CN1151506A - 冰箱用的充分冷却新装填物的装置 - Google Patents

冰箱用的充分冷却新装填物的装置 Download PDF

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CN1151506A
CN1151506A CN96120312A CN96120312A CN1151506A CN 1151506 A CN1151506 A CN 1151506A CN 96120312 A CN96120312 A CN 96120312A CN 96120312 A CN96120312 A CN 96120312A CN 1151506 A CN1151506 A CN 1151506A
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许庆吉
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Abstract

一种冰箱用的能充分冷却新装填物的装置，它包括：安装在冷藏室后墙上部的基板，在基板中部有通气口；用枢轴安装在基板上为冷气导向的许多叶片；用来左右移动叶片的滑动杆；水平移动滑动杆的电机；安装在滑动杆一端附近用来控制电机运行的限位开关；上面有许多供冷气流过的切口的盖子；以及一对分别位于冷藏室两侧的温度传感器，用来检测冷藏室温度变化，该装置能迅速集中冷却新装入的食物，防止冷藏室温度升高，此外，它还降低电耗。

Description

冰箱用的充分冷却新装填物的装置
本发明涉及一种冷却装置，更具体的说，是冰箱用的充分冷却新装填物的装置，该装置能迅速、充分地冷却刚放进冰箱的食物，并且能防止冷藏室中的温度升高，同时，还能减少耗电量。
如图1和图2所示，现有技术中的冰箱包括外壳体1和内壳体2，在外壳体1和内壳体2之间填满绝热材料3。在上部冷冻室4和下部冷藏室5之间设有隔离层6，该隔离层6充当内部绝热层。从冷冻室4的后方向前，顺序设有屏蔽板7和栅板8，屏蔽板7和栅板8上分别有许多孔7a和8a，供冷却气体通过。如图2所示，致冷室9在屏蔽板7的左后方形成。
在致冷室9中设有用马达11驱动的风扇10和蒸发器12。在隔离层6内部设有第一导管6a和第二导管6b，分别将在冷冻室4和冷藏室5中循环之后的冷空气送回致冷室9内。在隔离层6内还设有第3导管6c，用来将致冷室9中产生的冷却气体送入冷藏室5。
气流调节器13设置在冷藏室5的后面，用来将致冷腔9中的蒸发器12所产生的冷却气体供应给冷藏室5，在该气流调节器3上分布着许多互相隔开一定间距的孔13a。
许多搁板14设置在冷藏室5内，可以拆卸，用来放置冷藏的食物。在冷藏室5的下部有一个蔬菜盒15。
具有上述结构的现有的冰箱按下述方式运行：
由马达11驱动风扇10产生的一部分冷空气，通过蒸发器12，穿过屏蔽板7上的各个孔7a和栅板8上的各个孔8a，流入冷冻室4内。然后，经过在冷冻室4内循环的冷空气再流过位于隔离层6内的第一导管6a，流回致冷室9中的蒸发器12。
蒸发器12中的其余冷空气依次流过隔离层6内的第三导管6c，和气流调节器13上的许多孔13a，进入冷藏室5，冷却放在搁板14上和蔬菜盒15内的食物，然后，再通过第二导管6b流回致冷室9内。
然而，上述现有冰箱的缺点在于，在搁板上和/或蔬菜盒内新放入食物时会导致冷藏室内的温度升高，从而使原来贮藏在冷藏室中的食物变质，而且，由于新放入的食物延长了所需要的致冷时间，会导致耗电量增加。
因此，本发明的目的在于提供一种冰箱用的充分冷却新装填物的装置，该装置能迅速、充分地冷却新装填物，并且能防止冷藏室的温度升高，同时又降低耗电量。
为达到上述目的，本发明提供一种冰箱用的充分冷却新装填物的装置，这种冰箱有一个带侧壁和后墙的通冷气的冷藏室，用于上述冰箱的充分冷却新装填物的装置包括：一块安装在冷藏室后墙上部的基板，该基板中部有一个通气口；许多用枢轴安装在基板上的叶片，用它来引导从通气口流出的冷气；一根与这许多叶片连接的滑动杆，用来使叶片向左右转动；一台用来使滑动杆沿水平方向移动的电机；一个装在滑动杆一端附近的限位开关，用来控制电机的运行；一个上面有许多切口的盖子，这些切口供冷气通过，盖子固定在基板上；以及一对分别安装在冷藏室两侧的温度传感器，用来检测冷藏室的温度变化。
下面，参照附图详细描述本发明的实施例。附图中。
图1是现有技术中的冰箱的正视图；
图2是现有技术中的冰箱的侧剖面图；
图3是采用本发明的充分冷却新装填物的装置的冰箱的正视图；
图4是采用本发明的充分冷却新装填物的装置的冰箱的侧剖面图；
图5是依据本发明的冰箱用的充分冷却新装填物的装置的立体分解图；
图6是图5中的装置组装后的正视图；
图7是沿图6中B-B线的剖面图；
图8是图6中的组装后装置的后视图；
图9A和9B表示依据本发明的充分冷却装填物的装置的操作的正视图；
图10A和10B分别是沿图9A和9B中C-C和D-D线的剖面图；
图11A和11B是依据本发明的装置的同步电机工作的示意图。
如图3和图4所示，依据本发明的冰箱用的充分冷却新装填物的装置A设置在冷藏室5的后墙上部。
参照图3-图8，充分冷却新装填物的装置包括：安装在冷藏室5的后墙上部的基板21，在基板21的中部有一个通气口21′；用枢轴安装在基板21上的许多叶片22，用来引导穿过通气口21′的冷气；安装在基板21上的可左右移动的滑动杆23，它的下表面和各叶片22的上部连接；安装在基板21内一角上的同步电机24，它有一根偏心轴24a，用来水平移动滑动杆23；靠近同步电机24的行程开关25，用来控制同步电机24的工作；一个盖26，盖26上有许多供冷气通过的切口26a；以及一对分别位于冷藏室5两侧的温度传感器27和28，用来检测冷藏室5内的温度变化。
在基板21凹进的前表面的上、下部分相应地设有一对水平支承板21a和21b，用来支承叶片22，在各支承板21a和21b上，有许多隔开一定间距分布的铰链孔21c和21d。
一对用作铰接轴的铰链销22a和22b分别设置在各叶片22的上、下端部，并分别插入相应的一对铰链孔21c和21d中，使得叶片22可绕铰接轴转动。
滑动杆23的下表面上设有许多彼此隔开一定间距的孔，从各叶片22的中心的上部延伸出的连接轴22c分别插入滑动杆23上相应的孔内，这样，水平移动滑动杆23时，各叶片22就会分别绕各自的铰链销22a和22b转动，从而控制冷气的流向。
如图11所示，在滑动杆23的一端设有一椭圆形构件23a。在电机24的电机主轴24a上有一个偏心凸轮29，凸轮的偏心距为Δd。凸轮29塞入椭圆形构件23a中，从而使得滑动杆23能随着电机轴24a的转动而左右移动。当滑动杆23向左移动时，限位开关25上的杆25a和椭圆形构件23a接触，于是就关闭电动机24，从而停止叶片22的转动。
在盖26的两侧分别设有钩子26，用来钩住基板21上的相应的钩子孔21e，将盖26固定在基板21上。
下面描述依据本发明的充分冷却新装填物的装置的工作过程。
当新的装填物(食物)F存入冷藏室5内时，一对温度传感器27、28开始感觉到冷藏室5内的温度变化。
假如如图3所示，新的装填物F放在搁架14的左边，于是位于冷藏室5左侧的传感器27便感应到新的装填物F原来较高的温度，因此，来自蒸发器12的冷气便集中供应给新的装填物F，从而防止其它先放入的食物受新装填物F高温的影响，并且减少电耗。
更详细的说，传感器27检测到新的装填物F的温度，并且又将电信号输给同步电机24，使得电机轴24a向顺时针方向转动，如图9A所示，从而使滑动杆23向左移动，如图10A所示。结果，与滑动杆23连接的叶片22就使冷气都吹向新装填物F。
此时，从滑动杆23延伸出来的椭圆形构件23a抵住限位开关杆25a，于是限位开关25动作，使同步电机24停止运行。结果，冷却导向叶片22保持其现有的位置，不再转动。
也就是说，当温度传感器27检测到新装填物的高温度时，电动机24开始运行，使滑动杆23移动，从而带动叶片，使冷气流的方向对着新的充填物F，一直持续到滑动杆23的椭圆形构件23a抵住限位开关25的开关杆25a，亦即，直到叶片22停止转动，固定在将冷气导向新装填物F的位置上。此后，滑动杆23的一次行程的时间由预先设定的计时器测定，测量出的值用来关闭同步电机的运行。
因此，当许多叶片22都使冷气朝向新放入的装填物F时，蒸发器12产生的冷气流过隔离层6中的第三导管6c，再接着流过通气口21′，然后被叶片22导向新装填物F，从而能迅速、充分地冷却新充填物F，并且防止冷藏室5的温度升高。
如图9B和10B所示，当新装填物放在搁架14的左边时，可通过顺时针转动电机24，使得滑动杆23移动，带动叶片22转动，使冷气吹向右边。
当冷藏室5中的温度由于冷气吹向新装填物F集中冷却而降低时，同步电机24的运转使得滑动杆23作住复线性运动，从而带动叶片22向左右转动(振荡)，将冷气均匀地分布在整个冷藏室5内。
如上所述，依据本发明的冰箱用的充分冷却新装填物的装置能迅速、集中冷却新的装填物，并且防止冷藏室内其它食物的温度升高。
此外，上述充分冷却装置还起到减少电耗的作用。

Claims (5)

1.一种冰箱用的充分冷却新装填物的装置，所述冰箱带有通冷气的，带有侧壁和后墙的冷藏室，上述装置包括：
一块安装在冷藏室后墙上部的基板，该基板的中部有一个通气口；
用枢轴安装在基板上的用于引导从通气口流出的冷气的许多叶片；
一根与上述许多叶片连接，使叶片左右转动的滑动杆；
一台用来使滑动杆沿水平方向移动的电机；
一个安装在滑动杆一端附近的限位开关，用来控制电机的运行；
一个上面有许多供冷气通过的切口的盖子，该盖子安装在基板上，以及
一对分别安装在冷藏室两侧的温度传感器，用来检测冷藏室的温度变化。
2.如权利要求1所述的装置，其特征在于，它还包含一对分别设置在基板凹进的前表面的上、下部的水平支承板，用来用枢轴安装各叶片。
3.如权利要求2所述的装置，其特征在于，在水平支承板上有许多隔开一定间距分布的铰链孔。
4.如权利要求1所述的装置，其特征在于，从各叶片顶部中心处延伸出来的连接销与滑动杆的下表面连接。
5.如权利要求1所述的装置，其特征在于，在滑动杆的端部设有椭圆形构件，由从电机延伸出的电机轴驱动的偏心凸轮位于上述椭圆形构件内，从而能使滑动杆随着电机驱动的偏心轮转动而作线性往复运动。
CN96120312A 1995-10-13 1996-10-11 冰箱用的充分冷却新装填物的装置 Expired - Fee Related CN1100243C (zh)

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CN111879048A (zh) * 2020-07-31 2020-11-03 海信容声(广东)冰箱有限公司 冰箱

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JPH09243226A (ja) 1997-09-19
ITMI962006A1 (it) 1998-03-30
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CN1100243C (zh) 2003-01-29
JP2779352B2 (ja) 1998-07-23
DE19641722C2 (de) 2001-08-23
IT1284895B1 (it) 1998-05-28
GB2306211A (en) 1997-04-30
GB2306211B (en) 1999-07-21
US5737935A (en) 1998-04-14
KR970022104A (ko) 1997-05-28
KR0162412B1 (ko) 1999-02-18
GB9619873D0 (en) 1996-11-06
MX9604823A (es) 1997-09-30
AU700288B2 (en) 1998-12-24
AU6816696A (en) 1997-04-17

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