CN1603728A - Refrigerator and its manufacturing method - Google Patents
Refrigerator and its manufacturing method Download PDFInfo
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- CN1603728A CN1603728A CN 200410069780 CN200410069780A CN1603728A CN 1603728 A CN1603728 A CN 1603728A CN 200410069780 CN200410069780 CN 200410069780 CN 200410069780 A CN200410069780 A CN 200410069780A CN 1603728 A CN1603728 A CN 1603728A
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Abstract
The invention provides a refrigerator capable of easily mounting a vacuum heat insulating material over an intersecting part of a heat insulating casing while securing the strength of an outer case part in which the vacuum heat insulating material is mounted. This refrigerator comprises the heat insulating casing 1 having the vacuum heat insulating material 20 between an outer case 2 and an inner case 4, and filled with a foamed heat insulating material 3. The vacuum heat insulating material 20 is constituted by integrating approximately flat rigid parts 20a, 20c having rigid core materials, and a flexible part 20b positioned between the rigid parts 20a, 20c, the flexible part 20b is mounted on the intersecting part of the heat insulating casing in a state that the flexible part 20b of the vacuum heat insulating material 20 is deformed, and the rigid parts 20a, 20c are positioned on a rear face of the plane part of the outer case 2.
Description
Technical field
The present invention relates to use the refrigerator and the manufacture method thereof of vacuum heat insulation materials.
Background technology
As patent documentation 1 (Japanese kokai publication hei 10-205989 communique, such Fig. 3), refrigerator as always use vacuum heat insulation materials, possess between outer container and interior case and set vacuum heat insulation materials, filling with foam insulation materials and form the body of thermal insulating box of adiabatic wall simultaneously, it is stepped that the vacuum heat insulation materials that is positioned at refrigerating chamber below is configured as along the shape of the diapire of body of thermal insulating box, this vacuum heat insulation materials is arranged on the inboard of diapire.
As patent documentation 2 (TOHKEMY 2001-165557 communique, such Fig. 1), another kind of refrigerator as always use vacuum heat insulation materials, possess between outer container and interior case and set vacuum heat insulation materials, filling with foam insulation materials and form the body of thermal insulating box of adiabatic wall simultaneously will cover by having the core that the cotton aggregate of flexual foliated glass constitutes and having the insulation that flexual vacuum heat insulation materials is provided in separation machinery chamber and refrigerating chamber with the gas barrier film.
In recent years, begin to adopt the vacuum heat insulation materials that heat-insulating property is better than urethanes foamed thermal insulating to be provided in the body of thermal insulating box that forms with the urethanes foamed thermal insulating, to seek energy-conservation refrigerator.If, significantly on the big as far as possible area of body of thermal insulating box, set vacuum heat insulation materials from advancing the energy-conservation of refrigerator to consider.Therefore, even at the bight and the bend of the body of thermal insulating box of refrigerator, be the part that adiabatic wall intersects, also wish to set vacuum heat insulation materials.The described content that aforesaid patent documentation 1 and patent documentation 2 are arranged as the scheme that this is paid attention to.
But,, be very difficult so use core shaping vacuum heat insulation materials with rigidity with the shape of such complexity because the refrigerator of patent documentation 1 uses along the stair-stepping vacuum heat insulation materials of the diapire shape of body of thermal insulating box.Therefore, can consider to have flexual core, form vacuum heat insulation materials along the stepped distortion of shape of the diapire of body of thermal insulating box by use in vacuum heat insulation materials is all.But, in the refrigerator that uses such vacuum heat insulation materials, because the rigidity of vacuum heat insulation materials itself is low, so just can not strengthen the diapire that sets this vacuum heat insulation materials fully.Therefore, when the manufacturing of refrigerator or when transporting etc., when the load of external load is applied on this bottom wall portion, there is the problem of its bottom wall portion easy deformation.
In addition, the refrigerator of patent documentation 2 is because all formation of its core has flexual vacuum heat insulation materials, so just can not strengthen the outer container of the part that sets this vacuum heat insulation materials fully.Therefore, when the manufacturing of refrigerator or when transporting etc., the load of external load is applied to this outer container when partly going up, and has the problem of this outer container part easy deformation.
Summary of the invention
The objective of the invention is to, a kind of intensity of the outer container part that can guarantee to be provided with vacuum heat insulation materials is provided and makes vacuum heat insulation materials cross over the cross section of body of thermal insulating box and the refrigerator that is provided with easily.
Another object of the present invention is, provide a kind of and can make vacuum heat insulation materials at an easy rate, can guarantee simultaneously to be provided with vacuum heat insulation materials the outer container part intensity and make vacuum heat insulation materials cross over the cross section of body of thermal insulating box and the manufacture method of the refrigerator that is provided with easily.
In order to achieve the above object, refrigerator of the present invention possess between outer container and interior case, set vacuum heat insulation materials in, the body of thermal insulating box of filling with foam insulation materials, it is characterized in that, above-mentioned vacuum heat insulation materials possesses: have the flexual flexible of flat a plurality of rigid portion of core and having between above-mentioned a plurality of rigid portion portion, the above-mentioned flexible portion of crooked above-mentioned vacuum heat insulation materials, above-mentioned flexible portion is configured in the cross section of above-mentioned body of thermal insulating box, above-mentioned rigid portion is configured in the inside of the planar section of above-mentioned outer container.
As the preferred example of the present invention be, above-mentioned flexible portion is had the bight that is configured in above-mentioned outer container with gap, in above-mentioned gap, fill above-mentioned foamed thermal insulating.
In addition, be to be set up in parallel flat rigid portion integratedly and between above-mentioned rigid portion, to have the flexible portion of pliability core and constitute above-mentioned vacuum heat insulation materials with rigidity core as the preferred example of the present invention.
In addition, be, between 2 lining materials, be set up in parallel and hold the core of the core of rigidity and powdery and constitute above-mentioned rigid portion and above-mentioned flexible portion that at least one side of above-mentioned flexible portion is established the wedge shape mouth as the preferred example of the present invention.
In addition, be that the opposite side of above-mentioned flexible portion has protuberance, raised part is configured in the bight side of above-mentioned outer container as the preferred example of the present invention.
In order to reach another above-mentioned purpose, the manufacture method of refrigerator of the present invention is, after having set vacuum heat insulation materials between outer container and the interior case, filling with foam insulation materials and shaping body of thermal insulating box, it is characterized in that, the configuration mode of above-mentioned vacuum heat insulation materials is, be set up in parallel rigid portion integratedly and between this rigid portion with rigidity, has flexual flexible portion, make above-mentioned vacuum heat insulation materials form tabular, make the above-mentioned flexible portion distortion of this vacuum heat insulation materials, make above-mentioned flexible portion be positioned at the cross part of above-mentioned body of thermal insulating box, and make above-mentioned rigid portion be positioned at the inside of the planar section of above-mentioned outer container.
Adopt refrigerator of the present invention, constitute above-mentioned vacuum heat insulation materials owing to being set up in parallel flat rigid portion integratedly and between above-mentioned rigid portion, having flexual flexible portion with rigidity core, under the state of the above-mentioned flexible portion distortion that makes above-mentioned vacuum heat insulation materials, when above-mentioned flexible portion is configured in the cross section of above-mentioned body of thermal insulating box, above-mentioned rigid portion is configured in the inside of the planar section of above-mentioned outer container, so can guarantee to be provided with the intensity of the outer container part of vacuum heat insulation materials, and make vacuum heat insulation materials cross over the cross section of body of thermal insulating box and be provided with easily.
In preference of the present invention, because above-mentioned flexible portion is had the bight that is configured in above-mentioned outer container with gap, in above-mentioned gap, fill above-mentioned foamed thermal insulating, even so establish necessary flange part and so in the bight of outer container in order to assemble outer container, the flexible portion of vacuum heat insulation materials can not constitute obstruction yet, and can guarantee the intensity in outer container bight by foamed thermal insulating.
In preference of the present invention, owing to the flexible portion that is set up in parallel the flat rigid portion with rigidity core integratedly and has a pliability core between above-mentioned rigid portion constitutes above-mentioned vacuum heat insulation materials, so can make the cross section of the adiabatic enlarged areas of vacuum heat insulation materials, thereby can seek the raising of heat-insulating property to body of thermal insulating box.
In the preferred example of the present invention, owing to the core that is set up in parallel between 2 lining materials and hold the core of rigidity and powdery constitutes above-mentioned rigid portion and above-mentioned flexible portion, at least one side of above-mentioned flexible portion forms the wedge shape mouth, so utilize the wedge shape mouth of flexible portion, flexible portion can easily be out of shape, and can improve the setting operation of vacuum heat insulation materials significantly.
In the preferred example of the present invention, owing to the core that is set up in parallel between 2 lining materials and hold the core of rigidity and powdery constitutes above-mentioned rigid portion and above-mentioned flexible portion, when at least one side of above-mentioned flexible portion forms the wedge shape mouth, the opposite side of above-mentioned flexible portion forms protuberance, the bight side of raised part being held and is configured in above-mentioned outer container, so utilize the wedge shape mouth of flexible portion, flexible portion easily is out of shape, when can improve the setting operation of vacuum heat insulation materials significantly, make the cross section of vacuum heat insulation materials enlarged-area, thereby can improve heat-insulating property to body of thermal insulating box.
Adopt the manufacture method of refrigerator of the present invention, owing to be set up in parallel rigid portion integratedly and between this rigid portion with rigidity, have flexual flexible portion and form to tabular above-mentioned vacuum heat insulation materials substantially, make the above-mentioned flexible portion distortion of this vacuum heat insulation materials, because the setting of above-mentioned vacuum heat insulation materials makes above-mentioned flexible portion be positioned at the cross section of above-mentioned body of thermal insulating box, and make above-mentioned rigid portion be positioned at the inside of the planar section of above-mentioned outer container, so can make vacuum heat insulation materials at an easy rate, can guarantee simultaneously to be provided with the intensity of the outer container part of vacuum heat insulation materials, and can make vacuum heat insulation materials cross over the cross section of body of thermal insulating box and be provided with easily.
Description of drawings
Fig. 1 is the longitudinal section of the refrigerator of expression the 1st embodiment of the present invention.
Fig. 2 is the profile that the A portion of Fig. 1 amplifies.
Fig. 3 is the profile of independent state of the vacuum heat insulation materials 20 of the refrigerating chamber side in the refrigerator of load map 1.
Fig. 4 is the profile that the B portion of Fig. 1 amplifies.
Fig. 5 is the profile of independent state of the vacuum heat insulation materials 30 of the refrigerating chamber side in the refrigerator of load map 1.
Fig. 6 is the key diagram of the refrigerator of the 2nd embodiment of the present invention.
Fig. 7 is the profile of pith of the refrigerator of the 3rd embodiment of the present invention.
Fig. 8 is the profile of the independent state of the vacuum heat insulation materials that uses of the refrigerator of Fig. 7.
The specific embodiment
Below, use description of drawings a plurality of embodiment of the present invention.
The refrigerator of the 1st embodiment of the present invention is described with Fig. 1～Fig. 5.
At first, with reference to Fig. 1, the overall structure of the refrigerator of present embodiment is described.Fig. 1 is the longitudinal section of the refrigerator of expression the 1st embodiment of the present invention.
The body of thermal insulating box 1 of refrigerator be the outer container 2 of steel plate system and plastic in set vacuum heat insulation materials 20,30,30A between the case 4, filling with foam insulation materials 3 and forming simultaneously.Foamed thermal insulating 3 is made of the urethanes that itself has bonding force etc., with outer container 2, vacuum heat insulation materials 20,30,30A and in case 4 bonding.
Vacuum heat insulation materials 20 be set up in parallel integratedly with tabular, have two rigid portion 20a, 20c of rigidity and between these two rigid portion 20a, 20c, have a flexual flexible 20b of portion.In addition, vacuum heat insulation materials 20 is located in the body of thermal insulating box 1 under the state that makes the 20b of this flexible portion distortion, thereby makes the 20b of flexible portion be configured in the cross section of body of thermal insulating box 1, makes rigid portion 20a, 20c be configured in the inside of the planar section of outer container 2 simultaneously.Specifically, according in the adiabatic wall of the body of thermal insulating box 1 that forms refrigerating chamber 5a, vegetable compartment 5b, covering refrigerating chamber 5a like that and stacked with aforesaid foamed thermal insulating 3, set the vacuum heat insulation materials 20 better, to reduce from the heat leakage amount of on every side adiabatic wall 3a, the 3c of refrigerating chamber 5a than foamed thermal insulating 3 heat-insulating properties.
In order to reduce, with the inner face driving fit of the end face 2a of outer container 2 and the rigid portion 20a of vacuum heat insulation materials 20 is set from the heat leakage amount of the end face adiabatic wall 3a of body of thermal insulating box 1 with for humidification.Promptly, even the end face 2a of outer container 2 is used as articles holding table, externally load load is applied to the occasion on the end face 2a, also can bear this external load load in order to make end face 2a, makes that rigid portion 20a with vacuum heat insulation materials 20 is arranged on the inboard of end face 2a and the structure that plays humidification.
In addition, reinforcement when carrying from the heat leakage amount of back side adiabatic wall 3c and as refrigerator etc. in order to reduce, with the inner face driving fit of the rigid portion 20c of vacuum heat insulation materials 20 and backplate 7 be arranged in the back side adiabatic wall 3c of the body of thermal insulating box 1 that forms the refrigerating chamber back side.Promptly, even the external load load is applied to the occasion on the refrigerator backplate 7 when refrigerator is carried etc., in order to make this backplate 7 also can bear this external load load, make on the inner face that rigid portion 20c with vacuum heat insulation materials 20 is arranged on the backplate 7 in the adiabatic wall 3c of the back side and play the structure of humidification.
And the rigid portion 20a of vacuum heat insulation materials 20,20c form one with the 20b of flexible portion of vacuum heat insulation materials 20 near the intersection of the adiabatic wall of body of thermal insulating box 1.
Vacuum heat insulation materials 30 be set up in parallel integratedly with tabular, have two rigid portion 30a, 30c of rigidity and between these two rigid portion 30a, 30c, have a flexual flexible 30b of portion.In addition, vacuum heat insulation materials 30 by the 30b of flexible portion being configured in the cross section of body of thermal insulating box 1, is configured in rigid portion 30a, 30c the inside of the planar section of outer container 3 simultaneously, thereby is located in the body of thermal insulating box 1 under the state that makes the 30b of this flexible portion distortion.Specifically, such according in the adiabatic wall of the body of thermal insulating box 1 that forms refrigerating chamber 6a, 6b, covering vegetable compartment 5b, refrigerating chamber 6a, and it is stacked with aforesaid foamed thermal insulating 3, set the vacuum heat insulation materials 30 better, to reduce from the heat leakage amount of on every side adiabatic wall 3d, the 3f of vegetable compartment 5b, refrigerating chamber 6a than foamed thermal insulating 3 heat-insulating properties.
Enhancing when carrying from the heat leakage amount of the back side adiabatic wall 3d of the body of thermal insulating box 1 that forms vegetable compartment 5b, refrigerating chamber 6a and bottom surface adiabatic wall 3f and for refrigerator etc. in order to reduce, with the inner face driving fit of the backplate 7 of outer container 2 and base plate 8 rigid portion 30a, the 30c of vacuum heat insulation materials 30 be set.That is, though when refrigerator is carried etc. the external load load be applied to refrigerator backplate 7 and the occasion on the base plate 8, also can bear this external load load for making backplate 7 and base plate 8, the enhancing structure is arranged on the inboard of the inner face and the base plate 8 of backplate 7.And the rigid portion 30a of vacuum heat insulation materials 30,30c form one with the 30b of flexible portion of vacuum heat insulation materials 30 near the intersection of the adiabatic wall of body of thermal insulating box 1.
The configuration of vacuum heat insulation materials 30A make below refrigerating chamber 6b constitute adiabatic wall and with the inside driving fit of interior case 4.
Body of thermal insulating box 1 is made of each adiabatic wall of end face adiabatic wall 3a, back side adiabatic wall 3c, 3d, bottom surface adiabatic wall 3e and side adiabatic wall.In body of thermal insulating box 1, form a plurality of storerooms of front wedge shape mouth.These storerooms are formed by interior case 4 and next door.These storerooms are divided into refrigerating chamber 5a, vegetable compartment 5b, refrigerating chamber 6a and refrigerating chamber 6b4 layer respectively from top to bottom according to this by configuration up and down.These storerooms 5a, 5b, 6a, 6b are cooled to the low temperature of suitable regulation respectively by cooler 61.In addition, the wall thickness of each face of heat guard 1 is about 20～50mm.
Being arranged so that of door 5c, 5d, 6c, 6d can switch storeroom 5a, the front wedge shape mouth of 5b, 6a, 6b.Making the door 5c that closes the front wedge shape mouth of the refrigerating chamber 5a that is positioned at topmost to be opened/closed is installed on the body of thermal insulating box 1 pivotally.Make drawer type door 5d, the 6c that closes the wedge shape mouth front of vegetable compartment 5b, refrigerating chamber 6a and refrigerating chamber 6b to be opened/closed, and 6d at its back side food storage containers is installed respectively.As required, door 5c, 5d, 6c, 6d also can be provided with vacuum heat insulation materials.
Refrigerant cycles is by connecting formations such as compressor 62, condenser 63, decompressor, cooler 61 successively.Compressor 62, condenser 63 are configured in the Machine Room of the lower backside that is located at body of thermal insulating box 1.Cooler 61 is configured in the case of refrigerator.Pressure fan 64 is to storeroom 5a, 5b, 6a, 6b cool-air feed and be used to cool off each storeroom, and is configured in the case of refrigerator.
Below, with reference to Fig. 2, the relation of vacuum heat insulation materials 20 and body of thermal insulating box 1 is described.Fig. 2 is the profile that the A portion of Fig. 1 amplifies.
Cross part 3b in the part of intersecting as the back side adiabatic wall 3c of end face adiabatic wall 3a and refrigerating chamber is provided with than the better flexible 20b of portion of foamed thermal insulating 3 heat-insulating properties of cross part 3b.By this, can reduce heat leakage amount from cross part 3b.The 20b of flexible portion is configured to have the gap between the circular-arc bight that makes end face 2a and backplate 7 by outer container 2 form.Filling with foam insulation materials 3 in this gap.Thereby,, also can dispose vacuum heat insulation materials 20, simultaneously the bight that can strengthen outer container 2 by the foamed thermal insulating 3 of filling the gap with flexible portion even there is barrier (for example, for flange part that outer container 2 necessity are installed etc.) in the bight of outer container 2.
In addition, from the intensity aspect of body of thermal insulating box, the gauge T2 of vacuum heat insulation materials 20 be taken as body of thermal insulating box adiabatic wall gauge T1 1/2～1/3.In addition, from advancing the energy-conservation aspect of refrigerator,, also the gauge T2 of vacuum heat insulation materials can be set at the thickness identical substantially with the adiabatic wall gauge T1 of body of thermal insulating box as long as the intensity of body of thermal insulating box allows.In addition, from reducing manufacturing cost, preferably the gauge T2 with vacuum heat insulation materials is taken as littler.
Below, with reference to Fig. 3, the formation and the making of vacuum heat insulation materials 20 are described.Fig. 3 is the profile of independent state of the vacuum heat insulation materials 20 of the refrigerating chamber side in the refrigerator of load map 1.Vacuum heat insulation materials 20 expression of Fig. 3 be state before packing in the body of thermal insulating box 1 of refrigerator.In addition, this vacuum heat insulation materials 20 makes periphery bend to plane projection face rear flank, in the outer container 2 of packing into as shown in Figure 2.
Vacuum heat insulation materials 20 is made manufacturing go up the i.e. cardinal principle writing board shape of easy shape.Rigid portion 20a, 20c are the parts that vacuum heat insulation materials has rigidity, be to be roughly flat rigid portion, though its be arranged so that with the inner surface driving fit of the inner surface of end face 2a and backplate 7 to its apply the external load load, its structure also has the rigidity that can bear its external load load.
The 20b of flexible portion of vacuum heat insulation materials connects rigid portion 20a and rigid portion 20c in both sides and forms.In addition, the 20b of flexible portion forms that it is easy to manufacture, as shown in Figure 3 cardinal principle tabular when making, and still, its structure has pliability, makes it when packing refrigerator into, the deflection of the 20b of flexible portion energy itself, and bend to predetermined angle θ 4 (with reference to Fig. 2).That is, in the inboard of bend, many places are provided with the wedge shape mouth of the thickness of slab center side of going deep into the tabular vacuum heat insulation materials as wedge shape mouth 22a, 22b, 22c, in the outside of bend, establish recess 21a, 21b, the 21c corresponding with above-mentioned wedge shape mouth.In other words, the 20b of flexible portion power effect one side that when bending, stretched, lining material 21 is established recess 21a, 21b, 21c, one side of power effect by compression when bending, lining material 22 is established wedge shape mouth 22a, 22b, 22c.By this, the 20b of flexible portion can easily bend to predetermined angle θ 4.
The wedge shape bicker degree θ 1 of wedge shape mouth depth D 1, D2, D3 and the regulation that the wedge shape mouth 22a of lining material 22,22b, 22c are set at regulation respectively, θ 2, θ 3.Promptly, when being bent to wedge shape bicker degree θ 1, θ 2, θ 3 and being respectively zero, its structure makes the angle of the 20b of flexible portion integral body become θ shown in Figure 24, and lining material 22 can such wedge shape mouth depth D 1, D2, the D3 of damaged yet under case of bending even form.In addition, recess 21a, the 21b of lining material 21,21c, when the 20b of flexible portion is bent to the angle θ 4 of regulation, because the effect of tensile force itself is extended the lining material 21 of notch part, notch depth D4, D5 and D6 are set at the size of regulation, thereby make lining material 21 own injury-free.
In addition, preferred aspect bendability, be deep into the about below 1/2 of wall thickness dimension D7, D8 between the top of recess 21a, 21b, 21c and wedge shape mouth 22a, 22b, 22c of the thickness of slab center side of tabular vacuum heat-insulating plate 20, thickness of slab size T2 that D9 is tabular vacuum heat insulation materials 20.
Below, the concrete formation of vacuum heat insulation materials 20 is described with reference to Fig. 3.
Core 24 is provided in a side of the core in the 20b of flexible portion, be powdery with SiO 2 powder or the scrappy product of glass fibre etc. through pulverizing form have a flexual core.This has flexual core 24, forms cardinal principle tabular as shown in Figure 3 during manufacturing, when packing refrigerator into, as shown in Figure 2, has the such pliability of angle θ 4 of the regulation of being bent to.Only form though core 24 is preferred,, also can add the binding agent of inorganic system such as waterglass on a small quantity according to the degree of the angle θ 4 that makes the crooked regulation in back with the powdery of SiO 2 powder or the scrappy product of glass fibre etc. through pulverizing.
In addition, wedge shape mouth 22a, the 22b of lining material and depth dimensions D1, the D2 of 22c and D3 or wedge shape bicker degree θ 1, θ 2 and θ 3 set this depth dimensions or wedge shape bicker degree according to the flexual degree of the core 24 of the 20b of flexible portion or according to thickness T 2 sizes of vacuum heat insulation materials self.In addition, in the present embodiment, because the predetermined angle θ 4 of Fig. 3 is about about 90 degree, so when making vacuum heat insulation materials 20, though be configured as cardinal principle tabular (being that θ 5 is about 180 degree) as shown in figure 3, but the angle θ 4 of Fig. 2 is when spending little acute angle than 90, also the 20b of flexible portion can be made this occasion of angle θ 5{ (θ 5)＜(180 degree) of the regulation that bends to certain degree }.
The refrigerator of present embodiment is owing to be set up in parallel rigid portion 20a, the 20c with rigidity and have the flexual flexible 20b of portion in flat vacuum heat insulation materials, the part 3b that is formed in adiabatic wall 3a, 3c intersection has set the vacuum heat insulation materials 20 of the 20b of flexible portion, so the part 3b that plane adiabatic wall 3a, the 3c of body of thermal insulating box 1 need not, intersect until adiabatic wall 3a, 3c uses the vacuum heat insulation materials 20 of good adiabatic function to cover, thereby the coverage rate that has improved vacuum heat insulation materials 20 can be provided, reduced the energy-saving refrigerator of the heat leakage amount of body of thermal insulating box 1.
In addition, because being had flexual part 20b, vacuum heat insulation materials 20 makes tabular substantially, so vacuum heat insulation materials cheap for manufacturing cost can be provided.
In addition, owing to the rigid portion 20a with rigidity, the 20c of vacuum heat insulation materials 20 is provided in the inner face of outer container 2, can play humidification so have the vacuum heat insulation materials 20 of rigidity, even apply the external load load, the outer surface of body of thermal insulating box 1 also is difficult to distortion.
In addition, in the flexible part of vacuum heat insulation materials 20, fill the core 24 that constitutes by powder, owing to reduced the thickness of core 24 filling parts of powdery partly, the vacuum heat insulation materials 20 that will have this minimizing part bends to the angle of regulation, crooked in bending or the operating process in the refrigerator time so no matter pack into, also be difficult to damage the lining material 21,22 of vacuum heat insulation materials 20, can keep the kilter of heat-insulating property for a long time.And, because crooked flexible part as required, so carrying property and the good vacuum heat insulation materials 20 of keeping property can be provided.
Below, the relation of vacuum heat insulation materials 30 and body of thermal insulating box 1 is described with reference to Fig. 4.Fig. 4 is the profile that the B portion of Fig. 1 amplifies.
At the cross part 3e place that the back side of refrigerating chamber 6a adiabatic wall 3d and bottom surface adiabatic wall 3f intersect, be provided with the 30b of flexible portion than the better vacuum heat insulation materials 30 of heat-insulating property of the foamed thermal insulating of cross part 3e.By this, can reduce heat leakage amount from cross part 3e.For unfilled parts such as foamed thermal insulating do not take place for the bight (in other words, the corner of cross part 3e) of the 8a of portion in the backplate bottom 7a of cross part 3e and base plate, vacuum heat insulation materials 30 is provided with protuberance 30e.Promptly, after the cross part 3e place that adiabatic wall 3d, 3f intersect is provided with vacuum heat insulation materials 30, even foamed thermal insulatings 5 such as foam-in-place urethanes, for the not filling part of foamed thermal insulating 3 does not take place in the corner of cross part 3e yet, flexible the part of the 30b of portion form with the convex surface 32c of backplate bottom 7a driving fit and with base plate in the convex surface 32b of the 8a of portion driving fit.
Below, the formation and the making of vacuum heat insulation materials 30 are described with reference to Fig. 5.Fig. 5 is the profile of independent state of the vacuum heat insulation materials 30 of the refrigerating chamber side in the refrigerator of load map 1.State before the vacuum heat insulation materials 30 of Fig. 5 has been represented to pack in the body of thermal insulating box 1 of refrigerator.In addition, this vacuum heat insulation materials 30 is bending to periphery plane projection face one rear flank, in the outer container 2 of packing into as shown in Figure 4.
Vacuum heat insulation materials 30 is made into to make to go up and is easy to the i.e. cardinal principle writing board shape (θ 9 is roughly 180 degree) of shape. Rigid portion 30a, 30c are the parts that vacuum heat insulation materials 30 has rigidity, the external load load when being arranged to make it can bear the refrigerator carrying etc., and with the inner face driving fit of the inner face and the base plate 8 of backplate 7. Rigid portion 30a and 30c portion within it have the core 33 and 35 that the binding agent of inorganic systems such as waterglass is sneaked in glass fibre etc., had rigidity through hot forming.
The 30b of flexible portion of vacuum heat insulation materials 30 connects rigid portion 30a and rigid portion 30c in both sides and forms.The 30b of flexible portion portion within it has the flexual core 34 that has that powdery with SiO 2 powder or the broken glass fiber product through pulverizing etc. forms.In addition, the 30b of flexible portion is easy to manufacture for it, though form cardinal principle tabular as shown in Figure 5 during fabrication, its structure has pliability, makes the 30b of flexible portion itself crooked when packing refrigerator into, and bends to the angle θ 8 (with reference to Fig. 4) of regulation.Promptly, the 30b of flexible portion power effect one side that stretched when bending is established the recess 32a and the 32d of lining material 32, one side of power effect by compression when bending, if the wedge shape mouth 31a and the 31b of lining material 31, its structure makes the 30b of flexible portion can easily bend to the angle θ 8 of regulation.
The wedge shape mouth 31a of lining material 31 and 31b are set at the wedge shape bicker degree θ 6 and the θ 7 of the wedge shape mouth degree of depth and the regulation of regulation respectively.That is, when wedge shape bicker degree θ 6 and θ 7 were bent to zero respectively, its structure made the angle of the 30b of flexible portion integral body become θ shown in Figure 48, even and the degree of depth that forms the wedge shape mouth under the state of bending, can not damage lining material 31 yet.In addition, the setting of the recess 32a of lining material 32 and the degree of depth of 32d makes when the 30b of flexible portion is bent to the angle θ 8 of regulation, and the lining material 32 of notch part is own because of tensile force extends, and it is own can not damage lining material 32.In other words, as shown in Figure 5, inboard at bend, many places are provided with the wedge shape mouth as the thickness of slab side that is deep into the tabular vacuum heat insulation materials of wedge shape mouth 31a, 31b, in the outside of bend, recess 32a, the 32d corresponding with wedge shape mouth 31a, 31b is arranged to be deep into the shape of the thickness of slab center side of tabular vacuum heat insulation materials 30.
In addition, the protuberance 30e of the 30b of flexible portion forms, when making θ shown in Figure 59 be deformed into θ 8 shown in Figure 4, the surperficial 32e of the lining material of convex surface 32b and rigid portion 30a become same plane substantially and with the inner face driving fit of base plate 8, simultaneously, the surperficial 32f of the lining material of convex surface 32c and rigid portion 30c become same plane substantially and with the inner face driving fit of backplate 7.
In the present embodiment, in the 30b of flexible portion of vacuum heat insulation materials 30, fill the core 34 that constitutes by powder, owing to increase the thickness of core 34 filling parts of powdery partly, bight that adiabatic wall 3d, 3f intersect and the energy-saving refrigerator that all is provided with the vacuum heat insulation materials of excellent heat insulating performance until sweep the filling part of the powdery core 34 of this increase be provided in the place that adiabatic wall 3d, 3f intersect, so can be provided.
Below, the refrigerator of the 2nd embodiment of the present invention is described with Fig. 6.Fig. 6 is the key diagram of the refrigerator of the 2nd embodiment of the present invention.Fig. 6 (a) is the longitudinal section of this refrigerator of expression, and Fig. 6 (b), (c) are the forming processes that expression is used for the vacuum heat insulation materials of this refrigerator.In addition, in the explanation of the 2nd embodiment, the explanation of the repetition of omission and the 1st embodiment common ground.The common structure of the refrigerator of the 2nd embodiment and the 1st embodiment has identical effect.
Shown in Fig. 6 (a), the end face adiabatic wall of the body of thermal insulating box 9 of refrigerator and back side adiabatic wall form by the foamed thermal insulating 13 of urethanes etc. with than the stacked wall of the better vacuum heat insulation materials 40A of the heat-insulating property of foamed thermal insulating 13.The rigid portion of rear side that vacuum heat insulation materials 40A is equivalent to the vacuum heat insulation materials 20 of the 1st embodiment extends to form downwards.
Shown in Fig. 6 (a), the bottom adiabatic wall 9a of the body of thermal insulating box 9 of refrigerator forms by the foamed thermal insulating 13 of urethanes etc. with than the stacked wall of the better vacuum heat insulation materials 40 of the heat-insulating property of foamed thermal insulating 13.The bottom panel of bottom adiabatic wall 9a is made of with the ramped bottom surface plate 11 that is connected the 1st bottom panel 10 and the 2nd bottom panel 12 with the angle of stipulating the 1st bottom panel the 10, the 2nd bottom panel 12.By this, the bottom adiabatic wall of body of thermal insulating box 9 is made of horizontal upper part adiabatic wall, inclination adiabatic wall and horizontal lower adiabatic wall, and vacuum heat insulation materials 40 is crossed over each adiabatic wall configuration.
Shown in Fig. 6 (b), though the vacuum heat insulation materials 40 of foamed thermal insulating side that is arranged on bottom panel along the state setting of the warpage of the bottom panel of bottom adiabatic wall 9a, state such as Fig. 6 (c) are depicted as tabular substantially before the refrigerator of packing into.The structure of vacuum heat insulation materials 40 possesses rigid portion 40a, 40c and the 40e with rigidity and has the flexual flexible 40b of portion, 40d.
40b of flexible portion and 40d are forming tabular substantially shown in Fig. 6 (c) in its manufacture process, in the time of in the adiabatic wall of the refrigerator of packing into, can form stepped shown in Fig. 6 (b), and wedge shape oral area 42a or 41b and notch portion 41a or 42b constitute one.That is, by crooked flexible 40b of portion or 40d, make the wedge shape bicker degree θ 10 of 40b of flexible portion shown in Fig. 6 (c) or 40d and θ 11 become zero, thereby form the structure that angle is θ 12 or θ 13 that is provided with shown in Fig. 6 (b).
In addition, even the setting of recess 41a or 42b is for crooked flexible 40b of portion or 40d, do not damage vacuum heat insulation materials 40 yet.In other words, shown in Fig. 6 (c), inboard at bend, the wedge shape mouth as the thickness of slab center side that is deep into tabular vacuum heat insulation materials 40 of wedge shape mouth 42a, 41b is established in many places, in the outside of bend, recess 41a, the 42b corresponding with wedge shape mouth 42a, 41b is arranged to be deep into the thickness of slab center side of tabular vacuum heat insulation materials 40.
Adopt present embodiment, owing to have a plurality of flexible 40b of portion and 40d, so vacuum heat insulation materials 40 is applicable to the adiabatic wall of complicated shape.Even in such occasion, owing to enough vacuum heat insulation materials 40 is made tabular substantially, so can make easily and at an easy rate.
Below, the refrigerator of the 3rd embodiment of the present invention is described with Fig. 7 and Fig. 8.In addition, in the explanation of the 3rd embodiment, the explanation of the repetition of omission and the 1st embodiment common ground.The common structure of the refrigerator of the 3rd embodiment and the 1st embodiment has identical effect.
Fig. 7 is the profile of major part of the refrigerator of the 3rd embodiment of the present invention.As shown in Figure 7, cross part 3L is the part that refrigerator end face adiabatic wall 3K and back side adiabatic wall 3M intersect.At this cross section 3L, the better vacuum heat insulation materials 50 of foamed thermal insulating 3 heat-insulating properties than cross part 3L is set.By this, can reduce heat leakage amount from cross part 3L.That is, the vacuum heat insulation materials 50 usefulness flexible 50b of portion connect the 1st rigid portion 50a and the 2nd rigid portion 50c, by 50a1 of crest line portion and the 50c1 of this rigid portion 50a, 50c closely are set, can further reduce from the heat leakage amount of the cross part 3L of adiabatic wall.
In addition, common intensity aspect from body of thermal insulating box, though the gauge T7 of vacuum heat insulation materials 50 be taken as body of thermal insulating box adiabatic wall gauge T6 1/2～1/3, but, from advancing the energy-conservation aspect of refrigerator, also the gauge T7 of vacuum heat insulation materials can be set at the thickness identical substantially, in addition with the adiabatic wall gauge T6 of body of thermal insulating box, from reducing manufacturing cost, also can obtain the gauge T7 of vacuum heat insulation materials littler.
Fig. 8 is the profile of the vacuum heat insulation materials used of present embodiment 50 when making, the expression state before the body of thermal insulating box of refrigerator of packing into.Vacuum heat insulation materials 50 is made the shapes of θ 1 for cardinal principle 180 degree for ease of manufacturing.
Both sides at the 50b of flexible portion of vacuum heat insulation materials 50 link into an integrated entity the 1st rigid portion 50a and the 2nd rigid portion 50c.Thereby, form one by means of the 50b of flexible portion the 1st rigid portion 50a and the 2nd rigid portion 50c.Vacuum heat insulation materials 50 with have flexual lining material 51 and the 52 mutual driving fits formation flexible 50b of portion, form flexible one-tenth shape shown in Figure 7.The 50b of flexible portion constitutes with the width W 2 with regulation, thereby makes the 50a1 of crest line portion and the 50c1 of the rigid portion of the core 53 that includes excellent heat insulating performance or core 55 can be approaching when packing refrigerator into.
In addition, the lining material 51 and 52 that gas barrier property and flexual organic material film form vacuum heat insulation materials 50 that has by lining polyvinyl resin etc. on metal formings such as aluminium foil, but, only can form also that (this occasion W1＜W2) makes part 51a that has only organic material and the 52a that removes metal formings such as aluminium foil, thereby can further improve the pliability of the 50b of flexible portion with the size of the size W1 of the regulation in the width W 2 of the 50b of flexible portion.
Claims (6)
1. refrigerator, possess between outer container and interior case, set vacuum heat insulation materials in, the body of thermal insulating box of filling with foam insulation materials is characterized in that,
Above-mentioned vacuum heat insulation materials possesses: have the flexual flexible of flat a plurality of rigid portion of core and having between above-mentioned a plurality of rigid portion portion, the above-mentioned flexible portion of crooked above-mentioned vacuum heat insulation materials, above-mentioned flexible portion is configured in the cross section of above-mentioned body of thermal insulating box, above-mentioned rigid portion is configured in the inside of the planar section of above-mentioned outer container.
2. refrigerator according to claim 1 is characterized in that, above-mentioned flexible portion is had the bight that is configured in above-mentioned outer container with gap, fills above-mentioned foamed thermal insulating in above-mentioned gap.
3. refrigerator according to claim 1 is characterized in that, the flexible portion that is set up in parallel the flat rigid portion with rigidity core integratedly and has a pliability core between above-mentioned rigid portion is to constitute above-mentioned vacuum heat insulation materials.
4. refrigerator according to claim 3 is characterized in that, is set up in parallel between 2 lining materials and holds the core of the core of rigidity and powder and constitute above-mentioned rigid portion and above-mentioned flexible portion, and at least one side of above-mentioned flexible portion is established the wedge shape mouth.
5. refrigerator according to claim 4 is characterized in that, the opposite side of above-mentioned flexible portion has protuberance, raised part is configured in the bight side of above-mentioned outer container.
6. the manufacture method of a refrigerator, after having set vacuum heat insulation materials between outer container and the interior case, filling with foam insulation materials and the shaping body of thermal insulating box is characterized in that,
Be set up in parallel rigid portion integratedly with rigidity and between this rigid portion, have a flexual flexible portion, make above-mentioned vacuum heat insulation materials form tabular, make the above-mentioned flexible portion distortion of this vacuum heat insulation materials, set above-mentioned vacuum heat insulation materials and make above-mentioned flexible deploy cross section, and make above-mentioned rigid portion place the inside of the planar section of above-mentioned outer container in above-mentioned body of thermal insulating box.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003336741 | 2003-09-29 | ||
| JP2003336741A JP2005106311A (en) | 2003-09-29 | 2003-09-29 | Refrigerator and its manufacturing method |
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| Publication Number | Publication Date |
|---|---|
| CN1603728A true CN1603728A (en) | 2005-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410069780 Pending CN1603728A (en) | 2003-09-29 | 2004-07-19 | Refrigerator and its manufacturing method |
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| CN (1) | CN1603728A (en) |
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