CN102635386A - 警示抽风筒 - Google Patents

警示抽风筒 Download PDF

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Publication number
CN102635386A
CN102635386A CN2012101127903A CN201210112790A CN102635386A CN 102635386 A CN102635386 A CN 102635386A CN 2012101127903 A CN2012101127903 A CN 2012101127903A CN 201210112790 A CN201210112790 A CN 201210112790A CN 102635386 A CN102635386 A CN 102635386A
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caution
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耿明生
黄庆瑞
赵勇
王进平
梁学东
杨竟民
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State Grid Corp of China SGCC
Taiyuan Power Supply Co of Shanxi Electric Power Co
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Taiyuan Power Supply Co of Shanxi Electric Power Co
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Abstract

警示抽风筒属于通风换气设备技术领域。其形如喊话喇叭，顶边是夹丝卷边，躯部为红色，有夜光警示带等标志，底部有底座，底座下有子口。插在窨井井口上，靠暗沟内外冷热空气的容重差产生的吸力抽风。用于暗沟内设备安检除障时通风降温和丢失井盖的窨井示警。

Description

警示抽风筒
技术领域 通风换气设备。
背景技术 现代城市的生产生活设施，有的设在地下暗沟里，如电力电缆和暖气管道。这些暗沟里的设施需要定期安检和故障后维修。由于暗沟在地下修建，多数空间狭小，管线密布，又必须封闭，致使暗沟内湿热憋闷，甚至蓄积有害气体。现行打开窨井盖靠井口自然扩散暗沟里湿热浊气的办法，难以有效对暗沟通风换气。
发明内容 警示抽风筒要解决的技术问题是暗沟管线维护工期内的通风换气问题；其技术方案是在暗沟窨井口上临时装一形如喇叭理同烟囱的抽风筒。
警示抽风筒(附图)筒体1为锥台形筒；其顶边有夹丝卷边2；其躯部有夜光警示带3、夜光警句、夜光专业标志4和单位名称；其底部有底座5；底座5下方有子口6。
抽风筒抽气，理同烟囱。地下暗沟，特别是电力电缆暗沟内的气温高于外界气温，装上抽风筒后，抽风筒内腔与暗沟连通，其内气温也高于筒外气温。气温高容重小，气温低容重大；抽风筒内外空气的容重差使抽风筒产生吸力，且有相邻的窨井口进气，因此可以将暗沟内浊气抽出。
警示抽风筒用于通风换气时，应装在地势较高处的窨井口。平地使用时，暗沟上有数个窨井，隔一井装一个，保证一井口抽暗沟内浊气，一井口补充新鲜空气；但是，不装的井口旁要放置一个，以起警示作用。安装时，掀去窨井盖，使抽风筒子口6对准插入井口即成。
警示抽风筒用做丢失井盖的警示标志时，没井盖者必装。
警示抽风筒的优点有5∶1、换气降温，可以抽出暗沟内的热浊气，补入新鲜空气；经实测，可降低暗沟内气温5～15℃。2、节能环保，利用冷热空气的容重差产生的吸力换气降温，不耗能，不排放CO2，还省劳力。3、兼做警示，筒体涂警示红色并有数条夜光警示带，昼夜均能警示路人注意，防止意外。4、安放牢靠，抽风筒底座有子口嵌入窨井口，平推不动，避免移位后失去抽风警示作用。5、不易丢失，抽风筒体积大，也不好改做他用，避免不轨之人见生歹意。
附图说明 附图是警示抽风筒图。
具体实施方式 筒体1可用薄铁皮经钣金工艺制成或用塑料注塑制成。筒体1还可设加强筋加固。其外表面为红色警示色，有夜光警示带3、夜光警句、夜光专业标志4和单位名称等字样。警句横写，沿抽风筒表面两行，均布。大抽风筒夹丝卷边2近处还可设手提孔，提孔边夹丝卷边；或在底座5上加设铰连的凸字形提环。子口6直径配窨井口内径，一般为900mm。子口6高度以平推抽风筒时，子口6应能被窨井口挡住，不被推倾拔出。筒体1高850mm。筒体素线地夹角80°。夹丝卷边2内包铁丝外卷。手提孔孔边的夹丝卷边也是内包铁丝外卷。

Claims (4)

1.一种警示抽风筒，形如喊话喇叭，其特征是：a、简体(1)为红色锥台形；b、顶边有夹丝卷边(2)；c、躯部有夜光警示带(3)、夜光警句、夜光专业标志(4)和单位名称；d、底部有底座(5)；e、底座下有子口(6)。
2.根据权利要求1所述的警示抽风筒，其特征是：简体(1)躯部有加强筋。
3.根据权利要求1所述的警示抽风筒，其特征是：夹丝卷边(2)近处有手提孔，手提孔边夹丝卷边。
4.根据权利要求1所述的警示抽风筒，其特征是：底座(5)上有铰连凸字形提环。
CN2012101127903A 2012-04-10 2012-04-10 警示抽风筒 Pending CN102635386A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10589668B2 (en) 2017-02-10 2020-03-17 Michael Bean Caution indicator

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2119503U (zh) * 1992-03-31 1992-10-21 淮南矿务局潘集第一煤矿 套装玻璃钢风筒
CN1693587A (zh) * 2004-05-09 2005-11-09 郭凤海 便携式交通警示隔离墩
CN1876961A (zh) * 2006-07-05 2006-12-13 德胜（苏州）洋楼有限公司 道路警示标识
US20090288727A1 (en) * 2008-05-22 2009-11-26 Lars-Ingvar Nordstrom Tube of fabric reinforced pvc
CN201407064Y (zh) * 2008-10-23 2010-02-17 杨祝康 具反光作用的导风筒
CN201546745U (zh) * 2009-12-04 2010-08-11 山东普瑞聚能达科技发展有限公司 抗炮崩复合材料硬质风筒
CN101886548A (zh) * 2010-07-28 2010-11-17 淮南润成科技有限公司 聚氨酯复合材料风筒和其制造方法
CN202628156U (zh) * 2012-04-10 2012-12-26 山西省电力公司太原供电分公司 警示抽风筒

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2119503U (zh) * 1992-03-31 1992-10-21 淮南矿务局潘集第一煤矿 套装玻璃钢风筒
CN1693587A (zh) * 2004-05-09 2005-11-09 郭凤海 便携式交通警示隔离墩
CN1876961A (zh) * 2006-07-05 2006-12-13 德胜（苏州）洋楼有限公司 道路警示标识
US20090288727A1 (en) * 2008-05-22 2009-11-26 Lars-Ingvar Nordstrom Tube of fabric reinforced pvc
CN201407064Y (zh) * 2008-10-23 2010-02-17 杨祝康 具反光作用的导风筒
CN201546745U (zh) * 2009-12-04 2010-08-11 山东普瑞聚能达科技发展有限公司 抗炮崩复合材料硬质风筒
CN101886548A (zh) * 2010-07-28 2010-11-17 淮南润成科技有限公司 聚氨酯复合材料风筒和其制造方法
CN202628156U (zh) * 2012-04-10 2012-12-26 山西省电力公司太原供电分公司 警示抽风筒

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10589668B2 (en) 2017-02-10 2020-03-17 Michael Bean Caution indicator

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Application publication date: 20120815