基于低壓成套開關(guān)設(shè)備的淋雨試驗(yàn)裝置研究
邵杰敏,呂治國(guó),張進(jìn)水,岳寶強(qiáng)
(天津市產(chǎn)品質(zhì)量監(jiān)督檢測(cè)技術(shù)研究院電工技術(shù)科學(xué)研究中心,天津 300232)
摘 要:為驗(yàn)證低壓成套開關(guān)設(shè)備是否滿足 IPX1、IPX2 防護(hù)等級(jí)要求,設(shè)計(jì)了一種模擬大氣淋雨的滴水試驗(yàn)裝置。此裝置主要采用承重鋼結(jié)構(gòu)穩(wěn)平架試驗(yàn)臺(tái)、智能遠(yuǎn)程控制系統(tǒng)、防堵滴水針板等,裝置承重鋼結(jié)構(gòu)穩(wěn)平架試驗(yàn)臺(tái)滿足載重需求,防堵滴水針板保持水量及水流效率,智能遠(yuǎn)程控制系統(tǒng)穩(wěn)定調(diào)節(jié)水量及平臺(tái)選裝角度,并結(jié)合 PID 控制算法進(jìn)行反饋調(diào)節(jié)。試驗(yàn)結(jié)果表明:該裝置實(shí)現(xiàn)了大型低壓成套開關(guān)設(shè)備 IPX1、IPX2 等級(jí)試驗(yàn)可靠高效,滿足 GB/T 4208—2017《外殼防護(hù)等級(jí)(IP 代碼)》要求。
關(guān)鍵詞:滴水試驗(yàn);大型低壓成套開關(guān)設(shè)備;防護(hù)等級(jí)
中圖分類號(hào):TM591 文獻(xiàn)標(biāo)識(shí)碼:A 文章編號(hào):1007-3175(2021)04-0052-04
Research on Rain Test Device Based on Low-Voltage Switchgear
SHAO Jie-min, LYU Zhi-guo, ZHANG Jin-shui, YUE Bao-qiang
(Tianjin Product Quality Inspection Technology Research Institute Electrical Engineering Technology Research Center, Tianjin 300232, China)
Abstract: In order to verify whether the low-voltage switchgear meets the requirements of IPX1 and IPX2 protection grades, a drip test device simulating atmospheric rain is designed. This device mainly uses load-bearing steel structure stable frame test-bed, intelligent remote control system, anti blocking dripping needle plate, etc. the load-bearing steel structure stable frame test-bed meets the load demand, the anti blocking dripping needle plate maintains water quantity and water flow efficiency, the intelligent remote control system stably adjusts water quantity and platform optional angle, and combines with PID control algorithm for feedback adjustment. The test results show that: the device realizes the IPX1 and IPX2 level test of large low-voltage switchgear, which is reliable and efficient, and meets the test requirements in GB/T 4208—2017“ Shell protection class (IP code)”.
Key words: dripping test; large-scale low-voltage switchgear; protection class
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