CN102005873A - 潜水电机无能耗防凝露方法 - Google Patents

潜水电机无能耗防凝露方法 Download PDF

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CN102005873A
CN102005873A CN2009100342756A CN200910034275A CN102005873A CN 102005873 A CN102005873 A CN 102005873A CN 2009100342756 A CN2009100342756 A CN 2009100342756A CN 200910034275 A CN200910034275 A CN 200910034275A CN 102005873 A CN102005873 A CN 102005873A
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submersible motor
motor
energy consumption
dewing
free
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CN102005873B (zh
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程春元
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Nanjing Nanlan Environmental Protection Industry Co ltd
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NANJING NANLAN ENVIRONMENT PROTECTION EQUIPMENT MANUFACTURING Co Ltd
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Abstract

本发明属于机械设备技术领域，具体涉及一种潜水电机绝缘稳定的无能耗防凝露方法。潜水电机装配的前道工艺是烘箱工艺，采用加热的方法使绕组内的水分蒸发；潜水电机组装后利用真空泵将电机腔内抽真空，然后注入压力为0.25-0.35MPa的氮气。本发明方法实施步骤简单易操作，绝缘稳定。

Description

潜水电机无能耗防凝露方法
技术领域：本发明属于机械设备技术领域，具体涉及一种潜水电机绝缘稳定的无能耗防凝露方法。
背景技术：目前国内潜水电机上采用的防凝露装置的原理是：当电机腔内有凝露发生时，防凝露装置将接通，信号传至控制柜中的专用保护器后，启动12V回路，电机发热后消除凝露。
上述防凝露装置的不足之处是：需要配套专用保护器且有能耗，造成了资源、能源的消耗。
发明内容：本发明的目的是为克服现有技术不足而提出的一种用于潜水电机的无能耗防凝露方法。
本发明是这样来实现的：潜水电机装配的前道工艺是烘箱工艺，采用加热的方法使电机定子绕组内的水分蒸发；潜水电机组装后利用真空泵将电机腔内抽真空，然后注入压力为0.25-0.35MPa的氮气。
本发明方法对电机定子绕组进行加热除湿并将电机腔抽真空后，电机腔内只含有微量的带水分子的空气，压力为0.25-0.35MPa的氮气的注入确保了空气不再进入电机腔。氮气是惰性气体，在震动、热和电火花作用下都较稳定，电机运行时产生的温升对氮气的性能也不会产生影响。这样就确保了绕组的绝缘电阻可始终保持在300MΩ以上，使电机能正常、可靠运行。
具体实施方式：下面结合实施例对本发明加以详细描述。
实施例：
必备设备：罗茨真空泵和氮气瓶。真空泵的规格型号为：ZJ-15，抽速151/s，功率：0.55kW。氮气压力为0.25-0.35MPa.
本实施例实施步骤：首先抽真空：电机组装后，电机腔外留有试气螺孔，将罗茨真空泵接至试气螺孔处，对电机腔进行抽真空。抽真空时间可视电机腔的大小与真空泵的抽速而定。
然后充氮气：将氮气瓶接至试气螺孔处，打开气阀进行充气，充气时间可视电机腔的大小与真空泵的抽速而定。
最后密封：将试气螺孔用螺塞密封。
本发明方法实施步骤简单易操作，绝缘稳定。

Claims (1)

1.一种潜水电机无能耗防凝露方法，其特征在于在潜水电机装配的前道工艺采用烘箱加热的方法使电机定子绕组内的水分蒸发；潜水电机组装后利用真空泵将电机腔内抽真空，然后注入压力为0.25-0.35MPa的氮气。
CN200910034275A 2009-09-03 2009-09-03 潜水电机无能耗防凝露方法 Active CN102005873B (zh)

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CN102005873A true CN102005873A (zh) 2011-04-06
CN102005873B CN102005873B (zh) 2012-09-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110806065A (zh) * 2019-11-05 2020-02-18 广州文冲船厂有限责任公司 一种电机的除湿方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3609783B2 (ja) * 2002-01-31 2005-01-12 株式会社東芝 回転電機の絶縁コイル製造方法
CN101235991B (zh) * 2007-08-14 2012-08-29 何长江 采用虹吸原理的自然冷源中央空调系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110806065A (zh) * 2019-11-05 2020-02-18 广州文冲船厂有限责任公司 一种电机的除湿方法

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Address after: 210000 Jinniu industrial concentration area, Nanjing City, Jiangsu Province, China (eight hundred bridges in Liuhe District)

Patentee after: Nanjing Nanlan Environmental Protection Industry Co.,Ltd.

Address before: 211500 Babaiqiao Development Zone, Liuhe District, Nanjing, Jiangsu Province

Patentee before: NANJING NANLAN ENVIRONMENTAL CO.,LTD.

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