CN106052248A - Refrigerator - Google Patents
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- CN106052248A CN106052248A CN201510854590.9A CN201510854590A CN106052248A CN 106052248 A CN106052248 A CN 106052248A CN 201510854590 A CN201510854590 A CN 201510854590A CN 106052248 A CN106052248 A CN 106052248A
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- vegetable compartment
- refrigerator
- insulation materials
- vacuum heat
- heat insulation
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Abstract
The present invention provides a refrigerator capable of reducing power consumption and having a heat-insulating partition wall capable of increasing the volume of the tank. The refrigerator according to the present invention is a refrigerator (1) for refrigerating or freezing an inner foodstuff by cold air generated by an evaporator (7). The refrigerator comprises an insulating case (10) (10) filled with foamed thermal insulating material (10p) between the outer box (10s) and the inner box (10u); a frozen temperature chamber(5) and a vegetable chamber (6) provided with an insulating case(10), and an insulating partition wall (29) provided with an insulating space (29d) thereof; an vaccum insulating material (32) configured inside the insulating wall (29). When viewed from the front, the lateral width of the vacuum insulating material (32) is larger than the lateral width of the evaporator (7); when viewed from the front or the above, a cool air returning port(29a) into which the cool air after cooling the vegetable compartment (6) is sucked is located on the projection surface of the vacuum heat insulating material (32).
Description
Technical field
The present invention relates to refrigerator.
Background technology
In the past, as the method preventing greenhouse effects of the earth, in order to realize carbon dioxide (CO2) discharge press down
Make and advance energy-saving in various fields.In electric equipment products in recent years, especially refrigerator, from minimizing
The raising of heat-insulating property it is conceived to from the viewpoint of power consumption.
In general refrigerator, between outer container and the resinous interior case dividing thin steel plate, each storeroom
Partition wall, such as fill the foamed thermal insulating such as hard polyurethane foams and define body of thermal insulating box.Further,
On the other hand, it is constantly present the overall dimensions not wanting to increase refrigerator and expands this demand of internal volume.
In recent years, storage was formed as with the expanding as purpose of dischargeable capacity in the energy-saving of refrigerator, case
The heat insulating member of the casing of room, utilization has the vacuum heat insulation materials of thin thickness and high heat-insulating property
Example increases.Such as, in the refrigerator that patent documentation 1 is recorded, in order to suppress to be set as different temperature band
Storeroom between heat conduction and prevent supercooling, freeze, dividing the partition wall of each storeroom of body of thermal insulating box,
And foamed thermal insulating and vacuum heat insulation materials it is configured with in inside.
Patent documentation 2 is recorded in refrigerator, has divided refrigerating chamber and the partition wall 129 of vegetable compartment below
(with reference to Fig. 9 (a), Figure 10).
Fig. 9 (a) is that the upside of the partition wall dividing refrigerating chamber and vegetable compartment pulling down patent documentation 2 separates
The top view of the state after wall forms body, before filling with foam insulation materials, Fig. 9 (b) is to represent to cut to need
The top view of the situation of the aluminium foil wanted.
Figure 10 is the IV-IV sectional view of Fig. 9 (a).Additionally, in Figure 10, represent that being provided with upside separates
Wall forms the state before body 129k2, filling-foam polyurethane resin 110p.Figure 11 is to observe from front upper place
The lower separation wall of the adiabatic partition wall dividing refrigerating chamber and vegetable compartment of patent documentation 2 forms the solid of body
Figure.
Partition wall 129 is shape by lower separation wall formation body 129k1 and upside partition wall formation body 129k2
Become exterior contour.
Lower separation wall at partition wall 129 forms body 129k1, and opening has the cold air after cooling vegetable compartment
Carry out the vegetable compartment return port 129a sucked.And, the bottom of body 129k1 is formed in lower separation wall,
Relatively be formed with vegetable compartment backward channel 129b in left side, backward channel 129b is from suction inlet for this vegetable compartment
129a is communicated to the cooler connector 129c being connected with cooler receiving room.At cooler receiving room (not
Diagram) it is provided with cooler (not shown).
In the right back of partition wall 129, it is formed with the cold air making cooler receiving room the most throughly
The tap 129e (with reference to Fig. 9 (a)) discharged to vegetable compartment.
It is configured with vacuum heat insulation materials 132 on the right side of partition wall 129.
The central part 129o of thickness direction and vacuum heat insulation materials at the partition wall 129 shown in Figure 10
The top of 132, injects and filling-foam polyurethane resin 110p.
But, lower floor's refrigerating chamber (not shown) is cooled with cryogenic temperature band, and vegetable compartment below is (not
Diagram) it is cooled with the temperature of the refrigerated storage temperature band of vegetable.Therefore, at the partition wall shown in Fig. 9 (a)
The wall of the vegetable compartment side not configuring vacuum heat insulation materials 132 of 129, has the worry producing condensation.Therefore,
As shown in Fig. 9 (a), the wall in the vegetable compartment side not configuring vacuum heat insulation materials 132 arranges helical form
Ground forms the heater T of nichrome wire, thus prevents condensation.
Above heater T, in order to heater T be covered from top and in order to heat
The conduction of heat of device T is provided with aluminium foil al to broad region.
Prior art literature
Patent documentation 1: Japanese Unexamined Patent Publication 2005-127600 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2014-43987 publication
But, as shown in Fig. 9 (a), the vegetable compartment return port of the partition wall 129 that patent documentation 2 is recorded
129a is located at nearby left side, in the inside left of partition wall 129, such as the IV-IV section of Fig. 9 (a)
Shown in Figure 10, from being nearby configured with the vegetable compartment backward channel being connected with vegetable compartment return port 129a to rear portion
129b.Therefore, as shown in Fig. 9 (a), vacuum heat insulation materials 132 is configured at the inside of partition wall 129
Right side.
So, in partition wall 129, the size of vacuum heat insulation materials 132 is limited to the time-division viewed from above
The substantially right half part in next door 129.Therefore, for the heat of heater T is carried out the aluminium foil al of heat conduction also
Need bigger.For aluminium foil al, due to the aluminum from the rectangle including aluminium foil al shown in Fig. 9 (b)
Position al9 beyond the discarded part needed of paper tinsel al0 (with reference to the double dot dash line of Fig. 9 (b)) uses,
It is desirable to the region laying heater T is can to try one's best close to rectangle and little region.
But, as shown in Fig. 9 (a), time viewed from above, the heater T of partition wall 219 is to separation
Direction and left and right directions extension before and after wall 29.Therefore, as shown in Fig. 9 (b), partition wall 29 institute
The aluminium foil al0 used needs to be the size of rectangle in the region covering heater T, and discarded joins with rectangle
Put the position al9 beyond the near zone of heater T.
Therefore, the cost of the cost of heater T and aluminium foil al that the heat of heater T carries out heat conduction is high
Rise.
Further, relatively big, so the length of heater T is longer due to the region of configuration heater T.Therefore,
In order to be heated to the temperature of regulation with heater T, need the electric power corresponding with the length of heater T.Cause
This, the power consumption of heater T is bigger.
Further, owing to the size of vacuum heat insulation materials 132 is limited, so injecting the poly-ammonia of foaming that thickness is thickening
Ester resin and insulated region become big.Due to foaming polyurethane resin compared with vacuum heat insulation materials 132 absolutely
Hot difference, so needing to thicken thickness, thus needs the region thickening the thickness of partition wall 129 to become big.Phase
Ying Di, the internal volume of the storeroom of refrigerator is cut in.
Summary of the invention
The present invention completes in view of above-mentioned practical situation, its object is to offer can reduce power consumption,
And there is the refrigerator of the adiabatic partition wall of the volume that can increase in case.
In order to solve above-mentioned problem, the refrigerator of the present invention is to utilize the cold air generated by vaporizer to internal food
Product carry out the refrigerator of cold preservation or freezen protective, it is characterised in that possess: body of thermal insulating box, its outer container with
It is filled with foamed thermal insulating between interior case;Adiabatic partition wall, it is marking off above-mentioned body of thermal insulating box up and down
Cryogenic temperature band room and vegetable compartment, and it is being internally formed adiabatic space;And vacuum heat insulation materials, it is joined
Being placed in inside above-mentioned adiabatic partition wall, when forward observation, the transverse width ratio of above-mentioned vacuum heat insulation materials is upper
The transverse width stating vaporizer is big, from forward observation or viewed from above time, after cooling down above-mentioned vegetable compartment
The cold air return port that cold air is inhaled into is positioned on the perspective plane of above-mentioned vacuum heat insulation materials.
The effect of invention is as follows.
According to the present invention, it is possible to provide power consumption can be reduced and there is the thermal insulation of the volume that can increase in case
The refrigerator of partition wall.
Accompanying drawing explanation
Fig. 1 is the front view of the refrigerator of embodiments of the present invention.
Fig. 2 is the structure in the case representing refrigerator, Fig. 1 I-I longitudinal section.
Fig. 3 is the front view of the structure in the case representing refrigerator.
Fig. 4 is the II portion expanded view of Fig. 2.
Fig. 5 be pull down the upside partition wall of the adiabatic partition wall dividing refrigerating chamber and vegetable compartment form body after, fill out
Fill the top view of the state before foamed thermal insulating.
Fig. 6 is the III-III sectional view of Fig. 5.
Fig. 7 is the lower separation wall shape observing the adiabatic partition wall dividing refrigerating chamber and vegetable compartment from front upper place
The axonometric chart of adult.
Fig. 8 is the cross-sectional schematic of the situation that arranges representing heater.
Fig. 9 (a) is that the upside of the partition wall dividing refrigerating chamber and vegetable compartment pulling down patent documentation 2 separates
The top view of the state after wall forms body, before filling with foam insulation materials, Fig. 9 (b) is to represent to cut to need
The top view of the situation of the aluminium foil wanted.
Figure 10 is the IV-IV sectional view of Fig. 9.
Figure 11 is division refrigerating chamber and the adiabatic partition wall of vegetable compartment observing patent documentation 2 from front upper place
Lower separation wall forms the axonometric chart of body.
In figure:
1 refrigerator, 5 lower floor's refrigerating chambers (cryogenic temperature band room), 6 vegetable compartment, 7 vaporizers, 10
Body of thermal insulating box, 10s outer container, case in 10u, 10p foamed thermal insulating, 29 adiabatic partition walls,
29a vegetable compartment suction inlet (cold air return port), 29d adiabatic space, 29e tap, 29s connects
Line incorporating section (storage place), 32 vacuum heat insulation materials, T heater.
Detailed description of the invention
Hereinafter, the most referring to the drawings, in detail embodiments of the present invention are illustrated.
The refrigerator that the present invention relates to cold preservation or frozen food, drinking water etc. and store, particularly for differentiation
The structure of the partition wall of cryogenic temperature band room and refrigerated storage temperature band room.
Fig. 1 is the front view of the refrigerator of embodiments of the present invention, and Fig. 2 is the structure in the case representing refrigerator
, the I-I longitudinal section of Fig. 1.
The refrigerator 1 of embodiment from start above possess cold room 2, ice-making compartment 3, upper strata refrigerating chamber 4,
Lower floor's refrigerating chamber 5 and vegetable compartment 6 and constitute.Additionally, below, have ice-making compartment 3, upper strata refrigerating chamber
4 and lower floor's refrigerating chamber 5 be referred to as the situation of refrigerating chamber 60.
Cold room 2 possess front side split to the left and right and open to nearby side turning up the soil refrigerating-chamber door 2a,
2b.Further, ice-making compartment 3, upper strata refrigerating chamber 4, lower floor's refrigerating chamber 5, vegetable compartment 6 possess drawer respectively
The ice-making compartment door 3a of formula, upper strata refrigerating chamber door 4a, lower floor refrigerating chamber door 5a, vegetable compartment door 6a.
Additionally, below, by refrigerating-chamber door 2a, 2b, ice-making compartment door 3a, upper strata refrigerating chamber door 4a, lower floor
Refrigerating chamber door 5a, vegetable compartment door 6a are referred to as door 2a, 2b, 3a, 4a, 5a, 6a.
As in figure 2 it is shown, the case of refrigerator 1 is outer and case is interior by the body of thermal insulating box being filled with foamed thermal insulating 10p
10 separate.Foamed thermal insulating 10p such as uses polyurathamc etc..
Body of thermal insulating box 10 is made up of outer container 10s, interior case 10u, vacuum heat insulation materials 25 etc..Outer container 10s
Being thin iron plate, such as, make with the iron plate of wall thickness 0.5mm~0.4mm, interior case 10u is synthetic resin,
Such as make by ABS resin is carried out vacuum forming.
For more raising heat-insulating property, body of thermal insulating box 10 is provided with thermal conductivity ratio foamed thermal insulating 10p
The low vacuum heat insulation materials 25 of thermal conductivity.
Vacuum heat insulation materials 25 is by (aluminum film that wall is thin, having the stacking of metal vapor deposition layer with outsourcing material
Film) cladding stacking glass cotton etc., formed carrying out evacuation in outsourcing material afterwards.
The cold room 2 of the refrigerated storage temperature band in the case of refrigerator 1 and the upper strata refrigerating chamber 4 of cryogenic temperature band and
Ice-making compartment 3 (with reference to Fig. 1) is separated by adiabatic partition wall 28.Further, lower floor's refrigerating chamber of cryogenic temperature band
5 are separated by adiabatic partition wall 29 with the vegetable compartment 6 of the refrigerated storage temperature band of vegetable.
Upper strata refrigerating chamber 4, lower floor's refrigerating chamber 5 and vegetable compartment 6 are respectively equipped with and the front in respective room
Accommodating container 4b, 5b, the 6b of door 4a, 5a, 6a one being equipped with.Hands is placed on 4a, 5a, 6a
On not shown handle portion, go out accommodating container 4b, 5b, 6b to nearby layback together with door 4a, 5a, 6a.
Ice-making compartment 3 shown in Fig. 1 is the most identical, is provided with the ice container 3b (with reference to Fig. 2) with door 3a one, will
Hands is placed on the not shown handle portion of a 3a, goes out ice container 3b to nearby layback.
For cold air, on the top of cooler receiving room 8, wind path is to cold room 2 side and vegetable compartment 6
Side branch, a side via cold room air-supply passage 11 from be located at multilamellar blow-off outlet 2c (with reference to Fig. 2,
Fig. 3) it is sent to cold room 2.The opposing party via vegetable compartment air-supply passage 16b (with reference to Fig. 2) from being located at
The vegetable compartment blow-off outlet 6c (with reference to Fig. 3) of vegetable compartment 6 back side right upper portion flows into vegetable compartment 6, thus right
Vegetable compartment 6 cools down.
The cooling construction > of < refrigerator 1
Fig. 3 is the front view of the structure in the case representing refrigerator, is the configuration representing cold air path, blow-off outlet
Deng figure.Fig. 4 is the II portion expanded view of Fig. 2.
As in figure 2 it is shown, vaporizer 7 is located in cooler receiving room 8, this cooler receiving room 8 is provided to
The substantially back of lower floor's refrigerating chamber 5.As shown in Figure 2, Figure 4 shows, the lower section at cooler receiving room 8 possesses
Defrost heater 22.Above Defrost heater 22, in order to prevent defrosting water to Defrost heater 22
Drip, and be provided with upper lid 53 (with reference to Fig. 4).
Utilize pressure fan 9 in the case of the top being located at vaporizer 7, will be with via cold room air-supply passage 11
Vaporizer 7 carries out heat exchange and chilled air is (following, by the most chilled low temperature
Air is referred to as cold air) it is sent to cold room 2.
Further, cold air is cold through upper strata refrigerating chamber air-supply passage 12 (with reference to Fig. 4) as shown in Figure 4, lower floor
Freeze the air-supply passage of room 5 that is cold air path 13 (with reference to Fig. 3) and not shown ice-making compartment air-supply is logical
Road and be sent to upper strata refrigerating chamber 4, lower floor's refrigerating chamber 5, ice-making compartment 3.
Further, cold air is sent to vegetable compartment 6 via vegetable compartment air-supply passage 16b (with reference to Fig. 3).As
Shown in Fig. 2, cold room is passed through in the air-supply carried out towards cold room 2, refrigerating chamber 60, each room of vegetable compartment 6 respectively
The opening and closing of baffle plate 20, refrigerating chamber baffle plate 50 and vegetable compartment baffle plate 40 controls.
In refrigerator 1, vegetable compartment baffle plate 40 (with reference to Fig. 2) is configured at than lower floor refrigerating chamber 5 and vegetable compartment 6
Between adiabatic partition wall 29 on the lower, and be configured at the rear portion (back) of vegetable compartment 6.Therefore, utilize
The heat of vegetable compartment 6 carrys out the impact of freezing-inhibiting temperature, and obtain vegetable compartment baffle plate 40 freeze preventing effectiveness.
Further, owing to being provided with the vegetable compartment baffle plate 40 that cold air is carried out open and close controlling, institute near vegetable compartment 6
Can critically carry out the cold air control of vegetable compartment 6, thus moistening effect uprises.
Further, vegetable compartment air-supply passage 16b (with reference to Fig. 3) is configured at the region of cryogenic temperature band, at it
Terminal is configured with vegetable compartment baffle plate 40.Therefore, vegetable compartment air-supply passage 16b becomes and utilizes refrigerating chamber 60
Cold and hot and be maintained the state of low temperature such that it is able to suppression condensation caused by variations in temperature, the generation of icing.
And, as shown in the dotted line of Fig. 3, Fig. 2, cold room 2, ice-making compartment 3, upper strata refrigerating chamber 4, lower floor
Refrigerating chamber 5, vegetable compartment 6 each air-supply passage (11,12,13,16a, 16b) be located at each of refrigerator 1
The rear side of room (2,3,4,5).
As it is shown on figure 3, be configured in the wind path of depths, the right of refrigerator 1, nearby crosswind road is that vegetable compartment is sent
Wind passage 16b, inboard wind path is cold room backward channel 16a.
Specifically, when cold room baffle plate 20 is in open mode, cold air is via cold room air-supply passage
11 (with reference to Fig. 2) and be sent to cold room 2 from the blow-off outlet 2c being located at multilamellar.On the other hand, vegetable
When room baffle plate 40 is in open mode, cold air via vegetable compartment air-supply passage 16b from being located at vegetable compartment 6
The vegetable compartment blow-off outlet 6c (with reference to Fig. 3) of back side right upper portion flows into vegetable compartment 6, thus to vegetable compartment 6
Cool down.
As in figure 2 it is shown, complete the cold air after the cooling of vegetable compartment 6 from the bottom being located at adiabatic partition wall 29
The vegetable compartment suction inlet 29a at rear via vegetable compartment backward channel 29b from the left side being located at vaporizer 7
Vegetable compartment returns outlet 18a and flows into cooler receiving room 8.
< thermal insulation partition wall 29 >
Fig. 5 be pull down the upside partition wall of the adiabatic partition wall dividing refrigerating chamber and vegetable compartment form body after, fill out
Filling the top view of the state before foamed thermal insulating, Fig. 6 is the III-III sectional view of Fig. 5.Additionally, Fig. 6
In, represent the state after partition wall forms body 29k2 on the upside of installing, before filling with foam insulation materials 10p.
Fig. 7 is the lower separation wall shape observing the adiabatic partition wall dividing refrigerating chamber and vegetable compartment from front upper place
The axonometric chart of adult.
Adiabatic partition wall 29 includes that upside partition wall forms body 29k2, lower separation wall forms body 29k1, absolutely
Hot body 28, adiabatic space 29d fill foamed thermal insulating 10p and be fixed on lower separation wall shape
The vacuum heat insulation materials 32 of adult 29k1 and constitute.Additionally, Fig. 6 represents filling with foam insulation materials 10p
Before, thus not shown foamed thermal insulating 10p.
As shown in Figure 6, being formed with adiabatic space 29d at adiabatic partition wall 29, this adiabatic space 29d is
Space and the space of filling with foam insulation materials 10p at central part configuration vacuum heat insulation materials 32.
The upside partition wall of the exterior contour forming adiabatic partition wall 29 forms body 29k2 and lower separation wall
Form body 29k1 by forming synthetic resins such as PP (polypropylen: polypropylene).
Insulator 28 is formed at the vaporizer requiring dimensional accuracy by polystyrene (foam plastics) etc.
Around groove portion 29c.Owing to requiring dimensional accuracy around evaporation tank portion 29c, it is difficult to protect so not using
The foamed thermal insulating 10p of card dimensional accuracy, and use insulator 28.
As it is shown in fig. 7, form the inboard of body 29k1 in lower separation wall, it is formed and cooler receiving room
8 (with reference to Fig. 2) continuous print evaporation tank portion 29c, it is the most recessed that this evaporation tank portion 29c has central part
Under concave shape.In the central authorities of evaporation tank portion 29c, along vertical through be provided with and discharge dew
Osculum 29c1 (with reference to Fig. 5).
The left side forming body 29k1 in lower separation wall is inboard, is formed with the flexible cord of storage refrigerator 1, aftermentioned
The wiring incorporating section 29s, this wiring incorporating section 29s of wiring of heater T have rectangular-shaped recessed
Shape.
Form the lower right side of the wiring incorporating section 29s of body 29k1 in lower separation wall, be formed for making
Cool down the cold air after vegetable compartment 6 described later and return the vegetable compartment backward channel 29b (ginseng of cooler receiving room 8
According to Fig. 6).
The right side forming body 29k1 in lower separation wall is inboard, is formed with tap the most throughly
29e (with reference to Fig. 7), this tap 29e enters in vegetable compartment 6 to make the cold air of cooler receiving room 8
Row cools down and discharges the cold air of cooler receiving room 8 to vegetable compartment 6.It is provided with in the lower section of tap 29e
Vegetable compartment blow-off outlet 6c (with reference to Fig. 3).
As shown in Figure 6, at the lower left quarter rear of adiabatic partition wall 29, opening has for making cooling vegetable compartment
Cold air after 6 returns the vegetable compartment suction inlet 29a of cooler receiving room 8.And, in partition wall 29 bottom,
Vegetable compartment backward channel 29b, this vegetable compartment backward channel it is formed with to rear from vegetable compartment suction inlet 29a
29b is communicated to and cooler receiving room 8 (with reference to Fig. 2) continuous print evaporation tank portion 29c.
Owing to evaporation tank portion 29c has the shape of complexity, so being difficult to filling with foam insulation materials 10p.
Therefore, the adiabator that insulator 28 is such, be made up of is used other parts employing foam plastics.
Further, when the peristome (front side of body of thermal insulating box 10) of body of thermal insulating box 10 is observed, tank portion is evaporated
Being to become the heavy part cut near 29c, the foam device used when utilizing filling with foam insulation materials 10p is difficult
To be sufficiently carried out pressing.
Cooler receiving room 8 above evaporation tank portion 29c is provided with vaporizer 7 (with reference to Fig. 2).?
Cooler receiving room 8, time viewed from above, is provided with evaporation in the position shown in the double dot dash line of Fig. 5
Device 7.
But, in adiabatic partition wall 29 discharge the tap 29e of cold air to vegetable compartment 6 and sucking-off is cold
But the vegetable compartment suction inlet 29a of the cold air after vegetable compartment 6 is positioned at close distance, but as in figure 2 it is shown, by
In being configured with accommodating container 6b in vegetable compartment 6, so cold air disperses because of accommodating container 6b etc., thus
Cooling on vegetable compartment 6 does not produce impact.
As shown in Figure 5, Figure 6, in the bottom of partition wall 29, time viewed from above, throughout left and right directions
End and arrive across central part from the front side in depth direction rear ground, to have bigger area
Mode arranges vacuum heat insulation materials 32.Vacuum heat insulation materials 32 improves the energy saving of refrigerator 1, thus by it
Be configured at refrigerator 1 separates lower floor's refrigerating chamber 5 and the adiabatic partition wall 29 of vegetable compartment 6.Vacuum heat insulating material
Material 32 is the most large-scale such that it is able to improve energy-saving effect.
As it is shown in figure 5, vacuum heat insulation materials 32 has flat rectangular shape.
When forward observation, the width ratio vaporizer of vacuum heat insulation materials 32 7 (with reference to Fig. 5) laterally wide
Degree is big.Further, when forward observation, it is the inboard configuration vegetable compartment suction inlet at vacuum heat insulation materials 32
29a (with reference to Fig. 6) and tap 29e reference Fig. 5) position relationship.
Additionally, vegetable compartment suction inlet 29a can also be configured at the lower section of vacuum heat insulation materials 32.In these feelings
Under condition, vegetable compartment backward channel 29b is located at the lower section of vacuum heat insulation materials 32.
As result, when from forward observation or time viewed from above, vegetable compartment suction inlet 29a is positioned at very
In the projection of empty adiabator 32.
When from forward observation, tap 29e is positioned on the perspective plane of vacuum heat insulation materials 32.
By above-mentioned structure, vacuum heat insulation materials 32 can be with the left and right ora terminalis close to adiabatic partition wall 29
Mode configure.In other words, vacuum heat insulation materials 32 can configure until the left and right of adiabatic partition wall 29
Each ora terminalis.
As shown in Figure 6, be as noted previously, as adiabatic partition wall 29 vegetable compartment backward channel 29b and
Dimensional accuracy is required, so accommodating insulator 28 near evaporation tank portion 29c.
< heater T >
Vacuum heat insulation materials 32 compared with foamed thermal insulating 10p, the lowest 1 figure place of thermal conductivity.Such as,
Thermal conductivity 0.033w/m about k relative to foamed thermal insulating 10p, the heat conduction of vacuum heat insulation materials 32
Rate for example, 0.005w/m about k.
In vegetable compartment 6 that adiabatic partition wall 29 is separated and lower floor's refrigerating chamber 5, vegetable compartment 6 is with vegetable
Refrigerated storage temperature band is cooled, and lower floor's refrigerating chamber 5 is cooled with cryogenic temperature band.Therefore, vegetable compartment 6 with under
Temperature difference between layer refrigerating chamber 5 is big.
Herein, the low situation of temperature is compared with the situation that temperature is high, and water quantities contained in air is (definitely
Humidity) less.Therefore, adiabatic partition wall 29 carries out thermal insulation merely with foamed thermal insulating 10p
Position thermal insulation compared with the position arranging vacuum heat insulation materials 32 is relatively low, thus in this condition, with
The side more relative than the vegetable compartment 6 of lower floor refrigerating chamber 5 high temperature produces condensation.
Therefore, in refrigerator 1, by configuring heater T at the position that can produce condensation, and by improving
Temperature, suppresses the generation of condensation.It is to say, in the vertical view shown in Fig. 5, heater T (Fig. 5
In represent with the symbol 7 of thick line) in longer rectangular district, the left and right at the rear of vacuum heat insulation materials 32
Territory is laid.Heater T is formed by the sheathed heater helically accommodating nichrome wire.
Fig. 8 is the cross-sectional schematic of the situation that arranges representing heater.
Heater T is fixed on lower separation wall and forms body 29k1 by splicing tape t.On heater T
It is coated with aluminium foil al in a contact fashion.Aluminium foil al is used for the conduction of heat of heater T to broad region,
It is arranged at the generally rectangular region that left and right directions is longer.
In this refrigerator 1, owing to vacuum heat insulation materials 32 can be configured significantly in adiabatic partition wall 29,
It is possible to reduce the setting area of heater T.Therefore, the length of heater T is shorter, thus
Aluminium foil al can be completed with less area.
The length of heater T can reduce 20% compared with conventional refrigerator.Therefore, it is possible to reduce 20%
The manufacturing cost of heater T.Further, as shown in Figure 5, it is possible to make aluminium foil al be shaped as close to than
Less rectangular shape.Therefore, discarded by severing in aluminium foil al position is less.Further, by
In aluminium foil al can be made to be smaller rectangle, so the shape that aluminium foil is the least.The most just
Being to say, aluminium foil al is less shape, and the part discarded is less such that it is able to reduce aluminium foil
The production cost of al.
The making > of < thermal insulation partition wall 29
When carrying out the making of adiabatic partition wall 29, by splicing tape t, heater T is attached at downside and divides
Next door forms the rear portion of body 29k1, and arranges aluminium foil al by splicing tape etc. in the way of covering heater T.
Further, vacuum heat insulation materials 32 is pasted by adhesive tape etc. in the front side forming body 29k1 in lower separation wall.And
And, on the upside of combination, partition wall forms body 29k2 and lower separation wall forms body 29k1 and integrally assembles
After body of thermal insulating box 10 (with reference to Fig. 2), in adiabatic partition wall 29 except evaporation tank portion 29c and
Whole region outside insulator 28, heater T, vacuum heat insulation materials 32, injects polyurethane resin also
It is allowed to foam, thus fills and formed foamed thermal insulating 10p.
According to said structure, play following effect.
1. conventional, as shown in Figure 9, Figure 10, (vegetable compartment returns logical the circulating cold air wind path of vegetable compartment 6
Road 29b) in adiabatic partition wall 29 between lower floor's refrigerating chamber 5 and vegetable compartment 6 by vegetable compartment 6
Direction before and after side, when arranging vacuum heat insulation materials 32, needs to avoid this wind path.
Therefore, in this refrigerator 1, it is by vegetable compartment suction inlet 29a being changed to from nearby side inboard, coming
The position of vegetable compartment backward channel 29b is configured at the structure of the rear side of vacuum heat insulation materials 32.So,
In order to configure vacuum heat insulation materials 32, and define from the central authorities of adiabatic partition wall 29 to toe lateral substantially time
And the smooth space of whole width (the paper left and right directions of Fig. 5).Configured by the space smooth at this
Vacuum heat insulation materials 32, it is possible to make vacuum heat insulation materials 32 become bigger shape.In other words, vegetable compartment
The vegetable compartment suction inlet 29a of the cold air return port of 6 is positioned at the rear of vacuum heat insulation materials 32.
As result, when from forward observation, the transverse width of vacuum heat insulation materials 32 is than vaporizer 7
Transverse width is big.
Herein, it is also possible to vegetable compartment suction inlet 29a is located at the lower section of vacuum heat insulation materials 32.In these feelings
Under condition, vegetable compartment backward channel 29b is located at the lower section of vacuum heat insulation materials 32 or with exhausted across vacuum
The mode of hot material 32 is located at top.
In sum, when master regards or is viewed from above, the cold air that the cold air after cooling vegetable compartment 6 returns
The vegetable compartment suction inlet 29a of return port is positioned on the perspective plane of vacuum heat insulation materials 32.
Further, when from forward observation, discharge the cold air that vegetable compartment 6 cools down in vegetable compartment 6
Tap 29e is positioned on the perspective plane of vacuum heat insulation materials 32.And, as it is shown in fig. 7, storage heating
The wiring incorporating section 29s in the storage place of the wiring of device T and the flexible cord of refrigerator 1 becomes and is positioned at vacuum heat insulating material
The position relationship at the rear of material 32.
2. as it has been described above, by increase vacuum heat insulation materials 32, it is possible to suppression from lower floor's refrigerating chamber 5 towards vegetables
The heat conduction (heat leak) of dish room 6, the temperature of lower floor's refrigerating chamber 5 is difficult to rise, thus reduces and cool down
Number of times, and realize energy-saving.
3. high due to heat-insulating property than foamed thermal insulating 10p of the heat-insulating property of vacuum heat insulation materials 32,
So obtaining the thinner thickness required for identical heat-insulating property such that it is able to expand the volume in case.
Therefore, it is possible to increase the reserves of refrigerator 1.
4. from lower floor's refrigerating chamber 5 towards vegetable compartment 6 heat conduction time, lower floor's refrigerating chamber 5 side to vegetable compartment 6
Adiabatic partition wall 29 cool down, thus have the moisture produced in vegetable compartment 6 to reach dew point and water droplet
The worry of phenomenon (condensation).But, owing to arranging bigger vacuum heat insulation materials 32, so improving
Heat-insulating property thus suppress condensation.
5. conventional, heater T is set to be not up to dew point to add thermal insulation partition wall 29, but can
Narrow and the region of heater T is set.
Owing to vacuum heat insulation materials 32 can be increased, so each effect of 2~5 uprises.
6. it not the position on perspective plane of vacuum heat insulation materials 32, is laying the heater T of anti-condensation,
But owing to expanding the perspective plane of vacuum heat insulation materials 32, it is possible to reduce the area laying heater T.
7. vacuum heat insulation materials 32 can be configured to the both sides ora terminalis close to adiabatic partition wall 29.Change speech
It, the size between side edge and the side edge of vacuum heat insulation materials 32 of adiabatic partition wall 29 is narrower.Cause
This, it is possible to suppress the side end at adiabatic partition wall 29 to produce the condensation condensed.
8. realize the miniaturization of the parts such as heater T, aluminium foil al.Therefore, it is possible to reduce manufacturing cost and
Original cost can be reduced.
9. by the miniaturization of the parts such as heater T, aluminium foil al, it is possible to realize the site of storage of parts
Space saving.
10., more than, can realize reducing power consumption and there is the thermal insulation of the volume that can increase in case divide
The refrigerator 1 in next door 29.
Other embodiment > > of < <
The most above-mentioned vacuum heat insulation materials 32 can be dry type or wet type vacuum heat insulation materials in any one.
If using the vacuum heat insulation materials of wet type, then obtain dimensional accuracy such that it is able to avoid the parts with other to support
Connect such that it is able to use bigger vacuum heat insulation materials 32.The vacuum heat insulation materials of wet type refers to passing through
When wet type copy paper method manufactures non-woven fabrics, to make multiple inorfil be arranged in almost parallel with the surface of non-woven fabrics
The vacuum heat insulation materials of the generation of heat conduction is inhibited on direction.
2., more than, the various embodiments of the present invention are illustrated, but this explanation refers to typical reality
Execute mode.And, the most certainly can carry out more mode and enforcement.Therefore, originally
Invention can carry out various correction and change in the range of claims.
Claims (6)
1. a refrigerator, utilizes the cold air generated by vaporizer that internal food is carried out cold preservation or freezing
Preserve, it is characterised in that possess:
Body of thermal insulating box, it is filled with foamed thermal insulating between outer container and interior case;
Adiabatic partition wall, it is marking off cryogenic temperature band room and the vegetable compartment of above-mentioned body of thermal insulating box up and down, and
It is being internally formed adiabatic space;And
Vacuum heat insulation materials, it is configured at inside above-mentioned adiabatic partition wall,
When forward observation, the transverse width of above-mentioned vacuum heat insulation materials is than the transverse width of above-mentioned vaporizer
Greatly,
From forward observation or viewed from above time, cool down the cold air that the cold air after above-mentioned vegetable compartment is inhaled into and return
Answer back on the perspective plane being positioned at above-mentioned vacuum heat insulation materials.
Refrigerator the most according to claim 1, it is characterised in that
Above-mentioned cold air return port is positioned at the rear of above-mentioned vacuum heat insulation materials.
Refrigerator the most according to claim 1, it is characterised in that
When from forward observation, in above-mentioned vegetable compartment, discharge the discharge being used for cooling down the cold air of above-mentioned vegetable compartment
Hole is positioned on the perspective plane of above-mentioned vacuum heat insulation materials.
Refrigerator the most according to claim 1, it is characterised in that
Above-mentioned vacuum heat insulation materials is to configure in the way of the side edge of above-mentioned adiabatic partition wall.
Refrigerator the most according to claim 1, it is characterised in that
Heater is possessed at the position not configuring above-mentioned vacuum heat insulation materials,
Receiving the storage place of the wiring of above-mentioned heater and the flexible cord of above-mentioned refrigerator, to be configured at above-mentioned vacuum exhausted
The rear of hot material.
Refrigerator the most according to claim 1, it is characterised in that
Above-mentioned vacuum heat insulation materials is wet vacuum adiabator.
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JP2015-078724 | 2015-04-07 | ||
JP2015078724A JP6553922B2 (en) | 2015-04-07 | 2015-04-07 | refrigerator |
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CN106052248A true CN106052248A (en) | 2016-10-26 |
CN106052248B CN106052248B (en) | 2018-12-07 |
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CN201510854590.9A Active CN106052248B (en) | 2015-04-07 | 2015-11-30 | Refrigerator |
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CN (1) | CN106052248B (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111480045A (en) * | 2017-12-13 | 2020-07-31 | Lg电子株式会社 | Vacuum insulator and refrigerator |
CN111623588A (en) * | 2019-02-28 | 2020-09-04 | 日立环球生活方案株式会社 | Heat insulation box body and refrigerator with same |
US11248833B2 (en) | 2017-12-13 | 2022-02-15 | Lg Electronics Inc. | Vacuum adiabatic body and refrigerator |
US11320191B2 (en) | 2017-12-13 | 2022-05-03 | Lg Electronics Inc. | Vacuum adiabatic body and refrigerator |
US11493261B2 (en) | 2017-12-13 | 2022-11-08 | Lg Electronics Inc. | Vacuum adiabatic body and refrigerator |
US11768026B2 (en) | 2017-12-13 | 2023-09-26 | Lg Electronics Inc. | Vacuum adiabatic body and refrigerator |
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JP2020101351A (en) * | 2018-12-25 | 2020-07-02 | アクア株式会社 | refrigerator |
WO2020157825A1 (en) * | 2019-01-29 | 2020-08-06 | 三菱電機株式会社 | Refrigerator |
JP2020139653A (en) * | 2019-02-27 | 2020-09-03 | 日立グローバルライフソリューションズ株式会社 | refrigerator |
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CN111623588A (en) * | 2019-02-28 | 2020-09-04 | 日立环球生活方案株式会社 | Heat insulation box body and refrigerator with same |
Also Published As
Publication number | Publication date |
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CN106052248B (en) | 2018-12-07 |
JP2016200295A (en) | 2016-12-01 |
JP6553922B2 (en) | 2019-07-31 |
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Address after: Tokyo, Japan, Japan Patentee after: Hitachi Global Living Program Co., Ltd. Address before: Tokyo, Japan, Japan Patentee before: Hitachi Household Electric Appliance Co. |