CN101598478B - Ice maker and refrigerator therewith - Google Patents

Ice maker and refrigerator therewith Download PDF

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Publication number
CN101598478B
CN101598478B CN200910008019XA CN200910008019A CN101598478B CN 101598478 B CN101598478 B CN 101598478B CN 200910008019X A CN200910008019X A CN 200910008019XA CN 200910008019 A CN200910008019 A CN 200910008019A CN 101598478 B CN101598478 B CN 101598478B
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CN
China
Prior art keywords
ice
cold air
making disc
making
maker
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Expired - Fee Related
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CN200910008019XA
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Chinese (zh)
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CN101598478A (en
Inventor
山胁信太郎
盐野谦治
山下太一郎
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Hitachi Appliances Inc
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Hitachi Appliances Inc
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Publication of CN101598478A publication Critical patent/CN101598478A/en
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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
    • F25C1/22Construction of moulds; Filling devices for moulds
    • F25C1/24Construction of moulds; Filling devices for moulds for refrigerators, e.g. freezing trays
    • 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
    • F25C1/10Producing ice by using rotating or otherwise moving moulds
    • 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
    • F25C2305/00Special arrangements or features for working or handling ice
    • F25C2305/022Harvesting ice including rotating or tilting or pivoting of a mould or tray
    • F25C2305/0221Harvesting ice including rotating or tilting or pivoting of a mould or tray rotating ice mould
    • 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
    • F25C2400/00Auxiliary features or devices for producing, working or handling ice
    • F25C2400/10Refrigerator units

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The project of the invention aims to provide an ice maker capable of quickly making ice and keeping the state of ice stored in the ice maker and a refrigerator having the ice maker. The ice maker (50) relating to the refrigerator (1) in the invention has an ice making plate (60); the cold air flows along the opening end face (61) of the ice-making plate and the cold air that has passed through the upper part of the ice making plate is guided towards the bottom (62) of the ice making plate and flows along the bottom so that the ice making plate is configured in flowing surrounding manner of cold air and is positioned at the position more upper than that o f an ice storage device (40) storing ice in an ice storage space (41).The invention has a cold air guiding part (7) guiding the cold air that has passed through the upper part of the ice maker towards the bottom side of the ice maker, and a cold air passing through part (72) for cold air passing through in order to supply a part of cold air that has passed through the upper part of the ice maker towards the ice storage space of the ice maker is installed on the cold air guiding part.

Description

Ice maker and the refrigerator that possesses this ice maker
Technical field
The refrigerator that the present invention relates to ice maker and possess this ice maker.
Background technology
All the time, known have a following ice maker: possess the ice-making disc with bottom and open end, and by cold air is flowed along the above-mentioned open end of this ice making sabot, and the cold air that will pass through the top of ice-making disc flows to the bottom side guiding of ice-making disc and along the bottom, thereby the mode with the mobile encirclement ice-making disc of cold air constitutes, and be configured in than the ice storage device top that ice is stored in the ice storage space (for example, with reference to patent documentation 1: TOHKEMY 2002-228334 communique).
Yet above-mentioned ice maker is because the device of cold air that do not flow in the ice storage space that is disposed at the ice storage device below the ice maker, so there is the problem that can not suitably keep being stored in the state of the ice in the ice storage device.
Specifically, generally speaking, if open wide refrigerating chamber, then warm air can enter from the outside.So this warm air contact is stored in the ice in the ice storage device, thereby the ice surface is in the state that dissolves.And warm air also can be trapped in the ice storage space of ice storage device.
Under this state, even the sealing refrigerating chamber, the air that is trapped in the ice storage space turns cold, and the surface of ice freezes also to need a period of time once more.Therefore, exist ice after dissolving during this period, to freeze again each other, cause a plurality of ice to become the problem of the ice cube of adhesion.
Summary of the invention
So problem of the present invention is to provide the ice maker of the state that can make ice fast and can suitably keep being stored in the ice in the ice storage device and the refrigerator that possesses this ice maker.
The present invention is to be the technical scheme that purpose proposes to solve above-mentioned problem.
Promptly, ice maker of the present invention and refrigerator, be to possess ice-making disc with bottom and open end, and, by make cold air along the above-mentioned open end of this ice-making disc flow and will be the cold air of top by ice-making disc flow to the bottom side guiding of ice-making disc and along the bottom, thereby the mode with the mobile encirclement ice-making disc of cold air constitutes, and be configured in than the ice maker of the ice storage device that ice is stored at the ice storage space by the top position, it is characterized in that, possess will be the cold air of top by above-mentioned ice-making disc to the cold air guide portion of the bottom side guiding of ice-making disc, on this cold air guide portion, to be provided with in order supplying with to the ice storage space of above-mentioned ice storage device by the part of the cold air above the ice-making disc and to make its cold air that passes through pass through portion.
Effect of the present invention is as follows.
According to the present invention, can make the state of icing and can suitably keeping being stored in the ice in the ice storage device fast.
Description of drawings
Fig. 1 is the stereogram of refrigerator that expression possesses the ice maker of an embodiment of the invention.
Fig. 2 is the front view of state of the door of the expression refrigerator of having opened this embodiment.
Fig. 3 is the cross sectional side view along A-A line shown in Figure 1.
Fig. 4 is the sectional stereogram of the ice maker of this embodiment.
Fig. 5 is the cross sectional side view of the ice maker of this embodiment.
Fig. 6 is the figure of the ice maker of this embodiment of expression, is the cross sectional plan view along B-B line shown in Figure 5.
Fig. 7 is the stereogram that the ice-making disc of the ice maker of this embodiment is surrounded parts.
Fig. 8 is the cross sectional side view of operating state of the ice maker of this embodiment of expression, (A) state of the expression anglec of rotation 0 degree, (B) expression anglec of rotation 90 degree, (C) expression anglec of rotation 130 degree, (D) expression anglec of rotation 160 degree.
Fig. 9 is the sectional stereogram of operating state of the ice maker of this embodiment of expression, (A) state of the expression anglec of rotation 0 degree, (B) expression anglec of rotation 90 degree, (C) expression anglec of rotation 130 degree, (D) expression anglec of rotation 160 degree.
Among the figure:
The 1-refrigerator, 10-distributor, 11-display part, 20-first storeroom (refrigerating chamber), 21-refrigerating chamber door, 22-cooling fan, the 23-passage, 24-hinge portion, 30-second storeroom, the 32-refrigerating chamber, 33-vegetable compartment, 34-refrigerating-chamber door, 35-vegetable compartment door, 36-feed-water vessel, 40-ice storage device, 41-ice storage space, 42-upper end open portion, 50-ice maker, 51-ice falls portion, 52-inspection ice bar, 60-ice-making disc, the 61-open end, 62-bottom, 63-separating part, the 64-ice making unit, the 70-ice-making disc is surrounded parts, 71-cold air guide portion, 72-cold air is by portion, 73-extension, 80-ice maker basket, logical portion is inserted in 81-ice making space, 82-feed pipe, and 83-cold air is blown into portion, 84-cold air eliminating portion, the 90-drive division.
The specific embodiment
The ice maker of an embodiment of the invention and the refrigerator that possesses this ice maker are described.
The refrigerator 1 of present embodiment is the outward appearance that has as shown in Figure 1, and the refrigerator that has the function that water or ice are provided in the distributor portion 10 that is located on the door.In addition, this refrigerator 1 is the refrigerator that is called as two-door side by side type, also as shown in Figure 2, have storeroom about the structure that is separated significantly.
Secondly, with reference to Fig. 2 and Fig. 3 the internal structure of refrigerator 1 is described.Refrigerator 1 about to dispose storage temperature be that first storeroom 20 and storage temperature below 0 ℃ is to be higher than 0 ℃ second storeroom 30.Specifically, towards refrigerator 1, first storeroom 20 in left side is refrigerating chamber (the following also suitable refrigerating chamber 20 that is called), and about second storeroom 30 on right side was split into, top was that refrigerating chamber 32, bottom are vegetable compartment 33.And, be provided with refrigerating chamber door 21, refrigerating-chamber door 34, vegetable compartment door 35 with respect to refrigerating chamber 20, refrigerating chamber 32, vegetable compartment 33.
Secondly, first storeroom (refrigerating chamber) 20 is described.In refrigerating chamber 20, be provided with ice maker 50 at an upper portion thereof.Ice maker 50 is configured in the place ahead part of refrigerating chamber 20.And, on refrigerating chamber 20, be provided with the ice storage device 40 that the ice that will produce with ice maker 50 is stored at ice storage space 41.This ice storage device 40 is arranged on the case inboard of refrigerating chamber door 21.As shown in Figure 3, ice storage device 40 becomes the position relation of catching this ice from ice maker 50 belows.Specifically, the upper end open portion 42 that is configured to ice storage device 40 for the ice of ice maker 50 fall portion 51 under.And ice storage device 40 becomes the state that is positioned at below the ice maker 50 when closing refrigerating chamber door 21.
In addition, the cooling fan 22 that possesses cool-air feed in refrigerating chamber 20 as shown in Figure 3 in the top position at refrigerating chamber 20 back sides.And, in refrigerating chamber 20, be provided with the passage 23 that is used for the cold air from this cooling fan 22 is directly supplied to ice maker 50.
Also have, as shown in Figure 2, second storeroom 30 possesses the feed-water vessel 36 to ice maker 50 feedwater.And, the pipe arrangement (not shown) of ice maker 50 usefulness is arranged to connect the outside that the refrigerator cabinet extends to refrigerator 1 from feed-water vessel 36 to the depth direction of refrigerator 1, therefrom along the back side and end face connect the refrigerator cabinet to refrigerating chamber door 21 sides from the half-way of end face and arrive ice maker 50.
Secondly, use Fig. 4~Fig. 9 that ice maker 50 is described.
Ice maker 50 is ice makers 50 of following structure: the ice-making disc 60 that possesses (upper surface of opening promptly) 61 that have open end and bottom 62, and by make cold air along the open end 61 of this ice-making disc 60 flow and will be the cold air of top by ice-making disc 60 side directed and 62 flow to the bottom 62 of ice-making disc 60 along the bottom, thereby the mode with the mobile encirclement ice-making disc 60 of cold air constitutes, and is configured in the top that ice is stored at the ice storage device 40 in ice storage space 41.And, possess will be the cold air of top by ice-making disc 60 to the side directed cold air guide portion 71 in the bottom 62 of ice-making disc 60, on this cold air guide portion 71, to be provided with in order supplying with to the ice storage space 41 of ice storage device 40 by the part of the cold air above the ice-making disc 60 and to make its cold air that passes through by portion 72.
Below, before cold air described by portion's 72 grades, at first the unitary construction relevant with ice maker 50 described.
Ice maker 50 possess ice-making disc 60, this ice-making disc 60 of folding and unfolding ice maker basket 80, dispose and surround parts 70 in the mode of the bottom 62 that surrounds ice-making disc 60 along the ice-making disc of the bottom 62 guiding cold air of ice-making disc 60.
Ice maker basket 80 is formed with ice making space 81 in inside, but folding and unfolding ice-making disc 60 ground constitute.And ice maker basket 80 its underparts are opened wide.The bottom that should open wide is the part that ice passed through when the ice storage device 40 of ice towards the below that produces fallen.Also have, this part becomes ice and falls portion 51.
Ice maker basket 80 is fixed on top the end face of refrigerating chamber 20.Be formed with the slotting logical portion 82 of feed pipe that is used for inserting logical feed pipe (not shown) on the top of ice maker basket 80.This feed pipe is inserted logical portion 82 and is made of circular hole.In addition, be formed with the cold air that the cold air that is used for sending here from cooling fan 22 is taken into inside at sidepiece and be blown into portion 83.And be formed with and be used for from the ice making space the 81 cold air discharge portions 84 of discharging cold air.These cold air are blown into the same sidepiece that portion 83 and cold air discharge portion 84 are formed at ice maker basket 80, are arranged side by side up and down.Also have, these cold air are blown into portion 83 and cold air discharge portion 84 is made of slotted hole or slit.
The cold air of ice maker basket 80 is blown into mouthfuls 83 and disposes in the mode that is communicated with passage 23.And the height and position that cold air is blown into the open end 61 of portion 83 and ice-making disc 60 is provided with accordingly.And the cold air of carrying flows along the open end 61 of ice-making disc 60 in passage 23.On the other hand, cold air discharge portion 84 is positioned at than passage 23 also by the below, disposes in the mode that is communicated with storage space in the refrigerating chamber 20.
In addition, this ice maker 50 is the devices that are called as the type of so-called automatic ice-making plant, in the ice-making disc 60 of sky, fill water, after freezing, this water can make this ice making operation of ice-making disc 60 rotations and separate ice automatically, as the structure that can carry out this action, on ice maker 50, possesses the drive division 90 that rotation drives ice-making disc 60.
As shown in Figure 6, ice-making disc 60 has and overlooks roughly rectangular shape.And ice-making disc 60 is divided into a plurality of ice making unit 64 by separating part 63, and this ice making unit 64 forms two row, forms four row at long side direction at short side direction.Ice making unit 64 forms in the narrow more mode in below more, makes and to overlook the roughly ice of platform shape of roughly oblong-shaped, side-looking.Specifically, shown in Fig. 5 waited, ice making unit 64 its sides were made of the tabular surface that tilts, and the bottom surface is made of flexure plane.In addition, but the ice of the size of these ice-making disc 60 Production Examples such as 42mm * 32mm * 25mm.Also have, ice maker basket 80 disposes in the short side direction of ice-making disc 60 mode parallel with the depth direction of refrigerating chamber.
In addition, ice-making disc 60 constitutes in the mode that open end 61 falls ice towards the lower side rotation.Specifically, ice-making disc 60 is that the center is rotatable with the rotating shaft along long side direction.More particularly, rotating shaft is configured in the short side direction central portion.And ice-making disc 60 rotatably keeps the long side direction both ends.Specifically, ice-making disc 60 is driven in rotation open end 61 roughly towards the state (for example, 160 degree) of below from horizontal state (promptly, 0 degree).
Have, drive division 90 is the members that with the state of releasing ice from ice making unit 64 ice separated by rotation ice-making disc 60 again.The action that is rotated this ice-making disc 60 is set in open end 61 beginnings of ice-making disc 60 after the moment of lower side, and specifically, its angular range is the scopes of 130~160 degree in the anglec of rotation of ice-making disc 60.
Secondly, ice-making disc being surrounded parts 70 describes.
Ice-making disc encirclement parts 70 dispose in the mode of the opened portion part (promptly, the ice of ice maker 50 falls portion 51) of sealing ice maker basket 80 bottoms.Like this, prevented that cold air from falling portion 51 from ice and flowing out downwards.And, surround parts 70 by this ice-making disc and divide formation ice making space 81.Yet it is parts that guiding cold air flows along the bottom 62 of ice-making disc 60 that this ice-making disc is surrounded parts 70, can specificly be the cold air guide member also.
In addition, ice-making disc is surrounded parts 70 in order to fall that portion 51 keeps out of the way and rotatably to be provided with from ice when making ice with the state separate ice that falls downwards.Specifically, ice-making disc is surrounded parts 70 by drive division 90 rotation drivings.The mode that ice-making disc 60 and ice-making disc encirclement parts 70 rotate with interlock constitutes.
Ice-making disc is surrounded parts 70 and is formed circular-arc.And the pivot that this circular-arc ice-making disc is surrounded parts 70 and ice-making disc disposes with one heart.Specifically, ice-making disc is surrounded the roughly semicircle arcuation that parts 70 form the angular range with about 20 degree.But, surrounding parts as ice-making disc, an end also can form than its short about 180 degree.Also have, the configuration when becoming the position with the rotating shaft level from positions of another distolateral about 145 degree is ice-making disc configuration of (during ice making) when surrounding parts 70 common.
Ice-making disc is surrounded parts 70 and is provided with in the end mode more outstanding upward than ice-making disc 60.And the cold air of the top by ice-making disc 60 touches the part that this stretches out upward, and this part also can be specific be born portion for the cold air that bears cold air.And ice-making disc is surrounded in the short side direction both sides that parts 70 have ice-making disc 60 the relative position of a sidepiece with the flow direction downstream of cold air.Specifically, ice-making disc is surrounded parts 70 and is had the shape of semicircle arcuation, and with its radially the outstanding upward mode in an end be provided with.On the other hand, radially the other end of ice-making disc encirclement parts 70 is configured in than cold air discharge portion 84 also by lower position in the mode of not sealing cold air discharge portion 84.
And, as shown in Figure 7, on ice-making disc encirclement parts 70, be provided with cold air by portion 72.This cold air by portion 72 in order about 20% to supply with to the ice storage space 41 of ice storage device 40 it to be passed through in the cold air that makes the top by ice-making disc 60.Thereby remaining about 80% cold air surrounds bottom 62 sides that parts 70 flow to ice-making disc 60 along ice-making disc.But, be not limited to above-mentioned numerical value by the ratio of cold air by the cold air of portion 72, can as one man carry out various changes with the size or the structure of ice maker 50 and ice storage device 40.
Cold air is by the long side direction setting of portion 72 along ice-making disc 60.Preferably cold air is provided with by the length range of portion's 72 leap ice-making disc 60.And cold air is provided with in the mode that comprises at least with the height and position of the height and position same degree of the open end 61 of ice-making disc 60 by portion 72.
Cold air is crossed over from the open end 61 than ice-making disc 60 by portion 72 and is also leaned on the position of top up to also leaning on the predetermined angular scope of the position of below to be provided with than this open end 61.Specifically, cold air is arranged on the position relative with a sidepiece of ice-making disc 60 by portion 72.More particularly, cold air is 0 degree by portion 72 with horizontal direction, position at about 17 degree of the direction opposite with direction of rotation has the upper end, has the bottom in the position of direction of rotation about 30, surrounds in circular-arc ice-making disc and crosses over the angular ranges of about 47 degree on the parts 70 and be provided with.
Specifically, cold air is provided with as the intercommunicating pore that is formed at cold air guide portion 71 by portion 72.Intercommunicating pore is made littler than the size of ice.More particularly, the length direction that cold air surrounds parts 70 by portion 72 with respect to ice-making disc forms the mesh-shape of inclination, and each intercommunicating pore forms almost parallel quadrangle form (perhaps roughly prismatic shape).And a part of intercommunicating pore forms the general triangular shape of a part that is equivalent to the almost parallel quadrangle form.
, the refrigerator 1 of present embodiment disposes ice maker 50 in refrigerating chamber 20 sides of refrigerator 1, on the other hand, disposes ice storage device 40 in refrigerating chamber door 21 sides.Therefore, also considered the occasion that the user has opened wide refrigerating chamber door 21 when ice maker 50 is discharged the action of ice, the drawback of the state of affairs and so on of the ice that has separated can take place to catch with ice storage device 40.
In order to solve this problem, refrigerator 1 make shorten as much as possible ice from ice maker 50 discharge during (or time).Specifically, the rear side that surrounds the direction of rotation of parts 70 in ice-making disc is provided with extension 73.This extension 73 is also to (or direction of rotation) outstanding part radially than the open end 61 of ice-making disc 60.Promptly, the above-mentioned cold air portion of bearing is the part that is equivalent to this extension 73.
Secondly, use Fig. 8 and Fig. 9 that the action of the separate ice of the ice maker 50 of above-mentioned embodiment is described.
At first, with regard to the anglec of rotation 0 degree, ice-making disc 60 (open end 61) is a level.Make ice-making disc 60 and ice-making disc surround parts 70 rotations from this state.So ice-making disc 60 rotation also becomes moment of angle position along the state of horizontal direction (for example, about 65 degree of the anglec of rotation) from the inclined plane of ice making unit 64, do not begin to fall naturally because of gravity with the ice that ice making unit 64 is adjacent to.The extension 73 that the ice that comes off from this ice-making disc 60 is surrounded parts 70 by ice-making disc is caught, and stops to fall downwards.In addition, hang over ice-making disc in addition according to occasion and surround the ice that is prevented from falling on parts 70 and the inspection ice bar 52.Also have, Fig. 8 (B) and Fig. 9 (B) are the states of the anglec of rotation 90 degree.And reaching the anglec of rotation 90 degree needs about 9.5 seconds.
Then, make ice-making disc 60 and ice-making disc surround parts 70 and rotate to the anglec of rotation 130 degree shown in Fig. 8 (C) and Fig. 9 (C).Also have, reaching 130 degree from the anglec of rotation 90 degree needs about 4.5 seconds.And, begin the torsion action of ice-making disc 60 from moment of this anglec of rotation 130.So, be out of shape and will ice the mode active force of releasing from ice making unit 64 with ice-making disc 60, promote separate ice.And, from this constantly, beginning to lean forward by ice-making disc 60, short side direction one end of ice-making disc 60 begins to advance to horizontal direction, on the other hand, surrounds parts 70 rotations by ice-making disc, and extension 73 beginnings retreat to horizontal direction.Therefore, the horizontal direction position of ice-making disc 60 and the horizontal direction position of extension 73 will be near reversing afterwards, and it is difficult catching the ice that falls from ice-making disc 60 with extension.Therefore, ice can fall portion 51 from ice and emits downwards.
Then, make ice-making disc 60 and ice-making disc surround parts 70 and rotate to the anglec of rotation 160 degree shown in Fig. 8 (D) and Fig. 9 (D).Also have, reaching 160 degree from the anglec of rotation 130 needs about 3.5 seconds.And the degreeof tortuosity of ice-making disc 60 is that the mode of maximum is set with the moment at the anglec of rotation 160 degree.
Like this, possess ice and fall anti-locking mechanism by making ice maker 50, thus the torsion action up to ice-making disc 60 begin during, can prevent suitably that stagnant ice is difficult to come off with expecting.Promptly, do not plan separate ice during catch ice etc. by the extension 73 that surrounds parts 70 with ice-making disc, ice is remained on ice maker 50 sides, during the torsion action of ice-making disc 60 thereafter, ice is concentrated is fallen ice storage device 40.Thereby, can shorten ice from ice storage device 40 fall during (or time), can reduce the probability of happening of the trouble that occasion took place of opening refrigerating chamber door 21 during this period.
Also have, in said structure, after reaching 160 degree from the anglec of rotation 130 degree and opening refrigerating chamber door 21 between about 3.5 seconds, still can ice the trouble that falls.Therefore, opened wide the occasion of refrigerating chamber door 21 at least during this period, stopped ice-making disc 60 ice-making disc and surround the spinning movement of parts 70 and the torsion action of ice-making disc 60.Utilizing notifying operator to report to the user simultaneously is in the action in separate ice.Specifically, the sound that gives a warning, but also can be in this meanings of last demonstration such as display parts 11 (with reference to Fig. 1).
In addition, ice-making disc 60 ice-making disc are surrounded reporting or demonstration etc. in the torsion action of the spinning movement of parts 70 and ice-making disc 60 or the separate ice action, not only after torsion action begins, and begin to carry out also passable from the moment that reaches the angle that ice beginning nature falls, surround the rotation of the spinning movement of parts 70 from ice-making disc 60 ice-making disc and carry out also passable the zero hour.
As mentioned above, according to the refrigerator 1 and the ice maker 50 of present embodiment, can make ice apace, and can suitably keep being stored at the state of the ice in the ice storage device 40.
Promptly, ice maker 50 in the present embodiment possesses the cold air by ice-making disc 60 tops to the side directed cold air guide portion 71 in the bottom 62 of ice-making disc 60, is provided with in order to supply with to the ice storage space 41 of ice storage device 40 by the part of the cold air above the ice-making disc 60 to make its cold air that passes through by portion 72 on this cold air guide portion 71.
Therefore, by when opening wide refrigerating chamber 20, being taken into warm air from the outside, this warm air contacts with ice in being stored at ice storage device 40, even becoming the surface of ice dissolves, and the state of warm air trapping in the ice storage space 41 of ice storage device 40, part by cold air is supplied with to the ice storage space 41 of ice storage device 40, also can directly cool off the air that is trapped in the ice storage space 41, and the water on ice surface is directly freezed or evaporates.Therefore, can prevent suitably that a plurality of ice from becoming coherent ice cube.
And, by being set, ice-making disc surrounds parts 70, and can be from open end side 61 and this both sides cooling ice-making disc 60 of bottom 62 sides.Therefore, can cool off effectively in the ice making space 81, can shorten the ice making time.
Also have, the refrigerator of present embodiment and ice maker are not limited to the structure of above-mentioned embodiment, can carry out various changes in the scope that does not break away from aim of the present invention.
For example, fall anti-locking mechanism as ice, the interval that also ice-making disc can be surrounded parts 70 and inspection ice bar 52 is set for littler than the size of ice, also can surround in inspection ice bar 52 and ice-making disc to keep the ice that comes off from ice-making disc 60 between the parts 70.In addition, between ice-making disc encirclement parts 70 and inspection ice bar 52, dispose aspect other partition member, the interval that this partition member and ice-making disc are surrounded parts 70 is set for littler than the size of ice, also can surround in partition member and ice-making disc to keep the ice that comes off from ice-making disc 60 between the parts 70.
In addition, in the above-described embodiment, the refrigerator 1 of refrigerating chamber 20 by the type of refrigerating chamber door 21 sealings that link with hinge portion 24 is illustrated, but is not limited thereto, the present invention also can be applicable to have the refrigerator of the refrigerating chamber of drawer type certainly.
In addition, in the above-described embodiment, illustrated that cold air guide portion 71 is arranged on the structure that ice-making disc is surrounded an end of parts 70, but be not limited thereto, the cold air guide portion is configured in the position of the cold air collision of the top of passing through ice-making disc 60, as long as the cold air of collision in this cold air guide portion can be guided to the lower side of ice-making disc 60.For example, can be to surround the be arranged structure of cold air guide portion of parts branch with ice-making disc, this occasion, it is rotatable to consider that ice-making disc 60 is surrounded parts, and on the other hand, cold air bears portion and fixes to displacement relatively with respect to the ice maker basket.
In addition, ice maker of the present invention is so long as the structure that the part of cold air can be supplied with to the ice storage space 41 of ice storage device 40, just the structure to ice storage device 40 is not particularly limited, and for example, the structure from the direct cool-air feed of upper end open portion of ice storage portion is impassable yet.This occasion, it is also passable that the passage be communicated with the ice storage space of ice storage device etc. is set in addition.
In addition, in the above-described embodiment, illustrated with the upper end open portion 42 of ice storage device 40 the ice of ice maker 50 fall portion 51 under the structure that disposes of mode, but, the position relation of ice maker 50 and ice storage device 40 is not limited thereto, although ice storage device 40 and ice maker 50 are not along the position of vertical direction relation, it is also passable that the ice that produces with ice maker 50 is directed into ice storage device 40.
In addition, illustrated that ice maker 50 is arranged on the structure in the refrigerating chamber 20, but be not limited thereto that the structure that is arranged on refrigerating chamber door 21 sides is also passable.This occasion for example considers to be provided with the structure of ice maker 50 directly over ice storage device 40.
In addition, in the present embodiment, illustrated that ice maker 50 possesses the ice storage space cooling body by the ice storage device that cold air realizes by portion 72 is set and falls anti-these both sides' of locking mechanism structure by the ice that extension 73 realizes is set on cold air guide portion 71.And the present invention has illustrated the mechanism that possesses ice storage space cooling body at least.But ice storage space cooling body is not set, can extracts technological thought of the present invention yet but the ice maker that above-mentioned ice falls anti-locking mechanism only is set.

Claims (4)

1. ice maker, possesses ice-making disc with bottom and open end, and, by making cold air flow and will flow to the bottom side guiding of ice-making disc and along the bottom by the cold air above the ice-making disc along the above-mentioned open end of this ice-making disc, thereby the mode with the mobile encirclement ice-making disc of cold air constitutes, and be configured in than the ice storage device that ice is stored at the ice storage space and lean on the top position, it is characterized in that
Possessing will be by the cold air guide portion of the cold air above the above-mentioned ice-making disc to the bottom side guiding of ice-making disc;
And dispose and surround parts along the ice-making disc of the bottom-boot cold air of ice-making disc in the mode of the bottom that surrounds ice-making disc,
Above-mentioned cold air guide portion is arranged on the end that above-mentioned ice-making disc is surrounded parts, is provided with in order to supply with the cold air that above-mentioned cold air is passed through by the part of the cold air above the ice-making disc to the ice storage space of above-mentioned ice storage device to pass through portion on this cold air guide portion.
2. ice maker according to claim 1 is characterized in that,
Above-mentioned cold air is provided with as the through hole that is formed at above-mentioned cold air guide portion by portion.
3. according to the ice maker described in claim 1 or 2, it is characterized in that,
Above-mentioned ice-making disc is driven in rotation in the mode of above-mentioned open end towards lower side, and constitutes ice is fallen downwards from this open end,
The mode that above-mentioned ice-making disc encirclement parts rotate with the rotation that is accompanied by above-mentioned ice-making disc constitutes.
4. a refrigerator is characterized in that,
Possesses the ice maker described in claim 1 or 2.
CN200910008019XA 2008-06-06 2009-02-19 Ice maker and refrigerator therewith Expired - Fee Related CN101598478B (en)

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JP2008148715 2008-06-06
JP2008148715A JP5142835B2 (en) 2008-06-06 2008-06-06 Ice making device and refrigerator provided with the ice making device
JP2008-148715 2008-06-06

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附图1-5.

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JP5142835B2 (en) 2013-02-13
CN101598478A (en) 2009-12-09

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