{"type":"product","schema_version":"1.0","item_id":"100781953852","canonical_url":"https://tw.bid.yahoo.com/item/100781953852","title":"振動感測器 震動開關 常閉SW-420 報警喇叭震動感測器（5個/包） W313-3 [362983]","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-05-20T02:47:57.629Z","current_price":10,"original_price":null,"stock_status":"in_stock","available_quantity":26,"sold_quantity":4,"seller":{"id":"Y2831399681","name":"。BUY360。電子零件","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/f23e6476-b488-4931-89cd-1a0754d09d75.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/08e725b7-dbcd-4e8c-b509-be308dfa1ef6.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/e2532c9d-c089-4cdd-beb5-61923f8266cd.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null}],"description":"SW-420 報警喇叭 電動車 專用 震動感測器 振動開關\n\n    \n\n 產品資料：\n\n SW-420振動感測器\n產品特點：\n    1、本規格產品SW-420為單滾軸型全方位感應觸發開關,本產品可全方產感應不同方向的振動、傾斜。\n    2、當無振動或傾斜時，產品為閉路ON/OFF狀態，處於穩定狀態，當有振動或傾斜時,導電電阻增大或降低，產生電流脈衝信號，從而觸發電路。\n    3、本規格產品為完全密封式封裝，可防水、防塵。\n    4、本規格產品適用小電流電路的傾斜、震動感應觸發\n    SW-420（CLA-3）振動感測器是一種專為電動車、摩托車上的報警器開發的振動傳感元件。\n    因為它簡略了傳統的報警器上用的蜂鳴片、磁鐵加彈簧的複雜結構，因而近年在電動車報警器上廣泛應用。\n    本開關的原理是：平時任何角度開關都是接通狀態，受到振動或移動時，開關內導通電流的滾軸會產生移動或振動，從而導致通過的電流斷開或電阻阻值的升高而觸發電路。這種開關的特點是平時一般處於導通狀態耐振動時會短暫斷開，所以它的靈敏度很高，通過IC的設置，客戶可按自身產品的靈敏度要求作調整。\n\n   \n\n 實物拍攝：","shipping_methods":[{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"離島配送","fee":0,"currency":"TWD"},{"name":"萊爾富取貨付款","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","信用卡一次付清","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"2092104064","category_name":"電子零件/材料","breadcrumb":[{"id":"23336","name":"電腦、平板與周邊","url":"/tw/%E9%9B%BB%E8%85%A6%E3%80%81%E5%B9%B3%E6%9D%BF%E8%88%87%E5%91%A8%E9%82%8A-23336-category.html"},{"id":"2092072621","name":"耗材與線材","url":"/tw/%E8%80%97%E6%9D%90%E8%88%87%E7%B7%9A%E6%9D%90-2092072621-category.html"},{"id":"2092104064","name":"電子零件/材料","url":"/tw/%E9%9B%BB%E5%AD%90%E9%9B%B6%E4%BB%B6-%E6%9D%90%E6%96%99-2092104064-category.html"}],"view_count":0,"watch_count":2}