CN204648371U - 方型抽油烟机排风装置 - Google Patents

方型抽油烟机排风装置 Download PDF

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CN204648371U
CN204648371U CN201420453684.6U CN201420453684U CN204648371U CN 204648371 U CN204648371 U CN 204648371U CN 201420453684 U CN201420453684 U CN 201420453684U CN 204648371 U CN204648371 U CN 204648371U
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黄友阶
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WUHAN CHUANGXIN ENVIRONMENTAL PROTECTION ENGINEERING Co Ltd
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Abstract

本实用新型提供一种方型抽油烟机排风装置。包括有出风筒,所述的出风筒外部套装有方型的散风筒,散风筒为两端封闭,四个侧面开有散风孔的方型柱状结构;所述的出风筒端口连接有一个导风筒,导风筒也为方型柱状结构,安装在散风筒内部,导风筒的四个侧面均开有多个导风孔,导风筒的前端为封闭的内凹圆弧结构;所述的散风孔外安装有挡风板,挡风板通过支柱覆盖在散风孔上,并且和散风孔保留有80-150mm的间隙,保证风从间隙中排出。本实用新型结构简单、安装方便、能有效阻止烟气倒灌,与一般的排风装置相比具备挡风雨作用,使用寿命更长。

Description

方型抽油烟机排风装置
技术领域
本实用新型涉及家庭厨房抽排油烟设备,具体地指一种方型抽油烟机排风装置。
背景技术
抽油烟机是城镇居民每家每户必备的厨房排烟设备,居民在炒菜做饭时,主要通过抽油烟机将室内产生的油烟抽排到集中排烟管道或室外。但是,集中排烟管道存在很多缺陷,一是管道内长年累月无法清洗,油垢越积越厚,一旦遇到高温,便会引发火灾,严重的会烧毁整栋居民楼,给人民生命财产造成极大损失 ;二是管道内容易滋生蚊虫、苍蝇和老鼠,四处传播细菌和病毒,给人民健康带来危害 ;三是楼上楼下容易串气味,通常是楼下炒菜炒得欢,楼上闻味熏得烦。
为解决上述问题,科研人员设计了各种形式的油烟净化设备,其中采用离心式旋转滤网盘结构的环保型油烟净化机具有极强的拦截油烟能力,其对油烟的净化效果可达98% 以上,室内油烟经过该净化机处理后,可直接排往室外而不会对大气和外墙面造成污染,是传统抽油烟机的最佳更新换代产品。国家建设部等有关部门也正逐渐取消集中排烟管道,推广这种无需排烟管道的环保型油烟净化机。
然而,经过净化处理的烟气直接向室外排放也会遇到这样的问题 :当室外风力较大时,烟气容易倒灌回室内,导致油烟净化机的无用功增加,能耗增大。当前国家正大力推广节能环保型建筑,如墙体保温、双层中空玻璃等,但是厨房烟气倒灌所造成的空气对流可使建筑节能效果大打折扣,例如当北方冬天气温 -40℃多度时,或南方夏天气温 +40℃多度时,室内外空气对流给建筑保温带来的负面影响可想而知。因此,科研人员一直在努力寻求一种可以防倒灌风的装置来与上述环保型油烟净化机配套使用。
目前,市面上常见的防倒灌风装置有扇形防回风阀、活动百叶窗等。但当室外风向较乱时,扇形防回风阀几乎形同虚设,室外空气可以从其出口下方直接进入室内。而当室外风力较大时,油烟净化机很难将活动百叶窗完全吹开,从而影响排烟效果,即使用很大功率的抽风机将其百叶吹开,因为室外风阻很大,同样影响排烟效果,而且使能耗大大增加。
发明内容
本实用新型所要解决的技术问题是针对上述存在的不足,提供一种结构简单、安装方便、能有效阻止烟气倒灌的方型抽油烟机排风装置。
本实用新型解决其技术问题所采用的技术方案是:
方型抽油烟机排风装置,包括有出风筒,其特征在于:所述的出风筒外部套装有方型的散风筒,散风筒为两端封闭,四个侧面开有散风孔的方型柱状结构;所述的出风筒端口连接有一个导风筒,导风筒也为方型柱状结构,安装在散风筒内部,导风筒的四个侧面均开有多个导风孔,导风筒的前端为封闭的内凹圆弧结构;所述的散风孔外安装有挡风板,挡风板通过支柱覆盖在散风孔上,并且和散风孔保留有80-150mm的间隙,保证风从间隙中排出。
在上述方案中,所述的散风孔为矩形形状,散风筒的每一个侧面上均开有一个散风孔,散风孔的面积为散风筒侧面面积的1/3-1/2大小。
在上述方案中,所述的导风筒的直径小于出风筒的直径,采用缩口连接装置与出风筒连通,用于加快排风流速。
在上述方案中,所述的挡风板也为矩形形状,其轮廓尺寸大于散风孔尺寸20-50mm,挡风板为多个对称设置,保证每一个侧面的挡风板位置和大小相同,构成平衡结构。
本实用新型的有益效果在于:
本实用新型结构简单、安装方便、能有效阻止烟气倒灌,与一般的排风装置相比具备挡风雨作用,使用寿命更长。
附图说明
图1为本实用新型实施例整体结构图;
图中:1出风筒、2导风筒、3导风孔、4缩口连接装置、5散风孔、6挡风板、7散风筒。
具体实施方式
下面结合具体实施方式,对本实用新型作进一步的说明:
如图1所示的方型抽油烟机排风装置,包括有出风筒,所述的出风筒1外部套装有方型的散风筒7,散风筒7为两端封闭,四个侧面开有散风孔5的方型柱状结构;所述的出风筒1端口连接有一个导风筒2,导风筒2也为方型柱状结构,安装在散风筒7内部,导风筒的四个侧面均开有多个导风孔3,导风筒2的前端为封闭的内凹圆弧结构;所述的散风孔5外安装有挡风板6,挡风板6通过支柱覆盖在散风孔5上,并且和散风孔5保留有100mm的间隙,保证风从间隙中排出。
在本实施例中,所述的散风孔5为矩形形状,散风筒7的每一个侧面上均开有一个散风孔5,散风孔5的面积为散风筒侧面面积的1/3大小。
在本实施例中,所述的导风筒2的直径小于出风筒1的直径,采用缩口连接装置4与出风筒1连通,用于加快排风流速。
在本实施例中,所述的挡风板6也为矩形形状,其轮廓尺寸大于散风孔3尺寸20mm,挡风板6为多个对称设置,保证每一个侧面的挡风板6位置和大小相同,构成平衡结构。
以上说明仅为本实用新型的应用实施例而已,当然不能以此来限定本实用新型之权利范围,因此依本实用新型申请专利范围所作的等效变化,仍属本实用新型的保护范围。

Claims (4)

1.方型抽油烟机排风装置,包括有出风筒,其特征在于:所述的出风筒外部套装有方型的散风筒,散风筒为两端封闭,四个侧面开有散风孔的方型柱状结构;所述的出风筒端口连接有一个导风筒,导风筒也为方型柱状结构,安装在散风筒内部,导风筒的四个侧面均开有多个导风孔,导风筒的前端为封闭的内凹圆弧结构;所述的散风孔外安装有挡风板,挡风板通过支柱覆盖在散风孔上,并且和散风孔保留有80-150mm的间隙,保证风从间隙中排出。
2.如权利要求1所述的方型抽油烟机排风装置,其特征在于:所述的散风孔为矩形形状,散风筒的每一个侧面上均开有一个散风孔,散风孔的面积为散风筒侧面面积的1/3-1/2大小。
3.如权利要求1所述的方型抽油烟机排风装置,其特征在于:所述的导风筒的直径小于出风筒的直径,采用缩口连接装置与出风筒连通,用于加快排风流速。
4.如权利要求1所述的方型抽油烟机排风装置,其特征在于:所述的挡风板为矩形形状,其轮廓尺寸大于散风孔尺寸20mm或者50mm,挡风板为多个对称设置,保证每一个侧面的挡风板位置和大小相同,构成平衡结构。
CN201420453684.6U 2014-08-13 2014-08-13 方型抽油烟机排风装置 Expired - Lifetime CN204648371U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105214855A (zh) * 2015-09-18 2016-01-06 武汉创新环保工程孝感有限公司 一种新型的流体净化装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105214855A (zh) * 2015-09-18 2016-01-06 武汉创新环保工程孝感有限公司 一种新型的流体净化装置
CN105214855B (zh) * 2015-09-18 2018-03-27 武汉创新环保工程孝感有限公司 一种流体净化装置

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