can still maintain good waterproof performance under the pressure of external liquid or gas.

Choice of waterproof materials

Waterproof connectors are typically made of materials with low water absorption, as well as excellent water and chemical resistance. Materials such as silicone, fluororubber, and polyurethane have these properties and are widely used in the manufacture of waterproof connectors. These materials can not only resist the erosion of water, but also resist the corrosion of chemical substances to a certain extent, ensuring the stability of the connector.

Waterproof performance test

During the production process, waterproof connectors usually need to undergo strict waterproof performance testing. These tests include water depth pressure tests, water spray tests, immersion tests, etc. Through these tests, manufacturers can ensure that the connector can still maintain stable connection performance and meet design requirements under different water pressures and water depths.

3. Application of waterproof connectors

The waterproof principle and working mechanism of the waterproof connector give it a wide range of application fields:

Outdoor electronic equipment

Outdoor electronic equipment, such as drones, cameras, mobile communication equipment, etc., usually need to work in rain or dusty environments. Waterproof connectors ensure proper operation of these devices in harsh weather.

medical instruments

Electronic equipment in medical devices, such as medical imaging equipment, patient monitors, etc., need to be used in disinfectant. The waterproof performance of the waterproof connector ensures that these devices will not be affected during the cleaning and disinfection process.

Automotive electronic systems

The electronic systems in modern cars are becoming more and more complex, and waterproof connectors are widely used in engine control systems, car lighting systems, instrument panels and other parts to ensure the safety of cars when driving on rainy days.

Aerospace field

In the aerospace field, waterproof connectors often need to work in high altitude and humid environments. The waterproof principle of waterproof connectors ensures the stable operation of aerospace equipment in extreme environments.

The waterproof principle and working mechanism of waterproof connectors is an important research field in modern electronic technology. Through exquisite structural design and appropriate material selection, waterproof connectors can maintain the stability of electrical connections in harsh environments. With the continuous advancement of science and technology, the waterproof performance of waterproof connectors will be further improved, providing more reliable protection for electronic equipment in various fields and promoting the continuous development of science and technology.


Submit a Comment

Your email address will not be published. Required fields are marked *

Subscribe to us!

Subscribe to us!

Subscribe to to get the latest product information and prioritize receiving free waterproof connector samples.

You have Successfully Subscribed!

Pin It on Pinterest

Share This