CN100338419C - Ice making device, ice making refrigerator, ice making method - Google Patents

Ice making device, ice making refrigerator, ice making method Download PDF

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Publication number
CN100338419C
CN100338419C CNB2004100302690A CN200410030269A CN100338419C CN 100338419 C CN100338419 C CN 100338419C CN B2004100302690 A CNB2004100302690 A CN B2004100302690A CN 200410030269 A CN200410030269 A CN 200410030269A CN 100338419 C CN100338419 C CN 100338419C
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China
Prior art keywords
ice
mentioned
making
generating portion
making disc
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CNB2004100302690A
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Chinese (zh)
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CN1532484A (en
Inventor
坂本克正
岡部诚
小西広繁
大矢惠司
中野真理子
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25CPRODUCING, WORKING OR HANDLING ICE
    • F25C1/00Producing ice
    • F25C1/18Producing ice of a particular transparency or translucency, e.g. by injecting air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/02Refrigerators including a heater

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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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

Provided is a domestic refrigerator provided with an ice making device capable of eliminating defective ice, capable of dispensing with a mechanism for treating cloudy ice melting water, and capable of making ice of high transparency by inexpensive constitutive members, and to provide the device and a method reduced in energy for making easily the transparent ice. This ice making device is mounted with an ice making pan provided with a plurality of ice generating parts, in every ice making block of the single-structured ice making pan partitioned into the plurality of ice making blocks to store water and to make the ice.

Description

Ice maker and deep freezer
Technical field
The present invention relates to a kind of technology of separating dissolved gases composition in the water that supplies to ice-making disc and ion component etc. when in ice maker, generating ice, obtaining the ice of the high grade of transparency.
Background technology
Past in the deep freezer of family expenses etc., as the automatic ice-making plant that obtains popularizing, will be stored into from the water that water supply installation is supplied with and carry out ice making the ice-making disc, make the ice-making disc counter-rotating that ice is left by drive unit after the ice making, and this ice is stored.Yet, generally form the ice of gonorrhoea.
Generally form the occasion of crystal, form crystal by single component at material.The occasion that water congeals into ice is also identical, and for this reason, the impurity that is dissolved in the water is discharged to ice-water termination in freezing process, becomes hypersaturated state at ice-water termination impurity.The big occasion of speed that spreads in water than the impurity of supersaturation water layer in the speed of growth of ice, ice is taken into impurity and grows on one side, ices by this impurity that is taken into gonorrhoea.
Ice seems, and gonorrhoea is the part of whitening owing to form reverberation in ice, and this is because the material that is dissolved in the water dissolved gases composition (CO particularly 2, O 2Deng) be sealing in the ice as micro-bubble.The light that enters into ice is in bubble surface refraction or reflection.Even the volume of gas componant is identical, the reformed probability in path that forms a large amount of more tiny bubble time also correspondingly increases, and promptly light is easy to diffuse reflection, thereby whitening.
But the ice of generally seeing is not considered transparency, and for a plurality of monocrystalline ice is assembled the polycrystalline ice that forms, the occasion of the material between crystal in the remaining water that is dissolved in supply is more.Therefore, make the taste of reality that the purpose of transparency ice is to improve ice, in the refrigerator relevant, become big problem, known more known technology with food not equal to be to pursue the visual delicious sense and the outward appearance U.S. of watching.
For example propose to have ice-making disc is formed the automatic ice-making plant (with reference to patent documentation 2) that is installed on the open surface of the insulated tank that is provided with heater by the double-layer structural (with reference to patent documentation 1) of a plurality of apertures connections, with this ice-making disc.In addition, has the technology (with reference to patent documentation 3) that stores the water have impurity, divides the water draining, a part is pumped up water.
(patent documentation 1)
No. 2524811 communiques of Japan Patent (Fig. 6, Figure 10 etc.)
(patent documentation 2)
The real flat 6-4561 communique (Fig. 1 etc.) of opening of Japan
(patent documentation 3)
Japan Patent is logined No. 2781429 (claim 1 etc.)
In the ice maker in the past, as the hole that is communicated with part that obtains transparency ice and the part of collecting gonorrhoea water is little, then water does not enter into lower wall under the capillary effect of water, may cloudy ice occur at last dish, or exist the pressure that produces by the volumetric expansion of icing to cause the danger of ice-making disc breakage.In addition, when supplying water, also may assemble bubble in the separator bottom.Come-up after this bubble and the shallow freezing of last dish ice, degassing face disappear, thereby the ice of formation abnormity.In addition, from when ice, the thickness of solid layer increases along the face of trying to get to the heart of a matter is whole, thereby the moment of torsion when ice is increased, and exists motor size not only to increase but also require the problem of unnecessary energy.In addition, behind ice,, need press the height input energising 30~60 minutes continuously about 10W, exist the influence of being located at ice in the aqua storage tank under the ice-making disc and other chamber, the deterioration of consumption electric power etc. are caused unpractical problem in order to melt lower wall ice.In addition, the water after need melting the ice turns back to the mechanism of supply flume and ice is picked up the dehydration cage that makes its drying etc. from water, and it is complicated that structure becomes, and it is big that size becomes, and manufacturing expense is also bigger.
Summary of the invention
The present invention makes in order to solve above such problem, its purpose is to provide a kind of ice maker and ice making method, this ice maker and ice making method can be eliminated the bad order of ice, and, do not need to handle the mechanism of cloudy ice thawing water, can be by the refining high ice of transparency of the component parts of cheapness.In addition, the objective of the invention is to obtain to make simply device, the method for the little energy of transparency ice.In addition, the object of the present invention is to provide a kind of refrigerator that food is accommodated the practicality of the transparency ice that the space of part can obtain to look delicious that do not reduce.
Ice maker of the present invention is characterized in that: comprise ice-making disc, the 1st ice generating portion, the 2nd ice generating portion; This ice-making disc has open surface up, respectively the water of supplying with is stored into a plurality of ice makings district of division, accepts cold air and carries out ice making, and the ice that is generated simultaneously can leave this ice-making disc; The 1st ice generating portion by opening, is located at the ice making district that marks off at above-mentioned open surface in above-mentioned ice-making disc, accept cold air and promote ice making; The 2nd ice generating portion is located at the below in above-mentioned ice making district, ices the water that is communicated with above-mentioned supply between the generating portion via opening portion with the above-mentioned the 1st, and above-mentioned the 1st ice generating portion is compared to reduce and accepted the influence of cold air and make ice making slack-off; Above-mentioned the 2nd ice generating portion forms above-mentioned opening portion and the 2nd inner area that equates of ice generating portion or the area wideer than this inside, thereby ice that should inside is unrestricted to the extension of above-mentioned open surface.
Ice maker of the present invention comprises ice-making disc, the 1st ice generating portion, the 2nd ice generating portion, reaches the ice that is generated by the 2nd ice generating portion; A plurality of ice makings district that this ice-making disc is stored into the water of supplying with division respectively accepts cold air and carries out ice making, and applies mechanical force the ice of generation is left; The 1st ice generating portion is located at the ice making district that marks off in ice-making disc, accept cold air and promote ice making; The 2nd ice generating portion is wholely set with the 1st ice generating portion, is communicated with the 1st ice generating portion and the water supplied with also is connected via opening portion, ices generating portion and compares reduction and accept the influence of cold air and make ice making slack-off with the 1st; Should conjointly form by opening portion and the ice that generates by the 1st ice generating portion by the ice that the 2nd ice generating portion generates; Opening portion forms can accept the size and dimension that mechanical force is cut off near the ice of opening portion.
Ice maker of the present invention comprises ice-making disc, the 1st ice generating portion, reaches the 2nd ice generating portion; A plurality of ice makings district that this ice-making disc is stored into the water of supplying with division respectively accepts cold air and carries out ice making, and applies twisting resistance the ice of generation is left; The 1st ice generating portion is located at the ice making district that marks off in ice-making disc, accept cold air and promote ice making; The 2nd ice generating portion is located at the ice making district, and the 1st ice generating portion is communicated with and the water supplied with also is connected via opening portion, compare to reduce with the 1st ice generating portion and accept the influence of cold air and to make ice making slack-off, and form make generation ice than the more difficult size and dimension of the 1st ice generating portion from the ice-making disc separation; Ice-making disc is accepted twisting resistance, and near the ice that is generated by the 1st ice generating portion that cuts off opening portion leaves.
Ice maker of the present invention comprises ice-making disc, the 1st ice generating portion, the 2nd ice generating portion, reaches the ice that is generated by the 2nd ice generating portion; A plurality of ice makings district that this ice-making disc is stored into the water of supplying with division respectively accepts cold air and carries out ice making, and the ice of generation is left; The 1st ice generating portion is located at the ice making district that marks off in ice-making disc, accept cold air and promote ice making; The 2nd ice generating portion is located at the below in ice making district, is communicated with the 1st ice generating portion and the water supplied with also is connected via opening portion, ices generating portion and compares reduction and accept the influence of cold air and make ice making slack-off with the 1st; Should conjointly form by opening portion and the ice that generates by the 1st ice generating portion by the ice that the 2nd ice generating portion generates; The 1st ice generating portion is open at the open surface of ice-making disc, and the 2nd ice generating portion can be open towards the opening portion expansion ground that is communicated with the 1st ice generating portion.
Ice making method of the present invention comprises from the top of the ice-making disc that is disposed at ice-making compartment winding-up cold air, promotes open ice-making disc upper surface and the step of the ice making of the 1st ice generating portion that is provided with, to the below of being located at the 1st ice generating portion and the 2nd ice generating portion that is communicated with the 1st ice generating portion heats and make ice making ice the slow step of generating portion than the 1st, make heating stop the step of back ice making according to the generation state of ice, and ice-making disc is applied twisting resistance, is breaking at the ice of the 2nd ice generating portion and the step of the ice that generates in the 1st ice generating portion in the 1st ice generating portion.
Description of drawings
Fig. 1 is the front cross-sectional view of the family expenses deep freezer of the ice maker of suitable form of implementation 1 of the present invention.
Fig. 2 is the key diagram of the ice-making disc of the invention process form 1.
Fig. 3 is the top figure of the ice maker of the invention process form 1.
Fig. 4 is the cross-sectional view of the ice maker of the invention process form 1.
Fig. 5 is the cross-sectional view of another ice maker of the invention process form 1.
Fig. 6 is the side cross-sectional view of another ice maker of the invention process form 1.
Fig. 7 is the cross-sectional view of another ice maker of the invention process form 1.
Fig. 8 is the cross-sectional view of another ice maker of the invention process form 1.
Fig. 9 is the ground plan of the ice maker of the invention process form 1.
Figure 10 is the key diagram of flow process of the ice making operation of the invention process form 1.
Figure 11 is the sequential chart of the ice making operation of explanation the invention process form 1.
Figure 12 is the figure of an example of the ice making experimental result of explanation the invention process form 1.
Figure 13 is the figure of an example of the ice making experimental result of explanation the invention process form 1.
Figure 14 is the figure of the flow process of the ice making operation of explanation the invention process form 1.
Figure 15 is the sequential chart of the ice making operation of the invention process form 1.
The specific embodiment
Form of implementation 1
According to Fig. 1~Fig. 5 form of implementation 1 of the present invention is described below.
Fig. 1 is the front cross-sectional view of the family expenses deep freezer of suitable ice maker of the present invention, and the state of the occasion of removing positive door is described.Fig. 2 (a) is the side cross-sectional view of ice-making disc of the present invention, (b) is the top figure of ice maker, and Fig. 3 is the top figure of ice maker, and Fig. 4,5 is the cross section of ice maker of the present invention.
Deep freezer main body 1 by outer container 2, interior case 3, and filling constitute in the heat-insulating material 4 of 3 in outer container 2 and interior case, a plurality of subregions of food are accommodated in setting, have the refrigerating chamber 6 that is arranged at ice-making compartment 5 tops, the vegetable compartment 7 that is arranged at ice-making compartment 5 bottoms, can utilize the not shown operation panel of the door of being located at deep freezer main body 1 to come the switching chamber 8 of any design temperature and refrigerating chamber 9 etc. by the user, by the filling of dividing and form each chamber the partition wall 10 of heat-insulating material 4 separate.In Fig. 1, illustrated ice storage case 21 and ice-making disc 11 are contained in example in the identical ice-making compartment 5, but also it can be located at other chamber.In addition, above-mentioned not shown operation panel can be selected the adjustment and the operational mode of each chamber of refrigerator by the user, or shows the temperature and the operational mode untill further notice user of each chamber at that time.
The ice-making disc 11 that is recorded in Fig. 2, Fig. 3 etc. is arranged in the ice-making compartment 5, be the moulding product that constitute by resin materials such as polypropylene, top opening, its inboard is divided into a plurality of ice makings district that forms concavity, such shown in Fig. 2 (a) air stream (b), acceptance is jetted to generating ice as the cold air of the open surface above the ice-making disc 11 and from top by pressure fan from the refrigerator wall, and the Quilt with air conditioning above the cooling is recycled to the bottom, is inhaled into the refrigerator wall once more.Wall between the ice making district of adjacency is as shown in Figure 3 connected by grooving, and this grooving is used to make the water of supply to be easy to flow into to be located at by inboard each district that is provided with of dish.In addition, water supply piping 13 is set as shown in Figure 1, the supply flume 12 that this water supply piping 13 makes water supply to the water of this ice-making disc 11 from storage flows to ice-making disc 11, though it is not shown, but in fact be provided for preventing the heater that freezes in the outlet of this water supply piping 13, according to the magnetic valve that opens and closes water supply piping from the indication of control device, supply with a certain amount of water to ice-making disc 11.At support 16 drive unit 15 is set, is provided with bolster 14 to the ice-making disc 11 of Fig. 2 in this drive unit 15 and carries out the motor of rotating drive and reduction gearing etc.One end of bolster 14 is communicated with the support 16 of supporting ice-making disc 11, the other end is connected in above-mentioned drive unit 15, from ice the time, carry out it and drive, also be provided with the counter-rotating of restriction ice-making disc 11 when ice-making disc 11 is reversed and apply the stop dog component 17 that the twisting resistance promotion deices at support 16.Ice-making disc is being applied when reversing, drive unit rotates bolster, even ice-making disc is stopped by stop dog component 17, also further rotates for example 45 ° around bolster, reverses thereby apply in ice-making disc, in stop dog component side and drive unit side ice-making disc is out of shape.
For example ice-making disc 11 bottoms are installed by temperature sensor 18 shown in Figure 4 water base that can confirm ice-making disc 11 such position of freezing, this temperature sensor 18 is made of thermistor and the heat-insulating material that makes cold air not be located at the thermistor bottom with directly not touching thermistor.The bossing 20 of groove shape is set projectedly towards the below, and this bossing 20 is shaped integratedly with the opening portion 19 of being located at ice-making disc 11 bottom surfaces, is connected to ice-making disc 11 by opening portion 19, is used to store the water of supply.This bossing 20 is provided with in a plurality of ice makings district on the top of being divided each, also has ice that reception leaves from ice-making disc 11 counter-rotatings and to its ice storage case 21 that stores below ice maker.The subregion of the such ice making of ice-making disc promptly the 2nd is iced generating portion and is constituted than the bossing 20 of the groove shape of its much less by a plurality of the 1st ice generating portion and internal capacities as ice making district part on top.
Though it is not shown, but have in deep freezer main body 1 cold-producing medium is carried out compressor for compressing, cold-producing medium is carried out the capillary of throttling, the heat of the cold-producing medium of gaseous state is released to refrigerator makes its condenser condensing outward, the cold and hot cooler that air in the case is cooled off that liquid cold-producing medium gasification is obtained, freeze cycle such as cooler, cold air is delivered to the breather pipe and the pressure fan of each chamber by this cooler, regulate the apparatus for cold air circulation such as baffle plate of the cold air supply of each chamber, and the control substrate equal controller of each equipment action of control refrigerator.By these unit feeding cold air, make the variations in temperature of each chamber in the refrigerator, remain on the control of predetermined temperature, defrosting or ice making, illumination etc.
Below, the example of operation of the ice making action of present embodiment is described according to Fig. 2~Fig. 5.At first, supply water to the part of ice-making disc 11 by water supply piping 13, supply water to each ice making district by grooving from supply flume 12.At this moment, by opening portion 19 water is also supplied to bossing 20.Grooving also can not make the water capacity easily flow into bossing 20 ground and be located at the position that is connected in series with opening portion 19.In addition, have a plurality of occasions, also can be connected in series the wall of ground between 1 ice making district with each opening portion 19 and have a plurality of groovings at opening portion 19.
In accompanying drawing of the present invention and explanation, by to each district below by the flute profile of elongation vertically a plurality of bossings 20 are set example be illustrated, this is to be easy to make ice-making disc to reverse in order to make from ice the time, do not make the torque of motor and produce big difference in the past, when ice-making disc is reversed, bossing 20 is limited in this radius of gyration, do not increase the size of ice maker integral body, position and size as this bossing, shape, directions etc. are for being easy to reverse the position of ice-making disc, size, shape, direction etc., can be limited in the radius of gyration, it is too many to be no more than this radius of gyration, then also can for example be the continuous such bossing of groove of circle certainly, or each district is not provided with but is connected in a plurality of districts, or the peristome structure that grades is set at the inner side surface of ice-making disc.In addition, when increasing the internal capacity of the 2nd ice generating portion too much, the generation of transparency ice is very time-consuming, and in addition, the energy quantitative change of use is big.On the other hand, when the internal capacity of the 2nd ice generating portion is too small, only can obtain the ice that transparency descends.When hope time of practicality for example 3.5 hours with interior when not increasing too many energy ground and generating transparency ice, the bossing internal capacity be preferably ice-making disc from about 10~20% of the internal capacity of ice.
Opening portion 19 forms the shape of extending along the mobile at least one direction of water.Maximum length is the ice making section length that respectively forms 1 ice of ice-making disc 11.The surface tension that can overcome water thus allows water to flow into bossing 20.Other direction need be the shape than its weak point.For example, be preferably the width of 2~3mm at 5mm or below it.Like this, behind the finishing ice-making, utilize by drive unit 15 and stop dog component 17 be applied to ice-making disc 11 be used near opening portion 19, make ice disrumpent feelings from the twisting resistance of ice.That is, bossing 20 is maximum but be elongated shape by making as the area of the opening portion 19 of its inlet, thereby smooth water supply and the cut-out when the ice all are fit to.The simplest shape that can imagine as such opening portion shape for example is rectangle and ellipse etc., but as long as water positively enters and ice can be disrumpent feelings near opening portion 19 when ice when opening portion 19 supplies water, then also can be other Any shape.
In addition, bossing 20 is for fear of forming the shape that do not have superfine part, selecting to get final product from direction, position, shape when the fashionable difficult gathering bubble of current in such shape such as the position of ponding cover upper cover, in this occasion, also can be laterally, there is not other restriction element.In addition, its degree of depth is too for being difficult for assembling the height of bubble.As be in this condition, then bossing 20 can be not be the shape of extruding opening portion 19 towards opening portion 19 vertical direction and the shape of size yet, but for along with leave the shape of dwindling or enlarging from opening portion 19.In addition, the bossing bottom surface does not need one to be decided to be the plane, can be to make water successfully enter into such shape that bossing 20 ground form for example del of circular-arc or inclination yet.In addition, bossing 20 is considered from the easiness on making, is recited as respectively independently shape, but as the shape that current are easy to flow, also can takes to connect the shape of any number.Near opening portion, be easy to the shape of the opening that cuts off because the shape of reversing at the two ends of axle for bolster, so, be preferably along the parallel elongated opening of axle so that ice disrumpent feelingsly do not need unnecessary power.But the shape of opening is even be wavy or ㄑ word shape, as long as the edge axle slenderly is provided with, in addition, even for the continuous Any shape such as elongated shape of circle, as long as power does not increase, then less to the influence of drive unit except for the straight rectangle of diagram.
Though the ice-making disc bottom surface is recited as the plane, be not limited thereto, can make as shown in Figure 5 the face of trying to get to the heart of a matter crooked or for the V font or only around the bossing with arbitrary shapes such as recess bendings.By forming such shape, the thickness of ice looks increase, so, even also can obtain to appear as the effect of big ice for the ice of same volume.
The water that freezes to supply with at ice-making compartment 5.Generally begin to freeze from the face that is exposed to the low temperature part.At this moment, ice only forms crystal by hydrone, is dissolved in material (mineralogical composition and the O such as Ca of water 2, CO 2Etc. gas componant) be released to fully crystal outer do not freeze part.At this moment, about 5mm/ hour or its following freezing speed enough slow, so, in the incipient stage, dissolved substances is diffused into soon than freezing speed does not freeze part, generates transparent ice, after this, reach oversaturated gas componant and assemble morely, be formed on irreflexive one or more air pockets that suppressed light to a certain degree, can generate the glass that the has bubble ice of good appearance such, that obtained transparency not have the projecting point of the ice that influences.District to each ice-making disc generates transparent ice by such process.
Carrying out this when freezing, making freezing speed be lower than diffusion velocity ground cool-air feed from ice-making disc 11 above, flowing through ice storage case 21, the ice-making disc 11 space rolling between following by the side and the gap of support 16 of ice-making disc 11.At this moment, top with lower than following surface temperature, that wind speed the is high air of ice-making disc 11 contacts, so, freezing mainly to advance from the face of facing down of ice-making disc 11, the material that is dissolved in the water is the diffusions of ice-making disc 11 bottoms towards not freezing part basically.When freezing further to carry out, only bossing 20 becomes and do not freeze part, forms transparent ice in ice-making disc 11, and is last, and bossing 20 freezes by comprising nearly all form gonorrhoea ground that is dissolved in the material of water, finishes ice making.
In this process, the volume of ice increases about 10%.Therefore, when open space that the ice of the volume that does not have to allow to increase stretches, the pressure of possible volumetric expansion makes the ice-making disc breakage.As the ice-making disc of prior art example, in the structure of partition wall being located in the ice-making disc,, make the ice-making disc breakage thus at wall functions pressure.In the present invention, ice can stretch the amount suitable with volumetric expansion towards the open space above the ice-making disc 11 in ice-making disc 11 and bossing 20, so ice-making disc 11 and bossing 20 are applied in the power with common ice-making disc same degree, there is not damaged danger.That is, be that the expansion of relative ice not open the lid of its restriction as the opening and the relation of the internal capacity of bossing of opening portion 19, area and direction do not limit the extension of court's open space on ice, so, can obtain the device of high reliability.
In order to carry out such action effectively, need bossing 20 be set freezing the slowest position.For example when ice making speed all equates often in any position on frozen water plane, bossing also can be arranged at the position arbitrarily of bottom surface, but for example in the ice-making disc side, center on the ice-making disc outside more as cold air, cooling is carried out quickly, then need at least 1 bossing 20 be set in the inboard of ice-making disc 11 bottom surfaces.The number and the configuration of bossing 20 are not particularly limited.In addition, here, opening portion 19 and bossing 20 are put down in writing with being arranged at ice-making disc 11 bottom surfaces, but also can be arranged at ice-making disc 11 sides.
Bossing 20 has in order to assemble the needed volume of dissolved substances by the degree of the transparency that does not influence the ice that is formed at ice-making disc 11.Though its volume is difference with ice making speed, as ice making time be about 1 hour about 60% for volume then, as the ice making time be about 3 hours, then be about 10%, as the ice making time be 3.5 hours, then be about 5%.When the ice making in about 1 hour to 3 hours, generate practical to transparency ice as the food of domestic refrigerator.That is, as when the short time generates, transparency is insufficient, and the time is when oversize, promptly Bing formation speed be 2mm/ hour such when long-time, though can obtain more transparent ice, need the quantity not sufficient of the transparency ice that generates in the refrigerator.The water yield of this and ice making also has relation, so, preferably will at least 3.5 hours generate transparency ice as the ice making cycle period with interior.
When finishing ice-making, carry out from ice.The state of the water that when ice storage case 21 is freezed, dropped to the moment of ice fully for the ice that leaves from ice-making disc 11, does not all fall from ice-making disc 11 and bossing 20.As this state possibility, then can residually not freeze part in ice-making disc 11 or bossing 20 yet.
The moment of transferring to from ice is that temperature sensor 18 reaches the moment that can confirm a certain temperature of finishing ice-making in advance.But, this moment also can be supply water beginning or the back temperature sensor 18 that supplies water detect predefined temperature waits constantly with any action in the refrigerator be scheduled time of calculating of basic point through the moment later, also can according to and use temperature and time both sides' action to determine.Detect constantly according to this, as explained above, be added near the reversing and make ice disrumpent feelings opening portion 19 from ice of ice-making disc 11 by drive unit 15 and stop dog component 17.
At this moment, must reach predetermined temperature around the bossing 20 or below it.The peripheral part that predetermined temperature is preferably the ice that can avoid bossing 20 melts, the ice of bossing 20 is with the state of the ice that is connected in ice-making disc 11 higher limit from the humidity province of the possibility of ice.
In addition, the ice of ice-making disc 11 needs not disrumpent feelings and specification that fall rapidly beyond opening portion 19 after the side of opening portion 19 is disrumpent feelings.At first, the side of ice-making disc 11 from the bottom surface toward the top outwardly side have enough angles of inclination.Specifically, preferably the relative vertical direction in angle of inclination that at least simultaneously for example makes ice-making disc 11 carry out near the face the highest position of the residual ice in ice action back by drive unit 15 and stop dog component 17 of side has 10 ° or the angle of inclination more than it at least.In addition, successfully fall, the angle of inclination of ice-making disc side is increased in order to make the ice that leaves from ice-making disc, and for the ice that makes dish inside, side is Min. with the friction of ice-making disc, by having carried out the metal pattern shaping that mould grinds fully.Specifically, when making the mould degree of grinding reach transparent plastic product degree (#2000) to from ice favourable.And, in the occasion of obtaining the such structure of this ice-making disc, torque when icing torque and from the ice-making disc that now generally is used for automatic ice-making ice being left is basic identical, so, needn't need the occasion of high torqueization to append new parts etc. like that in the ice-making disc shown in the prior art example, size constancyization, and manufacturing expense does not rise.
In addition, obtain wideer area, thereby can promote cooling velocity to compare effect faster with the ice-making disc below by the top that makes ice-making disc 11 as described above.
When reversing from ice when making the counter-rotating of such ice-making disc, the specification that the ice that needs to adopt the inner face side at bossing 20 to generate does not fall.At first, the side of bossing 20 from the bottom surface toward the top outwardly side have necessary MIN angle of inclination (for example 10 ° or the angle below it).Though necessary MIN angle of inclination represents by can not getting ice from the ice action, when will be to by ice-making disc 11, opening portion 19, when reaching member that bossing 20 constitutes and forming, be in the such angular range that positively to extract from mould.Like this, bigger as the angle of the side of ice-making disc inner surface than the angle of the side of bossing inboard, in other words, make the side angle of bossing side littler than the side angle of ice-making disc side.The difference of this angle can realize by the angle that changes metal pattern, also can realize by the lapping mode that changes the part suitable with the side of metal pattern.
In addition, bossing 20 inside are not ground.As described above, supplying with the occasion that water is easier to flow into bossing 20 and wish to form in the side big inclination,, staying in the bossing 20 thereby can more positively will make to ice by further making rough surface in order to make.
In addition, the arbitrarily height of the height of bossing 20 for not extracting from when ice ice need be limited in by the height in the radius of the rotary motion trace of the position regulation of ice-making disc 11 width largest portions and bolster 14 interior for the thickness that comprises member.Though the also comparable ice-making disc 11 width largest portions of the height of bossing 20 are long, press the radius of the height setting rotary motion trace of bossing 20, but in this occasion, must change the width of support 16 etc., make ice-making disc 11 in the ice-making compartment 5, opening portion 19, and the structural change of the component part of bossing 20, for this reason, as adopting the more occasion of inexpensive method of manufacturing, preferably as described above the limitation in height of opening portion 19 is being in by the height in the radius of the rotary motion trace of ice-making disc 11 width largest portions regulation.
In addition, as described above, the number of bossing 20 does not limit.For this reason, though also can be set to bolster 14 at a distance of nearer position and position far away, this moment near the occasion of bolster 14 certainly from the bottom surface of ice-making disc 11 to the distance of rotary motion trace.Therefore, long near the comparable bossing 20 of the bossing 20 of the position of bolster 14 from bolster 14 position far away.Like this, the occasion of not only carrying out but also also carrying out gradually from the side on ice-making disc 11 in ice making can go into to be frozen into bossing 20 with the water seal that comprises more substantial dissolved substances, is easy to form the gonorrhoea part.
Should after the ice action, supply water, enter into the ice making operation of next circulation, but gradually melt the ice that residues in bossing 20 in by the water of supplying with this moment.Melt do not occur over just the ice that residues in bossing 20 above, and water progresses into from the side and makes its thawing, so, in the time of at the bottom of water fully is transferred to bossing, residue in the floating of bossing 20 on ice, mix while melt by the water that is stored in ice-making disc 11.At this moment, as the surface that is stored in the water of ice-making disc 11 not exclusively freezes, and then gas componant is emitted from the water surface, and for this reason, the gonorrhoea composition can not increase considerably in next ice making operation.
Clear and definite for the transparent feel that makes the ice that is stored in ice storage case 21, also can make ice storage case 21 inner, or shine blue led etc. for the transparency of ice is significantly matched colors, setting is environment such as the color matching of degree of showing transparency and brightness effectively.
In addition, during the 1st ice making after refrigerator when beginning operation and ice-making disc cleaning, promptly there are not the occasion of water or ice and occasion in addition,, can make the suitable amount of volume of supplying with water yield minimizing and bossing 20 yet the latter in order to supply with the ice of same size often at bossing 20.
In the above description, illustrated from the method for ice-making disc 11 tops cooling, but the following describes near the formation that bossing, has heating units such as heater.Like this, the material that forms the gonorrhoea part positively can be driven to bossing, can generate transparency ice, the time in the time of can shortening the water supply behind ice before in the storage water that floats to ice-making disc 11 on ice of bossing 20 in ice-making disc.Following according to Fig. 6~Figure 13 explanation.In the following description, omit explanation about the part that equates with the explanation of front.
Fig. 6 is the key diagram of ice maker of the present invention, (a) be side cross-sectional view, (b) be top figure, Fig. 7,8 is the cross-sectional view of ice-making disc of the present invention, Fig. 9 is arranged at the figure of the heater under the ice-making disc for watch ice-making disc of the present invention, perspective from above, Figure 10 is the flow chart of ice making operation of the present invention, and Figure 11 is the sequential chart of ice making operation of the present invention, and Figure 12,13 is an example of ice making experimental result of the present invention.
To cover the downside that heater 22 that the heater of nichrome wire etc. obtains is located at ice-making disc 11 by silicone rubber etc., and as shown in Figure 9, closely be contacted with bossing 20 ground that each the ice making district to ice-making disc 11 is provided with and be provided with.Heater 22 need by have the cold resistance of also not splitting at low temperatures and have can follow the flexibility of reversing from the ice-making disc in when ice member for example silicone material etc. form.In addition, for heater is set as far as possible compactly, be maximum as shown in Figure 9 also for the like that very short length of the side periphery degree of ice-making disc 11, even be heat generation density height also stay-in-grade member even need.But, ice-making compartment 5 insufficient coolings of this heater, even under the sky burning state that does not supply water, do not make all material distortion of the deep freezer main body 1 that comprises ice-making disc 11 yet and break down, form double hyer insulation etc., also have enough reliabilities at the safety face.For the heating main body of the heater that is installed on ice-making disc, owing to may contact this ice-making disc or be soaked in water,, and be double hyer insulation so heating parts such as metal covering do not expose by the people, have security.
When making this heater 22 closely be contacted with the bottom surface of ice-making disc 11, this part has freezing speed and bossing 20 is similarly slack-off, form gonorrhoea possibility partly.But when unnecessarily excessively leaving, may also freeze from the bottom surface of ice-making disc 11, opening portion 19 is blocked, forms the many ice of gonorrhoea part in ice-making disc 11.For fear of this problem, need adopt the heat of supplying with structure to be set in the bottom surface of ice-making disc 11 than such heater that the heat that supplies to bossing 20 lacks.This for example adopt like that shown in Fig. 7,8 make heater 22 closely be contacted with the side of bossing 20, from leaving the structure of (for example leaving about 2~5mm) slightly as ice-making disc 11 bottom surfaces of the 1st ice generating portion.
In addition, for easier, obtain the position that is provided with reliably as the heater 22 of heating unit, in hope heater 22 is contacted with the occasion that ice-making disc 11 bottom surfaces ground is provided with, also can have a mind to towards with the heater of the lining inside of the opposite lateral deviation ground shaping heater 22 with the bottom surface of ice-making disc 11.In addition, also can be thick at the position increase dish that joins with heater 22 of the bottom surface of ice-making disc 11, or heat-insulating material is set in ice-making disc 11 and 22 of heaters.
Though be that 2 occasion is clamped into therebetween and is provided with at bossing 20 as described above, also can be set to bossing 20 bottom surfaces (Fig. 8 (a)) with the distance of ice-making disc 11 bottom surfaces in order to keep clearly.In addition, also can make the setting of heater 22 easily cover bossing 20 (Fig. 8 (b)) integrally is set.In a word, wish most to make the position of freezing to postpone, then can be any position that is provided with as heat being supplied to effectively.
Clearly, this heater 22 also needs to be arranged in the rotary motion trace when ice.As the method to set up of heater 22, not only have to be clamped into the method that a plurality of bossings 20 ground are provided with, and, also can baffle plate be set abreast with bossing 20 in the occasion that 1 bossing 20 is only arranged, be clamped into therebetween.In addition, also can cover bossing 20 and heater 22, heat is delivered to bossing 20 expeditiously integrally be provided with by the material of high-termal conductivity such as aluminium strip.In addition, the hook fixture construction that falls that can prevent heater 22 also can be set.In addition, this hook fixture construction also can cover integrally formed with being provided with of temperature sensor 18.
In the above description, illustrated that heater 22 is 1 a occasion, but from the amount of cooling water above the ice-making disc 11 to occasions such as the way of contact difference of the big for example cold wind of each ice making district position difference are bigger, a plurality of heaters 22 also can be set, different inputs is provided.In addition,,, then also can closely not be contacted with bossing 20, also can be in the position of leaving as long as can obtain and the above-mentioned heat-transfer effect that all equates though heater 22 has been put down in writing the occasion that closely contacts with bossing 20.In addition, as cover by heat-insulating material heater around, the major part of the heat that this heating unit is taken place only is delivered to the 2nd ice generating portion as bossing 20, then can heat expeditiously.
Though above-mentioned such heater that is provided with 22 also can be switched on continuously, by shown in Figure 10,11 like that during energising after the water supply is certain, outage then, the energy that can reduce to use even improve ice making speed, also can obtain the ice of the high grade of transparency.
Comprise the ice making action of the control action of heater 22 by the explanation of control method shown in Figure 10,11.In step 1, water supply is switched on magnetic valve, make supply-water pump action certain hour, the water yield of stipulating is supplied to ice-making disc 11.After just finishing the water supply of being undertaken by step 1, switch on to heater 22 by step 22 beginning.Like this, be located at bossing and residual ice in last circulation and melted by the supply of water and heating, impurity etc. are diffused into ice-making disc integral body with bubble, and a part is emitted from open surface.In step 3, the output of temperature sensor 18 reach according to wait by experiment obtain, with ice-making disc 11 in water freeze carry out a certain amount of energising before predetermined temperature Ta that relevant a certain value sets for example spends low temperature than-1.In step 4 heater is cut off the power supply after reaching predetermined temperature T a.At this moment, form transparency ice, but the water of bossing 20 also is the residual state that does not freeze part in ice-making disc 11.Stop heating by heater 22 outages, thereby the part of not freezing in the bossing 20 is freezed hastily.This is owing to do not supply with heat to bossing 20, exposes to the open air in the cold air of ice-making compartment 5 environment that form refrigerator.
In step 5, when the output of judging temperature sensor 18 reach according to waits by experiment obtain, with bossing 20 in water freeze the predetermined temperature Tb of certain relevant value setting the time, transfer to from step 6 begin from icing operation.Making from ice in step 6 is just changeing with drive unit 15, makes ice-making disc 11 counter-rotating, before step 7 elapsed time tr, continues to move towards positive veer.At this moment, an end of ice-making disc 11 is pushed to stop dog component 17, and dish is reversed, and by by reversing the stress that is applied to opening portion 19 ice-making disc 11 and the ice of bossing 20 being disconnected, the ice of ice-making disc 11 drops to ice storage case 21.In step 8, drive unit 15 counter-rotatings make ice-making disc 11 rotate towards original position, in step 9, continue the action towards reverse directions before elapsed time tr, and in step 10, ice-making disc 11 turns back to original position, and drive unit 15 stops.When being somebody's turn to do from ice, the ice in the bossing 20 is still residual.In step 11, detect whether completely ice of ice storage case 21, carry out this water supply, ice making, be the ice making operation of 1 circulation from the operation of ice, before full ice, turn back to step 1, carry out the ice making actuation cycle repeatedly.
Figure 12 illustrates the example based on the experimental result of above-mentioned control.Transverse axis is the ice making time, and the longitudinal axis is the transparency of ice.For example obtain the occasion of transparency 95% or the ice more than it in hope, the best ice making time was about about 2.5~3.5 hours.The ice making time ratio should the zone early the time, is the little occasion of the energising amount of heater 22 or the too early occasion of the moment of heater 22 outages.In addition, the ice making time ratio should the zone during evening, is the moment occasion in evening excessively of big occasion of the energising amount of heater 22 or heater 22 outages.In addition, having changed the occasion of supplying with the water yield, for the water yield still less, like that, the ice making time that is used to obtain same transparency in advance shown in 1 chain-dotted line; Under the more water yield, such as indicated by dashed line, be used to obtain the ice making time retardation of same transparency.Even, can set temperature T a higher, or reduce the energising amount in the low slightly occasion of also wishing to expire earlier ice of transparency.In the occasion that does not need a large amount of transparency ices, can set design temperature Ta lower, or increase the energising amount, and increase the water yield.
The ability of heater 22 determines according to cooling capacity.Increase as cooling capacity, then the ability of heater 22 also needs to select the value that increases pro rata.But then need make the ice that are stored in ice storage case 21 in can by from the width of cloth of heater 22 penetrate heat not melt as at ice-making compartment 5 ice storage case 21 being set this moment.Figure 13 has the material of a certain thermal capacity, watches the result of the variations in temperature at its center for placement in the ice storage case.Before and after heater 22 energising beginnings, temperature does not have big variation, during heater 22 energisings, does not significantly heat up yet.Therefore, in ice-making compartment 5 structures of common domestic refrigerator, consider the ice in the ice storage case 21 not to be produced basically the structure of heat affecting.
In addition, though with the energising of heater 22 be made as constantly just finished water supply after, but as do not begin switched on to zero hour between freezing period for being in the water that flow into behind the bossing 20, then can be any moment, for example, also can with supply water beginning simultaneously, or when reaching predetermined temperature, or pass through moment etc. of the scheduled time constantly from these by temperature sensor 18 detected temperature.
About stopping too to the power-cut time of the heater 22 of the heating of bossing 20, even beyond when reaching predetermined temperature by temperature sensor 18 detected temperature, as long as for to freeze at water base that supplies to ice-making disc 11, the moment that the bossing 20 residual more states that do not freeze part can cut off the power supply down, just can be any moment, for example, also can from energising zero hour of above-mentioned heater 22 through after the scheduled time or from energising zero hour of above-mentioned heater 22 when reaching predetermined temperature by temperature sensor 18 detected temperature after the scheduled time etc.
In addition, be certain though make the energising amount of the heater 22 in the ice process, it is at random changed.For example, along with the compressor operating of refrigerator and the increase and decrease of the amount of cooling water of generations such as stopping make the energising amount increase and decrease of heater 22, thereby can not accelerate ice making speed, the consumption electric power amount when reducing ice making simultaneously to transparency with exerting an influence.In addition, not to the defrosting of ice-making disc winding-up cold air the time, reduce energising amount or outage, also can transparency not accelerated ice making speed with exerting an influence, and the consumption electric power amount during the minimizing ice making.
Below, the cleaning method of ice-making disc is described.The number of times of the not shown control substrate storage ice making that refrigerator has.Then, when arriving predefined predetermined times, by methods such as LED flashes suggestion user is cleaned.The user for example presses the cleaning switch that is arranged on the not shown operation platelet and makes sweeper mode work.Be provided with such mechanism, this mechanism begins the energising to heater 22, melts the ice in the bossing 20, after this, makes the ice-making disc counter-rotating and draining.Like this, even also can be removed in the bossing 20 residual mineralogical compositions of supplying with in the water that are contained in, so, whenever all obtain transparency ice cleanly.This drainage mechanism is as long as store the draining of outflow in the bossing 20 when making just the changeing of ice-making disc counter-rotating, mechanism is simple, does not increase size.In addition, also can supply water in order to promote to melt.Also can repeatedly supply water and the action of draining, advance and improve the cleaning effect on one.
In addition, as other cleaning method, when making sweeper mode work, also can behind the finishing ice-making, heater 22 be switched on to ice-making disc 11 water supply, ice making by the time around the ice that only can melt bossing 20, after this, make the ice-making disc counter-rotating, be formed at ice-making disc 11 and discharge with the state that links to each other, thereby remove the mineralogical composition that remains in bossing 20 with the ice of bossing 20.
In addition, in deep freezer main body 1 switch that can be selected common ice making and transparent ice making by the user is set, when selecting common ice making, the action of heater 22 stops, switch to by the predefined time and carry out the ice making action, so, can consume the electric power amount by user's wish saving.
Refrigerator of the present invention is such ice maker, this ice maker be divided into that a plurality of ice makings district stores water and the ice-making disc of the monolayer constructions will of ice making in, lift-launch is provided with the ice-making disc of a plurality of ice generating portions to each above-mentioned ice making district, the transparent part of ice is partly separated with gonorrhoea, can provide transparent ice to the user.Like this, can not obtain transparency ice by not increasing energy ground basically with the structure of the ice maker same degree of the refrigerator of being located at prior art and size.Be manufactured on integratedly and store a part that water carries out the ice-making disc of ice making and the 1st ice generating portion in hole is set and has the 2nd ice generating portion with the identical shaped opening portion in the hole of being located at the 1st ice generating portion, the shaping of the ice-making disc of such monolayer constructions will is by being shaped the die cavity between resin injection to 2 metal pattern of fusion, thereby can make the structure that ice-making disc and bossing are formed as one in the short time by simple manufacturing installation.And, make the 1st of ice-making disc ice the dish inner surface of generating portion makes the wall suitable with the inboard of the metal pattern suitable with top ice-making disc glossily than the inner surface of the dish of above-mentioned the 2nd ice generating portion smooth surface, the inboard suitable wall with following bossing is not ground, directly use.
Ice-making disc inner side surface of the present invention and bossing inner side surface from following side towards upper face side inclination outward oblique, as the relative vertical direction in the angle of inclination from following side towards upper face side of dish side of the 1st ice generating portion of ice-making disc form than from side below the dish side of the 2nd ice generating portion of bossing towards the big angle in the angle of inclination of upper face side, thereby be easy to from ice-making disc ice be left, the ice of bossing can not leave simply.In this occasion, in the 1st ice generating portion, though the ice-making disc side is made by wide-angle tilt toward the outside from following side towards upper face side to be easy to from ice, but reverse owing to apply, so, according to this windup-degree decision, so, as long as ice cube is easy to extract, be difficult for extracting from following bossing from top ice-making disc.
Near icing the heating unit of generating portion as the 2nd of bossing, preferably cooling unit cools off the face relative with heating unit at least with respect to of the present invention.This heating unit is preferably far away from the 1st ice generating portion.
Below, illustrate drink on the rocks or add water after the manufacture method of the good big transparency ice (than the big transparency ice of size of the common ice that obtains by common ice making) of the outward appearance that is required of the occasion etc. of whiskey.In this form of implementation so that can change the output that is sent to ice-making disc 11, the ice that obtains to satisfy user's size is purpose.Figure 14 is the figure of the flow process of the ice making operation of the refrigerator of explanation expression the invention process form 1, and Figure 15 is the sequential chart of the ice making operation of the occasion that can change output.
Below, explanation comprises the ice making action of the control action of heater 22 and supply-water pump 23 with reference to the accompanying drawings.In this form of implementation, the for example unshowned in the drawings operation panel setting of being located at refrigerator main body front or side or chamber interior wall etc. can be selected the ice-make mode switching push button of transparency ice, the user switches to transparency ice with this ice-make mode switching push button, or not for switching push button but be provided with the occasion of transparency ice selector button, press transparency ice ammonium button etc., judge whether selected transparent ice-make mode by step 31, carry out the adjusting of output.
In the occasion of selecting the transparency ice pattern by step 31, press supply-water pump driving time t1 in step 32 by not shown control device and drive supply-water pump 23, supply water to ice-making disc 11, this supply-water pump driving time t1 is pre-set in this control device by accept the transparency ice fabrication order in step 31.In the occasion of non-selected transparent ice-make mode, press supply-water pump driving time t2 in step 33 and drive supply-water pump 23, supply water to ice-making disc 11, this supply-water pump driving time t2 is pre-set in not shown control device.At this moment, the driving time t1 of pump is the time longer than driving time t2, for example can be set at t1=10 second, about t1/t2=1.1~3 such as t2=7 second.That is, judge ice-make mode,, change the size of ice by step 32,33 outputs that change to ice-making disc 11 by step 31.
When step 33 is carried out water supply to ice-making disc 11, directly advance to step 37.At this moment, by the bossing 20 of being located at ice-making disc 11 in the last circulation and residual ice supply and the heating and melting by water, impurity etc. are diffused into ice-making disc integral body with bubble, and a part is emitted from open surface.In step 32, when the water supply carried out to ice-making disc 11, just supplied water finish after, by the energising of step 34 beginning to heater 22.At this moment, the ice of bossing 20 that residues in ice-making disc in last circulation is by the supply of this water and the heating and melting of heater 22, and impurity etc. are diffused into ice-making disc integral body with bubble, and a part is emitted from the open surface of ice-making disc 11.
In step 35, reach according to wait water of obtaining to freeze the predetermined temperature Ta (for example spending low temperature) that relevant a certain value sets and carry out a certain amount of energising before by experiment than-1 with in the ice-making disc 11 in the output of temperature sensor 18.By step 36 energising of heater 22 is cut off after reaching predetermined temperature T a.At this moment, the 1st ice generating portion in ice-making disc 11 forms transparency ice, but the water of bossing 20 also is the residual state that does not freeze part.By making heater 22 outage stopping heating, thereby make in the ice of the 2nd in the bossing 20 generating portion frozen ground knot rapidly.This is owing to supply with the cold air of-18 degree of the refrigerating chamber that forms refrigerator.
In step 37, when the output of judging temperature sensor 18 reach according to waits by experiment obtain with bossing 20 in water when freezing the predetermined temperature Tb of certain relevant value setting, transfer to from step 38 begin from icing operation.Here, the setting value Tb of step 37 is not for being subjected to the identical value that ice-make mode influences (for example-6 degree), but can be-10 degree when selecting transparent ice-make mode yet, is-6 degree when selecting common ice-make mode, changes according to ice-make mode to set value Tb.In step 38 drive unit 15 is just being changeed, make ice-making disc 11 counter-rotatings, before step 39 elapsed time tr, continue towards positive veer action.
At this moment, an end of ice-making disc 11 is pushed to stop dog component 17, and dish is reversed, and by by reversing the stress that is applied to opening portion 19 ice-making disc 11 and the ice of bossing 20 being disconnected, the ice of ice-making disc 11 drops to ice storage case 21.In step 40, drive unit 15 counter-rotatings make ice-making disc 11 rotate towards original position, in step 41, continue the action towards reverse directions before elapsed time tr, and in step 42, ice-making disc 11 turns back to original position, and drive unit 15 stops.When being somebody's turn to do from ice, the ice in the bossing 20 is still residual.In step 43, detect whether completely ice of ice storage case 21, carry out this water supply, ice making, be the ice making operation of 1 circulation from the operation of ice, before full ice, turn back to step 1, carry out the ice making actuation cycle repeatedly.
In addition, when generating transparency ice, increase output like this and in the generation unit of transparency ice, can generate big ice, improve relevant with the aesthetic appearance of ice, so, also effective beyond utilization is provided with the ice-making disc transparent ice making mode of carrying out of the 1st ice generating portion that illustrates in this form of implementation, the 2nd ice generating portion.
The present invention as described above, a kind of ice maker can be provided, this ice maker does not significantly change the ice-making compartment component parts of common refrigerator that automatic ice-making plant is set, can avoid the ice of abnormity to form, in addition, can make ice-making disc at an easy rate by easy manufacture method, the ice in the ice storage case not produced harmful effect, cleaning property is also good.Therefore, can obtain practical refrigerator.In addition, owing to have the output changing cell of the water supply time (driving time of pump) that can change to ice-making disc, so, by making water supply time, increase output to ice-making disc than long usually, can make the transparency ice of bulk attractive in appearance.
In addition, has ice-making disc 11 and as the control device of output regulon; This ice-making disc 11 stores the water of supplying with in a plurality of ice makings district that divides respectively, accepts cold air and carries out ice making, and can apply mechanical force the ice of generation is left; This control device can change the output to above-mentioned ice-making disc; Occasion at the fabrication order that receives transparency ice, increase is to the output of ice-making disc 11, so, compare during with common ice making, output to ice-making disc 11 increases, can obtain to be suitable on the rocks or water is drunk the bulk transparency ice of the occasion etc. of whiskey, obtain outward appearance good look delicious transparency ice.
The present invention can provide the apparatus and method that can make the little energy of transparency ice simply as described above.In addition, the present invention can provide and not reduce the refrigerator that food is accommodated the practicality of the transparency ice that the space of part can obtain to look delicious.

Claims (18)

1. an ice maker is characterized in that: comprise ice-making disc, the 1st ice generating portion, the 2nd ice generating portion;
This ice-making disc has open surface up, respectively the water of supplying with is stored into a plurality of ice makings district of division, accepts cold air and carries out ice making, and the ice that is generated simultaneously can leave this ice-making disc;
The 1st ice generating portion by opening, is located at the ice making district that marks off at above-mentioned open surface in above-mentioned ice-making disc, accept cold air and promote ice making;
The 2nd ice generating portion is located at the below in above-mentioned ice making district, ices the water that is communicated with above-mentioned supply between the generating portion via opening portion with the above-mentioned the 1st, compares to reduce with above-mentioned the 1st ice generating portion and accepts the influence of cold air and make ice making slack-off;
Above-mentioned the 2nd ice generating portion forms above-mentioned opening portion and the area that equates of inside of the 2nd ice generating portion or the area wideer than this inside, thereby ice that should inside is unrestricted to the extension of above-mentioned open surface.
2. ice maker according to claim 1 is characterized in that: the shape of above-mentioned the 2nd ice generating portion for protruding towards the below of above-mentioned the 1st ice generating portion that is formed at above-mentioned ice making district, and integrally formed with above-mentioned opening portion.
3. ice maker according to claim 1 is characterized in that: above-mentioned the 1st ice generating portion from the lower face side of dish side towards the angle of inclination of upper surface side relative vertical direction form than above-mentioned the 2nd ice generating portion from the lower face side of dish side towards the big angle in the angle of inclination of upper surface side.
4. ice maker according to claim 1 is characterized in that: above-mentioned the 2nd ice generating portion forms above-mentioned opening portion elongated shape and makes it possible to be cut off near above-mentioned opening portion.
5. ice maker according to claim 1 is characterized in that: above-mentioned ice-making disc is applied in mechanical force to this ice-making disc at the bolster of its two supports by twisting, and above-mentioned opening portion is along the parallel elongated shape of above-mentioned bolster.
6. ice maker according to claim 1 is characterized in that: above-mentioned the 2nd ice generating portion volume be above-mentioned the 1st ice generating portion volume 10~20%.
7. ice maker according to claim 1 is characterized in that: the inner surface of above-mentioned the 1st ice generating portion is more smooth than the inner surface of above-mentioned the 2nd ice generating portion, so that the ice that generates in above-mentioned the 1st ice generating portion is easy to leave.
8. ice maker according to claim 1 is characterized in that: above-mentioned the 2nd ice generating portion is the elongated groove shape with wide 5mm or its following opening.
9. ice maker according to claim 1 is characterized in that: have the heating unit of above-mentioned the 2nd ice generating portion of heating, above-mentioned heating unit stops heating according to the temperature of above-mentioned the 1st ice generating portion.
10. ice maker according to claim 9, it is characterized in that: above-mentioned the 2nd ice generating portion forms the shape of protruding towards the below from above-mentioned the 1st ice generating portion that is formed at above-mentioned ice-making disc top, and above-mentioned heating unit is located at the one side at least of above-mentioned the 2nd ice generating portion.
11. ice maker according to claim 9 is characterized in that: above-mentioned heating unit is for to carry out double-insulated heating element heater to heater body.
12. ice maker according to claim 9 is characterized in that: the heater body of above-mentioned heating unit is located at from above-mentioned the 1st ice generating portion and is left preliminary dimension or the position more than it.
13. ice maker according to claim 1, it is characterized in that: apply the drive unit that mechanical force is left the ice in the above-mentioned ice-making disc thereby have in above-mentioned ice making district, being sized and shaped as of above-mentioned opening portion makes near the ice the above-mentioned opening portion be subjected to above-mentioned mechanical force and can cut off.
14. ice maker according to claim 1 is characterized in that: the volume of above-mentioned the 1st ice generating portion of the volumetric ratio of above-mentioned the 2nd ice generating portion is little, and the radius of gyration of pressing above-mentioned ice-making disc is with interior size setting.
15. ice maker according to claim 1 is characterized in that: above-mentioned ice-making disc is to flow into 2 die cavities between metal pattern by the resin that makes fusion to form.
16. ice maker according to claim 15 is characterized in that: the face of above-mentioned metal pattern of inner surface that forms the 1st ice generating portion of above-mentioned ice-making disc is the rank of carrying out reaching after the attrition process plastic product.
17. ice maker according to claim 1 is characterized in that: have the output regulon that can change,, increase output to above-mentioned ice-making disc in the occasion of the fabrication order that receives transparency ice to the output of above-mentioned ice-making disc.
18. a deep freezer is characterized in that: group is gone into each described ice maker in the claim 1~17, and the cooled cold air of jetting from the top of above-mentioned ice-making disc carries out ice making.
CNB2004100302690A 2003-03-24 2004-03-23 Ice making device, ice making refrigerator, ice making method Expired - Fee Related CN100338419C (en)

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JP2003197940A JP3852607B2 (en) 2003-03-24 2003-07-16 Ice making device, freezer refrigerator, ice making method

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