JP6889522B2 - refrigerator - Google Patents

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Publication number
JP6889522B2
JP6889522B2 JP2016003508A JP2016003508A JP6889522B2 JP 6889522 B2 JP6889522 B2 JP 6889522B2 JP 2016003508 A JP2016003508 A JP 2016003508A JP 2016003508 A JP2016003508 A JP 2016003508A JP 6889522 B2 JP6889522 B2 JP 6889522B2
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flow path
storage container
duct
refrigerator
cold air
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JP2017125629A (en
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英夫 上山
英夫 上山
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Toshiba Lifestyle Products and Services Corp
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Toshiba Lifestyle Products and Services Corp
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Priority to JP2016003508A priority Critical patent/JP6889522B2/en
Priority to CN201680076731.1A priority patent/CN108474609A/en
Priority to PCT/JP2016/073127 priority patent/WO2017122380A1/en
Publication of JP2017125629A publication Critical patent/JP2017125629A/en
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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
    • 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
    • F25D17/08—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 using ducts

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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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Description

本発明の実施形態は、冷蔵庫に関する。 Embodiments of the present invention relate to refrigerators.

例えば、冷蔵対象物である野菜を収納することを主目的とした容器を備える冷蔵庫において、当該容器内を冷却するために直接冷気を吹き入れた場合、容器内の湿度が下がり、野菜が乾燥するため野菜の鮮度が落ちてしまうという問題があった。 For example, in a refrigerator equipped with a container whose main purpose is to store vegetables that are objects to be refrigerated, when cold air is directly blown in to cool the inside of the container, the humidity inside the container decreases and the vegetables dry. Therefore, there was a problem that the freshness of vegetables was reduced.

また、冷気を容器内に吹き入れない場合には、容器内の湿度は上がるが、容器内外の湿度差で容器外周に結露が発生しやすくなり、容器の天井棚板に付着した水滴が野菜等に垂れ落ちてしまうことで野菜を傷めてしまうという問題があった。 If cold air is not blown into the container, the humidity inside the container will rise, but due to the difference in humidity inside and outside the container, dew condensation will easily occur on the outer circumference of the container, and water droplets adhering to the ceiling shelf of the container will be vegetables, etc. There was a problem that the vegetables were damaged by dripping.

特開平９−１１３１２４号公報Japanese Unexamined Patent Publication No. 9-113124

そこで、容器内の温度や湿度を調整可能とし、冷蔵対象物を傷めることを抑制しつつ、当該容器内を効果的に冷却可能な冷蔵庫を提供する。 Therefore, a refrigerator capable of effectively cooling the inside of the container while making it possible to adjust the temperature and humidity inside the container and suppressing damage to the object to be refrigerated is provided.

実施形態に係る冷蔵庫は、冷蔵庫に対する前後方向に摺動可能な引出し式の容器であって、上部に開口を備える貯蔵容器と、内部に圧縮機を配し上部に機械室上板を有する機械室と、前記貯蔵容器を後方に移動させた収納状態において前記開口の高さに設けられて、前記開口を覆う覆い部と、冷却器にて生成された冷気を前記貯蔵容器及び前記貯蔵容器の外周に直接に導入するダクトと、前記ダクトに備えられ、前記貯蔵容器の外周に冷気を導入する第１の流路と、前記ダクトに備えられ、前記貯蔵容器の前記開口に冷気を導入する第２の流路と、前記第１の流路と前記第２の流路との切替を行う流路切替手段と、を備え、前記覆い部は前記貯蔵容器の上部に設けられた貯蔵室の底板であり、前記ダクトは後方から前方に向けて配置されて前記底板と連続する形状となる水平部を備える流路上面部材を有し、前記水平部は前記底板と略同じ高さに配置されており、さらに前記第１の流路及び前記第２の流路は、前記流路上面部材と前記機械室上板とにより構成され、前記第２の流路の吹出し口は、前記覆い部と前記貯蔵容器の背壁の上端との間に配置され、前方に向けて開口している。 The refrigerator according to the embodiment is a drawer-type container that can slide in the front-rear direction with respect to the refrigerator, and has a storage container having an opening at the top and a machine room having a compressor inside and a machine room upper plate at the top. In a stored state in which the storage container is moved rearward, a covering portion that is provided at the height of the opening and covers the opening, and cold air generated by the cooler are applied to the storage container and the outer periphery of the storage container. A duct provided in the duct, a first flow path provided in the duct for introducing cold air to the outer periphery of the storage container, and a second flow path provided in the duct for introducing cold air into the opening of the storage container. A flow path switching means for switching between the first flow path and the second flow path is provided, and the cover portion is a bottom plate of a storage chamber provided in the upper part of the storage container. The duct has a flow path upper surface member having a horizontal portion that is arranged from the rear to the front and has a shape continuous with the bottom plate, and the horizontal portion is arranged at substantially the same height as the bottom plate. Further, the first flow path and the second flow path are composed of the flow path upper surface member and the machine chamber upper plate, and the outlet of the second flow path is the cover portion and the storage portion. It is placed between the top of the back wall of the container and opens toward the front.

実施形態に係る冷蔵庫を示す側面縦断面図Side vertical cross-sectional view showing the refrigerator according to the embodiment 実施形態に係る冷蔵庫の要部斜視図Perspective view of the main part of the refrigerator according to the embodiment 実施形態に係る冷蔵庫の要部断面図Cross-sectional view of the main part of the refrigerator according to the embodiment 実施形態に係る冷蔵庫の要部斜視図Perspective view of the main part of the refrigerator according to the embodiment 実施形態に係る冷蔵庫の要部断面図Cross-sectional view of the main part of the refrigerator according to the embodiment 実施形態に係る冷蔵庫の要部斜視図Perspective view of the main part of the refrigerator according to the embodiment

以下、実施形態による冷蔵庫を、図面を参照しながら説明する。なお、各実施形態において実質的に同一の構成部位には同一の符号を付し、説明を省略する。
（実施形態）
実施形態について図１から図６を参照して説明する。以下の説明において、冷蔵庫１０の冷凍室扉１４ａ及び１６ａ側を前側、前面側とし、その反対方向を後側、背面側、又は奥側とする。図中の矢印は冷気が流れる経路を模式的に示すものである。 Hereinafter, the refrigerator according to the embodiment will be described with reference to the drawings. In each embodiment, substantially the same constituent parts are designated by the same reference numerals, and the description thereof will be omitted.
(Embodiment)
The embodiment will be described with reference to FIGS. 1 to 6. In the following description, the freezer doors 14a and 16a of the refrigerator 10 are the front side and the front side, and the opposite directions are the rear side, the back side, or the back side. The arrows in the figure schematically show the path through which cold air flows.

図１は実施形態に係る冷蔵庫１の概略構成を示す側面縦断面図である。図２は冷蔵室扉１６ａを開けた状態の冷蔵庫１０を斜め正面から見た斜視図である。図３及び図５は、冷蔵庫１０の下部の構成を示す要部断面図である。図４及び図６は、流路上面部材３４を冷蔵庫１０の後方やや下側から見た斜視図である。 FIG. 1 is a side vertical sectional view showing a schematic configuration of the refrigerator 1 according to the embodiment. FIG. 2 is a perspective view of the refrigerator 10 with the refrigerator door 16a opened, as viewed diagonally from the front. 3 and 5 are cross-sectional views of a main part showing the structure of the lower part of the refrigerator 10. 4 and 6 are perspective views of the flow path upper surface member 34 as viewed from slightly below the rear of the refrigerator 10.

図１に示すように、実施形態に係る冷蔵庫１０は、外郭を形成する外箱と貯蔵空間を形成する内箱との間に例えば発泡断熱材を充填した断熱箱体からなる冷蔵庫本体１１を備える。冷蔵庫本体１１の内部に形成される貯蔵空間は、仕切壁１２によって上方の冷凍貯蔵室１４と下方の冷蔵貯蔵室１６とに区画されている。 As shown in FIG. 1, the refrigerator 10 according to the embodiment includes a refrigerator main body 11 formed of a heat insulating box body in which, for example, a foam heat insulating material is filled between an outer box forming an outer shell and an inner box forming a storage space. .. The storage space formed inside the refrigerator body 11 is divided into an upper freezing storage chamber 14 and a lower refrigerating storage chamber 16 by a partition wall 12.

仕切壁１２は、冷蔵庫本体１１の内部に形成される貯蔵空間を上下に断熱区画しており、仕切壁１２の上面が冷凍貯蔵室１４の底面１２ａを構成し、仕切壁１２の下面が冷蔵貯蔵室１６の天井面１２ｂを構成している。 The partition wall 12 vertically insulates a storage space formed inside the refrigerator main body 11, the upper surface of the partition wall 12 constitutes the bottom surface 12a of the freezing storage chamber 14, and the lower surface of the partition wall 12 is refrigerated storage. It constitutes the ceiling surface 12b of the room 16.

冷凍貯蔵室１４の前面開口部は、冷蔵庫１０前面に配置された冷凍室扉１４ａによって開閉可能に構成されている。冷蔵貯蔵室１６の前面開口部は、冷蔵庫１０前面に配置された冷蔵室扉１６ａによって開閉可能に構成されている。 The front opening of the freezing storage chamber 14 is configured to be openable and closable by a freezing chamber door 14a arranged on the front surface of the refrigerator 10. The front opening of the refrigerating storage chamber 16 is configured to be openable and closable by a refrigerating chamber door 16a arranged on the front surface of the refrigerator 10.

冷凍貯蔵室１４は、例えば−１８℃以下の冷凍温度に冷却される空間である。冷凍貯蔵室１４内は、載置棚１４ｂによって上下に区画されている。冷凍貯蔵室１４の背部には、冷却器１８を収納する冷却器室２０が設けられている。 The freezing storage chamber 14 is a space cooled to a freezing temperature of, for example, −18 ° C. or lower. The inside of the freezing storage chamber 14 is vertically partitioned by a mounting shelf 14b. A cooler chamber 20 for accommodating the cooler 18 is provided on the back of the freezing storage chamber 14.

冷却器室２０の内部には、冷却器１８と送風ファン２４とが収納されている。冷凍貯蔵室１４の後部には、冷蔵庫本体１１との間で冷却器室２０を形成する背面板２６が設けられている。背面版２６は冷凍貯蔵室１４の背面を構成している。冷却器カバー１９は冷却器１８の前面側に配置され、背面板２６に対向している。 A cooler 18 and a blower fan 24 are housed inside the cooler chamber 20. At the rear of the freezing storage chamber 14, a back plate 26 forming a cooler chamber 20 with the refrigerator main body 11 is provided. The back plate 26 constitutes the back surface of the freezing storage chamber 14. The cooler cover 19 is arranged on the front side of the cooler 18 and faces the back plate 26.

冷却器カバー１９と、冷凍貯蔵室１４の背面板２６の間には冷凍ダクト３８が形成されている。冷凍ダクト３８は冷蔵貯蔵室１６の背面に設けられた冷蔵ダクト３０に接続されている。風力発生手段である送風ファン２４から吹出した空気は、冷凍ダクト３８から、冷蔵貯蔵室１６の背面に設けられた冷蔵ダクト３０に流れ込むように構成されている。 A freezing duct 38 is formed between the cooler cover 19 and the back plate 26 of the freezing storage chamber 14. The freezing duct 38 is connected to a refrigerating duct 30 provided on the back surface of the refrigerating storage chamber 16. The air blown from the blower fan 24, which is a wind power generating means, is configured to flow from the refrigerating duct 38 into the refrigerating duct 30 provided on the back surface of the refrigerating storage chamber 16.

冷却器室２０に設けられた冷却器１８は、冷蔵庫１０の下部に設けられた圧縮機４４、及び、不図示の凝縮器やキャピラリーチューブ等と共に冷凍サイクルを構成している。圧縮機４４は冷蔵庫１０後方下部に設けられた機械室４６内に配置されている。圧縮機４４から吐出される冷媒が凝縮器及びキャピラリーチューブを介して冷却器１８に導入される。これにより、冷却器１８は冷却器室２０内の空気を冷却する。 The cooler 18 provided in the cooler chamber 20 constitutes a refrigeration cycle together with a compressor 44 provided in the lower part of the refrigerator 10 and a condenser, a capillary tube and the like (not shown). The compressor 44 is arranged in a machine room 46 provided in the lower rear part of the refrigerator 10. The refrigerant discharged from the compressor 44 is introduced into the cooler 18 via the condenser and the capillary tube. As a result, the cooler 18 cools the air in the cooler chamber 20.

冷蔵貯蔵室１６は、例えば、０〜３℃の冷蔵温度に冷却される空間である。冷蔵貯蔵室１６の内部は、仕切板２８及び上棚４０によって上下に区画されている。図１に例示する冷蔵庫１０では、仕切板２８及び上棚４０の間には複数段の載置棚１６ｂが設けられている。上棚４０の下方には、冷蔵庫本体１１に対して前後方向に摺動可能に設けられた引き出し式の貯蔵容器４２が設けられている。貯蔵容器４２は上部に開口を有しており、上棚４０は貯蔵容器４２の上部に位置している。上棚４０は、貯蔵容器４２上部の開口を覆う覆い部でもあり、貯蔵室１６ｃに貯蔵される貯蔵物の載置棚もしくは底板でもある。 The refrigerated storage chamber 16 is, for example, a space cooled to a refrigerated temperature of 0 to 3 ° C. The inside of the refrigerating storage chamber 16 is vertically partitioned by a partition plate 28 and an upper shelf 40. In the refrigerator 10 illustrated in FIG. 1, a plurality of stages of mounting shelves 16b are provided between the partition plate 28 and the upper shelf 40. Below the upper shelf 40, a drawer-type storage container 42 provided so as to be slidable in the front-rear direction with respect to the refrigerator main body 11 is provided. The storage container 42 has an opening at the top, and the upper shelf 40 is located at the top of the storage container 42. The upper shelf 40 is also a covering portion that covers the opening at the top of the storage container 42, and is also a storage shelf or a bottom plate for the storage stored in the storage chamber 16c.

貯蔵容器４２と圧縮機４４との間には機械室上板部４８が配置されている。機械室４６の上部において、冷蔵庫本体１１は機械室上板部４８を備えており、機械室上板部４８の表面に上板部上面４９を備える。冷蔵貯蔵室１６の最下部の貯蔵室１６ｃの下面には上棚４０が配置される。 A machine room upper plate portion 48 is arranged between the storage container 42 and the compressor 44. In the upper part of the machine room 46, the refrigerator main body 11 is provided with the machine room upper plate portion 48, and the upper surface portion 49 of the upper plate portion is provided on the surface of the machine room upper plate portion 48. An upper shelf 40 is arranged on the lower surface of the storage chamber 16c at the bottom of the refrigerating storage chamber 16.

図２から図６に示すように、貯蔵容器４２の上側であって貯蔵室１６ｃの奥側には流路上面部材３４が配置されている。機械室４６の上部に位置する機械室上板部４８の上板部上面４９と、流路上面部材３４により、下部ダクト３１が構成されている。下部ダクト３１上方には、流路切替機構３２が設けられている。流路切替機構３２は、流路切替手段たる操作レバー３２ａ、及び操作レバー３２ａに一体的に備えられた閉塞板３２ｂを備え、閉塞板３２ｂにより閉塞可能に構成される第１スリット５８及び第２スリット６０を備えている。流路切替機構３２は操作レバー３２ａを左右にスライドするように動かすことによって閉塞板３２ｂを操作し、第１スリット５８と第２スリット６０の開閉を切り替え、下部ダクト３１内を通過する冷風の経路すなわち第１流路５４と第２流路５６を切り替え可能に構成されている。操作レバー３２ａは、貯蔵容器４２の上方であって、下部ダクト３１の前方に、貯蔵室１６ｃの奥壁から前方に突出するようにして配置されている。なお、操作レバー３２ａ周囲には操作レバー３２ａの動作方向と湿度調整の高低を示す操作表示が、印刷やシールによって施されていてもよい。 As shown in FIGS. 2 to 6, a flow path upper surface member 34 is arranged on the upper side of the storage container 42 and on the back side of the storage chamber 16c. The lower duct 31 is composed of the upper surface 49 of the upper plate portion 48 of the upper plate portion 48 of the machine room located above the machine room 46 and the upper surface member 34 of the flow path. A flow path switching mechanism 32 is provided above the lower duct 31. The flow path switching mechanism 32 includes an operation lever 32a which is a flow path switching means, and a closing plate 32b integrally provided on the operation lever 32a, and the first slit 58 and the second slit 58 which are configured to be closed by the closing plate 32b. It is provided with a slit 60. The flow path switching mechanism 32 operates the closing plate 32b by moving the operation lever 32a so as to slide left and right, switches between opening and closing of the first slit 58 and the second slit 60, and is a path for cold air passing through the lower duct 31. That is, the first flow path 54 and the second flow path 56 can be switched. The operation lever 32a is arranged above the storage container 42 and in front of the lower duct 31 so as to project forward from the back wall of the storage chamber 16c. Around the operation lever 32a, an operation display indicating the operating direction of the operation lever 32a and the level of humidity adjustment may be printed or sealed.

流路上面部材３４は冷蔵庫１０後方に垂直方向に延伸する第１垂直部３４ａを有し、第１垂直部３４ａから前方に向かって略水平に延伸する水平部３６を備え、更に前側に垂直方向下側に延伸する第２垂直部３４ｂを備えている。上棚４０と水平部３６は、略同じ高さに配置されている。流路上面部材３４の水平部３６は、貯蔵室１６ｃの奥側に上棚４０に連続する形状となるように構成されている。流路上面部材３４は、これら第１垂直部３４ａ、水平部３６、及び第２垂直部３４ｂが連続して接続するように曲率を有した形状を備えている。 The flow path upper surface member 34 has a first vertical portion 34a extending vertically to the rear of the refrigerator 10, a horizontal portion 36 extending substantially horizontally from the first vertical portion 34a to the front, and further vertically to the front side. A second vertical portion 34b extending downward is provided. The upper shelf 40 and the horizontal portion 36 are arranged at substantially the same height. The horizontal portion 36 of the flow path upper surface member 34 is configured to have a shape continuous with the upper shelf 40 on the back side of the storage chamber 16c. The flow path upper surface member 34 has a shape having a curvature so that the first vertical portion 34a, the horizontal portion 36, and the second vertical portion 34b are continuously connected.

流路上面部材３４は、背面部の左右に、上下方向に延伸し、流路上面部材３４背面の形状に沿うように構成された第１側面壁５２ａ及び第２側面壁５２ｂを備えている。第１側面壁５２ａと第２側面壁５２ｂの中央には、上下方向に延伸し、流路上面部材３４背面の形状に沿うように構成された仕切壁５２ｃを備えている。第１側面壁５２ａ、第２側面壁５２ｂ、及び仕切壁５２ｃの背面３３は機械室上板部４８表面の上板部上面４９の形状に沿うように構成されており、上板部上面４９表面に密着するように配置されている。流路上面部材３４の裏面、第１側面壁５２ａ、第２側面壁５２ｂ、及び機械室上板部４８の上板部上面４９により形成された隙間は下部ダクト３１を構成している。下部ダクト３１は仕切壁５２ｃにより、左右に、第１流路５４及び第２流路５６に分けられている。下部ダクト３１は第１流路５４と第２流路５６に分断される。第１流路５４と第２流路５６は、左右方向に隣接して配置されている。 The flow path upper surface member 34 includes a first side surface wall 52a and a second side surface wall 52b that extend in the vertical direction to the left and right of the back surface portion and are configured to follow the shape of the back surface of the flow path upper surface member 34. At the center of the first side wall 52a and the second side wall 52b, a partition wall 52c extending in the vertical direction and configured to follow the shape of the back surface of the flow path upper surface member 34 is provided. The first side wall 52a, the second side wall 52b, and the back surface 33 of the partition wall 52c are configured to follow the shape of the upper surface 49 of the upper plate 48 on the surface of the upper plate 48 of the machine room, and the upper surface 49 of the upper plate 49. It is arranged so as to be in close contact with. The gap formed by the back surface of the flow path upper surface member 34, the first side surface wall 52a, the second side surface wall 52b, and the upper plate portion upper surface 49 of the machine room upper plate portion 48 constitutes the lower duct 31. The lower duct 31 is divided into a first flow path 54 and a second flow path 56 on the left and right by a partition wall 52c. The lower duct 31 is divided into a first flow path 54 and a second flow path 56. The first flow path 54 and the second flow path 56 are arranged adjacent to each other in the left-right direction.

図３及び図４に示すように、流路切替機構３２において、操作レバー３２ａを左右に操作することによって閉塞板３２ｂの位置が変更される。図３及び図４は、冷蔵庫１０の後方から見て左側の第２スリット６０が閉塞板３２ｂにより閉塞され、冷蔵庫１０の後方から見て右側の第１スリット５８が開放されている状態を示している。この場合、第１スリット５８に連通するように、第１側面壁５２ａと仕切壁５２ｃで構成された第１流路５４が形成される。貯蔵容器４２の奥側には背壁４２ａが設けられている。冷気が第１流路５４を通過する場合の吐出口である第１吹出し口６１は、背壁４２ａと、背壁４２ａ後方の背面部５０の間に配置されている。また、第１吹出し口６１は背壁４２ａ上端に位置する。 As shown in FIGS. 3 and 4, in the flow path switching mechanism 32, the position of the closing plate 32b is changed by operating the operating lever 32a left and right. 3 and 4 show a state in which the second slit 60 on the left side when viewed from the rear of the refrigerator 10 is blocked by the closing plate 32b, and the first slit 58 on the right side when viewed from the rear of the refrigerator 10 is open. There is. In this case, a first flow path 54 composed of a first side wall 52a and a partition wall 52c is formed so as to communicate with the first slit 58. A back wall 42a is provided on the back side of the storage container 42. The first outlet 61, which is a discharge port when cold air passes through the first flow path 54, is arranged between the back wall 42a and the back surface portion 50 behind the back wall 42a. The first outlet 61 is located at the upper end of the back wall 42a.

冷蔵ダクト３０から下部ダクト３１に流れ込んだ冷気は、開放状態の第１スリット５８を通り、第１流路５４に導入される。第１流路５４に導入された冷気は、流路上面部材３４の形状に沿って下方向に流れ、流路上面部材３４下部に設けられた第１吹出し口６１を通過し、貯蔵容器４２の外周後方、すなわち貯蔵容器４２の奥側の背壁４２ａと、冷蔵庫本体１１の内箱壁５０との間の隙間に導入される。これにより、冷気が貯蔵容器４２の外周に直接導入され、貯蔵容器４２内は、貯蔵容器４２の外周が冷却されることにより、間接的に冷却される。 The cold air that has flowed from the refrigerating duct 30 into the lower duct 31 passes through the first slit 58 in the open state and is introduced into the first flow path 54. The cold air introduced into the first flow path 54 flows downward along the shape of the flow path upper surface member 34, passes through the first outlet 61 provided in the lower part of the flow path upper surface member 34, and passes through the storage container 42. It is introduced into the gap behind the outer circumference, that is, between the back wall 42a on the back side of the storage container 42 and the inner box wall 50 of the refrigerator main body 11. As a result, cold air is directly introduced into the outer circumference of the storage container 42, and the inside of the storage container 42 is indirectly cooled by cooling the outer circumference of the storage container 42.

冷風は、図３に示すように、貯蔵容器４２の外周から下側の経路６４や、前側から上方向に向かう経路６６等を通り、貯蔵容器４２を外側から冷却した後に貯蔵室１６ｃに導入される。 As shown in FIG. 3, the cold air is introduced into the storage chamber 16c after cooling the storage container 42 from the outside through a path 64 from the outer circumference to the lower side of the storage container 42, a path 66 from the front side to the upper side, and the like. To.

次に、図５及び図６は、冷蔵庫１０の後方から見て右側の第１スリット５８が閉塞板３２ｂにより閉塞され、左側の第２スリット６０が開放されている状態を示している。この場合、第２スリット６０に連通するように、第２側面壁５２ｂと仕切壁５２ｃによって第２流路５６が構成される。 Next, FIGS. 5 and 6 show a state in which the first slit 58 on the right side when viewed from the rear of the refrigerator 10 is closed by the closing plate 32b, and the second slit 60 on the left side is open. In this case, the second flow path 56 is formed by the second side wall 52b and the partition wall 52c so as to communicate with the second slit 60.

第２側面壁５２ｂと仕切壁５２ｃは、下端において下壁部５２ｄに接続されており、第２側面壁５２ｂ、仕切壁５２ｃ及び下壁部５２ｄにより、Ｕの字を描くように構成されている。第２流路５６は、冷蔵ダクト３０方向から、第２スリット６０を通過し、前方向に回り込んで第２吹出し口６２から前方向に指向している。 The second side wall 52b and the partition wall 52c are connected to the lower wall portion 52d at the lower end, and are configured to draw a U shape by the second side wall 52b, the partition wall 52c and the lower wall portion 52d. .. The second flow path 56 passes through the second slit 60 from the direction of the refrigerating duct 30, wraps around in the forward direction, and is directed in the forward direction from the second outlet 62.

貯蔵容器４２の奥側には背壁４２ａが設けられており、貯蔵容器４２の後端であって背壁４２ａ上部には後縁４２ｂが設けられている。第２吹出し口６２の位置は、後縁４２ｂよりも後方に設けられている。これにより、第２吹出し口６２からの結露による水垂れ落ちが、貯蔵容器４２内に入らないようにすることができる。 A back wall 42a is provided on the back side of the storage container 42, and a trailing edge 42b is provided on the rear end of the storage container 42 and above the back wall 42a. The position of the second outlet 62 is provided behind the trailing edge 42b. As a result, it is possible to prevent water dripping due to dew condensation from the second outlet 62 from entering the storage container 42.

冷気が第２流路５６を通過する場合の吐出口である第２吹出し口６２は、上棚４０と背壁４２ａとの間に配置されている。また、第２吹出し口６２は背壁４２ａ上端に位置する。これにより、冷蔵ダクト３０から導入された冷気は、第２スリット６０を通過して下部ダクト３１の第２流路５６を通過し、下壁部５２ｄにより下方向の行く手を阻まれ、前方に誘導されて吹出し口６２を通り抜け、貯蔵容器４２内に直接導入される。すなわち、冷風は下部ダクト３１から直接に貯蔵容器４２内に導入される。 The second outlet 62, which is a discharge port when cold air passes through the second flow path 56, is arranged between the upper shelf 40 and the back wall 42a. The second outlet 62 is located at the upper end of the back wall 42a. As a result, the cold air introduced from the refrigerating duct 30 passes through the second slit 60, passes through the second flow path 56 of the lower duct 31, is blocked by the lower wall portion 52d, and is guided forward. Then, it passes through the outlet 62 and is directly introduced into the storage container 42. That is, the cold air is introduced directly into the storage container 42 from the lower duct 31.

実施形態の冷蔵庫１０によれば以下の効果を奏する。
冷蔵庫１０は流路上面部材３４を備えており、流路上面部材３４は流路切替機構３２を備えている。流路切替機構３２は、操作レバー３２ａ及びこれに一体的に構成され、第１スリット５８及び第２スリット６０の開閉を切り替え可能に構成された閉塞板３２ｂを備えている。閉塞板３２ｂは、貯蔵室１６ｃ奥壁から手前側に突出形成され、ユーザにより操作可能に配置された操作レバー３２ａを左右にスライドさせることにより、第１スリット５８を閉塞した状態と、第２スリット６０を閉塞した状態とを切り替え可能に構成されている。冷気の経路である下部ダクト３１の一部であって第１スリット５８を通過する第１流路５４は、冷気を貯蔵容器４２の外周に導入する。冷気の経路である下部ダクト３１の一部であって第２スリット６０を通過する第２流路５６は、冷気を直接、貯蔵容器４２の内部に導入する。この構成により、冷気を第１スリット５８及び第１吹出し口６１を通過させて貯蔵容器４２の外周に導入した場合には、貯蔵容器４２内をその外周から冷却することで貯蔵容器４２内の湿度を高く保つことができ、外周に結露が発生する場合には、結露の発生を抑制又は除去することができる。 According to the refrigerator 10 of the embodiment, the following effects are obtained.
The refrigerator 10 includes a flow path upper surface member 34, and the flow path upper surface member 34 includes a flow path switching mechanism 32. The flow path switching mechanism 32 includes an operation lever 32a and a closing plate 32b integrally configured with the operating lever 32a so that the opening and closing of the first slit 58 and the second slit 60 can be switched. The closing plate 32b is formed so as to project from the back wall of the storage chamber 16c toward the front side, and by sliding the operation lever 32a arranged so as to be operable by the user to the left and right, the first slit 58 is closed and the second slit 58 is closed. It is configured so that the state in which 60 is closed can be switched. The first flow path 54, which is a part of the lower duct 31 which is a path for cold air and passes through the first slit 58, introduces cold air to the outer periphery of the storage container 42. The second flow path 56, which is a part of the lower duct 31 which is a path for cold air and passes through the second slit 60, introduces cold air directly into the storage container 42. With this configuration, when cold air is introduced to the outer periphery of the storage container 42 through the first slit 58 and the first outlet 61, the humidity inside the storage container 42 is cooled by cooling the inside of the storage container 42 from the outer periphery. Can be kept high, and when dew condensation occurs on the outer circumference, the occurrence of dew condensation can be suppressed or eliminated.

また、高湿時において貯蔵容器４２の上面に位置する棚、すなわち上棚４０の結露が発生する場合は、操作レバー３２ａをスライドさせることにより、第１スリット５８を閉塞させ、第２スリット６０を開放させる状態に切り替え、貯蔵容器４２内に直接冷気を吹き込むことで貯蔵容器４２内部と外部の温度差が均衡となり、結露を解消することができる。これにより、貯蔵容器４２内に格納された例えば野菜を傷めることを抑制することが可能となる。 Further, when dew condensation occurs on the shelf located on the upper surface of the storage container 42, that is, the upper shelf 40 at the time of high humidity, the operation lever 32a is slid to close the first slit 58 and open the second slit 60. By switching to the state of allowing the storage container 42 to be operated and blowing cold air directly into the storage container 42, the temperature difference between the inside and the outside of the storage container 42 becomes balanced, and dew condensation can be eliminated. This makes it possible to prevent damage to, for example, vegetables stored in the storage container 42.

また、上記のように、下部ダクト３１すなわち第１流路５４から、貯蔵容器４２に直接冷気を導入する状態と、下部ダクト３１すなわち第２流路５６から、貯蔵容器４２の外周に直接冷気を導入する状態を、ユーザにより切り替え可能とすることで、貯蔵容器４２内の温度調節や湿度調整を可能とし、さらに、貯蔵容器４２外周に発生した結露の除去または結露発生の抑制を図ることができる。 Further, as described above, the cold air is directly introduced into the storage container 42 from the lower duct 31, that is, the first flow path 54, and the cold air is directly introduced from the lower duct 31, that is, the second flow path 56 to the outer periphery of the storage container 42. By making it possible for the user to switch the state of introduction, it is possible to control the temperature and humidity inside the storage container 42, and further, it is possible to remove the dew condensation generated on the outer periphery of the storage container 42 or suppress the occurrence of dew condensation. ..

貯蔵容器４２の上部に貯蔵室１６ｃの底部となる上棚４０が設けられている。また、上棚４０は貯蔵容器４２の上部入り口を覆う覆い部でもある。第２流路５６の下部ダクト３１からの吐出口である第２吹出し口６２は、上棚４０と貯蔵容器４２の背壁４２ａとの間に配置されている。貯蔵容器４２が上棚４０により蓋をされているため、冷気を貯蔵容器４２外周に通じた場合には、貯蔵容器４２内の湿度を高く保持可能となる。また、貯蔵容器４２内に冷気を導入する場合には、冷気が上棚４０に当たりやすくなり、上棚４０に結露が付着している場合には、これを効率的に除去することが可能となる。 An upper shelf 40, which is the bottom of the storage chamber 16c, is provided above the storage container 42. The upper shelf 40 is also a covering portion that covers the upper entrance of the storage container 42. The second outlet 62, which is a discharge port from the lower duct 31 of the second flow path 56, is arranged between the upper shelf 40 and the back wall 42a of the storage container 42. Since the storage container 42 is covered with the upper shelf 40, when cold air is passed through the outer periphery of the storage container 42, the humidity inside the storage container 42 can be kept high. Further, when cold air is introduced into the storage container 42, the cold air easily hits the upper shelf 40, and if dew condensation is attached to the upper shelf 40, it can be efficiently removed.

また、貯蔵室１６ｃの奥側には上棚４０に連続する形状となるように構成された流路上面部材３４の水平部３６が設けられている。これにより、貯蔵室１６ｃ内の貯蔵空間を大きくすることができ、貯蔵能力を向上させることができる。 Further, on the back side of the storage chamber 16c, a horizontal portion 36 of a flow path upper surface member 34 configured to have a shape continuous with the upper shelf 40 is provided. As a result, the storage space in the storage chamber 16c can be increased, and the storage capacity can be improved.

本発明のいくつかの実施形態を説明したが、これらの実施形態は、例として提示したものであり、発明の範囲を限定することは意図していない。これら新規な実施形態は、その他の様々な形態で実施されることが可能であり、発明の要旨を逸脱しない範囲で、種々の省略、置き換え、変更を行うことができる。これら実施形態やその変形は、発明の範囲や要旨に含まれるとともに、特許請求の範囲に記載された発明とその均等の範囲に含まれる。 Although some embodiments of the present invention have been described, these embodiments are presented as examples and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other embodiments, and various omissions, replacements, and changes can be made without departing from the gist of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are also included in the scope of the invention described in the claims and the equivalent scope thereof.

図面中、１０は冷蔵庫、４２は貯蔵容器、１８は冷却器、３０は冷蔵ダクト、３１は下部ダクト、４０は上棚（覆い部、底板）、４２ａは背壁、５０は背面部、５４は第１流路、５６は第２流路、３２は流路切替機構、３２ａは操作レバー（流路切替手段）、３２ｂは閉塞板、３４は流路上面部材、３６は水平部、４２ｂは後縁、６１は第１吹出し口、６２は第２吹出し口、４２ａは背壁、４４は圧縮機、４６は機械室、４８は機械室上板部、を示す。 In the drawing, 10 is a refrigerator, 42 is a storage container, 18 is a cooler, 30 is a refrigerating duct, 31 is a lower duct, 40 is an upper shelf (covering part, bottom plate), 42a is a back wall, 50 is a back part, and 54 is the first. 1 flow path, 56 is the second flow path, 32 is the flow path switching mechanism, 32a is the operation lever (flow path switching means), 32b is the closing plate, 34 is the flow path upper surface member, 36 is the horizontal part, and 42b is the trailing edge. , 61 is the first outlet, 62 is the second outlet, 42a is the back wall, 44 is the compressor, 46 is the machine room, and 48 is the upper plate of the machine room.

Claims (5)

冷蔵庫に対する前後方向に摺動可能な引出し式の容器であって、上部に開口を備える貯蔵容器と、
内部に圧縮機を配し上部に機械室上板を有する機械室と、
前記貯蔵容器を後方に移動させた収納状態において前記開口の高さに設けられて、前記開口を覆う覆い部と、
冷却器にて生成された冷気を前記貯蔵容器及び前記貯蔵容器の外周に直接に導入するダクトと、
前記ダクトに備えられ、前記貯蔵容器の外周に冷気を導入する第１の流路と、
前記ダクトに備えられ、前記貯蔵容器の前記開口に冷気を導入する第２の流路と、
前記第１の流路と前記第２の流路との切替を行う流路切替手段と、を備え、
前記覆い部は前記貯蔵容器の上部に設けられた貯蔵室の底板であり、
前記ダクトは後方から前方に向けて配置されて前記底板と連続する形状となる水平部を備える流路上面部材を有し、
前記水平部は前記底板と略同じ高さに配置されており、
前記第１の流路及び前記第２の流路は、前記流路上面部材と前記機械室上板とにより構成され、
前記第２の流路の吹出し口は、前記覆い部と前記貯蔵容器の背壁の上端との間に配置され、前方に向けて開口している、
冷蔵庫。 A drawer-type container that can slide in the front-back direction with respect to the refrigerator, and a storage container with an opening at the top.
A machine room with a compressor inside and a machine room top plate at the top,
In a stored state in which the storage container is moved rearward, a covering portion provided at the height of the opening and covering the opening,
A duct that directly introduces the cold air generated by the cooler into the storage container and the outer periphery of the storage container, and
A first flow path provided in the duct to introduce cold air to the outer periphery of the storage container, and
A second flow path provided in the duct to introduce cold air into the opening of the storage container, and
A flow path switching means for switching between the first flow path and the second flow path is provided.
The covering portion is a bottom plate of a storage chamber provided in the upper part of the storage container.
The duct has a flow path upper surface member having a horizontal portion arranged from the rear to the front and having a shape continuous with the bottom plate.
The horizontal portion is arranged at substantially the same height as the bottom plate.
The first flow path and the second flow path are composed of the flow path upper surface member and the machine room upper plate.
The outlet of the second flow path is arranged between the covering portion and the upper end of the back wall of the storage container, and opens toward the front.
refrigerator. 前記ダクトの吹出し口は、前記貯蔵容器の背壁と、前記底板との間に配置されている、
請求項１に記載の冷蔵庫。 The outlet of the duct is arranged between the back wall of the storage container and the bottom plate.
The refrigerator according to claim 1. 前記第１の流路と、前記第２の流路は、左右方向に隣接して配置されている、
請求項１又は２に記載の冷蔵庫。 The first flow path and the second flow path are arranged adjacent to each other in the left-right direction.
The refrigerator according to claim 1 or 2. 前記流路切替手段は、前記貯蔵容器の上方であって、前記ダクトの前方に配置され、左右にスライドさせることにより、前記第１の流路と第２の流路を切替可能に構成される、
請求項１から３のいずれか一項に記載の冷蔵庫。 The flow path switching means is arranged above the storage container and in front of the duct, and is configured to be able to switch between the first flow path and the second flow path by sliding left and right. ,
The refrigerator according to any one of claims 1 to 3. 前記ダクトの吹出し口は、前記貯蔵容器の後縁よりも後方に配置されている、
請求項１から４のいずれか一項に記載の冷蔵庫。 The outlet of the duct is located behind the trailing edge of the storage container.
The refrigerator according to any one of claims 1 to 4.
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