JP2005321154A - Freezer/refrigerator - Google Patents

Freezer/refrigerator Download PDF

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JP2005321154A
JP2005321154A JP2004139767A JP2004139767A JP2005321154A JP 2005321154 A JP2005321154 A JP 2005321154A JP 2004139767 A JP2004139767 A JP 2004139767A JP 2004139767 A JP2004139767 A JP 2004139767A JP 2005321154 A JP2005321154 A JP 2005321154A
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refrigerator
freezer
food
cold air
quenching
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JP2004139767A
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JP4223433B2 (en
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Hiroaki Yokouchi
宏明 横内
Takenori Adachi
威則 足達
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/061—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation through special compartments
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/067—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by air ducts
    • F25D2317/0672—Outlet ducts
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/30—Quick freezing

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  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a freezer/refrigerator capable of performing rapid freezing even when food of high temperature is stored. <P>SOLUTION: This freezer/refrigerator comprises a heat transfer plate 11 having a food storing space 11a at its upper part and mounted near a cold air blowout port 29 in a freezer chamber 9, and a rapid cooling container 12 mounted near the cold air blowout port 19 under the heat transfer plate, having an opening part covered by the heat transfer plate at its upper part, provided with a cold air inflow port 17 and a cold air outflow port 18 on its wall part, and capable of storing a cold storage material 15 and the food 14. The rapid cooling container is composed of a heat transfer material. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、食品を急速冷凍することができる冷凍冷蔵庫に関するものである。   The present invention relates to a refrigerator-freezer that can rapidly freeze food.

従来の冷凍冷蔵庫は、上面に食品を載置するための載置部を形成した中空状の熱伝導材製のトレイ本体の内部に蓄冷剤を封入した急冷トレイを冷凍室内に着脱自在に設けていた（例えば、特許文献１〜３参照。）。   A conventional refrigerator-freezer has a quenching tray in which a cool storage agent is enclosed in a tray body made of a hollow heat conductive material in which a loading portion for placing food is formed on an upper surface thereof is detachably provided in the freezer compartment. (For example, refer to Patent Documents 1 to 3.)

実開昭５８−１８８５８８号公報（実用新案登録請求の範囲、第２〜４図）Japanese Utility Model Publication No. 58-188588 (utility model registration request, FIGS. 2 to 4) 実開昭５９−００７３９０号公報（実用新案登録請求の範囲、第２〜３図）Japanese Utility Model Laid-Open No. 59-007390 (claims for utility model registration, FIGS. 2 to 3) 実開昭５９−１２０８８２号公報（実用新案登録請求の範囲、第１〜３図）Japanese Utility Model Publication No. 59-120882 (claims for registration of utility model, FIGS. 1 to 3)

しかしながら、上記従来の冷凍冷蔵庫は、蓄冷剤がトレイ本体の内部に封入されていて、トレイ本体を冷却するためには熱容量の大きい冷却剤も冷却しなければならず、トレイ本体（冷却剤）の冷却に時間がかかり、温度の高い食品が収納されたとき急冷凍することができないという問題があった。また、トレイ本体は密閉構造のため、蓄冷剤の交換ができないという問題があった。また、専用の蓄冷剤入り急冷トレイを冷凍冷蔵庫に部品として備えなければならずコストアップになるという問題があった。   However, in the conventional refrigerator-freezer, the regenerator is enclosed in the tray main body, and in order to cool the tray main body, the coolant having a large heat capacity must be cooled, and the tray main body (coolant) There is a problem that it takes time for cooling and cannot be quickly frozen when food with a high temperature is stored. Moreover, since the tray main body has a sealed structure, there is a problem that the cold storage agent cannot be replaced. In addition, there is a problem in that cost must be increased because a quick cooling tray with a dedicated cool storage agent must be provided as a part in the refrigerator-freezer.

本発明は、上記に鑑みてなされたものであって、その第１の目的は、温度の高い食品が収納されても急冷凍することができ、しかも隣接する既存の食品の温度の上昇を抑制することができ、省エネルギー性のある冷凍冷蔵庫を得ることである。また、その第２の目的は、一般に市販されている蓄冷材を食品の急速冷凍及び持続冷凍に利用することができる冷凍冷蔵庫を得ることである。   The present invention has been made in view of the above, and a first object thereof is to allow quick freezing even when food with a high temperature is stored, and to suppress an increase in the temperature of an adjacent existing food. It is possible to obtain an energy-saving refrigerator-freezer. Moreover, the 2nd objective is to obtain the refrigerator-freezer which can utilize the cold storage material generally marketed for quick freezing and continuous freezing of foodstuffs.

上述した課題を解決し、目的を達成するために、本発明の冷凍冷蔵庫は、上方に食品収納空間を有して熱伝導板を冷凍室内の冷気吹出口近傍に設置し、この熱伝導板の下の冷気吹出口近傍に、上方が前記熱伝導板に覆われる開口部となり壁部に冷気流入口及び冷気流出口が設けられ、蓄冷材及び食品を収納可能な急冷容器を設置したものである。   In order to solve the above-described problems and achieve the object, the refrigerator-freezer of the present invention has a food storage space above and a heat conduction plate installed near the cold air outlet in the freezer compartment. In the vicinity of the lower cold air outlet, the upper part becomes an opening covered with the heat conduction plate, a cold air inlet and a cold air outlet are provided in the wall, and a quenching container capable of storing a cold storage material and food is installed. .

この発明によれば、食品収納空間の熱伝導板上に載置された温度の高い食品は、その上部及び側部を、冷気吹出口から吹出された冷気により冷却され、その下部を、急冷容器内を流れる冷気により冷却される熱伝導板により冷却される。   According to the present invention, the high temperature food placed on the heat conducting plate of the food storage space is cooled at the upper part and the side part by the cold air blown out from the cold air outlet, and the lower part is cooled at the quenching container. It is cooled by a heat conduction plate that is cooled by the cold air flowing inside.

この発明によれば、温度の高い食品が収納されても急冷凍することができるという効果を奏する。   According to this invention, even if food with a high temperature is stored, there exists an effect that it can be rapidly frozen.

以下に、本発明にかかる冷凍冷蔵庫の実施の形態を図面に基づいて詳細に説明する。なお、この実施の形態によりこの発明が限定されるものではない。   Hereinafter, embodiments of a refrigerator-freezer according to the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to the embodiments.

実施の形態１．
図１は、本発明にかかる実施の形態１の冷凍冷蔵庫１００の正面斜視図、図２は図１のＡ部拡大図、図３は、蓄冷材１５を収納した急冷容器１２の正面斜視図、図４は、図１のＢ−Ｂ線に沿う冷凍室９の縦断面図、図５は、実施の形態１における食品の急冷凍工程を示すフローチャートである。 Embodiment 1 FIG.
1 is a front perspective view of the refrigerator-freezer 100 according to the first embodiment of the present invention, FIG. 2 is an enlarged view of a portion A in FIG. 1, and FIG. 3 is a front perspective view of a quenching container 12 containing a cold storage material 15. FIG. 4 is a longitudinal sectional view of the freezer compartment 9 along the line BB in FIG. 1, and FIG. 5 is a flowchart showing the quick freezing process of food in the first embodiment.

実施の形態１の冷凍冷蔵庫１００は、冷凍冷蔵庫本体１の上部に冷蔵室２が設けられている。冷蔵室２には、その前面に観音開きの冷蔵室左扉３及び冷蔵室右扉４が設けられている。冷蔵室２の左下には製氷室５が設けられ、製氷室５は前面に製氷室扉６を備えている。製氷室５の内部には、図示しない自動製氷器が備えられ、製氷室５は、水から製氷した氷を保存できるように冷凍温度にされている。   In the refrigerator-freezer 100 according to the first embodiment, the refrigerator compartment 2 is provided in the upper part of the refrigerator-freezer main body 1. The refrigerating room 2 is provided with a refrigerating room left door 3 and a refrigerating room right door 4 having a double door opening on the front surface thereof. An ice making chamber 5 is provided at the lower left of the refrigerator compartment 2, and the ice making chamber 5 is provided with an ice making chamber door 6 on the front surface. The ice making chamber 5 is provided with an automatic ice making machine (not shown), and the ice making chamber 5 is set at a freezing temperature so that ice made from water can be stored.

冷蔵室２の右下には野菜室７が設けられ、野菜室７は前面に野菜室扉８を備えている。野菜室７は、野菜やビン・ボトル類が収納できるようになっている。製氷室５の下には冷凍室９が設けられ、冷凍室９は前面に冷凍室扉１０を備えている。図１は、冷凍室扉１０を開いた状態を示している。   A vegetable room 7 is provided in the lower right of the refrigerator compartment 2, and the vegetable room 7 has a vegetable room door 8 on the front. The vegetable room 7 can store vegetables, bottles and bottles. A freezer compartment 9 is provided under the ice making chamber 5, and the freezer compartment 9 has a freezer compartment door 10 on the front surface. FIG. 1 shows a state where the freezer compartment door 10 is opened.

冷凍室９の中段及び下段には、２つの冷凍食品収納容器１３、１３が引出し可能に設置されている。冷凍室９の上段には、上方に食品収納空間１１ａを有して冷凍室９内の冷気吹出口１９近傍に熱伝導板１１が設置されている。熱伝導板１１は、アルミニウム等の金属製の熱良伝導体で、冷凍室９内から取外すことができる。熱伝導板１１上に、ご飯や食肉等の急冷が必要な食品１４を載置する。   Two frozen food storage containers 13 and 13 are installed in the middle and lower stages of the freezer compartment 9 so as to be able to be pulled out. In the upper part of the freezer compartment 9, there is a food storage space 11 a above, and the heat conduction plate 11 is installed in the vicinity of the cold air outlet 19 in the freezer compartment 9. The heat conduction plate 11 is a good heat conductor made of metal such as aluminum and can be removed from the freezer compartment 9. On the heat conductive plate 11, foods 14 such as rice and meat that require rapid cooling are placed.

熱伝導板１１の下の冷気吹出口１９近傍には、上方が開口部１２ａとなり、壁部１２ｂに冷気流入口１７及び冷気流出口１８が設けられ、蓄冷材１５及び食品１４を収納可能な急冷容器１２が設置される。急冷容器１２の上部にはフランジ１２ｃが設けられ、冷凍室９の左右の側壁に設けられたガイドレール９ａ、９ａ上にフランジ１２ｃを載せ、急冷容器１２を冷凍室９内から引出し可能に設置する。   In the vicinity of the cold air outlet 19 below the heat conduction plate 11, the upper part is an opening 12 a, a cold air inlet 17 and a cold air outlet 18 are provided in the wall 12 b, and rapid cooling that can store the regenerator material 15 and the food 14 is provided. A container 12 is installed. A flange 12c is provided in the upper part of the quenching vessel 12, and the flange 12c is placed on the guide rails 9a, 9a provided on the left and right side walls of the freezing chamber 9 so that the quenching vessel 12 can be pulled out from the freezing chamber 9. .

熱伝導板１１は、急冷容器１２の開口部１２ａ全体を覆うようにフランジ１２ｃ上に載置される。それ故、熱伝導板１１及び急冷容器１２を冷凍室９内から引出して熱伝導板１１上に食品１４を載せたり、熱伝導板１１及び急冷容器１２を取外して清掃することができる。また、急冷容器１２の材質は、樹脂でも良いが、熱伝導材としてのアルミニウム、ステンレス等の金属とすることにより、熱伝導板１１からの冷熱吸収能力が高くなり、食品１４の急冷能力を高めることができる。   The heat conducting plate 11 is placed on the flange 12c so as to cover the entire opening 12a of the quenching vessel 12. Therefore, the heat conduction plate 11 and the quenching container 12 can be pulled out from the freezer compartment 9 and the food 14 can be placed on the heat conduction plate 11, or the heat conduction plate 11 and the quenching container 12 can be removed and cleaned. The material of the quenching vessel 12 may be a resin, but by using a metal such as aluminum or stainless steel as a heat conducting material, the ability to absorb cold from the heat conducting plate 11 is increased, and the quenching capability of the food 14 is increased. be able to.

蓄冷材１５は、要冷凍食品を購入した際に付属していたり、市販されている蓄冷材である。蓄冷材１５は、水の中にプロピレングリコール等を混ぜ、凝固点を０℃から−１０℃程度まで下げて蓄冷能力を高めた蓄冷剤を丈夫なビニール袋の中に封入したものである。人体には無害であるが、食品と一緒に冷凍室９に保管することに抵抗があるユーザーもいる。大きさは、５０ｍｍ×１００ｍｍで厚さ５ｍｍ程度の小さいものや、１５０ｍｍ×２００ｍｍで厚さ２０ｍｍ程度のものがある。   The cold storage material 15 is a cold storage material that comes with the purchase of frozen foods or is commercially available. The cool storage material 15 is obtained by encapsulating a cool storage agent, in which propylene glycol or the like is mixed in water and the freezing point is lowered from about 0 ° C. to about −10 ° C. to increase the cool storage capacity, in a strong plastic bag. Some users are harmless to the human body but are reluctant to store them in the freezer compartment 9 together with food. The size is 50 mm × 100 mm and a small size of about 5 mm, and 150 mm × 200 mm and a thickness of about 20 mm.

急冷容器１２の深さｈは、蓄冷材１５単体の厚さ及び数枚重ね置きする場合を考えると、５ｍｍから５０ｍｍ程度とするのが良い。急冷容器１２の後方の壁部１２ｂに設けられた冷気流入口１７から急冷容器１２内に冷気が流入し、蓄冷材１５等を冷却・冷凍し、前方の壁部１２ｂに設けられた冷気流出口１８から冷気が流出するようになっている。   The depth h of the quenching vessel 12 is preferably about 5 mm to 50 mm in consideration of the thickness of the cold storage material 15 alone and the case where several sheets are stacked. Cold air flows into the quenching vessel 12 from the cold airflow inlet 17 provided on the rear wall 12b of the quenching vessel 12, cools and freezes the regenerator material 15 and the like, and a cold airflow outlet provided on the front wall 12b Cold air flows out from 18.

図４を参照して冷凍室９の構造及び作用を説明する。図中左側が冷凍室前側で、右側が冷凍室後側であり、冷凍室９は冷凍室扉１０と断熱壁２０で囲まれている。冷凍冷蔵庫１００の通常運転時は、食品取出し時の冷凍室扉１０の開閉により冷凍室９内の温度が上昇すると、冷凍室温度センサー２１がこれを感知して図示しないコンプレッサが運転され、冷却器２２が冷却される。また、室内ファン２３が運転され、冷気が冷凍室９内を循環し、食品１４を冷却する。   The structure and operation of the freezer compartment 9 will be described with reference to FIG. In the figure, the left side is the front side of the freezer compartment, the right side is the rear side of the freezer compartment, and the freezer compartment 9 is surrounded by the freezer compartment door 10 and the heat insulating wall 20. During normal operation of the refrigerator 100, when the temperature in the freezer compartment 9 rises due to the opening / closing of the freezer compartment door 10 when the food is taken out, the freezer compartment temperature sensor 21 detects this, and a compressor (not shown) is operated to operate the cooler. 22 is cooled. Further, the indoor fan 23 is operated, and the cool air circulates in the freezer compartment 9 to cool the food 14.

蓄冷材１５を冷却する場合は、コンプレッサの運転により冷却器２２が冷却され、室内ファン２３の運転により冷気が冷気吹出口１９より吹出され、冷気流入口１７から冷気が急冷容器１２内に流入し蓄冷材１５が冷却される。蓄冷材１５の熱により温度が上がった冷気は、冷気流出口１８から流出し、冷凍室９内を下方へ流れ、床を伝って冷却器２２の位置に戻る。冷却器２２で再び冷却された冷たい冷気は、室内ファン２３によって冷凍室９内を循環する。   When cooling the regenerator material 15, the cooler 22 is cooled by the operation of the compressor, the cold air is blown out from the cold air outlet 19 by the operation of the indoor fan 23, and the cold air flows into the quenching vessel 12 from the cold air inlet 17. The cold storage material 15 is cooled. The cool air whose temperature has been raised by the heat of the cold storage material 15 flows out from the cold air outlet 18, flows downward in the freezer compartment 9, returns to the position of the cooler 22 through the floor. The cool cold air cooled again by the cooler 22 is circulated in the freezer compartment 9 by the indoor fan 23.

食品１４を急冷する場合は、蓄冷材１５を急冷容器１２に収納して予め冷凍しておき、急冷容器１２上に熱伝導板１１を設置し、その上に食品１４を載せた状態で行う。炊立てのご飯等の温度が高い食品１４を急冷凍したいときは、これを熱伝導板１１の上に載せ、冷凍室９の急冷操作を行う。そうすると、コンプレッサが運転されて冷却器２２が冷却され、室内ファン２３が運転されて冷気吹出口１９から冷気が吹出される。   When the food 14 is rapidly cooled, the cold storage material 15 is stored in the rapid cooling container 12 and frozen in advance, the heat conduction plate 11 is installed on the rapid cooling container 12, and the food 14 is placed thereon. When the food 14 having a high temperature such as cooked rice is to be quickly frozen, it is placed on the heat conducting plate 11 and the freezing room 9 is rapidly cooled. Then, the compressor is operated, the cooler 22 is cooled, the indoor fan 23 is operated, and cold air is blown out from the cold air outlet 19.

冷気吹出口１９から吹出される冷気には、熱伝導板１１上の食品１４の上部と側部に直接吹付けられる冷気と、冷気流入口１７を通って急冷容器１２内に吹込まれて熱伝導板１１を下側から冷却することにより、食品１４の下部を冷却する２つの冷気がある。食品１４は、その上部、側部及び下部から熱を奪われて急冷される。   The cold air blown from the cold air outlet 19 is blown into the quenching vessel 12 through the cold air directly blown onto the upper and side portions of the food 14 on the heat conduction plate 11 and the cold air inlet 17 to conduct heat. By cooling the plate 11 from below, there are two cool airs that cool the lower part of the food 14. The food 14 is rapidly cooled by taking heat away from the upper, side and lower parts thereof.

通常、蓄冷材１５は、ユーザーが適当に急冷容器１２に収納するので、蓄冷材１５が熱伝導板１１に接触することは少ないと考えられるが、仮に接触している場合は、蓄冷材１５の冷熱吸収力をより効果的に熱伝導板１１に伝えることができ、室内ファン２３による冷気に加えて、より急冷効果を発揮することができる。また、急冷容器１２が熱伝導材製である場合は、蓄冷材１５が熱伝導板１１に接触しているのと同様な効果を奏する。   Usually, since the user stores the cool storage material 15 in the quenching vessel 12 appropriately, it is considered that the cool storage material 15 is unlikely to contact the heat conduction plate 11, but if it is in contact, The cool heat absorption power can be transmitted to the heat conduction plate 11 more effectively, and in addition to the cool air by the indoor fan 23, a more rapid cooling effect can be exhibited. Further, when the quenching vessel 12 is made of a heat conductive material, the same effect as that when the cold storage material 15 is in contact with the heat conductive plate 11 is obtained.

ここで、食品の収納スペースから考えると、２時間程度、室内ファン２３を運転して冷気を送るだけで、食品１４は、ほぼ冷凍される。室内ファン２３が停止し、冷気が流れなくなった後も、急冷容器１２に収納された蓄冷材１５による冷却能力で、食品１４を冷凍保存することができる。実施例１の冷凍冷蔵庫１００は、ユーザーが自分で急冷したいときに急冷操作をすることができるので、ムダに急冷凍を行って電力を浪費してしまうことがない。   Here, considering the food storage space, the food 14 is almost frozen only by operating the indoor fan 23 and sending cold air for about two hours. Even after the indoor fan 23 is stopped and the cold air does not flow, the food 14 can be stored frozen by the cooling capacity of the cool storage material 15 stored in the quenching vessel 12. The refrigerator-freezer 100 according to the first embodiment can perform a quick cooling operation when the user wants to cool it by himself / herself, so that power is not wasted by performing quick freezing.

図５に、実施の形態１の冷凍冷蔵庫１００における食品１４の急冷凍工程をフローチャートで示す。まず、ステップ１では、蓄冷材１５を急冷容器１２に収納して予め冷凍し、熱伝導板１１を急冷容器１２上に設置する。ステップ２では、急冷凍したい食品１４を熱伝導板１１の上に載せる。ステップ３では、冷凍室９の急冷凍操作を行なう。ステップ４では、室内ファン２３が作動し、冷気吹出口１９から冷気が吹出し、食品１４を急冷凍する。ステップ５では、約２時間後、室内ファン２３が停止し冷気が止まり、蓄冷材１５の冷却能力で食品１４を冷凍保存する。   In FIG. 5, the quick freezing process of the foodstuff 14 in the refrigerator-freezer 100 of Embodiment 1 is shown with a flowchart. First, in step 1, the cold storage material 15 is stored in the quenching container 12 and frozen in advance, and the heat conduction plate 11 is installed on the quenching container 12. In step 2, the food 14 to be quickly frozen is placed on the heat conduction plate 11. In step 3, a quick freezing operation of the freezer compartment 9 is performed. In step 4, the indoor fan 23 is activated, the cold air blows out from the cold air outlet 19, and the food 14 is rapidly frozen. In step 5, after about 2 hours, the indoor fan 23 stops and the cold air stops, and the food 14 is stored frozen by the cooling capacity of the cold storage material 15.

ここで、例えば、冷凍食品収納容器１３に、炊立てのご飯等の温度が高い食品を入れた場合、冷凍してある既存の食品の温度が上がって解凍されてしまい、再び冷凍されることとなり、一般に知られているように、再冷凍したときに食品がパサパサした食感になり不味くなってしまうという問題が発生する。また、冷凍食品収納容器１３は、コスト的な面から樹脂で作られるので、熱い食品を収納すると、熱変形、破損などがおこりうる。   Here, for example, when food having a high temperature such as freshly cooked rice is put in the frozen food storage container 13, the temperature of the existing frozen food is increased and thawed, and is frozen again. As is generally known, there is a problem that when re-frozen, the food becomes crispy and tasteless. Moreover, since the frozen food storage container 13 is made of resin from the viewpoint of cost, when hot food is stored, thermal deformation, breakage, or the like may occur.

実施の形態１の冷凍冷蔵庫１００では、食品１４を急冷凍したい場合には、熱伝導板１１の上に食品１４を載せ、熱伝導板１１と室内ファン２３の運転による冷気循環により食品１４から熱を奪い急冷凍させる。室内ファン２３の運転終了後も、急冷容器１２内の蓄冷材１５により冷凍保存することができる。これにより、食品１４の温度が高いときにも急冷凍することができ、既に収納してある他の食品の温度上昇を抑制することができ、コンプレッサの運転時間を短縮できるので、省エネルギー効果もある。また、ユーザーによっては、食品といっしょに冷凍食品収納容器１３内に保存することに抵抗のある蓄冷材１５を、急冷容器１２に分別して収納することができる。さらに、部品として専用の蓄冷剤入り急冷トレイを冷凍冷蔵庫に備えずに済み、コスト的にも有利である。   In the refrigerator-freezer 100 according to the first embodiment, when the food 14 is to be quickly frozen, the food 14 is placed on the heat conduction plate 11, and heat is generated from the food 14 by the cold air circulation by the operation of the heat conduction plate 11 and the indoor fan 23. Take away and freeze. Even after the operation of the indoor fan 23 is completed, it can be stored frozen by the cold storage material 15 in the quenching vessel 12. As a result, quick freezing can be performed even when the temperature of the food 14 is high, the temperature rise of other foods already stored can be suppressed, and the compressor operation time can be shortened, thus providing an energy saving effect. . Further, depending on the user, the cold storage material 15 that is resistant to storage in the frozen food storage container 13 together with the food can be sorted and stored in the rapid cooling container 12. Furthermore, it is not necessary to provide the refrigerator-freezer with a dedicated quenching tray containing a regenerator as a component, which is advantageous in terms of cost.

実施の形態２．
図６は、本発明にかかる実施の形態２の冷凍冷蔵庫２００の冷凍室９の縦断面図である。図６において、図４に示すものと同等のものには同一の符号を付しその説明を省略する。 Embodiment 2. FIG.
FIG. 6 is a longitudinal sectional view of the freezer compartment 9 of the refrigerator-freezer 200 according to the second embodiment of the present invention. In FIG. 6, the same components as those shown in FIG. 4 are denoted by the same reference numerals, and the description thereof is omitted.

冷凍冷蔵庫２００の冷凍室９の天井（即ち、食品収納空間１１ａ）に、食品収納空間１１ａの温度を感知し冷凍冷蔵庫２００を自動的に急冷運転させるための急冷部温度センサ２４を設置している。他は実施の態様１の冷凍冷蔵庫１００と変わるところはない。この冷凍冷蔵庫２００は、ユーザーが急冷操作をしなくても、急冷部温度センサ２４が食品収納空間１１ａ（即ち、食品１４）の温度を感知してコンプレッサを運転させ、冷却器２２を冷却し、室内ファン２３を作動させる。   On the ceiling of the freezer compartment 9 of the refrigerator / freezer 200 (that is, the food storage space 11a), there is installed a quenching section temperature sensor 24 for detecting the temperature of the food storage space 11a and causing the refrigerator-freezer 200 to automatically perform a rapid cooling operation. . Other than that, there is no difference from the refrigerator-freezer 100 of the first embodiment. In the refrigerator-freezer 200, even if the user does not perform a rapid cooling operation, the rapid cooling section temperature sensor 24 senses the temperature of the food storage space 11a (ie, the food 14), operates the compressor, cools the cooler 22, The indoor fan 23 is operated.

熱伝導板１１の上に急冷したい食品１４を載せると、急冷部温度センサ２４が食品収納空間１１ａの温度上昇を感知し、室内ファン２３を作動させ、冷気吹出口１９から食品収納空間１１ａへ冷気が吹出される。そして、急冷部温度センサ２４で食品１４が冷凍されたことを感知すると室内ファン２３を停止させる。   When the food 14 to be rapidly cooled is placed on the heat conduction plate 11, the rapid cooling part temperature sensor 24 detects the temperature rise in the food storage space 11a, operates the indoor fan 23, and cools air from the cold air outlet 19 to the food storage space 11a. Is blown out. When the rapid cooling part temperature sensor 24 senses that the food 14 has been frozen, the indoor fan 23 is stopped.

図７に、実施の形態２の冷凍冷蔵庫２００における食品１４の急冷凍工程をフローチャートで示す。まず、ステップ１では、蓄冷材１５を急冷容器１２に収納して予め冷凍し、熱伝導板１１を急冷容器１２上に設置する。ステップ２では、急冷凍したい食品１４を熱伝導板１１の上に載せる。ステップ３では、急冷部温度センサ２４が食品収納空間１１ａの温度上昇を感知する。ステップ４では、室内ファン２３が作動し、冷気吹出口１９から食品収納空間１１ａへ冷気が吹出し、食品１４を急冷凍する。ステップ５では、急冷部温度センサ２４が食品１４の冷凍完了を感知する。ステップ６では、室内ファン２３を停止させ、冷気を止め、蓄冷材１５の冷却能力で食品１４を冷凍保存する。   In FIG. 7, the quick freezing process of the foodstuff 14 in the refrigerator-freezer 200 of Embodiment 2 is shown with a flowchart. First, in step 1, the cold storage material 15 is stored in the quenching container 12 and frozen in advance, and the heat conduction plate 11 is installed on the quenching container 12. In step 2, the food 14 to be quickly frozen is placed on the heat conduction plate 11. In step 3, the rapid cooling part temperature sensor 24 senses a temperature rise in the food storage space 11a. In step 4, the indoor fan 23 is actuated, and cold air blows out from the cold air outlet 19 to the food storage space 11 a to rapidly freeze the food 14. In step 5, the rapid cooling section temperature sensor 24 detects completion of freezing of the food 14. In step 6, the indoor fan 23 is stopped, the cold air is stopped, and the food 14 is stored frozen with the cooling capacity of the cold storage material 15.

この急冷凍工程では、蓄冷材１５を予め冷凍しておかない状態から食品１４を急冷することも可能である。ただし、そのようにすると、室内ファン２３を運転する時間が長くなり電力を食うので、予め蓄冷材１５を収納しておいたほうがよい。また、蓄冷材１５を収納しておかない場合、食品表面の温度低下を感知して運転停止しても、食品内部の温度がまだ高い場合があり、再び食品表面の温度が上昇し冷凍冷蔵庫２００が再運転することになりかねない。   In this quick freezing step, the food 14 can be rapidly cooled from a state where the cold storage material 15 is not frozen in advance. However, if it does so, since the time which drive | operates the indoor fan 23 will become long and will consume electric power, it is better to store the cool storage material 15 previously. In addition, if the cold storage material 15 is not stored, the temperature inside the food may still be high even if the operation is stopped due to the detection of the temperature drop on the food surface. Could be driving again.

実施の形態３．
図８は、本発明にかかる実施の形態３の冷凍冷蔵庫３００の冷凍室９の急冷容器１２設置部の縦断面図である。 Embodiment 3 FIG.
FIG. 8 is a longitudinal cross-sectional view of the quenching container 12 installation part of the freezer compartment 9 of the refrigerator-freezer 300 according to the third embodiment of the present invention.

実施の形態３の冷凍冷蔵庫３００では、熱伝導板１１の大きさを実施の形態１、２のものより小さくし、急例容器１２の開口部の一部（例えば、後方の半分。左右の一部でもよい。）を覆うようにしたものである。この熱伝導板１１は、急冷容器１２の開口部１２ａ上（フランジ１２ｃ上）を前後または左右に移動することができる。他は実施の形態１、２の冷凍冷蔵庫１００、２００と変わるところはない。実施の形態３の冷凍冷蔵庫３００によれば、実施の形態１、２と同様の効果を奏する上に、ボトル等の背の高い食品２５を急冷容器１２に収納し冷凍することができる。   In the refrigerator-freezer 300 of the third embodiment, the size of the heat conduction plate 11 is made smaller than that of the first and second embodiments, and a part of the opening of the sudden container 12 (for example, the rear half. Part may also be covered). The heat conducting plate 11 can move back and forth or left and right on the opening 12a (on the flange 12c) of the quenching vessel 12. Other than that, there is no difference from the refrigerators 100 and 200 of the first and second embodiments. According to the refrigerator-freezer 300 of the third embodiment, the same effects as those of the first and second embodiments can be obtained, and a tall food 25 such as a bottle can be stored in the quenching container 12 and frozen.

実施の形態４．
図９は、本発明にかかる実施の形態４の冷凍冷蔵庫４００の冷凍室９の急冷容器１２設置部の縦断面図である。 Embodiment 4 FIG.
FIG. 9 is a longitudinal cross-sectional view of the quenching container 12 installation part of the freezer compartment 9 of the refrigerator-freezer 400 according to the fourth embodiment of the present invention.

実施の形態４の冷凍冷蔵庫４００では、急冷容器１２の冷気流入口１７に向けて冷気を吹出す冷気吹出口１９を斜め上向きに形成し、冷気流入口１７から急冷容器１２に流入する冷気の流入方向を熱伝導板１１に向かうようにしている。他は実施の態様１〜３の冷凍冷蔵庫１００〜３００と変わるところはない。実施の形態４の冷凍冷蔵庫４００によれば、実施の形態１〜３と同様の効果を奏する上に、熱伝導板１１の冷熱吸収力を高め、食品１４をより早く冷凍することができる。   In the refrigerator-freezer 400 according to the fourth embodiment, the cold air outlet 19 that blows out the cold air toward the cold air inlet 17 of the quenching vessel 12 is formed obliquely upward, and the inflow of cold air that flows into the quenching vessel 12 from the cold air inlet 17 is formed. The direction is directed toward the heat conducting plate 11. Other than that, there is no difference from the refrigerator-freezers 100 to 300 of Embodiments 1 to 3. According to the refrigerator-freezer 400 of the fourth embodiment, the effects similar to those of the first to third embodiments can be obtained, and the heat absorption capacity of the heat conducting plate 11 can be increased, and the food 14 can be frozen more quickly.

実施の形態５．
図１０は、本発明にかかる実施の形態５の冷凍冷蔵庫５００の冷凍室９の急冷容器１２設置部の縦断面図である。 Embodiment 5 FIG.
FIG. 10 is a vertical cross-sectional view of the quenching container 12 installation portion of the freezer compartment 9 of the refrigerator-freezer 500 according to the fifth embodiment of the present invention.

実施の形態５の冷凍冷蔵庫５００では、急冷容器１２の底部に断熱材２６ａを設置し、底部を断熱層２６としている。他は実施の形態１〜４の冷凍冷蔵庫１００〜４００と変わるところはない。実施の形態５の冷凍冷蔵庫５００によれば、実施の形態１〜４と同様の効果を奏する上に、温かい食品１４を食品収納空間１１ａに収納した場合に、急冷容器１２の下方の冷凍室９内の温度上昇を抑制することができる。   In the refrigerator-freezer 500 according to the fifth embodiment, a heat insulating material 26 a is installed at the bottom of the quenching vessel 12, and the bottom is the heat insulating layer 26. Other than that, there is no difference from the refrigerator-freezers 100 to 400 of the first to fourth embodiments. According to the refrigerator-freezer 500 of the fifth embodiment, in addition to the same effects as those of the first to fourth embodiments, when the warm food 14 is stored in the food storage space 11a, the freezer compartment 9 below the quenching container 12 is used. The temperature rise inside can be suppressed.

実施の形態６．
図１１は、本発明にかかる実施の形態６の冷凍冷蔵庫６００の冷凍室９の急冷容器１２設置部の縦断面図である。 Embodiment 6 FIG.
FIG. 11: is a longitudinal cross-sectional view of the quenching container 12 installation part of the freezer compartment 9 of the refrigerator-freezer 600 of Embodiment 6 concerning this invention.

実施の形態６の冷凍冷蔵庫６００では、急冷容器１２にリフト２７が備えられている。リフト２７は、昇降台２８と、引張コイルバネ２７ｂの引張力により上方へ伸張するＸ脚２７ａとから成っている。Ｘ脚２７ａの替わりに複数の巻径の大きい圧縮コイルバネ（図示せず）を用いても良い。熱伝導板１１は、下から押し上げられても急冷容器１２から外れないように、急冷容器１２の上部内側に設けられた溝１２ｄに嵌め込まれている。他は実施の態様１〜５の冷凍冷蔵庫１００〜５００と変わるところはない。   In the refrigerator-freezer 600 according to the sixth embodiment, the quenching container 12 is provided with a lift 27. The lift 27 includes an elevator 28 and an X leg 27a that extends upward by the tensile force of the tension coil spring 27b. A plurality of large compression coil springs (not shown) may be used instead of the X legs 27a. The heat conducting plate 11 is fitted in a groove 12d provided on the inner side of the upper portion of the quenching vessel 12 so that it does not come off the quenching vessel 12 even if pushed up from below. Other than that, there is no difference from the refrigerator-freezers 100 to 500 of Embodiments 1 to 5.

この冷凍冷蔵庫６００では、急冷容器１２に収納し昇降台２８に載せた蓄冷材１５をリフト２７により持ち上げ、熱伝導板１１に接触または密着させる。実施の形態６の冷凍冷蔵庫６００によれば、実施の形態１〜５と同様の効果を奏する上に、蓄冷材１５の冷熱吸収力を直接に熱伝導板１１に伝えることができ、食品１４をより早く冷凍することができる。   In the refrigerator-freezer 600, the cold storage material 15 stored in the quenching container 12 and placed on the lifting table 28 is lifted by a lift 27 and brought into contact with or in close contact with the heat conduction plate 11. According to the refrigerator-freezer 600 of the sixth embodiment, the effects similar to those of the first to fifth embodiments can be obtained, and the cold heat absorption capacity of the cold storage material 15 can be directly transmitted to the heat conduction plate 11 to It can be frozen more quickly.

以上のように、本発明にかかる冷凍冷蔵庫１００〜６００は、温度の高い食品の急速冷凍に適している。   As described above, the refrigerator-freezers 100 to 600 according to the present invention are suitable for quick freezing of foods having a high temperature.

実施の形態１の冷凍冷蔵庫の正面斜視図である。2 is a front perspective view of the refrigerator-freezer according to Embodiment 1. FIG. 図１のＡ部拡大図である。It is the A section enlarged view of FIG. 蓄冷材を収納した急冷容器の正面斜視図である。It is a front perspective view of the quenching container which accommodated the cool storage material. 図１のＢ−Ｂ線に沿う断面図である。It is sectional drawing which follows the BB line of FIG. 実施の形態１における食品の急冷凍工程を示すフローチャートである。4 is a flowchart showing a quick freezing process for food in the first embodiment. 実施の形態２の冷凍冷蔵庫の冷凍室の縦断面図である。It is a longitudinal cross-sectional view of the freezer compartment of the refrigerator-freezer of Embodiment 2. 実施の形態２における食品の急冷凍工程を示すフローチャートである。6 is a flowchart showing a quick freezing process for food in the second embodiment. 実施の形態３の冷凍冷蔵庫の冷凍室の急冷容器設置部の縦断面図である。It is a longitudinal cross-sectional view of the quenching container installation part of the freezer compartment of the refrigerator-freezer of Embodiment 3. 実施の形態４の冷凍冷蔵庫の冷凍室の急冷容器設置部の縦断面図である。It is a longitudinal cross-sectional view of the quenching container installation part of the freezer compartment of the refrigerator-freezer of Embodiment 4. 実施の形態５の冷凍冷蔵庫の急冷容器設置部の縦断面図である。It is a longitudinal cross-sectional view of the quenching container installation part of the refrigerator-freezer of Embodiment 5. 実施の形態６の冷凍冷蔵庫の急冷容器設置部の縦断面図である。It is a longitudinal cross-sectional view of the quenching container installation part of the refrigerator-freezer of Embodiment 6.

符号の説明Explanation of symbols

９ 冷凍室
１１ 熱伝導板
１１ａ 食品収納空間
１２ 急冷容器
１２ａ 開口部
１２ｂ 壁部
１４ 食品
１５ 蓄冷材
１７ 冷気流入口
１８ 冷気流出口
１９ 冷気吹出口
２１ 急冷部温度センサ
２６ 断熱層
２７ リフト DESCRIPTION OF SYMBOLS 9 Freezing room 11 Heat conduction board 11a Food storage space 12 Quenching container 12a Opening part 12b Wall part 14 Food 15 Cold storage material 17 Cold airflow inlet 18 Cold airflow outlet 19 Cold air outlet 21 Rapid cooling part temperature sensor 26 Heat insulation layer 27 Lift

Claims (7)

上方に食品収納空間を有して冷凍室内の冷気吹出口近傍に設置された熱伝導板と、
前記熱伝導板の下の冷気吹出口近傍に設置され、上方が前記熱伝導板に覆われる開口部となり、壁部に冷気流入口及び冷気流出口が設けられ、蓄冷材及び食品を収納可能な急冷容器と、
を備えた冷凍冷蔵庫。 A heat conduction plate installed in the vicinity of the cold air outlet in the freezer compartment with a food storage space above,
Installed in the vicinity of the cold air outlet under the heat conduction plate, the upper part is an opening covered with the heat conduction plate, the wall is provided with a cold air flow inlet and a cold air flow outlet, and can store cold storage material and food A quenching vessel;
Freezer refrigerator equipped with. 前記急冷容器は、熱伝導材で形成されていることを特徴とする請求項１に記載の冷凍冷蔵庫。   2. The refrigerator-freezer according to claim 1, wherein the quenching container is formed of a heat conductive material. 前記食品収納空間の温度上昇を感知して、前記冷凍冷蔵庫を自動的に急冷運転させる急冷部温度センサが該食品収納空間に設置されていることを特徴とする請求項１または２に記載の冷凍冷蔵庫。   The refrigeration according to claim 1 or 2, wherein a rapid cooling part temperature sensor for detecting a temperature rise in the food storage space and automatically cooling the refrigerator-freezer is installed in the food storage space. refrigerator. 前記熱伝導板は、前記開口部の一部を覆うものであり、該開口部上を前後または左右に移動可能であることを特徴とする請求項１〜３のいずれか１つに記載の冷凍冷蔵庫。   The refrigeration according to any one of claims 1 to 3, wherein the heat conducting plate covers a part of the opening and is movable forward and backward or left and right on the opening. refrigerator. 前記冷気流入口から前記急冷容器に流入する冷気の流入方向を前記熱伝導板に向かうようにしたことを特徴とする請求項１〜４のいずれか１つに記載の冷凍冷蔵庫。   The refrigerator-freezer according to any one of claims 1 to 4, wherein an inflow direction of cold air flowing into the quenching vessel from the cold air flow inlet is directed toward the heat conduction plate. 前記急冷容器の底部を断熱層としたことを特徴とする請求項１〜５のいずれか１つに記載の冷凍冷蔵庫。   The refrigerator-freezer according to any one of claims 1 to 5, wherein a bottom of the quenching vessel is a heat insulating layer. 前記急冷容器に収納した蓄冷材を持ち上げ前記熱伝導板に接触させるリフトを該急冷容器に備えたことを特徴とする請求項１〜６のいずれか一つに記載の冷凍冷蔵庫。
The refrigerator-freezer according to any one of claims 1 to 6, wherein the quenching container is provided with a lift that lifts the regenerator material stored in the quenching container and contacts the heat conducting plate.
JP2004139767A 2004-05-10 2004-05-10 Freezer refrigerator Expired - Fee Related JP4223433B2 (en)

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