JP5391301B2 - Food preservation method and food preservation apparatus using charged fine particle water - Google Patents

Food preservation method and food preservation apparatus using charged fine particle water Download PDF

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JP5391301B2
JP5391301B2 JP2012097547A JP2012097547A JP5391301B2 JP 5391301 B2 JP5391301 B2 JP 5391301B2 JP 2012097547 A JP2012097547 A JP 2012097547A JP 2012097547 A JP2012097547 A JP 2012097547A JP 5391301 B2 JP5391301 B2 JP 5391301B2
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water
electrode
food
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fine particle
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JP2012135323A (en
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康成 前田
一雅 六嶋
重行 山口
範行 北地
秀昭 山田
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Panasonic Corp
Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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Priority to JP2010065702A priority patent/JP4730465B2/en
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本発明は帯電微粒子水による食品保存方法及び食品保存装置に関するものである。   The present invention relates to a food preservation method and a food preservation apparatus using charged fine particle water.

一般に果物や根菜のような野菜を保管した場合、時間の経過と共に黴や臭いが発生する。また水分の減少により新鮮さを失ってしまう。   In general, when vegetables such as fruits and root vegetables are stored, strawberries and odors develop over time. It also loses freshness due to the loss of moisture.

近年、食品を収納して保存する収納庫内にマイナスイオンを発生するイオン発生器を設け、イオン発生器で発生したO 、CO 等のマイナスイオンを収納庫内に供給する食品保存庫が提供されている(例えば、特許文献1参照)。かかる食品保存庫ではイオン発生器で発生したマイナスイオンで食品周囲に浮遊している細菌類や食品に付着している細菌類が殺菌され、また食品の酸化変質が抑制される。またイオン発生器以外に加湿器を有しており、加湿器で水の粒子を食品の表面に当てることで水分補給できるようになっている。 In recent years, an ion generator that generates negative ions is provided in a storage for storing and storing food, and negative ions such as O 2 and CO 4 generated by the ion generator are supplied to the storage. A warehouse is provided (see, for example, Patent Document 1). In such a food storage, bacteria floating around the food and bacteria adhering to the food are sterilized by negative ions generated by the ion generator, and oxidation deterioration of the food is suppressed. Moreover, it has a humidifier other than an ion generator, and it can be rehydrated by applying water particles to the surface of food with the humidifier.

特開平11−155540号公報Japanese Patent Laid-Open No. 11-155540

上記のように食品の表面にマイナスイオンを当てることにより黴の発生や酸化による劣化を抑えることができ、また水の粒子を食品の表面に当てることで保湿して新鮮さを失わないようになっているが、マイナスイオンや水の粒子を当てたとき食品の表面にしか当らず、食品の表皮の内部までマイナスイオンや水の粒子が浸透しないために殺菌効果や酸化防止効果や保湿効果が充分ではなく、また活性種が作用してエチレンガスを除去できるものでなかった。   By applying negative ions to the surface of the food as described above, it is possible to suppress the generation of wrinkles and deterioration due to oxidation, and by applying water particles to the surface of the food, it is moisturized and does not lose its freshness. However, when negative ions or water particles are applied, it only hits the surface of the food, and the negative ions and water particles do not penetrate into the food epidermis. However, the active species did not act to remove ethylene gas.

本発明は上記の従来の問題点に鑑みて発明したものであって、防黴、防臭、エチレンガスの除去及び保湿等の効果を充分に発揮できる帯電微粒子水による食品保存方法及び食品保存装置を提供することを課題とするものである。   The present invention has been invented in view of the above-mentioned conventional problems, and provides a food storage method and a food storage device using charged fine particle water that can sufficiently exhibit the effects of fouling prevention, deodorization, removal of ethylene gas, moisture retention, and the like. The issue is to provide.

上記課題を解決するために本発明の帯電微粒子水による食品保存方法は、電を冷却し前記電極結露水を生成するとともに前記電極高電圧を印加することで前記電極生成された結露水を直接静電霧化して、ナノメータサイズで且つ活性種を含む帯電微粒子水Mを生成し、この帯電微粒子水Mを品収納庫4内に供給することを特徴とする。 Food preservation method according to the charged water particles of the present invention to solve the above problems have been generated in the electrode by applying a high voltage to the electrode to generate a dew condensation water to the electrode electrodes cooled directly electrostatically atomizing the condensate water to generate charged water particles M and including the active species in the nanometer size, and the charged water particles M and supplying the food storage case 4.

また本発明の食品保存装置は、電極、この電極高電圧を印加して静電霧化を生じさせる電圧印加部3を備え、前記電極冷却し前記電極結露水を生成するとともに前記電圧印加部3により前記電極高電圧を印加することで前記電極生成された結露水を直接静電霧化して、ナノメータサイズで且つ活性種を含み、品収納庫4内に供給するための帯電微粒子水Mを生成することを特徴とする。 The food storage device of the present invention, the electrodes and includes a voltage applying unit 3 to cause electrostatic atomization by applying a high voltage to the electrode, to generate a condensed water on the electrode to cool the electrode the condensed water generated in the electrode by applying a high voltage to the electrode by direct electrostatic atomization by the voltage applying unit 3 includes and active species in the nanometer size, and supplies the food storage case 4 For this purpose, the charged fine particle water M is generated.

また前記活性種は、ヒドロキシラジカル又はスーパーオキサイドであることも好ましい。   The active species is also preferably a hydroxyl radical or superoxide.

上記構成により、ナノメータサイズで且つ活性種を含んだ帯電微粒子水Mを生成して食品Fに供給でき、帯電微粒子水Mが食品Fの表皮の細孔の内部まで浸透すると共に帯電微粒子水Mが表皮の細孔内部に浸透した状態で活性種が作用するものであって、食品Fの表皮の細孔内部で活性種が作用して殺菌をしたり消臭したりエチレンガスを除去したりできると共に食品Fの表皮の細孔内部で保湿でき、従来に比べて防黴、防臭、エチレンガスの除去及び保湿等の効果を充分に発揮できて食品Fを長期に亙って新鮮に保存できる。   With the above configuration, the charged fine particle water M having an active species including nanometer size can be generated and supplied to the food F. The charged fine particle water M penetrates into the pores of the skin of the food F and the charged fine particle water M The active species act in a state of permeating into the pores of the epidermis, and the active species can act inside the pores of the epidermis of food F to sterilize, deodorize, or remove ethylene gas. At the same time, the moisture can be kept inside the pores of the skin of the food F, and the effects of anti-fouling, deodorization, removal of ethylene gas, moisturizing, etc. can be fully exerted compared to the conventional one, and the food F can be stored fresh for a long time.

本発明は、活性種を含んだ帯電微粒子水を生成して食品に供給でき、帯電微粒子水が食品の表皮の細孔内部まで浸透すると共に帯電微粒子水が表皮の細孔内部に浸透した状態で活性種が作用するものであって、食品の表皮の細孔内部で活性種が作用して殺菌をしたり消臭したりエチレンガスを除去したりできると共に食品の表皮の細孔内部で保湿でき、従来に比べて防黴、防臭、エチレンガスの除去及び保湿等の効果を充分に発揮できて食品を長期に亙って新鮮に保存できるという効果がある。   In the present invention, charged fine particle water containing active species can be generated and supplied to food. The charged fine particle water penetrates into the pores of the epidermis of the food and the charged fine particle water penetrates into the pores of the epidermis. Active species act, and active species can act inside the pores of food epidermis to sterilize, deodorize, remove ethylene gas, and keep moisture inside the pores of food epidermis. Compared with the prior art, the effects of fouling prevention, deodorization, removal of ethylene gas, moisturizing, etc. can be fully exerted, and the food can be stored fresh for a long time.

本発明の実施の形態の一例の一部切欠斜視図である。It is a partially cutaway perspective view of an example of an embodiment of the present invention. 同上の空気循環ユニットの断面図である。It is sectional drawing of an air circulation unit same as the above. 同上の静電霧化装置の構造の一例を説明する概念図である。It is a conceptual diagram explaining an example of the structure of an electrostatic atomizer same as the above. 同上の静電霧化装置の構造の他例を説明する概念図である。It is a conceptual diagram explaining the other example of the structure of an electrostatic atomizer same as the above. (a)(b)は食品を収納する状態を説明する概略断面図である。(A) (b) is a schematic sectional drawing explaining the state which accommodates a foodstuff. 同上の空気循環ユニットの他の例を示し、(a)はブロック図、(b)は断面図である。The other example of an air circulation unit same as the above is shown, (a) is a block diagram, (b) is sectional drawing.

以下、本発明を添付図面に示す実施形態に基いて説明する。キッチンに設ける収納庫4は本例の場合、床下収納庫であって、図1に示すようにキッチンのキッチンキャビネット8の手前の床下に設けてある。かかる収納庫4はキッチンキャビネット8内に設けられるものでも、キッチンのその他の部分に設けられるものでもよい。収納庫4内には収納庫4内に空気を循環させる空気循環ユニットBを内装してあり、空気循環ユニットB内には図2に示すようにダクト9を内装してあり、ダクト9の途中にはシロッコファンのようなファン5を内装してあり、ファン5を駆動することにより空気循環ユニットBの入口6から収納庫4内の空気を吸い込んで空気循環ユニットBの出口10から収納庫4内に吐出するようになっている。空気循環ユニットBの入口6にはフィルター7を設けてあり、空気循環ユニットBの出口10の近傍には食品保存装置としての静電霧化装置Aを内装してある。   Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings. In this example, the storage 4 provided in the kitchen is an underfloor storage, and is provided under the floor in front of the kitchen cabinet 8 of the kitchen as shown in FIG. The storage 4 may be provided in the kitchen cabinet 8 or may be provided in other parts of the kitchen. An air circulation unit B that circulates air in the storage 4 is provided in the storage 4, and a duct 9 is provided in the air circulation unit B as shown in FIG. Includes a fan 5 such as a sirocco fan. By driving the fan 5, the air in the storage 4 is sucked from the inlet 6 of the air circulation unit B and the storage 4 is discharged from the outlet 10 of the air circulation unit B. It is designed to be discharged inside. A filter 7 is provided at the inlet 6 of the air circulation unit B, and an electrostatic atomizer A as a food storage device is provided in the vicinity of the outlet 10 of the air circulation unit B.

静電霧化装置Aは、一対の電極として機能する水粒子放出部1及び対向電極2と、前記水粒子放出部1に水Wを供給するための水供給手段と、水粒子放出部1と対向電極2との間に高電圧を印加する電圧印加部3とを備えたもので、水粒子放出部1と対向電極2との間に高電圧を印加することで水粒子放出部1からナノメータサイズの帯電微粒子水(ミスト)Mを生成するものである。   The electrostatic atomizer A includes a water particle discharge unit 1 and a counter electrode 2 that function as a pair of electrodes, water supply means for supplying water W to the water particle discharge unit 1, a water particle discharge unit 1, A voltage application unit 3 for applying a high voltage between the counter electrode 2 and a nanometer from the water particle emitting unit 1 by applying a high voltage between the water particle emitting unit 1 and the counter electrode 2. A size of charged fine particle water (mist) M is generated.

図3に示す静電霧化装置Aの例では、液溜め部12と、下端が液溜め部12内に入れられて水Wに浸された多孔質材からなる棒状の搬送部13と、これらの搬送部13の保持及び水Wに対する電圧印加のための液印加電極14と、前記搬送部13の先端部の水粒子放出部1と対向する対向電極2と、上記液印加電極14と対向電極2との間に高電圧を印加する電圧印加部3とからなる。   In the example of the electrostatic atomizer A shown in FIG. 3, the liquid reservoir 12, the rod-shaped transport unit 13 made of a porous material whose lower end is placed in the liquid reservoir 12 and immersed in water W, and these The liquid application electrode 14 for holding the transport unit 13 and applying a voltage to the water W, the counter electrode 2 facing the water particle discharge unit 1 at the tip of the transport unit 13, and the liquid application electrode 14 and the counter electrode 2 and a voltage applying unit 3 for applying a high voltage between them.

対向電極2と液印加電極14は共にカーボンのような導電材を混入した合成樹脂やステンレス鋼のような金属で形成してある。   Both the counter electrode 2 and the liquid application electrode 14 are formed of a synthetic resin mixed with a conductive material such as carbon or a metal such as stainless steel.

搬送部13は多孔質材で棒状に形成するもので、本実施形態では粒径が2〜500μmのセラミック粒子からなり、その隙間の細孔が1〜250μmで連続気泡状に配置されるように形成してある。搬送部13の上端は針状に尖った水粒子放出部1となっており、搬送部13の上部が液印加電極14よりも上方に突出し、下部が液印加電極14から下方に突出して上記液溜め部12内に入れられた水Wと接触するようになっている。   The conveyance unit 13 is formed of a porous material in a rod shape, and in this embodiment, the conveyance unit 13 is made of ceramic particles having a particle size of 2 to 500 μm, and the pores in the gaps are arranged in an open cell shape with 1 to 250 μm. It is formed. The upper end of the transport unit 13 is a needle-shaped water particle discharge unit 1. The upper part of the transport unit 13 protrudes upward from the liquid application electrode 14, and the lower part projects downward from the liquid application electrode 14. The water W placed in the reservoir 12 comes into contact with the water W.

対向電極2は接地してあり、液印加電極14に電圧印加部3を接続して高電圧を印加すると共に、多孔質材で形成されている搬送部13が毛細管現象により液溜め部12に入れてある水Wを吸い上げている時、搬送部13の上端の水粒子放出部1が液印加電極14側の実質的な電極として機能する。電圧印加部3としては、電界強度が500V/mm以上、特に700〜1200V/mmの電界強度を与えることができるものが好ましい。   The counter electrode 2 is grounded, the voltage application unit 3 is connected to the liquid application electrode 14 to apply a high voltage, and the transport unit 13 formed of a porous material is put into the liquid storage unit 12 by capillary action. When the water W is sucked up, the water particle discharge unit 1 at the upper end of the transport unit 13 functions as a substantial electrode on the liquid application electrode 14 side. The voltage application unit 3 is preferably one that can give an electric field strength of 500 V / mm or more, particularly 700 to 1200 V / mm.

そして、電圧印加部3より搬送部13と対向電極2との間に高電圧を印加することで、水粒子放出部1の水Wが高電圧により大きなエネルギーを受けて表面張力を超えて分裂を繰り返すという所謂レイリー分裂を起こしてナノメータサイズの粒子径の帯電微粒子水M(例えば10〜30ナノメータ)を発生させる静電霧化がなされ、この時、同時に生成された反応性に富む活性種(ヒドロキシラジカル、スーパーオキサイド等の脱臭・除菌の源となる物質)が分裂した帯電微粒子水Mに内包されるように含まれて空気中に飛び出す。このようにして水粒子放出部1から活性種を含んだナノメータサイズの帯電微粒子水Mを発生させるものである。   Then, by applying a high voltage between the transport unit 13 and the counter electrode 2 from the voltage application unit 3, the water W of the water particle discharge unit 1 receives a large energy from the high voltage and splits beyond the surface tension. Electrostatic atomization that causes so-called Rayleigh splitting to generate charged fine particle water M (for example, 10 to 30 nanometers) having a nanometer size particle size is performed. A substance which is a source of deodorization and sterilization such as radicals and superoxide) is contained so as to be encapsulated in the divided charged fine particle water M and jumps out into the air. In this way, nanometer-sized charged fine particle water M containing active species is generated from the water particle emitting portion 1.

活性種は非常に反応性に富むため、悪臭成分の分解や黴発生の抑制に高い効果を発揮するが、その反応性が高いため単独で存在する場合には寿命が非常に短い。しかしながら、静電霧化装置Aにより得られるナノメータサイズの帯電微粒子水Mにおいては、活性種が水分子に包み込まれているように存在しているため寿命が長くなり、しかも、上記のようにナノメータサイズと非常に小さいので空気中に長時間浮遊すると共に拡散性が高く、空間の広い範囲において活性種(ヒドロキシラジカル、スーパーオキサイド等)により空気中の脱臭効果、黴や菌の除菌や繁殖の抑制効果を高めることができ、更に、帯電微粒子水Mはナノメータサイズと非常に小さいので、果物や野菜等の食品Fの表面の細孔内部に入り込むことが可能で食品Fの表面の付着臭の除去ができることとなる。以下、臭気とナノメータサイズの帯電微粒子水Mに含まれた活性種の脱臭反応式を示す。   Active species are extremely reactive, and thus have a high effect on the decomposition of malodorous components and the suppression of soot generation. However, when they are present alone, their lifetime is very short. However, in the nanometer-sized charged fine particle water M obtained by the electrostatic atomizer A, the active species exist as if encapsulated in water molecules, so that the lifetime is increased, and the nanometer as described above. Because it is very small in size, it floats in the air for a long time and has high diffusivity. In a wide range of space, active species (hydroxy radicals, superoxide, etc.) deodorize the air, disinfect and propagate bacteria and bacteria. The suppression effect can be enhanced, and furthermore, the charged fine particle water M is very small with nanometer size, so it can enter the pores on the surface of the food F such as fruits and vegetables, and the odor on the surface of the food F can be reduced. It can be removed. Hereinafter, the deodorization reaction formula of the active species contained in the odor and the nanometer-sized charged fine particle water M is shown.

アンモニア 2NH+6・OH→N+6H
アセトアルデヒド CHCHO+6・OH+O→2CO+5H
酢酸 CHCOOH+4・OH+O→2CO+4H
メタンガス CH+4・OH+O→CO+4H
一酸化炭素 CO+2・OH→CO+H
一酸化窒素 2NO+4・OH→N+2O+2H
ホルムアルデヒド HCHO+4・OH→CO+3H
なお、・OHはヒドロキシラジカルを示す。
Ammonia 2NH 3 + 6 · OH → N 2 + 6H 2 O
Acetaldehyde CH 3 CHO + 6 · OH + O 2 → 2CO 2 + 5H 2 O
Acetic acid CH 3 COOH + 4 · OH + O 2 → 2CO 2 + 4H 2 O
Methane gas CH 4 + 4 · OH + O 2 → CO 2 + 4H 2 O
Carbon monoxide CO + 2 · OH → CO 2 + H 2 O
Nitric oxide 2NO + 4 · OH → N 2 + 2O 2 + 2H 2 O
Formaldehyde HCHO + 4 · OH → CO 2 + 3H 2 O
Here, .OH represents a hydroxy radical.

また上記ナノメータサイズの帯電微粒子水Mに含まれる活性種はエチレンガスも除去できる。この反応式を下記に示す。   The active species contained in the nanometer-sized charged fine particle water M can also remove ethylene gas. This reaction formula is shown below.

エチレンガス C+12・OH→2CO+8H
また図4に示す静電霧化装置Aの例では、ペルチェユニット16の放熱部16aと冷却部16bとを備えた水供給手段が設けてある。ペルチェユニット16は、熱伝導性の高いアルミナや窒化アルミニウム等からなる絶縁板Zの片面側に回路を形成してある一対のペルチェ回路板P(P,P)を、互いの回路側が向かい合うように対向させ、多数列設してある熱電素子Nを両ペルチェ回路板P(P,P)間で挟持すると共に隣接する熱電素子N同士を両側の回路で電気的に接続させ、ペルチェ入力リード線Lを介してペルチェユニット用電源20にてなされる熱電素子Nへの通電により一方のペルチェ回路板P側から他方のペルチェ回路板P側に向けて熱が移動するように設けたもので、前記一方のペルチェ回路板Pを冷却部16bに接続すると共にペルチェ回路板Pを放熱部16aに接続する。本例では図4に示すように、ペルチェ回路板Pを設けた絶縁板Zを放熱部16aとしての放熱フィンに接続すると共にペルチェ回路板Pを設けた絶縁板Zを後述する冷却部16bに接続するものである。
Ethylene gas C 2 H 4 + 12 · OH → 2CO 2 + 8H 2 O
Moreover, in the example of the electrostatic atomizer A shown in FIG. 4, the water supply means provided with the thermal radiation part 16a and the cooling part 16b of the Peltier unit 16 is provided. The Peltier unit 16 has a pair of Peltier circuit boards P (P 1 , P 2 ) in which a circuit is formed on one side of an insulating plate Z made of alumina, aluminum nitride, or the like having high thermal conductivity, with the circuit sides facing each other. The thermoelectric elements N arranged in multiple rows are sandwiched between the two Peltier circuit boards P (P 1 , P 2 ) and the adjacent thermoelectric elements N are electrically connected to each other by the circuits on both sides. towards from one Peltier circuit board P 1 side by energizing the thermoelectric elements N, made by the Peltier unit power supply 20 to the other Peltier circuit board P 2 side through the input lead L provided so heat is transferred as hereinbefore, connecting the Peltier circuit board P 2 to the heat radiating portion 16a with connecting Peltier circuit board P 1 of the one cooling section 16b. As in the present embodiment shown in FIG. 4, the cooling unit 16b to be described later an insulating plate Z provided with a Peltier circuit board P 1 with connecting insulation plates Z provided with a Peltier circuit board P 2 to the heat radiation fins as heat dissipation portion 16a To connect to.

冷却部16bは、内部に結露水からなる水Wを溜めることができる液溜め部12が形成されるように上方に開口する略皿状に形成してあり、この冷却部16bの内部上面に液印加電極14が設けてある。   The cooling unit 16b is formed in a substantially dish shape that opens upward so that the liquid reservoir 12 that can store water W composed of condensed water is formed therein, and a liquid is formed on the inner upper surface of the cooling unit 16b. An application electrode 14 is provided.

液印加電極14は、上端部が水粒子放出部1となるもので、多孔質材で形成されるか微細孔や微細溝(図4の例では微細孔17)を有しており、その下端部の液溜め部12に貯水されている水Wを毛細管現象にて放電部となる上端部の水粒子放出部1まで搬送可能な搬送部13となるようにしてある。また、水粒子放出部1を金属で形成したり金属製の表面膜を形成したりして表面の熱伝導性を高く形成すると共に冷却部16bに熱的に接続されるように取り付けることで、水粒子放出部1の表面に直接水Wを結露させるようにしてもよい。また上端部が水粒子放出部1となる多孔質セラミック等からなる搬送部13に液印加電極14を設けてもよい。   The liquid application electrode 14 has an upper end portion serving as the water particle discharge portion 1 and is formed of a porous material or has a fine hole or a fine groove (a fine hole 17 in the example of FIG. 4). The water storage unit 12 is configured to be a transport unit 13 capable of transporting the water W stored in the liquid storage unit 12 to the water particle discharge unit 1 at the upper end as a discharge unit by capillary action. In addition, by forming the water particle discharge part 1 with metal or forming a metal surface film to form a surface with high thermal conductivity and attaching it to be thermally connected to the cooling part 16b, The water W may be condensed directly on the surface of the water particle discharge unit 1. Further, the liquid application electrode 14 may be provided on the transport unit 13 made of porous ceramic or the like whose upper end portion becomes the water particle discharge unit 1.

また冷却部16bには図4に示すうようにオーバーフロー孔Oが設けてあり、液溜め部12に溜められた水Wが一定水位以上となった時に余剰水としてオーバーフロー孔Oを介して下部の余剰水貯水タンクTへ排出することができるようになっている。   As shown in FIG. 4, the cooling part 16b is provided with an overflow hole O, and when the water W stored in the liquid storage part 12 reaches a certain water level or higher, the water is stored in the lower part through the overflow hole O as surplus water. The surplus water storage tank T can be discharged.

収納庫4内に果物や野菜等の食品Fを収納して保存する。食品Fを保存するとき空気循環ユニットBのファン5が駆動されて空気循環ユニットBの入口6から収納庫4内の空気が吸い込まれ、空気循環ユニットBの出口10から空気が収納庫4内に吐出するように空気が循環する。このとき、静電霧化装置Aでは電圧印加部3にて水粒子放出部1と対向電極2との間に高電圧が印加され、ナノメータサイズの粒子径の帯電微粒子水Mを生成させる静電霧化が行なわれる。この静電霧化により生成された帯電微粒子水Mはファン5によって送風される空気と一緒に収納庫4内を循環し、食品Fに帯電微粒子水Mが付与される。この静電霧化装置Aによる静電霧化にて活性種を含んだナノメータサイズの帯電微粒子水Mを生成して食品Fに供給できる。このナノメータサイズの帯電微粒子水Mは食品Fの表皮の細孔の内部まで浸透すると共に帯電微粒子水Mが表皮の細孔内部に浸透した状態で活性種が作用するものであって、食品Fの表皮の細孔内部で活性種が作用して殺菌をしたり消臭したりエチレンガスを除去したりできると共に食品Fの表皮の細孔内部で保湿することができる。これにより、従来に比べて防黴、防臭、エチレンガスの除去及び保湿等の効果を充分に発揮できて食品Fを長期に亙って新鮮に保存できる。また静電霧化装置Aで静電霧化した帯電微粒子水Mが空気循環ユニットBのファン5による送風にて循環させることができるため静電霧化装置Aにて霧化した帯電微粒子水Mを収納庫4の隅々まで行き亙らせて食品Fに隈なく付与できる。   The storage 4 stores and stores food F such as fruits and vegetables. When the food F is stored, the fan 5 of the air circulation unit B is driven to suck the air in the storage 4 from the inlet 6 of the air circulation unit B, and the air enters the storage 4 from the outlet 10 of the air circulation unit B. Air circulates to discharge. At this time, in the electrostatic atomizer A, a high voltage is applied between the water particle emitting unit 1 and the counter electrode 2 by the voltage application unit 3 to generate electrostatically charged fine particle water M having a nanometer size particle diameter. Atomization takes place. The charged fine particle water M generated by the electrostatic atomization circulates in the storage 4 together with the air blown by the fan 5, and the charged fine particle water M is given to the food F. The electrostatic atomization by the electrostatic atomizer A can generate nanometer-sized charged fine particle water M containing active species and supply it to the food F. The nanometer-sized charged fine particle water M penetrates into the pores of the epidermis of the food F and the active species act in a state where the charged fine particle water M penetrates into the pores of the epidermis. Active species can act inside the pores of the epidermis to sterilize, deodorize, or remove ethylene gas, and to keep the moisture inside the pores of the food F. Thereby, compared with the past, effects, such as anti-fouling, deodorization, removal of ethylene gas, and moisturizing, can be sufficiently exhibited, and the food F can be stored fresh for a long period of time. Further, since the charged fine particle water M electrostatically atomized by the electrostatic atomizer A can be circulated by blowing air from the fan 5 of the air circulation unit B, the charged fine particle water M atomized by the electrostatic atomizer A is used. Can be applied to the food F without wandering to every corner of the storage 4.

上記のように静電霧化装置Aにて水Wを静電霧化して帯電微粒子水Mを生成するが、図4に示すような静電霧化装置Aを用いると、ペルチェユニット16の冷却により結露させた結露水を静電霧化により帯電微粒子水Mを形成するための水Wとして用いることができる。これにより、収納庫4内から回収した結露水を利用して静電霧化装置Aにて帯電微粒子水Mを生成できるものであって、水Wを補給したりすることなく帯電微粒子水Mを生成できる。また上記のように空気循環ユニットBのファン5による送風にて循環する空気からペルチェユニット16による冷却にて結露させるために循環する空気の除湿ができる。これにより収納庫4内の除湿をすることができ、収納庫4内に収納した食品Fが高湿度により劣化するのを防止できる。   As described above, the electrostatic atomization device A electrostatically atomizes the water W to generate the charged fine particle water M. When the electrostatic atomization device A as shown in FIG. 4 is used, the Peltier unit 16 is cooled. The condensed water condensed by the above can be used as water W for forming the charged fine particle water M by electrostatic atomization. Thereby, the charged fine particle water M can be generated by the electrostatic atomizer A using the condensed water collected from the inside of the storage 4, and the charged fine particle water M can be supplied without replenishing the water W. Can be generated. Further, as described above, the air that is circulated by the Peltier unit 16 can be dehumidified from the air that is circulated by the air blown by the fan 5 of the air circulation unit B. Thereby, dehumidification in the storage 4 can be performed and the food F stored in the storage 4 can be prevented from being deteriorated by high humidity.

また空気循環ユニットBのファン5を駆動して空気を収納庫4内に循環させたとき、空気循環ユニットBの入口6に設けたフィルター7にて入口6から入った空気から塵埃等が除去される。このとき静電霧化装置Aがペルチェユニット16の冷却により結露水を回収する構造の場合、結露水に塵埃等が混じることがなく、静電霧化装置Aで静電霧化して帯電微粒子水Mを生成するときの弊害を生じることがない。   Also, when the fan 5 of the air circulation unit B is driven to circulate the air into the storage 4, dust or the like is removed from the air that has entered from the inlet 6 by the filter 7 provided at the inlet 6 of the air circulation unit B. The At this time, when the electrostatic atomizer A has a structure in which the dew condensation water is collected by cooling the Peltier unit 16, dust or the like is not mixed with the dew condensation water. There is no adverse effect when M is generated.

またこのフィルター7にエチレン除去触媒を内蔵させてあることが好ましい。このエチレン除去触媒はハニカム等の構造にしてある。フィルター7にエチレン除去触媒を内蔵させてあると、空気循環ユニットBの入口6から入る空気からエチレンガスを除去でき、食品Fのエチレンガスによる劣化を一層防止できる。このエチレン除去触媒の具体的な例としては、活性炭やゼオライトなどの多孔質体にエチレン酸化酵素であるエチレンモノオキシナーゼを添加したもの、パラジウム触媒、光触媒等がある。   Moreover, it is preferable that an ethylene removal catalyst is built in the filter 7. The ethylene removal catalyst has a structure such as a honeycomb. When the ethylene removal catalyst is built in the filter 7, the ethylene gas can be removed from the air entering from the inlet 6 of the air circulation unit B, and the food F can be further prevented from being deteriorated by the ethylene gas. Specific examples of the ethylene removal catalyst include a porous material such as activated carbon or zeolite to which ethylene monooxynase as an ethylene oxidase is added, a palladium catalyst, a photocatalyst, and the like.

また本発明の食品収納庫の収納庫4内に食品Fを収納するとき、図5(a)に示すように収納庫4内で果物、野菜等の食品Fを単に積み重ねるように収納しても、図5(b)に示すように収納庫4内の空気循環ユニットBの上にスノコ21を介して果物、野菜等の食品Fを積み重ねるように収納してもよい。かかるスノコ21としては格子状のものでも網状のものでもよい。このようにスノコ21を介して食品Fを収納してあると、通気性を向上できる。   Further, when the food F is stored in the storage 4 of the food storage of the present invention, the food F such as fruits and vegetables may be simply stacked in the storage 4 as shown in FIG. As shown in FIG. 5 (b), food F such as fruits and vegetables may be stacked on the air circulation unit B in the storage 4 via the slats 21. Such a slat 21 may be a grid or net. When the food F is stored through the slats 21 as described above, the air permeability can be improved.

また図6は空気循環ユニットBの他の例を示すものである。空気循環ユニットB内のダクト9に入口6から出口10に向けて順にフィルター7、ファン5、結露水生成装置18、静電霧化装置Aを内装してある。静電霧化装置Aは図3に示すものと基本的に同じである。ファン5と静電霧化装置Aとの間に設ける結露水生成装置18は集水板19とペルチェユニット16とで構成されており、ペルチェユニット16で冷却して結露させた水を集水板19にて集水して静電霧化装置Aの液溜め部12に溜めるようになっている。   FIG. 6 shows another example of the air circulation unit B. A filter 7, a fan 5, a dew condensation water generator 18, and an electrostatic atomizer A are installed in the duct 9 in the air circulation unit B in order from the inlet 6 to the outlet 10. The electrostatic atomizer A is basically the same as that shown in FIG. The dew condensation water generating device 18 provided between the fan 5 and the electrostatic atomizer A is composed of a water collecting plate 19 and a Peltier unit 16, and the water collected by cooling by the Peltier unit 16 is condensed on the water collecting plate. At 19, water is collected and stored in the liquid reservoir 12 of the electrostatic atomizer A.

またフィルター7は第1フィルター7aと第2フィルター7bの二層構造となっている。第1フィルター7aは微細網目構造になっており、第2フィルター7bは活性炭若しくは酸化触媒を装填した構造になっている。ファン5を駆動して空気を循環させると、入口6から流入した空気は第1フィルター7a、第2フィルター7bを順に通過して浄化される。入口6から流入した空気が第1フィルター7aを通過することで空気中の埃や浮遊微粒子が除去され、第2フィルター7bを通過することで空気中の不快臭成分が除去される。これにより、塵埃や不快臭成分が除去された空気が結露水生成装置18に供給され、塵埃や不快成分が溶存しない結露水が結露水生成装置18にて形成され、清浄な水が静電霧化装置Aに供給されて静電霧化される。   The filter 7 has a two-layer structure of a first filter 7a and a second filter 7b. The first filter 7a has a fine mesh structure, and the second filter 7b has a structure loaded with activated carbon or an oxidation catalyst. When the fan 5 is driven to circulate the air, the air flowing from the inlet 6 passes through the first filter 7a and the second filter 7b in order and is purified. Air flowing in from the inlet 6 passes through the first filter 7a to remove dust and airborne particles in the air, and passes through the second filter 7b to remove unpleasant odor components in the air. As a result, air from which dust and unpleasant odor components have been removed is supplied to the dew condensation water generation device 18, dew condensation water in which dust and unpleasant components are not dissolved is formed in the dew condensation water generation device 18, and clean water is electrostatic mist. Is supplied to the atomizing apparatus A and is electrostatically atomized.

上記第2フィルター7bには空気中の不快臭成分を除去する活性炭若しくは酸化触媒に加えてエチレンガスを除去するエチレン除去触媒も装填してあってもよい。   The second filter 7b may be loaded with an ethylene removal catalyst for removing ethylene gas in addition to activated carbon or an oxidation catalyst for removing unpleasant odor components in the air.

1 水粒子放出部
2 対向電極
3 電圧印加部
4 収納庫
5 ファン
6 入口
7 フィルター
A 静電霧化装置
B 空気循環ユニット
F 食品
M 帯電微粒子水
W 水
DESCRIPTION OF SYMBOLS 1 Water particle discharge part 2 Counter electrode 3 Voltage application part 4 Storage 5 Fan 6 Inlet 7 Filter A Electrostatic atomizer B Air circulation unit F Food M Charged particulate water W Water

Claims (4)

電極を冷却し前記電極に結露水を生成するとともに前記電極に高電圧を印加することで前記電極に生成された結露水を直接静電霧化して、ナノメータサイズで且つ活性種を含む帯電微粒子水を生成し、この帯電微粒子水を品収納庫内に供給することを特徴とする帯電微粒子水による食品保存方法。 And the electrode is cooled by high-voltage direct electrostatic atomizing condensed water generated in the electrode by applying to the electrodes to generate a dew condensation water to the electrode, the charged fine particles and including the active species in the nanometer size to produce water, food preservation method according to the charged water particles to the charged water particles and supplying into the food storage case. 前記活性種として、ヒドロキシラジカル又はスーパーオキサイドを含んでいることを特徴とする請求項1に記載の帯電微粒子水による食品保存方法。   The method for preserving food with charged fine particle water according to claim 1, wherein the active species contains a hydroxy radical or superoxide. 電極と、この電極に高電圧を印加して静電霧化を生じさせる電圧印加部を備え、前記電極を冷却し前記電極に結露水を生成するとともに前記電圧印加部により前記電極に高電圧を印加することで前記電極に生成された結露水を直接静電霧化して、ナノメータサイズで且つ活性種を含み、品収納庫内に供給するための帯電微粒子水を生成することを特徴とする食品保存装置。 Electrode and comprises a voltage application unit that causes the electrostatic atomization by applying a high voltage to the electrode, a high voltage to the electrode by the voltage applying unit generates the condensed water to the electrode to cool the electrode the condensed water generated in the electrode directly electrostatic atomization by applying a feature to generate charged water particles to include and active species in nanometer size, fed into the food storage case Food storage equipment. 前記活性種は、ヒドロキシラジカル又はスーパーオキサイドであることを特徴とする請求項3に記載の食品保存装置 The food storage device according to claim 3, wherein the active species is a hydroxy radical or superoxide .
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JP2011007044A JP2011092209A (en) 2004-08-26 2011-01-17 Method for preserving food by using electrically charged fine water particle, and food preservation apparatus
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JP4517776B2 (en) * 2004-08-26 2010-08-04 パナソニック電工株式会社 Food storage
JP2008101817A (en) * 2006-10-18 2008-05-01 Matsushita Electric Ind Co Ltd Refrigerator
JP2008122046A (en) * 2006-11-16 2008-05-29 Matsushita Electric Ind Co Ltd Refrigerator
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JP4333779B2 (en) 2007-05-25 2009-09-16 パナソニック電工株式会社 Blower
CN101874185B (en) * 2007-10-09 2014-04-02 松下电器产业株式会社 Refrigerator
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NZ596704A (en) * 2007-11-06 2013-03-28 Panasonic Corp Refrigerator with an atomization device and a protection unit to prevent ignition of refrigerant
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JP2010063438A (en) * 2008-09-12 2010-03-25 Panasonic Electric Works Co Ltd Electrostatic atomizing device, and food preserving device equipped with the same
JP2010075094A (en) * 2008-09-25 2010-04-08 Panasonic Electric Works Co Ltd Device for preserving fresh food and/or flower
ES2498728T3 (en) * 2009-03-27 2014-09-25 Mitsubishi Electric Corporation Electrostatic atomizer device, appliances, air conditioner and refrigerator
JP5416603B2 (en) * 2010-01-25 2014-02-12 パナソニック株式会社 Food storage
JP5508206B2 (en) 2010-09-27 2014-05-28 パナソニック株式会社 Electrostatic atomizer
EP2875870A1 (en) * 2012-07-18 2015-05-27 Sumitomo Chemical Company Limited Electrostatic spraying device
WO2014136382A1 (en) * 2013-03-06 2014-09-12 パナソニック株式会社 Method for preserving food freshness, device for preserving food freshness and food storage unit provided with said freshness-preserving device
JP6666335B2 (en) * 2015-04-23 2020-03-13 株式会社東芝 Sterilization method, sterilization system and storage method
JPWO2016170701A1 (en) * 2015-04-23 2017-06-01 株式会社東芝 Storage method and sterilizer
BR112018015814A2 (en) 2016-02-04 2018-12-26 Kawakami Shigeki functional film, functional container, and method for maintaining freshness
JP2021188757A (en) * 2020-05-26 2021-12-13 日栄インテック株式会社 Freshness retention device
WO2021243371A1 (en) * 2020-05-29 2021-12-02 Aa Plasma Llc Food and fresh produce disinfection chamber utilizing fast mixed liquid and nonequilibrium plasma-generated species

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0293629A (en) * 1988-09-30 1990-04-04 Fuji Photo Film Co Ltd Image collecting and recording device
JPH0293629U (en) * 1989-01-10 1990-07-25
JP2686189B2 (en) 1991-07-08 1997-12-08 三洋電機株式会社 refrigerator
JPH05137502A (en) 1991-11-14 1993-06-01 Mitsubishi Heavy Ind Ltd Ethylene removing unit
JPH0650564A (en) * 1992-07-29 1994-02-22 Sharp Corp Integral air conditioner for both room cooler and heater
JPH07174455A (en) 1993-12-20 1995-07-14 Hitachi Ltd Refrigerator with deep freezer
JPH07260331A (en) * 1994-03-18 1995-10-13 Toshiba Corp Refrigerator
JP2838775B2 (en) * 1995-03-24 1998-12-16 ニチアス株式会社 Freshness keeping device
JPH0837918A (en) * 1995-07-27 1996-02-13 Sharp Corp Apparatus for retaining freshness of vegetable and fruit
JP3666986B2 (en) * 1996-04-30 2005-06-29 松下エコシステムズ株式会社 How to store germinating seeds
JPH1132672A (en) * 1997-07-22 1999-02-09 Isuzu Motors Ltd Freshness-keeping unit
JPH11155540A (en) * 1997-11-26 1999-06-15 Sanden Corp Food storage chamber
JP2001330365A (en) 2000-05-22 2001-11-30 Matsushita Refrig Co Ltd Refrigerator
JP2002203657A (en) * 2000-12-27 2002-07-19 Daikin Ind Ltd Ion generator
JP2003017297A (en) * 2001-07-04 2003-01-17 Daikin Ind Ltd Discharge device and plasma reactor
JP2003032561A (en) 2001-07-17 2003-01-31 Canon Inc Program selection device and method, program information distribution method, receiver and storage medium
JP5149473B2 (en) * 2001-09-14 2013-02-20 パナソニック株式会社 Deodorization device
JP4004437B2 (en) * 2002-06-25 2007-11-07 松下電工株式会社 Air cleaner
JP2004192944A (en) * 2002-12-11 2004-07-08 Akiko Sugawara Ion generator, food storage, showcase, sterilization storage, plastic greenhouse, sterilization method, plant growing method, food processing method, food circulation method, food storage method, and foodstuff transportation method
JP4517776B2 (en) * 2004-08-26 2010-08-04 パナソニック電工株式会社 Food storage

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