Waterproof and breathable film pasting structure

• Main Author: LIN ZONGWEN
• Format: Patent
• Language: Chinese; English
• Published: 10.12.2021
• Subjects: BLASTING; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; TRANSPORTING; WEAPONS

A waterproof and breathable film structure is suitable for an exhaust hole (110) of a lamp shell (100), the waterproof and breathable film structure comprises a sheet-shaped body (10), the body (10) is provided with a waterproof layer (11), a breathable layer (12) and an attaching layer (13), the waterproof layer (11) is arranged on the breathable layer (12) and completely shields one side face of the breathable layer (12), the attaching layer (13) is provided with a hollow breathable area (14), the attaching layer (13) is arranged on the breathable layer (12), and the breathable layer (12) is arranged on the breathable area (14). When the body (10) is bonded to the lamp housing (100) through the bonding layer (13), the ventilation area (14) is relatively communicated with the exhaust hole (110), so that external moisture can be effectively prevented from entering the lamp housing (100), high-temperature air pressure inside the lamp housing (100) can be released, hot air pressure inside the lamp housing (100)