CN1100245C - 冰箱中冷冻室的风扇防护板 - Google Patents

冰箱中冷冻室的风扇防护板 Download PDF

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CN1100245C
CN1100245C CN96104504A CN96104504A CN1100245C CN 1100245 C CN1100245 C CN 1100245C CN 96104504 A CN96104504 A CN 96104504A CN 96104504 A CN96104504 A CN 96104504A CN 1100245 C CN1100245 C CN 1100245C
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申晙澈
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Abstract

一种冰箱中冷冻室的风扇防护板,它把冷却风扇吹出来的大量冷空气引入冷冻室内,以缩短维持冷冻室内的最佳环境温度所需要的时间,节约冰箱所消耗的动力,并且使得撞在风扇防护板上改变了前进方向,干扰冷却风扇运行的冷空气减到最少,从而降低了噪音。为达到上述效果,在风扇防护板上形成了许多冷空气通孔,以及用于引导冷空气流动的,在各冷空气通孔之间向使冷空气流通的冷却风扇方向凸出的凸起。

Description

冰箱中冷冻室的风扇防护板
本发明涉及冰箱冷冻室的风扇防护板,更具体的说,涉及冰箱中冷冻室的这样的防护板,这种防护板在许多冷空气流通孔之间有许多凸起,用来引导蒸发器所产生的冷空气进入冷冻室。
图1表示普通冰箱中冷冻室结构的断面图。如图1所示,普通的冰箱1内部大体上分隔为冷冻室10和冷藏室20。在冷冻室10的后部形成了一个称之为冷空气主管道30的空间。一台产生冷空气的蒸发器33设置在该冷空气主管道30的内部,并且,在冷空气主管道30内,在蒸发器33的上方,安装了风扇电机37和冷却风扇39,用于把冷空气从蒸发器33供入冷冻室10的内部。
在风扇电机37的后部形成了一条通向冷藏室20的冷空气管道35,以便把一部分冷空气引入冷藏室20,而冷却风扇39则安装在风扇电机37的转轴上。
冷空气主管道30和冷冻室10用一块隔板11隔开,隔板11上的一部分开口,以便能让冷却风扇39在开口的这一部分中转动。风扇防护板12安装在隔板11和冷冻室10的中间,在风扇防护板12上开了许多通向冷冻室10内部的,互相平行的冷空气通孔14。和以上所述相似的冰箱中冷冻室的风扇防护板公开在美国专利No.4,512,162中。
冰箱1的冷冻室10和冷藏室20按如下方式工作。当蒸发器33由于致冷剂气体膨胀而产生冷空气时,借助于和风扇电机37一起转动的冷却风扇39,把冷空气强制地从冷空气主管道30送向风扇防护板12。上述强制送出的冷空气通过风扇防护板12上的冷空气通孔14供入冷冻室10的内部,而其中的一部分没有供入冷冻室10内的冷空气则通过冷空气管道35导向冷藏室20。这样,就完成了普通冰箱1的冷冻和冷藏工作过程。
但是,在这种普通的冰箱1中,许多冷空气通孔14只是简单地穿过平坦的风扇防护板12。这样,那些不能通过冷空气通孔14的冷空气就会撞在风扇防护板12上,改变它的前进方向,从而干扰冷却风扇39。这种对冷却风扇39的干扰增加了功率消耗,并且会因为空气阻力而产生噪音,等等。
本发明就是要解决上述问题。因此,本发明的一个目的是提供一种冰箱中冷冻室的风扇防护板,为的是把由于冷空气撞在冰箱的风扇防护板上改变了前进方向而对冷却风扇的干扰减少到最小,以便减小所产生的噪音,和把冷空气顺利地供入冷冻室内部。
为达到本发明的上述目的,提供了一种冰箱中冷冻室的风扇防护板,它包括在冰箱中冷冻室的一块平板上形成的许多冷空气通孔,在这块平板上,在这些冷空气通孔之间形成了许多引导冷空气气流的凸起,这些凸起向着冷却风扇凸出,以利冷空气的流通。
这些凸起最好具有三角形的断面形状,并且都布置在与冷却风扇的轴线平行的轴线上。
因此,由于有了本发明的冰箱中冷冻室的风扇防护板,由冷却风扇所吹出来的冷空气就都撞在在风扇防护板后平面上形成的凸起上。这些撞在凸起上的冷空气便沿着这些凸起的平缓的曲线流动,通过冷空气通孔,然后供入冷冻室内。
按照本发明的冰箱中冷冻室的风扇防护板,把大量冷却风扇所吹出来的冷空气导入冷冻室内,缩短了维持冷冻室的最佳环境温度所需要的时间,节约了冰箱所消耗的动力,并且防止了由于冷空气撞在风扇防护板上改变了前进方向而对冷却风扇所造成的干扰。
此外,这样的冰箱中冷冻室的风扇防护板也能达到本发明的目的,即,这种风扇防护板上的冷空气通孔是在对着冷却风扇的区域附近形成的,并且凸起处在对着冷却风扇的区域内。
这个凸起最好具有三角形的断面形状,并且布置在与冷却风扇的轴线平行的轴线上。
在参照附图详细描述了本发明的优选实施例之后,本发明的上述目的和其他的一些优点将更加明显。附图中:
图1是表示普通的冰箱中冷冻室的风扇防护板的断面图;
图2是按照本发明第一实施例中的冰箱中冷冻室的风扇防护板的断面图;
图3是按照本发明第二实施例中的冰箱中冷冻室的风扇防护板的断面图。
图2是按照本发明第一实施例中的冰箱中冷冻室的风扇防护板的断面图。
参照图2,冰箱101基本上可分为一个冷冻室110和一个冷藏室120。在冷冻室110的后部形成了一个称之为冷空气主管道130的空间。一台产生冷空气的蒸发器133设置在该冷空气主管道130的内部,并且,在冷空气主管道130内,在蒸发器133的上方,安装了风扇电机137和冷却风扇139,用于把冷空气从蒸发器133供入冷冻室110的内部。
在风扇电机137的后部形成了一条通向冷藏室120的冷空气管道135,以便把一部分冷空气引入冷藏室120,而冷却风扇139则安装在风扇电机137前方的转轴上。
冷空气主管道130和冷冻室110用一块隔板111隔开,隔板的上部局部开口,以便让冷却风扇139能在该开口部分内转动。在隔板111和冷冻室110之间,隔开一定的间隔,装有一块风扇防护板112,而在风扇防护板112上则形成了许多具有预定尺寸的冷空气通孔114,这些通孔穿过风扇防护板112,以适当的间隔互相隔开。
在风扇防护板112的后平面上,在相应的冷空气通孔114之间形成了许多凸起116。凸起116具有这样的断面,该断面在两侧倾斜的平面上呈抛物线形状,并且在这两条曲线的交点上形成顶峰,成为一个三角形的形状。上述顶峰从风扇防护板112朝向冷冻室110的后侧,并且其轴线与冷却风扇139的轴线平行。
下面说明按照本发明上述第一实施例的冰箱中冷冻室的风扇防护板的工作情形和效果。
由于冷却风扇139与风扇电机137一起转动,使得蒸发器133所产生的冷空气开始流动。即,由于冷却风扇139的运转,在冷空气主管道130内的冷空气被强迫流向风扇防护板112,撞在凸起116的倾斜面上。上述撞在倾斜面上的冷空气并不改变它的前进方向,而是继续沿着平缓地倾斜的倾斜面流动,被聚集在冷空气通孔114进口的周围。聚集在冷空气通孔114进口周围的冷空气通过冷空气通孔114,然后喷射到冷冻室110内。
因此,由于有了按照本发明的冰箱中冷冻室的风扇防护板,冷却风扇所吹出来的大量冷空气便进入冷冻室内。因此之故,维持冷冻室内最佳环境温度所需要的时间就缩短了,还节约了冰箱所消耗的动力,同时,因为防止了冷空气撞在风扇防护板上改变前进方向对于冷却风扇的干扰,从而降低了噪音。
图3是表示本发明第二实施例的冰箱中冷冻室的风扇防护板的断面图。请参阅图3,冰箱101基本上可分为一个冷冻室110和一个冷藏室120。在冷冻室110的后部形成了一个称之为冷空气主管道130的空间。一台产生冷空气的蒸发器133设置在该冷空气主管道130的内部,并且,在冷空气主管道130内,在蒸发器133的上方,安装了风扇电机137和冷却风扇139,用于把冷空气从蒸发器133供入冷冻室110的内部。
在风扇电机137的后部形成了一条通向冷藏室120的冷空气管道135,以便把一部分冷空气引入冷藏室120,而冷却风扇139则安装在风扇电机137前方的转轴上。
冷空气主管道130和冷冻室110用一块隔板111隔开,隔板的上部的局部开口,以便让冷却风扇139能在该开口部分内转动。在隔板111和冷冻室110之间,从隔板向前隔开一定的间隔,装有一块风扇防护板112,而在风扇防护板112上则形成了许多具有预定尺寸的冷空气通孔114,这些通孔穿过风扇防护板112,以适当的间隔互相隔开。
上述冷空气通孔不是只在风扇防护板112与冷却风扇139互相相对的区域上才有,而是在围绕着上述区域和风扇防护板112的其他区域上都有许多冷空气通孔114。在风扇防护板112和冷却风扇139互相相对的部位,形成了单独一个凸起118,但,在其他冷空气通孔114之间没有这种凸起。
凸起118具有这样的断面,该断面在两侧倾斜的平面上呈抛物线形状,并且在这两条曲线的交点上形成顶峰,成为一个三角形的形状。上述顶峰从风扇防护板112朝向冷冻室110的后侧,并且其轴线与冷却风扇139的轴线平行。
除了上述凸起118的尺寸稍微大一些之外,第二实施例中的凸起118的形状和第一实施例中的凸起116相同。
下面说明按照本发明上述第二实施例的冰箱中冷冻室的风扇防护板的工作情形和效果。
由于冷却风扇139与风扇电机137一起转动,使得蒸发器133所产生的冷空气开始流动。即,由于冷却风扇139的运转,在冷空气主管道130内的冷空气被强迫流向风扇防护板112,撞在凸起118的倾斜面上。上述撞在倾斜面上的冷空气并不改变它的前进方向,而是继续沿着平缓地倾斜的倾斜面流动,到达冷空气通孔114进口的周围。到达冷空气通孔114进口周围的冷空气通过冷空气通孔114,然后喷射到冷冻室110内。
因此,按照本发明的冰箱中冷冻室的风扇防护板的结构能让冷却风扇所吹出来的大量冷空气进入冷冻室内。因此之故,维持冷冻室内最佳环境温度所需要的时间就缩短了,还节约了冰箱所消耗的动力,同时,因为防止了冷空气撞在风扇防护板上改变前进方向对于冷却风扇的干扰,从而降低了噪音。
虽然只参照了本发明的特定的实施例具体描述了本发明,但,本技术领域的技术人员能对本发明的形式和各种细节作出各种变化,而不脱离本发明在权利要求书中所界定的要点和范围。

Claims (5)

1.一种冰箱中冷冻室的风扇防护板,它包括在上述冰箱的冷冻室的任意一个平面上形成的许多冷空气通孔,在这些冷空气通孔之间形成了许多引导上述冷空气流动的凸起,并且这些凸起向着冷却风扇凸出并沿着与所述冷却风扇的轴线平行的轴线布置,以利于上述冷空气的流通。
2.如权利要求1所述的冰箱中冷冻室的风扇防护板,其特征在于,上述凸起具有三角形的断面形状。
3.如权利要求1所述的冰箱中冷冻室的风扇防护板,其特征在于,上述冷空气通孔在与上述冷却风扇相对的区域周围形成,并且一个凸起设置在与上述冷却风扇相对的区域上。
4.如权利要求3所述的冰箱中冷冻室的风扇防护板,其特征在于,上述凸起具有三角形的断面形状。
5.如权利要求4所述的冰箱中冷冻室的风扇防护板,其特征在于,上述凸起沿着与上述冷却风扇的轴线平行的轴线布置。
CN96104504A 1995-04-06 1996-04-05 冰箱中冷冻室的风扇防护板 Expired - Fee Related CN1100245C (zh)

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JP3307847B2 (ja) * 1997-01-31 2002-07-24 ホシザキ電機株式会社 冷蔵庫等の送風装置
US6158454A (en) * 1998-04-14 2000-12-12 Insync Systems, Inc. Sieve like structure for fluid flow through structural arrangement
KR100428509B1 (ko) * 2002-03-04 2004-04-29 삼성전자주식회사 냉장고
DE202005012627U1 (de) * 2005-05-25 2006-10-05 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät
US20070007368A1 (en) * 2005-07-06 2007-01-11 Dodier Maxime Air cooling device
JP4879628B2 (ja) * 2006-04-10 2012-02-22 三菱電機株式会社 空気調和機の室外ユニット
JP5523986B2 (ja) * 2010-08-18 2014-06-18 株式会社東芝 冷蔵庫
CN102162696B (zh) * 2011-02-24 2016-01-27 海尔集团公司 冰箱风道组件的安装结构
EP2525174A1 (en) * 2011-05-16 2012-11-21 Whirlpool Corporation Fast freezing system and refrigeration appliance using such system
CN109708384A (zh) * 2018-11-16 2019-05-03 青岛海尔股份有限公司 风道板及具有其的冰箱

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US1313460A (en) * 1919-08-19 Constructive design of face-plat
DE2810432C3 (de) * 1977-03-10 1981-04-30 Kazuyoshi Odawara Kanagawa Sekiguchi Mit einer Schlitzanordnung versehenes Bauelement
JPH07101141B2 (ja) * 1989-03-14 1995-11-01 シャープ株式会社 冷蔵庫用送風装置

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US5671610A (en) 1997-09-30

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