WO2017049969A1 - 冰箱 - Google Patents

冰箱 Download PDF

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Publication number
WO2017049969A1
WO2017049969A1 PCT/CN2016/086162 CN2016086162W WO2017049969A1 WO 2017049969 A1 WO2017049969 A1 WO 2017049969A1 CN 2016086162 W CN2016086162 W CN 2016086162W WO 2017049969 A1 WO2017049969 A1 WO 2017049969A1
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Prior art keywords
compartment
evaporator
air
refrigerator
compartments
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PCT/CN2016/086162
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English (en)
French (fr)
Inventor
姬立胜
戚斐斐
刘建如
聂圣源
陶海波
Original Assignee
青岛海尔电冰箱有限公司
青岛海尔股份有限公司
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Publication of WO2017049969A1 publication Critical patent/WO2017049969A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation

Definitions

  • the present invention relates to the field of refrigeration appliances, and more particularly to a refrigerator capable of preventing an evaporator from freezing.
  • the air outlet is generally disposed above the refrigerator compartment, and the air return is disposed below the compartment.
  • the evaporator is located in the closed space formed by the air duct and the box body.
  • the rotation of the fan causes the gas in the box to form a circulating circuit, and the cooling capacity of the evaporator is continuously brought into the box body to achieve the cooling effect.
  • the operating temperature of the refrigerating compartment in the refrigerator is higher than the operating temperature of the freezing compartment.
  • a refrigerator including a box body and a plurality of compartments disposed in the box body, the box body being provided with a rear wall and two side walls connected to the rear wall,
  • the plurality of compartments at least includes a first compartment and a second compartment above the first compartment, the first compartment has an operating temperature lower than an operating temperature of the second compartment, and the refrigerator is further located at the a duct between the inter-chamber and the side wall, and an evaporator and a fan located between the box and the compartment, the evaporator being disposed along a width direction of the box, the evaporator being located a central body portion and an elbow portion on both sides adjacent to the two side walls, the air duct including a plurality of air outlets provided at an upper portion of each of the compartments and a back portion disposed at a lower end of each of the compartments a tuyere, a flow guiding device is disposed between the return air outlet of the second chamber and the
  • the air return opening of the first compartment is disposed at a middle portion of the bottom end of the first compartment corresponding to a main body portion of the evaporator, and the width of the air return opening does not exceed The width of the body portion.
  • the first compartment is a freezing compartment
  • the evaporator is disposed between the freezing compartment and the rear wall.
  • the air duct is provided at the rear of the first compartment with two air outlets that discharge air to the first compartment.
  • the air duct is provided with two of the above-mentioned rear portions of the second compartment.
  • the air outlet is located at a lower left end of the second compartment and is adjacent to a left side wall of the refrigerator.
  • the refrigerator further includes a third compartment on the second compartment, the third compartment having an operating temperature greater than an operating temperature of the first compartment.
  • the air duct is uniformly provided with a plurality of the air outlets at a rear portion of the third compartment, and the air return opening of the third compartment is disposed in the third compartment
  • the lower right side of the right side is near the right side wall of the refrigerator.
  • the air duct is also provided with a flow guiding device between the air return opening of the third compartment and the curved pipe portion of the evaporator.
  • the fan is disposed above the evaporator.
  • the air outlet is obliquely disposed to obliquely blow the air flow driven by the fan into a plurality of rooms of the refrigerator.
  • the refrigerator of the present invention uses a flow guiding device between the curved pipe portion of the evaporator and the air return port of the air passage, so that the flow guiding device is used to recirculate from the relatively high temperature compartment.
  • the air flow is directed onto the body portion of the evaporator without passing over the curved portion of the evaporator, thereby preventing the evaporator from freezing and increasing the utilization of the evaporator.
  • FIG. 1 is a schematic view showing the internal structure of a refrigerator of the present invention.
  • the present invention discloses a refrigerator 100.
  • the refrigerator 100 is provided with a casing 1, a door body (not shown) attached to the front side of the casing 1, a receiving space 10 between the casing 1 and the door body, and a housing.
  • the box body 1 is provided with a rear wall 11 opposite to the door body, left and right side walls 12 extending forward from both sides of the rear wall 11, a top wall 13 at the top of the box body 1 and the top wall 13
  • the accommodating space 10 is located between the top wall 13 , the bottom wall 14 , the two side walls 12 , and the rear wall 11 .
  • the plurality of compartments 2 are housed in the accommodating space 10.
  • the plurality of compartments 2 include a first compartment 21, a second compartment 22 on the first compartment 21, and a third compartment 23 above the second compartment 22.
  • the operating temperature of the first compartment 21 is lower, and the operating temperature of the second compartment 22 is higher than the operating temperature of the first compartment 21.
  • the first compartment 21 is a freezer compartment.
  • the second compartment 22 is a variable greenhouse, and the operating temperature of the third compartment 23 is higher than the operating temperature of the first compartment 21.
  • the third compartment 23 is a refrigerating compartment.
  • the refrigerator 1 is further provided with an evaporator 3 and a fan 4 between a rear wall (not shown) of the first compartment 21 and a rear wall 11 of the casing.
  • the evaporator 3 is horizontally disposed behind the first compartment 21 in the width direction of the casing 1.
  • the fan 4 is disposed above the evaporator 3.
  • the evaporator 3 includes a main body portion 31 located in the middle and an elbow portion 32 located at both ends of the main body portion 31.
  • the curved pipe portion 32 is disposed near the left and right side walls 12 of the casing 1.
  • the main body portion 31 is provided with fins 311, and the curved tube portion 32 is a smooth pipe, and no fins are provided.
  • the refrigerator 1 is further provided with an air duct 5 between the rear wall 11 and the plurality of compartments 2.
  • the air duct 5 is provided with a plurality of air outlets 51 and a plurality of air return openings 52 respectively communicating with the plurality of compartments 2.
  • the air outlets 51 are all disposed obliquely to blow the air flow driven by the fan 4 obliquely downward into the plurality of compartments 2 of the refrigerator 1.
  • the air duct 5 is in the Two air outlets 51 are disposed on the rear wall of the first compartment 21, and a return air outlet 52 is disposed at a middle position of the bottom end of the first compartment 21, and the air return opening 52 extends in the left-right direction.
  • the width of the body portion 31 of the evaporator 3 is smaller than the width of the main body portion 31 of the evaporator 3 such that most of the air flow flowing back from the first compartment 21 to the evaporator 3 passes directly through the main body portion 31 without passing through the The bent portion 32.
  • the air duct 5 is provided with two air outlets 51 at the upper portion of the rear wall of the second compartment 22, and the left side wall 12 of the cabinet is located on the left side of the bottom end of the first compartment 21
  • a return air outlet 52 is provided at the position, and the air return port 52 returns the air flow flowing back from the second compartment 22 downwardly along the extending direction of the left side wall 12 to the evaporator 3.
  • the refrigerator is further provided with a flow guiding device 6, which guides the air flow to only pass The body portion does not pass over the curved portion 32.
  • the refluxing air stream Since the second chamber 22 has a higher operating temperature, the refluxing air stream has a larger water vapor content, so when an air stream with a large amount of water vapor enters the evaporator 3, it is easy to be in the evaporator. This problem is solved by freezing the bent pipe of 3 and guiding the air flow to the main body portion 31 by means of the flow guiding device 6.
  • the air duct 5 is provided with a plurality of the air outlets 51 at the upper portion of the rear wall of the third compartment 23, and the right side wall of the cabinet is adjacent to the right side wall 12 of the cabinet at the bottom end of the third compartment 21
  • a return air outlet 52 is provided at the position, and the air return port 52 returns the air flow flowing back from the third compartment 23 downwardly to the evaporator 3 along the extending direction of the right side wall 12.
  • the refrigerator is also provided with a flow guiding device 6, which guides the air flow to It passes only through the main body portion and does not pass through the curved pipe portion 32.
  • the refrigerator of the present invention provides a flow guiding device 6 between the curved pipe portion 32 of the evaporator 3 and the return air opening 52 of the air passage, so that the flow guiding device 6 will be used from a relatively high temperature.
  • the returning air flow in the chamber 2 is guided to the main body portion 31 of the evaporator 3 without passing through the bent portion 31 of the evaporator 3, thereby avoiding the elbow portion 31 and the casing 1 Ice is formed between the side walls 12, and the utilization rate of the evaporator 3 is increased, and the subsequent defrosting is also easily eliminated.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

一种冰箱（100），包括箱体（1）以及设置在箱体（1）内的若干间室（21、22、23）。箱体（1）设有后壁（11）及与后壁（11）连接的两侧壁（12）。若干间室（21、22、23）至少包括第一间室（21）以及位于第一间室（21）上方的第二间室（22），第一间室（21）的工作温度低于第二间室（22）的工作温度。冰箱（100）还设有位于间室（21、22、23）与侧壁（12）之间的风道（5）以及位于第一间室（21）与后壁（11）之间的蒸发器（3）及风扇（4）。蒸发器（3）沿箱体（1）的宽度方向设置，蒸发器（3）包括位于中间的主体部（31）及位于两侧靠近两侧壁（12）的弯管部（32）。风道（5）包括设于每个间室（21、22、23）上部的出风口（51）及设于每个间室（21、22、23）下端的回风口（52），第二间室（22）的回风口（52）与蒸发器（3）的弯管部（32）之间设有导流装置（6），导流装置（6）将由第二间室（22）回流至蒸发器（3）上的空气流导引至仅经过主体部（31）而不经过弯管部（32）。该冰箱（100）避免在蒸发器（3）的弯管处形成较大的冰块，提高蒸发器（3）的利用率。

Description

冰箱 技术领域
本发明涉及制冷家电领域，尤其涉及一种能够防止蒸发器结冰的冰箱。
背景技术
对于风冷冰箱而言，一般均将出风口设置在冰箱间室上方，回风口则设置在间室下方。以冷冻室举例，蒸发器位于风道与箱体形成的密闭空间内，通过风扇的转动使得箱体内的气体形成一个循环的回路，不断将蒸发器的冷量带入到箱体内达到制冷的效果。然而，冰箱中冷藏室的工作温度相对冷冻室的工作温度要高些，当空气流从冷藏室回到风道内，在经过蒸发器两侧的弯管处时，(一般来讲，弯管处都是没有翅片的光滑的管道，因此此处阻力小)，因为携带较多水蒸气，则很容易在光管与风道之间结霜，同时因为处于边缘，因此化霜时也不容易融化。另外，回风口回去的空气流，如果只经过弯管，则也不能够得到充分的冷却，从而使得从出风口吹出的空气流的温度过高，导致蒸发器的利用率低。
因此，有必要设计一种能够防蒸发器结冰的冰箱来解决上述问题。
发明内容
本发明的目的在于提供一种能够防蒸发器左右两侧结冰严重的冰箱。
为实现上述目的，本发明采用如下技术方案：一种冰箱，包括箱体以及设置在所述箱体内的若干间室，所述箱体设有后壁及与后壁连接的两侧壁，所述若干间室至少包括第一间室以及位于第一间室上方的第二间室，所述第一间室的工作温度低于第二间室的工作温度，所述冰箱还设有位于所述间室与所述侧壁之间的风道以及位于箱体与所述间室之间的蒸发器及风扇，所述蒸发器沿所述箱体的宽度方向设置，所述蒸发器包括位于中间的主体部及位于两侧靠近所述两侧壁的弯管部，所述风道包括设于每个所述间室上部的若干出风口及设于每个所述间室下端的一个回风口，所述第二间室的所述回风口与所述蒸发器的弯管部之间设有导流装置，所述导流装置将由所述第二间室回流至所述蒸发器上的空气流导引至仅经过所述主体部而不经过所述弯管部。
作为本发明进一步改进的技术方案，所述第一间室的所述回风口设于所述第一间室底端的中部与所述蒸发器的主体部对应，所述回风口的宽度不超过所述主体部的宽度。
作为本发明进一步改进的技术方案，所述第一间室为冷冻室，所述蒸发器设于所述冷冻室与所述后壁之间。
作为本发明进一步改进的技术方案，所述风道在所述第一间室后部设有两个向所述第一间室出风的所述出风口。
作为本发明进一步改进的技术方案，所述风道在所述第二间室的后部上方设有两个所述 出风口，所述第二间室的回风口位于所述第二间室左侧下端，并靠近所述冰箱的左侧壁。
作为本发明进一步改进的技术方案，所述冰箱还包括一位于第二间室上的第三间室，所述第三间室的工作温度大于所述第一间室的工作温度。
作为本发明进一步改进的技术方案，所述风道在所述第三间室后部均匀设有若干所述出风口，所述第三间室的所述回风口设于所述第三间室的右侧下端，并靠近所述冰箱的右侧壁。
作为本发明进一步改进的技术方案，所述风道在所述第三间室的回风口与所述蒸发器的所述弯管部之间同样设有一所述导流装置。
作为本发明进一步改进的技术方案，所述风扇设于所述蒸发器的上方。
作为本发明进一步改进的技术方案，所述出风口倾斜设置以将所述风扇带动的空气流倾斜向下吹入所述冰箱的若干间室内。
相较于现有技术，本发明冰箱通过在所述蒸发器的弯管部与风道的回风口之间设置一导流装置，从而利用导流装置将从相对温度较高的间室内回流的空气流导引至所述蒸发器的主体部上，而不经过蒸发器的弯管部上，从而避免蒸发器结冰，提高蒸发器的利用率。
附图说明
图1为本发明冰箱内部结构示意图。
具体实施方式
本发明揭示了一种冰箱100，所述冰箱100设有箱体1、安装在箱体1前侧的门体(未图示)、位于箱体1与门体之间的收容空间10以及收容在所述收容空间10内的若干间室2。所述箱体1设有与门体相对的后壁11、自后壁11两侧分别向前延伸的左、右侧壁12、位于箱体1顶部的顶壁13以及与所述顶壁13相对的底壁14，所述收容空间10位于所述顶壁13、底壁14、两侧壁12以及后壁11之间。所述若干间室2收容在所述收容空间10内。
所述若干间室2包括一第一间室21、位于第一间室21上的第二间室22以及位于第二间室22上方的第三间室23。所述第一间室21的工作温度较低，所述第二间室22的工作温度高于所述第一间室21的工作温度。在本实施方式中，所述第一间室21为冷冻室。所述第二间室22为变温室，所述第三间室23的工作温度高于所述第一间室21的工作温度。在本实施方式中，所述第三间室23是冷藏室。
所述冰箱1还设有位于所述第一间室21的后壁(未图示)与所述箱体的后壁11之间的蒸发器3以及风扇4。所述蒸发器3沿所述箱体1的宽度方向水平设于所述第一间室21的后方。所述风扇4设于所述蒸发器3的上方。所述蒸发器3包括位于中间的主体部31及位于主体部31两端的弯管部32。所述弯管部32靠近所述箱体1的左、右侧壁12处设置。所述主体部31上设有翅片311，而所述弯管部32则为光滑的管道，并没有设置翅片。
所述冰箱1还设有位于所述后壁11与所述若干间室2之间的风道5。所述风道5设有与所述若干间室2分别连通的若干出风口51及若干回风口52。所述出风口51均倾斜设置以将所述风扇4带动的空气流倾斜向下吹入所述冰箱1的若干间室2内。所述风道5在所述 第一间室21的后壁上设有两个所述出风口51，在所述第一间室21的底端中间位置处设有一个所述回风口52，此回风口52沿左右方向延伸的宽度小于所述蒸发器3的主体部31的宽度，如此使得从第一间室21内回流至所述蒸发器3上的空气流绝大部分直接经过所述主体部31而不经过所述弯管部32。
所述风道5在所述第二间室22的后壁上部设有两个所述出风口51，在所述第一间室21的底端左侧靠近所述箱体的左侧壁12位置处设有一个所述回风口52，此回风口52将从所述第二间室22内回流的空气流沿沿所述左侧壁12的延伸方向向下回流至所述蒸发器3上。在所述蒸发器3与所述第二间室22的所述回风口52之间，所述冰箱还设有一导流装置6，所述导流装置6将所述空气流导引至仅经过所述主体部而不经过所述弯管部32上。因为第二间室22的工作温度较高，其回流的空气流的水蒸气含量较大，因此当带有大量水蒸气的空气流进入所述蒸发器3上时，很容易在所述蒸发器3的弯管处结冰，利用所述导流装置6将所述空气流导引至所述主体部31上，则解决了该问题。
所述风道5在所述第三间室23的后壁上部设有多个所述出风口51，在所述第三间室21的底端右侧靠近所述箱体的右侧壁12位置处设有一个所述回风口52，此回风口52将从所述第三间室23内回流的空气流沿沿所述右侧壁12的延伸方向向下回流至所述蒸发器3上。在所述蒸发器3与所述第三间室23的所述回风口52之间，所述冰箱同样设有一所述导流装置6，所述导流装置6将所述空气流导引至仅经过所述主体部而不经过所述弯管部32上。因为第三间室23的工作温度较高，其回流的空气流的水蒸气含量较大，因此当带有大量水蒸气的空气流进入所述蒸发器3上时，很容易在所述蒸发器3的弯管部32处结冰，利用所述导流装置6将所述空气流导引至主体部31上，则解决了该问题。
综上所述，本发明冰箱通过在所述蒸发器3的弯管部32与风道的回风口52之间设置一导流装置6，从而利用导流装置6将从相对温度较高的间室2内回流的空气流导引至所述蒸发器3的主体部31上，而不经过蒸发器3的弯管部31上，从而避免在所述弯管部31与所述箱体1的侧壁12之间结冰，并且提高蒸发器3的利用率，后续化霜时也容易化尽。
另外，以上实施例仅用于说明本发明而并非限制本发明所描述的技术方案，对本说明书的理解应该以所属技术领域的技术人员为基础，例如“前后贯穿”指的是在未安装其他零件之前是贯穿的，再例如对“前”、“后”、“左”、“右”、“上”、“下”等方向性的描述，尽管本说明书参照上述的实施例对本发明已进行了详细的说明，但是，本领域的普通技术人员应当理解，所属技术领域的技术人员仍然可以对本发明进行修改或者等同替换，而一切不脱离本发明的精神和范围的技术方案及其改进，均应涵盖在本发明的权利要求范围内。

Claims (10)

  1. 一种冰箱，包括箱体以及设置在所述箱体内的若干间室，所述箱体设有后壁及与后壁连接的两侧壁，所述若干间室至少包括第一间室以及位于第一间室上方的第二间室，所述第一间室的工作温度低于第二间室的工作温度，所述冰箱还设有位于所述间室与所述侧壁之间的风道以及位于箱体与所述间室之间的蒸发器及风扇，所述蒸发器沿所述箱体的宽度方向设置，所述蒸发器包括位于中间的主体部及位于两侧靠近所述两侧壁的弯管部，所述风道包括设于每个所述间室上部的若干出风口及设于每个所述间室下端的一个回风口，其特征在于：所述第二间室的所述回风口与所述蒸发器的弯管部之间设有导流装置，所述导流装置将由所述第二间室回流至所述蒸发器上的空气流导引至仅经过所述主体部而不经过所述弯管部。
  2. 如权利要求1所述的冰箱，其特征在于：所述第一间室的所述回风口设于所述第一间室底端的中部与所述蒸发器的主体部对应，所述回风口的宽度不超过所述主体部的宽度。
  3. 如权利要求1所述的冰箱，其特征在于：所述第一间室为冷冻室，所述蒸发器设于所述冷冻室与所述后壁之间。
  4. 如权利要求2所述的冰箱，其特征在于：所述风道在所述第一间室后部设有两个向所述第一间室出风的所述出风口。
  5. 如权利要求1所述的冰箱，其特征在于：所述风道在所述第二间室的后部上方设有两个所述出风口，所述第二间室的回风口位于所述第二间室左侧下端，并靠近所述冰箱的左侧壁。
  6. 如权利要求1所述的冰箱，其特征在于：所述冰箱还包括一位于第二间室上的第三间室，所述第三间室的工作温度大于所述第一间室的工作温度。
  7. 如权利要求6所述的冰箱，其特征在于：所述风道在所述第三间室后部均匀设有若干所述出风口，所述第三间室的所述回风口设于所述第三间室的右侧下端，并靠近所述冰箱的右侧壁。
  8. 如权利要求7所述的冰箱，其特征在于：所述风道在所述第三间室的回风口与所述蒸发器的所述弯管部之间同样设有一所述导流装置。
  9. 如权利要求1所述的冰箱，其特征在于：所述风扇设于所述蒸发器的上方。
  10. 如权利要求1所述的冰箱，其特征在于：所述出风口倾斜设置以将所述风扇带动的空气流倾斜向下吹入所述冰箱的若干间室内。
PCT/CN2016/086162 2015-09-22 2016-06-17 冰箱 WO2017049969A1 (zh)

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Publication number Priority date Publication date Assignee Title
CN105222460B (zh) * 2015-09-22 2019-01-18 青岛海尔电冰箱有限公司 冰箱
CN111609619B (zh) * 2019-02-26 2021-09-21 青岛海尔电冰箱有限公司 回风口形成于箱体两侧壁的冰箱
CN111121362A (zh) * 2019-12-31 2020-05-08 青岛海尔电冰箱有限公司 制冷装置

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JPH0432681A (ja) * 1990-05-25 1992-02-04 Sanyo Electric Co Ltd 冷却装置
CN2926938Y (zh) * 2006-06-27 2007-07-25 海尔集团公司 空调器进出液管组及弯管遮挡装置
CN102287971A (zh) * 2011-07-04 2011-12-21 合肥美的荣事达电冰箱有限公司 蒸发器盖板和具有该蒸发器盖板的冰箱
CN102297557A (zh) * 2011-07-14 2011-12-28 合肥美的荣事达电冰箱有限公司 冰箱
CN105222460A (zh) * 2015-09-22 2016-01-06 青岛海尔电冰箱有限公司 冰箱

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JPH0432681A (ja) * 1990-05-25 1992-02-04 Sanyo Electric Co Ltd 冷却装置
CN2926938Y (zh) * 2006-06-27 2007-07-25 海尔集团公司 空调器进出液管组及弯管遮挡装置
CN102287971A (zh) * 2011-07-04 2011-12-21 合肥美的荣事达电冰箱有限公司 蒸发器盖板和具有该蒸发器盖板的冰箱
CN102297557A (zh) * 2011-07-14 2011-12-28 合肥美的荣事达电冰箱有限公司 冰箱
CN105222460A (zh) * 2015-09-22 2016-01-06 青岛海尔电冰箱有限公司 冰箱

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