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Tin tức
Cách đấu nối dây điện cho đèn LED ngoài trời
Đấu nối dây điện cho đèn LED ngoài trời
Các bộ đèn LED luôn tồn tại bên trong một lượng không khí chứa độ ẩm nhất định. Bộ đèn nào có bộ vỏ (Housing) càng lớn thì chứa lượng không khí ẩm càng nhiều.
Ban đêm đèn được bật sáng, nhiệt lượng tỏa ra từ chip LED và bộ nguồn sẽ làm nhiệt độ trong bóng đèn LED tăng lên. Không khí ẩm sẽ được làm nóng lên – giãn nở – tạo ra áp suất cao hơn bên ngoài. Không khí lạnh, hơi ẩm từ bên ngoài sẽ có xu hướng len lỏi thâm nhập vào bộ đèn để cân bằng áp suất.
Hơi ẩm thâm nhập qua đường nào ?
Đó là qua đường dây cáp điện
thông qua các khe hở cực nhỏ giữa các sợi dây đồng vặn xoắn và vỏ PVC
hoặc giữa lớp cách điện PVC và vỏ bọc PVC.
Sự xâm nhập được gây ra bởi việc đấu nối dây không chuẩn.
Các trường hợp thường gặp:
- Dùng cách nối dây trong nhà sử dụng cho các đèn ngoài trời
- Quấn băng keo cách điện không kĩ hoặc không sử dụng loại băng keo cách điện chống nước ngoài trời (Vật liệu bằng Silicon, hoạt động ở nhiệt độ cao có khả năng chống ozone và tia UV cực tốt)
- Đấu nối sử dụng PG chống nước không đúng kĩ thuật (sử dụng PG quá lớn so với cỡ dây hoặc vặn không chặt làm tuột dây)
Dây điện bị hơi ẩm lọt vào làm lớp đồng của dây điện bị oxi hóa và chuyển sang màu đen
Cách tốt nhất và dễ nhất để ngăn ngừa việc thấm nước là cô lập trực tiếp
Sử dụng các bộ đấu nối chuyên dụng đã được các cơ quan chuyên môn thẩm định
Các thiết bị này thường đi kèm bộ đấu nối dây điện kín nước
Đây là bộ đấu nối cho đèn LED ngoài trời chuẩn IP68 có kèm RCBO chống giật tại các cửa trụ điện thép.
- Sử dụng hộp đấu nối kín nước. Ngoài ra còn có phụ kiện đấu nối kín nước vừa an toàn tiện lợi, không phải cắt dây mỗi khi cần bảo trì
Phân phối đèn led SRigel trên toàn quốc
SRigel nhà sản xuất đèn LED hàng đâu Việt Nam. Với phương châm “Chất lượng Nhật Bản – Giá Việt Nam”, chúng tôi không ngừng nghiên cứu và phát triển những sản phẩm tốt nhất và phù hợp nhất để cung cấp cho thị trường.
Hiện tại SRigel có văn phòng đại diện và xưởng sản xuất tại Tp.HCM. Tuy nhiên chúng tôi phân phối đèn LED Srigel trên mọi miền tổ quốc. Dù khách hàng ở miền Bắc, Trung hay Nam thì đều có thể dể dàng sở hữu sản phẩm. Qúy khách hàng muốn làm đại lý phân phối sản phẩm liên hệ với chúng tôi theo địa chỉ sau để được tư vấn:
- Hotline: 0911 400 770
- Email: srigel.com.vn@gmail.com
- Website: https://srigel.com.vn/
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