JP2004026174A - Cold insulation container - Google Patents

Cold insulation container Download PDF

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Publication number
JP2004026174A
JP2004026174A JP2002182320A JP2002182320A JP2004026174A JP 2004026174 A JP2004026174 A JP 2004026174A JP 2002182320 A JP2002182320 A JP 2002182320A JP 2002182320 A JP2002182320 A JP 2002182320A JP 2004026174 A JP2004026174 A JP 2004026174A
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JP
Japan
Prior art keywords
container
air
cooling chamber
blower
duct
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Pending
Application number
JP2002182320A
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Japanese (ja)
Inventor
Hisashi Echigoya
越後屋 恒
Seiichi Abe
阿部 誠一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Appliances Inc
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Hitachi Home and Life Solutions Inc
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Publication date
Application filed by Hitachi Home and Life Solutions Inc filed Critical Hitachi Home and Life Solutions Inc
Priority to JP2002182320A priority Critical patent/JP2004026174A/en
Publication of JP2004026174A publication Critical patent/JP2004026174A/en
Pending legal-status Critical Current

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Abstract

<P>PROBLEM TO BE SOLVED: To provide an insulated container for uniformly refrigerating the inside of a cargo room. <P>SOLUTION: This insulated container comprises a container 1 having heat insulation walls, a refrigeration chamber 3 arranged in this container 1 to store a refrigerant 14, a heat insulator cover 9 provided with air passages 13c and 13d in an outer peripheral wall of the refrigeration chamber 3 and having an air inlet and an air outlet, a fan 11 protruded from the air outlet leeward of the heat insulator cover 9 while the air outlet is located in a side surface of the heat insulator cover 9, an air duct 5 provided on a ceiling of the container 1 and having a plurality of air outlets 12a-12c, and an inclined duct 15 which communicates the air duct 5 with the outlet and has an inclined part with the air passage being firstly horizontal leeward of the fan and secondly directed toward the air duct 5. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明の属する技術分野】
本発明は、貨物の輸送に使用する保冷コンテナに関する。
【0002】
【従来の技術】
従来の冷却装置付の保冷コンテナは、図7に示すように輸送する貨物を収納するための搬入扉102を有した箱体を形成し、その保冷コンテナ101内の上部一端側にドライアイス等の冷媒を収納する冷却室103を備え、この冷却室103に冷媒を搬入するための収納扉104と、電気部品を収納する制御ボックス105が設けられている。冷却室103の内部は、図8に示すように熱伝導性の良好な材料で造った底仕切板106、側仕切板107にて仕切り、空間(a)、(b)、(c)を形成している。
【0003】
冷気の流れを説明すると、図7及び図8に示すものでは、保冷コンテナ101内の空気を、送風機113を回転させることで吸込口112から通風路110、111へと導き、冷却された空気が荷物室と冷却室103を隔てる断熱壁108の下面に設けた冷気吹出口114から荷物室内に吹出される。
【0004】
また、図9及び図10に示すものは、冷却室201と荷物室とを隔てる断熱壁202の冷却室201の下面に設置された吸込用送風機203により吸込まれた空気を、冷却室201と断熱壁202との間に形成された通風路206、207を通り、断熱壁202の鉛直面の奥行き方向中心位置に断熱壁202の荷物室側面と同一面となる位置に1ヶ設置された吹出用送風機204、及び、断熱壁202の荷物室側面から傾斜角θで立ち上がった傾斜ダクト205によりコンテナ内を均一に冷却するように吹出される。
【0005】
更に、図11及び図12に示すものは、冷却室301と荷物室を隔てる断熱壁302の鉛直面に設けられた吸込用送風機303により吸込まれた空気が、冷却室301と断熱壁302との間に形成された通風路306を通り、冷気吹出口304から流れ方向にまっすぐ天井面に沿って延ばした吹出ダクト305内に流入し、吹出口307a、307b、307cから荷物室内に吹出される。
【0006】
図7及び図8に示す、荷物室内に吹出された冷却空気は、荷物室内の空気と混合し再度通風路110,111に戻っていくが、多くの保冷コンテナは通風路で冷やされた空気がコンテナの外へ逃げないように、荷物等の搬入扉102等は密閉構造をとっており、気圧の変化、例えば飛行機に搭載した場合、上空と地上との間には気圧差があるため、上空では周囲の気圧低下でコンテナ内空気が膨張し、着陸時には逆に気圧上昇によりコンテナ内空気が収縮する力が働く等、コンテナにかかる応力を防止する必要がある。そこで、コンテナ壁面に貫通穴を設けたり、圧力差によって開閉するバルブ120等を設ける必要があった。従来の保冷コンテナではこれらの設置位置はコンテナ高さの半分より上側にあることが多い。
【0007】
また、従来の保冷コンテナは、コンテナ内部を冷却するための冷却装置を持たない簡易的な保冷コンテナと、コンテナ内部に冷却装置を組込んだ保冷コンテナとがあった。前者は、生鮮食品等の荷物と共に、コンテナ内部にドライアイス等の冷媒を直接投入して冷却をするもので、ドライアイスの昇華によって発生する炭酸ガス濃度によっては鮮度の落ちるものがあることから、取扱いできる生鮮食品等の荷物が限られる。後者は、図7乃至図12に示す冷却装置を有する保冷コンテナ101であり、コンテナ内部に組込んだ冷却室103にドライアイス115等の冷媒を投入し保冷するが、ドライアイスの昇華によって発生する炭酸ガスが荷物室に漏れないよう、冷却室103、201、301を密閉構造とし、ドライアイス115の昇華により発生した炭酸ガスは、図8に示すようにコンテナ外側断熱壁に設けた貫通穴117や、図11のように断熱材入りの収納扉308に設けた貫通穴309から排出したり、図9に示すよう収納扉208を密閉するパッキン209の4辺のうち下辺を無くしてできた隙間210から排出する例が知られている。この炭酸ガスの排出手段が無い場合、冷却室の密閉度によっては炭酸ガス充満によって冷却室内圧力が上昇し冷却室が変形する場合もある。
【0008】
【発明が解決しようとする課題】
通風路にて冷却された空気のコンテナ内への吹出しは、図7、8に示した冷却室103と荷物室とを隔てる断熱壁108に設けた吹出口114から直接吹出すもの、図11、12に示した冷却室301と荷物室とを隔てる断熱壁302にある吹出部304から、天井面に沿ってまっすぐ延ばした吹出ダクト305の1〜2面から冷気を吹出すもの、更には、図9、10に示した冷却室201と荷物室を隔てる断熱壁202の荷物室側面に吹出用送風機204を断熱壁202と同一面となる位置に1ヶ設けて冷気を吹出し、コンテナ内の冷却をより均一にするため送風機204の周囲に傾斜ダクト205を設置しているもの等がある。
【0009】
しかしながら、図7、8に示すものは、冷気が吹出口114から直接吹出すため、荷物により吹出口114が塞がれる可能性があり、また、冷却室103と荷物室とを隔てる断熱壁108に近い部分の生鮮食品等が過冷却となり、逆に遠い部分では冷却不足になるとの可能性がある。
【0010】
図11、12に示すものは、吹出ダクト305からの冷気吹出しが吹出口307cのように吹出ダクトの冷却室と反対側の長手方向端部からと、吹出口307a、吹出口307bのように吹出ダクトの短手方向端部からだけになっており、コンテナ箱体断熱壁310a、310b、310cの3つの壁面に沿うように流れているため、荷物室の中央部付近の冷却温度帯が比較的高くなりやすい。
【0011】
また、図9、10に示すものは、傾斜ダクト205の傾斜が、送風機204の設置されている断熱壁202の荷物室側面と同一面から立ち上がっているので、一定の風量を得るためには傾斜角θを小さくして圧力損失を抑える必要があり、一定の風速を得るための吹出し開口面積とするには荷物室へと突出し長さを大きくする必要があった。
【0012】
また、送風機204が、荷物室側面の断熱壁202と同一面にあるため、送風機204の風下での空間が十分に確保がでず、通風路207での圧力損失を抑えるため通風路207の空間を必要以上に確保する必要があること等、断熱壁202の荷物室側へのでっぱりが大きくなってしまい、荷物室の内容積効率が低下してしまう他、送風機204の対向部位である壁面211a付近が必要以上に冷却される可能性が高く、逆に送風機204の下部付近は冷却されにくい。即ち、図7〜12に示した従来例では、温度分布のばらつきが大きく、荷物を置く位置によっては保冷性能の維持が困難な場合もあった。本発明の第1の目的は、荷物室内を均一に冷却することのできる保冷コンテナを提供することにある。
【0013】
また、気圧の変化によりコンテナが変形することを防止する貫通孔を設ける例は、常時周囲の圧力変化によって外気の侵入やコンテナ内空気の流出があることから、コンテナ内の温度分布に大きなばらつきを生じさせている。
【0014】
更に、圧力差で開閉するバルブ120を設置している例では、殆どのバルブがその劣化を防止するため、熱伝導性が良好である金属製又は軽金属製であり、コンテナ高さの半分よりも上方に設置されていることが多く、コンテナ運転時に上部に吹出した冷気が、バルブ120からの外気侵入の影響を受けて暖められ、その結果バルブ120周辺の温度が高くなってしまう。
【0015】
また、コンテナ室内温度が設定温度に到達した場合、送風機103は、断続運転をしてその温度帯を保持する。この送風機103が停止中は、冷気の比重が大きいため荷物室内の冷やされた空気が下部に溜まりやすく、そのため上部の温度が高くなる。そこに圧力差によって開閉するバルブ120を設置した場合、さらに外部熱侵入が多くなることにより温度が高くなり、コンテナ内の上部と下部で温度差が大きく、保冷性能を維持できなくなる。本発明の第2の目的は、気圧変化によるコンテナの変形を防止しながらも、均一な保冷を行える保冷コンテナを提供することにある。
【0016】
更に、ドライアイスの昇華により発生する炭酸ガスを排出する貫通穴117や、貫通穴309は、貫通穴を施工する必要があり、炭酸ガス及び空気との接触による貫通穴加工部の断熱材の劣化を防止するため、パイプ等の保護材の施工が必要であった。殆どの炭酸ガス排出の貫通穴は、加工上の都合から断熱壁表面にベース底面と水平に設置されているため、雨水や埃等が侵入することも考えられ、埃等が蓄積すると貫通穴径が小さいため清掃が困難であった。そして、収納扉208を密閉するパッキン209の4辺のうち下辺を無くし、1辺を開放状態にすることでできた隙間210から炭酸ガスを排出する場合は、隙間210がパッキン1辺分と大きいためドライアイスにより冷却された冷却室201内の空気(炭酸ガス)が大量に漏れ、その結果冷却室201内の圧力が上がらず逆に外気が侵入してしまい、温度差が大きいほど昇華量が多くなるドライアイスの消費量が増える等、冷却能力を阻害する構造となっている。本発明の第3の目的は、ドライアイス等の冷媒消費量を抑え、壁面に直接孔を穿つことなく炭酸ガスを排出することができる保冷コンテナを提供することにある。
【0017】
【課題を解決するための手段】
上記第1の目的は、断熱壁を有するコンテナと、このコンテナ内に配置され冷媒を収納する冷却室と、この冷却室の外周壁に通風路を形成し空気の流入口及び流出口を備えた断熱材カバーと、前記流出口を断熱材カバーの側面に位置させ、この流出口に前記断熱材カバーよりも風下に突出させて配置された送風機と、前記コンテナの天井に設けられ複数の吹出口を備えた送風ダクトと、この送風ダクトと流出口とを連通させ、風路が前記送風機の風下にて先ず水平方向でありその後送風ダクトへ向かう方向へと変化する傾斜部を備えた傾斜ダクトとを有することで達成される。
【0018】
また、傾斜部の傾斜角度は、30°〜60°であることが好ましく、特に45°であることが好ましい。
【0019】
上記第2の目的は、コンテナ高さの半分以下のコンテナ側壁に、コンテナの内外の圧力差により開閉するバルブを有することで達成される。
【0020】
上記第3の目的は、冷却室が、この冷却室とコンテナ外とを連通する排出口を有し、この排出口が、冷却室に設けた収納扉のパッキン又はこのパッキンの当接するパッキン受けに形成した溝とすることで達成される。
【0021】
【発明の実施の形態】
以下、本発明の詳細を図面によって説明する。図1は、本発明の実施例である保冷コンテナの外観図で、特に航空用保冷コンテナの形態を示している。保冷コンテナ1は、その側面に輸送用貨物の搬入扉2を備え、保冷コンテナ1内の上部一端側に冷却室3及びこの冷却室3に冷媒を収納する収納扉6が設けられている。冷却室3に隣接する部分には、冷却装置を制御する電気部品や蓄電池等を収納した電気品ボックス7が設けられ、この電気品の操作盤8が、保冷コンテナ1の側壁に設けられている。また、保冷コンテナ1の内部天井付近には、送風ユニット4及び冷気の送風ダクト5が設けられている。収納扉6を有した冷却室3は、保冷コンテナ1内の上部一端側にほぼ幅いっぱいに形成され、その一端に複数個の送風ユニット4と複数個の送風ダクト5が形成されている。収納扉6は、この収納扉6を開けたとき、炭酸ガスの排出部が露出するようになっている。
【0022】
図2は、冷却室3、送風ユニット4及び送風ダクト5を含んだ部分の断面図である。即ち、保冷コンテナ1の天井保冷材1aと側面保冷材1bとで形成された天井部の一端側には、冷却室3、断熱材カバー9、送風ユニット4、送風ダクト5及び仕切板10が、配置されている。
【0023】
送風ユニット4は、送風機11を備え、この送風機11の風量損失を最小限にすることと荷物室の内容積効率を低下させないことを実現するため、断熱材カバー9の側面に突出した水平面を設け、この水平面から吹出す方向の下側の面を45°の傾斜で立ち上げ、傾斜上部先端を送風ダクト5と接続するための水平面とした、略クランク状の傾斜ダクト15を設置した。
【0024】
この傾斜ダクト15には、送風ダクト5に一定の風速と風量を与えるように、送風機11の前後の空間を十分に確保するため、送風機11を断熱材カバー9の側面よりも荷物室へと突出した位置にある水平面上に設置し、これにより圧力損失が低減できることから冷却室3と断熱材カバー9との間に形成された通風路13dを最小限の空間とすることができ、冷却室3と荷物室を隔てる断熱材カバー9の荷物室への突出量も抑え荷物室内容積効率も向上している。
【0025】
冷却室3に収納されたドライアイス14は、先ず冷却室3の壁面を冷却し、次に冷却室3の壁面により冷却室3と断熱材カバー9との間に形成された通風路13c、13d内を通過する空気を冷却する。送風機11は、送風ユニット4にて通風路13c、13d内の冷却された空気を送風ダクト5へと導き、送風ダクト5の複数面にある複数個の吹出口12a〜12c、及び、図3に示す12d〜12gから冷却空気が荷物室内へと万遍なく吹出される。
【0026】
本実施例では、冷却室3と断熱材カバー9との間に形成された通風路13c、13d内の冷却された空気が、送風機11の風量損失を最小限に抑えて冷却空気を吹出すことが可能な送風ユニット4により、天井面に設けた吹出しダクト5の複数面にある複数個の吹出口12a〜12gからコンテナ内に万遍なく吹出し、コンテナ内を均一に冷却していく。
【0027】
保冷コンテナ1内に積載した生鮮食品や冷凍貨物を冷却することで幾分温まった空気は、保冷コンテナ1内の上部に上昇するが、吹出し口12a〜12gから吹出される冷たい空気と混合されて熱交換し、冷気となって再び下方へと落ちる。従って、保冷コンテナ1内の下方には、冷たく比重の重い冷気が貯まるようになる。本実施例は、従来例のように送風機の風圧だけで保冷コンテナ1内に冷風を送るのではなく、送風ユニット4と吹出ダクト5を用いて保冷コンテナ1内に冷風を均一に吹出すため、小さな容量の送風機11で充分に機能を達成することができる。このことは、送風機11を運転するのに必要な蓄電池の量を減らせることを意味し、また、長時間にわたる長距離輸送ができることを意味している。以下、上記構成に基づいた作用について説明する。
【0028】
図4に示すように、保冷コンテナ1は、冷却室3内に冷媒として複数個のドライアイスを収納し、操作盤で電源をオンにすると送風機11が運転を開始し、保冷コンテナ1内の空気を循環させ始める。
【0029】
保冷コンテナ1内の空気は、保冷コンテナ1内の下方から側面断熱材1bに沿って通風路13aに吸い込まれ、仕切板10の上部で天井保冷材1aにより折り返されて通風路13bに入り、通風路13b、13c、13dを経て、送風機11でこの送風機11を備えた送風ユニット4及び送風ダクト5内に送風され、複数面にあるそれぞれ複数個の吹出し口12a〜12gから保冷コンテナ1内に順々に吹出される。保冷コンテナ1内は、ドライアイスにより徐々に冷却され、所定の貯蔵温度に達すると温度センサー(図示省略)が作動して、送風機11を停止させ、保冷コンテナ1内を一定の温度に保つ。
【0030】
天井面に設けた複数の送風ダクト5と送風ユニット4の組み合わせにより、冷気の流れは、風路内での送風量損失を最小限にすると共に、送風ダクト5の複数面に設けたそれぞれ複数個の吹出し口12a〜12gにより保冷コンテナ1の荷物室内が効果的に冷却し、該荷物室内の温度分布が改善され、そして、短時間で所定の貯蔵温度に冷却することができる。
【0031】
また、気圧の変化により保冷コンテナ1が、膨張又は収縮による変形を生じないようにするため、及び、一旦冷却した保冷コンテナ1内の空気を常時漏らすことが無いように圧力差によって開閉するバルブ16を設置するが、その設置場所は保冷コンテナ1の天井面に設けた送風ダクト5によって均一化された保冷コンテナ1内の温度分布を崩すことが無いよう、バルブ16からの外気侵入があっても保冷コンテナ1内の温度分布を比較的均一に保てるよう、冷えた比重の重い冷気が貯まるコンテナ高さの半分よりも下方にあたる下部隅切り部1cとし、積み荷により塞がれることがないよう格子状の段付バンパー(図示なし)を設けた。
これによりバルブ16から外気が侵入しても、荷物室内下方に溜まった比重の大きい冷たい空気の一部と多少混合する程度で、荷物室内上方から冷たい空気が順次降りてくるのでバルブ16周辺の温度上昇は小さく、荷物室内の温度は均一性を保つことができる。
【0032】
更に、図5及び図6に示すように、冷却室3内に投入したドライアイス14が発生する炭酸ガスは、収納扉6に設置した冷却室密閉用パッキン21の当接面となるパッキン受け23の上部に予め凹型の溝22を部品段階で成形し、収納扉6を閉じてもパッキン21と凹型溝部22に一定の小さい隙間を確保して炭酸ガスを排出する。ドライアイス投入後、炭酸ガスは、冷却室3内に充満し、冷却室3内の圧力が上昇してある程度の勢いを持って凹型溝22から保冷コンテナ1の外へ排出するので、外気は凹型溝22部から冷却室3へと侵入することが難しい。
【0033】
ドライアイス14は、周囲空間との温度差により昇華速度が大きく左右されるが、冷却室3への外気侵入がし難いため、ドライアイスが必要以上に昇華することは少なく、無駄な消費を防ぐことができる。そして、凹型溝22部からの雨水等の侵入を防ぐため、凹型溝22部は、コンテナ外表面から一段下がった面に設け、パッキン21により凹型溝22上部近くまでが覆われている構造であり、また、ドライアイス等の冷媒を投入する際、収納扉6を開けるとパッキン受け23が露出するため、凹型溝22部は正面に見え、埃等の蓄積状態を簡単に認知出来、清掃が容易にできる構造となっている。
【0034】
以上、説明したように本発明の実施例では、保冷コンテナの天井部に設けた複数面にそれぞれ複数個の吹出し口をもつ吹出しダクトから通風路で冷却された空気を保冷コンテナ内に万遍なく吹き出すように、送風機を断熱カバーの荷物室側面よりも荷物室側に出た位置として該送風機の前後空間を確保して配置した送風機と一体化した略クランク形状の傾斜ダクトを備えた送風ユニットによって、送風機の風路内での風量損失を最小限に抑え、コンテナ内を均一に冷却すると共に短時間での設定温度到達により冷却効果を大幅に改善し、送風機の風量損失低減と短時間での設定温度到達による搭載蓄電池の消耗量を低減でき、蓄電池にかかる経費を低減することが可能になった。また、送風ユニットにより冷却装置の荷物室へのでっぱりを抑えられ、荷物の積載効率が向上できる。
【0035】
また、コンテナ周囲の気圧変化によるコンテナの変形を防ぐために設置した、圧力差によって開放するバルブは、保冷コンテナのコンテナ高さの半分よりも下方である隅切り部分に設置したことにより、運転中にバルブ部分から外気が侵入してもコンテナ内上部から下方に降りてくる冷たい空気と混合するため、コンテナ内温度分布のばらつきを抑えることができる。
【0036】
更に、冷却室と外気を密閉する収納扉のパッキン当接面であるパッキン受けに凹型の溝を設けて、収納扉を閉じた際にできる小さな隙間からドライアイスの昇華により発生する炭酸ガスを排出するすることにより、断熱壁面には穴加工する必要が無くなり、炭酸ガス及び外気との接触による断熱材劣化を防止するための保護部材が不要になったことによる製造原価低減、また、収納扉を開くことで小さなの隙間部分は凹型に開放されるため作業者による認知及びメンテナンスが容易な構造となった。
【0037】
【発明の効果】
本発明によれば、荷物室内を均一に冷却することのできる保冷コンテナを提供することができ、また、バルブの設置位置をコンテナ高さの半分以下としたことで、気圧変化によるコンテナの変形を防止しながらも、均一な保冷を行える保冷コンテナを提供することができる、更に、パッキン又はパッキン受けに溝を設けたことにより、ドライアイス等の冷媒消費量を抑え、壁面に直接孔を穿つことなく炭酸ガスを排出することができる保冷コンテナを提供することができる。
【図面の簡単な説明】
【図1】本発明の実施例である保冷コンテナの外観図。
【図2】図1に示す保冷コンテナの要部断面図。
【図3】図2に示すA−A断面図。
【図4】図1に示す保冷コンテナ内の空気の流れ説明図。
【図5】図1に示す冷却室の収納扉部の断面図。
【図6】図5に示すB−B断面図。
【図7】従来の保冷コンテナを示す外観図。
【図8】図7に示す冷却室の縦断面図。
【図9】従来の他の保冷コンテナの縦断面図。
【図10】図9に示すC−C断面図。
【図11】従来の更に他の保冷コンテナの縦断面図。
【図12】図11に示すD−D断面図。
【符号の説明】
1…保冷コンテナ、1a…天井保冷材、1b…側面保冷材、1c…下部隅切部、2…搬入扉、3…冷却室、4…送風ユニット、5…送風ダクト、6…収納扉、7…電気品ボックス、8…操作盤、9…断熱材カバー、10…仕切板、11…送風機、12a〜12g…吹出口、13a〜13d…通風路、14…ドライアイス、15…傾斜ダクト、16…バルブ、21…パッキン、22…凹形溝、23…パッキン受け、101…保冷コンテナ、102…搬入扉、103…冷却室、104…収納扉、105…制御ボックス、106…底仕切板、107…側仕切板、108…断熱壁、110…通風路、111…通風路、112…吸込口、113…送風機、114…吹出口、115…ドライアイス、117…貫通孔、120…バルブ、201…冷却室、202…断熱壁、203…吸込用送風機、204…吹出用送風機、205…傾斜ダクト、206…通風路、207…通風路、208…収納扉、209…パッキン、210…隙間、211…断熱壁面、301…冷却室、302…断熱壁、303…吸込用送風機、304…吹出口、305…吹出ダクト、306…通風路、307a〜307c…吹出口、308…収納扉、309…貫通孔、310a〜310c…コンテナ箱体断熱壁
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an insulated container used for transporting cargo.
[0002]
[Prior art]
A conventional cold storage container with a cooling device forms a box having a loading door 102 for storing cargo to be transported as shown in FIG. A cooling chamber 103 for storing a refrigerant is provided, and a storage door 104 for carrying the refrigerant into the cooling chamber 103 and a control box 105 for storing electric components are provided. As shown in FIG. 8, the inside of the cooling chamber 103 is partitioned by a bottom partition plate 106 and a side partition plate 107 made of a material having good thermal conductivity to form spaces (a), (b), and (c). are doing.
[0003]
7 and 8, the air in the cold storage container 101 is guided from the suction port 112 to the ventilation paths 110 and 111 by rotating the blower 113, and the cooled air is cooled. The air is blown into the luggage compartment from a cool air outlet 114 provided on the lower surface of the heat insulating wall 108 separating the luggage compartment and the cooling compartment 103.
[0004]
9 and 10 show that the air sucked by the suction blower 203 installed on the lower surface of the cooling chamber 201 of the heat insulating wall 202 that separates the cooling chamber 201 from the luggage room is insulated from the cooling chamber 201 by the heat. One outlet is installed at a position on the same plane as the side of the luggage compartment of the heat insulating wall 202 at the center position in the depth direction of the vertical surface of the heat insulating wall 202 through the ventilation paths 206 and 207 formed between the heat insulating wall 202 and the wall 202. The blower 204 and the inclined duct 205 rising from the side of the luggage compartment of the heat insulating wall 202 at an inclined angle θ are blown out so as to uniformly cool the inside of the container.
[0005]
11 and 12 show that the air sucked by the suction blower 303 provided on the vertical surface of the heat insulating wall 302 separating the cooling room 301 and the luggage room The air flows through the ventilation passage 306 formed therebetween, flows from the cool air outlet 304 into the outlet duct 305 extending straight along the ceiling surface in the flow direction, and is blown into the luggage room from the outlets 307a, 307b, 307c.
[0006]
The cooling air blown into the luggage compartment shown in FIGS. 7 and 8 mixes with the air in the luggage compartment and returns to the ventilation passages 110 and 111 again. In order not to escape out of the container, the loading door 102 for luggage and the like has a closed structure, and changes in air pressure, for example, when mounted on an airplane, there is a pressure difference between the sky and the ground. In such a case, it is necessary to prevent the stress applied to the container, for example, the air in the container expands due to a decrease in the surrounding air pressure, and the air in the container contracts due to the increase in the air pressure during landing. Therefore, it was necessary to provide a through hole in the container wall surface, and to provide a valve 120 and the like that open and close by a pressure difference. In a conventional cold storage container, these installation positions are often above half of the container height.
[0007]
Further, conventional cold storage containers include a simple cold storage container having no cooling device for cooling the inside of the container, and a cold storage container incorporating a cooling device inside the container. The former cools by directly putting a refrigerant such as dry ice into the container together with the luggage such as fresh food, and cooling it.Because there is a case where freshness is reduced depending on the carbon dioxide concentration generated by sublimation of dry ice, Luggage such as fresh food that can be handled is limited. The latter is a cold storage container 101 having the cooling device shown in FIGS. 7 to 12, in which a cooling medium such as dry ice 115 is charged into a cooling chamber 103 incorporated in the container to keep the cold, and is generated by sublimation of dry ice. The cooling chambers 103, 201, and 301 have a closed structure so that carbon dioxide gas does not leak into the luggage compartment, and the carbon dioxide gas generated by the sublimation of the dry ice 115 passes through the through hole 117 provided in the container outer heat insulating wall as shown in FIG. In addition, as shown in FIG. 11, a gap formed by removing the lower side of the four sides of the packing 209 that is discharged from the through hole 309 provided in the storage door 308 containing heat insulating material and seals the storage door 208 as shown in FIG. An example of ejection from 210 is known. If there is no means for discharging the carbon dioxide gas, the pressure in the cooling chamber may be increased due to the filling of the carbon dioxide gas and the cooling chamber may be deformed depending on the degree of sealing of the cooling chamber.
[0008]
[Problems to be solved by the invention]
The air cooled in the ventilation path is blown into the container directly from the blow-off port 114 provided in the heat insulating wall 108 separating the cooling chamber 103 and the luggage room shown in FIGS. 12, blows cool air from one or two surfaces of a blowing duct 305 extending straight along the ceiling surface from a blowing portion 304 in a heat insulating wall 302 separating a cooling room 301 and a baggage room from each other. One blower 204 is provided on the side of the luggage compartment of the heat insulating wall 202 which separates the luggage compartment from the cooling chamber 201 shown in 9 and 10, and one blower is provided at a position flush with the heat insulating wall 202 to blow cool air to cool the inside of the container. For example, an inclined duct 205 is installed around the blower 204 in order to make it more uniform.
[0009]
However, in the configuration shown in FIGS. 7 and 8, since the cool air blows directly from the outlet 114, the outlet 114 may be blocked by the load, and the heat insulating wall 108 separating the cooling room 103 and the load room. There is a possibility that fresh food or the like in a portion close to is overcooled, and conversely, cooling is insufficient in a portion far away.
[0010]
11 and 12, cold air is blown out of the blow-out duct 305 from the longitudinal end opposite to the cooling chamber of the blow-out duct like the blow-out port 307c and blows out like the blow-out port 307a and the blow-out port 307b. The cooling temperature zone near the center of the luggage compartment is relatively high because the duct flows only along the short end of the duct and flows along the three walls of the container box heat insulating walls 310a, 310b, and 310c. Easy to get high.
[0011]
9 and 10, the inclination of the inclined duct 205 rises from the same plane as the luggage compartment side of the heat insulating wall 202 where the blower 204 is installed. It is necessary to reduce the pressure loss by reducing the angle θ, and it is necessary to protrude into the luggage compartment and increase the length in order to obtain a blowing opening area for obtaining a constant wind speed.
[0012]
Further, since the blower 204 is on the same plane as the heat insulating wall 202 on the side of the luggage compartment, a sufficient space is not secured downstream of the blower 204, and the space of the ventilation passage 207 is suppressed to suppress pressure loss in the ventilation passage 207. It is necessary to secure more than necessary, for example, the protrusion of the heat insulating wall 202 toward the luggage compartment side becomes large, and the volumetric efficiency of the luggage compartment decreases, and the wall surface 211a which is the opposing portion of the blower 204 There is a high possibility that the vicinity is cooled more than necessary, and conversely, the lower part of the blower 204 is hardly cooled. That is, in the conventional examples shown in FIGS. 7 to 12, the temperature distribution varies greatly, and it may be difficult to maintain the cooling performance depending on the position where the luggage is placed. A first object of the present invention is to provide an insulated container that can uniformly cool a luggage compartment.
[0013]
In addition, in the case of providing a through hole that prevents the container from being deformed due to a change in atmospheric pressure, the temperature distribution inside the container greatly varies because the outside air inflow and the air inside the container always flow out due to the surrounding pressure change. Is causing it.
[0014]
Furthermore, in the example in which the valve 120 that opens and closes with a pressure difference is installed, most of the valves are made of metal or light metal having good thermal conductivity in order to prevent their deterioration, and are more than half of the container height. In many cases, the cool air blown upward during container operation is heated under the influence of the intrusion of outside air from the valve 120, and as a result, the temperature around the valve 120 increases.
[0015]
Further, when the container room temperature reaches the set temperature, the blower 103 performs an intermittent operation to maintain the temperature zone. While the blower 103 is stopped, the specific gravity of the cool air is large, so that the cooled air in the luggage compartment tends to accumulate in the lower part, and the temperature in the upper part increases. When the valve 120 that opens and closes due to a pressure difference is installed therein, the temperature rises due to further increase in external heat penetration, and the temperature difference between the upper and lower portions in the container is large, so that the cooling performance cannot be maintained. A second object of the present invention is to provide a cold storage container that can uniformly cool while preventing deformation of the container due to a change in atmospheric pressure.
[0016]
Further, it is necessary to construct a through-hole 117 and a through-hole 309 for discharging carbon dioxide gas generated by sublimation of dry ice, and deterioration of a heat insulating material in a through-hole processing portion due to contact with carbon dioxide gas and air. In order to prevent this, it was necessary to construct a protective material such as a pipe. Most of the through-holes for discharging carbon dioxide gas are installed horizontally on the heat-insulating wall surface and the base bottom for the convenience of processing, so rainwater and dust may enter the hole. Cleaning was difficult because of the small size. When carbon dioxide is discharged from the gap 210 formed by opening the lower side of the four sides of the packing 209 that seals the storage door 208 and leaving one side open, the gap 210 is as large as one side of the packing. Therefore, a large amount of air (carbon dioxide gas) in the cooling chamber 201 cooled by the dry ice leaks, and as a result, the pressure inside the cooling chamber 201 does not rise and the outside air enters, and the sublimation amount increases as the temperature difference increases. The structure is such that the cooling capacity is hindered, for example, the consumption of dry ice increases. A third object of the present invention is to provide a cold storage container capable of suppressing consumption of a refrigerant such as dry ice or the like and discharging carbon dioxide gas without directly piercing a wall surface.
[0017]
[Means for Solving the Problems]
The first object is to provide a container having a heat insulating wall, a cooling chamber arranged in the container for storing a refrigerant, and a ventilation path formed in an outer peripheral wall of the cooling chamber, and an air inlet and an air outlet are provided. A heat insulating material cover, a blower disposed so that the outlet is located on a side surface of the heat insulating material cover, and a blower disposed at the outlet so as to protrude downwind from the heat insulating material cover, and a plurality of air outlets provided on a ceiling of the container. An air duct provided with an air duct, and an air duct communicating with the air duct and the outlet, and an inclined duct having an inclined portion in which an air path is first horizontal in the leeward direction of the air blower and then changes in a direction toward the air duct. It is achieved by having.
[0018]
Further, the inclination angle of the inclined portion is preferably 30 ° to 60 °, and particularly preferably 45 °.
[0019]
The second object is achieved by providing a valve on a side wall of a container having a half or less of the height of the container, the valve being opened and closed by a pressure difference between the inside and outside of the container.
[0020]
The third object is that the cooling chamber has a discharge port for communicating the cooling chamber with the outside of the container, and the discharge port is connected to a packing of a storage door provided in the cooling chamber or a packing receiver which comes into contact with the packing. This is achieved by forming a groove.
[0021]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be described in detail with reference to the drawings. FIG. 1 is an external view of a cool container according to an embodiment of the present invention, and particularly shows a form of a cold container for aviation. The cold storage container 1 is provided with a loading door 2 for transporting cargo on a side surface thereof, and a cooling chamber 3 and a storage door 6 for storing a refrigerant in the cooling chamber 3 are provided at one upper end side in the cold storage container 1. An electrical component box 7 containing electrical components for controlling the cooling device, a storage battery, and the like is provided in a portion adjacent to the cooling chamber 3, and an operation panel 8 for the electrical components is provided on a side wall of the cold storage container 1. . In the vicinity of the internal ceiling of the cold storage container 1, a blower unit 4 and a cool air blower duct 5 are provided. The cooling chamber 3 having the storage door 6 is formed at almost one full width at one upper end side in the cold storage container 1, and a plurality of blow units 4 and a plurality of blow ducts 5 are formed at one end thereof. When the storage door 6 is opened, the discharge portion of the carbon dioxide gas is exposed.
[0022]
FIG. 2 is a cross-sectional view of a portion including the cooling chamber 3, the blower unit 4, and the blower duct 5. That is, on one end side of the ceiling formed by the ceiling cold insulator 1a and the side cold insulator 1b of the cold storage container 1, the cooling chamber 3, the heat insulating material cover 9, the blowing unit 4, the blowing duct 5, and the partition plate 10 are provided. Are located.
[0023]
The blower unit 4 is provided with a blower 11, and a horizontal surface protruding from a side surface of the heat insulating material cover 9 is provided in order to minimize a loss of airflow of the blower 11 and not to lower the internal volume efficiency of the luggage compartment. A substantially crank-shaped inclined duct 15 having a lower surface in the direction of blowing from the horizontal surface rising at an inclination of 45 ° and having the upper end of the inclined surface serving as a horizontal surface for connecting to the ventilation duct 5 was installed.
[0024]
The inclined duct 15 projects the blower 11 from the side of the heat insulating material cover 9 to the luggage compartment in order to secure a sufficient space before and after the blower 11 so as to give the blow duct 5 a constant wind speed and air volume. Since the pressure loss can be reduced, the ventilation path 13d formed between the cooling chamber 3 and the heat insulating material cover 9 can be reduced to a minimum space. The protrusion amount of the heat insulating material cover 9 separating the luggage room from the luggage room is suppressed, and the volume efficiency of the luggage room is improved.
[0025]
The dry ice 14 stored in the cooling chamber 3 first cools the wall surface of the cooling chamber 3, and then the ventilation paths 13 c and 13 d formed between the cooling chamber 3 and the heat insulating material cover 9 by the wall surface of the cooling chamber 3. Cool the air passing through. The blower 11 guides the cooled air in the ventilation passages 13c and 13d by the blower unit 4 to the blower duct 5, and a plurality of outlets 12a to 12c on a plurality of surfaces of the blower duct 5, and FIG. From 12d to 12g shown, cooling air is uniformly blown into the luggage compartment.
[0026]
In the present embodiment, the cooled air in the ventilation passages 13c and 13d formed between the cooling chamber 3 and the heat insulating material cover 9 blows out cooling air while minimizing the loss of air volume of the blower 11. The blower unit 4 is capable of uniformly blowing air from a plurality of outlets 12a to 12g on a plurality of surfaces of an outlet duct 5 provided on a ceiling surface into a container, thereby uniformly cooling the container.
[0027]
The air somewhat warmed by cooling the fresh food and frozen cargo loaded in the cool container 1 rises to the upper part in the cool container 1, but is mixed with the cool air blown out from the outlets 12a to 12g. It exchanges heat, becomes cold, and falls again. Accordingly, cold air having a high specific gravity accumulates below the cold storage container 1. In the present embodiment, instead of sending the cool air into the cool container 1 only by the wind pressure of the blower as in the conventional example, the cool air is uniformly blown into the cool container 1 by using the blower unit 4 and the blowing duct 5, The function can be sufficiently achieved with the blower 11 having a small capacity. This means that the amount of storage batteries required to operate the blower 11 can be reduced, and that long-distance transport over a long time can be performed. Hereinafter, the operation based on the above configuration will be described.
[0028]
As shown in FIG. 4, the cold storage container 1 stores a plurality of dry ice as a refrigerant in the cooling chamber 3, and when the power is turned on by the operation panel, the blower 11 starts operating and the air inside the cold storage container 1 is released. Start circulating.
[0029]
The air in the cold storage container 1 is sucked into the ventilation passage 13a from below in the cold storage container 1 along the side heat insulating material 1b, is turned over by the ceiling cold insulation material 1a at the upper part of the partition plate 10, and enters the ventilation passage 13b. After passing through the passages 13b, 13c and 13d, the air is blown into the blower unit 4 and the blower duct 5 provided with the blower 11 by the blower 11, and the air is blown into the cooling container 1 from a plurality of outlets 12a to 12g on a plurality of surfaces. It is blown out individually. The inside of the cold storage container 1 is gradually cooled by dry ice, and when a predetermined storage temperature is reached, a temperature sensor (not shown) is activated to stop the blower 11 and keep the inside of the cold storage container 1 at a constant temperature.
[0030]
Due to the combination of the plurality of air ducts 5 provided on the ceiling surface and the air blowing unit 4, the flow of cool air minimizes the loss of air volume in the air path, and the plurality of air channels provided on the plurality of surfaces of the air duct 5. The luggage compartments of the insulated container 1 are effectively cooled by the outlets 12a to 12g, the temperature distribution in the luggage compartment is improved, and the storage temperature can be cooled to a predetermined storage temperature in a short time.
[0031]
Further, a valve 16 which is opened and closed by a pressure difference so as to prevent the cold storage container 1 from being deformed due to expansion or contraction due to a change in the atmospheric pressure and to prevent the air inside the cold storage container 1 once cooled from leaking constantly. In order to prevent the temperature distribution in the insulated container 1 uniformed by the air duct 5 provided on the ceiling surface of the insulated container 1 from being broken, even if there is intrusion of outside air from the valve 16, In order to keep the temperature distribution in the cold storage container 1 relatively uniform, the lower corner cut portion 1c is provided below the half of the height of the container where cold air having a high specific gravity is stored, and is lattice-shaped so as not to be blocked by cargo. (Not shown).
As a result, even if outside air enters through the valve 16, the cold air gradually descends from the upper part of the luggage compartment only to a degree that it is mixed with a part of the cold air having a large specific gravity accumulated under the luggage compartment. The rise is small and the temperature in the luggage compartment can be kept uniform.
[0032]
Further, as shown in FIGS. 5 and 6, the carbon dioxide gas generated in the cooling chamber 3 and generated by the dry ice 14 is supplied to the packing receiver 23 serving as a contact surface of the cooling chamber sealing packing 21 installed in the storage door 6. A concave groove 22 is formed in advance in the upper part at the component stage, and even if the storage door 6 is closed, a certain small gap is secured between the packing 21 and the concave groove 22 to discharge carbon dioxide gas. After the dry ice is charged, the carbon dioxide gas fills the cooling chamber 3 and the pressure in the cooling chamber 3 rises and is discharged with a certain momentum from the concave groove 22 to the outside of the cold storage container 1. It is difficult to enter the cooling chamber 3 from the groove 22.
[0033]
Although the sublimation speed of the dry ice 14 is greatly affected by the temperature difference from the surrounding space, since the outside air does not easily enter the cooling chamber 3, the dry ice rarely sublimates more than necessary, and wasteful consumption is prevented. be able to. Then, in order to prevent rainwater or the like from entering from the concave groove 22, the concave groove 22 is provided on a surface one step lower than the outer surface of the container, and the packing 21 covers the vicinity of the upper part of the concave groove 22. In addition, when a refrigerant such as dry ice or the like is charged, when the storage door 6 is opened, the packing receiver 23 is exposed, so that the concave groove 22 can be seen from the front, and the accumulation state of dust and the like can be easily recognized, and cleaning is easy. It has a structure that can be used.
[0034]
As described above, in the embodiment of the present invention, the air cooled in the ventilation path from the outlet duct having a plurality of outlets on a plurality of surfaces provided on the ceiling portion of the insulated container is uniformly distributed in the insulated container. As a blowout, a blower unit having a substantially crank-shaped inclined duct integrated with a blower arranged so as to secure the front and rear space of the blower as a position where the blower is located closer to the baggage compartment side than the baggage compartment side surface of the heat insulating cover. , Minimizing the loss of air flow in the air path of the blower, cooling the inside of the container uniformly and greatly improving the cooling effect by reaching the set temperature in a short time, reducing the air flow loss of the blower and The amount of consumption of the mounted storage battery by reaching the set temperature can be reduced, and the cost of the storage battery can be reduced. In addition, the blower unit can prevent the cooling device from sticking to the luggage compartment, thereby improving the load efficiency of the luggage.
[0035]
In addition, the valve that was opened to prevent deformation of the container due to changes in atmospheric pressure around the container and that was opened due to the pressure difference was installed at the corner cut below half the container height of the cold storage container during operation, Even if outside air enters from the valve portion, it mixes with the cold air descending downward from the upper part in the container, so that the variation in the temperature distribution in the container can be suppressed.
[0036]
In addition, a concave groove is provided in the packing receiver, which is the packing contact surface of the storage door that seals the cooling chamber and the outside air, and carbon dioxide gas generated by sublimation of dry ice is discharged from a small gap created when the storage door is closed. By doing so, there is no need to drill holes in the heat-insulating wall, and the need for a protective member to prevent deterioration of the heat-insulating material due to contact with carbon dioxide gas and the outside air is eliminated. When opened, the small gap is opened in a concave shape, so that the structure is easy for the operator to recognize and maintain.
[0037]
【The invention's effect】
According to the present invention, it is possible to provide an insulated container capable of uniformly cooling the luggage compartment, and by setting the position of the valve to be equal to or less than half of the container height, deformation of the container due to a change in atmospheric pressure can be prevented. It is possible to provide a cold storage container that can maintain uniform cooling while preventing it.Furthermore, by providing a groove in the packing or packing receiver, the consumption of refrigerant such as dry ice is suppressed, and holes are directly drilled on the wall surface. It is possible to provide a cold storage container capable of discharging carbon dioxide gas without any problem.
[Brief description of the drawings]
FIG. 1 is an external view of a cool container according to an embodiment of the present invention.
FIG. 2 is a sectional view of a main part of the cold storage container shown in FIG.
FIG. 3 is a sectional view taken along the line AA shown in FIG. 2;
FIG. 4 is an explanatory view of the flow of air in the cool storage container shown in FIG. 1;
FIG. 5 is a sectional view of a storage door of the cooling chamber shown in FIG. 1;
FIG. 6 is a sectional view taken along the line BB shown in FIG. 5;
FIG. 7 is an external view showing a conventional cool container.
8 is a longitudinal sectional view of the cooling chamber shown in FIG.
FIG. 9 is a longitudinal sectional view of another conventional cool container.
FIG. 10 is a sectional view taken along the line CC shown in FIG. 9;
FIG. 11 is a longitudinal sectional view of still another conventional cool container.
FIG. 12 is a sectional view taken along the line DD shown in FIG. 11;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Insulated container, 1a ... Insulated material for ceiling, 1b ... Insulated material for side surfaces, 1c ... Lower corner cutout, 2 ... Carry-in door, 3 ... Cooling room, 4 ... Blower unit, 5 ... Blower duct, 6 ... Storage door, 7 ... Electrical equipment box, 8 ... Operation panel, 9 ... Insulation material cover, 10 ... Partition plate, 11 ... Blower, 12a-12g ... Outlet, 13a-13d ... Ventilation path, 14 ... Dry ice, 15 ... Inclination duct, 16 ... Valve, 21 ... Packing, 22 ... Recessed groove, 23 ... Packing receiver, 101 ... Cold container, 102 ... Loading door, 103 ... Cooling room, 104 ... Storage door, 105 ... Control box, 106 ... Bottom partition plate, 107 ... side partition plate, 108 ... heat insulation wall, 110 ... ventilation path, 111 ... ventilation path, 112 ... suction port, 113 ... blower, 114 ... blowout port, 115 ... dry ice, 117 ... through hole, 120 ... valve, 201 ... Cooling room, 2 Reference numeral 2: heat insulation wall, 203: suction blower, 204: blower, 205: inclined duct, 206: ventilation path, 207: ventilation path, 208: storage door, 209: packing, 210: gap, 211: insulation wall surface, Reference numeral 301: cooling chamber, 302: heat insulating wall, 303: suction blower, 304: outlet, 305: outlet duct, 306: ventilation path, 307a to 307c: outlet, 308: storage door, 309: through hole, 310a to 310c ... Container box insulation wall

Claims (5)

断熱壁を有するコンテナと、このコンテナ内に配置され冷媒を収納する冷却室と、この冷却室の外周壁に通風路を形成し空気の流入口及び流出口を備えた断熱材カバーと、前記流出口を断熱材カバーの側面に位置させ、この流出口に前記断熱材カバーよりも風下に突出させて配置された送風機と、前記コンテナの天井に設けられ複数の吹出口を備えた送風ダクトと、この送風ダクトと流出口とを連通させ、風路が前記送風機の風下にて先ず水平方向でありその後送風ダクトへ向かう方向へと変化する傾斜部を備えた傾斜ダクトとを有する保冷コンテナ。A container having a heat insulating wall, a cooling chamber arranged in the container for storing a refrigerant, a heat insulating material cover having an air inlet and an air outlet forming a ventilation path in an outer peripheral wall of the cooling chamber; An outlet is located on the side surface of the heat insulating material cover, a blower disposed so as to protrude downwind from the heat insulating material cover at the outflow port, and an air duct provided with a plurality of air outlets provided on the ceiling of the container, An insulated container having an inclined duct which communicates the air duct with the outlet, and has an inclined portion in which an air path is first horizontal and then changes toward the air duct on the leeward side of the air blower. 請求項1において、傾斜部の傾斜角度が30°〜60°である保冷コンテナ。The cold storage container according to claim 1, wherein the inclination angle of the inclined portion is 30 ° to 60 °. 請求項1または2において、更にコンテナ高さの半分以下のコンテナ側壁に、コンテナの内外の圧力差により開閉するバルブを有した保冷コンテナ。3. The insulated container according to claim 1, further comprising a valve on a side wall of the container having a height equal to or less than half the height of the container, the valve being opened and closed by a pressure difference between the inside and outside of the container. 請求項1乃至3のいずれかにおいて、冷却室が、この冷却室とコンテナ外とを連通する排出口を有した保冷コンテナ。4. The cold storage container according to claim 1, wherein the cooling chamber has an outlet communicating the cooling chamber with the outside of the container. 請求項4において、排出口が、冷却室に設けた収納扉のパッキン又はこのパッキンの当接するパッキン受けに形成した溝である保冷コンテナ。5. The cold storage container according to claim 4, wherein the outlet is a packing formed in a packing of a storage door provided in the cooling chamber or a packing receiver in contact with the packing.
JP2002182320A 2002-06-24 2002-06-24 Cold insulation container Pending JP2004026174A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8070793B2 (en) 2004-11-12 2011-12-06 Kabushikikaisha Igaki Iryo Sekkei Stent for vessel
JP2012184859A (en) * 2011-03-03 2012-09-27 Thermo-Magic Co Ltd Refrigeration type dry ice storage
CN107628384A (en) * 2017-09-22 2018-01-26 陕西路盾公路工程有限公司 Container for aerial fixed article
KR20180092997A (en) 2015-11-19 2018-08-20 블랑테크 가부시키가이샤 A cold body, a moving body, an ice slurry supply system, a refrigerated article transportation system, a refrigerating method of a refrigerated article, and a transportation method of a refrigerated article
WO2021036497A1 (en) * 2019-08-30 2021-03-04 中车长江车辆有限公司 Cold chain device
CN114322405A (en) * 2021-12-30 2022-04-12 澳柯玛股份有限公司 Forced air cooling wind channel subassembly and forced air cooling freezer
JP7455398B2 (en) 2021-07-29 2024-03-26 株式会社北村製作所 air circulation system

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8070793B2 (en) 2004-11-12 2011-12-06 Kabushikikaisha Igaki Iryo Sekkei Stent for vessel
JP2012184859A (en) * 2011-03-03 2012-09-27 Thermo-Magic Co Ltd Refrigeration type dry ice storage
KR20180092997A (en) 2015-11-19 2018-08-20 블랑테크 가부시키가이샤 A cold body, a moving body, an ice slurry supply system, a refrigerated article transportation system, a refrigerating method of a refrigerated article, and a transportation method of a refrigerated article
US10989458B2 (en) 2015-11-19 2021-04-27 Blanctec Co., Ltd. Cold storage unit, moving body, ice slurry supply system, cold storage article transport system, cold storage method for cold storage article, and transport method for cold storage article
US11060780B2 (en) 2015-11-19 2021-07-13 Blanctec Co., Ltd. Ice, refrigerant, ice production method, method for producing cooled article, method for producing refrigerated article of plant/animal or portion thereof, refrigerating material for plant/animal or portion thereof, method for producing frozen fresh plant/animal or portion thereof, defrosted article or processed article thereof, and freezing material for fresh plant/animal or portion thereof
CN107628384A (en) * 2017-09-22 2018-01-26 陕西路盾公路工程有限公司 Container for aerial fixed article
CN107628384B (en) * 2017-09-22 2019-04-12 上海乐慧包装有限公司 For fixing the container of article in the air
WO2021036497A1 (en) * 2019-08-30 2021-03-04 中车长江车辆有限公司 Cold chain device
JP7455398B2 (en) 2021-07-29 2024-03-26 株式会社北村製作所 air circulation system
CN114322405A (en) * 2021-12-30 2022-04-12 澳柯玛股份有限公司 Forced air cooling wind channel subassembly and forced air cooling freezer

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