CN206013496U - A kind of vacuum heat-insulating plate and the couveuse that polyurethane is heat-insulation layer - Google Patents
A kind of vacuum heat-insulating plate and the couveuse that polyurethane is heat-insulation layer Download PDFInfo
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- CN206013496U CN206013496U CN201621039266.8U CN201621039266U CN206013496U CN 206013496 U CN206013496 U CN 206013496U CN 201621039266 U CN201621039266 U CN 201621039266U CN 206013496 U CN206013496 U CN 206013496U
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- heat
- couveuse
- insulating plate
- polyurethane
- vacuum heat
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Abstract
This utility model provides a kind of couveuse of vacuum heat-insulating plate and polyurethane for heat-insulation layer, including cabinet shell, box liner, heat-insulation layer, the heat-insulation layer includes vacuum heat-insulating plate and layer of polyurethane, the layer of polyurethane side connects the inwall of cabinet shell, opposite side connects the side of vacuum heat-insulating plate, characterized in that, at least a portion of the opposite side of the vacuum heat-insulating plate constitutes the internal face of box liner.This utility model provides a kind of easy to maintenance, couveuse that receiving space is big and heat insulating ability is excellent.
Description
Technical field
This utility model belongs to cold chain cool-bag field, refers in particular to a kind of for food refrigerated and dispensing vehicle-mounted insulation
Case..
Background technology
The species of couveuse is various at present, but its quality is uneven, especially as measurement couveuse quality level
Important indicator heat-insulating property be even more diversity obvious.The ropy haybox cooking time only has 2 hours or so, matter
The measured haybox cooking time was up to more than ten hour.But with the improvement of people's living standards, outdoor leisure life when
Between also more and more, increasingly longer, the heat-insulating property of conventional couveuse also can not increasingly meet the demand of people, so having
The couveuse of more preferably heat-insulating property then becomes the development trend of such product.Vacuum heat-insulating plate is to be currently known heat-insulating property most
Good insulation material, its heat-insulating property is 7 ~ 10 times of polyurethane, uses it for the heat-insulation layer of couveuse, will greatly improve insulation
The heat-insulating property of case, and vacuum heat-insulating plate and polyurethane are used simultaneously, guarantor will be also greatly improved while heat insulating ability is guaranteed
The bulk strength of incubator.
But in prior art, vacuum heat-insulating plate is all to be coated in polyurethane material completely, or outside vacuum heat-insulating plate
Portion arranges one layer of housing, the enclosure interior that vacuum heat-insulating plate has been completely encased by couveuse.Problems with so occurs：
1）Vacuum heat-insulation plate cannot be keeped in repair and be replaced.Vacuum heat-insulating plate is coated on enclosure interior completely, once very
Empty heat-insulating shield is damaged, it is impossible to replace the vacuum heat-insulating plate for damaging, whole couveuse can be caused to be used again, it is necessary to
Obtain the couveuse for more renewing.
2）Take excessive housing interior volume.Because vacuum heat-insulation plate is also needed to set towards the side of housing interior volume
Put one layer of bladder layer or one layer of layer of polyurethane is set, so as to cause the diminution of housing interior volume, cause the contracting of receiving space
Little.
3）Vacuum heat-insulating plate is coated completely with polyurethane, complex manufacturing, production efficiency are low, are unfavorable for reducing
Cost and industrialized production.
Content of the invention
The technical problems to be solved in the utility model is aimed at the not enough problem of current couveuse performance, there is provided Yi Zhongwei
Repair conveniently, the couveuse that receiving space is big and heat insulating ability is excellent.
The technical scheme that this utility model is taken is as follows：A kind of using vacuum heat-insulating plate and polyurethane as the insulation of heat-insulation layer
Case, including cabinet shell, box liner, heat-insulation layer, the heat-insulation layer includes vacuum heat-insulating plate and layer of polyurethane, the polyurethane
Layer side connects the inwall of cabinet shell, and opposite side connects the side of vacuum heat-insulating plate, the opposite side of the vacuum heat-insulating plate
At least a portion constitutes at least a portion of the internal face of box liner.
Preferably, the casing includes that lower box and case lid, the lower box and case lid include nowel body case respectively
With case lid shell, the described heat-insulation layer of the nowel body case and the setting of case lid inside the shell.
Preferably, described lower box inner bag includes the draw-in groove engaged with ice chest.
Preferably, draw-in groove is Vertical Design, 1/3-1/2 of the length for inner bag depth, ledge are T-shaped or L-type, with
Inner bag forms U-shape structure, can be engaged with the buckle of ice chest.
Preferably, the lower box inner bag arranges slot, for inserting dividing plate, slot is by two ice chest draw-in groove natural shapes
Into the height of slot is divider height 1/3-1/2.
Preferably, the plate and slot are demountable structures.
Preferably, described case lid inner bag includes the buckle agreed with ice chest.
Preferably, be multiple structure from the outside shell side of vacuum heat-insulating plate to, described layer of polyurethane, the multiple structure
In adjacent layer interconnect, along from the outside shell side of vacuum heat-insulating plate to per layer of layer of polyurethane of heat conductivity λ to be set to
Apart from the function apart from x of vacuum heat-insulating plate, λ=f（x）, then f'（x）>0, wherein f'（x）It is f（x）First order derivative.
Preferably, f''（x）>0, f''（x）It is f（x）Second derivative.
Preferably, the thickness of layer of polyurethane is S1, the heat conductivity of layer of polyurethane is λ 1, and the thickness of vacuum heat-insulating plate is
S2, the heat conductivity of vacuum heat-insulating plate is λ 2, then meet following relation：
S2/S1=a*exp (b* (2/ λ 1 of 10* λ)), wherein exp is the exponential function with the truth of a matter as Euler's numbers e, and a, b are
Coefficient, 0.015<a<0.016,1.8<b<1.9；
0.05<S2/S1<3.75；
0.06<λ2/λ1<0.3；
5mm<=S2<=30mm；
8mm<=S1<=80mm.
The beneficial effects of the utility model are：
1）This utility model using the side of vacuum heat-insulating plate as the internal face of inner bag a part, so as to by vacuum insulation
The side of plate is completely exposed in box house, so that when vacuum heat-insulating plate is damaged, which can conveniently check
Block vacuum heat-insulating plate there occurs damage, while also allowing for changing the vacuum heat-insulating plate for damaging.
2）Using the side of vacuum heat-insulating plate as the internal face of inner bag a part, reduce vacuum heat-insulating plate towards in casing
The layer of polyurethane of the side in portion or bladder layer, so that save the space of box house so that box house can accommodate more
Needs insulation object.
3）This utility model is studied to heat insulation effect caused by the heat conductivity Changing Pattern of layer of polyurethane, so as to
The rule of optimal layer of polyurethane heat conductivity change is worked out, the heat insulation effect of couveuse is improved.
4）Thickness and heat conductivity for layer of polyurethane of the present utility model and vacuum heat-insulating plate has carried out novelty
Research, so as to draw the rule relation of optimal layer of polyurethane, vacuum insulation plate thickness and heat conductivity, reach saving material
Material, improves heat insulation effect.
5）This utility model devises the ice chest of built-in type, being embedded into ice chest on inner bag surrounding and case lid,
Not only neat appearance, is more favorable to save space, convenient use, meanwhile, the encircling type distribution of ice chest has more preferable cold preservation
Effect.In addition, this utility model also there is finger, temperature to show etc. human oriented design, casing is using Shooting Technique preparation
Make product appearance more aesthetically pleasing, highlight class.
Description of the drawings
Fig. 1 is one of dimensional structure diagram of the present utility model.
Fig. 2 for dimensional structure diagram of the present utility model two.
Fig. 3 is this utility model lower box profile.
Fig. 4 is case lid profile of the present utility model.
Fig. 5 is embedded ice chest dimensional structure diagram of the present utility model.
Fig. 6 is the combination schematic diagram of this utility model ledge and inner bag.
Fig. 7 is another embodiment schematic diagram of the combination of this utility model ledge and inner bag.
Fig. 8 is the 3rd embodiment schematic diagram combined with inner bag by this utility model ledge.
Reference is as follows：Cabinet shell 11,14, box liner 13,18, dividing plate 17, vacuum heat-insulating plate 31, layer of polyurethane
32, wall of inner container 61, L-type draw-in groove 62, U-shaped septalium 63, V-type draw-in groove 64, T-shaped draw-in groove 65.
Specific embodiment
As Figure 1-5 a kind of using vacuum heat-insulating plate and polyurethane as the couveuse of heat-insulation layer, the insulation case and bag
Cabinet shell 11,14 is included, box liner 13,18, heat-insulation layer, the heat-insulation layer include vacuum heat-insulating plate 31 and layer of polyurethane 32,
Such as Fig. 3, shown in 4,32 side of the layer of polyurethane connects the inwall of cabinet shell, and opposite side connects the one of vacuum heat-insulating plate 31
Side, at least a portion of the opposite side of the vacuum heat-insulating plate 31 constitute at least of the internal face of box liner 13,18
Point.
As shown in figure 4, vacuum heat-insulating plate 31 constitutes the inwall of box liner, the one side of described ice chest 15 is abutted directly on
On the another side of vacuum heat-insulating plate 31, so that a part of the another side of vacuum heat-insulating plate 31 as inner bag.
Because arranging ice chest outside vacuum heat-insulating plate 31, therefore both are brought into tight contact with each other, and increase heat transfer, additionally, because
Smooth outside ice chest, be also not easy to scratch vacuum heat-insulating plate 31, maintain vacuum in plate, increase the service life.
Preferably, described vacuum heat-insulating plate is adopted with glass fibre as core, using alloy degasser, outside core
Portion arranges coating film, and the coating film is multilayer high-barrier composite membrane, can effectively prevent gas from penetrating into, maintain vacuum in plate,
Increase the service life.
Preferably, the casing includes that lower box and case lid, the lower box and case lid include nowel body case respectively
11 and case lid shell 14, in the nowel body case 11 and case lid shell 14, described heat-insulation layer is set.
Preferably, described lower box inner bag 13 includes the draw-in groove engaged with ice chest.
Preferably, the draw-in groove is groove.
Preferably, the draw-in groove can be dismantled.
Preferably, the ice chest engaged with draw-in groove can be dismantled.
Preferably, draw-in groove is Vertical Design, 1/3-1/2 of the length for inner bag depth.
Preferably, the ledge of draw-in groove is T-shaped, L-type or V-type, U-shape structure is formed with inner bag, can be with the card of ice chest
Button is engaged.As shown in figs 6-8.
Preferably, the lower box inner bag arranges slot, for inserting dividing plate 17, by inserting dividing plate 17 by inner bag point
For some.
Preferably, slot is by two ice chest draw-in groove self-assembling formations, the height of slot is divider height 1/3-1/2.
Preferably, the slot is demountable structure with the cooperation of dividing plate.
Preferably, described case lid inner bag includes the buckle agreed with ice chest.
Preferably, from vacuum heat-insulating plate 31 to the direction of shell, described layer of polyurethane 32 is multiple structure, described many
Adjacent layer in Rotating fields is interconnected, along from the outside shell side of vacuum heat-insulating plate to by per layer of layer of polyurethane 32 of heat conduction
Coefficient lambda is set to the function apart from x apart from vacuum heat-insulating plate, λ=f（x）, then f'（x）>0, wherein f'（x）It is f（x）Once
Derivative.
Preferably, f''（x）>0, f''（x）It is f（x）Second derivative.
This utility model has carried out grinding for novelty to heat insulation effect caused by the heat conductivity Changing Pattern of layer of polyurethane
Study carefully, so as to work out the rule of above-mentioned optimal layer of polyurethane heat conductivity change, improve the heat insulation effect of couveuse.By examination
Issue after examination and approval now, arranged by the regularity of above-mentioned layer of polyurethane heat conductivity, the heat insulation effect of 10-13% or so can be improved.
In actual applications, the thickness of heat-insulation layer can not be too thick, although heat insulation effect can be got well if too thick, can take
Substantial amounts of inner space, and find under study for action, when insulation layer thickness increases to a certain degree, although continue to increase
Thickness can also improve heat insulation effect, but the heat insulation effect for improving is not it is obvious that while the increase of thickness also results in cost
Rising, additionally, heat-insulation layer can not be too thin, too thin if heat insulation effect can be caused very poor, and find under study for action, certain
Depth information under, with the minimizing of the thickness of heat-insulation layer, heat insulation effect declines clearly, and therefore this utility model is big
On the basis of quantifier elimination, for this utility model, the relation between optimal insulation layer thickness and heat conductivity is have found.
Preferably, the thickness of layer of polyurethane is S1, the heat conductivity of layer of polyurethane is λ 1, and the thickness of vacuum heat-insulating plate is
S2, the heat conductivity of vacuum heat-insulating plate is λ 2, then meet following relation：
S2/S1=a*exp (b* (2/ λ 1 of 10* λ)), wherein exp is the exponential function with the truth of a matter as Euler's numbers e, and a, b are
Coefficient, 0.015<a<0.016,1.8<b<1.9；
0.05<S2/S1<3.75；
0.06<λ2/λ1<0.3；
5mm<=S2<=30mm；
8mm<=S1<=80mm.
Described λ 1, λ 2 is mean coefficient of heat conductivity.
Further preferably, 5 ~ 20mm of vacuum insulation plate thickness, polyurethane 20 ~ 35mm of thickness.
Preferably, vacuum heat-insulating plate, core are powdered nanoparticles granule or glass fibre, heat conductivity 0.0015-0.0060
W/(m·K).
In above-mentioned relation, optimal heat insulation effect was both can ensure that, and can guarantee that the insulation thickness of minimum again, save into
This.
Preferably, lower box inner bag is designed with the draw-in groove of setting-in ice chest in inner bag surrounding.
Preferably, cabinet shell adopts HDPE material injection mo(u)lding, it is for lifting carrying for couveuse in casing both sides
Handss 24, handle human nature employ finger and arc line shaped design, and when casing is lifted, the distance between handle and casing are more than
The thickness of general palm, the design of circular arc row also make grip feeling more comfortable.The back side is the hinge 42 linked with upper box.In casing
Front mid portion is designed with rectangle electronic digital display thermometer 21, and 0.1 DEG C of precision is in thermometer setting-in and square groove, removable
Unload.
Sealing ring 12 is prepared from by extrusion molding or mould pressing process using silica gel, on case lid inner bag is provided with sealing ring
Groove, can carry out dual-seal.
Preferably, sealing ring is dual-trench type.
Preferably, supporting ice chest 50 is prepared from through blow molding process using food stage PE, lid 51 is through Shooting Technique system
Standby form, material is provided with the buckle 52 agreed with draw-in groove, 53,54, be distributed in the both sides and bottom of ice chest.
Preferably, dividing plate 17 has food stage PP material to be prepared from through Shooting Technique, can be inserted in ice chest draw-in groove crack.
Preferably, positive stop strip 16 is prepared from nylon, totally 2, casing both sides are distributed in, one end is fixed in case lid
Gallbladder, the other end are fixed on lower box inner bag.
Which is bonded with 32 inner bag of layer of polyurethane by vacuum heat-insulating plate 31 by adhesive.
Preferably, hard polyurethane foam adopts double-component rigid foam combination material, the use of proportioning is 1:1, using foaming machine
Passed through in the space that material hole 23 is injected into inner bag and shell, under the conditions of 25 DEG C of material temperatures, rise time 25s, froth appearance
Density 35g/L, heat conductivity 0.020-0.025 W/ (m K).
The above, preferred implementation only of the present utility model, protection domain of the present utility model are simultaneously not only limited to
In above-described embodiment, all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.Should
Point out, to those of ordinary skill in the art, this reality is also considered as in any improvement without departing from this utility model principle
With new protection domain.
Claims (10)
1. a kind of using vacuum heat-insulating plate and polyurethane as the couveuse of heat-insulation layer, including cabinet shell, box liner, insulation
Layer, the heat-insulation layer include vacuum heat-insulating plate and layer of polyurethane, and the layer of polyurethane side connects the inwall of cabinet shell, another
Side connects the side of vacuum heat-insulating plate, it is characterised in that at least a portion of the opposite side of the vacuum heat-insulating plate constitutes case
At least a portion of the internal face of internal gallbladder.
2. couveuse as claimed in claim 1, it is characterised in that the casing includes lower box and case lid, the lower box
Include that nowel body case and case lid shell, the nowel body case and case lid inside the shell arrange described insulation respectively with case lid
Layer.
3. couveuse as claimed in claim 2, it is characterised in that described lower box inner bag includes the card engaged with ice chest
Groove.
4. couveuse as claimed in claim 3, it is characterised in that draw-in groove is Vertical Design, 1/3- of the length for inner bag depth
1/2, ledge is T-shaped or L-type or V-type.
5. couveuse according to claim 3, it is characterised in that the lower box inner bag arranges slot, for insertion every
Plate, by two ice chest draw-in groove self-assembling formations, the height of slot is divider height 1/3-1/2 to slot.
6. couveuse according to claim 5, it is characterised in that the plate and slot are demountable structures.
7. couveuse according to claim 3, it is characterised in that described case lid inner bag includes the card agreed with ice chest
Button.
8. couveuse according to claim 1, it is characterised in that the handle of lifting couveuse is set in casing both sides.
9. couveuse according to claim 1, it is characterised in that electronic digital display thermometer is set outside casing.
10. couveuse according to claim 9, it is characterised in that thermometer is inlaid in square groove, detachably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621039266.8U CN206013496U (en) | 2016-09-06 | 2016-09-06 | A kind of vacuum heat-insulating plate and the couveuse that polyurethane is heat-insulation layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621039266.8U CN206013496U (en) | 2016-09-06 | 2016-09-06 | A kind of vacuum heat-insulating plate and the couveuse that polyurethane is heat-insulation layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206013496U true CN206013496U (en) | 2017-03-15 |
Family
ID=58258893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621039266.8U Active CN206013496U (en) | 2016-09-06 | 2016-09-06 | A kind of vacuum heat-insulating plate and the couveuse that polyurethane is heat-insulation layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206013496U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107042953A (en) * | 2016-09-06 | 2017-08-15 | 青岛允天保温科技有限公司 | A kind of vacuum heat-insulating plate and polyurethane are the incubator of heat-insulation layer |
| CN107115046A (en) * | 2017-07-12 | 2017-09-01 | 赵魁 | A kind of take-away dispensing cartridge with dividing plate and heat insulation function |
-
2016
- 2016-09-06 CN CN201621039266.8U patent/CN206013496U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107042953A (en) * | 2016-09-06 | 2017-08-15 | 青岛允天保温科技有限公司 | A kind of vacuum heat-insulating plate and polyurethane are the incubator of heat-insulation layer |
| CN107042953B (en) * | 2016-09-06 | 2021-05-04 | 青岛允天保温科技有限公司 | Insulation can with vacuum insulation panels and polyurethane as heat preservation layers |
| CN107115046A (en) * | 2017-07-12 | 2017-09-01 | 赵魁 | A kind of take-away dispensing cartridge with dividing plate and heat insulation function |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |