Cold insulation tool

Abstract

Provided is a cold insulation tool capable of easily producing ice slurry. The cold insulation tool includes an outer casing that is provided to accommodate a tubular storage container filled with a beverage, a heat exchange unit that is detachably provided in the outer casing, and a stimulating unit that increases a surface area of at least a part of a gas-liquid interface of the beverage, in which the heat exchange unit includes a heat-storage material having a predetermined melting point, and a filling portion that has an internal space for filling with the heat-storage material liquid-tightly, and the melting point of the heat-storage material is lower than −0.2° C.

1 . A cold insulation tool comprising:
 an outer casing that is provided to accommodate a storage container that is tubular and filled with a beverage;   a heat exchange unit that is detachably provided in the outer casing; and   a stimulating unit that increases a surface area of at least a part of a gas-liquid interface of the beverage,   wherein the heat exchange unit includes
 a heat-storage material having a predetermined melting point, and 
 a filling portion that has an internal space for liquid-tightly filling the heat-storage material therein, and 
   the melting point of the heat-storage material is lower than −0.2° C.   
     
     
         2 . The cold insulation tool according to  claim 1 ,
 wherein the stimulating unit has a main body portion that has a tubular shape, a bowl shape, or a substantially spherical shape and has an internal space, and   a plurality of holes are formed in at least a part of the main body portion.   
     
     
         3 . The cold insulation tool according to  claim 2 ,
 wherein a density of a forming material of the main body portion is lower than a density of water at 20° C.   
     
     
         4 . The cold insulation tool according to  claim 2 , further comprising:
 a holding portion that holds the main body portion at an opening of the storage container.   
     
     
         5 . The cold insulation tool according to  claim 1 ,
 wherein the stimulating unit includes
 a shaft member and 
 a brush body that is provided on at least a part of the shaft member. 
   
     
     
         6 . The cold insulation tool according to  claim 1 ,
 wherein the stimulating unit is a porous body.   
     
     
         7 . The cold insulation tool according to  claim 1 ,
 wherein the stimulating unit includes
 a plurality of linear members that extend along an axial direction of a central axis and are radially disposed along a circumferential direction of the central axis, and 
 a support that supports the plurality of linear members. 
   
     
     
         8 . The cold insulation tool according to  claim 2 , further comprising:
 a closing member that is detachably provided at an opening of the storage container,   wherein the stimulating unit is provided on the closing member.   
     
     
         9 . The cold insulation tool according to  claim 2 , further comprising:
 a container main body that is tubular and provided such that the container main body is filled with the beverage, and accommodated in the outer casing, and   a closing member that is detachably provided at an opening of the container main body.   
     
     
         10 . The cold insulation tool according to  claim 9 ,
 wherein the stimulating unit is provided on the closing member.   
     
     
         11 . The cold insulation tool according to  claim 1 , further comprising:
 an alarm unit that outputs an alarm sound.   
     
     
         12 . The cold insulation tool according to  claim 1 ,
 wherein the stimulating unit includes a vibration generation unit that applies vibration to the beverage.   
     
     
         13 . The cold insulation tool according to  claim 12 , further comprising:
 a measurement unit for measuring a time for cooling the beverage, and   a timer unit that automatically controls the vibration generation unit after a time measured by the measurement unit reaches a predetermined time,   wherein the predetermined time is a time preset as a time taken for a temperature of the beverage reaching a temperature lower than a freezing starting temperature of the beverage.   
     
     
         14 . The cold insulation tool according to  claim 13 , further comprising:
 an alarm unit that outputs an alarm sound after reaching the predetermined time.   
     
     
         15 . The cold insulation tool according to  claim 12 ,
 wherein the vibration generation unit includes an ultrasonic wave generation unit that exposes the beverage to an ultrasonic wave.   
     
     
         16 . The cold insulation tool according to  claim 1 , further comprising:
 a communication unit that communicates with an external device, and   a notification unit that notifies, via the communication unit, the external device after a time taken for a temperature of the beverage reaching a temperature lower than a freezing starting temperature of the beverage is elapsed.   
     
     
         17 . The cold insulation tool according to  claim 1 , further comprising:
 a damper that is provided on an inner peripheral surface of the outer casing.   
     
     
         18 . The cold insulation tool according to  claim 1 ,
 wherein the outer casing has a fixing portion that is provided to fix the storage container.   
     
     
         19 . The cold insulation tool according to  claim 9 ,
 wherein the outer casing has a fixing portion that is provided to fix the container main body.   
     
     
         20 . The cold insulation tool according to  claim 1 ,
 wherein the stimulating unit has a capsule-like or tablet-like carbon dioxide-generating agent that generates carbon dioxide by coming into contact with the beverage.   
     
     
         21 . The cold insulation tool according to  claim 20 ,
 wherein the carbon dioxide-generating agent is a tablet-like carbon dioxide-generating agent, and contains a water-soluble main agent and compressed carbon dioxide.   
     
     
         22 . The cold insulation tool according to  claim 20 ,
 wherein the carbon dioxide-generating agent contains sodium hydrogencarbonate and citric acid.   
     
     
         23 . The cold insulation tool according to  claim 1 ,
 wherein a foamed resin or cloth is used as a forming material for the outer casing.   
     
     
         24 . The cold insulation tool according to  claim 23 ,
 wherein the outer casing uses a stretchable material as the forming material.   
     
     
         25 . The cold insulation tool according to  claim 1 ,
 wherein a freezing temperature of the heat-storage material is −30° C. or higher.   
     
     
         26 . The cold insulation tool according to  claim 25 ,
 wherein the freezing temperature of the heat-storage material is −18° C. or higher.   
     
     
         27 . The cold insulation tool according to  claim 1 ,
 wherein the heat-storage material is an inorganic salt aqueous solution containing water and an inorganic salt,   a concentration w of the inorganic salt with respect to a total mass of the inorganic salt aqueous solution is lower than a concentration forming a eutectic crystal of the water and the inorganic salt, and   a melting point T of the heat-storage material satisfies a following Equation (1).   
       
         
           
             
               
                 
                   
                     
                       T 
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                             R 
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                               T 
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                              
                             H 
                           
                         
                       
                     
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                       nw 
                       
                         M 
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                           ( 
                           
                             
                               1 
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                               0 
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                             w 
                           
                           ) 
                         
                       
                     
                   
                 
                 
                   
                     ( 
                     1 
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         (T: melting point (° C.) 
         w: concentration of inorganic salt (wt %) 
         M: molecular weight of inorganic salt (g/mol) 
         R: gas constant (J/K·mol) 
         Tf: melting point of water (K) 
         ΔH: latent heat of water (J/g) 
         n: a number of ions generated when one inorganic salt is ionized in aqueous solution) 
       
     
     
         28 . The cold insulation tool according to  claim 1 ,
 wherein the heat-storage material is an inorganic salt aqueous solution containing water and an inorganic salt, and   a concentration of the inorganic salt with respect to a total mass of the inorganic salt aqueous solution is a concentration forming a eutectic crystal of the water and the inorganic salt.