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Common environmental performance indicators of Waterproof connector

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Time of issue:2021-06-18
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(Summary description)The current LED industry is widely used. Some products are used indoors, and some are used outdoors or in some harsh environments. If you connect outdoor LED products, you may need to use a Waterproof connector. Waterproof connector is divided into two parts, namely waterproof plug and waterproof cable.

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Common environmental performance indicators of Waterproof connector

Categories:Industry Information
Author:
Origin:
Time of issue:2021-06-18
Views:0

Information

The current LED industry is widely used. Some products are used indoors, and some are used outdoors or in some harsh environments. If you connect outdoor LED products, you may need to use a Waterproof connector. Waterproof connector is divided into two parts, namely waterproof plug and waterproof cable. The main function is to ensure normal and safe power supply and signal transmission in watery environments or harsh environments. It is now widely used in LED outdoor equipment and automation equipment. , Military field and other environments.

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Four main points of common environmental performance indicators: including humidity resistance, temperature resistance, salt spray resistance, vibration resistance and impact resistance.
1. Humidity resistance
The intrusion of moisture has a great influence on the insulation performance of the Waterproof connector, and it is easy to corrode metal parts. Constant humidity test conditions are 95% relative humidity (up to 98% according to product specifications), temperature +40±20oC, and the test time is at least 96h according to product specifications. The alternating damp heat test is more stringent.
2. Temperature resistance
At present, the highest working temperature of Waterproof connector is 200oC (except for high-temperature special connectors), and the lowest temperature is -65oC. When the Waterproof connector is working, the current generates heat at the contact point, resulting in a temperature rise. Therefore, it is generally considered that the working temperature should be equal to the ambient temperature plus the temperature of the contact point.
Three, salt spray resistance
When the Waterproof connector works in an environment containing moisture and salt, the electrochemical corrosion on the surface of its metal structural parts and contact parts will cause galvanic corrosion, which affects the physical and electrical properties of the connector. The salt spray test is to suspend the connector in a temperature-controlled test box and spray out a sodium chloride solution with a specified concentration with compressed air to form a salt spray atmosphere. The exposure time is specified by the product specification and is at least 48h.
Four, vibration and shock resistance
Vibration and shock resistance is an important performance of electrical Waterproof connector, especially in special application environments such as aviation and aerospace, railway and road transportation. It is an important indicator for testing the robustness of electrical connector mechanical structure and electrical contact reliability.