ÔÚ1000Íò´ÎÍÏÁ´µçÀµĶ¯Ì¬Ó¦ÓÃÖУ¬ÆÁÕÏÖÊÁϵĵ¼µçÂÊת±ä¹æÄ£ÐèÑÏ¿á¿ØÖÆÔÚºÏÀíÇø¼ä£¬ÒÔÈ·±£µç´ÅÆÁÕÏЧÄÜ£¨EMI Shielding Effectiveness£©ºÍ»úе¿É¿¿ÐÔ¡£ÒÔÏÂÊÇÒªº¦ÆÊÎö£º
1. ÆÁÕÏÖÊÁϵ¼µçÂʵĽ¹µãÒªÇó
µ¼µçÂÊ£¨¦Ò£©ÊÇȨºâÖÊÁϵ¼µçÄÜÁ¦µÄÒªº¦²ÎÊý£¬Ö±½ÓÓ°ÏìÆÁÕÏЧÄÜ¡£ÍÏÁ´µçÀµÄÆÁÕϲãÐèÖª×㣺
¸ßµ¼µçÐÔ£ºïÔÌÐźÅË¥¼õºÍµç´Å×ÌÈÅ£¨EMI£©¡£
¶¯Ì¬ÎȹÌÐÔ£ºÔÚÖظ´ÍäÇú¡¢Å¤×ªÀú³ÌÖУ¬µ¼µçÂÊת±äÐè¿ØÖÆÔÚÔÊÐí¹æÄ£ÄÚ£¬×èÖ¹ÆÁÕÏЧÄÜϽµ¡£
2. ³£ÓÃÆÁÕÏÖÊÁϼ°³õʼµ¼µçÂÊ
ÍÏÁ´µçÀµÄÆÁÕϲãͨ³£½ÓÄÉÒÔÏÂÖÊÁÏ£¬Æä³õʼµ¼µçÂʹæÄ£ÈçÏ£º
| ÖÊÁÏÀàÐÍ | µ¼µçÂÊ£¨¦Ò, %IACS£© | Ìصã |
|---|---|---|
| ¶ÆÎýÍË¿±àÖ¯ | 95%~101% | ¿¹ÇÖÊ´ÐÔÇ¿£¬µ¼µçÐÔ¿¿½ü´¿Í |
| ÂãÍË¿±àÖ¯ | 100%~102% | µ¼µçÐÔ×îÓÅ£¬µ«Ò×Ñõ»¯ |
| ÂÁ²¸´ºÏÆÁÕÏ | 60%~65% | ÖØÁ¿Çᣬ±¾Ç®µÍ£¬µ«µ¼µçÐÔ½ÏµÍ |
| ¶ÆÒøÍË¿±àÖ¯ | 103%~106% | µ¼µçÐÔ×î¼Ñ£¬µ«±¾Ç®¸ß |
3. 1000Íò´Î¶¯Ì¬²âÊÔºóµÄµ¼µçÂÊת±ä¹æÄ£
ÔÚ1000Íò´ÎÍäÇúÑ»·ºó£¬ÆÁÕÏÖÊÁϵĵ¼µçÂÊ¿ÉÄÜÒòÒÔÏÂÒòËر¬·¢×ª±ä£º
»úеƣÀÍ£ºÖÊÁϾ§¸ñ»û±ä»ò¶ÏÁѵ¼Öµ¼µçͨ·ÖÐÖ¹¡£
Ñõ»¯ÇÖÊ´£ºÂãÍÔÚʪÈóÇéÐÎÖÐÑõ»¯£¬ÐγÉÑõ»¯Í£¨CuO£©»òÑõ»¯ÑÇÍ£¨Cu?O£©£¬½µµÍµ¼µçÐÔ¡£
΢¹Û½á¹¹×ª±ä£ºÖظ´±äÐε¼ÖÂÖÊÁÏÓ²»¯»òÈí»¯£¬Ó°Ïìµç×ÓǨáãЧÂÊ¡£
µä·¶×ª±ä¹æÄ££¨»ùÓÚÐÐÒµ²âÊÔÊý¾Ý£©
| ÖÊÁÏÀàÐÍ | µ¼µçÂÊת±ä¹æÄ££¨%IACS£© | ת±äÔµ¹ÊÔÓÉ |
|---|---|---|
| ¶ÆÎýÍË¿±àÖ¯ | 92%~98% | ¶ÆÎý²ã±£»¤Í»ùÌ壬µ«ÍäÇú¿ÉÄܵ¼ÖÂÎý²ã΢ÁÑÎÆ |
| ÂãÍË¿±àÖ¯ | 85%~95% | Ñõ»¯ºÍ»úеƣÀÍÅäÏàÖúÓà |
| ÂÁ²¸´ºÏÆÁÕÏ | 55%~62% | ÂÁ²Ò׶ÏÁÑ£¬µ¼µçͨ·ÖÐÖ¹ |
| ¶ÆÒøÍË¿±àÖ¯ | 100%~104% | Òø²ã¿¹ÇÖÊ´ÐÔÇ¿£¬»úеƣÀÍÓ°Ïì½ÏС |
4. Òªº¦Ó°ÏìÒòËؼ°¿ØÖƲ½·¥
£¨1£©ÖÊÁÏÑ¡Ôñ
ÓÅÏÈÑ¡ÓöÆÎýÍ»ò¶ÆÒøÍ£º¶Æ²ã¿É×è¶ôÑõÆø£¬¼õ»ºÑõ»¯£¬Í¬Ê±¼á³Ö¸ßµ¼µçÐÔ¡£
×èÖ¹´¿ÂÁ»òµÍ´¿¶ÈÍ£ºµ¼µçÐÔµÍÇÒÒ×Æ£ÀͶÏÁÑ¡£
£¨2£©½á¹¹Éè¼Æ
ÓÅ»¯±àÖ¯Ãܶȣº±àÖ¯½Ç£¨Í¨³£45¡ã~60¡ã£©ºÍÁýÕÖÂÊ£¨¡Ý85%£©Ó°ÏìÆÁÕÏЧÄܺͻúеÊÙÃü¡£
¶à²ãÆÁÕÏ£ºÈç¡°ÂÁ²+ÍË¿±àÖ¯¡±¸´ºÏ½á¹¹£¬¼æ¹Ëµ¼µçÐÔºÍÈáÈÍÐÔ¡£
£¨3£©¹¤ÒÕ¿ØÖÆ
ÍË»ð´¦Öóͷ££ºÏû³ý¼Ó¹¤Ó²»¯£¬Ìá¸ßÖÊÁÏÈáÈÍÐÔ¡£
¶Æ²ãÔȳÆÐÔ£ºÈ·±£¶Æ²ãºñ¶È¡Ý5 ¦Ìm£¬×èÖ¹¾Ö²¿ÇÖÊ´¡£
£¨4£©ÇéÐÎ˳ӦÐÔ
·À³±Éè¼Æ£º½ÓÄÉ×èË®²ã»òÌî³äÎïÔÌË®·ÖÇÖÈë¡£
ÄÍιæÄ££ºÑ¡ÔñÇкϵçÀÂÊÂÇéζȵÄÖÊÁÏ£¨Èç-40¡æ~+105¡æ£©¡£
5. ±ê×¼Óë²âÊÔÒªÁì
IEC 62228-3£º»®¶¨ÆÁÕϲãµÄתÒÆ×迹£¨Transfer Impedance£©²âÊÔÒªÁ죬¼ä½Ó·´Ó¦µ¼µçÂÊת±ä¡£
ASTM D4566£ºÍ¨¹ý¶¯Ì¬ÍäÇú²âÊÔ£¨Èç1000Íò´ÎÑ»·£©ºó£¬ÕÉÁ¿ÆÁÕÏЧÄÜË¥¼õ£¨Í¨³£ÒªÇó¡Ü3 dB£©¡£
ÆóÒµÄڿرê×¼£º²¿·ÖÖÆÔìÉÌÒªÇóµ¼µçÂÊת±ä¡Ü5%£¨Ïà¹ØÓÚ³õʼֵ£©£¬ÒÔÈ·±£ºã¾Ã¿É¿¿ÐÔ¡£
6. ×ܽὨÒé
µ¼µçÂÊת±ä¹æÄ££º
ÓÅÖÊÖÊÁÏ£¨¶ÆÎý/¶ÆÒøÍ£©£º¡Ü5%£¨Èç´Ó100%IACS½µÖÁ95%IACS£©¡£
ͨË×ÖÊÁÏ£¨ÂãÍ/ÂÁ²£©£º¿ÉÄÜϽµ10%~15%£¬ÐèÉóÉ÷ÆÀ¹ÀÓ¦Óó¡¾°¡£
Òªº¦²½·¥£º
ÓÅÏÈÑ¡ÓöƲãÍË¿£¨Èç¶ÆÎýÍ£©£¬²¢¿ØÖƱàÖ¯ÃܶȡÝ85%¡£
ͨ¹ý¶¯Ì¬²âÊÔÑéÖ¤ÆÁÕÏЧÄÜË¥¼õ£¬È·±£ÇкÏIEC»òASTM±ê×¼¡£
Á¬ÏµÇéÐηÀ»¤Éè¼Æ£¨Èç×èË®²ã£©£¬ÑÓÉìÆÁÕϲãʹÓÃÊÙÃü¡£
¹ØÓÚ1000Íò´ÎÍÏÁ´µçÀ£¬ÆÁÕÏÖÊÁϵĵ¼µçÂÊת±äÐèÑÏ¿á¿ØÖÆÔÚ¡Ü5%ÒÔÄÚ£¬ÒÔά³Öµç´ÅÆÁÕÏЧÄܺͻúе¿É¿¿ÐÔ¡£½¨ÒéÑ¡Ôñ¶ÆÎýÍ»ò¶ÆÒøͱàÖ¯ÆÁÕÏ£¬²¢ÅäºÏ¸´ºÏ½á¹¹Éè¼Æ¼°¹¤ÒÕÓÅ»¯¡£
Ïà¹ØÄÚÈÝ
- YPFP ¶¡ëæÆÁÕÏÆÁÕϵçÀ ÑÌÃܶÈÆ·¼¶
- YRFP ¶¡ëæÆÁÕÏ»úеÈ˵çÀ ѻ·ÊÙÃü
- YVFB ±â¶¡ëæÈíµçÀ ÄÍÇéÐÎÓ¦Á¦¿ªÁÑ
- YVFR ³¬ÈᶡëæÈíµçÀ ÔØÁ÷Á¿²ÎÊý
- YVF22 îø×°¶¡ëæÈíµçÀ »¤Ì×É쳤ÂÊ
- YVFB ±â¶¡ëæÈíµçÀ ÄÍù¾úÐÔÄÜ
- JY ¾ÛÒÒÏ©µç»úÒý½ÓÏß ÄÍÇéÐοªÁÑÂÊ
- JYJ ½»Áªµç»úÒý½ÓÏß ¾øÔµÈÈÑÓÉìÂÊ
- PVC-2¡Á0.5 ÂÝÐýÏß ÔØÁ÷Á¿£¿
- TPE-16¡Á0.75 ÂÝÐýÏß ÄÍŤתÊý£¿