WO2021147584A1 - 制冰模组及制冰方法 - Google Patents

制冰模组及制冰方法 Download PDF

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Publication number
WO2021147584A1
WO2021147584A1 PCT/CN2020/137534 CN2020137534W WO2021147584A1 WO 2021147584 A1 WO2021147584 A1 WO 2021147584A1 CN 2020137534 W CN2020137534 W CN 2020137534W WO 2021147584 A1 WO2021147584 A1 WO 2021147584A1
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WO
WIPO (PCT)
Prior art keywords
ice
groove
making mold
upper cover
storage tank
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PCT/CN2020/137534
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English (en)
French (fr)
Inventor
薛建军
朱小兵
张延庆
杜启海
Original Assignee
青岛海尔电冰箱有限公司
海尔智家股份有限公司
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Application filed by 青岛海尔电冰箱有限公司, 海尔智家股份有限公司 filed Critical 青岛海尔电冰箱有限公司
Priority to EP20915474.9A priority Critical patent/EP4095463A4/en
Publication of WO2021147584A1 publication Critical patent/WO2021147584A1/zh

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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
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C1/00—Producing ice
    • F25C1/18—Producing ice of a particular transparency or translucency, e.g. by injecting air
    • 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
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C1/00—Producing ice
    • F25C1/04—Producing ice by using stationary moulds
    • 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
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C1/00—Producing ice
    • F25C1/22—Construction of moulds; Filling devices for moulds
    • 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
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C1/00—Producing ice
    • F25C1/22—Construction of moulds; Filling devices for moulds
    • F25C1/24—Construction of moulds; Filling devices for moulds for refrigerators, e.g. freezing trays
    • F25C1/243—Moulds made of plastics e.g. silicone

Definitions

  • the invention relates to the field of ice making devices, in particular to an ice making module for preparing transparent spherical ice and an ice making method.
  • the existing ice-making molds are used to prepare irregular or square or spherical solid ice cubes.
  • the surface is first frozen, so that impurities and air in the water are squeezed toward the center, which may eventually lead to opaque clouds in the prepared solid ice cubes and insufficient crystallinity.
  • Transparent solid ice cubes can make wine and beverages more attractive.
  • transparent solid ice cubes without bubbles have a higher natural density and slow melting. It is not easy to cause the taste of the iced beverage to fade.
  • transparent solid ice cubes are not prone to ice cracks and can maintain the integrity of the ice cube shape.
  • the purpose of the present invention is to provide a new ice-making mold for preparing transparent spherical ice, by controlling the water in the ice-making mold to unidirectionally cool and freeze, thereby obtaining transparent spherical ice.
  • the present invention provides an ice-making mold for preparing transparent ice.
  • the ice-making mold includes a base having a first body, a first water storage tank is formed on the first body, and an upper cover having a first body. Two bodies, a second water storage tank is formed on the second body, and the second water storage tank corresponds to the first water storage tank; wherein the thermal conductivity of the first body is greater than the thermal conductivity of the second body, when the upper cover Buckled on the base, the first water storage tank and the second water storage tank are used to jointly contain water for preparing transparent ice.
  • the first water storage tank includes a first hemispherical groove at the lower part and a cylindrical groove at the upper part, the first hemispherical groove and the cylindrical groove communicate with each other;
  • the second water storage tank It includes a second hemispherical groove; the first edge of the first hemispherical groove and the second edge of the second hemispherical groove abut against each other to form a spherical groove.
  • an overflow port is provided at the upper end of the groove wall of the cylindrical groove.
  • the second body further includes a buckle groove
  • the buckle groove is arranged around the outer wall of the second hemispherical groove, wherein, after the base and the upper cover are buckled, the cylindrical groove The groove wall is inserted into the buckling groove, and the first edge of the first hemispherical groove and the second edge of the second hemispherical groove abut against each other to form the spherical groove.
  • an exhaust hole is provided on the top of the second hemispherical groove, and the exhaust hole connects the spherical groove and the outer side of the upper cover.
  • the lowest position of the first hemispherical groove has a first thickness
  • the lowest position of the second hemispherical groove has a second thickness
  • the first thickness is smaller than the second thickness
  • a first extension portion is provided on one side of the first body, and the first extension portion extends toward the upper cover, wherein a drainage hole is provided on the first extension portion and/or the first body.
  • a second extension portion is provided on the other side of the first body, and the second extension portion extends in a direction away from the upper cover, wherein at least one through hole is provided on the second extension portion.
  • the base is a plastic base or a metal base
  • the upper cover is a silicone upper cover
  • the present invention also provides a method for preparing transparent spherical ice, which includes:
  • Step S1 providing an ice-making mold
  • Step S2 pouring water into the first water storage tank of the base of the ice-making mold
  • Step S3 buckle the upper cover of the ice-making mold to the base, and the first edge of the first hemispherical groove of the base and the second edge of the second hemispherical groove of the upper cover abut against each other to form the spherical groove ,
  • the water in the first water storage tank enters the spherical tank;
  • Step 4 Freeze the ice-making mold, and the water in the spherical groove gradually freezes from the first hemispherical groove toward the second hemispherical groove to form a transparent ice ball;
  • the volume of water entering the spherical groove accounts for 90% of the volume of the spherical groove
  • the ice-making mold is the ice-making mold as described above.
  • the present invention provides an ice-making mold and an ice-making method thereof.
  • the thermal conductivity of the base of the ice-making module is greater than that of the upper cover, so that the freezing direction of the water contained in the ice-making module can be controlled , In order to form one-way icing, and then obtain transparent ice with high permeability.
  • Fig. 1 is a schematic diagram of the ice-making mold of the present invention before being fastened.
  • Fig. 2 is a schematic cross-sectional view of the ice making mold in Fig. 1.
  • Fig. 3 is a schematic diagram of the ice-making mold of the present invention after being fastened.
  • Fig. 4 is a schematic cross-sectional view of the ice making mold in Fig. 3.
  • FIG. 1 is a schematic diagram of the ice-making mold of the present invention before being fastened
  • FIG. 2 is a schematic cross-sectional view of the ice-making mold in FIG. 1.
  • the present invention provides an ice-making mold 100, which is suitable for preparing transparent ice.
  • the following will take the ice making mold 100 to prepare spherical transparent ice as an example to illustrate the structure and the method of making spherical transparent ice, but it is not limited thereto.
  • various shapes of transparent ice can be formed by changing the shape of the base of the ice-making mold and the water storage tank in the upper cover.
  • the ice-making mold 100 includes a base 10 and an upper cover 20, wherein the thermal conductivity of the base 10 is greater than that of the upper cover 20, so that the ice-making mold 100 is heated during the ice making process. It gradually freezes from the first water storage tank 12 of the base 10 toward the second water storage tank 22 of the upper cover 20 to form transparent ice.
  • the base 10 is, for example, a metal base, a plastic base, etc.
  • the metal base is made of aluminum or aluminum alloy material, for example
  • the plastic base is made of polyethylene (PP) material, for example
  • the upper cover is made of materials with poor performance and good heat insulation performance.
  • the base 10 includes a first body 11 formed with a first water storage tank 12 on the first body 11.
  • the first water storage tank 12 includes a first hemispherical groove 121 located at the bottom and a column located at the top
  • the first hemispherical groove 121 and the cylindrical groove 122 communicate with each other, wherein the groove wall part of the cylindrical groove 122 is arranged around the outer wall of the first hemispherical groove 121, so that the first hemispherical groove 121
  • the first edge 1211 protrudes from the inner side of the groove wall of the cylindrical groove 122.
  • the cylindrical groove 122 protrudes from the first side of the first body 11, and the top of the groove wall of the cylindrical groove 122 is higher than the first edge 121.
  • the top of the wall of the cylindrical tank 122 has an overflow port 123, and the overflow port 123 is used to make the volume of the first water storage tank 12 equal to 90% of the volume of the transparent spherical ice to be prepared. This is because the density of ice is about 0.9 of that of water, and the volume of water increases after it freezes. Taking into account the volume change caused by the above-mentioned phase change, the overflow 123 maintains the volume of the first water storage tank 12 at the transparent level to be prepared. 90% of the volume of the spherical ice, water exceeding this part of the volume flows out from the overflow port 123.
  • the base 10 is provided with a drain hole 14, and the drain hole 14 may be formed on the first body 11 to drain the water flowing out from the overflow port 123.
  • the drain hole 14 is formed at the corner of the first body 11, but it is not limited to this.
  • a first extension portion 13 is provided on one side of the first body 11, and the first extension portion 13 extends toward the upper cover 20.
  • the first extension portion 13 is provided around the edge of the first body 11.
  • the first extension 13, part of the first body 11 and the outer side of the groove wall of the cylindrical groove 122 constitute an accommodation space.
  • the drainage hole can also be provided on the first extension part, or the drainage hole can also be provided at the junction of the first extension part and the first body. That is, the drainage hole can be substantially provided on the first body and/or the first extension portion.
  • a second extension 15 is provided on the opposite side of the first body 11, and the second extension 15 extends toward and away from the upper cover 20.
  • the second extension portion 15 is arranged around the edge of the first body 11, where the first body 11 is, for example, a quadrilateral shape, and the second extension portion 15 corresponds to the quadrilateral shape and includes a plurality of extension walls, each of which is provided with at least one channel Hole 16.
  • at least one through hole 16 allows cold air to circulate at the second extension 15 of the base 10, which improves the heat exchange efficiency of the base 10 and facilitates the preferential cooling of the water contained in the first water storage tank 12.
  • the lowest position of the first hemispherical groove 121 protrudes from the second side of the first body 11, so that the cold air passing through the at least one through hole 16 first begins to cool the lowest position of the first hemispherical groove 121 to control the first hemispherical groove 121
  • the water in the groove 121 cools and freezes from bottom to top, and finally forms transparent ice.
  • the focus of the present invention is to control the water contained in the ice making mold 100 to freeze in a single direction.
  • the direction of water freezing is from bottom to top, but it is not limited to this.
  • the direction in which the water freezes may be other directions, as long as the water freezes and freezes in one direction.
  • the at least one through hole 16 can also be held by the user to separate the base 10 and the upper cover 20 from each other.
  • the base 10 can be formed by integral molding, such as injection molding, 3D printing, or casting.
  • the upper cover 20 includes a second body 21, and a second hemispherical groove 22 recessed from the bottom surface 212 of the second body 21 toward the top surface 211, wherein the second hemispherical groove 22 Used to form the upper half of the spherical groove S (shown in Figure 4).
  • the first hemispherical groove 12 and the second hemispherical groove 22 form a spherical groove S( As shown in Figure 4).
  • the top surface 211 is opposite to the bottom surface 212.
  • the second edge 221 is higher than the bottom surface 212 of the second body 21, and the bottom surface 212 faces the base 10.
  • An exhaust hole 23 is provided at the highest position of the second hemispherical groove 22, and the exhaust hole 23 connects the second hemispherical groove 22 with the atmosphere outside the top surface 211 of the second body 21.
  • the exhaust hole 23 is used to connect the spherical groove S with the outside atmosphere, and the excess gas in the spherical groove S is discharged from the outside atmosphere through the exhaust hole 23.
  • the hole diameter of the vent hole 23 is relatively small, about 5 mm.
  • the upper cover 20 further includes a buckling groove 24, and the buckling groove 24 is arranged around the outer wall 222 of the second hemispherical groove 22, and the outer wall 222 can be regarded as the groove wall of the buckling groove 24.
  • the buckling groove 24 is matched with the groove wall of the cylindrical groove 122.
  • the groove wall of the cylindrical groove 122 extends into the buckling groove 24. Since the upper cover 20 is made of silicone material, the silicone material has certain elasticity. Therefore, when the wall of the cylindrical groove 122 is buckled with the fastening groove 24, the fastening groove 24 and the wall of the cylindrical groove 122 are closely attached to each other. , The excess air between the upper cover 20 and the base 10 can be squeezed and discharged from the exhaust hole 23.
  • the second hemispherical groove 22 is located inside the groove wall of the cylindrical groove 122, and the second hemispherical groove 22 is in close contact with the groove wall of the cylindrical groove 122, so that the second hemispherical groove 22 It is in a relatively sealed space with the first hemispherical groove 121.
  • the air dissolved in the water gradually escapes from the first hemispherical groove 121 toward the second hemispherical groove 22, It is discharged from the exhaust hole 23 at the bottom of the second hemispherical groove 22 of the upper cover 20.
  • the top of the groove wall of the cylindrical groove 122 is also provided with a guiding inclined surface 1221, and the guiding shoe upper 1221 makes the buckling of the groove wall of the cylindrical groove 122 and the buckling groove 24 smoother.
  • the thickness of the lowest position of the first hemispherical groove 121 is smaller than the thickness of the highest position of the second hemispherical groove 22. Moreover, since the thermal conductivity of the base 10 in the ice-making mold 100 is greater than that of the upper cover 20, it may be better when the thickness of the lowest position of the first hemispherical groove 121 is smaller than the thickness of the highest position of the second hemispherical groove 22 Controls the direction in which water freezes during ice making.
  • FIG. 3 is a schematic diagram of the ice-making mold of the present invention after being fastened;
  • FIG. 4 is a schematic cross-sectional view of the ice-making mold in FIG. 3.
  • the ice making mold 100 is buckled to buckle the upper cover 20 on the base 10, wherein the wall of the cylindrical groove 122 of the first water storage tank 12 of the base 10 is inserted into the upper cover 20 In the buckling groove 24, at this time, the groove wall of the cylindrical groove 122 is in close contact with the buckling groove 24, and the outer wall 222 of the second hemispherical groove 22 is in close contact with the inner side of the groove wall of the cylindrical groove 122 , So that the spherical groove S formed by the first hemispherical groove 121 and the second hemispherical groove 22 is located in a relatively sealed space.
  • the inside of the spherical groove S communicates with the outside through the exhaust hole 23 in the upper cover 20.
  • the lower part of the second body 21 of the upper cover 20 is locked into the accommodating space between the outer side of the groove wall of the cylindrical groove 122 and the inner side of the first extension portion 13, and the upper cover 20 is stably buckled on the base 10.
  • the ice-making mold 100 When the ice-making mold 100 prepares spherical transparent ice, it is placed in a freezing environment, and the cold is passed through at least one through hole 16 in the second extension portion 15 of the first body 11 of the base 10 and the first hemispherical groove 121
  • the bottom (lowest position) performs heat exchange. Since the bottom (lowest position) of the first hemispherical groove 121 has a small thickness and high thermal conductivity, it is preferentially cooled by cooling. However, the thermal conductivity of the upper cover 20 is low, and the bottom thickness of the second hemispherical groove 22 in the second body 21 of the upper cover 20 is large. Therefore, it is not easy to exchange heat with the cold in the freezing environment.
  • the present invention also provides an ice-making method for making ice according to the ice-making mold 100 shown in FIG. 1, and the ice-making method includes:
  • Step S1 providing an ice-making mold
  • Step S2 pouring water into the first water storage tank of the base of the ice-making mold
  • Step S3 buckle the upper cover of the ice-making mold to the base, and the second edge of the second hemispherical groove of the upper cover abuts against the first hemispherical groove in the first water storage tank A spherical groove is formed on the first edge of the first rim, and the water in the first water storage tank enters the spherical groove;
  • Step S4 freezing the ice making mold, and the water in the spherical groove gradually freezes from the first hemispherical groove toward the second hemispherical groove to form a transparent ice ball;
  • the volume of water entering the spherical groove accounts for 90% of the volume of the spherical groove, and the ice-making mold 100 is as described above.
  • the ice making method further includes step S5, opening the base 10 and the upper cover 20, and taking out the transparent ice ball.
  • step S5 opening the base 10 and the upper cover 20, and taking out the transparent ice ball.
  • the user holds at least one through hole 16 on the second extension 15 on the base 10 with one hand, and the user grasps the non-slip pattern 25 on the outer surface of the upper cover 20 with the other hand, rotates in the opposite direction and/or The base 10 and the upper cover 20 are stretched to separate them from each other, and the transparent ice ball is taken out.
  • step S3 the upper cover of the ice-making mold is fastened to the base. Since the first water storage tank 12 has been filled with water in advance, when the outer wall 222 of the second hemispherical groove 22 is attached to the cylindrical groove 122 The inner side of the groove wall slides until the second edge 221 and the first edge 1211 abut against each other. At this time, there may be a small amount of water in the first water storage tank 12 overflowing from the overflow opening 123 at the top of the cylindrical groove 122. It flows along the outer surface of the groove wall of the cylindrical groove to the first side of the first body 11 and is discharged through the drain hole 14.
  • the present invention provides an ice-making mold and an ice-making method thereof.
  • the thermal conductivity of the base of the ice-making module is greater than that of the upper cover, so that the freezing direction of the water contained in the ice-making module can be controlled to form a single unit. The way to freeze, and then obtain transparent ice with high permeability.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Production, Working, Storing, Or Distribution Of Ice (AREA)

Abstract

一种制冰模具（100）及其制备方法，用于制备透明冰，制冰模具（100）包括：底座（10），底座（10）具有第一本体（11），第一本体（11）上形成第一储水槽（12），以及上盖（20），上盖（20）具有第二本体（21），第二本体（21）上形成第二储水槽（22），第二储水槽（22）与第一储水槽（12）相对应；第一本体（11）的导热性能大于第二本体（21）的导热性能，当上盖（20）扣合于底座（10）上，第一储水槽（12）与第二储水槽（22）用于共同容纳制备透明冰的水。

Description

制冰模组及制冰方法 技术领域
本发明涉及制冰装置领域，特别关于一种制备透明球形冰的制冰模组及制冰方法。
背景技术
现有的制冰模具都是用来制备不规则或方形或球形的实心冰块。实心冰块在制备的过程中，先是表面冷冻，使水中的杂质以及空气被往中心挤压，最终易导致制备出的实心冰块中有不透明的云状物，晶莹度不够。
同时，市面上很多冰块都是用来冰镇酒、饮料等，透明实心冰块可以使得酒、饮料等品相更加好看；此外，无气泡的透明实心冰块的自然密度更高，融化缓慢，不易导致冰镇后的饮料味道变淡。另外，透明实心冰块不易产生冰裂，可以保持冰块形状的完整性。
有鉴于此，有必要提供一种新的制冰模具以解决上述问题。
发明内容
本发明的目的在于提出一种新的用于制备透明球形冰的制冰模具，通过控制制冰模具中的水单向冷却结冰，进而获得透明球形冰。
本发明提供一种制冰模具，用于制备透明冰，该制冰模具包括：底座，该底座具有第一本体，该第一本体上形成第一储水槽，以及上盖，该上盖具有第二本体，该第二本体上形成第二储水槽，该第二储水槽与该第一储水槽相对应；其中，该第一本体的导热性能大于该第二本体的导热性能，当该上盖扣合于该底座上，该第一储水槽与该第二储水槽用于共同容纳制备透明冰的水。
作为可选的技术方案，该第一储水槽包括位于下部的第一半球形凹槽和位于上部的柱型槽，该第一半球型凹槽和该柱形槽相互连通；该第二储水槽包括第二半球形凹槽；该第一半球型凹槽的第一边沿与该第二半球型凹槽的第二边沿相互抵靠形成球形槽。
作为可选的技术方案，该柱形槽的槽壁的上端设置溢流口。
作为可选的技术方案，该第二本体还包括扣合槽，该扣合槽围绕该第二半球型凹槽的外壁设置，其中，该底座与该上盖扣合后，该柱形槽的槽壁***该扣合槽中，该第一半球凹槽的第一边沿与该第二半球形凹槽的第二边沿相互抵靠，以形成该球形槽。
作为可选的技术方案，该第二半球形凹槽的顶部设置排气孔，该排气孔连通该球形槽与该上盖的外侧。
作为可选的技术方案，该第一半球型凹槽的最低位置具有第一厚度，该第二半球形凹槽的最低位置具有第二厚度，该第一厚度小于该第二厚度。
作为可选的技术方案，该第一本体的一侧设置第一延伸部，该第一延伸部朝向该上盖延伸，其中，该第一延伸部及/或该第一本体上设置排水孔。
作为可选的技术方案，该第一本体的另一侧设置第二延伸部，该第二延伸部朝向远离该上盖的方向延伸，其中，该第二延伸部上设置至少一个通孔。
作为可选的技术方案，该底座为塑胶底座或者金属底座，该上盖为硅胶上盖。
本发明还提供一种透明球形冰的制备方法，该制备方法包括：
步骤S1，提供制冰模具；
步骤S2，注水至该制冰模具的底座的第一储水槽中；
步骤S3，扣合该制冰模具的上盖至该底座上，该底座的第一半球形槽的第一边沿与该上盖的第二半球形槽的第二边沿相互抵靠形成该球形槽，该第一储水槽中的水进入该球形槽中；以及
步骤4，冷冻该制冰模具，该球形槽中的水自该第一半球形凹槽朝向该第二半球形凹槽中逐渐结冰形成透明冰球；
其中，进入所述球形槽中的水的体积占所述球形槽的容积的90％，且该制冰模具为如上所述的制冰模具。
与现有技术相比，本发明提供一种制冰模具及其制冰方法，制冰模组的底座导热性能大于上盖的导热性能，得以控制制冰模组中容纳的水的结冰方向，以形成单向结冰的方式，进而获得通透度高的透明冰。
以下结合附图和具体实施例对本发明进行详细描述，但不作为对本发明的限定。
附图说明
图1为本发明的制冰模具的扣合前的示意图。
图2为图1中的制冰模具的剖面示意图。
图3为本发明的制冰模具扣合后的示意图。
图4为图3中的制冰模具的剖面示意图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，下面结合实施例及附图，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。
图1为本发明的制冰模具的扣合前的示意图，图2为图1中的制冰模具的剖面示意图。
本发明提供一种制冰模具100，其适用于制备透明冰。以下将以制冰模具100制备球形透明冰为例说明其构造及球形透明冰的制冰方法，但不以此为限。
需知的是，在本发明其他实施例中，通过改变制冰模具的底座与上盖中的储水槽的形状可形成各种形状的透明冰。
如图1与图2所示，制冰模具100包括底座10与上盖20，其中，底座10的导热性能大于上盖20的导热性能，以使制冰模具100在制冰的过程中，水从底座10的第一储水槽12朝向上盖20的第二储水槽22中逐渐冻结，进而形成透明冰。
较佳的，底座10例如是金属底座、塑料底座等，金属底座例如是铝、铝合金材料形成；塑料底座例如是聚乙烯(PP)材料制成；上盖20例如硅胶上盖等软性导热性能差而隔热性能佳的材料制成的上盖。
继续参照图1与图2，底座10包括第一本体11，形成与第一本体11上第一储水槽12，第一储水槽12包括位于下部的第一半球形凹槽121及位于上部的柱形槽122，第一半球形凹槽121与柱形槽122相互连通，其中，柱形槽122的槽壁部分围绕第一半球形凹槽121的外壁设置，使得第一半球形凹槽121的第一边沿1211突出于柱形槽122的槽壁的内侧。
柱形槽122突出于第一本体11的第一侧，且柱形槽122的槽壁的顶部高于第一边沿121。此外，柱形槽122的槽壁的顶部具有溢流口123，溢流口123用于使得第一储水槽12的容积等于待制备的透明球形冰的体积的90％。这是因为冰的密度约为水的密度0.9，水结成冰后体积增加，考虑到上述相变带来的体积变化，溢流口123将第一储水槽12的容积维持在待制备的透明球形冰的体积的90％，超过这部分容积的水自溢流口123中流出。
底座10上设置排水孔14，排水孔14可形成于第一本体11上，用以排出自溢流口123中流出的水。本实施例中，排水孔14形成于第一本 体11的角落处，但不以此为限。
第一本体11的一侧设置第一延伸部13，第一延伸部13朝向上盖20处延伸。第一延伸部13围绕第一本体11的边缘设置。其中，第一延伸部13、部分第一本体11及柱形槽122的槽壁的外侧构成一容置空间。上盖20与底座10相互扣合后，上盖20的下部区域结合于所述容置空间中。
在本发明其他实施例中，排水孔还可设置于第一延伸部上，或者，排水孔还可设置于第一延伸部与第一本体的接合处。即，排水孔实质上可设置于第一本体及/或第一延伸部上。
第一本体11相背的另一侧设置第二延伸部15，第二延伸部15朝向远离远离上盖20处延伸。第二延伸部15围绕第一本体11的边缘设置，其中，第一本体11例如是四边形，第二延伸部15对应所述四边形，包括多个延伸壁，多个延伸壁上分别设置至少一个通孔16。其中，至少一个通孔16使得冷空气在底座10的第二延伸部15处流通，提高了底座10的热交换效率，便于第一储水槽12中容纳的水被优先冷却。第一半球形凹槽121的最低位置突出于第一本体11的第二侧，使得经过至少一个通孔16的冷气首先对第一半球形凹槽121的最低位置开始冷却，控制第一半球形凹槽121中的水自下而上冷却结冰，最终形成透明冰。
需要说明的是，本发明的重点在于控制制冰模具100中容纳的水进行单一方向结冰。本实施例中，水结冰的方向为自下而上，但不以此为限。在本发明其他实施例中，依据制冰模具的放置位置，水结冰的方向可以是其他方向，只需满足水单向冷冻结冰。
另外，在本发明的其他实施例中，制冰模组100完成制冰后，至少一个通孔16还可供使用者握持，以将底座10与上盖20相互分离。
底座10可通过注塑、3D打印或者浇筑等一体成型的方式形成。
如图1与图2所示，上盖20包括第二本体21，以及自第二本体21的底面212朝向顶面211凹陷的第二半球形凹槽22，其中，第二半球形 凹槽22用做于形成球形槽S(如图4所示)的上半部分。当第二半球形凹槽22的第二边沿221与第一半球形凹槽121的第一边沿1211相互抵接，第一半球形凹槽12与第二半球形凹槽22形成球形槽S(如图4所示)。其中，顶面211与底面212相背。
第二边沿221高于第二本体21的底面212，所述底面212朝向底座10。
第二半球形凹槽22的最高位置设置排气孔23，排气孔23连通第二半球形凹槽22与第二本体21的顶面211的外侧大气。或者说，排气孔23用于连通球形槽S与外界大气，球形槽S中多余的气体经排气孔23排出外界大气。排气孔23的孔径较小，约为5mm。
上盖20还包括扣合槽24，扣合槽24围绕第二半球形凹槽22的外壁222设置，外壁222可视作扣合槽24的槽壁。其中，扣合槽24与柱形槽122的槽壁相适配，当上盖20与底座10相互时，柱形槽122的槽壁伸入扣合槽24中。由于上盖20为硅胶材料制成，硅胶材料具有一定的弹性，因此，柱形槽122的槽壁与扣合槽24扣合时，扣合槽24与柱形槽122的槽壁紧密贴合，可将上盖20与底座10之间多余的空气挤压并从排气孔23中排出。
此外，第二半球形凹槽22位于柱形槽122的槽壁的内部，且第二半球形凹槽22与柱形槽122的槽壁之间紧密贴合，使得第二半球形凹槽22与第一半球形凹槽121处于一个相对密封的空间中。当容纳在第一半球形凹槽121与第二半球形凹槽22中的水冷却时，溶解在水中的空气逐渐从第一半球形凹槽121朝向第二半球形凹槽22中逸出，并从上盖20的第二半球形凹槽22的底部的排气孔23中排出。
另一，对应于扣合槽24，柱形槽122的槽壁的顶端还设置导引斜面1221，导引鞋面1221使得柱形槽122的槽壁与扣合槽24的扣合更加顺畅。
如图2所示，第一半球形凹槽121的最低位置的厚度小于第二半球 形凹槽22的最高位置的厚度。且，由于制冰模具100中底座10的导热性能大于上盖20的导热性能，当第一半球形凹槽121的最低位置的厚度小于第二半球形凹槽22的最高位置的厚度可以更好的控制制冰时水结冰的方向。
图3为本发明的制冰模具扣合后的示意图；图4为图3中的制冰模具的剖面示意图。
以下将结合图3与图4，详细说明本发明的制冰模具100的扣合。
如图3及图4所示，制冰模具100的扣合，将上盖20扣合于底座10上，其中，底座10的第一储水槽12的柱形槽122的槽壁***上盖20的扣合槽24中，此时，柱形槽122的槽壁与扣合槽24紧密贴合，且第二半球形凹槽22的外壁222与柱形槽122的槽壁的内侧紧密贴合，使得第一半球形凹槽121与第二半球形凹槽22形成的球形槽S处于一个相对的密封的空间中。球形槽S的内部通过上盖20中的排气孔23与外界相互连通。此外，上盖20的第二本体21的下部卡入柱形槽122的槽壁外侧与第一延伸部13的内侧之间的容置空间中，上盖20稳定扣合于底座10上。
制冰模具100制取球形透明冰时，其被置于冷冻环境中，冷量经底座10的第一本体11的第二延伸部15中至少一个通孔16与第一半球形凹槽121的底部(最低位置)进行热交换，由于第一半球形凹槽121的底部(最低位置)的厚度较小且导热性能大，因此，其优先被冷却降温。而上盖20的导热性能小，且上盖20的第二本体21中的第二半球形凹槽22的底部厚度大，因此，不易与冷冻环境中冷量进行热交换。当第一半球形凹槽121下部的水被冷却结冰后，冷量会自第一半球形凹槽121逐渐朝向第二半球形凹槽22中传递，使得冰自下而上逐渐形成，将溶解在水中的空气朝向水的上部挤压，从排气孔23中排出，制得通透程度高的球形透明冰。
本发明还提供依据图1中所示的制冰模具100进行制冰的制冰方法， 制冰方法包括：
步骤S1，提供制冰模具；
步骤S2，注水至所述制冰模具的底座的第一储水槽中；
步骤S3，扣合所述制冰模具的上盖至所述底座上，所述上盖的第二半球形凹槽的第二边沿抵靠所述第一储水槽中的第一半球形凹槽的第一边沿形成球形槽，所述第一储水槽中的水进入所述球形槽中；以及
步骤S4，冷冻所述制冰模具，所述球形槽中的水自第一半球形凹槽朝向第二半球形凹槽中逐渐结冰形成透明冰球；
其中，进入所述球形槽中的水的体积占所述球形槽的容积的90％，且所述制冰模具100为如上所述。
另外，制冰方法还包括步骤S5，打开所述底座10与所述上盖20，取出所述透明冰球。其中，使用者一手握持底座10上的第二延伸部15上的至少一个通孔16，使用者另一手抓住上盖20的外表面上的防滑图案25，朝向相反的方向旋转及/或拉伸底座10与上盖20以使两者相互分离，取出透明冰球。
此外，步骤S3中扣合所述制冰模具的上盖至所述底座上，由于第一储水槽12中预先已经注水，当第二半球形凹槽22的外壁222贴合于柱形槽122的槽壁的内侧滑动至第二边沿221与第一边沿1211相互抵靠，此时，第一储水槽12可能存在少量的水从柱形槽122的槽壁顶端的溢流口123中溢出，并沿着柱形槽的槽壁的外表面流至第一本体11的第一侧，并经由排水孔14中排出。
综上，本发明提供一种制冰模具及其制冰方法，制冰模组的底座导热性能大于上盖的导热性能，得以控制制冰模组中容纳的水的结冰方向，以形成单向结冰的方式，进而获得通透度高的透明冰。
当然，本发明还可有其他多种实施例，在不背离本发明精神及其实质的情况下，熟悉本领域的技术人员可根据本发明作出各种相应的改变 和变形，但这些相应的改变和变形都应属于本发明所附的权利要求的保护范围。

Claims (10)

  1. 一种制冰模具，用于制备透明冰，其特征在于：该制冰模具包括：
    底座，该底座具有第一本体，该第一本体上形成第一储水槽，以及
    上盖，该上盖具有第二本体，该第二本体上形成第二储水槽，该第二储水槽与该第一储水槽相对应；
    其中，该第一本体的导热性能大于该第二本体的导热性能，当该上盖扣合于该底座上，该第一储水槽与该第二储水槽用于共同容纳制备透明冰的水。
  2. 如权利要求1所述的制冰模具，其特征在于，该第一储水槽包括位于下部的第一半球形凹槽和位于上部的柱形槽，该第一半球型凹槽和该柱形槽相互连通；该第二储水槽包括第二半球形凹槽；该第一半球型凹槽的第一边沿与该第二半球型凹槽的第二边沿相互抵靠形成球形槽。
  3. 如权利要求2所述的制冰模具，其特征在于，该柱形槽的槽壁的上端设置溢流口。
  4. 如权利要求2所述的制冰模具，其特征在于，该第二本体还包括扣合槽，该扣合槽围绕该第二半球型凹槽的外壁设置，其中，该底座与该上盖扣合后，该柱形槽的槽壁***该扣合槽中，该第一半球凹槽的第一边沿与该第二半球形凹槽的第二边沿相互抵靠，以形成该球形槽。
  5. 如权利要求2所述的制冰模具，其特征在于，该第二半球形凹槽的顶部设置排气孔，该排气孔连通该球形槽与该上盖的外侧。
  6. 如权利要求2所述的制冰模具，其特征在于，该第一半球型凹槽的最低位置具有第一厚度，该第二半球形凹槽的最低位置具有第二厚度，该第一厚度小于该第二厚度。
  7. 如权利要求1所述的制冰模具，其特征在于，该第一本体的一侧设置第一延伸部，该第一延伸部朝向该上盖延伸，其中，该第一延伸部 及/或该第一本体上设置排水孔。
  8. 如权利要求1所述的制冰模具，其特征在于，该第一本体的另一侧设置第二延伸部，该第二延伸部朝向远离该上盖的方向延伸，其中，该第二延伸部上设置至少一个通孔。
  9. 如权利要求1所述的制冰模具，其特征在于，该底座为塑胶底座或者金属底座，该上盖为硅胶上盖。
  10. 一种透明球形冰的制备方法，其特征在于，该制备方法包括：
    步骤S1，提供制冰模具；
    步骤S2，注水至该制冰模具的底座的第一储水槽中；
    步骤S3，扣合该制冰模具的上盖至该底座上，该底座的第一半球形槽的第一边沿与该上盖的第二半球形槽的第二边沿相互抵靠形成该球形槽，该第一储水槽中的水进入该球形槽中；以及
    步骤4，冷冻该制冰模具，该球形槽中的水自该第一半球形凹槽朝向该第二半球形凹槽中逐渐结冰形成透明冰球；
    其中，进入所述球形槽中的水的体积占所述球形槽的容积的90％，且该制冰模具为如权利要求1-9中任意一项所述的制冰模具。
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