CN1285872C - Refrigerator - Google Patents

Refrigerator Download PDF

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Publication number
CN1285872C
CN1285872C CN 200410056718 CN200410056718A CN1285872C CN 1285872 C CN1285872 C CN 1285872C CN 200410056718 CN200410056718 CN 200410056718 CN 200410056718 A CN200410056718 A CN 200410056718A CN 1285872 C CN1285872 C CN 1285872C
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China
Prior art keywords
temperature
weak
freezing
compartment
ice
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CN 200410056718
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Chinese (zh)
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CN1566877A (en
Inventor
天明稔
塚本惠造
合野一彰
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株式会社东芝
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Priority to JP2001314711A priority Critical patent/JP4059474B2/en
Priority to JP2002019461A priority patent/JP2003222453A/en
Application filed by 株式会社东芝 filed Critical 株式会社东芝
Publication of CN1566877A publication Critical patent/CN1566877A/en
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Publication of CN1285872C publication Critical patent/CN1285872C/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D2400/00General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/30Quick freezing

Abstract

一种冰箱,其特征在于,弱冷冻室与其他储藏室间隔着隔热壁,在通往前述弱冷冻室的冷气通路中设置挡板,当在前述弱冷冻室对食品进行弱冷冻时,将前述挡板打开,使来自蒸发器的冷气在冷却风扇的作用下强制流入以作急速冷冻运转,直到超过最大冰结晶生成带的下限值为止,然后保持弱冷冻温度带。 A refrigerator comprising a freezer compartment and the other storage weak heat insulator septal wall, a baffle leading to the freezing chamber cold air passage is weak, when a weak frozen food in the freezer compartment is weak, the the shutter is open, the cold air from the evaporator under the action of the cooling fan for forcibly flows to rapid freezing operation, until it exceeds the maximum ice crystal formation zone of the lower limit value, and to maintain a weak freezing temperature. 本发明可使食品以鲜度和口味良好且容易切割的状态保存。 The present invention allows the food to the freshness and taste good state of preservation and easy to cut.

Description

冰箱 refrigerator

本案是申请日为2002年10月14日、申请号为02147337.4、名称为“冰箱”的发明专利申请的分案申请。 This case was filed on October 14, 2002, Application No. 02147337.4, named divisional applications "refrigerator" invention patent applications.

技术领域 FIELD

本发明涉及冰箱的冷却储藏室,尤其是制冰室的结构及控制方法、弱冷冻室的控制方法。 The present invention relates to cooling a refrigerator storage compartment, the structure and control method of the ice making compartment in particular, the control method of the weak freezing chamber.

背景技术 Background technique

近年来,冰箱随着人们生活的多样化其容量呈大型化的趋势,从门的开关次数多、使用频度高考虑,在冰箱本体的上部配置容纳储藏物容积最大的冷藏室,其下部配置蔬菜室及冷冻室,同时大多在蔬菜室和冷冻室之间设置具有制冰装置的制冰室以及可将箱内温度从冷冻温度到蔬菜保存温度为止切换成多个温度带的温度切换室。 In recent years, with diversification of living refrigerator of large capacity as a trend, the number of switching from the multi-door, consider frequently used, arranged in an upper portion of the refrigerator body to accommodate the maximum refrigerating capacity stored products, the lower portion configured vegetable compartment and the freezer compartment, while most of the ice making chamber provided with an ice making apparatus and between the freezer compartment and a vegetable compartment inside temperature can be switched from the freezing temperature to the storage temperature of vegetables up into a plurality of temperature switching compartment temperature zone.

因为要设置多个储藏温度不同的储藏室,原来单一的冷却器变成各温度带专用的冷却器、比如冷冻温度用冷却器和冷藏温度用冷却器等二个冷却器分别与各自的温度室对应设置的结构。 Since a plurality of different settings to the storage temperature of the storage compartment, the cooler into the original single cooler temperature zone of each specific, such as the freezing temperature with the refrigerating temperature with the cooler and cooler respectively two respective temperature cooling chamber corresponding structures provided.

而且,这种具有多个冷却器的冷却方式中,为了提高储藏室的冷却效率,将与各储藏室温度对应的冷却器设置在该储藏室的背后等。 Moreover, this cooler having a plurality of cooling, in order to improve the cooling efficiency of the storage compartment, the storage compartment temperature corresponding to each cooler disposed behind the storage compartment and the like. 即,冷藏用冷却器配置在冷藏室的旁边,将比该冷藏室温度稍高的蔬菜室也靠近冷藏室配置。 That is, next to refrigeration cooler arranged in the refrigerating compartment, the refrigerating compartment temperature slightly higher than the vegetable compartment also arranged close to the refrigerating compartment. 冷冻用冷却器设置在冷冻室的背面部,同时,将成为冷冻室温度的制冰室及温度切换室也同样配置在冷冻室附近。 Freezing cooler portion provided on the back of the freezer compartment, while the temperature of the freezing compartment becomes ice compartment and the temperature switching compartment are also arranged in the vicinity of the freezing compartment. 这种形态称为第1形态。 This form is called the first aspect.

而在冷冻食品时,尽快通过食品的最大冰结晶生成带、即-1~-5℃,这样可不破坏食品的细胞组织和鲜度而进行冷冻保存。 And in the frozen food, the maximum ice crystal generating quickly with food, i.e., -1 ~ -5 ℃, this may damage cells and tissue of the fresh food and cryopreserved.

因此,用家庭用冰箱冷冻食品时,一般是通过提高冷冻循环的压缩机的转速等来增加冷冻能力,加快食品的冷却速度进行急速冷冻。 Therefore, when using household refrigerator frozen foods, freezing is generally to increase the capacity by increasing the speed of the compressor of a refrigeration cycle, and accelerate the rapid cooling rate of the food will be frozen. 但是,如食品温度在最佳保存的温度、比如-18℃以下,则会出现冰冻程度太厉害、肉及生鱼片等食品很难用刀切割的问题。 However, as the temperature of the food stored in the optimum temperature, such as less -18 ℃, the degree will be frozen too much meat and raw fish and other foods difficult to cut with a knife problem occurs.

对此,最近得知,如将食品的冷冻温度提高,在-7~-10℃(以下称为弱冷冻温度带)下进行冷冻保存,则虽然不能长期保存,但保存数周程度却没有任何问题,而且烹调时用刀切割方便,有人提出了一种冰箱,具有可切换至包括弱温度带在内的各种温度的切换室。 In this regard, recently learned, as will increase the temperature of the food frozen, at -7 ~ -10 ℃ (hereinafter referred to as weak freezing temperature) under cryopreservation, although it is not long-term storage, but stored for several weeks without any degree problem, but also easy to cut with a knife, a refrigerator has been proposed, having to switch to various temperatures including low temperature zone including switching cooking chamber.

该切换室可进行如下控制,即在室内温度相对目标设定温度太高时打开设置在冰箱后方的风门送入冷气,当室温低时用加热器加热以保持设定温度。 The chamber may be a control switch, i.e. the indoor temperature set relative to the target throttle opening is provided at the rear of the cool air into the refrigerator when the temperature is too high, the low temperature when heated by a heater to maintain the set temperature. 这种形态称为第2形态。 This form is called the second aspect.

但是,第1形态的冰箱,其制冰室配置在蔬菜室的下部,即使从冰箱整体的布局来看也位于下方,因此在取冰时身体要弯曲,夏季等频繁利用冰的时期尤其使用不方便。 However, the first aspect of the refrigerator in which ice making chamber disposed at a lower portion of the vegetable compartment, even if the entire refrigerator is also located below the layout view, and therefore when the harvest of the body to be bent, in particular during the summer season is frequently used without using an ice Convenience.

冰箱的外形尺寸由于日本国内厨房等设置条件的限制,其宽度、深度及高度都几乎达到了极限,因而储藏空间的扩大也受到限制,客户需要使用方便的要求越来越强烈。 Refrigerator dimensions due to the Japanese domestic kitchen set limits, the width, depth and height have almost reached the limit, and thus expand the storage space is limited, customers need easy to use and requires more and more intense.

而第2形态的冰箱,将没有冰冻的常温状态的食品放入设定在弱冷冻温度带的切换室内时,因该室内的温度高于比如-25℃的冷冻室温度,故食品温度通过最大冰结晶生成带的温度带需要较多的时间,成为所谓的缓慢冷冻。 When the refrigerator of the second aspect, the food is not placed in the frozen state at room temperature is set at low freezing temperature switching chamber due to a temperature higher than the room temperature such as -25 ℃ freezing chamber, so the maximum temperature of the food ice crystal formation temperature zone requires more time, a so-called slow freezing.

缓慢冷冻时,食品细胞组织被破坏、肉等的颜色发黑、蛋白质的自我分解和脂肪的氧化引起食品劣质。 When the slow freezing, the food is damaged tissue, such as meat color black, self-decomposition of protein and fat food inferior due to oxidation.

而且,在将比弱冷冻温度带的温度高的新食品放入时,随着室内温度上升,原已用弱冷冻温度带保存的冷冻食品的温度也随之上升,出现食品口味和鲜度下降的问题。 Moreover, at high temperatures than the freezing temperature with the weak into the new food, along with the indoor temperature rises, the already frozen food with a temperature preservation of weak freezing temperatures will also rise, food taste and freshness decline The problem.

发明内容 SUMMARY

本发明是为了解决上述问题而进行的,目的在于使第1形态的冰箱对应客户的多样化要求,通过将冷气管道机构及冷却机器对储藏室的有效配置,提供一种将制冰室配置在冷藏室空间一角的、使用方便的储藏室布局。 The present invention is made to solve the above problems, the object of the first aspect of the refrigerator corresponding to the diverse requirements of the customer, the cool air duct by the cooling means and effective allocation machinery storage compartment is provided an ice making compartment disposed corner of freezer space, easy to use storage room layout.

并使第2形态的冰箱提供一种在以弱冷冻温度带保存食品时不使食品鲜度和口味下降的冰箱的控制方法。 And the second aspect of the refrigerator is provided a method of controlling a refrigerator without food freshness and taste of a weak decrease in the freezing temperature range for preserving food.

本发明的第1方案,其特征在于,弱冷冻室与其他储藏室间隔着隔热壁;设有将前述弱冷冻室冷却的蒸发器和冷却风扇,在通往前述弱冷冻室的冷气通路中设置挡板;当在前述弱冷冻室对食品进行弱冷冻时,将前述挡板打开,使来自蒸发器的冷气在冷却风扇的作用下强制流入以作急速冷冻运转,直到前述弱冷冻室内的温度达到比在弱冷冻温度带、即-5℃~-10℃的范围内设定的保存温度更低的设定温度为止,然后,将前述弱冷冻室内的温度保持在前述保存温度。 1 a first embodiment of the present invention is characterized in that the other storage septal weak freezing chamber and the insulating wall; weak freezing chamber is provided with the cooling of the evaporator and a cooling fan, leading to the freezing chamber cold air passage in weak a baffle; weak when a food product frozen in the freezing chamber is weak, the flap will be opened to allow cool air from the evaporator under the action of the cooling fan for forcibly flows to rapid freezing operation, until the temperature of the freezing chamber weak reached a weak frozen temperature zone, i.e. in the range of -5 ℃ ~ -10 ℃ storage temperature is set lower than the set temperature, then the temperature of the freezing chamber is maintained at low the storage temperature.

上述结构使食品以鲜度和口味良好且容易切割的状态保存。 In the above-described structure of the food freshness and taste good state of preservation and easy to cut. 此时,尽管在弱冷冻室保存的食品温度已比弱冷冻温度带低,但对食品的鲜度及口味无任何影响,可进行良好的保存。 At this point, despite the weak saved in the freezer compartment temperature of the food has been lower than the freezing temperature with a weak, but has no effect on the taste and freshness of food can be good save.

本发明的第2方案,其特征在于,弱冷冻室隔着隔热壁配置在冷冻室内部,设有将前述弱冷冻室冷却的蒸发器和冷却风扇,在通往前述弱冷冻室的冷气通路中设置挡板,并设置对前述弱冷冻室进行加热的加热器;当在前述弱冷冻室对食品作弱冷冻时,将前述挡板打开,使来自蒸发器的冷气被冷却风扇强制送入以作急速冷冻运转,直到前述弱冷冻室内的温度达到比在弱冷冻温度带、即-5℃~-10℃的范围内设定的保存温度更低的设定温度为止,然后,当前述弱冷冻室内的温度比设定温度低时,对前述加热器通电,以使不超出最大冰结晶生成带的下限值。 The second embodiment of the present invention, wherein the weak freezing chamber via heat insulating wall disposed inside the freezing chamber, freezing chamber with the weak cooling of the evaporator and a cooling fan, cool air in the freezing chamber leading to the passage weak in a baffle, and a heater for heating the weak freezing chamber; when the weak weak freezing chamber for freezing food, the shutter will be opened to allow cool air from the evaporator is forced into the cooling fan for rapid freezing operation, until the temperature of the freezer compartment reaches a weak weak frozen temperature zone, i.e. in the range of -5 ℃ ~ -10 ℃ storage temperature is set lower than the set temperature, then, the aforementioned weak refrigerating when the indoor temperature is lower than the set temperature of the heater is energized, so as not to exceed the lower limit of maximum ice crystal formation zone.

上述结构可使因急速冷冻而低于目标温度的弱冷冻室温度容易地上升到弱冷冻温度带,且能可靠地保持弱冷冻温度带。 The above-described configuration allows a weak snap frozen by the freezer compartment temperature lower than the target temperature easily rises to weak freezing temperature zone, and can reliably hold the weak freezing temperature.

上述结构中,即使是肉块等体积较大的食品,也能冷却到最大冰结晶生成带以下,无论食品体积如何,都能均匀、良好地保存食品的鲜度和口味。 In the above configuration, even with a large volume of meat and other food it can also be cooled to the maximum ice crystal formation, regardless of the volume of the food, can be uniform, well preserved freshness and taste of the food.

本发明的第3方案,其特征在于,设有对前述蒸发器进行除霜的除霜装置,在急速冷冻运转中,前述除霜装置不工作。 A third embodiment of the present invention, wherein a defrosting apparatus for defrosting the evaporator, the rapid freezing operation, the defrosting device is not operating.

上述结构即使在急速冷冻运转过程中到达开始除霜的时刻,也能优先进行急速冷冻,可最大限度发挥冷冻能力,故能迅速可靠地进行急速冷却。 Even in the above-described structure reaches the rapid freezing operation during defrosting start time, priority can be rapidly frozen, can maximize the refrigeration capacity, it can be performed quickly and reliably rapidly cooled.

附图说明 BRIEF DESCRIPTION

图1是本发明的一实施形态的冰箱除去门的状态下的主视图。 FIG 1 is an embodiment of the present invention is a front view of the refrigerator removed state of the door.

图2是图1的储藏室除去背面部的状态下的主视图。 FIG 2 is a storage compartment FIG. 1 is removed in a state of the rear surface portion of the front view.

图3是图1的制冰室部分的横截面图。 3 is a cross-sectional view of the ice making chamber portion of FIG.

图4是表示图1的冷冻空间部分的管道结构的纵向截面图。 FIG 4 is a longitudinal sectional view showing the structure of the refrigerated space conduit portions in FIG. 1.

图5是沿图2的AA线的横截面图。 FIG 5 is a cross-sectional view along line AA of FIG. 2.

图6是沿图2的BB线的横截面图。 FIG 6 is a cross-sectional view along line BB in FIG. 2.

图7是本发明的一实施形态的控制流程图。 FIG 7 is a control flowchart of an embodiment of the present invention.

图8是本发明的一实施形态的冷冻循环的概要图。 FIG 8 is an embodiment of the present invention is a schematic diagram of the refrigeration cycle.

图9是本发明的一实施形态的冷气管道的概要图。 FIG 9 is an embodiment of the present invention, the cool air duct schematic FIG.

图10是图9的其他实施形态的冷气管道的概要图。 FIG 10 is a view schematically showing another embodiment of the cool air duct 9.

图11是图9的又一实施形态的冷气管道的概要图。 FIG 11 is another embodiment of FIG. 9 a schematic view of a cool air duct.

图12是本发明的再一实施形态的冰箱除去门的状态下的主视图。 FIG 12 is a front view of the state of the door to remove a further embodiment of the present invention is a refrigerator.

图13是图12所示的冰箱要部的扩大纵向截面图。 FIG 13 is a longitudinal sectional view of the refrigerator to be enlarged portion 12 shown in FIG.

图14是图12所示冰箱的冷冻循环的说明图。 FIG 14 is an explanatory diagram of a refrigerating cycle of the refrigerator 12 shown in FIG.

图15是图12所示冰箱的控制系统流程图。 FIG 15 is a flowchart of a control system of the refrigerator 12 shown in FIG.

图16是用弱冷冻温度带保存时弱冷冻室的温度变化图。 FIG 16 is a low temperature of the freezing chamber of FIG weak belt storage freezing temperature.

图17是容纳在弱冷冻室内的食品在弱冷冻温度带的保存控制流程图。 FIG 17 is housed in a freezing chamber of a weak weak food storage freezing temperature control flowchart.

具体实施方式 Detailed ways

以下根据附图对本发明一实施形态作说明。 Hereinafter be described with reference to the accompanying drawings of an embodiment of the present invention. 图1是省略了门的显示各储藏室配置状态的冰箱本体1的主视图,由隔着未图示的隔热材设置在外箱2的内侧的内箱3形成储藏空间,用隔热壁划分成多个储藏室。 FIG. 1 is a front view of the display is omitted in each storage compartment door arrangement state of the refrigerator body 1, via a heat insulating material (not shown) disposed within the outer box inside the case 2 is formed of a storage space 3, heat insulating partitioning wall into a plurality of storage room.

5是在各储藏室中使用频度最高、为了便于确认及取出室内储藏品而设置在冰箱本体最上部的冷藏室,其前面开口部被利用未图示的铰链装置可旋转地安装在本体上的门关闭。 5 is the highest frequency in the storage compartment, to facilitate recognition and extraction chamber provided in stored products uppermost refrigerating compartment of the refrigerator body, which front opening portion (not shown) by a hinge means rotatably mounted on the body the door is closed.

在冷藏室5的下部,隔着隔板6形成蔬菜室7,用以保存比冷藏室温稍高温度的蔬菜等。 In the lower portion of the refrigerating chamber 5, a separator 6 interposed therebetween is formed vegetable chamber 7 for the refrigerating compartment temperature slightly higher than the storage temperature of vegetables and the like.

在蔬菜室7的下方,隔着隔热隔壁9配置容纳冷冻食品的冷冻室9。 In the bottom of the vegetable compartment 7, across the insulation wall 9 is configured to accommodate the freezer compartment of frozen foods 9. 该冷冻室9分成上下2层,在上层设有急速冷冻角落10。 The freezing chamber into upper and lower two layers 9, 10 is provided in the upper corner rapid freezing.

前述蔬菜室7及冷冻室9的前面开口部用未图示的门关闭,而且在门内侧装有向储藏室内方延长的框架,在该框架上面载放容器,通过安装在前述框架后端的未图示的滚珠与设在箱内侧壁上的轨道部件等卡合滑动,使容器在前后方向可抽出。 The front opening of the vegetable compartment 7 and freezer compartment door 9 is closed, not shown, in the inside of the door and extending into the storage compartment with side frame, placing in the frame above the container, by mounting the rear end of the frame is not illustrates the track ball like member is provided on the side wall inside the sliding engagement, the container can be withdrawn in the longitudinal direction.

在冷藏室5空间的下方一角形成用隔热壁11划分的制冰室12。 The ice making chamber 12 is formed with a heat insulating wall 11 at the corner of the lower division space 5 of the refrigerating compartment. 该制冰室12装有从设在其上部的冷藏室5内的给水箱13得到水并进行制冰的自动制冰装置14,而且配置接受所制出的冰的可抽出式储冰箱,制冰室12得到来自后述冷冻用冷却器27的冷气而冷却到冷冻温度。 Obtained with the ice making compartment 12 from the refrigerating chamber provided at an upper portion 5 of the tank 13 to the water and ice automatic ice making apparatus 14, and configured to accept the prepared ice bin withdrawable, Ltd. ice chamber 12 described later to obtain the freezing cold air from the cooler 27 is cooled to freezing temperature.

自动制冰装置14在装在制冰盘底部外面的制冰检测传感器55检测出-19oC时就认为制冰盘内的水全部结冰即制冰结束,进行使制冰盘的冰落至下方储冰容器中的倒冰动作。 Automatic ice making apparatus 14 is mounted on the outside of the bottom of the ice tray ice detecting sensor 55 detects that it is all the water in the ice tray is frozen during the ice i.e. -19oC ends, and the ice tray ice falls downward ice down operation of the ice storage container. 通过使制冰盘翻转且在作180度旋转时限制其一侧端的转动就对该制冰盘施以扭力以使冰分离。 By reversing the ice tray and at one end thereof for limiting the rotation of 180 degrees of rotation of the torque applied to the ice tray so that the ice separation.

另外,具有检测储冰量的检冰杆,在倒冰动作之前移动至储冰容器内的下方以测出冰量,当储冰量多、检冰杆碰到冰的表面而无法向下方移动时,即检测出满冰状态,以停止此后的倒冰及给水动作,在冰被取出、储冰量减少之前处于待机状态。 Further, having detected amount of ice ice-detecting lever, the operation moves downward down before ice within the ice storage container to measure the amount of ice, when the amount of ice, ice-detecting lever can not touch the surface of the ice moves downward when, i.e. a full ice state is detected, to stop ice and thereafter poured water supply operation, the ice is removed, before the standby state to reduce the amount of ice.

在制冰室12侧部的冷藏空间内设有与制冰室12同样被隔热隔开的温度切换室15。 In the ice making space of the refrigerating chamber 12 side portion of the ice making chamber 12 equipped with the temperature switching compartment separated by the same insulation 15. 该温度切换室15通过设在制冰室12的侧壁上部的冷气挡板16的开闭来控制冷气流,可以进行-18℃C的冷冻温度、-7℃左右的弱冷冻温度、0℃的激冷温度、+1~2℃的冷藏温度至+8℃左右的葡萄酒冷却温度为止的多级温度控制,可根据需要变更室内的温度设定。 The temperature switching chamber 15 to control the flow of cold air, the freezing temperature may be -18 ℃ C is provided at the upper side wall 12 of the ice making compartment cool air shutter 16 is opened and closed, the weak freezing temperatures around -7 ℃, 0 ℃ chilled temperature, refrigerated temperature + 1 ~ 2 ℃ to + multi-stage temperature control until the temperature of the cooling wine about 8 ℃, can be set according to the temperature necessary to change the chamber. 不过,在温度切换室15设定到弱冷冻温度时,则相当于后述的弱冷冻室。 However, when the temperature switching compartment 15 is set to a low freezing temperature, it is equivalent to weak freezing chamber described later.

各储藏室如图7所示,其控制装置40a根据检测冷藏室空间内温度的冷藏用温度传感器51、检测冷冻室9温度的冷冻用温度传感器52、检测制冰室12温度的制冰用温度传感器53、检测温度切换室15温度的切换室用温度传感器57、检测外气温度的外气温度传感器58的检测值来启动后述的风扇、冷气挡板16、压缩机41等以调节箱内温度。 Each storage compartment 7, the control device 40a which is refrigerated space within the refrigerating compartment temperature detected by the temperature sensor 51 detects the temperature of the freezing 9 freezing compartment temperature sensor 52, 12 detects the temperature of the ice making compartment ice temperature sensors 53, 15 detecting the temperature of switching room temperature switching compartment temperature sensor 57, the outside air temperature sensor for detecting outside air temperature detection of the value to start the fan 58 to be described later, the cold air flap 16, the compressor 41 or the like to adjust the box temperature.

前述各储藏室的背面侧,如图1的除去各储藏室背面部的状态的主视图、即图2那样,配置有向各储藏室提供冷气(箭头)的冷却器及管道。 The back side of each storage compartment, a front view of the state of each storage compartment is removed the back portion of FIG. 1, i.e., Figure 2, is arranged to provide cool air to each storage compartment (arrow) of the cooler and piping.

即在冷藏室5的背面中央配置冷藏用冷却器21,在其上部设置冷藏用风扇22。 I.e., the back surface disposed refrigerated fresh food compartment 5 of the center 21, at its upper portion 22 provided with the refrigerating fan cooler. 冷藏用风扇22、后述的冷冻用风扇28及制冰用风扇31由控制装置40a进行变频控制,其转速可与箱内温度、运转模式或压缩机41同步变化。 Refrigerating fan 22, freezing later inverter 31 controlled by the controller 28 and the fan 40a ice fan, the speed with the inside temperature, the compressor 41 or the operation mode changes in synchronization. 在冷藏用风扇22前面设有通向冷藏室上部的冷气出口23,而且在冷藏室背面的反面上部至两侧的上下方向形成管道24,在管道24的规定间隔位置设置通向箱内的冷气出风口25,比如,对冷藏室5的置物架17的一一吹出冷气,以将冷藏室内冷却。 In the refrigerator with the refrigerating compartment cold air outlet leading to the upper portion 23 with the front of the fan 22, and conduit 24 to the vertical direction are formed on both sides of the upper portion of the rear surface on the reverse side of the refrigerator compartment, the cool air in a predetermined spaced locations disposed conduit 24 leading to the tank outlet 25, such as, one by one on the freezer shelf 5 of 17 blow cool air to the cold room cooling.

上述结构通过将冷藏用冷却器配置在面积大的冷藏室背面,使冷却器容量及冷却能力增加,即使提高蒸发温度,也能对室内充分冷却,故可减少对食品水分的吸收以防食品干燥。 By the above configuration refrigerated cooler disposed in the refrigerator compartment large area of ​​the back, so that the cooling capacity of the cooler and increased capacity, even with a high evaporation temperature can be sufficiently cooled to the room, it can reduce the absorption of moisture in the food to prevent the food drying . 而且其两侧可作为管路使用,可使室内外平坦化,能有效利用容纳空间。 And on both sides thereof can be used as a conduit, can indoor planarized receiving space can be effectively utilized.

另外,在冷藏室5的下方背面配设冷气进口26,吸入在冷藏室内循环的冷气然后送回冷却器21。 In addition, imports of 26 on the back of the refrigerator compartment 5 is disposed below the cold air, inhaled cold air cycle refrigeration compartment cooler 21 and then returned.

在冰箱本体下方的冷冻室9的背面设有冷冻用冷却器27。 In the bottom of the freezer compartment of the refrigerator body back surface 9 freezing cooler 27 is provided. 在冷冻用冷却器27的上方设置冷冻用风扇28,以将冷气吹向冷冻室内,同时将一部分冷气从向上方延设的管路30导向设在制冰室12背部的制冰用风扇31,从而向制冰室12吹出。 Freezing cooler 27 is provided above the freezing fan 28, cold air is blown to the freezing chamber, while a portion of the cold air from the guide pipe 30 extended upward is provided at the back of the ice making compartment 12 by an ice making fan 31, so as to the ice making chamber 12 is blown out.

在制冰用风扇31和温度切换室15之间,如图3的制冰室部分扩大横截面图所示,设有切换室管道32及冷气挡板16,将来自制冰用风扇31的一部分冷气引向切换室用管道32,通过冷气挡板16吹向温度切换室15内。 Between the ice-making compartment fan 31 and a temperature switch 15, the ice making compartment 3 a partially enlarged cross-sectional view shown, is provided with convertible compartment air-conditioning duct 32 and the baffle 16, from the portion of the ice-making cold air by a fan 31 directed duct switching chamber 32, the shutter 16 by the cool air blown into the temperature switching compartment 15.

前述温度切换室用冷气挡板16埋设在制冰室12与温度切换室15之间的隔离部内,不减少储藏空间。 The temperature switching compartment with cool air baffle plate 16 is embedded in the ice making compartment 15 between the spacer section 12 and the temperature switching compartment without reducing storage space. 另外可利用通向制冰室12的管道30,故不必设置温度切换室15专用的管道空间,可实现储藏空间的有效利用。 Also available duct 30 leading to the ice making compartment 12, it is not necessary to provide the temperature switching compartment 15 specific tube space, effective use of storage space.

在制冰室12和温度切换室15内各自形成冷气吸入口34、35,各自设置从蔬菜室7的背面至制冰室9的制冰室返回管道36及切换室返回管道37,将循环冷气返回到冷冻用冷却器27。 In the ice making chamber 12 and the temperature switching compartment 15 cold air suction ports 34, 35 are each formed, each disposed from the back surface of the vegetable compartment 7 to the ice making chamber 9 of the ice making compartment 36 and convertible compartment return duct return duct 37, the cold air circulation freezing cooler 27 is returned to.

这些冷气循环管道如图4的纵向截面图、图5的沿图2的AA线的截面图及图6的沿图2的BB线的截面图所示,将通向制冰室的冷气管道30与来自制冰室及切换室的返回管道36、37、以及冷冻用冷却器27、冷冻用风扇28与前述返回管道36、37并列设置在冷冻室9或蔬菜室7的背面部。 4 a longitudinal sectional view of the cool air circulation duct FIG sectional view along line AA of FIG. 2 and FIG. 5 along the cross section shown in FIG. 6 line BB in FIG. 2, the cool air duct 30 leading to the ice making chamber and the return conduit from the ice making compartment and a switching compartment 36, 37, 27 and a freezing, refrigerating fan 28 and the return conduit 36, 37 is provided on the back surface parallel portions 9 freezing chamber or vegetable chamber 7 with a cooler.

该结构可最大限地减小储藏室背面的凹凸,减小朝各室内的突出部分,有效利用蔬菜室7及蔬菜室9的容积使用效率,方便使用室内空间,而且上述的并行配置使各管道呈直线,结构简单,不会产生管道弯曲引起的阻力损失,能高效地进行冷气送风。 This structure can reduce the maximum limit of irregularities on the back of the storage compartment, the projecting portion is reduced toward the respective chamber, the volumetric efficiency of the use of the effective use of the vegetable compartment 7 and vegetable room 9, and easy to use the indoor space, and arranged in parallel above each duct linear, simple structure, the resistance loss does not occur due to bending of the pipe, blowing cool air can be efficiently performed.

而且,在从蔬菜室7至温度切换室15的冰箱本体1背面,在与冷冻冷却器27、冷冻风扇28或各管道30、36并行的位置设置凹部39,该凹部内设有对冰箱运转控制的控制回路底板40。 Further, in the refrigerator body 1 from the rear surface 7 to the vegetable compartment temperature switching chamber 15, the concave portion is provided at a position freezing cooler 27, refrigerating fan 28 of each conduit 30, 36 or 39 parallel to the recessed portion of the refrigerator equipped with an operation control control loop bottom 40.

以下,参照冰箱的运转模式进行说明。 Hereinafter, the refrigerator operation mode will be described. 图8是说明本发明的制冷循环的概要图。 FIG 8 is a schematic diagram showing a refrigeration cycle of the present invention. 从设置在冷冻室9后方下部机械室的压缩机41排出的高温制冷剂在冷凝器43放热,并由切换阀42进行流路控制,将冷藏冷却器21或冷冻冷却器27冷却,并实施交互冷却运转模式,即交互地进行后述的冷藏冷却模式和冷冻冷却模式。 Provided from high-temperature refrigerant discharged from the compressor 9 behind the freezer compartment 41 in the lower machine chamber 43 of the condenser heat, by the flow path control valve 42 is switched, the refrigerating or freezing cooler 21 is cooled cooler 27, and the embodiment alternate cooling operation mode, i.e. refrigerated cooling mode and the freezer cooling mode after alternately be described later.

冷藏冷却模式在冷藏空间的温度高于设定温度时开始工作。 Refrigerated cooling mode starts working when the temperature is higher than the set temperature of the refrigerated space. 该模式为,对切换阀42进行切换,以使制冷剂流入毛细管44并在冷藏冷却器21蒸发,以将冷藏空间冷却。 This mode, switching valve 42 is switched so that the refrigerant flows into the capillary tube 44 in a refrigerated cooler 21 and evaporated to cooling a refrigerated space. 此时,冷藏用风扇22与制冷剂流路的切换同步运转并向冷藏空间内吹出冷气进行冷却。 At this time, the refrigerating fan 22 and the refrigerant flow switching the synchronized operation to blow cold air for cooling the refrigerated space. 与冷却器进行热交换后气化的制冷剂返回压缩机40。 After exchanging heat with the cooler vaporized refrigerant returns to the compressor 40.

冷冻模式在冷冻空间的温度高于设定温度时开始工作。 Frozen working mode is started when the temperature is higher than the set temperature of the refrigerated space. 该模式为,对切换阀42进行切换,以对制冷剂流路进行切换,使制冷剂流入毛细管48并在冷冻冷却器27蒸发,并通过蓄能器45和单向阀返回压缩机41。 This mode, switching valve 42 is switched to the refrigerant flow passage is switched, the refrigerant flows into the capillary tube 48 and the freezing evaporator cooler 27, and returned to the compressor 41 through the accumulator 45 and a check valve.

然后与通往冷冻冷却器27的制冷剂流路的切换同步,以普通的转速运转冷冻用风扇28,以将冷冻空间冷却。 Then synchronized with the switching leads freezing cooler refrigerant flow path 27, the ordinary operation of the refrigerating fan 28 rotational speed, in order to cool the refrigerated space.

除霜模式时,向设置在冷冻冷却器27下部的、比如玻璃管加热器等除霜加热器47通电,以对冷冻冷却器27除霜。 When the defrosting mode, the refrigeration cooler 27 is provided at a lower portion of the glass tube such as a heater defrosting heater 47 is energized to defrost frozen cooler 27. 除霜模式以比如压缩机41的运转累计时间达8小时的定时进行,并在切换至冷藏模式后开始。 In such defrosting mode operation of the compressor 41 of a cumulative time of 8 hours timing, and starts after switching to the cold storage mode. 然后通过设在冷冻冷却器27上的除霜传感器56使冷冻冷却器27被加热到规定温度、比如3℃后,除霜模式结束,回归至冷却运转。 Then the defrost sensor 56 disposed on the freezing cooler 27 in the refrigeration cooler 27 is heated to a predetermined temperature, such as after 3 ℃, defrost mode is terminated, return to the cooling operation.

急速制冰模式时,通过设在冰箱门表面的操作盘54的按钮操作等开始执行,将冷气挡板16完全打开,使制冰用风扇31高速旋转,并使送往制冰室的冷气量增加,一直持续到制冰结束或急速制冰模式解除为止。 When the rapid ice-making mode, started by the surface of a refrigerator door provided on an operation panel 54, a button operation or the like, the cold air flap 16 is fully opened and the fan 31 rotates at high speed ice-making, and the amount of cold air sent to the ice making chamber increase continued until the end of the ice or fast ice mode is canceled so far.

泵停止模式时,在对冷藏模式和冷冻模式进行切换时,关闭切换阀41,让压缩机40旋转规定时间,比如30秒,使残留在冷冻冷却器27内的制冷剂得到回收。 When the pump stop mode, when the freezing mode and a refrigeration mode switching, the switching valve 41 closed, so that the compressor 40 is rotated for a predetermined time, such as 30 seconds, and the residue is recovered in the refrigerant in the refrigerating cooler 27.

以下对各储藏室的冷却机构进行说明。 Hereinafter, each storage compartment cooling mechanism will be described.

由前述冷却器21、27冷却的冷气在其上部的冷藏用和冷冻用风扇22、28的各自作用下向各储藏室空间内吹出,吹出的冷气如箭头所示将各冷藏室冷却,然后从吸入口返回冷却器,重复这样的循环使各储藏室冷却到规定的温度并得以保持。 Each within the storage space of the blown air cooled chiller 21, 27 in its upper part with the refrigerating and freezing fans 22 and 28 under the action of a respective, blown cold air cooling the refrigerating compartment as shown in each arrow, then from return to the cooler air inlet, the cycle is repeated so that each storage compartment is cooled to a predetermined temperature and maintained.

冷藏室5中,来自冷藏用冷却器21的冷气在冷藏用风扇22的作用下其一部分向冷藏室的上面吹出,同时其他冷气分流至在冷藏室背面两侧形成的管路24中,并从在管路24上下方向按规定间隔穿设的冷气吹出口25吹向冷藏室内,在冷藏室内循环后的冷气从吸入口26返回冷却器21,冷气循环如此重复。 5, the refrigerating chamber, the cool air from the refrigerating cooler 21 under the action of the fan 22 is blown to the upper part of the refrigerating compartment in a refrigeration, air-conditioning while the other bypass line to the back surface is formed on both sides of the refrigerating compartment 24, and from 24 in the vertical direction line by a predetermined interval of cold air provided through the air outlet 25 is blown refrigerating room, the cooler 21 returns from the suction port 26 in the cold air circulating the refrigerating room, air circulation repeat.

当冷藏室冷却到规定温度后,停止冷藏用风扇22的运转,如停止冷却作用后室内温度上升到规定温度以上时,再次驱动风扇22进行冷气循环的冷却作用。 When the refrigerating compartment is cooled to a predetermined temperature, by stopping the operation of the refrigerating fan 22, the cooling is stopped as the room temperature rises above a predetermined temperature, the cooling effect is driven again for air circulation fan 22.

冷冻空间的冷却控制基本与前述冷藏室控制相同,冷冻用冷却器27的冷气由冷冻用风扇28送至冷冻室9内,同时通过从冷冻室上部的蔬菜室7的背面中央向上方设置的送风管路30,被导向设在上部的冷藏室空间一角的制冰室12内。 Cooling the refrigerated space is substantially the same control and the control of refrigerating, freezing cooler 27 cool air is supplied to the freezing chamber 9 by the freezing fan 28, while disposed upwardly from the center of the back of the vegetable compartment through the upper portion of the freezing chamber 7 is sent air line 30, is guided to the upper portion of the refrigerating compartment space provided at a corner of the ice making chamber 12.

设在该制冰室背部的第3风扇、即制冰用风扇31的旋转使来自冷冻用风扇28的冷气的一部分吹至制冰室12内,而且一部分通过切换室管道32及冷气挡板16导入相邻的温度切换室15内并对其进行冷却。 Provided in the back of the ice making compartment fan 3, i.e. the rotation of the fan 31 the ice making portion of the cold air from the freezer fan 28 is blown into the ice making compartment 12, and a portion of the chamber by switching the air-conditioning duct 32 and the baffle 16 introduced adjacent temperature switching chamber 15 and subjected to cooling.

冷气挡板16根据设定温度来改变冷气出风口的开口面积以控制冷气的流入量,以此将温度切换室15内保持在前述的冷冻温度或激冷温度等规定的温度带。 Cool air baffle 16 to change the opening area of ​​the cold air outlet in accordance with a set temperature to control the inflow of cold air, in order to maintain a predetermined temperature of the freezing temperature, or chilled temperature zone 15 inside the temperature switching compartment.

对制冰室12、温度切换室15进行冷却后的冷气从形成于蔬菜室7背面的前述送风管路30的两侧部的制冰室用返回管路36及切换室返回管路37返回冷冻用冷却器27,并与在冷冻室9内循环后的冷气合流而再次被冷却,继续冷气循环周期。 Of the ice making compartment 12, the temperature switching compartment 15 for cold air cooling conduit section of both sides of the ice making compartment 30 from the blower 7 formed on the back of the vegetable compartment 36 and the return line with the convertible compartment return line 37 returns freezing cooler 27, and merged with the cold air circulating in the freezing compartment 9 and is again cooled, cold air cycle continues.

不过,设在制冰室12侧部的储藏室并不局限于上述实施例那样的温度切换室,即使是比冷藏室温度低的激冷温度专用室或急速冷却室也可作为冷却室而随意设定使用。 However, the side portion 12 provided at the ice making compartment storage compartment is not limited to the above embodiment, as the temperature switching compartment embodiment, even if the refrigerating temperature is lower than the specific temperature quench chamber or chambers may be rapidly cooled as a cooling chamber and casual set to use.

以下对本发明的一个变更例作说明。 Examples of a change to make the following description of the present invention.

(变更例1)图9是说明前述第1实施形态的管道结构的概要图,图10是变更例1的管道结构概要图。 (Modification 1) FIG. 9 is a schematic diagram illustrating a structure of a duct of the first embodiment, FIG. 10 is a schematic diagram of a duct structure changes.

本发明的第1实施形态如图9所示,从冷冻冷却器27生成的冷气由冷冻用风扇28经由冷气管道30向上方送风,并由制冰用风扇31吹向制冰室12内。 The first embodiment of the present invention shown in Figure 9, the cooler 27 from freezing cold air generated by the blower 28 to the top of the freezing air duct 30 via a fan, a fan 31 is blown by the ice within the ice making compartment 12. 如图10所示,由冷冻冷却器27生成的冷气由冷冻用风扇28吹向冷冻室9内,该冷冻室空间内的空气经由设在冷冻室后方的管路由制冰风扇31吹向制冰室12。 10, generated by the freezer cooler 27 by the cool air blown to the freezing chamber 28 within the freezer fan 9, air inside the freezing chamber via the space provided in the rear of the freezing chamber fan blowing pipe routing ice ice 31 room 12.

另外如图11所示,也可是由冷冻冷却器27所生成的冷气直接经由管路后由制冰风扇31吹向制冰室12。 Also shown in Figure 11, may also be frozen by the cold air generated by the cooler 27 is blown directly via the conduit 31 from the ice making compartment fan 12 ice. 在此场合下,可将冷冻用风扇28配置在冷冻冷却器27的下方,该结构可提高冷冻室9的冷冻能力并可靠地对制冰室进行冷却。 In this case, the freezer fan 28 may be disposed below the refrigerating cooler 27, the structure can increase the refrigerating capacity of the freezing chamber 9 and the ice making compartment reliably cooled.

(变更例2)自动制冰装置在制冰过程中,除了除霜模式外,要运转制冰用风扇31,。 (Modification 2) automatic ice making unit in the ice making process, in addition to the defrost mode, the fan 31 to the ice making operation ,.

进行除霜运转时,冷冻用冷却器27温度较高,如将该较高温度环境下的空气送风至制冰室12内的话会使室内温度显著上升,不仅制冰时间延长,而且储存的冰会融化。 When the defrosting operation, a high freezing temperature of the cooler 27, such as the ambient air blowing at higher temperatures to the ice making chamber 12 then causes a significant increase in the room temperature, not only prolonged ice, and stored ice will melt. 另外,冷藏模式时,尽管冷冻用冷却器27不被冷却,但冷却器温度保持在低温,通过运转制冰室风扇31使制冰室12继续冷却。 Further, when the cold storage mode, although freezing is not cooled by the cooler 27, the cooler temperature is maintained at a low temperature but, by operation of the ice making compartment fan 31 continues to cool the ice making compartment 12.

因此,除除霜模式以外,即使不是冷冻模式也运转制冰室风扇31,这样可缩短制冰时间、可靠地保持箱内温度。 Thus, in addition to the defrost mode, the operation mode can also if not frozen ice making compartment fan 31, so that the ice making time can be shortened, securely holding the internal temperature.

(变更例3)冷藏模式时,使制冰用风扇31低速运转,冷冻模式时,使制冰室风扇31高速运转。 When the cold storage mode (Modification 3), so that the ice making fan 31 at low speed, when the freezing mode, the ice making compartment fan 31 at high speed.

冷藏模式时,因冷冻冷却器27不被冷却,故无论制冰用风扇31高速旋转和低速运转,与通常的高速运转之差较小。 When the cold storage mode, by freezing cooler 27 is not cooled, so that regardless of the ice making fan 31 rotates at high speed and low speed, the difference is usually small and the high-speed operation. 因此,冷藏模式中使制冰用风扇31低速运转既可节电又能可靠地将制冰室12冷却。 Thus, the ice cold storage mode manipulation low speed fan 31 can be reliably saving both the ice making chamber 12 is cooled.

(变更例4)一旦用户利用操作盘54设定急速制冰模式,则进入任意规定时间比如8小时的急速冷冻模式。 (Modified Example 4) Once the user using the operation panel 54 to set the rapid ice-making mode, the process proceeds to an arbitrary predetermined time period such as 8 hours snap frozen mode. 制冰用风扇31高速运转,直到给水箱13的水用完,或检测出储冰量满了为止。 Ice fan 31 at high speed, up to a water tank 13 is used up, the amount of ice is detected or full. 这样可迅速、有效地制冰。 This rapid, efficient ice making.

(变更例5)一旦用户利用操作盘54设定急速制冰模式,则一旦将冷冻室9的设定温度定为比如-20oC,则规定温度下降比如3K。 (Modification 5) Once the user using the operation panel 54 to set the rapid ice-making mode, once the set temperature of the freezer compartment 9 is set at -20oC for example, such as the predetermined temperature drop 3K.

制冰用风扇31与压缩机41同步运转,一旦降低冷冻室9的设定温度,则实际的室内温度将高于设定温度,压缩机41为了提高冷冻能力而增加转速。 Ice fan 31 and the synchronous operation of the compressor 41, once the set temperature of the freezing chamber 9 is reduced, the actual indoor temperature above the set temperature, the compressor 41 is increased in order to improve refrigerating capacity speed. 因而与压缩机41同步运转的制冰风扇31的转速也自动增加,冷冻能力提高使制冰迅速进行。 41 and thus the synchronous operation of the compressor 31 of the ice making fan automatically increases the rotational speed, the refrigerating capacity improving the ice quickly.

(变更例6)制冰动作停止时,调节制冰用风扇31的转速,以保持制冰室12的室内温度。 (Modification 6) when the ice making operation is stopped, adjust the speed of fan 31 with ice to maintain the indoor temperature of the ice making compartment 12. 即,制冰动作停止中,只要保持储存的冰不融化即可,故可降低制冰风扇31的转速以有效地对制冰室12冷却,很好地保存冰,并有效地运转制冰用风扇31,以节省电力。 That is, the ice making operation is stopped, as long as they can be stored in the ice does not melt, it can reduce the rotational speed of the ice making fan 31 to efficiently cool the ice making compartment 12, well preserved ice, and ice-making operation effectively fan 31, to save power. 此时,制冰室内温度为低温时也可停止制冰用风扇31。 At this time, the ice making room temperature is a low temperature ice-making fan 31 may be stopped.

(变更例7)泵停止模式时使制冰用风扇31运转。 (Modified Example 7) an ice making fan pump 31 when the operation stop mode. 泵停止是在切换冷却模式时进行的,最好将冷冻用冷却器27的制冷剂尽快地回收至压缩机41。 Stopping the pump is in the cooling mode switch, preferably the frozen recovered refrigerant cooler 27 to the compressor 41 as soon as possible. 通过运转制冰用风扇,可增加冷冻空间的空气与冷冻用冷却器的热交换量,故可迅速回收制冷剂。 By the operation of the ice making fan, air can be increased and the freezing refrigerated space in heat exchange cooler, so the refrigerant can be quickly recovered.

以下参照附图对本发明的其他实施形态作说明。 Other embodiments of the present invention will be described below with reference to the accompanying drawings. 图12是除去本发明的门的冰箱的主视图,图13是其主要部分的纵向截面图。 FIG 12 is a front view of the door of the refrigerator according to the present invention is removed, FIG. 13 is a longitudinal cross-sectional view of a main part.

冰箱101由隔热箱体形成,由隔热壁分成冷藏空间130和冷冻空间140,这些空间互为隔热,完全独立,由后述的各冷却机构使各室之间的冷气不混合。 Refrigerator 101 is formed of a heat-insulating housing, the insulating wall into the cold storage space 130 and the refrigerated space 140, these spaces mutually insulated, completely independent, each cooling mechanism described later so that the cool air between the chambers do not mix.

冷藏空间130由冷藏分隔壁103分割成冷藏室104和蔬菜室105,在冷藏室104的下部形成制冰室109。 Refrigerated space 130 by the partition wall 103 is divided into a refrigerator refrigerator compartment 104 and vegetable compartment 105, the ice compartment 109 is formed in a lower portion 104 of the refrigerator compartment.

在冷冻空间140的上部形成第1冷冻室107,在其下部形成第2冷冻室108,在第1冷冻室107的右侧形成弱冷冻室106。 Forming a first freezing chamber 140 in the upper portion of the refrigerated space 107, the second freezing chamber is formed at a lower portion 108, the weak freezing chamber 106 formed on the right of the first freezing chamber 107.

在冷藏室104的背面配置冷藏用蒸发器(以下称R蒸发器)110和冷藏用冷却风扇(以下称R风扇)111,R风扇111根据箱内温度变动及门的开闭而被控制,在第1及第2冷冻室107、108的背壁上配置冷冻用蒸发器(以下称F蒸发器)112和冷冻用冷却风扇(以下称F风扇)113,各自独立进行冷气循环以将冷藏空间130及冷冻空间140冷却。 In the back of the refrigerator compartment 104 is disposed refrigerating evaporator (hereinafter referred to as the R evaporator) 110 and 111, the R fan 111 and the temperature variation inside the opening and closing of the door is controlled refrigerated cooling fan (hereinafter referred to as the R fan), in first and second rear walls 107 and 108 of the freezing chamber evaporator configured freezing (hereinafter referred to as the F evaporator) 112 and the freezing fan cooling (hereinafter referred to as the F fan) 113, independently of each circulation of cold air to the refrigerating space 130 and cooling the refrigerated space 140.

制冰室109配置于冷藏室104的下部左侧,周围由隔热壁围住,与冷藏室104分开进行室内温度控制。 The ice making chamber 109 disposed at the lower left of the refrigerator compartment 104, surrounded by the insulating wall around, the indoor temperature control and the refrigerating compartment 104 are separated.

从F蒸发器112向制冰室109的背面设置制冰室用管路129,在该制冰室用管路129的上部设置制冰室用风扇(以下称I风扇)131。 F from the ice making chamber 112 is provided to the back surface of the evaporator of the ice making chamber 109 with conduit 129 is provided with an upper portion of the ice making compartment fan conduit in the ice-making chamber 129 (hereinafter referred to as I fan) 131.

制冰是使风扇113的冷气经由制冰室用管路129并由I风扇131吹向制冰室109并吹向制冰盘。 Ice cold air fan 113 is a fan 131 by conduit 129 I ice-making chamber is blown through the ice making compartment 109 and the ice tray is blown. 由此使制冰盘内的水结冰,一旦结冰结束,驱动装置使132即使制冰盘转动、翻转、扭曲,使冰脱离制冰盘并掉至储冰箱133进行储存。 Whereby the freezing of the water in the ice tray, the end of the once frozen, the driving device 132 even when the ice tray rotates, evert, distort, and ice away from the ice tray 133 to the storage bin for storage.

弱冷冻室106隔着隔热壁134与第1冷冻室107相邻,顶面102、与第2冷冻室108隔开的底面135、及冰箱本体右侧壁和背壁136都由隔热壁形成,在背壁136的上部设有对流入弱冷冻室106的冷气进行控制的挡板137,在底面135上设有从弱冷冻室106通往F蒸发器的冷气出口138。 Weak freezing chamber 106 via the heat insulating wall 134 and the freezer compartment 107 adjacent to the first, top surface 102, separated from the freezing compartment 108 and the second bottom surface 135, and the right side wall and the back wall of the refrigerator body 136 by the heat insulating wall is formed, it is provided in an upper portion of the rear wall 136 of the cool air flowing into the freezer compartment 106 is low the baffle 137 controls, with access to cold air from the evaporator F weak freezing chamber 106 outlet 138 on the bottom surface 135.

在弱冷冻室106的内部配设存放食品的容器139,其安装在设在弱冷冻室106开口的门上,可自由抽出。 Weak inside the freezing chamber 106 is disposed in food storage container 139, which is mounted on the freezing compartment 106 is provided in a weakly door opening, it can be freely drawn out.

弱冷冻室106的背面下部设有由检测室内温度的热敏温度计构成的弱冷冻用温度传感器(以下称S传感器)141,它不受来自挡板137的冷风的影响,在弱冷冻室106的背面136后方设有向弱冷冻室106的挡板137送冷气的弱冷冻室用冷却风扇(以下称为S风扇)142。 Weak lower portion of the back surface 106 of the freezing chamber is provided with a weak freezing temperature sensor consisting of thermistor thermometer detecting an indoor temperature (hereinafter referred to as the sensor S) 141, the influence of cold air from the baffle 137. It is not, in the freezing chamber 106 is weak behind the rear surface 136 is provided with baffles 137 to send air to the freezing chamber 106 weak weak freezer compartment cooling fan (hereinafter, referred to as S fan) 142.

在弱冷冻室106的底面135设有使弱冷冻室106的箱内温度上升的加热器143。 In the bottom surface 135 of the weak freezing chamber 106 is provided so weak freezing chamber 106 increases the internal temperature of the heater 143.

在F蒸发器112下方设有作为除霜装置的玻璃管加热器146,以比如压缩机115的运转累积时间达8小时的定时,开始加热器加热的除霜运转,当装在F蒸发器112上的除霜结束传感器(以下称为D传感器)147检测到F蒸发器温度上升至规定温度比如3℃时结束除霜。 F below the evaporator 112 is provided as a glass defroster heater 146, such as the operation of the compressor 115 to the cumulative time of 8 hours timing heater starts defrosting operation, when installed in the F evaporator 112 defrosting the end sensor (hereinafter referred to as D sensor) 147 detects the F evaporator temperature rises to a predetermined temperature, such as at the end of the defrosting 3 ℃.

在后述的急速冷冻运转工作过程中,即使到了除霜开始时刻,除霜运转也不会启动,而是一直等到急速冷冻结束。 In the rapid freezing operation work later in the process, even if the start time to defrost, defrost operation will not start, but it has been rapidly frozen until the end.

在冰箱101的背壁下部形成的机械室114内,设有压缩机115,并设有与压缩机一起形成制冷循环的冷凝器和各种配管。 The machine chamber in a lower portion of the rear wall 114 of the refrigerator 101 is formed, a compressor 115, and form a refrigeration cycle provided with a compressor and a condenser, the various pipes. 另外在冷凝器121近旁设有风扇(以下称为C风扇)125。 Also in the vicinity of the condenser 121 is provided with a fan (hereinafter referred to as C fan) 125.

图14表示冰箱101的制冷循环。 14 shows a refrigerating cycle of the refrigerator 101. 从压缩机111排出的制冷剂通过冷凝器121后由三通阀122切换至制冷剂流道。 After the refrigerant discharged from the compressor 111 through the condenser 121 is switched by the three-way valve 122 to the refrigerant passage.

该三通阀122的一个出口依次与冷藏毛细管123和R蒸发器110连接,另一出口依次与冷冻毛细管124、F蒸发器112和蓄能器116连接。 An outlet of the three-way valve 122 is in turn connected to the refrigeration evaporator capillary 123 and R 110, in turn further outlet 124, F evaporator 112 and the accumulator 116 is connected to the freezing of the capillary. 该三通阀122可切换控制成以下4个流通状态:制冷剂只送入R蒸发器110侧的状态,只送入F蒸发器110侧的状态,制冷剂送至F、R蒸发器110、112双方的全开状态,用阀122部将制冷剂通道全部切断的全闭状态。 The three-way valve 122 can be switched into the following four flow control states: state of the refrigerant fed only the R evaporator 110 side, into the state of only the F evaporator 110 side, the refrigerant sent F, R evaporator 110, both the fully opened state 112, valve 122 will shut off all of the refrigerant passage fully closed state.

蓄能器116的出口配管在机械室114内与单向阀117连接,单向阀117的出口侧与R蒸发器110的出口配管合流并与压缩机115的吸入侧连接。 Accumulator outlet pipe 116 is connected to the check valve 117 in the machine chamber 114, the check valve outlet side of the evaporator 117 and R 110 of the outlet pipe and merges with the suction side of the compressor 115 is connected to.

图15是冰箱101的控制系统的模块图。 FIG 15 is a block diagram of a control system of the refrigerator 101. 如图所示,设置在冰箱101的背面上部进行冰箱控制的微机构成的控制部164分别与对冷冻循环进行驱动的压缩机115、将FR蒸发器110、112的冷气排向各储藏室的R风扇111、F风扇113、C风扇125、I风扇131、S风扇142、调节冷气量的挡板137、检测各室温并控制调节各冷却机器的R传感器144、F传感器145、S传感器141、D传感器147、设置在冰箱104门上进行各种运转控制及显示的操作部118连接。 As shown, the compressor 115 is provided for a microcomputer constituting the control unit 164 respectively control the refrigerator refrigeration cycle for driving the upper back surface of the refrigerator 101, the cool air of the evaporator FR 110, 112 to each storage compartment row R fan 111, F fan 113, C fan 125, I fan 131, S fan 142 to adjust the amount of cool air baffle 137, and detect the temperature of each cooling machine control regulator R sensor 144, F sensor 145, S sensor 141, D sensor 147, an operation unit and performs various operation controls display on the refrigerator 104 118.

这里对通常进行的冰箱101内温度控制运转作说明。 Described herein for controlling the operation temperature of the refrigerator 101 is usually performed. 经压缩机115压缩加压后的高温制冷剂在冷凝器121放热,然后进入三通阀122,由流路切换至R蒸发器或F蒸发器112进行蒸发冷却,从而进行后面的冷藏模式和冷冻模式交替进行的交替运转。 After pressurizing by the compressor 115 compressing refrigerant in the condenser 121 temperature heat, and then enter the three-way valve 122, switched by the flow path F through R evaporator or evaporator 112 for evaporative cooling, thereby performing the refrigerating mode and back alternate alternate mode of operation of the refrigeration.

冷藏模式用于将冷藏空间130的温度保持在规定的设定温度,当冷藏空间温度上升至大于设定值时,切换三通阀122,使制冷剂从冷藏毛细管123流入R蒸发器110侧,将通过蒸发产生的冷气导入冷藏空间130以将室内冷却。 The temperature of the cold storage mode for refrigerated space 130 is maintained at a predetermined set temperature, refrigerated space when the temperature rises to greater than a set value, the three-way valve 122, refrigerant 123 flows into the R evaporator 110 side from the refrigerator capillary, the cool air generated by the evaporator 130 to be introduced into the refrigeration room cooling space. 蒸发气化的制冷剂要返回压缩机115,但冷藏模式时,为了使制冷剂不流入比R蒸发器110蒸发温度低的F蒸发器112内而再次冷凝,在F蒸发器112侧的流道上装单向阀117。 Evaporated and gasified refrigerant returns to the compressor 115, but the cold storage mode, the refrigerant does not flow to the ratio R 110 is evaporated in the evaporator 112 F lower temperature evaporator and condensed again, the flow path in the evaporator 112 side F coat one-way valve 117.

在R蒸发器110的冷却过程中,在切换制冷剂流路的同时驱动R风扇111,将冷气吹入冷藏空间130内对室内进行冷却。 During cooling the R evaporator 110, while switching the refrigerant flow path R driven fan 111, cool air is blown into the refrigerated space 130 to chamber cooling.

冷冻模式在冷冻空间140的温度高于设定温度时启动。 Freeze mode is activated when the temperature of the refrigerated space 140 higher than the set temperature. 该模式通过三通阀122将制冷剂流路进行切换,使制冷剂流入冷冻毛细管124内,在F蒸发器112蒸发并通过蓄能器116和单向阀117返回压缩机115,形成制冷循环。 This mode switching three-way valve 122 through the refrigerant passage, the refrigerant flows into the freezer capillary tube 124, the evaporator 112 in the F evaporator and the accumulator 116 through check valve 117 and returned to the compressor 115, the refrigeration cycle is formed.

在对F蒸发器冷却的冷冻模式时,在切换制冷剂流路的同时以通常的转速运转F风扇113,以对箱内进行冷却。 When the F evaporator for cooling freezing mode, while switching the refrigerant flow path F at a normal speed operation of the fan 113 to be cooled on the inside.

关于将安放在弱冷冻室内的食品保存在弱温度带(-5至-10℃)的情况,根据图16和图17的流程图进行说明。 Food placed on the weaker stored in the freezer compartment temperature zone where the weak (-5 to -10 deg.] C), and 16 described with reference to the flowchart of FIG. 17 and FIG.

在步骤1(S1)中,将常温的食品放入弱冷冻室106的容器139内并关上门,客户通过操作部118对食品的保存温度进行指示(S2)。 In step 1 (S1), the ambient temperature of the food placed in the freezer compartment of the container 139,106 weak and close the door, the customer instruction (S2) through the operation unit 118 storage temperature of the food. 该保存温度设定在能用刀容易切割食品的弱冷冻温度带即-5至-10℃之间,这里设定为-8℃。 The storage temperature is set between the knife can easily cut the food that is frozen temperature zone of weak -5 to -10 ℃, here it is set to -8 ℃.

步骤3,客户将操作部118的弱冷冻开关放在开(ON)的状态。 Step 3, the client weakly frozen on the switch operating portion 118 is open (ON) state. 这样,控制部164将冷冻循环切换至冷冻模式,F风扇113以比通常高的转速旋转,而且S风扇142也旋转。 Thus, the control unit 164 switches the refrigerating cycle to the freezing mode, generally higher than 113 to the rotational speed of the fan F, and S fan 142 also rotates.

然后,打开挡板137,将F蒸发器112的冷气供给弱冷冻室106,如图16所示,进行急速冷冻运转(S4),直到弱冷冻室内的食品温度降至比最大冰结晶生成带的下限值低的设定温度、本例为-10℃为止。 Then, the shutter 137 is opened, the cool air of the evaporator 112 F supplied weak freezing chamber 106, as shown in Figure 16, a rapid freezing operation (S4), until the temperature of the food freezer compartment weak drops below the maximum ice crystal formation zone low temperature lower limit value, in this case up to -10 ℃. 此时加热器143不通电。 At this time, the heater 143 is not energized.

进行急速冷冻运转时,安放在容器139内的食品被冷却,且快速通过食品水分最容易冰冻的温度带、即-1~-5℃的最大冰结晶生成带,所以能在保住食品的口味和鲜度的前提下冻结食品。 When rapid freezing operation, the container 139 housed within the food product is cooled, water and food by rapid freezing temperature zone most easily, i.e. the maximum ice crystal formation -1 ~ -5 ℃, it is able to keep the food taste and frozen food premise freshness.

继续急速冷冻运转,当S传感器141检测的食品温度降至-10℃以下时,停止急速冷冻运转,在-10℃以上时则继续步骤4的急速冷冻(S5)。 Continuing the rapid refrigerating operation, when the product temperature sensor 141 detects the S drops below -10 ℃, rapid freezing operation is stopped, at least -10 ℃ rapid freezing step is continued (S5) 4 in.

在步骤6,关闭挡板137并停止S风扇142,对加热器143加热。 In step 6, the closure flap 137 and fan 142 stop S, the heater 143 is heated. 此时,进行PID控制,使不要超过-5℃。 In this case, PID control, so that not more than -5 ℃. 该PID常数最好设定得不要超过到达目标温度的时间。 The PID constants set the best time not to exceed the target temperature is reached. 如图5所示,一旦食品温度上升至-8℃,则停止加热器143(S7),然后开闭挡板137,将箱内温度保持控制在-8℃(S8)。 5, once the temperature of the food rises to -8 deg.] C, the heater is stopped 143 (S7), and then opening and closing the shutter 137, the chamber temperature control maintained at -8 ℃ (S8).

这样,进行急速冷冻运转,快速通过最大冰结晶生成带,食品不损失口味和鲜度,然后用弱冷冻温度带保存,能将食品以易切的状态冷冻保存。 In this way, rapid freezing operation, the maximum fast ice crystal formation, without loss of food freshness and taste, and then stored frozen temperature zone with a weak, easily able to cut food cryopreserved state. 此时,已保存在弱冷冻室内的食品会冷却至比弱冷冻温度带低的温度,但暂时的温度下降不会对食品的鲜度和口味有任何影响,可进行良好的保存。 At this point, it has been kept in the freezer compartment of a weak food will be cooled to freezing temperature than weak with low temperatures, but temporary drop in temperature will not have any impact on the freshness and taste of food can be good save.

即使在冷冻空间140内设置弱冷冻室106,也能通过对底面的加热器143加热来使温度容易上升至弱冷冻温度带。 Even weak freezing chamber 106 is provided in the refrigerated space 140, but also through the bottom surface of the heater 143 is heated to the temperature is likely to rise to weak freezing temperature.

急速冷冻运转一直进行到温度低于最大冰结晶生成带的下限值规定温度的时候,故即使是肉块等体积大的食品,也能冷却到最大冰结晶生成带以下,无论食品体积如何,都能均匀地良好地保存食品的鲜度和口味。 Rapid refrigerating operation is carried out until when the predetermined temperature is below the lower limit temperature of the maximum ice crystal formation, so even bulky pieces of meat and other food can also be cooled to the maximum ice crystal formation, regardless of the volume of food, can save uniformly good freshness and taste of food.

急速运转可能使食品温度与箱内温度产生差异,但只要事先针对食品的种类和大小,预先测定箱内温度与食品温度的温度差,并将可使食品达到最大冰结晶生成带的下限值的箱内温度按食品的种类和大小确定好,则一旦客户通过操作部将食品的种类和大小输入,并选择最确切的设定温度进行急速运转,就能可靠地将食品冷却至最大冰结晶生成带的下限值以下。 Fast food operation may cause a difference in temperature and the inside temperature, but the temperature for as long as the type and size of the food in advance, and the internal temperature measured in advance and the difference between the temperature of the food, and the food can reach the lower limit of maximum ice crystal formation zone good interior temperature determined by the type and size of the food, once the client and the size of the input type of food, and choose the most exact temperature setting operation through the operation unit rapidly, the food can be cooled reliably to the maximum ice crystal generating a lower limit value of the tape. 另外,如利用红外线传感器等直接检测食品温度,则能更可靠地冷却至最大冰结晶生成带以下。 Further, as temperature of the food is directly detected using an infrared sensor, it is possible to more reliably cooled to less maximum ice crystal formation.

另外,由于控制加热器,使不要超过最大冰结晶生成带的下限值,能可靠地保持弱冷冻温度带。 Further, since the control of the heater, so that not more than the lower limit of the maximum ice crystal formation zone, can be securely held weakly freezing temperature.

而且,在急速冷冻运转中不进行除霜运转加热,即使在急速冷冻中到了应该开始除霜的时刻,也可优先进行急速冷冻,可最大限度地发挥冷冻能力。 Moreover, without the rapid freezing defrosting operation in heating operation, even if the time should start to defrost in the blast chiller, the priority may be rapidly frozen, freeze maximize capacity.

本发明的实施形态是将弱冷冻室106设在冷冻室108内,但并不局限于此,也可与冷冻室分离并独立设门,也可以是能够切换至包括弱冷冻温度带的规定温度带的温度切换室15。 Embodiment of the present invention is to weak freezing chamber 106 is provided in the freezing chamber 108, but is not limited thereto, and may be separated from the freezer compartment door is provided independently, it may be able to switch to include a predetermined temperature of freezing temperature zone weak 15 with the temperature switching compartment.

发明效果综上所述,制冰室的取冰位置在用户的腰部附近,使用冰时身体不必向前倾就可容易地取出冰,使用方便,同时即使要设置将位于本体下方的冷冻用冷却器的冷气导入上方制冰室部的管路,通过将冷冻用冷却器和冷却风扇、冷气管路和返回管路并设在储藏室的背面,也可不损害箱内的容积效率,并且能使各储藏室背面形状平坦化,有效利用安放空间。 Effect of the Invention As described above, the position of the harvest the ice making chamber near the user's waist, the body does not have to use the ice can be easily taken out of ice forward, easy to use, and to set the even positioned beneath the frozen cooling body the cool air is introduced into the ice making compartment portion above the line, by freezing cooler and cooling fans, the cold air conduit and the return conduit is provided on the back surface and the storage compartment, the volumetric efficiency may not damage the tank, and can each storage compartment is flattened back surface, the effective use of mounting space.

另外,由于是在弱冷冻室将食品急速冷冻,并快速通过最大冰结晶生成带后用弱冷冻温度带保存,不会破坏食品的细胞组织,因此能保持原味,以新鲜状态保存。 Further, since the weak snap frozen food freezer compartment, and after storage with fast through the maximum ice crystal formation weak freezing temperature without damaging the tissue of food, it is possible to preserve the original flavor, fresh state save.

Claims (3)

1.一种冰箱,其特征在于,弱冷冻室与其他储藏室间隔着隔热壁,设有将前述弱冷冻室冷却的蒸发器和冷却风扇,在通往前述弱冷冻室的冷气通路中设置挡板,当在前述弱冷冻室对食品进行弱冷冻时,将前述挡板打开,使来自蒸发器的冷气在冷却风扇的作用下强制流入以作急速冷冻运转,直到前述弱冷冻室内的温度达到比在弱冷冻温度带、即-5℃~-10℃的范围内设定的保存温度更低的设定温度为止,然后,将前述弱冷冻室内的温度保持在前述保存温度。 1. A refrigerator comprising a freezer compartment and the other storage weak septal wall with insulation, is provided to the weak cooling the freezing compartment evaporator and a cooling fan, cool air is provided in the passage leading to weak freezing chamber baffle, when freezing a food product in the weak weak freezing chamber, the shutter will be opened to allow cool air from the evaporator under the action of the cooling fan for forcibly flows to rapid freezing operation, the freezing chamber until the temperature reaches the weak So far weaker than the frozen temperature zone, i.e. in the range of -5 ℃ ~ -10 ℃ storage temperature set lower set temperature, then the temperature of the freezing chamber is maintained at low the storage temperature.
2.一种冰箱,其特征在于,弱冷冻室隔着隔热壁配置在冷冻室内部,设有将前述弱冷冻室冷却的蒸发器和冷却风扇,在通往前述弱冷冻室的冷气通路中设置挡板,并设置对前述弱冷冻室进行加热的加热器,当在前述弱冷冻室对食品作弱冷冻时,将前述挡板打开,使来自蒸发器的冷气被冷却风扇强制送入以作急速冷冻运转,直到前述弱冷冻室内的温度达到比在弱冷冻温度带、即-5℃~-10℃的范围内设定的保存温度更低的设定温度为止,然后,当前述弱冷冻室内的温度比设定温度低时,对前述加热器通电,以使不超出最大冰结晶生成带的下限值。 A refrigerator, characterized in that the weak freezing chamber via heat insulating wall disposed inside the freezing chamber, freezing chamber with the weak cooling of the evaporator and a cooling fan, the cold air passage leading to the freezing chamber weak a baffle, and a heater for heating the weak freezing compartment, when the freezing chamber weak weak food for freezing, the shutter is opened, the cold air from the evaporator is forced into the fan for cooling rapid refrigerating operation, until the temperature of the freezer compartment reaches a weak weak frozen temperature zone, i.e. in the range of -5 ℃ ~ -10 ℃ storage temperature is set lower than the set temperature, then, a weak current of said freezing chamber when the temperature is lower than the set temperature of the heater is energized, so as not to exceed the lower limit of the maximum ice crystal formation.
3.根据权利要求1或2所述的冰箱,其特征在于,设有对前述蒸发器进行除霜的除霜装置,在急速冷冻运转中,前述除霜装置不工作。 The refrigerator according to claim 1 or claim 2, characterized in that a defrosting device for defrosting the evaporator, the rapid freezing operation, the defrosting device is not operating.
CN 200410056718 2001-10-12 2002-10-14 Refrigerator CN1285872C (en)

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