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當前位置：: 首頁 ? 資訊頻道 ? 新聞資訊 ? 行業動態 ? 防水試驗機iso20653標准中對汽車線束防水等級的定義是什麽?

防水試驗機iso20653標准中對汽車線束防水等級的定義是什麽?

【大中小】本文来源：嶽信责任编辑：嶽信發布日期： 2025-09-03

文章導讀 防水試驗機是一種用于檢測産品或材料防水性能的實驗設備，它通過模擬各種防水條件來評估被測對象的防水性能。本文將介紹關于防水試驗機iso20653標准中對汽車線束防水等級的定義：

防水試驗機是一種用于檢測産品或材料防水性能的實驗設備，它通過模擬各種防水條件來評估被測對象的防水性能。本文將介紹關于防水試驗機iso20653標准中對汽車線束防水等級的定義：

防水試驗機IPX1等級，定義爲防止垂直滴下的水滴侵入，需確保垂直滴落的水珠不會進入線束內部，影響其電氣性能。

IPX2等級，在IPX1基礎上提升防護範圍，即使線束傾斜15度，仍能防止垂直滴下的水滴侵入，適配車輛行駛中可能出現的輕微傾斜場景。

IPX3等級，針對雨水或從垂直方向夾角小于50度方向噴射的水，需阻擋這類水流侵入線束，常見于車輛露天停放或雨天行駛時的側面淋雨場景。

IPX4等級，防護能力進一步擴展，可防止各方向飛濺而來的水侵入，無論是車輛行駛中濺起的水花，還是日常清潔時的少量潑水，都不會對之都不會對汽車線束造成影響。

IPX5等級，能防止大浪或從噴水孔急速噴出的水侵入，需承受一定強度的水流沖擊，適配車輛涉水時的中等強度噴水場景。

IPX6等級，防護強度高于IPX5，可防止大浪或從強烈噴水孔噴出的水侵入，能應對更強勁的水流沖擊，比如高壓水槍的初步沖洗。

IPX6K等級，專門針對極高壓力的水射流沖擊，試驗時需使用內徑6.3mm的噴嘴，測試時間爲3min，噴射距離在2.5m-3m之間，需確保在此高壓水流條件下，線束內部不進水。

IPX7等級，定義爲防短時浸水，要求汽車線束在1米深的靜水中浸泡30分鍾，浸泡後內部不得進水，且能保持正常的電氣功能，適配車輛意外短時間涉水的場景。

IPX8等級，屬于防持續浸水等級，防護要求比IPX7更嚴苛，可在超過1米的水中長期浸泡，具體的浸水深度和持續時間需由線束廠家根據實際應用場景明確規定，常見于需長期接觸水的特殊車輛部件線束。

IPX9等級，針對高溫高壓噴水場景，試驗時使用80℃的高溫水，在8-10MPa的高壓條件下，從0.3米距離向線束所有表面噴射，需阻擋高溫高壓水流侵入，適配車輛高溫環境下的防水需求。

以上關于防水試驗機iso20653 標准中對汽車線束防水等級的定義介紹。

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