CN105840957A - Vacuum heat insulation material, manufacturing apparatus for vacuum heat insulation material and heat insulation box using vacuum heat insulation material - Google Patents
Vacuum heat insulation material, manufacturing apparatus for vacuum heat insulation material and heat insulation box using vacuum heat insulation material Download PDFInfo
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- CN105840957A CN105840957A CN201510482288.5A CN201510482288A CN105840957A CN 105840957 A CN105840957 A CN 105840957A CN 201510482288 A CN201510482288 A CN 201510482288A CN 105840957 A CN105840957 A CN 105840957A
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- Prior art keywords
- insulation panel
- vacuumed insulation
- sealing
- crest
- packaging material
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
Abstract
To provide a vacuum heat insulation material, manufacturing apparatus for vacuum heat insulation material and heat insulation box using the vacuum heat insulation material capable of preventing formation of a through-hole ranging from a seal part to an inside part of an external capsule and keeping a high heat insulation performance for a long period of time. A vacuum heat insulation material comprises a core material made of fiber assembly, absorbent for absorbing at least moisture, and an external capsule for covering the core material and the absorbent, in which an internal part of the external capsule is sealed under reduced pressure. The circumferential edge of the external capsule is formed with a seal part, a sectional shape of at least a part of the seal part is a corrugated shape, and a pitch at a crest part of adjoining crest of corrugated shape and a pitch of bottom part of valley are 3 mm or less.
Description
Technical field
The present invention relates to Vacuumed insulation panel and manufacture device and employ the heat insulation of Vacuumed insulation panel
Case.
Background technology
As conventional Vacuumed insulation panel, it is known that be coated with by the set of glass fibre with outer packaging material
The Vacuumed insulation panel (patent documentation 1) of the core that body is constituted.This outer packaging material is will to have gas
Two of barrier are cladded with the mutual thermal welding of circumference of material (thin film) and are formed.Hereinafter,
The part of the heat-fused portion thermal welding each other being cladded with material by two is referred to as sealing.Outer packaging material interior
Portion is depressurized, and core is sealed in inside outer packaging material.In order to maintain heat-proof quality, need suppression
Gas is from the intrusion within the outside packaging material of sealing.As the intrusion having for suppressing gas
The Vacuumed insulation panel of structure, has following Vacuumed insulation panel: the side in sealing is cladded with material
Hot welding layer and the interval of the hot welding layer being cladded with material of the opposing party change continuously, thermal welding
There is heavy section and thinner wall section (patent documentation 2) in layer.By this structure, eliminate in thermal welding
The part of external force concentration of local in Ceng, makes the generation of crackle in gas-barrier layer, sealing
Fracture is not susceptible to, thus prevents the gas intrusion from fracture.Additionally, it is known that it is following
Vacuumed insulation panel: the weld portion being cladded with material by the weld portion utilizing heat-sealing to be formed and utilizes ultrasound wave
The weld portion that sealing is formed constitutes (patent documentation 3).In this thermal insulation barriers, utilize ultrasound wave
The weld portion that sealing is formed is positioned at the position of the weld portion outer circumferential side side that Billy is formed with heat-sealing,
The weld portion utilizing ultrasonic sealing function to be formed is formed with the hot welding layer part by thin-walled property.Root
According to this structure, a part for heat-fused portion is by thin-walled property, it is possible to suppression gas intrusion.
Patented technology document
Patent documentation
Patent documentation 1: No. 3580315 publications of Japanese Patent No.
Patent documentation 2: international publication number WO2010/029730
Patent documentation 3: No. 4701882 publications of Japanese Patent No.
Summary of the invention
The problem that invention is to be solved
In patent documentation 1, by thermal welding will be cladded with material three bandings close and be configured to bag
After the outer packaging material of shape inserts core, by outer packaging material inner pressure relief in relief chamber, will outward
The peristome thermal welding of packaging material and hermetic seal core, thus manufactured Vacuumed insulation panel.At this
Manufacture in device, there may come a time when to cause core due to the internal air-flow produced of packaging material outer during decompression
A part for the glass fibre of material is drifted about and rests on thermal welding position.In the case, then can
Carry out thermal welding having sandwiched the state of glass fibre in thermal welding position.Patent documentation 2 He
In patent documentation 3 similarly, it may occur that be sandwiched into thermal welding position with glass fibre
State carries out thermal welding.Thermal welding has been carried out in the state being sandwiched into heat-fused portion with glass fibre
In the case of, may be formed from sealing to the through hole within outer packaging material.Defining through hole
In the case of, the barrier properties for gases of sealing reduces and makes the vacuum within Vacuumed insulation panel
Reduce.Therefore, cannot long term maintenance high heat-proof quality in conventional Vacuumed insulation panel.It addition,
In patent documentation 1～3, it is likely to when thermal welding sandwich air at sealing.In these feelings
Also form through hole under condition and the vacuum within Vacuumed insulation panel is reduced, therefore, it is impossible to
To can the Vacuumed insulation panel of long term maintenance high heat-proof quality.
The present invention makes to solve problem as above, it is therefore intended that provides and prevents
Can long term maintenance high heat-proof quality true to the formation of the through hole within outer packaging material from sealing
Empty thermal insulation barriers, the manufacturing device and employ the hot box of this Vacuumed insulation panel of this Vacuumed insulation panel.
For solving the means of problem
The Vacuumed insulation panel of the present invention possesses: core, and it is made up of fiber assembly；Adsorbent,
Its at least adsorption moisture；And outer packaging material, it is coated with described core and described adsorbent；Described
The inside of outer packaging material is depressurized sealing, and wherein, the circumference at described outer packaging material is formed with sealing
Portion, at least one of cross sectional shape of described sealing is wave, the phase of described wave
The spacing of the spacing at the top of adjacent crest and the bottom of trough is below 3mm.
It addition, the device that manufactures of the Vacuumed insulation panel of the present invention is used for manufacturing following vacuum heat-insulation
Part, this Vacuumed insulation panel possesses: core, and it is made up of fiber assembly；Adsorbent, it is extremely
Few adsorption moisture；Outer packaging material, it is made up of two thin film, by thermal welding make described two thin
The circumference of film is sealed against one another and is coated with described core and described adsorbent；Described outer packaging material interior
Portion is depressurized sealing, and wherein, described manufacture device possesses upside crimping fixture and downside crimping folder
Tool, described upside crimping fixture and downside crimping fixture are from periphery to described two thin film up and down
Portion carries out heating and make it to crimp, and described upside crimping fixture and downside crimp the respective of fixture
The cross section of face of weld be made up of wave, between the top of the adjacent crest of described wave
The spacing of the bottom away from the adjacent trough with described wave is below 3mm.
It addition, can be by the Vacuumed insulation panel of the present invention or by the Vacuumed insulation panel of the present invention
Manufacture device manufacture Vacuumed insulation panel be used in the hot boxes such as refrigerator.
The effect of invention
The Vacuumed insulation panel of the present invention, manufactured by the manufacture device of the Vacuumed insulation panel of the present invention
Vacuumed insulation panel, employ the present invention Vacuumed insulation panel hot box play can tie up for a long time
Hold the such effect of high heat-proof quality.
Accompanying drawing explanation
Fig. 1 is the sectional view of the Vacuumed insulation panel of embodiments of the present invention 1.
Fig. 2 is the enlarged partial sectional view of the Vacuumed insulation panel of Fig. 1.
Fig. 3 is the schematic diagram in the sealing cross section of the Vacuumed insulation panel of Fig. 1.
Fig. 4 is the top view of the Vacuumed insulation panel of Fig. 1.
Fig. 5 be the top of the crest of the sealing of the Vacuumed insulation panel representing Fig. 1 each other and trough
The chart of interval (spacing) each other, bottom and the relation of heat conductivity variable quantity.
Fig. 6 is the adjacent crest line institute angle degree of the sealing of the Vacuumed insulation panel representing Fig. 1
Chart with the relation of heat conductivity variable quantity.
Fig. 7 is width and the heat conduction system of the sealing of the outer packaging material of the Vacuumed insulation panel representing Fig. 1
The chart of the relation of number variable quantity.
Fig. 8 is the device (hereinafter referred to as sealing device) of the Vacuumed insulation panel manufacturing Fig. 1
General profile chart.
Fig. 9 is the crimping fixture sectional view when thermal welding is awaited orders of the sealing device of Fig. 8.
Figure 10 is the crimping fixture sectional view when thermal welding of the sealing device of Fig. 8.
Figure 11 is the sectional view of the hot box of embodiments of the present invention 2.
Detailed description of the invention
Embodiment 1
Hereinafter, with reference to Fig. 1～Fig. 4, the Vacuumed insulation panel 1 of embodiments of the present invention 1 is described.
Fig. 1 is the sectional view representing Vacuumed insulation panel 1.Fig. 2 is the partial enlargement of Vacuumed insulation panel 1
Sectional view.Fig. 3 is the schematic diagram in the cross section of the sealing 5 of Vacuumed insulation panel 1.Fig. 4 is true
The top view of empty thermal insulation barriers 1.
Vacuumed insulation panel 1 possesses: core 2；The outer packaging material 3 of barrier properties for gases, it is coated with core
2；And moisture adsorbent 4, the moisture of the inside of its outer packaging material 3 of absorption.Packaging material 3 outside
Circumference, is formed with sealing 5 by encapsulating methods such as heat-sealings.By by outer packaging material 3
Inner pressure relief seals to formation sealing 5 under the state of the vacuum of 1～3Pa (Pascal)
Outer packaging material 3.
As core 2, it is possible to use such as glass fibre, aluminum fiber, alumina silicate fibre, silicon
The fiber assemblies such as fiber, asbestos, silicon carbide fibre, non-woven fabrics.Additionally, it is the most saturating
Depending on illustrate core 2.
Outer packaging material 3 is made up of upper side thin membrane 30 and downside thin film 31, and their circumference is mutual
Thermal welding and form sealing 5.Outer packaging material 3 is sealed by sealing 5, and core 2 is by outer packaging material 3
Airtight cladding.Upper side thin membrane 30 at least has hot welding layer 30a and gas-barrier layer 30b.Under
Side thin film 31 at least has hot welding layer 31a and gas-barrier layer 31b.In sealing 5,
Hot welding layer 30a of upper side thin membrane 30 and the mutual hot melt of hot welding layer 31a of downside thin film 31
Connect.Hereinafter, hot welding layer 30a and hot welding layer 31a are referred to as hot welding layer 3a.It addition,
Gas-barrier layer 30b and gas-barrier layer 31b is referred to as gas-barrier layer 3b.
As hot welding layer 3a, it is possible to use such as cast polypropylene film, high density polyethylene (HDPE)
Thin film, linear low-density polyethylene film etc..If the airtight quality in view of reduced pressure sealing operation
Stability, the suppression that gas is invaded from the end of hot welding layer 3a and employing gold
Belong to paper tinsel as the heat leak from surface caused by heat conduction in the case of gas-barrier layer 3b, then hot melt
Connect the respective thickness of layer 30a and hot welding layer 31a suitably in 25 μm～60 μm.
As gas-barrier layer 3b, it is possible to use such as be deposited with metal, metal-oxide or
The plastic sheeting of diamond-like-carbon, or use metal forming.As long as outer packaging material 3 is to reduce gas
The material that the purpose that body passes through uses, is not limited to these materials.It addition, as to moulding
The metal-oxide deposition material of evaporation on material thin film, it is possible to use such as silicon dioxide, oxidation
Aluminum.
It also is able to arrange first surface protective layer 3c in the outside of gas-barrier layer 3b.As
One sealer 3c, it is possible to utilize pet film, polypropylene film,
The deep processing product etc. of nylon film.It also is able to arrange Buddhist nun in the outside of first surface protective layer 3c
The second surface protective layer 3d such as dragon thin film.By arranging first surface protective layer 3c and the second table
Face protective layer 3d, bend-resistance, puncture etc. improves.It addition, the bag shape of outer packaging material 3
It is such as four side seal bags, foldable bag, three side seal bags, pillow pouch, center rubber belt sealing bag.
As moisture adsorbent 4, it is possible to use and be such as inserted in the sack of good air permeability
Calcium oxide (CaO).Moisture adsorbent 4 is not limited to this, it is possible to use zeolite etc. to have
The adsorbent of water adsorption.Additionally, in the diagram, perspective map has shown moisture adsorbent 4.
In multiple sealings 5 of the circumference being arranged at outer packaging material 3 by thermal welding at least
The cross section of one is wave.In the cross section of sealing 5, along the continuous direction 57 of ripple
Crest and trough are alternately formed.Crest is equivalent to the protuberance on thickness direction 58, trough phase
When the recess on thickness direction 58.According to this structure, even if to be become by thermal welding
Glass fibre has been sandwiched between upper side thin membrane 30 and the downside thin film 31 of the part of sealing 5
In the case of state has carried out thermal welding, it is also possible to utilize height and the trough of the top 5a of crest
The difference of height of height of bottom 5b cut off glass fibre.Therefore, it is possible to prevent from sealing
The end 3e of 5 is to the formation of the through hole of the inside of outer packaging material 3, it is possible to long term maintenance heat-proof quality.
From the top 50a of the crest of upper side thin membrane 30 to the top 50a thermal welding of this crest
Width 52a (that is, the thickness side at the top of crest of the top 51a of the crest of downside thin film 31
To the width of 58, hereinafter referred to as top width 52a), and the ripple from upper side thin membrane 30
The bottom 50b of paddy to the trough of the downside thin film 31 of the bottom 50b thermal welding of this trough
Bottom 51b width 52b (that is, the width of the thickness direction 58 of the bottom of trough, below,
Be referred to as bottom width 52b), less than from the crest line 50c of upper side thin membrane 30 to this crest line 50c
The width 52c of the thickness direction of the crest line 51c of the downside thin film 31 of thermal welding (that is, crest line
The width of thickness direction.Hereinafter referred to as crest line width 52c).Hereinafter, by the top of crest
The top 51a of 50a and crest is referred to as the top 5a of crest.It addition, by the bottom 50b of trough
With the bottom 5b that the bottom 51b of trough is referred to as trough.According to this structure, at the top of crest
The bottom 5b of 5a and trough, easily cuts off glass fibre.Even if it addition, to become sealing
The state having sandwiched air between upper side thin membrane 30 and the downside thin film 31 of the part of 5 is carried out
In the case of thermal welding, the air layer sandwiched also can be by the top 5a of crest and the bottom of trough
5b cuts off.Thus, air trapping is between crest line 50c and crest line 51c, it is possible to prevent from close
The end 3e in envelope portion 5 is to the formation of the through hole of the inside of outer packaging material 3.
Additionally, it is preferred that be, the top 5a of crest is positioned at thinner than the upside of the part not being heating-fusion bonded
The upper surface 3g of film 30 is the position high for upper surface 3g of the end 3e of outer packaging material 3, and,
The bottom 5b of trough is positioned at the lower surface 3h of the downside thin film 31 than the part not being heating-fusion bonded
The position low for lower surface 3h of the end 3e of outer packaging material 3.According to this structure, the top of crest
The height of portion 5a becomes big further with the difference of the height of the bottom 5b of trough, therefore, it is possible to more
The upper side thin membrane 30 of the part becoming sealing 5 it is sandwiched into during for being breaking at thermal welding effectively
And the glass fibre between downside thin film 31.
Fig. 5 represents spacing 53a and the ripple at the top of the crest of the sealing 5 of Vacuumed insulation panel 1
Spacing 53b at the top of paddy and the relation of heat conductivity variable quantity.Utilize steady state method heat conduction system
Number analyzer determines the heat conductivity of Vacuumed insulation panel 1.Measuring temperature conditions is high temperature side
37.7 DEG C, low temperature side 10 DEG C, mean temperature 23.85 DEG C.If after Vacuumed insulation panel 1 is just made
Measured Results of Thermal Conductivity value is initial thermal conductivity coefficient (λ a), is located at and immobilizes with certain humiture
Constant temperature and humidity cabinet in have passed through certain time after heat conductivity be heat conductivity after deterioration
(λ b), and have evaluated the heat conductivity variable quantity (λ b-λ a) as its difference.In spacing 53a
And in the case of 53b is below 3mm, heat conductivity variable quantity is below 0.5mW/m K,
But along with spacing becomes bigger than 3mm, heat conductivity variable quantity increases.It is 3.5mm in spacing
In the case of, heat conductivity variable quantity becomes about 2 times in the case of spacing 3mm.Therefore,
In order to suppress heat conductivity through time deteriorate, be formed at the top of the adjacent crest of sealing 5
Spacing 53b of spacing 53a of 5a and the bottom 5b of adjacent trough is preferably below 3mm.
Solid at the width (hereinafter referred to as sealing width) 54 and angle 55 making sealing 5
In the case of the most constant, if reducing spacing 53a and 53b, then the position of the top 5a of crest becomes
Low, the position of the bottom 5b of trough uprises.Therefore, hot welding layer 30a and hot welding layer 31a
Hot welding length (hereinafter referred to as effective weld length) shorten.Otherwise, if increasing spacing
53a and 53b, then the position of the top 5a of crest uprises, and the position of the bottom 5b of trough becomes
Low.Therefore, effective weld length becomes big.If effectively weld length becomes big, then from outer packaging material 5
End 3e invade gas through resistance increase and make the penetration speed of gas reduce, because of
This, increase over time and penetrate into the amount minimizing of the gas in outer packaging material 3.On the other hand,
Effectively weld length becomes big, then relative to the deformation of the i.e. sealing 5 of ratio of sealing width 54
The evaporated segment of gas-barrier layer 3b, metal forming crack, and gas is from the surface of outer packaging material 5
The gas permeation speed passed through increases.If spacing 53a and 53b are more than 3mm, then compared to by
Effectively weld length is elongated and gas that bring gas passes through from the end 3e of hot welding layer 3a
The reduction of penetration speed, the impact of the deformation of sealing 5 is bigger.Thus, it is believed that, gas
Barrier layer 3b cracks, the increasing of the gas permeation speed that gas passes through from the surface of outer packaging material 3
Big impact becomes big.Therefore, in order to prevent Vacuumed insulation panel 1 through after degraded thermal performance,
Preferably making spacing 53a and 53b is below 3mm.
Fig. 6 represents the adjacent crest line 50c institute angle degree of the sealing 5 of Vacuumed insulation panel 1
55 with the relation of heat conductivity variable quantity.Measure determining of temperature conditions and heat conductivity variable quantity
Justice is as being illustrated in Figure 5.It is in the range of 90～160 ° in angle 55, heat conduction system
Number variable quantity is below 0.5mW/m K, but in the case of departing from this scope, heat conduction system
Number variable quantity increases more than 2 times.Therefore, in order to suppress heat conductivity through time deteriorate,
Angle 55 is preferably in the range of 90～160 °.It is sandwiched into heat-fused portion 5a to cut off
Glass fibre, needing to make angle 55 is less than 160 °.If owing to angle 55 is more than 160 °, falling
In the range of entering the elastic deformation area of glass fibre, so glass fibre cannot be cut off.The opposing party
Face, it is believed that if angle 55 is discontented with 90 °, then the evaporation of gas-barrier layer, metal forming produce and split
Stricture of vagina, the gas permeation speed that gas passes through from the surface of sealing 5 increases.Therefore, in order to anti-
Only Vacuumed insulation panel 1 through after degraded thermal performance, preferably make adjacent crest line 50c in
Angle 55 is more than 90 ° and less than 160 °.
Fig. 7 represents that the sealing width 54 of the outer packaging material 3 of Vacuumed insulation panel 1 becomes with heat conductivity
The relation of change amount.Measure the definition of temperature conditions and heat conductivity variable quantity and say in Figure 5
As bright.It is in the range of 5～50mm at sealing width 54, heat conductivity variable quantity
For below 0.5mW/m K, but in the case of departing from this scope, heat conductivity variable quantity
Increase more than 2 times.Therefore, in order to prevent Vacuumed insulation panel 1 through time heat-proof quality dislike
Changing, sealing width 54 is preferably in the range of 5～50mm.
It addition, the intensity of the outer packaging material 3 near the sealing 5 maintaining Vacuumed insulation panel 1
From the point of view of viewpoint, the end 5d from core 2 side of the end 2a of core 2 to sealing 5 away from
From preferably more than 10mm and below 100mm.
The hot fusing method of sealing 5 is formed as the circumference for packaging material 3 outside, it is possible to
Use the heat sealing method as external heat mode, pulse sealing method.Preferably employ in them with
Other mode compares the heat sealing method that can make its welding at short notice.As heat sealing method, have
Such as hot plate sealing, rotating roller seals, band sealing, but preferably hot plate sealing mode or rotation
Roller sealing mode.Hot plate sealing mode is used to seal at short notice.
Fig. 8 is to fetch manufacture Vacuumed insulation panel 1 by the hot melt carrying out utilizing hot plate to seal mode
The general profile chart of sealing device 9.The thermal welding carried out by sealing device 9 is by following dynamic
Work is carried out: crimped fixture 10 and downside crimping by the metal upside possessing heater in inside
Fixture 11 is to heat-fused portion 30b (Fig. 2) of the circumference of upper side thin membrane 30 and downside thin film
Heat-fused portion 31b (Fig. 2) of the circumference of 3b heats and presses.In this thermal welding
Before, upside pressing fixture 13 and downside pressing fixture 14 can also be via upper side thin membrane 30
With downside thin film 31 from compressing fixing core 2 up and down.Hereinafter, by the waiting time before thermal welding
It is referred to as the thermal welding waiting time, the time carrying out thermal welding is referred to as the thermal welding time.Logical
Crossing thermal welding, the circumference of packaging material 5 forms sealing 5 outside.Upside crimping fixture 10 and under
The cross sectional shape of the respective face of weld of side pressure welding fixture 11 is multiple wave, become crest and
The shape that trough alternately forms, but be shown with omitting this shape in fig. 8.At figure
This shape shown in 9 and Figure 10.If additionally, upside crimping fixture 10 and downside crimping folder
At least one party in tool 11 possesses heater in inside.In order to prevent sealing pressure uneven
Even, it is also possible to make the side in upside crimping fixture 10 and downside crimping fixture 11 in inside
Possess heater, possess the crimping fixture of silicone rubber plate on surface.
Heating in the case of heat-fused portion 5a have employed cast polypropylene film, during thermal welding
Device temperature is preferably 170～210 DEG C.After thermal welding processes, through being dried for dewatered
Operation, moisture adsorbent 4 is inserted in outer packaging material 3.Afterwards, the inside of packaging material 3 outside
Under the state of the vacuum being depressurized to 1～3Pa (Pascal), peristome is by heat-sealing etc.
And sealed, thus obtain Vacuumed insulation panel 1.This peristome be present in upper side thin membrane 30 and under
One side of non-welding in four limits of side thin film 31.Additionally, the drying condition of drying process is energy
Enough remove the condition of the moisture of the moisture of core 2 and the outer packaging material 3 of cladding core 2, such as
The heating of two hours is carried out at 100 DEG C.As long as additionally, the moisture of core 2 can be removed
With the condition of the moisture of the outer packaging material 3 being coated with core 2, it is not limited to this condition.It addition,
Moisture adsorbent 4 both can be inserted into after have passed through drying process, it is also possible at back tender
It is inserted into before the thermal welding process carried out before sequence, by sealing device 9.
Hereinafter, with reference to Fig. 9, the upper side pressure of sealing device 9 in the thermal welding waiting time is described
Welding fixture 10 and downside crimping fixture 11.The cross section of the electrolysis 10d of upside crimping fixture 10
The cross sectional shape of the electrolysis 11d of shape and downside crimping fixture 11 is wave respectively, i.e.
The shape that crest and trough alternately form.In fig. 9 it is shown that upside crimping fixture 10
The top 10a of crest, the bottom 10b of trough and from the top 10a of crest to trough
The crest line 10c of bottom 10b.In addition it is shown that the top 11a of the crest of downside crimping fixture 11,
The bottom 11b of trough and the crest line 11c of the bottom 11b from the top 11a of crest to trough.
These crests and trough are continuously formed along ripple continuous print direction 17.Crest is equivalent to wave
The protuberance in wave height direction 18, trough is equivalent to the recess in wave height direction 18.Although at Fig. 9
And not shown, but crimp electrolysis 10d and the pressure of side pressure welding fixture 11 of fixture 10 in upside
Between junction 11d, exist core 2, from the upper side thin membrane 30 sandwiching core 2 up and down and
Side thin film 31.In the thermal welding waiting time, upside crimping fixture 10 electrolysis 10d and under
The electrolysis 11d of side pressure welding fixture 11 is the most close to each other, upper side thin membrane 30 and downside thin film 31
Do not contact.
Hereinafter, with reference to Figure 10, illustrate that the upside of the sealing device 9 when thermal welding crimps fixture
10 and downside crimping fixture 11.When thermal welding, the electrolysis 10d of upside crimping fixture 10
Close to each other, to from sandwiching the upper of core 2 up and down with the electrolysis 11d of downside crimping fixture 11
Side thin film 30 and downside thin film 31 are (the most not shown.With reference to Fig. 2) carry out heating also
And pressing.By this action, hot welding layer 30a and the downside of the circumference of upper side thin membrane 30 are thin
Hot welding layer 31a of the circumference of film 31 is heating-fusion bonded.Upside crimps the adjacent of fixture 10
Spacing 23a of the top 10a of crest, adjacent trough bottom 10b spacing 23b, under
Spacing 23a of the top 11a of the adjacent crest of side pressure welding fixture 11 and adjacent trough
Spacing 23b of bottom 11b be respectively below 3mm.Additionally, it is preferred that make adjacent crest line
10c institute angle degree 24 and adjacent crest line 11c institute angle degree 24 be respectively 90 ° with
Go up and less than 160 °.It addition, upside crimping fixture 10 and downside crimping fixture 11 along
The width 25 in the continuous direction 17 of ripple is preferably in the range of 5～50mm.
The top 10a of the crest of upside crimping fixture 10 crimps the crest of fixture 11 with downside
Gap (hereinafter referred to as top clearance) 22a between the 11a of top and upside crimping fixture
Between between the bottom 11b of the trough that the bottom 10b of the trough of 10 crimps fixture 11 with downside
Gap (hereinafter referred to as bottom gap) 22b, between the Wave crest and wave trough less than upside crimping fixture 10
Crest line 10c crimp the gap between the crest line 11c between the Wave crest and wave trough of fixture 11 with downside
(hereinafter referred to as crest line gap) 22c.It addition, top clearance 22a and bottom gap 22b,
Less than from the upper surface of upper side thin membrane 30 width to the lower surface of downside thin film 31 35 (following,
It is referred to as thin-film width 35.With reference to Fig. 3).Thus, the thickness of the sealing 5 of Vacuumed insulation panel 1
Degree is the thinnest at the top 5a of the crest of the sealing 5 and bottom 5b of trough.This part is referred to as
Thinner wall section 55.Sealing 5 be outside among packaging material 3 air permeability maximum and largely effect on vacuum every
Warmware 1 through time heat-proof quality part.By sealing 5 thinner wall section 55 is set and make from
The gas that the end of outer packaging material 3 invades become big through resistance, the penetration speed of gas reduces.
Thus, the gas flow increased over time and penetrate in outer packaging material 3 reduces, it is possible to long-term
Play excellent heat-proof quality.
In the prior art, hot welding layer when clipping glass fibre between lower films
In the case of being heating-fusion bonded each other, define through hole at sealing.Particularly, pass through defining
In the case of the inside and outside through hole of logical outer packaging material, from the end of outer packaging material via through hole over time
Increase and invade the gas within outer packaging material amount increase, Vacuumed insulation panel through time heat insulation
Penalty.It addition, in the prior art, between lower films, glass fibre has been sandwiched
Form through hole too in the case of having carried out thermal welding under state, Vacuumed insulation panel through after
Degraded thermal performance.
Otherwise, according to the Vacuumed insulation panel 1 of present embodiment, it is possible to prevent from sealing 5
End 3e is to the formation of the through hole of the inside of outer packaging material 3.In Vacuumed insulation panel 1, by heat
Welding and the cross section that is formed at the sealing 5 of the circumference of outer packaging material 3 is wave, i.e. crest
With trough continuous print shape.According to this structure, even if to be become sealing by thermal welding
The state having sandwiched glass fibre between upper side thin membrane 30 and the downside thin film 31 of the part of 5 is entered
Go in the case of thermal welding, it is also possible to utilize the bottom of height and the trough of the top 5a of crest
Glass fibre is cut off by the difference of height of the height of 5b.Therefore, it is possible to prevent the end from sealing 5
Portion 3e is to the formation of the through hole of the inside of outer packaging material 3, it is possible to long term maintenance Vacuumed insulation panel 1
Heat-proof quality.
It addition, in Vacuumed insulation panel 1, it is possible to make to be formed at the adjacent crest of sealing 5
Spacing 53a of top 5a and spacing 53b of bottom 5b of adjacent trough be 3mm
Below.According to this structure, it is possible to prevent the evaporated segment of gas-barrier layer 3b, metal forming from producing
Crackle, and increase gas through resistance, it is possible to suppression Vacuumed insulation panel 1 heat conductivity
Through time deteriorate.
It addition, in Vacuumed insulation panel 1, it is possible to make to be formed at the adjacent crest line of sealing 5
10c institute angle degree 24 and adjacent crest line 11c institute angle degree 24 be respectively 90 ° with
Go up and less than 160 °.According to this structure, it is possible to prevent gas-barrier layer 3b evaporated segment,
Metal forming cracks, and is sandwiched in upper side thin membrane 30 and downside when can be breaking at thermal welding
Glass fibre between thin film 31, it is possible to suppression heat conductivity through time deteriorate.
It addition, in Vacuumed insulation panel 1, it is possible to make sealing width 54 5～50mm
In the range of.According to this structure, it is possible to increase suppression Vacuumed insulation panel 1 heat conductivity through time
The inhibition deteriorated.
It addition, in Vacuumed insulation panel 1, it is possible to make from the end 2a of core 2 to sealing 5
The distance of end 5f of core 2 side be more than 10mm and below 100mm.According to this knot
Structure, it is possible to the intensity of the outer packaging material 3 near the sealing 5 of maintenance Vacuumed insulation panel 1, and
The glass fibers between upper side thin membrane 30 and downside thin film 31 it is sandwiched in when can be breaking at thermal welding
Dimension, it is possible to suppression heat conductivity through time deteriorate.
It addition, in Vacuumed insulation panel 1, it is possible to make top clearance 52a and bottom gap 52b
Less than crest line gap 52c.According to this structure, at the top 5a and the bottom 5b of trough of crest,
Easily cut off glass fibre.Even if it addition, to press from both sides between upper side thin membrane 30 and downside thin film 31
Having entered in the case of the state of air carried out thermal welding, the air layer being sandwiched into also can be by crest
Top 5a and trough bottom 5b cut off.Thus, air trapping at crest line gap 52c,
It is prevented from the formation of through hole from the end 3e of sealing 5 to the inside of outer packaging material 3.
It addition, in Vacuumed insulation panel 1, make the top 5a of the crest of sealing 5 be positioned at ratio not
The upper surface 3g of the upper side thin membrane 30 of the part being heating-fusion bonded is the upper of the end 3e of outer packaging material 3
The position that surface 3g is high, and, make the bottom 5b of the trough of sealing 5 be positioned at ratio the hottest
The lower surface 3h of the downside thin film 31 of the part of welding is the lower surface of the end 3e of outer packaging material 3
The position that 3h is low.According to this structure, the height of the top 5a of crest is with the bottom 5b's of trough
The difference of height becomes big, further therefore, it is possible to be sandwiched in when being breaking at thermal welding the most effectively
Become the glass fibre between upper side thin membrane 30 and the downside thin film 31 of the part of sealing 5.
Sealing device 9 according to the present embodiment, can manufacture can long term maintenance heat conductivity
Vacuumed insulation panel 1.In sealing device 9, upside crimping fixture 10 and downside crimping fixture 11
Cross section be wave continuous print shape, i.e. crest and trough continuous print shape.According to this structure,
Even if to sandwich between the upper side thin membrane 30 of part of sealing 5 and downside thin film 31 becoming
In the case of the state of glass fibre has carried out thermal welding, it is also possible to utilize the ripple of sealing 5
Glass fibre is cut off by the height of the top 5a at peak with the difference of height of the height of the bottom 5b of trough.
Therefore, according to sealing device 9, it is possible to manufacture and be formed without from the end 3e of sealing 5 to outsourcing
The through hole of the inside of material 3, can the Vacuumed insulation panel 1 of long term maintenance heat-proof quality.
It addition, in sealing device 9, it is possible to make the adjacent crest of upside crimping fixture 10
Spacing 23a of top 10a, spacing 23b of bottom 10b of adjacent trough, downside crimping
Spacing 23a of the top 11a of the adjacent crest of fixture 11 and the bottom of adjacent trough
Spacing 23b of 11b is respectively below 3mm.According to this structure, it is possible to manufacture gas-barrier layer
The evaporated segment of 3b, metal forming do not crack and sealing 5 gas through resistance become
High, can the Vacuumed insulation panel 1 of long term maintenance heat conductivity.
It addition, in sealing device 9, it is possible to make adjacent crest line 10c institute angle degree 24
And adjacent crest line 11c institute angle degree 24 is respectively more than 90 ° and less than 160 °.Root
According to this structure, it is possible to manufacture the evaporated segment of gas-barrier layer 3b, metal forming do not crack and
Be formed without from sealing 5 to the through hole of core 2, can long term maintenance heat-proof quality vacuum every
Warmware 1.
It addition, in sealing device 9, it is possible to make upside crimping fixture 10 and downside crimping fixture
The width 25 in the continuous direction 17 along ripple of 11 is in the range of 5～50mm.According to this
Structure, can manufacture can the Vacuumed insulation panel 1 of long term maintenance heat conductivity.
It addition, in sealing device 9, it is possible to make upside crimping fixture 10 and downside crimping fixture
11 in top clearance 52a and bottom gap 52b less than crest line gap 52c.According to this knot
Structure, at top 10a and 11a and bottom 10b and 11b of trough of crest, easily cuts off quilt
Sandwich the glass fibre between the upper side thin membrane 30 of Vacuumed insulation panel 1 and downside thin film 31.Separately
Outward, even if carrying out having sandwiched the state of air between upper side thin membrane 30 and downside thin film 31
In the case of thermal welding, the air layer being sandwiched into is at top 10a and 11a of crest and trough
Bottom 10b and 11b be cut off.Thus, air trapping is at crest line gap 52c, it is possible to system
Make and be formed without from the end 3e of sealing 5 to the through hole of the inside of outer packaging material 3, can tie up for a long time
Hold the Vacuumed insulation panel 1 of heat-proof quality.
If additionally, the sealing at least on one side being arranged in four limits of the outer packaging material 3 of Fig. 4
The cross section of 5 is wave, so that it may obtain maintaining the effect of the heat-proof quality of Vacuumed insulation panel 1.
By making the cross section being arranged at all sealings 5 on four limits be all wave, it is possible to make thermal insulation
The effect that can maintain maximizes.
Embodiment 2
Figure 11 is the sectional view of the hot box 40 of embodiments of the present invention 2.Hot box 40
It it is such as refrigerator.In hot box 40, the interior case 41 by being made up of ABS resin and by
The part closed in space that the outer container 42 that steel plate is constituted is constituted, arranges Vacuumed insulation panel 1,
Space outside the space having arranged Vacuumed insulation panel 1 is foam filled, and polyurethane foam is heat insulation
Part 43.Additionally, the Vacuumed insulation panel 1 of present embodiment is the Vacuumed insulation panel of embodiment 1
1.Vacuumed insulation panel 1 can be by the manufacture method manufacture of embodiment 1.At hot box 40
In the case of being refrigerator, the part outside the part shown in Fig. 6 be used in conventional refrigerator
Structure the same, therefore omit diagram and explanation.Hot box 40 according to present embodiment, sends out
Wave to play for a long time and maintain excellent heat-proof quality and then the such effect of power consumption can be reduced
Really.
Description of reference numerals
1 Vacuumed insulation panel
2 cores
3 outer packaging materials
30 upper side thin membrane
Thin film on the downside of in the of 31
3a, 30a, 31a hot welding layer
3b, 30b, 31b gas-barrier layer
30c, 31c first surface protective layer
30d, 31d second surface protective layer
35 thin-film widths
4 moisture adsorbent
5 sealings
The top of 50a, 51a crest
The bottom of 50b, 51b trough
50c, 51c crest line
9 sealing devices
Fixture is crimped on the upside of in the of 10
Fixture is crimped on the downside of in the of 11
12 pressure reduction spaces
Fixture is pressed on the upside of in the of 13
Fixture is pressed on the downside of in the of 14
40 hot boxes
Case in 41
42 outer containers
43 polyurethane foam thermal insulation barriers.
Claims (12)
1. a Vacuumed insulation panel, possesses: core, and it is made up of fiber assembly；Adsorbent,
Its at least adsorption moisture；And outer packaging material, it is coated with described core and described adsorbent；Described
The inside of outer packaging material is depressurized sealing, it is characterised in that
Circumference at described outer packaging material is formed with sealing, described sealing at least some of
Cross sectional shape be wave, the spacing at the top of the adjacent crest of described wave and trough
The spacing of bottom be below 3mm.
Vacuumed insulation panel the most according to claim 1, it is characterised in that
The adjacent crest line institute angle degree of described wave is more than 90 ° and less than 160 °.
Vacuumed insulation panel the most according to claim 1 and 2, it is characterised in that
The width along ripple continuous print direction of the described wave of described sealing be 5mm with
Go up and below 30mm.
Vacuumed insulation panel the most according to claim 1 and 2, it is characterised in that
The distance of end of the described core side from the end of described core to described sealing is
More than 10mm and below 100mm.
Vacuumed insulation panel the most according to claim 1 and 2, it is characterised in that
The width of the thickness direction at the top of the crest of described wave and the ripple of described wave
The width of the thickness direction of the bottom of paddy is less than the width of the thickness direction of the crest line of described wave
Degree.
Vacuumed insulation panel the most according to claim 1 and 2, it is characterised in that
The lower limit of the thickness direction at the top of the crest of described wave is positioned at than described outer packaging material
The position that the upper surface of end is high, and, the thickness direction of the bottom of the trough of described wave
The upper limit be positioned at the position lower than the lower surface of the end of described outer packaging material.
7. a manufacture device for Vacuumed insulation panel, for manufacturing following Vacuumed insulation panel, should
Vacuumed insulation panel possesses: core, and it is made up of fiber assembly；Adsorbent, it at least adsorbs
Moisture；Outer packaging material, it is made up of two thin film, is made the week of described two thin film by thermal welding
Edge is sealed against one another and is coated with described core and described adsorbent；The inside of described outer packaging material is subtracted
Means of press seals, this manufacture device is characterised by,
Possess upside crimping fixture and downside crimping fixture, described upside crimping fixture and lower side pressure
Welding fixture makes described two from heating the circumference of described two thin film up and down and press
Open the circumference thermal welding of thin film,
The cross section of the respective face of weld of described upside crimping fixture and downside crimping fixture is by waveform
Shape is constituted,
The spacing at the top of the adjacent crest of described wave and described wave adjacent
The spacing of the bottom of trough is below 3mm.
The manufacture device of Vacuumed insulation panel the most according to claim 7, it is characterised in that
The adjacent crest line institute angle degree of described wave is more than 90 ° and less than 160 °.
9., according to the manufacture device of the Vacuumed insulation panel described in claim 7 or 8, its feature exists
In,
The width in the continuous direction of the ripple of described wave is more than 5mm and below 50mm.
10. according to the manufacture device of the Vacuumed insulation panel described in claim 7 or 8, its feature
It is,
The top of the crest of the described upside crimping fixture when thermal welding crimps folder with described downside
Gap between the top of the crest of tool and the bottom of trough of described upside crimping fixture and institute
Gap between the bottom of the trough stating downside crimping fixture, less than described upside crimping fixture
Crest line crimps the gap between the crest line of fixture with described downside.
11. 1 kinds of hot boxes, it is characterised in that employ any one of claim 1 to 6
Described Vacuumed insulation panel.
12. 1 kinds of hot boxes, it is characterised in that employ by described in claim 7 or 8
Vacuumed insulation panel manufacture device manufacture Vacuumed insulation panel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-161011 | 2014-08-07 | ||
| JP2014161011A JP6278864B2 (en) | 2014-08-07 | 2014-08-07 | Vacuum heat insulating material, vacuum heat insulating material manufacturing apparatus, and heat insulating box using vacuum heat insulating material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105840957A true CN105840957A (en) | 2016-08-10 |
| CN105840957B CN105840957B (en) | 2018-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510482288.5A Active CN105840957B (en) | 2014-08-07 | 2015-08-07 | Vacuumed insulation panel and its manufacturing device and the hot box for having used Vacuumed insulation panel |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6278864B2 (en) |
| CN (1) | CN105840957B (en) |
| TW (1) | TWI596050B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303383A (en) * | 2019-08-02 | 2021-02-02 | 松下真空节能新材料(重庆)有限公司 | Manufacturing device of vacuum insulation panel, vacuum insulation panel and manufacturing method thereof |
| CN114829828A (en) * | 2019-12-20 | 2022-07-29 | 三菱电机株式会社 | Vacuum heat insulating material and heat insulating box |
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| JP2000104889A (en) * | 1998-09-29 | 2000-04-11 | Mitsubishi Electric Corp | Manufacture of vacuum heat insulating material |
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| US20130015092A1 (en) * | 2011-07-14 | 2013-01-17 | Nitto Denko Corporation | Patch package |
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| JP3580315B1 (en) * | 2004-02-04 | 2004-10-20 | 松下電器産業株式会社 | Vacuum heat insulating material and method for manufacturing the same, heat insulating / cooling device equipped with the vacuum heat insulating material, and heat insulating board |
| JP2007016927A (en) * | 2005-07-08 | 2007-01-25 | Matsushita Electric Ind Co Ltd | Vacuum heat insulating material and its manufacturing method |
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| CN114829828A (en) * | 2019-12-20 | 2022-07-29 | 三菱电机株式会社 | Vacuum heat insulating material and heat insulating box |
| CN114829828B (en) * | 2019-12-20 | 2023-10-03 | 三菱电机株式会社 | Vacuum heat insulating material and heat insulating box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105840957B (en) | 2018-09-28 |
| JP6278864B2 (en) | 2018-02-14 |
| TWI596050B (en) | 2017-08-21 |
| TW201619019A (en) | 2016-06-01 |
| JP2016038006A (en) | 2016-03-22 |
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